KR100927641B1 - 협대역 간섭 억제 기능을 구비한 m 진 직교 변조 초광대역통신 방법 - Google Patents
협대역 간섭 억제 기능을 구비한 m 진 직교 변조 초광대역통신 방법 Download PDFInfo
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- KR100927641B1 KR100927641B1 KR1020080024866A KR20080024866A KR100927641B1 KR 100927641 B1 KR100927641 B1 KR 100927641B1 KR 1020080024866 A KR1020080024866 A KR 1020080024866A KR 20080024866 A KR20080024866 A KR 20080024866A KR 100927641 B1 KR100927641 B1 KR 100927641B1
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- 238000004891 communication Methods 0.000 title claims abstract description 16
- 230000001629 suppression Effects 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000003595 spectral effect Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- 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
- H04B1/7163—Spread spectrum techniques using impulse radio
- H04B1/719—Interference-related aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
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Abstract
Description
Claims (5)
- g(t)는 기본파형, wn(t)는 n 번째 직교 펄스 시리즈, fCn은 협대역 간섭 주파수인 경우, N 개의 서로 다른 영점의 전력 스펙트럼 밀도를 가지는 2N 개의 직교 펄스 시리즈 세트를 하기의 수학식에 의해 생성하는 제 1 단계(단, kn (+)와 kn (-)는 정수); 및상기 직교 펄스 시리즈 세트를 이용하여 전송신호(s(t))를 하기의 수학식으로 표현되도록 생성하는 제 2 단계를 포함하는 협대역 간섭 억제 기능을 구비한 M 진 직교 변조 초광대역 통신 방법.(단, i는 심볼 일련번호, Es는 심볼 에너지,Ns는 프레임 반복횟수(하나의 심볼이 Ns 동일 프레임으로 표현되는 것),di ( ∈ {0, …, M-1} )는 i 번째 심볼,wdi(t)는 M-ary 신호 세트에 있는 di 번째 심볼 파형,Tf 는 프레임 길이)
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KR1020080024866A KR100927641B1 (ko) | 2008-03-18 | 2008-03-18 | 협대역 간섭 억제 기능을 구비한 m 진 직교 변조 초광대역통신 방법 |
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KR1020080024866A KR100927641B1 (ko) | 2008-03-18 | 2008-03-18 | 협대역 간섭 억제 기능을 구비한 m 진 직교 변조 초광대역통신 방법 |
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KR20090099715A KR20090099715A (ko) | 2009-09-23 |
KR100927641B1 true KR100927641B1 (ko) | 2009-11-20 |
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Citations (1)
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KR20060052402A (ko) * | 2004-11-02 | 2006-05-19 | 한국전자통신연구원 | 다중 코드 부호화된 배직교 펄스 위치 변조 방식에 기반한초광대역 임펄스 통신 장치 및 방법 |
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KR20060052402A (ko) * | 2004-11-02 | 2006-05-19 | 한국전자통신연구원 | 다중 코드 부호화된 배직교 펄스 위치 변조 방식에 기반한초광대역 임펄스 통신 장치 및 방법 |
Non-Patent Citations (3)
Title |
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ETRI Journal Vol 29, No 4* |
Radio and Wireless Symposium 2006 |
한국 ITS 학회 논문지 제5권 제3호 2006 |
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