WO2022012618A1 - 资源确定方法、装置及终端 - Google Patents

资源确定方法、装置及终端 Download PDF

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Publication number
WO2022012618A1
WO2022012618A1 PCT/CN2021/106439 CN2021106439W WO2022012618A1 WO 2022012618 A1 WO2022012618 A1 WO 2022012618A1 CN 2021106439 W CN2021106439 W CN 2021106439W WO 2022012618 A1 WO2022012618 A1 WO 2022012618A1
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Prior art keywords
time domain
pusch
allocation table
resource allocation
dci format
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PCT/CN2021/106439
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English (en)
French (fr)
Inventor
李娜
李�根
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维沃移动通信有限公司
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Priority to KR1020237000056A priority Critical patent/KR20230019928A/ko
Priority to EP21842180.8A priority patent/EP4185043A4/en
Publication of WO2022012618A1 publication Critical patent/WO2022012618A1/zh
Priority to US18/150,291 priority patent/US20230148270A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • 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
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14Spectrum sharing arrangements between different networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a resource determination method, device and terminal.
  • a DCI in a non-fallback downlink control information (Downlink Control Channel, DCI) format can be supported to schedule a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) for transmission on an unlicensed frequency band (unlicensed band).
  • PUSCH Physical Uplink Shared Channel
  • the purpose of the embodiments of the present application is to provide a resource determination method, device and terminal, so as to solve the problem of which time-domain resource allocation table to use when the DCI in the non-fallback DCI format is currently used to schedule PUSCH transmission on the unlicensed frequency band, it is not clear. to transmit the problem of PUSCH.
  • a resource determination method applied to a terminal, including:
  • the first DCI is a non-fallback DCI format, and at least one row index in a time domain resource allocation table associated with the non-fallback DCI format indicates time domain transmission resources of multiple PUSCHs;
  • the first DCI is used for scheduling PUSCH transmission on the unlicensed frequency band;
  • the time domain resource allocation table used when transmitting the PUSCH is determined according to the following contents: whether the transmission scheduled by the first DCI is an initial transmission or a retransmission, and a scrambling identifier of the first DCI.
  • a resource determination device which is applied to a terminal
  • a receiving module configured to receive a first DCI; wherein, the first DCI is a non-fallback DCI format, and at least one row index in a time domain resource allocation table associated with the non-fallback DCI format indicates multiple PUSCH time-domain transmission resources; the first DCI is used to schedule PUSCH transmission on an unlicensed frequency band;
  • the determining module is configured to determine the time domain resource allocation table used when transmitting the PUSCH according to the following contents: whether the transmission scheduled by the first DCI is an initial transmission or a retransmission, and a scrambling identifier of the first DCI.
  • a terminal in a third aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor. The steps of implementing the resource determination method according to the first aspect.
  • a readable storage medium where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the resource determination method according to the first aspect are implemented.
  • a chip in a fifth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the resource according to the first aspect Determine the method.
  • the first DCI is in a non-fallback DCI format, and at least one row index in the time domain resource allocation table associated with the non-fallback DCI format indicates multiple PUSCHs
  • the time domain transmission resources of the first DCI are used for scheduling the transmission of PUSCH on the unlicensed frequency band. According to whether the transmission scheduled by the first DCI is an initial transmission or a retransmission and/or the scrambling identifier of the first DCI, it is possible to determine when to transmit the PUSCH.
  • the time-domain resource allocation table used used. Thereby, the time domain resource allocation table used when PUSCH is transmitted in this case can be clarified.
  • FIG. 1 is a block diagram of a wireless communication system provided by an embodiment of the present application.
  • FIG. 2 is a flowchart of a method for determining a resource provided by an embodiment of the present application
  • 3A is a schematic diagram of a time domain resource allocation table in Example 1 of the present application.
  • 3B is a schematic diagram of a time domain resource allocation table in Example 2 of the present application.
  • FIG. 4 is a schematic structural diagram of a resource determination apparatus provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of another terminal provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6 th Generation, 6G) communication system.
  • 6th generation 6 th Generation, 6G
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
  • the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • Unlicensed Band can be used as a supplement to Licensed Band to help operators expand services.
  • RAT Radio Access Technology
  • the unlicensed frequency band is shared by a variety of technologies (Radio Access Technology, RAT), such as Wi-Fi, radar, LTE-based Licensed-Assisted Access (LTE-LAA), etc.
  • RAT Radio Access Technology
  • LBT Low Before Talk
  • Maximum occupancy time Maximum occupancy time
  • MCOT Channel Occupancy Time
  • the transmission node When the transmission node needs to send information, it is required to perform LBT on the designated wireless channel first, and perform energy detection (Energy Detection, ED) on the surrounding wireless transmission environment. When the energy is lower than a certain threshold, the channel is judged to be idle. At this time transfer can begin. On the contrary, it is judged that the channel is busy and the transmission node cannot send.
  • the transmission node can be a base station, UE, Wi-Fi AP, etc. After the transmission node starts transmission, the occupied channel time cannot exceed MCOT.
  • the uplink transmission mode it can be divided into dynamic grant based and configured grant based. Further, the uplink transmission of the authorized scheduling (Configured Grant, CG) is divided into Type 1 (such as the Type 1 PUSCH transmission of the authorized scheduling, Type 1 PUSCH transmissions with a configured grant) and Type 2 (such as the Type 2 PUSCH transmission of the authorized scheduling, Type 2 PUSCH transmissions with a configured grant) two subtypes.
  • all transmission parameters of the Type 1 PUSCH transmission authorized for scheduling are semi-statically configured by the upper layer, and its transmission resources appear periodically.
  • the Type 2 PUSCH transmission that is authorized and scheduled its transmission parameters are configured and indicated by the upper layer and the physical layer.
  • the upper layer mainly configures the period of transmission resources semi-statically, and the physical layer mainly indicates transmission parameters such as Modulation and Coding Scheme (MCS), specific time-frequency resources, and the number of transmission layers.
  • MCS Modulation and Coding Scheme
  • the retransmission of CG PUSCH can be scheduled based on DCI, that is, both fallback DCI formats such as DCI format 0_0 and non-fallback DCI formats such as DCI format 0_1 can be used to schedule the retransmission of CG PUSCH.
  • the cyclic redundancy check (Cyclic Redundancy Check, CRC) of the DCI format 0_0 and DCI format 0_1 is scrambled by using the Configured Scheduling-Radio Network Temporary Identity (CS-RNTI), and in the DCI
  • CS-RNTI Configured Scheduling-Radio Network Temporary Identity
  • NDI New Data Indication
  • the CG PUSCH retransmission is DCI scheduling
  • the high-level parameters of the CG PUSCH except the parameters related to the uplink power and the modulation and coding method use the CG PUSCH parameters, and the other parameters use the DG PUSCH parameters. It can be considered that the CG PUSCH retransmission A transfer is a dynamically scheduled transfer.
  • the mechanism of repeated transmission based on time slots is called PUSCH repetition Type A, that is, K repeated transmissions need to occupy K slots, and the time resources occupied by data transmission in each slot (the starting position of the transmission) ) are the same, if the number of repeated transmissions is greater than 1, the data can only be transmitted in a single-layer.
  • PUSCH repetition Type B The mechanism of repeated transmission based on sub-slot is called PUSCH repetition Type B, that is, K nominal repeat transmissions (nominal repetition) can perform "back-to-back" continuous transmission in a slot, when a nominal transmission time domain resource When crossing the boundary of a time slot or when there are invalid or unavailable resources or symbols in the time domain resources, such as downlink symbols, the nominal transmission will be divided into multiple actual repeat transmissions by the slot or invalid resources and symbols. ).
  • each row of the time domain resource allocation table configured by the high layer only determines the time domain resource of a single PUSCH.
  • the time domain resource of the PUSCH authorized and scheduled is determined by the high-level parameter timeDomainAllocation, and the value m of timeDomainAllocation provides a pointer to the determined time domain resource allocation table (according to other types of Type 1 CG PUSCH).
  • High-level parameter determine whether the time domain resource allocation table is associated with DCI format 0_0 or DCI format 0_1) row index m+1.
  • the time domain resource of the PUSCH authorized and scheduled is determined by the time domain resource assignment field (Time domain resource assignment field) in the activation DCI format, and the determined time domain resource allocation table is the same as the activation DCI format.
  • the time domain resource allocation table uses the time domain resource allocation table configured by the high layer and associated with DCI format 0_0, that is, if the activated DCI is DCI format 0_1, then the time domain resource allocation table The allocation table uses the time-domain resource allocation table associated with DCI format 0_1 configured by the high layer.
  • DG dynamic scheduling
  • Multi-PUSCH Time-domain resource allocation for dynamic scheduling (DG) multi-PUSCH (Multi-PUSCH) in unlicensed frequency bands (such as NR-U)
  • the Multi-PUSCH is scheduled by a single DCI and can only use the non-fallback DCI format (non-fallback DCI format), that is, upstream DCI format(s) other than DCI format 0_0, such as DCI format 0_1.
  • Scheduling one or more consecutive PUSCHs in time can save the overhead of DCI delivery by the base station, reduce the need for the UE to perform LBT, and reduce the introduction of multiple uplink and downlink within the Channel Occupancy Time (COT) initiated by the base station. Conversion point needs.
  • COT Channel Occupancy Time
  • the time domain resource allocation table associated with a non-fallback DCI format such as DCI format 0_1 (here, DCI format 0_1 is taken as an example, but not limited to this, applies to all non-fallback DCI formats)
  • Each row of the resource allocation table can determine the time domain resource allocation of one or more PUSCHs (up to 8)), and each PUSCH corresponds to a separate pair of start and length indicator values (Start and length indicator value, SLIV) and solution Modulation Reference Signal (DM-RS) mapping type (Mapping Type).
