CN1115799C - 平衡分集 - Google Patents
平衡分集 Download PDFInfo
- Publication number
- CN1115799C CN1115799C CN98805887A CN98805887A CN1115799C CN 1115799 C CN1115799 C CN 1115799C CN 98805887 A CN98805887 A CN 98805887A CN 98805887 A CN98805887 A CN 98805887A CN 1115799 C CN1115799 C CN 1115799C
- Authority
- CN
- China
- Prior art keywords
- antenna
- signal
- signal strength
- average interference
- diversity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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
- H04B7/0802—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9702370A SE9702370L (sv) | 1997-06-19 | 1997-06-19 | Balanserad diversitet |
SE97023709 | 1997-06-19 | ||
SE9702370-9 | 1997-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1259245A CN1259245A (zh) | 2000-07-05 |
CN1115799C true CN1115799C (zh) | 2003-07-23 |
Family
ID=20407454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98805887A Expired - Lifetime CN1115799C (zh) | 1997-06-19 | 1998-05-19 | 平衡分集 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6574461B1 (zh) |
EP (1) | EP0986864A2 (zh) |
JP (1) | JP2002503424A (zh) |
KR (1) | KR20010013780A (zh) |
CN (1) | CN1115799C (zh) |
AU (1) | AU758343B2 (zh) |
CA (1) | CA2294905C (zh) |
SE (1) | SE9702370L (zh) |
TW (1) | TW398160B (zh) |
WO (1) | WO1998058462A2 (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9702370L (sv) | 1997-06-19 | 1998-12-20 | Ericsson Telefon Ab L M | Balanserad diversitet |
US7120431B1 (en) * | 1999-02-12 | 2006-10-10 | Lucent Technologies Inc. | System and method for adjusting antenna radiation in a wireless network |
GB9923511D0 (en) * | 1999-10-05 | 1999-12-08 | Koninkl Philips Electronics Nv | Personal communications apparatus |
JP3678944B2 (ja) * | 1999-07-02 | 2005-08-03 | 松下電器産業株式会社 | 無線通信装置および無線通信方法 |
US7024168B1 (en) | 1999-07-07 | 2006-04-04 | Telefonaktiebolaget L M Ericsson (Publ) | Controlled antenna diversity |
FI114592B (fi) * | 2000-06-30 | 2004-11-15 | Nokia Corp | Kytkin- ja liitinjärjestely ulkoisten ja sisäisten antennien kytkemiseksi esimerkiksi laajennuskorttiin |
US6917820B2 (en) * | 2001-01-26 | 2005-07-12 | Stanford University | Method and apparatus for selection and use of optimal antennas in wireless systems |
DE10109359C2 (de) * | 2001-02-27 | 2003-01-16 | Bosch Gmbh Robert | Diversity-Antennenanordnung |
US20020133598A1 (en) * | 2001-03-16 | 2002-09-19 | Strahm Frederick William | Network communication |
US7031679B2 (en) * | 2002-03-27 | 2006-04-18 | Arraycomm, Llc | Estimating power on spatial channels |
TWI288537B (en) * | 2003-06-20 | 2007-10-11 | Realtek Semiconductor Corp | Automatic gain control and antenna diversity method of wireless communication system |
US7595768B2 (en) * | 2003-06-27 | 2009-09-29 | Intel Corporation | Switching schemes for multiple antennas |
JP2005175670A (ja) * | 2003-12-09 | 2005-06-30 | Nec Corp | Tv放送受信機能つき携帯電話機及びtv放送受信機能つき携帯電話機のシステム及びtv放送受信機能つき携帯電話機のtv録画設定方法 |
JP2009503955A (ja) * | 2005-07-29 | 2009-01-29 | ザ ガヴァナーズ オヴ ザ ユニヴァーシティ オヴ アルバータ | アンテナ選択装置および方法 |
US7590399B2 (en) * | 2005-08-11 | 2009-09-15 | Delphi Technologies, Inc. | Technique for reducing multipath interference in an FM receiver |
