KR20090061680A - 다중 송신 신호 경로들을 갖는 무선 디바이스에 대한 송신 전력 감소 - Google Patents

다중 송신 신호 경로들을 갖는 무선 디바이스에 대한 송신 전력 감소 Download PDF

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Publication number
KR20090061680A
KR20090061680A KR1020097011172A KR20097011172A KR20090061680A KR 20090061680 A KR20090061680 A KR 20090061680A KR 1020097011172 A KR1020097011172 A KR 1020097011172A KR 20097011172 A KR20097011172 A KR 20097011172A KR 20090061680 A KR20090061680 A KR 20090061680A
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KR
South Korea
Prior art keywords
signal
transmit
signal path
antenna
output signal
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.)
Withdrawn
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KR1020097011172A
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English (en)
Korean (ko)
Inventor
케네스 찰스 바넷
찰스 제이 페르시코
폴 피터젤
Original Assignee
퀄컴 인코포레이티드
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.)
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Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20090061680A publication Critical patent/KR20090061680A/ko
Withdrawn legal-status Critical Current

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    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation 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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/221—TPC being performed according to specific parameters taking into account previous information or commands using past power control commands
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Telephone Function (AREA)
  • Transmitters (AREA)
KR1020097011172A 2004-12-21 2005-12-21 다중 송신 신호 경로들을 갖는 무선 디바이스에 대한 송신 전력 감소 Withdrawn KR20090061680A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/020,054 US7660598B2 (en) 2004-12-21 2004-12-21 Transmit power reduction for a wireless device with multiple transmit signal paths
US11/020,054 2004-12-21

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020077016182A Division KR20070094000A (ko) 2004-12-21 2005-12-21 다중 송신 신호 경로들을 갖는 무선 디바이스에 대한 송신전력 감소

Publications (1)

Publication Number Publication Date
KR20090061680A true KR20090061680A (ko) 2009-06-16

Family

ID=36128351

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020097011172A Withdrawn KR20090061680A (ko) 2004-12-21 2005-12-21 다중 송신 신호 경로들을 갖는 무선 디바이스에 대한 송신 전력 감소
KR1020077016182A Ceased KR20070094000A (ko) 2004-12-21 2005-12-21 다중 송신 신호 경로들을 갖는 무선 디바이스에 대한 송신전력 감소

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020077016182A Ceased KR20070094000A (ko) 2004-12-21 2005-12-21 다중 송신 신호 경로들을 갖는 무선 디바이스에 대한 송신전력 감소

Country Status (7)

