05 GENEX Assistant WCDMA\(Ver2 3\) www huawei com Huawei confidential, 2010 05 1 Huawei GENEX SeriesHuawei GENEX Series GENEX Assistant WCDMA (V200R003) www huawei com Huawei confidential, 2010 05 2 A[.]
Huawei GENEX Series GENEX Assistant WCDMA (V200R003) www.huawei.com Huawei confidential, 2010-05 After studying, you will learn: • How to analyze the drive test data by using the GENEX Assistant • How to use the analysis function provided by the GENEX Assistant www.huawei.com Huawei confidential, 2010-05 Contents Functions and Features of the GENEX Assistant Basic Features Special Features of the HSDPA Special Features of the HSUPA Cases www.huawei.com Huawei confidential, 2010-05 Application Designing of the GENEX Assistant Requirements for drive test data post-processing software Being the data post-processing software designed for drive test, that is, air interface test, the GENEX Assistant enables you to effectively and accurately analyze data, learn the network performance, locate network problems, and export the results Thus, the GENEX Assistant is designed to have the following features: Providing multiple data processing mechanisms, such as binning, filtering, and combining Directly displaying data Automatically generating various kinds of optimization reports Effectively and quickly processing a large amount of data Providing user-friendly interface and human-based functions Functions: Decreasing the technical requirements for optimization engineers and improving work efficiency Quickly optimizing the network, thus helping to shorten the project period, and reduce the cost of human power and time Finding potential network problems in time Exporting analysis results according to standards and providing accurate evaluation Helping to back up or archive projects and cases www.huawei.com Huawei confidential, 2010-05 Effective Data Processing Mechanism of the GENEX Assistant Types of data supported by the GENEX Assistant The GENEX Assistant can support the drive test data collected by the Probe The GENEX Assistant is the only post-processing software that can support the combined analysis on the drive test data and the user tracing data on the Huawei RNC side The GENEX Assistant applies to the LTE, WCDMA, HSDPA, GSM, WiMAX, GPRS, or EDGE Data processing method of the GENEX Assistant The GENEX Assistant processes data by dataset, thus helping to manage a large amount of data securely, effectively and stably, and to improve the methods of updating, backing up and archiving previous optimization projects In addition, the GENEX Assistant can provide: Four geographic binning modes Three data sampling methods Data dispersing The GENEX Assistant can use different data binning and sampling methods to significantly improve the analysis efficiency www.huawei.com Huawei confidential, 2010-05 Powerful Intelligent Report System Types of reports that can be generated by the GENEX Assistant intelligent report system WCDMA DT report, WCDMA KPI report, WCDMA delay report, WCDMA call analysis report, WCDMA application layer analysis report, GSM analysis report, and so on All types of reports in the GENEX Assistant are integrated into the GENEX Assistant intelligent report system www.huawei.com Huawei confidential, 2010-05 Detailed Report Function Excel Report www.huawei.com Huawei confidential, 2010-05 Analysis Report Scanner neighboring cell analysis report, comparison and analysis report of the UE CPICH measurement results before a call end or before and after a call drop, UE soft handover performance analysis report, and so on WCDMA Scanner neighboring cell list CPICH measurement results before a call end or before and after a call drop WCDMA UE inter-frequency handover success rate www.huawei.com Huawei confidential, 2010-05 Detailed Report Function Word Report Includes custom report and WCDMA DT report www.huawei.com Huawei confidential, 2010-05 Detailed Report Function Word Report Settings Right-click the Dataset node, and then choose Analysis Report > Report Wizard Click Next Double-click Custom Report, and then set the options of the Word report Three types of reports can be generated They are IE, EVENT, and KPI You can select one as required IE Event KPI Set the sequence of reports Select a technology www.huawei.com 10 Huawei confidential, 2010-05 Word Collector The data in a chart or table in the GENEX Assistant can be directly exported in doc format by using the Word Collector www.huawei.com 31 Huawei confidential, 2010-05 Analyzing Indexes • Selecting the items to be analyzed under the indicator node Each indicator can be geographically displayed in the data table, pie chart, bar chart, chart, or on the map www.huawei.com 32 Huawei confidential, 2010-05 Scanner Simulation Event The simulation events are as follows: • Soft handover • Pilot pollution They are used for: • Neighboring cell optimization • Pilot pollution analysis • Call drop analysis The GENEX Assistant also supports the CIO settings to ensure that the simulation is more like the actual network For details, see "Case1 Analyzing Pilot Pollution Problem" and "Case2 Handover Event simulation by Scanner Data." www.huawei.com 33 Huawei confidential, 2010-05 Using Planning methods for Optimization Analysis Evaluation of site reparenting/site being removed from service and evaluation of the impacts of emergency faults in hot spots What the impacts on the network when a site or cell is removed from service? This seems a prediction task at the network planning stage It, however, still needs to be evaluated at the optimization