Systems and methods disclosed herein enable situation awareness in immersive digital experiences. One embodiment is in the form of a method comprising: instantiating, in a first virtual reality (VR) world, a software-controlled first companion avatar that is associated with a user; instantiating, in a second VR world, a software-controlled second companion avatar that is also associated with the user; subscribing the first companion avatar to a VR-world event in the first VR world; and detecting, by the first companion avatar, an occurrence in the first VR world of the VR-world event, and responsively: notifying, via the second companion avatar, the user in the second VR world of the occurrence of the VR-world event in the first VR world.
A63F 13/533 - Controlling the output signals based on the game progress involving additional visual information provided to the game scene, e.g. by overlay to simulate a head-up display [HUD] or displaying a laser sight in a shooting game for prompting the player, e.g. by displaying a game menu
A63F 13/537 - Controlling the output signals based on the game progress involving additional visual information provided to the game scene, e.g. by overlay to simulate a head-up display [HUD] or displaying a laser sight in a shooting game using indicators, e.g. showing the condition of a game character on screen
A63F 13/58 - Controlling game characters or game objects based on the game progress by computing conditions of game characters, e.g. stamina, strength, motivation or energy level
A63F 13/79 - Game security or game management aspects involving player-related data, e.g. identities, accounts, preferences or play histories
To change anticipated outcomes for users within digital environments, a systematic approach may dynamically disrupt progress or create an augmented or diminished degree of challenge for the users. A trigger may be identified which indicates a disruption or augmentation of the users' probability of success in the environment is currently desirable. A current state of the digital environment may be determined, and a plan may be generated to, upon execution, modify a user-group's probability of success by altering the current state of the environment through disruptions, augmentations, or both. In some cases, a plurality of users may be partitioned into subgroups, where a plan for each subgroup may be distinct from other subgroups. In some cases, a plan may "teleport" a user from a first session in the digital environment to a second session, in order to affect a probability of success in one or both sessions.
A63F 13/67 - Generating or modifying game content before or while executing the game program, e.g. authoring tools specially adapted for game development or game-integrated level editor adaptively or by learning from player actions, e.g. skill level adjustment or by storing successful combat sequences for re-use
A63F 13/69 - Generating or modifying game content before or while executing the game program, e.g. authoring tools specially adapted for game development or game-integrated level editor by enabling or updating specific game elements, e.g. unlocking hidden features, items, levels or versions
A63F 13/795 - Game security or game management aspects involving player-related data, e.g. identities, accounts, preferences or play histories for providing a buddy list
3.
SYSTEM AND METHOD FOR USER TRAITS RECOGNITION AND PREDICTION BASED ON MOBILE APPLICATION USAGE BEHAVIOR
Systems and methods are described for identifying mobile application users and/or predicting characteristics of the users based on mobile application usage behavior. In an exemplary method, for a first plurality of users of an online software application, collecting a sequence of events, wherein each event represents a user interaction with the application; selecting a set of user traits, wherein: the degree to which each trait is demonstrated by a user is determinable based on the sequence of events corresponding to that user, and the set of traits is selected such that the degree to which each respective user demonstrates the selected traits is substantially unique to that respective user; and for each of a second plurality of users of the software application, storing a user profile that identifies an extent to which each of the selected traits is demonstrated by the respective user.
Systems methods, and/or devices for capturing user profile stylization during computer gameplay. A capture phase of the computer gameplay may be initiated by the user. One or more metrics reflecting a gameplay style of a player may be captured during the capture phase. The capture phase may be completed. A characterization of the gameplay during the capture phase may be input from the user. The metrics and characterization may be stored as a stylization profile.
A63F 13/798 - Game security or game management aspects involving player-related data, e.g. identities, accounts, preferences or play histories for assessing skills or for ranking players, e.g. for generating a hall of fame
A63F 13/335 - Interconnection arrangements between game servers and game devices; Interconnection arrangements between game devices; Interconnection arrangements between game servers using wide area network [WAN] connections using Internet
A63F 13/35 - Interconnection arrangements between game servers and game devices; Interconnection arrangements between game devices; Interconnection arrangements between game servers - Details of game servers
A63F 13/49 - Saving the game status; Pausing or ending the game
A63F 13/533 - Controlling the output signals based on the game progress involving additional visual information provided to the game scene, e.g. by overlay to simulate a head-up display [HUD] or displaying a laser sight in a shooting game for prompting the player, e.g. by displaying a game menu
Methods and apparatuses for metadata based routing and establishing weak sessions in a content routing network are described herein. A client application, ingress content router, or a serving content router may enter a default flow entry in a flow table to catch Information Centric Networking (ICN) requests. A local application may create a socket to listen on a port. When a packet of an unknown message is received, the packet may be matched to the default flow entry, and an indication may be sent to the local application that the packet was received. The local application may then determine whether the metadata in the received packet enables a routing decision, which may include determining whether enough payload of the message was received. If the routing decision is enabled, the appropriate routing decision may be determined based on metadata in the received packet, and the packet may then be routed.
Systems, methods, and instrumentalities are disclosed for managing multi-level privacy protection. A first template relating to a first service provider and a second template relating to a second service provider may be received. The first template may include a first and second privacy level, and the second template may include a third and fourth privacy level. Respective privacy levels are associated with respective levels of privacy to maintain for user information. A respective service that is available or that is not available is determined for the respective privacy levels. An indication of the respective service that is available or that is not available for the respective privacy levels is provided. An indication of a respective privacy level to use for a respective service provider is received, and a user interaction with the respective service provider is coordinated. The indicated respective privacy level associated with the respective service provider is maintained.
Methods and systems are provided for improving the effectiveness of user retention in games and applications. Defining and collecting micro-attributes from user behavior events, analyzing the micro-attributes from a selected group of users on one or more tasks or subtasks, and generating one or more models for assessing a proficiency level of a user based on the micro-attributes from the selected group is provided. Assessing a proficiency level of an individual user may comprise assessing one or more proficiency indicators, each proficiency indicator representing one or more of a score, ranking, or classification of one or more of the micro-attributes.
Systems, apparatus and methods for dynamically providing one or more selected portions of a game stream is disclosed. One representative method includes: determining, by a processor, one or more in-game contextually relevant metrics associated with a game stream of interest and/or a game user of the game stream of interest; selecting, by the processor, at least one other game stream relevant to the game stream of interest or the game user of the game stream of interest; and presenting on a display, one or more portions of the selected game stream or streams based on the in-game contextually relevant metrics.
