Granted Patent B2

US 12,732,971 · App. 17/766,869 · Granted Sep 8, 2026

Inventors: Yi Wang (Beijing, CN); Feifei Sun (Beijing, CN); Bin Yu (Beijing, CN)

Assignee: Samsung Electronics Co., Ltd.

H04W72/044

Abstract

Claims (107)

1 . A method performed by a user equipment (UE) in a wireless communication system, the method comprising:

receiving, from a base station, first configuration information indicating that a symbol is an uplink (UL) symbol or a downlink (DL) symbol;

receiving, from the base station, second configuration information for identifying which frequency domain resource is for UL and which frequency domain resource is for DL in the symbol;

identifying frequency domain resources for UL and frequency domain resources for DL in the symbol based on the first configuration information and the second configuration information; and

performing signal transmission on the frequency domain resources for UL or signal reception on the frequency domain resources for DL, in the symbol.

2 . The method of claim 1 ,

wherein the first configuration information and the second configuration information include at least one of cell common UL/DL information, UE-specific UL/DL information, and dynamic UL/DL information,

wherein the cell common UL/DL information includes a first type of cell common UL/DL information and a second type of cell common UL/DL information,

wherein the UE-specific UL/DL information includes a first type of UE-specific UL/DL information and a second type of UE-specific UL/DL information, and

wherein the dynamic UL/DL information includes a first type of dynamic UL/DL information and a second type of dynamic UL/DL information.

3 . The method of claim 2 ,

wherein the first type of cell common UL/DL information, the first type of UE-specific UL/DL information and the first type of dynamic UL/DL information include information on UL/DL configuration, and are used to indicate that one slot/symbol is an UL slot/symbol, a DL slot/symbol or a flexible slot/symbol, wherein the UL/DL configuration of all frequency domain resources in each slot/symbol are the same, and

wherein the second type of cell common UL/DL information, the second type of UE-specific UL/DL information and the second type of dynamic UL/DL information include information on UL/DL configuration, and are used to indicate that each frequency domain resource of one slot/symbol is an UL transmission resource, a DL transmission resource, or a flexible transmission resource.

4 . The method of claim 3 ,

wherein the second type of cell common UL/DL information, the second type of UE-specific UL/DL information, and the second type of dynamic UL/DL information are used to indicate UL/DL configuration of each frequency domain resource in a carrier where a cell is located, or

wherein the second type of UE-specific UL/DL information and the second type of dynamic UL/DL information are used to indicate UL/DL configuration of configured bandwidth parts (BWPs), wherein the UL/DL configuration of different BWPs are configured separately,

wherein the UL/DL configuration of each frequency domain resource of one slot/symbol in one BWP is configured separately,

wherein UL/DL configurations of different frequency domain resources are not conflicting, or UL/DL configuration of different frequency domain resources are conflicting,

wherein the confliction denotes that UL configuration and DL configuration appear simultaneously in the UL/DL configurations of different frequency domain resources, and

wherein, in a specific slot/symbol, all frequency domain resources are configured with the same UL/DL configuration, the different frequency domain resources are not configured with conflicting UL/DL configuration, or a specific frequency domain resource is configured with a specific UL/DL configuration.

5 . The method of claim 3 , wherein frequency domain resources indicated by the second type of cell common UL/DL configuration are configured as DL reception by the first type of cell common UL/DL configuration.

6 . The method of claim 3 ,

wherein both of the first type of cell common UL/DL information and the second type of cell common UL/DL information indicate UL/DL configurations of the frequency domain resources in symbols, and the indicated part of frequency domain resources have the same UL/DL configuration, or

wherein both of the first type of cell common UL/DL information and the second type of UE-specific UL/DL information indicate UL/DL configurations of the frequency domain resources in the symbols, and the indicated part of frequency domain resources have the same UL/DL configuration, or

wherein both of a first type of semi-static UL/DL information and the second type of dynamic UL/DL information indicate UL/DL configurations of the frequency domain resources in the symbols, and the indicated part of frequency domain resources have the same UL/DL configuration,

wherein the first type of semi-static UL/DL information comprises the first type of cell common UL/DL information and/or the first type of UE-specific UL/DL information, and

wherein at least part of the frequency domain resources are configured by the base station or are predefined.

