Full-Duplex Cloud Radio Access Networks: An Information-Theoretic Viewpoint

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Provided by: Cornell University
Topic: Cloud
Format: PDF
The conventional design of cellular systems prescribes the separation of uplink and downlink transmissions via time-division or frequency-division duplex. Recent advances in analog and digital domain self-interference interference cancellation challenge the need for this arrangement and open up the possibility to operate base stations, especially low-power ones, in a full-duplex mode. As a means to cope with the resulting downlink-to-uplink interference among base stations, this letter investigates the impact of the Cloud Radio Access Network (CRAN) architecture. The analysis follows an information theoretic approach based on the classical Wyner model.
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