Prof. Erwu Liu's Website

Research Interests

  • The Internet of Things (IoT), Ad-hoc/sensor Networks
  • Cellular, WiMAX, Wireless Multi-hop Backhaul, and Wireless Mesh Networks
  • Stochastic Geometry, Percolation Theory, Complex Networks
  • Network Utility Maximization, Scheduling for Real-time Services
  • MAC Scheduling, Random Access Schemes, Cooperative Routing, Cross-Layer Design
  • Mathematical Analysis, OPNET-based Simulation
  • Capacity Optimisation Techniques for Ad-Hoc Networks
  • Proportional Fairness, Delay-aware Scheduling, Cooperative Transmission, Cognitive Networks
  • Queueing Theory, Probabilities and Statistics

Professional Activities

Publications

  • Optics Express (IF: 3.88)
  • IEEE Transactions on Mobile Computing (IF: 3.35)
  • IEEE Transactions on Wireless Communications (IF: 2.1)
  • IEEE Communications Letters (IF: 1.23)
  • IET Electronics Letters (IF: 1.14)
  • QShine, IEEE SECON/WiMesh, IEEE ICC/Globecom/PIMRC/WCNC/VTC, etc.

     PAPERS (50+)
  1. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Relay-Assisted Transmission with Fairness Constraint for Cellular Networks," IEEE Transactions on Mobile Computing,vol. 11, no. 2, pp. 230-239, February 2012.
  2. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Asymptotic Analysis of Proportionally Fair Scheduling in Rayleigh Fading," IEEE Transactions on Wireless Communications, vol. 10, no. 6, pp. 1764-1775, June 2011.
  3. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Clique-based Utility Maximization in Wireless Mesh Networks," IEEE Transactions on Wireless Communications, vol. 10, no. 3, pp. 948-957, March 2011.
  4. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Connectivity in Selfish, Cooperative Networks," IEEE Communications Letters, vol.14, no.10, pp. 936-938, October 2010.
  5. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Expected Throughput of the Proportional Fair Scheduling over Rayleigh Fading Channels," IEEE Communications Letters, vol.14, no.6, pp.515-517, June 2010.
  6. Erwu Liu, and Kin K. Leung, "Throughput of Proportional Fair Scheduling over Rayleigh Fading Channels," Electronics Letters, vol.45, no.23, pp.1180-1182, November 2009.
  7. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Proportionally Fair Selective Cooperation for Cellular Networks: Algorithm, Simulation and Analysis," QSHINE 2010, pp.1-14, November 2010.                                                                                                                                                      invited paper. 
  8. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Residual Energy-Aware Cooperative Transmission (REACT) in Wireless Networks," IEEE WOCC 2010, pp.1-6, May 2010. 
  9. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "An Upper Bound of Node Density in Cooperative Networks with Selfish Behaviour," IEEE ICC 2010, pp.1-6, May 2010. 
  10. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Clique-Based Utility Maximization in Wireless Mesh Networks-Algorithm, Simulation, and Mathematical Analysis," IEEE SECON Workshops 2009, pp.1-6, June 2009.                                                                                                     invited paper. 
  11. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Theoretical Analysis of Selective Relaying, Cooperative Multi-Hop Networks with Fairness Constraints," IEEE ICC 2009, pp.1-6, June 2009. 
  12. Erwu Liu, Qinqing Zhang, and Kin K. Leung, "Resource Allocation for Frequency-Selective Fading, Multi-Carrier Systems with Fairness Constraints," IEEE ICC 2009, pp.1-6, June 2009. 
  13. Erwu Liu, and Kin K. Leung, "Fair Resource Allocation under Rayleigh and/or Rician Fading Environments," IEEE PIMRC 2008, pp.1-5, September 2008. 
  14. Erwu Liu, and Kin K. Leung, "On Proportional Fair Scheduling in Multi-Antenna Wireless Mesh Networks—Theoretical Analysis," IEEE GLOBECOM 2008, pp. 168-172, November 2008. 
  15. Erwu Liu, and Kin K. Leung, "Proportional Fair Scheduling: Analytical Insight under Rayleigh Fading Environment," IEEE WCNC 2008, pp. 1883-1888, March 2008. 
and more ... 

