US20110183673A1 - Radio base station apparatus and mobile terminal - Google Patents

Radio base station apparatus and mobile terminal Download PDF

Info

Publication number
US20110183673A1
US20110183673A1 US13/058,468 US200913058468A US2011183673A1 US 20110183673 A1 US20110183673 A1 US 20110183673A1 US 200913058468 A US200913058468 A US 200913058468A US 2011183673 A1 US2011183673 A1 US 2011183673A1
Authority
US
United States
Prior art keywords
mobile terminal
cell selection
base station
reference signal
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.)
Abandoned
Application number
US13/058,468
Other languages
English (en)
Inventor
Yoshihisa Kishiyama
Motohiro Tannno
Mamoru Sawahashi
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
Assigned to NTT DOCOMO, INC. reassignment NTT DOCOMO, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KISHIYAMA, YOSHIHISA, SAWAHASHI, MAMORU, TANNO, MOTOHIRO
Publication of US20110183673A1 publication Critical patent/US20110183673A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
US13/058,468 2008-08-11 2009-07-27 Radio base station apparatus and mobile terminal Abandoned US20110183673A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008207505A JP5103323B2 (ja) 2008-08-11 2008-08-11 無線基地局装置及び移動端末装置
JP2008-207505 2008-08-11
PCT/JP2009/063321 WO2010018742A1 (ja) 2008-08-11 2009-07-27 無線基地局装置及び移動端末装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/063321 A-371-Of-International WO2010018742A1 (ja) 2008-08-11 2009-07-27 無線基地局装置及び移動端末装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/480,933 Continuation US9232447B2 (en) 2008-08-11 2014-09-09 Radio base station apparatus and mobile terminal

Publications (1)

Publication Number Publication Date
US20110183673A1 true US20110183673A1 (en) 2011-07-28

Family

ID=41668888

Family Applications (2)

Application Number Title Priority Date Filing Date
US13/058,468 Abandoned US20110183673A1 (en) 2008-08-11 2009-07-27 Radio base station apparatus and mobile terminal
US14/480,933 Active US9232447B2 (en) 2008-08-11 2014-09-09 Radio base station apparatus and mobile terminal

Family Applications After (1)

Application Number Title Priority Date Filing Date
US14/480,933 Active US9232447B2 (en) 2008-08-11 2014-09-09 Radio base station apparatus and mobile terminal

Country Status (6)

Country Link
US (2) US20110183673A1 (ja)
EP (1) EP2315476B1 (ja)
JP (1) JP5103323B2 (ja)
KR (1) KR101597667B1 (ja)
CN (2) CN103501522B (ja)
WO (1) WO2010018742A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130165169A1 (en) * 2011-12-26 2013-06-27 Kt Corporation Controlling radio units to transmitting signal with different transmission power
US9357505B2 (en) 2011-12-26 2016-05-31 Kt Corporation Processing digital signal
US20180035386A1 (en) * 2015-02-13 2018-02-01 Sharp Kabushiki Kaisha Base station apparatus, terminal apparatus, and communication method
US10278168B2 (en) * 2017-05-04 2019-04-30 At&T Intellectual Property I, L.P. Multi-stage segmented downlink control information with reduced overhead

