Post Meeting Evaluation Table

Published on February 2017 | Categories: Documents | Downloads: 25 | Comments: 0 | Views: 112
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Criteria

Bluetooth Low Energy

M-Bus

Wavenis

ZigBee @ 868MHz

ZigBee @ 2.4GHz

ZWave

1.1

1.2

Low level of energy customer intervention/support required to maintain communications Ease of installation – i.e. discovery at meter installation Minimise number of site visits to address local communications issues – i.e. recovery or remote correction on failure/upgrade failure – will include MTBF and power consumption on meter battery as considerations Development tools to support smart metering and smart energy market Ease of integration into metering/home products – e.g. system on chip, antenna size Scope/receptiveness to accommodate specific GB smart metering requirements Status as an Open Standard – accessibility, defined standards, range of participants, proven certification process Support for choice of data exchange format Genuine choice and competition between silicon vendors Interoperable chipsets Effort required to update standards to meet specific GB requirements (less effort

1.3

1.4

1.5

1.6

2.1

2.2 2.3

2.4 2.5

Ref

Criteria

Bluetooth Low Energy

M-Bus

Wavenis

ZigBee @ 868MHz

ZigBee @ 2.4GHz

ZWave

2.6

3.1

3.2

4.1

4.2

5.1 5.2

5.3 5.4 5.5 6.1 6.2 6.3

= higher score) No. of nodes supported for each HAN, assuming minimum capability of 3. Consumption/Peak Current/Power Failure Management Support for battery powered nodes, but also for energy smart metering application (e.g. data refreshes in minutes rather than hours/days for end nodes) Transmission speed – effective data throughput in kbps per channel Robustness (retry mechanisms, acknowledgements, minimised/nil message loss – i.e. latency and dropped packets) Typical range (amplified or non-amplified) Suitability for GB meter locations (consider internal/external, stone/concrete, metal meter cabinets, meter rooms etc.) Vulnerability to signal interference Ability to cope with signal interference Blocking Immunity in transceiver Strength/resilience of methods used Ability to use rolling/successive keys Support for distinguishing public/private data, and for keeping

Ref

Criteria

Bluetooth Low Energy

M-Bus

Wavenis

ZigBee @ 868MHz

ZigBee @ 2.4GHz

ZWave

7.1

7.2 7.3

gas/water/electricity data independently secure – i.e. supports 3 different suppliers for 3 utilities (and any other authorised party data secure) Support for “over the air” upgrades of ‘smart meter’ nodes – i.e. gas + electricity meters & in home display Support for security upgrades Support for backwards compatibility Longevity of frequency Longevity of solution technology (minimum expected smart meter asset life of 15 years) Total cost per home – 1 x electricity meter, 1 x gas meter with battery, 1 x home display unit = 3 chipsets + additional battery cost Mean Time Between Failures/Reliability Use in equivalent smart metering deployments Use in analogous applications Expectation of ongoing required upgrades – i.e. v2009, v2011 (fewer = higher score?) Capacity in vendors to meet smart metering demands (meters plus displays and other devices) – assume 5

7.4 7.5

8.1

8.2 9.1

9.2 9.3

9.4

Ref

Criteria

Bluetooth Low Energy

M-Bus

Wavenis

ZigBee @ 868MHz

ZigBee @ 2.4GHz

ZWave

9.5

year deployment to 25 million homes Availability of nonmetering products that could be relevant to smart metering – e.g. thermostats, display devices

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