NDLI: Energy-efficient DRX scheduling for multicast transmissions in 3GPP LTE-Advanced wireless networks

Content Provider	IEEE Xplore Digital Library
Author	Jia-Ming Liang Po-Chun Hsieh Jen-Jee Chen Yu-Chee Tseng
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Nat. Univ. of Tainan, Tainan, Taiwan (Jen-Jee Chen) \|\| Dept. of Comput. Sci., Nat. Chiao-Tung Univ., Hsinchu, Taiwan (Jia-Ming Liang; Po-Chun Hsieh; Yu-Chee Tseng)
Abstract	The 3GPP LTE-A (Long Term Evolution-Advanced) is the most promising technology for next-generation wireless communications. It provides high transmission rate up to 1 Gbps and supports plentiful multimedia services, especially for those bandwidth required multicast type of services, such as IPTV and Voice/Video-over-IP services. However, when users activate more services at their user equipments (UEs), more energy is consumed. To save UEs' energy, the LTE-A standard defines the Discontinuous Reception Mechanism (DRX) to allow UEs turning off their radio interfaces and going to sleep to save energy when no data needs to be received. But, how to optimize DRX configurations for UEs is still left as an open issue. In this paper, we address the DRX optimization problem for multicast services, which asks how to guarantee the quality of service (QoS) of the multicast streams while minimize UEs' wake-up time. We propose an energy-efficient scheme to tackle this problem. The scheme tries to arrange the best multicast data reception orders to reduces UEs' wake-up periods while consider the resource collision avoidance. Simulation results show that the performance of the proposed scheme is effective even if the network is under saturated condition.
Starting Page	551
Ending Page	556
File Size	1760666
Page Count	6
File Format	PDF
ISBN	9781467359382
ISSN	15253511
e-ISBN	9781467359399
e-ISBN	9781467359375
DOI	10.1109/WCNC.2013.6554623
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase shift keying Optimization Resource management Wireless Communication Discontinuous Reception Mechanism (DRX) Multicast Power Management Quality of Service Long Term Evolution-Advanced (LTE-A)
Content Type	Text
Resource Type	Article

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