Method and system for clustered wireless networks
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United States of America Patent
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Aug 31, 2004
Grant Date -
N/A
app pub date -
Apr 5, 2001
filing date -
Apr 5, 2001
priority date (Note) -
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Abstract
A system and method for wireless broadband transmission in a scattering environment using a network of coherent repeaters. In one embodiment, the system comprises a number of groups of nodes. The nodes in a group are capable of broadcasting to each other and of beamforming to another group of nodes. A basestation broadcasts a number of signals at the same frequency and time. Each signal comprises a desired signal and multiple interference signals. The signals arrive at the nodes as co-channel interferers. The nodes are able to distinguish between the signals sent from each antenna of the basestation. Each of the nodes is further operable to transmit a repeated signal to a destination node such that the repeated signals collectively cancel out co-channel interference at the destination node. Therefore, the destination node receives a signal substantially free of co-channel interference.
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