Determining a number of symbols for sounding reference signal transmission
Apparatuses, methods, and systems are disclosed for determining a number of symbols for sounding reference signal transmission. One apparatus ( 200 ) includes a processor ( 202 ) that determines ( 602 ) a number of orthogonal frequency-division multiplexing symbols for sounding reference signal transmission. The apparatus ( 200 ) includes a transmitter ( 210 ) that transmits ( 604 ) an indication of the number to a base unit.
1. An apparatus comprising a user equipment, the apparatus further comprising:
a processor that determines at the user equipment a number of orthogonal frequency-division multiplexing symbols for sounding reference signal transmission; and
a transmitter that transmits an indication of the number from the user equipment to a base unit.
2. The apparatus of claim 1 , wherein the number of orthogonal frequency-division multiplexing symbols comprises 1, 2, 3, or 4.
3. The apparatus of claim 1 , wherein the number of orthogonal frequency-division multiplexing symbols corresponds to a number of sounding reference signal ports.
4. The apparatus of claim 3 , wherein, in response to the number of sounding reference signal ports being 1, the number of orthogonal frequency-division multiplexing symbols is 1.
5. The apparatus of claim 3 , wherein, in response to the number of sounding reference signal ports being 2, the number of orthogonal frequency-division multiplexing symbols is 1 or 2.
6. The apparatus of claim 3 , wherein, in response to the number of sounding reference signal ports being 4, the number of orthogonal frequency-division multiplexing symbols is 1, 2, 3, or 4.
7. A method comprising:
determining, at a user equipment, a number of orthogonal frequency-division multiplexing symbols for sounding reference signal transmission; and
transmitting, from the user equipment, an indication of the number to a base unit.
8. The method of claim 7 , wherein the number of orthogonal frequency-division multiplexing symbols comprises 1, 2, 3, or 4.
9. The method of claim 7 , wherein the number of orthogonal frequency-division multiplexing symbols corresponds to a number of sounding reference signal ports.
10. The method of claim 9 , wherein, in response to the number of sounding reference signal ports being 1, the number of orthogonal frequency-division multiplexing symbols is 1.
11. The method of claim 9 , wherein, in response to the number of sounding reference signal ports being 2, the number of orthogonal frequency-division multiplexing symbols is 1 or 2.
12. The method of claim 9 , wherein, in response to the number of sounding reference signal ports being 4, the number of orthogonal frequency-division multiplexing symbols is 1, 2, 3, or 4.
13. An apparatus comprising a base station, the apparatus further comprising:
a receiver that receives from a user equipment an indication of a number of orthogonal frequency-division multiplexing symbols for sounding reference signal transmission;
a processor that determines sounding reference signal port and resource assignments based on the indication; and
a transmitter that transmits information indicating the sounding reference signal port and resource assignments to the user equipment.
14. The apparatus of claim 13 , wherein the number of orthogonal frequency-division multiplexing symbols comprises 1, 2, 3, or 4.
15. A method comprising:
receiving, at a base station from a user equipment, an indication of a number of orthogonal frequency-division multiplexing symbols for sounding reference signal transmission;
determining, at the base station, sounding reference signal port and resource assignments based on the indication; and
transmitting, from the base station, information indicating the sounding reference signal port and resource assignments to the user equipment.
16. The method of claim 15 , wherein the number of orthogonal frequency-division multiplexing symbols comprises 1, 2, 3, or 4.
17. The method of claim 15 , wherein the number of orthogonal frequency-division multiplexing symbols corresponds to a number of sounding reference signal ports.
18. The method of claim 17 , wherein, in response to the number of sounding reference signal ports being 1, the number of orthogonal frequency-division multiplexing symbols is 1.
19. The method of claim 17 , wherein, in response to the number of sounding reference signal ports being 2, the number of orthogonal frequency-division multiplexing symbols is 1 or 2.
20. The method of claim 17 , wherein, in response to the number of sounding reference signal ports being 4, the number of orthogonal frequency-division multiplexing symbols is 1, 2, 3, or 4.