Data transmission method, device, terminal, network side device and storage medium

Abstract

Embodiments of the present application provide a data transmission method, an apparatus, a terminal, a network side device, and a storage medium, the method including: obtaining configuration information for data transmission, where the configuration information carries associated configuration information of downlink signals and uplink transmission resources; selecting a target downlink signal, and determining a target uplink transmission resource based on the associated configuration information of the downlink signal and the uplink transmission resource; determining HARQ information and / or calculating a downlink path loss estimate corresponding to the target uplink transmission resource; and transmitting uplink data based on the HARQ information and / or the downlink path loss estimate.

Description

[Technical field]

[0001] (CROSS REFERENCE TO RELATED APPLICATIONS) This application claims priority to China Patent Application No. 202011141197.2, filed in China on October 22, 2020, the entire contents of which are incorporated herein by reference.

[0002] The present application relates to the field of communications technology, and specifically to a data transmission method, device, terminal, network side device, and storage medium. [Background technology]

[0003] The characteristic of efficient small data transmission is that for terminals (User Equipment, UE) in a non-connected state (e.g., IDLE and INACTIVE states), it avoids excessive signaling overhead caused by Radio Resource Control (RRC) state transitions and RRC connection establishment processes, and accomplishes the purpose of small data transmission with a very simple signaling process.

[0004] The feature of the small data transmission scheme is that all of the UE's current Data Radio Bearers (DRBs) are in a suspended state and are not released. Therefore, the UE can recover the DRBs before sending a Resume Request message and carry the small data using RRC signaling. At this time, data can be transmitted on the DRBs in the same way as a UE in a CONNECTED state. This avoids state transitions and achieves the goal of efficient small data transmission with relatively small signaling overhead.

[0005] In a scenario in which small data transmission is performed for an INACTIVE state UE, the network side needs to configure small data transmission resources for the UE based on a configured grant. Currently, there is no configuration resource for a New Radio (NR) UE and a related scheme for how to use the configuration resource to perform uplink data transmission, and the transmission efficiency of small data is low. Therefore, how to perform data transmission based on the configuration resource and improve the efficiency of small data transmission is an urgent problem to be solved. Summary of the Invention [Problem to be solved by the invention]

[0006] The embodiments of the present application provide a data transmission method, device, terminal, network side device, and storage medium that can solve the technical problem of low efficiency in small data transmission. [Means for solving the problem]

[0007] In order to solve the above technical problems, the present application is realized as follows.

[0008] According to a first aspect, an embodiment of the present application provides a data transmission method, the data transmission method comprising: The terminal obtains configuration information for data transmission, the configuration information carrying related configuration information of downlink signals and uplink transmission resources; A terminal selects a target downlink signal, and determines a target uplink transmission resource according to related configuration information of the downlink signal and an uplink transmission resource; The terminal determines hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource and / or calculates a downlink path loss estimate, and transmits uplink data based on the HARQ information and / or the downlink path loss estimate.

[0009] According to a second aspect, an embodiment of the present application provides a data transmission method, the data transmission method comprising: A network side device sends configuration information of data transmission to a terminal, the configuration information carrying related configuration information of a reference signal and an uplink transmission resource; The network side equipment receives uplink data transmitted by the terminal based on HARQ information and / or a path loss reference signal, and the HARQ information and / or the path loss reference signal are determined by the terminal based on the configuration information.

[0010] According to a third aspect, an embodiment of the present application provides a data transmission device, the data transmission device comprising: an acquiring module for acquiring configuration information of data transmission, the configuration information carrying related configuration information of downlink signals and uplink transmission resources; a determining module for selecting a target downlink signal and determining a target uplink transmission resource according to related configuration information of the downlink signal and an uplink transmission resource; and a first transmitting module for determining hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource and / or calculating a downlink path loss estimate, and transmitting uplink data based on the HARQ information and / or the downlink path loss estimate.

[0011] According to a fourth aspect, an embodiment of the present application provides a data transmission device, the data transmission device comprising: a second sending module for sending configuration information of data transmission to a terminal, the configuration information carrying reference signals and related configuration information of uplink transmission resources; and a receiving module for receiving uplink data transmitted by the terminal based on HARQ information and / or a path loss reference signal, the HARQ information and / or the path loss reference signal being determined by the terminal based on the configuration information.

[0012] According to a fifth aspect, an embodiment of the present application provides a terminal, the terminal comprising a processor, a memory, and a program or instructions stored in the memory and operable to run on the processor, the program or instructions being operable when executed by the processor to implement steps of the method according to the first aspect.

[0013] According to a sixth aspect, an embodiment of the present application provides a network side device, the network side device including a processor, a memory, and a program or instructions stored in the memory and operable to run on the processor, the program or instructions, when executed by the processor, realizing steps of the method according to the second aspect.

[0014] According to a seventh aspect, an embodiment of the present application provides a readable storage medium, on which a program or instructions are stored, the program or instructions, when executed by a processor, realizing steps of the method according to the first or second aspect.

[0015] According to an eighth aspect, an embodiment of the present application provides a chip, the chip including a processor and a communication interface, the communication interface coupled to the processor, the processor running a program or instructions and used to implement a method according to the first or second aspect.

[0016] According to a ninth aspect, there is provided a computer program product stored on a non-transitory storage medium, the computer program product realising a method according to the first or second aspect when executed by a processor. Effect of the Invention

[0017] In the data transmission method, device, terminal, network side equipment, and storage medium according to the embodiments of the present application, the configuration resources enable the UE to transmit uplink data based on the configuration resources on the network side, thereby improving the efficiency of small data transmission. [Brief description of the drawings]

[0018] [Figure 1] 1 is a schematic diagram of a wireless communication system to which an embodiment of the present application can be applied; [Diagram 2] 1 is a schematic diagram of a data transmission method according to an embodiment of the present application; [Diagram 3] A schematic diagram of the number sequence rules of uplink transmission occasions according to an embodiment of the present application. [Figure 4] FIG. 1 is a schematic diagram of an association between uplink transmission occasions and a first reference signal according to an embodiment of the present application; [Diagram 5] FIG. 2 is a second schematic diagram of the associated relationship between uplink transmission occasions and first reference signals according to an embodiment of the present application. [Figure 6] FIG. 2 is a second schematic diagram of a data transmission method according to an embodiment of the present application. [Figure 7] 1 is a schematic diagram of a data transmission device according to an embodiment of the present application; [Figure 8] FIG. 2 is a second schematic diagram of a data transmission device according to an embodiment of the present application. [Figure 9] FIG. 2 is a schematic diagram of the hardware structure of a terminal according to an embodiment of the present application; [Figure 10] FIG. 2 is a schematic diagram of the hardware structure of a network side device according to an embodiment of the present application; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0019] The following clearly and completely describes the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without any creative effort are within the scope of protection of the present application.

[0020] The terms "first," "second," etc. in the specification and claims of the present application are intended to distinguish between similar objects and are not intended to describe a particular order or sequence. It is to be understood that data so used are interchangeable where appropriate, such that the embodiments of the present application may be performed in an order other than that shown or described herein, and that the objects distinguished by "first" and "second" are generally of the same type and do not limit the number of objects, e.g., the first object may be one or more. Note that "and / or" in the specification and claims represents at least one of the objects connected, and the character " / " generally represents an "or" relationship between the related objects.

[0021] It should be noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be applied to other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application are always used interchangeably, and the techniques described may be used in the above-mentioned systems and radio technologies, or in other systems and radio technologies. However, although the following description describes a New Radio (NR) system for illustrative purposes and uses NR terminology in most of the following description, these techniques may be applied to applications other than NR system applications, such as 6th Generation (6G) communication systems.

[0022] FIG. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network side device 12. Here, the terminal 11 may be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a terminal side device such as a mobile phone, a tablet personal computer, a laptop computer (or called a notebook computer), a personal digital assistant (PDA), a palmtop computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile Internet device (MID), a wearable device (Wearable Device) or a vehicle-mounted device (VUE), a pedestrian terminal (PUE), etc., and the wearable device includes a bracelet, an earphone, glasses, etc. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network side device 12 may be a base station or a core network. Here, the base station may be referred to as an access point, a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a B node, an evolved B node (eNB), a home B node, a home evolved B node, a WLAN access point, a WiFi node, a transmitting receiving point (TRP), or any other suitable term in the art, and as long as the same technical effect is achieved, the base station is not limited to a specific technical term, and it should be explained that in the embodiments of this application, only base stations in an NR system are taken as examples, but the specific type of base station is not limited.

[0023] In the following, the data transmission method, device, terminal, network side device and storage medium according to the embodiments of the present application will be described in detail through specific embodiments and application scenarios thereof in conjunction with the drawings.

[0024] 2 is a schematic diagram of a data transmission method according to an embodiment of the present application, as shown in FIG. 2, the application embodiment provides a data transmission method, the execution body of which may be a terminal. The method includes the following steps:

[0025] In step 201, a terminal obtains configuration information for data transmission, where the configuration information carries related configuration information of downlink signals and uplink transmission resources.

[0026] In step 202, the terminal selects a target downlink signal, and determines a target uplink transmission resource according to associated configuration information of the downlink signal and uplink transmission resources.

[0027] In step 203, the terminal determines hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource and / or calculates a downlink path loss estimate, and transmits uplink data based on the HARQ information and / or the downlink path loss estimate.

[0028] Optionally, the method further includes receiving, by a terminal, downlink data based on the target downlink signal.

[0029] Optionally, the associated configuration information of the downlink signal and the uplink transmission resource is Related configuration information of downlink signals and uplink transmission occasions; A downlink signal identifier; First scrambling code identifier information of an uplink signal; second scrambling code identifier information of the uplink signal; Code division multiplexing group information of the uplink signal; and antenna port information of the uplink signal.

[0030] Optionally, the configuration information comprises: The number of uplink transmission occasions frequency division multiplexed at one time, time domain resource allocation information for uplink transmission occasions; frequency domain resource allocation information for uplink transmission occasions; Downlink signal configuration information; Time length information of the placement permission response timer; a measurement threshold for selecting a downlink signal; a first power ramping step parameter; a second power ramping step parameter; The maximum number of placement permission transmissions; The desired receiving power, uplink transmission occasion mask information; Placement permission cycle, Time length information of the placement permission timer; and the largest uplink skip count; The resource allocation information in the time domain of the uplink transmission occasion is The number of slots in each placement permission period, the number of uplink transmission occasions contained in each slot; and and a number of uplink transmission occasions in each configuration allowance period; The resource allocation information in the frequency domain of the uplink transmission occasion is Bandwidth information; and a starting position information in the frequency domain of the uplink transmission occasion.

[0031] Optionally, determining hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource further comprises: The total number of available HARQ processes, and a number corresponding to an available HARQ process; the total number of HARQ processes available within each placement grant period; and A number corresponding to an available HARQ process within each allocation permission period; and and a number corresponding to a HARQ process corresponding to the uplink transmission resource within each configuration permission period.

[0032] Optionally, the calculating of the downlink path loss estimate further comprises: The method includes calculating a downlink path loss estimate based on the target downlink signal.

[0033] Optionally, the method further comprises: When a data transmission process based on the configuration resource is not triggered on all uplink transmission occasions within one configuration permission period, adding 1 to a first counter for counting the number of data transmission skips; When the value of the first counter is equal to or greater than the largest uplink skip count, or the data transmission process based on the configuration resource is not triggered on all uplink transmission occasions in N consecutive configuration periods, the terminal behavior is: An act of terminating a data transmission process based on the configuration resource; Releasing uplink transmission resources; and and discarding the configuration information.

[0034] Optionally, the method further comprises: After the data transmission process based on the configuration resource is triggered, the terminal behavior is: A radio resource control (RRC) layer instructs a medium access control (MAC) layer to trigger a data transmission process based on the configuration resource; The MAC layer stores uplink transmission resources and corresponding HARQ information, and / or initializes or reinitializes uplink transmission resources after the RRC layer indicates that a data transmission process based on the configuration resource is triggered; If corresponding media access control protocol data units (MAC PDUs) are not generated on all uplink transmission occasions within one configuration period, the MAC layer sends an uplink skip indication to an upper layer; when the upper layer receives an uplink skip indication, incrementing a first counter by one; If the value of the first counter is equal to or greater than the maximum uplink skip count, the terminal action is: An act of terminating a data transmission process based on the configuration resource; the RRC layer instructing the MAC layer to terminate a data transmission process based on the configuration resource; clearing uplink transmission resources and / or corresponding HARQ information; Releasing uplink transmission resources; and and discarding the configuration information.

[0035] Optionally, the method further comprises: The method further includes setting power ramping step parameters based on a second power ramping step parameter configured by the network side device, a target access identity and / or a target access type provided by an upper layer, and first instruction information sent by the network side device, where the power ramping step parameters include a first power ramping step parameter and a second power ramping step parameter, and the first instruction information is used to instruct the terminal to use the second power ramping step parameter.

[0036] Optionally, the method further comprises: selecting a target downlink signal based on a measurement threshold for downlink signal selection; generating an uplink signal based on the selected target downlink signal and / or related configuration information of the downlink signal and the uplink signal; determining a most recently available uplink transmission occasion based on the selected target downlink signal; determining an uplink grant and corresponding HARQ information based on the selected uplink transmission occasion; and passing the uplink grant and corresponding HARQ information to a HARQ entity.

[0037] Optionally, the HARQ entity performs uplink skip according to a predefined rule and reports an uplink skip indication to the upper layer.

[0038] Alternatively, if one MAC PDU is obtained, it indicates that the data transmission is to be performed by the corresponding HARQ process.

[0039] Optionally, in the process of transmitting uplink data, incrementing a third counter by one based on the second counter, the indication of the pause power ramping counter, the listening before transmission LBT failure indication, the uplink skip indication, and the selected target downlink signal; determining a data transmission power based on the third counter, a power ramping step parameter, a downlink path loss estimate, and a desired received power.

[0040] Optionally, receiving the downlink data includes transmitting the downlink data in an uplink transmission occasion based on one MAC PDU, and then: starting or restarting a configuration authorization response timer; starting or restarting a placement permission timer; and monitoring a physical downlink control channel (PDCCH); The demodulation reference signal antenna port of the PDCCH and the target downlink signal have the same quasi-orthogonal property.

[0041] Optionally, during the running period of the configuration authorization response timer, the terminal action is: stopping the configuration authorization response timer and / or the configuration authorization timer when an indication is received confirming that the data transmission is correct; restarting the T319 timer upon receipt of an indication that the data transmission is correct; and setting a first counter value to zero when an indication is received confirming that the data transmission is correct; stopping a configuration permission response timer and / or restarting a configuration permission timer when receiving one PDCCH for scheduling uplink retransmission; Stopping a configuration permission response timer and / or a configuration permission timer when receiving one PDCCH for scheduling an uplink new transmission; reporting a hybrid automatic repeat request negative acknowledgement (HARQ-NACK) indication when a PDCCH for scheduling downlink transmission is received and a corresponding scheduled MAC PDU is not successfully decoded; When a PDCCH for scheduling downlink transmission is received and the corresponding scheduled MAC PDU is successfully decoded, the terminal performs the following actions: stopping the disposition authorization response timer and / or the disposition authorization timer; demultiplexing and / or demultiplexing the MAC PDUs; and reporting a hybrid automatic repeat request acknowledgement (HARQ-ACK) indication.

[0042] Optionally, after the configuration authorization response timer times out, the terminal action is: incrementing a second counter by one; If the value of the second counter is equal to the maximum number of configuration permission transmissions threshold plus one, the terminal action is: reporting a failure or backoff indication to a higher layer; An act of terminating a data transmission process based on the configuration resource; Releasing uplink transmission resources; and An act of discarding the placement information; and clearing the uplink transmission resources and corresponding HARQ information.

[0043] Specifically, the UE receives dedicated uplink resources (abbreviated as "uplink transmission resources") configured by the network side to transmit uplink data. In the embodiment of the present application, the first reference signal is a downlink signal, and the second reference signal is an uplink signal as an example.

[0044] For example, the network device side carries configuration information of a configured grant for an INACTIVE state UE in an RRC Release message, and this configuration information includes a Physical Uplink Shared Channel (PUSCH) resource dedicated to the INACTIVE UE transmitting uplink data.

[0045] Optionally, the PUSCH resource is 1. Uplink transmission occasions; 2. A second reference signal resource.

[0046] Optionally, the configuration information of the configuration permission may include at least one of the following:

[0047] 1. The number of uplink transmission occasions that are frequency division multiplexed (FDMed) at one time (e.g., 1, 2, 4, 8).

[0048] 2. Resource allocation information in the time domain for uplink transmission occasions.

[0049] Optionally, the time domain resource allocation information of an uplink transmission occasion may include at least one of the following:

[0050] (1) A slot allocation number and first uplink transmission occasion allocation number information, where the slot allocation number information indicates the number of slots in one CG periodicity, where the slot includes one or more uplink transmission occasions, and the first uplink transmission occasion allocation number information indicates the number of uplink transmission occasions in one slot.

[0051] (2) Second uplink transmission occasion allocation number information, which is used to indicate the number of uplink transmission occasions within one CG periodicity.

[0052] Optionally, the above-mentioned slots and / or uplink transmission occasions are contiguous in the time domain.

[0053] 3. Resource allocation information in the frequency domain for uplink transmission occasions.

[0054] Optionally, the frequency domain resource allocation information for an uplink transmission occasion may include at least one of the following:

[0055] (1) Bandwidth information.

[0056] For example, the number of physical radio resource blocks (PRBs) in each uplink transmission occasion.

[0057] (2) Starting position information in the frequency domain of an uplink transmission occasion.

[0058] For example, the offset between the lowest uplink transmission occasion in a frequency domain position and PRB 0, and for example, the frequency domain starting position of the lowest uplink transmission occasion in a frequency domain position is PRB 0 / RBG 0. RBG is a resource block group.

[0059] 4. Allocation information of the first reference signal.

[0060] The configuration information of the first reference signal indicates which first reference signal is applicable to a data transmission process (eg, a small data transmission process) based on the configuration resource.

[0061] For example, the network side indicates, via a bitmap, which synchronization signal block (SSB) in the serving cell is applicable for small data transmission.

[0062] Optionally, the first reference signal is a downlink path loss reference signal.

[0063] For example, the first reference signal is one of an SSB or a Channel State Information-Reference Signal (CSI-RS).

[0064] Alternatively, if the configuration information of the first reference signal is not configured, the UE considers that any transmitted first reference signal (e.g., SSB) indicated in the system message is applicable to the data transmission process based on the configuration resource.

