Asynchronous data transmission over a pulse code modulation carrier

摘要: A data transmission technique utilizing asynchronous over a pulse code modulation (PCM) carrier, with variable rates sufficent redundancy to accomodate error burst. Generally, from source is accumulated in register, and transferred parallel another register packets of predetermined number bits easily handled switching standpoint. The the secd read out at intervals which are submultiple carrier. minimum three times, multiple frames, suh that burst can be tolerated. Due nature information, some will transmitted four for purpose bringing system back into synchronism, rates. In order indicate times repeated, definite pattern assigned first bit portion each packet transmitted. format these portions detected analyzed receiver, determine has been