publications

publications by categories in reversed chronological order. generated by jekyll-scholar.

journal articles
conference proceedings
invited talks
theses
(publication lists generated from BibTeX using Jekyll-Scholar)


journal articles

  1. Information Leakage in Index Coding With Sensitive and Non-Sensitive Messages
    by Y. Liu, L. Ong, P. Sadeghi, S. J. Johnson, J. Kliewer, and P. L. Yeoh
    IEEE J. Sel. Areas Inf. Theory, 3(4), dec 2022
  2. When Differential Privacy Implies Syntactic Privacy
    by E. Ekenstedt, L. Ong, Y. Liu, S. J. Johnson, P. L. Yeoh, and J. Kliewer
    IEEE Trans. Inf. Forensics Secur., 17(), may 2022
  3. A Code and Rate Equivalence Between Secure Network and Index Coding
    by L. Ong, B. N. Vellambi, J. Kliewer, and P. L. Yeoh
    IEEE J. Sel. Areas Inf. Theory, 2(1), mar 2021
  4. Structural Characteristics of Two-Sender Index Coding
    by C. Thapa, L. Ong, and S. J. Johnson
    Entropy, 21(6:615), jun 2019
  5. Cooperative Multi-Sender Index Coding
    by M. Li, L. Ong, and S. J. Johnson
    IEEE Trans. Inf. Theory, 65(3), mar 2019
  6. Multi-Sender Index Coding for Collaborative Broadcasting: A Rank-Minimization Approach
    by M. Li, L. Ong, and S. J. Johnson
    IEEE Trans. Commun., 67(2), feb 2019
  7. Corrections to ‘Interlinked Cycles for Index Coding: Generalizing Cycles and Cliques’
    by C. Thapa, L. Ong, and S. J. Johnson
    IEEE Trans. Inf. Theory, 64(9), sep 2018
  8. Raptor Codes for Higher-Order Modulation Using a Multi-Edge Framework
    by S. Jayasooriya, M. Shirvanimoghaddam, L. Ong, and S. J. Johnson
    IEEE Commun. Lett., 7(1), feb 2018
  9. Analysis and Design of Raptor Codes Using a Multi-Edge Framework
    by S. Jayasooriya, M. Shirvanimoghaddam, L. Ong, and S. J. Johnson
    IEEE Trans. Commun., 65(12), dec 2017
  10. Optimal Finite-Length and Asymptotic Index Codes for Five or Fewer Receivers
    by L. Ong
    IEEE Trans. Inf. Theory, 63(11), nov 2017
  11. Interlinked Cycles for Index Coding: Generalizing Cycles and Cliques
    by C. Thapa, L. Ong, and S. J. Johnson
    IEEE Trans. Inf. Theory, 63(6), jun 2017
  12. The DoF Region of the Three-Receiver Gaussian MIMO Broadcast Channel with Receiver Message Side Information
    by B. Asadi, L. Ong, and S. J. Johnson
    IEEE Trans. Commun., 65(5), may 2017
  13. Leveraging Receiver Message Side Information in Two-Receiver Broadcast Channels: A General Approach
    by B. Asadi, L. Ong, and S. J. Johnson
    Entropy, 19(4:138), mar 2017
  14. On the Problem of Non-Zero Word Error Rates for Fixed-Rate Error Correction Codes in Continuous Variable Quantum Key Distribution
    by S. J. Johnson, A. M. Lance, L. Ong, M. Shirvanimoghaddam, T. C. Ralph, and T. Symul
    New J. Phys., 19(2), feb 2017
  15. A Joint Optimization Technique for Multi-Edge Type LDPC Codes
    by S. Jayasooriya, M. Shirvanimoghaddam, L. Ong, and S. J. Johnson
    IET Commun., 11(1), jan 2017
  16. A New Density Evolution Approximation for LDPC and Multi-Edge Type LDPC Codes
    by S. Jayasooriya, M. Shirvanimoghaddam, L. Ong, G. Lechner, and S. J. Johnson
