BR9812038A - Aparelho de transmissão de canal para sistema de comunicação móvel cdma, e, processos de transmissão de canal para um sistema de comunicação móvel cdma e para gerar códigos quase ortogonais de comprimento 22 m em um sistema de comunicação móvel utilizando códigos de walsh e códigos quase ortogonais - Google Patents
Aparelho de transmissão de canal para sistema de comunicação móvel cdma, e, processos de transmissão de canal para um sistema de comunicação móvel cdma e para gerar códigos quase ortogonais de comprimento 22 m em um sistema de comunicação móvel utilizando códigos de walsh e códigos quase ortogonaisInfo
- Publication number
- BR9812038A BR9812038A BR9812038A BR9812038A BR9812038A BR 9812038 A BR9812038 A BR 9812038A BR 9812038 A BR9812038 A BR 9812038A BR 9812038 A BR9812038 A BR 9812038A BR 9812038 A BR9812038 A BR 9812038A
- Authority
- BR
- Brazil
- Prior art keywords
- communication system
- mobile communication
- codes
- orthogonal codes
- channel transmission
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/12—Generation of orthogonal codes
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
Abstract
"APARELHO DE TRANSMISSãO DE CANAL PARA SISTEMA DE COMUNICAçãO MóVEL CDMA, E, PROCESSOS DE TRANSMISSãO DE CANAL PARA UM SISTEMA DE COMUNICAçãO MóVEL CDMA E PARA GERAR CóDIGOS QUASE ORTOGONAIS DE COMPRIMENTO 2^ 2m^ EM UM SISTEMA DE COMUNICAçãO MóVEL UTILIZANDO CóDIGOS DE WALSH E CóDIGOS QUASE ORTOGONAIS". Um aparelho para gerar códigos quase ortogonais que permite mínima interferência com códigos ortogonais em um sistema de comunicação móvel utilizando os códigos ortogonais. O aparelho inclui um primeiro espalhado para espalhar pelo menos um sinal de entrada com códigos quase ortogonais, um segundo espalhador para espalhar outro sinal de entrada com códigos de Walsh, e um espalhador PN (Pseudo Ruído) para espalhamento complexa de sinais de saída dos primeiro e segundo espalhadores com seq³ências PN. Os códigos quase ortogonais são caracterizados pelo fato de um valor de correlação parcial com os códigos de Walsh não excede um valor limite de correlação parcial mínima.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970046402A KR100365346B1 (ko) | 1997-09-09 | 1997-09-09 | 이동통신시스템의쿼시직교부호생성및쿼시직교부호를이용한대역확산장치및방법 |
PCT/KR1998/000274 WO1999013599A1 (en) | 1997-09-09 | 1998-09-09 | Method for generating quasi-orthogonal code and spreader using the same in mobile communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9812038A true BR9812038A (pt) | 2000-10-03 |
Family
ID=19521072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9812038A BR9812038A (pt) | 1997-09-09 | 1998-09-09 | Aparelho de transmissão de canal para sistema de comunicação móvel cdma, e, processos de transmissão de canal para um sistema de comunicação móvel cdma e para gerar códigos quase ortogonais de comprimento 22 m em um sistema de comunicação móvel utilizando códigos de walsh e códigos quase ortogonais |
Country Status (11)
Country | Link |
---|---|
US (1) | US6377539B1 (pt) |
EP (1) | EP1013009B1 (pt) |
JP (2) | JP3888852B2 (pt) |
KR (1) | KR100365346B1 (pt) |
CN (1) | CN1160878C (pt) |
BR (1) | BR9812038A (pt) |
CA (1) | CA2298690C (pt) |
DE (1) | DE69833382T2 (pt) |
ES (1) | ES2256956T3 (pt) |
RU (1) | RU2178621C2 (pt) |
WO (1) | WO1999013599A1 (pt) |
Families Citing this family (65)
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KR100365346B1 (ko) * | 1997-09-09 | 2003-04-11 | 삼성전자 주식회사 | 이동통신시스템의쿼시직교부호생성및쿼시직교부호를이용한대역확산장치및방법 |
KR100318959B1 (ko) * | 1998-07-07 | 2002-04-22 | 윤종용 | 부호분할다중접속통신시스템의서로다른부호간의간섭을제거하는장치및방법 |
KR100346213B1 (ko) * | 1998-09-08 | 2002-08-01 | 삼성전자 주식회사 | 부호분할다중접속 통신시스템의 4진 복소 준직교부호 생성 및 이를 이용한 확산장치 및 방법 |
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-
1997
- 1997-09-09 KR KR1019970046402A patent/KR100365346B1/ko not_active IP Right Cessation
-
1998
- 1998-09-09 RU RU2000104858A patent/RU2178621C2/ru not_active IP Right Cessation
- 1998-09-09 DE DE1998633382 patent/DE69833382T2/de not_active Expired - Fee Related
- 1998-09-09 CA CA 2298690 patent/CA2298690C/en not_active Expired - Fee Related
- 1998-09-09 CN CNB988084910A patent/CN1160878C/zh not_active Expired - Lifetime
- 1998-09-09 JP JP2000511270A patent/JP3888852B2/ja not_active Expired - Fee Related
- 1998-09-09 WO PCT/KR1998/000274 patent/WO1999013599A1/en active IP Right Grant
- 1998-09-09 EP EP98944316A patent/EP1013009B1/en not_active Expired - Lifetime
- 1998-09-09 ES ES98944316T patent/ES2256956T3/es not_active Expired - Lifetime
- 1998-09-09 US US09/149,924 patent/US6377539B1/en not_active Expired - Lifetime
- 1998-09-09 BR BR9812038A patent/BR9812038A/pt not_active IP Right Cessation
-
2003
- 2003-12-10 JP JP2003412580A patent/JP3895721B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2256956T3 (es) | 2006-07-16 |
CA2298690A1 (en) | 1999-03-18 |
RU2178621C2 (ru) | 2002-01-20 |
KR100365346B1 (ko) | 2003-04-11 |
DE69833382D1 (de) | 2006-04-13 |
EP1013009B1 (en) | 2006-02-01 |
EP1013009A1 (en) | 2000-06-28 |
CN1272266A (zh) | 2000-11-01 |
CA2298690C (en) | 2006-08-22 |
JP2004153842A (ja) | 2004-05-27 |
JP2002526947A (ja) | 2002-08-20 |
JP3895721B2 (ja) | 2007-03-22 |
US6377539B1 (en) | 2002-04-23 |
CN1160878C (zh) | 2004-08-04 |
KR19990024992A (ko) | 1999-04-06 |
WO1999013599A1 (en) | 1999-03-18 |
JP3888852B2 (ja) | 2007-03-07 |
DE69833382T2 (de) | 2006-07-13 |
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B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2077 DE 26/10/2010. |
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B15K | Others concerning applications: alteration of classification |
Ipc: H04J 13/00 (2011.01), H04J 13/10 (2011.0 |