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Use Cases of Small Cells-Enterprise LTE-
9th May, 2016
Aya MukaikuboSoftBank Corp.
Confidential
Today’s Topic: Enterprise Use Cases
2
1. 小規模オフィス1. Office at Traditional Town
2. Warehouse
Confidential
Today’s Topic: Enterprise Use Cases
3
1. 小規模オフィス1. Office at Traditional Town
2. Warehouse
Confidential
1. Office @Traditional Town (Location and Environment)
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Band1Map Band8
• Locates at the north edge of Tokyo Metropolitan.
• Very poor macro coverage at any frequency.
strong
weak
Saitama Prefecture
Tokyo
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1. Office @Traditional Town (Outlook and neighbor)
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• No tall building around the area.• Very quiet traditional town.
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1. Office @Traditional Town (deployment environment)
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• Inside of building is complicated.• Low macro penetration through wire-reinforced
window.
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1. Office @Traditional Town (radio environment)
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• Multiple Macro Interference before deployment of small cell.• Both power and quality improved after deployment of small cell.
(dBm)
before after before after before after before after before after before after
1 -95 -66 -8.2 -5.5 A D -87 -51 -10.6 -2.4 K M
2 -97 -77 -10.6 -4.4 B D -86 -51 -9.1 -2.4 K M3 -99 -87 -9.1 -6.3 B D -87 -64 -12.2 -2.5 K M4 -107 -96 -11.9 -6.4 A D -93 -74 -10.9 -3.2 K M5 -102 -78 -12.0 -4.2 C D -94 -57 -10.2 -2.2 K M
SCLTE 3G
RSRP RSCPRSRQ Ec/NoPC I
A-M: cell number of macro and small cells-SmallCell
Confidential
Today’s Topic: Enterprise Use Cases
8
1. 小規模オフィス1. Office at Traditional Town
2. Warehouse
Confidential
2. Warehouse @underground (Location and Environment)
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Band1Map Band8
• Locates at the south edge of Tokyo.• Well covered by Macro at any frequency
strong
weak
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2. Warehouse @underground (Outlook and neighbor)
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• Tall buildings around the area.• Many offices reside in buildings.• Very low penetration at the basement warehouse.
-SmallCell
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2. Warehouse @underground (deployment)
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• Both power and quality improved extremely after deployment of small cell.
• Metal equipment in card boxes between the AP and UEs might obstruct radio waves.
51
-SmallCell
(dBm)
before after before after before after before after
1 -115.0 -76.0 -12.1 -4.2 -107.0 -52.0 -10.7 -2.2
2 -119.0 -83.0 -15.5 -5.3 -107.0 -62.0 -9.3 -2.23 -104.0 -97.0 -8.7 -6.4 -97.0 -76.0 -4.8 -2.64 -109.0 -88.0 -8.0 -5.2 -98.0 -61.0 -5.9 -2.65 -113.0 -88.0 -9.8 -5.6 -103.0 -67.0 -8.9 -2.3
LTE 3GRSRP RSRQ RSCP Ec/No
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Summary
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1. 小規模オフィス1. Office at Traditional Town
2. Warehouse
Confidential1313
Thank You
