Priority-Based Resource Scheduling in Hybrid-Access LTE Femtocell

Research paper
  • 19 Downloads

Abstract

Femtocell technology is an emerging solution that is promising for improving indoor coverage problems and enhancing cell capacity. In a femtocell network, the overall system performance depends on the access method utilized, which specifies whether a specific user equipment can connect to the femtocell network. Three access methods are defined for long-term evolution (LTE) femtocell networks: open access, closed access and hybrid access. For fair and effective use of resources, hybrid access is preferred. Because some of the resources are shared among nonregistered users, it is essential to regulate their scheduling schemes. This study investigates resource scheduling for femtocell networks in hybrid access mode, which gives preferential access to the high-priority traffic of nonsubscribers. High-priority traffic metric (THP) is calculated for high-priority users, and low-priority traffic metric (TLP) is calculated for low-priority users. Then, individual sorted lists are formed for (THP) and (TLP). Nonsubscribers from the (THP) list are allocated initially, after which UEs from the (TLP) list are chosen for allocation based on resource availability, thereby increasing the overall average throughput of high-priority users in a network.

Keywords

LTE macrocell femtocell resource allocation scheduling 

References

  1. [1]
    V. Chandrasekhar, J. F. Andrews, A. Gatherer. Femtocell networks: a survey [J]. IEEE Communications Magazine, 2008, 46(9): 59–67.CrossRefGoogle Scholar
  2. [2]
    H. Claussen, L. T. W. Ho, L. G. Samuel. An overview of the femtocell concept [J]. Bell Labs Technical Journal, 2008, 13(1): 221–245.CrossRefGoogle Scholar
  3. [3]
    A. Barbieri, A. Damnjanovic, T. Ji, et al. LTE femtocells: system design and performance analysis [J]. IEEE Journal on Selected Areas in Communications, 2012, 30(3): 586–594.CrossRefGoogle Scholar
  4. [4]
    A. Damnjanovic, J. Montojo, Y. Wei, et al. A survey on 3GPP heterogeneous networks [J]. IEEE Wireless Communications, 2011, 18(3): 10–21.CrossRefGoogle Scholar
  5. [5]
    D. Calin, H. Claussen, H. Uzunalioglu, et al. On femto deployment architectures and macrocell offloading benefits in joint macro-femto deployments [J]. IEEE Communications Magazine, 2010, 48(1): 26–32.CrossRefGoogle Scholar
  6. [6]
    P. Lin, J. Zhang, Y Chen, et al. Macro-femto heterogeneous network deployment and management: from business models to technical solutions [J]. IEEE Wireless Communications, 2011, 18(3): 64–70.CrossRefGoogle Scholar
  7. [7]
    H. S. Jo, P. Xia, J. G. Andrews. Open, closed and shared access femtocells in the downlink [J]. EURASIP Journal on Wireless Communications and Networking, 2012, 2012(363): 1–16.Google Scholar
  8. [8]
    P. Mach, and Z. Becvar. QoS guaranteed power control mechanism based on the frame utilization for femtocells [J]. EURASIP Journal on Wireless Communications and Networking, 2011, 2011(16): 1–16CrossRefGoogle Scholar
  9. [9]
    L. Fu, S. C. Liew, J. Huang. Fast algorithms for joint power control and scheduling in wireless networks [J]. IEEE Transactions on Wireless Communications, 2010, 9(3): 1186–1197.CrossRefGoogle Scholar
  10. [10]
    M. Iturralde, T. A. Yahiya, A. Wei, et al. Interference mitigation by dynamic self power control in femtocell scenarios in LTE network [C]//IEEE Global Communications Conference, Anaheim, 2012: 1–6.Google Scholar
  11. [11]
    H. S. Jo, J. G. Yook, C. Mu, et al. A self organized uplink power control for cross tier interference management in femtocell networks [C]//IEEE Military Communications Conference, San Diego, 2008: 1–6.Google Scholar
  12. [12]
    S. J. Kao, H. L. Wang. Dynamic orthogonal frequency division multiple access resource management for downlink interference avoidance in two tier networks [J]. International Journal of Communication Systems, 2015, 28(2): 281–295.CrossRefGoogle Scholar
  13. [13]
    I. Guvenc, M. R. Jeong, F. Watanabe, et al. A hybrid frequency assignment for femtocells and coverage area analysis for co-channel operation [J]. IEEE Communications Letters, 2008, 12(12): 880–882.CrossRefGoogle Scholar
  14. [14]
    V. Chandrasekhar, J. G. Andrews. Spectrum allocation in two tier networks [J]. IEEE Transactions on Communications, 2009, 57(10): 3059–3068.CrossRefGoogle Scholar
  15. [15]
    X. Tao, Z. Zhao, R. Li, et al. Downlink interference minimization in cooperative cognitive LTE femtocell networks [J]. EURASIP Journal onWireless Communications and Networking, 2013, 2013(194): 1–12.Google Scholar
  16. [16]
    J. Xiang, Y. Zhang, T. Skeie, et al. Downlink spectrum sharing for cognitive radio femtocell networks [J]. IEEE Systems Journal, 2010, 4(4): 524–534.CrossRefGoogle Scholar
  17. [17]
    Y. J. Zhang, S. W. Wang. Resource allocation for femtocell networks by using chance constrained optimization [C]//IEEE Wireless Communications and Networking Conference, New Orleans, 2015: 1805–1810.Google Scholar
  18. [18]
    P. Xia, V. Chandrasekhar, J. G. Andrews, et al. Femtocell access control in the TDMA/OFDMA uplink [C]//IEEE Global Telecommunications Conference, Miami, 2010: 1–5.Google Scholar
  19. [19]
    H. S. Jo, P. Xia, J. G. Andrews, et al. Downlink femtocell networks: open or closed [C]//IEEE International Conference on Communications, Kyoto, 2011: 1–5.Google Scholar
  20. [20]
    L. Li, C. Xu, M. Tao. Resource allocation in open access OFDMA femtocell networks [J]. IEEE Wireless Communication Letters, 2012, 1(6): 625–628.CrossRefGoogle Scholar
  21. [21]
    H. Marshoud, H. Otrok, H. Barada, et al. Macrocell femtocells resource allocation with hybrid access motivational model [J]. Physical Communication, 2014, 11: 3–14.CrossRefGoogle Scholar
  22. [22]
    G. de la Roche, A. Valcarce, J. Zhang. Access control mechanisms for femtocells [J]. IEEE Communications Magazine, 2010, 48(1): 33–39.CrossRefGoogle Scholar
  23. [23]
    3GPP. Tech. Specific. Group Radio Access Network—Physical Channel and Modulation (Release 8) [S]. 3GPP TS 36.211.Google Scholar
  24. [24]
    J. Fan, Q. Yin, G. Y. Li, et al. MCS selection for throughput improvement in DL LTE system [C]//IEEE Conference on Computer Communications and Networks, Hawaii, 2011: 1–5.Google Scholar
  25. [25]
    S. F. Sulthana, R. Nakkeeran. Performance analysis of service based scheduler in LTE OFDMA system [J]. Wireless Personal Communications, 2015, 83(2): 841–854.CrossRefGoogle Scholar
  26. [26]
    G. Piro, L. A. Grieco, G. Boggia, et al. Simulating LTE cellular systems: an open source framework [J]. IEEE Transactions on Vehicular Technology, 2010, 60(2): 498–513.CrossRefGoogle Scholar

Copyright information

© Posts & Telecom Press and Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  1. 1.Department of Electronic Engineering, School of Engineering and TechnologyPondicherry UniversityPuducherryIndia

Personalised recommendations