JP2019176496A - ユーザ装置 - Google Patents
ユーザ装置 Download PDFInfo
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- JP2019176496A JP2019176496A JP2019100176A JP2019100176A JP2019176496A JP 2019176496 A JP2019176496 A JP 2019176496A JP 2019100176 A JP2019100176 A JP 2019100176A JP 2019100176 A JP2019100176 A JP 2019100176A JP 2019176496 A JP2019176496 A JP 2019176496A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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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
- 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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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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
- H04B7/06—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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
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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
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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
- H04L25/0204—Channel estimation of multiple channels
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- 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
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- H—ELECTRICITY
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0026—Division using four or more dimensions
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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
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- H—ELECTRICITY
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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- 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
- H04L5/0078—Timing of allocation
- H04L5/0082—Timing of allocation at predetermined intervals
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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
- H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
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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
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- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W88/08—Access point devices
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
100 基地局
200 ユーザ装置
Claims (5)
- ダウンリンクリファレンス信号に基づいてアップリンクリファレンス信号をプリコードする制御部と、
前記プリコードされたアップリンクリファレンス信号を送信する送信部と、を備える
ユーザ装置。 - アップリンク共有チャネルの送信電力とは独立に前記アップリンクリファレンス信号の送信電力を決定する、
請求項1に記載のユーザ装置。 - 固定のオフセット値でない値に基づいて前記アップリンクリファレンス信号の送信電力を決定する、
請求項1に記載のユーザ装置。 - 前記アップリンクリファレンス信号のための無線リソースはRRCにより通知される、
請求項1に記載のユーザ装置。 - ダウンリンクリファレンス信号に基づいてアップリンクリファレンス信号をプリコードするステップと、
前記プリコードされたアップリンクリファレンス信号を送信するステップと、を備える
送信方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014195885 | 2014-09-25 | ||
JP2014195885 | 2014-09-25 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016550082A Division JPWO2016047409A1 (ja) | 2014-09-25 | 2015-09-02 | 基地局及びユーザ装置 |
Publications (2)
Publication Number | Publication Date |
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JP2019176496A true JP2019176496A (ja) | 2019-10-10 |
JP6883609B2 JP6883609B2 (ja) | 2021-06-09 |
Family
ID=55580937
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2016550082A Pending JPWO2016047409A1 (ja) | 2014-09-25 | 2015-09-02 | 基地局及びユーザ装置 |
JP2019100176A Active JP6883609B2 (ja) | 2014-09-25 | 2019-05-29 | ユーザ装置及び送信方法 |
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JP2016550082A Pending JPWO2016047409A1 (ja) | 2014-09-25 | 2015-09-02 | 基地局及びユーザ装置 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20170311321A1 (ja) |
JP (2) | JPWO2016047409A1 (ja) |
CN (2) | CN111641485B (ja) |
WO (1) | WO2016047409A1 (ja) |
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CN106301506B (zh) * | 2015-05-15 | 2020-03-13 | 电信科学技术研究院 | 一种码本子集约束的方法及装置 |
WO2017011360A1 (en) * | 2015-07-10 | 2017-01-19 | Ping Liang | Method for calibrating the channel state information of uplink and downlink in wireless multi-antenna systems |
WO2017024582A1 (zh) * | 2015-08-13 | 2017-02-16 | 华为技术有限公司 | 上行参考信号传输方法、用户终端及基站 |
JP2017118462A (ja) * | 2015-12-25 | 2017-06-29 | 富士通株式会社 | 無線通信システムおよび基地局 |
WO2017137090A1 (en) * | 2016-02-12 | 2017-08-17 | Nokia Solutions And Networks Oy | Apparatus and method for control signalling in uplink precoding |
CN108702765B (zh) * | 2016-02-25 | 2023-07-25 | 瑞典爱立信有限公司 | 双工通信方法和装置 |
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2015
- 2015-09-02 CN CN202010434140.5A patent/CN111641485B/zh active Active
- 2015-09-02 JP JP2016550082A patent/JPWO2016047409A1/ja active Pending
- 2015-09-02 CN CN201580051308.1A patent/CN107079307A/zh active Pending
- 2015-09-02 WO PCT/JP2015/075007 patent/WO2016047409A1/ja active Application Filing
- 2015-09-02 US US15/513,356 patent/US20170311321A1/en not_active Abandoned
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2019
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CN111641485A (zh) | 2020-09-08 |
CN107079307A (zh) | 2017-08-18 |
JP6883609B2 (ja) | 2021-06-09 |
US11212794B2 (en) | 2021-12-28 |
WO2016047409A1 (ja) | 2016-03-31 |
JPWO2016047409A1 (ja) | 2017-07-20 |
CN111641485B (zh) | 2023-06-02 |
US20170311321A1 (en) | 2017-10-26 |
US20190281602A1 (en) | 2019-09-12 |
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