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An overview of DLMS/COSEM and g3-plc for smart metering applications

Thobekile J. Ngcobo
Thobekile J. Ngcobo
 y 
Farzad Ghayoor
Farzad Ghayoor
   | 04 jul 2022
International Journal on Smart Sensing and Intelligent Systems's Cover Image
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Article Category: Article
Publicado en línea: 04 jul 2022
Páginas: -
Recibido: 11 ene 2022
DOI: https://doi.org/10.2478/ijssis-2022-0011
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© 2022 Thobekile J. Ngcobo et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

OSI layer mapping for metering application of G3-PLC.
OSI layer mapping for metering application of G3-PLC.

Figure 2

An AMI network and its components (Fan and Gong, 2013).
An AMI network and its components (Fan and Gong, 2013).

Figure 3

Example of COSEM object models.
Example of COSEM object models.

Figure 4

DLMS/COSEM supported by G3-PLC protocols.
DLMS/COSEM supported by G3-PLC protocols.

Figure 5

The 6LoWPAN frame format for the G3-PLC.
The 6LoWPAN frame format for the G3-PLC.

Figure 6

The messaging in LOAD protocol.
The messaging in LOAD protocol.

Figure 7

A typical MAC layer data frame.
A typical MAC layer data frame.

Figure 8

A typical physical layer frame format.
A typical physical layer frame format.

Figure 9

Block diagram of the G3-PLC transmitter at the physical layer.
Block diagram of the G3-PLC transmitter at the physical layer.

Figure 10

Convolutional encoder used in the G3-PLC.
Convolutional encoder used in the G3-PLC.

An overview of the technical characteristic of the NB-PLC standards.

Standard Modulation Data rates Frequency Band IP Other features
PLAN S-FSK 0.2–2.4 kbps CENELEC-A
AMIS DCSK 0.6–3 kbps CENELEC-A
OSGP B-PSK 3.6–57.6 kbps CENELEC-A
Meters&More B-PSK 4.8–57.6 kbps CENELEC-A, ARIB, FCC
PRIME OFDM 21.4–128.6 kbps CENELEC-A iPv4 Tree
G3-PLC OFDM 2.4–33.4 kbps CENELEC-A, ARIB, FCC iPv6 Robust mode, mesh routing
1901.2 OFDM Approximately 80 kbps CENELEC-A, ARIB, FCC iPv6 Coherent modulation
G.9902 OFDM Approximately 80 kbps CENELEC-A, FCC iPv6 Coherent modulation

RS encoders based on modulation.

CENELEC-A Number of symbols Reed-Solomon blocks (bytes) D8PSK (Out/In) (Note 1) Reed-Solomon blocks (bytes) DQPSK (Out/In) (Note 1) Reed-Solomon blocks (bytes) DBPSK (Out/In) (Note 1) Reed-Solomon blocks (bytes) Robust (Out/In) (Note 2)
12 (80/64) (53/37) (26/10) N/A
20 (134/118) (89/73) (44/28) N/A
32 (215/199) (143/127) (71/55) N/A
40 N/A (179/163) (89/73) (21/13)
52 N/A (233/217) (116/100) (28/20)
56 N/A (251/235) (125/109) (30/22)
112 N/A N/A (251/235) (62/54)
252 N/A N/A N/A (141/133)

Values of group C for electricity energy (A = 1).

Code Physical data
0 General purpose objects
1 Active power+
3 Reactive power+
11 Current: any phase
12 Voltage: any phase
14 Supply frequency
⋮ ⋮

Data rate for various G3-PLC modulation and coding schemes.

CENELEC-A Data rate per modulation type, bit/s
Number of symbols D8PSK, P16 (Note 1) DQPSK, P16 (Note 1) DBPSK, P16 (Note 1) Robust, P8 (Note 2)
12 21 829 12 619 3 410 N/A
20 32 534 20 127 7 720 N/A
32 42 619 27 198 11 778 N/A
40 N/A 30 385 13 608 2 423
52 N/A 33 869 15 608 3 121
56 N/A 34 792 16 137 3 257
112 N/A N/A 20 224 4 647
252 N/A N/A N/A 5 592
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