1. Tao Wang, Yichen Wang, Yixin Wang, and Julian Cheng, "A resource-efficient coexistence scheme for massive machine-type and human-to-human communications," IEEE Transactions on Communications, vol. 72, no. 3, pp. 1862-1877, Mar. 2024.

2. Yixin Wang, Yichen Wang, Tao Wang, and Julian Cheng, "Multi-service oriented joint channel estimation and multi-user detection scheme for grant-free massive MTC networks," IEEE Transactions on Communications, vol. 71, no. 11, pp. 6416-6434, Nov. 2023.

3. Zhangnan Wang and Yichen Wang, "An intelligent pilot contamination attacker-defender model for wireless networks: A Stackelberg game based approach," Mobile Networks and Appications (MONET), 2022.

4. Tao Wang, Yichen Wang, Chunfeng Wang, Zihuan Yang, and Julian Cheng, "Group-based random access and data transmission scheme for massive MTC networks," IEEE Transactions on Communications, vol. 69, no. 12, pp. 8287-8303, Dec. 2021.

5. Yichen Wang, Tao Wang, Zihuan Yang, Dawei Wang, and Julian Cheng, "Throughput-oriented non-orthogonal random access scheme for massive MTC networks," IEEE Transactions on Communications, vol. 68, no. 3, pp. 1777-1793, Mar. 2020.

6. Yichen Wang and Lu Wang, "Matching theory based cooperative secure transmission strategy for social-aware D2D communications," IEEE Transactions on Vehicular Technology, vol. 68, no. 10, pp. 10289-10294, Oct. 2019.

7. Wei Li, Meng-Lin Ku, Yichen Wang, and Zhonghua Liang, "Stochastic energy harvesting and relay selection for two-way dual-relay networks," IEEE Access, vol. 7, pp. 125323-125332, Aug. 2019.

8. Wei Li, Meng-Lin Ku, Yan Chen, Yichen Wang, and Zhonghua Liang, "Transmission policy of two-way relay networks with multiple stochastic energy harvesting nodes," IEEE Access, vol. 7, pp. 76967-76984, July 2019.

9. Yichen Wang, Xiao Tang, and Tao Wang, "A unified QoS and security provisioning framework for wiretap cognitive radio networks: a statistical queueing analysis approach," IEEE Transactions on Wireless Communications, vol. 18, no. 3, pp. 1548-1565, Mar. 2019.

10. Datong Xu, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Design in power-domain NOMA: eavesdropping suppression in the two-user relay network with compensation for the relay user," ACM/Springer Mobile Networks and Applications (MONET), vol. 23, no. 4, pp. 1068-1079, Aug. 2018.

11. Dongyang Xu, Pinyi Ren, James A. Ritcey, and Yichen Wang, "Code-frequency block group coding for anti-spoofing pilot authentication in multi-antenna OFDM systems," IEEE Transactions on Information Forensics and Security, vol. 13, np. 7, pp. 1778-1793, Jul. 2018.

12. Dawei Wang, Pinyi Ren, Julian Cheng, and Yichen Wang, “Achieving full secrecy rate with energy-efficient transmission control.” IEEE Transactions on Communications, vol. 65, no. 12, pp. 5386-5400, Dec. 2017.

13. Dawei Wang, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, “Security provisioning for MISO vehicular relay networks via cooperative jamming and signal superposition,” IEEE Transactions on Vehicular Technology, vol. 66, no. 12, pp. 10732-10747, Dec. 2017.

14. Hongliang He, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Traffic‐aware overload control scheme in 5G ultra‐dense M2M networks," Transactions on Emerging Telecommunications Technologies, vol. 28, no. 9, Sep. 2017.

15. Dawei Wang, Pinyi Ren, Qinghe Du, Yichen Wang, and Li Sun, “Secure cooperative transmission against jamming-aided eavesdropper for ARQ based wireless networks,” IEEE Access, vol. 5, pp. 3763-3776, 2017.

16. Dongyang Xu, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Towards win-win: weighted-Voronoi-diagram based channel quantization for security enhancement in downlink cloud-RAN with limited CSI feedback," Science China: Information Sciences, Apr. 2017.

17. Hongliang He, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, “Enhancing physical-layer security via big-data-aided hybrid relay selection,” Journal of Communications and Information Networks, vol. 2, no. 1, pp. 97-110, 2017.

18. Hongbin Xu, Li Sun, Pinyi Ren, Qinghe Du, and Yichen Wang, "Cooperative privacy preserving scheme for downlink transmission in multiuser relay networks," IEEE Transactions on Information Forensics and Security, vol. 12, no. 4, pp. 825-839, Apr. 2017.

19. Xiao Tang, Pinyi Ren, Yichen Wang, Zhu Han, "Combating full-duplex active eavesdropper: a hierarchical game perspective," IEEE Transactions on Communications, vol. 65, no. 3, pp. 1379-1395, Mar. 2017.

20. Yichen Wang and Wenwen Xu, "Statistical delay QoS provisioning for energy-efficient spectrum-sharing based wireless ad hoc sensor networks," Journal of Sensors, vol. 2016, no. 2016, pp. 1-13, 2016.

21. Dawei Wang, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, " Reciprocally-benefited secure transmission for spectrum sensing-based cognitive radio sensor networks," Sensors, vol. 16, no. 12, 2016.

22. Li Sun, Qinghe Du, Pinyi Ren, and Yichen Wang, "Two birds with one stone: towards secure and interference-free D2D transmissions via constellation rotation," IEEE Transactions on Vehicular Technology, vol. 65, no .10, pp. 8767-8774, Oct. 2016.

23. Qinghe Du, Wanyu Li, Lingjia Liu, Pinyi Ren, Yichen Wang, and Li Sun, "Dynamic RACH partition for massive access of differentiated M2M services," Sensors, vol. 16, no. 4, pp. 1-19, 2016.

24. Hao Lu, Yichen Wang, Yan Chen, and K. J. Ray Liu, "Stable throughput region and admission control for device-to-device cellular coexisting networks," IEEE Transactions on Wireless Communications, vol. 15, no. 4, pp. 2809-2824, Apr. 2016.

25. Li Sun, Pinyi Ren, Qinghe Du, and Yichen Wang, "Fountain-coding aided strategy for secure cooperative transmission in industry wireless sensor networks," IEEE Transactions on Industry Informatics, vol. 12, no. 1, pp. 291-300, Feb. 2016.

26. Yichen Wang, Pinyi Ren, Qinghe Du, and Li Sun, "Optimal power allocation for underlay-based cognitive radio networks with primary user's statistical delay QoS provisioning," IEEE Transactions on Wireless Communications, vol. 14, no. 12, pp. 6896-6910, Dec. 2015.

27. Dawei Wang, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Downlink and uplink cooperative transmission for primary secrecy based cognitive radio sensor networks," International Journal of Distributed Sensor Networks, vol. 2015, pp. 1-14, 2015.

28. Yichen Wang and K. J. Ray Liu, "Statistical delay QoS protection for primary users in cooperative cognitive radio networks," IEEE Communications Letters, vol. 19, no. 5, pp. 835-838, May 2015.

29. Li Sun, Pinyi Ren, Qinghe Du, Yichen Wang, and Zhenzhen Gao, "Security-aware relaying scheme for cooperative networks with untrusted relay nodes," IEEE Communications Letters, vol. 19, no. 3, pp. 463-466, Mar. 2015.

30. Zhenzhen Gao, Li Sun, Yichen Wang, and Xuewen Liao, "Double differential transmission for amplify-and-forward two-way relay systems," IEEE Communications Letters, vol. 18, no. 10, pp. 1839-1842, Oct. 2014.

31. Yichen Wang, Pinyi Ren, Feifei Gao, and Zhou Su, “A hybrid underlay/overlay transmission mode for cognitive radio networks with statistical Quality-of-Service provisioning,” IEEE Transactions on Wireless Communications, vol. 13, no. 3, pp. 1482-1498, Mar. 2014.

32. Pinyi Ren, Yichen Wang, and Qinghe Du, “CAD-MAC: a channel-aggregation diversity based MAC protocol for spectrum and energy efficient cognitive ad hoc networks,” IEEE Journal on Selected Areas in Communications, vol. 32, no. 2, pp. 237-250, Feb. 2014.

