1. doc.: IEEE 802.15-09-0114-00-004g-Trends-in-SUN-capacity
<month year>
March 2013
Project: IEEE P Working Group for Wireless Personal Area Networks(WPANs)
Submission Title: Some comment resolutions for TG4m ranging
Date Submitted: March 2013
Source: Mi-Kyung Oh, Jaehwan Kim, and Sangsung Choi (ETRI), Soo-Young Chang (SYCA)
Contact:
Voice: ,
Re: [ m]
Abstract: This documents provides some proposed ranging resolutions for LB #87
Purpose: To provides proposed resolutions for LB#87
Notice: This document has been prepared to assist the IEEE P 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 P
Slide 1
ETRI & SYCA
Emmanuel Monnerie, Landis+Gyr

2. Comments for Ranging Issues
<month year>
doc.: IEEE <doc#>
March 2013
Comments for Ranging Issues
CID 517
CID 528
CID 532
CID 533
CID 537
CID 538
CID 541
CID 542
CID 547
Slide 2
ETRI & SYCA
<author>, <company>

3. doc.: IEEE 802.15-<doc#>
<month year>
doc.: IEEE <doc#>
March 2013
CID517
S.1, 95, 18
In order to incorporate these requirements, exploiting GPS receiver for TBVDs will be a solution.
Comments
Definition of TBVD?
Proposed Change
Clarify
Proposed Resolution
Accept in Principle
Delete TBVD and rewrite the sentence
It may be possible to provide a geo-location capability by incorporating a GPS receiver on a device. (CID 518)
Slide 3
ETRI & SYCA
<author>, <company>

4. doc.: IEEE 802.15-<doc#>
<month year>
doc.: IEEE <doc#>
March 2013
CID528
S.2, 95, 34
However, the timing of RMARKER arrival at the receiver that determines the ranging performance is susceptible to noise, signal bandwidth, and operation clock.
Comments
How is it dependent on the operation clock - jitter/accuracy?
Proposed Change
Clarify
Proposed Resolution
Accept in Principle
Change "clock" to "clock frequency tolerance"
Slide 4
ETRI & SYCA
<author>, <company>

5. doc.: IEEE 802.15-<doc#>
<month year>
doc.: IEEE <doc#>
March 2013
CID532
S.1, 95, 11-22
Comments
There are editorial changes needed here. Acronym TBVD, for example - and where do we tell what is meant by TVBD?
Proposed Change
Clarify
Proposed Resolution
Accept in Principle
Delete TBVD and rewrite the sentences
Refer document m
Slide 5
ETRI & SYCA
<author>, <company>

6. doc.: IEEE 802.15-<doc#>
<month year>
doc.: IEEE <doc#>
March 2013
CID533
S.2, 95, 39-40
In the following, the time of arrival(ToA) estimation for OFDM PHY and the symbol transition timing (STT) estimation for FSK PHY are briefly described
Comments
Why is the order of discussion OFDM then FSK when it is FSK then OFDM in the main document order?
Proposed Change
Reverse order of FSK and OFDM
Proposed Resolution
Accept
Reverse order of S.3, S.4
Slide 6
ETRI & SYCA
<author>, <company>

7. doc.: IEEE 802.15-<doc#>
<month year>
doc.: IEEE <doc#>
March 2013
CID
S.4, 96, 5
The phase of FSK signal is increasing and decreasing according to time and experiences changeover at every symbol duration during preamble
Comments
CID537: "...Increasing and decreasing according to time..." doesn't sound correct
CID538: How does it changeover - does this mean that the phase transitions? Need to describe where the changeover takes place. Does "…every symbol duration.." mean "…during each symbol…"?
Proposed Change
CID537: Change to "...is varying with time..“
CID538: Clarify
Proposed Resolution
Accept in Principle
“The phase of the FSK signal experiences inflection point at every symbol during preamble.”
Slide 7
ETRI & SYCA
<author>, <company>

8. doc.: IEEE 802.15-<doc#>
<month year>
doc.: IEEE <doc#>
March 2013
CID
S.4, 96, 8-9
Since the TVWS WPAN FSK PHY allows the applications to specify preambles long, large number of preambles involved in STT estimation enables ranging performance enhancement due to suppressed noise
Comments
CID541: Should the preamble length have a unit (such as symbols)?
CID542: Does the sentence mean that the STT estimation is done over many preambles, or over many symbols in one preamble?
Proposed Change
Clarify
Proposed Resolution
Accept in Principle
“Since the TVWS WPAN FSK PHY allows applications to specify the variable length of preamble symbols, e. g., bytes, ranging performance can be enhanced by increasing the number of preamble symbols involved in STT estimation.”
Slide 8
ETRI & SYCA
<author>, <company>

9. doc.: IEEE 802.15-<doc#>
<month year>
doc.: IEEE <doc#>
March 2013
CID547
S.4, 95/96, 54/1
Different from the UWB and OFDM PHYs that exploit a correlation property of preamble sequence, the timing of RMARKER arrival in FSK system can be obtained from STT estimation during preamble
Comment
Various missing definite and indefinite articles
Proposed Change
Change to"Unlike the UWB and OFDM PHYs that exploit a correlation property of the preamble sequence, the timing of the RMARKER arrival in an FSK system can be obtained from STT estimation during the preamble, "
Proposed Resolution
Accept
Slide 9
ETRI & SYCA
<author>, <company>