Nanotechnology is currently among the most promising and thriving scientific domains. It is having a strong impact on innumerable fields, such as biology, medicine, molecular engineering, organic chemistry, semiconductor physics, and of course, in computer networking and communications.

This Special Issue of the MDPI Electronics Journal will focus particularly on the field of wireless communications and networking, intending to collect the latest exciting advances and prospects in networks and communications at the nanoscale.

The ongoing relevant research projects in this field are abundant. As examples that push the field of electromagnetic nanonetworks forward, projects such as WiPLASH, TERAPOD, VISORSURF, TERANOVA, NaBoCom, CLIPEUS, ScaLeITN, and WiBEC can be mentioned.

WiPLASH focuses on wireless communications at the chip scale for large multicore processors, aiming to deliver functional flexibility to the underlying computer architecture via a wireless network-on-chip. Similarly, TERAPOD investigates the full protocol stack of THz communications for applications beyond 5G, including intra-rack and rack-to-rack communications in a data center. VISORSURF’s objective is to develop the concept of HyperSurfaces, which are smart and interconnected planar objects with programmable electromagnetic behavior, and which are expected to be enabled by wireless communication at the nanoscale while enabling future large-scale THz communication networks. The main objective of the NaBoCom project is to integrate in-body nanocommunication with out-of-body infrastructures for advancing healthcare applications. Finally, projects such as TERANOVA seek to create testbeds to enable experimental research at electromagnetic frequencies amenable to the concept of communications and networking at the nanoscale.

In terms of nanonetworking communication, these projects deal with topics such as graphene-based antennas for frequency-beam reconfiguration at THz frequencies; programmable metamaterials for next-generation antennas and wireless environments; miniaturized antenna–transceiver co-integration at submillimeter-wave frequencies; low-power reconfigurable wireless chip-scale network design; protocol design across the stack for nanonetworking; and channel models for wireless nanonetworking communications; among many others.

This Special Issue calls for high-quality submissions dealing with topics in line with those mentioned above, as well as:

- Electromagnetic (e.g., mmWave, THz) nanocommunication paradigm;
- mmWave and THz channel modelling at the nanoscale in different mediums, e.g., Free-space, In-body, On-chip;
- Nanonetworking protocol stack, i.e., physical, link, network, transport, and application layers;
- Reduced/Condensed/Integrated nanonetworking protocol stack;
- Nanoscale applications, e.g., software-defined metamaterials/metasurfaces, robotic materials, in-body healthcare, network-on-chip communication;
- Energy-related considerations, modeling, and constraints, e.g., energy harvesting, backscattering;
- End-to-End nanonetwork architectures, e.g., Internet of (Bio/Multimedia) Nano-Things;
- Nanoscale localization and tracking;
- Standardization proposals and reviews (e.g., IEEE P1906.1);
- Simulations tools, experimental testbeds, datasets, and methodologies for evaluation and benchmarking of nanoscale communication and networking approaches;
- Sensing, actuation, data processing, and storage at the nanoscale;
- Embedded, distributed, resource constrained, intermittent, and unconventional nanoscale computing and communication systems;
- Programming paradigms, languages, and tools for nanoscale computing and communication;
- Nanoscale hardware design, implementation, and performance benchmarking.

The main objective of this Special Issue is to publish a set of selected research papers that are advancing the state-of-the-art in this field and/or bringing out the prospects that it offers.

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Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access monthly journal published by MDPI.