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Performance analysis and simulations of 32‐ary cyclic code‐shift keying
Author(s) -
Kao ChiHan,
Robertson Clark,
Kragh Frank,
Lin Kyle
Publication year - 2011
Publication title -
international journal of communication systems
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.344
H-Index - 49
eISSN - 1099-1131
pISSN - 1074-5351
DOI - 10.1002/dac.1153
Subject(s) - keying , sequence (biology) , computer science , additive white gaussian noise , upper and lower bounds , preamble , baseband , code (set theory) , modulation (music) , algorithm , independent and identically distributed random variables , symbol (formal) , monte carlo method , telecommunications , topology (electrical circuits) , mathematics , white noise , statistics , random variable , physics , combinatorics , channel (broadcasting) , mathematical analysis , genetics , set (abstract data type) , acoustics , biology , programming language , bandwidth (computing)
Cyclic code‐shift keying (CCSK) is the baseband 32‐ary symbol modulation scheme used by the Joint Tactical Information Distribution System (JTIDS), the communication terminal for Link‐16. CCSK is not orthogonal and an analytic expression for the probability of symbol error for CCSK has thus far been elusive. In this paper, an analytic upper bound on the probability of symbol error of CCSK is derived for the 32‐chip CCSK starting sequence chosen for JTIDS. The analytically obtained probability of symbol error is compared with two different Monte Carlo simulations for additive white Gaussian noise. The results of both simulations match the analytic results very well and show that the analytic method yields a tight upper bound. A new 32‐chip CCSK starting sequence which has a smaller maximum off‐peak cross‐correlation value than the current JTIDS starting sequence is proposed and evaluated both analytically and by simulation. The results obtained for the new CCSK starting sequence compare favorably with the CCSK starting sequence chosen for JTIDS. Published in 2010 by John Wiley & Sons, Ltd.

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