[CSUR] Yuan He, Xiuzhen Guo, Xiaolong Zheng, Zihao Yu, Jia Zhang, Haotian Jiang, Xin Na, Jiacheng Zhang, "Cross-Technology Communication for the Internet of Things:
A Survey", ACM CSUR.
[IMWUT] Weiguo Wang, Jinming Li, *Yuan He, Xiuzhen Guo, Yunhao Liu, "MotorBeat: Acoustic Communication for Home Appliances via Variable Pulse Width Modulation", ACM IMWUT, 2022.
[TMC]Weiguo Wang, Jinming Li, *Yuan He, Yunhao Liu, "Localizing Multiple Acoustic Sources with a Single Microphone Array", IEEE Transactions on Mobile Computing, 2022.
[TMC] Songzhou Yang, *Yuan He, Meng Jin, "Continuous Gaze Tracking with Implicit Saliency-Aware Calibration on Mobile Devices", IEEE Transactions on Mobile Computing, 2022.
[TMC] Meng Jin, *Yuan He, Songzhen Yang, Yunhao Liu, Li Yan, Yuyi Sun, "Versatile RFID-based Sensing: Model, Algorithm, and Applications", IEEE Transactions on Mobile Computing, 2022.
[TMC] Junchen Guo, *Yuan He, Chengkun Jiang, Meng Jin, Shuai Li, Jia Zhang, Rui Xi, Yunhao Liu, "Measuring Micrometer-Level Vibrations with mmWave Radar", IEEE Transactions on Mobile Computing, 2021.
[TON] Xiuzhen Guo, Longfei Shangguan, *Yuan He, Jia Zhang, Haotian Jiang, Awais Ahmad Siddiqi, Yunhao Liu, "Efficient Ambient LoRa Backscatter with On-Off Keying Modulation", IEEE/ACM Transactions on Networking, 2021.
[TOSN] Jia Zhang, Xiuzhen Guo, Haotian Jiang, Xiaolong Zheng, *Yuan He, "Link Quality Estimation of Cross-Technology Communication: The Case with Physical-level Emulation", ACM Transactions on Sensor Networks, 2021.
[TOSN]Xiuzhen Guo, *Yuan He, Jia Zhang, Haotian Jiang, Zihao Yu, Xin Na, "Taming the Errors in Cross-Technology Communication: A Probabilistic Approach", ACM Transactions on Sensor Networks.
[TON] Yuan He, Xiuzhen Guo, Jia Zhang, Haotian Jiang, "WIDE: Physical-level CTC via Digital Emulation", IEEE/ACM Transactions on Networking, 2021.
[TON] Meng Jin, *Yuan He, Chengkun Jiang, Yunhao Liu, "Parallel Backscatter: Channel Estimation and Beyond", IEEE/ACM Transactions on Networking, 2021.
[TON] Meng Jin, *Yuan He, Xin Meng, Dingyi Fang, Xiaojiang Chen, "Parallel Backscatter in the Wild: When Burstiness and Randomness Play with You",IEEE/ACM Transactions on Networking, 2021.
[JIOT] Xiuzhen Guo, *Yuan He, Xiaolong Zheng, Zihao Yu, Yunhao Liu, "LEGO-Fi: Transmitter-Transparent CTC with Cross-Demapping", IEEE Internet of Things Journal, 2021.
[TON] Xiuzhen Guo, *Yuan He, Xiaolong Zheng, "WiZig: Cross-Technology Energy Communication over a Noisy Channel", IEEE/ACM Transactions on Networking, 2020.
[TMC] Meng Jin, *Yuan He, Xiaolong Zheng, Dingyi Fang, Dan Xu, Tianzhang Xing, Xiaojiang Chen, "Exploiting Interference Fingerprints for Predictable Wireless Concurrency", IEEE Transactions on Mobile Computing.
[TMC] *Yuan He, Yilun Zheng, Meng Jin, Songzhen Yang, Xiaolong Zheng, Yunhao Liu, "RED: RFID-based Eccentricity Detection for High-speed Rotating Machinery", IEEE Transactions on Mobile Computing.
[TON] Xiuzhen Guo, *Yuan He, Xiaolong Zheng, Omprakash Gnawali, "ZigFi: Harnessing Channel State Information for Cross-Technology Communication ", IEEE/ACM Transactions on Networking.
