CDMA receiver
    291.
    发明授权
    CDMA receiver 有权
    CDMA接收机

    公开(公告)号:US07170925B2

    公开(公告)日:2007-01-30

    申请号:US10074939

    申请日:2002-02-13

    CPC classification number: H04B1/712 H04B1/7115 H04B2201/7071

    Abstract: In a CDMA receiver for applying despread processing to direct wave or delayed waves that arrive via each path of multiple paths, applying synchronous detection processing to the despread signals obtained, combining the detection signals of respective paths and discriminating the received data on the basis of the combined signal, (1) a weighting unit provided for every path measures power of delayed received waves that arrive via its own path and, if the reception power is less than a set level (breakpoint level), subjects an output signal to weighting conforming to the reception power; (2) a RAKE combiner combines signals output from the weighting units of the respective paths; and (3) a data discrimination unit discriminates receive data based upon the output signal of the combiner.

    Abstract translation: 在用于对通过多个路径的每条路径到达的直达波或延迟波的解扩处理的CDMA接收机中,对获得的去扩展信号应用同步检测处理,组合各个路径的检测信号,并基于 组合信号,(1)为每个路径提供的加权单元测量通过其自身路径到达的延迟接收波的功率,并且如果接收功率小于设定电平(断点电平),则对输出信号进行加权以符合 接待能力; (2)RAKE组合器组合从相应路径的加权单元输出的信号; 和(3)数据鉴别单元基于组合器的输出信号来鉴别接收数据。

    Multi-code correlation architecture for use in software-defined radio systems
    292.
    发明申请
    Multi-code correlation architecture for use in software-defined radio systems 有权
    用于软件定义无线电系统的多码相关架构

    公开(公告)号:US20060277236A1

    公开(公告)日:2006-12-07

    申请号:US11501577

    申请日:2006-08-09

    Inventor: Eran Pisek Yan Wang

    Abstract: A reconfigurable multi-code correlation unit for correlating a sequence of chip samples comprising 1) a memory for storing the chip samples; 2) a plurality of add-subtract cells, each add-subtract cell receiving a plurality of real bits, a, and a plurality of imaginary bits, b, from a first chip sample and storing each real bit, a, and each imaginary bit, b, in a data store; and 3) a plurality of sign select units. Each sign select units receives from one add-subtract cell a plurality of first inputs equal to a sum (a+b) of the real bits, a, and the imaginary bits, b, and a plurality of second inputs equal to a difference (a−b) of the real bits, a, and the imaginary bits, b. Each sign select unit generates a plurality of real outputs and a plurality of imaginary outputs, wherein each of the real and imaginary outputs is equal to one of 1) the sum (a+b) multiplied by one of +1 and −1 and 2) the difference (a−b) multiplied by one of +1 and −1.

    Abstract translation: 一种用于关联芯片样本序列的可重构多码相关单元,包括:1)用于存储芯片样本的存储器; 2)多个加减法单元,每个加减法单元从第一个芯片采样接收多个实数位a和多个虚数位b,并存储每个实数位a和每个虚数位 ,b,在数据存储中; 和3)多个符号选择单元。 每个符号选择单元从一个加减法单元接收多个等于实际比特的和(a + b)的第一输入,以及虚数比特b和等于差的多个第二输入( ab)的真实位,a和虚数位b。 每个符号选择单元产生多个实数输出和多个虚数输出,其中实输出和虚数输出中的每一个等于1)和(a + b)之和乘以+1和-1和2之一 )差值(ab)乘以+1和-1之一。

    Reuse of digital-to-analog converters in a multi-mode transmitter
    293.
    发明申请
    Reuse of digital-to-analog converters in a multi-mode transmitter 有权
    数模转换器在多模发射机中的重用

    公开(公告)号:US20060240789A1

    公开(公告)日:2006-10-26

    申请号:US11114732

    申请日:2005-04-25

    CPC classification number: H04B1/0003 H04B1/406 H04B2201/7071

    Abstract: A transmitter for generating modulated signals is shown, wherein in a first-type operating mode, a first digital signal is input into a digital-to-analog converter to obtain a first analog signal that is input into a first-type unit, in which a first-type modulated signal is generated in dependence on at least the first analog signal; and wherein in a second-type operating mode, a second digital signal is input into the digital-to-analog converter to obtain a second analog signal that is input into a second-type unit, in which a second-type modulated signal is generated in dependence on at least the second analog signal. Correspondingly, a wireless communication device is shown, as well as a base station, a module in a wireless communication device, a module in a base station, an integrated circuit, a method, a computer program and a computer program product.

    Abstract translation: 示出了用于产生调制信号的发射机,其中在第一类型操作模式中,第一数字信号被输入到数模转换器以获得被输入到第一类型单元中的第一模拟信号,其中 根据至少第一模拟信号产生第一类型调制信号; 并且其中在第二类型操作模式中,第二数字信号被输入到数模转换器中以获得输入到第二类型单元的第二模拟信号,其中产生第二类型调制信号 至少依赖于第二模拟信号。 相应地,示出了无线通信设备,以及基站,无线通信设备中的模块,基站中的模块,集成电路,方法,计算机程序和计算机程序产品。

    Base transceiver station
    294.
    发明申请
    Base transceiver station 失效
    基站收发台

    公开(公告)号:US20060221908A1

    公开(公告)日:2006-10-05

    申请号:US11391176

    申请日:2006-03-29

    Applicant: Koya Hoshina

    Inventor: Koya Hoshina

    CPC classification number: H04W88/08 H04B1/707 H04B2201/70705 H04B2201/7071

    Abstract: On the basis of a spreading factor obtained by despreading a control channel of received data by a control channel despreading unit, a spreading factor determination unit determines a transmission rate of the received data. User data subjected to despreading processing at a user data despreading unit is demodulated by a demodulator and temporarily stored in a demodulated data memory. The user data read from the demodulated data memory is decoded by a decoder, whereas the result of decoding by the decoder is supplied to a delay measurement unit, where a delay time relative to the above processing, of the user data is detected. A channel resource management unit manages the number of available resources at all times or in a constant cycle on the basis of transmission rates of respective radio channels detected by the spreading factor determination unit and delay processing times of the respective radio channels detected by the delay measurement unit.

    Abstract translation: 扩展因子确定单元基于通过控制信道解扩单元解扩接收数据的控制信道而获得的扩频因子,确定接收数据的传输速率。 用户数据解扩单元进行解扩处理的用户数据由解调器解调,并临时存储在解调数据存储器中。 从解调数据存储器读取的用户数据由解码器解码,而由解码器解码的结果被提供给延迟测量单元,其中检测到用户数据相对于上述处理的延迟时间。 信道资源管理单元根据由扩展因子确定单元检测到的各个无线电信道的传输速率和由延迟测量检测到的各个无线电信道的延迟处理时间,在所有时间或恒定周期内管理可用资源的数量 单元。

    Radio base station
    295.
    发明申请
    Radio base station 有权
    无线电基站

    公开(公告)号:US20060193253A1

    公开(公告)日:2006-08-31

    申请号:US11176559

    申请日:2005-07-08

    Applicant: Seiji Hamada

    Inventor: Seiji Hamada

    CPC classification number: H04B1/7113 H04B2201/7071 H04L1/0026 H04L1/16

    Abstract: To improve accuracy for verifying reception in the data transmission utilizing the common channel. A radio communication apparatus for transmitting the data to the transmitting destination apparatus selected from a plurality of transmitting destination apparatuses using the shared channel, comprises a control unit for controlling data transmission and a path search unit for identifying the transmitting destination apparatus as the object of the path search in accordance with control of data transmission.

    Abstract translation: 提高使用公共通道的数据传输中验证接收的准确性。 一种无线电通信装置,用于使用共享信道将数据发送到从多个发送目的地装置中选择的发送目的地装置,包括用于控制数据发送的控制单元和用于将发送目的地装置识别为所述发送目的地装置的路径搜索单元 路径搜索按照数据传输的控制。

    Correlation architecture for use in software-defined radio systems

    公开(公告)号:US20060184599A1

    公开(公告)日:2006-08-17

    申请号:US11150511

    申请日:2005-06-10

    Abstract: A re-configurable correlation unit for correlating a sequence of chip samples comprising: 1) a memory for storing the chip samples; 2) a plurality of add-subtract cells, each add-subtract cell receiving a plurality of real bits, a, and a plurality of imaginary bits, b, from a first chip sample; and 3) a plurality of sign select units. Each sign select units receives from one add-subtract cells a first input equal to a sum (a+b) of the real bits, a, and the imaginary bits, b, and a second input equal to a difference (a−b) of the real bits, a, and the imaginary bits, b. Each sign select unit generates a real output and an imaginary output, wherein each of the real and imaginary outputs is equal to one of: 1) the sum (a+b) multiplied by one of +1 and −1 and 2) the difference (a−b) multiplied by one of +1 and −1.

    GPS receiver having dynamic correlator allocation between a memory-enhanced channel for acquisition and standard channels for tracking
    298.
    发明授权
    GPS receiver having dynamic correlator allocation between a memory-enhanced channel for acquisition and standard channels for tracking 有权
    GPS接收机在用于采集的存储器增强信道和用于跟踪的标准信道之间具有动态相关器分配

    公开(公告)号:US07061972B1

    公开(公告)日:2006-06-13

    申请号:US10116436

    申请日:2002-04-04

    Inventor: Gregory C. Best

    Abstract: A GPS receiver having channel clusters each having a memory-enhanced channel and several standard tracking channels. The memory-enhanced channel includes a signal memory for accumulating carrier frequency leveled signal samples over several epochs into supersamples for an epoch. During an acquisition mode the memory-enhanced channel borrows code correlators from the tracking channels and the carrier clock to the tracking channels is disabled. The supersamples are accumulated in the signal memory in realtime and then played back by the code correlators at a faster rate while the signal memory is accumulating a new set of supersamples. During a tracking mode, the signal memory is bypassed, the borrowed code correlators are returned and the carrier clock is enabled to the tracking channels.

    Abstract translation: 具有信道簇的GPS接收机各自具有存储器增强信道和若干标准跟踪信道。 存储器增强通道包括一个信号存储器,用于将几个时期的载波频率信号采样累加成一个时代的超采样。 在采集模式期间,存储器增强通道借用来自跟踪通道的代码相关器,禁用载波时钟到跟踪通道。 超采样实时地累积在信号存储器中,然后由代码相关器以更快的速率重放,同时信号存储器正在积累新的一组超采样。 在跟踪模式期间,旁路信号存储器,返回借用的代码相关器,并将载波时钟启用到跟踪通道。

    Method of and system for path selection in rich multipath conditions
    299.
    发明申请
    Method of and system for path selection in rich multipath conditions 有权
    丰富多径条件下路径选择的方法和系统

    公开(公告)号:US20060120438A1

    公开(公告)日:2006-06-08

    申请号:US11007685

    申请日:2004-12-08

    Applicant: Andres Reial

    Inventor: Andres Reial

    CPC classification number: H04B1/7115 H04B1/7117 H04B2201/7071

    Abstract: A signal-path-selection method in a RAKE receiver includes producing C channel estimates from M received signal paths, determining a plurality of best signal paths using the C produced channel estimates, choosing A signal paths of the plurality of best signal paths in accordance with at least one pre-determined criterion, and combining the A signal paths. C is a measure of channel-estimation capacity of the RAKE receiver. M is greater than C. This Abstract is provided to comply with rules requiring an Abstract that allows a searcher or other reader to quickly ascertain subject matter of the technical disclosure. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

    Abstract translation: RAKE接收机中的信号路径选择方法包括从M个接收信号路径产生C信道估计,使用C个产生的信道估计来确定多个最佳信号路径,根据该信道估计选择多个最佳信号路径的A个信号路径 至少一个预定标准,并组合A信号路径。 C是RAKE接收机的信道估计容量的度量。 M大于C.本摘要被提供以符合要求摘要的规则,允许搜索者或其他读者快速确定技术公开的主题。 提交本摘要的理解是,它不会用于解释或限制权利要求的范围或含义。

    Hardware structure for a transmission/reception device for mobile radio applications, and method for processing data in such a transmission/reception device
    300.
    发明授权
    Hardware structure for a transmission/reception device for mobile radio applications, and method for processing data in such a transmission/reception device 有权
    用于移动无线电应用的发送/接收装置的硬件结构,以及用于处理这种发送/接收装置中的数据的方法

    公开(公告)号:US07050826B2

    公开(公告)日:2006-05-23

    申请号:US10832675

    申请日:2004-04-27

    Abstract: A transmission/reception device for mobile radio applications has a microprocessor (DSP), at least one task-specific processor (P1, P2, P3) and a processor interface (2). The task-specific processor (P1, P2, P3) can be configured, by transmitting suitable configuration instructions from the microprocessor via the processor interface (2), such that a basic function performed by the task-specific processor (P1, P2, P3) can be controlled by changing configuration parameters.

    Abstract translation: 用于移动无线电应用的发送/接收装置具有微处理器(DSP),至少一个任务专用处理器(P 1,P 2,P 3)和处理器接口(2)。 可以通过经由处理器接口(2)从微处理器发送合适的配置指令来配置任务特定处理器(P 1,P 2,P 3),使得由任务专用处理器(P 1 ,P 2,P 3)可以通过改变配置参数来控制。

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