Method for determining format of control signaling, indication method, and device
This application discloses a method for determining a format of control signaling, an indication method, and a device, and relates to the field of communication technologies. The method includes: obtaining indication information of control signaling, where the indication information is used for indicating a format of the control signaling.
1 . A method for determining a format of control signaling, comprising:
obtaining indication information of control signaling, wherein the indication information is used for indicating a format of the control signaling,
wherein the control signaling dynamically carries the indication information, and in a case that a preset condition is met, the control signaling carries the indication information, and in a case that the preset condition is not met, the control signaling does not carry the indication information, and
wherein the preset condition comprises at least one of the following:
in monitored control signaling, a quantity of pieces of control signaling with different first sizes is greater than a preset value;
in a plurality of pieces of monitored control signaling, there are at least two pieces of control signaling with a same scrambling code; or
in a plurality of pieces of monitored control signaling, there are at least two pieces of control signaling whose control channel elements (CCE) overlap.
2 . The method according to claim 1 , wherein the indication information is information in a first information domain of the control signaling, wherein the first information domain is dedicatedly used for indicating the format of the control signaling.
3 . The method according to claim 1 , wherein before the obtaining indication information of control signaling, the method further comprises:
receiving configuration information sent by a network-side device, wherein the configuration information is used for indicating whether the indication information exists in the control signaling.
4 . The method according to claim 1 , wherein a size of the indication information is configured by a network-side device; or
corresponds to a quantity of formats of the control signaling monitored by a user-side device; or
corresponds to a quantity of formats of the control signaling comprising the indication information.
5 . The method according to claim 1 , wherein each code point corresponds to the format of the control signaling in the indication information; or
a value of the indication information corresponds to the format of the control signaling.
6 . The method according to claim 1 , wherein the indication information and information about a preset domain are jointly encoded.
7 . The method according to claim 2 , wherein the first information domain is located at a preset location in the control signaling, and the preset location is:
a start location; or
an end location; or
a location before or after a target domain.
8 . A method for indicating a format of control signaling, comprising:
sending control signaling, wherein the control signaling comprises indication information, and the indication information is used for indicating a format of the control signaling,
wherein the control signaling dynamically carries the indication information, and in a case that a preset condition is met, the control signaling carries the indication information, and in a case that the preset condition is not met, the control signaling does not carry the indication information, and
wherein the preset condition comprises at least one of the following:
in monitored control signaling, a quantity of pieces of control signaling with different first sizes is greater than a preset value;
in a plurality of pieces of monitored control signaling, there are at least two pieces of control signaling with a same scrambling code; or
in a plurality of pieces of monitored control signaling, there are at least two pieces of control signaling whose control channel elements (CCE) overlap.
9 . The method according to claim 8 , wherein the indication information is information in a first information domain of the control signaling, wherein the first information domain is dedicatedly used for indicating the format of the control signaling.
10 . The method according to claim 8 , wherein before the sending control signaling, the method further comprises:
sending configuration information, wherein the configuration information is used for indicating whether the indication information exists in the control signaling.
11 . The method according to claim 8 , wherein a size of the indication information is configured by a network-side device; or
corresponds to a quantity of formats of the control signaling monitored by a user-side device; or
corresponds to a quantity of formats of the control signaling comprising the indication information.
12 . The method according to claim 8 , wherein each code point corresponds to the format of the control signaling in the indication information; or
a value of the indication information corresponds to the format of the control signaling.
13 . The method according to claim 8 , wherein the indication information and information about a preset domain are jointly encoded.
14 . The method according to claim 9 , wherein the first information domain is located at a preset location in the control signaling, and the preset location is:
a start location; or
an end location; or
a location before or after a target domain.
15 . An electronic device, comprising:
a processor and;
a memory storing a program or instruction that is executable on the processor, wherein the program or instruction, when executed by the processor, causes the electronic device to:
obtain indication information of control signaling, wherein the indication information is used for indicating a format of the control signaling,
wherein the control signaling dynamically carries the indication information, and in a case that a preset condition is met, the control signaling carries the indication information, and in a case that the preset condition is not met, the control signaling does not carry the indication information, and
wherein the preset condition comprises at least one of the following:
in monitored control signaling, a quantity of pieces of control signaling with different first sizes is greater than a preset value;
in a plurality of pieces of monitored control signaling, there are at least two pieces of control signaling with a same scrambling code; or
in a plurality of pieces of monitored control signaling, there are at least two pieces of control signaling whose control channel elements (CCE) overlap.
16 . The electronic device according to claim 15 , wherein before obtaining indication information of control signaling, the program or instruction, when executed by the processor, further causes the electronic device to:
receive configuration information sent by a network-side device, wherein the configuration information is used for indicating whether the indication information exists in the control signaling.
17 . An electronic device, comprising:
a processor and;
a memory storing a program or instruction that is executable on the processor, wherein the program or instruction, when executed by the processor, causes the electronic device to perform the method for indicating a format of control signaling according to claim 9 .
18 . The electronic device according to claim 17 , wherein before sending control signaling, the program or instruction, when executed by the processor, further causes the electronic device to:
send configuration information, wherein the configuration information is used for indicating whether the indication information exists in the control signaling.