[TMC] Chengkun Jiang, *Yuan He, Xiaolong Zheng, Yunhao Liu, "OmniTrack: Orientation-aware RFID Tracking with Centimeter-level Accuracy", IEEE Transactions on Mobile Computing.
[Book Chapter] Xiaolong Zheng, *Yuan He, "Data Dissemination and Remote Control in Wireless Sensor Networks", In: Ammari H. (eds) Mission-Oriented Sensor Networks and Systems: Art and Science. Studies in Systems, Decision and Control, vol 163. Springer, Cham, 2019.
[TOSN] Daibo Liu, Zhichao Cao, Yuan He, Xiaoyu Ji, Mengshu Hou, "Exploiting Concurrency for Opportunistic Forwarding in Duty-cycled IoT Networks", ACM Transactions on Sensor Networks.
[COMNET] Binbin Li, *Yuan He, Wenyuan Liu, Lin Wang, "Towards Time-efficient Localized Polling for Large-scale RFID Systems", Elsevier Computer Networks Journal.
[SPM]Yuan He, *Junchen Guo, Xiaolong Zheng, "From Surveillance to Digital Twin: Challenges and Recent Advances of Signal Processing for Industrial IoT", IEEE Signal Processing Magazine, Special Issue on Signal Processing for Internet-of-Things.
[TMC] Meng Jin, *Yuan He, Dingyi Fang, Xiaojiang Chen, Xin Meng, Tianzhang Xing, "iGuard: A Real-Time Anti-Theft System for Smartphones", IEEE Transactions on Mobile Computing.
[CRAD]Yuan He, Xiaolong Zheng, "Research on Wireless Network Co-Existence at 2.4 GHz", Journal of Computer Research and Development, 2016, 53(1): 26-37. (A Chinese Survey, PDF)
[JCST] Rui Li, Kebin Liu, Xiang-Yang Li, Yuan He, Wei Xi, Zhi Wang, Jizhong
Zhao, Meng Wan, "Assessing Diagnosis Approaches for Wireless Sensor
Networks: Concepts and Analysis", JCST (Journal of Computer Science and
Technology), vol. 29, no. 5, pp. 887-900, 2014.
[TON]Wei Dong, Yunhao Liu, Yuan He, and Tong Zhu, Chun Chen, "Measurement and Analysis on the Packet Delivery Performance in A Large Scale Sensor Network", IEEE/ACM Transactions on Networking, vol. 22, no. 6, pp. 1952-1963, Dec. 2014.
[IEEE Network]Yunhao Liu, Xufei Mao, Yuan He, Kebin Liu, Wei Gong, Jiliang Wang, "CitySee: not only a wireless sensor network", IEEE Network, Special Issue on Cloud-assisted mobile computing and pervasive services, vol. 27, no. 5, pp. 42-47, Oct. 2013.
[TMC] *Yuan He,Yunhao Liu, Xingfa Shen, Lufeng Mo, Guojun Dai, "Non-Interactive Localization of Wireless Camera Sensors with Mobile Beacon", IEEE Transactions on Mobile Computing, vol. 12, no. 2, pp. 333-345, Feb. 2013.
[AHSWN]Rui Li, Jizhong Zhao, Kebin Liu, Yuan He, "Ranking-based Feature Selection for Anomaly Detection in Sensor Networks", Ad Hoc & Sensor Wireless Networks, 2013.
[AHSWN]Shuo Lian , Jizhong Zhao, Yuan He, "Event Localization and Actuation in Wireless Sensor Network without Locations", Ad Hoc & Sensor Wireless Networks, 2013.
[AHN]Pei Wang, Yuan He, Liusheng Huang, "Near Optimal Scheduling of Data Aggregation in Wireless Sensor Networks", Elsevier Ad Hoc Networks Journal, 2011.
[TVT]Zhongwen Guo, Ying Guo, Feng Hong, Zongke Jin, Yuan He, Yuan Feng, Yunhao Liu, “Perpendicular Intersection: Locating Wireless Sensors with Mobile Beacon”, (PDF), IEEE Transactions on Vehicular Technology, vol. 59, Issue 7, pp. 3501 - 3509,2010.
