Noise, Distortion, Or Singing Reduction Patents (Class 455/501)
  • Patent number: 11350424
    Abstract: Methods are provided for managing frequency channels in a shared spectrum available to a radio local access network (RLAN) access point (AP) in a wireless network. The methods may comprise receiving a request for channel availability from the RLAN AP to access the shared spectrum, computing, based on a plurality of parameters associated with the RLAN AP, an RLAN service area (RSA) associated with the RLAN AP, retrieving one or more incumbent protection contours (IPCs) associated with one or more incumbent users in the wireless network, identifying an IPC, among the one or more retrieved IPCs, that overlaps with the RSA associated with the RLAN AP, determining, based on the identified IPC, available frequency information corresponding to the received request for channel availability, and transmitting, to the RLAN AP, a channel availability response comprising the available frequency information.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: May 31, 2022
    Assignee: Federated Wireless, Inc.
    Inventors: Samuel Jay Macmullan, Michael Oliver Ghorbanzadeh, James Ni, Kurt Schaubach
  • Patent number: 11329679
    Abstract: Methods and systems for interference management are described. Methods and systems can be used for minimizing interference among communication and/or electronic devices. Interference data can be gathered/received from interference sources such as weather and natural patterns, various electronic devices, and one or more network protocols. The interference data can be used to generate interference patterns of each interference source in an interference map. The interference map can be used to determine how a particular interference pattern can affect a system. The interference map can also be used to evaluate a new source of interference (e.g., cordless phones, weather conditions) to determine how a system can be affected. The interference data can also be associated with an interference signature (e.g., an interference pattern, a fingerprint) for an interference source in a database. The database can be used based on the interference signature to identify known and/or unknown interference sources.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: May 10, 2022
    Assignee: COMCAST CABLE COMMUNICATIONS MANAGEMENT, LLC
    Inventors: Erami Botchway, Phillip Chang, Mark Francisco, Jim Poder, Jorge Salinger
  • Patent number: 11324012
    Abstract: The present disclosure relates to a method performed by a BS for facilitating IC at a UE and an associated BS. The method includes predefining one or more sets of transmission parameters, where one or more of the transmission parameters in the one or more sets are constrained to take values from respective reduced sets of values out of the values available for the respective one or more transmission parameters, each set of the one or more sets of transmission parameters being identifiable by a unique indication. The method further includes configuring a transmission of the BS, which is to interfere downlink transmissions to the UE from a serving BS of the UE, by using one of the predefined one or more sets of transmission parameters. The present disclosure also relates to a method in a UE for IC and an associated UE.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 3, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Shaohua Li, Xinghua Song, Jianfeng Wang, Haochuan Zhang, Zhan Zhang, Zhang Zhang, Zhenshan Zhao
  • Patent number: 11323172
    Abstract: A communication device for performing magnetic interference cancellation comprises: a baseband unit including a first transmission chain and a second transmission chain; a first distributed radio unit (RU) connected to the first transmission chain and set to a transmit (Tx) mode; and a second distributed RU connected to the second transmission chain and set to a receive (Rx) mode, wherein the baseband unit includes a phase correction unit, connected to the first transmission chain and the second transmission chain, for performing phase correction for the magnetic interference cancellation on a signal transmitted from the first transmission chain, and the second transmission chain is configured to transmit a signal output from the phase correction unit to the second distributed RU, the second distributed RU uses a signal that was output from the phase correction unit and has passed through the second transmission.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: May 3, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongkyu Kim, Ilmu Byun, Sangrim Lee
  • Patent number: 11323164
    Abstract: An operation method of a first AN for a hybrid beamforming-based cooperative transmission in a C-RAN includes obtaining a spatial channel covariance with terminals subject to a service; selecting a set of terminals to be serviced from among the terminals subject to the service; determining a radio frequency (RF) precoding matrix by which interference between the terminals to be serviced is minimized; transferring information on the determined RF precoding matrix to a centralized processor (CP); and generating an effective channel by configuring an RF precoder based on the determined RF precoding matrix.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: May 3, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Eun Hong, In Kyeong Choi, Tae Gyun Noh
  • Patent number: 11277853
    Abstract: A system and method including at least one wireless adapter for communicating on a plurality of available wireless links concurrently operating within a shared and licensed communication frequency band and an application processor executing code instructions of a radio resource management system for determining a plurality of optimal wireless links from the plurality of available wireless links within the shared communication frequency band at a location based on a spatial-temporal radio frequency profile indicating signal quality for the plurality of available wireless links.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: March 15, 2022
    Assignee: Dell Products, LP
    Inventors: Will A. Egner, Liam B. Quinn
