Research Article
Year 2022,
Volume: 4 Issue: 2, 227 - 235, 26.10.2022
Abstract
Bu çalışmada, en yaygın kullanılan yüksek güç kuvvetlendiricileri arasında yer alan katı hal güç kuvvetlendiricisi (SSPA), düşük karmaşıklı-genelleştirilmiş frekans bölmeli çoğullama (LC-GFDM) vericisine uygulanmış olup, bu tür doğrusal olmayan yüksek güç kuvvetlendiricilerinin, LC-GFDM iletim sinyali ve sistem performansı üzerindeki etkisinin ortaya konması hedeflenmiştir. Bu amaçla, LC-GFDM dalga formunun hem spektral karakteristiği hem de bit hata oranı (BER) performansı, SSPA’nın sırasıyla doğrusallık derecesi ve çalışma noktasını belirleyen düzgünlük katsayısı (p) ve giriş geri çekme (IBO) parametrelerinin çeşitli değerleri için incelenmiştir. Simülasyon çalışmalarında, yüksek PAPR’lı LC-GFDM sinyallerinde SSPA ile gerçekleştirilen kuvvetlendirme sonucu meydana gelen bozulmaların hem bant dışı radyasyon hem de bit hata oranı miktarlarında ciddi artışlara neden olduğu görülmüştür. Diğer taraftan IBO ve p parametreleri ile söz konusu artışların kontrol edilebileceği ortaya konmuştur.
Supporting Institution
Erciyes Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi
Project Number
FDK-2018-8463
Thanks
Bu çalışmayı desteklediği için Erciyes Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi'ne teşekkür ederiz.
References
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Year 2022,
Volume: 4 Issue: 2, 227 - 235, 26.10.2022
Abstract
Project Number
FDK-2018-8463
References
- M. Agiwal, A. Roy, and N. Saxena, “Next generation 5G wireless networks: a comprehensive survey,” IEEE Communications Surveys & Tutorials, vol. 18, no. 3, pp. 1617-1655, 2016.
- S.-Y. Lien, S.-L. Shieh, Y. Huang, B. Su, Y.-L. Hsu, and H.-Y. Wei, “5G new radio: waveform, frame structure, multiple access, and initial access,” IEEE Communications Magazine, vol. 55, no. 6, pp. 64-71, 2017.
- N. Panwar, S. Sharma, and A. K. Singh, “A survey on 5G: the next generation of mobile communication,” Physical Communication, vol. 18, no. 2, pp. 64-84, 2016.
- A. Fuente, R. P. Leal, and A. G. Armada, “New technologies and trends for next generation mobile broadcasting services,” IEEE Communications Magazine, vol. 54, no. 11, pp. 217-223, 2016.
- L. J. Cimini, “Analysis and simulation of a digital mobile channel using orthogonal frequency division multiplexing,” IEEE Transactions on Communications, vol. 33, no. 7, pp. 665-675, 1985.
- T. Hwang, C. Yang, G. Wu, S. Li, and G. Y. Li, “OFDM and its wireless applications: a survey. IEEE Transactions on Vehicular Technology,” vol. 58, no. 4, pp. 1673-1694, 2009.
- R. Prasad, “OFDM for Wireless Communications Systems,” Artech House, 2004.
- G. Fettweis, M. Krondorf, and S. Bittner, “GFDM - generalized frequency division multiplexing,” IEEE 69th Vehicular Technology Conference, pp. 1-4, Barcelona, 2009.
- N. Michailow, S. Krone, M. Lentmaier, and G. Fettweis, “Bit error rate performance of generalized frequency division multiplexing,” IEEE Vehicular Technology Conference (VTC Fall), pp. 1-5, Quebec City, 2012.
- N. Michailow, M. Matthé, I. S. Gaspar, A. N. Caldevilla, L. L. Mendes, A. Festag, and G. Fettweis, “Generalized frequency division multiplexing for 5th generation cellular networks,” IEEE Transactions on Communications, vol. 62, no. 9, pp. 3045-3061, 2014.
- M. Matthé, L. Mendes, I. Gaspar, N. Michailow, D. Zhang, and G. Fettweis, “Precoded GFDM transceiver with low complexity time domain processing,” EURASIP Journal on Wireless Communications and Networking, vol. 2016, no. 138, pp. 1-9, 2016.
- D. Di Zenobio, G. Santella, and F. Mazzenga, “Adaptive linearization of power amplifier in orthogonal multicarrier schemes,” IEEE Wireless Communication System Symposium, pp. 225-230, Long Island, 1995.
- T. Helaly, R. Dansereau, and M. El-Tanany, “BER performance of OFDM signals in presence of nonlinear distortion due to SSPA,” Wireless Personal Communications, vol. 64, no. 4, pp. 749-760, 2012.
- M. C. P. Paredes, F. Grijalva, J. C. Rodrigez, and F. Sarzosa, “Performance analysis of the effects caused by HPA models on an OFDM signal with high PAPR,” IEEE Second Ecuador Technical Chapters Meeting (ETCM), pp. 1-5, Salinas, 2017.
- H. G. Ryu, J. S. Park, and J. S. Park, “Threshold IBO of HPA in the predistorted OFDM communication system,” IEEE Transactions on Broadcasting, vol. 50, no. 4, pp. 425-428, 2004.
- P. Banelli, G. Baruffa, and S. Cacopardi, “Effects of HPA nonlinearity on frequency multiplexed OFDM signals,” IEEE Transactions on Broadcasting, vol. 47, no. 2, pp. 123-136, 2001.
- Ş. Şimşir, and N. Taşpınar, “Cumulative symbol optimization-based partial transmit sequence technique for PAPR reduction in low complexity GFDM system,” Transactions on Emerging Telecommunications Technologies, vol. 31, no. 6, pp. 1-19, 2020.
There are 17 citations in total.
Details
| Primary Language | Turkish |
|---|---|
| Subjects | Electrical Engineering |
| Journal Section | Research Articles |
| Authors | |
| Project Number | FDK-2018-8463 |
| Publication Date | October 26, 2022 |
| Published in Issue | Year 2022 Volume: 4 Issue: 2 |
