FI112566B - Menetelmä ja laite niiden kahden antennin valitsemiseksi, joilta viestintäsignaali vastaanotetaan - Google Patents
Menetelmä ja laite niiden kahden antennin valitsemiseksi, joilta viestintäsignaali vastaanotetaan Download PDFInfo
- Publication number
- FI112566B FI112566B FI960241A FI960241A FI112566B FI 112566 B FI112566 B FI 112566B FI 960241 A FI960241 A FI 960241A FI 960241 A FI960241 A FI 960241A FI 112566 B FI112566 B FI 112566B
- Authority
- FI
- Finland
- Prior art keywords
- signal
- antenna
- quality measure
- signal quality
- antennas
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims abstract description 85
- 230000006854 communication Effects 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000013442 quality metrics Methods 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 241000257303 Hymenoptera Species 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000005562 fading Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000002542 deteriorative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Near-Field Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25248194 | 1994-06-01 | ||
| US08/252,481 US5740526A (en) | 1994-06-01 | 1994-06-01 | Method and apparatus for selecting two antennas from which to receive a communication signal |
| PCT/US1995/001643 WO1995033312A1 (en) | 1994-06-01 | 1995-02-09 | A method for selecting two antennas |
| US9501643 | 1995-02-09 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI960241A0 FI960241A0 (fi) | 1996-01-18 |
| FI960241A FI960241A (fi) | 1996-01-18 |
| FI112566B true FI112566B (fi) | 2003-12-15 |
Family
ID=22956188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI960241A FI112566B (fi) | 1994-06-01 | 1996-01-18 | Menetelmä ja laite niiden kahden antennin valitsemiseksi, joilta viestintäsignaali vastaanotetaan |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5740526A (de) |
| EP (1) | EP0712550B1 (de) |
| JP (1) | JP4057051B2 (de) |
| KR (1) | KR100213691B1 (de) |
| AT (1) | ATE206256T1 (de) |
| BR (1) | BR9506261A (de) |
| CA (1) | CA2166882A1 (de) |
| DE (1) | DE69522902T2 (de) |
| FI (1) | FI112566B (de) |
| WO (1) | WO1995033312A1 (de) |
Families Citing this family (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0804849B1 (de) * | 1995-01-20 | 2006-12-20 | Siemens Aktiengesellschaft | Einrichtung und verfahren zur antennenauswahl in einem schnurlosen telefonsystem |
| US6192038B1 (en) * | 1995-10-18 | 2001-02-20 | Mdiversity Inc. | Method and apparatus for wireless communication employing aggregation for digital signals |
| US6131034A (en) * | 1995-10-18 | 2000-10-10 | Sc-Wireless Inc | Method and apparatus for collector arrays in wireless communications systems |
| FI956060A (fi) * | 1995-12-15 | 1997-06-16 | Nokia Telecommunications Oy | Sektoroitu tukiasema |
| US6421543B1 (en) * | 1996-01-29 | 2002-07-16 | Ericsson Inc. | Cellular radiotelephone base stations and methods using selected multiple diversity reception |
| FI107485B (fi) * | 1996-04-17 | 2001-08-15 | Nokia Mobile Phones Ltd | Diversiteettimenetelmä, radiovastaanotin ja radiojärjestelmä |
| FI107851B (fi) * | 1996-05-22 | 2001-10-15 | Nokia Networks Oy | Menetelmä antennikeilan valitsemiseksi, tukiasema ja solukkoradiojärjestelmä |
| JP3141784B2 (ja) * | 1996-07-10 | 2001-03-05 | 双葉電子工業株式会社 | 受信アンテナ選択方法およびダイバーシティ受信機 |
| JP3060952B2 (ja) * | 1996-07-19 | 2000-07-10 | 日本電気株式会社 | ダイバーシチ受信装置 |
| US5881058A (en) * | 1996-11-25 | 1999-03-09 | Motorola, Inc. | Method for performing a signal search in a wireless communication system |
| US5917851A (en) * | 1996-12-30 | 1999-06-29 | Nokia Telecommunications Oy | Method for allocating rake branches and rake receiver |
| US5913177A (en) * | 1997-03-31 | 1999-06-15 | Radio Frequency Systems, Inc. | Traffic distribution analysis in a land mobile radio system |
| FR2764140B1 (fr) * | 1997-05-28 | 1999-08-06 | Armand Levy | Procede de communication entre une station de base a n antennes et un mobile et station de base permettant de mettre en oeuvre ce procede |
