Radio Network Group

Publications:

2010

Conference Papers:

Syed Fahad Yunas, Tero Isotalo, and Jukka Lempiäinen:
Performance of spotlight coverage in managing the interference in multi-antenna cellular environment
In Proc. 3rd IEEE International Conference on Broadband Network & Multimedia Technology (3rd IEEE IC-BNMT 2010), Beijing, October 2010.
Best Paper Award!

Syed Fahad Yunas, Jussi Turkka, Panu Lähdekorpi, Tero Isotalo, and Jukka Lempiäinen:
Multi-antenna Cell Constellations for Interference Management in Dense Urban Areas
In Proc. 7th International Symposium on Wireless Communication Systems (ISWCS 2010), UK, September 2010.

Panu Lähdekorpi, Tero Isotalo, Sultan Usama Khan and Jukka Lempiäinen:
Implementation Aspects of RF-repeaters in Cellular Networks
In Proc. 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Turkey, September 2010.

Panu Lähdekorpi, Jarkko Itkonen and Jukka Lempiäinen:
Comparison of RF-Repeater Efficiency in Macrocellular Network Topologies
In Proc. 16th European Wireless Conference, Italy, April 2010.

Panu Lähdekorpi, Tero Isotalo, Kai Kylä-Liuhala and Jukka Lempiäinen:
Replacing Terrestrial UMTS Coverage by HAP in Disaster Scenarios
In Proc. 16th European Wireless Conference, Italy, April 2010.

Master of Science Theses:

Repeaters for Topology Planning in WCDMA Macro Cellular Networks

Evaluation of Multi-repeater Performance in WCDMA Networks

2009

Conference Papers:

Muhammad Usman Sheikh and Jukka Lempiäinen:
Impact of Penalty Time on Multilayer Network along with UMTS900 Deployed with Smart Traffic Handling Scheme
In Proc. IEEE Student Conference on Research and Development (SCOReD 2009) , Malaysia, November 2009.

Muhammad Usman Sheikh and Jukka Lempiäinen:
UMTS900 Deployment with Different Call Handling Strategies
In Proc. IEEE International Symposium on Wireless Communication Systems (ISWCS'09) , Siena-Tuscany, Italy, September 2009.

Master of Science Theses:

Implementation Aspects of UMTS 900 MHz/2100 MHz for High Altitude Platforms

Analysis of UMTS900 Deployment Over GSM900/1800 and UMTS2100 Network

Interference Analyses in Interoperability Between UMTS900, GSM900 and Other Systems

Coexistence of High Altitude Platform and Terrestrial UMTS in a Disaster Scenario

2008

Journal Papers:

Assessment of Network Layouts for CDMA Radio Access

EURASIP Journal on Wireless Communications and Networking

Conference Papers:

Panu Lähdekorpi, Tero Isotalo, Ali Mazhar and Jukka Lempiäinen:
Improving HSDPA Indoor Performance Using Outdoor Repeater
In Proc. 11th Int. Symposium on Wireless Personal Multimedia Communications (WPMC'08), Saariselkä, September 2008.

Teemu Pesu, Panu Lähdekorpi and Jukka Lempiäinen:
Deployment of Mobile WiMAX in Urban Environment
In Proc. 11th Int. Symposium on Wireless Personal Multimedia Communications (WPMC'08), Saariselkä, September 2008.

Jussi Turkka and Markku Renfors:
Path Loss Measurements for a Non-line-of-sight Mobile-to-Mobile Environment
In Proc. 8th international conference on Intelligent Transport System Telecommunications (ITST 2008), Phuket, Thailand, October 2008

Master of Science Theses:

Jussi Taneli Turkka:
Coverage Dimensioning for a Mobile-to-Mobile Wireless System
Master of Science Thesis, Tampere University of Technology, 2008

Teemu Pesu:
Deployment of Mobile WiMAX in Urban Environment
Master of Science Thesis, Tampere University of Technology, 2008

2007

Journal Papers:

Effect of Repeaters on the Performance in WCDMA Networks

Int. J. Mobile Network Design and Innovation

Conference Papers:

Tero Isotalo, Panu Lähdekorpi, Javier Cazorla, and Jukka Lempiäinen:
Impact Of Antenna Configuration On UMTS Performance In High Altitude Platforms
In Proc. 18th IEEE Annual International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2007), Athens, September 2007

Master of Science Theses:

Javier Cazorla Avilés:
High Altitude Platforms for UMTS
Master of Science Thesis, Tampere University of Technology, 2007

2006

Doctor of Technology Theses:

Jarno Niemelä:
Aspects of Radio Network Topology Planning in Cellular WCDMA
Doctor of Technology Thesis, Tampere University of Technology, 2006

Master of Science Theses:

Panu Lähdekorpi:
Effects of Repeaters on UMTS Network Performance
Master of Science Thesis, Tampere University of Technology, 2006

Conference Papers:

Jakub Borkowski, Jarno Niemelä, Tero Isotalo, Panu Lähdekorpi, and Jukka Lempiäinen
Utilization of an Indoor DAS for Repeater Deployment in WCDMA
in Proc. 63nd IEEE Vehicular Technology Conference, Melbourne, May 2006.

