Switching between uplink and sidelink

Abstract

There is provided a UE for configured to operate in a wireless system. The UE comprises: at least one transceiver; at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising: transmitting first signal which is one of UL signal or SL signal; performing switching between UL transmission and SL transmission; and transmitting second signal, which is different from the first signal, which is one of the UL signal or SL signal.

What is claimed is: 
     
         1 . A User Equipment (UE) configured to operate in a wireless system, the UE comprising:
 at least one transceiver;   at least one processor; and   at least one computer memory operably connectable to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising:   transmitting first signal which is one of Uplink (UL) signal or Sidelink (SL) signal;   performing switching between UL transmission and SL transmission; and   transmitting second signal, which is different from the first signal, which is one of the UL signal or SL signal;   wherein the UE is not expected to transmit the UL signal or receive DL signal on Uu slot n, based on that the switching is performed on the Uu slot n, and based on that the switching is performed between UL transmission and SL transmission, and   wherein the UE is not expected to transmit or receive the SL signal on sidelink slot n, based on that the switching is performed on the sidelink slot n, and based on that the switching is performed between UL transmission and SL transmission.   
     
     
         2 . The UE of  claim 1 ,
 wherein the first signal is UL signal and the second signal is SL signal, and   wherein the UE is not expected to transmit or receive the SL signal on sidelink slot n, based on that the switching is performed from UL transmission to SL transmission in the sidelink slot n.   
     
     
         3 . The UE of  claim 1 ,
 wherein the first signal is SL signal and the second signal is UL signal, and   wherein the UE is not expected to transmit or receive the SL signal on sidelink slot n−1, based on that the switching is performed from SL transmission to UL transmission in the sidelink slot n−1.   
     
     
         4 . The UE of  claim 1 ,
 wherein the first signal is SL signal and the second signal is UL signal, and   wherein the UE is not expected to transmit or receive the SL signal on sidelink slot n−1, based on that the switching is performed from SL transmission to UL transmission before UL timing advance from slot boundary near Uu slot n in the sidelink slot n−1.   
     
     
         5 . The UE of  claim 1 ,
 wherein the first signal is SL signal and the second signal is UL signal, and   wherein the UE is not expected to transmit the UL signal or receive DL signal on Uu slot n, based on that the switching is performed from SL transmission to UL transmission in the Uu slot n.   
     
     
         6 . The UE of  claim 1 ,
 wherein the first signal is UL signal and the second signal is SL signal, and   wherein the UE is not expected to transmit the UL signal or receive DL signal on Uu slot n−1, based on that the switching is performed from UL transmission to SL transmission in the Uu slot n−1.   
     
     
         7 . The UE of  claim 1 ,
 wherein the first signal is UL signal and the second signal is SL signal, and   wherein the UE is not expected to transmit the UL signal or receive DL signal on Uu slot n−1, based on that the switching is performed from UL transmission to SL transmission before SL timing advance from slot boundary near sidelink slot n in the Uu slot n−1.   
     
     
         8 . The UE of  claim 1 ,
 wherein timing advance offset for the SL transmission is same as timing advance offset for the UL transmission, based on that the SL transmission and the UL transmission are in the same band.   
     
     
         9 . A method for performing communication, the method performed by a User Equipment (UE) and comprising:
 transmitting first signal which is one of Uplink (UL) signal or Sidelink (SL) signal;   performing switching between UL transmission and SL transmission; and   transmitting second signal, which is different from the first signal, which is one of the UL signal or SL signal;   wherein the UE is not expected to transmit the UL signal or receive DL signal on Uu slot n, based on that the switching is performed on the Uu slot n, and based on that the switching is performed between UL transmission and SL transmission, and   wherein the UE is not expected to transmit or receive the SL signal on sidelink slot n, based on that the switching is performed on the sidelink slot n, and based on that the switching is performed between UL transmission and SL transmission.   
     
     
         10 . The method of  claim 9 ,
 wherein the first signal is UL signal and the second signal is SL signal, and   wherein the UE is not expected to transmit or receive the SL signal on sidelink slot n, based on that the switching is performed from UL transmission to SL transmission in sidelink slot n.   
     
     
         11 . The method of  claim 9 ,
 wherein the first signal is SL signal and the second signal is UL signal, and   wherein the UE is not expected to transmit or receive the SL signal on sidelink slot n−1, based on that the switching is performed from SL transmission to UL transmission in sidelink slot n- 1 .   
     
     
         12 . The method of  claim 9 ,
 wherein the first signal is SL signal and the second signal is UL signal, and   wherein the UE is not expected to transmit or receive the SL signal on sidelink slot n−1, based on that the switching is performed from SL transmission to UL transmission before UL timing advance from slot boundary near Uu slot n in the sidelink slot n−1.   
     
     
         13 . The method of  claim 9 ,
 wherein the first signal is SL signal and the second signal is UL signal, and   wherein the UE is not expected to transmit the UL signal or receive DL signal on Uu slot n, based on that the switching is performed from SL transmission to UL transmission in Uu slot n.   
     
     
         14 . The method of  claim 9 ,
 wherein the first signal is UL signal and the second signal is SL signal, and   wherein the UE is not expected to transmit the UL signal or receive DL signal on Uu slot n−1, based on that the switching is performed from UL transmission to SL transmission in Uu slot n−1.   
     
     
         15 . The method of  claim 9 ,
 wherein the first signal is UL signal and the second signal is SL signal, and   wherein the UE is not expected to transmit the UL signal or receive DL signal on Uu slot n−1, based on that the switching is performed from UL transmission to SL transmission before SL timing advance from slot boundary near sidelink slot n in the Uu slot n−1.   
     
     
         16 . The method of  claim 9 ,
 wherein timing advance offset for the SL transmission is same as timing advance offset for the UL transmission, based on that the SL transmission and the UL transmission are in the same band.   
     
     
         17 . A wireless communication device operating in a wireless communication system, the wireless communication device comprising:
 at least processor; and   at least one computer memory operably connectable to the at least one processor,   wherein the at least one processor is configured to perform operations comprising:   generating first signal which is one of Uplink (UL) signal or Sidelink (SL) signal;   performing switching between UL transmission and SL transmission; and   generating second signal, which is different from the first signal, which is one of the UL signal or SL signal;   wherein the wireless communication device is not expected to transmit the UL signal or receive DL signal on Uu slot n, based on that the switching is performed on the Uu slot n, and based on that the switching is performed between UL transmission and SL transmission, and   wherein the wireless communication device is not expected to transmit or receive the SL signal on sidelink slot n, based on that the switching is performed on the sidelink slot n, and based on that the switching is performed between UL transmission and SL transmission.