Methods and systems to allow multiple independently developed service functions to cooperate and offer service actions to users and devices dynamically, incrementally, and efficiently. The methods and systems may be deployed to distributed internet of things (IoT) environments. Embodiments support dynamic creation of contexts of interests (CoIs) based on combinations of real-time event patterns, user behavior metrics, activities, and environment conditions. The CoI creation, detection and service action control executions are decoupled from the service function creation and execution. Each application and service may insert new service action to the action list to invoke remote execution of service functions dynamically. The decoupled detection, action control and service functions execution, reduce the duplicated design and processing efforts. In addition, coordination of actions at the moments of engagements defined by shared CoIs create opportunities for multiple service providers to offer bundled services cooperatively and incrementally while minimize resource conflicts and service disruption.
Methods and systems may be used automated profiling and context dependent cooperative Internet of Things (IoT) management operations. Sensor data may be received from a plurality of devices, arranged into states, and categorized to generate a plurality of behavior categories. State transitions of the sensor data may be detected to generate state transition events. Interdependencies between the states and the state transition events may be analyzed using sets of event pattern detection rules. Actionable event patterns (AEPs) may be created and run based at least on the states and the state transition events to detect combinations of behavior patterns. Control actions and/or alerts may be sent to devices/users based on the detected combinations of behavior pattern. An interdependency graph (IDG) may be generated and/or displayed to users to represent the interdependencies between the states and the state transition events.
Systems, devices, and methods for managing an actionable event pattern (AEP) based on feedback are provided. A management system may receive event data from a plurality of users on a real-time basis, classify multiple users into a metric group on a dynamic real-time basis based on behavior parameters and specific states of each user; conduct a controlled experiment on the multiple users of the metric group on a real-time basis based on an AEP configuration of an AEP matched to the metric group, including assigning users of the metric group to one of a control group and an experiment group; collect and analyze feedback measurements from the users of the control group and the experiment group to assess improvement between the control group and the experiment group; adjust the AEP configuration based on the assessed improvement; and store the adjusted AEP configuration.
Current approaches to multi-factor authentication lack scalability, among other capabilities and efficiencies. Described herein are methods, devices, and systems that provide for robust and scalable multi-factor authentication using a combination of network-based and device-based authentications. In an example embodiment, a common policy framework enables policy enforcements to be carried out in the network or on the device. As described below, the framework may provide synchronization of policies and authentication results between a network entity and an entity on a user device.
Methods and systems are disclosed herein to provide real-time shadowing service architectures and workflows to support dynamic event pattern parameter configuration, collection, filtering, learning, and profiling for users of one or more interactive platforms. The real-time shadowing service may receive a subset of application specific tags, generate tag values for the tags in the subset based on user behavior, and report the values for the tags in the subset. Further, the real-time shadowing service may collect data based on a list of tags for an engagement level related parameter vector (E.V.) and a competence level related parameter vector (C.V.). Further, the real-time shadowing service may map E.V. and C.V. for an event of interest (EoI) to an engagement level (E.L.) and competence level (C.L.) based on a model. The real-time shadowing service may also generate alerts based on detection rules, E.L. and C.L., and transmit the alerts.
Reverse auction methods and systems are disclosed herein and include fast multi-round auction methods and services to pervasive mobile applications, supporting mobile users in a location sensitive environment. A buyer agent, on behalf of a buyer, may generate a reverse auction request and then monitor auction rounds of an auction initiated based on the request. The buyer agent may terminate the reverse auction upon the auction reaching a maximal round or terminal condition, or executing an optimization policy. The optimization policy may include local optimization. The local optimization may be based on the location of a buyer and seller in a small cell network (SCN). A seller agent may calculate a bidding price based on a seller's acceptable price range and an available time window. The seller agent may determine a time to stop bidding based on bidding price rules. An auction service may select N sellers for each buyer.
Embodiments for sharing a web session with privacy protected content with a between a primary user and a secondary user is described. A request may be transmitted to a service server by the primary user. The request may include a command to create a shared session to share portions of a web session with the secondary user and a first uniform resource locator (URL) corresponding with the web session to be shared. The primary user may mark content of the webpage as privacy protected content, which may not be shared with the secondary user. The privacy protected content may be replaced by content targeted to the secondary user during the shared session. The parameters and marked content may be transmitted to the service server. The primary user may receive a second URL for the shared session and may transmit it to the secondary user.
A method and system for event pattern (EP) guided content services are disclosed. A service entity may identify content creator candidates based on a pattern of events which correspond to sensor events received from a requesting entity, and the service entity may select a content creator among the content creator candidates based on a best match to the pattern of events. The service entity may transmit a request for content to the selected content creator, such that the request for content is automatically generated in response to the pattern of events. The service entity may deliver the content to the requesting entity and may monitor progress of the requesting entity based on a playback of the content by the requesting entity.
Methods and apparatuses are described herein to identify the anonymous events which may belong to the same customer by providing inter-event virtual linkage sequence to link anonymous behavior data from multiple independent sessions. The behavior data may be encrypted without tracking or storing all other types of data such as contact information. An anonymous user may be identified and categorized based on rhythms of predictive behavior pattern sequences by extracting signatures the rhythms to provide fast content based search to identify one or more similar behavior event patterns from a set of data. The signatures may include multiple time series vectors, which may be matched to unique patterns. Personalized services may be offered to anonymous offer pools and may be based on event patterns categories defined and detected by customized rules. The application or game may use the data collection inter-session virtual link to pull the service offer.
A method and apparatus for dynamic adjustment of user profiles for a bundled application is disclosed. Multi-dimensional characteristic attributes of a plurality of players may be tracked and utilized to improve player experience, player retention, and detect abnormal behavior in game play. Player performance and interest may be assessed in real-time. Game independent characteristic attributes are defined for player profiles and are used to adjust a player's experience or preference level based on gaming results such as win-loss scores. Characteristic weights for a player's characteristic attributes are also defined. Methods and apparatus to select game sessions and players with similar interests or experiences are also disclosed. Methods for detecting abnormal patterns in game session behavior are also disclosed. Methods and apparatus for allowing users to opt out of the calibrations process are also disclosed.
Methods and apparatuses are configured for advanced flow routing. A communication device may be configured with a plurality of network interfaces each configured to access a respective network. An application may make a socket call for an IP flow to a socket application programming interface (API). An intercept function may intercept the socket call and may select a network interface for the IP flow in accordance with policy-based routing rules and based on at least one of: IP flow characteristics and routing policy information, where the IP flow characteristics may include at least one of: an application name and a destination domain name. If the IP flow matches at least one of the policy-based routing rules, the intercept function may invoke the socket call and the Transmission Control Protocol/Internet Protocol (TCP/IP) stack may route traffic for the IP flow to the network interface selected by the intercept function.
Detection and/or remediation of application user experience issues by detecting and/or correcting only network level QoS or QoE problems that affect user performance on a specific task or for a specific category of user, triggering remedial actions based on past experience of the effectiveness of the remedial action to a specific performance indicator, where the remedial actions may be sponsored by third parties, and/or providing remedial actions to maintain user performance and/or satisfaction beyond QoS parameter adjustment.
