Ilkka Harjula

According to our database, Ilkka Harjula authored at least 30 papers between 2003 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Extending 5G to Narrow Spectrum Allocations.

Kari Hooli, Pasi Kinnunen, Esa Tiirola, Sami Hakola, Zsombor Kiss, Jorma Kaikkonen, Matthew Baker, Ilkka Harjula

IEEE J. Sel. Areas Commun., June, 2023

2021

Performance of the 5th Generation Indoor Wireless Technologies-Empirical Study.

Mika Hoppari, Mikko Uitto, Jukka Mäkelä, Ilkka Harjula, Seppo J. Rantala

Future Internet, 2021

An Overview of the Security Landscape of Virtual Mobile Networks.

Ijaz Ahmad, Jarno Pinola, Ilkka Harjula, Jani Suomalainen, Erkki Harjula, Jyrki Huusko, Tanesh Kumar

IEEE Access, 2021

Smart Manufacturing Multi-Site Testbed with 5G and Beyond Connectivity.

Ilkka Harjula, Mikko Uitto, Marko Jurmu, Jukka Koskinen, Jukka Mäkelä, Stefan Walter, Markku Hentula, Tapio Heikkilä, Marja Lintala, Kyösti Rautiola

Proceedings of the 32nd IEEE Annual International Symposium on Personal, 2021

2020

Overview of Security of Virtual Mobile Networks.

Ijaz Ahmad, Ilkka Harjula, Jarno Pinola

CoRR, 2020

Dynamic Spectrum Management for European-Wide Research Network.

Ilkka Harjula, Laura Panizo, Barbara Valera-Muros, Jarno Pinola, Mika Hoppari, Adam Flizikowski, Maria B. Safianowska

Proceedings of the 91st IEEE Vehicular Technology Conference, 2020

The LSA Based Spectrum Sharing Solution for Wireless Research Networks Utilizing Commercial MNO Networks.

Mika Hoppari, Ilkka Harjula, Jarno Pinola

Proceedings of the 2020 European Conference on Networks and Communications, 2020

2019

EuWireless RAN Architecture and Slicing Framework for Virtual Testbeds.

Jarno Pinola, Ilkka Harjula, Adam Flizikowski, Maria B. Safianowska, Arslan Ahmad, Suvidha Sudhakar Mhatre

Proceedings of the Testbeds and Research Infrastructures for the Development of Networks and Communications, 2019

2018

Comparison of Spectral and Energy Efficiency Metrics Using Measurements in a LTE-A Network.

Sandrine Boumard, Ilkka Harjula, Teemu Kanstrén, Seppo J. Rantala

Proceedings of the Network Traffic Measurement and Analysis Conference, 2018

2017

Analysis and prediction of 100 km-scale atmospheric duct interference in TD-LTE networks.

Ting Zhou, Tianyu Sun, Honglin Hu, Hui Xu, Yang Yang, Ilkka Harjula, Yevgeni Koucheryavy

J. Commun. Inf. Networks, 2017

Throughput and energy consumption trade-off in traffic splitting in heterogeneous networks with dual connectivity.

Sandrine Boumard, Ilkka Harjula, Kari Horneman, Honglin Hu

Proceedings of the 28th IEEE Annual International Symposium on Personal, 2017

Performance Analysis on Spectral-Energy Efficiency Tradeoff in the D2D-Relay Mechanism.

Yu Zeng, Honglin Hu, Ilkka Harjula, Boqi Jia, Tianheng Xu, Yang Yang

Proceedings of the 2017 IEEE Global Communications Conference, 2017

2015

Small cell based 5G test network (5GTN).

Matti Latva-aho, Ari Pouttu, Atso Hekkala, Ilkka Harjula, Jukka Mäkelä

Proceedings of the 2015 International Symposium on Wireless Communication Systems (ISWCS), 2015

2013

Multihop Relaying for Local Area Access.

Olav Tirkkonen, Eeva Lähetkangas, Kari Pajukoski, Esa Tiirola, Ilkka Harjula

Proceedings of the 77th IEEE Vehicular Technology Conference, 2013

Full duplex relaying for local area.

