Abstract
The Automatic Meter Reading (AMR) network for the next generation Smart Grid is required to possess many essential functions, such as data reading and writing, intelligent power transmission, and line damage detection. However, the traditional AMR network cannot meet the previous requirement. With the development of the WiFi sensor node in the low power cost, a new kind of wireless sensor network based on the WiFi technology can be used in application. In this paper, we have designed a new architecture of WiFi-based wireless sensor network, which is suitable for the next generation AMR system. We have also proposed a new routing algorithm called Energy Saving-Based Hybrid Wireless Mesh Protocol (E-HWMP) on the premise of current algorithm, which can improve the energy saving of the HWMP and be suitable for the WiFi-based wireless sensor network. The simulation results show that the life cycle of network is extended.
Highlights
Many countries have been carrying their own Smart Grid plan into reality [1, 2]
Power Line Carrier Communication (PLC) are considered to be the key technologies to build a new generation of Smart Grid Automatic Meter Reading (AMR) systems in the future
Mesh Portal can work as a gateway and provide access to other networks, Mesh Portal is similar to the sink node of wireless sensor network, Mesh Access Point (MAP) is similar to the cluster head of heterogeneous hierarchical network, and mobile client terminals are similar to the common nodes in wireless sensor network
Summary
Many countries have been carrying their own Smart Grid plan into reality [1, 2]. the focuses of their plans are different, the intellectualization of power utilization for terminal users is important work in most countries. There are many kinds of AMR communication technologies in the world such as Radio Frequency (RF) [4, 5], ZigBee-based wireless sensor network (WSN) [6,7,8], GPRS and 3G [9, 10], Power Line Carrier Communication (PLC) [11,12,13], and 485 bus Among these technologies, WSN and PLC are considered to be the key technologies to build a new generation of Smart Grid AMR systems in the future. The research work on routing protocols and security algorithm of WiFi-based wireless sensor network is much less. Simulation work on the new routing protocol has been done with NS2, and the simulation results show that the life cycle of the network is extended to some degree
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