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    • 2. 发明申请
    • METHOD AND APPARATUS FOR BEAM TRACKING IN WIRELESS COMMUNICATION SYSTEM
    • 无线通信系统中光束跟踪的方法与装置
    • US20130040684A1
    • 2013-02-14
    • US13569550
    • 2012-08-08
    • Hyun-Kyu YUTae-Young KIMJeong-Ho PARK
    • Hyun-Kyu YUTae-Young KIMJeong-Ho PARK
    • H04W24/00
    • H04B7/0617H04B7/0623H04B7/0684H04L1/189H04L5/0048H04W72/042H04W88/02
    • A method and an apparatus for tracking a beam in a wireless communication system are provided. In the method, a plurality of downlink reference signals are received from a base station and at least one downlink transmission beam pattern is determined. A plurality of uplink reference signals are transmitted to the base station, each includes identifier information corresponding to the determined at least one downlink transmission beam pattern. ACKnowledgement (ACK) information indicating that the base station has successfully received an identifier included in the identifier information corresponding to the determined at least one downlink transmission beam pattern from identifier information corresponding to an uplink transmission beam pattern and that the plurality of uplink reference signals from the base station is received.
    • 提供了一种在无线通信系统中跟踪光束的方法和装置。 在该方法中,从基站接收多个下行链路参考信号,并且确定至少一个下行链路传输波束图案。 将多个上行链路参考信号发送到基站,每个包括与所确定的至少一个下行链路传输波束模式对应的标识符信息。 确认(ACK)信息,其指示基站已经从对应于上行链路传输波束模式的标识符信息中成功接收到包含在与所确定的至少一个下行链路传输波束模式相对应的标识符信息中的标识符,并且所述多个上行链路参考信号来自 接收基站。
    • 5. 发明申请
    • APPARATUS AND METHOD FOR SELECTING BEST BEAM IN WIRELESS COMMUNICATION SYSTEM
    • 在无线通信系统中选择最佳波束的装置和方法
    • US20130059619A1
    • 2013-03-07
    • US13591610
    • 2012-08-22
    • Tae-Young KIMHyun-Kyu YUJae-Weon CHO
    • Tae-Young KIMHyun-Kyu YUJae-Weon CHO
    • H04W72/04
    • H04W72/048H04B7/0617H04B7/063H04B7/0695H04L5/0051H04W72/046H04W88/08
    • An apparatus and method for selecting the best beam in a wireless communication system are provided. An operation of a Base Station (BS) includes repeatedly transmitting reference signals beamformed with a first width, receiving a feedback signal indicating at least one preferred-beam having the first width from at least one terminal, determining a direction range within which reference signals beamformed with a second width are to be transmitted and a transmission pattern, based on the at least one preferred-beam having the first width, repeatedly transmitting the reference signals beamformed with the second width within the determined direction range according to the transmission pattern, and receiving a feedback signal indicating at least one preferred-beam having the second width from the at least one terminal.
    • 提供了一种用于在无线通信系统中选择最佳波束的装置和方法。 基站(BS)的操作包括重复发送以第一宽度形成的参考信号,从至少一个终端接收指示至少一个具有第一宽度的优选波束的反馈信号,确定参考信号波束形成的方向范围 第二宽度将被传输,并且基于具有第一宽度的至少一个优选光束的传输模式根据传输模式重复地在所确定的方向范围内传输与第二宽度成对的参考信号,并且接收 指示至少一个具有来自至少一个终端的第二宽度的优选光束的反馈信号。