Zobrazeno 1 - 10
of 75
pro vyhledávání: '"I. Hawker"'
Autor:
G. Blau, P. Cochrane, I. Hawker, L. Bickers, G. Hilton, R. Davies, R. M. Brooks, G. P. Coombs, S. Whitt, A. Stevenson, R. Dawes
Publikováno v:
BT Technology Journal. 25:33-43
This paper describes a 565 Mbit/s optical fibre system, developed by British Telecom Research Laboratories in association with Fulcrum Communications Ltd, which incorporates advanced integrated circuit (IC) technology and offers repeater spacings in
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Publikováno v:
BT Technology Journal. 18:45-57
The capacity of the BT/UK core transport network is being increased by more than 100% per year to support the growing demands from IP/ATM broadband data services and the traditional private services platform. At the same time, unit costs are reducing
Publikováno v:
IEEE Communications Magazine. 34:96-101
This article addresses key issues related to the administration of ATM backbones based on virtual paths with embedded restoration capabilities. The concept of logical subnetworking according to the required reliability of service (RoS) is presented.
Publikováno v:
Electronics & Communication Engineering Journal. 7:97-104
The prospect of broadband telecommunication networks loaded with massive quantities of information due to the wide range of services being supported stimulates extra concern for network survivability. As the effect of span or node failures could be d
Autor:
Jeremy I, Hawker, Babatunde, Olowokure, Farzana, Sufi, Julius, Weinberg, Noel, Gill, Richard C, Wilson
Publikováno v:
Respiratory medicine. 97(11)
To examine the relationship between social deprivation and risk of hospital admission for respiratory infection.Ecological study using hospital episode statistics and population census data. Cases were residents of the West Midlands Health Region adm
Publikováno v:
IEEE Global Telecommunications Conference, 1989, and Exhibition. 'Communications Technology for the 1990s and Beyond.
The evolution of telecommunications transmission technology from analog and metallic cables to digital and optical fiber, coupled with new service demands, has caused network protection strategies to change their focus. The way in which BT (British T
Autor:
T. Ralenius, M. Ravera, S. Balzaretti, H.S. Misser, I. Hawker, Lambertus Johannes Maria Nieuwenhuis, S.S. Donachie
Publikováno v:
Scopus-Elsevier
This paper summarises the results of EURESCOM project EU-S26, a fact-finding study to determine the current state-of-the art on network reliability engineering. The objective is to identify reliability threats of future networks and services for whic
Publikováno v:
Proceedings of GLOBECOM'96. 1996 IEEE Global Telecommunications Conference.
In this paper we take a pragmatic view of the benefits of a transparent layer of optical cross-connects to supplement the SDH transport layer currently being deployed by all major telecommunications operators. We describe the findings of a cost study
Publikováno v:
Proceedings of ICCS '94.
Telecommunications networks are becoming increasingly automated in order to improve customer perceived quality of service/reliability and to provide integrated management of the growing number of transport and switching technologies. As the network c