CN111600689B - SRS transmission method and equipment - Google Patents

Abstract

The embodiment of the invention discloses an SRS transmission method and device, which are used for solving the problem that when additional SRS and PUSCH generate resource conflict, the PUSCH and the additional SRS cannot be correctly received due to inconsistent understanding of network equipment and terminal equipment. The method comprises the following steps: if the transmission resources of the additional SRS and the PUSCH collide, preferentially transmitting the PUSCH; some or all of the additional SRS is discarded. The embodiment of the invention also discloses another SRS transmission method and equipment. The embodiment of the invention provides a conflict processing mechanism for the additional SRS and the PUSCH, is convenient for improving the receiving correctness of the PUSCH and the additional SRS and improving the communication effectiveness.

Description

SRS transmission method and equipment

Technical field

Embodiments of the present invention relate to the field of communication technology, and in particular, to a sounding reference signal (Sounding Reference Symbol, SRS) transmission method and device.

Background technique

In order to increase the coverage and capacity of SRS, Additional SRS was introduced in LTE Rel-16. Within a transmission time interval (Transmission Time Interval, TTI), additional SRS can occupy other symbols besides the legacy SRS for transmission, which may result in physical uplink shared channel (Physical Uplink Shared CHannel, PUSCH) and additional SRS transmission resources. conflict. When additional SRS and PUSCH transmission resources conflict, if a reasonable conflict handling mechanism cannot be provided, PUSCH and additional SRS may not be received correctly.

Contents of the invention

The purpose of the embodiments of the present invention is to provide an SRS transmission method and device to solve the problem that when resource conflicts occur between the additional SRS and the PUSCH, the PUSCH and the additional SRS may not be received correctly due to inconsistent understanding between the network device and the terminal device.

In a first aspect, an SRS transmission method is provided. The method is executed by a terminal device. The method includes: if additional SRS and physical uplink shared channel PUSCH transmission resources conflict, sending the PUSCH first; discarding the additional SRS. part or all of.

In a second aspect, an SRS transmission method is provided. The method is executed by a terminal device. The method includes: if additional SRS and PUSCH transmission resources conflict, sending the PUSCH first; discarding part or all of the additional SRS. ; Send part or all of the additional SRS through the target resource.

In a third aspect, an SRS transmission method is provided. The method is executed by a network device. The method includes: receiving PUSCH; wherein the PUSCH and additional SRS transmission resources conflict, and part or all of the additional SRS is discarded. .

In a fourth aspect, an SRS transmission method is provided. The method is performed by a network device. The method includes: receiving PUSCH; wherein the PUSCH conflicts with additional SRS transmission resources, and part or all of the additional SRS is discarded. ; Receive part or all of the additional SRS through the target resource.

In a fifth aspect, a terminal device is provided. The terminal device includes: a transmission module configured to send the PUSCH with priority if additional SRS and physical uplink shared channel PUSCH transmission resources conflict; and discard part or all of the additional SRS. .

In a sixth aspect, a terminal device is provided. The terminal device includes: a transmission module, configured to send the PUSCH with priority if additional SRS and PUSCH transmission resources conflict; discard part or all of the additional SRS; and pass the target resource Send part or all of the additional SRS.

In a seventh aspect, a network device is provided. The network device includes: a transmission module configured to receive PUSCH; wherein the PUSCH and additional SRS transmission resources conflict, and part or all of the additional SRS is discarded.

In an eighth aspect, a network device is provided. The network device includes: a transmission module, configured to receive PUSCH; wherein the PUSCH and additional SRS transmission resources conflict, and part or all of the additional SRS is discarded; and Part or all of the additional SRS is received through the target resource.

In a ninth aspect, a terminal device is provided. The terminal device includes a processor, a memory, and a computer program stored on the memory and executable on the processor. When the computer program is executed by the processor Implement the steps of the SRS transmission method described in the first and second aspects.

In a tenth aspect, a network device is provided. The network device includes a processor, a memory, and a computer program stored on the memory and executable on the processor. When the computer program is executed by the processor Implement the steps of the SRS transmission method described in the third aspect and the fourth aspect.

In an eleventh aspect, a computer-readable storage medium is provided. A computer program is stored on the computer-readable storage medium. When the computer program is executed by a processor, the SRS transmission as described in the first to fourth aspects is implemented. Method steps.

