بهبود مجموع نرخ کاربران ثانویه و بهره انرژی شبکه رادیوشناختگر با استفاده از تخصیص توان و Successive Relaying
الموضوعات :
1 - دانشگاه سمنان
2 - دانشگاه سمنان
الکلمات المفتاحية: شبکه رادیوشناختگرحذف تداخلهم‌ترازسازی تداخل‌هاتخصیص توانکیفیت سرویس‌دهی,
ملخص المقالة :
در این مقاله، یک شبکه رادیوشناختگر ارائه داده‌ایم که شامل چند کاربر ثانویه و یک کاربر اولیه است. کاربران ثانویه با روش تحت پوشش، از طیف کاربر اولیه استفاده می‌کنند. کاربر اولیه نیز دارای عملکرد Successive Relay است. در Successive Relay با استفاده از دو رله نیمه دوطرفه به عملکردی مشابه رله تمام دوطرفه ولی با شدت تداخل بین رله‌ای کمتر می‌رسیم که باعث بهبود بهره طیفی می‌شود. همچنین با وجود اضافه‌شدن کاربران ثانویه، برای حفظ عملکرد صحیح کاربر اولیه و افزایش مجموع نرخ کاربران ثانویه، استفاده از عملکرد Successive Relay در کاربر اولیه را مطرح کرده‌ایم. در شبکه رادیوشناختگر نیز کاربران دارای تداخل هستند که برای حذف تداخل از ایده هم‌ترازسازی تداخل بهره گرفته‌ایم. در ادامه با در نظر گرفتن یک نرخ آستانه برای کاربر اولیه، حداقل توان لازم را برای منبع و رله به منظور تضمین کیفیت سرویس‌دهی کاربر اولیه به دست آورده‌ایم. یک مسئله تخصیص توان بیشینه‌سازی نرخ مجموع کاربران ثانویه ارائه کرده‌ایم و جواب بهینه را به فرم بسته به دست آورده‌ایم. همچنین یک مسئله بیشینه‌سازی بهره انرژی شبکه را طرح کردیم که در دو مرحله و با روش حل مسایل کسری، جواب‌های بهینه را به فرم بسته به دست آوردیم.
المصادر:
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[31] M. A. Maddah-Ali, A. S. Motahari, and A. K. Khandani, "Communication over MIMO X channels: interference alignment, decomposition, and performance analysis," IEEE Trans. on Information Theory, vol. 54, no. 8, pp. 3457-3470, Aug. 2008.
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[1] X. Hong, J. Wang, C. X. Wang, and J. Shi, "Cognitive radio in 5G: a perspective on energy-spectral efficiency trade-off," IEEE Communications Magazine, vol. 52, no. 7, pp. 46-53, Jul. 2014.
[2] Z. Zhang, X. Chai, K. Long, A. V. Vasilakos, and L. Hanzo, "Full duplex techniques for 5G networks: self-interference cancellation, protocol design, and relay selection," IEEE Communications Magazine, vol. 53, no. 5, pp. 128-137, May. 2015.
[3] S. Haykin, "Cognitive radio: brain-empowered wireless communications," IEEE J. on Selected Areas in Communications, vol. 23, no. 2, pp. 201-220, Feb. 2005.
[4] T. Luan, F. Gao, and X. D. Zhang, "Joint resource scheduling for relay-assisted broadband cognitive radio networks," IEEE Trans. on Wireless Communications, vol. 11, no. 9, pp. 3090-3100, Sept. 2012.
[5] A. Goldsmith, S. A. Jafar, I. Maric, and S. Srinivasa, "Breaking spectrum gridlock with cognitive radios: an information theoretic perspective," Proceedings of the IEEE, vol. 97, no. 5, pp. 894-914, May 2009.
[6] J. T. MacDonald and D. R. Ucci, "Interference temperature limits of IEEE 802.11 protocol radio channels," in Proc. IEEE Int. Conf. on Electro/Information Technology, pp. 64-69, Chicago, IL, USA, 17-20 May 2007.
[7] B. Wang and K. R. Liu, "Advances in cognitive radio networks: a survey," IEEE J. of Selected Topics in Signal Processing, vol. 5, no. 1, pp. 5-23, Feb. 2011.
[8] S. J. Kim and G. B. Giannakis, "Optimal resource allocation for MIMO ad hoc cognitive radio networks," IEEE Trans. on Information Theory, vol. 57, no. 5, pp. 3117-3131, May 2011.
