FI961673A0 - Diversitetsmetod, radiomottagare och radiosystem Diversitetsmetod, radiomottagare och radiosystem - Google Patents

Diversitetsmetod, radiomottagare och radiosystem Diversitetsmetod, radiomottagare och radiosystem

Info

Publication number
FI961673A0
FI961673A0 FI961673A FI961673A FI961673A0 FI 961673 A0 FI961673 A0 FI 961673A0 FI 961673 A FI961673 A FI 961673A FI 961673 A FI961673 A FI 961673A FI 961673 A0 FI961673 A0 FI 961673A0
Authority
FI
Finland
Prior art keywords
radio
radio receiver
radiojdiversity
receiver
diversity
Prior art date
Application number
FI961673A
Other languages
English (en)
Finnish (fi)
Other versions
FI961673A (sv
FI107485B (sv
Inventor
Risto Paatelma
Markku Tarkiainen
Tapani Westman
Original Assignee
Nokia Mobile Phones Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI961673A priority Critical patent/FI107485B/sv
Publication of FI961673A0 publication Critical patent/FI961673A0/sv
Priority to DE19714967A priority patent/DE19714967A1/de
Priority to US08/842,717 priority patent/US6029057A/en
Priority to CN97110588A priority patent/CN1173084A/zh
Publication of FI961673A publication Critical patent/FI961673A/sv
Application granted granted Critical
Publication of FI107485B publication Critical patent/FI107485B/sv

Links

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
    • 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
    • H04B7/0805—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 single receiver and antenna switching
    • H04B7/0808—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 single receiver and antenna switching comparing all antennas before reception
    • 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
    • H04B7/0805—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 single receiver and antenna switching
    • H04B7/0814—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 single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
FI961673A 1996-04-17 1996-04-17 Diversitetsmetod, radiomottagare och radiosystem FI107485B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI961673A FI107485B (sv) 1996-04-17 1996-04-17 Diversitetsmetod, radiomottagare och radiosystem
DE19714967A DE19714967A1 (de) 1996-04-17 1997-04-10 Diversity-Verfahren, Funkempfänger und Funksystem
US08/842,717 US6029057A (en) 1996-04-17 1997-04-16 Diversity method, a radio receiver and a radio system
CN97110588A CN1173084A (zh) 1996-04-17 1997-04-17 分集法、无线电接收机和无线电***

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI961673 1996-04-17
FI961673A FI107485B (sv) 1996-04-17 1996-04-17 Diversitetsmetod, radiomottagare och radiosystem

Publications (3)

Publication Number Publication Date
FI961673A0 true FI961673A0 (sv) 1996-04-17
FI961673A FI961673A (sv) 1997-10-18
FI107485B FI107485B (sv) 2001-08-15

Family

ID=8545860

Family Applications (1)

Application Number Title Priority Date Filing Date
FI961673A FI107485B (sv) 1996-04-17 1996-04-17 Diversitetsmetod, radiomottagare och radiosystem

Country Status (4)