Personalized interrupt mechanism for users of computing devices where users may specify when and how they choose to be interrupted by mobile applications, games, in-app and in-game events, email, text, and other notifications based on application context and user preference. In some implementations, criteria for interruptions may be refined using machine learning techniques.
The disclosure pertains to methods and apparatus for identifying patterns that occur in game play of online games or consumption of other online services, such as massively multiplayer online role playing games (MMORPGs), that tend to lead to a person abandoning the game or service, detecting the occurrence of such patterns during play or consumption, and taking remedial actions to incentivize continued playing of the game or consumption of the service. The patterns may comprise one or a combination of game play events (e.g., losing a game or the players avatar dying) and network events (e.g., jitter).
A63F 13/358 - Adapting the game course according to the network or server load, e.g. for reducing latency due to different connection speeds between clients
A63F 13/79 - Game security or game management aspects involving player-related data, e.g. identities, accounts, preferences or play histories
Splitting data in a wireless communications network. Data may be split to use multiple base stations for transmission to user equipment in order to improve the bandwith if a UE is on a cell edge, or may be split by user equipment for transmission to multiple base stations in order to improve handover. Data splitting may be performed at the Packet Data Convergence Protocol layer, at the Radio Link Control layer, or at the Media Access Control layer on user equipment or on a base station. Data may instead be split in a network node, such as in a serving gateway, in order to reduce X2 interface load or delay carrier aggregation.
Methods and apparatus are described for providing compatible mapping for baekhaul control channels, frequency first mapping of control channel elements (CCEs) to avoid relay- physical control format indicator channel (R-PCFICH) and a tree based relay resource allocation to minimize the resource allocation map bits. Methods and apparatus (e.g., relay node (RN devolved Node-B (eNB)) for mapping of the Un downlink (DL) control signals, Un DL positive acknowledgement ( ACK)/negative acknowledgement (NACK), and/or relay-physical downlink control channel (R-PDCCH) (or similar) in the eNB to RN (Un interface) DL direction are described. This includes time/frequency mapping of above-mentioned control signals into resource blocks (RBs) of multimedia broadcast multicast services (MFJMS) single frequency network (MBSFN)-reserved sub-frames in the RN cell and encoding procedures for these. Also described are methods and apparatus for optimizing signaling overheads by avoiding R-PCFICH and minimizing bits needs for resource allocation.
A method and apparatus for performing closed loop transmit power control of a fractional dedicated physical channel (F-DPCH) are disclosed. Transmit power control (TPC) symbols on an F-DPCH and common pilot channel (CPICH) symbols are received. A short term signal power estimate is calculated using the TPC symbols, and a short term noise power estimate is calculated using the CPICH symbols. A short term signal-to-interference ratio (SIR) on the F-DPCH is calculated. A long term signal power estimate and a long term noise power estimate are calculated using the TPC symbols. A long term SIR is calculated and compared to a TPC quality target. An SIR target is adjusted based on comparison of the long term SIR to the TPC quality target. The short term SIR is compared to the SIR target and a TPC command is generated based on comparison of the short term SIR to the SIR target.
A method and apparatus for performing closed loop transmit power control of a fractional dedicated physical channel (F-DPCH) are disclosed. Transmit power control (TPC) symbols on an F-DPCH and common pilot channel (CPICH) symbols are received. A short term signal power estimate is calculated using the TPC symbols, and a short term noise power estimate is calculated using the CPICH symbols. A short term signal-to-interference ratio (SIR) on the F-DPCH is calculated. A long term signal power estimate and a long term noise power estimate are calculated using the TPC symbols. A long term SIR is calculated and compared to a TPC quality target. An SIR target is adjusted based on comparison of the long term SIR to the TPC quality target. The short term SIR is compared to the SIR target and a TPC command is generated based on comparison of the short term SIR to the SIR target.
A method and apparatus for reference transport channel (TrCH) selection includes tracking characteristics on each TrCH. Whether or not any TrCHs meet a predetermined criteria is determined. A reference TrCH is selected based upon the determination of TrCHs that meet the predetermined criteria.
A method and apparatus for cooperation in wireless communications. Cooperation is considered among a number of network elements, including at least one wireless transmit-receive unit, at least one relay station, and at least one base station.
A method and apparatus for combined medium access control (MAC) and radio link control (RLC) processing are disclosed. For uplink processing, a combined MAC/RLC (CMR) entity generates an SDU descriptor and allocates protocol data unit (PDU) descriptor resources. A protocol engine (PE) populates a PDU descriptor for each PDU carrying at least a portion of the SDU and generates a MAC PDU in a physical layer shared memory based on the SDU descriptor and the PDU descriptor. The MAC PDU is generated while moving RLC SDU data from the bulk memory to the physical layer shared memory. For downlink processing, received MAC PDUs are stored in the physical layer shared memory. The PE reads MAC and RLC headers in the MAC PDU and populates an SDU segment descriptor (SD) and corresponding PDU descriptors for each SDU segment. The CMR entity merges SDU SDs that comprise a same RLC SDU.
A radio interface layer media independent handover (RIL MIH) client (610) functionality enables transparent inter-system handover of a wireless transmit/receive unit (WTRU) between different radio access technologies (RATs), without user intervention. The RIL MIH client interacts with RIL drivers (630, 635) and proxies (605), informs the RIL proxies of the handover status, then the proxies interact with a new driver in use. A WTRU is modified to add MIH functionality to a telephony server to support inter-system handover.
A method and apparatus for optimization of a modem for high data rate applications comprise a plurality of hardware accelerators which are configured to perform data processing functions, wherein the hardware accelerators are parameterized, a processor is configured to selectively activate accelerators according to the desired function to conserve power requirements and a shared memory configured for communication between the plurality of hardware accelerators.
The present invention is related to a wireless communication system. 3G UMTS mobile phone systems rely on a protected smart card called the UMTS integrated circuit card (UICC) that provides UMTS subscriber identity module (USIM) applications as a basis or root of various security measures protecting the communication path between the 3G mobile terminal and the UMTS wireless network (or UTRAN). Disclosed is a method by which the UICC exchanges information with a terminal, such as an Internal Key Center (IKC 1250) and a Bootstrapping Server Function (BSF 1270) enables a procedure where multiple local keys specific to applications and Network Application Functions (NAFs) (Ks_local) are used for authentication and to encrypt and decrypt messages.
A mobile trusted platform (MTP) configured to provide virtual subscriber identify module (vSIM) services is disclosed. In one embodiment, the MTP includes: a device manufacturer- trusted subsystem (TSS-DM) configured to store and provide credentials related to a manufacturer of the MTP; a mobile network operator - trusted subsystem (MNO-TSS) configured to store and provide credentials related to a mobile network operator (MNO); and a device user/owner - trusted subsystem (TSS-DO/TSS-U) configured to store and provide credentials related to user of the MTP. The TSS-MNO includes a vSIM core services unit, configured to store, provide and process credential information relating to the MNO. The TSS-DO/TSS-U includes a vSIM management unit, configured to store, provide and process credential information relating to the user/owner of the MTP. The TSS-DO/TSS-U and the TSS-MNO communicate through a trusted vSIM service.
