標題: Performance enhancement and analysis for IEEE 802.16e/m sleep mode operations with unsolicited grant service/real-time variable-rate connections
作者: Hsu, C. -H.
Feng, K. -T.
電機工程學系
Department of Electrical and Computer Engineering
公開日期: 11-六月-2010
摘要: The power saving class of type II (PSC II), one of the sleep mode operations in the IEEE 802.16e standard, is designed to reduce power consumption for unsolicited grant service (UGS) and real-time variable-rate (RT-VR) connections. However, the configuration of fixed-length listening windows in the PSC II incurs unnecessary energy consumption or packet loss for these types of connections. In order to enhance the performance of sleep mode operations, an approach with adaptive listening window (ALW) is proposed. The ALW scheme dynamically adjusts the length of each listening window based on the number of both arrival and retransmission packets as well as the delay constraint. Numerical analysis and simulation results show that the proposed ALW approach can effectively reduce the packet loss rate for UGS connections, whereas better energy conservation with reduced packet loss rate is achieved for RT-VR connections.
URI: http://dx.doi.org/10.1049/iet-com.2009.0173
http://hdl.handle.net/11536/5270
ISSN: 1751-8628
DOI: 10.1049/iet-com.2009.0173
期刊: IET COMMUNICATIONS
Volume: 4
Issue: 9
起始頁: 1083
結束頁: 1094
顯示於類別:期刊論文


文件中的檔案:

  1. 000279104900007.pdf