7 . The method of claim 2 , wherein the identifying of resources for UL and the identifying of resources for DL comprises:

determining UL/DL configurations of frequency domain resources in a slot or symbol, according to the second type of cell common UL/DL information or according to the first type of cell common UL/DL information and the second type of cell common UL/DL information, or,

determining UL/DL configurations of frequency domain resources of a carrier where a serving cell is located according to the second type of UE-specific UL/DL information and the first type of cell common UL/DL information, or

determining UL/DL configurations of frequency domain resources of the carrier where the serving cell is located only according to the second type of UE-specific UL/DL information.

8 . The method of claim 2 ,

wherein the identifying of resources for UL and the identifying of resources for DL comprises:

determining UL/DL configurations of slot/symbols of a bandwidth part (BWP) according to a frequency domain position of the BWP and each frequency domain resource of a carrier where a serving cell is located, and

wherein the each frequency domain resource of the carrier is indicated by at least one of the second type of cell common UL/DL information, the second type of UE-specific UL/DL information, and the second type of dynamic UL/DL information.

9 . The method of claim 2 , wherein performing signal transmission on the frequency domain resources for UL or signal reception on the frequency domain resources for DL comprises:

determining frequency domain resource parameters for DL reception or UL transmission according to a first bandwidth (BW1), in case that a bandwidth for DL transmission, or a bandwidth for UL transmission, or a bandwidth for DL transmission and flexible transmission, or a bandwidth for UL transmission and flexible transmission within a BWP bandwidth determined according to the second type of UE-specific UL/DL information is the BW1, or

determining frequency domain resource parameters for DL reception or UL transmission according to a second bandwidth (BW2), in case that the bandwidth for DL transmission, or the bandwidth for UL transmission, or the bandwidth for DL transmission and flexible transmission, or the bandwidth for UL transmission and flexible transmission within the BWP bandwidth determined according to the second type of cell common UL/DL information is the BW2, or

determining frequency domain resource parameters for DL reception or the UL transmission according to a third bandwidth (BW3), in case that the bandwidth for DL transmission, or the bandwidth for UL transmission, or the bandwidth for DL transmission and flexible transmission, or the bandwidth for UL transmission and flexible transmission within the BWP bandwidth determined according to the second type of dynamic UL/DL information is the BW3.

10 . The method of claim 9 ,

wherein frequency domain resources allocated by the base station for physical DL shared channel (PDSCH) or physical uplink shared channel (PUSCH) are limited within the BW1, or

wherein the frequency domain resources allocated by the base station for the PDSCH or the PUSCH are limited within the BW2, or

wherein a transmission bandwidth configured by the base station for channel state information-reference signal (CSI-RS) or sounding reference signal (SRS) is limited within the BW1, or

wherein in case that at least part of the transmission bandwidth of the CSI-RS or the SRS is located outside of the BW1, the CSI-RS outside of the BW1 is not received by the UE, or the SRS outside of the BW1 is not transmitted by the UE, or,

wherein in case that at least part of the transmission bandwidth of the CSI-RS or the SRS based on configuration is located outside of the BW3, the CSI-RS outside of the BW3 is not received by the UE, or the SRS outside of the BW3 is not transmitted by the UE, or the CSI-RS is not received by the UE, or the SRS is not transmitted by the UE, or

wherein in case that at least part of the transmission bandwidth of the PDSCH, the PUSCH, physical uplink control channel (PUCCH) or physical random access channel (PRACH) based on configuration is located outside of the BW3, the PDSCH, the PUSCH, the PUCCH or the PRACH outside of the BW3 is not received or transmitted by the UE, or, the PDSCH, the PUSCH, the PUCCH or the PRACH is not received or transmitted by the UE, or

wherein in case that at least part of the transmission bandwidth of the PDSCH, the PUSCH, the PUCCH or the PRACH based on configuration is located outside of the BW3, the frequency domain resources outside of the BW3 are not mapped to by way of rate matching or puncturing, and

