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JCM
2007
114views more  JCM 2007»
8 years 11 months ago
Tunable Pulse Amplitude and Position Modulation Technique for Reliable Optical Wireless Communication Channels
—Modulation techniques have attracted increasing attention in optical wireless communications. Basic schemes such as on off keying (OOK), pulse amplitude modulation (PAM) and pul...
Yu Zeng, Roger J. Green, Shaobo Sun, Mark S. Leeso...
JSAC
2006
94views more  JSAC 2006»
8 years 11 months ago
Multiuser transmitted reference ultra-wideband communication systems
Abstract--A conventional transmitted reference (TR) modulation scheme is an effective means to combat severe multipath distortion in an ultra-wideband (UWB) system, significantly r...
Zhengyuan Xu, Brian M. Sadler
JCNS
2008
55views more  JCNS 2008»
8 years 11 months ago
From stimulus estimation to combination sensitivity: encoding and processing of amplitude and timing information in parallel, co
Information theoretical approaches to sensory processing in electric fish have focused on the encoding of amplitude modulations in a single sensory pathway in the South American gy...
Bruce A. Carlson, Masashi Kawasaki
CORR
2007
Springer
93views Education» more  CORR 2007»
8 years 11 months ago
Performance Analysis for Multichannel Reception of OOFSK Signaling
— 1 In this paper, the error performance of onoff frequency shift keying (OOFSK) modulation over fading channels is analyzed when the receiver is equipped with multiple antennas....
Qingyun Wang, Mustafa Cenk Gursoy
CORR
2008
Springer
120views Education» more  CORR 2008»
8 years 11 months ago
Codeword-Independent Performance of Nonbinary Linear Codes Under Linear-Programming and Sum-Product Decoding
A coded modulation system is considered in which nonbinary coded symbols are mapped directly to nonbinary modulation signals. It is proved that if the modulator-channel combination...
Mark F. Flanagan
ICASSP
2010
IEEE
8 years 11 months ago
Green modulation in dense Wireless Sensor Networks
Due to unique characteristics of sensor nodes, choosing an energyefficient modulation scheme with low-complexity implementation (refereed to as green modulation) is a critical fa...
Jamshid Abouei, Konstantinos N. Plataniotis, Subba...
SSWMC
2004
9 years 14 days ago
Hiding correlation-based watermark templates using secret modulation
A possible solution to the difficult problem of geometrical distortion of watermarked images in a blind watermarking scenario is to use a template grid in the autocorrelation func...
Jeroen Lichtenauer, Iwan Setyawan, Reginald L. Lag...
PPSN
1992
Springer
9 years 3 months ago
Hyperplane Annealing and Activator-Inhibitor-Systems
This paper introduces a new optimization technique called hyperplane annealing. It is similar to the mean field annealing approach to combinatorial optimization. Both annealing te...
Thomas Laußermair
ISCAS
2002
IEEE
82views Hardware» more  ISCAS 2002»
9 years 4 months ago
Delta-sigma algorithmic analog-to-digital conversion
Delta-sigma modulation for analog-to-digital conversion resolves a number of bits logarithmic in the number of modulation cycles, and linear in modulation order. As an alternative...
G. Mulliken, Farhan Adil, Gert Cauwenberghs, Roman...
ISCAS
2003
IEEE
84views Hardware» more  ISCAS 2003»
9 years 4 months ago
A sigma-delta based open-loop frequency modulator
A constant-envelope, continuous phase modulation architecture is presented in which a sigma-delta modulator is combined with an open-loop modulator. Compared to existing architect...
Denis Daly, Anthony Chan Carusone
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