• Achieving Fair Spectrum Allocation and Reduced Spectrum Handoff in Wireless Sensor Networks: Modeling via Biobjective Optimization 

      Byun, Sang-Seon; Kansanen, Kimmo; Balasingham, Ilangko; Gil, Joon-Min (Journal article; Peer reviewed, 2014)
      This paper considers the problem of centralized spectrum allocations in wireless sensor networks towards the following goals: (1) maximizing fairness, (2) reflecting the priority among sensor data, and (3) avoiding unnecessary ...
    • Blind Source Separation Using Temporal Correlation, Non-Gaussianity and Conditional Heteroscedasticity 

      Fouladi, Seyed Hamed; Balasingham, Ilangko; Kansanen, Kimmo; Ramstad, Tor Audun (Journal article; Peer reviewed, 2018)
      Independent component analysis separates latent sources from a linear mixture by assuming sources are statistically independent. In real world applications, hidden sources are usually non-Gaussian and have dependence among ...
    • Calibration of mismatch effects in time-interleaved analog-to-digital converters 

      Kabaeva, Anastasia A (Master thesis, 2013)
      The performance of time-interleaved analogue-to-digital (A/D) converters is often significantly degraded by timing mismatch errors. In this project we explore methods for performing reconstruction of signals from recurrent ...
    • Cloud Radio Based Localization in Massive MIMO 

      Rokke, Eirik (Master thesis, 2019)
      Dette prosjektet ser på bruken av cloud radio basert lokalisering i massiv MIMO. Systemet undersøker et simpelt scenario, med planbølger, narrowband, ingen flerveisinterferens og to romlig separerte antenne array som kan ...
    • Cognitive Radio Network System Demonstrator 

      Trećakov, Nemanja (Master thesis, 2011)
      The frequency spectrum is presently poorly utilized and lies idle for the most of the time. In order to utilize the spectrum more efficiently, Dynamic Spectrum Access (DSA) should be used. A common approach to this thought ...
    • Cognitive Radio Network System Demonstrator 

      Trećakov, Nemanja (Master thesis, 2011)
      The frequency spectrum is presently poorly utilized and lies idle for the most of the time. In order to utilize the spectrum more efficiently, Dynamic Spectrum Access (DSA) should be used. A common approach to this thought ...
    • Communication Aspects for a Measurement Based UWB in-Body to on-Body Channel 

      Floor, Pål Anders; Chavez-Santiago, Raul; Kim, Anna N.; Kansanen, Kimmo; Ramstad, Tor Audun; Balasingham, Ilangko (Journal article; Peer reviewed, 2019)
      A wireless capsule endoscopy (WCE) is a good option for the screening of the digestive system. To better facilitate detection of diseases at an early stage, gastroenterologists seek both higher frame rate and frame resolution ...
    • Diffusion-Based Molecular Communications in Wireless Pacemakers 

      Thodesen, Elisa Ulvøen (Master thesis, 2016)
      Molecular communications is a novel communication technique that has many advantages over the traditional radio frequency technologies used in body area medical applications. It is based on the body`s own biological ...
    • Estimation over MIMO Fading Channels: Outage and Diversity Analysis 

      Parseh, Reza (Doctoral thesis at NTNU;2016:124, Doctoral thesis, 2016)
      In this thesis, estimation of signals over fading channels for analog uncoded transmission is considered. In communication settings with tight delay requirements, e.g. in real-time control over wireless fading channels ...
    • Evaluating Secrecy Capacity for In-Body Wireless Channels 

      Awan, Muhammad Faheem; Fang, Xiao; Ramzan, Mehrab; Neumann, Niels; Wang, Qiong; Plettemeier, Dirk; Kansanen, Kimmo (Journal article; Peer reviewed, 2019)
      The next generation of implanted medical devices is expected to be wireless, bringing along new security threats. Thus, it is critical to secure the communication between legitimate nodes inside the body from a possible ...
    • Evaluation of Secrecy Capacity for Next-Generation Leadless Cardiac Pacemaker 

