Tuesday 12 September 2023

Lupine Publishers | Review of Recent Applications in 6G Communication Networks: A Descriptive Case

 Lupine Publishers | Journal of Computer Sciences & Applications


The world is on the cusp of a new communications revolution. The next generation of communication networks, known as 6G, will enable a wide range of new applications and services that are not possible with current 4G or 5G networks. In this descriptive case, we will review some of the most promising applications of 6G technology. Some of the key applications that are being developed for 6G communication networks include Digital Twin (DT), Holograms, Robot Avatar, High Density (IoT), and AR & VR. The use of these applications in 6G communication networks is not a new concept. These applications have been around for some time now and have seen various improvements over the years. However, with the advent of 6G communication networks, the use of AR and VR is expected to see a drastic change.

Keywords: Digital Twin (DT); holograms, robot avatar; high density (IoT); AR & VR; 6G

Digital Twin (DT)

Digital Twin is a virtual representation of a physical object or system used to monitor, analyze, and optimize performance [1]. It is becoming increasingly popular in a variety of industries and is expected to continue to grow. It can be used to reduce the cost of service migration, make 6G networks more secure, and create a secure, immutable, and transparent digital representation of physical objects. Challenges include the cost of implementation, complexity of data, and accuracy and reliability [2]. 6G networks use DT technology to create a virtual replica of physical objects or systems, allowing them to detect any unauthorized access or changes and take appropriate action to protect them from malicious activity [3]. This technology also makes the network more secure. For example, if a sensor detects a temperature change in a machine, the digital twin can be used to adjust the temperature to ensure optimal operation. Digital Twin in 6G is a complex system that combines the physical and digital worlds. It is composed of hardware, software, and data that creates a digital representation of a physical object or system [4]. This representation is created using data from sensors, cameras, and other sources, and is used to monitor, analyze, and control the physical object or system. The data is then stored and analyzed on a cloud-based platform, which can be used to create predictive models to anticipate future events and take proactive action. Digital twins and blockchain technology can be used together to create a secure, immutable, and transparent digital representation of physical objects [5]. This digital representation can be used to track the performance of the physical object, store and share data related to the object, and create smart contracts that are stored on a blockchain and automatically executed when certain conditions are met [6]. This can help to reduce costs and increase efficiency. Digital Twin technology is a powerful tool, but it comes with a few challenges [7]. These include the cost of implementation and maintenance, the complexity of data collection and analysis, and accuracy and reliability issues [6]. All of these require significant resources and expertise to address. Furthermore, Digital twin technology is a complex process that requires a lot of expertise and resources to collect and analyze data accurately [8]. Despite its potential, there are still issues with accuracy and reliability, and it can be difficult to keep the digital twin up to date. Additionally, the digital twin must be kept up to date in order to remain useful, which can be a challenge.


Holograms are a 3D imaging technology used to create realistic images of objects and people [9]. It is now being used to create a more immersive experience for customers, such as allowing them to interact with a customer service representative in a virtual environment [10]. This could be especially useful for customers in remote areas or who have difficulty traveling to a physical location. Furthermore, Holographic Nondestructive Testing (HNDT) is a type of non-destructive testing (NDT) that uses holography to detect flaws in materials [11]. It is used to inspect a wide variety of materials, including metals, plastics, composites, and ceramics, and is used in industries such as aerospace, automotive, and medical. HNDT is a powerful tool for detecting flaws that could lead to failure or malfunction, as well as corrosion, fatigue, and other types of damage [12]. It is an important tool for ensuring the safety and reliability of components and materials. Additionally, Hologauze is a revolutionary new technology that allows for the projection of large scale 3D holograms [13]. It is a lightweight, transparent fabric made up of tiny, reflective particles that create a 3D image when light is shone through it. It is versatile, cost effective, and easy to set up and use, making it a great choice for those on a budget or with limited technical knowledge [14]. Holograms are a new technology with a number of challenges that must be overcome before they can become mainstream. These include the cost of specialized equipment and materials, lack of standardization and compatibility, complexity of the technology, low resolution, and difficulty of interaction [15].

