CN110890952B

CN110890952B - PUCCH resource determination method and apparatus, storage medium, terminal, and base station

Info

Publication number: CN110890952B
Application number: CN201811056428.2A
Authority: CN
Inventors: 王婷婷
Original assignee: Spreadtrum Communications Shanghai Co Ltd
Current assignee: Spreadtrum Communications Shanghai Co Ltd
Priority date: 2018-09-11
Filing date: 2018-09-11
Publication date: 2021-09-14
Anticipated expiration: 2038-09-11
Also published as: CN110890952A

Abstract

A PUCCH resource determination method and device, storage medium, terminal and base station are provided, wherein the determination method comprises the following steps: determining all activated BWPs containing PUCCH resources in a cell; and acquiring UCI types corresponding to the PUCCH resources of all the active BWPs, determining the active BWP used by a target UCI type from all the active BWPs, and taking the determined active BWP as the transmission BWP used by the target UCI type. By the technical scheme of the invention, the UE can determine the activation BWPs used by different UCI types under the scene of a plurality of activation BWPs, and further can transmit the UCI by determining the PUCCH resources of the activation BWPs used.

Description

PUCCH resource determination method and apparatus, storage medium, terminal, and base station

Technical Field

The present invention relates to the field of wireless communication technologies, and in particular, to a PUCCH resource determination method and apparatus, a storage medium, a terminal, and a base station.

Background

New Radio (NR) systems will be deployed in The future for The Fifth Generation mobile communications (5G). A new concept of "Bandwidth Part (BWP, also called sub-Bandwidth or sub-band)" is introduced into the NR system, and allows an NR User Equipment (User Equipment, UE) to access a 5G system using narrowband BWP and transmit services using broadband BWP. For NR systems, the network may configure multiple BWPs for each cell (cell) of the UE, each BWP being a portion of the cell bandwidth, occupying a limited bandwidth.

For 3GPP protocol Release 15(Release 15, abbreviated R15) distributed by the 3rd Generation Partnership Project (3 GPP) standards organization, only one BWP can be active at any one point in time for each cell of the UE. A base station (e.g., a gnnodeb, or gNB for short) issues an explicit BWP activation indication command for a UE, after which the active state BWP may be switched from one BWP to another BWP. Alternatively, after the implicit deactivation timer of the UE expires, the UE may back-off from the current Downlink (DL) BWP or DL-uplink (Up Link, UL) BWP pair (pair) to the default (default) DL BWP or DL-UL BWP pair. For 3GPP R15, only one BWP per cell for the UE is active at the same time. The UE needs to transmit necessary Uplink Layer 1(Layer1, abbreviated as L1) and Layer 2(Layer2, abbreviated as L2) signaling (e.g., Uplink Control Information (UCI)) through a Physical Uplink Control Channel (PUCCH) resource to support Uplink and downlink data transmission.

For 3GPP R16 or later releases, there may be multiple BWPs in active state in each cell of the UE at the same time, and the UE may transmit L1/L2 signaling on the active BWP configured with PUCCH resources, at this time, how to transmit UCI using PUCCH resources, and the related art does not provide any relevant technical solution.

Disclosure of Invention

The technical problem solved by the present invention is how to transmit UCI using multiple PUCCH resources activating BWP, so that UE can transmit UCI.

In order to solve the above technical problem, an embodiment of the present invention provides a method for determining a PUCCH resource, where the method for determining a PUCCH resource includes: determining all activated BWPs containing PUCCH resources in a cell; and acquiring UCI types corresponding to the PUCCH resources of all the active BWPs, determining the active BWP used by a target UCI type from all the active BWPs, and taking the determined active BWP as the transmission BWP used by the target UCI type.

Optionally, the determining the active BWP used by the target UCI type includes: determining a priority of each active BWP in the cell and determining a number of active BWPs used by the target UCI type; and selecting the activation BWPs used by the target UCI types with the number equal to the number in the order of the priority from high to low.

Optionally, the priority of each active BWP in the cell is determined by any one of the following methods: receiving priorities of a plurality of BWPs in a network-configured cell to determine priorities of respective active BWPs; determining the priority of each active BWP according to the sequence number identification of the BWPs in the cell; wherein the plurality of BWPs comprise respective active BWPs.

Optionally, the receiving priorities of all BWPs in the network-configured cell includes: receiving priorities of all BWPs in the network-configured cell through an RRC message, a MAC message, or a PHY message.

Optionally, the number of active BWPs used by the target UCI type is determined in any one of the following ways: determining a number of active BWPs used by a target UCI type according to a number of transmission BWPs used by the target UCI type received from a network; the number of transport BWPs used by the target UCI type is custom; the number of transport BWPs used by the target UCI type is predefined by the protocol.

Optionally, the determining the active BWP used by the target UCI type includes: and receiving a transmission BWP used by the target UCI type and sent by a network, and determining an activation BWP used by the target UCI type according to the transmission BWP.

Optionally, the receiving a transport BWP used by the target UCI type sent by the network includes: and receiving an indication mark sent by the network, and determining a transmission BWP used by the target UCI type according to the indication mark.

Optionally, the receiving a transport BWP used by the target UCI type sent by the network includes: receiving a transport BWP used by the target UCI type transmitted by the network through an RRC message, a MAC message, or a PHY message.

Optionally, the determining the active BWP used by the target UCI type includes: determining an active BWP used by the target UCI type according to a traffic type, the traffic type including at least one of: URLLC traffic, eMBB traffic, and mtc traffic.

In order to solve the above technical problem, an embodiment of the present invention further provides a method for determining a PUCCH resource, where the method for determining a PUCCH resource includes: determining all activated BWPs containing PUCCH resources in a cell; obtaining the corresponding UCI type carried by the PUCCH resource on each corresponding to all the active BWPs, determining the active BWP used by the target UCI type from all the active BWPs, and taking the determined active BWP as the transmission BWP used by the target UCI type.

