Communication method and communication apparatus

A communication apparatus, comprising a processor and a memory, wherein the memory is configured to store computer executable instructions, and the processor is configured to execute the computer executable instructions, to cause the apparatus to:

• receive first indication information from a network device, wherein the first indication information comprises M indication parameters indicating M pieces of configuration information respectively, wherein M≥1;
• obtain the M pieces of configuration information based on the M indication parameters, wherein M1 pieces of configuration information in the M pieces of configuration information are in a one-to-one correspondence with M1 indication parameters in the M indication parameters respectively, and all remaining pieces of configuration information in the M pieces of configuration information are represented by M-M1 pieces of configuration information in the M pieces of configuration information and the M-M1 pieces of configuration information are in a one-to-one correspondence with M-M1 indication parameters in the M indication parameters respectively, wherein the M1 pieces of configuration information are comprised in a first set of configuration information, and the M-M1 pieces of configuration information are comprised in a second set of configuration information, wherein M and M1 and Ma-are each a positive integer, M is larger than ML and wherein the configuration information in the first set of configuration information and the configuration information in the second set of configuration information are partially different, wherein the first set of configuration information corresponds to a first mapping type, the second set of configuration information corresponds to a second mapping type, and the first mapping type and the second mapping type are different mapping types for mapping uplink data or downlink data to time domain resources, wherein the first mapping type represents that a demodulation reference signal (DMRS) is mapped to the first symbol in a scheduled uplink data channel or the first symbol in a scheduled downlink data channel, and the second mapping type represents that a DMRS is mapped to the third symbol or the fourth symbol of a slot;
• and
• perform uplink or downlink data transmission with the network device according to one or more of the M pieces of configuration information;
• wherein an ith piece of configuration information of the M pieces of configuration information comprises information of a starting location Si and information of a quantity of time domain symbols Li that are occupied by uplink data or downlink data, and 1≤i≤M;
• wherein each of the M indication parameters is represented by an indication value, and the indication value is calculated by:
• for the ith piece of configuration information,
• the indication value is 14×(Li-1)+Si when (Li-1) is less than or equal to 7;
• or
• the indication value is 14×(14−Li+1)+(14-1−Si) when (Li-1) is greater than 7;
• and
• wherein Li is an integer greater than 0 and less than or equal to (14−Si), and Si is an integer greater than or equal to 0 and less than or equal to 13.

A communication apparatus, comprising a processor and a memory, wherein the memory is configured to store computer executable instructions, and the processor is configured to execute the computer executable instructions, to cause the apparatus to:

• determine M pieces of configuration information, comprising:
• selecting M1pieces of configuration information from a first set of configuration information, and selecting M-M1 pieces of configuration information from a second set of configuration information, wherein the first set of configuration information corresponds to a first mapping type, the second set of configuration information corresponds to a second mapping type, and the first mapping type and the second mapping type are different mapping types for mapping uplink data or downlink data to time domain resources, wherein the first mapping type represents that a demodulation reference signal (DMRS) is mapped to the first symbol in a scheduled uplink data channel or the first symbol in a scheduled downlink data channel, and the second mapping type represents that a DMRS is mapped to the third symbol or the fourth symbol of a slot, and wherein the configuration information in the first set of configuration information and the configuration information in the second set of configuration information are partially different;
• wherein M≥1, M and M1 are each a positive integer, M is larger than M1, an ith piece of configuration information in the M pieces of configuration information comprises information of a starting location Si and information of a quantity of time domain symbols Li that are occupied by uplink data or downlink data, and 1≤i≤M;
• sending first indication information to a terminal device, wherein the first indication information comprises M indication parameters indicating the M pieces of configuration information respectively;
• and
• performing uplink or downlink data transmission with the terminal device according to one or more of the M pieces of configuration information,
• wherein the M1 pieces of configuration information in the M pieces of configuration information are in a one-to-one correspondence with M1 indication parameters in the M indication parameters respectively, and all remaining pieces of configuration information in the M pieces of configuration information are represented by the M-M1 pieces of configuration information in the M pieces of configuration information and the M-M1 pieces of configuration information are in a one-to-one correspondence with M-M1 indication parameters in the M indication parameters respectively;
• wherein each of the M indication parameters is represented by an indication value, and the indication value is calculated by:
• for the ith piece of configuration information,
• the indication value is 14×(Li-1)+Si when (Li-1) is less than or equal to 7;
• or
• the indication value is 14×(14−Li+1)+(14-1−Si) when (Li-1) is greater than 7;
• and
• wherein Li is an integer greater than 0 and less than or equal to (14−Si), and Si is an integer greater than or equal to 0 and less than or equal to 13.