Physical downlink shared channel receiving and time domain resource indicating method, device, storage medium, base station, and terminal

Abstract

Disclosed in some examples are a method for physical downlink shared channel receiving and a method for indicating its time domain resource, and a device, a storage medium, a base station, and a terminal thereof. The method for indicating the time domain resource for the physical downlink shared channel includes: determining a starting symbol position of the time domain resource for transmitting the physical downlink shared channel based on a symbol position for a front loaded demodulation reference signal; determining a row index in a preset time domain table at least based on the starting symbol position; and carrying the row index in a downlink control information, and transmitting the downlink control information to a user equipment. The technical solution of the present disclosure can achieve the flexibility in PDSCH schedule.

What is claimed is: 
     
         1 . A method for wireless communications by a network entity for indicating a time domain resource of a physical downlink shared channel, the method comprising:
 transmitting symbol position information for a front loaded demodulation reference signal on a physical broadcast channel; and   transmitting downlink control information including a row index;   wherein the row index indicates a starting symbol position and a symbol length of the time domain resource of the physical downlink shared channel in a preset time domain table,   wherein the row index in the preset time domain table corresponds to one or more starting symbol positions and corresponding symbol lengths, and   wherein the starting symbol position corresponds to a symbol position of at least one front loaded demodulation reference signal.   
     
     
         2 . The method according to  claim 1 , wherein the row index is determined based on the preset time domain table and the starting symbol position, and the one or more starting symbol positions correspond to a plurality of configurable symbol positions of the front loaded demodulation reference signal. 
     
     
         3 . The method according to  claim 1 , wherein a user equipment to which the downlink control information is transmitted is configured to detect second downlink control information within a set of control resources, and the set of control resources are configured to be time-division multiplexed with transmission resources for the physical downlink shared channel. 
     
     
         4 . The method according to  claim 3 , wherein the starting symbol position indicated by the row index is 8, and a symbol length occupied by the time domain resource is 4. 
     
     
         5 . The method according to  claim 1 , wherein the symbol position of the front loaded demodulation reference signal is configured to be mapped based on physical broadcast channel configurations. 
     
     
         6 . The method according to  claim 2 , wherein the row index is determined based on the starting symbol position and a symbol length required for the time domain resource. 
     
     
         7 . The method according to  claim 1 , wherein the one or more starting symbol positions comprise a symbol position in a second half of a slot. 
     
     
         8 . A base station comprising:
 a memory storing computer instructions executable on a processor, and   the processor, wherein the computer instructions cause the processor to:
 transmit symbol position information for a front loaded demodulation reference signal on a physical broadcast channel; and 
 transmit downlink control information including a row index; 
 wherein the row index indicates a starting symbol position and a symbol length of a time domain resource of a physical downlink shared channel in a preset time domain table, 
 wherein the row index in the preset time domain table corresponds to one or more starting symbol positions and corresponding symbol lengths, and 
 wherein the starting symbol position corresponds to a symbol position of at least one front loaded demodulation reference signal. 
   
     
     
         9 . The base station according to  claim 8 , wherein the row index is determined based on the preset time domain table and the starting symbol position, and the one or more starting symbol positions correspond to a plurality of configurable symbol positions of the front loaded demodulation reference signal. 
     
     
         10 . The base station according to  claim 8 , wherein a user equipment to which the downlink control information is transmitted is configured to detect second downlink control information within a set of control resources, and the set of control resources are configured to be time-division multiplexed with transmission resources for the physical downlink shared channel. 
     
     
         11 . The base station according to  claim 10 , wherein the starting symbol position indicated by the row index is 8, and the symbol length occupied by the time domain resource is 4. 
     
     
         12 . The base station according to  claim 8 , wherein the symbol position of the front loaded demodulation reference signal is configured to be mapped based on physical broadcast channel configurations. 
     
     
         13 . The base station according to  claim 9 , wherein
 the row index is determined based on the starting symbol position and the symbol length required for the time domain resource.   
     
     
         14 . The base station according to  claim 8 , wherein the one or more starting symbol positions comprise a symbol position in a second half of a slot. 
     
     
         15 . A non-transitory computer-readable storage medium having computer instructions stored thereon, wherein the computer instructions cause a machine to:
 transmit symbol position information for a front loaded demodulation reference signal on a physical broadcast channel; and   transmit downlink control information including a row index;   wherein the row index indicates a starting symbol position and a symbol length of a time domain resource of a physical downlink shared channel in a preset time domain table,   wherein the row index in the preset time domain table corresponds to one or more starting symbol positions and corresponding symbol lengths, and   wherein the starting symbol position corresponds to a symbol position of at least one front loaded demodulation reference signal.   
     
     
         16 . The storage medium according to  claim 15 , wherein the row index is determined based on the preset time domain table and the starting symbol position, and the one or more starting symbol positions correspond to a plurality of configurable symbol positions of the front loaded demodulation reference signal. 
     
     
         17 . The storage medium according to  claim 15 , wherein a user equipment to which the downlink control information is transmitted is configured to detect second downlink control information within a set of control resources, and the set of control resources are configured to be time-division multiplexed with transmission resources for the physical downlink shared channel. 
     
     
         18 . The storage medium according to  claim 17 , wherein the starting symbol position indicated by the row index is 8, and a symbol length occupied by the time domain resource is 4. 
     
     
         19 . The storage medium according to  claim 15 , wherein the symbol position of the front loaded demodulation reference signal is configured to be mapped based on physical broadcast channel configurations. 
     
     
         20 . The storage medium according to  claim 15 , wherein the row index is determined based on the starting symbol position and a symbol length required for the time domain resource.