CA2288713A1 - Subscriber handoff between multiple access communications system - Google Patents

Subscriber handoff between multiple access communications system Download PDF

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Publication number
CA2288713A1
CA2288713A1 CA002288713A CA2288713A CA2288713A1 CA 2288713 A1 CA2288713 A1 CA 2288713A1 CA 002288713 A CA002288713 A CA 002288713A CA 2288713 A CA2288713 A CA 2288713A CA 2288713 A1 CA2288713 A1 CA 2288713A1
Authority
CA
Canada
Prior art keywords
multiple access
communications system
access communications
subscriber
signal characteristic
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.)
Granted
Application number
CA002288713A
Other languages
French (fr)
Other versions
CA2288713C (en
Inventor
Jason Haines Losh
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.)
Google Technology Holdings LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2288713A1 publication Critical patent/CA2288713A1/en
Application granted granted Critical
Publication of CA2288713C publication Critical patent/CA2288713C/en
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
    • H04W36/24—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
    • 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
    • H04W36/14—Reselecting a network or an air interface

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

In a method in a cellular telecommunications system for performing a subscriber (28) handoff (216) from a first multiple access communications system to a second multiple access communications system, a subscriber unit in communication with said first multiple access communications system measures (206) a signal characteristic of a signal from the second multiple access communications system to produce a signal characteristic value. In response to the signal characteristic value, the subscriber unit is configured to communicate with the second multiple access communications system. Thereafter a subscriber handoff (216) is performed from the first multiple access communications system to the second multiple access communications system. The signal characteristic value may be signal strength. The signal characteristic may be measured with the receiver (92) for the first multiple access communications system.
CA002288713A 1997-05-05 1998-03-13 Subscriber handoff between multiple access communications system Expired - Lifetime CA2288713C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US84187997A 1997-05-05 1997-05-05
US08/841,879 1997-05-05
PCT/US1998/005047 WO1998050909A1 (en) 1997-05-05 1998-03-13 Subscriber handoff between multiple access communications system

Publications (2)

Publication Number Publication Date
CA2288713A1 true CA2288713A1 (en) 1998-11-12
CA2288713C CA2288713C (en) 2004-08-10

Family

ID=25285928

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002288713A Expired - Lifetime CA2288713C (en) 1997-05-05 1998-03-13 Subscriber handoff between multiple access communications system

Country Status (13)

Country Link
JP (1) JP3930055B2 (en)
KR (1) KR100343090B1 (en)
CN (1) CN1129342C (en)
BR (1) BR9808711B1 (en)
CA (1) CA2288713C (en)
DE (1) DE19819423B4 (en)
FI (1) FI117420B (en)
FR (1) FR2763195B1 (en)
GB (1) GB2339999B (en)
IL (1) IL132358A0 (en)
SE (1) SE517614C2 (en)
TW (1) TW392397B (en)
WO (1) WO1998050909A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2962411B2 (en) * 1998-01-30 1999-10-12 日本電気株式会社 Mobile phone
US6591100B1 (en) * 1998-11-19 2003-07-08 Ericsson Inc. Cellular communication device with scanning receiver and continuous mobile communication system employing same
EP1024676A1 (en) * 1999-01-31 2000-08-02 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Communication system, methods of managing a communication system and mobile user equipment
FI112583B (en) * 1999-05-26 2003-12-15 Nokia Corp A method for implementing handover measurements between cellular radio systems and a terminal
EP1081979A1 (en) * 1999-08-31 2001-03-07 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Subscriber station, network control means and method for carrying out inter-frequency measurements in a mobile communication system
US6768908B1 (en) 2000-04-07 2004-07-27 Motorola, Inc. Method and apparatus for soft handoff communications in a communication system operating according to IS-95B and IS-95C standards
JP4477884B2 (en) * 2004-01-14 2010-06-09 パナソニック株式会社 Network control device, communication terminal, communication connection method, connection registration method to network
KR20050076886A (en) * 2004-01-26 2005-07-29 삼성전자주식회사 A method and apparatus of common channel beacon for inter-fa hard handover in w-cdma network
DE102004024390B4 (en) * 2004-05-17 2006-03-16 Siemens Ag Method of handover
GB2420047B (en) * 2004-08-02 2007-09-19 Nec Technologies Mobile radio communications device and method of transferring between networks therefor
US8670415B2 (en) 2005-08-05 2014-03-11 Samsung Electronics Co., Ltd. Apparatus and method for performing handoff in a communication system
EP1841142A1 (en) * 2006-03-27 2007-10-03 Matsushita Electric Industries Co., Ltd. Sleep-state and service initiation for mobile terminal
JP5989798B2 (en) * 2011-12-08 2016-09-07 インターデイジタル パテント ホールディングス インコーポレイテッド Method and apparatus for millimeter wave communication system
US9883451B2 (en) 2015-05-14 2018-01-30 Qualcomm Incorporated Detection techniques for high gain mobile devices

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101501A (en) * 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5216744A (en) * 1991-03-21 1993-06-01 Dictaphone Corporation Time scale modification of speech signals
US5353374A (en) * 1992-10-19 1994-10-04 Loral Aerospace Corporation Low bit rate voice transmission for use in a noisy environment
GB2282730B (en) * 1993-10-08 1998-01-28 Nokia Telecommunications Oy Dual mode subscriber terminal and a handover procedure of the dual mode subscriber terminal in a mobile telecommunication network
US5619503A (en) * 1994-01-11 1997-04-08 Ericsson Inc. Cellular/satellite communications system with improved frequency re-use
US5697055A (en) * 1994-10-16 1997-12-09 Qualcomm Incorporated Method and apparatus for handoff between different cellular communications systems
US5594718A (en) * 1995-03-30 1997-01-14 Qualcomm Incorporated Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative access communication system
US5754542A (en) * 1995-07-31 1998-05-19 Qualcomm Incorporated Method and apparatus for system determination in a multi-mode subscriber station
US6026301A (en) * 1996-12-17 2000-02-15 Northern Telecom Limited Method for hard handoff in a CDMA cellular environment
FI107008B (en) * 1997-04-22 2001-05-15 Nokia Networks Oy Multimode terminal network connection in a mobile communication system

Also Published As

Publication number Publication date
GB2339999A (en) 2000-02-09
TW392397B (en) 2000-06-01
JP2001524289A (en) 2001-11-27
CN1255225A (en) 2000-05-31
CN1129342C (en) 2003-11-26
WO1998050909A1 (en) 1998-11-12
FR2763195A1 (en) 1998-11-13
BR9808711A (en) 2000-07-11
BR9808711B1 (en) 2011-05-31
IL132358A0 (en) 2001-03-19
FI19992388A (en) 1999-11-04
FI117420B (en) 2006-09-29
GB2339999B (en) 2002-02-13
SE9904021L (en) 1999-12-28
KR20010012229A (en) 2001-02-15
SE9904021D0 (en) 1999-11-05
DE19819423B4 (en) 2007-03-22
GB9925859D0 (en) 1999-12-29
SE517614C2 (en) 2002-06-25
FR2763195B1 (en) 2003-09-26
JP3930055B2 (en) 2007-06-13
DE19819423A1 (en) 1998-11-12
CA2288713C (en) 2004-08-10
KR100343090B1 (en) 2002-07-05

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20180313

MKEX Expiry

Effective date: 20180313