Advances in Communication Signal Processing

Dear Colleagues,

With the rapid development of wireless communications, new intelligent applications such as machine-type communication, connected robotics, extended reality, and autonomous driving, have become part of our daily lives and affect us profoundly. As a consequence, the future wireless networks require massive connectivity levels with extremely high data rates. For instance, the International Data Corporation forecasts that in 2025 there will be 55.7 billion connected devices, most of which will be Internet of Things devices, generating 73.1 zettabytes of data, which exacerbates the scarcity of spectrum resources. In this regard, it is necessary to develop intelligent multiple access technologies for future wireless networks to realize massive connectivity with a higher spectral efficiency. Additionally, the era of future wireless networks demands simultaneous sensing and communication. For example, concurrent blind-spot obstacle detection and inter-user communications are required to support risk-free and reliable driving experience in vehicular networks. In this context, the joint design of intelligent sensing and communication is essential to achieving highly accurate sensing and high data transmission rates and simultaneously meet the requirements of these new emerging services and applications.

In addition, confidential messages may be compromised by malicious attacks from unauthorized entities in future wireless networks. Specifically, the proliferation of network entities elevates compromise risks, where authenticated users become vulnerable to adversarial takeover. To this end, new security techniques such intelligent physical-layer security and covert communications could provide promising solutions to prevent malicious attacks in future wireless networks.

Therefore, the design of advances in communication signal processing will require the use of one or more of these aspects in the near future:

• Intelligent signal processing for multiple access technologies;
• Intelligent security techniques for future communication signal processing;
• Intelligent signal processing for joint sensing and communications;
• Reconfigurable intelligent surfaces for the integrated sensing and communication;
• AI/ML/FL/cloud/computing-enabled integrated sensing and communication systems;

Dr. Weijie Tan
Dr. Peishun Yan
Dr. Weiqiang Tan
Guest Editors

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• wireless security
• intelligent singal processing
• multiple access
• sensing and communication
• covert communication
• physical-layer security