Efficient IEEE 802.15.4 Physical Layer System using Spatial Diversity

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2015 by IJETT Journal
Volume-19 Number-1
Year of Publication : 2015
Authors : Aditi Sharma, Asst. Prof. Pooja Gupta, Prof. Soni Changlani


Aditi Sharma, Asst. Prof. Pooja Gupta, Prof. Soni Changlani "Efficient IEEE 802.15.4 Physical Layer System using Spatial Diversity", International Journal of Engineering Trends and Technology (IJETT), V19(1),35-38 Jan 2015. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group


The IEEE 802.15.4 physical layer research is fascinated area of research and lots of research are being carried out on it. Several researches are working on to make Zigbee technology better and better in terms of error probability or end to end performance. The end to end performance makes system reliable to save energy for which IEEE 802.15.4 standard known. In this paper spatial diversity using multiple inputs multiple output (MIMO) technology is adopted to enhance the performance of the Zigbee technology. In addition of proposed spatial diversity architecture O-QPSK is adopted which better perform with the standard than other modulation techniques. The proposed system is tested for transmitters and receiver considering 2, and 4 antenna pairs and found better results.


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IEEE 802.15.4, OQPSK, Spatial Diversity and Zigbee.