Apparatus for bi-directional handover are disclosed. An apparatus configured to perform handover from a wireless code division multiple access (WCDMA) to a wireless broadband (WiBro) network is disclosed. An apparatus configured to perform handover from a WCDMA network to a WiFi (IEEE 802.11x) network is disclosed. An apparatus configured to perform handover from a WiFi network to a WCDMA network is disclosed.
A method and apparatus for No-TX mode for a wireless transmit/receive unit (WTRU) and Node B that suspends the transmission of power control updates and associated signaling over dedicated uplink and downlink channels. Triggers and signals between the WTRU and Node B activate and disable No-TX mode. A radio link is re-established to resume data transmission when No-TX mode is disabled, and data may also be transmitted during defined transmission opportunities while in No-TX mode.
A wireless communication method and apparatus for creating a codebook in a multiple input/multiple output (MIMO) wireless communication system are disclosed. The method includes adapting a single user codebook, wherein the single user codebook comprises a plurality single user beamforming vectors, into a multi-user codebook, wherein the multi-user codebook comprises a plurality of multi-user beamforming vectors. The method further includes grouping the codebook into a plurality of unitary matrices, selecting a plurality of beamforming vectors from the plurality of unitary matrices, forming a rank specific code-book from the beamforming vectors and the unitary matrices, and selecting a subset of a total number of pairs to form the plurality of unitary matrices.
H04B 7/04 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
37.
METHOD AND APPARATUS FOR REDUCING SIGNALING OVERHEAD DURING A DUAL CODEWORD HYBRID AUTOMATIC REPEAT REQUEST OPERATION
A method and an apparatus for reducing overhead in signaling for downlink dual codewords in a wireless transmit receive unit (WTRU) with spatial multiplexing are disclosed. The method includes signaling a number of codewords to be used, signaling modulation scheme coding, reducing overhead for signaling of transport block size (TBS), and/or reducing overhead for signaling associated with error correction.
A wireless communication method and apparatus for encoding and decoding beamforming vectors are disclosed. A base station sends explicit signaling for a beamforming vector of a wireless transmit/receive unit (WTRU) and implicit signaling for beamforming vectors of interfering WTRUs. Each WTRU uses its own beam forming vector to estimate the beamforming vectors of each of the other WTRUs.
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
39.
METHOD AND APPARATUS TO IMPLEMENT NON-ACCESS STRATUM (MAS) SECURITY IN A LONG TERM EVOLUTION WIRELESS DEVICE
A wireless transmit receive unit (WTRU) is configured to receive unciphered and ciphered messages. The unciphered messages include identity requests, authentication requests, non-access stratum (NAS) security mode commands and tracking area update responses. The ciphered messages may come from the NAS and a Radio Resource Controller (RRC). The messages are ciphered using security keys.
The application discloses techniques for determining where to locate and how to fit the duplicate detection functionality within the PDCP architecture as well as determining when to activate or deactivate various PDCP functions, such as the PDCP reordering function. These mechanisms can be implemented in wireless devices such as a WTRU, or in any wireless network nodes.
A method for reporting mobile internet protocol (MIP) capabilities of a wireless transmit/receive unit (WTRU) includes the WTRU transmitting a first message, including network MIP capability of the WTRU, the WTRU transmitting a second message including radio MIP capability of the WTRU, and the WTRU receiving a third message including network MIP availability.
A method and apparatus for session continuity using pre-registration tunneling procedure are disclosed. For session continuity, a tunnel is established between a multi-mode wireless transmit/receive unit (WTRU) and a core network of a target system via a source system while the WTRU is still connected with the source system. An access procedure is performed toward the target system using the tunnel. A handover is the performed from the source system to the target system once the access procedure is complete. The access procedure includes session initiation protocol (SIP) registration, authentication of the WTRU at the target system, and internet protocol (IP) configuration. The handover may be from a third generation partnership project (3GPP) system to a non-3GPP system, or vice versa.
A method and apparatus for optimizing mobility management procedures comprises establishing a tunnel between a wireless transmit/receive unit (WTRU) and a target system core network (CN). The WTRU is handed over from a source system CN system to the target system CN.
A method and apparatus for performing Joint Randomness Not Shared by Others (JRNSO) is disclosed. In one embodiment, JRNSO is determined in Frequency Division Duplex (FDD) using a baseband signal loop back and private pilots. In another embodiment, JRNSO is determined in Time Division Duplex (TDD) using a baseband signal loop back and combinations of private pilots, private gain functions and Kalman filtering directional processing. In one example, the FDD and TDD JRSNO embodiments are performed in Single-Input-Single-Output (SISO) and Single-Input-Multiple-Output (SIMO) communications. In other examples, the FDD and TDD embodiments are performed in Multiple-Input-Multiple-Output (MIMO) and Multiple-Input-Single-Output (MISO) communications. JRNSO is determined by reducing MIMO and MISO communications to SISO or SIMO communications. JRNSO is also determined using determinants of MIMO channel products. Channel restrictions are removed by exploiting symmetric properties of matrix products.
A method and apparatus for resource management during handover operation includes initiating a handover from a first access network to a second access network. A policy update message is sent and a policy update confirmation message is received. A general packet radio service (GPRS) tunneling protocol (GTP) message and a radio access bearer (RAB) release message is sent and a GTP and RAB release acknowledgment is received. Connectivity is established for uplink and downlink transmission in the second access network.
A method and apparatus for performing inter-radio access technology (RAT) measurements includes receiving a long term evolution (LTE) measurement quantity. A measurement gap is received. Measurements for available global system for mobile communication (GSM) cells are performed, and the measurement results are reported.
A method of operating a wireless transmit receive unit (WTRU) and a WTRU configured to receive a radio link control (RLC)/ a medium access control (MAC) header. The header is coded for reduced transmission time interval (RTTI) operation. The header includes a 16-bit cyclic redundancy check (CRC) of an RLC/MAC payload associated with the RLC/MAC header.
A method and apparatus for supporting inter-frequency and inter-radio access technology (inter-RAT) handover are disclosed. A network provides measurement gap parameters for configuring a measurement gap to a wireless transmit/receive unit (WTRU). The WTRU then performs a measurement based on the measurement gap parameters. Such measurement includes inter-frequency frequency division duplex (FDD) measurements, inter-RAT global standard for mobile communication (GSM) measurements, and inter-RAT universal mobile telecommunication system (UMTS) measurements.
A method for performing cell reselection first determines a current cell selection quality value. The cell selection quality value is compared to a predetermined threshold. Measurements of neighboring cells are taken if the cell selection quality value is less than or equal to the predetermined threshold. Measurements can be taken of intra-frequency cells, inter-frequency cells, and inter-radio access technology cells. If a neighboring cell is found that is better than the current cell based on the measurements, then the better neighbor cell is reselected to.
