KR101197384B1 - 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 - Google Patents
무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 Download PDFInfo
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- KR101197384B1 KR101197384B1 KR1020100109980A KR20100109980A KR101197384B1 KR 101197384 B1 KR101197384 B1 KR 101197384B1 KR 1020100109980 A KR1020100109980 A KR 1020100109980A KR 20100109980 A KR20100109980 A KR 20100109980A KR 101197384 B1 KR101197384 B1 KR 101197384B1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/42—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means using frequency-mixing
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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
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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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
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
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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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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- 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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
도 2는 측정 패킷을 도시한 도면.
도 3은 측정 보고서 패킷을 도시한 도면.
도 4는 안테나 측정을 행하는 방법의 플로우차트.
도 5는 도 4에 도시된 방법의 신호도.
도 6은 안테나 측정을 행하는 제2 방법의 플로우차트.
도 7은 도 6에 도시된 방법의 신호도.
도 8은 물리 계층 수렴 프로토콜(physical layer convergence protocol: PLCP) 프레임 포맷을 도시한 도면.
도 9는 도 4 및 도 6에 도시된 방법에 따라 측정 정보를 통신하는 시스템을 도시한 도면.
912, 932 : 송신기/수신기
916, 936 : 측정 패킷 송신 장치
918, 938 : 측정 패킷 분석 장치
920 : 빔 변경 장치
922 : 측정 보고 분석 장치
934 : 측정 패킷 요청 수신 장치
940 : 측정 보고 생성 장치
Claims (23)
- 국(STA; station)에 대한 안테나 선택을 위한 방법에 있어서,
각각의 패킷에 대하여 상이한 안테나를 이용하여 복수의 측정 패킷들 - 상기 복수의 측정 패킷들 각각은 프레임간 간격(interframe space)에 의해 분리됨 - 을 수신하는 단계; 및
상기 복수의 측정 패킷들 각각의 측정에 기초하여 안테나를 선택하는 단계
를 포함하는 안테나 선택 방법. - 제1항에 있어서, 측정 패킷들의 수(a number of measurement packets)에 대한 요청을 전송하는 단계를 더 포함하는 안테나 선택 방법.
- 삭제
- 제1항에 있어서, 상기 프레임간 간격은 단기 프레임간 간격(SIFS; short interframe space)인 것인 안테나 선택 방법.
- 제1항에 있어서, 상기 복수의 측정 패킷들 각각의 측정은 상기 복수의 측정 패킷들 각각의 수신 신호 강도 표시자(RSSI; received signal strength indicator)를 측정하는 것을 포함하는 것인 안테나 선택 방법.
- 제5항에 있어서, 상기 안테나를 선택하는 단계는, 상기 복수의 측정 패킷들 각각의 측정된 수신 신호 강도 표시자(RSSI)에 기초하여 전송 안테나를 선택하는 단계를 포함하는 것인 안테나 선택 방법.
- 제1항에 있어서, 상기 복수의 측정 패킷들 각각의 측정은 상기 복수의 측정 패킷들 각각의 신호 대 잡음 비(SNR; signal to noise ratio)를 측정하는 것을 포함하는 것인 안테나 선택 방법.
- 제7항에 있어서, 상기 안테나를 선택하는 단계는, 상기 복수의 측정 패킷들 각각의 측정된 신호 대 잡음 비(SNR)에 기초하여 전송 안테나를 선택하는 단계를 포함하는 것인 안테나 선택 방법.
- 제1 국(STA; station)에 대한 안테나 선택을 위한 방법에 있어서,
복수의 측정 패킷들 - 상기 복수의 측정 패킷들은 상기 복수의 측정 패킷들 각각에 대하여 상이한 안테나를 이용하여 전송되고, 프레임간 간격(interframe space)이 상기 복수의 측정 패킷들 각각을 분리함 - 을 전송하는 단계;
제2 국으로부터 측정 리포트를 수신하는 단계; 및
상기 측정 리포트에 기초하여 안테나를 선택하는 단계
를 포함하는 안테나 선택 방법. - 삭제
- 제9항에 있어서, 상기 프레임간 간격은 단기 프레임간 간격(SIFS; short interframe space)인 것인 안테나 선택 방법.
- 국(STA; station)에 있어서,
제1 측정 패킷을 수신하도록 구성된 제1 안테나와,
상기 제1 안테나가 상기 제1 측정 패킷을 수신한 후, 제2 측정 패킷을 수신하도록 구성된 제2 안테나로서, 상기 제1 측정 패킷과 상기 제2 측정 패킷은 프레임간 간격(interframe space)에 의해 분리되는 것인, 상기 제2 안테나와,
상기 측정 패킷들 각각의 측정에 기초하여 전송 안테나를 선택하도록 구성된 선택기(selector)
를 포함하는 국. - 삭제
- 제12항에 있어서, 상기 프레임간 간격은 단기 프레임간 간격(SIFS; short interframe space)인 것인 국.
- 제1항에 있어서, 상기 복수의 측정 패킷들 각각은 수신 패킷들의 수를 나타내는 필드(field)를 포함하는 것인 안테나 선택 방법.
- 제9항에 있어서, 상기 복수의 측정 패킷들 각각은 수신 패킷들의 수를 나타내는 필드(field)를 포함하는 것인 안테나 선택 방법.
