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Traffic Offloading in Multicast Device-to-Device Cellular Networks: A Combinatorial Auction-Based Matching Algorithm.

Devarani Devi Ningombam1, Seokjoo Shin2

  • 1Department of Information Strategy, Electronics and Telecommunications Research Institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 34129, Korea.

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Summary
This summary is machine-generated.

This study introduces a novel spectrum management technique for multicast device-to-device (D2D) cellular networks. It enhances data rates and spectrum efficiency by optimizing resource reuse between cellular and D2D users.

Keywords:
Lagrange relaxation techniquecellular networkscombinatorial auction-based matching algorithmfractional frequency reusemulticast device-to-device communication

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Area of Science:

  • Wireless communication networks
  • Mobile computing
  • Telecommunications engineering

Background:

  • Multicast device-to-device (D2D) cellular networks are a growing research area.
  • Increased video and audio streaming drives demand for efficient spectrum management.
  • Existing methods face challenges with data traffic and communication overhead in non-orthogonal scenarios.

Purpose of the Study:

  • To address data traffic and communication overhead in multicast D2D networks.
  • To propose a smart spectrum management policy using fractional frequency reuse (FFR).
  • To optimize resource reuse between cellular and D2D users while meeting Quality of Service (QoS) requirements.

Main Methods:

  • Utilizing a fractional frequency reuse (FFR) technique for spectrum division and reuse.
  • Applying Lagrange relaxation to solve a non-convex optimization problem.
  • Employing a combinatorial auction-based matching algorithm for partner selection.

Main Results:

  • Achieved higher data rates and improved spectrum efficiency.
  • Demonstrated increased traffic offload rates and enhanced coverage probability.
  • Showcased lower computational complexity compared to existing methods.

Conclusions:

  • The proposed method effectively manages spectrum resources in multicast D2D networks.
  • It balances the needs of conventional cellular and D2D users, optimizing system performance.
  • This approach offers a viable solution for managing increasing data traffic in cellular networks.