Bandwidth Efficient Multiple-Access
Communications
M. K. Varanasi and T. Guess, Proc. IEEE Intl Conf. Personal Wireless Communications
(ICPWC'97), Mumbai (Bombay), India, December 1997
The new Bandwidth Efficient Multiple Access (BEMA) scheme is introduced. It offers a
higher spectral efficiency than dynamic Time Division Multiple-Access. This idea must be
understood from the viewpoint that BEMA results from optimizing over a class of Correlated
Waveform Multiple Access (CWMA) strategies that includes TDMA as a special case. At the
heart of this new BEMA technique are signal processing algorithms that realize the
functions of multiuser equalization and signal design, and which are developed by taking a
new and combined approach to those two problems.
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