    IEEE Trans. Commun., 64(10), oct 2016
  17. The Single-Uniprior Index-Coding Problem: The Single-Sender Case and The Multi-Sender Extension
    by L. Ong, C. K. Ho, and F. Lim
    IEEE Trans. Inf. Theory, 62(6), jun 2016
  18. A Multiway Relay Channel with Balanced Sources
    by L. Ong, and R. Timo
    IEEE Trans. Commun., 63(12), dec 2015
  19. Optimal Coding Schemes for the Three-Receiver AWGN Broadcast Channel with Receiver Message Side Information
    by B. Asadi, L. Ong, and S. J. Johnson
    IEEE Trans. Inf. Theory, 61(10), oct 2015
  20. On Index Coding in Noisy Broadcast Channels with Receiver Message Side Information
    by B. Asadi, L. Ong, and S. J. Johnson
    IEEE Commun. Lett., 18(4), apr 2014
  21. On the Capacity of the Binary Symmetric Parallel-Relay Network
    by L. Ong, S. J. Johnson, and C. M. Kellett
    Trans. Emerg. Telecommun. Technol., 25(2), feb 2014
  22. The Three-User Finite-Field Multi-Way Relay Channel with Correlated Sources
    by L. Ong, G. Lechner, S. J. Johnson, and C. M. Kellett
    IEEE Trans. Commun., 61(8), aug 2013
  23. Multi-Way Relay Networks: Orthogonal Uplink, Source-Channel Separation and Code Design
    by R. Timo, G. Lechner, L. Ong, and S. J. Johnson
    IEEE Trans. Commun., 61(2), feb 2013
  24. The Half-Duplex AWGN Single-Relay Channel: Full Decoding or Partial Decoding?
    by L. Ong, S. J. Johnson, and C. M. Kellett
    IEEE Trans. Commun., 60(11), nov 2012
  25. On Capacity and Optimal Scheduling for the Half-Duplex Multiple-Relay Channel
    by L. Ong, M. Motani, and S. J. Johnson
    IEEE Trans. Inf. Theory, 58(9), sep 2012
  26. On the Equal-Rate Capacity of the AWGN Multiway Relay Channel
    by L. Ong, C. M. Kellett, and S. J. Johnson
    IEEE Trans. Inf. Theory, 58(9), sep 2012
  27. The Capacity Region of the Restricted Two-Way Relay Channel with Any Deterministic Uplink
    by L. Ong, and S. J. Johnson
    IEEE Commun. Lett., 16(3), mar 2012
  28. Joint Channel-Network Coding Strategies for Networks with Low-Complexity Relays
    by S. J. Johnson, L. Ong, and C. M. Kellett
    Eur. Trans. Telecommun., 22(7), nov 2011
  29. The Capacity Region of Multiway Relay Channels Over Finite Fields with Full Data Exchange
    by L. Ong, S. J. Johnson, and C. M. Kellett
    IEEE Trans. Inf. Theory, 57(5), may 2011
  30. Optimal Routing for Decode-Forward in Cooperative Wireless Networks
    by Ong, and Motani
    IEEE Trans. Commun., 58(8), aug 2010
  31. An Optimal Coding Strategy for the Binary Multi-Way Relay Channel
    by L. Ong, S. J. Johnson, and C. M. Kellett
    IEEE Commun. Lett., 14(4), apr 2010
  32. Myopic Coding in Multiterminal Networks
    by L. Ong, and M. Motani
    IEEE Trans. Inf. Theory, 54(7), jul 2008
  33. Coding Strategies for Multiple-Access Channels with Feedback and Correlated Sources
    by L. Ong, and M. Motani
    IEEE Trans. Inf. Theory, 53(10), oct 2007
  34. On the Capacity of the Single Source Multiple Relay Single Destination Mesh Network
    by L. Ong, and M. Motani
    Ad Hoc Netw., 5(6), aug 2007


