DocumentCode :
1818519
Title :
Transition activity estimation for generic data distributions [power estimation]
Author :
Ortiz, Alberto Garcia ; Kabulepa, Lukusa D. ; Glener, Manfred
Author_Institution :
Inst. of Microelectron. Syst., Darmstadt Univ. of Technol., Germany
Volume :
2
fYear :
2002
fDate :
2002
Abstract :
Due to the increasing demand of portable digital systems, it is of great interest to extend the existing high-level power estimation techniques to handle flexible non-Gaussian data models, as they appear in relevant applications such as signal correlators or OFDM synchronization units. This work addresses the modeling and estimation of signal activity in random signals based on their statistical properties. Using the derived models, an estimation technique is proposed and evaluated for practical circuits. Bit level simulation results show the excellent accuracy of the proposed approach
Keywords :
OFDM modulation; circuit simulation; correlators; digital signal processing chips; integrated circuit design; integrated circuit modelling; parameter estimation; probability; statistical analysis; synchronisation; DSP architectures; IC design flow; OFDM synchronization units; bit level simulations; flexible nonGaussian data models; generic data distributions; models; portable digital systems; power estimation techniques; random signals; signal activity estimation; signal activity modeling; signal correlators; single chip digital systems; statistical properties; transition activity estimation; Circuits; Correlators; Data models; Digital signal processing; Digital systems; Energy consumption; Microelectronics; OFDM; Power system modeling; Signal analysis;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on
Conference_Location :
Phoenix-Scottsdale, AZ
Print_ISBN :
0-7803-7448-7
Type :
conf
DOI :
10.1109/ISCAS.2002.1011026
Filename :
1011026
Link To Document :
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