Alex Stephenne

Publication Activity (10 Years)

Years Active: 1994-2017
Publications (10 Years): 22

Top Topics

Maximum Likelihood

Context Aware Services

Top Venues

IEEE Trans. Commun.

Publications

Imene Trigui, Nesrine Cherif, Sofiène Affes, Xianbin Wang, Victor C. M. Leung, Alex Stephenne
Interference-limited mixed Málaga-M and generalized-K dual-hop FSO/RF systems. PIMRC (2017)
Imen Mrissa, Faouzi Bellili, Sofiène Affes, Alex Stephenne
A cognitive MIMO transceiver for enhanced 4G and beyond link-level throughput. PIMRC (2017)
Faouzi Bellili, Achref Methenni, Souheib Ben Amor, Sofiène Affes, Alex Stephenne
Time Synchronization of Turbo-Coded Square-QAM-Modulated Transmissions: Code-Aided ML Estimator and Closed-Form Cramér-Rao Lower Bounds. IEEE Trans. Veh. Technol. 66 (12) (2017)
Faouzi Bellili, Chaima Elguet, Souheib Ben Amor, Sofiène Affes, Alex Stephenne
Code-Aided DOA Estimation From Turbo-Coded QAM Transmissions: Analytical CRLBs and Maximum Likelihood Estimator. IEEE Trans. Wirel. Commun. 16 (5) (2017)
Imen Mrissa, Faouzi Bellili, Sofiène Affes, Alex Stephenne
A context-aware cognitive SIMO transceiver for enhanced throughput on the downlink of LTE HetNet. Wirel. Commun. Mob. Comput. 16 (11) (2016)
Imene Trigui, Sofiène Affes, Alex Stephenne
Capacity Scaling Laws in Interference-Limited Multiple-Antenna AF Relay Networks With User Scheduling. IEEE Trans. Commun. 64 (8) (2016)
Raouia Nasri, Sofiène Affes, Alex Stephenne
MUCICA: A novel interference mitigation concept for HetNets - Application to the LTE downlink. CSCN (2016)
Imene Trigui, Sofiène Affes, Alex Stephenne
Large scale opportunistic antenna and user selection in AF relay networks with interference. WCNC (2016)
Faouzi Bellili, Achref Methenni, Souheib Ben Amor, Sofiène Affes, Alex Stephenne
Time Synchronization of Turbo-Coded Square-QAM-Modulated Transmissions: Code-Aided ML Estimator and Closed-Form Cramér-Rao Lower Bounds. CoRR (2015)
Imene Trigui, Imen Mechmeche, Sofiène Affes, Alex Stephenne
Opportunistic Scheduling in Downlink Multiple-Antenna AF Interfered Networks. ICUWB (2015)
Faouzi Bellili, Chaima Elguet, Souheib Ben Amor, Sofiène Affes, Alex Stephenne
Closed-form Cramer-Rao lower bounds for DOA estimation from turbo-coded square-QAM-modulated transmissions. ICASSP (2015)
Imen Mrissa, Faouzi Bellili, Sofiène Affes, Alex Stephenne
A Context-Aware Cognitive SIMO DL Transceiver for LTE HetNet Power Efficiency and Throughput Enhancement. ICUWB (2015)
Imen Mrissa, Faouzi Bellili, Sofiène Affes, Alex Stephenne
A context-aware cognitive SIMO transceiver for increased LTE-HetNet system-level DL-throughput. IWCMC (2015)
Raouia Nasri, Sofiène Affes, Alex Stephenne
Combined Interference Cancellation and Avoidance over the Downlink of Spectrum-Sharing LTE HetNet. ICUWB (2015)
Imen Mrissa, Faouzi Bellili, Sofiène Affes, Alex Stephenne
A Context-Aware Cognitive SIMO DL Transceiver for LTE HetNet Enhanced Pico-Cell Range Expansion. ICUWB (2015)
Imen Mrissa, Faouzi Bellili, Sofiène Affes, Alex Stephenne
Context-Aware Cognitive SIMO Transceiver for Increased LTE-Downlink Link-Level Throughput. ICUWB (2015)
Imene Trigui, Imen Mechmeche, Sofiène Affes, Alex Stephenne
Multi-antenna cognitive AF relay systems with multiple primary receivers. ICC (2015)
Philippe Leroux, Aaron Callard, Ngoc-Dung Dào, Alex Stephenne
5G access-link provisioning and coordination: Tradeoff between proactive and reactive strategies. WCNC (2015)
Imene Trigui, Sofiène Affes, Alex Stephenne
Ergodic Capacity of Two-Hop Multiple Antenna AF Systems With Co-Channel Interference. IEEE Wirel. Commun. Lett. 4 (1) (2015)
