1. doc.: IEEE 802.15- Submission, Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Enhancement to 802.15.4-2006 on Superframe and Channel Diversity] Date Submitted: [10 Nov, 2008] Source: [Qin Wang / Peng Zeng], Company [University of Science & Technology Beijing/ Shenyang Institute of Automation-Chinese Academy of Sciences /] Address [ 30 Xueyuan Road, Beijing 100083, China] Phone: [+8610-62334781], FAX: [+8610-82372028 ], E-Mail: [ wangqin@ies.ustb.edu.cn] Re: [IEEE P802.15.4e Call For proposal] Abstract:[] Purpose:[This document is a response to Item a) better support the industrial markets in IEEE P802.15.SG4e Call for Application on 14 November, 2007] 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. doc.: IEEE 802.15- Submission, Slide 2 Enhancement to 802.15.4-2006 on Superframe and Channel Diversity Qin Wang1), Peng Zeng2) 1) University of Science & Technology Beijing 2) Shenyang Institute of Automation-Chinese Academy of Sciences 18 January 2009 wangqin@ies.ustb.edu.cn

3. doc.: IEEE 802.15- Submission, Slide 3 Objective 1.Increase reliability 2.Increase deterministic degree of end-to-end communication 3.Balance the fast communication for emergency information and the very low duty cycle communication for regular information 4.Compatible with IEEE 802.15.4-2006 device

4. doc.: IEEE 802.15- Submission, Slide 4 MAC Behavior Categories 1. Superframe TDMA 2. MESH support Path diversity 3. Resource Scheduling 4 Time synchronization 5. ACK 6. Beacon Scheduling 7. Channel diversity Hopping (adaptive, black lists, etc) 8. Portability Fast association/disassociation

5. doc.: IEEE 802.15- Submission, Slide 5 Mesh & Star Topology R-type node is implemented with FFD, and Device is implemented with RFD

6. doc.: IEEE 802.15- Submission, Slide 6 E-Superframe Beacon of 802.15.4 superframe CAP CFP inactive 16 slot SD BI IEEE802.15.4 Superframe

7. doc.: IEEE 802.15- Submission, Slide 7 PeriodLength (slots) Beacon1 CAP7 CFP8 Intra-cluster16 Inter-cluster32 Default Superframe -64 slots

8. doc.: IEEE 802.15- Submission, Slide 8 scheduled period of routers are managed by the system manager CH1 CH2 CH3 CH4 CH5 CH6 CH7 Sleeping Collect data from SNs Relay data via mesh backbone sleeping *=>R1 R2=>R1 * retry Two-stage Management: timeslot, channel vs. link scheduled by cluster head *=>R1 R1=>R2 R1=>R3R3 =>R1R2 =>R1 Distributed management G 1 2 34 5

9. doc.: IEEE 802.15- Submission, Slide 9 Variable E-superframe Superframe lengthChannelNum of basic superframe GW32111 R132121 R264122 R2(channel12) CAPCFP Intra- cluster Inter- cluster GW(channel11) CAPCFP Intra- cluster Inter- cluster R1(channel12) CAPCFP Intra- cluster Inter - cluster CAPCFP Intra- cluster Inter - cluster CAPCFPIntra-clusterInter-cluster CAPCFP Intra- cluster Inter- cluster CAPCFP Intra- cluster Inter- cluster CAPCFP Intra- cluster Inter- cluster CAPCFP Intra- cluster Inter- cluster CAPCFPIntra-clusterInter-cluster

10. doc.: IEEE 802.15- Submission, Slide 10 Implementation Consideration (cont) Add-Link, Updata-link, Release-link, Add-SFR, Update-SFR, Release-SFR

11. doc.: IEEE 802.15- Submission, Slide 11 MCPS-DATA.request ( SAMode, DAMode, DstPANId, DA, msduLength, msdu, msduHandle, TxOptions, SecurityLevel, KeyIdMode, KeySource, KeyIndex ) Implementation Consideration (cont.) 4bits For b3 ， 1= inactive TDMA transmission ， 0=others

12. doc.: IEEE 802.15- Submission, Slide 12 Adaptive Channel Diversity (AFD) R N 123

13. doc.: IEEE 802.15- Submission, Slide 13 AFD-Retry Ri N1 N2 N3 N4 Rx ACK 2 1st channel Retry channel Contention period channel 2 Competitive retry 3 Invited retry Rx Tx Rx ACK Tx Rx Normal comm. Retry period CAP RxACK REQ TxRx Tx Rx ACK Rx ACK 1 Tx TX Rx ACK Rx Tx Rx ACK Tx RxACK REQ TxRx Tx Rx ACK Rx ACK Tx TX Rx Tx Rx Inter-clusterRetry periodCAP 1 fixed retry 3

14. doc.: IEEE 802.15- Submission, Slide 14 Implementation Consideration – change channel

15. doc.: IEEE 802.15- Submission, Slide 15 Implementation Consideration – retry

16. doc.: IEEE 802.15- Submission, Slide 16 Reference 15-08-0619-00-004e Enhancement to 802.15.4-2006 for hybrid contention access and scheduled access 15-08-0620-00-004e Enhancement to 802.15.4-2006 with Adaptive Frequency Diversity 15-08-0820-00-004e Enhancement to 802.15.4-2006 for Process Automation