Country Link
US (1) US7660598B2 (enExample)
EP (1) EP1829246A2 (enExample)
JP (6) JP4653179B2 (enExample)
KR (2) KR20090061680A (enExample)
CN (1) CN101124747A (enExample)
CA (1) CA2590659A1 (enExample)
WO (1) WO2006069321A2 (enExample)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5507134A (en) 1992-07-21 1996-04-16 Ishida Co., Ltd. Package rectifying apparatus
US8249187B2 (en) 2002-05-09 2012-08-21 Google Inc. System, method and apparatus for mobile transmit diversity using symmetric phase difference
US7729714B2 (en) 2005-12-20 2010-06-01 Qualcomm Incorporated Method and apparatus for reverse link transmit beam-forming
US8150441B2 (en) * 2006-11-06 2012-04-03 Magnolia Broadband Inc. Modifying a signal by controlling transmit diversity parameters
US8199735B2 (en) 2006-12-12 2012-06-12 Google Inc. Method, system and apparatus for the control of transmit diversity
US9590715B2 (en) * 2006-12-22 2017-03-07 Sony Corporation WCDMA power saving with transmit diversity
US20080160990A1 (en) * 2006-12-29 2008-07-03 Yair Karmi System, method and apparatus for identification of power control using reverse rate indication
US8750811B2 (en) * 2007-03-14 2014-06-10 Google Inc. Method, apparatus and system for phase difference adjustment in transmit diversity
US8699968B2 (en) 2007-03-14 2014-04-15 Google Inc. Using multiple and a single feedback for UE uplink beamforming in soft handoff
US8032091B2 (en) * 2007-03-14 2011-10-04 Magnolia Broadband Inc. Method, apparatus and system for providing transmit diversity feedback during soft handoff
US8014734B2 (en) * 2007-03-15 2011-09-06 Magnolia Broadband Inc. Method, apparatus and system for controlling a transmit diversity device
US8036603B2 (en) 2007-03-15 2011-10-11 Magnolia Broadband Inc. Method, apparatus and system for providing feedback to a transmit diversity device
JP4877197B2 (ja) * 2007-11-02 2012-02-15 日本電気株式会社 無線ダイバーシティ受信装置および受信方法
US8260370B2 (en) * 2008-01-03 2012-09-04 Kyocera Corporation Method and apparatus for powering a wireless peripheral
FI120993B (fi) * 2008-04-04 2010-05-31 Digita Oy Menetelmä ja järjestelmä radiolähetysjärjestelmän lineaarisuuden ja hyötysuhteen parantamiseksi
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
EP2890190B8 (en) 2009-02-03 2019-12-25 Sharp Kabushiki Kaisha Wireless communication system, base station apparatus, mobile station apparatus, and communication method
GB2472013B (en) * 2009-07-20 2015-04-29 Nvidia Technology Uk Ltd Adaptive transmission
US8462741B2 (en) 2009-08-04 2013-06-11 Qualcomm Incorporated Uplink power control for multiple transmit antennas
US8914067B2 (en) 2009-10-05 2014-12-16 Telefonaktiebolaget L M Ericsson (Publ) Uplink Transmit diversity
US10110288B2 (en) * 2009-11-04 2018-10-23 Atc Technologies, Llc Frequency division duplex (FDD) return link transmit diversity systems, methods and devices using forward link side information
US9144040B2 (en) 2010-04-01 2015-09-22 Futurewei Technologies, Inc. System and method for uplink multi-antenna power control in a communications system
WO2011150266A1 (en) 2010-05-26 2011-12-01 Magnolia Broadband Inc. Method and apparatus for random access channel probe initialization using transmit diversity
US9048913B2 (en) * 2010-07-06 2015-06-02 Google Inc. Method and apparatus for adaptive control of transmit diversity to provide operating power reduction
US9190723B1 (en) 2010-09-28 2015-11-17 The Board of Trustees for and on behalf of the University of Alabama Multi-input and multi-output (MIMO) antenna system with absorbers for reducing interference
EP2641341A4 (en) 2010-11-18 2014-06-25 Ericsson Telefon Ab L M METHODS AND DEVICES FOR CONFIGURING ANTENNA MODE FOR UPLINK COMMUNICATION
US8849222B2 (en) 2011-02-16 2014-09-30 Google Inc. Method and device for phase adjustment based on closed-loop diversity feedback
US20130051261A1 (en) * 2011-06-21 2013-02-28 Telefonaktiebolaget Lm Ericsson (Publ) Selecting Uplink Multi-Antenna Transmission to Enhance Coverage
EP2597803B1 (en) * 2011-06-24 2017-08-09 Sun Patent Trust Transmission device, transmission method, receiving device and receiving method
ES2658405T3 (es) * 2013-07-16 2018-03-09 Huawei Technologies Co., Ltd. Método y sistema para el control de la potencia de transmisión y dispositivo de transmisión
KR102191800B1 (ko) 2014-03-28 2020-12-17 삼성전자주식회사 안테나 스위칭 방법
CN105307291B (zh) * 2014-05-28 2019-10-15 南京中兴软件有限责任公司 移动通讯终端及移动通讯终端的信号发射方法
US20170064638A1 (en) * 2015-09-01 2017-03-02 Qualcomm Incorporated Method and apparatus for power control in d2d/wan coexistence networks
US10531228B2 (en) * 2015-12-16 2020-01-07 Sk Planet Co., Ltd. Approaching user detection, user authentication and location registration method and apparatus based on RF fingerprint
US10256783B2 (en) * 2016-11-29 2019-04-09 Taiwan Semiconductor Manufacturing Co., Ltd. Dual-mode RF transmission frontend
CN111183593B (zh) * 2017-10-02 2022-10-18 联想（新加坡）私人有限公司 上行链路功率控制
CN111865392B (zh) * 2019-04-24 2021-10-22 华为技术有限公司 一种极化可重构装置、通信设备以及极化重构方法
EP4270798A4 (en) 2021-03-08 2024-05-29 Samsung Electronics Co., Ltd. ELECTRONIC DEVICE AND METHOD FOR CONTROLLING POWER OF A TRANSFORMABLE SIGNAL IN A TRANSFORMABLE ELECTRONIC DEVICE
US11843443B1 (en) 2021-04-20 2023-12-12 Apple Inc. Adaptive operation to mitigate specular reflections

