Resource indication method, data transmission method, network-side device and terminal device

Abstract

The present disclosure provides a resource indication method, a data transmission method, a network side device, and a terminal device, which belong to the field of communication technology, and the resource indication method includes: a step of sending first indication information, where the first indication information is used to indicate a transmission resource list or a carrier list, where the transmission resources in the transmission resource list are constituted by a single carrier having uplink / downlink transmission capability, or are constituted by a combination of carriers having uplink transmission capability and downlink transmission capability, and the carrier capabilities in the carrier list can independently or in combination configure the transmission resources; and a step of sending second indication information for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list or for indicating a signal quality threshold corresponding to a first carrier having uplink transmission capability in the carrier list.

Description

Cross-reference to Related Applications

[0001] This disclosure claims priority to Chinese Patent Application No. 202110653349.5, filed in China on June 11, 2021, the entire content of which is incorporated herein by reference.

Technical Field

[0002] This disclosure relates to the field of communication technologies, and particularly to a resource indication method, a data transmission method, a network-side device, and a terminal device.

Background Art

[0003] In related technologies, in both Long Term Evolution (LTE) and New Radio (NR), improving the peak throughput of a UE by carrier aggregation is supported. In the process of carrier aggregation, multiple carriers are configured for the connected User Equipment (UE) through Radio Resource Control (RRC) signaling, and the deactivated carriers are activated through Medium Access Control - Control Element (MAC-CE). The UE transmits on the activated carriers to improve throughput.

[0004] In the random access stage, an uplink supplementary carrier is introduced, but the number of uplink supplementary carriers is only one, which greatly limits the flexibility of the uplink access resource setting.

Summary of the Invention

Problems to be Solved by the Invention

[0005] The present disclosure provides a resource indication method, a data transmission method, a network-side device, and a terminal device, whereby the terminal device can select an appropriate random access resource from a plurality of available transmission resources, thereby improving the flexibility of the random access process.

Means for Solving the Problems

[0006] In order to solve the above technical problems, the present disclosure is realized as follows.

[0007] According to a first aspect, the present disclosure provides a resource indication method, which is applied to a network-side device. The resource indication method includes: transmitting first indication information, where the first indication information is used to indicate a transmission resource list or a carrier list, the transmission resources in the transmission resource list are constituted by a single carrier having uplink / downlink transmission capabilities, or are constituted by a combination of carriers having uplink transmission capabilities and downlink transmission capabilities, and the carrier capabilities in the carrier list can constitute the transmission resources independently or in combination; and transmitting second indication information for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list or a signal quality threshold corresponding to a first carrier having uplink transmission capabilities in the carrier list.

[0008] According to a second aspect, the present disclosure provides a data transmission method applied to a terminal device. The data transmission method includes: receiving first indication information for indicating a transmission resource list or a carrier list, where the transmission resources in the transmission resource list are constituted by a single carrier having uplink / downlink transmission capabilities, or are constituted by a combination of carriers having uplink transmission capabilities and downlink transmission capabilities, and the carrier capabilities in the carrier list can constitute the transmission resources independently or in combination; and Receiving second indication information for indicating a signal quality threshold corresponding to a transmission resource in the transmission resource list or for indicating a signal quality threshold corresponding to a first carrier having uplink transmission capability in the carrier list; selecting a target transmission resource in the transmission resource based on the signal quality threshold and performing data transmission related to random access, including.

[0009] According to a third aspect, the present disclosure provides a network-side device, and the network-side device is a first transmission module for transmitting first indication information, where the first indication information is used to indicate a transmission resource list or a carrier list, the transmission resource in the transmission resource list is composed of a single carrier having uplink / downlink transmission capability or is composed of a combination of carriers having uplink transmission capability and downlink transmission capability, and the carrier capability in the carrier list can constitute the transmission resource independently or in combination, and a first transmission module; a second transmission module for transmitting second indication information for indicating a signal quality threshold corresponding to a transmission resource in the transmission resource list or for indicating a signal quality threshold corresponding to a first carrier having uplink transmission capability in the carrier list.

[0010] According to a fourth aspect, the present disclosure provides a terminal device, and the terminal device is a first receiving module for receiving first indication information for indicating a transmission resource list or a carrier list, where the transmission resource in the transmission resource list is composed of a single carrier having uplink / downlink transmission capability or is composed of a combination of carriers having uplink transmission capability and downlink transmission capability, and the carrier capability in the carrier list can constitute the transmission resource independently or in combination, and a first receiving module; A second receiving module for receiving second indication information for instructing a signal quality threshold corresponding to a transmission resource in the transmission resource list or for instructing a signal quality threshold corresponding to a first carrier having uplink transmission capability in the carrier list; A random access module for selecting a target transmission resource in the transmission resource based on the signal quality threshold and performing data transmission related to random access.

[0011] According to a fifth aspect, the present disclosure provides a network-side device, which includes a processor and a transceiver. The transceiver is used to transmit first indication information, and the first indication information is used to indicate a transmission resource list or a carrier list. The transmission resources in the transmission resource list are composed of a single carrier having uplink / downlink transmission capability, or are composed of a combination of carriers having uplink transmission capability and downlink transmission capability. The carrier capabilities in the carrier list can constitute the transmission resources independently or in combination. The transceiver is further used to transmit second indication information for instructing a signal quality threshold corresponding to a transmission resource in the transmission resource list or for instructing a signal quality threshold corresponding to a first carrier having uplink transmission capability in the carrier list.

[0012] According to a sixth aspect, the present disclosure provides a terminal device, which includes a processor and a transceiver. The transceiver is used to receive first indication information for instructing a transmission resource list or a carrier list. The transmission resources in the transmission resource list are composed of a single carrier having uplink / downlink transmission capability, or are composed of a combination of carriers having uplink transmission capability and downlink transmission capability. The carrier capabilities in the carrier list can constitute the transmission resources independently or in combination. The transceiver is further used to receive second indication information for instructing a signal quality threshold corresponding to a transmission resource in the transmission resource list or for instructing a signal quality threshold corresponding to a first carrier wave having uplink transmission capability in the carrier wave list. The processor is used to select a target transmission resource in the transmission resource based on the signal quality threshold and perform data transmission related to random access.

[0013] According to a seventh aspect, the present disclosure provides a network-side device, which includes a processor, a memory, and a computer program stored in the memory and executable by the processor. When the computer program is executed by the processor, the steps of the resource indication method described in the first aspect are realized.

[0014] According to an eighth aspect, the present disclosure provides a terminal device, which includes a processor, a memory, and a computer program stored in the memory and executable by the processor. When the computer program is executed by the processor, the steps of the resource indication method described in the second aspect are realized.

[0015] According to a ninth aspect, the present disclosure provides a computer-readable storage medium, in which a computer program is stored. When the computer program is executed by a processor, the steps of the resource indication method described in the first aspect or the steps of the data transmission method described in the second aspect are realized.

Advantages of the Invention

[0016] In an embodiment of the present disclosure, the first indication information is used to indicate the transmission of a resource list or a carrier list, and the second indication information is used to indicate a signal quality threshold corresponding to a transmission resource in the transmission resource list or a signal quality threshold corresponding to a first carrier having an uplink transmission capability in the carrier list. Thereby, in the initial access stage, the terminal device can select a target resource from the transmission resource list or select a carrier that constitutes the target resource from the carrier list based on the second indication information. Thereby, when the terminal device starts random access, it is possible to select from a plurality of carriers, improving the flexibility of the random access process.

Brief Description of the Drawings

[0017]

Figure 1

Figure 2a

Figure 2b

Figure 3

Figure 4

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Figure 7

Figure 8

Embodiments for Carrying Out the Invention

[0018] To more clearly illustrate the technical problems, technical solutions, and advantages to be solved by the present disclosure, the following will be described in detail in conjunction with the drawings and specific embodiments. In the following description, for example, providing specific details of specific configurations or components is only for facilitating the understanding of the embodiments of the present disclosure. Therefore, it is obvious to those skilled in the art that various modifications and changes can be made to the described embodiments without departing from the scope and spirit of the present disclosure. Also, descriptions of known functions and structures are omitted for clarity and conciseness.

[0019] Note that the "one embodiment" or "an embodiment" mentioned from the beginning to the end of the specification means that specific features, structures, or characteristics related to the embodiment are included in at least one embodiment of the present disclosure. Therefore, the "in one embodiment" or "in an embodiment" appearing throughout the specification does not necessarily refer to the same embodiment. Also, these specific features, structures, or characteristics can be combined in one or more embodiments in any manner.

[0020] In various embodiments of the present disclosure, the magnitude of the numbers of the following processes does not indicate the order of execution before and after, and the execution order of each process depends on its function and internal logic.

