IPC Classification

Class code (prefix) Descriptions Number of results
H04W 4/00 Services specially adapted for wireless communication networks; Facilities therefor
H04W 4/02 Services making use of location information
H04W 4/04 in a dedicated environment, e.g. buildings or vehicles
H04W 4/06 Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
H04W 4/08 User group management
H04W 4/10 Push-to-talk [PTT] or push-on-call services
H04W 4/12 Messaging; Mailboxes; Announcements
H04W 4/14 Short messaging services, e.g. short message service [SMS] or unstructured supplementary service data [USSD]
H04W 4/16 Communication-related supplementary services, e.g. call-transfer or call-hold
H04W 4/18 Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
H04W 4/20 Services signalling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
H04W 4/21 Services signalling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel for social networking applications
H04W 4/22 Emergency connection handling
H04W 4/23 Services signalling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel for mobile advertising
H04W 4/24 Accounting or billing
H04W 4/26 Usage measurement
H04W 4/029 Location-based management or tracking services
H04W 4/30 Services specially adapted for particular environments, situations or purposes
H04W 4/33 Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
H04W 4/35 Services specially adapted for particular environments, situations or purposes for the management of goods or merchandise
H04W 4/38 Services specially adapted for particular environments, situations or purposes for collecting sensor information
H04W 4/40 Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
H04W 4/42 Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
H04W 4/44 Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
H04W 4/46 Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
H04W 4/48 Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
H04W 4/50 Service provisioning or reconfiguring
H04W 4/60 Subscription-based services using application servers or record carriers, e.g. SIM application toolkits
H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
H04W 4/90 Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
H04W 8/00 Network data management
H04W 8/02 Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
H04W 8/04 Registration at HLR or HSS [Home Subscriber Server]
H04W 8/06 Registration at serving network Location Register, VLR or user mobility server
H04W 8/08 Mobility data transfer
H04W 8/10 Mobility data transfer between location register and external networks
H04W 8/12 Mobility data transfer between location registers or mobility servers
H04W 8/14 Mobility data transfer between corresponding nodes
H04W 8/16 Mobility data transfer selectively restricting mobility tracking
H04W 8/18 Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
H04W 8/20 Transfer of user or subscriber data
H04W 8/22 Processing or transfer of terminal data, e.g. status or physical capabilities
H04W 8/24 Transfer of terminal data
H04W 8/26 Network addressing or numbering for mobility support
H04W 8/28 Number portability
H04W 8/30 Network data restoration
H04W 12/00 Security arrangements, e.g. access security or fraud detection; Authentication, e.g. verifying user identity or authorisation; Protecting privacy or anonymity
H04W 12/02 Protecting privacy or anonymity
H04W 12/03 Protecting confidentiality, e.g. by encryption
H04W 12/04 Key management
H04W 12/06 Authentication
H04W 12/08 Access security
H04W 12/10 Integrity
H04W 12/12 Fraud detection
H04W 12/30 Security of mobile devices; Security of mobile applications
H04W 12/33 Security of mobile devices; Security of mobile applications using wearable devices, e.g. using a smartwatch or smart-glasses
H04W 12/37 Managing security policies for mobile devices or for controlling mobile applications
H04W 12/40 Security arrangements using identity modules
H04W 12/041 Key generation or derivation
H04W 12/42 Security arrangements using identity modules using virtual identity modules
H04W 12/43 Security arrangements using identity modules using shared identity modules, e.g. SIM sharing
H04W 12/45 Security arrangements using identity modules using multiple identity modules
H04W 12/47 Security arrangements using identity modules using near field communication [NFC] or radio frequency identification [RFID] modules
H04W 12/48 Security arrangements using identity modules using secure binding, e.g. securely binding identity modules to devices, services or applications
H04W 12/50 Secure pairing of devices
H04W 12/55 Secure pairing of devices involving three or more devices, e.g. group pairing
H04W 12/60 Context-dependent security
H04W 12/61 Time-dependent
H04W 12/062 Pre-authentication
H04W 12/63 Location-dependent; Proximity-dependent
H04W 12/64 Location-dependent; Proximity-dependent using geofenced areas
H04W 12/65 Environment-dependent, e.g. using captured environmental data
H04W 12/67 Risk-dependent, e.g. selecting a security level depending on risk profiles
H04W 12/68 Gesture-dependent or behaviour-dependent
H04W 12/69 Identity-dependent
H04W 12/71 Hardware identity
H04W 12/72 Subscriber identity
H04W 12/73 Access point logical identity
H04W 12/75 Temporary identity
H04W 12/76 Group identity
H04W 12/77 Graphical identity
H04W 12/79 Radio fingerprint
H04W 12/80 Arrangements enabling lawful interception [LI]
H04W 12/082 Access security using revocation of authorisation
H04W 12/084 Access security using delegated authorisation, e.g. open authorisation [OAuth] protocol
H04W 12/086 Access security using security domains
H04W 12/088 Access security using filters or firewalls
H04W 12/102 Route integrity, e.g. using trusted paths
H04W 12/104 Location integrity, e.g. secure geotagging
H04W 12/106 Packet or message integrity
H04W 12/108 Source integrity
H04W 12/121 Wireless intrusion detection systems [WIDS]; Wireless intrusion prevention systems [WIPS]
H04W 12/122 Counter-measures against attacks; Protection against rogue devices
H04W 12/125 Protection against power exhaustion attacks
H04W 12/126 Anti-theft arrangements, e.g. protection against subscriber identity module [SIM] cloning
H04W 12/128 Anti-malware arrangements, e.g. protection against SMS fraud or mobile malware
H04W 12/0431 Key distribution or pre-distribution; Key agreement
H04W 12/0433 Key management protocols
H04W 12/0471 Key exchange
H04W 16/00 Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cell structures
H04W 16/02 Resource partitioning among network components, e.g. reuse partitioning
H04W 16/04 Traffic adaptive resource partitioning
H04W 16/06 Hybrid resource partitioning, e.g. channel borrowing
H04W 16/08 Load shedding arrangements
H04W 16/10 Dynamic resource partitioning
H04W 16/12 Fixed resource partitioning
H04W 16/14 Spectrum sharing arrangements
H04W 16/16 Spectrum sharing arrangements for PBS [Private Base Station] arrangements
H04W 16/18 Network planning tools
H04W 16/20 Network planning tools for indoor coverage or short range network deployment
H04W 16/22 Traffic simulation tools or models
H04W 16/24 Cell structures
H04W 16/26 Cell enhancers, e.g. for tunnels or building shadow
H04W 16/28 Cell structures using beam steering
H04W 16/30 Special cell shapes, e.g. doughnuts or ring cells
H04W 16/32 Hierarchical cell structures
H04W 24/00 Supervisory, monitoring or testing arrangements
H04W 24/02 Arrangements for optimising operational condition
H04W 24/04 Arrangements for maintaining operational condition
H04W 24/06 Testing using simulated traffic
H04W 24/08 Testing using real traffic
H04W 24/10 Scheduling measurement reports
H04W 28/00 Network traffic or resource management
H04W 28/02 Traffic management, e.g. flow control or congestion control
H04W 28/04 Error control
H04W 28/06 Optimising, e.g. header compression, information sizing
H04W 28/08 Load balancing or load distribution
H04W 28/10 Flow control
H04W 28/12 Flow control using signalling between network elements
H04W 28/14 Flow control using intermediate storage
H04W 28/16 Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
H04W 28/18 Negotiating wireless communication parameters
H04W 28/20 Negotiating bandwidth
H04W 28/22 Negotiating communication rate
H04W 28/24 Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
H04W 28/26 Resource reservation
H04W 36/00 Handoff or reselecting arrangements
H04W 36/02 Buffering or recovering information during reselection
H04W 36/04 Reselecting a cell layer in multi-layered cells
H04W 36/06 Reselecting a communication resource in the serving access point
H04W 36/08 Reselecting an access point
H04W 36/10 Reselecting an access point controller
H04W 36/12 Reselecting a serving backbone network switching or routing node
H04W 36/14 Reselecting a network or an air interface
H04W 36/16 Performing reselection for specific purposes
H04W 36/18 Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
H04W 36/20 Performing reselection for specific purposes for optimising the interference level
H04W 36/22 Performing reselection for specific purposes for handling the traffic
H04W 36/24 Reselection being triggered by specific parameters
H04W 36/26 Reselection being triggered by specific parameters by agreed or negotiated communication parameters
H04W 36/28 Reselection being triggered by specific parameters by agreed or negotiated communication parameters involving a plurality of connections, e.g. multi-call or multi-bearer connections
H04W 36/30 Reselection being triggered by specific parameters by measured or perceived connection quality data
H04W 36/32 Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
H04W 36/34 Reselection control
H04W 36/36 Reselection control by user or terminal equipment
H04W 36/38 Reselection control by fixed network equipment
H04W 40/00 Communication routing or communication path finding
H04W 40/02 Communication route or path selection, e.g. power-based or shortest path routing
H04W 40/04 Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
H04W 40/06 Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on characteristics of available antennas
H04W 40/08 Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on transmission power
H04W 40/10 Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
H04W 40/12 Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
H04W 40/14 Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality based on stability
H04W 40/16 Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality based on interference
