Telecom Innovation

Welcome to our school, your gateway to mastering 5G Physical Layer Development and Design. This training will equip you with the knowledge and skills to excel in the rapidly evolving 4G/5G/6G technology world. Whether you are a seasoned engineer, a developer, or a fresher looking to break into the field, our program provides everything you need to succeed.

You will learn everything from the basics to advanced concepts of the 5G PHY. Our step-by-step explanations and simple visualizations make even the most complex topics easy to understand. By the end of the training, you will have a solid understanding of 5G signals and channels, enabling you to build, optimize, and innovate in RAN networks confidently.

Our training stands out for its logical structure, expert guidance, and industry relevance. If you are ready to transform your career, gain in-demand skills, and lead the future of wireless communication, this is the perfect place to start.

Below are the detailed topics covered:

---

3GPP Standards, RAN, and Design of Physical Layer

• Grasp the significance of the 3rd Generation Partnership Project (3GPP) in defining 5G technology.
• What are the different meetings organized by 3gpp, who can participate, and how.
• Who defines 5G? Who writes rules for 5G? How is the 3gpp specification written?
• What are TDocs? Where to locate them?
• What is the Physical Layer? What are the different channels in the Physical Layer? Why do we need to have all those channels and signals? What is their role?
  

---

Essential Modules of 5G Physical Layer

• CRC: what are the different Cyclic Redundancy Checks in 5G PHY? How are they different?
• What are the different channel coding techniques used in 5G? Why do we use LDPC in data channels and Polar for control? What is reed muller channel coding?
• What is rate matching anyway? How different is rate matching for Polar and LDPC? What are puncturing, shortening, and repetition operations in rate matching, and why do they exist? What is LBRM (Limited Buffer Rate Matching)?
• What are RVs (Redundancy Versions) and bit selection?
• M-sequence, PN-sequence, and Zad-off chu sequence. What are the fundamental differences in PN & Zad-off chu sequences?
• Why do we do scrambling operations, and how?
• What are the different modulation techniques, and what difference do they make in performance and throughput?
• What is OFDM anyway? How is OFDM modulation defined in 5G for PRACH and other channels? Understanding the OFDM generation formula parameter by parameter.
• What is Cyclic Prefix? Why do we use it? How does it impact the system’s performance? Why do we have extended and normal cyclic prefixes?
• 5G keywords: numerology, slot, frame, subframes, OFDM symbols, resource grid, reference point A, common resource blocks, BWP (Band Width Part).
• Fundamentals of multiple antennas and beamforming. How can the alignment of antennas change the beam? What are the different ways to configure antennas? Concept of MIMO.
• DMRS (Demodulation Reference Signal). What is the role of DMRS? Why are there different configurations of DMRS? How do channel estimation and equalization using DMRS?
  

---

Synchronization Signal Burst (SSBurst)

• Learn the structure and purpose of synchronization signals (PSS, SSS) and PBCH in facilitating initial access and mobility.
• Analyse PBCH demodulation techniques and design considerations for receiver algorithms.
• Understand the end-to-end chain of complete SSBurst from the MIB bits from L2 to resource mapping and the receiver chain.
  

---

Physical Downlink Control Channel (PDCCH)

• Understand the PDCCH transmitter chain from CRC to resource mapping with every module in between. What are aggregation levels, and how do they impact the overall system.
• What is CORESET? How is it configured?
• Search space and its importance. How is search space different from CORESET? How do you configure search space?
• What are the different DCIs in 5G? What are the fallback and non-fallback DCIs? How do you decide which DCI to use?
• Complete receiver chain of PDCCH.
• Understanding of blind decoding of PDCCH control information by example.
• Learn how UE multiplexing is handled in the PDCCH.
  

---

Physical Downlink/Uplink Shared Channel (PDSCH & PUSCH)

• Complete physical layer processing of shared channels.
• Resource allocation of PDSCH or PUSCH in time and frequency. Why different types of allocations? How do you decide which allocation to use?
• MCS tables? What are they? Why are there 3 tables? What does spectral efficiency mean?
• How do we calculate the Transport Block (TB) size?
• Basic to advance of multiple antenna systems. Precoding for MIMO. Spatial multiplexing.
• SU-MIMO and MU-MIMO.
• DMRS is for shared channels and their complexity. Why are there different types of allocations for DMRS? Why 2 configuration types? What are CDM groups in DMRS configuration?
• How do you frequency multiplex multiple UEs for PDSCH/PUSCH? What is codebook/ non-codebook-based MIMO for PUSCH?
  

