Patent ID: 7515571
Filing Date: 2009-04-07
Classification: H04W

Abstract:
1. A bridging device for a bridging operation in a high-speed wireless personal area network (WPAN) system that includes a parent piconet having a plurality of devices, a child piconet using time slots allocated by the devices located in the parent piconet, said bridge device located in the child piconet broadcasts information about the devices of the parent piconet and information about the devices of the child piconet, and operates to perform a data transfer between a first specified device included in one piconet and a second specified device included in a second piconet, wherein a specified device included in the high-speed WPAN constructs a MAC (Media Access Control) header data structure for a data transmission that includes a piconet identification field comprising a source piconet identification (ID) field for indicating the piconet to which the specified device belongs, and a destination piconet identification (ID) field for indicating the destination piconet to which the destination device, to which the specified device intends to transmit data, belongs and said bridge device compares a value of said source and destination piconet identification fields to determine whether said data transmission remains within or is provided outside of said source piconet; and performs an operation that includes: