DocumentCode
2429429
Title
On the design of frequency-domain equalizers for OQPSK modulations
Author
Dinis, Rui ; Luzio, Miguel ; Montezuma, Paulo
Author_Institution
Inst. de Telecomun., Lisbon, Portugal
fYear
2010
fDate
12-14 April 2010
Firstpage
1
Lastpage
5
Abstract
This paper considers frequency-domain receiver design for OQPSK signals (Offset Quaternary Phase Shift Keying). It is shown that conventional QPSK receivers are not suitable to OQPSK schemes since they lead to significant interference between in-phase (I) and quadrature (Q) components. To overcome this problem we propose several linear receivers where there is no I-Q interference. Our receivers are suitable to OQPSK schemes, significantly outperforming frequency-domain receivers designed for QPSK modulations.
Keywords
quadrature phase shift keying; I-Q interference; OQPSK modulations; frequency-domain equalizers; linear receivers; offset quaternary phase shift keying; Equalizers; Fluctuations; Interference; OFDM modulation; Phase modulation; Phase shift keying; Power amplifiers; Quadrature phase shift keying; Signal design; Telecommunications;
fLanguage
English
Publisher
ieee
Conference_Titel
Sarnoff Symposium, 2010 IEEE
Conference_Location
Princeton, NJ
Print_ISBN
978-1-4244-5592-8
Type
conf
DOI
10.1109/SARNOF.2010.5469761
Filename
5469761
Link To Document