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A Lossy Graph Model for Decoding Delay Reduction in Instantly Decodable Network Coding
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
In this paper, we study the broadcast decoding delay performance of generalized instantly decodable network coding (G-IDNC) in the lossy feedback scenario. The problem is formulate…
On the Capacity of Multiple Access and Broadcast Fading Channels with Full Channel State Information at Low SNR
Zouheir Rezki, Mohamed-Slim Alouini
We study the throughput capacity region of the Gaussian multi-access (MAC) fading channel with perfect channel state information (CSI) at the receiver and at the transmitters, at l…
Energy-Efficient Cooperative Protocols for Full-Duplex Relay Channels
Mohammad Khafagy, Amr Ismail, Mohamed-Slim Alouini +1
In this work, energy-efficient cooperative protocols are studied for full-duplex relaying (FDR) with loopback interference. In these protocols, relay assistance is only sought unde…
Optimal Transmit Power Allocation for MIMO Two-Way Cognitive Relay Networks with Multiple Relays
Ahmad Alsharoa, Hakim Ghazzai, Mohamed-Slim Alouini
In this letter, we consider a multiple-input multiple-output two-way cognitive radio system under a spectrum sharing scenario, where primary and secondary users operate on the same…
Delay Minimization for Instantly Decodable Network Coding in Persistent Channels with Feedback Intermittence
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
In this paper, we consider the problem of minimizing the multicast decoding delay of generalized instantly decodable network coding (G-IDNC) over persistent forward and feedback er…
Partially Blind Instantly Decodable Network Codes for Lossy Feedback Environment
Sameh Sorour, Ahmed Douik, Shahrokh Valaee +2
In this paper, we study the multicast completion and decoding delay minimization problems of instantly decodable network coding (IDNC) in the case of lossy feedback. In such enviro…
Compression and Combining Based on Channel Shortening and Rank Reduction Techniques for Cooperative Wireless Sensor Networks
Qasim Zeeshan Ahmed, Ki-Hong Park, Mohamed-Slim Alouini +1
This paper investigates and compares the performance of wireless sensor networks where sensors operate on the principles of cooperative communications. We consider a scenario where…
Performance of Opportunistic Fixed Gain Bidirectional Relaying With Outdated CSI
Fahd Ahmed Khan, Kamel Tourki, Mohamed-Slim Alouini +1
This paper studies the impact of using outdated channel state information for relay selection on the performance of a network where two sources communicate with each other via fixe…
On the Effect of Correlated Measurements on the Performance of Distributed Estimation
Mohammed F. A. Ahmed, Tareq Y. Al-Naffouri, Mohamed-Slim Alouini
We address the distributed estimation of an unknown scalar parameter in Wireless Sensor Networks (WSNs). Sensor nodes transmit their noisy observations over multiple access channel…
Relay Selection and Resource Allocation for Two Way DF-AF Cognitive Radio Networks
Ahmad Alsharoa, Faouzi Bader, Mohamed-Slim Alouini
In this letter, the problem of optimal resource power allocation and relay selection for two way relaying cognitive radio networks using half duplex Decode and Forward (DF) and Amp…
Impact of Pointing Errors on the Performance of Mixed RF/FSO Dual-Hop Transmission Systems
Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini
In this work, the performance analysis of a dual-hop relay transmission system composed of asymmetric radio-frequency (RF)/free-space optical (FSO) links with pointing errors is pr…
Efficient Incremental Relaying
Muhammad Mehboob Fareed, Mohamed-Slim Alouini
We propose a novel relaying scheme which improves the spectral efficiency of cooperative diversity systems by utilizing limited feedback from destination. Our scheme capitalizes on…
On the Low SNR Capacity of Maximum Ratio Combining over Rician Fading Channels with Full Channel State Information
Fatma Benkhelifa, Zouheir Rezki, Mohamed-Slim Alouini
In this letter, we study the ergodic capacity of a maximum ratio combining (MRC) Rician fading channel with full channel state information (CSI) at the transmitter and at the recei…