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WO2024187425A1 - Procédé et appareil de détermination de ressources, procédé et appareil d'indication de ressources, et support de stockage - Google Patents

Procédé et appareil de détermination de ressources, procédé et appareil d'indication de ressources, et support de stockage Download PDF

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Publication number
WO2024187425A1
WO2024187425A1 PCT/CN2023/081723 CN2023081723W WO2024187425A1 WO 2024187425 A1 WO2024187425 A1 WO 2024187425A1 CN 2023081723 W CN2023081723 W CN 2023081723W WO 2024187425 A1 WO2024187425 A1 WO 2024187425A1
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WO
WIPO (PCT)
Prior art keywords
frequency domain
bwp
domain resource
resource range
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2023/081723
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English (en)
Chinese (zh)
Inventor
吴世娟
王磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to PCT/CN2023/081723 priority Critical patent/WO2024187425A1/fr
Priority to CN202380008611.8A priority patent/CN116602036A/zh
Publication of WO2024187425A1 publication Critical patent/WO2024187425A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0457—Variable allocation of band or rate

Definitions

  • the present disclosure relates to the field of communications, and in particular to a resource determination, resource indication method and device, and a storage medium.
  • the frequency domain resources occupied by a bandwidth part can be indicated by the network side device based on the resource indication value (RIV).
  • RIV resource indication value
  • the embodiments of the present disclosure provide a resource determination, resource indication method and device, and a storage medium.
  • a resource determination method is provided, the method being executed by a terminal and comprising:
  • a second frequency domain resource range occupied by the first subband is determined.
  • the first BWP is an initial BWP.
  • the index value of the first BWP is n; wherein n is an integer greater than or equal to 0.
  • the method further comprises any of the following:
  • n is determined based on a predefined method.
  • determining, based on the first frequency domain resource range, a second frequency domain resource range occupied by the first subband includes any one of the following:
  • the second frequency domain resource range is smaller than the first frequency domain resource range.
  • the method further comprises any of the following:
  • determining to perform data transmission in the first direction on the first sub-band In response to determining that the BWP corresponding to the first direction and having an index value of n is in an activated state, determining to perform data transmission in the first direction on the first sub-band; wherein the first direction is a direction in which the first sub-band is configured to perform data transmission;
  • the method further comprises any of the following:
  • the BWP corresponding to the second direction In response to determining that the BWP corresponding to the second direction is in an activated state, determining not to perform data transmission in the first direction on the first sub-band; wherein the first direction is a direction in which the first sub-band is configured to perform data transmission, and the second direction is opposite to the first direction;
  • a resource indication method is provided, the method being executed by a base station and comprising:
  • first configuration information for a partial bandwidth BWP to a terminal; wherein the first configuration information is used to configure a first frequency domain resource range occupied by the first BWP, and the first configuration information is also used by the terminal to determine a second frequency domain resource range occupied by a first subband based on the first frequency domain resource range.
  • the first BWP is an initial BWP.
  • the first BWP is a BWP with an index value of n; wherein n is an integer greater than or equal to 0.
  • the method further comprises any of the following:
  • n is determined based on a predefined method.
  • the second frequency domain resource range is the same as the first frequency domain resource range;
  • the second frequency domain resource range is smaller than the first frequency domain resource range.
  • the method further comprises any of the following:
  • the terminal In response to determining that the BWP corresponding to the first direction and having an index value of n is in an activated state, determining that the terminal performs data transmission in the first direction on the first subband; wherein the first direction is a direction in which the first subband is configured to perform data transmission;
  • the third frequency domain resources occupied by the BWP with an index value of m are within the range of the second frequency domain resources, and determining that the terminal performs data transmission in the first direction on the first subband.
  • the method further comprises any of the following:
  • the terminal In response to determining that the BWP corresponding to the second direction is in an activated state, determining that the terminal does not perform data transmission in a first direction on the first sub-band; wherein the first direction is a direction in which the first sub-band is configured to perform data transmission, and the second direction is opposite to the first direction;
  • the third frequency domain resources occupied by the BWP with an index value of m are outside the range of the second frequency domain resources, and it is determined that the terminal does not perform data transmission in the first direction on the first subband.
  • a resource determination device is provided, where the device is applied to a terminal and includes:
  • a receiving module configured to receive first configuration information for a partial bandwidth BWP sent by a base station
  • a first determining module is configured to determine a first frequency domain resource range occupied by a first BWP based on the first configuration information
  • the second determination module is configured to determine a second frequency domain resource range occupied by the first subband based on the first frequency domain resource range.
  • a resource indication device is provided, where the device is applied to a base station and includes:
  • a sending module is configured to send first configuration information for a partial bandwidth BWP to a terminal; wherein the first configuration information is used to configure a first frequency domain resource range occupied by the first BWP, and the first configuration information is also used by the terminal to determine a second frequency domain resource range occupied by a first sub-band based on the first frequency domain resource range.
  • a computer-readable storage medium wherein the storage medium stores a computer program, and the computer program is used to execute any one of the resource determination methods described above.
  • a computer-readable storage medium wherein the storage medium stores a computer program, and the computer program is used to execute any one of the resource indication methods described above.
  • a resource determination device including:
  • a memory for storing processor-executable instructions
  • the processor is configured to execute any one of the resource determination methods described above.
  • a resource indication device including:
  • a memory for storing processor-executable instructions
  • the processor is configured to execute any one of the resource indication methods described above.
  • a terminal may receive first configuration information for a BWP sent by a base station, and after determining a first frequency domain resource range occupied by a first BWP based on the first configuration information, a second frequency domain resource range occupied by a first subband may be determined based on the first frequency domain resource range.
  • the present disclosure may determine a frequency domain resource range occupied by a subband based on the first configuration information for a BWP, thereby reducing changes to the standard, saving signaling resources of a base station, and having high availability.
