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Displaying 1-20 out of 20 total
Successive Interference Cancellation: Carving Out MAC Layer Opportunities
Found in: IEEE Transactions on Mobile Computing
By S. Sen,N. Santhapuri,R. R. Choudhury,S. Nelakuditi
Issue Date:February 2013
pp. 346-357
Successive interference cancellation (SIC) is a PHY capability that allows a receiver to decode packets that arrive simultaneously. While the technique is well known in communications literature, emerging software radio platforms are making practical exper...
False Path Detection at Transistor Level
Found in: VLSI Design, International Conference on
By A. Das, S. Sen, M. Rangan, R. Nayak, N. Kumar
Issue Date:January 1998
pp. 226
No summary available.
Playback Restart In Interactive Streaming Video Applications
Found in: Multimedia Computing and Systems, International Conference on
By J. K. Dey, S. Sen, J. Kurose, D. Towsley, J. D. Salehi
Issue Date:June 1997
pp. 458
Low latency is crucial in networked multimedia applications such as on-demand streaming audio and video. In this paper, we consider the problem of restarting or resuming playback following an interactive operation such as fast forward, rewind, or indexed j...
To Cache or Not to Cache: The 3G Case
Found in: IEEE Internet Computing
By J Erman,A Gerber,M Hajiaghayi, Dan Pei,S Sen,O Spatscheck
Issue Date:March 2011
pp. 27-34
Recent studies have shown that in the wired broadband world, caching of HTTP objects results in substantial savings in network resources. What about cellular networks? This article examines the characteristics of HTTP traffic generated by millions of wirel...
A Comparison of Sample-Path-Based Simulation-Optimization and Stochastic Decomposition for Multi-Location Transshipment Problems
Found in: Winter Simulation Conference
By Lei Zhao, S. Sen
Issue Date:December 2006
pp. 238-245
Because of its applicability, as well as its generality, research in the area of simulation-optimization continues to attract significant attention. These methods, most of which rely on the statistically motivated search techniques, are at their best when ...
Real time cross-layer adaptation for minimum energy wireless image transport using bit error rate control
Found in: On-Line Testing Symposium, IEEE International
By J. Natarajan,S. Sen,A. Chatterjee
Issue Date:July 2011
pp. 127-132
In wireless multimedia systems, significant power is consumed in processing image/video content This research looks specifically at the energy cost of wireless image/video transport focusing on image quality as an end metric. The quality of received image/...
Digitally Assisted Concurrent Built-In Tuning of RF Systems Using Hamming Distance Proportional Signatures
Found in: Asian Test Symposium
By S. Devarakond, S. Sen, V. Natarajan, A. Banerjee, H. Choi, G. Srinivasan, A. Chatterjee
Issue Date:December 2010
pp. 283-288
In this paper, a novel built-in tuning technique to compensate for variability induced imperfections in RF subsystems is proposed. The test stimulus is obtained from a filtered digital pattern and the RF response is down-converted using an envelope detecto...
Aggressively voltage overscaled adaptive RF systems using error control at the bit and symbol levels
Found in: On-Line Testing Symposium, IEEE International
By J. Natarajan, G. Kumar, S. Sen, M.M. Nisar, D. Lee, A. Chatterjee
Issue Date:June 2009
pp. 249-254
Voltage overscaling for power reduction in RF systems has been limited by the need to maintain sufficient overscaling guard bands to ensure that minimum signal quality requirements of the end to end communication link are met. In this paper, we propose err...
A high performance configurable transport protocol for grid computing
Found in: Cluster Computing and the Grid, IEEE International Symposium on
By R.X. Wu, A.A. Chien, M.A. Hiltunen, R.D. Schlichting, S. Sen
Issue Date:May 2005
pp. 1117-1125
Grid computing infrastructures and applications are increasingly diverse with networks ranging from very high bandwidth optical networks to wireless networks and applications ranging from remote visualization to sensor data collection. For such environment...
An Improved Output-size Sensitive Parallel Algorithm for Hidden-Surface Removal for Terrains
Found in: Parallel Processing Symposium, International
By N. Gupta, S. Sen
Issue Date:April 1998
pp. 0215
No summary available.
Using Windows NT for Real-Time Applications: Experimental Observations and Recommendations
Found in: Real-Time and Embedded Technology and Applications Symposium, IEEE
By O. Gonzáles, S. Sen, S. Shirgurkar, C. Shen, K. Ramamrithham
Issue Date:June 1998
pp. 102
No summary available.
Integrated scheduling of multimedia and hard real-time tasks
Found in: Real-Time Systems Symposium, IEEE International
By H. Kaneko, J.A. Stankovic, S. Sen, K. Ramamritham
Issue Date:December 1996
pp. 206
An integrated platform which is capable of meeting the requirements of both traditional real-time control processing and multimedia processing has enormous potential for accommodating various kinds of new applications. However, except for the simplest of s...
Efficient system-level testing and adaptive tuning of MIMO-OFDM wireless transmitters
Found in: 2013 18th IEEE European Test Symposium (ETS)
By S. Devarakond,D. Banerjee,A. Banerjee,S. Sen,A. Chatterjee
Issue Date:May 2013
pp. 1-6
A low cost methodology for simultaneous testing and tuning of multiple chains of MIMO-OFDM wireless transmitter for system-level specifications is presented. Bandwidth-partitioned test stimuli enable the determination of the behavioral characteristics of t...
ELITE-Engineering with Liberal and Technical Education. Project status report-evaluation, seminars, and advising
Found in: Frontiers in Education, Annual
By S. Sen, J. Higle, R. Ferrell, L. Head, J. Goldberg
Issue Date:November 1997
pp. 807vol.2-1125vol.2
Summary form only given. ELITE will enable students at the University of Arizona to plan a course of study that reflects their interests in the arts, humanities, business or social sciences, and applications of engineering methods to these disciplines. By ...
Progress with BA in engineering (ELITE) at the University of Arizona
Found in: Proceedings of IEEE Computer Society Symposium Frontiers in Education
By S. Sen,J. Goldberg,J. Higle,R. Ferrell
Issue Date:July 2013
pp. 953 vol.2
Summary form only given as follows. At the University of Arizona, we are offering a new program that allows talented students to combine engineering as well as liberal arts, leading to a Bachelor of Arts in Engineering (ELITE). A student in this program is...
Link layer multicasting with smart antennas: No client left behind
Found in: 2008 IEEE International Conference on Network Protocols
By S. Sen, Jie Xiong,R. Ghosh,R.R. Choudhury
Issue Date:October 2008
pp. 53-62
Wireless link layer multicast is an important service primitive for emerging applications, such as live video, streaming audio, and other content telecasts. The broadcast nature of the wireless channel is amenable to multicast because a single packet trans...
Decision Aids for Scheduling and Hedging (DASH) in deregulated electricity markets: a stochastic programming approach to power portfolio optimization
Found in: Winter Simulation Conference
By S. Sen, Lihua Yu, T. Genc
Issue Date:December 2002
pp. 1530-1538
The DASH model for power portfolio optimization provides a tool which helps decision-makers coordinate production decisions with opportunities in the wholesale power market. The methodology is based on a stochastic programming model which selects portfolio...
Polling: a new randomized sampling technique for computational geometry
Found in: Proceedings of the twenty-first annual ACM symposium on Theory of computing (STOC '89)
By J. H. Reif, S. Sen
Issue Date:May 1989
pp. 394-404
We introduce a new randomized sampling technique, called Polling which has applications to deriving efficient parallel algorithms. As an example of its use in computational geometry, we present an optimal parallel randomized algorithm for intersection of h...
An efficient output-sensitive hidden surface removal algorithm and its parallelization
Found in: Proceedings of the fourth annual symposium on Computational geometry (SCG '88)
By J. H. Reif, S. Sen
Issue Date:June 1988
pp. 193-200
In this paper we present an algorithm for hidden surface removal for a class of polyhedral surfaces which have a property that they can be ordered relatively quickly like the terrain maps. A distinguishing feature of this algorithm is that its running time...
Sequential Boolean function learning by classifier system
Found in: Proceedings of the first international conference on Industrial and engineering applications of artificial intelligence and expert systems - Volume 2 (IEA/AIE '88)
By S. Sen
Issue Date:June 1988
pp. 1151-1156
Many engineering problems such as Job Shop Scheduling can be categorized as constraint satisfaction problems. We propose the Dynamic Constraint-directed Ordered Search (DCOS) to solve such problems. DCOS repeatedly re-arranges the search order of the varia...