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    • 63. 发明申请
    • METHOD AND APPARATUS FOR CHANNEL ACCESS FOR LTE ON UNLICENSED SPECTRUM
    • 用于不通用频谱的LTE信道接入的方法和装置
    • WO2016072717A1
    • 2016-05-12
    • PCT/KR2015/011727
    • 2015-11-03
    • SAMSUNG ELECTRONICS CO., LTD.
    • NG, Boon LoongZHANG, JianzhongNOVLAN, Thomas DavidPAPASAKELLARIOU, ArisONGGOSANUSI, Eko
    • H04L5/00H04L27/26H04W74/08
    • H04L5/0048H04L5/0007H04L5/001
    • The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as a Long Term Evolution (LTE). A method of a base station (BS) to implement a listen-before-talk (LBT) protocol is provided. The method includes generating for transmission at least one of a discovery reference signal (DRS) or a data signal. The method also includes initiating an LBT protocol based on a single sensing interval to access a channel and transmit the DRS in contiguous orthogonal frequency-division multiplexing (OFDM) symbols. The method further includes initiating an LBT protocol with random back-off to access the channel and transmit the data signal, where a back-off counter value of the LBT protocol with random back-off does not decrement when the DRS is transmitting in the channel.
    • 本公开涉及要提供用于支持超过第四代(4G)通信系统(例如长期演进(LTE))的更高数据速率的前5代(5G)或5G通信系统。 提供了一种实现听即播(LBT)协议的基站(BS)的方法。 该方法包括生成用于传输发现参考信号(DRS)或数据信号中的至少一个。 该方法还包括基于单个感测间隔启动LBT协议以访问信道并以连续的正交频分复用(OFDM)符号发送DRS。 该方法还包括启动具有随机退避的LBT协议以访问信道并发送数据信号,其中当DRS在信道中发送时,具有随机退避的LBT协议的后退计数值不减少 。