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2 Dimension Interleaver Design for OFDM-IDMA System

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4 Author(s)
Wenjun Ren ; Nat. Key Lab. of Sci. & Technol. on Commun., Univ. of Electron. Sci. & Technol. of China, Chengdu, China ; Xu He ; Xinya Liu ; Shaoqian Li

Interleaver is very important to interleave-division multiple-access (IDMA) system for separating users. But most interleavers are designed for conventional IDMA detection. In this paper, an improved interleaver in downlink is proposed for orthogonal frequency division multiplexing interleave-division multiple-access (OFDM-IDMA) system in high speed circumstance. Simulation results show that compared with the conventional IDMA system, it can get time diversity gain and perform better.

Published in:

Wireless Communications Networking and Mobile Computing (WiCOM), 2010 6th International Conference on

Date of Conference:

23-25 Sept. 2010