System for multi-frame alignment

Details System for multi-frame alignment System for multi-frame alignment

2011-01-18

2011-01-18

Harper, Kevin C (Department: 2462)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S343000, C370S465000, C370S480000

Reexamination Certificate

active

07872985

ABSTRACT:
A bidirectional communication system is provided. In one embodiment, a system comprises a host and a plurality of remote units, wherein a plurality of tones is shared among the plurality of remote units in order to communicate with the host using orthogonal frequency division multiplexing, wherein the plurality of tones is shared in a manner that permits at least two of the remote units to transmit to the host at any one time using the plurality of tones. The host causes at least one remote unit to adjust a timing of symbols transmitted on at least one of the plurality of orthogonal tones in order to improve an alignment of multiframes received at the host.

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