Patents Examined by Mahmudul Hasan
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Patent number: 9386545Abstract: Methods and apparatus are directed towards controlling power of physical uplink control channel (PUCCH) format 1b for advanced time division duplex. If HARQ-ACK bundling is not applied, then nHARQ associated with the PUCCH is determined based on a number of received transport blocks and SPS release physical downlink control channels in subframes i-km. If HARQ-ACK bundling is applied and a number of assigned resource blocks equal to 2, then nHARQ associated with the PUCCH is determined based on a number of received physical downlink shared channels (PDSCH) and semi-persistent scheduling (SPS) release physical downlink control channels (PDCCH) in the subframes i-km.Type: GrantFiled: May 9, 2012Date of Patent: July 5, 2016Assignee: ZTE (USA) Inc.Inventors: Shupeng Li, David Huo
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Patent number: 9351204Abstract: Provided is a method for controlling a handover from a first base station to a second base station by a user equipment that performs radio communication over a communication channel formed by aggregating a plurality of component carriers, wherein scheduling information on each component carrier is transmitted to the user equipment according to either of a straight scheduling method and a cross scheduling method, and the method includes at the first base station, commanding first the user equipment to perform a handover from the first base station to the second base station on a second component carrier to be operated according to the straight scheduling method in the second base station, when it is determined that a handover on a first component carrier following the cross scheduling method is to be executed.Type: GrantFiled: January 21, 2011Date of Patent: May 24, 2016Assignee: SONY CORPORATIONInventor: Hiroaki Takano
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Patent number: 9351303Abstract: Provided are a radio transmission apparatus and a radio transmission method whereby the increase of number of signaling bits can be suppressed and further the flexibility of frequency scheduling can be improved. A notified RBG calculating unit (203) that adds a predetermined offset value of “1” or “?1” to one of the start RBG number and the end RBG number of allocated RBG number information (b?i) output by a scheduling unit (201), thereby calculating notified RBG number information (bi). An RBG total number setting unit (204) calculates the total number of RBGs, which is to be notified, by adding “1” to the total number of allocated RBGs. A notified information generating unit (205) applies the notified RBG number information (bi) and the notified total number of RBGs (Nrb?) to a predetermined formula, thereby generating and transmitting, to terminals, notified information (r).Type: GrantFiled: March 13, 2015Date of Patent: May 24, 2016Assignee: Sun Patent TrustInventors: Takashi Iwai, Daichi Imamura, Akihiko Nishio, Yoshihiko Ogawa, Shinsuke Takaoka
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Patent number: 9281889Abstract: A relay node (RN) apparatus for transmitting and receiving a signal according to a link mode in a wireless communication system and a method thereof are disclosed. A processor transmits or receives a signal to or from at least one of a base station and a terminal based on link mode information. At least one antenna receive the link mode information and transmit or receive the signal to or from at least one of the base station and the user equipment. The link mode information includes information a link mode in which the relay node apparatus will operate.Type: GrantFiled: February 16, 2011Date of Patent: March 8, 2016Assignee: LG ELECTRONICS INC.Inventors: Hak Seong Kim, Byoung Hoon Kim, Han Byul Seo, Dae Won Lee
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Patent number: 9225447Abstract: Disclosed are a method and a device for transmitting an aperiodic SRS in a TDD system. In the technical solution of the present invention, a symbol is defined for the transmission of the aperiodic SRS in a special subframe in the TDD system. This avoids a scenario in which the transmission position of the aperiodic SRS is undefined when a plurality of symbols that can be used to transmit the aperiodic SRS are available in an uplink pilot time slot (UpPTS). The problem of transmitting aperiodic SRS in a TDD system special subframe is thus solved. The modification to corresponding instruction messages is not extensive, and there is no overuse of system resources.Type: GrantFiled: December 1, 2012Date of Patent: December 29, 2015Assignee: China Academy of Telecommunications TechnologyInventors: Wenhong Chen, Xueming Pan, Qiubin Gao, Yu Ding
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Patent number: 9203526Abstract: The present invention discloses method and system for improving performance of interference cancellation in a radio communication system. The method comprises: estimating power of an interfering signal contained in a received signal; estimating power of an additive estimate error signal added to the interfering signal; and canceling the interfering signal from the received signal if the estimated power of the additive estimate error signal is lower than the estimated power of the interfering signal. A cellular mobile terminal and a cellular base station comprising the system are also disclosed.Type: GrantFiled: September 16, 2010Date of Patent: December 1, 2015Assignee: ZTE WISTRON TELECOM ABInventor: Hans Grubeck
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Patent number: 9185722Abstract: The mobile station described herein comprises a transmission buffer, a receiver, a transmitter, and a controller. The controller triggers a scheduling request and buffer status report when data enters the transmission buffer. When the receiver receives a contention-based scheduling grant allocating contention-based uplink resources, the transmitter transmits one or more data packets retrieved from the transmission buffer along with the buffer status report on the contention-based resources to the network station. If one or more data packets remain in the transmission buffer after transmission of the buffer status report on the contention-based resources, the controller maintains the pending status of the buffer status report and the corresponding scheduling request.Type: GrantFiled: February 15, 2010Date of Patent: November 10, 2015Assignee: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)Inventors: Anna Larmo, Riikka Susitaival, Stefan Henrik Andreas Wager
