AR037381A1 - Metodos y terminales de comunicaciones para aumentar la capacidad de las redes de comunicaciones de cdma - Google Patents
Metodos y terminales de comunicaciones para aumentar la capacidad de las redes de comunicaciones de cdmaInfo
- Publication number
- AR037381A1 AR037381A1 ARP020104375A ARP020104375A AR037381A1 AR 037381 A1 AR037381 A1 AR 037381A1 AR P020104375 A ARP020104375 A AR P020104375A AR P020104375 A ARP020104375 A AR P020104375A AR 037381 A1 AR037381 A1 AR 037381A1
- Authority
- AR
- Argentina
- Prior art keywords
- signal
- code division
- increase
- terminal
- terminals
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Un método en un terminal de comunicaciones móviles de acceso múltiple por división de códigos, que comprende la recepción de una primer senal en la terminal; la recepción de una segunda senal en la terminal, la primer senal es no ortogonal con respecto a la segunda senal; el aumento de la capacidad de enlace de envío de un sistema de comunicación de acceso múltiple por división de códigos del cual se reciben las primeras y las segundas senales no ortogonales cancelando una de las primeras y segundas senales en la porción de procesamiento de rastrillo del terminal. Un método en un sistema de comunicación de acceso múltiple por división de códigos que incluye una red de estación base y un método en un sistema de comunicación de acceso múltiple por división de código que comprende una infraestructura de red y una pluralidad de terminales móviles.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/993,857 US6661809B2 (en) | 2001-11-14 | 2001-11-14 | Methods and communications terminals for increasing capacity CDMA communications networks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR037381A1 true AR037381A1 (es) | 2004-11-03 |
Family
ID=25540005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP020104375A AR037381A1 (es) | 2001-11-14 | 2002-11-14 | Metodos y terminales de comunicaciones para aumentar la capacidad de las redes de comunicaciones de cdma |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6661809B2 (es) |
| EP (1) | EP1446903A4 (es) |
| JP (1) | JP2005510125A (es) |
| KR (1) | KR100661029B1 (es) |
| CN (1) | CN1611025A (es) |
| AR (1) | AR037381A1 (es) |
| BR (1) | BR0214028A (es) |
| RU (1) | RU2272359C2 (es) |
| TW (1) | TW591908B (es) |
| WO (1) | WO2003043239A1 (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7787518B2 (en) | 2002-09-23 | 2010-08-31 | Rambus Inc. | Method and apparatus for selectively applying interference cancellation in spread spectrum systems |
| US7406065B2 (en) * | 2002-03-14 | 2008-07-29 | Qualcomm, Incorporated | Method and apparatus for reducing inter-channel interference in a wireless communication system |
| US7292552B2 (en) | 2002-03-14 | 2007-11-06 | Qualcomm Incorporated | Method and apparatus for reducing interference in a wireless communication system |
| US8005128B1 (en) | 2003-09-23 | 2011-08-23 | Rambus Inc. | Methods for estimation and interference cancellation for signal processing |
| CN100568259C (zh) * | 2003-12-19 | 2009-12-09 | Nxp股份有限公司 | 防冲突中的同步 |
| JP2005354255A (ja) * | 2004-06-09 | 2005-12-22 | Fujitsu Ltd | 干渉除去装置及び干渉除去方法 |
| KR101211807B1 (ko) | 2006-01-05 | 2012-12-12 | 엘지전자 주식회사 | 이동통신 시스템에서 무선단말의 동기상태 관리방법 |
| US8798214B2 (en) * | 2007-11-14 | 2014-08-05 | Qualcomm Incorporated | Minimum finger low-power demodulator for wireless communication |
| EP2391164A1 (en) | 2009-01-20 | 2011-11-30 | Sharp Kabushiki Kaisha | Mobile station apparatus, base station apparatus, method for determining wireless link synchronization |
