Base station and user equipment for mobile communication system

Abstract

A base station (BS) and a user equipment (UE) for a mobile communication system are provided. The BS generates an uplink transmission indication message including a serving source configuration and an uplink transmission parameter setting. The serving source configuration indicates a plurality of serving sources. The BS transmits the uplink transmission indication message to the UE. The BS further receives a first uplink signal from the UE through a first serving source of the serving sources.

What is claimed is: 
     
         1 . Abase station (BS) for a mobile communication system, comprising:
 a transceiver; and   a processor electrically connected to the transceiver, being configured to execute the following operations:
 generating an uplink transmission indication message including a serving source configuration and an uplink transmission parameter setting, the serving source configuration indicating a plurality of serving sources; 
 transmitting the uplink transmission indication message to a user equipment (UE) via the transceiver; and 
 receiving a first uplink signal from the UE through a first serving source of the serving sources via the transceiver. 
   
     
     
         2 . The base station of  claim 1 , wherein the processor further receives a second uplink signal from the UE through a second serving source of the serving sources via the transceiver;
 wherein the first uplink signal and the second uplink signal are generated by the UE based on a piece of uplink information, the first uplink signal carries a first part of the piece of uplink information and the second uplink signal carries a second part of the piece of uplink information.   
     
     
         3 . The base station of  claim 2 , wherein the uplink information is an uplink control information, the first uplink signal is a first uplink control signal, the second uplink signal is a second uplink control signal, the first uplink control signal and the second uplink control signal are associated, and the processor further combines the first uplink control signal and the second uplink control signal to obtain the uplink control information according to the uplink transmission parameter setting. 
     
     
         4 . The base station of  claim 1 , wherein the serving source configuration further indicates a periodic radio resource of each of the serving sources, and the processor configures the periodic radio resources of the serving sources to make the periodic radio resources have an offset in the time domain to each other and have different starting positions. 
     
     
         5 . A user equipment (UE) for a mobile communication system, comprising:
 a transceiver; and   a processor electrically connected to the transceiver, being configured to execute the following operations:
 receiving an uplink transmission indication message from a base station (BS), the uplink transmission indication message including a serving source configuration and an uplink transmission parameter setting, the serving source configuration indicating a plurality of serving sources; 
 selecting a first serving source from the serving sources; and 
 transmitting a first uplink signal to the base station through the first serving source via the transceiver. 
   
     
     
         6 . The user equipment of  claim 5 , wherein the processor further generates the first uplink signal and a second uplink signal based on a piece of uplink information, selects a second serving source from the serving sources, and transmits the second uplink signal through the second serving source via the transceiver;
 wherein the first uplink signal carries a first part of the piece of uplink information and the second uplink signal carries a second part of the piece of uplink information.   
     
     
         7 . The user equipment of  claim 6 , wherein the piece of uplink information is a transport block, and each of the first part and the second part corresponds to a redundancy version (RV). 
     
     
         8 . The user equipment of  claim 7 , wherein the processor further receives, from the BS via the transceiver, an HARQ-ACK indicating that the first uplink signal is erroneously received, and the processor further transmits the second uplink signal through the second serving source via the transceiver according to a channel quality information after receiving the HARQ-ACK. 
     
     
         9 . The user equipment of  claim 7 , wherein the uplink transmission parameter setting further indicates a first time interval of transmission of the first uplink signal and a second time interval of transmission of the second uplink signal, and the first time interval and the second time interval fall within a slot. 
     
     
         10 . The user equipment of  claim 6 , wherein the uplink information is a transport block, and each of the first part and the second part corresponds to a code block group (CBG). 
     
     
         11 . The user equipment of  claim 10 , wherein the processor further receives, from the BS via the transceiver, an HARQ-ACK indicating that the first uplink signal is erroneously received, and the processor further transmits the first uplink signal through the second serving source or another serving source of the serving sources via the transceiver according to a channel quality information after receiving the HARQ-ACK. 
     
     
         12 . The user equipment of  claim 6 , wherein the base station have a plurality of transmission reception points (TRPs), the serving source are the TRPs respectively, the first serving source is a first TRP of the TRPs, the second serving source is a second TRP of the TRPs, and the transceiver uses a first beam to transmit the first uplink signal to the first TRP and uses a second beam to transmit the second uplink signal to the second TRP. 
     
     
         13 . The user equipment of  claim 6 , wherein the serving sources are different bandwidth parts. 
     
     
         14 . The user equipment of  claim 5 , wherein the serving source configuration further indicates a periodic radio resource of each of the serving sources, the periodic radio resources of the serving sources are configured to have an offset in the time domain to each other and have different starting positions, and the processor selects the first serving source from the serving sources according to the starting positions of the serving sources.