Essays about: "Cognitive radio"

Showing result 26 - 30 of 60 essays containing the words Cognitive radio.

1. 26. Capacity Analysis of Cognitive Radio Relay Networks under Transmission and Interference Power Constraints

   University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

   Author : Abhijith Gopalakrishna; [2012]
   Keywords : effective capacity; outage capacity; ergodic capacity; cognitive radio; relay networks;

   Abstract : This thesis investigates the performance of cognitive radio relay networks (CRRN) in Rayleigh fading channel under various power constraints. Here spectrum sharing approach is considered, whereby a secondary user (SU) may be allowed to transmit simultaneously with a primary user (PU) as long as SU interference to PU remains below a tolerable level. READ MORE

3. 27. Spectrum Sensing of acoustic OFDM signals

   University essay from Kommunikationssystem; Tekniska högskolan

   Author : Sivakesava Reddy Malkireddy; [2012]
   Keywords : OFDM; Autocorrelation; Spectrum Sensing; Cognitive radio; GLRT;

   Abstract : OFDM is a fast growing technology in the area of wireless communication due to its numerous advantages and applications. The current and future technologies in the area of wireless communications like WiMAX, WiFi, LTE, MBWA and DVB-T uses the OFDM signals. READ MORE

4. 28. PERFORMANCE ANALYSIS OF HYBRID DECODE-AMPLIFY FORWARD RELAYING PROTOCOLS IN COGNITIVE NETWORKS

   University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

   Author : Awais Salman Qazi; Muhammad Shoaib; Muhammad Shahan Saleem; [2012]
   Keywords : MIMOs; PU; SU; CRs; CC; Maximum Likelihood estimation ;

   Abstract : Nowadays, the world has observed a tremendous increase in the demand of radio spectrum in wireless communication. Services like broadband internet, telecommunication, videoconferencing, mobile IP, online multimedia gaming and other applications have been deployed using wireless services. READ MORE

5. 29. Spectrum Selection Technique to Satisfy the QoS Requirements in Cognitive Radio Network

   University essay from Blekinge Tekniska Högskola/Sektionen för datavetenskap och kommunikation

   Author : Sheikh Fakhar Uddin; Ismail Khan Khattak; [2012]
   Keywords : Cognitive Radio Network; QoS; Spectrum Selection ;

   Abstract : The demand of wireless spectrum is increasing very fast as the field of telecommunication is advancing rapidly. The spectrum was underutilized because of fixed spectrum assignment policy and this valuable spectrum can be utilized efficiently by cognitive radio technology. READ MORE

6. 30. Analysis of Interference from Secondary System in TV White Space

   University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

   Author : Sunil Puri; [2012]
   Keywords : ;

   Abstract : The demand of bandwidth has increased in recent years with the advent of new technologies in wireless communication systems along with the rise of traffic flow. This has resulted the radio spectrum into a scarce entity. READ MORE