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101498079B1 (ko) * 2010-03-04 2015-03-03 엘지전자 주식회사 분산 안테나 시스템에서의 신호 송수신 장치
CN102271354A (zh) * 2010-06-02 2011-12-07 中兴通讯股份有限公司 Lte系统中的链路自适应方法、基站和终端
US9572151B2 (en) 2012-10-09 2017-02-14 Telefonaktiebolaget Lm Ericsson (Publ) Apparatuses and methods for estimating power using data signals
WO2015182299A1 (ja) * 2014-05-29 2015-12-03 ソニー株式会社 装置及び方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020136193A1 (en) * 2001-01-13 2002-09-26 Samsung Electronics Co., Ltd. Power control apparatus and method for a W-CDMA communication system employing a high-speed downlink packet access scheme
US20030171118A1 (en) * 2001-06-06 2003-09-11 Kazuyuki Miya Cellular radio transmission apparatus and cellular radio transmission method
US6701150B1 (en) * 2000-10-13 2004-03-02 Nortel Networks Limited Network driven cell switching and handoff with load balancing for wireless systems
US20060013185A1 (en) * 2004-01-07 2006-01-19 Samsung Electronics Co., Ltd. System and method for trasmitting uplink control information in an OFDMA communication system
US20070049324A1 (en) * 2005-08-26 2007-03-01 Qualcomm Incorporated Fast cell selection in TD-CDMA (UMTS TDD)
US20080014943A1 (en) * 2006-07-13 2008-01-17 Samsung Electronics Co., Ltd. Method and apparatus for handoff decision in mobile communication system
US20080268844A1 (en) * 2004-06-07 2008-10-30 Nortel Networks Limited Handoffs and Handoff Selection in a Wireless Access Network
US20100105377A1 (en) * 2007-01-09 2010-04-29 Ntt Docomo, Inc. Base station apparatus, user equipment, and method used in mobile communication system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3406980B2 (ja) * 1994-01-21 2003-05-19 日本電信電話株式会社 ダイバーシチ通信装置
GB0120033D0 (en) 2001-08-16 2001-10-10 Fujitsu Ltd Cell selection
KR100459573B1 (ko) * 2001-08-25 2004-12-03 삼성전자주식회사 고속 순방향 패킷 접속 방식을 사용하는 통신 시스템에서역방향 전송 전력 오프셋과 고속 순방향 공통 채널 전력레벨을 송수신하는 장치 및 방법
US8326257B2 (en) * 2002-10-28 2012-12-04 Qualcomm Incorporated Utilizing speed and position information to select an operational mode in a wireless communication system
US20070047512A1 (en) * 2005-08-26 2007-03-01 Interdigital Technology Corporation Wireless communication method and apparatus for selecting a serving cell and node-b in an sc-fdma system
KR100866225B1 (ko) * 2005-10-05 2008-10-30 삼성전자주식회사 고속 순방향 패킷 접속 시스템을 위한 셀 선택 방법 및 장치
CN100499861C (zh) * 2005-10-27 2009-06-10 中兴通讯股份有限公司 一种移动通信系统的下行切换方法
US8175021B2 (en) * 2005-11-04 2012-05-08 Texas Instruments Incorporated Method for transmission of unicast control in broadcast/multicast transmission time intervals
CN101047970A (zh) * 2006-03-29 2007-10-03 北京三星通信技术研究有限公司 用于快速小区选择的信道质量汇报方法及设备
KR100959336B1 (ko) * 2006-06-23 2010-05-20 삼성전자주식회사 광대역 무선 통신시스템에서 인접 셀 간섭을 줄이기 위한장치 및 방법
JP4797862B2 (ja) * 2006-07-26 2011-10-19 日本電気株式会社 移動体通信システム、ノード装置、移動局及びそれらに用いる測定報告抑制方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6701150B1 (en) * 2000-10-13 2004-03-02 Nortel Networks Limited Network driven cell switching and handoff with load balancing for wireless systems
US20020136193A1 (en) * 2001-01-13 2002-09-26 Samsung Electronics Co., Ltd. Power control apparatus and method for a W-CDMA communication system employing a high-speed downlink packet access scheme
US20030171118A1 (en) * 2001-06-06 2003-09-11 Kazuyuki Miya Cellular radio transmission apparatus and cellular radio transmission method
US20060013185A1 (en) * 2004-01-07 2006-01-19 Samsung Electronics Co., Ltd. System and method for trasmitting uplink control information in an OFDMA communication system
US20080268844A1 (en) * 2004-06-07 2008-10-30 Nortel Networks Limited Handoffs and Handoff Selection in a Wireless Access Network
US20070049324A1 (en) * 2005-08-26 2007-03-01 Qualcomm Incorporated Fast cell selection in TD-CDMA (UMTS TDD)
US20080014943A1 (en) * 2006-07-13 2008-01-17 Samsung Electronics Co., Ltd. Method and apparatus for handoff decision in mobile communication system
US20100105377A1 (en) * 2007-01-09 2010-04-29 Ntt Docomo, Inc. Base station apparatus, user equipment, and method used in mobile communication system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130165169A1 (en) * 2011-12-26 2013-06-27 Kt Corporation Controlling radio units to transmitting signal with different transmission power
US9357505B2 (en) 2011-12-26 2016-05-31 Kt Corporation Processing digital signal
US9485737B2 (en) * 2011-12-26 2016-11-01 Kt Corporation Controlling radio units to transmitting signal with different transmission power
US20180035386A1 (en) * 2015-02-13 2018-02-01 Sharp Kabushiki Kaisha Base station apparatus, terminal apparatus, and communication method
US10219226B2 (en) * 2015-02-13 2019-02-26 Sharp Kabushiki Kaisha Base station apparatus, terminal apparatus, and communication method
US10278168B2 (en) * 2017-05-04 2019-04-30 At&T Intellectual Property I, L.P. Multi-stage segmented downlink control information with reduced overhead
US20190215705A1 (en) * 2017-05-04 2019-07-11 At&T Intellectual Property I, L.P. Multi-stage segmented downlink control information with reduced overhead
US10638337B2 (en) * 2017-05-04 2020-04-28 At&T Intellectual Property I, L.P. Multi-stage segmented downlink control information with reduced overhead
US10972922B2 (en) * 2017-05-04 2021-04-06 At&T Intellectual Property I, L.P. Multi-stage segmented downlink control information with reduced overhead