[FCS]Yunhao Liu, Guomo Zhou, *Yuan He, et al., "Long-Term Large-Scale Sensing in the Forest:
Recent Advances and Future Directions of GreenOrbs", Frontier of Computer Science in China (Special Issue on Cognitive Sense of China), 2010.
[Book Chapter] *Yuan He and Yunhao Liu, "Collaborative Sensor Networks: Taxonomy and Design Space", In Handbook of Research on Developments and Trends in Wireless Sensor Networks: From Principle to Practice, H. Jin and W. Jiang, editors, IGI Global, 2009.
[IPSN] Zihao Yu, Xin Na, Carlo Alberto Boano, *Yuan He, Xiuzhen Guo, Pengyu Li, Meng Jin, "SmarTiSCH: An Interference-Aware Engine for IEEE 802.15.4e-based Networks", ACM/IEEE IPSN, Milan, Italy, May 4-6, 2022.
[IPSN] Meng Jin, Yuan He, Yunhao Liu, Xinbing Wang, "Furtively Connecting IoT Devices with Random Noise", ACM/IEEE IPSN, Milan, Italy, May 4-6, 2022.
[NSDI] Xiuzhen Guo, Longfei Shangguan, *Yuan He, Nan Jing, Jiacheng Zhang, Haotian Jiang, Yunhao Liu, "Saiyan: Design and Implementation of a Low-power Demodulator for LoRa Backscatter Systems", USENIX NSDI 2022.
[SenSys] Haotian Jiang, Jiacheng Zhang, Xiuzhen Guo, Yuan He, "Sense Me on the Ride: Accurate Mobile Sensing over a LoRa Backscatter Channel", ACM SenSys 2021.
[ICDCS] Zihao Yu, Pengyu Li, Carlo Alberto Boano, *Yuan He, Meng Jin, Xiuzhen Guo and Xiaolong Zheng, "BiCord: Bidirectional Coordination among Coexisting Wireless Devices", IEEE ICDCS, July 7-10, 2021, Virtual.
[ICDCS] Songzhen Yang, Meng Jin, *Yuan He, "RF-Prism: Versatile RFID-based Sensing through Phase Disentangling", IEEE ICDCS, July 7-10, 2021, Virtual.
[IPSN]Junchen Guo, Meng Jin, *Yuan He, Weiguo Wang, Yunhao Liu, "Dancing Waltz with Ghosts: Measuring Sub-mm-Level 2D Rotor Orbit with a Single mmWave Radar", IEEE/ACM IPSN, Nashville, Tennessee, USA, May 18-21, 2021.
[INFOCOM] Songzhou Yang, *Yuan He, Meng Jin, "vGaze: Implicit Saliency-Aware Calibration for
Continuous Gaze Tracking on Mobile Devices", IEEE International Conference on Computer Communications, Virtual Conference, 10-13 May 2021.
[MobiHoc] Xiaolong Zheng, Dan Xia, Xiuzhen Guo, Liang Liu, Yuan He, Huadong Ma, "Portal: Transparent Cross-technology Opportunistic Forwarding for Low-power Wireless Networks", ACM International Symposium on Theory, Algorithmic Foundations, and Protocol Design for Mobile Networks and Mobile Computing, online, Oct. 11-14, 2020.
[ICCCN] Weiguo Wang, Jinming Li, Meng Jin, Yuan He, "ChordMics: Acoustic Signal Purification with Distributed Microphones", the 29th International Conference on Computer Communications and Networks, Aug. 3-6, Honolulu, Hawaii, USA, 2020.
[IPSN] Meng Jin, *Yuan He, Chengkun Jiang, Yunhao Liu, "Fireworks: Channel Estimation of Parallel Backscattered Signals", ACM/IEEE International Conference on
Information Processing in Sensor Networks, Sydney, Australia, April 21-24, 2020.
[INFOCOM] Jia Zhang, Xiuzhen Guo, Haotian Jiang, Xiaolong Zheng, *Yuan He, "Link Quality Estimation of Cross-Technology Communication", IEEE International Conference on Computer Communications, Beijing, China, Apr. 27 - 30, 2020.
[BIGCOM] Luyao Chong, Meng Jin, Yuan He, "EmoChat: Bringing multimodal emotion detection to mobile chat", BIGCOM, Qingdao, China, 9-11 August, 2019. Best Paper Award
[SECON] Songzhou Yang, Xiaolong Zheng, Yuan He, "FoVR: Attention-based VR Streaming through Bandwidth-limited Wireless Networks", IEEE SECON, Boston, Massachusetts, USA, 10-13 June 2019.
