CA2506754A1 - Soft handoff of a cdma reverse link - Google Patents
Soft handoff of a cdma reverse link Download PDFInfo
- Publication number
- CA2506754A1 CA2506754A1 CA002506754A CA2506754A CA2506754A1 CA 2506754 A1 CA2506754 A1 CA 2506754A1 CA 002506754 A CA002506754 A CA 002506754A CA 2506754 A CA2506754 A CA 2506754A CA 2506754 A1 CA2506754 A1 CA 2506754A1
- Authority
- CA
- Canada
- Prior art keywords
- base station
- timing
- reverse link
- subscriber unit
- signal
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 claims abstract description 82
- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000004891 communication Methods 0.000 claims description 30
- 230000007423 decrease Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 abstract description 61
- 238000010586 diagram Methods 0.000 description 26
- 230000001413 cellular effect Effects 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 11
- 238000009432 framing Methods 0.000 description 5
- 230000007480 spreading Effects 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 240000006909 Tilia x europaea Species 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 238000013442 quality metrics Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 101001077660 Homo sapiens Serine protease inhibitor Kazal-type 1 Proteins 0.000 description 1
- 102100025144 Serine protease inhibitor Kazal-type 1 Human genes 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- 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
- 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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42784702P | 2002-11-20 | 2002-11-20 | |
US60/427,847 | 2002-11-20 | ||
PCT/US2003/037272 WO2004046893A2 (en) | 2002-11-20 | 2003-11-20 | Soft handoff of a cdma reverse link |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2506754A1 true CA2506754A1 (en) | 2004-06-03 |
Family
ID=32326600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002506754A Abandoned CA2506754A1 (en) | 2002-11-20 | 2003-11-20 | Soft handoff of a cdma reverse link |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1565995A4 (es) |
JP (1) | JP2006506917A (es) |
KR (2) | KR101019460B1 (es) |
CN (1) | CN1714516B (es) |
AU (1) | AU2003294428A1 (es) |
CA (1) | CA2506754A1 (es) |
MX (1) | MXPA05005395A (es) |
NO (2) | NO338063B1 (es) |
TW (4) | TWI539762B (es) |
WO (1) | WO2004046893A2 (es) |
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 |
DK2329629T3 (da) | 2008-08-20 | 2013-07-08 | Qualcomm Inc | Multipel-rammeafvigelse mellem naboceller til at forbedre geran-signaleringsydelse når energistyring til signalering er i brug |
FR2942097A1 (fr) * | 2009-02-06 | 2010-08-13 | Thomson Licensing | Procede d'emission dans un reseau sans fil et procede de reception correspondant |
CN102422697B (zh) | 2009-05-11 | 2015-11-25 | 高通股份有限公司 | 对同信道数据传输进行时移以减少同信道干扰 |
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 |
ES2173717T3 (es) * | 1999-04-30 | 2002-10-16 | Cit Alcatel | Metodo de entrega suave en cdma utilizando mediciones de enlace ascendente. |
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 |
CN1223102C (zh) * | 2000-06-24 | 2005-10-12 | 三星电子株式会社 | 码分多址通信系统中上行链路同步传输机制同步的装置和方法 |
US7006428B2 (en) * | 2000-07-19 | 2006-02-28 | Ipr Licensing, Inc. | Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels |
JP4825372B2 (ja) * | 2000-08-09 | 2011-11-30 | エスケーテレコム株式会社 | 逆方向同期伝送方式を支援する無線通信システムにおけるハンドオーバ方法 |
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 TW103124639A patent/TWI539762B/zh not_active IP Right Cessation
- 2003-11-19 TW TW096120422A patent/TWI364920B/zh not_active IP Right Cessation
- 2003-11-19 TW TW100114978A patent/TWI470946B/zh not_active IP Right Cessation
- 2003-11-19 TW TW092132400A patent/TWI357730B/zh not_active IP Right Cessation
- 2003-11-20 CN CN200380103601.5A patent/CN1714516B/zh not_active Expired - Lifetime
- 2003-11-20 KR KR1020057009188A patent/KR101019460B1/ko not_active IP Right Cessation
- 2003-11-20 JP JP2004554010A patent/JP2006506917A/ja active Pending
- 2003-11-20 AU AU2003294428A patent/AU2003294428A1/en not_active Abandoned
- 2003-11-20 MX MXPA05005395A patent/MXPA05005395A/es active IP Right Grant
- 2003-11-20 EP EP03789911A patent/EP1565995A4/en not_active Ceased
- 2003-11-20 CA CA002506754A patent/CA2506754A1/en not_active Abandoned
- 2003-11-20 WO PCT/US2003/037272 patent/WO2004046893A2/en active Application Filing
- 2003-11-20 KR KR1020077010738A patent/KR101047967B1/ko not_active IP Right Cessation
-
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 |
---|---|
NO338063B1 (no) | 2016-07-25 |
KR101019460B1 (ko) | 2011-03-07 |
WO2004046893A2 (en) | 2004-06-03 |
AU2003294428A1 (en) | 2004-06-15 |
TW200419952A (en) | 2004-10-01 |
AU2003294428A8 (en) | 2004-06-15 |
KR20050085092A (ko) | 2005-08-29 |
NO20160875A1 (no) | 2005-08-17 |
CN1714516B (zh) | 2011-06-08 |
NO342812B1 (no) | 2018-08-13 |
TWI539762B (zh) | 2016-06-21 |
TWI364920B (en) | 2012-05-21 |
EP1565995A2 (en) | 2005-08-24 |
KR20070055642A (ko) | 2007-05-30 |
TWI357730B (en) | 2012-02-01 |
KR101047967B1 (ko) | 2011-07-12 |
NO20052945D0 (no) | 2005-06-16 |
NO20052945L (no) | 2005-08-17 |
TW201521368A (zh) | 2015-06-01 |
TWI470946B (zh) | 2015-01-21 |
JP2006506917A (ja) | 2006-02-23 |
WO2004046893A3 (en) | 2004-10-28 |
MXPA05005395A (es) | 2005-11-23 |
TW201206095A (en) | 2012-02-01 |
CN1714516A (zh) | 2005-12-28 |
EP1565995A4 (en) | 2006-12-06 |
TW200824320A (en) | 2008-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9867101B2 (en) | Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure | |
US9832664B2 (en) | Receiving and transmitting reverse link signals from subscriber units | |
NO342812B1 (no) | Mykoverlevering av en CDMA-reversforbindelse | |
MXPA06008461A (es) | Metodo de compensacion de trayectoria multiple |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Discontinued |
Effective date: 20190917 |