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5G RAN ΝSA Optimization telecom training course

5G RAN ΝSA Optimization

5G RAN ΝSA Optimization will offer delegates a good presentation and deep understanding on the optimization process, including signaling messages and procedures for 5G NR RAN NSA scenario
Aimed At
Course Review
Why Choose this Course
You will learn
Course Outline
Training Format
FAQ's

Customer Tailored

We can tailor the included topics,tech level,and duration of this course right to your team’s technical requirements and needs. - MCNS offers courses to companies, institutions, departments etc and not to individuals as per open courses.
Aimed At

5G RAN ΝSA Optimization it is considered to be a valuable companion and expertise topic mainly for Radio Network Planners and Radio Network Optimizers, technical professionals, RAN engineers, RF engineers whose daily job is to plan and optimize the network performance. It is considered also to be valuable for 5G System Architects, 3GPP consultants, 5G R&D Researchers, 5G System Analysts and 5G network consultants, contributing into further insight to the 5G NSA technology’s potentials and performance analysis requirements for services, optional feature enhancements and general E2E performance in the pathway towards 6G.

Prerequisites: Those wishing to take this course should have a very good and solid understanding of 5G NR air interface, 5G NR RAN protocols with relevant signaling flows and 5G NR NSA Operational Procedures.

Course Review

This 5G training course leads the audience into a deep dive towards 5G Non-Stand Alone (NSA) optimization procedures. Course content is split into four main categories, i.e. LTE accessibility/connection optimization, service retainability optimization, throughput optimization and mobility optimization. Participants will be able to study or review the 5G NSA RAN signaling flows with extensive analysis, based on log files extracts with intuitive exercises. They will exploit the overall NR NSA idle mode behavior, accessibility/connection setup, SN split bearer service setup and release, mobility as well as throughput performance. This course will also discuss in details the related protocol layer configuration parameters as well as the corresponding proposed KPIs either from network perspective or from drive test analysis perspective. Finally it is worth mentioning that this course will be also supported with trace log file analysis and exercises.

Course Benefits for individuals (Professionals)
  • Understanding 5G NSA RAN optimization procedures in conjunction with relevant signaling flows and procedures
  • Gain a competitive advantage by developing a greater understanding of 5G NR NSA Log Analysis for service integrity, throughput, accessibility and mobility performance optimization.
  • Explore the 5G NR NSA signaling flows from procedural perspective.
  • Dive into 5G NSA LTE and NR sector RACH procedures, DL and UL data operation, and EN-DC mobility and beam management.
  • Delegates will have an opportunity to explore the topic by industry expert driven content
Course Benefits for your Organization
  • Equip organization engineers with the necessary knowledge to accomplish the most difficult and complex tasks related to 5G NR NSA RAN optimization and troubleshooting.
  • Keep ahead of competitors in offering well planned and high quality customers’ 5G services (which could be justified by proper benchmarking analysis)
  • Prepare for future network expansions and quality performance optimization
  • Enhance your team’s technical skills and understanding of 5G NR NSA Log Analysis and optimization processes
  • Real world case studies and scenarios are used to ensure delegates can practically apply their knowledge
You will learn
The key points you will learn through this course

5G NSA Network requirements

5G NSA Connectivity Procedures

5G NSA Service retainability Optimization

5G NSA Service throughput Optimization

5G NSA mobility optimization

Course Outline
A short brief of your program details & schedule

5G NSA Architecture review

  • 3GPP standards for 5G Network
  • 3GPP Release 15 phase I and phase II overview
  • 3GPP Release 16 overview
  • 5G NG Architectures
  • 5G EPC architecture and enhancements
  • 5G NR NSA option 3x review

5G NR requirements review

  • Numerology and vendor licenses
  • Frequency bands and Channel Bandwidth support
  • Licensed TDD or FDD – vendor specific
  • 5G NR TDD patterns and special slots
  • LTE TDD configuration
  • MIMO and mMIMO antenna panels
  • UL/DL spatial multiplexing supported layers – vendor specific
  • FR1 supported Digital Beamforming & number of beams
  • FR2 supported Analog/Hybrid Beamforming
  • Vendor specific SU-MIMO or MU-MIMO
  • Capacity – RRC connected user licenses
  • Cell peak throughput supported (Baseband unit licenses)
  • 5G NR FR1 carrier aggregation support
  • 5G NR FR2 carrier aggregation support

5G NSA idle mode requirements

  • UE requirements for 5G NSA logo
  • 5G Logo Icon / 5G upper layer indication
  • Requirements for NSA supporting LTE cells
  • NR UE measurements (SSB and CSI-RS)
  • Trace log analysis presentation

5G NSA initial accessibility optimization

  • LTE accessibility call flow analysis
  • LTE Accessibility KPIs analysis
  • LTE RACH preamble parameters troubleshooting
  • LTE RACH successful probability estimation vs. cell range and users
  • UE capability
  • 5G DSS with practical deployments and constraints
  • LTE call flow and failure analysis
  • Trace log analysis presentation

5G NSA Secondary Node (SN) Addition optimization

  • Network requirements for NSA SN (SCG) addition
  • UE requirements for NSA SN addition
  • NR B1 measurement configuration and report analysis
  • NR B1 parameter analysis
  • 5G NR detection and reporting
  • 5G NSA SN addition – signaling flow analysis
  • 5G NSA SN addition – KPI analysis
  • 5G NSA Split bearer successful establishment analysis & KPI
  • Trace log analysis with exercise

