Theoretical Limits on Sequences with Ear Zero/Low Correlation Zones

Fanxin ZENG  

IEICE TRANSACTIONS on Communications   Vol.E89-B   No.3   pp.949-951
Publication Date: 2006/03/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.3.949
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fundamental Theories for Communications
sequence,  ear zero correlation zones,  inter-symbol interference,  inter-user interference,  bound,  

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Sequences with ear zero correlation zones (EZCZs) are employed to suppress inter-symbol interference (ISI) and inter-user interference (IUI) in wireless communications. Theoretical limits on correlation functions of such sequences are investigated, lower bounds on the relations among length of sequence, width of EZCZs/ELCZs and family size are derived and presented, which play an important role in assessing performance of such sequences.