Overlapping Cells Patents (Class 455/443)
  • Patent number: 10264576
    Abstract: Embodiments of the present invention relate to the communications field, and disclose a method for uplink data transmission, a terminal, and a wireless communication node, which can ensure that a HARQ mechanism between a terminal and a wireless communication node works normally. The method includes: determining, by a first wireless communication node, whether a terminal is within downlink coverage of a second wireless communication node; and when the first wireless communication node determines that the terminal is not within the downlink coverage of the second wireless communication node, instructing, by the first wireless communication node, the terminal to use a non-feedback mode; and/or instructing, by the first wireless communication node, the second wireless communication node to use a non-feedback mode.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: April 16, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Bo Lin, Chao Zhao
  • Patent number: 10225765
    Abstract: Certain networks can operate using circuit switched infrastructure, while other networks may operate using infrastructure for the long term evolution (LTE) of the third generation partnership project (3GPP). Devices can operate across the boundaries of these networks. Thus, such devices as well as the networks may benefit from network sharing in reverse single radio voice call continuity. For example, a method may include requesting handover of a user equipment from a source network to a target network. The method may also include providing a network identification corresponding to the source network while requesting the handover. Alternatively, or in addition, a method may include requesting handover of a user equipment from a source network to a target network. The method may also include determining the target network based on a network identification received previously.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: March 5, 2019
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Curt Wong, Lauri Kalevi Lahtinen
  • Patent number: 10171359
    Abstract: A cellular network is provided. The cellular network includes a plurality of control plane transceiver stations, each one configured to provide radio coverage over a corresponding first coverage area for allowing user equipment within said first coverage area to exchange signaling traffic with the control plane transceiver station. For each control plane transceiver station, the cellular network further comprises one or more hybrid transceiver stations located within the corresponding first coverage area. Each hybrid transceiver station is configured to be switched between: a) a user operation modality that allows user equipment within said user coverage area to exchange user traffic with the hybrid transceiver station, and b) a control operation modality that provides radio coverage over a corresponding control coverage area for allowing user equipment within said control coverage area to exchange at least signaling traffic with the hybrid transceiver station.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: January 1, 2019
    Assignee: TELECOM ITALIA S.p.A.
    Inventors: Sergio Barberis, Giorgio Calochira, Flavio Muratore, Andrea Schiavoni
  • Patent number: 10141944
    Abstract: Nonlinearity correction in a device that performs analog-to-digital conversion on received analog signals, may be calibrated by generating correction-parameters estimation which when applied to the total spectral content reduces distortion resulting from said nonlinearity in originally-unoccupied spectral regions. Digital signals generated based on sampling of the received analog signals may then be corrected, to remove nonlinearity related distortion, based on the estimated correction-parameters. The nonlinearity calibration may be performed during reception and handling of said analog signals. The correction-parameters may be generated based on signals located in particular spectral regions, such as the originally-unoccupied spectral regions. These signals may be injected within the device, into the particular spectral regions, and the signal may have known characteristics to enable estimating the required correction.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: November 27, 2018
    Assignee: MAXLINEAR, INC.
    Inventors: Mansour Rachid, Timothy Gallagher, Curtis Ling
  • Patent number: 10082559
    Abstract: A method is provided including receiving, by a user equipment connected to a serving cell of a wireless network, assistance data for performing measurements of positioning reference signals, wherein the assistance data comprises reference cell information for a reference cell, and neighbor cell information for one or more neighbor cells; in response to determining that the reference cell information comprises an indication that the user equipment is not to measure a positioning reference signal of the reference cell, selecting one of the neighbor cells as a new reference cell; and performing measurements of the positioning reference signals based on one or more of the remaining neighbor cells in the assistance data.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: September 25, 2018
    Assignee: Nokia Technologies Oy
    Inventor: Robert Saxon
  • Patent number: 10039009
    Abstract: Provided is a communication control apparatus including: a selection unit that uses information related to one or more terminal apparatuses operable as an access point for a small cell to select a protection target cell to be protected from interference caused by a new small cell newly configured, among one or more existing cells; and a control unit that gives an instruction of an operation of the new small cell to the at least one terminal apparatus existing at a position determined in a manner that interference to each of the protection target cells selected by the selection unit does not exceed an allowable level.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: July 31, 2018
    Assignee: SONY CORPORATION
    Inventors: Hiromasa Uchiyama, Ryo Sawai, Ryota Kimura, Sho Furuichi
  • Patent number: 10034295
    Abstract: An example technique may include determining, by a user device, downlink control channel timing information for each of a plurality of access points including for a serving access point that serves the user device and one or more standby access points; sending, by the user device to a cluster set manager via the serving access point, the downlink control channel timing information for each of the plurality of access points; receiving, by the user device from the cluster set manager via the serving access point, downlink control channel allocations including information identifying a downlink control channel allocated to the user device for each of a plurality of the access points; and receiving, by the user device, information from at least one of a plurality of the access points via a downlink control channel allocated to the user device for the at least one of the plurality of access points.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: July 24, 2018
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Anup Talukdar, Mark Cudak, Ahmad Awada, Christian Mahr
  • Patent number: 10021693
    Abstract: A base station will determine both that a served device's power headroom is threshold low and that the device's downlink receive signal strength is threshold low. In response to at least determining both that the device's power headroom is threshold low and that the device's downlink receive signal strength is threshold low, the base station will then begin applying an uplink coverage boosting process for the device, including limiting or reducing the number of frequency blocks that the base station allocates to the device for uplink transmission per transmission time interval, to help increase the device's per-frequency-block transmission power and thus the device's uplink communication quality. This could be usefully carried out with respect to voice over Long Term Evolution (VoLTE) uplink coverage boosting (VUCB) for instance, to help improve voice communication quality.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: July 10, 2018
    Assignee: Sprint Spectrum L.P.
    Inventors: Hemanth B. Pawar, Shilpa K. Srinivas, Krishna Sitaram
  • Patent number: 10009837
    Abstract: A method performed by a first network node of providing a last used PLMN ID in LTE to a second network node, the first network node and the second network node operating in a wireless communications network. The method comprises providing the last used PLMN ID in LTE of a wireless device in the wireless communications network, to the second network node, as soon as a Circuit Switched, CS, call due to a CSFB procedure has been setup. The providing of the PLMN ID is performed by one of: adding information about the last used PLMN ID in LTE to an existing message from the first network node to the second network node, and defining a new message from the first network node to the second network node. The new message comprises the last used PLMN ID in LTE.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: June 26, 2018
    Assignee: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Peter Hedman, Thomas Johansson, Magnus Karlsson, Paul Schliwa-Bertling
  • Patent number: 9992719
    Abstract: There is provided a method, performed by a network node (e.g. an RNC), for detecting a neighbor cell relation between different radio access technologies in a cellular communication network. The method comprises the step (S1) of triggering a User Equipment, UE, served in a first cell of a first radio access technology (e.g. WCDMA cell) under the control of the network node (e.g. RNC), to perform a cell selection process by initiating a connection release with redirection to a second radio access technology (e.g. GSM), causing the UE to select a second cell of the second radio access technology (e.g. GSM cell). The method also comprises the step (S2) of receiving information representing the identity of the second cell selected by the UE (e.g. CGI), and the step (S3) of identifying, based on the received information representing the identity of the second cell and information representing the identity of the first cell, a neighbor cell relation between the first cell and the second cell.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: June 5, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Lena Melin, Sofia Brismar
  • Patent number: 9955392
    Abstract: Techniques for use in selecting a base station transceiver system for communication with a mobile station are described. The mobile station is connected to a first base station transceiver system, and scans to identify a second base station transceiver system for communication. The mobile station further identifies that the second base station transceiver system provides a predetermined communication service, and that the first base station transceiver system fails to provide the predetermined communication service. In response to identifying, the mobile station causes the second base station transceiver system to be selected for communication over the first base station transceiver system even if the signal quality of the second base station transceiver system is worse than that of the first base station transceiver system.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: April 24, 2018
    Assignee: BlackBerry Limited
    Inventors: Muhammad Khaledul Islam, Asif Hossain
  • Patent number: 9949185
    Abstract: Mobile service anchor management (MSAM) is facilitated. MSAM is an anchor management function/system for radio frequency (RF) access configuration/reconfiguration over the downlink, and uplink separated novel frequency division duplex systems. One method comprises determining, by a MSAM system comprising a processor, that a mobile device communicatively coupled to a first network device is associated with a region in which the first network device fails to have line of sight communication with the mobile device; and assigning, by the mobile service anchor management system, the mobile device to a second network device determined to have the line of sight communication for the region. Millimeter watt (mmW) BS devices and devices that operate on other RF bands can be utilized.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: April 17, 2018
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Yuang Lou, Douglas A. Duet
  • Patent number: 9923681
    Abstract: A mobile communications network includes a core network including infrastructure equipment, and a radio network including plural base stations to provide a wireless access interface for communicating data to/from communications terminals. One base station operates as a serving base station to one of the communications terminals, to establish one or more communications bearers for communicating user data to/from the communications terminal via the core network and the radio network via the serving base station, and to co-operate with at least another base station to communicate the user data to/from the communications terminal.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: March 20, 2018
    Assignee: SCA IPLA HOLDINGS INC
    Inventors: Robert Zakrzewski, Milos Tesanovic
  • Patent number: 9894591
    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 providing a device-to-device (D2D) communication-based service for an isolated user equipment (IUE) by a relay user equipment (RUE) in a mobile communication system is provided. The method includes establishing a D2D link with an IUE; and supporting establishment of a relay cellular link for the IUE based on the established D2D link, wherein the RUE is within a service coverage of an enhanced node B (eNB).
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: February 13, 2018
    Assignees: Samsung Electronics Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Min Young Chung, Seung-Hoon Park, Dong-Hyun Kim, Dae-Gyun Kim, Hyun-Seok Ryu, Sueng-Jae Bae, Chi-Woo Lim
  • Patent number: 9844002
    Abstract: A method for managing a cellular network, which comprises a plurality of macro nodes defining respective macro cells and a plurality of small nodes within said macro cells, the method comprising, at each current time snapshot of a plurality of time snapshots and for each macro cell, providing, according to a history traffic load of the cellular network, an overload probability in a first configuration of the cellular network with only macro nodes activated. The method further comprises identifying, among said plurality of time snapshots, first candidate time snapshots for small nodes deactivation in each first candidate time snapshot the overload probability being lower than a threshold overload probability, and if the current time snapshot is one among the first candidate time snapshots, deactivating each small node having a current number of allocated radio resources lower than a threshold number.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: December 12, 2017
    Assignee: TELECOM ITALIA S.p.A.
    Inventors: Marco Caretti, Dario Sabella, Giovanni Stea, Antonio Virdis
  • Patent number: 9775183
    Abstract: A radio communication system and a method for assigning a short-lived Cell Radio Network Temporary Identifier, “CRNTI”, to a first user equipment performing random access to a radio network node are provided. The radio communication system registers the first user equipment as connected to the radio network node. A message for synchronizing the radio network node and the first user equipment with respect to the first time period is transferred. After the first time period has elapsed, the radio communication system maintains the first user equipment connected to the radio network node, and allows the short-lived CRNTI to be assigned to a second user equipment.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: September 26, 2017
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: György Miklós, Erik Eriksson, Johan Rune, Joachim Sachs, Zoltán Turányi, Niclas Wiberg
  • Patent number: 9749783
    Abstract: A wireless device detection computer device for determining the location of wireless device is provided. The WDD computer device includes a processor in communication with a memory. The processor is configured to receive a plurality of status messages from a plurality of anchor points. Each status message of the plurality of status messages includes a received signal strength associated with a first wireless signal received at the corresponding anchor point from a first wireless device. The processor is also configured to determine a plurality of subsets of the plurality of anchor points, determine a potential location of the first wireless device for each of the plurality of subsets, generate a clustering of the plurality of potential locations, select a first group of the plurality of subsets based on the clustering, and calculate a final location of the first wireless device.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: August 29, 2017
    Assignee: The Boeing Company
    Inventors: Rodolfo A. Santiago, Thomas Goff
