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    • 10. 发明申请
    • COMMUNICATION DEVICE AND METHODS THEREOF
    • 通信设备及其方法
    • WO2017125152A1
    • 2017-07-27
    • PCT/EP2016/051175
    • 2016-01-21
    • HUAWEI TECHNOLOGIES CO., LTD.NASIRI KHORMUJI, MajidPITAVAL, Renaud-Alexandre
    • NASIRI KHORMUJI, MajidPITAVAL, Renaud-Alexandre
    • H04B7/04H04B7/06
    • H04B7/0417H04B7/0421H04B7/061H04B7/0619H04B7/063H04B7/0639H04B7/065H04B7/0673
    • The invention relates to a first communication device for a wireless communication system (500), the first communication device (100) comprising: a processor (102), a cascade precoder (104) including an outer precoder (106) and an inner precoder (108), and a transceiver (110); wherein the processor (102) is configured to determine the inner precoder (108); wherein the transceiver (110) is configured to transmit a first pilot sequence (P1) to a second communication device (300), the first pilot sequence (P1) being precoded with the determined inner precoder (108) by the processor (102); wherein the transceiver (110) is configured to receive a first channel estimation (CHE1) from the second communication device (300) in response to the transmission of the first pilot sequence (P1); wherein the processor (102) is configured to determine the outer precoder (106) based on the first channel estimation (CHE1); wherein the transceiver (110) is configured to transmit at least one of a data sequence and a pilot sequence to the second communication device (300). Furthermore, the invention also relates to corresponding methods, a wireless communication system, a computer program, and a computer program product.
    • 本发明涉及一种用于无线通信系统(500)的第一通信设备,所述第一通信设备(100)包括:处理器(102),级联预编码器(104),所述级联预编码器包括外部预编码器 (106)和内部预编码器(108)以及收发器(110); 其中所述处理器(102)经配置以确定所述内部预编码器(108); 其中所述收发器(110)被配置为通过所述处理器(102)向所述第二通信设备(300)传输第一导频序列(P1),所述第一导频序列(P1)由所确定的内部预编码器(108)进行预编码; 其中所述收发器(110)被配置为响应于所述第一导频序列(P1)的所述传输而从所述第二通信设备(300)接收第一信道估计(CHE1); 其中所述处理器(102)经配置以基于所述第一信道估计(CHE1)来确定所述外部预编码器(106); 其中所述收发器(110)被配置为将数据序列和导频序列中的至少一个发送到所述第二通信设备(300)。 此外,本发明还涉及相应的方法,无线通信系统,计算机程序和计算机程序产品。