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System Design and Standard Contribution to WiMAX Standard Committee

Title: 
System Design and Standard Contribution to WiMAX Standard Committee
Funding Agency: 
NTRA
Amount of Fund: 
1.6MLE
Start date: 
Fri, 01/02/2008
Team Members
Principal Investigator: 
Members From Department: 
Other Members: 

Eng. Alaa Awad, Full time RA
Eng Hazem Soliman, Part Time RA, and TA, Elec and comm dept., Faculty of Eng., Cairo Univ.

Eng Mai Hassan Part Time RA, and TA, Elec and comm dept., Faculty of Eng., Cairo Univ.


Project duration: 
3 and a half years
List of Specific Project Objectives: 

This project was the first R&D project funded by the NTRA. The project has the following objectives

  • Providing an example to follow by others universities. This model can help Egypt become eventually an internationally recognized hub for telecom R&D activities.
  • Enabling local engineers to work in state-of-the-art physical layer (PHY) technology. It also gives them exposure to a missing, yet critical, niche that would potentially command a premium in the global economy.
  • Providing invaluable training for the NTRA engineers in the WiMAX technology. This know-how can be of a great value for local service providers.
  • Helping build local knowledge in the area of OFDMA. The spread of this knowledge will help local carriers. As mentioned in the next section, OFDMA is the technology of choice for the 4G systems that are to come in the near future. 
  • Increase the exposure of Cairo University and the NTRA in the meetings. The development team will represent both organizations in the meetings.
  • Promote local dissemination of PHY technology and help open a window of opportunity for engineers under training to choose this particular career track.
  • Enabling the team, through attending the meetings, to build a network of connections that would potentially bring international exposure and recognition to the Egyptian Telecom community.
  • Facilitating publishing papers in prestigious journals and conferences and to file for patents.
Project deliverables: 

Thesis:

  • Khaled Elwazeer, VLSI implementation of OFDM channel Estimation, successfully defended in August 2009.
  • Hoda Hafez, Channel estimation and pilot design for MIMO systems, successfully defended in December 2010.
  • Mohamed El-Kashef, Interference Mitigation for Underlay Wireless CDMA Networks, successfully defended in June 2009.
  • Shereen Ahmed, Design of Incremental Redundancy Short Length LDPC Codes Based on Random Construction Technique, successfully defended in December 2009.
  • Sherif Abdelwahab, Joint Receive Antenna and User Scheduling using Low-Complexity Multiuser MIMO Breamforming, to be defended in April 2010.
  • Mohammed Nassar, Interference Mitigation Techniques for Multi-Cell Mutli-User MIMO Wireless Networks, successfully defended in June 2010.
  • Mahmoud Sobhy, Enegy-efficient Location-aware wireless cognitive relay networks, successfully defended in June 2010.
  • Sayed Ahmed, Channel Estimation for LTE Systems, successfully defended in September 2010.
  • Ahmed Ragab, Synchronization for LTE Systems, successfullydefended in September 2010. 
  • Ahmed Hareedy, Design and Implementation of Low Density Parity Check Codes, to be defended in September 2011.
  • Lobna Shalash, Design and Implementation of Wireless USB System, to be defended in September 2011.
  • Amr Hussien, Implementation of Convolutional Turbo Codes and Timing/Frequency Tracking for Mobile WiMAX, thesis defended successfully in September 2008.
  • May Abdelhakim, Adaptive modulation and coding for mobile WiMAX systems, thesis defended successfully in April 2009.
  • Mohamed Sayed Khairy, Implementation of Fixed Sphere Decoder for MIMO Systems with Application in WiMAX Systems, thesis defended successfully in January 2009.

 

