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    • 12. 发明申请
    • COMMUNICATION SYSTEM INCLUDING BASE STATIONS AND TERMINAL FOR MULTI-CELL COOPERATIVE COMMUNICATION
    • 通信系统,包括基站和终端用于多小区协同通信
    • US20110151918A1
    • 2011-06-23
    • US13059903
    • 2009-08-14
    • Bangwon SeoYoung Jo KoJae Young Ahn
    • Bangwon SeoYoung Jo KoJae Young Ahn
    • H04B7/26
    • H04B7/024H04B7/0413H04B7/0426H04B7/0617H04B7/0639H04B7/0671
    • Provided is a communication system for a multi-cell cooperative communication. A serving base station and at least one neighboring base station may communicate with at least one terminal through mutual cooperation. Each of the serving base station and the at least one neighboring base station may shift a phase of at least one element among elements included in a precoding matrix, using a phase shift matrix, and precode at least one data symbol. A terminal may feed back preferred phase shift matrix information to the serving base station, so that the serving base station and the at least one neighboring base station may adaptively determine a phase shift matrix. The terminal may calculate the phase shift matrix with small calculation amounts. The serving base station, the at least one neighboring base station, and the terminal may pre-store a plurality of candidate matrices with respect to the phase shift matrix.
    • 提供了一种用于多小区协作通信的通信系统。 服务基站和至少一个相邻基站可以通过相互协作与至少一个终端进行通信。 服务基站和至少一个相邻基站中的每个可以使用相移矩阵来移位包括在预编码矩阵中的元素中的至少一个元素的相位,并且对至少一个数据符号进行预编码。 终端可以将优选的相移矩阵信息反馈到服务基站,使得服务基站和至少一个相邻基站可以自适应地确定相移矩阵。 终端可以以较小的计算量计算相移矩阵。 服务基站,至少一个相邻基站和终端可以相对于相移矩阵预存储多个候选矩阵。
    • 13. 发明授权
    • Communication system including base stations and terminal for multi-cell cooperative communication
    • 通信系统包括基站和终端用于多小区协作通信
    • US08660601B2
    • 2014-02-25
    • US13059903
    • 2009-08-14
    • Bangwon SeoYoung Jo KoJae Young Ahn
    • Bangwon SeoYoung Jo KoJae Young Ahn
    • H04B7/00H04B1/00
    • H04B7/024H04B7/0413H04B7/0426H04B7/0617H04B7/0639H04B7/0671
    • Provided is a communication system for a multi-cell cooperative communication. A serving base station and at least one neighboring base station may communicate with at least one terminal through mutual cooperation. Each of the serving base station and the at least one neighboring base station may shift a phase of at least one element among elements included in a precoding matrix, using a phase shift matrix, and precode at least one data symbol. A terminal may feed back preferred phase shift matrix information to the serving base station, so that the serving base station and the at least one neighboring base station may adaptively determine a phase shift matrix. The terminal may calculate the phase shift matrix with small calculation amounts. The serving base station, the at least one neighboring base station, and the terminal may pre-store a plurality of candidate matrices with respect to the phase shift matrix.
    • 提供了一种用于多小区协作通信的通信系统。 服务基站和至少一个相邻基站可以通过相互协作与至少一个终端进行通信。 服务基站和至少一个相邻基站中的每个可以使用相移矩阵来移位包括在预编码矩阵中的元素中的至少一个元素的相位,并且对至少一个数据符号进行预编码。 终端可以将优选的相移矩阵信息反馈到服务基站,使得服务基站和至少一个相邻基站可以自适应地确定相移矩阵。 终端可以以较小的计算量计算相移矩阵。 服务基站,至少一个相邻基站和终端可以相对于相移矩阵预存储多个候选矩阵。
    • 16. 发明授权
    • Method of transmitting downlink channel rank information through physical uplink shared channel
    • 通过物理上行链路共享信道发送下行链路信道秩信息的方法
    • US08599781B2
    • 2013-12-03
    • US13105428
    • 2011-05-11
    • Bangwon SeoYoung Jo Ko
    • Bangwon SeoYoung Jo Ko
    • H04W4/00H04B7/02H04L27/00
    • H04L1/0072H04B7/063H04L1/0026H04L1/0041H04L1/0057H04L1/08H04L5/0057
    • Provided is a method of transmitting channel rank information (RI) when the number of bits for transmitting the channel RI to be transmitted through a physical uplink shared channel (PUSCH) is three or more. The method includes mapping channel RI to be transmitted to a channel RI bit string of 3 bits or more, Reed-Muller coding and rate-matching the channel RI bit string using a basis sequence having a 32-bit code length, and generating modulation symbols by applying the bit sequence that has been Reed-Muller coded and rate-matched to a modulation mapper. Accordingly, the method of transmitting downlink channel RI can be employed when five or more antennas are used for downlink transmission or several carrier bands are used by carrier aggregation as specified in Third Generation Partnership Project (3GPP) long term evolution (LTE)-advanced following 3GPP LTE release 10.
    • 提供当用于发送通过物理上行链路共享信道(PUSCH)发送的信道RI的比特数为3以上时,发送信道秩信息(RI)的方法。 该方法包括将要发送的信道RI映射到3比特或更多的信道RI比特串,使用具有32比特码长的基序列的Reed-Muller编码和信道RI比特串的速率匹配,以及生成调制符号 通过将已被Reed-Muller编码和速率匹配的比特序列应用于调制映射器。 因此,当在下行链路传输中使用五个或更多个天线时,可以采用传输下行链路信道RI的方法,或者如第三代合作伙伴计划(3GPP)长期演进(LTE) - 高级跟踪中所规定的,通过载波聚合使用若干载波频带 3GPP LTE版本10。