Based Upon A Particular Signal Quality Measurement Patents (Class 370/332)
  • Patent number: 10356698
    Abstract: The present invention relates to a method and an apparatus enabling a terminal to obtain information required for a wireless LAN AP search from a cellular base station in order to use a wireless LAN service, and to access a wireless LAN AP having a low network load in a short time. The communication method of a terminal according to one embodiment of the present invention may comprise the steps of: switching a channel to an AP scanning channel, which is a channel for searching for a wireless LAN AP between the terminal and the wireless LAN AP; transmitting a wireless LAN AP search signal from the AP scanning channel; receiving, from the wireless LAN AP, a wireless LAN AP response signal, transmitted after an offset time set in accordance with the load state of the wireless LAN AP; and switching the channel to a data transmitting and receiving channel for data communications with the wireless LAN AP.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: July 16, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jinsung Lee, Hakyung Jung, Jungshin Park
  • Patent number: 10349258
    Abstract: Identification of network nodes (110a-c) of a first Radio Access Technology, “RAT”, and of a wireless communication network (100), which network nodes (110a-c) are at least potentially neighboring each other. Multiple information sets associated with multiple communication devices (120a-c), respectively, are obtained (204a-b; 401). Each communication device (120a-c) supports both the first RAT and another, second RAT. Each information set, thus associated with a communication device (120a), identifies a network node (110a) of the first RAT, and one or more network nodes (111a) of the second RAT that have been identified by the communication device (120a) when the communication device (120a) was associated with a communicative connection to said identified network node (110a) of the first RAT. The network nodes (110a-b) of the first RAT that are at least potentially neighboring each other are then identified (205; 402) based on the obtained multiple information sets.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: July 9, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Pradeepa Ramachandra, Mehdi Amirijoo, Andreas Bergström, Fredrik Gunnarsson
  • Patent number: 10343651
    Abstract: A keyless access system for a motor vehicle, which includes a portable signal generator for access to one or more doors or flaps of the motor vehicle, wherein the signal generator transmits an enable signal to a receiver unit, mounted on the motor vehicle, by a short-range radio link. The receiver unit permits access to one or more doors or flaps if it is determined that the enable signal is valid and a distance criterion which represents a distance between the signal generator and the motor vehicle is satisfied. The distance criterion results from a comparison of a weighted reception field strength of the short-range radio link between the signal generator and the receiver unit with a threshold value.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: July 9, 2019
    Assignee: Continental Automotive GmbH
    Inventor: Stefan Hermann
  • Patent number: 10341877
    Abstract: According to one embodiment, a system and computer-readable storage medium for storage of software directed to the management of associations between network devices is described. The computer-readable storage medium comprising instructions which, when executed by at least one hardware processor on a network device, causes performance of operations, comprising: (1) determining a desired operating state for a client device under analysis, the client device being associated with a first network device of a plurality of network devices; (2) detecting if a triggering event has occurred based on a comparison of the desired operating state for the client device under analysis to an actual operating state for the client device under analysis; and (3) in response to detecting that the triggering event has occurred, causing the client device to wirelessly connect to a second network device of the plurality of network devices in lieu of the first network device.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: July 2, 2019
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Sachin Ganu, Ken Kaho Chan, Partha Narasimhan, Pradeep Iyer
  • Patent number: 10342030
    Abstract: The present invention discloses a network optimization method for a large-scale MIMO network and a base station thereof. The base station enables, according to a user minimum SINR threshold of each user in a preset cell, instantaneous spectral efficiency of the cell at a specific moment to approximate or reach a maximum value. In the present invention, a newly added user minimum SINR threshold parameter is configured, and a characteristic of a concave function is used, so that average spectral efficiency and edge spectral efficiency of each cell are simply and effectively controlled, so as to achieve an objective of coordination adjustment of network capacity and network coverage.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: July 2, 2019
    Assignee: SHANGHAI RESEARCH CENTER FOR WIRELESS COMMUNICATIONS
    Inventors: Kai Li, Hui-yue Yi, Jiang Wang, Yang Yang, Hai-feng Wang
  • Patent number: 10333750
    Abstract: A system for automatically detecting the PHY mode based on the incoming preamble is disclosed. The system includes a multimode demodulator, which includes a preamble detector and a demodulator. The preamble detector is used to determine when the preamble has been received and the PHY mode being used by the sending node. An indication of the PHY mode is supplied to the demodulator, which then decides the incoming bit stream in accordance with the detected PHY mode. In some embodiments, one demodulator, capable of decoding the bit stream in accordance with a plurality of PHY modes is employed. In other embodiments, the system includes a plurality of demodulators, where each is dedicated to one PHY mode.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: June 25, 2019
    Assignee: Silicon Laboratories Inc.
