Hossam M. H. Shalaby
Professor, Electrical Engineering Department, Faculty of Engineering, Alexandria University, Egypt.
Email: shalaby@ieee.org
Email: hossam.shalaby@alexu.edu.eg
Academic Qualifications
Ph.D., University of Maryland, College Park, USA, 1991. 

M.S., Alexandria University, Egypt, 1986. 

B.S., Alexandria University, Egypt, 1983. 
Work Experience
Professor, Alexandria University, Egypt, 2001present. 

Professor and Chairperson, EgyptJapan University of Science and Technology (EJUST), Alexandria, Egypt, 20102016. 

Adjunct Professor, Virginia Tech MENA, Alexandria , Egypt, 2009. 

Adjunct Professor, American University, Cairo, Egypt, 2009. 

Adjunct Professor, Laval University, Quebec, Canada, 20002004. 

Associate Professor, Alexandria University, Egypt, 19962001. 

Associate Professor, Nanyang Technological University, Singapore, 19982000. 

Associate Professor, International Islamic University Malaysia, Kuala Lumpur, Malaysia, 19961997. 

Assistant Professor, Alexandria University, Egypt, 19911996. 
Professional Associations
Senior Member, Institute of Electrical and Electronics Engineering (IEEE), USA. 

Senior Member, The Optical Society (OSA), USA. 

Student Branch Counselor (Alexandria University), IEEE Alexandria & North Delta Subsection, 20022006. 
Honors and Awards
University Excellence Award, Alexandria University, Egypt, 2009. 

State Excellence Award in Engineering Sciences, Academy of Scientific Research and Technology, Egypt, 2007. 

Shoman Prize for Young Arab Researchers, Abdul Hameed Shoman Foundation, Jordan, 2002. 

State Incentive Award in Engineering Sciences, Academy of Scientific Research and Technology, Egypt, 2001. 

University Incentive Award, Alexandria University, Egypt, 1996. 

State Incentive Award in Engineering Sciences, Academy of Scientific Research and Technology, Egypt, 1995. 

Soliman AbdElHay Award, Academy of Scientific Research and Technology, Egypt, 1995. 

SRC Fellowship, Systems Research Center (Now the Institute for Systems Research), University of Maryland, USA, 19871990. 
Teaching
106382: Optical WDM Networks. 

EE365: Optical Devices. 

EE363: Optical Transmission Media. 

EE481: Digital Communications. 

EE482: Optical Communications Systems. 

EE486: Communication Networks. 
Teaching at EJUST
ECE607: High Speed Communications Networks. 

ECE614: Advanced Optical Communications Systems. 

ECE617: Silicon Photonics. 
Photonics Systems Lab (PSL) at EJUST
The Photonics Systems Lab (PSL) is located within EJUST campus in Borg ElArab, Alexandria, Egypt. 
Final Year Projects
Islam
Holy Quran (includes English translation and Arabic meaning). 
Research Interests and Projects
Our team is involved in a wide area of photonics, including:
Optical Transport and Access Networks. 

FreeSpace Optics. 

Hybrid Modulation and MultipleAccess Techniques. 

Silicon Photonics, Optical Interconnects, and Photonics Integration. 

Optical SpaceDivision Multiplexing. 

