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DFS Overview of the Joint Proposal

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Presentation on theme: "DFS Overview of the Joint Proposal"— Presentation transcript:

1 DFS Overview of the Joint Proposal
9/14/2018 doc.: IEEE /xxx July 2001 DFS Overview of the Joint Proposal S. Choi1, Peter Ecclesine4, S. Gray2, C. Hansen5, M. Kasslin2, J. Kim5, S. Mangold3, Andrew Myles4, A. Soomro1, David Skellern4 Philips Research1, Nokia Research Center2, ComNets Aachen University3, Cisco4, and Broadcom5 Aachen Univ, Broadcom, Cisco, Nokia and Philips Sunghyun Choi, Philips Research

2 AP Polling to Assist DFS
July 2001 AP Polling to Assist DFS AP Makes the DFS Decision AP Requests interference information from STAs Basic Channel Measurement CF Channel Measurement STA Responds Default Report Extended CCA Report Extended BSS Report Aachen Univ, Broadcom, Cisco, Nokia and Philips

3 Extended BSS Report Unknown RSSRI Histogram BSS Sets
July 2001 Extended BSS Report Unknown RSSRI Histogram Profile of a frames that cannot be completely decoded BSS Sets Beacon Information from each BSS RSSRI Histogram for each STA in each BSS Aachen Univ, Broadcom, Cisco, Nokia and Philips

4 Extended BSS Report AP 2 AP 1 AP 3 STA
July 2001 Extended BSS Report AP 2 The STA is part of BSS 1 but can received signals from BSSs 2 and 3. Extended BSS Reports allow AP 1 to determine precise interference information from each STA. AP 1 AP 3 STA Aachen Univ, Broadcom, Cisco, Nokia and Philips

5 July 2001 Extended BSS Report The Extended BSS Report allows the AP to understand the detailed interference environment seen by each STA Understand where the interference is Understand power and time density of the interference Allow the AP to make intelligent DFS choices Minimize interference Maximize utility of DFS Aachen Univ, Broadcom, Cisco, Nokia and Philips

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