A method and apparatus for constraining power amplifier (PA) imbalance includes using a constant modulus (CM) criterion to ensure PA balance whe using differential feedback. An approach of combined differential and non- differential feedback is considered.
H04L 25/03 - Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
H04B 7/04 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
A method and an apparatus are provided for efficient transmission of low-data-rate packet services in a multiple-input multiple-output (MIMO) mode of operations in the presence of high-data-rate packet services. Precoding weight information (PWI) is signaled implicitly to a wireless transmit receive unit (WTRU). A precoding weight vector is signaled in a high speed shared control channel less (HS-SCCH-less) transmission using a new HS-SCCH type P. This explicit PWI signaling approach transmits the PWI with minimum power overhead. The data carried in the HS-SCCH type P is encoded to minimize the required transmitted power. A channel type HS-SCCH type 2M is also described.
A method of operating a wireless transmit receive unit (WTRU) and a WTRU configured to receive a radio link control (RLC)/ a medium access control (MAC) header. The header is coded for reduced transmission time interval (RTTI) operation. The header includes a 16-bit cyclic redundancy check (CRC) of an RLC/MAC payload associated with the RLC/MAC header.
A method and apparatus for measurement reporting and event-triggered periodic measurement reporting in an evolved universal terrestrial radio access network (E-UTRAN) are disclosed. A wireless transmit/receive unit (WTRU) monitors cell-specific reference signals from a serving cell and neighbor cells to detect a reporting event defined for the E-UTRAN. Once a reporting event is detected, the WTRU sends a measurement report to the network. The measurement quantity may be a reference signal received quality (RSRQ). After detection of the reporting event, the WTRU may send event-triggered measurement reports periodically. The WTRU may send a scheduling request to the network for the event-triggered periodic measurement reports. The WTRU may send a termination indication if the event-triggered periodic measurement reports are terminated before a configured number of times. The WTRU may send an extension request if a specified number of periodic reporting has been sent but more reports still need to be sent.
A method and apparatus generates a codebook and associated scheduling and control signaling. A plurality of channel combinations is generated for a plurality of wireless transmit receive units (WTRUs). The channel for each WTRU is quantized based on the WTRU codebook. A codebook for beamforming is generated for a plurality of WTRUs. The codebook includes a plurality of beamforming matrices. All possible beamforming matrices may be computed and the codebook may be quantized.
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
55.
METHOD AND APPARATUS FOR PROVIDING CELL INFORMATION LIST FOR NON-3GPP CAPABLE USER EQUIPMENT OPERATING IN A 3GPP NETWORK AND SUPPORTING LAYER-2 BASED HANDOFF FROM A UTRAN SYSTEM TO A NON-3GPP SYSTEM
Method and apparatus providing cell information list for non-third generation partnership project (3GPP) capable wireless transmitter/receiver unit (WTRU) operating in a 3GPP network, which camps on a 3GPP channel to obtain information of at least one network available in the cell. The WTRU may request a list having at least one of a trusted IEEE 802.11 network, a non-trusted IEEE 802.11 network, a trusted WiMAX network, and a fixed broadband network. In an inter radio access technology (RAT) procedure for an inter-RAT handover, a list of available systems and at least one of intra-frequency, inter-frequency, and inter-radio access technology (RAT) cells is received and stored while the WTRU is engaged in a call. While moving, the WTRU detects and performs radio frequency (RF) measurements on target cells and systems and reports inter-RAT handover information. Upon receipt of a command, the WTRU initiates a handover, followed by a complete message.
A method and apparatus for providing capability information and core network information to support interworking between a third generation partnership project (3GPP) network and a non-3GPP network are disclosed. A user equipment (UE) sends UE capability information pertaining to the non-3GPP network such as IEEE 802.11 interworking wireless local area network (I-WLAN), an IEEE 802.16 WiMAX network, a fixed broadband network, etc. to a 3GPP network. The 3GPP network may send core network information pertaining to the non-3GPP networks to the UE.
A method and apparatus for sequential measurement reporting in media independent handover communications are disclosed. In a first embodiment a measurement time field is added to existing IEEE 802.21 measurement report messages. In a second embodiment a measurement sequence number field is added to existing IEEE 802.21 measurement report messages. Optionally, the measurement time field, or sequence number field may be included in an IEEE 802.21 message.
A method and apparatus for indicating a temporary block flow (TBF) to which a piggybacked acknowledgement/non-acknowledgement (PAN) field is addressed are disclosed. A sequence may be generated from a temporary flow identity (TFI) to which the PAN field is addressed and masked with a PAN check sequence (PCS). A radio block including a PAN field and a masked PCS is transmitted. The PCS may be masked with one of TFIs which is selected in accordance with a rule pre-agreed. A secondary identifier may indicate a TBF to which the PAN field is addressed. A special value may be used to represent all TBFs assigned and a secondary identifier may indicate a TBF to which the PAN field is addressed. A special value on the PAN field may be used for control purposes for indicating an action affecting a group of receiving stations listening to the radio block.
H04L 1/16 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
59.
HETEROGENEOUS NETWORK HANDOVER-SUPPORT MECHANISM USING MEDIA INDEPENDENT HANDOVER (MIH) FUNCTIONS
Methods and mechanisms enhance heterogeneous media independent handover (MIH) between different link layer technologies. Embodiments include using an MIH proxy entity, MIH capable network controller, and an MIH server. Enhancements are made to the query phase, preparation phase, execution phase and completion phase by including required information regarding the reservation of resources in a target network in MIH messages.
A method and apparatus for feedback in a wireless transmit receive unit (WTRU) includes transmitting feedback over an aggregate of predefined control channel elements (CCEs) wherein the feedback is one of a channel quality indicator (CQI), a precoding matrix index (PMI) or a rank index.
A detailed QoS parameter mapping of 3GPP QoS parameters to IEEE 802.21 MIH link QoS parameters. The detailed mapping includes an IEEE 802.21 Supported Number of Class of Service (CoS) parameter to indicate supported 3GPP QoS classes (conversational, streaming, interactive, and background). IEEE 802.21 MIH capable networks may use the detailed mapping to improve access-independent mobility management. A wireless transmit/receive unit (WTRU), an access point, and other network infrastructure capable of performing the detailed QoS parameter mapping are also disclosed.
A method and apparatus for operating a wireless transmit receive unit (WTRU) in basic transmission time interval (BTTI) and reduced transmission time interval (RTTI) mode includes a WTRU in RTTI mode and a WTRU in BTTI mode receiving a plurality of coded radio blocks, the WTRU in RTTI mode decoding all of the plurality of coded radio blocks and the WTRU is in BTTI mode decoding a portion of the plurality of coded radio blocks.
