Full-Duplex Wireless Communications: Challenges, Solutions, and Future Research Directions

Proceedings of the IEEE

Volumn 104, Issue 7, 2016, Pages 1369-1409

  Zhang, Zhongshan ^a   Long, Keping ^a   Vasilakos, Athanasios V ^b   Hanzo, Lajos ^c  

^a UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING   (China)

^b LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

^c UNIVERSITY OF SOUTHAMPTON   (United Kingdom)

Author keywords

Amplify and forward; analog cancellation; cognitive radio; decode and forward; digital cancellation; full duplex (FD); optimal power allocation; optimal relay selection; passive suppression; phase noise; power amplifier nonlinearity; relay; self interference; transmit I Q imbalance

Indexed keywords

COGNITIVE RADIO; DIGITAL RADIO; DIGITAL TELEVISION; MEDIUM ACCESS CONTROL; MOBILE TELECOMMUNICATION SYSTEMS; PHASE NOISE; POWER AMPLIFIERS;

AMPLIFY AND FORWARD; ANALOG CANCELLATION; DECODE - AND - FORWARDS; DIGITAL CANCELLATION; FULL-DUPLEX; OPTIMAL POWER ALLOCATION; PASSIVE SUPPRESSION; POWER AMPLIFIER NONLINEARITY; RELAY; RELAY SELECTION; SELF-INTERFERENCES; TRANSMIT I/Q IMBALANCE;

FINITE DIFFERENCE METHOD;

EID: 84960154693     PISSN: 00189219     EISSN: 15582256     Source Type: Journal    
DOI: 10.1109/JPROC.2015.2497203     Document Type: Article

References (121)

1. A. J. Paulraj, D. A. Gore, R. U. Nabar, and H. Bolcskei, "An overview of MIMO communications - A key to gigabit wireless," Proc. IEEE, vol. 92, no. 2, pp. 198-218, Jul. 2004.
2. Z. Zhang, X. Wang, K. Long, A. V. Vasilakos, and L. Hanzo, "Large-scale MIMO based wireless backhaul in 5G networks," IEEE Wireless Commun. Mag., Oct. 2015.
3. R. van Nee and R. Prasad, OFDM for Wireless Multimedia Communications. Norwood, MA, USA: Artech House, 2000.
4. M. Duarte, "Full-duplex wireless: Design, implementation and characterization," Ph.D. dissertation, Rice Univ., Houson, TX, USA, 2012.
5. Z. Zhang, W. Zhang, and C. Tellambura, "Cooperative OFDM channel estimation in the presence of frequency offsets," IEEE Trans. Veh. Technol., vol. 58, no. 7, pp. 3447-3459, Sep. 2009.
6. Z. Zhang, X. Chai, K. Long, A. V. Vasilakos, and L. Hanzo, "Full duplex techniques for 5G networks: Self-interference cancellation, protocol design, relay selection," IEEE Commun. Mag., vol. 53, no. 5, pp. 128-137, May 2015.
7. J. I. Choi, M. Jain, K. Srinivasan, P. Levis, and S. Katti, "Achieving single channel, full duplex wireless communication," in Proc. ACM MobiCom"10, Chicago, IL, USA, 2010.
8. M. Duarte, C. Dick, and A. Sabharwal, "Experiment-driven characterization of full-duplex wireless systems," IEEE Trans. Wireless Commun., vol. 11, no. 12, pp. 4296-4307, Dec. 2012.
9. H. Ju, E. Oh, and D. Hong, "Improving efficiency of resource usage in two-hop full duplex relay systems based on resource sharing and interference cancellation," IEEE Trans. Wireless Commun., vol. 8, no. 8, pp. 3933-3938, Aug. 2009.
10. M. Jain et al., "Practical, real-time, full duplex wireless," in Proc. ACM MobiCom"11, Sep. 2011, pp. 301-312.
11. D. Bharadia, E. Mcmilin, and S. Katti, "Full duplex radios," in Proc. ACM SIGCOMM, Hong Kong, 2013, pp. 375-386.
12. M. Duarte and A. Sabharwal, "Full-duplex wireless communications using off-the-shelf radios: Feasibility and first results," in Proc. Asilomar Conf. Signals Syst., 2010, pp. 1558-1562.
13. E. Everett, M. Duarte, C. Dick, and A. Sabharwal, "Empowering full-duplex wireless communication by exploiting directional diversity," in Proc. Asilomar Conf. Signals, Syst. Comput., 2011, pp. 2002-2006.
14. B. Radunovic et al., "Rethinking indoor wireless mesh design: Low power, low frequency, full-duplex," in Proc. 5th IEEE Workshop on Wireless Mesh Netw., 2010, pp. 1-6.
15. A. Sahai, G. Patel, and A. Sabharwal, "Pushing the limits of full-duplex: Design and real-time implementation," 2011. [Online]. Available: arXiv:1107.0607
16. Y. Hua, P. Liang, Y. Ma, A. C. Cirik, and Q. Gao, "A method for broadband full-duplex MIMO radio," IEEE Signal Process. Lett., vol. 19, no. 12, pp. 793-796, Dec. 2012.
17. S. Gollakota and D. Katabi, "ZigZag decoding: Combating hidden terminals in wireless networks," in Proc. ACM SIGCOMM, New York, NY, USA, 2008, pp. 159-170.
18. M. Chung, M. S. Sim, J. Kim, D. K. Kim, and C.-B. Chae, "Prototyping real-time full duplex radios," 2015. [Online]. Available: http://arxiv.org/abs/1503.03013v2
19. T. Riihonen, S. Werner, and R. Wichman, "Mitigation of loopback self-interference in full-duplex MIMO relays," IEEE Trans. Signal Process., vol. 59, no. 12, pp. 5983-5993, Dec. 2011.
20. S. Hong et al., "Applications of self-interference cancellation in 5G and beyond," IEEE Commun. Mag., vol. 52, no. 2, pp. 114-121, Feb. 2014.
21. Y. Sung, J. Ahn, B. V. Nguyen, and K. Kim, "Loop-interference suppression strategies using antenna selection in full-duplex MIMO relays," in Proc. Int. Symp. Intell. Signal Process. Commun. Syst., 2011, pp. 1-4.
22. T. Riihonen, S. Werner, and R. Wichman, "Hybrid full-duplex/half-duplex relaying with transmit power adaptation," IEEE Trans. Wireless Commun., vol. 10, no. 9, pp. 3074-3085, Sep. 2011.
23. 3GPP, "Full duplex configuration of Un and Uu subframes for type I relay," 3GPP TSG RAN WG1 R1-100139, Tech. Rep., Jan. 2010.
24. 3GPP, "Text proposal on inband full duplex relay for TR 36.814," 3GPP TSG RAN WG1 R1-101659, Tech. Rep., Feb. 2010.
25. B. Radunovic et al., "Rethinking indoor wireless: Low power, low frequency, full-duplex," Tech. Rep. MSR-TR-2009-148, 2009, Microsoft Res.
26. W. Cheng, X. Zhang, and H. Zhang, "Full/ half duplex based resource allocations for statistical quality of service provisioning in wireless relay networks," in Proc. IEEE INFOCOM, Mar. 2012, pp. 864-872.
27. T. Riihonen, S. Werner, and R. Wichman, "Comparison of full-duplex and half-duplex modes with a fixed amplify-and-forward relay," in Proc. IEEE Wireless Commun. Netw. Conf., Budapest, Hungary, Apr. 2009, pp. 1-5.
28. B. Chun and Y. H. Lee, "A spatial self-interference nullification method for full duplex amplify-and-forward MIMO relays," in Proc. IEEE Wireless Commun. Netw. Conf., Apr. 2010, pp. 1-6.
29. A. Sahai, G. Patel, C. Dick, and A. Sabharwal, "On the impact of phase noise on active cancelation in wireless full-duplex," IEEE Trans. Veh. Technol., vol. 62, no. 9, pp. 4494-4510, Nov. 2013.
30. T. Riihonen, S. Werner, R. Wichman, and J. Hamalainen, "Outage probabilities in infrastructure-based single-frequency relay links," in Proc. IEEE Wireless Commun. Netw. Conf., Budapest, Hungary, pp. 1-6, Apr. 2009.
31. T. Kwon, Y. Lim, and D. Hong, "Comparison of FDR and HDR under adaptive modulation with finite-length queues," IEEE Trans. Veh. Technol., vol. 61, no. 2, pp. 838-843, Feb. 2012.
32. R. Schoenen, A. Otyakmaz, and B. H. Walke, "Concurrent operation of half-and full-duplex terminals in future multi-hop FDD based cellular networks," in Proc. Int. Conf. Wireless Commun./Netw. Mobile Comput., pp. 1-7.
33. D. Michalopoulos, J. Schlenker, J. Cheng, and R. Schober, "Error rate analysis of full-duplex relaying," in Proc. Int. Waveform Divers. Design Conf., pp. 165-168.
34. G. Kramer, M. Gastpar, and P. Gupta, "Cooperative strategies and capacity theorems for relay networks," IEEE Trans. Inf. Theory, vol. 51, no. 9, pp. 3037-3063, Sep. 2005.
35. R. Nikjah and N. C. Beaulieu, "Achievable rates and fairness in rateless coded decode-and-forward half-duplex and full-duplex opportunistic relaying," in Proc. IEEE Int. Conf. Commun., May 2008, pp. 3701-3707.
36. T. Riihonen, S. Werner, R. Wichman, "On the feasibility of full-duplex relaying in the presence of loop interference," in Proc. 10th IEEE Workshop Signal Process. Adv. Wireless Commun., pp. 275-279, Jun. 2009.
37. D. Skraparlis, V. K. Sakarellos, A. D. Panagopoulos, and J. D. Kanellopoulos, "Outage performance analysis of cooperative diversity with MRC and SC in correlated lognormal channels," EURASIP J. Wireless Commun. Netw., vol. 2009, pp. 1-7, 2009.
38. T. Riihonen, S. Werner, and R. Wichman, "Rate-interference trade-off between duplex modes in decode-and-forward relaying," in Proc. IEEE Int. Symp. Pers., Indoor Mobile Radio Commun., pp. 690-695, Sep. 2010.
39. T. Kwon, S. Lim, S. Choi, and D. Hong, "Optimal duplex mode for DF relay in terms of the outage probability," IEEE Trans. Veh. Technol., vol. 59, no. 7, pp. 3628-3634, Sep. 2010.
40. T. Riihonen, S. Werner, and R. Wichman, "Transmit power optimization for multiantenna decode-and-forward relays with loopback self-interference from full-duplex operation," in Proc. Conf. Rec. 45th Asilomar Conf. Signals, Syst. Comput., Nov. 2011, pp. 1408-1412.
41. P. T. Hiep and R. Kohno, "Capacity bound for full-duplex multiple-hop MIMO relays system in Rayleigh fading," in Proc. Wireless Telecommun. Symp., Apr. 2012, pp. 1-6.
