Distortion, Noise, Or Other Interference Prevention, Reduction, Or Compensation Patents (Class 455/63.1)
  • Patent number: 10735033
    Abstract: A wireless communication device is built from a base module and a plurality of front-end modules. Each of the plurality of front-end modules is configured to operate a different one of a plurality of radio frequency services and having a front-end module connector configured to removeably mate with a base module connector of the base module. A particular front-end module is connected to the base module. Upon connection of the particular front-end module to the base module connector, the base module reads information from a memory of the particular front-end module to determine the radio service that the particular front-end module is configured to operate and to supply the control signals to configure and control front-end circuitry of the front-end module to operate the radio service.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: August 4, 2020
    Assignee: Cisco Technology, Inc.
    Inventors: Fred J. Anderson, Paul J. Stager, John M. Blosco, Qing Zhao, David Kloper
  • Patent number: 10733972
    Abstract: Various embodiments of the present invention relate to an electronic device and method for cancelling (or suppressing) a noise of an audio signal of an unmanned aerial vehicle, the electronic device comprising: a movement module comprising a motor; an audio module comprising a first noise suppression module; a memory module for storing control data corresponding to driving data (round per minute RPM) of the motor; and a processor functionally coupled to the audio module, the movement module and the memory module, wherein the processor sets control data according to the driving data of the motor, and applies the set control data to the audio module so that the first noise suppression module suppresses or cancels a noise in an audio signal inputted to the audio module based on the control data. Other embodiments are also applicable.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeheon Park, Ki-Won Kim
  • Patent number: 10721640
    Abstract: A method for performing a measurement in a wireless communication system and an apparatus for the same are disclosed. Particularly, a method by which a terminal performs a measurement in a wireless communication system comprises the steps of: receiving, by the terminal, a discovery signal; and measuring, by the terminal, reference signal received power (RSRP) and/or reference signal received quality (RSRQ) on the basis of the discovery signal, wherein the number of antenna ports of a cell-specific reference signal (CRS) cannot be applied to the discovery signal-based measurement.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: July 21, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Jonghyun Park, Yunjung Yi, Hyangsun You
  • Patent number: 10721702
    Abstract: A method for distortion compensation in a transmission link comprising obtaining information of an amplitude distribution of a signal prior to being transmitted by a transmitter, receiving the transmitted signal at a receiver and determining a received signal amplitude distribution, comparing the received signal amplitude distribution to the amplitude distribution of the signal prior to transmission and using results of the comparison to estimate the AM/AM non-linearity in the transmitter.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: July 21, 2020
    Inventor: Fadhel M Ghannouchi
  • Patent number: 10704384
    Abstract: A retrievable receiver for electromagnetic telemetry signals originating from a first wellbore is located in a second wellbore. The receiver uses a casing of the second wellbore as an antenna. A signal pickup unit is provided on a multi-conductor wireline in the second wellbore. The signal pickup provides sensors (e.g. electrodes) for detecting signals at plural locations along the second wellbore. Signal reception can be optimized by adjusting the position of the wireline in the second wellbore and/or selecting sensor(s) for use in receiving the telemetry signals. The receiver may lack any active electronics in the second wellbore.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: July 7, 2020
    Assignee: Phoenix Technology Services Inc.
    Inventors: Alexander Down, Aaron Logan, Theunis Van Schalkwyk, Rostyslav Kuchma, Mojtaba Kazemi Miraki
  • Patent number: 10708946
    Abstract: The disclosure pertains to determining a channel width of a channel in a wireless communication network. An aspect is directed to a device (1200, 1300) configured to determine a quality indicator for each of a plurality of channels, determine, from the plurality of channels, a first subset of channels, the quality indicators of which meeting a first requirement, combine at least two adjacent channels of the first subset of channels to a combined channel, and perform a listen before talk, LBT, operation in the combined channel. Further aspects of the disclosure pertain to a further device for determining a channel width of a channel used in a wireless communication network, methods (1100, 1700), computer programs, and computer-readable recording media.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: July 7, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Junaid Ansari, Eliane Semaan
  • Patent number: 10694527
    Abstract: Certain aspects of the present disclosure provide techniques for co-existence of reliable low-latency and other services in a wireless network. According to certain aspects, a method of wireless communication by a base station is provided. The method generally includes reserving a first region of a set of resources to a first user for at least a first uplink transmission related to a first type of service, receiving the first uplink transmission in the reserved first region, and dynamically assigning resources in a second region of the set of resources for at least a second uplink transmission related to the first type of service.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: June 23, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Hao Xu, Peter Gaal, Jing Jiang, Haitong Sun, Naga Bhushan, Tingfang Ji, Wei Zeng, Shimman Arvind Patel
  • Patent number: 10673519
    Abstract: An optically-enhanced relay including a first transmitter that converts a first digital transmit signal to a first analog transmit signal, a first receiver that converts a first analog receive signal to a first digital receive signal, a second transmitter that converts a second digital transmit signal to a second analog transmit signal, a second receiver that converts a second analog receive signal to a second digital receive signal, and an optically-enhanced analog self-interference canceller that generates a first self-interference cancellation signal based on at least one of the first digital transmit signal and the first analog transmit signal, and combines the first self-interference cancellation signal with at least one of the first digital receive signal and the first analog receive signal.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: June 2, 2020
    Assignee: Kuma Networks, Inc.
    Inventors: Steven Hong, Jeffrey Mehlman, Joel Brand, Jung-Il Choi, Mayank Jain
  • Patent number: 10674518
    Abstract: Systems, apparatuses, and methods are described for optimizing transmission power levels for wireless communications. Dynamic uplink power control of wireless device transmissions may be controlled. Conditions in a source cell and neighboring cells may be monitored and uplink transmission power levels may be dynamically adjusted based on those conditions. Transmission power levels may be increased or decreased gradually, and conditions of source cell and neighboring cells may be monitored to determine optimized power levels.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: June 2, 2020
    Assignee: Comcast Cable Communications, LLC
    Inventor: Karupaiah Rajendran
  • Patent number: 10652751
    Abstract: Method used in a first control node controlling one or more first links among two or more first radio nodes in a first network, and an associated first control node. Transmitting desired sounding and sensing related parameters of the first control node to a second control node controlling one or more second links among two or more second radio nodes in a second network neighboring the first network and operating at the same frequency as the first network. Receiving, from the second control node, sounding and sensing related parameters to be applied to the one or more second links, which are adjusted based on the desired sounding and sensing related parameters of the first control node. Adjusting the desired sounding and sensing related parameters of the first control node, based on the sounding and sensing related parameters to be applied to the one or more second links and applying them.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: May 12, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Gen Li, Jinhua Liu
  • Patent number: 10645727
    Abstract: A transmitting device may determine that a first neighbor device is communicating with a second neighbor device based on a signal received from the first device (e.g., a request-to-send (RTS) signal) during a listen-before-talk (LBT) period. The transmitting device may also identify a direction of the second neighbor device (e.g., based on signals received during a previous LBT period), and determine the amount of interference that a directional transmission may cause at the second neighbor device. The determination may be based on whether the transmission direction (i.e., a beam direction of a directional transmission) is in a same direction as the second neighbor device. If the interference level is below a threshold, the transmitting device may perform the transmission despite receiving the signal during the LBT period. If the interference level is above the threshold, the transmitting device may refrain from transmitting.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: May 5, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Muhammad Nazmul Islam, Sundar Subramanian, Junyi Li
  • Patent number: 10645713
    Abstract: A method of a wireless communication device is disclosed wherein the wireless communication device comprises a radio transceiver, first (310) and second (330) autonomous radio access control units, and a radio control unit (320). The first and second autonomous radio access control units are adapted to control operation of the wireless communication device in association with a first network node of a first radio access system and a second network node of a second radio access system, respectively, and the radio control unit is adapted to manage time sharing of the radio transceiver by the first and second radio access control units. The method comprises—during use (311) of the radio transceiver by the first radio access control unit—receiving (by the radio control unit) a first message (332) from the second radio access control unit and sending (by the radio control unit) a second message (322) to the first radio access control unit.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: May 5, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Bengt Lindoff, Joakim Axmon
  • Patent number: 10645588
    Abstract: A multiple access point system includes a wireless network including a first channel and a second channel. The system further includes a first access point and a second access point co-located within a single physical location environment, a wireless backhaul connecting the first and second access points to the wireless network, and a processor configured to (i) assign the first channel as a primary channel of the first access point and the second channel as a primary channel of the second access point, and (ii) assign the first channel as a secondary channel of the second access point and the second channel as a secondary channel of the second access point. The primary channel of the first access point does not overlap with the primary channel of the second access point, and the secondary channel of the second access point overlaps with the first access point.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: May 5, 2020
    Assignee: Cable Laboratories, Inc
    Inventors: Kevin Mahoney, John C. Bahr, Neeharika Allanki, Mufaddal Makati
  • Patent number: 10627506
    Abstract: The present invention relates to a method for removing a noise tone in a digital region of an imaging radar receiver, an imaging radar receiver therefor, and a program recording medium. A method for removing a noise tone in a digital region of an imaging radar receiver using a D-ramping structure according to an embodiment of the present invention is characterized by comprising the steps of: (a) extracting a noise tone location of a D-ramped image signal; (b) selecting a noise tone to be removed from the extracted noise tones using step (a); and (c) removing the selected noise tone of step (b) from source data.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: April 21, 2020
    Assignee: Korea Aerospace Research Institute
    Inventors: Byoung-Gyun Lim, Sang-Burm Ryu, Jae-Cheol Yoon, Jin-Hee Kim
  • Patent number: 10624042
    Abstract: A calibration assembly and system for collocated transceivers includes calibration logic that determines at least one calibration ratio based on the isolation between a transmitter and a receiver on a platform, such as an aerial vehicle, regardless of whether the vehicle is manned or unmanned. The calibration logic utilizes a power level of the signal of interest at the receiver to calibrate a power output level of a transmit signal transmitted from a transmit antenna of the transmitter based on calibration ratios stored in a database. The transmitter then transmits the transmit signal from the transmitter at a power level sufficiently low to prevent a ring-around or wraparound power level from exceeding the power level of the received signal of interest input to the receiver so as to not cause cosite or colocation interference in the receiver.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: April 14, 2020
    Assignee: BAE Systems Information and Electronic Systems Integration Inc.
    Inventor: Christopher A. Palatino
  • Patent number: 10615845
    Abstract: A line synchronization method in an overlapped spectrum duplex (OSD) system having K pairs of communications lines. Each pair of communications lines includes an uplink and a downlink. The method includes synchronizing downstream synchronization symbols of downlinks in the pairs of communications lines, and separately synchronizing an upstream synchronization symbol of an uplink of each pair of communications lines with a downstream synchronization symbol of a downlink of each pair of communications lines. The method may be applied to crosstalk channel estimation to distinguish near-end crosstalk (NEXT) and far-end crosstalk (FEXT) crosstalk channels when upstream and downstream spectrums are overlapped.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: April 7, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Jianping Tu
  • Patent number: 10609711
    Abstract: The predicted explosive growth in the number of wireless devices and mobile applications utilizing wireless networks makes it time for engineers to face the high network densification challenge where massive numbers of terminal devices (TDs) coexist and require both high-rate and low-latency wireless data transmissions. We describe a multiple access point (AP) Time-Reversal Division Multiple Access (TRDMA) downlink system that utilizes the natural spatial and temporal focusing properties of Time Reversal (TR) based communications, where the interference to unintended receivers is automatically at least partially mitigated. As a result, in some implementations, the TRDMA system can achieve full or nearly-full spectrum reuse without any coordination among APs. The performance of the TRDMA system is investigated in both an open access model where an AP is open to all the TDs and a closed access model where an AP is only open to specific TDs.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: March 31, 2020
    Assignee: Origin Wireless, Inc.
