Multi-flow management for mobile data offloading

• Main Authors: Yeongjin Kim, Joohyun Lee, Jaeseong Jeong, Song Chong
• Format: Article
• Language: English
• Published: Elsevier 2017-03-01
• Series: ICT Express
• Subjects: Delayed Wi-Fi offloading; Multi-flow management; Mobile data offloading
• Online Access: http://www.sciencedirect.com/science/article/pii/S2405959516301060

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.