Method and device for transferring data frames within a serial s

Details Method and device for transferring data frames within a serial s Method and device for transferring data frames within a serial s

1998-11-18

2000-05-09

Maung, Zarni

Electrical computers and digital processing systems: processing

Processing control

Processing control for data transfer

712220, 709231, 709233, 709236, 709248, H04J 302, H04J 306, H04J 316

Patent

active

060617845

ABSTRACT:
A method of transferring payload, control and messaging data in a communications system, in a serial data stream at a pre-set bit rate per second is disclosed. The method comprises, transferring a chosen integer number of frames of serial data per second. Each frame a number of timeslots of data. Each timeslot comprises a predetermined number of first bits comprising payload related data or messaging bits and a calculated number of second bits comprising control bits. The calculated number is calculated so that the sum of the predetermined number and the calculated number multiplied by the number of timeslots and the chosen integer number equals the number of bits transferred in one second at the pre-set bit rate. Preferably, bits from the second bits at fixed intervals within the serial data stream comprise a out-of-band communications channel with the stream. Preferably, the pre-set bit rate is synchronized to the clock of a host communications system. A communications system employing the method is further disclosed.

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Douskalis W.: "A Number Theoretic Approach to Time Division Multiplexing" IEEE Transactions on Communications, vol. 38, No. 9, Sep./1990.

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