Sökning: "millimeter-wave"

Visar resultat 16 - 20 av 127 avhandlingar innehållade ordet millimeter-wave.

  1. 16. Multi-Gigabaud Millimeter-Wave Communication - Challenges and Solutions

    Författare :Jingjing Chen; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; phase noise; high-order modulation; 5G; multi-gigabaud; PAM-4; high data rate; white noise; multi-gigabit; phase noise mitigation; 64-QAM; mobile backhaul; VCSEL driver; Frequency multiplier; modem; high frequency oscillator; multiplicative noise; power detector; fronthaul; millimeter-wave communication;

    Sammanfattning : A major challenge in future mobile networks is to overcome the capacity barrier in wireless communication. Utilizing large bandwidth at higher frequencies is key to enabling capacity upgrade for next generation mobile networks (5G). LÄS MER

  3. 17. Monolithic Micro- and Millimeter-wave Integrated Circuits in 90 nm CMOS Technology

    Författare :Bahar M. Motlagh; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; power divider; CMOS integrated circuits; 90 nm CMOS technology; 60 GHz; microstrip line; Si-MMIC; capacitor; balun; millimeter wave; resistive mixer;

    Sammanfattning : The objective of this work has been to design and characterize microwave components and circuits within a 90 nm RF-CMOS process.The work has been divided into two parts: integration of passive components and design and characterization of several mixer circuits. LÄS MER

  4. 18. Seamless Millimeter-wave Connectivity via Efficient Beamforming and Handover

    Författare :Sara Khosravi; Marina Petrova; Jens Zander; Riku Jäntti; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Millimeter wave networks; Beamforming; Handover; Reinforcement learning; Informations- och kommunikationsteknik; Information and Communication Technology;

    Sammanfattning : Extremely high data rate demands, and the spectrum scarcity at the microwave bands, make the millimeter wave (mmWave) band a promising solution to satisfy the high data rate demands in wireless networks. The main advantage of moving to the mmWave spectrum is the availability of large bandwidth. LÄS MER

  5. 19. Microwave and Millimeter-Wave Monolithic Integrated Circuits in CMOS and GaAs-mHEMT Technologies

    Författare :Bahar M. Motlagh; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MMIC; power divider; double-slot antenna; 60 GHz; millimeter-wave; GaAs-mHEMT; CMOS integrated circuits; antenna integration; noise measurement; 100 nm mHEMT technology; balun; capacitor; microstrip line; single-ended; 90 nm CMOS technology; single-balanced; resistive mixer; 210 GHz;

    Sammanfattning : The objective of this work has been to design and characterize microwave and millimeter-wave components and circuits within a 90 nm Si-CMOS process and a 100 nm GaAs-mHEMT process. The work is divided in two parts depending on the technology. LÄS MER

  7. 20. GaN HEMT Based Highly Integrated Active Antenna Element for Millimeter-Wave Array Transmitters

    Författare :Wan-Chun Liao; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; GaN HEMT; co-design; power amplifier.; millimeter-wave; energy-efficient; mutual coupling; Active integrated antenna;

    Sammanfattning : .... LÄS MER