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System and a method for building routing tables an

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专利名称:System and a method for building routing

tables and for routing signals in anautomation system

发明人:Peter Shorty申请号:US09870497申请日:20010601

公开号:US20030109270A1公开日:20030612

专利附图:

摘要:The present invention relates to a wireless home automation system having acontroller for controlling a broad variety of functions via two ways communication with a

plurality of devices. More specifically, the invention relates to an improved and flexibleway of routing signals from a controller to a device which includes the building of varioustables such as routing tables. The improved and flexible way of routing allows the user toreach any device within the network with a high reliability. According to the invention, aprocessing unit of a controller is adapted to instruct a first device to discover otherdevices within its range by transmitting a signal comprising a device table holding deviceidentifiers of devices controlled by the controller. The devices in the system are adaptedto, upon instruction, perform a discovery of other devices within its range by transmittingdiscovery signals addressed to each device in the device table received from thecontroller. The devices save the identifiers of the device which acknowledges thereception of the discovery signals in a list indicating which devices of the device table itcan reach and which it can not reach. The controller can at any time collect the saved listfrom a device to build a routing table.

申请人:SHORTY PETER

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