Information Theory and Coding. 
Research Citation
First: Selected Journal Papers
H. S. Khallaf, H. M. H. Shalaby, J. M. GarridoBalsells, and S. Sampei, “Performance analysis of a hybrid QAMMPPM technique over turbulencefree and gammagamma freespace optical channels,” IEEE/OSA J. Opt. Commun. Net., vol. 9, no. 2, pp. 161–171, Feb. 2017. Download a copy
S. D. Mohamed, H. M. H. Shalaby, I. Andonovic, and M. H. Aly, “Performance analysis of modified asymmetricallyclipped optical orthogonal frequencydivision multiplexing systems,” Opt. Commun., vol. 380, pp. 61–68, Dec. 1, 2016. Download a copy
A. S. Ghazy, H. A. I. Selmy, and H. M. H. Shalaby, “Fair resource allocation schemes for cooperative dynamic free space optical networks,” IEEE/OSA J. Opt. Commun. Net., vol. 8, no. 11, pp. 822–834, Nov. 2016. Download a copy
H. M. H. Shalaby, “Bidirectional coupler as a modedivision multiplexer/demultiplexer,” IEEE/OSA J. Lightwave Technol., vol. 34, no. 15, pp. 3633–3640, Aug. 1, 2016. Download a copy
A. E. ElFiqi, A. E. Morra, S. F. Hegazy, H. M. H. Shalaby, K. Kato, and S. S. A. Obayya, “Performance evaluation of hybrid DPSKMPPM techniques in longhaul optical transmission,” OSA Appl. Opt., vol. 55, no. 21, pp. 5614–5622, July 20, 2016. Download a copy
A. E. A. Farghal, H. M. H. Shalaby, K. Kato, and R. K. Pokharel, “Performance analysis of multicode OCDM networks supporting elastic transmission with QoS differentiation,” IEEE Trans. Commun., vol. 64, no. 2, pp. 741–752, Feb. 2016. Download a copy
A. E. Morra, H. M. H. Shalaby, S. F. Hegazy, and S. S. A. Obayya, “Hybrid directdetection differential phase shift keyingmultipulse pulse position modulation techniques for optical communication systems,” Opt. Commun., vol. 357, pp. 86–94, Dec. 15, 2015. Download a copy
H. S. Khallaf, J. M. GarridoBalsells, H. M. H. Shalaby, and S. Sampei, “SER analysis of MPPMcoded MIMOFSO system over uncorrelated and correlated gammagamma atmospheric turbulence channels,” Opt. Commun., vol. 356, pp. 530–535, Dec. 1, 2015. Download a copy
A. E. Farghal, H. M. H. Shalaby, K. Kato, and R. K. Pokharel, “Optical codedivision multiplexing (OCDM) networks adopting codeshift keying/overlapping PPM signaling: Proposal and performance analysis,” IEEE Trans. Commun., vol. 63, no. 10, pp. 3779–3788, Oct. 2015. Download a copy
M. Hafez, T. Khattab, and H. M. H. Shalaby, “Blind SNR estimation of Gaussiandistributed signals in Nakagami fading channels,” IEEE Trans. Wireless Commun., vol. 14, no. 7, pp. 3509–3518, July, 2015. Download a copy
J. K. Hmood, K. A. Noordin, S. W. Harun, and H. M. H. Shalaby, “ Mitigation of phase noise in alloptical OFDM systems based on minimizing interaction time between subcarriers,” Opt. Commun., vol. 355, pp. 313–320, June 26, 2015. Download a copy
H. M. H. Shalaby, “Maximum achievable constrained power efficiencies of MPPMLQAM techniques,” IEEE Photonics Technol. Lett., vol. 27, no. 12, pp. 1265–1268, June 15, 2015. Download a copy
J. K. Hmood, S. D. Emami, K. A. Noordin, H. Ahmad, S. W. Harun, and H. M. H. Shalaby, “Optical frequency comb generation based on chirping of MachZehnder Modulators,” Opt. Commun., vol. 344, pp. 139–146, June 1, 2015. Download a copy
J. K. Hmood, S. W. Harun, S. D. Emami, A. Khodaei, K. A. Noordin, H. Ahmad, and H. M. H. Shalaby, “Performance analysis of an alloptical OFDM system in presence of nonlinear phase noise,” Opt. Express, vol. 23, no. 4, pp. 3886–3900, Feb. 23, 2015. Download a copy
M. M. Selim, O. Muta, H. M. H. Shalaby, and H. Furukawa, “Chunkbased resource allocation in multicell OFDMA systems with fairness guarantee,” IEICE Communications Express (ComEX), vol. 4, no. 2, pp. 31–37, Feb. 2, 2015. Download a copy
A. E. Farghal, H. M. H. Shalaby, and Z. Kawasaki, “Multirate multiservice alloptical code switched GMPLS core network utilizing multicode variableweight optical codedivision multiplexing,” IEEE/OSA J. Opt. Commun. Net., vol. 6, no. 8, pp. 670–683, Aug. 2014. Download a copy
M. M. Selim, O. Muta, H. M. H. Shalaby, and H. Furukawa, “Low complexity QoSaware subcarrier allocation for MISOOFDMA systems,” IEICE Communications Express (ComEX), vol. 3, no. 8, pp. 235–240, Aug. 18, 2014. Download a copy
A. E. Farghal, H. M. H. Shalaby, and Z. Kawasaki, “Performance analysis of multirate multiservice optical CDMA networks adopting overlapping PPM signaling,” IEEE/OSA J. Lightwave Technol., vol. 32, no. 15, pp. 2649–2658, Aug. 1, 2014. Download a copy
A. I. Abd ElRahman, S. I. Rabia, and H. M. H. Shalaby, “Assessment of an optical burst switched core node with a restricted number of simultaneous active users using the burst error loss rate,” IEEE/OSA J. Opt. Commun. Net., vol. 6, no. 4, pp. 408–420, Apr. 2014. Download a copy
H. Selmy, H. M. H. Shalaby, and Z. Kawasaki, “Proposal and performance evaluation of a hybrid BPSKmodified MPPM technique for optical fiber communications systems,” IEEE/OSA J. Lightwave Technol., vol. 31, no. 22, pp. 3535–3545, Nov. 15, 2013. Download a copy
A. E. Morra, H. S. Khallaf, H. M. H. Shalaby, and Z. Kawasaki, “Performance analysis of both shot and thermalnoise limited multipulse PPM receivers in gammagamma atmospheric channels,” IEEE/OSA J. Lightwave Technol., vol. 31, no. 19, pp. 3142–3150, Oct. 1, 2013. Download a copy
S. E. Mirnia, A. Zarei, S. D. Emami, S. W. Harun, H. Arof, H. Ahmad, and H. M. H. Shalaby, “Proposal and performance evaluation of an efficient RZDQPSK modulation scheme in alloptical OFDM transmission systems,” IEEE/OSA J. Opt. Commun. Net., vol. 5, no. 9, pp. 932–944, Sept. 2013. Download a copy
H. M. H. Shalaby, “Performance analysis of SACOCDMA systems adopting overlapping PPM schemes,” IEEE/OSA J. Lightwave Technol., vol. 31, no. 12, pp. 1856–1866, June 15, 2013. Download a copy
M. H. MorsyOsman, M. Y. S. Sowailem, A. I. Abd ElRahman, and H. M. H. Shalaby, “Performance evaluation of an optical burst switched core node with generalized arrivals and partial wavelength conversion capability,” IEEE/OSA J. Opt. Commun. Net., vol. 4, no. 12, pp. 997–1007, Dec. 2012. Download a copy
H. M. H. Shalaby, “Efficient use of PPM in spectralamplitudecoding optical CDMA systems,” IEEE/OSA J. Lightwave Technol., vol. 30, no. 22, pp. 3512–3519, Nov. 15, 2012. Download a copy
H. Selmy, H. M. H. Shalaby, and Z. Kawasaki, “Performance analysis of gradual multipulse pulse position modulation in deep space optical communications,” IEEE/OSA J. Opt. Commun. Net., vol. 4, no. 10, pp. 812–820, Oct. 2012. Download a copy
H. M. H. Shalaby, “Closedform expression for the biterror rate of spectralamplitudecoding optical CDMA systems,” IEEE Photonics Technol. Lett., vol. 24, pp. 1285–1287, Aug. 1, 2012. Download a copy
H. M. H. Shalaby, “Comments on “An Enhanced Detection Technique for Spectral Amplitude Coding Optical CDMA Systems”,” IEEE Photonics Technol. Lett., vol. 24, no. 15, pp. 1356–1357, Aug. 1, 2012. Download a copy
A. I. Abd ElRahman, S. I. Rabia, and H. M. H. Shalaby, “MAClayer performance enhancement using control packet buffering in optical burst switched networks,” IEEE/OSA J. Lightwave Technol., vol. LT30, no. 11, pp. 1578–1586, June 1, 2012. Download a copy
I. A. M. Ashour, S. Shaari, H. M. H. Shalaby, and P. S. Menon, “Investigation of inband transmission of both spectral amplitude coding/optical code division multipleaccess and wavelength division multiplexing signals,” SPIE Opt. Eng., vol. 50(6), pp. 065001(1–7), June 2011. Download a copy
M. Y. S. Sowailem, M. H. S. Morsy, and H. M. H. Shalaby, “Employing code domain for contention resolution in optical burst switched networks with detailed performance analysis,” IEEE/OSA J. Lightwave Technol., vol. LT27, pp. 5284–5294, Dec. 2009. Download a copy
M. H. S. Morsy, M. Y. S. Sowailem, and H. M. H. Shalaby, “Enhanced mathematical model for both throughput and blocking probability of optical burst switched networks,” SPIE Opt. Eng., vol. 48(8), pp. 085003(1–10), Aug. 2009. Download a copy
