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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks(WPANs) Submission Title: Comment resolution for CID 277 Date Submitted: Sept. 2013 Source: Jaehwan Kim, M i-Kyung Oh, and Sangsung Choi (ETRI), Soo-Young Chang (SYCA) Contact: kimj@etri.re.kr

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  1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks(WPANs) Submission Title: Comment resolution for CID 277 Date Submitted: Sept. 2013 Source: Jaehwan Kim, Mi-Kyung Oh, and Sangsung Choi (ETRI), Soo-Young Chang (SYCA) Contact: kimj@etri.re.kr Voice:+82 42 860 5338, E-Mail: kimj@etri.re.kr Re: Abstract: This document provides proposed resolution for CID277 of Sponsor Ballot Purpose: 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. Slide 1 ETRI

  2. CID 277 • Comments • The RNG field is not necessary. Need to capture ranging timer is indicated by presence of a ranging request IE and is a decision that should be made in the MAC layer(the simplest PHY implementation is to always capture receive timer) • Proposed Change • Remove field ETRI

  3. CID 277 • Proposed Resolution • Reject • Benefits from Ranging field in PHR has been fully discussed (doc. 12-0514, “Benefits of ranging bit in PHY for TG4m ranging”) • Efficient on/off of ranging counter • Triggering a timing correction logic for enhancing accuracy • Reducing MAC overhead • There will be many approaches to use the ranging bit in PHY in the view of implementation • In addition, always operating the ranging counter for receiver timestamps entails extra power consumption of the system, especially for the non-ranging frames. ETRI

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