Optionally, the determining the active BWP used by the target UCI type includes: determining a priority of each active BWP in the cell and determining a number of active BWPs used by the target UCI type; determining an activation BWP used by the target UCI types equal to the number in order of priority from high to low.

Optionally, the priority of each active BWP in the cell is determined by any one of the following methods: determining a priority of each active BWP in the cell according to priorities of a plurality of BWPs; determining the priority of each active BWP according to the sequence number identification of the BWPs in the cell; wherein the plurality of BWPs comprise respective active BWPs.

Optionally, when determining the priority of each active BWP in the cell according to the priorities of all BWPs, the determining method further includes: sending the priorities of all the BWPs in the network-configured cell to the user equipment so that the user equipment determines the priority of each active BWP according to the received priorities of all the BWPs.

Optionally, the sending the priority of all BWPs in the network-configured cell to the user equipment includes: transmitting the priorities of all BWPs in the network-configured cell to the user equipment through an RRC message, a MAC message, or a PHY message.

Optionally, the number of active BWPs used by the target UCI type is determined by any one of the following methods: the number of transport BWPs used by the target UCI type is custom; the number of transport BWPs used by the target UCI type is predefined by the protocol.

Optionally, if the number of transport BWPs used by the target UCI type is customized, the determining method further includes: sending the number of transmission BWPs to a user equipment.

Optionally, after regarding the determined active BWP as the transmission BWP, the determining method further includes: and sending the transmission BWP used by the target UCI type to the user equipment.

Optionally, the sending, to the user equipment, the transport BWP used by the target UCI type includes: and sending an indication identifier to the user equipment so that the user equipment determines the transmission BWP used by the target UCI type according to the indication identifier.

Optionally, the sending, to the user equipment, the transport BWP used by the target UCI type includes: and transmitting the transmission BWP used by the target UCI type to the user equipment through RRC message, MAC message or PHY message.

Optionally, determining the active BWP used by the target UCI type includes: determining an active BWP used by the target UCI type according to a traffic type, the traffic type including at least one of: URLLC traffic, eMBB traffic, and mtc traffic.

In order to solve the foregoing technical problem, an embodiment of the present invention further provides a device for determining a PUCCH resource, including: a first determining module adapted to determine all active BWPs in a cell containing PUCCH resources; a second determining module, adapted to obtain a UCI type carried by each PUCCH resource corresponding to all the active BWPs, determine, from all the active BWPs, an active BWP used by a target UCI type, and use the determined active BWP as a transmission BWP used by the target UCI type.

In order to solve the above technical problem, an embodiment of the present invention further provides a storage medium, where computer instructions are stored, and when the computer instructions are executed, the steps of the method for determining a PUCCH resource are performed.

In order to solve the above technical problem, an embodiment of the present invention further provides a terminal, including a memory and a processor, where the memory stores computer instructions executable on the processor, and the processor executes the steps of the method for determining a PUCCH resource when executing the computer instructions.

In order to solve the above technical problem, an embodiment of the present invention further provides a base station, including a memory and a processor, where the memory stores computer instructions executable on the processor, and the processor executes the steps of the method for determining a PUCCH resource when executing the computer instructions.

Compared with the prior art, the technical scheme of the embodiment of the invention has the following beneficial effects:

the embodiment of the invention provides a method for determining PUCCH resources, which comprises the following steps: determining all activated BWPs containing PUCCH resources in a cell; and acquiring UCI types corresponding to the PUCCH resources of all the active BWPs, determining the active BWP used by a target UCI type from all the active BWPs, and taking the determined active BWP as the transmission BWP used by the target UCI type. By the technical scheme provided by the embodiment of the invention, the UE can determine the activation BWPs used by different UCI types under the scene of a plurality of activation BWPs, and further can determine the UCI to be transmitted by PUCCH resources of the activation BWPs.

Further, determining a priority of each active BWP in the cell and determining a number of active BWPs used by the target UCI type; and selecting the activation BWPs used by the target UCI types with the number equal to the number in the order of the priority from high to low. By the technical scheme provided by the embodiment of the invention, the UE can transmit the SR on a plurality of activated BWPs, and when the UCI is transmitted by using a plurality of activated BWPs, the UCI can be transmitted rapidly and robustly, so that the reliability of UCI transmission is improved.

Drawings

Fig. 1 is a flowchart illustrating a method for determining PUCCH resources according to an embodiment of the present invention;

FIG. 2 is a flowchart illustrating an embodiment of step S102 shown in FIG. 1;

FIG. 3 is a diagram of exemplary signaling in accordance with an embodiment of the present invention;

FIG. 4 is a schematic diagram of yet another exemplary signaling embodiment of the present invention;

fig. 5 is a flowchart illustrating a method for determining PUCCH resources according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an apparatus for determining PUCCH resources according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of another apparatus for determining PUCCH resources according to an embodiment of the present invention.

Detailed Description

Those skilled in the art understand that, as mentioned in the background art, the prior art only aims at one active BWP transmission SR, and a technical solution for multiple active BWPs transmission SR is not given.

Specifically, in a current Long Term Evolution (Long Term Evolution, LTE for short), a UE needs to monitor a bandwidth of a whole cell. However, since 5G introduces a large bandwidth, power consumption is very severe if the UE still listens to the entire bandwidth, and thus 5G introduces a new concept of "BWP". Each BWP corresponds to a specific mathematical parameter (also called transport format), and the mathematical defined by the current 3GPP standard may include at least two parameters: a Subcarrier Spacing index (Subcarrier Spacing index) and a Physical Uplink Shared Channel (PUSCH) transmission time (transmission duration).

