Xu (Grace) Xu's Homepage
I have submitted my PhD thesis and now I am waiting for comments from examiners. My PhD has been under the supervision of Dr. Weifa Liang, Prof. Brendan McKay, Prof. Eryk Dutkiewicz, and Dr.Tim Wark.
.:: EDUCATION ::.
PhD Candidate       09/2009-now
College of Engineering and Computer Science, Australian National University, Canberra, Australia
M.S. in Computer Science       09/2006-07/2009
Institute of Computing Technology (ICT), Chinese Academy of Sciences (CAS), Beijing, China
Bachelor in Computer Science       09/2002-07/2006
China Agricultural University, Beijing, China
.:: RESEARCH INTERESTS ::.
Wireless Sensor Networks (energy efficiency, data gathering, multi-radio, nodes scheduling)
Routing Protocol (load balancing, reliable routing)
Optimization Problem Modeling and Approximate Algorithms
.:: AWARDS AND HONORS ::.
ANU Vice-Chancellor's HDR Travel Grants, The Australian National University       07/2013
OCE CSIRO Postgraduate Top-up Scholarship (3 awarded in Australia), CSIRO       12/2009-12/2012
ANU International PhD Scholarship, The Australian National University       08/2009-02/2013
ANU PhD Supplementary Scholarship, The Australian National University       08/2009-02/2013
Outstanding Graduate Award, the Institute of Computing Technology (ICT), Chinese Academy of Sciences (CAS)      01/2009
Lenovo Excellent Student Scholarship (5/600), ICT, CAS       01/009
Outstanding Student Award, ICT, CAS      04/2008
Excellent Research Assistant Award, ICT, CAS      01/2008
Outstanding Graduate Award, China Agricultural University       06/2006
Outstanding Student Scholarship (1/124), China Agricultural University       2003-2006
Excellent Student Award, China Agricultural University      2003-2006
An Li Fang Scholarship, China Agricultural University      07/2005
.:: TEACHING EXPERIENCE ::.
Tutor, Information Technology in Electronic Commerce (COMP3410/6341), ANU, Semester 2, 2011
Tutor, Networked Information Systems (COMP2410/COMP6340), ANU, Semester 1, 2010/2011
Tutor, Software Design (COMP2110/COMP2510), ANU, Semester 2, 2010
The Graduate Teaching Program (Distinguished Certificate), Research Student Development Center, ANU, Semester 2, 2010
Tutor Induction Program, Flexible Learning Unit, ANU, 2010
.:: SELECTED TALKS ::.
``Sink Multiplicity and Mobility in Wireless Sensor Networks'', Seminar, CSIRO at Queensland Centre for Advanced Technologies, 06/2012
``Energy Efficiency and Monitoring Quality in Wireless Sensor Networks'', Seminar, Queensland Lab of NICTA, 05/2012
``Resource Optimization in Dual-Radio Wireless Sensor Networks'', Seminar, Queensland University of Technology, 05/2012
``Theoretical Approaches to Wireless Sensor Networks'', Seminar, Griffith School of Engineering, Griffith University, 05/2012
``Constrained Optimization Problems in Wireless Sensor Networks'', Seminar, Chinese Academy of Sciences, 04/2012
``Monitoring quality optimization in wireless sensor networks with a mobile sink'', Conference presentation, Miami, 10/2011
``Data quality maximization in sensor networks with a mobile sink'', Conference presentation, Barcelona, 07/2011
``Data-Coverage sleep scheduling in wireless sensor networks'', Conference presentation, Shenzhen, 10/2008
``Placing optimal number of sinks in sensor networks for network lifetime maximization'', Poster, Kyoto, June 2011
``Prolonging network lifetime via a controlled mobile sink in wireless sensor networks'', Poster, Miami, 12/2010
``How many sinks should we deploy?'', Poster, The Australian National University, 08/2011
``Multiple Mobile Sinks in Wireless Sensor Networks'', Poster, The Australian National University, 07/2010
.:: RESEARCH VISITS ::.
Dr. Tim Wark, CSIRO at Queensland Centre for Advanced Technologies, 2012
Dr. Marius Portmann, Queensland Lab of NICTA, 2012
Prof. Glen Tian, Queensland University of Technology, 2012
Prof. David Thiel, Griffith University, 2012
Prof. Yunhao Liu, Tsinghua University, 2012
Dr. Xiaofan Jiang, Mobile and Sensing Systems Group, Microsoft Research Asia, 2012
.:: PROFESSIONAL ACTIVITIES ::.
