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Resource Allocation in Hospital Networks Based on Green Cognitive Radios

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Abstract

Pervasive wireless communication and computing can facilitate a variety of e-health applications to communicate patient medical data and information to the doctors/caregivers in an e-Health environment. With the advancement of medical devices and practicing methods the concept of in-cooperating latest communication techniques have taken a new direction by enabling cognitive radio networks in e-Health applications. This paper presents an approach to solve the joint call admission control and power allocation problem in a hospital environment based on green cognitive radio. Specifically, a multi-objective non-convex mixed integer non-linear programming (MINLP) problem of wireless access in an indoor hospital environment is formulated to maximize the number of admitted secondary users and minimize transmit power and carbon dioxide emission. Along with that the throughput requirement of all secondary users and interference constraints for the protected and primary users are also satisfied. In this paper, we invoke outer approximation approach based linearization technique to solve MINLP problem. The proposed method gives guaranteed \(\varepsilon \) convergence to the optimal solution results with reasonable computational complexity. Simulation results verify the effectiveness of the proposed approach method.

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Acknowledgments

This work was supported in part by NSERC Discovery grants.

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Authors and Affiliations

  1. Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada

    Yicong Liu, Muhammad Naeem & Alagan Anpalagan

  2. COMSATS Institute of Information technology, Wah Campus, Islamabad, Pakistan

    Muhammad Iqbal, Muhammad Naeem & N. N. Qadri

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  1. Yicong Liu
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  2. Muhammad Iqbal
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  3. Muhammad Naeem
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  4. Alagan Anpalagan
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  5. N. N. Qadri
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Correspondence to Alagan Anpalagan.

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Liu, Y., Iqbal, M., Naeem, M. et al. Resource Allocation in Hospital Networks Based on Green Cognitive Radios. Wireless Pers Commun 85, 1487–1507 (2015). https://doi.org/10.1007/s11277-015-2852-x

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  • DOI: https://doi.org/10.1007/s11277-015-2852-x

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