  • Fig. 1 is a schematic diagram showing a sub-band configuration according to an exemplary embodiment.
  • Fig. 2 is a schematic flow chart of a resource determination method according to an exemplary embodiment.
  • Fig. 3 is a schematic flow chart of another resource determination method according to an exemplary embodiment.
  • Fig. 4 is a schematic flow chart of a resource indication method according to an exemplary embodiment.
  • Fig. 5 is a schematic flow chart of another resource indication method according to an exemplary embodiment.
  • Fig. 6 is a schematic flow chart of a resource indication and resource determination method according to an exemplary embodiment.
  • Fig. 7 is a schematic flow chart of another resource indication and resource determination method according to an exemplary embodiment.
  • Fig. 8A is a schematic diagram showing a resource indication scenario according to an exemplary embodiment.
  • Fig. 8B is a schematic diagram showing another resource indication scenario according to an exemplary embodiment.
  • Fig. 9 is a block diagram of a resource determination device according to an exemplary embodiment.
  • Fig. 10 is a block diagram of a resource indication device according to an exemplary embodiment.
  • Fig. 11 is a schematic structural diagram of a resource determination device according to an exemplary embodiment of the present disclosure.
  • Fig. 12 is a schematic structural diagram of a resource indication device according to an exemplary embodiment of the present disclosure.
  • first, second, third, etc. may be used in the present disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • word "if” as used herein may be interpreted as "at the time of” or "when” or "in response to determining”.
  • Release-18 supports subband-based full-duplex operation.
  • the base station can configure a subband on a downlink slot (DL slot).
  • the transmission direction of the subband is configured as uplink, and the terminal is scheduled to transmit uplink data on the subband, as shown in Figure 1.
  • the frequency domain resources occupied by BWP can be configured through RIV.
  • the network-side equipment also configures the frequency domain resources occupied by the sub-band through RIV, new signaling overhead will be added, and it may be necessary to clarify whether the configured frequency domain resources are BWP or sub-band, which is a major change to the standard.
  • the present disclosure provides a resource determination, resource indication method and device, and a storage medium.
  • the present disclosure provides a resource determination method, as shown in FIG2 , which is a flow chart of a resource determination method according to an embodiment, which can be executed by a terminal.
  • the method may include the following steps:
  • step 201 first configuration information for a partial bandwidth BWP sent by a base station is received.
  • a terminal may receive first configuration information for a BWP sent by a base station, and the first configuration information may indicate a first frequency domain resource range occupied by a first BWP in a RIV manner.
  • the terminal may determine the first frequency domain resource range occupied by the first BWP based on serving cell common configuration (ServingCellConfigCommon) information used to configure the cell common BWP.
  • servingCellConfigCommon serving cell common configuration
  • the terminal may determine the first frequency domain resource range occupied by the first BWP based on serving cell configuration (ServingCellConfig) information used to configure the terminal-specific BWP.
  • ServingCellConfig serving cell configuration
  • the terminal may determine the first frequency domain resource range occupied by the first BWP based on the ServingCellConfigCommon information and the ServingCellConfig information.
  • a specific RIV value may be indicated in the first configuration information sent by the base station, and the terminal may subsequently determine a starting RB index value and a continuous RB number corresponding to the RIV value indicated in the first configuration information based on a preset correspondence between different RIV values and different starting resource block (RB) index values and continuous RB numbers.
  • RB resource block
  • the terminal determines the first frequency domain resource range occupied by the first BWP based on taking the RB corresponding to the starting RB index value as the starting RB of the first BWP, and the number of RBs included in the first BWP is equal to the number of continuous RBs.
  • step 202 based on the first configuration information, a first frequency domain resource range occupied by the first BWP is determined.
  • the terminal may determine the first frequency domain resource range occupied by the first BWP based on the first configuration information for the BWP sent by the base station.
  • the first BWP is a BWP associated with the first subband, and subsequently, the second frequency domain resource range occupied by the first subband needs to be determined based on the first frequency domain resource range occupied by the first BWP.
  • the first BWP is an uplink BWP, and/or the first BWP is a downlink BWP.
  • the first BWP is an initial BWP.
  • the initial BWP is an earliest activated BWP configured by the base station after the terminal accesses the base station.
  • the index value of the first BWP is equal to 0.
  • the terminal may determine the first frequency domain resource range occupied by the initial BWP based on the ServingCellConfigCommon information.
  • the initial BWP includes an initial uplink BWP
  • the terminal may determine the first frequency domain resource range occupied by the initial uplink BWP based on a common uplink BWP (BWP-UplinkCommon) field included in the ServingCellConfigCommon information.
  • BWP-UplinkCommon a common uplink BWP
  • the initial BWP includes an initial downlink BWP
  • the terminal may determine the first frequency domain resource range occupied by the initial downlink BWP based on a common downlink BWP (BWP-DownlinkCommon) field included in the ServingCellConfigCommon information.
  • BWP-DownlinkCommon a common downlink BWP
  • the terminal may jointly determine the first frequency domain resource range occupied by the initial BWP based on the ServingCellConfigCommon information and the ServingCellConfig information.
  • the initial BWP includes an initial uplink BWP
  • the terminal can jointly determine the first frequency domain resource range occupied by the initial uplink BWP based on the BWP-UplinkCommon field included in the ServingCellConfigCommon information and the uplink dedicated BWP (BWP-Uplinkdedicated) field included in the ServingCellConfig information.
  • the initial BWP includes an initial downlink BWP
  • the terminal can jointly determine the first frequency domain resource range occupied by the initial downlink BWP based on the BWP-DownlinkCommon field included in the ServingCellConfigCommon information and the downlink dedicated BWP (BWP-Downlinkdedicated) field included in the ServingCellConfig information.
