Quantum multi-hop teleportation is important in the field of quantumcommunication. In this study, we propose a quantum multi-hop communicationmodel and a quantum routing protocol with multi-hop teleportation for wirelessmesh backbone networks. Based on an analysis of quantum multi-hop protocols, apartially entangled Greenberger--Horne--Zeilinger (GHZ) state is selected asthe quantum channel for the proposed protocol. Both quantum and classicalwireless channels exist between two neighboring nodes along the route. With theproposed routing protocol, quantum information can be transmitted hop by hopfrom the source node to the destination node. Based on multi-hop teleportationbased on the partially entangled GHZ state, a quantum route established withthe minimum number of hops. The difference between our routing protocol and theclassical one is that in the former, the processes used to find a quantum routeand establish quantum channel entanglement occur simultaneously. The Bell statemeasurement results of each hop are piggybacked to quantum route findinginformation. This method reduces the total number of packets and the magnitudeof air interface delay. The deduction of the establishment of a quantum channelbetween source and destination is also presented here. The final successprobability of quantum multi-hop teleportation in wireless mesh backbonenetworks was simulated and analyzed. Our research shows that quantum multi-hopteleportation in wireless mesh backbone networks through a partially entangledGHZ state is feasible.
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