Optimization of Soft Frequency Reuse for Irregular LTE Macrocellular Networks
Interference management has been recognized by the industry as a key enabler for 4G systems. Emerging technologies include multicarrier systems such as LTE and WiMAX for which effective management of intercell interference is of utmost importance in order to improve the Quality of Service (QoS) at c...
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| Veröffentlicht in: | IEEE transactions on wireless communications 2013-05, Vol.12 (5), p.2410-2423 |
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| creator | Gonzalez, David G. Garcia-Lozano, M. Ruiz Boque, Silvia Dong Seop Lee |
| description | Interference management has been recognized by the industry as a key enabler for 4G systems. Emerging technologies include multicarrier systems such as LTE and WiMAX for which effective management of intercell interference is of utmost importance in order to improve the Quality of Service (QoS) at cell edges. Static Intercell Interference Coordination (ICIC) techniques such as Soft Frequency Reuse (SFR) are aimed at alleviating this problem; however the usage of baseline SFR designs (schemes without optimization) only offers tradeoffs between cell edge performance and spectral efficiency and performance is indeed far from optimal as results herein confirm. Thus, this paper presents a novel multiobjective algorithm in order to address this problem and achieve effective optimization of SFR implementations. Results show that the proposed algorithm succeeds in finding good-quality SFR configurations enhancing simultaneously network capacity and cell edge performance while reducing energy consumption with respect to baseline designs and previous proposals. |
| doi_str_mv | 10.1109/TWC.2013.040213.121081 |
| format | Article |
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Emerging technologies include multicarrier systems such as LTE and WiMAX for which effective management of intercell interference is of utmost importance in order to improve the Quality of Service (QoS) at cell edges. Static Intercell Interference Coordination (ICIC) techniques such as Soft Frequency Reuse (SFR) are aimed at alleviating this problem; however the usage of baseline SFR designs (schemes without optimization) only offers tradeoffs between cell edge performance and spectral efficiency and performance is indeed far from optimal as results herein confirm. Thus, this paper presents a novel multiobjective algorithm in order to address this problem and achieve effective optimization of SFR implementations. 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Results show that the proposed algorithm succeeds in finding good-quality SFR configurations enhancing simultaneously network capacity and cell edge performance while reducing energy consumption with respect to baseline designs and previous proposals.</description><subject>Applied sciences</subject><subject>Bandwidth</subject><subject>Consum</subject><subject>Energia</subject><subject>Energy efficiency</subject><subject>Energy – Consumption</subject><subject>Enginyeria de la telecomunicació</subject><subject>Equipments and installations</subject><subject>Exact sciences and technology</subject><subject>ICIC</subject><subject>Intercell interference coordination</subject><subject>Interference</subject><subject>Layout</subject><subject>Long Term Evolution</subject><subject>Long-Term Evolution (Telecommunications)</subject><subject>Long-term evolution (Telecomunicacions)</subject><subject>LTE</subject><subject>Mobile communication</subject><subject>Mobile radiocommunication systems</subject><subject>Multiobjective optimization</subject><subject>NSGA-II</subject><subject>OFDM</subject><subject>Operation, maintenance, reliability</subject><subject>Optimization</subject><subject>Radiocommunications</subject><subject>SEMO</subject><subject>SFR</subject><subject>Soft frequency reuse</subject><subject>SPEA-2</subject><subject>Studies</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Àrees temàtiques de la UPC</subject><issn>1536-1276</issn><issn>1558-2248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><sourceid>XX2</sourceid><recordid>eNpFkN1q3DAQhU1pINukTxAohtJLb2f0Y0uXZUnSwKaBZKGXQiuPilPvaivZhOTpK8dLciFGmjnnMPqK4gvCEhH0983v1ZIB8iUIYLkgQ1D4oViglKpiTKiP053XFbKmPi0-pfQIgE0t5aK4vTsM3a57sUMX9mXw5UPwQ3kV6d9Ie_dc3tOYqPQhljcx0p-xt7Fcby7LW-ticNT3r51fNDyF-DedFyfe9ok-H-tZsbm63Kx-Vuu765vVj3XleCOHyjWibTkgOO58rZlWUnpG1nut2622llsg3SJx6WporCbn7VYot2VCqJafFTjHujQ6E8lRdHYwwXbvj-kwaJhhSgGq7Pk6ew4x5L-lwTyGMe7zlga5zEtgxpVV9TE5hpQieXOI3c7GZ4NgJtom0zYTbTPTNjPtbPx2jLfJ2d5Hu3ddenOzRgCiEFl3Mes6Inob10I3AJr_BwliiKQ</recordid><startdate>20130501</startdate><enddate>20130501</enddate><creator>Gonzalez, David G.</creator><creator>Garcia-Lozano, M.</creator><creator>Ruiz Boque, Silvia</creator><creator>Dong Seop Lee</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Applied sciences Bandwidth Consum Energia Energy efficiency Energy – Consumption Enginyeria de la telecomunicació Equipments and installations Exact sciences and technology ICIC Intercell interference coordination Interference Layout Long Term Evolution Long-Term Evolution (Telecommunications) Long-term evolution (Telecomunicacions) LTE Mobile communication Mobile radiocommunication systems Multiobjective optimization NSGA-II OFDM Operation, maintenance, reliability Optimization Radiocommunications SEMO SFR Soft frequency reuse SPEA-2 Studies Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) Àrees temàtiques de la UPC |
| title | Optimization of Soft Frequency Reuse for Irregular LTE Macrocellular Networks |
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