Communications and Signal Processing Research Lab

1. Malak Z. Habeib, Hussein A. Elsayed, SalwaH. Elramly and Magdy M. Ibrahim, "Heterogeneous Networks Handover Decision Triggering Algorithm Based on Measurements Transfer Using IP Option Header". The Seventh Conference on Wireless and Mobile Communications ICWMC2011, pp. 254-259, June 19-24, 2011, Luxembourg.

2. W. A. Aziz, S. H. EL-Ramly, M. M. Ibrahim  "Voice over IP (VoIP) Quality Optimization in IP-Multimedia Subsystem (IMS)", has been accepted for ORAL PRESENTATION (Networking and QoSSession) at the 2011 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, 8-10 June 2011 at FraunhoferInstitute, Erlangen, Germany.

3. Asmaa Saafan, Hesham ElBadawy and Salwa Elramly. "An Optimal Value of Muti-Threshold in the Bandwidth Reservation Scheme of Integrated Services Over Wireless Networks". Proc. of 28^th. National Radio Science Conference (NRSC2011), March 15-17, 2011.

4. W. A. Aziz, S. H. EL-Ramly, M. M. Ibrahim   "A Theoretical Model to Calculate the Bandwidth of IMS Session Establishment", ISMS2011. 2^ndInternational Conference on Intelligent Systems, Modeling and Simulation, Kuala Lumpur, Malaysia, Monday 24 January 2011 and Phnom Penh, Cambodia, Thursday and Friday 27 and 28 January 2011.

5. Asmaa Saafan Saafaan, Hesham ElBadawy and SalwaElramly,"Multi-Threshold Bandwidth Reservation Scheme of Integrated Services Over Heterogeneous Wireless Networks". WCSN-2010, 15-19 December 2010.

6. Sherif Welsen Shaker, and Salwa Hussien El Ramly. "Design and Implementation of Adaptive Turbo Encoder for Quantized Software Defined Low-Power DVB-RCS Radios",TELFOR Journal, ISSN:1821-3251. "inpress".

7. Ahmed Hassan, Fatma Elhefnawy, Atef Z. El Sherbini, Moataza Hendi and SalwaElramly, "Compact Cicularly-Polarized Microstrip Array Antenna". To appear in the Journal of Microwave and Optical Technology Letters, John Wiley& Sons.

8. AdelGaafar A.Elrahim, Hussein A. Elsayed, Salwa H. Elramly, Magdy M. Ibrahim “A new Routing Protocol for Mobolity in Wireless Sensor Networks”, Cyber Journals: Multidisciplinary Journals in Science and Technology, Journal of Selected Areas in Telecommunications (JSAT), February Edition, 2011.

9. AdelGaafarA.Elrahim, Hussein A. Elsayed, SalwaH. Elramly, MagdyM. Ibrahim “An Energy Efficient Routing Protocol  Approach for Wireless Sensor Networks”, In IEEE Proceedings of the 8^th International Conference on Computer as a Tool (EuroConand ConfTele), April. 27 - 29, 2011, Lisbon, Portugal.

10. Hussein ElAttar, Hussein Abdelaty, Salwa H. ElRamly, Mohamed A. Aboul-Dahab. “PHY-MACCross Layer Issues for QoS Provisioning in Wireless Ad Hoc Networks”.  In Proceedings of the Eighth International Conference on Information Technology: New Generations (ITNG’11), pp.100-105, Las Vegas, Nevada USA. April 2011.

11. Adel Gaafar A.Elrahim, Hussein A. Elsayed, Salwa H. Elramly, Magdy M. Ibrahim “An Energy Aware Routing Protocol for Mixed Static and Mobile Nodes in Wireless Sensor Networks”, SpringSim'11,14th Communications and Networking Symposium (CNS'11), April 4 - 9, 2011, Boston, MA, USA.