42. H. Alves, G. Fraidenraich, R. D. Souza, M. Bennis, and M. Latva-Aho, "Performance analysis of full duplex and selective and incremental half duplex relaying schemes," in Proc. IEEE Wireless Commun. Netw. Conf., 2012, pp. 771-775.
43. Y. R. Zheng and C. Xiao, "Performance of block-Markov full duplex relaying with self interference in Nakagami-m fading," IEEE Wireless Commun. Lett., vol. 2, no. 3, pp. 311-314, Jun. 2013.
44. M. Khafagy, A. Ismail, M.-S. Alouini, and S. Aissa, "On the outage performance of full-duplex selective decode-and-forward relaying," IEEE Commun. Lett., vol. 17, no. 6, pp. 1180-1183, 2013.
45. N. Zlatanov and R. Schober, "Buffer-aided half-duplex relaying can outperform ideal full-duplex relaying," IEEE Commun. Lett., vol. 17, no. 3, pp. 479-482, Mar. 2013.
46. B. P. Day, A. R. Margetts, D. W. Bliss, and P. Schniter, "Full-duplex MIMO relaying: Achievable rates under limited dynamic range," IEEE J. Sel. Areas Commun., vol. 30, no. 8, pp. 1541-1553, Sep. 2012.
47. P. Cheng, G. Yu, Z. Zhang, H. Jia, H. H. Chen, and P. Qiu, "Cross-layer performance analysis of two-hop wireless links with adaptive modulation," in Proc. IEEE Int. Symp. Pers. Indoor Mobile Radio Commun., pp. 1-5.
48. A. Müller and H. C. Yang, "Dual-hop adaptive packet transmission with regenerative relaying for wireless TDD systems," in Proc. IEEE Global Telecommun. Conf., pp. 552-557.
49. T. Riihonen, R. Wichman, and J. Hamalainen, "Co-phasing full-duplex relay link with nonideal feedback information," in Proc. IEEE Int. Symp. Wireless Commun. Syst., pp. 263-267.
50. J. Cioffi, G. Dudevoir, M. V. Eyuboglu, and G. J. Forney, "Bypassing orthogonal relaying transmissions via spatial signal separation," IEEE Trans. Commun., vol. 43, no. 10, pp. 2582-2594, Oct. 1995.
51. T. K. Baranwal, D. S. Michalopoulos, and R. Schober, "Outage analysis of multihop full duplex relaying," IEEE Commun. Lett., vol. 17, no. 1, pp. 63-66, Jan. 2013.
52. P. K. Sharma and P. Garg, "Outage analysis of full duplex decode and forward relaying over Nakagami-m channels," in Proc. Nat. Conf. Commun., Feb. 2013, pp. 1-5.
53. K. Lee, H. M. Kwon, M. Jo, H. Park, and Y. H. Lee, "MMSE-based optimal design of full-duplex relay system," in Proc. IEEE Veh. Technol. Conf., Sep. 2012, pp. 1-5.
54. J. Joung and A. Sayed, "Design of half-and full-duplex relay systems based on the MMSE formulation," in Proc. IEEE/SP SSP"09, Sep. 2009, pp. 281-284.
55. B. Chun, E. Jeong, J. Joung, Y. Oh, and Y. H. Lee, "Pre-nulling for self-interference suppression in full-duplex relays," in Proc. Asia-Pacific Signal Inf. Process. Assoc. Ann. Summit Conf., Sapporo, Japan, pp. 91-97, Oct. 2009.
56. Z. Zhang, K. Long, and J. Wang, "Self-organization paradigms and optimization approaches for cognitive radio technologies: A survey," IEEE Wireless Commun. Mag., vol. 20, no. 2, pp. 36-42, Apr. 2013.
57. J. W. Tantra, C. H. Foh, and D. Qiu, "On link reliability in wireless mobile ad hoc networks," in Proc. IEEE 64th Veh. Technol. Conf. VTC-2006 Fall, 2006, pp. 1-5.
58. T. Lee, The Design of CMOS Radio-Frequency Integrated Circuits, Cambridge, U.K.: Cambridge Univ. Press, 2004.
59. M. E. Knox, "Single antenna full duplex communications using a common carrier," in Proc. IEEE 13th Ann. Wireless Microw. Technol. Conf., 2012, pp. 1-6.
60. E. Everett, "Full-duplex infrastructure nodes: Achieving long range with half-duplex mobiles," M.S. thesis, Rice Univ., Houston, TX, USA, 2012.
61. C. R. Anderson et al., "Antenna isolation, wideband multipath propagation measurements, interference mitigation for on-frequency repeaters," in Proc. SoutheastCon, Greensboro, NC, USA, Mar. 2004, pp. 110-114.
62. D. Bliss, P. Parker, and A. Margetts, "Simultaneous transmission and reception for improved wireless network performance," in Proc. IEEE Stat. Signal Process., 2007, pp. 478-482.
