1. doc.: IEEE 802.15-<doc#>
<month year>
<month year>
doc.: IEEE <doc#>
doc.: IEEE <doc#>
Project: IEEE P 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 [] [
Re: [ TG4g Proposal ]
Abstract: DSSS Proposal Update for TG4g
Purpose: Proposal Update
Notice: This document has been prepared to assist the IEEE P 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 P
Slide 1
Page 1
<author>, <company>
<author>, <company>

2. 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

3. (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)

4. Agreements Support for 802.15.4-2006 OQPSK Reference modulator
Nov 19, 2009
Agreements
Support for OQPSK
Reference modulator
Outer Forward Error Correction Coding & interleaving (optional for CA-CDM)
Single preamble for .4g modes
Frequency bands and channel plan

5. Further Efforts Harmonization spreading modes Mode selection mechanism
Nov 19, 2009
Further Efforts
Harmonization spreading modes
Mode selection mechanism
Best method to support for OQPSK