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Agreement-Based Interference-Aware Dynamic Channel Allocation in Cognitive Radio Network (CRN)

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Proceedings of the 5th International Conference on Frontiers in Intelligent Computing: Theory and Applications

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 515))

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Abstract

Cognitive Radio Networks (CRNs) is an intelligent wireless communication network that senses its environment to adjust the transmitter parameters in order to exploit the unused portions of available spectrum. The objective here is to ensure reliable communication with minimum intereference to Primary Users (PUs) and efficient spectrum utilization. The spectrum assigned to licensed users is underutilized and the growing demand causes starvation to the unlicensed users. Thus, CRN senses the available spectrum to find the most appropriate spectrum for allocation. Further, to maximize the efficient use of available spectrum, agreement (consensus) may be used wherein all users agree on a common decision value. In the paper, we discuss various techniques of spectrum allocation in CRN. Lastly, we propose an interference-aware protocol that achieves load balancing, high throughput and less number of reallocations to maximize spectrum utilization. Also, the paper validates the proposed algorithm using the simulation results.

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Authors and Affiliations

  1. PEC University of Technology, Sector-12, Chandigarh, 160012, India

    Diksha & Poonam Saini

Authors
  1. Diksha
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  2. Poonam Saini
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Corresponding author

Correspondence to Diksha .

Editor information

Editors and Affiliations

  1. ANITS, Prof., Comp. Sci. & Engg. Dept. ANITS, Visakhapatnam, Andhra Pradesh, India

    Suresh Chandra Satapathy

  2. Dept. of ECE, Shri Ramswaroop Mem. Group of Prof. Clg Dept. of ECE, Lucknow, Uttar Pradesh, India

    Vikrant Bhateja

  3. SCIS, University of Hyderabad , Hyderabad, India

    Siba K. Udgata

  4. KIIT University, School of Computer Engineering KIIT University, Bhubaneswar, Odisha, India

    Prasant Kumar Pattnaik

A. Appendix

A. Appendix

Procedure: CHANNEL_ALLOCATION ()

  1. i.

    Allocate the first channel to the first user in the ACT table and make the entry of SU in CAT table.

  2. ii.

    Remove the channel allocated in step i and the user with allocated channel from the ACT table.

  3. iii.

    Update channel_demand array.

  4. iv.

    If channel_demand array contains value 1 for any channel, rearrange the channels in the ACT table according to arrangement rules. Else, do nothing.

  5. v.

    Repeat steps from i to iv until all the channels are allocated to some users.

  6. vi.

    If ACT table is not empty, then copy the rows from table O_ACT to ACT table corresponding to the users that are not allocated any channels yet.

  7. vii.

    Update the channel_demand array and rearrange the channels in the ACT table according to arrangement rules.

  8. viii.

    Repeat the above steps until the ACT table becomes empty.

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Diksha, Saini, P. (2017). Agreement-Based Interference-Aware Dynamic Channel Allocation in Cognitive Radio Network (CRN). In: Satapathy, S., Bhateja, V., Udgata, S., Pattnaik, P. (eds) Proceedings of the 5th International Conference on Frontiers in Intelligent Computing: Theory and Applications . Advances in Intelligent Systems and Computing, vol 515. Springer, Singapore. https://doi.org/10.1007/978-981-10-3153-3_8

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  • DOI: https://doi.org/10.1007/978-981-10-3153-3_8

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-3152-6

  • Online ISBN: 978-981-10-3153-3

  • eBook Packages: EngineeringEngineering (R0)

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