1. A method in a User Equipment (UE) for low-latency communication, comprising:
transmitting Q piece(s) of indication information; and
transmitting a first reference signal and a first radio signal on a first carrier;
wherein the first radio signal carries at least one of a first bit block and first uplink control information; the first radio signal is transmitted by a first antenna port group; the first antenna port group comprises P antenna port(s), P being a positive integer; the first reference signal comprises P reference signal port(s), and the P reference signal port(s) is(are) transmitted by the P antenna port(s) respectively; the first radio signal comprises L radio sub-signals, and the L radio sub-signals occupy L time intervals respectively, the L being a positive integer greater than 1; the Q piece(s) of indication information is(are) used for determining ratios of transmit powers of the first radio signal to transmit powers of the first reference signal in Q time interval(s) respectively; the Q time interval(s) is(are) one(Q ones) of the L time intervals; and the Q is a positive integer less than or equal to the L.
2. The method according to claim 1, comprising:
transmitting a second reference signal on the first carrier;
wherein the second reference signal comprises P reference signal port(s), time domain resources occupied by the first reference signal belong to a first time interval, time domain resources occupied by the second reference signal belong to a second time interval, and the first time interval and the second time interval are two orthogonal time intervals of the L time intervals;
or, transmitting R low-latency radio signal(s) on a second carrier;
wherein time domain resources occupied by the R low-latency radio signal(s) belong to R time interval(s) respectively, and the R time interval(s) is(are) one(R ones) of the L time intervals, the R being a positive integer; the low-latency radio signal carries at least one of a low-latency bit block and low-latency uplink control information; time domain resources occupied by R radio sub-signal(s) of the L radio sub-signals belong to the R time interval(s) respectively; a transmit power of a given radio sub-signal of the R radio sub-signal(s) is a first power; a time interval occupied by the given radio sub-signal is a given time interval, and the given time interval is one of the R time interval(s); time domain resources occupied by a given low-latency radio signal of the R low-latency radio signal(s) belong to the given time interval; and a transmit power of the given low-latency radio signal is a second power;
or, the Q piece(s) of indication information is(are) all transmitted on the first carrier, and the Q piece(s) of indication information is(are) transmitted in the Q time interval(s) respectively;
or, receiving a second signaling;
wherein the second signaling is used for determining at least one of the Q time interval(s) and time-frequency resources occupied by the indication information in corresponding time intervals.
3. The method according to claim 2, wherein the first radio signal carries the first bit block in the first bit block and the first uplink control information, and the given low-latency radio signal carries the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer data channel, and the low-latency uplink control information is transmitted on a physical layer control channel; a first ideal power is less than or equal to a total residual power minus a second power, and the first power is equal to the first ideal power, or a first ideal power is greater than a total residual power minus a second power, and the first power is less than or equal to the total residual power minus the second power; the second power is a transmit power of the given low-latency radio signal when the power is not scaled, and the first ideal power is a transmit power of the given radio sub-signal when the power is not scaled; the total residual power refers to a maximum total transmit power minus a total allocated power, and the total allocated power refers to a total transmit power of the UE on other carriers than the first carrier and the second carrier in the given time interval.
4. The method according to claim 2, wherein the first radio signal carries the first uplink control information, and the given low-latency radio signal carries the low-latency bit block in the low-latency bit block and the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer control channel, and the low-latency uplink control information is transmitted on a physical layer data channel; a second ideal power is less than or equal to a total residual power minus a first power, and the second power is equal to the second ideal power; or a second ideal power is greater than a total residual power minus a first power, and the second power is less than or equal to the total residual power minus the first power; the first power is a transmit power of the given radio sub-signal when the power is not scaled, and the second ideal power is a transmit power of the given low-latency radio signal when the power is not scaled; the total residual power refers to a maximum total transmit power minus a total allocated power, and the total allocated power refers to a total transmit power of the UE on other carriers than the first carrier and the second carrier in the given time interval.
