Signal transmission power adjustment in a wireless device
A wireless device determines a first transmission power for a first signal and a second transmission power for a second signal. When a calculated power value is more than an allowable transmission power a power control mechanism is employed. The wireless device reduces signal transmission power of a signal during an overlap period if the overlapping in time is less than a first duration. The wireless device reduces signal transmission power of a signal during at least a non-overlap period if the overlapping in time is more than a second duration.
1. A method comprising:
receiving, by a wireless device, at least one control message comprising configuration parameters of a plurality of cells, wherein the plurality of cells comprises a first cell group and a second cell group;
determining, for a first signal in a first subframe of the first cell group, a first transmission power;
determining, for a second signal in a second subframe of the second cell group, a second transmission power, wherein the first signal overlaps in time with the second signal; and
based on a calculated power value exceeding an allowable transmission power:
if the first signal overlaps in time with the second signal for less than a first duration, reducing, during an overlap period, signal transmission power of one or more of the first signal or the second signal; and
if the first signal overlaps in time with the second signal for more than a second duration, reducing signal transmission power of one or more of:
the first signal during a first non-overlap period, or
the second signal during a second non-overlap period.
2. 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).
3. 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.
4. The method of claim 1 , wherein the first signal is a random access preamble.
5. The method of claim 1 , wherein the first duration is equal to the second duration.
6. The method of claim 1 , wherein the allowable transmission power is an allowable transmission power of the wireless device.
7. 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.
8. The method of claim 1 , wherein the calculated power value is a total transmission power of the wireless device.
9. The method of claim 1 , wherein the second signal is a random access preamble.
10. 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:
receive at least one control message comprising configuration parameters of a plurality of cells, wherein the plurality of cells comprises a first cell group and a second cell group;
determine, for a first signal in a first subframe of the first cell group, a first transmission power;
determine, for a second signal in a second subframe of the second cell group, a second transmission power, wherein the first signal overlaps in time with the second signal; and
based on a calculated power value exceeding an allowable transmission power:
if the first signal overlaps in time with the second signal for less than a first duration, reduce, during an overlap period, signal transmission power of one or more of the first signal or the second signal; and
if the first signal overlaps in time with the second signal for more than a second duration, reduce signal transmission power of one or more of:
the first signal during a first non-overlap period, or
the second signal during a second non-overlap period.
11. The wireless device of claim 10 , 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).
12. The wireless device of claim 10 , 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.
13. The wireless device of claim 10 , wherein the first signal is a random access preamble.
14. The wireless device of claim 10 , wherein the second signal is a random access preamble.
15. The wireless device of claim 10 , wherein the allowable transmission power is an allowable transmission power of the wireless device.
16. The wireless device of claim 10 , 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.
17. The wireless device of claim 10 , wherein the first duration is equal to the second duration.
18. The wireless device of claim 10 , wherein the calculated power value is a total transmission power of the wireless device.
19. 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:
receive at least one control message comprising configuration parameters of a plurality of cells, wherein the plurality of cells comprises a first cell group and a second cell group;
determine, for a first signal starting in a first subframe of a cell of the first cell group, a first transmission power;
determine, for a second signal starting in a second subframe of the second cell group, a second transmission power, wherein the second signal overlaps in time with the first signal; and
based on a calculated power value exceeding an allowable transmission power:
if the first subframe and the second subframe overlap in time by less than a first duration, reduce, during an overlap period, signal transmission power of one or more of the first signal or the second signal; and
if the first subframe and the second subframe overlap in time by more than a second duration, reduce signal transmission power of one or more of:
the first signal during a first non-overlap period, or
the second signal during a second non-overlap period.
20. The wireless device of claim 19 , 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).
21. The wireless device of claim 19 , 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.
22. The wireless device of claim 19 , wherein the first signal is a random access preamble.
23. The wireless device of claim 19 , wherein the allowable transmission power is an allowable transmission power of the wireless device.
24. The wireless device of claim 19 , wherein the calculated power value is a total transmission power of the wireless device.
25. The wireless device of claim 19 , wherein the second signal is a random access preamble.
26. The wireless device of claim 19 , wherein the first duration is equal to the second duration.
27. The wireless device of claim 19 , 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.
28. A method comprising:
receiving, by a wireless device, at least one control message comprising configuration parameters of a plurality of cells, wherein the plurality of cells comprises a first cell group and a second cell group;
determining, for a first signal starting in a first subframe of a cell of the first cell group, a first transmission power;
determining, for a second signal starting in a second subframe of the second cell group, a second transmission power, wherein the second signal overlaps in time with the first signal; and
based on a calculated power value exceeding an allowable transmission power:
if the first subframe and the second subframe overlap in time by less than a first duration, reducing, during an overlap period, signal transmission power of one or more of the first signal or the second signal; and
if the first subframe and the second subframe overlap in time by more than a second duration, reducing signal transmission power of one or more of:
the first signal during a first non-overlap period, or
the second signal during a second non-overlap period.
29. The method of claim 28 , 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).
30. The method of claim 28 , further comprising:
transmitting the first signal via a physical uplink shared channel (PUSCH); and
transmitting the second signal via the PUSCH.
31. The method of claim 28 , wherein the first signal is a random access preamble.
32. The method of claim 28 , wherein the second signal is a random access preamble.
33. The method of claim 28 , wherein the allowable transmission power is an allowable transmission power of the wireless device.
