WO2022237611A1 - Procédé et appareil de confirmation d'informations, et dispositif de communication - Google Patents

Procédé et appareil de confirmation d'informations, et dispositif de communication Download PDF

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Publication number
WO2022237611A1
WO2022237611A1 PCT/CN2022/090927 CN2022090927W WO2022237611A1 WO 2022237611 A1 WO2022237611 A1 WO 2022237611A1 CN 2022090927 W CN2022090927 W CN 2022090927W WO 2022237611 A1 WO2022237611 A1 WO 2022237611A1
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pucch
carrier
pusch
switching
overlap
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PCT/CN2022/090927
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English (en)
Chinese (zh)
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高雪娟
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大唐移动通信设备有限公司
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    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to an information confirmation method, device and communication equipment.
  • the carrier configured to transmit the Physical Uplink Control Channel may be limited by the uplink and downlink ratio, and cannot find available uplink resources in the time domain position that satisfies the shortest processing time for downlink transmission (such as The position that satisfies the processing delay is just the time domain position of the downlink transmission), at this time, if the available uplink resources on the carrier for transmitting the PUCCH are waited, the transmission delay will be caused and the URLLC performance will be affected.
  • one of the two indicators of URLLC is highly reliable transmission, such as a block error rate (BLER) performance of 10-5 or even lower, and the other indicator is low latency, such as the one-way transmission time of the air interface is short More than 0.5ms or 1ms etc.
  • BLER block error rate
  • URLLC uplink control information (Uplink Control Information, UCI) transmission delay will affect the transmission delay of URLLC services, such as hybrid automatic repeat request confirmation (Hybrid Automatic Repeat request-ACKnowledgment, HARQ-ACK) feedback delay will affect the physical
  • the retransmission of the physical downlink shared channel Physical Downlink Shared Channel, PDSCH
  • the delay of the channel state information Channel State Information, CSI
  • the scheduling request (Scheduling Request, SR ) delay will affect the delay of the physical uplink shared channel (Physical Uplink Shared Channel, PUSCH), thereby affecting the delay of the uplink service.
  • PUCCH can only be transmitted on the primary cell (Primary Cell, PCell) or PUCCH secondary cell (Secondary Cell, SCell) or primary secondary cell (Primary Secondary Cell, PSCell) configured in the related art
  • PUCCH secondary cell Secondary Cell, SCell
  • Primary Secondary Cell PSCell
  • K1 is used to refer to the feedback timing relationship between PDSCH and its corresponding HARQ-ACK (HARQ-ACK timing, namely K1).
  • the interference and transmission performance on different carriers may be different, and the transmission of a fixed PUCCH on a certain carrier may cause the PUCCH to fail to achieve the best performance.
  • the purpose of the present disclosure is to provide an information confirmation method, device and communication equipment to solve the problem in the related art that the transmission of the PUCCH leads to increased service transmission delay or poor transmission performance.
  • an embodiment of the present disclosure provides an information confirmation method applied to a communication device, including:
  • the first condition includes at least one of the following:
  • the first carrier is the carrier where the PUCCH is transmitted before the handover
  • the second carrier is the carrier where the PUCCH is transmitted after the handover
  • the other uplink channels are uplink channels other than the PUCCH.
  • the determining whether physical uplink can be performed according to the first condition Carrier switching of the control channel PUCCH including:
  • the PUSCH is a PUSCH with physical downlink control channel (PDCCH) scheduling.
  • PDCCH physical downlink control channel
  • the determining whether physical uplink can be performed according to the first condition Carrier switching of the control channel PUCCH including:
  • the first type of semi-static PUSCH includes a PUSCH without PDCCH scheduling, or, the first type of semi-static PUSCH includes a PUSCH that cannot be transmitted and has no PDCCH scheduling.
  • the determining whether physical uplink can be performed according to the first condition Carrier switching of the control channel PUCCH including:
  • the first uplink channel includes: PUSCH and/or other PUCCHs except the PUCCH;
  • the second uplink channel includes: PUSCH and/or other PUCCHs except the PUCCH.
  • the other PUCCH has the same or different priority as the PUCCH; and/or,
  • the other PUCCHs include: a PUCCH with a corresponding PDCCH; or a PUCCH without a corresponding PDCCH.
  • the determining whether carrier switching of the Physical Uplink Control Channel PUCCH can be performed according to the first condition includes:
  • the PUCCH resources are available resources when one or more of the following conditions are met:
  • the other uplink channels include at least one of the following:
  • the PUSCH and the PUCCH have the same or different priorities.
  • the determining whether carrier switching of the Physical Uplink Control Channel PUCCH can be performed according to the first condition includes:
  • the operation of determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition is performed in the same carrier group.
  • An embodiment of the present disclosure also provides a communication device, including a memory, a transceiver, and a processor:
  • the memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:
  • the first condition includes at least one of the following:
  • the first carrier is the carrier where the PUCCH is transmitted before the handover
  • the second carrier is the carrier where the PUCCH is transmitted after the handover
  • the other uplink channels are uplink channels other than the PUCCH.
  • the determining whether physical uplink can be performed according to the first condition Carrier switching of the control channel PUCCH including:
  • the PUSCH is a PUSCH with physical downlink control channel (PDCCH) scheduling.
  • PDCCH physical downlink control channel
  • the determining whether physical uplink can be performed according to the first condition Carrier switching of the control channel PUCCH including:
  • the first type of semi-static PUSCH includes a PUSCH without PDCCH scheduling, or, the first type of semi-static PUSCH includes a PUSCH that cannot be transmitted and has no PDCCH scheduling.
  • the determining whether physical uplink can be performed according to the first condition Carrier switching of the control channel PUCCH including:
  • the first uplink channel includes: PUSCH and/or other PUCCHs except the PUCCH;
  • the second uplink channel includes: PUSCH and/or other PUCCHs except the PUCCH.
  • the other PUCCH has the same or different priority as the PUCCH; and/or,
  • the other PUCCHs include: a PUCCH with a corresponding PDCCH; or a PUCCH without a corresponding PDCCH.
  • the determining whether carrier switching of the Physical Uplink Control Channel PUCCH can be performed according to the first condition includes:
  • the PUCCH resources are available resources when one or more of the following conditions are met:
  • the other uplink channels include at least one of the following:
  • the PUSCH and the PUCCH have the same or different priorities.
  • the determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition includes:
  • the operation of determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition is performed in the same carrier group.
  • An embodiment of the present disclosure also provides an information confirmation device, which is applied to a communication device, including:
  • the first determining unit is configured to determine whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition
  • the first condition includes at least one of the following:
  • the first carrier is the carrier where the PUCCH is transmitted before the handover
  • the second carrier is the carrier where the PUCCH is transmitted after the handover
  • the other uplink channels are uplink channels other than the PUCCH.
