2010•Unpublished venueRequires access

Design of distributed space-time trellis code for relay systems over cascaded Nakagami channels

Hacı İlhan, İbrahim Altunbaş, Murat Uysal

Abstract

In this paper, error performance of a coded cooperative relay system is investigated when channels have cascaded Nakagami distribution. By using general pairwise error probability upper bound of the system, code design criterion for the distributed space-time code is derived and using this criterion, 8-state distributed space-time trellis codes for 4-PSK and 8-PSK modulations are designed. The error performances of the new codes are evaluated by computer simulations and compared those of the corresponding codes.

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Available abstract

Key concepts: Pairwise error probability, Trellis (graph), Nakagami distribution, Relay, Space–time trellis code, Computer science, Code (set theory), Algorithm