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In-Band Full-Duplex Wireless: Challenges and Opportunities
Ashutosh Sabharwal, Philip Schniter, Dongning Guo +3
In-band full-duplex (IBFD) operation has emerged as an attractive solution for increasing the throughput of wireless communication systems and networks. With IBFD, a wireless termi…
Self-Interference Cancellation with Phase Noise Induced ICI Suppression for Full-Duplex Systems
Elsayed Ahmed, Ahmed M. Eltawil, Ashutosh Sabharwal
One of the main bottlenecks in practical full-duplex systems is the oscillator phase noise, which bounds the possible cancellable self-interference power. In this paper, a digitald…
Self-Interference Cancellation with Nonlinear Distortion Suppression for Full-Duplex Systems
Elsayed Ahmed, Ahmed M. Eltawil, Ashutosh Sabharwal
In full-duplex systems, due to the strong self-interference signal, system nonlinearities become a significant limiting factor that bounds the possible cancellable self-interferenc…
An Upper Bound on the Capacity of Vector Dirty Paper with Unknown Spin and Stretch
David T. H. Kao, Ashutosh Sabharwal
Dirty paper codes are a powerful tool for combating known interference. However, there is a significant difference between knowing the transmitted interference sequence and knowing…
Rate Gain Region and Design Tradeoffs for Full-Duplex Wireless Communications
Elsayed Ahmed, Ahmed Eltawil, Ashutosh Sabharwal
In this paper, we analytically study the regime in which practical full-duplex systems can achieve larger rates than an equivalent half-duplex systems. The key challenge in practic…
Passive Self-Interference Suppression for Full-Duplex Infrastructure Nodes
Evan Everett, Achaleshwar Sahai, Ashutosh Sabharwal
Recent research results have demonstrated the feasibility of full-duplex wireless communication for short-range links. Although the focus of the previous works has been active canc…