AR021780A1 - Procedimiento de comunicaciones numericas amrc con distribucion de los simbolos de referencia - Google Patents
Procedimiento de comunicaciones numericas amrc con distribucion de los simbolos de referenciaInfo
- Publication number
- AR021780A1 AR021780A1 ARP990104196A ARP990104196A AR021780A1 AR 021780 A1 AR021780 A1 AR 021780A1 AR P990104196 A ARP990104196 A AR P990104196A AR P990104196 A ARP990104196 A AR P990104196A AR 021780 A1 AR021780 A1 AR 021780A1
- Authority
- AR
- Argentina
- Prior art keywords
- amrc
- reference symbols
- distribution
- numerical
- communications procedure
- Prior art date
Links
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
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
- H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- 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
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Procedimiento de comunicaciones numéricas AMRC con distribucion de los símbolos de referencia. De acuerdo con la presente, los símbolos de referencia (Sr)son distribuidos en una unica de los componentes (I o Q) de la senal de AMRC. Aplicacion en radio-comunicaciones moviles terrestres.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9810579A FR2782587B1 (fr) | 1998-08-20 | 1998-08-20 | Procedes de communications numeriques amrc a repartition des symboles de reference |
Publications (1)
Publication Number | Publication Date |
---|---|
AR021780A1 true AR021780A1 (es) | 2002-08-07 |
Family
ID=9529794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP990104196A AR021780A1 (es) | 1998-08-20 | 1999-08-20 | Procedimiento de comunicaciones numericas amrc con distribucion de los simbolos de referencia |
Country Status (7)
Country | Link |
---|---|
US (1) | US6424644B1 (es) |
EP (1) | EP1105982B1 (es) |
JP (1) | JP2002523967A (es) |
AR (1) | AR021780A1 (es) |
DE (1) | DE69906758T2 (es) |
FR (1) | FR2782587B1 (es) |
WO (1) | WO2000011814A1 (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2782585B1 (fr) * | 1998-08-20 | 2000-09-22 | France Telecom | Recepteur en rateau iteratif et procede de reception correspondant |
GB2358116B (en) * | 1999-02-24 | 2002-11-06 | Nec Corp | Demodulation circuit and demodulation method with compensation for sampling offset |
JP3252820B2 (ja) | 1999-02-24 | 2002-02-04 | 日本電気株式会社 | 復調及び変調回路並びに復調及び変調方法 |
FR2794589B1 (fr) * | 1999-06-02 | 2001-08-24 | France Telecom | Procede de communications radiomobiles amrt iteratif |
WO2010047037A1 (en) * | 2008-10-24 | 2010-04-29 | Nec Corporation | Device and method for estimating doppler spread in a mobile communications terminal |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5414728A (en) * | 1993-11-01 | 1995-05-09 | Qualcomm Incorporated | Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels |
US5471497A (en) * | 1993-11-01 | 1995-11-28 | Zehavi; Ephraim | Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding |
FR2742014B1 (fr) * | 1995-12-04 | 1998-01-09 | Commissariat Energie Atomique | Circuit numerique pour recepteur differentiel de signaux a etalement de spectre par sequence directe |
US5751763A (en) * | 1996-03-15 | 1998-05-12 | Motorola, Inc. | Method and apparatus for power control in a communication system |
US5930230A (en) * | 1996-05-28 | 1999-07-27 | Qualcomm Incorporated | High data rate CDMA wireless communication system |
US6064663A (en) * | 1996-09-10 | 2000-05-16 | Nokia Mobile Phones Limited | Cellular CDMA data link utilizing multiplexed channels for data rate increase |
US5767738A (en) * | 1996-10-21 | 1998-06-16 | Motorola, Inc. | Apparatus and method for demodulating a modulated signal |
JP3363734B2 (ja) * | 1997-02-21 | 2003-01-08 | 沖電気工業株式会社 | 周波数制御回路 |
US6208632B1 (en) * | 1998-01-29 | 2001-03-27 | Sharp Laboratories Of America | System and method for CDMA channel estimation |
-
1998
- 1998-08-20 FR FR9810579A patent/FR2782587B1/fr not_active Expired - Lifetime
-
1999
- 1999-08-13 US US09/373,590 patent/US6424644B1/en not_active Expired - Lifetime
- 1999-08-19 EP EP99936756A patent/EP1105982B1/fr not_active Expired - Lifetime
- 1999-08-19 JP JP2000566973A patent/JP2002523967A/ja active Pending
- 1999-08-19 DE DE69906758T patent/DE69906758T2/de not_active Expired - Lifetime
- 1999-08-19 WO PCT/FR1999/002012 patent/WO2000011814A1/fr active IP Right Grant
- 1999-08-20 AR ARP990104196A patent/AR021780A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
DE69906758D1 (de) | 2003-05-15 |
FR2782587A1 (fr) | 2000-02-25 |
US6424644B1 (en) | 2002-07-23 |
FR2782587B1 (fr) | 2000-09-22 |
WO2000011814A1 (fr) | 2000-03-02 |
EP1105982B1 (fr) | 2003-04-09 |
EP1105982A1 (fr) | 2001-06-13 |
DE69906758T2 (de) | 2004-01-29 |
JP2002523967A (ja) | 2002-07-30 |
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