Patents Examined by Bob Phunkulh
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Patent number: 8995291Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. In a first configuration, the apparatus maintains a first set of tracking loops associated with unicast signals and a second set of tracking loops associated with multicast/broadcast signals. In addition, the apparatus decoding at least one of a received unicast signal based on the first set of tracking loops or a received multicast/broadcast signal based on the second set of tracking loops. In a second configuration, the apparatus maintains a TTL and a FTL associated with unicast signals based only on received unicast signals. In addition, the apparatus receives a multicast/broadcast signal and decodes the received multicast/broadcast signal based on the TTL and the FTL maintained based only on the received unicast signals.Type: GrantFiled: September 21, 2011Date of Patent: March 31, 2015Assignee: QUALCOMM IncorporatedInventors: Xiaoxia Zhang, Gordon Kent Walker, Jun Wang, Zhengwei Liu
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Patent number: 8989100Abstract: A transmission power controller turns on a power supply to a transmitter at a given time taking a power rise time into account before a start time of transmission processing in the transmitter, and turns off the power supply to the transmitter when the transmission processing is finished. A reception power controller turns on a power supply to a receiver at a given time taking a power rise time into account before a time at which an ACK is assumed to be arrival from a wireless communication device on a receiver side responsive to data transmitted from the transmitter, and turns off the power supply to the receiver when the reception processing of the ACK in the receiver is finished.Type: GrantFiled: February 6, 2012Date of Patent: March 24, 2015Assignee: Panasonic CorporationInventors: Naganori Shirakata, Naoya Yosoku
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Patent number: 8989095Abstract: The present description relates to a BAN (Body Area Network) wireless communication control method, and more particularly, to a BAN wireless communication control method to which a selective discovery technique is applied. The present invention provides a BAN wireless communication control method, comprising the steps of transmitting a discovery request frame including a selective standard profile, and receiving a discovery response frame from a host that provides at least one of services specified in the selective standard profile.Type: GrantFiled: December 21, 2011Date of Patent: March 24, 2015Assignee: Industry Foundation of Chonnan National UniversityInventors: Kyung Min Park, Eun Ji You, Hoon Choi, Chil Woo Lee
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Patent number: 8989097Abstract: The present invention provides a multi-antenna diversity scheduling method and apparatus. The method includes: transmitting pilot signals through x transmit antennas, where pilot signals on 1 to x?1 transmit antennas are a product of pilot symbols and a phase sequence, the phase sequence changes with at least one of time and frequency, the phase sequence changes more frequently than a user channel, and x is a positive integer greater than or equal to 2; receiving a transient channel quality information (CQI) value returned by a user according to the pilot signals; and according to the CQI value and a scheduling algorithm, scheduling the user to transmit data.Type: GrantFiled: February 8, 2013Date of Patent: March 24, 2015Assignee: Huawei Technologies Co., Ltd.Inventors: Yi Wang, Xiaoyan Bi
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Patent number: 8976777Abstract: The invention relates to the field of radio communication devices and, more specifically, gateways connected firstly to a cellular radio communication network via a packet data communication network, such as an IP network, and secondly to cellular mobile communication terminals. The invention proposes to use the same oscillator to provide both the reference clock of the radio subsystem and the reference clock of the general processor of the device. The fact that the same oscillator is used for these two components also allows embodiments in which some of the functions that have hitherto been devolved to a hardware control component, itself operating by means of a clock derived from the radio oscillator and being involved in the control of said oscillator, can now be devolved to a software component that is executed on the general processor of the gateway.Type: GrantFiled: October 12, 2010Date of Patent: March 10, 2015Assignee: Sagemcom Energy & Telecom SASInventors: Laurent Jourdain, Freddy Donnenwirth, Frédéric Geheniau
