Hybrid intra-cell TDMA/inter-cell CDMA for wireless networks
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United States of America Patent
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Jan 2, 1996
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N/A
app pub date -
May 12, 1994
filing date -
May 12, 1994
priority date (Note) -
Expired
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Abstract
In a cellular network, a multiple-access methodology and concomitant circuitry in which TDMA is used inside each cell and CDMA signals, having pulse shapes with low cross-correlations, are assigned to adjacent cells. For example, these pulses could be Direct-Sequence Spread-Spectrum pulses. Such a hybrid system combines the high intra-cell capacity of TDMA with the inter-cell and multipath interference rejection capabilities of CDMA.
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