1. "Timely Data and Signal Updates", Tsinghua University, Jul. 2017.


2. "Timely Data and Signal Updates", Sun Yet-sen University, Jul. 2017.


3. "Timely Data and Signal Updates", Northwestern University, Jul. 2017.


4. "Near Delay-Optimal Job Scheduling and Task Replications over Parallel Machines", Invited Talk at INFORMS Applied Probability Society Conference, Kellogg School of Management, Jul. 2017.


5. "Age-of-Information: Optimizing the Freshness of Real-Time Data", Workshop at ACM MobiHoc TPC Meeting, University of Southern California, Mar. 2017. [slides]


6. "Age-of-Information: Optimizing the Freshness of Real-Time Data", the Ohio State University, Feb. 2017.


7. "Real-time Sampling of Gauss-Markov Signals", Invited Talk at IEEE ITA Workshop, Feb. 2017.


8. "Minimizing Latency in Cloud Systems: Replication Over Parallel Servers", UIUC, May 2016


9. "Minimizing Latency in Cloud Systems: Replication Over Parallel Servers", Arizona State University, Apr. 2016


10. "Minimizing Latency in Cloud Systems: Replication Over Parallel Servers", MIT, Apr. 2016


11. "Towards Delay Optimal Data Retrieving in Cloud Storage Systems", Tsinghua University, May 2015


12. "Towards Delay Optimal Data Retrieving in Cloud Storage Systems", Beijing JiaoTong University, May 2015


13. "Towards Delay Optimal Data Retrieving in Cloud Storage Systems", Sun Yat-sen University, May 2015


14. "Towards Delay Optimal Data Retrieving in Cloud Storage Systems", Invited Talk at IEEE ITA Workshop, Feb. 2015


15. "Life-Add: A Redesign of WiFi for Smartphones with Battery Life, Throughput and Fairness Improvements", Seoul National University, Aug. 2013


16. "Life-Add: A Redesign of WiFi for Smartphones with Battery Life, Throughput and Fairness Improvements", National Tsinghua University, Aug. 2013


17. "Life-Add: A Redesign of WiFi for Smartphones with Battery Life, Throughput and Fairness Improvements", National Taiwan University of Science and Technology, Aug. 2013