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Building Automation: Wireless Communications, Technologies and Markets Development
PracTel Inc., Feb 2010
This report is important to a wide population of researches, technical and sales staff involved in the developing and implementation buildings automation. It is recommended for both service providers and vendors that are working with related technologies. The report also helps to understand issues associated with relationship between building automation ICT and other communications technologies.
Brief:
Commercial buildings (both office and apartment) represent a huge addressable market of field equipment currently using wired field buses to connect sensors and actuators with lighting, heating, elevators, ventilation, access control, and safety systems. Analyzed in this report wireless technologies features and functionalities are very well suited to commercial building communications applications. The market, so far, is conservative and owners of the buildings cautiously accept wireless technologies (most vendors offer their proprietary technologies). The industry analysts predict that progress in this area will be relatively slow; but in 3-5 years from now around 20%-25% of building automation projects will be engineered with standardized wireless connections; the preferred network topology will be mesh that integrates multiple sensors into the reliable self-organized structure. ZigBee, Bluetooth and Z-wave devices will be well represented in the evolution of building automation communications to wireless structures. The report is analyzing these technologies properties with emphases on building automation and their markets.
There are several wireless technologies to support building automation; the report choice was Bluetooth, ZigBee and Z-Wave. Such a choice was connected with these technologies properties:
-Bluetooth major application is to support cellular technologies, and as such to serve as a gateway from a building network to the Internet or other communications structures;
-ZigBee offers a sophisticated set of properties to support building automation, including security, mesh topology, low power consumption and specifically designated building automation profile;
-Z-Wave attracts by its simplicity, the low cost and as a technology that is able to extend building automation to homes or other smaller areas.
The report also addresses the KNX protocol, one of the most popular existing communications protocols in building automation. The protocol defined the RF subclass; so far, this radio-based technology found limited applications.
The report emphasizes the importance of wireless communications in the development of reliable and low - cost networking for building automation. These technologies help to create green environment, save substantial resources and make user-friendly and comfortable place for workers and tenants.
Research Methodology:
Considerable research was done using the Internet. Information from various Web sites was studied and analyzed. Evaluation of publicly available marketing and technical publications was conducted. Telephone conversations and interviews were held with industry analysts, technical experts and executives. In addition to these interviews and primary research, secondary sources were used to develop a more complete mosaic of the market landscape, including industry and trade publications, conferences and seminars.
The overriding objective throughout the work has been to provide valid and relevant information. This has led to a continual review and update of the information content.
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