  • the K2 parameter in each row indicates the slot offset of the slot where the first PUSCH is located relative to the slot where the DCI is scheduled.
  • DCI format 0_1 indicates that one or more PUSCHs determined by this row are scheduled by indicating the index of a row in the time domain resource allocation table configured by the high layer, and the number of scheduled PUSCHs is determined by the number of valid SLIVs in this row.
  • the network side configures the terminal with the high-level parameter cg-nrofSlots -r16 and cg-nrofPUSCH-InSlot-r16.
  • cg-nrofSlots-r16 indicates the number of consecutive slots (slots) allocated in the period of the CG.
  • cg-nrofPUSCH-InSlot-r16 indicates how many consecutive CG-PUSCH candidate transmission positions are allocated in one slot.
  • SLIV indicates the start symbol S of the first CG PUSCH in the transmission slot of the CG, and the transmission length L. All consecutive CG-PUSCH candidate transmission positions in a time slot have the same transmission length. In cg-nrofSlots-r16 consecutive time slots, the CG PUSCH candidate transmission positions and lengths are the same, that is, the transmission lengths of Multi-PUSCH are the same.
  • the transmission of multiple different CG PUSCHs can be supported, and the time domain transmission lengths of the multiple different CG PUSCHs are the same, that is, L is the same.
  • the transmission of multiple different DG PUSCHs can also be supported, but the time-domain transmission lengths of the multiple different DG PUSCHs can be different, that is, the time-domain resource allocation table associated with the configured DCI format 0_1 is for each Each scheduled PUSCH has a single pair (S, L), and L of multiple PUSCHs may be different.
  • this application also needs to solve the following specific problems: 1) When the CG PUSCH or the PUSCH carrying the Semi-Persistent Channel State Information (SP-CSI) is activated and used When it is DCI format 0_1, it is not clear which time domain resource allocation table indicated by the time domain resource allocation field in the activated DCI (associated with which DCI format) is to ensure that different CG PUSCs or bearer SP-CSI are The transmission length of the PUSCH is the same.
  • SP-CSI Semi-Persistent Channel State Information
  • Case 1 It is not supported to configure PUSCH-TimeDomainResourceAllocationListForMultiPUSCH and pusch-TimeDomainAllocationList-ForDCIformat0_1 at the same time by the upper layer.
  • Case 3 If the repetition type of pusch-TimeDomainAllocationList-ForDCIformat0_1 configured by the upper layer is PUSCH repetition Type B or the repetition type is PUSCH repetition Type A, and the upper layer configures the number of repetitions (numberofrepetition) in the time domain resource allocation table, the upper layer is not supported Configure PUSCH-TimeDomainResourceAllocationListForMultiPUSCH and pusch-TimeDomainAllocationList-ForDCIformat0_1 at the same time; otherwise, the upper layer can configure PUSCH-TimeDomainResourceAllocationListForMultiPUSCH and pusch-TimeDomainAllocationList-ForDCIformat0_1 at the same time.
  • FIG. 2 is a flowchart of a method for determining a resource provided by an embodiment of the present invention. The method is applied to a terminal. As shown in FIG. 2, the method includes the following steps:
  • Step 21 Receive the first DCI.
  • the first DCI is a non-fallback DCI format, and at least one row index in the time domain resource allocation table associated with the non-fallback DCI format indicates time domain transmission resources of multiple PUSCHs.
  • the first DCI is used to schedule the transmission of the PUSCH on the unlicensed frequency band.
  • Step 22 Determine the time domain resource allocation table used when transmitting the PUSCH according to the following contents: whether the transmission scheduled by the first DCI is initial transmission or retransmission, and the scrambling identifier of the first DCI.
  • the scrambling identifier of the first DCI includes but is not limited to CS-RNTI, SP-CSI-RNTI and the like.
  • the scrambling identifier of the first DCI may activate or schedule the transmission of the CG PUSCH.
  • the scrambling identifier of the first DCI is SP-CSI-RNTI, the first DCI may activate or schedule transmission of the PUSCH bearing SP-CSI.
  • the terminal may determine the time used when transmitting the PUSCH according to whether the transmission scheduled by the first DCI is initial transmission or retransmission and/or the scrambling identifier of the first DCI. Domain Resource Allocation Table. Thereby, the time-domain resource allocation table used when PUSCH is transmitted can be specified.
  • the non-fallback DCI format is such as DCI format 0_1 DCI is used to activate Type 2 CG PUSCH, or to activate PUSCH carrying SP-CSI
  • at least one row index in the time domain resource allocation table configured by the higher layer associated with the DCI format 0_1 indicates that multiple different transmissions are included
  • the time domain transmission resources (S, L) of the PUSCH of the block (Transport Block, TB) are used, the L of the multiple different PUSCHs may be the same or different, and the UE may determine the time used for PUSCH transmission according to at least one of the following: Domain Resource Allocation Table:
  • Type of operating frequency band (whether it is unlicensed band or shared spectrum channel access);
  • Specific RRC parameters (such as cg-nrofPUSCH-InSlot-r16, cg-nrofSlots-r16): whether to configure this parameter or the value of this parameter to a specific value;
  • the transmission scheduled by the DCI is an initial transmission or a retransmission.
  • the terminal may determine to use a non-fallback DCI format (that is, the first DCI format)
  • the time-domain resource allocation table associated with the DCI format of the DCI, or the time-domain resource allocation table associated with the fallback DCI format (DCI format 0_0) is determined.
  • the time-domain resource allocation table associated with the DCI format 0_0 can be selected as the time-domain resource allocation table associated with the uplink DCI format 0_0 received on the user-specific search space (UE-specific search space).
  • the terminal can transmit the CG PUSCH or the PUSCH bearing SP-CSI by using at least one of the following:
  • the user/terminal UE can only use a predefined time domain transmission resource of one PUSCH, that is, S and L of a specific PUSCH, Other PUSCH time domain transmission resources are ignored.
  • the above-mentioned predefined PUSCH can be any of the following:
  • the first valid (valid) PUSCH indicated by the time domain resource allocation table associated with the non-fallback DCI format That is to say, the time-domain transmission resources of the PUSCH are not invalid for other reasons, such as downlink (DL) symbols or downlink transmission in the indicated time-domain transmission resources, or the indicated time-domain transmission resources are configured by other higher layers or dynamically scheduled signaling indicates unavailable/invalid resources.
  • the user/terminal UE can only use the row index (row index) for scheduling one PUSCH.
  • the user/terminal UE can only use the row index (row index) in which multiple PUSCHs are scheduled and the transmission lengths of the multiple PUSCHs are the same .
  • the transmission lengths of different CG PUSCHs or PUSCHs carrying SP-CSI can be guaranteed to be the same, so that the network side and the terminal side can be guaranteed under the premise of ensuring the flexibility of network scheduling/configuration.
  • the situation where the terminal determines to use the time domain resource allocation table associated with the fallback DCI format may include any of the following:
  • the preset high layer parameters determine to use the time domain resource allocation table associated with the fallback DCI format.
  • the preset high-level parameter restricts that the terminal does not support the time-domain resource allocation table associated with the non-fallback DCI format. At this time, only activating and/or deactivating uplink configuration transmission with fallback DCI format is supported, and activating and/or deactivating uplink configuration transmission with non-fallback DCI format is not supported, and the time domain resources associated with fallback DCI format are used Allocation Table.
  • the terminal does not support CS-RNTI/SP-CSI-RNTI scrambled DCI to activate CG-PUSCH and bearer Transmission of PUSCH for SP-CSI.
  • time domain resource allocation table associated with DCI format 0_1 shown in FIG. 3A when transmitting PUSCH, only one PUSCH time domain transmission resource indicated by row index 1 may be selected for transmission, or row index 1 may be selected for transmission.
  • the terminal when the transmission scheduled by the first DCI is retransmission, and the scrambling identifier of the first DCI is CS-RNTI, the terminal retransmits a CG PUSCH that failed to transmit before, or only supports retransmission before one
  • a CG PUSCH that fails to transmit it may be determined to use the time domain resource allocation table associated with the non-fallback DCI format (that is, the DCI format of the first DCI), or it may be determined to use the fallback DCI format (DCI format 0_0) associated time-domain resource allocation table.
  • the terminal can use at least one of the following to retransmit the CG PUSCH that has previously failed to transmit:
  • the user/terminal UE can only use a predefined time domain transmission resource of one PUSCH, that is, S and L of a specific PUSCH, Other PUSCH time domain transmission resources are ignored.
  • the above-mentioned predefined PUSCH can be any of the following:
  • the user/terminal UE can only use the row index (row index) for scheduling one PUSCH.
  • the user/terminal UE can only use the row index (row index) in which multiple PUSCHs are scheduled and the transmission lengths of the multiple PUSCHs are the same .
  • U represents an uplink time slot
  • D represents a downlink time slot
  • F represents a special time slot.
  • the situation in which the terminal determines to use the time domain resource allocation table associated with the fallback DCI format may include any of the following:
  • the terminal When the terminal is configured with the preset high-level parameters, it is determined to use the time domain resource allocation table associated with the fallback DCI format; the preset high-level parameters are used to limit the terminal that does not support the time domain associated with the non-fallback DCI format; Domain Resource Allocation Table.