    Inventor: Hendricus de Ruijter
  • Patent number: 10333602
    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 of the present invention provide beamforming transmitting/receiving apparatus and method to use in Multiple Input Multiple Output (MIMO)-based wireless communication systems. According to an embodiment of the present invention, a method for operating a transmitting node in a wireless communication system is provided. The method includes determining at least one transmit beam candidate from a plurality of transmit beams and at least one receive beam candidate from a plurality of receive beams, determining an optimal beam pair from pairs of the transmit beam candidates and the receive beam candidates, and transmitting/receiving data with a receiving node based on the optimal beam pair.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: June 25, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyunil Yoo, Taeyoung Kim, Jeehwan Noh, Jiyun Seol, Jae-Seung Son
  • Patent number: 10321450
    Abstract: Methods and apparatus for communication between terminals and an access node in a multiuser multicarrier communications network are described. The access node may be a satellite access node. Terminals are configured to perform initial estimation and tracking of channel offsets and to estimate channel offsets for future packets to be transmitted by the terminal. In some embodiments the channel offsets comprise mobility related channel offsets due to the relative movement between the access node and the plurality of terminals. Transmissions from the terminals to the access node are pre-compensated for the channel offsets, so that the aggregate signal received by the access node occupies a bandwidth greater or equal to the maximum signal bandwidth of any individual terminal. Terminal transmissions may overlap in frequency and time on the ground, but arrive orthogonally at the access node.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: June 11, 2019
    Assignee: MYRIOTA PTY LTD
    Inventors: David Victor Lawrie Haley, William George Cowley, John Lawrence Buetefuer, Alexander James Grant, Gottfried Lechner, Andre Pollok, Robert George McKilliam, Ingmar Rudiger Land, Marc Pierre Denis Lavenant, Ying Chen
  • Patent number: 10314107
    Abstract: A communication device that wirelessly communicates with a plurality of wireless slave stations includes: a wireless network control unit that acquires network configuration information including the number of repeating stages between the communication device and the plurality of wireless slave stations and the number of wireless slave stations that is the total number of the plurality of wireless slave stations; a parameter management unit that stores a delay time for communication; and a communication cycle calculation unit that calculates a communication cycle based on the network configuration information and the delay time.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: June 4, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventor: Takahisa Yamauchi
  • Patent number: 10305988
    Abstract: A computing device includes an interface configured to interface and communicate with a dispersed storage network (DSN), a memory that stores operational instructions, and a processing module operably coupled to the interface and memory such that the processing module, when operable within the computing device based on the operational instructions, is configured to perform various operations. The computing device receives a data object, dispersed error encodes the data object to generate a set of encoded data slices (EDSs), and determines whether there are a sufficient amount of write sequence operational resources of the DSN are available within the DSN to execute a write request for the set of EDSs to the DSN memory. The computing device transmits the set of EDSs to the DSN memory for storage or determines whether the write sequence operational resources may be modified for storage of the set of EDSs to the DSN memory.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: May 28, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: Greg R. Dhuse
  • Patent number: 10306453
    Abstract: Issues are addressed by providing a control method including executing first search processing for searching for a second apparatus by using a predetermined communication channel used for a first wireless connection and second search processing for searching for the second apparatus by using the predetermined communication channel in a succession of the first search processing in a state in which the first wireless connection is established and executing third search processing for searching for the second apparatus by using a first communication channel other than the predetermined communication channel and fourth search processing for searching for the second apparatus by using a second communication channel other than the predetermined communication channel in a succession of the third search processing in a state in which the first wireless connection is established in a case where the second apparatus is not discovered by the first search processing and the second search processing.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: May 28, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takashi Moriya
  • Patent number: 10306529
    Abstract: A method and an apparatus for adjusting an amount of data to be assigned to a secondary base station in dual connectivity are provided. The method includes receiving, via an X2 interface between the first base station and a second base station from the second based station, first information on a buffer for an evolved universal terrestrial radio access network (E-UTRAN) radio access bearer (E-RAB), second information on a buffer for a terminal which is associated with the first base station and the second base station, and third information on packets lost in X2 transmission between the first base station and the second base station, and adjusting an amount of data to be assigned to the second base station based on the first information, the second information and the third information.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: May 28, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong Wang, Lixiang Xu, Xiaowan Ke
  • Patent number: 10306514
    Abstract: The present disclosure relates to a 5G or pre-5G communication system to be provided for supporting a higher data transmission rate beyond 4G communication systems such as LTE. More specifically, a method for transmitting and receiving signals by a base station of a mobile communication system according to one embodiment of the present specification comprises: a step of determining whether to steer a traffic related to a terminal to a wireless LAN; a step for determining a traffic to be steered to the wireless LAN; a step for transmitting, to the terminal, a first message including information for an uplink transmission of the traffic to be steered; and a step for transmitting, to a gateway, a second message including information for a downlink transmission of the traffic to be steered.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: May 28, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hakyung Jung, Jinsung Lee, Jungshin Park, Hanna Lim
  • Patent number: 10298628
    Abstract: Establishing or reestablishing media streams for handover of calls in a communication network where the server in the network can be addressed by the client from the access points of the network and for establishing a direct media path between endpoints in different network segments, which are interconnected by servers integrated with gateways.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: May 21, 2019
    Assignee: IPALIVE AB
    Inventors: Karl Erik Stahl, Martin Gartner, Tibor Blomhall
  • Patent number: 10299277
    Abstract: A base station including: a memory, and a processor coupled to the memory and configured to: wirelessly communicate with one or more terminals via a plurality of component carriers of carrier aggregation, and allocate each of the plurality of component carriers to each of the one or more terminals based on both of each number of terminals allocated to each component carrier and each wireless quality of each component carrier for each terminal.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: May 21, 2019
    Assignee: FUJITSU LIMITED
    Inventor: Junji Otonari
  • Patent number: 10292076
    Abstract: A method performed by a network node for determining a mobility criterion related to a wireless communications device in a wireless communications network. The network node obtains an information related to an UL propagation condition associated to the wireless communications device. The network node determines a measure of imbalance between the UL propagation condition and a DL propagation condition associated to the wireless communications device. The measure of imbalance is based on the information related to the UL propagation condition. The network node determines the mobility criterion based on the measure of imbalance between the UL propagation condition and the DL propagation condition.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: May 14, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (publ)
    Inventors: Peter Alriksson, Joakim Axmon, Torgny Palenius
  • Patent number: 10285074
    Abstract: Systems, methods, and computer-readable media, for facilitating control of network loads are provided. In embodiments of the present invention, network data associated with a plurality of base stations within a communications network are monitored. Upon identifying that a network load associated with a base station exceeds a network load threshold, an indication that a user device utilizing the base station that exceeds the network load threshold to communicate should transfer to another base station that fails to exceed the network load threshold is provided.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: May 7, 2019
    Assignee: Sprint Communications Company L.P.