  • Patent number: 11228867
    Abstract: Methods and techniques are described for supporting location services for a user equipment (UE) in a Fifth Generation wireless network in which a base station, such as a gNB or ng-eNB, broadcasts a Positioning Reference Signal (PRS) in a plurality of different directions and at a plurality of different times. A PRS muting configuration is used in which PRS is muted using a time based and angle based pattern to prevent interference between beams transmitted by other base stations and/or to prevent interference between beams transmitted simultaneously by a single base station. The time based and angle based muting pattern, for example, may provide an indication for each direction in the plurality of different directions and for each time in the plurality of different times and as to whether the PRS is transmitted or muted by the base station.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: January 18, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Akash Kumar, Stephen William Edge
  • Patent number: 11228474
    Abstract: A method of recovering information encoded by a modulated sinusoidal waveform having first, second, third and fourth data notches at respective phase angles, where a power of the modulated sinusoidal waveform is reduced relative to a power of an unmodulated sinusoidal waveform within selected ones of the first, second, third and fourth data notches so as to encode input digital data. The method includes receiving the modulated sinusoidal waveform and generating digital values representing the modulated sinusoidal waveform. A digital representation of the unmodulated sinusoidal waveform is subtracted from the digital values in order to generate a received digital data sequence, which includes digital data notch values representative of the amplitude of the modulated sinusoidal waveform within the first, second, third and fourth data notches. The input digital data is then estimated based upon the digital data notch values.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: January 18, 2022
    Assignee: TeraWave, LLC
    Inventor: Torsten Schultze
  • Patent number: 11228413
    Abstract: An operation method of an electronic device includes determining whether a first communication module based on a first radio access technology (RAT) and a second communication module based on a second RAT operate in a connected state; determining whether a combination of a first band used by the first communication module and a second band used by the second communication module is a combination causing interference; and if the combination of the first band and the second band is a combination causing interference, transmitting a signal requesting to change one of the first band or the second band. The interference is caused by at least one transmission signal of the first RAT or at least one other signal derived from the at least one transmission signal.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: January 18, 2022
    Inventors: Yongjun An, Soon Park, Kyuhyuck Kwak, Janghyun Nam, Jonghun Yoo, Taeyun Lee, Haekwon Lee, Hyoseok Na
  • Patent number: 11206560
    Abstract: A wireless relay mitigates cross-relay interference when serving wireless user devices. A network transceiver detects wireless access points and determines signal strengths for the wireless access points. The network transceiver transmits test signals to the wireless access points and directs a user transceiver to detect interference levels during the test. The network transceiver uses the interference level reported by user transceiver to calculate the interference level it would receive from the transmitter of user transceiver with a certain algorithm. The network transceiver selects wireless access points based on their signal strength and calculated cross-relay interference levels. The network transceiver exchanges user data with the selected wireless access points. The user transceiver exchanges the user data with the wireless user devices.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: December 21, 2021
    Assignee: Sprint Communications Company L.P.
    Inventors: Amrit Kumar Chandra, Liang Li, Charles Anthony Manganiello, Kristian Kai Johns, David Z. Sun, Jay Ronald Chernoff, Neehar Shrikant Kulkarni, Mayur Shirwadkar
  • Patent number: 11190242
    Abstract: The present invention relates to a method for communicating in a network, the network comprising at least a first cell and a second cell including respectively a first primary station having a first antenna array dedicated to the first cell and a second primary station having a second antenna array dedicated to the second cell, for communicating with a plurality of secondary stations, the method comprising the step of (a) providing with a co-operative beamforming transmission from the first and second primary stations to at least one first secondary station, wherein step (a) includes (a1) the first secondary station signaling at least one channel matrix to at least one of the first and second primary stations, and (a2) the first and second primary stations applying a precoding matrix across both the first antenna array and the second antenna array, and wherein the precoding matrix comprises a first vector for the first cell and a second vector for the second cell, the precoding matrix being based on the at le
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: November 30, 2021
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Timothy James Moulsley, Choo Chiap Chiau
  • Patent number: 11184099
    Abstract: A terminal apparatus includes a receiver configured to receive a reference signal corresponding to a first subframe set constituted by one or a plurality of subframes and a first physical broadcast channel corresponding to the first subframe set, wherein, the reference signal corresponding to the first subframe set is regarded as transmitted using the same antenna port, and an antenna port used for transmitting the reference signal corresponding to the first subframe set and a first antenna port used for transmitting the first physical broadcast channel corresponding to the first subframe set are regarded as the same antenna port.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: November 23, 2021
