CN111757350B

CN111757350B - Information transmission method and related device

Info

Publication number: CN111757350B
Application number: CN201910253489.6A
Authority: CN
Inventors: 许子杰; 杨育波; 窦圣跃
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2022-05-06
Anticipated expiration: 2039-03-29
Also published as: WO2020200124A1; CN111757350A

Abstract

The application provides an information transmission method and a related device, in the information transmission method, when reference signal RS transmission conflicts with first confirmation information feedback on a first target time unit, the terminal equipment sends the RS on the first target time unit, and does not send the first confirmation information; the first target time unit is a time unit for feeding back the first acknowledgement information, that is, a time unit for feeding back acknowledgement information corresponding to the first scheduling time unit; the first acknowledgement information is determined based on a reception state of the first data. Therefore, the embodiment of the application is beneficial to configuring or triggering the transmission of the RS on more time units by sending the RS instead of sending the acknowledgement information (ACK/NACK), thereby being beneficial to realizing the enhanced characteristic of the RS and obtaining more accurate channel quality information.

Description

Information transmission method and related device

Technical Field

The present application relates to the field of communications technologies, and in particular, to an information transmission method and a related apparatus.

Background

The radio channel has frequency selective fading characteristics, which severely degrades the transmission performance of the uplink. To overcome this problem, the network device may use Sounding Reference Signal (SRS) to estimate the uplink channel quality of different frequency bands; correspondingly, for the time division multiplexing system, based on reciprocity of the uplink and downlink channels, the obtained uplink channel quality can be used for not only ensuring the performance of the uplink, but also configuring precoding of the downlink to improve the performance of the downlink.

However, the uplink subframe also needs to feed back positive or negative acknowledgement information (ACK/NACK) of downlink data, which causes a collision between SRS transmission and acknowledgement information (ACK/NACK) transmission, and thus cannot realize SRS enhancement.

Disclosure of Invention

The application provides an information transmission method and a related device, which can realize the enhancement characteristic of a reference signal.

In a first aspect, the present application provides an information transmission method in which a terminal device may receive first data over a first scheduled time unit, and when a Reference Signal (RS) transmission conflicts with a first acknowledgement feedback over a first target time unit, the terminal device may send a Reference Signal over the first target time unit, and not send the first acknowledgement over the first target time unit. Wherein the first acknowledgement information is determined based on the reception status of the first data, such as positive feedback ACK, negative feedback NACK; the first target time unit may be an uplink subframe for feeding back the ACK/NACK, and has a timing relationship with the first scheduling time unit. Therefore, in the embodiment, when the terminal equipment triggers the RS transmission and the feedback ACK/NACK conflict, the RS is ensured to be transmitted, so that the RS can be transmitted in as many time units as possible, and the enhancement characteristic of the RS is realized, namely the capacity and the coverage range of the RS are enhanced.

In an alternative embodiment, the first target time unit is a time unit for feeding back ACK/NACK, for example, a Physical Uplink Control Channel (PUCCH), and therefore, a collision between a Reference Signal (RS) transmission and first acknowledgement information feedback may also be referred to as a collision between an RS transmission and a PUCCH transmission. Optionally, the PUCCH may carry other information besides ACK/NACK, so that the scheme described in this embodiment of the present application may also be adapted to a situation where RS transmission conflicts with other information transmission, and this application is not limited in this application.

In an alternative embodiment, the terminal device does not feed back the first acknowledgement information on the first target time unit, but may feed back acknowledgement information related to the first data or acknowledgement information of the first data on other target time units. Therefore, the method is beneficial to ensuring the enhanced characteristic of the RS and feeding back the confirmation information so as to ensure the transmission performance of the downlink data. Two alternative embodiments are described below as examples.

In one possible implementation, the terminal device may receive second data on a second scheduled time unit, the second data being the same data or a different version of the same data as the first data; and transmitting second acknowledgement information on a second target time unit corresponding to the second scheduled time unit, wherein the second acknowledgement information is considered to be acknowledgement information related to the first acknowledgement information due to the relationship between the first data and the second data. In this way, although the first target time unit corresponding to the first scheduling time unit generates the above conflict, the terminal device may feed back the second acknowledgement information on the second target time unit corresponding to the second scheduling time unit, so that the network device may indirectly know the receiving state of the first data, which is beneficial to ensuring the transmission performance of the downlink data.

In another possible embodiment, the terminal device may delay sending the first acknowledgement information. In this embodiment, the terminal device may feed back the first acknowledgement information and the second acknowledgement information together at the second target time unit. In this way, although the first target time unit corresponding to the first scheduled time unit generates the above-mentioned conflict, the terminal device may feed back the first acknowledgement information and the second acknowledgement information on the second target time unit corresponding to the second scheduled time unit. In this embodiment, the first data and the second data may be the same data or different versions of the same data, or may be different data.

In an alternative embodiment, the first target time unit and the second target time unit are not only time units for feeding back the acknowledgement information, but also time units for feeding back the acknowledgement information after the first target time unit, so that for an embodiment that does not send the first acknowledgement information, the embodiment enables the network device to receive the retransmitted acknowledgement information of the same data as soon as possible; for the embodiment of delaying the sending of the first acknowledgement information, this embodiment enables the network device to receive the first acknowledgement information as soon as possible, in short reducing the latency.

In an optional embodiment, the second scheduled time unit is a scheduled time unit after the first scheduled time unit, and the scheduled data feeds back acknowledgement information on the second target time unit. Thereby reducing latency.

That is, the second target time unit may be a time unit adjacent to or not adjacent to the first target time unit, and correspondingly, the second scheduling time unit is a scheduling time unit which is adjacent to or not adjacent to the first scheduling time unit and to which the scheduled data feeds back the acknowledgement information.

In another optional embodiment, the second target time unit is a time unit of the feedback acknowledgement information that is most recent after the first target time unit; the second scheduling time unit is a scheduling time unit which is fed back by the scheduled data on the second target time unit and is the latest after the first scheduling time unit.

In the embodiment of the present application, the Reference Signal RS is a sounding Reference Signal SRS or a Demodulation Reference Signal (DMRS).

In an alternative embodiment, when the first target time unit has the above-mentioned collision, on the one hand, the second scheduled time unit capable of retransmitting the first data or the different version of the first data or the second target time unit capable of delaying the transmission of the first acknowledgement information may be determined in the above-mentioned manner; on the other hand, the second scheduled time unit and the second target time unit may be determined by looking up the acknowledgement timing table. Compared with the prior art, the acknowledgement information timing table indicates the target time unit which can feed back the acknowledgement information and corresponds to the scheduling time unit for scheduling data transmission when the conflict occurs.

In a second aspect, the present application further provides an information transmission method, which is different from the information transmission method of the first aspect in that the information transmission method of the first aspect is explained from the perspective of a network device, and therefore, for the same implementation, detailed description is omitted here. In the information transmission method, network equipment transmits first data on a first scheduling time unit; when a Reference Signal (RS) is transmitted on a first target time unit, the network equipment receives the RS sent by the terminal equipment on the first target time unit, and does not receive first confirmation information on the first target time unit; the first target time unit is a time unit for feeding back the first confirmation information; the first acknowledgement information is determined based on a reception state of the first data. This embodiment is advantageous for achieving enhanced characteristics of the reference signal.

In an alternative embodiment, the network device transmits the second data on a second scheduled time unit; the network device receiving second acknowledgement information at a second target time unit; the second target time unit is a time unit for feeding back the second acknowledgement information; the second acknowledgement information is determined based on a reception state of the second data; the first data and the second data are the same data or different versions of the same data. Therefore, the method is beneficial to realizing the enhanced characteristic of the reference signal and simultaneously ensuring the transmission performance of the downlink data.