[0021] In the conventional NR, in order to expand the uplink coverage in the random access process, a supplementary uplink (SUL) has been introduced. The SUL is broadcast in the system information block 1 (SIB1), and a threshold rsrp-ThresholdSSB-SUL of using the SUL in the random access channel (RACH) setting of the SUL is set, that is, a threshold of the reference signal received power (RSRP) of the synchronization signal / physical broadcast channel signal block (or synchronization signal block (SSB)). Thus, when the downlink path loss reference RSRP is smaller than rsrp-ThresholdSSB-SUL, the terminal device selects the SUL carrier to start the random access process; when the downlink path loss reference RSRP is greater than or equal to rsrp-ThresholdSSB-SUL, the terminal device selects the normal uplink (NUL) carrier to start the random access process. However, in the related art, only one SUL carrier is set, and after the terminal device enters the connected state, only one of the SUL and the NUL is selected for uplink transmission.

[0022] As can be seen from the above, in the related art, multiple carriers are not simultaneously applied to the idle state and the connected state of the terminal device, and the terminal device can only see one time division duplex (TDD) and one SUL carrier before access, or only one frequency division duplex (FDD) carrier and one SUL carrier.

[0023] Different from the related methods of the related art, in the embodiments of the present disclosure, in the initial access stage, the terminal device is strengthened to select from a plurality of carriers, thereby improving the flexibility of the random access process.

[0024] Referring to FIG. 1, the resource indication method of the specific embodiment of the present disclosure may have the network side device as the execution entity. As shown in FIG. 1, the resource indication method may include the following steps 101 to 102.

[0025] Step 101, send first indication information, where the first indication information is used to indicate a transmission resource list or a carrier list. The transmission resources in the transmission resource list are composed of a single carrier having uplink / downlink transmission capabilities, or are composed of a combination of carriers having uplink transmission capabilities and downlink transmission capabilities. The carrier capabilities in the carrier list can constitute the transmission resources independently or in combination.

[0026] In a specific implementation, the carriers constituting the above transmission resources may include one or more of carriers such as TDD, FDD, SUL, and supplementary downlink (SDL). In other words, the difference is as follows. In the related art, before access, the terminal device can only see one time division duplex (TDD) and one SUL carrier, or only one frequency division duplex (FDD) carrier and one SUL carrier. In contrast, in the embodiments of the present disclosure, the plurality of carriers that the terminal device can select are not limited to the SUL carrier, but may include one or more of carriers such as TDD, FDD, SUL, and SDL, as long as these carrier resources are available. Make full use of the available random access resources, improve the possibility of random access resource selection, and thus can improve the success rate of random access and the coverage of random access.

[0027] In another aspect, by providing a plurality of selectable carrier waves for the terminal device, the utilization rate of available transmission resources can be further improved.

[0028] Furthermore, when the first indication information is used to indicate a transmission resource list, the transmission resources in the transmission resource list can be composed of one or more carrier waves among TDD carrier waves, FDD carrier waves, TDD+SUL carrier waves, and FDD+SUL carrier waves. For example, assuming that there are currently 4 available carrier waves, namely a TDD carrier wave (2.6 GHz), a TDD carrier wave (4.9 GHz), a SUL carrier wave (1.8 GHz), and a SUL carrier wave (2.3 GHz), at this time, one transmission resource may be configured by combining the 2.6 GHz TDD carrier wave and the 1.8 GHz SUL carrier wave, and another transmission resource may be configured by combining the 4.9 GHz TDD carrier wave and the 2.3 GHz SUL carrier wave. Moreover, the 2.6 GHz TDD carrier wave and the 4.9 GHz TDD carrier wave may each be an independent transmission resource. Thus, the transmission resource list indicated by the first indication information may include 4 transmission resources, namely [2.6 GHz TDD carrier wave and 1.8 GHz SUL carrier wave], [2.6 GHz TDD carrier wave], [4.9 GHz TDD carrier wave and 2.3 GHz SUL carrier wave], and [4.9 GHz TDD carrier wave].

[0029] In the specific embodiments of the present disclosure, the meaning that the transmission resource is composed of a combination of carrier waves with uplink transmission capabilities and downlink transmission capabilities is that there are a plurality of constituent carrier waves, and the transmission resource formed by combining the plurality of carrier waves simultaneously has uplink / downlink transmission capabilities. The transmission resource includes a plurality of combinations, for example, as follows. 1. It is composed of a combination of a carrier wave A1 with only uplink transmission capabilities and a carrier wave B1 with only downlink transmission capabilities. 2. It is composed of a combination of a carrier wave A2 with both uplink / downlink transmission capabilities and a carrier wave B2 with only downlink transmission capabilities. 3. It is composed of a combination of a carrier wave A3 with both uplink / downlink transmission capabilities and a carrier wave B3 with only uplink transmission capabilities. 4. It is composed of a combination of carrier waves A4 and B4 with both uplink / downlink transmission capabilities.

[0030] Step 102: Transmit second indication information for indicating a signal quality threshold corresponding to a transmission resource in the transmission resource list or for indicating a signal quality threshold corresponding to a first carrier wave having uplink transmission capabilities in the carrier wave list.

[0031] In one embodiment, the first indication information is used to indicate a transmission resource list, and the transmission resources in the transmission resource list are composed of a single carrier wave having uplink / downlink transmission capabilities or are composed of a combination of carrier waves having uplink transmission capabilities and downlink transmission capabilities. At this time, the second indication information is used to indicate a signal quality threshold corresponding to the transmission resources in the transmission resource list.

[0032] This embodiment may be understood as follows. The network-side device directly indicates the transmission resources and sets the signal quality threshold corresponding to each transmission resource. In this way, in the initial access stage, the terminal device can select a target transmission resource from the transmission resource list based on the numerical relationship between the signal quality of the received transmission resource and the signal quality threshold corresponding to each transmission resource, and perform data transmission related to random access in the selected target transmission resource.

[0033] In another embodiment, the first indication information is used to indicate a carrier list, and the carrier capabilities in the carrier list can constitute the transmission resource independently or in combination. At this time, the second indication information is used to indicate a signal quality threshold corresponding to a first carrier having uplink transmission capability in the carrier list.

[0034] This embodiment can be understood as follows. The network-side device notifies the terminal of the available carriers and the signal quality thresholds corresponding to each available uplink carrier. In this way, in the initial access stage, the terminal device can select a target carrier from all available carriers based on certain rules, and perform data transmission related to random access in the target transmission resource constituted by the selected target carrier.

[0035] In actual application, the carrier constituting the target transmission resource needs to have uplink transmission capability and downlink transmission capability. If the selected target carrier by the terminal device only has uplink transmission capability and does not have downlink transmission capability, in order to constitute the target transmission resource with two related carriers and achieve the goal of simultaneously having uplink / downlink transmission capability, based on certain rules, the target carrier with uplink transmission capability may be associated with another downlink transmission capability.

[0036] As an optional embodiment, when the first indication information is used to indicate the carrier list, the first carrier defaults to constitute the transmission resource with a second carrier, and the second carrier is the carrier with the lowest frequency point among the carriers in the carrier list whose frequency point is greater than or equal to the frequency point of the first carrier and has downlink transmission capability.

[0037] In a specific implementation, when the first carrier wave has both uplink transmission capability and downlink transmission capability, the second carrier wave and the first carrier wave may be the same carrier wave.

[0038] For example, when the first carrier wave itself has both uplink transmission capability and downlink transmission capability, the second carrier wave may be itself. When the first carrier wave has only uplink transmission capability, the second carrier wave first has downlink transmission capability. And when there are multiple carrier waves with downlink transmission capability, it is necessary to make a selection based on frequency.

[0039] Also, the selection rule of the second carrier wave may be set by the network-side device for the terminal device, or the selection rule of the second carrier wave may be notified to the terminal by a pre-defined method according to the protocol.

[0040] And in the above carrier wave list, among the carrier waves whose frequency points are equal to or higher than the frequency point of the first carrier wave and have downlink transmission capability, the carrier wave with the lowest frequency point can be understood as follows. The second carrier wave is the carrier wave in the above carrier wave list that has downlink transmission capability, is larger than the frequency band of the first carrier wave, and has the smallest frequency interval from the first carrier wave.

[0041] In actual application, when random access is started by the first carrier wave, the subsequent Msg2 and Msg4 of the contention-based random access signaling are transmitted using the second carrier wave.

[0042] For example, if there are four carriers in the carrier list, namely a 2.6 GHz TDD carrier, a 4.9 GHz TDD carrier, a 1.8 GHz SUL carrier, and a 2.3 GHz SUL carrier respectively, there are four carriers with uplink functions, that is, the number of the first carriers in this embodiment is four. When the terminal device determines that the uplink carrier to access is the 2.3 GHz SUL carrier based on the signal quality threshold indicated by the second indication information, it is necessary to combine another downlink carrier to receive messages such as msg4. In contrast, the 2.3 GHz SUL carrier may be predefined to be associated with the TDD carrier with a carrier frequency of 2.6 GHz, which is the nearest carrier with downlink function. In this way, when the terminal device determines that the uplink carrier to access is the 2.3 GHz SUL carrier based on the signal quality threshold indicated by the second indication information, by default, the 2.3 GHz SUL carrier and the 2.6 GHz TDD carrier are used to configure the target transmission resource, and thereby perform data transmission related to random access in the target transmission resource.

