Scalable video multicast in hybrid 3G/Ad-Hoc networks

Sha Hua, Yang Guo, Yong Liu, Hang Liu, Shivendra Panwar

Research output: Contribution to journalArticle

Abstract

Mobile video broadcasting service, or mobile TV, is expected to become a popular application for 3G wireless network operators. Most existing solutions for video Broadcast Multicast Services (BCMCS) in 3G networks employ a single transmission rate to cover all viewers. The system-wide video quality of the cell is therefore throttled by a few viewers close to the boundary, and is far from reaching the social-optimum allowed by the radio resources available at the base station. In this paper, we propose a novel scalable video broadcast/multicast solution, SV-BCMCS, that efficiently integrates scalable video coding, 3G broadcast, and ad-hoc forwarding to balance the system-wide and worst-case video quality of all viewers at 3G cell. We solve the optimal resource allocation problem in SV-BCMCS and develop practical helper discovery and relay routing algorithms. Moreover, we analytically study the gain of using ad-hoc relay, in terms of users' effective distance to the base station. Through extensive real video sequence driven simulations, we show that SV-BCMCS significantly improves the system-wide perceived video quality. The users' average PSNR increases by as much as 1.70 dB with slight quality degradation for the few users close to the 3G cell boundary.

Original languageEnglish (US)
Article number5680968
Pages (from-to)402-413
Number of pages12
JournalIEEE Transactions on Multimedia
Volume13
Issue number2
DOIs
StatePublished - Apr 2011

Fingerprint

Ad hoc networks
Base stations
Scalable video coding
Routing algorithms
Broadcasting
Resource allocation
Wireless networks
Degradation

Keywords

  • Ad-hoc video relay
  • resource allocation
  • scalable video coding

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Signal Processing
  • Media Technology
  • Computer Science Applications

Cite this

Scalable video multicast in hybrid 3G/Ad-Hoc networks. / Hua, Sha; Guo, Yang; Liu, Yong; Liu, Hang; Panwar, Shivendra.

In: IEEE Transactions on Multimedia, Vol. 13, No. 2, 5680968, 04.2011, p. 402-413.

Research output: Contribution to journalArticle

Hua, Sha ; Guo, Yang ; Liu, Yong ; Liu, Hang ; Panwar, Shivendra. / Scalable video multicast in hybrid 3G/Ad-Hoc networks. In: IEEE Transactions on Multimedia. 2011 ; Vol. 13, No. 2. pp. 402-413.
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