What Xdsl Standard Is The Most Popular?
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What xDSL Standard Is the Most Popular?
Answer:
ADSL is the most popular xDSL standard.
What is xDSL:
It is a technology that permits simple voice set telephone wires made by copper used by worldwide customers greater than 600 million. At the same time, it can transmit data traffic at high speed.
In the USA these copper wires are used in telephone companies to effectively in business and homes and used all round worldwide. But there are some limitations to copper telephone wires. It carries noise. So new technology is demanded to overcome this problem that carries noise-free and error-free transmission with at high speed was fiber optics technology.
In xDSL stream of digital data is put into code to enhance the bandwidth and continuously detect the transmission and clean the errors. The advanced VLSI High-speed chip technology is used because of constant regulation, samplings, and encoding. It rectifies the errors by echo cancellation during transmission. There are two encoding plans are used for xDSL. One is (DMT) discrete multi tones and the second one is (CAP) carrier less amplitude.
ADSL:
Most internet users require to download the heavy image so ADSL provides a large bandwidth for this application. Downstream speed can vary up to 6Mbps. The speed depends on the particular service. In contrast, the speed of upstream is less called asymmetric DSL.4 kHz channel constant to voice and it is functionally self-standing of downstream. The voice channel remains on the run even if the power is cut off. In comparison to DSL, channels become off.
Features:
The main features are follows
Applications:
Some major applications of xDSL are follows