In another alternative embodiment, the network device transmits the second data on a second scheduled time unit; the network device receiving the first acknowledgement information and the second acknowledgement information at a second target time unit; the second target time unit is a time unit for feeding back the second acknowledgement information; the second acknowledgement information is determined based on a reception state of the second data. Therefore, the method is beneficial to realizing the enhanced characteristic of the reference signal and simultaneously ensuring the transmission performance of the downlink data. In this embodiment, the first data and the second data are different data; or the first data and the second data are the same data or different versions of the same data.

In an alternative embodiment, the second target time unit is a time unit of the feedback confirmation information after the first target time unit; the second scheduling time unit is a scheduling time unit after the first scheduling time unit and is used for feeding back confirmation information on the second target time unit by the scheduled data.

In an alternative embodiment, the second target time unit for delaying the feedback of the first acknowledgement information is determined from an acknowledgement information timing table when a reference signal, RS, transmission collides with first acknowledgement information feedback over a first target time unit; the acknowledgement information timing table is used for indicating the corresponding relation between the scheduling time unit for transmitting the scheduling data and the target time unit for feeding back the acknowledgement information.

In an optional embodiment, the reference signal RS is a sounding reference signal SRS or a demodulation reference signal DMRS.

In an alternative embodiment, the second target time unit is the time unit of the feedback acknowledgement information most recent after the first target time unit; the second scheduling time unit is a scheduling time unit which is fed back by the scheduled data on the second target time unit and is the latest after the first scheduling time unit.

In a third aspect, an apparatus is provided. The apparatus provided by the present application has the functionality to implement the behavior of the terminal device or the network device in the above-described method aspect, which comprises means (means) corresponding to the steps or functionalities described for performing the above-described method aspect. The steps or functions may be implemented by software, or by hardware (e.g., a circuit), or by a combination of hardware and software.

In one possible design, the apparatus includes one or more processors and a communication unit. The one or more processors are configured to support the apparatus to perform the corresponding functions of the terminal device in the above method. The communication unit is used for supporting the device to communicate with other equipment and realizing receiving and/or sending functions. For example, receive first data or transmit RS.

Optionally, the apparatus may also include one or more memories for coupling with the processor that hold the necessary program instructions and/or data for the apparatus. The one or more memories may be integral with the processor or separate from the processor. The present application is not limited.

The apparatus may be a smart terminal or a wearable device, and the communication unit may be a transceiver or a transceiver circuit. Optionally, the transceiver may also be an input/output circuit or interface.

The device may also be a communication chip. The communication unit may be an input/output circuit or an interface of the communication chip.

In another possible design, the apparatus includes a transceiver, a processor, and a memory. The processor is configured to control the transceiver or the input/output circuit to transceive signals, the memory is configured to store a computer program, and the processor is configured to execute the computer program in the memory, so that the apparatus performs the method performed by the terminal device in the first aspect or any one of the possible implementations of the first aspect.

In a fourth aspect, the present application provides another apparatus. The apparatus includes one or more processors and a communication unit. The one or more processors are configured to support the apparatus to perform the corresponding functions of the network device in the above method. The communication unit is used for supporting the device to communicate with other equipment and realizing receiving and/or sending functions. For example, a reference signal is received or first data is transmitted.

Optionally, the apparatus may further include one or more memories for coupling with the processor, which stores program instructions and/or data necessary for the network device. The one or more memories may be integral with the processor or separate from the processor. The present application is not limited.

The apparatus may be a base station, a gNB, a TRP, or the like, and the communication unit may be a transceiver, or a transceiver circuit. Optionally, the transceiver may also be an input/output circuit or interface.

In another possible design, the apparatus includes a transceiver, a processor, and a memory. The processor is configured to control the transceiver or the input/output circuit to transceive signals, the memory is configured to store a computer program, and the processor is configured to execute the computer program in the memory, so that the apparatus performs the method performed by the network device in any of the possible implementations of the second aspect or the second aspect.

In a fifth aspect, the present application provides a system, which includes the above terminal device and network device, or includes the above apparatus.

In a sixth aspect, the present application provides a computer-readable storage medium for storing a computer program comprising instructions for performing the method of the first aspect or any one of the possible implementations of the first aspect.

In a seventh aspect, the present application provides a computer-readable storage medium for storing a computer program comprising instructions for performing the method of the second aspect or any one of the possible implementations of the second aspect.

In an eighth aspect, the present application provides a computer program product comprising: computer program code for causing a computer to perform the method of the first aspect or any of the possible implementations of the first aspect when the computer program code runs on a computer.

In a ninth aspect, the present application provides a computer program product comprising: computer program code for causing a computer to perform the method of any of the above second aspects and possible implementations of the second aspect when said computer program code is run on a computer.

Drawings

Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present application;

fig. 2 is a schematic diagram of acknowledgement feedback according to an embodiment of the present application;

fig. 3 is a schematic flowchart of an information transmission method according to an embodiment of the present application;

fig. 4 is a schematic diagram of acknowledgement feedback according to an embodiment of the present application;

fig. 5 is a schematic flowchart of another information transmission method according to an embodiment of the present application;

fig. 6 is a schematic diagram of another acknowledgement feedback provided in an embodiment of the present application;

fig. 7 is a schematic flowchart of another information transmission method according to an embodiment of the present application;

fig. 8 is a schematic diagram of another acknowledgement feedback provided in an embodiment of the present application;

fig. 9 is a schematic diagram of another acknowledgement feedback provided in an embodiment of the present application;

fig. 10 is a schematic structural diagram of an information transmission apparatus according to an embodiment of the present application;

fig. 11 is a schematic structural diagram of another information transmission apparatus according to an embodiment of the present application;

fig. 12 is a schematic structural diagram of a terminal device according to an embodiment of the present application;

fig. 13 is a schematic structural diagram of a network device according to an embodiment of the present application;

fig. 14 is a schematic structural diagram of a communication device according to an embodiment of the present application.

Detailed Description

The technical solution in the present application will be described below with reference to the accompanying drawings.

The technical scheme of the embodiment of the application can be applied to various communication systems, for example: long Term Evolution (LTE) systems, Worldwide Interoperability for Microwave Access (WiMAX) communication systems, future fifth Generation (5th Generation, 5G) systems, such as new radio access technology (NR), and future communication systems, such as 6G systems.

This application is intended to present various aspects, embodiments or features around a system that may include a number of devices, components, modules, and the like. It is to be understood and appreciated that the various systems may include additional devices, components, modules, etc. and/or may not include all of the devices, components, modules etc. discussed in connection with the figures. Furthermore, a combination of these schemes may also be used.

In addition, in the embodiments of the present application, the word "exemplary" is used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, the term using examples is intended to present concepts in a concrete fashion.

In the embodiment of the present application, information (information), signal (signal), message (message), channel (channel) may be mixed, and it should be noted that the intended meanings are consistent when the differences are not emphasized. "of", "corresponding", and "corresponding" may sometimes be used in combination, it being noted that the intended meaning is consistent when no distinction is made.

In the examples of the present application, the subscripts are sometimes as W₁It may be mistaken for a non-subscripted form such as W1, whose intended meaning is consistent when the distinction is de-emphasized.

The network architecture and the service scenario described in the embodiment of the present application are for more clearly illustrating the technical solution of the embodiment of the present application, and do not form a limitation on the technical solution provided in the embodiment of the present application, and as a person of ordinary skill in the art knows that along with the evolution of the network architecture and the appearance of a new service scenario, the technical solution provided in the embodiment of the present application is also applicable to similar technical problems.

Some scenarios in the embodiment of the present application are described by taking a scenario of an NR network in a wireless communication network as an example, it should be noted that the scheme in the embodiment of the present application may also be applied to other wireless communication networks, and corresponding names may also be replaced by names of corresponding functions in other wireless communication networks.

For the convenience of understanding the embodiments of the present application, a communication system applicable to the embodiments of the present application will be first described in detail by taking the communication system shown in fig. 1 as an example. Fig. 1 shows a schematic diagram of a communication system suitable for the information transmission method of the embodiment of the present application. As shown in fig. 1, the communication system may include a network device and a terminal device, where the network device may be configured with multiple antennas, and the terminal device may also be configured with multiple antennas, where in fig. 1, the network device is exemplified by a base station, and the terminal device is exemplified by a user terminal.

It should be understood that a network device may also include a number of components associated with signal transmission and reception (e.g., processors, modulators, multiplexers, demodulators, demultiplexers, etc.).

The network device is a device with a wireless transceiving function or a chip that can be set in the device, and the device includes but is not limited to: evolved Node B (eNB), Radio Network Controller (RNC), Node B (NB), Base Station Controller (BSC), Base Transceiver Station (BTS), home base station (e.g., home evolved Node B, or home Node B, HNB), baseband unit (BBU), wireless fidelity (WIFI) system Access Point (AP), wireless relay Node, wireless backhaul Node, transmission point (TRP or transmission point, TP), etc., and may also be 5G, such as NR, a gbb in the system, or a transmission point (TRP or TP), a set (including multiple antennas) of a base station in the 5G system, or a panel of a base station (including multiple antennas, or a BBU) in the 5G system, or a Distributed Unit (DU), etc.

In some deployments, the gNB may include a Centralized Unit (CU) and a DU. The gNB may also include a Radio Unit (RU). The CU implements part of the function of the gNB, and the DU implements part of the function of the gNB, for example, the CU implements Radio Resource Control (RRC) and Packet Data Convergence Protocol (PDCP) layers, and the DU implements Radio Link Control (RLC), Medium Access Control (MAC) and Physical (PHY) layers. Since the information of the RRC layer eventually becomes or is converted from the information of the PHY layer, the higher layer signaling, such as RRC layer signaling or PHCP layer signaling, may also be considered to be transmitted by the DU or by the DU + RU under this architecture. It will be understood that the network device may be a CU node, or a DU node, or a device comprising a CU node and a DU node. In addition, the CU may be divided into network devices in the access network RAN, or may be divided into network devices in the core network CN, which is not limited herein.

A terminal device may also be referred to as a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, a wireless communication device, a user agent, or a user equipment. The terminal device in the embodiment of the present application may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in self driving (self driving), a wireless terminal in remote medical (remote medical), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and the like. The embodiments of the present application do not limit the application scenarios. In the present application, a terminal device having a wireless transceiving function and a chip that can be installed in the terminal device are collectively referred to as a terminal device.

With the development of the multi-antenna technology, in order to overcome the problem that a wireless channel has a frequency selective fading characteristic, a terminal device may be configured to transmit reference signals for channel sounding, such as Sounding Reference Signals (SRS), through different antennas at different times to estimate Channel State Information (CSI) of an uplink channel, and acquire CSI of a downlink channel through channel reciprocity.

However, a large number of time units configuring or triggering the transmission of the reference signal may cause the transmission of the reference signal to collide with the transmission of other information, for example, the transmission of the reference signal on the same time unit may collide with the feedback of the acknowledgement information, which results in that the reference signal cannot be transmitted in a large number to obtain more channel state information. The present application provides an information transmission method capable of transmitting a Reference Signal (RS) when the RS transmission collides with acknowledgement (ACK/NACK) feedback, without transmitting acknowledgement for a first target time unit, thereby enabling more channel state information to be obtained to achieve enhanced characteristics of the reference signal.

To facilitate understanding of the embodiments of the present application, a few related concepts will be briefly described.

In the embodiment of the present application, the scheduling time unit may also be referred to as a time unit, and the target time unit may also be referred to as a time unit. For convenience of description, in the embodiments of the present application, a time unit for transmitting data is referred to as a scheduling time unit, and a time unit capable of feeding back acknowledgement information or transmitting an RS is referred to as a target time unit. In this embodiment, a Time unit may include an integer number of symbols in a Time domain, for example, the Time unit may refer to a subframe, may also refer to a slot, may also refer to a radio frame, a micro slot (mini slot or sub slot), a plurality of aggregated slots, a plurality of aggregated subframes, a symbol, and the like, and may also refer to a Transmission Time Interval (TTI). For example, a time unit may include an integer number of another time unit in a time domain, or a time duration of a time unit in a time domain is equal to a time duration of an integer number of another time unit in a time domain, for example, a micro slot/subframe/radio frame includes an integer number of symbols, a slot/subframe/radio frame includes an integer number of micro slots, a subframe/radio frame includes an integer number of slots, a radio frame includes an integer number of subframes, and the like.

It should be understood that the format refers to time domain, frequency domain, space domain or code domain resources for carrying physical signals or channels, and mainly refers to time domain resources in this application. When the time unit is a subframe, the first format may be referred to as a special subframe format, where the special subframe format refers to a format in which the time length of a subframe is shorter than the time length of a normal subframe format; the second format may also be referred to as a normal subframe format, i.e. the time length of the first format is shorter than the time length of the second format. The first scheduling time unit and the second scheduling time unit have the same granularity but different numbers, for example, the first scheduling time unit and the second scheduling time unit respectively correspond to subframes with different frame numbers. Correspondingly, the first target time unit and the second target time unit have the same granularity but different numbers, for example, the first target time unit and the second target time unit correspond to subframes with different frame numbers or different subframes with the same frame number respectively.

Correspondingly, the data transmitted in the first scheduling time unit or the second scheduling time unit may be the same or different, and the data may be referred to as the first data and the second data respectively because the time unit numbers used for transmission are different. The first data is the same as the second data, which may be the same version of the first data or a different version. The Version may also be referred to as a Redundancy Version (RV), and is used to indicate a Redundancy Version used by the transmitted data, and the value range of the Redundancy Version is 0 to 3. The transmitting end inputs coded bits and check bits into a Circular buffer (Circular buffer) from front to back, and different RVs represent that bit data to be transmitted are extracted from different starting positions of the Circular buffer. For example, the second data may be

version

1, 2 or 3 of the first data.

The reference signals comprise uplink reference signals and downlink reference signals. The uplink reference signal is at least one of a reference signal for uplink channel measurement and a reference signal for demodulation. The reference signal for uplink channel measurement may be a channel sounding signal SRS, or other reference signals with an uplink channel measurement function. The downlink reference signal includes a reference signal for demodulation, a channel state measurement signal, and the like. The embodiments of the present application take a target time unit, such as an uplink channel, and a transmission reference signal as an example for explanation.

The acknowledgement information is used for Acknowledgement (ACK) or Negative Acknowledgement (NACK) of received data. Wherein the acknowledgement information is fed back in units of transport blocks. The Transport Block (TB) is a unit of data transmitted from Media Access Control (MAC) to the physical layer, and is also a unit of Hybrid Automatic Repeat request (HARQ). The hybrid automatic repeat request is for fast retransmission of lost or erroneous data. Therefore, when a scheduled time unit transmits a transport block, the receiving end feeds back acknowledgement information, such as ACK/NACK, for the transport block, so that the transmitting end determines whether retransmission of the transport block is required. The number of transmission blocks transmitted by one scheduling time unit may be one or more, and a timing relationship exists between the scheduling time unit and the target time unit, so that the acknowledgement information of one or more transmission blocks transmitted by each scheduling time unit (which may be referred to as the acknowledgement information of each scheduling time unit) can be fed back on the corresponding target time unit. Wherein the ACK/NACK feedback of the received data by the acknowledgement information is determined based on the receiving state of the data. For example, the receiving state may be a demodulation state, a check state, or the like.

In the following, referring to table 1, table 2 and fig. 2, the timing relationship between the scheduling time unit and the target time unit is briefly described by taking the scheduling time unit and the target time unit as an example of one subframe. For example, as shown in table 1, the uplink/downlink Configuration (UL/DL Configuration) is configured by higher layer signaling, and the terminal device may determine, according to the uplink/downlink Configuration and in combination with table 1, that the acknowledgement information of subframe n-k is fed back on subframe n, where k belongs to the set { k }₀,k₁,k₂,...,k_M-1And k is defined in table 1, said M being an integer greater than 0. For example, when the UL/DL Configuration is 5, the terminal device may feed back, on subframe 2, acknowledgement information of 13 th, 12 th, 9 th, 8 th, 7 th, 5th, 4 th, 11 th, and 6 th subframes counted in the forward direction of subframe 2.

