Radio communication method, terminal device, and network device

Abstract

Provided are a wireless communication method, a terminal device, and a network device. The method includes that: a terminal device determines a first transmission format for transmitting data to be sent; and sends the data to a network device according to the first transmission format, where the first transmission format includes at least one of the followings: a first modulation manner, a first code rate, a first TBS, a first modulation coding level, or a first PRB size. The method further includes that, the terminal device determines the first transmission format according to at least one of: pre-configured multiple transmission formats; or a bearer of the data to be sent.

1 . A wireless communication method, comprising:
 determining, by a terminal device, a first transmission format for sending data to be sent; and   sending, by the terminal device according to the first transmission format, the data to be sent to a network device,   wherein the first transmission format comprises at least one of the followings:   a first modulation manner, a first code rate, a first transport block size (TBS), a first modulation coding level, or a first physical resource block (PRB) size,   wherein determining, by the terminal device, the first transmission format for sending the data to be sent comprises:   determining, by the terminal device, the first transmission format according to at least one of: pre-configured multiple transmission formats; or a bearer of the data to be sent.   
     
     
         2 . The method of  claim 1 , wherein determining, by the terminal device, the first transmission format for sending the data to be sent comprises:
 determining, by the terminal device, the first transmission format according to the bearer of the data to be sent and a third correspondence, wherein the third correspondence is to indicate a correspondence between multiple transmission formats and multiple bearers.   
     
     
         3 . The method of  claim 1 , further comprising:
 receiving, by the terminal device, configuration information of the network device, wherein the configuration information is to indicate at least one of the followings:   the pre-configured multiple transmission formats;   the pre-configured position of the uplink available resource;   the pre-configured size of the uplink available resource; or   the pre-configured reference code rate of the uplink data.   
     
     
         4 . The method of  claim 3 , wherein receiving, by the terminal device, the configuration information of the network device comprises:
 receiving, by the terminal device, the configuration information sent by the network device via Radio Resource Control (RRC) layer signaling, Media Access Control (MAC) layer signaling or physical layer signaling.   
     
     
         5 . The method of  claim 1 , wherein the method is used in grant free transmission. 
     
     
         6 . A terminal device, comprising:
 a processor, configured to determine a first transmission format for sending data to be sent; and   a transceiver, configured to send the data to a network device according to the first transmission format,   wherein the first transmission format comprises at least one of the followings:   a first modulation manner, a first code rate, a first transport block size (TBS), a first modulation coding level, or a first physical resource block (PRB) size,   wherein the processor is further configured to:   determine the first transmission format according to at least one of: pre-configured multiple transmission formats, or a bearer of the data to be sent.   
     
     
         7 . The terminal device of  claim 6 , wherein the processor is further configured to:
 determine the first transmission format according to the bearer of the data to be sent and a third correspondence, wherein the third correspondence is to indicate a correspondence between multiple transmission formats and multiple bearers.   
     
     
         8 . The terminal device of  claim 6 , wherein the transceiver is further configured to:
 receive configuration information of the network device, wherein the configuration information is to indicate at least one of the followings:   the pre-configured multiple transmission formats;   the pre-configured position of the uplink available resource;   the pre-configured size of the uplink available resource; or   the pre-configured reference code rate of the uplink data.   
     
     
         9 . The terminal device of  claim 8 , wherein the transceiver is further configured to:
 receive the configuration information sent by the network device via Radio Resource Control (RRC) layer signaling, Media Access Control (MAC) layer signaling or physical layer signaling.   
     
     
         10 . The terminal device of  claim 6 , wherein the terminal device is used in grant free transmission. 
     
     
         11 . A network device, comprising:
 a processor, configured to determine a first transmission format for receiving data to be received; and   a transceiver, configured to receive, according to the first transmission format, the data sent by a terminal device,   wherein the first transmission format comprises at least one of the followings:   a first modulation manner, a first code rate, a first transport block size (TBS), a first modulation coding level, or a first physical resource block (PRB) size.   
     
     
         12 . The network device of  claim 11 , wherein the transceiver is further configured to:
 send configuration information, to enable a receiver to select a transmission format for transmitting uplink data, wherein the receiver comprises the terminal device, and the configuration information is to indicate at least one of the followings:   pre-configured multiple transmission formats;   a pre-configured position of an uplink available resource;   a pre-configured size of the uplink available resource; or   pre-configured reference code rate of the uplink data.   
     
     
         13 . The network device of  claim 11 , wherein the network device is used in grant free transmission.