     PATENTS (30+)
  1. THE METHOD AND DEVICE FOR ESTABLISHING COMMUNICATION BETWEEN THE MS AND THE BS IN THE MULTI-HOP RELAY NETWORK, WO2008034349.
  2. A METHOD FOR CONTROLLING SIGNAL TRANSMITTING IN A NETWORK EQUIPMENT WHICH IS USED IN A MULTI-CHANNEL AND MULTI-HOP RELAY WIRELESS NETWORK, WO2008034350. 
  3. ACCESS METHOD, RELAY STATION, BASE STATION AND SYSTEM IN WIRELESS MULTI-HOP RELAY ACCESS NETWORK, WO2007128229. 
  4. METHOD AND DEVICE FOR SETTING UP CONNECTION BETWEEN MOBILE STATION AND BASE STATION IN MULTI-HOP RELAY NETWORK, US2009310515. 
  5. METHOD AND BASE STATION FOR BANDWIDTH ALLOCATION IN WIRELESS SINGLE-HOP SELF-BACKHAUL NETWORKS, US2007110004. 
  6. WIRELESS ACCESS CONTROL METHOD, RELAY STATION AND BASE STATION, US2007110016. 
  7. THE METHOD AND DEVICE FOR ESTABLISHING COMMUNICATION BETWEEN THE MS AND THE BS IN THE MULTI-HOP RELAY NETWORK, EP2068459. 
  8. A SELF-ADAPTIVE JITTER BUFFER ADJUSTMENT METHOD FOR PACKET-SWITCHED NETWORK, EP1517466. 
  9. METHOD AND BASE STATION FOR BANDWIDTH ALLOCATION IN WIRELESS SINGLE-HOP SELF-BACKHAUL NETWORKS, EP1806935. 
  10. WIRELESS ACCESS CONTROL METHOD, RELAY STATION AND BASE STATION, EP1786144. 
  11. DRAHTLOSES ZUGRIFFSTEUERUNGSVERFAHREN, ÜBERBRÜCKUNGSSTATION UND BASISSTATION, AT438273. 
  12. 无线单跳自回传网络中用于带宽分配的方法和基站, ZL200510110322.2. 
  13. 一种无线多跳自回传网络基站及其带宽分配方法, ZL200610023718.8. 
  14. 多控多的智能型无线遥控装置及方法, ZL200410025514.9. 
  15. 一种分组交换网络自适应抖动缓冲区调整方法, ZL 03151016.7. 
and more ...

     STANDARDS CONTRIBUTIONS (9)
  1. QoS Control Scheme for data forwarding in 802.16j
    Alcatel-Lucent: Erwu Liu, Torsten Fahldieck, Dongyao Wang, et al.
    Nortel:                   Hang Zhang, Peiying Zhu, Mo-Han Fong, et al.
    US Army:             Ranga Reddy
    IEEE C802.16j-07/309
  2. MMR Network Data Forwarding and QoS Schema
    Alcatel-Lucent: Erwu Liu, Torsten Fahldieck, Dongyao Wang, et al.
    Nortel:                  G.Q. Wang, Wen Tong, Peiying Zhu, et al. 
    IEEE C802.16j-07/212
  3. MMR Network distributed tunnel connection management
    Alcatel-Lucent: Erwu Liu, Dongyao Wang, Torsten Fahldieck, et al.
    ITRI:                      Chie Ming Chou 
    Nortel:                  G.Q. Wang, Wen Tong, Peiying Zhu, et al. 
    IEEE C802.16j-07/211 
  4. MMR Network centralized tunnel connection management
    Alcatel-Lucent: Erwu Liu, Dongyao Wang, Torsten Fahldieck, et al.
    Nortel:                  G.Q. Wang, Wen Tong, Peiying Zhu, et al. 
    IEEE C802.16j-07/210 
  5. Transmission using Access RS station CID
    Alcatel-Lucent: Torsten Fahldieck, Erwu Liu, Dongyao Wang, et al.
    Nortel:                  Hang Zhang, Peiying Zhu, Mo-Han Fong, et al.
    Siemens:               Aik Chindapol, Jimmy Chui, Hui Zeng
    US Army:             Ranga Reddy
    IEEE C802.16j-07/195 
  6. Connection Management and Relay Path Configuration
    Alcatel-Lucent: Torsten Fahldieck, Erwu Liu, Dongyao Wang, et al.
    Huawei:                David Comstock, John Lee, Shang Zheng, et al.
    ITRI:                      Jen-Shun Yang, Tzu-Ming Lin, Wern-Ho Sheen, et al.
    KDDI:                     Kenji Saito, Takashi Inoue
    Nokia:                    Haihong Zheng, Yousuf Saifullah, Shashikant Maheshwari.
    Nortel:                  G.Q. Wang, Wen Tong
    Samsung:             Changkyoon Kim, Kyu Ha Lee, Hyung Kee Kim
    Siemens:               Aik Chindapol, Jimmy Chui, Hui Zeng, et al.
    IEEE C802.16j-07/241 
  7. An Framework for Multi-hop Path Management in MMR Networks
    Alcatel-Lucent: Erwu Liu, Torsten Fahldieck, Dongyao Wang, et al.
    IEEE C802.16j-07/161 
  8. Path and Connection Management in Multi-hop Relay System
    Alcatel-Lucent:  Torsten Fahldieck, Erwu Liu, Dongyao Wang, et al.
    Huawei:                 David Comstock, John Lee, Shang Zheng, and Aimin Zhang
    Nokia:                     Haihong Zheng, Yousuf Saifullah, and Shashikant Maheshwari.
    Nortel:                   G.Q Wang, Wen Tong, Peiying Zhu, et al.
    IEEE C802.16j-07/031 
  9. Multi-hop Path Management Framework in MMR Networks
    Alcatel-Lucent: Erwu Liu, Dongyao Wang, Jimin Liu, et al.
    IEEE C802.16j-06/293

 
 
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