The present disclosure describes a strand mount. The strand mount includes a hanging bracket configured to be secured to a cable strand, two or more mounting plates, each mounting plate configured such that a small cell antenna can be mounted thereto, and two or more transition brackets securing the two or more mounting plates to the hanging bracket. The transition brackets and mounting plates are adjustable to allow for directional and/or omni- directional mounting of the small cell antennas to the strand mount. Strand mount assemblies are also described herein.
Systems and methods for automatic frequency coordination are provided. In one embodiment, an automatic frequency coordination (AFC) system for authorizing unlicensed operator utilization of a shared spectrum band comprising channels licensed to incumbent operators comprises: a processor coupled to a memory; and an exclusion zone calculator executed by the processor, the exclusion zone calculator configured to construct an exclusion zone for an incumbent receiver antenna operating on a licensed channel of the shared band, wherein the calculator is configured to construct the exclusion zone by: calculating a set of exclusion zone radiuses along a plurality of radials of a radial grid based on applying a moving average filter to interference power values calculated for a plurality of locations along a length of each of the radials; and applying an averaging filter to the exclusion zone radiuses to define the exclusion zone between the exclusion zone radiuses and the receiver antenna.
Base station antennas comprise a multi-column, multiband beamfomiing array that includes a first sub-array of first radiating elements, a second sub-array of second radiating elements and a third sub-array of third radiating elements. The first radiating elements are configured to operate in a first frequency band, the second radiating elements are configured to operate in a second frequency band, and the third radiating elements are configured to operate in both the first frequency band and the second frequency band. Each of the first through third sub- arrays has the same number of columns. A width of the first sub-array exceeds a width of the third sub-array, and a width of the third sub-array exceeds a width of the second sub-array.
Methods of delivering electric power to equipment of a communications access network are provided herein. In particular, a method of delivering electric power to the equipment includes generating an AC power signal having a frequency between 10 kHz and 500 kHz that is transmitted via a coaxial cable that is coupled between the equipment and a power monitor. The method includes identifying, using the power monitor, a reflection of the AC power signal via the coaxial cable to the power monitor. Moreover, the method includes adjusting a voltage of the AC power signal in response to identifying the reflection. Related systems and coaxial cables are also provided.
An electronics enclosure includes: a housing having a floor, a ceiling, a rear wall, a pair of side walls, and a door mounted to one of the side walls that define an internal cavity; a first generally vertically-disposed mounting blade; first electronic equipment mounted on the first mounting blade; and a first sliding mechanism mounted to the housing and to the first mounting blade, the sliding mechanism configured to permit the first mounting blade and the first electronic equipment to move between a retracted position, in which the first mounting blade is positioned in the internal cavity, and an extended position, in which the first mounting blade is positioned forwardly of the internal cavity to facilitate access to the first electronic equipment.
A base station antenna includes a column of radiating elements comprising first and second sets of radiating elements, each radiating element being configured to operate in a first frequency band that has first and second sub-bands. The second set of radiating elements is located above and/or below the first set of radiating elements. The antenna further includes a feeding assembly that is configured to feed first RF signals that are in the first sub-band and second RF signals that are in the second sub-band to the column of radiating elements, where the feeding assembly is configured to partially attenuate sub-components of the second RF signals that are fed to the second set of radiating elements more than sub-components of the first RF signals that are fed to the second set of radiating elements.
H01Q 5/50 - Feeding or matching arrangements for broad-band or multi-band operation
H01Q 5/307 - Individual or coupled radiating elements, each element being fed in an unspecified way
H01Q 3/28 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the amplitude
H01Q 21/10 - Collinear arrangements of substantially straight elongated conductive units
RADIATING ELEMENTS HAVING ANGLED FEED STALKS AND BASE STATION ANTENNAS INCLUDING SAME
Radiating elements of first and second linear arrays of radiating elements have respective feed stalks that can reside at an angle to provide a balanced dipole arm with an inner end portion laterally offset to be closer to a right or left side of the base station antenna and reflector than an outer end portion that faces a radome of the base station antenna. The feed stalk can include sheet metal legs and printed circuit boards providing an RF transmission line(s).
