5G Wireless Standard Design Week 3 NPTEL Assignment Answers 2025
Need help with this week’s assignment? Get detailed and trusted solutions for 5G Wireless Standard Design Week 3 NPTEL Assignment Answers. Our expert-curated answers help you solve your assignments faster while deepening your conceptual clarity.
✅ Subject: Cyber Security and Privacy
📅 Week: 3
🎯 Session: NPTEL 2025 July-October
🔗 Course Link: Click Here
🔍 Reliability: Verified and expert-reviewed answers
📌 Trusted By: 5000+ Students
For complete and in-depth solutions to all weekly assignments, check out 👉 NPTEL 5G Wireless Standard Design Week 3 Assignment Answers
🚀 Stay ahead in your NPTEL journey with fresh, updated solutions every week!
NPTEL 5G Wireless Standard Design Week 3 Assignment Answers 2025
1. In 5G transceiver chain which functional block removes the NULL bits:
- CRC Addition
- Code Block Segmentation
- Rate Matching
- LDPC Decoding
Answer : See Answers
2. In PDSCH, what is the resultant bit sequence after performing Interleaving on bit sequence “100101011110” when QPSK is used for modulation.
- 100110110110
- 011110100101
- 100101110110
- 011110101001
Answer :
3. Identify the functionality below from section 5.2 of 38.211 document from 3GPP Release 15 and name the block in which this functionality is used .
c(n)=(x1(n+Nc)+x2(n+Nc))mod2
x1(n+31)=(x1(n+3)+x1(n))mod2
x2(n+31)=(x2(n+3)+x2(n+2)+x2(n+1)+x2(n))mod2
- Rate Matching
- Scrambling
- LDPC encoding
- Interleaving
Answer :
4. If a user is assigned 24 PRBs over 12 OFDM symbols in a given slot for PDSCH and with 16 QAM
Modulation. When the transport block size is 7986 then calculate the value of G.
Note: Assume that in each PRB 6RE’s are allocated for DMRS.
Answer :
5. In Question 4 if the transport block size is 9875 then calculate the size of rate matched block.
Answer :
6. Pick the Correct Order in which we perform 5G NR processing on data from left to right for PDSCH during transmission.
- LDPC coding, Scrambling, Modulation, Interleaving
- Rate matching, LDPC coding, CRC addition, Modulation
- Segmentation, LDPC coding, Rate matching, Interleaving
- CRC addition, Segmentation, Rate matching, LDPC coding
Answer : See Answers
7. If 150 PRBs are allocated over 13 OFDM symbols to transmit a PDSCH with
transport block size of 32,984 bits using 64-QAM modulation. Calculate the RV index for the 3rd
retransmission if the LDPC encoder is using base graph 1.
Note: Assume that in each PRB 6RE’s are allocated for DMRS.
Answer :
8. The number of slots per subframe in a 5G system that has a sub-carrier spacing of 30kHz.
Answer :
9. Identify the pseudo code from the standards and specify the block which denotes this functionality.
- Segmentation
- Rate matching
- LDPC encoding
- Interleaving
Answer : See Answers
