What Is a Nanoantenna?

Nanoscale network (Nanoscale network) is a set of hundreds of nanometers or up to a few microns on the order of connected devices. It can only perform some very simple tasks such as computing, data storage and driving.

Nano network

Right!

Nanoscale network (Nanoscale network) is a set of hundreds of nanometers or up to a few microns on the order of connected devices. It can only perform some very simple tasks such as computing, data storage and driving.

Chinese name

Nano network

Foreign name

Nanoscale network

Types of

Network of connected devices

Application

Environmental research, military technology, industry

Nanoscale network (Nanoscale network) is a set of hundreds of nanometers or up to a few microns on the order of connected devices. It can only perform some very simple tasks such as computing, data storage and driving.

As nanonetworks allow them to coordinate, share, and fuse information, it is expected to expand the capabilities of single nanomachines in terms of complexity and operation. Nanonetworks have gained new applications in the fields of nanotechnology, environmental research, military technology, industrial and consumer products in the field of biomedicine.

Method of communication

In the nanometer category, the classic communication paradigm needs to be modified. The two main alternatives in the nanometer category are: electromagnetic or molecular based communication.

Electromagnetic communication

This type of communication is defined as the communication in which components composed of new nanomaterials transmit and receive electromagnetic radiation, called electromagnetic communication. Recent advances in carbon and molecular electronics have opened the door to a new generation of nanoelectronic components such as nanobatteries, nanoenergy systems, nanomemory, nanologic circuits, and even nanoantennas. From a communication perspective, the unique properties of nanomaterials will determine the bandwidth of electromagnetic radiation, the lag of emission time, or the magnitude of the emission to an existing energy input.

At present, there are two main alternatives to nano-electromagnetic communication. First, it has been experimentally proven that nano-radio can receive and demodulate electromagnetic waves; that is, an electrical resonance carbon nanotube can decode the amplitude and frequency of modulated waves. Second, graphene-based nano-antennas have been used as potential electromagnetic transmitters in the terahertz range.

2. Molecular communication

The definition of molecular communication is: use molecular transmission or reception to communicate. According to the different ways of molecular transmission, molecular communication can be divided into three types: communication based on behavior, flow based and diffusion based.

(1) Communication based on molecular behavior: Communication in which molecules are transmitted by a carrier substance, such as a predetermined pathway of a molecular motor.

(2) Communication based on molecular flow: Communication in which molecules diffuse and propagate through a fluid medium; and the flow direction of a fluid medium is predetermined. The communication of hormones through the blood in the body is an example of this type of transmission. Flow-based propagation can also be achieved with carriers; these carriers are also subject to predetermined restrictions. Pheromones long-range molecular communication is a good example of such communication.

(3) Molecular communication based on diffusion:

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