Patents Examined by Shah Rahman
  • Patent number: 9621458
    Abstract: A non-gateway node transmits an internet route request to neighbor nodes and receives, from a gateway node, a response message including an address of the gateway node and a gateway indicator. The non-gateway node sets a gateway pointer equal to this address. A gateway node receives an internet route request from neighbor nodes and transmits, to the neighbor nodes, a response message including an address of the gateway node and a gateway indicator. A non-gateway node receives, from gateway nodes on the network, an announcement of internet connectivity that includes address of the gateway nodes. The non-gateway node adds these addresses to a list of potential gateways. When the non-gateway nodes receives packets for transmission to an internet destination, it selects a gateway address from the list, and transmits the packets to a destination gateway associated with the gateway address.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: April 11, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Xun Luo, Arungundram Chandrasekaran Mahendran
  • Patent number: 9602569
    Abstract: Telecommunications equipment may require network connectivity. On newer systems, an additional local management interface is provided for proprietary maintenance functions, typically via a shell-based Command Line Interface. This is not available on remote sites with only TDM connections. The invention provides a method of communicating between a management console and remote access equipment via a class 4 telecommunications switch, which comprises establishing an IP connection, establishing a synchronous telecommunications transport connection between the class 5 switch and the remote access equipment, setting up a voice call between the management console and the remote access equipment, passing the voice call over the IP connection as a VOIP call, passing the voice call over the synchronous telecommunications transport connection as a PCM encoded call, and encapsulating an IP data stream in the VOIP and PCM encoded call to establish an end-to-end IP.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: March 21, 2017
    Assignee: Metaswitch Networks Limited
    Inventors: Craig Miller, John Batty, John Tucker, Mark Overton, Shriman Gurung, Doug Theobald, David Smith
  • Patent number: 9602189
    Abstract: A method and system for estimating a path-length difference between two paths followed by a target signal transmitted by a spacecraft or aircraft to a first receiving antenna and a second receiving antenna of a receiving base, respectively. A useful-phase difference is measured between signals that correspond to the target signal received by the first receiving antenna and second receiving antenna. The path-length difference is estimated in accordance with the useful-phase difference measurements. The measurement of the useful-phase difference comprises either correlating the signals received by the first receiving antenna and second receiving antenna, respectively, with a reference target signal, or analyzing the signals received by the first receiving antenna and second receiving antenna, respectively, using an FFT or a PLL.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: March 21, 2017
    Assignee: AIRBUS DEFENCE AND SPACE SAS
    Inventors: Jean-Marc Aymes, Raphael Sanchez, Frederic Voulouzan
  • Patent number: 9584272
    Abstract: A first radio network node (110) and a method therein for measuring interference as well as a second radio network node (120) and a method therein for enabling the first radio network node to measure interference are disclosed. The first radio network node (110) obtains (201) configuration information for indicating a designated subframe in which a reference signal for measurement of the interference is to be transmitted by the second radio network node (120). The second radio network node (120) obtains (202) configuration information for configuring a designed subframe for transmission of a reference signal. The first radio network node (110) receives (205), in the designated subframe indicated by the configuration information, the reference signal transmitted by the second radio network node (120). The first radio network node (110) determines (206) a value of the interference based on the reference signal.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: February 28, 2017
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Shaohua Li, Zhiheng Guo, Jinhua Liu, Xinghua Song, Zhan Zhang
  • Patent number: 9584283
    Abstract: A method for receiving, by a UE, information for interference cancellation, the method includes receiving assistance control information for removing interference data from a neighboring eNB; and receiving primary control information indicating the interference data using the assistance control information, the assistance control information includes at least one of control channel element (CCE) indices, an aggregation level and a downlink control information (DCI) format of a control channel on which the primary control information is transmitted and cyclic redundancy check (CRC) bits for the control channel, the assistance control information includes sub-assistance control information on neighboring UEs simultaneously scheduled by the neighboring eNB.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: February 28, 2017
    Assignee: LG Electronics Inc.
    Inventors: Hanjun Park, Kijun Kim, Jonghyun Park
  • Patent number: 9578651
    Abstract: A communication method of a device to device (D2D) user equipment (UE) in a cellular system supporting a communication frame structure including one or more subframes used for a communication of the D2D UE is provided. The method includes reading an alarm region located within a first subframe, wherein the alarm region indicates whether a communication signal having a priority is included in the first subframe or a second subframe related to the first subframe, and transmitting the communication signal through one of the second subframe and a third subframe related to the second subframe, based on information read from the alarm region.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: February 21, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Seok Ryu, Seung-Hoon Park, Chi-Woo Lim
  • Patent number: 9565083
    Abstract: Systems are disclosed for automated protection switching enabled by in-band signaling. A status monitor coupled to a switch fabric may be operable to read signal quality information from cells packet-switched over the fabric, the cells carrying traffic signals from one or more working channels between two network nodes. The status monitor may apply a protection algorithm to the signal quality information to determine whether a traffic signal on a working channel meets requirements indicative of channel failure or degradation sufficient to move the traffic signal to an additional protection channel between the two nodes. The status monitor may encode a request to transfer this traffic signal in cells switched by the fabric. In some examples, this request may be encoded in an optional user and fabric overhead field of cells consistent with the Optical-Transport Network (OTN) over Packet Fabric Protocol (OFP).