stage The GENEX Assistant provides such an evaluation function It can be used to predict the impacts if the cell (SC45) shown in the following figure is disabled Compare the predication result and the actual measurement result plus the offset www.huawei.com 34 Huawei confidential, 2010-05 Analysis by Using RNC Data Uplink and downlink data synchronization analysis The GENEX Assistant supports the import of Huawei RNC data, including the signaling of UEs, NodeBs, and CN After the imported data is synchronized with the GPS time, the GENEX Assistant can display the drive test data and the test data of the RNC concurrently for analyzing the uplink and downlink data including the data of the RNC single UE signaling trace RNC data Uplink data Drive test data Downlink data www.huawei.com 35 Huawei confidential, 2010-05 Analysis by Using RNC Data Uplink and downlink data synchronization analysis (Continued) Advantages of RNC data: • It can completely display the signaling interaction information about radio interfaces • After being synchronized with the GPS time, it can be displayed on the map for locating the area where the uplink coverage is faulty www.huawei.com 36 Huawei confidential, 2010-05 Contents Functions and Features of the GENEX Assistant Basic Features Special Features of the HSDPA Special Features of the HSUPA Cases www.huawei.com 37 Huawei confidential, 2010-05 HSDPA Test Data Analysis HSDPA KPIs: • HSDPA rate statistics • HSDPA channel quality • HSDPA decoding statistics www.huawei.com 38 Huawei confidential, 2010-05 HSDPA KPI Display HSDPA rate statistics and channel quality Counter Type Rate statistics Channel quality www.huawei.com Counter Name Description Scheduled Rate (Delta) Indicates the rate delta of scheduling data at the MAC layer Served Rate (Delta) Indicates the rate delta of transmission at the MAC layer, including the rate of failed transmissions and retransmissions MAC Layer Rate (Delta) Indicates the rate delta of transmission at the MAC layer, excluding the rate of failed transmissions and retransmissions DSCH SBLER (Delta) Indicates the block error rate at the MAC layer (transient value) SCCH Success Rate (Delta) Indicates the usage ratio of the HS-SCCH channel (transient value) HS-DPCCH CQI Indicates the channel quality indicator HS-DSCH Retrans Rate (Delta) Indicates the retransmission rate of the HS-DSCH channel (transient value) HS-PDSCH Codes Indicates the average number of codes used by a UE The average period is 200 ms 39 Huawei confidential, 2010-05 HSDPA KPI Display Decoding statistics There are three types: • Collecting statistics of decoding counters by drive test files • Collecting statistics of decoding counters by all TBS statistics • Collecting statistics of by each TBS By drive test files Statistics of all TBS By each TBS www.huawei.com 40 Huawei confidential, 2010-05 HSDPA KPI Display HSDPA decoding statistics Counter Name Description TBS Indicates the transport block size Each frame transmits only one TB QPSK Indicates the number of frames modulated in QPSK mode 16QAM Indicates the number of frames modulated in 16 quadrature amplitude modulation (16QAM) mode SB + Indicates the number of frames successfully transmitted at the MAC layer Dup SB + Indicates the number of NACK messages to which the NodeB translates the ACK messages returned by the UE upon successful decoding Other Indicates the number of exceptional frames, for example, the frame whose TBS of the current successful retransmission is different from that of the latest successful transmission SBLER Indicates the served block error rate This parameter is calculated based on the following formula: Number of transmission failures / Total number of transmissions x 100% 1st Indicates the SBLER of the first frame at the MAC layer Block - Indicates the number of frames that fail to be transmitted at the RLC layer After several failures at the MAC layer, the RLC initiates the retransmission Block + Indicates the number of frames successfully transmitted at the RLC layer The Block+ equals SB+ Res BLER Indicates the block error rate at the RLC layer This parameter is calculated based on the following formula: Number of frames that fail to be transmitted at the RLC layer/ Total number of transmissions at the RLC layer x 100% Indicates the number of frames successfully transmitted at the MAC layer during the first transmission Indicates the number of frames successfully transmitted in the second retransmission after the first transmission fails Indicates the number of frames successfully transmitted in the third retransmission after the first transmission and the second retransmission fail Indicates the number of frames successfully transmitted in the fourth retransmission after the first three transmissions fail Indicates the number of frames successfully transmitted in the fifth retransmission after the first four transmissions fail >=6 Indicates the number of frames successfully transmitted in the sixth or later retransmission after all the previous transmissions fail www.huawei.com 41 Huawei confidential, 2010-05 Contents Functions and Features of the GENEX Assistant Basic Features Special Features of the HSDPA Special Features of the HSUPA Cases www.huawei.com 42 Huawei confidential, 2010-05 HSUPA Test Data Analysis HSUPA KPIs: • HSDPA rate statistics • HSDPA power statistics • HSDPA decoding statistics www.huawei.com 43 Huawei confidential, 2010-05 HSUPA KPI Display HSUPA decoding statistics www.huawei.com 44 Huawei confidential, 2010-05 www.huawei.com 45 Huawei confidential, 2007-06