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PLANNING WIRELESS MESH NETWORKS FOR
IOT SMART GRID APPLICATIONS
⺠CELFINET Š 2015 NEW SOLUTIONS 1
HUGO CAFĂ
ANDRĂ MARTINS
PEDRO VIEIRA
ANTĂNIO RODRIGUES
INTRODUCTION
AIM OF THE STUDY
RF MESH SYSTEM FOR SMART METERING - OVERVIEW
SIMULATOR ANALYSIS
RESULTS & ANALYSIS â CASE STUDY âBRAZILâ
CONCLUSIONS AND FUTURE WORK
03
04
05
06
09
12
⺠CELFINET Š 2015 NEW SOLUTIONS 2
INTRODUCTION
3⺠CELFINET Š 2015 NEW SOLUTIONS
⢠THE ENERGY SYSTEMS ARE NOT EFFICIENT
⢠THE SOLUTION: SMART GRIDS
MONITOR THE ENERGY CONSUMPTIONS
AIM OF THE STUDY
4⺠CELFINET Š 2015 NEW SOLUTIONS
Source: âOptimal Positioning of
GPRS Concentrators in Smart
Grids Considering Routing in
Mesh Networksâ
⢠DEVELOPMENT AND OPTIMIZE A NEIGHBORHOOD AREA NETWORK TO MONITOR
ENERGY CONSUMPTION.
⢠MULTIPLE-HOPS âMESHâ NETWORK WHICH ENSURES THE CONNECTION BETWEEN
THE SMART METERS AND THE CONCENTRATORS.
RF MESH SYSTEM FOR
SMART METERING - OVERVIEW
5⺠CELFINET Š 2015 NEW SOLUTIONS
⢠IEEE 802.15.4 (ZIGBEE)
⢠SMART METER DATA RATE: 9.6
KBPS
⢠CONCENTRATOR DATA RATE: 9.6
KBPS OR 19.2 KBPS
⢠THE UNLICENSED INDUSTRIAL,
SCIENTIFIC AND MEDICAL (ISM)
BAND OF 902-928 MHZ
⢠240 DISCRETE CHANNELS (100 KHZ
BANDWIDTH)
⢠FREQUENCY HOPPING SPREAD
SPECTRUM
⢠SYNCHRONOUS ALOHA WITH 0.7 S
TIME SLOTS
⢠FSK MODULATION IN THE
ALLOTTED TIME SLOT
⢠NETWORK TIME PROTOCOL
Source: Landys + Gyr
SIMULATOR ANALYSIS (1/3)
6⺠CELFINET Š 2015 NEW SOLUTIONS
PROPAGATION MODEL
đżđđ˘đĄ = 42.6 + 20 log đ đşđťđ§ + 26 log(đ[đđ] [dB]
đżđđ = đźđ [dB]
đżđĄđ¤ = đđ + đđşđ 1 â sin đ 2 [đđľ]
đżđĄđđĄ = đżđđ˘đĄ + đżđĄđ¤ + đżđđ [đđľ]
⢠đ=928 MHz
⢠đź=0.2 dB/m
⢠đ = 2 m⢠đđ = 12 dB⢠đđşđ = 25 dB⢠đ = 30đ
Source:âPerformance Analysis of Radio Propagation Models for Smart Grid Applicationsâ
SIMULATOR ANALYSIS (2/3)
7⺠CELFINET Š 2015 NEW SOLUTIONS
CONSTRAINTS
3rd
order
3rd order
2nd order
1st
order
1st
order
1st
order
1st
order
1st
order
1st
order
1st
order
2nd order
4th order
5th
order
TRANSMITTER POWER
đđĄâđđ = 26 đđľđđĄâđś = 30 đđľ
SENSITIVITY
đđâđđ = â108 đđľđđâđś = â105 đđľ
⢠MAXIMUM DISTANCE
BETWEEN SMART METERS â
340 M
⢠MAXIMUM DISTANCE
BETWEEN SMART METER AND
CONCENTRATOR â 1,830 M
⢠P = 512 BYTE PACKET
⢠T = 15 MINUTES
⢠đ=4.55 |đ| (đđđĄ/đ đđ)
TRAFFIC CHARACTERIZATION
⢠đ đđâđđđ¤đ = 19200 đ =
4219.78 đż = 4219
⢠đđ đđâđđđ¤đ + đđâđ˘đ +đđâđ˘đ = 9600 đđ =
1054.44 đš =1054
⢠240 DISCRETE CHANNELS
SIMULATOR ANALYSIS (3/3)
8⺠CELFINET Š 2015 NEW SOLUTIONS
Build |C| mesh networks
considering R constraint
Determine all the assumptions
with NA concentrators
Mesh network considering NA
concentrators
Metrics
1. Minimum number of hops
2. Minimum distance between
smart meters
Reach
QP?
Verify the
constraints?
Y
N
YN
⢠NUMBER OF
CONCENTRATORS
⢠POSITIONS OF
CONCENTRATORS
⢠CLUSTERS
⢠SMART METERS POSITIONS
⢠CONCENTRATORS POSSIBLE
POSITIONS
⢠MAXIMUM DELAY
đđđ = đ
đ=0
đ â1
đđ 7 = 0.7 đ đ = 10
đđ =đđđđđđđĄđđ đ đđđđĄ đđđĄđđđ
đĄđđĄđđ đ đđđđĄ đđđĄđđđ = 0,99
INPUTS ALGORITHM OUTPUTS
NA= NA+1
RESULTS & ANALYSIS â
CASE STUDY âBRAZILâ (1/3)
9⺠CELFINET Š 2015 NEW SOLUTIONS
⢠LOCATION: SĂO PAULO,
BRAZIL
⢠NUMBER OF SMART
METERS â 1774
⢠NUMBER OF
CONCENTRATOR POSSIBLE
POSITIONS - 70
RESULTS & ANALYSIS â
CASE STUDY âBRAZILâ (2/3)
10⺠CELFINET Š 2015 NEW SOLUTIONS
⢠CONCENTRATORS ARE
TYPICALLY MOUNTED
STRATEGICALLY ON
POLE TOPS OR ON
LAMP POSTS
⢠GOOGLE EARTH
STREET VIEW MODE
CONCLUSIONS AND FUTURE WORK
12⺠CELFINET Š 2015 NEW SOLUTIONS
⢠EMERGING NEED TO MODERNIZE THE MONITORING OF ENERGY CONSUMPTION
⢠AVOID ENERGY WASTAGE
⢠IMPROVE COSTUMER EXPERIENCE
⢠LOWER GREENHOUSE GAS EMISSION
⢠DEVELOPMENT OF A REALISTIC SIMULADOR FOR ENERGY MONITORING USING
WIRELESS MESH NETWORKS
⢠THE SIMULADOR CONSIDERS THE DEVICES CONSTRAINTS AND THE PROPAGATION
MODEL PARAMETERS
⢠NEW MASTER THESIS ABOUT IOT (SIGFOX, LTE-MTC, WIRELESS SENSOR
NETWORKS, âŚ)
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