5G NSA NR RACH accessibility optimization

  • NR RACH parameters analysis
  • 5G Access common issues
  • 5G NSA gNB RACH failure analysis
  • 5G NSA gNB RACH KPI analysis
  • Random Access successful probability performance analysis
  • msg1 Detection probability vs. SINR
  • msg1 preamble accessibility vs. Cell capacity
  • msg2 Detection probability vs. SINR
  • msg3 Detection probability vs. SINR
  • msg4 Detection probability vs. SINR
  • RACH preamble pattern vs. Cell range
  • Random Access coverage improvements
  • TDD frame structure optimization
  • TDD special slot vs. Cell range
  • NR RACH successful probability estimation vs. cell range and users
  • NR RACH performance excel calculator exercises

5G NSA bearer transitions optimization

  • Split Bearer in NSA Mode
  • 5G NSA UL split bearer parameters
  • 5G NR DL split bearer parameters
  • Bearer modification signaling flow analysis
  • SGNB modification requests
  • Split bearer data flow KPIs and performance estimation
  • Investigate frequent split bearer data flow
  • Trace log analysis with examples

5G NSA Secondary Node (SN) Release Analysis

  • Common Reasons for SN release
  • SCG failure & NR Radio Timers optimization
  • NR MAC parameter description
  • MAC T304 timer failure analysis and optimization
  • NR RLC parameter description
  • RLC failure and parameters optimization
  • 5G Radio connection supervision (RCS) in 3GPP
  • Physical layer RCS parameters and optimization
  • 5G NR coverage failure due to A2 event
  • 5G NSA SN release signaling flow analysis
  • 5G NSA SN release KPIs
  • Trace log analysis with examples

5G NSA NR parameter analysis

  • NR PDCP parameters optimization
  • NR PDCCH parameter optimization
  • NR PDSCH parameter optimization
  • NR PUCCH parameter optimization
  • NR PUSCH parameter optimization
  • NR CSI-RS, DMRS and PTRS parameter configuration and optimization
  • Trace log file analysis
  • Excel calculator with parameter configuration vs. throughput examples

5G NR NSA throughput estimations

  • Factors & Prerequisites to reach max 5G Throughput
  • Maximum NR cell throughput estimation (excel file)
  • Maximum NSA throughput estimation (excel file)
  • Link Adaptation and scheduler performance
  • NR RB Throughput vs. SINR (Vendor specific curves)
  • Practical Drive Test analysis
  • 5G NR average Throughput Calculation (excel file)
  • 5G NR cell edge user maximum throughput estimation (excel file)
  • Throughput estimation from Logfile analysis
  • RLC MAC Throughput KPIs
  • PDCP throughput and data volume KPIs

5G NR NSA low throughput troubleshooting

  • Troubleshoot low DL/UL NR throughput
  • Number of Grant and RB Troubleshooting
  • Low MCS Troubleshooting
  • High IBLER Troubleshooting
  • Low rank Troubleshooting
  • 5G NSA Carrier Aggregation optimization
  • Cross-Link Interference detection and solution (TDD frames optimization)
  • DL/UL unbalance
  • UE power saturated
  • Troubleshoot NR interference
  • Check NR FDD/TDD frequency planning
  • TDD Adjacent Channel Interference
  • NR to NR & NR to LTE TDD frame matching
  • NR hotspot interference
  • Trace log file analysis

NSA mobility planning

  • NSA A2, A3 and B1/B2 events
  • NSA intra-frequency PScell change KPIs
  • NSA intra-frequency and inter-frequency handover KPIs
  • 5G mobility failure analysis
  • Trace log analysis with examples

NSA beam management procedures

  • NSA SSB beam sweeping and beam detection
  • NSA beam measurement failure analysis
  • NSA beam determination and selection
  • NSA beam switching failure analysis
Training Format

Instructor-Led Training

On-Site Classroom: 4 days

Web delivered (Virtual): 4 days

Excellent and descriptive course material (pdf file) will be provided

FAQ's

How is CBRA RACH implemented in 5G NSA?

In contention based Random access, UE randomly a Preamble with potential risks of selecting the same preamble as another UE and evemtually experience conflict or contention with a proper contention resolution mechanism by eNodeB. CBRA implements a four step RACH Procedure: • Step 1: Random Access Preamble Transmission (Msg1) • Step 2: Random Access Response (Msg2) ==> Upon receiving a preamble, gNodeB uses the pre-reserved C-RNTI for NSA along with uplink and downlink scheduling resources and sends an RA response over the PDSCH containing the RA-preamble identifier, timing alignment information, initial uplink grant, and C-RNTI. • Step 3: Scheduled UL Transmission (Msg3) ==> UE sends uplink scheduling information over the PUSCH • Step 4: Contention Resolution (Msg4) ==> a contention resolution timer starts on UE side and gNodeB assists the UE in contention resolution using the C-RNTI on the PDCCH

How is non contention based (CFRA) RACH implemented in 5G NSA??

In non contention based Random Access, dedicated (reserved) RACH Preamble is allocated by the gNodeB. The dedicated preamble is provided to UE either via RRC signalling (RRC connection reconfiguration message) by eNodeB. It consists of three steps: • Step 1: Random Access Preamble Assignment ==> gNodeB reserves a dedicated RA preamble to the UE and forward it via X2 signaling to eNodeb and via RRC connection reconfiguration message to UE. • Step 2: Random Access Preamble Transmission (Msg1) • Step 3: Random Access Response (Msg2) ==> in NSA scenario, the RAR message must contain the timing alignment information and RA preamble identifier (RAPID).

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