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1. (WO2017156770) TRANSMISSION DEVICE AND METHOD FOR CHANNEL STATE INFORMATION REFERENCE SIGNAL, AND COMMUNICATIONS SYSTEM

Pub. No.:    WO/2017/156770    International Application No.:    PCT/CN2016/076725
Publication Date: Fri Sep 22 01:59:59 CEST 2017 International Filing Date: Sat Mar 19 00:59:59 CET 2016
IPC: H04B 7/00
Applicants: FUJITSU LIMITED
富士通株式会社
ZHOU, Hua
周华
XI, Wei
郤伟
Inventors: ZHOU, Hua
周华
XI, Wei
郤伟
Title: TRANSMISSION DEVICE AND METHOD FOR CHANNEL STATE INFORMATION REFERENCE SIGNAL, AND COMMUNICATIONS SYSTEM
Abstract:
A transmission device and method for a channel state information reference signal (CSI-RS), and a communications system. The transmission method comprises: transmitting a CSI-RS using a 32-port CSI-RS pattern or a 64-port CSI-RS pattern, wherein the 32-port CSI-RS pattern or the 64-port CSI-RS pattern is formed in one or more of the following manners: aggregating CSR-RSs of low port number on two or more subframes, aggregating CSI-RSs of low port number on two or more resource blocks, or increasing the number of resource elements for transmitting CSI-RSs in the subframes. Hence, 32 antenna ports or even 64 antenna ports can be configured on limited radio resources, and the spatial resolution of a system can be improved.