Lanart Corporation

Jeffrey F Tabor

Yoseph L Linde

The invention relates to the efficient coding of packetized binary (NRZ) data, for example Ethernet packets, over a binary channel. Since Ethernet packetized data has three states (0, 1, and Idle), the theoretical bandwidth required for transmission, assuming completely random packets of arbitrary length and arbitrary interpacket idle periods, i.e. gaps, is 1.585 the data rate. The invention uses the information that both packets and gaps have predetermined minimum lengths constructs more efficient codes. In particular, a coding scheme is shown that provides in two states signal requiring a bandwidth of only 1.25 the three state signal data rate.

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Brookline, MA, United States of America

Jeffrey F Tabor