METHODS, APPARATUS, AND SYSTEMS FOR DOWNLINK (DL) POWER ADJUSTMENT AND UE BEHAVIORS/PROCEDURES FOR CROSS DIVISION DUPLEX (XDD)
Methods, apparatus and systems are disclosed. In one embodiment, a method may be implemented by a first Wireless Transmit/Receive Unit (WTRU). The method may include receiving configuration information indicating a first set of RBs for performing a CSI-RS measurement, receiving an indication indicating a second set of RBs, and receiving an indication indicating that a first set of symbols or slots is not configured for a certain type of duplexing method and a second set of symbols or slots is configured for the certain type of duplexing method. The method may also include measuring a first CSI-RS in the first set of RBs in a symbol or slot in the first set of symbols or slots, measuring a second CSI-RS in a symbol or slot of the second set of symbols or slots in RBs that are in both the first set of RBs and the second set of RBs. determining a CSI based on the measurement of the first CSI-RS and the second CSI-RS, and reporting the CSI.
1 . A method implemented by a wireless transmit/receive unit (WTRU), the method comprising:
receiving configuration information indicating a first set of resource blocks (RBs) for performing a channel state information reference signal (CSI-RS) measurement;
receiving an indication indicating a second set of RBs, wherein the second set of RBs are indicated as downlink (DL) RBs, and wherein the second set of RBs comprises a subset of the first set of RBs;
receiving an indication indicating that a first set of symbols or slots is not configured for a type of duplexing method and a second set of symbols or slots is configured for the type of duplexing method;
measuring a first CSI-RS in the first set of RBs in a symbol or slot in the first set of symbols or slots; and
on a condition that the WTRU is to combine CSI-RS measurements from the first set of symbols or slots that are not configured for the type of duplexing method and CSI-RS measurements from the second set of symbols or slots that are configured for the type of duplexing method, the method comprises:
measuring a second CSI-RS in a symbol or slot of the second set of symbols or slots in RBs that are overlapping in both the first set of RBs and the second set of RBs,
determining channel state information (CSI) based on the measurement of the first CSI-RS and the second CSI-RS, and
reporting the CSI.
2 . The method of claim 1 , comprising:
receiving, from a network node, an indication indicating that the WTRU can combine CSI-RS measurements from symbols or slots not configured for the type of duplexing method and CSI-RS measurements from symbols or slots configured for the type of duplexing method.
3 . (canceled)
4 . The method of claim 1 , wherein the type of duplexing method comprises any of subband non-overlapping full duplex (SBFD) and cross division duplex (XDD).
5 . The method of claim 1 , wherein the determining of the CSI based on the measurement of the first CSI-RS and the second CSI-RS comprises averaging the measurements of the first CSI-RS and the second CSI-RS.
6 . The method of claim 1 , comprising:
receiving timing information comprising any of a time domain pattern and time stamps for indicating when any of (1) the first set of symbols or slots and (2) the second set of symbols or slots apply.
7 . The method of claim 1 , wherein one or more of the RBs in the second set of RBs are non-contiguous.
8 . The method of claim 1 , wherein the determined CSI comprises any of channel quality information (CQI), a precoding matrix indicator (PMI), a rank indicator (RI), and a layer 1 (L1)-reference signal received power (RSRP).
9 . A wireless/transmit receive unit (WTRU), comprising:
a transceiver configured to:
receive configuration information indicating a first set of resource blocks (RBs) for performing a channel state information reference signal (CSI-RS) measurement);
receive an indication indicating a second set of RBs, wherein the second set of RBs are indicated as downlink (DL) RBs, and wherein the second set of RBs comprises a subset of the first set of RBs; and
receive an indication indicating that a first set of symbols or slots is not configured for a type of duplexing method and a second set of symbols or slots is configured for the type of duplexing method; and
a processor configured to:
measure a first CSI-RS in the first set of RBs in a symbol or slot in the first set of symbols or slots; and
on a condition that the WTRU is to combine CSI-RS measurements from the first set of symbols or slots that are not configured for the type of duplexing method and CSI-RS measurements from the second set of symbols or slots that are configured for the type of duplexing method:
measure a second CSI-RS in a symbol or slot of the second set of symbols or slots in RBs that are overlapping in both the first set of RBs and the second set of RBs,
determine channel state information (CSI) based on the measurement of the first CSI-RS and the second CSI-RS, and
report the CSI.