Further, the UE may send Scheduling Request (Scheduling Request), Hybrid Automatic Repeat Request (HARQ) ACKnowledgement (ACK)/Negative ACKnowledgement (NACK), Channel State Indication (CSI), and other L1/L2 Uplink Control Information (UCI) through PUCCH to support Uplink and downlink data transmission.

Wherein the SR is used to request UL-SCH resources from a network (e.g., a gnnodeb, abbreviated to gNB, also referred to as a base station). For the SR, one Media Access Control (MAC) entity may configure 0, 1, or multiple SR configurations. Each SR configuration may contain a set of PUCCH resources for SR transmission located in multiple BWPs and multiple cells. Each SR configuration corresponds to one or more logical channels (logical channels), and each logical channel may be mapped to 0 or 1 SR configuration.

For 1 logical channel, each BWP configures at most 1 PUCCH Resource for SR transmission through Radio Resource Control (RRC) signaling. Some logical channels with the same or similar priorities may correspond to 1 same SR configuration, and different SR configurations correspond to logical channels with different priorities, that is, different SR configurations correspond to different service transmission requirements.

Specifically, for each SR configuration, RRC signaling may configure the SR procedure with the following parameters: SR prohibit timer (SR-probibittimer); SR transmission maximum number (SR-TransMax) and variable SR COUNTER (SR _ COUNTER) for UE maintenance records. In addition, the RRC signaling may also configure an SR configuration index (SR-ConfigIndex).

For the SR configuration, if an SR is triggered (trigger), and the SR configuration has no other SR in a pending (pending) state (i.e., triggered SR), the MAC entity may set a value of SR _ COUNTER corresponding to the SR configuration to 0. If SR _ COUNTER < SR-TransMax, the MAC entity may inform the physical layer that the PUCCH resource corresponding to the SR configuration on the BWP transmits an SR, and the value of SR _ COUNTER is increased by 1. Further, if the count value of SR _ COUNTER is increased to SR-TransMax, the MAC entity may perform a Random Access procedure (Random Access procedure) to request UL-SCH resources and cancel all SRs that are pending.

The HARQ ACK/NACK is used to perform HARQ acknowledgement on Downlink data transmitted on a Physical Downlink Shared Channel (PDSCH). Accordingly, the base station may configure a set of PUCCH resources for HARQ acknowledgement located in multiple BWPs and cells (cells) for the UE.

The CSI includes information such as a Channel Quality Indicator (CQI), a Precoding Matrix Indicator (PMI), and a Rank Indicator (RI). The CSI is used to report the quality of downlink channel to the base station to assist the base station in downlink scheduling. Accordingly, the base station may configure a set of PUCCH resources for CSI transmission for the UE, which are located in multiple BWPs and cells.

For R16 or later releases, each cell of the UE may have multiple BWPs active at the same time. When there are multiple active BWPs, the UE transmits SR, HARQ ACK/NACK, CSI using several BWPs and using PUCCH resources on which active BWPs, and the prior art has no corresponding solution.

To solve the foregoing technical problem, an embodiment of the present invention provides a method for determining a PUCCH resource, including: determining all activated BWPs containing PUCCH resources in a cell; and acquiring UCI types corresponding to the PUCCH resources of all the active BWPs, determining the active BWP used by a target UCI type from all the active BWPs, and taking the determined active BWP as the transmission BWP used by the target UCI type. By the technical scheme provided by the embodiment of the invention, the UE can determine the activation BWPs used by different UCI types under the scene of a plurality of activation BWPs, and further can determine the UCI to be transmitted by PUCCH resources of the activation BWPs.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Fig. 1 is a flowchart illustrating a PUCCH determining method according to an embodiment of the present invention. Specifically, the indication method may be applied to a user equipment side, for example, executed by a UE, and specifically includes the following steps:

step S101, determining all activated BWPs containing PUCCH resources in a cell;

step S102, obtaining UCI types corresponding to all PUCCH resources of the active BWPs, determining an active BWP used by a target UCI type from all the active BWPs, and using the determined active BWP as a transmission BWP used by the target UCI type.

Specifically, in step S101, the UE may determine all BWPs in the cell, among which one or more active BWPs exist. When there are a plurality of active BWPs among all BWPs in a cell, all active BWPs containing PUCCH resources may be determined.

In step S102, for all active BWPs including PUCCH resources, the UE may acquire UCI types corresponding to the PUCCH resources of all active BWPs. In practical application, the UCI types include SR, CSI, HARQ ACK/NACK, and other uplink control information types.

In a specific implementation, the UE may classify all BWPs including the PUCCH resource according to UCI types, and obtain an active BWP capable of transmitting each UCI type. Specifically, the target UCI type transmits different UCI types using PUCCH resources activating BWP, and may indicate that SR is transmitted based on PUCCH resources for SR transmission, or that HARQ ACK/NACK is transmitted based on PUCCH resources for HARQ acknowledgement, or that CSI is transmitted on PUCCH resources for CSI transmission.

In particular implementations, after the UE determines a target UCI type for transmission, an activation BWP used by the target UCI type may be determined, and the determined activation BWP may be used as the transmission BWP used by the target UCI type.

In particular, determining the active BWP used by the target UCI type may be UE-self-determined; alternatively, it may be UE defined according to a protocol; alternatively, the UE may be determined according to the network configuration.

As a non-limiting example, if it is determined that the active BWP used is determined by the UE itself, referring to fig. 2, a flowchart illustrating a specific embodiment of step S102 shown in fig. 1 is given. In fig. 2, the UE may determine the active BWP used by the target UCI type according to the following steps:

step S1021, determining the priority of each active BWP in the cell, and determining the number of active BWPs used by the target UCI type;

step S1022, selecting the number of active BWPs used by the target UCI types equal to the number of active BWPs in order of priority from high to low.