TABLE 1

As another example, Enhanced Interference Management and Traffic Adaptation (eIMTA) can dynamically adjust the uplink and downlink subframe ratios based on the physical channel signal quality to avoid Interference. Thus, for this eIMTA scenario, the higher layer signaling configures the subframe assignment parameter "subframe assignment" and enhanced interferenceManagement and Traffic Adaptation-Hybrid Automatic Repeat reQuest-reference configuration-r 12 parameter (Enhanced Interference Management and Traffic Adaptation-Hybrid Automatic Repeat reQuest-reference configuration-r 12) "eimta-HARQ-reference configuration-r 12" so that the terminal device determines each downlink subframe and uplink subframe n. As shown in table 2, for the above two parameters configured by the higher layer signaling, in combination with table 2, the acknowledgement information of subframe n-K is fed back on subframe n, where K belongs to the set K: { k } is a function of₀,k₁,k₂,...,k_M-1And k is defined in table 2. For example, higher layer signaling configuration parameters: if eimta-HARQ-ReferenceConfig-r12 is 5 and subframe assignment is 0, the terminal device feeds back acknowledgement information of 12 th, 7 th, 11 th, 13 th, 8 th, 4 th, 9 th, 5th subframes counted ahead of subframe 2 on subframe 2.

TABLE 2

For understanding the embodiment of the present application, in combination with table 2 and fig. 2, the configuration is performed by high-layer signaling: as shown in fig. 2, the terminal device may feed back subframe 9 in the nth-2 frame (i.e., N is 2, k is 13, N-k is 2-13, i.e., the 13 th subframe from the subframe 2 in the nth frame), subframe 0 in the nth-1 frame (i.e., k is 12, N-k is 2-12, i.e., the 12 th subframe from the subframe 2 in the nth frame), subframe 1 in the nth-1 frame (i.e., k is 11, N-k is 2-11, i.e., the 11 th subframe from the subframe 2 in the nth frame), subframe 3 in the nth-1 frame (i.e., k is 9, N-k is 2-9, i.e., the 2 th subframe from the nth frame), subframe 9 (i.e., k is 8 th subframe from the nth frame, n-k is 2-8, i.e., the 8 th subframe from the nth frame, subframe 5 from the nth frame (i.e., k is 7, N-k is 2-7, i.e., the 7 th subframe from the nth frame from the subframe 2), subframe 7 from the nth-1 frame (i.e., k is 5, N-k is 2-5, i.e., the 5th subframe from the nth frame from the subframe 2), and subframe 8 from the nth-1 frame (i.e., k is 4, N-k is 2-4, i.e., the 4 th subframe from the nth frame from the subframe 2); by analogy, the acknowledgement information of the subframe 9 in the N-1 th frame and the acknowledgement information of the subframe 0, 1, 3, 4, 5, 7, 8 in the nth frame can be fed back on the subframe 2 in the N +1 th frame.

In the embodiment of the present application, the RS transmission and acknowledgement feedback conflict means that a target time unit is triggered to transmit an RS and acknowledgement feedback is required. For example, as shown in fig. 2, if subframe 2 in the nth frame is triggered to transmit RS, but the subframe 2 needs to feed back the acknowledgement information of the data transmitted in

subframes

9, 0, 1, 2, 3, 4, 5, 7, and 8 in the nth frame and

subframe

0, 1, 2, 3, 4, 5, 7, and 8 in the nth frame, collision between RS transmission and acknowledgement information feedback occurs in subframe 2 in the nth frame.

In the following, without loss of generality, the embodiments of the present application are described in detail by taking an interaction process between a terminal device and a network device as an example, where the terminal device may be a terminal device in a wireless communication system and having a wireless connection relationship with the network device. It is understood that the network device may transmit the reference signal based on the same technical scheme with a plurality of terminal devices having a wireless connection relationship in the wireless communication system. This is not a limitation of the present application.

Fig. 3 is a schematic flow chart of an information transmission method provided by an embodiment of the present application, which is shown from the perspective of device interaction. As shown in fig. 3, the information transmission method may include:

301. the network equipment transmits first data on a first scheduling time unit; the terminal equipment receives first data on a first scheduling time unit;

302. when RS transmission conflicts with first confirmation information feedback on a first target time unit, the terminal equipment transmits the RS on the first target time unit, and does not transmit the first confirmation information on the first target time unit; and the network equipment receives the RS sent by the terminal equipment on the first target time unit, and does not receive the first confirmation information on the first target time unit.

In the embodiment of the present application, the first target time unit is a time unit for feeding back the first acknowledgment information; the first acknowledgement information is determined based on a reception status of the first data, i.e., ACK or NACK determined for the first data.

It can be seen that, in the embodiment of the present application, when RS transmission collides with feedback of acknowledgement information, the terminal device sends an RS without feeding back acknowledgement information, and accordingly, the network device receives the RS at the target time unit of the collision to perform estimation of channel quality information without receiving acknowledgement information. As shown in fig. 4, when RS transmission collides with acknowledgement information feedback on subframe 2 in the nth frame, as compared to fig. 2, the terminal device transmits the RS without transmitting the acknowledgement information on the first target time unit.

Therefore, the method and the device solve the problem that channel quality information cannot be obtained due to the fact that the terminal device only reports the confirmation information but does not send the RS on the target time unit with the conflict, and the problem that the terminal device only can send the RS on the last time subunit of the target time unit and cannot trigger the transmission of the RS on as many time subunits as possible due to the fact that the terminal device sends the RS and the confirmation information on the target time unit with the conflict at the same time, and therefore the enhancement characteristic of the RS cannot be achieved. That is to say, the embodiments of the present application are advantageous to configure or trigger the transmission of the RS over more time units, so as to obtain more accurate channel quality information, and to ensure the performance of the uplink and/or the downlink.

In an alternative embodiment, the terminal device may not send the first acknowledgement information. In this embodiment, the network device may transmit second data on a second scheduled time unit, the second data being the same data or a different version of the same data as the first data. In this way, although the first target time unit corresponding to the first scheduling time unit generates the above conflict, the terminal device may feed back second acknowledgement information on a second target time unit corresponding to the second scheduling time unit, where the second acknowledgement information is fed back for a second data that is the same as the first data, and thus, the network device can know the reception status of the same data. The information transmission method is explained below with reference to fig. 5.

Referring to fig. 5, fig. 5 is a schematic flow chart of another information transmission method according to an embodiment of the present application, and as shown in fig. 5, compared with fig. 3, the information transmission method may further include the following steps:

303a, the network device sends second data on a second scheduling time unit, and the terminal device receives the second data on the second scheduling time unit;

304a, the terminal device sends second confirmation information on a second target time unit; the network equipment receives second confirmation information on a second target time unit;

in the embodiment of the present application, the corresponding relationship between the second scheduling time unit and the second target time unit can be obtained based on the above table 1 or 2. The second target time unit is a time unit for feeding back the second acknowledgement information, and may also be referred to as a time unit for feeding back acknowledgement information corresponding to the second scheduling time unit; the second acknowledgement information is determined based on a reception state of the second data; the first data and the second data are the same data or different versions of the same data.

For example, as shown in fig. 6, the first target time unit is subframe 2 in the nth frame, the second target time unit corresponds to subframe 2 in the N +1 th frame, and the subframe 2 does not transmit the first acknowledgement information in the nth frame but transmits the second acknowledgement information in the N +1 th frame at subframe 2, compared to fig. 2. All

subframes

0, 1, 2, 3, 4, 5, 7, and 8 in the N-2 th frame and the N-1 th frame, which need to feed back acknowledgement information on the subframe 2 in the N-1 th frame, are respectively equivalent to a first scheduling time unit, and the

subframes

0, 1, 2, 3, 4, 5, 7, and 8 in the N-1 th frame and the subframe 2 in the N-1 th frame are equivalent to a second scheduling time unit.