WO2007141878A1 (ja) * | 2006-06-09 | 2007-12-13 | Panasonic Corporation | ダイバーシチ受信装置及びダイバーシチ受信方法 |
WO2008117127A1 (en) * | 2007-03-26 | 2008-10-02 | Freescale Semiconductor, Inc. | A method and apparatus to receive location information in a diversity enabled receiver |
US8908667B1 (en) | 2007-09-07 | 2014-12-09 | Marvell International Ltd. | Method and apparatus for antenna path selection for multiple wireless communication components |
EP2207273B1 (en) * | 2009-01-09 | 2016-01-06 | AKG Acoustics GmbH | Method and device for receiving digital audio data |
CN101778444B (zh) * | 2009-01-12 | 2013-04-24 | 瑞昱半导体股份有限公司 | 无线网络中传输路径选择装置与方法 |
JP5344978B2 (ja) * | 2009-04-22 | 2013-11-20 | パナソニック株式会社 | 指向性パターン決定方法 |
US8559325B2 (en) * | 2009-09-15 | 2013-10-15 | Qualcomm Incorporated | Systems and methods for over the air load indicator for wireless scheduling |
US8868091B2 (en) * | 2010-01-18 | 2014-10-21 | Qualcomm Incorporated | Methods and apparatus for facilitating inter-cell interference coordination via over the air load indicator and relative narrowband transmit power |
US8953474B2 (en) * | 2012-04-09 | 2015-02-10 | Blackberry Limited | Optimized uplink performance via antenna selection |
US11611896B2 (en) * | 2021-03-30 | 2023-03-21 | Qualcomm Incorporated | Measurement techniques for reporting beams |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1276790A (en) * | 1970-03-20 | 1972-06-07 | Vaisala Oy | Improvements in devices by which antennae are automatically selected from arrays thereof and connected to radio receivers |
JPS54143009A (en) * | 1978-04-28 | 1979-11-07 | Kokusai Denshin Denwa Co Ltd | Space diversity system for tdma communication system |
US4259742A (en) * | 1978-11-06 | 1981-03-31 | Burns Richard C | Electronic switching system for reducing noise transients |
US4499606A (en) * | 1982-12-27 | 1985-02-12 | Sri International | Reception enhancement in mobile FM broadcast receivers and the like |
JPS59181732A (ja) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | 携帯用無線機におけるダイバ−シチ−受信方式 |
US4742568A (en) * | 1985-06-10 | 1988-05-03 | Nec Corporation | Receiver for antenna switching diversity systems |
JPS63252024A (ja) * | 1987-04-08 | 1988-10-19 | Pioneer Electronic Corp | 空間ダイバ−シチ受信装置 |
EP0497433B1 (en) * | 1987-06-23 | 1995-09-20 | Nec Corporation | Phase controlled demodulation system for digital communication |
JP2708777B2 (ja) * | 1988-05-19 | 1998-02-04 | 三洋電機株式会社 | ダイバーシティ受信装置 |
CA2021232C (en) * | 1989-07-17 | 1993-09-21 | Hiroyasu Muto | Diversity receiving system for use in digital radio communication with means for selecting branch by estimating propagation path property |
SE465991B (sv) * | 1990-04-10 | 1991-11-25 | Ericsson Telefon Ab L M | Foerfarande foer att i en mottagare vaelja den laempligaste av tvaa eller flera antenner |
US5119501A (en) * | 1990-04-19 | 1992-06-02 | Ericsson Ge Mobile Communications, Inc. | Adaptive diversity equipment arrangement for cellular mobile telephone systems |
EP0454585B1 (en) | 1990-04-27 | 1994-08-03 | Nippon Telegraph And Telephone Corporation | An antenna selection diversity reception system |
GB9102935D0 (en) * | 1991-02-12 | 1991-03-27 | Shaye Communications Ltd | Improvements in and relating to antennae |