      Awan, Muhammad Faheem; Bose, Pritam; Khaleghi, Ali; Kansanen, Kimmo; Balasingham, Ilangko (Journal article; Peer reviewed, 2019)
      Secure communication can be considered as an integral part of the next generation implantable medical devices. With the advent of physical layer security (PLS) methods, confidential messages can be transmitted without the ...
    • Experimental phantom-based evaluation of Physical Layer Security for Future Leadless Cardiac Pacemaker 

      Awan, Muhammad Faheem; Simbor, Sofia Perez; García-Pardo, Concepción; Kansanen, Kimmo; Bose, Pritam; Castello-Palacios, Sergio; Cardona, Narcís (Chapter, 2018)
      Next generation of cardiac pacemakers are expected to be completely wireless bringing along new security threats. Thus, it is critical to secure the pacemaker transmissions between legitimate nodes from a third party or ...
    • Experimental Phantom-Based Security Analysis for Next-Generation Leadless Cardiac Pacemakers 

      Awan, Muhammad Faheem; Simbor, Sofia Perez; García-Pardo, Concepción; Kansanen, Kimmo; Cardona, Narcis (Journal article; Peer reviewed, 2018)
      With technological advancement, implanted medical devices can treat a wide range of chronic diseases such as cardiac arrhythmia, deafness, diabetes, etc. Cardiac pacemakers are used to maintain normal heart rhythms. The ...
    • FPGA implementation of an efficient high-speed DVB-S2X block-interleaver 

      Vassiliev, Youri Vladimirovitch (Master thesis, 2018)
      In this Master's Thesis a new DVB-S2X block-interleaver is presented that uses only one block of memory.
    • High-Speed Modem Timing Recovery - Implementation of low complexity timing recovery algorithms for high data rate communications 

      Sund, Arne Magnus (Master thesis, 2018)
      This project is given to me as a master-degree thesis, for the signal processing group at NTNU and WideNorth AS. The intention is to get a better understanding of how efficient and reliable different sample timing algorithms ...
    • Individual packet deadline delay constrained opportunistic scheduling for large multiuser systems 

      Butt, Majid; Müller, Ralf Reiner; Kansanen, Kimmo (Journal article; Peer reviewed, 2014)
      This work addresses opportunistic distributed multiuser scheduling in the presence of a fixed packet deadline delay constraint. A threshold-based scheduling scheme is proposed which uses the instantaneous channel gain and ...
    • On Bit Error Probability and Power Optimization in Multihop Millimeter Wave Relay Systems 

      Chelli, Ali; Kansanen, Kimmo; Alouini, Mohamed-Slim; Balasingham, Ilangko (Journal article; Peer reviewed, 2018)
      5G networks are expected to provide gigabit data rate to users via the millimeter-wave (mmWave) communication technology. One of the major problems faced by mmWaves is that they cannot penetrate buildings. In this paper, ...
    • Outage analysis of mixed FSO/WiMAX link 

      Zdravkovic, Nemanja; Petkovic, Milica; Djordjevic, Goran; Kansanen, Kimmo (Journal article; Peer reviewed, 2016)
      In this paper, we study the outage performance of a complex system consisting of a free-space optical (FSO)/radio-frequency (RF) link. Using radio over free-space optics technology, the FSO link carries Worldwide ...
    • Outage performance of low-latency decode-and-forward cooperative wireless networks 

      Zdravkovic, Nemanja; Cvetkovic, Aleksandra; Kansanen, Kimmo; Djordjevic, Goran (Journal article; Peer reviewed, 2016)
      In this paper, we study a noise-limited low-latency decode-and-forward cooperative network set in a dynamic environment prone to link blockage. We analyse outage probability (OP) performance considering a temporally ...
    • Performance analysis for industrial wireless networks 

      Zdravkovic, Nemanja M. (Doctoral theses at NTNU;2017:64, Doctoral thesis, 2017)
      Industrial wireless networks operate in harsher and noisier environments compared to traditional wireless networks, while demanding high reliability and low latency. These requirements, combined with the constant need for ...