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TWC
2011
291views more  TWC 2011»
13 years 2 months ago
On Optimal Cooperator Selection Policies for Multi-Hop Ad Hoc Networks
Abstract—In this paper we consider wireless cooperative multihop networks, where nodes that have decoded the message at the previous hop cooperate in the transmission toward the ...
Michele Rossi, Cristiano Tapparello, Stefano Tomas...
CN
2011
140views more  CN 2011»
12 years 11 months ago
Towards the design of optimal data redundancy schemes for heterogeneous cloud storage infrastructures
Nowadays, data storage requirements from end-users are growing, demanding more capacity, more reliability and the capability to access information from anywhere. Cloud storage ser...
Lluis Pamies-Juarez, Pedro García Ló...
JSAC
2010
161views more  JSAC 2010»
13 years 2 months ago
Distortion optimal transmission of multi-layered FGS video over wireless channels
Abstract-- We identify an analytical expression for the distortion of a scalable video bitstream containing a Base Layer (BL) and one or more Enhancement Layer (EL) bitstreams. Con...
Negar Nejati, Homayoun Yousefi'zadeh, Hamid Jafark...
DCC
2005
IEEE
14 years 7 months ago
Efficient Alphabet Partitioning Algorithms for Low-Complexity Entropy Coding
We analyze the technique for reducing the complexity of entropy coding consisting in the a priori grouping of the source alphabet symbols, and in dividing the coding process in tw...
Amir Said
CC
2006
Springer
125views System Software» more  CC 2006»
13 years 11 months ago
Converting Intermediate Code to Assembly Code Using Declarative Machine Descriptions
Abstract. Writing an optimizing back end is expensive, in part because it requires mastery of both a target machine and a compiler's internals. We separate these concerns by i...
João Dias, Norman Ramsey