An MBS-assisted femtocell transmit power control scheme with mobile user QoS guarantee in 2-tier heterogeneous femtocell networks

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題名:	An MBS-assisted femtocell transmit power control scheme with mobile user QoS guarantee in 2-tier heterogeneous femtocell networks
作者:	許獻聰;Chen, Jenhui;Sheu, Shiann-Tsong;Yang, Chih-Cheng
貢獻者:	資訊電機學院通訊工程學系
關鍵詞:	Access control;Algorithms;Cell Phone - instrumentation;Computer simulation;Electric Power Supplies;Electromagnetic interference;Electronic data processing;Electronics - methods;Engineering research;Information theory;Models, Theoretical;Multimedia;Power control;Quality of service architectures;Radio equipment;Signal Processing, Computer-Assisted;Video communication;Voice communication;Wireless communications;Wireless networks;Wireless Technology - instrumentation
日期:	2013-12-01
上傳時間:	2026-04-23 12:58:11 (UTC+8)
出版者:	Hindawi Limited;Cairo, Egypt: Hindawi Publishing Corporation
摘要:	摘要： This study investigates how to adjust the transmit power of femto base station (FBS) to mitigate interference problems between the FBSs and mobile users (MUs) in the 2-tier heterogeneous femtocell networks. A common baseline of deploying the FBS to increase the indoor access bandwidth requires that the FBS operation will not affect outdoor MUs operation with their quality-of-service (QoS) requirements. To tackle this technical problem, an FBS transmit power adjustment (FTPA) algorithm is proposed to adjust the FBS transmit power (FTP) to avoid unwanted cochannel interference (CCI) with the neighboring MUs in downlink transmission. FTPA reduces the FTP to serve its femto users (FUs) according to the QoS requirements of the nearest neighboring MUs to the FBS so that the MU QoS requirement is guaranteed. Simulation results demonstrate that FTPA can achieve a low MU outage probability as well as serve FUs without violating the MU QoS requirements. Simulation results also reveal that FTPA has better performance on voice and video services which are the major trend of future multimedia communication in the NGN. 其他題名： ScientificWorldJournal 出版者： Cairo, Egypt: Hindawi Publishing Corporation 出版日期： 2013-01-01 出處： TheScientificWorld, 2013-01, Vol.2013 (2013), p.1-11 資源來源： Agricultural & Environmental Science Collection 版權： Copyright © 2013 Jenhui Chen et al. 版權： COPYRIGHT 2013 John Wiley & Sons, Inc. 版權： COPYRIGHT 2013 Hindawi Limited 版權： Copyright © 2013 Jenhui Chen et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. https://creativecommons.org/licenses/by/4.0 版權： Copyright © 2013 Jenhui Chen et al. 2013 識別號： ISSN: 2356-6140 識別號： ISSN: 1537-744X 識別號： EISSN: 1537-744X 識別號： DOI: 10.1155/2013/403978 識別號： PMID: 24391461
顯示於類別:	[通訊工程學系] 期刊論文

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