Information transmission method and apparatus

Abstract

Disclosed is an information transmission method. The method includes that: a first communication node determines a resource or parameter for a second communication node to transmit a reference signal, and indicates the resource or parameter to the second communication node through signaling; and the second communication node receives the signaling transmitted by the first communication node, determines the resource or parameter for transmitting the reference signal based on the signaling or based on the signaling and a rule predefined by the first communication node and the second communication node, and uses the determined resource or parameter to transmit the reference signal.

What is claimed is: 
     
         1 . A method for wireless communication, comprising:
 determining, by a first communication node, a plurality of parameters configuring a resource of a sounding reference signal, wherein the plurality of parameters comprises a first parameter indicating a time-domain behavior of the sounding reference signal for configuring the resource and a second parameter indicating an antenna port index for the resource;   transmitting, by a first communication node, a signaling message that comprises the plurality of parameters to a second communication node enabling the second communication node to receive the sounding reference signal.   
     
     
         2 . The method of  claim 1 , wherein the first parameter indicates that L consecutive time domain symbols are configured in a same manner, L being an integer greater than 0. 
     
     
         3 . The method of  claim 1 , wherein the second parameter indicates that the antenna port remains same for M consecutive time domain symbols, M being an integer greater than 0. 
     
     
         4 . The method of  claim 1 , comprising:
 determining configuration values for a plurality of resources for the sounding reference signal, the plurality resources including the resource and forming one or more resource sets.   
     
     
         5 . The method of  claim 4 , wherein the first parameter indicates that the plurality of resources occupied by the sounding reference signal is repeated periodically in the time domain. 
     
     
         6 . The method of  claim 1 , wherein the signaling message further comprises a third parameter indicating a switch of the antenna port for receiving the sounding reference signal. 
     
     
         7 . A method for wireless communication, comprising:
 receiving, by a first communication node, a signaling message from a second communication node for configuring a transmission of a sounding reference signal, wherein the signaling message comprises a plurality of parameters for configuring a resource of the sounding reference signal, the plurality of parameters comprising a first parameter indicating a time-domain behavior of the sounding reference signal for configuring the resource and a second parameter indicating an antenna port index for the resource;   receiving, by the first communication node, the sounding reference signal from the second communication node according to the signaling message.   
     
     
         8 . The method of  claim 7 , wherein the first parameter indicates that L consecutive time domain symbols are configured in a same manner, L being an integer greater than 0. 
     
     
         9 . The method of  claim 8 , wherein the L consecutive time domain symbols are occupied in a same frequency domain unit by the sounding reference signal. 
     
     
         10 . The method of  claim 9 , wherein receiving the sounding reference signal comprises:
 receiving the sounding reference signal in L consecutive time domain symbols in a first frequency domain unit; and   receiving the sounding reference signal in L consecutive time domain symbols after hopping to a second frequency domain unit.   
     
     
         11 . The method of  claim 7 , wherein the second parameter indicates that the antenna port remains same for M consecutive time domain symbols, M being an integer greater than 0. 
     
     
         12 . The method of  claim 7 , wherein the signaling message comprises configuration values for a plurality of resources for the sounding reference signal, the plurality resources including the resource and forming one or more resource sets. 
     
     
         13 . The method of  claim 12 , wherein the first parameter indicates that the plurality of resources occupied by the sounding reference signal is repeated periodically in the time domain. 
     
     
         14 . The method of  claim 7 , comprising:
 performing a switch of the antenna port for receiving the sounding reference signal according to a third parameter in the signaling message.   
     
     
         15 . An apparatus for wireless communications, comprising:
 a processor; and   a memory including processor-executable instructions stored thereon, the processor-executable instructions upon execution by the processor configures the processor to:   determine a plurality of parameters configuring a resource of a sounding reference signal, wherein the plurality of parameters comprises a first parameter indicating a time-domain behavior of the sounding reference signal for configuring the resource and a second parameter indicating an antenna port index for the resource;   transmit a signaling message that comprises the plurality of parameters.   
     
     
         16 . The apparatus of  claim 15 , wherein the first parameter indicates that L consecutive time domain symbols are configured in a same manner, L being an integer greater than 0. 
     
     
         17 . The apparatus of  claim 15 , wherein the second parameter indicates that the antenna port remains same for M consecutive time domain symbols, M being an integer greater than 0. 
     
     
         18 . The apparatus of  claim 15 , wherein the processor is configured to:
 determine configuration values for a plurality of resources for the sounding reference signal, the plurality resources including the resource and forming one or more resource sets.   
     
     
         19 . The apparatus of  claim 18 , wherein the first parameter indicates that the plurality of resources occupied by the sounding reference signal is repeated periodically in the time domain. 
     
     
         20 . The apparatus of  claim 15 , wherein the signaling message further comprises a third parameter indicating a switch of the antenna port for receiving the sounding reference signal. 
     
     
         21 . An apparatus for wireless communications, comprising:
 a processor; and   a memory including processor-executable instructions stored thereon, the processor-executable instructions upon execution by the processor configures the processor to:   receive a signaling message for configuring a transmission of a sounding reference signal, wherein the signaling message comprises a plurality of parameters for configuring a resource of the sounding reference signal, the plurality of parameters comprising a first parameter indicating a time-domain behavior of the sounding reference signal for configuring the resource and a second parameter indicating an antenna port index for the resource;   receive the sounding reference signal according to the signaling message.   
     
     
         22 . The apparatus of  claim 21 , wherein the first parameter indicates that L consecutive time domain symbols are configured in a same manner, L being an integer greater than 0. 
     
     
         23 . The apparatus of  claim 22 , wherein the L consecutive time domain symbols are occupied in a same frequency domain unit by the sounding reference signal. 
     
     
         24 . The apparatus of  claim 23 , wherein the processor is configured to:
 receive the sounding reference signal in L consecutive time domain symbols in a first frequency domain unit; and   receive the sounding reference signal in L consecutive time domain symbols after hopping to a second frequency domain unit.   
     
     
         25 . The apparatus of  claim 21 , wherein the second parameter indicates that the antenna port remains same for M consecutive time domain symbols, M being an integer greater than 0. 
     
     
         26 . The apparatus of  claim 21 , wherein the signaling message comprises configuration values for a plurality of resources for the sounding reference signal, the plurality resources including the resource and forming one or more resource sets. 
     
     
         27 . The apparatus of  claim 26 , wherein the first parameter indicates that the plurality of resources occupied by the sounding reference signal is repeated periodically in the time domain. 
     
     
         28 . The apparatus of  claim 21 , wherein the processor is configured to:
 perform a switch of the antenna port for receiving the sounding reference signal according to a third parameter in the signaling message.