LDPC decoding apparatus and method based on node memory
    103.
    发明申请
    LDPC decoding apparatus and method based on node memory 有权
    基于节点存储器的LDPC解码装置和方法

    公开(公告)号:US20070220398A1

    公开(公告)日:2007-09-20

    申请号:US11702015

    申请日:2007-02-02

    IPC分类号: H03M13/00

    摘要: An apparatus is provided for decoding a Low-Density Parity Check (LDPC) code in a communication system. In the LDPC decoding apparatus, an edge memory stores a message delivered through an edge between a variable node and a check node. A node memory stores a node value. A node processor performs a node processing operation using information stored in at least one of the node memory and the edge memory, stores a check node value generated by performing the node processing operation in the node memory, and stores a message generated by performing the node processing operation in the edge memory. A switch switches outputs of the node memory and the node processor through a permutation operation. A parity check verifier parity-checks an output from the node memory. A controller provides a control signal for controlling the node processor.

    摘要翻译: 提供了一种用于对通信系统中的低密度奇偶校验(LDPC)码进行解码的装置。 在LDPC解码装置中,边缘存储器存储通过可变节点和校验节点之间的边缘递送的消息。 节点存储器存储节点值。 节点处理器使用存储在节点存储器和边缘存储器中的至少一个中的信息执行节点处理操作,将通过在节点存储器中执行节点处理操作生成的校验节点值存储,并存储通过执行节点生成的消息 边缘存储器中的处理操作。 A交换机通过置换操作来切换节点存储器和节点处理器的输出。 奇偶校验验证器奇偶校验 - 检查节点存储器的输出。 控制器提供用于控制节点处理器的控制信号。

    Apparatus and method for receiving a signal in a communication system
    104.
    发明申请
    Apparatus and method for receiving a signal in a communication system 有权
    用于在通信系统中接收信号的装置和方法

    公开(公告)号:US20070183544A1

    公开(公告)日:2007-08-09

    申请号:US11650897

    申请日:2007-01-08

    IPC分类号: H03D1/04

    CPC分类号: H04B1/123 H04B7/0857

    摘要: In a communication system, information regarding a first modulation scheme applied to a frequency domain in a serving base station is received from the serving base station. A signal of the frequency domain is received. A second modulation scheme is set by estimating a modulation scheme applied to the frequency domain in at least one neighbor base station from the received signal. Channel state information is generated by estimating the received signal. An operation for selecting whether to use interference cancellation is performed using the channel state information, the first modulation scheme information and the second modulation scheme.

    摘要翻译: 在通信系统中,从服务基站接收关于服务基站中应用于频域的第一调制方式的信息。 接收频域的信号。 通过从接收到的信号估计在至少一个相邻基站中应用于频域的调制方案来设置第二调制方案。 通过估计接收信号来生成信道状态信息。 使用信道状态信息,第一调制方式信息和第二调制方式来执行用于选择是否使用干扰消除的操作。

    Apparatus and method for uplink scheduling in a communication system
    105.
    发明申请
    Apparatus and method for uplink scheduling in a communication system 有权
    通信系统中的上行链路调度的装置和方法

    公开(公告)号:US20070115880A1

    公开(公告)日:2007-05-24

    申请号:US11603731

    申请日:2006-11-22

    IPC分类号: H04Q7/00

    CPC分类号: H04W72/10

    摘要: An uplink scheduling apparatus and method in a communication system are provided. In the uplink scheduling method, a scheduling metric is calculated for each Mobile Station (MS). An MS with a high priority level is selected according to the calculated scheduling metric. The number of subchannels and a product of a modulation order and coding rate (MPR) are extracted according to input variables for the selected MS. The number of subchannels to be allocated to the selected MS is determined according to the MPR and the subchannels are allocated to the selected MS. The scheduling metric is updated for the each MS.

