MX9301888A - Acceso multiple de division de tiempo para acceso de un movil en un sistema de acceso multiple de division de codigo. - Google Patents
Acceso multiple de division de tiempo para acceso de un movil en un sistema de acceso multiple de division de codigo.Info
- Publication number
- MX9301888A MX9301888A MX9301888A MX9301888A MX9301888A MX 9301888 A MX9301888 A MX 9301888A MX 9301888 A MX9301888 A MX 9301888A MX 9301888 A MX9301888 A MX 9301888A MX 9301888 A MX9301888 A MX 9301888A
- Authority
- MX
- Mexico
- Prior art keywords
- multiple access
- access
- division
- mobile
- code
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0866—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access
- H04W74/0891—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access for synchronized access
-
- 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
-
- 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
- H04B7/2618—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]
Abstract
Un método y un sistema para aumentar la capacidad de los sistemas de comunicación de radioteléfono eliminando la interferencia al tráfico de comunicación ocasionado por ráfagas de acceso aleatorio provenientes de estaciones móviles no conectadas, se exponen aquí. Los intervalos de acceso se proporcionan en señales CDMA mediante la interrupción de otros tráficos de comunicación de las estaciones móviles utilizando la misma frecuencia a intervalos periódicos. Esto permite que las ráfagas de acceso móvil sean recibidas en una estación base sin interferir con otro tráfico.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/866,579 US5295152A (en) | 1992-04-10 | 1992-04-10 | TDMA for mobile access in a CDMA system |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9301888A true MX9301888A (es) | 1993-11-30 |
Family
ID=25347918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9301888A MX9301888A (es) | 1992-04-10 | 1992-04-01 | Acceso multiple de division de tiempo para acceso de un movil en un sistema de acceso multiple de division de codigo. |
Country Status (14)
Country | Link |
---|---|
US (1) | US5295152A (es) |
EP (1) | EP0590134B1 (es) |
JP (1) | JPH07502398A (es) |
KR (1) | KR100265020B1 (es) |
AU (1) | AU663588B2 (es) |
BR (1) | BR9305475A (es) |
CA (1) | CA2111001C (es) |
DE (1) | DE69330451D1 (es) |
FI (1) | FI935519A (es) |
MX (1) | MX9301888A (es) |
NZ (1) | NZ251792A (es) |
SG (1) | SG45522A1 (es) |
TW (1) | TW263638B (es) |
WO (1) | WO1993021698A1 (es) |
Families Citing this family (82)
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WO1994021056A1 (en) * | 1993-03-05 | 1994-09-15 | Ntt Mobile Communications Network Inc. | Random access communication method by use of cdma, and system for mobile stations which use the method |
FR2702614B1 (fr) * | 1993-03-09 | 1995-04-14 | Alcatel Radiotelephone | Procédé de contrôle de puissance du paquet d'accés émis par un mobile dans un système de radiocommunication, et système mettant en Óoeuvre ce procédé. |
US5649308A (en) * | 1993-04-12 | 1997-07-15 | Trw Inc. | Multiformat auto-handoff communications handset |
US5870427A (en) * | 1993-04-14 | 1999-02-09 | Qualcomm Incorporated | Method for multi-mode handoff using preliminary time alignment of a mobile station operating in analog mode |
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JP2677191B2 (ja) * | 1994-03-15 | 1997-11-17 | 日本電気株式会社 | Cdma通信方式 |
CA2145566C (en) * | 1994-04-29 | 1999-12-28 | Nambirajan Seshadri | Methods of and devices for enhancing communications that use spread spectrum technology |
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US7929498B2 (en) * | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
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US7123600B2 (en) * | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial power control for spread-spectrum communications |
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KR100361414B1 (ko) * | 1997-10-28 | 2002-11-23 | 모토로라 인코포레이티드 | Cdma 디스패치 시스템 |
US6539226B1 (en) * | 1998-02-16 | 2003-03-25 | Nec Corporation | Base station transmission power control system mobile station and base station |
KR100381012B1 (ko) | 1998-05-04 | 2003-08-19 | 한국전자통신연구원 | 부호분할 다중접속 방식에서 상향 공통 채널의 임의 접속 장치및 방법 |
CN100334823C (zh) * | 1998-06-13 | 2007-08-29 | 三星电子株式会社 | 码分多址系统中基站和移动台之间的状态同步方法 |
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DE69842034D1 (de) | 1998-10-05 | 2011-01-20 | Sony Deutschland Gmbh | Prioritätsschema für einen Zufallszugriffskanal |
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-
1992
- 1992-04-01 MX MX9301888A patent/MX9301888A/es not_active IP Right Cessation
- 1992-04-10 US US07/866,579 patent/US5295152A/en not_active Expired - Lifetime
-
1993
- 1993-04-07 EP EP93909115A patent/EP0590134B1/en not_active Expired - Lifetime
- 1993-04-07 DE DE69330451T patent/DE69330451D1/de not_active Expired - Lifetime
- 1993-04-07 KR KR1019930703813A patent/KR100265020B1/ko not_active IP Right Cessation
- 1993-04-07 JP JP5518230A patent/JPH07502398A/ja active Pending
- 1993-04-07 BR BR9305475A patent/BR9305475A/pt not_active IP Right Cessation
- 1993-04-07 CA CA002111001A patent/CA2111001C/en not_active Expired - Fee Related
- 1993-04-07 WO PCT/SE1993/000302 patent/WO1993021698A1/en active IP Right Grant
- 1993-04-07 AU AU39649/93A patent/AU663588B2/en not_active Ceased
- 1993-04-07 NZ NZ251792A patent/NZ251792A/en unknown
- 1993-04-07 SG SG1996012117A patent/SG45522A1/en unknown
- 1993-04-13 TW TW082102764A patent/TW263638B/zh active
- 1993-12-09 FI FI935519A patent/FI935519A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
US5295152A (en) | 1994-03-15 |
AU3964993A (en) | 1993-11-18 |
BR9305475A (pt) | 1994-09-27 |
NZ251792A (en) | 1995-07-26 |
KR940701607A (ko) | 1994-05-28 |
KR100265020B1 (ko) | 2000-09-01 |
DE69330451D1 (de) | 2001-08-23 |
SG45522A1 (en) | 1998-01-16 |
JPH07502398A (ja) | 1995-03-09 |
FI935519A0 (fi) | 1993-12-09 |
AU663588B2 (en) | 1995-10-12 |
EP0590134A1 (en) | 1994-04-06 |
EP0590134B1 (en) | 2001-07-18 |
TW263638B (es) | 1995-11-21 |
WO1993021698A1 (en) | 1993-10-28 |
CA2111001A1 (en) | 1993-10-28 |
FI935519A (fi) | 1994-02-09 |
CA2111001C (en) | 2001-07-24 |
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