  • Patent number: 9736765
    Abstract: Embodiments of the present disclosure describe systems, devices, and methods for load balancing in a wireless communication network based on user equipment (UE) mobility. In embodiments, a UE may receive a plurality of cell reselection priority configurations designated for different levels of UE mobility. The UE may determine its mobility and select one of the cell reselection priority configurations based on the determined mobility. The UE may establish a radio resource control (RRC) connection, such as an RRC idle mode connection, on a carrier frequency and/or cell based on the selected cell reselection priority configuration. Other embodiments may be described or claimed.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: August 15, 2017
    Assignee: Intel IP Corporation
    Inventors: Candy Yiu, Youn Hyoung Heo
  • Patent number: 9713014
    Abstract: Provided is a communication control apparatus including: a selection unit that uses information related to one or more terminal apparatuses operable as an access point for a small cell to select a master terminal operating the small cell and one or more sub-master terminals; and a control unit that instructs the at least one sub-master terminal to be involved in an operation of the small cell according to occurrence of an event disturbing the operation of the small cell by the master terminal.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: July 18, 2017
    Assignee: SONY CORPORATION
    Inventors: Hiromasa Uchiyama, Ryo Sawai, Ryota Kimura, Sho Furuichi
  • Patent number: 9674369
    Abstract: Provided is a communication control apparatus including: a selection unit that uses information related to one or more terminal apparatuses operable as an access point for a small cell to select a protection target cell to be protected from interference caused by a new small cell newly configured, among one or more existing cells; and a control unit that gives an instruction of an operation of the new small cell to the at least one terminal apparatus existing at a position determined in a manner that interference to each of the protection target cells selected by the selection unit does not exceed an allowable level.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: June 6, 2017
    Assignee: SONY CORPORATION
    Inventors: Hiromasa Uchiyama, Ryo Sawai, Ryota Kimura, Sho Furuichi
  • Patent number: 9641627
    Abstract: Examples may include a remapping of sessions for a multi-threaded application that may be executed at a server or a client coupled to the server via a plurality of transmit control protocol (TCP) connections. Sessions may be remapped such that the multi-threaded application may expect to route sessions through a same TCP connection but the sessions are actually outputted via separate TCP connections.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: May 2, 2017
    Assignee: Intel Corporation
    Inventors: Yao Zu Dong, Kun Tian
  • Patent number: 9641993
    Abstract: A method, a device, and a non-transitory storage medium having instructions to store a first access class barring parameter and a second access class barring parameter pertaining to emergency calls via a cell on which a wireless device is camped; receive an indication that an emergency call is to be established; select one or more values of the second barring parameter in response to a determination that a value of the first barring parameter indicates that the emergency call cannot be established via the cell; select a first candidate cell based on the one or more values of the second barring parameter; and determine whether the emergency call can be established via the first candidate cell based on the one or more values of the second barring parameter and system information pertaining to the first candidate cell.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: May 2, 2017
    Assignee: Verizon Patent and Licensing Inc.
    Inventors: Jonathan Daniel Bahta, Timothy Vogel, Toby Varughese John
  • Patent number: 9642076
    Abstract: Techniques for use in selecting a base station transceiver system for communication with a mobile station are described. The mobile station is connected to a first base station transceiver system, and scans to identify a second base station transceiver system for communication. The mobile station further identifies that the second base station transceiver system provides a predetermined communication service, and that the first base station transceiver system fails to provide the predetermined communication service. In response to identifying, the mobile station causes the second base station transceiver system to be selected for communication over the first base station transceiver system even if the signal quality of the second base station transceiver system is worse than that of the first base station transceiver system.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: May 2, 2017
    Assignee: BlackBerry Limited
    Inventors: Muhammad Khaledul Islam, Asif Hossain
  • Patent number: 9596630
    Abstract: The embodiments herein relate to a method in a target RAN node for enabling source based selection of a serving operator which should serve a wireless device in a target shared network. During handover, the target RAN node receives the serving operator that should serve the wireless device in the target shared network. After the handover, the target RAN node transmits a request for the IMSI and receives a response with the IMSI. The target RAN node obtains information about the serving operator stored during the handover. The target RAN node determines a target CN node served by the serving operator if the target shared network is a MOCN network. The target RAN node transmits information indicating the serving operator to the target CN node if the target shared network is a GWCN network.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: March 14, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Paul Schliwa-Bertling, Bo Ehrenholm, Roland Gustafsson, Josefin Karlsson
  • Patent number: 9521633
