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» A Calculus of Broadcasting Systems
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TWC
2008
87views more  TWC 2008»
13 years 10 months ago
Opportunistic Grassmannian Beamforming for Multiuser and Multiantenna Downlink Communications
Scheduling in a broadcast channel based on partial channel-state-information at the transmitter is carried out in an opportunistic way. In this paper, the number of generated beams...
Nizar Zorba, Ana I. Pérez-Neira
JMM2
2006
95views more  JMM2 2006»
13 years 10 months ago
Video Streaming over MBMS: A System Design Approach
Recently, Multimedia Broadcast Multicast Service (MBMS) has been specified by 3GPP as a Release 6 feature in order to meet the increasing demands of multimedia download and streami...
Junaid Afzal, Thomas Stockhammer, Tiago Gasiba, We...
ICMCS
2010
IEEE
181views Multimedia» more  ICMCS 2010»
13 years 8 months ago
LDPC FEC code extension for unequal error protection in 2nd generation DVB systems
One of the envisioned advantages of scalable video coding is its inherent suitability for achieving unequal error protection (UEP). UEP can be effectively used for graceful qualit...
Lukasz Kondrad, Imed Bouazizi, Moncef Gabbouj
MM
2009
ACM
160views Multimedia» more  MM 2009»
14 years 4 months ago
On statistical multiplexing of variable-bit-rate video streams in mobile systems
We consider the problem of broadcasting multiple variable-bit-rate (VBR) video streams from a base station to many mobile devices over a wireless network, so that: (i) perceived q...
Cheng-Hsin Hsu, Mohamed Hefeeda
MMB
2010
Springer
194views Communications» more  MMB 2010»
14 years 3 months ago
Searching for Tight Performance Bounds in Feed-Forward Networks
Abstract. Computing tight performance bounds in feed-forward networks under general assumptions about arrival and server models has turned out to be a challenging problem. Recently...
Andreas Kiefer, Nicos Gollan, Jens B. Schmitt