CN114698112A

CN114698112A - Information processing method and communication device

Info

Publication number: CN114698112A
Application number: CN202011630136.2A
Authority: CN
Inventors: 张萌
Original assignee: Spreadtrum Communications Shanghai Co Ltd
Current assignee: Spreadtrum Communications Shanghai Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-07-01

Abstract

The application discloses an information processing method and a communication device, wherein the method comprises the following steps: the terminal equipment determines the time domain position of the DMRS in the first frequency hopping of the PUSCH and the time domain position of the DMRS in the second frequency hopping of the PUSCH based on the mapping type of a Physical Uplink Shared Channel (PUSCH), the symbol index number of the first DMRS symbol of the PUSCH, the DMRS position configuration information and the total number of symbols of each frequency hopping of the PUSCH, wherein the number of the DMRS in the first frequency hopping is the same as that of the DMRS in the second frequency hopping, and the frequency hopping type of the PUSCH is frequency hopping in a time slot. By adopting the method described in the application, the performance of PUSCH channel estimation can be improved.

Description

Information processing method and communication device

Technical Field

The present invention relates to the field of communications, and in particular, to an information processing method and a communication apparatus.

Background

The existing third Generation Partnership Project (3rd Generation Partnership Project, 3GPP) protocol specifies that in the 5G Release 16 standard and the preceding NR Release standards, there are 2 time domain resource mapping types for the Physical Uplink Shared Channel (PUSCH), mapping type a (mapping type a) and mapping type b (mapping type b). The main difference is that the Demodulation Reference Signal (DMRS) of mapping type a may not be on the first time domain Symbol (Symbol) of PUSCH, while mapping type B requires that the first time domain Symbol of PUSCH necessarily has DMRS. And the DMRS on the PUSCH is used for channel estimation of the network equipment.

The network device may configure two slot hopping types of the PUSCH, which are Intra-slot hopping (Intra-slot hopping) and Inter-slot hopping (Inter-slot hopping), respectively. For frequency hopping within a time slot, there are 2 hopping frequencies within a time slot, each corresponding to a first hopping frequency (1)^stHop) and second frequency hopping (2)^ndHop), wherein the first hopping frequency and the second hopping frequency each represent a period of time within a time slot, one hopping frequency comprising one or more time domain symbols, different hopping frequencies having different frequencies; for inter-slot hopping, a slot with an odd slot number corresponds to one hop frequency, and a slot with an even slot number corresponds to another hop frequency.

Currently, in the 5G Release 17 standard, specific methods for enhancing the PUSCH include increasing the number of repetitions of the PUSCH, increasing the number of frequency hopping of the PUSCH, and performing channel estimation by combining multiple DMRSs of the PUSCH. In the case where the terminal device performs channel estimation jointly on multiple DMRSs of a PUSCH transmitted to the network device, and a PUSCH mapping type a and intra-slot frequency hopping are configured at the same time, there is a possibility that channel estimation of one frequency hopping is better than channel estimation of another frequency hopping, and channel estimation performance of the PUSCH is limited by channel estimation performance in the frequency hopping with a small number of DMRSs, so that the performance of the PUSCH channel estimation may be reduced in this manner.

Disclosure of Invention

The application provides an information processing method and a communication device, which are beneficial to improving the performance of PUSCH channel estimation.

In a first aspect, the present application provides a method for information processing, including: the terminal equipment determines the time domain position of a DMRS in first frequency hopping of the PUSCH and the time domain position of the DMRS in second frequency hopping of the PUSCH based on the mapping type of a Physical Uplink Shared Channel (PUSCH), the symbol index number of the first DMRS symbol of the PUSCH, the DMRS position configuration information and the total number of symbols of each frequency hopping of the PUSCH, wherein the number of the DMRS in the first frequency hopping is the same as that of the DMRS in the second frequency hopping, and the frequency hopping type of the PUSCH is frequency hopping in a time slot; wherein, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7. By the method, the number of the DMRS in the first frequency hopping is ensured to be the same as that of the DMRS in the second frequency hopping, and the method is favorable for improving the PUSCH channel estimation performance.

With reference to the first aspect, in a possible implementation manner, the time domain position of the DMRS in the first frequency hopping is the same as the time domain position of the DMRS in the second frequency hopping. Based on the mode, the method is beneficial to improving the performance of PUSCH channel estimation.

