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610 IEEE COMMUNICATIONS LETTERS, VOL. 11, NO. 7, JULY 2007 Compensation Decoding of Space Time Frequency Block Codes
 

Summary: 610 IEEE COMMUNICATIONS LETTERS, VOL. 11, NO. 7, JULY 2007
Compensation Decoding of Space Time Frequency Block Codes
Min Zhang, A.D.S. Jayalath, Thushara D. Abhayapala, David Smith, and Chandra Athaudage
Abstract-- A novel compensation decoding scheme for a given
space time frequency linear block code is presented, exploiting
the simplicity of zero forcing equalization, and special char-
acteristics of the precoding matrix. The proposed decoding
procedure is relatively simple and straightforward in comparison
to maximum likelihood decoding (MLD) and sphere decoding
(SD). The bit-error-rate performance of the proposed scheme is
better than zero forcing decoding and close to MLD and SD for
low to medium signal-to-noise ratio range.
Index Terms-- STF coding, MIMO-OFDM, STF decoding.
I. INTRODUCTION
WIRELESS communication system with multiple input
multiple output (MIMO) and orthogonal frequency
division multiplexing (OFDM) is an attractive candidate for
next generation wireless networks. In order to achieve full
space-time-frequency (STF) diversity of MIMO-OFDM sys-
tems, subcarrier grouping or frequency grouping [1][3] is

  

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

 

Collections: Computer Technologies and Information Sciences