Comparative Study on Hybrid Header Compression over Satellite–Wireless Networks

Yung-Wey Chong; Tat-Chee Wan
November 2013
IETE Technical Review;Nov/Dec2013, Vol. 30 Issue 6, p461
Academic Journal
The integration of wireless terrestrial (e.g. WiFi, LTE, WiMAX) and satellite networks is an effective approach in providing anytime, anywhere connectivity to sparsely populated areas. Although hybrid satellite-wireless system seems to be an ideal network, transporting IP-based packet via satellite can be a challenge. High header overheads consume a significant portion of bandwidth and lower the transmission efficiency. This paper presents a comparative study of hybrid header compression schemes that enable the saving of resources over the hybrid network. The hybrid header compression schemes are proposed over loosely coupled and tightly coupled hybrid satellite-wireless networks. The effectiveness of deploying hybrid header compression schemes in terms of Quality of Service (QoS) for Voice over Internet Protocol (VoIP) is evaluated. The findings from this study contribute to a better understanding on how to enhance the bandwidth utilization in both loosely coupled and tightly coupled hybrid satellite-wireless networks that can be useful for deployment of broadband connectivity in rural areas.


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