Abstract
In order to put Radio Frequency Identification (RFID) and Wireless Sensor Network (WSN) in a hybrid system, this paper presents the design and implementation of a RFID reader/router that can obtain information of both RFID tags and WSN sensor nodes and transmit the information through the WSN to the PC server. The RFID reader and WSN router are combined with both hardware and software. In hardware structure, CC2530 is used as micro controller and RF module for ZigBee wireless communication, and MF RC522 is used as reader RF chip. The software deals with both identity and sensing information and controls the routing. Experiment results show that the RFID reader/router achieves long distance identification, flexibility, scalability, and low cost. It also provides reliable and secured data transmission and broadens the communication range and application scope of RFID readers.
Highlights
The aim of Internet of Things (IoT) is to integrate the physical and digital worlds seamlessly
The development of IoT draws a lot of attention to the integration of different interconnecting technologies, such as Radio Frequency Indentification (RFID), Wireless Sensor Networking (WSN) and 5G networks
The RFID reader/routers work as the receiver and transmitter of both identity and sensing information, and self-organize a network to relay the information to the coordinator and to the service management control center
Summary
The aim of Internet of Things (IoT) is to integrate the physical and digital worlds seamlessly. WSN is generally composed of sensor nodes, routers, a coordinator and a PC server. FFoorr tthhee fifirrsstt iinntteeggrraattiioonn aarrcchhiitteeccttuurree,, tthhee eenndd nnooddeess ccaann bbee ttrraaddiittiioonnaall RRFFIIDD ttaaggss,, ttrraaddiittiioonnaall WWSSNN sseennssoorr nnooddeess oorr aa nnoovveell nnooddee tthhaatt iinncclluuddeess iiddeennttiiffiiccaattiioonn aass wweellll aass mmoorree iinnffoorrmmaattiioonn ccaappttuurreedd bbyy sseennssoorrss [[88]]. The RFID reader/router offers the hybrid system with the capability of both identification/tracking and capture/transmitting. This design can be used in a wide range of applications. Future Internet 2018, 10, 106 capability of both identification/tracking and capture/transmitting.
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