A method and apparatus for channel coding and rate matching of the Physical Uplink Control Channel (PUCCH) and the Physical Downlink Control Channel (PDCCH) is disclosed that uses convolutional encoding to code the control channels. Rate matching is performed using a circular buffer based rate matching algorithm. A rate matching module may contain a single interleaver or may alternatively comprise a plurality of sub-block interleavers. Interleaved coded bits may be stored in the circular buffer in an interlaced format, or output streams from separate sub-block interleavers may be stored contiguously. When a plurality of sub-block interleavers are used, different interleaving patterns may be used. Rate matching may use bit puncturing or repetition to match the rate of the available physical channel resource. Rate matched output bits may be interleaved using a channel interleaver.
A method for radio resource control (RRC) messaging. The messaging includes transmitting a RRC message comprising a plurality of commands, initiating procedures in response to each of the commands. After determining wheather each of the procedures completed successfully, a return message is transmitted comprising an information element (IE) that represents a failed or partially failed condition, in response to the determination.
Media Independent Handover (MIH) messages are mapped into DIAMETER messages and communicated with peer MIH entities using DIAMETER. Local MIH messages may also be communicated using DIAMETER. In one embodiment, IEEE 802.21 MIH messages are mapped into DIAMETER messages. IEEE 802.21 information elements (IEs) are transported over DIAMETER as attribute value pairs (AVPs). New DIAMETER Command Codes and Command flags may be defined to indicate message type. Secure IP based transport and discovery and capability negotiation may be performed using MIH over DIAMETER.
Media independent handover (MIH) measurement and reporting in wireless communications. A periodicity for measurement and reporting is set on the MIH function through an MIH protocol message or an MIH_SAP primitive and on the link layer device through an MIH_LINK_SAP primitive. A new MIH-SAP primitive, MIH protocol message or MIH_LINK_SAP primitive is added to configure the periodicity. A new information element (IE) field for measurement reporting period may be added.
A method and apparatus of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator are disclosed. A combined field of a PANI bit, a relative reserved block period (RRBP) bit and an EGPRS supplementary polling (ES/P) field may indicate a polling scheme and a presence of a PAN field. Alternatively, the presence of the PAN field in the data block may be indicated by using a specific training sequence. Alternatively, a forward error correction (FEC) coding may be performed on the data block including the header, and the presence of the PAN field may be indicated by scrambling the encoded bits corresponding the header with a specific scrambling sequence. Alternatively, a header check sequence (HCS) may be generated and the presence of the PAN field is indicated by mixing a predetermined sequence with the HCS.
H04L 1/16 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
A wireless communication device is configured as an in-home node-B (H(e)NB). The H(e)NB is configured to perform a locking function to control modification of carrier and user controlled parameters, and also configured to detect a change in location.
A method of feedback in a wireless transmit receive unit includes providing a precoding matrix index (PMI), error checking the (PMI) to produce an error check (EC) bit, coding the PMI and the EC bit and transmitting the coded PMI and EC bit.
A method and apparatus of reducing interference in space frequency block coding (SFBC) communication are disclosed. SFBC encoding is performed on at least one pair of symbols. The symbols are assigned to subcarriers in accordance with a frequency assignment pattern assigned to a cell. Different frequency assignment patterns are assigned to neighboring cells. Cells in the network may be divided into a plurality of groups and a different frequency assignment pattern may be assigned to each group of cells. The frequency assignment pattern may be defined such that subcarriers mapped to a pair of symbols in one cell are interlaced to subcarriers mapped to a pair of symbols in a neighbor cell. Alternatively, the frequency assignment pattern may be defined such that subcarriers mapped to a pair of symbols in one cell are shifted in a neighbor cell.
A method and apparatus for providing wireless communication services, (e.g., multimedia broadcast multicast services (MBMS)), are disclosed. A wireless transmit/receive unit (WTRU) detects a plurality of target cell evolved Node-Bs (eNodeBs) that neighbor a serving cell eNodeB. The WTRU evaluates cell reselection criteria and determines a neighboring target cell eNodeB to reselect. The WTRU receives and reads master information block (MIB) and system information messages of the neighboring target cell eNodeB, and confirms that the determined neighboring target cell eNodeB is not part of a multimedia broadcast single frequency network (MBSFN). The WTRU identifies the neighboring target cell eNodeB to the serving cell eNodeB. The WTRU then receives and reads MIB messages of the neighboring target cell eNodeB again to determine whether the system information has changed and, if so, the WTRU reads the system information and reselects to the neighboring target cell eNodeB, which provides the wireless communication services.
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
72.
MOBILITY PROCEDURES AND DIFFERENTIATED CHARGING IN HOME NODE-BS
A method and apparatus for implementing Idle and Connected Mode mobility to and from a Home evolved Node-B (HNB) in a wireless environment. Methods to implement differentiated charging when accessing HNBs, as well as the criteria used to make a cell reselection decision when an HNB is detected, criteria for making a handoff decision and methods to indicate charging and other policies/preferences and configurations to a wireless transmit/receive unit (WTRU).
A method and apparatus for handling cell reselections and transitions includes executing a cell reselection. A medium access control (MAC) -ehs reset is performed. In an embodiment, cell reselection is performed while waiting for a cell update confirm message. Undergoing a Radio link failure. Clearing an HS_DSCH_RECEPTION_OF_CCCH_ENABLED Variable (or set it to TRUE/FALSE). Transition between states and support of HSDPA (Release 7 of 3GPP).
A secondary synchronization channel (S-SCH) for E-UTRA downlink is applied to any orthogonal frequency division multiple access (OFDMA) based system to reduce interference on S-SCHs among sectors of the same Node-B in an evolved universal terrestrial radio access (E-UTRA) system.
An apparatus and method makes a decision whether or not to handover a wireless transmit-receive unit to a new network in a wireless or fixed network communication system. In a specific embodiment, a media-independent handover application server, operating according to IEEE 802.21 protocol, exchanges information with a server by using a Third Generation Partnership Project standardized interface. The method allows for an IMS based handover server to extract user preference and subscription information from a subscription server. The improvement allows new kinds of information to be exchanged between the handover and subscription server for optimized handover decisions.
A method and apparatus for providing and utilizing radio link control (RLC) and medium access control (MAC) packet delivery notification are disclosed. A MAC entity tracks a delivery status of a MAC protocol data unit (PDU) and sends MAC service data unit (SDU) delivery notification to an RLC entity and/or an upper layer upon occurrence of a triggering event. The triggering event may be expiration of a timer, a packet discard decision, MAC reset, MAC re-establishment, or a request from the upper layer. The RLC entity may also track a delivery status of an RLC service data unit (SDU) and send RLC delivery notification to the upper layer. An upper layer including a header compression entity may adjust a header compression parameter based on the RLC delivery notification or the MAC delivery notification. The RLC delivery notification may be used for lossless handover. Retransmission may be performed at the upper layer based on the RLC delivery notification or the MAC delivery notification.
