1. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: MAC proposal for supporting the TVBD network Date Submitted: 9 July, 2012 Source: Seong-Soon Joo, Jong-Arm Jun, Nae-Soo Kim, Cheol-Sig Pyo Company: ETRI Address: 161 Gajeong-dong, Yuseong-gu, Daejeon, KOREA Voice: +82-42-860-6333, FAX: +82-42-860-4197, E-Mail: ssjoo@etri.re.kr Re: Call for proposals Abstract: This contribution presents a proposal on the MAC design for the IEEE 802.15.4m. Purpose:Technical proposal for discussion in IEEE 802.15.4m 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 802.15-12-0335-01-004m Submission ETRI July 2012 Slide 2 MAC Proposal for supporting the TVBD network Seong-Soon Joo*, Jong-Arm Jun, Nae-Soo Kim, Cheol-Sig Pyo ETRI

3. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Requirements on TVWS WPAN Operations in TVWS frequency bands under regulatory constraints Data rate of typically 40Kbps to 2Mbps & optionally 10Mbps Optimal & power efficient device command & control applications Operating range of at least 1Km At least 1000 direct neighboring devices Multi-band capability Coexistence with primary users (TV broadcasting) Slide 3

4. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 TVBD Networks TV Band Devices –Fixed device –Personal/Portable Mode I device –Personal/Portable Mode II device TVBD Networks –mixture of various grades of devices multi-rate : 40Kbps~2Mbps, 10Mbps QoS : sensing, monitoring, multi-media fixed or nomadic –operation with the spatial & temporal variation operation overhead : TVWS DB, channel availability check not guaranteed : perform in-service monitoring and move channel or cease transmission –wide area network network configuration : long range, star topology more open to public : IP over TG4m Slide 4

5. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 TG4m PHYs Multiple alternative PHYs –multiple channel plan for TVWS-OFDM 15 TVBD Channels / 1 TV Channel 5 TVBD Channels / 1 TV Channel 1 TVBD Channels / 1 TV Channel –mulitple binding of link resources channel binding time slot binding Channel environment adaptive PHYs –PHY configuration changes on-the-fly –special needs for low overhead adaptation Slide 5

6. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Requirements on TG4m MAC Glue of multiple PHYs and IP based network –low overhead TVWS operation –multi-rate, multiple QoS –frequency and temporal multiplexing –multiple PHYs –IP-over-802.4m Two major goals of TG4m MAC –Unified management of TG4m link resources –Provide transparent link to the IP network Slide 6

7. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Unified Link Resource Management Spectrum Resource Management –binding of white space channels –selection of a transmit power for each transmission in a channel –channel hopping sequence Temporal Resource Management –binding of TDMA slots –assignment of TDMA link Traffic Differentiation and QoS Support –sensing data of utility network & monitoring network –multi-media data for digital signage Slide 7

8. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Transparent Link to the IP Address Space –64 bit IEEE extended address –IPv6 address –neighbor discovery Transparent connection point to the IP –simple one primitive for connection –complete set of connection procedure –adaptable to the variation on TVWS channel –link resource allocation –fast association –support moving device Slide 8

9. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Additional MAC Features TVWS link resource management –channel binding –time slot binding –TVWS resource allocation –TVWS link management IP-over-TG4m port connection –sequential set of procedure with applicable MAC primitives –multiple connection modes depending on the link resource –adaptation interface between IP and TG4m PHY Slide 9

10. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 MAC primitives MLME-LINK –add attributes for managing the TVWS resources –support TVWS operation and binding resources MLME-PORT –support TG4m point-to-point protocol –establishing a direct connection between two TG4m devices –coordinator – device, device – device connection –simple resource allocation –fast association Slide 10

11. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Link Management for TVWS MLME-SET-LINK –primitive for TSCH –used by the device management layer to add, delete, or modify a link in a slotframe –new parameters for TVWS link –linkSpecification –PHY type, number of channel/slot, hopping sequence Slide 11

12. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Port Management for IP-over-TG4m MLME-PORT –primitive for IP-over-TG4m data link –generates Link Control command Link control command –exchange link configuration –start and terminate the link Slide 12

13. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Propose to IEEE 802.15.4m Add two MAC features –TVWS link resource management –IP-over-TG4m port connection Amend two MLME primitives and one set of command –add parameters on MLME-SET-LINK –MLME-PORT –Link control command set Slide 13

14. doc.: IEEE 802.15-12-0335-01-004m Submission ETRI July 2012 Thanks for your Attention! ssjoo@etri.re.kr