T. Eltaif, H. M. H. Shalaby, S. Shaari, and M. M. N. Hamarsheh, “Performance enhancement of successive interference cancellation scheme based on spectral amplitude coding for optical codedivision multipleaccess systems using Hadamard codes,” SPIE Opt. Eng., vol. 48(4), pp. 045002(1–7), Apr. 2009. Download a copy
E. Inaty, R. Raad, P. Fortier, and H. M. H. Shalaby, “Above the nominal limit performance evaluation of multiwavelength optical codedivision multipleaccess systems,” SPIE Opt. Eng., vol. 48(3), pp. 035003(1–9), Mar. 2009. Download a copy
E. Inaty, R. Raad, P. Fortier, and H. M. H. Shalaby, “A fair QoSbased resource allocation scheme for a timeslotted optical OVCDMA network: A unified approach,” IEEE/OSA J. Lightwave Technol., vol. LT27, pp. 2–11, Jan. 2009. Download a copy
T. Eltaif, H. M. H. Shalaby, S. Shaari, and M. M. N. Hamarsheh, “Performance analysis of a hybrid fiber Bragg gratingbased spectralamplitudecoding/successive interference cancellation for optical CDMA systems,” Opt. Commun., vol. 282(1), pp. 1–6, Jan. 2009. Download a copy
Z. A. ElSahn, Y. M. AbdElMalek, H. M. H. Shalaby, and E. A. ElBadawy, “Significance in adding a queuing subsystem to the R^{3}T random access OCDMA protocol,” IEEE Trans. Commun., vol. COM56, pp. 1601–1605, Oct. 2008. Download a copy
T. Eltaif, H. M. H. Shalaby, S. Shaari, and M. M. N. Hamarsheh, “Analytical comparison of optical codedivision multipleaccess systems with and without a successive interference cancellation scheme using modified primesequence codes,” SPIE Opt. Eng., vol. 47(9), pp. 095001(1–6), Sept. 2008. Download a copy
T. Eltaif, H. M. H. Shalaby, S. Shaari, and M. M. N. Hamarsheh, “Proposal of successive interference cancellation scheme in optical codedivision multiple access systems,” SPIE Opt. Eng., vol. 47(3), pp. 035006(1–6), Mar. 2008. Download a copy
Z. A. ElSahn, Y. M. AbdElMalek, H. M. H. Shalaby, and E. A. ElBadawy, “Performance of the R^{3}T randomaccess OCDMA protocol in noisy environment,” IEEE J. Sel. Topics Quantum Electron., vol. 13, pp. 1396–1402, September/October 2007. Download a copy
R. Raad, E. Inaty, P. Fortier, and H. M. H. Shalaby, “Optimal resource allocation scheme in a multirate overlapped optical CDMA system,” IEEE/OSA J. Lightwave Technol., vol. LT25, pp. 2044–2053, Aug. 2007. Download a copy
M. AbdElMalek, Z. A. ElSahn, H. M. H. Shalaby, E. A. ElBadawy, “New optical random access codedivision multipleaccess protocol with stopandwait automatic repeat request,” SPIE Opt. Eng., vol. 46(6), pp. 056007(1–8), June 2007. Download a copy
H. M. H. Shalaby, “A simplified performance analysis of optical burstswitched networks,” IEEE/OSA J. Lightwave Technol., vol. LT25, pp. 986–995, Apr. 2007. Download a copy
M. M. N. Hamarsheh, M. K. Abdullah, S. Khatun, and H. M. H. Shalaby, “Fast frequency modulation optical code division multiple access communication system,” Optics & Laser Technology, vol. 39(3), pp. 605–609, April 2007. Download a copy
E. Inaty, R. Raad, P. Fortier, and H. M. Shalaby, “Performance comparison between SALOHA and R^{3}T protocols for multirate OFFHCDMA systems in optical packet networks,” J. Opt. Netw. vol. 5, pp. 927–936, Dec. 2006. Download a copy
M. A. A. Mohamed, H. M. H. Shalaby, and E. A. ElBadawy, “Performance analysis of an optical CDMA MAC protocol with variablesize sliding window,” IEEE/OSA J. Lightwave Technol., vol. LT24, pp. 3590–3597, Oct. 2006. Download a copy
M. M. N. Hamarsheh, M. K. Abdullah, S. Khatun, and H. M. H. Shalaby, “Design and analysis of a dynamic spectral encoding codedivision multipleaccess communication system,” SPIE Opt. Eng., vol. 45(10), pp. 105005(1–5), Oct. 2006. Download a copy
M. M. N. Hamarsheh, M. K. Abdullah, S. Khatun, and H. M. H. Shalaby, “Design and analysis of synchronous dynamic frequency hopping code division multiple access communication system,” Optical Fiber Technology, vol. 12, pp. 334–339, Oct. 2006. Download a copy
M. A. A. Mohamed, H. M. H. Shalaby, and E. A. ElBadawy, “Optical codedivision multipleaccess protocol with selective retransmission,” SPIE Opt. Eng., vol. 45(5), pp. 055007(1–8), May 2006. Download a copy
R. Raad, E. Inaty, P. Fortier, and H. M. H. Shalaby, “Optical SALOHA/CDMA systems for multirate applications: Architecture, performance evaluation, and system stability,” IEEE/OSA J. Lightwave Technol., vol. LT24, pp. 1968–1977, May 2006. Download a copy
M. M. N. Hamarsheh, H. M. H. Shalaby, and M. K. Abdullah, “Design and analysis of a dynamic code division multiple access communication system based on tunable optical filter,” IEEE/OSA J. Lightwave Technol., vol. LT23, pp. 3959–3965, Dec. 2005. Download a copy
E. Inaty, H. M. H. Shalaby, and P. Fortier, “On the cutoff rates of a multiclass OFFHCDMA system,” IEEE Trans. Commun., vol. COM53, pp. 323–334, Feb. 2005. Download a copy
H. M. H. Shalaby, “Optimality of the users strength in optical PPMCDMA channels,” IEEE Trans. Commun., vol. COM53, pp. 315–322, Feb. 2005. Download a copy
H. M. H. Shalaby, “Performance analysis of an optical CDMA random access protocol,” IEEE/OSA J. Lightwave Technol., vol. LT22, pp. 1233–1241, May 2004. Download a copy
H. M. H. Shalaby, “Optical CDMA random access protocols with and without pretransmission coordination,” IEEE/OSA J. Lightwave Technol., vol. LT21, pp. 2455– 2462, Nov. 2003. Download a copy
H. M. H. Shalaby, “Complexities, error probabilities, and capacities of optical OOKCDMA communication systems,” IEEE Trans. Commun., vol. COM50, pp. 2009–2017, Dec. 2002. Download a copy
E. Inaty, H. M. H. Shalaby, and P. Fortier, “A new transmitterreceiver architecture for noncoherent multirate OFFHCDMA system with fixed optimal detection threshold,” IEEE/OSA J. Lightwave Technol., vol. LT20, pp. 1885–1894, Nov. 2002. Download a copy
E. Inaty, H. M. H. Shalaby, P. Fortier, and L.A. Rusch, “Multirate optical fast frequency hopping CDMA system using power control,” IEEE/OSA J. Lightwave Technol., vol. LT20, pp. 166–177, Feb. 2002. Download a copy
T. S. Lee, H. M. H. Shalaby, and H. GhafouriShiraz, “Estimation and cancellation of multiuser interference in synchronous fiberoptic PPMCDMA system using Manchester coding,” Optics & Laser Technology, vol. 33 (8), pp. 573–580, Nov. 2001. Download a copy
Z. Wei, H. M. H. Shalaby, and H. G. Shiraz, “Modified quadratic congruence codes for fiber Bragggratingbased spectralamplitudecoding optical CDMA systems,” IEEE/OSA J. Lightwave Technol., vol. LT19, pp. 1274–1281, Sept. 2001. Download a copy
Z. Wei, H. G. Shiraz, and H. M. H. Shalaby, “New code families for fiberBragggratingbased spectralamplitudecoding optical CDMA systems,” IEEE Photonics Technol. Lett., vol. 13, pp. 890–892, Aug. 2001. Download a copy
Z. Wei, H. G. Shiraz, and H. M. H. Shalaby, “Performance analysis of optical spectralamplitudecoding CDMA systems using a superfluorescent fiber source,” IEEE Photonics Technol. Lett., vol. 13, pp. 887–889, Aug. 2001. Download a copy
T. S. Lee, H. M. H. Shalaby, and H. GhafouriShiraz, “Interference reduction in synchronous fiberoptic PPMCDMA Systems,” Microwave and Optical Technol. Lett., vol. 30 (3), pp. 202–205, Aug. 2001. Download a copy
X. Zhou, C. Lu, P. Shum, H. M. H. Shalaby, T. H. Cheng, and P. Ye, “Performance analysis of an alloptical clock extraction circuit based on a FabryPerot resonator,” IEEE/OSA J. Lightwave Technol., vol. LT19, pp. 603–613, May 2001. Download a copy
H. M. H. Shalaby “Optical OPPMCDMA recievers with chiplevel detectors,” IEE Proc.Commun., vol. 148, pp. 31–37, Feb. 2001. Download a copy
X. Zhou, H. M. H. Shalaby, C. Lu, and T. Cheng, “A performance analysis of alloptical clock extraction circuit based on stimulated brillouin scattering,” IEEE/OSA J. Lightwave Technol., vol. LT18, pp. 1453–1466, Oct. 2000. Download a copy
H. M. H. Shalaby, “Maximum achievable number of users in optical PPMCDMA local area networks,” IEEE/OSA J. Lightwave Technol., vol. LT18, pp. 1187–1196, Sept. 2000. Download a copy
