1. IEEE 802.15-10-0505-00-004g Submission Sangsung Choi & Cheolho Shin, ETRI Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Potential Channel Plan for TG4g SUN in Korean 900MHz band Date Submitted: July, 2010 Source: Sangsung Choi & Cheolho Shin Electronics and Telecommunications Research Institute(ETRI) Voice: +82 42 860 6722, +82 42 860 6831 Fax: +82 42 860 5218 E-maill: sschoi@etri.re.kr, chshin@etri.re.kr Re: Comment Resolution for LB51 Abstract: This presentation summarizes the Radio regulation of Korea in 900MHz. Purpose:Introduce potential channel plan for TG4g SUN in Korean 900MHz band 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. Slide 1 JULY, 2010

2. Submission Sangsung Choi & Cheolho Shin, ETRI IEEE 802.15-10-0505-00-004g Potential Channel Plan for TG4g SUN in Korean 900MHz band Slide 2 IEEE 802 Plenary Session San Diego, CA JULY 2010 Sangsung Choi & Cheolho Shin JULY, 2010

3. Submission Sangsung Choi & Cheolho Shin, ETRI IEEE 802.15-10-0505-00-004g Slide 3 JULY, 2010 Unlicensed band 917 MHz ~ 923.5 MHz in Korea - The unlicensed band 917 MHz ~ 923.5 MHz is assigned for RFID devices and Wireless Sensor Networks. - RFID (Radio Frequency IDentification) and USN(Ubiquitous Sensor Network must share the spectrum in 917 MHz ~ 923.5 MHz in Korea FHSS (Frequency Hopping Spread Spectrum) LBT (Listen Before Transmission) Duty Cycle - TG4g SUN belongs in the same category as USN in Korea Potential channel plan for SUN in 917 MHz ~ 923.5 MHz

4. Submission Sangsung Choi & Cheolho Shin, ETRI IEEE 802.15-10-0505-00-004g Slide 4 JULY, 2010 - 917 – 920.6 MHz RFID which uses DRM(Dense Reader Mode) has priority Channel spacing : 600 KHz (CH 2, 5, 8, 11, 14, 17) Occupied bandwidth ≤ 200 KHz Maximum Power : 4W EIRP Frequency offset tolerance : ± 10 ppm - 920.6 – 923.5MHz : Can share the frequency between RFID and USN Occupied bandwidth ≤ 200 KHz Maximum Power : 200mW EIRP (CH 20 - 32) Channel plan for RFID in 917 – 923.5MHz

5. Submission Sangsung Choi & Cheolho Shin, ETRI IEEE 802.15-10-0505-00-004g Slide 5 Channel Plan for USN in 917 – 923.5MHz - Should share the spectrum with RFID (Radio Frequency IDentification) - Occupied bandwidth : No restriction (≤ 6.5MHz ) - Frequency offset tolerance : ±40 ppm - Maximum Power : 10 mW EIRP except RFID tag channels. RFID tag channels : CH 1, 3, 4, 6, 7, 9, 10, 12, 13, 15, 16, 18. Maximum power in RFID tag channels : 3 mW JULY, 2010

6. Submission Sangsung Choi & Cheolho Shin, ETRI IEEE 802.15-10-0505-00-004g Sharing conditions for RFID and USN Slide 6 - FHSS (Frequency Hopping Spread Spectrum). Maximum hopping time ≤ 0.4 second. The number of hopping channel for RFID : more than 6. The number of hopping channel for USN : more than 16 - LBT (Listen Before Transmission). Carrier sensing time ≥ 5 ms. Carrier sensing level = -65dBm. Transmission duration ≤ 4 second. Pause duration ≥ 50 ms - Duty Cycle. Below 2% in 20 sec duration JULY, 2010

7. Submission Sangsung Choi & Cheolho Shin, ETRI IEEE 802.15-10-0505-00-004g Slide 7 OFDM or FSK system using Channel spacing 200KHz : 14 Channel allotment from 920.6MHz to 923.5MHz OFDM system using Channel spacing 600KHz : 4 Channel allotment from 920.6MHz to 923.5MHz OFDM system using Channel spacing 600KHz : 5 Channel allotment from 917MHz to 923.5MHz Potential Channel Plan for TG4g SUN in Korea JULY, 2010