DE60041492D1 - Gesteuerte antennendiversität - Google Patents

Gesteuerte antennendiversität

Info

Publication number
DE60041492D1
DE60041492D1 DE60041492T DE60041492T DE60041492D1 DE 60041492 D1 DE60041492 D1 DE 60041492D1 DE 60041492 T DE60041492 T DE 60041492T DE 60041492 T DE60041492 T DE 60041492T DE 60041492 D1 DE60041492 D1 DE 60041492D1
Authority
DE
Germany
Prior art keywords
controlled
diversity
antennendiversity
base band
processing circuit
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 - Fee Related
Application number
DE60041492T
Other languages
English (en)
Inventor
Torsten Carlsson
Kjell Gustafsson
Torgny Palenius
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60041492D1 publication Critical patent/DE60041492D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B7/0868—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
DE60041492T 1999-07-07 2000-06-29 Gesteuerte antennendiversität Expired - Fee Related DE60041492D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/348,494 US7024168B1 (en) 1999-07-07 1999-07-07 Controlled antenna diversity
PCT/EP2000/006085 WO2001005088A1 (en) 1999-07-07 2000-06-29 Controlled antenna diversity

Publications (1)

Publication Number Publication Date
DE60041492D1 true DE60041492D1 (de) 2009-03-19

Family

ID=23368279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60041492T Expired - Fee Related DE60041492D1 (de) 1999-07-07 2000-06-29 Gesteuerte antennendiversität

Country Status (11)

Country Link
US (1) US7024168B1 (de)
EP (1) EP1197025B1 (de)
JP (1) JP2003504957A (de)
CN (1) CN1171412C (de)
AT (1) ATE422122T1 (de)
AU (1) AU5822100A (de)
DE (1) DE60041492D1 (de)
HK (1) HK1049559B (de)
IL (2) IL147482A0 (de)
PL (1) PL352279A1 (de)
WO (1) WO2001005088A1 (de)

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US8743837B2 (en) 2003-04-10 2014-06-03 Qualcomm Incorporated Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
US7929921B2 (en) * 2003-06-10 2011-04-19 Motorola Mobility, Inc. Diversity control in wireless communications devices and methods
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US7925230B2 (en) * 2006-08-25 2011-04-12 Infineon Technologies Ag Diversity receiver with channel estimator
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KR100793298B1 (ko) 2006-10-16 2008-01-10 삼성전자주식회사 듀얼 수신기 기반의 휴대 단말을 위한 수신 모드 선택 방법
US20080132265A1 (en) * 2006-12-01 2008-06-05 Sony Ericsson Mobile Communications Ab Reducing current consumption with rx diversity circuit
US7856215B2 (en) * 2006-12-06 2010-12-21 Broadcom Corp. Method and system for using a multi-RF input receiver for diversity selection
US20080146163A1 (en) * 2006-12-14 2008-06-19 Motorola, Inc. Diversity control of multi-mode communication devices
US8594171B2 (en) * 2006-12-14 2013-11-26 Qualcomm Incorporated Method and apparatus for operating a diversity receiver with an equalizer and a rake receiver
US20080151871A1 (en) * 2006-12-22 2008-06-26 Nokia Corporation Power-Efficient Multi-Branch Reception
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JP5062259B2 (ja) * 2007-09-25 2012-10-31 富士通株式会社 送信電力制御システム、送信電力制御方法及び端末装置
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US8755849B2 (en) * 2008-05-07 2014-06-17 Broadcom Corporation Method and system for power management in a beamforming system
US20090280751A1 (en) * 2008-05-07 2009-11-12 Ahmadreza Rofougaran Method And System For On-Demand Beamforming
ES2349382B1 (es) * 2009-01-16 2011-11-11 Vodafone España, S.A.U Metodo para activar/desactivar automaticamente una diversidad de recepcion de x-vias de una estacion base en una red movil, en funcion del consumo de banda base.
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CN102158268B (zh) * 2011-01-19 2014-07-09 华为技术有限公司 分集发射及接收的方法、装置及系统
EP2490347A1 (de) * 2011-02-18 2012-08-22 HTC Corporation Verfahren zur Steuerung der Empfangsdiversität zur Verbesserung der Batterielebensdauer und zugehörige Kommunikationsvorrichtung
US8873660B2 (en) 2011-02-24 2014-10-28 Motorola Mobility Llc Diversity control in a wireless communications device
US8611952B2 (en) * 2011-05-11 2013-12-17 Intel Mobile Communications GmbH Mobile communications radio receiver for multiple network operation
EP2723970B1 (de) * 2011-06-22 2019-03-13 Vallourec Drilling Products France Rohrförmige vorrichtung mit funkfrequenz-kommunikation für einen bohrlochkopf
EP2575266B1 (de) * 2011-09-30 2013-12-04 Alcatel Lucent Verfahren, Vorrichtung und Computerprogramm für einen mobilen Sender-Empfänger und einen Basisstations-Sender-Empfänger
US9614606B2 (en) * 2011-12-28 2017-04-04 Qualcomm Incorporated Method and apparatus for power aware receive diversity control
CN103378887B (zh) * 2012-04-20 2017-08-25 南京中兴新软件有限责任公司 射频信号的发送、接收装置及方法
US9853681B2 (en) 2014-11-03 2017-12-26 Apple Inc. Arbitrator for multi-radio antenna switching
US9768825B2 (en) 2014-11-03 2017-09-19 Apple Inc. Wi-Fi adaptive transmit antenna selection
US10020862B2 (en) 2014-11-03 2018-07-10 Apple Inc. Wi-Fi adaptive receiver diversity
US10601472B2 (en) * 2017-11-14 2020-03-24 T-Mobile Usa, Inc. Systems and methods for improving cell-edge receiver performance
CN109768811A (zh) * 2019-02-12 2019-05-17 努比亚技术有限公司 双天线间辐射杂散的控制方法、通信终端及计算机可读存储介质
EP3930201A1 (de) * 2020-06-26 2021-12-29 Hirschmann Car Communication GmbH Betriebsverfahren für eine empfängereinheit

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Also Published As

Publication number Publication date
US7024168B1 (en) 2006-04-04
EP1197025B1 (de) 2009-01-28
WO2001005088A1 (en) 2001-01-18
CN1373951A (zh) 2002-10-09
PL352279A1 (en) 2003-08-11
EP1197025A1 (de) 2002-04-17
ATE422122T1 (de) 2009-02-15
JP2003504957A (ja) 2003-02-04
CN1171412C (zh) 2004-10-13
IL147482A0 (en) 2002-08-14
AU5822100A (en) 2001-01-30
HK1049559B (zh) 2005-05-27
HK1049559A1 (en) 2003-05-16
IL147482A (en) 2007-03-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee