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Extended quasi-orthogonal sequences on jacket matrices

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2 Author(s)
Jia Hou ; Inst. of Inf. & Commun., Chonbuk Nat. Univ., Chonju, South Korea ; Moon Ho Lee

In this paper, the quasi-orthogonal sequences (QOS) designed from jacket matrices are introduced. In contrast to the conventional QOS design on Walsh sequences, we now investigate polyphase sequences on jacket matrices. The proposed quasi-orthogonal sequences could enlarge the number of users and retain the lower cross-correlation property. Additionally, a simple recursive method to find the proper bent sequences is presented. The new method can easily give extended QOS constructions.

Published in:

2005 IEEE International Conference on Personal Wireless Communications, 2005. ICPWC 2005.

Date of Conference:

23-25 Jan. 2005