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公开(公告)号：EP1700429A2
公开(公告)日：2006-09-13
申请号：EP04814730.0
申请日：2004-12-20
申请人： MOTOROLA, INC.
发明人： HESTER, Lance, E. , HUANG, Yan , RAMADAS, Padmaja
IPC分类号： H04L12/28
摘要： An apparatus and method for a spanning tree network. A communication device (160, Fig.1) can connect to a piconet network (100) and the communication device can transmit at least one available piconet identifier prior to receiving a request for the available piconet identifier from a dependent communication device (180), the available piconet identifier providing a parent piconet coordinator identification for the dependent communication device. A dependent communication device can connect to the piconet network, determine if the communication device can support a dependent piconet, and receive at least one available piconet identifier prior to requesting information regarding establishing a dependent piconet, the available piconet identifier providing parent piconet identification for the communication device for the dependent piconet.
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2.发明公开METHOD AND APPARATUS FOR DISCOVERING NEIGHBORS WITHIN A PICONET COMMUNICATION SYSTEM 审中-公开方法和设备，在一个联合国微微通信系统发现NEIGHBORS
公开(公告)号：EP1665641A2
公开(公告)日：2006-06-07
申请号：EP04780831.6
申请日：2004-08-11
申请人： MOTOROLA, INC.
IPC分类号： H04L12/28
摘要： In order to discover neighboring nodes (203, 207, 208) within a particular piconet, a first node (206) determines a list of all nodes (205-207) within its piconet (201) and then transmits to each node within the piconet, a message requiring a response. Depending upon which nodes are heard from, a list is formulated by the first node comprising those nodes neighboring the first node. In order for neighboring nodes within other piconets to 'discover' the first node, the first node will also scan its environment to determine piconet identifications for other piconets, and then broadcast a 'discovery' message having a piconet identification of a neighboring piconet. In a similar manner, the first node will also scan its environment to determine discovery messages transmitted by other nodes, thus determining neighboring nodes outside its piconet.
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