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Hidekazu Tsuboi, Shohei Yamada, Kazunari Yokomakura, Hiroki Takahashi, Tatsushi Aiba
  • Patent number: 11165706
    Abstract: A method of cross-layer opportunistic routing for Internet of Vehicles based on decentralized congestion control strategy includes the following steps. Design a multi-state decentralized congestion control state machine. Record, by each vehicle, a current state value, and calculate a medium access control layer channel load (CL) and an average state value (AS) of all neighbor nodes. Adaptively adjust the current state machine in combination with relationships between a CL statistical value and a preset threshold and between the s and the AS, thereby controlling a transmit power, a transmit data rate and a receiver sensitivity of Cooperative Awareness Message (CAM) and routing message. Utilize, by the vehicle node, CAM to update state information of the neighbor nodes in real time, and select to perform greedy forwarding or opportunistic forwarding of routing message according to location relationships among the vehicle node, the neighbor nodes and a target node.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: November 2, 2021
    Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Binjie Hu, Tao Zhang, Jiayuan Du
  • Patent number: 11160034
    Abstract: Systems and methods for a self-calibrating and self-adjusting network are disclosed. In one embodiment, a method is disclosed, comprising: obtaining a signal strength parameter for a mobile device at a base station; obtaining a position of the mobile device at the base station; and associating the position and the signal strength parameter in a database. The method may further comprise one or more of: adjusting transmission power for the mobile device at the base station based on the associated position and signal strength parameter; computing the position of the mobile device at the base station; calculating an average of the signal strength parameter over a time window, and storing the average associated with the position. The signal strength parameter may include at least one of a block error rate (BLER) and a radio signal strength indicator (RSSI), and the position may be a global positioning system (GPS) position.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: October 26, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Sridhar Donepudi, Steven Paul Papa, Simon Mellor
  • Patent number: 11129137
    Abstract: A method for selecting one or more resources for use from among a set of resources comprises obtaining (201) a first sub-set of the resources. The resources belonging to the first sub-set are the ones which have, according to occupancy information gathered over a long period of time, highest probabilities of matching requirements related to estimated usage time and/or needed capacity. The method further comprises selecting (202) a second sub-set from among the first sub-set of the resources on the basis of second occupancy information gathered over a short period of time. The resources belonging to the second sub-set are the ones from among the first sub-set which, according to the second information, have highest probabilities of matching requirements related to estimated usage time and/or needed capacity. The subsequent use of the long and short term occupancy information increases the probability of optimal selection.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: September 21, 2021
    Assignee: Teknologian tutkimuskeskus VTT Oy
    Inventors: Marko Hoyhtya, Heli Sarvanko, Johanna Vartiainen
  • Patent number: 11115105
    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). Embodiments herein achieve a UE for managing a user plane operation in a wireless communication system. The UE includes a user plane management unit coupled to a memory and a processor. The user plane management unit is configured to receive a signaling message from a gNodeB. Further, the user plane management unit is configured to determine whether the signaling message includes control information comprising one of a PDCP re-establish indication and a security key change indication. Further, the user plane management unit is configured to perform the at least one operation for at least one data radio bearer based on the determination.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: September 7, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Anil Agiwal, Mangesh Abhimanyu Ingale
  • Patent number: 11108439
    Abstract: Embodiments of the present invention provide an apparatus and method for a MAP wireless network that includes a collaborative channel sounding measurement phase to determine channel state information between devices (e.g., the channel state between an STA and a collaborative AP) for efficient configuration of the MAP wireless network and to improve the performance of the MAP wireless networks. The wireless AP and wireless STAs associated with the collaborative APs can simultaneously transmit by applying collaborative beamforming where the interferences between channels nullify each other (e.g., nulling), and the beamforming is performed based on a sounding phase performed by the collaborative APs. The sounding protocol can include a collaborative sounding measurement phase and a collaborative sounding feedback report phase, using Null Data Packets (NDPs), for example, as described herein according to embodiments of the present invention.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: August 31, 2021
    Assignee: MediaTek Singapore Pte. Ltd.
    Inventors: Yongho Seok, Jianhan Liu, James Chih-Shi Yee, Thomas Edward Pare, Jr.
  • Patent number: 11109207
    Abstract: Long-range, narrowband transmission using near vertical incidence skywave (NVIS) or other communications relying upon reflection off of the ionosphere to facilitate communications is contemplated, such as to enable low-power, low-rate wireless transmission of data from sensors, IoT devices or other componentry over large distances.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: August 31, 2021
    Assignee: Cable Television Laboratories, Inc.
