H04B7/2643

TDMA COMMUNICATION DEVICE AND TDMA COMMUNICATION METHOD
20190173598 · 2019-06-06 · ·

The purpose is to estimate a selection interval of transmission slots of other stations. A TDMA communication device may include a receiver, an estimating information acquirer, and a selection interval estimator. The receiver may receive communication data from another station through any of a plurality of reception slots within a selection interval set based on a given nominal increment. The estimating information acquirer may acquire estimation information for an estimated selection interval of another station based on the communication data received from another station. The selection interval estimator may estimate the estimated selection interval based on the estimation information.

Next Generation Mobile Satellite Service (MSS)

A system and method for operating a hybrid 4G satellite network. The method includes providing a NGSG including a satellite AS/NAS stack, a terrestrial 4G stack and a relay to connect the satellite AS/NAS stack and the terrestrial 4G stack; transporting a 4G traffic between a 4G UE and the NGSG using a satellite air interface; utilizing a terrestrial network between the NGSG and a 4G CN to transport the 4G traffic; and mapping, with the relay, the 4G traffic between the satellite AS/NAS stack and the terrestrial 4G stack and vice versa, where the satellite air interface is better suited for satellite communications than the terrestrial network. A system and method for multiplexing a first-generation UE and a second-generation UE on a satellite channel.

COMMUNICATION METHOD FOR A WIRELESS AD HOC NETWORK, AND WIRELESS AD HOC NETWORK
20240224245 · 2024-07-04 ·

A communication method is disclosed for a wireless ad hoc network having a plurality of nodes, each node including a RX circuit and a TX circuit configured to receive or transmit data packages based on time division multiple access (TDMA) frames, respectively. The TDMA frames include time slots that are unambiguously assigned to one of the nodes, respectively. The communication method includes: transmitting, by at least one node of the plurality of nodes, at least one data package in a subset of time slots of a TDMA frame, respectively, wherein the subset of time slots is assigned to a subset of nodes of the plurality of nodes; and deactivating, by the at least one node, the RX circuit and/or the TX circuit of the at least one node during the subset of time slots of subsequent TDMA frames.

Method, base station and terminal for dynamic uplink configuration in wireless communication system
10305642 · 2019-05-28 · ·

A method, base station, and terminal for dynamic uplink configuration in a wireless communication system, the method including: determining reconfiguration information including a reconfiguration point of time, to employ first uplink and downlink subframe configuration in the first configuration period before the reconfiguration point of time, and to employ second uplink and downlink subframe configuration in a second configuration period after the reconfiguration point of time; and in the last transmission period before the reconfiguration point of time, employing an uplink scheduling timing sequence of a reference uplink and downlink subframe configuration according to an uplink data timing sequence, the reference uplink and downlink subframe configuration including the second uplink and downlink subframe configuration. The method, base station, and terminal efficiently achieve at least one of: ensuring resource utilization, addressing timing sequence conflicts, coordinating processes, ensuring user throughput, or reducing transmission delay during TDD uplink and downlink reconfiguration.

DRX operation for UL/DL reconfiguration

In embodiments, apparatuses, methods, and storage media may be described for identifying subframes in a radio frame on which a UE may receive a Physical Downlink Control Channel (PDCCH) or enhanced PDCCH (ePDCCH) transmission. Specifically, the UE may receive multiple indications of uplink/downlink (UL/DL) subframe configurations and identify one or more subframes in which the UE may receive the PDCCH or ePDCCH transmission. The UE may then monitor one or more of the identified subframes and base discontinuous reception (DRX) timer functionality on one or more of the identified subframes.

Communication method based on time division multiple access communication system, and terminal

Disclosed are a communication method based on a time division multiple access communication system, and a terminal. The method comprises: receiving, by a communication terminal, an embedded signalling frame, conducting embedded type information parsing on the embedded signalling frame to obtain an embedded signalling and control information; in accordance with the control information, caching, by the communication terminal, the embedded signalling to corresponding caching regions; and when each corresponding caching region has already been cached with the embedded signalling, conducting embedded type signalling decoding, by the communication terminal, on the embedded signalling in all the caching regions so as to obtain a control signalling. The technical solution of the present invention can shorten the terminal access duration of the time division multiple access communication system, thereby improving the access performance of the time division multiple access communication system.

TIMING ADVANCE OFFSET FOR UPLINK-DOWNLINK SWITCHING IN NEW RADIO

The embodiments herein relate to timing advance offset for uplink/downlink switching in New Radio (NR). In one embodiment, there proposes a method in a wireless communication device, comprising: determining a timing advance (TA) offset for uplink/downlink switching, wherein the TA offset is at least based on the time offset requirement for uplink/downlink switching in different scenarios used in communication between the wireless communication device and a network node; applying the determined TA offset in the uplink communication from the wireless communication device to the network node. With embodiments herein, uplink/downlink switching time for NR is defined.

SYSTEMS AND METHODS FOR LOW-POWER LOCATION DETERMINATION USING TERRESTRIAL SIGNALS
20190141635 · 2019-05-09 · ·

Reducing power consumption of a receiver in association with estimating the receiver's position using ranging signals. Systems and methods may determine power reduction strategy information, identify a power reduction strategy using the determined power reduction strategy information, and place one or more modules of the receiver into a reduced power state using the identified power reduction strategy. The power reduction strategy may result in powering off different circuitry of the receiver at different times, and under different circumstances.

COMMUNICATION PROTOCOL OVERLAY
20190132836 · 2019-05-02 · ·

A communication protocol overlay that governs wireless data communications between an access point and subscribers. The communication protocol overlay includes a repeating pattern of superframes, each superframe including frames. Each frame includes a beacon emitted by an access point in a downlink communication to the subscribers at a beginning of the frame. Each frame further includes communication slots following the beacon. Each of the communication slots is uniquely assigned to one of the subscribers, permitting the subscriber to perform an uplink communication to the access point, within the communication slot. The beacon is precisely timed, and each of the communication slots follows the beacon with a specified temporal offset. A single superframe of the repeating pattern of superframes serves all subscribers by providing at least one communication slot to each of the subscribers.

COMMUNICATION PROTOCOL OVERLAY
20190132839 · 2019-05-02 · ·

A communication protocol overlay that governs wireless data communications between an access point and subscribers. The communication protocol overlay includes a repeating pattern of superframes, each superframe including frames. Each frame includes a beacon emitted by an access point in a downlink communication to the subscribers at a beginning of the frame. Each frame further includes communication slots following the beacon. Each of the communication slots is uniquely assigned to one of the subscribers, permitting the subscriber to perform an uplink communication to the access point, within the communication slot. The beacon is precisely timed, and each of the communication slots follows the beacon with a specified temporal offset. A single superframe of the repeating pattern of superframes serves all subscribers by providing at least one communication slot to each of the subscribers.