12. Hussein ElAttar, Hussein Abdelaty, Salwa H. ElRamly, Mohamed A.Aboul-Dahab. “PHY-MAC Cross-Layer Optimized Design for Power Conservation in Wireless Ad Hoc Networks”.The Fourth IFIP International Conference on New Technologies, Mobility and Security (NTMS2011), PARIS, FRANCE. February 2011.

13. Adel Gaafar A.Elrahim, Hussein A. Elsayed, Salwa H. Elramly“Performance Evaluation of Energy Efficient Routing Protocols for Wireless Sensor Networks” International Conference on Signals, Systems and Automation ICSSA-2011, Jan. 24-25, 2011 VallabhVidyanagar, India.

14. Albashir Adel Mohamed, Maha Elsabrouty & SalwaH. Elramly, "Bootstrapped Low Copmlexity Iterative Decoding Algorithms for Low Density Parity Check (LDPC) Codes". Mobilware2010, LNICST48, Chicago, USA, pp. 377-389. Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (2010).

15. AdelGaafar A.Elrahim, Salwa El Ramly, Hussein A.Elsayed, MagdyM.  Ibrahim, "Performance Evaluation of Routing Protocols for Wireless Sensor Networks," Al-Azhar Engineering Eleventh International Conference, AEIC2010, pp291-303, Dec. 21-23, 2010, Cairo, Egypt.

16. AdelGaafar A.Elrahim, Hussein A. Elsayed, Salwa H. Elramly, Magdy M. Ibrahim “An Energy Aware WSN Geographic Routing Protocol”, Universal Journal of Computer Science and Engineering Technology, pp105-111, Nov. 2010.

17. Hussein El-Attar, Hussein Abdelaty, SalwaH. Elramly and Mohamed A. Aboul-Dahab, "Lifetime Maximization for Wireless Ad Hoc Networks Using Power Aware Routing". UKSim4^th European Modelling Symposium on Mathematical Modelling and Computer Simulation, Pisa, 17-19 November 2010.

18. Ahmed Hassan, Fatma Elhefnawi, Atef Z. Elsherbeni, Moataza Hendi, Salwa   Elramly, “Compact Circularly-Polarized Microstrip Array Antenna”, IEEE LAPC,  Loughborough University, UK, November 8-9, 2010.

19. W. A. Aziz, S. H. EL-Ramly, M. M. Ibrahim "Capacity Measurement for IP-Multimedia Subsystem (IMS) Controllers", CIMSIM2010. Second International Conference on Computational Intelligent, Modeling and Simulation, Bali 28-30 September 2010.

20. Wagdi A. Aziz, Salwa H. Elramly and Magdy Ibrahim, "VoIP Quality Optimization in IP-Multimedia Subsystem (IMS)", The 2^nd International Conference on Computational Intelligence, Modeling and Simulation ( CIMS2010), Balli, 28-30 September, 2010.

21. Albashir Adel Mohamed, Maha Elsabrouty & Salwa H. Elramly, "Bootstrapped Iterative Decoding Algorithms for Low Density Parity Check (LDPC) Codes".Canadian Journal on Electrical& Electronics Engineering, Vol. 1, No. 1, pp. 10-14, February 2010.

22. Albashir Adel Mohamed, Maha Elsabrouty & Salwa H. Elramly, "Bootstrapped Iterative Decoding Algorithms for Low Density Parity Check (LDPC) Codes".Fifth International Conference on Systems& Networks Communication, 22-27 August 2010, Nice, France.

23. Bassant A.M. Ahmed, Mirette M. Sadek and SalwaH. Elramly, "Channel Estimation for Alamouti Coded OFDM Over Time Variant Channel with Different   Receivers", Fifth International Conference on Systems& Networks Communication, 23-25 August 2010, Nice, France.