  • the first BWP is a BWP with an index value of n, where n is an integer greater than or equal to 0.
  • the terminal performs uplink transmission on the first subband
  • the first BWP may be an uplink BWP with an index value of n.
  • the terminal performs downlink transmission on the first subband
  • the first BWP may be a downlink BWP with an index value of n.
  • the terminal may determine the first frequency domain resource range occupied by the BWP with an index value of n based on the ServingCellConfigCommon information.
  • the terminal may determine the first frequency domain resource range occupied by the BWP with an index value of n based on the ServingCellConfig information.
  • the terminal may receive the second configuration information sent by the base station, thereby determining the index value of the first BWP, that is, determining the value of n.
  • the second configuration information can be sent to the terminal through radio resource control (Radio Resource Control, RRC) signaling, medium access control unit (Medium Access Control Element, MAC CE) signaling, downlink control information (Downlink Control Information, DCI), etc.
  • RRC Radio Resource Control
  • MAC CE Medium Access Control Element
  • DCI Downlink Control Information
  • the terminal may determine the value of n based on a predefined method, such as a method agreed upon in a protocol.
  • the value of n may be directly agreed upon by the protocol, for example, the protocol agrees that the value of n is 1, or the protocol agrees that the value of n is other non-negative integer values, for example, the protocol agrees that the value of n is 0, 2, or other numerical values.
  • the value of n may be agreed upon by the protocol to be the minimum index value or the maximum index value of the BWP configured for the serving cell.
  • the minimum index value of the BWP configured in the serving cell is 0, and the terminal determines that the value of n is 0.
  • the minimum index value of the BWP configured in the serving cell is 4, and the terminal determines that the value of n is 4.
  • the maximum number of BWPs supported by the terminal may be 5.
  • step 203 based on the first frequency domain resource range, a second frequency domain resource range occupied by the first sub-band is determined.
  • the time domain resources occupied by the first subband may be located within the first time unit.
  • the transmission direction of the first time unit may be a second direction, which is opposite to the first direction, and the first direction is a direction in which the first subband is configured for data transmission, or the first time unit may be a flexible time unit.
  • the first time unit may be a time slot, a symbol, or a span.
  • a span may include multiple consecutive symbols, which is not limited in the present disclosure.
  • the first subband is configured to perform uplink data transmission
  • the first time unit may be a downlink slot, or may be a flexible slot.
  • the solution of the present disclosure is not limited to a full-duplex communication scenario, that is, the transmission direction of the first time unit may also be the same as the first direction.
  • the first subband is configured to perform uplink data transmission
  • the first time unit may be an uplink slot.
  • the terminal When determining the second frequency domain resource range occupied by the first subband, in a possible implementation manner, the terminal directly determines that the second frequency domain resource range occupied by the first subband is the same as the first frequency domain resource range.
  • the terminal determines that the second frequency domain resource range occupied by the first subband includes all RBs in the first frequency domain resource range.
  • the terminal may also determine that the second frequency domain resource range occupied by the first subband partially overlaps with the first frequency domain resource range, and the number of RBs included in both is the same, which is not limited in the present disclosure.
  • the terminal determines that the second frequency domain resource range occupied by the first subband is smaller than the first frequency domain resource range.
  • the terminal determines that the second frequency domain resource range is smaller than the first frequency domain resource range, and the second frequency domain resource range is within the first frequency domain resource range.
  • the terminal can determine the second frequency domain resource range occupied by the first subband within the first frequency domain resource range based on a predefined method such as a protocol agreement, or based on resource indication information sent by the base station.
  • the resource indication information may at least be used to indicate an offset of a starting resource block RB of the first subband relative to a starting RB of the first frequency domain resource range.
  • the protocol stipulates that the offset of the starting RB of the first subband relative to the starting RB of the first BWP is L, the index value of the starting RB of the first BWP is N, and the terminal determines the starting RB index value of the first subband to be (N+L), where L is a positive integer.
  • the terminal determines that the second frequency domain resource range occupied by the first subband includes an RB with an index value of (N+m) to a termination RB of the first BWP.
  • the base station configures the second subband for receiving uplink data from the terminal in the first time unit.
  • the terminal considering that the terminal can only perform uplink data transmission within the frequency domain range of the BWP in the activated state, it can be determined that the second frequency domain resource range occupied by the first subband is within the frequency domain range occupied by the BWP in the activated state, and the frequency domain resource capable of uplink transmission is the frequency domain intersection of the first subband and the second subband.
  • the transmission direction of the first time unit here can be a second direction, the second direction is opposite to the first direction, and the first direction is the direction in which the first subband is configured for data transmission, or the first time unit can be a flexible time unit.
  • the protocol may stipulate the ratio of the number of RBs included in the second frequency domain resource range to the number of RBs included in the first frequency domain resource range.
  • the protocol stipulates that the offset of the starting RB of the first subband relative to the starting RB of the first BWP is 0. Assuming that the ratio is 1:2, that is, the number of RBs included in the second frequency domain resource range is half of the number of RBs included in the first frequency domain resource range, the index value of the starting RB of the first BWP is N, and the number of RBs included in the first frequency domain resource range is S, then the terminal can determine that the second frequency domain resource range occupied by the first subband includes RBs from RBs with index value N to (N+S/2).
  • the ratio of the number of RBs included in the second frequency domain resource range to the number of RBs included in the first frequency domain resource range can be agreed upon by the protocol.
  • the protocol stipulates that the offset of the starting RB of the first subband relative to the starting RB of the first BWP is 0.
  • the terminal can determine that the number of RBs occupied by the first subband is equal to in, is a rounding function; or, the number of RBs occupied by the first subband is equal to in, is the ceiling function.
  • BWP generally starts with Common Resource Block (CRB) #0.
  • CRB Common Resource Block
  • the starting RB position of the first BWP when determining the second frequency domain resource range occupied by the first sub-band, can be used as a reference position to determine the corresponding offset, and the number of continuous RBs can be based on the ratio of the number of RBs included in the second frequency domain resource range to the number of RBs included in the first frequency domain resource range and the number of RBs included in the first frequency domain resource range, by rounding down or rounding up operations to determine the second frequency domain range of the first sub-band.
  • the present disclosure is not limited to this.
  • the starting RB position and the number of continuous RBs of the first subband may be determined in a predefined manner, such as directly agreed upon by a protocol, or may be configured by a base station, which is not limited in the present disclosure.
  • the base station sends resource indication information to the terminal, where the resource indication information is used to indicate the above offset and/or the number of RBs occupied by the first subband, and the terminal can determine the second frequency domain resource range in a similar manner as described above.
  • the base station sends resource indication information indicating the RIV value.
  • the terminal determines the starting RB index value and the number of continuous RBs of the first subband corresponding to the RIV value based on a preset correspondence between different RIV values and different starting RB index values and continuous RB numbers, thereby determining the second frequency domain resource range.
  • the terminal determines that at least part of the second frequency domain resources may be located outside the range of the first frequency domain resources.
  • the protocol stipulates the offset of the starting resource block RB of the first subband relative to the starting RB of the first frequency domain resource range, and stipulates the number of RBs included in the second frequency domain resource range. Assuming that the first frequency domain resource range includes 6 RBs with index values from 0 to 5, the second frequency domain resource range includes 4 RBs, and the offset relative to the starting RB of the first frequency domain resource range is 4, then the second frequency domain resource range includes RBs with index values 4 to 7. Among them, the RB with index value 7 is outside the first frequency domain resource range.
  • the base station sends resource indication information, and the resource indication information is used to indicate the offset of the starting resource block RB of the first subband relative to the starting RB of the first frequency domain resource range, and the number of RBs occupied by the first subband is determined based on the number of RBs included in the first frequency domain resource range.
  • the first frequency domain resource range includes 6 RBs with index values from 0 to 5
  • the second frequency domain resource range includes 5 RBs
  • the offset relative to the starting RB of the first frequency domain resource range is 4
  • the second frequency domain resource range includes RBs with index values 4 to 8.
  • the RBs with index values 7 and 8 are located outside the first frequency domain resource range.
  • the frequency domain resource range occupied by the subband can be determined based on the first configuration information for the BWP, thereby reducing the change to the standard, saving the signaling resources of the base station, and having high availability.
  • FIG. 3 is a flow chart of a resource determination method according to an embodiment, which can be executed by a terminal. The method may include the following steps:
  • step 301 it is determined whether to perform data transmission in a first direction on the first sub-band.
  • the first sub-band is configured to perform data transmission in a first direction.
  • Condition 1 The terminal determines a second frequency domain resource range occupied by the first subband.
  • the terminal is in the first time unit and the terminal supports full-duplex communication.
  • the transmission direction of the first time unit may be a second direction, the second direction is opposite to the first direction, the first direction is the direction in which the first subband is configured for data transmission, or the first time unit may be a flexible time unit.
  • Condition 3 the first subband is in an activated state, and/or the terminal is configured to perform data transmission in a first direction.
  • the terminal can perform data transmission in the first direction on the first subband when the above steps 201 to 203 are adopted, and the terminal is in the first time unit in the above full-duplex communication scenario, and the terminal supports full-duplex communication, that is, when the above conditions 1 and 2 are met, the terminal determines that the following conditions are also met:
  • the terminal in response to determining that the BWP corresponding to the first direction and with an index value of n is in an activated state, it is determined to perform data transmission in the first direction on the first subband.
  • the terminal when the transmission direction is the same as the first direction and the BWP with an index value of n is in an activated state, the terminal can determine that the first subband is in an activated state, and data transmission in the first direction can be performed on the first subband.
  • the terminal determines to perform uplink data transmission on the first subband. Specifically, the terminal sends uplink data to the base station on the first subband.
  • the terminal determines that the first subband is in an activated state, and downlink data transmission can be performed on the first subband. Specifically, the terminal receives downlink data on the first subband.
  • the terminal may determine not to transmit data in the first direction on the first subband when the following conditions are met:
  • the first direction is a direction in which the first subband is configured to perform data transmission, and the second direction is opposite to the first direction.
  • the first subband is configured for downlink data transmission, that is, the first direction is downlink.
  • the terminal determines that the first subband is in a deactivated state. At this time, the terminal will not perform downlink transmission on the first subband.
  • the first subband is configured for uplink data transmission, that is, the first direction is uplink.
  • the second BWP with an index value of m and an uplink transmission direction is in an activated state
  • m and n may be equal or unequal, but the third frequency domain resources occupied by the second BWP are outside the range of the second frequency domain resources.
  • the terminal determines that the first subband is in a deactivated state, and the terminal will not perform downlink transmission on the first subband.
  • the terminal can determine the transmission direction corresponding to the BWP that is activated in the scheduling time unit based on the scheduling information sent by the base station, such as DCI, MAC CE, RRC signaling, etc.
  • the base station schedules uplink transmission in time unit #1 through DCI, MAC CE, RRC signaling, etc., then the terminal determines that the transmission direction corresponding to the activated BWP in time unit #1 is uplink.
  • the index value of the BWP in the activated state may be dynamically indicated by the base station, or determined by the terminal in a predefined manner, such as a manner agreed upon by a protocol, which is not limited in the present disclosure.
  • step 301 may be performed alone or in combination with the above steps 201 to 203, which is not limited in the present disclosure.
  • the present disclosure provides a resource configuration method, as shown in FIG4 , which is a flow chart of a resource configuration method according to an embodiment, which can be executed by a base station.
