Load-Based Power Saving in IEEE 802.16j Multi-Hop Relay Networks

In this paper, our previous work of Load-Based Power Saving (LBPS) for energy saving at the user side is extended to support integrated sleep scheduling for BS, RS, and MSS in the IEEE 802.16j Multi-Hop Relay Network. Topology-dependent time frame structure is adopted in our design to reduce the tra...

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Bibliographic Details
Published in:Wireless personal communications 2014-08, Vol.77 (3), p.1885-1903
Main Authors: Yang, Chun-Chuan, Chen, Jeng-Yueng, Mai, Yi-Ting, Yu, Chung-Che
Format: Article
Language:English
Subjects:
Access methods and protocols, osi model
Applied sciences
Communications Engineering
Computer Communication Networks
Counting
Delay
Energy use
Engineering
Exact sciences and technology
Networks
Radiocommunications
Relay
Relay networks
Scheduling
Signal,Image and Speech Processing
Simulation
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Transmitters. Receivers
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Summary:In this paper, our previous work of Load-Based Power Saving (LBPS) for energy saving at the user side is extended to support integrated sleep scheduling for BS, RS, and MSS in the IEEE 802.16j Multi-Hop Relay Network. Topology-dependent time frame structure is adopted in our design to reduce the transmission delay in the relay network, in which the number of relay zone (for transmission over the relay link) depends on the hop count of RS in the network. Focused on non-real-time traffic, two LBPS schemes, namely LBPS-Aggr-MR and LBPS-Merge-MR, are proposed. Simulation study shows the proposed LBPS schemes significantly outperform the standard Type I PSC in terms of power saving efficiency.
ISSN:0929-6212
1572-834X
DOI:10.1007/s11277-014-1614-5