USRE40824E1 - Mobile station handoff between different CDMA frequencies - Google Patents
Mobile station handoff between different CDMA frequencies Download PDFInfo
- Publication number
- USRE40824E1 USRE40824E1 US10/957,522 US95752204A USRE40824E US RE40824 E1 USRE40824 E1 US RE40824E1 US 95752204 A US95752204 A US 95752204A US RE40824 E USRE40824 E US RE40824E
- Authority
- US
- United States
- Prior art keywords
- transmission
- base station
- mobile station
- transmission frame
- frames
- 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
Links
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- 238000005259 measurement Methods 0.000 claims abstract description 54
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/12—Reselecting a serving backbone network switching or routing node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/957,522 USRE40824E1 (en) | 1997-08-21 | 2004-10-01 | Mobile station handoff between different CDMA frequencies |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/915,998 US6078570A (en) | 1997-08-21 | 1997-08-21 | Mobile assisted hard hand-off for a code division multiple access (CDMA) system |
US09/464,033 US6459689B1 (en) | 1997-08-21 | 1999-12-15 | Mobile station handoff between different CDMA frequencies |
US10/957,522 USRE40824E1 (en) | 1997-08-21 | 2004-10-01 | Mobile station handoff between different CDMA frequencies |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/464,033 Reissue US6459689B1 (en) | 1997-08-21 | 1999-12-15 | Mobile station handoff between different CDMA frequencies |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE40824E1 true USRE40824E1 (en) | 2009-07-07 |
Family
ID=25436545
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/915,998 Expired - Lifetime US6078570A (en) | 1997-08-21 | 1997-08-21 | Mobile assisted hard hand-off for a code division multiple access (CDMA) system |
US09/464,033 Ceased US6459689B1 (en) | 1997-08-21 | 1999-12-15 | Mobile station handoff between different CDMA frequencies |
US10/957,522 Expired - Lifetime USRE40824E1 (en) | 1997-08-21 | 2004-10-01 | Mobile station handoff between different CDMA frequencies |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/915,998 Expired - Lifetime US6078570A (en) | 1997-08-21 | 1997-08-21 | Mobile assisted hard hand-off for a code division multiple access (CDMA) system |
US09/464,033 Ceased US6459689B1 (en) | 1997-08-21 | 1999-12-15 | Mobile station handoff between different CDMA frequencies |
Country Status (3)
Country | Link |
---|---|
US (3) | US6078570A (en) |
KR (1) | KR19990023609A (en) |
BR (1) | BR9803172A (en) |
Families Citing this family (68)
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US6301242B1 (en) * | 1998-07-24 | 2001-10-09 | Xircom Wireless, Inc. | Communication system with fast control traffic |
EP1320276B1 (en) * | 1996-12-27 | 2004-11-10 | NTT DoCoMo, Inc. | Call admission control method and mobile station device for cdma mobile communication system. |
US6078570A (en) * | 1997-08-21 | 2000-06-20 | Nokia Mobile Phones Limited | Mobile assisted hard hand-off for a code division multiple access (CDMA) system |
US6665281B1 (en) | 1997-11-06 | 2003-12-16 | Lg Information & Communications, Ltd. | Method and system for providing inter-frequency handoff in a telephone system |
KR100252932B1 (en) * | 1997-11-06 | 2000-04-15 | 서평원 | Method and System for Providing a Inter-frequency Handoff in a CDMA Cellular Telephone System |
US6198929B1 (en) * | 1997-12-08 | 2001-03-06 | Qualcomm Inc. | System and method for mobile switching center initiated service negotiation |
KR100304924B1 (en) * | 1997-12-30 | 2001-11-22 | 서평원 | Inter-frequency handoff control method in cdma cellular system |
US6603751B1 (en) * | 1998-02-13 | 2003-08-05 | Qualcomm Incorporated | Method and system for performing a handoff in a wireless communication system, such as a hard handoff |
US6252861B1 (en) * | 1998-03-26 | 2001-06-26 | Lucent Technologies, Inc. | Methods and apparatus for interfrequency handoff in a wireless communication system |
WO1999059268A1 (en) * | 1998-05-13 | 1999-11-18 | Ntt Mobile Communications Network Inc. | Communication method and communication device |
GB2337414A (en) * | 1998-05-14 | 1999-11-17 | Fujitsu Ltd | Soft handoff in cellular communications networks |
US6862449B1 (en) * | 1998-05-14 | 2005-03-01 | Fujitsu Limited | Reducing interference in cellular mobile communications networks |
US20030194033A1 (en) | 1998-05-21 | 2003-10-16 | Tiedemann Edward G. | Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system |
KR100326183B1 (en) * | 1998-06-13 | 2002-06-29 | 윤종용 | Power Compensation Apparatus and Method for Perforated Frame in Code Division Multiple Access Communication System |
KR20000014139A (en) * | 1998-08-14 | 2000-03-06 | 서평원 | Mobile station statistical data collection and initialize control method in mobile communication system of code division multi-access method |
JP3479935B2 (en) * | 1998-08-19 | 2003-12-15 | 富士通株式会社 | Handover method in CDMA mobile communication, CDMA mobile communication system, base station and mobile station thereof |
US6188900B1 (en) * | 1998-08-31 | 2001-02-13 | Texas Instruments Incorporated | Mobile device assisted handoff system for code division multiple access and wideband code division multiple access networks |
KR100291478B1 (en) * | 1998-09-08 | 2001-06-01 | 윤종용 | Method and system for idle handoff in cellular system |
US6591100B1 (en) * | 1998-11-19 | 2003-07-08 | Ericsson Inc. | Cellular communication device with scanning receiver and continuous mobile communication system employing same |
JP3320667B2 (en) * | 1998-12-21 | 2002-09-03 | 株式会社東芝 | Spread spectrum wireless communication equipment |
US6587446B2 (en) | 1999-02-11 | 2003-07-01 | Qualcomm Incorporated | Handoff in a wireless communication system |
JP2000354267A (en) * | 1999-04-07 | 2000-12-19 | Toshiba Corp | Mobile communication terminal provided with handover request function, handover controller, handover control method and storage medium storing handover control method |
US6845238B1 (en) * | 1999-09-15 | 2005-01-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Inter-frequency measurement and handover for wireless communications |
GB2354671B (en) * | 1999-09-24 | 2003-10-01 | Nokia Mobile Phones Ltd | Inter-frequency measurement |
US6600917B1 (en) | 1999-10-04 | 2003-07-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Telecommunications network broadcasting of service capabilities |
US20030095513A1 (en) * | 1999-12-15 | 2003-05-22 | Nortel Networks Corporation | Traffic management system and method for multi-carrier CDMA wireless networks |
GB0000528D0 (en) * | 2000-01-11 | 2000-03-01 | Nokia Networks Oy | Location of a station in a telecommunications system |
US6728225B1 (en) | 2000-02-10 | 2004-04-27 | Interdigital Technology Corporation | Asymmetrical forward/reverse transmission bandwidth |
US7130285B2 (en) * | 2000-04-12 | 2006-10-31 | Samsung Electronics Co., Ltd. | Method for providing concurrent service handoff in a mobile communication system |
US6745360B1 (en) * | 2000-04-13 | 2004-06-01 | Microsoft Corporation | Method and system for controlling the rate of acknowledgment of communication packets |
US6748215B1 (en) * | 2000-09-29 | 2004-06-08 | Qualcomm, Incorporated | Method and apparatus for performing a candidate frequency search in a wireless communication system |
US6690936B1 (en) * | 2000-10-31 | 2004-02-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Air-interface efficiency in wireless communication systems |
KR100383619B1 (en) * | 2001-02-03 | 2003-05-14 | 삼성전자주식회사 | Method for performing hard handoff in cellular mobile telecommunication system |
US7181218B2 (en) * | 2001-04-10 | 2007-02-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Commanding handover between differing radio access technologies |
JP4041662B2 (en) * | 2001-06-22 | 2008-01-30 | 株式会社エヌ・ティ・ティ・ドコモ | Wireless communication system, wireless communication method, wireless relay device, and wireless terminal |
