Communication method and apparatus
Communication methods and apparatuses are provided. In an example method, a terminal device receives first indication information from a network device, where the first indication information indicates a first physical uplink control channel (PUCCH) resource set; and the terminal device determines the first PUCCH resource set based on the first indication information. The first PUCCH resource set is different from a second PUCCH resource set, or the first PUCCH resource set is partially the same as a second PUCCH resource set. The first PUCCH resource set is configured for a first-type terminal device, while the second PUCCH resource set is configured for a second-type terminal device. A maximum bandwidth supported by the first-type terminal device is less than a maximum bandwidth supported by the second-type terminal device.
1 . A communication method, comprising:
receiving first indication information, wherein the first indication information indicates a first physical uplink control channel (PUCCH) resource set; and
determining the first PUCCH resource set based on the first indication information,
wherein:
the first PUCCH resource set is different from a second PUCCH resource set, or the first PUCCH resource set is the same as a second PUCCH resource set,
the first PUCCH resource set comprises at least one PUCCH resource, and the first PUCCH resource set is configured for a first-type terminal device, wherein the first-type terminal device is a reduced capability (REDCAP) terminal device,
the second PUCCH resource set comprises at least one PUCCH resource, and the second PUCCH resource set is configured for a second-type terminal device,
a maximum bandwidth supported by the first-type terminal device is less than a maximum bandwidth supported by the second-type terminal device, and
the first PUCCH resource set is located in a first initial uplink bandwidth part (BWP), and the second PUCCH resource set is located in a second initial uplink BWP, wherein the first initial uplink BWP is configured for the first-type terminal device, and the second initial uplink BWP is configured for the second-type terminal device.
2 . The method according to claim 1 , wherein the first PUCCH resource set is different from the second PUCCH resource set, and a frequency domain resource of the first PUCCH resource set does not overlap a frequency domain resource of the second PUCCH resource set.
3 . The method according to claim 1 , wherein:
a frequency domain resource of the first PUCCH resource set comprises a first frequency domain resource and a second frequency domain resource, and
a frequency domain resource of the second PUCCH resource set comprises a third frequency domain resource and a fourth frequency domain resource, and
the first frequency domain resource is contiguous to the third frequency domain resource, or the second frequency domain resource is contiguous to the fourth frequency domain resource,
wherein a location index of the first frequency domain resource is less than a location index of the second frequency domain resource, and a location index of the third frequency domain resource is less than a location index of the fourth frequency domain resource.
4 . The method according to claim 1 , wherein there is an interval of M symbols between an end location of a time domain symbol for a first frequency hopping transmission on a PUCCH resource in the first PUCCH resource set and a start location of a time domain symbol occupied by the first-type terminal device for performing a second frequency hopping transmission in the first PUCCH resource set, and M is an integer greater than 0.
5 . The method according to claim 1 , wherein:
a difference between the first-type terminal device and the second-type terminal device include at least one of the following:
a maximum bandwidth supported by the first-type terminal device is one of 50 MHz, 40 MHz, 20 MHz, 15 MHz, 10 MHz, or 5 MHz, and a maximum bandwidth supported by the second-type terminal device is 100 MHz; or
the first-type terminal device supports two receive antennas and one transmit antenna, or the first-type terminal device supports one receive antenna and one transmit antenna; and the second-type terminal device supports four receive antennas and two transmit antenna.
6 . A communication method, comprising:
determining a first physical uplink control channel (PUCCH) resource set; and
sending first indication information to a terminal device, wherein the first indication information indicates the first PUCCH resource set, wherein:
the first PUCCH resource set is different from a second PUCCH resource set, or the first PUCCH resource set is the same as a second PUCCH resource set,
the first PUCCH resource set comprises at least one PUCCH resource, and the first PUCCH resource set is configured for a first-type terminal device, wherein the first-type terminal device is a reduced capability (REDCAP) terminal device,
the second PUCCH resource set comprises at least one PUCCH resource, and the second PUCCH resource set is configured for a second-type terminal device,
a maximum bandwidth supported by the first-type terminal device is less than a maximum bandwidth supported by the second-type terminal device, and
the first PUCCH resource set is located in a first initial uplink bandwidth part (BWP), and the second PUCCH resource set is located in a second initial uplink BWP, wherein the first initial uplink BWP is configured for the first-type terminal device, and the second initial uplink BWP is configured for the second-type terminal device.
