Downlink control information configuration method and apparatus, communication device, and storage medium

Abstract

Embodiments of the present disclosure relate to a downlink control information configuration method and apparatus, a communication device and a storage medium. The same number of bits is set for uplink scheduling downlink control information (DCI) and downlink scheduling DCI for multi-transmission block (TB) transmission.

Description

[0001] This case is a divisional application of patent application No. 201980002847.4, filed on November 7, 2019, entitled “Downlink Control Information Configuration Method, Apparatus, Communication Equipment and Storage Medium”. Technical Field

[0002] This application relates to, but is not limited to, the field of wireless communication technology, and particularly to downlink control information configuration methods, apparatus, communication devices, and storage media. Background Technology

[0003] For machine-type communication (MTC) systems, such as Figure 1 As shown, 3GPP (3rd Generation Partnership Project) Version 16 proposes using a single MTC Physical Downlink Control Channel (MPDCCH) to continuously schedule multiple MTC Physical Downlink Shared Channels (MPDSCH). This means that multiple transmission block (TB) processes can be scheduled using a single downlink control information (DCI), a process known as multi-TB scheduling.

[0004] In MTC coverage enhancement mode A, a single DCI can schedule up to 8 downlink TBs for transmission; in coverage enhancement mode B, a single DCI can schedule up to 4 downlink TBs for transmission. The DCI for multi-TB scheduling also differs from the traditional DCI in content. For example, a multi-TB scheduling DCI includes the specific number of TBs to be scheduled, as well as the resource allocation field, Hybrid Automatic Repeat Request (HARQ) process count, and New Data Indicator (NDI) found in traditional DCIs. Summary of the Invention

[0005] In view of this, embodiments of the present invention provide a downlink control information configuration method, apparatus, communication device, and storage medium.

[0006] According to a first aspect of the present invention, a downlink control information configuration method is provided, applied in a base station, the method comprising:

[0007] Set the same number of bits for the uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission.

[0008] In one embodiment, the method further includes:

[0009] The setting method is determined to configure the uplink scheduling DCI and the downlink scheduling DCI with the same number of bits;

[0010] The uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission are set with the same number of bits, including:

[0011] According to the configuration method, the same number of bits is set for the uplink DCI and the downlink scheduling DCI of the multi-TB transmission.

[0012] In one embodiment, determining the setting method for configuring the same number of bits for the uplink scheduling DCI and the downlink scheduling DCI includes:

[0013] The setting method is determined according to the instruction information, wherein the instruction information is sent by the user equipment (UE) or the core network element.

[0014] In one embodiment, setting the same number of bits for the uplink DCI and the downlink scheduling DCI for the multi-TB transmission according to the setting method includes:

[0015] According to the first setting method, the same number of bits is configured for the uplink scheduling DCI and the downlink scheduling DCI of the multi-TB transmission based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE.

[0016] or,

[0017] According to the second setting method, the same number of bits is configured for the uplink scheduling DCI and the downlink scheduling DCI of the multi-TB transmission based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE.

[0018] In one embodiment, setting the same number of bits for the uplink DCI and the downlink scheduling DCI for the multi-TB transmission according to the setting method includes:

[0019] According to the third setting method, for the uplink scheduling DCI configured based on the maximum uplink transmission TB number supported by the UE reported by the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number supported by the UE reported by the UE, n bits of a preset value are added to the predetermined position of the uplink scheduling DCI and the downlink scheduling DCI with the smaller number of bits, so that the number of bits of the uplink scheduling DCI and the number of bits of the downlink scheduling DCI are the same.

[0020] or,

[0021] According to the fourth setting method, for the uplink scheduling DCI configured based on the maximum uplink transmission TB number configured by the base station for the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number configured by the base station for the UE, m bits of a preset value are added to the predetermined position of the uplink scheduling DCI and the downlink scheduling DCI with the smaller number of bits, so that the number of bits of the uplink scheduling DCI and the downlink scheduling DCI are the same.

[0022] According to a second aspect of the present invention, a downlink control information receiving method is provided, wherein the method is applied in a user equipment, the method comprising:

[0023] Based on a preset number of blind detection bits, the uplink scheduling DCI and downlink scheduling DCI of multi-TB transmission are blindly detected, wherein the uplink scheduling DCI and the downlink scheduling DCI have the same number of bits.

[0024] In one embodiment, the method further includes:

[0025] The preset number of blind detection bits is determined based on the larger of the maximum uplink transmission TB and the maximum downlink TB supported by the UE reported to the base station by the UE.

[0026] or,

[0027] The preset number of blind detection bits is determined based on the larger of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station for the UE.

[0028] In one embodiment, determining the preset blind detection bit count based on the larger of the maximum uplink transmission TB and the maximum downlink TB supported by the UE reported to the base station by the UE includes:

[0029] For the uplink scheduling DCI configured based on the maximum uplink transmission TB number supported by the UE reported by the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number supported by the UE reported by the UE, the preset number of blind detection bits is determined according to the larger of the maximum uplink transmission TB number supported by the UE and the maximum downlink transmission TB number.

[0030] or,

[0031] For the uplink scheduling DCI configured based on the maximum uplink transmission TB number configured by the base station for the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number configured by the base station for the UE, the preset number of blind detection bits is determined according to the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE.

[0032] In one embodiment, the method further includes:

[0033] Remove i bits from the predetermined position of the uplink scheduling DCI, and read the data content of the uplink scheduling DCI after removing the i bits;

[0034] or,

[0035] Remove j bits from a predetermined position of the downlink scheduling DCI, and read the data content of the downlink scheduling DCI after removing the j bits.

[0036] According to a third aspect of the present invention, a downlink control information configuration apparatus is provided, wherein it is applied in a base station, the apparatus comprising: a setting module, wherein...

[0037] The setting module is used to set the same number of bits for the uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission.

[0038] In one embodiment, the apparatus further includes:

[0039] The first determining module is used to determine the setting method of configuring the same number of bits for the uplink scheduling DCI and the downlink scheduling DCI;

[0040] The setting module includes:

[0041] The setting submodule is used to set the same number of bits for the uplink DCI and the downlink scheduling DCI of the multi-TB transmission according to the setting method.

[0042] In one embodiment, the first determining module includes:

[0043] The first determining submodule is used to determine the setting method according to the indication information, wherein the indication information is sent by the user equipment (UE) or the core network element.

[0044] In one embodiment, the setting submodule includes:

[0045] The first setting unit is configured to, according to a first setting method, configure the same number of bits for the uplink scheduling DCI and the downlink scheduling DCI of the multi-TB transmission based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE;

[0046] or,

[0047] The second setting unit is configured, according to a second setting method, to configure the same number of bits for the uplink scheduling DCI and the downlink scheduling DCI of the multi-TB transmission based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE.

[0048] In one embodiment, the setting submodule includes:

[0049] The third setting unit is used to add n bits of a preset value to a predetermined position of the uplink scheduling DCI configured based on the maximum uplink transmission TB number supported by the UE reported by the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number supported by the UE reported by the UE, according to a third setting method, so that the number of bits in the uplink scheduling DCI and the downlink scheduling DCI are the same.

[0050] or,

[0051] The fourth setting unit is configured to, according to the fourth setting method, add m bits of a preset value to a predetermined position of the uplink scheduling DCI configured based on the maximum uplink transmission TB number configured by the base station for the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number configured by the base station for the UE, so that the number of bits in the uplink scheduling DCI and the downlink scheduling DCI are the same.

[0052] According to a fourth aspect of the present invention, a downlink control information receiving apparatus is provided, wherein it is applied in a user equipment, the apparatus comprising: a blind detection module, wherein...

[0053] The blind detection module is used to blindly detect the uplink scheduling DCI and downlink scheduling DCI of multi-TB transmission according to a preset number of blind detection bits, wherein the uplink scheduling DCI and the downlink scheduling DCI have the same number of bits.

