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227results about "Diversity/multi-antenna systems" patented technology

A disaster relief system using smart antennas in AI-powered drone swarms

A disaster relief system using AI-powered intelligent antennas in drone swarms, consisting of: a plurality of drones configured to collect environmental data in real time, with the drones being deployed in a disaster area environment; a smart antenna system mounted on each drone, each smart antenna system configured to perform adaptive beamforming to maintain communication links between drones; an artificial intelligence (AI) processing unit configured to receive real-time signal data, including obstacle information, drone positions, and interference patterns from the disaster environment, analyze the received signal data using reinforcement learning algorithms, generate optimized beamforming parameters based on the analysis, and transmit the optimized beamforming parameters to the intelligent antenna systems; a swarm communication protocol module configured to establish communication links between the plurality of drones using the optimized beamforming parameters, coordinate task assignments within the drone swarm, and maintain network integrity during operation; and a central control system configured to monitor all swarm operations, process environmental data, and adapt swarm behavior based on disaster relief requirements.
Owner:ANANTH CHRISTO TIRUNELVELI +10

5G system

A system includes a distributed ledger storing one or more smart contracts; one or more 5G small cells, each having one or more antennas mounted on a housing, each small cell sending packets of data trackable with the distributed ledger; and a processor to control a directionality of the antennas in communication with a predetermined target using 5G protocols.
Owner:FRACTAL NETWORKS LLC

Determining a precoder for wireless communications

Apparatuses, methods, and systems are disclosed for determining a precoder for wireless communications. An apparatus is configured to determine a precoder for a set of modulation symbols representing at least two distinct multiplexed streams of information. The precoder includes a plurality of codewords and is configured to reduce an ensemble interference and a pairwise interference for the plurality of codewords. The apparatus is configured to precode the set of modulation symbols based on the precoder and map the precoded set of modulation symbols to a set of resources. The apparatus is configured to generate a non-orthogonal multiplexed channel for access to the resources by overloading the set of modulation symbols at a transmission rate that is greater than a Nyquist rate and transmit an indication of the precoder and the set of resources.
Owner:LENOVO (SINGAPORE) PTE LTD

Communication method, device and system and storage medium

The invention discloses a communication method, device and system and a storage medium. According to the invention, the system information and the synchronization sequence are sent in the same information block, so that the time delay of initiating the random access by the terminal equipment can be reduced, and the efficiency of the random access is improved; or the network equipment sends at least one information block at a position which is separated from the synchronization signal / broadcast signal block by N time units, and the at least one information block carries necessary information for the terminal equipment to initiate the random access and the position information of the network side, so that the terminal equipment can access the cell in time, and the access time delay is reduced.
Owner:HUAWEI TECH CO LTD

Terahertz antenna structure based on mixed single-layer and double-layer delay lines and precoding method

The invention provides a terahertz antenna structure and precoding method based on a mixed single-layer and double-layer delay line, and the method comprises the steps: firstly, analyzing the relation between the position of an antenna and the delay range of a delay line based on a single-layer delay line structure, and designing a brand new delay line deployment scheme; secondly, designing a mixed single-layer and double-layer delay line structure based on a brand new delay line deployment scheme, namely, adopting a single-layer delay line structure in the middle part of an antenna needing to provide small time delay, and adopting a double-layer delay line structure at two end parts needing to provide large time delay; then calculating the maximum time delay of the mixed single-layer and double-layer delay line structure, and quantifying the hardware complexity of the mixed single-layer and double-layer delay line structure based on the maximum time delay; and finally, designing a hybrid analog digital pre-coding scheme based on the hybrid single-layer and double-layer delay line structure. According to the invention, the hardware complexity and power consumption of the terahertz antenna structure are effectively reduced, and high spectrum efficiency is maintained.
Owner:ZHENGZHOU UNIV +1

Precoding codebook for LOS MIMO

A base station may identify a first antenna configuration of the base station and a second antenna configuration of a wireless device. The base station may select one or more codebook-based precoders for communication with the wireless device with LOS MIMO. The one or more codebook-based precoders may include at least one of a Legendre precoder, a block-DFT precoder, a DFT precoder, a block-Walsh precoder, a Walsh precoder, a block-Legendre precoder, a Kronecker Legendre precoder, a Kronecker block-DFT precoder, or a Kronecker block-Walsh precoder. The base station may transmit, to a wireless device, an indication of a second codebook-based precoder for transmission from the wireless device to the base station with LOS MIMO. The base station and the wireless device may communicate with each other with LOS MIMO based on one or more codebook-based precoders.
Owner:QUALCOMM INC