Also Published As

Publication number Publication date
EP2315476B1 (en) 2018-07-04
CN102119557A (zh) 2011-07-06
US9232447B2 (en) 2016-01-05
CN102119557B (zh) 2013-11-27
CN103501522A (zh) 2014-01-08
US20140378139A1 (en) 2014-12-25
JP5103323B2 (ja) 2012-12-19
EP2315476A4 (en) 2016-05-25
EP2315476A1 (en) 2011-04-27
WO2010018742A1 (ja) 2010-02-18
JP2010045550A (ja) 2010-02-25
KR101597667B1 (ko) 2016-02-25
CN103501522B (zh) 2017-01-04
KR20110039469A (ko) 2011-04-18

Similar Documents

Publication Publication Date Title
US9232447B2 (en) Radio base station apparatus and mobile terminal
US11374693B2 (en) Terminal and radio communication method for transmitting and receiving uplink control information (UCI)
EP2916585B1 (en) Transmission and reception of reference signals in a wireless communication system comprising a plurality of base stations
US9369890B2 (en) Radio communication system, base station apparatus, mobile terminal apparatus and interference measurement method
EP3358768A1 (en) Wireless base station, user terminal and wireless communication method
EP2448160A1 (en) Base station device and method of feeding-back information
JP6096119B2 (ja) 無線通信システム、無線基地局装置、ユーザ端末及び無線通信方法
WO2013168561A1 (ja) 無線通信システム、無線基地局装置、ユーザ端末および通信制御方法
EP2608615A1 (en) Signaling method, base station, mobile terminal, and wireless communication system
KR20100051065A (ko) 기지국장치
JP2017135712A (ja) 無線通信システム、フィードバック方法、ユーザ端末、及び無線基地局装置
JP7096156B2 (ja) 端末、無線通信方法及びシステム
EP3282609A1 (en) Radio base station, user terminal, radio communication system and radio communication method
US20170366319A1 (en) Communication control method, radio communication system, radio base station and user terminal
CN110832921B (zh) 一种被用于无线通信的用户、基站中的方法和装置
US20130034068A1 (en) Information transmission method, base station apparatus and mobile station apparatus
CN111213323B (zh) 一种被用于无线通信的用户设备、基站中的方法和装置
KR20120102845A (ko) 무선통신 시스템에서 제어 정보 송수신 방법 및 장치
JPWO2009016687A1 (ja) 移動無線通信システムにおけるパイロット配置方法及びこれを適用する送受信装置
WO2014021009A1 (ja) 無線通信システム、無線基地局装置及び再送制御方法
JP5482844B2 (ja) 移動無線通信システムにおけるパイロット配置方法及びこれを適用する送受信装置
JPWO2016190215A1 (ja) ユーザ端末、無線基地局及び無線通信方法
JP2015195630A (ja) ユーザ端末、無線基地局装置、無線通信システムおよび通信制御方法
JP5056893B2 (ja) 移動無線通信システムにおけるパイロット配置方法及びこれを適用する送受信装置

Legal Events

Date Code Title Description
AS Assignment

Owner name: NTT DOCOMO, INC., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KISHIYAMA, YOSHIHISA;TANNO, MOTOHIRO;SAWAHASHI, MAMORU;REEL/FRAME:026137/0527

Effective date: 20110221

STCB Information on status: application discontinuation

Free format text: EXPRESSLY ABANDONED -- DURING EXAMINATION