Rescheduled for Wednesday, June 28, 9:30 - 10:30am Mountain Standard Time Optiverse venue
At 09:14 AM 6/26/2006, Cindy Sievers wrote: >This talk will be rescheduled. The speaker could not arrive in Los Alamos >due to bad weather conditions yesterday. Another announcement will be sent >out soon. Thanks. > > > > >>>*** LANL Seminar Series >>>*** http://public.ds.lanl.gov/ccs1-seminar >>> >>>TITLE: >>>DRAND: Distributed Randomized TDMA Scheduling For Wireless Ad-hoc Networks >>> >>>SPEAKER: Prof. Injong Rhee. North Carolina State University, CS Dept. >>> http://www.csc.ncsu.edu/faculty/rhee/ >>> >>>WHEN: Wednesday, June 28th, 9:30 - 10:30am Mountain Standard Time >>> >>>ABSTRACT: >>>Rhee presents a distributed implementation of RAND, a randomized time slot >>>scheduling algorithm, called DRAND. DRAND runs in O(d) time and message >>>complexity where d is the size of a two-hop neighborhood in a wireless >>>network while message complexity remains O(d), assuming that message >>>delays can be bounded by an unknown constant. DRAND is the first fully >>>distributed version of RAND. The algorithm is suitable for a wireless >>>network where most nodes do not move, such as wireless mesh networks and >>>wireless sensor networks. We implement the algorithm in TinyOS and >>>demonstrate its performance in a real test bed of Mica2 nodes. The >>>algorithm does not require any time synchronization and is shown to be >>>effective in adapting to local topology changes without incurring global >>>overhead in the scheduling. Because of these features, it can also be used >>>even for other scheduling problems such as frequency or code scheduling >>>(for FDMA or CDMA) or local identifier assignment for wireless networks >>>where time synchronization is not enforced. >>> >>>BIO: >>>Injong Rhee received his Ph.D. from the University of North Carolina at >>>Chapel Hill. He is an associate professor of Computer Science at North >>>Carolina State University. In year 2000, he founded Togabi Technologies, >>>INC, a company that develops and markets mobile wireless multimedia >>>applications for next generation wireless networks and he was CTO and CEO >>>of the company until year 2002. His research interests are computer >>>networks, congestion control, wireless networks, multimedia networking, >>>distributed systems, and operation systems. He is an inventor of several >>>congestion control protocols including TEAR, BIC-TCP and CUBIC. In >>>particular, BIC-TCP has received a lot of media attention throughout the >>>world and is currently the default TCP algorithm used in Linux 2.6 and up. >>>He received NSF Early Faculty Career Development Award in 1999 and New >>>Inventor's award from NCSU. >> >> >>Meeting details can be found at: >>http://agschedule.ncsa.uiuc.edu/meetingdetails.asp?MID=16129 >>Venue: Optiverse (on the NCSA venue server) >> >>All remote sites are welcome. Please RSVP to siev...@lanl.gov if your >>site is planning on attending. Please arrive in the venue at least 1/2 >>hour early for testing. We will be using VNC for the presentation. > > >============================================ >Cindy Sievers Los Alamos National Laboratory >siev...@lanl.gov Group CCS-1 MS B287 >tel:505.665.6602 Advanced Computing >fax:505.665.4939 Los Alamos, NM 87544 >============================================ ============================================ Cindy Sievers Los Alamos National Laboratory siev...@lanl.gov Group CCS-1 MS B287 tel:505.665.6602 Advanced Computing fax:505.665.4939 Los Alamos, NM 87544 ============================================