[0043] In the related art, the SUL carrier is defaultly associated with the downlink (DL) carrier for receiving system messages. Thus, when starting random access using SUL, the subsequent Msg2 and Msg4 are transmitted using the DL carrier for receiving system messages. Different from the related art, the first carrier in the embodiment of the present disclosure may be any one of a plurality of carriers in the carrier list, and the second carrier is determined to be the carrier with the lowest frequency point among the carriers in the carrier list whose frequency points are greater than or equal to the frequency point of the first carrier and have downlink transmission capabilities, so that the frequency difference between the first carrier and the second carrier in the same transmission resource can be reduced, thereby improving the consistency of the transmission resource in the uplink transmission capability and the downlink transmission capability.

[0044] Meanwhile, for example, when the transmission performance of the SUL carrier wave is not satisfied, different from the related art, the solution of the embodiment of the present disclosure may select the 2.3 GHz SUL carrier wave or the 4.9 GHz TDD carrier wave to realize carrier aggregation transmission.

[0045] In addition, the carrier waves constituting the above transmission resources may include an anchor carrier wave and a non-anchor carrier wave. At this time, the terminal device may obtain the signal strength of each carrier wave in the following manner, and determine the target transmission resources based on the quantitative relationship between the signal strength and the signal quality threshold.

[0046] Considering the case of co-site deployment, different carrier waves may be deployed at the co-site, so the difference in their signal propagation losses is relatively constant. The terminal device may determine the signal strength of the non-anchor carrier wave based on the channel strength received in the anchor carrier wave. Therefore, based on the selection criteria of the target transmission resources, the anchor carrier or the non-anchor carrier is selected to perform data transmission related to random access.

[0047] It should be noted that after the terminal device enters the connected state, it can still select the transmission resources for data transmission based on the instructions of the above first instruction information and second instruction information. For the sake of easy explanation, in the following embodiments, when the terminal device is in the initial access stage, the transmission resources for performing data transmission related to random access based on the instructions of the above first instruction information and second instruction information are not specifically limited here.

[0048] Furthermore, the above first instruction information and second instruction information may be transmitted or broadcast to the terminal device in a manner such as a system message, a paging message, a network broadcast message, or control signaling.

[0049] In addition, the above system message or paging message may be transmitted only on the anchor carrier in order to save system overhead.

[0050] The anchor carrier (also referred to as the anchor frequency resource) and the non-anchor carrier (also referred to as the non-anchor frequency resource) are names for ease of explanation and are not limited thereto. The anchor carrier mainly refers to the carrier used for transmitting system messages and is used for terminal residence and receiving paging messages. The non-anchor carrier may not be used for residence, does not transmit system messages, and system messages claimed by the UE are excluded. Both the anchor carrier and the non-anchor carrier may be used for data transmission in the random access process and connection state data transmission.

[0051] Note that based on the fact that the number of transmission resources or carriers selectable by the terminal device is plural, the number of signal quality thresholds corresponding to the transmission resources in the above transmission resource list, or the number of signal quality thresholds corresponding to the first carrier having uplink transmission capability in the carrier list may also be plural.

[0052] As one selectable embodiment, the selection criteria corresponding to each transmission resource are different, or the selection criteria corresponding to at least two of the above transmission resources are the same.

[0053] Here, the above transmission resource may be a transmission resource in a transmission resource list indicated by the first indication information, or a transmission resource constituted by a combination of carriers selected based on protocol regulations or network-side devices.

[0054] In addition, the above selection criteria are limited by the signal quality threshold in the second indication information. For example, at least one signal quality threshold constitutes one signal quality interval, and the selection criteria may be understood as follows. When the signal quality of the downlink transmission is within the signal quality interval, select the transmission resource corresponding to the signal quality interval.

[0055] [Embodiment 1] When the selection criteria corresponding to each transmission resource are different, assuming that the total number of transmission resources is N, the required signal quality thresholds are N - 1. Thus, the N - 1 signal quality thresholds divide N signal quality intervals, and the N signal quality intervals correspond one-to-one with the N transmission resources.

[0056] For example, as shown in Figure 2a, assume that there are a total of 4 transmission resources, which are a 4.9 GHz TDD carrier, a 4.9 GHz TDD carrier and a 2.3 GHz SUL carrier, a 2.6 GHz TDD carrier, and a 2.6 GHz TDD carrier + a 1.8 GHz SUL carrier respectively. The signal quality thresholds corresponding to the 4 transmission resources are 3, which are RSRP1, RSRP2, and RSRP3 respectively. The principle of selecting the transmission resource is as follows. When the downlink RSRP is greater than RSRP1, it is determined that the target transmission resource is the 4.9 GHz TDD carrier. When the downlink RSRP is greater than RSRP2 and less than or equal to RSRP1, it is determined that the target transmission resource is the 4.9 GHz TDD carrier + the 2.3 GHz SUL carrier. When the downlink RSRP is greater than RSRP3 and less than or equal to RSRP2, it is determined that the target transmission resource is the 2.6 GHz TDD carrier. When the downlink RSRP is less than or equal to RSRP3, it is determined that the target transmission resource is the 2.6 GHz TDD carrier + the 1.8 GHz SUL carrier.

[0057] In this embodiment, the terminal device can select the target transmission resource based only on the numerical values of the RSRP and each signal quality threshold.

[0058] [Embodiment 2] When the selection criteria corresponding to at least two of the transmission resources are the same, assuming that the total number of transmission resources is N, the required signal quality threshold is smaller than N - 1. At this time, there may be a case where the same signal quality interval corresponds to at least two transmission resources.

[0059] For example, as shown in Fig. 2b, assuming that there are a total of four transmission resources, which are a 4.9 GHz TDD carrier wave, a 4.9 GHz TDD carrier wave + a 2.3 GHz SUL carrier wave, a 2.6 GHz TDD carrier wave, and a 2.6 GHz TDD carrier wave + a 1.8 GHz SUL carrier wave respectively. The signal quality thresholds corresponding to the four transmission resources are two, which are RSRP1 and RSRP2 respectively. The principle of selecting transmission resources is as follows. When the downlink RSRP is greater than RSRP1, it is determined that the target transmission resource is the 4.9 GHz TDD carrier wave. When the downlink RSRP is greater than RSRP2 and less than or equal to RSRP1, it is determined that the target transmission resource is the 4.9 GHz TDD carrier wave + the 2.3 GHz SUL carrier wave. When the downlink RSRP is less than or equal to RSRP2, it is determined that the target transmission resource is the 2.6 GHz TDD carrier wave + the 1.8 GHz SUL carrier wave or the 2.6 GHz TDD carrier wave.

[0060] Here, when the downlink RSRP is less than or equal to RSRP2, the terminal device may select the 2.6 GHz TDD carrier wave + the 1.8 GHz SUL carrier wave as the target transmission resource based on factors such as service needs or load distribution of different carrier waves, or may select the 2.6 GHz TDD carrier wave as the target transmission resource. In other words, the signal quality interval less than or equal to RSRP2 corresponds to two transmission resources with the same selection criteria.

[0061] This embodiment is applicable to an application scenario where the propagation characteristics of multiple carrier waves are similar. At this time, the multiple carrier waves with similar propagation characteristics may be made to correspond to the same selection criteria.

[0062] Furthermore, when the selection criteria corresponding to at least two of the transmission resources are the same, the network-side device may further set for the terminal device how to select one from at least two of the transmission resources corresponding to the same selection criteria as the target transmission resource.

[0063] For example, based on at least one of the following criteria, one may be selected from at least two of the transmission resources corresponding to the same selection criteria as the target transmission resource.

[0064] Criterion 1: Disperse the loads of different carriers within the same cell. Generally, the coverage performance of a low-frequency carrier is better than that of a high-frequency carrier. However, when a large number of users concentrate on the low-frequency carrier, the low-frequency carrier becomes congested, and for users who need the low-frequency carrier to improve the coverage level due to poor coverage, limited resources will be taken away. Therefore, such a carrier usage method is inefficient. In another aspect, generally, the bandwidth of the low-frequency carrier is narrow, which is not advantageous for high-capacity and high-speed transmission. Thus, based on the above Criterion 1, in a specific embodiment of the present disclosure, a carrier with a low load (usually a high-frequency carrier) is preferentially selected and used for data transmission related to random access. In this way, the load balance among different carriers can be realized, and the situation where some carriers are overloaded while others are in an idle state can be avoided. For example, when the first indication information is used to indicate the carrier list, the first carrier defaultly forms the transmission resource with the second carrier, and the second carrier is the carrier with the lowest frequency point among the carriers in the carrier list whose frequency point is equal to or higher than that of the first carrier and has downlink transmission capability. The above setting of the association relationship not only preferentially selects a carrier wave with a higher frequency in consideration of the frequency of the carrier wave, but also considers making the frequency interval between the uplink / downlink carrier waves as small as possible to achieve the balance between the uplink and the downlink.

[0065] Criterion 2: Ensure the service quality of the service. In view of the fact that different services have different frequencies, for example, for the Voice over New Radio (VoNR) service, in order to ensure the service quality, it is recommended that the terminal device starting the service accesses from a specific carrier wave, for example, a 700 MHz carrier wave. Based on the above Criterion 2, for different services, the corresponding target transmission resources can be selected to perform data transmission related to random access.

