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Introducing `Space' into Space-Time MIMO Capacity Calculations: A New Closed Form Upper Bound
 

Summary: Introducing `Space' into Space-Time MIMO Capacity
Calculations: A New Closed Form Upper Bound
Tony S. Pollock, Thushara D. Abhayapala, and Rodney A. Kennedy
National ICT Australia
Dept. Telecomm. Engineering, BISE
The Australian National University
Canberra ACT 0200 Australia
EMail: {tony.pollock, thushara.abhayapala, rodney.kennedy}Oanu.edu.au
Abstract
We present a new upper bound on capacity for multiple-
input multiple-output (MIMO) wireless fading channels
which is more general and realistic than previous capac-
ity expressions. By including spatial information at the
antenna arrays we derive a closed formupper bound on
capacity which uses the physics of signal propagation
combined with statistics of the scattering environment.
This expressiongives the capacity of a MIMO system in
terms of antenna placement and scattering environnient
and leads to valuable insights into the factors determin-
ing capacity for a wide range of scattering models.

  

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

 

Collections: Computer Technologies and Information Sciences