27 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.

Methods and systems for dynamic spectrum sharing between current cellular networks (e.g., Fifth Generation (5G) New Radio (NR) ) and emerging cellular network (e.g., Sixth Generation (6G) ) are described. The described embodiments improve the system capacity of the 6G system and ensure extended coverage of the 6G network, while also providing solutions for the smooth evolution of the 5G network to the 6G network. A example method of wireless communication, in accordance with the described technology, includes receiving, by a wireless device from a network node, a message comprising information indicative of an existence of a first resource for the 6G wireless system operating according to the 6G communication protocol, and performing, using the first resource, a transmission or a reception of a signal that is associated with the 5G wireless system operating according to the 5G communication protocol that is different from the 6G communication protocol.

It may be desirable for a user equipment (UE) camping on a non-terrestrial network (NTN) to switch as early as possible to a terrestrial network (TN). Periodically checking whether the TN is available

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.

Apparatuses and methods for controlling an operation of a powered system by extending the coverage of a sensor along a complex contour. An apparatus comprises a structure and a safety system that includes a sensor, a hinge, and a contoured panel. The structure (e.g., a vehicle door) has a first edge in which at least a portion of the first edge has a complex contour. The sensor is attached to the structure. The hinge is attached to at least one of the sensor or the structure. The contoured panel is movably attached to the hinge and has a second edge that substantially aligns with the complex contour of the first edge of the structure. The safety system may be used to control operation of the structure based on a detection of an obstruction by the sensor of the safety system.

In a vehicular communication network, a communication device generates a physical layer (PHY) preamble of a PHY protocol data unit (PPDU) for transmission in the vehicular communication network. The communication device generates a plurality of PHY data segments of the PPDU, and one or more PHY midambles, each PHY midamble to be transmitted between a respective pair of adjacent PHY data segments, and each PHY midamble including one or more training signal fields. Generating the one or more PHY midambles includes, when the PPDU is to be transmitted according to an extended range (ER) mode, generating each training signal field to include i) a first portion based on a very high throughput long training field (VHT-LTF) defined by the IEEE 802.11ac Standard and ii) a second portion based on the VHT-LTF defined by the IEEE 802.11ac Standard; and transmitting, by the communication device, the PPDU in the vehicular communication network.

A user equipment (UE) which may: camp on a non-terrestrial network; receive, from a base station of the non-terrestrial network (NTN-BS), an indication of: a specified radio frequency provided by one or more base stations in a terrestrial network (TN-BSs), a normal coverage range of the specified radio frequency provided by the one or more TN-BSs, and one or more coverage extension features that extend a coverage range of the specified radio frequency beyond the normal coverage range; based on the indication, determine an extended coverage range in which the specified radio frequency provided by the one or more TN-BSs is available; and select the specified radio frequency to switch from the non-terrestrial network to the terrestrial network.

The invention discloses a wireless communication networking method based on the combination of a phased array and an AP, and the method comprises the steps: obtaining the signal coverage demand data of a construction site, adjusting the direction and shape of a wave beam through a phased antenna technology, so as to align a target receiving point, and determining the stability of a signal transmission path; environment noise and multi-path interference data are extracted from the adjusted signal transmission path, an interference signal is processed by adopting an anti-interference algorithm, and stable signal output is obtained; for the dynamic change data of the construction site environment, updating the direction and coverage range of the phased antenna through a preset beam adjustment mechanism, and determining a signal coverage state after adaptive adjustment; acquiring a signal coverage state after adaptive adjustment, and calculating a coverage expansion range in combination with the deployment position and quantity of the AP equipment to obtain a network distribution result of tip access; and extracting connection demand data of the terminal equipment from a network distribution result, and optimizing signal receiving and transmission parameters through the CPE equipment.

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.

