STBC MC‐CDMA systems: comparison of MMSE single‐user and multiple‐user detection schemes over Rayleigh and MIMO METRA channels | Zendy

Auffray JeanMichel | Zendy; Baudais JeanYves | Zendy; Hélard JeanFrançois | Zendy

Open Access

STBC MC‐CDMA systems: comparison of MMSE single‐user and multiple‐user detection schemes over Rayleigh and MIMO METRA channels

Author(s) -

Auffray JeanMichel,

Baudais JeanYves,

Hélard JeanFrançois

Publication year - 2004

Publication title -

european transactions on telecommunications

Language(s) - English

Resource type - Journals

eISSN - 1541-8251

pISSN - 1124-318X

DOI - 10.1002/ett.973

Subject(s) - mimo , space–time block code , rayleigh fading , block code , code division multiple access , computer science , electronic engineering , single antenna interference cancellation , multiuser detection , interference (communication) , channel (broadcasting) , telecommunications , fading , engineering , decoding methods

The performance of MMSE single‐user detection (SD) and multi‐user detection (MD) STBC multi‐carrier code division multiple access (MC‐CDMA) systems are analysed and compared in the case of two transmit antennas and one or two receive antennas over Rayleigh fading channels and then over the stochastic multiple input multiple output (MIMO) METRA channel model. With two transmit and one receive antennas, MD achieves a gain of roughly 1 dB for non‐full load systems while the same performance is obtained with MD and SD for full load systems. Besides, with two receive antennas, we present a sub‐optimal and an optimal MMSE SD MIMO MC‐CDMA schemes, this last one offering a very good performance. Finally, the very good behaviour of MMSE space‐time block coding (STBC) MC‐CDMA systems is confirmed over the realistic multi element transmit receive antennas (METRA) MIMO channel. Copyright © 2004 AEI

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