Patents Examined by Jung-Jen Liu
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Patent number: 9450718Abstract: The present invention provides a method and apparatus for estimating channel quality information, a base station and a network central processing device. According to the embodiments of the present invention, a macro cell includes multiple transmission points, the method can comprise receiving the channel quality information which is measured by a user equipment based on a cell specific reference signal; obtaining channel matrix information the multiple transmission points; calculating beamforming information on a single cell transmission and a coordinated multi-point transmission based on the channel matrix information; and estimating the channel quality information for the single cell transmission and the coordinated multi-point transmission based on the channel quality information, the channel matrix information, and the beamforming information.Type: GrantFiled: February 24, 2012Date of Patent: September 20, 2016Assignee: NEC (China) Co., Ltd.Inventors: Gang Wang, Ming Lei
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Patent number: 9445346Abstract: Tones within a channel can be selected randomly and/or based on orthogonal tone selection. Random selection can include selecting tones randomly from a fixed set, which is referred to as channelized tone selection. Channelized tone selection can be chosen if a critical tone exists. Random selection can also include selecting resources randomly from the total number of resources available, which is referred to as non-channelized tone selection. Orthogonal tone selection can be chosen to mitigate the probability of receiver desensitization and/or to attempt to mitigate interference.Type: GrantFiled: February 18, 2014Date of Patent: September 13, 2016Assignee: QUALCOMM IncorporatedInventors: Ashwin Sampath, Gavin Bernard Horn, Husheng Li
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Patent number: 9445308Abstract: A method for verifying and/or preprocessing data packets received by a receiving device in a vehicle during wireless vehicle-to-environment communication includes: determining, in the receiving device, relevance of the received data packets; prioritizing, and verification and/or preprocessing according to their relevance, the data packets for the determination of the relevance depending on the distance between a transmitting device and the receiving device; and checking the signature of the transmitting device of the data packets and/or preprocessing the data packets in an order predefined by the prioritizing. The determination of the relevance also depends on the type of data packet and/or the type or position of the transmitting device, taking into account the position of the transmitting device based on another safety-relevant object.Type: GrantFiled: May 14, 2013Date of Patent: September 13, 2016Assignee: Continental Automotive GmbHInventors: Stefan Römmele, Ulrich Staehlin
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Patent number: 9444767Abstract: The present invention concerns a method and system for associating a device with a gateway, said gateway being designed to communicate firstly with the device via a communication network and secondly with another device referred to as the server. The method comprises a step of sending, by the server and to the gateway, of an authorization so that a device may be associated with this gateway.Type: GrantFiled: October 29, 2012Date of Patent: September 13, 2016Assignee: Delta DoreInventor: Jean Le Tutour
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Patent number: 9439137Abstract: The present invention relates to a wireless communication system, and more particularly, disclosed are a method and apparatus for remote access. According to one embodiment of the present invention, a method for selecting a gateway node for connecting a packet data network (PDN) from among control nodes of a communication system comprises the steps of: receiving, from user equipment (UE) and through a first base station, a PDN connection request message including an access point name (APN) of a network to be accessed by the UE; and, if the APN of the network to be accessed by the UE is an APN for remote access, selecting a local gateway associated with a second base station.Type: GrantFiled: September 7, 2012Date of Patent: September 6, 2016Assignee: LG ELECTRONICS INC.Inventors: Laeyoung Kim, Taehyeon Kim, Hyunsook Kim
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Patent number: 9439098Abstract: The techniques described herein involve analysis of communication data included in trace file(s) of device(s) involved in a communication. These trace file(s) may each include data associated with multiple layers of a communication protocol stack of a respective device or data associated with a single such layer. The techniques may further involve one or more of determination of performance metrics associated with data at a specific layer of a specific device, correlation of the data between layers of a device, or correlation of data across multiple device(s) involved in the communication. The performance metrics or correlated data may then be analyzed based on thresholds or models to determine whether the performance metrics or correlated data exhibits a degraded quality of user experience. Also or instead, graphic or textual representations of the performance metrics or correlated data may be generated.Type: GrantFiled: February 18, 2014Date of Patent: September 6, 2016Assignee: T-Mobile USA, Inc.Inventors: Jie Hui, Zachary William McPherson, Kranthi Sontineni, Peter P. Myron, Himesh Bagley, Jeffery A. Smith
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Patent number: 9432137Abstract: Dual mode radio for frequency division duplexing and time division duplexing communication modes. In some embodiments, dual mode radio for frequency division duplexing and time division duplexing communication modes includes a multi-mode communication unit for wireless communication, in which the multi-mode communication unit allocates access for a time based communication mode and a frequency based communication mode; and a processor configured to implement at least in part the multi-mode communication unit. In some embodiments, the time based communication mode includes a time division duplexing (TDD) communication mode, and the frequency based communication mode includes a frequency division duplexing (FDD) communication mode.Type: GrantFiled: August 30, 2013Date of Patent: August 30, 2016Assignee: AirHop Communications, Inc.Inventors: Yan Hui, Hanson On, Edwin Park
