INFORMATION INDICATION APPARATUS, INFORMATION RECEPTION APPARATUS AND METHODS THEREOF
An information indication apparatus, applicable to a network device, includes: a transmitter configured to transmit indication information to a terminal equipment, wherein the indication information indicates: activation/deactivation of a channel state information (CSI) report in a list of CSI reports; and, enabling/disabling of at least one channel state information reference signal (CSI-RS) resource within a CSI-RS resource set; and a receiver, configured to receive a channel state information (CSI) report on a physical uplink shared channel (PUSCH) or a physical uplink control channel (PUCCH).
1 . An information indication apparatus, applicable to a network device, the apparatus comprising:
a transmitter configured to transmit indication information to a terminal equipment, wherein the indication information indicates: activation/deactivation of a channel state information (CSI) report in a list of CSI reports; and, enabling/disabling of at least one channel state information reference signal (CSI-RS) resource within a CSI-RS resource set; and
a receiver, configured to receive a channel state information (CSI) report on a physical uplink shared channel (PUSCH) or a physical uplink control channel (PUCCH).
2 . The apparatus according to claim 1 , wherein the transmitter transmits the indication information via semi-static signaling and/or dynamic signaling.
3 . The apparatus according to claim 2 , wherein, the dynamic signaling is a downlink control information (DCI) indicating activation/deactivation of the channel state information (CSI) report;
or, the semi-static signaling is an MAC CE (Control Element) indicating activation/deactivation of the channel state information (CSI) report;
or, the semi-static signaling is a radio resource control (RRC) signaling indicating enabling/disabling of the channel state information reference signal (CSI-RS) resource.
4 . The apparatus according to claim 2 , wherein the semi-static signaling or dynamic signaling is group signaling, and the transmitter transmits the indication information to a plurality of terminal equipments via the group signaling; or
the semi-static signaling or dynamic signaling is UE-specific signaling, and the transmitter transmits the indication information to a terminal equipment via the UE-specific signaling.
5 . The apparatus according to claim 1 , wherein at least one channel state information (CSI) report is activated/deactivated, via the indication information.
6 . The apparatus according to claim 1 , wherein the indication information is used to activate a first channel state information (CSI) report and/or deactivate a second channel state information (CSI) report, wherein the first channel state information (CSI) report and/or the second channel state information (CSI) report is/are configured by higher-layer information.
7 . The apparatus according to claim 6 , wherein the first channel state information (CSI) report and/or the second channel state information (CSI) report belong(s) to a first channel state information (CSI) report list,
wherein the first channel state information (CSI) report list includes one or more channel state information report configuration identifiers.
8 . The apparatus according to claim 7 , wherein the first channel state information (CSI) report list and the one or more channel state information report configuration identifiers are configured by higher-layer information.
9 . The apparatus according to claim 7 , wherein a channel state information report configuration identifier included in the first channel state information (CSI) report list is associated with
a resource used for the channel state information (CSI) report, and/or,
a time-frequency resource of a channel state information reference signal (CSI-RS) resource corresponding to the channel state information (CSI) report.
10 . The apparatus according to claim 1 , wherein at least one channel state information reference signal (CSI-RS) resource is enabled/disabled, via the indication information.
11 . The apparatus according to claim 10 , wherein the indication information is used to enable a first channel state information reference signal (CSI-RS) resource and/or disable a second channel state information reference signal (CSI-RS) resource;
wherein the first channel state information reference signal (CSI-RS) resource and/or the second channel state information reference signal (CSI-RS) resource is/are configured by higher-layer information.
12 . The apparatus according to claim 11 , wherein the first channel state information reference signal (CSI-RS) resource and/or the second channel state information reference signal (CSI-RS) resource are different.
13 . The apparatus according to claim 11 , wherein the first channel state information reference signal (CSI-RS) resource and/or the second channel state information reference signal (CSI-RS) resource belong(s) to a first channel state information reference signal (CSI-RS) resource set.
14 . The apparatus according to claim 1 , wherein the channel state information reference signal (CSI-RS) resource set includes channel state information reference signal (CSI-RS) resources, or, channel state information reference signal (CSI-RS) ports.
15 . The apparatus according to claim 14 , wherein at least one of the following information are configured by higher-layer information:
an index of the channel state information reference signal (CSI-RS) resource set;
the number and indices of the channel state information reference signal (CSI-RS) resources included in the channel state information reference signal (CSI-RS) resource set;
the number and/or indices of the channel state information reference signal (CSI-RS) ports.
16 . The apparatus according to claim 14 , wherein the channel state information reference signal (CSI-RS) resources refer to a list of channel state information reference signal (CSI-RS) resources configured by higher-layer information.
17 . The apparatus according to claim 14 , wherein a value of bits in the indication information indicates that a corresponding CSI-RS port is enabled and/or another value of bits in the indication information indicates that a corresponding CSI-RS port is disabled.
18 . The apparatus according to claim 17 , wherein the indication information comprises a bitmap which contains a plurality of bits.
19 . An information reception apparatus, applicable to a terminal equipment, the apparatus comprising:
a receiver configured to receive indication information; wherein the indication information indicates: activation/deactivation of a channel state information (CSI) report in a list of CSI reports, and, enabling/disabling of at least one channel state information reference signal (CSI-RS) resource within a CSI-RS resource set; and
a transmitter configured to transmit a channel state information (CSI) report on a physical uplink shared channel (PUSCH) or a physical uplink control channel (PUCCH).
20 . A communication system, comprising:
a network device configured to transmit indication information; and receive a channel state information (CSI) report on a physical uplink shared channel (PUSCH) or a physical uplink control channel (PUCCH); and
a terminal equipment configured to receive the indication information and transmit the channel state information (CSI) report;
wherein the indication information indicates: activation/deactivation of a channel state information (CSI) report in a list of CSI reports, and, enabling/disabling of at least one channel state information reference signal (CSI-RS) resource within a CSI-RS resource set.