NR

Question 1

What is refered to by numerology?

Answer 1

Subcarrier spacing and symbol length

Question 2

How many numerologies are there in LTE?

Answer 2

1

Question 3

What is the subcarrier spacing in LTE?

Answer 3

15 kHz

Question 4

How long is one radio frame?

Answer 4

10 ms

Question 5

How many subframes are there in on radio frame?

Answer 5

10

Question 6

How many slots are there in 1 radio subframe in LTE?

Answer 6

1

Question 7

How many numerologies are there in NR?

Answer 7

5

Question 8

What is CP = Cyclic Prefix?

Answer 8

CP is duplicate of symbol’s end inserted at its beginning serving as a guard for intersymbol interference.

Question 9

What is the subcarrier spacing in NR numerology 2

Answer 9

60 kHz

Question 10

How many symbols are there in one slot?

Answer 10

14

Question 11

Number of slots per subframe in numerology 0?

Answer 11

1

Question 12

Number of slots per subframe in numerology 1?

Answer 12

2

Question 13

Number of slots per subframe in numerology 2?

Answer 13

4

Question 14

Number of slots per subframe in numerology 3?

Answer 14

8

Question 15

Number of slots per subframe in numerology 4?

Answer 15

16

Question 16

Subcarrier spacing in numerology 1?

Answer 16

30 kHz

Question 17

Subcarrier spacing in numerology 2?

Answer 17

60 kHz

Question 18

Subcarrier spacing in numerology 3?

Answer 18

120 kHz

Question 19

Subcarrier spacing in numerology 4?

Answer 19

240 kHz

Question 20

Guard band formula ?

Answer 20

Gb = (BWch - (Nref *dFreq - dFreq)) / 2