[9] Z. Sheng, J. Fan, C. H. Liu, V. C. Leung, X. Liu, and K. K. Leung, "Energy-efficient relay selection for cooperative relaying in wireless multimedia networks," IEEE Trans. on Vehicular Technology, vol. 64, no. 3, pp. 1156-1170, Mar. 2015.
[10] M. Hajiaghayi, M. Dong, and B. Liang, "Jointly optimal channel and power assignment for dual-hop multi-channel multi-user relaying," IEEE J. on Selected Areas in Communications, vol. 30, no. 9, pp. 1806-1814, Oct. 2012.
[11] N. Zhang, N. Cheng, N. Lu, H. Zhou, J. W. Mark, and X. Shen, "Risk-aware cooperative spectrum access for multi-channel cognitive radio networks," IEEE J. on Selected Areas in Communications, vol. 32, no. 3, pp. 516-527, Mar. 2014.
[12] F. Gomez-Cuba, R. Asorey-Cacheda, and F. J. Gonzalez-Castano, "A survey on cooperative diversity for wireless networks," IEEE Communications Surveys & Tutorials, vol. 14, no. 3, pp. 822-835, 3rd Quarter 2012.
[13] H. A. Suraweera, I. Krikidis, G. Zheng, C. Yuen, and P. J. Smith, "Low-complexity end-to-end performance optimization in MIMO full-duplex relay systems," IEEE Trans. Wireless Communications, vol. 13, no. 2, pp. 913-927, Feb. 2014.
[14] G. Liu, F. R. Yu, H. Ji, V. C. Leung, and X. Li, "In-band full-duplex relaying: a survey, research issues and challenges," Resource, vol. 147, no. 2, pp. 500-524, 2nd Quarter 2015.
[15] Y. Fan, C. Wang, J. Thompson, and H. Poor, "Recovering multiplexing loss through successive relaying using repetition coding," IEEE Trans. on Wireless Communications, vol. 6, no. 12, pp. 4484-4493, Dec. 2007.
[16] M. Lari, "Power allocation and effective capacity of AF successive relays," Wireless Networks, vol. 24, no. 3, pp. 885-895, Apr. 2018.
[17] C. Wang, Y. Fan, I. Krikidis, J. S. Thompson, and H. V. Poor, "Superposition-coded concurrent decode-and-forward relaying," in Proc. IEEE Int. Symp. on Information Theory, ISIT’08, pp. 2390-2394, Toronto, Canada, 6-11 Jul. 2008.
[18] I. Orikumhi, C. Y. Leow, and Y. Li, "Reliable virtual full-duplex relaying in the presence of interrelay interference," IEEE Trans. on Vehicular Technology, vol. 66, no. 10, pp. 9098-9109, Oct. 2017.
[19] M. S. Gilan and A. Olfat, "New beamforming and space-time coding for two-path successive decode and forward relaying," IET Communications, vol. 12, no. 3, pp. 1573-1588, Aug. 2018.
[20] Q. Y. Liau, C. Y. Leow, and Z. Ding, "Amplify-and-forward virtual full-duplex relaying-based cooperative NOMA," IEEE Wireless Communications Letters, vol. 7, no. 3, pp. 464-467, Jun. 2018.
[21] T. Charalambous, S. M. Kim, N. Nomikos, M. Bengtsson, and M. Johansson, "Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source," Ad Hoc Networks, vol. 84, pp. 29-41, Mar. 2019.
[22] F. Li, X. Tan, and L. Wang, "Power scheme and time‐division bargaining for cooperative transmission in cognitive radio," Wireless Communications and Mobile Computing, vol. 15, pp. 379-388, 2015.
[23] L. Lv, J. Chen, Q. Ni, Z. Ding, and H. Jiang, "Cognitive non-orthogonal multiple access with cooperative relaying: a new wireless frontier for 5G spectrum sharing," IEEE Communications Magazine, vol. 56, no. 4, pp. 188-195, Apr. 2018.
[24] Y. Zou, J. Zhu, B. Zheng, and Y. D. Yao, "An adaptive cooperation diversity scheme with best-relay selection in cognitive radio networks," IEEE Trans. on Signal Processing, vol. 58, no. 10, pp. 5438-5445, Oct. 2010.
