Data packet alignment in a communication system

Details Data packet alignment in a communication system Data packet alignment in a communication system

1991-09-27

1993-12-07

Kuntz, Curtis

Pulse or digital communications

Spread spectrum

Direct sequence

375100, 370 941, 455 511, 455 541, 455 561, 455101, 455103, H04B 706

Patent

active

052689336

ABSTRACT:
A communication system provides data packet timing alignment to facilitate soft handoff. A vocoder (315) transmits compressed voice frames to base-stations (130,131) along links (110,112) of variable length, .DELTA..sub.L. The .DELTA..sub.L translates to a delay .DELTA..sub.t in the air-frames to be transmitted by the base-stations (130,131). To compensate for the time delay .DELTA..sub.t, the communication system advances both sets of air-frames to be transmitted by base-stations (130,131) by at least .DELTA..sub.t so that skipping of frames, relative to an air-frame reference (300), during transmission does not occur.

REFERENCES:
patent: 4218654 (1980-08-01), Ogawa et al.
patent: 4654867 (1987-03-01), Labedz et al.
patent: 4696051 (1987-09-01), Breeden
patent: 5014344 (1991-05-01), Goldberg
patent: 5103459 (1992-04-01), Gilhousen et al.

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