About: Return channel

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In communications systems, the return channel (also reverse channel or return link) is the transmission link from a user terminal to the central hub. Return links are often, but not always, slower than the corresponding forward links. Examples where this is true include asymmetric digital subscriber line, cable modems, mobile broadband and satellite internet access.

Attributes	Values
rdf:type	route of transportation yago:WikicatCommunicationCircuits yago:Artifact100021939 yago:Circuit103033362 yago:Device103183080 yago:ElectricalDevice103269401 yago:Instrumentality103575240 yago:Object100002684 yago:PhysicalEntity100001930 yago:Whole100003553
rdfs:label	Return channel (en)
rdfs:comment	In communications systems, the return channel (also reverse channel or return link) is the transmission link from a user terminal to the central hub. Return links are often, but not always, slower than the corresponding forward links. Examples where this is true include asymmetric digital subscriber line, cable modems, mobile broadband and satellite internet access. (en)
dcterms:subject	Communication circuits
Wikipage page ID	2621372 (xsd:integer)
Wikipage revision ID	1089401188 (xsd:integer)
Link from a Wikipage to another Wikipage	Modulation Uplink Downlink Communications system Channel coding Backhaul (telecommunications) Backward channel Telemetry Asymmetric digital subscriber line Communication circuits Mobile broadband Dial-up modem Cable modem Cable television Channel access method Upstream (networking) Forward link Satellite internet access Spacecraft communication Satellite communication Bent-pipe transponder
Link from a Wikipage to an external page	https://wdownloader.com/
sameAs	Return channel Return channel Return channel Return channel Return channel
dbp:wikiPageUsesTemplate	dbt:Telecommunications-stub
has abstract	In communications systems, the return channel (also reverse channel or return link) is the transmission link from a user terminal to the central hub. Return links are often, but not always, slower than the corresponding forward links. Examples where this is true include asymmetric digital subscriber line, cable modems, mobile broadband and satellite internet access. The return channel need not use the same medium as the main channel. For example, some hybrid Internet access services use a one-way cable television system for the forward channel and a dial-up modem for the return channel. Even when the return and forward channels use the same medium, their differences often dictate the use of very different data modulation and coding techniques. For example, in a star radio network, only the central hub transmits on the forward link, so channel access method is a consideration only on the return link. The "forward/return" terminology is also used for spacecraft communication links for command and telemetry. Because the return link carries telemetry, often including imagery, it is often orders of magnitude faster than the forward link that transmits only a few predefined spacecraft commands. Return and forward channels are distinct from, and should not be confused with, uplinks and downlinks in satellite communication systems. For example, satellite internet access with conventional bent-pipe transponders require a total of two uplinks and two downlinks. One uplink and downlink pair are used for the forward link from the central ground hub through the satellite to the user terminal, and another uplink/downlink pair are used for the return link from the user terminal to the central hub. (en)
gold:hypernym	Link
prov:wasDerivedFrom	wikipedia-en:Return_channel?oldid=1089401188&ns=0
page length (characters) of wiki page	2051 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Return_channel
is Link from a Wikipage to another Wikipage of	Backchannel (disambiguation) List of digital television deployments by country DVB Internet access Interpassivity Error detection and correction Virtual team Point-to-multipoint communication Communication channel Pipeline (software) Local insertion Return Backhaul (telecommunications) Backward channel Automatic link establishment Mars Polar Lander Optus Television Multicast Satellite Internet access Upstream (networking) Tooway IP over DVB ISDB ISDB-T International Telecommunications link Outline of telecommunication Return Channel Satellite Return link Reverse channel
is Wikipage redirect of	Return Channel Satellite Return link Reverse channel
is Wikipage disambiguates of	Return
is foaf:primaryTopic of	wikipedia-en:Return_channel

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