Sökning: "Elnaggar Mohammed Ismail"

Hittade 5 avhandlingar innehållade orden Elnaggar Mohammed Ismail.

  1. 1. Sigma-delta based techniques for future multi-standard wireless radios

    Författare :Steffen Albrecht; Mohammed Ismail Elnaggar; Franz Dielacher; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Electronic structure; Elektronstruktur;

    Sammanfattning : Improvements in process technology and design innovations have resulted in compact and cost effective digital baseband solutions. The radio part, however, has remained a bottleneck in terms of chip area and power consumption as the feature size of analog devices does not directly benefit from scaling. LÄS MER

  3. 2. Integrated Frequency Synthesis for Convergent Wireless Solutions

    Författare :Jad G. Atallah; Mohammed Ismail Elnaggar; Erik Bruun; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; wireless; transceiver; Bluetooth; DECT; GSM; 3G; LTE; WLAN; WiMAX; multi-standard; vertical handover; Sniffer; frequency synthesizer; phase-locked loop; PLL; sigma-delta; calibration; Electronics; Elektronik;

    Sammanfattning : Wireless transceivers combining several standards in one unit are of key importance. In order to reach the ultimate goal of maximizing the performance-to-cost ratio of such modules, a careful study of the target application, the architecture, and the frequency planning is strongly required. LÄS MER

  4. 3. Security and Privacy in Smartphone Based Intelligent Transportation Systems

    Författare :Vasileios Manolopoulos; Mohammed Ismail Elnaggar; Ana Rusu; Saul Rodriguez; Christian Gehrmann; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SRA - ICT; SRA - Informations- och kommunikationsteknik;

    Sammanfattning : .... LÄS MER

  5. 4. VCOs for future generations of wireless radio transceivers

    Författare :Wim Michielsen; Mohammed Ismail Elnaggar; Georges Gielen; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; chip-package co-design; system-on-chip; system-on-package; MCM; Electrical engineering; Elektroteknik;

    Sammanfattning : .... LÄS MER

  7. 5. Mobile Phone-based Vehicle Positioning and Tracking and Its Application in Urban Traffic State Estimation

    Författare :Sha Tao; Ana Rusu; Elnaggar Mohammed Ismail; Saul Rodriguez; Wilco Burghout; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SRA - ICT; SRA - Informations- och kommunikationsteknik; SRA - Transport; SRA - Transport;

    Sammanfattning : Enabling the positioning and tracking of mobile phones has emerged as a key facility of existing and future generation mobile communication systems. This feature provides opportunities for many value added location-based services and systems. LÄS MER