Search Results - "Niemelä, Jarno"

Optimum antenna downtilt angles for macrocellular WCDMA network by NIEMELÄ, Jarno, ISOTALO, Tero, LEMPIÄINEN, Jukka

“…The impact of antenna downtilt on the performance of cellular WCDMA network has been studied by using a radio network planning tool. An optimum downtilt angle…”
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Impact of Modern Construction Materials on Radio Signal Propagation: Practical Measurements and Network Planning Aspects by Asp, Ari, Sydorov, Yaroslav, Keskikastari, Mikko, Valkama, Mikko, Niemela, Jarno

“…Use of energy efficient construction materials is increasing all the time due to more and more tightened building regulations, which aim is to reduce overall…”
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Techno-economical analysis and comparison of legacy and ultra-dense small cell networks by Yunas, Syed Fahad, Niemela, Jarno, Valkama, Mikko, Isotalo, Tero

“…Network densification has been identified as one key enabling technology to address the 1000x mobile data challenge. This article analyzes network…”
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Optimum Antenna Downtilt Angles for Macrocellular WCDMA Network by Niemelä, Jarno, Isotalo, Tero, Lempiäinen, Jukka

“…: The impact of antenna downtilt on the performance of cellular WCDMA network has been studied by using a radio network planning tool. An optimum downtilt…”
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Deployment strategies and performance analysis of Macrocell and Femtocell networks in suburban environment with modern buildings by Yunas, Syed Fahad, Asp, Ari, Niemela, Jarno, Valkama, Mikko

“…In this article, we study and analyze the impact of modern buildings, with increased building penetration losses (BPLs), on different cellular deployment…”
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Techno-Economical Comparison of Dynamic DAS and Legacy Macrocellular Densification: Capacity and Cost-Efficiency Analysis of Alternative Deployment Solutions for Outdoor Service Provisioning by Yunas, Syed Fahad, Valkama, Mikko, Niemelä, Jarno

“…In order to support anywhere and anytime services of Beyond 4G networks, new deployment solutions will be required that can cost-effectively address the…”
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Optimal power allocation for homogeneous and heterogeneous CA-MIMO systems by Cui, QiMei, Kang, PeiChuan, Huang, XueQing, Valkama, Mikko, Niemela, Jarno

“…Carrier aggregation （CA） technique has been adopted by 3GPP LTE-Advanced due to its ability of enhancing the spectrum efficiency and peak data rates through…”
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Indoor Planning for High Speed Downlink Packet Access in WCDMA Cellular Network by Isotalo, Tero, Lempiäinen, Jukka, Niemelä, Jarno

“…The aim of this paper is to show the special characteristics of the indoor environment related to radio propagation and furthermore to radio network planning…”
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Big Data-driven Automated Anomaly Detection and Performance Forecasting in Mobile Networks by Moysen, Jessica, Ahmed, Furqan, García-Lozano, Mario, Niemelä, Jarno

“…The massive amount of data available in operational mobile networks offers an invaluable opportunity for operators to detect and analyze possible anomalies and…”
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Utilization of an Indoor DAS for Repeater Deployment in WCDMA by Borkowski, J., Niemela, J., Isotalo, T., Lahdekorpi, P., Lempiainen, J.

“…The aim of this paper is to assess the applicability of a repeater connected to a distributed antenna system for improving indoor capacity in UMTS radio…”
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Spectral and energy efficiency of ultra-dense networks under different deployment strategies by Yunas, Syed Fahad, Valkama, Mikko, Niemelä, Jarno

“…To tackle the 1000× mobile data challenge, the research towards the 5th generation of mobile cellular networks is currently ongoing. One clear enabler toward…”
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Big Data Enabled Mobility Robustness optimization for Commercial LTE Networks by Joseph, Jaiju, Ahmed, Furqan, Jokela, Tommi, Tirkkonen, Olav, Poutanen, Juho, Niemela, Jamo

“…Mobility Robustness optimization (MRO) is widely considered as an important self-organizing network (SON) usecase for tackling mobility management problems in…”
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Techno-Economical Comparison of Dynamic DAS and Legacy Macrocellular Densification by Yunas, Syed Fahad, Valkama, Mikko, Niemelae, Jarno

“…In order to support anywhere and anytime services of Beyond 4G networks, new deployment solutions will be required that can cost-effectively address the…”
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SONS3: A Network Data Driven Simulation Framework for Mobility Robustness Optimization by Laakso, Frans, Puttonen, Jani, Kurjenniemi, Janne, Wang, Biying, Zhang, Di, Ahmed, Furqan, Niemela, Jarno

“…Self-Organizing Networks (SON) aim at automation of network parameters to make the planning, configuration, management, optimization and healing of mobile…”
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Cellular location techniques supporting AGPS positioning by Borkowski, J., Niemela, J., Lempiinen, J.

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Unsupervised learning for detection of mobility related anomalies in commercial LTE networks by Moysen, Jessica, Ahmed, Furqan, Garcia-Lozano, Mario, Niemela, Jarno

“…We propose an unsupervised learning based anomaly detection framework for identifying cells experiencing performance degradation due to mobility problems, in…”
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Big Data-driven Automated Anomaly Detection and Performance Forecasting in Mobile Networks by Moysen, Jessica, Ahmed, Furqan, Garcia-Lozano, Mario, Niemela, Jarno

“…The massive amount of data available in operational mobile networks offers an invaluable opportunity for operators to detect and analyze possible anomalies and…”
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Energy-Efficient Resource Allocation for Two-Way Multiple Relay OFDM System by Yinjun Liu, Qimei Cui, Ting Fu, Niemela, Jarno

“…Relay-assisted cooperative network coding systems are widely investigated as an effective framework to improve the system performance in IMT-Advanced system…”
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Alarm Prediction in LTE Networks by Holmbacka, Simon, Niemela, Jarno, Karikallio, Henri, Sunila, Karri, Raiskinen, Ilkka, Siivola, Eero, Piironen, Juho, Sivula, Tuomas

“…Antenna line alarms are a significant indicator for failing components in LTE base stations. By predicting such alarms it is possible to prepare for system…”
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Cell planning for outdoor distributed antenna systems in dense urban areas by Yunas, Syed Fahad, Valkama, Mikko, Niemela, Jarno

“…Provisioning of high rate mobile data services and increased network level capacities in mobile cellular systems require higher received signal levels and…”
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