1. doc.: IEEE 802.15-11-0174-00-004k Submission ETRI March 2011 Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Wide Area Sensing Applications on the River Restoration Date Submitted: 7 March, 2011 Source: Seong-Soon Joo, Bong-Soo Kim, Jong-Arm Jun, 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: Abstract: The four major rivers restoration project in Korea is introduced and special requirements on wide area sensing applications are considered. Purpose:Response to the IEEE802.15 TG4k call for applications 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 802.15-11-0174-00-004k Submission ETRI March 2011 Slide 2 Wide Area Sensing Applications on the River Restoration Seong-Soon Joo*, Bong-Soo Kim, Jong-Arm Jun, Cheol-Sig Pyo ETRI

3. doc.: IEEE 802.15-11-0174-00-004k Submission ETRI March 2011 Slide 3 Rivers of Future Estimation on the world water demand Water poverty index of major countries The growth of water market led by increasing water demand –By 2050, world population is expected to be 9.2 billion –70% (6.4 billon) of the population will live in urban

4. doc.: IEEE 802.15-11-0174-00-004k Submission ETRI March 2011 Slide 4 The Rivers Restoration Project in Korea Stable Water Resources –Procurement of Water Resources: 18.6 Billion ㎥ (2009) ▶ 21.4 Billion ㎥ (2020) ▶ 22 Billion ㎥ (2050) Stable Supply of Clean Water –The creation of a safe and clean water environment –The reinforcement of demand management for ecological systems conservation and efficient water use –High-quality water source security: improvement of water quality in main streams Planning of quantitative and qualitative improvements of ecological spaces –Expansion of wetland conservation areas –Contaminated rivers restoration Green Revolution of Life / Activation of Ecological Tourism –Green Village Movement Program, Activation of Ecological Tourism –Promotion of the bicycle for use as an environmentally-friendly mode of transportation source : http://www.4rivers.go.kr/

5. doc.: IEEE 802.15-11-0174-00-004k Submission ETRI March 2011 Slide 5 The Four Major Rivers in Korea Major rivers in Korea –Han River : 494 km, basin area 35,770 km 2 –Nakadong River : 506 km, 23,384 km 2 –Geum River : 395 km, 9,912 km 2 –Yeongsan River : 139 km, 3,467 km 2 River Restoration Project –prevention flood disaster –improving water quality and restoring ecology –water acquisition, securing utility water –promoting tourism

6. doc.: IEEE 802.15-11-0174-00-004k Submission ETRI March 2011 Slide 6 The Han River Restoration Plan Water Quality Improvement –Expanding and upgrading environmental facilities: Sewage·waste water treatment facilities (55), Village level sewage pipelines (91), Reinforcement of TP treatment facilities (217), Expansion of sewage pipelines (44) –Control planning for non-point contaminating sources: Rainwater retention facilities, Ecological detention ponds (16), Agricultural ponds and ecological wetlands (30) Ecological Restoration –installation of ecological wetlands (17 points, 13km) –restoration of branch streams and city streams Local Development along with the River –Phased maintenance of local streams (84points, 480km) directly flowing into the Han River –Installation and reparation of banks (341km), Dredging sewage pipeline (52km), Development of ecological streams (87km) source : http://www.4rivers.go.kr/

7. doc.: IEEE 802.15-11-0174-00-004k Submission ETRI March 2011 Slide 7 Wide Area Sensing Applications in River Restoration Prevention of flood disaster –maintenance of waterway : measuring the flow (water level, pondage, precipitation) –reinforcement of old banks : sensing the crack of bank (displacement of bank incline) Water quality improvement & ecological restoration –TP (Total Phosphorus levels of water) treatment : measuring the water quality (pH, BOD, ammonia nitrogen, arsenic, xian, phenol,.. ) –control measures of non-point contaminating sources : tracing the source of contamination Prevention of Water Pollution Accidents –residential waste water treatment facilities –industrial waste water end-treatment facilities

8. doc.: IEEE 802.15-11-0174-00-004k Submission ETRI March 2011 Slide 8 Wide Area Sensing Flood control –measure the flow every 5 min on heavy raining River facility management –monitoring the displacement of bank, dam –install the sensors 10x10m in area Water quality control –sensing the water quality –install the sensors 500m apart dam bank

9. doc.: IEEE 802.15-11-0174-00-004k Submission ETRI March 2011 Requirements of the Wide Area Sensing Network transmission coverage –reach from the sensors on the water surface or river facility –500m ~ 2km range coarse environments –sensors installed on hard maintaining place –operating 10 more years without maintaining low traffic volume –less than 100 bytes per message –periodic messages every 5min Slide 9