Repetition apparatus and method for repeatedly transmitting and receiving data packet using different puncturing patterns
    1.
    发明授权
    Repetition apparatus and method for repeatedly transmitting and receiving data packet using different puncturing patterns 失效
    用于使用不同的打孔模式重复地发送和接收数据分组的重复装置和方法

    公开(公告)号:US07995578B2

    公开(公告)日:2011-08-09

    申请号:US12334043

    申请日:2008-12-12

    IPC分类号: H04J3/16

    摘要: Provided are repetition apparatus and method for repeatedly transmitting and receiving a data packet using different puncturing patterns to overcome signal attenuation and fading in a high speed mobile environment by repeatedly transmitting the duplicated information bit sequences with parity bits having a different puncturing pattern after channel-encoding the duplicated information bit. The repetition apparatus for repeatedly transmitting a data packet, includes a dual data generator for generating duplicated information bit sequences identical to each of information bit sequences to transmit, a channel encoder for dividing each of the duplicated information bit sequences into a plurality of information bits, and generating coded data packets alternately having a plurality of parity bits according to different puncturing patterns for each of the divided information bits, and a transmitter for transmitting the generated coded data packets sequentially.

    摘要翻译: 提供了一种重复装置和方法,用于使用不同的打孔模式重复地发送和接收数据包,以通过在频道编码之后重复地发送具有不同打孔图案的奇偶校验位的复制信息比特序列来克服高速移动环境中的信号衰减和衰落 重复的信息位。 用于重复发送数据分组的重复装置包括:双数据产生器,用于产生与要发送的每个信息比特序列相同的重复信息比特序列,用于将每个复制信息比特序列分成多个信息比特的信道编码器, 以及根据用于每个分割的信息比特的不同的删截图案,交替地生成具有多个奇偶校验位的编码数据分组,以及发送器,用于顺序地发送所生成的编码数据分组。

    REPETITION APPARATUS AND METHOD FOR REPEATEDLY TRANSMITTING AND RECEIVING DATA PACKET USING DIFFERENT PUNCTURING PATTERNS
    2.
    发明申请
    REPETITION APPARATUS AND METHOD FOR REPEATEDLY TRANSMITTING AND RECEIVING DATA PACKET USING DIFFERENT PUNCTURING PATTERNS 失效
    重复发送装置和重复发送和接收数据包使用不同的打孔模式的方法

    公开(公告)号:US20090154458A1

    公开(公告)日:2009-06-18

    申请号:US12334043

    申请日:2008-12-12

    IPC分类号: H04L12/56

    摘要: Provided are repetition apparatus and method for repeatedly transmitting and receiving a data packet using different puncturing patterns to overcome signal attenuation and fading in a high speed mobile environment by repeatedly transmitting the duplicated information bit sequences with parity bits having a different puncturing pattern after channel-encoding the duplicated information bit. The repetition apparatus for repeatedly transmitting a data packet, includes a dual data generator for generating duplicated information bit sequences identical to each of information bit sequences to transmit, a channel encoder for dividing each of the duplicated information bit sequences into a plurality of information bits, and generating coded data packets alternately having a plurality of parity bits according to different puncturing patterns for each of the divided information bits, and a transmitter for transmitting the generated coded data packets sequentially.

    摘要翻译: 提供了一种重复装置和方法,用于使用不同的打孔模式重复地发送和接收数据分组,以通过在频道编码之后重复地发送具有不同打孔图案的奇偶校验位的复制信息比特序列来克服高速移动环境中的信号衰减和衰落 重复的信息位。 用于重复发送数据分组的重复装置包括:双数据产生器,用于产生与要发送的每个信息比特序列相同的重复信息比特序列,用于将每个复制信息比特序列分成多个信息比特的信道编码器, 以及根据用于每个分割的信息比特的不同的删截图案,交替地生成具有多个奇偶校验位的编码数据分组,以及发送器,用于顺序地发送所生成的编码数据分组。

    Apparatus and method for estimating phase error based on variable step size
    3.
    发明授权
    Apparatus and method for estimating phase error based on variable step size 有权
    基于可变步长估计相位误差的装置和方法

    公开(公告)号:US08422600B2

    公开(公告)日:2013-04-16

    申请号:US12536856

    申请日:2009-08-06

    IPC分类号: H04L27/06 H03M13/03

    摘要: Disclosed is a phase error estimating an apparatus and a method which provides improved convergence speed and tracking speed even in mobile channel environment by variably applying the step size for phase error estimation according to channel status. The apparatus for estimating a phase error includes: a posterior probability (APP) average calculating unit for calculating an APP average value from a soft decision result of a currently received symbol; a step size determining unit for determining a step size variably according to channel status; and a phase error estimating unit for estimating a phase error of the currently received symbol from a phase error of a previously received symbol and the APP average value by using the variably determined step size.

    摘要翻译: 公开了一种相位误差估计装置和方法,即使在移动信道环境中也可以通过根据信道状态可变地应用步长来进行相位误差估计,从而提高收敛速度和跟踪速度。 用于估计相位误差的装置包括:后验概率(APP)平均计算单元,用于根据当前接收的符号的软判决结果计算APP平均值; 步长确定单元,用于根据信道状态可变地确定步长; 以及相位误差估计单元,用于通过使用可变确定的步长来估计来自先前接收到的符号的相位误差的当前接收到的符号的相位误差和APP平均值。

    APPARATUS AND METHOD FOR ESTIMATING PHASE ERROR BASED ON VARIABLE STEP SIZE
    4.
    发明申请
    APPARATUS AND METHOD FOR ESTIMATING PHASE ERROR BASED ON VARIABLE STEP SIZE 有权
    基于可变步长估计相位误差的装置和方法

    公开(公告)号:US20100091913A1

    公开(公告)日:2010-04-15

    申请号:US12536856

    申请日:2009-08-06

    IPC分类号: H04L27/06

    摘要: Disclosed is a phase error estimating an apparatus and a method which provides improved convergence speed and tracking speed even in mobile channel environment by variably applying the step size for phase error estimation according to channel status. The apparatus for estimating a phase error includes: a posterior probability (APP) average calculating unit for calculating an APP average value from a soft decision result of a currently received symbol; a step size determining unit for determining a step size variably according to channel status; and a phase error estimating unit for estimating a phase error of the currently received symbol from a phase error of a previously received symbol and the APP average value by using the variably determined step size.

    摘要翻译: 公开了一种相位误差估计装置和方法,即使在移动信道环境中也可以通过根据信道状态可变地应用步长来进行相位误差估计,从而提高收敛速度和跟踪速度。 用于估计相位误差的装置包括:后验概率(APP)平均计算单元,用于根据当前接收的符号的软判决结果计算APP平均值; 步长确定单元,用于根据信道状态可变地确定步长; 以及相位误差估计单元,用于通过使用可变确定的步长来估计来自先前接收到的符号的相位误差的当前接收到的符号的相位误差和APP平均值。

    METHOD FOR HANDOVER BETWEEN HETEROGENEOUS NETWORKS USING LINK TRIGGER SIGNAL IN MULTI-INTERFACE MOBILE ROUTER
    6.
    发明申请
    METHOD FOR HANDOVER BETWEEN HETEROGENEOUS NETWORKS USING LINK TRIGGER SIGNAL IN MULTI-INTERFACE MOBILE ROUTER 有权
    在多接口移动路由器中使用链路触发信号的异构网络之间切换的方法

    公开(公告)号:US20090154421A1

    公开(公告)日:2009-06-18

    申请号:US12186670

    申请日:2008-08-06

    IPC分类号: H04Q7/00

    摘要: Provided is a method for handover between heterogeneous networks using a link trigger signal in a multi-interface mobile router. The method includes: maintaining a state of a second network access interface in a sleep state, activating a first network access interface, receiving and transmitting the first network service to a subordinate node in the mobile router located in a first network; when the mobile router senses a second network link-up trigger signal while moving to the second network, changing the state of the second network access interface into an active state and performing handover; and receiving a second network service through the activated second network access interface in the mobile router performing the handover and transmitting the second network service to the subordinate node.

    摘要翻译: 提供了一种使用多接口移动路由器中的链路触发信号在异构网络之间切换的方法。 该方法包括:将第二网络接入接口的状态保持在睡眠状态,激活第一网络接入接口,将第一网络服务接收并发送到位于第一网络中的移动路由器中的下级节点; 当移动路由器在移动到第二网络时感测到第二网络链接触发信号,将第二网络接入接口的状态改变为活动状态并执行切换; 以及通过执行切换的移动路由器中的激活的第二网络接入接口接收第二网络服务,并将第二网络服务发送到下级节点。

    Method for handover between heterogeneous networks using link trigger signal in multi-interface mobile router
    7.
    发明授权
    Method for handover between heterogeneous networks using link trigger signal in multi-interface mobile router 有权
    在多接口移动路由器中使用链路触发信号的异构网络之间切换的方法

