4G Radio Optimization

Just an intro before you start ,,

- Know the difference between Logical, Transport and physical channels the start with the DL channels in each layer
Logical: BCCH, PCCH, CCCH, MTCH, MCCH, DTCH, DCCH.
Transport: BCH, PCH, MCH and D-SCH.
Physical: PBCH, PDSCH, PMCH, PSS, SSS, RS, PHICH, PCFICH, PDCCH.

- Learn the relation between theses channels.

Talking in details about BCCH channels and its characteristics.

- Talking about characteristics about PSS, SSS and RS,
- PCI definition, PCI assignment in cells,
- Cell Search overview,
- Also comparing with 2G and 3G systems.

- Talking about characteristics of PDCCH, PCFICH, PHICH in details.
- CCE concept, CCE aggregation.

- Talking about characteristics of UL channels in all layers (logical, transport, physical);
CCCH, DTCH, DCCH, RACH, UL-SCH, PUSCH, PRACH, PUCCH, SRS, DMRS

- Talking in details about RACH and compare it to legacy networks 2G, 3G.
- Know what is meant by RSN and how to use.

Know what is meant by each quantity and how to measure RSRP, RSRQ, RSSI, SINR, SNR

- How any LTE-UE in idle mode state will choose its network to connect and state different scenarios that facing either hPLMN or vPLMN (detaild steps with examples)

- Cell Search in details.

- Learn in details exactly how the LTE-UE can choose the best cell among cells appeared.
- How to use parameters in the criteria to select the best cell and to avoid problems (practical examples)

- Learn why the LTE-UE need to perform operation in idle mode like Cell Reselection.
- Learn how to perform with different types of neighbors (Intra-frequency, Inter-Frequency, IRAT).
- Use different parameters with practical examples to do it (different scenarios)

Completing part 1 of Cell Reselection

- What TAU ?
- Types of TAU.
- TAL concept

- Know what is paging how performed in LTE
- PO, Paging Frame, DRX cycle
- How to use parameters related to paging

- MIB
- SIBs (SIB 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- know what information carried on any of MIB or any SIB

- Know what the different links and connections established between LTE-UE and different nodes in network either logical or physical (RL, RB, SRB, RAB, IU-CS, IU-PS, S1-C, S1-U, SC, S5, S8, EPS Bearer,SGi, E2E link)

- APN and relation with EPS bearer
- LTE-UE states

- What QoS concept
- Different attributes
- QCI

- What Scheduling technique
- Scheduling types
- UL & DL Scheduling

- Know in general different cases of handover in case of voice or PS session.
- Handover process
- What decisions triggering Handover process to start

- What is Intra-Freq HO
- Applying the equation of this type of HO
- What parameters to use and events (Showing an example)
- The whole scenario of signaling
- RACH procedures (Contention based, Contention Free)

- What is Inter-Freq and IRAT HO
- Applying the equation of this type of HO
- What parameters to use and events (Showing an example)
- The whole scenario of signaling

- What CSFB
- CSFB Scenarios (Blind Redirection, Redirection with measurements, CSFB with PSHO)
- Talking in both MOC and MTC with signaling flow
- How to back to 4G after CSFB
- CSFB success rate KPI how to indicate in both MOC and MTC

Completing part 1 of CSFB

- Why Power Control
- How to estimate PWR for each channel in UL and DL using equations and related parameters in massive details

Completing part 1 of Power Control

- What C-DRX feature and difference with DRX
- How to use parameters in this feature

- Explain in details how we could supervise our Radio Link using different parameters to ensure reliable radio connection

- Overview of what SON means
- Overview about ANR, MLB, MRO, CCO