JP2006524930A - 移動通信システムにおける信号送信方法 - Google Patents
移動通信システムにおける信号送信方法 Download PDFInfo
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- JP2006524930A JP2006524930A JP2006500682A JP2006500682A JP2006524930A JP 2006524930 A JP2006524930 A JP 2006524930A JP 2006500682 A JP2006500682 A JP 2006500682A JP 2006500682 A JP2006500682 A JP 2006500682A JP 2006524930 A JP2006524930 A JP 2006524930A
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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
-
- 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
- H04B7/0667—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 delayed versions of same signal
- H04B7/0671—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 delayed versions of same signal using different delays between antennas
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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
-
- 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
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
-
- 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
-
- 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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Radio Transmission System (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (18)
- 多重アンテナ間の相関度に応じて前記多重アンテナにビットマッピングされたシンボルを割り当てる段階から構成されることを特徴とする多重アンテナを利用した信号送信方法。
- 前記ビットマッピングされたシンボルの割り当ては、前記ビットマッピングされたシンボルを再送信するときに発生することを特徴とする請求項1に記載の多重アンテナを利用した信号送信方法。
- 前記ビットマッピングされたシンボルの割り当ては、
相互相関度の高いアンテナから送信されたビットマッピングされたシンボルを割り当てることで相互相関度の低いアンテナから再送信させ、相互相関度の低いアンテナから送信されたビットマッピングされたシンボルを割り当てることで相互相関度の高いアンテナから再送信させることを特徴とする請求項1に記載の多重アンテナを利用した信号送信方法。 - 前記多重アンテナは、4つのアンテナのアレイを含み、
最初に内側の2つのアンテナから送信されたシンボルは外側の2つのアンテナから再送信され、最初に外側の2つのアンテナから送信されたシンボルは内側の2つのアンテナから再送信されることを特徴とする請求項1に記載の多重アンテナを利用した信号送信方法。 - 前記ビットマッピングされたシンボルを割り当てる前に前記ビットマッピングされたシンボルのビットのビット信頼度によって前記ビットマッピングされたシンボルをマッピングする段階をさらに含むことを特徴とする請求項1に記載の多重アンテナを利用した信号送信方法。
- 前記ビットマッピングされたシンボルの割り当ては、
コンステレーションにおいて最も遠く離れているシンボル対を相互相関度の高いアンテナ対に割り当て、前記コンステレーションにおいて最も近いシンボル対を相互相関度の低いアンテナ対に割り当てることを特徴とする請求項1に記載の多重アンテナを利用した信号送信方法。 - 前記ビットマッピングされたシンボルの割り当ては、
コンステレーションにおける残りのシンボルを全ての多重アンテナに均一に割り当てることを特徴とする請求項6に記載の多重アンテナを利用した信号送信方法。 - 前記ビットマッピングされたシンボルの割り当ては、
前記多重アンテナ間の相関度と共に各シンボルの検出効率によって前記多重アンテナに前記ビットマッピングされたシンボルを割り当てることを特徴とする請求項1に記載の多重アンテナを利用した信号送信方法。 - 前記ビットマッピングされたシンボルの割り当ては、
検出効率の高いビットマッピングされたシンボルを相互相関度の高いアンテナに割り当て、検出効率の低いビットマッピングされたシンボルを相互相関度の低いアンテナに割り当てることを特徴とする請求項8に記載の多重アンテナを利用した信号送信方法。 - 多重アンテナ間の相関度に応じて前記多重アンテナにビットマッピングされたシンボルを割り当てる処理器を含むことを特徴とする多重アンテナを利用した信号送信装置。
- 前記処理器は、ビットマッピングされたシンボルの再送信時、前記ビットマッピングされたシンボルを割り当てることを特徴とする請求項10に記載の多重アンテナを利用した信号送信装置。