  • the method may include the following steps:
  • step 401 first configuration information for a partial bandwidth BWP is sent to a terminal.
  • the base station may send first configuration information for the BWP to the terminal, where the first configuration information is used to configure a first frequency domain resource range occupied by the first BWP.
  • the base station configures a cell-common BWP for the terminal, that is, configures serving cell common configuration (ServingCellConfigCommon) information, so that the terminal determines a first frequency domain resource range occupied by the first BWP based on the ServingCellConfigCommon information.
  • servingCellConfigCommon serving cell common configuration
  • the base station configures a terminal-specific BWP for the terminal, that is, configures serving cell configuration (ServingCellConfig) information, so that the terminal determines the first frequency domain resource range occupied by the first BWP based on the ServingCellConfig information.
  • servingCellConfig serving cell configuration
  • the base station configures ServingCellConfigCommon information and ServingCellConfig information, so that the terminal determines the first frequency domain resource range occupied by the first BWP based on the ServingCellConfigCommon information and the ServingCellConfig information.
  • the specific RIV value may be indicated in the first configuration information for BWP sent by the base station, so that the terminal can determine a starting RB index value and a continuous RB number corresponding to the RIV value indicated in the first configuration information based on a preset correspondence between different RIV values and different starting RB index values and continuous RB numbers.
  • the terminal determines the first frequency domain resource range occupied by the first BWP based on taking the RB corresponding to the starting RB index value as the starting RB of the first BWP, and the number of RBs included in the first BWP is equal to the number of continuous RBs.
  • the first BWP is a BWP associated with the first subband, and the subsequent terminal needs to determine the second frequency domain resource range occupied by the first subband based on the first frequency domain resource range occupied by the first BWP.
  • the first BWP is an uplink BWP, and/or the first BWP is a downlink BWP.
  • the first BWP is an initial BWP.
  • the initial BWP is an earliest activated BWP configured by the base station after the terminal accesses the base station.
  • the index value of the first BWP is equal to 0.
  • the base station configures ServingCellConfigCommon information so that the terminal determines the first frequency domain resource range occupied by the initial BWP.
  • the initial BWP includes an initial uplink BWP
  • the base station configures the BWP-UplinkCommon field included in the ServingCellConfigCommon information, so that the terminal determines the first frequency domain resource range occupied by the initial uplink BWP based on the BWP-UplinkCommon field.
  • the initial BWP includes an initial downlink BWP
  • the base station configures the BWP-DownlinkCommon field included in the ServingCellConfigCommon information, so that the terminal determines the first frequency domain resource range occupied by the initial downlink BWP based on the BWP-DownlinkCommon field.
  • the base station configures ServingCellConfigCommon information and ServingCellConfig information, so that the terminal jointly determines the first frequency domain resource range occupied by the initial BWP based on the two information.
  • the initial BWP includes an initial uplink BWP
  • the base station configures the BWP-UplinkCommon field included in the ServingCellConfigCommon information and the BWP-Uplinkdedicated field included in the ServingCellConfig information, so that the terminal determines the first frequency domain resource range occupied by the initial uplink BWP.
  • the initial BWP includes an initial downlink BWP
  • the base station configures the BWP-DownlinkCommon field included in the ServingCellConfigCommon information and the BWP-Downlinkdedicated field included in the ServingCellConfig information, so that the terminal determines the first frequency domain resource range occupied by the initial downlink BWP.
  • the first BWP is a BWP with an index value of n, where n is an integer greater than or equal to 0.
  • the terminal performs uplink transmission on the first subband
  • the first BWP may be an uplink BWP with an index value of n.
  • the terminal performs downlink transmission on the first subband
  • the first BWP may be a downlink BWP with an index value of n.
  • the base station configures ServingCellConfigCommon information so that the terminal determines a first frequency domain resource range occupied by a BWP with an index value of n.
  • the base station configures ServingCellConfig information so that the terminal determines a first frequency domain resource range occupied by a BWP with an index value of n.
  • the base station sends second configuration information to the terminal, thereby configuring the index value of the first BWP, that is, determining the value of n.
  • the second configuration information can be sent to the terminal via RRC signaling, MAC CE signaling, DCI, etc.
  • the base station may determine the value of n based on a predefined method, such as a method agreed upon by a protocol. The specific method has been introduced on the terminal side and will not be repeated here.
  • the first configuration information for the BWP is also used by the terminal to determine the second frequency domain resource range occupied by the first subband based on the first frequency domain resource range.
  • the terminal may determine the second frequency domain resource range occupied by the first subband based on the first frequency domain resource range occupied by the first BWP.
  • the time domain resources occupied by the first subband may be located within the first time unit.
  • the transmission direction of the first time unit may be opposite to the first direction, where the first direction is the direction in which the first subband is configured to transmit data.
  • the first time unit may be a flexible time unit.
  • the first time unit may be a slot, a symbol, or a span.
  • a span may include multiple consecutive symbols, which is not limited in the present disclosure.
  • the first subband is configured to perform uplink data transmission
  • the first time unit may be a downlink slot, or may be a flexible slot.
  • the solution of the present disclosure is not limited to a full-duplex communication scenario, that is, the transmission direction of the first time unit may also be the same as the first direction.
  • the first subband is configured to perform uplink data transmission
  • the first time unit may be an uplink slot.
  • the terminal When determining the second frequency domain resource range occupied by the first subband, in a possible implementation manner, the terminal directly determines that the second frequency domain resource range occupied by the first subband is the same as the first frequency domain resource range.
  • the terminal may determine that the second frequency domain resource range occupied by the first subband is smaller than the first frequency domain resource range.
  • the terminal determines that the second frequency domain resource range is smaller than the first frequency domain resource range, and the second frequency domain resource range is within the first frequency domain resource range.
