Sökning: "CSMA CA"

Visar resultat 1 - 5 av 8 avhandlingar innehållade orden CSMA CA.

  1. 1. Multihop Wireless Networks with Advanced Antenna Systems : An Alternative for Rural Communication

    Författare :Marvin Sánchez Garache; Jens Zander; Martha Steenstrup; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Multihop Wirless Networks; Advanced Antenna Systems; Multiple Access Protocols; Spatial TDMA; CSMA CA; link-scheduling; power control; variable transmission rate; Telecommunication; Telekommunikation;

    Sammanfattning : Providing access to telecommunication services in rural areas is of paramount importance for the development of any country. Since the cost is the main inhibiting factor, any technical solution for access in sparsely populated rural areas has to be reliable, efficient, and deployable at low-cost. LÄS MER

  3. 2. Communication-Computation Efficient Federated Learning over Wireless Networks

    Författare :Afsaneh Mahmoudi; Carlo Fischione; José Mairton Barros da Silva Jr.; Nikolaos Pappas; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : With the introduction of the Internet of Things (IoT) and 5G cellular networks, edge computing will substantially alleviate the quality of service shortcomings of cloud computing. With the advancements in edge computing, machine learning (ML) has performed a significant role in analyzing the data produced by IoT devices. LÄS MER

  4. 3. Interference Coordination for Low-cost Indoor Wireless Systems in Shared Spectrum

    Författare :Du Ho Kang; Jens Zander; Mischa Dohler; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Mobile broadband services have become a big success over the last several years. Innovative, smart handsets have caused explosive traffic growth which has led to a severe capacity shortage. LÄS MER

  5. 4. Protocol Design for Control Applications using Wireless Sensor Networks

    Författare :Pangun Park; Karl Henrik Johansson; Anna Scaglione; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; Elektroteknik;

    Sammanfattning : Given the potential benefits offered by wireless sensor networks(WSNs), they are becoming an appealing technology for process,manufacturing, and industrial control applications. In thisthesis, we propose a novel approach to WSN protocol design forcontrol applications. LÄS MER

  7. 5. Towards energy efficient protocols for active RFID

    Författare :Björn Nilsson; Högskolan i Halmstad; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; RFID; active RFID; protocol; back-off; carrier sense; energy efficient; wireless networks; active tag; energy consumption; Computer engineering; Datorteknik;

    Sammanfattning : The absence of a global standard is a bottleneck when using Radio Frequency Identification (RFID) technology. This thesis explores data communication protocols for Active-RFID regarding their energy efficiency and how they can be suited to fit a large variety of applications. LÄS MER