    Inventors: Hang Ma, Yan Chen, Feng Han, Zhung-Han Wu, Zoltan Safar, K. J. Ray Liu
  • Patent number: 10608686
    Abstract: A wireless communication apparatus is provided. The wireless communication apparatus includes a denoising circuit configured to receive a noisy complex channel vector(s) in a spatial domain and convert the noisy complex channel vector(s) into a noisy beamspace-domain vector(s) in a beamspace domain. The denoising circuit determines an optimal denoising parameter and denoises the noisy beamspace-domain vector(s) based on the optimal denoising parameter to generate a denoised beamspace-domain vector(s). The denoising circuit then converts the denoised beamspace-domain vector(s) to a denoised complex channel vector(s) in the spatial domain.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: March 31, 2020
    Assignee: Cornell University
    Inventors: Christoph Emanuel Studer, Ramina Ghods, Seyed Hadi Mirfarshbafan, Alexandra Gallyas Sanhueza
  • Patent number: 10602536
    Abstract: Techniques for managing operation over a communication medium shared between Radio Access Technologies (RATs) are disclosed. In one example, one or more parameters of a Time Division Multiplexed (TDM) communication pattern may be set based on a utilization metric and a beacon schedule. In another example, subframe puncturing on the medium may be scheduled based on the beacon schedule.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: March 24, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Zhong Yi Jin, Yanjun Sun, Nachiappan Valliappan
  • Patent number: 10595266
    Abstract: A method for sending and acquiring WiFi networking information including generating, by a first WiFi-type smart device, a management frame that carries WiFi networking information; sending the management frame to be monitored by a second WiFi-type smart device; monitoring, by the second WiFi-type smart device, the management frame sent by the first WiFi-type smart device; and parsing the management frame to obtain the WiFi networking information, so that a network may be accessed by using the obtained WiFi networking information. The techniques of the present disclosure may reduce the time delay and technological complexity of a WiFi-type smart device in accessing a network.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 17, 2020
    Assignee: Alibaba Group Holding Limited
    Inventors: Sunliang Liu, Ming Zhang
  • Patent number: 10581473
    Abstract: A method, detector and radio unit for non-linear interference detection in a communication system having a victim signal and an offending signal are disclosed. According to one aspect, a method includes determining a magnitude of the victim signal raised to a first power to produce a first signal. The method also includes determining a magnitude of the offending signal raised to a second power to produce a second signal. The first signal and the second signal are correlated to produce an output signal indicative of an extent to which the offending signal interferes with the victim signal.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: March 3, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mark William Wyville, Pierre-Andre Laporte
  • Patent number: 10582510
    Abstract: A system that incorporates the subject disclosure may perform, for example, a method that determines at least one threshold for detecting signal interference in a first plurality of segments occurring in a first radio frequency spectrum of a first wireless communication system, detecting a pattern of recurrence over time of signal interference in a segment of the first plurality of resource blocks according to the at least one threshold, and performing one or more mitigation steps to mitigate the signal interference without filtering the signal interference where the one or more mitigation steps include at least one of transmitting signals out of phase from the signal interference, adjusting transmit power, increasing power in a resource block of a long term evolution communication session, performing beam steering, or changing time parameters for the resource block without changing to a new resource block. Other embodiments are disclosed.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: March 3, 2020
    Assignee: ISCO International, LLC
    Inventor: Amr Abdelmonem
  • Patent number: 10581472
    Abstract: The disclosure relates to technology for a receiver having a receive signal path including a mixer, a differential fixed gain or variable gain amplifier, and a differential filter. The mixer is configured to receive an RF signal, receive an oscillator signal, and output a differential down converted signal at one of a baseband or intermediate frequency (IF). The amplifier is downstream of the mixer and configured to receive the differential down converted signal from the mixer, apply a gain thereto, and output an amplified differential signal. The filter is downstream of the amplifier and configured filter the amplified differential signal received from the amplifier, and output a filtered differential signal. By locating the differential filter downstream of the differential amplifier within the receive signal path, distortion caused by the mixer is mitigated compared to if the filter were located upstream of the filter.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: March 3, 2020
    Assignee: Futurewei Technologies, Inc.
    Inventors: Paul R. Ganci, Matthew R. Miller
  • Patent number: 10574334
    Abstract: A wireless relay manages Radio Frequency (RF) interference. A wireless access point in the relay wireless exchanges user data with wireless user devices using an amount of Carrier Aggregation Secondary Component Carriers (CA SCCs) in an RF band. A wireless network transceiver in the relay wireless exchanges the user data with a wireless communication network using a number of RF channels in the RF band. In response to excessive RF interference, the wireless access point wireless exchanges subsequent user data with the wireless user devices using a lower amount of the CA SCCs in the RF band. In response to the excessive RF interference, the wireless network transceiver wireless exchanges the subsequent user data with the wireless communication network using a lower number of RF channels in the RF band.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: February 25, 2020
    Assignee: Sprint Communications Company L.P.
