By Topic

Higher order modulation and the efficient sampling algorithm for time variant signal

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Jian-Jiun Ding ; Department of Electrical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., 10617, Taipei, Taiwan ; Soo Chang Pei ; Ting Yu Ko

From the sampling theory, if the bandwidth of a signal is small, then the sampling interval can be very large. In this paper, a higher order modulation scheme is proposed to minimize the bandwidth of a signal. Then, combining the proposed high order modulation with the fractional Fourier transform and time-frequency analysis, a new sampling algorithm is presented. The proposed sampling algorithm can minimize the area of a signal in the time-frequency domain and much reduce the number of sampling points. Simulation results show that, when using the proposed sampling algorithm, the amount of data required for recording a signal can be much less. The proposed sampling algorithm is especially efficient for sampling a time variant signal, such as the voice of an animal and the speech signal.

Published in:

Signal Processing Conference (EUSIPCO), 2012 Proceedings of the 20th European

Date of Conference:

27-31 Aug. 2012