conference proceedings

  1. Information-Theoretic Limits of Integrated Sensing and Communication over Interference Channels
    by Y. Liu, M. Li, Y. Han, and L. Ong
    Proc. IEEE Int. Conf. Commun. (ICC), Denver, USA, jun 2024
  2. Improved Information-Theoretic Bound for Multiple-Access Integrated Sensing and Communication Systems
    by Y. Liu, M. Li, A. Liu, and L. Ong
    Proc. IEEE Glob. Telecomm. Conf. (GLOBECOM), Kuala Lumpur, Malaysia, dec 2023
  3. An Improved Greedy Cover Algorithm for Pliable Index Coding
    by S. Eghbal, B. N. Vellambi, L. Ong, and P. Sadeghi
    Proc. Allerton Conf. Commun. Control Comput. (Allerton), Monticello, USA, sep 2023
  4. Preferential Pliable Index Coding
    by D. Byrne, L. Ong, P. Sadeghi, and B. N. Vellambi
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Taipei, Taiwan, jun 2023
  5. Very Pliable Index Coding
    by L. Ong, and B. N. Vellambi
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Espoo, Finland, jun 2022
  6. Information Leakage in Index Coding With Sensitive and Non-Sensitive Messages
    by Y. Liu, L. Ong, P. L. Yeoh, P. Sadeghi, J. Kliewer, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Espoo, Finland, jun 2022
  7. On Converse Results for Secure Index Coding
    by Y. Liu, L. Ong, P. Sadeghi, N. Aboutorab, and A. Sharififar
    Proc. IEEE Inf. Theory Workshop (ITW), Kanazawa, Japan, oct 2021
  8. Information Leakage in Index Coding
    by Y. Liu, L. Ong, P. L. Yeoh, P. Sadeghi, J. Kliewer, and S. J. Johnson
    Proc. IEEE Inf. Theory Workshop (ITW), Kanazawa, Japan, oct 2021
  9. Information Leakage in Zero-Error Source Coding: A Graph-Theoretic Perspective
    by Y. Liu, L. Ong, S. J. Johnson, J. Kliewer, P. Sadeghi, and P. L. Yeoh
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Melbourne, Australia, jul 2021
  10. Secure Network and Index Coding Equivalence: The Last Piece of the Puzzle
    by L. Ong, and B. N. Vellambi
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Los Angeles, USA, jun 2020
  11. Improved Lower Bounds for Pliable Index Coding Using Absent Receivers
    by L. Ong, B. N. Vellambi, J. Kliewer, and P. Sadeghi
    Proc. Int. Zurich Semin. Commun. (IZS), Zurich, Switzerland, feb 2020
  12. Can Marton Coding Alone Ensure Individual Secrecy?
    by J. Y. Tan, L. Ong, and B. Asadi
    Proc. IEEE Inf. Theory Workshop (ITW), Visby, Sweden, aug 2019
  13. Centralized Caching with Shared Caches in Heterogeneous Cellular Networks (invited paper)
    by B. Asadi, and L. Ong
    Proc. IEEE Int. Workshop Signal Process. in Wirel. Commun. (SPAWC), Cannes, France, jul 2019
  14. Optimal-Rate Characterisation for Pliable Index Coding using Absent Receivers
    by L. Ong, B. N. Vellambi, and J. Kliewer
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Paris, France, jul 2019
  15. The Secure Two-Receiver Broadcast Channel With One-Sided Receiver Side Information
    by J. Y. Tan, L. Ong, and B. Asadi
    Proc. IEEE Inf. Theory Workshop (ITW), Guangzhou, China, nov 2018
  16. Centralized Caching with Unequal Cache Sizes
    by B. Asadi, L. Ong, and S. J. Johnson
    Proc. IEEE Inf. Theory Workshop (ITW), Guangzhou, China, nov 2018
  17. Secure Network-Index Code Equivalence: Extension to Non-Zero Error and Leakage
    by L. Ong, J. Kliewer, and B. N. Vellambi
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Vail, USA, jun 2018
  18. An Improved Caching Scheme for Nonuniform Demands and Its Optimal Allocation
    by H. Ding, and L. Ong
    Proc. IEEE Int. Conf. Comput. Commun. (ICCC), Chengdu, China, dec 2017
  19. Joint Optimization of User Association Data, Delivery Rate and Precoding for Cache-Enabled F-RANs
    by T. T. Vu, D. T. Ngo, L. Ong, S. Durrani, and R. H. Middleton
    Proc. IEEE Glob. Telecomm. Conf. (GLOBECOM), Singapore, dec 2017
  20. Improved Bounds for Multi-Sender Index Coding
    by M. Li, L. Ong, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Aachen, Germany, jun 2017