  • the determining whether physical uplink can be performed according to the first condition Carrier switching of the control channel PUCCH including:
  • the PUSCH is a PUSCH with physical downlink control channel (PDCCH) scheduling.
  • PDCCH physical downlink control channel
  • the determining whether physical uplink can be performed according to the first condition Carrier switching of the control channel PUCCH including:
  • the first type of semi-static PUSCH includes a PUSCH without PDCCH scheduling, or, the first type of semi-static PUSCH includes a PUSCH that cannot be transmitted and has no PDCCH scheduling.
  • the determining whether physical uplink can be performed according to the first condition Carrier switching of the control channel PUCCH including:
  • the first uplink channel includes: PUSCH and/or other PUCCHs except the PUCCH;
  • the second uplink channel includes: PUSCH and/or other PUCCHs except the PUCCH.
  • the other PUCCH has the same or different priority as the PUCCH; and/or,
  • the other PUCCHs include: a PUCCH with a corresponding PDCCH; or a PUCCH without a corresponding PDCCH.
  • the determining whether carrier switching of the Physical Uplink Control Channel PUCCH can be performed according to the first condition includes:
  • the PUCCH resources are available resources when one or more of the following conditions are met:
  • the other uplink channels include at least one of the following:
  • the PUSCH and the PUCCH have the same or different priorities.
  • the determining whether carrier switching of the Physical Uplink Control Channel PUCCH can be performed according to the first condition includes:
  • the operation of determining whether carrier switching of the Physical Uplink Control Channel PUCCH can be performed according to the first condition is performed in the same carrier group.
  • An embodiment of the present disclosure also provides a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, and the computer program is configured to enable the processor to execute the above information confirmation method.
  • the information confirmation method determines whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition; wherein the first condition includes at least one of the following: the PUCCH is on the first carrier and/or Or the time domain overlap of other uplink channels on the second carrier; whether the resources of the PUCCH on the second carrier are available; wherein, the first carrier is the carrier where the PUCCH is transmitted before switching, and the second The carrier is the carrier where the PUCCH is transmitted after switching; the other uplink channel is an uplink channel other than the PUCCH; it can accurately switch the PUCCH carrier to ensure that the PUCCH cannot be switched when it is transmitted on the carrier originally configured for transmission To transmit on another carrier, so that there is no need to delay PUCCH transmission when the original carrier has insufficient scheduling resources or resource conflicts, so as to avoid the increase of PUCCH transmission delay, thereby preventing the increase of service transmission delay caused by the transmission of PUCCH.
  • the first condition includes at least one of the following: the PUCCH is on the first carrier and/
  • the flexibility of PUCCH transmission is also increased, and the carrier with better channel status can be selected to transmit PUCCH, which improves the transmission performance of PUCCH; it solves the problem of increased service transmission delay or poor transmission performance caused by PUCCH transmission in related technologies good question.
  • FIG. 1 is a schematic diagram of a wireless communication system architecture according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of downlink scheduling timing and HARQ-ACK feedback timing in an embodiment of the present disclosure
  • FIG. 3 is a schematic flow chart of an information confirmation method in an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of a specific implementation of an information confirmation method in an embodiment of the present disclosure.
  • FIG. 5 is a second schematic diagram of the specific implementation of the information confirmation method in the embodiment of the present disclosure.
  • FIG. 6 is a third schematic diagram of the specific implementation of the information confirmation method in the embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram 4 of the specific implementation of the information confirmation method of the embodiment of the present disclosure.
  • FIG. 8 is a fifth schematic diagram of the specific implementation of the information confirmation method of the embodiment of the present disclosure.
  • FIG. 9 is a sixth schematic diagram of the specific implementation of the information confirmation method in the embodiment of the present disclosure.
  • FIG. 10 is a first structural schematic diagram of a communication device according to an embodiment of the present disclosure.
  • FIG. 11 is a second structural diagram of a communication device according to an embodiment of the present disclosure.
  • Fig. 12 is a schematic structural diagram of an information confirmation device according to an embodiment of the present disclosure.
  • the applicable system may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (WCDMA) general packet Wireless business (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunications system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G new air interface (New Radio, NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet Wireless business
  • long term evolution long term evolution
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • TDD time division duplex
  • LTE-A Long term evolution advanced
  • UMTS universal mobile telecommunications
  • Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present disclosure are applicable.
  • a wireless communication system includes terminals and network equipment.
  • the communication device in this embodiment of the present disclosure may be a terminal or a network device, which is not limited here.
  • the terminal involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • the name of the terminal may be different.
  • the terminal may be called a user equipment (User Equipment, UE).
  • UE User Equipment
  • the wireless terminal can communicate with one or more core networks (Core Network, CN) via the radio access network (Radio Access Network, RAN), and the wireless terminal can be a mobile terminal, such as a mobile phone (or called a "cellular" phone) And computers with mobile terminals, such as portable, pocket, hand-held, built-in computer or vehicle-mounted mobile devices, which exchange speech and/or data with the radio access network.
  • CN Core Network
  • RAN Radio Access Network
  • RAN Radio Access Network
  • a wireless terminal may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, Remote terminal equipment (remote terminal), access terminal equipment (access terminal), user terminal equipment (user terminal), user agent (user agent), and user device (user device) are not limited in the embodiments of the present disclosure.
  • the network device involved in the embodiments of the present disclosure may be a base station, and the base station may include multiple cells that provide services for terminals.
  • the base station can also be called an access point, or it can be a device in the access network that communicates with wireless terminals through one or more sectors on the air interface, or by other names.
  • the network device can be used to interchange received over-the-air frames with Internet Protocol (IP) packets and act as a router between the wireless terminal and the rest of the access network, which can include IP communications network.
  • IP Internet Protocol
  • Network devices may also coordinate attribute management for the air interface.
  • the network equipment involved in the embodiments of the present disclosure may be a network equipment (Base Transceiver Station, BTS) in Global System for Mobile communications (GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA) ), it can also be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved network device in a long-term evolution (long term evolution, LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in the 5G network architecture (next generation system), can also be a home evolved base station (Home evolved Node B, HeNB), relay node (relay node) , a home base station (femto), a pico base station (pico), etc., are not limited in this embodiment of the present disclosure.
  • a network device may include a centralized unit (centralized unit, CU) node and a distributed unit (distributed unit, DU) node
  • MIMO transmission can be Single User MIMO (Single User MIMO, SU-MIMO) or Multi-User MIMO ( Multiple User MIMO, MU-MIMO).