    Inventors: Sreekar Marupaduga, Vanil Parihar, Nitesh Manchanda
  • Patent number: 10575313
    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: October 2, 2018
    Date of Patent: February 25, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Shaohua Li, Xinghua Song, Jianfeng Wang, Haochuan Zhang, Zhan Zhang, Zhang Zhang, Zhenshan Zhao
  • Patent number: 10574191
    Abstract: A linearization circuit reduces intermodulation distortion in an amplifier that includes a first stage and a second stage. The linearization circuit receives a first signal that includes a first frequency and a second frequency and generates a difference signal having a frequency approximately equal to the difference of the first frequency and the second frequency, generates an envelope signal based at least in part on a power level of the first signal, and adjusts a magnitude of the difference signal based on the envelope signal. When the amplifier receives the first signal at an input terminal, the first stage receives the adjusted signal, and the second stage does not receive the adjusted signal, intermodulation between the adjusted signal and the first signal cancels at least a portion of the intermodulation between the first frequency and the second frequency from the output of the amplifier.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: February 25, 2020
    Assignee: Skyworks Solutions, Inc.
    Inventors: Yu Zhu, Dylan Charles Bartle, Oleksiy Klimashov, Paul T. DiCarlo
  • Patent number: 10575184
    Abstract: The embodiments of the present disclosure provide a method and apparatus for transmitting and receiving a signal using an unlicensed carrier, applied in a base station. After a right to use the unlicensed carrier is preempted by the base station, the signal in remaining resources and/or a subframe subsequent is transmitted to the remaining resources, herein the signal includes one or more of start symbol identity information, a synchronization signal, a reference signal, and a service data signal, herein, the remaining resources includes the complete Orthogonal Frequency-Division Multiplexing (OFDM) symbols located in a contention back-off window and after a time point when the right to use the unlicensed carrier is contended, or complete OFDM symbols from the time point when the right to use the unlicensed carrier is contended by the base station up to an end time of a subframe in which the time point is located.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: February 25, 2020
    Assignee: ZTE CORPORATION
    Inventors: Wei Gou, Bo Dai, Yajun Zhao, Zhaohua Lu
  • Patent number: 10567911
    Abstract: Aspects of the subject disclosure may include, for example, detecting, by a first receiver of the first group of receivers, a first disturbance in one of a first group of electromagnetic waves and detecting, by a second receiver of a second group of receivers, a second disturbance in one of the second group of electromagnetic waves. A processing system can determine a position of a physical object in proximity to the transmission medium according to locations of the first and second receivers with respect to the transmission medium. Other embodiments are disclosed.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: February 18, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Robert Bennett, Paul Shala Henry, Irwin Gerszberg, Farhad Barzegar, Thomas M. Willis, III, Donald J. Barnickel
  • Patent number: 10567037
    Abstract: Methods, devices and techniques are disclosed where vectoring is adapted to lines becoming inactive and active, for example in a discontinued operation. In some embodiments, the vectoring is modified based on already present coefficients.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: February 18, 2020
    Assignee: Lantiq Deutschland GmbH
    Inventors: Rainer Strobel, Vladamir Oksman
  • Patent number: 10567091
    Abstract: A base station for cancelling a transmitter noise present in a reception band, according to the embodiment of the present invention comprises: a transmitting and receiving unit for transmitting and receiving a signal; an uplink signal detector for detecting a first signal extracted from a reception path of the base station and a second signal extracted by filtering, on the basis of the reception band, a signal transmitted on a transmission path of the base station, and for determining, on the basis of the detection result, whether an uplink signal transmitted from a terminal is included in the first signal; and a processor for determining whether to cancel the transmitter noise depending on whether the uplink signal is included in the first signal.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: February 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jaebum Kim, Jungwoo Ku
  • Patent number: 10555318
    Abstract: In accordance with one or more embodiments, a transmission device includes a receiver configured to receive an interfering signal via an antenna. A controller is configured to generate interference data based on the interfering signal. A communications interface is configured to send the interference data to a network element of a network and further configured to receive an allocation of a plurality of guided electromagnetic wave resource blocks. A transmitter is configured to generate electromagnetic signals conveying data, in accordance with the allocation of the plurality of guided electromagnetic wave resource blocks. A coupler configured to generate guided electromagnetic waves in response to the electromagnetic signals, wherein the guided electromagnetic waves propagate, without requiring an electrical return path, along a surface of a transmission medium of a distributed antenna system.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: February 4, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Thomas M. Willis, III, Giovanni Vannucci, Paul Shala Henry
  • Patent number: 10536976
