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Power saving in a mobile multimedia terminal

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5 Author(s)
Jae-Sik Lee ; Sch. of Electr. & Electron. Eng., Chungang Univ., Seoul ; Byoung-Il Kim ; Jae-Pil Moon ; Tae-Gyu Chang
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This paper developed power consumption profiles of mobile multimedia terminal for typical application scenarios of WCDMA communications. The power consumptions and their efficiencies are investigated for the terminal architecture featuring with the combined application of the BF antenna and the OFDM technologies. Processing MIPs requirement for media data processor is also investigated together with the evaluation of the power saving effect of applying the multi-level supply voltages and operating frequencies, which is named as a dynamic voltage scaling (DVS) technology. Average power saving of 25% can be achieved for high-speed multimedia terminals using the DVS along with the OFDM modulation scheme

Published in:

Wireless Communications and Networking Conference, 2006. WCNC 2006. IEEE  (Volume:1 )

Date of Conference:

3-6 April 2006