H. M. H. Shalaby “Effect of thermal noise and APD noise on the performance of OPPMCDMA receivers,” IEEE/OSA J. Lightwave Technol., vol. LT18, pp. 905–914, July 2000. Download a copy
X. Zhou, H. M. H. Shalaby, C. Lu, and T. Cheng, “Code for spectral amplitude coding optical CDMA systems,” IEE Electron. Lett., vol. 36 (8), pp. 728–729, Apr. 2000. Download a copy
H. M. H. Shalaby, “Synchronous fiberoptic CDMA systems with interference estimators,” IEEE/OSA J. Lightwave Technol., vol. LT17, pp. 2268–2275, Nov. 1999. Download a copy
H. M. H. Shalaby, “Directdetection optical overlapping PPMCDMA communication systems with double optical hardlimiters,” IEEE/OSA J. Lightwave Technol., vol. LT17, pp. 1158–1165, July 1999. Download a copy
H. M. H. Shalaby, “A performance analysis of optical overlapping PPMCDMA communication systems,” IEEE/OSA J. Lightwave Technol., LT17, pp. 426–433, Mar. 1999. Download a copy
H. M. H. Shalaby, “Chiplevel detection in optical codedivision multipleaccess,” IEEE/OSA J. Lightwave Technol., vol. LT16, pp. 1077–1087, June 1998. Download a copy
H. M. H. Shalaby, “Cochannel interference reduction in optical synchronous PPMCDMA systems,” IEEE Trans. Commun., vol. COM46, pp. 799–805, June 1998. Download a copy
H. M. H. Shalaby, “Maximum achievable throughputs for uncoded OPPM and MPPM in optical directdetection channels,” IEEE/OSA J. Lightwave Technol., vol. LT13, pp. 2121–2128, Nov. 1995. Download a copy
H. M. H. Shalaby, “A comparison between the performance of numberstate and coherentstate optical CDMA in lossy photon channels,” IEEE J. Select. Areas Commun., vol. SAC13, pp. 592–602, Apr. 1995. Download a copy
H. M. H. Shalaby, “Performance analysis of optical synchronous CDMA communication systems with PPM signaling,” IEEE Trans. Commun., vol. COM43, pp. 624–634, February/March/April 1995. Download a copy
H. M. H. Shalaby, “Capacity and cutoff rate for optical overlapping pulseposition modulation channels,” IEEE Trans. Commun., vol. COM43, pp. 1284–1288, February/March/April 1995. Download a copy
H. M. H. Shalaby and A. Papamarcou, “Error exponents for distributed detection of Markov sources,” IEEE Trans. Inform. Theory, vol. IT40, pp. 397–408, Mar. 1994. Download a copy
H. M. H. Shalaby and A. Papamarcou, “A note on the asymptotics of distributed detection with feedback,” IEEE Trans. Inform. Theory, vol. IT39, pp. 633–640, Mar. 1993. Download a copy
H. M. H. Shalaby and A. Papamarcou, “Multiterminal detection with zerorate data compression,” IEEE Trans. Inform. Theory, vol. IT38, pp. 254–267, Mar. 1992. Download a copy
Second: Selected Conference Papers
M. A. Elrabiaey, Z. A. ElSahn, H. M. H. Shalaby, and E.S. A. Youssef, “Implementation of OCDMA using nested ring resonators,” to appear in IEEE Photonics Conference (IPC 2017), Orlando, Florida, Oct. 1–5, 2017, pp. 1–2.
O. M. Nawwar, H. M. H. Shalaby, and R. K. Pokharel, “Design and fabrication of a bidirectional modedivision multiplexer (BMDM) for optical interconnects,” to appear in IEEE Photonics Conference (IPC 2017), Orlando, Florida, Oct. 1–5, 2017, pp. 1–2.
S. D. Mohamed, I. Andonovic, H. M. H. Shalaby, and M. H. Aly, “Performance of optical OFDM systems in atmospheric turbulence channel,” to appear in Proc. 2nd Int. Conf. Adv. Tech. Appl. Sci. (ICaTAS 2017), Alexandria, Egypt, Sept. 12–14, 2017, pp. 1–10.
H. S. Khallaf, A. E. ElFiqi, M. Elwekeil, H. M. H. Shalaby, and S. S. A. Obayya, “Efficiency of opportunistic cellular/LiFi traffic offloading,” in Proc. 19th Int. Conf. Transparent Optical Networks (ICTON 2017), Catalonia, Spain, July 2–6, 2017, pp. We.A2.4(1–4). Download a copy
H. S. Khallaf, A. E. ElFiqi, H. M. H. Shalaby, and S. S. A. Obayya, “Average SER of MPPM technique over exponentiated Weibull fading FSO channels considering fog and beam divergence,” in Proc. 19th Int. Conf. Transparent Optical Networks (ICTON 2017), Catalonia, Spain, July 2–6, 2017, pp. Tu.P.11(1–4). Download a copy
M. A. F. Banawan, Z. A. ElSahn, M. B. Alghoniemy, and H. M. H. Shalaby, “Hybrid phase shift keyingmultipulse pulseposition modulated OOFDM signals for NGPONs,” in Proc. 19th Int. Conf. Transparent Optical Networks (ICTON 2017), Catalonia, Spain, July 2–6, 2017, pp. Tu.P.3(1–4). Download a copy
H. S. Khallaf, A. S. Ghazy, H.M. H. Shalaby, and S. S. A. Obayya, “Performance analysis of visible light communication systems over fading channels,” in Proc. 19th Int. Conf. Transparent Optical Networks (ICTON 2017), Catalonia, Spain, July 2–6, 2017, pp. Mo.C2.4(1–4). Download a copy
O. M. Nawwar, H. M. H. Shalaby, and R. K. Pokharel, “Compact modedivision de(multiplexer) with antireflection grating for optical interconnects,” in Proc. Asia Communications and Photonics Conference (ACP 2016), Hong Kong, Nov. 2–5, 2016, pp. AF1G.7(1–3). Download a copy
J. A. H. Odoeze, O. M. Nawwar, and H. M. H. Shalaby, “Jrib waveguide as a modedivision demultiplexer,” in Proc. Asia Communications and Photonics Conference (ACP 2016), Hong Kong, Nov. 2–5, 2016, pp. AF1G.6(1–3). Download a copy
M. A. F. Banawan, Z. A. ElSahn, and H. M. H. Shalaby, “MIMO equalization for multicore fiberbased systems using the affine projection algorithm,” in Proc. Asia Communications and Photonics Conference (ACP 2016), Hong Kong, Nov. 2–5, 2016, pp. pp. ATh2C.5(1–3). Download a copy
A. S. Ghazy, H. A. I. Selmy, and H. M. H. Shalaby, “Fair optimal transceivers placement in foggy cooperative dynamic FSO networks,” in Proc. Asia Communications and Photonics Conference (ACP 2016), Hong Kong, Nov. 2–5, 2016, pp. AF2A.142((1–3). Download a copy
H. S. Khallaf, H. M. H. Shalaby, and S. Sampei, “Transmission analysis of Mary QAM based wireless services over exponentiated Weibull turbulent RoFSO channels,” in Proc. Asia Communications and Photonics Conference (ACP 2016), Hong Kong, Nov. 2–5, 2016, pp. AF2A.118(1–3). Download a copy
A. E. ElFiqi, H. M. H. Shalaby, and K. Kato, “Impact of linear modecoupling on nonlinear performance of longhaul strongcoupled multicore fiber transmission,” in IEEE Photonics Conference (IPC 2016), Waikoloa, Hawaii, Oct. 2–6, 2016, pp. 530–531. Download a copy
A. E. Morra, M. Rihan, A. E. ElFiqi, H. M. H. Shalaby, and S. S. A. Obayya, “Evaluation of power efficiency of hybrid modulation techniques,” in IEEE Photonics Conference (IPC 2016), Waikoloa, Hawaii, Oct. 2–6, 2016, pp. 33–34. Download a copy
A. S. Ghazy, H. A. I. Selmy, Ziad A. ElSahn, and H. M. H. Shalaby, “Constrained fairness placement scheme in cooperative dynamic free space optical network,” in Proc. 18th Int. Conf. Transparent Optical Networks (ICTON 2016), Trento, Italy, July 10–14, 2016, pp. Tu.P.21(1–5). Download a copy
M. A. F. Banawan, Z. A. ElSahn, and H. M. H. Shalaby, “Layered PAMDMT for next generation passive optical networks,” in Proc. 18th Int. Conf. Transparent Optical Networks (ICTON 2016), Trento, Italy, July 10–14, 2016, pp. Tu.P.2(1–4). Download a copy
H. S. Khallaf, A. S. Ghazy, H. M. H. Shalaby, and S. Sampei, “Performance analysis of a hybrid QAMMPPM technique under gammagamma turbulent channels,” in Proc. 18th Int. Conf. Transparent Optical Networks (ICTON 2016), Trento, Italy, July 10–14, 2016, pp. Tu.A2.4(1–4). Download a copy
A. E. ElFiqi, A. E. Morra, H. M. H. Shalaby, S. S. A. Obayya, and K. Kato, “Performance evaluation of hybrid DBPSKMPPM technique in longhaul optical transmission,” in Proc. IEEE Conf. on Lasers and ElectroOptics, (CLEO 2016), San Jose, CA, June 5–10, 2016, pp. JTh2A.131(1–2). Download a copy
A. S. Ghazy, H. A. I. Selmy, and H. M. H. Shalaby, “Proposed resource allocation schemes for rainy free space optical network,” in Proc. 4th Int. Conf. Photonics, Optics and Laser Technology (PHOTOPTICS 2016), Rome, Italy, Feb. 27–29 2015, pp. 76–83. Download a copy
M. A. F. Banawan, A. M. Hussein, Z. A. ElSahn, and H. M. H. Shalaby, “Performance of spacedivision multiplexed systems adopting multicore fibers and receiver diversity,” in Proc. Asia Communications and Photonics Conference (ACP 2015), Hong Kong, Nov. 19–23 2015, pp. ASu5D.2(1–3). Download a copy
