Resource scheduling method and communication apparatus
A resource scheduling method and a communication apparatus are disclosed. The resource scheduling method includes: A network device determines scheduling indication information, where the scheduling indication information is used to indicate that the network device performs scheduling for one transmission unit, or the scheduling indication information is used to indicate that the network device performs scheduling for multiple transmission units. The network device sends the scheduling indication information to a terminal. In this application, when there are multiple transmission units, a manner in which the terminal simultaneously performs transmission for the multiple transmission units may be explicitly indicated. In addition, this helps reduce overheads of performing LBT by the terminal for the multiple transmission units.
1 . A resource scheduling method, comprising:
determining, by a network device, scheduling indication information, wherein the scheduling indication information indicates to schedule a plurality of transmission units, and the plurality of transmission units comprises a first transmission unit and a second transmission unit, wherein the first transmission unit and the second transmission unit are adjacent transmission units and there is a gap, indicated by the scheduling indication information, between the first transmission unit and the second transmission unit, the first transmission unit is used for transmitting a first transport block and the second transmission unit is used for transmitting a second transport block, the gap comprises at least part of a transport block; the scheduling indication information comprises a time domain resource allocation parameter, the time domain resource allocation parameter indicates first offset information and second offset information, wherein the first offset information corresponds to the first transmission unit, and the second offset information corresponds to the second transmission unit; wherein the first transmission unit is used for transmission of a first part of a third transport block, and the second transmission unit is used for transmission of a second part of the third transport block; and
sending, by the network device, the scheduling indication information to a terminal.
2 . The method according to claim 1 , wherein the scheduling indication information further indicates the terminal to perform transmission based on a scheduling indication of the network device, or the scheduling indication information further indicates the terminal to perform transmission based on a result of listen before talk (LBT).
3 . The method according to claim 1 , wherein the scheduling indication information comprises a plurality of scheduling parameters, wherein
each of the plurality of scheduling parameters comprises one value; or
at least one of the plurality of scheduling parameters comprises a plurality of values, and another parameter of the plurality of scheduling parameters other than the at least one scheduling parameter comprises one value.
4 . The method according to claim 3 , wherein the at least one scheduling parameter is one or more of the following parameters: a time domain resource allocation parameter, a frequency domain resource allocation parameter, code block group (CBG) indication information, and a start symbol parameter.
5 . The method according to claim 1 , wherein
the first transmission unit is the 1 st transmission unit in the plurality of transmission units, and the second transmission unit is another transmission unit other than the 1 st transmission unit in the plurality of transmission units; or
the first transmission unit is the last transmission unit in the plurality of transmission units, and the second transmission unit is another transmission unit other than the last transmission unit in the plurality of transmission units.
6 . The method according to claim 1 , wherein
the scheduling indication information comprises one piece of gap indication information; or
the scheduling indication information comprises a plurality of pieces of gap indication information, wherein one transmission unit corresponds to one piece of gap indication information; and
the gap indication information indicates at least one gap length.
7 . The method according to claim 1 , wherein at least one of the first transmission unit and the second transmission unit is a resource about one of: a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH).
8 . The method according to claim 1 , wherein the first offset information is different from the second offset information.
9 . The method according to claim 1 , wherein at least one of the first offset information and the second offset information is an offset relative to a time unit in which the scheduling indication information is received.
10 . The method according to claim 1 , wherein the time domain resource allocation parameter further indicates a first mapping mode and a second mapping mode, the first mapping mode corresponds to the first transmission unit and the second mapping mode corresponds to the second transmission unit.
11 . A resource scheduling method, comprising:
receiving, by a terminal, scheduling indication information from a network device, wherein the scheduling indication information indicates that a plurality of transmission units are scheduled for the terminal to perform transmission, and the plurality of transmission units comprises a first transmission unit and a second transmission unit, wherein the first transmission unit and the second transmission unit are adjacent transmission units and there is a gap, indicated by the scheduling indication information, between the first transmission unit and the second transmission unit, the first transmission unit is used for transmitting a first transport block and the second transmission unit is used for transmitting a second transport block, the gap comprises at least part of a transport block; the scheduling indication information comprises a time domain resource allocation parameter, the time domain resource allocation parameter indicates first offset information and second offset information, wherein the first offset information corresponds to the first transmission unit, and the second offset information corresponds to the second transmission unit; wherein the first transmission unit is used for transmission of a first part of a third transport block, and the second transmission unit is used for transmission of a second part of the third transport block; and
performing, by the terminal, transmission in the plurality of transmission units based on the scheduling indication information.
