Method and apparatus for quick retransmission of signals in communication system
    1.
    发明专利
    Method and apparatus for quick retransmission of signals in communication system 有权
    用于通信系统中信号快速恢复的方法和装置

    公开(公告)号:JP2012080582A

    公开(公告)日:2012-04-19

    申请号:JP2011284076

    申请日:2011-12-26

    Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for a quick retransmission of signals in a communication system.SOLUTION: A transmitting terminal, transmits transmission signals in a form of packets to a receiving terminal, if the packet was intended for the receiving terminal, and the receiving terminal demodulates the packet. The receiving terminal then computes a quality metric of the packet, and compares the computed quality metric with a quality metric contained in the packet. If the quality metrics match, the packet is forwarded for further processing. If the quality metrics fail to match, the receiving terminal sends a request for retransmission of the packet. The transmitting terminal determines which packet needs to be retransmitted based on the request for retransmission. If delivery of the packet in accordance with the aforementioned description fails, retransmission in accordance with conventional sequence-number-based schemes, e.g., radio link protocol, is attempted.

    Abstract translation: 要解决的问题:提供一种在通信系统中快速重发信号的方法和装置。 解决方案:如果分组旨在用于接收终端,则发送终端以分组的形式向接收终端发送发送信号,并且接收终端解调分组。 接收终端然后计算分组的质量度量,并将计算的质量度量与分组中包含的质量度量进行比较。 如果质量度量匹配,则转发数据包用于进一步处理。 如果质量度量不匹配,则接收终端发送分组请求。 发送终端根据重传请求确定哪个分组需要重传。 如果根据上述描述的分组的传送失败,则尝试根据常规的基于序列号的方案,例如无线电链路协议进行重传。 版权所有(C)2012,JPO&INPIT

    System and method for performing demodulation of turbo-encoded signal via pilot assisted coherent decoding
    2.
    发明专利
    System and method for performing demodulation of turbo-encoded signal via pilot assisted coherent decoding 审中-公开
    通过引导辅助相关解码执行涡轮编码信号解调的系统和方法

    公开(公告)号:JP2011050064A

    公开(公告)日:2011-03-10

    申请号:JP2010211239

    申请日:2010-09-21

    CPC classification number: H03M13/6337 H03M13/2957 H03M13/658 H04L1/20

    Abstract: PROBLEM TO BE SOLVED: To provide a telecommunications receiver system for accurately decoding a received composite signal having a data signal component and a pilot signal component.
    SOLUTION: A receiver system includes a first circuit for receiving a composite signal and extracting a pilot signal and a data signal from the received composite signal. A second circuit calculates a log-likelihood ratio as a function of a channel estimate based on the pilot signal. A third circuit scales the log-likelihood ratio by a predetermined log-likelihood ratio scaling factor and provides an accurate log-likelihood value in response thereto. A fourth circuit decodes the received composite signal based on the accurate log-likelihood value and the data signal.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种用于对具有数据信号分量和导频信号分量的接收复合信号进行精确解码的电信接收机系统。 解决方案:接收机系统包括用于接收复合信号并从接收的复合信号中提取导频信号和数据信号的第一电路。 第二电路基于导频信号计算作为信道估计的函数的对数似然比。 第三电路将对数似然比缩小预定的对数似然比缩放因子,并响应于此提供准确的对数似然值。 第四电路基于准确的对数似然值和数据信号对接收到的复合信号进行解码。 版权所有(C)2011,JPO&INPIT

    Method and apparatus of forward direction output control in communication system
    5.
    发明专利
    Method and apparatus of forward direction output control in communication system 审中-公开
    通信系统中前向方向输出控制的方法与装置

