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cs.IT2025
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…
eess.SP2025
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…
eess.SP2025
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…