    Inventors: Bejoy Pankajakshan, Warren Bruce Cope, Jamie Paul Brocket, Tae-Woo Cha
  • Patent number: 10278059
    Abstract: A system includes a subscription storage that stores a group identifier for identifying a home base station 60 and the service available for a UE 70 as subscription information, in correspondence with a mobile terminal identifier for identifying UE 70; a positional information update request receiver for receiving a positional information update request of UE 70 from an MME 40; and a positional information response transmitter that extracts the available service corresponding to the mobile terminal included in the positional information update request, from the subscription storage and transmits a positional information update response included with the extracted service to MME 40.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: April 30, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masafumi Aramoto, Hirokazu Naoe
  • Patent number: 10271228
    Abstract: Automatically assigning an area code to a first radio access network (RAN) node by obtaining, at one time or over a period of time, wireless communication device (WCD) area code measurement information generated by one or more WCDs based on the detection of one or more signals transmitted by one or more RAN nodes neighboring the first RAN node; using the WCD area code measurement information to select an area code for the first RAN node; and assigning the selected area code to the first RAN node.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: April 23, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventor: Paul Stjernholm
  • Patent number: 10271248
    Abstract: A system and method for performing a handover operation in a broadband wireless access (BWA) communication system. The BWA communication system includes a serving BS (Base Station), (Subscriber Station), and a plurality of neighbor BSs adjacent to the serving BS. The SS handover method upon receiving a handover request from the SS in the BWA communication system includes the steps of: a) receiving from the serving BS information of the plurality of neighbor BSs; b) measuring CINRs (Carrier to Interference and Noise Ratios) of pilot signals transferred from the neighbor BSs upon receipt of the neighbor BSs information; c) transmitting to the serving BS a handover request signal along with pilot signal CINR information of the neighbor BSs; d) upon receipt of the handover request signal, receiving from the serving BS information of a handover enable target BS contained in the neighbor BSs; and e) performing a handover function from the serving BS to the target BS.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: April 23, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: So-Hyun Kim, Chang-Hoi Koo, Jung-Je Son
  • Patent number: 10271282
    Abstract: A mobile device that comprises a main receiver and a wake-up receiver is operated by periodically attempting to receive a first signal that is configured for receipt by the wake-up receiver. For each attempt, a detection result is generated that indicates whether the first signal was received with a signal quality that satisfies a predetermined minimum quality criterion. One or more of the detection results are used as a basis for deciding whether or not the wake-up receiver is within range of an access point. An operation of the mobile device is adjusted in response to a decision that the wake-up receiver is not within range of the access point.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: April 23, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (publ)
    Inventors: Leif Wilhelmsson, Parth Amin
  • Patent number: 10264487
    Abstract: The present disclosure relates to a 5G or pre-5G communication system to be provided for supporting a higher data transmission rate beyond 4G communication systems such as LTE. More specifically, a method for transmitting and receiving signals by a base station of a mobile communication system according to one embodiment of the present specification comprises: a step of determining whether to steer a traffic related to a terminal to a wireless LAN; a step for determining a traffic to be steered to the wireless LAN; a step for transmitting, to the terminal, a first message including information for an uplink transmission of the traffic to be steered; and a step for transmitting, to a gateway, a second message including information for a downlink transmission of the traffic to be steered.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: April 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hakyung Jung, Jinsung Lee, Jungshin Park, Hanna Lim
  • Patent number: 10251113
    Abstract: Disclosed is a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for Internet of Things (IoT), and is applicable to intelligent services such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. An access point (AP) includes a controller that generates a neighbor AP information message including location information of neighbor APs, and a transmitter that transmits the neighbor AP information message including a field indicating that a type of a currently transmitted message includes location information, a length field indicating a length of fields located after the length field in the currently transmitted message, and a location information field indicating location information of each of the neighbor APs.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 2, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Gyu Lee, Se-Hee Han
  • Patent number: 10243687
    Abstract: A method of establishing communication between an optical line terminal and an optical network unit within an optical access network includes receiving a signal indication from an optical transceiver of an optical line terminal. The signal indication includes: (i) a loss-of-signal indication indicating non-receipt of an upstream optical signal from the optical network unit; or (ii) a signal-received indication indicating receipt of the upstream optical signal from the optical network unit. The method includes determining whether the signal indication includes the loss-of-signal indication. When the signal indication includes the loss-of-signal indication, the method includes instructing the optical transceiver to cease signal transmission from the optical transceiver to the optical network unit.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: March 26, 2019
    Assignee: Google LLC
    Inventors: Xiangjun Zhao, Cedric Fung Lam, Shuang Yin, Changhong Joy Jiang, Ke Dong
  • Patent number: 10237809