33. Yichen Wang, Pinyi Ren, and Feifei Gao, “Power allocation for statistical QoS provisioning in opportunistic multi-relay DF cognitive networks,” IEEE Signal Processing Letters, vol. 20, no. 1, pp. 43-46, Jan. 2013.

34. Yichen Wang, Pinyi Ren, Qinghe Du, and Chao Zhang, “Optimal resource allocation for spectrum sensing based cognitive radio networks with statistical QoS guarantees,” ACM/Springer Mobile Networks and Applications (MONET), vol. 17, no. 6, pp. 711-720, Dec. 2012.

35. Yichen Wang, Pinyi Ren, Fan Li, and Zhou Su, “Cross-layer based power allocation over cognitive wireless relay link with statistical delay QoS guarantees,” WILEY Concurrency and Computation: Practice and Experience (CCPE), vol. 24, no. 11, pp. 1239-1251, Aug. 2012.

36. Wenshan Yin, Pinyi Ren, Qinghe Du, and Yichen Wang, “Delay and throughput oriented continuous spectrum sensing schemes in cognitive radio networks,” IEEE Transactions on Wireless Communications, vol, 11, no. 6, pp. 2148-2159, Jun. 2012.

37. Pinyi Ren, Jia Feng, and Yichen Wang, “A directional MAC protocol with long-range communication ability in ad hoc networks,” Science China: Information Sciences, vol. 55, no. 4, pp. 765-777, Apr. 2012.

38. Pinyi Ren, Yichen Wang, Qinghe Du, and Jing Xu, “A survey on dynamic spectrum access protocols for distributed cognitive wireless networks,” EURASIP Journal on Wireless Communications and Networking, vol. 2012, no. 60, pp. 1-21, Feb. 2012.

39. Yichen Wang, Pinyi Ren, and Zhou Su, “A POMDP based distributed adaptive opportunistic spectrum access strategy for cognitive ad hoc networks,” IEICE Transactions on Communications, vol. E94-B, no. 6, pp. 1621-1624, Jun. 2011.

40. Yichen Wang, Pinyi Ren, and Zhou Su, “Polarization-based long-range communication directional MAC protocol for cognitive ad hoc networks,” IEICE Transactions on Communications, vol. E94-B, no. 5, pp. 1265-1275, May 2011.

41. Yichen Wang, Pinyi Ren, and Guangen Wu, “A throughput-aimed MAC protocol with QoS provision for cognitive ad hoc networks,” IEICE Transactions on Communications, vol. E93-B, no. 6, pp. 1426-1429, Jun. 2010, Received IEICE Communications Society 2010 Best Letter Award. 

Conference Papers

1. Yixin Wang, Yichen Wang, Tao Wang, and Julian Cheng, "Joint channel estimation and user activity detection for mmWave grant-free massive MTC networks under pilot contamination attack," in Proc. IEEE Vehicular Technology Conference (VTC) 2024-Spring, Singapore, 24-27 June 2024.

2. Peixuan Li, Yichen Wang, Moqi Liu, and Haotian Liu, "Matching game based resource allocation scheme for adaptive semantic and bit communication networks," in Proc. IEEE Vehicular Technology Conference (VTC) 2024-Spring, Singapore, 24-27 June 2024.

3. Tao Wang, Yichen Wang, and Yixin Wang, "Data aggregation based massive machine-type communications coexisting with human-to-human communcations: Mechanism design and performance evaluation," in Proc. IEEE Vehicular Technology Conference (VTC) 2024-Spring, Singapore, 24-27 June 2024.

4. Haotian Liu, Yichen Wang, Tao Wang, and Peixuan Li, "User-level dynamic beam hopping design for LEO satellite networks based on deep reinforcement learning assisted enhanced genetic algorithm," in Proc. IEEE Vehicular Technology Conference (VTC) 2024-Spring, Singapore, 24-27 June 2024.

5. Zhangnan Wang, Yichen Wang, and Shuai Sun, "Two-layer game based covert communication strategy against jamming attack oriented warden," in Proc. IEEE Vehicular Technology Conference (VTC) 2023-Fall Workshop on Security and Privacy for Internet of Things and Cyber-Physical Systems (IoT/CPS-Security), Hong Kong, China, 10-13 Oct. 2023.

