Information transmission method and apparatus
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.
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, wherein the second parameter indicates that the antenna port index remains same for M consecutive time domain symbols, M being an integer greater than 0;
transmitting, by the 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, wherein the first parameter indicates that L consecutive time domain symbols are configured in a same manner, wherein the L consecutive time domain symbols are occupied in a same frequency domain unit by the sounding reference signal, L being an integer greater than 0; and
transmitting, by the first communication node, the sounding reference signal to the second communication node according to the signaling message, wherein the transmitting the sounding reference signal comprises:
transmitting the sounding reference signal in L consecutive time domain symbols in a first frequency domain unit; and
transmitting the sounding reference signal in L consecutive time domains symbols after hopping to a second frequency domain unit.
2. The method of claim 1 , comprising:
determining configuration values for a plurality of resources for the sounding reference signal, the plurality of resources including the resource and forming one or more resource sets.
3. The method of claim 2 , wherein the first parameter indicates that the plurality of resources occupied by the sounding reference signal is repeated periodically in time domain.
4. The method of claim 1 , wherein the signaling message further comprises a third parameter indicating a switch of the antenna port index for receiving the sounding reference signal.
5. 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, wherein the second parameter indicates that the antenna port index remains same for M consecutive time domain symbols, M being an integer greater than 0;
receiving, by the first communication node, the sounding reference signal from the second communication node according to the signaling message,
wherein the first parameter indicates that L consecutive time domain symbols are configured in a same manner, wherein the L consecutive time domain symbols are occupied in a same frequency domain unit by the sounding reference signal, L being an integer greater than 0,
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.
6. The method of claim 5 , wherein the signaling message comprises configuration values for a plurality of resources for the sounding reference signal, the plurality of resources including the resource and forming one or more resource sets.
7. The method of claim 6 , wherein the first parameter indicates that the plurality of resources occupied by the sounding reference signal is repeated periodically in time domain.
8. The method of claim 5 , comprising:
performing a switch of the antenna port index for receiving the sounding reference signal according to a third parameter in the signaling message.
9. 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, wherein the second parameter indicates that the antenna port index remains same for M consecutive time domain symbols, M being an integer greater than 0;
transmit a signaling message that comprises the plurality of parameters to a communication node, wherein the first parameter indicates that L consecutive time domain symbols are configured in a same manner, wherein the L consecutive time domain symbols are occupied in a same frequency domain unit by the sounding reference signal, L being an integer greater than 0; and
transmit the sounding reference signal to the communication node according to the signaling message, wherein the processor is configured to transmit the sounding reference signal by:
transmitting the sounding reference signal in L consecutive time domain symbols in a first frequency domain unit; and
transmitting the sounding reference signal in L consecutive time domain symbols after hopping to a second frequency domain unit.
10. The apparatus of claim 9 , wherein the processor is configured to:
determine configuration values for a plurality of resources for the sounding reference signal, the plurality of resources including the resource and forming one or more resource sets.
11. The apparatus of claim 10 , wherein the first parameter indicates that the plurality of resources occupied by the sounding reference signal is repeated periodically in time domain.
12. The apparatus of claim 9 , wherein the signaling message further comprises a third parameter indicating a switch of the antenna port index for receiving the sounding reference signal.
13. 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, wherein the second parameter indicates that the antenna port index remains same for M consecutive time domain symbols, M being an integer greater than 0;
receive the sounding reference signal according to the signaling message,
wherein the first parameter indicates that L consecutive time domain symbols are configured in a same manner, wherein the L consecutive time domain symbols are occupied in a same frequency domain unit by the sounding reference signal, L being an integer greater than 0,
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.
14. The apparatus of claim 13 , wherein the signaling message comprises configuration values for a plurality of resources for the sounding reference signal, the plurality of resources including the resource and forming one or more resource sets.
15. The apparatus of claim 14 , wherein the first parameter indicates that the plurality of resources occupied by the sounding reference signal is repeated periodically in time domain.
16. The apparatus of claim 13 , wherein the processor is configured to:
perform a switch of the antenna port index for receiving the sounding reference signal according to a third parameter in the signaling message.