34. The method of claim 28 , wherein the calculated power value is a total transmission power of the wireless device.
35. The method of claim 28 , wherein the first duration is equal to the second duration.
36. The method of claim 28 , 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.
37. A system comprising:
a base station comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors of the base station, cause the base station to:
transmit at least one control message comprising configuration parameters of a plurality of cells, wherein the plurality of cells comprises a first cell group and a second cell group; and
a wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors of the wireless device, cause the wireless device to:
receive the at least one control message;
determine, for a first signal in a first subframe of the first cell group, a first transmission power;
determine, for a second signal in a second subframe of the second cell group, a second transmission power, wherein the first signal overlaps in time with the second signal; and
based on a calculated power value exceeding an allowable transmission power:
if the first signal overlaps in time with the second signal for less than a first duration, reduce, during an overlap period, signal transmission power of one or more of the first signal or the second signal; and
if the first signal overlaps in time with the second signal for more than a second duration, reduce signal transmission power of one or more of:
the first signal during a first non-overlap period, or
the second signal during a second non-overlap period.
38. The system of claim 37 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, 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).
39. The system of claim 37 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
transmit the first signal via a physical uplink shared channel (PUSCH); and
transmit the second signal via the PUSCH.
40. The system of claim 37 , wherein the first signal is a random access preamble.
41. The system of claim 37 , wherein the second signal is a random access preamble.
42. The system of claim 37 , wherein the allowable transmission power is an allowable transmission power of the wireless device.
43. The system of claim 37 , 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.
44. The system of claim 37 , wherein the first duration is equal to the second duration.
45. The system of claim 37 , wherein the calculated power value is a total transmission power of the wireless device.
46. A system comprising:
a base station comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors of the base station, cause the base station to:
transmit at least one control message comprising configuration parameters of a plurality of cells, wherein the plurality of cells comprises a first cell group and a second cell group; and
a wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors of the wireless device, cause the wireless device to:
receive the at least one control message;
determine, for a first signal starting in a first subframe of a cell of the first cell group, a first transmission power;
determine, for a second signal starting in a second subframe of the second cell group, a second transmission power, wherein the second signal overlaps in time with the first signal; and
based on a calculated power value exceeding an allowable transmission power:
if the first subframe and the second subframe overlap in time by less than a first duration, reduce, during an overlap period, signal transmission power of one or more of the first signal or the second signal; and
if the first subframe and the second subframe overlap in time by more than a second duration, reduce signal transmission power of one or more of:
the first signal during a first non-overlap period, or
the second signal during a second non-overlap period.
47. The system of claim 46 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, 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).
48. The system of claim 46 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
transmit the first signal via a physical uplink shared channel (PUSCH); and
transmit the second signal via the PUSCH.
49. The system of claim 46 , wherein the first signal is a random access preamble.
50. The system of claim 46 , wherein the second signal is a random access preamble.
51. The system of claim 46 , wherein the allowable transmission power is an allowable transmission power of the wireless device.
52. The system of claim 46 , wherein the calculated power value is a total transmission power of the wireless device.
53. The system of claim 46 , wherein the first duration is equal to the second duration.
54. The system of claim 46 , 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.
55. A method comprising:
transmitting, by a base station, at least one control message comprising configuration parameters of a plurality of cells, wherein the plurality of cells comprises a first cell group and a second cell group;
receiving, by a wireless device, the at least one control message;
determining, for a first signal in a first subframe of the first cell group, a first transmission power;
determining, for a second signal in a second subframe of the second cell group, a second transmission power, wherein the first signal overlaps in time with the second signal; and
based on a calculated power value exceeding an allowable transmission power:
if the first signal overlaps in time with the second signal for less than a first duration, reducing, during an overlap period, signal transmission power of one or more of the first signal or the second signal; and
if the first signal overlaps in time with the second signal for more than a second duration, reducing signal transmission power of one or more of:
the first signal during a first non-overlap period, or
the second signal during a second non-overlap period.
56. The method of claim 55 , 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).
57. The method of claim 55 , further comprising:
transmitting the first signal via a physical uplink shared channel (PUSCH); and
transmitting the second signal via the PUSCH.
58. The method of claim 55 , wherein the first signal is a random access preamble.
59. The method of claim 55 , wherein the second signal is a random access preamble.
60. The method of claim 55 , wherein the allowable transmission power is an allowable transmission power of the wireless device.
61. The method of claim 55 , 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.
62. The method of claim 55 , wherein the first duration is equal to the second duration.
63. The method of claim 55 , wherein the calculated power value is a total transmission power of the wireless device.
64. A method comprising
transmitting, by a base station, at least one control message comprising configuration parameters of a plurality of cells, wherein the plurality of cells comprises a first cell group and a second cell group;
receiving, by a wireless device, the at least one control message;
determining, for a first signal starting in a first subframe of a cell of the first cell group, a first transmission power;
determining, for a second signal starting in a second subframe of the second cell group, a second transmission power, wherein the second signal overlaps in time with the first signal; and
based on a calculated power value exceeding an allowable transmission power:
if the first subframe and the second subframe overlap in time by less than a first duration, reducing, during an overlap period, signal transmission power of one or more of the first signal or the second signal; and
if the first subframe and the second subframe overlap in time by more than a second duration, reducing signal transmission power of one or more of:
the first signal during a first non-overlap period, or
the second signal during a second non-overlap period.
65. The method of claim 64 , 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).
66. The method of claim 64 , further comprising:
transmitting the first signal via a physical uplink shared channel (PUSCH); and
transmitting the second signal via the PUSCH.
67. The method of claim 64 , wherein the first signal is a random access preamble.
68. The method of claim 64 , wherein the second signal is a random access preamble.
69. The method of claim 64 , wherein the allowable transmission power is an allowable transmission power of the wireless device.
70. The method of claim 64 , wherein the calculated power value is a total transmission power of the wireless device.
71. The method of claim 64 , wherein the first duration is equal to the second duration.
72. The method of claim 64 , 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.