[0065] 5. Related configuration information of a first reference signal and an uplink transmission occasion.

[0066] The association configuration information of the first reference signal and the uplink transmission occasion indicates that either of the first reference signals is associated with one uplink transmission occasion (e.g., 1 / 8 indicates that one SSB is mapped to eight uplink transmission occasions, and 8 indicates that eight SSBs are mapped to one uplink transmission occasion, whereby the SSBs and the uplink transmission occasions have an association relationship).

[0067] 6. Related configuration information of the first reference signal and the second reference signal.

[0068] Optionally, the relative configuration information of the first reference signal and the second reference signal may include at least one of the following:

[0069] (1) An identifier or index value of a first reference signal (e.g., SSB-index).

[0070] (2) First scrambling code identifier information of a second reference signal (eg, ScramblingID0=0), where the first scrambling code identifier information is used to initialize the scrambling code of the first reference signal.

[0071] (3) Second scrambling code identifier information of a second reference signal (eg, ScramblingID1=1), where the second scrambling code identifier information is used to initialize the scrambling code of the second reference signal.

[0072] (4) Code division multiplexing group (CDM group) information of the second reference signal (eg, λ=0).

[0073] (5) Antenna port information of a second reference signal (eg, demodulation reference signal port index value (DMRS port index)).

[0074] For example, if the SSB-index in the associated configuration information of the first reference signal and the second reference signal is 1, ScramblingID0=0, ScramblingID1=1, λ=0, and DMRS port index=0, this indicates that there is an associated relationship between SSB1 and the DMRS signal configured based on ScramblingID0=0, ScramblingID1=1, λ=0, and DMRS port index=0. Also, if the SSB-index in the associated configuration information of the first reference signal and the second reference signal is 2, ScramblingID0=11, ScramblingID1=20, and λ=0, this indicates that there is an associated relationship between SSB2 and the DMRS signal configured based on ScramblingID0=11, ScramblingID1=20, and λ=0, and these will not be listed one by one here.

[0075] Alternatively, the first reference signal may be at least one of an SSB or a CSI-RS, and the second reference signal may be an uplink Demodulation Reference Signal (DMRS).

[0076] Optionally, the related configuration information of the first reference signal and the second reference signal includes one or more related relationship information of the first reference signal and the second reference signal, and the configuration information may be a list, where each element in the list indicates related information of one first reference signal and one second reference signal.

[0077] 7. Time length information of the configuration permission response timer (CG response timer).

[0078] 8. A measurement threshold for selection of the first reference signal (one threshold magnitude, e.g., rsrp-ThresholdSSB).

[0079] 9. The first (low priority) power ramping step parameter.

[0080] 10. The second (high priority) power ramping step parameter.

[0081] 11. Maximum number of CG transmissions (size of one threshold).

[0082] 12. Desired received power.

[0083] 13. Uplink transmission occasion mask information: The uplink transmission occasion mask information is used to explicitly indicate uplink transmission occasions applicable to a data transmission process based on the configuration resource.

[0084] 14.CG cycle.

[0085] 15. The time length information of the placement permission timer (CG timer).

[0086] 16. The largest number of uplink skips (the size of one threshold).

[0087] Depending on the network side or protocol, one of the following rules is predefined.

[0088] 1. Numbering procedure rules for uplink transmission occasions.

[0089] The number sequence rules for uplink transmission occasions are as follows: (1) First, the number of FDMed uplink transmission occasions increases in the frequency domain; (2) thereafter, increasing sequentially within one slot based on the number of TDMed uplink transmission occasions allocated; (3) thereafter increasing in sequence based on the number of TDMed uplink transmission occasions allocated; and (4) Finally, the number of slots allocated may be increased in order.

[0090] 3 is a schematic diagram of an uplink transmission occasion numbering procedure rule according to an embodiment of the present application. In the configuration, the number of uplink transmission occasions frequency division multiplexed at one time is 2, the number of uplink transmission occasions allocated is 2, and the number of slots allocated is 2. The number of uplink transmission occasions in one slot is as shown in FIG.

[0091] 2. Association between a first reference signal and an uplink transmission occasion.

[0092] For example, the UE first verifies whether all configured uplink transmission occasions are effective, and for each CG configuration, determines the number of mapping rounds (mapping cycle) according to all effective uplink transmission occasions and the number of configured SSBs in one CG period, and performs mapping between SSBs and uplink transmission occasions. If the network configures SSB1 / 2 / 3 / 4, and uplink transmission occasions #1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 are all effective in one CG period, then performs two rounds of mapping (i.e., floor(8 / 4)=2), and finally associates SSB1 with uplink transmission occasions #1 and 5, and associates SSB2 with uplink transmission occasions #2 and 6, and so on.

[0093] 3. Hybrid Automatic Repeat Request (HARQ) process information for new transmission.

[0094] (1) HARQ process information available to the UE that is predefined by a protocol or configured by the network device side.

[0095] For example, for one CG configuration, for any one uplink transmission occasion within one CG period, the corresponding HARQ process is predefined by the protocol or configured by the network side to 0. Similarly, for any one uplink transmission occasion within a subsequent CG period, the corresponding HARQ process is predefined by the protocol or configured by the network side to 0.

[0096] (2) HARQ process information available to the UE that is predefined by the protocol or configured by the network side.

[0097] For example, for one CG configuration, in a first period, the corresponding HARQ process for any one uplink transmission occasion is set to 0, and in a second period, the HARQ process available to the UE for any one CG is set to 1, and so on. Alternatively, it is understood that the HARQ process corresponding to any one uplink transmission occasion in one CG period is the HARQ process corresponding to the uplink transmission occasion with the smallest number. Here, how to determine the HARQ process corresponding to the uplink transmission occasion with the smallest number is not limited here.

[0098] 4. The relationship between the first reference signal and the path loss reference signal.

[0099] When performing data transmission based on configuration resources, a pathloss reference signal (pathloss RS) corresponding to the PUSCH is selected by the UE itself.

[0100] Optionally, the PUSCH pathloss RS is a first reference signal associated with the current PUSCH transmission in a currently activated downlink bandwidth portion (DL BWP) (eg, an initial DL BWP) of the current serving cell.

[0101] For example, the network configures SSB1 / 2 / 3 / 4, and the UE triggers a data transmission process based on the configuration resources, the UE selects SSB2 based on a measured quality threshold for selecting a first reference signal (i.e., SSB2 is a target downlink signal), and performs a PUSCH transmission based on an uplink transmission occasion associated with SSB2 and a second reference signal, and the UE takes SSB2 as the pathloss RS of the PUSCH, thereby calculating a downlink pathloss estimation by using SSB2.

[0102] Optionally, before using the uplink transmission resource for data transmission, the method includes the steps of:

[0103] Step 0: If the data transmission process based on the configuration resource is not triggered on all uplink transmission occasions within one CG period, perform the following steps:

[0104] Optionally, the first counter is incremented by one.

[0105] This first counter is used to count the number of data transmission skips, and the value of the first counter is greater than or equal to the largest number of uplink skips, i.e., if the value of the first counter is greater than or equal to the largest number of uplink skips, the data transmission process based on the configuration resources is terminated (ended), the uplink transmission resources are released, and the configuration information is discarded.

[0106] Alternatively, if the data transmission process based on the configuration resource is not triggered on all uplink transmission occasions within N consecutive CG periods, the data transmission process based on the configuration resource is terminated, the uplink transmission resource is released, and the configuration information is discarded, and the threshold size N may be configured by the network side equipment (NW) or agreed upon by a protocol or predefined.

[0107] Alternatively, this process may be performed per CG periodicity in each CG configuration.

[0108] For example, if the network side configures two CG configurations, the UE needs to perform the above process for each CG period corresponding to CG configuration 1 / 2.

[0109] Step 1: After a data transmission process based on configuration resources is triggered, perform at least one of the following:

[0110] 1. The RRC layer instructs the MAC layer that a data transmission process based on the configuration resource is triggered.

[0111] 2. The MAC layer stores the dedicated uplink resources and corresponding HARQ information after the RRC layer indicates that a data transmission process based on the configuration resource is triggered.

[0112] Alternatively, the uplink resource may be understood as an uplink grant UL grant, or a configuration grant CG.

[0113] 3. The MAC layer initializes / reinitializes the dedicated uplink resources.

[0114] 4. If no corresponding MAC PDUs are generated on all uplink transmission occasions within one CG period (this may be understood as no PUSCH transmission being performed), the MAC layer sends an uplink skip instruction to the upper layer (RRC layer), and the upper layer increments a first counter by 1 (this first counter is used to keep track of the number of data transmission skips).

[0115] If the value of the first counter is equal to or greater than the largest number of uplink skips, that is, if the value of the first counter is equal to or greater than the largest number of uplink skips, the terminal action is: (1) completing a data transmission process based on configuration resources; (2) the RRC layer instructs the MAC layer to terminate a data transmission process based on the configuration resource; (3) the MAC layer clears the dedicated uplink resources and corresponding HARQ information stored in step 1; and (4) the RRC layer discarding all stored configuration information of step 0.

[0116] Step 2: The UE performs initialization before transmitting uplink data through the dedicated uplink resource.

[0117] If the network side configures a high-priority power ramping step parameter, and the upper layer provides access ID 1 or 2, and the network side instructs the UE to use the high-priority power ramping step parameter, the UE sets the high-priority power ramping step parameter.

