Transmit power control in multicarrier communications
Methods, apparatuses, and systems are described for wireless communications. Cells may be grouped into a plurality of cell groups. A wireless device may transmit or drop one or more of a plurality of signals.
1. A method comprising:
transmitting, by a wireless device via a first cell of a first cell group and via a plurality of symbols of a time interval, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the first cell group; and
based on a determination that the wireless device is configured with multiple cell groups and a determination that a random access preamble is configured for transmission by the wireless device via a cell of a cell group different from the first cell group, transmitting the SRS.
2. The method of claim 1 , further comprising:
receiving, by the wireless device, at least one message comprising configuration parameters of:
a plurality of cells comprising the first cell and the second cell; and
the SRS.
3. The method of claim 1 , wherein the wireless device has sufficient power to transmit the SRS overlapping in time with the packet.
4. A method comprising:
transmitting, by a wireless device via a first cell of a cell group, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the cell group; and
based on a determination that the wireless device is configured with multiple cell groups and a determination that a random access preamble is not configured for transmission via the cell group by the wireless device in one or more symbols comprising a last symbol of a time interval, transmitting the SRS.
5. The method of claim 1 , wherein the transmitting the SRS comprises transmitting the SRS after one or more of:
receiving a physical downlink control channel packet; or
receiving a radio resource control message.
6. The method of claim 1 , further comprising prioritizing the transmitting the SRS lower than:
a transmission of a random access preamble; and
the transmitting the packet.
7. The method of claim 1 , wherein the packet comprises a physical uplink control channel packet.
8. The method of claim 1 , wherein the packet comprises a physical uplink shared channel packet.
9. The method of claim 1 , wherein the scheduled transmission of the SRS partially overlaps with the packet.
10. The method of claim 1 , wherein the scheduled transmission of the SRS fully overlaps with the packet.
11. A method comprising:
transmitting, by a wireless device via a first cell of a cell group, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the cell group; and
based on the wireless device not being configured with multiple cell groups, dropping the scheduled transmission of the SRS.
12. The method of claim 11 , further comprising:
receiving, by the wireless device, at least one message comprising configuration parameters of:
a plurality of cells comprising the first cell and the second cell; and
the SRS.
13. The method of claim 11 , wherein the wireless device has sufficient power to transmit the SRS overlapping in time with the packet.
14. The method of claim 11 , wherein the dropping the SRS is further based on a determination that a random access preamble is configured for transmission in one or more symbols comprising a last symbol of a time interval.
15. The method of claim 11 , wherein the scheduled transmission of the SRS comprises a scheduled transmission of the SRS after one or more of:
receiving a physical downlink control channel packet; or
receiving a radio resource control message.
16. The method of claim 11 , further comprising prioritizing the transmitting the SRS lower than:
a transmission of a random access preamble; and
the transmitting the packet.
17. The method of claim 11 , wherein the packet comprises a physical uplink control channel packet.
18. The method of claim 11 , wherein the packet comprises a physical uplink shared channel packet.
19. The method of claim 11 , wherein the scheduled transmission of the SRS partially overlaps with the packet.
20. The method of claim 11 , wherein the scheduled transmission of the SRS fully overlaps with the packet.
21. The method of claim 11 , wherein the transmitting the packet comprises transmitting the packet via a plurality of symbols of a time interval, and wherein the plurality of symbols of the time interval comprises a last symbol of a time interval.
22. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, configure the wireless device to:
transmit, via a first cell of a first cell group and via a plurality of symbols of a time interval, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the first cell group; and
based on a determination that the wireless device is configured with multiple cell groups and a determination that a random access preamble is configured for transmission by the wireless device via a cell of a cell group different from the first cell group, transmit the SRS.
23. The wireless device of claim 22 , wherein the instructions, when executed by the one or more processors, further configure the wireless device to:
receive at least one message comprising configuration parameters of:
a plurality of cells comprising the first cell and the second cell; and
the SRS.
24. The wireless device of claim 22 , wherein the wireless device has sufficient power to transmit the SRS overlapping in time with the packet.
25. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, configure the wireless device to:
transmit, via a first cell of a cell group, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the cell group; and
based on a determination that the wireless device is configured with multiple cell groups and a determination that a random access preamble is not configured for transmission via the cell group by the wireless device in one or more symbols comprising a last symbol of a time interval, transmit the SRS.
