Sökning: "multi-carrier modulation"

Hittade 2 avhandlingar innehållade orden multi-carrier modulation.

  1. 1. Diversity and Interference Aspects in the Downlink of Code Division Multiple Access Systems

    Författare :Anders Persson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; orthogonal frequency division multiplexing; multi-carrier modulation; Rayleigh-fading channels; code division multiple access; frequency-selective channels; multiple access interference; diversity;

    Sammanfattning : This thesis consists of six included papers and technical reports, plus an introduction. The topic studied is interference and diversity aspects in code division multiple access (CDMA) systems for mobile cellular communications. The focus in the papers is on the downlink - the communication link from the base station to the mobile terminal. LÄS MER

  3. 2. A Feasibility Study of Wireless Networks for 17 and 60 GHz and the Impact of Deployment Strategies on the System Performance

    Författare :Matthias Unbehaun; Jens Zander; Gerald Q. Jr. Maguire; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Information technology; Informationsteknik; SRA - ICT; SRA - Informations- och kommunikationsteknik;

    Sammanfattning : This thesis addresses the question of how to deploy the infrastructure for wireless networks carrying high data rate services. It starts from the assumption that a major part of the costs for installing wireless infrastructure is caused by antenna site acquisition, planning of network coverage and capacity as well as manpower for setting up and wiring the antenna sites. LÄS MER