Research Article
Spektrum paylaşım modelinde ikincil kullanıcıların Nakagami-m ve Log-normal sönümlemeli kanallar üzerindeki kapasite analizi
Abstract
Bu çalışmada, bilişsel radyo ağı için spektrum paylaşım modelinde birincil kullanıcıdan gelen girişimin etkisi dikkate alınarak, ortalama alınan güç kısıtlaması altında ikincil kullanıcı için ergodik kapasite performansı analiz edilmektedir. Kapasiteyi maksimuma çıkaran su doldurma çözümü ve güç tahsisi yaklaşımı ile Nakagami-m ve log-normal dağılımlı sönümlemeli kanallar üzerinde ergodik kapasiteye ilişkin teorik çıkarımlar türetilmektedir. Nümerik sonuçlar, birincil ağ kaynaklı girişim kanallarının, ikincil kullanıcının kapasitesi üzerinde önemli ölçüde etki oluşturduğunu göstermektedir. İkincil kullanıcı için ergodik kapasite performansı; Nakagami dağılımın sönümleme parametresi, log-normal dağılımın standart sapması ve ikincil kullanıcın optimum gücünü belirleyen Lagrange çarpanı parametreleri dikkate alınarak, Monte Carlo benzetimleriyle doğrulanmaktadır.
Keywords
Bilişsel radyo Ergodik kapasite Nakagami-m ve log-normal sönümleme kanalları Spektrum paylaşımı
References
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Year 2023,
Volume: 38 Issue: 4, 2205 - 2212, 12.04.2023
Abstract
References
- 1. Haykin S., Cognitive radio: Brain-empowered wireless communications, IEEE Journal on Selected Areas in Comm., 23(21), 201-220, 2005.
- 2. Haneet K., Jha R. K., Jain S., and Kumar P., Protocol design and resource allocation for power optimization using spectrum sharing for 5G networks, Telecommunication Systems, 72, 95–113, 2019.
- 3. Ridhima and Buttar A. S., Fundamental operations of cognitive radio: A survey, IEEE Int. Conf. on Electrical, Computer and Comm. Technologies (ICECCT), 1-5, 2019.
- 4. Federal Communications Commission, Spectrum Policy Task Force Report, ET Docket No. 02-135, 2002. https://www.fcc.gov/document/spectrum-policy-task-force
- 5. Panwar N., Sharma S., and Singh A. K., A survey on 5G: The next generation of mobile communication, Physical Comm., 18(2), 64-84, 2016.
- 6. Namdar M. and Ilhan H., Exact closed-form solution for detection probability in cognitive radio networks with switch-and-examine combining diversity, IEEE Trans. on Vehicular Technology, 67(9), 8215-22, 2018.
- 7. Namdar M. et al., Iterative interference alignment with spatial hole sensing in MIMO cognitive radio networks, Annals of Telecommunications, 9(3), 1-9, 2021.
- 8. Gastpar M., On capacity under received-signal constraints, 42nd Annual Allerton Conf. Comm. Control Computing,1322-31, 2004.
- 9. Musavian L. and Aissa S., Capacity and power allocation for spectrum sharing communications in fading channels, IEEE Trans. on Wireless Comm., 8(1), 148-156, 2009.
- 10. Ghasemi A. and Sousa E.S., Fundamental limits of spectrum-sharing in fading environments, IEEE Trans. on Wireless Comm., 6(2), 649-658, 2007.
- 11. Kang X., Liang Y. C., Nallanathan A., Garg H. K., and Zhang R., Optimal power allocation for fading channels in cognitive radio networks: Ergodic capacity and outage capacity, IEEE Trans. on Wireless Comm., 8(2), 940-950, 2009.
- 12. Bagayoko A., Fijalkow I., and Tortelier P., Power control of spectrum-sharing in fading environment with partial channel state information, IEEE Trans. on Signal Process., 59(5), 2244-56, 2011.
- 13. Kim H., Wang H., Lim S., and Hong D., On the impact of outdated channel information on the capacity of secondary user in spectrum sharing environments, IEEE Trans. on Wireless Comm., 11(1), 284-295, 2012.
- 14. Noh G., Lim S., and Hong D., Exact capacity analysis of spectrum sharing systems: Average received-power constraint, IEEE Comm. Letters, 17(5), 884-887, 2013.
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- 16. Gradshteyn I. S. and Ryzhik I. M., Tables of integrals, series, and products, Elsevier, 7th edition, U.S.A., 2007.
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- 19. Jeffrey A. and Dai H. H., Handbook of mathematical formulas and integrals, Elsevier, 4th edition, U.S.A., 2008.
There are 19 citations in total.
Details
| Primary Language | Turkish |
|---|---|
| Subjects | Engineering |
| Journal Section | Makaleler |
| Authors | |
| Publication Date | April 12, 2023 |
| Submission Date | April 30, 2022 |
| Acceptance Date | October 13, 2022 |
| Published in Issue | Year 2023 Volume: 38 Issue: 4 |