[SECON] Weiguo Wang, Xiaolong Zheng, Yuan He, Xiuzhen Guo, "AdaComm: Tracing Channel Dynamics for Reliable Cross-Technology Communication", IEEE SECON, Boston, Massachusetts, USA, 10-13 June 2019.
[IPSN] Xiuzhen Guo, *Yuan He, Jia Zhang, Haotian Jiang, "WIDE: Physical-level CTC via Digital Emulation", ACM/IEEE International Conference on Information Processing in Sensor Networks, Montreal, Canada, Apr. 16 - Apr. 18, 2019.
[IPSN] Chengkun Jiang, *Yuan He, Songzhen Yang, Junchen Guo, Yunhao Liu, "3D-OmniTrack: 3D Tracking with COTS RFID Systems", ACM/IEEE Conference on Information Processing in Sensor Networks, Montreal, Canada, Apr. 16 - 18, 2019.
[INFOCOM] Junchen Guo, Ting Wang, *Yuan He, Meng Jin, Chengkun Jiang, Yunhao Liu, "TwinLeak: RFID-based Liquid Leakage Detection in Industrial Environments", IEEE International Conference on Computer Communications, Paris, France, Apr. 29 - May 2, 2019.
[INFOCOM] Xiuzhen Guo, *Yuan He, Xiaolong Zheng, Zihao Yu, Yunhao Liu, "LEGO-Fi: Transmitter-Transparent CTC with Cross-Demapping", IEEE International Conference on Computer Communications, Paris, France, Apr. 29 - May 2, 2019.
[ICII] Junchen Guo, Ting Wang, Meng Jin, Songzhen Yang, Chengkun Jiang, Long Liu, *Yuan He, "TagLeak: Non-intrusive and Battery-free Liquid Leakage Detection with Backscattered Signals", in IEEE ICII 2018, Bellevue, WA, USA, Oct. 21-23, 2018. Best Paper Award
[MobiCom] Meng Jin, *Yuan He, Xin Meng, Dingyi Fang, Xiaojiang Chen, "Parallel Backscatter in the Wild: When Burstiness and Randomness Play with You", ACM MobiCom, New Delhi, India, Oct. 29 - Nov. 2, 2018.
[IPSN] Chengkun Jiang, *Yuan He, Xiaolong Zheng, Yunhao Liu, "Orientation-aware RFID Tracking with Centimeter-level Accuracy", IEEE/ACM International Conference on Information Processing in Sensor Networks, Porto, Portugal, April 11-13, 2018.
[INFOCOM] Xiaolong Zheng, *Yuan He, Xiuzhen Guo, "StripComm: Interference-Resilient Cross-Technology Communication in Coexisting Environments", IEEE International Conference on Computer Communications, Honolulu, HI, USA, April 15-19, 2018.
[INFOCOM] Xiuzhen Guo, *Yuan He, Xiaolong Zheng, " ZigFi: Harnessing Channel State Information for Cross-Technology Communication", IEEE International Conference on Computer Communications, Honolulu, HI, USA, April 15-19, 2018.
[INFOCOM] Yilun Zheng, *Yuan He, Meng Jin, Xiaolong Zheng, Yunhao Liu, "RED: RFID-based Eccentricity Detection for High-speed Rotating Machinery ",IEEE International Conference on Computer Communications, Honolulu, HI, USA, April 15-19, 2018.
[EWSN] Zihao Yu, Chengkun Jiang, *Yuan He, Xiaolong Zheng, Xiuzhen Guo, "Crocs: Cross-Technology Clock Synchronization for WiFi and ZigBee ", International Conference on Embedded Wireless Systems and Networks, Madrid, Spain, February 14-16, 2018.
[ICPADS] Junchen Guo, *Yuan He, Xiaolong Zheng, "PanGu: Towards A Software-Defined Architecture
for Multi-function Wireless Sensor Networks", IEEE ICPADS, Shenzhen, China, December 15-17, 2017. Best Student Paper Award
[MobiCom] Meng Jin, *Yuan He, Xin Meng, Yilun Zheng, Dingyi Fang,Xiaojiang Chen, "FlipTracer: Practical Parallel Decoding for Backscatter Communication", ACM MobiCom, Snowbird, Utah, USA, Oct 16-20, 2017.
