Point to multipoint radio access system
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United States of America Patent
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Nov 17, 1998
Grant Date -
N/A
app pub date -
Jan 29, 1997
filing date -
Jan 29, 1997
priority date (Note) -
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Abstract
A robust and frequency-economic point to multipoint radio access microwave system combines the use of only two frequency bands and alternating polarizations. Base station antennae feeding adjacent sectors from a common base station site operate at least with different ones of two sets of channels. Moreover, sectors at adjacent base station sites (e.g., in adjacent cells) which are aligned with the sectors of the first base station site employ either a different set of channels or differing polarization. The two sets of channels can be two sets of frequencies (e.g., FDMA).
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