EE9900173A - Mobiilseadme juhitav kanalivahetus raadiosidesüsteemides - Google Patents
Mobiilseadme juhitav kanalivahetus raadiosidesüsteemidesInfo
- Publication number
- EE9900173A EE9900173A EEP199900173A EE9900173A EE9900173A EE 9900173 A EE9900173 A EE 9900173A EE P199900173 A EEP199900173 A EE P199900173A EE 9900173 A EE9900173 A EE 9900173A EE 9900173 A EE9900173 A EE 9900173A
- Authority
- EE
- Estonia
- Prior art keywords
- mobile
- radio communication
- communication systems
- controlled handover
- handover
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/740,306 US6473602B1 (en) | 1996-10-28 | 1996-10-28 | Mobile assisted handoff in radiocommunication systems |
PCT/US1997/016926 WO1998019491A2 (en) | 1996-10-28 | 1997-09-29 | Mobile assisted handoff in radiocommunication systems |
Publications (1)
Publication Number | Publication Date |
---|---|
EE9900173A true EE9900173A (et) | 1999-12-15 |
Family
ID=24975941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EEP199900173A EE9900173A (et) | 1996-10-28 | 1997-09-29 | Mobiilseadme juhitav kanalivahetus raadiosidesüsteemides |
Country Status (11)
Country | Link |
---|---|
US (1) | US6473602B1 (xx) |
EP (1) | EP1010345B1 (xx) |
JP (1) | JP3957006B2 (xx) |
KR (1) | KR100503584B1 (xx) |
CN (1) | CN1122433C (xx) |
AU (1) | AU728459C (xx) |
BR (1) | BR9712579A (xx) |
DE (1) | DE69720292T2 (xx) |
EE (1) | EE9900173A (xx) |
HK (1) | HK1025457A1 (xx) |
WO (1) | WO1998019491A2 (xx) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US6553064B1 (en) * | 1998-05-07 | 2003-04-22 | Qualcomm Incorporated | Method and apparatus for performing mobile station assisted hard handoff using error correction codes |
US6591100B1 (en) * | 1998-11-19 | 2003-07-08 | Ericsson Inc. | Cellular communication device with scanning receiver and continuous mobile communication system employing same |
JP3383618B2 (ja) * | 1999-08-18 | 2003-03-04 | 松下電器産業株式会社 | 移動体通信端末装置及び受信強度検出方法 |
US6760342B1 (en) * | 2000-06-28 | 2004-07-06 | Northrop Grumman Corporation | Channelizer for a multi-carrier receiver |
US6898432B1 (en) * | 2000-11-21 | 2005-05-24 | Daimlerchrysler Research And Technology North America, Inc. | Route-based communication planning architecture and method for wireless communication |
US7729698B2 (en) * | 2001-09-27 | 2010-06-01 | Qualcomm Incorporated | Communication system receiver and method for concurrent receiving of multiple channels |
US6944144B2 (en) | 2003-02-28 | 2005-09-13 | Microsoft Corporation | Vertical roaming in wireless networks through improved quality of service measures |
US6982949B2 (en) * | 2003-02-28 | 2006-01-03 | Microsoft Corporation | Vertical roaming in wireless networks through improved wireless network cell boundary detection |
FR2858728B1 (fr) * | 2003-08-08 | 2005-10-14 | Wavecom | Procede de filtrage d'un signal de radiocommunication utile mettant en oeuvre une estimation numerique de puissance et dispositif de radiocommunication correspondant |
US20050070287A1 (en) * | 2003-09-26 | 2005-03-31 | Interdigital Technology Corporation | Method for soft/softer handover for wireless communication systems |
US7620029B2 (en) * | 2003-10-09 | 2009-11-17 | Qualcomm Incorporated | Parallel cell ID acquisition in frequency division multiple access systems |
US7321749B2 (en) * | 2003-10-09 | 2008-01-22 | Qualcomm Incorporated | Cell selection techniques for frequency division multiple access systems |
US20050201490A1 (en) * | 2004-02-20 | 2005-09-15 | Tobias Scholand | Zero-crossing detector for receivers |
