Jing    Lei

 

 

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Awards and Honors

 Projects and Publications

 

 

 Core Projects


I.    Green Communications: Energy-Aware Transmission Policy for Rechargeable Networks

  • Introduced the Concept of Rechargeable Networks for Green Communications

  • Modeled the Energy Replenishment and Consumption Process of Green Radio via Markov Chain

  • Optimized the Admission Control Policy and Energy-Aware Routing Algorithms

Output: IEEE Trans. on Wireless Communications '09, CISS'06

 

II.   PHY/MAC Design for Multi-Gigabits WLAN Operating at 60 GHz

  • Studied Channel Propagation Properties of Millimeter Wave Band

  • Studied LDPC Design for 60 GHz WLAN Channel Subject to Blockage and Directivity

  • Studied MAC Protocol Suitable for 60 GHz Channel

      Output: IEEE Comm. Magazine, IEEE INFOCOM (under preparation)

 

III.   Collaborative Spectrum Sensing for Broadband Cognitive Radio Networks

  • Developed Channel-Aware Distributed Linear Detection Algorithm

  • Developed Iterative Non-Linear Detection Algorithm via Belief Propagation

  • Designed Scheduling of Generalized Message Passing Algorithm

  • Developed Robust Localization Algorithm for Unknown Transmission Power

Output:  ICNP'09, CISS'09, IEEE ISIT'09,  IEEE WOCC'09, IEEE Trans. on Communications

 

IV.    LDPC Coded Modulation for Wireless/Wired Channels

  • Designed Multi-edge Type De-multiplexer for LDPC Coded Modulation

  • Developed Fast Algorithm for Identifying Error-Prone Patterns under Message Passing Decoding

  • Designed Density Evolution Algorithm over Surrogate Channels

  • Designed and Implemented Superposition Coding for Hierarchical Modulation

Output: IEEE ISIT'09,  IEEE WCNC'09,  IEEE GLOBECOM'08,  ALLERTON'08, 

IEEE ICC'08, IEEE Trans. on Communications

 

V.   Mapping Wireless Networks onto Indoor Testbed

  • Developed Radio Mapping Algorithm for Wireless LAN

  • Developed Radio Mapping Algorithm for Wireless Mesh Network

  • Developed Link Gain Estimation Algorithm for Distributed Wireless Networks via Maxium Entropy Sampling

  • Conducted Calibration of Wireless 802.1x Testbed

Output: IEEE Trans. on Wireless Communications '09,  IEEE GLOBECOM'08,

IEEE VTC'07,  IEEE TRIDENTCOM'06,  IEEE TRIDENTCOM'05

 

VI.   Synchronization, Channel Estimation and Interference Mitigation for Broadband Wireless Receivers

  • Designed Pilot Sequence for Robust and Consistent Frequency Synchronization and Channel Estimation in OFDM Transceivers

  • Developed Blind Time and Frequency Synchronization Algorithm for MDPSK Receivers

  • Designed Interference Mitigation Strategy for Spread Spectrum Communication

Output: IEEE Trans. on Wireless Communications '04,

IEEE Trans. on Broadcasting '03,   IEEE ICC'03,   IEEE APCCAS'02,

IEEE GLOBECOM'01,  IEEE ISCAS'01

 

publications


Journals

  1. J. Lei and T. S. Ng, “A Consistent OFDM Carrier Frequency Offset Estimator Based on Distinctively Spaced Pilot Tones,” IEEE Transaction on Wireless Communications, Vol. 3, pp. 588~599, Mar. 2004.

  2. J. Lei and T. S. Ng, “A Non-Data-Aided and Non-Phase-Based AFC Method for MPSK DS/CDMA Transceivers Used in Digital Broadcasting,” IEEE Transaction on Broadcasting, Vol. 49, pp. 335~343, Dec. 2003.

  3. J. Lei, R. Yates, L. Greenstein and H. Liu, “Mapping Link SNRs of Real-World Wireless Networks onto An Indoor Testbed,”  IEEE Transaction on Wireless Communications, Jan. 2009, Vol.8, pp. 157-165.

  4. J. Lei , R. Yates and L. Greenstein, "A Generic Model for Optimizing Transmission Policy of Replenishable Sensor Networks," IEEE Transaction on Wireless Communications, Feb. 2009, Vol.8, pp. 547-551.

  5. J. Lei, L. Greenstein and R.Yates, “Link Gain Matrix Estimation in Distributed Wireless Networks,” EURASIP Journal on Wireless Network and Communications, Special Issue on Simulators and Experimental Testbeds Design and Development for Wireless Networks, Dec. 2009.

  6. J. Lei, W. Gao, R. Yates and L. Greenstein, “Hierarchical Constellation Design for Digital Video Broadcasting,” submitted to IEEE Transaction on Multimedia, 2009.

  7. J. Lei, R. Yates, W. Gao and L. Greenstein, Demultiplexer Design for Multi-edge Type Coded Modulation,” submitted to IEEE Transaction on Communications, 2009.

  8. J. Lei, Z. Chen, X. Jing, R. Yates and D. Raychaudhuri, “Protocol Design for Cooperative Detection of Primary Users in Cognitive Radio Networks,”  to be submitted to IEEE Transaction on Wireless Communications.

  9. Z. Chen, J. Lei, R. Yates and D. Raychaudhuri, "Design of Energy Aware Routing Protocol for Rechargeable Networks," to be submitted to IEEE Transactions on Wireless Communications.