[0118] Otherwise, the UE sets the low priority power ramping step parameter.

[0119] Optionally, this process is performed in a per CG configuration.

[0120] For example, if the network side configures two CG configurations, the UE needs to perform the above process for CG configuration 1 / 2.

[0121] Step 3: The UE performs transmission resource selection before transmitting uplink data through the dedicated uplink resource.

[0122] 1. Based on the measurement threshold for selecting a first reference signal, the UE first selects a first reference signal to be used for a data transmission process based on the configuration resource.

[0123] For example, if the network side configures SSB1 / 2 / 3 / 4, the first reference signal is selected based on the magnitude of the quality threshold configured by the network side (e.g., the threshold is -80 dBm). If it is assumed that only the L1-RSRP of SSB3 (e.g., -70 dBm) is higher than the threshold based on the L1-RSRP of SSB1 / 2 / 3 / 4 most recently measured by the UE, the UE selects SSB3.

[0124] 2. Generating a second reference signal based on the selected first reference signal and / or associated configuration information of the first reference signal and the second reference signal.

[0125] For example, in the related configuration information of the first reference signal and the second reference signal, the SSB-index is configured to be 2, and the first reference signal selected based on ScramblingID0=11, ScramblingID1=20, and λ=0 is SSB2, then the second reference signal (DMRS) is configured based on ScramblingID0=11, ScramblingID1=20, and λ=0.

[0126] 3. Determine one most recently available uplink transmission occasion based on the selected first reference signal (the uplink transmission occasion has an associated relationship with the selected first reference signal).

[0127] 4. Optionally, the UE randomly and with equal probability selects one from consecutive uplink transmission occasions associated with the selected first reference signal.

[0128] For example, FIG. 4 is a schematic diagram of the association relationship between uplink transmission occasions and the first reference signal according to an embodiment of the present application. As shown in FIG. 4, if the network side configures SSB1 / 2, the first reference signal is selected based on the quality threshold value (for example, the threshold value is -80 dBm) configured by the network side. If the UE determines that only the L1-RSRP (for example, -70 dBm) of SSB2 is higher than the threshold value based on the L1-RSRP of SSB1 / 2 measured most recently by the UE, the UE selects SSB2, and randomly and equally selects one (for example, #3) from the two uplink transmission occasions (#3 / 4) associated with SSB2. It can be understood that the uplink transmission occasion (#3 / 4) corresponds to the most recently available uplink transmission occasion of SSB2.

[0129] Optionally, a most recently available uplink transmission occasion may be determined based on the selected first reference signal and uplink transmission occasion mask information.

[0130] For example, FIG. 5 is a second schematic diagram of the association between uplink transmission occasions and the first reference signal according to an embodiment of the present application. As shown in FIG. 5, if the network side configures SSB1 / 2, the first reference signal is selected based on the magnitude of the quality threshold configured by the network side (for example, the threshold magnitude is −80 dBm). Assuming that, based on the L1-RSRP of SSB1 / 2 most recently measured by the UE, only the L1-RSRP of SSB2 (e.g., -70 dBm) is higher than a threshold magnitude, the UE selects SSB2 and the value indicated in the uplink transmission occasion mask information is 1 (e.g., 1 indicates the first uplink transmission occasion associated with the selected SSB used by the UE), and the UE selects the most recently available SSB2#0 and, for example, the value indicated in the uplink transmission occasion mask information is 0 (e.g., 0 indicates that both uplink transmission occasions associated with the selected SSB used by the UE are available), the UE randomly and with equal probability selects one (e.g., #0) from the two most recently available uplink transmission occasions associated with SSB2 (SSB2#0 / 1). Finally, the UE realizes transmitting a PUSCH on the selected uplink transmission occasion (e.g., #0) based on the selected SSB (e.g., SSB2), and the uplink DMRS of the PUSCH generates a second reference signal (uplink DMRS configured based on ScramblingID0=11, ScramblingID1=20, λ=0) based on the selected SSB.

[0131] 5. Based on the selected uplink transmission occasion, determine the uplink grant (UL grant) and corresponding HARQ information, such as HARQ process ID, new data indicator bit (NDI bit), and Transport Block Size (TBS).

[0132] 6. Pass the UL grant and corresponding HARQ information to the HARQ entity.

[0133] Alternatively, the UL grant and the corresponding HARQ information are passed to the HARQ entity only when the CG response timer and / or the CG timer corresponding to the HARQ process ID corresponding to the UL grant is not running (it may be understood that during the operation of the CG response timer, the corresponding HARQ process cannot be applied to new transmission or retransmission).

[0134] Alternatively, the UL grant and the corresponding NDI bit are toggled only when the CG timer corresponding to the HARQ process ID corresponding to the UL grant is not running (it may be understood that the corresponding HARQ process cannot be applied to new transmissions while the CG timer is running).

[0135] 7. Optionally, the HARQ entity performs uplink skipping (UL skipping) according to a predefined rule, generates a MAC PDU, and reports an uplink skip indication to the RRC layer.

[0136] 8. Optionally, this process may be performed per CG configuration per CG cycle.

[0137] For example, if the network side configures two CG configurations, the UE needs to perform the above process for each CG period corresponding to CG configuration 1 / 2.

[0138] Step 4.1: If one MAC PDU is obtained, instruct the corresponding HARQ process to transmit data.

[0139] Step 4.2: When the UE transmits uplink data through the dedicated uplink resource, 1. Increment a third counter by one based on a second counter, a suspending power ramping counter indication, a listen before talk (LBT) failure indication, an uplink skip indication, and the first reference signal selected for this transmission.

[0140] For example, if the value of the second counter is greater than 1, and no suspending power ramping counter instruction has been received from the physical layer, and no LBT failure instruction has been received from the physical layer, and no uplink skip instruction has been generated in the MAC layer, and the first reference signal selected in the current transmission has not changed (it is understood that the first reference signal selected in the current transmission is the same as the first reference signal selected in the previous transmission), then the third counter is incremented by 1. This third counter is used to calculate the sum of accumulated power ramping.

[0141] 2. The MAC layer indicates the total sum of the accumulated power ramping (eg, (the value of the third counter-1)*the set power ramping step parameter) and the desired reception power to the physical layer.

[0142] 3. The physical layer can determine the uplink transmit power for data transmission based on the accumulated power ramping sum, the downlink path loss estimate, and the desired received power.

[0143] 4. Optionally, this process is performed per CG configuration per CG cycle.

[0144] For example, if the network side configures two CG configurations, the UE needs to perform the above process for each CG period corresponding to CG configuration 1 / 2.

[0145] Step 5: The UE receives a response after transmitting uplink data through the dedicated uplink resource.

[0146] 1. After one MAC PDU is transmitted on an uplink transmission occasion (e.g., a PUSCH corresponding to a configuration grant (CG-PUSCH)), regardless of whether there is a potential measurement gap, the UE starts a CG response timer on the first PDCCH occasion after the CG-PUSCH, and during the running period of this timer, the UE monitors a PDCCH scrambled with a certain RNTI.

[0147] Optionally, the UE starts a CG timer (whose start time coincides with the CG response timer).

[0148] 2. The UE assumes that the first reference signal selected in step 3 (which can be understood as the first reference signal associated with the transmitted CG-PUSCH) and the DM-RS antenna port (which can be understood as the DMRS of the PDCCH) have the same quasi-orthogonal co-location properties.

[0149] 3. Optionally, a CG response timer is maintained per HARQ process.

[0150] 4. Optionally, this process is performed per CG configuration per CG period. For example, if the network side configures two CG configurations, the UE performs the above process for each CG period corresponding to CG configuration 1 / 2.

[0151] Optionally, during the operation of the CG response timer, 1. When the UE receives an indication to confirm that data transmission is valid, it stops the CG response timer (corresponding to the HARQ process) and / or the CG timer. Optionally, this indication to confirm that data transmission is valid may be carried on the PDCCH. Optionally, this indication to confirm that data transmission is valid may be carried per HARQ process, and optionally, one PDCCH may carry an indication to confirm that data transmission is valid for one or more HARQ processes.

[0152] 2. Optionally, if the UE receives an indication that confirms the data transmission is correct, restart the T319 timer.

[0153] 3. Optionally, if the UE receives an indication confirming that the data transmission is correct, set a first counter value to 0.

[0154] 4. When the UE receives a PDCCH for scheduling an uplink retransmission, it stops the CG response timer (corresponding to the HARQ process) and / or restarts the CG timer (corresponding to the HARQ process).

[0155] After the retransmission is based on the contents of the PDCCH and the retransmission PUSCH is transmitted, the UE starts the CG response timer at the first PDCCH occasion after the PUSCH, regardless of whether there is a potential measurement gap, and starts / restarts the CG timer.

[0156] 5. When the UE receives a PDCCH for scheduling a new uplink transmission, it stops the CG response timer (corresponding to the HARQ process) and / or the CG timer (corresponding to the HARQ process).

[0157] After a new transmission is performed based on the contents of the PDCCH and the PUSCH for the new transmission is transmitted, the UE starts the CG response timer at the first PDCCH occasion after the PUSCH, regardless of whether there is a potential measurement gap, and starts / restarts the CG timer.

[0158] 6. When the UE receives a PDCCH for scheduling downlink transmission and the corresponding scheduled PDSCH is successfully decoded, stop the CG response timer (corresponding to the HARQ process) and / or stop the CG timer (corresponding to the HARQ process).

[0159] Then, the UE disassembles and demultiplexes the MAC PDU, and reports a HARQ-ACK indication based on the UCI resource indication information of the PDCCH.

[0160] Optionally, response indication information is carried on the PDCCH, and the response indication information indicates which uplink HARQ process this downlink scheduling responds to (for example, response indication information is carried on the PDCCH, and indicates that this downlink scheduling is an uplink HARQ process with ID 0).

[0161] 7. If the UE receives one PDCCH for scheduling downlink transmission but the corresponding scheduled PDSCH is not successfully decoded, the UE reports a HARQ-NACK indication based on the UCI resource indication information of the PDCCH.

[0162] Optionally, response indication information is carried on the PDCCH, and the response indication information indicates which uplink HARQ process this downlink scheduling responds to (for example, response indication information is carried on the PDCCH, and indicates that this downlink scheduling is an uplink HARQ process with ID 0).

[0163] 8. The UE assumes that the first reference signal selected in the most recent step 3 (which can be understood as the first reference signal associated with the transmitted CG-PUSCH) and the DM-RS antenna port (which can be understood as the DMRS of the PDCCH) have the same quasi-orthogonal co-location properties.

[0164] Optionally, after the CG response timer times out, 1. After this CG response timer times out, add 1 to a second counter. 2. The value of the second counter=the maximum number of CG transmissions threshold+1, that is, the value of the second counter is greater than the maximum number of configuration permission transmissions threshold; (1) reporting a single failure / backoff indication to higher layers (RRC); and (2) completing a data transmission process based on the configuration resource; and (3) the MAC layer clears the stored dedicated uplink resources and corresponding HARQ information as described in step 1; and (4) the RRC layer performs at least one of the steps described in step 0: clearing all stored resources and information; If not, execute the resource selection process in step 3.

[0165] 3. Optionally, the CG transmission counter is maintained per HARQ process, and the maximum / minimum value of the values ​​of the second counter corresponding to all HARQ processes is equal to the maximum number of CG transmissions threshold+1, i.e., if the maximum or minimum value of the values ​​of the second counter corresponding to all HARQ processes is greater than the maximum number of configuration permission transmissions threshold; (1) reporting a single failure / backoff indication to higher layers (RRC); and (2) completing a data transmission process based on the configuration resource; and (3) the MAC layer clears the stored dedicated uplink resources and corresponding HARQ information as described in step 1; and (4) The RRC layer performs at least one of the steps described in step 0: clearing all stored resources and information; If not, execute the resource selection process in step 3.

[0166] 4. The UE assumes that the first reference signal selected in the most recent step 3 (which can be understood as the first reference signal associated with the transmitted CG-PUSCH) and the DM-RS antenna port (which can be understood as the DMRS of the PDCCH) have the same quasi-orthogonal co-location properties.

[0167] The method in the above embodiment will be described below by taking as an example data transmission based on configuration resources in which only one CG is configured and which adopts the first HARQ process rule.

[0168] Step A (time T0): The UE receives dedicated uplink resources through an RRC Release message, and one CG configuration is configured in the dedicated uplink resources.

[0169] Step B (T0-T1 time period): After receiving the above configuration, the UE (e.g., the RRC layer) adds 1 to a first counter within each CG period if a data transmission process based on the configuration resource has not been triggered on all (effective) uplink transmission occasions within this CG period.

[0170] Step C (time T1): The UE (e.g., the RRC layer) triggers a data transmission process based on the configuration resource, and at this time, the RRC layer instructs the MAC layer that a data transmission process based on the configuration resource is triggered, and the MAC layer stores the dedicated uplink resource and corresponding HARQ information, and initializes the dedicated uplink resource.

[0171] Step D (time T2): Based on step 2, the power ramping step parameter is set.

[0172] Step E (time T3): At each CG period, perform resource selection based on step 3 (select an SSB, determine a DMRS associated with the selected SSB, determine an uplink transmission, and determine a UL grant and corresponding HARQ information based on the uplink transmission occasion).

[0173] Step F (time T4): Uplink data is transmitted based on steps 4-1 and 4-2.

[0174] Step G (time T5): Start the CG response timer and monitor the PDCCH based on step 5. The UE assumes that the antenna port of the PDCCH and the SSB selected in step E have the same quasi-orthogonal property.

[0175] Step H-1 (time T6): During the running period of the CG response timer, the UE receives an indication that the data transmission is correct, stops the CG response timer, restarts the T319 timer, and sets the (RRC layer) first counter value to 0.

[0176] Step H-2 (time T6): During the operation period of the CG response timer, the UE receives a PDCCH for scheduling downlink transmission and successfully decodes the corresponding scheduled PDSCH, stops the CG response timer, and reports a HARQ-ACK indication.

[0177] Step H-1 (time T6): During the running period of the CG response timer, the UE receives an indication that the data transmission is correct, stops the CG response timer, restarts the T319 timer, and sets the (RRC layer) first counter value to 0.

[0178] Step H-3 (time T6): During the operation period of the CG response timer, the UE receives a PDCCH for scheduling downlink transmission, and the corresponding scheduled PDSCH is successfully decoded, and an indication is carried on the PDCCH to confirm that the data transmission is correct, so the UE stops the CG response timer, reports a HARQ-ACK indication, and restarts the T319 timer.

[0179] Step I (time T7): The UE performs a resource selection process within the most recently available CG period, and executes steps E->F->G->H->I, so as to realize the transmission of new data.

[0180] The data transmission method according to the embodiment of the present application includes a configuration resource method, a method for associating a downlink first reference signal with a configuration resource, a configuration resource selection method, and a data transmission / response reception method based on the configuration resource, so that the UE can transmit uplink data based on the configuration resource on the network side, and improve the efficiency of small data transmission.

[0181] FIG. 6 is a second schematic diagram of a data transmission method according to an embodiment of the present application. As shown in FIG. 6, an embodiment of the present application provides a data transmission method, the execution body of which may be a network side device, and the method includes the following steps:

[0182] In step 601, a network side device sends configuration information of data transmission to a terminal, where the configuration information carries related configuration information of a reference signal and an uplink transmission resource.

[0183] In step 602, the network side device receives uplink data transmitted by the terminal based on HARQ information and / or a path loss reference signal, where the HARQ information and / or the path loss reference signal are determined by the terminal based on the configuration information.

[0184] Optionally, the method further comprises: The method further includes transmitting downlink data to the terminal based on the target downlink signal selected by the terminal.

[0185] Optionally, the step of transmitting the downlink data further comprises: transmitting a PDCCH after transmitting in an uplink transmission occasion based on one MAC PDU; The demodulation reference signal antenna port of the PDCCH and the target downlink signal have the same quasi-orthogonal property.

[0186] Specifically, the data transmission method according to the embodiments of the present application is the same as the method described in the corresponding embodiments above, and can achieve the same technical effects, with the only difference being that the implementation body is different, and the same parts and beneficial effects of the present embodiment as those of the corresponding embodiments above will not be specifically described again here.

[0187] It should be noted that the execution body of the data transmission method according to the embodiment of the present application can be a data transmission device or a control module for executing the data transmission method in the data transmission device. In the embodiment of the present application, the data transmission device according to the embodiment of the present application is described by taking the method of the data transmission device performing data transmission as an example.

[0188] FIG. 7 is a schematic diagram of a data transmission device according to an embodiment of the present application. As shown in FIG. 7, the embodiment of the present application provides a data transmission device, including: an acquisition module 701, a determination module 702 and a first sending module 703; The obtaining module 701 is used for obtaining configuration information of data transmission, the configuration information carrying related configuration information of downlink signals and uplink transmission resources; the determining module 702 is used for selecting a target downlink signal and determining a target uplink transmission resource based on the related configuration information of the downlink signal and uplink transmission resources; the first sending module 703 is used for determining hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource and / or calculating a downlink path loss estimation, and transmitting uplink data based on the HARQ information and / or the downlink path loss estimation.

[0189] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0190] Optionally, the device further includes a receiving module for receiving downlink data based on the target downlink signal.

[0191] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0192] Optionally, the associated configuration information of the downlink signal and the uplink transmission resource is Related configuration information of downlink signals and uplink transmission occasions; A downlink signal identifier; First scrambling code identifier information of an uplink signal; second scrambling code identifier information of the uplink signal; Code division multiplexing group information of the uplink signal; and antenna port information of the uplink signal.

[0193] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0194] Optionally, the configuration information comprises: The number of uplink transmission occasions frequency division multiplexed at one time, time domain resource allocation information for uplink transmission occasions; frequency domain resource allocation information for uplink transmission occasions; Downlink signal configuration information; Time length information of the placement permission response timer; a measurement threshold for selecting a downlink signal; a first power ramping step parameter; a second power ramping step parameter; the maximum number of placement permission transmissions; The desired receiving power, uplink transmission occasion mask information; Placement permission cycle, Time length information of the placement permission timer; and the largest uplink skip count; The resource allocation information in the time domain of the uplink transmission occasion is The number of slots in each placement permission period, the number of uplink transmission occasions contained in each slot; and and a number of uplink transmission occasions in each configuration allowance period; The resource allocation information in the frequency domain of the uplink transmission occasion is Bandwidth information; and a starting position information in the frequency domain of the uplink transmission occasion.