10 . The WTRU of claim 9 , wherein the transceiver is configured to receive, from a network node, an indication indicating that the WTRU can combine CSI-RS measurements from symbols or slots not configured for the type of duplexing method and CSI-RS measurements from symbols or slots configured for the type of duplexing method.
11 . (canceled)
12 . The WTRU of claim 9 , wherein the type of duplexing method comprises any of subband non-overlapping full duplex (SBFD) and cross division duplex (XDD).
13 . The WTRU of claim 9 , wherein, to determine the CSI based on the measurement of the first CSI-RS and the second CSI-RS, the processor is configured to average the measurements of the first CSI-RS and the second CSI-RS.
14 . The WTRU of claim 9 , wherein the transceiver is configured to receive timing information comprising any of a time domain pattern and time stamps for indicating when any of (1) the first set of symbols or slots and (2) the second set of symbols or slots apply.
15 . The WTRU of claim 9 , wherein one or more of the RBs in the second set of RBs are non-contiguous.
16 . The WTRU of claim 9 , wherein the determined CSI comprises any of channel quality information (CQI), a precoding matrix indicator (PMI), a rank indicator (RI), and a layer 1 (L1)-reference signal received power (RSRP).
17 . A wireless/transmit receive unit (WTRU), comprising:
means for receiving configuration information indicating a first set of resource blocks (RBs) for performing a channel state information reference signal (CSI-RS) measurement);
means for receiving an indication indicating a second set of RBs, wherein the second set of RBs are indicated as downlink (DL) RBs, and wherein the second set of RBs comprises a subset of the first set of RBs;
means for receiving an indication indicating that a first set of symbols or slots is not configured for a type of duplexing method and a second set of symbols or slots is configured for the type of duplexing method;
means for measuring a first CSI-RS in the first set of RBs in a symbol or slot in the first set of symbols or slots;
on a condition that the WTRU is to combine CSI-RS measurements from the first set of symbols or slots that are not configured for the type of duplexing method and CSI-RS measurements from the second set of symbols or slots that are configured for the type of duplexing method, the WTRU comprises:
means for measuring a second CSI-RS in a symbol or slot of the second set of symbols or slots in RBs that are overlapping in both the first set of RBs and the second set of RBs,
means for determining channel state information (CSI) based on the measurement of the first CSI-RS and the second CSI-RS, and
means for reporting the CSI.
18 . The WTRU of claim 17 , comprising:
means for receiving, from a network node, an indication indicating that the WTRU can combine CSI-RS measurements from symbols or slots not configured for the type of duplexing method and CSI-RS measurements from symbols or slots configured for the type of duplexing method.
19 . (canceled)
20 . The WTRU of claim 17 , wherein the type of duplexing method comprises any of subband non-overlapping full duplex (SBFD) and cross division duplex (XDD).
21 . The WTRU of claim 17 , wherein the means for determining the CSI based on the measurement of the first CSI-RS and the second CSI-RS comprises means for averaging the measurements of the first CSI-RS and the second CSI-RS.
22 . The WTRU of claim 17 , comprising:
means for receiving timing information comprising any of a time domain pattern and time stamps for indicating when any of (1) the first set of symbols or slots and (2) the second set of symbols or slots apply.
23 . The WTRU of claim 17 , wherein one or more of the RBs in the second set of RBs are non-contiguous.
24 . The WTRU of claim 17 , wherein the determined CSI comprises any of channel quality information (CQI), a precoding matrix indicator (PMI), a rank indicator (RI), and a layer 1 (L1)-reference signal received power (RSRP).
25 . (canceled)