Cell search method in wireless communication system
    1.
    发明授权
    Cell search method in wireless communication system 失效
    无线通信系统中的小区搜索方法

    公开(公告)号:US08718641B2

    公开(公告)日:2014-05-06

    申请号:US13273780

    申请日:2011-10-14

    IPC分类号: H04W4/00 H04B7/00

    CPC分类号: H04W48/16 H04J11/0076

    摘要: Provided is a cell search method in a wireless communication system. According to the cell search method, when detecting SSS in order to search a cell group ID in 3GPP LTE communication, it is possible to reduce the computational complexity for SSS detection by selecting the sequence group of which cross-correlation between initially grouped SSS sequences is a predetermined value or more, computing cross-correlation with the sequences in the selected sequence group, and extracting a cell group ID through detection of the SSS sequence having the highest cross-correlation.

    摘要翻译: 提供了一种无线通信系统中的小区搜索方法。 根据小区搜索方法,当检测到SSS以便在3GPP LTE通信中搜索小区组ID时,可以通过选择初始分组的SSS序列之间的互相关的序列组来降低SSS检测的计算复杂度 计算与所选序列组中的序列的互相关,以及通过检测具有最高互相关的SSS序列来提取小区组ID。

    Method and apparatus for data transmission between processors using memory remapping
    2.
    发明授权
    Method and apparatus for data transmission between processors using memory remapping 有权
    使用存储器重映射的处理器之间的数据传输的方法和装置

    公开(公告)号:US08464006B2

    公开(公告)日:2013-06-11

    申请号:US12027364

    申请日:2008-02-07

    IPC分类号: G06F13/00 G06F13/28

    CPC分类号: G06F12/1072

    摘要: Provided are a method and apparatus for efficiently transferring a massive amount of multimedia data between two processors. The apparatus includes a first local switch, which connects a virtual page of a first processor element to a shared memory page, a second local switch, which connects a virtual page of a second processor element to the shared memory page, a shared page switch, which connects a predetermined shared memory page of a shared physical memory to the first or second local switch, and a switch manager, which remaps a certain shared memory page of the shared physical memory that stores data of a task performed by the first processor element to the virtual page of the second processor element. Accordingly, since memory remapping is used, the massive amount of multimedia data can be transmitted by changing a method of mapping a memory, unlike a case when multimedia data is transmitted by using a memory bus.

    摘要翻译: 提供了一种用于在两个处理器之间有效地传送大量多媒体数据的方法和装置。 该设备包括将第一处理器元件的虚拟页面连接到共享存储器页面的第一本地开关,将第二处理器元件的虚拟页面连接到共享存储器页面的第二本地开关,共享页面开关, 其将共享物理存储器的预定共享存储器页面连接到第一或第二本地交换机,以及交换机管理器,其将存储由第一处理器元件执行的任务的数据的共享物理存储器的某个共享存储器页重新映射到 第二处理器元件的虚拟页面。 因此,由于使用存储器重映射,与通过使用存储器总线发送多媒体数据的情况不同,可以通过改变映射存储器的方法来发送大量的多媒体数据。

    FAST FOURIER TRANSFORMER
    3.
    发明申请
    FAST FOURIER TRANSFORMER 审中-公开
    快速FOURIER变压器

    公开(公告)号:US20120166508A1

    公开(公告)日:2012-06-28

    申请号:US13305450

    申请日:2011-11-28

    IPC分类号: G06F17/14

    CPC分类号: G06F17/142

    摘要: A fast Fourier transformer (FFT) includes a radix-2 butterfly unit configured to perform a butterfly operation on input data; a buffer unit configured to buffer data outputted from the radix-2 butterfly unit and output the buffered data to the radix-2 butterfly unit; a multiplexing unit configured to selectively output a twiddle factor; and a constant multiplier configured to multiply the data outputted from the radix-2 butterfly unit by the twiddle factor outputted from the multiplexing unit.

    摘要翻译: 快速傅里叶变换器(FFT)包括被配置为对输入数据执行蝶形运算的基2蝶形单元; 缓冲单元,被配置为缓冲从基数2蝶形单元输出的数据,并将缓存的数据输出到基数2蝶形单元; 复用单元,被配置为选择性地输出旋转因子; 以及常数乘法器,被配置为将从基数-2蝶形单元输出的数据乘以从多路复用单元输出的旋转因数。

    Wireless modem, modulator, and demodulator
    4.
    发明申请
    Wireless modem, modulator, and demodulator 审中-公开
    无线调制解调器,调制器和解调器

    公开(公告)号:US20070237246A1

    公开(公告)日:2007-10-11

    申请号:US11496897

    申请日:2006-08-01

    IPC分类号: H04K1/10

    摘要: A wireless modem is mounted to a terminal for wireless communication, and specifically controls an internal drive clock to reduce power consumption in an active mode. The wireless modem includes: a wireless core module for transmitting and receiving a radio signal; a modulator for converting data to be transmitted into a wireless transmission signal and transmitting the converted signal to the wireless core module; a demodulator for converting the signal received from the wireless core module into reception data; a synchronizer for synchronizing the signal received from the wireless core module; and a clock controller for generating a drive clock of each of the modulator, the demodulator, and the synchronizer. A low power clock controller is divided into six main functional blocks of a synchronizer, an analog controller, a modulator, a channel decoder, a demodulator, and a channel encoder, and has a feature that a clock is input only when a main functional block operates. As a result, it is possible to minimize power consumption caused by clock switching when an Orthogonal Frequency Division Multiplexing Access (OFDMA) mobile station modem operates in an active mode through the clock controller.

    摘要翻译: 无线调制解调器被安装到用于无线通信的终端,并且具体地控制内部驱动时钟以降低活动模式中的功耗。 无线调制解调器包括:用于发送和接收无线电信号的无线核心模块; 用于将要发送的数据转换成无线发送信号并将转换的信号发送到无线核心模块的调制器; 解调器,用于将从无线核心模块接收的信号转换为接收数据; 用于使从所述无线核心模块接收的信号同步的同步器; 以及时钟控制器,用于产生调制器,解调器和同步器中的每一个的驱动时钟。 低功率时钟控制器被分为同步器,模拟控制器,调制器,信道解码器,解调器和信道编码器的六个主要功能块,并且具有仅当主功能块 操作。 结果,当正交频分复用接入(OFDMA)移动台调制解调器通过时钟控制器以活动模式操作时,可以最小化由时钟切换引起的功率消耗。

    METHOD FOR DETECTING S-SCH IN CELL SEARCHING AND RECEIVER USING THE SAME
    6.
    发明申请
    METHOD FOR DETECTING S-SCH IN CELL SEARCHING AND RECEIVER USING THE SAME 审中-公开
    用于检测细胞搜索中的S-SCH的方法和使用它的接收器

    公开(公告)号:US20120275550A1

    公开(公告)日:2012-11-01

    申请号:US13457393

    申请日:2012-04-26

    IPC分类号: H04B1/06

    CPC分类号: H04J11/0076

    摘要: Disclosed is a method for detecting S-SCH in cell searching including: detecting an m0 value corresponding to an even index in a secondary synchronization channel (S-SCH) signal having an even index; determining an m1 group defined by the m0 value; detecting an m1 value using correlation detection relation within the m1 group; and detecting a group ID using the m0 value and the m1 value.

