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Table 2 Sleeping small cell causes and reachability

From: Location-based distributed sleeping cell detection and root cause analysis for 5G ultra-dense networks

No.

Failure

Description

Indicator

UE RSS values

Small cell NETACC

Backhaul NETACC (general access to the backhaul)

1

Small cell booting process

Small cell starting logon procedure into the operator’s network fails. The small cell stays active but without transmitting.

Affected

Unaffected

Unaffected

2

Small cell disconnection

Small cell is disconnected from power supply and/or backhaul connection. It stops transmitting.

Affected

Affected

Unaffected

3

Backhaul NETACC

Failure of the backhaul connection of the network.

Affected

Affected

Affected

4

Checking entity NETACC

The entity checking the cells is not able to connect with them.

Unaffected

Affected

Unaffected

5

SON system NETACC

The SON system is unable to connect specifically with the router due to wrong IP config.

Unaffected

Affected

Affected