    Abstract: The invention relates to a method for adapting the functioning of a device accessing a medium according to a method of the CSMA type, for example Wi-Fi, when interference caused by a device, for example of the LTE type, is detected on the same communication channel, the adaptation of the functioning of the device being able to comprise the lowering of an energy-detection threshold and/or the modification of the functioning of a contention window.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: January 14, 2020
    Assignee: SAGEMCOM BROADBAND SAS
    Inventor: Massinissa Lalam
  • Patent number: 10517008
    Abstract: To make it possible to increase opportunities for terminal apparatuses to receive multicast signals. There is provided an apparatus, including: a first control unit configured to select a first frequency band which is a frequency band for a cellular system and a second frequency band which is not the frequency band for the cellular system when a terminal apparatus is in an idle mode; and a second control unit configured to control the terminal apparatus such that, when the terminal apparatus is in the idle mode, the terminal apparatus receives a paging message transmitted in the first frequency band and receives a multicast signal transmitted in the second frequency band.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: December 24, 2019
    Assignee: SONY CORPORATION
    Inventor: Nishiki Mizusawa
  • Patent number: 10517128
    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 a long term evolution (LTE). A method for transmitting a device to device (D2D) discovery signal by a user equipment (UE) in a communication system supporting a D2D scheme is provided. The method includes determining transmission power for D2D discovery signal transmission, and transmitting a D2D discovery signal using the transmission power, wherein the transmission power is determined by considering a cell at which the D2D discovery signal is transmitted.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: December 24, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Seok Ryu, Peng Xue, Sang-Won Choi
  • Patent number: 10505612
    Abstract: A method for reporting channel state information (CSI) from a user equipment to a base station in a wireless communication system is disclosed. The method comprises the steps of configuring a first feedback chain corresponding to a first channel state information-reference signal (CSI-RS) and a second feedback chain corresponding to a second CSI-RS through higher layer signaling; generating a first partial CSI and a second partial CSI corresponding to each of the feedback chains by using the first and second CSI-RSs received from the base station; periodically reporting the first partial CSI to the base station in accordance with the first feedback chain; and aperiodically reporting the second partial CSI to the base station in accordance with the second feedback chain.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: December 10, 2019
    Assignee: LG Electronics Inc.
    Inventors: Hyungtae Kim, Kijun Kim, Jonghyun Park, Hyunho Lee
  • Patent number: 10499251
    Abstract: Method used in a first control node controlling one or more first links among two or more first radio nodes in a first network, and an associated first control node. Transmitting desired sounding and sensing related parameters of the first control node to a second control node controlling one or more second links among two or more second radio nodes in a second network neighboring the first network and operating at the same frequency as the first network. Receiving, from the second control node, sounding and sensing related parameters to be applied to the one or more second links, which are adjusted based on the desired sounding and sensing related parameters of the first control node. Adjusting the desired sounding and sensing related parameters of the first control node, based on the sounding and sensing related parameters to be applied to the one or more second links and applying them.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: December 3, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Gen Li, Jinhua Liu
  • Patent number: 10499346
    Abstract: A system and method are provided for extending range of devices in a legacy wireless network. Generally, the method involves providing in a transmitter of the system a frame having a first field including a number of preamble segments and a second field including a number of data segments. The transmitter in the system is then operated to transmit at least one of the preamble segments with at least a first transmit power, and to transmit the segments of the second field at a second transmit power, wherein the first transmit power is greater than the second transmit power. Other embodiments are also described.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: December 3, 2019
    Assignee: Cypress Semiconductor Corporation
    Inventors: Ayush Sood, Ashok Nimmala, Kempraju G, Kamesh Medapalli
  • Patent number: 10484040
    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 a long term evolution (LTE). A method for cancelling a self-interference (SI) signal in a communication system supporting a full-duplex scheme is provided. The method includes estimating an SI channel, performing a pre-filtering operation on a transmission signal based on the estimated SI channel, generating copied-SI signals based on the estimated SI channel, and cancelling an SI signal based on the copied-SI signals, wherein the pre-filtering operation includes an operation for decreasing a number of SI signals.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: November 19, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Bu Lim, Byung-Hwan Lee, Ji-Yun Seol, Tae-Young Kim, Min Sagong
  • Patent number: 10477583
    Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media for a modified MAC protocol which can facilitate communications with both full-duplex and half-duplex devices. A system configured according to the disclosed method can enable communications between an Access Point (AP) and a client in either full duplex or half duplex. The system can similarly enable peer-to-peer communications in both full duplex and half duplex communication modes.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: November 12, 2019