[25] C. Zhai, W. Zhang, and P. Ching, "Cooperative spectrum sharing based on two-path successive relaying," IEEE Trans. on Communications, vol. 61, no. 6, pp. 2260-2270, Jun. 2013.
[26] A. H. A. El-Malek and S. A. Zummo, "A bandwidth-efficient cognitive radio with two-path amplify-and-forward relaying," IEEE Wireless Communications Letters, vol. 4, no. 1, pp. 66-69, Feb. 2015.
[27] Z. Li, F. Xiao, S. Wang, T. Pei, and J. Li, "Achievable rate maximization for cognitive hybrid satellite-terrestrial networks with af-relays," IEEE J. on Selected Areas in Communications, vol. 36, no. 2, pp. 304-313, Feb. 2018.
[28] S. Masrour, A. H. Bastami, and P. Halimi, "Spectrum sharing in cognitive radio networks using beamforming and two-path successive relaying," in Proc. Iranian Conf. on Electrical Engineering, ICEE’17, pp. 1810-1814, Tehran, Iran, 2-4 May 2017.
[29] C. Luo, Y. Gong, and F. Zheng, "Full interference cancellation for two-path relay cooperative networks," IEEE Trans. on Vehicular Technology, vol. 60, no. 1, pp. 343-347, Jan. 2011.
[30] Y. Ji, C. Han, A. Wang, and H. Shi, "Partial inter-relay interference cancellation in two path successive relay network," IEEE Communications Letters, vol. 18, no. 2, pp. 451-454, Mar. 2014.
[31] M. A. Maddah-Ali, A. S. Motahari, and A. K. Khandani, "Communication over MIMO X channels: interference alignment, decomposition, and performance analysis," IEEE Trans. on Information Theory, vol. 54, no. 8, pp. 3457-3470, Aug. 2008.
[32] N. Zhao, F. R. Yu, M. Jin, Q. Yan, and V. C. Leung, "Interference alignment and its applications: a survey, research issues, and challenges," IEEE Communications Surveys & Tutorials, vol. 18, no. 3, pp. 1779-1803, 3rd Quarter 2016.
[33] J. Tang, S. Lambotharan, and S. Pomeroy, "Interference cancellation andalignment techniques for multiple-input and multiple-output cognitiverelay networks," IET Signal Process., vol. 7, no. 3, pp. 188-200, May 2013.
[34] S. Arzykulov, G. Nauryzbayev, T. A. Tsiftsis, and M. Abdallah, "On the performance of wireless powered cognitive relay network with interference alignment," IEEE Trans. on Communications, vol. 66, no. 9, pp. 3825 - 3836, Sept. 2018.
[35] E. Biglieri, J. Proakis, and S. Shamai, "Fading channels: information-theoretic and communications aspects," IEEE Trans. on Information Theory, vol. 44, no. 6, pp. 2619-2692, Oct. 1998.
[36] N. Zhao, F. R. Yu, and H. Sun, "Power allocation for interference alignment based cognitive radio networks," in Proc. IEEE Computer Communications Workshops, pp. 742-746, Toronto, Canada, 27 Apr.-2 May 2014.
[37] I. Chih-Lin, C. Rowell, S. Han, Z. Xu, G. Li, and Z. Pan, "Toward green and soft: a 5G perspective," IEEE Communications Magazine, vol. 52, no. 2, pp. 66-73, Feb. 2014.
[38] N. Zhao, F. R. Yu, H. Sun, and M. Li, "Adaptive power allocation schemes for spectrum sharing in interference-alignment-based cognitive radio networks," IEEE Trans. on Vehicular Technology, vol. 65, no. 5, pp. 3700-3714, May 2016.
[39] C. M. Yetis, T. Gou, S. A. Jafar, and A. H. Kayran, "On feasibility of interference alignment in MIMO interference networks," IEEE Trans. on Signal Processing, vol. 58, no. 9, pp. 4771-4782, Sept. 2010.
[40] A. Zappone and E. Jorswieck, "Energy efficiency in wireless networks via fractional programming theory," Foundations and Trends® in Communications and Information Theory, vol. 11, no. 3-4, pp. 185-396, 2015.
[41] K. Gomadam, V. R. Cadambe, and S. A. Jafar, "A distributed numerical approach to interference alignment and applications to wireless interference networks," IEEE Trans. on Information Theory, vol. 57, no. 6, pp. 3309-3322, Jun. 2011.
