TW200718233A - Base station and communication system - Google Patents

Base station and communication system

Info

Publication number
TW200718233A
TW200718233A TW095130807A TW95130807A TW200718233A TW 200718233 A TW200718233 A TW 200718233A TW 095130807 A TW095130807 A TW 095130807A TW 95130807 A TW95130807 A TW 95130807A TW 200718233 A TW200718233 A TW 200718233A
Authority
TW
Taiwan
Prior art keywords
reception timing
reception
base station
timing
existent
Prior art date
Application number
TW095130807A
Other languages
English (en)
Other versions
TWI315964B (zh
Inventor
Teruo Kawamura
Yoshihisa Kishiyama
Kenichi Higuchi
Mamoru Sawahashi
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of TW200718233A publication Critical patent/TW200718233A/zh
Application granted granted Critical
Publication of TWI315964B publication Critical patent/TWI315964B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radio Transmission System (AREA)
TW095130807A 2005-08-23 2006-08-22 Base station and communication system TW200718233A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005241900 2005-08-23
JP2005317571A JP4202355B2 (ja) 2005-08-23 2005-10-31 基地局及び通信システム

Publications (2)

Publication Number Publication Date
TW200718233A true TW200718233A (en) 2007-05-01
TWI315964B TWI315964B (zh) 2009-10-11

Family

ID=37771512

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095130807A TW200718233A (en) 2005-08-23 2006-08-22 Base station and communication system

Country Status (7)

Country Link
US (1) US7912030B2 (zh)
EP (1) EP1919232A4 (zh)
JP (1) JP4202355B2 (zh)
KR (1) KR101179160B1 (zh)
CN (1) CN101283615B (zh)
TW (1) TW200718233A (zh)
WO (1) WO2007023767A1 (zh)

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US7645671B2 (en) 2006-11-13 2010-01-12 Micron Technology, Inc. Recessed access device for a memory
US8112041B2 (en) 2007-03-14 2012-02-07 Sharp Kabushiki Kaisha Systems and methods for generating sequences that are nearest to a set of sequences with minimum average cross-correlation
US8611440B2 (en) 2007-10-30 2013-12-17 Huawei Technologies Co., Ltd. Systems and methods for generating sequences that are nearest to a set of sequences with minimum average cross-correlation
US20080225688A1 (en) 2007-03-14 2008-09-18 Kowalski John M Systems and methods for improving reference signals for spatially multiplexed cellular systems
US20080310383A1 (en) * 2007-06-15 2008-12-18 Sharp Laboratories Of America, Inc. Systems and methods for designing a sequence for code modulation of data and channel estimation
BRPI0812566A2 (pt) 2007-06-21 2012-12-25 Electronics And Telecommunications Research Institute mÉtodos de seleÇço e de formaÇço de sinal em sistema de comunicaÇÕes sem fio e equipamentos de estaÇço de base e de terminal
JP4994168B2 (ja) 2007-09-25 2012-08-08 株式会社日立国際電気 通信機
JP5115186B2 (ja) 2007-12-27 2013-01-09 富士通株式会社 無線通信システムにおける制御方法
KR101498297B1 (ko) * 2008-11-23 2015-03-05 엘지전자 주식회사 무선 통신 시스템에서 데이터 전송 방법
WO2010084821A1 (ja) * 2009-01-26 2010-07-29 シャープ株式会社 移動通信システム、基地局装置、移動局装置および移動通信方法
JP2010263489A (ja) 2009-05-08 2010-11-18 Sony Corp 通信装置及び通信方法、コンピューター・プログラム、並びに通信システム
WO2011124010A1 (zh) * 2010-04-06 2011-10-13 上海贝尔股份有限公司 载波聚合的无线网络中用于定时提前的方法和装置
US20130142177A1 (en) * 2010-06-02 2013-06-06 Nokia Corporation Method and apparatus for adjacent-channel emission limit depending on synchronization of interfered receiver
JP4878651B1 (ja) * 2010-09-17 2012-02-15 シャープ株式会社 移動局装置、通信システム、通信方法および集積回路
US8837366B2 (en) * 2012-03-19 2014-09-16 Apple Inc. Method to use network measurements to optimize mobile wireless device performance
CN103379617B (zh) * 2012-04-26 2016-08-10 华为技术有限公司 一种用户设备到用户设备的通信方法及用户设备
JP6142483B2 (ja) * 2012-08-21 2017-06-07 三菱電機株式会社 通信端末
JP6036001B2 (ja) * 2012-08-21 2016-11-30 三菱電機株式会社 通信端末
WO2015163014A1 (ja) * 2014-04-24 2015-10-29 ソニー株式会社 無線通信装置及び無線通信方法
JP7119569B2 (ja) * 2018-05-23 2022-08-17 ソニーグループ株式会社 無線通信装置および無線通信方法
CN110635882B (zh) * 2018-06-25 2020-10-02 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置

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JPH0819038A (ja) 1994-06-30 1996-01-19 Nec Corp 無線基地局間の局間同期方式
JP2653421B2 (ja) 1994-09-22 1997-09-17 郵政省通信総合研究所長 直交スペクトル拡散通信方式、符号分割多元接続方式及び符号分割多元接続セルラー方式
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Also Published As

Publication number Publication date
EP1919232A1 (en) 2008-05-07
CN101283615A (zh) 2008-10-08
WO2007023767A1 (ja) 2007-03-01
KR101179160B1 (ko) 2012-09-03
CN101283615B (zh) 2011-07-13
JP4202355B2 (ja) 2008-12-24
TWI315964B (zh) 2009-10-11
US20090135791A1 (en) 2009-05-28
KR20080036224A (ko) 2008-04-25
US7912030B2 (en) 2011-03-22
JP2007089108A (ja) 2007-04-05
EP1919232A4 (en) 2014-12-17

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