# FAIDM for Medical Privacy Protection in 5G Telemedicine Systems
###### Abstract  
5G networks have an efficient effect in energy consumption and provide a quality experience to many communication devices. Device-to-device communication is one of the key technologies of 5G networks. Internet of Things (IoT) applying 5G infrastructure changes the application scenario in many fields especially real-time communication between machines, data, and people. The 5G network has expanded rapidly around the world including in healthcare. Telemedicine provides long-distance medical communication and services. Patient can get help with ambulatory care or other medical services in remote areas. 5G and IoT will become important parts of next generation smart medical healthcare. Telemedicine is a technology of electronic message and telecommunication related to healthcare, which is implemented in public networks. Privacy issue of transmitted information in telemedicine is important because the information is sensitive and private. In this paper, 5G-based federated anonymous identity management for medical privacy protection is proposed, and it can provide a secure way to protect medical privacy. There are some properties below. (i) The proposed scheme provides federated identity management which can manage identity of devices in a hierarchical structure efficiently. (ii) Identity authentication will be achieved by mutual authentication. (iii) The proposed scheme provides session key to secure transmitted data which is related to privacy of patients. (iv) The proposed scheme provides anonymous identities for devices in order to reduce the possibility of leaking transmitted medical data and real information of device and its owner. (v) If one of devices transmit abnormal data, proposed scheme provides traceability for servers of medical institute. (vi) Proposed scheme provides signature for non-repudiation. t 2021 11 1155 11.1.11.11.11.11.11.1.11.11.11.11.1.11.11.1.11.11.1.11.1.11.11.11.1.11.11.11.11.11.11.11.1.11.11.11.11.11.1.11.11.11.11.11.11.11.11.11.1  
connects virtual systems to cloud environments through artificial intelligence and helps derive different calculating models [6]. 5G will totally change connected services and devices through higher reliability, connectivity, and cloud storage [6]. Because 5G network is a multi-server environment, conventional schemes for single server structure are not suitable [3]. Many reasons lead to multi-server environment requirements including load balance, expanded coverage, and security [3]. IoT becomes a focus because of being predicted to be an important component of 5G networks [1]. IoT applying 5G infrastructure changes application scenario in many fields especially real-time communication between machines, data, and people [7]. Moreover, 5G network can work with amount of IoT devices [7]. We can see a form of 5G-based IoT networks which assembles smart phone, virtual reality, sensors, and other numerous wireless communication devices [3]. As the result, IoT with 5G technology influences social life largely [3]. Nowadays, medical healthcare systems face many challenges, such as infrastructure, connections, professional requirements, data management, and real-time monitoring [8]. About 40% countries have less than one doctor for one thousand population and less than 18 sickbeds for ten thousand population according to global survey data from 2005 to 2015 [8,9]. 5G networks have expanded rapidly around the world including in healthcare [5]. Internet of things (IoT) with a 5G environment provides solutions for network layers, including enhancing quality of service, router and jamming control, and resource optimization, to solve some challenges of smart medical healthcare [1]. [PERSON] et al. utilized a smart phone to continuously monitor chronic patients in IoT with a 5G environment [10]. [PERSON] et al. proposed a mobile medical system based on IoT with a 5G environment to continuously evaluate and monitor diabetes patients [11]. This augers a new and reliable business model of medical health with 5G technology.