TWI357730B - Soft handoff of a cdma reverse link - Google Patents
Soft handoff of a cdma reverse link Download PDFInfo
- Publication number
- TWI357730B TWI357730B TW092132400A TW92132400A TWI357730B TW I357730 B TWI357730 B TW I357730B TW 092132400 A TW092132400 A TW 092132400A TW 92132400 A TW92132400 A TW 92132400A TW I357730 B TWI357730 B TW I357730B
- Authority
- TW
- Taiwan
- Prior art keywords
- base station
- signal
- reverse link
- timing
- orthogonal
- Prior art date
Links
- 238000004891 communication Methods 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000005259 measurement Methods 0.000 claims description 30
- 238000012546 transfer Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 241000255925 Diptera Species 0.000 claims 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
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- 210000003205 muscle Anatomy 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 26
- 238000012423 maintenance Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000009467 reduction Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 208000003580 polydactyly Diseases 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 101100132433 Arabidopsis thaliana VIII-1 gene Proteins 0.000 description 1
- 206010011469 Crying Diseases 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000013641 positive control Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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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
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—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. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—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
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/002—Mutual synchronization
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Wire Bonding (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42784702P | 2002-11-20 | 2002-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200419952A TW200419952A (en) | 2004-10-01 |
| TWI357730B true TWI357730B (en) | 2012-02-01 |
Family
ID=32326600
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW092132400A TWI357730B (en) | 2002-11-20 | 2003-11-19 | Soft handoff of a cdma reverse link |
| TW100114978A TWI470946B (zh) | 2002-11-20 | 2003-11-19 | 無線用戶單元及軟性交接方法 |
| TW096120422A TWI364920B (en) | 2002-11-20 | 2003-11-19 | Soft handoff of a cdma reverse link |
| TW103124639A TWI539762B (zh) | 2002-11-20 | 2003-11-19 | 分碼多路接取反向鏈路之軟性交接操作 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW100114978A TWI470946B (zh) | 2002-11-20 | 2003-11-19 | 無線用戶單元及軟性交接方法 |
| TW096120422A TWI364920B (en) | 2002-11-20 | 2003-11-19 | Soft handoff of a cdma reverse link |
| TW103124639A TWI539762B (zh) | 2002-11-20 | 2003-11-19 | 分碼多路接取反向鏈路之軟性交接操作 |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1565995A4 (ko) |
| JP (1) | JP2006506917A (ko) |
| KR (2) | KR101019460B1 (ko) |
| CN (1) | CN1714516B (ko) |
| AU (1) | AU2003294428A1 (ko) |
| CA (1) | CA2506754A1 (ko) |
| MX (1) | MXPA05005395A (ko) |
| NO (2) | NO338063B1 (ko) |
| TW (4) | TWI357730B (ko) |
| WO (1) | WO2004046893A2 (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7911993B2 (en) | 2000-07-19 | 2011-03-22 | Ipr Licensing, Inc. | Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure |
| US8537656B2 (en) | 2000-07-19 | 2013-09-17 | Ipr Licensing, Inc. | Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure |
| US6917581B2 (en) | 2001-07-17 | 2005-07-12 | Ipr Licensing, Inc. | Use of orthogonal or near orthogonal codes in reverse link |
| US7821995B2 (en) * | 2004-09-30 | 2010-10-26 | Alcatel-Lucent Usa Inc. | Active session mobility solution for radio link protocol |
| ES2410260T3 (es) * | 2008-08-20 | 2013-07-01 | Qualcomm Incorporated | Desplazamiento de múltiples tramas entre células vecinas para potenciar el rendimiento de señalización GERAN cuando está en uso el control de potencia para la señalización |
| FR2942097A1 (fr) | 2009-02-06 | 2010-08-13 | Thomson Licensing | Procede d'emission dans un reseau sans fil et procede de reception correspondant |
| TWI473456B (zh) | 2009-05-11 | 2015-02-11 | Qualcomm Inc | 對同通道資料傳輸進行時移以減少同通道干擾 |
| JP5479553B2 (ja) * | 2012-09-20 | 2014-04-23 | 京セラ株式会社 | 通信方法およびそれを利用した端末装置 |
Family Cites Families (22)
| 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 |
| US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
| JP2677191B2 (ja) * | 1994-03-15 | 1997-11-17 | 日本電気株式会社 | Ｃｄｍａ通信方式 |
| ZA955605B (en) * | 1994-07-13 | 1996-04-10 | Qualcomm Inc | System and method for simulating user interference received by subscriber units in a spread spectrum communication network |
| US5691974A (en) * | 1995-01-04 | 1997-11-25 | Qualcomm Incorporated | Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy |
| JPH1013918A (ja) * | 1996-06-19 | 1998-01-16 | Toshiba Corp | 符号分割多元接続方式を採用した移動通信システムとその無線通信装置 |
| JPH1022874A (ja) * | 1996-07-09 | 1998-01-23 | Hitachi Ltd | Ｃｄｍａ通信システムおよび通信方法 |
| JPH1028077A (ja) * | 1996-07-11 | 1998-01-27 | Takuro Sato | 通信装置 |
| US5937019A (en) | 1996-08-07 | 1999-08-10 | Qualcomm Incorporated | Method and apparatus for reliable intersystem handoff in a CDMA system |
| KR100407355B1 (ko) * | 1998-02-14 | 2004-04-03 | 삼성전자주식회사 | 이동통신시스템의역방향링크시간정렬장치및방법 |
| US5956641A (en) * | 1998-03-30 | 1999-09-21 | Motorola, Inc. | System and method for facilitating a handoff of at least one mobile unit in a telecommunication system |
| JP2000278759A (ja) * | 1999-03-26 | 2000-10-06 | Oki Electric Ind Co Ltd | 送信タイミング制御装置 |
| JP2000286784A (ja) * | 1999-03-31 | 2000-10-13 | Oki Electric Ind Co Ltd | 無線端末、無線基地局、及び無線通信システム |
| DE69900938T2 (de) * | 1999-04-30 | 2003-01-16 | Alcatel Sa | Weiches Übergabeverfahren für CDMA unter Verwendung von Rückkanal Messdaten |
| JP2001016159A (ja) * | 1999-06-28 | 2001-01-19 | Fujitsu Ltd | 基地局及び移動局 |
| US8099122B1 (en) * | 2000-06-05 | 2012-01-17 | Qualcomm Incorporated | Method and apparatus for improved forward link power control while in soft handoff |
| WO2002001742A1 (en) * | 2000-06-24 | 2002-01-03 | Samsung Electronics Co., Ltd | Apparatus and method for synchronization of uplink synchronous transmission scheme in a cdma communication system |
| US7006428B2 (en) * | 2000-07-19 | 2006-02-28 | Ipr Licensing, Inc. | Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels |
| CN1252954C (zh) * | 2000-08-09 | 2006-04-19 | Sk泰力康姆株式会社 | 支持上行链路同步传输方案的无线电信系统切换方法 |
| US7054292B2 (en) * | 2000-10-27 | 2006-05-30 | L-3 Communications Corporation | Hybrid synchronous space/code multiple access system using an adaptive antenna system |
| US6930470B2 (en) * | 2001-03-01 | 2005-08-16 | Nortel Networks Limited | System and method for code division multiple access communication in a wireless communication environment |
| US6917581B2 (en) * | 2001-07-17 | 2005-07-12 | Ipr Licensing, Inc. | Use of orthogonal or near orthogonal codes in reverse link |
-
2003
- 2003-11-19 TW TW092132400A patent/TWI357730B/zh not_active IP Right Cessation
- 2003-11-19 TW TW100114978A patent/TWI470946B/zh not_active IP Right Cessation
- 2003-11-19 TW TW096120422A patent/TWI364920B/zh not_active IP Right Cessation
- 2003-11-19 TW TW103124639A patent/TWI539762B/zh not_active IP Right Cessation
- 2003-11-20 EP EP03789911A patent/EP1565995A4/en not_active Ceased
- 2003-11-20 MX MXPA05005395A patent/MXPA05005395A/es active IP Right Grant
- 2003-11-20 JP JP2004554010A patent/JP2006506917A/ja active Pending
- 2003-11-20 KR KR1020057009188A patent/KR101019460B1/ko not_active IP Right Cessation
- 2003-11-20 KR KR1020077010738A patent/KR101047967B1/ko not_active IP Right Cessation
- 2003-11-20 CN CN200380103601.5A patent/CN1714516B/zh not_active Expired - Lifetime
- 2003-11-20 AU AU2003294428A patent/AU2003294428A1/en not_active Abandoned
- 2003-11-20 WO PCT/US2003/037272 patent/WO2004046893A2/en active Application Filing
- 2003-11-20 CA CA002506754A patent/CA2506754A1/en not_active Abandoned
-
2005
- 2005-06-16 NO NO20052945A patent/NO338063B1/no not_active IP Right Cessation
-
2016
- 2016-05-24 NO NO20160875A patent/NO342812B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2506754A1 (en) | 2004-06-03 |
| TWI539762B (zh) | 2016-06-21 |
| NO20052945D0 (no) | 2005-06-16 |
| WO2004046893A2 (en) | 2004-06-03 |
| TW201521368A (zh) | 2015-06-01 |
| TWI470946B (zh) | 2015-01-21 |
| TWI364920B (en) | 2012-05-21 |
| KR20070055642A (ko) | 2007-05-30 |
| JP2006506917A (ja) | 2006-02-23 |
| EP1565995A2 (en) | 2005-08-24 |
| MXPA05005395A (es) | 2005-11-23 |
| NO342812B1 (no) | 2018-08-13 |
| KR101047967B1 (ko) | 2011-07-12 |
| NO338063B1 (no) | 2016-07-25 |
| CN1714516B (zh) | 2011-06-08 |
| KR101019460B1 (ko) | 2011-03-07 |
| TW200419952A (en) | 2004-10-01 |
| EP1565995A4 (en) | 2006-12-06 |
| NO20052945L (no) | 2005-08-17 |
| NO20160875A1 (no) | 2005-08-17 |
| CN1714516A (zh) | 2005-12-28 |
| KR20050085092A (ko) | 2005-08-29 |
| AU2003294428A8 (en) | 2004-06-15 |
| WO2004046893A3 (en) | 2004-10-28 |
| AU2003294428A1 (en) | 2004-06-15 |
| TW200824320A (en) | 2008-06-01 |
| TW201206095A (en) | 2012-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |