Information acquisition method and device, information transmission method and device, terminal and network equipment

Abstract

Provided are an information acquisition and transmission method and apparatus, a terminal and a network device, the method being executed by a first terminal, the method comprising: acquiring target indication information, the target indication information being used for indicating whether to use direct communication interface carrier aggregation and / or a carrier aggregation transmission mode of a direct communication interface. According to the scheme, by acquiring the carrier aggregation related information of the direct communication interface, the terminal or the network equipment serving the terminal can be assisted in determining whether carrier aggregation is used or not and / or whether data of one bearer is allowed to be transmitted through a plurality of carriers or not when direct communication interface resources are allocated for the terminal.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to an information acquisition and transmission method, device, terminal and network equipment. Background Art

[0002] In order to improve the peak rate of the direct communication interface, a carrier aggregation (CA) mechanism is introduced in the direct communication interface (Sidelink, SL). The fifth generation (5G) mobile communication new air interface (NewRadio, NR) Rel-18 version and before Rel-18 version only support one direct communication interface carrier, but in order to meet the high peak rate requirements of the service in subsequent versions, multiple carriers need to be introduced in the direct communication interface. This will cause the following problem: different terminals for direct communication may support different protocol versions. For example, the sending terminal supports SL CA, but its corresponding receiving terminal does not support SL CA. Therefore, it is necessary to consider how to assist the terminal or the network equipment serving the terminal to determine whether to use carrier aggregation and / or whether to allow the data of a bearer to be transmitted through multiple carriers when allocating direct communication interface resources for the terminal. Summary of the invention

[0003] The embodiments of the present application provide an information acquisition and transmission method, apparatus, terminal and network equipment, which can assist a terminal or a network equipment serving a terminal in determining whether to use carrier aggregation when allocating direct communication interface resources to the terminal and / or whether to allow data of one bearer to be transmitted through multiple carriers.

[0004] In order to solve the above technical problem, an embodiment of the present application provides an information acquisition method, which is executed by a first terminal and includes:

[0005] Target indication information is acquired, where the target indication information is used to indicate whether to use direct communication interface carrier aggregation and / or a carrier aggregation transmission mode of the direct communication interface.

[0006] Optionally, the acquiring target indication information includes:

[0007] receiving transmission configuration information from a high layer of the first terminal, where the transmission configuration information carries first indication information, and the first indication information is the target indication information; or,

[0008] receiving terminal capability information from a second terminal, wherein the terminal capability information carries second indication information, and the second indication information is the target indication information;

[0009] The first indication information includes at least one of the following:

[0010] whether the first terminal uses direct communication interface carrier aggregation when performing data transmission for the first target object;

[0011] A carrier aggregation transmission mode of a direct communication interface used by the first terminal when performing data transmission for the first target object;

[0012] The second indication information includes at least one of the following:

[0013] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0014] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0015] The second terminal is a direct communication peer of the first terminal, and the first target object includes: a layer 2 address L2ID or a service identifier or a quality of service attribute.

[0016] Optionally, whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following:

[0017] Indicated by 1 bit;

[0018] Indicated by frequency band combination.

[0019] Optionally, when the first indication information includes a carrier aggregation transmission mode of a direct communication interface used by the first terminal to perform data transmission for the first target object, the carrier aggregation transmission mode includes at least one of the following:

[0020] A first target object can only be transmitted on one target resource;

[0021] A first target object allows transmission on multiple target resources;

[0022] The target resource includes: a carrier or a bandwidth part.

[0023] Optionally, when the carrier aggregation transmission mode includes that a first target object can only be transmitted on one target resource, the first indication information also includes: a target resource corresponding to the first target object.

[0024] Optionally, when the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following:

[0025] A second target object can only be transmitted on one target resource;

[0026] A second target object allows transmission on multiple target resources;

[0027] The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

[0028] Optionally, when the carrier aggregation transmission mode includes that a second target object can only be transmitted on one target resource, the second indication information also includes: the target resource corresponding to the second target object.

[0029] Optionally, the method further includes:

[0030] Sending third indication information to the network device, where the third indication information includes at least one of the following:

[0031] Direct communication interface target L2 ID;

[0032] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0033] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0034] a carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal;

[0035] Terminal capability information of the second terminal.

[0036] Optionally, the method further includes:

[0037] Direct communication interface resource selection is performed according to the transmission configuration information or the terminal capability information.

[0038] Optionally, if the target indication information indicates that the first target object does not use direct communication interface carrier aggregation, the target indication information is also used to indicate the target resources used by the control information and / or direct communication interface data corresponding to the first target object of the direct communication interface;

[0039] The target resource includes: a carrier or a bandwidth part.

[0040] The embodiment of the present application also provides an information acquisition method, which is executed by a network device and includes:

[0041] Receive third indication information sent by the first terminal, where the third indication information includes at least one of the following:

[0042] Direct communication interface target layer 2 address L2 ID;

[0043] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0044] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0045] The carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal, the first target object comprising: a layer 2 address L2 ID or a service identifier or a quality of service attribute;

[0046] Terminal capability information of a second terminal, where the second terminal is a direct communication peer of the first terminal.

[0047] Optionally, whether to use direct communication interface carrier aggregation is indicated by at least one of the following:

[0048] Indicated by 1 bit;

[0049] Indicated by band combination.

[0050] Optionally, the carrier aggregation transmission mode includes at least one of the following:

[0051] A first target object can only be transferred in one target resource;

[0052] A first target object allows transmission among multiple target resources;

[0053] The target resource includes: a carrier or a bandwidth part.

[0054] Optionally, the method further includes:

[0055] Selecting a direct communication interface resource for the first terminal according to the third indication information.

[0056] The embodiment of the present application further provides an information transmission method, which is executed by a second terminal, including:

[0057] Sending terminal capability information to the first terminal, where the terminal capability information carries second indication information;

[0058] The second indication information includes at least one of the following:

[0059] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0060] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0061] The second terminal is a direct communication counterpart of the first terminal.

[0062] Optionally, whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following:

[0063] Indicated by 1 bit;

[0064] Indicated by frequency band combination.

[0065] Optionally, when the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following:

[0066] A second target object can only be transmitted on one target resource;

[0067] A second target object allows transmission on multiple target resources;

[0068] The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

[0069] Optionally, when the carrier aggregation transmission mode includes that a second target object can only be transmitted on one target resource, the second indication information also includes: the target resource corresponding to the second target object.

[0070] The embodiment of the present application further provides a terminal, which is a first terminal and includes a memory, a transceiver, and a processor:

[0071] A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

[0072] Target indication information is acquired, where the target indication information is used to indicate whether to use direct communication interface carrier aggregation and / or a carrier aggregation transmission mode of the direct communication interface.

[0073] Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

[0074] receiving transmission configuration information from a high layer of the first terminal, where the transmission configuration information carries first indication information, and the first indication information is the target indication information; or,

[0075] receiving terminal capability information from a second terminal, wherein the terminal capability information carries second indication information, and the second indication information is the target indication information;

[0076] The first indication information includes at least one of the following:

[0077] whether the first terminal uses direct communication interface carrier aggregation when performing data transmission for the first target object;

[0078] A carrier aggregation transmission mode of a direct communication interface used by the first terminal when performing data transmission for the first target object;

[0079] The second indication information includes at least one of the following:

[0080] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0081] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0082] The second terminal is a direct communication peer of the first terminal, and the first target object includes: a layer 2 address L2ID or a service identifier or a service quality attribute.

[0083] Optionally, whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following:

[0084] Indicated by 1 bit;

[0085] Indicated by frequency band combination.

[0086] Optionally, when the first indication information includes a carrier aggregation transmission mode of a direct communication interface used by the first terminal to perform data transmission for the first target object, the carrier aggregation transmission mode includes at least one of the following:

[0087] A first target object can only be transmitted on one target resource;

[0088] A first target object allows transmission on multiple target resources;

[0089] The target resource includes: a carrier or a bandwidth part.

[0090] Optionally, when the carrier aggregation transmission mode includes that a first target object can only be transmitted on one target resource, the first indication information also includes: a target resource corresponding to the first target object.

[0091] Optionally, when the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following:

[0092] A second target object can only be transmitted on one target resource;

[0093] A second target object allows transmission on multiple target resources;

[0094] The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

[0095] Optionally, when the carrier aggregation transmission mode includes that a second target object can only be transmitted on one target resource, the second indication information also includes: the target resource corresponding to the second target object.

[0096] Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

[0097] Sending third indication information to the network device through the transceiver, wherein the third indication information includes at least one of the following:

[0098] Direct communication interface target L2 ID;

[0099] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0100] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0101] a carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal;

[0102] Terminal capability information of the second terminal.

[0103] Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

[0104] Direct communication interface resource selection is performed according to the transmission configuration information or the terminal capability information.

[0105] Optionally, if the target indication information indicates that the first target object does not use direct communication interface carrier aggregation, the target indication information is also used to indicate the target resources used by the control information and / or direct communication interface data corresponding to the first target object of the direct communication interface;

[0106] The target resource includes: a carrier or a bandwidth part.

[0107] The embodiment of the present application also provides a network device, including a memory, a transceiver, and a processor:

[0108] A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

[0109] The third indication information sent by the first terminal is received by the transceiver, where the third indication information includes at least one of the following:

[0110] Direct communication interface target layer 2 address L2 ID;

[0111] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0112] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0113] The carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal, the first target object comprising: a layer 2 address L2 ID or a service identifier or a quality of service attribute;

[0114] Terminal capability information of a second terminal, where the second terminal is a direct communication peer of the first terminal.

[0115] Optionally, whether to use direct communication interface carrier aggregation is indicated by at least one of the following:

[0116] Indicated by 1 bit;

[0117] Indicated by band combination.

[0118] Optionally, the carrier aggregation transmission mode includes at least one of the following:

[0119] A first target object can only be transferred in one target resource;

[0120] A first target object allows transmission among multiple target resources;

[0121] The target resource includes: a carrier or a bandwidth part.

[0122] Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

[0123] Selecting a direct communication interface resource for the first terminal according to the third indication information.

[0124] The embodiment of the present application further provides a terminal, which is a second terminal and includes a memory, a transceiver, and a processor:

[0125] A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

[0126] Sending terminal capability information to the first terminal through a transceiver, wherein the terminal capability information carries second indication information;

[0127] The second indication information includes at least one of the following:

[0128] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0129] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0130] The second terminal is a direct communication counterpart of the first terminal.

[0131] Optionally, whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following:

[0132] Indicated by 1 bit;

[0133] Indicated by frequency band combination.

[0134] Optionally, when the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following:

[0135] A second target object can only be transmitted on one target resource;

[0136] A second target object allows transmission on multiple target resources;

[0137] The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

[0138] Optionally, when the carrier aggregation transmission mode includes that a second target object can only be transmitted on one target resource, the second indication information also includes: the target resource corresponding to the second target object.

[0139] The embodiment of the present application further provides an information acquisition device, applied to a first terminal, including:

[0140] The acquisition unit is used to acquire target indication information, where the target indication information is used to indicate whether to use direct communication interface carrier aggregation and / or a carrier aggregation transmission mode of the direct communication interface.

[0141] The embodiment of the present application also provides an information acquisition device, which is applied to a network device, including:

[0142] A receiving unit, configured to receive third indication information sent by the first terminal, where the third indication information includes at least one of the following:

[0143] Direct communication interface target layer 2 address L2 ID;

[0144] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0145] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0146] The carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal, the first target object comprising: a layer 2 address L2 ID or a service identifier or a quality of service attribute;

[0147] Terminal capability information of a second terminal, where the second terminal is a direct communication peer of the first terminal.

[0148] The embodiment of the present application further provides an information transmission device, applied to a second terminal, including:

[0149] A first sending unit, configured to send terminal capability information to a first terminal, wherein the terminal capability information carries second indication information;

[0150] The second indication information includes at least one of the following:

[0151] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0152] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0153] The second terminal is a direct communication counterpart of the first terminal.

[0154] An embodiment of the present application further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the above method.

[0155] The beneficial effects of this application are:

[0156] The above scheme, by obtaining information related to direct communication interface carrier aggregation, can assist the terminal or the network equipment serving the terminal in determining whether to use carrier aggregation when allocating direct communication interface resources to the terminal and / or whether to allow the data of one bearer to be transmitted through multiple carriers. BRIEF DESCRIPTION OF THE DRAWINGS

[0157] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0158] Figure 1 A structural diagram showing a network system applicable to an embodiment of the present application;

[0159] Figure 2 A schematic diagram showing a flow chart of the information acquisition method according to an embodiment of the present application;

[0160] Figure 3 A flow chart showing application scenario 1;

[0161] Figure 4 A flow chart showing application scenario 2;

[0162] Figure 5 A flow chart showing application scenario three;

[0163] Figure 6 A flow chart showing application scenario 4;

[0164] Figure 7 A second flowchart of the information acquisition method according to an embodiment of the present application is shown;

[0165] Figure 8 One of the unit schematic diagrams showing the information acquisition device according to an embodiment of the present application;

[0166] Fig. 9 A structural diagram showing a terminal according to an embodiment of the present application;

[0167] Fig.10 A second schematic diagram showing a unit of the information acquisition device according to an embodiment of the present application;

[0168] Fig.11 A structural diagram showing a network device according to an embodiment of the present application;

[0169] Fig.12 A schematic diagram showing a flow chart of an information transmission method according to an embodiment of the present application;

[0170] Fig.13 A unit schematic diagram showing an information transmission device according to an embodiment of the present application. DETAILED DESCRIPTION

[0171] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0172] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein, for example, are implemented in a sequence other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, the process, method, system, product or equipment comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0173] In the embodiments of the present application, the term "and / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent three situations: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. In the embodiments of the present application, the term "plurality" refers to two or more than two, and other quantifiers are similar.

[0174] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0175] The relevant concepts mentioned in this application are briefly described below.

[0176] Traditional wireless communication uses cellular network communication, that is, the terminal and network equipment transmit uplink and downlink data / control information through the Uu interface.

[0177] Direct communication refers to the method by which adjacent terminals can transmit data in a short distance through a direct communication link (also called Sidelink or PC5 link or side link or bypass, referred to as SL). The wireless interface corresponding to Sidelink is called a direct communication interface (also called Sidelink interface or PC5 interface or side link interface or bypass interface).

[0178] Different terminals for direct communication may support different protocol versions. For example, if a sending terminal supports SL CA, its corresponding receiving terminal may or may not support SL CA. Even if both the sending and receiving terminals support the use of SL CA, the SLCA modes they support may be different. Therefore, it is necessary to consider how to assist the terminal or the network equipment serving the terminal to determine whether to use carrier aggregation and / or whether to allow the data of a bearer to be transmitted through multiple carriers when allocating direct communication interface resources for the terminal.

[0179] See also Figure 1 , Figure 1 is a structural diagram of a network system to which the embodiments of the present application can be applied, such as Figure 1 As shown, it includes a user terminal 11 and a base station 12, wherein the user terminal 11 may be a user equipment (UE), for example, it may be a terminal side device such as a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (PDA for short), a mobile Internet device (Mobile Internet Device, MID) or a wearable device (Wearable Device). It should be noted that the specific type of the user terminal 11 is not limited in the embodiment of the present application. The above-mentioned base station 12 may be a base station of 5G and later versions (for example: gNB, 5G NR NB), or a base station in other communication systems or a gateway station supporting satellite communication, or referred to as a node B. It should be noted that in the embodiment of the present application, only a 5G base station is taken as an example, but the specific type of the base station 12 is not limited.

[0180] The following is an introduction to the embodiments of the present application in conjunction with the accompanying drawings. The information acquisition and transmission methods, devices, terminals, and network devices provided in the embodiments of the present application can be applied to wireless communication systems. The wireless communication system can be a system using the fifth generation (5th Generation, 5G) mobile communication technology (hereinafter referred to as a 5G system). Those skilled in the art can understand that the 5G NR system is only an example and is not a limitation.

[0181] The embodiments of the present application provide an information acquisition and transmission method, apparatus, terminal and network equipment, so as to assist a terminal or a network equipment serving a terminal in determining whether to use carrier aggregation and / or whether to allow data of one bearer to be transmitted through multiple carriers when allocating direct communication interface resources to the terminal.

[0182] Among them, the method and the device are based on the same application concept. Since the method and the device solve the problem in a similar principle, the implementation of the device and the method can refer to each other, and the repeated parts will not be repeated.

[0183] like Figure 2 As shown, an embodiment of the present application provides an information acquisition method, which is executed by a first terminal and includes:

[0184] Step S201, obtaining target indication information;

[0185] It should be noted that the target indication information is used to indicate whether to use direct communication interface carrier aggregation and / or direct communication interface carrier aggregation transmission mode. The target indication information can be understood as indicating direct communication interface carrier aggregation related information.

[0186] It should be noted that the embodiments of the present application can assist the terminal or the network device serving the terminal in determining whether to use carrier aggregation when allocating direct communication interface resources to the terminal and / or whether to allow the data of one bearer to be transmitted through multiple carriers by obtaining information related to direct communication interface carrier aggregation.

[0187] Optionally, the first terminal mentioned in the embodiment of the present application refers to a direct communication sending terminal.

[0188] Optionally, in one implementation, the specific implementation of obtaining the target indication information includes one of the following:

[0189] A11. Receive transmission configuration information from a high layer of the first terminal, where the transmission configuration information carries first indication information, and the first indication information is the target indication information;

[0190] Optionally, the high layer may be, for example, a vehicle to everything (V2X) layer or a ProSe layer or a direct communication interface signaling (PC5-S) layer. The transmission configuration information is configured based on a direct communication interface target layer 2 address (L2 ID).

[0191] That is to say, in this case, the target indication information is obtained from the transmission configuration information sent by the high layer of the first terminal. Generally speaking, the first indication information is used to indicate the relevant information of the direct communication interface carrier aggregation of the first terminal itself.

[0192] Optionally, in an implementation manner, the first indication information includes at least one of the following:

[0193] A111: whether the first terminal uses direct communication interface carrier aggregation (SL CA) when performing data transmission for the first target object;

[0194] Optionally, the first target object includes: L2 ID or service identifier or service quality attribute (QoS profile); optionally, the L2 ID may be a target L2 ID of the direct communication interface or a combination of a source L2 ID and a target L2 ID of the direct communication interface.

[0195] It should be noted that this situation can be understood as the first indication information being used to indicate the capability of the first terminal to perform direct communication interface carrier aggregation when performing data transmission. It may use direct communication interface carrier aggregation or not.

[0196] Optionally, in one implementation manner, whether to use direct communication interface carrier aggregation is indicated by at least one of the following:

[0197] A1111, indicated by 1 bit;

[0198] For example, a bit value of 0 indicates that SL CA is not used, and a bit value of 1 indicates that SL CA is used; or a bit value of 1 indicates that SL CA is not used, and a bit value of 0 indicates that SL CA is used.

[0199] A1112, indicated by band combination;

[0200] For example, if at least one bandcombination includes two or more carriers or bandwidth parts (BWPs), it means that SL CA is used; otherwise, it means that SL CA is not used.

[0201] A112, a carrier aggregation transmission mode of a direct communication interface used by the first terminal when performing data transmission for the first target object;

[0202] It should be noted that this situation can be understood as the first indication information being used to indicate the capability of the carrier aggregation transmission mode of the direct communication interface when the first terminal performs data transmission. Optionally, in one implementation, the carrier aggregation transmission mode includes at least one of the following:

[0203] A1121. A first target object can only be transmitted on one target resource;

[0204] Optionally, the target resource includes: a carrier or a BWP.

[0205] It should be noted that, in this case, it can be understood that when the first terminal performs data transmission for the first target object, a first target object can only be transmitted on one target resource, for example, the data corresponding to an L2 ID can only be transmitted on one carrier; for example, the data corresponding to a service identifier can only be transmitted on one BWP; for example, the data corresponding to a QoS profile can only be transmitted on one carrier.

[0206] Optionally, in this case, the first indication information may further include: a target resource corresponding to the first target object. Typically, the target resource may be identified by a specific frequency point of the resource or a resource number or a resource index.

[0207] A1122. A first target object allows transmission on multiple target resources.

[0208] It should be noted that, in this case, it can be understood that when the first terminal performs data transmission for the first target object, the data corresponding to a first target object can be transmitted on multiple (two or more) target resources, for example, the data corresponding to an L2 ID can be transmitted on two carriers; for example, the data corresponding to a service identifier can be transmitted on three BWPs; for example, the data corresponding to a QoS profile can be transmitted on two carriers.

[0209] A12. Receive terminal capability information from a second terminal, where the terminal capability information carries second indication information, and the second indication information is the target indication information;

[0210] That is to say, in this case, the target indication information is obtained from the terminal capability information sent by the second terminal. Generally speaking, the second indication information is used to indicate the relevant information of the direct communication interface carrier aggregation of the second terminal.

[0211] Optionally, in an implementation manner, the second indication information includes at least one of the following:

[0212] A121. Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0213] It should be noted here that the second terminal is a direct communication counterpart of the first terminal.

[0214] It should be noted that this situation can be understood as the second indication information being used to indicate whether the second terminal supports the capability of direct communication interface carrier aggregation when performing data transmission. It may support direct communication interface carrier aggregation or may not support direct communication interface carrier aggregation; that is, the second terminal may support direct communication interface carrier aggregation, which can be understood as the terminal capability of the second terminal supporting direct communication interface carrier aggregation, and the second terminal may not support direct communication interface carrier aggregation, which can be understood as the terminal capability of the second terminal not supporting direct communication interface carrier aggregation.

[0215] Optionally, in one implementation, whether direct communication interface carrier aggregation is supported is indicated by at least one of the following:

[0216] A1211, indicated by 1 bit;

[0217] For example, if the bit value is 0, it indicates that SL CA is not supported, and if the bit value is 1, it indicates that SL CA is supported; or, if the bit value is 1, it indicates that SL CA is not supported, and if the bit value is 0, it indicates that SL CA is supported.

[0218] A1212, indicated by frequency band combination;

[0219] For example, if at least one bandcombination includes two or more carriers or BWPs, it indicates that SL CA is supported; otherwise, it indicates that SL CA is not supported.

[0220] A122. a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal;

[0221] It should be noted that this situation can be understood as the second indication information being used to indicate the capability of the carrier aggregation transmission mode of the direct communication interface when the second terminal performs data transmission. That is, the second indication information refers to which carrier aggregation transmission mode is supported by the terminal capability of the second terminal.

[0222] Optionally, in an implementation manner, the carrier aggregation transmission mode includes at least one of the following:

[0223] A1221. A second target object can only be transmitted on one target resource;

[0224] Optionally, the second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a BWP.

[0225] It should be noted that, in this case, it can be understood that the terminal capability of the second terminal only supports that a second target object can only be transmitted on one target resource, for example, an L2 ID can only be transmitted on one carrier; for example, a service identifier can only be transmitted on one BWP; for example, a QoS profile can only be transmitted on one carrier; for example, a direct communication interface logical channel can only be transmitted on one BWP.

[0226] Optionally, in one implementation, the second indication information may further include: a target resource corresponding to the second target object. Typically, the target resource is identified by a resource number or a resource index.

[0227] A1222. A second target object allows transmission on multiple target resources;

[0228] It should be noted that, in this case, it can be understood that the terminal capability of the second terminal supports that the data corresponding to a second target object can be transmitted on multiple (two or more) target resources, for example, the data corresponding to an L2 ID can be transmitted on two carriers; for example, the data corresponding to a service identifier can be transmitted on three BWPs; for example, the data corresponding to a QoS profile can be transmitted on two carriers; for example, the data corresponding to a direct communication interface logical channel can be transmitted on three BWPs.

[0229] Optionally, if the target indication information indicates that the first target object does not use direct communication interface carrier aggregation, the target indication information is also used to indicate the target resources used by the control information and / or direct communication interface data corresponding to the first target object of the direct communication interface;

[0230] The target resource includes: a carrier or a bandwidth part.

[0231] It should be noted that the control information corresponding to the first target object of the direct communication interface can be direct communication interface signaling (PC5-Signaling, PC5-S) or direct communication interface radio resource control (PC5-RRC) signaling. The data corresponding to the first target object of the direct communication interface can be the service data to be transmitted by the first target object.

[0232] This situation can be understood as, if the terminal does not use (that is, the first terminal does not use, or the capabilities of the second terminal do not support) direct communication interface carrier aggregation, it is necessary to determine the carrier or bandwidth part for transmitting the control information and / or direct communication interface data corresponding to the first target object of the direct communication interface to ensure accurate allocation of direct communication interface resources.

[0233] That is to say, optionally, if the above-mentioned A11 is used to obtain the target indication information, the first indication information carried in the transmission configuration information should also be the target resource used by the control information corresponding to the first target object of the direct communication interface and / or the direct communication interface data for the first terminal, that is, the first indication information also needs to include: a first indication of the target resource used by the control information corresponding to the first target object of the direct communication interface and / or the direct communication interface data, for example, the first indication is used to indicate the carrier or bandwidth portion used by the control information corresponding to the direct communication interface L2 ID, service identifier or service quality attribute; or, the first indication is used to indicate the carrier or bandwidth portion used by the direct communication interface data corresponding to the direct communication interface L2 ID, service identifier or service quality attribute.

[0234] Optionally, if the above-mentioned A12 is used to obtain the target indication information, the second indication information carried in the terminal capability information should also indicate to the first terminal the control information corresponding to the first target object of the direct communication interface and / or the target resources used by the data corresponding to the first target object of the direct communication interface, that is, the second indication information also needs to include: the second indication of the target resources used by the control information corresponding to the first target object of the direct communication interface and / or the data corresponding to the first target object of the direct communication interface.

[0235] It should be noted that direct communication interface resource allocation includes two modes:

[0236] Mode 1, i.e., resource allocation by network scheduling, requires network equipment to allocate resources for terminals;

[0237] Mode 2, namely, terminal-selected resource allocation, requires the terminal to select resources on its own.

[0238] Optionally, in one case, after the direct communication interface sending terminal obtains the target indication information, if in Mode 1, the direct communication interface sending terminal needs to send third indication information to the network device, and the third indication information is used to instruct the network device to select direct communication interface resources for the first terminal.

[0239] Optionally, the third indication information may be determined based on the first indication information or the second indication information.

[0240] Optionally, in one implementation, the third indication information includes at least one of the following:

[0241] B11, direct communication interface target L2 ID;

[0242] B12, a carrier aggregation transmission mode of the direct communication interface of the first terminal;

[0243] It should be noted that the carrier aggregation transmission mode includes the above-mentioned A1121 and / or A1122.

[0244] B13, indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0245] Optionally, the indication information of whether to use direct communication interface carrier aggregation can be indicated by on (ON) or off (OFF) information. For example, when the indication is on, it means that the direct communication interface of the first terminal uses direct communication interface carrier aggregation; when the indication is off, it means that the direct communication interface of the first terminal does not use direct communication interface carrier aggregation.

[0246] B14, a carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal;

[0247] It should be noted that the carrier aggregation transmission mode includes the above-mentioned A1121 and / or A1122.

[0248] B15, terminal capability information of the second terminal;

[0249] Optionally, the terminal capability information of the second terminal includes the above-mentioned A121 and / or A122.

[0250] Optionally, the terminal may report the third indication information to the network device via a Uu interface message (such as direct communication link terminal information (SidelinkUEInformation)).

[0251] It should be further explained that, since the information transmission mode of the direct communication sending terminal includes: unicast (UC), group cast (GC) and / or broadcast (BC), when the direct communication sending terminal performs unicast communication, it can clearly know what the communication peer is. Usually, in order to enable the communication peer to accurately receive the data sent by the direct communication sending terminal, the direct communication peer needs to send its own terminal capability information to the direct communication sending terminal. At this time, the direct communication sending terminal obtains the second indication information sent by the direct communication peer. Therefore, the third indication information sent by the direct communication sending terminal to the network device usually includes B11 and / or B15. When the direct communication sending terminal performs multicast or broadcast communication, since there may be multiple direct communication peers, the direct communication sending terminal usually obtains the transmission configuration information of its own high-level transmission. At this time, the direct communication sending terminal obtains the first indication information. Therefore, the third indication information sent by the direct communication sending terminal to the network device usually includes at least one item from B11 to B14.

[0252] Optionally, in one case, after the direct communication interface sending terminal obtains the target indication information, if in Mode 2, the direct communication interface sending terminal needs to perform direct communication interface resource selection according to the transmission configuration information or the terminal capability information.

[0253] It should be further explained that when the direct communication sending terminal performs unicast communication, it can clearly know what the communication peer is. Usually, in order to enable the communication peer to accurately receive the data sent by the direct communication sending terminal, the direct communication peer needs to send its own terminal capability information to the direct communication sending terminal. At this time, the direct communication sending terminal obtains the second indication information sent by the direct communication peer. Therefore, the direct communication sending terminal allocates direct communication interface resources based on the second indication information. When the direct communication sending terminal performs multicast or broadcast communication, because there may be multiple direct communication peers, the direct communication sending terminal usually obtains the transmission configuration information of its own high-level transmission. At this time, the direct communication sending terminal obtains the first indication information. Therefore, the direct communication sending terminal allocates direct communication interface resources based on the first indication information.

[0254] Optionally, whether the network device performs direct communication interface resource selection or the direct communication sending terminal performs direct communication interface resource selection, if a specific target object is allowed to be transmitted on multiple target resources, one or more carriers or BWPs are selected for the specific target object, and specific transmission resources are selected on each carrier or BWP as the transmission resources for the specific target object.

[0255] Optionally, in one implementation, the specific implementation of selecting multiple carriers or BWPs for a specific target object includes:

[0256] Select multiple carriers or BWPs for specific target objects based on the following principles:

[0257] C11, mapping relationship between high-level configured services and carriers or BWP;

[0258] C12. The correspondence between business and target objects;

[0259] C13, carrier or BWP status;

[0260] Optionally, the state may be, for example, CBR (Channel Busy Ratio) or channel quality.

[0261] For example, when selecting based on C13, multiple carriers or BWPs with lower channel occupancy or better channel quality may be preferentially selected; for example, when selecting based on C11 and C12, it is necessary to first determine the mapping relationship between the target object and the carrier or BWP based on C11 and C12, and then select multiple carriers or BWPs for a specific target object based on the mapping relationship. For example, when selecting based on C11-C13, it is necessary to first determine the mapping relationship between the target object and the carrier or BWP based on C11 and C12, and then preliminarily select a carrier or BWP for a specific target object based on the mapping relationship, and then preferentially select multiple carriers or BWPs with lower channel occupancy or better channel quality from the preliminarily selected carriers or BWPs.

[0262] The specific implementation of the embodiments of the present application is illustrated below with examples.

[0263] Application 1: SL unicast, using Mode 1 resource allocation mode

[0264] Assume that UE2 is a direct communication sending terminal and UE1 is the communication peer of UE2. Figure 3 As shown, the specific implementation process includes:

[0265] Step 31, UE1 sends the terminal capability information of its direct communication interface to UE2;

[0266] After UE1 and UE2 are successfully connected through unicast, UE1 can send the terminal capability information of its direct communication interface to UE2. The terminal capability information needs to carry second indication information, wherein the second indication information includes: whether the terminal capability of UE1 supports direct communication interface carrier aggregation and / or the carrier aggregation transmission mode of the direct communication interface supported by the terminal capability.

[0267] Wherein, whether direct communication interface carrier aggregation is supported may be indicated in one of the following ways:

[0268] Indicated by 1 bit; if the bit value is 0, it means that SL CA is not supported, and if the bit value is 1, it means that SL CA is supported.

[0269] Indicated by Bandcombination, if at least one bandcombination contains two or more carriers / BWPs, it means that SL CA is supported; otherwise, it means that SL CA is not supported.

[0270] The carrier aggregation transmission mode includes at least one of the following:

[0271] A second target object can only be transmitted on one carrier or BWP;

[0272] A second object allows transmission on multiple carriers or BWPs.

[0273] The second target object may be a direct communication interface logical channel, an L2 ID, a quality of service attribute or a service identifier.

[0274] Step 32: UE2 reports third indication information to the network device, where the third indication information includes: terminal capability information of UE1, where the terminal capability information is used to indicate the direct communication interface capability.

[0275] UE2 may report the third indication information to the network device through a Uu interface message, and may specifically report it through SidelinkUEInformation, or may introduce a new RRC message for reporting.

[0276] Step 33: The network device determines the SL CA policy when UE2 sends data to UE1 via the direct communication interface. The SLCA policy includes: whether to use SL CA and / or SL CA transmission mode.

[0277] Step 34: The network device sends direct communication interface resource allocation mode configuration information to UE2;

[0278] The resource allocation mode configuration information may be carried via a Uu interface RRC reconfiguration message.

[0279] Step 35: UE2 sends a Scheduling Request (SR) or a Buffer Status Reporting (BSR) of the direct communication interface to the network device.

[0280] It should be noted that the purpose of UE2 sending SR or BSR is to request direct communication interface resources from the network device.

[0281] Step 36: The network device allocates direct communication interface resources to UE2;

[0282] The network device allocates direct communication interface resources to UE2 according to the SL CA policy determined in step 33 .

[0283] It should be noted that if the network device determines that SL CA needs to be used for a target object of the direct communication interface and the SL CA mode is that a target object can be transmitted on multiple carriers or BWPs, then when the network device performs resource selection, it can select multiple carriers or BWPs for a specific target object and select specific transmission resources on each carrier or BWP respectively.

[0284] Furthermore, the principles to be considered for selecting multiple carriers or BWPs for the specific target object include at least one of the following:

[0285] The mapping relationship between high-level configured services and carriers or BWPs;

[0286] The correspondence between business and target objects;

[0287] The status of the carrier or BWP, for example, the status includes CBR or channel quality.

[0288] Application 2: SL multicast or SL broadcast, using Mode 1 resource allocation mode

[0289] Assume that UE2 is a direct communication sending terminal. For direct communication interface multicast or broadcast, the receiving terminal corresponding to UE2 may be one or more, such as Figure 4 As shown, the specific implementation process includes:

[0290] Step 41, UE2 obtains transmission configuration information from a higher layer of UE2;

[0291] The transmission configuration information may be, but is not limited to, a Tx Profile. For example, UE2 obtains the transmission configuration information from a V2X layer, a ProSe layer, or a PC5-S layer of UE2. Optionally, the transmission configuration information is configured based on a direct communication interface target L2 ID.

[0292] The transmission configuration information needs to carry first indication information, wherein the first indication information includes whether UE2 uses direct communication interface carrier aggregation when performing data transmission for the first target object, and / or the carrier aggregation transmission mode of the direct communication interface used by UE2 when performing data transmission for the first target object.

[0293] Wherein, whether to use direct communication interface carrier aggregation can be indicated in one of the following ways:

[0294] It can be indicated by 1 bit; if the bit value is 0, it means that SL CA is not used, and if the bit value is 1, it means that SLCA is used.

[0295] Indicated by Bandcombination, if at least one bandcombination contains two or more carriers / BWPs, it means that SL CA is used; otherwise, it means that SL CA is not used.

[0296] The carrier aggregation transmission mode includes at least one of the following:

[0297] A first target object can only be transmitted on one carrier or BWP;

[0298] One first target object allows transmission on multiple carriers or BWPs.

[0299] The first target object may be an L2 ID, a service identifier or a quality of service attribute.

[0300] If the carrier aggregation transmission mode is that a first target object can only be transmitted on one carrier or BWP, then optionally, the first indication information also needs to carry a target resource corresponding to the first target object.

[0301] Step 42: UE2 sends third indication information to the network device;

[0302] Optionally, UE2 reports third indication information to the network device through a Uu interface message (such as a SidelinkUEInformation message), where the third indication information includes at least one of the following:

[0303] Direct communication interface target L2 ID;

[0304] Carrier aggregation transmission mode of the direct communication interface of UE2;

[0305] Indication information of whether the direct communication interface of UE2 uses direct communication interface carrier aggregation;

[0306] a carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of UE2;

[0307] Step 43: The network device determines the SL CA policy when UE2 sends data on the direct communication interface. The SL CA policy includes: whether to use SL CA and / or SL CA transmission mode for each target L2 ID or each bearer or logical channel under the target L2 ID.

[0308] Step 44: The network device sends direct communication interface resource allocation mode configuration information to UE2;

[0309] The resource allocation mode configuration information may be carried by a Uu interface RRC Reconfiguration message.

[0310] Step 45: UE2 sends an SR or SL BSR to the network device.

[0311] It should be noted that the purpose of UE1 sending SR or SL BSR is to request direct communication interface resources from the network device.

[0312] Step 46: The network device allocates direct communication interface resources to UE2;

[0313] The network device allocates direct communication interface resources to UE2 according to the SL CA policy determined in step 43 .

[0314] It should be noted that if the network device determines that SL CA needs to be used for a target object of the direct communication interface and the SL CA mode is that a target object can be transmitted on multiple carriers or BWPs, then when the network device performs resource selection, it can select multiple carriers or BWPs for a specific target object and select specific transmission resources on each carrier or BWP respectively.

[0315] Furthermore, the principles to be considered for selecting multiple carriers or BWPs for the specific target object include at least one of the following:

[0316] The mapping relationship between high-level configured services and carriers or BWPs;

[0317] The correspondence between business and target objects;

[0318] The status of the carrier or BWP, for example, the status includes CBR or channel quality.

[0319] Application scenario 3: SL unicast, using Mode 2 resource allocation mode

[0320] Assume that UE2 is a direct communication sending terminal, and UE1 is the communication peer of UE2. Figure 5 As shown, the specific implementation process includes:

[0321] Step 51, UE1 sends the terminal capability information of its direct communication interface to UE2;

[0322] After UE1 and UE2 are successfully connected through unicast, UE1 can send the terminal capability information of its direct communication interface to UE2. The terminal capability information needs to carry second indication information, wherein the second indication information includes: whether the terminal capability of UE1 supports direct communication interface carrier aggregation and / or the carrier aggregation transmission mode of the direct communication interface supported by the terminal capability.

[0323] Wherein, whether direct communication interface carrier aggregation is supported may be indicated in one of the following ways:

[0324] Indicated by 1 bit; if the bit value is 0, it means that SL CA is not supported, and if the bit value is 1, it means that SL CA is supported.

[0325] Indicated by Bandcombination, if at least one bandcombination contains two or more carriers / BWPs, it means that SL CA is supported; otherwise, it means that SL CA is not supported.

[0326] The carrier aggregation transmission mode includes at least one of the following:

[0327] A second target object can only be transmitted on one carrier or BWP;

[0328] A second object allows transmission on multiple carriers or BWPs.

[0329] The second target object may be a direct communication interface logical channel, an L2 ID, a quality of service attribute or a service identifier.

[0330] Step 52: When UE2 sends data to UE1 via the direct communication interface, UE2 determines whether to use SL CA and / or SL CA transmission mode for a specific target object based on the second indication information.

[0331] Step 53: SL CA resource allocation;

[0332] It should be noted that if UE2 determines that SL CA resource allocation is required for a target object and the SL CA mode is that a target object can be transmitted on multiple carriers or BWPs, then when UE2 performs resource selection, it can select multiple carriers or BWPs for the specific target object and select specific transmission resources on each carrier or BWP respectively.

[0333] Furthermore, the principles to be considered for selecting multiple carriers or BWPs for the specific target object include at least one of the following:

[0334] The mapping relationship between high-level configured services and carriers or BWPs;

[0335] The correspondence between business and target objects;

[0336] The status of the carrier or BWP, for example, the status includes CBR or channel quality.

[0337] It should be noted that, after resource allocation is completed, UE2 can perform data transmission in the SL CA manner.

[0338] Application 4: SL multicast or SL broadcast, using Mode 2 resource allocation mode

[0339] Assuming that UE2 is a direct communication sending terminal, for direct communication interface multicast or broadcast, the receiving terminal corresponding to UE2 may be one or more, such as Figure 6 As shown, the specific implementation process includes:

[0340] Step 61, UE2 obtains transmission configuration information from a higher layer of UE2;

[0341] The transmission configuration information may be, but is not limited to, a Tx Profile. For example, UE2 obtains the transmission configuration information from a V2X layer, a ProSe layer, or a PC5-S layer of UE2. Optionally, the transmission configuration information is configured based on a direct communication interface target L2 ID.

[0342] The transmission configuration information needs to carry first indication information, wherein the first indication information includes whether UE2 uses direct communication interface carrier aggregation when performing data transmission for the first target object, and / or the carrier aggregation transmission mode of the direct communication interface used by UE2 when performing data transmission for the first target object.

[0343] Wherein, whether to use direct communication interface carrier aggregation can be indicated in one of the following ways:

[0344] It can be indicated by 1 bit; if the bit value is 0, it means that SL CA is not used, and if the bit value is 1, it means that SLCA is used.

[0345] Indicated by Bandcombination, if at least one bandcombination contains two or more carriers / BWPs, it means that SL CA is used; otherwise, it means that SL CA is not used.

[0346] The carrier aggregation transmission mode includes at least one of the following:

[0347] A first target object can only be transmitted on one carrier or BWP;

[0348] One first target object allows transmission on multiple carriers or BWPs.

[0349] The first target object may be an L2 ID, a service identifier or a quality of service attribute.

[0350] If the carrier aggregation transmission mode is that a first target object can only be transmitted on one carrier or BWP, then optionally, the first indication information also needs to carry the target resource corresponding to the first target object. Step 62, UE2 determines whether a specific target object uses SL CA and / or SL CA transmission mode based on the first indication information when sending data on the direct communication interface.

[0351] Step 63: SL CA resource allocation;

[0352] It should be noted that if UE2 determines that SL CA resource allocation is required for a target object and the SL CA mode is that a target object can be transmitted on multiple carriers or BWPs, then when UE2 performs resource selection, it can select multiple carriers or BWPs for the specific target object and select specific transmission resources on each carrier or BWP respectively.

[0353] Furthermore, the principles to be considered for selecting multiple carriers or BWPs for the specific target object include at least one of the following:

[0354] The mapping relationship between high-level configured services and carriers or BWPs;

[0355] The correspondence between business and target objects;

[0356] The status of the carrier or BWP, for example, the status includes CBR or channel quality.

[0357] Step 64: After resource allocation is completed, UE2 can perform data transmission in SL CA mode.

[0358] It should be noted that the embodiments of the present application can assist the resource allocation node in determining whether to use SL CA and / or the specific SL CA transmission mode for the target object of the direct communication interface to ensure that the communication counterpart can receive in the same manner, thereby improving data transmission reliability.

[0359] The technical solution provided in the embodiment of the present application can be applicable to a variety of systems, especially 5G systems. For example, the applicable system can be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, a long term evolution (LTE) system, a LTE frequency division duplex (FDD) system, a LTE time division duplex (TDD) system, an advanced long term evolution (LTE-A) system, a universal mobile telecommunication system (UMTS), a world-wide interoperability for microwave access (WiMAX) system, a 5G new radio (NR) system, etc. These various systems include terminals (also referred to as terminal equipment) and network equipment. The system may also include a core network part, such as an evolved packet system (EPS), a 5G system (5GS), etc.

[0360] The terminal involved in the embodiment of the present application may also be referred to as a terminal device, which may be a device that provides voice and / or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem. In different systems, the name of the terminal device may also be different. For example, in a 5G system, the terminal device may be referred to as a user equipment (UE). A wireless terminal device may communicate with one or more core networks (CN) via a radio access network (RAN). The wireless terminal device may be a mobile terminal device, such as a mobile phone (or a "cellular" phone) and a computer with a mobile terminal device. For example, it may be a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device that exchanges language and / or data with a wireless access network. For example, personal communication service (PCS) phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs) and other devices. The wireless terminal device may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote terminal device, an access terminal device, a user terminal device, a user agent, and a user device, but is not limited in the embodiments of the present application.

[0361] The network device involved in the embodiment of the present application may be a base station, which may include multiple cells providing services for the terminal. Depending on the specific application scenario, the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names. The network device may be used to interchange received air frames with Internet Protocol (IP) packets, and serve as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network may include an Internet Protocol (IP) communication network. The network device may also coordinate the attribute management of the air interface. For example, the network device involved in the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (Global System for Mobile communications, GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device (evolutional Node B, eNB or e-NodeB) in the long term evolution (long term evolution, LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (Home evolved Node B, HeNB), a relay terminal node (relay node), a home base station (femto), a pico base station (pico), etc., which is not limited in the embodiments of the present application. In some network structures, the network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be arranged geographically separately.

[0362] Network devices and terminal devices can each use one or more antennas for multiple-input multiple-output (MIMO) transmission. MIMO transmission can be single-user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO). Depending on the form and number of antenna combinations, MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, or it can be diversity transmission, precoded transmission or beamforming transmission, etc.

[0363] like Figure 7 As shown, an embodiment of the present application provides an information acquisition method, which is executed by a network device and includes:

[0364] Step S701: receiving third indication information sent by the first terminal, where the third indication information includes at least one of the following:

[0365] Direct communication interface target layer 2 address L2 ID;

[0366] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0367] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0368] The carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal, the first target object comprising: a layer 2 address L2 ID or a service identifier or a quality of service attribute;

[0369] Terminal capability information of a second terminal, where the second terminal is a direct communication peer of the first terminal.

[0370] Optionally, whether to use direct communication interface carrier aggregation is indicated by at least one of the following:

[0371] Indicated by 1 bit;

[0372] Indicated by band combination.

[0373] Optionally, the carrier aggregation transmission mode includes at least one of the following:

[0374] A first target object can only be transferred in one target resource;

[0375] A first target object allows transmission among multiple target resources;

[0376] The target resource includes: a carrier or a bandwidth part.

[0377] Optionally, the method further includes:

[0378] Selecting a direct communication interface resource for the first terminal according to the third indication information.

[0379] It should be noted that all implementation methods in the above embodiments are applicable to the embodiments of the information acquisition method applied to the network device side, and can achieve the same technical effect, which will not be repeated here.

[0380] like Figure 8 As shown, the embodiment of the present application provides an information acquisition device 500, which is applied to a first terminal and includes:

[0381] The acquisition unit 801 is used to acquire target indication information, where the target indication information is used to indicate whether to use direct communication interface carrier aggregation and / or a carrier aggregation transmission mode of the direct communication interface.

[0382] Optionally, the acquiring unit 801 is configured to:

[0383] receiving transmission configuration information from a high layer of the first terminal, where the transmission configuration information carries first indication information, and the first indication information is the target indication information; or,

[0384] receiving terminal capability information from a second terminal, wherein the terminal capability information carries second indication information, and the second indication information is the target indication information;

[0385] The first indication information includes at least one of the following:

[0386] whether the first terminal uses direct communication interface carrier aggregation when performing data transmission for the first target object;

[0387] A carrier aggregation transmission mode of a direct communication interface used by the first terminal when performing data transmission for the first target object;

[0388] The second indication information includes at least one of the following:

[0389] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0390] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0391] The second terminal is a direct communication peer of the first terminal, and the first target object includes: a layer 2 address L2ID or a service identifier or a service quality attribute.

[0392] Optionally, whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following:

[0393] Indicated by 1 bit;

[0394] Indicated by frequency band combination.

[0395] Optionally, when the first indication information includes a carrier aggregation transmission mode of a direct communication interface used by the first terminal to perform data transmission for the first target object, the carrier aggregation transmission mode includes at least one of the following:

[0396] A first target object can only be transmitted on one target resource;

[0397] A first target object allows transmission on multiple target resources;

[0398] The target resource includes: a carrier or a bandwidth part.

[0399] Optionally, when the carrier aggregation transmission mode includes that a first target object can only be transmitted on one target resource, the first indication information also includes: a target resource corresponding to the first target object.

[0400] Optionally, when the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following:

[0401] A second target object can only be transmitted on one target resource;

[0402] A second target object allows transmission on multiple target resources;

[0403] The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

[0404] Optionally, when the carrier aggregation transmission mode includes that a second target object can only be transmitted on one target resource, the second indication information also includes: the target resource corresponding to the second target object.

[0405] Optionally, the device further comprises:

[0406] The second sending unit is configured to send third indication information to the network device, where the third indication information includes at least one of the following:

[0407] Direct communication interface target L2 ID;

[0408] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0409] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0410] a carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal;

[0411] Terminal capability information of the second terminal.

[0412] Optionally, the device further comprises:

[0413] An execution unit is used to execute direct communication interface resource selection according to the transmission configuration information or the terminal capability information.

[0414] Optionally, if the target indication information indicates that the first target object does not use direct communication interface carrier aggregation, the target indication information is also used to indicate the target resources used by the control information and / or direct communication interface data corresponding to the first target object of the direct communication interface;

[0415] The target resource includes: a carrier or a bandwidth part.

[0416] It should be noted that the device embodiment is a device that corresponds one-to-one to the above-mentioned method embodiment. All implementation methods in the above-mentioned method embodiment are applicable to the device embodiment and can achieve the same technical effect.

[0417] It should be noted that the division of units in the embodiments of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional unit in each embodiment of the present application may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0418] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), disk or optical disk and other media that can store program codes.

[0419] like Fig. 9 As shown, the embodiment of the present application further provides a terminal, which is a first terminal, including a processor 900, a transceiver 910, a memory 920, and a program stored in the memory 920 and executable on the processor 900; wherein the transceiver 910 is connected to the processor 900 and the memory 920 through a bus interface, wherein the processor 900 is used to read the program in the memory and execute the following process:

[0420] Target indication information is acquired, where the target indication information is used to indicate whether to use direct communication interface carrier aggregation and / or a carrier aggregation transmission mode of the direct communication interface.

[0421] The transceiver 910 is configured to receive and send data under the control of the processor 900 .

[0422] Among them, Fig. 9 In the embodiment, the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 900 and various circuits of memory represented by memory 920 are linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein. The bus interface provides an interface. The transceiver 910 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, including transmission media such as wireless channels, wired channels, and optical cables. For different user devices, the user interface 930 may also be an interface capable of externally and internally connecting required devices, and the connected devices include but are not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.

[0423] The processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 900 when performing operations.

[0424] Optionally, the processor 900 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array) or a CPLD (Complex Programmable Logic Device), and the processor may also adopt a multi-core architecture.

[0425] The processor calls the computer program stored in the memory to execute any of the methods provided in the embodiments of the present application according to the obtained executable instructions. The processor and the memory can also be arranged physically separately.

[0426] Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

[0427] receiving transmission configuration information from a high layer of the first terminal, where the transmission configuration information carries first indication information, and the first indication information is the target indication information; or,

[0428] receiving terminal capability information from a second terminal, wherein the terminal capability information carries second indication information, and the second indication information is the target indication information;

[0429] The first indication information includes at least one of the following:

[0430] whether the first terminal uses direct communication interface carrier aggregation when performing data transmission for the first target object;

[0431] A carrier aggregation transmission mode of a direct communication interface used by the first terminal when performing data transmission for the first target object;

[0432] The second indication information includes at least one of the following:

[0433] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0434] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0435] The second terminal is a direct communication peer of the first terminal, and the first target object includes: a layer 2 address L2ID or a service identifier or a service quality attribute.

[0436] Optionally, whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following:

[0437] Indicated by 1 bit;

[0438] Indicated by frequency band combination.

[0439] Optionally, when the first indication information includes a carrier aggregation transmission mode of a direct communication interface used by the first terminal to perform data transmission for the first target object, the carrier aggregation transmission mode includes at least one of the following:

[0440] A first target object can only be transmitted on one target resource;

[0441] A first target object allows transmission on multiple target resources;

[0442] The target resource includes: a carrier or a bandwidth part.

[0443] Optionally, when the carrier aggregation transmission mode includes that a first target object can only be transmitted on one target resource, the first indication information also includes: a target resource corresponding to the first target object.

[0444] Optionally, when the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following:

[0445] A second target object can only be transmitted on one target resource;

[0446] A second target object allows transmission on multiple target resources;

[0447] The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

[0448] Optionally, when the carrier aggregation transmission mode includes that a second target object can only be transmitted on one target resource, the second indication information also includes: the target resource corresponding to the second target object.

[0449] Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

[0450] Sending third indication information to the network device through the transceiver, wherein the third indication information includes at least one of the following:

[0451] Direct communication interface target L2 ID;

[0452] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0453] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0454] a carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal;

[0455] Terminal capability information of the second terminal.

[0456] Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

[0457] Direct communication interface resource selection is performed according to the transmission configuration information or the terminal capability information.

[0458] Optionally, if the target indication information indicates that the first target object does not use direct communication interface carrier aggregation, the target indication information is also used to indicate the target resources used by the control information and / or direct communication interface data corresponding to the first target object of the direct communication interface;

[0459] The target resource includes: a carrier or a bandwidth part.

[0460] It should be noted here that the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0461] The embodiment of the present application also provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by the processor, implements the steps of the information acquisition method applied to the first terminal. The processor-readable storage medium may be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (such as floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor storage (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.

[0462] like Fig.10 As shown, the embodiment of the present application provides an information acquisition device 1000, which is applied to a network device, including:

[0463] The receiving unit 1001 receives third indication information sent by the first terminal, where the third indication information includes at least one of the following:

[0464] Direct communication interface target layer 2 address L2 ID;

[0465] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0466] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0467] The carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal, the first target object comprising: a layer 2 address L2 ID or a service identifier or a quality of service attribute;

[0468] Terminal capability information of a second terminal, where the second terminal is a direct communication peer of the first terminal.

[0469] Optionally, whether to use direct communication interface carrier aggregation is indicated by at least one of the following:

[0470] Indicated by 1 bit;

[0471] Indicated by band combination.

[0472] Optionally, the carrier aggregation transmission mode includes at least one of the following:

[0473] A first target object can only be transferred in one target resource;

[0474] A first target object allows transmission among multiple target resources;

[0475] The target resource includes: a carrier or a bandwidth part.

[0476] Optionally, the device further comprises:

[0477] A selecting unit is configured to select a direct communication interface resource for the first terminal according to the third indication information.

[0478] It should be noted that the device embodiment is a device that corresponds one-to-one to the above-mentioned method embodiment. All implementation methods in the above-mentioned method embodiment are applicable to the device embodiment and can achieve the same technical effect.

[0479] It should be noted that the division of units in the embodiments of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional unit in each embodiment of the present application may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0480] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), disk or optical disk and other media that can store program codes.

[0481] like Fig.11 As shown, the embodiment of the present application further provides a network device, including a processor 1100, a transceiver 1110, a memory 1120, and a program stored in the memory 1120 and executable on the processor 1100; wherein the transceiver 1110 is connected to the processor 1100 and the memory 1120 through a bus interface, wherein the processor 1100 is used to read the program in the memory and execute the following process:

[0482] The third indication information sent by the first terminal is received by the transceiver, where the third indication information includes at least one of the following:

[0483] Direct communication interface target layer 2 address L2 ID;

[0484] a carrier aggregation transmission mode of a direct communication interface of the first terminal;

[0485] Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation;

[0486] The carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal, the first target object comprising: a layer 2 address L2 ID or a service identifier or a quality of service attribute;

[0487] Terminal capability information of a second terminal, where the second terminal is a direct communication peer of the first terminal.

[0488] The transceiver 1110 is configured to receive and send data under the control of the processor 1100 .

[0489] Among them, Fig.11In the embodiment, the bus architecture may include any number of interconnected buses and bridges, specifically linking together various circuits of one or more processors represented by processor 1100 and memory represented by memory 1120. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein. The bus interface provides an interface. The transceiver 1110 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, including transmission media such as wireless channels, wired channels, optical cables, and the like.

[0490] The processor 1100 is responsible for managing the bus architecture and general processing, and the memory 1120 can store data used by the processor 1100 when performing operations.

[0491] Optionally, the processor 1100 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array) or a CPLD (Complex Programmable Logic Device), and the processor may also adopt a multi-core architecture.

[0492] The processor calls the computer program stored in the memory to execute any of the methods provided in the embodiments of the present application according to the obtained executable instructions. The processor and the memory can also be arranged physically separately.

[0493] Optionally, whether to use direct communication interface carrier aggregation is indicated by at least one of the following:

[0494] Indicated by 1 bit;

[0495] Indicated by band combination.

[0496] Optionally, the carrier aggregation transmission mode includes at least one of the following:

[0497] A first target object can only be transferred in one target resource;

[0498] A first target object allows transmission among multiple target resources;

[0499] The target resource includes: a carrier or a bandwidth part.

[0500] Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

[0501] Selecting a direct communication interface resource for the first terminal according to the third indication information.

[0502] It should be noted here that the above-mentioned network device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects that are the same as the method embodiment in this embodiment will not be described in detail here.

[0503] The embodiment of the present application also provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the information acquisition method applied to a network device. The processor-readable storage medium may be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (e.g., floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (e.g., CD, DVD, BD, HVD, etc.), and semiconductor storage (e.g., ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.

[0504] like Fig.12 As shown, an embodiment of the present application provides an information transmission method, which is executed by a second terminal and includes:

[0505] Step S1201, sending terminal capability information to a first terminal, wherein the terminal capability information carries second indication information;

[0506] The second indication information includes at least one of the following:

[0507] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0508] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0509] The second terminal is a direct communication counterpart of the first terminal.

[0510] Optionally, whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following:

[0511] Indicated by 1 bit;

[0512] Indicated by frequency band combination.

[0513] Optionally, when the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following:

[0514] A second target object can only be transmitted on one target resource;

[0515] A second target object allows transmission on multiple target resources;

[0516] The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

[0517] Optionally, when the carrier aggregation transmission mode includes that a second target object can only be transmitted on one target resource, the second indication information also includes: the target resource corresponding to the second target object.

[0518] It should be noted that all implementation methods in the above embodiments are applicable to the embodiments of the information transmission method applied to the second terminal side, and can achieve the same technical effect, which will not be repeated here.

[0519] like Fig.13 As shown, the embodiment of the present application provides an information transmission device 1300, which is applied to a second terminal, including:

[0520] The first sending unit 1301 is configured to send terminal capability information to the first terminal, where the terminal capability information carries second indication information;

[0521] The second indication information includes at least one of the following:

[0522] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0523] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0524] The second terminal is a direct communication counterpart of the first terminal.

[0525] Optionally, whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following:

[0526] Indicated by 1 bit;

[0527] Indicated by frequency band combination.

[0528] Optionally, when the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following:

[0529] A second target object can only be transmitted on one target resource;

[0530] A second target object allows transmission on multiple target resources;

[0531] The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

[0532] Optionally, when the carrier aggregation transmission mode includes that a second target object can only be transmitted on one target resource, the second indication information also includes: the target resource corresponding to the second target object.

[0533] It should be noted that the device embodiment is a device that corresponds one-to-one to the above-mentioned method embodiment. All implementation methods in the above-mentioned method embodiment are applicable to the device embodiment and can achieve the same technical effect.

[0534] It should be noted that the division of units in the embodiments of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional unit in each embodiment of the present application may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0535] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), disk or optical disk and other media that can store program codes.

[0536] Optionally, the embodiment of the present application further provides a terminal, which is a second terminal. The structure of the second terminal can be seen in Fig. 9 As shown, no further description is given here.

[0537] The processor is used to read the computer program in the memory and perform the following operations:

[0538] Sending terminal capability information to the first terminal through a transceiver, wherein the terminal capability information carries second indication information;

[0539] The second indication information includes at least one of the following:

[0540] Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation;

[0541] a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal;

[0542] The second terminal is a direct communication counterpart of the first terminal.

[0543] Optionally, whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following:

[0544] Indicated by 1 bit;

[0545] Indicated by frequency band combination.

[0546] Optionally, when the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following:

[0547] A second target object can only be transmitted on one target resource;

[0548] A second target object allows transmission on multiple target resources;

[0549] The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

[0550] Optionally, when the carrier aggregation transmission mode includes that a second target object can only be transmitted on one target resource, the second indication information also includes: the target resource corresponding to the second target object.

[0551] The embodiment of the present application also provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the information transmission method applied to the second terminal. The processor-readable storage medium may be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (such as a floppy disk, a hard disk, a magnetic tape, a magneto-optical disk (MO), etc.), optical storage (such as a CD, a DVD, a BD, a HVD, etc.), and semiconductor storage (such as a ROM, an EPROM, an EEPROM, a non-volatile memory (NAND FLASH), a solid-state drive (SSD)), etc.

[0552] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) that contain computer-usable program code.

[0553] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer executable instructions. These computer executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0554] These processor executable instructions may also be stored in a processor readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor readable memory produce an article of manufacture including an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0555] These processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for executing on the computer or other programmable device to implement the process. Figure 1A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0556] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A method for obtaining information, characterized in that: The method is executed by the first terminal and includes: Target indication information is acquired, where the target indication information is used to indicate whether to use direct communication interface carrier aggregation and / or a carrier aggregation transmission mode of the direct communication interface.

2. The method according to claim 1, characterized in that: The obtaining of target indication information includes: receiving transmission configuration information from a high layer of the first terminal, where the transmission configuration information carries first indication information, and the first indication information is the target indication information; or, receiving terminal capability information from a second terminal, wherein the terminal capability information carries second indication information, and the second indication information is the target indication information; The first indication information includes at least one of the following: whether the first terminal uses direct communication interface carrier aggregation when performing data transmission for the first target object; A carrier aggregation transmission mode of a direct communication interface used by the first terminal when performing data transmission for the first target object; The second indication information includes at least one of the following: Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation; a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal; The second terminal is a direct communication peer of the first terminal, and the first target object includes: a layer 2 address L2 ID or a service identifier or a quality of service attribute.

3. The method according to claim 2, characterized in that Whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following: Indicated by 1 bit; Indicated by frequency band combination.

4. The method according to claim 2, characterized in that: In a case where the first indication information includes a carrier aggregation transmission mode of a direct communication interface used by the first terminal when performing data transmission for the first target object, the carrier aggregation transmission mode includes at least one of the following: A first target object can only be transmitted on one target resource; A first target object allows transmission on multiple target resources; The target resource includes: a carrier or a bandwidth part.

5. The method according to claim 4, characterized in that In a case where the carrier aggregation transmission mode includes that a first target object can be transmitted only on one target resource, the first indication information also includes: a target resource corresponding to the first target object.

6. The method according to claim 2, characterized in that In a case where the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following: A second target object can only be transmitted on one target resource; A second target object allows transmission on multiple target resources; The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

7. The method according to claim 6, characterized in that In a case where the carrier aggregation transmission mode includes that a second target object can be transmitted only on one target resource, the second indication information also includes: a target resource corresponding to the second target object.

8. The method according to any one of claims 1 to 7, characterized in that: Also includes: Sending third indication information to the network device, where the third indication information includes at least one of the following: Direct communication interface target L2 ID; a carrier aggregation transmission mode of a direct communication interface of the first terminal; Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation; a carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal; Terminal capability information of the second terminal.

9. The method according to any one of claims 1 to 7, characterized in that: Also includes: Direct communication interface resource selection is performed according to the transmission configuration information or the terminal capability information.

10. The method according to claim 2, characterized in that If the target indication information indicates that the first target object does not use direct communication interface carrier aggregation, the target indication information is also used to indicate the target resource used by the control information and / or direct communication interface data corresponding to the first target object of the direct communication interface; The target resource includes: a carrier or a bandwidth part.

11. A method for obtaining information, characterized in that: Performed by network devices, including: Receive third indication information sent by the first terminal, where the third indication information includes at least one of the following: Direct communication interface target layer 2 address L2 ID; a carrier aggregation transmission mode of a direct communication interface of the first terminal; Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation; The carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal, the first target object comprising: a layer 2 address L2 ID or a service identifier or a quality of service attribute; Terminal capability information of a second terminal, where the second terminal is a direct communication peer of the first terminal.

12. The method according to claim 11, characterized in that Whether to use direct communication interface carrier aggregation is indicated by at least one of the following: Indicated by 1 bit; Indicated by band combination.

13. The method according to claim 11, characterized in that The carrier aggregation transmission mode includes at least one of the following: A first target object can only be transferred in one target resource; A first target object allows transmission among multiple target resources; The target resource includes: a carrier or a bandwidth part.

14. The method according to any one of claims 11-12, characterized in that: Also includes: Selecting a direct communication interface resource for the first terminal according to the third indication information.

15. An information transmission method, characterized in that: Executed by the second terminal, including: Sending terminal capability information to the first terminal, where the terminal capability information carries second indication information; The second indication information includes at least one of the following: Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation; a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal; The second terminal is a direct communication counterpart of the first terminal.

16. The method according to claim 15, characterized in that Whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following: Indicated by 1 bit; Indicated by frequency band combination.

17. The method according to claim 15, characterized in that In a case where the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following: A second target object can only be transmitted on one target resource; A second target object allows transmission on multiple target resources; The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

18. The method according to claim 17, characterized in that In a case where the carrier aggregation transmission mode includes that a second target object can be transmitted only on one target resource, the second indication information also includes: a target resource corresponding to the second target object.

19. A terminal, the terminal being a first terminal, characterized in that: Including memory, transceiver, processor: A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations: Target indication information is acquired, where the target indication information is used to indicate whether to use direct communication interface carrier aggregation and / or a carrier aggregation transmission mode of the direct communication interface.

20. The terminal according to claim 19, characterized in that The processor is configured to read the computer program in the memory and perform the following operations: receiving transmission configuration information from a high layer of the first terminal, where the transmission configuration information carries first indication information, and the first indication information is the target indication information; or, receiving terminal capability information from a second terminal, wherein the terminal capability information carries second indication information, and the second indication information is the target indication information; The first indication information includes at least one of the following: whether the first terminal uses direct communication interface carrier aggregation when performing data transmission for the first target object; A carrier aggregation transmission mode of a direct communication interface used by the first terminal when performing data transmission for the first target object; The second indication information includes at least one of the following: Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation; a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal; The second terminal is a direct communication peer of the first terminal, and the first target object includes: a layer 2 address L2 ID or a service identifier or a quality of service attribute.

21. The terminal according to claim 20, characterized in that: Whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following: Indicated by 1 bit; Indicated by frequency band combination.

22. The terminal according to claim 20, characterized in that In a case where the first indication information includes a carrier aggregation transmission mode of a direct communication interface used by the first terminal when performing data transmission for the first target object, the carrier aggregation transmission mode includes at least one of the following: A first target object can only be transmitted on one target resource; A first target object allows transmission on multiple target resources; The target resource includes: a carrier or a bandwidth part.

23. The terminal according to claim 22, characterized in that: In a case where the carrier aggregation transmission mode includes that a first target object can be transmitted only on one target resource, the first indication information also includes: a target resource corresponding to the first target object.

24. The terminal according to claim 20, characterized in that In a case where the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following: A second target object can only be transmitted on one target resource; A second target object allows transmission on multiple target resources; The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

25. The terminal according to claim 24, characterized in that In a case where the carrier aggregation transmission mode includes that a second target object can be transmitted only on one target resource, the second indication information also includes: a target resource corresponding to the second target object.

26. The terminal according to any one of claims 19 to 25, characterized in that: The processor is configured to read the computer program in the memory and further perform the following operations: Sending third indication information to the network device through the transceiver, wherein the third indication information includes at least one of the following: Direct communication interface target L2 ID; a carrier aggregation transmission mode of a direct communication interface of the first terminal; Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation; a carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal; Terminal capability information of the second terminal.

27. The terminal according to any one of claims 19 to 25, characterized in that: The processor is configured to read the computer program in the memory and further perform the following operations: Direct communication interface resource selection is performed according to the transmission configuration information or the terminal capability information.

28. The terminal according to claim 20, characterized in that If the target indication information indicates that the first target object does not use direct communication interface carrier aggregation, the target indication information is also used to indicate the target resource used by the control information and / or direct communication interface data corresponding to the first target object of the direct communication interface; The target resource includes: a carrier or a bandwidth part.

29. A network device, characterized in that: Including memory, transceiver, processor: A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations: Receiving, by the transceiver, third indication information sent by the first terminal, where the third indication information includes at least one of the following: Direct communication interface target layer 2 address L2 ID; a carrier aggregation transmission mode of a direct communication interface of the first terminal; Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation; The carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal, the first target object comprising: a layer 2 address L2 ID or a service identifier or a quality of service attribute; Terminal capability information of a second terminal, where the second terminal is a direct communication peer of the first terminal.

30. The network device according to claim 29, characterized in that: Whether to use direct communication interface carrier aggregation is indicated by at least one of the following: Indicated by 1 bit; Indicated by band combination.

31. The network device according to claim 29, characterized in that: The carrier aggregation transmission mode includes at least one of the following: A first target object can only be transferred in one target resource; A first target object allows transmission among multiple target resources; The target resource includes: a carrier or a bandwidth part.

32. The network device according to any one of claims 29 to 31, characterized in that: The processor is configured to read the computer program in the memory and further perform the following operations: Selecting a direct communication interface resource for the first terminal according to the third indication information.

33. A terminal, the terminal being a second terminal, characterized in that: Including memory, transceiver, processor: A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations: Sending terminal capability information to the first terminal through a transceiver, wherein the terminal capability information carries second indication information; The second indication information includes at least one of the following: Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation; a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal; The second terminal is a direct communication counterpart of the first terminal.

34. The terminal according to claim 33, characterized in that Whether direct communication interface carrier aggregation is supported or whether direct communication interface carrier aggregation is used is indicated by at least one of the following: Indicated by 1 bit; Indicated by frequency band combination.

35. The terminal according to claim 33, characterized in that In a case where the second indication information includes a carrier aggregation transmission mode of a direct communication interface supported by a terminal capability of the second terminal, the carrier aggregation transmission mode includes at least one of the following: A second target object can only be transmitted on one target resource; A second target object allows transmission on multiple target resources; The second target object includes: a direct communication interface logical channel or an L2 ID or a service quality attribute or a service identifier; and the target resource includes: a carrier or a bandwidth part.

36. The terminal according to claim 35, characterized in that In a case where the carrier aggregation transmission mode includes that a second target object can be transmitted only on one target resource, the second indication information also includes: a target resource corresponding to the second target object.

37. An information acquisition device, applied to a first terminal, characterized in that: include: The acquisition unit is used to acquire target indication information, where the target indication information is used to indicate whether to use direct communication interface carrier aggregation and / or a carrier aggregation transmission mode of the direct communication interface.

38. An information acquisition device, applied to a network device, characterized in that: include: A receiving unit, configured to receive third indication information sent by the first terminal, where the third indication information includes at least one of the following: Direct communication interface target layer 2 address L2 ID; a carrier aggregation transmission mode of a direct communication interface of the first terminal; Indication information of whether the direct communication interface of the first terminal uses direct communication interface carrier aggregation; The carrier aggregation transmission mode corresponding to the first target object of the direct communication interface of the first terminal, the first target object comprising: a layer 2 address L2 ID or a service identifier or a quality of service attribute; Terminal capability information of a second terminal, where the second terminal is a direct communication peer of the first terminal.

39. An information transmission device, applied to a second terminal, characterized in that: include: A first sending unit, configured to send terminal capability information to a first terminal, wherein the terminal capability information carries second indication information; The second indication information includes at least one of the following: Whether the terminal capability of the second terminal supports direct communication interface carrier aggregation; a carrier aggregation transmission mode of the direct communication interface supported by the terminal capability of the second terminal; The second terminal is a direct communication counterpart of the first terminal.

40. A processor-readable storage medium, characterized in that: The processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the method according to any one of claims 1 to 18.

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