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Varade, P. S.
- Testbed Implementation of Energy Efficient Multi Antenna System and its Performance Evaluation
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Authors
Affiliations
1 Department of Electronics and Telecommunication Engineering, Pune Institute of Computer Technology, IN
1 Department of Electronics and Telecommunication Engineering, Pune Institute of Computer Technology, IN
Source
ICTACT Journal on Communication Technology, Vol 8, No 4 (2017), Pagination: 1650-1655Abstract
With the recent development and requirement for high-speed wireless communications, the demand of energy has increased exponentially in order to support required quality of service (QoS). Multiple Input Multiple Output (MIMO) technique gaining more popularity in current communication network, since it provides advantages in terms of higher data rates and maximum capacity with the cost of more energy consumption. In this paper, QAM modulation scheme is analyzed as the best modulation scheme for the total energy required to transmit the given number of bits is reduced. A SDR testbed has been built to implement Almouti coded MIMO system using LABVIEW and Universal Software Radio Peripheral (USRP) platform. The analysis was then extended to evaluate the energy consumption of the system where it was observed that by minimizing the transmission power the energy requirement of the system gets reduced. Then the system efficiency in terms of transmit power was evaluated using USRP. It has been observed that by adjusting carrier frequency transmit power of the system gets reduced up to 25%.Finally the performance of the system is evaluated by demonstrating the effect of transmission distance, symbol rate, spectral efficiency and circuit power on energy consumption of the system using LABVIEW math script.Keywords
Energy Efficiency, MIMO, Symbol Rate, Spectral Efficiency, USRP.
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