Specifically, in step S1021, the UE may first determine the priorities of all BWPs, and determine the priority of the active BWPs used by the target UCI type according to the priorities of the respective BWPs. Determining the priority of BWP may involve two ways.

In the implementation of the present invention, the network may indicate the priority of each BWP in the cell through signaling, and after receiving the signaling, the UE may determine the priority for activating the BWP according to the priority of the BWP. The signaling may be RRC signaling, MAC signaling, or PHYsical layer (PHY) signaling.

For example, the signaling information includes all BWPs with priority BWP1, BWP2, BWP3, … …, BWPN, and if the active BWPs used by the SR are BWP1, BWP3, BWPN, the active BWPs used by the SR have priority BWP1, BWP3, BWPN.

In the embodiment of the present invention, the network may agree with the UE in advance on the priority of each BWP. For example, the priority of each BWP is agreed to be determined by the serial number identification of the BWP. The two communicating parties may agree to determine the priority in the order of the sequence number identifications of the BWPs from small to large, or the two communicating parties may agree to determine the priority in the order of the sequence number identifications of the BWPs from large to small. Then, the priority of the active BWP used by the target UCI type is also determined according to the agreed priority determination mode.

For example, if all BWPs include BWP1, BWP2, BWP3, … …, BWPN, and 1, 2, … …, N are serial numbers of BWPs, then all BWPs have BWP1, BWP2, BWP3, … …, BWPN when determining the priorities in the order of the serial numbers of BWPs from small to large. Under this condition, if the active BWPs used by the CSI are BWP1, BWP3 and BWPN, the priority of all active BWPs used by the CSI is BWP1, BWP3 and BWPN, where N >3 and N is a positive integer. Those skilled in the art understand that, the two communicating parties may also agree to determine the priorities in the descending order of the BWP sequence number identifiers, which is not described in detail herein.

Thereafter, the UE may also determine the number of active BWPs used by the target UCI type. The UE may determine the active BWPs used by the target UCI type and the number thereof according to the traffic type. The number of active BWPs used by the target UCI type may be different in different traffic type scenarios. Wherein the service type includes at least one of: enhanced Mobile Broadband (eMBB) service, Ultra Low Latency and Low Latency Communication (URLLC) service, and enhanced Machine-Type Communication (eMTC) service.

Further, the UE may use the determined active BWP as a transport BWP for the target UCI type.

As a non-limiting example, different SR configurations may have different priorities when determining PUCCH resources for the SRs. The number of active BWPs indicated by SR configurations of different priorities may be different. The high priority service SR configuration may choose a larger number (e.g., the SR configuration of the URLLC service indicates a number of active BWPs of 2), and the low priority service SR configuration may choose a smaller number (e.g., the SR configuration of the eMBB service indicates a number of active BWPs of 1). Similarly, the number of active BWPs corresponding to HARQ ACK/NACK and CSI may also be configured independently.

In step S1022, after determining the number of active BWPs used by the target UCI type, the UE may choose, according to the order from high to low in priority, the active BWPs used by the target UCI type that are equal to the number of the active BWPs used by the target UCI type. For example, when the number of active BWPs used by the HARQ ACK/NACK is 2 and the priority of active BWPs is BWP1, BWP3, BWP4, the UE may select BWP1 and BWP3 as the active BWPs used by the HARQ ACK/NACK.

As yet another non-limiting example, if it is determined that the active BWPs used are protocol defined, the protocol may first define the priority of the respective BWPs, and then define the number of active BWPs used per target UCI type.

In particular, the protocol may agree that the priority of each BWP is determined by the sequence number identification of the BWP. Further, the priority of the active BWP used by the target UCI type is also determined. For example, the two communicating parties determine the priorities in the descending order of the sequence id of the BWP, or the two communicating parties determine the priorities in the descending order of the sequence id of the BWP, and the details are not repeated.

The protocol may then also agree on the number of active BWPs to use per target UCI type. For example, the protocol may agree on the number of active BWPs to be used by the target UCI type based on the traffic type. The active BWP used by the target UCI type may be different in different traffic type scenarios. Wherein the service type includes at least one of: URLLC traffic, eMBB traffic, and mtc traffic.

Further, the UE may determine an activation BWP used by the target UCI type according to a protocol and use the determined activation BWP as a transmission BWP used by the target UCI type.

As a variation, the protocol may also only agree on the number of active BWPs used by the target UCI type. The priority of each active BWP may be determined by the UE by receiving signaling sent by the network. For example, the network may indicate the priority of each BWP in the cell through RRC signaling, MAC signaling or PHY signaling, and after receiving the signaling, the UE may determine the priority for activating the BWP according to the priority of the BWP.

As yet another non-limiting example, if it is determined that the active BWP used is configured by the base station on the network side, then the following two cases exist: (1) the network may transmit only the number of active BWPs used by the target UCI type if the UE can know the priority of the active BWPs; (2) the network may transmit all information for activating BWP used by the target UCI type.

For the case of (1), in implementation, after the UE receives the number of active BWPs sent by the network, the active BWPs used by the target UCI type may be determined according to the received number of active BWPs used by the target UCI type and the priority of the active BWPs.

