[21] 6. Duy H. N. Nguyen, Yanru Zhang, and Zhu Han, “A Contract-Theoretic Approach to Spectrum Resource Allocation in Wireless Virtualization,” IEEE Globe Communication Conference (GLOBECOM), Washington, DC, Dec. 2016.

[22] 7. Meng Li, Yanru Zhang, Li Wang, Mei Song, and Zhu Han, “Incentive Design for Collaborative Jamming Using Contract Theory in Physical Layer Security,” IEEE/CIC International Conference on Communications in China(CIC/ICCC), Chengdu, China, Jul. 2016.

[23] 8. Yanru Zhang, Yunan Gu, Lingyang Song, Miao Pan, Zaher Dawy, and Zhu Han, “Tournament Based Incentive Mechanism Designs for Mobile Crowdsourcing,” IEEE Globe Communication Conference (GLOBECOM), San Diego, CA, Dec. 2015.

[24] 9. Yunan Gu, Yanru Zhang, Lin X. Cai, Miao Pan, Lingyang Song, and Zhu Han, “Exploiting Student-Project Allocation Matching for Spectrum Sharing in LTE-Unlicensed,” IEEE Globe Communication Conference (GLOBECOM), San Diego, CA, Dec. 2015.

[25] 10. Yanru Zhang, Yunan Gu, Miao Pan, Zaher Dawy, Lingyang Song, and Zhu Han, “Financing Contract with Adverse Selection and Moral Hazard for Spectrum Trading in Cognitive Radio Networks,” invited, IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP), Chengdu, China, Jul. 2015.

[26] 11. Yanru Zhang, Yunan Gu, Lanchao Liu, Miao Pan, Zaher Dawy, and Zhu Han, “Incentive Mechanism in Crowdsourcing with Moral Hazard,” IEEE Wireless Communications and Networking Conference (WCNC), New Orleans, LA, Mar. 2015.

[27] 12. Yunan Gu, Yanru Zhang, Miao Pan, and Zhu Han, “Student Admission Matching based Content-Cache Allocation,” IEEE Wireless Communications and Networking Conference (WCNC), New Orleans, LA, Mar. 2015.

[28] 13. Yanru Zhang, Yunan Gu, Miao Pan, and Zhu Han, “Distributed Matching Based Spectrum Allocation in Cognitive Radio Networks,” IEEE Globe Communication Conference (GLOBECOM), Austin, TX, Dec. 2014.

[29] 14. Yunan Gu, Yanru Zhang, Miao Pan, and Zhu Han, “Cheating in Matching of Device to Device Pairs in Cellular Networks,” IEEE Globe Communication Conference (GLOBECOM), Austin, TX, Dec. 2014.

[30] 15. Yawei Pang, Yanru Zhang, Yunan Gu, Miao Pan, and Zhu Han, “Efficient Data Collection for Wireless Rechargeable Sensor Clusters in Harsh Terrains Using UAVs,” IEEE Globe Communication Conference (GLOBECOM), Austin, TX, Dec. 2014.

[31] 16. Yanru Zhang, Lingyang Song, Walid Saad, Zaher Dawy, and Zhu Han, ‘‘Exploring Social Ties for Enhanced Device-to-Device Communications in Wireless Networks,’’ IEEE Globe Communication Conference (GLOBECOM), Atlanta, GA, Dec. 2013.

[32] 17. Yanru Zhang, Erte Pan, Lingyang Song, Walid Saad, Zaher Dawy, and Zhu Han, ‘‘Social Network Enhanced Device-to-Device Communication Underlying Cellular Networks,’’ IEEE International Conference on Communications in China (ICCC), D2D Workshop, Xi'an, China, Aug. 2013.