WO2022028410A1 - 半静态反馈码本的确定方法、装置及存储介质 - Google Patents

半静态反馈码本的确定方法、装置及存储介质 Download PDF

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Publication number
WO2022028410A1
WO2022028410A1 PCT/CN2021/110273 CN2021110273W WO2022028410A1 WO 2022028410 A1 WO2022028410 A1 WO 2022028410A1 CN 2021110273 W CN2021110273 W CN 2021110273W WO 2022028410 A1 WO2022028410 A1 WO 2022028410A1
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time slot
semi
sliv
pdsch
target time
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PCT/CN2021/110273
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English (en)
French (fr)
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司倩倩
高雪娟
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大唐移动通信设备有限公司
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Priority claimed from CN202011087013.9A external-priority patent/CN114070491B/zh
Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Publication of WO2022028410A1 publication Critical patent/WO2022028410A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a method, an apparatus, and a storage medium for determining a semi-static feedback codebook.
  • the scheduling can be performed by referring to the Start and Length Indicator Value (Start and Length Indicator Value, SLIV).
  • the semi-static codebook is extended based on the SLIV in the time slot corresponding to the feedback timing value K1 of all Hybrid Automatic Repeat Requests (HARQ).
  • HARQ Hybrid Automatic Repeat Requests
  • the current semi-static codebook determination method has redundant feedback information bits.
  • Embodiments of the present application provide a method, an apparatus, and a storage medium for determining a semi-static codebook, so as to solve the problem of redundant feedback information bits in the current semi-static codebook determination method.
  • an embodiment of the present application provides a method for determining a semi-static codebook, including:
  • the preset time The SLIV set in the domain resource allocation TDRA table is extended, and the semi-static feedback codebook is determined based on the extended SLIV set of each target time slot, wherein the target time slot is the physical downlink control channel PDCCH detection with preset format DCI time slot of opportunity.
  • an embodiment of the present application provides an apparatus for determining a semi-static feedback codebook, including a memory, a transceiver, and a processor:
  • a memory for storing a computer program
  • a transceiver for sending and receiving data under the control of the processor
  • a processor for reading the computer program in the memory and performing the following operations:
  • the preset time The SLIV set in the domain resource allocation TDRA table is extended, and the semi-static feedback codebook is determined based on the extended SLIV set of each target time slot, wherein the target time slot is the physical downlink control channel PDCCH detection with preset format DCI time slot of opportunity.
  • an apparatus for determining a semi-static feedback codebook including:
  • the determining module is configured to use the reference start and length indication value SLIV mode to schedule the physical downlink shared channel PDSCH in a carrier configuration, and the repeated transmission of the PDSCH and/or the semi-persistently scheduled SPS transmission are not configured, and the target time slot is not configured.
  • the SLIV set in the preset time domain resource allocation TDRA table is expanded in the TDRA table, and the semi-static feedback codebook is determined based on the expanded SLIV set of each target time slot, wherein the target time slot is a physical device with a preset format DCI.
  • the time slot of the downlink control channel PDCCH detection opportunity is configured to use the reference start and length indication value SLIV mode to schedule the physical downlink shared channel PDSCH in a carrier configuration, and the repeated transmission of the PDSCH and/or the semi-persistently scheduled SPS transmission are not configured, and the target time slot is not configured.
  • the SLIV set in the preset time domain resource allocation TDRA table is expanded in the TD
  • an embodiment of the present application provides a processor-readable storage medium, where the processor-readable storage medium stores a computer program, and the computer program is configured to cause the processor to execute the above-mentioned first aspect. steps of the method.
  • the SLIV set in the preset TDRA table is expanded only in the target time slot , and determine the semi-static feedback codebook based on the extended SLIV set of each target time slot, and the target time slot is the time slot that has the PDCCH detection opportunity of the DCI of the preset format, which avoids the prior art based on all HARQ
  • the SLIV in the time slot corresponding to the feedback timing value extends the semi-static codebook, because not all time slots have DCI transmission in the preset format, there is the problem of redundant feedback information bits, and the redundant feedback information bits are removed.
  • the remaining feedback bits reduce the size of the semi-static codebook and improve the feedback performance.
  • FIG. 1 is a flowchart of steps of a method for determining a semi-static feedback codebook in an embodiment of the present application
  • FIG. 2 is a schematic transmission diagram of the first embodiment in the embodiments of the present application.
  • FIG. 3 is a schematic transmission diagram of the second embodiment in the embodiment of the present application.
  • FIG. 4 is a schematic transmission diagram of the third embodiment in the embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of an apparatus for determining a semi-static feedback codebook in an embodiment of the present application
  • FIG. 6 is a block diagram of a module of an apparatus for determining a semi-static feedback codebook in an embodiment of the present application.
  • the term “plurality” refers to two or more than two, and other quantifiers are similar.
  • the Hybrid Automatic Repeat Request (HARQ) feedback timing value K1 represents the Physical Uplink Control Channel (Physical Uplink Control) that carries the HARQ-ACK feedback Channel, PUCCH) relative to the PDSCH or the number of time slot offsets of the end time slot of the PDCCH released by the PDSCH indicating semi-persistent scheduling (Semi Persistent Scheduling).
  • the Downlink Control Indicator (DCI) format 1_0 contains a 3-bit HARQ feedback timing indication information field, which is mapped to a predetermined set of HARQ feedback timing values ⁇ 1, 2, 3, 4, 5, 6, 7, 8 ⁇ a value in .
  • DCI format 1_1 may contain 0, 1, 2 or 3 bits of HARQ feedback timing indication information field, and the specific number of bits depends on the number of elements in the HARQ feedback timing value set configured by higher layer signaling.
  • the feedback timing value is mapped to one of a set of HARQ feedback timing value sets configured by higher layer signaling.
  • the terminal When the terminal is configured to use the semi-static HARQ-ACK codebook, the terminal first determines each carrier ( carrier) corresponding to the PDSCH position set M_(A, C) for which HARQ-ACK feedback is performed in the same time slot n. Then the HARQ-ACK of PDSCH received in the PDSCH position set is mapped to the corresponding position in the HARQ-ACK feedback sequence according to M_(A, C), so as to obtain the HARQ-ACK codebook transmitted in time slot n.
  • the terminal first determines the number of time slots on the carrier that need to be fed back in one time slot based on the HARQ feedback timing configured by the high-level signaling, and then, in these time slots, determines the maximum number of PDSCHs that can be transmitted in each time slot number. If a semi-static time slot structure is configured, candidate PDSCHs that do not meet the PDSCH transmission conditions need to be removed based on the time slot structure.
  • the HARQ-ACK codebook on each carrier needs to be determined according to the above process, and finally the HARQ-ACK codebooks of different carriers are concatenated according to the carrier order to obtain the final HARQ-ACK codebook.
  • SLIV Supports the scheduling method of reference SLIV, that is, the starting position of the PDCCH is used as the reference point for PDSCH transmission, which can significantly reduce the number of rows in the TDRA table, thereby reducing the overhead of the corresponding information field in the DCI, or in other words, the number of indication bits remains unchanged. In the case of , more SLIVs can be configured to improve scheduling flexibility.
  • the start position is determined relative to the start symbol of the PDCCH detection opportunity.
  • this scheduling method can be used for local carrier scheduling and cross-carrier scheduling, and the scheduling carrier and the scheduled carrier have the same baseband parameters, but are not supported for cross-carrier scheduling scenarios with different baseband parameters.
  • the semi-static codebook is currently extended based on the SLIV in all the time slots corresponding to K1, but in the time slots corresponding to K1, not all time slots have DCI format 1_2 transmission , so the current semi-static codebook determination method has redundant feedback information bits.
  • the embodiments of the present application provide a method, an apparatus, and a storage medium for determining a semi-static feedback codebook, so as to solve the problem of redundant feedback information bits in the current semi-static codebook determination method.
  • the present application may be executed by the terminal, and may also be executed by the network side, and of course may also be jointly executed by the terminal and the network side device, which is not limited herein.
  • the method and the device are conceived based on the same application. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and repeated descriptions will not be repeated here.
  • 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 (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (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 telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G New Radio (New Radio, NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband Code Division Multiple Access
  • general packet Wireless service general packet Radio service
  • GPRS general packet Wireless service
  • LTE long term evolution
  • LTE long term evolution
  • FDD frequency division duplex
  • FDD frequency division duplex
  • TDD time division duplex
  • the terminal device involved in the embodiments of the present application 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 device connected to a wireless modem.
  • the name of the terminal device may be different.
  • the terminal device may be called user equipment (User Equipment, UE).
  • Wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via a radio access network (Radio Access Network, RAN).
  • RAN Radio Access Network
  • "telephone) and computers with mobile terminal equipment eg portable, pocket-sized, hand-held, computer-built or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
  • Wireless terminal equipment may also be referred to as system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in the embodiments of the present application.
  • the network device involved in the embodiments of the present application may be a base station, and the base station may include a plurality of cells providing services for the terminal.
  • the base station may also be called an access point, or may be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or other names.
  • the network device can be used to exchange received air frames with Internet Protocol (IP) packets, and act as a router between the wireless terminal device and the rest of the access network, which can include the Internet. Protocol (IP) communication network.
  • IP Internet Protocol
  • the network devices may also coordinate attribute management for the air interface.
  • the network device involved in the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in the 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 (LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in 5G network architecture (next generation system), or Home evolved Node B (HeNB), relay node (relay node) , a home base station (femto), a pico base station (pico), etc., which are not limited in the embodiments of the present application.
  • network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, which may also be geographically separated.