US7339977B2 (en) * | 2001-06-27 | 2008-03-04 | Nokia Corporation | Signal strength assisted searcher and acquisition |
US7580390B2 (en) * | 2001-11-26 | 2009-08-25 | Qualcomm Incorporated | Reducing handover frequency error |
US20040047312A1 (en) * | 2002-04-29 | 2004-03-11 | Peter Muszynski | Method and apparatus for UL interference avoidance by DL measurements and IFHO |
US7853260B2 (en) * | 2002-04-29 | 2010-12-14 | Nokia Corporation | Method and apparatus for cell identification for uplink interference avoidance using inter-frequency measurements |
US7408900B2 (en) * | 2002-06-28 | 2008-08-05 | Interdigital Technology Corporation | Method and system for automated determination of inter-system border thresholds |
US20040029545A1 (en) * | 2002-08-09 | 2004-02-12 | Anderson Jon J. | Method and system for leaving a communication channel in a wireless communications system |
KR100665425B1 (en) * | 2003-03-08 | 2007-01-04 | 삼성전자주식회사 | System and method for performing handover operation in a mobile communication system |
KR100689566B1 (en) * | 2003-03-08 | 2007-03-02 | 삼성전자주식회사 | System and method for handoff using initial ranging in broadband wireless access communication system |
US7292550B2 (en) * | 2003-03-27 | 2007-11-06 | Kyocera Wireless Corp. | System and method for minimizing voice packet loss during a wireless communications device candidate frequency search (CFS) |
DE60304078T2 (en) * | 2003-05-12 | 2006-08-17 | Matsushita Electric Industrial Co., Ltd., Kadoma | Method and device for performing inter-frequency measurements |
US7542769B1 (en) * | 2003-06-30 | 2009-06-02 | Nortel Networks Limited | Dynamic control of eighth-rate gating of the reverse link fundamental channel in a wireless communication system |
US7212821B2 (en) | 2003-12-05 | 2007-05-01 | Qualcomm Incorporated | Methods and apparatus for performing handoffs in a multi-carrier wireless communications system |
US7047009B2 (en) * | 2003-12-05 | 2006-05-16 | Flarion Technologies, Inc. | Base station based methods and apparatus for supporting break before make handoffs in a multi-carrier system |
US20070053336A1 (en) * | 2004-03-11 | 2007-03-08 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for performing inter-frequency measurements |
US8855638B2 (en) * | 2004-06-08 | 2014-10-07 | Lg Electronics | Method for transitioning communications of a mobile subscriber station from a serving base station to a target base station |
KR101100157B1 (en) * | 2004-06-08 | 2011-12-28 | 엘지전자 주식회사 | A Method for Handover between Frequency Allocation in Broadband Wireless Access System |
US7693521B1 (en) * | 2004-08-04 | 2010-04-06 | Sprint Spectrum L.P. | Method and system for mobile station handoff |
JP4940548B2 (en) * | 2004-12-17 | 2012-05-30 | 富士通株式会社 | Mobile station |
US7302265B1 (en) | 2005-03-16 | 2007-11-27 | Sprint Spectrum L.P. | Method of selecting carrier frequency for call origination |
US8064398B2 (en) * | 2005-04-08 | 2011-11-22 | Qualcomm Incorporated | Seamless interfrequency handoff in a high data rate wireless system |
CN100421516C (en) * | 2005-06-24 | 2008-09-24 | 华为技术有限公司 | Measure time confirming method based on different-frequency measure and different-frequency measuring method |
FI20055516A0 (en) * | 2005-09-28 | 2005-09-28 | Nokia Corp | Data transmission in a communication system |
US8666445B2 (en) * | 2005-10-25 | 2014-03-04 | Kyocera Corporation | Apparatus, system, and method for transmission antenna switching in a portable communication device |
JP4771835B2 (en) * | 2006-03-06 | 2011-09-14 | 株式会社リコー | Toner and image forming method |
US20070230606A1 (en) * | 2006-03-31 | 2007-10-04 | Anders Mark A | Viterbi traceback |
US7545769B2 (en) * | 2006-06-02 | 2009-06-09 | Motorola, Inc. | Mobile handoff functionality using asynchronous channel in a communication system |