    摘要翻译: 提供了一种通信系统中的上行链路调度装置和方法。 在上行链路调度方法中,针对每个移动台(MS)计算调度度量。 根据计算的调度度量选择具有高优先级的MS。 根据选择的MS的输入变量提取子信道的数量和调制阶数和编码率(MPR)的乘积。 根据MPR确定要分配给所选择的MS的子信道的数量,并将子信道分配给所选择的MS。 为每个MS更新调度度量。

    Apparatus and method for improving reception performance in a smart antenna system
    106.
    发明申请
    Apparatus and method for improving reception performance in a smart antenna system 有权
    用于改善智能天线系统中的接收性能的装置和方法

    公开(公告)号:US20070099665A1

    公开(公告)日:2007-05-03

    申请号:US11545240

    申请日:2006-10-10

    IPC分类号: H04B1/38

    CPC分类号: H04B1/1027

    摘要: An apparatus and method for improving the reception performance of a Mobile Station (MS) in a multiple antenna system are provided. In an apparatus of a Base Station (BS) in the multiple antenna system, upon receipt of a request for interference cancellation for a first MS serviced by a neighbor BS, a channel estimator estimates a channel from the first MS and a channel from a second MS serviced by the BS. A beam coefficient generator generates a first beam coefficient based on channel estimates of the first and second MSs and a second beam coefficient based on the channel estimate of the second MS. An interference cancellation decider determines whether to perform interference cancellation for the first MS using the first and second beam coefficients.

    摘要翻译: 提供了一种用于提高多天线系统中的移动站(MS)的接收性能的装置和方法。 在多天线系统中的基站(BS)的装置中,当接收到由相邻BS服务的第一MS的干扰消除请求时,信道估计器估计来自第一MS的信道和来自第二MS的信道 MS由BS服务。 波束系数发生器基于第一和第二MS的信道估计生成第一波束系数,并且基于第二MS的信道估计产生第二波束系数。 干扰消除决定器使用第一和第二波束系数来确定是否对第一MS进行干扰消除。

    Apparatus and method for synchronizing optic repeater in communication system using time division OFDM scheme
    108.
    发明申请
    Apparatus and method for synchronizing optic repeater in communication system using time division OFDM scheme 审中-公开
    在使用时分OFDM方案的通信系统中同步光中继器的装置和方法

    公开(公告)号:US20060013594A1

    公开(公告)日:2006-01-19

    申请号:US11183542

    申请日:2005-07-12

    IPC分类号: H04B10/00

    CPC分类号: H04B10/25

    摘要: Disclosed is a method for synchronizing of a first signal and a second signal in a communication system including a mobile station, an base station and an optic repeater, the base station and the optic repeater being connected via an optical cable. The first signal is transmitted between the base station and the mobile station, and the second signal is transmitted between the base station and the optic repeater The method includes transmitting the first signal after delaying the first signal by a predetermined fixed delay time when it is necessary to transmit the first signal; and synchronizing the second signal with the first signal by delaying the second signal by an adaptive delay time determined according to a predetermined scheme.

    摘要翻译: 公开了一种用于在包括移动台,基站和光中继器的通信系统中同步第一信号和第二信号的方法,所述基站和光中继器经由光缆连接。 第一信号在基站和移动台之间传输,第二信号在基站和光中继器之间传输。该方法包括:在必要时将第一信号延迟预定的固定延迟时间后,发送第一信号 发送第一信号; 以及通过将所述第二信号延迟由根据预定方案确定的自适应延迟时间来使所述第二信号与所述第一信号同步。

    Apparatus and method for gating transmission of a data rate control channel in an HDR mobile communication system
    110.
    发明申请
    Apparatus and method for gating transmission of a data rate control channel in an HDR mobile communication system 有权
    用于在HDR移动通信系统中选通数据速率控制信道的装置和方法

    公开(公告)号:US20050169295A1

    公开(公告)日:2005-08-04

    申请号:US11054463

    申请日:2005-02-09

    IPC分类号: H04Q7/38 H04B7/26 H04J3/16

    CPC分类号: H04B7/2659

    摘要: A communication method in a mobile communication system in which an access terminal transmits to an access network DRC information indicating a selected one of forward data rates requested by the access terminal is provided. The access network designates a DRC information length DRCLength indicating a number of slots where the DRC information is repeated and transmits the designated DRC information length to the access terminal. The access terminal gates transmission of DRC information to the access terminal at one time slot in every DRC information length received from the access network.

    摘要翻译: 提供了一种移动通信系统中的通信方法,其中接入终端向接入网络发送DRC提供指示由接入终端请求的所选择的一个前向数据速率的信息。 接入网络指定指示重复DRC信息的时隙数量的DRC信息长度DRCLength,并向接入终端发送指定的DRC信息长度。 接入终端在从接入网接收到的每个DRC信息长度的一个时隙中,向接入终端发送DRC信息。