APPARATUS AND METHOD FOR ALLOCATING RESOURCES IN MOBILE COMMUNICATION SYSTEM
    1.
    发明申请
    APPARATUS AND METHOD FOR ALLOCATING RESOURCES IN MOBILE COMMUNICATION SYSTEM 有权
    在移动通信系统中分配资源的装置和方法

    公开(公告)号:US20080031216A1

    公开(公告)日:2008-02-07

    申请号:US11833036

    申请日:2007-08-02

    IPC分类号: H04J1/00

    摘要: Provided are an apparatus and method for allocating resources in a mobile communication system. The apparatus includes a modulating/coding unit for modulating transmission data of one or more users according to a predetermined modulation scheme and for outputting a complex signal; a 2-Dimensional (2D)/1-Dimensional (1D) converter for converting the complex signal into a 1D signal; and a re-modulator for reconstructing the 1D signal to a 2D signal and for allocating two components of the 2D signal to two different frequency bands.

    摘要翻译: 提供了一种用于在移动通信系统中分配资源的装置和方法。 该装置包括:调制/编码单元,用于根据预定的调制方案调制一个或多个用户的发送数据,并输出复数信号; 用于将复数信号转换为1D信号的二维(2D)/一维(1D)转换器; 以及用于将1D信号重建为2D信号并将2D信号的两个分量分配给两个不同频带的再调制器。

    Apparatus and method for allocating resources in mobile communication system
    2.
    发明授权
    Apparatus and method for allocating resources in mobile communication system 有权
    移动通信系统资源分配的装置和方法

    公开(公告)号:US07916622B2

    公开(公告)日:2011-03-29

    申请号:US11833036

    申请日:2007-08-02

    IPC分类号: H04J11/00

    摘要: Provided are an apparatus and method for allocating resources in a mobile communication system. The apparatus includes a modulating/coding unit for modulating transmission data of one or more users according to a predetermined modulation scheme and for outputting a complex signal; a 2-Dimensional (2D)/1-Dimensional (1D) converter for converting the complex signal into a 1D signal; and a re-modulator for reconstructing the 1D signal to a 2D signal and for allocating two components of the 2D signal to two different frequency bands.

    摘要翻译: 提供了一种用于在移动通信系统中分配资源的装置和方法。 该装置包括:调制/编码单元,用于根据预定的调制方案调制一个或多个用户的发送数据,并输出复数信号; 用于将复数信号转换为1D信号的二维(2D)/一维(1D)转换器; 以及用于将1D信号重建为2D信号并将2D信号的两个分量分配给两个不同频带的再调制器。

    Apparatus and method for determining pilot pattern in a broadband wireless access communication system
    3.
    发明授权
    Apparatus and method for determining pilot pattern in a broadband wireless access communication system 有权
    用于在宽带无线接入通信系统中确定导频模式的装置和方法

    公开(公告)号:US07792201B2

    公开(公告)日:2010-09-07

    申请号:US11647949

    申请日:2006-12-29

    IPC分类号: H04K1/10

    摘要: An apparatus and method for determining a pilot pattern in a Broadband Wireless Access (BWA) communication system are provided. In the pilot pattern determining method, an Orthogonal Frequency Division Multiplexing (OFDM) demodulator generates frequency-domain data by fast-Fourier-transform (FFT)-processing a received signal. A pilot pattern decider calculates a coherence bandwidth and a coherence time using subcarrier values received from the OFDM demodulator, and selects one of a plurality of pilot patterns according to the ratio of the coherence bandwidth to the coherence time.

    摘要翻译: 提供了一种用于在宽带无线接入(BWA)通信系统中确定导频模式的装置和方法。 在导频模式确定方法中,正交频分复用(OFDM)解调器通过对接收信号进行快速傅立叶变换(FFT)处理来生成频域数据。 导频模式决定器使用从OFDM解调器接收到的子载波值来计算相干带宽和相干时间,并且根据相干带宽与相干时间的比率选择多个导频模式中的一个。

    Apparatus and method for determining pilot pattern in a broadband wireless access communication system
    4.
    发明申请
    Apparatus and method for determining pilot pattern in a broadband wireless access communication system 有权
    用于在宽带无线接入通信系统中确定导频模式的装置和方法

    公开(公告)号:US20070153931A1

    公开(公告)日:2007-07-05

    申请号:US11647949

    申请日:2006-12-29

    IPC分类号: H04K1/10

    摘要: An apparatus and method for determining a pilot pattern in a Broadband Wireless Access (BWA) communication system are provided. In the pilot pattern determining method, an Orthogonal Frequency Division Multiplexing (OFDM) demodulator generates frequency-domain data by fast-Fourier-transform (FFT)-processing a received signal. A pilot pattern decider calculates a coherence bandwidth and a coherence time using subcarrier values received from the OFDM demodulator, and selects one of a plurality of pilot patterns according to the ratio of the coherence bandwidth to the coherence time.

    摘要翻译: 提供了一种用于在宽带无线接入(BWA)通信系统中确定导频模式的装置和方法。 在导频模式确定方法中,正交频分复用(OFDM)解调器通过对接收信号进行快速傅立叶变换(FFT)处理来生成频域数据。 导频模式决定器使用从OFDM解调器接收到的子载波值来计算相干带宽和相干时间,并且根据相干带宽与相干时间的比率选择多个导频模式中的一个。

    Symbol timing synchronization method for OFDM based communication system
    5.
    发明申请
    Symbol timing synchronization method for OFDM based communication system 审中-公开
    基于OFDM的通信系统的符号定时同步方法

    公开(公告)号:US20050180516A1

    公开(公告)日:2005-08-18

    申请号:US11047422

    申请日:2005-01-31

    IPC分类号: H04J11/00 H04K1/10 H04L27/26

    摘要: A synchronization method in an OFDM based communication system. A transmitting side generates and transmits an OFDM symbol having a constant cyclic prefix, independent of time domain data symbols that are to be transmitted. A receiving side estimates a timing synchronization error based on the known cyclic prefix. Because the timing synchronization error is estimated based on the constant cyclic prefix, which is always known, a highly reliable correlation is achieved, thereby improving the accuracy of synchronization.

    摘要翻译: 基于OFDM的通信系统中的同步方法。 发送侧生成并发送具有恒定循环前缀的OFDM符号,与待发送的时域数据符号无关。 接收侧基于已知的循环前缀来估计定时同步误差。 由于定时同步误差是基于始终是已知的恒定循环前缀来估计的,所以实现了高度可靠的相关性,从而提高了同步的准确性。

    Variable resistance memory device
    9.
    发明授权
    Variable resistance memory device 有权
    可变电阻存储器件

    公开(公告)号:US07580278B2

    公开(公告)日:2009-08-25

    申请号:US11868992

    申请日:2007-10-09

    IPC分类号: G11C11/00

    摘要: A variable resistance memory device includes a memory cell array having a plurality of memory cells, a write driver which supplies a step-down set current to the memory cells, where the step-down set current includes a plurality of successive steps of decreasing current magnitude, and a set program control circuit which controls a duration of the step-down set current supplied by the write driver. The set program control circuit controls the duration of the step-down set current in accordance with at least one of data contained in an mode register set (MRS) and a conductive state of a fuse element.

    摘要翻译: 可变电阻存储器件包括具有多个存储器单元的存储单元阵列,一个写入驱动器,其将降压设定电流提供给存储器单元,其中降压设定电流包括多个连续的步骤,其降低电流幅度 以及控制由写入驱动器提供的降压设定电流的持续时间的设定程序控制电路。 设定程序控制电路根据包含在模式寄存器组(MRS)和熔丝元件的导通状态中的至少一个数据来控制降压设定电流的持续时间。

    Phase change memory device and memory cell array thereof
    10.
    发明授权
    Phase change memory device and memory cell array thereof 有权
    相变存储器件及其存储单元阵列

    公开(公告)号:US07453722B2

    公开(公告)日:2008-11-18

    申请号:US11319364

    申请日:2005-12-29

    IPC分类号: G11C11/00

    摘要: A phase change memory device is provided which includes a memory cell array including a plurality of memory cells, and a write driver for supplying a program current to the memory cell array through a global bitline. The memory cell array includes first and second cell regions, a first local bitline connected to the first cell region, a second local bitline connected to the second cell region, and a select region disposed between the first and second cell regions and supplying the program current supplied through the global bitline to the first and second local bitlines in response to a local select signal.

    摘要翻译: 提供了一种相变存储器件,其包括包括多个存储器单元的存储单元阵列,以及用于通过全局位线将编程电流提供给存储单元阵列的写入驱动器。 存储单元阵列包括第一和第二单元区域,连接到第一单元区域的第一本地位线,连接到第二单元区域的第二本地位线,以及设置在第一单元区域和第二单元区域之间并提供程序电流的选择区域 通过全局位线提供响应于本地选择信号的第一和第二本地位线。