OTFS: A New Generation of Modulation Addressing the Challenges of 5G

Wednesday, June 28th, 2017 at 6:00 PM

Room 202 in Packard Bldg., Stanford University


6:00 - 6:30 PM Networking & Refreshments
6:30 - 8:00 PM Presentation

Chair: IEEE Information Theory Society
Organizer: IEEE Information Theory Society

Session Abstract:A new two-dimensional modulation technique called Orthogonal Time Frequency Space (OTFS) modulation designed in the delay-Doppler domain is introduced as a waveform ideally suited to new 5G use cases. Through this design, which exploits full diversity over time and frequency, OTFS coupled with equalization converts the fading, time-varying wireless channel experienced by modulated signals such as OFDM into a time- independent channel with a complex channel gain that is roughly constant for all symbols. Thus, transmitter adaptation is not needed. This extraction of the full channel diversity allows OTFS to greatly simplify system operation and significantly improves performance, particular in systems with high Doppler, short packets, and large antenna arrays. Simulation results indicate at least several dB of block error rate performance improvement for OTFS over OFDM in all of these settings which translates to significant spectral efficiency improvements. In addition these results show that even at very high Doppler (500 km/h), OTFS approaches channel capacity, whereas the performance of OFDM under typical design parameters breaks down.

Speaker: Dr. Anton Monk, VP of Strategic Alliances and Standards, Cohere Technologies

Bio: Dr. Anton Monk is currently VP of Strategic Alliances and Standards at Cohere Technologies, which has developed a groundbreaking wireless modulation technology ideally suited for next generation 5G cellular communications. He was a co-founder of Entropic Communications, a publicly traded semiconductor company that invented the home networking standard used for multi-room DVR throughout the U.S. At Entropic he led the engineering and standards development of Entropic's coax-based technology, which was standardized by MoCA, the Multimedia over Coax Alliance, where he held the position of CTO. MoCA is the de facto standard for multimedia home networking over coax for Pay TV service providers in the United States. He holds 22 patents and has been an invited keynote speaker at global technology conferences in Europe, North America and Asia. Prior to co-founding Entropic he was involved in the development of cable, satellite and wireless integrated circuits at Conexant and ComStream Corporation and was a researcher at the Jet Propulsion Laboratory. He sits on a number of corporate, industry and non-profit boards. Dr. Monk earned a M.S. in Electrical Engineering from the California Institute of Technology and Ph.D. in Electrical Engineering from the University of California, San Diego.