  • FIG. 1 it is a flowchart of steps of a method for determining a semi-static feedback codebook in an embodiment of the present application, and the method includes the following steps:
  • Step 101 When the reference SLIV method is used to schedule PDSCH on one carrier, and the repeated transmission of PDSCH is not configured and/or the semi-persistently scheduled SPS transmission is not configured, expand the SLIV set in the preset TDRA table in the target time slot , and the semi-static feedback codebook is determined based on the extended SLIV set of each target slot.
  • the target time slot is a time slot in which a PDCCH detection opportunity of DCI of a preset format exists.
  • a reference SLIV-based scheduling method when configured on a carrier, and PDSCH repeated transmission and/or semi-persistent scheduling SPS transmission is not configured, it may be determined in the time slot corresponding to the HARQ feedback timing value K1 first.
  • the SLIV set in the preset TDRA table is extended in each target time slot, so as to determine the semi-static feedback codebook;
  • the SLIV in the time slot of the detection opportunity of the preset format DCI is extended, instead of extending the semi-static codebook based on the SLIV in the time slot corresponding to all the HARQ feedback timing values K1, thus avoiding the need for the time slot corresponding to K1. Since not all time slots have the problem of redundant feedback information bits in the DCI transmission of the preset format, the redundant feedback bits are removed, the size of the semi-static codebook is reduced, and the feedback performance is improved.
  • the preset format DCI is the DCI of the 1_2 format, that is, the DCI format (format) is the DCI format 1_2.
  • the target time slot may be determined in the time slot corresponding to the HARQ feedback timing value based on the physical resource set (CORESET) configuration information and the search space configuration information of the DCI in the preset format. That is, when the target time slot is determined in the time slot corresponding to the HARQ feedback time slot value, based on the CORESET configuration and the search space configuration of the DCI in the preset format, it can be determined in which time slots there is DCI transmission in the preset format, so as to In the time slot corresponding to the HARQ feedback timing value, it is determined that there is a target time slot of the DCI in the preset format.
  • CORESET physical resource set
  • the repeated transmission of the PDSCH is not configured, which may include any of the following situations:
  • the pdsch_aggregationfactor is not included in the RRC parameter pdsch_config, the pdsch_aggregationfactor-r16 is not included in the RRC parameter SPS_config, and the RepetitionNumber-r16 is not configured.
  • condition for extending the SLIV set in the preset TDRA table in the target time slot includes: the semi-static codebook does not contain feedback information of the SPS transmitted using the reference SLIV.
  • the semi-static codebook does not contain the feedback information of the SPS transmitted using the reference SLIV, which may be: the base station does not configure the reference SLIV and SPS transmission at the same time on one carrier; or when the base station configures the reference SLIV, the SPS cannot use the reference SLIV Transmission is performed, that is, SPS transmission cannot be activated using DCI format 1_2; or the base station is configured not to transmit SPS in the time slot where the reference SLIV exists.
  • the feedback information of the SPS transmitted using the reference SLIV may not be included in the semi-static codebook.
  • the feedback information of the carrier does not include the feedback information of the SPS transmitted using the reference SLIV.
  • the PDCCH detection opportunity corresponding to the DCI of the preset format in each target time slot may be determined first; then Expand the SLIV set in the TDRA table corresponding to the preset format DCI based on the PDCCH detection opportunity corresponding to the preset format DCI in each target slot to obtain the expanded SLIV set corresponding to each target slot .
  • the CORESET configuration information and the search space configuration information of the DCI in the preset format may be used to determine the PDCCH detection opportunity in each target time slot.
  • the PDCCH detection opportunity corresponding to the DCI of the preset format based on the CORESET configuration information and the search space configuration information of the DCI in the preset format, in each target time slot where the DCI in the preset format exists, the PDCCH detection opportunity corresponding to the DCI in the preset format can be determined.
  • the SLIV extension of TDRA based on the PDCCH detection opportunity corresponding to the DCI in the preset format in the target time slot is performed separately for each target time slot, that is, different target time slots may obtain different results.
  • the expanded SLIV set; in addition, the expanded SLIV set corresponding to each target time slot is expanded based on the preset TDRA table in the target time slot, that is, each target time slot corresponds to the preset TDRA table, and each target time slot corresponds to the preset TDRA table.
  • the SLIV is extended for each target time slot based on the preset TDRA table.
  • any one of the following methods may be included:
  • the expanded SLIV set corresponding to the target time slot and the SLIV set in the preset TDRA table corresponding to the target time slot are combined to obtain the combined TDRA corresponding to the target time slot.
  • the PDSCH transmission position set corresponding to the semi-static feedback codebook is determined, and the semi-static feedback codebook is determined based on the PDSCH transmission position set.
  • the expanded SLIV set corresponding to the time slot can be directly merged with the SLIV set in the original preset TDRA table, and
  • the PDSCH transmission position set corresponding to the semi-static feedback codebook is determined based on the combined TDRA table, and then the semi-static feedback codebook is determined based on the PDSCH transmission position set, thereby realizing the extension of SLIV in the target timing sequence.
  • the remaining SLIVs in the set are combined with the SLIV set in the preset TDRA table corresponding to the target time slot to obtain the combined TDRA table corresponding to the target time slot, and based on the combined TDRA table of the target time slot, the semi-static feedback is determined
  • the PDSCH transmission position set corresponding to the codebook, and the semi-static feedback codebook is determined based on the PDSCH transmission position set.
  • the expanded SLIV set corresponding to the time slot can be directly repeated with the SLIV set in the original preset TDRA table
  • the SLIV is deleted, and the remaining SLIV in the target SLIV set is combined with the SLIV set in the original preset TDRA table of the target slot, and then the PDSCH transmission position set corresponding to the semi-static feedback codebook is determined based on the combined TDRA table, and finally The semi-static feedback codebook is determined based on the set of PDSCH transmission positions, so as to realize the extension of the SLIV in the target timing sequence and further reduce redundant feedback bits.
  • the SLIV set is extended and the semi-static feedback codebook is determined based on the extended SLIV set of each target time slot, thereby reducing redundant feedback bits.
  • the semi-static feedback codebook when the semi-static feedback codebook is determined, when PDSCH is scheduled in the SLIV mode in one carrier configuration, and PDSCH repeated transmission and/or SPS transmission are configured at the same time, based on The PDCCH detection opportunities of the preset format DCI in all target PDSCH transmission time slots extend the SLIV set in the preset TDRA table, and determine the semi-static feedback codebook based on the expanded SLIV set.
  • the target PDSCH transmission time slot can be obtained, and then the target PDSCH transmission time slot can be preset based on all target PDSCH transmission time slots.
  • the PDCCH detection opportunity of the format DCI extends the SLIV set in the preset TDRA table, thereby determining the semi-static feedback codebook; that is, this embodiment is based on all PDSCH transmission time slots for the HARQ feedback time slot value K1 in all the time slots corresponding to the feedback time slot value K1
  • the SLIV is extended to ensure the correct transmission of the semi-static feedback codebook when the repeated transmission of PDSCH and/or SPS transmission are configured.
  • the target PDSCH transmission time slot is all PDSCH Transmission time slot
  • the SLIV set in the preset TDRA table is extended based on the PDCCH detection opportunities of the preset format DCI in all PDSCH transmission time slots.
  • the SLIV of TDRA is extended based on the preset format DCI detection opportunities in all PDSCH transmission time slots, and the semi-static feedback codebook is determined based on the extended SLIV set, which increases the possibility of the semi-static feedback codebook.
  • the set of timing values K1 of HARQ-ACK feedback used by the base station configuration terminal is ⁇ 4, 5 ⁇ , and the TDRA table used by the configuration terminal is shown in Table 1. It is assumed that DCI format 1_0, DCI format 1_1 and DCI format 1_2 all use the following tables Schedule PDSCH transmissions.
  • the corresponding PDSCH transmission opportunities are located in slot 0 and slot 1. Since the terminal is configured with a scheduling method based on the reference SLIV, the terminal needs to first determine that there are time slots for DCI format 1_2 transmission in time slot 0 and time slot 1. Based on the search space configuration of CORSET and DCI format 1_2, the terminal is in time slot 0. There is DCI format 1_2 transmission, so the TDRA table needs to be extended when determining the PDSCH transmission opportunity in slot 0.
  • the PDSCH transmission opportunity in time slot 0 can be determined. Since there is no detection opportunity for DCI format 1_2 in time slot 1, there is no need to expand the TDRA table in time slot 1, and it is still based on Table 1.
  • the SLIV set in the SLIV set determines the PDSCH transmission opportunities in time slot 1, and finally the set of all PDSCH transmission opportunities in time slot 0 and time slot 1 can be obtained, and the corresponding semi-static feedback codebook is determined based on the PDSCH transmissions received in the set.
  • Table 3 The TDRA form is shown in Table 3.
  • the PDSCH transmission opportunity in time slot 0 can be determined. Since there is no detection opportunity for DCI format 1_2 in time slot 1, there is no need to expand the TDRA table, and it is still determined based on the SLIV set in Table 1. For the PDSCH transmission opportunities in time slot 1, finally a set of all PDSCH transmission opportunities in time slot 0 and time slot 1 can be obtained, and the corresponding semi-static feedback codebook is determined based on the PDSCH transmissions received in the set.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the base station configures the K1 set of HARQ-ACK feedback used by the terminal as ⁇ 4,5 ⁇ , and the TDRA table used by the configuration terminal is shown in Table 4. It is assumed that DCI format 1_0, DCI format 1_1 and DCI format 1_2 all use the following table to schedule PDSCH transmission.
  • the corresponding PDSCH transmission opportunities are located in time slot 0 and time slot 1. Since the terminal is configured with a scheduling method based on the reference SLIV, the terminal needs to determine time slot 0 and time slot 1 first. There is a time slot for DCI format 1_2 transmission in the time slot. Based on the search space configuration of CORSET and DCI format 1_2, the terminal has DCI format 1_2 transmission in time slot 0 and time slot 1. Therefore, in determining time slot 0 and time slot 1 When there is a PDSCH transmission opportunity, the TDRA table needs to be extended.
  • the PDSCH transmission opportunity in time slot 0 can be determined based on the SLIV set in Table 5
  • the PDSCH transmission opportunity in time slot 1 can be determined based on the SLIV set in Table 6
  • all PDSCH transmission opportunities in time slot 0 and time slot 1 can be obtained.
  • the base station and the terminal determine the semi-static feedback codebook according to the process in Embodiment 2; on the contrary, if the RRC parameter pdsch_config contains pdsch_aggregationfactor or the RRC parameter SPS_config contains pdsch_aggregationfactor-r16 ( Or when the RRC parameter pdsch_config includes pdsch_aggregationfactor or the RRC parameter SPS_config includes pdsch_aggregationfactor-r16, or is configured with Repetition
  • the starting position of the DCI format 1_2 detection opportunity in this embodiment can be symbol #5 in addition to symbol #0, symbol #3, symbol #7 and symbol #10, although this detection Opportunities do not exist in time slot 0 and time slot 1, but when performing SLIV extension, consider the starting position set of DCI format 1_2 detection opportunities in all PDSCH transmission time slots as symbol #0, symbol #3, symbol #5, symbol #7 and symbol #10, so 8 new SLIVs can be obtained after expansion, which are merged into the original TDRA table to obtain a new TDRA table, and the new TDRA is shown in Table 7.
  • PDSCH transmission opportunities in time slot 0 and time slot 1 can be determined based on the SLIV set in Table 7, and then a set of all PDSCH transmission opportunities in time slot 0 and time slot 1 can be obtained, determined based on the PDSCH transmissions received in the set The corresponding semi-static feedback codebook.
  • the terminal side can determine the semi-static feedback codebook in the above-mentioned manner, and the behavior of the base station side is similar to that of the terminal side.
  • the SLIV is extended and the semi-static HARQ-ACK feedback codebook is received based on the new TDRA table.
  • the terminal uses the above method to determine the size of the semi-static HARQ-ACK feedback codebook and the PDSCH transmission position corresponding to each feedback bit, and then sets the actual feedback information bits in the semi-static feedback codebook based on the PDSCH demodulation information and transmits it. to the base station.
  • the base station also determines the size of the semi-static HARQ-ACK feedback codebook and the PDSCH transmission position corresponding to each feedback bit in the above manner, and obtains the PDSCH reception situation of the terminal in the corresponding PDSCH transmission position based on the received semi-static codebook.
  • FIG. 5 is a schematic structural diagram of an apparatus for determining a semi-static feedback codebook provided by an embodiment of the present application, including a memory 520 , a transceiver 500 , and a processor 510 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 510 and various circuits of memory represented by memory 520 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 500 may be a number of elements, including a transmitter and a receiver, that provide means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
  • the processor 510 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 510 in performing operations.
  • the processor 510 can be a central processor (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (Complex Programmable Logic Device). , CPLD), the processor can also use a multi-core architecture.
  • CPU central processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD complex programmable logic device
  • the memory 520 is used to store computer programs; the transceiver 500 is used to send and receive data under the control of the processor; the processor 510 is used to read the computer program in the memory and perform the following operations:
  • the preset time The SLIV set in the domain resource allocation TDRA table is extended, and the semi-static feedback codebook is determined based on the extended SLIV set of each target time slot, wherein the target time slot is the physical downlink control information DCI in the preset format.
  • the slot for the channel PDCCH detection opportunity is not configured.
  • the repeated transmission of the unconfigured PDSCH includes:
  • pdsch_aggregationfactor is not included in the RRC parameter pdsch_config
  • pdsch_aggregationfactor-r16 is not included in the RRC parameter SPS_config
  • RepetitionNumber-r16 is not configured.
  • condition for extending the SLIV set in the preset time domain resource allocation TDRA table in the target time slot includes: the semi-static codebook does not include feedback information of SPS transmitted by using the reference SLIV.
  • extending the SLIV set in the preset time domain resource allocation TDRA table in the target time slot including:
  • the semi-static feedback codebook is determined based on the extended SLIV set of each target time slot, including:
  • the expanded SLIV set corresponding to the target time slot and the SLIV set in the preset TDRA table corresponding to the target time slot are combined to obtain the corresponding target time slot
  • TDRA table after slot combination is used to determine the PDSCH transmission position set corresponding to the semi-static feedback codebook, and the semi-static feedback codebook is determined based on the PDSCH transmission position set.
  • the target time slot is determined in the time slot corresponding to the HARQ feedback timing value of the hybrid automatic repeat request.
  • the determining the PDCCH detection opportunity corresponding to the DCI of the preset format in each of the target time slots includes:
  • a PDCCH detection opportunity corresponding to the DCI in the preset format in each of the target time slots is determined.
  • the method for determining the semi-static feedback codebook further includes:
  • the SLIV in the preset TDRA table is determined based on the PDCCH detection opportunities of the preset format DCI in all target PDSCH transmission time slots.
  • the set is extended, and the semi-static feedback codebook is determined based on the extended SLIV set.
  • the SLIV set in the preset TDRA table is expanded based on the PDCCH detection opportunity of the preset format DCI in all target PDSCH transmission time slots, including:
  • the target PDSCH transmission time slots are all PDSCH transmission time slots, and the SLIV set in the preset TDRA table is extended based on the PDCCH detection opportunities of the preset format DCI in all the PDSCH transmission time slots.
  • the preset format DCI is a 1_2 format DCI.
  • the device for determining the semi-static feedback codebook when configured to use the reference SLIV method to schedule PDSCH, it only expands the SLIV set in the preset TDRA table in the target time slot, and expands based on each target time slot.
  • the latter SLIV set determines the semi-static feedback codebook, and the target time slot is the time slot that has the PDCCH detection opportunity of the DCI of the preset format, which avoids the time slot corresponding to all HARQ feedback timing values in the prior art.
  • the SLIV extends the semi-static codebook, there is a problem of redundant feedback information bits due to the fact that not all time slots have DCI transmission in a preset format. The redundant feedback bits are removed and the semi-static The size of the codebook improves the feedback performance.
  • FIG. 6 is a schematic structural diagram of an apparatus for determining a semi-static feedback codebook provided by an embodiment of the present application.
  • the device includes:
  • the determining module 601 is configured to use the reference start and length indication value SLIV mode to schedule the physical downlink shared channel PDSCH in a carrier configuration, and the repeated transmission of the PDSCH and/or the semi-persistently scheduled SPS transmission are not configured, when the target time In the slot, the SLIV set in the preset time domain resource allocation TDRA table is extended, and the semi-static feedback codebook is determined based on the extended SLIV set of each target time slot, wherein the target time slot is a preset format downlink control.
  • the repeated transmission of the unconfigured PDSCH includes:
  • pdsch_aggregationfactor is not included in the RRC parameter pdsch_config
  • pdsch_aggregationfactor-r16 is not included in the RRC parameter SPS_config
  • RepetitionNumber-r16 is not configured.
  • condition for extending the SLIV set in the preset time domain resource allocation TDRA table in the target time slot includes: the semi-static codebook does not include feedback information of the SPS transmitted by using the reference SLIV.
  • the determining module 601 includes:
  • a first determining unit configured to determine the PDCCH detection opportunity corresponding to the DCI of the preset format in each of the target time slots
  • the second determination unit is configured to expand the SLIV set in the TDRA table corresponding to the DCI of the preset format based on the PDCCH detection opportunity corresponding to the DCI of the preset format in each of the target time slots, to obtain each target time slot The extended SLIV set corresponding to the slot.
  • the determining module 601 includes:
  • a third determining unit configured to combine, for each target time slot, the expanded SLIV set corresponding to the target time slot and the SLIV set in the preset TDRA table corresponding to the target time slot, Obtain the combined TDRA table corresponding to the target time slot, and determine the PDSCH transmission position set corresponding to the semi-static feedback codebook based on the combined TDRA table of the target time slot, and determine the PDSCH transmission position set based on the PDSCH transmission position set semi-static feedback codebook; or,
  • a fourth determining unit configured to, for each target time slot, repeat the SLIV set in the extended SLIV set corresponding to the target time slot and the SLIV set in the preset TDRA table corresponding to the target time slot.
  • the SLIV is deleted, and the remaining SLIV in the target SLIV set is merged with the SLIV set in the preset TDRA table corresponding to the target time slot, and the merged TDRA table corresponding to the target time slot is obtained.
  • determine the PDSCH transmission position set corresponding to the semi-static feedback codebook based on the combined TDRA table of the target time slot and determine the semi-static feedback codebook based on the PDSCH transmission position set.
  • the determining module 601 is specifically used to:
  • the target time slot is determined in the time slot corresponding to the HARQ feedback timing value of the hybrid automatic repeat request.
  • the first determining unit is specifically configured to, based on the CORESET configuration information and the search space configuration information of the DCI in the preset format, determine the PDCCH corresponding to the DCI in the preset format in each of the target time slots. detection opportunities.
  • the determination module is also used to,
  • the SLIV in the preset TDRA table is determined based on the PDCCH detection opportunities of the preset format DCI in all target PDSCH transmission time slots.
  • the set is extended, and the semi-static feedback codebook is determined based on the extended SLIV set.
  • the determining module is also used to:
  • the target PDSCH transmission time slots are all PDSCH transmission time slots, and the SLIV set in the preset TDRA table is extended based on the PDCCH detection opportunities of the preset format DCI in all the PDSCH transmission time slots.
  • the preset format DCI is a 1_2 format DCI.
  • a semi-static feedback codebook determination device when the determination module is configured to use the reference SLIV method to schedule PDSCH, only extends the SLIV set in the preset TDRA table in the target time slot, and based on The semi-static feedback codebook is determined by the extended SLIV set of each target time slot, and the target time slot is the time slot in which the PDCCH detection opportunity of the DCI of the preset format exists, which avoids the feedback timing value based on all HARQ in the prior art.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium.
  • the technical solutions of the present application can be embodied in the form of software products in essence, or the parts that contribute to the prior art, or all or part of the technical solutions, and the computer software products are stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
  • an embodiment of the present application further provides a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, and the computer program is used to cause the processor to execute the processes described in the foregoing embodiments. steps of the method.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by a processor, including, but not limited to, magnetic storage (eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (eg, CD, DVD, BD, HVD, etc.), and semiconductor memory (eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)), etc.
  • magnetic storage eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
  • optical storage eg, CD, DVD, BD, HVD, etc.
  • semiconductor memory eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)
  • the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the above-mentioned method for determining a semi-static feedback codebook. Therefore, in the embodiments of the present application, redundant feedback bits are removed, and the semi-static codebook size is reduced, thereby improving feedback performance.
  • the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.
  • processor-executable instructions may also be stored in a processor-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the processor-readable memory result in the manufacture of means comprising the instructions product, the instruction means implements the functions specified in the flow or flow of the flowchart and/or the block or blocks of the block diagram.
  • processor-executable instructions can also be loaded onto a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process that Execution of the instructions provides steps for implementing the functions specified in the flowchart or blocks and/or the block or blocks of the block diagrams.

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Abstract

本申请实施例提供一种半静态反馈码本的确定方法、装置及存储介质,方法包括:当在一个载波配置使用参考起始和长度指示值SLIV方式调度物理下行共享信道PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,其中所述目标时隙为存在预设格式下行控制信息DCI的物理下行控制信道PDCCH检测机会的时隙。本申请实施例除去了冗余的反馈比特,降低了半静态反馈码本的大小,提高了反馈性能。

Description

半静态反馈码本的确定方法、装置及存储介质
相关申请的交叉引用
本申请引用于2020年08月07日提交的专利名称为“一种半静态反馈码本的确定方法、装置及存储介质”的第202010790043X号中国专利申请,以及于2020年10月12日提交的专利名称为“一种半静态反馈码本的确定方法、装置及存储介质”的第2020110870139号中国专利申请;上述两项专利申请通过引用被全部并入本申请。
技术领域
本申请涉及通信技术领域,具体涉及一种半静态反馈码本的确定方法、装置及存储介质。
背景技术
在调度物理下行共享信道(Physical Downlink Shared Channel,PDSCH)时可以使用参考起始和长度指示值(Start and Length Indicator Value,SLIV)的方式进行调度。此时是基于所有混合自动重传请求(Hybrid Automatic Repeat Request,HARQ)反馈时序值K1对应时隙中的SLIV对半静态码本进行扩展。例如,当前时隙中存在两个物理下行控制信道(Physical Downlink Control Channel,PDCCH)检测机会(Monitoring Occasion,MO),时域资源分配(Time Domain Resource Allocation,TDRA)表格中包含4个SLIV,对于该时隙确定半静态码本时需要扩展为8个SLIV,对应产生4比特反馈信息。但是实际上,在K1对应的时隙中,并非所有时隙中都有DCI格式1_2传输,因此目前的半静态码本确定方式存在冗余的反馈信息比特。
发明内容
本申请实施例提供一种半静态码本的确定方法、装置及存储介质,以解决目前的半静态码本确定方式存在冗余的反馈信息比特的问题。
第一方面,本申请实施例提供一种半静态码本确定方法,包括:
当在一个载波配置使用参考起始和长度指示值SLIV方式调度物理下 行共享信道PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,其中所述目标时隙为存在预设格式DCI的物理下行控制信道PDCCH检测机会的时隙。
第二方面,本申请实施例提供一种半静态反馈码本的确定装置,包括存储器,收发机,处理器:
存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:
当在一个载波配置使用参考起始和长度指示值SLIV方式调度物理下行共享信道PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,其中所述目标时隙为存在预设格式DCI的物理下行控制信道PDCCH检测机会的时隙。
第三方面,本申请实施例提供一种半静态反馈码本的确定装置,包括:
确定模块,用于当在一个载波配置使用参考起始和长度指示值SLIV方式调度物理下行共享信道PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,其中所述目标时隙为存在预设格式DCI的物理下行控制信道PDCCH检测机会的时隙。
第四方面,本申请实施例提供一种处理器可读存储介质,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行上述第一方面所述的方法的步骤。
本申请实施例提供的半静态反馈码本的确定方法、装置及存储介质,当在一个载波配置使用参考SLIV方式调度PDSCH时,仅在目标时隙中对预设TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,且目标时隙为存在预设格式的DCI的PDCCH检测机会的时隙,这避免了现有技术中在基于所有HARQ反馈时 序值所对应的时隙中的SLIV对半静态码本进行扩展时,由于并非所有时隙中都有预设格式的DCI传输而导致的存在冗余的反馈信息比特的问题,除去了冗余的反馈比特,降低了半静态码本的大小,提升了反馈性能。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍,显而易见地,下面描述中的附图是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本申请实施例中半静态反馈码本的确定方法的步骤流程图;
图2为本申请实施例中第一实施例的传输示意图;
图3为本申请实施例中第二实施例的传输示意图;
图4为本申请实施例中第三实施例的传输示意图;
图5为本申请实施例中半静态反馈码本的确定装置的结构示意图;
图6为本申请实施例中半静态反馈码本的确定装置的模块框图。
具体实施方式
本申请实施例中术语“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本申请实施例中术语“多个”是指两个或两个以上,其它量词与之类似。
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请一部分实施例,并不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
具体的,在第五代新无线(New Radio,NR)系统中,混合自动重传请求(Hybrid Automatic Repeat Request,HARQ)反馈时序值K1表示承载HARQ-ACK反馈的物理上行控制信道(Physical Uplink Control Channel, PUCCH)相对PDSCH或指示半持续调度(Semi Persistent Scheduling)PDSCH释放的PDCCH的结束时隙的时隙偏移个数。下行控制指示(Downlink Control Indicator,DCI)格式1_0中包含3比特的HARQ反馈时序指示信息域,映射到预定的HARQ反馈时序值集合{1,2,3,4,5,6,7,8}中的一个值。DCI格式1_1中可能包含0、1、2或3比特HARQ反馈时序指示信息域,具体比特数取决于高层信令所配置的HARQ反馈时序值集合中的元素个数,DCI格式1_1所指示的HARQ反馈时序值映射到高层信令配置的一组HARQ反馈时序值集合中的一个。
