Research

Google Scholar

Summary

  • Prolific Contributor: 100+ publications over 20+ years
  • Key metrics: 1400 Citations, 20 h-index, 30 i10-index
  • Standards Pioneer: Major IETF contributor in multimedia
  • Bridge Builder: Connects academia, industry, and standards
  • Innovation Leader: Dozen patents show practical impact
  • Mentor: Supervised next generation of researchers
  • Entrepreneur: Applied research to real products

Research Areas by Topic

Multimedia Protocols

  • Error-resilience for conversational video
  • Circuit breakers for congestion control
  • Predictive buffering for 3G/cellular networks
  • FEC-based congestion control (FRACTaL)
  • Multipath RTP (MPRTP) development
  • Performance analysis of WebRTC topologies
  • Simulcast and SVC evaluation

Protocol Extensions

  • WebRTC Congestion control format, RFC8888
  • Various RTCP Extended Report (XR) blocks
  • WebRTC Statistics API development
  • Flexible FEC payload format
  • STUN extension to measure RTT, Path MTU, packet loss

Collaboration Patterns

  • International Scope: Collaborators from Finland, Sweden, France, Germany, USA, UK, China
  • Industry-Academia Bridge: Strong connections with Nokia, Google, Cisco, Microsoft, Facebook, Apple, etc.
  • IETF Working Groups: AVTCORE, RMCAT, XRBLOCK, PAYLOAD
  • W3C Working Groups: WebRTC, Media Source Extensions (MSE), Device APIs

Publication Distribution by Period

2003-2009

Early career - Focus on H.264 video, RTP/RTCP, RTSP, MPEG/DASH protocols

2010-2015

Peak standardization period - Heavy IETF involvement

  • 2013: Peak year with multiple RFCs and conference papers
  • 2014: Strong year for standards development

2016-now

WebRTC Commercialization era

  • 2019: Notable for callstats.io patents and acquisition

Research Phases

Phase 1 (2003-2010): Foundation

  • Video compression and transmission
  • Rate control for conversational video
  • 3G/4G network optimization
  • Improvements to RTP/RTCP protocols

Phase 2 (2011-2015): Protocol Development

  • Multipath RTP (MPRTP) - Major contribution
  • Congestion control mechanisms
  • Forward Error Correction (FEC) integration
  • Continued improvements to RTCP Extended Reports (XR) blocks
  • Simulcast and Scalable Video Coding (SVC) development
  • Statistics API development
  • Contributions to DASH
  • Contributions to ITU-T definition of QoE/QoS

Phase 3 (2016-now): Commercialization

  • Built callstats.io, real-world monitoring
  • Industry standards finalization
  • Entrepreneur's journey: raised money, built a company, sold it