Chaim Ziegler

Education:

Ph.D., University Center & Graduate School - 1978 (Electrical Engineering)

Books and Publications

Ziegler, C. and G. Weiss. "A Hierarchial Architecture for Multimedia Conferencing on LANs" (invited paper). Proceedings of the Fourth ISMM/IASTED Conference on Parallel and Distributed Computing and Systems, October: 276-80. (Books and Publications: Article (Peer-reviewed)) 1991

Ziegler, C. and G. Weiss. "A Comparative Analysis of Implementation Mechanisms for Packet Voice Conferencing." Proceedings of IEEE INFOCOM '90, June: 1062-70. (Books and Publications: Article (Peer-reviewed)) 1990

Ziegler, C. and G. Weiss. "Mechanisms for Integrated Voice and Data Conferencing." Proceedings of the ACM SIGCOMM '90 Symposium, September: 100-07. (Books and Publications: Article (Peer-reviewed)) 1990

Ziegler, C. and G. Weiss. "Multimedia Conferencing on Local Area Networks." IEEE Computer, September: 52-61. (Books and Publications: Article (Peer-reviewed)) 1990

Ziegler, C. and E. Friedman. "Packet Voice Communications Over PC-based Local Area Networks," IEEE Journal on Selected Areas in Communications 7.2, February: 211-18. (Earlier version in Conference Record of the 1986 ACM Conference on Personal and Small Computers, December: 103-09.) (Books and Publications: Article (Peer-reviewed)) 1989

Ziegler, C., G. Weiss and E. Friedman. "Implementation Mechanisms for Packet Switched Voice Conferencing." IEEE Journal on Selected Areas in Communications 7.5, June: 698-706. (Books and Publications: Article (Peer-reviewed)) 1989

Ziegler, C. and G. Weiss. "Packet Voice Conferencing Across Interconnected Networks." Conference Record of the 13th IEEE Conference on Local Computer Networks, October. (Books and Publications: Article (Peer-reviewed)) 1988

Ziegler, C. and E. Friedman. "An Initial Design of a Distributed Packet Voice Communications Protocol." Proceedings of the IEEE Phoenix Conference on Computers and Communications, February: 412-16. (Books and Publications: Article (Peer-reviewed)) 1987

Ziegler, C. and E. Friedman. "Real-time Voice Communications Over a Token-Passing Ring Local Area Network." Conference Record of the 1986 ACM SIGCOMM Symposium, August: 52-57. (Books and Publications: Article (Peer-reviewed)) 1986

Ziegler, C. and D.L. Schilling. "Waiting Times at Very Fast, Constant Service Time Merger Nodes." IEEE Transactions on Communications COM-32, February: 189-94. (Books and Publications: Article (Peer-reviewed)) 1984

"Queue Length Characteristics at Very Fast, Constant Service Time Merger Nodes." Conference Record of CPEUG '83, October. (Books and Publications: Article (Peer-reviewed)) 1983

Ziegler, C., S. Bergstein, J. Jean, T. Herbozo and D.L. Schilling. "A Computer Simulator for a Satellite-based Mobile Telephone System." Conference Record of 33rd Vehicular Technology Conference, June: 308-15. (Books and Publications: Article (Peer-reviewed)) 1983

"A Survey of the Robustness of Network Routing Algorithms" (invited paper). Conference Record of the AFCEA Seventh Annual Symposium, September: IV-5-10. (Books and Publications: Article (Peer-reviewed)) 1982

Ziegler, C. and R. Klibaner. "An Efficient Capacity Assignment Algorithm for Computer Communication Networks With a Tree Topology." Proceedings of the Computer Performance Evaluation Users Group 18th Meeting, CPEUG '82, October: 173-82. (Books and Publications: Article (Peer-reviewed)) 1982

Ziegler, C., M. Drossman, B. Coetzer, P. Handley and D.L. Schilling. "Digital Computer Simulation of Spread Spectrum Communications Systems." Conference Record of ICC '81, June: 45.4.1-4.5. (Books and Publications: Article (Peer-reviewed)) 1981

Ziegler, C. and D.L. Schilling. "Waiting Times at Fast Merger Nodes." Conference Record of ICC '80, June: 23.2.2-2.6. (Books and Publications: Article (Peer-reviewed)) 1980

Ziegler, C., V.R. Dhadesugoor and D.L. Schilling. "Delta Modulators in Packet Voice Networks." IEEE Transactions on Communications COM-28, January: 33-51. (Books and Publications: Article (Peer-reviewed)) 1980

Ziegler, C., V.R. Dhadesugoor and D.L. Schilling. "Digital Silence Detection in Delta Modulation Packet Voice Networks." Conference Record of ICC '79, June: 24.7.1-7.5. (Books and Publications: Article (Peer-reviewed)) 1979

Ziegler, C., V.R. Dhadesugoor and D.L. Schilling. "Source Encoding Using Delta Modulation in Packet Voice Networks." Conference Record of NTC '79, November: 4.4.1-4.5. (Books and Publications: Article (Peer-reviewed)) 1979

