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    • 12. 发明申请
    • METHOD OF PROVIDING INFORMATION OF NEIGHBOR BASE STATION BY MOBILE SUBSCRIBER STATION IN BROADBAND WIRELESS ACCESS SYSTEM
    • 通过宽带无线接入系统中移动用户站提供邻居基站信息的方法
    • US20090052428A1
    • 2009-02-26
    • US11568938
    • 2005-05-10
    • Ki Seon RyuChang Jae LeeYong Suk Jin
    • Ki Seon RyuChang Jae LeeYong Suk Jin
    • H04J3/06
    • H04L12/66
    • A method of providing neighbor base station information via a mobile subscriber station in a broadband wireless access system is disclosed. In providing neighbor base station information (S316) to a serving base station from a mobile subscriber station in a broadband wireless access system, the present invention includes the steps of performing a scanning and a synchronization (S312, S313) on a mobile base station based on information provided from the serving base station (S311) and transmitting the neighbor base station information acquired from the scanning and the synchronization to the serving base station (S316) regardless of a presence or non-presence of a request from the serving base station. Accordingly, the present invention can efficiently transmit the neighbor base station signal intensity and frame information acquired by the mobile subscriber station.
    • 公开了一种通过宽带无线接入系统中的移动用户站提供相邻基站信息的方法。 本发明在宽带无线接入系统中从移动用户台向服务基站提供相邻基站信息(S316),包括以下步骤:在移动基站上执行扫描和同步(S312,S313) 从服务基站提供的信息(S311),并且将从扫描和同步获取的相邻基站信息发送到服务基站(S316),而不管服务基站是否存在请求。 因此,本发明可以有效地发送由移动用户站获取的相邻基站信号强度和帧信息。
    • 17. 发明授权
    • Method for handover between frequency allocation in broadband wireless access system
    • 宽带无线接入系统中频率分配之间切换的方法
    • US08036663B2
    • 2011-10-11
    • US11570228
    • 2005-06-08
    • Yong Suk JinBin Chul Im
    • Yong Suk JinBin Chul Im
    • H04W36/00
    • H04W36/26H04W72/042H04W72/0453
    • A handover control method in a broadband wireless access system is disclosed. In a broadband wireless access system supporting multiple frequency allocations, in which a serving base station controls a handover, the present invention includes the steps of receiving from a mobile subscriber station a handover request message including an identifier of the mobile subscriber station, transmitting a handover request notification message including the identifier of the mobile subscriber station to a handover target base station, receiving a handover request notification response message including information for frequency allocation supportable by the target base station, and transmitting a handover response message including the information for the frequency allocation to the mobile subscriber station. Accordingly, in the broadband wireless access system supporting the multiple FA, the present invention enables the handover between FAs within one cell or between FAs in different cells.
    • 公开了一种宽带无线接入系统中的切换控制方法。 在支持多个频率分配的宽带无线接入系统中,其中服务基站控制切换,本发明包括以下步骤:从移动用户台接收包括移动用户台的标识符的切换请求消息,发送切换 请求通知消息,包括移动用户站的标识符到切换目标基站;接收包括目标基站支持的频率分配信息的切换请求通知响应消息,以及发送包括用于频率分配的信息的切换响应消息 到移动用户台。 因此,在支持多个FA的宽带无线接入系统中,本发明实现了一个小区内的FA之间或不同小区中的FA之间的切换。
    • 19. 发明授权
    • Supporting hybrid automatic retransmission request in orthogonal frequency division multiplexing access radio access system
    • 在正交频分复用接入无线接入系统中支持混合自动重传请求
    • US07889708B2
    • 2011-02-15
    • US12761307
    • 2010-04-15
    • Bin Chul IhmChang Jae LeeYong Suk JinJin Young Chun
    • Bin Chul IhmChang Jae LeeYong Suk JinJin Young Chun
    • H04J1/00H04B7/02
    • H04L1/1819H04L1/0656H04L1/1607H04L1/1845H04L5/023
    • A method of supporting a hybrid automatic retransmission request (HARQ) in an orthogonal frequency division multiplexing access (OFDMA) radio access system is disclosed. Preferably, the method comprises receiving a downlink data frame comprising a data map information element and a data burst comprising a plurality of layers, wherein each layer is encoded with a corresponding channel encoder, and wherein the data map information element is configured to support multiple antennas to achieve space time transmit diversity by providing control information associated with each one of the plurality of layers, wherein the control information comprises allocation of acknowledgement status channels corresponding to the plurality of layers, and transmitting in an uplink data frame a plurality of acknowledgement status, each acknowledgement status being associated with whether a corresponding layer of the plurality of layers is properly decoded.
    • 公开了一种在正交频分复用接入(OFDMA)无线电接入系统中支持混合自动重传请求(HARQ)的方法。 优选地,所述方法包括接收包括数据映射信息元素和包括多个层的数据突发的下行链路数据帧,其中每个层被对应的信道编码器编码,并且其中所述数据映射信息元素被配置为支持多个天线 通过提供与所述多个层中的每一层相关联的控制信息来实现空间时间发射分集,其中所述控制信息包括对应于所述多个层的确认状态信道的分配,以及在上行链路数据帧中发送多个确认状态, 每个确认状态与所述多个层的对应层是否被适当地解码相关联。