JP2018530943A - 無線通信システムにおいてランク指示子のビットサイズ決定方式及びそのための装置 - Google Patents
無線通信システムにおいてランク指示子のビットサイズ決定方式及びそのための装置 Download PDFInfo
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- JP2018530943A JP2018530943A JP2018509772A JP2018509772A JP2018530943A JP 2018530943 A JP2018530943 A JP 2018530943A JP 2018509772 A JP2018509772 A JP 2018509772A JP 2018509772 A JP2018509772 A JP 2018509772A JP 2018530943 A JP2018530943 A JP 2018530943A
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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
-
- 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
- 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
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- 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
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
-
- 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]
-
- 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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (10)
- 無線接続システムにおいて端末が基地局にランク指示子を報告する方法であって、
上位階層を介して一つのCSI(Channel Status Information)プロセスに対する複数のCSI−RS(Channel Status Information−Reference Signal)リソースを設定する段階;
前記複数のCSI−RSリソースのうち一つを選択する段階;及び
前記選択された一つのCSI−RSリソースを指示する指示子と前記ランク指示子を前記基地局に報告する段階を含み、
前記ランク指示子のビットサイズは、
前記複数のCSI−RSリソースのためのアンテナポートの最大数に基づいて決定されることを特徴とする、ランク指示子報告方法。 - 前記ランク指示子のビットサイズは、
前記複数のCSI−RSリソースのためのアンテナポートの最大数及び前記端末が支援可能なレイヤーの最大数に基づいて決定されることを特徴とする、請求項1に記載のランク指示子報告方法。 - 前記基地局に前記端末が支援可能なレイヤーの最大数についての情報を送信する段階をさらに含むことを特徴とする、請求項1に記載のランク指示子報告方法。
- 前記選択された一つのCSI−RSリソースを用いて、前記ランク指示子を決定する段階をさらに含むことを特徴とする、請求項1に記載のランク指示子報告方法。
- 前記複数のCSI−RSリソースのそれぞれに対して独立的なプリコーディングが適用されることを特徴とする、請求項1に記載のランク指示子報告方法。
- 無線接続システムにおける端末であって、
無線通信モジュール;及び
プロセッサを含み、
前記プロセッサは、
上位階層を介して設定された一つのCSI(Channel Status Information)プロセスに対する複数のCSI−RS(Channel Status Information−Reference Signal)リソースのうち一つを選択し、前記選択された一つのCSI−RSリソースを指示する指示子とランク指示子を基地局に報告し、
前記ランク指示子のビットサイズは、
前記複数のCSI−RSリソースのためのアンテナポートの最大数に基づいて決定されることを特徴とする、端末。 - 前記ランク指示子のビットサイズは、
前記複数のCSI−RSリソースのためのアンテナポートの最大数及び前記端末が支援可能なレイヤーの最大数に基づいて決定されることを特徴とする、請求項6に記載の端末。 - 前記プロセッサは、
前記基地局に前記端末が支援可能なレイヤーの最大数についての情報を送信することを特徴とする、請求項6に記載の端末。 - 前記プロセッサは、
前記選択された一つのCSI−RSリソースを用いて前記ランク指示子を決定することを特徴とする、請求項6に記載の端末。 - 前記複数のCSI−RSリソースのそれぞれに対して独立的なプリコーディングが適用されることを特徴とする、請求項6に記載の端末。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201562217025P | 2015-09-11 | 2015-09-11 | |
US62/217,025 | 2015-09-11 | ||
PCT/KR2016/010130 WO2017043902A1 (ko) | 2015-09-11 | 2016-09-09 | 무선 통신 시스템에서 랭크 지시자의 비트 사이즈 결정 방식 및 이를 위한 장치 |
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JP2018530943A true JP2018530943A (ja) | 2018-10-18 |
JP6923515B2 JP6923515B2 (ja) | 2021-08-18 |
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JP2018509772A Active JP6923515B2 (ja) | 2015-09-11 | 2016-09-09 | 無線通信システムにおいてランク指示子のビットサイズ決定方式及びそのための装置 |
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US (1) | US11153050B2 (ja) |
EP (1) | EP3386113A4 (ja) |
JP (1) | JP6923515B2 (ja) |
KR (1) | KR102585493B1 (ja) |
CN (1) | CN108028692B (ja) |
WO (1) | WO2017043902A1 (ja) |
Cited By (2)
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JP2018534856A (ja) * | 2015-10-16 | 2018-11-22 | チャイナ アカデミー オブ テレコミュニケーションズ テクノロジー | チャネル状態情報の伝送方法および装置 |
JP2020530216A (ja) * | 2017-06-23 | 2020-10-15 | オッポ広東移動通信有限公司Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 無線通信方法及び装置 |
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WO2019068211A1 (en) * | 2017-10-02 | 2019-04-11 | Qualcomm Incorporated | CHANNEL STATE CODING INFORMATION (CSI) WITH SINGLE PACKET ENCODING FOR MULTIPLE INPUT MULTIPLE (MIMO) OUTPUT OF NEW RADIO (NR) |
US11108476B2 (en) * | 2017-10-17 | 2021-08-31 | Intel Corporation | Techniques in beam measurement |
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US11477821B2 (en) * | 2017-12-20 | 2022-10-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink transmissions in a wireless communications network |
JP7220728B2 (ja) * | 2018-06-15 | 2023-02-10 | オッポ広東移動通信有限公司 | 無線通信方法、ネットワークデバイス及び端末デバイス |
KR102326158B1 (ko) * | 2019-11-29 | 2021-11-12 | 주식회사 엘지유플러스 | 기지국 및 이의 동작 방법과 단말 |
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- 2016-09-09 CN CN201680052428.8A patent/CN108028692B/zh active Active
- 2016-09-09 US US15/755,707 patent/US11153050B2/en active Active
- 2016-09-09 JP JP2018509772A patent/JP6923515B2/ja active Active
- 2016-09-09 KR KR1020187004348A patent/KR102585493B1/ko active IP Right Grant
- 2016-09-09 WO PCT/KR2016/010130 patent/WO2017043902A1/ko active Application Filing
- 2016-09-09 EP EP16844718.3A patent/EP3386113A4/en active Pending
Cited By (3)
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JP2018534856A (ja) * | 2015-10-16 | 2018-11-22 | チャイナ アカデミー オブ テレコミュニケーションズ テクノロジー | チャネル状態情報の伝送方法および装置 |
JP2020530216A (ja) * | 2017-06-23 | 2020-10-15 | オッポ広東移動通信有限公司Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 無線通信方法及び装置 |
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Publication number | Publication date |
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CN108028692B (zh) | 2021-03-12 |
JP6923515B2 (ja) | 2021-08-18 |
WO2017043902A1 (ko) | 2017-03-16 |
CN108028692A (zh) | 2018-05-11 |
US11153050B2 (en) | 2021-10-19 |
KR20180041125A (ko) | 2018-04-23 |
US20200228266A1 (en) | 2020-07-16 |
EP3386113A4 (en) | 2019-06-26 |
EP3386113A1 (en) | 2018-10-10 |
KR102585493B1 (ko) | 2023-10-06 |
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