Abstract
This paper provides the performance analysis of multi input multi output (MIMO) Multi carrier (MC) interleaver based multiple-access system with multiuser detection. Interleave-division multiple access (IDMA) is a scheme in which users are separated by employing different interleavers instead of different signatures as in a conventional code-division multiple-access (CDMA) scheme. The basic principle of IDMA is that the interleaver is different for different users. Interleavers are generated independently and randomly. At the receiver, ZF, LLSE, VBLAST/ZF/MAP and VBLAST/LLSE/MAP detectors are employed. The performance of the system is analyzed for different channel conditions using extensive simulation runs based on Monte Carlo simulation trials. Simulation results divulge that VBLAST/LLSE/MAP detector results in significant performance amelioration compared to other detectors as applied to MC/IDMA system.
Highlights
This paper presents an approach to asynchronous multiple access scheme called interleave division multipleaccess (IDMA) [1] system with multi input multi output (MIMO) support
This paper provides the performance analysis of multi input multi output (MIMO) Multi carrier (MC) interleaver based multiple-access system with multiuser detection
Interleave-division multiple access (IDMA) is a scheme in which users are separated by employing different interleavers instead of different signatures as in a conventional code-division multiple-access (CDMA) scheme
Summary
This paper presents an approach to asynchronous multiple access scheme called interleave division multipleaccess (IDMA) [1] system with MIMO support. OFDM techniques can compensate for multi-path fading effects, which cause time dispersion, and out of band emission of the received signal Combining these techniques with the IDMA system can result in MIMO MC/IDMA that can offer bandwidth efficiency, space diversity and lower speed parallel type of signal processing and interference rejection capability (ISI reduction) in high data-rate transmission. We will show that the MIMO MC/IDMA scheme can provide better performance with the aid of VBLAST/ LLSE/MAP [5,6] detection technique This approach is independent of the number of users and gives better performance in multipath environment.
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