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Vaneet Aggarwal, Rittwik Jana, Christopher W. Rice, Nemmara K. Shankaranarayanan
  • Patent number: 10469218
    Abstract: Traffic in a first cell may experience interference from or may cause interference to traffic in an adjacent cell, which may lead to undesirable performance in one or both of the first cell and the adjacent cell. For example, a user equipment (UE) near an edge of the first cell may experience appreciable interference based on the reuse of resources. Accordingly, for transmissions in adjacent cells over a same band or sub-band, one UE may need to reduce transmit power in order to yield to another UE in an adjacent cells. An apparatus may be configured to determine first traffic associated with a first priority and second traffic associated with a second priority. The apparatus may be further configured to assign, based on the first priority and second priority, a first set of resources to the first traffic and a second set of resources to the second traffic.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: November 5, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Chong Li, Hua Wang, Junyi Li
  • Patent number: 10461829
    Abstract: A Radio Network Node (RNN) 110 and a method therein for improving capacity in a wireless communications system 100. The RNN is configured to serve a first wireless device 120 and a second wireless device (WD) 130. The RNN assigns a shared uplink pilot signal to the first and second WDs. Further, the RNN transmits, to the first WD, an indication of how possible second data intended for the second WD will be comprised in a signal to be transmitted to the first WD. Furthermore, the RNN estimates a combined channel based on a received shared uplink pilot signal from the first WD and/or the second WD. Yet further, the RNN determines a beamforming vector for the estimated combined channel; and transmits the signal to the first WD, wherein the signal comprises first data and the possible second data, which first data is decodable only by the first WD.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: October 29, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Martin Hessler, Emil Björnson, Hei Victor Cheng, Erik G. Larsson
  • Patent number: 10454650
    Abstract: Disclosed herein is a method for transmitting data performed by a station (STA) in a Wireless LAN (WLAN) system. The method for transmitting data performed by an STA device according to the present invention includes receiving a signal from a first STA of a first Basic Service Set (BSS); obtaining Endurable Interference Margin (EIM) information and transmission power information of the first STA from the reception signal; obtaining a Predicted Interference Power (PIP) using the transmission power information of the first STA; and comparing the EIM information with the PIP, and controlling a Clear Channel Assessment (CCA) level or a transmission power according to the comparison result.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: October 22, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Jinmin Kim, Jeongki Kim, Dongguk Lim, Hangyu Cho
  • Patent number: 10454533
    Abstract: A method of estimating and compensating for Doppler frequency shifts includes providing an accurate reference device for generating an accurate reference frequency in a Doppler estimation and compensation (DEC) system, the DEC system being electrically connected to a user device. The DEC system receives one of a downlink signal from a base station and an uplink signal from the user device. The one of the downlink signal and the uplink signal is compared to the accurate reference frequency. An estimate of a Doppler frequency shift associated with the one of the downlink signal and the uplink signal is determined. An offset Doppler frequency shift of opposite sign as the Doppler frequency shift is added to the one of the downlink signal and uplink signal to provide a compensated signal. The compensated signal is transmitted to one of the base station and user device.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: October 22, 2019
    Assignee: Vencore Labs, Inc.
    Inventors: Achilles Kogiantis, Kiran Meghashyam Rege, William Harvey Johnson, Anthony A. Triolo
  • Patent number: 10447442
    Abstract: Uplink carrier aggregation architecture. In some embodiments, an uplink (UL) carrier aggregation (CA) architecture may include a first antenna port and a second antenna port. The UL CA architecture may also include a first radio-frequency (RF) circuit configured to route a first transmit (TX) signal and a first receive (RX) signal to and from the first antenna port, respectively, the first RF circuit further configured to route a second RX signal from the first antenna port. The UL CA architecture may further include a second RF circuit configured to route a second TX signal to the second antenna port to provide UL CA capability between the first and second TX signals.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: October 15, 2019
    Assignee: Skyworks Solutions, Inc.
    Inventors: David Richard Pehlke, John Chi-Shuen Leung
  • Patent number: 10440705
    Abstract: A time-reversal wireless system comprising a first wireless transceiver of a time-reversal client, one or more second wireless transceiver and/or a time-reversal client with the first wireless transceiver. The first wireless transceiver of the time-reversal client is wirelessly coupled to the one or more second wireless transceiver through a wireless broadband multipath channel associated with a space. The time-reversal client contains the first wireless transceiver. The time-reversal client also contains a processor and a memory configured to obtain a set of channel state information (CSI) in a channel probing phase, and/or to obtain a set of location-specific signatures based on the set of CSI and/or a time reversal operation in a channel probing phase.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: October 8, 2019
    Assignee: Origin Wireless, Inc.