  • MIMO transmission can be two-dimensional multiple-input multiple-output (2Dimension MIMO, 2D-MIMO), three-dimensional multiple-input multiple-output (3 Dimension MIMO, 3D-MIMO), full-dimensional multiple-input multiple-output ( Full Dimension MIMO, FD-MIMO) or massive multiple-input multiple-output (massive-MIMO), it can also be diversity transmission or precoding transmission or beamforming transmission, etc.
  • UCI includes HARQ-ACK, CSI, SR and other information.
  • HARQ-ACK is a general term for positive acknowledgment (ACKnowledgment, ACK) and negative acknowledgment (Non-ACKnowledgment, NACK), which is used for the physical downlink control channel for PDSCH or indicating semi-persistent scheduling (Semi-Persistent Scheduling, SPS) resource release (Physical Downlink Control Channel, PDCCH) (SPS PDSCH release) and other feedback, inform the base station PDSCH or indicate whether the PDCCH released by SPS PDSCH is received correctly;
  • CSI is used to feed back the quality of the downlink channel, thereby helping the base station to perform better downlink scheduling, for example
  • the modulation and coding level Modulation and Coding Scheme, MCS
  • RTB Resource Block
  • SR is used to request the base station to carry the PUSCH of the uplink service when the terminal has uplink
  • the PUCCH is transmitted on the primary carrier (Primary Component Carrier, PCC) or PCell.
  • PCC Primary Component Carrier
  • SCC Secondary Component Carrier
  • SCell Secondary Component Carrier
  • the aggregated carriers can be divided into two PUCCH carrier groups. There is a designated carrier in each PUCCH carrier group to transmit PUCCH.
  • the carrier group containing PCC is the primary PUCCH carrier group. PUCCH is transmitted on the PCC.
  • the secondary PUCCH carrier group is both SCC, high-level signaling configures one of the SCCs to transmit PUCCH, which is called a PUCCH SCell, and the HARQ-ACK for downlink transmission on all carriers in each carrier group is transmitted in the PUCCH on a designated carrier.
  • PUCCH SCell high-level signaling configures one of the SCCs to transmit PUCCH
  • PUCCH SCell high-level signaling configures one of the SCCs to transmit PUCCH
  • HARQ-ACK for downlink transmission on all carriers in each carrier group is transmitted in the PUCCH on a designated carrier.
  • DC Dual-connective
  • MCG Master Carrier Group
  • SCG Secondary Carrier Group
  • the PUCCH is transmitted, wherein the MCG includes the PCC, the PUCCH is transmitted on the PCC, all the SCGs are SCCs, and the PUCCH is transmitted on one of the pre-configured SCCs (or called PSCells).
  • DCI Downlink Control Information
  • the PDCCH itself that needs to perform HARQ-ACK such as the PDCCH indicating the release of downlink SPS resources, Indicates the PDCCH of SCell dormancy, the type (type) 3 HARQ-ACK codebook transmission triggered by DCI, and the time slot or sub-slot where the HARQ-ACK transmission is located can be based on the corresponding PDCCH or DCI (PDCCH and DCI can be considered Equivalently, DCI is the specific transmission format of the PDCCH, and the PDCCH is the transmission channel of the DCI) is determined by the feedback timing indication field.
  • DCI Downlink Control Information
  • the PDCCH carrying its scheduling information indicates the scheduling timing relationship between PDSCH and PDCCH (Scheduling timing, K0) and the feedback timing relationship between PDSCH and its corresponding HARQ-ACK (HARQ-ACK timing, K0). K1).
  • the time domain resource allocation indication field in the DCI format used by the PDCCH indicates the time slot offset K0 between the time slot where the PDSCH is located and the time slot where the DCI is located;
  • the PDSCH to HARQ-ACK feedback timing indication field in the DCI format indicates the end of the PDSCH
  • the number of time slots K1 between the start of HARQ-ACK, that is, assuming that the uplink and downlink sub-carrier spaces (sub-carrier space, SCS) are the same, the PDSCH transmitted in time slot n is HARQ- ACK transmission, as shown in Figure 2.
  • the full set of K1 is ⁇ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 ⁇ , which are usually configured for terminals with up to 8 values.
  • the value of K1 can be in units of time slots or sub-slots (sub-slots), where sub-slots can be pre-configured as 2 symbol lengths (that is, there are 7 sub-slots in sequence in a slot ), or 7 symbol lengths (that is, there are 2 sub-slots sequentially in one slot), etc.
  • Whether there is a feedback timing indication field in the DCI can be obtained according to whether the number of indication bits configured by high-layer signaling is greater than 0, or can be determined according to the number of elements in the feedback timing candidate value K1 set configured by high-layer signaling.
  • the number of elements When the number is greater than 1, the number of indicated bits is determined according to the number of elements (for example, ceil(log2N), N is the number of elements, and ceil is rounded up).
  • ceil(log2N) the number of elements
  • the time slot or sub-slot where the PUCCH transmission of semi-static UCI is located is determined semi-statically, called Semi-static feedback timing.
  • CSI and SR determine the time slot and the symbol position in the time slot of each transmission opportunity according to the period and offset value configured by the high-level signaling, so that they are periodically used in the corresponding time slot and the corresponding symbol position
  • the PUCCH resources configured by high-layer signaling are used for transmission.
  • SPS HARQ-ACK can determine the HARQ-ACK feedback position (that is, the time slot or sub-slot) according to the K1 value indicated by the feedback timing indication field in the PDCCH indicating the activation of the SPS PDSCH.
  • the HARQ-ACK feedback position is determined according to a K1 value configured in high layer signaling.
  • the PUCCH resource carrying CSI or SR is a PUCCH resource configured by higher layer signaling for each CSI report (report) or SR configuration.
  • one or more PUCCH resource sets can be configured for the HARQ-ACK bearing the downlink transmission with dynamic scheduling. If only one PUCCH resource set is configured, the PUCCH resource bearing the HARQ-ACK with the downlink transmission with dynamic scheduling can be according to The PUCCH resource indication field in the scheduling PDCCH selects a resource from multiple resources in this resource set.
  • the PUCCH resource indication field is a resource selected among multiple resources; if multiple PUCCH resource sets are configured, each PUCCH resource set corresponds to a different number of UCI transmission bits, and first select one of them according to the number of UCI bits carried by the PUCCH A PUCCH resource set, in the selected PUCCH resource set, a resource selected from multiple resources in the resource set according to the PUCCH resource indication field in the scheduling PDCCH. If there is only one PUCCH resource in a resource set, the PUCCH resource indication field may not exist in the PDCCH, and this resource can be directly used for transmission.
  • Control Channel Element, CCE Control Channel Element
  • the new radio system (New RAT, NR) (also known as the new air interface) also supports flexible uplink and downlink time slot ratios.
  • multiple time slots included in a period of time can be semi-statically configured through high-level signaling. Which are downlink time slots, which are uplink time slots, and which are mixed time slots containing both uplink and downlink.
