NDLI: An efficient CQI feedback resource allocation scheme for wireless video multicast services

Content Provider	IEEE Xplore Digital Library
Author	Xiang Chen Jenq-Neng Hwang Chung-Nan Lee Chih-Wei Huang
Copyright Year	2013
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan (Chung-Nan Lee) \|\| Dept. of Electr. Eng., Univ. of Washington, Seattle, WA, USA (Xiang Chen; Jenq-Neng Hwang) \|\| Dept. of Commun. Eng., Nat. Central Univ., Jhongli, Taiwan (Chih-Wei Huang)
Abstract	In wireless multicast services, a base station (BS) requires channel quality indicator (CQI) feedback from subscribers in order to determine a proper modulation and coding scheme (MCS). However, as the group sizes increase, the required feedbacks also increase, which will cause more signaling overheads in uplink. This paper proposes an efficient CQI feedback resource allocation scheme for wireless video multicast applications. More specifically, when a BS is serving several multicast groups simultaneously, our algorithm determines the proper sizes of feedback sets for each multicast group so that the system performance, in terms of average number of multicast service supported subscribers, is maximized. Simulation results not only well demonstrate the advantages of our proposed scheme, but also match with theoretical analyses.
Sponsorship	IEEE Commun. Soc.
Starting Page	1663
Ending Page	1668
File Size	958685
Page Count	6
File Format	PDF
ISBN	9781479913534
DOI	10.1109/GLOCOM.2013.6831312
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal to noise ratio Resource management System performance Linear programming Multimedia communication Streaming media Optimization Multicast CQI Feedback Signaling Resource Allocation
Content Type	Text
Resource Type	Article

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