Channel estimation apparatus and method for adaptive channel allocation in an orthogonal frequency division multiple access system
    91.
    发明授权
    Channel estimation apparatus and method for adaptive channel allocation in an orthogonal frequency division multiple access system 有权
    用于正交频分多址系统中自适应信道分配的信道估计装置和方法

    公开(公告)号:US07355960B2

    公开(公告)日:2008-04-08

    申请号:US10998318

    申请日:2004-11-26

    IPC分类号: H04J11/00

    摘要: A method and apparatus for defining at least one subcarrier as a subchannel, dividing a total frequency band into a plurality of subchannels, and allocating the subchannels to at least one mobile station in an OFDMA mobile communication system. The method includes receiving channel state information; comparing the received channel state information with a predetermined threshold, calculating an average occurrence length of a case in which the received channel state information is greater than the threshold, calculating a state hold prediction value, calculating an estimation value, sorting the calculated estimation values according to subchannels in order of their levels, and allocating subchannels according to the at least one mobile station in the sorted order.

    摘要翻译: 一种用于将至少一个子载波定义为子信道的方法和装置,将总频带划分成多个子信道,并在OFDMA移动通信系统中将子信道分配给至少一个移动台。 该方法包括:接收信道状态信息; 将接收到的信道状态信息与预定阈值进行比较,计算接收信道状态信息大于阈值的情况的平均出现长度,计算状态保持预测值,计算估计值,对所计算的估计值进行排序 按照其级别的顺序进行子信道,并且按照排序顺序根据至少一个移动台分配子信道。

    Channel estimation apparatus and method for adaptive channel allocation in an orthogonal frequency division multiple access system
    93.
    发明申请
    Channel estimation apparatus and method for adaptive channel allocation in an orthogonal frequency division multiple access system 有权
    用于正交频分多址系统中自适应信道分配的信道估计装置和方法

    公开(公告)号:US20050111492A1

    公开(公告)日:2005-05-26

    申请号:US10998318

    申请日:2004-11-26

    摘要: A method and apparatus for defining at least one subcarrier as a subchannel, dividing a total frequency band into a plurality of subchannels, and allocating the subchannels to at least one mobile station in an OFDMA mobile communication system. The method includes receiving channel state information; comparing the received channel state information with a predetermined threshold, calculating an average occurrence length of a case in which the received channel state information is greater than the threshold, calculating a state hold prediction value, calculating an estimation value, sorting the calculated estimation values according to subchannels in order of their levels, and allocating subchannels according to the at least one mobile station in the sorted order.

    摘要翻译: 一种用于将至少一个子载波定义为子信道的方法和装置,将总频带划分成多个子信道,并在OFDMA移动通信系统中将子信道分配给至少一个移动台。 该方法包括:接收信道状态信息; 将接收到的信道状态信息与预定阈值进行比较,计算接收信道状态信息大于阈值的情况的平均出现长度,计算状态保持预测值,计算估计值,对所计算的估计值进行排序 按照其级别的顺序进行子信道,并且按照排序顺序根据至少一个移动台分配子信道。

    Reverse link controlling method in a mobile communication system
    96.
    发明授权
    Reverse link controlling method in a mobile communication system 有权
    移动通信系统中的反向链路控制方法

    公开(公告)号:US07324484B2

    公开(公告)日:2008-01-29

    申请号:US10281493

    申请日:2002-10-28

    IPC分类号: H04B7/216

    摘要: A reverse link controlling method in a mobile communication system. To increase or decrease a reverse data rate, an MS receives threshold power information indicating a power threshold for a pilot channel from the BS and measures the reception power of the pilot channel received from the BS. When the MS is supposed to increase or decrease the current data rate, it increases the current data rate by two levels or decreases the current data rate by one level if the pilot reception power is higher than the power threshold, and increases the current data rate by one level or decreases the current data rate by two levels if the pilot reception power is equal to lower than the power threshold.

    摘要翻译: 一种移动通信系统中的反向链路控制方法。 为了增加或减少反向数据速率,MS从BS接收指示导频信道的功率阈值的阈值功率信息,并测量从BS接收的导频信道的接收功率。 当MS应该增加或减少当前数据速率时,如果导频接收功率高于功率阈值,则将当前数据速率提高两个级别或将当前数据速率降低一级,并且增加当前数据速率 如果导频接收功率等于低于功率阈值,则将当前数据速率降低两级。

    Reverse link controlling method in a mobile communication system
    97.
    发明申请
    Reverse link controlling method in a mobile communication system 审中-公开
    移动通信系统中的反向链路控制方法

    公开(公告)号:US20070286128A1

    公开(公告)日:2007-12-13

    申请号:US11804102

    申请日:2007-05-17

    IPC分类号: H04B7/216

    摘要: A reverse link controlling method in a mobile communication system. To increase or decrease a reverse data rate, an MS receives threshold power information indicating a power threshold for a pilot channel from the BS and measures the reception power of the pilot channel received from the BS. When the MS is supposed to increase or decrease the current data rate, it increases the current data rate by two levels or decreases the current data rate by one level if the pilot reception power is higher than the power threshold, and increases the current data rate by one level or decreases the current data rate by two levels if the pilot reception power is equal to lower than the power threshold.

