DocumentCode :
3045215
Title :
Robust pulse amplitude modulation via semidefinite programming
Author :
Davidson, Timothy N. ; Luo, Zhi-Quan ; Wong, K. Max
Author_Institution :
Commun. Res. Lab., McMaster Univ., Hamilton, Ont., Canada
fYear :
1999
fDate :
1999
Firstpage :
317
Lastpage :
320
Abstract :
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
Keywords :
code division multiple access; convex programming; digital radio; filtering theory; pulse amplitude modulation; pulse shaping circuits; signal synthesis; timing; CDMA mobile telephony; IS95 standard; chip waveform; code division multiple access; convex semidefinite programme; digital communications; efficient interior point methods; globally optimal solution; maximum timing error robustness; pulse shaping filter design; robust pulse amplitude modulation; spectral mask constraint; transmitted signal; waveform design; Amplitude modulation; Autocorrelation; Digital signal processing; Finite impulse response filter; Multiaccess communication; Pulse modulation; Robustness; Signal design; Telephony; Timing;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Signal Processing Advances in Wireless Communications, 1999. SPAWC '99. 1999 2nd IEEE Workshop on
Conference_Location :
Annapolis, MD
Print_ISBN :
0-7803-5599-7
Type :
conf
DOI :
10.1109/SPAWC.1999.783082
Filename :
783082
Link To Document :
بازگشت