    公开(公告)号:JP2008011543A

    公开(公告)日:2008-01-17

    申请号:JP2007191371

    申请日:2007-07-23

    Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus of forward direction output control in communication system. SOLUTION: In a data communication system capable of performing variable rate transmission, a data rate is decided by performing the maximum C/I observation of a forward direction link signal so as to be observed in an access terminal 6. Data transmission is planned based on the access terminal 6 which have begun the forward direction output control. The forward direction output control decreases quantization loss of a forward direction link rate caused by excess transmission output. The access terminal 6 reports excess C/I estimation relating to a selected rate to an access point 4. Then the access point 4 decreases its self transmission output by a proper amount when operating the access terminal 6. COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提供通信系统中的正向输出控制的方法和装置。 解决方案:在能够执行可变速率传输的数据通信系统中,通过执行正向链路信号的最大C / I观测来确定数据速率,以便在接入终端6中观察。数据传输是 基于已经开始正向输出控制的接入终端6计划。 正向输出控制减少由过量传输输出引起的正向链路速率的量化损失。 接入终端6向接入点4报告与所选择的速率相关的多余的C / I估计。然后,当操作接入终端6时,接入点4将其自身传输输出减小适当的数量。(C) 2008年,日本特许厅和INPIT

    System and method for providing accurate estimation of received signal interference for use in wireless communications systems
    7.
    发明专利
    System and method for providing accurate estimation of received signal interference for use in wireless communications systems 审中-公开
    用于提供在无线通信系统中使用的接收信号干扰的精确估计的系统和方法

    公开(公告)号:JP2013070386A

    公开(公告)日:2013-04-18

    申请号:JP2012240140

    申请日:2012-10-31

    CPC classification number: H04L27/38 H04B1/712 H04B17/336 H04L25/067 H04L27/34

    Abstract: PROBLEM TO BE SOLVED: To provide a system and method for providing an accurate estimate of received signal interference for wireless communications systems.SOLUTION: A system for providing an accurate interference value signal received over a channel and transmitted by an external transceiver includes a first receiver section for receiving the signal, which has a desired signal component and an interference component. A signal extracting circuit extracts an estimate of the desired signal component from the received signal. A noise estimation circuit 12 provides the accurate interference value on the basis of the estimate of the desired signal component and the received signal. A look-up table transforms the accurate noise and/or interference value to a normalization factor. A carrier signal-to interference ratio circuit employs the normalization factor and the received signal to compute an accurate carrier signal-to-interference ratio estimate. Path-weighting/combining circuitry 42 generates optimal path-combining weights on the basis of the received signal and the normalization factor.

    Abstract translation: 要解决的问题:提供一种用于提供对无线通信系统的接收信号干扰的精确估计的系统和方法。 解决方案:用于提供通过信道接收并由外部收发器发送的精确干扰值信号的系统包括用于接收具有期望信号分量和干扰分量的信号的第一接收机部分。 信号提取电路从接收信号中提取所需信号分量的估计。 噪声估计电路12基于期望信号分量和接收信号的估计提供精确的干扰值。 查找表将精确的噪声和/或干扰值转换为归一化因子。 载波信号与干扰比电路采用归一化因子和接收信号来计算准确的载波信号与干扰比估计。 路径加权/组合电路42基于接收信号和归一化因子产生最佳路径组合权重。 版权所有(C)2013,JPO&INPIT

    Method and apparatus for quick retransmission of signals in communication system
    8.
    发明专利
    Method and apparatus for quick retransmission of signals in communication system 有权
    用于通信系统中信号快速恢复的方法和装置

    公开(公告)号:JP2011205694A

    公开(公告)日:2011-10-13

    申请号:JP2011132636

    申请日:2011-06-14

    Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for quick retransmission of signals in a communication system.SOLUTION: A transmitting terminal transmits signals in a form of packets to a receiving terminal, if the packet is intended for the receiving terminal, if so, the receiving terminal demodulates the packet. The receiving terminal then computes a quality metric of the packet, and compares the computed quality metric with a quality metric contained in the packet. If the quality metrics match, the packet is forwarded for further processing. If the quality metrics fail to match, the receiving terminal sends a request for retransmission of the packet. The transmitting terminal determines which packet needs to be retransmitted based on the request for retransmission. If delivery of the packet in accordance with the description fails, retransmission in accordance with a conventional sequence-number-based scheme, e.g., radio link protocol, is attempted.

