Relay Deployment for AF-MIMO Two-Way Relaying Networks with Antenna Selection

Abstract

In this paper the outage-optimal relay deployment problem for amplify-and-forward (AF) multi-input multi-output (MIMO) two-way relaying network with antenna selection is studied. By utilizing an approximation of the outage probability, the outage-optimal relay location is shown feasible. On this basis a relay deployment scheme is developed by providing the near-optimal relay position in an approximate closed form. Theoretical analysis shows that the optimal relay position is affected by the number of antennas at sources but independent of the number of antennas at the relay. Simulations confirm the theoretical analysis and show the performance gain achieved by the developed relay deployment scheme.

Optimization of artificial bee colony deployment based on rapid depth-first search

“…Literature [6] 6 analyzed the effect of UAV attitude swing angle on relay communication in a windy flight environment. Literature [7] 7 investigates the problem of interrupt-optimal relay deployment for AF -MIMO two-way relay networks with antenna selection, and demonstrates the feasibility of interrupting the optimal relay location by using an approximation of the interruption probability. Literature [8] 8 proposed a topology construction algorithm based on Particle Swarm Optimization (PSO) algorithm to ensure communication between the Ground Control Station (GCS) and each mission UAV performing a given task.…”

“…After finding a new nectar source, the RDFS algorithm is used to check whether the location of the new relay node meets the connectivity requirements; if it does, the size of the fitness value of the new nectar source can be calculated by (8); if it doesn't, the neighbouring nectar sources are re-found according to (7).…”

“…Observer bees select the location of the nectar source based on the magnitude of the yield, and then use Equation (7) to generate neighbouring nectar sources and calculate the fitness value. As in the case of employment bees, a greedy algorithm is used to retain the better nectar source.…”