Load balancer for parallel link networks using weighted round robin scheduling

Approaches disclosed herein provide for the use of load balancers to perform tasks such as to queue traffic. In at least one embodiment, a plurality of parallel links queue traffic by, at least in part, representing a weight of the plurality of parallel links as a plurality of bit strings, where the plurality of bit strings are converted to a plurality of sparse bit strings, and where the plurality of sparse bit strings to be used to generate a representative vector of sequentially interleaved bits of the plurality of sparse bit strings. The traffic for the plurality of parallel links can be queued according to the representative vector. The load balancer may be used in a computer network to manage traffic between nodes connected by parallel links.
Owner:MELLANOX TECHNOLOGIES LTD(IL)

System and method for phase tracking reference signal dynamic presence in ultra-reliable and low-latency and port indication

A user equipment wireless communication device in a wireless communication environment receives a signal from the network that includes a radio network temporary ID. From the radio network temporary ID, the user equipment is capable of determining whether a phase tracking reference signal is present based on the radio network temporary ID. If any of these are identified by the radio network temporary ID, then the user equipment determines that a phase tracking reference signal is present. After the user equipment has determined that the phase tracking reference signal is present, the user equipment can then determine which phase tracking reference signal antenna ports are to be used based on the values of the transmitted precoding matrix indicator value and the transmit rank indicator.
Owner:APPLE INC

ISAC system signal detection method based on block diagonal expected propagation

The invention provides an ISAC system signal detection method based on block diagonal expected propagation, and the method comprises the steps: obtaining a communication signal and a target echo signal transmitted by multi-antenna user equipment through a receiving end, carrying out the whitening of the received signal and noise, and minimizing the interference of a radar to communication; converting the optimized complex signal into a real value system model; initializing a mean vector and a covariance matrix parameter of the expectation propagation algorithm, and setting the number of iterations; calculating diagonal elements of the covariance matrix by adopting a block diagonal Neumann series approximation method; updating a mean vector and adjusting an iteration step length through a dynamic residual factor; and after a preset number of iterations, outputting a final detection signal. According to the method, the complexity is reduced by calculating the diagonal elements of the matrix inversion instead of directly solving the matrix inversion, and a special averaging method is designed for the diagonalization characteristic of the matrix with the similar channel hardening characteristic to optimize the precision.
Owner:NANJING UNIV OF POSTS & TELECOMM

Cellular system

A system includes a cellular transceiver to communicate with a predetermined target; one or more antennas coupled to the 5G or 6G transceiver each electrically or mechanically steerable to the predetermined target; a processor to control a directionality of the one or more antennas in communication with the predetermined target; and an edge processing module coupled to the processor and the one or more antennas to provide low-latency computation for the predetermined target.
Owner:FRACTAL NETWORKS LLC

Methods and apparatus for error correction coding integrated with transmission diversity

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure discloses a method and an apparatus for error correction coding in a communication system, more specifically, to error correction coding integrated with transmission diversity.
Owner:POLARAN HABERLESME TEKNOLOJILERI ANONIM SIRKETI

Enhanced channel sounding protocols for WLAN systems

Methods and apparatuses for Multi-AP channel sounding for Wireless Area Networks (WLAN) are disclosed. A method performed by a beamformee may compromise: receiving, from a beamformer, a null data packed (NDP) announcement frame (NDPA); receiving, from the beamformer, an NDP frame; receiving, from the beamformer, an enhanced beamforming request poll (BFRP) trigger frame including an indication of a feedback format; and transmitting, to the beamformer based on the NDP and NDPA, using a format indicated by the feedback format of the BFRP trigger frame, a feedback frame including a feedback report. The trigger frame may be an enhanced beamforming report poll (BFRP) trigger frame. The feedback report may be a beamforming report or a vector index (VI) feedback report. The beamformer may be an access point (AP) and the beamformee may be a station (STA).
Owner:INTERDIGITAL PATENT HOLDINGS INC

Full-duplex communication method and associated wireless communication device

Full-duplex communication method and associated wireless communication device. The invention relates to a full-duplex communication method implemented by a wireless communication device comprising a set of transmitting antenna elements, a set of receiving antenna elements, and a plurality of RF chains, each RF chain being connected to at least one of said receiving antenna elements. The method comprises: reception, by at least one receiving antenna element of the wireless communication device, of first signals emitted by at least one wireless transmitting device and at least one user terminal, and of a second signal emitted by at least one transmitting antenna element of the wireless communication device to at least one wireless receiving device, and processing of the first and second received signals, at least one of said RF chains being dedicated to processing the second signal.Figure for the abridged version: Fig. 1.
Owner:FOND B COM +2