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Patent number: 9432415Abstract: Measures for processing data in a telecommunications network. At a first network node in a cluster of network nodes, a communication session setup request requesting setup of a communication session with a subscriber device in a plurality of subscriber devices is received. In response to receipt of the communication session setup request, registration data relating to the subscriber device is retrieved from a shared registration data store. The communication session setup request is routed according to the retrieved registration data. The retrieved registration data relating to the subscriber device was previously stored in the shared registration data store by a second network node in the cluster of network nodes in relation to a registration procedure conducted for the subscriber device by the second network node, the second network node being a different network node to the first network node in the cluster of network nodes.Type: GrantFiled: April 30, 2014Date of Patent: August 30, 2016Assignee: Metaswitch Networks Ltd.Inventor: Michael Jeffrey Evans
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Patent number: 9426711Abstract: A method of handling traffic within an IP Multimedia Subsystem, IMS, network. The method comprises registering an IMS user with a first Serving Call Session Control Function, S-CSCF, of the IMS network. Subsequently, at the first S-CSCF, a decision is made or instruction received to transfer said user to an alternative, second S-CSCF within the IMS network. A notification is sent from said first S-CSCF to a further IMS node, the notification including an explicit instruction to select a second S-CSCF and, upon receipt of said notification at the further IMS node, an S-CSCF reselection initiated for the user in order to select a second S-CSCF.Type: GrantFiled: May 26, 2011Date of Patent: August 23, 2016Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Tobias Austrell, Timo Forsman, Annika Jonsson, Jan Anders Tellinger, Marlene Yared
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Patent number: 9426056Abstract: An approach is provided for determining alternative paths. Information is stored specifying a set of available paths among network elements within a connection-oriented network. The available paths are sorted according to a predetermined criterion. The sorted paths are selectively filtered based on either a particular one of the network elements, a region associated with one or more of the network elements, or a combination thereof.Type: GrantFiled: October 18, 2013Date of Patent: August 23, 2016Assignee: VERIZON PATENT AND LICENSING INC.Inventors: James N. Russell, Kenny M. Hawkins, Chad M. Renfro, Bob E. Taylor
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Patent number: 9419906Abstract: A method is provided for congestion control in a network node (114; 510; 700; 900) of a communication network (701). The network node handles a plurality of data connections (DC1-N; RAB1-N) for conveying data between a first side and a second side of the communication network. The congestion control involves associating the data connections with respective target weights (wk; k=1-N) for Quality-of-Service (QoS) bit-rate differentiation. The method comprises the following steps, performed in the network node. Experienced bit-rates (rk=1-N) are obtained (620) for the data connections (DC1-N; RAB 1-N). For each data connection (DCi; RAB i), a time integrated difference is determined (632) between the data connection's targeted bit-rate according to its target weight (wi), and its experienced bit-rate (ri). Then, for each data connection, an adjusted weight (w?i) for QoS bit-rate differentiation is calculated (634) based on the determined time integrated difference and the target weight (wi).Type: GrantFiled: July 5, 2011Date of Patent: August 16, 2016Assignee: TELEFONAKTIEBOLAGET L M ERICSSONInventors: Erik Geijer Lundin, Leif Lundin
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Patent number: 9419759Abstract: One embodiment of the present invention relates to a method for a terminal acquiring synchronization in a wireless communication system, comprising the steps of: receiving a first signal from on a first carrier; receiving a second signal, which is positioned on a resource element having a predetermined pattern, from at least one subframe from subframes excluding the subframe that receives the first signal; and acquiring synchronization with respect to the first carrier by using the first signal and the second signal.Type: GrantFiled: August 14, 2012Date of Patent: August 16, 2016Assignee: LG Electronics Inc.Inventors: Hyeyoung Choi, Jinmin Kim, Seunghee Han, Hyukmin Son, Hyunwoo Lee
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Patent number: 9419698Abstract: An embodiment of the present invention relates to the technical field of wireless communications, in particular to an aerial calibration method, system and device. In the prior art, an air interface calibration method involving a user equipment (UE) requires the UE to feed back a channel coefficient, and a channel coefficient direct quantization method occupies a great deal of uplink overhead and reduces system efficiency. The present invention solves the above problem. The method in the embodiment of the present invention comprises: the UE measures a downlink channel and determines a downlink channel matrix; the UE determines a first weighting matrix for aerial calibration according to the downlink channel matrix; the UE notifies a network side of the determined first weighting matrix.Type: GrantFiled: February 6, 2013Date of Patent: August 16, 2016Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Qiubin Gao, Ranran Zhang