6. Xiaofen Jiao, Yichen Wang, Haotian Liu, and Tao Wang, "Dynamic beam assignment-based secure beamforming scheme in large-scale multi-beam LEO satellite constellation," in Proc. International Conference on Wireless Communications and Signal Processing (WCSP) 2022, Nanjing, Jiangsu, China, 15-17 Oct. 2022.

7. Peixuan Li, Yichen Wang, and Zhangnan Wang, "A game-based joint task offloading and computation resource allocation strategy for hybrid edgy-cloud and cloudy-edge enabled LEO satellite networks," in Proc. IEEE/CIC International Conference on Communications in China (ICCC) 2022, Foshan, Guangdong, China, 11-13 Aug. 2022.

8. Zhangnan Wang and Yichen Wang, "A pilot contamination attacker-defender model for wireless networks under Stackelberg game," in Proc. IEEE Vehicular Technology Conference (VTC) 2022-Spring, Helsinki, Finland, 19-22 June 2022.

9. Haotian Liu, Yichen Wang, and Yixin Wang, "A successive deep Q-learning based distributred handover scheme for large-scale LEO satellite networks," in Proc. IEEE Vehicular Technology Conference (VTC) 2022-Spring, Helsinki, Finland, 19-22 June 2022.

10. Yixin Wang, Yichen Wang, Tao Wang, and Julian Cheng, "Diverse traffic demands oriented multi-user detection for grant-free massive MTC networks," in Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2022, Austin, TX, U.S., 10-13 Apr. 2022.

11. Xiaofen Jiao, Yichen Wang, Zhangnan Wang, and Tao Wang, "Joint opportunistic satellite scheduling and beamforming for secure transmision in cognitive LEO satellite terrestrial networks," in Proc. EAI International Conference on Communications and Networking in China (CHINACOM) 2021, Beijing, China, 21-22 Nov. 2021.

12. Shuyu Zhao, Yichen Wang, Tao Wang, and Zhangnan Wang, "A reservation-based hybrid multiple access scheme for URLLC coexisting with eMBB," in Proc. IEEE/CIC International Conference on Communications in China (ICCC) 2021, Xiamen, Fujian, China, 28-30 July 2021.

13. Zhangnan Wang, Yichen Wang, Lu Wang, Tao Wang, and Dongyang Xu, "A delay-driven early caching and sharing strategy for D2D transmission network," in Proc. IEEE Vehicular Technology Conference (VTC) 2020-Spring, Antwerp, Belgium, 25-28 May 2020.

14. Tao Wang, Yichen Wang, Dongyang Xu, and Zhangnan Wang, "Resource allocation for mMTC/H2H coexistence with H2H's success probability of data transmission," in Proc. IEEE Wireless Communications and Netwokring Conference (WCNC), Seoul, South Korea, 6-9 Apr. 2020.

15. Zihuan Yang, Yichen Wang, Zhangnan Wang, and Dongyang Xu, "Power back-off based non-orthogonal random access scheme for massive MTC networks," in Proc. IEEE Global Communications Conference (GLOBECOM) 2019, Waikoloa, HI, USA, 9-13 Dec. 2019.

16. Shuyu Zhao, Yichen Wang, Yuncong Xie, and Dongyang Xu, "Joint time-frequency diversity based uplink grant-free transmission scheme for URLLC," in Proc.  International Conference on Wireless Communications and Signal Processing (WCSP) 2019, Xi'an, Shaanxi, China, 23-25 Oct. 2019.

17. Tao Wang, Yichen Wang, Zhuang Li, and Zhangnan Wang, "Resource allocation in opportunistic cooperative cognitive radio network with PU's statistical delay QoS provisioning," in Proc. International Conference on Wireless Communications and Signal Processing (WCSP) 2019, Xi'an, Shaanxi, China, 23-25 Oct. 2019.

18. Zihuan Yang, Yichen Wang, Zhangnan Wang, and Tao Wang, "Relaying threshold based random access and data transmission scheme for grouped massive MTC networks," in Proc. International Conference on Wireless Communications and Signal Processing (WCSP) 2019, Xi'an, Shaanxi, China, 23-25 Oct. 2019.