With reference to the first aspect, in a possible implementation manner, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, the total number of symbols of each frequency hopping of the PUSCH is 5 or 6, and both the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are third time domain symbols. Based on the mode, the time domain position and the number of the DMRS in the first frequency hopping are ensured to be the same as those of the DMRS in the second frequency hopping, and the method is favorable for improving the PUSCH channel estimation performance.

With reference to the first aspect, in a possible implementation manner, the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both a first time domain symbol and a fifth time domain symbol.

With reference to the first aspect, in a possible implementation manner, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both fourth time domain symbols.

With reference to the first aspect, in a possible implementation manner, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, the total number of symbols of each frequency hopping of the PUSCH is 5 or 6, the time domain position of the DMRS in the first frequency hopping is a third time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the first time domain symbol or the fifth time domain symbol.

With reference to the first aspect, in a possible implementation manner, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS location configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; the time domain position of the DMRS in the first frequency hopping is a fourth time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the first time domain symbol or a fifth time domain symbol.

In a second aspect, the present application provides a communication apparatus, comprising a determining unit configured to: determining the time domain position of a DMRS in first frequency hopping of a Physical Uplink Shared Channel (PUSCH) and the time domain position of a DMRS in second frequency hopping of the PUSCH based on the mapping type of the PUSCH, the symbol index number of the first DMRS symbol of the PUSCH, the DMRS position configuration information and the total number of symbols of each frequency hopping of the PUSCH, wherein the number of the DMRS in the first frequency hopping is the same as that of the DMRS in the second frequency hopping, and the frequency hopping type of the PUSCH is frequency hopping in a time slot; wherein, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7.

With reference to the second aspect, in a possible implementation manner, the time domain position of the DMRS in the first frequency hopping is the same as the time domain position of the DMRS in the second frequency hopping.

With reference to the second aspect, in a possible implementation manner, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, the total number of symbols of each frequency hopping of the PUSCH is 5 or 6, and both the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are third time domain symbols.

With reference to the second aspect, in a possible implementation manner, the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both a first time domain symbol and a fifth time domain symbol.

With reference to the second aspect, in a possible implementation manner, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both fourth time domain symbols.

With reference to the second aspect, in a possible implementation manner, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, the total number of symbols of each frequency hopping of the PUSCH is 5 or 6, the time domain position of the DMRS in the first frequency hopping is a third time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the first time domain symbol or the fifth time domain symbol.

With reference to the second aspect, in a possible implementation manner, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; the time domain position of the DMRS in the first frequency hopping is a fourth time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the first time domain symbol or a fifth time domain symbol.

In a third aspect, the present application provides a communication device comprising a processor configured to perform the method of the first aspect.

In a fourth aspect, the present application provides a communications apparatus that includes a processor and a memory for storing computer-executable instructions; the processor is configured to invoke the program code from the memory to perform the method according to the first aspect.

In a fifth aspect, the present application provides a communication device comprising a processor and a transceiver for receiving signals or transmitting signals; the processor configured to perform the method according to the first aspect.

In a sixth aspect, the present application provides a communication device comprising a processor, a memory, and a transceiver for receiving signals or transmitting signals; the memory for storing program code; the processor is configured to call the program code from the memory to perform the method according to the first aspect.

In a seventh aspect, the present application provides a chip comprising a processor and a communication interface, the processor being configured to perform the method according to the first aspect.

In an eighth aspect, the present application provides a computer-readable storage medium for storing instructions that, when executed, cause the method of the first aspect to be implemented.

In a ninth aspect, embodiments of the present application provide a computer program or a computer program product comprising code or instructions which, when run on a computer, cause the computer to perform the method according to the first aspect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of a network architecture provided in an embodiment of the present application;

fig. 2 is a schematic diagram of a time domain position of a DMRS in a first frequency hopping of a PUSCH and a time domain position of a DMRS in a second frequency hopping of the PUSCH, provided in an embodiment of the present application;

fig. 3 is a flowchart of an information processing method provided in an embodiment of the present application;

fig. 4 to fig. 6 are schematic diagrams of time domain positions of DMRSs in a first frequency hopping of a PUSCH and time domain positions of DMRSs in a second frequency hopping of the PUSCH, which are provided in an embodiment of the present application;

fig. 7a and fig. 7b are schematic diagrams of a time domain position of a DMRS in a first frequency hopping of a PUSCH and a time domain position of a DMRS in a second frequency hopping of the PUSCH, which are provided by an embodiment of the present application;

fig. 8a and fig. 8b are schematic diagrams of a time domain position of a DMRS in a first frequency hop of a PUSCH and a time domain position of a DMRS in a second frequency hop of the PUSCH, provided by an embodiment of the present application;

fig. 9 is a schematic structural diagram of a communication device according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of another communication device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the following embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in the specification of the present application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the listed items.