[0195] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0196] Optionally, determining hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource further comprises: The total number of available HARQ processes, and a number corresponding to an available HARQ process; the total number of HARQ processes available within each placement grant period; and A number corresponding to an available HARQ process within each allocation permission period; and and a number corresponding to a HARQ process corresponding to the uplink transmission resource within each configuration permission period.

[0197] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0198] Optionally, the calculating of the downlink path loss estimate further comprises: The method includes calculating a downlink path loss estimate based on the target downlink signal.

[0199] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0200] Optionally, the data transmission device comprises: When a data transmission process based on the configuration resource is not triggered on all uplink transmission occasions within one configuration permission period, adding 1 to a first counter for counting the number of data transmission skips; When the value of the first counter is equal to or greater than the largest uplink skip count, or the data transmission process based on the configuration resource is not triggered on all uplink transmission occasions in N consecutive configuration periods, the terminal behavior is: An act of terminating a data transmission process based on the configuration resource; Releasing uplink transmission resources; and and discarding the configuration information.

[0201] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0202] Optionally, the data transmission device further performs the following: After the data transmission process based on the configuration resource is triggered, the terminal behavior is: The RRC layer instructs the MAC layer that a data transmission process based on the configuration resource is triggered; The MAC layer stores uplink transmission resources and corresponding HARQ information, and / or initializes or reinitializes uplink transmission resources after the RRC layer indicates that a data transmission process based on the configuration resource is triggered; If corresponding MAC PDUs are not generated on all uplink transmission occasions within one configuration period, the MAC layer sends an uplink skip indication to an upper layer; when the upper layer receives an uplink skip indication, incrementing a first counter by one; When the value of the first counter is equal to or greater than the maximum uplink skip count, the terminal action is: An act of terminating a data transmission process based on the configuration resource; the RRC layer instructing the MAC layer to terminate a data transmission process based on the configuration resource; clearing uplink transmission resources and / or corresponding HARQ information; Releasing uplink transmission resources; and and discarding the configuration information.

[0203] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0204] Optionally, the data transmission device comprises: The method further performs setting power ramping step parameters based on a second power ramping step parameter configured by the network side device, a target access identity and / or a target access type provided by an upper layer, and first instruction information sent by the network side device, where the power ramping step parameters include a first power ramping step parameter and a second power ramping step parameter, and the first instruction information is used to instruct the terminal to use the second power ramping step parameter.

[0205] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0206] Optionally, the data transmission device comprises: selecting a target downlink signal based on a measurement threshold for downlink signal selection; generating an uplink signal based on the selected target downlink signal and / or related configuration information of the downlink signal and the uplink signal; determining a most recently available uplink transmission occasion based on the selected target downlink signal; determining an uplink grant and corresponding HARQ information based on the selected uplink transmission occasion; and passing the uplink grant and corresponding HARQ information to a HARQ entity.

[0207] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0208] Optionally, the HARQ entity performs uplink skip according to a predefined rule and reports an uplink skip indication to the upper layer.

[0209] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0210] Alternatively, if one MAC PDU is obtained, it indicates that the data transmission is to be performed by the corresponding HARQ process.

[0211] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0212] Optionally, in the process of transmitting uplink data, the data transmission device: incrementing a third counter by one based on the second counter, the indication of the pause power ramping counter, the listening before transmission LBT failure indication, the uplink skip indication, and the selected target downlink signal; and determining a data transmission power based on the third counter, a power ramping step parameter, a downlink path loss estimate, and a desired received power.

[0213] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0214] Optionally, receiving the downlink data includes transmitting the downlink data in an uplink transmission occasion based on one MAC PDU, and then: starting or restarting a configuration authorization response timer; starting or restarting a placement permission timer; and monitoring a PDCCH; The demodulation reference signal antenna port of the PDCCH and the target downlink signal have the same quasi-orthogonal property.

[0215] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0216] Optionally, during the running period of the configuration authorization response timer, the terminal action is: stopping the configuration authorization response timer and / or the configuration authorization timer when an indication is received confirming that the data transmission is correct; restarting the T319 timer upon receipt of an indication that the data transmission is correct; and setting a first counter value to zero when an indication is received confirming that the data transmission is correct; stopping a configuration permission response timer and / or restarting a configuration permission timer when receiving one PDCCH for scheduling uplink retransmission; Stopping a configuration permission response timer and / or a configuration permission timer when receiving one PDCCH for scheduling an uplink new transmission; receiving a PDCCH for scheduling a downlink transmission and reporting a HARQ-NACK indication when a corresponding scheduled MAC PDU is not successfully decoded; When a PDCCH for scheduling downlink transmission is received and the corresponding scheduled MAC PDU is successfully decoded, the terminal performs the following actions: stopping the disposition authorization response timer and / or the disposition authorization timer; demultiplexing and / or demultiplexing the MAC PDUs; and reporting a HARQ-ACK indication.

[0217] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0218] Optionally, after the configuration authorization response timer times out, the terminal action is: incrementing a second counter by one; If the value of the second counter is equal to the maximum number of configuration permission transmissions threshold plus one, the terminal action is: reporting a failure or backoff indication to a higher layer; An act of terminating a data transmission process based on the configuration resource; Releasing uplink transmission resources; and An act of discarding the placement information; and clearing the uplink transmission resources and corresponding HARQ information.

[0219] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0220] FIG. 8 is a second schematic diagram of a data transmission device according to an embodiment of the present application. As shown in FIG. 8, the embodiment of the present application provides a data transmission device including a second transmitting module 801 and a receiving module 802, where: The second transmitting module 801 is used for transmitting configuration information of data transmission to the terminal, where the configuration information carries related configuration information of a reference signal and an uplink transmission resource; the receiving module 802 is used for receiving uplink data transmitted by the terminal based on HARQ information and / or a path loss reference signal, where the HARQ information and / or the path loss reference signal are determined by the terminal based on the configuration information.

[0221] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0222] Optionally, the device further includes a third transmitting module for transmitting downlink data to the terminal based on the target downlink signal selected by the terminal.

[0223] Specifically, the above-mentioned data transmission device according to the embodiment of the present application can realize all the method steps realized in the above-mentioned method embodiment and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiment will not be specifically described again here.

[0224] Optionally, the step of transmitting the downlink data further comprises: transmitting a PDCCH after transmitting in an uplink transmission occasion based on one MAC PDU; The demodulation reference signal antenna port of the PDCCH and the target downlink signal have the same quasi-orthogonal property.

[0225] The data transmission device in the embodiment of the present application may be a device, or may be a component, integrated circuit, or chip in a terminal. The device may be a mobile terminal or a non-mobile terminal. Exemplarily, 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 (PC), a television (TV), a deposit payment machine or a self-service machine, etc., and the embodiment of the present application is not specifically limited.

[0226] The data transmission device in the embodiment of the present application may be a device having an operating system, which may be an Android operating system, an ios operating system, or other possible operating systems, and the embodiment of the present application is not specifically limited.

[0227] The data transmission device according to the embodiments of the present application can realize each process realized by each of the above embodiments and achieve the same technical effects, and will not be described further here in order to avoid repetition of description.

[0228] FIG. 9 is a schematic diagram of the hardware structure of a terminal according to an embodiment of the present application. As shown in FIG. 9, the terminal 900 includes components such as, but not limited to, a radio frequency unit 901, a network module 902, an audio output unit 903, an input unit 904, a sensor 905, a display unit 906, a user input unit 907, an interface unit 908, a memory 909, and a processor 910.

[0229] As can be understood by those skilled in the art, the terminal 900 may further include a power source (e.g., a battery) for powering each component, and the power source may be logically connected to the processor 910 by a power management system, so that the power management system can realize functions such as charge / discharge management and power consumption management. The terminal structure shown in Figure 9 does not constitute a limitation on the terminal, and the terminal may include more or less components than the number of components shown, or a combination of some components, or a different arrangement of components, and will not be further described here.

[0230] It should be understood that in the embodiment of the present application, the input unit 904 may include a graphics processor (Graphics Processing Unit, GPU) 9041 and a microphone 9042, and the graphics processor 9041 processes image data of still or video images obtained by an image capture device (e.g., a camera) in a video capture mode or an image capture mode. The display unit 906 may include a display panel 9061, and the display panel 9061 may be arranged in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 907 includes a touch panel 9071 and other input devices 9072. The touch panel 9071 is also called a touch screen. The touch panel 9071 may include two parts: a touch detection device and a touch controller. The other input devices 9072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control buttons, switch buttons, etc.), a trackball, a mouse, and a control lever, which will not be described further herein.

[0231] In the embodiment of the present application, the radio frequency unit 901 receives downlink data from the network side device, and then causes the processor 910 to process the data, and transmits uplink data to the network side device. In general, the radio frequency unit 901 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

[0232] The memory 909 may be used to store software programs or instructions and various data. The memory 909 may mainly include a program or instruction storage area and a data storage area, where the program or instruction storage area can store an operating system, an application program or instruction required for at least one function (e.g., a sound playback function, an image playback function, etc.), etc. The memory 909 may include a high-speed random access memory or a non-volatile memory, where the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. For example, the memory 909 may be at least one magnetic disk memory device, a flash memory device, or other non-volatile solid-state memory device.

[0233] The processor 910 may include one or more processing units. Optionally, the processor 910 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs or instructions, and the modem processor mainly processes wireless communication, such as a baseband processor. As can be understood, the modem processor does not have to be integrated into the processor 910.