A method and apparatus for active mode discontinuous reception (DRX) synchronization and resynchronization operation are disclosed. A first entity sends a DRX indicator to a second entity. The first and second entities synchronize and resynchronize DRX operation based on the DRX indicator.
A method and a wireless transmit/receive unit (WTRU) (600), including a universal subscriber identity module (USIM) (625), for identifying a closed subscriber group (CSG) cell are disclosed. The WTRU (600) receives a broadcast from a cell including a cell identifier (ID). If the cell ID is associated with a CSG cell, the WTRU (600) determines whether the CSG ID is programmed in the USIM (625). The cell broadcast may include a single bit information element (IE) indicating that the cell is a CSG cell. If the cell ID is a CSG ID, the cell ID may further include a plurality of fields which indicate at least one of a country, a region, an operator, and a home evolved Node-B (HeNB) number. The cell broadcast may further include a bit indicating whether the CSG cell is public or private. The cell broadcast may further include a bit indicating that emergency calls are allowed from all users.
A WTRU configured to receive a multicast, a unicast or mixed signal. A multimedia signal may be a Multimedia Broadcast Multicast Signal (MBMS). The WTRU switches between an MBMS and a mixed signal and determines optimal time to switch between the MBMS and mixed signal. The WTRU switches between receiving the MBMS and mixed signal in an adaptive or semi-static pattern. A flat broadcast channel (BCH) structure in an MBMS dedicated cell is provided, eliminating need for a dedicated broadcast channel (D-BCH). An MBMS-dedicated cell uses a single paging channel for both paging-indicators and paging-record-blocks. A system information broadcast indicates flexible resource usage and paging-record-block limits. Tracking area (TA)/cell association is provided for an MBMS-dedicated cell and geographically co-located non-MBMS-dedicated cells. MBMS-dedicated cell system information is broadcast to regulate WTRU operation while receiving MBMS within said cell. Generic Access Profile (GAP) definitions is part of system information.
A method and apparatus of resource management for multimedia broadcast multicast services (MBMS) are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report and an MBMS reception performance report to a network. Single frequency network (SFN) area change may be made based on cell reselection information, WTRU macro-diversity MBMS reception performance, neighbor cell signal strength reported by a WTRU, interference level measured by the WTRU, a number of WTRUs in a cell, service priority, WTRU class, WTRU mobility trend, WTRU location to a cell center, WTRU MBMS reception interference level, etc. The MBMS service on/off decision and/or point-to-point (PTP) to point-to-multipoint (PTM) switching may be made based on a channel condition of a WTRU. The channel condition may be determined based on whether the WTRU is in in-sync or out-of-sync in MBMS reception, consecutive negative acknowledgements (NAKs) within a certain time window, measured pathloss from a reference channel, etc.
A wireless transmit receive unit (WTRU) is configured to operate in an high speed data packet access (HSDPA) mode in a cell and/or state and to clear HSDPA resources when moving out of the cell and/or state. The WTRU is configured to clear HSDPA resources when conditions to perform high speed downlink shared channel reception are not met. When in cell transition or state transition, the WTRU checks whether there is an ongoing a high speed downlink scheduling channel (HS-DSCH) reception, and if the new cell or state cannot support HS-DSCH, then the HSDPA resources being used for the ongoing HS-DSCH reception are released. The WTRU uses radio resource control (RRC) processing, and monitors various events and conditions such as an RRC variable HS_DSCH_RECEPTION_GENERAL, which tracks HS-DSCH reception for all states in order to make the determination whether to release HSDPA resources.
A method and apparatus for reducing modulation and coding scheme (MCS) signaling overhead includes receiving a channel quality indicator (CQI) feedback. It is determined if there is a CQI feedback error. An MCS indicator is transmitted based upon the CQI feedback error determination.
A method and apparatus for precoding validation in wireless communications with reduced error probability is disclosed. Error probability is reduced by applying phase rotations to precoding matrices, dedicated pilot symbols, or both to maximize a minimum pairwise distance.
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04B 7/04 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
84.
APPARATUS AND METHOD FOR COMPUTING MAXIMUM POWER REDUCTION FOR A UMTS SIGNAL
A method and apparatus are provided for controlling transmit power with an estimated value of cubic metric (CM) and/or peak-to-average ratio (PAR). Preferably, the method is applied in determining a value for Maximum Power Reduction (MPR) for computing maximum MPR or minimum MPR, by estimating CM and/or PAR from signal parameters. The method of estimating CM and/or PAR is applicable to any multicode signal.
A method and an apparatus for indicating a temporary block flow (TBF) to which a piggybacked acknowledgement/non-acknowledgement (PAN) field is addressed. A method and apparatus of performing receive processing to reduce the probability of false acceptance of erroneous PANs are also disclosed. A transmit station generates a PAN check sequence (PCS) and performs a channel coding on a PAN field and the PCS. The transmit station scrambles the encoded bits of the PAN field and the PCS with a TBF-specific scrambling code. Because of the scrambling, the PCS decoding at a receive station will pass if the data block is received by an intended receive station, while the PCS decoding will fail if received by a non-intended receive station. Alternatively, the scrambling may be performed before the channel coding. Alternatively, the transmit station may combine the PAN field and a temporary flow identity (TFI) to generate a PCS.
H04L 1/16 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
H04L 1/00 - Arrangements for detecting or preventing errors in the information received
86.
ASSISTED WIRELESS TRANSMIT/RECEIVE UNIT PAGING AND CALL SESSION ROUTING
A method and apparatus are disclosed are disclosed for communicating with a Wireless Transmit/Receive Unit in wireless communications. The WTRU, capable of communicating in a 3GPP network and a non-3GPP network (112), receives messages with the assistance of the non-3GPP network through a Paging Entity (118).
A method and apparatus for efficient precoding matrix verification in a multiple-input multiple-output MIMO wireless communication system are disclosed. A wireless transmit/receive unit WTRU sends a precoding matrix index PMI to an eNodeB. The eNodeB sends a verification message including a PMI indicator indicating whether or not the PMI of the WTRU and a PMI of the eNodeB are identical. If the PMI of the WTRU and of the eNodeB are identical, the eNodeB sends just a PMI indicator otherwise the eNodeB sends to the WTRU a PMI indicator and the PMI of the eNodeB. A plurality of PMIs may be sent simultaneously, and the PMIs may be partitioned into a plurality of groups. The PMI indicator may be either attached to or inserted into control signaling. PMI validation messages can be signaled to WTRU by control signaling or use of a dedicated reference signal.
The method and apparatus disclosed are used for handling RL and handover failures based on context transfer details and RACH procedures that enhance the failure handling procedures. After an RL failure, a user equipment (UE) includes the identity of an evolved Node-B (eNodeB) and/or cell as an information element (IE) in an RRC connection request and/or a cell update message or any other RRC message along with a UE identity.
