Multi-flow management for mobile data offloading

• Published in: ICT express Vol. 3; no. 1; pp. 33 - 37
• Main Authors: Kim, Yeongjin, Lee, Joohyun, Jeong, Jaeseong, Chong, Song
• Format: Journal Article
• Language: English
• Published: Elsevier 01.03.2017; 한국통신학회
• Subjects: Delayed Wi-Fi offloading; Mobile data offloading; Multi-flow management; 전자/정보통신공학
• ISSN: 2405-9595; 2405-9595
• DOI: 10.1016/j.icte.2016.08.011

Cellular networks are facing explosive growth of mobile data traffic due to the proliferation of smart devices and traffic-intensive applications. As a cost-effective solution, delayed Wi-Fi offloading was introduced to shift the delay-tolerant traffic from cellular to Wi-Fi networks by trading additional delays. Our paper studies a multi-flow rate control problem where each flow has different traffic load and a deadline. To maximize user satisfaction defined as offloading efficiency minus disutility caused by deadline violation, we propose a dynamic programming-based rate control algorithm. Moreover, to reduce the computation and memory, we propose a simple threshold-based rate control algorithm.