  • high-level signaling can configure the starting point of all downlink time slots, the number of consecutive full The number of downlink symbols in a time slot after the first full uplink time slot, the number of uplink symbols in the time slot before the first full uplink time slot, the number of consecutive full uplink time slots or the end position, etc.; where there is no indication
  • the symbol position of the uplink or downlink symbol is regarded as a flexible symbol, and the flexible symbol can be dynamically used for downlink transmission or uplink transmission.
  • uplink and downlink ratio through dynamic instructions, for example, by periodically sending DCI indicating slot format (Slot Format Indication, SFI) to notify one or more consecutive time slots, each time slot
  • SFI Slot Format Indication
  • the uplink and downlink symbols are divided, so as to adjust the number of uplink and downlink symbols in each time slot.
  • the embodiments of the present disclosure provide an information confirmation method, device, and communication equipment to solve the problem in the related art that the transmission of the PUCCH leads to increased service transmission delay or poor transmission performance.
  • the method, device, and communication device are based on the same application idea. Since the principles of the method, device, and communication device to solve problems are similar, the implementation of the method, device, and communication device can be referred to each other, and the repetition will not be repeated.
  • the information confirmation method provided by the embodiment of the present disclosure is applied to a communication device, as shown in FIG. 3 , including:
  • Step 31 Determine whether carrier switching of the Physical Uplink Control Channel PUCCH can be performed according to the first condition; wherein the first condition includes at least one of the following: the PUCCH is on the first carrier and/or the second carrier and other The time domain overlap of the uplink channel; whether the resource of the PUCCH on the second carrier is available; wherein, the first carrier is the carrier where the PUCCH is transmitted before the handover, and the second carrier is the PUCCH after the handover The carrier on which the transmission is located; the other uplink channels are uplink channels other than the PUCCH.
  • the first condition includes at least one of the following: the PUCCH is on the first carrier and/or the second carrier and other The time domain overlap of the uplink channel; whether the resource of the PUCCH on the second carrier is available; wherein, the first carrier is the carrier where the PUCCH is transmitted before the handover, and the second carrier is the PUCCH after the handover The carrier on which the transmission is located; the other uplink channels are uplink channels other than the PUCCH.
  • other uplink channels may be on the first carrier, or the second carrier, or other carriers, which is not limited here.
  • the information confirmation method determines whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition; wherein the first condition includes at least one of the following: the PUCCH is on the first carrier and/or time domain overlap with other uplink channels on the second carrier; whether the resources of the PUCCH on the second carrier are available; wherein, the first carrier is the carrier where the PUCCH is transmitted before switching, and the The second carrier is the carrier where the PUCCH is transmitted after switching; the other uplink channels are uplink channels other than the PUCCH; accurate PUCCH carrier switching can be realized to ensure that the PUCCH cannot be transmitted on the carrier originally configured for transmission Switch to another carrier for transmission in time, so that there is no need to delay PUCCH transmission when the original carrier has insufficient scheduling resources or resource conflicts, avoiding the increase of PUCCH transmission delay, and preventing the increase of service transmission delay caused by PUCCH transmission It also increases the flexibility of PUCCH transmission, and can select a carrier with better channel status to transmit PUCCH
  • the determination of whether it can be performed according to the first condition includes: when the PUCCH resource corresponding to the PUCCH on the first carrier does not overlap with the physical uplink shared channel PUSCH in the time domain, determining that the carrier switching of the PUCCH can be performed; Otherwise, it is determined that the carrier switching of the PUCCH cannot be performed.
  • the PUSCH may be a PUSCH with physical downlink control channel (PDCCH) scheduling.
  • PDCCH physical downlink control channel
  • the determination of whether it can be performed according to the first condition includes: when the PUCCH resource corresponding to the PUCCH on the first carrier does not overlap with the first type of semi-static PUSCH in the time domain, determining that the carrier switching of the PUCCH can be performed ; Otherwise, it is determined that the carrier switching of the PUCCH cannot be performed; wherein, the first type of semi-static PUSCH includes a PUSCH without PDCCH scheduling, or the first type of semi-static PUSCH includes a PUSCH that cannot be transmitted and has no PDCCH scheduling The push.
  • the determination of whether it can be performed according to the first condition includes: when the PUCCH resources corresponding to the PUCCH on the first carrier overlap with the first uplink channel in the time domain, and the PUCCH resources corresponding to the PUCCH on the second carrier.
  • the carrier switching of the PUCCH includes: PUSCH and/or other PUCCHs except the PUCCH; the second uplink channel includes: PUSCH and/or other PUCCHs except the PUCCH.
  • the first uplink channel may be an uplink channel on the first carrier, or an uplink channel on any carrier; for the latter, that is, the PUCCH resources of the PUCCH on the first carrier and the first uplink channel on any carrier When overlapping, the conditions are met.
  • the second uplink channel can be an uplink channel on the second carrier, or an uplink channel on any carrier; for the latter, that is, the PUCCH resource of the PUCCH on the second carrier does not overlap with the second uplink channel on any carrier , the condition is satisfied.
  • the other PUCCHs have the same or different priorities from the PUCCHs; and/or, the other PUCCHs include: a PUCCH with a corresponding PDCCH; or, a PUCCH without a corresponding PDCCH.
  • the determining whether the carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition includes: When the PUCCH resource corresponding to the PUCCH on the second carrier is an available resource, it is determined that the carrier switching of the PUCCH can be performed; otherwise, it is determined that the carrier switching of the PUCCH cannot be performed; wherein the PUCCH resource satisfies
  • the resources are available when one or more of the following conditions are met: do not overlap with the downlink symbols on the second carrier, and do not overlap with the symbols occupied by the synchronization signal and the physical broadcast channel block SSB on the second carrier; satisfy the processing Delay; do not overlap with the other uplink channel in the time domain and/or frequency domain; do not overlap with the PUSCH on any carrier in the time domain.
  • the other uplink channels include at least one of the following: an uplink channel with PDCCH scheduling; an uplink channel without PDCCH scheduling; an uplink channel on the second carrier; an uplink channel on any carrier.
  • the PUSCH and the PUCCH have the same or different priorities.
  • the determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition includes: when it is determined according to a predetermined rule or signaling notification that the transmission of the PUCCH needs to be carried out in the current time unit During switching, it is determined whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition.
  • the operation of determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition is performed in the same carrier group.
