Cellular channel allocation scheme with multi-user detection
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United States of America Patent
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Oct 19, 2010
Grant Date -
Feb 17, 2005
app pub date -
Dec 14, 2001
filing date -
Dec 19, 2000
priority date (Note) -
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Abstract
In a spectrum allocation method in a cellular communication system, a cell pattern is divided into clusters each containing a plurality of adjacent cells. A pool of forward and return link bearers is allocated to each cluster and may be shared among cells within the cluster. Bearers are reused between blusters having a sufficiently high mutual isolation. Preferably, the same time slot in a return link bearer is allocated to multiple users within the cluster. The receiver of the shared return link bearer uses multi-user detection techniques to separately decode the signals from each user sharing a time slot, using the spatial diversity of the individual cells.
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