【資料名稱】：EDGE Radio Networks - OSS KPIs

【資料作者】：nsn

【資料日期】：2005

【資料語言】：英文

【資料格式】：DOC

【資料目錄和簡介】：

1.Introduction5
2.How to use OSS statistics6
2.1Areas to monitor6
2.2Time aggregation6
2.3Object aggregation7
2.4Applicability of BSS statistics8
2.5Threshold values9
3.List of recommended KPIs11
4.Network usage13
4.1RLC payload13
4.1.1Downlink GPRS RLC payload (Kbytes)13
4.1.2Uplink GPRS RLC payload (Kbytes)14
4.1.3Downlink EGPRS RLC payload (Kbyte)15
4.1.4Uplink EGPRS RLC payload16
4.2Packet Erlangs17
4.2.1Downlink GPRS Erlangs17
4.2.2Uplink GPRS Erlangs18
4.2.3Downlink EGPRS Erlangs20
4.2.4Uplink EGPRS Erlangs21
4.2.5PS Erlangs23
4.3Simultaneous Users24
4.3.1Number of uplink simultaneous users24
4.3.2Number of downlink simultaneous users25
4.4TBF properties26
4.4.1Number of UL GPRS TBFs26
4.4.2Number of UL EGPRS TBFs26
4.4.3Number of DL GPRS TBFs27
4.4.4Number of DL EGPRS TBFs28
4.4.5UL TBF duration28
4.4.6DL TBF duration29
4.5Handset capabilities29
4.5.1Number of requested timeslots for downlink TBFs30
5.CCCH congestion30
5.1CCCH Usage31
5.1.1Number of CCCH messages31
5.2CCCH Congestion31
5.2.1AGCH congestion (GPRS related)31
5.2.2PCH congestion (GPRS related)32
6.PDTCH congestion33
6.1High amount of CS traffic33
6.1.1Average PS territory33
6.2No more PS capacity in BTS34
6.2.1Peak PS territory34
6.3Hard blocking35
6.3.1UL multislot allocation blocking35
6.3.2DL multislot allocation blocking36
6.4Soft blocking36
6.4.1Soft UL multislot blocking36
6.4.2Soft DL multislot blocking37
6.5Timeslot sharing38
6.5.1UL TBFs pr time slot38
6.5.2DL TBFs pr time slot38
6.6GPRS triggered handovers39
6.6.1GPRS triggered handovers pr talk minute39
7.PDTCH quality40
7.1Downlink GPRS quality41
7.1.1DL GPRS RLC throughput41
7.1.2DL GPRS coding scheme selection42
7.1.3DL CS2 Retransmission rate42
7.2Uplink GPRS quality43
7.2.1UL GPRS RLC throughput43
7.2.2UL GPRS coding scheme selection44
7.2.3UL CS2 Retransmission rate45
7.3Downlink EGPRS quality45
7.3.1Downlink RLC throughput46
7.3.2Downlink coding scheme selection (RLC Ack mode)47
7.3.3Downlink retransmission ratio (RLC Ack mode)48
7.4Uplink EGPRS quality49
7.4.1Uplink RLC throughput49
7.4.2Uplink coding scheme selection (RLC Ack mode)50
7.4.3Uplink retransmission ratio (RLC Ack mode)50
7.4.4Uplink BLER51
8.Mobility52
8.1Cell reselections in packet transfer mode52
8.1.1UL TBF releases due to flush52
8.1.2DL TBF releases due to flush53
9.Abis congestion54
9.1TRXSIG congestion54
9.2EDAP Congestion54
9.2.1Peak DL EDAP usage54
This counter can be used to detect problems in the DSP allocation in the PCU. If the dl_tbfs_with_inadeq_edap_res is high even if the peak_dl_edap_usage is below 100%, this is normally an indicator of DSP allocation problems.55
9.2.2Peak UL EDAP usage55
9.2.3Inadequate EDAP resources in DL56
9.2.4No EDAP resources in UL56
10.PCU Congestion57
10.1GPRS territory size57
10.1.1Territory upgrade rejection due to PCU capacity57
11.Gb Congestion58
11.1Gb load58
11.1.1Uplink Gb load (BSC to SGSN)58
11.1.2Downlink Gb load59
12.Not recommended KPIs60
12.1PDTCH congestion60
12.1.1Territory upgrade rejection due to high CS traffic load60
12.2Territory upgrade requests due to lack of PSW resources60
12.3PDTCH quality61
12.3.1EGPRS UL retransmission counters61
12.3.2GPRS UL retransmission counters62
12.3.3Dropped TBFs62
12.4Throughput64
12.4.1MS specific flow rate64
12.4.2LLC throughput for 4 tsl EGPRS handsets65