  • the above-mentioned operation "determining that the carrier switching of the PUCCH can be performed” may exist independently of the above-mentioned operation “otherwise, determining that the PUCCH carrier switching cannot be performed", that is, the case of “otherwise” is not limited; It is determined that the handover can be performed under certain conditions, but it does not mean that otherwise, the handover must not be performed; for example: "When the PUCCH resource corresponding to the PUCCH on the first carrier and the physical uplink shared channel PUSCH are When there is no overlap between domains, it is determined that the carrier switching of the PUCCH can be performed” does not necessarily mean "when the PUCCH resource corresponding to the PUCCH on the first carrier overlaps with the physical uplink shared channel PUSCH in the time domain , it is determined that the carrier switching of the PUCCH cannot be performed", does not rule out that "when the PUCCH resource corresponding to the PUCCH on the first carrier overlaps with the physical uplink shared channel PUSCH in the time domain, if other conditions are
  • the information confirmation method provided by the embodiment of the present disclosure is illustrated below with an example.
  • the embodiments of the present disclosure provide an information confirmation method, which can be implemented as a method for determining whether to perform PUCCH carrier switching, so as to implement PUCCH carrier switching (that is, the method of PUCCH switching carrier transmission), that is, PUCCH from The carrier originally configured for transmission is switched to another carrier for transmission, so that there is no need to delay PUCCH transmission when the original carrier has insufficient scheduling resources or resource conflicts; thereby reducing the PUCCH transmission time.
  • PUCCH carrier switching that is, the method of PUCCH switching carrier transmission
  • the solution provided by the embodiments of the present disclosure mainly involves: (terminal or network device) for a PUCCH transmission, according to at least one or a combination of the following methods (which can be understood as: according to the PUCCH on the first carrier and/or the second carrier Time domain overlap with other uplink channels and/or whether PUCCH resources on the second carrier are available), determine whether carrier switching of PUCCH can be performed, wherein, the first carrier is the carrier where the PUCCH is transmitted before switching, and the second carrier It is the carrier where the PUCCH is transmitted after the handover.
  • the specific methods include the following:
  • the PUSCH is a PUSCH with downlink control channel PDCCH scheduling.
  • the channels involved may all belong to the same carrier group.
  • the first type of semi-static PUSCH is no PUSCH scheduled by PDCCH, such as Configured Grant (CG) PUSCH or semi-persistent channel state information (semi-persistent CSI, SP-CSI) PUSCH, or the first type of semi-static PUSCH that cannot be transmitted and has no PDCCH scheduling PUSCH, such as CG PUSCH or SP-CSI PUSCH, is determined when it conflicts with semi-statically configured downlink (Down Link, DL) symbols or synchronization signals and symbols occupied by physical broadcast channel blocks (Synchronization Signals/PBCH Block, SSB) Cannot be transmitted, and for example, when the CG PUSCH overlaps with the PUSCH with PDCCH scheduling on the same carrier in the time domain, the CG PUSCH is canceled and cannot be transmitted
  • the handover can be performed; otherwise, the handover cannot (can be) performed; corresponding to the above-mentioned when the PUCCH resource corresponding to the PUCCH on the second carrier is an available resource, Determine that the carrier switching of the PUCCH can be performed; otherwise, determine that the carrier switching of the PUCCH cannot be performed;
  • the PUCCH resource being an available resource at least means that one or more of the following conditions are met (corresponding to the above PUCCH resource being an available resource when one or more of the following conditions are met):
  • Condition 1 does not overlap with the downlink symbols on the second carrier (configured by high-layer signaling), and does not overlap with the symbols occupied by the SSB on the second carrier; corresponding to the above-mentioned downlink symbols that do not overlap with the second carrier overlap and do not overlap with the symbols occupied by the synchronization signal on the second carrier and the physical broadcast channel block SSB.
  • the processing delay is expressed as: satisfying the shortest time required for preparation of UCI transmitted on the PUCCH; for example, when the PUCCH carries HARQ-ACK, the starting symbol of the PUCCH resource and the HARQ -The time interval between the end symbols of the PDSCH or PDCCH fed back by ACK (such as the PDCCH indicating SPS resource release, the PDCCH indicating SCell dormancy) is not shorter than the predetermined processing time, and the time interval is PDCCH, PDSCH processing and preparation in The time required to transmit HARQ-ACK on PUCCH is defined as, for example, where N_1 is the processing time related to the processing capability of the PDSCH that needs HARQ-ACK feedback, and a value is selected in the processing capability list according to the reference ⁇ , and ⁇ is LTE The ratio between the adoption interval and the NR sampling interval, ⁇ is the index of the SCS, the reference ⁇ is the minimum value of ⁇ corresponding to the
  • other uplink channels may include uplink channels with PDCCH scheduling, or uplink channels without PDCCH scheduling (such as uplink transmission configured by high-level signaling, For example, semi-static uplink transmissions such as Sounding Reference Symbol (Sounding Reference Symbol, SRS), SP-CSI, CG PUSCH, etc.), can be the uplink channel on the second carrier, or the uplink channel on any carrier;
  • the PUSCH on the two carriers overlaps in the time domain and/or the frequency domain, or does not overlap with the PUSCH on any carrier in the time domain, etc.; corresponding to the above-mentioned not overlapping with the other uplink channel in the time domain and/or frequency domain Overlapping;
  • the other uplink channels include at least one of the following: an uplink channel with PDCCH scheduling; an uplink channel without PDCCH scheduling; an uplink channel on the second carrier; an uplink channel on any carrier.
  • Condition 4 does not overlap with PUSCH on any carrier in the time domain
  • the channels involved in this manner may all belong to the same carrier group.
  • the PUCCH transmission determines that carrier switching needs to be performed in the current time unit according to predetermined rules or signaling notifications
  • the above behavior of determining whether to perform carrier switching is performed. (That is to say, it is determined to perform carrier switching according to rules or signaling notifications, and the above-mentioned conditions for carrier switching to be performed must be satisfied at the same time before carrier switching can be actually performed; otherwise, carrier switching is not performed); corresponding to the above when according to predetermined rules or
  • the signaling notification determines that the transmission of the PUCCH requires carrier switching in the current time unit, it is determined whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition.
  • the channels involved may all belong to the same carrier group.
  • the above-mentioned PUSCH and PUCCH have the same or different priorities (preferably, they have the same priority, if they have different priorities, they can support PUCCH and PUSCH multiplexing transmission with different priorities, that is
  • the UCI on the PUCCH can be transferred to the PUSCH for transmission, if the PUSCH cannot carry the UCI on the PUCCH, whether such a PUSCH overlaps with the PUCCH will not affect the carrier switching of the PUCCH); the channels involved can all belong to the same carrier group.
  • the other PUCCH and the PUCCH have the same or different priorities (if they are different priorities, multiplexing transmission between PUCCHs with different priorities can be supported, that is, one can be obtained
  • the PUCCH resource transmits the UCI on these PUCCHs at the same time, if the UCI on the PUCCH will be discarded during the multiplexing process, then this PUCCH can be switched); the channels involved may all belong to the same carrier group.
