5 papers
Active MIMO Sensing With Exploration-Exploitation Tradeoff
Nadim Ghaddar, Kareem M. Attiah, Wei Yu
This paper develops an active sensing framework for designing the transmit and receive beamformers of a multiple-input multiple-output (MIMO) radar system. In the proposed techniqu…
Uplink-Downlink Duality for Beamforming in Integrated Sensing and Communications
Kareem M. Attiah, Wei Yu
This paper considers the beamforming and power optimization problem for a class of integrated sensing and communications (ISAC) problems that utilize the communication signals simu…
How Many Simultaneous Beamformers are Needed for Integrated Sensing and Communications?
Kareem M. Attiah, Wei Yu
Consider a downlink integrated sensing and communications (ISAC) system in which a base station employs linear beamforming to communicate to users, while simultaneously uses se…
RIS-Assisted Joint Sensing and Communications via Fractionally Constrained Fractional Programming
Yiming Liu, Kareem M. Attiah, Wei Yu
This paper studies an uplink dual-functional sensing and communication system aided by a reconfigurable intelligent surface (RIS), whose reflection pattern is configured to trade-o…
Coded Downlink Massive Random Access and a Finite de Finetti Theorem
Ryan Song, Kareem M. Attiah, Wei Yu
This paper considers a massive connectivity setting in which a base-station (BS) aims to communicate sources to a randomly activated subset of users, among a…