Diversity Patents (Class 375/267)
  • Patent number: 11368340
    Abstract: The disclosed subject matter relates to employing modulation layer mapping to improve the performance of multiple-input and multiple-output (MIMO) communication systems. In one embodiment, a method comprises determining, by a device comprising a processor, codeword information in association with establishment of a wireless communication link with a network device of a wireless communication network, wherein the device and the network device are configured to communicate via the communication link using a MIMO communication scheme. The determining the codeword information comprises determining a code rate and determining a number of modulation indexes for the code rate based on signal-to-noise ratios respectively associated with channel layers included in the MIMO communication scheme. The method further comprises sending, by the device, the codeword information to the network device via a control channel of the wireless communication link.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: June 21, 2022
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: SaiRamesh Nammi, Arunabha Ghosh, Xiaoyi Wang
  • Patent number: 11368896
    Abstract: A communication system includes multiple distributed antenna circuits and an access point (AP). The AP is coupled to the distributed antenna circuits and includes multiple transmit chains, multiple receive chains, and an antenna control circuit communicatively coupled to the transmit chains and the receive chains. The antenna control circuit is configured to determine a subset of the distributed antenna circuits to communicatively couple to at least some of the transmit chains to transmit data to a wireless station (STA) that is in range of the subset. A corresponding method includes determining the subset to communicatively couple to the at least some of the transmit chains of the AP. The method includes communicatively coupling the subset to the at least some of the transmit chains. The method includes directing the data from the at least some of the transmit chains to the subset of the distributed antenna circuits.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: June 21, 2022
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Abhishek Kumar Agrawal, Huizhao Wang, Peiman Amini, Sigurd Schelstraete, Debashis Dash
  • Patent number: 11368948
    Abstract: An apparatus receives, from a wireless network, a transmission configuration indication (TCI) switch command to switch to a target TCI state. The apparatus determines a period based on whether a condition with respect to the target TCI state is met. The apparatus then completes switching to the target TCI state within the period.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: June 21, 2022
    Inventor: Hsuan-Li Lin
  • Patent number: 11368198
    Abstract: A calibration control apparatus (30) includes a receiving-side correction coefficient calculation unit (31) that calculates a receiving-side correction coefficient for calibrating a characteristic difference between reception units (23) based on a propagation path estimation matrix which has, as a matrix element, a propagation path estimation value of each propagation path from transmission units to reception units (23) in a plurality of transmission units of an OAM mode multiplex transmission apparatus and a plurality of reception units (23) of an OAM mode multiplex reception apparatus (20).
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: June 21, 2022
    Assignee: NEC CORPORATION
    Inventor: Masashi Hirabe
  • Patent number: 11362710
    Abstract: The present disclosure discloses a codebook feedback method, a terminal device and a network device. The codebook feedback method, comprising: selecting, by a terminal device, M frequency domain Discrete Fourier Transform (DFT) vectors from a DFT array; determining, by the terminal device, a first frequency domain DFT vector indication set from a plurality of frequency domain DFT vector indication sets according to the M frequency domain DFT vectors, wherein an indication of the M frequency domain DFT vectors is equivalent to a first frequency domain DFT vector indication in the first frequency domain DFT vector indication set, and M is a positive integer; and sending, by the terminal device, an indication message to the network device, wherein the indication message is used for indicating the first frequency domain DFT vector indication set.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: June 14, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Yingpei Huang, Wenhong Chen, Zhihua Shi, Yun Fang
  • Patent number: 11361223
    Abstract: A multi-beam transmission method is provided for transmitting using an N-beam transmitter to a receiver having K receive beams. In the transmitter, a non-linear encoder implemented by a machine learning block, and a linear encoder are trained using gradient descent back propagation that relies on feedback from the receiver. For each input to be transmitted the machine learning block is used to process the input to produce N/K sets of L outputs. The linear encoder is used to perform linear encoding on each set of L outputs to produce a respective set of K outputs so as to produce N/K sets of K encoded outputs overall and N encoded outputs overall. One of the N/K sets of K outputs from each set of K beams.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: June 14, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yiqun Ge, Wuxian Shi, Wen Tong
  • Patent number: 11362714