[0066] As one selectable embodiment, when the selection criteria corresponding to at least two of the above transmission resources are the same, different priorities are set for the transmission resources corresponding to the same selection criteria.

[0067] In a specific implementation, the above priority may be related to the service type.

[0068] Corresponding to the above Criterion 2, in different transmission service scenarios, the priorities between at least two transmission resources corresponding to the same selection criteria may be different. For example, the priority of the carrier wave suitable for the current transmission service is higher than the priority of the carrier wave not suitable for the current transmission service. In this way, the terminal device may select, based on the priority, one transmission resource suitable for the current transmission service from at least two transmission resources corresponding to the same selection criteria as the target transmission resource. As another example, when the user starts a voice service, full-duplex carrier waves are preferentially used, and when the user starts a low-latency service, TDD carrier waves are preferentially used.

[0069] However, in actual applications, the above priority may be related to the load on the carrier wave. For example, the lower the load, the higher the priority. In this way, the terminal device may select, based on the priority, one transmission resource with a lower load as the target transmission resource from at least two transmission resources corresponding to the same selection criteria.

[0070] As one possible implementation, before the step of transmitting the first indication information, it further includes the step of setting the carrier wave in the transmission resource list or the carrier wave list, where the uplink / downlink transmission capability of the carrier wave is determined by the setting operation.

[0071] In the related art, the transmission capability of each carrier wave is pre-determined. For example, since the carrier wave has attributes such as FDD, TDD, SUL, SDL, etc., the uplink / downlink transmission capability of the carrier wave has been determined before the setting. In contrast, in this embodiment, the transmission capability of the carrier wave is determined after the setting is executed, which is more flexible compared to the related art. For example, currently there is an uplink carrier wave but no downlink carrier wave. According to the conventional method, an extra carrier wave is set as a carrier wave without downlink transmission capability, and at this time, the transmission may be interrupted due to the absence of downlink transmission. However, in this solution, if necessary, the carrier wave can be set as a carrier wave with downlink transmission capability, thereby enabling the service to continue and improving the flexibility.

[0072] In a specific implementation, the above setting operation includes an operation of setting the period of the frame structure, an operation of setting the uplink transmission time slot distribution of the carrier wave, an operation of setting the downlink transmission time slot distribution of the carrier wave, and includes at least one of them.

[0073] For example, when the period of the carrier wave frame structure setting is 5 ms and the sub-carrier spacing is 15 KHz, there are 5 transmission time slots within each period. At this time, the setting status of the carrier wave may include the following cases.

[0074] Case 1 Set the carrier wave to f0. The distribution status of the downlink transmission time slots within the period of the carrier wave f0 is DDDDD, where D means a downlink transmission time slot. The distribution status of the uplink transmission time slots within the period of the carrier wave f0 is UUUUU, where U means an uplink transmission time slot. Case 2 Set the carrier wave to f1. The distribution status of the downlink transmission time slots within the period of the carrier wave f1 is DDDXX, where X means unavailable. The distribution status of the uplink transmission time slots within the period of the carrier wave f1 is XXXUU. Case 3 Set the carrier wave to f2. The distribution status of the downlink transmission time slots within the period of the carrier wave f2 is DDDDD. The distribution status of the uplink transmission time slots within the period of the carrier wave f2 is XXXXX. Case 4 Set the carrier wave to f3. The distribution status of the downlink transmission time slots within the period of the carrier wave f3 is XXXXX. The distribution status of the uplink transmission time slots within the period of the carrier wave f3 is UUUUU.

[0075] It should be noted that the above cases 1 to 4 of the carrier wave settings are merely examples. In actual applications, the uplink transmission time slot distribution and the downlink transmission time slot distribution may vary and will not be listed one by one.

[0076] In this embodiment, through the above-described carrier setting operation, flexible setting of carriers such as full duplex, FDD, TDD, SUL, and SDL can be achieved. For example, since both the uplink and downlink of f0 are at the same frequency, it can be regarded as a full-duplex frequency setting. At the frequency of f1, uplink-downlink time-division multiplexing can achieve TDD setting. f2 is an SDL setting, f3 is an SUL setting, and combining f2 and f3 can achieve FDD setting.

[0077] Note that the carrier setting operation in the above embodiments may be a single carrier list setting method, and the setting method of the carrier list may be used independently of other indication information.

[0078] As one selectable embodiment, the resource indication method further includes a step of transmitting third indication information for indicating the SSB index correspondence relationship between carriers in the transmission resource list.

[0079] In a specific implementation, the above third indication information is used to indicate the SSB index correspondence relationship between carriers in the transmission resource list, which can be understood as follows. The third indication information is used to indicate the SSB index correspondence relationship between the anchor carrier and non-anchor carriers in the transmission resource list.

[0080] In the related art, since SUL and NUL correspond to the same downlink frequency point, after the terminal device obtains the strongest downlink beam by measuring with the downlink SSB, regardless of whether it selects NUL or SUL to perform uplink random access, it only needs to obtain the corresponding Physical Random Access Channel (PRACH) resource based on the index of the SSB. Different from the related art, in the embodiments of the present disclosure, since the uplink PRACH resource is obtained by the index of the downlink SSB, it is necessary to know the correspondence between the SSB beam of the anchor carrier and the beam of the non-anchor carrier.

[0081] Also, different frequency bands may have different numbers of SSB beams. For example, a carrier at 1.8 GHz can have a maximum of 4 beams, and a carrier at 2.6 GHz can have 8 beams. In this case, when the carriers at the above two frequency points transmit with their respective maximum beams, it is necessary to indicate the correspondence between the beam of the anchor carrier and the beam of the non-anchor carrier. In view of this, in this embodiment, the third indication information can indicate the correspondence of SSB indexes of different frequencies, and can assist the terminal device to reduce measurements when selecting a carrier.

[0082] For example, assume that beam 1 and 2 of the anchor carrier correspond to beam 1 of the non-anchor carrier, and the terminal device determines that it currently accesses via the non-anchor carrier based on the RSRP. If the strongest beam of the anchor carrier is beam 1 or 2, select and access the PRACH resource corresponding to beam 1 of the non-anchor carrier.

[0083] As another example, assume that beam 1 of the anchor carrier corresponds to beams 1, 2, 3, and 4 of the non-anchor carrier, and the terminal device determines that it is currently accessing via the non-anchor carrier based on the RSRP. If the strongest beam of the anchor carrier is beam 1, the terminal device can determine, based on the third indication information, that beam 1 of the anchor carrier corresponds to beams 1, 2, 3, and 4 of the non-anchor carrier, measure the SSB positions of beams 1, 2, 3, and 4 of the non-anchor carrier, determine the beam with the strongest signal, and thereby perform random access using the PRACH resource corresponding to the beam with the strongest signal.

[0084] As can be seen from the above, in this embodiment, through the measurement of the anchor carrier and the broadcast system message, parameters such as the beam with the strongest signal and the signal quality in the anchor carrier can be determined, and based on the beam correspondence relationship between the beam and the non-anchor carrier, a basis for judgment is provided for the selection of the non-anchor carrier. In this way, the terminal device can be avoided from performing signal quality measurement on unnecessary non-anchor carriers, thereby reducing the power consumption of the terminal device and simplifying the calculation process of the terminal device.

[0085] As one selectable embodiment, the resource indication method further includes: a step of transmitting fourth indication information for indicating the cell ID information of the carrier in the transmission resource list or the carrier list.

[0086] In a specific implementation, the above cell ID information can be understood as a Physical layer cell identity.

[0087] In actual application, when the difference in the coverage ranges of the anchor carrier and the non-anchor carrier is large, the carriers in the transmission resource list or the carrier list may include not only carriers of the same site but also carriers of different sites.

[0088] In this embodiment, by instructing the cell ID information of the carrier wave by the fourth instruction information, the terminal device determines the carrier wave of the co-site and the carrier wave of the non-co-site based on the received fourth instruction information, and thereby selects the carrier wave of the co-site to configure the above transmission resource.

[0089] Based on this, the network-side device may set different carrier wave settings for different physical cells. For example, for different physical cells at the same non-anchor frequency point that jointly cover with the anchor carrier wave, different settings may be set. For example, only the non-anchor frequency point of the co-site has the SUL setting, and the non-anchor frequency points of other non-co-sites cannot use the SUL setting.

[0090] For example, as shown in FIG. 3, 700 MHz is the frequency point of the anchor carrier wave, 2.6 GHz is the frequency point of the non-anchor carrier wave, one SUL frequency band is set, and there are three non-anchor carrier waves of 2.6 GHz within the coverage range of 700 MHz. Assume that the three non-anchor carrier waves of 2.6 GHz each use different physical cell IDs. If it is determined that only one non-anchor carrier wave shares the same site as the 700 MHz anchor carrier wave, at the time of setting, the network-side device can set the SUL and its RSRP signal quality threshold for the non-anchor carrier wave of 2.6 GHz in the co-site, and for the non-anchor carrier wave of 2.6 GHz in the non-co-site, only set the setting information related to the non-anchor carrier wave of 2.6 GHz and do not set the information related to the SUL. As a result, the non-anchor carrier wave of 2.6 GHz in the non-co-site is not selected as the SUL. On the other hand, on the terminal device side, after the UE accesses from the anchor carrier wave to obtain the broadcast information, the UE can obtain the reception position of the SSB of the corresponding non-anchor carrier wave based on the broadcast information, obtain the physical cell ID by corresponding position detection, and then determine whether it belongs to the non-anchor carrier wave of the co-site based on this.

