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DOCSIS 3.1 uses channel bandwidths of up to 192 MHz in the downstream. [15] Upstream: DOCSIS 1.0/1.1 specifies channel widths between 200 kHz and 3.2 MHz. DOCSIS 2.0 & 3.0 specify 6.4 MHz, but can use the earlier, narrower channel widths for backward compatibility. DOCSIS 3.1 uses channel bandwidths of up to 96 MHz in the upstream. Modulation:
In December 2017, Charter began its rollout of DOCSIS 3.1, [22] ... deploying extended spectrum DOCSIS 4.0 (ESD), will provide even higher download speeds, up to 10 ...
DOCSIS Set-top Gateway (or DSG) is a specification describing how out-of-band data is delivered to a cable set-top box. Cable set-top boxes need a reliable source of out of band data for information such as program guides, channel lineups, and updated code images.
PacketCable 1.0 comprises eleven specifications and six technical reports which define call signaling, quality of service (QoS), codec usage, client provisioning, billing event message collection, public switched telephone network (PSTN) interconnection, and security interfaces for implement a single-zone PacketCable solution for residential Internet Protocol (IP) voice services.
QVC: Comcast sold its majority stake to Liberty Media in 2003 Speed Channel : joint venture with Cox Communications and Fox Entertainment Group ; Fox acquired Comcast and Cox's stakes in 2001 Time Warner Entertainment (26%, with Time Warner Inc.): Comcast sold its 26% stake to Time Warner Inc. (now Warner Bros. Discovery ) in 2003.
The Multimedia over Coax Alliance (MoCA) is an international standards consortium that publishes specifications for networking over coaxial cable.The technology was originally developed to distribute IP television in homes using existing cabling, but is now used as a general-purpose Ethernet link where it is inconvenient or undesirable to replace existing coaxial cable with optical fiber or ...
Since then EuroDOCSIS 3.1 was rolled out widely to offer asymmetric Internet access with asymmetric upload speeds of up to 100 Mbit/s. Ziggo completed the DOCSIS 3.1 roll-out operation in December 2022. At the same time, the company announced it is preparing for DOCSIS 4.0 (previously branded as DOCSIS 3.1 Full Duplex) tests in early 2023.
DOCSIS 4.0 promises up to 10 Gbit/s downstream and 6 Gbit/s upstream, however this technology is yet to have been implemented in real-world usage. Broadband cable access tends to service fewer business customers because existing television cable networks tend to service residential buildings; commercial buildings do not always include wiring ...