Securing the Sensing Functionality in ISAC Networks: An Artificial Noise Design

no code implementations • 2 Dec 2023 • Jiaqi Zou, Christos Masouros, Fan Liu, Songlin Sun

Integrated sensing and communications (ISAC) systems employ dual-functional signals to simultaneously accomplish radar sensing and wireless communication tasks.

Energy-Efficient Beamforming Design for Integrated Sensing and Communications Systems

no code implementations • 8 Jul 2023 • Jiaqi Zou, Songlin Sun, Christos Masouros, Yuanhao Cui, Yafeng Liu, Derrick Wing Kwan Ng

In this paper, we investigate the design of energy-efficient beamforming for an ISAC system, where the transmitted waveform is optimized for joint multi-user communication and target estimation simultaneously.

Heterogeneous graph neural network for power allocation in multicarrier-division duplex cell-free massive MIMO systems

no code implementations • 1 May 2022 • Bohan Li, Lie-Liang Yang, Robert G Maunder, Songlin Sun, Pei Xiao

In-band full duplex cell-free (CF) systems suffer from severe self-interference and cross-link interference, especially when CF systems are operated in distributed way.

Exciting-Inhibition Network for Person Reidentification in Internet of Things

no code implementations • IEEE Internet of Things Journal 2021 • Meixia Fu, Songlin Sun, Qilian Liang, Xiaoyun Tong, Qiang Liu

Index Terms—Channel-spatial attention block (CSAB), exciting-inhibition network (EINet), Internet of Things (IoT), person reidentification (re-ID), soft batch dropblock.

Person Re-Identification