Efficient generation and correlation of sequence pairs with three zero-correlation zones
IEEE Transactions on Signal Processing
A Novel Ternary CDMA Code for TPSK Modulation Scheme
Wireless Personal Communications: An International Journal
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In this paper large area synchronized (LAS)-CDMA is investigated, which exhibits a significantly better performance than the traditional random code based DS-CDMA system. Closed-form formulas are derived for characterizing the BER performance of LAS-CDMA as a function of the number of resolvable paths Lp, the maximum delay difference Tmax and the number of users K when communicating over a Nakagami-m fading channel. Moreover, the limited number of available LAS codes having a certain interference free window width suggests that the employment of LAS-CDMA is beneficial in a low-user-load scenario, where a near-single-user performance can be achieved without a multiuser detector.