H04W 40/18 Communication route or path selection, e.g. power-based or shortest path routing based on predicted events
H04W 40/20 Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
H04W 40/22 Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
H04W 40/24 Connectivity information management, e.g. connectivity discovery or connectivity update
H04W 40/26 Connectivity information management, e.g. connectivity discovery or connectivity update for hybrid routing by combining proactive and reactive routing
H04W 40/28 Connectivity information management, e.g. connectivity discovery or connectivity update for reactive routing
H04W 40/30 Connectivity information management, e.g. connectivity discovery or connectivity update for proactive routing
H04W 40/32 Connectivity information management, e.g. connectivity discovery or connectivity update for defining a routing cluster membership
H04W 40/34 Modification of an existing route
H04W 40/36 Modification of an existing route due to handover
H04W 40/38 Modification of an existing route adapting due to varying relative distances between nodes
H04W 48/00 Access restriction; Network selection; Access point selection
H04W 48/02 Access restriction performed under specific conditions
H04W 48/04 Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction or speed
H04W 48/06 Access restriction performed under specific conditions based on traffic conditions
H04W 48/08 Access restriction or access information delivery, e.g. discovery data delivery
H04W 48/10 Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
H04W 48/12 Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
H04W 48/14 Access restriction or access information delivery, e.g. discovery data delivery using user query
H04W 48/16 Discovering; Processing access restriction or access information
H04W 48/18 Selecting a network or a communication service
H04W 48/20 Selecting an access point
H04W 52/00 Power management
H04W 52/02 Power saving arrangements
H04W 52/04 Transmission power control [TPC]
H04W 52/06 TPC algorithms
H04W 52/08 Closed loop power control
H04W 52/10 Open loop power control
H04W 52/12 Outer and inner loops
H04W 52/14 Separate analysis of uplink or downlink
H04W 52/16 Deriving transmission power values from another channel
H04W 52/18 TPC being performed according to specific parameters
H04W 52/20 TPC being performed according to specific parameters using error rate
H04W 52/22 TPC being performed according to specific parameters taking into account previous information or commands
H04W 52/24 TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
H04W 52/26 TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
H04W 52/28 TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission
H04W 52/30 Transmission power control [TPC] using constraints in the total amount of available transmission power
H04W 52/32 TPC of broadcast or control channels
H04W 52/34 TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
H04W 52/36 Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
H04W 52/38 TPC being performed in particular situations
H04W 52/40 TPC being performed in particular situations during macro-diversity or soft handoff
H04W 52/42 TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
H04W 52/44 TPC being performed in particular situations in connection with interruption of transmission
H04W 52/46 TPC being performed in particular situations in multi-hop networks, e.g. wireless relay networks
H04W 52/48 TPC being performed in particular situations during retransmission after error or non-acknowledgment
H04W 52/50 TPC being performed in particular situations at the moment of starting communication in a multiple access environment
H04W 52/52 Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers
H04W 52/54 Signalisation aspects of the TPC commands, e.g. frame structure
H04W 52/56 Detection of errors of TPC bits
H04W 52/58 Format of the TPC bits
H04W 52/60 Signalisation aspects of the TPC commands, e.g. frame structure using different transmission rates for TPC commands
H04W 56/00 Synchronisation arrangements
H04W 60/00 Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
H04W 60/02 Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration by periodical registration
H04W 60/04 Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
H04W 60/06 De-registration or detaching
H04W 64/00 Locating users or terminals for network management purposes, e.g. mobility management
H04W 68/00 User notification, e.g. alerting or paging, for incoming communication, change of service or the like
H04W 68/02 Arrangements for increasing efficiency of notification or paging channel
H04W 68/04 User notification, e.g. alerting or paging, for incoming communication, change of service or the like multi-step notification using statistical or historical mobility data
H04W 68/06 User notification, e.g. alerting or paging, for incoming communication, change of service or the like using multi-step notification by changing the notification area
H04W 68/08 User notification, e.g. alerting or paging, for incoming communication, change of service or the like using multi-step notification by increasing the notification area
H04W 68/10 User notification, e.g. alerting or paging, for incoming communication, change of service or the like using simulcast notification