  • the terminal when the transmission scheduled by the first DCI is a retransmission, and the scrambling identifier of the first DCI is CS-RNTI, the terminal supports retransmission of multiple previously failed CG PUSCHs, and the multiple previously failed CG PUSCHs are retransmitted.
  • the index number of the Hybrid Automatic Repeat reQuest (HARQ) process of the failed CG PUSCH is continuously incremented or decremented in steps of 1, determine the time domain associated with the non-fallback DCI format Resource allocation table.
  • HARQ Hybrid Automatic Repeat reQuest
  • the terminal can use the time domain of the PUSCH indicated by the third row index in the time domain resource allocation table associated with the non-fallback DCI format.
  • Transmission resources retransmit the multiple CG PUSCHs that failed to transmit before; wherein, the third row index is indicated by the first DCI, and the number of time domain transmission resources of the PUSCH indicated by the third row index is greater than or equal to the multiple The number of CG PUSCHs that failed to transmit before.
  • Type 1 CG PUSCH and/or Type 2 CG PUSCH configured on the NR unlicensed band
  • the non-fallback DCI format received by the UE such as DCI format 0_1 is used to schedule retransmission of Type 1 or Type 2 CG PUSCH
  • at least one row index in the time domain resource allocation table configured by the higher layer associated with the DCI format 0_1 indicates the time domain transmission resources (S, L) that include multiple different PUSCHs, then:
  • the UE determines to use the time domain resource allocation table associated with the non-fallback DCI format, or determines to use the fallback DCI format to associate time-domain resource allocation table. The specific manner is as shown above, and will not be repeated here.
  • the retransmission can support these multiple CG PUSCHs that failed to transmit before, otherwise only the retransmission is supported.
  • each CG-PUSCH scheduled for retransmission has a separate pair (S, L), and L of multiple PUSCHs may be the same. can also be different.
  • the terminal may determine to use a non-fallback DCI format (ie, the DCI format of the first DCI). Linked time domain resource allocation table.
  • the first CG PUSCH is retransmitted by using the first time-domain transmission resources, and the second CG PUSCH and the second time-domain corresponding to the second CG PUSCH are ignored transmission resources; wherein, each first indication field corresponds to a CG PUSCH, the first indication field corresponding to the first CG PUSCH is a preset value, and the first indication field corresponding to the second CG PUSCH is not a preset value; the first The time domain transmission resources and the second time domain transmission resources are: the resources in the time domain transmission resources of the PUSCH indicated by the fourth row index indicated by the first DCI in the time domain resource allocation table associated with the non-fallback DCI format .
  • the above-mentioned first indication field can be optionally a New Data Indication (New Data Indication, NDI) field, or other fields, which are not limited.
  • New Data Indication New Data Indication, NDI
  • each PUSCH has an independent NDI field and a redundancy version (Redundancy Version, RV) domain.
  • RV Redundancy Version
  • the band where the PUSCH is located is the unlicensed band
  • the method of PUSCH resource allocation associated with format 0_1 may adopt the same or different method as the PUSCH resource allocation associated with DCI format 0_1 scrambled by CS-RNTI for retransmission.
  • the PUSCH resource allocation table and DCI format 0_0 associated with DCI format 0_1 for CS-RNTI scrambling for Activation is the same, or the resource allocation table for single PUSCH (when both single and multi PUSCH resource allocation tables are configured); the PUSCH resource allocation table associated with DCI format 0_1 for CS-RNTI scrambled for retransmission It is the same as the PUSCH resource allocation table associated with the C-RNTI scrambled DCI format 0_1, or the resource allocation table for multi PUSCH (when both the single and multi PUSCH resource allocation tables are configured).
  • the execution subject may be a resource determination apparatus, or a control module in the resource determination apparatus for executing the resource determination method.
  • the resource determining device provided by the embodiment of the present application is described by taking the resource determining device executing the resource determining method as an example.
  • FIG. 4 is a schematic structural diagram of a resource determination apparatus provided by an embodiment of the present invention, which is applied to a terminal.
  • the resource determination apparatus 40 includes:
  • a receiving module 41 configured to receive a first DCI; wherein the first DCI is a non-fallback DCI format, and at least one row index in a time domain resource allocation table associated with the non-fallback DCI format indicates multiple PUSCHs the time domain transmission resources; the first DCI is used to schedule PUSCH transmission on the unlicensed frequency band;
  • the determining module 42 is configured to determine the time domain resource allocation table used when transmitting the PUSCH according to the following content: whether the transmission scheduled by the first DCI is an initial transmission or a retransmission, and a scrambling identifier of the first DCI.
  • the determining module 42 is specifically configured to:
  • the apparatus further includes:
  • a transmission module configured to transmit the CG PUSCH or the PUSCH bearing SP-CSI by using at least one of the following after determining the time domain resource allocation table associated with the non-fallback DCI format:
  • the predefined PUSCH is any of the following:
  • the determining module 42 is further configured to perform any one of the following:
  • the preset high layer parameter When the preset high layer parameter is configured, it is determined to use the time domain resource allocation table associated with the fallback DCI format; wherein the preset high layer parameter is used to restrict the terminal from not supporting the time domain associated with the non-fallback DCI format Resource allocation table.
  • the determining module 42 is specifically configured to:
  • the terminal supports retransmission of a CG PUSCH whose transmission failed before, determine to use the time domain resource allocation table associated with the non-fallback DCI format, or determine to use the time domain resource associated with the fallback DCI format Allocation Table.
  • the resource determining device 40 further includes:
  • a first retransmission module configured to retransmit the one previously failed CG PUSCH by using at least one of the following after determining the time domain resource allocation table associated with the non-fallback DCI format:
  • the determining module 42 is specifically configured to:
  • the terminal supports retransmission of multiple CG PUSCHs that have failed to transmit before, and the index numbers of the HARQ processes of the multiple CG PUSCHs that have failed to transmit before are continuously incremented or decremented in steps of 1, determine to use Time domain resource allocation table associated with the non-fallback DCI format.
  • the resource determining device 40 further includes:
  • a second retransmission module configured to use the third row index in the time domain resource allocation table associated with the non-fallback DCI format after determining the time domain resource allocation table associated with the non-fallback DCI format
  • the indicated PUSCH time domain transmission resources retransmit the multiple CG PUSCHs that failed to transmit before; wherein, the third row index is indicated by the first DCI, and the third row index indicates the time domain of the PUSCH
  • the number of transmission resources is greater than or equal to the number of the multiple CG PUSCHs whose transmission failed before.
  • the determining module 42 is specifically configured to:
  • a time domain resource allocation table associated using the non-fallback DCI format is determined.
  • the resource determining device 40 further includes:
  • a processing module configured to retransmit the first CG PUSCH according to the plurality of first indication fields included in the first DCI, using the first time domain transmission resource, and ignore the correspondence between the second CG PUSCH and the second CG PUSCH The second time domain transmission resource of ;
  • each of the first indication fields corresponds to a CG PUSCH, the first indication field corresponding to the first CG PUSCH is a preset value, and the first indication field corresponding to the second CG PUSCH is not a preset value;
  • the first time domain transmission resource and the second time domain transmission resource are those indicated by the fourth row index indicated by the first DCI in the time domain resource allocation table associated with the non-fallback DCI format. Resource in the time domain transmission resource of PUSCH.
  • the resource determining apparatus in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the resource determining device in the embodiment of the present application may be a device having an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the resource determination device 40 provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not described here.
  • an embodiment of the present application further provides a terminal 50, including a processor 51, a memory 52, a program or instruction stored in the memory 52 and executable on the processor 51, the When the program or the instruction is executed by the processor 51, each process of the above-mentioned method embodiment shown in FIG. 2 is implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • FIG. 6 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 600 includes but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610 and other components .
  • the terminal 100 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 610 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 6 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 604 may include a graphics processor (Graphics Processing Unit, GPU) 6041 and a microphone 6042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 606 may include a display panel 6061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 607 includes a touch panel 6071 and other input devices 6072 .
  • the touch panel 6071 is also called a touch screen.
  • the touch panel 6071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 6072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
  • the radio frequency unit 601 receives the downlink data from the network side device, and then processes it to the processor 610; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 609 may be used to store software programs or instructions as well as various data.
  • the memory 609 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 609 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 610 may include one or more processing units; optionally, the processor 610 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 610.
  • the radio frequency unit 601 is configured to receive a first DCI; wherein the first DCI is a non-fallback DCI format, and at least one row index in a time domain resource allocation table associated with the non-fallback DCI format indicates multiple time-domain transmission resources of PUSCH; the first DCI is used for scheduling PUSCH transmission on the unlicensed frequency band;
  • the processor 610 is configured to determine a time domain resource allocation table used when transmitting the PUSCH according to the following content: whether the transmission scheduled by the first DCI is an initial transmission or a retransmission, and a scrambling identifier of the first DCI.
  • the terminal 600 provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in FIG. 2 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the method embodiment shown in FIG. To achieve the same technical effect, in order to avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above-mentioned FIG. 2
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run a network-side device program or instruction to implement the above-mentioned FIG. 2
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • modules, units, sub-modules, sub-units, etc. can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, for in other electronic units or combinations thereof that perform the functions described herein.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD Programmable Logic Device
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array

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Abstract

公开了一种资源确定方法、装置及终端。方案包括:接收第一DCI;所述第一DCI是非回退DCI格式,所述非回退DCI格式相关联的时域资源分配表中的至少一个行索引指示了多个物理上行共享信道PUSCH的时域传输资源;所述第一DCI用于调度PUSCH在非授权频段上传输;根据以下内容,确定传输PUSCH时使用的时域资源分配表:所述第一DCI调度的传输是初传还是重传、所述第一DCI的加扰标识。

Description

资源确定方法、装置及终端
相关申请的交叉引用
本申请主张在2020年7月16日在中国提交的中国专利申请号No.202010688118.3的优先权,其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域,具体涉及一种资源确定方法、装置及终端。
背景技术
现有技术中,可以支持非回退下行控制信息(Downlink Control Channel,DCI)格式的DCI来调度物理上行共享信道(Physical Uplink Shared Channel,PUSCH)在非授权频段(unlicensed band)上传输。然而,在此情况下,尚不清楚使用哪个时域资源分配表来传输PUSCH。
发明内容
本申请实施例的目的是提供一种资源确定方法、装置及终端,以解决目前在使用非回退DCI格式的DCI调度PUSCH在非授权频段上传输时,尚不清楚使用哪个时域资源分配表来传输PUSCH的问题。
为了解决上述技术问题,本申请是这样实现的:
第一方面,提供了一种资源确定方法,应用于终端,包括:
接收第一DCI;其中,所述第一DCI是非回退DCI格式,所述非回退DCI格式相关联的时域资源分配表中的至少一个行索引指示了多个PUSCH的时域传输资源;所述第一DCI用于调度PUSCH在非授权频段上传输;
根据以下内容,确定传输PUSCH时使用的时域资源分配表:所述第一DCI调度的传输是初传还是重传、所述第一DCI的加扰标识。
第二方面,提供了一种资源确定装置,应用于终端,
接收模块,用于接收第一DCI;其中,所述第一DCI是非回退DCI格式,所述非回退DCI格式相关联的时域资源分配表中的至少一个行索引指示了多 个PUSCH的时域传输资源;所述第一DCI用于调度PUSCH在非授权频段上传输;
确定模块,用于根据以下内容,确定传输PUSCH时使用的时域资源分配表:所述第一DCI调度的传输是初传还是重传、所述第一DCI的加扰标识。
第三方面,提供了一种终端,该终端包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第一方面所述的资源确定方法的步骤。
第四方面,提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面所述的资源确定方法的步骤。
第五方面,提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如第一方面所述的资源确定方法。
在本申请实施例中,终端在接收第一DCI后,该第一DCI是非回退DCI格式,该非回退DCI格式相关联的时域资源分配表中的至少一个行索引指示了多个PUSCH的时域传输资源,给第一DCI用于调度PUSCH在非授权频段上传输,可以根据第一DCI调度的传输是初传还是重传和/或第一DCI的加扰标识,确定传输PUSCH时使用的时域资源分配表。由此,可以明确在这种情况下传输PUSCH时所使用的时域资源分配表。
附图说明
图1是本申请实施例提供的一种无线通信系统的框图;
图2是本申请实施例提供的一种资源确定方法的流程图;
图3A是本申请实例1中的时域资源分配表的示意图;
图3B是本申请实例2中的时域资源分配表的示意图;
图4是本申请实施例提供的一种资源确定装置的结构示意图;
图5是本申请实施例提供的一种终端的结构示意图;
图6是本申请实施例提供的另一种终端的结构示意图。
具体实施方式
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,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作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。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。然而,以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,尽管这些技术也可应用于NR系统应用以外的应用,如第6代(6 th Generation,6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中,终端11也可以称作终端设备或者用户终端(User Equipment,UE),终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算 机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、可穿戴式设备(Wearable Device)或车载设备(Vehicle User Equipment,VUE)、行人终端(Pedestrian User Equipment,PUE)等终端侧设备,可穿戴式设备包括:手环、耳机、眼镜等。需要说明的是,在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网,其中,基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set,BSS)、扩展服务集(Extended Service Set,ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述基站不限于特定技术词汇,需要说明的是,在本申请实施例中仅以NR系统中的基站为例,但是并不限定基站的具体类型。
为了便于理解本申请实施例,首先说明以下内容。
在未来通信系统中,非授权频段(Unlicensed Band)可以作为授权频段(Licensed Band)的补充帮助运营商对服务进行扩容。由于非授权频段由多种技术(Radio Access Technology,RAT)共用,例如Wi-Fi、雷达、基于LTE的授权频谱辅助接入到非授权频谱(LTE-based Licensed-Assisted Access,LTE-LAA)等,因此在某些国家或者区域,非授权频段在使用时必须符合监管条例以保证所有设备可以公平地共享该资源,例如传输前侦听信道(Listen Before Talk,LBT)、最大信道占用时间(Maximum Channel Occupancy Time,MCOT)等。当传输节点需要发送信息时,要求先在指定无线信道上执行LBT,对周围的无线传输环境进行能量检测(Energy Detection,ED),当能量低于一定门限时,信道被判断为空闲,此时才可以开始传输。反之,则判断信道为忙,传输节点不能进行发送。传输节点可以是基站、UE、Wi-Fi AP等。传输节点开始传输后,占用的信道时间不能超过MCOT。
对于上行传输方式,可以分为基于动态调度的(dynamic grant based)和基于授权调度的(configured grant based)。进一步的,授权调度(Configured Grant,CG)的上行传输又分为Type 1(如授权调度的Type 1 PUSCH传输,Type 1 PUSCH transmissions with a configured grant)和Type2(如授权调度的 Type 2 PUSCH传输,Type 2 PUSCH transmissions with a configured grant)两个子类型。其中,授权调度的Type 1 PUSCH传输的所有传输参数由高层半静态配置,其传输资源周期性出现。而授权调度的Type 2 PUSCH传输,其传输参数由高层和物理层共同配置、指示。高层主要半静态的配置传输资源的周期,物理层主要指示传输参数如调制编码方式(Modulation and Coding Scheme,MCS)、具体的时频资源,传输层数等。
值得注意的是,CG PUSCH的重传是可以基于DCI调度的,即回退DCI格式如DCI format 0_0和非回退DCI格式如DCI format 0_1都可以用来调度CG PUSCH的重传。该DCI format 0_0和DCI format 0_1的循环冗余校验(Cyclic Redundancy Check,CRC)是使用配置调度无线网络临时标识(Configured Scheduling-Radio Network Temporary Identity,CS-RNTI)进行加扰的,且DCI中新数据传输指示(New Data Indication,NDI)域的值设置为1。当CG PUSCH重传是DCI调度时,其高层参数除了上行功率的相关参数和调制编码方式的参数用的是CG PUSCH的参数,其他的参数用的是DG PUSCH的参数,可以认为CG PUSCH的重传是动态调度的传输。