Base station antennas include an externally accessible active antenna module releasably coupled to a recessed segment that is over a chamber in the base station antenna and that is longitudinally and laterally extending along and across a rear of a base station antenna housing. The base station antenna housing has a passive antenna assembly that cooperates with the active antenna module.
H01Q 3/04 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
The present disclosure describes strand mounts for small cell radios and/or antennas. A strand mount may include a plurality of polymeric mounting tubes configured such that one or more small cell radios and/or antennas can be mounted thereto, a pair of polymeric retaining members, each retaining member having a plurality of apertures sized and configured to receive a corresponding end of each mounting tube, and one or more mounting brackets configured to secure the strand mount on a cable strand. Stand mount assemblies are also described herein.
The present disclosure describes strand mounts for small cell radios. A strand mount may include a top plate, a bottom plate, and opposing side plates that form a housing having an interior cavity dimensioned to fit around one or more small cell radios, a plurality of mounting members, each mounting member coupled to the top and bottom plates within the interior cavity and configured such that a small cell radio can be mounted thereto, and one or more mounting brackets. The strand mount has the dual-capability of being mounted either horizontally on a cable strand or vertically on a pole. Alternative strand mounts and strand mount assemblies are also provided.
The present invention relates to a base station antenna, comprising: a plurality of first radiating elements that are arranged as a first vertically-extending array; a plurality of second radiating elements that are arranged as a second vertically-extending array, where the second radiating elements are staggered in the vertical direction with respect to the first radiating elements; wherein phase centers in an azimuth plane for first sub-arrays of the first radiating elements are substantially the same as phase centers in the azimuth plane for respective third sub-arrays of the second radiating elements, and wherein the first sub-arrays each have a first number of first radiating elements and the third sub-arrays each have a second number of second radiating elements, the first number being different than the second number. This can effectively improve the pattern of the base station antenna.
A method for frequency planning of a proposed microwave system is provided. The method includes receiving data regarding the proposed microwave system. The method further retrieves site-specific interference data from a database for a region around the proposed microwave system. The method also presents a graphical representation of frequency availability based on the received data and the retrieved data. When a user input is received, the method provides additional details on potential interference levels.
A multi-band base station antenna includes a linear array having a plurality of radiating elements arranged in a vertical direction. The radiating elements comprise first and second sets of radiating elements that each include one or more radiating elements. The first set of radiating elements operates in both first and second frequency bands, while the second set of radiating elements operates in the first frequency band but not in the second frequency band.
A wireless local area network is provided. The wireless local area network includes a plurality of access points distributed in a location, wherein the access points form a mesh network. The access points are configured to communicate with client stations over a frequency band dedicated to wireless local area networks. The access points are further configured to communicate backhaul data with each other over a reliable backhaul communication link.
A bracket for mounting cables on an antenna pole includes: a pair of L-shaped members, each of the L-shaped members including a main panel, a pair of jaws extending from opposite edges of the main panel, and a flange extending generally perpendicularly to the main panel, wherein the main panel includes a plurality of first mounting apertures, and wherein the flange includes a plurality of second mounting apertures; a pair of rods, each rod extending through a first mounting aperture of each of the L-shaped members; and a securing component that engages each rod to fix the members relative to each other.
A power and data connectivity micro grid includes a first power sourcing equipment device having first and second power ports and first and second data ports, and configured to deliver DC power signals to the first and second power ports. The micro grid further includes first and second remote distribution nodes, and first and second splice enclosures, each splice enclosure having a power input port, a data input port, a power tap port, a data tap port, a power output port and a data output port. A first composite power-data cable is coupled between the first power port and the first data port of the first power sourcing equipment device and the power input port and the data input port of the first splice enclosure. A second composite power-data cable is coupled between the second power port and the second data port of the first power sourcing equipment device and the power input port and the data input port of the second splice enclosure. The power tap port and the data tap port of the first splice enclosure are coupled to a power input port and a data input port of the first remote distribution node, respectively.