[0054] In one embodiment, the apparatus further includes:

[0055] The second determining module is used to determine the preset number of blind detection bits based on the larger of the maximum uplink transmission TB number and the maximum downlink TB number supported by the UE reported to the base station by the user equipment UE.

[0056] or,

[0057] The third determining module is used to determine the preset number of blind detection bits based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE.

[0058] In one embodiment, wherein

[0059] The second determining module includes:

[0060] The second determining submodule is used to determine the preset number of blind detection bits based on the larger of the maximum uplink transmission TB number supported by the UE and the downlink transmission TB number supported by the UE, for the uplink scheduling DCI configured based on the maximum uplink transmission TB number supported by the UE reported by the UE and the downlink scheduling DCI configured based on the maximum downlink transmission TB number supported by the UE reported by the UE.

[0061] or,

[0062] The third determining submodule configures the uplink scheduling DCI based on the maximum uplink transmission TB configured by the base station for the UE, and the downlink scheduling DCI based on the maximum downlink transmission TB configured by the base station for the UE, and determines the preset number of blind detection bits based on the larger of the maximum uplink transmission TB configured by the base station for the UE and the maximum downlink transmission TB.

[0063] In one embodiment, the apparatus further includes:

[0064] The first reading module is used to remove i bits at a predetermined position of the uplink scheduling DCI and read the data content of the uplink scheduling DCI after removing the i bits;

[0065] or,

[0066] The second reading module is used to remove j bits at a predetermined position of the downlink scheduling DCI and read the data content of the downlink scheduling DCI after removing the j bits.

[0067] According to a fifth aspect of the present invention, a communication device is provided, including a processor, a memory, and an executable program stored in the memory and capable of being executed by the processor, wherein when the processor executes the executable program, it performs the steps of the downlink control information configuration method as described in the first aspect, or the steps of the downlink control information receiving method as described in the second aspect.

[0068] According to a sixth aspect of the present invention, a storage medium is provided that stores an executable program thereon, wherein the executable program, when executed by a processor, implements the steps of the downlink control information configuration method of the first aspect, or the steps of the downlink control information receiving method of the second aspect.

[0069] The downlink control information configuration method, apparatus, communication device, and storage medium provided in this invention configure the same number of bits for both uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission. Thus, when the UE performs DCI decoding, it no longer needs to use different numbers of blind detection bits to perform blind detection on the uplink and downlink scheduling DCI separately due to the different number of bits in the uplink and downlink scheduling DCI. Instead, it only needs to use the same number of blind detection bits for both the uplink and downlink scheduling DCI, thereby reducing the number of blind detection bits that the UE needs to match and improving blind detection efficiency.

[0070] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit the embodiments of the present invention. Attached Figure Description

[0071] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments of the invention.

[0072] Figure 1 This is a multi-TB scheduling intent illustrated according to an exemplary embodiment;

[0073] Figure 2 This is a schematic diagram illustrating the structure of a wireless communication system according to an exemplary embodiment;

[0074] Figure 3 This is a flowchart illustrating a downlink control information configuration method according to an exemplary embodiment;

[0075] Figure 4 This is a flowchart illustrating a downlink control information receiving method according to an exemplary embodiment;

[0076] Figure 5 This is a block diagram illustrating a downlink control information configuration device according to an exemplary embodiment;

[0077] Figure 6 This is a block diagram illustrating a downlink control information receiving device according to an exemplary embodiment;

[0078] Figure 7 This is a block diagram illustrating an apparatus for configuring downlink control information according to an exemplary embodiment. Detailed Implementation

[0079] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with those of the present invention. Rather, they are merely examples of apparatuses and methods consistent with some aspects of the embodiments of the present invention as detailed in the appended claims.

[0080] The terminology used in this embodiment of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. The singular forms “a,” “the,” and “the” as used in the embodiments of the invention and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0081] It should be understood that although the terms first, second, third, etc., may be used to describe various information in embodiments of the present invention, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of embodiments of the present invention, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if" as used herein may be interpreted as "when," "when," or "in response to a determination."

[0082] Please refer to Figure 2 This illustrates a schematic diagram of a wireless communication system provided in an embodiment of the present invention. Figure 2 As shown, the wireless communication system is a communication system based on cellular mobile communication technology. The wireless communication system may include: a number of terminals 11 and a number of base stations 12.

[0083] Terminal 11 can be a device that provides voice and / or data connectivity to a user. Terminal 11 can communicate with one or more core networks via a Radio Access Network (RAN). Terminal 11 can be an Internet of Things (IoT) terminal, such as a sensor device, a mobile phone (or "cellular" phone), and a computer with an IoT terminal. For example, it can be a fixed, portable, pocket-sized, handheld, computer-embedded, or vehicle-mounted device. Examples include a station (STA), subscriber unit, subscriber station, mobile station, mobile station, remote station, access point, remote terminal, access terminal, user terminal, user agent, user device, or user equipment (UE). Alternatively, terminal 11 can also be a device in an unmanned aerial vehicle (UAV). Alternatively, terminal 11 can also be a vehicle-mounted device, such as a vehicle computer with wireless communication capabilities, or a wireless communication device connected to an external vehicle computer. Alternatively, terminal 11 can also be a roadside device, such as a street light, traffic light, or other roadside device with wireless communication capabilities.

[0084] Base station 12 can be a network-side device in a wireless communication system. This wireless communication system can be a fourth-generation mobile communication (4G) system, also known as a Long Term Evolution (LTE) system; or it can be a 5G system, also known as a New Radio (NR) system or a 5G NR system. Alternatively, it can be a next-generation system after 5G. In this case, the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network). Alternatively, it can be an MTC system.

[0085] In this embodiment, base station 12 can be an evolved NB (eNB) used in a 4G system. Alternatively, base station 12 can also be a gNB (gNB) using a centralized-distributed architecture in a 5G system. When base station 12 adopts a centralized-distributed architecture, it typically includes a central unit (CU) and at least two distributed units (DU). The central unit is equipped with a protocol stack of the Packet Data Convergence Protocol (PDCP) layer, the Radio Link Control (RLC) layer, and the Media Access Control (MAC) layer; the distributed units are equipped with a physical (PHY) layer protocol stack. This embodiment of the invention does not limit the specific implementation of base station 12.

[0086] Base station 12 and terminal 11 can establish a wireless connection via a wireless air interface. In different implementations, the wireless air interface is a wireless air interface based on the fourth-generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth-generation mobile communication network technology (5G) standard, such as a new air interface; or, the wireless air interface can also be a wireless air interface based on a next-generation mobile communication network technology standard based on 5G.

[0087] In some embodiments, terminals 11 can also establish E2E (End to End) connections. Examples include V2V (vehicle to vehicle), V2I (vehicle to Infrastructure), and V2P (vehicle to pedestrian) communication scenarios in vehicle-to-everything (V2X) communication.

[0088] In some embodiments, the wireless communication system described above may further include a network management device 13.

[0089] Several base stations 12 are connected to network management device 13. Network management device 13 can be a core network device in a wireless communication system, such as a Mobility Management Entity (MME) in an Evolved Packet Core (EPC). Alternatively, it can be other core network devices, such as a Serving Gateway (SGW), a Public Data Network Gateway (PGW), a Policy and Charging Rules Function (PCRF), or a Home Subscriber Server (HSS). The implementation of network management device 13 is not limited in this embodiment.

[0090] The execution entities involved in the embodiments of the present invention include, but are not limited to, terminals or base stations in wireless communication systems.

[0091] One application scenario of this invention is that the UE has different uplink and downlink support capabilities, so the UE needs to send the maximum supported uplink TB and downlink TB to the base station. Based on the different TB transmission capabilities, the base station can further configure the maximum transmission TB for the UE.

[0092] When the configured maximum scheduling TB number is different, the number of bits used in the DCI will also be different. Even if the maximum scheduling TB number used in the uplink scheduling DCI and the downlink scheduling DCI is different, the number of bits used in the uplink scheduling DCI and the downlink scheduling DCI will also be inconsistent.

