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DE69925952D1 - Sanfte Weiterreichung in einem Mobilfunkkommunikationssystem - Google Patents

Sanfte Weiterreichung in einem Mobilfunkkommunikationssystem

Info

Publication number
DE69925952D1
DE69925952D1 DE69925952T DE69925952T DE69925952D1 DE 69925952 D1 DE69925952 D1 DE 69925952D1 DE 69925952 T DE69925952 T DE 69925952T DE 69925952 T DE69925952 T DE 69925952T DE 69925952 D1 DE69925952 D1 DE 69925952D1
Authority
DE
Germany
Prior art keywords
communication system
mobile communication
handover
gentle
gentle handover
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 - Lifetime
Application number
DE69925952T
Other languages
English (en)
Other versions
DE69925952T2 (de
Inventor
Tomoya Yamaura
Kazuyuki Sakoda
Mitsuhiro Suzuki
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.)
Sony Corp
Original Assignee
Sony 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14713477&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69925952(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69925952D1 publication Critical patent/DE69925952D1/de
Publication of DE69925952T2 publication Critical patent/DE69925952T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • 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
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE1999625952 1998-04-27 1999-04-22 Sanfte Weiterreichung in einem Mobilfunkkommunikationssystem Expired - Lifetime DE69925952T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11750798 1998-04-27
JP11750798A JP3956479B2 (ja) 1998-04-27 1998-04-27 移動通信システム、移動局及び基地局

Publications (2)

Publication Number Publication Date
DE69925952D1 true DE69925952D1 (de) 2005-08-04
DE69925952T2 DE69925952T2 (de) 2006-05-11

Family

ID=14713477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999625952 Expired - Lifetime DE69925952T2 (de) 1998-04-27 1999-04-22 Sanfte Weiterreichung in einem Mobilfunkkommunikationssystem

Country Status (5)

Country Link
US (2) US6263205B1 (de)
EP (1) EP0954194B1 (de)
JP (1) JP3956479B2 (de)
KR (2) KR100600870B1 (de)
DE (1) DE69925952T2 (de)

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US6760587B2 (en) * 2001-02-23 2004-07-06 Qualcomm Incorporated Forward-link scheduling in a wireless communication system during soft and softer handoff
JP3551937B2 (ja) 2001-02-28 2004-08-11 日本電気株式会社 移動通信システムにおける通信制御方法及びそれに使用する基地局
AU2002255204A1 (en) * 2001-04-25 2002-12-23 Nokia Corporation Method and system for forward link cell switching
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JP3898018B2 (ja) * 2001-09-28 2007-03-28 株式会社エヌ・ティ・ティ・ドコモ 送信電力制御方法及び移動局
US20040248584A1 (en) * 2001-11-07 2004-12-09 Yoshifumi Morihiro Mobile body communication system, radio communication control apparatus mobile body communication apparatus, and mobile body communication method
JP4423836B2 (ja) * 2002-04-03 2010-03-03 日本電気株式会社 セルラシステム、通信制御方法及び移動局
ATE476847T1 (de) * 2002-06-05 2010-08-15 Nokia Corp Handover in einem kommunikationsnetz
US7835762B2 (en) * 2002-06-27 2010-11-16 Qualcomm Incorporated Adjusting transmit power in a wireless communication system
JP3574443B2 (ja) * 2002-08-20 2004-10-06 松下電器産業株式会社 通信端末装置、基地局装置、および送信電力制御方法
US7042857B2 (en) 2002-10-29 2006-05-09 Qualcom, Incorporated Uplink pilot and signaling transmission in wireless communication systems
KR100584431B1 (ko) * 2003-02-14 2006-05-26 삼성전자주식회사 부호 분할 다중 접속 통신 시스템에서 역방향 데이터재전송 시스템 및 방법
US7177297B2 (en) * 2003-05-12 2007-02-13 Qualcomm Incorporated Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
US8611283B2 (en) 2004-01-28 2013-12-17 Qualcomm Incorporated Method and apparatus of using a single channel to provide acknowledgement and assignment messages
US7583975B2 (en) * 2004-03-08 2009-09-01 Intel Corporation Adaptive transmit power control in wireless devices
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US8891349B2 (en) 2004-07-23 2014-11-18 Qualcomm Incorporated Method of optimizing portions of a frame
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GB2420939B (en) * 2004-12-06 2006-11-22 Motorola Inc Method, apparatus and base station for determining a radio link characteristic
US8831115B2 (en) 2004-12-22 2014-09-09 Qualcomm Incorporated MC-CDMA multiplexing in an orthogonal uplink
US7453849B2 (en) * 2004-12-22 2008-11-18 Qualcomm Incorporated Method of implicit deassignment of resources
CN101142832B (zh) * 2005-04-26 2012-02-29 三菱电机株式会社 无线基站和基站控制装置
KR100765892B1 (ko) * 2006-08-30 2007-10-10 주식회사 팬택 이동통신 시스템의 셀간 간섭을 제어하는 방법
US8699968B2 (en) * 2007-03-14 2014-04-15 Google Inc. Using multiple and a single feedback for UE uplink beamforming in soft handoff
US8000708B1 (en) * 2007-09-11 2011-08-16 Sprint Communications Company L.P. Seamless inter-network handoff
US20090170586A1 (en) * 2007-12-26 2009-07-02 Springtime Productions, Llc Springtime productions special charity fund raising process
JP5020209B2 (ja) * 2008-09-22 2012-09-05 株式会社エヌ・ティ・ティ・ドコモ 移動通信方法、移動通信システム及び無線基地局
GB0901588D0 (en) 2009-02-02 2009-03-11 Itis Holdings Plc Apparatus and methods for providing journey information
US8811200B2 (en) * 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
KR101310908B1 (ko) * 2009-12-15 2013-10-14 한국전자통신연구원 멀티캐스트 신호 복조 장치 및 그 방법
EP2676494B1 (de) 2011-02-14 2019-12-18 Qualcomm Incorporated Uplink-interferenzsteuerung zwischen zellen
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JP6105715B2 (ja) * 2012-04-06 2017-03-29 アップル インコーポレイテッド ロケーションベースのパラメータ制御のための方法及び装置
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Also Published As

Publication number Publication date
USRE44322E1 (en) 2013-06-25
JP3956479B2 (ja) 2007-08-08
US6263205B1 (en) 2001-07-17
EP0954194A3 (de) 2000-06-07
EP0954194B1 (de) 2005-06-29
KR19990083359A (ko) 1999-11-25
JPH11313356A (ja) 1999-11-09
DE69925952T2 (de) 2006-05-11
KR100600870B1 (ko) 2006-07-14
EP0954194A2 (de) 1999-11-03
KR100600864B1 (ko) 2006-07-18
KR20060038437A (ko) 2006-05-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition