Abstract
Wireless sensor network (WSN) is a group of interconnected sensor nodes that work wirelessly to capture the information of surroundings. The routing of the network is a challenging task. The routing of WSN is classified as proactive, reactive, and hybrid. Adhoc on-demand distance vector (AODV) routing is an example of reactive routing based on the demand route formations among different nodes in the network. The research article emphasizes the design and simulation of the AODV routing hardware chip using very-high-speed integrated circuit hardware description language (VHDL) programming in Xilinx integrated synthesis environment (ISE) 14.7 software. The performance of the chip is studied based on the field-programmable gate array (FPGA) hardware parameters such as slices, lookup table (LUTs), input/output block (IOB), flip-flops, and memory for the different configurations of the network (N = 10, 20 ….100). The delay and frequency are also estimated on the Virtex-5 FPGA. The performance of the WSN with AODV routing is also analyzed based on the packet delivery ratio, throughput, delay, and control overhead. The simulation test cases verified the 8-bit, 64-bit, and 128-bit data communication within the nodes.
Highlights
The wireless sensor network is an infrastructure-less organized wireless network [1], used in a large space by deploying the wireless sensors in an ad-hoc way that can be used to monitor the physical, system, or environmental conditions
The performance of the chip is studied based on the field-programmable gate array (FPGA) hardware parameters such as slices, lookup table (LUTs), input/output block (IOB), flipflops, and memory for the different configurations of the network (N = 10, 20 ....100)
The steps are: design constraints, algorithm selection, modeling approach, register transfer level (RTL) analysis, function simulation and data communication with test benches FPGA synthesis, hardware parameters report analysis, and perform comparative analysis [22] based on performance indices
Summary
The wireless sensor network is an infrastructure-less organized wireless network [1], used in a large space by deploying the wireless sensors in an ad-hoc way that can be used to monitor the physical, system, or environmental conditions. The WSN consist of several nodes with the onboard processor to manage and monitor the environmental conditions in a specific area. The nodes are connected to the main processing unit or the base station in the WSN System. The base station is connected to the internet to share the information among the nodes. The Components of WSN are sensors, radio nodes, wireless local. The radio nodes receive the information processed by the sensors and process it into the wireless LAN access points. It is a transceiver, power source, microcontroller-based system, or a memory element. The wireless LAN access points receive the data of radio nodes through the internet. The evaluation software process the data of wireless LAN access points. The sensor nodes are limited in computational capabilities, power, and memory
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