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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: [Resolution for Sponsor Ballot FEC Comment] Date Submitted: [September, 2011] Source: [Liru LU (Alina), Hiroshi HARADA, Fumihide KOJIMA, and Chin-Sean SUM] Company [NICT]

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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: [Resolution for Sponsor Ballot FEC Comment] Date Submitted: [September, 2011] Source:[Liru LU (Alina), Hiroshi HARADA, Fumihide KOJIMA, and Chin-Sean SUM] Company [NICT] Address [3-4, Hikarino-oka, Yokosuka, 239-0847, Japan] Voice: [+81-46-847-5092], FAX: [+81-46-847-5440], E-Mail: [liru@nict.com.sg, harada@nict.go.jp] Re: [] Abstract: [This document provides resolutions to comments for FEC] Purpose: [This document provides resolutions to comments of 802.15.4g Sponsor Ballot] 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 this contribution becomes the property of IEEE and may be made publicly available by P802.15.

  2. FEC CID 240 • Comment: The operation specified in Figure 115 is broken when both FEC and whitening are simultaneously enabled. The receiver does not know in advance whether or not whitening is used since whitening is signaled with the DW bit in the header (PHR). The FEC block must be placed after the data whitening block in transmit. Equivalently, the FEC block must be placed in front of the whitening block in receive. Proposed change:In Figure 115 make a first concatenator which concatenates the PHR and PSDU. Move the FEC and bypass after the first concatenator. Then make a second concatenator which concatenates the SHR and output of the FEC or bypass. Move the data whitening text ahead of the FEC text, and make the corresponding changes in the text to match the updated figure. [Schmidl, Timothy] • Response: Rejected • Reason: The operation specified in Figure 115 is not broken. No change is required.

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