1. Submission Title: [Technical Discussion – Issue of compatibility]
August, 2007
Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs)
Submission Title: [Technical Discussion – Issue of compatibility]
Date Submitted: [September 18, 2007]
Source: [Chang Sub Shin] Company [ETRI]
Address [161 Gajeong-dong Yuseong-gu, Daejeon, Korea]
Voice:[ ], FAX: [ ],
Re: []
Abstract: [This is for the discussion on low rate WPAN mesh.]
Purpose: [for discussion and reference]
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
Chunhui Zhu / Samsung

2. Issues about function class and compatibility
August, 2007
Issues about function class and compatibility
Chang Sub Shin, Soyoung Hwang, Bongsoo Kim
ETRI
Chunhui Zhu / Samsung

3. Function class of IEEE802.15.4 M : Mandatory O : Optional
August, 2007
Function class of IEEE
M : Mandatory
O : Optional
O.n : Optional, but support of at least one of the group of options labeled O.n is required.
Chunhui Zhu / Samsung

4. Optional item in IEEE802.15.4 - 1 August, 2007 number item optional
Unsecured mode
Mandatory
secured mode
RFD, FFD
P.17
use of a superframe structure
P.25
acknowledgment frame
P.19
data confidentiality
P.97
MLME-GTS.request
P.100
MLME-GTS.indication
P.99
MLME-GTS.confirm
P.108
MLME-RX-ENABLE.request
P.110
MLME-RX-ENABLE.confirm
P.127
MLME-SYNC.request
P.72
Timestamp
Chunhui Zhu / Samsung

5. Optional item in IEEE802.15.4 - 2 August, 2007 number item optional
MCPS-PURGE.request
RFD
MCPS-PURGE.confirm
P.80
MLME-ASSOCIATE.indication
P.81
MLME-ASSOCIATE.response
P.25
MLME-ORPHAN.indication
P.19
MLME-ORPHAN.response
P.122
MLME-START.request
P.126
MLME-START.confirm
P.190
Promiscuous mode
Chunhui Zhu / Samsung

6. Case - 0 There is example of security function in 15.4
August, 2007
Case - 0
There is example of security function in 15.4
It’s good example to decide about mandatory, optional functions
Chunhui Zhu / Samsung

7. August, 2007
Case - 1
All devices shall be capable of performing passive scans and orphan scans; ED scans and active scans are optional for an RFD. However, an RFD may support active scanning to participate in a nonbeacon-enabled network. (P113)
Chunhui Zhu / Samsung

8. August, 2007
Case - 2
P.66
The PHY shall provide the capability to perform CCA according to at least one of the following three methods:
CCA Mode 1: Energy above threshold. CCA shall report a busy medium upon detecting any energy above the ED threshold.
CCA Mode 2: Carrier sense only. CCA shall report a busy medium only upon the detection of a signal compliant with this standard with the same modulation and spreading characteristics of the PHY that is currently in use by the device. This signal may be above or below the ED threshold.
CCA Mode 3: Carrier sense with energy above threshold. CCA shall report a busy medium using a logical combination of
Detection of a signal with the modulation and spreading characteristics of this standard and
Energy above the ED threshold, where the logical operator may be AND or OR.
Chunhui Zhu / Samsung