24. Ibraheem M. Fayed, Mohsen M. Tantawy, Hesham M. Elbadawy and Salwa    Elramly, "Retransmission Time Out Probability for TCP-based Applications OverHSDPA+". Proc. of the World Scientific and Engineering Academy and Society, 14^th WSEAS International Conference on communications, pp.189-196, Corfu Island, Greece, July 23-25, 2010.Also accepted in the 4^th International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies, UBICOMM2010, Florence, Italy, October 23-25, 2010.

25. Ahmed Hassan, Fatma Elhefnawi, Atef Z. Elsherbeni, Moataza Hendi, Salwa Elramly,  “Compact Dual Circularly-Polarized Microstrip Antennas”, IEEE AP-S/URSI, Toronto, Ontario, Canada, July 11-17, 2010.

26. Wagdi A. Aziz, SalwaH. Elramly and Magdy Ibrahim, "IP- Multimedia System (IMS) Performance Evaluation and Benchmarking". IEEE Region 8 International Conference on Computational Technologies in Electrical and Electronics Engineering SIBIRCON- 2010, 11-15 July 2010, Irkutsk, Russia.

27. W. A. Aziz, S. H. EL-Ramly, M. M. Ibrahim ,  M. M. Tantawy, "Capacity Measurement for IP-Multimedia   Subsystem (IMS)  Controllers" Ain Shams Journal of Electrical Engineering (A S J E E) , Vol (1), pp: 83-89, June 2010.

28. W. A. Aziz, S. H. EL-Ramly, M. M. Ibrahim, M. M. Tantawy   "Voice over IP (VoIP) Quality Optimization in IP-Multimedia Subsystem (IMS)" Ain Shams Journal of Electrical Engineering (ASJEE), Vol(1), pp:31-42, June 2010.

29. W. A. Aziz, S. H. EL-Ramly, M. M. Ibrahim , M. M. Tantawy, "IP-Multimedia Subsystem (IMS) Performance Evaluation and Benchmarking" Ain Shams Journal of Electrical Engineering (A S J E E), Vol (1), pp: 11-20, June 2010.

30. Ibraheem M. Fayed, Mohsen M. Tantawy, Hesham M. Elbadawy and SalwaElramly, "Rate Adaptation Impact on TCP Services Over Finite Buffer Size HSDPANetworks". Canadian Journal on Multimedia& Wireless Networks, Vol.1, No. 1, February 2010. Also, accepted International Conference on Computer and Communication Engineering ICCCE2010, Malaysia, May 11-13, 2010.

31. A. N. Omara, S. M. Abdel-Kader, S. H. Eissa and S. Elramly, "A Prioritized Access Point Algorithm for 802.11b Networks in a Lossy Environment". Journal of computing, Vol. 2, Issue 5, pp. 53-65, May 2010.

32. Ahmed Ibrahim Hassan, MahaElsabrouty and Salwa Elramly, "Modeling Reliability in Wireless sensor Networks". Proc. of the 7^th ICEENG Conference, 25-27 May, 2010, Cairo, Egypt.

33. BassantA. M. Ahmed, Mirette M. Sadek, SalwaH. Elramly, "Analysis and  Simulation for Alamouti Coded OFDM System Over Time Variant Channel". 27th National Radio Science Conference(NRSC-2010), March 16-18, 2010, Menouf,  Egypt.

34. Riham Abellatif, Heba Aslan and SalwaH. Elramly, "New Real Time Multicast Authentication Protocol".  International journal of Network Security, Vol.12, No.1, 2011, pp. 18-25. Journal URL http://ijns.femto.tw/

35. Ahmed Ibrahim Hassan, Maha Elsabrouty and Salwa Elramly, "Energy-Efficient Routing in Variable-Power Wireless Sensor Networks". 27th National Radio Science Conference(NRSC-2010), March 16-18, 2010, Menouf, Egypt.

36. A. N. Omara, S. M. Abdel-Kader, S. H. Eissa and S. Elramly, "Enhancing the WiFi Performance Within the Error-Prone Channels". The Meditrannean Journal of Computers and Networks, Vol.5, No.2, 2009, pp.68-78. United Kingdom.

