Budapest University of Technology and Economics, Faculty of Electrical Engineering and Informatics

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    Advanced Mobile and Wireless Networks

    A tantárgy neve magyarul / Name of the subject in Hungarian: Fejlett mobil- és vezetéknélküli hálózatok

    Last updated: 2024. február 22.

    Budapest University of Technology and Economics
    Faculty of Electrical Engineering and Informatics
    Electrical Engineering
    Specialization A
    Course ID Semester Assessment Credit Tantárgyfélév
    VIHIMA16   2/1/0/v 5  
    3. Course coordinator and department Dr. Bokor László,
    4. Instructors Dr. László Bokor, PhD. associate professor, BME HIT
    5. Required knowledge Infocommunication; Infocommunication Theory
    6. Pre-requisites
    (TárgyEredmény( "BMEVIHIMA07", "jegy" , _ ) >= 2
    TárgyEredmény("BMEVIHIMA07", "FELVETEL", AktualisFelev()) > 0)

    A fenti forma a Neptun sajátja, ezen technikai okokból nem változtattunk.

    A kötelező előtanulmányi rend az adott szak honlapján és képzési programjában található.

    7. Objectives, learning outcomes and obtained knowledge The course aims to give students an in-depth introduction to the latest networking technologies for mobile and wireless communications and a complex knowledge of the complete architecture of each relevant family of technologies. After an introduction and an adequately positioned evolutionary/historical retrospective, the course will approach the available solutions through the most relevant use cases. To this end, the network use cases that can be delineated by, among others, Industry 4.0, mission-critical scenarios, cooperative intelligent transport systems services, and resource-critical applications will be presented and used to define the requirements for supporting network environments. Along the novel use cases and requirements, the advanced technologies of IEEE 802.11 (11ac, 11ah, 11af, 11r, 11p, 11bd...) are first discussed, followed by the 60GHz millimeter-wave multi-gigabit wireless networks (WiGig, WiHD). 4G and 5G representatives of mobile cellular infrastructures will be presented in the next module, with a focus on 5G NR standards, the latest spectrum usage technologies (e.g., 3D beamforming, DAS, LAA), energy efficient approaches (DTX, antenna muting), application specific developments (IoT, streaming, V2X), and 5G core network technologies (SDN, NFV, slicing, MEC, etc.), with a look at beyond 5G and 6G development directions. Moving on to vehicular ad-hoc networks (VANET) systems, the course will focus on the primary architectural considerations, with a description of the most common standardized solutions currently in use (ITS-G5/DSRC, WAVE), also covering the specifics of 4G and 5G cellular V2X, as well as hybrid V2X communication, and finally the current relationship between the IP and V2X worlds (IPWAVE and its issues). As a last module, specific technologies for IoT will be presented, also characterizing the complete protocol layer structure and corresponding complete architectures, from the application layer to radio solutions (e.g., MQTT, CoAP, 6LowPAN, 6Lo, RPL, CARP, ZigBee, LoRa, Sigfox, NB-IoT), with appropriately selected protocol descriptions and efficient backward/forward references to Wi-Fi and mobile cellular systems.
    8. Synopsis Introduction

    Motivations, use cases (industrial networks, intelligent transport, logistics, mission, and resource critical scenarios), requirements, how technologies are grouped, segmentation of areas covered in the course, history review (why "advanced"), trends (hype curves, Global Mobile Data Forecast).

    Basic principles of mobile and wireless communication

    Basic networking principles (circuit and packet switching, layered architecture, TCP/IP and ITS stack, role of cross-layer optimisation, radio communication basics, mobile vs. wireless), summary of key issues that distinguish wireless and wired networks (mobility, handover, connectivity).

    Emerging Wi-Fi technologies

    Wi-Fi basics (features, phy, mac, architecture), components (AP, WLC, access/trunk ports), topologies, SSID, AP modes, legacy Wi-Fi standards (802.11a/b/g/n/ac), evolution of Wi-Fi technologies, details of emerging technologies (802.11ac/ax/ah/af/r).

    60 GHz multi-gigabit Wi-Fi networks

    60 GHz millimeter wave multi-gigabit wireless network basics (frequency allocation, transmission power limitations, advantages/disadvantages, application areas), wireless standards targeting 60 GHz, WiGig (802.11ad and 802.11ay), WiHD/WirelessHD/UltraGig (PHY /HRP, MRP, LRP/, OFDM specifics, MAC).

    5G network principles and architecture

    Evolution of mobile cellular networks (comparison of generations), 5G network architecture principles, 5G definition and capabilities, 3GPP/ITU-R timeline, 5G verticals, common application areas and requirements (eMBB, URLLC, mMTC), introduction of application-specific developments (IoT, streaming, V2X), 5G spectrum, service-based architecture principle, 5G network architecture options (NSA, SA) and functional building blocks, 5G FMC and FWA architectures.

    5G radio access technologies

    Fundamentals of scalable OFDM, 5G multiple access technologies, NR standard and its evolution (rel 15/16/17), frame structure, massive MIMO, new spectrum usage methods (3D beamforming, DAS, LAA), energy efficient solutions (DTX, antenna muting).

