Energy Efficient Protocol Design

The largest problem of mobile computing is based on the fact that the mobile devices are battery driven. By cramming terminals with a large number of “placebo” functionalities and capabilities like (camera, display, etc), short-range communication (Bluetooth, WLAN, etc), and higher data rates over the cellular interface, manufacturers face a serious problem: A dramatic and critical increase of energy consumption of the mobile device. This has two major impacts: first, the absolute power consumption could make active cooling of the mobile device necessary, and secondly, the standby time decreases, as the developments in battery capacity and efficiency are not as fast as the energy consumption increase. The standby time of mobile devices has been identified as the number one criteria to purchase a mobile device. Thus, a solution has to be found that decouples the problem of more complex mobile devices and the need for higher data rates, which is the enabler for new services. The goal of the research area is to find solution to reduce the energy consumption on mobile devices.

Nokia battery (3.7V)

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Last update:15-06-2007