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System-Level Performance of Spread Spectrum-Based Add-on Service Overlaid onto the Existing Terrestrial Digital Multimedia Broadcast Band
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  • System-Level Performance of Spread Spectrum-Based Add-on Service Overlaid onto the Existing Terrestrial Digital Multimedia Broadcast Band
  • System-Level Performance of Spread Spectrum-Based Add-on Service Overlaid onto the Existing Terrestrial Digital Multimedia Broadcast Band
저자명
Yoon. Seokhyun,Lim. Bo-Mi,Lee. Yong Tae
간행물명
ETRI journal
권/호정보
2012년|34권 4호|pp.492-502 (11 pages)
발행정보
한국전자통신연구원
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

We consider an overlaid broadcast service, where a spread spectrum (SS)-based broadcast signal is overlaid onto the existing terrestrial Digital Multimedia Broadcasting (T-DMB) band. The system is similar to the augmented data transmission in the ATSC DTV, for which it was investigated mostly in terms of link level performance, such as bit error rate. Our focus in this paper is on the system-level performances. More specifically, utilizing both a large scale path loss and a small scale fading channel model, the primary objective is to explore the tradeoff between the coverage and the achievable rate of the overlaid service and, finally, to determine the achievable rate in the overlaid service for marginal coverage reduction in the existing broadcast service. The analytical and simulation results show that an SS-based add-on service of 10 kbps to 20 kbps can co-exist with the T-DMB service while resulting in only a marginal degradation in T-DMB coverage (for example, less than one percent reduction).