7 . The method according to claim 6 , wherein the first PUCCH resource set is different from the second PUCCH resource set, and a frequency domain resource of the first PUCCH resource set does not overlap a frequency domain resource of the second PUCCH resource set.
8 . The method according to claim 6 , wherein:
a frequency domain resource of the first PUCCH resource set comprises a first frequency domain resource and a second frequency domain resource, and
a frequency domain resource of the second PUCCH resource set comprises a third frequency domain resource and a fourth frequency domain resource, and
the first frequency domain resource is contiguous to the third frequency domain resource, or the second frequency domain resource is contiguous to the fourth frequency domain resource,
wherein a location index of the first frequency domain resource is less than a location index of the second frequency domain resource, and a location index of the third frequency domain resource is less than a location index of the fourth frequency domain resource.
9 . The method according to claim 6 , wherein there is an interval of M symbols between an end location of a time domain symbol for a first frequency hopping transmission on a PUCCH resource in the first PUCCH resource set and a start location of a time domain symbol occupied by the terminal device for performing a second frequency hopping transmission in the first PUCCH resource set, and M is an integer greater than 0.
10 . The method according to claim 6 , wherein:
a difference between the first-type terminal device and the second-type terminal device include at least one of the following:
a maximum bandwidth supported by the first-type terminal device is one of 50 MHz, 40 MHz, 20 MHz, 15 MHz, 10 MHz, or 5 MHz, and a maximum bandwidth supported by the second-type terminal device is 100 MHz; or
the first-type terminal device supports two receive antennas and one transmit antenna, or the first-type terminal device supports one receive antenna and one transmit antenna; and the second-type terminal device supports four receive antennas and two transmit antenna.
11 . An apparatus, comprising:
one or more non-transitory memory storages comprising instructions; and
one or more processors in communication with the one or more non-transitory memory storages, wherein the instructions, when executed by the one or more processors, cause the apparatus to perform operations comprising:
receiving first indication information, wherein the first indication information indicates a first physical uplink control channel (PUCCH) resource set; and
determining the first PUCCH resource set based on the first indication information, wherein:
the first PUCCH resource set is different from a second PUCCH resource set, or the first PUCCH resource set is the same as a second PUCCH resource set;
the first PUCCH resource set comprises at least one PUCCH resource, and the first PUCCH resource set is configured for a first-type terminal device, wherein the first-type terminal device is a reduced capability (REDCAP) terminal device;
the second PUCCH resource set comprises at least one PUCCH resource, and the second PUCCH resource set is configured for a second-type terminal device;
a maximum bandwidth supported by the first-type terminal device is less than a maximum bandwidth supported by the second-type terminal device; and
the first PUCCH resource set is located in a first initial uplink bandwidth part (BWP), and the second PUCCH resource set is located in a second initial uplink BWP, wherein the first initial uplink BWP is configured for the first-type terminal device, and the second initial uplink BWP is configured for the second-type terminal device.
12 . The apparatus according to claim 11 , wherein the first PUCCH resource set is different from the second PUCCH resource set, and a frequency domain resource of the first PUCCH resource set does not overlap a frequency domain resource of the second PUCCH resource set.
13 . The apparatus according to claim 11 , wherein:
a frequency domain resource of the first PUCCH resource set comprises a first frequency domain resource and a second frequency domain resource, and
a frequency domain resource of the second PUCCH resource set comprises a third frequency domain resource and a fourth frequency domain resource, and
the first frequency domain resource is contiguous to the third frequency domain resource, or the second frequency domain resource is contiguous to the fourth frequency domain resource,
wherein a location index of the first frequency domain resource is less than a location index of the second frequency domain resource, and a location index of the third frequency domain resource is less than a location index of the fourth frequency domain resource.
