Orthogonal frequency division multiplexing (OFDM)
is the modulation technique used in many new broadband
communication schemes
including digital television, digital audio, ADSL and
wireless LANs (HIPERLAN 2, IEEE 802.11a). Due to its efficient use
of transmission bandwidth and tolerance of multipath impairments, OFDM is
also being considered for many other wireless communication systems including 4G
wireless.
For a brief introduction to OFDM and its
applications, have a look at
OFDM_talk. This
material was presented by Dr. Armstrong at a recent seminar organized by
IEEE Signal Processing Society, Victorian Chapter
in Melbourne. A very similar presentation
(OFDM_talk1)
was also given by Dr. Armstrong at Telstra Research Lab (TRL), Clayton,
Victoria.
