KR20140112590A - 무선통신시스템에서 효율적인 전송 전력 할당 방법 및 장치 - Google Patents
무선통신시스템에서 효율적인 전송 전력 할당 방법 및 장치 Download PDFInfo
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- KR20140112590A KR20140112590A KR1020130025480A KR20130025480A KR20140112590A KR 20140112590 A KR20140112590 A KR 20140112590A KR 1020130025480 A KR1020130025480 A KR 1020130025480A KR 20130025480 A KR20130025480 A KR 20130025480A KR 20140112590 A KR20140112590 A KR 20140112590A
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- signal
- transmission power
- channel
- wireless communication
- weight vector
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004891 communication Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 239000013598 vector Substances 0.000 claims abstract description 28
- 238000013507 mapping Methods 0.000 claims abstract description 7
- 230000011664 signaling Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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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
- H04B7/0613—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
- H04B7/0617—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
도 2는 다중 사용자 전송 방식에서의 전송 구조를 나타내는 도면이다.
도 3은 본 발명의 일실시예에 있어서, 송신 전력 할당 방법을 나타내는 흐름도이다.
도 4는 본 발명이 적용되는 STA의 송신기를 나타내는 블록도이다.
도 5는 본 발명의 일실시예에 있어서, 무선 통신망에서의 송신 구조를 나타내는 도면이다.
도 6은 본 발명이 적용되는 수신기의 구조를 나타내는 블록도이다.
Claims (1)
- 무선통신시스템에서 송신 전력을 할당하는 방법에 있어서,
AP(Access Point)가 복수개의 스테이션으로부터 전송되는 신호와 상기 스테이션의 채널 정보를 수신하는 단계;
상기 수신한 신호 중 동시 전송할 신호를 결정하는 단계;
상기 수신한 채널 정보를 기초로 빔포밍을 위한 채널 가중치 벡터와 상기 동시 전송할 신호의 송신 전력을 계산하는 단계;
상기 계산된 채널 가중치 벡터를 상기 결정된 신호와 공간 매핑하는 단계; 및
상기 결정된 송신 전력을 기초로 상기 공간 매핑된 신호의 송신 전력을 제어하는 단계
를 포함하는 전력 할당 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130025480A KR101735145B1 (ko) | 2013-03-11 | 2013-03-11 | 무선통신시스템에서 효율적인 전송 전력 할당 방법 및 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130025480A KR101735145B1 (ko) | 2013-03-11 | 2013-03-11 | 무선통신시스템에서 효율적인 전송 전력 할당 방법 및 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20140112590A true KR20140112590A (ko) | 2014-09-24 |
KR101735145B1 KR101735145B1 (ko) | 2017-05-25 |
Family
ID=51757393
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Application Number | Title | Priority Date | Filing Date |
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KR1020130025480A Active KR101735145B1 (ko) | 2013-03-11 | 2013-03-11 | 무선통신시스템에서 효율적인 전송 전력 할당 방법 및 장치 |
Country Status (1)
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KR (1) | KR101735145B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101657897B1 (ko) * | 2015-05-28 | 2016-09-20 | 인하대학교 산학협력단 | 간섭채널에서 정보와 전력 전송을 하는 방법 및 시스템 |
US11496196B2 (en) | 2018-02-14 | 2022-11-08 | Samsung Electronics Co., Ltd. | Apparatus and method for determining transmission power in wireless communication system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102426981B1 (ko) | 2020-08-04 | 2022-07-28 | 연세대학교 산학협력단 | 무선 전력 전송 효율을 향상시키기 위한 무선 전력 전송 시스템의 송신 장치 및 방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7826471B2 (en) * | 2003-03-11 | 2010-11-02 | Nortel Networks Limited | Multi-beam cellular communication system |
US7627347B2 (en) * | 2006-03-17 | 2009-12-01 | Nokia Corporation | Data transmission parameter optimization in MIMO communications system |
US20110205913A1 (en) * | 2010-02-23 | 2011-08-25 | Qualcomm Incorporated | Beamforming and sdma methods for wireless lan and other applications |
-
2013
- 2013-03-11 KR KR1020130025480A patent/KR101735145B1/ko active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101657897B1 (ko) * | 2015-05-28 | 2016-09-20 | 인하대학교 산학협력단 | 간섭채널에서 정보와 전력 전송을 하는 방법 및 시스템 |
US11496196B2 (en) | 2018-02-14 | 2022-11-08 | Samsung Electronics Co., Ltd. | Apparatus and method for determining transmission power in wireless communication system |
Also Published As
Publication number | Publication date |
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KR101735145B1 (ko) | 2017-05-25 |
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