KR19990077650A - 멀티모드무선전송시스템 - Google Patents
멀티모드무선전송시스템 Download PDFInfo
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- KR19990077650A KR19990077650A KR1019990007404A KR19990007404A KR19990077650A KR 19990077650 A KR19990077650 A KR 19990077650A KR 1019990007404 A KR1019990007404 A KR 1019990007404A KR 19990007404 A KR19990007404 A KR 19990007404A KR 19990077650 A KR19990077650 A KR 19990077650A
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- South Korea
- Prior art keywords
- modulation
- demodulation
- communication
- function
- radio
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- 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
- H04B1/06—Receivers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transceivers (AREA)
Abstract
Description
Claims (4)
- 다른 무선 변·복조 방식이 혼재하여 이용되는 환경하에서의 멀티모드 무선 전송 시스템에 있어서,이용 가능하게 하는 복수의 무선 통신 변·복조 방식에 의한 통신을 실현하기 위해서 필요한 통신 기능 수단 중에서, 직교 위상 변조기, 수신 자동 이득부, 및 준동기 검파부로 대표되는 각종 무선 통신 변·복조 방식으로 공통화할 수 있는 기능으로 이루어진 공통 변·복조 기능부와,통신 기능 수단 중에서, 각 무선 통신 변·복조 방식마다 다른 기능 전부를 실현할 수 있는 디지털 신호 처리 하드웨어에 의해 구성되는 다른 변·복조 기능부를 통신 단말기에 설치하고,각 무선 통신 방식에 대응한 변·복조 처리를 행하는 디지털 신호 처리 하드웨어상의 어드레스, 및 당해 어드레스에 기억하는 각종 무선 통신 변·복조 방식 사이에서 다른 부분을 기재한 변수 정보로 구성되는 선택 차분 정보를 상기 다른 변·복조 기능부에 공급함으로써, 특정한 변·복조 방식으로 유효화시킬 수 있는 기능 선택 수단을 이용하여, 선택 차분 정보에 따른 각종 무선 변·복조 방식에 의한 무선 통신을 가능하게 한 것을 특징으로 하는 멀티모드 무선 전송 시스템.
- 제 1 항에 있어서, 기능 선택 수단에 공급되는 각 무선 통신 시스템에서 다른 각종 변·복조 방식에 의한 선택 차분 정보는, 무선 통신의 대상이 되는 기지국으로부터 공급되고, 당해 기지국의 무선 통신 방식에 대응한 변·복조 방식이 무선 단말기에 설정되도록 한 것을 특징으로 하는 멀티모드 무선 전송 시스템.
- 제 1 항에 있어서, 기능 선택 수단에 공급되는 각 무선 통신 시스템에서 다른 각종 변·복조 방식에 의한 선택 차분 정보는, 무선 단말기에 미리 기억시켜 두고, 무선 단말기에 설치한 선택 수단을 통해서 어느 하나의 선택 차분 정보가 특정되도록 한 것을 특징으로 하는 멀티모드 무선 전송 시스템.
- 다른 무선 변·복조 방식이 혼재하여 이용되는 환경하에서의 멀티모드 무선 전송 시스템에 있어서,이용 가능하게 하는 복수의 무선 통신 변·복조 방식에 의한 통신을 실현하기 위해서 필요한 통신 기능 수단 중에서, 직교 위상 변조기, 수신 이득 제어부, 및 준동기 검파부로 대표되는 각종 무선 통신 변·복조 방식으로 공통화할 수 있는 기능으로 이루어진 공통 변·복조 기능부와,통신 기능 수단 중에서, 각 무선 통신 변·복조 방식마다 다른 기능 전부를 실현할 수 있는 디지털 신호 처리 하드웨어에 의해 구성되는 다른 변·복조 기능부를 무선 기지국에 설치하고,각종 무선 통신 방식에 대응한 변·복조 처리를 행하는 디지털 신호 처리 하드웨어상의 어드레스, 및 당해 어드레스에 기억하는 각종 무선 통신 변·복조 방식 사이에서 다른 부분을 기재한 변수 정보로 구성되는 선택 차분 정보를 상기 다른 변·복조 기능부에 공급함으로써, 특정한 변·복조 방식으로 유효화시킬 수 있는 기능 선택 수단을 이용하여, 선택 차분 정보에 따른 각종 무선 변·복조 방식에 의한 무선 통신을 가능하게 한 것을 특징으로 하는 멀티모드 무선 전송 시스템.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1998-73206 | 1998-03-06 | ||
| JP07320698A JP3348196B2 (ja) | 1998-03-06 | 1998-03-06 | 無線伝送システム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990077650A true KR19990077650A (ko) | 1999-10-25 |
| KR100432379B1 KR100432379B1 (ko) | 2004-05-22 |
Family
ID=13511457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-1999-0007404A Expired - Fee Related KR100432379B1 (ko) | 1998-03-06 | 1999-03-06 | 멀티 모드 무선 전송 시스템 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6636747B2 (ko) |
| EP (1) | EP0941002B1 (ko) |
| JP (1) | JP3348196B2 (ko) |
| KR (1) | KR100432379B1 (ko) |
| CA (1) | CA2265114C (ko) |
| DE (1) | DE69940865D1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9312814B2 (en) | 2012-03-28 | 2016-04-12 | Korea Basic Science Institute | Demodulation device, and demodulation integrated device and modulation and demodulation integrated device using the same |
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-
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- 1999-03-05 US US09/263,214 patent/US6636747B2/en not_active Expired - Lifetime
- 1999-03-05 DE DE69940865T patent/DE69940865D1/de not_active Expired - Lifetime
- 1999-03-05 EP EP99301656A patent/EP0941002B1/en not_active Expired - Lifetime
- 1999-03-06 KR KR10-1999-0007404A patent/KR100432379B1/ko not_active Expired - Fee Related
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| US9312814B2 (en) | 2012-03-28 | 2016-04-12 | Korea Basic Science Institute | Demodulation device, and demodulation integrated device and modulation and demodulation integrated device using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2265114A1 (en) | 1999-09-06 |
| DE69940865D1 (de) | 2009-06-25 |
| JP3348196B2 (ja) | 2002-11-20 |
| EP0941002B1 (en) | 2009-05-13 |
| EP0941002A2 (en) | 1999-09-08 |
| CA2265114C (en) | 2004-01-13 |
| EP0941002A3 (en) | 2000-04-12 |
| US6636747B2 (en) | 2003-10-21 |
| JPH11346383A (ja) | 1999-12-14 |
| KR100432379B1 (ko) | 2004-05-22 |
| US20020111187A1 (en) | 2002-08-15 |
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