Performance of efficient tactical UHF-satcom waveforms: occupied bandwidth, coding gain, spectral efficiency, bit error rate, and adjacent channel interference

Author

Nezami, Mohamed K. ; Peterson, Bror

Volume

1

fYear

2002

fDate

7-10 Oct. 2002

Firstpage

152

Abstract

The purpose of this paper is to provide a detailed description and experimental and simulated performance results for some of the current Raytheon satcom high efficiency tactical waveforms, namely the dual-h quaternary continuous phase modulated (CPM) waveforms and the shaped phase shift keying (SPSK) waveforms. The emphasis is on the performance in terms of adjacent channel interference (ACI), bit error rate (BER), coding gain over conventional waveforms, and the ability of the radio to acquire these waveforms while being subjected to a Doppler frequency of ±1200 Hz. This paper first introduces the mathematical representation of the dual-h quaternary CPM waveform. Then the principle of the data demodulation including carrier and symbol timing acquisition and tracking using the MIL-STD-188-181B-specified preamble is illustrated. Finally, with the use of computer simulations, the spectral envelope and bandwidth efficiency of these efficient waveforms are compared to conventional counterparts.

Keywords

Doppler effect; adjacent channel interference; continuous phase modulation; encoding; error statistics; military communication; military standards; phase shift keying; satellite communication; synchronisation; telecommunication standards; BER; Doppler frequency; MIL-STD-188-181B-specified preamble; Raytheon satcom tactical waveforms; SPSK waveforms; adjacent channel interference; bandwidth efficiency; bit error rate; carrier timing acquisition; carrier tracking; coding gain; computer simulations; data demodulation; dual-h quaternary CPM waveform; occupied bandwidth; shaped phase shift keying; simulated performance results; spectral efficiency; spectral envelope; symbol timing acquisition; symbol timing tracking; tactical UHF-satcom waveforms; Bandwidth; Bit error rate; Computer simulation; Demodulation; Frequency; Interchannel interference; Performance gain; Phase modulation; Phase shift keying; Timing;

fLanguage

English

Publisher

ieee

Conference_Titel

MILCOM 2002. Proceedings

Print_ISBN

0-7803-7625-0

Type

conf

DOI

10.1109/MILCOM.2002.1180431

Filename

1180431