Including Atheros, Broadcom, Cisco Systems, Intel, Toshiba and many other major manufacturers in the industry, they will work together to set a unified standard for the wired / wireless home network that is currently supported by different technologies.
The IEEE 1905.1 working group will hold its first meeting in Paris, France, with an estimated 20 or so engineers participating; they expect to announce the draft standard in early 2012, defining the scope of application to cover Wi-Fi, powerline, and coaxial cables Abstract layer (abstracTIon layer) of home network such as coax and Ethernet.
More and more chip manufacturers expect that in the future, all devices in the digital home can be connected to various services; but they also understand that there is no single network technology that can support the above vision, so most manufacturers decide to support hybridity (hybird) 's home network strategy.
For example, Atheros, a Wi-Fi chip supplier, acquired power line technology expert Intellon in September 2009 and recently published a hybrid Wi-Fi / HomePlug reference design; its competitor Broadcom acquired a power line chip in November 2010 Manufacturer Gigle, and is developing a similar reference design.
The above-mentioned IEEE standard work will specifically cover Wi-Fi, Ethernet and MoCA (MulTImedia over Coax Alliance) version 1.1, as well as two power line network technologies under the IEEE 1901 standard.
"We found that there is a need for the integration of Wi-Fi and power line network technologies in the European market; at the same time, some US manufacturers are also committed to promoting the similar integration of MoCA and Wi-Fi technology. Therefore, the consensus after discussion is to establish a standard;" Paul Houze, chairman of the IEEE 1905.1 working group and a French Telecom standards expert, said.
In addition, MoCA chip suppliers including Entropic CommunicaTIon and power line chip supplier Sigma Designs also expressed support for the concept of hybrid home networks.
The abstraction layer defined by the 1905.1 working group will be located between the Media Access Controller (MCA) and the Internet Protocol (IP) layer, with the goal of simplifying the installation and management of hybrid home networks, "So consumers will be able to buy support Plug-and-play equipment with a variety of interface technologies. "Houze added that this new interface requires changes in the design of the home network chip.
According to the introduction of the 1905.1 working group's official website, the new standard will be malleable and able to work with other home networking technologies. However, it is unclear whether such standards will also contribute to the unification of relatively narrow-band home automation network technologies such as Zigbee and Z-Wave.
The official website also describes that the 1905.1 standard is designed to allow dynamic interfaces with optional protocol or packet transmission methods from any interface, and supports end-to-end QoS (quality of service) policy. The new standard is also expected to simplify the configuration process of hybrid networks, such as adding devices to the network, setting passwords, or expanding network coverage.
The new standard also attempts to improve the efficiency of management functions of hybrid networks, such as network and device search, path selection, QoS negotiation, and network control / management. "This is really a brand new idea, we must consider those technologies that are not necessarily similar, so there are bound to be some challenges." Houze said.
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