    Abstract: A first terminal according to an embodiment of the disclosure may obtain information regarding reception power of a reference signal transmitted to a second terminal, obtain information regarding reception power of a source signal transmitted to the second terminal, obtain information regarding reception power of a first combined signal that is transmitted to the second terminal and is a combination of the reference signal and the source signal, obtain information regarding reception power of a second combined signal that is transmitted to the second terminal and is a combination of a modified source signal obtained by shifting a phase of the source signal and the reference signal, and determine a transmission beam of the first terminal, based on the information regarding the reception power of each of the reference signal, the source signal, the first combined signal and the second combined signal.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: June 14, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mikhail Nikolaevich Makurin, Artem Rudolfovitch Vilenskiy, Chongmin Lee
  • Patent number: 11362414
    Abstract: A communication system and method for vehicles, particularly trains, are described with the vehicle having antenna sets. Each antenna set includes a plurality of antennas mounted onto a convex-shaped vehicle roof in which an axis of one antenna set is approximately perpendicular to an axis of another antenna set and in which the antenna sets are mounted below roof level of the convex-shaped vehicle roof A switching device is operable to switch between a first antenna configuration and a second antenna configuration based on a difference in measured signal power received at the antenna sets. The first antenna configuration is associated with a first stationary communication system of the plurality of stationary communication systems and a second antenna configuration is associated with a second stationary communication system of the plurality of stationary communication systems.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: June 14, 2022
    Inventor: Nima Jamaly
  • Patent number: 11362715
    Abstract: Provided is a method, performed by a user equipment (UE), of communicating based on reference signal configuration, the method including receiving, from a base station (BS), channel state information reference signal (CSI-RS) resource setting; determining whether CSI-RS reporting setting corresponding to the CSI-RS resource setting is allocated; and based on a result of the determining, determining whether to generate CSI.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: June 14, 2022
    Inventors: Hoondong Noh, Youngwoo Kwak, Taehyoung Kim, Cheolkyu Shin
  • Patent number: 11356164
    Abstract: Some aspects described herein relate to reporting, to a node, an indication related to a capability to generate antenna weights for a multi-beam, receiving, from the node in response to the indication, a number of reference signals, and generating, based at least in part on the number of reference signals received from the base stations, multiple antenna weights to use in communicating with the base station.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: June 7, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Vasanthan Raghavan, Juergen Cezanne, Raghu Narayan Challa, Ruhua He, Mihir Vijay Laghate, Farhad Meshkati, Junyi Li
  • Patent number: 11356871
    Abstract: A method for a primary user device of a spectrum license used for allowing radio communication in a wireless communication network covering a local area to which the spectrum license is limited, wherein the method comprises: providing at least one spectrum compliance probe within the local area; detecting, using the at least one spectrum compliance probe, within the local area one or both of (i) a first interference caused by a first signal originating from within the local area, wherein the first interference is not allowed by the spectrum license, and (ii) a second interference caused by a second signal originating from outside the local area, wherein the second interference is not allowed by the spectrum license; and controlling the radio communication in response to said detection.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: June 7, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Pål Frenger, Mats Buchmayer, Jan Hederen, Gösta Lemne
  • Patent number: 11349535
    Abstract: Provided are M signal processors that respectively generate modulated signals for M reception apparatuses (where M is an integer equal to 2 or greater), a multiplexing signal processor, and N antenna sections (where N is an integer equal to 1 or greater). When transmitting multiple streams, each of the M signal processors generates two mapped signals, generates first and second precoded signals by precoding the two mapped signals, periodically changes the phase of signal points in the IQ plane with respect to the second precoded signal, outputs the phase-changed signal, and outputs the first precoded signal and the phase-changed second precoded signal as two modulated signals. When transmitting a single stream, each of the M signal processor outputs a single modulated signal. The multiplexing signal processor multiplexes the modulated signals output from the M signal processors, and generates N multiplexed signals. The N antenna sections respectively transmit the N multiplexed signals.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: May 31, 2022
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Yutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi
  • Patent number: 11349533
    Abstract: Wireless network interfaces that are capable of transmitting and/or receiving beamformed radiofrequency (RF) signals may be assisted by the use of codebooks. Electronic devices with memory to store a database of codebooks may be used to increase the number of entries available for operation. The database of codebooks may employ environmental parameters to improve efficiency of the wireless network interface. Methods for calibration of electronic devices and/or adjustment and selection of codebooks based on the parameters are also described. The calibration may employ a testing chamber that measure powers at in a limited number of angles.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: May 31, 2022
    Assignee: Apple Inc.
