JP2005123788A - 無線通信装置 - Google Patents

無線通信装置 Download PDF

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Publication number
JP2005123788A
JP2005123788A JP2003355038A JP2003355038A JP2005123788A JP 2005123788 A JP2005123788 A JP 2005123788A JP 2003355038 A JP2003355038 A JP 2003355038A JP 2003355038 A JP2003355038 A JP 2003355038A JP 2005123788 A JP2005123788 A JP 2005123788A
Authority
JP
Japan
Prior art keywords
circuit
nth
wireless communication
antenna elements
transmission
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.)
Pending
Application number
JP2003355038A
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English (en)
Japanese (ja)
Other versions
JP2005123788A5 (enExample
Inventor
Yoshihisa Amano
義久 天野
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP2003355038A priority Critical patent/JP2005123788A/ja
Priority to US10/963,734 priority patent/US7366480B2/en
Publication of JP2005123788A publication Critical patent/JP2005123788A/ja
Publication of JP2005123788A5 publication Critical patent/JP2005123788A5/ja
Pending 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
    • H04B7/08—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Transmission System (AREA)
JP2003355038A 2003-10-15 2003-10-15 無線通信装置 Pending JP2005123788A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003355038A JP2005123788A (ja) 2003-10-15 2003-10-15 無線通信装置
US10/963,734 US7366480B2 (en) 2003-10-15 2004-10-14 Radio communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003355038A JP2005123788A (ja) 2003-10-15 2003-10-15 無線通信装置

Publications (2)

Publication Number Publication Date
JP2005123788A true JP2005123788A (ja) 2005-05-12
JP2005123788A5 JP2005123788A5 (enExample) 2006-03-02

Family

ID=34509745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003355038A Pending JP2005123788A (ja) 2003-10-15 2003-10-15 無線通信装置

Country Status (2)

Country Link
US (1) US7366480B2 (enExample)
JP (1) JP2005123788A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100829221B1 (ko) 2007-01-26 2008-05-14 삼성전자주식회사 직교 주파수 분할 다중화 방식의 무선 릴레이 시스템에서의데이터 전송 모드 제어 방법 및 이를 이용한 데이터 전송모드 제어 장치
WO2011093514A1 (ja) * 2010-01-29 2011-08-04 日本電気株式会社 無線通信システム、送信機およびマルチキャリア通信方法
WO2011093511A1 (ja) * 2010-01-29 2011-08-04 日本電気株式会社 無線通信システム、送信機およびマルチキャリア通信方法
JP4777428B2 (ja) * 2006-07-21 2011-09-21 パナソニック株式会社 アンテナ切替装置及び通信装置
JP2014535193A (ja) * 2011-10-04 2014-12-25 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 異なる特性を有する電力増幅器を備えたマルチアンテナワイヤレスデバイス
JP2020039173A (ja) * 2015-07-22 2020-03-12 スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. トランスミッタシステム、高周波モジュールおよび無線装置

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8000737B2 (en) * 2004-10-15 2011-08-16 Sky Cross, Inc. Methods and apparatuses for adaptively controlling antenna parameters to enhance efficiency and maintain antenna size compactness
KR100819881B1 (ko) * 2006-08-16 2008-04-08 삼성전자주식회사 듀얼 밴드 디지털 멀티미디어 방송 수신기
SG174772A1 (en) * 2006-09-11 2011-10-28 Curis Inc Multi-functional small molecules as anti-proliferative agents
JP5073517B2 (ja) * 2008-01-29 2012-11-14 パナソニック株式会社 Ｍｉｍｏアンテナ装置及びそれを備えた無線通信装置
US8199681B2 (en) * 2008-12-12 2012-06-12 General Electric Company Software radio frequency canceller
US8682261B2 (en) * 2009-02-13 2014-03-25 Qualcomm Incorporated Antenna sharing for wirelessly powered devices
EP2465309B1 (en) * 2009-08-14 2016-10-05 BlackBerry Limited Method and apparatus for configuring a power sharing carrier set in the context of carrier aggregation
JP5938737B2 (ja) * 2011-06-01 2016-06-22 パナソニックＩｐマネジメント株式会社 レーダ装置
US10566843B2 (en) * 2014-07-15 2020-02-18 Qorvo Us, Inc. Wireless charging circuit
US10559970B2 (en) * 2014-09-16 2020-02-11 Qorvo Us, Inc. Method for wireless charging power control
CN105491190A (zh) * 2015-11-28 2016-04-13 广东欧珀移动通信有限公司 一种多天线的选择方法和移动终端

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3235769B2 (ja) 1995-09-21 2001-12-04 株式会社エヌ・ティ・ティ・ドコモ 包絡線平滑化伝送装置及び受信装置
JP2000068958A (ja) 1998-08-26 2000-03-03 Toshiba Corp 無線送信装置
US6952454B1 (en) * 2000-03-22 2005-10-04 Qualcomm, Incorporated Multiplexing of real time services and non-real time services for OFDM systems
US6760388B2 (en) * 2001-12-07 2004-07-06 Qualcomm Incorporated Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
KR100464014B1 (ko) * 2002-03-21 2004-12-30 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 폐루프 신호 처리 방법
CN100385826C (zh) * 2002-06-24 2008-04-30 美国博通公司 采用多路复用接收链处理的降低复杂度的天线系统
US20040081131A1 (en) * 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US7133646B1 (en) * 2003-12-29 2006-11-07 Miao George J Multimode and multiband MIMO transceiver of W-CDMA, WLAN and UWB communications
US7366485B2 (en) * 2004-03-04 2008-04-29 Matsushita Electric Industrial Co., Ltd. Multimode wireless transmitter and a portable wireless device using the same
KR100923389B1 (ko) * 2004-04-15 2009-10-23 콸콤 인코포레이티드 다중-반송파 통신 방법 및 장치
US7139328B2 (en) * 2004-11-04 2006-11-21 Motorola, Inc. Method and apparatus for closed loop data transmission
US7787843B2 (en) * 2005-03-29 2010-08-31 Broadcom Corporation Multiple band direct conversion radio frequency transceiver integrated circuit
US7395040B2 (en) * 2005-03-29 2008-07-01 Broadcom Corporation Multiple band multiple input multiple output transceiver integrated circuit

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4777428B2 (ja) * 2006-07-21 2011-09-21 パナソニック株式会社 アンテナ切替装置及び通信装置
KR100829221B1 (ko) 2007-01-26 2008-05-14 삼성전자주식회사 직교 주파수 분할 다중화 방식의 무선 릴레이 시스템에서의데이터 전송 모드 제어 방법 및 이를 이용한 데이터 전송모드 제어 장치
US7944809B2 (en) 2007-01-26 2011-05-17 Samsung Electronics Co., Ltd. Method of controlling data transmission mode in an orthogonal frequency division multiplexing wireless relay system and apparatus using the method
WO2011093514A1 (ja) * 2010-01-29 2011-08-04 日本電気株式会社 無線通信システム、送信機およびマルチキャリア通信方法
WO2011093511A1 (ja) * 2010-01-29 2011-08-04 日本電気株式会社 無線通信システム、送信機およびマルチキャリア通信方法
JPWO2011093514A1 (ja) * 2010-01-29 2013-06-06 日本電気株式会社 無線通信システム、送信機およびマルチキャリア通信方法
JPWO2011093511A1 (ja) * 2010-01-29 2013-06-06 日本電気株式会社 無線通信システム、送信機およびマルチキャリア通信方法
JP2014535193A (ja) * 2011-10-04 2014-12-25 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 異なる特性を有する電力増幅器を備えたマルチアンテナワイヤレスデバイス
JP2016076969A (ja) * 2011-10-04 2016-05-12 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 異なる特性を有する電力増幅器を備えたマルチアンテナワイヤレスデバイス
JP2020039173A (ja) * 2015-07-22 2020-03-12 スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. トランスミッタシステム、高周波モジュールおよび無線装置

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Publication number Publication date
US20050085196A1 (en) 2005-04-21
US7366480B2 (en) 2008-04-29

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