Massive access, also known as massive connectivity or massive machine-type
communication (mMTC), is one of the main use cases of the fifth-generation (5G) and …

In recent years, unmanned aerial vehicles (UAVs) have received considerable attention from
regulators, industry and research community, due to rapid growth in a broad range of …

Automatic modulation classification is an essential and challenging topic in the development
of cognitive radios, and it is the cornerstone of adaptive modulation and demodulation …

Although the reconfigurable intelligent surface (RIS) technology is envisioned promising to
enhance communication from all aspects, including physical-layer security, increasing …

Directional Modulation (DM) techniques provide wireless communication security against
passive eavesdrop** by means of specific physical layer characteristics. The original …

IRS is of low-cost and energy-efficiency and will be a promising technology for the future
wireless communications like sixth generation. To address the problem of conventional DM …

In this letter, an intelligent reflecting surface (IRS)-aided secure wireless information and
power transfer system is studied. To maximize the harvested power of energy harvesting …

Recently, near-field communications (NFCs) have drawn great attention for the near-field
region expansion in the context of extremely large-scale (XL) antenna arrays, tremendously …

In this paper, we consider deploying an intelligent reflecting surface (IRS) to enhance the
downlink (DL) energy transfer and uplink (UL) information transmission efficiency for secure …

In this work, we adopt channel inversion power control (CIPC) to achieve covert
communications aided by a full-duplex receiver. Specifically, the transmitter varies the power …