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  • Tag: LTE-Advanced

    Narrowband IoT (NB-IoT) Overview – Post from Grandmetric Advisor

    Narrowband Internet of Things (NB-IoT) is a secure, reliable, and efficient type of Low-Power Wide-Area (LPWA) Technology that was standardized by 3GPP in Release 13 (LTE Advanced Pro) and uses licensed spectrum.

    Date: 16.02.2018

    What are the practical aspects of LTE, LTE-Advanced Pro and 5G? – A new book.

    This book guides you through the LTE, LTE-Advanced Pro and 5G from the perspective of practical aspects of air interface, RAN, Core Network and end-to-end data transfer. The practical approach is reflected by the angle of system design, link budget process, network planning, parameter configurations and optimizations together with the required tradeoffs. We also evaluate the different features’ impact on the overall system as it evolves from LTE to LTE-Advanced and then going further to LTE-Advanced Pro and 5G.

    6
    Date: 12.10.2017

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    “3GPP Spectrum Access Evolution Towards 5G” – a survey paper co-authored by Grandmetric

    The survey article co-authored by Grandmetric and Movilo, “3GPP Spectrum Access Evolution Towards 5G“, Michal Szydelko and Marcin Dryjanski [1], presents the evolution of: EUTRA frequency bands, Spectrum aggregation mechanisms, Spectrum licensing, Duplexing schemes, Spectrum sharing, Spectrum refarming techniques, within 3GPP, with the focus on LTE-Advanced Pro [2] and beyond. Note: this article reflects the […]

    Date: 13.03.2017

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    LTE-Advanced Pro with WiFi: RAN-level integration

    WiFi has been considered as an offload mechanism since the introduction of LTE in 3GPP Rel-8. However, the initial inter-working between the two Radio Access Technologies (RATs) was very loose, with WiFi connected to the Evolved Packet Core (EPC) with the help of add-on functions (such as ANDSF hidden deep in the network) making suggestions for […]

    3
    Date: 16.01.2017

    LTE evolution: from LTE, via LTE-Advanced, towards LTE-Advanced Pro

    In this article I’m sharing a short overview of the LTE evolution, starting with its introduction within 3GPP Release 8 back in early 2009 up to LTE-Advanced Pro to be finalized in March 2016 within Release 13[1]. Timeline, main features and a maximum throughput calculation is provided for each of the LTE evolution steps.   […]

    7
    Date: 15.12.2015

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    HetNet challenges with an outlook towards 5G

    Booming mobile data demand observed in cellular networks all over the world and forecasted by various studies (e.g. Cisco VNI[1]), driven by the increasingly growing availability of wide range of data-hungry mobile devices, is commonly considered as the main driver for mobile networks evolution Towards 5G. It’s not only the smartphones, tablets and/or phablets with […]

    Date: 30.10.2015

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    Mobile network architecture – 4G design issues

    This time I’d like to sketch the current LTE mobile network architecture. After the basic introduction of nodes and interfaces in-between them I’ll underline the most important aspects in terms of network design. The design issues are discussed in the context of radio interface and the IP-based interfaces within RAN and CN.   LTE network architecture […]

    2
    Date: 24.09.2015

    Category:
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