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SDR based test bench to evaluate analog cancellation techniques for In-Band Full-Duplex transceiver

Publié le 29 mars 2018
SDR based test bench to evaluate analog cancellation techniques for In-Band Full-Duplex transceiver
Auteurs
Rosson P., Dassonville D., Popon X., Mayrargue S.
Year2017-0447
Source-Title2017 5th International Workshop on Cloud Technologies and Energy Efficiency in Mobile Communication Networks, CLEEN 2017
Affiliations
CEA, LETI, MINATEC Campus, Grenoble, France
Abstract
In-Band Full-Duplex transmissions are promising solutions for wireless 5G small cell communication scenarios. It allows to increase the overall capacity under certain conditions. In this paper we evaluate two combined techniques to mitigate the analog self-interference. Instead of using high performance components with high linearity and high bandwidth for a frequency band, a single SDR chip has been chosen. Based on its characteristics and its simple architecture, a compact and low complexity test bench is proposed to reduce the undesired self-interference. The analog self-interference cancellation reaches 71 dB over 40 MHz bandwidth with a transmitted power of 12 dBm. © 2017 AEIT.
Author-Keywords
Analog Self-Interference Cancellation (SIC), In-Band Full-Duplex (IBFD), Software Defined Radio (SDR)
Index-Keywords
Bandwidth, Energy efficiency, Frequency bands, Green computing, Mobile telecommunication systems, Radio transceivers, Cancellation techniques, Combined techniques, Full-duplex, Full-duplex transmissions, High-performance components, Self-interferences, Software-defined radios, Transmitted power, Software radio
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