doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [PHY pre-proposal for PAC low rate services] Date Submitted: [May 2013] Source: [Tae-Joon Park*, Jae-Min Ahn**, Keun Hyung Lee*, Wun-Cheol Jeong*, Chang-Sub Shin*, Hoyong Kang*] Company: [*ETRI, **Chungnam National Univ.] E-Mail:[*tjpark@etri.re.kr, **jmahn@cnu.ac.kr] Re: [] Abstract: 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. <author>, <company>

PHY pre-proposal for PAC low rate services <month year> doc.: IEEE 802.15-<doc#> PHY pre-proposal for PAC low rate services Tae-Joon Park*, Jae-Min Ahn**, Keun Hyung Lee*, Wun-Cheol Jeong*, Chang-Sub Shin*, Hoyong Kang* *ETRI, **Chungnam National Univ. <author>, <company>

doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> Target services Source : 15-12-0684-00-0008-the-pac-application-matrix.xls Social Networking Presence indicator with updates SHOPPING/ ENTERTAINING – Advertisement Commercial Broadcast SMART ENVIRONMENT - Home/ Office (Device based) Personalized machine confguration and Management (smart office or home) - no S/W downloads HEALTH / Energy- Monitoring/Service Large network machine type communication Peer-aware Monitoring/Assistance Public Safety Support/Service Hazard Notification Public Emergency TRAFFIC/TRANSPORTATION - Road/Train/Airport Police/Public Helps Roadside Assistance - Congestions, Accident (fast), Event Communication Interactive Transportation Management <author>, <company>

doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> Requirements Especially for Emergencies : Longer battery life Relatively low rate Simple HW Relatively longer distance Viability is more important than the transmission rate ! <author>, <company>

doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> Discovery mode PHY As simple as possible Will be harmonized with common discovery mode 15-13-0275-00-0008-phy-pre-proposal-for-pac-common-discovery-mode.ppt 15-13-0182-01-0008-common-discovery-mode-for-pac.ppt <author>, <company>

Communication mode PHY <month year> doc.: IEEE 802.15-<doc#> Communication mode PHY Targeted to emergency like public safety in disaster Low energy, long life Error control coding Flexibility & adaptability Multiple data rates according to channel conditions Selective FEC for Asymmetric topology <author>, <company>

doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> Preamble Purpose of preamble Signal detection AGC synchronization AFC : frequency synchronization Symbol synchronization Frame synchronization Etc. Preamble sequence candidates CAZAC sequence M-sequence Barker code Gold code <author>, <company>

Example of transmitter structure <month year> doc.: IEEE 802.15-<doc#> Example of transmitter structure SHR : Preamble, SFD PHR/PSDU : Discovery / Communication mode Communication mode information Spreading/ scramble Scramble Preamble MUX Modulation Modulated Signal Error control coding Add CRC Discovery mode <author>, <company>

doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> PHY parameters Band candidates : Sub-1GHz, 2.4GHz Data rate and Bandwidth Discovery mode PHY 50Kbps, 200KHz Communication mode PHY Multi-rate Ex) 50/100/200/400 Kbps, 400 KHz <author>, <company>