Reference signal transmission and reception method and apparatus for beam management
A reference signal transmission and reception method is presented. The transmission method includes: transmitting a plurality of first reference signals; and transmitting a plurality of groups of second reference signals, where each first reference signal corresponds to one of the plurality of groups of second reference signal, and the group of second reference signals includes a plurality of second reference signals, where a part of reference signals in the group of second reference signals include quasi co-located information, and the quasi co-located information indicates a correlation between resources for the group of second reference signals including the quasi co-located information and resources for the first reference signal corresponding to the group of second reference signals.
1. A base station comprising:
a transmitting unit configured to transmit a plurality of first reference signals;
the transmitting unit further configured to transmit a plurality of groups of second reference signals, wherein a first reference signal corresponds to a group of second reference signals, and the group of second reference signals includes a plurality of second reference signals; and
a processing unit configured to configure a part of reference signals in the group of second reference signals to include quasi co-located information, the quasi co-located information indicating a correlation between resources for the group of second reference signals including the quasi co-located information and resources for the first reference signal corresponding to the group of second reference signals,
wherein the processing unit is further configured to:
when a first type of first reference signal in the plurality of first reference signals is a first synchronization signal, and a second type of first reference signal in the plurality of first reference signals is a first channel state information reference signal,
configure a part of reference signals in the group of second reference signals corresponding to the first type of first reference signal to include quasi co-located information, the quasi co-located information indicating a correlation between resources for the group of second reference signals corresponding to the first type of first reference signal and resources for the first synchronization signal, and
configure a part of reference signals in the group of second reference signals corresponding to the second type of first reference signal to include quasi co-located information, the quasi co-located information indicating a correlation between resources for the group of second reference signals corresponding to the second type of first reference signal and resources for the first channel state information reference signal.
2. The base station according to claim 1 , wherein the first reference signal is a first synchronization signal or a first channel state information reference signal, and the second reference signal is a second channel state information reference signal or a demodulation reference signal.
3. A terminal comprising:
a receiving unit configured to receive a plurality of first reference signals;
the receiving unit further configured to receive a plurality of groups of second reference signals, wherein a first reference signal corresponds to a group of second reference signals, and the group of second reference signals includes a plurality of second reference signals, wherein a part of reference signals in the group of second reference signals include quasi co-located information, and the quasi co-located information indicates a correlation between resources for the group of second reference signals including the quasi co-located information and resources for the first reference signal corresponding to the group of second reference signals; and
a processing unit configured to determine reception beams corresponding to candidate transmission beams for a plurality of second reference signals in the group of second reference signals,
wherein when a first type of first reference signal in the plurality of first reference signals is a first synchronization signal, and a second type of first reference signal in the plurality of first reference signals is a first channel state information reference signal,
a part of reference signals in the group of second reference signals corresponding to the first type of first reference signal includes quasi co-located information, the quasi co-located information indicates a correlation between resources for the group of second reference signals corresponding to the first type of first reference signal and resources for the first synchronization signal, and
a part of reference signals in the group of second reference signals corresponding to the second type of first reference signal includes quasi co-located information, the quasi co-located information indicates a correlation between resources for the group of second reference signals corresponding to the second type of first reference signal and resources for the first channel state information reference signal.
4. A terminal comprising:
a receiving unit configured to receive a plurality of first reference signals, the plurality of first reference signals configured by a base station for measurement, or the plurality of first reference signals configured by the base station to be active for measurement, or the plurality of first reference signals configured by the base station for reporting; and
a processing unit configured to determine reception beams corresponding to candidate transmission beams for the plurality of first reference signals,
wherein the a part of reference signals in the group of second reference signals include quasi co-located information, and the quasi co-located information indicating a correlation between resources for the group of second reference signals including the quasi co-located information and resources for the first reference signal corresponding to the group of second reference signals includes:
when a first type of first reference signal in the plurality of first reference signals is a first synchronization signal, and a second type of first reference signal in the plurality of first reference signals is a first channel state information reference signal,
a part of reference signals in the group of second reference signals corresponding to the first type of first reference signal includes quasi co-located information, and the quasi co-located information indicates a correlation between resources for the group of second reference signals corresponding to the first type of first reference signal and resources for the first synchronization signal, and
a part of reference signals in the group of second reference signals corresponding to the second type of first reference signal includes quasi co-located information, and the quasi co-located information indicates a correlation between resources for the group of second reference signals corresponding to the second type of first reference signal and resources for the first channel state information reference signal.
5. The terminal according to claim 3 , wherein the first reference signal is a first synchronization signal or a first channel state information reference signal, and the second reference signal is a second channel state information reference signal or a demodulation reference signal.
6. The terminal according to claim 4 , further including:
a transmitting unit configured to transmit a first measurement result, wherein the first measurement result is a result of performing a first measurement on the first reference signal.