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access icon free eM-SON: efficient multimedia service over self-organising Wi-Fi network

  • Author(s): Chetna Singhal 1  and  Swades De 2
    • View affiliations
  • Source: Volume 7, Issue 4, July 2018, p. 181 – 189
    DOI:  10.1049/iet-net.2017.0213 , Print ISSN 2047-4954, Online ISSN 2047-4962
© The Institution of Engineering and Technology
Received 23/09/2017, Accepted 25/01/2018, Revised 08/01/2018, Published 29/01/2018

This study presents eM-SON, an adaptive framework for providing efficient multimedia services over self-organising, hybrid Wi-Fi networks. In this reconfigurable architecture, multimedia services can be received via a Wi-Fi router, Wi-Fi hotspot, or Wi-Fi direct (i.e. device-to-device) mode. Experimental studies are performed to obtain user equipment (UE) battery discharge and QoS/QoE parameters for adaptive multimedia service (transmission, reception, and playback) over each of these Wi-Fi configurations. These experiments are conducted on different types of UEs (smartphone, tablets) with multimedia content encoded at several quality and scalability levels, and transmitted on each of the Wi-Fi configurations over varying load conditions and dynamic channel allocation. A centrally controlled framework is developed to optimise the multimedia content (adaptive transcoding) and network resource allocation (dynamic Wi-Fi configurations and channel allocation) based on the dynamic UE and network resource constraints. The proposed solution combinedly improves the QoS (throughput, number of retransmissions, and delay), QoE, and energy-efficiency performance of the UEs, while effectively serving an increased number of users in the system.

Inspec keywords: wireless LAN

Other keywords: network resource allocation; multimedia content; centrally controlled framework; eM-SON; efficient multimedia service over self-organising Wi-Fi network; dynamic channel allocation

Subjects: Computer communications; Radio links and equipment; Local area networks

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