H04W 68/12 Inter-network notification
H04W 72/00 Local resource management, e.g. selection or allocation of wireless resources or wireless traffic scheduling
H04W 72/02 Selection of wireless resources by user or terminal
H04W 72/04 Wireless resource allocation
H04W 72/06 Wireless resource allocation based on ranking criteria of the wireless resources
H04W 72/08 Wireless resource allocation based on quality criteria
H04W 72/10 Wireless resource allocation based on priority criteria
H04W 72/12 Wireless traffic scheduling
H04W 72/14 Wireless traffic scheduling using a grant channel
H04W 74/00 Wireless channel access, e.g. scheduled or random access
H04W 74/02 Hybrid access techniques
H04W 74/04 Scheduled access
H04W 74/06 Scheduled access using polling
H04W 74/08 Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
H04W 76/00 Connection management
H04W 76/02 Connection set-up
H04W 76/04 Connection manipulation
H04W 76/06 Connection release
H04W 76/10 Connection setup
H04W 76/11 Allocation or use of connection identifiers
H04W 76/12 Setup of transport tunnels
H04W 76/14 Direct-mode setup
H04W 76/15 Setup of multiple wireless link connections
H04W 76/16 Setup of multiple wireless link connections involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
H04W 76/18 Management of setup rejection or failure
H04W 76/19 Connection re-establishment
H04W 76/20 Manipulation of established connections
H04W 76/22 Manipulation of transport tunnels
H04W 76/23 Manipulation of direct-mode connections
H04W 76/25 Maintenance of established connections
H04W 76/27 Transitions between radio resource control [RRC] states
H04W 76/28 Discontinuous transmission [DTX]; Discontinuous reception [DRX]
H04W 76/30 Connection release
H04W 76/32 Release of transport tunnels
H04W 76/34 Selective release of ongoing connections
H04W 76/36 Selective release of ongoing connections for reassigning the resources associated with the released connections
H04W 76/38 Connection release triggered by timers
H04W 76/40 Connection management for selective distribution or broadcast
H04W 76/45 Connection management for selective distribution or broadcast for push-to-talk [PTT] or push-to-talk over cellular [PoC] services
H04W 76/50 Connection management for emergency connections
H04W 80/00 Wireless network protocols or protocol adaptations to wireless operation
H04W 80/02 Data link layer protocols
H04W 80/04 Network layer protocols, e.g. mobile IP [Internet Protocol]
H04W 80/06 Transport layer protocols, e.g. TCP [Transport Control Protocol] over wireless
H04W 80/08 Upper layer protocols
H04W 80/10 Upper layer protocols adapted for session management, e.g. SIP [Session Initiation Protocol]
H04W 80/12 Application layer protocols, e.g. WAP [Wireless Application Protocol]
H04W 84/00 Network topologies
H04W 84/02 Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
H04W 84/04 Large scale networks; Deep hierarchical networks
H04W 84/06 Airborne or Satellite Networks
H04W 84/08 Trunked mobile radio systems
H04W 84/10 Small scale networks; Flat hierarchical networks
H04W 84/12 WLAN [Wireless Local Area Networks]
H04W 84/14 WLL [Wireless Local Loop]; RLL [Radio Local Loop]
H04W 84/16 WPBX [Wireless Private Branch Exchange]
H04W 84/18 Self-organising networks, e.g. ad hoc networks or sensor networks
H04W 84/20 Master-slave arrangements
H04W 84/22 Self-organising networks, e.g. ad hoc networks or sensor networks with access to wired networks
H04W 88/00 Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
H04W 88/02 Terminal devices
H04W 88/04 Terminal devices adapted for relaying to or from another terminal or user
H04W 88/06 Terminal devices adapted for operation in multiple networks, e.g. multi-mode terminals
H04W 88/08 Access point devices
H04W 88/10 Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
H04W 88/12 Access point controller devices
H04W 88/14 Backbone network devices
H04W 88/16 Gateway arrangements
H04W 88/18 Service support devices; Network management devices
H04W 92/00 Interfaces specially adapted for wireless communication networks
H04W 92/02 Inter-networking arrangements
H04W 92/04 Interfaces between hierarchically different network devices
H04W 92/06 Interfaces between hierarchically different network devices between gateways and public network devices
H04W 92/08 Interfaces between hierarchically different network devices between user and terminal device
H04W 92/10 Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
H04W 92/12 Interfaces between hierarchically different network devices between access points and access point controllers
H04W 92/14 Interfaces between hierarchically different network devices between access point controllers and backbone network device
H04W 92/16 Interfaces between hierarchically similar devices
H04W 92/18 Interfaces between hierarchically similar devices between terminal devices
H04W 92/20 Interfaces between hierarchically similar devices between access points
H04W 92/22 Interfaces between hierarchically similar devices between access point controllers
H04W 92/24 Interfaces between hierarchically similar devices between backbone network devices
H04W 99/00 Subject matter not provided for in other groups of this subclass