63. K. Haneda, E. Kahra, S. Wyne, C. Icheln, and P. Vainikainen, "Measurement of loop-back interference channels for outdoor-to-indoor full-duplex radio relays," in Proc. 4th Eur. Conf. Antennas Propag., Apr. 2010, pp. 1-5.
64. A. Khandani, "Shaping the future of wireless: Two-way connectivity." [Online]. Available: http://www.nortel-institute. uwaterloo.ca/content/Shaping Future of Wireless Two-way Connectivity-18June2012.pdf
65. D. Halperin, T. Anderson, and D. Wetherall, "Taking the sting out of carrier sense: Interference cancellation for wireless lans," in Proc. 14th ACM Int. Conf. Mobile Comput. Netw., New York, NY, USA, 2008, pp. 339-350.
66. M. A. A. Khojastepour and S. Rangarajan, "Wideband digital cancellation for full-duplex communications," in Proc. Conf. Rec. 46th Asilomar Conf. Signals, Syst. Comput., May 2012, pp. 1300-1304.
67. H. Ju, S. Lee, K. Kwak, E. Oh, and D. Hong, "A new duplex without loss of data rate and utilizing selection diversity," in Proc. IEEE Veh. Technol. Conf., Nov. 2008, pp. 1519-1523.
68. T. Riihonen, S. Werner, and R. Wichman, "Spatial loop interference suppression in full-duplex MIMO relays," in Proc. 43rd Asilomar Conf. Signals, Syst., Comput., Pacific Grove, CA, USA, pp. 1508-1512, Nov. 2009.
69. H. Ju, E. Oh, and D. Hong, "Catching resource-devouring worms in next-generation wireless relay systems: Two-way relay and full-duplex relay," IEEE Commun. Mag., vol. 47, no. 9, pp. 58-65, Sep. 2009.
70. J.-H. Lee and O.-S. Shin, "Full-duplex relay based on block diagonalisation in multiple-input multiple-output relay systems," IET Commun., vol. 4, no. 15, pp. 1817-1826, 2010.
71. E. Everett, D. Dash, C. Dick, and A. Sabharwal, "Self-interference cancellation in multi-hop full-duplex networks via structured signaling," in Proc. Allerton Conf. Commun. Control Comput., 2011, pp. 1619-1626.
72. T. Riihonen et al., "Optimal eigenbeamforming for suppressing self-interference in full-duplex MIMO relays," in Proc. 45th Ann. Conf. Inf. Sci. Syst., 2011, pp. 1-6.
73. R. Lopez-Valcarce, E. Antonio-Rodriguez, C. Mosquera, and F. Perez-Gonzalez, "An adaptive feedback canceller for full-duplex relays based on spectrum shaping," IEEE J. Sel. Areas Commun., vol. 30, no. 8, pp. 1566-1577, Sep. 2012.
74. B. Chun and H. Park, "A spatial-domain joint-nulling method of self-interference in full-duplex relays," IEEE Commun. Lett., vol. 16, no. 4, pp. 436-438, Apr. 2012.
75. V. Stanković and P. Spalević, "Cooperative relaying with block DFT processing and full-duplex relays," IEE Electron. Lett., vol. 49, no. 4, pp. 300-302, Feb. 2013.
76. S. Li and R. D. Murch, "An investigation into baseband techniques for single-channel full-duplex wireless communication systems," IEEE Trans. Wireless Commun., vol. 13, no. 9, pp. 4794-4806, Sep. 2014.
77. A. V. Oppenheim, R. W. Schafer, and J. R. Buck, Discrete-Time Signal Processing, 2nd. Upper Saddle River, NJ, USA: Prentice-Hall, 1999.
78. Q. Inc., "Qhx220 narrowband noise canceller IC." [Online]. Available: http:// www.quellan.com/products/qhx220-ic.php
79. T. Riihonen and R. Wichman, "Analog and digital self-interference cancellation in full-duplex MIMO-OFDM transceivers with limited resolution in A/D conversion," in Proc. Conf. Rec. 46th Asilomar Conf. Signals, Syst. Comput., 2012, pp. 45-49.
80. L. L. Scharf, Statistical Signal Processing: Detection, Estimation, Time Series Analysis. Reading, MA USA: Addison-Wesley, 1991.
81. D. Senaratne and C. Tellambura, "Beamforming for space division duplexing," in Proc. IEEE Int. Conf. Commun., Kyoto, Japan, Jun. 2011, pp. 1-5.
