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Interleaver design based on linear congruences for IDMA systems

Authors Luo, Z.
Wong, A.K. View this author's profile
Qiu, S.
Issue Date 2009
Source 2009 IEEE 10th Annual Wireless and Microwave Technology Conference, WAMICON 2009 , 2009
Summary Criteria for a good interleaver design for IDMA include low memory requirement, easy generation, low correlation among interleavers, and low overhead for synchronization between user and base station. A novel interleaver design based on linear congruences for IDMA systems is proposed in this paper. The design requires the storage of only a small number of parameters and the transmission of a small number of bits for synchronization. Users and base stations can derive the interleavers from the identification numbers for different users independently and simultaneously. A parallel permutation mechanism is proposed for reducing the generation time of interleavers. Simulation results show that our interleaver design has better performance than the pseudo random interleaver design for IDMA. ©2009 IEEE.
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Language English
Format Conference paper
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