B.1 Measurements Related To The BSC

12.043GPPPerformance data measurementsTS

B.1.1 BSC Measurement Function

B.1.1.1 Unsuccessful requests for service

A. This measurement provides the number of unsuccessful mobile originated services for the BSC. Note, the "reject cause" indicates why the service request was rejected. Possible causes include, B-Subscriber busy, network out of order, protocol errors.

B. CC.

C. Transmission of "CM-SERVICE REJECT" Message to MS requesting service (3GPP TS 04.08 [2]).

D. unsuccReqsForService.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit switching.

B.1.1.2 Unsuccessful requests for service, per cause

A. This measurement provides the number of unsuccessful mobile originated services for the BSC per cause. Note, the "reject cause" indicates why the service request was rejected. Possible causes include, B-Subscriber busy, network out of order, protocol errors.

B. CC.

C. Transmission of "CM-SERVICE REJECT" Message to MS requesting service (3GPP TS 04.08 [2]).

D. unsuccReqsForServicePerCause.

E. An integer value per cause.

F. BSC Measurement Function.

G. Valid for circuit switching.

B.1.1.3 Mean Inter-arrival Time ( Circuit Switched )

A. This measurement provides the arithmetic mean of the sum of time intervals between consecutive mobile originating call attempts.

B. CC.

C. This measurement is obtained by accumulating the time segments between receipt of consecutive access Message on the RACH with establishment cause "MOBILE ORIGINATING CALL" and then taking the arithmetic mean (3GPP TS 04.08 [2]).

D. meanInterArrivalTime

E. A single real value.

F. BSC Measurement Function.

G. Valid for circuit switching.

B.1.1.4 Attempted Transmission of Paging Messages, per BSC

A. This measurement provides the number of Paging messages transmitted, on a per BSC basis (these are counted as attempts).

B. CC.

C. Transmission of "PAGING REQUEST" (3GPP TS 04.08 [2]).

D. attTransOfPagingMessagesPerBSC.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit and packet switching.

B.1.1.5 Unsuccessful Transmission of Paging Messages, per BSC

A. This measurement provides the number of unsuccessful Paging requests, on a per BSC basis.

B. CC.

C. No "PAGING RESPONSE" received for the "PAGING REQUEST", expiry of timer T3113 (3GPP TS 04.08 [2]).

D. unsuccTransOfPagingMessagesPerBSC.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit and packet switching.

B.1.1.6 Attempted IMMEDIATE ASSIGNMENT Procedures, per BSC

A. This measurement provides the number of attempted immediate assignment procedures, on a per BSC basis.

B. CC.

C. Receipt of "CHANNEL REQUEST" Message. Note, the establishment causes are: "EMERGENCY CALL", "CALL RE-ESTABLISHMENT", "ANSWER TO PAGING", "ORIGINATING CALL" , "LOCATION UPDATING", "ONE PHASE PACKET ACCESS", "SINGLE BLOCK PACKET ACCESS" and "OTHER PROCEDURES" as defined in (3GPP TS 04.08 [2]).

D. attImmediateAssingProcsPerBSC.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit and packet switching.

B.1.1.7 Successful IMMEDIATE ASSIGNMENT Procedures, per BSC

A. This measurement provides the number of successful immediate assignment procedures, on a per BSC basis.

B. CC.

C. Transmission of "IMMEDIATE ASSIGN COMMAND" Message. This Message contains either an "IMMEDIATE ASSIGNMENT" Message or an "IMMEDIATE ASSIGNMENT EXTENDED" Message. If an "IMMEDIATE ASSIGNMENT EXTENDED" Message is transmitted, the counter shall be incremented by two, because that Message contains assignment information for two mobiles (3GPP TS 04.08 [2]).

D. succImmediateAssingProcsPerBSC.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit and packet switching.

B.1.1.8 Successful Internal Handovers, intra-CELL, per BSC

A. This measurement provides the number of times a call moves from the occupied channel of the CELL to another free channel of the same CELL, on a per BSC basis.

B. CC.

C. Transmission of a "HANDOVER PERFORMED" Message to the MSC (3GPP TS 08.08 [5]).

D. succInternalHDOsIntraCellPerBSC.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit switching.

B.1.1.9 Unsuccessful Internal Handovers, intra-CELL, per BSC

A. This measurement provides the number of unsuccessful intra CELL Handovers, i.e. an attempt was made to move a call .from the occupied channel of the CELL to another free channel of the same CELL, on a per BSC basis.

B. CC.

C. Receipt of "ASSIGNMENT FAILURE" Message for the attempted handover (3GPP TS 04.08 [2]).

D. unsuccInternalHDOsIntraCellPerBSC.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit switching.

B.1.1.10 Successful Internal Handovers per BSC

A. This measurement provides the number of successful Handovers on a per BSC basis, it includes intra-CELL as well as inter-CELL Handovers.

B. CC.

C. Transmission of a "HANDOVER PERFORMED" Message to the MSC (3GPP TS 08.08 [5]).

D. succInternalHDOsPerBSC.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit switching.

B.1.1.11 Successful Internal Handovers per cause

A. This measurement provides the number of successful Handovers per cause, it includes intra‑CELL as well as inter-CELL Handovers.

B. CC.

C. Transmission of a "HANDOVER PERFORMED" Message to the MSC (3GPP TS 08.08 [5]).

D. succInternalHDOsPerCause.

E. An integer value per Handover cause.

F. BSC Measurement Function.

G. Valid for circuit switching.

B.1.1.12 Unsuccessful Internal Handovers with reconnection to old channels, per BSC

A. This measurement provides the number of unsuccessful Handovers, on a per BSC basis (with reconnection to the original channels).

B. CC.

C. Receipt of "HANDOVER FAILURE" Message for the attempted handover (3GPP TS 04.08 [2]).

D. unsuccInternalHDOsWithReconnectionPerBSC.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit switching.

B.1.1.13 Unsuccessful Internal Handovers with loss of connection, per BSC

A. This measurement provides the number of unsuccessful Handovers that end in loosing the call, on a per BSC basis.

B. CC.

C. Expiry of timer T3103 for Inter CELL Handovers and Expiry of timer T3107 for Intra CELL Handovers (3GPP TS 04.08 [2]).

D. unsuccInternalHDOsWithLossOfConnectionPerBSC.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for circuit switching.

B.1.1.14 Flush Requests Received

A. This measurement provides the total number of flush request messages received from the SGSN to flush the PDUs for a given cell.

B. CC.

C. Update count for each receipt of a PDU flush request message from the SGSN.

D. flushReqReceived.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for packet switching.

B.1.1.15 Paging Requests Received from SGSN

A. This measurement provides the total number of "PAGING" messages received by the BSS from the SGSN.

B. CC.

C. Update count for each receipt of a "PAGING" message by the BSS from the SGSN.

D. pagingReqReceivedfromSGSN.

E. A single integer value.

F. BSC Measurement Function.

G. Valid for packet switching.

B.1.1.16 Mean Inter-arrival Time ( Packet Switched )

A. This measurement provides the arithmetic mean of the sum of time intervals between consecutive mobile originating packet channel access request .

B. CC.

C. This measurement is obtained by accumulating the time segments between receipt of consecutive ‘PACKET CHANNEL REQUEST’ message with the establishment cause being either one phase packet access or single block packet access, on the PRACH and then taking the arithmetic mean 3GPP TS 04.60 [23].

D. meanPSInterArrivalTime

E. A single real value.

F. BSC Measurement Function.

G. Valid for packet switching.