US8145778B2 (en) * | 2006-07-28 | 2012-03-27 | Cisco Technology, Inc. | Method and system for transitioning streamed digital video content between stream servers in a digital video network |
WO2008013026A1 (en) | 2006-07-28 | 2008-01-31 | Kyocera Corporation | Mobile terminal device and handoff method |
US20100029277A1 (en) * | 2006-10-03 | 2010-02-04 | Telefonaktiebolaget L M Ericsson (Publ) | Method and Arrangement in a Radio Access Network |
US8699450B2 (en) * | 2008-05-11 | 2014-04-15 | Qualcomm Incorporated | Systems and methods for multimode wireless communication handoff |
US9036599B2 (en) * | 2008-05-11 | 2015-05-19 | Qualcomm Incorporated | Systems and methods for multimode wireless communication handoff |
US8964692B2 (en) * | 2008-11-10 | 2015-02-24 | Qualcomm Incorporated | Spectrum sensing of bluetooth using a sequence of energy detection measurements |
WO2015135215A1 (en) * | 2014-03-14 | 2015-09-17 | 华为技术有限公司 | Switching method, terminal, base station and system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5649000A (en) * | 1994-11-16 | 1997-07-15 | Electronics & Telecommunications Research Institute | Method and system for providing a different frequency handoff in a CDMA cellular telephone system |
US5778316A (en) * | 1993-11-01 | 1998-07-07 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for selecting a control channel based on service availability |
US5848063A (en) * | 1996-05-23 | 1998-12-08 | Qualcomm Incorporated | Method and apparatus for hard handoff in a CDMA system |
US6078570A (en) * | 1997-08-21 | 2000-06-20 | Nokia Mobile Phones Limited | Mobile assisted hard hand-off for a code division multiple access (CDMA) system |
Family Cites Families (6)
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SE9200607D0 (en) * | 1992-02-28 | 1992-02-28 | Ericsson Telefon Ab L M | COMMUNICATION METHODS AND MEAN IN A TDMA CELLULAR MOBILE RADIO SYSTEM |
US5627879A (en) * | 1992-09-17 | 1997-05-06 | Adc Telecommunications, Inc. | Cellular communications system with centralized base stations and distributed antenna units |
US5440597A (en) * | 1993-11-23 | 1995-08-08 | Nokia Mobile Phones Ltd. | Double dwell maximum likelihood acquisition system with continuous decision making for CDMA and direct spread spectrum system |
US5566201A (en) * | 1994-09-27 | 1996-10-15 | Nokia Mobile Phones Ltd. | Digital AGC for a CDMA radiotelephone |
JP2605648B2 (en) * | 1994-12-22 | 1997-04-30 | 日本電気株式会社 | Despreading code phase detector for SS receiver |
US5903840A (en) * | 1996-01-16 | 1999-05-11 | Telefonaktiebolaget Im Ericsson (Publ) | System and method for adaptive measurement collection and handoff queuing in a radio telecommunications network |
-
1997
- 1997-08-21 US US08/915,998 patent/US6078570A/en not_active Expired - Lifetime
-
1998
- 1998-08-10 BR BR9803172-4A patent/BR9803172A/en not_active Application Discontinuation
- 1998-08-14 KR KR1019980033065A patent/KR19990023609A/en not_active Application Discontinuation
-
1999
- 1999-12-15 US US09/464,033 patent/US6459689B1/en not_active Ceased
-
2004
- 2004-10-01 US US10/957,522 patent/USRE40824E1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5778316A (en) * | 1993-11-01 | 1998-07-07 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for selecting a control channel based on service availability |
US5649000A (en) * | 1994-11-16 | 1997-07-15 | Electronics & Telecommunications Research Institute | Method and system for providing a different frequency handoff in a CDMA cellular telephone system |
US5848063A (en) * | 1996-05-23 | 1998-12-08 | Qualcomm Incorporated | Method and apparatus for hard handoff in a CDMA system |
US6078570A (en) * | 1997-08-21 | 2000-06-20 | Nokia Mobile Phones Limited | Mobile assisted hard hand-off for a code division multiple access (CDMA) system |
Also Published As
Publication number | Publication date |
---|---|
BR9803172A (en) | 1999-11-03 |
US6078570A (en) | 2000-06-20 |
US6459689B1 (en) | 2002-10-01 |
KR19990023609A (en) | 1999-03-25 |
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