Channel allocation in broadband orthogonal frequency-division multiple-access/space-division multiple-access networks
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United States of America Patent
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Mar 22, 2005
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N/A
app pub date -
Oct 18, 2000
filing date -
Oct 18, 2000
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Abstract
A network is described. In one embodiment, the network comprises multiple subscriber units to communicate with the base station using an orthogonal frequency-division multiple-access (OFDMA) protocol, and a base station. The base-station includes a memory unit to store broadband spatial signature vectors associated with each subscriber and traffic channel allocation logic. The vectors are a function of frequency. The traffic channel allocation logic allocates OFDMA channels using the broadband spatial signature vectors of the subscribers.
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