JP4455354B2 (ja) * | 2005-01-26 | 2010-04-21 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システム |
KR100842500B1 (ko) | 2005-06-29 | 2008-07-01 | 삼성전자주식회사 | 주파수 오버레이 통신 시스템에서 신호 송수신 시스템 및방법 |
CN101119579B (zh) * | 2006-07-31 | 2010-09-22 | 华为技术有限公司 | 硬切换测量控制方法及系统 |
US8411638B2 (en) * | 2008-06-23 | 2013-04-02 | Qualcomm Incorporated | Methods and systems for background scanning in OFDMA mobile stations |
US8964692B2 (en) | 2008-11-10 | 2015-02-24 | Qualcomm Incorporated | Spectrum sensing of bluetooth using a sequence of energy detection measurements |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4608711A (en) | 1984-06-21 | 1986-08-26 | Itt Corporation | Cellular mobile radio hand-off utilizing voice channel |
DE3513361A1 (de) | 1985-04-15 | 1986-10-16 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und schaltungsanordnung zur qualitaetsmessung von funkuebertragungskanaelen eines funkuebertragungssystems |
FR2584884B1 (fr) | 1985-07-09 | 1987-10-09 | Trt Telecom Radio Electr | Procede et dispositif de recherche de canal libre pour un systeme de radio mobile |
US4736453A (en) | 1985-12-10 | 1988-04-05 | Schloemer Gerald R | Method and apparatus for making frequency channel assignment in a cellular or non-cellular radiotelephone communications system |
FR2594276B1 (fr) | 1986-02-11 | 1988-11-10 | Const Electro Et | Systeme de radiotelephonie a changement de relais en cours de communication |
DE3607687A1 (de) | 1986-03-08 | 1987-09-10 | Philips Patentverwaltung | Verfahren und schaltungsanordnung zum weiterschalten einer funkverbindung in eine andere funkzelle eines digitalen funkuebertragungssystems |
US4696027A (en) | 1986-08-01 | 1987-09-22 | Motorola, Inc. | Handoff apparatus and method with interference reduction for a radio system |
JPS6379888A (ja) | 1986-09-24 | 1988-04-09 | Tanabe Seiyaku Co Ltd | ペニシリン誘導体の安定型水和物 |
US4794635A (en) | 1986-11-28 | 1988-12-27 | Motorola, Inc. | Two-way radio communication system with max-minimum call assignment method |
CA1309519C (en) | 1987-03-17 | 1992-10-27 | Antonio Cantoni | Transfer of messages in a multiplexed system |
US4811380A (en) | 1988-01-29 | 1989-03-07 | Motorola, Inc. | Cellular radiotelephone system with dropped call protection |
US5058107A (en) | 1989-01-05 | 1991-10-15 | Hughes Aircraft Company | Efficient digital frequency division multiplexed signal receiver |
US5042082A (en) | 1989-06-26 | 1991-08-20 | Telefonaktiebolaget L. M. Ericsson | Mobile assisted handoff |
US5220562A (en) | 1989-05-12 | 1993-06-15 | Hitachi, Ltd. | Bridge apparatus and a communication system between networks using the bridge apparatus |
GB2236454A (en) | 1989-09-01 | 1991-04-03 | Philips Electronic Associated | Communications system for radio telephones |
JP2854346B2 (ja) | 1989-09-19 | 1999-02-03 | 日本電信電話株式会社 | チャネル割当方法 |
US4977612A (en) | 1989-10-10 | 1990-12-11 | Motorola, Inc. | Channel selection in a multi-frequency radio data communication system |
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 |
SE465004B (sv) | 1989-12-18 | 1991-07-08 | Televerket | Metod foer faststaellning av multipla interferenser i ett mobilradiosystem |
US5239667A (en) | 1990-01-31 | 1993-08-24 | Nec Corporation | Method of controlling handoff in cellular mobile radio communications system |
CA2032325C (en) | 1990-12-14 | 1998-07-07 | Leo Strawczynski | Intra-cell call hand-over in radio communication systems with dynamic channel allocation |
US5175867A (en) | 1991-03-15 | 1992-12-29 | Telefonaktiebolaget L M Ericsson | Neighbor-assisted handoff in a cellular communications system |
