Referenced Items are not available for this document.
The Global System for Mobile communications (GSM) is a digital cellular radio network that employs time division multiple access (TDMA). In such a cellular system, frequencies are reused in different regions for spectral efficiency, and thus, the transmissions in a given cell can interfere with those in distant cells. This cochannel interference can be a major impairment to the signal of interest. In this paper, we describe a beamformer and equalizer system that is capable of separating and demodulating several cochannel GSM signals. The signal model includes intersymbol interference (ISI) induced by the Gaussian transmit filter, and the channel model incorporates multipath propagation and additive white Gaussian noise. The GSM synchronization sequences are used to compute the beamformer weights and achieve frame synchronization simultaneously. Decision-feedback equalization is employed to compensate for the transmit filter ISI and to demodulate the data
Published in:
Signal Processing, IEEE Transactions on
(Volume:47
,
Issue:
7
)
Date of Publication: Jul 1999
- Page(s):
- 1977 - 1987
- ISSN :
- 1053-587X
- INSPEC Accession Number:
- 6292860
- Digital Object Identifier :
- 10.1109/78.771046
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Jul 1999
- Sponsored by :
- IEEE Signal Processing Society
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