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ICASSP
2011
IEEE
14 years 10 months ago
A hybrid compressed sensing algorithm for sparse channel estimation in MIMO OFDM systems
Due to multipath delay spread and relatively high sampling rate in OFDM systems, the channel estimation is formulated as a sparse recovery problem, where a hybrid compressed sensi...
Chenhao Qi, Lenan Wu
ATAL
2006
Springer
15 years 10 months ago
Continuous refinement of agent resource estimates
The challenge we address is to reason about projected resource usage within a hierarchical task execution framework in order to improve agent effectiveness. Specifically, we seek ...
David N. Morley, Karen L. Myers, Neil Yorke-Smith
CN
2006
84views more  CN 2006»
15 years 6 months ago
Dynamic overlay routing based on available bandwidth estimation: A simulation study
Dynamic overlay routing has been proposed as a way to enhance the reliability and performance of IP networks. The major premise is that overlay routing can bypass congestion, tran...
Yong Zhu, Constantinos Dovrolis, Mostafa H. Ammar
ENTCS
2007
101views more  ENTCS 2007»
15 years 6 months ago
Parametric Performance Contracts: Non-Markovian Loop Modelling and an Experimental Evaluation
Even with todays hardware improvements, performance problems are still common in many software systems. An approach to tackle this problem for component-based software architectur...
Heiko Koziolek, Viktoria Firus
ISCA
2002
IEEE
82views Hardware» more  ISCA 2002»
15 years 11 months ago
Increasing Processor Performance by Implementing Deeper Pipelines
One architectural method for increasing processor performance involves increasing the frequency by implementing deeper pipelines. This paper will explore the relationship between ...
Eric Sprangle, Doug Carmean