  • the other PUCCH may be a PUCCH with a corresponding PDCCH, or a PUCCH without a corresponding PDCCH;
  • a PUCCH with a corresponding PDCCH is, for example, a PUCCH that bears dynamic UCI
  • the dynamic UCI is a PUCCH corresponding to a PDSCH with PDCCH scheduling HARQ-ACK or HARQ-ACK of PDCCH that needs HARQ-ACK;
  • there is no PUCCH corresponding to PDCCH such as PUCCH carrying semi-static UCI
  • semi-static UCI includes: at least one of HARQ-ACK, CSI, and SR corresponding to SPS PDSCH types; the channels involved may all belong to the same carrier group.
  • the above behavior is performed internally for a carrier group; corresponding to the above when configured
  • the operation of determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition is performed in the same carrier group.
  • the first carrier and the second carrier belong to the same carrier group; and/or, at least one of the other uplink channel, the downlink channel scheduling the other uplink channel, and the downlink channel corresponding to the other uplink channel item, which corresponds to the same carrier group as the PUCCH.
  • Example 1 According to a predetermined rule or signaling indication (that is, the above-mentioned signaling notification), it is determined that the PUCCH transmitted in the time slot n (corresponding to the above-mentioned current time unit) of the first carrier is a PUCCH that requires carrier switching, and then further according to The above method determines whether carrier switching is possible, for example:
  • the PUCCH on the first carrier does not overlap with the PUSCH in the time domain (that is, the corresponding PUCCH resource on the first carrier does not overlap with the PUSCH in the time domain)
  • handover can be performed, and then the second carrier can be determined according to specific rules.
  • PUCCH carrier switching cannot be performed, and the overlap of PUCCH and PUSCH on the first carrier is directly processed according to existing regulations.
  • the first carrier does not support multiplexing transmission between PUCCH and PUSCH, for example, PUCCH carries SR, and PUSCH carries SP-CSI And there is no transport block (Transport Block, TB) transmission.
  • Transport Block Transport Block
  • the PUSCH will be discarded and only the PUCCH will be transmitted. If the resources of the PUCCH on the first carrier are not available, the PUCCH cannot be transmitted; for example, the priorities of the PUCCH and the PUSCH are different. , and does not support multiplexed transmission between channels of different priorities, then according to the priorities, discard low-priority channels and only transmit high-priority channels.
  • replacing the PUSCH with the first-type semi-static PUSCH or the PUSCH with PDCCH scheduling is also applicable.
  • the PUSCH and the PUCCH may both be on the first carrier, or the PUSCH and the PUCCH may be on different carriers, for example, the PUSCH is on the second carrier or even on other carriers, such as the third carrier.
  • the PUSCH is on the second carrier or even on other carriers, such as the third carrier.
  • Example 2 According to a predetermined rule or signaling indication (that is, the above-mentioned signaling notification), it is determined that the PUCCH1 transmitted in the time slot n (corresponding to the above-mentioned current time unit) of the first carrier is a PUCCH that requires carrier switching, and then further according to The above method determines whether carrier switching is possible, for example:
  • PUCCH1 on the first carrier overlaps with PUCCH2 on the first carrier in the time domain, and the PUCCH resource (PUCCH1') corresponding to PUCCH1 on the second carrier is determined in the time domain with PUCCH2 on the first carrier according to the above method If there is also overlap, even if carrier switching is performed, there is still a conflict, and it can be determined that PUCCH1 does not perform carrier switching; subsequently, the overlap between PUCCHs will be processed on the first carrier according to the established scheme, for example, multiplexing transmission between PUCCHs is supported , directly perform multiplexed transmission with PUCCH2 on the first carrier, and if the resource (PUCCH3) after the multiplexed transmission is available (for example, there is no conflict with the symbols occupied by DL symbols or SSB), then the determined PUCCH
  • HARQ-ACK is carried on PUCCH1, and CSI and/or SR can be carried on PUCCH2, and it is assumed that the priorities of PUCCHs are the same; of course, it can also be assumed that the priorities of PUCCH1 and PUCCH2 are different
  • HARQ-ACK with low priority on PUCCH1 and HARQ-ACK with high priority on PUCCH2 if it is determined that PUCCH1 cannot be switched, whether the multiplexed transmission behavior of PUCCH1 and PUCCH2 on the first carrier can be performed depends on Whether to support PUCCH multiplexing transmission with different priorities.
  • PUCCH1 replaces PUCCH2 with PUSCH, and the related methods are also applicable, except that when it is determined that PUCCH1 does not perform carrier switching, the UCI on PUCCH1 is multiplexed on PUSCH on the first carrier (if this multiplexing behavior is supported), Thus PUCCH1 is not transmitted.
  • Example 3 According to predetermined rules or signaling indications (that is, the above-mentioned signaling notification), it is determined that the PUCCH transmitted in the time slot n (corresponding to the above-mentioned current time unit) of the first carrier is a PUCCH that needs to be switched between carriers, and then further according to The above method determines whether carrier switching is possible, for example:
  • the PUCCH transmission resource on the second carrier is available (corresponding to the above-mentioned PUCCH resource on the second carrier is an available resource; for example, it does not overlap with the DL symbol or the symbol occupied by the SSB on the second carrier), Then it is determined that carrier switching can be performed. After the switching, PUCCH transmission is performed on the corresponding resource on the second carrier, as shown in FIG.
  • the rule for judging whether carrier switching is possible is replaced by whether the PUCCH resources on the second carrier meet the processing delay, or whether the PUCCH resources on the second carrier overlap with other uplink channels on the second carrier, or Whether the PUCCH resource on the second carrier overlaps with the PUSCH on any carrier is also applicable and will not be repeated here.
  • the SCSs of the first carrier and the second carrier are the same as an example, and this method is also applicable when the SCSs of the two are different; only when the transmission units of the PUCCH on the first carrier and the second carrier are both For example, if the first carrier is a time slot, one carrier is a sub-slot, or both carriers are sub-slots, and the symbols contained in the sub-slots are the same or different, this method is applicable ,No longer.
  • this solution mainly involves: judging whether the PUCCH that needs to be switched by the PUCCH carrier can be switched according to a specific condition, so as to reduce unnecessary switching.
  • this solution provides a method for determining whether to perform PUCCH carrier switching, according to the channel overlap situation of PUCCH on the pre-switching carrier and/or on the post-switching carrier, and/or whether the resources after switching are available, etc. It is judged whether PUCCH carrier switching can be performed, so as to avoid unnecessary carrier switching behavior, save UE power, and simplify the implementation process.