    Inventors: Srinivasa Yasasvy Sateesh Bhamidipati, Vineet Nayak, Wassim El-Hassan, Xuefeng Zhao
  • Patent number: 11350269
    Abstract: Methods, systems, and devices for wireless communications are described. The described techniques provide for the establishment of a communication link between a base station and a user equipment (UE). The UE may have a spatial partial reciprocity capability. The UE may be configured to determine antenna cross-correlation information for at least a first subset of antenna elements in the UE. The cross-correlation information may include one or more correlation parameters (e.g., correlation coefficients), a correlation model, or both. The UE may transmit sounding reference signals for a second set of antenna elements in accordance with the spatial partial reciprocity capability. The UE may also transmit an indication of the cross-correlation information for at least the first subset of antenna elements of the UE. The base station may use such information to derive correlation parameters for the unsounded antennas and determine precoders for downlink communications.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: May 31, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Alexandros Manolakos, Weimin Duan, Muhammad Sayed Khairy Abdelghaffar, Pavan Kumar Vitthaladevuni, Krishna Kiran Mukkavilli
  • Patent number: 11349552
    Abstract: Concepts and technologies disclosed herein are directed to millimeter wave (“mmWave”) idle channel optimization. According to one aspect disclosed herein, an antenna system can include an antenna array that is configured in a first antenna configuration. The antenna system can generate and send downlink beams directed towards a network edge. A beam index scanner operating at the network edge can scan the downlink beams to determine beam index scanner data for the first antenna configuration. The beam index scanner can send the bream index scanner data to an antenna technician device. The beam index scanner data can indicate that a downlink channel provided by the downlink beams is not optimized. The antenna system can configure the antenna array in a new antenna configuration in an attempt to optimize the downlink channel provided by the downlink beams.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: May 31, 2022
    Assignee: AT&T Mobility II LLC
    Inventors: Kurt Huber, Julius Fodje
  • Patent number: 11342972
    Abstract: Embodiments of the present disclosure disclose an uplink transmission method, an uplink transmission scheduling method and a device. The uplink transmission method is applied to a terminal and includes: performing delay processing of an uplink signal on multiple antenna ports and then transmitting the uplink signal.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: May 24, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Qiuping Huang, Qiubin Gao, Runhua Chen
  • Patent number: 11342974
    Abstract: Example embodiments are directed towards beam formation matching for communications between a receiver and transmitter in a multiple beam Multiple Input Multiple Output (MIMO) system.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: May 24, 2022
    Assignee: Apple Inc.
    Inventors: Yeong-Sun Hwang, Yuan Zhu, Yushu Zhang, Huaning Niu, Wenting Chang
  • Patent number: 11342982
    Abstract: Mechanisms for determining directional beamforming weights are disclosed. A method performed by a radio transceiver device includes obtaining, from measurements on reference signals, channel estimates per antenna port and frequency. The channel estimates are indicative of power delay values per antenna port towards another radio transceiver device. The method includes determining modified channel estimates per antenna port and frequency with the power delay values outside a threshold delay window being suppressed. The method includes determining directional beamforming weights for beam-formed transmission towards said another radio transceiver device based on the modified channel estimates per antenna port and frequency.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: May 24, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Magnus Thurfjell, Arne Simonsson, Christina Larsson, Jonas Medbo
  • Patent number: 11343032
    Abstract: Methods and systems are provided for using frequency spreading during communications, in particular communications in which multiple carriers (or subcarriers) are used. The frequency spreading may comprise generating a plurality of spreading data vectors based on transmit data, such as by application of a spreading matrix to portions of the transmit data. Each spreading data vector may comprise a plurality of elements, for assignment to the multiple subcarriers. The receive-side device may then apply frequency de-spreading, to obtain the original transmit data. The frequency de-spreading may comprise use of the same spreading matrix on data extracted from received signals, which (the data) may correspond to the plurality of spreading data vectors.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: May 24, 2022
    Assignee: MaxLinear, Inc.
