Glossary:

ATIS Telecom Glossary

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bias

1. A systematic deviation of a value from a reference value.
2. The amount by which the average of a set of values departs from a reference value.
3. Electrical, mechanical, magnetic, or other force (field) applied to a device to establish a reference level to operate the device.
4. In telegraph signaling systems, the development of a positive or… (Read More →)

bias distortion

1. Signal distortion resulting from a shift in the bias.
2. In binary signaling, distortion of the signal in which all the significant intervals have uniformly longer or shorter durations than their theoretical durations.
Note: Bias distortion is expressed in percent of the system-specified unit interval.

biased

In the generation of pseudorandom or random numbers, pertaining to or describing a condition that renders the more likely occurrence of some numbers or patterns than others. [After X9.17]

BICC

Bearer Independent Call Control

biconical antenna

An antenna consisting of two conical conductors, having a common axis and vertex, and extending in opposite directions.
Note 1: In a biconical antenna, excitation is applied at the common vertex.
Note 2: If one of the cones is reduced to a plane, the antenna is called a discone.

bidirectional asymmetry

In data transmission, the condition that exists when information flow characteristics are different in each direction.

bidirectional connection

Association established between two higher layer entities for which information is transmitted between both entities. [After T1.629-1999]

bidirectional symmetry

The condition that exists when information flow characteristics are the same in each direction.

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