[0093] The inconsistent number of DCI bits in uplink and downlink scheduling necessitates that the UE perform blind detection on both the uplink and downlink DCI bits separately, based on the possible alternative blind detection bits, during PDCCH blind detection. Since there are multiple alternative blind detection bits, the number of bits requiring matching increases, raising user complexity and power consumption.

[0094] like Figure 3 As shown in the exemplary embodiment, this method provides a downlink control information configuration method, which can be applied to a wireless communication base station. The method includes:

[0095] Step 101: Set the same number of bits for the uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission.

[0096] The DCI (Distributed Control Information) is sent from the base station to the UE. The information indicated in the DCI includes uplink / downlink resource allocation, and / or HARQ information, and / or power control. The base station can set the number of bits for the uplink scheduling DCI and the downlink scheduling DCI. The uplink scheduling DCI can be used to schedule multiple uplink TB (Through-Track) transmissions. The downlink scheduling DCI can be used to schedule multiple downlink TB (Through-Track) transmissions. A base station supporting MTC (Medium-Terminal Control) can send the DCI to the UE using PDCCH (Programmable Module Control) resources, where the PDCCH can be an MPDCCH (Multi-Module Control Module Control).

[0097] The UE will send its maximum supported uplink transmission TB and maximum downlink transmission TB to the base station. Optionally, the base station configures the maximum uplink transmission TB and maximum downlink transmission TB for the UE based on actual transmission capacity and other conditions. When scheduling TB, the actual scheduled TB information is set in the uplink scheduling DCI or downlink scheduling DCI and sent to the UE. Typically, the uplink TB scheduled by the base station is less than or equal to the maximum uplink transmission TB configured by the base station, and the downlink TB scheduled by the base station is less than or equal to the maximum downlink transmission TB configured by the base station.

[0098] The base station can generate uplink and downlink scheduling DCIs based on different maximum uplink and downlink transmission TB configurations. The generated DCI may include the number of NDIs and HARQ processes per TB. Therefore, the number of bits occupied by the uplink and downlink scheduling DCIs differs depending on the maximum uplink and downlink transmission TB configurations of the base station.

[0099] Because the uplink and downlink transmission capabilities differ, the maximum uplink transmission capacity (TB) and maximum downlink transmission capacity (TB) configured for a base station are typically different. Therefore, the number of bits in the uplink scheduling DCI and downlink scheduling DCI configured based on these different maximum uplink and downlink transmission capacity (TB) values ​​also differs.

[0100] The base station uses PDCCH resources to transmit uplink scheduling DCI and downlink scheduling DCI, which are then received by the UE on the PDCCH resources. The UE receives the uplink and downlink scheduling DCI by performing blind detection on the PDCCH resources through channel decoding. The UE performs blind detection of the DCI based on the number of blind detection bits.

[0101] Here, the base station can set the number of bits in the uplink scheduling DCI and the downlink scheduling DCI to be the same. For example, the shorter of the uplink and downlink scheduling DCIs can be increased by adding redundant bits to make them have the same number of bits. Alternatively, a fixed number of bits can be used to make the uplink and downlink scheduling DCIs have the same number of bits.

[0102] The base station can set the DCI bit count in the following ways: configure the DCI according to the number of TBs, that is, carry the NDI and HARQ process count and other indication information of each TB in the DCI according to the number of TBs; the DCI bit count can also be adjusted by adding additional bits after configuring the DCI according to the number of TBs.

[0103] When performing blind detection of DCI, since the number of bits in the uplink scheduling DCI or the number of bits in the downlink scheduling DCI are the same, the UE determines the number of bits in the uplink scheduling DCI or the number of bits in the downlink scheduling DCI as the preset number of blind detection bits, and uses the same preset number of blind detection bits to perform blind detection of DCI, instead of using two different numbers of blind detection bits for blind detection.

[0104] In this way, when the UE performs DCI decoding, it no longer needs to use different numbers of blind detection bits to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI respectively because the number of bits of uplink scheduling DCI and downlink scheduling DCI are different. It only needs to use the same number of blind detection bits to perform blind detection on uplink scheduling DCI and downlink scheduling DCI, thereby reducing the number of blind detection bits that the UE needs to match and improving blind detection efficiency.

[0105] In one embodiment, the method further includes: determining a setting method for configuring the uplink scheduling DCI and the downlink scheduling DCI with the same number of bits;

[0106] The uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission are set with the same number of bits, including:

[0107] According to the configuration method, the same number of bits is set for the uplink DCI and the downlink scheduling DCI of the multi-TB transmission.

[0108] There are several ways to set the number of DCI bits, such as adding bits directly to the DCI or using a fixed number of bits in the DCI.

[0109] The base station and the UE can agree on the setting method of the number of DCI bits in advance or determine the setting method of the number of DCI bits through external commands.

[0110] The DCI bit count setting can be based on the maximum uplink and downlink TB supported by the UE, or the maximum uplink and downlink TB configured by the base station for the UE, etc.

[0111] In one embodiment, determining the setting method for configuring the same number of bits for the uplink scheduling DCI and the downlink scheduling DCI includes:

[0112] The setting method is determined according to the instruction information, wherein the instruction information is sent by the UE or by the core network element.

[0113] The core network can issue instruction information, and the base station can determine the DCI bit configuration method based on the instruction information.

[0114] In some embodiments, the UE uploads indication information to the base station, and the base station determines the DCI bit number configuration method based on the indication information.

[0115] In one embodiment, setting the same number of bits for the uplink DCI and the downlink scheduling DCI for the multi-TB transmission according to the setting method includes:

[0116] According to the first setting method, the same number of bits is configured for the uplink scheduling DCI and the downlink scheduling DCI of the multi-TB transmission based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE.

[0117] The base station can use the larger of the maximum uplink transmission TB and the maximum downlink transmission TB reported by the UE as the number of TB to be used when configuring the uplink scheduling DCI and the downlink scheduling DCI.

[0118] The number of TBs actually scheduled by the base station is less than or equal to the greater of the maximum uplink transmission TBs and the maximum downlink transmission TBs supported by the UE. Therefore, configuring the number of DCI bits according to the greater of the maximum supported uplink TBs and the maximum supported downlink TBs will not affect the subsequent actual scheduling of TBs. When actually scheduling TBs, the base station can set the information of each TB in the uplink scheduling DCI or downlink scheduling DCI according to actual needs, and send the uplink scheduling DCI or downlink scheduling DCI with the completed TB information setting to the UE.

[0119] The base station and UE pre-agree to configure uplink scheduling DCI and downlink scheduling DCI using the first setting method. Therefore, the UE will also estimate the number of DCI bits according to the larger of the maximum uplink transmission TB and the maximum downlink transmission TB reported by the UE, and use the estimated number of bits as the preset blind detection bit number to perform blind detection on uplink scheduling DCI and downlink scheduling DCI on PDCCH.

[0120] For example, when the UE reports that the maximum uplink transmission TB and the maximum downlink transmission TB supported by the UE are 8 and 4 respectively, and the base station configures the maximum uplink transmission TB and the maximum downlink transmission TB as 4 and 2 respectively, the base station can configure the uplink scheduling DCI and the downlink scheduling DCI according to the maximum uplink transmission TB reported by the UE.

[0121] The UE also uses the maximum uplink transmission TB reported by the UE to estimate the number of DCI bits, and uses the estimated number of bits as the preset blind detection number to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH.

[0122] When the base station performs TB scheduling, it sets the NDI and HARQ process count of the actual scheduled TB in the uplink scheduling DCI and downlink scheduling DCI, and then sends the uplink scheduling DCI and downlink scheduling DCI to the UE. The UE receives or sends TBs according to the actual number of scheduled TBs.

[0123] In one embodiment, setting the same number of bits for the uplink DCI and the downlink scheduling DCI for the multi-TB transmission according to the setting method includes:

[0124] According to the second setting method, the same number of bits is configured for the uplink scheduling DCI and the downlink scheduling DCI of the multi-TB transmission based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE.