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60214641A (ja) * 1984-04-10 1985-10-26 Nec Corp 時分割多方向通信のスペース・ダイバシティ通信方式
JPS6473832A (en) * 1987-09-14 1989-03-20 Fujitsu Ltd Transmission space diversity system
GB9019489D0 (en) * 1990-09-06 1990-10-24 Ncr Co Antenna control for a wireless local area network station
US5570349A (en) * 1994-06-07 1996-10-29 Stanford Telecommunications, Inc. Wireless direct sequence spread spectrum digital cellular telephone system
DE69432844T2 (de) * 1993-04-29 2004-05-19 Ericsson Inc. Zeitdiversityübertragungssystem zum Herabsetzung der Nachbarkanalstörung in Mobiltelefonsystemen
CA2118355C (en) * 1993-11-30 2002-12-10 Michael James Gans Orthogonal polarization and time varying offsetting of signals for digital data transmission or reception
EP0755127B1 (en) 1995-07-19 2003-08-27 Nec Corporation CDMA diversity transmission system
US5960039A (en) * 1996-04-10 1999-09-28 Lucent Technologies Inc. Methods and apparatus for high data rate transmission in narrowband mobile radio channels
JPH1022887A (ja) * 1996-07-01 1998-01-23 Alps Electric Co Ltd 無線通信装置
US5768691A (en) * 1996-08-07 1998-06-16 Nokia Mobile Phones Limited Antenna switching circuits for radio telephones
JPH10135887A (ja) * 1996-10-31 1998-05-22 Matsushita Electric Ind Co Ltd 受信アッテネータ装置
FR2765063B1 (fr) * 1997-06-23 1999-09-24 Alsthom Cge Alcatel Station de base a diversite d'antennes pour l'emission de canaux unidirectionnels, et procede correspondant d'emission d'un canal unidirectionnel par une station de base
JP3031327B2 (ja) * 1998-03-26 2000-04-10 日本電気株式会社 スペクトラム拡散通信システムおよびその過負荷制御方法
JP2002026796A (ja) * 1998-04-07 2002-01-25 Matsushita Electric Ind Co Ltd 無線通信装置及び無線通信システム
GB9901789D0 (en) * 1998-04-22 1999-03-17 Koninkl Philips Electronics Nv Antenna diversity system
JP2000040988A (ja) * 1998-07-23 2000-02-08 Sony Corp 無線通信装置
JP2002026789A (ja) * 1998-09-11 2002-01-25 Matsushita Electric Ind Co Ltd 通信装置および指向性送信方法
CA2371384C (en) * 1999-05-19 2006-02-21 Nokia Networks Oy Transmit diversity method and system
US6594473B1 (en) * 1999-05-28 2003-07-15 Texas Instruments Incorporated Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities
GB2353437A (en) 1999-08-17 2001-02-21 Fujitsu Ltd Diversity transmission means with phase adjustment depending upon a feedback signal supplied to the transmitter by the receiver
US6473600B1 (en) * 1999-12-13 2002-10-29 Koninklijke Philips Electronics N.V. Mobile phone with increased transmitter efficiency employing two transmit antennas
JP3478242B2 (ja) * 2000-05-18 2003-12-15 日本電気株式会社 Ｃｄｍａ移動通信システムの移動機
US20020118783A1 (en) * 2001-02-26 2002-08-29 Peter Cripps Smart antenna based spectrum multiplexing using a pilot signal
JP3818078B2 (ja) * 2001-03-30 2006-09-06 株式会社デンソー ダイバーシティ無線機
US7321636B2 (en) * 2001-05-31 2008-01-22 Magnolia Broadband Inc. Communication device with smart antenna using a quality-indication signal
GB2376843B (en) 2001-06-18 2005-01-12 Ubinetics Ltd A transmitter station and a radiotelephone system including a transmitter station
JP2003018053A (ja) * 2001-06-28 2003-01-17 Nippon Soken Inc 通信装置
JP2003078957A (ja) * 2001-08-31 2003-03-14 Nec Corp 複合情報端末、移動通信システム、その制御方法
