Search Results - "Lempiäinen, Jukka"
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1
Assessment of 5G as an ambient signal for outdoor backscattering communications
Published in Wireless networks (01-08-2021)“…The aim of this article is to evaluate the applicability of 5G technology as a possible ambient signal for backscattering communications (AmBC). This…”
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Journal Article -
2
Polarization adaptation to improve cell border area bitrates and system capacity in small cells
Published in Wireless networks (01-04-2024)“…The target of this paper is to show the impact of polarization adaptation on the received signal quality in an outdoor small-cell deployment scenario. The…”
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3
Impact of antenna radiation pattern variation on the performance of SPMA at 28 GHz
Published in Wireless networks (01-02-2018)“…The target of this paper is to analyze the impact of variation in antenna radiation pattern on the performance of Single Path Multiple Access (SPMA) in…”
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4
Macro cellular network transition from traditional frequency range to 28 GHz millimeter wave frequency band
Published in Wireless networks (01-04-2018)“…The target of this article is to analyze the impact of transition from cellular frequency band i.e. 2.1 GHz to Millimeter Wave (mmWave) frequency band i.e…”
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5
Analysis of multipoint transmission at higher frequencies using 3‐D ray tracing
Published in International journal of communication systems (10-09-2017)“…Summary The target of this article is to analyze the impact of multipoint transmission e.g. joint transmission (JT) in an outdoor microcellular environment at…”
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6
Assessment of Network Layouts for CDMA Radio Access
Published in EURASIP journal on wireless communications and networking (01-01-2008)“…The aim of this paper is to perform an overall comparison of different network layouts for CDMA-based cellular radio access. Cellular network layout, including…”
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7
Evaluation of SPMA and higher order sectorization for homogeneous SIR through macro sites
Published in Wireless networks (01-05-2016)“…This paper highlights the performance of single path multiple access (SPMA) and discusses the performance comparison between higher order sectorization and…”
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8
In preparation towards future cellular networks: the detailed analysis of macro and micro site densification and sector densification
Published in Telecommunication systems (01-08-2017)“…The next generation of cellular networks is expected to provide huge capacity, and site densification is one of the possible solution to increase the network…”
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9
Arguments of Innovative Antenna Design and Centralized Macro Sites for 5G
Published in Wireless personal communications (01-10-2017)“…The evolution of mobile networks has been extremely fast during the last decade. However, the advancements in the technological ways of improving the system…”
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10
Will New Antenna Materials Enable Single Path Multiple Access (SPMA)?
Published in Wireless personal communications (01-09-2014)“…The aim of this paper is to introduce a novel frequency reuse concept especially for macro cellular networks to substantially increase the mobile network…”
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11
Optimum Antenna Downtilt Angles for Macrocellular WCDMA Network
Published in EURASIP journal on wireless communications and networking (12-12-2005)“…: 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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12
Performance Evaluation of Coordinated Multipoint Transmission at 28 GHz Frequency Using 3D Ray Tracing
Published in 2018 IEEE 87th Vehicular Technology Conference (VTC Spring) (01-06-2018)“…The main target of this paper is to evaluate the performance of Coordinated Multipoint (CoMP) transmission technique at Millimeter Wave (mmWave) frequency…”
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Conference Proceeding -
13
Performance analysis of dual-cell HSDPA plus MIMO and LTE along with adaptive MIMO switching at the cellular level
Published in Physical communication (01-12-2013)“…The main target of this research work is to present the performance analysis of Dual-Cell High Speed Downlink Packet Access (DC-HSDPA) plus Multiple Input…”
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14
A Flower Tessellation for Simulation Purpose of Cellular Network with 12-Sector Sites
Published in IEEE wireless communications letters (01-06-2013)“…This paper presents a novel network tessellation for 12-sector site deployment called "Flower" topology for use in cellular network simulations. The aim of…”
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15
Utilization of an Indoor DAS for Repeater Deployment in WCDMA
Published in 2006 IEEE 63rd Vehicular Technology Conference (2006)“…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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Conference Proceeding -
16
An Approach for Network Outage Detection from Drive-Testing Databases
Published in Journal of computer networks and communications (01-01-2012)“…A data-mining framework for analyzing a cellular network drive testing database is described in this paper. The presented method is designed to detect sleeping…”
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17
Optimum antenna downtilt angles for macrocellular WCDMA network
Published in EURASIP journal on wireless communications and networking (2005)“…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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Journal Article -
18
Measurements on HSUPA with uplink diversity reception in indoor environment
Published in 2010 European Wireless Conference (EW) (01-04-2010)“…The target of the paper is to study performance of high speed uplink packet access (HSUPA) in indoor environment, applicability of uplink diversity reception…”
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Conference Proceeding -
19
Practical Network-Based Techniques for Mobile Positioning in UMTS
Published in EURASIP Journal on Advances in Signal Processing (01-01-2006)“…This paper presents results of research on network-based positioning for UMTS (universal mobile telecommunication system). Two new applicable network-based…”
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20
Assessment of Network Layouts for CDMA Radio Access
Published in EURASIP journal on wireless communications and networking (01-01-2008)“…The aim of this paper is to perform an overall comparison of different network layouts for CDMA-based cellular radio access. Cellular network layout, including…”
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Journal Article