    Abstract: A method in a wireless device is disclosed. The method comprises receiving one or more resource pool configurations for a particular discovery carrier, the one or more resource pool configurations comprising information indicating one or more of resource elements and subframes that the wireless device should use to monitor for incoming discovery messages and transmit outgoing discovery messages, the received one or more resource pool configurations comprising at least a first resource pool configuration received from a serving network node of the wireless device operating in Time Division Duplex (TDD) mode. The method comprises determining which of the received one or more resource pool configurations that the wireless device should use to monitor for incoming discovery messages and transmit outgoing discovery messages.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: March 19, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Marco Belleschi, Mats Folke
  • Patent number: 10231155
    Abstract: A radio base station that performs radio communication with a mobile station in a cell and that includes: resource management unit that secures resources necessary for radio communication with the mobile station; and communication control unit that, in accordance with a reconnection request from the mobile station, uses the resources secured by the resource management unit to perform reconnection control for establishing radio communication with the mobile station. If a reconnection request is received from the mobile station that takes another radio base station as the connection source in a state in which resources have not been secured by resource management unit, communication control unit interrupts the reconnection control, executes handover with the other base station in order to switch the connection destination of the mobile station from the other base station to its own base station, causes resource management unit to secure resources, and then resumes the reconnection control.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: March 12, 2019
    Assignee: NEC CORPORATION
    Inventor: Tsuneyuki Kikuchi
  • Patent number: 10230503
    Abstract: Provided are methods and devices for determining or acquiring radio resources. The method for determining radio resources includes that: predefined information is acquired, wherein the predefined information includes indication information of a dedicated node, and/or, measured values of Component Carriers (CCs) on a multisystem shared spectrum, wherein the indication information includes: information of the maximum number of CCs, which are available to a system, on the multisystem shared spectrum, and the measured values are acquired according to preset signals on the CCs; and the maximum number of CCs, which are available to a system, on the multisystem shared spectrum is determined according to the predefined information. By the technical solution, the problem of interference between systems may be solved, and spectrum utilization efficiency is improved.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: March 12, 2019
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD
    Inventors: Bo Dai, Zhaohua Lu, Feng Xie, Wei Gou, Focai Peng
  • Patent number: 10223906
    Abstract: Systems and methods to determine open neutral conditions in a poly-phase electrical connection. Voltage measurements of at least two phases of poly-phase electrical power delivered to a customer premises are received from an electrical meter via a communications network providing communications among many electrical meters. The electrical power is delivered with a neutral conductor separate from the at least two phases. A first voltage measurement of a first phase and a second voltage measurement of a second phase of at least two phases are received. Based on determining that a difference between the first voltage measurement and the second voltage measurement exceeds a phase-to-phase threshold amount, a likely open neutral condition in the neutral conductor is determined. An indication of the likely open neutral condition is sent to a customer service system.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: March 5, 2019
    Assignee: Florida Power & Light Company
    Inventors: Adam David Meranda, Jose Cardelle
  • Patent number: 10219232
    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). An apparatus and a method for searching neighboring cells in a wireless communication system are provided. The method includes receiving, from adjacent base stations, a part of a first set of reference signals that are beamformed using different transmission beams arranged in a first order, the part of the first set of the reference signals being received during a first measurement interval in a first time interval, and receiving, from the adjacent base stations, a part of a second set of the reference signals that are beamformed using different transmission beams arranged in a second order, which is different from the first order, the part of the second set of the reference signals being received during a second measurement interval in a second time interval.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: February 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Kyu Yu, Jeong-Ho Park, Cheol Jeong, Chang-Hyun Kim, Jae-Eun Kang, Kang-Jin Yoon
  • Patent number: 10212093
    Abstract: A method, apparatus and computer program product are provided for sub-service flow based mapping in a cellular communication system. A sub-service flow User-plane interface between an Enforcement Point and a network control system (NCS) is defined. Relation and coordination of the sub-service flow User-plane interface associated with sub-service flow management actions on a Control-plane interface is defined. In-band packet marking is created to dynamically assist the identification of sub-service flow identities and receive corresponding quality of service (QoS)/quality of experience (QoE) treatments.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: February 19, 2019
    Assignee: Nokia Technologies Oy
    Inventors: Ling Yu, Matti Einari Laitila, Amit Kumar Sharma, Peter Szilagyi, Csaba Vulkan
  • Patent number: 10212629
    Abstract: A user apparatus configured to communicate with a base station in a radio communication system including a base station and the user apparatus, including: first reference signal reception means configured to measure a received power of first reference signals, transmitted from the base station, that are associated with a plurality of different identifiers, and to select a specific first reference signal; report means configured to report an identifier and a received power of the first reference signal selected by the first reference signal reception means to the base station or a macro cell base station; second reference signal reception means configured to receive a plurality of second reference signals transmitted from the base station; and measurement means configured to measure a reception quality of the second reference signals received by the second reference signal reception means, and to transmit feedback information based on the reception quality to the base station.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: February 19, 2019
    Assignee: NTT DOCOMO, INC.
