Title :
Performance Analysis of an Overlap-Based CSS System
Author :
Yoon, Taeung ; Ahn, Sangho ; Kim, Sun Yong ; Yoon, Seokho
Author_Institution :
Sch. of Inf. & Commun. Eng., Sungkyunkwan Univ., Suwon
Abstract :
Overlap is one of the techniques for increasing bit rate in chirp spread spectrum (CSS). Although more overlaps can offer higher data throughput, more intersymbol interference (ISI) occurs, resulting in serious bit error rate (BER) performance degradation. In this paper, we analyze the influence of the overlap on CSS systems and express the maximum number of overlapped symbols that does not incur the ISI, in terms of the chirp bandwidth and chirp duration. The analysis results are verified by BER performance simulation of direct modulation differential phase shift keying (DM-DPSK) that is a typical modulation method used in CSS.
Keywords :
chirp modulation; differential phase shift keying; error statistics; intersymbol interference; spread spectrum communication; BER; DM-DPSK; ISI; bit error rate; chirp bandwidth; chirp duration; chirp spread spectrum; direct modulation differential phase shift keying; intersymbol interference; overlap-based CSS system; performance analysis; Bit error rate; Bit rate; Cascading style sheets; Chirp modulation; Degradation; Intersymbol interference; Performance analysis; Phase modulation; Spread spectrum communication; Throughput; CSS; DM; chirp; overlap;
Conference_Titel :
Advanced Communication Technology, 2008. ICACT 2008. 10th International Conference on
Conference_Location :
Gangwon-Do
Print_ISBN :
978-89-5519-136-3
DOI :
10.1109/ICACT.2008.4493793
