1. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: FPP SUN Simulation Results – Redpine Signals Date Submitted: 6 July, 2009 Source: Partha Murali Company: Redpine Signals Inc. Address: 2107 N First Street, Suite #680, San Jose, USA Voice: +1 408 242 8506, E-Mail: partha.murali@redpinesignals.com Re: IEEE 802.15 Task Group 4g Call for Proposals (CFP) on 22 January, 2009 Abstract:This presentation summarizes the performance results of the “Future-Proof” OFDM PHY Merged proposal for Option-2 and Option-3 Purpose: Simulation Results demonstrating the performance of the Merged OFDM proposal for 802.15.4g PHY 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. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 2 Future Proof Platform for SUN: Simulation Results – Redpine Signals Partha Murali IEEE 802 Plenary Session San Francisco July 2009 Contributors: Rishi Mohindra [MAXIM], Emmanuel Monerie [Landis & Gyr], Steve Shearer [Independent], Shusaku Shimada [Yokogawa Electric Co.], Bob Fishette [Trilliant], Sangsung Choi, [ETRI], Roberto Aiello [Independent], Kendall Smith [Aclara], David Howard [On-Ramp]

3. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 3 Future Proof OFDM PHY overview of modes simulated Tx Model for Scalable OFDM PHY Channel Model Used Simulation Results - AWGN Simulation Results - Multipath Sensitivity and Link Margin Calculations Summary References Outline

4. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 4 Future-Proof OFDM PHY - Overview of modes simulated > OFDM Option 1 OFDM Option 2 OFDM Option 3 OFDM Option 4 OFDM Option 5 Unit FFT size1286432168 Active Tones1085226146 # Pilots tones84422 # Data Tones1004822124 Approximate Signal BW106451826414668kHz BPSK 1/2 rate coded and 4x repetition 98 kbps BPSK 1/2 rate coded and 2x repetition 1959443 kbps BPSK 1/2 rate coded 3911878647 kbps BPSK 3/4 rate coded 58628112970 kbps QPSK 1/2 rate coded 78137517294 kbps QPSK 3/4 rate coded 56225814147 kbps 16-QAM 1/2 rate coded 75034418762 kbps 16-QAM 3/4 rate coded 51628194 kbps

5. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 5 Tx Model for Scalable OFDM PHY >

6. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 6 Channel Model used Channel Models used are from: ETSI EN 300 392-2 v3.2.1 which are chosen for SUN simulations > SUN Multipath Channels Channel Type Tap Number Tap Relative Delay (us) Channel Sampling Rate (KHz) Tap Sample Number Average relative power (dB) Typical Urban10312500amp1 25312516-22.3amp2 Bad Urban10312500amp1 25312516-3amp2 Hilly Terrain10312500amp1 215312547-8.6amp2 Note: Channel is Sampled at 5x sampling rate of signal (625Khz * 5 = 3125Khz)

7. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 7 Simulation Results: AWGN – Summary Partha Murali, Redpine Signals Inc. Future Proof OFDM Proposal Option-2 Simulation Results Summary - June 22 Sampling Rate Approximate Signal Bandwidth (- 20dB) In-Band Thermal Noise Floor k*T*B (dBm) assuming 625KHz Noise bandwidth FFT Points Modulatio n Code Rate Data- Rate (Kbps) AWGN 10Byte (dB) AWGN 100Byte (dB) AWGN 1KByte (dB) 625KHz550KHz-1166416-QAM1/275089.510.5 625KHz550KHz-11664QPSK3/4562.55.56.57.4 625KHz550KHz-11664QPSK1/237534.14.9 625KHz550KHz-11664BPSK1/2187.51.5 1.8 Notes 1Receiver Used had an implementation loss of <0.5dB 2Channel Models used are from ETSI EN 300 392-2 v3.2.1 which are chosen for SUN simulations 3The numbers in green are the SNRs for 1% Packet Error Rate

8. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 8 Simulation Results: AWGN – PER Curves >

9. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 9 Simulation Results: Multipath – Summary Partha Murali, Redpine Signals Inc. Future Proof OFDM Option-2 Simulation Results Summary - June 22 Sampling Rate Approximate Signal Bandwidth (-20dB) In-Band Thermal Noise Floor k*T*B (dBm) assuming 625KHz Noise bandwidth FFT PointsModulation Code Rate Data- Rate (Kbps) Typical Urban 100 Byte (dB) Bad Urban 100 Byte (dB) Hilly Terrain 100 Byte (dB) 625KHz550KHz-1166416-QAM1/27501918.618 625KHz550KHz-11664QPSK3/4562.516.417.519 625KHz550KHz-11664QPSK1/237513910.4 625KHz550KHz-11664BPSK1/2187.58.578 Notes 1Receiver Used had an implementation loss of <0.5dB 2Channel Models used are from ETSI EN 300 392-2 v3.2.1 which are chosen for SUN simulations 3The numbers in green are the SNRs for 10% Packet Error Rate

10. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 10 Simulation Results: Multipath – PER Curves >

11. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 11 Sensitivity and Link Margin Calculation Example SNR for 1% PER (dB)1.8 Noise Floor assumed (dBm)-116 RF Transceiver Noise Figure (including RF Front- end) (dB)4 Digital Implementation Loss (dB)1 Sensitivity at Antenna for 187.5Kbps Mode (dBm)-109.2 Note on Computation of Sensitivity at Antenna using BPSK Rate 1/2 1K Byte packet example:

12. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 12 Summary

13. doc.: IEEE 802. 15-09-0486-00-004g Submission 6 July, 2009 Partha Murali, Redpine Signals Inc.Slide 13 References