Two hybrid ARQ algorithms for reliable multicast communications in UMTS networks

Multicast communications in wireless networks have attracted the interest of the scientific community, since many issues remain open. In this framework, our letter proposes two novel hybrid automatic repeat request (HARQ) algorithms for multicast communications in the UMTS radio link control (RLC) l...

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Bibliographic Details
Published in:IEEE communications letters 2006-04, Vol.10 (4), p.260-262
Main Authors: Papadopoulos, G.D., Koltsidas, G., Pavlidou, F.-N.
Format: Article
Language:English
Subjects:
3G mobile communication
Access methods and protocols, osi model
Algorithms
Applied sciences
Autocorrelation
Automatic control
Automatic repeat request
Channels
Communities
Delay
Delay estimation
Exact sciences and technology
Multicast
Multicast algorithms
Multicast communication
Networks
Radio control
Radio link
Telecommunication network reliability
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Wireless networks
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Summary:Multicast communications in wireless networks have attracted the interest of the scientific community, since many issues remain open. In this framework, our letter proposes two novel hybrid automatic repeat request (HARQ) algorithms for multicast communications in the UMTS radio link control (RLC) layer. The proposed algorithms exploit the channel autocorrelation in order to dynamically estimate the multicast users' channel conditions and thus reduce the mean service data unit (SDU) delay and increase the SDU throughput.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2006.1613740