Ilkka Harjula, Risto Wichman, Kari Pajukoski, Eeva Lähetkangas, Esa Tiirola, Olav Tirkkonen

Proceedings of the 24th IEEE Annual International Symposium on Personal, 2013

On the design of discovery patterns for half-duplex TDD nodes operating in frame-based systems.

Esa Tiirola, Bernhard Raaf, Eeva Lähetkangas, Ilkka Harjula, Kari Pajukoski

Proceedings of the 2013 Future Network & Mobile Summit, Lisboa, Portugal, July 3-5, 2013, 2013

On the TDD subframe structure for beyond 4G radio access network.

Eeva Lähetkangas, Kari Pajukoski, Esa Tiirola, Gilberto Berardinelli, Ilkka Harjula, Jaakko Vihriälä

Proceedings of the 2013 Future Network & Mobile Summit, Lisboa, Portugal, July 3-5, 2013, 2013

On the Selection of Guard Period and Cyclic Prefix for Beyond 4G TDD Radio Access Network.

Eeva Lähetkangas, Kari Pajukoski, Gilberto Berardinelli, Fernando M. L. Tavares, Esa Tiirola, Ilkka Harjula, Preben E. Mogensen, Bernhard Raaf

Proceedings of the European Wireless 2013, 2013

2011

Performance Evaluation of Spectrum Sensing Using Welch Periodogram for OFDM Signals.

Ilkka Harjula, Atso Hekkala, Marja Matinmikko, Miia Mustonen

Proceedings of the 73rd IEEE Vehicular Technology Conference, 2011

Spectrum sensing in cognitive femto base stations using welch periodogram.

Ilkka Harjula, Atso Hekkala

Proceedings of the IEEE 22nd International Symposium on Personal, 2011

Performance of IEEE 802.11 based WLAN devices under various jamming signals.

Ilkka Harjula, Jarno Pinola, Jarmo Prokkola

Proceedings of the MILCOM 2011, 2011

2010

Analysis of and compensation for non-ideal RoF links in DAS.

Atso Hekkala, Mika Lasanen, Ilkka Harjula, Luis C. Vieira, Nathan J. Gomes, Anthony Nkansah, Steffen Bittner, Fabian Diehm, Vincent Kotzsch

IEEE Wirel. Commun., 2010

Low-complexity channel estimation for superimposed pilots in distributed OFDMA systems.

Mikko Hiivala, Ilkka Harjula, Mika Lasanen

Proceedings of the 2010 Wireless Telecommunications Symposium, 2010

2009

Application of Fuzzy Logic to Cognitive Radio Systems.

Marja Matinmikko, Tapio Rauma, Miia Mustonen, Ilkka Harjula, Heli Sarvanko, Aarne Mämmelä

IEICE Trans. Commun., 2009

2008

Quantifying WiMAX Performance.

Kostas Pentikousis, Ilkka Harjula, Esa Piri, Jarno Pinola

ERCIM News, 2008

WiMAX Channel Model for Mountainous Areas.

Paola Cardamone, Ilkka Harjula, Federico Albiero, Marcos D. Katz, Lorenzo Mucchi

Proceedings of the 68th IEEE Vehicular Technology Conference, 2008

Empirical evaluation of VoIP aggregation over a fixed WiMAX testbed.

Kostas Pentikousis, Esa Piri, Jarno Pinola, Frerk Fitzek, Tuomas Nissilä, Ilkka Harjula

Proceedings of the 4th International Conference on Testbeds & Research Infrastructures for the DEvelopment of NeTworks & COMmunities (TRIDENTCOM 2008), 2008

WiMAX backhaul for environmental monitoring.

Tuomas Nissilä, Kostas Pentikousis, Ilkka Harjula, Jyrki Huusko, Mika Rautio

Proceedings of the 7th International Conference on Mobile and Ubiquitous Multimedia, 2008

A vendor-independent resource control framework for WiMAX.

Pedro Neves, Tuomas Nissilä, Telmo Pereira, Ilkka Harjula, João L. Monteiro, Kostas Pentikousis, Susana Sargento, Francisco Fontes

Proceedings of the 13th IEEE Symposium on Computers and Communications (ISCC 2008), 2008

2003

Channel estimation algorithm for space-time block coded OFDM systems.

Ilkka Harjula, Aarne Mämmelä

Proceedings of the Global Telecommunications Conference, 2003