It should be noted that the terms "first," "second," "third," and the like in the description and claims of the present application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than described or illustrated herein. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The embodiment of the present application may be applied to the network architecture schematic diagram shown in fig. 1, where the network architecture shown in fig. 1 is a network architecture of a wireless communication system, the network architecture generally includes a terminal device and a network device, and the number and the form of each device do not constitute a limitation to the embodiment of the present application. The network device may be a Base Station (BS), and the Base Station may provide communication service to multiple terminal devices, and multiple Base stations may also provide communication service to the same terminal device.

It should be noted that, the wireless communication system in the embodiment of the present application includes, but is not limited to: narrowband band-internet of things (NB-IoT), Enhanced Machine Communication (eMTC), global system for mobile communications (GSM), Enhanced data rate for GSM Evolution (EDGE), Wideband Code Division Multiple Access (WCDMA), code division multiple access (code division multiple access, CDMA2000), time division-synchronous code division multiple access (time division-synchronization code division multiple access, TD-SCDMA), Long Term Evolution (LTE), Long Term Evolution (Long Term Evolution) cable 1, fifth generation mobile Communication (5G-5), and future mobile Communication systems.

The terminal device related to the embodiment of the present application may also be referred to as a terminal, and may be a device with a wireless transceiving function, which may be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The terminal device may be a User Equipment (UE), wherein the UE includes a handheld device, a vehicle-mounted device, a wearable device, or a computing device having wireless communication functionality. Illustratively, the UE may be a mobile phone (mobile phone), a tablet computer, or a computer with wireless transceiving function. The terminal device may also be a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, a wireless terminal in smart grid, a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and so on. In the embodiment of the present application, the apparatus for implementing the function of the terminal may be a terminal; it may also be a device, such as a system-on-chip, capable of supporting the terminal to implement the function, which may be installed in the terminal. In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices.

The network device related to the embodiment of the present application includes a Base Station (BS), which may be a device deployed in a radio access network and capable of performing wireless communication with a terminal. The base station may have various forms, such as a macro base station, a micro base station, a relay station, an access point, and the like. For example, the base station related to the embodiment of the present application may be an evolved Node B (eNB). In the embodiment of the present application, the apparatus for implementing the function of the network device may be a network device; or may be a device, such as a system-on-chip, capable of supporting the network device to implement the function, and the device may be installed in the network device.

In the 5G Release 17 standard, for the case that a Physical Uplink Shared Channel (PUSCH) needs to be enhanced, specific methods include increasing the number of repetitions of the PUSCH, increasing the number of frequency hopping of the PUSCH, and performing Channel estimation by combining Demodulation Reference signals (DMRSs) of multiple PUSCHs. When the terminal device jointly performs channel estimation on a plurality of DMRSs of a PUSCH transmitted to the network device, and the network device configures a PUSCH mapping type a and intra-slot frequency hopping, the position and the number of the DMRSs in each frequency hopping are specifically shown in table 1.

TABLE 1

Wherein l₀Indicating the index number of the symbol where the first DMRS symbol of the PUSCH is located, wherein the first symbol in each frequency hopping of the PUSCH is counted from the index number 0; pos-i information indicates DMRS position configuration information, and different i correspond to different DMRS configuration modes, which may be specifically embodied in the position or number of DMRSs, for example, pos0 and pos 1; l_dRepresents the total number of symbols per frequency hop of the PUSCH. The DMRS symbol may be understood as a symbol carrying a DMRS in a time domain resource allocated by a PUSCH.

By l₀＝2，l_d5,6, the terminal is provided withFor example, pos1 is configured, and at this time, the time domain position of the DMRS in the first frequency hopping of the PUSCH configured by the terminal device and the time domain position of the DMRS in the second frequency hopping of the PUSCH are as shown in fig. 2: the number of DMRSs in the first frequency hopping of the PUSCH is 1, and the specific position is a 3rd time domain symbol (the index number of the initial time domain symbol is 0); the number of DMRSs in the second frequency hopping is 2, and the specific positions are a 1 st time domain symbol and a 5th time domain symbol (the index number of the starting time domain symbol is 0).

