Essays about: "Cooperative Communications"

Showing result 21 - 25 of 30 essays containing the words Cooperative Communications.

  1. 21. APPLYING DISTRIBUTED ORTHOGONAL SPACE TIME BLOCK CODING IN COOPERATIVE COMMUNICATION NETWORKS

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : James Adu Ansere; Odion Ehimiaghe; [2012]
    Keywords : Decode and Forward; BER; DOSTBC; Cooperative communications;

    Abstract : In this research, we investigate cooperative spectrum sensing using distributed orthogonal space time block coding (DOSTBC). Multiple antennas are introduced at the transmitter and the receiver to achieve higher cooperative diversity in the cooperative wireless (CW) networks. READ MORE

  3. 22. Spectrum Sensing of Cognitive Radio Networks using Amplify and Forward Relay over Correlated Nakagami-m Fading Channel

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Suman Dongol Maharjan; [2011]
    Keywords : Amplify-and-forward AF ; orthogonal space-time codes OSTBCs ; correlated Nakagami-m fading; detection probability; cognitive radio.;

    Abstract : In the last ten years, we have been witnessing the vast growth in wireless communications due to the popularity of many wireless devices, mobiles, smart phones etc. As a result, the demand for high data rates, bandwidth, and spectrum utilization has increased. READ MORE

  4. 23. Code Shift Reference Impulse Based Cooperative UWB Communication System

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Pir Meher Ali Shah; Ashik Gurung; Mohammad Abdul Rub; [2011]
    Keywords : Transmitted Reference TR UWB; Frequency Shift Reference FSR UWB; Code Shift Reference UWB; Cooperative Communication; Impulse Radio UWB; Decode and Forward. ;

    Abstract : Ultra wideband (UWB) is a radio technology in which the transmission of information is done over a large bandwidth with very short pulses at low energy levels. UWB technology has gained a high popularity in the field of short-range wireless communications. READ MORE

  5. 24. Spectrum Sensing and Management in Cooperative Cognitive Radio

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Ghayoor Abbas Jafri; Ateeq Ur Rehman; Muhammad Tariq Sadiq; [2011]
    Keywords : Cognitive radio networks; Cooperative communication; Dynamic spectrum sharing; Cross layer design ; OC-MAC Protocol ; Opportunistic spectrum access; Spectrum sensing; Spectrum management;

    Abstract : In the last few years, there has been enormous improvement in mobile communication services. Due to this rapid growth in the field of communications, the demand for wireless spectrum has increased rapidly. In the early days in order to remove the interference problem, the spectrum was assigned statically. READ MORE

  6. 25. Channel measurement and communication module for the Grand Cooperative Driving Challenge

    University essay from Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE)

    Author : Fredrik Bergh; Johan Andersson; [2011]
    Keywords : Wireless communication; data communication; platooning; VANET; 802.11; 802.11p; CALM; GCDC; Grand Cooperative Driving Challenge; ad hoc; competition; vehicular network; vehicular ad hoc networks; ITS; intelligent transport systems; cooperative adaptive cruise control; Trådlös kommunikation; datakommunikation; platooning; VANET; 802.11; 802.11p; CALM; GCDC; Grand Cooperative Driving Challenge; ad hoc; tävling; kooperativ adaptiv farthållare; fordonsnätverk; fordon; ITS; intelligenta transportsystem;

    Abstract : Vehicular ad hoc networks (VANETs) are a hot topic in the intelligent transport system (ITS) area. The introduction of wireless communications between vehicles will enable many useful applications to enhance road traffic safety as well to increase efficiency. The standardization of IEEE 802.11p, being an amendment to IEEE 802. READ MORE