HomePlug AV Specification Enters Final Stage

The HomePlug Powerline Alliance, Inc. is entering the final stage of the specification development process for HomePlug AV, a technology poised to change the way that HDTV, Digital Audio, and Internet access are distributed around a home.





The alliance has reached a significant milestone by completing the advanced preliminary specification for HomePlug AV, and is now inviting companies in the home networking, consumer electronics, computing, and communications industries to join the alliance and contribute to the final version of the specification.

The advanced preliminary specification for HomePlug AV technology is the result of a combined effort of several leading proponents of powerline technologies. After laboratory tests and field trials bore out the best-in-class methods from submitted technologies, the alliance combined contributions from several proponents into a single baseline technology. By melding the best methods, the alliance established a baseline superior to any of the individual proposals. Following the creation of the baseline technology, the alliance created the advanced preliminary specification now being released to the alliance's Specification Working Group (SWG) for further input.

The advanced preliminary specification for HomePlug AV is the result of a combined effort of leading proponents of powerline technologies. HomePlug AV will deliver the following benefits:

• 200-Mbps class networking, enough to carry multiple HDTV programs around a house
  
• An advanced Physical Layer that offers near-capacity throughput performance and exceptional coverage for robust communications over noisy power line channels
  
• A high-efficiency MAC layer that incorporates both scheduled access (TDMA) with Quality of Service (QoS) guarantees, and contention access (CSMA). Features that are a must for the demands of multi-media content delivery include guaranteed bandwidth reservation, tight control of latency and jitter, and high reliability.
  
• Advanced Network Management functions and facilities capable of supporting plug-and-play, user and service provider set-up and configuration
  
• Co-existence modes enabling Broadband over Powerline (BPL) co-existence, multi-network operation, hidden node service, and backward compatibility with HomePlug 1.0
  

Source: press release

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