    Inventor: Mario Di Dio
  • Patent number: 11095411
    Abstract: Various features described herein relate to DM-RS design for a control channel and a data channel that maybe used for vehicular communications. In an aspect, a UE may determine a base DM-RS sequence associated with a control channel for V2V communication. The UE may further determine a DM-RS sequence based on the base DM-RS sequence and an identity of the UE, and transmit a plurality of DM-RS symbols within the control channel in a subframe using the DM-RS sequence. In another aspect, a UE may generate a plurality of DM-RS sequences, each DM-RS sequence maybe generated for a corresponding DM-RS symbol of a plurality of DM-RS symbols associated with a data channel for V2V communication based on a DM-RS symbol number of the corresponding DM-RS symbol. The UE may transmit the plurality of DM-RS symbols within the data channel in a subframe using the plurality of DM-RS sequences.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: August 17, 2021
    Assignee: QUALCOMM INCORPORATED
    Inventors: Libin Jiang, Shailesh Patil
  • Patent number: 11057782
    Abstract: A multi-cell coordination system and a channel calibration method thereof are provided. A reference apparatus receives a beam-precoding downlink reference signal via a directional beam from a base station. The base station receives a beam-precoding uplink reference signal via the directional beam from the reference apparatus. The server receives uplink and downlink channel information, where the uplink channel information is generated based on the uplink reference signal, and the downlink channel information is generated based on the downlink reference signal. The server obtains a channel calibration coefficient according to the uplink and downlink channel information. The channel calibration coefficient is used for estimating a downlink channel. Accordingly, the problem of conventional coordination system can be solved, and the embodiment can be implemented in multi-beam base station.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: July 6, 2021
    Assignee: Sercomm Corporation
    Inventors: Kun-Lin Chiang, Jia-Ming Chen
  • Patent number: 11050888
    Abstract: A system and method in various embodiments implements a virtual spectrum band stacking technique facilitating spectrum sharing by converting and combining spectrum bands consisting of several different RF channels, common air interfaces, and radio channel protocols in the radio frequency channel domain to form IP Virtual Radio Channels (IP-VRCs) in the packet data domain. This virtual spectrum stacking technique combines the transmissions of contiguous and non-contiguous RF channels with differing physical layers into IP-VRCs. This technique enables simultaneous parallel high-speed wireless transmission; virtual radio channel hopping for enhanced security; and customized security schemes for different IP-VRC Groups. The deployment of the combination of IP-VRC Groups; Universal “Small Cell” Base Stations; and Universal Wireless End-Point Devices allows the aggregation of all available spectrum bands for use within a building environment.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: June 29, 2021
    Assignee: incNETWORKS, Inc.
    Inventors: Jesse E. Russell, Robert R. Miller, II
  • Patent number: 11026098
    Abstract: The present disclosure relates to an electronic device, a wireless communication method and computer-readable medium. According to one embodiment, an electronic device used for wireless communication comprises a processing circuit. The processing circuit is configured to: estimate the communication service modes for a user equipment within a target time segment on the basis of a time-variant multi-status model; and on the basis of the estimated communication service modes, to determine the size of a primary user protection area to be applied to the user equipment.
    Type: Grant
    Filed: September 30, 2018
    Date of Patent: June 1, 2021
    Assignee: SONY CORPORATION
    Inventors: Youping Zhao, Kangyi Liu, Chen Sun, Xin Guo
  • Patent number: 11025399
    Abstract: Various communication systems may benefit from improved reduction of cross link interference. For example, certain embodiments may benefit from cross link interference suppression. A method, in certain embodiments, may include receiving, by a first network entity, at least one downlink precoder map from a second network entity over at least one interface. The method may also include estimating, by the first network entity, at least one basis of at least one common spatial sub-space associated with at least one, or all, identified BS-BS CLI source. In addition, the method may include for each reception associated with the first network entity, spatially projecting, by the first network entity, at least one interference rejection combining estimated interference covariance matrix into at least one orthogonal projector sub-space.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: June 1, 2021
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Ali Esswie, Klaus Pedersen
  • Patent number: 11012178
    Abstract: Embodiments of the present invention provide a downlink information transmission method, a base station, and user equipment. The method includes: sending, by a first base station, downlink information by using a first period according to a first pattern; sending, by the first base station, the downlink information by using a second period according to the first pattern, or by using the first period according to a second pattern, or by using a second period according to a second pattern when the first base station determines to change a transmission period and/or a transmission pattern of the downlink information, where the second period is less than the first period, and OFDM symbols occupied by the second pattern are more than OFDM symbols occupied by the first pattern. The present invention is applicable to the field of communications technologies.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: May 18, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiaoying Xu, Xiaoxiao Zheng, Qufang Huang
  • Patent number: 11013065
    Abstract: The present invention discloses a downlink interference management method, applied to interference coordination between a serving base station of a cell serving at least one first user equipment and a neighboring-cell base station of the cell, including: obtaining, by the serving base station, downlink interference overload information, where the downlink interference overload information is used to indicate an interfered-with transmission resource of the first user equipment; and sending, by the serving base station, the downlink interference overload information to the neighboring-cell base station, so that the neighboring-cell base station performs interference coordination on the transmission resource. The downlink interference overload information sent by the serving base station to the neighboring-cell base station may instruct the neighboring-cell base station to perform interference coordination on the interfered-with transmission resource.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: May 18, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jietao Zhang, Xiong Zhou, Hongcheng Zhuang