26. The wireless device of claim 22 , wherein the instructions, when executed by the one or more processors, configure the wireless device to transmit the SRS after one or more of:
receiving a physical downlink control channel packet; or
receiving a radio resource control message.
27. The wireless device of claim 22 , wherein the instructions, when executed by the one or more processors, configure the wireless device to prioritize the transmitting the SRS lower than:
a transmission of a random access preamble; and
the transmitting the packet.
28. The wireless device of claim 22 , wherein the packet comprises a physical uplink control channel packet.
29. The wireless device of claim 22 , wherein the packet comprises a physical uplink shared channel packet.
30. The wireless device of claim 22 , wherein the scheduled transmission of the SRS partially overlaps with the packet.
31. The wireless device of claim 22 , wherein the scheduled transmission of the SRS fully overlaps with the packet.
32. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, configure the wireless device to:
transmit, via a first cell of a cell group, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the cell group; and
based on the wireless device not being configured with multiple cell groups, drop the scheduled transmission of the SRS.
33. The wireless device of claim 32 , wherein the instructions, when executed by the one or more processors, further configure the wireless device to:
receive at least one message comprising configuration parameters of:
a plurality of cells comprising the first cell and the second cell; and
the SRS.
34. The wireless device of claim 32 , wherein the wireless device has sufficient power to transmit the SRS overlapping in time with the packet.
35. The wireless device of claim 32 , wherein the instructions, when executed by the one or more processors, configure the wireless device to drop the scheduled transmission of the SRS further based on a determination that a random access preamble is configured for transmission in one or more symbols comprising a last symbol of a time interval.
36. The wireless device of claim 32 , wherein the scheduled transmission of the SRS comprises a scheduled transmission of the SRS after one or more of:
receiving a physical downlink control channel packet; or
receiving a radio resource control message.
37. The wireless device of claim 32 , wherein the instructions, when executed by the one or more processors, configure the wireless device to prioritize the transmitting the SRS lower than:
a transmission of a random access preamble; and
the transmitting the packet.
38. The wireless device of claim 32 , wherein the packet comprises a physical uplink control channel packet.
39. The wireless device of claim 32 , wherein the packet comprises a physical uplink shared channel packet.
40. The wireless device of claim 32 , wherein the scheduled transmission of the SRS partially overlaps with the packet.
41. The wireless device of claim 32 , wherein the scheduled transmission of the SRS fully overlaps with the packet.
42. The wireless device of claim 32 , wherein the instructions, when executed by the one or more processors, configure the wireless device to transmit the packet via a plurality of symbols of a time interval, wherein the plurality of symbols of the time interval comprises a last symbol of a time interval.
43. A non-transitory computer-readable medium storing instructions that, when executed, configure a wireless device to:
transmit, via a first cell of a first cell group and via a plurality of symbols of a time interval, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the first cell group; and
based on a determination that the wireless device is configured with multiple cell groups and a determination that a random access preamble is configured for transmission by the wireless device via a cell of a cell group different from the first cell group, transmit the SRS.
44. The non-transitory computer-readable medium of claim 43 , wherein the instructions, when executed, further configure the wireless device to:
receive at least one message comprising configuration parameters of:
a plurality of cells comprising the first cell and the second cell; and
the SRS.
45. A non-transitory computer-readable medium storing instructions that, when executed, configure a wireless device to:
transmit, via a first cell of a cell group, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the cell group; and
based on a determination that the wireless device is configured with multiple cell groups and a determination that a random access preamble is not configured for transmission via the cell group by the wireless device in one or more symbols comprising a last symbol of a time interval, transmit the SRS.
46. The non-transitory computer-readable medium of claim 43 , wherein the packet comprises a physical uplink control channel packet or a physical uplink shared channel packet.
47. The non-transitory computer-readable medium of claim 43 , wherein the scheduled transmission of the SRS partially overlaps with the packet.
48. The non-transitory computer-readable medium of claim 43 , wherein the scheduled transmission of the SRS fully overlaps with the packet.
49. A non-transitory computer-readable medium storing instructions that, when executed, configure a wireless device to:
transmit, via a first cell of a cell group, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the cell group; and
based on the wireless device not being configured with multiple cell groups, drop the scheduled transmission of the SRS.
50. The non-transitory computer-readable medium of claim 49 , wherein the instructions, when executed, further configure the wireless device to:
receive at least one message comprising configuration parameters of:
a plurality of cells comprising the first cell and the second cell; and
the SRS.
