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IEICE TRANSACTIONS on Fundamentals

Channel Scaling-Based Transmit Antenna Selection for 2-Dimensional Rake Combining Spatial Multiplexing UWB MIMO Systems

Sangchoon KIM

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Summary :

In this letter, a fast transmit antenna selection algorithm is proposed for the spatial-temporal combining-based spatial multiplexing ultra-wideband systems on a log-normal multipath fading channel. The presented suboptimum algorithm selects the transmit antennas associated with the largest signal to noise ratio value computed by one QR decomposition operation of the full channel matrix spatially and temporally combined. It performs the iterative channel scaling operation about the channel matrix and singular value decomposition about the channel scaled matrix. It is shown that the proposed antenna selection algorithm leads to a substantial improvement in the error performance while keeping low-complexity, and obtains almost the same error performance as the exhaustive search-based optimal antenna selection algorithm.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.10 pp.2061-2065
Publication Date
2013/10/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E96.A.2061
Type of Manuscript
LETTER
Category
Communication Theory and Signals

Authors

Sangchoon KIM
  Dong-A University

Keyword