19. Zhuang Li, Yichen Wang, Tao Wang, and Zhangnan Wang, "Joint access control and resource allocation for mMTC based on tagged preamble," in Proc. International Conference on Wireless Communications and Signal Processing (WCSP) 2019, Xi'an, Shaanxi, China, 23-25 Oct. 2019.

20. Dongyang Xu, Pinyi Ren, Yichen Wang, and James A. Ritcey, "Fundamental tradeoffs in uplink grant-free multiple access with protected CSI," in Proc. International Conference on Wireless Communications and Signal Processing (WCSP) 2019, Xi'an, Shaanxi, China, 23-25 Oct. 2019.

21. Yuncong Xie, Pinyi Ren, Yichen Wang, Dongyang Xu, Qiang Li, and Qinghe Du, "Power-Efficient Uplink Resource Allocation for Ultra-Reliable and Low-Latency Communication," in Proc. IEEE Vehicular Techology Conference (VTC) 2019-Fall, Honolulu, HI, USA, 22–25 Sept. 2019.

22. Yuncong Xie, Pinyi Ren, Yichen Wang, and Jiuchao Li, "Power Consumption-Oriented Resource Allocation Strategy for Ultra-Reliable Low-Latency Communication," in Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2019, Marrakech, Morocco, 15-18 Apr. 2019.

23. Wenwen Xu and Yichen Wang, "QoS-driven subchannel and power allocation for security-aware D2D underlaying cellular networks," in Proc. IEEE Global Communications Conference (GLOBECOM) 2018, Abu Dhabi, UAE, 9-13 Dec. 2018.

24. Yichen Wang, Tao Wang, Xiao Tang, and Pinyi Ren, "QoS and security aware power allocation scheme for wiretap cognitive radio network," in Proc. IEEE Vehicular Technology Conference (VTC) 2018-Fall, Chicago, IL USA, 27-30 Aug. 2018.

25. Wenwen Xu and Yichen Wang, "Heterogeneous statistical-delay QoS and security provisioning for D2D underlay cellular networks," in Proc. IEEE Vehicular Technology Conference (VTC) 2018-Spring, Porto, Portugal, 3-6 Jun. 2018.

26. Chen Tian, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "An artificial noise-based security scheme for interference alignment-based wireless networks," in Proc. IEEE Global Communications Conference (GLOBECOM) 2017, Signapore, Singapore, 4-8 Dec. 2017.

27. Datong Xu, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Design for NOMA: combat eavesdropping and improve spectral efficiency in two-user relay network," in Proc. IEEE Global Communications Conference (GLOBECOM) 2017, Signapore, Singapore, 4-8 Dec. 2017.

28. Dongyang Xu, Pinyi Ren, Yichen Wang, Qinghe Du, and Li Sun, “ICA-SBDC: a channel estimation and identification mechanism for MISO-OFDM systems under pilot spoofing attack,” in Proc. IEEE International Conference on Communications (ICC) 2017, Paris, France, 21-25 May 2017, pp. 1-6.

29. Datong Xu, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, “Combat eavesdropping by full-duplex technology and signal transformation in non-orthogonal multiple access transmission,” in Proc. IEEE International Conference on Communications (ICC) 2017, Paris, France, 21-25 May 2017, pp. 1-6.

30. Qian Xu, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Outage constrained secrecy rate maximization for relay networks against unknown eavesdroppers," in Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2017, San Francisco, CA, USA, Mar. 19-22, 2017, pp. 1-6.

31. Hongliang He, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Physical layer security improvement by constellation selection and artificial interference," in Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2017, San Francisco, CA, USA, Mar. 19-22, 2017, pp. 1-6.

32. Dawei Wang, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Optimal power allocation for cognitive radio sensor networks under primary secrecy outage constraint," in Proc. IEEE Internaitonal Conference on Communication Systems (ICCS) 2016, Shenzhen, China, Dec. 14-16, 2016, pp. 1-5.