12 . The method according to claim 11 , wherein the scheduling indication information further indicates the terminal to perform transmission based on a scheduling indication of the network device, or the scheduling indication information further indicates the terminal to perform transmission based on a result of listen before talk (LBT).
13 . The method according to claim 11 , wherein the scheduling indication information comprises a plurality of scheduling parameters, wherein
each of the plurality of scheduling parameters comprises one value; or
at least one of the plurality of scheduling parameters comprises a plurality of values, and another parameter of the plurality of scheduling parameters other than the at least one scheduling parameter comprises one value.
14 . The method according to claim 13 , wherein the at least one scheduling parameter is one or more of the following parameters: a time domain resource allocation parameter, a frequency domain resource allocation parameter, code block group (CBG) indication information, and a start symbol parameter.
15 . The method according to claim 11 , wherein
the first transmission unit is the 1 st transmission unit in the plurality of transmission units, and the second transmission unit is another transmission unit other than the 1 st transmission unit in the plurality of transmission units; or
the first transmission unit is the last transmission unit in the plurality of transmission units, and the second transmission unit is another transmission unit other than the last transmission unit in the plurality of transmission units.
16 . The method according to claim 11 , wherein
the scheduling indication information comprises one piece of gap indication information; or
the scheduling indication information comprises a plurality of pieces of gap indication information, wherein one transmission unit corresponds to one piece of gap indication information; and
the gap indication information indicates at least one gap length.
17 . The method according to claim 11 , wherein at least one of the first transmission unit and the second transmission unit is a resource about one of: a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH).
18 . The method according to claim 11 , wherein the first offset information is different from the second offset information.
19 . The method according to claim 11 , wherein at least one of the first offset information and the second offset information is an offset relative to a time unit in which the scheduling indication information is received.
20 . The method according to claim 11 , wherein the time domain resource allocation parameter further indicates a first mapping mode and a second mapping mode, the first mapping mode corresponds to the first transmission unit and the second mapping mode corresponds to the second transmission unit.
21 . A communication apparatus, comprising:
a processor, configured to determine scheduling indication information, wherein the scheduling indication information indicates to schedule a plurality of transmission units, and the plurality of transmission units comprises a first transmission unit and a second transmission unit, wherein the first transmission unit and the second transmission unit are adjacent transmission units and there is a gap, indicated by the scheduling indication information, between the first transmission unit and the second transmission unit, the first transmission unit is used for transmitting a first transport block and the second transmission unit is used for transmitting a second transport block, the gap comprises at least part of a transport block; the scheduling indication information comprises a time domain resource allocation parameter, the time domain resource allocation parameter indicates first offset information and second offset information, wherein the first offset information corresponds to the first transmission unit, and the second offset information corresponds to the second transmission unit; wherein the first transmission unit is used for transmission of a first part of a third transport block, and the second transmission unit is used for transmission of a second part of the third transport block; and
a transceiver, configured to send the scheduling indication information to a terminal under control of the processor.
22 . The communication apparatus according to claim 21 , wherein the scheduling indication information further indicates the terminal to perform transmission based on a scheduling indication of the network device, or the scheduling indication information further indicates the terminal to perform transmission based on a result of listen before talk (LBT).
23 . The communication apparatus according to claim 21 , wherein the scheduling indication information comprises a plurality of scheduling parameters, wherein
each of the plurality of scheduling parameters comprises one value; or
at least one of the plurality of scheduling parameters comprises a plurality of values, and another parameter other than the at least one scheduling parameter comprises one value.
24 . The communication apparatus according to claim 23 , wherein the at least one scheduling parameter is one or more of the following parameters: a time domain resource allocation parameter, a frequency domain resource allocation parameter, code block group (CBG) indication information, and a start symbol parameter.
25 . The communication apparatus according to claim 21 , wherein
the first transmission unit is the 1 st transmission unit in the plurality of transmission units, and the second transmission unit is another transmission unit other than the 1 st transmission unit in the plurality of transmission units; or
the first transmission unit is the last transmission unit in the plurality of transmission units, and the second transmission unit is another transmission unit other than the last transmission unit in the plurality of transmission units.
