doc.: IEEE 802.15-<doc#> <month year> <month year> doc.: IEEE 802.15-<doc#> doc.: IEEE 802.15-<doc#> Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ DSSS Proposal Update for TG4g] Date Submitted: [ November 2009 ] Source: [ Michael Schmidt] Company [ Atmel] [ David Howard] Company [ On-Ramp Wireless] [TaeJoon Park] Company [ ETRI] Address [] Voice [] E-Mail: [david.howard@onrampwireless.com] [ michael.schmidt@atmel.com] [tjpark@etri.re.kr] Re: [ TG4g Proposal ] Abstract: DSSS Proposal Update for TG4g Purpose: Proposal Update 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 Page 1 <author>, <company> <author>, <company>
Goals DSSS proposal to meet requirements of TG4g PAR Nov 19, 2009 Goals DSSS proposal to meet requirements of TG4g PAR Support interoperability with 2.4 and sub GHz legacy Explicit support for NA, Europe, Korea, China Complement to FSK and OFDM proposals
(2) single spreading scheme for (SHR, PHR) (preamble) Pre-coded O-QPSK/ GMSK Modulator Binary Data From PSDU CC ½(1) Interleaving(1) DSSS CA-CDM (SHR,PHR) Preamble DSSS(2) Notes: (1) is optional for CA-CDM (Constant Amplitude Code Division Multiplex) (2) single spreading scheme for (SHR, PHR) (preamble)
Agreements Support for 802.15.4-2006 OQPSK Reference modulator Nov 19, 2009 Agreements Support for 802.15.4-2006 OQPSK Reference modulator Outer Forward Error Correction Coding & interleaving (optional for CA-CDM) Single preamble for .4g modes Frequency bands and channel plan
Further Efforts Harmonization spreading modes Mode selection mechanism Nov 19, 2009 Further Efforts Harmonization spreading modes Mode selection mechanism Best method to support for 802.15.4- 2006 OQPSK