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: February 7, 2017
    Assignee: Ciena Corporation
    Inventor: Martin G. Belanger
  • Patent number: 9515755
    Abstract: A method and system for TDMA synchronization including providing an ad-hoc TDMA mobile communication network, the communication network includes a plurality of mobile units, transmitting an information packet from a mobile unit of the plurality of mobile units to each remaining one of the plurality of mobile units. The method and system further including comparing at each remaining one of the plurality of mobile units the corresponding preamble detection time trx,i with a predetermined time parameter tcorr, and adjusting the corresponding preamble detection time trx,i of each remaining one of the plurality of mobile units accordingly. In addition, a method for logical timeslot synchronization and its enhancement using directed synchronization procedure with a refresh procedure are disclosed if a transmitting mobile unit exits the communication network and reconnects thereto.
    Type: Grant
    Filed: April 1, 2012
    Date of Patent: December 6, 2016
    Assignee: MAXTECH COMMUNICATION NEWORKS LTD.
    Inventors: Alex Yakov Honig, Yakir Matusovsky, Uzi Hanuni, Boaz Dagan
  • Patent number: 9516496
    Abstract: The embodiments disclose a data transmission method, an evolved NodeB (eNB) and a User Equipment (UE), which can avoid data transmission conflict, and improve data transmission performance and scheduling flexibility. The method according to the embodiments comprises: selecting, by an eNB, a second subframe from a plurality of subframes, when the eNB does not correctly receive a data packet transmitted by a UE in a first subframe; and transmitting, by the eNB, a scheduling signaling to the UE, so that the UE transmits a retransmission packet of the data packet in the second subframe. The embodiments further provide an eNB and a UE. The embodiments of the present invention can effectively avoid data transmission conflict, and improve data transmission performance and scheduling flexibility.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: December 6, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lei Guan, Yongxia Lv
  • Patent number: 9509453
    Abstract: The present invention discloses a method for providing reliable multicasting service in wireless network. The disclosed method groups a plurality of receiving nodes into a plurality of receiving groups, and decides the ACK transmission time point against each receiving group, which is not overlapped with other receiving groups. The receiving node contained in each receiving group transmits ACK against the received data frame at the ACK transmission time point, which is decided according to the corresponding receiving group.
    Type: Grant
    Filed: July 5, 2014
    Date of Patent: November 29, 2016
    Assignee: CHUNG-ANG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION
    Inventors: Sung Rae Cho, Woong Soo Na, Jeong Seok Yu, Hyoung Chul Bae, Tae Jin Kim, Ju Ho Lee, Zeynep Vatandas, Jun Beom Hur, Yun Seong Lee
  • Patent number: 9510368
    Abstract: A method is provided in a base station for providing feedback to user equipments on reception status of data transmitted by the user equipments. The base station and the user equipments are within a wireless communication system adapted for contention based transmissions. A common identifier is used to identify contention based grants on a physical downlink control channel. Upon successful reception of data from at least one of the plurality of user equipments, dedicated acknowledgement feedback is provided by including an indication of the identity of the at least one user equipment from which data was successfully received in a message to said common identifier on the physical downlink control channel. Related arrangements in a base station, methods in a user equipment, and arrangements in a user equipment are disclosed.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: November 29, 2016
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Ylva Timner, Anna Larmo
  • Patent number: 9450846
    Abstract: A method is provided in one example embodiment that includes transmitting a message from a first port to a second port, recording a timestamp of the message at each clock between the first port and the second port, and transmitting a first follow-up message from a first port to a second port to collect timestamps at each clock between the first port and the second port. The method further includes transmitting a loopback message from the second port to the first port, recording timestamps of the loopback message at each clock between the second port and the first port, and transmitting a second follow-up message from the second port to the first port to collect and append the timestamps of the loopback message at each clock.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: September 20, 2016
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Wei-Jen Huang, Chih-Tsung Huang
  • Patent number: 9432856
    Abstract: In the present invention, a user equipment measures a wireless signal from a specific cell, and decides whether to store and/or report to a base station information on a wireless link failure, if the wireless link failure occurs, depending on the type of a cell which is measured or the type of a frame in which the wireless link failure occurs. According to the present invention, the user equipment can be prevented from reporting unnecessary information to a network.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: August 30, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Youngdae Lee, Sunghoon Jung, Seungjune Yi, Sungduck Chun, Sungjun Park
  • Patent number: 9426837
    Abstract: Systems, methods, and devices for communicating data in a wireless communications network are described herein. One innovative aspect of the present disclosure includes a method of communicating in a wireless network. The wireless network includes an access point and a relay. The method includes indicating to a client, at the relay, a network address of the access point. The method further includes receiving an association request, from the client, addressed to the access point. The method further includes forwarding the association request to the access point.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: August 23, 2016
    Inventors: Santosh Paul Abraham, George Cherian, Amin Jafarian, Maarten Menzo Wentink, Simone Merlin
  • Patent number: 9385794
    Abstract: To provide a mobile terminal apparatus, radio base station apparatus and radio communication method that enable accurate precoding weights to be generated in coordinated multipoint transmission, a radio communication method of the invention is characterized in that a mobile terminal apparatus (10) performs channel estimation using a downlink reference signal, selects a PMI using the obtained channel estimation value, measures an IQI using at least the channel estimation value and the PMI, and transmits at least the PMI and IQI to a radio base station apparatus, and that the radio base station apparatus generates precoding weights using the PMI and IQI, and performs coordinated multipoint transmission utilizing MIMO transmission using the precoding weights.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: July 5, 2016
    Assignee: NTT DOCOMO, INC.