  • Patent number: 11012212
    Abstract: A method and a system of setting up a reference signal in a radio communication system are disclosed. The radio communication system includes a serving cell and a neighboring cell, and a mobile terminal of the serving cell uses the same temporal frequency resource to receive a serving resource block from the serving cell and an interference resource block from the neighboring cell. The method includes setting up a user-specific reference signal in the interference resource block and puncturing at the same temporal frequency position as the temporal frequency position at which the user-specific reference signal is set up on the interference resource block of the serving resource block to prevent any signal from being transmitted at the punctured temporal frequency position. When the method and the system are used and the interference power between cells is measured, it is possible to effectively reduce feedback overhead in a coordinated beamforming.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: May 18, 2021
    Assignee: Sun Patent Trust
    Inventors: Hui Tong, Ming Xu, Masayuki Hoshino, Daichi Imamura
  • Patent number: 11011150
    Abstract: A method for eliminating noises collected by an electronic device when voice recordings are being taken detects whether the electronic device is in a voice recording mode. A first acquiring device is controlled to acquire the speaking voices of at least one user, when determining that the electronic device is in the voice recording mode. A determination is made as to whether the speaking voices of at least one user acquired by the first acquiring device include noises produced by the vibration device, and eliminating noises produced by the vibration device, when the speaking voices of at least one user acquired by the first acquiring device include the noises produced by the vibration device.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: May 18, 2021
    Assignees: HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Shi Jia, Jun-Wei Zhang, Jun Zhang, Yi-Tao Kao
  • Patent number: 10979188
    Abstract: Embodiments of the present disclosure provide, among other implementations, sequence determining methods. One example method provides a sequence group, and one sequence group number is corresponding to at least two sequences, where one sequence is used for mapping to consecutive subcarriers, and at least one other sequence is used for mapping to equally-spaced subcarriers. In some embodiments of the present disclosure, as high as possible cross-correlation between a sending signal obtained after equally-spaced mapping is performed on a sequence in a sequence group can be determined, and a sending signal obtained after continuous mapping is performed on another sequence in the group.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: April 13, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Mingxin Gong, Hao Sun, Bingyu Qu
  • Patent number: 10958489
    Abstract: A wireless communication method including receiving, through a wireless channel, table indication information indicating one of a first Modulation and Coding Scheme (MCS) table supporting up to 64 Quadrature Amplitude Modulation (QAM) and second and third MCS tables supporting up to 256 QAM, the third MCS table including a same number of MCS indices as the second MCS table and including less MCS indices corresponding to 256 QAM than the second MCS table, and identifying one of the first to third MCS tables according to the received table indication information to recognize a demodulation scheme for data to be received through the wireless channel may be provided.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: March 23, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yangsoo Kwon, Jeong hun Kim, Young-seok Jung, Min-goo Kim, In-hyoung Kim, Jong-hun Rhee
  • Patent number: 10938487
    Abstract: An illustrative example vehicle to everything (V2X) system includes at least one V2X antenna and a V2X transceiver coupled with the V2X antenna. The V2X transceiver is configured to communicate using a first frequency band. A receiver is configured to receive communications on at least a second frequency band that is different than the first frequency band. A controller is configured to selectively cause the receiver to be configured to receive communications on the first frequency band and determine a condition of at least one of the V2X transceiver and the V2X antenna based on an indication from the receiver regarding any communication received by the receiver on the first frequency band from the V2X transceiver and the V2X antenna.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: March 2, 2021
    Assignee: Aptiv Technologies Limited
    Inventors: Christopher D. Ruppel, Sunil Lingamurthy Javali
  • Patent number: 10939368
    Abstract: A method in a terminal for inter RAT access selection is provided. The terminal is capable to operate in one or more RATs. The terminal receives (201) (202), from a network node, one or more dedicated parameters relating to inter RAT access selection, and one or more broadcasted parameters relating to inter RAT access selection. The one or more broadcasted parameters correspond to the respective one or more dedicated parameters. The one or more broadcasted parameters relates to inter RAT access selection. The terminal then acts (203) for inter RAT access selection according to any one out of: —one or more updated dedicated parameters, updated based on changes to corresponding one or more broadcast parameters, and—any one out of the one or more received dedicated parameters, updated dedicated parameters, or corresponding broadcasted parameters, based on whether one or more conditions are fulfilled or not.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: March 2, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mattias Tan Bergström, Magnus Stattin
  • Patent number: 10931328
    Abstract: Upstream (US) funneling noise suppression may be provided. First, a signal comprising a plurality of mini-slots in a two dimensional time frequency space may be received by a funneling noise suppressor. Next, the power level in each of the plurality of mini-slots may be determined. The received signal may then be outputted. Outputting the received signal may comprises outputting the received signal with mini-slots muted in the received signal that have a power level less than a predetermined threshold.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: February 23, 2021
    Assignee: CISCO TECHNOLOGY, INC.