    摘要翻译: 公开了一种用于检测小区搜索中的S-SCH的方法,包括:在具有偶数索引的辅同步信道(S-SCH)信号中检测对应于偶数索引的m0值; 确定由m0值定义的m1组; 使用m1组内的相关检测关系来检测m1值; 并使用m0值和m1值检测组ID。

    APPARATUS FOR ALLOCATING PHYSICAL RESOURCES
    7.
    发明申请
    APPARATUS FOR ALLOCATING PHYSICAL RESOURCES 审中-公开
    用于分配物理资源的装置

    公开(公告)号:US20120163310A1

    公开(公告)日:2012-06-28

    申请号:US13310599

    申请日:2011-12-02

    IPC分类号: H04W72/04

    摘要: A apparatus for allocating physical resources at high speed includes: a storage unit storing correspondence relationships between virtual resource blocks and physical resource blocks according to external variables and internal variables; an internal variable calculation unit receiving the external variables for allocating physical resource blocks and calculating internal variables determined by the received external variables; and a searching unit referring to the storage unit by using the received external variables and allocating physical resources corresponding to the virtual resource blocks.

    摘要翻译: 一种用于高速分配物理资源的装置包括:存储单元,根据外部变量和内部变量存储虚拟资源块和物理资源块之间的对应关系; 内部变量计算单元,接收用于分配物理资源块的外部变量并计算由所接收的外部变量确定的内部变量; 以及搜索单元,通过使用所接收的外部变量并分配与虚拟资源块相对应的物理资源来参考存储单元。

    Apparatus and method for selectively performing Fast Hadamard Transform or Fast Fourier Transform
    8.
    发明授权
    Apparatus and method for selectively performing Fast Hadamard Transform or Fast Fourier Transform 失效
    用于选择性地执行快速Hadamard变换或快速傅立叶变换的装置和方法

    公开(公告)号:US07428563B2

    公开(公告)日:2008-09-23

    申请号:US10969504

    申请日:2004-10-19

    IPC分类号: G06F17/14

    CPC分类号: G06F17/142 G06F17/145

    摘要: Disclosed is an apparatus for performing both FHT (Fast Hadamard Transform) and FFT (Fast Fourier Transform). This apparatus determines the phase coefficients as constantly “1” when performing the FHT, and changes the input order of input data to a reverse order of bits when performing the FFT. In addition, the apparatus, which can process a plurality of input data sets simultaneously, classifies the received signals into multi-path signals and multi-antenna signals, thus processing the multi-path signals separately from the multi-antenna signals, or directly processes multi-antenna signals.

    摘要翻译: 公开了一种用于执行FHT(Fast Hadamard Transform)和FFT(快速傅立叶变换)的装置。 该装置在执行FHT时确定相位系数恒定为“1”,并且在执行FFT时将输入数据的输入顺序改变为相反的位数。 另外,可以同时处理多个输入数据集的装置将接收到的信号分类成多径信号和多天线信号,从而与多天线信号分开处理多路信号,或直接处理 多天线信号。

    CELL SEARCH METHOD IN WIRELESS COMMUNICATION SYSTEM
    10.
    发明申请
    CELL SEARCH METHOD IN WIRELESS COMMUNICATION SYSTEM 失效
    无线通信系统中的小区搜索方法

    公开(公告)号:US20120100880A1

    公开(公告)日:2012-04-26

    申请号:US13273780

    申请日:2011-10-14

    IPC分类号: H04W72/02

    CPC分类号: H04W48/16 H04J11/0076

    摘要: Provided is a cell search method in a wireless communication system. According to the cell search method, when detecting SSS in order to search a cell group ID in 3GPP LTE communication, it is possible to reduce the computational complexity for SSS detection by selecting the sequence group of which cross-correlation between initially grouped SSS sequences is a predetermined value or more, computing cross-correlation with the sequences in the selected sequence group, and extracting a cell group ID through detection of the SSS sequence having the highest cross-correlation.

    摘要翻译: 提供了一种无线通信系统中的小区搜索方法。 根据小区搜索方法,当检测到SSS以便在3GPP LTE通信中搜索小区组ID时,可以通过选择初始分组的SSS序列之间的互相关的序列组来降低SSS检测的计算复杂度 计算与所选序列组中的序列的互相关,以及通过检测具有最高互相关的SSS序列来提取小区组ID。