L a b R e s e a r c h Digital Communications Modulation & coding techniques for Gaussian & fading channels e.g., optimal CPM pulse shaping, performance improvements for limiter-discriminator detection, optimal combinations of coding & modulation, unequal error protection coding Spread spectrum communication systems e.g., Modulation schemes for use with spread spectrum, bandwidth/processing gain tradeoffs Sensor Networks e.g., Wireless sensor network protocols Information Systems Web based systems to provide various types of information Automatic form generation CAI systems Publications Journal Papers    (Updated 2021/12/23) International Conference Papers    (Updated 2020/01/07) Domestic Conference Papers    (Updated 2020/02/05) Theses Books Other Papers Patents Japan    (Updated [an error occurred while processing this directive]) Awards 3rd Place Professional Paper Award Awarded to Kazuyuki Morioka, David Asano et al. for the paper "Experiments of VOIP using WiMax System and Fading Simulator with Two-Path Models for Aeronautical Scenarios", presented at the 2014 Integrated Communication, Navigation, & Surveillance Conference, Herndon VA, USA. Best Teacher Award David Asano was elected the best department teacher by students for the 2011-2012 academic year. IEEE Shin-etsu Young Researcher Oral Presentation Award Awarded to Kazuyuki Morioka for the paper "Performance Evaluation of Asynchronous CPFSK-CDMA Systems", presented at the 2011 Shin-etsu Section Conference, Kashiwazaki, Japan. Best Teacher Award David Asano was elected the best department teacher by students for the 2009-2010 academic year. IEEE Shin-etsu Young Researcher Paper Award Awarded to Satoshi Yamazaki for the paper "A Serial Unequal Error Protection Code System using a Decision Feedback Equalizer with an Adaptive Error Prediction Filter for Fading Channels", presented at the 2009 Shin-etsu Section Conference, Nagano, Japan. 2005 Saitama Prefecture Venture Business Award Awarded for the "Mentore" CAI System IEEE Senior Member Awarded to David Asano for significant achievements, Aug. 15, 2003.