Multimedia over Coax Alliance

Multimedia over Coax Alliance, or MoCA, logo

Multimedia over Coax Alliance (MoCA) is an industry standard alliance developing technology for the connected home. MoCA technology runs over the existing in-home and in-building coaxial cabling, enabling whole-home distribution of high definition video and content.

There are three versions of the specification currently available, MoCA 1.1, MoCA 2.0, and MoCA 2.5.

MoCA has now entered the broadband access market targeting MDUs (Multidwelling Units).[1]

History

MoCA was established in 2004.

MoCA 1.0 was approved in 2006, MoCA 1.1 in April 2010, MoCA 2.0 in June 2010, and MoCA 2.5 in April 2016.

The Digital Living Network Alliance approved the MoCA technology specification for incorporation into its guidelines in 2009.[2]

Products

Products integrating MoCA technology are found in the service-provider, custom-installer, and retail channels.[3] Applications include:

Alliance

The Alliance currently has 45 members including pay TV operators, OEMs, CE manufacturers and IC vendors.[4]

Promoters (represented on the Board of Directors) include Arris, Broadcom, Comcast, Cox Communications, AT&T/DirecTV, Echostar, Intel, MaxLinear and Verizon.

Technology

Within the scope of the Internet protocol suite, MoCA is a protocol that provides the link layer. In the 7-layer OSI model, it would be part of the data link layer (layer 2). DLNA approved of MoCA as a layer 2 protocol.[5]

MoCA 1.1

MoCA 1.1 provides 175 Mbit/s net throughputs (275 Mbit/s PHY rate) and operates in the 500 to 1500 MHz frequency range.[6]

The Alliance publishes a list of certified products on their home page.[7]

MoCA 2.0

MoCA 2.0 supports two performance modes, Basic and Enhanced, with 400 Mbit/s and 800 Mbit/s net throughputs (MAC), using 700 Mbit/s and 1.4 Gbit/s PHY rates, respectively. Turbo Mode yields 1Gbit/s net throughput. Operating frequency range is 500 to 1650 MHz. Packet error rate is 1 packet error in 100 million.[8]

MoCA 2.0 also offers lower power modes of sleep and standby and is backward interoperable with MoCA 1.1.[9]

MoCA 2.5

MoCA 2.5 offers actual data rates up to 2.5 Gbit/s, continues to be backward interoperable with MoCA 2.0 and MoCA 1.1, and adds MoCA protected setup (MPS), Management Proxy, Enhanced Privacy, Network wide Beacon Power, and Bridge detection.[10]

MoCA 2.5 adds addition performance profiles:

Frequency band plan

Channel Frequency (center), MHz[11]
E1 500
E2 525
E3 550
E4 575
E5 600
A1 875
B1 900
C1 925
C2 950
C3 975
C4 1000
D1 1150
D2 1200
D3 1250
D4 1300
D5 1350
D6 1400
D7 1450
D8 1500

Notes:

See also

References

  1. ↑ "MoCA Enters Broadband Access Market". www.mocalliance.org. Retrieved 2016-07-18.
  2. ↑ "DLNA adds new features to 2009 interoperability guidelines". About-Electronics.eu. January 14, 2009. Retrieved July 27, 2011.
  3. ↑ "MoCA Certified Products". MoCAlliance.org. Retrieved April 20, 2012.
  4. ↑ "MoCA Members". MoCAlliance.org. Retrieved October 16, 2013.
  5. ↑ MOCA FAQs
  6. ↑ http://moca4installers.com/moca_faqs.php
  7. ↑ "MoCA Certified Products". MoCA web site. Retrieved July 27, 2011.
  8. ↑ "Introducing MoCA 2.0". MoCA website. June 15, 2010. Retrieved May 25, 2012.
  9. ↑ "MoCA FAQs". MoCA web site. Retrieved October 17, 2013.
  10. ↑ "MoCA 2.5 News". MoCA web site. Retrieved May 10, 2016.
  11. ↑ "MoCA 1.1 Specification for Device RF Characteristics" (PDF). MoCAlliance.org. Multimedia over Coax Alliance.
  12. 1 2 Verizon Online FiOS FAQ → 3.2 MOCA
  13. 1 2 MoCA Blog: Verizon FiOS Quick MoCA Tips
  14. ↑ MoCA Blog: DIRECTV
  15. ↑ You Say MoCA, I Say DECA – Which Is It?

External links

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