  21. An Equivalence Between Secure Network and Index Coding
    by L. Ong, B. N. Vellambi, J. Kliewer, and P. L. Yeoh
    Proc. IEEE Glob. Telecomm. Conf. (GLOBECOM) Workshop Netw. Coding Theory Appl. (Netcod), Washington, USA, dec 2016
  22. Graph-Theoretic Approaches to Two-Sender Index Coding
    by C. Thapa, L. Ong, and S. J. Johnson
    Proc. IEEE Glob. Telecomm. Conf. (GLOBECOM) Workshop Netw. Coding Theory Appl. (Netcod), Washington, USA, dec 2016
  23. NOMA’s Offline Power Allocation and Corresponding Algorithms: A Design and its Evaluation
    by Z. He, J. Kao, and L. Ong
    Proc. IEEE Int. Conf. Comput. Commun. (ICCC), Chengdu, China, oct 2016
  24. Secure Index Coding: Existence and Construction
    by L. Ong, B. N. Vellambi, P. L. Yeoh, J. Kliewer, and J. Yuan
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Barcelona, Spain, jul 2016
  25. A Unified Inner Bound for the Two-Receiver Memoryless Broadcast Channel with Channel State and Message Side Information
    by B. Asadi, L. Ong, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Barcelona, Spain, jul 2016
  26. Generalized Interlinked Cycle Cover for Index Coding
    by C. Thapa, L. Ong, and S. J. Johnson
    Proc. IEEE Inf. Theory Workshop (ITW), Jeju Island, Korea, oct 2015
  27. The Half-Duplex Gaussian Two-Way Relay Channel with Direct Links
    by L. Ong
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Hong Kong, jun 2015
  28. Capacity Results for the Multi-Way Relay Channel with Common Messages
    by L. Ong
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Hong Kong, jun 2015
  29. A Unified Scheme for Two-Receiver Broadcast Channels with Receiver Message Side Information
    by B. Asadi, L. Ong, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Hong Kong, jun 2015
  30. A New Index Coding Scheme Exploiting Interlinked Cycles
    by C. Thapa, L. Ong, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Hong Kong, Hong Kong, jun 2015
  31. Coding Schemes for a Class of Receiver Message Side Information in AWGN Broadcast Channels
    by B. Asadi, L. Ong, and S. J. Johnson
    Proc. IEEE Inf. Theory Workshop (ITW), Hobart, Australia, nov 2014
  32. Optimization of Graph Based Codes for Belief Propagation Decoding
    by S. Jayasooriya, S. J. Johnson, L. Ong, and R. Berretta
    Proc. IEEE Inf. Theory Workshop (ITW), Hobart, Australia, nov 2014
  33. Optimal Coding Functions for Pairwise Message Sharing on Finite-Field Multi-Way Relay Channels
    by L. Ong, S. J. Johnson, and C. M. Kellett
    Proc. IEEE Int. Conf. Commun. (ICC), Sydney, Australia, jun 2014
  34. A New Class of Index Coding Instances Where Linear Coding is Optimal
    by L. Ong
    Proc. Workshop Netw. Coding Theory Appl. (Netcod), Aalborg, Denmark, jun 2014
  35. The Capacity of Three-Receiver AWGN Broadcast Channels with Receiver Message Side Information
    by B. Asadi, L. Ong, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Honolulu, USA, jun 2014
  36. Linear Codes are Optimal for Index-Coding Instances with Five or Fewer Receivers
    by L. Ong
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Honolulu, USA, jun 2014
  37. The Multi-Sender Multicast Index Coding
    by L. Ong, F. Lim, and C. K. Ho
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Istanbul, Turkey, jul 2013
  38. Capacity Results for Two Classes of Three-Way Channels
    by L. Ong
    Proc. Int. Symp. Commun. Inf. Technol. (ISCIT), Gold Coast, Australia, oct 2012
  39. The Finite Field Multi-Way Relay Channel with Correlated Sources: Beyond Three Users
    by L. Ong, R. Timo, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Cambridge, USA, jul 2012
  40. The Capacity Region of Restricted Multi-Way Relay Channels with Deterministic Uplinks
    by L. Ong, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Cambridge, USA, jul 2012
  41. Optimal Index Codes for a Class of Multicast Networks with Receiver Side Information
