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MM
2010
ACM
202views Multimedia» more  MM 2010»
13 years 3 months ago
Accelerated IPTV channel change with transcoded unicast bursting
We study video transcoding for accelerated channel changes in IPTV systems. Video transcoding at the Retransmission Server not only reduces the channel change latency, but also re...
Zhi Li, Ali C. Begen, Xiaoqing Zhu, Bernd Girod
TCSV
2002
114views more  TCSV 2002»
13 years 4 months ago
Multicast and unicast real-time video streaming over wireless LANs
In this paper, we address the problem of real-time video streaming over wireless LANs for both unicast and multicast transmission. The wireless channel is modeled as a packet-erasu...
Abhik Majumdar, Daniel Grobe Sachs, Igor Kozintsev...
TWC
2008
75views more  TWC 2008»
13 years 4 months ago
Transmission Schemes for Multicarrier Broadcast and Unicast Hybrid Systems
Abstract--Wireless infrastructures can be conveniently categorized into two types: those that provide point-to-point `unicast' connectivity (e.g., cellular) and others that ar...
Hongxiang Li, Bin Liu, Hui Liu
JSAC
2008
121views more  JSAC 2008»
13 years 4 months ago
Network Coding Games with Unicast Flows
Abstract--To implement network coding, users need to coordinate and cooperate with respect to their strategies in terms of duplicating and transmitting side information across spec...
Jennifer Price, Tara Javidi
CN
2006
67views more  CN 2006»
13 years 5 months ago
Integration of unicast and multicast scheduling in input-queued packet switches
Packet queuing and scheduling, two of the critical components in an input-queued packet switch, have been extensively studied in the context of either pure unicast traffic or pure...
Weiying Zhu, Min Song
TRUSTBUS
2004
Springer
13 years 10 months ago
Large-Scale Pay-As-You-Watch for Unicast and Multicast Communications
This paper addresses the problem of pay-as-you-watch services over unicast and multicast communications. For each communication model, we present two solutions, non-verifiable and...
Antoni Martínez-Ballesté, Francesc S...
MWCN
2004
Springer
13 years 10 months ago
Understanding the Interactions between Unicast and Group Communications Sessions in Ad Hoc Networks
Abstract In this paper, our objective is to study and understand the mutual effects between the group communication protocols and unicast sessions in mobile ad hoc networks. The mo...
Lap Kong Law, Srikanth V. Krishnamurthy, Michalis ...
NCA
2005
IEEE
13 years 10 months ago
Hopcount in Application Layer Multicast Schemes
— Application Layer (AL) multicast emerged as a response to a slow deployment of IP multicast. However, the gain of AL multicast over unicast is questionable. Here, we investigat...
Milena Janic, Novi Ineke, Cempaka Wangi, Xiaoming ...