As can be seen from table 1, the number of DMRSs in the second frequency hopping is greater than the number of DMRSs in the first frequency hopping in 3 cases, where the 3 cases are:

(1)l₀＝2，l_d5,6, the terminal device is configured with pos 1;

(2)l₀＝3，l_d5,6, the terminal device is configured with pos 1;

(3)l₀＝3，l_dthe terminal device is configured with pos1, 7.

Since the channel estimation is performed jointly by multiple DMRSs of the PUSCH transmitted by the terminal device to the network device, and the PUSCH mapping type a and the intra-slot frequency hopping are configured at the same time, when the channel estimation of one frequency hopping is better than the channel estimation of another frequency hopping, that is, the above 3 cases occur, the channel estimation performance of the PUSCH is limited to the channel estimation performance in the frequency hopping with the smaller number of DMRSs, and such a manner may reduce the performance of the PUSCH channel estimation.

The PUSCH mapping type a is characterized in that the first DMRS symbol may be on a symbol with index 2 or index 3 (the symbol in one slot starts with index 0), and specifically, index 2 or index 3 may be notified to the terminal in a manner of high-layer signaling configuration. The PUSCH mapping type B is characterized in that the first DMRS symbol must start from the first time domain symbol of PUSCH.

Referring to fig. 3, fig. 3 is a flowchart of an information processing method provided in the embodiment of the present application, where the method is described below based on the network architecture and the device described in the foregoing.

S101, the terminal equipment determines the time domain position of the DMRS in the first frequency hopping of the PUSCH and the time domain position of the DMRS in the second frequency hopping of the PUSCH based on the mapping type of the PUSCH, the symbol index number where the first DMRS symbol of the PUSCH is located, the DMRS position configuration information and the total number of symbols of each frequency hopping of the PUSCH.

In this example, the number of DMRSs in the first frequency hopping is the same as the number of DMRSs in the second frequency hopping, and the frequency hopping type of the PUSCH is intra-slot frequency hopping; wherein, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7. Based on the mode, under the condition that the terminal equipment jointly carries out channel estimation on the plurality of DMRSs of the PUSCH sent to the network equipment, and meanwhile, the network equipment is configured with the PUSCH mapping type A and frequency hopping in the time slot, the number of the DMRSs in the first frequency hopping is ensured to be the same as that of the DMRS in the second frequency hopping, and the channel estimation performance of the PUSCH is favorably improved.

In one possible implementation, the time domain location of the DMRS in the first frequency hop may be the same as the time domain location of the DMRS in the second frequency hop.

Optionally, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, the total number of symbols of each frequency hopping of the PUSCH is 5 or 6, and both the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are third time domain symbols.

For example, as shown in fig. 4, fig. 4 is a schematic diagram of a time domain position of a DMRS in a first frequency hopping of a PUSCH and a time domain position of a DMRS in a second frequency hopping of the PUSCH, which are provided in an embodiment of the present application. At this time, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5. And the time domain position of the DMRS in the first frequency hopping of the PUSCH and the time domain position of the DMRS in the second frequency hopping of the PUSCH, which are determined by the terminal equipment, are third time domain symbols, and the number of the DMRS in the first frequency hopping is the same as that of the DMRS in the second frequency hopping.

Optionally, the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both a first time domain symbol and a fifth time domain symbol.

For example, as shown in fig. 5, fig. 5 is a schematic diagram of a time domain position of a DMRS in a first frequency hopping of a PUSCH and a time domain position of a DMRS in a second frequency hopping of the PUSCH, which are provided in an embodiment of the present application. At this time, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5. The time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping of the PUSCH determined by the terminal equipment are both a first time domain symbol and a fifth time domain symbol, and the number of the DMRS in the first frequency hopping is the same as the number of the DMRS in the second frequency hopping.

Optionally, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both fourth time domain symbols.

For example, as shown in fig. 6, fig. 6 is a schematic diagram of a time domain position of a DMRS in a first frequency hopping of a PUSCH and a time domain position of a DMRS in a second frequency hopping of the PUSCH, which are provided in an embodiment of the present application. At this time, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5. And the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping of the PUSCH determined by the terminal equipment are fourth time domain symbols, and the number of the DMRS in the first frequency hopping is the same as that of the DMRS in the second frequency hopping.

In a possible implementation, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, the total number of symbols of each frequency hop of the PUSCH is 5 or 6, the time domain position of the DMRS in the first frequency hop is a third time domain symbol, and the time domain position of the DMRS in the second frequency hop is the first time domain symbol or a fifth time domain symbol.

