Method and device in UE, base station and service center

A method used for positioning in a base station, comprising:

• receiving first information from a user equipment (UE);
• and
• transmitting X1 first signals to the UE;
• wherein the first information is used to determine X1 first antenna ports, and the X1 first antenna ports are respectively used to transmit the X1 first signals;
• the X1 first antenna ports correspond to X1 pieces of first configuration information respectively;
• the first configuration information comprises at least one of time-frequency domain resources occupied by the corresponding first antenna port(s), transmit antenna port(s), an associated ID, or a Cyclic Prefix (CP) length corresponding to the transmitted signal;
• and X1 is a positive integer greater than one.

A method used for positioning in a service center, comprising:

• receiving second information from a base station;
• and
• receiving a first measurement report from a user equipment;
• wherein the second information is used to determine at least one of X1 pieces of first configuration information or X2 pieces of second configuration information;
• the X1 pieces of first configuration information respectively correspond to X1 first antenna ports;
• the X2 pieces of second configuration information correspond to X2 second antenna ports respectively;
• the first configuration information includes at least one of time-frequency domain resources occupied by the corresponding first antenna port(s), transmit antenna port(s), an associated ID, or a Cyclic Prefix(CP) length corresponding to the transmitted signal;
• the second configuration information includes at least one of time-frequency domain resources occupied by the corresponding second antenna port(s), transmit antenna port(s), an associated ID, or a CP length corresponding to the transmitted signal;
• the first measurement report includes K1 piece(s) of measurement information, which is used for a particular first signal of the X1 first signals;
• the measurement information is used to determine at least two of a set of time lengths, first antenna port(s) or a first angle correspondingly;
• the set of time lengths and the first angle are both related to the first antenna port(s);
• the set of time lengths includes one or more time lengths;
• X1 and X2 are both positive integers, and K1 is a positive integer.

A UE used for positioning, comprising:

• a first transceiver, transmitting first information to a base station;
• a first receiver, receiving X1 first signals from the base station;
• and
• a second transceiver, transmitting a first measurement report to a service center;
• wherein the first information is used by the base station to determine X1 first antenna ports, and the X1 first antenna ports are respectively used by the base station to transmit the X1 first signals;
• the first measurement report includes K1 piece(s) of measurement information which is used for a particular first signal of the X1 first signals;
• the K1 first signal(s) belong to the X1 first signals;
• the measurement information is used to determine at least the first two of a set of time lengths, first antenna port(s) or a first angle correspondingly;
• the set of time lengths and the first angle are both related to the first antenna port(s);
• the set of time lengths includes one or more of time lengths;
• a receiver of the first information and a receiver of the first measurement report are non-co-location;
• X1 is a positive integer greater than 1, and K1 is a positive integer.

A base station used for positioning, comprising:

• a third transceiver, receiving first information from a user equipment;
• a first transmitter, transmitting X1 first signals to the user equipment;
• and
• a second transmitter, transmitting second information to a service center;
• wherein the first information is used to determine X1 first antenna ports, and the X1 first antenna ports are respectively used to transmit the X1 first signals;
• the X1 first antenna ports correspond to X1 pieces of first configuration information respectively;
• the first pieces of configuration information includes at least one of time-frequency domain resources occupied by the corresponding first antenna port, transmit antenna port(s), an associated ID, or a CP length corresponding to the transmitted signal;
• the second information is used to determine at least the former of the X1 pieces of first configuration information or the X2 pieces of second configuration information.

A service center used for positioning, comprising:

• a second receiver, receiving second information from a base station;
• and
• a fourth transceiver, receiving a first measurement report from a user equipment;
• wherein the second information is used to determine at least one of X1 pieces of first configuration information or X2 pieces of second configuration information;
• the X1 pieces of first configuration information correspond to the X1 first antenna ports respectively;
• the X2 pieces of second configuration information correspond to X2 second antenna ports respectively;
• the first configuration information includes at least one of time-frequency domain resources occupied by the corresponding first antenna port(s), transmit antenna port(s), an associated ID, or a Cyclic Prefix(CP) length corresponding to the transmitted signal;
• the second configuration information comprises at least one of time-frequency domain resources occupied by the corresponding second antenna port(s), transmit antenna port(s), an associated ID, or a Cyclic Prefix(CP) length corresponding to the transmitted signal;
• the first measurement report includes K1 piece(s) of measurement information, which is used for a particular first signal of the X1 first signals;
• the measurement information is used to determine at least first two of a set of time lengths, the first antenna port(s) and a first angle;
• the set of time lengths and the first angle are both related to the first antenna port(s);
• the set of time lengths includes one or more time lengths;;
• X1 and X2 are both positive integers, and K1 is a positive integer.