Non-orthogonal Transmission Technologies for Ubiquitous Sensor Networks

Dear Colleagues, 

Future sensor networks will witness a paradigm shift towards heterogeneous devices, massive connections, and ubiquitous distributions as we progress towards 2030. Existing wireless transmission technologies suffer from restricted connectivity, expandability and spectral efficiency. There is a growing interest in technologies capable of overcoming these challenges. Non-orthogonal transmission techniques allow multiple users to share the same transmission media, providing additional degrees of freedom for efficient communication. The aforementioned requirements for future sensor networks could be fulfilled by the novel non-orthogonal physical-layer technologies (e.g., non-orthogonal multiple access, waveforms and precoding). Novel recently developed ideas have triggered the evolution of transmission technologies for future ubiquitous sensor networks. This Special Issue of Sensors aims to collect state-of-the-art research papers on topics including but not limited to non-orthogonal transmission techniques and technologies for future ubiquitous sensor communications.

Sensors are used to collect data of interest in diversified scenarios, which enable smart cities and other ubiquitous monitoring applications. This Special Issue focuses on the transmission of data collected by sensors. Since sensor networks usually operate in the unlicensed spectrum, the available wireless resources for data transmission are scarce, especially when a large number of sensor nodes are deployed. Non-orthogonal transmission technologies can effectively improve the efficiency of transmission and resource utilization, and enable simultaneous connections. This is particularly attractive for supporting the massive connectivity of future ubiquitous sensor networks.

Dr. Neng Ye
Dr. Aihua Wang
Dr. Chao Zhu
Guest Editors

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