Uplink scheduling in LTE and LTE-advanced: Tutorial, survey and evaluation framework

Najah Abu-Ali, Abd Elhamid M. Taha, Mohamed Salah, Hossam Hassanein

    Research output: Contribution to journalArticlepeer-review

    139 Citations (Scopus)


    The choice of OFDM-based multi-carrier access techniques for LTE marked a fundamental and farsighted parting from preceding 3GPP networks. With OFDMA in the downlink and SC-FDMA in the uplink, LTE possesses a robust and adaptive multiple access scheme that facilitates many physical layer enhancements. Despite this flexibility, scheduling in LTE is a challenging functionality to design, especially in the uplink. Resource allocation in LTE is made complex, especially when considering its target packet-based services and mobility profiles, both current and emerging, in addition to the use of several physical layer enhancements. In this paper, we offer a tutorial on scheduling in LTE and its successor LTE-Advanced. We also survey representative schemes in the literature that have addressed the scheduling problem, and offer an evaluation methodology to be used as a basis for comparison between scheduling proposals in the literature.

    Original languageEnglish
    Article number6687313
    Pages (from-to)1239-1265
    Number of pages27
    JournalIEEE Communications Surveys and Tutorials
    Issue number3
    Publication statusPublished - 2014


    • 3GPP
    • LTE
    • LTE-Advanced
    • SC-FDMA
    • carrier aggregation
    • coordinated multi-point transmission/reception
    • machine type communication
    • non-contiguous SC-FDMA
    • scheduling

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering


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