33. Hongbin Xu, Li Sun, Pinyi Ren, Qinghe Du, Yichen Wang, and Zhenzhen Gao, "Cooperative physical-layer approach for downlink privacy preserving in multiuser relay networks," in Proc. IEEE Global Communications Conference (GLOBECOM) 2016, Washington, DC, USA, Dec. 4-8, 2016, pp. 1-7.

34. Hongliang He, Pinyi Ren, Li Sun, Qinghe Du, and Yichen Wang, "Secure communication using noisy feedback," in Proc. IEEE Global Communications Conference (GLOBECOM) 2016, Washington, DC, USA, Dec. 4-8, 2016, pp. 1-6.

35. Hongliang He, Pinyi Ren, Li Sun, Qinghe Du, and Yichen Wang, "Jamming or Forwarding? Full-duplex relaying for physical layer security," in Proc. IEEE Global Communications Conference (GLOBECOM) 2016 - Workshop on Full Duplex Wireless Communications, Washington, DC, USA, Dec. 4-8, 2016, pp. 1-6.

36. Dawei Wang, Yichen Wang, Pinyi Ren, Li Sun, and Qinghe Du, "Two-path successive relaying and jamming for securing the primary system," in Proc. International Symposium on Wireless Personal Multimedia Communications (WPMC) 2016, Shenzhen, China, Nov. 14-16, 2016.

37. Caihong Han, Li Sun, Pinyi Ren, and Yichen Wang, "Toward secure internet of things via hybrid forwarding and opportunistic relaying," in Proc. IEEE/CIC International Conference on Communications in China (ICCC) 2016, Chengdu, Sichuan, China, Jul. 27-29, 2016.

38. Hongliang He, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Secure and energy efficient transmission in multiuser uplink wireless networks," in Proc. IEEE Vehucular Technology Conference (VTC) 2016-Fall, Montreal, Canada, Sep. 18-21, 2016.

39. Dawei Wang, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Primary secure communication with the cooperation of energy harvesting secondary system," in Proc. IEEE Vehucular Technology Conference (VTC) 2016-Fall, Montreal, Canada, Sep. 18-21, 2016.

40. Qian Xu, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "On achievable secrecy rate by noise aggregation over wireless fading channels," in Proc. IEEE International Conference on Communications (ICC) 2016, Kuala Lumpur, Malaysia, May 23-27, 2016. (EI: 9781479966646)

41. Dawei Wang, Pinyi Ren, Qinghe Du, Li Sun, and Yichen Wang, "Cooperative relaying and jamming for primary secure communication in cognitive two-way networks," in Proc. IEEE Vehicular Technology Conference (VTC) 2016-Spring, Nanjing, China, May 15-18, 2016.

42. Wanyu Li, Qinghe Du, Li Sun, Pinyi Ren, and Yichen Wang, "Security enhanced via dynamic fountain code design for wireless delivery," in Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2016, Doha, Qatar, Apr. 3-6, 2016.

43. Hao Lu, Yichen Wang, Yan Chen, and K. J. Ray Liu, "Interference model and analysis on device-to-device cellular coexist networks," in Proc. IEEE Global Conference on Signal and Information Processing (GlobalSIP) 2015, Orlando, Florida, USA, Dec. 14-16, 2015, pp. 1086-1090.

44. Pinyi Ren, Yichen Wang, Bei Qi, Qinghe Du, and Li Sun, "Cyclic-shifting based sequential cooperative spectrum sensing strategy for multi-channel cognitive radio networks," in Proc. IEEE Global Communications Conference (GLOBECOM) 2015, San Diego, CA, USA, Dec. 6-10, 2015, pp. 1-5.

45. Xiao Tang, Pinyi Ren, Yichen Wang, Qinghe Du, and Li Sun, "Securing wireless transmision against reactive jamming: a stackelberg game framework," in Proc. IEEE Global Communications Conference (GLOBECOM) 2015, San Diego, CA, USA, Dec. 6-10, 2015, pp. 1-6.

46. Yiyan Zhang, Pinyi Ren, Li Sun, Qinghe Du, and Yichen Wang, "Antenna tilt assignment for three-dimensional beamforming in multiuser systems," in Proc. IEEE Global Communications Conference (GLOBECOM) 2015, San Diego, CA, USA, Dec. 6-10, 2015, pp. 1-6.

