Method and device for transmitting and receiving signals
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Embodiments of the present disclosure provide a method for transmitting signals. The method includes: determining, by a communication node, that resources of a DRS and resources of other types of reference signals are overlapped; and selecting, by the communication node, at least one type of signal from the DRS and the other types of reference signals according to a predefined mode and transmitting the selected signal. Embodiments of the present disclosure may further disclose a corresponding method and device for receiving signals, a method and device for determining transmission power of the reference signals and a method for transmitting the DRS in a DL transmission burst including the data. With embodiments of the present disclosure, the confusion of the measurement of the DRS and the measurement of other types of reference signals may be solved.
1. A method by a base station for transmitting a discovery reference signal (DRS) in a wireless communication system, the method comprising:
identifying a plurality of subframes for licensed-assisted access (LAA);
identifying a DRS subframe in the plurality of subframes; and
transmitting, to a terminal, a DRS in the identified DRS subframe,
wherein the DRS subframe is identified as a first subframe including at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS) or cell-specific reference signals (CRSs) within a discovery reference signal measurement timing configuration (DMTC) window among the plurality of subframes, and
wherein the DRS subframe is not after a downlink (DL) transmission burst subframe including at least one of subframe 0 or 5 in a radio frame associated with the plurality of subframes in which simultaneous transmission of a DRS and data occurs in case that the DL transmission burst subframe is within the DMTC window and includes at least 12 OFDM symbols for transmitting the DRS.
2. A method by a terminal for receiving a discovery reference signal (DRS) in a wireless communication system, the method comprising:
receiving, from a base station, at least one DRS candidate signal in a plurality of subframes for licensed-assisted access (LAA), the at least one DRS candidate signal including at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS) or cell-specific reference signals (CRSs) in the plurality of subframes;
identifying a DRS subframe as a first subframe including the at least one DRS candidate signal within a discovery reference signal measurement timing configuration (DMTC) window among the plurality of subframes; and
receiving, from the base station, a DRS in the identified DRS subframe from the base station,
wherein the DRS subframe is not after a downlink (DL) transmission burst subframe including at least one of subframe 0 or 5 in a radio frame associated with the plurality of subframes in which simultaneous transmission of a DRS and data occurs in case that the DL transmission burst subframe is within the DMTC window and includes at least 12 OFDM symbols for transmitting the DRS.
3. A base station for transmitting a discovery reference signal (DRS) in a wireless communication system, comprising:
a transceiver configured to transmit and receive signals to and from a terminal; and
a processor configured to:
identify a plurality of subframes for licensed-assisted access (LAA);
identify a DRS subframe in the plurality of subframes, and
transmit, to the terminal via the transceiver, a DRS in the identified DRS subframe,
wherein the DRS subframe is identified as a first subframe including at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS) or cell-specific reference signals (CRSs) within a discovery reference signal measurement timing configuration (DMTC) window among the plurality of subframes, and
wherein the DRS subframe is not after a downlink (DL) transmission burst subframe including at least one of subframe 0 or 5 in a radio frame associated with the plurality of subframes in which simultaneous transmission of a DRS and data occurs in case that the DL transmission burst subframe is within the DMTC window and includes at least 12 OFDM symbols for transmitting the DRS.
4. A terminal for detecting a discovery reference signal (DRS) in a wireless communication system, comprising:
a transceiver configured to transmit and receive signals to and from a base station; and
a processor configured to:
receive, from the base station via the transceiver, at least one DRS candidate signal in a plurality of subframes for licensed-assisted access (LAA), the at least one DRS candidate signal including at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS) or cell-specific reference signals (CRSs) in the plurality of subframes,
identify a DRS subframe as a first subframe including the at least one DRS candidate signal within a discovery reference signal measurement timing configuration (DMTC) window among the plurality of subframes, and
receive, from the base station via the transceiver, a DRS in the identified DRS subframe from the base station,
wherein the DRS subframe is not after a downlink (DL) transmission burst subframe including at least one of subframe 0 or 5 in a radio frame associated with the plurality of subframes in which simultaneous transmission of a DRS and data occurs in case that the DL transmission burst subframe is within the DMTC window and includes at least 12 OFDM symbols for transmitting the DRS.