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Patent number: 8976678Abstract: A method for controlling data communication within a locomotive consist is disclosed. The method may include monitoring an effect of a first interference generated by a first pair of wires on a second pair of wires during a communication. The method may also include monitoring an effect of a second interference generated by the second pair of wires on the first pair of wires during the communication. The method may further include dividing data packets to he sent from the first access point to the second access point such that a first subset of the data packets are designated for the first pair of wires and a second subset of the data packets are designated for the second pair of wires and modifying the first subset of the data packets to reduce the effect of the first interference.Type: GrantFiled: November 30, 2012Date of Patent: March 10, 2015Assignees: Electro-Motive Diesel, Inc., Secure Commincation Systems, Inc.Inventors: James Robert Luecke, Wayne Rudolph
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Patent number: 8976681Abstract: A network system, management server, and OAM test management method for grouping the virtual networks, selecting a test target for each group, and lowering the network load and the operating load in the OAM testing. Grouping the multiple virtual networks based on their physical topology and selecting a representative virtual network for each group, allows selecting a test target virtual network from among the representative virtual networks for the virtual network selected by the operator and executing tests.Type: GrantFiled: August 5, 2011Date of Patent: March 10, 2015Assignee: Hitachi, Ltd.Inventors: Yoji Ozawa, Eri Kawai, Akihiro Koizumi
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Patent number: 8964673Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for performing a hybrid automatic repeat request process for an uplink multi-codeword transmission in a wireless communication system which supports a multi-antenna transmission. The uplink multi-codeword transmission method according to one embodiment comprises the following steps: transmitting first and second codewords, transmitting information on the status of transmission buffer for the first and second codewords, receiving downlink control information (DCI) containing acknowledgement (ACK)/negative acknowledgement (NACK) information on each of the first and second codewords, and re-transmitting the codeword for NACK information, wherein the codeword for NACK information, wherein the codeword for ACK information is not transmitted to a base station in cases where the transmission buffer is empty.Type: GrantFiled: February 22, 2011Date of Patent: February 24, 2015Assignee: LG Electronics Inc.Inventors: Jae Hoon Chung, Hyun Soo Ko, Seung Hee Han, Moon Il Lee
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Patent number: 8964648Abstract: Systems and methods are described for allocating bandwidth in a wireless network. Entry of subscriber equipment into a wireless network is detected at a base station which typically provides information used to determine geographic location of the subscriber equipment. Based on the determined location, a level of service is selected from a plurality of service levels available to a subscriber and provided. Location can be determined based on information provided by the subscriber equipment, provided by a global positioning system and/or provided by a user of the subscriber equipment. Location of the subscriber equipment can be identified with an activity of a user of the subscriber equipment, including business and non-commercial activity. Selection of the level of service may be further based upon time of day, day of week or upon a date and time of provision of the level of service.Type: GrantFiled: December 31, 2013Date of Patent: February 24, 2015Assignee: Telsima CorporationInventor: Nurettin Burcak Beser
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Patent number: 8964775Abstract: Systems and methods for encoding a slot table for a communications controller of a communications network are described. In one embodiment, a method for encoding a slot table for a communications controller of a communications network includes classifying branches of the communications network that are connected to the communications controller into at least one group, where each of the at least one group includes multiple branches, and generating a slot table entry for a time slot for accessing the communications network through the communications controller based on the at least one group. Other embodiments are also described.Type: GrantFiled: September 21, 2011Date of Patent: February 24, 2015Assignee: NXP B.V.Inventors: Hubertus Gerardus Hendrikus Vermeulen, Sujan Pandey, Abhijit Kumar Deb