37. Sherif Welson Shaker, Salwa Hussein Elramly and Khaled Ali Shehata, "FPGA Implemation of a Reconfigurable Viterbi Decoder for WiMAX Receiver". 21st IEEE ICM2009, Marrakech, Morocco, 19-22 December 2009.

38. Sherif Welson Shaker, SalwaHussein Elramlyand KhaledShehata, "Design and Implementation of Low Power Turbo Encoder for DVB-RCSSoftware Radio". 17th Telecommunications Forum 2009 'TELEFOR'2009, Belgrade, Serbia, 24-26 November 2009.

39. Sherif Welson Shaker, Salwa Hussein Elramly and Khaled Ali Shehata, "FPGA Implementation of a Configurable Viterbi Decoder for Software Radio Receiver". IEEE 44th AUTOTESTCON2009, Anaheim, California, USA, 14-17 September, 2009.

40. Reem H.Abdelhadi, Hesham  M.Elbadawy, SalwaH. El-Ramly,  " A Unified Approach for  Performance Analysis in Mobile WiMAX Networks with Adaptive Modulation and Coding Schemes Over Rayleigh Fading Channels", 20th International IEEE Symposium on Personal, Indoor and Mobile Radio Communications, 13-19 September  2009, Japan.

41. M. Ismail Muhammad, AbdelAziz M Elbassiony and S. H. Elramly, "Exact Analysis of PCC-OFDM Subjected to Carrier Frequency Offset Over Nakagami-Fading Channel". The Fifth International Conference on Wireless & Mobile Communications (ICWMC'2009), 23-29 August,2009, CANNES, France.

42. Sherif Welson  Shaker, Salwa Hussein Elramly and Khaled Shehata, "Implementation of a Generic- configurable Viterbi Decoder on FPGA for Software Defined Radio". IEEE Regional Symposium on Microelectronics, RSM2009, KotaBahru, Malysia, 10-12 August 2009.

43. H. Sliman, M. El-Sharkawy, M. Rizkalla and S. Elramly, "Improving VC-1 In Loop Deblocking Filter", International Conference on Image Processing’’, Computer Vision and Pattern Recognition (IPCV'09: WORDCOM09), July 13-16, 2009, Las Vegas, USA.

44. Reem H. AbdelHadi, Hesham Elbadawy and Salwah. Elramly, "Performance Assessment For Different Deployment Scenarios of Mobile WiMAX Networks".AinShams Journal of Electrical Engineering, Vol.1, PP.65-76, June 2009.

45.Visal Kith, Mohamed El-Sharkawy, Tonya Bergeson-Dana, Salwa Elramly and Said Elnoubi, “A Feature and Appearance Based Method for Eye Detection on Gray Intensity Face Images”. The International Conference on Computer Engineering and Systems, ICCES’08, Nov.2008, Cairo, Egypt.

46. Salwa H. Elramly and Ramy F. TakiEl-Din, “Fractal Image Compression Applied on Document Images”, Proc. of the Eighth Conference on Language Engineering, 17-18 December, 2008, Cairo, Egypt.

47.Ahmed R. El-Barkouky, Salwa H. Elramly and Mohamed Hassan, “Egyptian Licence Plate Recognition System Using DWT and Template Matching”. Proc. of the Eighth Conference on Language Engineering, 17-18 December, 2008, Cairo, Egypt.

48. Khaled A. Shehata, Mohamed A. Aboul-Dahab, SalwaH. Elramly and Karim A. Hamouda, “An FPGA Based 1-Bit All Digital Transmitter Employing Delta- Sigma Modulation with RF Output for SDR”. The International Conference on Signals, Circuits and Systems, 7-9 November, 2008, Tunis.

