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Multiuser MIMO Sequential Beamforming with Full-duplex Training
Xu Du, John Tadrous, Ashutosh Sabharwal
Multiple transmitting antennas can considerably increase the downlink spectral efficiency by beamforming to multiple users at the same time. However, multiuser beamforming requires…
Leveraging One-hop Information in Massive MIMO Full-Duplex Wireless Systems
Wenzhuo Ouyang, Jingwen Bai, Ashutosh Sabharwal
We consider a single-cell massive MIMO full-duplex wireless communication system, where the base-station (BS) is equipped with a large number of antennas. We consider the setup whe…
SoftNull: Many-Antenna Full-Duplex Wireless via Digital Beamforming
Evan Everett, Clayton Shepard, Lin Zhong +1
In this paper, we present and study a digital-controlled method, called SoftNull, to enable full-duplex in many-antenna systems. Unlike most designs that rely on analog cancelers t…
Spatial Self-Interference Isolation for In-Band Full-Duplex Wireless: A Degrees-of-Freedom Analysis
Evan Everett, Ashutosh Sabharwal
The challenge to in-band full-duplex wireless communication is managing self-interference. Many designs have employed spatial isolation mechanisms, such as shielding or multi-anten…
Multiuser MIMO Beamforming with Full-duplex Open-loop Training
Xu Du, John Tadrous, Chris Dick +1
In this paper, full-duplex radios are used to continuously update the channel state information at the transmitter, which is required to compute the downlink precoding matrix in MI…