    5G core network technologies

    CapEx/OpEx reduction and other motivations, basics of virtualisation solutions for 5G networks and telco-specific technologies (telco cloud/edge cloud, SDN, NFV /VNF, CNF/, MEC), DRAN/C-RAN/vRAN/O-RAN organised radio access networks, cloud-native service environments, resource management tailored to usage characteristics (network slicing, 5G QoS, network slice lifecycle, orchestration).


    6G industry visions, use cases (AR/VR/MR/XR, digital twin/replica, telepresence), 6G standardisation and scheduling, 6G requirements, 6G research and standardisation areas, potential 6G technologies (OFDM-based and/or new solutions, cm/mm wavelength and THz spectrum, extreme coverage, new NW topology, enhanced mMIMO/URLLC/mMTC, AI in all functionalities).

    Wi-Fi based vehicular communication technologies

    Fundamentals of VANET architectures and technologies, introduction to V2X (contexts, use cases, challenges/requirements, evolution, standardisation, current state), standard C-ITS architecture and protocol stack, ITS-G5/DSRC and WAVE standards (IEEE 1609) based on 802.11p, evolution of 802.11bd, IPWAVE and its issues (simultaneous multi-access, IP mobility management, access network discovery, handover optimisation, etc.)

    Vehicular communication technologies based on mobile cellular infrastructures

    Vehicular communication use cases identified by 3GPP, AECC and 5GAA, the link between vehicular communication and MEC, 4G LTE-based vehicular communication solutions, rel14/15/16 evolution, 5G NR V2X, hybrid (3GPP + non-3GPP) V2X communication, 6G V2X.

    Internet of Things (IoT) and principles of Machine to Machine (M2M) communications

    From the Internet to the Internet of Things (opportunities, challenges, new services), specific IoT and M2M enablers (industry 4.0, PAN, healthcare, transportation, energy industry, smart solutions and devices, integration issues, standards), IoT/M2M architectures, networks and communication, RFID technology, smart sensors and sensor networks, IoT/M2M services and applications.

    Advanced wireless technologies in the IoT/M2M world

    Infrastructure and ad-hoc communication mode, QoS and mobility support, PAN protocols (IEEE 802.15.4, ZigBee, 6LowPAN) WAN protocols (802.11, Wi-Fi), WMAN/WWAN solutions (IEEE 802.16, mMTC, cMTC).

    Higher layer IoT/M2M protocols

    IoT ecosystem in terms of services, specific IoT protocols at the application and other layers (CoAp, HTTP, MQTT, LwM2M), IoT/M2M standardisation (challenges and issues, standardisation efforts in CASAGARAS, W3C, oneM2M, ANEC and others).

    Detailed topics for the practices

        The problem of mobility management and basic solutions
        Comparison of Wi-Fi technologies
        Examining 5G network architecture
        802.11p based V2X protocols
        Using PC5 and Uu interfaces for cellular vehicle communication
        MEC-based optimisation of specific mobile applications
        IoT service architectures

    9. Method of instruction Lectures, small group individual or guided laboratory practices.
    10. Assessment During term time: Passing 1 mid-term exam in the middle of the semester.

    During the examination period: Final exam (written form, theoretical questions + simple exercises).

    Grading: Final exam result (75% weight) + mid-term result (25% weight).
    11. Recaps Repetition of the mid-term exam during the repetition period.

    12. Consultations On request, consultation can be arranged in advance prior to the mid-term exam.
    13. References, textbooks and resources Preparation will be aided by the extended lecture slides and the bibliography given below:

        Fundamentals of 5G Communications: Connectivity for Enhanced Mobile Broadband and Beyond: Wanshi Chen, Peter Gaal, Juan Montojo, Haris Zisimopoulos, 1st edition, ISBN-13: 978-1260459999, McGraw Hill, 2021.

        Shaping Future 6G Networks: Needs, Impacts, and Technologies: Emmanuel Bertin, Noël Crespi, Thomas Magedanz, ISBN-13: 978-1119765516, IEEE Press, 2021.

        Vehicular Networking:  Christoph Sommer, Falko Dressler, ISBN-13: 978-1107046719, 2015.

        Fundamentals of Internet of Things: For Students and Professionals: John Dian, ISBN-13: 978-111984729, Wiley-IEEE Press; 1st edition, 2022.

        The WiFi Networking Book: WLAN Standards: IEEE 802.11 bgn, 802.11n , 802.11ac and 802.11ax: Gordon Colbach, ISBN-13: 978-1073328420, ‎Independently published, 2019.

    14. Required learning hours and assignment
    Contact hours (3+1 hours per week x 14 weeks)
    Preparation for classes
    Preparation for the mid-term exam
    Studying the assigned written learning material
    Preparation for the final exam
    15. Syllabus prepared by Dr. László Bokor, PhD, associate professor, HIT
    Dr. Károly Farkas, PhD, associate professor, HIT
    Dr. Péter Fazekas, PhD, research engineer, Nokia-Bell Laboratories
    Péter Suskovics, research engineer, Ericsson Magyarország
    Dr. Miklós Telek, PhD, DSc, full professor, HIT