- 제12항에 있어서, 상기 제1 안테나는 수신 패킷들의 수를 나타내는 필드를 포함하는 제1 측정 패킷을 수신하도록 구성된 것인 국.
- 제12항에 있어서, 상기 제2 안테나는 수신 패킷들의 수를 나타내는 필드를 포함하는 제2 측정 패킷을 수신하도록 구성된 것인 국.
- 제12항에 있어서, 상기 국은 액세스 포인트(AP; access point)인 것인 국.
- 국(STA; station)에 있어서,
복수의 측정 패킷들 각각에 대하여 상이한 안테나를 사용하여 상기 복수의 측정 패킷들 - 프레임간 간격(interframe space)이 상기 복수의 측정 패킷들 각각을 분리함 - 을 전송하도록 구성된 송신기;
상기 복수의 측정 패킷들 중 적어도 하나의 측정 패킷에 기초하여 측정 보고를 수신하도록 구성된 수신기; 및
상기 측정 보고에 기초하여 안테나를 선택하도록 구성된 선택기
를 포함하는 국. - 제20항에 있어서, 상기 프레임간 간격은 단기 프레임간 간격(SIFS; short interframe space)인 것인 국.
- 제20항에 있어서, 상기 복수의 측정 패킷들 각각은 수신 패킷들의 수를 나타내는 필드(field)를 포함하는 것인 국.
- 제20항에 있어서, 상기 국은 액세스 포인트인 것인 국.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60921204P | 2004-09-10 | 2004-09-10 | |
| US60/609,212 | 2004-09-10 | ||
| US11/022,709 | 2004-12-27 | ||
| US11/022,709 US8995921B2 (en) | 2004-09-10 | 2004-12-27 | Measurement support for a smart antenna in a wireless communication system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050084385A Division KR20060074817A (ko) | 2004-09-10 | 2005-09-09 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정지원 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020110122527A Division KR101246621B1 (ko) | 2004-09-10 | 2011-11-22 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20100125206A KR20100125206A (ko) | 2010-11-30 |
| KR101197384B1 true KR101197384B1 (ko) | 2012-11-05 |
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Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050084385A Abandoned KR20060074817A (ko) | 2004-09-10 | 2005-09-09 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정지원 |
| KR2020050029777U Expired - Lifetime KR200406777Y1 (ko) | 2004-09-10 | 2005-10-20 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정지원 |
| KR1020100109980A Expired - Lifetime KR101197384B1 (ko) | 2004-09-10 | 2010-11-05 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020110122527A Expired - Fee Related KR101246621B1 (ko) | 2004-09-10 | 2011-11-22 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020120038805A Expired - Fee Related KR101328347B1 (ko) | 2004-09-10 | 2012-04-13 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020120085929A Expired - Fee Related KR101328239B1 (ko) | 2004-09-10 | 2012-08-06 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020120142684A Expired - Fee Related KR101387776B1 (ko) | 2004-09-10 | 2012-12-10 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020130041102A Abandoned KR20130044287A (ko) | 2004-09-10 | 2013-04-15 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020130120161A Expired - Fee Related KR101549943B1 (ko) | 2004-09-10 | 2013-10-08 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020140030941A Expired - Fee Related KR101605948B1 (ko) | 2004-09-10 | 2014-03-17 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050084385A Abandoned KR20060074817A (ko) | 2004-09-10 | 2005-09-09 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정지원 |
| KR2020050029777U Expired - Lifetime KR200406777Y1 (ko) | 2004-09-10 | 2005-10-20 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정지원 |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020110122527A Expired - Fee Related KR101246621B1 (ko) | 2004-09-10 | 2011-11-22 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020120038805A Expired - Fee Related KR101328347B1 (ko) | 2004-09-10 | 2012-04-13 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020120085929A Expired - Fee Related KR101328239B1 (ko) | 2004-09-10 | 2012-08-06 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020120142684A Expired - Fee Related KR101387776B1 (ko) | 2004-09-10 | 2012-12-10 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020130041102A Abandoned KR20130044287A (ko) | 2004-09-10 | 2013-04-15 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020130120161A Expired - Fee Related KR101549943B1 (ko) | 2004-09-10 | 2013-10-08 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
| KR1020140030941A Expired - Fee Related KR101605948B1 (ko) | 2004-09-10 | 2014-03-17 | 무선 통신 시스템 내에서의 스마트 안테나에 대한 측정 지원 |
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| TW (5) | TWI406448B (ko) |
| WO (1) | WO2006031499A2 (ko) |
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2013
- 2013-03-04 JP JP2013041972A patent/JP2013102553A/ja active Pending
- 2013-04-15 KR KR1020130041102A patent/KR20130044287A/ko not_active Abandoned
- 2013-10-08 KR KR1020130120161A patent/KR101549943B1/ko not_active Expired - Fee Related
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2014
- 2014-03-17 KR KR1020140030941A patent/KR101605948B1/ko not_active Expired - Fee Related
- 2014-11-20 JP JP2014235719A patent/JP5905561B2/ja not_active Expired - Lifetime
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2015
- 2015-02-18 US US14/624,865 patent/US9520930B2/en not_active Expired - Lifetime
- 2015-08-14 JP JP2015160190A patent/JP2015228698A/ja active Pending
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2016
- 2016-11-16 US US15/352,805 patent/US9967016B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004042983A2 (en) * | 2002-11-04 | 2004-05-21 | Vivato, Inc. | Forced beam switching in wireless communication systems having smart antennas |
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