对于上行重复传输类型,基于时隙slot的重复传输的机制称为PUSCH repetition Type A,即K个重复传输需要占用K个slot,每个slot里数据传输所占用的时间资源(传输的起始位置)都是相同的,如果重复传输的次数大于1,数据只能采用1层(single-layer)传输。基于子时隙sub-slot的重复传输的机制称为PUSCH repetition Type B,即K个名义重复传输(nominal repetition)可以在一个slot里进行“背靠背”的连续传输,当一个名义传输的时域资源要跨越时隙slot的边界或者该时域资源里存在无效、不可用的资源、符号时,比如下行符号,该名义传输会被slot或无效的资源,符号分割为多个实际重复传输(actual repetition)。
1)对于非授权频段(如NR-U)的单个PUSCH(Single-PUSCH)的时域资源分配,无论是DG PUSCH还是CG PUSCH,若激活或调度的DCI格式(format)是回退(fallback)DCI format即DCI format 0_0,终端只能传输1个PUSCH。相应的,高层配置的时域资源分配表的每一行只确定单个PUSCH的时域资源。
进一步的,对于Type 1 CG PUSCH,其授权调度的PUSCH的时域资源是由高层参数timeDomainAllocation来决定的,timeDomainAllocation的值m提供了指向所确定的时域资源分配表(根据Type 1 CG PUSCH的其他高层参数,确定该时域资源分配表是和DCI format 0_0还是DCI format 0_1相关联)的行索引m+1。
对于Type 2 CG PUSCH,其授权调度的PUSCH的时域资源是由激活DCI format中的时域资源分配域(Time domain resource assignment field)来决定的,确定的时域资源分配表是和激活DCI format相关联,即若激活DCI是DCI format 0_0,则时域资源分配表用的是高层配置的和DCI format 0_0相关联的时域资源分配表,即若激活DCI是DCI format 0_1,则时域资源分配表用的是高层配置的和DCI format 0_1相关联的时域资源分配表。
2)对于非授权频段(如NR-U)的动态调度(DG)的多PUSCH(Multi-PUSCH)的时域资源分配,该Multi-PUSCH是由单个DCI调度且只能用非回退DCI格式(非fallback DCI format),即除DCI format 0_0之外的上行DCI format(s),比如DCI format 0_1。在时间上调度连续的1到多个PUSCH,可以节约基站下发DCI的开销,减少UE执行LBT的需求,并且减少在基站发起的信道占用时间(Channel Occupancy Time,COT)内引入多个上下行转换点的需求。
与非回退DCI格式如DCI format 0_1(此处以DCI format 0_1为例,但不以此为限,适用于所有非回退DCI格式)相关联的时域资源分配表由高层配置,该时域资源分配表的每一行可以确定一到多个PUSCH的时域资源分配(最大可以到8个),每个PUSCH对应单独的一对开始和长度指示值(Start and length indicator value,SLIV)和解调参考信号(Demodulation Reference Signal,DM-RS)映射类型(Mapping Type)。每一行中的K2参数指示第一个PUSCH所在时隙相对于调度DCI所在时隙的时隙偏移。DCI format 0_1通过指示高层配置的时域资源分配表中的某一行的索引,来指示调度了由此行确定的一到多个PUSCH,调度的PUSCH数目由此行中有效SLIV数目来确定。
3)对于非授权频段(如NR-U)的授权调度(CG)的Multi-PUSCH的时域资源分配,针对Type1 CG PUSCH和Type2 CG PUSCH的传输,网络侧为 终端配置了高层参数cg-nrofSlots-r16和cg-nrofPUSCH-InSlot-r16。其中,cg-nrofSlots-r16指示在CG的周期中分配的连续时隙(slot)数。cg-nrofPUSCH-InSlot-r16指示在一个时隙内分配了多少个连续的CG-PUSCH候选传输位置。SLIV指示在CG的传输时隙中的第一个CG PUSCH的起始符号S,和传输长度L。在一个时隙内所有连续的CG-PUSCH候选传输位置,其传输长度都是相同的。cg-nrofSlots-r16个连续的时隙里CG PUSCH候选传输位置、长度相同,即Multi-PUSCH的传输长度是相同的。
在非授权频段(如NR-U)下,可以支持多个不同的CG PUSCH的传输,且该多个不同的CG PUSCH的时域传输长度是相同的,即L相同。此外,也可以支持多个不同的DG PUSCH的传输,但是该多个不同的DG PUSCH的时域传输长度可以是不相同的,即所配置的DCI format 0_1相关联的时域资源分配表针对每个调度的PUSCH有单独的一对(S,L),多个PUSCH的L可以是不同的。
因此,除了解决上述需解决的问题之外,本申请还需解决以下具体问题:1)当CG PUSCH或承载半静态信道状态信息(Semi-Persistent Channel State Information,SP-CSI)的PUSCH的激活使用的是DCI format 0_1时,目前尚不清晰该激活DCI中的时域资源分配域所指示的时域资源分配表是哪一个(和哪个DCI format相关联)来保证不同CG PUSC或承载SP-CSI的PUSCH的传输长度是相同的。2)当CG PUSCH的重传使用的是DCI format 0_1时,目前尚不明确相应DCI是否可以调度多个不同的CG PUSCH的重传还是只能调度1个CG PUSCH的重传,也不清楚对于重传调度的1个或多个CG-PUSCH的时域资源分配表是哪一个(和哪个DCI format相关联)。
本申请实施例中,对于多PUSCH的时域资源分配表(PUSCH-TimeDomainResourceAllocationListForMultiPUSCH)与DCI format 0_1的时域资源分配表(pusch-TimeDomainAllocationList-ForDCIformat0_1)的共存,可有但不限于如下任意一种情况:
情况1:不支持高层同时配置PUSCH-TimeDomainResourceAllocationListForMultiPUSCH和pusch-TimeDomainAllocationList-ForDCIformat0_1。
情况2:若高层配置的pusch-TimeDomainAllocationList-ForDCIformat0_1的重复类型为PUSCH repetition Type B,则不支持高层同时配置PUSCH-TimeDomainResourceAllocationListForMultiPUSCH和pusch-TimeDomainAllocationList-ForDCIformat0_1;否则高层可以同时配置PUSCH-TimeDomainResourceAllocationListForMultiPUSCH和pusch-TimeDomainAllocationList-ForDCIformat0_1。
情况3:若高层配置的pusch-TimeDomainAllocationList-ForDCIformat0_1的重复类型为PUSCH repetition Type B或者重复类型为PUSCH repetition Type A,且高层在时域资源分配表中配置了重复次数(numberofrepetition),则不支持高层同时配置PUSCH-TimeDomainResourceAllocationListForMultiPUSCH和pusch-TimeDomainAllocationList-ForDCIformat0_1;否则高层可以同时配置PUSCH-TimeDomainResourceAllocationListForMultiPUSCH和pusch-TimeDomainAllocationList-ForDCIformat0_1。
下面结合附图,通过具体的实施例及其应用场景对本申请实施例提供的资源确定方法进行详细地说明。
请参见图2,图2是本发明实施例提供的一种资源确定方法的流程图,该方法应用于终端,如图2所示,该方法包括如下步骤:
步骤21:接收第一DCI。
其中,该第一DCI是非回退DCI格式,该非回退DCI格式相关联的时域资源分配表中的至少一个行索引指示了多个PUSCH的时域传输资源。该第一DCI用于调度PUSCH在非授权频段上传输。
步骤22:根据以下内容,确定传输PUSCH时使用的时域资源分配表:第一DCI调度的传输是初传还是重传、第一DCI的加扰标识。
需指出的,第一DCI的加扰标识包括但不限于CS-RNTI、SP-CSI-RNTI等。当第一DCI的加扰标识为CS-RNTI时,第一DCI可以激活或调度CG PUSCH的传输。当第一DCI的加扰标识为SP-CSI-RNTI时,第一DCI可以激活或调度承载SP-CSI的PUSCH的传输。
本申请实施例中的资源确定方法,终端在接收第一DCI后,可以根据第一DCI调度的传输是初传还是重传和/或第一DCI的加扰标识,确定传输 PUSCH时使用的时域资源分配表。由此,可以明确传输PUSCH时所使用的时域资源分配表。
一种实施方式中,对于配置了cg-nrofPUSCH-InSlot-r16和cg-nrofSlots-r16,和/或Type 2 CG PUSCH所在频带(band)为unlicensed band,当非回退DCI格式如DCI format 0_1的DCI用来激活Type 2 CG PUSCH,或者用来激活承载SP-CSI的PUSCH,且该DCI format 0_1所关联的由高层配置的时域资源分配表中的至少一个行索引指示了包含多个不同传输块(Transport Block,TB)的PUSCH的时域传输资源(S,L)时,该多个不同PUSCH的L可以相同也可以不相同,UE可以根据以下至少一项,确定PUSCH传输时使用的时域资源分配表:
1)运行频段的类型(是否为unlicensed band或共享频谱信道接入(shared spectrum channel access));
2)特定的RRC参数(例如cg-nrofPUSCH-InSlot-r16,cg-nrofSlots-r16):是否配置该参数或者该参数的值为某一特定值;
3)DCI的加扰标识;比如CS-RNTI、SP-CSI-RNTI等;
4)DCI调度的传输是初传还是重传。
本申请实施例中,当第一DCI调度的传输是初传,且第一DCI的加扰标识为CS-RNTI或者SP-CSI-RNTI时,终端可以确定使用非回退DCI格式(即第一DCI的DCI格式)相关联的时域资源分配表,或者,确定使用回退DCI格式(DCI format 0_0)相关联的时域资源分配表。其中该DCI format 0_0相关联的时域资源分配表可选为在用户特定搜索空间(UE-specific search space)上接收的上行DCI format 0_0相关联的时域资源分配表。
可选的,在确定使用非回退DCI格式相关联的时域资源分配表之后,终端可以利用以下至少一项,传输CG PUSCH或承载SP-CSI的PUSCH:
1)非回退DCI格式相关联的时域资源分配表中的预定义的PUSCH的时域传输资源。
例如,用户/终端UE在确定使用该非回退DCI格式相关联的时域资源分配表之后,仅能使用预定义好的1个PUSCH的时域传输资源,即特定的PUSCH的S和L,忽略其他的PUSCH时域传输资源。