    Abstract: An apparatus stores first identification information in association with each of a plurality of base stations, where the first identification information identifies locations included in a wireless area that is formed according to transmission power control by each of the plurality of base stations. The apparatus controls, based on parameters indicating wireless communication capability at a target location that is included in a first wireless area formed by a first base station and identified by the first identification information, transmission power of a second base station which forms a second wireless area including the target location.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: December 13, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Yusuke Shoji, Kiyofumi Hara, Kazutoshi Kawamura, Hiroyuki Ohhashi, Naoya Yamazaki, Kiyoshi Komatsu
  • Patent number: 9510349
    Abstract: Methods and apparatus for wireless communication are provided. In one aspect, a method of wireless communication comprises receiving a first resource request including a first interval for at least one timing-priority task associated with a first radio access technology and a second resource request including a second interval for at least one timing-non-priority task associated with the first radio access technology. The method comprises granting the first resource request and reserving the first interval for the at least one timing-priority task associated with the first radio access technology. The method comprises receiving at least a third resource request including a third interval for at least one timing-priority task associated with a second radio access technology.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: November 29, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Bhaskara Viswanadham Batchu, Parthasarathy Krishnamoorthy, Rashid Ahmed Akbar Attar, Jun Hu, Anand Rajurkar, Dhananjaya Sarma Ponukumati
  • Patent number: 9503915
    Abstract: A method includes steering client devices to access points that potentially increase capacity of communications using beamformed transmissions. In particular, this includes determining the best access points for beamforming to a particular client or a group of clients in the network for an improved throughput performance in the deployment or a subset of access points.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: November 22, 2016
    Assignee: Aruba Networks, Inc.
    Inventors: Kalyan Dharanipragada, Gautam D. Bhanage, Venkatesh Kannan, Sachin Ganu, Scott McGrath
  • Patent number: 9497732
    Abstract: Techniques for supporting communication in a dominant interference scenario are described. A user equipment (UE) may communicate with a first base station and may observe high interference from and/or may cause high interference to a second base station. In one design, the first base station may use a first frequency band, which may overlap at least partially with a second frequency band for the second base station and may further extend beyond the second frequency band. The first base station may send at least one synchronization signal and a broadcast channel in a center portion of the first frequency band for use by UEs to detect the first base station. The second frequency band may be non-overlapping with the center portion of the first frequency band. The first base station may also communicate with at least one UE on the first frequency band.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: November 15, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Kapil Bhattad, Ravi Palanki
  • Patent number: 9432889
    Abstract: The present invention aims to reduce the cost of planning and maintaining neighbor cell sets by requiring mobile terminals to make an additional effort to identify uniquely neighboring cells in the radio network. decided.
    Type: Grant
    Filed: January 21, 2013
    Date of Patent: August 30, 2016
    Assignee: Unwired Planet, LLC
    Inventors: Johan Moe, Harald Kallin
  • Patent number: 9432931
    Abstract: A method for controlling the activity of a base station entity of a first type in a mobile communication network is a mobile device having a communication link in a base station entity of a second type includes: sending, by the mobile device, a connection request to the base station entity of the second type, the connection request being related to a request of the mobile device to have a communication link with the base station entity of the first type while the base station entity of the first type is in its second operational mode; and activating the first operational mode of the base station entity of the first type and establishing the communication link between the mobile device and the base station entity of the first type established.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: August 30, 2016
    Assignee: DEUTSCHE TELEKOM AG
    Inventors: Matthias Roebke, Markus Breitbach
  • Patent number: 9414278
    Abstract: Techniques for use in selecting a base station transceiver system for communication with a mobile station are described. The mobile station is connected to a first base station transceiver system, and scans to identify a second base station transceiver system for communication. The mobile station further identifies that the second base station transceiver system provides a predetermined communication service, and that the first base station transceiver system fails to provide the predetermined communication service. In response to identifying, the mobile station causes the second base station transceiver system to be selected for communication over the first base station transceiver system even if the signal quality of the second base station transceiver system is worse than that of the first base station transceiver system.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: August 9, 2016
    Assignee: BlackBerry Limited
    Inventors: Muhammad Khaledul Islam, Asif Hossain
  • Patent number: 9386541
    Abstract: Transmit power (e.g., maximum transmit power) may be defined based on the maximum received signal strength allowed by a receiver and a total received signal strength from transmitting nodes at the receiver. Transmit power may be defined for an access node (e.g., a femto node) such that a corresponding outage created in a cell (e.g., a macro cell) is limited while still providing an acceptable level of coverage for access terminals associated with the access node. An access node may autonomously adjust its transmit power based on channel measurement and a defined coverage hole to mitigate interference and perform a self-calibration process.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: July 5, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Mehmet Yavuz, Farhad Meshkati, Mostafa El-Khamy, Sanjiv Nanda