5. The method according to claim 2, wherein the first radio signal carries the first bit block in the first bit block and the first uplink control information, and the given low-latency radio signal carries the low-latency bit block in the low-latency bit block and the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer control channel, and the low-latency uplink control information is transmitted on a physical layer control channel; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer data channel, and the low-latency uplink control information is transmitted on a physical layer data channel; a sum of a first ideal power and a second ideal power is less than or equal to a total residual power, the first power is equal to the first ideal power, and the second power is equal to the second ideal power, or a sum of a first ideal power and a second ideal power is greater than a total residual power, the first power is equal to a product of the first ideal power and a scaling factor, and the second power is equal to a product of the second ideal power and the scaling factor; the first ideal power is a transmit power of the given radio sub-signal when the power is not scaled, and the second ideal power is a transmit power of the given low-latency radio signal when the power is not scaled; and the scaling factor is not less than 0 but less than or equal to 1.
6. A method in a base station for low-latency communication, comprising:
receiving Q piece(s) of indication information; and
receiving a first reference signal and a first radio signal on a first carrier;
wherein the first radio signal carries at least one of a first bit block and first uplink control information; the first radio signal is transmitted by a first antenna port group; the first antenna port group comprises P antenna port(s), P being a positive integer; the first reference signal comprises P reference signal port(s), and the P reference signal port(s) is(are) transmitted by the P antenna port(s) respectively; the first radio signal comprises L radio sub-signals, and the L radio sub-signals occupy L time intervals respectively, the L being a positive integer greater than 1; the Q piece(s) of indication information is(are) used for determining ratios of transmit powers of the first radio signal to transmit powers of the first reference signal in Q time interval(s) respectively; the Q time interval(s) is(are) one(Q ones) of the L time intervals; and the Q is a positive integer less than or equal to the L.
7. The method according to claim 6, comprising:
receiving a second reference signal on the first carrier;
wherein the second reference signal comprises P reference signal port(s), time domain resources occupied by the first reference signal belong to a first time interval, time domain resources occupied by the second reference signal belong to a second time interval, and the first time interval and the second time interval are two orthogonal time intervals of the L time intervals;
or, receiving R low-latency radio signal(s) on a second carrier;
wherein time domain resources occupied by the R low-latency radio signal(s) belong to R time interval(s) respectively, and the R time interval(s) is(are) one(R ones) of the L time intervals, the R being a positive integer; the low-latency radio signal carries at least one of a low-latency bit block and low-latency uplink control information; time domain resources occupied by R radio sub-signal(s) of the L radio sub-signals belong to the R time interval(s) respectively; a transmit power of a given radio sub-signal of the R radio sub-signal(s) is a first power; a time interval occupied by the given radio sub-signal is a given time interval, and the given time interval is one of the R time interval(s); time domain resources occupied by a given low-latency radio signal of the R low-latency radio signal(s) belong to the given time interval; and a transmit power of the given low-latency radio signal is a second power;
or, the Q piece(s) of indication information are all received on the first carrier, and the Q piece(s) of indication information is(are) transmitted in the Q time interval(s) respectively;
or, transmitting a second signaling;
wherein the second signaling is used for determining at least one of the Q time interval(s) and time-frequency resources occupied by the indication information in corresponding time intervals.
8. The method according to claim 7, wherein the first radio signal carries the first bit block in the first bit block and the first uplink control information, and the given low-latency radio signal carries the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer data channel, and the low-latency uplink control information is transmitted on a physical layer control channel; a first ideal power is less than or equal to a total residual power minus a second power, and the first power is equal to the first ideal power; or a first ideal power is greater than a total residual power minus a second power, and the first power is less than or equal to the total residual power minus the second power; the second power is a transmit power of the given low-latency radio signal when the power is not scaled, and the first ideal power is a transmit power of the given radio sub-signal when the power is not scaled; the total residual power refers to a maximum total transmit power minus a total allocated power, and the total allocated power refers to a total transmit power of the UE on other carriers than the first carrier and the second carrier in the given time interval.