    Abstract translation: 要解决的问题:提供一种在通信系统中快速重发信号的方法和装置。解决方案:如果分组旨在用于接收终端,则发送终端以分组的形式向接收终端发送信号,如果是 接收终端解调分组。 接收终端然后计算分组的质量度量,并将计算的质量度量与分组中包含的质量度量进行比较。 如果质量度量匹配,则转发数据包用于进一步处理。 如果质量度量不匹配,则接收终端发送分组请求。 发送终端根据重传请求确定哪个分组需要重传。 如果根据描述传送分组失败,则尝试按照常规基于序列号的方案,例如无线电链路协议进行重发。

    System and method for providing accurate estimation of received signal interference for use in wireless communication system
    9.
    发明专利
    System and method for providing accurate estimation of received signal interference for use in wireless communication system 有权
    提供在无线通信系统中使用的接收信号干扰的精确估计的系统和方法

    公开(公告)号:JP2011055508A

    公开(公告)日:2011-03-17

    申请号:JP2010212308

    申请日:2010-09-22

    CPC classification number: H04L27/38 H04B1/712 H04B17/336 H04L25/067 H04L27/34

    Abstract: PROBLEM TO BE SOLVED: To provide an accurate estimate of interference of a received signal for a wireless communication system. SOLUTION: A system includes a first receiver section for receiving a signal, which has a desired signal component and an interference component. A signal extracting circuit extracts an estimate of the desired signal component from the received signal. A noise estimation circuit 12 provides an accurate interference value based on the estimate of the desired signal component and the received signal. A look-up table transforms the accurate noise and/or interference value to a normalization factor. A carrier signal-to-interference ratio circuit employs the normalization factor and the received signal to compute an accurate carrier signal-to-interference ratio estimate. Path-combining circuitry generates optimal path-combining weights based on the received signal and the normalization factor. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供对于无线通信系统的接收信号的干扰的精确估计。 解决方案:系统包括用于接收信号的第一接收器部分,其具有期望的信号分量和干扰分量。 信号提取电路从接收信号中提取所需信号分量的估计。 噪声估计电路12基于期望信号分量和接收信号的估计提供精确的干扰值。 查找表将精确的噪声和/或干扰值转换为归一化因子。 载波信号干扰比电路采用归一化因子和接收信号来计算准确的载波信号与干扰比估计。 路径组合电路基于接收信号和归一化因子产生最佳路径组合权重。 版权所有(C)2011,JPO&INPIT

    Un procedimiento y un aparato para una retransmisión rápida de señales en un sistema de comunicación

    公开(公告)号:ES2753442T3

    公开(公告)日:2020-04-08

    申请号:ES10177328

    申请日:2001-04-13

    Applicant: QUALCOMM INC

    Abstract: Un aparato configurado para retransmitir señales en un sistema de comunicación, que comprende: medios (522) para descodificar contenidos de una unidad de señal recibida, en el que dichos contenidos de dicha unidad de señal recibida se descodifican de acuerdo con la información transportada en un canal de control; medios (524) para generar una primera señal de retroalimentación; medios (532) para generar una segunda señal de retroalimentación; medios (521) para determinar una métrica de calidad de dicha unidad de señal recibida; medios (521) para indicar a dichos medios para generar una primera señal de retroalimentación para que generen dicha primera señal de retroalimentación de acuerdo con dicha métrica de calidad, en el que la primera señal de retroalimentación no contiene una indicación explícita respecto a qué unidad de señal recibida se va a retransmitir, medios (526) para indicar a dichos medios para generar una segunda señal de retroalimentación para que generen dicha segunda señal de retroalimentación de acuerdo con un número de secuencia de dicha unidad de señal recibida cuando una retransmisión de dicha unidad de señal recibida de acuerdo con dicha métrica de calidad se declara fallida; medios (520) para detectar un preámbulo de dicha unidad de señal recibida; y medios para evitar la descodificación de dicha unidad de señal recibida si dicho preámbulo indica que dicha unidad de señal recibida no se debe descodificar.

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