Method and device in UE and base station used for wireless communication
The disclosure provides a method and a device in a User Equipment (UE) and a base station used for wireless communication. The UE receives first information and second information, and receives a first radio signal in a first time interval. The first information and the second information are used for determining a first parameter and a second parameter respectively, the first parameter and the second parameter are used for multi-antenna related receptions respectively; the second parameter is used for a reception of a second radio signal; if a time-domain resource occupied by the second radio signal comprises the first time interval, the second parameter is used for a reception of the first radio signal, otherwise, the first parameter is used for a reception of the first radio signal. The disclosure can solve the conflict of beam scheduling and increase the flexibility of beam scheduling.
1 . A method for use in a User Equipment (UE) for wireless communication, the method comprising:
receiving first information, wherein the first information comprises a first parameter;
receiving second information, wherein the second information comprises a second parameter; and
receiving a first radio signal in a first number of symbols using the first parameter or the second parameter;
wherein on a condition that a second radio signal is indicated to use a same first number of symbols that are used for receiving the first radio signal, the second parameter is used for receiving the first radio signal, otherwise, the first parameter is used for receiving the first radio signal.
2 . The method of claim 1 , wherein the second information is carried by radio resource control (RRC) signaling, and the second radio signal is a periodic channel state information-reference signal (CSI-RS).
3 . The method of claim 1 , wherein the second information is carried by a physical layer signaling, and the second radio signal is an aperiodic channel state information-reference signal (CSI-RS).
4 . The method of claim 1 , wherein the second information is received after the first information.
5 . The method of claim 1 , wherein the first parameter and the second parameter are parameters indicating spatial Quasi Co-location (QCL) with a first reference signal and indicating spatial QCL with a second reference signal respectively.
6 . The method of claim 4 , wherein the first parameter and the second parameter are parameters indicating spatial Quasi Co-location (QCL) with a first reference signal and indicating spatial QCL with a second reference signal respectively.
7 . A method for use in a base station for wireless communication, the method comprising:
transmitting first information, wherein the first information comprises a first parameter;
transmitting second information, wherein the second information comprises a second parameter; and
transmitting a first radio signal in a first number of symbols using the first parameter or the second parameter;
wherein on a condition that a second radio signal is indicated to use a same first number of symbols that are used for transmitting the first radio signal, the second parameter is used for transmitting the first radio signal, otherwise, the first parameter is used for transmitting the first radio signal.
8 . The method of claim 7 , wherein the second information is carried by radio resource control (RRC) signaling, and the second radio signal is a periodic channel state information-reference signal (CSI-RS).
9 . The method of claim 7 , wherein the second information is carried by a physical layer signaling, and the second radio signal is an aperiodic channel state information-reference signal (CSI-RS); wherein the second information is transmitted after the first information.
10 . The method of claim 7 , wherein the first parameter and the second parameter are parameters indicating spatial Quasi Co-location (QCL) with a first reference signal and indicating spatial QCL with a second reference signal respectively.
11 . A User Equipment (UE) configured for wireless communication, the UE comprising:
a receiver configured to receive first information, wherein the first information comprises a first parameter;
the receiver is further configured to receive second information, wherein the second information comprises a second parameter; and
the receiver is further configured to receive a first radio signal in a first number of symbols using the first parameter or the second parameter;
wherein on a condition that a second radio signal is indicated to use a same first number of symbols that are used for receiving the first radio signal, the second parameter is used for receiving the first radio signal, otherwise, the first parameter is used for receiving the first radio signal.
12 . The UE of claim 11 , wherein the second information is carried by radio resource control (RRC) signaling, and the second radio signal is a periodic channel state information-reference signal (CSI-RS).
13 . The UE of claim 11 , wherein the second information is carried by a physical layer signaling, and the second radio signal is an aperiodic channel state information-reference signal (CSI-RS).
14 . The UE of claim 11 , wherein the second information is received after the first information.
15 . The UE of claim 11 , wherein the first parameter and the second parameter are parameters indicating spatial Quasi Co-location (QCL) with a first reference signal and indicating spatial QCL with a second reference signal respectively.
16 . The UE of claim 14 , wherein the first parameter and the second parameter are parameters indicating spatial Quasi Co-location (QCL) with a first reference signal and indicating spatial QCL with a second reference signal respectively.
17 . A base station configured for wireless communication, the base station comprising:
a transmitter configured to transmit first information, wherein the first information comprises a first parameter;
the transmitter is further configured to transmit second information, wherein the second information comprises a second parameter; and
the transmitter is further configured to transmit a first radio signal in a first number of symbols using the first parameter or the second parameter;
wherein on a condition that a second radio signal is indicated to use a same first number of symbols that are used for transmitting the first radio signal, the second parameter is used for transmitting the first radio signal, otherwise, the first parameter is used for transmitting the first radio signal; the first radio signal is an aperiodic channel state information-reference signal (CSI-RS), the second radio signal is CSI-RS.
18 . The base station of claim 17 , wherein the second information is carried by radio resource control (RRC) signaling, and the second radio signal is a periodic CSI-RS.
19 . The base station of claim 17 , wherein the second information is carried by a physical layer signaling, and the second radio signal is an aperiodic CSI-RS; wherein the second information is transmitted after the first information.
20 . The base station of claim 17 , wherein the first parameter and the second parameter are parameters indicating spatial Quasi Co-location (QCL) with a first reference signal and indicating spatial QCL with a second reference signal respectively.