In the embodiment of the present invention, when the extra SRS and PUSCH transmission resources conflict, PUSCH is sent first, and part or all of the extra SRS is discarded. The embodiment of the present invention provides a conflict handling mechanism for additional SRS and PUSCH, which facilitates improving the reception accuracy of PUSCH and additional SRS and improving communication effectiveness.

Description of drawings

The drawings described here are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the attached picture:

Figure 1 is a schematic flow chart of an SRS transmission method according to an embodiment of the present invention;

Figure 2 is a schematic flow chart of an SRS transmission method according to another embodiment of the present invention;

Figures 3 to 7 are schematic diagrams of solutions to SRS transmission methods according to multiple specific embodiments of the present invention;

Figure 8 is a schematic flow chart of an SRS transmission method according to yet another embodiment of the present invention;

Figure 9 is a schematic flow chart of an SRS transmission method according to yet another embodiment of the present invention;

Figure 10 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;

Figure 11 is a schematic structural diagram of a terminal device according to another embodiment of the present invention;

Figure 12 is a schematic structural diagram of a network device according to an embodiment of the present invention;

Figure 13 is a schematic structural diagram of a network device according to another embodiment of the present invention;

Figure 14 is a schematic structural diagram of a terminal device according to another embodiment of the present invention;

Figure 15 is a schematic structural diagram of a network device according to yet another embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, such as: Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex ( Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS) or Worldwide Interoperability for Microwave Access (WiMAX) communication system, 5G system, or New Radio (NR) system, Or for subsequent evolution of communication systems.

In the embodiment of the present invention, the terminal equipment may include but is not limited to a mobile station (MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), and a mobile phone (handset). and portable equipment (portable equipment), vehicles (vehicles), etc., the terminal equipment can communicate with one or more core networks via a radio access network (Radio Access Network, RAN), for example, the terminal equipment can be a mobile phone (or (called "cellular" phones), computers with wireless communication capabilities, etc. The terminal device can also be a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device.

In the embodiment of the present invention, the network device is a device deployed in the wireless access network to provide wireless communication functions for terminal equipment. The network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, access points, etc. In systems using different wireless access technologies, the names of devices with base station functions may be different. For example, in an LTE network, it is called an evolved NodeB (eNB or eNodeB), in a third generation (3rd Generation, 3G) network, it is called a Node B, or in subsequent evolved communication systems. Network equipment, etc., but the wording does not constitute a limitation.

As shown in Figure 1, one embodiment of the present invention provides an SRS transmission method 100. The method can be executed by a terminal device and includes the following steps:

S102: If the additional SRS and PUSCH transmission resources conflict, PUSCH is sent first and part or all of the additional SRS is discarded.

The above-mentioned transmission resources include at least one of transmission time domain resources and transmission frequency domain resources. In this step, the additional SRS and PUSCH transmission resources conflict, which may include the following three situations: additional SRS and PUSCH transmission time domain resources conflict; or additional SRS and PUSCH transmission frequency domain resources conflict; or additional SRS and PUSCH transmission time domain resources and transmission frequency domain resources conflict.

The conflict between the additional SRS and the PUSCH transmission resources mentioned in this step may specifically be that all of the additional SRS conflicts with the PUSCH transmission resources; or that part of the additional SRS conflicts with the PUSCH transmission resources.

If the additional SRS and PUSCH transmission resources mentioned in this step conflict, then part or all of the additional SRS, for example:

All the additional SRS conflict with PUSCH transmission resources, and all the additional SRS are discarded;

For another example, if the part of the additional SRS transmission resource conflicts with the PUSCH transmission resource, then only the conflicting part of the additional SRS transmission resource may be discarded, and the PUSCH and the non-conflicting part of the additional SRS transmission resource may be sent first;

For another example, if part of the extra SRS conflicts with PUSCH transmission resources, all of the extra SRS may be discarded.

In the SRS transmission method provided by the embodiment of the present invention, when the extra SRS and PUSCH transmission resources conflict, PUSCH is sent first and part or all of the extra SRS is discarded. The embodiment of the present invention provides a conflict handling mechanism for additional SRS and PUSCH, which facilitates improving the reception accuracy of PUSCH and additional SRS and improving communication effectiveness.

Optionally, after discarding part or all of the additional SRS in S102 of the above embodiment, the following steps may also be included: sending part or all of the additional SRS through a target resource; wherein the target resource includes: a distance from where the additional SRS collides The transmission resource is the nearest and available additional SRS transmission resource.

