Technical background in at least one of the following areas: detection and estimation theory; waveform design, modulation theory, error control coding, information theory; stochastic processes, propagation, channel estimation and equalization; receiver design, interference cancellation, algorithm development; system performance analysis, RF laboratory testing. Support communications systems development and analysis by designing and analyzing components such as synchronization, forward error correction (LDPC, Turbo, convolutional codes), spread spectrum, medium access control, channel equalization, and interference cancellation.