SON ?? ??
4G America ? ??? Benefit ??? ??
? Release 8
? Automatic Inventory
? Automatic Software Download
? Automatic Neighbor Relation
? Automatic Physical Cell ID (PCI) assignment
? Release 9
? Mobility Robustness/Hand Over optimization
? RACH optimization
? Load Balancing optimization
? Inter-Cell Interference Coordination
? Release 10
? Coverage & Capacity optimization
? Enhanced Inter-Cell Interference Coordination
? Cell Outage Detection and Compensation
? Self-healing functions
? Minimization of Drive Testing
? Energy Savings
? Release 11
? multi-layer troubleshooting and optimization
? multi-RAT HetNet troubleshooting and optimization
SON ??? ?? ??? ?? ??
? Plug & Play Installation
? Automatic Neighbor Relation configuration
? OSS (Operating Support System) Integration
? Handover Optimization
? Minimization of Drive Tests
? Cell Outage Compensation
? Load Balancing
? Energy Savings
? Interaction home/macro BTS
? QoS Optimization
QoS ?? ????
? Number of successful sessions per QoS Class Identifier (QCI)
? Number of dropped sessions per QCI
? Cell specific customer satisfaction rate
? Min/Avg/Max throughput per QCI
? Min/Avg/Max round trip delay per QCI
? Packet loss per QCI
? Mean number of Radio Resource Control (RRC) connected users
? Mean number of RRC connected UEs with data to send per QCI
? Percentage of UEs per cell that is not achieving their required GBR and not achieving the required service data unit (SDU) error ratio per QCI
? Percentage of UEs for which transfer delay per IP packet was above a particular threshold
? Percentage of UEs for which average throughput measured at RLC layer for each non-real time (nRT) QCI was below a particular threshold
? Percentage of UEs per QCI for which the SDU error ratio is above a certain level
? Number of RRC connected UEs with measurement gaps configured.
SON Architecture, Distributed vs Centralized
5. ? Automatic Neighbor Relation configuration
? OSS (Operating Support System) Integration
? Handover Optimization
? Minimization of Drive Tests
? Cell Outage Compensation
? Load Balancing
? Energy Savings
? Interaction home/macro BTS
? QoS Optimization
NGMN ? 3GPP ??? ???? ???? QoS ?? ????? ??? ???
??? ??? ?? ?? ???? ???? ?? ???. ?? ??? ???
3GPP SON ??? ?? ? ??? ????.
? Number of successful sessions per QoS Class Identifier (QCI)
? Number of dropped sessions per QCI
? Cell specific customer satisfaction rate
? Min/Avg/Max throughput per QCI
? Min/Avg/Max round trip delay per QCI
? Packet loss per QCI
? Mean number of Radio Resource Control (RRC) connected users
? Mean number of RRC connected UEs with data to send per QCI
? Percentage of UEs per cell that is not achieving their required GBR and
not achieving the required service data unit (SDU) error ratio per QCI
? Percentage of UEs for which transfer delay per IP packet was above a
particular threshold
? Percentage of UEs for which average throughput measured at RLC layer
for each non-real time (nRT) QCI was below a particular threshold
? Percentage of UEs per QCI for which the SDU error ratio is above a certain
level
? Number of RRC connected UEs with measurement gaps configured.