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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 ...
Under DOCSIS 3.0, up to 32 downstream and 8 upstream channels may be bonded. [27] These are typically 6 or 8 MHz wide. DOCSIS 3.1 defines more complicated arrangements involving aggregation at the level of subcarriers and larger notional channels. [28]
DOCSIS 3.0 and lower — 4 Gigabit b/g/n a 2.4 5.0 450 — — — 0 0 0 — — 6.04 FRITZ!Box 6360 Cable Cable DOCSIS 3.0 and lower — 4 Gigabit b/g/n a 2.4 5.0 300 1 USB 2.0 — 2 1 6.5 FRITZ!Box 6430 Cable Cable DOCSIS 3.0 and lower — 4 Gigabit b/g/n 2.4 450 2 USB 2.0 0 2 0 7.30 German version only FRITZ!Box 6810 LTE LTE — 1 Fast b/g/n ...
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 ...
Cable modem termination system. A cable modem termination system (CMTS, also called a CMTS Edge Router) [1] is a piece of equipment, typically located in a cable company's headend or hubsite, which is used to provide data services, such as cable Internet or Voice over IP, to cable subscribers.
DOCSIS 3.1 Upstream [14] Key features. The advantages and disadvantages listed below are further discussed in the Characteristics and principles of operation section ...
In April 2009, Cogeco implemented a penalty for surpassing the bandwidth limits for each tier. As of August 2021, Cogeco offers up to gigabit download speeds (30 Mbit/s upload) in certain areas which takes advantage of its DOCSIS 3.1 platform upgrades and 180 Mbit/s download (10 Mbit/s upload) most of its footprint on DOCSIS 3.0.
DOCSIS RFI 1.1 [16] later added more robust and standardized QoS mechanisms to DOCSIS. DOCSIS 2.0 added support for S-CDMA PHY, while DOCSIS 3.0 added IPv6 support and channel bonding to allow a single cable modem to use concurrently more than one upstream channel and more than one downstream channel in parallel.
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