Blind beamforming for DS-CDMA systems

Document typeConference report
Defense date1999
PublisherServicio de Publicaciones Universidad de Vigo
Rights accessOpen Access
Abstract
Code Division Multiple Access (CDMA) has been proposed
as an efficient access method for cellular and personal
communication systems outperforming the classical
FDMA and TDMA techniques. But, in contrast to
them, CDMA systems are interference limited, being
the interferences mainly the other users.
A variety of methods have been proposed to combat
this multi-access interference (MAI), such as the
correlation detector, the maximum likelihood detector,
linear detectors, subtractive interference cancellation
detectors.
However, spatial diversity can be combined with the
existing methods to further increase the reduction of
the interference. Many efforts have been spent in this
direction during the last years.
In this paper, a novel blind beamforming algorithm
based on the introduction of an explicit redundancy
structure within the spreading codes is described.
CitationPérez, D., Lagunas, M. Blind beamforming for DS-CDMA systems. A: Baiona Workshop on Emerging Technologies in Telecommunications. "Fifth Baiona Workshop on Emerging Technologies in Telecommunications: based on the proceedings of a conference organized by the University of Vigo, held at Baiona in September 1999". Baiona: Servicio de Publicaciones Universidad de Vigo, 1999, p. 83-87.
ISBN8-4815-8129-1
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