9. The method according to claim 7, wherein the first radio signal carries the first uplink control information, and the given low-latency radio signal carries the low-latency bit block in the low-latency bit block and the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer control channel, and the low-latency uplink control information is transmitted on a physical layer data channel; a second ideal power is less than or equal to a total residual power minus a first power, and the second power is equal to the second ideal power; or a second ideal power is greater than a total residual power minus a first power, and the second power is less than or equal to the total residual power minus the first power; the first power is a transmit power of the given radio sub-signal when the power is not scaled, and the second ideal power is a transmit power of the given low-latency radio signal when the power is not scaled; the total residual power refers to a maximum total transmit power minus a total allocated power, and the total allocated power refers to a total transmit power of the UE on other carriers than the first carrier and the second carrier in the given time interval.
10. The method according to claim 7, wherein the first radio signal carries the first bit block in the first bit block and the first uplink control information, and the given low-latency radio signal carries the low-latency bit block in the low-latency bit block and the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer control channel, and the low-latency uplink control information is transmitted on a physical layer control channel; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer data channel, and the low-latency uplink control information is transmitted on a physical layer data channel; a sum of a first ideal power and a second ideal power is less than or equal to a total residual power, the first power is equal to the first ideal power, and the second power is equal to the second ideal power; or a sum of a first ideal power and a second ideal power is greater than a total residual power, the first power is equal to a product of the first ideal power and a scaling factor, and the second power is equal to a product of the second ideal power and the scaling factor; the first ideal power is a transmit power of the given radio sub-signal when the power is not scaled, and the second ideal power is a transmit power of the given low-latency radio signal when the power is not scaled; and the scaling factor is not less than 0 but less than or equal to 1.
11. A UE supporting low-latency communication, comprising:
a first transceiver, to transmit Q piece(s) of indication information;
a first transmitter, to transmit a first reference signal and a first radio signal on a first carrier; and
a second transmitter, to transmit R low-latency radio signal(s) on a second carrier;
wherein the first radio signal carries at least one of a first bit block and first uplink control information; the first radio signal is transmitted by a first antenna port group; the first antenna port group comprises P antenna port(s), P being a positive integer; the first reference signal comprises P reference signal port(s), and the P reference signal port(s) is(are) transmitted by the P antenna port(s) respectively; the first radio signal comprises L radio sub-signals, and the L radio sub-signals occupy L time intervals respectively, the L being a positive integer greater than 1; the Q piece(s) of indication information is(are) used for determining ratios of transmit powers of the first radio signal to transmit powers of the first reference signal in Q time interval(s) respectively; the Q time interval(s) is(are) one(Q ones) of the L time intervals; the Q is a positive integer less than or equal to the L; time domain resources occupied by the R low-latency radio signal(s) belong to R time interval(s) respectively, and the R time interval(s) is(are) one(R ones) of the L time intervals, the R being a positive integer; the low-latency radio signal carries at least one of a low-latency bit block and low-latency uplink control information; time domain resources occupied by R radio sub-signal(s) of the L radio sub-signals belong to the R time interval(s) respectively; a transmit power of a given radio sub-signal of the R radio sub-signal(s) is a first power; a time interval occupied by the given radio sub-signal is a given time interval, and the given time interval is one of the R time interval(s); time domain resources occupied by a given low-latency radio signal of the R low-latency radio signal(s) belong to the given time interval; and a transmit power of the given low-latency radio signal is a second power.
12. The UE according to claim 11, wherein
the first transmitter further transmits a second reference signal on the first carrier;
wherein the second reference signal comprises P reference signal port(s), time domain resources occupied by the first reference signal belong to a first time interval, time domain resources occupied by the second reference signal belong to a second time interval, and the first time interval and the second time interval are two orthogonal time intervals of the L time intervals;
or, the first transceiver further receives a second signaling;
wherein the second signaling is used for determining at least one of the Q time interval(s) and time-frequency resources occupied by the indication information in corresponding time intervals;
or, the Q piece(s) of indication information is(are) all transmitted on the first carrier, and the Q piece(s) of indication information is(are) transmitted in the Q time interval(s) respectively.
