Page 29 - NZ Post Proposal_Email

pure lighting for a green world
page 29

PURE LED

PURE LED ADVANTAGES

PLED ZIGBEE - 6LoWPAN - Thread BLE mesh LoRaWAN

Category De-centralized mesh IEEE 802.15.4 –based mesh Flooded mesh LPWAN (star)

Optimized for battery-
- Large scale Small scale home area Small scale home area powered end-devices
Characteristics
- High reliability networks networks Seldom transmissions
Sparse installations
Performance
profiles Multiple operation modes Single operating mode Single operating mode Single operating mode
(fit for
purpose)
Lighting Profile only,application Profiles only, application
application Yes No
layer to be created to be build
Yes - Automatic role No - Central coordinator,
Homogeneous section routers, end No Yes - End devices
devices Routers, end devices
Yes devices
Yes (depends on Yes (depends on
OTA No
implementation) implementation)
Bi-directional Yes Yes Limited ( duty cycle)

Yes
Low power All devices (incl. routing) No No Yes
can be battery-operated Routers mains-powered Routers mains-powered If end nodes TX seldom

High
De-centralized operation Limited
Scale (number Multi-gateway with load Limited Central control Flooded routing Limited
of devices, balancing Every device can Dedicated routers Star topology
coverage, route Contention-based channel Dedicated routers Random access protocol
density) Locally synchronized access Single channel Contention-based channel Long TX time-on-air
access 3 channels
channel access
Multi-channel

Reliability adaptive routing
Collision-free Limited Limited
Adaptive TX power control Limited Base station SPoF
Local adaptation Intra-network interference Intra-network interference Intra-network interference
Reliability No channel blacklisting
No SPoF (single channel) No channel blacklisting No channel blacklisting
Multi-channel with local Central control SPoF (3 channels) No acks Use of acks limited (duty
channel blacklisting cycle)
Acks & re-TX

LARGE SCALE

HIGH RELIABILITY

MULTIPLE OPERATIONS MODE