  • An embodiment of the present disclosure also provides a communication device, as shown in FIG. 10 and FIG. 11 , including a memory 101, a transceiver 102, and a processor 103:
  • the memory 101 is used to store computer programs; the transceiver 102 is used to send and receive data under the control of the processor 103; the processor 103 is used to read the computer programs in the memory 101 and perform the following operations:
  • the first condition includes at least one of the following:
  • the first carrier is the carrier where the PUCCH is transmitted before the handover
  • the second carrier is the carrier where the PUCCH is transmitted after the handover
  • the other uplink channels are uplink channels other than the PUCCH.
  • the communication device determines whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition; wherein the first condition includes at least one of the following: the PUCCH is on the first carrier and /or the time domain overlap of the second carrier and other uplink channels; whether the resources of the PUCCH on the second carrier are available; wherein, the first carrier is the carrier where the PUCCH is transmitted before switching, and the second The second carrier is the carrier on which the PUCCH is transmitted after switching; the other uplink channels are uplink channels other than the PUCCH; accurate PUCCH carrier switching can be achieved to ensure that the PUCCH cannot be transmitted on the carrier originally configured for transmission Switch to another carrier for transmission, so that there is no need to delay PUCCH transmission when the original carrier has insufficient scheduling resources or resource conflicts, avoiding the increase of PUCCH transmission delay, and preventing the increase of service transmission delay caused by PUCCH transmission At the same time, the flexibility of PUCCH transmission is also increased, and the carrier with better channel state can be
  • the communication device in the embodiment of the present disclosure is a network device
  • its structure may be as shown in FIG. 10 , wherein a transceiver 102 is configured to receive and send data under the control of a processor 103 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 103 and various circuits of the memory represented by the memory 101 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
  • the bus interface provides the interface.
  • Transceiver 102 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media.
  • the processor 103 is responsible for managing the bus architecture and general processing, and the memory 101 can store data used by the processor 103 when performing operations.
  • the processor 103 can be a central processing unit (Central Processing Unit, CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • the communication device in the embodiment of the present disclosure is a terminal
  • its structure may be as shown in FIG. 11 , wherein a transceiver 102 is configured to receive and send data under the control of a processor 103 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 103 and various circuits of the memory represented by the memory 101 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
  • the bus interface provides the interface.
  • Transceiver 102 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, fiber optic cables, etc. Transmission medium.
  • the user interface 104 may also be an interface capable of connecting externally and internally to required equipment, and the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 103 is responsible for managing the bus architecture and general processing, and the memory 101 can store data used by the processor 103 when performing operations.
  • the processor 103 may be a CPU, ASIC, FPGA or CPLD, and the processor may also adopt a multi-core architecture.
  • the processor is used to execute any one of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory.
  • the processor and memory may also be physically separated.
  • the determination of whether it can be performed according to the first condition includes: when the PUCCH resource corresponding to the PUCCH on the first carrier does not overlap with the physical uplink shared channel PUSCH in the time domain, determining that the carrier switching of the PUCCH can be performed; Otherwise, it is determined that the carrier switching of the PUCCH cannot be performed.
  • the PUSCH is a PUSCH with physical downlink control channel (PDCCH) scheduling.
  • PDCCH physical downlink control channel
  • the determination of whether it can be performed according to the first condition includes: when the PUCCH resource corresponding to the PUCCH on the first carrier does not overlap with the first type of semi-static PUSCH in the time domain, determining that the carrier switching of the PUCCH can be performed ; Otherwise, it is determined that the carrier switching of the PUCCH cannot be performed; wherein, the first type of semi-static PUSCH includes a PUSCH without PDCCH scheduling, or the first type of semi-static PUSCH includes a PUSCH that cannot be transmitted and has no PDCCH scheduling The push.
  • the carrier switching of the PUCCH includes: when the PUCCH resources corresponding to the PUCCH on the first carrier overlap with the first uplink channel in the time domain, and the PUCCH resources corresponding to the PUCCH on the second carrier are the same as the first uplink channel.
  • the first uplink channel includes: PUSCH and/or Other PUCCHs except the PUCCH
  • the second uplink channel includes: PUSCH and/or other PUCCHs except the PUCCH.
  • the other PUCCHs have the same or different priorities from the PUCCHs; and/or, the other PUCCHs include: a PUCCH with a corresponding PDCCH; or, a PUCCH without a corresponding PDCCH.
  • the determining whether the carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition includes: When the PUCCH resource corresponding to the PUCCH on the second carrier is an available resource, it is determined that the carrier switching of the PUCCH can be performed; otherwise, it is determined that the carrier switching of the PUCCH cannot be performed; wherein the PUCCH resource satisfies
  • the resources are available when one or more of the following conditions are met: do not overlap with the downlink symbols on the second carrier, and do not overlap with the symbols occupied by the synchronization signal and the physical broadcast channel block SSB on the second carrier; satisfy the processing Delay; do not overlap with the other uplink channel in the time domain and/or frequency domain; do not overlap with the PUSCH on any carrier in the time domain.
  • the other uplink channels include at least one of the following: an uplink channel with PDCCH scheduling; an uplink channel without PDCCH scheduling; an uplink channel on the second carrier; an uplink channel on any carrier.
  • the PUSCH and the PUCCH have the same or different priorities.
  • the determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition includes: when it is determined according to a predetermined rule or signaling notification that the transmission of the PUCCH needs to be carried out in the current time unit During switching, it is determined whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition.
  • the operation of determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition is performed in the same carrier group.
  • An embodiment of the present disclosure also provides an information confirmation device, which is applied to a communication device, as shown in FIG. 12 , including:
  • the first determining unit 121 is configured to determine whether carrier switching of the Physical Uplink Control Channel PUCCH can be performed according to the first condition
  • the first condition includes at least one of the following:
  • the first carrier is the carrier where the PUCCH is transmitted before the handover
  • the second carrier is the carrier where the PUCCH is transmitted after the handover
  • the other uplink channels are uplink channels other than the PUCCH.
  • the information confirmation device determines whether carrier switching of the Physical Uplink Control Channel PUCCH can be performed according to the first condition; wherein the first condition includes at least one of the following: the PUCCH is on the first carrier and/or time domain overlap with other uplink channels on the second carrier; whether the resources of the PUCCH on the second carrier are available; wherein, the first carrier is the carrier where the PUCCH is transmitted before switching, and the The second carrier is the carrier where the PUCCH is transmitted after switching; the other uplink channels are uplink channels other than the PUCCH; accurate PUCCH carrier switching can be realized to ensure that the PUCCH cannot be transmitted on the carrier originally configured for transmission Switch to another carrier for transmission in time, so that there is no need to delay PUCCH transmission when the original carrier has insufficient scheduling resources or resource conflicts, avoiding the increase of PUCCH transmission delay, and preventing the increase of service transmission delay caused by PUCCH transmission It also increases the flexibility of PUCCH transmission, and can select a carrier with better channel status to transmit PUCCH
  • the determination of whether it can be performed according to the first condition includes: when the PUCCH resource corresponding to the PUCCH on the first carrier does not overlap with the physical uplink shared channel PUSCH in the time domain, determining that the carrier switching of the PUCCH can be performed; Otherwise, it is determined that the carrier switching of the PUCCH cannot be performed.
