REDUCING POWER CONSUMPTION IN A NETWORK OF iMOTE2/TINYOS SENSOR NODES

Wireless sensor networks (WSNs) are one of the fastest changing ICT related areas both in industry and research fields, having a big impact on modern society. Nevertheless, designing a WSN requires considering a set of constraints and low energy is one of the most important of them [1]. From previous approaches we saw that the energy efficiency issue is addressed at different levels, including MAC and network protocols, physical layer communication, operating system, algorithms, etc. All these should be able to dynamically adapt in order to minimize power consumption [2]. Therefore, several optimizations have been proposed such as adaptive modulations and power, MAC protocols such as T-MAC, S-MAC, BMAC, power aware routing algorithms like SPIN or LEACH, etc [2].