[0125] The base station can use the larger of the maximum uplink transmission TB and the maximum downlink transmission TB configured in the base station as the TB number used when scheduling uplink DCI and downlink DCI.

[0126] The number of TBs actually scheduled by the base station is less than or equal to the larger of the maximum uplink transmission TBs and the maximum downlink transmission TBs configured by the base station. Therefore, configuring the DCI bit count according to the larger of the maximum uplink transmission TBs and the maximum downlink transmission TBs configured by the base station will not affect the subsequent actual TB scheduling. When actually scheduling TBs, the base station can set the information of each TB in the uplink scheduling DCI or downlink scheduling DCI based on actual needs, and send the uplink scheduling DCI or downlink scheduling DCI with the completed TB information setting to the UE.

[0127] The base station and UE pre-agree to configure the uplink scheduling DCI and downlink scheduling DCI using the second configuration method. Therefore, the UE will also estimate the number of bits for the DCI using the greater of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station, and use the estimated number of bits as the preset blind detection bit count to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH. The greater of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station can be sent to the UE by the base station via higher-layer signaling, etc.

[0128] For example, when the maximum uplink transmission TB and the maximum downlink transmission TB reported by the UE are 8 and 4 respectively, and the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station are 4 and 2 respectively, the base station can configure the uplink scheduling DCI and the downlink scheduling DCI according to the maximum uplink transmission TB configured by the base station.

[0129] The UE also uses the maximum uplink transmission TB number configured by the base station to estimate the number of DCI bits, and uses the estimated number of bits as the preset blind detection number to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH.

[0130] When the base station performs TB scheduling, it sets the NDI and HARQ process count of the actual scheduled TB in the uplink scheduling DCI and downlink scheduling DCI, and then sends the uplink scheduling DCI and downlink scheduling DCI to the UE. The UE receives or sends TBs according to the actual number of scheduled TBs.

[0131] When both the uplink and downlink of the UE are configured to support multi-TB transmission, but the maximum uplink transmission TB and the maximum downlink transmission TB reported by the UE are different, and the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station for the UE are different, the number of bits of the uplink scheduling DCI and the downlink scheduling DCI can be configured using either the first setting method or the second setting method.

[0132] When both the uplink and downlink of the UE are configured to support multi-TB transmission, and the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE are different, while the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE are the same, the second setting method can be used to configure the number of uplink scheduling DCI and downlink scheduling DCI bits.

[0133] When both the uplink and downlink of the UE are configured to support multi-TB transmission, and the maximum number of uplink transmission TBs and the maximum number of downlink transmission TBs reported by the UE are the same, but the maximum number of uplink transmission TBs and the maximum number of downlink transmission TBs configured by the base station for the UE are different, the first setting method can be used to configure the number of uplink scheduling DCI and downlink scheduling DCI bits.

[0134] In one embodiment, setting the same number of bits for the uplink DCI and the downlink scheduling DCI for the multi-TB transmission according to the setting method includes:

[0135] According to the third setting method, for the uplink scheduling DCI configured based on the maximum uplink transmission TB number supported by the UE reported by the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number supported by the UE reported by the UE, n bits of a preset value are added to the predetermined position of the uplink scheduling DCI and the downlink scheduling DCI with the smaller number of bits, so that the number of bits of the uplink scheduling DCI and the number of bits of the downlink scheduling DCI are the same.

[0136] or,

[0137] According to the fourth setting method, for the uplink scheduling DCI configured based on the maximum uplink transmission TB number configured by the base station for the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number configured by the base station for the UE, m bits of a preset value are added to the predetermined position of the uplink scheduling DCI and the downlink scheduling DCI with the smaller number of bits, so that the number of bits of the uplink scheduling DCI and the downlink scheduling DCI are the same.

[0138] If the uplink scheduling DCI is configured based on the maximum uplink transmission TB supported by the UE, and the downlink scheduling DCI is configured based on the maximum downlink transmission TB supported by the UE, then the number of bits in the uplink scheduling DCI and the downlink scheduling DCI will be different when the maximum uplink transmission TB supported by the UE and the maximum downlink transmission TB supported by the UE are different.

[0139] If the uplink scheduling DCI is configured based on the maximum uplink transmission TB configured by the base station, and the downlink scheduling DCI is configured based on the maximum downlink transmission TB configured by the base station, then the number of bits in the uplink scheduling DCI and the downlink scheduling DCI will be different when the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station are different.

[0140] At this point, the number of bits in the uplink scheduling DCI or downlink scheduling DCI can be increased by adding preset values ​​at predetermined positions in the uplink scheduling DCI or downlink scheduling DCI with a smaller number of bits, so that the number of bits in the uplink scheduling DCI and the downlink scheduling DCI are the same.

[0141] This means that the predetermined position can be the tail of either the uplink scheduling DCI or the downlink scheduling DCI. The default value can be "0".

[0142] If the uplink scheduling DCI is shorter than the downlink scheduling DCI, the number of bits in the uplink scheduling DCI can be increased to match the number of bits in the downlink scheduling DCI by padding with "0".

[0143] If the downlink scheduling DCI is shorter than the uplink scheduling DCI, then the downlink scheduling DCI can be padded with "0"s to make the number of bits in the downlink scheduling DCI match the number of bits in the uplink scheduling DCI.

[0144] The base station and the UE agree in advance to use either the third or fourth setting method to configure the uplink scheduling DCI and downlink scheduling DCI.

[0145] When the base station is configured with uplink scheduling DCI and downlink scheduling DC in the third setting mode, the UE can estimate the number of DCI bits by using the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE, and use the estimated number of bits as the preset blind detection bit number to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH.

[0146] When the base station is configured with uplink scheduling DCI and downlink scheduling DC in the fourth configuration mode, the UE can estimate the number of DCI bits based on the greater of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station, and use the estimated number of bits as the preset blind detection bit count to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH. The greater of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station can be sent to the UE by the base station through higher-layer signaling, etc.

[0147] When i bits with preset values ​​are added to a predetermined position in the uplink scheduling DCI, the UE can ignore the i bits that are added after receiving the uplink scheduling DCI and parse the uplink scheduling DCI.

[0148] When j bits with a preset value are added to a predetermined position in the downlink scheduling DCI, the UE can ignore the additional j bits and parse the downlink scheduling DCI after receiving it.

[0149] For example, if the uplink scheduling DCI is 30 bits and the downlink scheduling DCI is 26 bits, the base station can add 4 bits to the end of the downlink scheduling DCI to maintain consistency in the number of bits between the uplink and downlink scheduling DCIs. These 4 added bits can be preset values. After receiving the downlink scheduling DCI, the UE determines that 4 bits are used for bit supplementation by reading the preset values ​​at the end of the downlink scheduling DCI. The UE can ignore these 4 added bits and parse the downlink scheduling DCI.

[0150] When only one uplink or downlink of a user equipment supports multi-TB transmission, and the other link only supports single-TB scheduling, the number of uplink scheduling DCI or downlink scheduling DCI bits can be configured by using supplementary bits.

[0151] For example, when the UE is configured to support multi-TB transmission on only one of the uplink or downlink links, and the other link only supports single-TB scheduling, the number of bits in the uplink scheduling DCI and the number of bits in the downlink scheduling DCI can be configured by adding bits at predetermined positions in the DCI.

[0152] like Figure 4 As shown in the exemplary embodiment, this method provides a downlink control information receiving method, which can be applied to user equipment in wireless communication. The method includes:

[0153] Step 201: Based on the preset number of blind detection bits, perform blind detection on the uplink scheduling DCI and downlink scheduling DCI of multi-TB transmission, wherein the uplink scheduling DCI and the downlink scheduling DCI have the same number of bits.