Faouzi Bellili, Rabii Meftehi, Sofiène Affes, Alex Stephenne
Maximum Likelihood SNR Estimation of Linearly-Modulated Signals Over Time-Varying Flat-Fading SIMO Channels. IEEE Trans. Signal Process. 63 (2) (2015)
Imene Trigui, Sofiène Affes, Alex Stephenne
MIMO relaying with interference via the CMGF transform. ICC (2015)
Faouzi Bellili, Achref Methenni, Souheib Ben Amor, Sofiène Affes, Alex Stephenne
Code-Aided Time Synchronization of Turbo-Coded Square-QAM-Modulated Transmissions: Closed-Form Cramer-Rao Lower Bounds. GLOBECOM (2015)
Imene Trigui, Imen Mechmeche, Sofiène Affes, Alex Stephenne
Capacity and Error Rate Analysis of Cognitive MIMO AF Relaying Systems. IEEE Wirel. Commun. Lett. 3 (6) (2014)
Faouzi Bellili, Rabii Meftehi, Sofiène Affes, Alex Stephenne
Maximum Likelihood SNR Estimation of Linearly-Modulated Signals over Time-Varying Flat-Fading SIMO Channels. CoRR (2014)
Faouzi Bellili, Rabii Meftehi, Sofiène Affes, Alex Stephenne
Maximum likelihood SNR estimation over time-varying flat-fading SIMO channels. ICASSP (2014)
Imene Trigui, Sofiène Affes, Alex Stephenne
Analysis of relay capacity over generalized fading channels with cochannel interference. WCNC (2014)
Imene Trigui, Sofiène Affes, Alex Stephenne
Capacity of cognitive AF relay networks with multiple primary receivers. WCNC (2014)
Ahmed Masmoudi, Faouzi Bellili, Sofiène Affes, Alex Stephenne
A Maximum Likelihood Time Delay Estimator in a Multipath Environment Using Importance Sampling. IEEE Trans. Signal Process. 61 (1) (2013)
Imene Trigui, Sofiène Affes, Alex Stephenne
Ergodic Capacity Analysis for Interference-Limited AF Multi-Hop Relaying Channels in Nakagami-m Fading. IEEE Trans. Commun. 61 (7) (2013)
Imene Trigui, Sofiène Affes, Alex Stephenne
On the Ergodic Capacity of Amplify-and-Forward Relay Channels with Interference in Nakagami-m Fading. IEEE Trans. Commun. 61 (8) (2013)
Imene Trigui, Sofiène Affes, Alex Stephenne
Exact Error Analysis of Dual-Hop Fixed-Gain AF Relaying over Arbitrary Nakagami-m Fading. VTC Fall (2012)
Imene Trigui, Amine Laourine, Sofiène Affes, Alex Stephenne
The Inverse Gaussian Distribution in Wireless Channels: Second-Order Statistics and Channel Capacity. IEEE Trans. Commun. 60 (11) (2012)
Faouzi Bellili, Achref Methenni, Sofiène Affes, Alex Stephenne
Stochastic NDA CRLB for DOA Estimation over SIMO Systems. VTC Spring (2012)
Ahmed Masmoudi, Faouzi Bellili, Sofiène Affes, Alex Stephenne
A Maximum Likelihood Time Delay Estimator Using Importance Sampling. GLOBECOM (2011)
Imene Trigui, Sofiène Affes, Alex Stephenne
Closed-Form Error Analysis of Variable-Gain Multihop Systems in Nakagami-m Fading Channels. IEEE Trans. Commun. 59 (8) (2011)
Ahmed Masmoudi, Faouzi Bellili, Sofiène Affes, Alex Stephenne
Closed-Form Expression for the Exact Cramer-Rao Bound of Timing Recovery Estimators from MSK Transmissions. VTC Spring (2011)
Faouzi Bellili, Sonia Ben Hassen, Sofiène Affes, Alex Stephenne
Cramer-Rao Lower Bounds of DOA Estimates from Square QAM-Modulated Signals. IEEE Trans. Commun. 59 (6) (2011)
Inès Bousnina, Alex Stephenne, Sofiène Affes, Abdelaziz Samet
A new low-complexity angular spread estimator in the presence of line-of-sight with angular distribution selection. EURASIP J. Adv. Signal Process. 2011 (2011)
Ahmed Masmoudi, Faouzi Bellili, Sofiène Affes, Alex Stephenne
Closed-Form Expressions for the Exact Cramer-Rao Bounds of Timing Recovery Estimators from BPSK and Square-QAM Transmissions. ICC (2011)
Ahmed Masmoudi, Faouzi Bellili, Sofiène Affes, Alex Stephenne