| GB0916911D0 (en) * | 2009-09-25 | 2009-11-11 | Icera Inc | Cancelling interference in a wireless cellular network |
| JP6088596B2 (ja) * | 2011-05-20 | 2017-03-01 | 株式会社Ｎｔｔドコモ | 受信装置、送信装置及び無線通信方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5235612A (en) | 1990-12-21 | 1993-08-10 | Motorola, Inc. | Method and apparatus for cancelling spread-spectrum noise |
| US5105435A (en) | 1990-12-21 | 1992-04-14 | Motorola, Inc. | Method and apparatus for cancelling spread-spectrum noise |
| US5224122A (en) | 1992-06-29 | 1993-06-29 | Motorola, Inc. | Method and apparatus for canceling spread-spectrum noise |
| US5323418A (en) | 1993-01-13 | 1994-06-21 | Motorola, Inc. | Code division multiple access (CDMA) inbound messaging system utilizing interference cancellation to recover inbound messages |
| US5978413A (en) | 1995-08-28 | 1999-11-02 | Bender; Paul E. | Method and system for processing a plurality of multiple access transmissions |
| US6009089A (en) | 1996-08-20 | 1999-12-28 | Lucent Technologies Inc. | Pilot interference cancellation for a coherent wireless code division multiple access receiver |
| US6222828B1 (en) | 1996-10-30 | 2001-04-24 | Trw, Inc. | Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications |
| IL120538A (en) | 1997-03-26 | 2000-11-21 | Dspc Tech Ltd | Method and apparatus for reducing spread-spectrum noise |
| US6154443A (en) | 1998-08-11 | 2000-11-28 | Industrial Technology Research Institute | FFT-based CDMA RAKE receiver system and method |
| US6570909B1 (en) | 1999-07-09 | 2003-05-27 | Nokia Mobile Phones | Interference suppression in a CDMA receiver |
| US6665288B1 (en) | 1999-11-08 | 2003-12-16 | Ericsson Inc. | Method and apparatus for reducing synchronization code interference in CDMA communications systems |
| EP1143630B1 (en) * | 2000-04-07 | 2004-06-16 | Alcatel | A receiver for a CDMA mobile radiocommunication system |
| GB2369018A (en) * | 2000-11-10 | 2002-05-15 | Ubinetics Ltd | Control channel interference cancellation for a CDMA receiver |
| US20020131390A1 (en) * | 2001-03-09 | 2002-09-19 | Wen-Yi Kuo | Cancellation of non-orthogonal signal in CDMA wireless communications systems |
-
2001
- 2001-11-14 US US09/993,857 patent/US6661809B2/en not_active Expired - Lifetime
-
2002
- 2002-11-08 RU RU2004117854/09A patent/RU2272359C2/ru active
- 2002-11-08 KR KR1020047007285A patent/KR100661029B1/ko not_active IP Right Cessation
- 2002-11-08 BR BR0214028-4A patent/BR0214028A/pt not_active IP Right Cessation
- 2002-11-08 WO PCT/US2002/036014 patent/WO2003043239A1/en not_active Application Discontinuation
- 2002-11-08 CN CNA028226054A patent/CN1611025A/zh active Pending
- 2002-11-08 JP JP2003544949A patent/JP2005510125A/ja not_active Withdrawn
- 2002-11-08 EP EP02782284A patent/EP1446903A4/en not_active Withdrawn
- 2002-11-14 AR ARP020104375A patent/AR037381A1/es unknown
- 2002-11-14 TW TW091133376A patent/TW591908B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR100661029B1 (ko) | 2006-12-26 |
| TW200300635A (en) | 2003-06-01 |
| RU2272359C2 (ru) | 2006-03-20 |
| RU2004117854A (ru) | 2005-10-10 |
| BR0214028A (pt) | 2004-10-13 |
| KR20050058237A (ko) | 2005-06-16 |
| JP2005510125A (ja) | 2005-04-14 |
| EP1446903A1 (en) | 2004-08-18 |
| WO2003043239A1 (en) | 2003-05-22 |
| US20030091018A1 (en) | 2003-05-15 |
| EP1446903A4 (en) | 2005-11-23 |
| CN1611025A (zh) | 2005-04-27 |
| US6661809B2 (en) | 2003-12-09 |
| TW591908B (en) | 2004-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FB | Suspension of granting procedure | ||
| FB | Suspension of granting procedure |