Local loop developments in the UK

Rowbotham, T.

doi:10.1109/35.75527

Cited by 20 publications

(3 citation statements)

References 7 publications

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“…Time-division multiple access (TDMA) out-performs other schemes for the upstream multipoint-to-point transmission in terms of shot noise, laser intensity noise, "heterodyning" and linearity [1,2]. Time-division multiple access (TDMA) out-performs other schemes for the upstream multipoint-to-point transmission in terms of shot noise, laser intensity noise, "heterodyning" and linearity [1,2].…”

Section: Multiplexing Techniquesmentioning

confidence: 99%

Novel Burst Transmission Technique for Fiber-in-the-Loop-Systems comprising Passive Optical Networks having wide dynamic Ranges

Neidlinger¹,

Bolze²

1995

Journal of Optical Communications

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This paper discusses transmission techniques for applications in commercial fiber-in-the-loop-system. For fulfilling the requirements of cable plants, space-division multiplex and wavelength-division multiplex can be used for downstream-upstream-transmission. Time-division multiple access is advantageous for point-to-multipoint-transmission. We propose a novel burst transmission procedure in this paper. The digital modulation of an electrical carrier has been confirmed to be a suitable upstream transmission technique for systems comprising passive optical networks. It is advantageous for fast clock recovery, high-pass transmission and a wide dynamic range of the receiver. A demonstrator comprises an optical path loss of 36 dB and an optical dynamic range of 19 dB. This makes it posssible to realize either a 64-way split and a link range of 10 km or a 32-way split and a link range of 20 km.

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Section: Multiplexing Techniquesmentioning

confidence: 99%

Novel Burst Transmission Technique for Fiber-in-the-Loop-Systems comprising Passive Optical Networks having wide dynamic Ranges

Neidlinger¹,

Bolze²

1995

Journal of Optical Communications

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“…La diferencia entre dos importantes zonas geográficas, como son Europa y EEUU, son apreciables. Incluso, dentro del entorno europeo, aparecen diferencias según el país del que se trate [Rowbotham, 1991].…”

Section: 8unclassified

Técnicas adaptativas autorreferenciadas para la cancelación conjunta de eco e ISI aplicadas a los transceptores HDSL

Álvarez¹

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A la memoria de mi MadrePara finalizar, se muestra que las técnicas de autorreferencia pueden ser aplicadas de modo general. Las simulaciones en el entorno HDSL, usando canceladores de eco e ISI, apuntan unas buenas prestaciones trabajando en entornos de test CSA.También se muestra que esta nueva técnica puede ser aplicada a otro tipo de filtros adaptativos como son los igualadores CMA trabajando con modulaciones tipo PSK.

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“…Range and bit-error ratios are lirnitcd by near-end crosstalk. For a description of the local loop see[3]. In developed countries, optical fibre will penetrate into the local loop[4].…”

mentioning

confidence: 99%

Potential for new digital subscriber loop technologies in selected African situations

Hanrahan

3D Africon Conference. Africon '92 Proceedings (Cat. No.92CH3215)

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This paper reviews moderit developments in telecommunications transmission and services offered over the digital subscriber loop. Issues in provision of telecornmunications in African low income urban situations are discussed. Two particular services, the Nigh Density Subscriber Loop (HDSL) and the Asymmetric Digital Subscriber Loop (ADSL), Are examined. Under development for first world markets, their appropriateness to the African urban situation is examined. The HDSL is seen as offering significant pair-gain opportunities and a new approach to planning subscriber cable installations in areas with little or no telephone service penetration.

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Local loop developments in the UK

Cited by 20 publications

References 7 publications

Novel Burst Transmission Technique for Fiber-in-the-Loop-Systems comprising Passive Optical Networks having wide dynamic Ranges

Novel Burst Transmission Technique for Fiber-in-the-Loop-Systems comprising Passive Optical Networks having wide dynamic Ranges

Técnicas adaptativas autorreferenciadas para la cancelación conjunta de eco e ISI aplicadas a los transceptores HDSL

Potential for new digital subscriber loop technologies in selected African situations

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