In this talk, I’ll describe our recent works on design of “reconfigurable” wireless architectures based on free-space optical (FSO) communication links, and briefly discuss other works on spectrum monitoring and patrolling. 

Abstract: 

First, I’ll describe a datacenter network architecture (called FireFly) based on FSO links that pushes datacenter network design to the extreme on three key fronts: (1) all links are reconfigurable; (2) all links are wireless (FSO); and (3) core (non top-of-rack) switches are eliminated altogether. I’ll describe our recent results that demonstrate the viability of this architecture by building a proof-of-concept hardware (link) prototypes and addressing network design and management challenges. Second, I’ll describe our recent work on FSO-based wireless backhaul for picocell (small cell) network. Here, to overcome the outdoor effects, we create an architecture (called FSONet) that relies on use of many robust short-range links. I’ll describe our architecture and discuss various network design and management issues that arise. Finally, I’ll briefly describe my other research interests in spectrum monitoring and patrolling.

CSE 600 students will receive class credit for attending.

Bio:
Himanshu Gupta is an associate professor of computer science at Stony Brook University. His current research interests are in theoretical issues that arise in the context of wireless networks; in particular, he is interested in free-space optics based wireless networks and spectrum monitoring and allocation. He finished his B.Tech. in Computer Science and Engineering from IIT Bombay in 1992, and his M.S. and Ph.D. in Computer Science from Stanford University in 1999.