Direct synthesis of UWB-WiMedia signal generation

摘要

As new applications utilizing wireless transmission and digital RF systems proliferate, engineers need better ways to create intricate RF signal behaviors and interactions. This paper discusses the challenge; to generate frequency hopping Ultra-Wide Band (UWB) signals and the various options that RF design engineers have while creating UWB-WiMedia signals by use of an Arbitrary Waveform Generator (AWG). Although UWB promises high data rates it also involves high complexity to create these signals in the lab and to preserve the signal integrity. Three options that are discussed are IQ base band signal generation, IF signal generation and direct RF synthesis generation techniques. This article focuses on the test and measurement needs for direct generation of WiMedia based UWB signals. It discusses the different architectural possibilities for generation of wideband frequency hopped signals.