    Inventor: Hang Jin
  • Patent number: 10903897
    Abstract: A method is provided for controlling a signal transmission power of at least one of an unmanned aerial vehicle (“UAV”) or a remote control device. The method includes determining whether a remote control distance between the UAV and the remote control device increases or decreases. The method also includes increasing or maintaining a signal transmission power of at least one of the UAV or the remote control device if the remote control distance increases. The method further includes decreasing or maintaining the signal transmission power of at least one of the UAV or the remote control device if the remote control distance decreases.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: January 26, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Dong Li, Renqin Deng, Jianping Wei
  • Patent number: 10893422
    Abstract: An apparatus, method, and computer program are disclosed for selecting an optimal small cell base station (“small cell”) for a UE within wireless communication range of a macro cell base station (“macro cell”). The apparatus includes a processor for the macro cell and a memory storing program code executable to cause the macro cell to receive measurements of co-frequency interference between individual small cells of a group within wireless communication range of the macro cell, receive signal strength measurements for the small cells from a user equipment (“UE”) within wireless communication range of the macro cell, and select one of the small cells of the group as an optimal base station for the UE, based on the signal strength measurements received from the UE for the individual small cells and on measurements of co-frequency interference between the individual small cells. A method and computer program perform functions of the apparatus.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: January 12, 2021
    Assignee: Lenovo (Beijing) Co. LTD
    Inventor: Xuefeng Lai
  • Patent number: 10885907
    Abstract: An audio device has an array of microphones and a voice processing system that obtains a multi-dimensional spatial feature vector comprising at least a correlation of the microphones and a calculation of at least one ratio of energies of the microphones, uses the multi-dimensional feature vector to estimate an energy of near-field speech and background noise, uses a ratio of the near-field speech energy and background noise estimates to estimate a probability of a presence of the near-field speech, adaptively combines signals from the microphones based on the estimated near-field speech presence probability to provide a combined output signal comprising a near-field speech signal and a residual background noise signal, estimates a power spectral density of the residual background noise signal present at the combined output signal using the estimated near-field speech presence probability, and reduces the background noise by using the estimated power spectral density.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: January 5, 2021
    Assignee: Cirrus Logic, Inc.