  • the terminal determines that at least part of the second frequency domain resources may be located outside the range of the first frequency domain resources.
  • the base station may send resource configuration information to the terminal, so that the terminal determines the second frequency domain resource range occupied by the first subband based on the resource configuration information.
  • the terminal may determine the second frequency domain resource range occupied by the first subband based on a predefined manner, such as a manner agreed upon by a protocol.
  • the way in which the terminal determines the second frequency domain resource range is similar to the way in which the above step 203 is determined, and will not be repeated here.
  • the base station can configure the frequency domain resource range occupied by the subband for the terminal based on the first configuration information for the BWP, thereby reducing the change to the standard, saving the signaling resources of the base station, and having high availability.
  • FIG. 5 is a flow chart of a resource configuration method according to an embodiment, which may be executed by a base station. The method may include the following steps:
  • step 501 it is determined whether a terminal is performing data transmission in a first direction on the first subband.
  • the first sub-band is configured to perform data transmission in a first direction.
  • Condition 1 The terminal determines a second frequency domain resource range occupied by the first subband.
  • the terminal is in the first time unit and the terminal supports full-duplex communication.
  • the transmission direction of the first time unit may be a second direction, the second direction is opposite to the first direction, the first direction is the direction in which the first subband is configured for data transmission, or the first time unit may be a flexible time unit.
  • Condition 3 the first subband is in an activated state, and/or the terminal is configured to perform data transmission in a first direction.
  • the base station determines that the terminal satisfies the above conditions 1 and 2, if the following conditions are also met, the base station determines that the terminal can perform data transmission in the first direction on the first subband:
  • the base station may determine that the first subband is in an activated state, and data transmission in the first direction may be performed on the first subband.
  • the base station determines that the terminal does not transmit data in the first direction on the first subband when determining that the following conditions are met:
  • the first direction is a direction in which the first subband is configured to perform data transmission, and the second direction is opposite to the first direction.
  • n in response to determining that a second BWP corresponding to the first direction and with an index value of m is in an activated state, and a third frequency domain resource occupied by the second BWP is outside the range of the second frequency domain resources, it is determined not to perform data transmission in the first direction on the first subband, m is not equal to n, or m is equal to n.
  • the base station can send scheduling information, such as DCI, MAC CE, RRC signaling, etc. to the terminal, and the base station indicates the transmission direction corresponding to the BWP that is activated in the scheduling time unit based on the scheduling information.
  • scheduling information such as DCI, MAC CE, RRC signaling, etc.
  • the base station For example, if the base station schedules uplink transmission in time unit #1 through DCI, MAC CE, RRC signaling, etc., the base station indicates that the transmission direction corresponding to the activated BWP in time unit #1 is uplink.
  • the index value of the activated BWP may be dynamically indicated by the base station, or determined by the base station in a predefined manner, such as a manner agreed upon by a protocol, which is not limited in the present disclosure.
  • step 501 may be performed alone or in combination with the above step 401, and the present disclosure does not limit this.
  • the base station can determine whether to perform data transmission in the first direction in the first sub-band, thereby improving the flexibility of data transmission through the sub-band and improving the feasibility of full-duplex communication.
  • FIG. 6 is a flow chart of a resource configuration and resource determination method according to an embodiment, comprising the following steps:
  • step 601 the base station sends first configuration information for a partial bandwidth BWP to the terminal.
  • step 601 is similar to that of step 401 above, and will not be repeated here.
  • step 602 the terminal determines a first frequency domain resource range occupied by a first BWP based on the first configuration information.
  • step 602 is similar to that of step 202 above, and will not be described in detail here.
  • step 603 the terminal determines a second frequency domain resource range occupied by the first subband based on the first frequency domain resource range.
  • step 603 is similar to that of step 203 above, and will not be described in detail here.
  • the terminal can determine the frequency domain resource range occupied by the subband based on the first configuration information for the BWP sent by the base station, thereby reducing changes to the standard, saving signaling resources of the base station, and having high availability.
  • FIG. 7 is a flow chart of a resource configuration and resource determination method according to an embodiment, comprising the following steps:
  • step 701 the terminal determines whether to perform data transmission in a first direction on a first subband.
  • step 701 is similar to that of step 301 above, and will not be repeated here.
  • step 702 the base station determines whether the terminal performs data transmission in a first direction on a first subband.
  • step 702 is similar to that of step 501 above, and will not be repeated here.
  • the terminal determines to transmit data in the first direction on the first subband, when the first direction is uplink, the terminal sends uplink data to the base station on the first subband, and the base station receives the uplink data.
  • the base station sends downlink data to the terminal on the first subband, and the terminal receives the downlink data.
  • both the base station and the terminal can determine whether the terminal performs data transmission in the first direction in the first sub-band, thereby improving the flexibility of data transmission through the sub-band and improving the feasibility of full-duplex communication.
  • the terminal is a terminal of Rel-18 or later versions, and the terminal is a terminal that supports full-duplex communication characteristics.
  • the full-duplex communication characteristics here for the terminal means that the terminal can transmit uplink data on the first subband configured on the downlink (DL) or flexible symbol based on the base station.
  • the first subband is configured to perform uplink transmission.
  • the first subband can also be configured on the uplink symbol, which is not limited in the present disclosure.
  • the terminal determines the second frequency domain resources occupied by the first subband based on the uplink initial BWP, that is, the first frequency domain resource range occupied by UL BWP#0, and the specific method includes:
  • Method 1 the terminal receives the ServingCellConfigCommon information sent by the base station, and based on the BWP-Uplink configuration carried therein, determines the first frequency domain resource range occupied by the first BWP, and then determines the first frequency domain resource range as the second frequency domain resource range occupied by the first subband.
  • Method 2 the terminal receives ServingCellConfigCommon information and ServingCellConfig information, and determines the first frequency domain resource range occupied by the first BWP based on the BWP-Uplink configuration carried in the ServingCellConfigCommon information and the BWP-UplinkDedicated configuration carried in the ServingCellConfig information, and then determines the first frequency domain resource range as the second frequency domain resource range occupied by the first subband.
  • the terminal determines the second frequency domain resource range occupied by the first subband based on the initial BWP, that is, BWP#0, and can reduce the impact of the standard on the basis of reusing the existing standard framework as much as possible.
  • Example 2 it is assumed that the terminal is a Rel-18 or later version terminal, and the terminal is a terminal that supports the SBFD feature.
  • the terminal transmits uplink data on the UL subband based on the base station configuration on the DL or flexible symbol.
  • the terminal determines the second frequency domain resource range occupied by the first subband based on the first frequency domain range occupied by the BWP with an index value of n, that is, UL BWP#n (n ⁇ 0), in the following specific ways:
  • n may be determined based on the second configuration information sent by the base station.
  • the terminal can determine the value of n based on RRC signaling, MAC CE, DCI, etc. sent by the base station.
  • the value of n can be determined based on a predefined method, such as a protocol agreement.
  • a protocol agreement such as a protocol agreement.
  • the protocol agrees that the value of n is 1, or for example, the value of n can be the maximum index value or the minimum index value of the BWP configured in the service cell.
  • the terminal determines the second frequency domain resource range occupied by the first subband based on the following method:
  • Mode 1 The terminal determines the first frequency domain resource range occupied by BWP#n based on BWP-UplinkCommon of BWP-Uplink sent by the base station, thereby determining the second frequency domain resource range occupied by the first subband.
  • Mode 2 The terminal determines the first frequency domain resource range occupied by BWP#n based on BWP-UplinkDedicated of BWP-Uplink sent by the base station, thereby determining the second frequency domain resource range occupied by the first subband.
  • the first configuration information of BWP#n corresponding to different terminals may be the same.
  • the full-duplex communication terminal can support the base station to configure 5 or more BWPs at the same time.
  • the terminal determines the second frequency domain resource range occupied by the first subband based on the first frequency domain resource range occupied by the BWP with an index value of n, and can reduce the impact of the standard on the basis of reusing the existing standard framework as much as possible.
  • the terminal is a terminal of Rel-18 or later versions and supports the SBFD feature.
  • the terminal transmits uplink data on the first subband based on the configuration of the base station on the DL or flexible symbol.
  • the terminal may determine the second frequency domain resource range occupied by the first sub-band based on the methods corresponding to Embodiment 1 and Embodiment 2, or based on other methods, which will not be elaborated in the present invention.
  • the terminal determines whether the first subband is in an activated state based on the following rules:
  • Method 1 Based on the methods of Embodiment 1 and Embodiment 2, it is determined that the frequency domain resources occupied by the first subband are configured based on the BWP with an index value of n. Correspondingly, if it is determined that the uplink BWP#n is in an activated state in the first time unit, it is determined that the first subband is in an activated state. The terminal transmits uplink data on the first subband.
  • Method 2 If the terminal determines that the uplink BWP#m is in an activated state in the first time unit, and the third frequency domain resources occupied by the uplink BWP#m are within the range of the second frequency domain resources occupied by the first subband, then it is determined that the first subband is in an activated state, and the terminal transmits uplink data on the first subband.
  • Method 3 If the terminal determines that any downlink BWP is in an activated state in the first time unit, and there is no uplink BWP that meets the corresponding conditions of method 1 and method 2, the terminal determines that the first subband is in a deactivated state, and the terminal does not transmit uplink data on the first subband. Accordingly, the terminal can perform downlink data transmission on the downlink BWP.
  • Method 4 If the terminal determines that the uplink BWP#m is in an activated state in the first time unit, but the third frequency domain resources occupied by the uplink BWP#m are outside the range of the second frequency domain resources occupied by the first subband, the terminal determines that the first subband is in a deactivated state, and the terminal does not transmit uplink data on the first subband.
  • the terminal jointly determines the activation status of the corresponding subband based on the BWP framework and subband, and achieves consistent understanding between the base station and the terminal while minimizing the impact of the standard.
  • the present disclosure also provides an application function implementation device embodiment.
  • FIG. 9 is a block diagram of a resource determination device according to an exemplary embodiment, wherein the device is applied to a terminal and includes:
  • the receiving module 901 is configured to receive first configuration information for a partial bandwidth BWP sent by a base station;
  • a first determining module 902 is configured to determine a first frequency domain resource range occupied by a first BWP based on the first configuration information
  • the second determination module 903 is configured to determine a second frequency domain resource range occupied by the first subband based on the first frequency domain resource range.
  • FIG. 10 is a block diagram of a resource indication device according to an exemplary embodiment, wherein the device is applied to a base station and includes:
  • the sending module 1001 is configured to send first configuration information for a partial bandwidth BWP to a terminal; wherein the first configuration information is used to configure a first frequency domain resource range occupied by the first BWP, and the first configuration information is also used by the terminal to determine a second frequency domain resource range occupied by a first subband based on the first frequency domain resource range.
  • the relevant parts can be referred to the partial description of the method embodiments.
  • the device embodiments described above are only illustrative, wherein the units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual conditions to achieve the purpose of the disclosed solution. A person skilled in the art may understand and implement the solution without creative work.
  • the present disclosure further provides a computer-readable storage medium, wherein the storage medium stores a computer program, and the computer program is used to execute any of the resource determination methods described above.
  • the present disclosure further provides a computer-readable storage medium, wherein the storage medium stores a computer program, and the computer program is used to execute any of the resource indication methods described above.
