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Reliable and Energy-Efficient Hybrid Screen Mirroring Multicast System

Title
Reliable and Energy-Efficient Hybrid Screen Mirroring Multicast System
Authors
SONG, HWANGJUNGO, YUNMIN
Date Issued
Feb-2018
Publisher
IEEE
Abstract
This paper presents a reliable and energy-efficient hybrid screen mirroring multicast system for sharing high-quality real-time multimedia service with adjacent mobile devices over WiFi network. The proposed system employs overhearing-based multicast transmission scheme with Raptor codes and NACK-based retransmission to overcome well-known WiFi multicast problems such as low transmission rate and high packet loss rate. Furthermore, to save energy on mobile devices, the proposed system not only shapes the screen mirroring traffic, but also determines the target sink device and Raptor encoding parameters such as the number of source symbols, symbol size, and code rate while considering the energy consumption and processing delay of the Raptor encoding and decoding processes. The proposed system is fully implemented in Linux-based single board computers and examined in real WiFi network. Compared to existing systems, the proposed system can achieve good energy efficiency while providing a high-quality screen mirroring service.
URI
http://oasis.postech.ac.kr/handle/2014.oak/41003
ISSN
1536-1233
Article Type
Article
Citation
IEEE Transactions on Mobile Computing, vol. 17, no. 2, page. 433 - 446, 2018-02
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 SONG, HWANGJUN
Dept of Computer Science & Enginrg
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