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PIMRC
2008
IEEE
14 years 3 months ago
Optimal constellation distortion for PAR reduction in OFDM systems
Abstract—The high peak-to-average-power ratio (PAR) of Orthogonal Frequency Division Multiplexing (OFDM) transmission systems significantly reduces the power efficiency or perf...
Moshe Malkin, Brian S. Krongold, John M. Cioffi
DNIS
2007
Springer
114views Database» more  DNIS 2007»
14 years 2 months ago
Improving the Performance of Read-Only Transactions Through Speculation
A read-only transaction (ROT) does not modify any data. The main issues regarding processing ROTs are correctness, data currency and performance. Two-phase Locking (2PL) protocol i...
Thirumalaisamy Ragunathan, P. Krishna Reddy
KDD
2007
ACM
210views Data Mining» more  KDD 2007»
14 years 2 months ago
Machine learning for stock selection
In this paper, we propose a new method called Prototype Ranking (PR) designed for the stock selection problem. PR takes into account the huge size of real-world stock data and app...
Robert J. Yan, Charles X. Ling
WINE
2007
Springer
120views Economy» more  WINE 2007»
14 years 2 months ago
Public Advertisement Broker Markets
Motivated by the growth of various networked systems as potential market places, we study market models wherein, owing to the size of the markets, transactions take place between l...
Atish Das Sarma, Deeparnab Chakrabarty, Sreenivas ...
ASWEC
2006
IEEE
14 years 2 months ago
Compatibility Test for Coordination Aspects of Software Components
Combining third party software components to customer-individual application systems requires first, standardized specification techniques for describing the technical as well as ...
Johannes Maria Zaha, Antonia Albani