16 results about "Extended coverage" patented technology

Methods and apparatus are described for performing Enhanced Long Range (ELR) wireless communications. In a method, a wireless device generates a legacy portion of an ELR physical layer protocol data unit (PPDU), the legacy portion including at least a legacy short training field (L-STF), a legacy long training field (L-LTF), a legacy signal (L-SIG) field, and a universal signaling (U-SIG) field. The wireless device further generates an ELR portion of the ELR PPDU, the ELR portion including at least a UHR short training field (UHR-STF), a UHR long training field (UHR-LTF), an ELR signal (ELR-SIG) field, and a data field, wherein the ELR-SIG field includes an ELR-SIG-1 subfield and an ELR-SIG-2 subfield. The legacy portion of the ELR PPDU may further include an ELR-MARK field having a BSS color indication. The wireless device transmits the ELR PPDU over a wireless interface for reception by a second device.

Methods and apparatus for wireless channel reservation using extended range Request to Send (RTS) / Clear to Send (CTS) procedures to minimize collisions with OBSS devices. In a method, a first wireless device transmits an extended range RTS frame and receives, in response, a non-extended range CTS frame from a second wireless device. The first wireless device then transmits an extended range physical layer protocol data unit (PPDU) for reception by the second wireless device. This method may further include fragmenting the extended range PPDU into a plurality of extended range fragments, transmitting a first extended range fragment, receiving a non-extended range acknowledgement (ACK) from the second wireless device, and transmitting a second extended range fragment.

Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a wireless relay device includes a wireless transceiver configured to receive, from a first wireless device, communications data, and a controller configured to determine whether to forward the received communications data to a second wireless device.

Various aspects of the present disclosure relate to receiving a configuration message for random access channel (RACH) transmission, the configuration message comprising a plurality of RACH configuration indices and a set of thresholds; selecting a first RACH configuration index based on a comparison of at least one reference signal measurement to the set of thresholds; and transmit, to a base station, a first RACH preamble having a preamble format based on the first RACH configuration index, wherein the preamble format comprises a long preamble format for extended coverage or a short preamble for basic coverage.

The application is aimed at scenarios such as smart grids, and users are easily blocked by obstacles. A smart reflecting surface assisted non-orthogonal multiple access system power distribution method and system for ultra-reliable low-latency users are proposed, specifically including establishing a communication system model between the base station, the smart reflecting surface and the ultra-reliable low-latency users; according to the current smart reflecting surface phase shift vector and power distribution and decoding order, taking the sum rate of users as the optimization target, the optimal reflecting surface phase shift vector and power distribution are obtained; the reflecting surface phase shift vector satisfying the rank constraint is obtained according to the Gaussian randomization; whether the condition of completing iteration is met is judged. The advantages of the smart reflecting surface extended coverage and the non-orthogonal multiple access system throughput are combined, the reliability of the system is improved, and the total rate performance of the user is improved.

Methods, systems, and devices for wireless communication are described. A communication device, such as a user equipment (UE) may receive a configuration (for example, via control signaling) of a set of reconfigurable intelligent surfaces (RISs). The UE may select a primary RIS for bidirectional wireless communication (for example, uplink and downlink) and one or more secondary RISs for unidirectional wireless communication (for example, downlink) based on the configuration. The UE may use the one or more secondary RISs to enable higher throughput and extended coverage in the wireless communication system, for example, for downlink. The UE may communicate with the base station using the primary RIS, or the secondary RIS, or both.

A communications access point may provide access to a wireless communications network to a user device located at a first location. The communications access point may determine that the user device is moving from the first location to a second location where access to the wireless network is limited or not available. In response to the determination, the communications access point may provide access to the wireless network at the second location by extending a coverage area of the wireless network.

