Design considerations for battery-powered electronics
Proceedings of the 36th annual ACM/IEEE Design Automation Conference
A discrete-time battery model for high-level power estimation
DATE '00 Proceedings of the conference on Design, automation and test in Europe
Energy-efficient design of battery-powered embedded systems
IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special issue on low power electronics and design
MONOLITHIC DC-DC CONVERTER ANALYSIS AND MOSFET GATE VOLTAGE OPTIMIZATION
ISQED '03 Proceedings of the 4th International Symposium on Quality Electronic Design
Energy management for battery-powered embedded systems
ACM Transactions on Embedded Computing Systems (TECS)
Telos: enabling ultra-low power wireless research
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
Introduction to MPEG; MPEG-1, MPEG-2 and MPEG-4
Introduction to MPEG; MPEG-1, MPEG-2 and MPEG-4
PVS: passive voltage scaling for wireless sensor networks
ISLPED '07 Proceedings of the 2007 international symposium on Low power electronics and design
Power deregulation: eliminating off-chip voltage regulation circuitry from embedded systems
CODES+ISSS '07 Proceedings of the 5th IEEE/ACM international conference on Hardware/software codesign and system synthesis
A platform for developing adaptable multicore applications
CASES '09 Proceedings of the 2009 international conference on Compilers, architecture, and synthesis for embedded systems
System energy minimization via joint optimization of the DC-DC converter and the core
Proceedings of the 17th IEEE/ACM international symposium on Low-power electronics and design
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The lifetime of a stand-alone media recorder is a function of both the battery size and flash memory size. In this paper, we present a power management framework for media recorders that significantly enhances their lifetime while minimizing the flash memory usage and maintaining the same level of recording quality. This is achieved by implementing a mixture of encoding algorithms of different complexities that generate data with different compression ratios, and in turn balancing the energy consumption and the flash memory usage. The proposed method can be effectively employed on a direct battery drive system which does not use a DC-DC converter. The gradual drop of the battery voltage of such system is compensated by operating algorithms of lower complexity more and more. For a speech encoding application where a mixture of ADPCM (low complexity) and MP3 (high complexity) is used, the proposed algorithm achieves 70% more lifetime than a DC-DC converter with a highest clock frequency, and 20% more lifetime than even a DC-DC converter with the optimal clock frequency.