49.R. Abdellatif, H.Aslan and Salwa Elramly,“ Efficient Multicast Packet  Authentication Using True Random Number Generator”,  Ain Shams Journal of Electrical Engineering, Vol. 1, pp. 35-46, June, 2008

50. R. Abdellatif, H. Aslan and Salwa Elramly, “New Real Time Multicast Authentication Protocol”, The International Conference on Computer Engineering and Systems, ICCES’08, Nov.2008, Cairo, Egypt.

51. Sherif Welson Shaker, Salwa Elramly and Khaled Ali Shehata, "FPGA Imlementation of a Digital Synthesizer for Phase Synchronizer in Software Radio Receiver”, Proc. Of the 6^th International Conference on Electrical Engineering ICEENG-2008, May 27-29,2008, Cairo, Egypt.

52. Salwa Elramly, BahaaEldeen Hassan, Ghada Farouk, Fatma Elzahraa Foad and Iman Mohamed Adelwahaa, “FPGA Implementation of Telecommand Authentication Layer Based on ESA Standard”, 2^nd International Conference on Advanced Control Circuits and Systems(ACCS’08), March 30-April 2, 2008, Cairo, Egypt.

53. Ghada Farouk Naiem, Salwa Elramly, BahaaEldeen Hassan and Khaled Shehata, “FPGA Implementation of RSA Processor”, 2^ndInternational Conference on Advanced Control Circuits and Systems(ACCS’08), March 30-April2, 2008, Cairo, Egypt.

54. Michael N. AbdEl-Massih, Mohammed M. AbdElAziz and SalwaElramly, “Using Turbo Codes With Layered Space Time Coding for MIMO Wireless System”, Proc. Of 25^th National Radio Science Conference NRSC’2008, 18-19 March 2008, Tanta,Egypt.

55. GhadaFaroukNaiem, SalwaElramly, BahaaEldeenHassan, KhaledShehata, “An Efficient Implementation of CBCmodeRijndealAES on an FPGA”, Proc. Of 25^th National Radio Science Conference NRSC’2008, 18-20 March 2008, Tanta, Egypt.

56. Sami A. Mostafa, S.H. Elramly and Meriam K. Raghe,  "Adaptation of Angle-of-Arrival Estimation in Mobile Communications Using Geometrically Based Channel Models", Scientific Bulletin of Faculty of Engineering AinShams University, Vol.42, No.2, pp. 637-647, June 30, 2007.

57. Salwa Elramly and Ghada Kdr, “Communication Subsystem for Remote Sensing Satellites”, Proc. Of the Twelvth International Conference on Aerospace&Aviation Technology, ASAT-12, May, 2007, Cairo, Egypt.

58. Salwa  Elramly, “ Modern Communication Systems”, Invited Paper in the 16^th Conference of the Mechanical Engineering, 21-24 March,2007, Alexandria, Egypt.

59.Ahmed I. El-Rafai and Salwa H. El-Ramly, “Segmentation and Recognition of Arabic Off-line Typewritten Text”, Sixth Conference on Language Engineering, Dec. 6-7, 2006, Cairo, Egypt .

60. A. I. El-Rafei, S. El-Ramly and A. Shukry,  “A Wavelet Approach to Arabic Character Recognition”, p. A-24, Wavelets and Applications ‘Wave 2006’, EPFL, Lausanne, Switzerland, July 2006.

61. Salwa Elramly, “Adaptive Techniques in Frequency and Time Domain Equalizers”, The Second URSI-Egypt Workshop on Signal Processing, January 17,2006, NTI, Cairo, Egypt.

62. Ahmed I. El-Refei and Salwa Elramly, “Arabic Off-line Cursive Handwriting Segmentation”, the Fifth Conference on Language Engineering, Sept. 14-15, 2005, Cairo, Egypt.

63. O. El-Ghandour, S.H. Elramly and Mohamed Fikry, “ Performance and Quality of Service Management”. The 10^th IFIPInternational Conference on Personal Wireless Communications PWC’05, August 25-27,2005, Colmar, France.

