Flexible radio: a framework for optimized multimodal operation via dynamic signal design
EURASIP Journal on Wireless Communications and Networking
Software radios: unifying the reconfiguration process over heterogeneous platforms
EURASIP Journal on Applied Signal Processing
A Lightweight Operating Environment for Next Generation Cognitive Radios
DSD '08 Proceedings of the 2008 11th EUROMICRO Conference on Digital System Design Architectures, Methods and Tools
Open Platform for Prototyping of Advanced Software Defined Radio and Cognitive Radio Techniques
DSD '09 Proceedings of the 2009 12th Euromicro Conference on Digital System Design, Architectures, Methods and Tools
Bridging dream and reality: programmable baseband processors for software-defined radio
IEEE Communications Magazine
OveRSoC: a framework for the exploration of RTOS for RSoC platforms
International Journal of Reconfigurable Computing - Special issue on selected papers from ReConFig 2008
Journal of Signal Processing Systems
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This paper presents the Flexible Radio Kernel (FRK), a configuration and execution management environment for hybrid hardware/software flexible radio platforms. The aim of FRK is to manage platform reconfiguration for multi-mode, multi-standard operation, with different levels of abstraction. A high level framework is defined and described. Its goal is to manage multiple Medium Access Control layers and to enable cooperation algorithms for cognitive radio. A low-level environment is also available to manage platform reconfiguration for radio operations. Radios can make use of hardware or software elements, and configuration state is hidden to the high-level layers, offering pseudo concurrency (time sharing) properties independently of the nature of the elements implementation. This study presents a global view of FRK, with a specific focus on its software architecture and its support of configurable hardware. The effectiveness of the approach is demonstrated through a practical example.