Integrated Sensing and Communication Beamforming under Transmit Beam Pattern Radar Performance Constraint 


Vol. 51,  No. 3, pp. 657-660, Mar.  2026
10.7840/kics.2026.51.3.657


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  Abstract

In this work, we introduce a novel beamforming framework for joint communication and radar operations in multi-user, multi-target ISAC systems, leveraging channel covariance information. The objective is to enhance spectral efficiency (SE) while satisfying radar performance requirements. We set radar performance as mean squared error (MSE) of the transmitted beam. By employing spatial channel covariance to approximate ergodic SE, the non-convex optimization problem is transformed into a nonlinear eigenvalue problem (NEPv), which is addressed through power iteration and bisection methods. Numerical simulations demonstrate the superior performance of the proposed approach.

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[IEEE Style]

S. Park, E. Choi, J. Choi, "Integrated Sensing and Communication Beamforming under Transmit Beam Pattern Radar Performance Constraint," The Journal of Korean Institute of Communications and Information Sciences, vol. 51, no. 3, pp. 657-660, 2026. DOI: 10.7840/kics.2026.51.3.657.

[ACM Style]

Seokjun Park, Eunsung Choi, and Jinseok Choi. 2026. Integrated Sensing and Communication Beamforming under Transmit Beam Pattern Radar Performance Constraint. The Journal of Korean Institute of Communications and Information Sciences, 51, 3, (2026), 657-660. DOI: 10.7840/kics.2026.51.3.657.

[KICS Style]

Seokjun Park, Eunsung Choi, Jinseok Choi, "Integrated Sensing and Communication Beamforming under Transmit Beam Pattern Radar Performance Constraint," The Journal of Korean Institute of Communications and Information Sciences, vol. 51, no. 3, pp. 657-660, 3. 2026. (https://doi.org/10.7840/kics.2026.51.3.657)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880