Abstract
There has been an exponential rise in mobile data traffic in recent times due to the increasing popularity of portable devices like tablets, smartphones, and laptops. The rapid rise in the use of these portable devices has put extreme stress on the network service providers while forcing telecommunication engineers to look for innovative solutions to meet the increased demand. One solution to the problem is the emergence of fifth-generation (5G) wireless communication, which can address the challenges by offering very broad wireless area capacity and potential cut-power consumption. The application of small cells is the fundamental mechanism for the 5G technology. The use of small cells can enhance the facility for higher capacity and reuse. However, it must be noted that small cells deployment will lead to frequent handovers of mobile nodes. Considering the importance of small cells in 5G, this paper aims to examine a new resource management scheme that can work to minimize the rate of handovers for mobile phones through careful resources allocation in a two-tier network. Therefore, the resource management problem has been formulated as an optimization issue that we aim to overcome through an optimal solution. To find a solution to the existing problem of frequent handovers, a heuristic approach has been used. This solution is then evaluated and validated through simulation and testing, during which the performance was noted to improve by 12% in the context of handover costs. Therefore, this model has been observed to be more efficient as compared to the existing model.
Highlights
Information and Communication Technology (ICT) make significant use of wireless technologies for communication
The user equipment (UE) for this mobile network is included with three categories, ψ = {V, U, F}, users with vehicular speeds, users with low speed, and fixed type of users where the vehicular user is mentioned by the set of V = {V1, V2, . . . , Vn}, the low-speed user is denoted by the set of U = {U1, U2, . . . , U }, and the fixed user is indicated by the set of U = {U1, U2, . . . , U }
7 Conclusion The key strategy for increasing the capacity of the 5G network is known as small cell densification
Summary
Information and Communication Technology (ICT) make significant use of wireless technologies for communication. The concept of small cells poses a challenge for 5G networks as they offer a small area of coverage that has more frequent handovers This challenge requires effective cell management; otherwise, improperly configured connection drop-outs along with an increased number of handovers can cause problems in the provision of solid Quality of Service (QoS). The solution presented in this research is based on the hypothesis that larger cells should support the high mobility mobile nodes in order to minimize the handover rate This hypothesis has been made with the condition that enough available resources can be provided to all mobile nodes (mobile and fixed) to satisfy. 2) The resource management challenge is developed by a problem of multi-objective optimization where the main aim is to reduce the number of handovers and power consumption and increase average throughput.
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