[0234] Here, the radio frequency unit 901 is used to obtain configuration information of data transmission, where the configuration information carries related configuration information of downlink signals and uplink transmission resources.

[0235] Processor 910 is used for selecting a target downlink signal and determining a target uplink transmission resource based on associated configuration information of the downlink signal and the uplink transmission resource.

[0236] The radio frequency unit 901 is further used for determining hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource and / or calculating a downlink path loss estimate, and transmitting uplink data based on the HARQ information and / or the downlink path loss estimate.

[0237] Optionally, the method further includes receiving, by a terminal, downlink data based on the target downlink signal.

[0238] Optionally, the associated configuration information of the downlink signal and the uplink transmission resource is Related configuration information of downlink signals and uplink transmission occasions; A downlink signal identifier; First scrambling code identifier information of an uplink signal; second scrambling code identifier information of the uplink signal; Code division multiplexing group information of the uplink signal; and antenna port information of the uplink signal.

[0239] Optionally, the configuration information comprises: The number of uplink transmission occasions frequency division multiplexed at one time, time domain resource allocation information for uplink transmission occasions; frequency domain resource allocation information for uplink transmission occasions; Downlink signal configuration information; Time length information of the placement permission response timer; a measurement threshold for selecting a downlink signal; a first power ramping step parameter; a second power ramping step parameter; the maximum number of placement permission transmissions; The desired receiving power, uplink transmission occasion mask information; Placement permission cycle, Time length information of the placement permission timer; and the largest uplink skip count; The resource allocation information in the time domain of the uplink transmission occasion is The number of slots in each placement permission period, the number of uplink transmission occasions contained in each slot; and and a number of uplink transmission occasions in each configuration allowance period; The resource allocation information in the frequency domain of the uplink transmission occasion is Bandwidth information; and a starting position information in the frequency domain of the uplink transmission occasion.

[0240] Optionally, determining hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource further comprises: The total number of available HARQ processes, and a number corresponding to an available HARQ process; the total number of HARQ processes available within each placement grant period; and A number corresponding to an available HARQ process within each allocation permission period; and and a number corresponding to a HARQ process corresponding to the uplink transmission resource within each configuration permission period.

[0241] Optionally, the calculating of the downlink path loss estimate further comprises: The method includes calculating a downlink path loss estimate based on the target downlink signal.

[0242] Optionally, the method further comprises: When a data transmission process based on the configuration resource is not triggered on all uplink transmission occasions within one configuration permission period, adding 1 to a first counter for counting the number of data transmission skips; When the value of the first counter is equal to or greater than the largest uplink skip count, or the data transmission process based on the configuration resource is not triggered on all uplink transmission occasions in N consecutive configuration periods, the terminal behavior is: An act of terminating a data transmission process based on the configuration resource; Releasing uplink transmission resources; and and discarding the configuration information.

[0243] Optionally, the method further comprises: After the data transmission process based on the configuration resource is triggered, the terminal behavior is: The RRC layer instructs the MAC layer that a data transmission process based on the configuration resource is triggered; The MAC layer stores uplink transmission resources and corresponding HARQ information, and / or initializes or reinitializes uplink transmission resources after the RRC layer indicates that a data transmission process based on the configuration resource is triggered; If corresponding MAC PDUs are not generated on all uplink transmission occasions within one configuration period, the MAC layer sends an uplink skip indication to an upper layer; when the upper layer receives an uplink skip indication, incrementing a first counter by one; When the value of the first counter is equal to or greater than the maximum uplink skip count, the terminal action is: An act of terminating a data transmission process based on the configuration resource; the RRC layer instructing the MAC layer to terminate a data transmission process based on the configuration resource; clearing uplink transmission resources and / or corresponding HARQ information; Releasing uplink transmission resources; and and discarding the configuration information.

[0244] Optionally, the method further comprises: The method further includes setting power ramping step parameters based on a second power ramping step parameter configured by the network side device, a target access identity and / or a target access type provided by an upper layer, and first instruction information sent by the network side device, where the power ramping step parameters include a first power ramping step parameter and a second power ramping step parameter, and the first instruction information is used to instruct the terminal to use the second power ramping step parameter.

[0245] Optionally, the method further comprises: selecting a target downlink signal based on a measurement threshold for downlink signal selection; generating an uplink signal based on the selected target downlink signal and / or related configuration information of the downlink signal and the uplink signal; determining a most recently available uplink transmission occasion based on the selected target downlink signal; determining an uplink grant and corresponding HARQ information based on the selected uplink transmission occasion; and passing the uplink grant and corresponding HARQ information to a HARQ entity.

[0246] Optionally, the HARQ entity performs uplink skip according to a predefined rule and reports an uplink skip indication to the upper layer.

[0247] Alternatively, if one MAC PDU is obtained, it indicates that the data transmission is to be performed by the corresponding HARQ process.

[0248] Optionally, in the process of transmitting uplink data, incrementing a third counter by one based on the second counter, the indication of the pause power ramping counter, the listening before transmission LBT failure indication, the uplink skip indication, and the selected target downlink signal; determining a data transmission power based on the third counter, a power ramping step parameter, a downlink path loss estimate, and a desired received power.

[0249] Optionally, receiving the downlink data includes transmitting the downlink data in an uplink transmission occasion based on one MAC PDU, and then: starting or restarting a configuration authorization response timer; starting or restarting a placement permission timer; and monitoring a PDCCH; The demodulation reference signal antenna port of the PDCCH and the target downlink signal have the same quasi-orthogonal property.

[0250] Optionally, during the running period of the configuration authorization response timer, the terminal action is: stopping the configuration authorization response timer and / or the configuration authorization timer when an indication is received confirming that the data transmission is correct; restarting the T319 timer upon receipt of an indication that the data transmission is correct; and setting a first counter value to zero when an indication is received confirming that the data transmission is correct; stopping a configuration permission response timer and / or restarting a configuration permission timer when receiving one PDCCH for scheduling uplink retransmission; Stopping a configuration permission response timer and / or a configuration permission timer when receiving one PDCCH for scheduling an uplink new transmission; receiving a PDCCH for scheduling a downlink transmission and reporting a HARQ-NACK indication when a corresponding scheduled MAC PDU is not successfully decoded; When a PDCCH for scheduling downlink transmission is received and the corresponding scheduled MAC PDU is successfully decoded, the terminal performs the following actions: stopping the disposition authorization response timer and / or the disposition authorization timer; demultiplexing and / or demultiplexing the MAC PDUs; and reporting a HARQ-ACK indication.

[0251] Optionally, after the configuration authorization response timer times out, the terminal action is: incrementing a second counter by one; If the value of the second counter is equal to the maximum number of configuration permission transmissions threshold plus one, the terminal action is: reporting a failure or backoff indication to a higher layer; An act of terminating a data transmission process based on the configuration resource; Releasing uplink transmission resources; and An act of discarding the placement information; and clearing the uplink transmission resources and corresponding HARQ information.

[0252] 10 is a schematic diagram of the hardware structure of a network side device according to an embodiment of the present application. As shown in FIG. 10, the network side device 1000 includes an antenna 1001, a radio frequency device 1002, and a baseband device 1003. The antenna 1001 and the radio frequency device 1002 are connected. In the uplink direction, the radio frequency device 1002 receives information through the antenna 1001, and transmits the received information to the baseband device 1003 for processing. In the downlink direction, the baseband device 1003 processes the information to be transmitted and transmits it to the radio frequency device 1002, and the radio frequency device 1002 processes the received information and then transmits it through the antenna 1001.

[0253] The methods performed by the network side equipment in the above embodiments may be implemented in a baseband device 1003 , which includes a processor 1004 and a memory 1005 .

[0254] The baseband device 1003 may include, for example, at least one baseband board, on which multiple chips are installed, and as shown in FIG. 10, one of the chips is, for example, a processor 1004, which is connected to a memory 1005, and calls the program in the memory 1005 to perform the network equipment operations shown in the above method embodiments.

[0255] The baseband device 1003 may further include a network interface 1006, which is used to exchange information with the radio frequency device 1002, and which is, for example, a common public radio interface (abbreviated as CPRI).

[0256] Specifically, the network side equipment of the embodiment of the present invention further includes instructions or programs stored in memory 1005 and capable of running on processor 1004, and processor 1004 can call the instructions or programs in memory 1005 to execute the method performed by each module shown in FIG. 8 and achieve the same technical effect, which will not be described further here in order to avoid repetition.

[0257] The embodiments of the present application further provide a readable storage medium, which may be volatile or non-volatile, and a program or instruction is stored on the readable storage medium, which can realize each process of the above-mentioned data transmission method embodiment when executed by a processor, and achieve the same technical effect. In order to avoid repetition, no further description will be given here.

[0258] Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0259] The embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, the processor is used to run a program or instruction to realize each process of the embodiment of the data transmission method, and can achieve the same technical effect. In order to avoid repetition, no further description will be given here.

[0260] It should be understood that the chips referred to in the embodiments of the present application may be referred to as system level chips, system chips, chip systems, or systems on chips.

[0261] It should be explained that in this specification, the terms "comprise", "include", "includes" or any other variants thereof are intended to cover the non-exclusive "comprise", whereby a process, method, article or apparatus that includes a set of elements includes not only those elements, but also other elements not expressly listed or inherent to such process, method, article or apparatus. Absent any further limitations, an element limited by the phrase "comprises one or more" does not preclude the presence of other identical elements in the process, method, article or apparatus that includes the element. It should be pointed out that the scope of the method and apparatus in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may include performing functions in an essentially simultaneous manner or in the reverse order based on the functions involved, for example, the described method can be performed in a different order than described, and various steps can be added, omitted or combined. Also, features described with reference to some examples can be combined in other examples.

