May 2015 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Source identification Date Submitted: May, 2015 Source: Hideki Aoyama Panasonic Corporation contact: aoyama.hideki@jp.panasonic.com Abstract: Explanation for need of source identification Purpose: To assist the committee generating TCD 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. Hideki Aoyama (Panasonic)

Send: 123 OK May 2015 Captured image 1 Captured image 2 Tx 1 Send: 123 Rx Captured image 1 Captured image 2 Captured image 3 Tx 1 Tx 1 Tx 1 OK 1 2 3 Received data time Hideki Aoyama (Panasonic)

May 2015 Tx 1 Tx 2 Tx 1 Tx 2 Send: 123 Send: 123 Send: 456 Send: 456 Rx Rx Rotate Rx Captured image 1 Captured image 2 Captured image 3 Tx 1 Tx 1 Tx 2 same location in the images Wrong data! 1 2 6 Received data time The receiver must identify a source of transmitted data for trusted communication Hideki Aoyama (Panasonic)