US5280637A (en) | 1991-09-18 | 1994-01-18 | Motorola, Inc. | Phase combining method and apparatus for use in a diversity receiver |
ATE172337T1 (de) * | 1992-06-12 | 1998-10-15 | Siemens Ag | Funkgerät |
EP0687031A2 (en) | 1992-10-19 | 1995-12-13 | Nortel Networks Corporation | Base station antenna arrangement |
FI934651A (fi) * | 1993-10-21 | 1995-04-22 | Nokia Telecommunications Oy | Diversiteettivastaanotin |
US5740526A (en) * | 1994-06-01 | 1998-04-14 | Bonta; Jeffrey D. | Method and apparatus for selecting two antennas from which to receive a communication signal |
JPH0884104A (ja) * | 1994-09-09 | 1996-03-26 | Toshiba Corp | 無線通信装置 |
FR2732490B1 (fr) * | 1995-03-28 | 1997-04-25 | Thomson Csf | Procede de reception multicapteur d'une station de base d'un reseau de communication echangeant des donnees avec des mobiles, et dispositif pour sa mise en oeuvre |
US5603107A (en) * | 1995-06-09 | 1997-02-11 | Ford Motor Company | Switching system for diversity antenna FM receiver |
GB2308530B (en) * | 1995-12-21 | 2000-03-22 | Nokia Mobile Phones Ltd | Antenna selection control circuitry |
US5692019A (en) * | 1996-06-17 | 1997-11-25 | Motorola, Inc. | Communication device having antenna switch diversity, and method therefor |
SE9702370L (sv) | 1997-06-19 | 1998-12-20 | Ericsson Telefon Ab L M | Balanserad diversitet |
-
1997
- 1997-06-19 SE SE9702370A patent/SE9702370L/ not_active Application Discontinuation
-
1998
- 1998-05-19 AU AU80434/98A patent/AU758343B2/en not_active Expired
- 1998-05-19 CA CA002294905A patent/CA2294905C/en not_active Expired - Lifetime
- 1998-05-19 CN CN98805887A patent/CN1115799C/zh not_active Expired - Lifetime
- 1998-05-19 JP JP50425099A patent/JP2002503424A/ja active Pending
- 1998-05-19 EP EP98928696A patent/EP0986864A2/en not_active Withdrawn
- 1998-05-19 KR KR1019997011797A patent/KR20010013780A/ko not_active Application Discontinuation
- 1998-05-19 WO PCT/SE1998/000938 patent/WO1998058462A2/en not_active Application Discontinuation
- 1998-05-27 TW TW087108235A patent/TW398160B/zh not_active IP Right Cessation
- 1998-06-18 US US09/099,323 patent/US6574461B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2294905A1 (en) | 1998-12-23 |
JP2002503424A (ja) | 2002-01-29 |
EP0986864A2 (en) | 2000-03-22 |
AU8043498A (en) | 1999-01-04 |
AU758343B2 (en) | 2003-03-20 |
SE9702370D0 (sv) | 1997-06-19 |
CA2294905C (en) | 2006-02-21 |
SE9702370L (sv) | 1998-12-20 |
WO1998058462A2 (en) | 1998-12-23 |
CN1259245A (zh) | 2000-07-05 |
US6574461B1 (en) | 2003-06-03 |
KR20010013780A (ko) | 2001-02-26 |
TW398160B (en) | 2000-07-11 |
WO1998058462A3 (en) | 1999-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: TELEFONAKTIEBOLAGET LM ERICSSON (SE) S-126 25 STOCKHOLM, SWEDEN Effective date: 20150126 Owner name: AOPU DISI CELLULAR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20150126 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150126 Address after: Texas, USA Patentee after: Telefonaktiebolaget LM Ericsson (publ) Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20150126 Address after: Delaware Patentee after: Clastres LLC Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20030723 |