CLC number: TN914.3
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2017-11-26
Cited: 0
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Sandeep Sarowa, Harmanjeet Singh, Sunil Agrawal, B. S. Sohi. A novel energy-efficient ICI cancellation technique for bandwidth improvements through cyclic prefix reuse in an OFDM system[J]. Frontiers of Information Technology & Electronic Engineering, 2017, 18(11): 1892-1899.
@article{title="A novel energy-efficient ICI cancellation technique for bandwidth improvements through cyclic prefix reuse in an OFDM system",
author="Sandeep Sarowa, Harmanjeet Singh, Sunil Agrawal, B. S. Sohi",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="18",
number="11",
pages="1892-1899",
year="2017",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1601333"
}
%0 Journal Article
%T A novel energy-efficient ICI cancellation technique for bandwidth improvements through cyclic prefix reuse in an OFDM system
%A Sandeep Sarowa
%A Harmanjeet Singh
%A Sunil Agrawal
%A B. S. Sohi
%J Frontiers of Information Technology & Electronic Engineering
%V 18
%N 11
%P 1892-1899
%@ 2095-9184
%D 2017
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.1601333
TY - JOUR
T1 - A novel energy-efficient ICI cancellation technique for bandwidth improvements through cyclic prefix reuse in an OFDM system
A1 - Sandeep Sarowa
A1 - Harmanjeet Singh
A1 - Sunil Agrawal
A1 - B. S. Sohi
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 18
IS - 11
SP - 1892
EP - 1899
%@ 2095-9184
Y1 - 2017
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.1601333
Abstract: orthogonal frequency division multiplexing (OFDM), a very promising technique that is leading the evolution in wireless mobile communication to sideline the bandwidth scarcity issue in spectrum allocation, is severely affected by the undesirable effects of the frequency offset error, which generates inter carrier interference (ICI) due to the Doppler shift and local oscillator frequency synchronization errors. There are many ICI cancellation techniques available in the literature, such as self-cancellation (SC), maximum likelihood estimation (MLE), and windowing, but they present a tradeoff between bandwidth redundancy and system complexity. In this study, a new energy-efficient, bandwidth-effective technique is proposed to mitigate ICI through cyclic prefix (CP) reuse at the receiver end. Unlike SC and MLE where the whole OFDM symbol data is transmitted in duplicate to create redundancy at the transmitter end, the proposed technique uses the CP data (which is only 20% of the total symbol bandwidth) to estimate the channel, and it produces similar results with a huge bandwidth saving. The simulation results show that the proposed technique has a significant improvement in error performance, and a comparative analysis demonstrates the substantial improvement in energy efficiency with high bandwidth gain. Therefore, it outperforms the legacy ICI cancellation schemes under consideration.
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