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Computer Engineering Commons

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Articles 1 - 5 of 5

Full-Text Articles in Computer Engineering

Hop Integrity In Computer Networks, Mohamed G. Gouda, E.N. Elnozahy, Chin-Tser Huang, Tommy M. Mcguire Nov 2000

Hop Integrity In Computer Networks, Mohamed G. Gouda, E.N. Elnozahy, Chin-Tser Huang, Tommy M. Mcguire

Faculty Publications

A computer network is said to provide hop integrity iff when any router p in the network receives a message m supposedly from an adjacent router q, then p can check that m was indeed sent by q, was not modified after it was sent, and was not a replay of an old message sent from q to p. We describe three protocols that can be added to the routers in a computer network so that the network can provide hop integrity. These three protocols are a secret exchange protocol, a weak integrity protocol, and a strong integrity protocol. All …


3d Outside Cell Interference Factor For An Air-Ground Cdma ‘Cellular’ System, David W. Matolak May 2000

3d Outside Cell Interference Factor For An Air-Ground Cdma ‘Cellular’ System, David W. Matolak

Faculty Publications

We compute the outside-cell interference factor of a code-division multiple-access (CDMA) system for a three-dimensional (3-D) air-to-ground (AG) "cellular-like" network consisting of a set of uniformly distributed ground base stations and airborne mobile users. The CDMA capacity is roughly inversely proportional to the outside-cell interference factor. It is shown that for the nearly free-space propagation environment of these systems, the outside-cell interference factor can be larger than that for terrestrial propagation models (as expected) and depends approximately logarithmically upon both the cell height and cell radius.


Upgrading A Cd-Rom Network For Multimedia Applications, Margaret Sylvia Jun 1995

Upgrading A Cd-Rom Network For Multimedia Applications, Margaret Sylvia

Faculty Publications

Checking the servers, PCs, and network connections for bottlenecks in serving multimedia across the network are steps that will alleviate speed and connectivity issues for users.


Networking Your Cd-Roms: A Texas Tale, Margaret Sylvia Aug 1993

Networking Your Cd-Roms: A Texas Tale, Margaret Sylvia

Faculty Publications

Installation of a CD-ROM network at St. Mary's University Academic Library created a revolution in the way students and faculty do research.


Building A Gateway For The Cd-Rom Network: A Step Toward The Virtual Library With The Virtual Microsystems V-Server, Margaret Sylvia Jun 1993

Building A Gateway For The Cd-Rom Network: A Step Toward The Virtual Library With The Virtual Microsystems V-Server, Margaret Sylvia

Faculty Publications

Describes one college library's experience with a gateway for dial-in access to its CD-ROM network to increase access to automated index searching for students off-campus. Hardware and software choices are discussed in terms of access, reliability, affordability, and ease of use. Installation problems are discussed, and an appendix lists product information.