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Spectrum Allocation And Power Control In Full Duplex Dense Heterogeneous Network

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ABSTRACT

In this project we present a new interference model for full-duplex dense network (FD-UDN), taking into consideration the inter-cell interference, self-interference, and cross-tier interference. Then, the optimization problem of sub channel allocation and power control is formulated and solved in order to maximize the sum-rate of the small cells. As the direct and unified allocation for the links of small cells will result in large complexity in FD-UDN, we decompose the resource allocation into inter-cell and intra-cell, while the inter-cell allocation is further decomposed into sub channel allocation and power control, and the subsequent intra-cell allocation performs the sub channel allocation between links. Additionally, the average channel gains are used in the inter-cell interference calculation to obtain an approximate result and reduce the complexity.

EXISTING METHOD

  • joint optimization of resource allocation in a heterogeneous network
  • Time slot scheduling and power allocation scheme of single FD cell

DRAWBACKS

  • Low throughput rate with the UE increase in change also.
  • Secret cryptography and key management should be made with much more advancement enabled this make much complicated of the system

PROPOSED METHOD

  • LTE network with decode and forward relaying strategy with high throughput analysis over existing system and real time system analysis.
  • Eaves dropper analysis.
  • Full-Duplex Dense Network (FD-UDN)

ADVANTAGES:

  • Decision based sensing and acquiring the available spectrum over the network leads to analyze the network available in front of the system and feasible to attain much high data rate over the networks
  • Quality of service (QoS) obtained by each secondary user will increase high in a manner.

APPLICATIONS:

  • Urgent needed data transfer application
  • Networks under people much unreachable area

SOFTWARE REQUIREMENT

  • MATLAB 2018 or above versions

REFERENCES

[1] K. I. Pedersen, F. Frederiksen, C. Rosa, et al.. ?Carrier aggregation for LTE-advanced: functionality and performance aspects.? IEEE Communications Magazine, vol. 49, pp. 89-95, Jun. 2011.

[2] Qualcomm. ?LTE in unlicensed spectrum: Harmonious coexistence with Wi-Fi.? White Paper, Jun. 2014.

[3] R. Zhang, M. Wang, L. X. Cai, Z. Zheng, X. Shen and L. L. Xie. ?LTEunlicensed: the future of spectrum aggregation for cellular networks.? IEEE Wireless Communications, vol. 22, pp. 150-159, Jun. 2015.

[4] F. Abinader, E. Almeida, F. Chaves et al.. ?Enabling the coexistence LTE and Wi-Fi in unlicensed bands.? IEEE Communications Magazine, vol. 52, pp. 54-61, Nov. 2014.

[5] A. M. Cavalcante et al.. ?Performance Evaluation of LTE and WiFi Coexistence in Unlicensed Bands.? in 2013 IEEE 77th Vehicular Technology Conference (VTC Spring), Dresden, pp. 1-6, 2013.

[6] M. I. Rahman, A. Behravan, H. Koorapaty, J. Sachs, and K. Balachandran. ?License-exempt LTE systems for secondary spectrum usage:scenarios and ?rst assessment.? in IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN), pp. 349-358, 2011.

[7] A. Babaei, J. Andreoli-Fang and B. Hamzeh. ?On the impact of LTEU on Wi-Fi performance.? in 2014 IEEE 25th Annual International Symposium on Personal, Indoor, and Mobile Radio Communication (PIMRC), Washington DC, pp. 1621-1625, 2014.

[8] S. Y. Lien, J. Lee and Y. C. Liang. ?Random Access or Scheduling: Optimum LTE Licensed-Assisted Access to Unlicensed Spectrum.? IEEE Communications Letters, vol. 20, pp. 590-593, Mar. 2016.

[9] H. Cui, V. C. M. Leung, S. Li and X. Wang. ?LTE in the Unlicensed Band: Overview, Challenges, and Opportunities.? IEEE Wireless Communications, vol. 24, pp. 99-105, 2017.

[10] A. Mukherjee et al.. ?Licensed-Assisted Access LTE: coexistence with IEEE 802.11 and the evolution toward 5G.? IEEE Communications Magazine, vol. 54, pp. 50-57, Jun. 2016.

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