Therefore, in the embodiment of the present application, the network device transmits the same data on the two scheduling time units, so as to avoid the influence on downlink data transmission caused by not sending the acknowledgement information on the first target time unit when the first target time unit corresponding to the first scheduling time unit generates the above-mentioned conflict. That is to say, in contrast to the prior art where the network device retransmits the first data or the different versions of the first data when receiving the NACK, in this embodiment, the network device does not need to receive the first acknowledgment, and may also transmit the first data or the different versions of the first data, that is, the second data, in the second scheduling time unit, so that when the collision occurs, the network device is favorable to know the receiving state of the first data (which may also be the receiving state of the second data), thereby ensuring the enhanced performance of the RS and ensuring the reliability of data transmission as much as possible.

Optionally, in order to enable the network device to transmit the same data in both the first scheduling time unit and the second scheduling time unit and to ensure the data transmission efficiency as much as possible, the network device may use a higher modulation and coding scheme for the same data, and occupy as few resources as possible, for example, half of the scheduling time unit, so as to be beneficial to transmitting other data in the remaining scheduling time units, thereby achieving the purpose of ensuring the data transmission efficiency as much as possible while repeatedly transmitting the same data.

Optionally, after the terminal device receives the first data and the second data, the second confirmation information of the second data may be determined by combining the first data and the second data. For example, after receiving the first data, the terminal device caches the first data, after receiving the second data, reads the first data from the cache, performs a check in combination with the second data, and determines whether the same data is successfully received according to a check result, thereby determining the second confirmation information. Optionally, the first Data or the second Data sent by the network device may carry a New Data Indicator (NDI) for indicating whether currently transmitted Data is newly transmitted or retransmitted, that is, whether the second Data is New Data or different versions of the first Data or the first Data.

In another alternative embodiment, the terminal device may delay sending the first acknowledgement information. In this embodiment, the network device may feed back the first acknowledgement information and the second acknowledgement information together at the second target time unit. In this way, although the first target time unit corresponding to the first scheduled time unit generates the above-mentioned conflict, the terminal device may feed back the first acknowledgement information and the second acknowledgement information on the second target time unit corresponding to the second scheduled time unit. In this embodiment, the first data and the second data may be the same data or different data, and this embodiment is not limited. This embodiment will be described below with reference to fig. 7 and 8.

Referring to fig. 7, fig. 7 is a schematic flowchart of another information transmission method according to an embodiment of the present application, and as shown in fig. 7, compared with fig. 3, the information transmission method may further include the following steps:

303b, the network device sends the second data in the second scheduling time unit, and the terminal device receives the second data in the second scheduling time unit;

304b, the terminal equipment sends the first confirmation information and the second confirmation information on the second target time unit; the network equipment receives the first confirmation information and the second confirmation information on a second target time unit;

the second target time unit is a time unit for feeding back the second acknowledgement information, and may also be referred to as a time unit for feeding back acknowledgement information corresponding to the second scheduling time unit; the second acknowledgement information is determined based on a reception state of the second data.

For example, as shown in fig. 8, assuming that the subframe 2 in the nth frame has the above collision, by adopting the information transmission method shown in fig. 7, the acknowledgement information of the data transmitted in the subframe 2 in the nth-2 frame and the

subframes

0, 1, 2, 3, 4, 5, 7, and 8 in the nth-1 frame corresponding to the subframe 2 in the nth-2 frame is fed back on the subframe 2 in the N +1 frame. Here, the

subframes

0, 1, 2, 3, 4, 5, 7, and 8 in the N-2 th frame and the N-1 th frame correspond to first scheduling time units, respectively, and data transmitted in the subframes 9 in the N-2 th frame and the

subframes

0, 1, 2, 3, 4, 5, 7, and 8 in the N-1 th frame correspond to first data, respectively. That is, compared to fig. 2, the first acknowledgement information corresponding to the first data transmitted in the subframe 9 in the N-2 th frame may be fed back on the subframe 2 in the N +1 th frame, and the second acknowledgement information corresponding to the second data transmitted in the subframe 9 in the N-1 th frame may be fed back on the subframe 2 in the N +1 th frame.

Therefore, the embodiment of the application can ensure that the RS is configured or triggered on as many time units as possible, and meanwhile, the network equipment side can delay receiving the confirmation information fed back by the terminal equipment, thereby further ensuring the performance of downlink data transmission.

In an alternative embodiment, the first target time unit and the second target time unit are not only time units for feeding back acknowledgment information, but also the second target time unit may be a time unit for feeding back the most recent acknowledgment information that is adjacent or not adjacent to the first target time unit, so that for an embodiment that does not send the first acknowledgment information, the embodiment enables the network device to receive the acknowledgment information of the retransmitted same data as soon as possible; for the embodiment of delaying the sending of the first acknowledgement information, this embodiment enables the network device to receive the first acknowledgement information as soon as possible, in short reducing the latency.

In an optional embodiment, the second scheduling time unit is a closest scheduling time unit that is adjacent or not adjacent to the first scheduling time unit after the scheduled data feeds back acknowledgement information on the second target time unit. Thus, the second data identical to the first data can be transmitted as fast as possible to reduce latency.

For example, as shown in fig. 2, 4,6 and 8, subframe 2 in the N +1 th frame is a time unit of the nearest feedback confirmation information adjacent to and after subframe 2 in the nth frame.

In an alternative embodiment, the first target time unit and the second target time unit of the feedback acknowledgement information, and the first scheduled time unit and the second scheduled time unit of the transmission data may be searched in the manners of table 1 and table 2.

In another alternative embodiment, the second target time unit for delaying the feedback of the first acknowledgement information is determined from an acknowledgement information timing table when a reference signal RS transmission collides with first acknowledgement information feedback over a first target time unit; the acknowledgement information timing table is used for indicating the corresponding relation between the scheduling time unit for transmitting the scheduling data and the target time unit for feeding back the acknowledgement information. That is, when the first target time unit has the collision, the second target time unit for delaying transmission of the first acknowledgement or the second scheduled time unit for transmitting the second data may be determined according to tables 3 and 4. k is defined in tables 3 and 4, respectively.

TABLE 3

In table 3, subframes corresponding to non-bolded k correspond to the second scheduling time unit, subframes corresponding to bolded k correspond to the first scheduling time unit, and correspondingly, subframe n of feedback acknowledgement information corresponds to the first target time unit, subframe n of feedback acknowledgement information after subframe n corresponds to the second target time unit, or it can be said that acknowledgement information of data of subframes corresponding to bolded k may be delayed to be fed back on subframe n. That is, when a collision occurs in a target time unit of the feedback confirmation information, a time unit of delaying the feedback confirmation information may be determined based on table 3. For example, if the UL/DL Configuration is 5, when the subframe 2 in the nth frame has the above collision, the acknowledgement information of the data transmitted in the subframe 9 in the nth-2 frame (i.e. 2-13, 13 th subframe from the nth frame 2) may be fed back on the subframe 2 in the N +1 th frame; optionally, for an embodiment that does not send the first acknowledgement information, the data may be sent again on a subframe 9 in an N-1 th frame (i.e., 2-23, the 23 th subframe from the subframe 2 in the nth frame), that is, the subframe 2 in the nth frame corresponds to the first target time unit, the subframe 9 in the N-2 th frame corresponds to the first scheduling time unit, the subframe 2 in an N +1 th frame corresponds to the second target time unit, and the subframe 9 in the N-1 th frame corresponds to the second scheduling time unit.