82. T. Riihonen, S. Werner, and R. Wichman, "Residual self-interference in full-duplex MIMO relays after null-space projection and cancellation," in Proc. IEEE Asilomar Conf. Signals Syst. Comput., Nov. 2010, pp. 653-657.
83. A. Thangaraj, R. Ganti, and S. Bhashyam, "Self-interference cancellation models for full-duplex wireless communications," in Proc. Int. Conf. Signal Process. Commun., 2012, pp. 1-5.
84. D. A. Gore and A. Paulraj, "MIMO antenna subset selection with space-time coding," IEEE Trans. Signal Process., vol. 50, no. 10, pp. 2580-2588, Oct. 2002.
85. T. Taniguchi and Y. Karasawa, "Design and analysis of MIMO multiuser system using full-duplex multiple relay nodes," in Proc. Wireless Days (WD), IFIP, Nov. 2012, pp. 1-8.
86. I. Krikidis, H. A. Suraweera, S. Yang, and K. Berberidis, "Full-duplex relaying over block fading channel: A diversity perspective," IEEE Trans. Wireless Commun., vol. 11, no. 12, pp. 4524-4535, Dec. 2012.
87. P. Larsson and M. Prytz, "MIMO on-frequency repeater with self-interference cancellation and mitigation," in Proc. IEEE Veh. Technol. Conf., Apr. 2012, pp. 1-5.
88. J.-H. Lee and O.-S. Shin, "Distributed beamforming approach to full-duplex relay in multiuser MIMO transmission," in Proc. IEEE Wireless Commun. Netw. Conf., Apr. 2012, pp. 278-282.
89. P. Lioliou, M. Viberg, M. Coldrey, and F. Athley, "Self-interference suppression in full-duplex MIMO relays," in Proc. Conf. Rec. 44th Asilomar Conf. Signals Syst. Comput., 2010, pp. 658-662.
90. J. Sangiamwong, T. Asai, J. Hagiwara, Y. Okumura, and T. Ohya, "Joint multifilter design for full-duplex MU-MIMO relaying," in Proc. IEEE Veh. Technol. Conf., Apr. 2009, pp. 1-5.
91. C.-B. Chae, T. Tang, R. W. Heath, and S. Cho, "MIMO relaying with linear processing for multiuser transmission in fixed relay networks," IEEE Trans. Signal Process., vol. 56, no. 2, pp. 727-738, Feb. 2008.
92. S. Li and R. D. Murch, "Full-duplex wireless communication using transmitter output based echo cancellation," in Proc. IEEE Global Telecommun. Conf., Houston, TX, USA, Dec. 2011, pp. 1-5.
93. P. Smith, "Little known characteristics of phase noise," Analog Devices, Inc., Appl. Note AN-741., Aug. 2004.
94. C. Luschi et al., "Advanced signal-processing algorithms for energy-efficient wireless communications," Proc. IEEE, vol. 88, no. 10, pp. 1633-1650, Oct. 2000.
95. T. U., Rice Univ., Houston, WARP Project. [Online]. Available: warp.rice.edu
96. D. W. K. Ng and R. Schober, "Dynamic resource allocation in OFDMA systems with full-duplex and hybrid relaying," in Proc. IEEE Int. Conf. Commun., Kyoto, Japan, Jun. 2011, pp. 1-6.
97. M. A. Khojastepour, K. Sundaresan, S. Rangarajan, X. Zhang, and S. Barghi, "The case for antenna cancellation for scalable full duplex wireless communications," in Proc. ACM Workshop Hot Topics Netw., 2011, pp. 1-6.
98. W. Mesbah and T. N. Davidson, "Optimal power allocation for full-duplex cooperative multiple access," in Proc. IEEE Int. Conf. Acoust. Speech Signal Process., vol. 4, May 2006, pp. 689-692.
99. K. Shibuya, "Broadcast-wave relay technology for digital terrestrial television broadcasting," Proc. IEEE, vol. 94, no. 1, pp. 269-273, 2006.
100. T. Riihonen, S. Werner, and R. Wichman, "Optimized gain control for single-frequency relaying with loop interference," IEEE Trans. Wireless Commun., vol. 8, no. 6, pp. 2801-2806, Jun. 2009.
101. Y.-K. Song and D. Kim, "Convergence of distributed power control with full-duplex amplify-and-forward relays," in Proc. Int. Conf. Wireless Commun. Signal Process., Nov. 2009, pp. 1-5.
102. X. Rui, J. Hou, and L. Zhou, "On the performance of full-duplex relaying with relay selection," IEE Electron. Lett., vol. 46, no. 25, pp. 1674-1676, Dec. 2010.
103. Y. Yang, J. Ge, and Y. Gao, "Power allocation for two-way opportunistic amplify-and-forward relaying over Nakagami-m channels," IEEE Trans. Wireless Commun., vol. 10, no. 7, pp. 2063-2068, Jul. 2011.