wherein the determining of the frequency domain resource parameters for DL reception or UL transmission comprises:

determining a resource block group (RBG) size according to the BW1in case that frequency domain resources of the PDSCH or the PUSCH are allocated based on the RBG, or

determining a RBG size of the PDSCH or the PUSCH scheduled by downlink control information (DCI) located in a UE-specific search space according to the BW 1 , and determining a RBG size of the PDSCH or the PUSCH scheduled by DCI located in a common search space according to the BWP bandwidth, or

determining a RBG size of the PDSCH or the PUSCH scheduled by normal DCI according to the BW1, and determining a RBG size of the PDSCH or the PUSCH scheduled by fallback DCI according to the BWP bandwidth, or

determining the RBG size of the PDSCH or the PUSCH scheduled by the DCI located in the UE-specific search space according to the BW1, and determining the RBG size of the PDSCH or the PUSCH scheduled by the DCI located in the common search space according to the BW2, or

determining the RBG size of the PDSCH or the PUSCH scheduled by the normal DCI according to the BW1, and determining the RBG size of the PDSCH or the PUSCH scheduled by the fallback DCI according to the BW2.or

determining an interleaving depth according to the BW1 when the frequency domain resources of the PDSCH or the PUSCH are allocated based on interleaving, or,

determining an interleaving depth of the PDSCH or the PUSCH scheduled by the DCI located in the UE-specific search space according to the BW 1 , and determining an interleaving depth of the PDSCH or the PUSCH scheduled by the DCI located in the common search space according to the BWP bandwidth, or

determining an interleaving depth of the PDSCH or the PUSCH scheduled by the normal DCI according to the BW1, and determining an interleaving depth of the PDSCH or the PUSCH scheduled by the fallback DCI according to the BWP bandwidth, or

determining the interleaving depth of the PDSCH or the PUSCH scheduled by the DCI located in the UE-specific search space according to the BW1, and determining the interleaving depth of the PDSCH or the PUSCH scheduled by the DCI located in the common search space according to the BW2, or

determining the interleaving depth of the PDSCH or the PUSCH scheduled by the normal DCI according to the BW1, and determining the interleaving depth of the PDSCH or the PUSCH scheduled by the fallback DCI according to the BW2.

11 . The method of claim 1 , wherein performing of signal transmission on the frequency domain resources for UL or signal reception on the frequency domain resources for DL comprises:

when at least part of the frequency domain resources in a group of Physical Resource Blocks (PRB) are UL resources, the group of PRBs are not configured as a Control Resource Set (CORESET) frequency domain resource by the base station, or

when at least part of frequency domain resources in one Physical Downlink Control Channel (PDCCH) candidate are the UL resources, the one PDCCH candidate is not monitored by the UE, or

when at least part of frequency domain resources in one PDCCH candidate are the UL resources or flexible resources, the one PDCCH candidate is not monitored by the UE, or

when at least part of frequency domain resources in one group of PRBs are frequency domain resources that are not used for transmitting and receiving signals, the one group of PRBs are not configured as CORESET frequency domain resources by the base station, or

when at least part of the frequency domain resources in one PDCCH candidate are frequency domain resources that are not used for transmitting and receiving signals, the one PDCCH candidate is not monitored by the UE.

12 . The method of claim 1 , wherein transmission starting point related to frequency hopping in the symbol is determined based on the second configuration information.

13 . A method performed by a base station in a wireless communication system, the method comprising:

transmitting first configuration information indicating that a symbol is an uplink (UL) symbol or a downlink (DL) symbol;

transmitting second configuration information for identifying which frequency domain resource is for UL and which frequency domain resource is for DL in a symbol; and

performing signal reception on frequency domain resources for UL and signal transmission on frequency domain resources for DL in the symbol, based on the first configuration information and the second configuration information.

