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VTC
2008
IEEE
185views Communications» more  VTC 2008»
16 years 29 days ago
Opportunistic Spectrum Access for Energy-Constrained Cognitive Radios
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...
Anh Tuan Hoang, Ying-Chang Liang, David Tung Chong...
RTSS
2007
IEEE
16 years 26 days ago
Bus Access Optimization for Predictable Implementation of Real-Time Applications on Multiprocessor Systems-on-Chip
In multiprocessor systems, the traffic on the bus does not solely originate from data transfers due to data dependencies between tasks, but is also affected by memory transfers a...
Jakob Rosen, Alexandru Andrei, Petru Eles, Zebo Pe...
181
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EUSAI
2004
Springer
15 years 10 months ago
Distance-Based Access Modifiers Applied to Safety in Home Networks
Home networks and the interconnection of home appliances is a classical theme in ubiquitous computing research. Security is a recurring concern, but there is a lack of awareness of...
Kjeld Høyer Mortensen, Kari R. Schougaard, ...
TWC
2008
225views more  TWC 2008»
15 years 6 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain
SCS
2004
15 years 8 months ago
The HEAT/ACT Preliminary Safety Case: A case study in the use of Goal Structuring Notation
The HEAT/ACT project consists of replacing the conventional mechanical flight control system of a helicopter with a fly-by-wire system. With such a project, the safety concerns ar...
Paul Chinneck, David Pumfrey, John McDermid