V.42bis | Article about V.42bis by The Free Dictionary
V.42bis (communications, standard)
An extension of the ITU-T V.42
standard modem protocol
to included compression
Lempel-Ziv related technique, which detects frequently
occurring character strings and replaces them with tokens.
This is similar to the Unix compress
for text is 50% or better; with nearly 20% gain
conversion this gives reduces transmission
time by almost 60%.
V.42bisAn ITU standard (1989) for analog modem data compression. It uses the BTLZ technique to achieve up to a 4:1 ratio. V.42bis implies the V.42 error checking protocol.
References in periodicals archive
44 data compression capability, which typically improves data compression by some 20% to 60% over the V.
44 technique typically improves data compression between 20 and 60 percent beyond the existing V.
From these earlier decisions, the district court has found in favor of Conexant, dismissing all claims by Holtz and Omni Dimensional Networks for patent infringement of v.
Higher throughput can be achieved (200 kbps to 300 kbps) by ITU-T V.
34bis, and lower data modulations, complete with MNP5 and V.
Nasdaq:CNXT) Monday announced that it has won the alleged v.
Supporting even the most sophisticated high speed data communication needs, the modem operates at up to 56 Kbps, and combines MNP5 and V.
Supporting even the most sophisticated high speed data communication needs, the modems operate at up to 56 Kbps, and combine MNP5 and V.