Disclosed are a method and an apparatus for transmitting / receiving a PPDU based on an extended range operation in a wireless local area network system. According to one embodiment of the present disclosure, a method performed by a first STA in a wireless LAN system may comprise the steps of: receiving, from a second STA, a beacon frame including resource information related to transmission of an ER PPDU; receiving an ER PPDU from the second STA based on the resource information; and processing the ER PPDU. Here, the resource information may include one or more of the following: first information related to a dedicated time resource for the ER PPDU; or second information related to a dedicated frequency resource for the ER PPDU.

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.

The present invention relates to the field of communication technologies, and particularly to a method and system for automatically identifying the type of base station under an LTE network. The method includes: the core network acquires the ECGI and base station type of each base station in the LTE network area, and saves the corresponding relationship to the "ECGI-base station type" corresponding relationship table; the serving base station acquires neighbor base station information according to the ANR measurement result, including the ECGI of the neighbor base station; the serving base station sends a request to the core network with the ECGI of the neighbor base station to obtain the base station type corresponding to the ECGI of the neighbor base station; the core network searches for a matching record in the "ECGI-base station type" corresponding relationship table, and returns the found base station type information to the serving base station; the present invention improves the success rate of mutual handover between macro / micro base stations; the present invention is applicable to a base station system, and also applicable to a base station plus repeater extended coverage system, and particularly applicable to a distributed wireless system, including a fiber-optic remote distributed system, a cable remote frequency shift repeater system, a frequency shift system, maritime communication, low-altitude communication, etc.

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.

The invention relates to the technical field of communication, in particular to a method and system for automatically identifying base station types in an LTE network, and the method comprises the steps that a core network obtains ECGI and base station types of all base stations in an LTE network area, and stores a corresponding relation in an ECGI-base station type corresponding relation table; the service base station obtains neighbor base station information according to the ANR measurement result, wherein the neighbor base station information comprises the ECGI of the neighbor base station; the service base station carries the ECGI of the neighbor base station to initiate a request for acquiring a base station type corresponding to the ECGI of the neighbor base station to a core network; the core network searches a matching record in the ECGI-base station type corresponding relation table, and replies the searched base station type information to the service base station; according to the invention, the success rate of mutual switching of macro / micro base stations is improved; the method is suitable for a base station system, is also suitable for a base station and repeater extension coverage system, and is especially suitable for a distributed wireless system including an optical fiber remote distributed system, a cable remote frequency shift repeater system, a frequency shift system, sea area communication, low-altitude communication and the like.

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.

The present disclosure relates to a user equipment (UE) that dynamically adjusts a non-access stratum (NAS) timer. Specifically, the UE can determine operations in a broadband and support for extended coverage (EC) restrictions; the UE can also identify the duration of a non-access stratum (NAS) timer based on the determined operations in the broadband and the EC restrictions. The UE can also send an access request message to a network entity to trigger a mobility management procedure. The UE can also receive an acceptance message from the network entity indicating an unrestricted or restricted state of the EC restrictions. The UE can also apply the duration to the NAS timer based on the acceptance message received from the network entity indicating the unrestricted or restricted state of the EC restrictions or the history of EC restrictions of a public land mobile network (PLMN) in a defined geographical area.

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.

The present invention relates to the field of wireless communication technology, and in particular to a method and system for automatically restoring communication based on IPSEC after multi-route switching, comprising the following steps: IKE SA parameter negotiation and identity authentication and IPsec SA parameter negotiation are performed between a client and a security gateway; an IPSEC tunnel is formally established, and the client uses an ESP message to send a periodic heartbeat message to the security gateway with a period t1; when the security gateway does not receive the ESP message transmitted by the client within the t1 time, a DPD delay event is triggered, and when the client receives the DPD message, identity authentication and IPsec SA parameter negotiation are performed again to rebuild the IPSEC tunnel for restoring communication, and the security gateway obtains and applies new routing information, thereby improving the efficiency of communication recovery. The present invention is applicable to a base station system, and is also applicable to a base station plus a repeater extension coverage system, and is particularly applicable to a distributed wireless system, including a fiber-optic remote distributed system, a cable-remote frequency-shift repeater system, a frequency-shift system, a sea area communication, a low-altitude communication, and the like.

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.