    Inventors: Yoshihisa Kishiyama, Yuichi Kakishima
  • Patent number: 10212653
    Abstract: The present disclosure discloses a method and a network device for efficient mobile client device roaming in a wireless local area network with multiple access points. Specifically, a network device determines a first received signal strength value for a first set of signals transmitted between a client device and a first access point during a first time period; and, determines a second received signal strength value for a second set of signals transmitted between a client device and the access point during a second time period. Based on the first and the second signal strength values, the network device computes a change in signal strength value corresponding to wireless communication between the client device and the first access point. Based on the change in signal strength value, the network device selects the access point from a plurality of access points for providing network access to the client device.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: February 19, 2019
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Prateek Kapoor, Amit Madan, Santa PalChaudhuri
  • Patent number: 10206227
    Abstract: Aspects of the disclosure include a device that operates within a network service set. The device includes a transceiver configured to receive signals in a primary channel and in a secondary channel and a processing circuit. The processing circuit is configured to store a first clear channel assessment (CCA) threshold associated with signals from outside the network service set that are decodable by the device (OBSS_PD level), set a secondary channel CCA threshold to be equal to a level based on the OBSS_PD level, the secondary channel CCA threshold being associated with signals in a secondary channel, and determine whether a reception power level of a received secondary channel signal exceeds the secondary channel CCA threshold.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: February 12, 2019
    Assignee: MEDIATEK INC.
    Inventor: James June-Ming Wang
  • Patent number: 10206171
    Abstract: Methods and systems for scheduling wake/sleep cycles by a central device in a wireless network that have at least one mobile device include determining a system reference cycle as a minimum value of a delay constraint on a real-time service for each mobile device of the at least one mobile device that has a real-time service. A wake/sleep cycle length is attributed to each mobile device. The wake/sleep cycle length is an integer multiple of the system reference cycle such that a wake/sleep cycle length of a first mobile device is different from that of a second mobile device. A sleep period and a wake period are assigned within the wake/sleep cycle of each mobile device. The wake/sleep cycle of each mobile device is arranged to avoid collision of the wake period with those of other mobile devices.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: February 12, 2019
    Assignee: INTERDIGITAL CE PATENT HOLDINGS
    Inventors: Ning Liao, Jian Feng Chen, Xiao Jun Ma
  • Patent number: 10197662
    Abstract: A wireless device includes a transceiver and a positioning system. The positioning system a channel model adaptation module having channel model adaptation logic configured to update, for each of a plurality of access points applied to determine a position of a wireless device, a channel model. The channel model adaptation logic having a reference power update module with reference power update logic is configured to update a reference power value corresponding to each access point. A channel model update module with logic is configured to update a path loss exponent value applied to each access point.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: February 5, 2019
    Assignee: Texas Instruments Incorporated
    Inventor: Mohamed F. Mansour
  • Patent number: 10200097
    Abstract: Methods, systems, and devices for wireless communication are described. An access point (AP) may switch antenna array configurations during reception of a packet to determine channel characteristic information for the antenna array configurations. The AP may use the channel characteristic information to select an antenna array configuration for use, and to determine a beamforming steering matrix for the selected antenna array configuration. In some cases, the AP may use multiple antenna array configurations to transmit training fields in the preamble of a packet. The AP may receive channel characteristic information for each of the antenna array configurations. The AP may use the channel characteristic information to select an antenna array configuration for use, and to determine a beamforming steering matrix for the selected antenna array configuration.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: February 5, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Beomsup Kim, Ning Zhang, Xiaoxin Zhang, Youhan Kim
  • Patent number: 10200896
    Abstract: A method for performing a measurement by a communication device including selecting at least one measurement type of a plurality of measurement types, wherein each measurement type is assigned to a time slot, wherein the at least one measurement type is selected for a time interval which is pre-defined as a transmission gap of a receiver of the communication device for carrying out measurements by the receiver corresponding to the time slot; and performing a measurement of the at least one measurement type during the time interval.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: February 5, 2019
    Assignee: INTEL DEUTSCHLAND GMBH
    Inventor: Hyung-Nam Choi
  • Patent number: 10187927
    Abstract: A data communication method, where a first device receives a request message from at least one second device, where the request message requests the first device to forward group data, and the request message carries a group identifier. The first device returns a response message to the at least one second device, where the response message carries a layer-2 address and an Internet Protocol (IP) address corresponding to the group identifier, and the first device sends the group data using the layer-2 address when receiving the group data sent by a third device to the IP address.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: January 22, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Qiang Yi, Hui Jin, Guowei Ouyang, Yue He, Longyu Cao
