1. Ahmed Medra and Tim Davidson," Flexible Codebook Design for Limited Feedback Systems via Sequential Smooth Optimization on the Grassmannian Manifold", IEEE transactions in Signal Processing, March 2014. Download  here.

 

2. Ahmed Medra and Tim Davidson, " Incremental Grassmannian Feedback Schemes For Multi-User MIMO Systems",   IEEE Transactions on Signal Processing, March 2015. Download here

 

3. Ahmed Medra and Tim Davidson,” Spatial Reuse Precoding for MIMO Downlink Networks”, submitted to IEEE Trans. on Signal Processing. Download here

 

4. Ahmed Medra and Tim Davidson, '' Fractional Spatial Reuse Precoding for MIMO Downlink Networks”,  submitted to IEEE International Conference on Acoustics Speech and Signal Processing, 2015. Download here

 

5. Ahmed Medra and Tim Davidson, " Widely Linear Interference Alignment Precoding",  IEEE international Workshop on Signal Processing Advances in Wireless Communications SPAWC,  June 2014. Download here

 

6.  Ahmed Medra and Tim Davidson, " Kronecker Structured Linear Precoding with Local Feedback for the 3-Cell Downlink", IEEE international Workshop on Signal Processing Advances in Wireless Communications SPAWC, June 2014. Download here

 

7. Ahmed Medra and Tim Davidson,” A Balanced Precoding Scheme for the Two-User SISO X Channel with Optimal DoF and a Small Power Offset”, Proc. of IEEE International Conference on Acoustics Speech and Signal Processing , May 2013. Download here

 

8. Ahmed Medra and Tim Davidson,” Achieving the Degrees of Freedom for the Two-Cell MIMO Interfering Broadcast Channel with Limited Feedback”, Proc. of  IEEE 14th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), June 2013. Download here

 

9. Ahmed Medra and Tim Davidson,” On the Achievability of the Degrees of Freedom for the Three-Cell MIMO Interfering Broadcast Channels with Minimum Spatial Dimensions”,  Proc. of 13th Canadian Workshop on Information Theory, June 2013. Download here

 

10. Ahmed Medra and Tim Davidson, '' An Incremental Grassmannian Feedback Scheme for Linearly Precoded Spatial Multiplexing MIMO Systems”, Proc. of IEEE International Conference on Acoustics Speech and Signal Processing, March 2012.  Download here

 

11. Ahmed Medra and Tim Davidson,” Flexible Codebook Design for Limited Feedback Downlink Systems via Smooth Optimization on the Grassmannian Manifold”, Proc. of IEEE 13th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), June 2012. Download here

 

12. Ahmed M.Medra and Hassan M. Elkamchouchi,'' Efficient Receiver Design for Frame Based MC-CDMA in Multipath Nakagami-m Fading Channel'', 26th National Radio Science Conference, NRSC’2009, Faculty of Engineering, Future Univ., Egypt, March 2009.

 

13. Ahmed M.Medra and Hassan M.Elkamchouchi.”Performance Comparison of MIMO Space –Time Block Coded MC-CDMA Systems in Nakagami-m Fading Channels “, 26th National Radio Science Conference, NRSC’2009, Faculty of Engineering, Future Univ., Egypt, March 2009.