2005

Journal Papers:

Jarno Niemelä, Tero Isotalo, and Jukka Lempiäinen:
Optimum Antenna Downtilt Angles for Macrocellular WCDMA Network
EURASIP Journal on Wireless Communications and Networking, Volume 5, Issue 5, October 2005.

Conference Papers:

Panu Lähdekorpi, Jarno Niemelä, Jakub Borkowski, and Jukka Lempiäinen:
WCDMA Network Performance in Variable Repeater Hotspot Traffic Cases
in Proc. 6th IEE International Conference on 3G and Beyond, London, November 2005.

Jarno Niemelä, Jakub Borkowski, and Jukka Lempiäinen:
Verification Measurements of Mechanical Downtilt in WCDMA
in Proc. 6th IEE International Conference on 3G and Beyond, London, November 2005.

Jarno Niemelä, Tero Isotalo, Jakub Borkowski, and Jukka Lempiäinen:
Sensitivity of Optimum Downtilt Angle for Geographical Traffic Load Distribution in WCDMA
in Proc. 62nd IEEE Vehicular Technology Conference, Dallas, September 2005.

Jarno Niemelä, Jakub Borkowski, and Jukka Lempiäinen:
Performance of Static WCDMA Simulator
in Proc. 8th IEEE International Symposium on Wireless Personal Multimedia Communications (WPMC'05), September 2005.

Jarno Niemelä, Jakub Borkowski, and Jukka Lempiäinen:
Using Idle Mode Ec/N0 Measurements for Network Plan Verification
in Proc. 8th IEEE International Symposium on Wireless Personal Multimedia Communications (WPMC'05), September 2005.

Tero Isotalo, Jarno Niemelä, Jakub Borkowski, and Jukka Lempiäinen:
Impact of Pilot Pollution on SHO Performance
in Proc. 8th IEEE International Symposium on Wireless Personal Multimedia Communications (WPMC'05), September 2005.

Jarno Niemelä, Panu Lähdekorpi, Jakub Borkowski, and Jukka Lempiäinen:
Assessment of Repeaters for WCDMA UL and DL Performance in Capacity-limited Environment
in Proc.of 14th IST Mobile Summit, June 2005.

Jakub Borkowski, Jarno Niemelä, and Jukka Lempiäinen:
Applicability of Repeaters for Hotspots in UMTS
in Proc.of 14th IST Mobile Summit, June 2005.

2004

Conference Papers:

Jarno Niemelä, Jakub Borkowski:
Topology Planning Considerations for Capacity and Location Techniques in WCDMA Radio Networks
in Proc. 10th EUNICE Summer School Tampere, 2004, pp. 1-8.

Jarno Niemelä and Jukka Lempiäinen:
Mitigation of Pilot Pollution through Base Station Antenna Configurationin WCDMA
in Proc. 60th IEEE Vehicular Technology Conference, Los Angeles, September 2004, pp. 4270-4274.

Jarno Niemelä and Jukka Lempiäinen:
Impact of Mechanical Antenna Downtilt on Performance of WCDMA Cellular Network
in Proc. 59th IEEE Vehicular Technology Conference , Milano, May 2004, pp. 2091-2095.

Tero Isotalo, Jarno Niemelä and Jukka Lempiäinen:
Electrical Antenna Downtilt in UMTS Network
in Proc. 5th European Wireless Conference, Barcelona, February 2004, pp.265-271

Master of Science Theses:

Tero Isotalo:
Optimal Antenna Downtilting in WCDMA Based Networks
Master of Science Thesis, Tampere University of Technology, 2004

2003

Conference Papers:

Jarno Niemelä and Jukka Lempiäinen:
Impact of the Base Station Antenna Beamwidth on Capacity in WCDMA Cellular Networks
in Proc. IEEE 57th Vehicular Technology Conference, Jeju, April 2003, vol.1, pp. 80-84.

Jarno Niemelä and Jukka Lempiäinen:
Impact of Base Station Locations and Antenna Orientations on UMTS Radio Network Capacity and Coverage Evolution
in Proc. IEEE 6th Int. Symp. on Wireless Personal Multimedia Communications Conf., Yokosuka, 2003, vol. 2, pp. 82-86.

Master of Science Theses:

Jarno Niemelä:
Impact of Base Station and Antenna Configuration on Capacity in WCDMA Cellular Networks
Master of Science Thesis, Tampere University of Technology, 2003

Francesc Borràs:
Impact of Antenna Beamwidth, Propagation Slope and Coverage Overlapping on Capacity in WCDMA Networks
Master of Science Thesis, Tampere University of Technology, 2003