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RTSS
2009
IEEE
16 years 1 months ago
Multiprocessor Extensions to Real-Time Calculus
Abstract—Many embedded platforms consist of a heterogeneous collection of processing elements, memory modules, and communication subsystems. These components often implement diff...
Hennadiy Leontyev, Samarjit Chakraborty, James H. ...
PVM
2009
Springer
16 years 1 months ago
Hierarchical Collectives in MPICH2
Abstract. Most parallel systems on which MPI is used are now hierarchical: some processors are much closer to others in terms of interconnect performance. One of the most common su...
Hao Zhu, David Goodell, William Gropp, Rajeev Thak...
CDC
2008
IEEE
116views Control Systems» more  CDC 2008»
16 years 1 months ago
Effective sensing regions and connectivity of agents undergoing periodic relative motions
— Time-varying graphs are widely used to model communication and sensing in multi-agent systems such as mobile sensor networks and dynamic animal groups. Connectivity is often de...
Daniel T. Swain, Ming Cao, Naomi Ehrich Leonard
GLOBECOM
2007
IEEE
16 years 1 months ago
Cooperative Spectrum Sensing and Detection for Cognitive Radio
—One of the main requirements of cognitive radio systems is the ability to reliably detect the presence of licensed primary transmissions. Previous works on the problem of detect...
Jayakrishnan Unnikrishnan, Venugopal V. Veeravalli
VTC
2007
IEEE
16 years 1 months ago
Q-Learning-based Hybrid ARQ for High Speed Downlink Packet Access in UMTS
Abstract-In this paper, a Q-learning-based hybrid automatic repeat request (Q-HARQ) scheme is proposed to achieve efficient resource utilization for high speed downlink packet acc...
Chung-Ju Chang, Chia-Yuan Chang, Fang-Ching Ren