Embedded Sensor Node for Wireless Network and Control System using CMOS RF Transmitter For Telecom Applications
Journal Title: IOSR Journal of Electronics and Communication Engineering(IOSR-JECE) - Year 2018, Vol 13, Issue 3
Abstract
Multi purpose wireless sensors node for wireless network and control system using CMOS QPSK RF transmitter is proposed. Embedded systems are often distributed and deployed in various environments. Wireless nodes attached to circuits or appliances sense the current and/or control the usage. Wireless sensor networks are application-specific, so they have to involve both software and hardware. The added contributions to this work is, portability of the system, compact, customizable according to the application needs, allow for higher degrees of security and data encryption, and allow for routing thus extending the coverage area. The system makes a good utilization of the BW using variable length frames. Proteus circuit simulation program is used with actual frame for the proposed bit frame generation. The presented system can be used in various fields including but not limited to: Irrigation and agricultural systems, Telecom applications for small range communication.ButSystem limitation is the number of sensors is limited in count. The bit rate is limited to 300Kbps according to the RF Module limitations. Max distance between the nodes is in the range of 20KM in (line of site) LOS and 1.5 to 2 KM in NLOS, thus limiting the max coverage area in high density areas and zones. The QPSK transmitter has been designed using UMC 130nm CMOS technology 1.2V supply, system simulation for data rate 10MBps. The transmitter has total power dissipation 1mW.The RF Module operating at Dual Frequency Band 902-928 MHz.
Authors and Affiliations
Hafez Fouad, Heba Shawky
Keywords
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- EP ID EP439202
- DOI 10.9790/2834-1303034352.
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