QoS Aware Multi-Channel Scheduling for IEEE 802.15.3 Networks |
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Authors: | Aniruddha Rangnekar Krishna M Sivalingam |
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Affiliation: | (1) Department of CSEE, University of Maryland, Baltimore County, 1000 Hilltop Circle, ITE 325, Baltimore, MD 21250, USA |
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Abstract: | From a multimedia applications perspective, there is an ever increasing demand for wireless devices with higher bandwidth
to support high data rate flows. One possible solution to support the demand for higher bandwidth is to utilize the full spectrum
by simultaneously using multiple channels for transmission. Recent approval by the Federal Communications Commission (FCC)
has led to considerable interest in exploiting Ultra Wideband (UWB) access on an unlicensed basis in the 3.1--10.6 GHz band.
Currently, the IEEE TG802.15.3a standards group is in the process of developing an alternative high-speed link layer design
conformable with the IEEE 802.15.3 Wireless Personal Area Network (WPAN) multiple access (MAC) protocol. One of the proposals,
based on the concept of Orthogonal Frequency Division Multiplexing (OFDM), divides the spectrum into multiple bands and achieves
channelization through the use of different time-frequency codes. These multiple channels can help satisfy the increasing
demand for higher bandwidth in order to support high data rate multimedia applications. In this paper, we present a QoS-aware,
multi-channel scheduling algorithm that simultaneously utilizes the various channels available in the UWB network.
Aniruddha Rangnekar is a doctoral student in the Department of Computer Science and Electrical Engineering at the University of Maryland, Baltimore
County. He received the B.E. degree in Computer Engineering from the University of Pune, India in 1998 and a M.S. in Computer
Science from the University of Maryland, Baltimore County in 2001. From January 2002 to date, he has been involved in graduate
research in University of Maryland, Baltimore County. During the summer of 2004, he worked as the MAC development engineer
at Staccato Communications, San Diego, CA. His current interests are in the areas of wireless ad hoc networks, multicast routing
protocols, ultra wideband communications and MAC protocol development. He is a member of the MACSim group of the Multiband
OFDM alliance (MBOA).
Krishna M. Sivalingam is an Associate Professor in the Dept. of CSEE at University of Maryland, Baltimore County. Previously, he was with the School
of EECS at Washington State University, Pullman from 1997 until 2002; and with the University of North Carolina Greensboro
from 1994 until 1997. He has also conducted research at Lucent Technologies' Bell Labs in Murray Hill, NJ, and at AT&T Labs
in Whippany, NJ. He received his Ph.D. and M.S. degrees in Computer Science from State University of New York at Buffalo in
1994 and 1990 respectively; and his B.E. degree in Computer Science and Engineering in 1988 from Anna University, Chennai
(Madras), India. While at SUNY Buffalo, he was a Presidential Fellow from 1988 to 1991.
His research interests include wireless networks, optical wavelength division multiplexed networks, and performance evaluation.
He holds three patents in wireless networks and has published several research articles including more than thirty journal
publications. He has published an edited book on Wireless Sensor Networks in 2004 and edited books on optical WDM networks
in 2000 and 2004. He served as a Guest Co-Editor for special issues of the ACM MONET journal on “Wireless Sensor Networks”
in 2003 and 2004; and an issue of the IEEE Journal on Selected Areas in Communications on optical WDM networks (2000). He
is co-recipient of the Best Paper Award at the IEEE International Conference on Networks 2000 held in Singapore. His work
has been supported by several sources including AFOSR, NSF, Cisco, Intel and Laboratory for Telecommunication Sciences. He
is a member of the Editorial Board for ACM Wireless Networks Journal, IEEE Transactions on Mobile Computing, Ad Hoc and Sensor
Wireless Networks Journal, and KICS Journal of Computer Networks.
He serves as Steering Committee Co-Chair for the International Conference on Broadband Networks (BroadNets) that was created
in 2004. He is currently serving as General Co-Vice-Chair for the Second Annual International Mobiquitous conference to be
held in San Diego in 2005 and as General Co-Chair for the First International Conference on Security and Privacy for Emerging
Areas in Communication Networks to be held in Athens, Greece in Sep. 2005. He served as Technical Program Co-Chair for the
First IEEE Conference on Sensor and Ad Hoc Communications and Networks (SECON) held at Santa Clara, CA in 2004; as General
Co-Chair for SPIE Opticomm 2003 (Dallas, TX) and for ACM Intl. Workshop on Wireless Sensor Networks and Applications (WSNA)
2003 held in conjunction with ACM MobiCom 2003 at San Diego, CA; as Technical Program Co-Chair of SPIE/IEEE/ACM OptiComm conference
at Boston, MA in July 2002; and as Workshop Co-Chair for WSNA 2002 held in conjunction with ACM MobiCom 2002 at Atlanta, GA
in Sep 2002. He is a Senior Member of IEEE and a member of ACM. |
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