目前在NR通信系统中,支持HARQ-ACK反馈使用半静态码本和动态码本方案。当终端被配置使用半静态HARQ-ACK码本时,终端首先根据HARQ-ACK反馈时序(K1)、半静态的时隙结构(如果已配置)和PDSCH候选时域资源分配信息确定每个载波(carrier)上对应在同一个时隙n进行HARQ-ACK反馈的PDSCH位置集合M_(A,C)。然后根据M_(A,C)将在PDSCH位置集合中接收到的PDSCH的HARQ-ACK映射到HARQ-ACK反馈序列中的对应位置,从而得到时隙n中传输的HARQ-ACK码本。具体的,终端首先基于高层信令配置的HARQ反馈时序确定载波上在一个时隙中需要进行反馈的时隙个数,然后在这些时隙中,确定每个时隙中可以传输的最大PDSCH个数。如果配置了半静态的时隙结构,需要基于该时隙结构将不满足PDSCH传输条件的候选PDSCH去掉。当存在载波聚合时,每个载波上的HARQ-ACK码本需要分别按照上述过程进行确定,最后将不同载波的HARQ-ACK码本按照载波顺序进行级联得到最终的HARQ-ACK码本。
支持参考SLIV的调度方式,即以PDCCH的起始位置作为PDSCH传输的参考点,这样可以显著的减少TDRA表格中行的数目,从而降低DCI中对应信息域的开销,或者说在指示比特数不变的情况下,可以配置更多的SLIV,从而提升调度灵活性。协议规定通过高层信令指示TDRA是否采用新的参考SLIV,当终端被配置使用参考SLIV时,如果收到DCI格式1_2调度的PDSCH传输且指示K0=0,PDSCH映射类型为B,则PDSCH的起始位置是相对于PDCCH检测机会的起始符号确定。目前这种调度方式可用于本载波调度和跨载波调度且调度载波和被调度载波具有相同基 带参数的场景,对于不同基带参数的跨载波调度场景并不支持。
当使用参考SLIV的方式调度PDSCH时,目前是基于所有K1对应的时隙中的SLIV对半静态码本进行扩展,但是在K1对应的时隙中,并非所有时隙中都有DCI格式1_2传输,因此目前的半静态码本确定方式存在冗余的反馈信息比特。
因此,本申请实施例提供一种半静态反馈码本的确定方法、装置及存储介质,以解决目前的半静态码本确定方式存在冗余的反馈信息比特的问题。
当然在此需要说明的是,本申请可以由终端执行,也可以由网络侧执行,当然也可以由终端和网络侧设备共同执行,在此不对此进行限定。
其中,方法和装置是基于同一申请构思的,由于方法和装置解决问题的原理相似,因此装置和方法的实施可以相互参见,重复之处不再赘述。
本申请实施例提供的技术方案可以适用于多种系统,例如5G系统。例如适用的系统可以是全球移动通讯(global system of mobile communication,GSM)系统、码分多址(code division multiple access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)通用分组无线业务(general packet radio service,GPRS)系统、长期演进(long term evolution,LTE)系统、LTE频分双工(frequency division duplex,FDD)系统、LTE时分双工(time division duplex,TDD)系统、高级长期演进(long term evolution advanced,LTE-A)系统、通用移动系统(universal mobile telecommunication system,UMTS)、全球互联微波接入(worldwide interoperability for microwave access,WiMAX)系统、5G新空口(New Radio,NR)系统等。这多种系统中均包括终端设备和网络设备。系统中还可以包括核心网部分,例如演进的分组系统(Evloved Packet System,EPS)、5G系统(5GS)等。
本申请实施例涉及的终端设备,可以是指向用户提供语音和/或数据连通性的设备,具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备等。在不同的系统中,终端设备的名称可能也不相同,例如在5G系统中,终端设备可以称为用户设备(User Equipment,UE)。无线终端设备可以经无线接入网(Radio Access Network,RAN)与一个或 多个核心网(Core Network,CN)进行通信,无线终端设备可以是移动终端设备,如移动电话(或称为“蜂窝”电话)和具有移动终端设备的计算机,例如,可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置,它们与无线接入网交换语言和/或数据。例如,个人通信业务(Personal Communication Service,PCS)电话、无绳电话、会话发起协议(Session Initiated Protocol,SIP)话机、无线本地环路(Wireless Local Loop,WLL)站、个人数字助理(Personal Digital Assistant,PDA)等设备。无线终端设备也可以称为系统、订户单元(subscriber unit)、订户站(subscriber station),移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点(access point)、远程终端设备(remote terminal)、接入终端设备(access terminal)、用户终端设备(user terminal)、用户代理(user agent)、用户装置(user device),本申请实施例中并不限定。
本申请实施例涉及的网络设备,可以是基站,该基站可以包括多个为终端提供服务的小区。根据具体应用场合不同,基站又可以称为接入点,或者可以是接入网中在空中接口上通过一个或多个扇区与无线终端设备通信的设备,或者其它名称。网络设备可用于将收到的空中帧与网际协议(Internet Protocol,IP)分组进行相互更换,作为无线终端设备与接入网的其余部分之间的路由器,其中接入网的其余部分可包括网际协议(IP)通信网络。网络设备还可协调对空中接口的属性管理。例如,本申请实施例涉及的网络设备可以是全球移动通信系统(Global System for Mobile communications,GSM)或码分多址接入(Code Division Multiple Access,CDMA)中的网络设备(Base Transceiver Station,BTS),也可以是带宽码分多址接入(Wide-band Code Division Multiple Access,WCDMA)中的网络设备(NodeB),还可以是长期演进(long term evolution,LTE)系统中的演进型网络设备(evolutional Node B,eNB或e-NodeB)、5G网络架构(next generation system)中的5G基站(gNB),也可以是家庭演进基站(Home evolved Node B,HeNB)、中继节点(relay node)、家庭基站(femto)、微微基站(pico)等,本申请实施例中并不限定。在一些网络结构中,网络设备可以包括集中单元(centralized unit,CU)节点和分布单元(distributed unit,DU)节点,集中单元和分布单元也可以地理上 分开布置。
下面对本申请进行具体说明。
如图1所示,为本申请实施例中半静态反馈码本的确定方法的步骤流程图,该方法包括如下步骤:
步骤101:当在一个载波配置使用参考SLIV方式调度PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本。
具体的,目标时隙为存在预设格式的DCI的PDCCH检测机会的时隙。
具体的,当在一个载波配置了基于参考SLIV的调度方式、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,可以先在HARQ反馈时序值K1对应的时隙中,确定存在预设格式的DCI的PDCCH检测机会的目标时隙,然后在每个目标时隙中对预设TDRA表格中的SLIV集合进行扩展,从而确定半静态反馈码本;即本实施例仅对存在预设格式DCI的检测机会的时隙中的SLIV进行扩展,而不用基于所有HARQ反馈时序值K1对应的时隙中的SLIV对半静态码本进行扩展,从而避免了在K1对应的时隙中由于并非所有时隙中都有预设格式的DCI传输时存在冗余的反馈信息比特的问题,除去了冗余的反馈比特,降低了半静态码本的大小,提升了反馈性能。
在此需要说明的是,预设格式DCI为1_2格式的DCI,即DCI格式(format)为DCI format 1_2。
此外,具体的,本实施例可以基于物理资源集合(CORESET)配置信息和预设格式的DCI的搜索空间配置信息,在HARQ反馈时序值所对应的时隙中确定目标时隙。即在HARQ反馈时隙值所对应的时隙中确定目标时隙时,可以基于CORESET配置和预设格式的DCI的搜索空间配置,确定在哪些时隙中存在预设格式的DCI传输,从而在HARQ反馈时序值对应的时隙中确定存在预设格式的DCI的目标时隙。
可选地,在本实施例中,未配置PDSCH的重复传输,可以包括下述任意一种情况:
在无线资源控制RRC参数pdsch_config中不包含 pdsch_aggregationfactor且在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16;或者,
在RRC参数pdsch_config中不包含pdsch_aggregationfactor,在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16,且没有配置RepetitionNumber-r16。
即在上述任一种情况时均能够确定未配置PDSCH的重复传输。
此外,在本实施例中,可选地,在目标时隙中对预设TDRA表格中的SLIV集合进行扩展的条件包括:半静态码本中不包含使用参考SLIV传输的SPS的反馈信息。
具体的,半静态码本中不包含使用参考SLIV传输的SPS的反馈信息,可能是:在一个载波上基站不同时配置参考SLIV和SPS传输;或者当基站配置参考SLIV时,SPS不能使用参考SLIV进行传输,即不能使用DCI format 1_2激活SPS传输;或者基站配置不在存在参考SLIV的时隙中传输SPS。
进一步,由于SLIV扩展行为是针对每个载波分别执行的,所述半静态码本中不包含使用参考SLIV传输的SPS的反馈信息可以是针对每个载波分别执行的,即半静态码本中针对所述载波的反馈信息不包含使用参考SLIV传输的SPS的反馈信息。
可选地,在本实施例中,在目标时隙中对预设TDRA表格中的SLIV集合进行扩展时,可以先确定每个目标时隙中预设格式的DCI所对应的PDCCH检测机会;然后基于每个目标时隙中预设格式的DCI所对应的PDCCH检测机会对预设格式的DCI所对应的TDRA表格中的SLIV集合进行扩展,得到每个目标时隙所对应的扩展后的SLIV集合。
具体的,在确定每个目标时隙中预设格式的DCI所对应的PDCCH检测机会时,可以基于CORESET配置信息和预设格式的DCI的搜索空间配置信息,确定每个目标时隙中所述预设格式的DCI所对应的PDCCH检测机会。即本实施例可以基于CORESET配置信息和预设格式的DCI的搜索空间配置信息,在每个存在预设格式的DCI的目标时隙中,确定预设格式的DCI所对应的PDCCH检测机会。
此外,具体的,本实施例中基于目标时隙中预设格式的DCI对应的 PDCCH检测机会进行TDRA的SLIV扩展是针对每个目标时隙分别进行的,即不同的目标时隙可能会得到不同的扩展后的SLIV集合;此外,每个目标时隙对应的扩展后的SLIV集合是基于该目标时隙中的预设TDRA表格进行扩展的,即每个目标时隙对应预设TDRA表格,每个目标时隙基于该预设TDRA表格进行SLIV的扩展。
此外,可选地,在本实施例中,在基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本时,可以包括下述任意一种方式:
其一,针对每个目标时隙,将目标时隙所对应的扩展后的SLIV集合与目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到目标时隙对应的合并后的TDRA表格,并基于目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于PDSCH传输位置集合确定半静态反馈码本。
具体的,针对每个时隙,在得到该时隙对应的扩展后的SLIV集合后,可以直接将该时隙对应的扩展后的SLIV集合与原预设TDRA表格中的SLIV集合进行合并,并基于合并后的TDRA表格确定半静态反馈码本对应的PDSCH传输位置集合,然后基于PDSCH传输位置集合确定半静态反馈码本,从而实现了对目标时序中的SLIV的扩展。
其二,针对每个目标时隙,对目标时隙所对应的扩展后的SLIV集合中与目标时隙所对应的预设TDRA表格中的SLIV集合中重复的SLIV进行删除操作,并将目标SLIV集合中剩余的SLIV与目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到目标时隙对应的合并后的TDRA表格,并基于目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于PDSCH传输位置集合确定半静态反馈码本。
