Coverage area sectorization in time division multiple access/frequency-time division duplex communications systems
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United States of America Patent
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Apr 29, 2003
Grant Date -
N/A
app pub date -
Feb 2, 1999
filing date -
Feb 2, 1998
priority date (Note) -
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Abstract
Sectorization methods and apparatus provide full time and spectral coverage in wireless communications systems employing frequency-time division duplex formats. According to exemplary embodiments, a number of base stations are strategically positioned and configured using frequency-division duplex transceivers of different time-reference type so that a duplex link can be set up anywhere within the system coverage area during any available system time slot. Advantageously, the disclosed methods provide a high degree of adjacent sector interference immunity with relatively little hardware complexity.
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