JP2019535213A - 無線通信システムにおける位相雑音除去のためのptrs受信方法及びその装置 - Google Patents
無線通信システムにおける位相雑音除去のためのptrs受信方法及びその装置 Download PDFInfo
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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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0473—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping into account
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- H04B7/00—Radio transmission systems, i.e. using radiation field
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- 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
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- H—ELECTRICITY
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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
- H04B7/06—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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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
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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
-
- 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
- H04L5/0023—Time-frequency-space
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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
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
- H04L27/266—Fine or fractional frequency offset determination and synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
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Abstract
Description
Additional gain = 1.8dB × 2つのCWのCQIの差
Claims (14)
- 無線通信システムにおいて、端末が動作する方法であって、
基地局から2つ以上のコードワードのそれぞれに対するMCS(Modulation and Coding Scheme)情報を受信するステップと、
前記MCS情報に基づいて、PTRS(Phase Tracking Reference Signal)アンテナポートがマッピングされたDMRS(DeModulation Reference Signal)アンテナポートを決定するステップと、
前記DMRSアンテナポートに基づいて、PTRSを受信するステップと、を含み、
前記DMRSアンテナポートは、2つ以上のコードワードのうち、より高いMCSを有するコードワードに含まれる1つ以上のDMRSアンテナポートのうち最低のインデックスを有するDMRSアンテナポートと決定される、端末の動作方法。 - 前記2つ以上のコードワードのMCSが同一の場合、前記DMRSアンテナポートは、前記2つ以上のコードワードに含まれる全てのDMRSアンテナポートのうち最低のインデックスを有するDMRSアンテナポートと決定される、請求項1に記載の端末の動作方法。
- 前記2つ以上のコードワードに含まれる全てのDMRSアンテナポートは、1つのDMRSアンテナポートグループに含まれる、請求項1に記載の端末の動作方法。
- 前記2つ以上のコードワードに含まれる全てのDMRSアンテナポートが、2つ以上のDMRSアンテナポートグループに含まれる場合、前記PTRSアンテナポートの数は、前記2つ以上のDMRSアンテナポートグループの数より小さいか同一である、請求項1に記載の端末の動作方法。
- さらに、前記基地局からPTRSアンテナポートの数に関する情報を受信するステップを含む、請求項4に記載の端末の動作方法。
- 前記2つ以上のコードワードに含まれる全てのDMRSアンテナポートが、2つ以上のDMRSアンテナポートグループに含まれ、PTRSアンテナポートの数が1である場合、前記DMRSアンテナポートは、前記2つ以上のコードワードのうち、より高いMCSを有するコードワードに含まれるDMRSアンテナポートグループに含まれる1つ以上のDMRSアンテナポートのうち最低のインデックスを有するDMRSアンテナポートと決定される、請求項4に記載の端末の動作方法。
- さらに、前記2つ以上のコードワードのそれぞれに対するCQI(Channel Quality Information)を基地局に送信するステップと、
前記2つ以上のコードワードのうち、より大きいCQIを有するコードワードに含まれる1つ以上のレイヤーのうち、チャネル品質が最良のレイヤーのレイヤーインデックスを基地局に送信するステップと、を含む、請求項1に記載の端末の動作方法。 - 無線通信システムにおいて動作する端末であって、