    Inventors: Sridhar Ramesh, Curtis Ling, Xing Tan
  • Patent number: 11337234
    Abstract: Facilitating frequency selective scheduling in advanced networks (e.g., 4G, 5G, and beyond) with multiple transmission points is provided herein. Operations of a system can comprise facilitating an activation of a frequency selective scheduling based on identification of control channel elements used for a downlink control channel. The operations also can comprise instructing a user equipment device to report a subband channel quality indicator and a subband precoding matrix index based on a result of an evaluation of a metric determined based on channel conditions. Further, the operations can comprise scheduling the user equipment device with a subband based on the subband channel quality indicator and the subband precoding matrix index reported by the user equipment device.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: May 17, 2022
    Assignees: AT&T Intellectual Property I, L.P., AT&T Mobility II LLC
    Inventors: Safaa Shabbo, Sairamesh Nammi, Vladimir Gusavac
  • Patent number: 11336356
    Abstract: Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the UCI.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: May 17, 2022
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Filippo Tosato, Marco Maso, Nhat-Quang Nhan, Hao Liu
  • Patent number: 11336393
    Abstract: An apparatus and method for generating a broadcast signal frame for signaling a time interleaving mode are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal; a power normalizer configured to perform power-normalizing for reducing the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing time interleaving after performing the power-normalizing; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling a time interleaving mode corresponding to the time interleaver for each of physical layer pipes (PLPs).
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: May 17, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung-Ik Park, Sun-Hyoung Kwon, Jae-Young Lee, Bo-Mi Lim, Heung-Mook Kim, Nam-Ho Hur
  • Patent number: 11336380
    Abstract: A channel response generating module and method for generating a channel response based on a ratio of a channel response corresponding to an image signal frequency bin in relation to a channel response corresponding to a traffic signal frequency bin, or a channel response corresponding to a first frequency bin in relation to a channel response corresponding to a second frequency bin, and a zero-IF signal transmitter employing the channel response generating module and method to efficiently suppress image signals or compensate traffic signals during transmission of IQ RF signals.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: May 17, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Sarma Sundareswara Gunturi, Chandrasekhar Sriram, Jawaharlal Tangudu, Sashidharan Venkatraman
  • Patent number: 11336388
    Abstract: A method for operating a link method includes estimating a plurality of throughputs, each throughput corresponding to one of a plurality of modulation and coding schemes, each one of the plurality of modulation and coding schemes corresponding to one of a plurality of combinations of spatial stream numbers and bandwidths, selecting a maximum throughput from the plurality of throughputs, and transmitting data according to a modulation and coding scheme, a spatial stream number, and a bandwidth corresponding to the maximum throughput.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: May 17, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wook Bong Lee, Moumita Ray, Ruchen Duan
  • Patent number: 11329794
    Abstract: Disclosed are a method and a device for transmitting and receiving a signal, the method including: identifying a downlink signal-only transmission section in which a first electronic device transmits a downlink signal to a second electronic device, and transmitting the signal in the downlink signal-only transmission section; detecting at least one symbol that has a power value relatively higher than a predetermined threshold value; estimating, on the basis of the detected at least one symbol, an interference channel in which a self-interference signal occurs; detecting the self-interference signal; and identifying an FDX transmission section in which an uplink signal is received from the second electronic device and the downlink signal is transmitted simultaneously, and processing transmission of the downlink signal and reception of the uplink signal in the FDX transmission section, wherein the reception of the uplink signal is processed by removing the self-interference signal occurring in the interference c
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: May 10, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Myung Sun Baek, Jin Hyuk Song, Joon Young Jung, Heung Mook Kim, Yong Seong Cho
  • Patent number: 11324003
    Abstract: A radio transmission apparatus selects any one group from a plurality of groups each indicating a combination of a plurality of radio reception apparatuses, notifies at least a plurality of radio reception apparatuses belonging to the selected group of an identification number assigned in advance to the selected group, and allocates transmission data addressed to the radio reception apparatuses belonging to the selected group to each of a plurality of frequency resources based on order of the radio reception apparatuses, which is determined in advance in the selected group.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: May 3, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiromichi Tomeba, Takashi Onodera
