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DOCSIS employs a mixture of deterministic access methods for upstream transmissions, specifically time-division multiple access (TDMA) for DOCSIS 1.0/1.1 and both TDMA and S-CDMA for DOCSIS 2.0 and 3.0, with a limited use of contention for bandwidth reservation requests. In TDMA, a cable modem requests a time to transmit and the CMTS grants it ...
Another study in 2022 showed that the latency of the Starlink network is 1.8 ms to 22.8 ms more than the latency of terrestrial networks according to a measurement study conducted in the Metro Vancouver area. [40] Note that the exact measurement results can differ as the deployment of Starlink infrastructure varies across time and locations.
Starlink is a satellite internet constellation operated by Starlink Services, LLC, an international telecommunications provider that is a wholly owned subsidiary of American aerospace company SpaceX, [5] providing coverage to over 100 countries and territories.
A satellite internet constellation is a constellation of artificial satellites providing satellite internet service.In particular, the term has come to refer to a new generation of very large constellations (sometimes referred to as megaconstellations [1]) orbiting in low Earth orbit (LEO) to provide low-latency, high bandwidth internet service. [2]
Link aggregation also allows the network's backbone speed to grow incrementally as demand on the network increases, without having to replace everything and deploy new hardware. Most backbone installations install more cabling or fiber optic pairs than is initially necessary.
Internet access is a facility or service that provides connectivity for a computer, a computer network, or other network device to the Internet, and for individuals or organizations to access or use applications such as email and the World Wide Web.
[14] [15] Edge QAM (Quadrature Amplitude Modulator/Modulation) converts video sent via IP (internet protocol) or otherwise, into a QAM signal for delivery over a cable network. Edge QAMs are normally standalone devices placed at the "edge" of a network. They can also be connected to a CMTS core, to make up an M-CMTS system which is more scalable.
At the other end of the network, an optics platform or headend platform converts the light pulses into RF signals in coaxial cables again using transmitter and receiver modules, [2] [3] and the cable modem termination system (CMTS) connects to these coaxial cables. An example of an optics platform is the Arris CH3000.
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