    by L. Ong, and C. K. Ho
    Proc. IEEE Int. Conf. Commun. (ICC), Ottawa, Canada, jun 2012
  42. The Finite Field Multi-Way Relay Channel with Correlated Sources: The Three-User Case
    by L. Ong, R. Timo, G. Lechner, S. J. Johnson, and C. M. Kellett
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Saint Petersburg, Russia, jul 2011
  43. On Achievable Rate Regions of the Asymmetric AWGN Two-Way Relay Channel
    by L. Ong, C. M. Kellett, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Saint Petersburg, Russia, jul 2011
  44. Sparse Graph Codes for the Two-Way Relay Network with Correlated Sources
    by G. Lechner, R. Timo, and L. Ong
    Proc. Data Compression Conf. (DCC), Snowbird, USA, mar 2011
  45. The Two-Way Relay Network with Arbitrarily Correlated Sources and an Orthogonal MAC
    by R. Timo, L. Ong, and G. Lechner
    Proc. Data Compression Conf. (DCC)), Snowbird, USA, mar 2011
  46. Functional-Decode-Forward for the General Discrete Memoryless Two-Way Relay Channel
    by L. Ong, C. M. Kellett, and S. J. Johnson
    Proc. IEEE Int. Conf. Commun. Syst. (ICCS), Singapore, nov 2010
  47. The Capacity of a Class of Multi-Way Relay Channels
    by L. Ong, S. J. Johnson, and C. M. Kellett
    Proc. IEEE Int. Conf. Commun. Syst. (ICCS), Singapore, nov 2010
  48. Capacity Theorems for the AWGN Multi-Way Relay Channel
    by L. Ong, C. M. Kellett, and S. J. Johnson
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Austin, USA, jun 2010
  49. The Binary-Symmetric Parallel-Relay Network
    by L. Ong, S. J. Johnson, and C. M. Kellett
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Austin, USA, jun 2010
  50. Achievable Rate Regions of the Butterfly Network with Noisy Links and End-to-End Error Correction
    by L. Ong, S. J. Johnson, and C. M. Kellett
    Proc. IEEE Inf. Theory Workshop (ITW), Taormina, Italy, oct 2009
  51. Transmission Schedule Optimization for Half-Duplex Multiple-Relay Networks
    by W. Wang, L. Ong, and M. Motani
    Proc. Symp. Model. Optim. Mob. Ad Hoc Wirel. Netw. (WiOpt), Seoul, South Korea, jun 2009
  52. Optimal Schedules for the D-node Half Duplex Phase Fading MRC
    by L. Ong, S. J. Johnson, and M. Motani
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Seoul, South Korea, jun 2009
  53. Achievable Rates and Schedules for Half Duplex Phase Fading Multiple-Relay Networks
    by L. Ong, W. Wang, and M. Motani
    Proc. Int. Symp. Inf. Theory Appl. (ISITA), Auckland, New Zealand, dec 2008
  54. Achievable Rates and Optimal Schedules for Half Duplex Multiple-Relay Networks
    by L. Ong, W. Wang, and M. Motani
    Proc. Allerton Conf. Commun. Control Comput. (Allerton), Monticello, USA, sep 2008
  55. Optimal Routing for Decode-and-Forward based Cooperation in Wireless Networks
    by L. Ong, and M. Motani
    Proc. IEEE Commun. Soc. Conf. Sens. Ad Hoc Commun. Netw. (SECON), San Diego, USA, jun 2007
  56. Optimal Routing for the Gaussian Multiple-Relay Channel with Decode-and-Forward
    by L. Ong, and M. Motani
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Nice, France, jun 2007
  57. The Multiple Access Channel with Feedback and Correlated Sources
    by L. Ong, and M. Motani
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Seattle, USA, jul 2006
  58. The Capacity of the Single Source Multiple Relay Single Destination Mesh Network
    by L. Ong, and M. Motani
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Seattle, USA, jul 2006
  59. Myopic Coding in Multiple Relay Channels
    by L. Ong, and M. Motani
    Proc. IEEE Int. Symp. Inf. Theory (ISIT), Adelaide, Australia, sep 2005
  60. Achievable Rates for the Multiple Access Channels with Feedback and Correlated Sources
    by L. Ong, and M. Motani
    Proc. Allerton Conf. Commun. Control Comput. (Allerton), Monticello, USA, sep 2005
  61. Myopic Coding in Wireless Networks
    by L. Ong, and M. Motani
    Proc. Conf. Inf. Sci. Syst. (CISS), Baltimore, USA, mar 2005