104. K. Yamamoto, K. Haneda, H. Murata, and S. Yoshida, "Optimal transmission scheduling for a hybrid of full-and half-duplex relaying," IEEE Commun. Lett., vol. 15, no. 3, pp. 305-307, Mar. 2011.
105. M. Miyagoshi, K. Yamamoto, K. Haneda, H. Murata, and S. Yoshida, "Multi-user transmission scheduling for a hybrid of full-and half-duplex relaying," in Proc. 8th Int. Conf. Inf., Commun. Signal Process., 2011, pp. 1-5.
106. I. Krikidis, H. A. Suraweera, P. J. Smith, and C. Yuen, "Full-duplex relay selection for amplify-and-forward cooperative networks," IEEE Trans. Wireless Commun., vol. 11, no. 12, pp. 4381-4393, Dec. 2012.
107. B. Zhong et al., "Opportunistic full-duplex relay selection for decode-and-forward cooperative networks over Rayleigh fading channels," in Proc. IEEE Int. Conf. Commun. (ICC), Sydney, Australia, pp. 1-6.
108. J.-H. Lee and O.-S. Shin, "Full-duplex relay based on distributed beamforming in multiuser MIMO systems," IEEE Trans. Veh. Technol., vol. 62, no. 4, pp. 1855-1860, May 2013.
109. G. Zheng, I. Krikidis, and B. Ottersten, "Full-duplex cooperative cognitive radio with transmit imperfections," IEEE Trans. Wireless Commun., vol. 12, no. 5, pp. 2498-2511, 2013.
110. A. Otyakmaz, R. Schoenen, and B. Walke, "Parallel operation of halfand full-duplex FDD in future multi-hop mobile radio networks," in Proc. Eur. Wireless Conf., Jun. 2008, Prague, pp. 1-7.
111. F. Kelly, "Charging and rate control for elastic traffic," Eur. Trans. Telecommun., vol. 8, pp. 33-37, Jan.-Feb. 1997.
112. K.-K. Wong, "Maximizing the sum-rate and minimizing the sum-power of a broadcast 2-user 2-input multiple-output antenna system using a generalized zeroforcing approach," IEEE Trans. Wireless Commun., vol. 5, no. 12, pp. 3406-3412, Dec. 2006.
113. D. B. da Costa and S. Aissa, "Performance analysis of relay selection techniques with clustered fixed-gain relays," IEEE Signal Process. Lett., vol. 17, pp. 201-204, Feb. 2010.
114. Z. Zhang, C. Tellambura, and R. Schober, "Improved OFDMA uplink transmission via cooperative relaying in the presence of frequency offsetsapart I: Ergodic information rate analysis," Eur. Trans. Telecommun., vol. 21, no. 3, pp. 224-240, Apr. 2010.
115. Z. Zhang, C. Tellambura, and R. Schober, "Improved OFDMA uplink transmission via cooperative relaying in the presence of frequency offsets - Part II: Outage information rate analysis," Euro. Trans. Telecommun., vol. 21, no. 3, pp. 241-250, Apr. 2010.
116. I. Krikidis, H. A. Suraweera, and C. Yuen, "Amplify-and-forward with full-duplex relay selection," in Proc. IEEE Int. Conf. Commun., Jun. 2012, pp. 1-6.
117. T. Riihonen, S. Werner, and R. Wichman, "Hybrid full-duplex/half-duplex relaying with transmit power adaptation," IEEE Trans. Wireless Commun., vol. 10, no. 9, pp. 3074-3085, 2011.
118. H. Kim, S. Lim, H. Wang, and D. Hong, "Optimal power allocation and outage analysis for cognitive full duplex relay systems," IEEE Trans. Wireless Commun., vol. 11, no. 10, pp. 3754-3765, Oct. 2012.
119. X. Kang, R. Zhang, Y. C. Liang, and H. K. Garg, "Optimal power allocation strategies for fading cognitive radio channels with primary user outage constraint," IEEE J. Sel. Areas Commun., vol. 29, no. 2, pp. 374-383, Feb. 2011.
120. Z. Zhang, K. Long, J. Wang, and F. Dressler, "On swarm intelligence inspired self-organized networking: Its bionic mechanisms, designing principles and optimization approaches," IEEE Commun. Surv. Tutor., vol. 16, no. 1, pp. 513-537, First Quarter, 2014.
121. Z. Zhang et al., "On the designing principles and optimization approaches of bio-inspired self-organized network: A survey," Science China Inf. Sci., vol. 56, no. 7, Jul. 2013.