具体的,针对每个时隙,在得到该时隙对应的扩展后的SLIV集合后,可以直接将该时隙对应的扩展后的SLIV集合中与原预设TDRA表格中的SLIV集合中的重复SLIV进行删除,并将目标SLIV集合中剩余的SLIV与目标时隙原预设TDRA表格中的SLIV集合进行合并,然后基于合并后的TDRA表格确定半静态反馈码本对应的PDSCH传输位置集合,最后基于PDSCH传输位置集合确定半静态反馈码本,从而在实现了对目标时序 中的SLIV的扩展的同时,进一步减少冗余的反馈比特。
这样,通过上述任一种方式均实现了对SLIV集合进行扩展并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,减少了冗余的反馈比特。
另外,可选地,在本实施例中,在确定半静态反馈码本时,还可以当在一个载波配置使用SLIV方式调度PDSCH,并且同时配置了PDSCH的重复传输和/或SPS传输时,基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展,并基于扩展后的SLIV集合确定半静态反馈码本。
具体的,当在一个载波配置了基于参考SLIV的调度方式、且同时配置了PDSCH的重复传输和/或SPS传输时,可以获取目标PDSCH传输时隙,然后基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会,对预设TDRA表格中的SLIV集合进行扩展,从而确定半静态反馈码本;即本实施例基于所有PDSCH传输时隙对HARQ反馈时隙值K1对应的全部时隙中的SLIV进行扩展,保证在配置了PDSCH的重复传输和/或SPS传输情况下半静态反馈码本的正确传输。
另外,可选地,在本实施例中,基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展时,目标PDSCH传输时隙为所有的PDSCH传输时隙,此时基于所有的PDSCH传输时隙中的预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展。
这样,基于所有PDSCH传输时隙中预设格式DCI检测机会对TDRA的SLIV进行扩展,并基于扩展后的SLIV集合确定半静态反馈码本,增加了半静态反馈码本的可能性。
下面通过具体实施例对本申请进行具体说明。
第一实施例:
基站配置终端使用的HARQ-ACK反馈的时序值K1集合为{4,5},配置终端使用的TDRA表格如表1所示,假设DCI format 1_0,DCI format 1_1和DCI format 1_2都使用如下的表格调度PDSCH传输。
表1
Row index PDSCH mapping type K0 S L
0 B 0 0 2
1 B 0 1 2
2 B 0 1 5
3 B 0 4 3
4 B 0 6 5
5 B 1 4 2
对于在时隙5中传输的半静态码本,对应的PDSCH传输机会位于时隙0和时隙1。由于终端被配置了基于参考SLIV的调度方式,终端需要首先确定时隙0和时隙1中存在DCI format 1_2传输的时隙,基于CORSET和DCI format 1_2的搜索空间配置,终端在时隙0中存在DCI format 1_2传输,因此在确定时隙0中的PDSCH传输机会时需要对TDRA表格进行扩展。
如图2所示,在时隙0中存在两个DCI format 1_2的PDCCH检测机会,分别在符号#0和符号#7起始,则基于这两个DCI format 1_2检测机会的起始位置对于TDRA的SLIV进行扩展,具体的,存在如下两种方式:
方式一,在原始TDRA表格(表1)中,行索引为0/1/2/3/4的SLIV对应PDSCH映射类型B且K0=0,因此可对这些SLIV进行扩展,这5个原始的SLIV基于两个DCI format 1_2检测机会起始位置扩展后可得到10个新的SLIV。但是其中第10个SLIV扩展后超出了时隙边界,不是有效的SLIV,因此得到9个新的SLIV,合并到原始TDRA表格中得到新的TDRA表格如下表2所示:
表2
Row ndex PDSCH mapping type K0 S L
0 B 0 0 2
1 B 0 1 2
2 B 0 1 5
3 B 0 4 3
4 B 0 6 5
5 B 1 4 2
6 B 0 0 2
7 B 0 1 2
8 B 0 1 5
9 B 0 4 3
10 B 0 6 5
11 B 0 7 2
12 B 0 8 2
13 B 0 8 5
14 B 0 11 3
基于表2中的SLIV集合可以确定时隙0中的PDSCH传输机会,时隙1中由于不存在DCI format 1_2的检测机会,因此不需要对时隙1中的TDRA表格进行扩展,仍然基于表1中的SLIV集合确定时隙1中的PDSCH传输机会,最后可以得到时隙0和时隙1中所有PDSCH传输机会集合,基于所述集合中接收到的PDSCH传输确定对应的半静态反馈码本。
方式二,表1中的TDRA表格中,行索引为0/1/2/3/4的原始SLIV对应PDSCH映射类型B且K0=0,因此可对这些SLIV进行扩展,这5个原始的SLIV基于两个DCI format 1_2检测机会起始位置扩展后可得到10个新的SLIV。但是其中第10个SLIV扩展后超出了时隙边界,不是有效的SLIV,并且其中5个SLIV和原始的SLIV重叠,因此得到4个新的不重叠的SLIV,合并到原始TDRA表格中得到新的TDRA表格如表3所示。
表3
Row index PDSCH mapping type K0 S L
0 B 0 0 2
1 B 0 1 2
2 B 0 1 5
3 B 0 4 3
4 B 0 6 5
5 B 1 4 2
6 B 0 7 2
7 B 0 8 2
8 B 0 8 5
9 B 0 11 3
基于表3中的SLIV集合可以确定时隙0中的PDSCH传输机会,时隙1中由于不存在DCI format 1_2的检测机会,因此不需要对TDRA表格进行扩展,仍然基于表1中的SLIV集合确定时隙1中的PDSCH传输机会,最后可以得到时隙0和时隙1中所有PDSCH传输机会集合,基于所述集合中接收到的PDSCH传输确定对应的半静态反馈码本。
实施例二:
基站配置终端使用的HARQ-ACK反馈的K1集合为{4,5},配置终端使用的TDRA表格如表4所示,假设DCI format 1_0,DCI format 1_1和DCI format 1_2都使用如下的表格调度PDSCH传输。
表4
Row index PDSCH mapping type K0 S L
0 B 0 0 2
1 B 0 1 2
对于在时隙5中传输的半静态码本,对应的PDSCH传输机会位于时隙0和时隙1,由于终端被配置了基于参考SLIV的调度方式,终端需要首先确定时隙0和时隙1中存在DCI format 1_2传输的时隙,基于CORSET和DCI format 1_2的搜索空间配置,终端在时隙0和时隙1中都存在DCI format 1_2传输,因此在在确定时隙0和时隙1中的PDSCH传输机会时,都需要对TDRA表格进行扩展。
如图3所示,在时隙0中存在4个DCI format 1_2检测机会,分别在符号#0、符号#3、符号#7和符号#10起始,则基于这4个DCI format 1_2检测机会的起始位置对于TDRA的SLIV进行扩展。在表4中的TDRA表格中,行索引为0/1的原始SLIV对应PDSCH映射类型B且K0=0,因此对这些SLIV进行扩展,这2个原始的SLIV基于4个DCI format 1_2检测机会起始位置扩展后可得到6个新的SLIV,合并到原始TDRA表格中得到新的TDRA表格如下表5所示。
表5
Row ndex PDSCH mapping type K0 S L
0 B 0 0 2
1 B 0 1 2
2 B 0 3 5
3 B 0 4 3
4 B 0 7 5
5 B 0 8 2
6 B 0 10 2
7 B 0 11 2
在时隙1中存在2个DCI format 1_2检测机会,分别在符号#3和符号#10起始,则基于这2个DCI format 1_2检测机会的起始位置对TDRA的SLIV进行扩展。TDRA表格中,行索引为0/1的原始SLIV对应PDSCH映射类型B且K0=0,因此对这些SLIV进行扩展,这2个原始的SLIV基于2个DCI format 1_2检测机会起始位置扩展后可得到4个新的SLIV,合并到原始TDRA表格中得到新的TDRA表格如下表6所示。
表6
Row ndex PDSCH mapping type K0 S L
0 B 0 0 2
1 B 0 1 2
2 B 0 3 5
3 B 0 4 3
4 B 0 7 5
5 B 0 8 2
6 B 0 10 2
7 B 0 11 2
基于表5中的SLIV集合可以确定时隙0中的PDSCH传输机会,基于表6中的SLIV集合可以确定时隙1中的PDSCH传输机会,最后可以得到时隙0和时隙1中所有PDSCH传输机会集合,基于所述集合中接收到的PDSCH传输确定对应的半静态反馈码本。
实施例三:
参考实施例二中的场景和配置,如果在RRC参数pdsch_config中不包含pdsch_aggregationfactor且在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16(或者是在RRC参数pdsch_config中不包含pdsch_aggregationfactor,在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16,且没有配置RepetitionNumber-r16)时,基站和终端根据实施例二中的过程确定半静态反馈码本;反之,如果在RRC参数pdsch_config中包含pdsch_aggregationfactor或者在RRC参数SPS_config中包含pdsch_aggregationfactor-r16(或者是在RRC参数pdsch_config中包含pdsch_aggregationfactor或者在RRC参数SPS_config中包含pdsch_aggregationfactor-r16,或者配置了RepetitionNumber-r16)时,则终端在所有PDSCH传输时隙中对TDRA表格中的SLIV进行扩展。
如图4所示,在时隙0中存在4个DCI format 1_2检测机会,分别在符号#0、符号#3、符号#7和符号#10起始,在时隙1中存在2个DCI format 1_2检测机会,分别在符号#3和符号#10起始。对于时隙5中传输的半静态码本的确定方式为:
基于所有PDSCH传输时隙中DCI format 1_2检测机会的起始位置对于TDRA的SLIV进行扩展,即基于配置的DCI format 1_2检测机会,确定所有可能的起始位置,不需要考虑DCI format 1_2是在哪一个子帧进行传输,假设在此实施例中DCI format 1_2检测机会的起始位置除了符号#0、符号#3、符号#7和符号#10之外,还可以为符号#5,虽然这个检测机会不存在于时隙0和时隙1,但在进行SLIV扩展时,考虑所有PDSCH传输时隙中DCI format 1_2检测机会的起始位置集合为符号#0、符号#3、符号#5、符号#7和符号#10,因此扩展后可得到8个新的SLIV,合并到原始TDRA表格中得到新的TDRA表格,新的TDRA如表7所示。
表7
Row index PDSCH mapping type K0 S L
0 B 0 0 2
1 B 0 1 2
2 B 0 3 2
3 B 0 4 2
4 B 0 5 2
5 B 0 6 2
6 B 0 7 2
7 B 0 8 2
8 B 0 10 2
9 B 0 11 2
基于表7中的SLIV集合可以确定时隙0和时隙1中的PDSCH传输机会,然后可以得到时隙0和时隙1中所有PDSCH传输机会集合,基于所述集合中接收到的PDSCH传输确定对应的半静态反馈码本。
这样,通过上述方式实现了仅对存在DCI format 1_2的时隙中的SLIV进行扩展,并且只需要对时隙中DCI format 1_2对应的检测机会进行扩展,从而除去了冗余的反馈比特,降低了半静态码本大小,从而提升反馈性能。
此外,在此需要说明的是,终端侧可以采用上述方式确定半静态反馈码本,且基站侧行为与终端侧类似,当配置终端使用参考SLIV的调度方式时,和终端基于相同的方式对TDRA的SLIV进行扩展,并基于新的TDRA表格接收半静态HARQ-ACK反馈码本。终端采用上述方式确定的是半静态HARQ-ACK反馈码本的大小和每个反馈比特对应的PDSCH传输位置,然后基于PDSCH的解调信息在半静态反馈码本中置实际的反馈信息比特并传输给基站。基站采用上述方式确定的也是半静态HARQ-ACK反馈码本的大小和每个反馈比特对应的PDSCH传输位置,基于接收到的半静态码本获得对应PDSCH传输位置中终端对于PDSCH的接收情况。
图5是本申请实施例提供的一种半静态反馈码本的确定装置的结构示意图,包括存储器520,收发机500,处理器510。