  • a resource determination device comprising:
  • a memory for storing processor-executable instructions
  • the processor is configured to execute any of the resource determination methods described above.
  • Fig. 11 is a block diagram of a resource determination device 1100 according to an exemplary embodiment.
  • the device 1100 may be a terminal such as a mobile phone, a tablet computer, an e-book reader, a multimedia player, a wearable device, a vehicle-mounted user device, an iPad, a smart TV, etc.
  • device 1100 may include one or more of the following components: a processing component 1102 , a memory 1104 , a power component 1106 , a multimedia component 1108 , an audio component 1110 , an input/output (I/O) interface 1112 , a sensor component 1116 , and a communication component 1118 .
  • a processing component 1102 may include one or more of the following components: a processing component 1102 , a memory 1104 , a power component 1106 , a multimedia component 1108 , an audio component 1110 , an input/output (I/O) interface 1112 , a sensor component 1116 , and a communication component 1118 .
  • a processing component 1102 may include one or more of the following components: a processing component 1102 , a memory 1104 , a power component 1106 , a multimedia component 1108 , an audio component 1110 , an input/output (I/O) interface 1112 , a sensor component 1116 , and a communication
  • the processing component 1102 generally controls the overall operation of the device 1100, such as operations associated with display, phone calls, random access to data, camera operations, and recording operations.
  • the processing component 1102 may include one or more processors 1120 to execute instructions to complete all or part of the steps of the resource determination method described above.
  • the processing component 1102 may include one or more modules to facilitate the interaction between the processing component 1102 and other components.
  • the processing component 1102 may include a multimedia module to facilitate the interaction between the multimedia component 1108 and the processing component 1102.
  • the processing component 1102 can read executable instructions from a memory to implement the steps of a resource determination method provided in the above embodiments.
  • the memory 1104 is configured to store various types of data to support operations on the device 1100. Examples of such data include instructions for any application or method operating on the device 1100, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 1104 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power supply component 1106 provides power to the various components of the device 1100.
  • the power supply component 1106 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the device 1100.
  • the multimedia component 1108 includes a display screen that provides an output interface between the device 1100 and the user.
  • the multimedia component 1108 includes a front camera and/or a rear camera.
  • the front camera and/or the rear camera can receive external multimedia data.
  • Each front camera and rear camera can be a fixed optical lens system or have a focal length and optical zoom capability.
  • the audio component 1110 is configured to output and/or input audio signals.
  • the audio component 1110 includes a microphone (MIC), and when the device 1100 is in an operating mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal.
  • the received audio signal can be further stored in the memory 1104 or sent via the communication component 1118.
  • the audio component 1110 also includes a speaker for outputting audio signals.
  • I/O interface 1112 provides an interface between processing component 1102 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: a home button, a volume button, a start button, and a lock button.
  • the sensor assembly 1116 includes one or more sensors for providing various aspects of the status assessment of the device 1100.
  • the sensor assembly 1116 can detect the open/closed state of the device 1100, the relative positioning of components, such as the display and keypad of the device 1100, the sensor assembly 1116 can also detect the position change of the device 1100 or a component of the device 1100, the presence or absence of user contact with the device 1100, the orientation or acceleration/deceleration of the device 1100, and the temperature change of the device 1100.
  • the sensor assembly 1116 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact.
  • the sensor assembly 1116 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 1116 may also include an accelerometer, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 1118 is configured to facilitate wired or wireless communication between the device 1100 and other devices.
  • the device 1100 can access a wireless network based on a communication standard, such as Wi-Fi, 2G, 3G, 4G, 5G or 6G, or a combination thereof.
  • the communication component 1118 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 1118 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the apparatus 1100 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components to execute any of the resource determination methods described above on the terminal side.
  • ASICs application-specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • controllers microcontrollers, microprocessors or other electronic components to execute any of the resource determination methods described above on the terminal side.
  • a non-transitory machine-readable storage medium including instructions is also provided, such as a memory 1104 including instructions, and the instructions can be executed by the processor 1120 of the device 1100 to complete the resource determination method.
  • the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
  • a resource indication device comprising:
  • a memory for storing processor-executable instructions
  • the processor is configured to execute any of the resource indication methods described above.
  • FIG. 12 is a schematic diagram of a structure of a resource indication device 1200 according to an exemplary embodiment.
  • the device 1200 may be provided as a base station.
  • the device 1200 includes a processing component 1222, a wireless transmission/reception component 1224, an antenna component 1226, and a signal processing part specific to a wireless interface, and the processing component 1222 may further include at least one processor.
  • One of the processors in the processing component 1222 may be configured to execute any of the resource indication methods described above.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation concerne un procédé et un appareil de détermination de ressources, un procédé et un appareil d'indication de ressources, et un support de stockage. Le procédé de détermination de ressources comprend : la réception de premières informations de configuration envoyées par une station de base pour une partie de largeur de bande (BWP) ; la détermination d'une première plage de ressources de domaine fréquentiel occupée par une première partie BWP sur la base des premières informations de configuration ; et la détermination d'une seconde plage de ressources de domaine fréquentiel occupée par une première sous-bande sur la base de la première plage de ressources de domaine fréquentiel. La présente divulgation peut déterminer la plage de ressources de domaine fréquentiel occupée par la sous-bande sur la base des premières informations de configuration pour la partie BWP, réduire les changements de normes et économiser des ressources de signalisation de la station de base, présentant ainsi une applicabilité élevée.
PCT/CN2023/081723 2023-03-15 2023-03-15 Procédé et appareil de détermination de ressources, procédé et appareil d'indication de ressources, et support de stockage Pending WO2024187425A1 (fr)

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CN202380008611.8A CN116602036A (zh) 2023-03-15 2023-03-15 资源确定、资源指示方法及装置、存储介质

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