64.S.H. Elramly and H. El-Attar, “Proposed Techniques to Increase Capacity of  Mobile Communications Systems Without Increasingthe EM Radiation Level”, Proc. Of the 1^stAin Shams International Conference on Environmental Engineering, April 9-11, 2005, Cairo, Egypt.

65. S.H. Elramlyand H. El-Attar, “ Practical Field Measurements for Evaluating Radiation from Mobile Base Stations”, Proc. Of 1^stAinShams International Conference on Environmental Engineering, April 9-11,2005, Cairo, Egypt.

66. O. ElGhandour S.Elramly and E. Naguib, “ Cost Evaluation Over Wireless Networks Using Internet Protocol”, Proc. Of the 3^rd International Conference on Informatics and Systems, 19-22 March 2005, Cairo, Egypt.

67. Mahmed ElGhazoly and SalwaElramly, “ New Proposed AlgorithmsTKIP Algorithms”, Proc. Of the 3^rd International Conference on Informatics and Systems, 19-22 March 2005, Cairo, Egypt.

68. O. El-Ghandour, S.H.Elramly and E. Naguib, “ Mobility Support of QoS over Ipv6 Based Handover for Mobile WLANs”. Proc. Of the 22^nd National Radio Science Conference  (NRSC’2005), March 27,2005, Cairo, Egypt.

69. O. El Ghandour, S. Elramly and Mohmed Fikry, “Performance Analysis of General Packet Radio Service”, The First International Computer Engineering Conference: New Technologies for the Information Society, ICENCO-2004, Dec. 27-30,2004, Cairo, Egypt.

70. O. ElGhandour, S. H. Elramly and E. Naguib,“Performance Analysis for Handover Management Techniques Over Mobile IPv6Networks”, The 2004 International Conference on Electrical, Electronics, and Computer Engineering ( ICEEC’04), Sept. 5-7,2004, Cairo, Egypt.

71. M. Abdel-Aziz and S.H.Elramly, “The Performance of a Multistage Quasi-Orthogonal Minimum Output Energy Multiuser Detector for Convolutionally Coded CDMA Systems in Multipath Environment”, RAWCON’04, September 2004, Atlanta Georgia, USA.

72. M. Abdel-Aziz and S. H. Elramly, “Performance Analysis of a Multistage Quasi-orthogonal Minimum Output Energy MultiuserDetector for Turbo Coded CDMA Systems in MultipathEnvironment”, International IEEE Vehicular Technology Conference 2004,VTC’04, Sebtember2004, Los Angeles, USA.

73. M. Abdel-Aziz and S. Elramly, “ The performance of a quasi-orthogonal minimum output energy multiuserdetector for convolutionallycoded CDMA systems in multipathfading”, International Conference on Electrical, Electronics and Computer Engineering ICEEC’04,5-7 September 2004, Cairo-Egypt.

74. S. Elramly and Hussein El Attar, “ GSM Base Station Antenna Model for Evaluating Human Exposure”, 2004 International Conference on Electrical, Electronics and Computer EngineerinThe g (ICEEC’04), Sept.5-7,2004, Cairo-Egypt.

75. S. Elramly, A. Tawfik and M. Masoud, “ A Rate Deterimination Algorithm for Variable-Rate Speech Coder“ The 2004 International Conference on Electrical, Electronics and Computer Engineering (ICEEC’04), Sept.5-7,2004, Cairo-Egypt.

76. Meriam K. Ragheb, S.H. Elralmly and Sami Mostafa, “ DOA Estimation using The LMSand The CMA Algorithms In A Macrocell Enviroment Modeled By the GBSBCM”, Proc. Of the 21^st National Radio Science Conference, March 16-18 2004, Cairo, Egypt.