[0262] From the above description of the embodiments, it is clear to those skilled in the art that the methods of the above embodiments can be realized in the form of software and a necessary general-purpose hardware platform. Of course, they can also be realized in hardware, but in many cases the former is a more preferred embodiment. Based on this understanding, the technical solution of the present application may be substantially or in part embodied in the form of a software product. The computer software product is stored in a storage medium (e.g., ROM / RAM, magnetic disk, optical disk) and includes some instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.

[0263] The above describes the embodiments of the present application in conjunction with the drawings, but the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not limiting. Those skilled in the art can take the suggestions of this application and make many forms without departing from the spirit and scope of the claims of this application, all of which belong to the protection scope of this application.

Claims

1. 1. A data transmission method, comprising: The terminal obtains configuration information of a configuration grant, the configuration information carrying related configuration information of downlink signals and uplink transmission resources; A terminal selects a target downlink signal, and determines a target uplink transmission resource according to related configuration information of the downlink signal and an uplink transmission resource; and a terminal determining hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource and / or calculating a downlink path loss estimate; and transmitting uplink data based on the hybrid automatic repeat request (HARQ) information and / or the downlink path loss estimate; The data transmission method further includes receiving downlink data by a terminal based on the target downlink signal; Receiving downlink data includes transmitting in an uplink transmission occasion based on one MAC PDU, and then: starting or restarting a configuration permission response timer and / or starting or restarting a configuration permission timer; and monitoring a physical downlink control channel (PDCCH), The demodulation reference signal antenna port of the physical downlink control channel PDCCH and the target downlink signal have the same quasi-orthogonal characteristics; During the operation period of the configuration permission response timer, the terminal acts as follows: stopping the configuration authorization response timer and / or the configuration authorization timer when an indication is received confirming that the data transmission is correct; stopping a configuration permission response timer and / or restarting a configuration permission timer when receiving one physical downlink control channel (PDCCH) for scheduling uplink retransmissions; Stopping a configuration permission response timer and / or a configuration permission timer when receiving one physical downlink control channel (PDCCH) for scheduling an uplink new transmission; When a physical downlink control channel (PDCCH) for scheduling downlink transmission is received and a corresponding scheduled MAC PDU is successfully decoded, the terminal performs the following actions: stopping the disposition authorization response timer and / or the disposition authorization timer; disassembling and / or demultiplexing the MAC PDUs; and reporting a hybrid automatic repeat request acknowledgement (HARQ-ACK) indication. receiving a physical downlink control channel (PDCCH) for scheduling downlink transmission and reporting a hybrid automatic repeat request (HARQ-NACK) indication if the corresponding scheduled MAC PDU is not successfully decoded; The associated configuration information of the downlink signal and the uplink transmission resource is The downlink signal and the uplink transmission occasion related configuration information are included, and further, Code division multiplexing group information of the uplink signal; and antenna port information of the uplink signal. Data transmission method.

2. The related configuration information of the downlink signal and the uplink transmission resource further comprises: A downlink signal identifier; First scrambling code identifier information of an uplink signal; second scrambling code identifier information of the uplink signal; At least one of The arrangement information is The number of uplink transmission occasions frequency division multiplexed at one time, time domain resource allocation information for uplink transmission occasions; frequency domain resource allocation information for uplink transmission occasions; Downlink signal configuration information; Time length information of the placement permission response timer; a measurement threshold for selecting a downlink signal; a first power ramping step parameter; a second power ramping step parameter; the maximum number of placement permission transmissions; The desired receiving power, uplink transmission occasion mask information; Placement permission cycle, Time length information of the placement permission timer; and the largest uplink skip count; The resource allocation information in the time domain of the uplink transmission occasion is The number of slots in each placement permission period, the number of uplink transmission occasions contained in each slot; and and a number of uplink transmission occasions in each configuration allowance period; The resource allocation information in the frequency domain of the uplink transmission occasion is Bandwidth information; and a start position information in the frequency domain of an uplink transmission occasion. Determining hybrid automatic repeat request (HARQ) information corresponding to the target uplink transmission resource comprises: the total number of available HARQ processes; and a number corresponding to an available HARQ process; the total number of HARQ processes available within each configuration authorization period; and A number corresponding to an available HARQ process within each configuration permission period; and a number corresponding to a HARQ process corresponding to the uplink transmission resource within each configuration allowance period.

4. The data transmission method comprises: incrementing a first counter for counting the number of data transmission skips by one when a data transmission process based on a configuration grant is not triggered on all uplink transmission occasions within a configuration grant period; When the value of the first counter is equal to or greater than the largest uplink skip count, or the data transmission process based on the configuration grant is not triggered on all uplink transmission occasions in the N consecutive configuration grant periods, the terminal action is: An act of terminating the data transmission process based on the placement authorization; Releasing uplink transmission resources; and and discarding the configuration information.

5. The data transmission method further includes: After the data transmission process based on the configuration permission is triggered, the terminal acts as follows: A radio resource control (RRC) layer instructs a medium access control (MAC) layer that a data transmission process based on the configuration permission is triggered; The MAC layer stores uplink transmission resources and corresponding hybrid automatic repeat request (HARQ) information and / or initializes or reinitializes uplink transmission resources after the RRC layer indicates that a data transmission process based on the configuration permission is triggered; When corresponding media access control protocol data units (MAC PDUs) are not generated on all uplink transmission occasions within a configuration grant period, the MAC layer sends an uplink skip indication to an upper layer; when the upper layer receives an uplink skip indication, incrementing a first counter by one; If the value of the first counter is equal to or greater than the maximum uplink skip count, the terminal action is: An act of terminating the data transmission process based on the placement authorization; an action of the RRC layer instructing the MAC layer to terminate a data transmission process based on the configuration permission; clearing uplink transmission resources and / or corresponding hybrid automatic repeat request (HARQ) information; Releasing uplink transmission resources; and and discarding the configuration information.

6. The data transmission method comprises:

2. The data transmission method according to claim 1, further comprising: setting a power ramping step parameter according to a second power ramping step parameter configured by a network side device, a target access identity and / or a target access type provided by an upper layer, and first instruction information sent by the network side device, wherein the power ramping step parameters include a first power ramping step parameter and a second power ramping step parameter, and the first instruction information is used to instruct the terminal to use the second power ramping step parameter.

7. The data transmission method comprises: selecting a target downlink signal based on a measurement threshold for downlink signal selection; generating an uplink signal based on the selected target downlink signal and / or related configuration information of the downlink signal and the uplink signal; determining a most recently available uplink transmission occasion based on the selected target downlink signal; determining an uplink grant and corresponding hybrid automatic repeat request (HARQ) information based on the selected uplink transmission occasion; The method of claim 1 , further comprising at least one of: passing the uplink grant and corresponding hybrid automatic repeat request (HARQ) information to a HARQ entity.

8. The HARQ entity performs an uplink skip according to a predefined rule, and reports an uplink skip indication to an upper layer; The data transmission method of claim 7, further comprising: indicating that a corresponding HARQ process is used for data transmission if one MAC PDU is obtained.

9. In a process of transmitting uplink data, incrementing a third counter by one based on the second counter, the indication of the pause power ramping counter, the listening before transmission LBT failure indication, the uplink skip indication and the selected target downlink signal; 10. The method of claim 1, further comprising at least one of a third counter, a power ramping step parameter, and determining a data transmission power based on a downlink path loss estimate and a desired received power.

10. During the operation period of the configuration permission response timer, the terminal action further comprises: restarting the T319 timer upon receipt of an indication that the data transmission is correct; and setting a first counter value to zero upon receipt of an indication confirming that the data transmission is correct; 2. The data transmission method according to claim 1, comprising at least one of the following:

11. After the configuration permission response timer times out, the terminal action is: incrementing a second counter by one; If the value of the second counter is equal to the maximum number of configuration permission transmissions threshold plus one, the terminal action is: reporting a failure or backoff indication to a higher layer; An act of terminating the data transmission process based on the placement authorization; Releasing uplink transmission resources; and An act of discarding the placement information; and clearing uplink transmission resources and corresponding HARQ information.

12. A data transmission method, comprising: The network side device sends configuration information of the configuration permission to the terminal, the configuration information carrying related configuration information of the reference signal and the uplink transmission resource; The network side device receives uplink data transmitted by the terminal based on hybrid automatic repeat request (HARQ) information and / or a path loss reference signal, and the HARQ information and / or the path loss reference signal are determined by the terminal based on the configuration information; The data transmission method includes: transmitting downlink data to the terminal based on the target downlink signal selected by the terminal; Transmitting downlink data includes transmitting a physical downlink control channel (PDCCH) after being transmitted in an uplink transmission occasion according to one media access control protocol data unit (MAC PDU); The demodulation reference signal antenna port of the physical downlink control channel (PDCCH) and the target downlink signal have the same quasi-orthogonal characteristics.

13. A readable storage medium on which a program or instructions are stored, and which, when the program or instructions are executed by a processor of the terminal, realizes the data transmission method described in any one of claims 1 to 11, or which, when the program or instructions are executed by a processor of the network side equipment, realizes the steps of the data transmission method described in claim 12.

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