Robust pulse amplitude modulation via semidefinite programming

The design of the waveform for a pulse amplitude modulation scheme is formulated as a convex semidefinite programme (SDP), from which a globally optimal solution can be found using highly efficient interior point methods. The SDP is used to design a waveform which provides maximal robustness to timi...

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Bibliographic Details
Published in1999 2nd IEEE Signal Processing Workshop on Signal Processing Advances in Wireless Communications pp. 317 - 320
Main Authors Davidson, T.N., Zhi-Quan Luo, Wong, K.M.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1999
Subjects
Amplitude modulation
Autocorrelation
Digital signal processing
Finite impulse response filter
Multiaccess communication
Pulse modulation
Robustness
Signal design
Telephony
Timing
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Summary:The design of the waveform for a pulse amplitude modulation scheme is formulated as a convex semidefinite programme (SDP), from which a globally optimal solution can be found using highly efficient interior point methods. The SDP is used to design a waveform which provides maximal robustness to timing error subject to a constraint on its duration and a relative spectral mask constraint on the transmitted signal. As an example we design a waveform with substantially improved performance over the 'chip' waveform in the IS95 standard for code division multiple access mobile telephony.
ISBN:0780355997
9780780355996
DOI:10.1109/SPAWC.1999.783082