77. S.H. Elramly and Meriam K. Regheb, “ DOA Estimation Using Smart Antennas In Wireless Communication Systems” Invited Paper in the First Egyptian American Workshop of Research and Development in the field of Wireless Telecommunications Technology 14-15 January 2004. Cairo, Egypt.

78. M. Sadek, S. El-Ramly & A. Tawfik, “ An Enhanced Variable Rate CELP Speech Coder”, 2003 IEEE pacific conference on Communications, Computers and Signal Processing (PA CRIM2003) August 28-30,2003 University of Victoria,B.C, Canada.

79. M.M. AbdElAziz, N. Elnady & S. Elramly, “ Modified Adaptive Multi-user Detector for MC-CDMA Systems” Proc. Of Mediterranian Microwave Symposium MMS 2003, 6-8 May 2003, Ain Shams University, Cairo,Egypt.

80.John F.Hanna, Salwa H. Elramly, Hani A. Ghali“ Optimum Parameters for Direction of – Arrival (DOA)  Estimation Techniques”,Proc. Of MediterranianMicrowave Symposium MMS 2003, 6-8 May 2003, Ain Shams University, Cairo,Egypt.

81. Miriam K. Ragheb, S.H. Elramlyand Sami Mostafa, “ The Effect of Varying The Input Parameters On The Performance Capabilities of Three Different DOA Estimation Algorithms Using Smart Antennas”, Proc. Of the 20^th National Radio Science conference, March 18-20,2003,Cairo,Egypt.

82. Mohsen M. Abd-ElMoniem, SalwaH. Elramly & Bahnassy M. Nossier, “ Direct Delivery of Internet Services to Users By LEO Satellite, “ Menoufia Electronic Engineering Bulletin January 2003 .

83. Hisham M. El BADAWY, Salwa H. El Ramly & Bahnasy M. Nosseir, “ Performance Evaluation of soft Hand off strategies for Finite Buffer CDMA cellular Networks”, Prof. Of the 2002 International Arab Conference on Information Technology (ACIT2002)vol.2,pp.839-845, University of Qatar,2002

84. M. Sadek, S. H. Elramly& AymanTawfik“A New CELPCoder for Wireless Communication”, Proc. Of the DSP2000 conference, 1-3 July 2002, Santorini, Greece.

85. S. H. Elramly, N. S. Abdel-Kader, & ReemEl-Adoui“ Neural Networks Used for Speech Recognition,” Proc. Of 19^th National Radio Science Conference NRSC’2002 , March 19-21,2002 pp.200-207.

86. M. M . AbdElmoniem, S.H. Elramly, and B.M. Nosseir“ Performance Evaluation for short messages sent from mobile users to LEO satellite”, proc. Of the 1^st International Symposium on Signal Processing and Information Technology, Dec. 28-30, 2001, Cairo, Egypt pp.

87. O.A.G. Ibrahim , S.H. EL-Ramly & N.S. Abdel-Kader, " A  Model of FO Contour for Arabic Affirmative and Interrogative Sentences" , Proc. of the 7^th . Eurospeech. 2001 conference  Sept.3-72001 DENMARK.

88. M. Mokhtar, A. Gamil, H. El-Henawy, S. EL-Ramly, " Arbitrary Spherical Array in Superresolution Direction Finding Systems", Proc. of the 18^th . NRSC2001 conference  Mansoura, EGYPT , March 2001 pp. 97-104.

89. S. H. EL-Ramly, T. EL-GARF & H. Soliman, " Dynamic Generation of S- Boxes in Cipher Systems” , Proc. of the 18^th . NRSC2001 conference  Mansoura, EGYPT , March 2001, pp. 389-388.

90. A. Gamil, M. Mokhtar & H. EL-Henawy, S. EL-Ramly, " Direction of Arrival Estimation Techniques Using Arbitrary Array"AL- Azhar Engineering Sixth International Conference September 1-4, 2000.

