2007•Unpublished venueRequires access

Performance of MB-OFDM UWB Systems with Extra Diversity

Jeehyun Kim, Eu-Suk Shim, Hyun Jong Yang, Hyoung‐Kyu Song, Young‐Hwan You

Abstract

This paper presents the performance of ultra-wideband multi-band orthogonal frequency division multiplexing (UWB MB-OFDM) systems with extra diversity. To fully obtain diversity gain in the current MB-OFDM system when time-domain spreading (TDS) and frequency-domain spreading (FDS) are adopted, two consecutive OFDM symbols are designed to be cyclic shifted each other. Simulation results show that the MB-OFDM using additional frequency diversity outperforms conventional MB-OFDM.

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Available abstract

Key concepts: Orthogonal frequency-division multiplexing, Diversity scheme, Frequency domain, Computer science, Ultra-wideband, Electronic engineering, Diversity gain, Diversity (politics)