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Opportunistic Content Offloading for Mobile Edge Computing

  • Hao Jiang
  • Bingqing Liu
  • Yuanyuan Zeng
  • Qian Li
  • Qimei Chen
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11344)

Abstract

It has been envisioned that future Mobile Edge Computing (MEC) paradigm is enabled with cache ability. Considering some of the content requests are highly concentrated, the popular contents will be repeatedly requested. To prevent frequent extra content request that will burden network backhaul, Base station (BS) with cache ability and even mobile user with the exact content can provide flexible content offloading on-consume. In this paper, we propose an opportunistic content offloading scheme by predicting the opportunistic content providers among mobile users and edges for MEC paradigm. At first, we propose to predict the opportunistic mobile content providers with popular contents according to historical data record. We then propose the opportunistic content offloading algorithm modeled by Stackelberg game. During the process, we consider mobile content consumer and content providers including mobile users and MEC server (e.g., BS) as the relationship of “leader-followers” in Stackelberg game. Based on the prediction of opportunistic connection with neighboring content provides, we design an iterative algorithm to reach the optimal equilibrium pricing with fast convergence. Our simulations are based on the real dataset provided by China Mobile Communications Corporation. The simulation results show our scheme can efficiently alleviate the network backhaul. During the peak hours, the number of content unloaded by our method accounts for 34.5% of the original total content load, thus effectively reducing the content overload pressure of the BS.

Keywords

Mobile edge computing Content offloading Opportunistic offloading Prediction Stackelberg game 

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Hao Jiang
    • 1
  • Bingqing Liu
    • 1
  • Yuanyuan Zeng
    • 1
  • Qian Li
    • 1
  • Qimei Chen
    • 1
  1. 1.School of Electronic InformationWuhan UniversityWuhanChina

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