Mapping and discovering peer-to-peer wireless networks
First Claim
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1. In a peer-to-peer network, the method of discovering nodes in a wireless network comprising the steps of:
- initializing a list of acknowledged nodes to empty, selecting a first transmit power level, broadcasting a query at the selected power level, listening for acknowledgements from acknowledging nodes, for each acknowledgement received, testing to see if the acknowledging node is already on the list, and if it is not, adding the acknowledging node to the list, recording the identification of the acknowledging node, testing to determine if the search is complete, and if the search is not complete, incrementing the transmit power level and resuming the search process by broadcasting a query at the new selected power level.
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Abstract
Discovery and mapping of network nodes in a peer-to-peer network. Network nodes in a peer-to-peer network are discovered and mapped by sending out queries at varying power levels and recording acknowledgments including a quality-of-service metric from the acknowledging node.
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Citations
20 Claims
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1. In a peer-to-peer network, the method of discovering nodes in a wireless network comprising the steps of:
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initializing a list of acknowledged nodes to empty, selecting a first transmit power level, broadcasting a query at the selected power level, listening for acknowledgements from acknowledging nodes, for each acknowledgement received, testing to see if the acknowledging node is already on the list, and if it is not, adding the acknowledging node to the list, recording the identification of the acknowledging node, testing to determine if the search is complete, and if the search is not complete, incrementing the transmit power level and resuming the search process by broadcasting a query at the new selected power level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. In a peer-to-peer network, the method of discovering nodes in a wireless network comprising the steps of:
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initializing a list of acknowledged nodes to empty, selecting a first transmit power level, broadcasting a query at the selected power level, listening for acknowledgements from acknowledging nodes, recording the identification of the acknowledging node, testing to determine if the search is complete, and if the search is not complete, decreasing the transmit power level and resuming the search process by broadcasting a query at the new selected power level. - View Dependent Claims (15, 16, 17, 18, 19)
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20. In a peer-to-peer network, the method of discovering nodes in a wireless network comprising the steps of:
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initializing a list of acknowledged nodes to empty, broadcasting a query at a high power level, listening for acknowledgements from acknowledging nodes, recording the identification of the acknowledging node, recording a quality of service metric from the acknowledging node, and calculating based on the quality of service metric returned by the acknowledging node the proper transmit power level to use in communicating with the acknowledging node.
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Specification