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학술대회 Combining Advanced Constellations and SSD Techniques for Optimal BICM Capacity
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J. Barrueco, C. Regueiro, J. Montalban, M. Velez, P. Angueira, 김흥묵, 박성익, 이재영
International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB) 2015, pp.1-4
15MR3300, (통합)융합형 실감방송 서비스 및 전송 기술 개발, 허남호
Uniform quadrature amplitude modulation (QAM) has been widely used in terrestrial broadcasting systems because it provides a high data rate although it is less resilient to noise and interference. However, the uniform pattern of the constellation points doesn't provide the highest BICM capacity so a degree of non uniformity is needed so as to improve the BICM capacity of the system. On the other hand, due to the difficulty of some propagation scenarios in broadcasting applications signal space diversity (SSD) techniques could increase the robustness of the system. The goal of this paper is to present the performance of advanced constellation schemes and signal space diversity techniques.
Making Better Use of the Spectrum, Modulation, Non Uniform Constellation, Rotated Constellation, Signal Processing for Transmission, Terrestrial Broadcasting
KSP 제안 키워드
Broadcasting system, Diversity technique, High data rate, Making Better Use of the Spectrum, Non Uniform Constellation, Non-uniformity, Quadrature-amplitude modulation(QAM), Rotated Constellation, Terrestrial Broadcasting, signal processing for transmission, signal space diversity