GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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14:31 Jul 7, 2002 |
English to Spanish translations [PRO] Tech/Engineering | |||||||
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| Selected response from: Silvina Sorribas Local time: 15:29 | ||||||
Grading comment
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Instalación (o conexión) a tierra de la estaciones analógicas y GSM Explanation: GSM: Global Systems Mobiles. Tal vez podrías aclarar su significado entre paréntesis la primera vez que aparece. Ej: Móviles de sistemas golabales. GSM technology is used by Australia's neighbours New Zealand and Hong Kong as well as many European nations. GSM was selected by the Australian Government for use in Australia. Analogue v. Digital Operational characteristics: The digital mobile telephone system achieves a more efficient use of the frequency spectrum. This means that GSM will be able to support more mobile phone services than AMPS. Each channel carries up to eight telephone conversations at a time by using a technique called Time Division Multiple Access (TDMA) where the usage of the channel is divided into eight time slots and each telephone which has a call in progress uses one time slot. The base station allots the time slot to each phone as a call is set up and then monitors progress of each call. If the distance from the mobile phone to the base station is too great, the call will drop out or the base station will hand the call over to a nearer base station. This is a service limitation of GSM, limiting the distance to 35 km radius of the base station. In both systems, the more base stations within a coverage area, the higher the grade of service to the users. With the digital system, each call is better protected from eavesdropping because the signal is digital and cannot be decoded except by another phone tuned to the same frequency and time slot. In addition, the information contained within the signal can be easily encrypted to add additional protection -------------------------------------------------- Note added at 2002-07-07 14:46:31 (GMT) -------------------------------------------------- sorry: globales (typo mistake) |
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estación de tierra para los servicios de instalación GSM y analógica Explanation: I think this is probably too convaluted, but I hope that it helps some. |
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GSM y estaciones de tierra analógicas Explanation: Please note that GSM is kept untranslated since it stands for Groupe Spécial Mobile which is an international institution. |
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