  • Patent number: 10178705
    Abstract: Methods and apparatus for dynamic channel sensing for direct link in a High Efficiency WLAN (HEW) are provided. The methods include a method for dynamic channel sensing for a direct link by a first station (STA) in a wireless local area network. The method may include determining a first COLOR parameter of an access point to which the first STA is associated, exchanging with a second STA a COLOR parameter related to the direct link, the second STA being a peer STA of the first STA in the direct link, and determining a channel state based on a value of a COLOR field included in a received physical layer protocol data unit (PPDU) having a valid SIGNAL (SIG) field, the first COLOR parameter, and the COLOR parameter related to the direct link.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: January 8, 2019
    Inventor: Yongho Seok
  • Patent number: 10178607
    Abstract: The present disclosure provides a method for more efficiently managing a mobile communications network by varying the frequency with which a mobile terminal searches for a home network in accordance with the state of a preferred mobile communications network.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: January 8, 2019
    Assignee: British Telecommunications Public Limited Company
    Inventor: Richard Mackenzie
  • Patent number: 10178596
    Abstract: A method at a user equipment for handover from a serving cell to a target cell, the method sending a measurement report to the serving cell; and transmitting a reconfiguration complete message to the target cell; wherein the measurement report includes downlink timing measurements for the target cell. Further, a method at a source network element for handover of a user equipment from the source network element to a target network element, the method receiving a measurement report from the user equipment; sending a handover request to the target network element; receiving a handover request acknowledgement from the target network element, the handover request acknowledgement including a reconfiguration message and at least one downlink subframe in which an uplink grant is expected at the target network element for the user equipment; and forwarding the reconfiguration message and at least one downlink subframe to the user equipment.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: January 8, 2019
    Assignee: BlackBerry Limited
    Inventors: Chandra Sekhar Bontu, Yi Song, Zhijun Cai
  • Patent number: 10172072
    Abstract: Techniques, devices, and systems that include mechanisms for connectionless communications in wireless communication networks or systems include using a connectionless reverse link (RL) channel that is identified by a public long code mask. Power for the RL connectionless channel is adjusted by open loop power control under the control or a wireless device or by closed loop power control. The RL connectionless channel supports different transmission rates.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: January 1, 2019
    Assignee: ZTE Corporation
    Inventors: Yonggang Fang, Xiaowu Zhao, Ting Lu, YuanFang Yu
  • Patent number: 10168416
    Abstract: A method of determining a time of arrival (ToA) of a wireless transmission includes: sampling a signal received in a wireless transmission to generate first data in a time domain, performing a FFT on the first data to generate second data in a frequency domain, dividing the second data by a reference signal to obtain a channel frequency response, performing and IDFT on the channel frequency response to obtain a channel impulse response, determining a peak in the channel impulse response; and determining the ToA based on the peak.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Fei Tong
  • Patent number: 10172180
    Abstract: A first network interface and a second network interface of a wireless network device are respectively controlled to operate as a station in a first wireless network and as an access point in a second wireless network. A beacon message, which includes a first signal strength of a first bridge node that is an access point in the first wireless network, is transmitted through the second network interface. A probe response message, which includes a second signal strength of a second bridge node that is an access point in a third wireless network, is received at the second network interface. Conditioned on determining that the second signal strength is greater than the first signal strength, the first network interface is disconnected from the first bridge node and is connected to the second bridge node to operate as a station in the third wireless network.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: January 1, 2019
    Assignee: Marvell International Ltd.
    Inventors: Frank Huang, Hao Li, Tao Song, Qun Zhang, Nishant Sarmukadam, Timothy J. Donovan
  • Patent number: 10165501
    Abstract: A method for execution by a mobile station (MS) in a mobile communications network, the method comprising: receiving a first MS identifier from the network during a ranging operation involving the MS; using the first MS identifier to extract the contents of at least one message received from the network during said ranging operation; using a second MS identifier, different from the first MS identifier, to extract the contents of at least one message received from the network after said ranging operation is complete. Also, a method for execution by the base station, comprising: outputting a first message destined for the MS, the first message including a first identifier for use by the MS during a ranging operation; determining that said ranging operation is complete; outputting a second message destined for the MS, the second message including a second identifier for use by the MS in subsequent communication with the network.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: December 25, 2018
    Assignee: APPLE INC.
