Essays about: "Cognitive Radio Systems using Energy Detection :"

Found 4 essays containing the words Cognitive Radio Systems using Energy Detection :.

  1. 1. Performance Analysis of STTC-Based MIMO Under Cognitive RadioScenarios

    University essay from Blekinge Tekniska Högskola/Institutionen för datavetenskap

    Author : Sanjana Kankantee; Sai Praneeth Reddy Ganta; [2023]
    Keywords : Space-time trellis coding; MIMO; Cognitive radio; Performance; Bit error rate; Diversity; AWGN; Rayleigh fading; Detection; Spectrum.;

    Abstract : This thesis presents a comprehensive investigation into improving wireless transmission rates and reliability through the implementation of Space Time Trellis Codes(STTC). The study focuses on enhancing the coding gain, diversity gain, and flexible transmission capabilities, which are crucial for Error-Correcting Codes (ECC)in wireless communications. READ MORE

  2. 2. Spectrum sensing based on specialized microcontroller based white space sensors : Measuring spectrum occupancy using a distributed sensor grid

    University essay from KTH/Radio Systems Laboratory (RS Lab)

    Author : Julia Alba Tormo Peiró; [2013]
    Keywords : Cognitive radio; spectrum sensing; dynamic spectrum access; radio spectrum utilization; Kognitiv radio; spectrum sensing; dynamiskt spektrum tillgång; radiospektrum utnyttjas;

    Abstract : The continuing increase in the adoption and use of wireless technology aggravates the problem of spectrum scarcity due to the way we utilize the spectrum. The radio spectrum is a limited resource regulated by governmental agencies according to a fixed spectrum assignment policy. READ MORE

  3. 3. Spectrum Sensing Techniques for 2-hop Cooperative Cognitive Radio Networks : Comparative Analysis

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Atti Ur Rehman; Muhammad Asif; [2012]
    Keywords : Cognitive Radio; MIMO; Cooperative Communication; OSTBC; Energy Detection; Matched Filter Detetction; Cyclostationary Feature detection; Fuzzy Logic spectrum detection;

    Abstract : Spectrum sensing is an important aspect of cognitive radio systems. In order to efficiently utilize the spectrum, the role of spectrum sensing is essential in cognitive radio networks. READ MORE

  4. 4. Spectrum Sensing in Cognitive Radio Systems using Energy Detection :  

    University essay from Avdelningen för elektronik, matematik och naturvetenskap

    Author : YUHANG SUN; [2011]
    Keywords : Cognitive radio; spectrum sensing; energy detector;

    Abstract : Cognitive radio is a low-cost communication system, which can choose the available frequencies and waveforms automatically on the premise of avoiding interfering the licensed users. The spectrum sensing is the key enabling technology in cognitive radio networks. READ MORE