Specifically, the UE may determine priorities of all BWPs first, and determine priorities of activated BWPs used by the target UCI type according to the priorities of the respective BWPs. Determining the priority of BWP may involve two ways: the first is that the network indicates the priority of each BWP in the cell through signaling, and after receiving the signaling, the UE can determine the priority of activating the BWP according to the priority of the BWP. Wherein the signaling may be RRC signaling, MAC signaling, or PHY signaling; secondly, the network and the UE agree in advance that the priority of each BWP is determined according to the serial number identification of the BWP. After determining the priority of the active BWP, the priority of the active BWP used by the target UCI type is also determined accordingly. Those skilled in the art will appreciate that the communicating parties may also agree to determine the respective priorities in descending order of the BWP sequence number identification. Details are not repeated.

Thereafter, the UE may determine an active BWP used by the target UCI type according to the number of active BWPs used by the target UCI type transmitted by the network. The UE may determine the active BWPs used by the target UCI type according to the number and priority of the active BWPs used by the target UCI type. The UE may use the determined active BWP as a transmission BWP for the target UCI type.

Those skilled in the art will understand that, in implementation, the active BWPs used by the target UCI type and the number thereof may be different in different service type scenarios. Wherein the service type includes at least one of: URLLC traffic, eMBB traffic, and mtc traffic.

After determining the transmission BWPs used by the target UCI types, for different SR configurations, HARQ ACK/NACK, and BWP combinations corresponding to CSI, when sending the number of the transmission BWPs, the number of active BWPs used by each target UCI type may be sent separately, that is, the active BWPs used by each target UCI type are respectively indicated through separate signaling; the number of active BWPs used by all target UCI types may also be sent in a packet, that is, the number of active BWPs used by multiple target UCI types is indicated in a single signaling.

As a non-limiting example, assuming that 4 BWPs are configured in a cell, which are BWP0, BWP1, BWP2 and BWP3 respectively, that is, the maximum value of the BWP configured in the cell is 4, the number of transmission BWPs used in each UCI type may be represented by 2 bits. For example, "00" indicates a number of 1, "01" indicates a number of 2, "10" indicates a number of 3, and "11" indicates a number of 4. If the UE receives "10", it indicates that the number of active BWPs used by the target UCI type is 3; if the UE receives "11", it indicates that the number of active BWPs used by the target UCI type is 4; no further values are listed.

As shown in fig. 3, for example, packet transmission is used, that is, active BWPs used by multiple target UCI types are simultaneously indicated in a signaling, where the active BWPs include 2 SR configurations, 1 HARQ acknowledgement, and 1 CSI, and in actual implementation, the active BWP used by each UCI type is represented by 2 bits. For example, a bit corresponding to SR configuration 1 is "10" indicating that the number of active BWPs used by SR configuration 1 is 3, a bit corresponding to SR configuration 1 is "01", and a bit corresponding to SR configuration 2 is 2. The bit corresponding to the HARQ acknowledgement is "00", which indicates that the number of active BWPs used for HARQ acknowledgement is 1, and the bit corresponding to the CSI is "00", which indicates that the number of active BWPs used for CSI is 1.

For case (2), when implemented, the network may send all information of the active BWP used by the target UCI type to the UE. After the UE receives the activation BWP sent by the network, it can learn the activation BWP used by the target UCI type according to the received activation BWP used by the target UCI type.

Specifically, the network may send, to the UE, an indication flag of activation BWP used by the target UCI type, and after receiving the indication flag sent by the network, the UE determines, according to the indication flag, a transmission BWP used by the target UCI type. More specifically, for one cell (cell), all possible BWP combinations may be configured in advance by the base station on the network side. For example, the base station may determine all active BWPs that can be used by each target UCI type, resulting in a one-to-one corresponding active BWP set; and determining an indication bit indicating each element in the active BWP set according to the active BWP set, and using the indication bit as an indication mark of the active BWP used by each target UCI type.

The network may then send the indication identifier to the UE, and after receiving the indication identifier, the UE may determine, according to the indication identifier, the active BWP used by the target UCI type. Further, the UE may transmit the target UCI type based on a PUCCH resource of the transmission BWP using the determined activation BWP as the transmission BWP.

Further, for different SR configurations, HARQ ACK/NACK, and BWP combinations corresponding to CSI, when the indication identifier is sent, the active BWP used by each target UCI type may be sent separately, and the active BWP used by each target UCI type is indicated separately through separate signaling. The active BWPs used by all target UCI types may also be sent in a packet, that is, the active BWPs used by multiple target UCI types are indicated in a single signaling.

As a non-limiting example, assuming that 4 BWPs are configured in a cell, which are BWP0, BWP1, BWP2 and BWP3, respectively, the number of elements of a BWP set obtained by combining all BWPs is:

the value ranges from 0 to 14. Further, different BWP combinations may be represented using 4 bits. For example, "0000" represents BWP0, "0001" represents BWP1, "0010" represents BWP2, … …, and "1110" represents BWP0BWP1, BWP2, and BWP 3. If all the BWPs are active BWPs and the indication received by the UE is "0010", it indicates that the active BWP used by the target UCI type is BWP 2; if all BWPs are active BWPs, the indication received by the UE is marked as "1110", indicating that the active BWPs used by the target UCI type are BWP0, BWP1, BWP2 and BWP 3; other indication marks are not described in detail.

As shown in fig. 4, for example, packet transmission is used, that is, active BWPs used by multiple target UCI types are simultaneously indicated in a signaling, where the active BWPs include 2 SR configurations, 1 HARQ acknowledgement, and 1 CSI, and in actual implementation, the active BWP used by each UCI type is represented by 4 bits. Each bit may be 0 or 1, thereby indicating the active BWP used by the UCI type.

Further, the network sends the indication identifier which can be transmitted through RRC signaling, MAC signaling and PHY signaling. Preferably, a new bit field may be added in the MAC layer BWP activation/deactivation signaling, and the network sends the indication identifier through the new bit field.

Fig. 5 is a flowchart illustrating a method for determining PUCCH resources according to an embodiment of the present invention. Specifically, the determining method may be applied to a network side, for example, executed by a base station of the network side, and specifically includes the following steps:

step S201, determining all activated BWPs containing PUCCH resources in a cell;

step S202, obtaining the corresponding UCI type carried by the PUCCH resource on each corresponding to all the active BWPs, determining the active BWP used by the target UCI type from all the active BWPs, and using the determined active BWP as the transmission BWP used by the target UCI type.

In step S201, the base station on the network side may determine all BWPs in the cell, where there may be multiple active BWPs for a single UE. When there are a plurality of active BWPs, the base station may determine all active BWPs including PUCCH resources.

In step S202, for all active BWPs including PUCCH resources, the base station may acquire UCI types corresponding to the PUCCH resources of all active BWPs. The UCI type refers to uplink control information types such as SR, CSI, HARQ ACK/NACK and the like.

Then, the base station may classify all BWPs including the PUCCH resource according to the UCI type, and obtain an active BWP capable of transmitting each UCI type.

In a specific implementation, the base station may determine a priority of each active BWP in the cell, and determine the number of active BWPs used by the target UCI type; determining an activation BWP used by the target UCI types equal to the number in order of priority from high to low.

In particular, the network may determine the priority of each active BWP in the cell by any of the following methods: (1) determining a priority of each active BWP in the cell according to priorities of a plurality of BWPs; (2) determining the priority of each active BWP according to the sequence number identification of the BWPs in the cell.

As a specific embodiment, if the priorities of the plurality of BWPs are network configured, the network may further send the priorities of the respective BWPs in the network configured cell to the user equipment, so that the user equipment determines the priorities of the respective active BWPs according to the received priorities of the respective BWPs. Those skilled in the art understand that the plurality of BWPs may be partial BWPs in a cell, which may refer to respective active BWPs. The plurality of BWPs may also be all BWPs in a cell.

As yet another specific embodiment, if the priorities of the plurality of BWPs are network configured, the network may further send the priorities of the active BWPs in the network configured cell to the user equipment, so that the user equipment determines the priorities of the active BWPs according to the received priorities of the active BWPs.

In a specific implementation, the network may send the priority of the BWP in the network-configured cell to the user equipment through an RRC message, a MAC message, or a PHY message.

In a specific implementation, the network may determine the number of active BWPs used by the target UCI type by any one of the following manners: the network presets the number of transmission BWPs used by the target UCI type; alternatively, the number of transport BWPs used by the target UCI type is predefined by a protocol.

As another specific embodiment, if the number of transport BWPs used by the target UCI type is customized, the network may further send the number of transport BWPs to the user equipment, or the network may further send the transport BWPs used by the target UCI type to the user equipment. In specific implementation, the network may send an indication identifier to the ue through an RRC message, a MAC message, or a PHY message, so that the ue determines the transmission BWP used by the target UCI type according to the indication identifier.

The base station may determine an active BWP used by the target UCI type according to traffic types, which include at least one of: URLLC traffic, eMBB traffic, and mtc traffic.

Those skilled in the art understand that the steps S201 to S202 can be regarded as execution steps corresponding to the steps S101 to S102 described in the above embodiment shown in fig. 1, and the two steps are complementary in specific implementation principle and logic. Therefore, regarding the determination method and terms of the PUCCH resources on the network side, reference may be made to the relevant description of the embodiments shown in fig. 1 to fig. 4, which is not described herein again.

Therefore, according to the technical solution provided by the embodiment of the present invention, in a scenario with multiple active BWPs, the UE may determine the active BWPs used by different UCI types, and may further transmit UCI on the PUCCH resource of the active BWPs used. Further, when UCI is transmitted using a plurality of active BWPs, reliability of UCI transmission may be improved.

Fig. 6 is a schematic structural diagram of a PUCCH resource determining apparatus according to an embodiment of the present invention. The PUCCH resource determining apparatus 6 (for simplicity, referred to as the determining apparatus 6 below) may be applied to a user equipment side, and is used to implement the method solutions of the embodiments shown in fig. 1 to fig. 4.

In particular, the determination means 6 may comprise a first determination module 61 and a second determination module 62.

More specifically, the first determining module 61 is adapted to determine all active BWPs in a cell containing PUCCH resources; the second determining module 62 is adapted to obtain UCI types corresponding to PUCCH resources of all active BWPs, determine an active BWP used by a target UCI type from the all active BWPs, and use the determined active BWP as a transmission BWP used by the target UCI type.

Further, the determining module 62 may include: a first determining sub-module 621 adapted to determine a priority of each active BWP in the cell and determine the number of active BWPs used by the target UCI type; the choosing submodule 622 is adapted to choose, in order from high to low priority, the number of active BWPs used by the target UCI types equal to the number.

Further, the first determining submodule 621 may include a receiving determining unit 6211 adapted to receive priorities of a plurality of BWPs in a network-configured cell to determine priorities of respective active BWPs; or a first determining unit 6212 adapted to determine the priority of each active BWP according to the sequence number identification of the BWPs in the cell; wherein the plurality of BWPs comprise respective active BWPs.

Further, the reception determination unit 6211 may include: a receiving sub-unit 62111 adapted to receive the priorities of all BWPs in the network-configured cell through an RRC message, a MAC message or a PHY message.

Further, the first determining sub-module 621 may comprise a second determining unit 6213 adapted to determine, according to the number of transmission BWPs used by the target UCI type received from the network, the number of activation BWPs used by the target UCI type; the number of transport BWPs used by the target UCI type is custom; the number of transport BWPs used by the target UCI type is predefined by the protocol.

In a specific implementation, the second determining module 62 may include: the receiving sub-module 623 is adapted to receive a transmission BWP used by the target UCI type sent by the network, and determine an activation BWP used by the target UCI type according to the transmission BWP.

