Signal transmission power adjustment in a wireless device
Wireless communications are described. A wireless device may determine a first transmission power for a first signal and a second transmission power for a second signal. The wireless device may reduce signal transmission power of one or more of the first signal or the second signal, based on a calculated power value exceeding an allowable transmission power. The wireless device may reduce the signal transmission power during an overlap period or a non-overlap period, based on a duration of an overlap of the first signal with the second signal.
1. A method comprising:
determining, by a wireless device, a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device;
determining a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period;
determining that a calculated power value, comprising the first transmission power and the second transmission power, exceeds an allowable transmission power;
reducing transmission power of one or more of the first signal or the second signal during the overlap period; and
based on the overlap period exceeding a duration threshold, reducing transmission power of the one or more of the first signal or the second signal during a non-overlap period.
2. The method of claim 1 , further comprising:
based on the overlap period exceeding a second duration, reducing signal transmission power of one or more of:
the first signal during a first portion of the non-overlap period, or
the second signal during a second portion of the non-overlap period.
3. The method of claim 1 , wherein the first cell is associated with a first cell group and the second cell is associated with a second cell group.
4. The method of claim 1 , wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a calculated total transmission power for one or more scheduled transmissions.
5. The method of claim 1 , further comprising:
transmitting the first signal via a physical uplink control channel (PUCCH); and
transmitting the second signal via a physical uplink shared channel (PUSCH).
6. The method of claim 1 , further comprising:
transmitting the first signal via a physical uplink shared channel (PUSCH); and
transmitting the second signal via the PUSCH.
7. The method of claim 1 , wherein the one or more of the first signal or the second signal comprises a random access preamble.
8. The method of claim 1 , wherein the non-overlap period is greater than the overlap period.
9. The method of claim 1 , wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a total transmission power of the wireless device.
10. The method of claim 1 , wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal.
11. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
determine a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device;
determine a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period;
determine that a calculated power value, comprising the first transmission power and the second transmission power, exceeds an allowable transmission power;
reduce transmission power of one or more of the first signal or the second signal during the overlap period; and
based on the overlap period exceeding a duration threshold, reduce transmission power of the one or more of the first signal or the second signal during a non-overlap period.
12. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
based on the overlap period exceeding a second duration, reduce signal transmission power of one or more of:
the first signal during a first portion of the non-overlap period, or
the second signal during a second portion of the non-overlap period.
13. The wireless device of claim 11 , wherein the first cell is associated with a first cell group and the second cell is associated with a second cell group.
14. The wireless device of claim 11 , wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a calculated total transmission power for one or more scheduled transmissions.
15. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
transmit the first signal via a physical uplink control channel (PUCCH); and
transmit the second signal via a physical uplink shared channel (PUSCH).
16. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
transmit the first signal via a physical uplink shared channel (PUSCH); and
transmit the second signal via the PUSCH.
17. The wireless device of claim 11 , wherein the one or more of the first signal or the second signal comprises a random access preamble.
18. The wireless device of claim 11 , wherein the non-overlap period is greater than the overlap period.
19. The wireless device of claim 11 , wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a total transmission power of the wireless device.
20. The wireless device of claim 11 , wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal.
21. A method comprising:
determining, by a wireless device, a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device;
determining a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; and
based on a calculated power value, comprising the first transmission power and the second transmission power, exceeding an allowable transmission power and based on the overlap period exceeding a duration threshold:
reducing transmission power of one or more of the first signal or the second signal during the overlap period and during a non-overlap period.
22. The method of claim 21 , further comprising:
based on the overlap period exceeding a second duration, reducing signal transmission power of one or more of:
the first signal during a first portion of the non-overlap period, or
the second signal during a second portion of the non-overlap period.
23. The method of claim 21 , wherein the first cell is associated with a first cell group and the second cell is associated with a second cell group.
24. The method of claim 21 , wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a calculated total transmission power for one or more scheduled transmissions.
25. The method of claim 21 , further comprising:
transmitting the first signal via a physical uplink control channel (PUCCH); and
transmitting the second signal via a physical uplink shared channel (PUSCH).
26. The method of claim 21 , further comprising:
transmitting the first signal via a physical uplink shared channel (PUSCH); and
transmitting the second signal via the PUSCH.
27. The method of claim 21 , wherein the one or more of the first signal or the second signal comprises a random access preamble.
28. The method of claim 21 , wherein the non-overlap period is greater than the overlap period.
29. The method of claim 21 , wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a total transmission power of the wireless device.
30. The method of claim 21 , wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal.
31. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
determine first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device;
determine a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; and
based on a calculated power value, comprising the first transmission power and the second transmission power, exceeding an allowable transmission power and based on the overlap period exceeding a duration threshold:
reduce transmission power of one or more of the first signal or the second signal during the overlap period and during a non-overlap period.
32. The wireless device of claim 31 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
based on the overlap period exceeding a second duration, reduce signal transmission power of one or more of:
the first signal during a first portion of the non-overlap period, or
the second signal during a second portion of the non-overlap period.
33. The wireless device of claim 31 , wherein the first cell is associated with a first cell group and the second cell is associated with a second cell group.
34. The wireless device of claim 31 , wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a calculated total transmission power for one or more scheduled transmissions.
35. The wireless device of claim 31 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
transmit the first signal via a physical uplink control channel (PUCCH); and
transmit the second signal via a physical uplink shared channel (PUSCH).
36. The wireless device of claim 31 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
transmit the first signal via a physical uplink shared channel (PUSCH); and
transmit the second signal via the PUSCH.
37. The wireless device of claim 31 , wherein the one or more of the first signal or the second signal comprises a random access preamble.
