5G Wireless Standard Design Nptel Week 5 Answers
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5G Wireless Standard Design Nptel Week 5 Answers (July-Dec 2025)
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Question 1. gNB needs to transmit DCI Format 1-0 with only the following fields — (a) Identifier for DCI format, (b) New Data Indicator, (c) HARQ process number, (d) PUCCH resource indicator, (e) Redundancy version, (f) Modulation and coding scheme. Provide the total length of DCI bits.
Answer: _______
Question 2. Select DCI types that contain resource information related to PDSCH
a) Format 0-0
b) Format 1-0
c) Format 0-1
d) Format 1-1
Question 3. Consider CRC bit sequence 110010101001010111000101 for a DCI and RNTI value is 28425. Calculate Scrambled CRC bits
a) 100100001111001010110110
b) 000001010011001111001010
c) 110010101111101011001100
d) 110010101100110010100000
Question 4. Maximum number of blind decoding attempts can be made by UE for DCI detection in a 5G NR system with 120 kHz subcarrier spacing
a) 20
b) 24
c) 30
d) 36
Question 5. Perform CRC Interleaving on bit sequence 101100110110010110101100100000000101. (Refer Mother interleaver pattern provided in Module 25) Provide the output bits.
Answer: _______
Question 6. Select the correct statements about Polar Encoding on downlink control information
a) Mother code rate length could be ≥ 512
b) Code rate of polar encoder should be ≥ 1/8
c) Mother code rate length should be greater than length of DCI
d) Mother code rate length should be ≤ 512
Question 7. Provide Type‑0 frequency domain resource allocation when the following Resource Block Groups are to be allocated for downlink in a BWP. Total number of RBGs present in the BWP = 13. RBG Index set = {1,3,4,7,9,10,12}
a) 1001010101011
b) 0101100101101
c) 1101001101001
d) 1110010001101
Question 8. Select the Modulation used in PDCCH (Refer 7.3.2, 38.211 Release‑15 3GPP)
a) BPSK
b) QPSK
c) 16‑QAM
d) 64‑QAM
Question 9. Select possible slot offsets of PDSCH allocation with respect to DCI
a) 1
b) 3
c) 5
d) 7
These are 5G Wireless Standard Design Nptel Week 5 Answers