13. The UE according to claim 11, wherein the first radio signal carries the first bit block in the first bit block and the first uplink control information, and the given low-latency radio signal carries the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer data channel, and the low-latency uplink control information is transmitted on a physical layer control channel; a first ideal power is less than or equal to a total residual power minus a second power, and the first power is equal to the first ideal power; or a first ideal power is greater than a total residual power minus a second power, and the first power is less than or equal to the total residual power minus the second power; the second power is a transmit power of the given low-latency radio signal when the power is not scaled, and the first ideal power is a transmit power of the given radio sub-signal when the power is not scaled; the total residual power refers to a maximum total transmit power minus a total allocated power, and the total allocated power refers to a total transmit power of the UE on other carriers than the first carrier and the second carrier in the given time interval.
14. The UE according to claim 11, wherein the first radio signal carries the first uplink control information, and the given low-latency radio signal carries the low-latency bit block in the low-latency bit block and the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer control channel, and the low-latency uplink control information is transmitted on a physical layer data channel; a second ideal power is less than or equal to a total residual power minus a first power, and the second power is equal to the second ideal power; or a second ideal power is greater than a total residual power minus a first power, and the second power is less than or equal to the total residual power minus the first power; the first power is a transmit power of the given radio sub-signal when the power is not scaled, and the second ideal power is a transmit power of the given low-latency radio signal when the power is not scaled; the total residual power refers to a maximum total transmit power minus a total allocated power, and the total allocated power refers to a total transmit power of the UE on other carriers than the first carrier and the second carrier in the given time interval.
15. The UE according to claim 11, wherein the first radio signal carries the first bit block in the first bit block and the first uplink control information, and the given low-latency radio signal carries the low-latency bit block in the low-latency bit block and the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer control channel, and the low-latency uplink control information is transmitted on a physical layer control channel; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer data channel, and the low-latency uplink control information is transmitted on a physical layer data channel; a sum of a first ideal power and a second ideal power is less than or equal to a total residual power, the first power is equal to the first ideal power, and the second power is equal to the second ideal power; or a sum of a first ideal power and a second ideal power is greater than a total residual power, the first power is equal to a product of the first ideal power and a scaling factor, and the second power is equal to a product of the second ideal power and the scaling factor; the first ideal power is a transmit power of the given radio sub-signal when the power is not scaled, and the second ideal power is a transmit power of the given low-latency radio signal when the power is not scaled; and the scaling factor is not less than 0 but less than or equal to 1.
16. A base station supporting low-latency communication, comprising:
a second transceiver, to receive Q piece(s) of indication information;
a first receiver, to receive a first reference signal and a first radio signal on a first carrier; and
a second receiver, to receive R low-latency radio signal(s) on a second carrier;
wherein the first radio signal carries at least one of a first bit block and first uplink control information; the first radio signal is transmitted by a first antenna port group; the first antenna port group comprises P antenna port(s), P being a positive integer; the first reference signal comprises P reference signal port(s), and the P reference signal port(s) is(are) transmitted by the P antenna port(s) respectively; the first radio signal comprises L radio sub-signals, and the L radio sub-signals occupy L time intervals respectively, the L being a positive integer greater than 1; the Q piece(s) of indication information is(are) used for determining ratios of transmit powers of the first radio signal to transmit powers of the first reference signal in Q time interval(s) respectively; the Q time interval(s) is(are) one(Q ones) of the L time intervals; the Q is a positive integer less than or equal to the L; time domain resources occupied by the R low-latency radio signal(s) belong to R time interval(s) respectively, and the R time interval(s) is(are) one(R ones) of the L time intervals, the R being a positive integer; the low-latency radio signal carries at least one of a low-latency bit block and low-latency uplink control information; time domain resources occupied by R radio sub-signal(s) of the L radio sub-signals belong to the R time interval(s) respectively; a transmit power of a given radio sub-signal of the R radio sub-signal(s) is a first power; a time interval occupied by the given radio sub-signal is a given time interval, and the given time interval is one of the R time interval(s); time domain resources occupied by a given low-latency radio signal of the R low-latency radio signal(s) belong to the given time interval; and a transmit power of the given low-latency radio signal is a second power.
