A simple transmit diversity technique for wireless communications
Alamouti, S.M.
AT&T Wireless Services, Redmond, WA;
This paper appears in: Selected Areas in Communications, IEEE Journal on
Publication Date: Oct 1998
Volume: 16,
Issue: 8
On page(s): 1451-1458
ISSN: 0733-8716
References Cited: 9
CODEN: ISACEM
INSPEC Accession Number: 6098420
Digital Object Identifier: 10.1109/49.730453
Current Version Published: 2002-08-06
Abstract
This paper presents a simple two-branch transmit 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 M
receive antennas to provide a diversity order of 2M. The new scheme does
not require any bandwidth expansion or any feedback from the receiver to
the transmitter and its computation complexity is similar to MRRC
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