Ziegler, C., V.R. Dhadesugoor, C.B. Chakraverthy and D.L. Schilling. "Delta Modulation Packet Voice Network With a Variable Packet Size Algorithm." Conference Record of NTC '79, November: 13.2.1-2.5. (Books and Publications: Article (Peer-reviewed)) 1979

Ziegler, C. and D.L. Schilling. "Delay Decomposition at a Single Server Queue With Constant Service Time and Multiple Inputs." IEEE Transactions on Communications COM-26, February: 290-95. (Earlier version in Conference Record of ICC '77, June 1977.) (Books and Publications: Article (Peer-reviewed)) 1978

Creative Work

TorahPhone -- A Computer-based Audiotex System. Torah Communications Network, 1993-2016. 2016

Project audio consultant, Daf DVD, Machon L'Tul and Torah Communications Network, 2005-12. 2012

Mishna DVD -- Torah Communications Network, 2004-07. 2007

Shas CD mp3 edition -- Torah Communications Network, 2006-07. 2007

Shas DVD -- Torah Communications Network, 2004-05. 2005

Project audio consultant, Daf CD -- Machon L'Tul and Torah Communications Network, 1997-2004. 2004

Shas CD -- Torah Communications Network, 1997-2003. 2003

Awards, Honors and Fellowships

PSC-CUNY, for "Multimedia Conferencing on LANs." $5,000; July 1, 1990-June 30, 1991. Renewed: $3,000, July 1, 1991-June 30, 1992; $3,000, July 1, 1992-June 30, 1993. (Grants and Fellowships) 1993

"Center for Advanced Technology in N.Y. Telecommunications (Real-Time State Local Area Networks)," with F. Pollak, D. Levine and B. Schwartz. $67,000; Sept. 1, 1983-June 30, 1984. Renewed: $100,000, July 1, 1984-June 30, 1985; $85,000, July 1, 1985-June 30, 1986 (with F. Pollak); $85,000, July 1, 1986-June 30, 1987; $85,000, July 1, 1987-June 30, 1988; $42,500, July 1, 1988-June 30, 1989 (individual); $30,000, July 1, 1989-June 30, 1990; $25,000, July 1, 1990-June 30, 1991; $20,000, July 1, 1991-June 30, 1992. (Grants and Fellowships) 1992

PSC-CUNY, for "Protocols for Integrated Voice and Data Services on Local Area Networks." $3,698; July 1, 1985-June 30, 1986. Renewed: $3,000, July 1, 1986-June 30, 1987; $4,500, July 1, 1987-June 30, 1988; $2,500, July 1, 1988-June 30, 1989. (Grants and Fellowships) 1989

NSF, for "Parallel Processing Architecture for Real-time Simulation of Communications Systems" (jointly with City College). $55,000; Feb. 15, 1983-Feb. 14, 1984. Renewed: $58,000, Feb. 15, 1984-Feb. 14, 1985; $61,000, Feb. 15, 1985-July 31, 1986. (Grants and Fellowships) 1986

PSC-CUNY, for "Parallel Processing Architecture for Real-time Simulation of Communications Systems" (jointly with City College). $7,000; July 1, 1984-June 30, 1985. (Grants and Fellowships) 1985

IBM, for "Enhancement of the IBM Personal Computer." With F. Beckman, M. Augenstein, Y. Langsam and A. Tenenbaum. $120,000; April 1, 1983-June 30, 1984. (Grants and Fellowships) 1984

PSC-CUNY, for "A PC-based Scientific Data Acquisition and Analysis System With Medical Applications." $3,950; July 1, 1983-June 30, 1984. (Grants and Fellowships) 1984

NASA, for "A Study and Software Simulation of Very High Data Rate Channels" (jointly with City College). $70,157; June 25, 1982-June 24, 1983. (Grants and Fellowships) 1983

NASA, for "Computer Simulator for a Mobile Telephone System" (subcontract, jointly with City College). $12,486; Nov. 1, 1980-Oct. 31, 1981. Renewed: $49,999; April 21, 1982-Jan. 20, 1983. (Grants and Fellowships) 1983

NSF, for "Research Initiation: Performance Evaluation & Capacity Assignment in Computer Networks." $47,942; July 1, 1981-June 30, 1983. (Grants and Fellowships) 1983

PSC-CUNY, for "Analytical Methods for Performance for Evaluation & Capacity Assignment in Computer Networks." $7,500; July 1, 1981-June 30, 1982. (Grants and Fellowships) 1982

Conferences, Seminars and Symposiums

"TorahPhone -- A Computer-based Audiotex System." Agudath Israel Convention. November. (Conferences, Seminars and Symposiums: Invited Talk) 1993

Ziegler, C. and E. Friedman. "An Initial Design of a Distributed Packet Voice Communications Protocol." ACM-IEEE 1986 Fall Joint Computer Conference. November. (Conferences, Seminars and Symposiums: Invited Talk) 1986