CN107078836A - 一种导频信号的生成方法及装置 - Google Patents
一种导频信号的生成方法及装置 Download PDFInfo
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- CN107078836A CN107078836A CN201480082935.7A CN201480082935A CN107078836A CN 107078836 A CN107078836 A CN 107078836A CN 201480082935 A CN201480082935 A CN 201480082935A CN 107078836 A CN107078836 A CN 107078836A
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- 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
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- 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
- H04B7/0452—Multi-user MIMO systems
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- 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
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
本发明实施例提供一种导频信号的生成方法及装置,涉及通信技术领域,能够在保证多个UE中的每个UE都能正确解调数据流的情况下,实现多个UE共享一个导频,从而降低导频开销。该方法包括:确定多个UE共享的第一导频信号,该多个UE为在相同的时频资源上传输数据流的多个UE;并根据多个UE的当前下行信道信息,确定第一UE的导频预编码向量和第一UE的接收数据流增益,第一UE为所述多个UE中的一个;以及根据第一导频信号、第一UE的接收数据流增益以及第一UE的导频预编码向量,生成待发送至所述第一UE的第二导频信号。该方法应用于MU‑MIMO***。
Description
PCT国内申请,说明书已公开。
Claims (15)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2014/092199 WO2016082110A1 (zh) | 2014-11-25 | 2014-11-25 | 一种导频信号的生成方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107078836A true CN107078836A (zh) | 2017-08-18 |
CN107078836B CN107078836B (zh) | 2019-11-19 |
Family
ID=56073317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201480082935.7A Active CN107078836B (zh) | 2014-11-25 | 2014-11-25 | 一种导频信号的生成方法及装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10404435B2 (zh) |
EP (1) | EP3214782B1 (zh) |
CN (1) | CN107078836B (zh) |
WO (1) | WO2016082110A1 (zh) |
Cited By (1)
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---|---|---|---|---|
CN112953602A (zh) * | 2019-12-10 | 2021-06-11 | 安徽大学 | Tdd大规模mimo***中的下行预编码方法 |
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EP3214782B1 (en) * | 2014-11-25 | 2019-11-13 | Huawei Technologies Co., Ltd. | Method and apparatus for generating pilot frequency signal |
WO2017145232A1 (ja) * | 2016-02-22 | 2017-08-31 | 三菱電機株式会社 | 送信装置、受信装置、制御局、通信システムおよび送信プリコーディング方法 |
CN107566677A (zh) * | 2016-06-30 | 2018-01-09 | 华为技术有限公司 | 一种资源转移的方法和设备 |
US11025471B2 (en) * | 2017-01-20 | 2021-06-01 | Wisig Networks Private Limited | Method and system for providing code cover to OFDM symbols in multiple user system |
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2014
- 2014-11-25 EP EP14906665.6A patent/EP3214782B1/en active Active
- 2014-11-25 WO PCT/CN2014/092199 patent/WO2016082110A1/zh active Application Filing
- 2014-11-25 CN CN201480082935.7A patent/CN107078836B/zh active Active
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2017
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CN112953602B (zh) * | 2019-12-10 | 2022-06-24 | 安徽大学 | Tdd大规模mimo***中的下行预编码方法 |
Also Published As
Publication number | Publication date |
---|---|
US10404435B2 (en) | 2019-09-03 |
WO2016082110A1 (zh) | 2016-06-02 |
EP3214782B1 (en) | 2019-11-13 |
CN107078836B (zh) | 2019-11-19 |
EP3214782A1 (en) | 2017-09-06 |
US20170257194A1 (en) | 2017-09-07 |
EP3214782A4 (en) | 2017-09-20 |
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