[0154] DCI (Downlink Control Information) is downlink control information sent from the base station to the UE. The information indicated in the DCI includes uplink / downlink resource allocation, and / or HARQ information, and / or power control, etc. The base station can set the number of bits for both the uplink and downlink scheduling DCIs. The uplink scheduling DCI can be used to schedule multiple uplink TB (Through-Track) transmissions. The downlink scheduling DCI can be used to schedule multiple downlink TB (Through-Track) transmissions. A base station supporting MTC (Medium-Terminal Control) can send the DCI to the UE using PDCCH (Programmable Module Control) resources, where the PDCCH can be an MPDCCH (Multi-Module Control Module Control).

[0155] The UE will send its maximum supported uplink transmission TB and maximum downlink transmission TB to the base station. Optionally, the base station configures the maximum uplink transmission TB and maximum downlink transmission TB for the UE based on actual transmission capacity and other conditions. When scheduling TB, the actual scheduled TB information is set in the uplink scheduling DCI or downlink scheduling DCI and sent to the UE. Typically, the uplink TB scheduled by the base station is less than or equal to the maximum uplink transmission TB configured by the base station, and the downlink TB scheduled by the base station is less than or equal to the maximum downlink transmission TB configured by the base station.

[0156] The base station can generate uplink and downlink scheduling DCIs based on different maximum uplink and downlink transmission TB configurations. The generated DCI may include the number of NDIs and HARQ processes per TB. Therefore, the number of bits occupied by the uplink and downlink scheduling DCIs differs depending on the maximum uplink and downlink transmission TB configurations of the base station.

[0157] Because the uplink and downlink transmission capabilities differ, the maximum uplink transmission capacity (TB) and maximum downlink transmission capacity (TB) configured for a base station are typically different. Therefore, the number of bits in the uplink scheduling DCI and downlink scheduling DCI configured based on these different maximum uplink and downlink transmission capacity (TB) values ​​also differs.

[0158] The base station uses PDCCH resources to transmit uplink scheduling DCI and downlink scheduling DCI, which are then received by the UE on the PDCCH resources. The UE receives the uplink and downlink scheduling DCI by performing blind detection on the PDCCH resources through channel decoding. The UE performs blind detection of the DCI based on the number of blind detection bits.

[0159] Here, the base station can set the number of bits in the uplink scheduling DCI and the downlink scheduling DCI to be the same. For example, the shorter of the uplink and downlink scheduling DCIs can be increased by adding redundant bits to make them have the same number of bits. Alternatively, a fixed number of bits can be used to make the uplink and downlink scheduling DCIs have the same number of bits.

[0160] The methods for setting the DCI bit count for a base station may include: configuring the DCI based on the number of TBs, that is, configuring the number of NDI and HARQ processes for each TB in the DCI based on the number of TBs; or adjusting the DCI bit count by adding additional bits after configuring the DCI based on the number of TBs.

[0161] When performing blind detection of DCI, since the number of bits in the uplink scheduling DCI or the number of bits in the downlink scheduling DCI are the same, the UE determines the number of bits in the uplink scheduling DCI or the number of bits in the downlink scheduling DCI as the preset number of blind detection bits, and uses the same preset number of blind detection bits to perform blind detection of DCI, instead of using two different numbers of blind detection bits for blind detection.

[0162] In this way, when the UE performs DCI decoding, it no longer needs to use different numbers of blind detection bits to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI respectively because the number of bits of uplink scheduling DCI and downlink scheduling DCI are different. It only needs to use the same number of blind detection bits to perform blind detection on uplink scheduling DCI and downlink scheduling DCI, thereby reducing the number of blind detection bits that the UE needs to match and improving blind detection efficiency.

[0163] In one embodiment, the method further includes: determining the preset number of blind detection bits based on the larger of the maximum uplink transmission TB number and the maximum downlink TB number supported by the UE reported to the base station by the UE;

[0164] The base station can use the larger of the maximum uplink transmission TB and the maximum downlink transmission TB reported by the UE as the number of TB to be used when configuring the uplink scheduling DCI and the downlink scheduling DCI.

[0165] The number of TBs actually scheduled by the base station is less than or equal to the greater of the maximum uplink transmission TBs and the maximum downlink transmission TBs supported by the UE. Therefore, configuring the number of DCI bits according to the greater of the maximum supported uplink TBs and the maximum supported downlink TBs will not affect the subsequent actual scheduling of TBs. When actually scheduling TBs, the base station can set the information of each TB in the uplink scheduling DCI or downlink scheduling DCI according to actual needs, and send the uplink scheduling DCI or downlink scheduling DCI with the completed TB information setting to the UE.

[0166] The base station and UE pre-agree to configure uplink scheduling DCI and downlink scheduling DCI using the first setting method. Therefore, the UE will also estimate the number of DCI bits according to the larger of the maximum uplink transmission TB and the maximum downlink transmission TB reported by the UE, and use the estimated number of bits as the preset blind detection bit number to perform blind detection on uplink scheduling DCI and downlink scheduling DCI on PDCCH.

[0167] For example, when the UE reports that the maximum uplink transmission TB and the maximum downlink transmission TB supported by the UE are 8 and 4 respectively, and the base station configures the maximum uplink transmission TB and the maximum downlink transmission TB as 4 and 2 respectively, the base station can configure the uplink scheduling DCI and the downlink scheduling DCI according to the maximum uplink transmission TB reported by the UE.

[0168] The UE also uses the maximum uplink transmission TB reported by the UE to estimate the number of DCI bits, and uses the estimated number of bits as the preset blind detection number to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH.

[0169] When the base station performs TB scheduling, it sets the NDI and HARQ process count of the actual scheduled TB in the uplink scheduling DCI and downlink scheduling DCI, and then sends the uplink scheduling DCI and downlink scheduling DCI to the UE. The UE receives or sends TBs according to the actual number of scheduled TBs.

[0170] In one embodiment, the method further includes: determining the preset number of blind detection bits based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE.

[0171] The base station can use the larger of the maximum uplink transmission TB and the maximum downlink transmission TB configured in the base station as the TB number used when scheduling uplink DCI and downlink DCI.

[0172] The number of TBs actually scheduled by the base station is less than or equal to the larger of the maximum uplink transmission TBs and the maximum downlink transmission TBs configured by the base station. Therefore, configuring the DCI bit count according to the larger of the maximum uplink transmission TBs and the maximum downlink transmission TBs configured by the base station will not affect the subsequent actual TB scheduling. When actually scheduling TBs, the base station can set the information of each TB in the uplink scheduling DCI or downlink scheduling DCI based on actual needs, and send the uplink scheduling DCI or downlink scheduling DCI with the completed TB information setting to the UE.

[0173] The base station and UE pre-agree to configure the uplink scheduling DCI and downlink scheduling DCI using the second configuration method. Therefore, the UE will also estimate the number of bits for the DCI using the greater of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station, and use the estimated number of bits as the preset blind detection bit count to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH. The greater of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station can be sent to the UE by the base station via higher-layer signaling, etc.

[0174] For example, when the maximum uplink transmission TB and the maximum downlink transmission TB reported by the UE are 8 and 4 respectively, and the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station are 4 and 2 respectively, the base station can configure the uplink scheduling DCI and the downlink scheduling DCI according to the maximum uplink transmission TB configured by the base station.

[0175] The UE also uses the maximum uplink transmission TB number configured by the base station to estimate the number of DCI bits, and uses the estimated number of bits as the preset blind detection number to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH.

[0176] When the base station performs TB scheduling, it sets the NDI and HARQ process count of the actual scheduled TB in the uplink scheduling DCI and downlink scheduling DCI, and then sends the uplink scheduling DCI and downlink scheduling DCI to the UE. The UE receives or sends TBs according to the actual number of scheduled TBs.

[0177] When both the uplink and downlink of the UE are configured to support multi-TB transmission, but the maximum uplink transmission TB and the maximum downlink transmission TB reported by the UE are different, and the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station for the UE are different, the number of bits of the uplink scheduling DCI and the downlink scheduling DCI can be configured using either the first setting method or the second setting method.

