METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION
The present application discloses a method and a device in a node for wireless communications. A first receiver receives first information and a first DCI, the first DCI comprising a first field; a first transmitter transmits a first bit block on a first wireless channel; herein, the first DCI is used to schedule the first wireless channel, the first field in the first DCI being used to determine one of a frequency-domain resource occupied by the first wireless channel or an MCS used by the first wireless channel; the first information is used to determine whether there is a field in the first DCI that is related to a method of indication of the first field in the first DCI and is used to determine a waveform for the first wireless channel.
1 . A first node for wireless communications, comprising:
a first receiver, receiving first information and a first DCI, the first DCI comprising a first field; and
a first transmitter, transmitting a first bit block on a first wireless channel;
wherein the first DCI is used to schedule the first wireless channel, the first field in the first DCI being used to determine one of a frequency-domain resource occupied by the first wireless channel or a Modulation and Coding Scheme (MCS) for the first wireless channel; the first information is used to determine whether there is a field in the first DCI that is related to a method of indication of the first field in the first DCI and is used to determine a waveform for the first wireless channel.
2 . The first node according to claim 1 , characterized in that the first information is used to determine whether the first DCI comprises a second field; when the first DCI comprises the second field: the second field in the first DCI is related to the method of indication of the first field in the first DCI and is used to determine the waveform for the first wireless channel.
3 . The first node according to claim 1 , characterized in that the method of indication of the first field in the first DCI comprises: whether the first field in the first DCI is used to indicate a frequency-domain resource in accordance with resource allocation type 0 or resource allocation type 1.
4 . The first node according to claim 2 , characterized in that the first field is a Frequency domain resource assignment field.
5 . The first node according to claim 4 , characterized in that when the first DCI comprises the second field and a value of the second field in the first DCI belongs to a target candidate value subset; a MSB of the first field in the first DCI is used to indicate a frequency-domain resource allocation type: a first candidate value set is a range of values of the second field, the target candidate value subset being a non-empty proper subset of the first candidate value set;
when the first DCI comprises the second field and the value of the second field in the first DCI does not belong to the target candidate value subset; a value of the MSB of the first field in the first DCI is fixed and set to 1.
6 . The first node according to claim 5 , characterized in that the second field comprises only one bit, the first candidate value set comprises 0 and 1, and the target candidate value subset only comprises 1.
7 . The first node according to claim 6 , characterized in that in a configuration signaling received by the first node, a higher layer parameter resourceAllocation is configured as dynamicSwitch.
8 . A second node for wireless communications, comprising:
a second transmitter, transmitting first information and a first DCI, the first DCI comprising a first field; and
a second receiver, receiving a first bit block on a first wireless channel;
wherein the first DCI is used to schedule the first wireless channel, the first field in the first DCI being used to determine one of a frequency-domain resource occupied by the first wireless channel or a Modulation and Coding Scheme (MCS) for the first wireless channel; the first information is used to determine whether there is a field in the first DCI that is related to a method of indication of the first field in the first DCI and is used to determine a waveform for the first wireless channel.
9 . The second node according to claim 8 , characterized in that the first information is used to determine whether the first DCI comprises a second field; when the first DCI comprises the second field: the second field in the first DCI is related to the method of indication of the first field in the first DCI and is used to determine the waveform for the first wireless channel.
10 . The second node according to claim 8 , characterized in that the method of indication of the first field in the first DCI comprises: whether the first field in the first DCI is used to indicate a frequency-domain resource in accordance with resource allocation type 0 or resource allocation type 1.
11 . The second node according to claim 9 , characterized in that the first field is a Frequency domain resource assignment field.
12 . The second node according to claim 11 , characterized in that when the first DCI comprises the second field and a value of the second field in the first DCI belongs to a target candidate value subset; a MSB of the first field in the first DCI is used to indicate a frequency-domain resource allocation type: a first candidate value set is a range of values of the second field, the target candidate value subset being a non-empty proper subset of the first candidate value set;
when the first DCI comprises the second field and the value of the second field in the first DCI does not belong to the target candidate value subset; a value of the MSB of the first field in the first DCI is fixed and set to 1.
13 . The second node according to claim 12 , characterized in that the second field comprises only one bit, the first candidate value set comprises 0 and 1, and the target candidate value subset only comprises 1.
14 . A method in a first node for wireless communications, comprising:
receiving first information and a first DCI, the first DCI comprising a first field; and
transmitting a first bit block on a first wireless channel;
wherein the first DCI is used to schedule the first wireless channel, the first field in the first DCI being used to determine one of a frequency-domain resource occupied by the first wireless channel or a Modulation and Coding Scheme (MCS) for the first wireless channel; the first information is used to determine whether there is a field in the first DCI that is related to a method of indication of the first field in the first DCI and is used to determine a waveform for the first wireless channel.
15 . The method in the first node according to claim 14 , characterized in that the first information is used to determine whether the first DCI comprises a second field; when the first DCI comprises the second field: the second field in the first DCI is related to the method of indication of the first field in the first DCI and is used to determine the waveform for the first wireless channel.
16 . The method in the first node according to claim 14 , characterized in that the method of indication of the first field in the first DCI comprises: whether the first field in the first DCI is used to indicate a frequency-domain resource in accordance with resource allocation type 0 or resource allocation type 1.
17 . The method in the first node according to claim 15 , characterized in that the first field is a Frequency domain resource assignment field.
18 . The method in the first node according to claim 17 , characterized in that when the first DCI comprises the second field and a value of the second field in the first DCI belongs to a target candidate value subset; a MSB of the first field in the first DCI is used to indicate a frequency-domain resource allocation type: a first candidate value set is a range of values of the second field, the target candidate value subset being a non-empty proper subset of the first candidate value set;
when the first DCI comprises the second field and the value of the second field in the first DCI does not belong to the target candidate value subset; a value of the MSB of the first field in the first DCI is fixed and set to 1.
19 . The method in the first node according to claim 18 , characterized in that the second field comprises only one bit, the first candidate value set comprises 0 and 1, and the target candidate value subset only comprises 1.
20 . The method in the first node according to claim 19 , characterized in that in a configuration signaling received by the first node, a higher layer parameter resourceAllocation is configured as dynamicSwitch.