Energy-Efficient Sleep Strategy with Variant Sleep Depths for Open-Access Femtocell Networks

Wenson Chang, Wen Yen Cheng, Zhao Ting Meng, Szu Lin Su

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

This letter aims to enhance the energy-efficiency (EE) for hyper-dense small-cell networks by designing a low-complexity sleep strategy for base-stations (BSS). First, four operation modes are considered for BSS, i.e., active, standby, sleep, and off. To be specific, the active, standby, and sleep modes are for serving the delay-intolerant, delay-sensitive, and rate-sensitive demands. Second, the BSS with lower EE are iteratively considered to switch into lower-energy operation modes, if all the users with stringent delay requirement can be reassociated with the quality-of-service (QoS) provision. To improve the success rate of reassociation, all the BSS that can reach the predefined QoS can be the feasible targets. Compared with the conventional schemes, a remarkable 72% and 51% enhancement of EE can be achieved and more BSS can operate in the lower-energy modes.

原文English
文章編號8648407
頁(從 - 到)708-711
頁數4
期刊IEEE Communications Letters
23
發行號4
DOIs
出版狀態Published - 2019 四月

All Science Journal Classification (ASJC) codes

  • 建模與模擬
  • 電腦科學應用
  • 電氣與電子工程

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