Apparatus and method for performing handover in a communication system
    2.
    发明授权
    Apparatus and method for performing handover in a communication system 有权
    在通信系统中执行切换的装置和方法

    公开(公告)号:US09113379B2

    公开(公告)日:2015-08-18

    申请号:US12175949

    申请日:2008-07-18

    IPC分类号: H04W36/00 H04W36/04

    摘要: A handover apparatus and method in a communication system having a macro BS and a plurality of micro BSs in one cell are provided. A handover apparatus includes a macro BS for generating a plurality of messages, each messages respectively corresponds to one of a plurality of group areas defined by grouping service areas of the micro BSs and includes information about BSs to which MSs of the group area can perform handover. The macro BS also generates group area information indicating locations of the group areas, broadcasts the plurality of messages and the group area information to the cell, and manages handover of MSs based on the plurality of messages and the group area information.

    摘要翻译: 提供了具有一个小区中的宏BS和多个微BS的通信系统中的切换装置和方法。 切换装置包括用于生成多个消息的宏BS,每个消息分别对应于通过分组微BS的服务区域而定义的多个组区域中的一个,并且包括关于组的区域的MS可以执行切换的BS的信息 。 宏BS还生成指示组区域的位置,广播多个消息和组区域信息到小区的组区域信息,并且基于多个消息和组区域信息来管理MS的切换。

    Method and system for transmitting resource allocation information in communication system
    3.
    发明授权
    Method and system for transmitting resource allocation information in communication system 有权
    在通信系统中传输资源分配信息的方法和系统

    公开(公告)号:US08547883B2

    公开(公告)日:2013-10-01

    申请号:US12194398

    申请日:2008-08-19

    摘要: A system and method for transmitting resource allocation information by a base station in a communication system is provided. The method includes generating first MAP messages for user terminals, each of which includes an identifier of a corresponding user terminal and corresponds to resource allocation information on a first band, in an order of user terminals, generating a second MAP message, which corresponds to resource allocation information for a user terminal allocated resources of only a second band, and generating third MAP messages, which correspond to resource allocation information on the second band, for user terminals allocated resources of both the first band and the second band, among the user terminals, in the order of user terminals allocated resources of both the first band and the second band, transmitting the first MAP message through the first band, and transmitting the second and third MAP messages through the second band.

    摘要翻译: 提供了一种用于在通信系统中由基站发送资源分配信息的系统和方法。 该方法包括生成用户终端的第一MAP消息,每个MAP消息包括相应用户终端的标识符,并按照用户终端的顺序对应于第一频带上的资源分配信息,生成对应于资源的第二MAP消息 分配用于用户终端的分配信息,分配仅第二频带的资源,并且生成与用于分配第一频带和第二频带两者的资源的用户终端对应的关于第二频带的资源分配信息的第三MAP消息 以用户终端分配第一频带和第二频带两者的资源的顺序,通过第一频带发送第一MAP消息,并通过第二频带发送第二和第三MAP消息。

    Apparatus and method for supporting a plurality of MIMO modes in a wireless communication system
    6.
    发明申请
    Apparatus and method for supporting a plurality of MIMO modes in a wireless communication system 有权
    一种用于在无线通信系统中支持多个MIMO模式的装置和方法

    公开(公告)号:US20090034639A1

    公开(公告)日:2009-02-05

    申请号:US12221225

    申请日:2008-07-31

    IPC分类号: H04L27/28

    摘要: An apparatus and method for supporting a plurality of MIMO modes in a wireless communication system are provided, in which a receiver selects one of the plurality of MIMO modes according to at least one of a received signal strength, a speed of the receiver, a correlation between a transmitter and the receiver, a presence or absence of channel quality information, a precoding index, and an antenna information, a rank, and a number of users, generates feedback information in a transmission format corresponding to the selected MIMO mode, and transmits the feedback information to the transmitter using a feedback resources allocated according to the selected MIMO mode.

    摘要翻译: 提供了一种用于在无线通信系统中支持多个MIMO模式的装置和方法,其中接收机根据接收信号强度,接收机速度,相关性中的至少一个选择多个MIMO模式之一 在发射机和接收机之间,存在或不存在信道质量信息,预编码索引和天线信息,秩和用户数量,以对应于所选MIMO模式的传输格式生成反馈信息,并且发送 使用根据所选MIMO模式分配的反馈资源将反馈信息发送给发射机。

    Apparatus and method for space frequency block coding in a multiple input multiple output single carrier wireless communication system
    8.
    发明授权
    Apparatus and method for space frequency block coding in a multiple input multiple output single carrier wireless communication system 有权
    多输入多输出单载波无线通信系统中的空间频率块编码装置及方法

    公开(公告)号:US08625707B2

    公开(公告)日:2014-01-07

    申请号:US12291960

    申请日:2008-11-14

    IPC分类号: H04L27/00

    摘要: A Multiple Input Multiple Output (MIMO) single carrier wireless communication system is provided. The system includes a coder for performing block coding on symbols, an extender for collecting the block-coded symbols during one transmit (Tx) signal duration and for performing repetitive extension on the collected symbol vectors by an interval required in a frequency domain, an inserter for inserting ‘0’ to the repetitively extended symbol vectors so that the vectors are mutually orthogonal in a time domain, and a combiner for multiplying the ‘0’-inserted symbol vectors by a phase component so that the vectors are mutually orthogonal in the frequency domain and thereafter for combining the symbol vectors to generate a Tx signal for each antenna.

    摘要翻译: 提供了多输入多输出(MIMO)单载波无线通信系统。 该系统包括用于对符号执行块编码的编码器,用于在一个发射(Tx)信号持续时间期间收集块编码符号的扩展器,并且用于对所收集的符号向量执行对频域所需的间隔的重复扩展,插入器 用于将“0”插入到重复扩展的符号向量中,使得向量在时域中相互正交;以及组合器,用于将“0”插入的符号向量乘以相位分量,使得向量在频率上相互正交 并且此后用于组合符号向量以产生每个天线的Tx信号。

    Method and apparatus for selecting antenna in a communication system
    9.
    发明授权
    Method and apparatus for selecting antenna in a communication system 有权
    在通信系统中选择天线的方法和装置

    公开(公告)号:US08364091B2

    公开(公告)日:2013-01-29

    申请号:US12098099

    申请日:2008-04-04

    IPC分类号: H04B1/00

    摘要: A method and apparatus for selecting an antenna in a communication system is provided. The apparatus includes a mobile station for determining a set of transmit antennas by considering statistical channel information, for determining a subset of the transmit antennas, which can increase a diversity gain and reduce an effect of a spatial correlation, from among the determined set of the transmit antennas by considering the statistical channel information and instantaneous channel information, for generating antenna selection information by using the determined subset of the transmit antennas, and for feeding back the generated antenna selection information to a base station.

    摘要翻译: 提供一种在通信系统中选择天线的方法和装置。 该装置包括:移动站,用于通过考虑统计信道信息来确定一组发射天线,用于确定发射天线的子集,其可以增加分集增益并降低空间相关性的影响,所确定的一组 通过考虑统计信道信息和瞬时信道信息来发射天线,用于通过使用所确定的发射天线的子集来产生天线选择信息,并且将生成的天线选择信息反馈给基站。

    Maximum likelihood detection apparatus and method in a wireless communication system
    10.
    发明授权
    Maximum likelihood detection apparatus and method in a wireless communication system 有权
    无线通信系统中的最大似然检测装置和方法

    公开(公告)号:US08290068B2

    公开(公告)日:2012-10-16

    申请号:US12176734

    申请日:2008-07-21

    IPC分类号: H04K1/10

    摘要: A Maximum Likelihood (ML) detection apparatus and method in a wireless communication system are provided, in which a Euclidean distance are calculated using at least one of channel matrix information, noise power information and modulation order information of each stream, Pairwise Error Rate (PER) are calculated using the Euclidean distance, an error probability of the each stream is calculated using the PER, the error probability of the each stream is ordered and sorted, and ML detection is performed using a result of the ordering and sorting.

    摘要翻译: 提供了一种无线通信系统中的最大似然(ML)检测装置和方法,其中使用信道矩阵信息,噪声功率信息和每个流的调制阶数信息中的至少一个来计算欧几里得距离,成对误差率 )使用欧氏距离计算,使用PER计算每个流的误差概率,对每个流的误差概率进行排序和排序,并且使用排序和排序的结果来执行ML检测。