Abstract: A fiber distribution hub includes a power supply and active equipment mounted to a movable frame within a cabinet. The active equipment draws power from the power supply. The movable frame blocks access to the power connections when in a closed position within the cabinet. The movable frame provides access to the power connections when in an open position. Optical connections between feeder and distribution fibers are made at active and/or passive equipment mounted to the movable frame.

Abstract: A phased array antenna includes a first transceiver, a plurality of first radiating elements that are arranged in a first linear array, a first feed network electrically interposed between the first radiating elements and the first transceiver, and a first switch that is coupled along the first feed network, where a state of the first switch is selectable to adjust a number of the first radiating elements that are electrically connected to the first transceiver.

Abstract: A connector assembly that includes a connector that has a ferrule and a latch. The latch is movable about a connection point. The connector assembly also includes a boot that is removably mounted to the connector. The boot is axially slidable to move the latch. The connector assembly also includes a locking assembly to selectively lock the boot from sliding axially relative to the connector.

Abstract: The present disclosure relates to systems and method for deploying a fiber optic network. Distribution devices are used to index fibers within the system to ensure that live fibers are provided at output locations throughout the system. In an example, fibers can be indexed in multiple directions within the system. In an example, spare ports can be providing in a forward direction and reverse direction ports can also be provided.

Abstract: Port occupancy detection for connector panels is provided. In one embodiment, a connector panel comprises: a communications unit communicatively coupled to a network; and at least one modular port adapter assembly comprising: a plurality of communications couplers; and a plurality of port occupancy sensors each coupled to a sensor circuit. Each of the port occupancy sensors are configured to sense when the couplers are occupied. The panel communications unit obtains from the sensor circuit which of the couplers are occupied. The panel communications unit communicates port occupancy information to a gateway indicating circuit which of the couplers are occupied. A chassis including sidewalls extends between a front and a rear to define an interior, and including guides on the sidewalls. A plurality of blades mounted to the guides of the chassis, each blade including a midplane bus assembly configured to communicatively couple the sensor circuit to the panel communication unit.

Abstract: Techniques are disclosed that use an alternating current bridge circuit to determine whether an impedance change occurs at an input to DC-DC voltage converter(s). Techniques are also disclosed for a DC power distribution system that utilizes isolation circuitry coupled to an input of DC-DC voltage converter(s).

Abstract: To provide improvements in crest factor reduction in a distributed communication system, CFR configuration parameters can be determined based on communication signals received from a base station entity and distributed to node(s) of the distributed communication system. CFR engine(s) in the node(s) may perform CFR based on the CFR configuration parameters, and/or may adjust their CFR engine(s) based on signal parameters and/or operating parameters of a power amplifier coupled to a respective CFR engine. Some or all CFR processing may be offloaded from a node and assigned to optical transport card(s) of the system controller based on a processing bandwidth associated with the optical transport card(s).

Abstract: Methods and systems of powering a radio that can be mounted on a tower of a wireless communication system are provided in which a direct current (“DC”) voltage is provided to the radio over a power cable from a power supply configured to change the direct current (DC) output from the power supply based on a measured current level. The power supply is configured to change the DC voltage from a first voltage level to a second voltage level in response to the measured current being greater than or equal to a first threshold value.

Abstract: The present disclosure relates to a ferrule-less multi-fiber connector having features adapted to compensate or adjust for angular misalignment that may occur when the multi-fiber connector is optically connected with a corresponding ferrule-less multi-fiber connector. In one example, the features for adjusting for angular misalignment are integrated in a multi-fiber holder that mounts within a connector body of the fiber optic connector.

Abstract: A cross-dipole radiating element includes first and second polymer-based coplanar waveguide feed stalks, and first and second pairs of polymer-based radiating arms, which are supported by and electrically coupled to the first and second coplanar waveguide feed stalks. These polymer-based feed stalks and radiating arms are configured as a unitary polymer substrate, which is selectively metallized to define a cross-dipole radiating element. The first and second feed stalks may be configured as finite grounded coplanar waveguide (GCPW) feed stalks, which are spaced-apart from each other on an underlying polymer base. The unitary polymer substrate may include the polymer base.

Abstract: The present disclosure relates to individual parking units or connector holders that have an interlock interface on each side thereof that tallow the connector holders to be directly connected together in a ganged relationship. The connector holders can include a detachable connection at a front end thereof to removable mount over a post to form a frictional engagement therewith. The post can be configured to attach to another structure with the connector holders.