  • Patent number: 9380554
    Abstract: The invention relates to a radio network controller (RNC) for receiving a LOCATION_REPORTING_CONTROL message and analyzing a value of a request type information element received in the LOCATION_REPORTING_CONTROL message. The RNC directly determines requested location information for a user equipment (UE) if the request information element indicates sending location information as a direct response to the LOCATION_REPORTING_CONTROL message or the RNC determines the requested location information if the UE changes the service area if the request information element indicates sending location information at a change of service area by the UE. The RNC then sends a LOCATION_REPORT message comprising the location information and the request type information element to at least one control node.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: June 28, 2016
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Enrico De Luca, Alessandro Lala, Martin Israelsson, Anders Molander, Maurizio Iovieno, Arpad Kormos
  • Patent number: 9380504
    Abstract: The present invention discloses a method, a user equipment, and a base station for changing an access cell. According to the method, the user equipment, and the base station in the embodiments of the present invention, when the UE leaves the coverage of the first radio network and the UE is in the dual-camped state, the first cell of the first radio network that the UE currently accesses is changed to the second cell of the second radio network that the UE currently accesses, so as to avoid a cell change failure caused by an incorrect target cell during cell reselection or handover, thereby accurately changing an access cell, reducing network delay, and improving user experience.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: June 28, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Pingping Xing, Mingzeng Dai, Jun Qin
  • Patent number: 9374714
    Abstract: In a method of configuring a cell for operation in a wireless communication network, a determinable neighborhood of cells within the network is used for cell configuration. In the method, a neighborhood of cells is selected for the given cell to be configured. Data is acquired from cells of the selected neighborhood, and configuration settings for the given cell are determined based on the acquired data.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: June 21, 2016
    Assignee: Alcatel Lucent
    Inventor: David Abusch-Magder
  • Patent number: 9357450
    Abstract: A method and a device for data processing in a mobile communication network are provided, wherein a control information is conveyed between a mobile terminal and an anchor node within said mobile communication network, and wherein based on said control information, a handover synchronization between a source network and a target access network is conducted utilizing an intermediate state of a mobility management. Furthermore, a communication system is suggested comprising said device.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: May 31, 2016
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Jochen Eisl, Gerhard Kuhn
  • Patent number: 9357453
    Abstract: A home base station and method for supporting a plurality of cells under carrier aggregation. The home base station includes a preamble generator and a preamble monitor. The preamble generator allocates respective random access resources in the cells for handover to be carried out by a user equipment (UE), and upon receiving a handover request signal transmitted by a Mobility Management Entity (MME), generates a specific preamble and its transmission time, so that the UE performs random access on the cells based on the preamble and the transmission time to obtain the random access resources and sends out a Random Access Preamble (RAP). The preamble monitor enables the cells to simultaneously monitor the RAP sent by the UE, and when one of the cells receiving the RAP, identifies the cell on which the UE camps based on which one of the cells that has the RAP.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: May 31, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Chia-Lung Liu, Kuei-Li Huang, Ching-Hsu Chang
  • Patent number: 9344940
    Abstract: A handover method includes the steps: (1a) detecting, at a serving node, signal quality of a signal transmitted from the serving node to a user equipment (UE) being worse than a predefined threshold; (1b) identifying, at the serving node, node(s) transmitting to the UE the strongest signals interfering with signals being transmitted to the UE; (1c) sending, by the serving node, a request for starting an inter-cell interference coordination scheme; (1d) rescheduling, by the node(s) identified in step (1b), users currently being served by the node(s); (1e) informing, by the node(s) identified in step (1b), the serving node of the UE which resources have, been reserved in step (1d); (1f) scheduling, by the serving node, the UE to the resources reserved in step (1d); (1g) starting, by the serving node, handover of the UE from the serving node to a target node; and (1h) completing the handover of the UE.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: May 17, 2016
    Assignee: DEUTSCHE TELEKOM AG
    Inventors: Jakob Belschner, Quan Kuang
  • Patent number: 9332460
    Abstract: The method and apparatus for CSFB are provided. The method includes transmitting a MO CS request to a LTE network or receiving a MT CS call notification from a LTE network; triggering or accepting a CSFB procedure by the UE; receiving redirection information from the LTE network; judging whether system information corresponding to candidate cells is provided in the redirection information; acquiring system information corresponding to candidate cells, wherein the system information includes location area identifications (LAI) corresponding to candidate cells in the redirection information to determine whether the candidate cells belong to a registered LA; setting the candidate cell belonging to the registered LA to a higher priority; selecting the candidate cell with the higher priority as a target cell; and connecting to the target cell first.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: May 3, 2016
    Assignee: MEDIATEK INC.