Robot Avatar

Robot avatars are computer-generated characters that can be used to represent a person in a virtual world [16]. They can be used for a variety of purposes, from providing a virtual presence to providing a more realistic representation of a person. They can be programmed to perform tasks such as navigating a virtual world, playing games, or providing assistance to other avatars, allowing for a more realistic interaction between people in the virtual world [17]. The use of robot avatars in 6G for service migration presents numerous challenges, such as creating a realistic avatar that can interact with humans, integrating the avatar into existing services, ensuring security and reliability, and providing a high-quality user experience [18]. These challenges require extensive research and development, technical expertise, security measures, and user testing and feedback [19]. Robot avatars and blockchain technology are two of the most promising advancements in 6G technology, with the potential to revolutionize how we interact with the world.

AI-powered robot avatars can understand and respond to human commands, while blockchain technology can securely store and transfer data [20]. This combination could lead to more efficient and cost-effective services, as well as more secure and transparent transactions.

High Density (IoT)

The Internet of Things (IoT) is a rapidly expanding network of connected devices that can communicate with each other and other networks. High-density IoT solutions are designed to provide a secure, energy efficient mesh network architecture for efficient data transmission between multiple devices [21]. These solutions are ideal for applications that require a large number of connected devices in a limited space, such as smart cities, industrial automation, and healthcare. 6G promises to bring immense potential benefits, such as faster data transmission speeds, more secure data transmission, and more efficient use of spectrum [22]. It will also enable new applications and services, such as smart cities, autonomous vehicles, and the Internet of Things (IoT), to connect millions of devices in a single area for more efficient data collection and analysis [23]. IoT devices are becoming increasingly popular and are being used to provide a variety of services [24]. By integrating these devices with blockchain technology, service providers can create a secure, distributed, and automated system for delivering services, which can provide a number of benefits such as increased security and reliability [25]. The integration of IoT and blockchain in service migration can provide a more efficient, cost-effective, and transparent system for delivering services [26]. Blockchain technology can automate the process of delivering services, reducing time and cost, and ensure that all data related to the service is visible and accessible. Integrating IoT and blockchain technology presents a number of challenges, such as scalability, security, and interoperability [27]. Scalability is a major challenge due to the large amount of data generated by IoT devices, and security is a concern as IoT devices are vulnerable to attack [28]. Interoperability is also a challenge, as IoT devices must be able to communicate with each other and with the blockchain network [29]. To address these challenges, a secure and resilient blockchain network is needed that is able to support multiple protocols and standards.


6G promises to be a faster, more reliable, and more secure wireless technology than ever before, allowing AR and VR applications to take advantage of its increased speed and reliability to provide users with an even more immersive experience. AR and VR have already been used in a variety of applications, from gaming to education to healthcare [30]. 6G networks provide users with a more immersive experience due to increased speed and reliability. This allows for more realistic graphics and smoother gameplay in gaming, virtual classrooms and teachers in real-time in education, and more accurate diagnosis and treatment of patients in healthcare [31]. 6G networks offer increased speed, reliability, and security compared to previous generations, making them ideal for AR/VR applications [32]. The combination of 6G and blockchain technology can enable secure, distributed applications with realtime, immersive experiences [33]. This could be used in a variety of contexts, such as gaming, education, and healthcare, to protect user data and privacy. The potential of 6G and blockchain technology when combined in the AR/VR space is immense [34-37]. This combination can create a powerful platform for applications, as well as new business models and secure, distributed networks for data sharing and collaboration [38]. This could enable developers to monetize their applications and create new revenue streams, as well as leverage the collective intelligence of the network.


In this essay, we reviewed the existing under-developed applications in 6G communication network that have a huge advantages in next years in different area including education, healthcare, technology, economic and businesses. These applications are digital twins, holograms, robot avatar, high density IoT and AR & VR in 6G networks. Furthermore, the characteristics, advantages and possible challenges were included as part of this essay.

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