Search Results - "Asano, David K."
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A Serial Unequal Error Protection Code System Using Multilevel Trellis Coded Modulation with Ring-type Signal Constellations for AWGN Channels
Published in IEEJ transactions on electrical and electronic engineering (01-11-2010)“…We propose a serial unequal error protection (UEP) code system for use with information sources that contain a mixture of both important and less important…”
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Journal Article -
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Field Experiments of an OFDMA/TDD System for Mobile WiMAX
Published in IEEJ transactions on electrical and electronic engineering (01-07-2010)“…Mobile worldwide interoperability for microwave access (WiMAX) is a technology that has received much attention for next‐generation mobile broadband systems…”
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Journal Article -
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The acoustics of Japanese wooden drums called mokugyo
Published in The Journal of the Acoustical Society of America (01-04-2005)“…A drumlike traditional Japanese instrument, the mokugyo, is experimentally discussed. First, the acoustic characteristics of 176 mokugyos with diameters…”
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Journal Article -
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Realization of a Safe and Secure Society using ICT in Shiojiri-City, Nagano Prefecture, Japan
Published in 2015 2nd International Conference on Information and Communication Technologies for Disaster Management (ICT-DM) (01-11-2015)“…For some time, we have been working toward the "Realization of a Safe and Secure Society using ICT in Shiojiri-City, Nagano Prefecture." This is a project…”
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Conference Proceeding -
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Acoustic characteristics of an electrodynamic planar digital loudspeaker using noise shaping technology
Published in The Journal of the Acoustical Society of America (01-06-2005)“…The present study extends our previous work [Furihata et al., J. Acoust. Soc. Am. 114, 174-184 (2003)] by investigating our electrodynamic planar loudspeaker…”
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Acoustic characteristics of an electrodynamic planar digital loudspeaker
Published in The Journal of the Acoustical Society of America (01-07-2003)“…In this paper, an electrodynamic planar loudspeaker driven by a digital signal is experimentally discussed. The digital loudspeaker consists of 22 voice coils,…”
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Optimization of coded GMSK systems
Published in IEEE transactions on information theory (01-10-2002)“…In this article, block and convolutional coding for Gaussian minimum shift keying (GMSK) in additive white Gaussian noise (AWGN) channels is investigated. The…”
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Development of a high school computer science learning tool for bit synchronization in network protocols
Published in 2015 International Conference on Interactive Collaborative Learning (ICL) (01-09-2015)“…The purpose of this study is to develop problem-solving based learning tools to nurture sound knowledge and abilities about "Information Studies (or…”
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Conference Proceeding -
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A three-dimensional sound intensity measurement system for sound source identification and sound power determination by ln models
Published in The Journal of the Acoustical Society of America (01-12-2005)“…This paper describes a full vector intensity probe which advances the field of sound intensity and sound source direction estimation using six matched rotating…”
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Assessing your algorithm: A program complexity metrics for basic algorithmic thinking education
Published in 2016 11th International Conference on Computer Science & Education (ICCSE) (01-08-2016)“…We have explored educational methods for algorithmic thinking conceptual modeling for novices and implemented a block programming editor and a simple learning…”
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Conference Proceeding -
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Single-carrier transmission frequency-domain equalization based on a wiener filter
Published in 2010 10th International Symposium on Communications and Information Technologies (01-10-2010)“…Recently, frequency-domain equalization for single-carrier transmission (SC-FDE) has been given much attention. For example, the up-link in the 3.9 generation…”
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Conference Proceeding -
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Serial unequal error-protection codes based on trellis-coded modulation
Published in IEEE transactions on communications (01-06-1997)“…Unequal error-protection (UEP) codes that are designed using trellis-coded modulation (TCM) are proposed for use with a single data stream consisting of…”
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Performance evaluation of an OFDMA/TDD system using EVM and BER for mobile WiMAX - Field experiments and computer simulations
Published in 2010 10th International Symposium on Communications and Information Technologies (01-10-2010)“…In this paper, we focused on the physical layer of mobile-WiMAX and showed the performance of a WiMAX base station in the field using the EVM and BER…”
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Conference Proceeding -
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Performance evaluation of a Decision Feedback Equalizer with an Adaptive Error Prediction Filter
Published in 2009 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS) (01-12-2009)“…We proposed an adaptive error prediction filter with a decision feedback equalizer (AEPF-DFE) to achieve faster convergence and lower computational cost during…”
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Conference Proceeding -
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A serial Unequal Error Protection Code system using multilevel Trellis Coded Modulation with two ring signal constellations for AWGN channels
Published in 2009 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS) (01-12-2009)“…A serial unequal error protection (UEP) code system for use with information sources that contain a mixture of both important and less important data is…”
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Conference Proceeding -
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Improved post-detection processing for limiter-discriminator detection of CPM in a Rayleigh, fast fading channel
Published in IEEE transactions on vehicular technology (01-11-1995)“…A simple, robust processing strategy, called the fading magnitude-integrate sample and dump (FM-ISD) processor, is proposed for use with limiter-discriminator…”
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A serial unequal error protection code system using trellis coded modulation and an adaptive equalizer for fading channels
Published in 2008 14th Asia-Pacific Conference on Communications (01-10-2008)“…We propose a serial unequal error protection (UEP) scheme using trellis coded modulation and an adaptive equalizer for use in mobile fading channel…”
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Conference Proceeding -
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Phase smoothing functions for continuous phase modulation
Published in IEEE transactions on communications (01-02-1994)“…In this paper, the problem of signal design for continuous phase modulation is examined. Using the performance measures of effective bandwidth and minimum…”
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Unequal error protection scheme using several convolutional codes
Published in Proceedings of IEEE International Symposium on Information Theory (1997)“…This paper proposes and investigates a coding and decoding scheme to achieve unequal error protection (UEP) using several convolutional codes with different…”
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Conference Proceeding