KR101419925B1 - 다중포트 네트워크를 관통하여 광대역 신호를 빔성형하는 방법 및 시스템 - Google Patents
다중포트 네트워크를 관통하여 광대역 신호를 빔성형하는 방법 및 시스템 Download PDFInfo
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- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H04B7/00—Radio transmission systems, i.e. using radiation field
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- 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
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Abstract
Description
도 2는 본 발명의 실시예에 따라 대표적인 무선 가입자 트랜시버의 부분들을 도시한 블록도이다.
도 3은 본 발명의 실시예에 관련하여 송신 안테나당 일정 파워로 위상 빔성형 하기 위한 달성가능한 어레이 이득들의 예를 보인 블록도이다.
도 4는 본 발명의 실시예에 관련하여 90도 직교 하이브리드(quadrature hybrid)로서 알려진 다중포트 네트워크의 예를 도시한 블록도이다.
도 5는 본 발명의 실시예에 따라 대표적인 무선 가입자 트랜시버의 부분들을 도시한 블록도이다.
도 6은 본 발명의 실시예에 따라 다중포트 네트워크를 사용하여 위상 빔성형 하기 위한 달성가능한 어레이 이득들의 예를 보인 블록도이다.
도 7은 본 발명의 실시예에 따라 위상 빔성형을 하기 위한 달성가능한 어레이 이득들을 다중포트 네트워크를 사용한 것과 사용하지 않는 경우를 비교한 것이다.
도 8은 본 발명의 실시예에 따라 대표적인 무선 가입자 트랜시버의 부분들을 도시한 블록도이다.
도 9는 본 발명의 실시예에 따라 대표적인 무선 가입자 트랜시버의 부분들을 도시한 블록도이다.
도 10은 본 발명의 실시예에 따라 대표적인 무선 가입자 트랜시버의 부분들을 도시한 블록도이다.
도 11은 본 발명의 실시예에 따라 대표적인 다입력-다출력(MIMO : muitiple-input-multiple-output) 통신 시스템을 도시한 블록도이다.
도 12는 본 발명의 실시예에 따라 무선 가입자 트랜시버를 동작시키기 위한 대표적인 단계들을 도시한 흐름도이다.
Claims (20)
- 통신 장치에서 사용하기 위한 하나 이상의 회로들로서, 상기 하나 이상의 회로들은
복수의 안테나들을 통해 수신된 복수의 신호들 각각의 위상을 검출하고,
복수의 송신 신호들을 발생 시키며, 상기 복수의 송신 신호들 중 적어도 하나의 위상은 상기 수신된 신호들의 상기 검출된 위상들 중 적어도 하나에 기초하여 결정되고,
상기 발생된 복수의 송신 신호들 각각을 개별적으로 증폭하여 복수의 증폭된 신호들을 발생 시키고;
복수의 증폭된 신호들을 다중포트 네트워크(multi-port network)의 복수의 제 1 포트들에 입력하며, 상기 다중포트 네트워크의 제 2 포트들 중 적어도 하나는 상기 복수의 제 1 포트들 중 적어도 2개에 입력되는 신호들에 기초하여 결정되도록 동작가능하고, 상기 다중포트 네트워크는 직교 하이브리드(quadrature hybrid)인, 광대역 신호를 빔성형하는 시스템. - 청구항 1에 있어서,
상기 송신 신호들은 하나 이상의 공간 스트림(spatial stream)들에 대응하는, 광대역 신호를 빔성형하는 시스템. - 청구항 1에 있어서,
상기 하나 이상의 회로들은 상기 송신 신호들에 대응하는 하나 이상의 공간 스트림들 각각이 다른 가중치(weight)를 이용하여 가중하도록 동작가능한, 광대역 신호를 빔성형하는 시스템. - 청구항 1에 있어서,
상기 수신 신호들은 상기 다중포트 네트워크를 관통하는, 광대역 신호를 빔성형하는 시스템. - 삭제
- 청구항 1에 있어서,
상기 하나 이상의 회로들은 하나 이상의 동축 스위치들을 포함하며;
상기 복수의 증폭된 신호들 중 적어도 하나는 상기 다중포트 네트워크에 입력되기 전에 상기 하나 이상의 동축 스위치들을 관통하는, 광대역 신호를 빔성형하는 시스템. - 청구항 1에 있어서,
상기 하나 이상의 회로들은 하나 이상의 방향성 커플러(directional coupler)들 및 하나 이상의 대응하는 송신/수신(T/R) 스위치들을 포함하며;
상기 하나 이상의 방향성 커플러들이 상기 복수의 안테나들 중 하나와 하나 이상의 대응하는 경로들 내 하나 이상의 대응하는 송신/수신(T/R) 스위치들 사이에 위치되는, 광대역 신호를 빔성형하는 시스템. - 청구항 7에 있어서,
상기 하나 이상의 회로들은 상기 하나 이상의 방향성 커플러들로부터 대응하는 신호들에 기초하여 상기 복수의 증폭된 신호들 각각의 위상 또는 진폭을 측정하도록 동작가능한, 광대역 신호를 빔성형하는 시스템. - 청구항 7에 있어서,
상기 하나 이상의 회로들은 상기 복수의 방향성 커플러들 중 하나 이상에 인가되는 하나 이상의 교정 신호들을 이용하여 상기 수신 신호들의 진폭 또는 위상을 측정하도록 동작가능한, 광대역 신호를 빔성형하는 시스템. - 삭제
- 복수의 안테나들을 통해 수신된 복수의 신호들 각각의 위상을 검출하는 단계;
복수의 송신 신호들을 발생 시키는 단계로서, 상기 복수의 송신 신호들 중 적어도 하나의 위상은 상기 수신된 신호들의 상기 검출된 위상들 중 적어도 하나에 기초하여 결정되는 것인, 단계;
상기 발생된 복수의 송신 신호들 각각을 개별적으로 증폭하여 복수의 증폭된 신호들을 발생 시키는 단계; 및
복수의 증폭된 신호들을 다중포트 네트워크(multi-port network)의 복수의 제 1 포트들에 입력하는 단계로서, 상기 다중포트 네트워크의 제 2 포트들 중 적어도 하나는 상기 복수의 제 1 포트들 중 적어도 두 개에 입력되는 신호들에 기초하여 결정되는 것인, 단계;를 포함하고, 상기 다중포트 네트워크는 직교 하이브리드(quadrature hybrid)인, 광대역 신호를 빔성형하는 방법. - 청구항 11에 있어서,
상기 송신 신호들은 하나 이상의 공간 스트림(spatial stream)들에 대응하는, 광대역 신호를 빔성형하는 방법. - 청구항 11에 있어서,
상기 송신 신호들에 대응하는 하나 이상의 공간 스트림들 각각이 다른 가중치(weight)를 이용하는 가중 단계;를 포함하는, 광대역 신호를 빔성형하는 방법. - 청구항 11에 있어서,
상기 수신 신호들은 상기 다중포트 네트워크를 관통하는, 광대역 신호를 빔성형하는 방법. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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WOPCT/US2011/021536 | 2011-01-18 | ||
PCT/US2011/021536 WO2011088452A1 (en) | 2010-01-18 | 2011-01-18 | Multiple antenna signal transmission |
PCT/US2011/024111 WO2011097651A1 (en) | 2010-02-08 | 2011-02-08 | Method and system of beamforming a broadband signal through a multiport network |
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KR1020127023508A Expired - Fee Related KR101355055B1 (ko) | 2010-02-08 | 2011-02-08 | 다중-안테나 무선 통신 시스템에서 업링크 빔성형 교정을 위한 방법 및 시스템 |
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US9312929B2 (en) | 2004-04-02 | 2016-04-12 | Rearden, Llc | System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS) |
US8654815B1 (en) | 2004-04-02 | 2014-02-18 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
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CN102835039B (zh) | 2015-12-16 |
US20130230005A1 (en) | 2013-09-05 |
WO2011097651A1 (en) | 2011-08-11 |
US20110195670A1 (en) | 2011-08-11 |
KR20120128668A (ko) | 2012-11-27 |
CN102834731A (zh) | 2012-12-19 |
KR101355055B1 (ko) | 2014-01-24 |
EP2534766A1 (en) | 2012-12-19 |
KR20120125522A (ko) | 2012-11-15 |
EP2534766A4 (en) | 2013-08-21 |
US8428529B2 (en) | 2013-04-23 |
WO2011097652A1 (en) | 2011-08-11 |
CN102835039A (zh) | 2012-12-19 |
HK1179773A1 (zh) | 2013-10-04 |
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