47. Wanyu Li, Qinghe Du, Lingjia Liu, Pinyi Ren, Yichen Wang, and Li Sun, "Dynamic allocation of RACH resource for clustered M2M communications in LTE networks," in Proc. International Conference on Identification, Information and Knowledge in The Internet of Things (IIKI) 2015, Beijing, China, Oct. 22-23, 2015, pp. 140-145.

48. Qinghe Du, Li Sun, Pinyi Ren, and Yichen Wang, "Statistical security model and power adaption over wireless fading channels," in Proc. International Conference on Wireless Communications and Signal Processing (WCSP) 2015, Nanjing, Jiangsu, China, Oct. 15-17, 2015, pp. 1-6.

49. Dawei Wang, Pinyi Ren, Yichen Wang, Qinghe Du, and Li Sun, "Cooperative jamming with untrusted SUs for secure communication of two-hop primary system," in Proc. International Wireless Communications &Mobile Computing Conference (IWCMC) 2015, Valamar Dubrovnik President, Dubrovnik, Croatia, Aug. 24-28, 2015, pp. 90-95.

50. Yichen Wang, Pinyi Ren, Qinghe Du, and Li Sun, "Power allocation for cognitive radio networks with statistical QoS provisioning of primary users," in Proc. IEEE International Conference on Communications (ICC) 2015, London, UK, Jun. 8-12, 2015, pp. 9322-9327.

51. Dawei Wang,Pinyi Ren, Yichen Wang, Qinghe Du, and Li Sun, "Interference cancellation based transmision strategy using primary ARQ for cooperative CRNs," in Proc. IEEE International Conference on Communications (ICC) 2015 - Workshop on Cooperative and Cognitive Networks (CoCoNet), London, UK, Jun. 8-12, 2015, pp. 977-982.

52. Xiao Tang, Pinyi Ren, Yichen Wang, Qinghe Du, and Li Sun, "User association as a stochastic game for enhanced performance in heterogeneous networks," in Proc. IEEE International Conference on Communications (ICC) 2015, London, UK, Jun. 8-12, 2015, pp. 5014-5019.

53. Hongliang He, Qinghe Du, Houbing Song, Wanyu Li, Yichen Wang, and Pinyi Ren, "Traffic-aware ACB scheme for massive access in machine-to-machine networks," in Proc. IEEE International Conference on Communications (ICC) 2015, London, UK, Jun. 8-12, 2015, pp. 2213-2218.

54. Zhenzhen Gao, Chao Zhang, and Yichen Wang, "Double differential transmission for two-way relay systems with unknown carrier frequency offsets," in Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2015, Brisbane, Australia, Apr. 19-24, 2015.

55. Qiang Yang, Qinghe Du, Pinyi Ren, Li Sun, Yichen Wang, and Gangming Lv, "Prediction based interference management and distributed trajectory regulation in amorphous cells," in Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2015, New Orleans, LA, USA, Mar. 9-12, 2015, pp. 299-304.

56. Qinghe Du, Pinyi Ren, Hongbing Song, Yichen Wang, and Li Sun, "On P2P-share oriented routing over interference-constrained D2D networks," in Proc. IEEE International Conference on Mobile Ad-Hoc and Sensor Networks (MSN) 2014, Maui, Hawaii, USA, Dec. 19-21, 2014, pp. 1-6.

57. Xiao Tang, Pinyi Ren, Yichen Wang, Qinghe Du, and Li Sun, "Coalition-assisted energy efficiency optimization via uplink macro-femto cooperation," in Proc. IEEE Global Communications Conference (GLOBECOM) 2014, Austin, Texas, USA, Dec. 8-12, 2014, pp. 2526-2531.

58. Long Wang, Qinghe Du, Pinyi Ren, Li Sun, and Yichen Wang, "Buffering-aided resource allocation for type I relay in LTE-advanced cellular networks," in Proc. IEEE Global Communications Conference (GLOBECOM) 2014, Austin, Texas, USA, Dec. 8-12, 2014, pp. 4608-4613.

