LTE Dual Connectivity



DC frequency bands 36.101 Rel 14

Inter eNb radio resource aggregation between the macro cell and small cells

eNb eNb Up to 20 MHz Carrier 1 Up to 20 MHz Carrier 2 Carrier aggregated data pipe Dual Carriers

Inter band DC (two bands)

Increasing DC configurations
Configuration BCS Max aggregated
bandwidth [MHz]		 Band Name Area Bandwidth [MHz] 3GPP
release
1.4 3 5 10 15 20
1A-3A 0 40 1 2100 Global - - 12.6
3 1800+ Global - -
1A-5A 0 20 1 2100 Global - - - - - 12.6
5 850 NAR - - - - -
1A-5A (1) 1 30 1 2100 Global - - 12.6
5 850 NAR - - - -
1A-7A 0 40 1 2100 Global - - 12.6
7 2600 EMEA - - -
1A-8A 0 30 1 2100 Global - - 12.6
8 900 GSM Global - - - -
1A-8A (1) 1 20 1 2100 Global - - - - 12.6
8 900 GSM Global - - - -
1A-19A 0 35 1 2100 Global - - 12.6
19 800 Upper Japan - - -
1A-21A 0 35 1 2100 Global - - 12.6
21 1500 Upper Japan - - -
2A-4A 0 40 2 1900 PCS NAR 12.6
4 AWS-1 NAR - -
2A-4A (1) 1 20 2 1900 PCS NAR - - - - 12.6
4 AWS-1 NAR - - - -
2A-4A (2) 2 40 2 1900 PCS NAR - - 12.6
4 AWS-1 NAR - -
2A-13A 0 30 2 1900 PCS NAR - - 12.6
13 700 c NAR - - - - -
2A-13A (1) 1 20 2 1900 PCS NAR - - - - 12.6
13 700 c NAR - - - - -
3A-5A 0 30 3 1800+ Global - - - 12.6
5 850 NAR - - - -
3A-5A (1) 1 20 3 1800+ Global - - - - - 12.6
5 850 NAR - - - -
3A-5A (2) 2 30 3 1800+ Global - - 12.6
5 850 NAR - - - -
3A-7A 0 40 3 1800+ Global - - 12.6
7 2600 EMEA - - -
3A-8A 0 30 3 1800+ Global - - - 12.6
8 900 GSM Global - - - -
3A-8A (1) 1 20 3 1800+ Global - - - - - 12.6
8 900 GSM Global - - - -
3A-19A 0 35 3 1800+ Global - - 12.6
19 800 Upper Japan - - -
3A-20A 0 30 3 1800+ Global - - 12.6
20 800 DD EMEA - - - -
3A-20A (1) 1 40 3 1800+ Global - - 12.6
20 800 DD EMEA - -
3A-26A 0 35 3 1800+ Global - - 12.6
26 850+ NAR - - -
3A-26A (1) 1 20 3 1800+ Global - - - - 12.6
26 850+ NAR - - - -
4A-7A 0 30 4 AWS-1 NAR - - - - 12.6
7 2600 EMEA - -
4A-12A 0 20 4 AWS-1 NAR - - 12.6
12 700 a NAR - - - -
4A-12A (1) 1 30 4 AWS-1 NAR 12.6
12 700 a NAR - - - -
4A-12A (2) 2 30 4 AWS-1 NAR - - 12.6
12 700 a NAR - - -
4A-12A (3) 3 20 4 AWS-1 NAR - - - - 12.6
12 700 a NAR - - - -
4A-12A (4) 4 30 4 AWS-1 NAR - - 12.6
12 700 a NAR - - - -
4A-13A 0 30 4 AWS-1 NAR - - 12.6
13 700 c NAR - - - - -
4A-13A (1) 1 20 4 AWS-1 NAR - - - - 12.6
13 700 c NAR - - - - -
4A-17A 0 20 4 AWS-1 NAR - - - - 12.6
17 700 b NAR - - - -
5A-7A 0 30 5 850 NAR - - 12.6
7 2600 EMEA - - -
5A-12A 0 20 5 850 NAR - - - - 12.6
12 700 a NAR - - - -
5A-17A 0 20 5 850 NAR - - - - 12.6
17 700 b NAR - - - -
7A-20A 0 30 7 2600 EMEA - - - 12.6
20 800 DD EMEA - - - -
7A-20A (1) 1 40 7 2600 EMEA - - - 12.6
20 800 DD EMEA - -
7A-28A 0 35 7 2600 EMEA - - 12.6
28 700 APT APAC,EU - - -
19A-21A 0 30 19 800 Upper Japan - - - 12.6
21 1500 Upper Japan - - -
39A-41A 0 40 39 TD 1900+ China - - - 12.6
41 TD 2600+ Global - - - - -
Nb = 41 1.4 3 5 10 15 20

Inter band DC (three bands)

Increasing DC configurations
Configuration BCS Max aggregated
bandwidth [MHz]		 Band Name Area Bandwidth [MHz] 3GPP
release
1.4 3 5 10 15 20
1A-3A-19A 0 55 1 2100 Global - - 13.2
3 1800+ Global - -
19 800 Upper Japan - - -
1A-19A-21A 0 50 1 2100 Global - - 13.2
19 800 Upper Japan - - -
21 1500 Upper Japan - - -
Nb = 2 1.4 3 5 10 15 20