    Inventors: Chi-Chen Lee, Hung-Yueh Chen
  • Patent number: 9287911
    Abstract: In systems and methods of mitigating L-band signal interference in a wireless communication system, it is determined that an aggregate power level of a plurality of wireless devices using an L-band carrier in communication with an access node meets a power level threshold. A probability of successful handover to a second carrier for each of the wireless devices is determined. At least one of the wireless devices is selected based on the determined probability of successful handover and a transmit power metric of the wireless device, and the selected at least one wireless device can be handed over to the second carrier.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: March 15, 2016
    Assignee: Sprint Spectrum L.P.
    Inventors: Aik Chindapol, Daniel Vivanco, Chunmei Liu
  • Patent number: 9288726
    Abstract: The present invention discloses a method for a core network to obtain user access information during a handover procedure, which includes: when the user handovers between HNBs or HeNBs and the core network does not carry out access control of the user, if the destination HeNB is connected to the core network directly or the user which does not support a closed subscriber group handovers to a hybrid destination HNB, the network element which controls the access of the user transmitting membership information of the user to the core network. The invention also discloses a corresponding system. The invention realizes that under the condition that the RAN side controlling the access of the UE during the handover process and the CN cannot know the membership of the UE, the RAN side notifying the core network of the membership information of the UE and the information of the H(e)NB.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: March 15, 2016
    Assignee: ZTE Corporation
    Inventors: Shengming Wang, Lin Liu, Di Wang
  • Patent number: 9271207
    Abstract: Examples disclosed herein provide systems, methods, and software for transitioning between wireless communication networks. In one example, a method of operating a wireless communication device to transition between wireless communication networks includes exchanging first wireless communication signals with a Long Term Evolution (LTE) network for an application in the wireless communication device. The method further includes transitioning from exchanging the first wireless communication signals with the LTE network, to exchanging second wireless communication signals with at least one non-LTE base station for the application in the wireless communication device, and identifying LTE network status data to estimate an LTE network data rate. Based at least on the LTE network data rate, the method provides identifying an eNodeB sector and frequency carrier.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: February 23, 2016
    Assignee: Sprint Communications Company L.P.
    Inventors: Rajveen Narendran, Sreekar Marupaduga
  • Patent number: 9264855
    Abstract: Techniques are disclosed for estimating a cell center and/or coverage area of an antenna, and geographic coverage of cell IDs associated therewith, using crowdsourcing data from mobile phones. The techniques described herein can utilize two different data sets to accommodate changes in the geographical coverage associated with a cell ID and reduce the probability of putting the cell center estimate in awkward or unlikely locations.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: February 16, 2016
    Assignee: Qualcomm Incorporated
    Inventors: Gengsheng Zhang, Weihua Gao, Sai Pradeep Venkatraman
  • Patent number: 9232462
    Abstract: Methods and apparatus for providing cross-cell signaling and/or coordination for interference mitigation in wireless communication networks are described. In one aspect, a UE associated with a serving eNB may receive control signaling from another non-serving eNB in a different cell. The control signaling may be consistent with a characteristic of the serving eNB and associated cell. In another aspect, multiple eNBs may coordinate transmission of DL resources to minimize collisions of control signaling resources.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: January 5, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Tao Luo, Xiaoxia Zhang, Kibeom Seong, Ke Liu, Taesang Yoo
  • Patent number: 9219530
    Abstract: The present system relates to a method for signal transmission in a CoMP scheme. Each cell that performs a CoMP operation in capable of setting and allocating a particular carrier and a particular CoMP zone in order to execute a particular CoMP scheme. Using the particular CoMP zone and the allocated carrier, a terminal can transmit and receive a CoMP signal corresponding to the particular CoMP zone and the allocated carrier. The terminal can perform measurement of a carrier or a particular zone within the carrier and select a carrier or a particular zone, on the basis of the measurement value. On the other hand, a serving base station can select a carrier or a particular zone, on the basis of the measurement value that is received from the terminal.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: December 22, 2015
    Assignee: LG Electronics Inc.
