Sökning: "Flat Array Antennas"

Hittade 4 uppsatser innehållade orden Flat Array Antennas.

  1. 1. Beam Steering Antenna Based on Continuous Transverse Stub Array and Flat Risley Prism Metasurface Lens

    Kandidat-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Carl Henriksson; Jonathan Fransson; [2023]
    Nyckelord :;

    Sammanfattning : Satellite communication is an integral part of society in this day and era. Due tobandwidth limitations communication frequencies have moved into higher frequencybandwidths. With the advancements in communication comes the demand for more efficientantennas due to the high attenuation of millimeter wavelength frequencies. LÄS MER

  3. 2. Near Field millimeter Wave Antenna Measurements

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Bharath Manjunatha; [2023]
    Nyckelord :Antenna Pattern; Near field to far field; Planar Scanning; Probe Compensation; Active Antenna; Technology and Engineering;

    Sammanfattning : In the real world, understanding an antenna's radiation pattern is crucial for its proper utilization. Typically, antennas are tested in the far-field region, where the radiation lobes are fully developed and phase errors are less than pi/8. LÄS MER

  4. 3. Design of a Novel Flat Array Antenna for Radio Communications

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :Tahir Mehmood; Yu Yun; [2011]
    Nyckelord :Slotted Waveguide Array Antenna; Flat Array Antennas; Microwave communication;

    Sammanfattning : In mobile microwave communication, reflector antennas have widely been used for very long time. Flat array antennas which have very rigid structure are being used in satellite communication, radar and airborne applications. These antennas are relatively smart in size and have more rigid structure than reflector antennas. LÄS MER

  5. 4. PERFORMANCE EVALUATION OF LTE DOWNLINK WITH MIMO TECHNIQUES

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :Mengistu GESSESE; Olayinka OLADELE; [2010]
    Nyckelord :3GPP LTE; 16QAM; 64QAM; EPS; ITU-B; MIMO; OFDM; OFDMA; SCFDMA; SSD; UMTS; ZF;

    Sammanfattning : Long Term Evolution (LTE) of the Universal Mobile Telecommunication System (UMTS) also known as the Evolved Packet System (EPS) is a transilient move in the field of mobile communications. Such a revolution is necessitated by the unceasing increase in demand for high speed connections on networks, low latency and delay, low error rates and resilience because modern users and network applications have become increasingly dependent on these requirements for efficient functionality and performance. LÄS MER