A telecommunications component includes an outer housing that includes a badge holder. The badge holder is configured to receive a badge. The badge is configured to be inserted into the badge holder. The badge includes a feature that is identifying of the source of the telecommunications component and the feature is at least one of a logo, a specific color, text information, a barcode, a QR code, and a RFID tag. The badge includes a pair of arms extending from opposing sides to engage with the badge holder of outer housing. The badge includes a securing feature that is configured to secure the badge within the badge holder.
Indicia elements are added to telecommunications components to identify the source of the telecommunications component. Indicia elements can include at least one of a logo, a specific color (e.g. a color different from a non-indicative base color of the telecommunications component), text information, a barcode, a QR code, and a RFID tag. The indicia elements can aid in identifying or tracing network connections, identifying types of connectors and/or cables, labeling the network connections, and identifying a network operator in a multi-network environment.
A radiating element for a base station antenna includes a feed stalk and a cross-dipole radiator mounted thereon. The cross-dipole radiator includes a dielectric mounting substrate, a first metal dipole that extends along a first axis on the dielectric mounting substrate, a second metal dipole that extends along a second axis on the dielectric mounting substrate that is generally perpendicular to the first axis, and an adhesive layer between the dielectric mounting substrate and the first and second metal dipoles.
H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
H01Q 9/28 - Conical, cylindrical, cage, strip, gauze or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
H01Q 21/26 - Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
A multi-member cable (51) includes at least a first cable element (53-58) and a second cable element (53-58). The first and second cable elements may extend in parallel, be stranded in a helical winding pattern, or be stranded in a reverse-oscillatory winding pattern, along the length of the cable. At least one binder (35A, 37A) is helically wrapped about the first and second cable elements to hold them together. The binder is formed of a material which disintegrates when exposed to a particular liquid or heat. In a preferred embodiment, the binder may be formed of polyvinyl-alcohol (PVA).
In one embodiment, a method is provided. The method comprises: setting a first voltage level provided to a cable; operating a radio, coupled to the cable, with constant power consumption; measuring a first current level provided to the cable; setting a second voltage level provided to the cable; measuring a second current level provided to the cable; and determining a first resistance of the cable using the first and second voltage and current levels.
A method is provided. The method comprises determining configuration data; wherein the configuration data comprises a resistance of a bypass circuit coupled between a remote radio head and a power cable; using the configuration data, determining the resistance of the power cable coupling a programmable power supply to the remote radio head mounted on a mounting structure, comprising: entering a calibration mode; setting an output voltage of the programmable power supply; measuring an output current of the programmable power supply; storing the output current; and determining the cable resistance; and storing the resistance of the power cable.
A circuit for selecting between a primary power source and a back-up power source is provided in one embodiment. The circuit includes a first port configured to be coupled to a primary power source, a second port configured to be coupled to a back-up power source, a third port configured to be coupled to provide power to a load. The circuit also includes first and second power field effect transistors (FET) coupled between the second port and the third port, a third power FET coupled between the first port and the third port, and a dual ideal diode-OR controller coupled between the second and third power FETs to selectively turn on and off the second and third power FETs. The circuit further includes an opto-isolator coupled to a control input of the first power FET and a controller, coupled to the opto-isolator, that selectively turns on and off the opto-isolator.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
G06F 1/30 - Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
OPTICAL FIBER CONNECTIVITY SYSTEM INCLUDING MODULES AND INTERCONNECTION CABLES
Various fiber optic distribution modules are disclosed, as well as cable useable to interconnect such modules. One possible module includes a first MPO connector and a second MPO connector exposed, and a plurality of LC connectors, the plurality of LC connectors arranged into a first row and a second row. A plurality of fibers is routed between one of the first and second MPO connectors and a different one of the plurality of LC connectors. The plurality of LC connectors in the first row and the second row are grouped into N groups with M connectors in each group corresponding to M/2 channels included in each group and including a fiber pair. The M connectors of each group are disposed across the first and second rows. Indicia disposed on the second side of the housing visually distinguish each group of the N groups from an adjacent neighboring group.
Certain features relate to a digital multichannel interface between a base station and a repeater in a telecommunications system, such as a distributed antenna system. The digital multichannel interface can provide streams of I/Q samples that carry information from multiple carriers of a wideband communications signal as well as semi-static control information for the telecommunications system. The digital multichannel interface can also transport frame timing information between the base station and the repeater. The frame timing information can maintain synchronization between the uplink transmit frames carrying uplink I/Q samples and the downlink transmit frames carrying downlink I/Q samples.
A remote base station system comprising remote radio units and a controller is described. Each of the remote radio units comprises one or more radio frequency (RF) units to exchange RF signals with mobile devices. At least some of the RF signals comprise information destined for, or originating from, a mobile device. The controller comprises one or more modems and is connected to an external network. At least one of the modems is a baseband modem and is configured to pass first data from the external network corresponding to the information. The at least one of the modems is configured to perform real-time scheduling and baseband processing of the first data corresponding to the information to generate second data. The controller is separated from the remote radio units by an intermediate network. The intermediate network comprises a switched Ethernet network over which the second data corresponding to the information is carried in frames between the controller and the remote radio units. The second data may be frequency compressed. The remote radio units are synchronised through the intermediate network with the controller. Cells may be defined comprising one or more of the remote radio units.
86351437 Abstract Among other things, a communication system comprising remote units and a controller is described. Each of the remote units comprises one or more radio frequency (RF) units to exchange RF signals with mobile devices. At least some of the RF signals comprise information destined for, or originating from, a mobile device. The controller comprises one or more modems and is connected to an external network. At least one of the modems is a baseband modem and is configured to pass first data corresponding to the information. The at least one of the modems is configured to perform real-time scheduling of the first data corresponding to the information. The controller is separated from the remote units by an 1 0 intermediate network. The intermediate network comprises a switched Ethernet network over which second data corresponding to the information is carried in frames between the controller and the remote units. Date Recue/Date Received 2020-06-19
Among other things, a communication system comprising remote units and a controller is described. Each of the remote units comprises one or more radio frequency (RF) units to exchange RF signals with mobile devices. At least some of the RF signals comprise information destined for, or originating from, a mobile device. The controller comprises one or more modems and is connected to an external network. At least one of the modems is a baseband modem and is configured to pass first data corresponding to the information. The at least one of the modems is configured to perform real-time scheduling of the first data corresponding to the information. The controller is separated from the remote units by an intermediate network. The intermediate network comprises a switched Ethernet network over which second data corresponding to the information is carried in frames between the controller and the remote units.
A telecommunications system is provided that includes a unit for communicating channelized digital baseband signals with remotely located units. The channelized digital baseband signals include call information for wireless communication. The unit includes a channelizer section and a transport section. The channelizer section can extract, per channel, the channelized digital baseband signals using channel filters and digital down-converters. The transport section can format the channelized digital baseband signals for transport together using a transport schedule unit for packetizing and packet scheduling the channelized digital baseband signals. A signal processing subsystem can control a gain of uplink digital baseband signals, independently, that are received from the remotely located units prior to summing the uplink digital baseband signals.
A system is provided for adjusting power provided over a channel to a device. The system can include power sourcing equipment and a sub-system. The power sourcing equipment can provide power to a powered device via a channel (302). The sub-system can determine an amount by which to increase the power based on a resistance of the channel (306). The power sourcing equipment or the powered device can adjust the power (or load) in response to a command from the sub-system. The sub-system can include at least one measurement device and a processor. The measurement device can measure an output voltage of the power sourcing equipment, an input voltage of the powered device, and a current on the channel (304). The processor can determine the resistance of the channel based on the output voltage, the input voltage, and the current (306). The processor can output a command specifying an increase or decrease in the level of power supplied by the power sourcing equipment.
Certain aspects and aspects of the present invention are directed to a distributed antenna system having a downlink communication path, an uplink communication path, and a non-duplexer isolator sub-system. The downlink communication path can communicatively couple a transmit antenna to a base station. The uplink communication path can communicatively couple a receive antenna to the base station. In one aspect, the non-duplexer isolator sub-system can be electronically configured for isolating uplink signals traversing the uplink communication path from downlink signals. In another aspect, a non-duplexer isolator sub-system can be configurable in one or more mechanical steps selecting a frequency response. In another aspect, a non-duplexer isolator sub-system can include an active mitigation sub-system.