Paper Info
Title
GreenBag: Energy-Efficient Bandwidth Aggregation for Real-Time Streaming in Heterogeneous Mobile Wireless Networks
Abstract
Modern mobile devices are equipped with multiple network interfaces, including 3G/LTE and WiFi. Bandwidth aggregation over LTE and WiFi links offers an attractive opportunity of supporting bandwidth-intensive services, such as high-quality video streaming, on mobile devices. However, achieving effective bandwidth aggregation in mobile environments raises several challenges related to deployment, link heterogeneity, network fluctuation, and energy consumption. We present GreenBag, an energy-efficient bandwidth aggregation middleware that supports real-time data-streaming services over asymmetric wireless links, requiring no modifications to the existing Internet infrastructure and servers. GreenBag employs several techniques, including medium load balancing, efficient segment management, and energy-aware mode control, to resolve such challenges. We implement a prototype of GreenBag on Android-based mobile devices which hosts, to the best knowledge of the authors, the first LTE-enabled bandwidth aggregation prototype for energy-efficient real-time video streaming. Our experiment results in both emulated and real-world environments show that GreenBag not only achieves good bandwidth aggregation to provide QoS in bandwidth-scarce environments but also efficiently saves energy on mobile devices. Moreover, energy-aware GreenBag can minimize video interruption while consuming 14-25% less energy than the non-energy-aware counterpart in real-world experiments.
Year
DOI
Venue
2013
10.1109/RTSS.2013.14
RTSS
Keywords
Field
DocType
mobile environment,good bandwidth aggregation,modern mobile device,heterogeneous mobile wireless networks,energy-aware greenbag,energy-efficient bandwidth aggregation,energy-efficient bandwidth aggregation middleware,real-time streaming,effective bandwidth aggregation,mobile device,lte-enabled bandwidth aggregation prototype,bandwidth aggregation,android-based mobile device,real time systems,middleware,resource allocation
Wireless,Computer science,Efficient energy use,Load balancing (computing),Server,Computer network,Quality of service,Real-time computing,Mobile device,Cellular network,Network interface,Distributed computing
Conference
ISSN
Citations 
PageRank 
1052-8725
24
0.84
References 
Authors
17
7
Name
Order
Citations
PageRank
Duc Hoang Bui1392.13
Kilho Lee2314.09
Sangeun Oh3241.17
Insik Shin4120864.24
Hyojeong Shin561930.89
Honguk Woo613916.19
Daehyun Ban7596.28