    Inventors: Anass Benjebbour, Satoshi Nagata
  • Patent number: 9380609
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus initiates a call attempt in an internet protocol multimedia subsystem (IMS) based on a dialed number, the dialed number including an emergency number. The apparatus receives a session initiation protocol (SIP) message in response to the call attempt. The apparatus determines in response to the SIP message whether to retry the call attempt as a normal call in a circuit-switched (CS) domain for an operator or as an emergency call in the CS domain for the operator. In an aspect, the determining is based at least in part on either an indication in the SIP message or on a characteristic of the operator.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: June 28, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Lenaig Genevieve Chaponniere, Stephen William Edge, Cherng-Shung Hsu, Ramachandran Subramanian, Farrokh Khatibi, Arungundram Chandrasekaran Mahendran
  • Patent number: 9351286
    Abstract: In a wireless audio system in which both wireless audio signal transmission and communication using other wireless apparatuses are carried out, the transmitter and the receiver transmit audio packets by the following procedure using a plurality of communication channels shared with other wireless communication. The transmitter and the receiver select the same channel; after detecting that the channel has become idle, the transmitter stands by for only a stand-by time T1 shorter than the shortest packet space stipulated in the procedure of the other wireless communication and then transmits an audio packet; after the reception of the audio packet is completed, the receiver stands by for only a stand-by time T2 shorter than the shortest packet space and then returns a response signal. After the transmission/reception of a predetermined number of audio packets is completed, the transmitter and the receiver switch the communication channel and repeat the procedure.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: May 24, 2016
    Assignee: Yamaha Corporation
    Inventor: Kazushi Tamai
  • Patent number: 9338189
    Abstract: Embodiments of the present invention provide an Internet Protocol multimedia subsystem network, and a data transmission method and apparatus, which are used in the field of communications technologies. The data transmission method which is used in the IMS includes: performing tunnel encapsulation for an RTP packet to obtain a tunnel packet, where the tunnel packet includes a record unit, and a plurality of RTP packets are encapsulated in each record unit; and sending the tunnel packet to a peer end over a tunnel connected to the peer end. According to the embodiments of the present invention, the additional bandwidth caused by tunnel encapsulation is reduced, the bandwidth of a single packet is lowered, and the user experience and service access capabilities are improved.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: May 10, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Aiping Chen, Zhanbing Zhang
  • Patent number: 9332514
    Abstract: An apparatus and method for performing initial signal acquisition in a receiver of a millimeter wave wireless communication system. The apparatus comprises receiving a millimeter-wave signal including complementary sequences at the receiver; cross-correlating the received signal related to the received complementary sequences with respective predefined complementary sequences, wherein the received complementary sequences include a first type of complementary sequences and a second type of complementary sequences; performing a signal sequence detection by auto-correlating the cross-correlated first type of complementary sequences and comparing the auto-correlated results to an energy dependent threshold; and upon detection of the signal sequence, performing a timing synchronization to synchronize a start frame delimiter (SFD), wherein the timing synchronization includes in part a search for a peak in the cross-correlated first type of complementary sequences using a SFD search threshold.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: May 3, 2016
    Assignee: QUALCOMM INCORPORATED
    Inventor: Simha Sorin
  • Patent number: 9325393
    Abstract: A multi-antenna transmission process provides down-link radio coverage through a transmission system. The transmission system includes at least one multi-radiator transmitting antenna, directed towards a mobile terminal, at least one database associated with at least one coverage cell and a position of the mobile terminal, a processor cooperating with the at least one multi-radiator transmitting antenna and the at least one database to associate a transmission direction with the position of the mobile terminal by detecting a position of the mobile terminal, storing the position into the at least one database, and determining at least one transmission direction from the at least one multi-radiator transmitting antenna to the mobile terminal depending on the position stored in the at least one database, wherein at least one of the transmission parameters set in order to transmit in the transmission direction is associated with the stored position of the mobile terminal.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: April 26, 2016
    Assignee: Sisvel Technology S.R.L.
    Inventor: Alessandro Striuli