- 前記処理器は、相互相関度の高いアンテナから送信されたビットマッピングされたシンボルを割り当てることで相互相関度の低いアンテナから再送信させ、相互相関度の低いアンテナから送信されたビットマッピングされたシンボルを割り当てことで相互相関度の高いアンテナから再送信させることを特徴とする請求項10に記載の多重アンテナを利用した信号送信装置。
- 前記多重アンテナは、4つのアンテナのアレイを含み、
最初に内側の2つのアンテナから送信されたシンボルは外側の2つのアンテナから再送信され、最初に外側の2つのアンテナから送信されたシンボルは内側の2つのアンテナから再送信されることを特徴とする請求項10に記載の多重アンテナを利用した信号送信装置。 - 前記処理器が前記ビットマッピングされたシンボルを割り当てる前に前記ビットマッピングされたシンボルのビットのビット信頼度によって前記ビットマッピングされたシンボルをマッピングするビットマッピング部をさらに含むことを特徴とする請求項10に記載の多重アンテナを利用した信号送信装置。
- 前記処理器は、コンステレーションにおいて最も遠く離れているシンボル対を相互相関度の高いアンテナ対に割り当て、前記コンステレーションにおいて最も近いシンボル対を相互相関度の低いアンテナ対に割り当てることを特徴とする請求項10に記載の多重アンテナを利用した信号送信装置。
- 前記処理器は、コンステレーションにおける残りのシンボルを全ての多重アンテナに均一に割り当てることを特徴とする請求項15に記載の多重アンテナを利用した信号送信装置。
- 前記処理器は、前記多重アンテナ間の相関度と共に各シンボルの検出効率によって前記多重アンテナに前記ビットマッピングされたシンボルを割り当てることを特徴とする請求項10に記載の多重アンテナを利用した信号送信装置。
- 前記処理器は、検出効率の高いビットマッピングされたシンボルを相互相関度の高いアンテナに割り当て、検出効率の低いビットマッピングされたシンボルを相互相関度の低いアンテナに割り当てることを特徴とする請求項17に記載の多重アンテナを利用した信号送信装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030027144A KR100942645B1 (ko) | 2003-04-29 | 2003-04-29 | 이동통신 시스템에서의 신호전송 방법 및 장치 |
PCT/KR2004/000988 WO2004098091A1 (en) | 2003-04-29 | 2004-04-29 | Signal transmitting method in mobile communication system |
Publications (2)
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JP2006524930A true JP2006524930A (ja) | 2006-11-02 |
JP4351246B2 JP4351246B2 (ja) | 2009-10-28 |
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JP2006500682A Expired - Fee Related JP4351246B2 (ja) | 2003-04-29 | 2004-04-29 | 移動通信システムにおける信号送信方法 |
Country Status (6)
Country | Link |
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US (1) | US7515649B2 (ja) |
EP (1) | EP1618678B1 (ja) |
JP (1) | JP4351246B2 (ja) |
KR (1) | KR100942645B1 (ja) |
CN (1) | CN1781265B (ja) |
WO (1) | WO2004098091A1 (ja) |
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2004
- 2004-04-29 EP EP04730372A patent/EP1618678B1/en not_active Expired - Lifetime
- 2004-04-29 JP JP2006500682A patent/JP4351246B2/ja not_active Expired - Fee Related
- 2004-04-29 WO PCT/KR2004/000988 patent/WO2004098091A1/en active Application Filing
- 2004-04-29 US US10/834,210 patent/US7515649B2/en not_active Expired - Fee Related
- 2004-04-29 CN CN2004800115207A patent/CN1781265B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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JP4351246B2 (ja) | 2009-10-28 |
US20040264593A1 (en) | 2004-12-30 |
EP1618678B1 (en) | 2013-01-23 |
WO2004098091A1 (en) | 2004-11-11 |
CN1781265B (zh) | 2010-06-02 |
EP1618678A1 (en) | 2006-01-25 |
CN1781265A (zh) | 2006-05-31 |
EP1618678A4 (en) | 2010-03-31 |
KR100942645B1 (ko) | 2010-02-17 |
KR20040092826A (ko) | 2004-11-04 |
US7515649B2 (en) | 2009-04-07 |
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