51. The non-transitory computer-readable medium of claim 49 , wherein the instructions, when executed, configure the wireless device to transmit the SRS further based on a determination that a random access preamble is configured for transmission in one or more symbols comprising a last symbol of a time interval.
52. The non-transitory computer-readable medium of claim 49 , wherein the packet comprises a physical uplink control channel packet or a physical uplink shared channel packet.
53. The non-transitory computer-readable medium of claim 49 , wherein the scheduled transmission of the SRS partially overlaps with the packet.
54. The non-transitory computer-readable medium of claim 49 , wherein the scheduled transmission of the SRS fully overlaps with the packet.
55. The non-transitory computer-readable medium of claim 49 , wherein the instructions, when executed, configure the wireless device to transmit the packet via a plurality of symbols of a time interval, wherein the plurality of symbols of the time interval comprises a last symbol of a time interval.
56. A system comprising:
a base station; and
a wireless device,
wherein the wireless device is configured to:
transmit, via a first cell of a first cell group and via a plurality of symbols of a time interval, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the first cell group; and
based on a determination that the wireless device is configured with multiple cell groups and a determination that a random access preamble is configured for transmission by the wireless device via a cell of a cell group different from the first cell group, transmit the SRS, and
wherein the base station is configured to receive the packet via the first cell.
57. The system of claim 56 , wherein the wireless device is further configured to:
receive at least one message comprising configuration parameters of:
a plurality of cells comprising the first cell and the second cell; and
the SRS.
58. The system of claim 56 , wherein the packet comprises a physical uplink control channel packet or a physical uplink shared channel packet.
59. The system of claim 56 , wherein the scheduled transmission of the SRS partially overlaps with the packet.
60. The system of claim 56 , wherein the scheduled transmission of the SRS fully overlaps with the packet.
61. A system comprising:
a base station; and
a wireless device,
wherein the wireless device is configured to:
transmit, via a first cell of a cell group, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the cell group; and
based on the wireless device not being configured with multiple cell groups, drop the scheduled transmission of the SRS, and
wherein the base station is configured to receive the packet via the first cell.
62. The system of claim 61 , wherein the wireless device is further configured to:
receive at least one message comprising configuration parameters of:
a plurality of cells comprising the first cell and the second cell; and
the SRS.
63. The system of claim 61 , wherein the packet comprises a physical uplink control channel packet or a physical uplink shared channel packet.
64. The system of claim 61 , wherein the scheduled transmission of the SRS partially overlaps with the packet.
65. The system of claim 61 , wherein the scheduled transmission of the SRS fully overlaps with the packet.
66. The system of claim 61 , wherein the wireless device is further configured to transmit the packet via a plurality of symbols of a time interval, wherein the plurality of symbols of the time interval comprises a last symbol of a time interval.
67. The method of claim 4 , wherein the wireless device has sufficient power to transmit the SRS overlapping in time with the packet.
68. The method of claim 4 , wherein the packet comprises a physical uplink control channel packet.
69. The method of claim 4 , wherein the packet comprises a physical uplink shared channel packet.
70. The wireless device of claim 25 , wherein the wireless device has sufficient power to transmit the SRS overlapping in time with the packet.
71. The wireless device of claim 25 , wherein the packet comprises a physical uplink control channel packet.
72. The wireless device of claim 25 , wherein the packet comprises a physical uplink shared channel packet.
73. The non-transitory computer-readable medium of claim 45 , wherein the wireless device has sufficient power to transmit the SRS overlapping in time with the packet.
74. The non-transitory computer-readable medium of claim 45 , wherein the packet comprises a physical uplink control channel packet.
75. The non-transitory computer-readable medium of claim 45 , wherein the packet comprises a physical uplink shared channel packet.
76. A system comprising:
a base station comprising:
a wireless device comprising:
wherein the wireless device is configured to:
transmit, via a first cell of a cell group, a packet overlapping in time with a scheduled transmission of a sounding reference signal (SRS) via a second cell of the cell group; and
based on a determination that the wireless device is configured with multiple cell groups and a determination that a random access preamble is not configured for transmission via the cell group by the wireless device in one or more symbols comprising a last symbol of a time interval, transmit the SRS, and
wherein the base station is configured to receive the packet via the first cell.
77. The system of claim 76 , wherein the wireless device has sufficient power to transmit the SRS overlapping in time with the packet.
78. The system of claim 76 , wherein the packet comprises a physical uplink control channel packet.
79. The system of claim 76 , wherein the packet comprises a physical uplink shared channel packet.