CN102687576A - 无线基站 - Google Patents

无线基站 Download PDF

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Publication number
CN102687576A
CN102687576A CN2010800470967A CN201080047096A CN102687576A CN 102687576 A CN102687576 A CN 102687576A CN 2010800470967 A CN2010800470967 A CN 2010800470967A CN 201080047096 A CN201080047096 A CN 201080047096A CN 102687576 A CN102687576 A CN 102687576A
Authority
CN
China
Prior art keywords
reference signal
srs
mobile station
base station
radio base
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
CN2010800470967A
Other languages
English (en)
Chinese (zh)
Inventor
清岛耕平
大久保尚人
石井启之
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.)
NTT Docomo Inc
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 CN102687576A publication Critical patent/CN102687576A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/347—Path loss
    • 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
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CN2010800470967A 2009-10-19 2010-10-19 无线基站 Pending CN102687576A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009240356A JP5017345B2 (ja) 2009-10-19 2009-10-19 無線基地局
JP2009-240356 2009-10-19
PCT/JP2010/068308 WO2011049056A1 (ja) 2009-10-19 2010-10-19 無線基地局

Publications (1)

Publication Number Publication Date
CN102687576A true CN102687576A (zh) 2012-09-19

Family

ID=43900282

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010800470967A Pending CN102687576A (zh) 2009-10-19 2010-10-19 无线基站

Country Status (5)

Country Link
US (1) US20120252513A1 (https=)
EP (1) EP2493258A1 (https=)
JP (1) JP5017345B2 (https=)
CN (1) CN102687576A (https=)
WO (1) WO2011049056A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5697483B2 (ja) * 2011-02-23 2015-04-08 京セラ株式会社 無線通信システム、無線基地局及び通信制御方法
CN103260245B (zh) * 2012-02-21 2016-08-10 普天信息技术研究院有限公司 一种调整侦听参考信号带宽的方法和装置
JP5949402B2 (ja) * 2012-09-28 2016-07-06 富士通株式会社 受信装置及び受信方法
CN106900062B (zh) * 2015-12-18 2021-08-24 上海诺基亚贝尔股份有限公司 用于通信系统的信号处理方法和设备
US11026142B2 (en) 2016-01-20 2021-06-01 Qualcomm Incorporated Techniques for providing uplink-based mobility
CN115038154B (zh) * 2017-06-16 2025-08-15 中兴通讯股份有限公司 发送功率的确定方法及装置、终端

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1770892A (zh) * 2004-11-05 2006-05-10 株式会社Ntt都科摩 基站和发送功率控制方法
WO2008108228A1 (ja) * 2007-03-01 2008-09-12 Ntt Docomo, Inc. 基地局装置及び通信制御方法
WO2009022668A1 (ja) * 2007-08-14 2009-02-19 Ntt Docomo, Inc. ユーザ装置及び基地局装置並びに送信制御方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8437792B2 (en) * 2007-02-14 2013-05-07 Qualcomm Incorporated Uplink power control for LTE
EP3447941B1 (en) * 2007-08-08 2022-10-05 Godo Kaisha IP Bridge 1 Communication device and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1770892A (zh) * 2004-11-05 2006-05-10 株式会社Ntt都科摩 基站和发送功率控制方法
WO2008108228A1 (ja) * 2007-03-01 2008-09-12 Ntt Docomo, Inc. 基地局装置及び通信制御方法
WO2009022668A1 (ja) * 2007-08-14 2009-02-19 Ntt Docomo, Inc. ユーザ装置及び基地局装置並びに送信制御方法

Also Published As

Publication number Publication date
JP2011087233A (ja) 2011-04-28
JP5017345B2 (ja) 2012-09-05
US20120252513A1 (en) 2012-10-04
WO2011049056A1 (ja) 2011-04-28
EP2493258A1 (en) 2012-08-29

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Legal Events

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120919