WO1992006543A1 - Communication transfer in a radiotelephone system - Google Patents

Communication transfer in a radiotelephone system Download PDF

Info

Publication number
WO1992006543A1
WO1992006543A1 PCT/US1991/005796 US9105796W WO9206543A1 WO 1992006543 A1 WO1992006543 A1 WO 1992006543A1 US 9105796 W US9105796 W US 9105796W WO 9206543 A1 WO9206543 A1 WO 9206543A1
Authority
WO
WIPO (PCT)
Prior art keywords
site
quality value
signal quality
source base
base
Prior art date
Application number
PCT/US1991/005796
Other languages
English (en)
French (fr)
Inventor
A. Felix Kenneth
P. Werronen Alton
B. Hart Thomas
A. Hardman Scott
G. Husebosch Thomas
Original Assignee
Motorola, 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
Priority claimed from US07/612,292 external-priority patent/US5203010A/en
Application filed by Motorola, Inc. filed Critical Motorola, Inc.
Publication of WO1992006543A1 publication Critical patent/WO1992006543A1/en

Links

Classifications

    • 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
    • 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
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • 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
PCT/US1991/005796 1990-09-27 1991-08-16 Communication transfer in a radiotelephone system WO1992006543A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US58877190A 1990-09-27 1990-09-27
US612,292 1990-11-13
US07/612,292 US5203010A (en) 1990-11-13 1990-11-13 Radio telephone system incorporating multiple time periods for communication transfer
US588,771 1996-01-19

Publications (1)

Publication Number Publication Date
WO1992006543A1 true WO1992006543A1 (en) 1992-04-16

Family

ID=27080366

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1991/005796 WO1992006543A1 (en) 1990-09-27 1991-08-16 Communication transfer in a radiotelephone system

Country Status (5)

Country Link
JP (1) JP2652465B2 (ja)
KR (1) KR0138970B1 (ja)
CA (1) CA2089365C (ja)
MX (1) MX173850B (ja)
WO (1) WO1992006543A1 (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0593298A2 (en) * 1992-10-16 1994-04-20 Nortel Networks Corporation Low-power wireless system for telephone services
EP0635990A2 (en) * 1993-07-22 1995-01-25 Nortel Networks Corporation Handover method in a cellular mobile communication system
WO1995031880A1 (en) * 1994-05-16 1995-11-23 Telefonaktiebolaget Lm Ericsson A method and system for confirming the identity of a target cell for handoff
EP0720402A3 (en) * 1994-12-28 1997-05-14 Nippon Telegraph & Telephone Method for the automatic formation of peripheral information zones
WO1997026770A2 (en) * 1996-01-16 1997-07-24 Telefonaktiebolaget Lm Ericsson (Publ) System and method for adaptive measurement collection and handoff queuing in a radio telecommunications network
GB2321164A (en) * 1996-12-19 1998-07-15 Samsung Electronics Co Ltd Hand-off method in mobile radio communication system
CN1049783C (zh) * 1992-11-27 2000-02-23 莫托罗拉有限公司 用于大范围双向通信系统的移动通信装置和方法
US6356739B1 (en) 1998-06-22 2002-03-12 Nokia Mobile Phones Limited Measurement method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328698A (en) * 1963-06-28 1967-06-27 Itt Selector for choosing the strongest signal including means for inhibiting all signals below a selected level
US4222115A (en) * 1978-03-13 1980-09-09 Purdue Research Foundation Spread spectrum apparatus for cellular mobile communication systems
US4696027A (en) * 1986-08-01 1987-09-22 Motorola, Inc. Handoff apparatus and method with interference reduction for a radio system
US4718081A (en) * 1986-11-13 1988-01-05 General Electric Company Method and apparatus for reducing handoff errors in a cellular radio telephone communications system
US4794635A (en) * 1986-11-28 1988-12-27 Motorola, Inc. Two-way radio communication system with max-minimum call assignment method
US5065449A (en) * 1987-08-03 1991-11-12 Orion Industries Booster diversity receiving system usable with cellular booster

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130138A (ja) * 1984-07-20 1986-02-12 Nippon Telegr & Teleph Corp <Ntt> 移動無線チヤネル切替方法
JPS6292528A (ja) * 1985-10-17 1987-04-28 Nippon Telegr & Teleph Corp <Ntt> 無線ゾ−ン移行検出方式
JP2636236B2 (ja) * 1987-03-31 1997-07-30 三菱電機株式会社 通話中チヤンネル切替方式
JPS6457837A (en) * 1987-08-28 1989-03-06 Toshiba Corp Radio channel switching system
JPH01205636A (ja) * 1988-02-12 1989-08-18 Nec Corp 自動車電話基地局

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328698A (en) * 1963-06-28 1967-06-27 Itt Selector for choosing the strongest signal including means for inhibiting all signals below a selected level
US4222115A (en) * 1978-03-13 1980-09-09 Purdue Research Foundation Spread spectrum apparatus for cellular mobile communication systems
US4696027A (en) * 1986-08-01 1987-09-22 Motorola, Inc. Handoff apparatus and method with interference reduction for a radio system
US4718081A (en) * 1986-11-13 1988-01-05 General Electric Company Method and apparatus for reducing handoff errors in a cellular radio telephone communications system
US4794635A (en) * 1986-11-28 1988-12-27 Motorola, Inc. Two-way radio communication system with max-minimum call assignment method
US5065449A (en) * 1987-08-03 1991-11-12 Orion Industries Booster diversity receiving system usable with cellular booster

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0593298A3 (en) * 1992-10-16 1994-09-21 Northern Telecom Ltd Low-power wireless system for telephone services
EP0641136A2 (en) * 1992-10-16 1995-03-01 Nortel Networks Corporation Low-power wireless system for telephone services
EP0641136A3 (en) * 1992-10-16 1995-06-14 Northern Telecom Ltd Low power wireless system for telephone services.
EP0593298A2 (en) * 1992-10-16 1994-04-20 Nortel Networks Corporation Low-power wireless system for telephone services
CN1049783C (zh) * 1992-11-27 2000-02-23 莫托罗拉有限公司 用于大范围双向通信系统的移动通信装置和方法
EP0635990A2 (en) * 1993-07-22 1995-01-25 Nortel Networks Corporation Handover method in a cellular mobile communication system
EP0635990A3 (en) * 1993-07-22 1995-05-24 Northern Telecom Ltd Method of call transfer in a cellular mobile communication system.
WO1995031880A1 (en) * 1994-05-16 1995-11-23 Telefonaktiebolaget Lm Ericsson A method and system for confirming the identity of a target cell for handoff
US5542097A (en) * 1994-05-16 1996-07-30 Telefonaktiebolaget Lm Ericsson Method and system for confirming the identity of a target cell for handoff
CN1070682C (zh) * 1994-05-16 2001-09-05 艾利森电话股份有限公司 用于确认过区切换的目标网孔的标识的方法和系统
EP0720402A3 (en) * 1994-12-28 1997-05-14 Nippon Telegraph & Telephone Method for the automatic formation of peripheral information zones
US5732327A (en) * 1994-12-28 1998-03-24 Ntt Mobile Communications Network Inc. Method for automatic creation of peripheral zone information
WO1997026770A3 (en) * 1996-01-16 2001-05-25 Ericsson Telefon Ab L M System and method for adaptive measurement collection and handoff queuing in a radio telecommunications network
WO1997026770A2 (en) * 1996-01-16 1997-07-24 Telefonaktiebolaget Lm Ericsson (Publ) System and method for adaptive measurement collection and handoff queuing in a radio telecommunications network
EP1437911A2 (en) * 1996-01-16 2004-07-14 Telefonaktiebolaget LM Ericsson (publ) System and method for adaptive measurement collection and handoff queuing in a radio telecommunications network
EP1437911A3 (en) * 1996-01-16 2004-08-25 Telefonaktiebolaget LM Ericsson (publ) System and method for adaptive measurement collection and handoff queuing in a radio telecommunications network
GB2321164A (en) * 1996-12-19 1998-07-15 Samsung Electronics Co Ltd Hand-off method in mobile radio communication system
GB2321164B (en) * 1996-12-19 1999-03-10 Samsung Electronics Co Ltd Hand-off method in mobile radio communication system
US6356739B1 (en) 1998-06-22 2002-03-12 Nokia Mobile Phones Limited Measurement method

Also Published As

Publication number Publication date
CA2089365A1 (en) 1992-03-28
JP2652465B2 (ja) 1997-09-10
MX9101264A (es) 1992-05-04
JPH06505133A (ja) 1994-06-09
KR0138970B1 (ko) 1998-07-01
MX173850B (es) 1994-04-06
CA2089365C (en) 1996-06-11

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