JP6587781B2 - 送信装置、受信装置および無線通信システム - Google Patents
送信装置、受信装置および無線通信システム Download PDFInfo
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- JP6587781B2 JP6587781B2 JP2019524667A JP2019524667A JP6587781B2 JP 6587781 B2 JP6587781 B2 JP 6587781B2 JP 2019524667 A JP2019524667 A JP 2019524667A JP 2019524667 A JP2019524667 A JP 2019524667A JP 6587781 B2 JP6587781 B2 JP 6587781B2
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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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0637—Properties of the code
- H04L1/0643—Properties of the code block codes
-
- 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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
- H04B7/06—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
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J13/18—Allocation of orthogonal codes
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
図1は、本発明の実施の形態にかかる無線通信システムの構成例を示す図である。図1に示すように、本実施の形態の無線通信システム10は、基地局1−1,1−2と、移動局3と、制御局4とを備える。
Claims (8)
- 送信シンボルを時空間符号化することにより送信ブロックを生成する時空間符号化部と、
前記送信ブロックに対して差動処理を行う差動部と、
前記送信ブロックに符号を乗算する符号乗算部と、
前記差動処理後の前記送信ブロックと前記符号乗算後の前記送信ブロックとのうちいずれか一方を選択する選択部と、
前記選択された前記送信ブロックを送信する送信部と、
を備えることを特徴とする送信装置。 - 前記送信ブロックは、干渉測定用の干渉測定ビットで構成される干渉測定ブロックを含み、
前記符号乗算部は、前記干渉測定ブロックに前記符号を乗算することを特徴とする請求項1に記載の送信装置。 - 前記送信ブロックは、送信される情報を示すデータで構成されるデータブロックを含み、
前記差動部は、前記データブロックに前記差動処理を行うことを特徴とする請求項2に記載の送信装置。 - 同一の前記干渉測定ブロックが2つ連続して送信されることを特徴とする請求項2または3に記載の送信装置。
- 前記符号は、前記送信装置ごとに決定されることを特徴とする請求項1から4のいずれか1つに記載の送信装置。
- 複数の請求項1から5のいずれか1つに記載の送信装置から送信された信号を受信可能な受信装置であって、
複数の前記送信装置から送信された信号を含む受信信号を受信する複数の受信アンテナと、
前記受信信号から干渉源となる前記送信装置から送信された信号である干渉信号を分離し、前記受信アンテナごとに前記干渉信号の伝送路を推定する伝送路推定部と、
前記伝送路の推定結果を用いて、複数の前記受信アンテナのうちの1つである第1の受信アンテナによって受信された前記受信信号における干渉信号を、前記第1の受信アンテナ以外の前記受信アンテナである第2の受信アンテナにより受信された前記受信信号を用いて除去する干渉除去部と、
を備えることを特徴とする受信装置。 - 前記伝送路推定部は、前記受信信号に含まれる干渉測定用の干渉測定ビットを用いて干渉信号の伝送路を推定することを特徴とする請求項6に記載の受信装置。
- 複数の請求項1から5のいずれか1つに記載の送信装置と、
前記送信装置から送信された信号を受信可能な請求項6または7に記載の受信装置と、
を備えることを特徴とする無線通信システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/022153 WO2018229943A1 (ja) | 2017-06-15 | 2017-06-15 | 送信装置、受信装置および無線通信システム |
Publications (2)
Publication Number | Publication Date |
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JP6587781B2 true JP6587781B2 (ja) | 2019-10-09 |
JPWO2018229943A1 JPWO2018229943A1 (ja) | 2019-11-21 |
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JP2019524667A Active JP6587781B2 (ja) | 2017-06-15 | 2017-06-15 | 送信装置、受信装置および無線通信システム |
Country Status (5)
Country | Link |
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US (1) | US11218252B2 (ja) |
EP (1) | EP3624375A4 (ja) |
JP (1) | JP6587781B2 (ja) |
CN (1) | CN110741582A (ja) |
WO (1) | WO2018229943A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11218252B2 (en) * | 2017-06-15 | 2022-01-04 | Mitsubishi Electric Corporation | Transmission device, receiving device, and wireless communication system |
Families Citing this family (1)
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JP7053965B1 (ja) * | 2021-03-24 | 2022-04-12 | 三菱電機株式会社 | 送信装置、受信装置、通信装置、無線通信システム、制御回路、記憶媒体、送信方法および受信方法 |
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2017
- 2017-06-15 EP EP17913139.6A patent/EP3624375A4/en not_active Withdrawn
- 2017-06-15 JP JP2019524667A patent/JP6587781B2/ja active Active
- 2017-06-15 CN CN201780091746.XA patent/CN110741582A/zh active Pending
- 2017-06-15 US US16/606,432 patent/US11218252B2/en active Active
- 2017-06-15 WO PCT/JP2017/022153 patent/WO2018229943A1/ja unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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Publication number | Publication date |
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EP3624375A1 (en) | 2020-03-18 |
CN110741582A (zh) | 2020-01-31 |
JPWO2018229943A1 (ja) | 2019-11-21 |
WO2018229943A1 (ja) | 2018-12-20 |
EP3624375A4 (en) | 2020-06-03 |
US11218252B2 (en) | 2022-01-04 |
US20210111834A1 (en) | 2021-04-15 |
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