14 . The apparatus according to claim 11 , wherein there is an interval of M symbols between an end location of a time domain symbol for a first frequency hopping transmission on a PUCCH resource in the first PUCCH resource set and a start location of a time domain symbol occupied by the first-type terminal device for performing a second frequency hopping transmission in the first PUCCH resource set, and M is an integer greater than 0.
15 . The apparatus according to claim 11 , wherein:
a difference between the first-type terminal device and the second-type terminal device include at least one of the following:
a maximum bandwidth supported by the first-type terminal device is one of 50 MHz, 40 MHz, 20 MHz, 15 MHz, 10 MHz, or 5 MHz, and a maximum bandwidth supported by the second-type terminal device is 100 MHz; or
the first-type terminal device supports two receive antennas and one transmit antenna, or the first-type terminal device supports one receive antenna and one transmit antenna; and the second-type terminal device supports four receive antennas and two transmit antenna.
16 . An apparatus, comprising:
one or more non-transitory memory storages comprising instructions; and
one or more processors in communication with the one or more non-transitory memory storages, wherein the instructions, when executed by the one or more processors, cause the apparatus to perform operations comprising:
determining a first physical uplink control channel (PUCCH) resource set; and
sending first indication information to a terminal device, wherein the first indication information indicates the first PUCCH resource set, wherein:
the first PUCCH resource set is different from a second PUCCH resource set, or the first PUCCH resource set is the same as a second PUCCH resource set,
the first PUCCH resource set comprises at least one PUCCH resource, and the first PUCCH resource set is configured for a first-type terminal device, wherein the first-type terminal device is a reduced capability (REDCAP) terminal device,
the second PUCCH resource set comprises at least one PUCCH resource, and the second PUCCH resource set is configured for a second-type terminal device,
a maximum bandwidth supported by the first-type terminal device is less than a maximum bandwidth supported by the second-type terminal device, and
the first PUCCH resource set is located in a first initial uplink bandwidth part (BWP), and the second PUCCH resource set is located in a second initial uplink BWP, wherein the first initial uplink BWP is configured for the first-type terminal device, and the second initial uplink BWP is configured for the second-type terminal device.
17 . The apparatus according to claim 16 , wherein the first PUCCH resource set is different from the second PUCCH resource set, and a frequency domain resource of the first PUCCH resource set does not overlap a frequency domain resource of the second PUCCH resource set.
18 . The apparatus according to claim 16 , wherein:
a frequency domain resource of the first PUCCH resource set comprises a first frequency domain resource and a second frequency domain resource, and
a frequency domain resource of the second PUCCH resource set comprises a third frequency domain resource and a fourth frequency domain resource; and
the first frequency domain resource is contiguous to the third frequency domain resource, or the second frequency domain resource is contiguous to the fourth frequency domain resource,
wherein a location index of the first frequency domain resource is less than a location index of the second frequency domain resource, and a location index of the third frequency domain resource is less than a location index of the fourth frequency domain resource.
19 . The apparatus according to claim 16 , wherein there is an interval of M symbols between an end location of a time domain symbol for a first frequency hopping transmission on a PUCCH resource in the first PUCCH resource set and a start location of a time domain symbol occupied by the terminal device for performing a second frequency hopping transmission in the first PUCCH resource set, and M is an integer greater than 0.
20 . The apparatus according to claim 16 , wherein:
a difference between the first-type terminal device and the second-type terminal device include at least one of the following:
a maximum bandwidth supported by the first-type terminal device is one of 50 MHz, 40 MHz, 20 MHz, 15 MHz, 10 MHz, or 5 MHz, and a maximum bandwidth supported by the second-type terminal device is 100 MHz; or
the first-type terminal device supports two receive antennas and one transmit antenna, or the first-type terminal device supports one receive antenna and one transmit antenna; and the second-type terminal device supports four receive antennas and two transmit antenna.