91. H. ELRamly & Sami Mostafa, " Random Pulse Train Signals in Long Range Radar Systems" ,  Proc. of ICSPAT, Dallas Oct. 16-19 , 2000.

92. Omar Gamal El-Din Ibrahim and Salwa H El-Ramly, “Study of F_o Contours for Egyptian Arabic Uterances”, Proc. of the 2^nd Conference on Language Engineering, April 1999, Cairo, Egypt.

93. N.M. Hosny, S.H. El-Ramly & M.H. El-Said, “Novel Techniques for Speech Compression using Wavelet Transform”, Proc. of 11^th International Conference on Microelectronics ICM’99, 22-24 Nov. 1999 KUWAIT, pp. 225-229.

94. Rand El-Kuatly & Salwa H. El-Ramly, “Improving Temporal Resolution by Using Lagrange Interpolation Filter (LIF)”, Proc. of the 11^th International Conference on Microelectronics ICM’99, 22-24 Nov. 1999 KUWAIT, pp. 231-234.

95. Salwa H. El-Ramly, Sayed AbdEl-Hadi, and Ibrahim M. El-Emary, “a Powerful Simulation Technique Suitable for Performance Studies of VariousCSMA/CD LANs”, Proceedings of the 16^th National Radio Science Conference “NRSC’99”, Cairo, Egypt, Feb. 1999.

96. Salwa H. El-Ramly, Sayed AbdEl-Hadi, and Ibrahim M. El-Emary, “Comparative Studies of Retransmission Control Strategies in CSMA/CD LANs”, scientific Bulletin, Ain Shams University, Faculty of Engineering, vol.34, no.1, Mar. 1999.

97. Salwa H. El-Ramly, Sayed A. Hadi, and Ibrahim M. El-Emary, “An Adaptive P-Persistent Protocol  for Performance Improvement of CSMA/CD LANs”, Scientific Bulletin, Ain Shams University, Faculty of Engineering, vol.33, no.4, Dec. 1998.

98. Mahmoud A. Mousa, Bahnasy M. Nossier, and Salwa, H. El-Ramly, “Performance of the Buffered and Unbuffered Leaky Bucket Policing Mechanism and Used Feedback Control Loop in ATM Networks”, Proceedings of the 16^th National Radio Science Conference “NRSC’99”, Cairo, Egypt, 1999.

99. Rand El-Kouatly, and Salwa H. El-Ramly, “Low Bit Rate Line Spectrum Pair Quantizerwith Application to Speech Coding”, Proceedings of the 16^th National Science Conference “NRSC’99”, Cairo, Egypt, 1999.

100. Eweda Eweda, Waleed M. Younis, and Salwa H. El-Ramly, “Round off Error Analysis of the Tracking Performance of the Block LMS Algorithm”, Proceedings of the 16^th National Radio Science Conference “NRSC’99”, Cairo, Egypt, 1999.

101. Eweda Eweda, and S. El-Ramly, “Reducing the Effect of Finite Wordlength on the Performance of an LMS Adaptive Filter”, Proc. of IEEE International Conference on Communications, Atlanta, GA, May 1998.

102. Eweda Eweda, Waleed M. Younis, and Salwa H. El-Ramly, “Round off Error Analysis of the Signed Regressor Algorithm for Nonstationary Adaptive Filtering”, Proceedings of the first International Conference on Electrical Engineering, Military Technical College, Cairo, Egypt, 1998.

103. Eweda Eweda, Waleed M. Younis, and Salwa H. El-Ramly, “Tracking Performance of a Quantized Adaptive Filter with the Sign Algorithm”, European Journal of Signal Processing EURASIP, Vol.69, Issue 1, 1998.

104. Hesham M. El-Badawy and SalwaH. El-Ramly,  “Effect of Finite Buffer Capacity on the Performance of ATM Networks”, Proc. of the 15^th National Radio Science Conference NRSC’98, Feb. 1998, Cairo, Egypt.