Location-aware Secutiry and Privacy in 5G Wireless Networks

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The next generation wireless networks, dubbed 5G, provide higher bandwidth, lower latency, and better connectivity, supporting billions of interconnected communicating nodes, ranging from devices of a user, to sensors and autonomous machines. Three main enablers of the next generation wireless services are the heterogeneous (multi-tier) networks known as HetNet, millimetre wave (mmWave) radio spectrum, and massive multiple-input multiple-output (MIMO) antennas at mmWave. Providing security and trust in this environment while crucial, is particularly challenging because of the ability of malicious nodes to present fake identities, and eavesdrop, manipulate and jam the communication. The primary security challenges facing a node in a 5G system are: (i) identifying trustable nodes to connect to and, (ii) ensuring confidentiality and reliability of communication, and secure access to services. Physical layer properties of wireless systems provide a rich set of resources for system designers to enhance security and privacy of communication at affordable cost, complementing cryptographic security that are provided at the higher layer of communication stack. The goal of this project is to use the location-related information of the node for enhancing secure access. Location-related information can be securely realized by tapping into technologies such as massive MIMO and beam forming, that will become widely available in future networks, and be used to can significantly enhance trust on nodes' claimed identities and their access requests, by verifying their location information. Our research will have two complementary prongs:-- Developing theories, models and techniques for providing trustable location-related information, and employing this information to guarantee secure access to services;-- Developing communication technologies including massive MIMO at mmWave, coding and modulation to implement and experimentally validate the theoretical results, in practice.