Comparing uplink schedulers for LTE

  • Authors:

  • Khalid Elgazzar;Mohamed Salah;Abd-Elhamid M. Taha;Hossam Hassanein

  • Affiliations:

  • Queen's University, Kingston, Ontario;Queen's University, Kingston, Ontario;Queen's University, Kingston, Ontario;Queen's University, Kingston, Ontario

  • Venue:
  • Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
  • Year:
  • 2010

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Abstract

The choice of SC-FDMA for uplink access in Long Term Evolution (LTE) facilitates great flexibility in allocating medium resources to users while adapting to medium condition. A multicarrier multiple access technique, SC-FDMA gains an advantage over OFDMA in that it reduces the energy requirements in user equipment. 3GPP Releases 8 and 9, however, do not detail a specific scheduler and, accordingly, proposals have been made in the literature in designing an efficient and capable uplink scheduler for LTE. This paper presents a preliminary performance evaluation for representative proposals, and offers medium of comparison in order to highlight the individual characteristics of each proposals.