可选的,上述预定义的PUSCH可以为以下任意一项:
Ⅰ.该非回退DCI格式相关联的时域资源分配表指示的第一个PUSCH;
Ⅱ.该非回退DCI格式相关联的时域资源分配表指示的第一个有效的(valid)PUSCH。也就是说,该PUSCH的时域传输资源没有因为其他原因失效,该其他原因比如为指示的时域传输资源里有下行(DL)符号或下行传输,或者指示的时域传输资源被其他高层配置的或动态调度的信令指示为不可用/无效的资源。
2)非回退DCI格式相关联的时域资源分配表中的第一行索引指示的PUSCH的时域传输资源,第一行索引指示一个PUSCH的时域传输资源。
例如,用户/终端UE在确定使用该非回退DCI格式相关联的时域资源分配表之后,仅能使用调度1个PUSCH的行索引(row index)。
3)非回退DCI格式相关联的时域资源分配表中的第二行索引指示的PUSCH的时域传输资源,第二行索引指示多个PUSCH的时域传输资源,且该多个PUSCH的传输长度相同。
例如,用户/终端UE在确定使用该非回退DCI格式相关联的时域资源分配表之后,仅能使用调度了多个PUSCH且该多个PUSCH的传输长度都相同的行索引(row index)。
这样,借助上述三种时域传输资源,可以保证不同CG PUSCH或承载SP-CSI的PUSCH的传输长度是相同的,进而能够在保证网络调度/配置灵活性的前提下,保证网络侧和终端侧对所使用的时域资源理解一致。
可选的,终端确定使用回退DCI格式相关联的时域资源分配表的情况可以包括以下任意一项:
1)当配置了回退DCI格式相关联的时域资源分配表,或者同时配置了非回退DCI格式相关联的时域资源分配表和回退DCI格式相关联的时域资源分配表时,确定使用回退DCI格式相关联的时域资源分配表。
2)当配置了预设高层参数时,确定使用回退DCI格式相关联的时域资源分配表。其中该预设高层参数限制终端不支持非回退DCI格式相关联的时域资源分配表。此时只能支持用回退DCI格式激活和/或去激活上行配置传输,不支持用非回退DCI格式激活和/或去激活上行配置传输,且使用回退DCI格 式相关联的时域资源分配表。
例如,对于配置了cg-nrofPUSCH-InSlot-r16和cg-nrofSlots-r16,或者PUSCH所在band为unlicensed band,终端不支持CS-RNTI/SP-CSI-RNTI加扰的DCI来激活CG-PUSCH和承载SP-CSI的PUSCH的传输。
比如,对于图3A中所示的DCI format 0_1相关联的时域资源分配表,在传输PUSCH时,可以仅选用row index 1指示的一个PUSCH的时域传输资源进行传输,也可以选用row index 1指示的一个PUSCH的时域传输资源和row index 2指示的多个PUSCH的传输长度相同(L=4)的时域传输资源,也可以直接选用该DCI format 0_1相关联的时域资源分配表进行传输。
本申请实施例中,当第一DCI调度的传输是重传,且第一DCI的加扰标识为CS-RNTI时,终端在重传一个之前传输失败的CG PUSCH,或仅支持重传一个之前传输失败的CG PUSCH的情况下,可以确定使用非回退DCI格式(即第一DCI的DCI格式)相关联的时域资源分配表,或者,确定使用回退DCI格式(DCI format 0_0)相关联的时域资源分配表。
可选的,在确定使用非回退DCI格式相关联的时域资源分配表之后,终端可以利用以下至少一项,重传该一个之前传输失败的CG PUSCH:
1)非回退DCI格式相关联的时域资源分配表中的预定义的PUSCH的时域传输资源。
例如,用户/终端UE在确定使用该非回退DCI格式相关联的时域资源分配表之后,仅能使用预定义好的1个PUSCH的时域传输资源,即特定的PUSCH的S和L,忽略其他的PUSCH时域传输资源。
可选的,上述预定义的PUSCH可以为以下任意一项:
Ⅰ.该非回退DCI格式相关联的时域资源分配表指示的第一个PUSCH;
Ⅱ.该非回退DCI格式相关联的时域资源分配表指示的第一个有效的(valid)PUSCH。
2)非回退DCI格式相关联的时域资源分配表中的第一行索引指示的PUSCH的时域传输资源,第一行索引指示一个PUSCH的时域传输资源。
例如,用户/终端UE在确定使用该非回退DCI格式相关联的时域资源分配表之后,仅能使用调度1个PUSCH的行索引(row index)。
3)非回退DCI格式相关联的时域资源分配表中的第二行索引指示的PUSCH的时域传输资源,第二行索引指示多个PUSCH的时域传输资源,且该多个PUSCH的传输长度相同。
例如,用户/终端UE在确定使用该非回退DCI格式相关联的时域资源分配表之后,仅能使用调度了多个PUSCH且该多个PUSCH的传输长度都相同的行索引(row index)。
比如,对于图3B中所示的DCI format 0_1相关联的时域资源分配表,其中U表示上行时隙,D表示下行时隙,F表示特殊时隙。在重传PUSCH#2时,可以选用row index3指示的多个PUSCH的传输长度相同(L=4)的时域传输资源,而由于第一个时域传输资源存在下行(D),因而放弃;也可以第一个有效的PUSCH时域资源重传PUSCH#2,传输长度为5,之前的时域传输资源因存在下行(D)而无效。
可选的,在重传一个之前传输失败的CG PUSCH的情况下,终端确定使用回退DCI格式相关联的时域资源分配表的情况可包括以下任意一项:
1)当配置了回退DCI格式相关联的时域资源分配表,或者同时配置了非回退DCI格式相关联的时域资源分配表和回退DCI格式相关联的时域资源分配表时,确定使用回退DCI格式相关联的时域资源分配表。
2)当终端配置了预设高层参数时,确定使用回退DCI格式相关联的时域资源分配表;所述预设高层参数用于限制所述终端不支持非回退DCI格式相关联的时域资源分配表。
本申请实施例中,当第一DCI调度的传输是重传,且第一DCI的加扰标识为CS-RNTI时,终端在支持重传多个之前传输失败的CG PUSCH,且该多个之前传输失败的CG PUSCH的混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)进程的索引号是以1为步长连续递增或连续递减的情况下,确定使用非回退DCI格式相关联的时域资源分配表。
进一步的,在确定使用非回退DCI格式相关联的时域资源分配表之后,终端可以利用该非回退DCI格式相关联的时域资源分配表中的第三行索引指示的PUSCH的时域传输资源,重传该多个之前传输失败的CG PUSCH;其中,该第三行索引由第一DCI指示,该第三行索引指示的PUSCH的时域传 输资源的个数大于或等于该多个之前传输失败的CG PUSCH的个数。
例如,对于NR unlicensed band上配置了Type 1 CG PUSCH和/或Type 2 CG PUSCH,当UE接收到的非回退DCI格式如DCI format 0_1的DCI用来调度Type1或Type 2 CG PUSCH的重传,且该DCI format 0_1所关联的由高层配置的时域资源分配表中的至少一个行索引指示了包含多个不同PUSCH的时域传输资源(S,L)时,则:
(1)若该CG PUSCH的重传只支持重传1个之前传输失败的CG PUSCH,UE确定使用非回退DCI格式相关联的时域资源分配表,或者,确定使用回退DCI格式相关联的时域资源分配表。具体方式如上所示,在此不再赘述。
(2)如果之前传输失败的多个CG PUSCH的HARQ进程的索引是以1为步长连续递增的或者连续递减的,则重传可以支持这多个之前传输失败的CG PUSCH,否则只支持重传1个之前传输失败的CG PUSCH。即,如果基站指示的资源分配表中的SLIV是多个,那说明这多个重传PUSCH的HARQ进程的索引(HARQ Process Number,HPN)是连续的;否则基站只能指示资源分配表中的单个SLIV,不能指示多个SLIV。
一种实施方式中,若重传多个有连续HARQ进程的索引的CG PUSCH,则每个调度重传的CG-PUSCH有单独的一对(S,L),多个PUSCH的L可以是相同的也可以是不同的。
本申请实施例中,当第一DCI调度的传输是重传,且第一DCI的加扰标识为CS-RNTI时,终端可以确定使用非回退DCI格式(即第一DCI的DCI格式)相关联的时域资源分配表。之后,根据第一DCI中包括的多个第一指示域,利用第一时域传输资源,重传第一CG PUSCH,并忽略第二CG PUSCH和所述第二CG PUSCH对应的第二时域传输资源;其中,每个第一指示域对应于一个CG PUSCH,第一CG PUSCH对应的第一指示域是预设值,第二CG PUSCH对应的第一指示域不是预设值;该第一时域传输资源和第二时域传输资源为:该非回退DCI格式相关联的时域资源分配表中的由第一DCI指示的第四行索引指示的PUSCH的时域传输资源中的资源。
可选的,上述的第一指示域可选为新数据指示(New Data Indication,NDI)域,也可以为其他域,对此不进行限制。
例如,若CG PUSCH的重传可以支持重传1个或多个之前传输失败的CG PUSCH,则在调度重传的DCI中,每个PUSCH都有独立的NDI域和冗余版本(Redundancy Version,RV)域。当NDI=1(且RV不等于0)时,用户重传所对应的PUSCH,其资源由对应的SLIV指示;当NDI=0(且RV等于0)时,用户忽略所对应的PUSCH且忽略该PUSCH所对应的SLIV。
作为一种可选的实施例,对于配置了cg-nrofPUSCH-InSlot-r16和cg-nrofSlots-r16,和/或PUSCH所在band为unlicensed band,用于激活(Activation)的CS-RNTI加扰的DCI format 0_1关联的PUSCH资源分配的方法,可以采用与用于重传的CS-RNTI加扰的DCI format 0_1关联的PUSCH资源分配相同的或者不同的方法。
例如:对于配置了cg-nrofPUSCH-InSlot-r16和cg-nrofSlots-r16,或者PUSCH所在band为unlicensed band,用于Activation的CS-RNTI加扰的DCI format 0_1关联的PUSCH资源分配表和DCI format 0_0关联的PUSCH资源分配表相同,或者为single PUSCH的资源分配表(当single和multi PUSCH资源分配表都配置时);用于重传的CS-RNTI加扰的DCI format 0_1关联的PUSCH资源分配表和C-RNTI加扰的DCI format 0_1关联的PUSCH资源分配表相同,或者为multi PUSCH的资源分配表(当single和multi PUSCH资源分配表都配置时)。
需要说明的是,本申请实施例提供的资源确定方法,执行主体可以为资源确定装置,或者,该资源确定装置中的用于执行资源确定方法的控制模块。本申请实施例中以资源确定装置执行资源确定方法为例,说明本申请实施例提供的资源确定装置。
请参见图4,图4是本发明实施例提供的一种资源确定装置的结构示意图,应用于终端,如图4所示,该资源确定装置40包括:
接收模块41,用于接收第一DCI;其中,所述第一DCI是非回退DCI格式,所述非回退DCI格式相关联的时域资源分配表中的至少一个行索引指示了多个PUSCH的时域传输资源;所述第一DCI用于调度PUSCH在非授权频段上传输;