基地局と信号を送受信するための送受信部と、
前記送受信部と接続されたプロセッサと、を含み、
前記プロセッサは、
前記基地局から2つ以上のコードワードのそれぞれに対するMCS(Modulation and Coding Scheme)情報を受信し、
前記MCS情報に基づいてPTRS(Phase Tracking Reference Signal)アンテナポートがマッピングされたDMRS(DeModulation Reference Signal)アンテナポートを決定し、
前記DMRSアンテナポートに基づいてPTRSを受信し、
前記DMRSアンテナポートは、前記2つ以上のコードワードのうち、より高いMCSを有するコードワードに含まれる1つ以上のDMRSアンテナポートのうち最低のインデックスを有するDMRSアンテナポートと決定される、端末。 - 前記2つ以上のコードワードのMCSが同一の場合、前記DMRSアンテナポートは、前記2つ以上のコードワードに含まれる全てのDMRSアンテナポートのうち最低のインデックスを有するDMRSアンテナポートと決定される、請求項8に記載の端末。
- 前記2つ以上のコードワードに含まれる全てのDMRSアンテナポートは、1つのDMRSアンテナポートグループに含まれる、請求項8に記載の端末。
- 前記2つ以上のコードワードに含まれる全てのDMRSアンテナポートが、2つ以上のDMRSアンテナポートグループに含まれる場合、前記PTRSアンテナポートの数は、前記2つ以上のDMRSアンテナポートグループの数より小さいか同一である、請求項8に記載の端末。
- 前記プロセッサは、さらに、前記基地局からPTRSアンテナポートの数に関する情報を受信する、請求項11に記載の端末。
- 前記2つ以上のコードワードに含まれる全てのDMRSアンテナポートが、2つ以上のDMRSアンテナポートグループに含まれ、PTRSアンテナポートの数が1である場合、前記DMRSアンテナポートは、前記2つ以上のコードワードのうち、より高いMCSを有するコードワードに含まれるDMRSアンテナポートグループに含まれる1つ以上のDMRSアンテナポートのうち最低のインデックスを有するDMRSアンテナポートと決定される、請求項11に記載の端末。
- 前記プロセッサは、さらに、
前記2つ以上のコードワードのそれぞれに対するCQI(Channel Quality Information)を基地局に送信し、
前記2つ以上のコードワードのうち、より大きいCQIを有するコードワードに含まれる1つ以上のレイヤーのうち、チャネル品質が最良のレイヤーのレイヤーインデックスを基地局に送信する、請求項8に記載の端末。
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US201762476744P | 2017-03-25 | 2017-03-25 | |
US62/476,744 | 2017-03-25 | ||
US201762520666P | 2017-06-16 | 2017-06-16 | |
US62/520,666 | 2017-06-16 | ||
US201762525775P | 2017-06-28 | 2017-06-28 | |
US62/525,775 | 2017-06-28 | ||
US201762531299P | 2017-07-11 | 2017-07-11 | |
US62/531,299 | 2017-07-11 | ||
PCT/KR2018/003455 WO2018182242A2 (ko) | 2017-03-25 | 2018-03-23 | 무선 통신 시스템에서 위상 잡음 제거를 위한 ptrs 수신 방법 및 그 장치 |
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US11476879B2 (en) | 2022-10-18 |
WO2018182242A2 (ko) | 2018-10-04 |
CA3032798A1 (en) | 2018-10-04 |
CL2019000065A1 (es) | 2019-04-05 |
PH12019500212A1 (en) | 2019-12-02 |
KR102254897B1 (ko) | 2021-05-24 |
MX2019002597A (es) | 2019-07-04 |
US20190296781A1 (en) | 2019-09-26 |
RU2725704C1 (ru) | 2020-07-03 |
MX395094B (es) | 2025-03-24 |
JP6977031B2 (ja) | 2021-12-08 |
AU2018246779A1 (en) | 2019-01-24 |
US10886956B2 (en) | 2021-01-05 |
MY194336A (en) | 2022-11-29 |
CA3032798C (en) | 2022-07-19 |
KR20180135869A (ko) | 2018-12-21 |
CN110463099B (zh) | 2022-01-21 |
US20190341950A1 (en) | 2019-11-07 |
US10447319B1 (en) | 2019-10-15 |
WO2018182242A3 (ko) | 2018-11-15 |
EP3570473A4 (en) | 2021-01-27 |
CN110463099A (zh) | 2019-11-15 |
EP3570473A2 (en) | 2019-11-20 |
AU2018246779B2 (en) | 2020-01-02 |
SG11201900095WA (en) | 2019-02-27 |
US20210075453A1 (en) | 2021-03-11 |
BR112019007304A2 (pt) | 2019-07-02 |
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