[0178] When both the uplink and downlink of the UE are configured to support multi-TB transmission, and the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE are different, while the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE are the same, the second setting method can be used to configure the number of uplink scheduling DCI and downlink scheduling DCI bits.

[0179] When both the UE's uplink and downlink are configured to support multi-TB transmission, and the UE reports the same maximum uplink transmission TB and maximum downlink transmission TB supported by the UE, but the base station configures different maximum uplink and downlink transmission TB for the UE, the first setting method can be used to configure the number of uplink scheduling DCI and downlink scheduling DCI bits. In one embodiment, determining the preset blind detection bit number based on the larger of the maximum uplink transmission TB and maximum downlink transmission TB supported by the UE reported to the base station includes:

[0180] For the uplink scheduling DCI configured based on the maximum uplink transmission TB number supported by the UE reported by the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number supported by the UE reported by the UE, the preset number of blind detection bits is determined according to the larger of the maximum uplink transmission TB number supported by the UE and the maximum downlink transmission TB number.

[0181] or,

[0182] For the uplink scheduling DCI configured based on the maximum uplink transmission TB number configured by the base station for the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number configured by the base station for the UE, the preset number of blind detection bits is determined according to the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE.

[0183] If the uplink scheduling DCI is configured based on the maximum uplink transmission TB supported by the UE, and the downlink scheduling DCI is configured based on the maximum downlink transmission TB supported by the UE, then the number of bits in the uplink scheduling DCI and the downlink scheduling DCI will be different when the maximum uplink transmission TB supported by the UE and the maximum downlink transmission TB supported by the UE are different.

[0184] If the uplink scheduling DCI is configured based on the maximum uplink transmission TB configured by the base station, and the downlink scheduling DCI is configured based on the maximum downlink transmission TB configured by the base station, then the number of bits in the uplink scheduling DCI and the downlink scheduling DCI will be different when the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station are different.

[0185] At this point, the number of bits in the uplink scheduling DCI or downlink scheduling DCI can be increased by adding preset values ​​at predetermined positions in the uplink scheduling DCI or downlink scheduling DCI with a smaller number of bits, so that the number of bits in the uplink scheduling DCI and the downlink scheduling DCI are the same.

[0186] This means that the predetermined position can be the tail of either the uplink scheduling DCI or the downlink scheduling DCI. The default value can be "0".

[0187] If the uplink scheduling DCI is shorter than the downlink scheduling DCI, the number of bits in the uplink scheduling DCI can be increased to match the number of bits in the downlink scheduling DCI by padding with "0".

[0188] If the downlink scheduling DCI is shorter than the uplink scheduling DCI, then the downlink scheduling DCI can be padded with "0"s to make the number of bits in the downlink scheduling DCI match the number of bits in the uplink scheduling DCI.

[0189] The base station and the UE agree in advance to use either the third or fourth setting method to configure the uplink scheduling DCI and downlink scheduling DCI.

[0190] When the base station is configured with uplink scheduling DCI and downlink scheduling DC in the third setting mode, the UE can estimate the number of DCI bits by using the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE, and use the estimated number of bits as the preset blind detection bit number to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH.

[0191] When the base station is configured with uplink scheduling DCI and downlink scheduling DC in the fourth configuration mode, the UE can estimate the number of DCI bits based on the greater of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station, and use the estimated number of bits as the preset blind detection bit count to perform blind detection on the uplink scheduling DCI and downlink scheduling DCI on the PDCCH. The greater of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station can be sent to the UE by the base station through higher-layer signaling, etc.

[0192] For example, if the uplink scheduling DCI is 30 bits and the downlink scheduling DCI is 26 bits, the base station can add 4 bits to the end of the downlink scheduling DCI to maintain consistency in the number of bits between the uplink and downlink scheduling DCIs. These 4 added bits can be preset values. After receiving the downlink scheduling DCI, the UE determines that 4 bits are used for bit supplementation by reading the preset values ​​at the end of the downlink scheduling DCI. The UE can ignore these 4 added bits and parse the downlink scheduling DCI.

[0193] When only one uplink or downlink of a user equipment supports multi-TB transmission, and the other link only supports single-TB scheduling, the number of uplink scheduling DCI or downlink scheduling DCI bits can be configured by using supplementary bits.

[0194] For example, when the UE is configured to support multi-TB transmission on only one of the uplink or downlink links, and the other link only supports single-TB scheduling, the number of bits in the uplink scheduling DCI and the number of bits in the downlink scheduling DCI can be configured by adding bits at predetermined positions in the DCI.

[0195] In one embodiment, the method further includes:

[0196] Remove i bits from the predetermined position of the uplink scheduling DCI, and read the data content of the uplink scheduling DCI after removing the i bits;

[0197] or,

[0198] Remove j bits from a predetermined position of the downlink scheduling DCI, and read the data content of the downlink scheduling DCI after removing the j bits.

[0199] When i bits with preset values ​​are added to a predetermined position in the uplink scheduling DCI, the UE can ignore the i bits that are added after receiving the uplink scheduling DCI and parse the uplink scheduling DCI.

[0200] When j bits with a preset value are added to a predetermined position in the downlink scheduling DCI, the UE can ignore the additional j bits and parse the downlink scheduling DCI after receiving it.

[0201] The following is a specific example in conjunction with any of the above embodiments:

[0202] To address the issue of different bit counts between the uplink scheduling DCI and the downlink scheduling DCI, various methods can be employed to ensure that the bit counts of the uplink scheduling DCI and the downlink scheduling DCI remain consistent.

[0203] Method 1: Pad the shorter DCI with bits to align it with the longer DCI. For example, if the uplink scheduling DCI is 30 bits and the downlink scheduling DCI is 26 bits, then you can pad 4 bits after the downlink scheduling DCI to keep the number of bits in the uplink scheduling DCI consistent with the number of bits in the downlink scheduling DCI.

[0204] Method 2: When the uplink scheduling DCI and downlink scheduling DCI support different numbers of TBs, the uplink and downlink scheduling DCIs can be generated based on the larger of the maximum uplink and downlink transmission TBs reported by the UE. During actual TB scheduling, scheduling can be based on the actual configuration of the base station. For example, if the maximum uplink and downlink transmission TBs reported by the UE are 8 and 4 respectively, and the maximum uplink and downlink transmission TBs configured by the base station are 4 and 2 respectively, the uplink and downlink scheduling DCIs can be generated based on the maximum uplink transmission TBs reported by the UE. During actual scheduling, the downlink TBs actually scheduled by the base station are less than or equal to 2; the uplink TBs actually scheduled are less than or equal to 4.

[0205] Method 3: When the uplink TB and downlink TB configured by the base station for the UE are inconsistent, the DCI is generated based on the maximum TB between the maximum uplink and maximum downlink transmission TB configured by the base station for the UE. In actual scheduling, the actual configuration of the base station is followed. For example, if the UE reports a maximum uplink TB of 8 and a maximum downlink TB of 4, and the base station configures a maximum uplink TB of 4 and a maximum downlink TB of 2, the uplink and downlink scheduling DCIs can be generated based on the maximum uplink TB configured by the base station. In actual scheduling, the downlink TB actually scheduled by the base station is less than or equal to 2; the uplink TB actually scheduled is less than or equal to 4.

[0206] In practical applications, one of the three methods can be chosen to adjust the number of DCI bits.

[0207] The alignment method can be configured by higher-level signaling.

[0208] Different methods can also be used for different scenarios:

[0209] Scenario 1: When the UE is configured to support multi-TB transmission on only one of the uplink or downlink links, and the other link only supports single-TB scheduling, Method 1 can be used.

[0210] Scenario 2: When both the uplink and downlink of the UE are configured to support multi-TB transmission, and the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE are different, and the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE are different, Method 2 or Method 3 can be used.

[0211] Scenario 3: When both the uplink and downlink of the UE are configured to support multi-TB transmission, the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE are different, and the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE are the same, Method 3 can be used.

[0212] Scenario 4: When both the uplink and downlink of the UE are configured to support multi-TB transmission, the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE are the same, and the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE are different, Method 2 can be used.

[0213] This invention also provides a downlink control information configuration device, applied in a wireless communication base station. Figure 5 This is a schematic diagram of the composition of the downlink control information configuration device 100 provided in an embodiment of the present invention; as shown below. Figure 5 As shown, the device 100 includes: a setting module 110, wherein,

[0214] The setting module 110 is used to set the same number of bits for the uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission.

[0215] In one embodiment, the device 100 further includes:

[0216] The first determining module 120 is used to determine the setting method of configuring the same number of bits for the uplink scheduling DCI and the downlink scheduling DCI;

[0217] The setting module 110 includes:

[0218] Setting submodule 111 is used to set the same number of bits for the uplink DCI and the downlink scheduling DCI of the multi-TB transmission according to the setting method.

[0219] In one embodiment, the first determining module 120 includes:

[0220] The first determining submodule 121 is used to determine the setting method according to the indication information, wherein the indication information is sent by the UE or by the core network element.

[0221] In one embodiment, the setting submodule 111 includes:

[0222] The first setting unit 1111 is configured to, according to a first setting method, configure the same number of bits for the uplink scheduling DCI and the downlink scheduling DCI of the multi-TB transmission based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number reported by the UE;

[0223] or,

[0224] The second setting unit 1112 is configured, according to a second setting method, to configure the same number of bits for the uplink scheduling DCI and the downlink scheduling DCI of the multi-TB transmission based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE.

[0225] In one embodiment, the setting submodule 111 includes:

[0226] The third setting unit 1113 is used to add n bits of a preset value to a predetermined position of the uplink scheduling DCI and the downlink scheduling DCI, which are configured based on the maximum uplink transmission TB number supported by the UE reported by the UE, according to a third setting method, so that the number of bits in the uplink scheduling DCI and the downlink scheduling DCI are the same as the number of bits in the downlink scheduling DCI.

[0227] or,

[0228] The fourth setting unit 1114 is configured to, according to the fourth setting method, add m bits of a preset value to a predetermined position of the uplink scheduling DCI configured based on the maximum uplink transmission TB number configured by the base station for the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number configured by the base station for the UE, so that the number of bits in the uplink scheduling DCI and the downlink scheduling DCI are the same.

[0229] This invention also provides a downlink control information receiving device, applied in user equipment for wireless communication. Figure 6 This is a schematic diagram of the composition of the downlink control information receiving device 200 provided in an embodiment of the present invention; as shown below. Figure 6 As shown, the device 200 includes: a blind detection module 210, wherein,

[0230] The blind detection module 210 is used to blindly detect the uplink scheduling DCI and downlink scheduling DCI of multi-TB transmission according to a preset number of blind detection bits, wherein the uplink scheduling DCI and the downlink scheduling DCI have the same number of bits.

[0231] In one embodiment, the device 200 further includes:

[0232] The second determining module 220 is used to determine the preset number of blind detection bits based on the larger of the maximum uplink transmission TB number and the maximum downlink TB number supported by the UE reported to the base station by the UE.

[0233] or,

[0234] The third determining module 230 is used to determine the preset number of blind detection bits based on the larger of the maximum uplink transmission TB number and the maximum downlink transmission TB number configured by the base station for the UE.

[0235] In one embodiment, wherein

[0236] The second determining module 220 includes:

[0237] The second determining submodule 221 is used to determine the preset number of blind detection bits based on the larger of the maximum uplink transmission TB number supported by the UE and the downlink transmission TB number supported by the UE, for the uplink scheduling DCI configured based on the maximum uplink transmission TB number supported by the UE reported by the UE and the downlink scheduling DCI configured based on the maximum downlink transmission TB number supported by the UE reported by the UE.

[0238] or,

[0239] The third determining submodule 231 configures the uplink scheduling DCI configured based on the maximum uplink transmission TB number configured by the base station for the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number configured by the base station for the UE, and determines the preset number of blind detection bits according to the larger of the maximum uplink transmission TB number configured by the base station for the UE and the maximum downlink transmission TB number.

[0240] In one embodiment, the device 200 further includes:

[0241] The first reading module 240 is used to remove i bits at a predetermined position of the uplink scheduling DCI and read the data content of the uplink scheduling DCI after removing the i bits;

[0242] or,

[0243] The second reading module 250 is used to remove j bits at a predetermined position of the downlink scheduling DCI and read the data content of the downlink scheduling DCI after removing the j bits.

[0244] In an exemplary embodiment, the setting module 110, the first determining module 120, the blind detection module 21, the second determining module 220, the third determining module 230, the first reading module 240, and the second reading module 250 may be implemented by one or more central processing units (CPUs), graphics processing units (GPUs), baseband processors (BPs), application-specific integrated circuits (ASICs), DSPs, programmable logic devices (PLDs), complex programmable logic devices (CPLDs), field-programmable gate arrays (FPGAs), general-purpose processors, controllers, microcontrollers (MCUs), microprocessors, or other electronic components to perform the aforementioned method.

[0245] Figure 7 This is a block diagram illustrating an apparatus 3000 for configuring or receiving downlink control information according to an exemplary embodiment. For example, apparatus 3000 may be a mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, medical device, fitness equipment, personal digital assistant, etc.

[0246] Reference Figure 7 The device 3000 may include one or more of the following components: a processing component 3002, a memory 3004, a power supply component 3006, a multimedia component 3008, an audio component 3010, an input / output (I / O) interface 3012, a sensor component 3014, and a communication component 3016.

[0247] Processing component 3002 typically controls the overall operation of device 3000, such as operations associated with display, telephone calls, data communication, camera operation, and recording operations. Processing component 3002 may include one or more processors 3020 to execute instructions to complete all or part of the steps of the methods described above. Furthermore, processing component 3002 may include one or more modules to facilitate interaction between processing component 3002 and other components. For example, processing component 3002 may include a multimedia module to facilitate interaction between multimedia component 3008 and processing component 3002.

[0248] Memory 3004 is configured to store various types of data to support the operation of device 3000. Examples of this data include instructions for any application or method operating on device 3000, contact data, phonebook data, messages, pictures, videos, etc. Memory 3004 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk.

[0249] Power supply component 3006 provides power to various components of device 3000. Power supply component 3006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 3000.

[0250] Multimedia component 3008 includes a screen that provides an output interface between device 3000 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touchscreen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensors may sense not only the boundaries of touch or swipe actions but also the duration and pressure associated with the touch or swipe operation. In some embodiments, multimedia component 3008 includes a front-facing camera and / or a rear-facing camera. When device 3000 is in an operating mode, such as a shooting mode or video mode, the front-facing camera and / or rear-facing camera may receive external multimedia data. Each front-facing camera and rear-facing camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

[0251] Audio component 3010 is configured to output and / or input audio signals. For example, audio component 3010 includes a microphone (MIC) configured to receive external audio signals when device 3000 is in an operating mode, such as call mode, recording mode, and voice recognition mode. The received audio signals may be further stored in memory 3004 or transmitted via communication component 3016. In some embodiments, audio component 3010 also includes a speaker for outputting audio signals.

[0252] I / O interface 3012 provides an interface between processing component 3002 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to, home buttons, volume buttons, power buttons, and lock buttons.

[0253] Sensor assembly 3014 includes one or more sensors for providing state assessments of various aspects of device 3000. For example, sensor assembly 3014 may detect the on / off state of device 3000, the relative positioning of components such as the display and keypad of device 3000, changes in the position of device 3000 or a component of device 3000, the presence or absence of user contact with device 3000, the orientation or acceleration / deceleration of device 3000, and temperature changes of device 3000. Sensor assembly 3014 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. Sensor assembly 3014 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, sensor assembly 3014 may also include an accelerometer, gyroscope, magnetometer, pressure sensor, or temperature sensor.

