1. <Britton Sanderford>, <Sensus>
<July 2009>
Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs)
Submission Title: [Sensus’ Proposal to TG4g, Updated]
Date Submitted: [15 July, 2009]
Source: [Britton Sanderford] Company [Sensus]
Address [Covington, Louisiana]
Voice:[ ],
Re: [Response to CFP issued January 22nd 2009, document g]
Abstract: [Proposal for optional licensed band operation, merged proposal.]
Purpose: [Proposal for consideration of inclusion into draft amendment]
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
<Britton Sanderford>, <Sensus>

2. High Level Goals Frequency Band Agnostic Increase available BW
<July 2009>
High Level Goals
Frequency Band Agnostic
Increase available BW
Expand international compliance options
Promotes ‘unification’
Allow Increased Transmit Power in Countries and Bands Permitting
Power Trumps Link Margin in Jammer Limited Environments
Power Efficiency & Low Endpoint Cost: FSK Modulations
Enhance System’s Overall Effective Data Capacity; Set By
Mix of Endpoint Data Rates
Number of Collectors
Number of Parallel Frequency Channels/Bands Supported
<Britton Sanderford>, <Sensus>

3. ‘Unifying’ Assumptions To Help Merge Proposals
<July 2009>
‘Unifying’ Assumptions To Help Merge Proposals
Utility Will Choose Technology/Vendor To Suit
IRR, Goals of capital vs. operating cost constraints, etc
Terrain & sparse/dense/mix
Feature requirements including frequency band of operation
Bands Used will Determine (/Limit)
Number of Hops (1 to N, where N is likely 25 to 75)
Power Output (10 mW to 5 Watts)
Data Rate (8 kb/s to 500 kb/s)
Vendors Can Bid These & Other Parameters They Feel Best Meets Utility Needs
Once Parameters Chosen They Do Not ‘Travel’
These are fixed base assets
Greatly reduces endpoint to endpoint “negotiations”
<Britton Sanderford>, <Sensus>

4. <July 2009>
Table Based Channel List Allows Open Form Solution And Covers All Present and Likely Future Bands
Frequency Band List
314 – 316 MHz
700 MHz
928 – 960 MHz
316 – 433 MHz
780 – TBD MHz
950 – MHz
MHz
863 – 870 MHz
1427 – 1432 MHz
– MHz
896 – 901 MHz
1605 – 1625 MHz
MHz
901 – 902 MHz
2400 – 2483 MHz
470 – 510 MHz
902 – 928 MHz
<Britton Sanderford>, <Sensus>

5. Table Based Merger Proposal
<July 2009>
Table Based Merger Proposal
Proposed Interoperability Table Base Band Start Frequency: Channel Step Size: This Includes Guard Band
22 Bits Provides 1 kHz Resolution 4.2 gHz
14 Bits Provides 50 Hz Resolution
50 Hz Resolution Required by Some Regulations
Provides Step Size: To 819 kHz
Supports 6.25 kHz Step Size Requirements in Some Bands
Number of Channels:
Power Output:
Modulation:
Bt & Beta:
FEC:
Mode:
Interoperability Proposal (Requires “Signature” Bytes + Hop Table)
Parameter Specified by Utility Set by Factory, or by Set-up Tool
Parameter Set by Application & by Endpoint Physical Location
Allows Vendor Feature Enhancements Beyond Base: Sensitivity, Transmit Power, Battery Life, Anti-Jam, Advanced Modulations (Data Rate), System Level Capacity, etc
1-M (M Limited by Hardware Chip, 75 to 100 Likely)
Hop List Set by Table (est 75 bytes, Details Next Slide)
4 bits; 10mW to 5W
Limited by Application (ie, PCT …. SCADA)
1 bit; GFSK / 4 GFSK
4 bits; Set by Band Selected
2 bits; Non, Block, Viterbi 0.5/.75; Interleaved Data
1 bit; 2-Way or Transmit-Only (ie, Water, Gas, FCI)
<Britton Sanderford>, <Sensus>

6. Table Addresses Non-Contiguous Channels
<July 2009>
Table Addresses Non-Contiguous Channels
Base Frequency, Any Band: 22 Bits provide 1 kHz resolution
Channel Step Size: Bits provide 50 Hz resolution
Hop
Frequency Hop Table; Skip A Hop = 00 1
1 Byte; Represents Desired Freq Channel (see Next Page *) 2
1 Byte 3 4  75
1 Byte; Return to Hop #1 = FF
<Britton Sanderford>, <Sensus>

7. Sufficient BW to Cover Band Selected
<July 2009>
Examples of Channel Step Size
(819 MHz Max)
*TEST: 1 Byte Provides
Sufficient BW to Cover Band Selected
@ 6.25 kHz =
1.6 MHz
@ 12.5 kHz
3.2 MHz
@ 25 kHz
6.4 MHz
@ 50 kHz
12.8 MHz
@ 100 kHz
25.6 MHz
@ 200 kHz
51 MHz
@ 300 kHz
76.8 MHz
<Britton Sanderford>, <Sensus>