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Triggercast: Enabling Wireless Collisions Constructive

by unknown authors
"... Abstract—It is generally considered that concurrent trans-missions should be avoided in order to reduce collisions in wireless sensor networks. Constructive interference (CI) envisions concurrent transmissions to positively interfere at the receiver. CI potentially allows orders of magnitude reducti ..."
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sensor nodes. To synchronize transmissions of multiple senders at the chip level, Triggercast effectively compensates propagation and radio processing delays, and has 95th percentile synchronization errors of at most 250ns. Triggercast also intelligently decides which co-senders to partici

1Direction of Arrival Estimation Using Co-prime Arrays: A Super Resolution Viewpoint

by Zhao Tan, Student Member, Yonina C. Eldar Fellow, Arye Nehorai Fellow
"... Abstract—We consider the problem of direction of arrival (DOA) estimation using a newly proposed structure of non-uniform linear arrays, referred to as co-prime arrays, in this paper. By exploiting the second order statistical information of the received signals, co-prime arrays exhibit O(MN) degree ..."
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2M +N sensors. The noise statistics of co-prime arrays are also analyzed to demonstrate the robustness of the proposed optimization scheme. A source number detection method is presented based on the spectrum reconstructed from the sparse method. By extensive numerical examples, we show

RICE UNIVERSITY Regime Change: Sampling Rate vs. Bit-Depth in Compressive Sensing

by Jason Noah Laska , 2011
"... The compressive sensing (CS) framework aims to ease the burden on analog-to-digital converters (ADCs) by exploiting inherent structure in natural and man-made signals. It has been demon-strated that structured signals can be acquired with just a small number of linear measurements, on the order of t ..."
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of the signal complexity. In practice, this enables lower sampling rates that can be more easily achieved by current hardware designs. The primary bottleneck that limits ADC sam-pling rates is quantization, i.e., higher bit-depths impose lower sampling rates. Thus, the decreased sampling rates of CS ADCs

ACKNOWLEDGMENTS

by Jennifer E. Michaels, Maysam Ghovanloo, James H. Mcclellan, Michael J. Leamy, George W. Woodruff, Laurence J. Jacobs, Thomas E. Michaels , 2011
"... First and foremost, I would like to thank my advisor, Prof. Jennifer E. Michaels. I am most appreciative of your guidance over the last four years, from the basics of elastic waves to both short- and long-term career advice. I have grown a tremendous amount, both profes-sionally and personally, and ..."
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First and foremost, I would like to thank my advisor, Prof. Jennifer E. Michaels. I am most appreciative of your guidance over the last four years, from the basics of elastic waves to both short- and long-term career advice. I have grown a tremendous amount, both profes-sionally and personally, and am deeply grateful for your mentorship, patience, and support. I would also like to thank my Ph.D. committee for their valuable insight and sugges-

Subspace Communication

by Josep Font-segura, Prof Gregori , 2014
"... We are surrounded by electronic devices that take advantage of wireless technologies, from our computer mice, which require little amounts of information, to our cellphones, which demand increasingly higher data rates. Until today, the coexistence of such a variety of services has been guaranteed by ..."
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We are surrounded by electronic devices that take advantage of wireless technologies, from our computer mice, which require little amounts of information, to our cellphones, which demand increasingly higher data rates. Until today, the coexistence of such a variety of services has been guaranteed

4. TITLE AND SUBTITLE A Practical Theory of Micro-Solar Power Sensor Networks

by Jaein Jeong , 2009
"... Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments ..."
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Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information,

JOURNAL OF DISPLAY TECHNOLOGY 1 Digital Holography at Shot Noise Level

by Frédéric Verpillat, Fadwa Joud, Michael Atlan, Michel Gross
"... rs io ..."
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The Datacenter as a Computer An Introduction to the Design of Warehouse-Scale Machinesiii Synthesis Lectures on Computer Architecture Editor

by unknown authors
"... ..."
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The Datacenter as a Computer An Introduction to the Design of Warehouse-Scale Machinesiii Synthesis Lectures on Computer Architecture Editor

by unknown authors
"... ..."
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The Datacenter as a Computer An Introduction to the Design of Warehouse-Scale Machinesiii Synthesis Lectures on Computer Architecture Editor

by unknown authors
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