  • Patent number: 11323162
    Abstract: What is disclosed is a method for wireless communication comprising receiving a wireless communication via a receiver of the mobile communication device, deriving a demodulation reference signal from a first plurality of symbols of the wireless communication; creating a channel estimation matrix using the demodulation reference signal; inverting the channel estimation matrix to obtain a channel pseudo-inverse matrix; deriving a tracking reference signal from a second plurality of symbols of the wireless communication; calculating a phase shift for one or more additional symbols based on the tracking reference signal; determining a corrected channel pseudo-inverse matrix for the one or more additional symbols by adjusting the channel pseudo-inverse matrix according to the calculated phase shift; and controlling the receiver to accomplish data detection using the corrected channel pseudo-inverse matrix on one or more orthogonal frequency division multiplexing subcarriers.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: May 3, 2022
    Assignee: Intel Corporation
    Inventors: Denis Gudovskiy, Karthik Rajagopalan, Rizwan Ghaffar, Chuxiang Li
  • Patent number: 11316574
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Disclosed is a method of reporting beam measurement state information by a User Equipment (UE). The method may include: measuring beam state information by using a first reception chain and a second reception chain; controlling beam state information on the first reception chain to correspond to beam state information on the second reception chain; calculating state information on each beam based on the controlled beam state information on the first reception chain and beam state information on the second reception chain; and reporting state information on one or more beams.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: April 26, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Anshuman Nigam, Jungsoo Jung, Sunheui Ryoo, Jungmin Moon, Sungjin Lee
  • Patent number: 11310714
    Abstract: Load balancing based on pairing efficiency includes monitoring a pairing efficiency metric of each carrier deployed by an access node, the access node being configured to utilize 5G EN-DC, and offloading wireless devices from a first carrier having a lower pairing efficiency to a second carrier having a higher pairing efficiency. Offloading includes adjusting reference signals associated with 4G and 5G carriers.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 19, 2022
    Assignee: T-Mobile Innovations LLC
    Inventor: Sreekar Marupaduga
  • Patent number: 11304155
    Abstract: The present disclosure relates to a communication technique which combines IoT technology with a 5G communication system for supporting a higher data transfer rate than existing 4G systems, and a system thereof. The present disclosure can be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or a connected car, and services related to health care, digital education, retail business, security and safety, etc.) on the basis of 5G communication technology and IoT-related technology.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: April 12, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyunseok Ryu, Jaewon Kim, Hyunkyu Yu, Sangwon Choi, Kuyeon Whang
  • Patent number: 11304065
    Abstract: A base station apparatus, a terminal apparatus, and a communication method are provided that achieve a radio access network in which beam sweeping is appropriately performed in an environment in which a plurality of frame formats are used in a multiplexed fashion. The terminal apparatus according to the present invention includes an antenna unit configured to have a plurality of beam patterns configurable, a receiver configured to acquire information for indicating at least one of a plurality of frame configurations, and a beam sweeping unit configured to perform beam sweeping based on a prescribed frame configuration in a case that the information for indicating the one of the plurality of frame configurations indicates the prescribed frame configuration.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: April 12, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Hiromichi Tomeba, Ryota Yamada
  • Patent number: 11303332
    Abstract: A method includes: receiving, from a network device, an index of a precoding matrix and a quantity of layers for uplink transmission; determining a first target codebook based on the quantity of layers for uplink transmission and a quantity of physical antennas of a communications apparatus, where the first target codebook includes a plurality of first precoding matrices; and determining, based on a first target precoding matrix that corresponds to the index and that is in the plurality of first precoding matrices, a target physical antenna used by the communications apparatus to send uplink information.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: April 12, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Huiying Zhu, Liuliu Ji, Shengyue Dou, Yuanjie Li
  • Patent number: 11296770
    Abstract: A method of transmitting data to a communications device from a wireless communications network comprising one or more infrastructure equipment, the method comprises configuring one or more of the infrastructure equipment for transmitting one or more candidate beams of signals which can be used to transmit the data to the communications device from each of one or more cells of the wireless communications device formed by the infrastructure equipment. Each of the candidate beams is configured with a different directional bias with respect to a location of the one or more cells from which the signals of the candidate beam can be received when transmitted.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: April 5, 2022
