Earticle

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영어

Future Heterogeneous Network (HetNet) will foster interoperability to achieve seamless multimedia services. To exploit the ubiquitous diversity across HetNet, Mobile Nodes (MNs) will prefer to perform Vertical Handover (VHO) for better guaranteed Quality of Experience (QoE) and optimal resource utilization. To perform VHO, the radio frequency part of the emerging wireless standards needs to accurately estimate the channel for network selection. Further in HetNet, MNs may perform VHO in group (in bus/ train) where HetNet utility increases abruptly due to simultaneous VHO requests and severely degrades the HetNet performance. Therefore, paper proposes a proactive group VHO model, whose network discovery is based on error vector magnitude (EVM) measurement which can be mobile or network controlled for optimal network selection (new attachment node). Proposed model is compared with probabilistic and non-cooperative selection schemes. Performance is evaluated in terms of link availability, packet loss rate, transmission delay, resource utilization to achieve overall optimal load balance.

목차

Abstract
 1. Introduction
 2. Literature Survey
  2.1 Conventional VHO Algorithms
  2.2 Wireless System Model
  2.3. EVM-SINR Relation
 3. Proposed VHO model
  3.1 Proposed VHO algorithm
  3.2 Resource Block Modeling
 4. Modeling and Simulation
  4.1 MC-selfish Algorithm: based on Time Window
  4.2 Mobile Controlled – Probabilistic Non-cooperative Approach
  4.3. Network Assisted Mobile Controlled (NAMC): Cooperative Approach
 5. Performance Analysis
 6. Conclusion
 7. Future Work
 References

키워드

group vertical handover GVHO QoE load balance error vector magnitude EVM cost function heterogeneous network ubiquitous multimedia link availability packet loss rate load balance and resource utilization

저자

• Rajender Kumar [ Electronics and Communication Engineering Department National Institute of Technology Kurukshetra INDIA ]
• Brahmjit Singh [ Electronics and Communication Engineering Department National Institute of Technology Kurukshetra INDIA ]

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