US5367539A (en) * | 1991-12-31 | 1994-11-22 | At&T Bell Laboratories | Digital block processor for processing a plurality of transmission channels in a wireless radiotelephony system |
US5267261A (en) * | 1992-03-05 | 1993-11-30 | Qualcomm Incorporated | Mobile station assisted soft handoff in a CDMA cellular communications system |
US5216692A (en) * | 1992-03-31 | 1993-06-01 | Motorola, Inc. | Method and apparatus for adjusting a power control threshold in a communication system |
US5345598A (en) * | 1992-04-10 | 1994-09-06 | Ericsson-Ge Mobile Communications Holding, Inc. | Duplex power control system in a communication network |
US5260943A (en) | 1992-06-16 | 1993-11-09 | Motorola, Inc. | TDM hand-off technique using time differences |
US5745523A (en) | 1992-10-27 | 1998-04-28 | Ericsson Inc. | Multi-mode signal processing |
JP3095305B2 (ja) * | 1993-01-28 | 2000-10-03 | 株式会社エヌ・ティ・ティ・ドコモ | 受信レベル測定回路 |
US5375123A (en) | 1993-02-05 | 1994-12-20 | Telefonakitebolaget L. M. Ericsson | Allocation of channels using interference estimation |
US5410733A (en) * | 1993-02-11 | 1995-04-25 | Nokia Mobile Phones Ltd. | Received signal strength information measurement useful in a mobile telephone system having mobile assisted handoff capability |
JP3210131B2 (ja) * | 1993-05-20 | 2001-09-17 | リーダー電子株式会社 | コードレステレフォンの測定チャンネルの高速捕捉装置 |
US5535240A (en) * | 1993-10-29 | 1996-07-09 | Airnet Communications Corporation | Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for multichannel communication network |
JP3097808B2 (ja) * | 1993-11-26 | 2000-10-10 | 株式会社エヌ・ティ・ティ・ドコモ | 通信装置および方法、ならびに通信システム |
US5548808A (en) * | 1993-12-08 | 1996-08-20 | Motorola, Inc. | Method for performing a handoff in a communication system |
JPH07170225A (ja) * | 1993-12-15 | 1995-07-04 | Fujitsu Ltd | 無線通信システム |
AU3893695A (en) | 1994-10-31 | 1996-05-23 | Airnet Communications Corporation | Cellular telephone system maintaining channel frequency at hand-off |
-
1996
- 1996-10-28 US US08/740,306 patent/US6473602B1/en not_active Expired - Lifetime
-
1997
- 1997-09-29 EP EP97943477A patent/EP1010345B1/en not_active Expired - Lifetime
- 1997-09-29 BR BR9712579-2A patent/BR9712579A/pt not_active Application Discontinuation
- 1997-09-29 AU AU44942/97A patent/AU728459C/en not_active Expired
- 1997-09-29 EE EEP199900173A patent/EE9900173A/xx unknown
- 1997-09-29 JP JP52046398A patent/JP3957006B2/ja not_active Expired - Lifetime
- 1997-09-29 WO PCT/US1997/016926 patent/WO1998019491A2/en active IP Right Grant
- 1997-09-29 KR KR10-1999-7003701A patent/KR100503584B1/ko not_active IP Right Cessation
- 1997-09-29 CN CN97181009A patent/CN1122433C/zh not_active Expired - Lifetime
- 1997-09-29 DE DE69720292T patent/DE69720292T2/de not_active Expired - Lifetime
-
2000
- 2000-07-19 HK HK00104437A patent/HK1025457A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1242131A (zh) | 2000-01-19 |
DE69720292D1 (de) | 2003-04-30 |
AU728459B2 (en) | 2001-01-11 |
KR100503584B1 (ko) | 2005-07-26 |
AU4494297A (en) | 1998-05-22 |
WO1998019491A3 (en) | 1998-06-25 |
HK1025457A1 (en) | 2000-11-10 |
JP2001503229A (ja) | 2001-03-06 |
WO1998019491A2 (en) | 1998-05-07 |
DE69720292T2 (de) | 2003-10-09 |
US6473602B1 (en) | 2002-10-29 |
JP3957006B2 (ja) | 2007-08-08 |
BR9712579A (pt) | 1999-10-19 |
AU728459C (en) | 2001-08-23 |
CN1122433C (zh) | 2003-09-24 |
KR20000052863A (ko) | 2000-08-25 |
EP1010345A2 (en) | 2000-06-21 |
EP1010345B1 (en) | 2003-03-26 |
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