Date:  Thursday, June 19, 2008

Time:  7:00 to 8:30 pm
 Location:  AT&T Labs

9505 Arboretum Blvd

Austin, TX  78759

Topic:  Investigation of RF Interference Effects on 802.11 Wireless LAN: Experimental Results
 Speaker:  Ben Jones, CTO, Bandspeed 
Abstract: 

The 2.4-2.5GHz ISM band has become increasingly crowded with a wide variety of wireless devices, many of which do not abide by any of the coexistence mechanisms used by 802.11 wireless LAN. Consequently, these devices appear as RF interferers to an 802.11 network and can result in performance degradation ranging from a loss in throughput to a complete disruption of the link.
To quantify the impact of RF interferers on an 802.11n wireless LAN, we selected seven common wireless devices and placed them at various locations throughout a medium-size office complex. An 802.11n wireless network was deployed with a single client and throughput was measured on each of the three non-overlapping 2.4-2.5GHz 802.11n channels with no intentional interferers. Next, throughput was measured with each interferer active at each of six locations in the office complex.
Speaker:
Ben Jones has 25 years of engineering experience in R&D and product development, specializing in signal processing, automatic control, and communications. He has deep expertise in a broad range of technologies from sensors, to integrated circuits, to RF and antennas. At Tracor (now BAE), Ben was the deputy director of a team who developed novel signal processing techniques for detection, tracking, and classification of underwater acoustic signals. He has seven issued Patents and seven pending Patents. Ben is the author of over 20 white papers and technical reports. He received a Master of Science in Electrical and Computer Engineering from the University of Texas.