A method and apparatus for integrating a Voice over Internet Protocol (VoIP) client in a wireless PC card are disclosed. A soft mobile phone client is combined with a cellular PC card to create a single physical device that is capable of providing VoIP services to a computer user through the cellular capabilities of the device itself, or alternatively, through any other Internet connectivity available to the computer. When a user inserts the VoIP client/ Cellular PC Card into a computer, a graphical user interface (GUI) within the connection manager software is launched allowing the user to communicate VoIP function commands to the VoIP client. A check for Internet connectivity may be performed, at which time the Radio portion of the enhanced PC card may be put into an idle state if connectivity is detected, or may alternatively establish Internet connectivity through the cellular portion of the enhanced PC card. (Key words: UMA (universal mobile access), SIP, GAN, IEEE 802.21, access stratum module, softphone, softmobile)
This application is related to a method and apparatus for optimizing the transmission of PLMN-IDs in a wireless network. This is accomplished by reducing the amount of bandwidth required to transmit a given set of PLMN-IDs.
A method and apparatus for improving handover in an IEEE 802.21. compliant communication network. A query is transmitted from a wireless transmit/receive unit (WTRU) to a media independent handover (MIH) server (MIHS). The WTRU includes a target point of attachment (PoA) and/or a preferred mobile internet protocol (MIP) method. The WTRU receives a response from the MIHS indicating the MIP method supported by the target PoA. Based on the received response, the WTRU may make an informed decision regarding handover.
A method and apparatus for indicating a temporary block flow (TBF) to which a piggybacked acknowledgement/non-acknowledgement (PAN) field is addressed. A PAN check sequence (PCS) is created, for example using a cyclic redundancy check (CRC) encoding.. The PCS is masked with a temporary flow identity (TFI) assigned to a TBF or a mask generated based on the TFI. A data block including the PAN field and the masked PCS is then processed for transmission. The mask may be generated by converting the TFI using an (M, N) code, M being not greater than the number of bits of the PCS and N being the number of bits of the TFI. With this scheme, a TFI may be transmitted in a PAN field without using explicit bits to identify the TBF.
H04L 1/16 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
93.
POWER CONTROL IN ORTHOGONAL SUB-CHANNELS IN WIRELESS COMMUNICATIONS
A method and apparatus for power control in a wireless communication involves establishing at least two orthogonal sub-channels within a channel for communication and controlling transmitted power in each sub-channel independently.
H04B 7/04 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
94.
A METHOD AND SYSTEM FOR ENHANCING CRYPTOGRAPHIC CAPABILITIES OF A WIRELESS DEVICE USING BROADCASTED RANDOM NOISE
A secret stream of bits begins by receiving a public random stream contained in a wireless communication signal at a transmit/receive unit. The public random stream is sampled and specific bits are extracted according to a shared common secret. These extracted bits are used to create a longer secret stream. The shared common secret may be generated using JRNSO techniques, or provided to the transmit/receive units prior to the communication session. Alternatively, one of the transmit/receive unit is assumed to be more powerful than any potential eavesdropper. In this situation, the powerful transmit/receive unit may broadcast and store a public random stream. The weaker transmit/receive unit selects select random bits of the broadcast for creating a key. The weaker transmit/receive unit sends the powerful transmit/receive unit the selected bit numbers, and powerful transmit/receive unit uses the random numbers to produce the key created by the weaker transmit/receive unit.
A method and apparatus for introducing exchange information (XID) frames for link access Procedure on the Dm (data) channel (LAPDm) Procedure comprises commencing a negotiation between a mobile station (MS) and a basic service set (BSS). XID frames are transmitted between the MS and the BSS.
Methods and apparatus for performing efficient blind transport format (TF) detection in wireless communication systems are disclosed based on TF groups and efficient hybrid automatic repeat request (HARQ) assisted blind TF detection for retransmissions. When a receiver detects a failure for an initial transmission, a transmitter receives an HARQ negative acknowledgement (NACK) or no feedback from the receiver beyond a certain duration. The transmitter uses the same transport format combination (TFC) for a first retransmission as is used for the initial transmission for data detection, and if the first retransmission fails and after the transmitter gets the HARQ NACK or no feedback from the receiver beyond the certain duration, the transmitter uses a next more robust TFC for a second retransmission and the receiver should also to use next more robust TFC for data detection for the second retransmission from the transmitter. Alternatively, the transmitter uses the next robust TF for the first retransmission.
Methods and apparatus are disclosed to facilitate wireless communications between a wireless transmit receive unit (WTRU), legacy base stations and base stations using different operating parameters, such as evolved high speed packet access (HSPA) systems Third Generation Partnership Project ((3GPP) Release 7, Release 8 and beyond). Preferred WTRUs are configured with a medium access control (MAC) sub-layer component having a subcomponent with HARQ buffers, such as a subcomponent configured to provide MAC-es and MAC-e functionality and/or MAC-is and MACi functionality that include hybrid automatic repeat request (HARQ) processes, some of which are preferably operable with enhanced dedicated transport channels (E-DCH). The WTRUs are preferably configured such that they reconfigure their MAC subcomponents during soft handover while minimizing induced latency and data losses associated with HARQ processes. In some embodiments, the WTRUs are configured to prevent flushing of HARQ process buffers in soft handover scenarios with a Node B that does not support UL enhancements, e.g. higher order modulation (HOM). In other embodiments, flushing of HARQ processes is used but amelioration of adverse effects is addressed.
Method and apparatus for receiving high speed downlink shared channel (HS-DSCH) transmissions are disclosed. An HS-DSCH medium access control (MAC-ehs) entity receives MAC-ehs protocol data units (PDUs) via a high speed downlink shared channel (HS-DSCH) while in one of Cell_FACH, Cell_PCH, and URA_PCH states. The reordering PDUs included in the MAC-ehs PDUs may be sent to a next processing entity without performing reordering of the PDUs. A certain reordering queue may enter a suspend state upon occurrence of a triggering event and MAC-ehs PDUs distributed to the reordering queue in the suspend state may be forwarded to the next processing entity without performing reordering. MAC-ehs reset procedure may be extended for a certain transmission such that the MAC-ehs reset is performed after receiving a MAC-ehs PDU in a target cell.
A method for determining an unacknowledged mode radio link control protocol data unit (PDU) size in a wireless transmit receive unit (WTRU) includes the WTRU setting a maximum PDU size, and the WTRU setting a maximum total data transferred size. The PDU size is flexible up to the maximum PDU size.
A wireless transmit/receive unit (WTRU) receives a mapping of access service classes (ASCs) to its assigned access class. The ASC mapping may be based on message priority and logical channel priority. ASC mapping is directly or indirectly mapped to RACH preamble burst groupings and RACH signature groupings.
patents
