JP5305408B2 - 通信システムにおける信号の送受信方法及び装置 - Google Patents
通信システムにおける信号の送受信方法及び装置 Download PDFInfo
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- JP5305408B2 JP5305408B2 JP2009547165A JP2009547165A JP5305408B2 JP 5305408 B2 JP5305408 B2 JP 5305408B2 JP 2009547165 A JP2009547165 A JP 2009547165A JP 2009547165 A JP2009547165 A JP 2009547165A JP 5305408 B2 JP5305408 B2 JP 5305408B2
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- Prior art keywords
- antenna
- receiver
- transmitter
- snr
- signal
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Classifications
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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
- H04B7/0602—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 antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
- H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
-
- 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
- H04B7/0617—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 for beam forming
-
- 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
-
- 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
- H04L1/0001—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
-
- 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
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
-
- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
105:受信機
201:変調部
203:スイッチング制御部
301:送受信部
305:スイッチング決定部
307:変調モード決定部
Claims (2)
- 多数のミリ波アンテナを含む送信機における信号の送受信方法であって、
前記送信機で前記多数のミリ波アンテナのうちのいずれか一つのアンテナを通じて、前記受信機に前記多数のミリ波アンテナ数の情報及び送信アンテナの切り替えの可否を決定するための基準値を含む多重送信アンテナモード情報を含む信号を送信する段階と、
前記受信機から、前記送信アンテナの切り替えを指示するアンテナスイッチング指示子及び変調モードインデックスを受信する段階と、
前記アンテナスイッチング指示子により、前記多数のミリ波アンテナのうちで前記送信アンテナを切り替えた後、切り替えられたミリ波アンテナを通じて、前記変調モードインデックスに相応する変調モードで信号を前記受信機に伝送する段階とを含み、
前記多数のミリ波アンテナは、各々が互いに異なる方向性を指向して、その結合が既設定された範囲の方位に対するミリ波アンテナのように見られるように構成され、
前記切り替えられたミリ波アンテナは、切り替え前のミリ波アンテナと互いに異なる指向性を有し、
前記受信機は、受信された信号のSNRを測定した後、前記SNRが前記基準値より小さい場合、前記アンテナスイッチング指示子を前記送信機にフィードバックし、
前記送信機と前記受信機は前記ミリ波に基づくWPAN(Wireless Personal Area Network)システムに適用されることを特徴とする信号の送受信方法。 - 前記受信機により受信された信号のSNRが、変調モードの決定のための境界値、γTn(ここで、n=N、N−1、…、2)と比較して、前記SNRがγTn+1より小さく、γTnより大きい場合、前記変調モードインデックスは、nに決定されることを特徴とする請求項1に記載の信号の送受信方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20070009533 | 2007-01-30 | ||
KR10-2007-0009533 | 2007-01-30 | ||
PCT/KR2008/000328 WO2008093948A1 (en) | 2007-01-30 | 2008-01-18 | Method and apparatus for transmitting and receiving a signal in a communication system |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012043452A Division JP5305425B2 (ja) | 2007-01-30 | 2012-02-29 | 通信システムにおける信号の送受信方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010517407A JP2010517407A (ja) | 2010-05-20 |
JP5305408B2 true JP5305408B2 (ja) | 2013-10-02 |
Family
ID=39674218
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009547165A Expired - Fee Related JP5305408B2 (ja) | 2007-01-30 | 2008-01-18 | 通信システムにおける信号の送受信方法及び装置 |
JP2012043452A Expired - Fee Related JP5305425B2 (ja) | 2007-01-30 | 2012-02-29 | 通信システムにおける信号の送受信方法及び装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012043452A Expired - Fee Related JP5305425B2 (ja) | 2007-01-30 | 2012-02-29 | 通信システムにおける信号の送受信方法及び装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8712341B2 (ja) |
EP (1) | EP2104982A4 (ja) |
JP (2) | JP5305408B2 (ja) |
KR (1) | KR100957854B1 (ja) |
WO (1) | WO2008093948A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4817340B2 (ja) * | 2009-05-26 | 2011-11-16 | 株式会社日本自動車部品総合研究所 | 車室内無線通信装置 |
GB2514174B (en) * | 2013-05-17 | 2015-12-02 | Cambium Networks Ltd | Improvements to adaptive modulation |
US10038569B2 (en) * | 2016-03-29 | 2018-07-31 | Intel IP Corporation | Self-adapting baud rate |
CN107884792A (zh) * | 2016-09-29 | 2018-04-06 | 上海华测导航技术股份有限公司 | 一种gnss接收机天线信号切换装置及切换方法 |
JP7013664B2 (ja) | 2017-03-24 | 2022-02-01 | 富士フイルムビジネスイノベーション株式会社 | データ送信システムおよびプログラム |
KR101969149B1 (ko) * | 2017-08-21 | 2019-04-16 | 국방과학연구소 | 지향/무지향 복합 안테나 기반 기지국 장치 |
KR101989611B1 (ko) * | 2017-09-20 | 2019-06-17 | 성균관대학교산학협력단 | 듀얼 모드를 이용한 무선 전력전송장치, 무선 전력수신장치, 무선 전력송신방법, 무선 전력수신방법 및 무선 전력전송시스템과 그 기록 매체 |
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JP2002026796A (ja) * | 1998-04-07 | 2002-01-25 | Matsushita Electric Ind Co Ltd | 無線通信装置及び無線通信システム |
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-
2008
- 2008-01-18 KR KR1020080005840A patent/KR100957854B1/ko not_active IP Right Cessation
- 2008-01-18 WO PCT/KR2008/000328 patent/WO2008093948A1/en active Application Filing
- 2008-01-18 US US12/525,290 patent/US8712341B2/en not_active Expired - Fee Related
- 2008-01-18 EP EP08704861.7A patent/EP2104982A4/en not_active Withdrawn
- 2008-01-18 JP JP2009547165A patent/JP5305408B2/ja not_active Expired - Fee Related
-
2012
- 2012-02-29 JP JP2012043452A patent/JP5305425B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP5305425B2 (ja) | 2013-10-02 |
US8712341B2 (en) | 2014-04-29 |
JP2010517407A (ja) | 2010-05-20 |
KR20080071488A (ko) | 2008-08-04 |
JP2012147456A (ja) | 2012-08-02 |
KR100957854B1 (ko) | 2010-05-14 |
EP2104982A1 (en) | 2009-09-30 |
US20100075617A1 (en) | 2010-03-25 |
WO2008093948A1 (en) | 2008-08-07 |
EP2104982A4 (en) | 2016-02-24 |
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