Data transmission with block coding

Details Data transmission with block coding Data transmission with block coding

1984-02-27

1986-12-16

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

371 37, 370 21, H04L 2302

Patent

active

046302883

ABSTRACT:
An encoder treats a block of b bits of binary data as a number N and encodes it into eight values S1, S2 . . . S8 identifying it. The eight values are each selected from positive, negative and zero integer values; and the values are chosen so that a set of eight consists of all even integers or all odd integers and so that the sum of the eight values is 0 modulo 4. In the transmitter these values are modulated on a carrier for transmission. A receiver detects the received versions of the transmitted values, determining the number N and reconstituting the block of b bits.

REFERENCES:
patent: 3887768 (1975-06-01), Forney, Jr. et al.

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