A. S. Ghazy, H. A. I. Selmy, and H. M. H. Shalaby, “Reliablefair resource allocation schemes for snowy cooperative free space optical networks,” in Proc. Asia Communications and Photonics Conference (ACP 2015), Hong Kong, Nov. 19–23 2015, pp. ASu1H.4(1–3). Download a copy
A. A. I. Ali, A. E. ElFiqi, Z. A. ElSahn, H. M. H. Shalaby, and R. K. Pokharel, “Analytical formula of nonlinear interference in fewmode fibers in strong coupling regime,” in Proc. 17th Int. Conf. on Transparent Optical Networks (ICTON 2015), Budapest, Hungary, July 5–9, 2015, pp. We.D1.6(1–4). Download a copy
A. S. Ghazy, H. A. I. Selmy, and H. M. H. Shalaby, “Fair cooperative resource allocation algorithms for foggy free space optical network,” in Proc. 17th Int. Conf. on Transparent Optical Networks (ICTON 2015), Budapest, Hungary, July 5–9, 2015, pp. Tu.P.2(1–5). Download a copy
A. E. ElFiqi, A. Ismail, Z. A. ElSahn, H. M. H. Shalaby, and R. K. Pokharel, “Evaluation of nonlinear interference in fewmode fiber using the Gaussian noise model,” in Proc. IEEE Conf. on Lasers and ElectroOptics, (CLEO 2015), San Jose, CA, May 10–15, 2015, pp. JTh2A.53(1–2). Download a copy
A. E. Morra and H. M. H. Shalaby, “A hybrid DQPSKMPPM technique for high sensitivity optical communication systems,” in Proc. Third Int. JapanEgypt Conf. Electron., Commun. Comp. (JECECC 2015), Fukuoka, Japan, Mar. 16–18, 2015, pp. 122–123. Download a copy
A. E. ElFiqi, A. Ismail, Z. A. ElSahn, H. M. H. Shalaby, and R. K. Pokharel, “Nonlinear capacity of fewmode fibers using the Gaussian noise model,” in Proc. Third Int. JapanEgypt Conf. Electron., Commun. Comp. (JECECC 2015), Fukuoka, Japan, Mar. 16–18, 2015, pp. 106–107. Download a copy
M. M. Selim, O. Muta, H. M. H. Shalaby, and H. Furukawa, “Chunkbased resource allocation in MISOOFDMA systems with fairness provision,” in Proc. Third Int. JapanEgypt Conf. Electron., Commun. Comp. (JECECC 2015), Fukuoka, Japan, Mar. 16–18, 2015, pp. 42–43. Download a copy
M. M. Selim, O. Muta, H. Shalaby, and H. Furukawa, “Fairness aware chunkbased resource allocation in multicell OFDMA networks,” in Proc. 3rd Int. Conf. Connected Vehicles & Expo. (ICCVE 2014), Vienna, Austria, Nov 3–7, 2014, pp. 990–995. Download a copy
H. S. Khallaf and H. M. H. Shalaby, “Closed form expressions for SER and capacity of shot noise limited MIMOFSO system adopting MPPM over gammagamma atmospheric turbulence channels,” in Proc. IEEE Photonics Conference (IPC 2014), San Diego, CA, Oct. 12–16, 2014, pp. 619–620. Download a copy
H. Selmy, H. M. H. Shalaby, and Z. Kawasaki, “Enhancing optical multipulse pulse position modulation using hybrid QPSKmodified MPPM,” in Proc. IEEE Photonics Conference (IPC 2014), San Diego, CA, Oct. 12–16, 2014, pp. 617–618. Download a copy
A. E. Morra, H. M. H. Shalaby, and Z. Kawasaki, “A hybrid DPSKMPPM technique for high sensitivity optical transmission,” in Proc. IEEE Photonics Conference (IPC 2014), San Diego, CA, Oct. 12–16, 2014, pp. 615–616. Download a copy
E. A. ElFiky, Z. A. ElSahn, and H. M. H. Shalaby, “WDMIDMA solution for NGPON2 enabled by coherent technology and colorless ONUs,” in Proc. IEEE Photonics Conference (IPC 2014), San Diego, CA, Oct. 12–16, 2014, pp. 69–70. Download a copy
H. S. Khallaf and H. M. H. Shalaby, “Proposal of a hybrid QAMMPPM technique for optical communications systems,” in Proc. 16th Int. Conf. Transparent Optical Networks (ICTON 2014), Graz, Austria, July 6–10, 2014, Tu.B1.7(1–4). Download a copy
H. Selmy, T. Ismail, and H. M. H. Shalaby, “Enhancing BPSK and OOK modulations using hybrid 2BPSKOOK technique for optical fiber communications systems,” in Proc. 16th Int. Conf. Transparent Optical Networks (ICTON 2014), Graz, Austria, July 6–10, 2014., Tu.P.17(1–5). Download a copy
S. Hashima, O. Muta, M. Alghoniemy, H. Shalaby, H. Frukawa, S. Elnoubi, and I. Mahmoud, “Area spectral efficiency performance comparison of downlink fractional frequency reuse schemes for MIMO heterogeneous networks,” in Proc. Int. Conf. Inform. Sci., Electron. Elect. Eng. (ISEEE 2014), Hokkaido, Japan, April 26–28, 2014, pp. 1005–1010. Download a copy
S. Hashima, O. Muta, S. Elnoubi, M. Alghoniemy, H. Shalaby, H. Frukawa, and I. Mahmoud, “Analysis and comparison of fractional frequency reuse schemes based on worst case signal to interference power ratio in OFDMA uplink,” in Proc. the 13th Ann. Wireless Telecommun. Symp. (WTS 2014), Washington, DC, April 9–11. 2014, pp. 1–6. Download a copy
A. M. Shata, S. A. Mohamed, A. Abdel Nabi, and H. M. H. Shalaby, “An optical CDMA random access protocol for multirate optical networks adopting multicoding techniques,” in Proc. IEEE 16th Int. Conf. on Adv. Commun. Tech. (ICACT 2014), Phoenix Park, PyeongChang, Korea, Feb. 16–19, 2014, pp. 1089–1093. Download a copy
E. A. ElFiky, Z. A. ElSahn, and H. M. H. Shalaby, “Coherent PONs for next generation access: OIDMA versus OCDMA,” in Proc. Int. Conf. Comp., Netw. and Commun. (ICNC 2014), Honolulu, Hawaii, Feb. 3–6, 2014, pp. 1011–1015. Download a copy
M. M. Selim, S. Elnoubi, H. Shalaby, O. Muta, H. Furukawa, “Reduced complexity QoS aware resource allocation technique for MISOOFDMA systems,” in Proc. Int. Conf. Comp., Netw. and Commun. (ICNC 2014), Honolulu, Hawaii, Feb. 3–6, 2014, pp. 950–954. Download a copy
H. Selmy, H. M. H. Shalaby, and Z. Kawasaki, “Performance enhancement of QPSK modulation using hybrid QPSKmodified MPPM in optical fiber communications,” in Proc. Second Int. JapanEgypt Conf. Electron., Commun. Comp. (JECECC 2013), Cairo, Egypt, Dec. 17–19, 2013, pp. 196–198. Download a copy
S. D. Mohamed, H. S. Khallaf, H. Shalaby, I. Andonovic, and M. H. Aly, “Two approaches for the modified asymmetrically clipped optical orthogonal frequency division multiplexing system,” in Proc. Second Int. JapanEgypt Conf. Electron., Commun. Comp. (JECECC 2013), Cairo, Egypt, Dec. 17–19, 2013, pp. 191–195. Download a copy
M. Rihan, M. Elsabrouty, S. Elnouby, H. Shalaby, O. Muta, and H. Furukawa, “Iterative reweighted least squares approach to interference alignment,” in Proc. Wireless Days (WD 2013), Valencia, Spain, Nov. 13–15, 2013, pp. 1–6. Download a copy
E. A. ElFiky, Z. A. ElSahn, and H. M. H. Shalaby, “Coherent long reach OIDMAPONs enabled by electronic dispersion compensation,” in Proc. Asia Communications and Photonics Conference (ACP 2013), Bejing, China, Nov. 12–15 2013, pp. AF2F.33(1–3). Download a copy
S. Hashima, S. Elnoubi, M. Alghoniemy, H. Shalaby, O. Muta, and H. Furukawa, “Performance analysis of uplink fractional frequency reuse using worst case signal to interference ratio,” in Proc. Science and Information Conference (SAI 2013), London, UK, Oct. 7–9, 2013, pp. 839–844. Download a copy
S. D. Mohamed, H. Shalaby, I. Andonovic, and M. H. Aly, “Modified asymmetricallyclipped optical orthogonal frequencydivision multiplexing system performance,” in Proc. IEEE Photonics Conference IPC 2013), Bellevue, WA, Sept. 8–12, 2013, pp. 289–290. Download a copy
H. S. Khallaf, H. M. H. Shalaby, and Z. Kawasaki, “Proposal of a hybrid OFDMPPM technique for free space optical communications systems,” in Proc. IEEE Photonics Conference IPC 2013), Bellevue, WA, Sept. 8–12, 2013, pp. 287–288. Download a copy
S. Hashima, H. Shalaby, S. Elnoubi, M. Alghoniemy, O. Muta, and H. Furukawa, “Performance analysis of fractional frequency reuse based on worst case signal to interference ratio in OFDMA downlink systems,” in Proc. 24th Annual IEEE International Symposium on Personnal Indoor and Mobile Radio Communications (PIMRC 2013), London, UK, Sept. 8–11, 2013, pp. 616–620. Download a copy
A. M. Morsy, X. Rottenberg, H. M. H. Shalaby, and H. A. C. Tilmans, “Design considerations for high performance oneport SAW resonators on quartz,” in Proc. 24th Micromechanics and Microsystems Europe Conference (MME 2013), Espoo, Finland, Sept. 1–4, 2013, pp. 1–4. Download a copy
M. Hafez, T. Khattab, and H. Shalaby, “Modulationindependent nondataaAided SNR estimator for OFDM signals in Nakagami fading channels,” in Proc. 2013 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM 2013), Victoria, B.C., Canada, Aug. 27–29, 2013, pp. 6–9. Download a copy
H. Selmy, H. M. H. Shalaby, H. S. Khallaf, and Z. Kawasaki, “Hybrid BPSKModified MPPM: A scheme for enhancing optical MPPM in optical fiber communications,” in Proc. 18th European Conf. Netw. Opt. Commun. (NOC 2013), Graz, Austria, July 10–12, 2013, pp. 217–224. Download a copy
A. E. Morra, H. S. Khallaf, H. M. H. Shalaby, and Z. Kawasaki, “An exact expression for symbolerror rate of multipulse PPM techniques in freespace optics with gammagamma channels,” in Proc. 18th European Conf. Netw. Opt. Commun. (NOC 2013), Graz, Austria, July 10–12, 2013, pp. 93–97. Download a copy
A. M. Morsy, E. A. ElFiky, H. S. Khallaf, and H. M. H. Shalaby, “Performance analysis and comparison of optical IDMA and optical CDMA techniques using unipolar transmission scheme,” in Proc. 18th European Conf. Netw. Opt. Commun. (NOC 2013), Graz, Austria, July 10–12, 2013, pp. 55–59. Download a copy
S. Hashima, S. Elnoubi, M. Alghoniemy, H. Shalaby, O. Muta, and I. Mahmoud, “Analysis of frequency reuse cellular systems using worst case signal to interference ratio,” in Proc. 12th Int. Conf. Telecommun. (ConTEL 2013), Zagreb, Croatia, June 26–28, 2013, pp. 185–190. Download a copy
H. S. Khallaf, A. E. Morra, H. M. H. Shalaby, and Z. Kawasaki, “Performance analysis of freespace optics systems adopting multipulse PPM techniques in gammagamma channels for thermal noise limited systems,” in Proc. 15th Int. Conf. Transparent Optical Networks (ICTON 2013), Cartagena, Spain, June 23–27, 2013, Tu.B3.3 (1–4). Download a copy
E. A. ElFiky, A. M. Morsy, Z. A. ElSahn, and H. M. H. Shalaby, “Coherent OIDMA technique for next generation long reach PONs,” in Proc. IEEE Conf. on Lasers and ElectroOptics, (CLEO 2013), San Jose, CA, June 9–14, 2013, pp. JTu4A.100 (1–2). Download a copy
H. Selmy, H. M. H. Shalaby, and Z. Kawasaki, “Enhancing optical multipulse pulse position modulation using hybrid BPSKmodified MPPM,” in Proc. IEEE Conf. on Lasers and ElectroOptics, (CLEO 2013), San Jose, CA, June 9–14, 2013, pp. JTu4A.98 (1–2). Download a copy
H. S. Khallaf, A. E. Morra, H. M. H. Shalaby, and Z. Kawasaki, “Performance of multipulse PPM techniques in freespace optics with gammagamma channels,” in Proc. IEEE Conf. on Lasers and ElectroOptics, (CLEO 2013), San Jose, CA, June 9–14, 2013, pp. JTu4A.91 (1–2). Download a copy
I. A. M. Ashour, S. Shaari, P. S. Menon, H. A. Bakarman, and H. M. H. Shalaby, “Hybrid WDM/optical CDMA system based on hybrid spectral/spatial coding scheme,” in Proc. Int. Conf. Advances in Materials Science and Engineering (AMSE 2012), Bangkok, Thailand, Sept. 27–28, 2012. Download a copy
H. Selmy, H. M. H. Shalaby, and Z. Kawasaki, “Bandwidth utilization enhancement for MPPM using gradual multipulse pulseposition modulation,” in Proc. 17th European Conf. Netw. Opt. Commun. (NOC 2012), Barcelona, Spain, June 19–22, 2012, pp. 1–6. Download a copy
H. Selmy, H. M. H. Shalaby, and Z. Kawasaki, “Gradual MPPM: A method to improve bandwidth utilization efficiency in optical MPPM,” in Proc. The 10th Int. Conf. Opt. Internet (COIN 2012), Yokohama, Japan, May 29–31, 2012, pp. TuP.101–TuP.102. Download a copy
I. A. M. Ashour, S. Shaari, H. M. H. Shalaby, and P. S. Menon, “Performance and confidentiality comparison of different hybrid SAC/OCDMAWDM overlay schemes,” in Proc. Prog. Electromagnet. Research Symp. (PIERS 2012), Kuala Lumpur, Malaysia, Mar. 27–30, 2012, pp. 1594–1599. Download a copy
I. A. M. Ashour, H. M. H. Shalaby, and P. S. Menon, “Performance analysis of SAC/optical CDMA and WDM under a hybrid overlay scheme,” in Proc. 2nd International Conference on Photonics (ICP 2011), Sabah, Malaysia, Oct. 17–19, 2011, pp. 1–4. Download a copy
I. A. M. Ashour, H. M. H. Shalaby, and P. S. Menon, “Code development for simultaneous inband transmission of both SACoptical CDMA and WDM channels,” in Proc. 2nd International Conference on Photonics (ICP 2011), Sabah, Malaysia, Oct. 17–19, 2011, pp. 1–4. Download a copy
A. I. Abdelrahman, H. M. H. Shalaby, and S. I. Rabia, “Contention resolution using control packet buffering in optical burst switched networks,” in Proc. Access Networks and Inhouse Communications meeting (ANIC 2011), Toronto, Canada, June 12–16, 2011, pp. 1–2. Download a copy
I. A. M. Ashour, H. M. H. Shalaby, S. Shaari, and P. S. Menon, “Simulation of MQC code of SAC/Optical CDMA and WDM hybrid overlay system,” International Conference on Modeling, Simulation and Applied Optimization (ICMSAO 2011), Kuala Lumpur, Malaysia, April 19–21, 2011, pp. 1–5. Download a copy
I. A. M. Ashour, S. Shaari, H. M. H. Shalaby, P. S. Menon, and H. A. Bakarman, “Hybrid SAC/optical CDMAWDM overlay system for enhancing network security,” in Proc. The 1st International Conference on Photonics (ICP 2010), Langkawi, Kedah, Malaysia, July 5–7, 2010, pp. 1–4. Download a copy
M. S. Abdullah, A. K. S. Salem, and H. M. H. Shalaby, “Effect of bias point and modulation index of MachZehnder modulator on the performance of coherent optical OFDM in nonlinear and dispersive fiber channels,” in Proc. Access Networks and Inhouse Communications meeting (ANIC 2010), Karlsruhe, Germany, June 21–24, 2010, pp. 1–2. Download a copy
F. S. ELKhamy, M. Nasr, H. M. H. Shalaby, and H. T. Mouftah, “Blocking performance for all optical wavelength routed WDM networks under wavelength conversions,” in Proc. 12th Int. Conf. on Transparent Optical Networks (ICTON 2010), Munich, Germany, June 27–July 1, 2010, pp. We.P.5(1–4). Download a copy
I. Ashry and H. M. H. Shalaby, “Alloptical variable delay buffer for next generation optical networks,” in Proc. 12th Int. Conf. on Transparent Optical Networks (ICTON 2010), Munich, Germany, June 27–July 1, 2010, pp. Mo.B1.5(1–3). Download a copy
I. Ashry and H. M. H. Shalaby, “Tunable FabryPerot interferometer based on fiber Bragg gratings,” in Proc. IEEE 17th Int. Conf. Telecommun. (ICT 2010), Doha, Qatar, Apr. 4–7, 2010, pp. 534–537. Download a copy
M. H. S. Morsy, M. Y. S. Sowailem, and H. M. H. Shalaby, “Upper and lower bounds of burst loss probability for a core node in an optical burst switched network with Pareto distributed arrivals,” in Proc. IEEE 17th Int. Conf. Telecommun. (ICT 2010), Doha, Qatar, Apr. 4–7, 2010, pp. 523–527. Download a copy
M. H. S. Morsy, M. Y. S. Sowailem, and H. M. H. Shalaby, “Performance analysis of a core node equipped with wavelength converter pool in an optical burst switched network,” in Proc. IEEE 17th Int. Conf. Telecommun. (ICT 2010), Doha, Qatar, Apr. 4–7, 2010, pp. 516–522. Download a copy
F. S. ELKhamy, M. Nasr, H. M. H. Shalaby, and H. T. Mouftah, “Evaluate the blocking performance for all optical wavelength routed WDM networks with and without wavelength converters using the iterative path decomposition algorithm,” 6th International Symposium on High Capacity Optical Networks and Enabling Technologies (HONET 2009), Alexandria, Egypt, December 28–30, 2009, pp. 22–29. Download a copy
M. H. S. Morsy, M. Y. S. Sowailem, and H. M. H. Shalaby, “Contention resolution in optical burst switched networks using spectralamplitudecoding optical code division multiple access,” in Proc. IEEE Global Telecommun. Conf. (GLOBECOM 2009, ONS), Honolulu, HI, Nov. 30–Dec. 4, 2009, pp. 1–7. Download a copy
T. Eltaif, H. M. H. Shalaby, S. Shaari, and M. M. N. Hamarsheh, “Analysis of spectral amplitude coding OCDMA successive interference cancellation scheme,” in Proc. 8th Pacific Rim Conference on Lasers and ElectroOptics (CLEO/Pacific Rim 2009), Shanghai, China, Aug. 30–Sept. 3, 2009, pp. 1–2. Download a copy
