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Exact pairwise error probability analysis of space-time codes in spatially
 

Summary: Paper
Exact pairwise error probability
analysis of space-time codes in spatially
correlated fading channels
Tharaka A. Lamahewa, Marvin K. Simon, Thushara D. Abhayapala, and Rodney A. Kennedy
Abstract--In this paper, we derive an analytical expression
for the exact pairwise error probability (PEP) of a space-time
coded system operating over a spatially correlated slow fading
channel using a moment-generating function-based approach.
This analytical PEP expression is more realistic than previ-
ously published exact-PEP expressions as it fully accounts for
antenna spacing, antenna geometries (uniform linear array,
uniform grid array, uniform circular array, etc.) and scatter-
ing models (uniform, Gaussian, Laplacian, Von-Mises, etc.).
Inclusion of spatial information provides valuable insights into
the physical factors determining the performance of a space-
time code. We demonstrate the strength of our new analytical
PEP expression by evaluating the performance of two space-
time trellis codes proposed in the literature for different spatial
scenarios.

  

Source: Abhayapala, Thushara D. - Department of Information Engineering, Australian National University

 

Collections: Computer Technologies and Information Sciences