KR20060129527A - 무선통신에서 다중―안테나 수신 다이버시티 제어 - Google Patents
무선통신에서 다중―안테나 수신 다이버시티 제어 Download PDFInfo
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- KR20060129527A KR20060129527A KR1020067020816A KR20067020816A KR20060129527A KR 20060129527 A KR20060129527 A KR 20060129527A KR 1020067020816 A KR1020067020816 A KR 1020067020816A KR 20067020816 A KR20067020816 A KR 20067020816A KR 20060129527 A KR20060129527 A KR 20060129527A
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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
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path 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
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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
- H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
- H04B7/0877—Hybrid systems, i.e. switching and combining using subgroups of receive antennas switching off a diversity branch, e.g. to save power
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
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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)
- Radio Transmission System (AREA)
Abstract
Description
Claims (20)
- 주 수신기;무선 장치에서 다중-안테나 수신 다이버시티에 적합한 제 2수신기;상기 제 2수신기에 접속되고, 상기 제 2수신기를 인에이블 및 디스에이블하는 다이버시티 제어기를 포함하며,상기 다이버시티 제어기는,상기 무선장치의 사용용량을 추정하는 제 1추정기,네트워크 용량의 부하를 추정하는 제 2추정기, 및상기 무선장치의 추정된 사용용량 및 상기 추정된 네트워크 용량의 부하에 대한 함수로서 상기 제 2수신기를 인에이블하는 제어수단을 포함하는, 무선장치.
- 제 1항에 있어서, 상기 무선장치의 추정된 사용용량은 ECT/IOR으로서 주어지며, 상기 IOR은 상기 네트워크에서 송신기로부터 전송하는 모든 채널들의 칩당 전체 에너지를 나타내며, 상기 ECT는 트래픽 채널의 칩당 에너지를 나타내는, 무선장치.
- 제 2항에 있어서, 상기 네트워크 용량의 추정된 부하는 IOR/ECP로서 주어지 며, 상기 IOR은 네트워크에서 상기 송신기로부터 전송하는 모든 채널에 대한 칩당 전체 에너지를 나타내며, 상기 ECP는 파일럿 신호의 칩당 에너지를 나타내는, 무선장치.
- 제 3항에 있어서, 상기 제어 수단은 다음과 같이 용량 추정을 계산하며,용량추정 = IOR/ECP+ECT/IOR이며,상기 제 2수신기의 인에이블은 상기 용량 추정의 함수인, 무선장치.
- 제 4항에 있어서, 상기 제어수단은 다음과 같이 가중된 용량 추정을 계산하며,용량추정 = α1IOR/ECP+α2ECT/IOR이며,상기 α1 및 α2 는 네트워크 용량의 부하 및 상기 무선장치의 사용용량에 각각 대응하는 가중된 파라미터들이며,상기 제 2수신기의 인에이블은 상기 가중된 용량 추정의 함수인, 무선장치.
- 제 2항에 있어서, 상기 제어수단은 상기 용량추정의 함수로서 상기 제 2수신기를 디스에이블하는, 무선장치.
- 제 1항에 있어서, 상기 제 2추정기는 상기 무선장치에 대한 전체 전력 할당을 추정하며, 상기 무선장치에 대한 추정된 전체 전력 할당은 기준과 비교하며, 상기 제어수단은 상기 비교에 응답하여 상기 제 2수신기를 인에이블하는, 무선장치.
- 제 1항에 있어서, 상기 제 2수신기를 디스에이블할때 초기화되는 타이머를 더 포함하며;상기 타이머의 종료시에, 상기 제어수단은 제 2 수신기를 인에이블하는, 무선장치.
- 주 수신기;무선 장치에서 다중-안테나 수신 다이버시티에 적합한 제 2수신기; 및상기 제 2수신기에 접속되고, 상기 제 2수신기를 인에이블 및 디스에이블하는 다이버시티 제어기를 포함하며,상기 다이버시티 제어기는,상기 무선 장치의 파라미터를 추정하는 제 1추정기,네트워크의 파라미터를 추정하는 제 2추정기, 및상기 추정된 파라미터들의 함수로서 상기 제 2수신기를 인에이블하는 제어수단을 포함하는, 무선장치.
- 제 9항에 있어서, 상기 제 1추정기는 트래픽 에너지를 추정하며;상기 제 2추정기는 파일럿 에너지를 추정하며;상기 제어수단은 추정된 트래픽 에너지 대 추정된 파일럿 에너지의 비에 대한 함수로서 상기 제 2수신기를 인에이블하는, 무선장치.
- 제 10항에 있어서, 상기 추정된 트래픽 에너지 대 추정된 파일럿 에너지의 비는 전력 제어 비트들(PCB)로부터의 추정치들에 기초하여 계산되는, 무선장치.
- 제 11항에 있어서, 상기 추정된 트래픽 에너지 대 추정된 파일럿 에너지의 비는 순방향 링크상의 전력 제어 부채널로부터 추정되는, 무선장치.
- 제 12항에 있어서, 상기 제 1추정기는 상기 전력 제어 부채널의 전력 제어 비트 진폭을 추정하며, 등가 에너지 진폭으로 평균 진폭을 스케일링하는, 무선장치.
- 제 9항에 있어서, 상기 제 1추정기는 잡음 에너지를 추정하며;상기 제 2추정기는 파일럿 에너지를 추정하며;상기 제어수단은 상기 추정된 잡음 에너지 대 추정된 파일럿 에너지의 비에 대한 함수로서 상기 제 2수신기를 인에이블하는, 무선장치.
- 제 14항에 있어서, 상기 제어수단은 상기 추정된 잡음 에너지 대 추정된 파 일럿 에너지의 스케일링된 비에 대한 함수로서 상기 제 2수신기를 인에이블하는, 무선장치.
- 제 15항에 있어서, 스케일링 인자는 트래픽 채널의 데이터율에 대응하는, 무선장치.
- 제 16항에 있어서, 상기 스케일링 인자는 전력 제어 외부루프로부터의 세트포인트에 대응하는, 무선장치.
- 제 9항에 있어서, 상기 제 1추정기는 트래픽 채널의 프레임 에러율을 계산하는, 무선장치.
- 제 9항에 있어서, 상기 다이버시티 제어 유닛은,트래픽 에너지 대 파일럿 에너지의 비를 추정하고,조절된 비를 생성하기 위하여 소프트 핸드오프시 섹터들의 수로 상기 비를 곱하며,분자를 생성하기 위하여 제 1시상수를 사용하여 상기 조절된 비를 필터링하며,분모를 생성하기 위하여 제 2시상수를 사용하여 소프트 핸드오프시 섹터들의 수를 필터링하며,상기 분모로 상기 분자를 나누는 지시자를 생성하며;상기 제 2수신기를 제어하기 위하여 상기 지시자를 사용하는, 무선장치.
- 제 9항에 있어서, 상기 다이버시티 제어유닛은,잡음 에너지 대 파일럿 에너지의 비를 추정하고,조절된 비를 생성하기 위하여 소프트 핸드오프시 섹터들의 수로 상기 비를 곱하며,분자를 생성하기 위하여 제 1시상수를 사용하여 상기 조절된 비를 필터링하며,분모를 생성하기 위하여 제 2시상수를 사용하여 소프트 핸드오프시 상기 섹터들의 수를 필터링하며;상기 분모에 의하여 상기 분자를 나누는 지시자를 생성하며;상기 제 2수신기를 제어하기 위하여 상기 지시자를 사용하는, 무선장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US55075604P | 2004-03-05 | 2004-03-05 | |
US60/550,756 | 2004-03-05 | ||
US58390204P | 2004-06-28 | 2004-06-28 | |
US60/583,902 | 2004-06-28 |
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KR20060129527A true KR20060129527A (ko) | 2006-12-15 |
KR100809795B1 KR100809795B1 (ko) | 2008-03-07 |
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KR1020067020816A KR100809795B1 (ko) | 2004-03-05 | 2005-03-04 | 무선통신에서 다중―안테나 수신 다이버시티 제어 |
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US (1) | US7454181B2 (ko) |
EP (1) | EP1726105B1 (ko) |
JP (1) | JP4482026B2 (ko) |
KR (1) | KR100809795B1 (ko) |
BR (1) | BRPI0508419A (ko) |
CA (1) | CA2558543A1 (ko) |
IL (1) | IL177885A0 (ko) |
MX (1) | MXPA06010071A (ko) |
RU (1) | RU2347316C2 (ko) |
UA (1) | UA83729C2 (ko) |
WO (1) | WO2005088864A1 (ko) |
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- 2005-03-04 EP EP05724624A patent/EP1726105B1/en not_active Expired - Lifetime
- 2005-03-04 MX MXPA06010071A patent/MXPA06010071A/es active IP Right Grant
- 2005-03-04 WO PCT/US2005/007114 patent/WO2005088864A1/en active Application Filing
- 2005-03-04 CA CA002558543A patent/CA2558543A1/en not_active Abandoned
- 2005-03-04 BR BRPI0508419-9A patent/BRPI0508419A/pt not_active IP Right Cessation
- 2005-03-04 JP JP2007502018A patent/JP4482026B2/ja not_active Expired - Fee Related
- 2005-03-04 RU RU2006135110/09A patent/RU2347316C2/ru not_active IP Right Cessation
- 2005-03-04 US US11/073,049 patent/US7454181B2/en not_active Expired - Lifetime
- 2005-03-04 KR KR1020067020816A patent/KR100809795B1/ko active IP Right Grant
- 2005-04-03 UA UAA200610521A patent/UA83729C2/uk unknown
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KR101367946B1 (ko) * | 2011-08-02 | 2014-02-27 | 주식회사 케이티 | 적응적 무선전송 방식 기반 기지국의 부하 제어 방법 |
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US20050197079A1 (en) | 2005-09-08 |
US7454181B2 (en) | 2008-11-18 |
RU2347316C2 (ru) | 2009-02-20 |
JP4482026B2 (ja) | 2010-06-16 |
WO2005088864A1 (en) | 2005-09-22 |
KR100809795B1 (ko) | 2008-03-07 |
UA83729C2 (uk) | 2008-08-11 |
CA2558543A1 (en) | 2005-09-22 |
EP1726105A1 (en) | 2006-11-29 |
MXPA06010071A (es) | 2006-12-15 |
JP2007527674A (ja) | 2007-09-27 |
EP1726105B1 (en) | 2012-12-05 |
IL177885A0 (en) | 2006-12-31 |
RU2006135110A (ru) | 2008-04-10 |
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