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    多码道功率配比方法和装置
    21.
    发明申请
    多码道功率配比方法和装置 审中-公开

    公开(公告)号：WO2011153967A1

    公开(公告)日：2011-12-15

    申请号：PCT/CN2011/075621

    申请日：2011-06-10

    申请人： 中兴通讯股份有限公司 ,  洪江波

    发明人： 洪江波

    IPC分类号： H04B7/005 ,  H04L25/00

    CPC分类号： H04W52/346 ,  H04W52/16 ,  H04W72/0473 ,  H04W72/082

    摘要： 本发明揭示了一种多码道功率配比方法，包括：获取各码道的配置功率；根据各码道的配置功率计算功率差；根据所述功率差的范围及3GPP协议中各码道对应的加权因子计算得到各码道功率配比因子；根据所述各码道功率配比因子计算总发射功率和/或生成基带脉冲突发信号。本发明还提供了对应的装置。本发明根据各种码道组合情况提供功率配比方案，使得各个上行码道功率得到合理分配，降低了信道间的相互干扰，提高发射信号的解调性能，有利于将TD-SCDMA终端由3GPPR5、R6平滑升级到R7的技术需求，技术方案实施容易，兼容性好。

    A METHOD AND APPARATUS FOR EFFICIENT MULTI-SYMBOL DETECTION
    24.
    发明申请
    A METHOD AND APPARATUS FOR EFFICIENT MULTI-SYMBOL DETECTION 审中-公开
    一种用于有效多符号检测的方法和装置

    公开(公告)号：WO2009105022A1

    公开(公告)日：2009-08-27

    申请号：PCT/SE2009/050183

    申请日：2009-02-19

    申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)

    发明人： BOTTOMLEY, Gregory E. ,  DENT, Paul W.

    IPC分类号： H04L25/00 ,  H04J11/00 ,  H04B1/707

    CPC分类号： H04J13/00 ,  H04B1/7105 ,  H04J13/102 ,  H04L25/03057 ,  H04L25/067 ,  H04L2025/0342

    摘要： Where two or more multi-valued digital data symbols are modulated so that they overlap after passing through a channel, forming a combined signal, a receiver (10) receives the combined signal and forms detection statistics to attempt to recover the symbols. Where forming detection statistics does not completely separate the symbols, each statistic comprises a different mix of the symbols. A receiver (10) determines the symbols which, when mixed in the same way, reproduce or explain the statistics most closely. For example, the receiver (10) hypothesizes all but one of the symbols and subtracts the effect of the hypothesized symbols from the mixed statistics. The remainders are combined and quantized to the nearest value of the remaining symbol. For each hypothesis, the remaining symbol is determined. A metric is then computed for each symbol hypothesis including the so-determined remaining symbol, and the symbol set producing the best metric is chosen as the decoded symbols.

    摘要翻译： 当调制两个或更多个多值数字数据符号使得它们在通过信道之后重叠时，形成组合信号，接收器（10）接收组合信号并形成检测统计信息以尝试恢复符号。 在形成检测统计信息不完全分离符号的情况下，每个统计量包括符号的不同混合。 接收器（10）确定当以相同的方式混合时，最接近地再现或解释统计信息的符号。 例如，接收器（10）假设除符号之外的所有符号，并从混合统计中减去假设符号的影响。 余数被组合并量化为剩余符号的最接近的值。 对于每个假设，确定剩余符号。 然后针对包括所确定的剩余符号的每个符号假设计算度量，并且选择产生最佳度量的符号集作为解码符号。

    RECEIVER FOR A MULTIMODE RADIO
    25.
    发明申请
    RECEIVER FOR A MULTIMODE RADIO 审中-公开
    接收器用于多模式无线电

    公开(公告)号：WO2006116391A3

    公开(公告)日：2009-04-30

    申请号：PCT/US2006015611

    申请日：2006-04-26

    申请人： SKYWORKS SOLUTIONS INC

    发明人： RAMACHANDRAN BALASUBRAMANIAN ,  VASA JOHN E ,  LIPAN TUDOR ,  BEAMISH NORMAN J

    IPC分类号： H04M1/00 ,  H04L25/00

    CPC分类号： H04B1/707 ,  H04B1/0067 ,  H04B2201/70711

    摘要： A receiver for a multi-mode wireless device is provided. The receiver has multiple analog RF front end modules, with each module supporting a different mode of operation. The receiver has a single digital backend module for generating a digital baseband signal. A controller selects one of the available RF modules to use, and the selected RF module provides an analog communication signal to the digital backend. Each available mode has an associated set of factors. When a particular mode is selected, the set of factors associated with the selected mode is provided to the digital backend. The digital backend uses these factors to adjust the processing characteristics of its components, such as its analog to digital converter, filters, and gain controller. In this way, the single digital backend is adaptable to the requirements of each of the available radio modes.