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Patent number: 9414361Abstract: Provided is a control station device that is capable of using an easy scheduling scheme in spectrum-overlapped resource management. The control station device, which allocates a frequency band which multiple communication apparatuses each use for communication, includes a group setting module that divides the multiple communication apparatuses into multiple groups and a scheduling module that determines the frequency band that is allocated to each of the communication apparatuses. In the control station device, the scheduling module allows the allocated frequency band to be shared by the communication apparatuses that are different from each other in terms of the group to which each of the communication apparatuses belongs.Type: GrantFiled: February 15, 2013Date of Patent: August 9, 2016Assignee: Sharp Kabushiki KaishaInventors: Kazunari Yokomakura, Hiroki Takahashi, Jungo Goto, Osamu Nakamura, Yasuhiro Hamaguchi
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Patent number: 9414372Abstract: A method for speeding up a filter tracking speed includes scaling filter coefficients based at least in part on an uplink/downlink configuration in a time division duplex (TDD) or a multimedia broadcast single frequency network (MBSFN) system. The method also includes applying scaled filter coefficients during at least one downlink subframe to control a filter tracking speed.Type: GrantFiled: March 12, 2013Date of Patent: August 9, 2016Assignee: QUALCOMM INCORPORATEDInventors: Jun Won Choi, Huilin Xu, Raghu Narayan Challa
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Patent number: 9407553Abstract: When a reduction in the transmission speed of the line preset as the TDM line transfer route is detected by a device-connecting line termination unit, a mapping request, to which information indicating the amount of TDM-line bandwidth overflowing from the line and a destination indicating the final line relaying device have been added, is generated by the mapping request processing unit, and transmitted via the other line to another device connected in a ring network in order to map the overflow amount of bandwidth added to the mapping request on each line sequentially from the other device to the line relaying device as the final transfer destination, thereby forming a TDM-line detour route.Type: GrantFiled: September 27, 2012Date of Patent: August 2, 2016Assignee: NEC CORPORATIONInventors: Tsutomu Koike, Shunichi Kumagai
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Patent number: 9408207Abstract: Methods and apparatus of wireless communication at a user equipment comprise compressing an uplink data packet. The methods and apparatus further comprise transmitting the uplink data packet on an uplink dedicated transport channel (DCH) to a network entity a plurality of times within a time duration allowed for transmission of the uncompressed uplink data packet. Moreover, the methods and apparatus comprise receiving a downlink acknowledgement message from the network entity corresponding to the uplink data packet. Additionally, the methods and apparatus comprise terminating transmission of the uplink DCH by transmitting bits of zero power for a remainder of the time duration on the DCH based on receiving the downlink acknowledgement message.Type: GrantFiled: March 15, 2013Date of Patent: August 2, 2016Assignee: QUALCOMM IncorporatedInventors: Sharad Sambhwani, Jiye Liang, Yin Huang, Peyman Razaghi, Sony Akkarakaran
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Patent number: 9398554Abstract: Disclosed is a method for network synchronization acquisition in a wireless network. A synchronized node transmits a first synchronization reference signal, a second synchronization reference signal, and a beacon according to a predetermined period. A non-synchronized node receives the first synchronization reference signal, the second synchronization signal, and the beacon from at least one transmitting node. Then, the non-synchronized node acquires network synchronization temporarily based on the first synchronization reference signal, decodes the beacon, and checks whether at least one transmitting node exists or not. Then, the non-synchronized node requests a network synchronization forwarding service or a time adjustment, and acquires synchronization based on the provided network synchronization forwarding service.Type: GrantFiled: May 30, 2014Date of Patent: July 19, 2016Assignee: Electronics & Telecommunications Research InstituteInventors: Choong Il Yeh, Jae Young Ahn, Tae Gyun Noh
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Patent number: 9397876Abstract: A method and apparatus of synchronization and frame structure determination of a base station are disclosed. One method includes the base station determining an initial frame structure including an active region and a dummy region, wherein the regions are sets of OFDM symbols. The base station receives timing information from at least one of a mobile station and a second base station, wherein the mobile station is simultaneously communicating with the base station and the second base station. The base station adjusts its frame structure based at least in part on the timing information, wherein adjusting its frame structure includes at least one of adjusting the active region and the dummy region. The base station adjusts its internal timing to improve synchronization with the second base station based on the timing error information.Type: GrantFiled: January 29, 2010Date of Patent: July 19, 2016Assignee: Broadcom CorporationInventors: Louay Jalloul, Djordje Tujkovic
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Patent number: 9398579Abstract: Systems, methods, and devices for transmitting data are described herein. In some aspects, a method comprises generating a first packet. The first packet may comprise a physical layer and a media access control (MAC) layer. The MAC layer may allocate a first station to a primary frequency channel and a second station to a secondary frequency channel. The method further comprises transmitting the first packet to the first station and the second station. The method further comprises transmitting a second packet to the first station using the primary frequency channel. The method further comprises transmitting a third packet to the second station using the secondary frequency channel.Type: GrantFiled: April 30, 2014Date of Patent: July 19, 2016Assignee: Qualcomm IncorporatedInventors: Hemanth Sampath, Bin Tian, Rahul Tandra, Gwendolyn Denise Barriac, Yan Zhou, Sameer Vermani, Simone Merlin