    Inventors: Ja Ho Koo, Yeong Hyeon Kwon, Jian Xu, Sung Ho Moon, Bin Chul Ihm, Jae Hoon Chung
  • Patent number: 9210260
    Abstract: Some embodiments of a telephone system and its operations are described herein. In some embodiments, the operations include establishing a communication link between a mobile device and a base station. The communication link enables an exchange of communications between the mobile device and the base station. The operations can further include detecting, at the base station via the communication link, initiation of a telephone call of the mobile device received via a mobile network. The operations can further include determining that the mobile device will be stationary during the telephone call. The operations can further include terminating location tracking of the mobile device within the mobile network during at least a portion of the telephone call in response to determination that the mobile device will be stationary during the telephone call.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: December 8, 2015
    Assignee: QUALCOMM Incorporated
    Inventor: Yuan Lu
  • Patent number: 9198124
    Abstract: A method for performing a selection of a public land mobile network identity in a shared network environment, in which environment at least two public land mobile network identities are available for providing circuit switched based service to user equipment. The method includes at least a step of deter-mining a capability of the user equipment and a step of selecting the public land mobile network identity at least partly on the basis of the capability of the user equipment among the at least two public land mobile network identities. Information on the capability of the user equipment is either received from the user equipment or from a database including capability information on the user equipment. Furthermore, a network element and a system for implementing at least partly the method are described.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: November 24, 2015
    Assignee: TELIASONERA AB
    Inventors: Anders Dahlen, Ulf Nilsson
  • Patent number: 9179467
    Abstract: A method of operating a network coordinator for a spatial reuse scheme includes receiving a reservation request for a time period for a data communication of a target transmitter/receiver pair that uses a directional antenna, searching for a time period reserved in advance for another transmitter/receiver pair, from a Channel Time Allocation Period (CTAP) that is a contention-free access period for the data communication, and reserving a time period for the target transmitter/receiver pair in the CTAP, so that the time period reserved for the target transmitter/receiver pair overlaps the time period reserved in advance for the other transmitter/receiver pair.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: November 3, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyeongpyo Kim, Seung Eun Hong, Woo Yong Lee, Hyun Kyu Chung
  • Patent number: 9179403
    Abstract: A method is provided of switching a femtocell base station for wireless telecommunications between a dormant mode and an active mode. The femtocell base station lies within the coverage area of a macrocell base station. The macrocell base station determines whether a user terminal authorized to connect with the femtocell base station is within the coverage area of the femtocell base station, and dependent upon said determination the macrocell base station transmitting over air to the femotocell base station a command for the femtocell base station to switch mode.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: November 3, 2015
    Assignee: Alcatel Lucent
    Inventors: Lester Tse We Ho, Imran Ashraf
  • Patent number: 9179373
    Abstract: Aspects are described for redirecting wireless terminals between wireless networks. In a first embodiment, a coverage quality of user equipment within a first wireless network is monitored. Multiple candidate frequencies are then ascertained in response to the coverage quality to facilitate a communication between the user equipment and a second wireless network. The candidate frequencies are then communicated to the user equipment. In another embodiment, an indication of a plurality of candidate frequencies is received, and a failure in performing a handover from a first wireless network to a second wireless network is detected. For this embodiment, the handover is attempted via a primary frequency. An alternative frequency is then selected from the plurality of candidate frequencies in response to the failure, and a communication with the second wireless network is established via the alternative frequency.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: November 3, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Arvind Swaminathan, Srinivasan Balasubramanian