| SE9702370L (sv) * | 1997-06-19 | 1998-12-20 | Ericsson Telefon Ab L M | Balanserad diversitet |
| US5940454A (en) * | 1997-12-17 | 1999-08-17 | Nortel Networks Corporation | Blind switch diversity control apparatus |
| GB2338149A (en) * | 1998-02-27 | 1999-12-08 | Northern Telecom Ltd | Switching antennas in a diversity receiver |
| GB9901789D0 (en) | 1998-04-22 | 1999-03-17 | Koninkl Philips Electronics Nv | Antenna diversity system |
| GB9812429D0 (en) * | 1998-06-09 | 1998-08-05 | Radiant Networks Plc | Transmitter,receiver and transceiver apparatus |
| KR100285734B1 (ko) * | 1998-06-23 | 2001-04-02 | 윤종용 | 기지국시스템의다중섹터화장치 |
| US7024168B1 (en) | 1999-07-07 | 2006-04-04 | Telefonaktiebolaget L M Ericsson (Publ) | Controlled antenna diversity |
| SE0002617D0 (sv) | 1999-10-29 | 2000-07-11 | Allgon Ab | An antenna device for transmitting and/or receiving RF waves |
| AU2756201A (en) * | 2000-01-07 | 2001-07-16 | Mdiversity, Inc. | Dynamic channel allocation in multiple-access communication systems |
| DE10022740A1 (de) * | 2000-04-28 | 2001-10-31 | Mannesmann Vdo Ag | Antennen-Diversity-Schaltung für Rundfunkempfänger mit mehreren Empfangsteilen |
| US7158482B2 (en) * | 2001-02-07 | 2007-01-02 | Motorola, Inc. | Method and apparatus for preventing received data from corrupting previously processed data in a wireless communications system |
| US7155192B2 (en) * | 2001-09-25 | 2006-12-26 | At&T Corp. | Multi-antenna/multi-receiver array diversity system |
| FR2833435B1 (fr) * | 2001-12-06 | 2004-02-27 | Thomson Licensing Sa | Methode de selection de chemin de reception et dispositif de reception comprenant plusieurs chemins de reception |
| WO2003050917A1 (en) * | 2001-12-07 | 2003-06-19 | Skycross, Inc. | Multiple antenna diversity for wireless lan applications |
| AU2003219466A1 (en) * | 2002-05-28 | 2003-12-12 | Koninklijke Philips Electronics N.V. | Diversity receiver and method for estimating signal quality |
| FR2844407B1 (fr) * | 2002-09-05 | 2004-12-03 | Thomson Licensing Sa | Procede de selection de canal de transmission et recepteur de signaux a diversite d'antenne |
| US7929921B2 (en) * | 2003-06-10 | 2011-04-19 | Motorola Mobility, Inc. | Diversity control in wireless communications devices and methods |
| DE10347985B4 (de) * | 2003-10-15 | 2005-11-10 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Erkennung von Sendeantennendiversität im Empfänger sowie zur Scrambling-Code-Indentifizierung |
| JP2005210261A (ja) * | 2004-01-21 | 2005-08-04 | Renesas Technology Corp | 無線通信システムおよび高周波ｉｃ |
| US7680455B2 (en) * | 2004-02-24 | 2010-03-16 | Broadcom Corporation | Method and system for antenna selection diversity with biasing |
| US7489913B2 (en) * | 2005-01-04 | 2009-02-10 | Motorola, Inc. | Method for controlling diversity receivers in a wireless communication device |
| CA2630567C (en) | 2005-12-12 | 2012-11-13 | Wi-Lan, Inc. | Self-installable switchable antenna |
| US7548208B2 (en) * | 2006-02-24 | 2009-06-16 | Palm, Inc. | Internal diversity antenna architecture |
| WO2008020294A2 (en) * | 2006-08-14 | 2008-02-21 | Nokia Corporation | Reduced performance mode when receiving a common control channel |
| KR100793298B1 (ko) * | 2006-10-16 | 2008-01-10 | 삼성전자주식회사 | 듀얼 수신기 기반의 휴대 단말을 위한 수신 모드 선택 방법 |
| JP4905461B2 (ja) * | 2006-12-14 | 2012-03-28 | 富士通株式会社 | 多入力多出力通信のためのアンテナを選択する制御装置 |
| US20080240280A1 (en) * | 2007-04-02 | 2008-10-02 | Apacewave Technologies Corporation | Intelligent Iterative Switch Diversity |
| US8116408B2 (en) * | 2007-06-15 | 2012-02-14 | Broadcom Corporation | Gain control for reduced interframe spacing (RIFS) |
| US8199857B2 (en) * | 2007-06-15 | 2012-06-12 | Broadcom Corporation | Apparatus to reconfigure an 802.11a/n transceiver to support 802.11j/10 MHz mode of operation |
| US8369388B2 (en) * | 2007-06-15 | 2013-02-05 | Broadcom Corporation | Single-chip wireless tranceiver |
| JP4548461B2 (ja) * | 2007-09-04 | 2010-09-22 | ソニー株式会社 | ダイバシティ制御方法 |
| US8340614B2 (en) * | 2008-12-18 | 2012-12-25 | Plantronics, Inc. | Antenna diversity to improve proximity detection using RSSI |
| US8583199B2 (en) * | 2011-04-07 | 2013-11-12 | General Motors Llc | Telematics systems and methods with multiple antennas |
| US20140086286A1 (en) * | 2012-09-27 | 2014-03-27 | Rosemount Inc. | Diversity antenna housing |
| US9518852B2 (en) | 2012-09-27 | 2016-12-13 | Rosemount Inc. | Hybrid power module with fault detection |
| US9291684B2 (en) | 2013-06-28 | 2016-03-22 | Rosemount, Inc. | Logic capable power module |
| US9356672B2 (en) * | 2014-08-01 | 2016-05-31 | Google Technology Holdings LLC | Apparatus and methods for adaptive antenna diversity in a multi-antenna system |
| US9686744B2 (en) | 2015-08-07 | 2017-06-20 | Qualcomm Incorporated | Detection of fades for receive diversity enablement in a fading channel |
| US10601491B2 (en) * | 2017-12-15 | 2020-03-24 | Google Llc | Performance-based antenna selection for user devices |
| KR102455635B1 (ko) * | 2018-05-25 | 2022-10-17 | 삼성전자주식회사 | 오브젝트 방향 결정 방법 및 장치 |
| US11700038B2 (en) * | 2019-05-30 | 2023-07-11 | Cypress Semiconductor Corporation | Enhancement of range and throughput for multi-antenna wireless communications devices |
| DE102020124638A1 (de) * | 2020-09-22 | 2022-03-24 | Diehl Metering Systems Gmbh | Verfahren zum Betrieb einer Sektor-Antennen-Anordnung sowie Sektor-Antennen-Anordnung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4977616A (en) * | 1987-11-30 | 1990-12-11 | Motorola, Inc. | Antenna selection control circuit |
| CA1292584C (en) * | 1987-11-30 | 1991-11-26 | Henry Ludwig Kazecki | Antenna selection control circuit |
| US5119501A (en) * | 1990-04-19 | 1992-06-02 | Ericsson Ge Mobile Communications, Inc. | Adaptive diversity equipment arrangement for cellular mobile telephone systems |
| US5203024A (en) * | 1990-04-27 | 1993-04-13 | Nippon Telegraph & Telephone Corp. | Antenna selection diversity reception system |
| DE4101629C3 (de) * | 1991-01-21 | 2003-06-26 | Fuba Automotive Gmbh | Antennendiversity-Anlage mit mindestens zwei Antennen für den mobilen Empfang von Meter- und Dezimeterwellen |
| US5375259A (en) * | 1992-02-20 | 1994-12-20 | Lee; Denny L. Y. | Analog signal noise reduction process and apparatus |
-
1994
- 1994-06-01 US US08/252,481 patent/US5740526A/en not_active Expired - Lifetime
-
1995
- 1995-02-09 DE DE69522902T patent/DE69522902T2/de not_active Expired - Lifetime
- 1995-02-09 BR BR9506261A patent/BR9506261A/pt not_active Application Discontinuation
- 1995-02-09 KR KR1019960700511A patent/KR100213691B1/ko not_active IP Right Cessation
- 1995-02-09 EP EP95911648A patent/EP0712550B1/de not_active Expired - Lifetime
- 1995-02-09 AT AT95911648T patent/ATE206256T1/de not_active IP Right Cessation
- 1995-02-09 JP JP50081496A patent/JP4057051B2/ja not_active Expired - Lifetime
- 1995-02-09 CA CA002166882A patent/CA2166882A1/en not_active Abandoned
- 1995-02-09 WO PCT/US1995/001643 patent/WO1995033312A1/en active IP Right Grant
-
1996
- 1996-01-18 FI FI960241A patent/FI112566B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0712550A1 (de) | 1996-05-22 |
| FI960241A0 (fi) | 1996-01-18 |
| ATE206256T1 (de) | 2001-10-15 |
| FI960241A (fi) | 1996-01-18 |
| JPH09501299A (ja) | 1997-02-04 |
| EP0712550A4 (de) | 1999-07-14 |
| KR960704404A (ko) | 1996-08-31 |
| DE69522902D1 (de) | 2001-10-31 |
| DE69522902T2 (de) | 2002-04-11 |
| EP0712550B1 (de) | 2001-09-26 |
| WO1995033312A1 (en) | 1995-12-07 |
| BR9506261A (pt) | 1997-08-12 |
| CA2166882A1 (en) | 1995-12-07 |
| JP4057051B2 (ja) | 2008-03-05 |
| KR100213691B1 (ko) | 1999-08-02 |
| US5740526A (en) | 1998-04-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Transfer of assignment of patent |
Owner name: MOTOROLA MOBILITY, INC. Free format text: MOTOROLA MOBILITY, INC. |
|
| MA | Patent expired |