  • the PUSCH is a PUSCH with physical downlink control channel (PDCCH) scheduling.
  • PDCCH physical downlink control channel
  • the determination of whether it can be performed according to the first condition includes: when the PUCCH resource corresponding to the PUCCH on the first carrier does not overlap with the first type of semi-static PUSCH in the time domain, determining that the carrier switching of the PUCCH can be performed ; Otherwise, it is determined that the carrier switching of the PUCCH cannot be performed; wherein, the first type of semi-static PUSCH includes a PUSCH without PDCCH scheduling, or the first type of semi-static PUSCH includes a PUSCH that cannot be transmitted and has no PDCCH scheduling The push.
  • the determination of whether it can be performed according to the first condition includes: when the PUCCH resources corresponding to the PUCCH on the first carrier overlap with the first uplink channel in the time domain, and the PUCCH resources corresponding to the PUCCH on the second carrier.
  • the carrier switching of the PUCCH includes: PUSCH and/or other PUCCHs except the PUCCH; the second uplink channel includes: PUSCH and/or other PUCCHs except the PUCCH.
  • the other PUCCH and the PUCCH have the same or different priority; and/or, the other PUCCH includes: a PUCCH with a corresponding PDCCH; or, a PUCCH without a corresponding PDCCH.
  • the determining whether the carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition includes: When the PUCCH resource corresponding to the PUCCH on the second carrier is an available resource, it is determined that the carrier switching of the PUCCH can be performed; otherwise, it is determined that the carrier switching of the PUCCH cannot be performed; wherein the PUCCH resource satisfies
  • the resources are available when one or more of the following conditions are met: do not overlap with the downlink symbols on the second carrier, and do not overlap with the symbols occupied by the synchronization signal and the physical broadcast channel block SSB on the second carrier; satisfy the processing Delay; do not overlap with the other uplink channel in the time domain and/or frequency domain; do not overlap with the PUSCH on any carrier in the time domain.
  • the other uplink channels include at least one of the following: an uplink channel with PDCCH scheduling; an uplink channel without PDCCH scheduling; an uplink channel on the second carrier; an uplink channel on any carrier.
  • the PUSCH and the PUCCH have the same or different priorities.
  • the determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition includes: when it is determined according to a predetermined rule or signaling notification that the transmission of the PUCCH needs to be carried out in the current time unit During switching, it is determined whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition.
  • the operation of determining whether carrier switching of the physical uplink control channel PUCCH can be performed according to the first condition is performed in the same carrier group.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software function unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the essence of the technical solution of the present disclosure or the part that contributes to the related technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium.
  • a computer device which may be a personal computer, a server, or a network device, etc.
  • a processor processor
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .
  • An embodiment of the present disclosure also provides a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, and the computer program is configured to enable the processor to execute the above information confirmation method.
  • the processor-readable storage medium may be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (such as floppy disk, hard disk, magnetic tape, magneto-optical disk (Magneto-Optical Disk, MO) etc.) , optical storage (such as compact disc (Compact Disk, CD), digital video disc (Digital Versatile Disc, DVD), Blu-ray Disc (Blu-ray Disc, BD), high-definition universal disc (High-Definition Versatile Disc, HVD), etc.), And semiconductor memory (such as read-only memory (Read-Only Memory, ROM), erasable programmable read-only memory (Erasable Programmable Read-Only Memory, EPROM), charged erasable programmable read-only memory (Electrically Erasable Programmable read only memory, EEPROM), non-volatile memory (NAND FLASH), solid state hard disk (Solid State Disk or Solid State Drive, SSD)), etc.
  • magnetic storage such as f
  • the implementation embodiments of the above-mentioned information confirmation method are all applicable to the embodiment of the processor-readable storage medium, and can also achieve the same technical effect.
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, the present disclosure can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) having computer-usable program code embodied therein.
  • processor-executable instructions may also be stored in a processor-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, such that the instructions stored in the processor-readable memory produce a manufacturing product, the instruction device realizes the functions specified in one or more procedures of the flow chart and/or one or more blocks of the block diagram.
  • processor-executable instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented
  • the executed instructions provide steps for implementing the functions specified in the procedure or procedures of the flowchart and/or the block or blocks of the block diagrams.
  • the division of the above modules is only a division of logical functions, and may be fully or partially integrated into a physical entity or physically separated during actual implementation.
  • these modules can all be implemented in the form of calling software through processing elements; they can also be implemented in the form of hardware; some modules can also be implemented in the form of calling software through processing elements, and some modules can be implemented in the form of hardware.
  • the determining module may be a separate processing element, or may be integrated in a chip of the above-mentioned device.
  • it may be stored in the memory of the above-mentioned device in the form of program code, and a certain processing element of the above-mentioned device may Call and execute the functions of the modules identified above.
  • each step of the above-mentioned method or each of the above-mentioned modules can be completed by an integrated logic circuit of hardware in the processor element or an instruction in the form of software.
  • each module, unit, subunit or submodule may be one or more integrated circuits configured to implement the above method, for example: one or more specific integrated circuits (Application Specific Integrated Circuit, ASIC), or, one or Multiple microprocessors (digital signal processor, DSP), or, one or more field programmable gate arrays (Field Programmable Gate Array, FPGA), etc.
  • ASIC Application Specific Integrated Circuit
  • DSP digital signal processor
  • FPGA Field Programmable Gate Array
  • the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processors that can call program codes.
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip

Landscapes

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

Abstract

La présente demande concerne un procédé et un appareil de confirmation d'informations, ainsi qu'un dispositif de communication. Le procédé de confirmation d'informations consiste à : déterminer, selon une première condition, si une commutation de porteuse d'un canal de commande de liaison montante physique (PUCCH) peut être effectuée, la première condition comprenant au moins l'un des éléments suivants : le chevauchement dans le domaine temporel, sur une première porteuse et/ou une seconde porteuse, entre le PUCCH et d'autres canaux de liaison montante ; et le fait qu'une ressource du PUCCH sur la seconde porteuse est disponible, la première porteuse étant une porteuse dans laquelle se situe la transmission PUCCH avant la commutation, la seconde porteuse étant une porteuse dans laquelle se situe la transmission PUCCH après la commutation, et les autres canaux de liaison montante étant des canaux de liaison montante autres que le PUCCH.
PCT/CN2022/090927 2021-05-11 2022-05-05 Procédé et appareil de confirmation d'informations, et dispositif de communication WO2022237611A1 (fr)

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