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SPATIAL CHARACTERIZATION OF MULTIPLE ANTENNA CHANNELS
 

Summary: Chapter 12
SPATIAL CHARACTERIZATION OF
MULTIPLE ANTENNA CHANNELS
Tony S. Pollock, Thushara D. Abhayapala, and Rodney A. Kennedy
Wireless Signal Processing Program, National ICT Australia, and Department of Telecom-
munications Engineering, RSISE, The Australian National University, Locked Bag 8001,
Canberra ACT 2601, Australia.
(tony.pollock, thushara.abhayapala, rodney.kennedy)@nicta.com.au
Abstract In this chapter we present a realistic new model for wireless multiple-
input multiple-output (MIMO) channels which is more general than pre-
vious models. A novel spatial decomposition of the channel is developed
to provide insights into the spatial aspects of multiple antenna communi-
cation systems. By exploiting the underlying physics of free-space wave
propagation we characterize the fundamental communication modes of
a physical aperture and develop an intrinsic capacity which is indepen-
dent of antenna array geometries and array signal processing. We show
there exists a maximum achievable capacity for communication between
spatial regions of space, which depends on the size of the regions and
the statistics of the scattering environment.
Keywords: multiple antennas, capacity, antenna arrays, MIMO, channel modelling

  

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

 

Collections: Computer Technologies and Information Sciences