JP5537212B2 - 無線基地局 - Google Patents

無線基地局 Download PDF

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Publication number
JP5537212B2
JP5537212B2 JP2010070678A JP2010070678A JP5537212B2 JP 5537212 B2 JP5537212 B2 JP 5537212B2 JP 2010070678 A JP2010070678 A JP 2010070678A JP 2010070678 A JP2010070678 A JP 2010070678A JP 5537212 B2 JP5537212 B2 JP 5537212B2
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JP
Japan
Prior art keywords
base station
unit
radio
signal
measurement
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
JP2010070678A
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English (en)
Japanese (ja)
Other versions
JP2011205410A (ja
JP2011205410A5 (enExample
Inventor
孝則 三浦
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.)
Kyocera Corp
Original Assignee
Kyocera 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 Kyocera Corp filed Critical Kyocera Corp
Priority to JP2010070678A priority Critical patent/JP5537212B2/ja
Priority to PCT/JP2011/057237 priority patent/WO2011118730A1/ja
Priority to US13/637,304 priority patent/US9237052B2/en
Publication of JP2011205410A publication Critical patent/JP2011205410A/ja
Publication of JP2011205410A5 publication Critical patent/JP2011205410A5/ja
Application granted granted Critical
Publication of JP5537212B2 publication Critical patent/JP5537212B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2010070678A 2010-03-25 2010-03-25 無線基地局 Expired - Fee Related JP5537212B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010070678A JP5537212B2 (ja) 2010-03-25 2010-03-25 無線基地局
PCT/JP2011/057237 WO2011118730A1 (ja) 2010-03-25 2011-03-24 無線基地局及び通信制御方法
US13/637,304 US9237052B2 (en) 2010-03-25 2011-03-24 Radio base station and communication control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010070678A JP5537212B2 (ja) 2010-03-25 2010-03-25 無線基地局

Publications (3)

Publication Number Publication Date
JP2011205410A JP2011205410A (ja) 2011-10-13
JP2011205410A5 JP2011205410A5 (enExample) 2013-03-14
JP5537212B2 true JP5537212B2 (ja) 2014-07-02

Family

ID=44673275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010070678A Expired - Fee Related JP5537212B2 (ja) 2010-03-25 2010-03-25 無線基地局

Country Status (3)

Country Link
US (1) US9237052B2 (enExample)
JP (1) JP5537212B2 (enExample)
WO (1) WO2011118730A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2807881A4 (en) * 2012-01-29 2015-07-08 Alcatel Lucent UPLINK OVERLOAD INDICATORS FOR WIRELESS TIME DUPLEX COMMUNICATION SYSTEMS
EP3316637A4 (en) * 2015-07-17 2018-06-27 Huawei Technologies Co., Ltd. Method and apparatus for acquiring configuration information
US12418815B2 (en) 2020-03-30 2025-09-16 Nec Corporation Interference detection apparatus, radio base station, interference detection method, and program
JP7409482B2 (ja) * 2020-03-30 2024-01-09 日本電気株式会社 干渉検出装置、無線基地局、干渉検出方法、及びプログラム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7529525B1 (en) 2002-04-16 2009-05-05 Faulkner Interstices Llc Method and apparatus for collecting information for use in a smart antenna system
US6862440B2 (en) * 2002-05-29 2005-03-01 Intel Corporation Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration
WO2005078945A1 (en) 2004-02-13 2005-08-25 Matsushita Electric Industrial Co., Ltd. Wireless communications system and wireless digital receiver for use therein
US7573851B2 (en) * 2004-12-07 2009-08-11 Adaptix, Inc. Method and system for switching antenna and channel assignments in broadband wireless networks
GB2447439B (en) * 2007-02-02 2012-01-25 Ubiquisys Ltd Access point power control
US8379738B2 (en) * 2007-03-16 2013-02-19 Samsung Electronics Co., Ltd. Methods and apparatus to improve performance and enable fast decoding of transmissions with multiple code blocks
JP5106193B2 (ja) * 2007-03-23 2012-12-26 パナソニック株式会社 無線送信装置
WO2008129811A1 (ja) 2007-03-23 2008-10-30 Panasonic Corporation 無線送信装置及び無線受信装置
KR20080093746A (ko) 2007-04-18 2008-10-22 삼성전자주식회사 저잡음 증폭기를 상하향 공용으로 구성하는 시분할 이중화방식의 원격 스테이션 및 이를 이용한 유선 중계 방법
EP2131545B1 (en) * 2008-05-14 2012-11-28 Telefonaktiebolaget LM Ericsson (publ) Technique for peak power reduction
WO2010004830A1 (ja) * 2008-07-07 2010-01-14 住友電気工業株式会社 基地局装置
US8670432B2 (en) * 2009-06-22 2014-03-11 Qualcomm Incorporated Methods and apparatus for coordination of sending reference signals from multiple cells

Also Published As

Publication number Publication date
JP2011205410A (ja) 2011-10-13
US20130028125A1 (en) 2013-01-31
WO2011118730A1 (ja) 2011-09-29
US9237052B2 (en) 2016-01-12

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