JP3577021B2 (ja) * 2001-09-12 2004-10-13 埼玉日本電気株式会社 移動局および移動局における電界状態判定方法
WO2003026335A1 (en) * 2001-09-14 2003-03-27 Fujitsu Limited Mobile communication system, mobile station and base station
WO2003049322A1 (en) * 2001-11-30 2003-06-12 Fujitsu Limited Transmission diversity communication device
JP2003258653A (ja) * 2002-02-26 2003-09-12 Toshiba Corp 移動無線端末
US6862434B2 (en) * 2002-07-26 2005-03-01 Qualcomm Inc. Transmission diversity systems
WO2004015887A1 (en) 2002-08-05 2004-02-19 Nokia Corporation Transmission diversity with two cross-polarised antennas arrays
US7212788B2 (en) * 2002-08-13 2007-05-01 Atheros Communications, Inc. Method and apparatus for signal power loss reduction in RF communication systems
JP2004135054A (ja) * 2002-10-10 2004-04-30 Mitsubishi Electric Corp 携帯電話
WO2004042956A2 (en) * 2002-11-01 2004-05-21 Magnolia Broadband Inc. Processing diversity signals using a delay
US7069052B2 (en) 2002-11-04 2006-06-27 Nokia Corporation Data transmission method in base station of radio system, base station of radio system, and antenna array of base station
JP2004179921A (ja) * 2002-11-27 2004-06-24 Matsushita Electric Ind Co Ltd 無線装置
US7062232B2 (en) * 2002-12-11 2006-06-13 Qualcomm Incorporated Switched antenna transmit diversity
US7024166B2 (en) * 2002-12-18 2006-04-04 Qualcomm, Incorporated Transmission diversity systems
CN100479350C (zh) * 2003-03-12 2009-04-15 日本电气株式会社 发射束控制方法、自适应天线收发设备及无线电基站
US7327811B2 (en) * 2003-04-01 2008-02-05 Telefonaktiebolaget L M Ericsson Method and apparatus for facilitating signal discrimination in a wireless network by applying known frequency offsets
FI20030777A0 (fi) * 2003-05-22 2003-05-22 Nokia Corp Lähetysdiversiteetin kertaluvun ja lähetyshaarojen määritys
US7929921B2 (en) * 2003-06-10 2011-04-19 Motorola Mobility, Inc. Diversity control in wireless communications devices and methods
US7383063B2 (en) * 2003-09-18 2008-06-03 Kyocera Wireless Corp. Communication device with diversity antenna
US7177662B2 (en) * 2004-04-02 2007-02-13 Broadcom Corporation Multimode wireless communication device
US7330698B1 (en) * 2004-04-27 2008-02-12 Piping Hot Networks Ltd. Intelligent spectrum management in a multiple input multiple output (MIMO) wireless communications system
US7333455B1 (en) * 2004-04-27 2008-02-19 Piping Hot Networks Ltd Multiple input multiple output (MIMO) wireless communications system
US20050245280A1 (en) * 2004-04-30 2005-11-03 Ke Liu Apparatus, and associated method, for facilitating closed-loop power control in a communication system utilizing a multiple transmit antenna configuration

Also Published As

Publication number Publication date
JP2013179670A (ja) 2013-09-09
JP5129306B2 (ja) 2013-01-30
EP1829246A2 (en) 2007-09-05
WO2006069321A3 (en) 2006-11-02
KR20070094000A (ko) 2007-09-19
JP4653179B2 (ja) 2011-03-16
JP2011045055A (ja) 2011-03-03
JP2011061771A (ja) 2011-03-24
WO2006069321A2 (en) 2006-06-29
JP2008524971A (ja) 2008-07-10
JP2013062834A (ja) 2013-04-04
JP2011061772A (ja) 2011-03-24
US7660598B2 (en) 2010-02-09
US20060135079A1 (en) 2006-06-22
CA2590659A1 (en) 2006-06-29
CN101124747A (zh) 2008-02-13

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