[0091] This embodiment is particularly applicable when the first indication information is used to indicate a carrier list. When the first indication information indicates a transmission resource list, the network-side device may directly include only the transmission resources composed of the co-site carriers in the transmission resource list, and detailed description thereof will be omitted here.

[0092] In a specific implementation, the fact that the fourth indication information is used to indicate the cell ID information of the carriers in the transmission resource list or the carrier list may be understood as follows. The fourth indication information is used to indicate the physical cell ID of the non-anchor carriers in the transmission resource list or the carrier list.

[0093] Also, when the coverage scenarios are the same, a conventional terminal device can access from non-anchor carriers. Therefore, non-anchor carriers also have their own system messages and physical cell IDs, and the physical cell IDs are used in operations such as scrambling of the Physical Broadcast Channel (PBCH), interleaving of the Control Resource Set (CORESET), scrambling of the Physical Downlink Control Channel (PDCCH), scrambling of the Physical Downlink Shared Channel (PDSCH), and scrambling of the Demodulation Reference Signal (DMRS) when dedicated parameters are not set.

[0094] Taking the interleaving of the CORESET as an example, when using the mapping method from the interleaved Control Channel Element (CCE) to the Resource Element Group (REG), the following formula is satisfied.

Number

Number

[0095] The interleaver may be defined by the following formula.

Number

[0096] Here, n shift ∈ {0, 1, …, 274}, and when the high-level parameter shiftIndex is provided, the specific possible values of n shift are obtained based on the high-level parameter shiftIndex, otherwise

Number

Number

Number

Number

[0097] As can be seen from the above, for these non-anchor carrier waves serving conventional terminal devices, the base station still needs to perform scrambling, interleaving, etc. in the conventional manner and utilize the physical cell ID. Therefore, the physical cell ID of the non-anchor carrier wave and the corresponding configuration information are indicated to the terminal device by the fourth indication information. In this way, when the new terminal device directly accesses the non-anchor carrier wave via the anchor carrier wave, it can obtain the physical cell ID without receiving its SSB, thereby enabling subsequent normal data transmission.

[0098] From the perspective of the terminal side, the embodiments of the present disclosure further include a data transmission method, and the execution subject of the data transmission method may be a terminal device. As shown in FIG. 4, the data transmission method includes the following steps 401 to 403.

[0099] Step 401, receive first indication information for indicating a transmission resource list or a carrier list, where the transmission resources in the transmission resource list are composed of a single carrier having uplink / downlink transmission capabilities, or are composed of a combination of carriers having uplink transmission capabilities and downlink transmission capabilities, and the carrier capabilities in the carrier list can constitute the transmission resources independently or in combination.

[0100] Step 402, receive second indication information for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list or a signal quality threshold corresponding to a first carrier having uplink transmission capabilities in the carrier list.

[0101] Step 403, based on the signal quality threshold, select target transmission resources in the transmission resources and perform data transmission related to random access.

[0102] In a specific implementation, the transmission resource in step 403 includes the transmission resources in the transmission resource list, or includes the transmission resources independently or combinatorially configured by the carriers in the carrier list.

[0103] Note that the above random access process may include a 4-step RACH process or a 2-step RACH process.

[0104] The 4-step RACH process, that is, the Type-1 random access process, includes the following transmission processes. Transmission of the random access sequence of Msg1 (uplink). PDCCH / PDSCH transmission corresponding to the random access response (downlink). Physical Uplink Shared Channel (PUSCH) transmission scheduled by the random access response (Random Access Response, RAR) (uplink). PDSCH transmission for contention resolution (downlink).

[0105] Also, for the 2-step RACH process, it includes uplink MsgA transmission and downlink MsgB transmission.

[0106] At this time, the above step of selecting a target transmission resource in the transmission resource to perform data transmission related to random access includes the steps of performing corresponding uplink transmission on the uplink carrier corresponding to the target transmission resource and performing corresponding downlink transmission on the corresponding downlink carrier.

[0107] In this embodiment, even when the terminal device is in an idle state, it can select a target transmission resource from a plurality of transmission resources based on the first instruction information and the second instruction information of the network-side device, or select a carrier wave constituting the target transmission resource from a plurality of carrier waves, so as to realize performing data transmission related to random access using the target transmission resource.

[0108] The above-mentioned first instruction information, second instruction information, transmission resource list, carrier wave list, etc. have the same meanings as the first instruction information, second instruction information, transmission resource list, carrier wave list, etc. in the resource instruction method embodiment shown in FIG. 1, respectively. Moreover, the specific process in which the terminal device selects a target transmission resource from a plurality of transmission resources or selects a carrier wave constituting the target transmission resource from a plurality of carrier waves according to the instruction of the network-side device corresponds to the specific process in the resource instruction method embodiment shown in FIG. 1 in which the network-side device instructs the terminal device to select a target transmission resource from a plurality of transmission resources or select a carrier wave constituting the target transmission resource from a plurality of carrier waves, and detailed description is omitted here.

[0109] According to the data transmission method provided by the embodiment of the present disclosure, even when the terminal device is in an idle state, by selecting one or more carrier waves from a plurality of carrier waves, random access can be started on the selected carrier wave, and it has the same beneficial effects as the method embodiment shown in FIG. 1, and detailed description is omitted here.

[0110] Optionally, when the first instruction information is used to indicate the carrier wave list, the first carrier wave defaults to constitute the second carrier wave and the transmission resource, and the second carrier wave is the carrier wave with the lowest frequency point among the carrier waves in the carrier wave list whose frequency point is equal to or higher than the frequency point of the first carrier wave and which have downlink transmission capabilities.

[0111] Optionally, the selection criteria corresponding to each transmission resource are different, or the selection criteria corresponding to at least two of the transmission resources are the same.

[0112] The above selection criteria have the same meaning and function as the selection criteria in the method embodiment shown in FIG. 1, and detailed description thereof is omitted here.

[0113] Furthermore, when the selection criteria corresponding to at least two of the transmission resources are the same, different priorities are set for the transmission resources corresponding to the same selection criteria.

[0114] Furthermore, the priority is associated with the service type.

[0115] Optionally, the data transmission method further includes a step of receiving third indication information for indicating the SSB index correspondence relationship between the carriers in the transmission resource list.

[0116] The above third indication information has the same meaning as the third indication information in the method embodiment shown in FIG. 1, and detailed description thereof is omitted here.

[0117] In actual application, the terminal device can reduce the measurement during carrier selection based on the SSB index correspondence relationship between the carriers in the above transmission resource list.

[0118] As an optional embodiment, the step of selecting a target transmission resource in the transmission resource and performing data transmission related to random access based on the signal quality threshold is When the second carrier wave randomly accessed by the terminal is different from the first carrier wave that receives the system message, based on the SSB index selected in the first carrier wave and the SSB index correspondence relationship between the first carrier wave and the second carrier wave, determine the SSB index of the second carrier wave corresponding to the SSB index in the first carrier wave, and based on the SSB index of the second carrier wave, determine the random access resource and perform random access.

[0119] The first carrier wave that receives the system message can be represented as an anchor carrier wave, and the second carrier wave is different from the first carrier wave that receives the system message. The second carrier wave can be represented as a non-anchor carrier wave. At this time, when the terminal device selects a non-anchor carrier wave to perform random access, based on the signal quality threshold, the step of selecting a target transmission resource in the transmission resource to perform data transmission related to random access specifically includes the step of performing data transmission related to random access in the first target resource. The first target resource is a resource corresponding to the target beam of the non-anchor carrier wave in the target transmission resource, and the target beam is the strongest beam in the non-anchor carrier wave beam corresponding to the strongest beam of the anchor carrier wave.

[0120] This embodiment corresponds to the embodiment shown in FIG. 1 that shows the SSB index correspondence relationship between the anchor carrier wave and the non-anchor carrier wave by the third indication information, and similar beneficial effects can be obtained, and detailed description is omitted here.

[0121] Optionally, the data transmission method includes receiving fourth indication information for indicating the cell ID information of the carrier wave in the transmission resource list or the carrier wave list. The step is further included.

[0122] This embodiment corresponds to the embodiment that indicates the physical cell ID of a non-anchor carrier by the fourth indication information shown in FIG. 1, and similar beneficial effects can be obtained, and detailed description is omitted here.

[0123] In a specific implementation, the terminal device can determine a carrier that is a co-site carrier based on the above cell ID information.

[0124] Thus, the fourth indication information may specifically be used to indicate a cell ID corresponding to a carrier deployed at the same site as the carrier for receiving a system message or sharing the system message.

