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Coupled RF signal cancellation based transceiver arrangement for backscatter communication

Agarwal, Akash and Machnoor, Manjunath and Kumar, Ritesh and Javed, G S and Vathsala, G A (2016) Coupled RF signal cancellation based transceiver arrangement for backscatter communication. In: IEEE MTT-S International Microwave and RF Conference (IMaRC), DEC 05-09, 2016, New Delhi, INDIA.

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Official URL: http://dx.doi.org/10.1109/IMaRC.2016.7939611

Abstract

The isolation between Tx and Rx port is essential for long range backscatter communication. Coupler has long been used to isolate transmitter and receiver ports but isolation offered by a microstrip coupler is limited. This work proposes a transceiver system at 2.45 GHz with an isolation better than 75 dB between transmit and receive ports. The system comprises of novel arrangement of power dividers, couplers, patch antennas with a lambda/2 line for RF cancellation. RF cancellation technique is used in the current system to achieve additional isolation. The positioning of lambda/2 line also results in unique Transmit and receive radiation pattern and antenna coupling cancellation along with additional 30 dB isolation.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belongs to the IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Depositing User: Id for Latest eprints
Date Deposited: 29 Jul 2017 10:20
Last Modified: 29 Jul 2017 10:20
URI: http://eprints.iisc.ac.in/id/eprint/57524

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