[INFOCOM]Xiuzhen Guo, Xiaolong Zheng, *Yuan He, "WiZig: Cross-Technology Energy Communication over a Noisy Channel", IEEE INFOCOM, Atlanta, GA, USA, May 1-4, 2017.
[INFOCOM]Meng Jin, *Yuan He, Dingyi Fang,Xiaojiang Chen, Xin Meng, Tianzhang Xing, "iGuard: A Real-Time Anti-Theft System for Smartphones", IEEE INFOCOM, Atlanta, GA, USA, May 1-4, 2017.
[SECON] Yi Zhang, Yuan He, Jiliang Wang, Yanrong Kang, Daibo Liu, Bo Li, and Yunhao, "Share Brings Benefits: Towards Maximizing Revenue for Crowdsourced Mobile Network Access", IEEE SECON, San Diego, CA, USA, June 12-14, 2017.
[ICPADS] Chengkun Jiang, *Yuan He, "Smart-DJ: Context-aware Personalization for Music Recommendation on Smartphones", IEEE ICPADS, Wuhan, China, December 13-16, 2016.
[ICNP] Meng Jin, *Yuan He, Xiaolong Zheng, Dingyi Fang, Dan Xu, Tianzhang Xing, Xiaojiang Chen, "Smoggy-Link: Fingerprinting Interference for Predictable Wireless Concurrency", IEEE ICNP, Singapore, November 8-11, 2016.
[ICNP] Binbin Li, *Yuan He, Wenyuan Liu, Lin Wang, Hongyan Wang, "LocP: An Efficient Localized Polling Protocol for Large-scale RFID Systems", IEEE ICNP, Singapore, November 8-11, 2016.
[DCOSS] Jiaqi Liang, *Yuan He, Yunhao Liu, "SenseWit: Pervasive Floorplan Generation Based On Only Inertial Sensing", IEEE DCOSS, Washington, DC, May 26-28, 2016.
[SECON] Yi Zhang, Jiliang Wang, Yuan He, Xiaoyu Ji, Yanrong Kang, Daibo Liu, Bo Li, "Furion: Towards Energy-Efficient WiFi Offloading under Link Dynamics", IEEE SECON, London, UK, June 27-30, 2016.
[INFOCOM]Meng Jin, Tianzhang Xing, Xiaojiang Chen, Xin Meng, Dingyi Fang, *Yuan He,"DualSync: Taming Clock Skew Variation for Synchronization in Low-Power Wireless Networks", IEEE INFOCOM, San Francisco, CA, April 10-15, 2016.
[ICPADS] *Yuan He and Shuo Lian, "Stethoscope: A Sustainable Runtime Debugger for Wireless Sensor Networks", IEEE ICPADS, Melbourne, Australia, December 14-17, 2015.
[RTSS] Yi Zhang, Jiliang Wang, Yuan He, Yanrong Kang, Bo Li, Yunhao Liu, "Q-offload: Quality Aware WiFi Offloading with Link Dynamics", IEEE RTSS, San Antonio, TX, December 1-4, 2015.
[ICNP] Daibo Liu, Mengshu Hou, Zhichao Cao, Yuan He, Xiaoyu Ji, Xiaolong Zheng, "COF: Exploiting Concurrency for Low Power
Opportunistic Forwarding", IEEE ICNP, San Francisco, CA, 2015.
[ICPP] Binbin Li, *Yuan He, Wenyuan Liu, "Towards Constant-Time Cardinality Estimation for Large-Scale RFID Systems", ICPP, Beijing, China, September 1-4, 2015.
[ICDCS] Daibo Liu, Zhichao Cao, Xiaopei Wu, Yuan He, Xiaoyu Ji, Mengshu Hou, "TeleAdjusting: Using Path Coding and Opportunistic Forwarding for Remote Control in WSNs", IEEE ICDCS, Columbus, Ohio, USA, June 29 - July 2, 2015.
[SenSys] Xiaolong Zheng, Zhichao Cao, Jiliang Wang, Yuan He, Yunhao Liu, "ZiSense: Towards Interference Resilient Duty Cycling in Wireless Sensor Networks", ACM SenSys, Memphis, TN, USA, November 3-6, 2014.