F. S. ELKhamy, M. Nasr, H. M. H. Shalaby, and H. T. Mouftah, “The performance for heuristic algorithms for virtual topology design in all optical WDM networks,” in Proc. 11th Int. Conf. on Transparent Optical Networks (ICTON 2009), Azores, Portugal, June 28–July 2, 2009, pp. Mo.B3.6(1–4). Download a copy
T. Eltaif, H. M. H. Shalaby, S. Shaari, and M. M. N. Hamarsheh, “Interference mitigation using successive interference cancellation in optical CDMA systems,” in Proc. The 8th WSEAS Int. Conf. on Microelectronics, Nanoelectronics, Optoelectronics (MINO ’09), Istanbul, Turkey, May 30–June 1, 2009, pp. 77–81. Download a copy
T. Eltaif, H. M. H. Shalaby, S. Shaari, and M. M. N. Hamarsheh, “Performance analysis of successive interference cancellation with modified quadratic congruence and Hadamard codes for optical CDMA,” in Proc. IEEE 11th Int. Conf. on Adv. Commun. Tech. (ICACT 2009), Phoenix Park, Korea, Feb. 15–18, 2009, pp. 1885–1889. Download a copy
M. H. S. Morsy, M. Y. S. Sowailem, and H. M. H. Shalaby, “An enhanced mathematical model for performance evaluation of optical burst switched networks,” in Proc. IEEE Global Telecommun. Conf. (GLOBECOM 2008, ONS), New Orleans, LA, Nov. 30–Dec. 4, 2008, pp. 1–5. Download a copy
R. Raad, E. Inaty, P. Fortier, and H. M. H. Shalaby, “Timeslotted optical OVCDMA network using a fair QoSbased resource management algorithm,” in Proc. IEEE Global Telecommun. Conf. (GLOBECOM 2008, ONS), New Orleans, LA, Nov. 30–Dec. 4, 2008, pp. 1–6. Download a copy
K. Puntsri, S. Sittichivapak, and H. M. H. Shalaby, “Throughput/delay analysis of spectrally phaseencoded optical CDMA over WDM networks,” in Proc. The 14th AsiaPacific Conf. Commun. (APCC 2008), Akihabara, Tokyo, Japan, Oct. 14–16, 2008, pp. 1–5. Download a copy
K. Puntsri, S. Sittichivapak, and H. M. H. Shalaby, “Performance Analysis of SPEOCDMA over WDM Networks,” in Proc. Fifth Int. Conf. Elect. Eng., Comp., Telecommun., and Inform. Tech. (ECTICON 2008), Krabi, Thailand, May 14–17, 2008, pp. 345–348. Download a copy
E. E. Bedeer, H. M. H. Shalaby, E. A. ElBadawy, and S. A. Khamis, “A modified heuristic approach of logical topology design in WDM optical networks,” in Proc. Int. Conf. Comp. Commun. Eng. (ICCCE 2008), Kuala Lumpur, Malaysia, May 13–15, 2008, pp. 662–666. Download a copy
T. Eltaif, H. M. H. Shalaby, S. Shaari, and M. M. N. Hamarsheh, “Analysis of successive interference cancellation scheme using OOC code in optical CDMA systems,” in Proc. IEEE 10th Int. Conf. on Adv. Commun. Tech. (ICACT 2008), Phoenix Park, Korea, Feb. 17–20, 2008, pp. 2023–2026. Download a copy
E. Inaty, R. Raad, P. Fortier, and H. M. H. Shalaby, “MAC protocols for multirate OVCDMA system in optical packet network: A comparative approach,” in Proc. IEEE Int. Conf. Signal Proc. and Commun. (ICSPC 2007), Dubai, United Arab Emirates, Nov. 24–27, 2007, pp. 1103–1106. Download a copy
T. Eltaif, H. M. H. Shalaby, S. Shaari, and M. M. N. Hamarsheh, “Performance analysis of successive interference cancellation scheme for optical CDMA systems using modified prime sequence codes,” in Proc. SPIE/COS Photonics Asia 2007, Beijing, China, Nov. 11–15, 2007, pp. 68370Y(1–8). Download a copy
R. Raad, E. Inaty, P. Fortier, and H. M. H. Shalaby, “Hybrid power/overlap allocation scheme for a multirate overlapped optical CDMA system,” in Proc. IEEE Int. Conf. Commun. (ICC 2007), Glasgow, Scotland, June 24–28, 2007, pp. 2115–2121. Download a copy
T. Eltaif, H. M. H. Shalaby, and S. Shaari, “A novel successive interference cancellation scheme in OCDMA system,” in Proc. IEEE Int. Conf. on Semiconductor Electronics (ICSE ’06), Kuala Lumpur, Malaysia, Nov. 29–Dec. 1, 2006, pp. 299–303. Download a copy
Z. A. ElSahn, Y. M. AbdElMalek, H. M. H. Shalaby, and E. A. ElBadawy, “The R3T optical random access CDMA protocol with queuing subsystem,” in Proc. The 10th World MultiConference on Systemics, Cybernetics and Informatics (WMSCI 2006), Orlando, Florida, USA, July 16–19, 2006, pp. 18–23.
Y. M. AbdElMalek, Z. A. ElSahn, H. M. H. Shalaby, and E. A. ElBadawy, “Proposal of an optical CDMA random access protocol,” in Proc. The10th World MultiConference on Systemics, Cybernetics and Informatics (WMSCI 2006), Orlando, Florida, USA, July 16–19, 2006, pp. 1–6.
M. A. A. Mohamed, H. M. H. Shalaby, and E. A. ElBadawy, “On optical CDMA MAC protocols,” in Proc. The 2006 IEEE Int. Symp. on Circuits and Systems (ISCAS 2006), Island of Kos, Greece, May 21–24, 2006, pp. 1836–1839. Download a copy
A. G. Elmeligy, M. S. ElSowehy, H. M. H. Shalaby, and E. A. ElBadawy, “Analysis of static/dynamic 2D optical CDMA correlation and chiplevel receivers under both shot and thermal noises,” in Proc. Int. Conf. on Comp. and Commun. Engineering (ICCCE ’06), Kuala Lumpur, Malaysia, May 9–11, 2006, pp. 815–823.
R. Raad, E. Inaty, P. Fortier, and H. M. H. Shalaby, “Optical SALOHA/CDMA system for multirate applications: System architecture and performance evaluation,” in Proc. IEEE Global Telecommun. Conf. (GLOBECOM ’05), St. Louis, Missouri, Nov. 28–Dec. 2, 2005, pp. 1936–1941. Download a copy
M. M. N. Hamarsheh, M. K. Abdullah, S. Khatun, and H. M. H. Shalaby, “Wavelength modulation encoding optical code division multiple access communication system,” in Proc. MMU International Symposium on Information and Communications Technologies 2005 (M2USIC’ 05), Petaling Jaya, Malaysia, Nov. 24–25, 2005, TS08, pp. 9–11.
M. M. N. Hamarsheh, M. K. Abdullah, M. A. Mahdi, S. Khatun, and H. M. H. Shalaby, “Performance enhancement of a dynamic code division multiple access communication system by signal clipping,” in Proc. IEEE Malaysia International Conference on Communications and IEEE International Conference on Networks (MICC & ICON’05), Kuala Lumpur, Malaysia, Nov. 16–18, 2005, pp. 781–784. Download a copy
M. M. N. Hamarsheh, M. K. Abdullah, M. A. Mahdi, S. Khatun, and H. M. H. Shalaby, “Dynamic optical code division multiple access communication system analysis and performance enhancement by signal clipping,” in Proc. 1st International Conference on Computers, Communications, and Signal Processing (CCSP ’05), Kuala Lumpur, Malaysia, Nov. 14–16, 2005, pp. 125–129. Download a copy
M. M. N. Hamarsheh, M. K. Abdullah, M. A. Mahdi, S. Khatun, and H. M. H. Shalaby, “New coding scheme for codedivision multipleaccess communication system,” in Proc. The 11th AsiaPacific Conference on Communications (APCC 2005), Perth, Western Australia, Oct. 3–5, 2005.
M. M. N. Hamarsheh, M. K. Abdullah, M. A. Mahdi, S. Khatun, and H. M. H. Shalaby, “Novel coding technique for codedivision multipleaccess communication system,” in Proc. International Conference on Instrumentation Communication, and Information Technology (ICICI 2005), Bandung, Indonesia, Aug. 3–5, 2005, pp. 252–257. Download a copy
M. M. Ali, M. H. Aly, and H. M. H. Shalaby, “Wavelength reservation and traffic loading in optical burst switching network design: A comparison between different techniques,” in Proc. Third Saudi Tech. Conf. & Exhibition, Riyadh, Saudi Arabia, Dec. 11–15, 2004, pp. 272–279.
A. G. Elmeligy, M. S. ElSowehy, H. M. H. Shalaby, and E. A. ElBadawy, “Analysis of 2D optical CDMA correlation and chip level receivers under both shot and thermal noises,” in Proc. The 8th World Multiconference on Systemics, Cybernetics and Informatics (SCI 2004), Orlando, USA, July 18–21, 2004, pp. 121–123.
M. A. A. Mohamed, H. M. H. Shalaby, and E. A. ElBadawy, “Optical CDMA protocol with selective retransmission,” in Proc. Ninth IEEE Symp. on Computers and Communications (ISCC 2004), Alexandria, Egypt, June 29–July 1, 2004, pp. 621–626. Download a copy
H. M. H. Shalaby, “A proposal of an optical CDMA random access protocol,” in Proc. IEEE Int. Conf. Commun. (ICC 2004), Paris, France, June 20–24, 2004, pp. 1709–1713. Download a copy
E. Inaty, H. M. H. Shalaby, and P. Fortier, “Multiclass/multirate overlapped optical FFHCDMA system: SIR performance evaluation and cutoff rates analysis,” in Proc. IEEE Int. Conf. Commun. (ICC 2004), Paris, France, June 20–24, 2004, pp. 1714–1719. Download a copy