    Assignee: SONY CORPORATION
    Inventors: Shin Horng Wong, Martin Warwick Beale, Brian Alexander Martin, Vivek Sharma
  • Patent number: 11296912
    Abstract: A transmission device that improves data reception quality includes: a weighting synthesizer that generates a first precoded signal and a second precoded signal from a first baseband signal and a second baseband signal, respectively; a phase changer that applies a phase change of i×?? to the second precoded signal; an inserter that inserts a pilot signal into the second precoded signal applied with the phase change; and a phase changer that applies a phase change to the second precoded signal applied with the phase change and inserted with the pilot signal. ?? satisfies ?/2 radians<??<? radians or ? radians<??<3?/2 radians. Each of the first baseband signal and the second baseband signal is modulated via a modulation scheme of quadrature amplitude modulation (QAM) using non-uniform mapping.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: April 5, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Yutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi, Hiroyuki Motozuka
  • Patent number: 11297689
    Abstract: In one embodiment a system comprises a master unit configured to receive a base station downlink radio frequency signal and transmit a base station uplink radio frequency signal; and a plurality of remote antenna units each communicatively coupled to the master unit using at least one cable, the remote antenna units each configured to radiate a remote downlink radio frequency signal from at least one antenna and to receive a remote uplink radio frequency signal from the at least one antenna. The master unit comprises a channel selective uplink muting circuit. The master unit receives and monitors uplink transport signals from the remote uplink radio frequency signal to identify one or more channels within the uplink transport signals that are not carrying uplink communications traffic; wherein the channel selective uplink muting circuit selectively mutes channels of the uplink transport signals that are not carrying uplink communications traffic.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: April 5, 2022
    Assignee: Andrew Wireless Systems GmbH
    Inventors: Jaroslav Hoffmann, Klaus Peter Möller
  • Patent number: 11290164
    Abstract: Embodiments of a channel state information (CSI) reporting method and apparatus are disclosed. A method includes: receiving, by a first communications apparatus, reference signals from a second communications apparatus; and performing, by the first communications apparatus, channel measurement based on the reference signals, and sending first CSI to the second communications apparatus in a time unit whose identifier is m, where the first CSI is used to indicate a channel state in a first reference time unit and a channel state in a second reference time unit, where an identifier of the first reference time unit is m?n1, an identifier of the second reference time unit is m?n1?n2, where m, n1, and n2 are integers, and n2 is not equal to 0. This way, matching is improved between CSI applied by a network device and a channel that is at a current moment.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: March 29, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ruiqi Zhang, Xueru Li
  • Patent number: 11291017
    Abstract: A method and system are provided for scheduling data transmission in a Multiple-Input Multiple-Output (MIMO) system. The MIMO system may comprise at least one MIMO transmitter and at least one MIMO receiver. Feedback from one or more receivers may be used by a transmitter to improve quality, capacity, and scheduling in MIMO communication systems. The method may include generating or receiving information pertaining to a MIMO channel metric and information pertaining to a Channel Quality Indicator (CQI) in respect of a transmitted signal; and sending a next transmission to a receiver using a MIMO mode selected in accordance with the information pertaining to the MIMO channel metric, and an adaptive coding and modulation selected in accordance with the information pertaining to the CQI.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: March 29, 2022
    Assignee: BlackBerry Limited
    Inventors: Wen Tong, Ming Jia, Jianming Wu, Dong-Sheng Yu, Peiying Zhu
  • Patent number: 11290965
    Abstract: A user terminal according to one aspect of the present disclosure includes: a transmitting section that performs transmission by using a plurality of Radio Access Technologies (RATs); a receiving section that receives allocation configuration information including a plurality of pieces of information each related to an allocation of maximum transmission power for each of the plurality of RATs; and a control section that determines an allocation of maximum transmission power of each of the plurality of RATs from a plurality of allocations, based on the allocation configuration information. According to one aspect of the present disclosure, reduction of throughput and so on can be prevented even when a plurality of RATs are used.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: March 29, 2022
    Assignee: NTT DOCOMO, INC.