Wherein, the receiving sub-module 623 may include: a first receiving unit 6231, adapted to receive the indication identifier sent by the network, and determine the transmission BWP used by the target UCI type according to the indication identifier.

In a specific implementation, the receiving sub-module 623 may include: a second receiving unit adapted to receive a transport BWP used by the target UCI type transmitted by the network through an RRC message, a MAC message, or a PHY message.

In a specific implementation, the second determining module 62 may include: a second determining submodule (not shown) adapted to determine an active BWP used by the target UCI type according to a traffic type, where the traffic type includes at least one of: URLLC traffic, eMBB traffic, and mtc traffic.

For more details of the operation principle and the operation mode of the determining device 6, reference may be made to the related descriptions in fig. 1 to fig. 4, which are not described herein again.

Fig. 7 is a schematic structural diagram of a PUCCH resource determining apparatus according to an embodiment of the present invention. The determination apparatus 7 for PUCCH resources (hereinafter, simply referred to as the determination apparatus 7 for simplicity) may be applied to a network side, for example, executed by a base station on the network side, and it is understood by those skilled in the art that the embodiment of the present invention may be used to implement the above-mentioned technical solution of the determination method for PUCCH resources shown in fig. 5.

Specifically, the determining means 7 may include: a first determining module 71 adapted to determine all active BWPs in a cell containing PUCCH resources; a second determining module 72, adapted to obtain the corresponding UCI type carried by the PUCCH resource on each corresponding one of all the active BWPs, determine, from all the active BWPs, an active BWP used by a target UCI type, and use the determined active BWP as a transmission BWP used by the target UCI type.

Wherein the second determining module 72 may include: the first determining sub-module 721 is adapted to determine the priority of each active BWP in the cell and determine the number of active BWPs used by the target UCI type; the second determining submodule 722 is adapted to determine the activated BWPs used by the number of the target UCI types equal to the number in order of priority from high to low.

As a non-limiting example, the first determining sub-module 721 may determine the priority of each active BWP in the cell in any one of the following manners. The first determining submodule 721 may comprise a first determining unit 7211 adapted to determine a priority of each active BWP in the cell based on priorities of a plurality of BWPs; a second determining unit 7212 adapted to determine the priority of each active BWP according to the sequence number identification of the BWP in the cell; wherein the plurality of BWPs comprise respective active BWPs.

When determining the priority of each active BWP in the cell according to the priorities of all BWPs, the first determining sub-module 721 may further include: a sending unit 7213 adapted to send the priorities of all BWPs in the network-configured cell to the user equipment, so that the user equipment determines the priority of each active BWP according to the received priorities of all BWPs.

Specifically, the transmitting unit 7213 may include: a transmitting sub-unit 72131 adapted to transmit the priorities of all BWPs in the network-configured cell to the user equipment through an RRC message, a MAC message or a PHY message.

Further, the first determining sub-module 721 may determine the number of active BWPs used by the target UCI type in any one of the following manners: the number of transport BWPs used by the target UCI type is custom; the number of transport BWPs used by the target UCI type is predefined by the protocol.

In a specific implementation, if the number of transmission BWPs used by the target UCI type is customized, the second determining module 72 may further include: a transmission sub-module 723 adapted to send the number of transmission BWPs to the user equipment.

After having the determined active BWP as the transport BWP, the determining means 7 may further comprise a sending module 73 adapted to send the transport BWP used by the target UCI type to the user equipment.

Further, the sending module 73 may include: a first sending sub-module 731, adapted to send an indication identifier to the user equipment, so that the user equipment determines the transmission BWP used by the target UCI type according to the indication identifier.

The sending module 73 may include: a second transmitting sub-module 732 adapted to transmit the transport BWP used by the target UCI type to the user equipment through an RRC message, a MAC message, or a PHY message.

The second determining module 72 may include: a third determining submodule (not shown) adapted to determine an active BWP used by the target UCI type according to a traffic type, where the traffic type includes at least one of: URLLC traffic, eMBB traffic, and mtc traffic.

For more details of the operation principle and the operation mode of the determining device 7, reference may be made to the related description in fig. 5, which is not described herein again.

Further, the embodiment of the present invention further discloses a storage medium, where computer instructions are stored, and when the computer instructions are executed, the technical solutions of the PUCCH determining methods in the embodiments shown in fig. 1 to fig. 5 are executed. Preferably, the storage medium may include a computer-readable storage medium such as a non-volatile (non-volatile) memory or a non-transitory (non-transient) memory. The computer readable storage medium may include ROM, RAM, magnetic or optical disks, and the like.

Further, the embodiment of the present invention further discloses a terminal, which includes a memory and a processor, where the memory stores computer instructions capable of being executed on the processor, and the processor executes the technical solutions of the methods in the embodiments shown in fig. 1 to 4 when executing the computer instructions. Preferably, the terminal may be a user equipment, e.g., an NR UE.

Further, the embodiment of the present invention further discloses a base station, which includes a memory and a processor, where the memory stores computer instructions capable of being executed on the processor, and the processor executes the technical solution of the method in the embodiment shown in fig. 5 when executing the computer instructions. Specifically, the base station may be an NR base station (e.g., a gNB).

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A method for determining PUCCH resources, comprising:

determining all activated BWPs containing PUCCH resources in a cell;

acquiring UCI types corresponding to all PUCCH resources of the active BWPs, determining the active BWPs used by a target UCI type from all the active BWPs, and taking the determined active BWPs as transmission BWPs used by the target UCI type;

the determining the active BWP used by the target UCI type includes: determining a priority of each active BWP in the cell and determining a number of active BWPs used by the target UCI type; and selecting the activation BWPs used by the target UCI types with the number equal to the number in the order of the priority from high to low.

