METHOD AND APPARATUS FOR CONFIGURING REFERENCE SIGNAL RESOURCE
A method and an apparatus for configuring reference signal resource. The method includes: a terminal equipment receives a first resource configuration, the first resource configuration at least including a first parameter, the first parameter being used for configuring a first reference signal resource with M ports; the terminal equipment receives a second resource configuration and/or a channel state information report configuration; wherein the first resource configuration or the second resource configuration or the channel state information report configuration is at least further used for the terminal equipment to determine a second reference signal resource with N ports; where, N is less than M.
1 . An apparatus for configuring reference signal resource, comprising:
a receiver configured to receive a reference signal resource configuration, the reference signal resource configuration at least comprising a first parameter, the first parameter being used for configuring M ports resources,
wherein the receiver is further configured to receiving a channel state information report configuration; wherein the channel state information report configuration is at least further used for a terminal equipment to determine N ports resources; where, N is equal to or less than M.
2 . The apparatus according to claim 1 , wherein the N ports resources are a part of the M ports resources.
3 . The apparatus according to claim 1 , wherein the first parameter at least comprises one of the following parameters: the number of ports nrofPort, a parameter for determining positions of time-domain resources, or a parameter for determining positions of frequency-domain resources,
the parameter for determining positions of time-domain resources being time-domain position information of a first OFDM symbol contained in a first reference signal resource, and the parameter for determining positions of frequency-domain resources being frequency-domain allocation information of the first reference signal resource.
4 . The apparatus according to claim 1 , wherein the apparatus further comprises:
a processor configured to determine the M ports resources according to the first parameter, and determine the N ports resources according to the first parameter and a second parameter, wherein the second parameter is contained in the channel state information report configuration.
5 . The apparatus according to claim 4 , wherein the second parameter is used to indicate that N ports resources in the M ports resources;
or, the second parameter indicates or enables resources to which a part of ports in the M ports resources corresponds to be the N ports resources.
6 . The apparatus according to claim 5 , wherein the second parameter is X bits, the X bits being used to denote N continuous or discontinuous ports in M ports.
7 . The apparatus according to claim 6 , wherein X is equal to M, and the second parameter is M bits, one of the M bits corresponds to a port in the M ports, and the bit indicates whether time-frequency resources of a corresponding port belong to the N ports resources.
8 . The apparatus according to claim 6 , wherein X is equal to or less than M, and the M ports resources comprise X port groups; the second parameter is X bits, one of the X bits corresponds to one of the X port groups, and the bit indicates whether time-frequency resources of a corresponding port group belong to the N ports resources; and the port group is a CDM group, or a predefined or preconfigured port group.
9 . The apparatus according to claim 6 , wherein a list with a length being L is predefined or preconfigured, each row in the list denotes a value of the N ports in the M ports, and the X bits are used to indicate an index of the list; where, X=log 2(L).
10 . The apparatus according to claim 5 , wherein the second parameter is an SLIV parameter, the SLIV parameter being used to denote N continuous ports in M ports; and
the second parameter is used to denote a starting port index and a port length of the continuous N ports, or the second parameter is used to denote a starting port group index and a port group length of the N continuous ports, the port group being a CDM group, or a predefined or preconfigured port group.
11 . The apparatus according to claim 5 , wherein the second parameter is a value, the value indicating that a part of resources in the M ports resources are the N ports resources.
12 . The apparatus according to claim 5 , wherein the second parameter is a numerical value or a proportional value, the numerical value or the proportional value indicating that a part of resources in the M ports resources are the N ports resources.
13 . The apparatus according to claim 1 , wherein the apparatus further comprises:
a processor configured to determine the M ports resources according to the first parameter, and determine the N ports resources according to the first parameter, a third parameter and/or a fourth parameter, wherein the third parameter and/or the fourth parameter is/are contained in a second resource configuration.
14 . The apparatus according to claim 13 , wherein the third parameter comprises channel state information reference signal resource configuration index information comprising a second parameter and/or a reference resource; and
the fourth parameter at least comprises: a parameter for determining a time-domain position of a first OFDM symbol, a parameter for determining a time-domain position of a second OFDM symbol, and a parameter for determining a position of a frequency-domain resource.
15 . The apparatus according to claim 1 , wherein the reference signal resource configuration or the channel state information report configuration is carried by radio resource control signaling and/or a media access control control element.
16 . The apparatus according to claim 1 , wherein the receiver is further configured to receive first information and/or second information, and the apparatus further comprises:
a processor configured to determine to perform channel state information measurement according to the first information and/or the second information by using the M ports resources and/or the N ports resources.
17 . The apparatus according to claim 16 , wherein the first information is carried by downlink control information and/or a media access control control element, and the second information is carried by radio resource control signaling and/or a media access control control element.
18 . The apparatus according to claim 16 , wherein the first information is used to indicate at least one of the following: a network state, that a terminal equipment performs channel state information measurement, that the terminal equipment performs channel state information measurement by using the M ports resources, that the terminal equipment performs channel state information measurement by using the N ports resources, update/adjustment/switching of a channel state information reference signal resource configuration, update/adjustment/switching of a channel state information report configuration, channel state information reference signal port adjustment, channel state information reference signal port activation/deactivation indication, channel state information reference signal port enable indication, channel state information measurement adjustment, an indication related to discontinuous reception, or an indication related to discontinuous transmission; and
the second information is used to indicate at least one of the following: a timer/counter related to a network state, a discontinuous reception period configuration related to the network state, or a discontinuous transmission period configuration related to the network state.
19 . An apparatus for configuring reference signal resource, comprising:
a transmitter configured to transmit a reference signal resource configuration, the reference signal resource configuration at least comprising a first parameter, the first parameter being used for configuring M ports resources,
wherein the transmitter is further configured to transmit a channel state information report configuration; wherein the channel state information report configuration is at least further used for a terminal equipment to determine N ports resources; where, N is equal to or less than M.
20 . A communication system, comprising:
a network device configured to transmit a reference signal resource configuration, the reference signal resource configuration at least comprising a first parameter, the first parameter being used for configuring M ports resources, and transmit a channel state information report configuration; and
a terminal equipment configured to receive the reference signal resource configuration and/or the channel state information report configuration; wherein the channel state information report configuration is at least further used for the terminal equipment to determine N ports resources; where, N is equal to or less than M.