Control signaling transmission method and device
The present disclosure includes systems, devices, and methods that provide a control signaling transmission method. One example method includes: determining a resource subset used to transmit control signaling, where the resource subset is a part of a resource pool used to transmit the control signaling; and performing one of the following operations: determining a transmission location of the control signaling in the resource subset and sending the control signaling at the transmission location, or performing blind control signaling detection in the resource subset.
1. A method, applied to a transmit-end device in end-to-end communications, comprises:
determining a transmission resource of a control signaling in a resource subset for transmitting control signaling, wherein the resource subset belongs to a resource pool used to transmit the control signaling and data, the control signaling and the data are frequency division multiplexed in a same subframe and are continuous in frequency domain, and a transmission resource of the data is preset to be at a frequency higher than that of the transmission resource of the control signaling in the same subframe; and
sending the control signaling at the transmission resource of the control signaling, and the control signaling indicates a frequency length of the data;
sending the data at the transmission resource of the data.
2. A method, applied to a receive-end device in end-to-end communications, comprises:
determining a resource subset used to transmit control signaling based on a preset rule, wherein the resource subset belongs to a resource pool used to transmit the control signaling and data, and the preset rule comprises that the resource subset is a specified resource set; and
performing blind control signaling detection in the resource subset, the control signaling indicates a frequency length of the data;
after the control signaling is correctly received at a transmission resource of the control signaling in the resource subset, receiving the data at a transmission resource of the data;
wherein, the control signaling and the data are frequency division multiplexed in a same subframe and are continuous in frequency domain, and the transmission resource of the data is preset to be at a frequency higher than that of the transmission resource of the control signaling in the same subframe.
3. The method according to claim 2 , wherein data type indication information is indicated by at least one of the control signaling, a radio network temporary identifier (RNTI) used for the control signaling, or a scrambling code used for the control signaling, and the method further comprises:
receiving data on a resource corresponding to the data type indication information.
4. The method according to claim 1 , wherein the control signaling comprises S0, wherein S0 is an interval between a resource end location of the control signaling and a resource start location of the data in frequency domain.
5. The method according to claim 2 , wherein receiving the data comprises:
receiving the data within a resource interval between S1+1 and S1+1+L, wherein S1 is a resource end location of the control signaling.
6. The method according to claim 1 , wherein the control signaling is a scheduling assignment (SA) or a broadcast message.
7. A control signaling transmission device, wherein the device comprises:
a non-transitory memory storage comprising instructions; and
one or more hardware processors in communication with the memory storage, wherein the one or more hardware processors execute the instructions to:
determine a transmission resource of a control signaling in a resource subset for transmitting control signaling, wherein the resource subset belongs to a resource pool used to transmit the control signaling and data, the control signaling and the data are frequency division multiplexed in a same subframe and are continuous in frequency domain, and a transmission resource of the data is preset to be at a frequency higher than that of the transmission resource of the control signaling in the same subframe; and
send the control signaling at the transmission resource of the control signaling, and the control signaling indicates a frequency length of the data;
send the data at the transmission resource of the data.
8. A control signaling transmission device, wherein the device comprises:
a non-transitory memory storage comprising instructions; and
one or more hardware processors in communication with the memory storage, wherein the one or more hardware processors execute the instructions to:
determine a resource subset used to transmit control signaling based on a preset rule, wherein the resource subset belongs to a resource pool used to transmit the control signaling and data, and the preset rule comprises that the resource subset is a specified resource set; and
perform blind control signaling detection in the resource subset, the control signaling indicates a frequency length of the data;
after the control signaling is correctly received at a transmission resource of the control signaling in the resource subset, receive the data at a transmission resource of the data;
wherein, the control signaling and the data are frequency division multiplexed in a same subframe and are continuous in frequency domain, and the transmission resource of the data is preset to be at a frequency higher than that of the transmission resource of the control signaling in the same subframe.
9. The device according to claim 8 , wherein data type indication information is indicated by at least one of the control signaling, a radio network temporary identifier (RNTI) used for the control signaling, or a scrambling code used for the control signaling; and the device further comprises:
a receiver configured to receive data on a resource corresponding to the data type indication information.
10. The device according to claim 7 , wherein the control signaling comprises S0, wherein S0 is an interval between a resource end location of the control signaling and a resource start location of the data in frequency domain.
11. The device according to claim 8 , wherein the one or more hardware processors further execute the instructions to:
receive the data within a resource interval between S1+1 and S1+1+L, wherein S1 is a resource end location of the control signaling.
12. The device according to claim 7 , wherein the control signaling is a scheduling assignment (SA) or a broadcast message.
13. The method according to claim 2 , wherein the control signaling is a scheduling assignment (SA) or a broadcast message.
14. The device according to claim 8 , wherein the control signaling is a scheduling assignment (SA) or a broadcast message.