The application discloses a wireless communication networking method based on a phased array combined with an AP, acquires signal coverage requirement data of a construction site, adjusts the direction and shape of a beam through phased antenna technology to aim at a target receiving point, and determines the stability of a signal transmission path; extracts environmental noise and multipath interference data from the adjusted signal transmission path, processes interference signals by using an anti-interference algorithm, and obtains stable signal output; in view of dynamic change data of the construction site environment, updates the pointing and coverage range of the phased antenna through a preset beam adjustment mechanism, and determines the signal coverage state after adaptive adjustment; acquires the signal coverage state after adaptive adjustment, calculates the coverage expansion range in combination with the deployment position and quantity of the AP equipment, and obtains network distribution results of terminal access; extracts connection requirement data of terminal equipment from the network distribution results, and optimizes signal receiving and transmission parameters through CPE equipment.

There are provided methods, device and computer programs products. In a method, there is transmitting, by an access point (AP) to a station (STA), a first frame, where the first frame comprises a first indication of a transmission, by the AP, after the first frame, of a null data physical layer protocol data unit (NDP) and a second indication of a nulling of one or more first subcarriers of a bandwidth of the NDP. Then there is transmitting, by the AP to the STA, the NDP, wherein the transmitting of the NDP comprises nulling the one or more first subcarriers of the bandwidth of the NDP.

A new generation of network resource management architecture for coverage is provided, which constructs a structure of “signal coverage+capacity coverage” by incorporating satellite, space-based, and ground access points to achieve large-scale regional signal coverage and local area capacity coverage. In the core network, a global resource orchestrator is added, and in the access network, local resource orchestrator and virtual network management and maintenance unit are added for multiple functional units of resource management and control. In terms of coverage structure, it is divided into three-dimensional dense capacity coverage and three-dimensional global signal coverage. The former consists of ground dense network and aerial ad-hoc network, respectively realizing high traffic density coverage and large connection three-dimensional coverage. The latter consists of ground network and satellite constellation, respectively realizing extended coverage towards low altitude and three-dimensional coverage towards space, sky, ground, and ocean.

A communications access point may provide access to a wireless communications network to a user device located at a first location. The communications access point may determine that the user device is moving from the first location to a second location where access to the wireless network is limited or not available. In response to the determination, the communications access point may provide access to the wireless network at the second location by extending a coverage area of the wireless network.

This disclosure describes systems, methods, and devices related to optimized transceiver capabilities. A device may provide support for multiple modulation and coding schemes (MCSs), including QPSK 2 / 3, 16-QAM 2 / 3, 256-QAM 2 / 3, and 16-QAM 5 / 6, with relaxed constellation error requirements to enhance throughput and range in wireless communication. The device may cause to implement enhanced transmitter constellation error requirements for improved signal quality in 802 11bn networks. The device may provide support for extended range modulation and coding schemes (ELR MCSs), including BPSK 1 / 2 and QPSK 1 / 2 with 4× duplication, to optimize network performance.

Methods and systems may include processes by which the reliability and robustness of a wireless network may be improved. In some implementations, a method may include selecting at least two resource units to be used for communications to a single client device; and transmitting data in duplicate via each of the at least two resource units to the client device such that the client device is able to combine the data from each of the at least two resource units into a single instance of the data. In some implementations, a method may include obtaining notification of one or more ranges of frequencies corresponding to a set of resource units to be avoided in a spectrum of available frequencies, and allocating resource units to a set of client devices that covers the available frequencies while excluding the set of resource units to be avoided.

Methods, systems, and devices for wireless communications are described. In a wireless communications system, a user equipment (UE) may receive an indication of a configuration (e.g., via control signaling) of a set of reconfigurable intelligent surfaces (RISs). The UE may select a primary RIS for bidirectional wireless communication (e.g., uplink and downlink) and one or more secondary RISs for unidirectional (e.g., uplink) wireless communication based on the configuration. The UE may use the one or more secondary RISs to enable higher throughput and extended coverage in the wireless communication system. The UE may communicate with the base station using the primary RIS, or the secondary RIS, or both.