    摘要翻译: 一种移动通信系统中的反向链路控制方法。 为了增加或减少反向数据速率,MS接收指示来自BS的导频信道的功率阈值的阈值功率信息,并测量从BS接收的导频信道的接收功率。 当MS应该增加或减少当前数据速率时,如果导频接收功率高于功率阈值,则将当前数据速率提高两个级别或将当前数据速率降低一级,并且增加当前数据速率 如果导频接收功率等于低于功率阈值,则将当前数据速率降低两级。

    Mode transition method for wireless data service in a mobile station
    98.
    发明授权
    Mode transition method for wireless data service in a mobile station 有权
    移动台无线数据业务模式转换方法

    公开(公告)号:US07269145B2

    公开(公告)日:2007-09-11

    申请号:US10326747

    申请日:2002-12-20

    IPC分类号: G08C17/00 H04B1/38

    摘要: A mobile station in a control hold mode wakes up at a time slot on a wake-up channel received from a base station, assigned thereto, and detects at least one predetermined indicator bit. If the detected indicator bit indicates that the base station has data to transmit, the mobile station starts monitoring a forward packet data control channel from the base station, in order to determine whether to make a transition to an active mode. Otherwise, if the detected indicator bit indicates that the base station has no data to transmit, the mobile station maintains the control hold mode, thus preventing unnecessary power consumption.

    摘要翻译: 处于控制保持模式的移动站在从分配给它的基站接收的唤醒信道上的时隙中唤醒,并且检测至少一个预定的指示符位。 如果检测到的指示符位指示基站具有要发送的数据,则移动台从基站开始监视前向分组数据控制信道,以便确定是否转换到活动模式。 否则,如果检测到的指示符比特指示基站没有要发送的数据,则移动台保持控制保持模式,从而防止不必要的功率消耗。

    Data retransmission apparatus and method in a mobile communication system employing HARQ technique
    99.
    发明授权
    Data retransmission apparatus and method in a mobile communication system employing HARQ technique 有权
    采用HARQ技术的移动通信系统中的数据重传装置及方法

    公开(公告)号:US07236740B2

    公开(公告)日:2007-06-26

    申请号:US09899606

    申请日:2001-07-05

    IPC分类号: H09B7/185

    摘要: A method and apparatus for retransmitting data in a mobile communication system wherein a receiver determines whether an initial data block received from a transmitter has an error. Upon detecting an error from the initial data block, the receiver estimates a current channel state and determines a retransmission frequency and a power level of the initial data block according to the estimated current channel state. Thereafter, the receiver transmits a retransmission request message of the initial data block together with the determined retransmission frequency and the determined power level to the transmitter. The transmitter retransmits the initial data block as many times as the retransmission frequency at the requested power level. The receiver then determines whether the retransmitted data blocks have errors, and provides the retransmitted data blocks to an upper layer upon failure to detect errors from the retransmitted data blocks.

    摘要翻译: 一种用于在移动通信系统中重传数据的方法和装置,其中接收机确定从发射机接收的初始数据块是否具有错误。 在从初始数据块检测到错误时,接收机估计当前信道状态,并且根据估计的当前信道状态确定初始数据块的重发频率和功率电平。 此后,接收机将所确定的重发频率和所确定的功率电平与初始数据块的重发请求消息一起发送到发射机。 发射机以所请求的功率电平重发与重传频率一样多的初始数据块。 然后,接收机确定重传的数据块是否具有错误,并且在未能从重传的数据块检测到错误的情况下将重传的数据块提供给上层。

    Apparatus and method for exchanging variable-length data according to radio link protocol in mobile communication system
    100.
    发明申请
    Apparatus and method for exchanging variable-length data according to radio link protocol in mobile communication system 有权
    根据移动通信系统中的无线链路协议交换可变长度数据的装置和方法

    公开(公告)号:US20050286561A1

    公开(公告)日:2005-12-29

    申请号:US11191517

    申请日:2005-07-28

    摘要: An information frame of a new format transmitted according to a radio link protocol (RLP), and a device and method for transmitting and receiving the information frame in a mobile communication system. The information frame is comprised of a plurality of consecutive multiplex frames each having a given length. The multiplex frames each are comprised of a header and a succeeding RLP frame, and the RLP frame includes transmission data. At least one of the multiplex frames is comprised of a plurality of sub-multiplex frames, and each sub-multiplex frame is comprised of a header including an RLP service identifier field and a length indication field for indicating a length of the transmission data, and a data block associated to the succeeding RLP frame.

    摘要翻译: 根据无线链路协议(RLP)发送的新格式的信息帧,以及用于在移动通信系统中发送和接收信息帧的设备和方法。 信息帧由多个具有给定长度的连续复用帧组成。 多路复用帧各自包括报头和后续RLP帧,并且RLP帧包括传输数据。 多路复用帧中的至少一个由多个子复用帧构成,每个子复用帧由包括用于指示传输数据的长度的RLP服务标识符字段和长度指示字段的标题组成,以及 与后续RLP帧相关联的数据块。