确定模块42,用于根据以下内容,确定传输PUSCH时使用的时域资源 分配表:所述第一DCI调度的传输是初传还是重传、所述第一DCI的加扰标识。
可选的,当所述第一DCI调度的传输是初传,且所述第一DCI的加扰标识为CS-RNTI或者SP-CSI-RNTI时,所述确定模块42具体用于:
确定使用所述非回退DCI格式相关联的时域资源分配表;
或者,确定使用回退DCI格式相关联的时域资源分配表。
可选的,所述确定使用所述非回退DCI格式相关联的时域资源分配表之后,所述装置还包括:
传输模块,用于在确定使用所述非回退DCI格式相关联的时域资源分配表之后,利用以下至少一项,传输CG PUSCH或者承载SP-CSI的PUSCH:
所述非回退DCI格式相关联的时域资源分配表中的预定义的PUSCH的时域传输资源;
所述非回退DCI格式相关联的时域资源分配表中的第一行索引指示的PUSCH的时域传输资源;其中,所述第一行索引指示一个PUSCH的时域传输资源;
所述非回退DCI格式相关联的时域资源分配表中的第二行索引指示的PUSCH的时域传输资源;其中,所述第二行索引指示多个PUSCH的时域传输资源,且所述多个PUSCH的传输长度相同。
可选的,所述预定义的PUSCH为以下任意一项:
所述非回退DCI格式相关联的时域资源分配表指示的第一个PUSCH;
所述非回退DCI格式相关联的时域资源分配表指示的第一个有效的PUSCH。
可选的,所述确定模块42还用于执行以下任意一项:
当配置了回退DCI格式相关联的时域资源分配表,或者同时配置了所述非回退DCI格式相关联的时域资源分配表和回退DCI格式相关联的时域资源分配表时,确定使用回退DCI格式相关联的时域资源分配表;
当配置了预设高层参数时,确定使用回退DCI格式相关联的时域资源分配表;其中,所述预设高层参数用于限制所述终端不支持非回退DCI格式相关联的时域资源分配表。
可选的,当所述第一DCI调度的传输是重传,且所述第一DCI的加扰标识为CS-RNTI时,所述确定模块42具体用于:
在所述终端支持重传一个之前传输失败的CG PUSCH的情况下,确定使用所述非回退DCI格式相关联的时域资源分配表,或者,确定使用回退DCI格式相关联的时域资源分配表。
可选的,该资源确定装置40还包括:
第一重传模块,用于在确定使用所述非回退DCI格式相关联的时域资源分配表之后,利用以下至少一项,重传所述一个之前传输失败的CG PUSCH:
所述非回退DCI格式相关联的时域资源分配表中的预定义的PUSCH的时域传输资源;
所述非回退DCI格式相关联的时域资源分配表中的第一行索引指示的PUSCH的时域传输资源;其中,所述第一行索引指示一个PUSCH的时域传输资源;
所述非回退DCI格式相关联的时域资源分配表中的第二行索引指示的PUSCH的时域传输资源;其中,所述第二行索引指示多个PUSCH的时域传输资源,且所述多个PUSCH的传输长度相同。
可选的,当所述第一DCI调度的传输是重传,且所述第一DCI的加扰标识为CS-RNTI时,所述确定模块42具体用于:
在所述终端支持重传多个之前传输失败的CG PUSCH,且所述多个之前传输失败的CG PUSCH的HARQ进程的索引号是以1为步长连续递增或连续递减的情况下,确定使用所述非回退DCI格式相关联的时域资源分配表。
可选的,该资源确定装置40还包括:
第二重传模块,用于在确定使用所述非回退DCI格式相关联的时域资源分配表之后,利用所述非回退DCI格式相关联的时域资源分配表中的第三行索引指示的PUSCH的时域传输资源,重传所述多个之前传输失败的CG PUSCH;其中,所述第三行索引由所述第一DCI指示,所述第三行索引指示的PUSCH的时域传输资源的个数大于或等于所述多个之前传输失败的CG PUSCH的个数。
可选的,当所述第一DCI调度的传输是重传,且所述第一DCI的加扰标 识为CS-RNTI时,所述确定模块42具体用于:
确定使用所述非回退DCI格式相关联的时域资源分配表。
进一步的,该资源确定装置40还包括:
处理模块,用于根据所述第一DCI中包括的多个第一指示域,利用第一时域传输资源,重传第一CG PUSCH,并忽略第二CG PUSCH和所述第二CG PUSCH对应的第二时域传输资源;
其中,每个所述第一指示域对应于一个CG PUSCH,所述第一CG PUSCH对应的第一指示域是预设值,所述第二CG PUSCH对应的第一指示域不是预设值;所述第一时域传输资源和所述第二时域传输资源为,所述非回退DCI格式相关联的时域资源分配表中的由所述第一DCI指示的第四行索引指示的PUSCH的时域传输资源中的资源。
本申请实施例中的资源确定装置可以是装置,也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端,也可以为非移动终端。示例性的,移动终端可以包括但不限于上述所列举的终端11的类型,非移动终端可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。
本申请实施例中的资源确定装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统,可以为ios操作系统,还可以为其他可能的操作系统,本申请实施例不作具体限定。
本申请实施例提供的资源确定装置40能够实现图2所示方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
可选的,如图5所示,本申请实施例还提供一种终端50,包括处理器51,存储器52,存储在存储器52上并可在所述处理器51上运行的程序或指令,该程序或指令被处理器51执行时实现上述图2所示方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
图6为实现本申请实施例的一种终端的硬件结构示意图。
该终端600包括但不限于:射频单元601、网络模块602、音频输出单元603、输入单元604、传感器605、显示单元606、用户输入单元607、接口 单元608、存储器609、以及处理器610等部件。
本领域技术人员可以理解,终端100还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器610逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图6中示出的终端结构并不构成对终端的限定,终端可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置,在此不再赘述。
应理解的是,本申请实施例中,输入单元604可以包括图形处理器(Graphics Processing Unit,GPU)6041和麦克风6042,图形处理器6041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元606可包括显示面板6061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板6061。用户输入单元607包括触控面板6071以及其他输入设备6072。触控面板6071,也称为触摸屏。触控面板6071可包括触摸检测装置和触摸控制器两个部分。其他输入设备6072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
本申请实施例中,射频单元601将来自网络侧设备的下行数据接收后,给处理器610处理;另外,将上行的数据发送给网络侧设备。通常,射频单元601包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器609可用于存储软件程序或指令以及各种数据。存储器609可主要包括存储程序或指令区和存储数据区,其中,存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外,存储器609可以包括高速随机存取存储器,还可以包括非易失性存储器,其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
处理器610可包括一个或多个处理单元;可选的,处理器610可集成应 用处理器和调制解调处理器,其中,应用处理器主要处理操作系统、用户界面和应用程序或指令等,调制解调处理器主要处理无线通信,如基带处理器。可以理解的是,上述调制解调处理器也可以不集成到处理器610中。
其中,射频单元601,用于接收第一DCI;其中,所述第一DCI是非回退DCI格式,所述非回退DCI格式相关联的时域资源分配表中的至少一个行索引指示了多个PUSCH的时域传输资源;所述第一DCI用于调度PUSCH在非授权频段上传输;
处理器610,用于根据以下内容,确定传输PUSCH时使用的时域资源分配表:所述第一DCI调度的传输是初传还是重传、所述第一DCI的加扰标识。
本申请实施例提供的终端600能够实现图2所示方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
本申请实施例还提供一种可读存储介质,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现上述图2所示方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
其中,所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络侧设备程序或指令,实现上述图2所示方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
可以理解的是,本公开描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现,模块、单元、子模块、子单元等可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits,ASIC)、数字信号处理器(Digital Signal Processing,DSP)、数字信号处理设备(DSP Device,DSPD)、可编程逻辑设备(Programmable Logic Device,PLD)、 现场可编程门阵列(Field-Programmable Gate Array,FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。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(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。

Claims (25)

  1. 一种资源确定方法,应用于终端,包括:
    接收第一下行控制信息DCI;其中,所述第一DCI是非回退DCI格式,所述非回退DCI格式相关联的时域资源分配表中的至少一个行索引指示了多个物理上行共享信道PUSCH的时域传输资源;所述第一DCI用于调度PUSCH在非授权频段上传输;
    根据以下内容,确定传输PUSCH时使用的时域资源分配表:所述第一DCI调度的传输是初传还是重传、所述第一DCI的加扰标识。
  2. 根据权利要求1所述的方法,其中,当所述第一DCI调度的传输是初传,且所述第一DCI的加扰标识为配置调度无线网络临时标识CS-RNTI或者半静态信道状态信息无线网络临时标识SP-CSI-RNTI时,所述确定传输PUSCH时使用的时域资源分配表,包括:
