• Multi-channel Ad Hoc and Sensor Networks

• Dynamic Spectrum Access and Cognitive Radios

• Media Access Control in Wireless Sensor Networks

• Time Synchronization

Publications

• J. Nieminen, M. Björkbom, R. Jäntti and L. Eriksson, Multi-Channel Communications in Wireless Automation: Interdependencies Between Communication and Control Parameters , Submitted to International Journal of Distributed Sensor Networks, 15.9.2011.

• J. Nieminen, R. Jäntti and J. Eriksson, Performance of Target Tracking in Multi-Channel Wireless Sensor Networks. Submitted to Wireless Communications and Networking Conference, 26.9.2011.

• S. Nethi, J. Nieminen and R. Jäntti, Exploitation of Multi-Channel Communications in Industrial Wireless Sensor Applications: Avoiding Interference and Enabling Coexistence, Wireless Communications and Networking Conference, Cancun, Mexico, March 2011.

• J. Nieminen, L. Qian and R. Jäntti, Network-wide Time Synchronization in Multi-Channel Wireless Sensor Networks, Wireless Sensor Networks, Feb. 2011.
  

• J. Nieminen, S. Nethi, M. Björkbom, A. Mahmood, L. Eriksson and R. Jäntti, Advanced Communication Solutions for Reliable Wireless Sensor Systems, Book chapter in Smart Wireless Sensor Networks, InTech, Dec. 2010.

• J. Nieminen and R. Jäntti, Delay-Throughput Analysis of Multi-Channel MAC Protocols in Ad Hoc Networks, EURASIP Journal on Wireless Communications and Networking, Special Issue on Quality of Service in Wireless Networks, In Press.

• J. Nieminen, L. Qian and R. Jäntti, Suppression of Intra-Network Interference in Decentralized Cognitive Radio Networks under Timing Inaccuracy, 4th International Conference on Signal Processing and Communication Systems, ICSPCS, Gold Coast, Australia, Dec. 2010.      
  

• J. Nieminen, R. Jäntti and L. Qian, Primary User Detection in Distributed Cognitive Radio Networks under Timing Inaccuracy, IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks, DYSPAN, Singapore, Singapore, pp. 1-8, April 2010.

• J. Nieminen, L. Qian and R. Jäntti, Time Synchronization of Cognitive Radio Networks, In Proceedings of the  IEEE Global Telecommunications Conference, GLOBECOM, Honolulu, HI, USA, pp. 1-6, November 2009.

•  J. Nieminen, J. Karvo, P. Lassila and M. Peuhkuri, Impact of Heterogeneous Packet Sizes on Flow Fairness, In Proceedings of the 16th International Conference on Telecommunications, ICT, Marrakech, Marocco, pp. 248-253, May 2009.