14 . A base station in a wireless communication, the base station comprising:

a transceiver; and

at least one processor coupled to the transceiver,

wherein the at least one processor is configured to:

transmit first configuration information indicating that a symbol is an uplink (UL) symbol or a downlink (DL) symbol,

transmit second configuration information for identifying which frequency domain resource is for UL and which frequency domain resource is for DL in a symbol, and

perform signal reception on frequency domain resources for UL and signal transmission on frequency domain resources for DL in the symbol, based on the first configuration information and the second configuration information.

15 . A user equipment (UE) in a wireless communication system, the UE comprising:

a transceiver; and

at least one processor coupled to the transceiver,

wherein the at least one processor is configured to:

receive, from a base station, first configuration information indicating that a symbol is an uplink (UL) symbol or a downlink (DL) symbol,

receive, from the base station, second configuration information resource is for UL and which frequency domain resource is for DL in the symbol,

identify frequency domain resources for UL and frequency domain resources for DL in the symbol based on the first configuration information and the second configuration information, and

perform signal transmission on the frequency domain resources for UL or signal reception on the frequency domain resources for DL, in the or symbol.

16 . The UE of claim 15 ,

wherein the first configuration information and the second configuration information include at least one of cell common UL/DL information, UE-specific UL/DL information, and dynamic UL/DL information,

wherein the cell common UL/DL information includes a first type of cell common UL/DL information and a second type of cell common UL/DL information,

wherein the UE-specific UL/DL information includes a first type of UE-specific UL/DL information and/or a second type of UE-specific UL/DL information,

wherein the dynamic UL/DL information includes a first type of dynamic UL/DL information and/or a second type of dynamic UL/DL information,

wherein the first type of cell common UL/DL information, the first type of UE- specific UL/DL information and the first type of dynamic UL/DL information include information on UL/DL configuration, and are used to indicate that one slot/symbol is an UL slot/symbol, a DL slot/symbol or a flexible slot/symbol, wherein the UL/DL configuration of all frequency domain resources in each slot/symbol are the same, and

wherein the second type of cell common UL/DL information, the second type of UE-specific UL/DL information and the second type of dynamic UL/DL information include information on UL/DL configuration, and are used to indicate that each frequency domain resource of one slot/symbol is an UL transmission resource, a DL transmission resource, or a flexible transmission resource.

17 . The UE of claim 16 ,

wherein the second type of cell common UL/DL information, the second type of UE-specific UL/DL information, and the second type of dynamic UL/DL information are used to indicate UL/DL configuration of each frequency domain resource in a carrier where a cell is located, or

wherein the second type of UE-specific UL/DL information and the second type of dynamic UL/DL information are used to indicate UL/DL configuration of configured bandwidth parts (BWPs),

wherein the UL/DL configuration of different BWPs are configured separately,

wherein the UL/DL configuration of each frequency domain resource of one slot/symbol in one BWP is configured separately,

wherein UL/DL configurations of different frequency domain resources are not conflicting, or UL/DL configurations of different frequency domain resources are conflicting, and

wherein the confliction means that UL configuration and DL configuration appear simultaneously in the UL/DL configurations of different frequency domain resources.

18 . The UE according to claim 16 ,

wherein frequency domain resources indicated by the second type of cell common UL/DL configuration are configured as DL reception by the first type of cell common UL/DL configuration, or

wherein, in a specific slot/symbol, all frequency domain resources are configured with the same UL/DL configuration, or

wherein, in the specific slot/symbol, different frequency domain resources are not configured with conflicting UL/DL configurations, or

wherein, in the specific slot/symbol, a specific frequency domain resource is configured with a specific UL/DL configuration.

19 . The UE of claim 16 , wherein the at least one processor is configured to:

determine UL/DL configurations of frequency domain resources in the slot or symbol, according to the second type of cell common UL/DL information or according to the first type of cell common UL/DL information and the second type of cell common UL/DL information, or

determine UL/DL configurations of frequency domain resources of a carrier where a serving cell is located according to the second type of UE-specific UL/DL information and the first type of cell common UL/DL information, or

determine UL/DL configurations of frequency domain resources of the carrier where the serving cell is located only according to the second type of UE-specific UL/DL information.

Assignments (1)

Priority Claims (2)

Continuity (1)

References Cited (31)