    Inventors: Mo-Han Fong, Hang Zhang, Robert Novak
  • Patent number: 10165472
    Abstract: Techniques described herein may enable a wireless cellular network to transfer a call from a packet-switched (PS) portion of the wireless cellular network to a circuit-switched (CS) portion of the wireless cellular network, in a manner that ensures that the CS network receiving the call can actually support the call. For instance, before the wireless cellular network selects RAT for the CS network for transferring a call, the wireless cellular network may identify a call type for the call (e.g., simple voice call, video call, etc.), identify a RAT for the CS network that can support the call type, and proceed to transfer the call to the CS portion of the wireless cellular network that can support the call type, thus ensuring that the call is not dropped as a result of the transfer.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: December 25, 2018
    Assignee: Intel IP Corporation
    Inventors: Nitin Gowda Basavarajappa, Deepak Dash
  • Patent number: 10165481
    Abstract: A serving eNodeB and a method thereof are provided. The serving eNodeB includes a receiver configured to receive, from a wireless transmit/receive unit (WTRU), a first measurement report including a physical layer cell identity (PCI) of a target closed subscriber group (CSG) cell detected by the WTRU, a transmitter configured to, in response to the received first measurement report, to transmit a message to the WTRU indicating that the WTRU is to read system information (SI) of the target CSG cell, and a processor. The receiver is further configured to, in response to a transmission of the message, receive a second measurement report for the target CSG cell including information read from the SI, and the processor is configured to, in response to receipt of the second measurement report, add the target CSG cell to a cell list and initiate a handover of the WTRU to the target CSG cell.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: December 25, 2018
    Assignee: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Sylvie Gomes, Diana Pani, Virgil Comsa, Mahmoud Watfa, Ulises Olvera-Hernandez, Pascal M. Adjakple, Catalina M. Mladin
  • Patent number: 10158397
    Abstract: According to one embodiment, a wireless device includes a receiver configured to receive a first beacon signal via a first channel; and control circuitry. The control circuitry is configured to: analyze the first beacon signal to obtain channel information for specifying a second channel, change an operation channel of the receiver from the first channel to the second channel, and change, in a case of not receiving a second beacon signal via the second channel during a predetermined period of time, the operation channel of the receiver from the second channel to the first channel. The receiver is further configured to receive a third beacon signal via the first channel after the operation channel is changed from the second channel to the first channel.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: December 18, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryoko Matsuo, Toshihisa Nabetani, Toshiyuki Nakanishi, Hirokazu Tanaka
  • Patent number: 10154455
    Abstract: Internet, voice calls, and messaging services have become ubiquitous and the means by which the services are accessed varies widely. The number and types of devices that may use these services have also proliferated. To serve a number and variety of client devices, a mobile Hotspot may be used, which is a device that may include a modem for mobile broadband access and a short range wireless link to distribute the services to local devices which may have such connectivity. Power consumption of battery powered client devices is an important consideration. A method and apparatus are disclosed that enable a client device to receive broadcast information about the mobile networks from a mobile Hotspot over a short range wireless link which may reduce power consumption of client devices.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: December 11, 2018
    Assignee: MBIT WIRELESS, INC.
    Inventor: Sivakumar Govindassamy
  • Patent number: 10123294
    Abstract: A method of synchronizing the transmission and receipt of messages by radios within a wireless communications network. It is assumed that the radios have chip scale atomic clocks, which are externally synchronized, such as by GPS, but only at the beginning of a mission. Each radio defaults to a sleep mode, in which its receive and transmit circuitry is inactive. Each radio stores a channel plan of pre-determined base transmit times, and calculates a worst case time drift between clocks and a propagation delay value between combinations of radios. At each base transmit time, if a radio has an outgoing message to transmit, it subtracts propagation delay from the base transmit time, and transmits only at that time. Also, for each base transmit time, each radio subtracts time drift, thereby determining a receive time window during which it listens for messages from other radios.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: November 6, 2018
    Assignee: SOUTHWEST RESEARCH INSTITUTE
    Inventors: Travis R. Thompson, Michael S. Moore, Kase J. Saylor, Patrick R. Heenan