A modular system for detecting, tracking, and transmitting identified objects

A modular radio frequency ("RF") system includes one or more directional antennas and is configured with both hardware and software components that enable the RF system to monitor (e.g., detect or track signals or objects) and / or interact with (e.g., track signals or objects or transmit signals) objects in a particular direction. The RF system includes one or more machine learning models to determine one or more signals to transmit based on received signals.
Owner:アンドゥリル インダストリーズ インコーポレイテッド

Method for analog beamforming and transmitter for wireless communication network

A method for analog beamforming performed by a transmitter (110) of a wireless communication network (100) is disclosed. The transmitter (110) comprises a plurality of antenna branches (114, 115, 116), each antenna branch comprising an antenna element (111, 112, 113). The method comprises, for each antenna branch (114, 115, 116), obtaining a first and a second signal of an analog radio signal, the first and the second signal being separated from the analog radio signal and the analog radio signal being identical at each antenna branch; and obtaining information indicating a branch-specific phase shift angle and a branch-specific amplitude, the branch-specific phase shift angle and the branch-specific amplitude being determined from information identifying a radiation pattern, the radiation pattern comprising at least two directions for wireless transmission to at least one receiver (120). The method further includes phase shifting the first signal according to a first phase shift angle and phase shifting the second signal according to a second phase shift angle, the first and second phase shift angles being selected so that when the first and second signals are combined, the combined signal has a branch-specific phase shift angle and a branch-specific amplitude indicated by the obtained information; combining the phase-shifted first and second signals into a combined signal; and wirelessly transmitting the combined signal via the antenna units (111, 112, 113).
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Resource configuration method, device, and storage medium

The present disclosure relates to a resource configuration method, a device, and a storage medium. The method comprises: receiving first information sent by a network device, wherein the first information comprises first indication information, the first indication information is used for indicating the position of a first signal resource, the first signal resource is at least one signal resource among a plurality of signal resources, and different signal resources are used for measuring channels corresponding to different antenna ports; and determining the position of a second signal resource on the basis of the position of the first signal resource, wherein the second signal resource is a signal resource other than the first signal resource among the plurality of signal resources, and the position of the second signal resource is a position the same as and / or adjacent to the position of the first signal resource. That is to say, a terminal device can determine the position of the second signal resource on the basis of the position of the first signal resource indicated by the network device. In this way, the network device only needs to specify the position of the first signal resource, thereby reducing signaling indication overhead.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Method and radio base station comprising antennas for providing coverage in a cell

The present disclosure relates to a method performed by a radio base station (100) for providing radio coverage in a cell (101), and a radio base station (100) performing the method. In an aspect, a method performed by a radio base station (100) for providing radio coverage in a cell (101) is provided. The method comprises establishing (S102) communication channels in a plurality of directions via a first antenna (102) capable of performing beam forming, acquiring (S102) performance indicators for the established communication channels, and directing (S103) at least a second antenna (103) in a selected direction based on the acquired obtained performance indicators.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Antenna combination system and terminal device

An antenna combination system and a terminal device. The antenna combination system includes a first antenna and a second antenna having a distance less than a first preset threshold. The first antenna includes a first radiation branch and a first feed point, a feed point of the second antenna is arranged on a side away from the first feed point, and a side of the first radiation branch away from the first feed point is grounded. The first feed point is arranged on a side close to the second antenna, and the length of the first radiation branch is an odd multiple of (½)λ. In a case that the second antenna transmits a signal in a first frequency band, a first signal and a second signal that cancel each other are coupled from the second antenna to the first antenna.
Owner:HONOR DEVICE CO LTD

Transfer of channel estimate in radio access network

This document discloses a solution for controlling transfer of channel estimates between a radio head and a network node of a radio access network. According to an aspect, a method in the radio head comprises: receiving a reference signal from a terminal device, computing a channel estimate on the basis of the reference signal and transferring the channel estimate with a first precision level to the network node over a link between the radio head and the network node, wherein the first precision level defines a first number of bits carrying the channel estimate; determining to change the precision level and, in response to said determining, transferring the channel estimate or a further channel estimate with a second precision level to the network node, wherein the second precision level defines a second number of bits carrying the channel estimate or the further channel estimate, the second number being different from the first number.
Owner:NOKIA SOLUTIONS & NETWORKS OY

5g-enabled integrated roofing accessory and methods of use thereof

In some embodiments, the present disclosure provides a system of integrated roofing accessories on a plurality of roofs, where at least one integrated roofing accessory on each roof may include: i) at least one transceiver configured to produce millimeter wave (mm Wave) frequency signals using fifth generation cellular networking (5G) protocols, ii) at least one dielectric antenna in electrical communication with the at least one transceiver for emitting the mm Wave frequency signals according to the at least one 5G protocol, iii) an edge computing device having at least one processor and at least one non-transitory storage with software to operate the edge computing device in communication with the at least one transceiver, and iv) at least one power supply. The software is configured to cause, when executed, the integrated roofing accessories to form a 5G network using the mm Wave frequency signals which communicates with at least one computing device.
Owner:BMIC LLC