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Patent number: 8958370Abstract: Provided is a method and apparatus for controlling transmission power in a wireless communication system. A terminal sets transmission power of a physical uplink control channel (PUCCH). Among a plurality of physical uplink shared channels (PUSCHs), at least one PUSCH to which uplink control information (UCI) is not mapped is decreased in transmission power based on a maximum transmission power of the terminal and the transmission power of the PUCCH, and transmission power of at least one second PUSCH, of the plurality of PUSCHs to which UCI is mapped, is set. At this time, the UCI and uplink data are transmitted through the PUCCH, the at least one first PUSCH, and the at least one second PUSCH; and the at least one first PUSCH and the at least one second PUSCH are allocated to component carriers (CCs) of a plurality of uplinks (ULs).Type: GrantFiled: August 10, 2011Date of Patent: February 17, 2015Assignee: LG Electronics Inc.Inventors: Min Seok Noh, Jae Hoon Chung, Dong Cheol Kim
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Patent number: 8958360Abstract: A method including receiving a signal from a terminal; measuring channel state information (CSI); comparing the CSI to determine whether to decode the received signal; and if it is determined to decode the received signal, removing noise by decoding the received signal, and then performing decode and forward (DAF) in which the signal is re-encoded, and if it is determined not to decode the received signal, performing amplify and forward (AAF) in which the received signal is amplified. The CSI may be at least one of a frame error rate (FER), a bit error rate (BER), a signal to noise ratio (SNR), and a signal to interference plus noise ratio (SINR). Accordingly, a time delay consumed for channel decoding in hybrid DAF coordinated communication is decreased, data transmission and resource usage is more effectively achieved in coordinated communication using multiple terminals, and unnecessary power consumption is decreased.Type: GrantFiled: February 7, 2011Date of Patent: February 17, 2015Assignee: LG Electronics Inc.Inventors: Ji Woong Jang, Young Soo Yuk, Han Gyu Cho
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Patent number: 8958318Abstract: An apparatus and method for event-based data capture from network flows are provided. At a network device, a network flow is received that comprises a plurality of packets each comprising control information and data. The network flow is monitored for the occurrence of at least one predetermined triggering event. In response to detecting the triggering event, at least a portion of one or more of the packets received after the triggering event is captured, and the captured portion is exported to an analysis server. The network device may comprise any device configured to forward flows of packets such as, for example, switches, routers, firewalls, etc.Type: GrantFiled: September 21, 2011Date of Patent: February 17, 2015Assignee: Cisco Technology, Inc.Inventors: John Hastwell, Marco E. Foschiano, Ravichandra Ryali, Nirmalendu Das
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Patent number: 8953538Abstract: The present invention provides a network access method and system for Machine Type Communications (MTC), wherein the method comprises the following steps: an MTC device sends a preamble to a base station; the base station sends a Random Access Response (RAR) to the MTC device; if the RAR does not contain a temporary access resource assignment indication, the MTC device sends a Layer 2/Layer 3 message to the base station; otherwise, the MTC device re-attempts to perform network access; the base station sends a contention resolution message to the MTC device; if the contention resolution message contains a self-identification contained in the Layer 2/Layer 3 message sent by the MTC device, the network access is completed; if the contention resolution message contains the temporary access resource assignment indication, the MTC device re-attempts to perform the network access; otherwise, the MTC device attempts to perform the network access using the originally used access resource again.Type: GrantFiled: February 12, 2010Date of Patent: February 10, 2015Assignee: Alcatel LucentInventors: Qun Zhao, Wu Zheng, Jimin Liu
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Patent number: 8948130Abstract: The present invention relates to a wireless access system, and more particularly, to a method for supporting security during a handover performance through a zone switch and to a device performing same. According to one embodiment of the present invention, switching a zone by a terminal in a broadband wireless access system comprises the following steps: creating at least one service flow in a first zone that supports the legacy mode of a base station; receiving at the base station a first message, which indicates a zone switch to a second zone that supports an advanced mode; and performing the zone switch, wherein performing the zone switch may further comprise a step for receiving from the second zone a second message, which includes security association information that indicates the security association applied to at least one service flow in the second zone.Type: GrantFiled: March 14, 2011Date of Patent: February 3, 2015Assignee: LG Electronics Inc.Inventors: In Uk Jung, Ki Seon Ryu
