Multiplex communications – Duplex – Communication over free space
Reexamination Certificate
2007-01-23
2007-01-23
Rao, Seema S. (Department: 2616)
Multiplex communications
Duplex
Communication over free space
C370S345000, C370S501000, C455S013300, C455S517000
Reexamination Certificate
active
09773418
ABSTRACT:
In a radio communication system comprising a plurality of stations (100a,100b,100c) operating in a peer-to-peer mode, each station stores information relating to the transmission parameters of other stations. Such information may include the frequency offset and received signal strength of signals from the other stations. One station acts as central controller and allocates time slots for transmission from a first station (100a) to a second station (100b). Before the first station (100a) receives a signal from the second station (100b) it makes initial adjustments to its receiver circuitry depending on the stored information about previous signals received from that station (100b). This simplifies the task of adjusting the receiver circuitry during the preamble of the signal transmitted by the second station (100b).
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Eidson, J.C. et al., “Sharing a Common Sense of Time,” IEEE Instrumentation & Measurement Magazine, Mar. 2003, vol. 6, iss 1, pp. 26-32.
Caldwell Richard J.
Evans David H.
Fifield Robert
Koninklijke Philips Electronics , N.V.
Mills Donald L
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