CN1081855C - 无线用户单元中控制分集接收机装置的方法 - Google Patents
无线用户单元中控制分集接收机装置的方法 Download PDFInfo
- Publication number
- CN1081855C CN1081855C CN96120810A CN96120810A CN1081855C CN 1081855 C CN1081855 C CN 1081855C CN 96120810 A CN96120810 A CN 96120810A CN 96120810 A CN96120810 A CN 96120810A CN 1081855 C CN1081855 C CN 1081855C
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- Prior art keywords
- antenna
- signal
- rssi
- subscriber unit
- receiver
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Links
- 238000000034 method Methods 0.000 title claims description 91
- 230000004044 response Effects 0.000 claims description 68
- 150000001875 compounds Chemical class 0.000 claims description 40
- 230000014509 gene expression Effects 0.000 claims description 31
- 230000008859 change Effects 0.000 claims description 12
- 230000010354 integration Effects 0.000 claims description 12
- 239000002131 composite material Substances 0.000 abstract description 8
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 63
- 238000013459 approach Methods 0.000 description 61
- 230000008569 process Effects 0.000 description 32
- 238000004891 communication Methods 0.000 description 29
- 230000001413 cellular effect Effects 0.000 description 25
- 238000005562 fading Methods 0.000 description 23
- 238000001228 spectrum Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 14
- 238000005259 measurement Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
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Images
Classifications
-
- 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
-
- 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
-
- 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
- H04B7/082—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 selecting best antenna path
-
- 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
- H04B7/0837—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 pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
元素 | 速率(秒) | 速率(码元) | 说明 |
片(chip) | 1.2288 Mchip/s | 一个Tx被称为一个“片” | |
码元 | 19.2K码元/s | 64片/码元 | 中间级比特为“码元” |
比特(bit) | 9.6Kbit/s | 2码元/比特 | 卷积编码器是速率1 |
PCG | 800PCG/s | 24码元/PCG | 功率控制组 |
帧 | 50Hz | 192bit/帧 | 初级数据是“比特” |
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/564,763 US6023615A (en) | 1995-11-29 | 1995-11-29 | Method for controlling a diversity receiver apparatus in a radio subscriber unit |
US564,763 | 1995-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1155792A CN1155792A (zh) | 1997-07-30 |
CN1081855C true CN1081855C (zh) | 2002-03-27 |
Family
ID=24255789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96120810A Expired - Fee Related CN1081855C (zh) | 1995-11-29 | 1996-11-27 | 无线用户单元中控制分集接收机装置的方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6023615A (zh) |
JP (1) | JP3335858B2 (zh) |
KR (1) | KR100211474B1 (zh) |
CN (1) | CN1081855C (zh) |
AR (1) | AR004798A1 (zh) |
BR (1) | BR9604636A (zh) |
CA (1) | CA2189505C (zh) |
GB (1) | GB2307830B (zh) |
MX (1) | MX9605912A (zh) |
SG (1) | SG72712A1 (zh) |
Families Citing this family (71)
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US6377812B1 (en) * | 1997-11-20 | 2002-04-23 | University Of Maryland | Combined power control and space-time diversity in mobile cellular communications |
FI106607B (fi) * | 1998-01-07 | 2001-02-28 | Nokia Mobile Phones Ltd | Solun valinta usean modulaation solukkoradiojärjestelmässä |
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US6296565B1 (en) * | 1999-05-04 | 2001-10-02 | Shure Incorporated | Method and apparatus for predictably switching diversity antennas on signal dropout |
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JP2001111465A (ja) * | 1999-10-06 | 2001-04-20 | Fujitsu Ltd | 無線受信機およびダイバーシチ受信機 |
DE19953731A1 (de) * | 1999-11-08 | 2001-06-13 | Becker Gmbh | Verfahren zur Auswahl einer von mehreren Antennen einer Antennendiversity-Empfangsanlage sowie Antennendiversity-Empfangsanlage |
US6778815B1 (en) * | 1999-11-24 | 2004-08-17 | Kabushiki Kaisha Toshiba | Mobile radio terminal apparatus |
WO2001056194A1 (en) * | 2000-01-26 | 2001-08-02 | Vyyo, Ltd. | Space diversity method and system for broadband wireless access |
US20010045914A1 (en) * | 2000-02-25 | 2001-11-29 | Bunker Philip Alan | Device and system for providing a wireless high-speed communications network |
US6294940B1 (en) * | 2000-06-21 | 2001-09-25 | Infineon Technologies North America Corp. | Symmetric clock receiver for differential input signals |
GB2364210A (en) | 2000-06-30 | 2002-01-16 | Nokia Oy Ab | Diversity receiver and method of receiving a multi carrier signal |
KR100374027B1 (ko) * | 2000-08-17 | 2003-02-26 | 삼성전자주식회사 | 송신 다이버시티를 채택하는 통신시스템의 이동국에서파일럿 세기 측정 장치 및 방법 |
US6816709B2 (en) | 2000-08-19 | 2004-11-09 | Pctel Maryland, Inc. | Method and apparatus for testing CDMA signal propagation and coverage |
US6560440B1 (en) | 2000-10-10 | 2003-05-06 | General Dynamics Decision Systems, Inc. | Method for precompensating frequency data for use in high-velocity satellite communication systems |
FI113819B (fi) * | 2000-10-17 | 2004-06-15 | Nokia Corp | Menetelmä radiotaajuisen signaalin vastaanottamiseksi ja vastaanotinlaite |
JP2002135187A (ja) * | 2000-10-24 | 2002-05-10 | Sony Corp | 受信機 |
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KR20020055891A (ko) * | 2000-12-29 | 2002-07-10 | 윤종용 | 이동단말에서의 정보 서비스 방법 |
US7006797B1 (en) | 2001-05-21 | 2006-02-28 | Counter Technologies, Llc | Coherence frequency determining system and associated radio apparatus |
US7046964B1 (en) | 2001-05-21 | 2006-05-16 | Counter Technologies, Llc | Method and apparatus for determining the frequency of a radio signal during periods of stability and monitoring communications with a radio receiver |
US7190937B1 (en) | 2001-05-21 | 2007-03-13 | Counter Technologies, Llc | Method for determining the frequency of a radio signal and monitoring communications with a radio receiver |
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JP2004015089A (ja) * | 2002-06-03 | 2004-01-15 | Toa Corp | アンテナダイバシティ方式のデジタル無線受信機 |
JP3999605B2 (ja) * | 2002-08-23 | 2007-10-31 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局、移動通信システム及び通信方法 |
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JP2013181837A (ja) * | 2012-03-01 | 2013-09-12 | Canon Inc | 撮像装置 |
WO2014082933A1 (en) | 2012-11-28 | 2014-06-05 | Sony Corporation | Control device and method for use in a broadcast system |
WO2014082997A1 (en) * | 2012-11-28 | 2014-06-05 | Sony Corporation | Receiver for receiving data in a broadcast system |
CN104813604B (zh) * | 2012-11-28 | 2017-10-31 | 索尼公司 | 使用冗余数据接收广播***中的数据的接收器 |
US9742481B1 (en) * | 2016-09-16 | 2017-08-22 | Amazon Technologies, Inc. | Antenna switching |
Citations (2)
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WO1994001956A2 (en) * | 1992-06-30 | 1994-01-20 | Motorola Inc. | Dual mode communication network |
EP0945196A2 (de) * | 1998-03-21 | 1999-09-29 | Trumpf GmbH & Co | Vorrichtung zum Sortieren von Werkstückteilen an einer Maschine zum schneidenden Bearbeiten von Werkstücken |
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-
1995
- 1995-11-29 US US08/564,763 patent/US6023615A/en not_active Expired - Lifetime
-
1996
- 1996-11-04 CA CA002189505A patent/CA2189505C/en not_active Expired - Fee Related
- 1996-11-20 GB GB9624076A patent/GB2307830B/en not_active Expired - Fee Related
- 1996-11-22 SG SG1996011345A patent/SG72712A1/en unknown
- 1996-11-27 CN CN96120810A patent/CN1081855C/zh not_active Expired - Fee Related
- 1996-11-28 KR KR1019960058715A patent/KR100211474B1/ko not_active IP Right Cessation
- 1996-11-28 MX MX9605912A patent/MX9605912A/es unknown
- 1996-11-28 AR ARP960105395A patent/AR004798A1/es unknown
- 1996-11-29 BR BR9604636A patent/BR9604636A/pt active Search and Examination
- 1996-11-29 JP JP33490796A patent/JP3335858B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994001956A2 (en) * | 1992-06-30 | 1994-01-20 | Motorola Inc. | Dual mode communication network |
EP0945196A2 (de) * | 1998-03-21 | 1999-09-29 | Trumpf GmbH & Co | Vorrichtung zum Sortieren von Werkstückteilen an einer Maschine zum schneidenden Bearbeiten von Werkstücken |
Also Published As
Publication number | Publication date |
---|---|
SG72712A1 (en) | 2000-05-23 |
KR100211474B1 (ko) | 1999-08-02 |
US6023615A (en) | 2000-02-08 |
GB2307830A (en) | 1997-06-04 |
GB2307830B (en) | 2000-04-12 |
KR970031457A (ko) | 1997-06-26 |
GB9624076D0 (en) | 1997-01-08 |
BR9604636A (pt) | 1998-06-23 |
JPH09181666A (ja) | 1997-07-11 |
CN1155792A (zh) | 1997-07-30 |
JP3335858B2 (ja) | 2002-10-21 |
CA2189505C (en) | 2000-10-24 |
AR004798A1 (es) | 1999-03-10 |
CA2189505A1 (en) | 1997-05-30 |
MX9605912A (es) | 1997-05-31 |
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