    公开(公告)号:US08155041B2

    公开(公告)日:2012-04-10

    申请号:US12186670

    申请日:2008-08-06

    IPC分类号: H04W36/32

    摘要: Provided is a method for handover between heterogeneous networks using a link trigger signal in a multi-interface mobile router. The method includes: maintaining a state of a second network access interface in a sleep state, activating a first network access interface, receiving and transmitting the first network service to a subordinate node in the mobile router located in a first network; when the mobile router senses a second network link-up trigger signal while moving to the second network, changing the state of the second network access interface into an active state and performing handover; and receiving a second network service through the activated second network access interface in the mobile router performing the handover and transmitting the second network service to the subordinate node.

    摘要翻译: 提供了一种使用多接口移动路由器中的链路触发信号在异构网络之间切换的方法。 该方法包括:将第二网络接入接口的状态保持在睡眠状态,激活第一网络接入接口,将第一网络服务接收并发送到位于第一网络中的移动路由器中的下级节点; 当移动路由器在移动到第二网络时感测到第二网络链接触发信号,将第二网络接入接口的状态改变为活动状态并执行切换; 以及通过执行切换的移动路由器中的激活的第二网络接入接口接收第二网络服务,并将第二网络服务发送到下级节点。

    Apparatus for estimating frequency offset from received signal and method for the same
    9.
    发明申请
    Apparatus for estimating frequency offset from received signal and method for the same 失效
    用于估计接收信号的频率偏移的装置及其方法

    公开(公告)号:US20060045137A1

    公开(公告)日:2006-03-02

    申请号:US11026957

    申请日:2004-12-30

    IPC分类号: H04J3/06

    摘要: Provided are an apparatus for estimating frequency offset from received signal and method for the same. The apparatus and method estimates frequency offset precisely without increment of autocorrelator by performing moving average filtering on a noised signal to thereby alleviate jitter. The frequency offset estimating apparatus includes: moving average filter for alleviating jitter of received signal; multiplier for multiplying a filtered signal by conjugate complex operanded pilot signal; phase-rotation value calculator for calculating a phase-rotation value from multiplicand operanded signal by using of symbol delay and an autocorrelation function; frequency offset estimator for estimating frequency offset from the phase-rotation value based on a smoothing function multiplication.

    摘要翻译: 提供了一种用于从接收信号估计频率偏移的装置及其方法。 该装置和方法通过对噪声信号执行移动平均滤波来精确地估计频率偏移而不增加自相关器,从而减轻抖动。 频率偏移估计装置包括:移动平均滤波器,用于减轻接收信号的抖动; 乘法器,用于将经滤波的信号乘以共轭复运算导频信号; 相位旋转值计算器,用于通过使用符号延迟和自相关函数来从被乘数运算信号计算相位旋转值; 频率偏移估计器,用于基于平滑函数乘法估计相位旋转值的频率偏移。

    Method and apparatus for compensating I/Q imbalance by using variable loop gain in quadrature demodulator
    10.
    发明申请
    Method and apparatus for compensating I/Q imbalance by using variable loop gain in quadrature demodulator 失效
    通过在正交解调器中使用可变环路增益来补偿I / Q不平衡的方法和装置

    公开(公告)号:US20050069055A1

    公开(公告)日:2005-03-31

    申请号:US10839383

    申请日:2004-05-04

    摘要: An apparatus and method for compensating an imbalance of phase and gain between I-channel and Q-channel by using variable loop gains is disclosed. The apparatus includes: a phase error generator for generating a phase error signal by using the I-channel signal and the Q-channel signal; an average value calculator for calculating an average value of the phase error signal; a comparator for comparing the average value with a predetermined threshold; a selector for selecting a loop gain value among a set of loop gains based on the comparison result; a phase imbalance generator for generating a phase imbalance by using the selected loop gain value; and a compensator for compensating the Q-channel signal based on the phase imbalance.

    摘要翻译: 公开了一种用于通过使用可变环路增益来补偿I信道和Q信道之间的相位和增益不平衡的装置和方法。 该装置包括:相位误差发生器,用于通过使用I信道信号和Q信道信号产生相位误差信号; 用于计算相位误差信号的平均值的平均值计算器; 用于将所述平均值与预定阈值进行比较的比较器; 用于根据比较结果在一组循环增益中选择一个环路增益值的选择器; 相位不平衡发生器,用于通过使用所选择的环路增益值来产生相位不平衡; 以及用于基于相位不平衡来补偿Q通道信号的补偿器。