    摘要翻译： 提供了一种用于多模式无线设备的接收机。 接收器具有多个模拟RF前端模块，每个模块支持不同的操作模式。 接收器具有用于产生数字基带信号的单个数字后端模块。 控制器选择可使用的RF模块之一，并且所选择的RF模块向数字后端提供模拟通信信号。 每个可用模式都有一组相关的因素。 当选择特定模式时，将与所选模式相关联的因子集提供给数字后端。 数字后端使用这些因素来调整其组件的处理特性，例如其模数转换器，滤波器和增益控制器。 以这种方式，单个数字后端可以适应每个可用无线电模式的要求。

    A SYMBOL-LEVEL ADAPTATION METHOD, MEMORY, EQUALIZER AND RECEIVER FOR IMPLEMENTING THIS METHOD
    27.
    发明申请
    A SYMBOL-LEVEL ADAPTATION METHOD, MEMORY, EQUALIZER AND RECEIVER FOR IMPLEMENTING THIS METHOD 审中-公开
    用于实施本方法的符号级适应方法，存储器，均衡器和接收器

    公开(公告)号：WO2007096799A1

    公开(公告)日：2007-08-30

    申请号：PCT/IB2007/050411

    申请日：2007-02-08

    申请人： NXP B.V. ,  BASTUG, Ahmet ,  DEMAJ, Pierre

    发明人： BASTUG, Ahmet ,  DEMAJ, Pierre

    IPC分类号： H04J11/00 ,  H04B1/707 ,  H04L25/00

    CPC分类号： H04J13/20 ,  H04B1/7097 ,  H04B2201/70701 ,  H04L25/03063 ,  H04L2025/03509

    摘要： A symbol-level adaptation method to adapt at least one coefficient of an equalizer, wherein the method comprises the steps of: a) determining (144) if there exists a shortened pilot channelization code which has a spreading factor shorter than the spreading factor of a full pilot channelization code and which is, at the same time, still orthogonal to any other simultaneously active channelization codes, and, b) if there exists a shortened pilot channelization code, despreading (162) the pilot channel using the shortened pilot channelization code to obtain a pilot symbol estimation, and c) adapting (168) the value of the equalizer coefficient according to the error between the pilot symbol estimation obtained from step b) and a corresponding expected pilot symbol.

    摘要翻译： 一种适应均衡器的至少一个系数的符号级自适应方法，其中所述方法包括以下步骤：a）确定（144）是否存在一个缩短的导频信道化码，其扩频因子小于一个扩展因子 全导频信道化码，并且同时仍然与任何其他同时有效的信道化码正交，以及b）如果存在缩短的导频信道化码，则使用缩短的导频信道化码将该导频信道解扩（162） 获得导频符号估计，以及c）根据从步骤b）获得的导频符号估计与相应的预期导频符号之间的误差来适配（168）均衡器系数的值。

    ALL DIGITAL IMPLEMENTATION OF CLOCK SPECTRUM SPREADING
    28.
    发明申请
    ALL DIGITAL IMPLEMENTATION OF CLOCK SPECTRUM SPREADING 审中-公开

    公开(公告)号：WO2007016607A3

    公开(公告)日：2007-02-08

    申请号：PCT/US2006/030027

    申请日：2006-08-01

    申请人： MARVELL WORLD TRADE LTD. ,  GREENBERG, Jody

    发明人： GREENBERG, Jody

    IPC分类号： H04B1/69 ,  H04B1/707 ,  H04B1/713 ,  H04L7/00 ,  H04L25/00 ,  H03D3/24

    摘要： A digital circuit (200) configured to spread a clock train spectrum includes a clock (205) configured to generate the clock train (100), and a variable divider (210) configured to divide the frequency of the clock train by a temporally-varying-divider value to modulate the clock train and generate a dithered clock train (245). The circuit (200) further includes a first accumulator (215) configured to accumulate the dithered clock train (245) to generate a frequency modulation waveform, and a second accumulator (220) configured accumulate the frequency modulated waveform to generate a phase modulation signal (255). The circuit further includes a phase-value calculator configured to calculate the temporally-varying divider value based on the phase modulation signal; and a closed-loop control circuit configured to track and filter the modulation of the dithered clock train to generate a second clock train, that is the spread spectrum of the first mentioned clock train.

    SYSTEM AND METHOD FOR UTILIZING DIFFERENT KNOWN GUARD INTERVALS IN SINGLE/MULTIPLE CARRIER COMMUNICATION SYSTEMS
    29.
    发明申请
    SYSTEM AND METHOD FOR UTILIZING DIFFERENT KNOWN GUARD INTERVALS IN SINGLE/MULTIPLE CARRIER COMMUNICATION SYSTEMS 审中-公开
    在单个/多个载波通信系统中利用不同已知的卫星间隔的系统和方法

    公开(公告)号：WO2006075210A3

    公开(公告)日：2006-09-08

    申请号：PCT/IB2005003961

    申请日：2005-12-22

    申请人： NOKIA CORP ,  NOKIA INC

    发明人： WANG HAIFENG ,  LI WEI ,  CHEN MING ,  CHENG SHIXIN

    IPC分类号： H04L25/00

    CPC分类号： H04L27/2605 ,  H04L25/0212 ,  H04L2025/03414 ,  H04L2025/03522

    摘要： A system and method for a transceiver structure, where Different Known Guard Intervals (DKGI) (104,108,112) are appended to multiple, consecutive data blocks (102,106,110) and. are then used in combination with Channel State Information (CSI) (206), derived from the received DKGI, to restore cyclic convolution (208) in the time domain. Once restored, the CSI and cyclic convolution are transformed into the frequency domain by EFT processing to facilitate equalization of the channel through Frequency Domain Equalization (FDE). Through performance of time domain channel estimation, there is no need for pilot signals and related overhead, thus channel capacity is enhanced.

    摘要翻译： 一种用于收发器结构的系统和方法，其中将不同的已知保护间隔（DKGI）（104,108,112）附加到多个连续数据块（102,106,110）和。 然后与从接收的DKGI导出的信道状态信息（CSI）（206）结合使用，以在时域中恢复循环卷积（208）。 一旦恢复，通过EFT处理将CSI和循环卷积转换成频域，以促进通过频域均衡（FDE）的信道均衡。 通过执行时域信道估计，不需要导频信号和相关开销，从而增强了信道容量。