26 . The communication apparatus according to claim 21 , wherein
the scheduling indication information comprises one piece of gap indication information; or
the scheduling indication information comprises a plurality of pieces of gap indication information, wherein one transmission unit corresponds to one piece of gap indication information, and the gap indication information indicates at least one gap length.
27 . The communication apparatus according to claim 21 , wherein at least one of the first transmission unit and the second transmission unit is a resource about one of: a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH).
28 . The communication apparatus according to claim 21 , wherein the first offset information is different from the second offset information.
29 . The communication apparatus according to claim 21 , wherein at least one of the first offset information and the second offset information is an offset relative to a time unit in which the scheduling indication information is received.
30 . The communication apparatus according to claim 21 , wherein the time domain resource allocation parameter further indicates a first mapping mode and a second mapping mode, the first mapping mode corresponds to the first transmission unit and the second mapping mode corresponds to the second transmission unit.
31 . A communication apparatus, comprising:
a transceiver, configured to receive scheduling indication information from a network device, wherein the scheduling indication information indicates that a plurality of transmission units are scheduled for the communication apparatus to perform transmission, and the plurality of transmission units comprises a first transmission unit and a second transmission unit, wherein the first transmission unit and the second transmission unit are adjacent transmission units and there is a gap, indicated by the scheduling indication information, between the first transmission unit and the second transmission unit, the first transmission unit is used for transmitting a first transport block and the second transmission unit is used for transmitting a second transport block, the gap comprises at least part of a transport block; the scheduling indication information comprises a time domain resource allocation parameter, the time domain resource allocation parameter indicates first offset information and second offset information, wherein the first offset information corresponds to the first transmission unit, and the second offset information corresponds to the second transmission unit; wherein the first transmission unit is used for transmission of a first part of a third transport block, and the second transmission unit is used for transmission of a second part of the third transport block; and
a processor, configured to perform transmission in the transmission unit or the plurality of transmission units based on the scheduling indication information.
32 . The communication apparatus according to claim 31 , wherein the scheduling indication information further indicates the communication apparatus to perform transmission based on a scheduling indication of the network device, or the scheduling indication information further indicates the communication apparatus to perform transmission based on a result of listen before talk (LBT).
33 . The communication apparatus according to claim 31 , wherein the scheduling indication information comprises a plurality of scheduling parameters, wherein
each of the plurality of scheduling parameters comprises one value; or
at least one of the plurality of scheduling parameters comprises a plurality of values, and another parameter of the plurality of scheduling parameters other than the at least one scheduling parameter comprises one value.
34 . The communication apparatus according to claim 33 , wherein the at least one scheduling parameter is one or more of the following parameters: a time domain resource allocation parameter, a frequency domain resource allocation parameter, code block group (CBG) indication information, and a start symbol parameter.
35 . The communication apparatus according to claim 31 , wherein
the first transmission unit is the 1 st transmission unit in the plurality of transmission units, and the second transmission unit is another transmission unit other than the 1 st transmission unit in the plurality of transmission units; or
the first transmission unit is the last transmission unit in the plurality of transmission units, and the second transmission unit is another transmission unit other than the last transmission unit in the plurality of transmission units.
36 . The communication apparatus according to claim 31 , wherein
the scheduling indication information comprises one piece of gap indication information; or
the scheduling indication information comprises a plurality of pieces of gap indication information, wherein one transmission unit corresponds to one piece of gap indication information, and the gap indication information indicates at least one gap length.
37 . The communication apparatus according to claim 31 , wherein at least one of the first transmission unit and the second transmission unit is a resource about one of: a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH).
38 . The communication apparatus according to claim 31 , wherein the first offset information is different from the second offset information.
39 . The communication apparatus according to claim 31 , wherein at least one of the first offset information and the second offset information is an offset relative to a time unit in which the scheduling indication information is received.
40 . The communication apparatus according to claim 31 , wherein the time domain resource allocation parameter further indicates a first mapping mode and a second mapping mode, the first mapping mode corresponds to the first transmission unit and the second mapping mode corresponds to the second transmission unit.