Interference on Zigbee Partner NEC Germany HGI Home Gateway Initiative ZC 3 m 3 m ZED Pos 1 ZED Pos 2 ZED Pos 3 ZED Pos 4 3 m ID: 755874
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Slide1
Testing
and
solving
the Wi-Fi
Interference
on
Zigbee
Partner: NEC Germany
HGI (Home Gateway
Initiative
)Slide2
ZC
3 m
3 m
ZED
(
Pos
1)
ZED
(
Pos
2)
ZED
(
Pos
3)
ZED
(Pos 4)
3 m
AP1
AP2
Client1
Client2Slide3
ZC
3 m
3 m
ZED
(
Pos
1)
ZED
(
Pos
2)
ZED
(
Pos
3)
ZED
(Pos 4)
3 m
AP1
AP2
Client1
Client2
3 m
AP3
Client3Slide4
2405 2410 2415
2420
2425 2430
2435
2440 2445
2450
2455
2460
2465 2470
2475
2480
2484
MHz
2405 2410 2415
2420
2440 2445
2450
2455
2460
2465 2470
MHz
22 MHz
2412
2417 2422 2427 2432
2442 2447 2452 2457 2462 2467 2472
CH 6, 2437
40
MHz
2405 2410 2415
2420
2425 2430
2435
2440 2445
2450
2455
2460
2465 2470
2475
2480
2484
MHz
2405 2410 2415
2420
2425
2430
2440 2445
2450
2455
2460
2465 2470
MHz
2412
2417 2422 2427 2432
2442 2447 2452 2457 2462 2467 2472
CH 6, 2437
40
MHzSlide5
RIGEnerare
le città
:
Edifici
e
Reti
Smart 11/02/2014
RIGERSSlide6
6
POSSIBILI SCENARI: CONCENTRATORE DI EDIFICIO 2/2Slide7
Outdoor Scenario Slide8
Scenario
Elements
District Concentrator (DC)Equipped with W M-BUS, Wi-Fi, 5G and Zigbee
Building Concentrator (BC)
Equipped with W M-BUS, Wi-Fi and Zigbee Bus
Equipped with Wi-Fi and Zigbee
Car (driver)Equipped with Wi-Fi and 5G
PeopleEquipped with Wi-Fi and 5G
8
District
Concentrator Slide9
DTN
Smart Building
Each building is equipped with smart devices in order to monitor the consumptions in terms of gas / electricity / water.
A Building Concentrator (BC) gathers data from devices in the building
and then it has to send them to the District Concentrator (DC). A point-to-point connection between the BC and the DC will be present
through wireless M-BUS at 169 MHz, however being the density of DCs much lower than the density of BCs, an alternative link will be created by
exploiting the presence of objects moving in the city (DTN paradigm).
ObjectsBuses, Cars and People may act as mules, to help BCs to reach one DC
9Slide10
Possible
Contacts/
Communication among elements
10
District
Concentrator
5
G/Wi-Fi
Zigbee
/Wi-Fi
5
G/Wi-Fi
W M-Bus
Zigbee
5
G/Wi-Fi
Wi-Fi
Wi-Fi
Wi-FiSlide11
Integrazione
delle reti
Indoor Scenario Slide12Slide13
IoT
/
IwT: two paradigms
Internet
with
Things
13
Internet
of
Things
Zigbee
or SDWN
802.15.4 MAC
address
6LowPAN
IPv6
address
Gateway / Coordinator
Gateway / CoordinatorSlide14
IwT
: comparison
Zigbee-based
protocols
14
SDWN
solution
Zigbee
802.15.4 MAC
address
SDWN
802.15.4 MAC
address
Controller
Gateway / Coordinator
Gateway / CoordinatorSlide15
IoT
/
IwT: comparison
Protocols
stacks
15
IEEE 802.15.4 PHY
IEEE 802.15.4 MAC
SDWN
ZIGBEE
Adaptation
Layer
IPv6
UDP
ApplicationSlide16
Protocols for the
IoT
: metrics and traffics
16
Traffic:
Query-based APPs
Unicast
Broadcast
Multicast
Metrics
:
Average
delays
Overhead
PER Slide17
Zigbee
:
Many-to-One routing
17
Node
3
Node
2
Coord
Node
1
Node
5
Node
4
MTO RREQ (broadcast
)
Route
Record
node
5 (
unicast
)
MTO RREQ 3
MTO RREQ 4
MTO RREQ 5
MTO RREQ 2
MTO RREQ 1
RREC
MTO RREQ
CoordSlide18
6LowPAN:
RPL routing
18
Node
3
Node
2
Coord
Node
1
Node
5
Node
4
DAG Information Option (DAG) (broadcast
)
Destination
Advertisement
Object (DAO)
node
5 (
unicast
)
DIO 3
DIO 4
DIO 5
DIO 2
DIO 1
DAO
DIO
CoordSlide19
SDWN
19
Node
3
Node
2
Coord
Node
1
Node
5
Node
4
Beacon 3
Beacon 4
Beacon 5
Beacon 2
Beacon 1
Beacon
Coord
Rule
Response
Rule
Request
Route
to
Coord
Controller
Virtualization
Adaptation
ControllerSlide20
100 802.15.4
nodes
in fixed
positions2 Coordinators / Gateways
2 SniffersRemotely
Accessible
20
Flextop
: deployment
C
C