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TCOM
2010
147views more  TCOM 2010»
13 years 2 months ago
On a Ratio of Functions of Exponential Random Variables and Some Applications
Consider independent and identically distributed exponential random variables (r.vs) 1, 2, . . . , and positive scalars 1, 2, . . . , . In this letter, we present the probability...
Ramesh Annavajjala, Ananthanarayanan Chockalingam,...
TASLP
2008
106views more  TASLP 2008»
13 years 7 months ago
Multipitch Analysis of Polyphonic Music and Speech Signals Using an Auditory Model
A method is described for estimating the fundamental frequencies of several concurrent sounds in polyphonic music and multiple-speaker speech signals. The method consists of a comp...
Anssi Klapuri
JSAC
2008
128views more  JSAC 2008»
13 years 7 months ago
Iterative frequency domain channel estimation for dft-precoded ofdm systems using in-band pilots
We consider two techniques of in-band frequency domain multiplexed (FDM) pilots using interleaved frequency domain multiple access (IFDMA) signal with a Chu sequence for DFT-precod...
Chan-Tong Lam, David D. Falconer, Florence Danilo-...
ICC
2009
IEEE
14 years 2 months ago
Rethinking MIMO for Wireless Networks: Linear Throughput Increases with Multiple Receive Antennas
— The benefit of multiple antenna communication is investigated in wireless ad hoc networks, and the primary finding is that throughput can be made to scale linearly with the n...
Nihar Jindal, Jeffrey G. Andrews, Steven Weber
ICA
2010
Springer
13 years 5 months ago
Using Non-Negative Matrix Factorization for Removing Show-Through
Scanning process usually degrades digital documents due to the contents of the backside of the scanned manuscript. This is often because of the show-through effect, i.e. the backsi...
Farnood Merrikh-Bayat, Massoud Babaie-Zadeh, Chris...