[0125] In an application, the terminal device may select a carrier deployed at the same site as the carrier for receiving a system message or sharing the system message to perform data transmission related to random access. For example, when the terminal device selects a non-anchor carrier to start access, based on the signal quality threshold, the step of selecting a target transmission resource in the transmission resource to perform data transmission related to random access specifically performs data transmission related to random access in a second target resource, and the second target resource is a non-anchor carrier sharing the same site as the anchor carrier in the target transmission resource.

[0126] In an embodiment of the present disclosure, the terminal device receives first indication information for indicating a transmission resource list or a carrier list. The transmission resources in the transmission resource list are constituted by a single carrier having uplink / downlink transmission capabilities, or are constituted by a combination of carriers having uplink transmission capabilities and downlink transmission capabilities. The carrier capabilities in the carrier list can constitute the transmission resources independently or in combination. The terminal device receives second indication information for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list or for indicating a signal quality threshold corresponding to a first carrier having uplink transmission capabilities in the carrier list. Based on the signal quality threshold, the terminal device selects a target transmission resource in the transmission resources and performs data transmission related to random access. In this way, in an idle state, the terminal device can select a target transmission resource from a plurality of transmission resources indicated by the first indication information based on the signal quality threshold indicated by the second indication information, or can select a carrier constituting the target transmission resource from a plurality of carriers indicated by the first indication information. Thereby, when the terminal device starts random access, it can be selected from a plurality of carriers, thereby improving the coverage of random access.

[0127] Referring to FIG. 5, it is a structural diagram of a kind of network-side device provided by an embodiment of the present disclosure. As shown in FIG. 5, the network-side device 500 includes A first transmission module 501 for transmitting first indication information, where the first indication information is used to indicate a transmission resource list or a carrier list. The transmission resources in the transmission resource list are constituted by a single carrier having uplink / downlink transmission capabilities, or are constituted by a combination of carriers having uplink transmission capabilities and downlink transmission capabilities. The carrier capabilities in the carrier list can constitute the transmission resources independently or in combination. The first transmission module 501 A second transmission module 502 for transmitting second indication information for instructing a signal quality threshold corresponding to a transmission resource in the transmission resource list or for instructing a signal quality threshold corresponding to a first carrier wave having an uplink transmission capability in the carrier wave list.

[0128] Optionally, when the first indication information is used to indicate the carrier wave list, the first carrier wave defaultly constitutes the second carrier wave and the transmission resource, and the second carrier wave is the carrier wave with the lowest frequency point among the carrier waves in the carrier wave list whose frequency point is equal to or higher than that of the first carrier wave and which have a downlink transmission capability.

[0129] Optionally, the selection criteria corresponding to each transmission resource are different, or the selection criteria corresponding to at least two of the transmission resources are the same.

[0130] Optionally, when the selection criteria corresponding to at least two of the transmission resources are the same, different priorities are set for the transmission resources corresponding to the same selection criteria.

[0131] Optionally, the priority is associated with the service type.

[0132] Optionally, the network-side device 500 Further includes a setting module for setting a carrier wave in the transmission resource list or the carrier wave list, where the uplink / downlink transmission capability of the carrier wave is determined by the setting operation.

[0133] Optionally, the setting operation An operation for setting the period of the frame structure, An operation for setting the uplink transmission time slot distribution of the carrier wave, An operation for setting the downlink transmission time slot distribution of the carrier wave, and includes at least one of them.

[0134] Optionally, the network-side device 500 further includes a third transmission module for transmitting third indication information for indicating the SSB index correspondence relationship between carriers in the transmission resource list.

[0135] Optionally, the network-side device 500 further includes a fourth transmission module for transmitting fourth indication information for indicating the cell ID information of carriers in the transmission resource list or the carrier list.

[0136] The network-side device 500 provided by the embodiments of the present disclosure may specifically be a network-side device using the resource indication method shown in FIG. 1, and the network-side device 500 can obtain beneficial effects similar to those of the method embodiments shown in FIG. 1, and detailed descriptions are omitted here.

[0137] Referring to FIG. 6, it is a structural diagram of a terminal device provided by the embodiments of the present disclosure. As shown in FIG. 6, the terminal device 600 includes a first receiving module 601 for receiving first indication information for indicating a transmission resource list or a carrier list, where the transmission resources in the transmission resource list are constituted by a single carrier having uplink / downlink transmission capabilities or are constituted by a combination of carriers having uplink transmission capabilities and downlink transmission capabilities, and the carrier capabilities in the carrier list can constitute the transmission resources independently or in combination, and the first receiving module 601; a second receiving module 602 for receiving second indication information for indicating a signal quality threshold corresponding to a transmission resource in the transmission resource list or a signal quality threshold corresponding to a first carrier having uplink transmission capabilities in the carrier list; a random access module 603 for selecting a target transmission resource in the transmission resources based on the signal quality threshold and performing data transmission related to random access.

[0138] Optionally, when the first indication information is used to indicate the carrier list, the first carrier defaults to form the second carrier and the transmission resource, and the second carrier is the carrier with the lowest frequency point among the carriers in the carrier list whose frequency point is greater than or equal to the frequency point of the first carrier and that has downlink transmission capability.

[0139] Optionally, the selection criteria corresponding to each transmission resource are different, or the selection criteria corresponding to at least two of the transmission resources are the same.

[0140] Furthermore, when the selection criteria corresponding to at least two of the transmission resources are the same, different priorities are set for the transmission resources corresponding to the same selection criteria.

[0141] Furthermore, the priority is associated with the service type.

[0142] Optionally, the terminal device 600 further includes a third receiving module for receiving third indication information for indicating the SSB index correspondence relationship between the carriers in the transmission resource list.

[0143] Optionally, the random access module 603 specifically When the second carrier selected by the terminal for random access is different from the first carrier for receiving the system message, based on the SSB index selected in the first carrier and the SSB index correspondence relationship between the first carrier and the second carrier, determine the SSB index of the second carrier corresponding to the SSB index in the first carrier, and based on the SSB index of the second carrier, determine the random access resource and use it for random access.

[0144] Optionally, the terminal device 600 It further includes a fourth receiving module for receiving fourth indication information for indicating cell ID information of a carrier wave in the transmission resource list or the carrier wave list.

[0145] Optionally, indicating the cell ID information of the carrier wave in the transmission resource list or the carrier wave list includes indicating a cell ID corresponding to a carrier wave deployed at the same site as the carrier wave for receiving the system message or sharing the system message.

[0146] The terminal device 600 provided by the embodiments of the present disclosure may specifically be a terminal device using the data transmission method shown in FIG. 4, and the terminal device 600 can obtain beneficial effects similar to those of the method embodiments shown in FIG. 4, and detailed descriptions are omitted here.

[0147] Referring to FIG. 7, it is a structural diagram of another network-side device provided by the embodiments of the present disclosure. As shown in FIG. 7, the network-side device includes a bus 701, a transceiver 702, an antenna 703, a bus interface 704, a processor 705, and a memory 706.

[0148] The transceiver 702 is used to transmit first indication information, the first indication information is used to indicate a transmission resource list or a carrier wave list, the transmission resources in the transmission resource list are constituted by a single carrier wave having uplink / downlink transmission capabilities or constituted by a combination of carrier waves having uplink transmission capabilities and downlink transmission capabilities, and the carrier wave capabilities in the carrier wave list can constitute the transmission resources independently or in combination.

[0149] The transceiver 702 is further used to transmit second indication information for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list or a signal quality threshold corresponding to a first carrier wave having uplink transmission capabilities in the carrier wave list.

[0150] In this embodiment, the network-side device can implement each process implemented by the network-side device in the method embodiment shown in FIG. 1, and has similar beneficial effects. To avoid duplication, detailed descriptions are omitted here.

[0151] In FIG. 7, the bus architecture is represented by bus 701. Bus 701 may include any number of interconnected buses and bridges. Bus 701 connects each circuit of one or more processors including processor 705 and memories including memory 706. Bus 701 further integrally connects various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art, and thus further descriptions thereof are omitted in this specification. Bus interface 704 provides an interface between bus 701 and transceiver 702. Transceiver 702 may be one element or multiple elements, for example, multiple receivers and transmitters that provide units for communicating with various other devices in a transmission medium. The data processed by processor 705 is transmitted in a wireless medium via antenna 703. Further, antenna 703 further receives the data and transmits the data to processor 705.

[0152] Processor 705 is used to manage normal processing on bus 701 and can also provide various functions including functions such as timing, peripheral interface, voltage regulation, power management, and other control functions. Memory 706 may be used to store data used when processor 705 executes operations.

[0153] Optionally, the processor 705 may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or a Complex Programmable Logic Device (CPLD).

[0154] Preferably, embodiments of the present disclosure further provide a network-side device, the network-side device including a processor 705, a memory 706, and a computer program stored in the memory 706 and executable by the processor 705. When the computer program is executed by the processor 705, each process of the resource indication method embodiment shown in FIG. 1 above is realized, and the same technical effects can be achieved. To avoid duplication, detailed description is omitted here.

