1. doc.: IEEE - 15-11-0345-00-004j Submission May 2011 Kiran Bynam, Samsung Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Samsungs Pre-proposal for 802.15.4J] Date Submitted: [2 May 2011] Source: [Kiran Bynam, Seung Hoon Park, Ranjeet.K.Patro, Thenmozhi Arunan, Dr.Euntae Won], Company [Samsung Electronics] Address [Bagmane Tech Park, CV Raman nagar, Bangalore] Voice:[+91 9986154930], FAX: [+91 80 41819000], E-Mail:[kiran.bynam@samsung.com] Re: [Call for Proposals, March 2011] [If this is a response to a Call for Contributions, cite the name and date of the Call for Contributions to which this document responds, as well as the relevant item number in the Call for Contributions.] [Note: Contributions that are not responsive to this section of the template, and contributions which do not address the topic under which they are submitted, may be refused or consigned to the “General Contributions” area.] Abstract:[This document describes the Samsungs Pre-Proposal to 802.15.4j] Purpose:[For consideration by TG 4j group] 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 15-11-0345-00-004j Submission May 2011 Pre-Proposal for IEEE 802.15.4J Kiran Bynam, Ranjeet K Patro, Seung-Hoon Park, Thenmozhi Arunan, Dr.Eunte Won Kiran Bynam, Samsung

3. doc.: IEEE - 15-11-0345-00-004j Submission outline Technical Requirements Modulation Spectrum characteristics –Will it fit new regulations ? Tx Chain –Performance –Link Budget Channel Spacing MAC requirements Summary Kiran Bynam, Samsung May 2011

4. doc.: IEEE - 15-11-0345-00-004j Submission Technical Requirements and scope PHY and MAC amendment for 802.15.4 for support of medical devices in MBAN spectrum –Secondary usage of MBAN spectrum –Reusability of 802.15.4 protocol and PHY to enable the shifting of spectrum to 2.4 GHz ISM band in case of congestion in MBAN spectrum –Spectrum usage limited to data transmission intended for diagnosis, treatment of patients Kiran Bynam, Samsung May 2011

5. doc.: IEEE - 15-11-0345-00-004j Submission Modulation To be complaint with 802.15.4, same modulation used in 2.4 GHz can be employed –OQPSK modulation 32 I and Q chips for 250 kbps –More reusability with the zigbee PHY The MAC can smoothly transfer between MBAN spectrum and 2.4 GHz spectrum in case of congestion in MBAN spectrum Kiran Bynam, Samsung May 2011

6. doc.: IEEE - 15-11-0345-00-004j Submission Spectral Characteristics Spectrum of OQPSK modulation used in 802.15.4 is able to achieve 20 dB bandwidth of 5 MHz 26 dB Kiran Bynam, Samsung May 2011

7. doc.: IEEE - 15-11-0345-00-004j Submission Spectral characteristics with Finite resolution 24 dBr at |f-f c | > 2.5 MHz Kiran Bynam, Samsung May 2011

8. doc.: IEEE - 15-11-0345-00-004j Submission Transmitter Block Diagram Symbol Mapper (4 bit) OQPSK modulation To pulse shaping & AFE Simple 16-ary based OQPSK as in 802.15.4 Constant envelope, continuous phase modulation FEC should be added to increase the reliability of data Systematic codes preferred Optional decoder at receiver 802.15.4 PHY FEC Kiran Bynam, Samsung May 2011

9. doc.: IEEE - 15-11-0345-00-004j Submission Performance characteristics for 802.15.4 2 dB SNR -3 dBm output power Receiver sensitivity -85 dBm Performance Criteria – 1% PER with 20 bytes packet Range (Channel index=2) – 125 m in awgn channel Range (Channel index=3) – 25 m in awgn channel Kiran Bynam, Samsung May 2011

10. doc.: IEEE - 15-11-0345-00-004j Submission Channel Spacing 5 MHz channel spacing 8 channels in 40 MHz band Default channel always at 2390-2395 MHz band Kiran Bynam, Samsung May 2011

11. doc.: IEEE - 15-11-0345-00-004j Submission MAC Requirements Low power consumption –Low duty cycling QoS for medical data –Enhanced channel access scheme –Robust mesh networking Mobility –Seamless monitoring Support for easy pairing –Intuitive/autonomous device discovery –simple association procedure May 2011 Slide 11Kiran Bynam, Samsung

12. doc.: IEEE - 15-11-0345-00-004j Submission Summary Reuse of 802.15.4 Modulation scheme Proposal for use of low complexity systematic block codes Channel spacing Use of default channel for pairing May 2011 Kiran Bynam, Samsung