Hello Researchers,
I am working on Massive MIMO detectors and would like to know whether Gauss-Seidal and Neumann Series detectors (approximate detectors) have the same diversity order as the Zero Forcing (ZF) detector? Diversity order of ZF=M-N+1 (Receivers-Transmitters + 1). Diversity order of MRC=2M. Since approximate detectors only sort of approximate the inversion process (Pseudo inverse of the channel matrix (Gram Matrix)), so is the diversity order same as the ZF detector?
I shall highly appreciate your help. Thank you!.
The first-order diversity coincides with the traditional diversity measure, while the second-order diversity is concerned with the transmit power dependent logarithmic terms that appear in the error rate expression.
I think you can have error rate expressions.
Jawad Mirza : Thank you for the answer. However, pure bit error rate expressions even for the massive MIMO based linear receivers rarely exist in the literature. Developing those expressions for approximate massive MIMO receivers is another story that requires much knowledge of Stats.
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