2. Method for determination according to claim 1, characterized in that the priority of each active BWP in the cell is determined in any of the following ways:

receiving priorities of a plurality of BWPs in a network-configured cell to determine priorities of respective active BWPs;

determining the priority of each active BWP according to the sequence number identification of the BWPs in the cell;

wherein the plurality of BWPs comprise respective active BWPs.

3. The method of claim 2, wherein the receiving the priority of all BWPs in the network-configured cell comprises:

receiving priorities of all BWPs in the network-configured cell through an RRC message, a MAC message, or a PHY message.

4. The method of determining according to claim 1, wherein the number of active BWPs used by the target UCI type is determined by any one of:

determining a number of active BWPs used by a target UCI type according to a number of transmission BWPs used by the target UCI type received from a network;

the number of transport BWPs used by the target UCI type is custom;

the number of transport BWPs used by the target UCI type is predefined by the protocol.

5. The method of claim 1, wherein determining the active BWP for use by the target UCI type comprises:

and receiving a transmission BWP used by the target UCI type and sent by a network, and determining an activation BWP used by the target UCI type according to the transmission BWP.

6. The method according to claim 5, wherein the receiving the transport BWP used by the target UCI type sent by the network comprises:

and receiving an indication mark sent by the network, and determining a transmission BWP used by the target UCI type according to the indication mark.

7. The method according to claim 5, wherein the receiving the transport BWP used by the target UCI type sent by the network comprises: receiving a transport BWP used by the target UCI type transmitted by the network through an RRC message, a MAC message, or a PHY message.

8. The method according to any of claims 1 to 7, wherein said determining the active BWP used by the target UCI type comprises:

determining an active BWP used by the target UCI type according to a traffic type, the traffic type including at least one of: URLLC traffic, eMBB traffic, and mtc traffic.

9. A method for determining PUCCH resources, comprising:

determining all active BWPs containing PUCCH resources in a cell, including: determining a priority of each active BWP in the cell and determining a number of active BWPs used by a target UCI type; determining activation BWPs used by the number of the target UCI types equal to the number in order of priority from high to low;

obtaining the corresponding UCI type carried by the PUCCH resource on each corresponding to all the active BWPs, determining the active BWP used by the target UCI type from all the active BWPs, and taking the determined active BWP as the transmission BWP used by the target UCI type.

10. Method for determination according to claim 9, wherein the priority of each active BWP in the cell is determined by any of the following means:

determining a priority of each active BWP in the cell according to priorities of a plurality of BWPs;

wherein the plurality of BWPs comprise respective active BWPs.

11. The method of claim 10, wherein when determining the priority of each active BWP in the cell according to the priorities of all BWPs, the method further comprises:

sending the priorities of all the BWPs in the network-configured cell to the user equipment so that the user equipment determines the priority of each active BWP according to the received priorities of all the BWPs.

12. The method of claim 11, wherein sending the priority of all BWPs in the network-configured cell to the user equipment comprises:

transmitting the priorities of all BWPs in the network-configured cell to the user equipment through an RRC message, a MAC message, or a PHY message.

13. The method of claim 9, wherein the determination is made by any one of the following methods

The number of active BWPs used by the target UCI type:

the number of transport BWPs used by the target UCI type is custom;

14. The method of claim 13, wherein if the number of transport BWPs used by the target UCI type is customized, the method further comprises:

sending the number of transmission BWPs to a user equipment.

15. The method of determining according to claim 9, further comprising, after taking the determined active BWP as the transport BWP:

and sending the transmission BWP used by the target UCI type to the user equipment.

16. The method of claim 15, wherein the sending the transport BWP for the target UCI type to a user equipment comprises:

and sending an indication identifier to the user equipment so that the user equipment determines the transmission BWP used by the target UCI type according to the indication identifier.

17. The method of claim 15, wherein the sending the transport BWP for the target UCI type to a user equipment comprises: and transmitting the transmission BWP used by the target UCI type to the user equipment through RRC message, MAC message or PHY message.

18. The method according to any of claims 9 to 17, wherein said determining an active BWP used by the target UCI type comprises:

19. An apparatus for determining PUCCH resources, comprising:

a first determining module adapted to determine all active BWPs in a cell containing PUCCH resources;

a second determining module, adapted to obtain UCI types corresponding to PUCCH resources of all active BWPs, determine, from all active BWPs, an active BWP used by a target UCI type, and use the determined active BWP as a transmission BWP used by the target UCI type;

20. An apparatus for determining PUCCH resources, comprising:

a second determining module, adapted to obtain a UCI type carried by each PUCCH resource corresponding to all the active BWPs, determine, from all the active BWPs, an active BWP used by a target UCI type, and use the determined active BWP as a transmission BWP used by the target UCI type; the determining the active BWP used by the target UCI type includes: determining a priority of each active BWP in the cell and determining a number of active BWPs used by the target UCI type; and selecting the activation BWPs used by the target UCI types with the number equal to the number in the order of the priority from high to low.

21. A storage medium having stored thereon a computer program, characterized in that the computer program, when being executed by a processor, is adapted to perform the steps of the PUCCH resource determination method according to any one of claims 1 to 8 or claims 9 to 18.

22. A terminal comprising a memory and a processor, the memory having stored thereon a computer program operable on the processor, wherein the processor executes the computer program to perform the steps of the method for determining PUCCH resources according to any one of claims 1 to 8.

23. A base station comprising a memory and a processor, the memory having stored thereon a computer program operable on the processor, wherein the processor executes the computer program to perform the steps of the method for determining PUCCH resources according to any one of claims 9 to 18.