Roshdy H. M. Hafez - researchr alias

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Viewing Publication 1 - 56 from 56

2021

A Fast Heuristic for Gateway Location in Wireless Backhaul of 5G Ultra-Dense NetworksMital Raithatha, Aizaz U. Chaudhry, Roshdy H. M. Hafez, John W. Chinneck. access, 9:43653-43674, 2021. [doi]

2020

Using Machine Learning to Locate Gateways in the Wireless Backhaul of 5G Ultra-Dense NetworksAizaz U. Chaudhry, Mital Raithatha, Roshdy H. M. Hafez, John W. Chinneck. isncc 2020: 1-5 [doi]

On Finding Hidden Relationship among Variables in WiFi using Machine LearningAizaz U. Chaudhry, Roshdy H. M. Hafez. iccnc 2020: 157-161 [doi]

On the Interference Range of Small Cells in the Wireless Backhaul of 5G Ultra-Dense NetworksAizaz U. Chaudhry, Namitha Jacob, Dils George, Roshdy H. M. Hafez. wts 2020: 1-6 [doi]

On Evaluating Independent Set Heuristics for Wireless Backhaul Network Capacity of 5G Ultra-Dense NetworksAizaz U. Chaudhry, Namitha Jacob, Dils George, Roshdy H. M. Hafez. isncc 2020: 1-6 [doi]

Locating Gateways for Maximizing Backhaul Network Capacity of 5G Ultra-Dense NetworksMital Raithatha, Aizaz U. Chaudhry, Roshdy H. M. Hafez, John W. Chinneck. wts 2020: 1-6 [doi]

2019

LMR and LTE for Public Safety in 700 MHz SpectrumAizaz U. Chaudhry, Roshdy H. M. Hafez. wicomm, 2019, 2019. [doi]

2016

Realistic interference-free channel assignment for dynamic wireless mesh networks using beamformingAizaz U. Chaudhry, Roshdy H. M. Hafez, John W. Chinneck. adhoc, 51:21-35, 2016. [doi]

Fast heuristics for the frequency channel assignment problem in multi-hop wireless networksAizaz U. Chaudhry, John W. Chinneck, Roshdy H. M. Hafez. eor, 251(3):771-782, 2016. [doi]

2015

2014

Significantly reducing the number of frequency channels required for wireless mesh networks using beamformingAizaz U. Chaudhry, Roshdy H. M. Hafez, John W. Chinneck. wcnc 2014: 1573-1578 [doi]

Adaptive coverage for high data rate LTE networksRami Sabouni, Roshdy H. M. Hafez, Marc St-Hilaire. iccnc 2014: 303-307 [doi]

2013

Channel Requirements for Interference-Free Wireless Mesh Networks to Achieve Maximum ThroughputAizaz U. Chaudhry, John W. Chinneck, Roshdy H. M. Hafez. icccn 2013: 1-7 [doi]

On the number of channels required for interference-free wireless mesh networksAizaz U. Chaudhry, John W. Chinneck, Roshdy H. M. Hafez. ejwcn, 2013:229, 2013. [doi]

2012

2011

Enhanced Topology-controlled interference-aware channel assignment for Multi-Radio Multi-Channel Wireless Mesh NetworksNazia Ahmad, Aizaz U. Chaudhry, Roshdy H. M. Hafez. wd 2011: 1-6 [doi]

MIMO two-way relay communication based on Alamouti codeRajab M. Legnain, Roshdy H. M. Hafez. ccece 2011: 470-474 [doi]

2010

2009

PROGRESSIVE: a topology discovery and scheduling protocol for wireless sensor networksAbdulaziz Barnawi, Roshdy H. M. Hafez. mswim 2009: 325-328 [doi]

A Time & Energy Efficient Topology Discovery and Scheduling Protocol for Wireless Sensor NetworksAbdulaziz Barnawi, Roshdy H. M. Hafez. cse 2009: 570-578 [doi]

Angle-of-Departure-Aided Opportunistic Space-Division Multiple AccessGhassan S. Dahman, Roshdy H. M. Hafez. cnsr 2009: 146-152 [doi]

2008

TDMA Scheduling for Data Gathering in Wireless Sensor NetworksAbdulaziz Barnawi, Roshdy H. M. Hafez. icwn 2008: 94-100

2007

Enhancement of WiMAX downlink data rate using SDMANadem Hussein Dawod, Roshdy H. M. Hafez. accessnets 2007: 1-4 [doi]

Scheduling schemes for multimedia service in wireless OFDM systemsHaiying Julie Zhu, Roshdy H. M. Hafez. wc, 14(5):99-105, 2007. [doi]

2006

Comparison of Expected Performance on B3G Spread Spectrum Mobile Radio Links at 1.9 and 5.8 GHz Based on Propagation MeasurementsRobert J. C. Bultitude, Min Han, Nikhil V. Adnani, Roshdy H. M. Hafez. vtc 2006: 1-4 [doi]

A Multiuser Zeroforcing System with Reduced Near-Far Problem and MIMO Channel CorrelationsNadem Hussein Dawod, Roshdy H. M. Hafez, Ian D. Marsland. ccece 2006: 936-939 [doi]

An Uplink SDMA System with Reduced Near-Far Problem and MIMO Channel CorrelationsNadem Hussein Dawod, Roshdy H. M. Hafez, Ian D. Marsland. vtc 2006: 1-5 [doi]

Improved transmit steering for MIMO-OFDM downlinks with distributed base station antenna arraysNadem Hussein Dawod, Ian D. Marsland, Roshdy H. M. Hafez. jsac, 24(3):419-426, 2006. [doi]

Performance of Scheduling Algorithms under Mobility for Multimedia Services in OFDM SystemsHaiying Julie Zhu, Roshdy H. M. Hafez. ieicet, 89-B(10):2670-2677, 2006. [doi]

Novel Scheduling Algorithms for Multimedia Service in OFDM Broadband Wireless SystemsHaiying Julie Zhu, Roshdy H. M. Hafez. icc 2006: 772-777 [doi]

2005

Comparative Performance of an Enhanced Downlink SDMA based MIMO-OFDM System with a TDMA based MIMO-OFDM SystemNadem Hussein Dawod, Roshdy H. M. Hafez, Ian D. Marsland. csa 2005: 32-35

2004

Broadband wireless accessRoshdy H. M. Hafez. apnoms 2004: 925 [doi]

Lifetime-Extended, Power-Aware, Non-position Base Localized Routing in Hybrid Ad-Hoc/Infrastructure NetworkXueqing Li, Roshdy H. M. Hafez. adhoc-now 2004: 312-317 [doi]

2000

Co-Channel and Adjacent Channel Interference in Wireless Cellular CommunicationsFaramarz Hendessi, Asrar U. H. Sheikh, Roshdy H. M. Hafez. wpc, 12(3):239-253, 2000. [doi]

1998

Adaptive Rate Controlled, Robust Video Communication over Packet Wireless NetworksRoshdy H. M. Hafez, G. R. Rajugopal. monet, 3(1):33-47, 1998.

Nonlinear power assignment in multimedia CDMA wireless networksP. R. Larijani, John W. Chinneck, Roshdy H. M. Hafez. icl, 2(9):251-253, 1998. [doi]

Two level access control strategy for multimedia CDMAP. R. Larijani, Roshdy H. M. Hafez, Ioannis Lambadaris. icc 1998: 487-492 [doi]

1997

Adaptive access control for multimedia traffic in a CDMA cell with imperfect power controlP. R. Larijani, Roshdy H. M. Hafez, Ioannis Lambadaris. pimrc 1997: 729-733 [doi]

A Time-Slot Assignment Strategy for ATM Broadband Indoor Wireless NetworksNaser Movahhedinia, George M. Stamatelos, Roshdy H. M. Hafez. wpc, 5(2):89-111, 1997. [doi]

Adaptive Rate Controlling for Reliable Video Communication Over Wireless Packet NetworksG. R. Rajugopal, Roshdy H. M. Hafez. icip 1997: 657-660 [doi]

1995

Capacity improvement of microcellular systems using signal cyclic spectral propertiesFaramarz Hendessi, Asrar U. H. Sheikh, Roshdy H. M. Hafez. pimrc 1995: 1341 [doi]

Polling-based multiple access for indoor broadband wireless systemsNaser Movahhedinia, George M. Stamatelos, Roshdy H. M. Hafez. pimrc 1995: 1052 [doi]

1994

Traffic handling capability of a broadband indoor wireless network using CDMA multiple accessChang G. Zhang, Roshdy H. M. Hafez, David D. Falconer. jsac, 12(4):645-653, 1994. [doi]

1992

Traffic study of TDMA-TDD in millimeter wave indoor wireless communicationsV. R. M. Thyagarajan, Roshdy H. M. Hafez, David D. Falconer. pimrc 1992: 566-571 [doi]

1985

Spread Spectrum Access in Two-Hop CATV Data NetworksRoshdy H. M. Hafez, Ahmed K. Elhakeem, Samy A. Mahmoud. jsac, 3(2):312-322, 1985. [doi]

1983

Spread-Spectrum Access to Mixed Voice-Data Local Area NetworksAhmed K. Elhakeem, Roshdy H. M. Hafez, Samy A. Mahmoud. jsac, 1(6):1054-1069, 1983. [doi]

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