17. The base station according to claim 16, wherein
the first receiver receives a second reference signal on the first carrier;
wherein the second reference signal comprises P reference signal port(s), time domain resources occupied by the first reference signal belong to a first time interval, time domain resources occupied by the second reference signal belong to a second time interval, and the first time interval and the second time interval are two orthogonal time intervals of the L time intervals;
or, the Q piece(s) of indication information are all received on the first carrier, and the Q piece(s) of indication information is(are) transmitted in the Q time interval(s) respectively;
or, the second transceiver transmits a second signaling;
wherein the second signaling is used for determining at least one of the Q time interval(s) and time-frequency resources occupied by the indication information in corresponding time intervals.
18. The base station according to claim 16, wherein the first radio signal carries the first bit block in the first bit block and the first uplink control information, and the given low-latency radio signal carries the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer data channel, and the low-latency uplink control information is transmitted on a physical layer control channel; a first ideal power is less than or equal to a total residual power minus a second power, and the first power is equal to the first ideal power; or a first ideal power is greater than a total residual power minus a second power, and the first power is less than or equal to the total residual power minus the second power; the second power is a transmit power of the given low-latency radio signal when the power is not scaled, and the first ideal power is a transmit power of the given radio sub-signal when the power is not scaled; the total residual power refers to a maximum total transmit power minus a total allocated power, and the total allocated power refers to a total transmit power of the UE on other carriers than the first carrier and the second carrier in the given time interval.
19. The base station according to claim 16, wherein the first radio signal carries the first uplink control information, and the given low-latency radio signal carries the low-latency bit block in the low-latency bit block and the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer control channel, and the low-latency uplink control information is transmitted on a physical layer data channel; a second ideal power is less than or equal to a total residual power minus a first power, and the second power is equal to the second ideal power; or a second ideal power is greater than a total residual power minus a first power, and the second power is less than or equal to the total residual power minus the first power; the first power is a transmit power of the given radio sub-signal when the power is not scaled, and the second ideal power is a transmit power of the given low-latency radio signal when the power is not scaled; the total residual power refers to a maximum total transmit power minus a total allocated power, and the total allocated power refers to a total transmit power of the UE on other carriers than the first carrier and the second carrier in the given time interval.
20. The base station according to claim 16, wherein the first radio signal carries the first bit block in the first bit block and the first uplink control information, and the given low-latency radio signal carries the low-latency bit block in the low-latency bit block and the low-latency uplink control information; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer control channel, and the low-latency uplink control information is transmitted on a physical layer control channel; or the first radio signal carries the first uplink control information, the given low-latency radio signal carries the low-latency uplink control information, the first uplink control information is transmitted on a physical layer data channel, and the low-latency uplink control information is transmitted on a physical layer data channel; a sum of a first ideal power and a second ideal power is less than or equal to a total residual power, the first power is equal to the first ideal power, and the second power is equal to the second ideal power; or a sum of a first ideal power and a second ideal power is greater than a total residual power, the first power is equal to a product of the first ideal power and a scaling factor, and the second power is equal to a product of the second ideal power and the scaling factor; the first ideal power is a transmit power of the given radio sub-signal when the power is not scaled, and the second ideal power is a transmit power of the given low-latency radio signal when the power is not scaled; and the scaling factor is not less than 0 but less than or equal to 1.