Factors Affecting Throughput in LTE :- Low mcs, Low sinr, Low rsrq , high prb usage, wrong earfcn Definition, no Carrier aggregation ör missing ca configuration, Pci , Route sequence index collision, Wrong tac planning, gateway security problem, etc. air quality (now sinr, rsrq, etc etc), modulation level. For example, 16QAM, 64QAM, etc. Low Throughput Issue:- 1 - Poor coverage (BLER) 2 - Availability issue 3 - Uplink Interference 4 - A poor RACH decoding SR 5 - High error on S1 link. 6 - Delay on S1 link towards MME & SGW. 7 - Accessibility issue. 8 - Handover failure. 9 - Lack of PRBs. 10 - Problematic UE. 11 - Downlink Interference (Bad CQI) 12 - MIMO Parameters 13 - High VSWR 14 - High radio errors or instability issue. 15 - Maximum number of RRC connections active per cell 16 - Maximum number of users per TTI supported per cell. 17 - Core network, MME/SGW, etc 18 - Transmission instability & bottleneck. 19 - Incorrect parameter setting. 20 - Badly tuned handover parameters...
Tangent International are urgently looking for a 4G / 5G Optimization Engineer to work a 12 month rolling contracts based in Portugal (Lisbon)
JOB DESCRIPTION
Responsible for GULN related radio optimization on LTE modernization and optimization project delivery which include:
All optimization activities including generating parameter scripts, single site verification, drive-test analysis, generating cluster acceptance reports.
Worst cell analysis;
KPI monitoring during project and network performance related issues troubleshooting
Deliver radio network related features/parameter strategy proposals.
Perform network parameter audits and provide improvement solutions.
3 to 8 years experience on RAN Planning & Optimization;
Experienced with LTE network structure and basic L3 signalling procedures.
Familiar with at least another technology such as GSM, UMTS or NR.
Experienced at performance analysis and troubleshooting through Performance KPIs and Drive-Test analysis;
Experienced at RNP/RNO related tools such as TEMS Investigation, Genex Probe, Genex Assistant, MapInfo;
Familiar with Huawei LTE Features and parameters is a plus;
Familiar with common performance KPIs and counters;
Experienced with Huawei tools such as MAE, MAOS, OMStar and FMA is a plus.
If interested please send me your updated CV to david.vose@tanint.com
Alternatively, if you aren't available please feel free to send my details to any friends that might be interested.
***PLEASE NOTE *** - Due to the Urgency of this project the client will only consider consultants based in Europe currently.
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