WO2013185733A3 - 一种多天线发送方法及终端及基站 - Google Patents

一种多天线发送方法及终端及基站 Download PDF

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Publication number
WO2013185733A3
WO2013185733A3 PCT/CN2013/081467 CN2013081467W WO2013185733A3 WO 2013185733 A3 WO2013185733 A3 WO 2013185733A3 CN 2013081467 W CN2013081467 W CN 2013081467W WO 2013185733 A3 WO2013185733 A3 WO 2013185733A3
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WO
WIPO (PCT)
Prior art keywords
srs
base station
terminal
transmission method
transmits
Prior art date
Application number
PCT/CN2013/081467
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English (en)
French (fr)
Other versions
WO2013185733A2 (zh
Inventor
黄琛
赵亚军
莫林梅
徐汉青
孙宝玉
李玉洁
秦洪峰
陈国峰
袁红峰
张新
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP13804361.7A priority Critical patent/EP2940885B1/en
Priority to US14/655,731 priority patent/US10038481B2/en
Priority to EP19208362.4A priority patent/EP3681054A1/en
Publication of WO2013185733A2 publication Critical patent/WO2013185733A2/zh
Publication of WO2013185733A3 publication Critical patent/WO2013185733A3/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

本发明实施例公开了一种多天线发送方法、终端及基站，eNB向UE发送包括新增SRS发送端口信息和/或用于指示此UE备执行天线组轮发的信令的RS发送方式以及此SRS发送方式所需控制信令，UE采用上述SRS发送方式发送SRS，eNB根据SRS估计信道信息并进行预编码矩阵的计算及发送。
PCT/CN2013/081467 2012-12-28 2013-08-14 一种多天线发送方法及终端及基站 WO2013185733A2 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP13804361.7A EP2940885B1 (en) 2012-12-28 2013-08-14 Multi-antenna transmission method, terminal and base station
US14/655,731 US10038481B2 (en) 2012-12-28 2013-08-14 Multi-antenna transmission method, terminal and base station
EP19208362.4A EP3681054A1 (en) 2012-12-28 2013-08-14 Multi-antenna transmission method, terminal and base station

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210587152.7 2012-12-28
CN201210587152.7A CN103905104B (zh) 2012-12-28 2012-12-28 一种根据探测参考信号的多天线发送方法及终端及基站

Publications (2)

Publication Number Publication Date
WO2013185733A2 WO2013185733A2 (zh) 2013-12-19
WO2013185733A3 true WO2013185733A3 (zh) 2014-02-13

Family

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PCT/CN2013/081467 WO2013185733A2 (zh) 2012-12-28 2013-08-14 一种多天线发送方法及终端及基站

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Country Link
US (1) US10038481B2 (zh)
EP (2) EP3681054A1 (zh)
CN (1) CN103905104B (zh)
WO (1) WO2013185733A2 (zh)

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