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Encyclopedia > ADSL Lite

ADSL Lite is a variant of ADSL that typically delivers a slower data transfer rate at a lower price to the end user. ADSL Lite is a lower standard used more often in developing countries, such as Malaysia (and Serbia), where the main consumer broadband is provided by Telekom Malaysia under the brand streamyx. This is the most cost effective way to provide a form of affordable broadband to a country with a lower standard of living than typical G8 countries. It uses ADSL Modulation T1_413, has a downstream data rate of 1024 kbit/s, and upstream data rate of 384 kbit/s. Since the technology doesn't require a splitter, an ADSL Lite modem can simply be plugged into a phone jack directly. Asymmetric Digital Subscriber Line (ADSL) is a form of DSL, a data communications technology that enables faster data transmission over copper telephone lines than a conventional modem can provide. ... The Standard of living refers to the quality and quantity of goods and services available to people. ... The Group of Eight (G8) is a grouping of eight of the worlds leading industrialized, democratic nations (France, Germany, Italy, Japan, the United Kingdom, the United States, (the G6, 1975), Canada (the G7, 1976)), and Russia (not participating in all events). ...


Other voice and data services can affect the performance of ADSL Lite. For example, basic rate interface (BRI) is an ISDN service that can cause interference called cross talk if it is bundled in the same cable with ADSL Lite services. Physical line conditions, such as bridged taps and load coils, can also cause severe problems for ADSL Lite services. A bridged tap is any part of the local loop that is not in the direct transmission path between the CO and the service user. If there are too many bridge taps or if they are too close together, ADSL Lite services cannot function. Load coils are placed on longer phone lines to improve their voice frequency response characteristics. A coil is an inductor that acts like a low pass filter; it doesn't allow high frequencies through. Since ADSL Lite uses higher frequencies, it does not work on lines that have load coils. For the French police unit, see Brigade de recherche et dintervention Basic rate interface (BRI, 2B+D, 2B1D) is an Integrated Services Digital Network channel consisting of two 64 kbit/s bearer (B) channels and one 16 kbit/s delta (D) channel, giving a total data rate of 144... Cross-Talk is the analogue or digital interference caused by two tracks of information placed too close together for the reading mechanism to discretely discern one entirely from the other. ... An inductor is a passive electrical device that stores energy in a magnetic field, typically by combining the effects of many loops of electric current. ...


  Results from FactBites:
 
An Introduction to ADSL Lite Modem Technology (1444 words)
ADSL Lite modems also interleave the serial bit stream of data, thus facilitating error correction by providing protection against noise bursts at the cost of higher latency.
The role of some of the receiver functions in an ADSL Lite modem is to recover and process the transmitted signal for presentation to the demodulator.
ADSL Lite modem software is complicated, difficult to program and requires a great deal of expensive engineering time to develop.
  More results at FactBites »


 

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