WiFi offloading using the device-to-device (D2D) communication paradigm based on the Software Defined Network (SDN) architecture

Rung Shiang Cheng, Chung-Ming Huang, Sheng Yuan Pan

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

WiFi offloading is a commonly used technique for reducing the traffic load in 3G/4G/5G cellular networks. The offloading process is normally infrastructure-based, i.e., the offloaded traffic is routed through a WiFi AP. If two communicating mobile nodes are connected to the same AP, the potential exists to improve the networking performance by having the two mobile nodes to communicate with each other over a WiFi Device-to-Device (D2D) link rather than through the AP. However, realizing such a WiFi D2D-based offloading approach needs to solve two fundamental problems, namely (1) determining whether the two mobile nodes can have D2D communications or not and (2) deciding when the two mobile nodes using the D2D communication mode should revert to the AP-based WiFi infrastructure communication paradigm. This study proposes a Software Defined Network (SDN)-based control scheme for resolving the aforementioned two issues. The simulation results show that the proposed scheme can achieve a significant improvement in the WiFi offloading performance compared with using the pure infrastructure-based offloading approach.

Original languageEnglish
Pages (from-to)18-28
Number of pages11
JournalJournal of Network and Computer Applications
Volume112
DOIs
Publication statusPublished - 2018 Jun 15

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Network architecture
Communication

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Computer Science Applications
  • Computer Networks and Communications

Cite this

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abstract = "WiFi offloading is a commonly used technique for reducing the traffic load in 3G/4G/5G cellular networks. The offloading process is normally infrastructure-based, i.e., the offloaded traffic is routed through a WiFi AP. If two communicating mobile nodes are connected to the same AP, the potential exists to improve the networking performance by having the two mobile nodes to communicate with each other over a WiFi Device-to-Device (D2D) link rather than through the AP. However, realizing such a WiFi D2D-based offloading approach needs to solve two fundamental problems, namely (1) determining whether the two mobile nodes can have D2D communications or not and (2) deciding when the two mobile nodes using the D2D communication mode should revert to the AP-based WiFi infrastructure communication paradigm. This study proposes a Software Defined Network (SDN)-based control scheme for resolving the aforementioned two issues. The simulation results show that the proposed scheme can achieve a significant improvement in the WiFi offloading performance compared with using the pure infrastructure-based offloading approach.",
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WiFi offloading using the device-to-device (D2D) communication paradigm based on the Software Defined Network (SDN) architecture. / Cheng, Rung Shiang; Huang, Chung-Ming; Pan, Sheng Yuan.

In: Journal of Network and Computer Applications, Vol. 112, 15.06.2018, p. 18-28.

Research output: Contribution to journalArticle

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