DocumentCode :
717925
Title :
Universal Receiver for Weighted Circularly Convolved OFDM/OQAM
Author :
Abdoli, Javad ; Ming Jia ; Jianglei Ma
Author_Institution :
Huawei Technol. Canada Co. Ltd., Ottawa, ON, Canada
fYear :
2015
fDate :
11-14 May 2015
Firstpage :
1
Lastpage :
5
Abstract :
The weighted circularly convolved OFDM/OQAM (WCC-OFDM/OQAM), a variant of OFDM/OQAM without time-domain tail overhead, is investigated in a doubly dispersive fading environment. A new receiver is proposed that resolves the self-interference present at a regular WCC-OFDM/OQAM receiver when the channel variations are too fast compared to the signal burst duration. This is achieved by exploiting the channel state information (CSI) available at the receiver to compensate for the channel discontinuity that appears in the receiver´s circular operations. The proposed receiver is universal in two regards: first, it performs equally well for a wide range of speeds and modulation and coding schemes (MCSs), and second, it does not require any change to the WCC-OFDM/OQAM signal structure, and thus, is transparent to the transmitter.
Keywords :
OFDM modulation; convolution; fading channels; interference (signal); quadrature amplitude modulation; radio receivers; CSI; MCS; WCC-OFDM-OQAM receiver; channel discontinuity; channel state information; channel variations; coding schemes; doubly dispersive fading environment; modulation schemes; self-interference; signal burst duration; weighted circularly convolved OFDM-OQAM; Channel estimation; Demodulation; Fading; OFDM; Receivers; Shape; Time-frequency analysis;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Vehicular Technology Conference (VTC Spring), 2015 IEEE 81st
Conference_Location :
Glasgow
Type :
conf
DOI :
10.1109/VTCSpring.2015.7146145
Filename :
7146145
Link To Document :
بازگشت