59. Dawei Wang, Pinyi Ren, Yichen Wang, Qinghe Du, and Li Sun, "Energy cooperation for reciprocally-benefited spectrum access in cognitive radio networks," in Proc. IEEE Global Conference on Signal and Information Processing (GlobalSIP) 2014, Atlanta, Georgia, USA, Dec. 3-5, 2014, pp. 1325-1329.

60. Dong Liang, Pinyi Ren, Li Sun, Qinghe Du, and Yichen Wang, "Adaptive generalized space shift keying and downlink multi-user transmission in MIMO fading channels," in Proc. IEEE International Conference on Communication Systems (ICCS) 2014, Macau, China, Nov. 19-21, 2014, pp. 1-5.

61. Di Zhang, Pinyi Ren, Yichen Wang, Qinghe Du, and Li Sun, "Energy management scheme for mobile terminals in energy efficient heterogeneous network," in Proc. International Conference on Wireless Communications and Signal Processing (WCSP) 2014, Heifei, Anhui, China, Oct. 23-25, 2014, pp. 1-5.

62. Qinghe Du, Pinyi Ren, Yichen Wang, and Li Sun, "Sustainablility-driven power control for energy harvesting enhanced wireless transmission," in Proc. IEEE International Symposium on Mobile Multimedia Networks (MMN) 2014, Xi'an, Shaanxi, China, Sep. 11-13, 2014.

63. Juanmei Wu, Yichen Wang, and Jianguo Deng, "TSCR-MAC: Time-slotted channel reservation based cognitive MAC," in Proc. EAI International Conference on Communications and Networking in China (CHINACOM) 2014, Maoming, Guangdong, China, Aug. 14-16, 2014.

64. Xiao Tang, Pinyi Ren, Yichen Wang, Qinghe Du, and Li Sun “Efficient power control via non-cooperative target SINR competition in distributed wireless networks,” in Proc. IEEE Vehicular Technology Conference (VTC) 2014-Fall, Vancouver, Canada, Sep. 14-17, 2014, pp. 1-6.

65. Dawei Wang, Pinyi Ren, and Yichen Wang, “Joint subcarrier and power allocation for reciprocally-benefited spectrum sharing in cognitive radio networks,” in Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2014, Istanbul, Turkey, Apr. 6-9, 2014, pp. 1820-1825.

66. Baorong Jiang, Li Sun, Pinyi Ren, Shaoli Xue, and Yichen Wang, “Parallel resource allocation algorithm for throughput maximization in LTE uplink systems,” in Proc. International Conference on Communication Technology (ICCT) 2013, Singapore, Singapore, Nov. 15-16, 2013.

67. Yichen Wang, Pinyi Ren, and Qinghe Du, “Statistical QoS driven power allocation for cognitive networks under primary user’s outage probability constraint,” in Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2012, Sydney, Australia, Sep. 9-12, 2012, pp. 167-172.

68. Yichen Wang, Pinyi Ren, Qinghe Du, and Zhou Su, “Resource allocation and access strategy selection for QoS provisioning in cognitive networks,” in Proc. IEEE International Conference on Communications (ICC) 2012, Ottawa, Canada, Jun. 10-15, 2012, pp. 4632-4636.

69. Chao Zhang, Qinghe Du, Yichen Wang, and Wei Guo, “Optimal relay power allocation for amplify-and-forward OFDM relay networks with deliberate clipping,” in Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2012, Paris, France, Apr. 1-4, 2012, pp. 381-386.

70. Yichen Wang, Pinyi Ren, Qinghe Du, and Chao Zhang, “A channel-aggregation diversity based MAC protocol in power-constrained cognitive ad hoc networks,” in Proc. IEEE Global Communications Conference (GLOBECOM) 2011, Houston, Texas, USA, Dec. 5-9, 2011, pp. 1288-1293.

71. Yichen Wang, Pinyi Ren, Qinghe Du, “Statistical delay QoS driven power and rate allocation for cognitive multi-relay DF networks,” in Proc. Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC) 2011, Xi’an, China, Oct. 18-21, 2011, pp. 1-8.

72. Yichen Wang, Pinyi Ren, Qinghe Du, “Statistical QoS driven power and rate allocation over Rayleigh fading cognitive radio links,” in Proc. International ICST Wireless Internet Conference (WICON) 2011, Xi’an, China, Oct. 19-21, pp. 1-6.