Quality-delay tradeoff for video streaming over mobile ad hoc networks

Liang Zhou (1) , Yan Zhang (2) , Joel Rodrigues (3) , Benoit Geller (1) , Jingwu Cui (4) , Baoyu Zheng (2)

1 IS - Ingénierie Systèmes
2 NJUPT - Nanjing University of Posts and Telecommunications [Nanjing]
3 SRL - Simula Research Laboratory [Lysaker]
4 Department of Neurobiology & Department of Neurosurgery

— In this work, we study the quality-delay tradeoff for video streaming over mobile ad hoc network by utilizing a class of scheduling schemes. We show that node spatial mobility indeed impacts on the performance of wireless video transmission under the assumption that all the nodes can identically and uniformly visit the entire network. To describe a practical mobile scenario, we consider a random walk mobility model in which each node can randomly and independently choose its mobility direction at each time-slot. The contributions of this work are twofold: 1) It investigates the optimal node velocity for the mobile video network which helps to identify the impact of mobility on the video performance; 2) It derives the achievable quality-delay tradeoff range for any node mobility velocity, and thus it is helpful to design appropriate quality and delay requirements. These results provide insights on network design and fundamental guidelines on establishing an efficient mobile wireless video transmission system.

Mots clés: Index Terms— Wireless ad hoc network; video transmission; quality; delay; tradeoff

Domaines: Réseaux et télécommunications [cs.NI]

Liang Zhou, Yan Zhang, Joel Rodrigues, Benoit Geller, Jingwu Cui, et al.. Quality-delay tradeoff for video streaming over mobile ad hoc networks. ICC, 2012, Ottawa, Canada. ⟨10.1109/ICC.2012.6363798⟩. ⟨hal-01225548⟩