Signal modulation is one of the most basic and important concepts in the RF industry. It consists of using the variation of one or more parameters of a carrier signal to transmit information, ...

There are two other standards that the latest commercial modems require: V.42bis for data compression and V.42 for error correction. A typical commercial modem ...

I was chatting recently with marketing people from Qualcomm (which is an Endpoint client) about modem goodness. I was trying to get them to convince me that it matters. They had been rattling on about ...