For example, fig. 7a and fig. 7b are schematic diagrams of a time domain position of a DMRS in a first frequency hop of a PUSCH and a time domain position of a DMRS in a second frequency hop of the PUSCH, which are provided in an embodiment of the present application. At this time, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5. The time domain position of the DMRS in the first frequency hopping of the PUSCH, which is determined by the terminal device, is a third time domain symbol, and the time domain position of the DMRS in the second frequency hopping is a first time domain symbol, as shown in fig. 7 a; or the time domain position of the DMRS in the first frequency hopping of the PUSCH determined by the terminal device is the third time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the fifth time domain symbol, as shown in fig. 7 b. The number of DMRSs in the first frequency hop is the same as the number of DMRSs in the second frequency hop.

In a possible implementation, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; the time domain position of the DMRS in the first frequency hopping is a fourth time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the first time domain symbol or a fifth time domain symbol.

Fig. 8a and fig. 8b are schematic diagrams of a time domain position of a DMRS in a first frequency hopping of a PUSCH and a time domain position of a DMRS in a second frequency hopping of the PUSCH, which are provided in an embodiment of the present application. At this time, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5. The time domain position of the DMRS in the first frequency hopping of the PUSCH determined by the terminal device is the fourth time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the first time domain symbol, as shown in fig. 8 a; or, the time domain position of the DMRS in the first frequency hopping of the PUSCH determined by the terminal device is the fourth time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the fifth time domain symbol, as shown in fig. 8 b. The number of DMRSs in the first frequency hop is the same as the number of DMRSs in the second frequency hop.

In a possible implementation, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; the terminal device does not perform a frequency hopping operation.

In one possible implementation, when the terminal device is in the coverage enhancement mode or the terminal device supports the coverage enhancement function, the network device does not have the following configuration: the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7.

In the method described in fig. 3, the terminal device determines the time domain position of the DMRS in the first frequency hopping of the PUSCH and the time domain position of the DMRS in the second frequency hopping of the PUSCH, and ensures that the number of DMRSs in the first frequency hopping is the same as the number of DMRSs in the second frequency hopping. Therefore, based on the method described in fig. 3, it is beneficial to improve the performance of PUSCH channel estimation.

Referring to fig. 9, fig. 9 is a schematic structural diagram of a communication device according to an embodiment of the present application. The communication apparatus shown in fig. 9 may be used to perform part or all of the functions of the terminal device in the method embodiment described in fig. 3 above. The device may be a terminal device, or a device in the terminal device, or a device capable of being used in cooperation with the terminal device. Wherein, the communication device can also be a chip system. The communication apparatus shown in fig. 9 may include a communication unit 901 and a processing unit 902. The communication unit 901 is configured to perform communication connection; a processing unit 902, configured to perform data processing. The communication unit 901 is integrated with a receiving unit and a transmitting unit. The communication unit 901 may also be referred to as a transceiving unit. Alternatively, communication section 901 may be divided into a reception section and a transmission section. The communication unit 901 and the processing unit 902 are similar, and are not described in detail below. Wherein:

a processing unit 902, configured to determine, based on a mapping type of a physical uplink shared channel PUSCH, a symbol index where a first DMRS symbol of the PUSCH is located, the DMRS position configuration information, and a total number of symbols of each frequency hopping of the PUSCH, a time domain position of a DMRS in a first frequency hopping of the PUSCH and a time domain position of a DMRS in a second frequency hopping of the PUSCH, where the number of DMRS in the first frequency hopping is the same as the number of DMRS in the second frequency hopping, and the frequency hopping type of the PUSCH is frequency hopping within a slot; wherein, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7.

In a possible implementation, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, the total number of symbols of each frequency hopping of the PUSCH is 5 or 6, and both the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are third time domain symbols.

In one possible implementation, the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both a first time domain symbol and a fifth time domain symbol.

In a possible implementation, the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both fourth time domain symbols.

Fig. 10 shows another communication apparatus 100 according to an embodiment of the present application, which is used to implement the functions of the first wireless device in fig. 3. The apparatus may be a first wireless device or an apparatus for a first wireless device. The means for the first wireless device may be a system-of-chips or a chip within the first wireless device. The chip system may be composed of a chip, or may include a chip and other discrete devices.

Or, the communication apparatus 100 is configured to implement the functions of the second wireless device in fig. 3. The apparatus may be a second wireless device or an apparatus for a second wireless device. The means for the second wireless device may be a system-on-chip or a chip within the second wireless device.

The communication apparatus 100 includes at least one processor 1020 for implementing the data processing function of the first wireless device or the second wireless device in the method provided by the embodiment of the present application. The apparatus 100 may further include a communication interface 1010 for implementing transceiving operations of the first wireless device or the second wireless device in the methods provided by the embodiments of the present application. In embodiments of the present application, the communication interface may be a transceiver, circuit, bus, module, or other type of communication interface for communicating with other devices over a transmission medium. For example, communication interface 1010 enables a device in device 100 to communicate with other devices. The processor 1020 transmits and receives data using the communication interface 1010 and is configured to implement the method described above with respect to the method embodiment of fig. 3.

The apparatus 100 may also include at least one memory 1030 for storing program instructions and/or data. A memory 1030 is coupled to the processor 1020. The coupling in the embodiments of the present application is an indirect coupling or communication connection between devices, units or modules, and may be in an electrical, mechanical or other form, which is used for information interaction between the devices, units or modules. Processor 1020 may operate in conjunction with memory 1030. Processor 1020 may execute program instructions stored in memory 1030. At least one of the at least one memory may be included in the processor.

When the device 100 is powered on, the processor 1020 can read the software program in the memory 1030, interpret and execute the instructions of the software program, and process the data of the software program. When data needs to be sent wirelessly, the processor 1020 outputs a baseband signal to a radio frequency circuit (not shown) 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 to the outside in the form of electromagnetic waves through an antenna. When there is data to be transmitted to the apparatus 100, the rf circuit receives an rf signal through the antenna, converts the rf signal into a baseband signal, and outputs the baseband signal to the processor 1020, and the processor 1020 converts the baseband signal into data and processes the data.

In another implementation, the rf circuitry and antenna may be provided independently of the processor 1020 for baseband processing, for example in a distributed scenario, the rf circuitry and antenna may be in a remote arrangement independent of the communication device.

The specific connection medium among the communication interface 1010, the processor 1020 and the memory 1030 is not limited in the embodiments of the present application. In the embodiment of the present application, the memory 1030, the processor 1020, and the communication interface 1010 are connected by a bus 1040 in fig. 10, the bus is represented by a thick line in fig. 10, and the connection manner between other components is merely illustrative and not limited thereto. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 10, but this is not intended to represent only one bus or type of bus.

Where the apparatus 100 is embodied as an apparatus for a first wireless device or a second wireless device, such as where the apparatus 100 is embodied as a chip or chip system, the output or reception by the communication interface 1010 may be a baseband signal. When the apparatus 100 is specifically a first wireless device or a second wireless device, the communication interface 1010 may output or receive a radio frequency signal. In the embodiments of the present application, the processor may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may implement or execute the methods, operations, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The operations of the methods disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software modules in a processor.

Embodiments of the present application further provide a computer-readable storage medium, in which instructions are stored, and when the computer-readable storage medium is executed on a processor, the method flow of the above method embodiments is implemented.

Embodiments of the present application further provide a computer program product, where when the computer program product runs on a processor, the method flow of the above method embodiments is implemented.

It is noted that, for simplicity of explanation, the foregoing method embodiments are described as a series of acts or combination of acts, but those skilled in the art will appreciate that the present application is not limited by the order of acts, as some acts may, in accordance with the present application, occur in other orders and/or concurrently. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.

The descriptions of the embodiments provided in the present application may be referred to each other, and the descriptions of the embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. For convenience and brevity of description, for example, the functions and operations performed by the devices and apparatuses provided in the embodiments of the present application may refer to the related descriptions of the method embodiments of the present application, and may also be referred to, combined with or cited among the method embodiments and the device embodiments.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A method of information processing, the method comprising:

the method comprises the steps that terminal equipment determines the time domain position of a DMRS in first frequency hopping of a Physical Uplink Shared Channel (PUSCH) and the time domain position of the DMRS in second frequency hopping of the PUSCH based on the mapping type of the PUSCH, the symbol index number of the first DMRS symbol of the PUSCH, DMRS position configuration information and the total number of symbols of each frequency hopping of the PUSCH, wherein the number of the DMRS in the first frequency hopping is the same as that of the DMRS in the second frequency hopping, and the frequency hopping type of the PUSCH is frequency hopping in a time slot;

the index number of a symbol where a first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7.