其中,在图5中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器510代表的一个或多个处理器和存储器520代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机500可以是多 个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元,这些传输介质包括无线信道、有线信道、光缆等传输介质。处理器510负责管理总线架构和通常的处理,存储器520可以存储处理器510在执行操作时所使用的数据。
处理器510可以是中央处埋器(CPU)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)或复杂可编程逻辑器件(Complex Programmable Logic Device,CPLD),处理器也可以采用多核架构。
存储器520,用于存储计算机程序;收发机500,用于在所述处理器的控制下收发数据;处理器510,用于读取所述存储器中的计算机程序并执行以下操作:
当在一个载波配置使用参考起始和长度指示值SLIV方式调度物理下行共享信道PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,其中所述目标时隙为存在预设格式下行控制信息DCI的物理下行控制信道PDCCH检测机会的时隙。
可选地,所述未配置PDSCH的重复传输,包括:
在无线资源控制RRC参数pdsch_config中不包含pdsch_aggregationfactor且在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16;
或者,在RRC参数pdsch_config中不包含pdsch_aggregationfactor,在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16,且没有配置RepetitionNumber-r16。
可选地,所述在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展的条件包括:所述半静态码本中不包含使用参考SLIV传输的SPS的反馈信息。
可选地,所述在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,包括:
确定每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会;
基于每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会对预设格式的DCI所对应的TDRA表格中的SLIV集合进行扩展,得到每个目标时隙所对应的扩展后的SLIV集合。
可选地,所述基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,包括:
针对每个所述目标时隙,将所述目标时隙所对应的扩展后的SLIV集合与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本;或者,
针对每个所述目标时隙,对所述目标时隙所对应的扩展后的SLIV集合中与所述目标时隙所对应的预设TDRA表格中的SLIV集合中重复的SLIV进行删除操作,并将所述目标SLIV集合中剩余的SLIV与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本。
可选地,基于物理资源集合CORESET配置信息和预设格式的DCI的搜索空间配置信息,在混合自动重传请求HARQ反馈时序值所对应的时隙中确定所述目标时隙。
可选地,所述确定每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会,包括:
基于CORESET配置信息和预设格式的DCI的搜索空间配置信息,确定每个所述目标时隙中所述预设格式的DCI所对应的PDCCH检测机会。
可选地,所述半静态反馈码本的确定方法还包括:
当在一个载波配置使用SLIV方式调度PDSCH,并且同时配置了PDSCH的重复传输和/或SPS传输时,基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展,并基于扩展后的SLIV集合确定半静态反馈码本。
可选地,所述基于所有目标PDSCH传输时隙中预设格式DCI的 PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展,包括:
所述目标PDSCH传输时隙为所有的PDSCH传输时隙,基于所有的PDSCH传输时隙中的预设格式DCI的PDCCH检测机会对所述预设TDRA表格中的SLIV集合进行扩展。
可选地,所述预设格式DCI为1_2格式的DCI。
由上述实施例可见,半静态反馈码本的确定装置在配置使用参考SLIV方式调度PDSCH时,仅在目标时隙中对预设TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,且目标时隙为存在预设格式的DCI的PDCCH检测机会的时隙,这避免了现有技术中在基于所有HARQ反馈时序值所对应的时隙中的SLIV对半静态码本进行扩展时,由于并非所有时隙中都有预设格式的DCI传输而导致的存在冗余的反馈信息比特的问题,除去了冗余的反馈比特,降低了半静态码本的大小,提升了反馈性能。
图6是本申请实施例提供的一种半静态反馈码本的确定装置的结构示意图。该装置包括:
确定模块601,用于当在一个载波配置使用参考起始和长度指示值SLIV方式调度物理下行共享信道PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,其中所述目标时隙为存在预设格式下行控制信息DCI的物理下行控制信道PDCCH检测机会的时隙。
可选地,所述未配置PDSCH的重复传输,包括:
在无线资源控制RRC参数pdsch_config中不包含pdsch_aggregationfactor且在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16;
或者,在RRC参数pdsch_config中不包含pdsch_aggregationfactor,在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16,且没有配置RepetitionNumber-r16。
可选地,所述在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展的条件包括:所述半静态码本中不包含使用参考SLIV传输 的SPS的反馈信息。
可选的,所述确定模块601中包括:
第一确定单元,用于确定每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会;
第二确定单元,用于基于每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会对预设格式的DCI所对应的TDRA表格中的SLIV集合进行扩展,得到每个目标时隙所对应的扩展后的SLIV集合。
可选的,所述确定模块601中包括:
第三确定单元,用于针对每个所述目标时隙,将所述目标时隙所对应的扩展后的SLIV集合与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本;或者,
第四确定单元,用于针对每个所述目标时隙,对所述目标时隙所对应的扩展后的SLIV集合中与所述目标时隙所对应的预设TDRA表格中的SLIV集合中重复的SLIV进行删除操作,并将所述目标SLIV集合中剩余的SLIV与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本。
可选的,所述确定模块601具体用于,
基于物理资源集合CORESET配置信息和预设格式的DCI的搜索空间配置信息,在混合自动重传请求HARQ反馈时序值所对应的时隙中确定所述目标时隙。
可选的,所述第一确定单元具体用于,基于CORESET配置信息和预设格式的DCI的搜索空间配置信息,确定每个所述目标时隙中所述预设格式的DCI所对应的PDCCH检测机会。
可选的,确定模块还用于,
当在一个载波配置使用SLIV方式调度PDSCH,并且同时配置了 PDSCH的重复传输和/或SPS传输时,基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展,并基于扩展后的SLIV集合确定半静态反馈码本。
可选地,所述确定模块还用于,
所述目标PDSCH传输时隙为所有的PDSCH传输时隙,基于所有的PDSCH传输时隙中的预设格式DCI的PDCCH检测机会对所述预设TDRA表格中的SLIV集合进行扩展。
可选的,所述预设格式DCI为1_2格式的DCI。
由上述实施例可见,一种半静态反馈码本的确定装置,通过确定模块在配置使用参考SLIV方式调度PDSCH时,仅在目标时隙中对预设TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,且目标时隙为存在预设格式的DCI的PDCCH检测机会的时隙,这避免了现有技术中在基于所有HARQ反馈时序值所对应的时隙中的SLIV对半静态码本进行扩展时,由于并非所有时隙中都有预设格式的DCI传输而导致的存在冗余的反馈信息比特的问题,除去了冗余的反馈比特,降低了半静态码本的大小,提升了反馈性能。
需要说明的是,本申请实施例中对单元的划分是示意性的,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式。另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个处理器可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序 代码的介质。
在此需要说明的是,本申请实施例提供的上述装置,能够实现上述方法实施例所实现的所有方法步骤,且能够达到相同的技术效果,在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
另一方面,本申请实施例还提供一种处理器可读存储介质,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行上述实施例中所述的方法的步骤。
所述处理器可读存储介质可以是处理器能够存取的任何可用介质或数据存储设备,包括但不限于磁性存储器(例如软盘、硬盘、磁带、磁光盘(MO)等)、光学存储器(例如CD、DVD、BD、HVD等)、以及半导体存储器(例如ROM、EPROM、EEPROM、非易失性存储器(NAND FLASH)、固态硬盘(SSD))等。
由上述实施例可见,处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行上述半静态反馈码本的确定方法。因此,本申请实施例除去了冗余的反馈比特,降低了半静态码本大小,从而提升反馈性能。
本领域内的技术人员应明白,本申请的实施例可提供为方法、系统、或计算机程序产品。因此,本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机可执行指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机可执行指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些处理器可执行指令也可存储在能引导计算机或其他可编程数据 处理设备以特定方式工作的处理器可读存储器中,使得存储在该处理器可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些处理器可执行指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然,本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样,倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内,则本申请也意图包含这些改动和变型在内。

Claims (31)

  1. 一种半静态反馈码本的确定方法,其特征在于,包括:
    当在一个载波配置使用参考起始和长度指示值SLIV方式调度物理下行共享信道PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,其中所述目标时隙为存在预设格式下行控制信息DCI的物理下行控制信道PDCCH检测机会的时隙。
  2. 根据权利要求1所述的半静态反馈码本的确定方法,其特征在于,所述未配置PDSCH的重复传输,包括:
    在无线资源控制RRC参数pdsch_config中不包含pdsch_aggregationfactor且在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16;
    或者,在RRC参数pdsch_config中不包含pdsch_aggregationfactor,在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16,且没有配置RepetitionNumber-r16。
  3. 根据权利要求1所述的半静态反馈码本的确定方法,其特征在于,所述在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展的条件包括:
    所述半静态码本中不包含使用参考SLIV传输的SPS的反馈信息。
  4. 根据权利要求1所述的半静态反馈码本的确定方法,其特征在于,所述在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,包括:
    确定每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会;
    基于每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会对预设格式的DCI所对应的TDRA表格中的SLIV集合进行扩展,得到每个目标时隙所对应的扩展后的SLIV集合。
  5. 根据权利要求1所述的半静态反馈码本的确定方法,其特征在于,所述基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,包括:
    针对每个所述目标时隙,将所述目标时隙所对应的扩展后的SLIV集 合与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本;或者,
    针对每个所述目标时隙,对所述目标时隙所对应的扩展后的SLIV集合中与所述目标时隙所对应的预设TDRA表格中的SLIV集合中重复的SLIV进行删除操作,并将所述目标SLIV集合中剩余的SLIV与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本。
  6. 根据权利要求1所述的半静态反馈码本的确定方法,其特征在于,还包括:
    基于物理资源集合CORESET配置信息和预设格式的DCI的搜索空间配置信息,在混合自动重传请求HARQ反馈时序值所对应的时隙中确定所述目标时隙。
  7. 根据权利要求4所述的半静态反馈码本的确定方法,其特征在于,所述确定每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会,包括:
    基于CORESET配置信息和预设格式的DCI的搜索空间配置信息,确定每个所述目标时隙中所述预设格式的DCI所对应的PDCCH检测机会。
  8. 根据权利要求1所述的半静态反馈码本的确定方法,其特征在于,所述半静态反馈码本的确定方法还包括:
    当在一个载波配置使用SLIV方式调度PDSCH,并且同时配置了PDSCH的重复传输和/或SPS传输时,基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展,并基于扩展后的SLIV集合确定半静态反馈码本。
  9. 根据权利要求8所述的半静态反馈码本的确定方法,其特征在于,所述基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展,包括:
    所述目标PDSCH传输时隙为所有的PDSCH传输时隙,基于所有的PDSCH传输时隙中的预设格式DCI的PDCCH检测机会对所述预设TDRA表格中的SLIV集合进行扩展。
  10. 根据权利要求1至9任一项所述的半静态反馈码本的确定方法,其特征在于,所述预设格式DCI为1_2格式的DCI。
  11. 一种半静态反馈码本的确定装置,其特征在于,包括存储器,收发机,处理器:
    存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:
    当在一个载波配置使用参考起始和长度指示值SLIV方式调度物理下行共享信道PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,其中所述目标时隙为存在预设格式DCI的物理下行控制信道PDCCH检测机会的时隙。
  12. 根据权利要求11所述的半静态反馈码本的确定装置,其特征在于,所述未配置PDSCH的重复传输,包括:
    在无线资源控制RRC参数pdsch_config中不包含pdsch_aggregationfactor且在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16;
    或者,在RRC参数pdsch_config中不包含pdsch_aggregationfactor,在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16,且没有配置RepetitionNumber-r16。
  13. 根据权利要求11所述的半静态反馈码本的确定装置,其特征在于,所述在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展的条件包括:
    所述半静态码本中不包含使用参考SLIV传输的SPS的反馈信息。
  14. 根据权利要求11所述的半静态反馈码本的确定装置,其特征在于,所述在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,包括:
    确定每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会;
    基于每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会对预设格式的DCI所对应的TDRA表格中的SLIV集合进行扩展,得到每个目标时隙所对应的扩展后的SLIV集合。
  15. 根据权利要求11所述的半静态反馈码本的确定装置,其特征在于,所述基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,包括:
    针对每个所述目标时隙,将所述目标时隙所对应的扩展后的SLIV集合与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本;或者,
    针对每个所述目标时隙,对所述目标时隙所对应的扩展后的SLIV集合中与所述目标时隙所对应的预设TDRA表格中的SLIV集合中重复的SLIV进行删除操作,并将所述目标SLIV集合中剩余的SLIV与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本。
  16. 根据权利要求11所述的半静态反馈码本的确定装置,其特征在于,还包括:
    基于物理资源集合CORESET配置信息和预设格式的DCI的搜索空间配置信息,在混合自动重传请求HARQ反馈时序值所对应的时隙中确定所述目标时隙。
  17. 根据权利要求14所述的半静态反馈码本的确定装置,其特征在于,所述确定每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会,包括:
    基于物理资源集合CORESET配置信息和预设格式的DCI的搜索空间配置信息,确定每个所述目标时隙中所述预设格式的DCI所对应的PDCCH检测机会。
  18. 根据权利要求11所述的半静态反馈码本的确定装置,其特征在于,所述半静态反馈码本的确定装置还包括:
    当在一个载波配置使用SLIV方式调度PDSCH,并且同时配置了PDSCH的重复传输和/或SPS传输时,基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展,并基于扩展后的SLIV集合确定半静态反馈码本。
  19. 根据权利要求18所述的半静态反馈码本的确定装置,其特征在于,所述基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展,包括:
    所述目标PDSCH传输时隙为所有的PDSCH传输时隙,基于所有的PDSCH传输时隙中的预设格式DCI的PDCCH检测机会对所述预设TDRA表格中的SLIV集合进行扩展。
  20. 根据权利要求11至19任一项所述的半静态反馈码本的确定装置,其特征在于,所述预设格式的DCI为1_2格式的DCI。
  21. 一种半静态反馈码本的确定装置,其特征在于,包括:
    确定模块,用于当在一个载波配置使用参考起始和长度指示值SLIV方式调度物理下行共享信道PDSCH、且未配置PDSCH的重复传输和/或未配置半静态调度SPS传输时,在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展,并基于每个目标时隙扩展后的SLIV集合确定半静态反馈码本,其中所述目标时隙为存在预设格式DCI的物理下行控制信道PDCCH检测机会的时隙。
  22. 根据权利要求21所述的半静态反馈码本的确定装置,其特征在于,所述未配置PDSCH的重复传输,包括:
    在无线资源控制RRC参数pdsch_config中不包含pdsch_aggregationfactor且在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16;
    或者,在RRC参数pdsch_config中不包含pdsch_aggregationfactor,在RRC参数SPS_config中不包含pdsch_aggregationfactor-r16,且没有配置RepetitionNumber-r16。
  23. 根据权利要求21所述的半静态反馈码本的确定装置,其特征在 于,所述在目标时隙中对预设时域资源分配TDRA表格中的SLIV集合进行扩展的条件包括:
    所述半静态码本中不包含使用参考SLIV传输的SPS的反馈信息。
  24. 根据权利要求21所述的半静态反馈码本的确定装置,其特征在于,所述确定模块包括:
    第一确定单元,用于确定每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会;
    第二确定单元,用于基于每个所述目标时隙中预设格式的DCI所对应的PDCCH检测机会对预设格式的DCI所对应的TDRA表格中的SLIV集合进行扩展,得到每个目标时隙所对应的扩展后的SLIV集合。
  25. 根据权利要求21所述的半静态反馈码本的确定装置,其特征在于,所述确定模块包括:
    第三确定单元,用于针对每个所述目标时隙,将所述目标时隙所对应的扩展后的SLIV集合与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本;或者,
    第四确定单元,用于针对每个所述目标时隙,对所述目标时隙所对应的扩展后的SLIV集合中与所述目标时隙所对应的预设TDRA表格中的SLIV集合中重复的SLIV进行删除操作,并将所述目标SLIV集合中剩余的SLIV与所述目标时隙所对应的预设TDRA表格中的SLIV集合进行合并,得到所述目标时隙对应的合并后的TDRA表格,并基于所述目标时隙合并后的TDRA表格,确定半静态反馈码本对应的PDSCH传输位置集合,基于所述PDSCH传输位置集合确定所述半静态反馈码本。
  26. 根据权利要求21所述的半静态反馈码本的确定装置,其特征在于,所述确定模块具体用于:
    基于物理资源集合CORESET配置信息和预设格式的DCI的搜索空间配置信息,在混合自动重传请求HARQ反馈时序值所对应的时隙中确定所述目标时隙。
  27. 根据权利要求24所述的半静态反馈码本的确定装置,其特征在于,所述第一确定单元具体用于:
    基于CORESET配置信息和预设格式的DCI的搜索空间配置信息,确定每个所述目标时隙中所述预设格式的DCI所对应的PDCCH检测机会。
  28. 根据权利要求21所述的半静态反馈码本的确定装置,其特征在于,所述确定模块还用于:
    当在一个载波配置使用SLIV方式调度PDSCH,并且同时配置了PDSCH的重复传输和/或SPS传输时,基于所有目标PDSCH传输时隙中预设格式DCI的PDCCH检测机会对预设TDRA表格中的SLIV集合进行扩展,并基于扩展后的SLIV集合确定半静态反馈码本。
  29. 根据权利要求28所述的半静态反馈码本的确定装置,其特征在于,所述确定模块还用于:
    所述目标PDSCH传输时隙为所有的PDSCH传输时隙,基于所有的PDSCH传输时隙中的预设格式DCI的PDCCH检测机会对所述预设TDRA表格中的SLIV集合进行扩展。
  30. 根据权利要求21至29任一项所述的半静态反馈码本的确定装置,其特征在于,所述预设格式的DCI为1_2格式的DCI。
  31. 一种处理器可读存储介质,其特征在于,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使处理器执行权利要求1至10任一项所述的方法的步骤。
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