Essays about: "energy detection in cognitive radio"
Showing result 1 - 5 of 11 essays containing the words energy detection in cognitive radio.
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1. Performance Analysis of STTC-Based MIMO Under Cognitive RadioScenarios
University essay from Blekinge Tekniska Högskola/Institutionen för datavetenskapAbstract : 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
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2. Performance Analysis of 3-hop using DAF and DF over 2-hop Relaying Protocols
University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskapAbstract : In wireless Communication, the need of radio spectrum increases nowadays. But in the system we are losing approximately 82-86% of spectrum most of the time due to the absence of Primary User (PU). To overcome this issue Cognitive Radio (CR) is an admirable approach. READ MORE
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3. 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)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
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4. An Effecient Scheme in IEEE 802.22 WRAN for Real Time and Non Real Time Traffic Delay
University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskapAbstract : Cognitive radio network has emerged as a prevailing technique and an exciting and promising technology which has the potential of dealing with the inflexible prerequisites and the inadequacy of the radio spectrum usage. In cognitive radios, in-band sensing is fundamental for the protection of the licensed spectrum users, enabling secondary users to vacate channels immediately upon detection of primary users. READ MORE
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5. Performance Evaluation of 2-Hop and 3-Hop Relay Network using DF, AF and DAF Relaying Protocols
University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskapAbstract : Cognitive radio is an evolving wireless technology employed to increase the frequency spectrum utilization of the limited spectral resources. Cooperative communications has been established as a potential method of solving the fading effects in wireless communications, improving the reliability of network performance, network throughput, and adaptability. READ MORE