Search for dissertations about: "radio-over-fiber"

Found 5 swedish dissertations containing the word radio-over-fiber.

  1. 1. Millimeter-Wave Photonics: Signal Sources and Transmission Links

    Author : Andreas Wiberg; [2005]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; microwave photonics; mm-wave generation; radio over fiber; photonic frequency multiplication; millimeter-wave photonics; millimeter-waves; millimeter-wave communication system;

    Abstract : With the use of higher and higher frequencies in a number of current and future wireless millimeter-wave applications it is beneficial to use photonics for several reasons. The use of optical fibers is an advantageous way to transport millimeter-waves in terms of loss, mechanical flexibility, weight, and insensitivity to electromagnetic interference. READ MORE

  2. 2. High-capacity short-reach optical communications

    University dissertation from KTH Royal Institute of Technology

    Author : Rui Lin; KTH.; [2016]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; optical communication; optical frequency comb; radio-over-fiber; optical interconnect; fiberoptisk kommunikation; optisk frekvenskams; Radio-över –fiber; passiva optiska interconnects; Informations- och kommunikationsteknik; Information and Communication Technology;

    Abstract : The global traffic is experiencing an exponential growth posing severe challenges to the communication networks in terms of capacity. As a future-proof technology fiber communication is widely implemented in different network segments, which can be categorized by transmission distance as long-haul and short-reach. READ MORE

  3. 3. Generation, Modulation, and Detection of Signals in Microwave Photonic Systems

    University dissertation from KTH Royal Institute of Technology

    Author : Andreas Wiberg; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Microwave photonics; radio over fiber; mm-wave generation; PSK; QAM; subcarrier modulation; photonic frequency multiplication; spurious free dynamic range third-order intercept point; millimeter-wave photonics; uni-travelling-carrier photodiode; millimeter-wave communication system;

    Abstract : This thesis deals with the use of photonic technology in microwave and millimeter-wave applications. The two major parts of this work have been techniques for transmission and signal generation. READ MORE

  4. 4. Low Cost Remote Antenna Units in CMOS for Fiber-fed Distributed MIMO Systems

    University dissertation from The Department of Electrical and Information Technology

    Author : Waqas Ahmad; Lund University.; Lunds universitet.; Lund University.; Lunds universitet.; [2016-08-26]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Remote Antenna Unit; distributed MIMO systems; CMOS technology; power amplifier; linearization; CMOS photodiodes; transimpedance amplifier; radio over fiber; optical communication;

    Abstract : Massive multiple input multiple output (MIMO) is a revolutionary communication technique, where large numbers of antennas are employed at the base stations to increase the spectral efficiency, reliability and data rate of the system. Moreover, in multi-user MIMO (MU-MIMO) multiple users can be served by the base stations on the same time-frequency resource. READ MORE

  5. 5. Threshold and Temperature Characteristics of InGa(N)As-GaAs Multiple Quantum Well Lasers

    University dissertation from The Department of Electrical and Information Technology

    Author : Göran Adolfsson; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; GaAs; Semiconductor lasers; molecular beam epitaxy; multiple quantum wells; characteristic temperature; temperature dependence; dilute nitrides; ambipolar diffusion; InGa N As;

    Abstract : Semiconductor lasers emitting in the 1.3 μm regime are of interest for applications in access-networks like fiber-to-the-home and radio-over-fiber systems. Suchfiber optical networks are expected to replace the copper-based access-networks currently in use due to a continuously increasing demand on user bandwidth. READ MORE