    Inventor: Ryosuke Osawa
  • Patent number: 11290166
    Abstract: An electronic device and an operation method of an electronic device are provided. The electronic device includes at least one mmWave antenna module configured to include a plurality of antennas, a camera capable of measuring a distance between an external object and the electronic device, a communication processor configured to be operationally connected to the at least one mmWave antenna module, and an application processor configured to be operationally connected to the camera and the communication processor.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: March 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minjeong Kim, Hojong Kim, Jaeyoung Huh, Sungchul Park
  • Patent number: 11290892
    Abstract: A communication control device includes a processor coupled to the memory, the processor configured to set an acceptable interference amount that is acceptable for a secondary system using a radio wave in a predetermined frequency band allocated to a primary system, with respect to the primary system. The processor accommodates at least a part of a second margin to a different communication control device on the basis of information on a desired interference acceptable amount received from the different communication control device, the second margin being generated at the time of setting the acceptable interference amount and obtained by subtracting a first margin that is allocated to a secondary system managed by the subject device from a total interference margin that is set in the subject device.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: March 29, 2022
    Assignee: SONY CORPORATION
    Inventor: Sho Furuichi
  • Patent number: 11283502
    Abstract: According to an aspect, there is provided a beamforming processing apparatus for a radio transmitter or receiver including an antenna array. The beamforming processing apparatus includes circuitry configured for maintaining, in a database, information on radiation properties of the antenna array and probability density functions for target device positions. The radiation properties of the antenna array include beam parameters and a beam parameter dependent beam gain function. The beamforming processing apparatus includes circuitry configured for calculating cumulative distribution functions of beam gain based on the probability density functions and the beam gain function and based thereon one or more optimal values of beam parameters defining an optimal beam by maximizing a first optimization parameter defined based on the one or more cumulative distribution functions subject to a minimum value of a second optimization parameter.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: March 22, 2022
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Tero Johannes Ihalainen, Toni Levanen, Jukka Olavi Talvitie
  • Patent number: 11283503
    Abstract: This application provides a communication method, a terminal device, and a network device. The method includes the steps of: receiving, by the terminal device, configuration information, where the configuration information is used to instruct the terminal device to jointly report channel state information (CSI) for at least two groups of channel state information-reference signal (CSI-RS) resources; receiving, by the terminal device, CSI-RSs carried on the at least two groups of CSI-RS resources; and jointly reporting, by the terminal device, CSI based on a result of measuring the CSI-RSs carried on the at least two groups of CSI-RS resources. According to embodiments of this application, transmission performance can be improved.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: March 22, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Ting Wang, Liuliu Ji, Shengyue Dou, Jinyao Liang, Yuanjie Li
  • Patent number: 11283563
    Abstract: A method of power saving for a wireless transceiver (FIGS. 1 and 2) is disclosed. The transceiver has an active power mode (504) and a reduced power mode (510). The transceiver is operated in the reduced power mode (510) and monitors transmissions from a remote wireless transmitter while in the reduced power mode. The transceiver identifies a transmission from the remote wireless transmitter by a transceiver identity included in the transmission (FIG. 6, UE identification). The transceiver transitions to the active power mode (512) in response to identifying the transmission.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: March 22, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Timothy Mark Schmidl, Eko Nugroho Onggosanusi, Anand Ganesh Dabak, Aris Papasakellariou
  • Patent number: 11273684
    Abstract: A method for autonomous climate control optimization of a transport vehicle having a climate control system is provided. The method includes a controller receiving geolocation specific data providing location information of the transport vehicle. The method also includes the controller receiving climate control data providing operational status information of the climate control system. The method also includes the controller receiving passenger/load data providing passenger/load information travelling in the transport vehicle. Also, the method includes the controller generating adjustment instructions of the climate control system based on the geolocation specific data, the climate control data, and the passenger/load data. Further, the method includes adjusting operation of the climate control system based on the adjustment instructions.