---

Channel State Information Reference Signal (CSI-RS)

• Understand how CSI-RS aids in channel estimation, optimization, and beam management.
• Generation of CSI-RS reference signals with examples.
• Learn about CSI-RS CDM group concepts, ZP, and NZP CSI-RS.
• Explore how CSI-IM is used for Interference management. What is CQI, RI, and PMI?
  

---

Physical Uplink Control Channel (PUCCH)

• What does PUCCH carry in 5G? What are the different PUCCH formats? What are short and long PUCCH formats?
• PUCCH Format 0: Signal generation, resource mapping, receiver design, and how multiple UEs are multiplexed.
• PUCCH Format 1: DMRS generation and mapping, signal generation and resource mapping for data, receiver design, and how multiple UEs are multiplexed.
• What is the bit processing part for PUCCH Format 2, 3, and 4. What are CSI part 1 and CSI part 2?
• PUCCH Format 2: Signal generation, resource mapping, receiver.
• PUCCH Format 3 & 4: DMRS generation and mapping, signal generation and resource mapping for data, receiver design, and how multiple UEs are multiplexed.
  

---

Physical Random Access Channel (PRACH)

• What does PRACH do? When does UE send PRACH? Why do we need it?
• How do you generate PRACH signals? Complexity in resource mapping of PRACH with other data signals.
• Concept of cyclic shift, restricted sets, and how timing offset is calculated from PRACH.
• Explore short and long PRACH formats and their role in initial and random access procedures.
• Understand the receiver design for PRACH signal detection.
  

---

Sounding Reference Signal (SRS)

• Understand the significance of SRS in uplink channel sounding and its role in beamforming, UL MIMO, and DL MIMO optimization.
• Understand the codebook and non-codebook-based MIMO with SRS.
• SRS signal generation is done step by step, and receiver processing is done at gNB.
• What are TDD reciprocity and antenna switching concepts?
  

---

Phase Tracking Reference Signal (PTRS)

• What is phase noise? Where does it come from?
• Explore the impact of phase noise in 5G systems and how PTRS compensates for it.
• How are the PTRS signals generated in DL and UL?
• How do we estimate the phase noise at the receiver end?
  

---

Hybrid Automatic Repeat reQuest (HARQ)

• What is the HARQ concept? How does HARQ impact the data transmission in DL or UL?
• What is CBG-based transmission?
• What are HARQ codebooks for PDSCH?
  

---

Additional Topics

•  Operating bands in 5G-NR. What are the different bandwidth options? What are SUL (supplementary uplink) or SDL (supplementary downlink) bands?
• RSRP (Reference Signal Received Power). How to calculate RSRP by hand? What does RSRP indicate?
• RSRQ (Reference Signal Received Quality). What is the RSRQ calculation? How do we understand RSRQ values? How different are they from RSRP?
• What are the sampling rates in 5G? How do we calculate them?
• ARFCN (Absolute Radio-Frequency Channel Number) and GSCN (Global Synchronization Channel Number). What are they? How are they defined? How are these numbers translated to frequencies?
• What are the different TDD slot structures? How do they impact the throughput? Why do countries need to have the same TDD structure? What is TDD switching? Why is there no switching delay between UL and DL, but is it there in DL and UL?
• How can 5G throughput be quickly calculated by hand? How do we calculate the exact throughput? How do we consider the complete control overhead?
• What is PAPR (Peak to Average Power Ratio)? How does it impact the system performance, specifically radios? How to calculate the PAPR for a signal by hand? Why is PAPR high for OFDM?
  

---

This training will give you a holistic understanding of the 5G Physical Layer, enabling you to design, optimize, and innovate in this cutting-edge domain.

Who this program is for

• 3G/4G/5G Engineers working in the testing field and wants to be a developer
• 4G/5G Engineer working in the L2/MAC field and wants to be a MAC expert
• 4G/5G Physical Layer Engineer who wants to build an in-depth understanding
• 4G/5G Radio Network Optimization Engineers
• Graduating students who are looking for jobs in the 4G/5G/6G field
• Freshers who want to switch their jobs to core 4G/5G/6G field

Registration process

• https://www.udemy.com/course/5g-phy-training/?referralCode=9019ACCF16879320ACA8
• Discount code: “5GPHY-MONTH–YEAR” (use only current month and year)
• Example: 5GPHY-DEC-24, 5GPHY-JAN-25, 5GPHY-FEB-25.