Paper Info
Title
Analysis Of Detection Performance Of Modified Periodogram Over Fading Channels
Abstract
In this article, we investigate the performance of classical and modified periodogram based on the Neyman-Pearson (NP) criterion in terms of the false alarm and detection probabilities. We derive analytical expressions that allow us to compare the performance of the classical periodogram with the Bartlett's and the Welch's modified periodogram over generalized fading channels. Our analytical framework also captures the effect zero padding (more FFT points than the length of input sequence) on the detection performance. We show that an unpadded classical periodogram gives the same detection performance as the time domain (TD) equivalent. However, the use of zero padding leads to better energy detection performance. The Welch's overlapping periodogram averages is also shown to outperform Bartlett's method (non-overlapping periodogram). Thus we conclude that, it is advantageous to implement the energy detection in the frequency domain (FD) than in the TD. Numerical results have been generated for several representative cases and a careful review of previous works reveals that this is a new contribution to the performance analysis of modified periodogram over fading channels.
Year
DOI
Venue
2012
10.1109/CCNC.2012.6181032
2012 IEEE CONSUMER COMMUNICATIONS AND NETWORKING CONFERENCE (CCNC)
Keywords
Field
DocType
Welch's and Bartlett's Periodograms, Generalized Marcum Q-Function, Receiver Operating Characteristics, Modified Periodograms
Frequency domain,Time domain,False alarm,Fading,Computer science,Bartlett's method,Algorithm,Welch's method,Speech recognition,Fast Fourier transform,Time–frequency analysis,Distributed computing
Conference
ISSN
Citations 
PageRank 
2331-9852
1
0.38
References 
Authors
0
2
Name
Order
Citations
PageRank
Oluwatobi Olabiyi15511.20
Annamalai Annamalai228841.69