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: March 15, 2022
    Assignee: Thermo King Corporation
    Inventors: Katherine Holmstrom, Scott Wenger
  • Patent number: 11277173
    Abstract: A distributed antenna system for providing extended signal coverage within an indoor area is disclosed. In the system, a master unit receives a first modulated signal from an outdoor base transceiver station, and relays the modulated signal to a remote unit through a distribution network. The master unit also receives a base band signal originating outside the indoor area, and transmits the baseband signal to a micro base transceiver station through the distribution network. The micro base transceiver station modulates the base band signal and transmits the modulated base band signal to a terminal unit through an indoor antenna.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: March 15, 2022
    Inventor: Ricardo Matias de Goycoechea
  • Patent number: 11277841
    Abstract: In one embodiment, a method includes: sending, by a first communications device, B synchronization signal blocks to a second communications device by using A transmit beams, where each of the B synchronization signal blocks includes an identifier of the first communications device and receive beam time sequence information of the first communications device, and wherein the receive beam time sequence information indicates a time sequence location at which the first communications device receives feedback information; receiving first feedback information from the second communications device based on the time sequence location by using C receive beams; determining a first receive beam based on a receive beam that is in the C receive beams and on which the first feedback information is received; and determining a first transmit beam based on the first receive beam or the first feedback information, where the first transmit beam belongs to the A transmit beams.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: March 15, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Pu Yuan, Jun Luo, Zhengzheng Xiang
  • Patent number: 11272009
    Abstract: A computing device includes an interface configured to interface and communicate with a storage network, a memory that stores operational instructions, and processing circuitry operably coupled to the interface and to the memory. The processing circuitry is configured to execute the operational instructions to perform various operations and functions. The computing device determines to execute maintenance operations on a set of memory devices, selects a subset of the set of memory devices for the maintenance operations and initiates execution of the maintenance operations on the subset of memory devices.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: March 8, 2022
    Assignee: PURE STORAGE, INC.
    Inventor: Thomas D. Cocagne
  • Patent number: 11271625
    Abstract: Disclosed are a method for transmitting and receiving channel state information in wireless communication system and an apparatus therefor. Specifically, a method for transmitting, by a user equipment (UE), Channel State Information (CSI) in a wireless communication system may include: receiving, from a base station, a channel state information reference signal (CSI-RS) through multiple antenna ports; and reporting, to the base station, CSI, in which the CSI may include selection information indicating a plurality of codewords used for generating a precoding matrix in a codebook for reporting the CSI, and a power coefficient, a phase offset, and a phase shift value applied to each of the plurality of codewords in terms of a configured bandwidth, and the precoding matrix may be generated in units of subbands within the configured bandwidth based on a linear combination of the power coefficient, the phase offset, and the phase change value.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: March 8, 2022
    Assignee: LG Electronics Inc.
    Inventors: Haewook Park, Kijun Kim, Sangrim Lee
  • Patent number: 11272381
    Abstract: Pattern recognition and classification of packet error characteristics for Multi-user Multiple Input Multiple Output (MU-MIMO) optimization may be provided. First, a packet error characteristic data of a channel for a Downlink (DL) Multi-user (MU) group may be received. Next, the received packet error characteristic data may be provided as input data to a classifier model. Then, in response to providing the received packet error characteristic data as the input data to the classifier model, output data may be received from the classifier model. The output data may indicate at least one probability value corresponding to at least one channel effect. An optimization for improving performance of DL MU-MIMO in the presence of the at least one channel effect may then be performed when the at least one probability value is above or below a predetermined level.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: March 8, 2022
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Qing Zhao, Benjamin Jacob Cizdziel, Gautam Dilip Bhanage
  • Patent number: 11271681
    Abstract: Embodiments of the disclosure provide a transmission system, including: an encoder for encoding a set of information symbols into a set of encoded signals for transmission, wherein the encoder applies a full-diversity space-time block code (STBC) to the set of information symbols; and at least three antennas for transmitting the set of encoded signals over four epochs at a code rate of two.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: March 8, 2022
    Assignee: ANDRO COMPUTATIONAL SOLUTIONS, LLC
    Inventors: Anu Jagannath, Jithin Jagannath, Andrew Louis Drozd