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In this paper, a novel unified transmission framework in the context of both decode-and-forward (DF) and amplify-and-forward (AF) protocols was proposed for a two-hop multiple-input–multiple-output (MIMO) alternate half-duplex (HD) relaying system with $M$ antennas for each node, which can achieve the maximum $M$ degrees of freedom (DoFs) of the system, compared with the existing interference alignment...
Quantum secure direct communication (QSDC) aims to allow two remote parties to communicate directly without creating a private key in advance and then using it to encrypt the secret message. In this paper, a multiparty controlled secure quantum communication of d-dimensional is proposed based on d-dimensional maximally entangled Greenberger-Horne-Zeilinger (GHZ) state and teleportation. After using...
Quantum secret sharing (QSS), an important branch of quantum communication, is the generalization of classical secret sharing into quantum scenario. The secret messages are split into several parts, and each part is distributed to a separate party so that no action of a subset of all the parties without the cooperation of the entire group is able to read out the secret messages. In this paper, a quantum...
Ad hoc networks are defined as a set of sensors and configure themselves into a network upon activation and communicate with each other, which can be applied in such fields as data gathering from disaster areas or areas not accessible to human beings or larger machines. Wireless mobile networks have different considerations and limitations compared with traditional networks and hence need to be studied...
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