The design of low-power wireless sensor node

The power consumption of nodes determines the lifetime of the wireless sensor network. Thus, the design of low-power node is very important. With analysis and comparison to various chips in market, we choose MSP430F2618 and CC2520 to build the low-power and high-performance wireless sensor node. The low-power design and control strategy are also considered during the development. We measure and analyze the current consumptions and communication ranges of the node in different working conditions. The experiment results show that the new design has good low-power characteristic and communication performance.