A Non-Data-Aided Maximum Likelihood Time Delay Estimator Using Importance Sampling. IEEE Trans. Signal Process. 59 (10) (2011)
Ahmed Masmoudi, Faouzi Bellili, Sofiène Affes, Alex Stephenne
Closed-Form Expressions for the Exact Cramér-Rao Bounds of Timing Recovery Estimators From BPSK, MSK and Square-QAM Transmissions. IEEE Trans. Signal Process. 59 (6) (2011)
Ahmed Masmoudi, Faouzi Bellili, Sofiène Affes, Alex Stephenne
A new importance-sampling-based non-data-aided maximum likelihood time delay estimator. WCNC (2011)
Faouzi Bellili, Sofiène Affes, Alex Stephenne
Second-order moment-based direction finding of a single source for ULA systems. PIMRC (2011)
Faouzi Bellili, Sofiène Affes, Alex Stephenne
DOA Estimation for ULA Systems from Short Data Snapshots: An Annihilating Filter Approach. GLOBECOM (2011)
Mohamed Ali Boujelben, Faouzi Bellili, Sofiène Affes, Alex Stephenne
SNR Estimation Over SIMO Channels From Linearly Modulated Signals. IEEE Trans. Signal Process. 58 (12) (2010)
Imene Trigui, Sofiène Affes, Alex Stephenne
A Useful Integral for Wireless Communication Theory and Its Application in Amplify-And-Forward Multihop Relaying. GLOBECOM (2010)
Alex Stephenne, Faouzi Bellili, Sofiène Affes
Moment-based SNR estimation over linearly-modulated wireless SIMO channels. IEEE Trans. Wirel. Commun. 9 (2) (2010)
Imene Trigui, Sofiène Affes, Alex Stephenne
Closed-Form Error Analysis of Dual-Hop Relaying Systems over Nakagami-m Fading Channels. WCNC (2010)
Faouzi Bellili, Alex Stephenne, Sofiène Affes
Cramer-Rao Lower Bounds for NDA SNR Estimates of Square QAM Modulated Transmissions. IEEE Trans. Commun. 58 (11) (2010)
Faouzi Bellili, Nesrine Atitallah, Sofiène Affes, Alex Stephenne
Cramér-Rao lower bounds for frequency and phase NDA estimation from arbitrary square QAM-modulated signals. IEEE Trans. Signal Process. 58 (9) (2010)
Faouzi Bellili, Alex Stephenne, Sofiène Affes
Cramér-rao lower bounds for subcarrier SNR estimates over multicarrier channels. IEEE Trans. Signal Process. 58 (2) (2010)
Imene Trigui, Sofiène Affes, Alex Stephenne
On the Performance of Dual-Hop Fixed Gain Relaying Systems over Composite Multipath/Shadowing Channels. VTC Fall (2010)
Mohamed Ali Boujelben, Faouzi Bellili, Sofiène Affes, Alex Stephenne
EM Algorithm for Non-Data-Aided SNR Estimation of Linearly-Modulated Signals over SIMO Channels. GLOBECOM (2009)
Imene Trigui, Amine Laourine, Sofiène Affes, Alex Stephenne
On the Performance of Cascaded Generalized K Fading Channels. GLOBECOM (2009)
Amine Laourine, Alex Stephenne, Sofiène Affes
On the capacity of log-normal fading channels. IEEE Trans. Commun. 57 (6) (2009)
Faouzi Bellili, Alex Stephenne, Sofiène Affes
Cramér-Rao Bounds for SNR Estimates in Multicarrier Transmissions. VTC Spring (2009)
Imene Trigui, Amine Laourine, Sofiène Affes, Alex Stephenne
Outage analysis of wireless systems over composite fading/shadowing channels with co-channel interference. WCNC (2009)
Faouzi Bellili, Alex Stephenne, Sofiène Affes
Cramér-Rao bound for NDA SNR estimates of square QAM modulated signals. WCNC (2009)
Faouzi Bellili, Sonia Ben Hassen, Sofiène Affes, Alex Stephenne
Cramer-Rao Bound for NDA DOA Estimates of Square QAM-Modulated Signals. GLOBECOM (2009)
Amine Laourine, Mohamed-Slim Alouini, Sofiène Affes, Alex Stephenne
On the performance analysis of composite multipath/shadowing channels using the G-distribution. IEEE Trans. Commun. 57 (4) (2009)
Imene Trigui, Amine Laourine, Sofiène Affes, Alex Stephenne
Performance analysis of mobile radio systems over composite fading/shadowing channels with co-located interference. IEEE Trans. Wirel. Commun. 8 (7) (2009)
Faouzi Bellili, Nesrine Atitallah, Sofiène Affes, Alex Stephenne
Closed-Form Expressions for the Exact Cramer-Rao Bound for Parameter Estimation of Arbitrary Square QAM-Modulated Signals. GLOBECOM (2009)
Imene Trigui, Amine Laourine, Sofiène Affes, Alex Stephenne
Onthe Level Crossing Rate and Average Fade Duration of Composite Multipath/Shadowing Channels. GLOBECOM (2008)
Amine Laourine, Mohamed-Slim Alouini, Sofiène Affes, Alex Stephenne
On the Performance Analysis of Composite Multipath/Shadowing Channels Using the G-Distribution. ICC (2008)
Amine Laourine, Mohamed-Slim Alouini, Sofiène Affes, Alex Stephenne
On the capacity of generalized-k fading channels. IEEE Trans. Wirel. Commun. 7 (7) (2008)
Raouia Nasri, Abla Kammoun, Alex Stephenne, Sofiène Affes
System-Level Evaluation of a Downlink OFDM Kalman-Based Switched-Beam System with Subcarrier Allocation Strategies. VTC Fall (2008)
Faouzi Bellili, Alex Stephenne, Sofiène Affes
SNR estimation of QAM-modulated transmissions over time-varying SIMO channels. ISWCS (2008)
Inès Bousnina, Alex Stephenne, Sofiène Affes, Abdelaziz Samet
Performance of a New Low-Complexity Angular Spread Estimator in the Presence of Line-of-Sight. WCNC (2008)
Imene Trigui, Mohamed Siala, Sofiène Affes, Alex Stephenne, Hatem Boujemaa
Optimum Pulse Shaping for OFDM/BFDM Systems Operating in Time Varying Multi-Path Channels. GLOBECOM (2007)
Amine Laourine, Mohamed-Slim Alouini, Sofiène Affes, Alex Stephenne
On the Capacity of Generalized-K Fading Channels. GLOBECOM (2007)
Amine Laourine, Alex Stephenne, Sofiène Affes
Estimating the Ergodic Capacity of Log-Normal Channels. IEEE Commun. Lett. 11 (7) (2007)
Mohammed Bakkali, Alex Stephenne, Sofiène Affes
Generalized Moment-Based Method for SNR Estimation. WCNC (2007)
Amine Laourine, Alex Stephenne, Sofiène Affes
A New OFDM Synchronization Symbol for Carrier Frequency Offset Estimation. IEEE Signal Process. Lett. 14 (5) (2007)
Amine Laourine, Alex Stephenne, Sofiène Affes
Capacity of log-normal fading channels. IWCMC (2007)
Mohammed Bakkali, Alex Stephenne, Sofiène Affes
Iterative SNR Estimation for MPSK Modulation Over AWGN Channels. VTC Fall (2006)
Youssef Semlani, Alex Stephenne, Sofiène Affes
A Downlink OFDM Switched-Beam Scheme with Joint Channel Estimation and Beam Selection Based on Kalman Filtering. ICC (2006)
Amine Laourine, Alex Stephenne, Sofiène Affes
Joint Carrier and Sampling Frequency Offset Estimation Based on Harmonic Retrieval. VTC Fall (2006)
Alex Stephenne, Benoît Champagne
Effective multi-path vector channel simulator for antenna array systems. IEEE Trans. Veh. Technol. 49 (6) (2000)
Alex Stephenne, Benoît Champagne
Convergence properties of blind algorithms for base station CDMA receivers. ICASSP (1998)
Alex Stephenne, Benoît Champagne
A new cepstral prefiltering technique for estimating time delay under reverberant conditions. Signal Process. 59 (3) (1997)
Alex Stephenne, Benoît Champagne
A new multi-path vector channel simulator for the performance evaluation of antenna array systems. PIMRC (1997)
Benoît Champagne, Stéphane Bédard, Alex Stephenne
Performance of time-delay estimation in the presence of room reverberation. IEEE Trans. Speech Audio Process. 4 (2) (1996)
Alex Stephenne, Benoît Champagne
Cepstral prefiltering for time delay estimation in reverberant environments. ICASSP (1995)
Stéphane Bédard, Benoît Champagne, Alex Stephenne
Effects of room reverberation on time-delay estimation performance. ICASSP (2) (1994)