Country Link
US (1) US6029057A (sv)
CN (1) CN1173084A (sv)
DE (1) DE19714967A1 (sv)
FI (1) FI107485B (sv)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999034534A1 (en) * 1997-12-30 1999-07-08 Ericsson, Inc. A unified antenna diversity switching system for tdma-based telephones
JP3380481B2 (ja) * 1998-12-17 2003-02-24 松下電器産業株式会社 基地局装置
DE19957534A1 (de) 1999-11-30 2001-06-21 Infineon Technologies Ag Verfahren zur Steuerung von Antennen einer Empfangseinrichtung in einem Funksystem, insbesondere einem Mobilfunksystem
FI20000853A (sv) 2000-04-10 2001-10-11 Nokia Networks Oy Förfarande för dataöverföring
US6847997B1 (en) 2000-04-19 2005-01-25 Motorola, Inc. Communications network utilizing transmitter and channel diversity to mitigate path impairments
DE10109359C2 (de) * 2001-02-27 2003-01-16 Bosch Gmbh Robert Diversity-Antennenanordnung
US6961545B2 (en) * 2001-04-09 2005-11-01 Atheros Communications, Inc. Method and system for providing antenna diversity
KR100436665B1 (ko) * 2001-11-27 2004-06-22 삼성전자주식회사 인터페이스 컨넥션 케이블 안테나 및 이를 이용한이동통신 단말기의 안테나 다이버시티 장치
US6823180B2 (en) * 2001-12-12 2004-11-23 Motorola, Inc. Method and apparatus for adapting antenna visibility in a wireless communications unit
US7274759B2 (en) * 2001-12-21 2007-09-25 Koninklijke Philips Electronics N.V. Antenna switching based on a preamble MSE metric
DE10226512A1 (de) * 2002-06-14 2003-12-24 Philips Intellectual Property Antennendiversity-Empfangsanlage und Verfahren zur Auswahl einer von mehreren Antennen
US7039004B2 (en) * 2002-10-01 2006-05-02 Atheros Communications, Inc. Decision feedback channel estimation and pilot tracking for OFDM systems
US8326257B2 (en) 2002-10-28 2012-12-04 Qualcomm Incorporated Utilizing speed and position information to select an operational mode in a wireless communication system
JP3977795B2 (ja) * 2003-10-23 2007-09-19 株式会社東芝 ダイバーシチアンテナ装置およびダイバーシチアンテナ制御方法
US20050129105A1 (en) * 2003-12-11 2005-06-16 Aris Papasakellariou Determination of the adaption coefficient for adaptive equalizers in communication systems based on the estimated signal-to-noise ratio and the mobile speed
JP4239828B2 (ja) * 2004-01-14 2009-03-18 ソニー株式会社 受信装置および受信方法、並びにプログラム
DE102005040604B4 (de) * 2005-08-23 2009-02-26 Siemens Ag Verfahren zum Umschalten von einer ersten Antenne eines Funkmoduls auf eine zweite Antenne des Funkmoduls
US7937052B2 (en) * 2006-06-27 2011-05-03 Cisco Technology, Inc. Multiple input multiple output signal receiving apparatus with optimized performance
US20110025464A1 (en) * 2009-07-30 2011-02-03 Awarepoint Corporation Antenna Diversity For Wireless Tracking System And Method
US10129929B2 (en) * 2011-07-24 2018-11-13 Ethertronics, Inc. Antennas configured for self-learning algorithms and related methods
US9287953B2 (en) 2012-05-21 2016-03-15 Qualcomm Incorporated Systems, apparatus, and methods for antenna selection
US9231302B2 (en) 2012-05-21 2016-01-05 Qualcomm Incorporated Devices, methods, and systems for antenna switching based on look-back
US10971866B2 (en) 2017-03-10 2021-04-06 Roku, Inc. Connector device with antenna connection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI76227C (sv) * 1986-11-18 1988-09-09 Nokia Mobira Oy Koppling för återgivningsdelen i en för ett telefonsystem avsedd FM-mo ttagare
FI84537C (sv) * 1990-01-18 1991-12-10 Nokia Mobile Phones Ltd Diversitetsantennkoppling för en digital mobiltelefon
US5119501A (en) * 1990-04-19 1992-06-02 Ericsson Ge Mobile Communications, Inc. Adaptive diversity equipment arrangement for cellular mobile telephone systems
US5561673A (en) * 1993-04-16 1996-10-01 Matsushita Electric Industrial Co., Ltd. Antenna switched diversity reciever
FI932605A (sv) * 1993-06-07 1994-12-08 Nokia Telecommunications Oy Mottagaranordning foer basstation
US5548837A (en) * 1994-03-28 1996-08-20 Hess; Garry C. Method and apparatus for producing diversity gain of a received signal
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

Also Published As

Publication number Publication date
CN1173084A (zh) 1998-02-11
FI961673A (sv) 1997-10-18
US6029057A (en) 2000-02-22
DE19714967A1 (de) 1997-10-30
FI107485B (sv) 2001-08-15

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