    确定使用所述非回退DCI格式相关联的时域资源分配表;
    或者,确定使用回退DCI格式相关联的时域资源分配表。
  3. 根据权利要求2所述的方法,其中,所述确定使用所述非回退DCI格式相关联的时域资源分配表之后,所述方法还包括:
    利用以下至少一项,传输授权调度CG PUSCH或者承载半静态信道状态信息SP-CSI的PUSCH:
    所述非回退DCI格式相关联的时域资源分配表中的预定义的PUSCH的时域传输资源;
    所述非回退DCI格式相关联的时域资源分配表中的第一行索引指示的PUSCH的时域传输资源;其中,所述第一行索引指示一个PUSCH的时域传输资源;
    所述非回退DCI格式相关联的时域资源分配表中的第二行索引指示的PUSCH的时域传输资源;其中,所述第二行索引指示多个PUSCH的时域传输资源,且所述多个PUSCH的传输长度相同。
  4. 根据权利要求3所述的方法,其中,所述预定义的PUSCH为以下任意一项:
    所述非回退DCI格式相关联的时域资源分配表指示的第一个PUSCH;
    所述非回退DCI格式相关联的时域资源分配表指示的第一个有效的PUSCH。
  5. 根据权利要求2所述的方法,其中,所述确定使用回退DCI格式相关联的时域资源分配表,包括以下任意一项:
    当配置了回退DCI格式相关联的时域资源分配表,或者同时配置了所述非回退DCI格式相关联的时域资源分配表和回退DCI格式相关联的时域资源分配表时,确定使用回退DCI格式相关联的时域资源分配表;
    当配置了预设高层参数时,确定使用回退DCI格式相关联的时域资源分配表;其中,所述预设高层参数用于限制所述终端不支持非回退DCI格式相关联的时域资源分配表。
  6. 根据权利要求1所述的方法,其中,当所述第一DCI调度的传输是重传,且所述第一DCI的加扰标识为CS-RNTI时,所述确定传输PUSCH时使用的时域资源分配表,包括:
    在所述终端支持重传一个之前传输失败的CG PUSCH的情况下,确定使用所述非回退DCI格式相关联的时域资源分配表,或者,确定使用回退DCI格式相关联的时域资源分配表。
  7. 根据权利要求6所述的方法,其中,所述确定使用所述非回退DCI格式相关联的时域资源分配表之后,所述方法还包括:
    利用以下至少一项,重传所述一个之前传输失败的CG PUSCH:
    所述非回退DCI格式相关联的时域资源分配表中的预定义的PUSCH的时域传输资源;
    所述非回退DCI格式相关联的时域资源分配表中的第一行索引指示的PUSCH的时域传输资源;其中,所述第一行索引指示一个PUSCH的时域传输资源;
    所述非回退DCI格式相关联的时域资源分配表中的第二行索引指示的PUSCH的时域传输资源;其中,所述第二行索引指示多个PUSCH的时域传输资源,且所述多个PUSCH的传输长度相同。
  8. 根据权利要求1所述的方法,其中,当所述第一DCI调度的传输是重 传,且所述第一DCI的加扰标识为CS-RNTI时,所述确定传输PUSCH时使用的时域资源分配表,包括:
    在所述终端支持重传多个之前传输失败的CG PUSCH,且所述多个之前传输失败的CG PUSCH的混合自动重传请求HARQ进程的索引号是以1为步长连续递增或连续递减的情况下,确定使用所述非回退DCI格式相关联的时域资源分配表。
  9. 根据权利要求8所述的方法,其中,所述确定使用所述非回退DCI格式相关联的时域资源分配表之后,所述方法还包括:
    利用所述非回退DCI格式相关联的时域资源分配表中的第三行索引指示的PUSCH的时域传输资源,重传所述多个之前传输失败的CG PUSCH;
    其中,所述第三行索引由所述第一DCI指示,所述第三行索引指示的PUSCH的时域传输资源的个数大于或等于所述多个之前传输失败的CG PUSCH的个数。
  10. 根据权利要求1所述的方法,其中,当所述第一DCI调度的传输是重传,且所述第一DCI的加扰标识为CS-RNTI时,所述确定传输PUSCH时使用的时域资源分配表,包括:
    确定使用所述非回退DCI格式相关联的时域资源分配表;
    所述确定使用所述非回退DCI格式相关联的时域资源分配表之后,所述方法还包括:
    根据所述第一DCI中包括的多个第一指示域,利用第一时域传输资源,重传第一CG PUSCH,并忽略第二CG PUSCH和所述第二CG PUSCH对应的第二时域传输资源;
    其中,每个所述第一指示域对应于一个CG PUSCH,所述第一CG PUSCH对应的第一指示域是预设值,所述第二CG PUSCH对应的第一指示域不是预设值;
    所述第一时域传输资源和所述第二时域传输资源为,所述非回退DCI格式相关联的时域资源分配表中的由所述第一DCI指示的第四行索引指示的PUSCH的时域传输资源中的资源。
  11. 一种资源确定装置,应用于终端,包括:
    接收模块,用于接收第一DCI;其中,所述第一DCI是非回退DCI格式,所述非回退DCI格式相关联的时域资源分配表中的至少一个行索引指示了多个PUSCH的时域传输资源;所述第一DCI用于调度PUSCH在非授权频段上传输;
    确定模块,用于根据以下内容,确定传输PUSCH时使用的时域资源分配表:所述第一DCI调度的传输是初传还是重传、所述第一DCI的加扰标识。
  12. 根据权利要求11所述的装置,其中,当所述第一DCI调度的传输是初传,且所述第一DCI的加扰标识为CS-RNTI或者SP-CSI-RNTI时,所述确定模块具体用于:
    确定使用所述非回退DCI格式相关联的时域资源分配表;
    或者,确定使用回退DCI格式相关联的时域资源分配表。
  13. 根据权利要求12所述的装置,其中,所述确定使用所述非回退DCI格式相关联的时域资源分配表之后,所述装置还包括:
    传输模块,用于在确定使用所述非回退DCI格式相关联的时域资源分配表之后,利用以下至少一项,传输CG PUSCH或者承载SP-CSI的PUSCH:
    所述非回退DCI格式相关联的时域资源分配表中的预定义的PUSCH的时域传输资源;
    所述非回退DCI格式相关联的时域资源分配表中的第一行索引指示的PUSCH的时域传输资源;其中,所述第一行索引指示一个PUSCH的时域传输资源;
    所述非回退DCI格式相关联的时域资源分配表中的第二行索引指示的PUSCH的时域传输资源;其中,所述第二行索引指示多个PUSCH的时域传输资源,且所述多个PUSCH的传输长度相同。
  14. 根据权利要求13所述的装置,其中,所述预定义的PUSCH为以下任意一项:
    所述非回退DCI格式相关联的时域资源分配表指示的第一个PUSCH;
    所述非回退DCI格式相关联的时域资源分配表指示的第一个有效的PUSCH。
  15. 根据权利要求12所述的装置,其中,所述确定模块还用于执行以下 任意一项:
    当配置了回退DCI格式相关联的时域资源分配表,或者同时配置了所述非回退DCI格式相关联的时域资源分配表和回退DCI格式相关联的时域资源分配表时,确定使用回退DCI格式相关联的时域资源分配表;
    当配置了预设高层参数时,确定使用回退DCI格式相关联的时域资源分配表;其中,所述预设高层参数用于限制所述终端不支持非回退DCI格式相关联的时域资源分配表。
  16. 根据权利要求11所述的装置,其中,当所述第一DCI调度的传输是重传,且所述第一DCI的加扰标识为CS-RNTI时,所述确定模块具体用于:
    在所述终端支持重传一个之前传输失败的CG PUSCH的情况下,确定使用所述非回退DCI格式相关联的时域资源分配表,或者,确定使用回退DCI格式相关联的时域资源分配表。
  17. 根据权利要求16所述的装置,还包括:
    第一重传模块,用于在确定使用所述非回退DCI格式相关联的时域资源分配表之后,利用以下至少一项,重传所述一个之前传输失败的CG PUSCH:
    所述非回退DCI格式相关联的时域资源分配表中的预定义的PUSCH的时域传输资源;
    所述非回退DCI格式相关联的时域资源分配表中的第一行索引指示的PUSCH的时域传输资源;其中,所述第一行索引指示一个PUSCH的时域传输资源;
    所述非回退DCI格式相关联的时域资源分配表中的第二行索引指示的PUSCH的时域传输资源;其中,所述第二行索引指示多个PUSCH的时域传输资源,且所述多个PUSCH的传输长度相同。
  18. 根据权利要求11所述的装置,其中,当所述第一DCI调度的传输是重传,且所述第一DCI的加扰标识为CS-RNTI时,所述确定模块具体用于:
    在所述终端支持重传多个之前传输失败的CG PUSCH,且所述多个之前传输失败的CG PUSCH的HARQ进程的索引号是以1为步长连续递增或连续递减的情况下,确定使用所述非回退DCI格式相关联的时域资源分配表。
  19. 根据权利要求18所述的装置,还包括:
    第二重传模块,用于在确定使用所述非回退DCI格式相关联的时域资源分配表之后,利用所述非回退DCI格式相关联的时域资源分配表中的第三行索引指示的PUSCH的时域传输资源,重传所述多个之前传输失败的CG PUSCH;
    其中,所述第三行索引由所述第一DCI指示,所述第三行索引指示的PUSCH的时域传输资源的个数大于或等于所述多个之前传输失败的CG PUSCH的个数。
  20. 根据权利要求11所述的装置,其中,当所述第一DCI调度的传输是重传,且所述第一DCI的加扰标识为CS-RNTI时,所述确定模块具体用于:
    确定使用所述非回退DCI格式相关联的时域资源分配表;
    所述装置还包括:
    处理模块,用于根据所述第一DCI中包括的多个第一指示域,利用第一时域传输资源,重传第一CG PUSCH,并忽略第二CG PUSCH和所述第二CG PUSCH对应的第二时域传输资源;
    其中,每个所述第一指示域对应于一个CG PUSCH,所述第一CG PUSCH对应的第一指示域是预设值,所述第二CG PUSCH对应的第一指示域不是预设值;
    所述第一时域传输资源和所述第二时域传输资源为,所述非回退DCI格式相关联的时域资源分配表中的由所述第一DCI指示的第四行索引指示的PUSCH的时域传输资源中的资源。
  21. 一种终端,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至10中任一项所述的资源确定方法的步骤。
  22. 一种可读存储介质,其中,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1至10中任一项所述的资源确定方法的步骤。
  23. 一种芯片,包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求1至10中任一项所述的资源确定方法。
  24. 一种终端,所述终端被配置为用于执行如权利要求1至10中任一项所述的资源确定方法的步骤。
  25. 一种计算机程序产品,所述计算机程序产品被至少一个处理器执行时实行如权利要求1至10中任一项所述的资源确定方法的步骤。
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US20230148270A1 (en) 2023-05-11

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