    Inventor: Samuel P. Ebenezer
  • Patent number: 10856353
    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) operating in a narrowband communications system with a base station may identify a radio link failure (RLF) and then initiate a radio resource control (RRC) connection reestablishment procedure to reconnect with the base station. As part of the connection reestablishment procedure, the UE may transmit a reestablishment complete message to the base station to indicate the connection reestablishment procedure is successful and include a measurement report related to downlink signals received from the base station in the reestablishment complete message. In some cases, the measurement report may include an indication of downlink signal strength and downlink signal quality. As such, the UE may transmit the measurement report in a single RRC message after identifying the RLF. Based on the measurement report, the base station may then perform network planning.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: December 1, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Raghuveer Ramakrishna Srinivas Tarimala, Liangchi Hsu
  • Patent number: 10841805
    Abstract: Methods, systems, and devices for wireless communications are described. An access point of a secondary cluster may identify a first set of access points of a primary cluster scheduled to perform downlink transmissions over a shared radio frequency spectrum band during a transmission opportunity. The access point may identify a second set of access points and may select a first set of blacklisted stations associated with the secondary cluster for the transmission opportunity. In some cases, the selecting is based on the first set of access points and the second set of access points. The access point may then selectively perform at least one downlink transmission to a second set of stations associated with the secondary cluster during the transmission opportunity. In some examples, the second set of stations is based on the first set of blacklisted stations.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: November 17, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Yisheng Xue, Siddhartha Mallik, Weiliang Zeng, Aleksandar Damnjanovic, Tamer Kadous
  • Patent number: 10833736
    Abstract: A hybrid beamforming based cooperative transmission system may comprise comprising a centralized processor (CP), access nodes (ANs) connected to the CP, and fronthaul links connecting the CP to the ANs. The CP may provide an outer precoding matrix for a first AN of the ANs, which is derived from global statistical channel state information (CSI) generated from local statistical CSI collected from the ANs, to the first AN via the fronthaul link; and the first AN may configure a radio frequency (RF) precoder of the first AN based on the outer precoding matrix, and configure a digital precoder of the first AN based on local instantaneous effective CSI between the first AN and first terminals to be served by the first AN.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: November 10, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Eun Hong, Min Hyun Kim, Tae Gyun Noh, In Kyeong Choi
  • Patent number: 10827476
    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may determine a control resource set configuration for transmissions using a single carrier waveform. The control resource set configuration may include one or more pilot regions and one or more control channel regions. The UE may monitor one or more of the pilot signal regions to identify pilot signals based at least in part on the control resource set configuration, and decode one or more control signals in the control channel regions based at least in part on the pilot signals. The control signals may be included in a control channel region associated with the pilot signal region or in a shared control channel region.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: November 3, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Kapil Bhattad, Jing Sun, Xiaoxia Zhang, Tao Luo
  • Patent number: 10820215
    Abstract: The present invention provides a distributed antenna system for automatically detecting an abnormally operating node unit. According to an embodiment of the present invention, a node unit of the distributed antenna system includes a signal input unit configured to receive and output first through n-th state information from n other node units connected to the node unit, where n is a natural number greater than or equal to 2; and a controller configured to analyze the first through n-th state information and to determine states of uplink signals respectively corresponding to the first through n-th state information. Each of the n other node units may analyze a signal received through a service antenna and generate the state information.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: October 27, 2020
    Assignee: SOLiD, INC.
    Inventors: Youngman Cho, Doyoon Kim, Jinhwa Ku, Hyoungho Kim
  • Patent number: 10813056
    Abstract: A radio terminal according to one embodiment comprises a controller configured to receive first control information for receiving, by the radio terminal, a special downlink control channel. The special downlink control channel carries control information to the radio terminal from a first cell with no connection for transmitting and receiving user data being established. The controller directly receives second control information for reducing an uplink interference in the first cell, on the special downlink control channel, from the first cell.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: October 20, 2020
    Assignee: KYOCERA Corporation
    Inventors: Hiroyuki Urabayashi, Fangwei Tong, Atsuhisa Inakoshi, Chiharu Yamazaki
  • Patent number: 10778369
    Abstract: A method and device for acquiring Channel State Information (CSI) are provided. In the method, a second node receives a first-type signal and/or a second-type signal sent by a first node; the second node acquires CSI based on measurement of the first-type signal and the second-type signal, or based on measurement of the second-type signal only; the first-type signal may include a measurement Reference Signal (RS), and the second-type signal may include one of: a demodulation RS, a data sharing channel signal, and a signal combination of the data sharing channel signal and the demodulation RS; the second node feeds back the CSI to the first node.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: September 15, 2020
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Zewei Chen, Jun Xu, Yu Ngok Li
  • Patent number: 10778169
    Abstract: Provided is a power amplification module that includes: a first amplification circuit that amplifies a first signal and outputs the amplified first signal as a second signal; a second amplification circuit that amplifies the second signal and outputs the amplified second signal as a third signal; and a feedback circuit that re-inputs/feeds back the second signal outputted from the first amplification circuit to the first amplification circuit as the first signal. The operation of the first amplification circuit is halted and the first signal passes through the feedback circuit and is outputted as the second signal at the time of a low power output mode.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: September 15, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Shota Ishihara
  • Patent number: 10764017
    Abstract: A method of an evolved Node B (eNB) in a wireless environment is provided. The method includes receiving, from a user equipment (UE), a plurality of channel state information (CSI) feedback respectively corresponding to a plurality of CSI processes that are respectively allocated a plurality of precoding matrix indexes (PMIs), determining a modulation and coding scheme (MCS) value based on the plurality of received CSI feedback, and transmitting, to the UE, data modulated based on the determined MCS value by cyclically using the plurality of PMIs, wherein the plurality of CSI feedback may each include information on a channel quality indication (CQI) as to a PMI allocated to a CSI process corresponding to each of the plurality of CSI feedback.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: September 1, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngwoo Kwak, Hoondong Noh
  • Patent number: 10757660
    Abstract: Systems and methods for a self-calibrating and self-adjusting network are disclosed. In one embodiment, a method is disclosed, comprising: obtaining a signal strength parameter for a mobile device at a base station; obtaining a position of the mobile device at the base station; and associating the position and the signal strength parameter in a database. The method may further comprise one or more of: adjusting transmission power for the mobile device at the base station based on the associated position and signal strength parameter; computing the position of the mobile device at the base station; calculating an average of the signal strength parameter over a time window, and storing the average associated with the position. The signal strength parameter may include at least one of a block error rate (BLER) and a radio signal strength indicator (RSSI), and the position may be a global positioning system (GPS) position.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: August 25, 2020
    Assignee: Parallel Wireless, Inc.
