1. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Identifiers for Peer Aware Communication MAC Sublayer Date Submitted: 12 May, 2015 Source: Seong-Soon Joo, Hyo-Chan Bang 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: Abstract: As a contribution proposal for the IEEE 802.15 TG8 standards, the PAC MAC identifiers structure is proposed. Purpose:Response to the IEEE802.15 TG8 call for contribution 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 802.15-15-0396-00-0008 Submission ETRI May 2015 Slide 2 Identifiers for Peer Aware Communication MAC Sublayer Seong-Soon Joo*, Hyo-Chan Bang ETRI

3. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 What should be identified at PAC MAC? Focus on the needs of identification at the MAC sublayer –consider the application requirements on MAC sublayer –differentiate on performing of medium access according to applications –discovery, peering, data transmit, power consumption What should be identified in terms of MAC sublayer, medium access ? –peer device –peer or peer link –peer network or peer group –peer application : how to support identification at MAC sublayer? Slide 3 PAC Network 1 PD5 PD4 PD1 PAC Network 2 PD2 PD3

4. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Identifiers for PAC MAC sublayer (I) Peer Device (PD) –assigned by the manufacturer of a PD Peer Device address (PD address) –IEEE EUI-64 identifier Slide 4

5. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Identifiers for PAC MAC sublayer (II) Peer Aware Communication Network (or Group) –network or group ? source : ‘http://choicelearning.blogspot.ca/2006/09/group-vs-network.html’ –Groups require unity, networks require diversity –Groups require coherence, networks require autonomy –Groups require privacy or segregation, networks require openness –Groups require focus of voice, networks require interaction. application based group at MAC sublayer –peer group single PD can form a peer group, even before discovering a peer –need an identifier which can present the distinction of performing medium access for a peer group different in medium access : priority in discovery or peering, CAP or CFP, granted bandwidth, level of power consumption Peer Group address (PG address) –instead of PAN address –medium access type of a peer group + peer group identifier –medium access type : up to 16 types, 4bits –peer group number : 12bits, assigned by hashing of initiator PD ID 64 bit address is coded into 12 bits peer group number use a set of hashing functions Slide 5

6. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Identifiers for PAC MAC sublayer (III) Peer (or Link) –assign to a link between two ends –identify two ends of a link Peer Link Identifier (PL ID) –PD address of other end + peer link number –Peer Link number : 8bits selects a number sequentially Slide 6

7. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Identifiers for Discovery available discovery information –source PD address –PG address –application dependent information from higher layer delivery of discovery information –source PD address & PG address in MAC Frame Header –application dependent information in payload of Discovery Request Command Slide 7

8. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Identifiers for Peering for peering request command –source PD address –PG address –destination PD address –Peer Link number for peering response command –source PD address –PG address –destination PD address –Peer Link number Slide 8

9. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Identifiers for Data Transmitting for data frame without peering –source PD address –PG address –destination PD address for data frame with peering –(source PD address) –PG address –destination PD address –Peer Link number Slide 9

10. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Identifiers for Special Purpose Broadcasting –discovery request command frame Group broadcasting –not expect to receive ACK –for broadcasting data frame to peer group, set destination PD address to 0xffff ffff ffff ffff Group multicasting –expect to receive ACK –for multicasting data frame to peer group, set destination PD address to 0xffff ffff ffff fffe Slide 10

11. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Appearance Indication of Identifiers in MHR according to the frame type field –discovery request command frame source PD addr., PG addr. –discovery response command frame source PD addr., PG addr., destination PD addr. –peering request command source PD addr., PG addr., destination PD addr., Peer Link ID –peering response command source PD addr., PG addr., destination PD addr., Peer Link ID –data frame source PD addr., PG addr., destination PD addr., (Peer Link ID) (source PD addr.), PG addr., destination PD addr., Peer Link ID Slide 11 Octets:220/8 0/1 Frame ControlPG address Source PD address Destination PD address Peer Link ID Addressing Fields

12. doc.: IEEE 802.15-15-0396-00-0008 Submission ETRI May 2015 Frame Filtering at MAC Sublayer get the type of frame from the frame control field the first frame filtering –filtering all the frame check the medium access type of PG ID if not matched with medium access types registered by higher layer, discard the second frame filtering –pass discover req. command frame to higher layer –filtering frames except discover req. frame check the Peer Group number of PG ID if not matched with discovered PG IDs, discard the third frame filtering –check the destination peer device ID if not matched, discard –pass frame to higher layer Slide 12