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Patent number: 9144030Abstract: A mobile communication terminal includes: a transmission power controlling unit for performing transmission power control such that the sum of channel transmission powers or the sum of the ratios of the channel transmission powers to threshold values of the corresponding channels is a predetermined target value; an average transmission power calculating unit for calculating the average value of the sum of the channel transmission powers in a set monitoring period or the average value of the sum of the ratios of the channel transmission powers in the set monitoring period to the threshold values of the corresponding channels; and a transmission power suppressing unit for performing reduction control of the transmission powers such that these average values in a set control period are each equal to or less than the threshold value.Type: GrantFiled: April 18, 2011Date of Patent: September 22, 2015Assignee: NTT DOCOMO, INC.Inventors: Takahiro Iyama, Teruo Onishi
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Patent number: 9094846Abstract: A terminal communicating with a base station includes: a switching partswitching between a first feedback mode in which one precoder information specifying a preferred precoder and a reception quality indicator specifying a preferred transmission rate are reported periodically and a second feedback mode in which first partial precoder information among first and second partial precoder information specifying the preferred precoder and a set of the second partial precoder information and the reception quality indicator are reported periodically. A report part uses, in the second feedback mode, a periodic resource for reporting the precoder information and reception quality indicator in the first feedback mode, reporting one of the first partial precoder information and the set of the second partial precoder information and the reception quality indicator alternately and in a period two times a report period of the precoder information and reception quality indicator in the first feedback mode.Type: GrantFiled: June 9, 2011Date of Patent: July 28, 2015Assignee: SHARP KABUSHIKI KAISHAInventors: Toshizo Nogami, Kimihiko Imamura, Kazuyuki Shimezawa
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Patent number: 9088513Abstract: An output rate controller has a TS packet buffer, a maximum value increase detector, a minimum value decrease detector and an output controller. The TS packet buffer accumulates input packets. The maximum value increase detector detects an increasing trend of the maximum number of packets being accumulated in the TS packet buffer within a fixed time period. The minimum value decrease detector detects a decreasing trend of the minimum number of packets being accumulated in the TS packet buffer within a fixed time period. The output controller sets a higher output rate of packets being accumulated in the TS packet buffer if an increasing trend has been detected by the maximum value increase detector, and sets a lower output rate of packets being accumulated in the TS packet buffer if a decreasing trend has been detected by the minimum value decrease detector.Type: GrantFiled: May 30, 2011Date of Patent: July 21, 2015Assignee: NTT Electronics CorporationInventors: Kazufumi Watanabe, Toshihisa Yajima
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Patent number: 9084285Abstract: To be provided is a radio communication device including a packet generation unit for generating a packet including first decoding information that can be recognized by a radio communication device corresponding to a first communication scheme, second decoding information that can be recognized by a radio communication device corresponding to a second communication scheme and third decoding information that can be recognized by a radio communication device corresponding to a third communication scheme, and a transmission unit for transmitting the packet generated by the packet generation unit.Type: GrantFiled: January 20, 2011Date of Patent: July 14, 2015Assignee: SONY CORPORATIONInventor: Yuichi Morioka
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Patent number: 9065588Abstract: An optical network unit includes a central office interface configured to connect to a central office local loop and customer premises and provide a central office source service. A switch and a switch device is connected to the switch and has at least one service port to provide a local source service. A relay switch is connected to the at least one service port and the central office interface. A processor is connected to the switch and relay switch and configured to receive a command message and in response switch into either the central office interface and provide the central office source service or switch into the service port and provide the local source service.Type: GrantFiled: January 3, 2011Date of Patent: June 23, 2015Assignee: Adtran, Inc.Inventors: Brian C. Smith, Daniel M. Joffe
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Patent number: 9019853Abstract: A process for computing cubic metric used for performing Maximum Power Reduction (MPR) in the transmitter of a User Equipment communicating with a base station (BS), said cubic metric computation being performed before each time slot of said uplink transmission of data; said process being characterized in that it involves the steps of: —using PN generators (1-4) for generating random data which are used for performing said cubic metric computation, and —using the result of said computation for applying said Maximum Power Reduction (MPR) for each time slot of said uplink transmission.Type: GrantFiled: February 14, 2011Date of Patent: April 28, 2015Assignee: ST-Ericsson SAInventor: Mark A. Wallis
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Patent number: 9013988Abstract: A method for estimating engine thrust values of an aircraft is disclosed, the method comprising calculating estimated thrust value of an engine based on an equation of longitudinal motion, aircraft data measured during flight and calibrated drag/lift models, and a method for determining the thrust of an aircraft engine, based on information available from tracking the aircraft air-speed, acceleration, and position, the method comprising calculating the thrust, using the following equation: Thrust=mg{dot over (H)}/V+m{dot over (V)}+Drag.Type: GrantFiled: January 20, 2011Date of Patent: April 21, 2015Assignee: Elbit Systems Ltd.Inventor: Aviv Tzidon
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Patent number: 9008022Abstract: Provided are a radio transmission apparatus and a radio transmission method whereby the increase of number of signaling bits can be suppressed and further the flexibility of frequency scheduling can be improved. A notified RBG calculating unit (203) that adds a predetermined offset value of “1” or “?1” to one of the start RBG number and the end RBG number of allocated RBG number information (b?i) output by a scheduling unit (201), thereby calculating notified RBG number information (bi). An RBG total number setting unit (204) calculates the total number of RBGs, which is to be notified, by adding “1” to the total number of allocated RBGs. A notified information generating unit (205) applies the notified RBG number information (bi) and the notified total number of RBGs (Nrb?) to a predetermined formula, thereby generating and transmitting, to terminals, notified information (r).Type: GrantFiled: June 13, 2011Date of Patent: April 14, 2015Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Takashi Iwai, Daichi Imamura, Akihiko Nishio, Yoshihiko Ogawa, Shinsuke Takaoka
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Patent number: 9007886Abstract: The disclosure involves a method and an apparatus for implementing preamble generation. The method comprises: obtaining a first parameter value according to a root sequence number of a Zadoff-Chu (ZC) sequence; obtaining an initial value of a first sequence, according to a length and a cyclic shift value of the ZC sequence and the obtained first parameter value; performing iterative calculations on the first sequence according to the initial value of the first sequence and the first parameter value; performing iterative calculations on a second sequence according to the iteratively calculated values of the first sequence and a preset initial value of the second sequence; performing Discrete Fourier Transform (DFT) on the iteratively calculated values of the second sequence. The method and apparatus in the disclosure can achieve low complexity and high calculation precision in the calculation process and greatly reduce the amount of calculation and storage.Type: GrantFiled: September 13, 2010Date of Patent: April 14, 2015Assignee: ZTE CorporationInventors: Yining Xie, Tianmin Ren
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Patent number: 9008048Abstract: According to embodiments of the present invention, there is provided a method of providing, for a dual-antenna UE or quadri-antenna UE, downlink control information used for uplink transmission in a management device of LTE-A network, and the method for the former comprises the steps of: determining an uplink transmission scheme for the dual-antenna UE; semi-statically configuring, by high level signaling, the uplink transmission mode to which the uplink transmission scheme belongs; generating downlink control information corresponding to the determined uplink transmission scheme, the downlink control information comprising a first indicating field, a second indicating field, a new-data indicating field for a first transmission block and a new-data indicating field for a second transmission block; wherein, when transmission block is disabled for the determined up-link transmission scheme, disablement of at least one of two transmission blocks is represented by a first combination of the value of the first indType: GrantFiled: March 25, 2011Date of Patent: April 14, 2015Assignee: Alcatel LucentInventors: Jin Liu, Mingli You, Zhihua Hou
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Patent number: 8989036Abstract: Method and arrangement in a base station for providing an input parameter in an algorithm for predicting uplink load in a cell in a wireless communication system. The cell comprises at least one user equipment. The method comprises obtaining SIR target value associated with the user equipment, measuring SIR value on a signal sent from the user equipment, comparing the difference between the obtained SIR target value and the measured SIR value with a threshold limit value, selecting the SIR value as input parameter in the uplink load prediction algorithm for the user equipment, if the difference between the obtained SIR target value and the measured SIR value is bigger than the threshold limit value. Otherwise selecting the SIR target value as input parameter in the uplink load prediction algorithm for the user equipment.Type: GrantFiled: March 23, 2010Date of Patent: March 24, 2015Assignee: Telefonaktiebolaget L M Ericsson (publ)Inventors: Stephen Craig, Torbjörn Wigren
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Patent number: 8982751Abstract: A wireless communication device including: a data processing unit configured to generate an RTS (Request To Send) packet including response timing information designating transmission timings of CTS (Clear To Send) packets from each of a plurality of wireless communication devices; and a transmitter unit configured to transmit the RTS packet generated by the data processing unit.Type: GrantFiled: January 20, 2011Date of Patent: March 17, 2015Assignee: Sony CorporationInventor: Yuichi Morioka
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Patent number: 8982823Abstract: Disclosed is a method for allocating a terminal identifier through an initial network entry process with a base station in a wireless access system. The method comprises the steps of: receiving terminal type indication information indicating a M2M terminal from a terminal; constituting a second terminal identifier by adding bits of a predetermined number to the first terminal identifier on the basis of the terminal type indication information; and transmitting the second terminal identifier to the terminal.Type: GrantFiled: May 16, 2011Date of Patent: March 17, 2015Assignee: LG Electronics Inc.Inventors: Dongguk Lim, Hangyu Cho, Seunghyun Kang, Kyujin Park