Geometric Mean Rate Maximization in RIS-Aided mmWave ISAC Systems Relying on a Non-Diagonal Phase Shift Matrix

• Published in: IEEE open journal of the Communications Society Vol. 6; pp. 4756 - 4771
• Main Authors: Singh, Jitendra, Jagannatham, Aditya K., Hanzo, Lajos
• Format: Journal Article
• Language: English
• Published: New York IEEE 2025; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Algorithms; and geometric mean rate; Array signal processing; Base stations; Communication; Constraints; Copper; Costs; Hardware; Integrated sensing and communication; Maximization; millimeter wave; Millimeter wave communication; Millimeter waves; Optimization; Phase shift; Radar targets; Radio frequency; Reconfigurable intelligent surface; Reconfigurable intelligent surfaces; Riemann manifold; Target detection

The joint optimization of the hybrid transmit precoders (HTPCs) and reflective elements of a millimeter wave (mmWave) integrated sensing and communication (ISAC) system is considered. The system also incorporates a reconfigurable intelligent surface (RIS) relying on a non-diagonal RIS (NDRIS) phase...