baseband transmission

Baseband transmission is simple to implement, but has the downside that there can only be one signal at a time on the wire.

It also specifies modulated and baseband transmission.

A data cable is any media that allows baseband transmissions (binary 1,0s) from a transmitter to a receiver.

BASE denotes that baseband transmission is used.

Thus, the spectral efficiency can not exceed 2N (bit/s)/Hz in the baseband transmission case.

More specifically, a line code (or baseband transmission scheme) representing the data using pulse-amplitude modulation with 2 different voltage levels, can transfer N bit/pulse.

The term digital baseband modulation (or digital baseband transmission) is synonymous to line codes.

A baseband transmission sends one type of signal using a medium's full bandwidth, as in 100BASE-T Ethernet.

In baseband transmission, line coding is utilized, resulting in a pulse train or pulse amplitude modulated (PAM) signal.

A symbol can be described as either a pulse (in digital baseband transmission) or a "tone" (in passband transmission using modems) representing an integer number of bits.

Pulse-amplitude modulation is widely used in baseband transmission of digital data, with non-baseband applications having been largely replaced by pulse-code modulation, and, more recently, by pulse-position modulation.

This straightforward mode of operation is called "baseband" transmission-hence the name 10BASE2 (10 Mbps baseband transmission over (almost) 200 meters).

This allows very fast and reliable communication over short distances; however, due to the realistic electrical properties of used media, the range of baseband transmission is very limited and decreases with increasing speed.

Digital baseband transmission, also known as line coding, aims at transferring a digital bit stream over baseband channel, typically an unfiltered wire, contrary to passband transmission, also known as carrier-modulated transmission.

The messages are either represented by a sequence of pulses by means of a line code ('baseband transmission'), or by a limited set of analogue wave forms ('passband transmission'), using a digital modulation method.

In the case of baseband transmission (line coding or pulse-amplitude modulation) with a baseband bandwidth (or upper cut-off frequency) B, the symbol rate can not exceed 2B symbols/s in view to avoid intersymbol interference.

In 10BASE-F standard, the 10 represents its maximum throughput of 10 Mbit/s, BASE indicates its use of baseband transmission, and F indicates that it relies on medium of fiber-optic cable.

In telecommunication, a line code (also called digital baseband modulation, also called digital baseband transmission method) is a code chosen for use within a communications system for baseband transmission purposes.