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Centre for Telecommunication Research is a research-based institute at the Sri Lanka Technological Campus (SLTC) to carry out innovative, collaborative and industry-sponsored research works in wireless communications and networking. Research activities at the CTR, both fundamental and applied, mainly focus on technologies related to the ...
Comcast Business is a subsidiary of Comcast, which, through several iterations, has handled the sales, marketing, and delivery of internet, phone, and cable television to businesses (in contrast, consumer services are primarily offered under the Xfinity brand).
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.
DOCSIS 3.1 uses channel bandwidths of up to 192 MHz in the downstream. [14] 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 telecommunications, cable Internet access, shortened to cable Internet, is a form of broadband internet access which uses the same infrastructure as cable television. Like digital subscriber line and fiber to the premises services , cable Internet access provides network edge connectivity ( last mile access) from the Internet service ...
802.11 networks in infrastructure mode are half-duplex; all stations share the medium. In infrastructure or access point mode, all traffic has to pass through an Access Point (AP). Thus, two stations on the same access point that are communicating with each other must have each and every frame transmitted twice: from the sender to the access ...
A given headend may have between 1–12 CMTSs to service the cable modem population served by that headend or HFC hub. One way to think of a CMTS is to imagine a router with Ethernet interfaces (connections) on one side and coaxial cable RF interfaces on the other side. The Ethernet side is known as the Network Side Interface or NSI. [3] [4]
Xfinity (Comcast Cable Communications, LLC) Comcast Business; Comcast Interactive Media. StreamSage; Comcast Cable Holdings, LLC (formerly AT&T Broadband Corporation) Comcast MO Group, LLC (formerly Media One or Bell West) Comcast MO of Delaware, LLC; Comcast Phone LLC; Comcast IP Phone LLC; CN900 (Michigan) CN81 (Indiana) Comcast Wholesale ...