    Inventors: Sridhar Donepudi, Steven Paul Papa, Simon Mellor
  • Patent number: 10652721
    Abstract: Example embodiments relate to a user equipment that can receive a cellular broadcast message comprising a data element identifying the cellular broadcast message as a wireless emergency alert. The network address information (e.g., URL) can identify a network location associated with multimedia content to be transmitted to the user equipment, the multimedia content stored at a repository associated with a server device. The user equipment can, in response to detecting that the cellular broadcast message comprises the data element, send a content request to the server device associated with the network location identified by the network address information, and subsequently it can receive the multimedia content from the server device and provide the multimedia content via a graphical user interface displayed on a screen of the user equipment.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: May 12, 2020
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Brian Daly, Joseph Marx, Charles Musgrove
  • Patent number: 10651934
    Abstract: A modulated light receiver includes a photo-sensitive element, an electromagnetic interference (EMI) detection circuit, and a decision-making controller. The photo-sensitive element is configured to generate an electrical signal in response to modulated light. The electromagnetic interference (EMI) detection circuit is configured to generate an electrical signal in response to EMI. The decision-making controller is electrically coupled to the photo-sensitive element and the EMI detection circuit, wherein the decision-making controller generates an output based on the inputs received from the photo-sensitive element and the EMI detection circuit.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: May 12, 2020
    Assignee: Attollo Engineering, LLC
    Inventors: Jonathan Geske, Andrew Hood
  • Patent number: 10638512
    Abstract: A device may monitor a frequency band over a time interval; determine that the frequency band is not occupied by transmissions to or from another device based on information obtained from monitoring the frequency band over the time interval; schedule transmissions of a first set of orthogonal frequency division multiple access (OFDM) symbols within a particular time interval over the frequency band, wherein the first set of OFDM symbols is associated with a first radio access technology; and schedule transmissions of a second set of OFDM symbols within the particular time interval over the frequency band, wherein the second set of OFDM symbols is associated with a second radio access technology.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: April 28, 2020
    Assignee: Verizon Patent and Licensing Inc.
    Inventor: Amitav Mukherjee
  • Patent number: 10624140
    Abstract: A communications device comprising a transmitter for transmitting signals representing device-to-device communications to a second communications device across a wireless access interface, a receiver for receiving signals representing device-to-device communication from the second communications device across the wireless access interface, the wireless access interface including a control resource for communicating control data between communications devices and a data resource for communicating user data between communications devices, the control data providing scheduling assignments for the allocation of resources of the data resource, and a controller for controlling the transmitter and the receiver to perform interference detection in one or more of the control resource and the data resource, and to transmit in the control resources, in response to detecting interference in one or more of the control resource and the data resource, signals representing an indication of the detected interference to the se
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: April 14, 2020
    Assignee: SONY CORPORATION
    Inventors: Brian Alexander Martin, Matthew William Webb, Yuichi Morioka
  • Patent number: 10601420
    Abstract: An anti-interference integrated circuit (IC) is adapted for avoiding an error in a frequency pulse caused by the interference of an adjacent IC. The anti-interference IC outputs a first time signal, and the adjacent IC outputs a second time signal. The anti-interference IC includes: a logic circuit, an adder, and a comparator. The logic circuit outputs a gate pulse according to a sequence of the second time signal. The adder adds the first time signal and the gate pulse. The comparator outputs the frequency pulse according to a signal adding result, where the period of the frequency pulse is the same as the period of the first time signal.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: March 24, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Ting-Jung Lo, Yueh-Han Li