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Patent number: 8948002Abstract: A method and a device for preventing repeated refreshing of an address table of an Ethernet ring network node are provided. After a state of a port of the Ethernet ring network node is changed to a blocked state, it is determined that whether the Ethernet ring network node is an RPL neighbor node and whether the blockage is triggered by an RPL Blocked protocol frame. If so, the Ethernet ring network node stores refreshed record information corresponding to its two ports on the ring. The problem that an RPL neighbor node refreshes an address table repeatedly in the scenario of switchback of an Ethernet ring network can be effectively solved via the aforementioned method and device, thereby reducing flow broadcast during protection switching of the Ethernet ring network and improving the switching efficiency.Type: GrantFiled: April 12, 2010Date of Patent: February 3, 2015Assignee: ZTE CorporationInventor: Shaoyong Wu
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Patent number: 8948090Abstract: Various aspects of the present disclosure are directed to periodic over-the-air channel state information (CSI) reporting to serving cells and one or more non-serving cells via a control channel multi-point attachment. The channel state information report may be transmitted based on information indicating how to transmit the channel state information report to the non-serving cell. The information indicating how to transmit the channel state information report may be provided by the serving eNodeB. The information may include a periodicity, offset parameters, timing advance commands, power control commands, and/or an aperiodic report request.Type: GrantFiled: August 22, 2012Date of Patent: February 3, 2015Assignee: QUALCOMM IncorporatedInventors: Alan Barbieri, Tingfang Ji, Hao Xu, Wanshi Chen
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Patent number: 8948006Abstract: A cellular communication system includes a method for managing uplink (UL) quality-of-service (QoS) in a two-hop wireless cellular communication system, including determining a count of UL QoS requests received from each user equipment (UE) and determining a served-to-requested ratio that is a ratio of a the number of bytes of UL data served to each UE by a mobile relay to the number bytes of UL data requested by each UE from the mobile relay. A UE subsystem of the mobile relay determines if any UEs are experiencing low UL QoS based on the number of UL QoS requests and the served-to-requested ratio. In response, a macro base station allocates network resources for improving the UL QoS provided to the set of UEs.Type: GrantFiled: January 7, 2013Date of Patent: February 3, 2015Assignee: Freescale Semiconductor, Inc.Inventor: Mukesh Taneja
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Patent number: 8937870Abstract: In some embodiments, a link monitoring system (“LMS”) is configured to obtain link status metrics and packet transmission metrics for network links forming a network channel between a first network device and a second network device. The LMS can obtain link status metrics from the first network device and the second network device and can also initiate the generation of packets on the network links to obtain the packet transmission metrics. Based on the status metrics and packet transmission metrics, the LMS can determine if the network links are malfunctioning.Type: GrantFiled: September 11, 2012Date of Patent: January 20, 2015Assignee: Amazon Technologies, Inc.Inventor: Stephen Callaghan
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Patent number: 8934430Abstract: A method of notifying resource allocation for Demodulation Reference Signal (DMRS) is provided. A base station notifies to a user equipment a power offset value between an average EPRE value for data symbols and an average EPRE value for the DMRS at each layer in a semi-static or static manner. Also, the base station dynamically notifies to the user equipment a current channel rank or a current DMRS distribution pattern for the user equipment. The user equipment determines an allocated DMRS antenna port based on a correspondence between the received channel rank and an allocation of DMRS antenna port, thereby obtaining resource allocation information for the DMRS. The signaling overhead for power allocation in the system can be reduced, the efficiency of power amplifier can be improved and the flexibility of system scheduling can be increased. A method of notifying antenna port resource allocation for DMRS is also provided.Type: GrantFiled: October 28, 2010Date of Patent: January 13, 2015Assignee: Sharp Kabushiki KaishaInventors: Yingyu Zhang, Renmao Liu, Ming Ding, Yongming Liang, Zeng Yang