invited talks

1.Shades of Index Coding** by L. Ong
at the Australian Communications Theory Workshop (AusCTW 2023)

  1. Pliable Communications
    by L. Ong
    at the Australian Communications Theory Workshop (AusCTW 2020) Webminar, Oct. 9, 2020
  2. Index Coding – What to Do After Caching?
    by L. Ong
    at National University of Singapore, Dec. 10, 2018.
  3. Information-Theoretic Security via Side Information
    by L. Ong
    at the Australian Communications Theory Workshop, Canberra, Australia, Jan. 18, 2017
  4. Index coding – improving broadcast rates using side information
    by L. Ong
    at the Celebration of Shannon’s 100th Birthday, University of Technology Sydney, Australia, Apr. 29, 2016
  5. Linear Index Codes are Optimal Up to Five Nodes
    by L. Ong
    at Workshop at BIRS: Between Shannon and Hamming: Network Information Theory and Combinatorics (15w5130), Banff, Canada, Mar. 3, 2015 [slides]
  6. Functional-Decode-Forward for Multi-Way Relay Channels
    by L. Ong
    at Institute for Infocomm Research (I2R), Singapore, Nov. 23, 2010
    (sponsored by IEEE Vehicular Technology Society (VTS) Chapter, Singapore Section)
  7. Functional-Decode-Forward for Multi-Way Relay Channels
    by L. Ong
    at Institute for Telecommunications Research (ITR), Adelaide, Australia, Aug. 17, 2010
  8. Coding Strategies for Relay Networks
    by L. Ong
    at the Australian Communications Theory Workshop, Canberra, Australia, Feb. 4, 2010


theses

  1. Cooperative Coding and Routing in Multiple-Terminal Wireless Networks
    by L. Ong
    PhD Thesis, National University of Singapore, Singapore, dec 2007
  2. An Investigation of an Agent-Based Scheduling in Decentralised Manufacturing Control
    by L. Ong
    MPhil Thesis, University of Cambridge, UK, aug 2003
  3. Simulation Study of Adaptive Filters for Receiver Design on Fading
    by L. Ong
    BEng Thesis, National University of Singapore, Singapore, jul 2001