[0155] Referring to FIG. 8, it is a structural diagram of another terminal device provided by an embodiment of the present disclosure. As shown in FIG. 8, the first user equipment includes a bus 801, a transceiver 802, an antenna 803, a bus interface 804, a processor 805, and a memory 806.

[0156] The transceiver 802 is used to receive first indication information for indicating a transmission resource list or a carrier list. The transmission resources in the transmission resource list are constituted by a single carrier having uplink / downlink transmission capabilities, or are constituted by a combination of carriers having uplink transmission capabilities and downlink transmission capabilities. The carrier capabilities in the carrier list can constitute the transmission resources independently or in combination.

[0157] The transceiver 802 is further used to receive second indication information for indicating a signal quality threshold corresponding to a transmission resource in the transmission resource list or for indicating a signal quality threshold corresponding to a first carrier having uplink transmission capability in the carrier list.

[0158] The processor 805 is used to select a target transmission resource in the transmission resource based on the signal quality threshold and perform data transmission related to random access.

[0159] Optionally, when the first indication information is used to indicate the carrier list, the first carrier defaults to constituting the second carrier and the transmission resource, and the second carrier is the carrier with the lowest frequency point among the carriers in the carrier list whose frequency point is greater than or equal to that of the first carrier and which have downlink transmission capability.

[0160] Optionally, the selection criteria corresponding to each transmission resource are different, or the selection criteria corresponding to at least two of the transmission resources are the same.

[0161] Furthermore, when the selection criteria corresponding to at least two of the transmission resources are the same, different priorities are set for the transmission resources corresponding to the same selection criteria.

[0162] Furthermore, the priority is associated with the service type.

[0163] Optionally, the transceiver 802 is further used to receive third indication information for indicating the SSB index correspondence relationship between the carriers in the transmission resource list.

[0164] Furthermore, the operation of selecting a target transmission resource in the transmission resource based on the signal quality threshold and performing data transmission related to random access, which is executed by the processor 805, When the second carrier wave randomly accessed by the selection of the terminal is different from the first carrier wave that receives the system message, based on the SSB index selected in the first carrier wave and the SSB index correspondence relationship between the first carrier wave and the second carrier wave, determine the SSB index of the second carrier wave corresponding to the SSB index in the first carrier wave, and control the transceiver 802 to determine the random access resource based on the SSB index of the second carrier wave and perform random access.

[0165] Optionally, the transceiver 802 is further used to receive fourth indication information for indicating the cell ID information of the carrier wave in the transmission resource list or the carrier wave list.

[0166] Furthermore, indicating the cell ID information of the carrier wave in the transmission resource list or the carrier wave list includes indicating the cell ID corresponding to the carrier wave deployed at the same site as the carrier wave receiving the system message or sharing the system message.

[0167] In this embodiment, the terminal device can implement each process realized by the terminal device in the method embodiment shown in FIG. 4, and has similar beneficial effects. To avoid duplication, detailed description is omitted here.

[0168] In FIG. 8, the bus architecture is represented by bus 801, which may include any number of interconnected buses and bridges. Bus 801 connects each circuit of one or more processors including processor 805 and memory including memory 806. Bus 801 further integrally connects various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well-known in the art and thus further description thereof is omitted herein. Bus interface 804 provides an interface between bus 801 and transceiver 802. Transceiver 802 may be one element or multiple elements, for example, a plurality of receivers and transmitters that provide units for communicating with various other devices in a transmission medium. Data processed by processor 805 is transmitted in a wireless medium via antenna 803. Further, antenna 803 further receives data and transmits the data to processor 805.

[0169] Processor 805 is used to manage normal processing of bus 801 and can also provide various functions including timing, peripheral interface, voltage regulation, power management, and other control functions. Memory 606 may be used to store data used when processor 805 executes operations.

[0170] Optionally, processor 805 may be a CPU, ASIC, FPGA, or CPLD.

[0171] Preferably, embodiments of the present disclosure further provide a first user implementation, the user implementation including processor 805, memory 806, and a computer program stored in memory 806 and executable on processor 805. When the computer program is executed by processor 805, each process of the data transmission method embodiment shown in FIG. 4 above is realized, and similar technical effects can be achieved. To avoid duplication, detailed description is omitted here.

[0172] Embodiments of the present disclosure further provide a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, each process of the embodiment of the resource indication method shown in FIG. 1 above is realized, or each process of the embodiment of the data transmission method shown in FIG. 4 above is realized, and the same technical effects can be achieved. To avoid duplication, detailed description is omitted here.

[0173] Here, the computer-readable storage medium may be, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0174] It should be noted that in this specification, terms such as "including", "comprising", or any other variation are intended to include non-exclusive inclusion. Thus, a process, method, article, or device that includes a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to this process, method, article, or device. Without further limitation, an element limited by "including one..." does not exclude the case where other similar elements are further included in the process, method, article, or device that includes the element.

[0175] From the description of the above embodiments, those skilled in the art can clearly understand that the above example method can be realized by adding a general-purpose hardware platform required for software. Of course, it can also be realized by hardware, but in many cases, the former is a better embodiment. Based on such an understanding, the part that essentially contributes to the related art of the technical solution of the present disclosure can be represented in the form of a software product. The computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk), and includes a plurality of instructions to cause a terminal (such as a mobile phone, computer, server, air conditioner, or network device) to execute the methods described in the embodiments of the present disclosure.

[0176] The above has described the embodiments of the present disclosure in accordance with the drawings. However, the present disclosure is not limited to the above specific embodiments, and the above specific embodiments are exemplary and not restrictive. Those skilled in the art can create various forms according to the suggestions of the present disclosure, as long as they do not deviate from the spirit of the present disclosure and the scope protected by the claims, and all these forms are included within the protection scope of the present disclosure.

Claims

1. A resource indication method, which is applied to a network-side device, and the resource indication method includes: A step of setting a carrier wave in a transmission resource list or a carrier wave list, where the uplink / downlink transmission capability of the carrier wave is determined by a setting operation, and the setting operation includes: The downlink transmission time slot distribution of the carrier wave is set in all time slots within a frame structure period, and the uplink transmission time slot distribution is set in all time slots within the period; The downlink transmission time slot distribution of the carrier wave is set on the time slot starting from the start time slot of the frame structure period, and the uplink transmission time slot distribution is set on the time slots other than the downlink transmission time slots; The downlink transmission time slot distribution of the carrier wave is set on all time slots within a frame structure period, and all time slots are not used for uplink transmission; The uplink transmission time slot distribution of the carrier wave is set in all time slots within a frame structure period, and all time slots are not used for downlink transmission, including any one of the above steps; A step of transmitting first indication information, where the first indication information is used to indicate the transmission resource list or the carrier wave list, the transmission resources in the transmission resource list are composed of a single carrier wave having uplink / downlink transmission capabilities, or the transmission resources in the transmission resource list are composed of a combination of carrier waves having uplink transmission capabilities and downlink transmission capabilities, and the carrier waves in the carrier wave list can constitute the transmission resources independently or in combination; A step of transmitting second indication information for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list or a signal quality threshold corresponding to a first carrier wave having uplink transmission capabilities in the carrier wave list. A resource indication method.

2. The resource indication method is used in a random access process. The resource indication method according to Claim 1.

3. When the first indication information is used to indicate the carrier list, the first carrier defaults to constituting the transmission resource with the second carrier, and the second carrier is the carrier in the carrier list with the lowest frequency point among the carriers whose frequency points are greater than or equal to the frequency point of the first carrier and which have downlink transmission capabilities. The resource indication method according to claim 1.

4. The selection criteria corresponding to each transmission resource are different, or the selection criteria corresponding to at least two of the transmission resources are the same. The resource indication method according to claim 1.

5. When the selection criteria corresponding to at least two of the transmission resources are the same, different priorities are set for the transmission resources corresponding to the same selection criteria. The resource indication method according to claim 4.

6. The priority is associated with the service type. The resource indication method according to claim 5.

7. The resource indication method is further including the step of transmitting third indication information for indicating the synchronization signal / physical broadcast channel signal block (SSB) index correspondence relationship between carriers in the transmission resource list. The resource indication method according to claim 1.

8. The resource indication method is further including the step of transmitting fourth indication information for indicating the cell ID information of the carriers in the transmission resource list or the carrier list. The resource indication method according to claim 1.

9. A data transmission method, which is applied to a terminal device, and the data transmission method is a step of setting carriers in a transmission resource list or a carrier list, wherein the uplink / downlink transmission capabilities of the carriers are determined by a setting operation, and the setting operation is the downlink transmission time slot distribution of the carrier is set in all slots within the frame structure period, and the uplink transmission time slot distribution is set in all slots within the period, and the downlink transmission time slot distribution of the carrier is set on the slot starting from the start slot of the frame structure period, and the uplink transmission time slot distribution is set on the slots other than the downlink transmission time slots. The downlink transmission time slot distribution of the carrier wave is set on all slots within the frame structure period, and all slots are not used for uplink transmission, and The uplink transmission time slot distribution of the carrier wave is set on all slots within the frame structure period, and all slots are not used for downlink transmission, and a step including any one of them; Receiving first indication information for indicating the transmission resource list or the carrier wave list, wherein the transmission resources in the transmission resource list are composed of a single carrier wave having uplink / downlink transmission capabilities, or the transmission resources in the transmission resource list are composed of a combination of carrier waves having uplink transmission capabilities and downlink transmission capabilities, and the carrier waves in the carrier wave list can constitute the transmission resources independently or in combination; Receiving second indication information for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list or for indicating a signal quality threshold corresponding to a first carrier wave having uplink transmission capabilities in the carrier wave list; Selecting target transmission resources in the transmission resources based on the signal quality threshold and performing data transmission related to random access; A data transmission method.