    Inventors: K. J. Ray Liu, Hung-Quoc Duc Lai, Beibei Wang, Qinyi Xu, Chen Chen, Feng Zhang, Yi Han, Zhung-Han Wu, Zoltan Safar, Oscar Chi-Lim Au
  • Patent number: 10440670
    Abstract: A method for performing, by a first UE, device-to-device (D2D) communication in a wireless communication system includes: transmitting, to a first eNB, transmission/reception (TX/RX) chain number information indicating the number of supported TX/RV radio frequency (RF) chains; receiving, from the first eNB, a first control message including D2D resource pool configuration information of the first eNB; receiving, from the first eNB, a second control message including D2D resource pool configuration information of a second eNB; and transmitting a first D2D signal to the first eNB and/or transmitting a second D2D signal to the second eNB using one or more TX RF chains when a predetermined condition is satisfied.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: October 8, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Jonghyun Park, Hanbyul Seo, Seungmin Lee, Inkwon Seo, Yunjung Yi
  • Patent number: 10433316
    Abstract: The present disclosure discloses a method used in a control node and an associated control node. The method includes selecting one or more client radio nodes based on a Directional Link Interference Map (DLIM) for all active links under control of the control node; for each of the selected one or more client radio nodes, determining one or more candidate links between the client radio node and other radio nodes; for each of the determined candidate links and all active links, determining a set of sounding and sensing related parameters; and transmitting the determined set of sounding and sensing related parameters for each of the determined candidate links and all active links to a transmitting node and a receiving node of the link. The present disclosure further discloses a method used in a radio node under control of a control node and an associated radio node.
    Type: Grant
    Filed: March 31, 2018
    Date of Patent: October 1, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Virgile Garcia, Jinhua Liu, Qingyu Miao
  • Patent number: 10425838
    Abstract: Attachment data collected by a set of femto access points (FAPs) is utilized to localize, predict, and/or weight potential wireless communication traffic within and between areas. Moreover, the attachment data can be indicative of user equipment (UE) density/traffic within coverage areas of respective femtocells. The attachment data can be consolidated and analyzed to identify location and motion of a UE “swarm”. Moreover, an automatic cell planning (ACP) component can be employed to utilize the attachment data for determining an optimal macro site and optimal antenna setting(s) that facilitate steering/tuning the macro antenna beam to focus upon the swarm area. In addition, the ACP component can facilitate reconfiguration of the macro antenna beam as reported swarm concentrations shift between the FAPs.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: September 24, 2019
    Assignee: AT&T MOBILITY II LLC
    Inventors: Arthur Brisebois, Mark Causey, Adrianne Luu
  • Patent number: 10425187
    Abstract: In an unlicensed band, different types of interference may be experienced by user equipments (UEs), and a serving evolved Node B (eNB) may not be aware of the interference types affecting a UE. Therefore, aspects presented herein provide UE assisted interference learning, in which the UE detects an interfering signal and reports information such as the interference level and properties of the interfering signal to a serving eNB. Another aspects presented herein provide for an eNB which receives, from one or more UEs, information indicating properties of each of at least one interfering signals experienced by the UEs, such as interference types affecting the UEs. The eNB further uses the information received from the UE, including the wireless technology type to determine the properties of its downlink transmission and the length of the contention window leading up to its downlink transmission.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: September 24, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Arumugam Chendamarai Kannan, Tao Luo, Yongbin Wei, Durga Prasad Malladi
  • Patent number: 10413649
    Abstract: A medical device system includes a medical device configured to be carried by a patient and a plurality of controllers capable of controlling operation of the medical device. Each controller has an active state in which the controller is in communication with, and controls the operation of, the medical device, and a passive state in which the controller is not controlling operation of the medical device. At any given time only one of the plurality of controllers will be in the active state and a remainder of the plurality of controllers will be in the passive state. The active controller may be configured to continually communicate with the remainder of passive controllers, without using the medical device as an intermediary, to update the information stored in the memories of the passive controllers to match the information in the memory of the active controller.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: September 17, 2019
    Assignee: HeartWare, Inc.
    Inventor: John Rudser