2. The method of claim 1, wherein the time-domain location of the DMRS in the first frequency hop is the same as the time-domain location of the DMRS in the second frequency hop.

3. The method of claim 2, wherein a symbol index number of a first DMRS symbol of the PUSCH is 2, the DMRS position configuration information is 1, a total number of symbols of each frequency hop of the PUSCH is 5 or 6, and a time domain position of the DMRS in the first frequency hop and a time domain position of the DMRS in the second frequency hop are third time domain symbols.

4. The method of claim 2, wherein the time domain location of the DMRS in the first frequency hop and the time domain location of the DMRS in the second frequency hop are both a first time domain symbol and a fifth time domain symbol.

5. The method of claim 2, wherein the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols per frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; and the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both fourth time domain symbols.

6. The method of claim 1, wherein a symbol index of a first DMRS symbol of the PUSCH is 2, wherein the DMRS position configuration information is 1, wherein a total number of symbols of each hop of the PUSCH is 5 or 6, wherein a time domain position of the DMRS in the first hop is a third time domain symbol, and wherein a time domain position of the DMRS in the second hop is the first time domain symbol or a fifth time domain symbol.

7. The method of claim 1, wherein the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols per frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; and the time domain position of the DMRS in the first frequency hopping is a fourth time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the first time domain symbol or the fifth time domain symbol.

8. A communication apparatus, comprising a processing unit configured to:

determining the time domain position of a DMRS in first frequency hopping of a Physical Uplink Shared Channel (PUSCH) and the time domain position of a DMRS in second frequency hopping of the PUSCH based on the mapping type of the PUSCH, the symbol index number of the first DMRS symbol of the PUSCH, the DMRS position configuration information and the total number of symbols of each frequency hopping of the PUSCH, wherein the number of the DMRS in the first frequency hopping is the same as that of the DMRS in the second frequency hopping, and the frequency hopping type of the PUSCH is frequency hopping within a time slot;

the index number of a symbol where a first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols of each frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7.

9. The communications apparatus of claim 8, wherein the time domain location of the DMRS in the first frequency hop is the same as the time domain location of the DMRS in the second frequency hop.

10. The communications apparatus of claim 9, wherein a symbol index where a first DMRS symbol of the PUSCH is located is 2, the DMRS position configuration information is 1, a total number of symbols of each frequency hop of the PUSCH is 5 or 6, and a time domain position of the DMRS in the first frequency hop and a time domain position of the DMRS in the second frequency hop are both a third time domain symbol.

11. The communications apparatus of claim 9, wherein the time domain location of the DMRS in the first frequency hop and the time domain location of the DMRS in the second frequency hop are both a first time domain symbol and a fifth time domain symbol.

12. The communication apparatus according to claim 9, wherein the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols per frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; and the time domain position of the DMRS in the first frequency hopping and the time domain position of the DMRS in the second frequency hopping are both fourth time domain symbols.

13. The communications apparatus of claim 8, wherein a first DMRS symbol of the PUSCH is located at a symbol index number of 2, the DMRS position configuration information is 1, a total number of symbols of each hop of the PUSCH is 5 or 6, a time domain position of the DMRS in the first hop is a third time domain symbol, and a time domain position of the DMRS in the second hop is the first time domain symbol or a fifth time domain symbol.

14. The communication apparatus according to claim 8, wherein the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols per frequency hopping of the PUSCH is 5 or 6; or the index number of the symbol where the first DMRS symbol of the PUSCH is located is 3, the DMRS position configuration information is 1, and the total number of symbols for each frequency hopping of the PUSCH is 7; and the time domain position of the DMRS in the first frequency hopping is a fourth time domain symbol, and the time domain position of the DMRS in the second frequency hopping is the first time domain symbol or the fifth time domain symbol.

15. A communication device comprising a processor and a transceiver;

the transceiver is used for receiving or transmitting signals;

the processor is used for executing the method of any one of claims 1 to 7.

16. The communications device of claim 15, further comprising a memory;

the memory for storing a computer program;

the processor is specifically configured to invoke the computer program from the memory to execute the method according to any one of claims 1 to 7.

17. A chip, comprising: at least one processor and a communication interface;

the processor is used for executing the method of any one of claims 1 to 7.

18. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program comprising program instructions which, when executed by a processor, cause the processor to carry out the method according to any one of claims 1 to 7.