 

Conferences

  1. J. Lei, X. Jing, Z. Chen, R. Yates and D. Raychaudhuri, “Protocol Design for Cooperative Sensing of Primary Users in Cognitive Radio Networks,” Proc. of International Conference on Network Protocols (ICNP), October 2009, Princeton, USA

  2. J. Lei, W. Gao, P. Spasojevic and R. Yates," Demultiplexer Design for Multi-edge Type Coded Modulation," Proc. of IEEE International Symposium on Information Theory (ISIT), June 2009, Seoul, Korea.

  3. J. Lei, R. Yates, P. Spasojevic and L. Greenstein, "Cooperative Sensing in Cognitive Radio Networks based on Message Passing," Conference on Information Sciences and Systems (CISS), March 2009, Baltimore, MD, USA.

  4. J. Lei and W. Gao, “A Code-Matched Interleaver Design for LDPC Codes over Surrogate Channel,” IEEE Wireless Communication and Networking Conference (WCNC), April 2009, Budapest, Hungary.

  5. J. Lei and W. Gao, “Matching Graph Connectivity of LDPC Codes to High-Order Modulation by Bit Interleaving,” 46th Allerton Conference on Communication, Control and Computing, September 2008, UIUC, USA.

  6. J. Lei and W. Gao, “Fast Identification of Error-Prone Patterns for LDPC Codes under Message Passing Decoding,” IEEE Global Communication Conference (GLOBECOM), Nov. 2008, New Orleans, USA.

  7. J. Lei and L. Greenstein and R. Yates, “Link Gain Matrix Estimation in Distributed Wireless Networks based on Maximum Entropy Sampling,” IEEE Global Communication Conference (GLOBECOM), Nov. 2008, New Orleans, USA. 

  8. J. Lei and W. Gao, “A Backward Compatible Solution for Next Generation Digital Video Broadcasting Systems,” IEEE International Conference on Communication (ICC), May 2008, Beijing, China.

  9. H. Kremo, J. Lei, I. Seskar and L. Greenstein, "Characterization of the ORBIT Indoor Testbed Radio Environment,"  IEEE 66th Vehicular Technology Conference (VTC), October 2007, Baltimore, Maryland, USA

  10. J. Lei, R. Yates, L. Greenstein and H. Liu,  “Mapping Link SNR of Wireless Mesh Network Onto an Indoor Testbed,” Best Paper Award, IEEE International Conference of Testbeds and Research Infrastructures for the Development of Networks and Communities (TRIDENTCOM), February 2006, Barcelona, Spain.

  11. J. Lei, R. Yates and L. Greenstein, “Optimal Transmission Policy for Renewable Sensor Networks,” Conference on Information Science and Systems (CISS), March 2006, Princeton University, New Jersey, USA

  12. J. Lei, R. Yates, L. Greenstein, and H. Liu, “Wireless Link SNR Mapping onto an Indoor Testbed,” IEEE International Conference of Testbeds and Research Infrastructures for the Development of Networks and Communities (TRIDENTCOM), February 2005, Trento, Italy.

  13. J. Lei and T. S. Ng, “Pilot-Tone-Based Maximum Likelihood Estimator for Carrier Frequency Offset in OFDM Systems,” IEEE International Conference on Communications (ICC), pp. 2046–2050, May 2003, Alaska, USA.

  14. J. Lei and T. S. Ng, “A Blind Carrier Frequency Offset Detector Used for Feedback Frequency Synchronization in OFDM Receivers,” IEEE International Conference on Communications (ICC), pp. 2041–2045, May 2003. Alaska, USA.

  15. J. Lei and T. S. Ng, “Fast Frequency Tracking Algorithm for OFDM Applications,” IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), pp. 201-205. Oct. 2002, Singapore.

  16. J. Lei and T. S. Ng, “Periodogram-Based Carrier Frequency Offset Estimation for Orthogonal Frequency Division Multiplexing Applications,” IEEE Global Communication Conference (GLOBECOM), pp. 3070-3074, Nov. 2001, Texas, USA.

  17. J. Lei  and T. S. Ng, “New AFC Algorithm for a Fully-Digital MDPSK DS/CDMA receiver,” IEEE International Symposium on Circuits and Systems (ISCAS), pp. 294-297, May 2001, Sydney, Australia.

 

Patents and Disclosures

  1. J. Lei and W. Gao, “De-multiplexer Design for Multi-edge Type LDPC Coded Modulation,” US patent application   61/205021.

  2. J. Lei and W. Gao, “Bit Interleaver Design for LDPC Coded Modulations,” US patent application   61/093291.

  3. J. Lei and W. Gao, “Code-matched Interleaver Design over Surrogate Channels,” US patent application   61/102517.

  4. J. Lei and W. Gao, “Bit-interleaved LDPC Coded Modulation and Physical Layer Signaling,” US patent application   61/077895.

  5. J. Lei and W. Gao, “Fast Identification of Error Prone Patterns for LDPC Codes under Message Passing Decoding,” PU080040, Thomson Corporate Research Lab, Princeton, New Jersey.

  6. J. Lei and W. Gao, “A Backward Compatible Solution for Next Generation DVB-C Systems Based on Hierarchical Modulation,” PU070235, Thomson Corporate Research Lab, Princeton, New Jersey.

  7. J. Lei and W. Gao, “Matching Graph Connectivity of LDPC Codes to High Order Modulations,” PU080041, Thomson Corporate Research Lab, Princeton, New Jersey.

  8. J. Lei and W. Gao, “LDPC Code Bit Interleavers for Short and Long LDPC Codes,” PU 080175, Thomson Corporate Research Lab, Princeton, New Jersey.

  9. J. Lei and W. Gao, “Physical Layer Signaling for DVB Systems,” PU 080103,  Thomson Corporate Research Lab, Princeton, New Jersey.