For another example, for the enhanced interference management and traffic adaptation scenario, corresponding to table 2, table 4 may be set, and the uplink and downlink subframe ratios may be dynamically adjusted in combination with the signal quality of the physical channel to avoid interference.

TABLE 4

As shown in table 4, the subframe assignment parameter "subframe assignment" and the enhanced interference management and traffic adaptation-HARQ-reference configuration-r 12 parameter "eimta-HARQ-referenceconfiguration-r 12" are configured in the higher layer signaling, so that when the above-mentioned collision occurs, the target time unit for delaying the transmission of the acknowledgement information or the scheduling time unit for transmitting the same data can be determined. For example, higher layer signaling configuration: if eimta-HARQ-ReferenceConfig-r12 is 5 and subframe assignment is 0, the 23 rd, 22 th, 21 th, 19 th, 18 th, 16 th, 15 th, and 14 th subframes counted before subframe 2 in the nth frame correspond to the first scheduling time unit, the 13 th, 12 th, 11 th, 6 th, 8 th, 4 th, 9 th, and 5th subframes counted before subframe 2 in the nth frame correspond to the second scheduling time unit, respectively, and subframe 2 in the nth frame corresponds to the second target time unit.

It should also be understood that, in the embodiment of the present application, for convenience of understanding, the technical solution is described by taking RS transmission and acknowledgement information feedback collision as an example, but this should not limit the present application at all, and the method provided in the embodiment of the present application is not only applicable to RS transmission and acknowledgement information feedback collision, but also applicable to collision of RS transmission and other information feedback. In addition, the present application also does not limit the reference signal for performing channel measurement, and the reference signal may be a demodulation reference signal, a phase noise reference signal, or another reference signal for implementing the same or similar functions.

Optionally, feedback of the acknowledgement information may be carried by a Physical Uplink Control Channel (PUCCH), and therefore, a collision between the RS transmission and the acknowledgement information feedback may also be referred to as a collision between the RS transmission and the PUCCH. Accordingly, the PUCCH may carry Scheduling Request (SR) and Channel State Information (CSI) in addition to the above acknowledgement Information. Accordingly, when the RS transmission collides with such information, the method described in the embodiments of the present application may still be adopted, for example, the terminal device delays sending the information, such as feeding back the information on the nearest neighboring PUCCH.

For the convenience of understanding, the first scheduling time unit and the second scheduling time unit shown in fig. 2, 4,6, and 8 belong to subframes in different frames as an example. Optionally, this is not limited in this application, that is, the first scheduling time unit and the second scheduling time unit may belong to different subframes in the same frame. For example, in conjunction with table 1, when the uplink/downlink configuration is 2, the k value corresponding to subframe 2(n ═ 2) is 8,7,4, 6; subframe 7 (n-7) corresponds to a k value of 8,7,4, 6. As shown in fig. 9, when the sub-frame 2 and the sub-frame 7 do not collide with each other, the sub-frame 2 in the nth frame is used to feed back ACK/NACK of the PDSCH (or called carrying data) of the

sub-frames

4, 5, 6, and 8 in the N-1 th frame; the subframe 7 in the nth frame is used to feed back ACK/NACK of the PDSCH (or called carrying data) of

subframes

0, 1, and 3 in the nth-1 frame and subframe 9 in the nth frame.

When the collision occurs in the subframe 2 in the nth frame, the acknowledgement information of the data in the

subframes

4, 5, 6, and 8 in the nth-1 frame may not be fed back, and the data in the

subframes

4, 5, 6, and 8 in the nth-1 frame may adjust the modulation and coding scheme, and the data with the adjusted modulation and coding scheme is transmitted twice in the

subframes

4, 5, 6, and 8 in the nth-1 frame and the

subframes

0, 3, and 1 in the subframe 9 and the nth frame, respectively, or transmitted once in the

subframes

4, 5, 6, and 8 in the nth-1 frame and the

subframes

0, 3, and 1 in the subframe 9 and the nth frame, respectively, with different RV versions.

For example, the data in the subframe 8 in the N-1 th frame may be modulated and encoded to obtain first data and second data, the first data is transmitted in the subframe 8 in the N-1 th frame, and the second data is transmitted in the subframe 9 in the N-1 th frame, so as to implement two transmissions. The data in the subframe 8 in the nth-1 frame may be subjected to modulation and coding scheme adjustment, for example, the first data is RV version 1 with a high MCS (so that the block error rate (BLER) is 20%), and the second data in the subframe 9 in the nth-1 frame is RV version 2 with a high MCS of the first data (so that the target BLER is 20%), so that ACK/NACK of the first data is not fed back on the subframe 2 in the nth frame, and is fed back in the subframe 7 in the nth frame. Meanwhile, the sub-frame 8 in the N-1 th frame and the sub-frame 9 in the N-1 th frame transmit the same data or different versions of the same data, thereby ensuring the data transmission performance.

For another example, the acknowledgement information of the data in the subframe 8 in the N-1 th frame may be directly fed back on the subframe 7 where the acknowledgement information is fed back after the subframe 2 in the N-1 th frame, that is, the acknowledgement information of the data in the subframe 8 in the N-1 th frame may be sent on the subframe 7 in the N-1 th frame together with the acknowledgement information of the data in the subframe 9 in the N-1 th frame and the acknowledgement information of the data in any

subframe

0, 3,1 in the N-1 th frame.

The information transmission method according to the embodiment of the present application is described in detail above with reference to fig. 2 to 9. The following describes the information transmission device according to the embodiment of the present application in detail with reference to fig. 8 to 12.

Referring to fig. 10, fig. 10 is a schematic structural diagram of an information transmission device according to an embodiment of the present disclosure, and as shown in fig. 10, the information transmission device may be used to implement the information transmission method shown in fig. 2 to 9. The information transmission apparatus may include:

a receiving unit 401, configured to receive first data on a first scheduled time unit by a terminal device;

a sending unit 402, configured to send, by the terminal device, a reference signal RS transmission on a first target time unit when the RS transmission collides with first acknowledgement information feedback, where the first acknowledgement information is not sent on the first target time unit;

the first target time unit is a time unit for feeding back the first confirmation information; the first acknowledgement information is determined based on a reception state of the first data.

In an optional implementation, the receiving unit 401 is further configured to receive second data on a second scheduled time unit by the terminal device;

the sending unit 402 is further configured to send second acknowledgement information on a second target time unit by the terminal device;

wherein the second target time unit is a time unit for feeding back the second acknowledgement information; the second acknowledgement information is determined based on a reception state of the second data;

the first data and the second data are the same data or different versions of the same data.

the sending unit 402 is further configured to send the first acknowledgement information and the second acknowledgement information on a second target time unit by the terminal device;

wherein the second target time unit is a time unit for feeding back the second acknowledgement information; the second acknowledgement information is determined based on a reception state of the second data.

In an alternative embodiment, the first data and the second data are different data; or the first data and the second data are the same data or different versions of the same data.

In an alternative embodiment, the second target time unit for delaying the feedback of the first acknowledgement information is determined from an acknowledgement information timing table when a reference signal, RS, transmission collides with first acknowledgement information feedback over a first target time unit; the acknowledgement information timing table is used for indicating the corresponding relation between the scheduling time unit of the scheduling data and the target time unit of the feedback acknowledgement information.

In an alternative embodiment, the second target time unit is the time unit of the feedback acknowledgement information most recent after the first target time unit;

the second scheduling time unit is a scheduling time unit which is fed back by the scheduled data on the second target time unit and is the latest after the first scheduling time unit.

