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Detection for Underdetermined MIMO Systems

  • Lin BaiEmail author
  • Jinho Choi
Chapter

Abstract

In MIMO systems, the channel matrix is called fat, square, or tall matrix if the number of transmit antennas M is greater than, equal to, or smaller than the number of receive antennas N. According to [1], the MIMO channel capacity can be approximated as
$$\begin{array}{rcl}{ C}_{\mathrm{MIMO}} \simeq \min (M,N){C}_{\mathrm{SISO}},& &\end{array}$$
(6.1)
where CSISO denotes the channel capacity of SISO channels. Thus, with regard to capacity, we may prefer a square channel matrix (i.e., M = N), where different detection methods for such MIMO systems have been well- discussed in previous chapters of the book.

Keywords

Error Probability MIMO System Channel Matrix MIMO Channel Antenna Selection 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer Science+Business Media, LLC  2012

Authors and Affiliations

  1. 1.School of Electronic and Information EngineeringBeihang UniversityBeijingPeople’s Republic of China
  2. 2.School of EngineeringSwansea UniversitySwanseaUK

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