10. When the first indication information is used to indicate the carrier wave list, the first carrier wave constitutes the transmission resources with a second carrier wave by default, and the second carrier wave is the carrier wave in the carrier wave list whose frequency point is equal to or higher than that of the first carrier wave and has the lowest frequency point among the carrier waves with downlink transmission capabilities. The data transmission method according to claim 9.

11. The selection criteria corresponding to each transmission resource are different, or the selection criteria corresponding to at least two of the transmission resources are the same. The data transmission method according to claim 9.

12. When the selection criteria corresponding to at least two of the transmission resources are the same, different priorities are set for the transmission resources corresponding to the same selection criteria. The data transmission method according to claim 11.

13. The priority is associated with the service type. The data transmission method according to claim 12.

14. Further comprising the step of receiving third indication information for indicating the synchronization signal / physical broadcast channel signal block (SSB) index correspondence relationship between carriers in the transmission resource list. The data transmission method according to claim 9.

15. Based on the signal quality threshold, the step of selecting a target transmission resource in the transmission resources and performing data transmission related to random access includes: When the second carrier selected by the terminal device for random access is different from the first carrier for receiving the system message, based on the SSB index selected in the first carrier and the SSB index correspondence relationship between the first carrier and the second carrier, determining the SSB index of the second carrier corresponding to the SSB index in the first carrier, and based on the SSB index of the second carrier, determining a random access resource and performing random access. The data transmission method according to claim 14.

16. Further comprising the step of receiving fourth indication information for indicating the cell ID information of the carrier in the transmission resource list or the carrier list. The data transmission method according to claim 9.

17. The step of indicating the cell ID information of the carrier in the transmission resource list or the carrier list includes: Indicating the cell ID corresponding to the carrier deployed at the same site as the carrier for receiving the system message or sharing the system message. The data transmission method according to claim 16.

18. A network-side device, A setting module configured to set carriers in a transmission resource list or a carrier list, wherein the uplink / downlink transmission capability of the carrier is determined by a setting operation, and the setting operation includes: The downlink transmission time slot distribution of the carrier is set in all slots within the frame structure period, and the uplink transmission time slot distribution is set in all slots within the period. The downlink transmission time slot distribution of the carrier is set on the slot starting from the start slot of the frame structure period, and the uplink transmission time slot distribution is set on the slots other than the downlink transmission time slots. The downlink transmission time slot distribution of the carrier wave is set on all slots within the frame structure period, and all slots are not used for uplink transmission, and a setting module including either one of: the uplink transmission time slot distribution of the carrier wave is set on all slots within the frame structure period, and all slots are not used for downlink transmission; a first transmission module for transmitting first indication information, wherein the first indication information is used to indicate the transmission resource list or the carrier wave list, the transmission resources in the transmission resource list are constituted by a single carrier wave having uplink / downlink transmission capabilities, or the transmission resources in the transmission resource list are constituted by a combination of carrier waves having uplink transmission capabilities and downlink transmission capabilities, and the carrier waves in the carrier wave list can constitute the transmission resources independently or in combination; a second transmission module for transmitting second indication information, wherein the second indication information is used to indicate a signal quality threshold corresponding to the transmission resources in the transmission resource list, or the second indication information is used to indicate a signal quality threshold corresponding to a first carrier wave having uplink transmission capabilities in the carrier wave list; A network-side device.

19. A terminal device, comprising a setting module configured to set a carrier wave in a transmission resource list or a carrier wave list, wherein the uplink / downlink transmission capabilities of the carrier wave are determined by a setting operation, and the setting operation is the downlink transmission time slot distribution of the carrier wave is set on all slots within the frame structure period, and the uplink transmission time slot distribution is set on all slots within the period; the downlink transmission time slot distribution of the carrier wave is set on the slot starting from the starting slot of the frame structure period, and the uplink transmission time slot distribution is set on slots other than the downlink transmission time slots; the downlink transmission time slot distribution of the carrier wave is set on all slots within the frame structure period, and all slots are not used for uplink transmission; The uplink transmission time slot distribution of the transport wave is set in all slots within the frame structure period, and the setting module includes any one of the following: all slots are not used for downlink transmission; A first receiving module for receiving first indication information for indicating the transmission resource list or the carrier list, wherein the transmission resources in the transmission resource list are constituted by a single carrier having uplink / downlink transmission capabilities, or the transmission resources in the transmission resource list are constituted by a combination of carriers having uplink transmission capabilities and downlink transmission capabilities, and the carriers in the carrier list can constitute the transmission resources independently or in combination; A second receiving module for receiving second indication information for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list or for indicating a signal quality threshold corresponding to a first carrier having uplink transmission capabilities in the carrier list; A random access module for selecting target transmission resources in the transmission resources based on the signal quality threshold and performing data transmission related to random access; A terminal device.

20. A network-side device, including a processor, a transceiver, and a setting module, The transceiver is used for transmitting the first indication information, and the first indication information is used for indicating a transmission resource list or a carrier list. The transmission resources in the transmission resource list are constituted by a single carrier having uplink / downlink transmission capabilities, or the transmission resources in the transmission resource list are constituted by a combination of carriers having uplink transmission capabilities and downlink transmission capabilities. The carriers in the carrier list can constitute the transmission resources independently or in combination. The transceiver is further used for transmitting the second indication information, and the second indication information is used for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list, or the second indication information is used for indicating a signal quality threshold corresponding to a first carrier having uplink transmission capabilities in the carrier list. The setting module is configured to set a carrier wave in a transmission resource list or a carrier wave list, and the uplink / downlink transmission capability of the carrier wave is determined by a setting operation, and the setting operation is the downlink transmission time slot distribution of the carrier wave is set in all slots within a frame structure period, and the uplink transmission time slot distribution is set in all slots within the period, the downlink transmission time slot distribution of the carrier wave is set on the slot starting from the starting slot of the frame structure period, and the uplink transmission time slot distribution is set on slots other than the downlink transmission time slots, the downlink transmission time slot distribution of the carrier wave is set on all slots within a frame structure period, and all slots are not used for uplink transmission, the uplink transmission time slot distribution of the carrier wave is set in all slots within a frame structure period, and all slots are not used for downlink transmission, including any one of the above. Network-side device.

21. A terminal device, including a processor, a transceiver, and a setting module, the transceiver is used to receive first indication information for indicating a transmission resource list or a carrier wave list, and the transmission resources in the transmission resource list are composed of a single carrier wave having uplink / downlink transmission capabilities, or the transmission resources in the transmission resource list are composed of a combination of carrier waves having uplink transmission capabilities and downlink transmission capabilities, and the carrier waves in the carrier wave list can constitute the transmission resources independently or in combination, the transceiver is further used to receive second indication information for indicating a signal quality threshold corresponding to the transmission resources in the transmission resource list or a signal quality threshold corresponding to a first carrier wave having uplink transmission capabilities in the carrier wave list, the processor is used to select a target transmission resource in the transmission resources based on the signal quality threshold and perform data transmission related to random access. The setting module is configured to set a carrier wave in a transmission resource list or a carrier wave list, and an uplink / downlink transmission capability of the carrier wave is determined by a setting operation, and the setting operation is the downlink transmission time slot distribution of the carrier wave is set in all slots within a frame structure period, and the uplink transmission time slot distribution is set in all slots within the period; the downlink transmission time slot distribution of the carrier wave is set on the slot starting from the start slot of the frame structure period, and the uplink transmission time slot distribution is set on slots other than the downlink transmission time slots; the downlink transmission time slot distribution of the carrier wave is set on all slots within a frame structure period, and all slots are not used for uplink transmission; the uplink transmission time slot distribution of the carrier wave is set in all slots within a frame structure period, and all slots are not used for downlink transmission, including any one of the above. Terminal device. Claim 22 A network-side device, including a processor, a memory, and a computer program stored in the memory and executable by the processor, and when the computer program is executed by the processor, the steps of the resource indication method according to any one of Claims 1 to 8 are realized. Network-side device. Claim 23 A terminal device, including a processor, a memory, and a computer program stored in the memory and executable by the processor, and when the computer program is executed by the processor, the steps of the data transmission method according to any one of Claims 9 to 17 are realized. Terminal device. Claim 24 A computer-readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the steps of the resource indication method according to any one of Claims 1 to 8 are realized, or the steps of the data transmission method according to any one of Claims 9 to 17 are realized. Computer-readable storage medium.

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