M. A. A. Mohamed, H. M. H. Shalaby, and E. A. ElBadawy, “Variablesize sliding window optical CDMA MAC protocol,” in Proc. The 46th IEEE Int. Midwest Symp. on Circuits and Systems (MWSCAS ’03), Cairo, Egypt, Dec. 27–30, 2003, pp. 496–500. Download a copy
A. G. Elmeligy, M. S. ElSowehy, H. M. H. Shalaby, and E. A. ElBadawy, “Effect of both shot and beat noises on the performance of a 2D optical CDMA correlation receiver,” in Proc. The 46th IEEE Int. Midwest Symp. on Circuits and Systems (MWSCAS ’03), Cairo, Egypt, Dec. 27–30, 2003, pp. 1009–1011. Download a copy
H. M. H. Shalaby, “Optical CDMA random access protocols,” in Proc. Eighth IEEE Symp. on Computers and Communications (ISCC ’03), Antalya, Turkey, June 30–July 3, 2003, pp. 907–912. Download a copy
E. Inaty, H. M. H. Shalaby, and P. Fortier, “On the cutoff rate of a variablebitrate (VBR) OFFHCDMA system,” in Proc. IEEE Int. Conf. Commun. (ICC ’02), New York, NY, Apr. 28–May 2, 2002, pp. 2927–2932. Download a copy
E. Inaty, H. M. H. Shalaby, and P. Fortier, “A new transmitterreceiver architecture for noncoherent multirate OFFHCDMA system with fixed optimal detection threshold,” in Proc. IEEE Global Telecommun. Conf. (GLOBECOM ’01), San Antonio, Texas, Nov. 25–29, 2001, pp. 1487–1493. Download a copy
X. Zhou, H. M. H. Shalaby, C. Lu, P. Shum, and T. H. Cheng, “Theoretical investigation of fiber Raman amplifier with dynamic gain control,” in Proc. IEEE/OSA Opt. Fiber Commun. Conf. (OFC ’01), Anaheim, California, Mar. 17–22, 2001, pp. wdd171–wdd173. Download a copy
X. Zhou, C. Lu, P. Shum, H. M. H. Shalaby, and T. H. Cheng, “Dynamic gain control for discrete Raman fiber amplifier,” in Proc. IEEE Conf. on Lasers and ElectroOptics, (CLEO ’01), 2001, pp. 144–145. Download a copy
H. M. H. Shalaby, “The Capacities of Optical CDMA communication channels with different codecorrelation constraints,” in Proc. IEEE Sixth Int. Symp. on Spread Spectrum Techniques & Applications (ISSSTA ’00), New Jersey, Sept. 6–8, 2000, pp. 179–183. Download a copy
X. Zhou, H. M. H. Shalaby, and C. Lu, “Design and performance analysis of a new code for spectralamplitudecoding optical CDMA systems,” in Proc. IEEE Sixth Int. Symp. on Spread Spectrum Techniques & Applications (ISSSTA ’00), New Jersey, Sept. 6–8, 2000, pp. 174–178. Download a copy
H. M. H. Shalaby, “Throughput and efficiency capacities of optical OOKCDMA communication systems,” in Proc. Fifth IEEE Symp. on Computers and Communications (ISCC ’00), Antibes, France, July 4–6, 2000, pp. 711–716. Download a copy
H. M. H. Shalaby, “Complexity and performance comparisons between optical OOKCDMA chiplevel receivers and doubleopticalhardlimiters correlation receivers,” in Proc. IEEE/OSA Opt. Fiber Commun. Conf. (OFC ’00), Baltimore, Maryland, Mar. 5–10, 2000, pp. 347–349. Download a copy
H. M. H. Shalaby, “Optimum characterization of the maximum users size in optical PPMCDMA communication systems,” in Proc. Int. Conf. on Information, Communications & Signal Processing (ICICS ’99), Singapore, Dec. 7–10, 1999.
H. M. H. Shalaby, “Chiplevel receivers in optical overlapping PPMCDMA,” in Proc. IEEE Fifth Int. Symp. on Spread Spectrum Techniques & Applications (ISSSTA ’98), Sun City, South Africa, Sept. 2–4, 1998, pp. 907–911. Download a copy
H. M. H. Shalaby, “Optical CDMA with overlapping PPM,” in Proc. IEEE Int. Conf. Commun. (ICC ’98), Atlanta, Georgia, June 7–11, 1998, pp. 1274–1278. Download a copy
H. M. H. Shalaby and E. A. ElBadawy, “A characterization of the users strength in optical PPMCDMA channels,” in Proc. 1998 Int. Wireless and Telecommun. Symp. (IWTS ’98), Shah Alam, Malaysia, May 1115, 1998, pp. 296–299.
H. M. H. Shalaby, M. A. Mangoud, and S. Elkhamy, “A new interference cancellation technique for synchronous CDMA communication systems using modified prime codes,” in Proc. IEEE Symp. on Computers and Communications (ISCC ’97), Alexandria, Egypt, July 1–3, 1997, 556–560. Download a copy
H. M. H. Shalaby, “Maximum achievable number of users in optical PPMCDMA,” in Proc. 1997 Int. Symp. Inform. Theory (ISIT ’97), Ulm, Germany, June 29–July 4, 1997. Download a copy
H. M. H. Shalaby, “Modified prime sequences in optical CDMA interference cancellation,” in Tech. Prog. 1997 Int. Wireless and Telecommun. Symp. (IWTS ’97), Shah Alam, Malaysia, May 1416, 1997.
H. M. H. Shalaby, “Optical CDMA with interference cancellation,” in Proc. IEEE Fourth Int. Symp. on Spread Spectrum Techniques & Applications (ISSSTA ’96), Mainz, Germany, Sept. 22–25, 1996, pp. 590–594. Download a copy
M. A. Mangoud, H. M. H. Shalaby, and H. ElSabagh, “Equal weight code sequence per slot for optical PPMCDMA communication systems,” in Proc. IEEE Fourth Int. Symp. on Spread Spectrum Techniques & Applications (ISSSTA ’96), Mainz, Germany, Sept. 22–25, 1996, pp. 63–67. Download a copy
M. Tayel, H. M. H. Shalaby, and H. Saleh, “Adaptive arabic handwritten letter recognition by a layered selforganization neural network,” in Tech. Prog. 1996 Midwest Symposium on Circuits and Systems, Ames, Iowa, Aug. 1821, 1996.
H. M. H. Shalaby and E. A. Sourour, “Cochannel interference cancellation in optical synchronous CDMA communication systems,” in Proc. IEEE Third Int. Symp. on Spread Spectrum Techniques & Applications (ISSSTA ’94), Oulu, Finland, July 4–6, 1994, pp. 579–583. Download a copy
H. M. H. Shalaby, “Performance comparison of number and coherentstate optical CDMA in lossy directdetection photon channels,” in Proc. IEEE Third Int. Symp. on Spread Spectrum Techniques & Applications (ISSSTA ’94), Oulu, Finland, July 4–6, 1994, pp. 574–578. Download a copy
H. M. H. Shalaby, “Efficient use of overlapping PPM channels under practical constraints,” in Tech. Prog. Int. Conf. on Applications of Photonic Technology Sensing, Signal Processing, and Communications (ICAPT ’94), Ontario, Canada, June 21–23, 1994.
H. M. H. Shalaby, “Capacity and cutoff rate for optical overlapping pulseposition modulation channels,” in Proc. IEEE Int. Conf. Commun. (ICC ’94), New Orleans, LA, May 1–5, 1994, pp. 670–674. Download a copy
H. M. H. Shalaby, “Lower bounds on optical overlapping PPM channel capacity and efficient use of the channel under practical constraints,” in Tech. Prog. 28th Ann. Conf. Inform. Sci. Syst. (CISS ’94), Princeton, NJ, Mar. 16–18, 1994.
H. M. H. Shalaby, “Performance analysis of optical CDMA communication systems with PPM signaling,” in Proc. IEEE Global Telecommun. Conf. (GLOBECOM ’93), Houston, Texas, Nov. 29–Dec. 2, 1993, pp. 1901–1905. Download a copy
H. M. H. Shalaby, “Performance of uncoded overlapping PPM under communications constraints,” in Proc. IEEE Int. Conf. Commun. (ICC ’93), Geneva, Switzerland, May 23–26, 1993, pp. 512–516. Download a copy
H. M. H. Shalaby, “Bounds on optical overlapping PPM channel capacity and efficient use of the channel under practical constraints,” in Tech. Prog. 1992 Bilkent Int. Conf. on Lightwave Technology and Communications (BILCON ’92), Ankara, Turkey, July 27–28, 1992.
H. M. H. Shalaby and A. Papamarcou, “Error exponents for distributed detection with feedback,” in Proc. 1991 Int. Symp. on Inform. Theory (ISIT ’91), Budapest, Hungary, June 23–29, 1991. Download a copy
H. M. H. Shalaby and A. Papamarcou, “Error exponents for distributed detection of Markov sources,” in Proc. 25th Ann. Conf. Inform. Sci. Syst. (CISS ’91), Baltimore, MD, Mar. 20–22, 1991, pp. 293–298.
H. M. H. Shalaby and A. Papamarcou, “A converse theorem for a class of multiterminal detection problems,” in Proc. 1990 Int. Symp. Inform. Theory (ISIT ’90), San Diego, USA, Jan. 14–19, 1990.
E. A. ElBadawy, E. A. Youssef, and H. M. H. Shalaby, “PPM performance using a concatenated code over an optical RFrelay Link,” in Tech. Prog. 1985 Annual Meeting of the Optical Society of America, Washington D.C., Oct. 14–18, 1985.
Last updated: March 1, 2014.