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CORR
2008
Springer
125views Education» more  CORR 2008»
15 years 4 months ago
Power Control in Cognitive Radio Networks: How to Cross a Multi-Lane Highway
Abstract--We consider power control in cognitive radio networks where secondary users identify and exploit instantaneous and local spectrum opportunities without causing unacceptab...
Wei Ren, Qing Zhao, Ananthram Swami
CORR
2008
Springer
129views Education» more  CORR 2008»
15 years 4 months ago
Linear Time Encoding of LDPC Codes
Abstract--In this paper, we propose a linear complexity encoding method for arbitrary LDPC codes. We start from a simple graph-based encoding method "label-and-decide." W...
Jin Lu, José M. F. Moura
EJC
2008
15 years 4 months ago
Locally constrained graph homomorphisms and equitable partitions
We explore the connection between locally constrained graph homomorphisms and degree matrices arising from an equitable partition of a graph. We provide several equivalent charact...
Jirí Fiala, Daniël Paulusma, Jan Arne ...
AROBOTS
2006
94views more  AROBOTS 2006»
15 years 4 months ago
Multimode locomotion via SuperBot reconfigurable robots
Abstract One of the most challenging issues for a selfsustaining robotic system is how to use its limited resources to accomplish a large variety of tasks. The scope of such tasks ...
Wei-Min Shen, Maks Krivokon, Harris Chiu, Jacob Ev...
CONCURRENCY
2006
148views more  CONCURRENCY 2006»
15 years 4 months ago
An adaptive parallel query processing middleware for the Grid
vices provide an important abstract layer on top of heterogeneous components (hardware and software) that take part into a grid environment. In this scenario, applications, like sc...
Vinícius F. V. da Silva, Márcio L. D...