38. The wireless device of claim 31 , wherein the non-overlap period is greater than the overlap period.
39. The wireless device of claim 31 , wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a total transmission power of the wireless device.
40. The wireless device of claim 31 , wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal.
41. A non-transitory computer-readable medium storing instructions that, when executed by one or more processors of a wireless device, cause:
determining a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device;
determining a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period;
determining that a calculated power value, comprising the first transmission power and the second transmission power, exceeds an allowable transmission power;
reducing transmission power of one or more of the first signal or the second signal during the overlap period; and
based on the overlap period exceeding a duration threshold, reducing transmission power of the one or more of the first signal or the second signal during a non-overlap period.
42. The non-transitory computer-readable medium of claim 41 , wherein the instructions, when executed by the one or more processors, further cause:
based on the overlap period exceeding a second duration, reducing signal transmission power of one or more of:
the first signal during a first portion of the non-overlap period, or
the second signal during a second portion of the non-overlap period.
43. The non-transitory computer-readable medium of claim 41 , wherein the instructions, when executed by the one or more processors, further cause:
transmitting the first signal via a physical uplink control channel (PUCCH); and
transmitting the second signal via a physical uplink shared channel (PUSCH).
44. The non-transitory computer-readable medium of claim 41 , wherein the instructions, when executed by the one or more processors further cause:
transmitting the first signal via a physical uplink shared channel (PUSCH); and
transmitting the second signal via the PUSCH.
45. The non-transitory computer-readable medium of claim 41 , wherein the one or more of the first signal or the second signal comprises a random access preamble.
46. The non-transitory computer-readable medium of claim 41 , wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal.
47. A system comprising:
a base station; and
a wireless device,
wherein the base station is configured to:
send a control message associated with a first cell, and
wherein the wireless device is configured to:
receive, from the base station, the control message;
determine a first transmission power for a first signal in a first time interval associated with the first cell configured for the wireless device;
determine a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period;
determine that a calculated power value, comprising the first transmission power and the second transmission power, exceeds an allowable transmission power;
reduce transmission power of one or more of the first signal or the second signal during the overlap period; and
based on the overlap period exceeding a duration threshold, reduce transmission power of the one or more of the first signal or the second signal during a non-overlap period.
48. The system of claim 47 , wherein the wireless device is further configured to:
based on the overlap period exceeding a second duration, reduce signal transmission power of one or more of:
the first signal during a first portion of the non-overlap period, or
the second signal during a second portion of the non-overlap period.
49. The system of claim 47 , wherein the wireless device is further configured to:
transmit the first signal via a physical uplink control channel (PUCCH); and
transmit the second signal via a physical uplink shared channel (PUSCH).
50. The system of claim 47 , wherein the wireless device is further configured to:
transmit the first signal via a physical uplink shared channel (PUSCH); and
transmit the second signal via the PUSCH.
51. The system of claim 47 , wherein the one or more of the first signal or the second signal comprises a random access preamble.
52. The system of claim 47 , wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal.
53. A non-transitory computer-readable medium storing instructions that, when executed by one or more processors of a wireless device, cause:
determining a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device;
determining a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; and
based on a calculated power value, comprising the first transmission power and the second transmission power, exceeding an allowable transmission power and based on the overlap period exceeding a duration threshold:
reducing transmission power of one or more of the first signal or the second signal during the overlap period and during a non-overlap period.
54. The non-transitory computer-readable medium of claim 53 , wherein the instructions, when executed by the one or more processors, further cause:
based on the overlap period exceeding a second duration, reducing signal transmission power of one or more of:
the first signal during a first portion of the non-overlap period, or
the second signal during a second portion of the non-overlap period.
55. The non-transitory computer-readable medium of claim 53 , wherein the instructions, when executed by the one or more processors, further cause:
transmitting the first signal via a physical uplink control channel (PUCCH); and
transmitting the second signal via a physical uplink shared channel (PUSCH).
56. The non-transitory computer-readable medium of claim 53 , wherein the instructions, when executed by the one or more processors, further cause:
transmitting the first signal via a physical uplink shared channel (PUSCH); and
transmitting the second signal via the PUSCH.
57. The non-transitory computer-readable medium of claim 53 , wherein the one or more of the first signal or the second signal comprises a random access preamble.
58. The non-transitory computer-readable medium of claim 53 , wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal.
59. A system comprising:
a base station; and
a wireless device,
wherein the base station is configured to:
send a control message associated with a first cell, and
wherein the wireless device is configured to:
receive, from the base station, the control message;
determine first transmission power for a first signal in a first time interval associated with the first cell configured for the wireless device;
determine a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; and
based on a calculated power value, comprising the first transmission power and the second transmission power, exceeding an allowable transmission power and based on the overlap period exceeding a duration threshold:
reduce transmission power of one or more of the first signal or the second signal during the overlap period and during a non-overlap period.
60. The system of claim 59 , wherein the wireless device is further configured to:
based on the overlap period exceeding a second duration, reduce signal transmission power of one or more of:
the first signal during a first portion of the non-overlap period, or
the second signal during a second portion of the non-overlap period.
61. The system of claim 59 , wherein the wireless device is further configured to:
transmit the first signal via a physical uplink control channel (PUCCH); and
transmit the second signal via a physical uplink shared channel (PUSCH).
62. The system of claim 59 , wherein the wireless device is further configured to:
transmit the first signal via a physical uplink shared channel (PUSCH); and
transmit the second signal via the PUSCH.
63. The system of claim 59 , wherein the one or more of the first signal or the second signal comprises a random access preamble.
64. The system of claim 59 , wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal.