Telecommunication Companies Technical Glossary

1 May 2017

Telecommunications companies are big technological giants with many technologies tied together.Within the last couple of years of my career in two different telecommunication company i have learned some of the commonly used terms in telecommunication companies.

Set-Top-Box(STB) /Set-Top-Unit(STU)

A set-top-box or also known as cable box is an electronic device whose main function is to receive television signals and decode that signal into digital television broadcasts.

In other words it is a Network client typically used for the reception and presentation of multimedia entertainment service.They are also commonly known as receivers.It contains a tuner which decodes the broadcast signal to a format which can be displayed on a television.

Modern STB has softwares through which customers can manage their subscribed channel.Mainly software stops the subscribers from getting the free content through their STB as those are encrypted .

Video On Demand(VOD)

Video on Demand or VOD is a feature that in provided by your service provider which is used to stream the movies/TV-shows or any online content at ones convenient time rather than at the broadcasted time .We can get benefit from this service from either by the use of STB,Service provider web portal or through any type of Mobile Devices .

Digital Video Recorder(DVR)

A DVR is a video recorder that comes with your STB and can be used the record and playback TV shows .With DVR a tv show can be recorded in hard drive during normal TV show and can be played later .A DVR can be used to record live TV show and play it later .

Broadband Home Router(BHR)

It is the gateway routing element between the access network and the consumer’s Home Network.

Digital Rights Management(DRM)

It is the encryption system applied to the media content to protect its access and use.It is implemented to make sure that customers get what they paid for and it’s data is protected .

Internet Protocol TeleVision(IPTV )

It is pay TV service or on demand service delivered over the Internet protocol

Optical Network Terminal(ONT )

An optical network terminal (ONT) is used to terminate the fiber optic line, demultipl It is the demarcation point between the access network and the consumer’s home network.

SSID – Service Set Identifier.

The collective name of network elements implementing a wireless network. Would be the same for the BHR and affiliated extenders.

DFS (Dynamic Frequency Selection)

It is the ability for WiFi to dynamical change it’s channel

RSSI – Received Signal Strength Indication

It is Measured in dBm, it indicates the power present in the received radio signal

Signal Quality

A value (given as a percentage) that represents the signal quality of the network. A value of 0 represents an actual RSSI signal strength of -100 dbm. A value of 100 represents an actual RSSI signal strength of -50 dbm

Noise Floor

It is the measure (expressed in dBm) of the signal created from the sum of all the noise sources and unwanted signals within a measurement system, where noise is defined as any other signal than the one being monitored.

Airtime Availability

It refers to how much airtime is available for the device (AP or extender device) to transmit data – measured as a percentage. If there is 0% available, then the client or BHR would not be able to transmit information (stream video) impacting subscriber experience.


Telecom Technocal terms

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