Contact information

Lic.Sc. Visa Tapio, Project Manager
visa.tapioee.oulu.fi

Ph.D. Timo Bräysy, Project Manager
timo.braysyee.oulu.fi

 

World's first cognitive radio network phone call

On Monday 11 January 2010 the first phone call over a cognitive radio network in the history of mankind was made using CWC's cognitive radio network CRAMNET (Cognitive Radio Assisted Mobile Ad Hoc Network) which has been developed solely by CWC researchers.

The demonstration proved CWC’s capability to build a cutting edge cognitive radio networks on top of open source research platforms. The cognitive radio network call was be made using a regular GSM cellular phone and received with a VoIP software running on a laptop connected to CWC’s CRAMNET. Thus, the call flow is a unique blend of old and new technologies comprising of GSM network, internet and CWC’s CRAMNET.

CWC’s demonstration highlights the possibility of using cognitivity to achieve opportunistic communication with very little compromise on quality of service. The bandwidth efficiency, capacity and flexibility of a network can be dramatically increased using cognitive technology which can be combined in a flexible manner with existing technologies.

For further details on the demonstration, please see these brochures:
* CRAMNET 1
* CRAMNET 2
* CRAMNET 3

08.00 - 08.30	Registration
08.30 - 08.50	Opening of the seminar via wireless cognitive network – Juha Hulkko, Chairman of CWC board, Lauri Lajunen, Rector, University of Oulu
08.50 - 09.15	Coffee
09.15 - 09.45	Grand challenges for wireless communications – Kari Tilli, Tekes
09.45 - 10.15	Protocol behavior and download performance in LTE TDD – Riikka Susitaival, Oy L M Ericsson AB, R&D Center Finland
10.15 - 10.45	Trends and challenges for network management – Seppo Borenius, Tellabs
10.45 - 11.00	Break
11.00 - 11.30	CWC research activities in 2010 – Ari Pouttu, Director, CWC
11.30 - 12.00	Status and intermediate results of IMT-A research in WINNER+ project – Antti Tölli, CWC
12.00 - 12.15	Cognitive radio network demonstration – CWC
12.15 - 13.00	Lunch
13.00 - 13.20	MAC protocol design and interference mitigation techniques for ad hoc networks – Mariam Kaynia, NTNU, Norway
13.20 - 13.40	Minimum-length scheduling: A cross-layer approach – Anna Pantelidou, CWC
13.40 - 14.00	Decentralized coordinated multi-cell transmission – Harri Pennanen, CWC
14.00 - 14.20	IMT-Advanced evaluation process within ITU – Jouko Leinonen, CWC
14.20 - 14.40	Break
14.40 - 15.00	Spectrum sharing from a game theoretical perspective – Mehdi Bennis, CWC
15.00 - 15.20	Future opportunistic frequency agile wireless networks: theory & implementation challenges – Kaveh Ghaboosi, CWC
15.20 - 15.40	MIMO detector algorithms and their implementations for LTE/LTE-A – Markus Myllylä, CWC
15.40 - 16.00	Detector implementations based on software defined radio for next generation wireless systems – Janne Janhunen, CWC
16.00 - 16.10	Break
16.10 - 16.30	Cross-layer solutions for broadband wireless access – Marek Skowron, CWC
16.30 - 16.50	Spectrum sensing issues for cognitive radios – Timo Bräysy, CWC
16.50 - 17.10	Dynamic coalitions and cooperation in cognitive network communications – Zaheer Khan, CWC
17.10 - 17.20	Closing remarks – Ari Pouttu