Papers

  • Shereen Boghdady, Yasmine A. Fahmy and Madgi M. S. ElSoudani, “An Incremental Redundancy Short Length LDPC Codes Based on Random Construction Techniques,” submitted to International Conference on Telecommunications (ICT10)
  • Mahmoud Sobhy, Tamer Khattab, Mazen Hasna, Mohamed Abdallah, Mohamed Khairy, “Priority-based Scheduling for Limited Energy Cognitive Relaying,”  published at ICT 2010, Qatar.
  • Mahmoud Sobhy, Tamer Khattab, Mazen Hasna, Mohamed Abdallah, Mohamed Khairy, Energy Constrained Location-Aware Wireless Cognitive Relay Networks, submitted to IEEE Journal of Selected Topics in Signal Processing - Special Issue on Cognitive Cooperative Communications
  • Abdelmohsen Khater; Mohamed Khairy, and Serag E. -D Habib, “Efficient FPGA Implementation for the IEEE 802.16e Interleaver,” IEEE International conference on Microelectronics ICM09, December 2009, Marrakech, Morocco.
  • Khaled ElWazeer, Mohamed M. Khairy, Hossam A. H. Fahmy, and S. E.D. Habib, “FPGA Implementation of an Improved Channel Estimation Algorithm for Mobile WiMAX,” IEEE International conference on Microelectronics ICM09, December 2009, Marrakech, Morocco.
  • Ayman Elezabi, Mohamed El-Kashef, Mohamed Abdallah and Mohamed Khairy, “Cognitive Interference-Minimizing Code Assignment for Underlay CDMA Networks in Asynchronous Multipath Fading Channel” The 5th International Wireless Communications and Mobile Computing Conference (IWCMC), June 21- 24, 2009, Leipzig, Germany 2009.
  • Mohamed Abdallah, “Cooperative Beamforming for Information Relaying in Wireless Sensor Networks,” The 5th International Wireless Communications and Mobile Computing Conference (IWCMC), June 21- 24, 2009, Leipzig, Germany 2009.
  • Mai AbdelHakim, Mohammed Nafie, Ahmed Shalash, and Ayman Elezabi,“Adaptive Puncturing for Coded OFDMA,” IEEE ICC 2009 June 14 - 18 Dresden, Germany.
  • Mohamed S. Khairy, Mohamed Abdallah and Serag Habib “Efficient FPGA Implementation of MIMO Decoder for Mobile WiMaX System” IEEE ICC 2009 June 14 - 18 Dresden, Germany.
  • Mohamed El-Kashef, Mohamed Abdallah, Ayman Elezabi and Mohamed Khairy “System Parameter Selection for Asymmetric Underlay CDMA Networks with Interference-Minimizing Code Assignment,” Signal Processing Advances in Wireless Communications (SPAWC), Perugia, Itlay, June 21-24 2009.
  • Mahmoud S. El-Saadany, Ahmed F. Shalash, and Mohamed Abdallah “Revisiting Active Cancellation Carriers for Shaping the Spectrum of OFDM-based Cognitive Radios” 2009 IEEE Sarnoff Symposium Mar. 30, 31 & Apr. 1, 2009, Princeton, NJ, USA.
  • Ahmed Gomaa, Mohammed Nafie, Mohamed Abdallah “Novel Reliability-Based Hybrid ARQ Technique” IEEE GLOBAL COMMUNICATIONS CONFERENCE (IEEE GLOBECOM 2009), 30 November-4 December 2009, Hawaii, USA..
  • Ahmed Shalash, “An Automatic Gain Control Topology for CMOS Digital Radio Receiver,” IEEE International Symposium on Circuits and Systems (ISCAS), Taipei, Taiwan, May 24-27 2009.
  • Amr M. A. Hussein, Hossam A. H. Fahmy, Mohamed M. Khairy, “Efficient Hardware Implementation for 802.16e Double Binary Turbo Decoder”   the IEEE International Conference on Microelectronics (ICM08).

 

 

Contributions to WiMAX standards committe:

  • IEEE C802.16m-09/0008r3 “Changes to Section 20.2 in the SDD”
  • IEEE C802.16m-09/0513 “Proposed Text of MIMO for the IEEE 802.16m Amendment (MIMO Drafting group)”
  • IEEE C802.16m-08/004: Frame Structure for IEEE 802.16m with Multi- Antenna Support.
  • IEEE C802.16m-08/096r3: Frame Structure Comparison
  • IEEE C802.16m-08/156r1: OFDM vs. SC-FDE Literature Survey
  • IEEE C802.16m-08/179r1:Guard Band Reduction via overlapped Windowing
  • IEEE C802.16m-08/230 : SCvsOFDM Throughput
  • IEEE C802.16m-08/293r6: Uplink Pilot Structure for IEEE802.16m
  • IEEE C802.16m-08/293r6: Subchannelization for IEEE802.16m
  • IEEE C802.16m-08/539: Coding for IEEE802.16m
  • IEEE C802.16m-08/540r1: Zone Loading for IEEE802.16m
  • IEEE C802.16m-08/541r1: Incremental Redundancy
  • IEEE C802.16m-08/638r4:Collaborative uplink MIMO techniques for IEEE 802.16m
  • Proposed SDD text for Uplink Physical Structure
List of Procured Facilities: 

6 computers and 1 printer