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Antenna Beam Steering For Wireless Sensors Using Real Time Phase Shifter
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As part of the increasing demand for accurate, secure and robust short range wireless sensors for Smart Grid systems, we present the design and the simulation of phased array transmitter with variable delay based phase shifters. Multiple antennas are used to achieve beam steering using active beamforming technique. Our design exploits the multiple signal paths. In addition, the transmitter will provide feasible directional point-to-point communication networks via transmitting the signal to the preferred receiver with the desired coverage. The sensitivity and the accuracy of the system are enhanced in terms of object identification and location, respectively. This wireless sensor appears well suited for use in Smart Grid technologies operating at 2.4GHz ISM band with 250kbps data rate capacity where minimum cost and high integration are valued.
SubjectAnalog Integrated Circuit, Antenna Beam Steering
Delay Locked Loop
Saha, S.; Unnikrishna, U.; Khanna, P.; Al-Attar, T. (2010). Antenna Beam Steering For Wireless Sensors Using Real Time Phase Shifter. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from