Telecommunications systems

Details Telecommunications systems Telecommunications systems

1993-11-12

1995-08-22

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370103, 375206, 375358, H04B 7212

Patent

active

054447100

ABSTRACT:
A method for marshalling an additional outstation (3) of a time division multiple access (TDMA) telecommunication system including a basestation (4) and a plurality of outstations (1,2), such as a passive optical network (PON). A sequence is transmitted from the additional outstation (3) to the basestation (4) at a level below the noise sensitivity of a receiver (49) of the basestation (4), detected at the base station and its phase determined by a correlation process. From the phase the loop delay to the additional outstation is determined and the outstation instructed to realign its transmission accordingly. The sequence is a short length sequence and the correlation can be performed by a binary division search method or a lowest common multiple method (FIG. 1).

REFERENCES:
patent: 4642806 (1987-02-01), Hewitt et al.
patent: 4653049 (1987-03-01), Shinmyo
patent: 4774708 (1988-09-01), Hotta
patent: 5267264 (1993-11-01), Shlenker et al.

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