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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: IEEE802.15.3: A proposal to expand a network within a limited frequency resources by accommodating Daughter Network using GTS. Date Submitted: July 09, 2001

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

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  1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: IEEE802.15.3: A proposal to expand a network within a limited frequency resources by accommodating Daughter Network using GTS. Date Submitted: July 09, 2001 Source: Shig Sugaya, Mit Suzuki, Masa Akahane Company: Sony Corporation Address: 6-7-35 Kitashinagawa Shinagawa-ku, Tokyo Japan 141-0001 Voice: +81.3.5782.5067, FAX: +81.3.5782.6880 E-Mail: sugaya@wcs.sony.co.jp, Suzuki@wcs.sony.co.jp, akahane@wcs.sony.co.jp Re: [ P802.15.3/D0.4 ] Abstract: This proposal presents to more logically independent but physically coordinated networks within a limited frequency resources by accommodating Daughter Network using GTS. Purpose: To provide an improvement to the current version of the 802.15.3 MAC Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that these viewgraphs becomes the property of IEEE and may be made publicly available by P802.15, however, the substance of the subject matter contained in the viewgraphs remains the property of Sony Corporation. S.Sugaya, M.Suzuki, M.Akahane, Sony Corporation

  2. Need Efficient Capacity Utilization • Issues and motivation • Network mobility need to be addressed as it is Wireless PAN and it provides a situation that multiple WPAN may coexist within a small geographical area • Channels may fully be occupied within a small geographical area with multiple peer-to-peer type networks even though the capacity of the channel is not overflowed • Solution • Accommodate “Daughter Network” Concept • Recursively generate Daughter Network using GTS • It provides a expansion of a network without significant impact by modification S.Sugaya, M.Suzuki, M.Akahane, Sony Corporation

  3. Daughter Network in an Assigned GTS • Daughter Network • A Station keeps as it is in an original network, while it becomes a Coordinator of daughter network by continuously been assigned a GTS from the Coordinator of the original network • Daughter network can recursively general another daughter network within the GTS S.Sugaya, M.Suzuki, M.Akahane, Sony Corporation

  4. Frame Structure Concept Parent Network Frame Beacon CAP Contention Free Period GTS0 GTS1 Daughter Network Daughter Frame CAP Beacon Contention Free Period GTS2 GTS0 GTS1 S.Sugaya, M.Suzuki, M.Akahane, Sony Corporation

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