Self-Interference Cancellation: Full-Duplex Revolution
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When: April 18. 2019
14:00 - 15:00 EDT (18:00 - 19:00 UTC)
Where: United States
Contact: Caleb Herr

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Self-Interference Cancellation: Full-Duplex Revolution

Thursday, April 18, 2019 14:00 -15:00 EDT



Self-interference cancellation invalidates a long-held fundamental assumption in wireless network design that radios can only operate in half duplex mode on the same channel. Beyond enabling true in-band full duplex, which effectively doubles spectral efficiency, self-interference cancellation tremendously simplifies spectrum management. It enables future networks to leverage fragmented spectrum, a pressing global issue that will continue to worsen as the spectrum gets more crowded. Self-interference cancellation offers a sustainable path toward denser heterogeneous networks and can be utilized in wireless communication systems in multiple ways, including increased link capacity, spectrum virtualization, any-division duplexing (ADD), novel relay solutions, and enhanced interference coordination.

At the most basic level, self-interference cancellation replaces arcane solutions like passive RF filters, metal shielding, and physical isolation. Unlike filters that merely wall off a range of frequencies, self-interference cancellation directly attacks the interfering signal. Consequently, it can be used to eliminate interference between co-located radios, enable unprecedentedly aggressive frequency reuse, and generally facilitate spectrum sharing by doing away with guard bands and permitting total flexibility in frequency assignments. By virtue of its fundamental nature, self-interference cancellation will have a tremendous impact on the design of future networks.

The presentation will discuss the evolution of the technology since its roots at Stanford University, its applications, implementation challenges, and state-of-the-art performance based on dedicated integrated circuits (ICs) that have been developed to enable mass adoption of the technology. .




Joel Brand is Vice President of Product Management for Kumu Networks, a startup that was spun out of Stanford University research on wireless Full-Duplex. For over 25 years Joel has actively participated in defining and building infrastructure solutions for the telecom and wireless industries. He previously held executive positions at ConteXtream (acquired by HP), Bytemobile (acquired by Citrix) and Ruckus Wireless (NYSE: RKUS and now part of Arris). Prior to his industry career, Joel was a communications officer in the Signal Corps of the Israeli Defense Force (IDF) where he pioneered some of the very early C3I applications to track friendly forces. Joel holds a B.Sc. and M.Sc. in Engineering from the Israeli Institute of Technology (the Technion) as well as MBA from National University in San Diego.  




*Registration will close one hour prior to the start of the webinar (1pm ET)! Any registrations taken after this time will not be able to view the live webinar.

Registration and attendance at this live event is complimentary for AOC members and non-members alike.  However, you must be signed into your AOC account to register.  If you don't have an AOC account, but would like to register for free, please join here as a "Guest Non-Member."


After you register for the webinar, you will be emailed a confirmation with the link to the webinar, along with instructions on how to connect.

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You can also access the webinar via free mobile apps available on iOS and Android devices.

For questions, please contact Caleb Herr.


PLEASE NOTE:  By registering for this webinar, you are providing explicit consent that the details of your registration may be used by the Association of Old Crows (AOC), the presenter, and/or the sponsor(s) to contact you via email for informational and marketing purposes.


The entire presentation and Q&A will be recorded for viewing approximately 24 hours after the event.  On-demand viewing of recorded webinars is reserved as a benefit for dues-paying AOC members only.  You can join the AOC here.  You can find the link to the recording in our AOC Virtual Series Archive.


With over 13,000 members internationally, the Association of Old Crows is an organization for individuals who have common interests in Electronic Warfare (EW), Electromagnetic Spectrum Management Operations, Cyber Electromagnetic Activities (CEMA), Information Operations (IO), and other information related capabilities. The Association of Old Crows provides a means of connecting members and organizations nationally and internationally across government, defense, industry, and academia to promote the exchange of ideas and information, and provides a platform to recognize advances and contributions in these fields.
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