http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Performance of OFDM and wavelet-packet based multicarrier communication
xiii, 91 leaves : illustrations ; 28 cm.
- OFDM multicarrier communication and wavelet-packet based
both in frequency-domain and in time-domain but their
channel occurs. OFDM multicarrier communication has densely
communication is the principle of transmitting data by divid
discrimination at the receiving end is guaranteed due to the
ensured even though sub-carrier spectra may overlap. OFDM
ing the stream into several parallel bit streams, each of
models of the two forms are proposed, analytical
multicarrier communication are presented. Multicarrier
multicarrier communication employs wavelet-packets to be the
of individual sub-carriers. Wavelet-packet based
orthogonality if rapid time-variations frequency error of the
orthogonality of the wavelets-packet functions. The system
probabilities of error with frequency dispersion and AWGN are
pulse-shaping filters for sub-channels. The spectra overlap
robust against time domain impulse interference due to long
spaced sub-carriers and overlapping spectra. Its time-domain
steep bandpass filters that completely separate the spectrum
streams to modulate several carriers. It tends to be more
symbol time. However, the sub-carriers may lose their mutual
The multicarrier communication is studied. Two special forms
the results of simulation are presented.
waveforms are chosen such that mutual orthogonality is
which has a much lower bit rate, and by using these sub-
with raised cosine filter multicarrier communication use
"Major subject: Electrical Engineering".
Issued also on microfiche from Lange Micrographics.
Includes bibliographical references: pages 77-80.