New Bounds on the Total-Squared-Correlation of Quaternary Signature Sets and Optimal Designs

被引：0

作者：

Li, Ming ^{[1
]}

Batalama, Stella N. ^{[1
]}

Pados, Dimitris A. ^{[1
]}

Matyjas, John D. ^{[2
]}

机构：

[1] SUNY Buffalo, Dept Elect Engn, Buffalo, NY 14260 USA

[2] Air Force Res Lab, RIGE, Griffiss AFB, NY 13441 USA

来源：

GLOBECOM 2009 - 2009 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-8 | 2009年

关键词：

Code-division multiplexing; quaternary alphabet; sequences; Welch bound; KARYSTINOS-PADOS BOUNDS; DS-CDMA; INTERFERENCE AVOIDANCE; WIRELESS SYSTEMS; SUM CAPACITY; SEQUENCES; MATRICES; WELCH;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We derive new bounds on the total squared correlation (TSC) of quaternary (quadriphase) signature/sequence sets for all lengths L and set sizes K. Then, for all K, L, we design minimum-TSC optimal sets that meet the new bounds with equality. Direct numerical comparison with the TSC value of the recently obtained optimal binary sets shows under what K,L realizations gains are materialized by moving from the binary to the quaternary code-division multiplexing alphabet. On the other hand, comparison with the Welch TSC value for real/complex-field sets shows that, arguably, not much is to be gained by raising the alphabet size above four for any K, L.

引用

页码：6328 / +

页数：2

共 10 条

[1] Minimum Total-Squared-Correlation Quaternary Signature Sets: New Bounds and Optimal Designs
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[2] New Bounds and Optimal Binary Signature Sets-Part I: Periodic Total Squared Correlation
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