Referring to fig. 11, fig. 11 is a schematic structural diagram of an information transmission apparatus according to an embodiment of the present application, and as shown in fig. 11, the information transmission apparatus may be used to implement functions related to network devices in the information transmission methods shown in fig. 2 to 9. The information transmission apparatus may include:

a sending unit 501, configured to send first data on a first scheduled time unit;

a receiving unit 502, configured to receive, by the network device, an RS sent by the terminal device in a first target time unit when the reference signal RS is sent in the first target time unit, and not receive first acknowledgement information in the first target time unit;

In an optional implementation, the sending unit 501 is further configured to send second data on a second scheduled time unit by the network device;

the receiving unit 502 is further configured to receive, by the network device, second acknowledgement information over a second target time unit;

In an optional embodiment, the sending unit 501 is further configured to send second data on a second scheduled time unit by the network device;

the receiving unit 502 is further configured to receive the first acknowledgement information and the second acknowledgement information at a second target time unit by the network device;

In an alternative embodiment, the first data and the second data are different data;

or,

In an alternative embodiment, the second target time unit is a time unit of the feedback confirmation information after the first target time unit;

the second scheduling time unit is a scheduling time unit after the first scheduling time unit and is used for feeding back confirmation information on the second target time unit by the scheduled data.

the second scheduling time unit is a scheduling time unit which is the latest after the first scheduling time unit and is used for feeding back confirmation information on the second target time unit by the scheduled data.

Referring to fig. 12, fig. 12 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure. The terminal device can be applied to the system shown in fig. 1, and performs the functions of the terminal device in the above method embodiment. For convenience of explanation, fig. 12 shows only main components of the terminal device. As shown in fig. 12, the terminal device includes a processor, a memory, a control circuit, an antenna, and an input-output device. The processor is mainly configured to process the communication protocol and the communication data, control the entire terminal device, execute a software program, and process data of the software program, for example, to support the terminal device to perform the actions described in the above method embodiments, such as receiving the first data or sending an RS. The memory is used primarily for storing software programs and data. The control circuit is mainly used for converting baseband signals and radio frequency signals and processing the radio frequency signals. The control circuit and the antenna together, which may also be called a transceiver, are mainly used for transceiving radio frequency signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, keyboards, etc., are used primarily for receiving data input by a user and for outputting data to the user.

When the terminal device is turned on, the processor can read the software program in the storage unit, interpret and execute the instruction of the software program, and process the data of the software program. When data needs to be sent wirelessly, the processor outputs a baseband signal to the radio frequency circuit after performing baseband processing on the data to be sent, and the radio frequency circuit performs radio frequency processing on the baseband signal and sends the radio frequency signal outwards in the form of electromagnetic waves through the antenna. When data is sent to the terminal equipment, the radio frequency circuit receives radio frequency signals through the antenna, converts the radio frequency signals into baseband signals and outputs the baseband signals to the processor, and the processor converts the baseband signals into the data and processes the data.

Those skilled in the art will appreciate that fig. 12 shows only one memory and one processor for ease of illustration. In an actual terminal device, there may be multiple processors and multiple memories. The memory may also be referred to as a storage medium or a storage device, and the like, which is not limited in this embodiment of the present application.

As an alternative implementation manner, the processor may include a baseband processor and/or a central processing unit, where the baseband processor is mainly used to process the communication protocol and the communication data, and the central processing unit is mainly used to control the whole terminal device, execute a software program, and process data of the software program. The processor of fig. 12 may integrate the functions of the baseband processor and the central processing unit, and those skilled in the art will understand that the baseband processor and the central processing unit may be independent processors, and are interconnected through a bus or the like. Those skilled in the art will appreciate that the terminal device may include a plurality of baseband processors to accommodate different network formats, the terminal device may include a plurality of central processors to enhance its processing capability, and various components of the terminal device may be connected by various buses. The baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip. The central processing unit can also be expressed as a central processing circuit or a central processing chip. The function of processing the communication protocol and the communication data may be built in the processor, or may be stored in the storage unit in the form of a software program, and the processor executes the software program to realize the baseband processing function.

In the embodiment of the present application, an antenna and a control circuit having a transceiving function may be regarded as the transceiving unit 601 of the terminal device, for example, for supporting the terminal device to perform the receiving function and the transmitting function as described in fig. 3. The processor having the processing function is regarded as the processing unit 602 of the terminal device. As shown in fig. 12, the terminal device includes a transceiving unit 601 and a processing unit 602. A transceiver unit may also be referred to as a transceiver, a transceiving device, etc. Alternatively, a device for implementing a receiving function in the transceiver 601 may be regarded as a receiving unit, and a device for implementing a sending function in the transceiver 601 may be regarded as a sending unit, that is, the transceiver 601 includes a receiving unit and a sending unit, the receiving unit may also be referred to as a receiver, an input port, a receiving circuit, and the like, and the sending unit may be referred to as a transmitter, a sending circuit, and the like.

The processor 602 is configured to execute the instructions stored in the memory to control the transceiver 601 to receive and/or transmit signals, so as to implement the functions of the terminal device in the above-described method embodiments. As an implementation manner, the function of the transceiver 601 may be realized by a transceiver circuit or a dedicated chip for transceiving.

Referring to fig. 13, fig. 13 is a schematic structural diagram of a network device according to an embodiment of the present disclosure, for example, the network device may be a schematic structural diagram of a base station. The base station can be applied to the system shown in fig. 1 and performs the functions of the network device in the above method embodiment. The base station may include one or more radio frequency units, such as a Remote Radio Unit (RRU) 701 and one or more baseband units (BBUs) (which may also be referred to as digital units, DUs) 702. The RRU 701 may be referred to as a transceiver unit, a transceiver circuit, or a transceiver, etc., and may include at least one antenna 7011 and a radio frequency unit 7012. The RRU 701 section is mainly used for transceiving radio frequency signals and converting radio frequency signals and baseband signals, for example, for sending first data to a terminal device. The BBU 702 is mainly used for performing baseband processing, controlling a base station, and the like. The RRU 701 and the BBU 702 may be physically disposed together or may be physically disposed separately, that is, distributed base stations.

The BBU 702 is a control center of the base station, and may also be referred to as a processing unit, and is mainly used for performing baseband processing functions, such as channel coding, multiplexing, modulation, spreading, and the like. For example, the BBU (processing unit) 702 can be used to control the base station to execute the operation flow related to the network device in the above method embodiment.

In an example, the BBU 702 may be formed by one or more boards, and the boards may jointly support a radio access network (e.g., an LTE network) with a single access indication, or may respectively support radio access networks (e.g., LTE networks, 5G networks, or other networks) with different access schemes. The BBU 702 further includes a memory 7021 and a processor 7022, the memory 7021 being configured to store necessary instructions and data. The memory 7021 stores, for example, the acknowledgement information timing table in the above-described embodiment. The processor 7022 is configured to control the base station to perform necessary actions, for example, to control the base station to perform the operation flows related to the network device in the above-described method embodiments. The memory 7021 and the processor 7022 may serve one or more boards. That is, the memory and processor may be provided separately on each board. Multiple boards may share the same memory and processor. In addition, each single board can be provided with necessary circuits.

Referring to fig. 14, fig. 14 is a schematic structural diagram of a communication device according to an embodiment of the present disclosure. The communication device may be configured to implement the method described in the above method embodiment, and reference may be made to the description in the above method embodiment. The communication device may be a chip, a network device (e.g., a base station), a terminal device or other network devices.

The communication device includes one or more processors 801. The processor 801 may be a general purpose processor, a special purpose processor, or the like. For example, a baseband processor, or a central processor. The baseband processor may be used to process communication protocols and communication data, and the central processor may be used to control a communication device (e.g., a base station, a terminal, or a chip), execute a software program, and process data of the software program. The communication device may include a transceiving unit to enable input (reception) and output (transmission) of signals. For example, the communication device may be a chip, and the transceiving unit may be an input and/or output circuit of the chip, or a communication interface. The chip can be used for a terminal or a base station or other network equipment. As another example, the communication device may be a terminal or a base station or other network equipment, and the transceiver unit may be a transceiver, a radio frequency chip, or the like.

The communication apparatus includes one or more processors 801, and the one or more processors 801 may implement the method of the network device or the terminal device in the embodiments shown in fig. 2 to 9.

In one possible design, the communication device includes means (means) for transmitting the first data and receiving the RS. The function of the means for transmitting the first data or RS may be implemented by one or more processors. The first data or RS is transmitted, for example, through a transceiver, or an input/output circuit, or an interface of a chip. The first data or RS may be referred to the related description in the above method embodiments.

In one possible design, the communication device includes means (means) for receiving the first data and transmitting the RS. For the receiving of the first data, the RS may refer to the related description in the above method embodiment. The first data, the second data, or the RS may be received, for example, by a transceiver, or an interface of an input/output circuit, or a chip, and transmitted by one or more processors.

Optionally, the processor 801 may also implement other functions than the method of the embodiment shown in fig. 2.

Alternatively, in one design, the processor 801 may execute instructions that cause the communication device to perform the methods described in the method embodiments above. The instructions may be stored in whole or in part within the processor, such as instructions 803, or in whole or in part in a memory 802 coupled to the processor, such as instructions 804, or together with

instructions

803 and 804 may cause the communication device to perform the methods described in the above method embodiments.

In a further possible design, the communication device may also include a circuit, which may implement the functions of the network device or the terminal device in the foregoing method embodiments.

In yet another possible design, the communication device may include one or more memories 802 having instructions 804 stored thereon, which are executable on the processor to cause the communication device to perform the methods described in the above method embodiments. Optionally, the memory may further store data. Instructions and/or data may also be stored in the optional processor. For example, the one or more memories 802 may store the corresponding relationships described in the above embodiments, or related parameters or tables and the like involved in the above embodiments. The processor and the memory may be provided separately or may be integrated together.

In yet another possible design, the communication device may further include a transceiver unit 805 and an antenna 806. The processor 801 may be referred to as a processing unit and controls a communication device (terminal or base station). The transceiver unit 805 may be referred to as a transceiver, a transceiving circuit, a transceiver, or the like, and is used for implementing transceiving functions of the communication device through the antenna 806.

The present application also provides a communication system comprising one or more of the aforementioned network devices, and one or more of the terminal devices.

It should be noted that the processor in the embodiments of the present application may be an integrated circuit chip having signal processing capability. In implementation, the steps of the above method embodiments may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off the shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

It will be appreciated that the memory in the embodiments of the subject application can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous link SDRAM (SLDRAM), and Direct Rambus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

The embodiment of the present application further provides a computer-readable medium, on which a computer program is stored, where the computer program, when executed by a computer, implements the information transmission method described in any of the above method embodiments.

The embodiment of the present application further provides a computer program product, and when executed by a computer, the computer program product implements the information transmission method according to any one of the above method embodiments.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., Digital Video Disk (DVD)), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

The embodiment of the application also provides a processing device, which comprises a processor and an interface; the processor is configured to execute the information transmission method according to any one of the above method embodiments.

It should be understood that the processing device may be a chip, the processor may be implemented by hardware or software, and when implemented by hardware, the processor may be a logic circuit, an integrated circuit, or the like; when implemented in software, the processor may be a general-purpose processor implemented by reading software code stored in a memory, which may be integrated in the processor, located external to the processor, or stand-alone.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

Additionally, the terms "system" and "network" are often used interchangeably herein. The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be understood that in the embodiment of the present application, "B corresponding to a" means that B is associated with a, from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may also be an electrical, mechanical or other form of connection.

Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiments of the present application.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

Through the above description of the embodiments, those skilled in the art will clearly understand that the present application can be implemented in hardware, firmware, or a combination thereof. When implemented in software, the functions described above may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. Taking this as an example but not limiting: computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. Furthermore, the method is simple. Any connection is properly termed a computer-readable medium. For example, if software is transmitted from a website, a server, or other remote source using a coaxial cable, a fiber optic cable, a twisted pair, a Digital Subscriber Line (DSL), or a wireless technology such as infrared, radio, and microwave, the coaxial cable, the fiber optic cable, the twisted pair, the DSL, or the wireless technology such as infrared, radio, and microwave are included in the fixation of the medium. Disk and disc, as used herein, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy Disk and blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.

In short, the above description is only a preferred embodiment of the present disclosure, and is not intended to limit the scope of the present disclosure. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An information transmission method, comprising:

the terminal equipment receives first data on a first scheduling time unit;

the terminal equipment receives second data on a second scheduling time unit;

when Reference Signal (RS) transmission conflicts with first acknowledgement information feedback on a first target time unit, the terminal device sends the RS on the first target time unit, and the terminal device does not send the first acknowledgement information on the first target time unit;

the first target time unit is a time unit for feeding back the first confirmation information; the first acknowledgement information is determined based on a reception state of the first data;

the terminal equipment sends second confirmation information on a second target time unit when the first data and the second data are the same data or different versions of the same data; or the terminal equipment sends the first confirmation information and the second confirmation information on a second target time unit;

2. The method of claim 1, wherein when the terminal device transmits the first acknowledgement information and the second acknowledgement information over a second target time unit,

the first data and the second data are different data; or,

3. The method according to claim 1 or 2, wherein the second target time unit is a time unit of feedback acknowledgement information after the first target time unit;

the second scheduling time unit is used for feeding back confirmation information of the scheduled data on the second target time unit and is a scheduling time unit after the first scheduling time unit.

4. The method according to any one of claims 1 or 2,

the second target time unit delaying feedback of the first acknowledgement information is determined from an acknowledgement information timing table when a reference signal, RS, transmission on a first target time unit collides with first acknowledgement information feedback;

the acknowledgement information timing table is used for indicating the corresponding relation between the scheduling time unit for transmitting the scheduling data and the target time unit for feeding back the acknowledgement information.

5. The method according to claim 1 or 2, characterized in that the reference signal RS is a sounding reference signal, SRS, or a demodulation reference signal, DMRS.

6. The method according to claim 1 or 2, wherein the second target time unit is the most recent time unit after the first target time unit for feeding back acknowledgement information;

7. An information transmission method, comprising:

the network equipment transmits first data on a first scheduling time unit;

the network equipment transmits second data on a second scheduling time unit;

when a Reference Signal (RS) is transmitted on a first target time unit, the network equipment receives the RS sent by the terminal equipment on the first target time unit, and does not receive first confirmation information on the first target time unit;

the network device receives second acknowledgement information on a second target time unit when the first data and the second data are the same data or different versions of the same data; or, the network device receives the first acknowledgement information and the second acknowledgement information at a second target time unit;

8. The method of claim 7, wherein the network device, upon receiving the first acknowledgement information and the second acknowledgement information over a second target time unit,

the first data and the second data are different data;

or,

9. The method according to claim 7 or 8, wherein the second target time unit is a time unit of feedback confirmation information after the first target time unit;

10. The method according to claim 7 or 8,

11. The method according to claim 7 or 8, characterized in that the reference signal RS is a sounding reference signal, SRS, or a demodulation reference signal, DMRS.

12. The method according to claim 7 or 8, wherein the second target time unit is the most recent time unit after the first target time unit for feeding back acknowledgement information;

13. An information transmission apparatus, comprising: a processor, a transceiver, and a memory;

the memory to store program instructions;

the processor, configured to control the transceiver to invoke the program instructions stored in the memory to implement the method according to any one of claims 1 to 6.

14. An information transmission apparatus, comprising: a processor, a transceiver, and a memory;

the memory to store program instructions;

the processor, configured to control the transceiver to invoke the program instructions stored in the memory to implement the method according to any one of claims 7 to 12.

15. An information transmission system, comprising:

the apparatus of claim 13 and the apparatus of claim 14.

16. A computer-readable storage medium for storing a computer program which, when run on a computer, causes the computer to perform the method of any one of claims 1 to 6 or to perform the method of any one of claims 7 to 12.

17. A processor, comprising: at least one circuit for performing the method of any one of claims 1 to 6, or for performing the method of any one of claims 7 to 12.