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IEEE JOURNAL ON SELECT AREAS IN COMMUNICATIONS, VOL. 16, NO. 8, OCTOBER 1998 1451 A Simple Transmit Diversity Technique
 

Summary: IEEE JOURNAL ON SELECT AREAS IN COMMUNICATIONS, VOL. 16, NO. 8, OCTOBER 1998 1451
A Simple Transmit Diversity Technique
for Wireless Communications
Siavash M. Alamouti
Abstract-- This paper presents a simple two-branch trans-
mit diversity scheme. Using two transmit antennas and one
receive antenna the scheme provides the same diversity order
as maximal-ratio receiver combining (MRRC) with one transmit
antenna, and two receive antennas. It is also shown that the
scheme may easily be generalized to two transmit antennas and
MMM receive antennas to provide a diversity order of 2MMM. The
new scheme does not require any bandwidth expansion any
feedback from the receiver to the transmitter and its computation
complexity is similar to MRRC.
Index Terms--Antenna array processing, baseband processing,
diversity, estimation and detection, fade mitigation, maximal-
ratio combining, Rayleigh fading, smart antennas, space block
coding, space­time coding, transmit diversity, wireless commu-
nications.
I. INTRODUCTION

  

Source: Alajaji, Fady - Department of Mathematics and Statistics, Queen's University (Kingston)

 

Collections: Engineering