[0254] Communication component 3016 is configured to facilitate wired or wireless communication between device 3000 and other devices. Device 3000 can access wireless networks based on communication standards, such as Wi-Fi, 2G, or 3G, or combinations thereof. In one exemplary embodiment, communication component 3016 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, communication component 3016 also includes a near-field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

[0255] In an exemplary embodiment, the apparatus 3000 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the methods described above.

[0256] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 3004 including instructions, which can be executed by a processor 3020 of the device 3000 to perform the above-described method. For example, the non-transitory computer-readable storage medium may be a ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, and optical data storage device, etc.

[0257] Other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the embodiments of the invention that follow the general principles of the embodiments of the invention and include common knowledge or customary techniques in the art not disclosed in the embodiments of the invention. The specification and embodiments are to be considered exemplary only, and the true scope and spirit of the embodiments of the invention are indicated by the following claims.

[0258] It should be understood that the embodiments of the present invention are not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from their scope. The scope of the embodiments of the present invention is limited only by the appended claims.

Claims

1. A method for configuring downlink control information, characterized in that, The method, executed by the base station, includes: Based on the larger of the maximum number of uplink transmission transport blocks (TB) and the maximum number of downlink transmission blocks (TB) reported by the user equipment (UE), the same number of bits is configured for the uplink scheduling downlink control information (DCI) and the downlink scheduling DCI for multi-TB transmission; or, based on the larger of the maximum number of uplink transmission blocks (TB) and the maximum number of downlink transmission blocks (TB) configured by the base station for the UE, the same number of bits is configured for the uplink scheduling DCI and the downlink scheduling DCI for multi-TB transmission. The configuration of the same number of bits for the uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission includes: Add m bits of a preset value to the predetermined position of the smaller of the number of bits in the configured uplink scheduling DCI and downlink scheduling DCI, so that the number of bits in the uplink scheduling DCI and the number of bits in the downlink scheduling DCI are the same.

2. The method according to claim 1, characterized in that, The configuration of the same number of bits for the uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission includes: For the uplink scheduling DCI configured based on the maximum uplink transmission TB number supported by the UE reported by the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number supported by the UE reported by the UE, n bits of a preset value are added to the predetermined position of the uplink scheduling DCI and the downlink scheduling DCI with the smaller number of bits after configuration, so that the number of bits of the uplink scheduling DCI and the downlink scheduling DCI are the same.

3. A method for receiving downlink control information, characterized in that, The method, executed by the user equipment (UE), includes: Blind detection of uplink scheduling and downlink control information (DCI) and downlink scheduling DCI for multi-transmission block (TB) transmission, wherein the uplink scheduling DCI and the downlink scheduling DCI have the same number of bits; Wherein, the same number of bits is determined by the base station based on the larger of the maximum uplink transmission TB and the maximum downlink transmission TB supported by the UE reported by the UE; or, the same number of bits is determined by the base station based on the larger of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station for the UE; In this configuration, m bits of a preset value are added to the predetermined position of the uplink scheduling DCI and the downlink scheduling DCI with the smaller number of bits, so that the number of bits in the uplink scheduling DCI and the downlink scheduling DCI are the same.

4. The method according to claim 3, characterized in that, The same number of bits is determined by the base station based on the uplink scheduling DCI configured by the base station based on the maximum uplink transmission TB supported by the UE reported by the UE, and the downlink scheduling DCI configured by the base station based on the maximum downlink transmission TB supported by the UE reported by the UE, based on the larger of the maximum uplink transmission TB supported by the UE and the maximum downlink transmission TB supported by the UE; or, the same number of bits is determined by the base station based on the uplink scheduling DCI configured by the base station for the UE based on the maximum uplink transmission TB configured by the base station for the UE, and the downlink scheduling DCI configured by the base station for the UE based on the maximum downlink transmission TB configured by the base station for the UE, based on the larger of the maximum uplink transmission TB configured by the base station for the UE and the maximum downlink transmission TB supported by the base station.

5. The method according to claim 3 or 4, characterized in that, The method further includes: Remove i bits from the predetermined position of the uplink scheduling DCI, and read the data content of the uplink scheduling DCI after removing the i bits; or, Remove j bits from a predetermined position of the downlink scheduling DCI, and read the data content of the downlink scheduling DCI after removing the j bits.

6. A downlink control information configuration device, characterized in that, The device, used in a base station, includes: The configuration module is configured to configure the same number of bits for the uplink scheduling downlink control information (DCI) and downlink scheduling DCI for multi-TB transmission based on the larger of the maximum uplink transmission transport block (TB) and the maximum downlink transmission TB supported by the UE reported by the user equipment (UE); or, based on the larger of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station for the UE, configure the same number of bits for the uplink scheduling DCI and downlink scheduling DCI for multi-TB transmission. The setting module is used to add m bits of a preset value at a predetermined position of the smaller of the number of bits in the configured uplink scheduling DCI and the downlink scheduling DCI, so that the number of bits in the uplink scheduling DCI and the number of bits in the downlink scheduling DCI are the same.

7. The apparatus according to claim 6, characterized in that, The setting module includes: The setting unit is used to add n bits of a preset value to a predetermined position of the uplink scheduling DCI configured based on the maximum uplink transmission TB number supported by the UE reported by the UE, and the downlink scheduling DCI configured based on the maximum downlink transmission TB number supported by the UE reported by the UE, so that the number of bits in the uplink scheduling DCI and the downlink scheduling DCI are the same.

8. A downlink control information receiving device, characterized in that, The device, used in a user equipment (UE), includes a blind detection module, wherein... The blind detection module is used to blindly detect the uplink scheduling and downlink control information (DCI) and downlink scheduling DCI of multi-transmission block (TB) transmission, wherein the uplink scheduling DCI and the downlink scheduling DCI have the same number of bits. Wherein, the same number of bits is determined by the base station based on the larger of the maximum uplink transmission TB and the maximum downlink transmission TB supported by the UE reported by the UE; or, the same number of bits is determined by the base station based on the larger of the maximum uplink transmission TB and the maximum downlink transmission TB configured by the base station for the UE; In this configuration, m bits of a preset value are added to the predetermined position of the uplink scheduling DCI and the downlink scheduling DCI with the smaller number of bits, so that the number of bits in the uplink scheduling DCI and the downlink scheduling DCI are the same.

9. The apparatus according to claim 8, characterized in that, The same number of bits is determined by the base station based on the uplink scheduling DCI configured by the base station based on the maximum uplink transmission TB supported by the UE reported by the UE, and the downlink scheduling DCI configured by the base station based on the maximum downlink transmission TB supported by the UE reported by the UE, based on the larger of the maximum uplink transmission TB supported by the UE and the maximum downlink transmission TB supported by the UE; or, the same number of bits is determined by the base station based on the uplink scheduling DCI configured by the base station for the UE based on the maximum uplink transmission TB configured by the base station for the UE, and the downlink scheduling DCI configured by the base station for the UE based on the maximum downlink transmission TB configured by the base station for the UE, based on the larger of the maximum uplink transmission TB configured by the base station for the UE and the maximum downlink transmission TB supported by the base station.

10. The apparatus according to claim 8 or 9, characterized in that, The device further includes: The first reading module is used to remove i bits at a predetermined position of the uplink scheduling DCI and read the data content of the uplink scheduling DCI after removing the i bits; or, The second reading module is used to remove j bits at a predetermined position of the downlink scheduling DCI and read the data content of the downlink scheduling DCI after removing the j bits.

11. A communication device, comprising a processor, a memory, and an executable program stored in the memory and capable of being executed by the processor, characterized in that, When the processor runs the executable program, it performs the steps of the downlink control information configuration method as described in any one of claims 1 to 2, or the steps of the downlink control information receiving method as described in any one of claims 3 to 5.

12. A storage medium having an executable program stored thereon, characterized in that, When the executable program is executed by the processor, it implements the steps of the downlink control information configuration method as described in any one of claims 1 to 2, or the steps of the downlink control information receiving method as described in any one of claims 3 to 5.

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