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Downlink Scheduling and Power Allocation in Cognitive Femtocell Networks

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Cognitive Radio Oriented Wireless Networks (CrownCom 2015)

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Abstract

We consider resource assignment and power allocation problem in femtocells under channel estimation errors. Our formulation is to maximize the throughput of femtocell users that share spectrum resources with macrocell base station (MBS) while limiting interference between macrocell and femtocells. Using cognitive capabilities, femtocell basestations (FBS) can acquire the needed information about the neighboring MBS users to reduce cross-tier interference between FBS and MBS users. We analyze the distributions of signal to interference and noise ratio (SINR) of MBS users and signal to interference ratio (SIR) of FBS users. Based on the analytical results, we present resource assignment and power allocation solutions to maximize the mean sum rate subject to SINR and SIR outage constraints, along with simulation verifications.

This material is based upon work supported by National Science Foundation under Grants ECCS-1307820, CNS-1443870, and CNS-1457060. The work of the \(1^{st}\) author is also supported by an Egyptian Government grant.

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Author information

Authors and Affiliations

  1. University of California, Davis, CA, 95616, USA

    Hesham M. Elmaghraby, Dongrun Qin & Zhi Ding

Authors
  1. Hesham M. Elmaghraby
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  2. Dongrun Qin
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  3. Zhi Ding
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Corresponding author

Correspondence to Hesham M. Elmaghraby .

Editor information

Editors and Affiliations

  1. Texas A&M University at Qatar, Doha, Qatar

    Mark Weichold

  2. Hamad Bin Khalifa University, Doha, Qatar

    Mounir Hamdi

  3. Texas A&M University of Qatar, Doha, Qatar

    Muhammad Zeeshan Shakir

  4. Texas A&M University at Qatar, Doha, Qatar

    Mohamed Abdallah

  5. Greece and Khalifa University,, Aristotle University of Thessaloniki,, United Arab Emirates, United Arab Emirates

    George K. Karagiannidis

  6. Texas A&M University at Qatar, Doha, Qatar

    Muhammad Ismail

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© 2015 Institute for Computer Science, Social Informatics and Telecommunications Engineering

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Elmaghraby, H.M., Qin, D., Ding, Z. (2015). Downlink Scheduling and Power Allocation in Cognitive Femtocell Networks. In: Weichold, M., Hamdi, M., Shakir, M., Abdallah, M., Karagiannidis, G., Ismail, M. (eds) Cognitive Radio Oriented Wireless Networks. CrownCom 2015. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 156. Springer, Cham. https://doi.org/10.1007/978-3-319-24540-9_8

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  • DOI: https://doi.org/10.1007/978-3-319-24540-9_8

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-24539-3

  • Online ISBN: 978-3-319-24540-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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