Signal processing device and signal processing method

The signal processing device (300A, 300B, 300D) includes a signal extraction unit (310A) that extracts a first pulse signal from a signal received by a first antenna (101) to which a radio wave is input, and extracts a second pulse signal from a signal received by a second antenna (102) that is arranged at a distance from the first antenna (101) and to which the radio wave is input, and a signal combination unit (320A) that generates a first combined signal in which a plurality of first pulse signals are combined in the time axis direction, and a second combined signal in which a plurality of second pulse signals are combined in the time axis direction.
Owner:MITSUBISHI ELECTRIC CORP

System and method for direct-to-mobile transmitter deployment in a network

The present disclosure relates to a system (108) and a method (400) for providing Direct-to-Mobile (D2M) transmission in a network (106) The method (400) comprises receiving, by each of one or more transmitters (214-1, 214- 2….214-N) one or more data streams and transmitting the data stream to a processing module (302). The processing module (302) processes one of the data 10 streams and generates a processed data stream. The method converts the generated processed data stream into an analog radio frequency (RF) signal. The method comprises receiving, by a Radio Frequency (RF) circuitry (308), the analog RF signal to generate an amplified RF signal. The method comprises receiving, by a plurality of antennas (226-1, 226-2….226-N), the amplified RF signal and 15 transmitting the amplified RF signal in the network (106).
Owner:JIO PLATFORMS LTD

Maintaining authentication integrity of signals from backscattering-based communications devices

A first wireless device may be configured to transmit a first public key, an unsigned transmission, and a signed transmission to a backscattering-based communications device. The signed transmission may be signed based on a first private key. The backscattering-based communications device may be configured to receive the first public key, the unsigned transmission, and the signed transmission from the first wireless device. The backscattering-based communications device may be configured to process the unsigned transmission in response to verifying the signed transmission based on the first public key. The backscattering-based communications device may be configured to transmit a verification of the signed transmission in response to verifying the signed transmission based on the first public key.
Owner:QUALCOMM INC

Shared radio access network methods and apparatus

A network transceiver apparatus is configured to allow simultaneous carriage of multiple network operators' entire cellular spectrum traffic to and from wireless user devices using a wideband antenna. The wideband antenna provides a spherical radiation pattern that allows the operation of the wideband antenna at a power that is at least 8 dB below conventional techniques. An example wireless communication method, in accordance with the disclosed embodiments, includes configuring a transceiver apparatus comprising a transmit chain and a receive chain, and providing wireless connectivity to multiple user devices operating in multiple network operators' networks in a multi-user multi-input multi-output configuration.
Owner:COHERE TECHNOLOGIES INC

Wireless communication method, terminal and network side equipment

The invention discloses a wireless communication method, a terminal and network side equipment, and belongs to the field of communication, and the wireless communication method comprises the steps that the terminal receives first configuration information, and the first configuration information is used for indicating at least one first resource; the terminal receives at least one first reference signal on the at least one first resource, and determines at least one first port based on the at least one first reference signal; and the terminal reports first report information, wherein the first report information is used for indicating the at least one first port.
Owner:VIVO MOBILE COMM CO LTD

Wireless reliability for devices in motion

Techniques for improved wireless reliability are provided. It is determined that a client device is at least one of an augmented reality (AR) or a virtual reality (VR) device. A default set of retry parameters and a second set of retry parameters are determined, where the second set of retry parameters result in increased wireless reliability, as compared to the default set of retry parameters. Data is transmitted to the client device using the second set of retry parameters.
Owner:CISCO TECHNOLOGY INC

Beam selection method for accessing a wireless network

Beam selection method for accessing a wireless network. This description relates to a method for selecting beams from a base station (BS) to user equipment (UE1, UE2), the base station (BS) comprising a multi-source antenna array comprising subsets of elementary antennas, the method comprising the steps of emitting, by each subset of elementary antennas in successive stages, a beam, all beams having the same beamwidth, and, for each subset of elementary antennas, all beams emitted by said subset of elementary antennas pointing in directions different from each other and different from the directions of the first beams emitted by each other subset of elementary antennas;and reception by the base station (BS) of a signal emitted by each user equipment (UE1, UE2) indicating at which stage among the first stages the maximum power beam was received by said user equipment (UE1, UE2). Figure for the abbreviation: Fig. 2;
Owner:COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES