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Atanu Gorai

The document lists various counters related to carrier aggregation (CA) in LTE networks. The counters observe metrics such as the number of UEs using CA, physical resource blocks occupied by CA UEs, traffic volume and time for downlink transmissions to CA UEs, handover success rates for CA UEs, attempts and success rates for adding or removing secondary cells for CA, and traffic volume and duration on primary and secondary cells for CA UEs. Formulas are provided for calculating drop rates, success rates, and other metrics from the counter values.

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Counter Name Description ? L.Traffic.User.PCell.DL.Max ? L.Traffic.User.PCell.DL.Avg ? L.Traffic.User.SCell.DL.Max ? L.Traffic.User.SCell.DL.Avg Observe the number of UEs that are using CA. ? L.ChMeas.PRB.DL.PCell.Used.Avg ? L.ChMeas.PRB.DL.SCell.Used.Avg Observe the number of PRBs occupied by CA UEs. ? L.Thrp.bits.DL.CAUser Observe the total traffic volume of dow nlinkPDCP service data units (SDUs) transmitted to active CA UEs in the local cell. ? L.Thrp.Time.DL.CAUser Observe the total time period in w hich downlink PDCP SDUs are transmitted to active CA UEs in the local cell. ? L.E-RAB.AbnormRel.CAUser ? L.E-RAB.NormRel.CAUser Calculate the service drop rate of CA UEs by using the follow ing formula: L.E-RAB.AbnormRel.CAUser/(L.E-RAB.AbnormRel.CAUser + L.E- RAB.NormRel.CAUser) x 100%. ? L.HHO.ExecSuccOut.CAUser.PCC ? L.HHO.ExecAttOut.CAUser.PCC ? L.HHO.PrepAttOut.CAUser.PCC Calculate the handover successrate of CA UEs by using the follow ing formula: L.HHO.ExecSuccOut.CAUser.PCC/L.HHO.ExecAttOut.CAUser.PCC x 100%. ? L.HHO.InterFddTdd.PrepAttOut.CA User.PCC ? L.HHO.InterFddTdd.ExecAttOut.CA User.PCC ? L.HHO.InterFddTdd.ExecSuccOut.C AUser.PCC Calculate the success rate of PCell handovers fromLTE FDD to LTE TDD for CA UEs by using the follow ing formula: L.HHO.InterFddTdd.ExecSuccOut.CAUser.PCC/L.HHO.InterFddTdd.Exec AttOut.CAUser.PCC x 100%. ? L.CA.DLSCell.Add.Att ? L.CA.DLSCell.Add.Succ ? L.CA.DLSCell.Rmv.Att ? L.CA.DLSCell.Rmv.Succ Observe the total number of attempts to add or remove SCells for CA UEs in the monitored cell, and calculate the total success rate of adding or removing SCells for CA UEs in the cell. ? L.CA.DLSCell.Add.Meas.Att ? L.CA.DLSCell.Add.Meas.Succ ? L.CA.DLSCell.Rmv.Meas.Att ? L.CA.DLSCell.Rmv.Meas.Succ Observe the number of attempts to add or remove SCells for CA UEs based on A4 or A2 measurements, respectively, in the monitored cell, and calculate the successrate of such attempts in the cell. ? L.CA.DLSCell.Add.Blind.Att ? L.CA.DLSCell.Add.Blind.Succ Observe the number of attempts to add SCells for CA UEs in a blind manner in the monitored cell, and calculate the success rate of such attempts in the cell. ? L.CA.DLSCell.Mod.Att ? L.CA.DLSCell.Mod.Succ Observe the number of SCell changes based on event A6 in the monitored cell, and calculate the successrate of the SCell changes in the cell. ? L.CA.DLSCell.Act.Att ? L.CA.DLSCell.Act.Succ ? L.CA.DLSCell.Deact.Att ? L.CA.DLSCell.Deact.Succ Observe the number of attempts to activate or deactivate SCells for CA UEs in the monitored cell, and calculate the success rate of activating or deactivating SCells for CA UEs in the cell. ? L.CA.Traffic.bits.DL.PCell ? L.CA.Traffic.bits.DL.SCell ? L.CA.DL.PCell.Act.Dur ? L.CA.DL.SCell.Act.Dur Observe the MAC-layer traffic volume of the CA UEs that treat the cell as their PCell or SCell. In addition, observe the total duration of dow nlinkdata transmission to the CA UEs that treat the cell as their PCell or SCell. ? L.Traffic.User.SCell.Active.DL.Avg ? L.Traffic.User.SCell.Active.DL.Max Observe the average number and maximum number of CA UEs that treat the cell as their SCell and have the cell activated.
Ca counter name

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Ca counter name

  • 1. Counter Name Description ? L.Traffic.User.PCell.DL.Max ? L.Traffic.User.PCell.DL.Avg ? L.Traffic.User.SCell.DL.Max ? L.Traffic.User.SCell.DL.Avg Observe the number of UEs that are using CA. ? L.ChMeas.PRB.DL.PCell.Used.Avg ? L.ChMeas.PRB.DL.SCell.Used.Avg Observe the number of PRBs occupied by CA UEs. ? L.Thrp.bits.DL.CAUser Observe the total traffic volume of dow nlinkPDCP service data units (SDUs) transmitted to active CA UEs in the local cell. ? L.Thrp.Time.DL.CAUser Observe the total time period in w hich downlink PDCP SDUs are transmitted to active CA UEs in the local cell. ? L.E-RAB.AbnormRel.CAUser ? L.E-RAB.NormRel.CAUser Calculate the service drop rate of CA UEs by using the follow ing formula: L.E-RAB.AbnormRel.CAUser/(L.E-RAB.AbnormRel.CAUser + L.E- RAB.NormRel.CAUser) x 100%. ? L.HHO.ExecSuccOut.CAUser.PCC ? L.HHO.ExecAttOut.CAUser.PCC ? L.HHO.PrepAttOut.CAUser.PCC Calculate the handover successrate of CA UEs by using the follow ing formula: L.HHO.ExecSuccOut.CAUser.PCC/L.HHO.ExecAttOut.CAUser.PCC x 100%. ? L.HHO.InterFddTdd.PrepAttOut.CA User.PCC ? L.HHO.InterFddTdd.ExecAttOut.CA User.PCC ? L.HHO.InterFddTdd.ExecSuccOut.C AUser.PCC Calculate the success rate of PCell handovers fromLTE FDD to LTE TDD for CA UEs by using the follow ing formula: L.HHO.InterFddTdd.ExecSuccOut.CAUser.PCC/L.HHO.InterFddTdd.Exec AttOut.CAUser.PCC x 100%. ? L.CA.DLSCell.Add.Att ? L.CA.DLSCell.Add.Succ ? L.CA.DLSCell.Rmv.Att ? L.CA.DLSCell.Rmv.Succ Observe the total number of attempts to add or remove SCells for CA UEs in the monitored cell, and calculate the total success rate of adding or removing SCells for CA UEs in the cell. ? L.CA.DLSCell.Add.Meas.Att ? L.CA.DLSCell.Add.Meas.Succ ? L.CA.DLSCell.Rmv.Meas.Att ? L.CA.DLSCell.Rmv.Meas.Succ Observe the number of attempts to add or remove SCells for CA UEs based on A4 or A2 measurements, respectively, in the monitored cell, and calculate the successrate of such attempts in the cell. ? L.CA.DLSCell.Add.Blind.Att ? L.CA.DLSCell.Add.Blind.Succ Observe the number of attempts to add SCells for CA UEs in a blind manner in the monitored cell, and calculate the success rate of such attempts in the cell. ? L.CA.DLSCell.Mod.Att ? L.CA.DLSCell.Mod.Succ Observe the number of SCell changes based on event A6 in the monitored cell, and calculate the successrate of the SCell changes in the cell. ? L.CA.DLSCell.Act.Att ? L.CA.DLSCell.Act.Succ ? L.CA.DLSCell.Deact.Att ? L.CA.DLSCell.Deact.Succ Observe the number of attempts to activate or deactivate SCells for CA UEs in the monitored cell, and calculate the success rate of activating or deactivating SCells for CA UEs in the cell. ? L.CA.Traffic.bits.DL.PCell ? L.CA.Traffic.bits.DL.SCell ? L.CA.DL.PCell.Act.Dur ? L.CA.DL.SCell.Act.Dur Observe the MAC-layer traffic volume of the CA UEs that treat the cell as their PCell or SCell. In addition, observe the total duration of dow nlinkdata transmission to the CA UEs that treat the cell as their PCell or SCell. ? L.Traffic.User.SCell.Active.DL.Avg ? L.Traffic.User.SCell.Active.DL.Max Observe the average number and maximum number of CA UEs that treat the cell as their SCell and have the cell activated.
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