Abstract: A transition tube is provided for receipt of a fiber optic cable with a jacket portion and a stripped fiber portion. The transition tube allows the optical fiber to be placed within a gel block seal so that the gel block need not contact the jacket of the optical fiber cable. In some examples, the transition tube contains inner geometry to allow easy insertion of an optical fiber cable. In other examples, an end of the cable is sealed within the transition tube.

Abstract: A multistage combining sub-system for a distributed antenna system (“DAS”) is disclosed. The combining sub-system can receive broadband uplink signals from remote units of the DAS. The sub-system can divide the received broadband uplink signals into sets of narrowband uplink signals. The combining sub-system can select subsets of narrowband uplink signals from the sets of narrowband uplink signals. The subsets can be selected based on the narrowband signals in the subsets having a signal characteristic indicative of useful information. The combining sub-system can combine the selected subsets of narrowband uplink signals for routing to a base station. Combining the selected subsets of narrowband uplink signals can involve excluding narrowband uplink signals that are not included in the selected subsets of narrowband uplink signals.

Abstract: An antenna includes a first column of main radiating elements, each main radiating element configured to operate in a first operating frequency band and a first auxiliary radiating element. The first auxiliary radiating element is adjacent a first main radiating element in the first column of main radiating elements, and the first auxiliary radiating element is configured to radiate an electromagnetic wave that is substantially antiphase to an electromagnetic wave radiated by the first main radiating element.

Abstract: A multi-fiber cable assembly includes a pigtail segments spliced to a trunk segment using multiple mass fusion splices. The splices are disposed within an encapsulation at a common axial location. A flexible conduit extends from one end of the encapsulation to protect bare fibers of the trunk segment. A protective sheath extends from the opposite end of the encapsulation to protect the pigtail segments. The conduit and sheath are axially fixed to the encapsulation.

Abstract: An antenna includes a cross-polarized feed signal network configured to convert first and second radio frequency (RF) input feed signals into first and second pairs of cross-polarized feed signals at respective first and second pairs of feed signal output ports. A patch carrier is provided on the cross-polarized feed signal network. The patch carrier includes a substrate having a plurality of cavities therein, and first and second pairs of feed signal lines, which are electrically coupled to the first and second pairs of feed signal output ports and extend on sidewalls of the plurality of cavities. A patch radiating element is provided on the patch carrier. The patch radiating element is capacitively coupled to the first and second pairs of feed signal lines.

Abstract: Beam forming antennas for base station applications are configured as dielectric resonator antennas (DRAs) having arrays of dielectric resonator radiating elements (DRRE) therein with dual-polarized radiating properties. Each DRRE includes a dielectric radiating element (DRE) electromagnetically coupled by a resonant cavity to a respective cross-polarized feed network, which is responsive to first and second radio frequency (RF) input feed signals. Each resonant cavity may be configured as a polymer-filled resonant cavity, and each DRE may be configured as a cylindrically-shaped or dome-shaped dielectric radiating element.

Abstract: A base station includes a plurality of remote units (RUs), each being configured to exchange RF signals with at least one UE. The C-RAN also includes a controller communicatively coupled to the plurality of RUs via a fronthaul interface. The controller is configured to receive a public warning system (PWS) alert message. The controller is also configured to determine a number of bytes, based on a channel bandwidth of a wireless channel used by the base station, for each of a plurality of system information block messages. The plurality of system information block messages are broadcast wirelessly to the at least one UE.

Abstract: In one embodiment, a boosting system includes a booster circuit. The booster circuit is configured to receive a direct current (DC) voltage input and to adjust the DC voltage input. The boosting system further includes a current sensing circuit coupled to the booster circuit and a first end of a power cable. The current sensing circuit is configured to measure a current at the first end of the power cable. The boosting system further includes one or more processors coupled to the booster circuit and the current sensing circuit. The one or more processors are configured to adjust an output of the booster circuit when the current sensing circuit indicates that the current at the first end of the power cable exceeds a first threshold. The first threshold is selected at least in part based on one or more safety standards of the power cable.

Abstract: A distributed radio frequency communication system facilitates communication between wireless terminals and a core network. The system includes a group of remote radio units (RRUs). Each RRU of the group of RRUs is coupled to an antenna to communicate with at least some of the mobile terminals and includes electronic circuitry to perform at least a first portion of a first-level protocol of a radio access network (RAN) and communicate over a fronthaul link. The system also includes a baseband unit (BBU) coupled to the core network and the fronthaul link, and communicably coupled to the group of RRUs over the fronthaul link. The BBU includes electronic circuitry to assign one or more RRUs, selected from the group of RRUs, to a cluster of RRUs based on one or more parameters, and to perform at least a second-level protocol of the RAN.