Telecommunications – Transmitter – Diversity
Reexamination Certificate
2007-07-24
2007-07-24
Vu, Huy D. (Department: 2616)
Telecommunications
Transmitter
Diversity
C455S132000, C455S272000
Reexamination Certificate
active
09878789
ABSTRACT:
Exploiting the substantive reciprocity of internode channel responses through dynamic, adaptive modification of receive and transmit weights, enables locally enabled global optimization of a multipoint, wireless electromagnetic communications network of communication nodes. Each diversity-channel-capable node uses computationally efficient exploitation of pilot tone data and diversity-adaptive signal processing of the weightings and the signal to further convey optimization and channel information which promote local and thereby network-global efficiency. The preferred embodiment performs complex digital signal manipulation that includes a linear combining and linear distribution of the transmit and receive weights, the generation of piloting signals containing origination and destination node information, as well as interference-avoiding pseudorandom delay timing, and both symbol and multitone encoding, to gain the benefit of substantive orthogonality at the physical level without requiring actual substantive orthogonality at the physical level.
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Agee Brian G.
Bromberg Matthew C.
Cole, Esq. George S.
Vu Huy D.
Wong Blanche
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