Reviewer of IEEE Transactions on Mobile Computing
Reviewer of IEEE Transactions on Wireless Communications
Reviewer of Ad Hoc & Sensor Wireless Networks
Reviewer of International Conference on Ad Hoc Networks & Wireless
Reviewer of International Symposium on Communications and Information Technologies
.:: PUBLICATIONS ::.
Xu Xu, Weifa Liang, Xiaohua Jia, and Wenzheng Xu, "Maximizing network throughput with minimal remote data transfer cost in unreliable wireless sensor networks", To appear in Proceedings of 14th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), July, 2013.
Xu Xu, "Network Throughput Maximization in Unreliable Sensor Networks with a Mobile Sink", In Proceedings of the 9th International Wireless Communications & Mobile Computing Conference (IWCMC), July 2013.
Xu Xu, Weifa Liang, and Zichuan Xu, "Minimizing remote monitoring cost of wireless sensor networks", In Proceedings of 2013 IEEE Wireless Communications and Networking Conference (WCNC), IEEE, April, 2013.
Weifa Liang, Xiaojiang Ren, Xiaohua Jia, and Xu Xu, "Monitoring quality maximization through fair rate allocation in harvesting sensor networks", Accepted by IEEE Transactions on Parallel and Distributed System, Nov. 2012
Xu Xu,Weifa Liang, Tim Wark, and Jaein Jeong, "Maximizing Network Lifetime Via 3G Gateway Assignment in Dual-Radio Sensor Networks", In Proceedings of 37th IEEE Conference on Local Computer Networks (LCN), IEEE, Oct. 2012. Acceptance rate: 29%
Xu Xu and Weifa Liang, "Monitoring quality optimization in wireless sensor networks with a mobile sink", In Proceedings of 14th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM), ACM, Oct. 2011. Acceptance rate: 23%
Weifa Liang, Jun Luo, and Xu Xu, "Network lifetime maximization for time-sensitive data gathering in wireless sensor networks with a mobile sink", Accepted by Journal of Wireless Communications and Mobile Computing, Vol.XX, Wiley-Blackwell publisher, 2011. Impact Factor: 0.81
Xu Xu, Weifa Liang, and Tim Wark, "Data quality maximization in sensor networks with a mobile sink", In Proceedings of International Conference on Distributed Computing in Sensor Systems (DCOSS), IEEE, July, 2011. Acceptance rate: 28%
Xu Xu and Weifa Liang, "Placing optimal number of sinks in sensor networks for network lifetime maximization", In Proceedings of ICC, IEEE, June, 2011. Acceptance rate: 38%
Weifa Liang, Jun Luo, and Xu Xu, "Prolonging network lifetime via a controlled mobile sink in wireless sensor networks", In Proceedings of Globecom, IEEE, Dec, 2010. Acceptance rate: 35%
Xu Xu, Yu-Hen Hu, Jingping Bi, and Wei Liu, "Adaptive nodes scheduling approach for clustered sensor networks", In Proceedings of 2009 IEEE Symposium on Computers and Communications (ISCC), IEEE, July, 2009. Acceptance rate: 35%
Xu Xu, Yu-Hen Hu, Wei Liu, and Jingping Bi, "Data-coverage sleep scheduling in wireless sensor networks," In Proceedings of International Conference on Grid and Cooperative Computing (GCC), IEEE, Oct, 2008.    Best Paper Award
.:: PATENTS ::.
Xu Xu, Jingping Bi, Ye Li, Dapeng Liu, and Feng Yang "A method about locating network exceptions in AS", Chinese Patent No CN101547125B, Aug. 2011
Xu Xu, Jingping Bi, Ye Li, and Dapeng Liu "A method to deal with AS network topology", Chinese Patent No CN101547114B, June 2011
Wei Liang, Xu Xu, Mo Chen, and Jingping Bi, "A method to compute the shortest path between two nodes in the network", Chinese Patent No CN101465793B, Feb. 2011
Ye Li, Xu Xu, Dapeng Liu, and Jingping Bi "A method to construct real-time AS network topology about DR", Chinese Patent No CN101282241B, April 2011