[ICPP] Yi Zhang, Yuan He, Xiaopei Wu, Yunhao Liu, Wenbo He, "NetMaster: Taming
Energy Devourers on Smartphones", ICPP, Minneapolis, MN, USA, September 9-12, 2014.
[INFOCOM] Xiaoyu Ji, Yuan He, Jiliang Wang, Wei Dong, Xiaopei Wu, Yunhao Liu, "Walking down the STAIRS: Efficient Collision Resolution for Wireless Sensor Networks", IEEE INFOCOM 2014, Toronto, Canada, 2014.
[INFOCOM]Wei Dong, Yunhao Liu, Yuan He, and Tong Zhu, "Measurement and Analysis of the Packet Delivery Performance in A Large Scale Sensor Network", IEEE INFOCOM 2013, Turin, Italy, April 14-19, 2013.
[RTSS] Lin Wang, *Yuan He, Yunhao Liu, Wenyuan Liu, Jiliang Wang, Nan Jing, "It Is Not Just A Matter of Time: Oscillation-Free
Emergency Navigation with Sensor Networks", IEEE RTSS, San Juan, Puerto Rico, 2012.
[RTSS]*Yuan He, Xingfa Shen, Yunhao Liu, Lufeng Mo, Guojun Dai, "LISTEN: Non-Interactive Localization in
Wireless Camera Sensor Networks", IEEE RTSS, San Diego, CA, USA, November 30 - December 3, 2010.
[INFOCOM] Yunhao Liu,Yuan He, Mo Li, Jiliang Wang, et al. "Does Wireless Sensor Network Scale? A Measurement Study on GreenOrbs", IEEE INFOCOM, Shanghai, China, April 10-15, 2011.
[ICPADS] Chao Wang , Huadong Ma, Yuan He, Shuguang Xiong, "Approximate Data Collection for Wireless Sensor
Networks", IEEE ICPADS, Shanghai, China, December 8-10, 2010. Best Paper Award(1 out of 188 submissions)
[INFOCOM]Wei Dong, Xue Liu, Chun Chen, Yuan He, Gong Chen, Yunhao Liu, Jiajun Bu, "DPLC: Dynamic Packet Length Control in Wireless Sensor Networks", (PDF), IEEE INFOCOM 2010, San Diego, CA, USA, March 15-19, 2010.
[RTSS] Zhongwen Guo, Ying Guo, Feng Hong, Xiaohui Yang, *Yuan He, Yunhao Liu, “Perpendicular Intersection: Locating Wireless Sensors with Mobile Beacon”, (PDF), IEEE RTSS, Barcelona, Spain, November 30 - December 3, 2008. (Slides, Experiment Video)
[SenSys-Demo] Shan Chang, Qingxi Li, Yong Qi, Jizhong Zhao, Yuan He, Xue Liu, “Demo Abstract: Safety Assurance for Archeologists Using Sensor Network”, (PDF), ACM SenSys, Raleigh, North Carolina, USA, November 5-7, 2008.
[ICPP]*Yuan He, Hao Ren, Yunhao Liu, Baijian Yang, “On the Reliability of Large-Scale Distributed Systems – A Topological View”, (PDF), ICPP, Portland, Oregon, USA, September 8-12, 2008.
[MobiHoc-Workshop] *Yuan He, Mo Li, Yunhao Liu, Jizhong Zhao, Wei Lan Huang, Jian Ma, “Collaborative Query Processing among Heterogeneous Sensor Networks”, HeterSANET co-located with ACM MobiHoc, Hong Kong, China, May 27, 2008.
[ICNP] *Yuan He and Yunhao Liu, “Supporting VCR in Peer-to-Peer Video-On-Demand”, IEEE ICNP, China, October, 2007.
[ICPP-Workshop] *Yuan He, Tao Gu, Jiang Guo, Jingyao Dai, “KQStream: Kindred-Based QoS-Aware Live Media Streaming in Heterogeneous Peer-to-Peer Environments”, HOT-MP2P in conjunction with ICPP, China, September, 2007.
[ICCNMC] *Yuan He, Yi Zhang, Jiang Guo, “On Mitigating Network Partitioning in Peer-to-Peer Massively Multiplayer Games”, International Conference on Computer Networks and Mobile Computing, Zhangjiajie, China, August, 2005.