In this embodiment, the terminal can promptly send the additional SRS with conflicting transmission resources through the target resource, thereby improving the transmission effectiveness of the additional SRS.

As shown in Figure 2, another embodiment of the present invention provides an SRS transmission method 200. The method can be executed by a terminal device and includes the following steps:

S202: If the additional SRS and PUSCH transmission resources conflict, PUSCH is sent first and part or all of the additional SRS is discarded.

For the execution process of this step, please refer to S102 of the above embodiment.

S204: Send part or all of the additional SRS through the target resource.

The target resource does not conflict with the above-mentioned PUSCH transmission resource.

The additional SRS sent through the target resource in S204 may be part or all of the ones discarded in S202. For example, what is discarded in S202 is the conflicting part of the additional SRS transmission resources, and what is sent through the target resource in S204 is the conflicting part of the additional SRS transmission resources; for another example, what is discarded in S202 is all the additional SRS, and what is sent through the target resource in S204 is all extra SRS.

Optionally, in S202, the additional SRS and PUSCH transmission resources conflict within one TTI, and the target resources include: the additional SRS transmission resources available in the next TTI of the above-mentioned TTI. The TTI next to the above-mentioned TTI may specifically be the first TTI after the above-mentioned TTI, or may be the second TTI, the third TTI after the above-mentioned TTI, etc.

Optionally, the above target resources include: next available additional SRS transmission resources. The available additional SRS transmission resources are semi-statically configured through the network device.

Optionally, the above target resource may also be indicated by the network device. In this way, before the above S204 sends part or all of the additional SRS through the target resource, the following steps are also included: receiving indication information; determining the target according to the indication information. resource.

In this embodiment, the network device may indicate time-frequency resources for the additional SRS with conflicting transmission resources and send the additional SRS with conflicting transmission resources in a timely manner to improve the transmission effectiveness of the additional SRS.

Optionally, the target resource may also be configured semi-statically. In this way, before sending part or all of the additional SRS through the target resource in S204, the terminal device may also determine the target resource.

In this embodiment, the terminal can promptly send additional SRSs with conflicting transmission resources through semi-statically configured target resources, thereby improving the transmission effectiveness of the additional SRSs.

In the SRS transmission method provided by the embodiment of the present invention, when the extra SRS and PUSCH transmission resources conflict, PUSCH is sent first, part or all of the extra SRS is discarded, and the extra SRS is sent through the target time-frequency resource. The embodiment of the present invention provides a conflict handling mechanism for additional SRS and PUSCH, which facilitates improving the reception accuracy of PUSCH and additional SRS and improving communication effectiveness.

In order to describe in detail the SRS transmission method provided by the above-mentioned embodiments of the present invention, several specific embodiments will be introduced below.

Embodiment 1

As shown in Figure 3, all additional SRSs conflict with PUSCH transmission time domain resources. The terminal device sends PUSCH first, discards all current additional SRSs, and transmits all additional SRSs on the next available additional SRS transmission resources. This section provides The next available additional SRS transmission resource may be the additional SRS transmission resource available in the next TTI.

In Figure 3, aperiodic SRS transmission opportunities also include legacy SRS. Legacy SRS is usually the last symbol occupying aperiodic SRS transmission opportunities. A square in Figure 3 represents time domain units such as time slots or subframes.

It can be understood that in Figure 3, if part of the additional SRS conflicts with the PUSCH transmission time domain resources, the terminal device can still send PUSCH preferentially, discard all of the current additional SRS transmission, and transmit the additional SRS on the next available additional SRS transmission resource. of all.

Embodiment 2

As shown in Figure 4, all additional SRSs conflict with PUSCH transmission time domain resources within one TTI. The TTI also includes legacy SRS. The terminal device sends PUSCH first and legacy SRS at the same time, discarding all current additional SRSs.

In this embodiment, the terminal device may transmit all the discarded additional SRS through the additional SRS transmission resources indicated by the network device. The additional SRS transmission resources (not shown) are different from the transmission resources of the PUSCH.

Embodiment 3

As shown in Figure 5, part of the additional SRS conflicts with PUSCH transmission time domain resources within a TTI. The TTI also includes legacy SRS. The terminal device sends PUSCH first and sends the legacy SRS at the same time, discarding all the current additional SRS.

In this embodiment, the terminal device may transmit all of the discarded additional SRS on the additional SRS transmission resources indicated by the network device. The additional SRS transmission resources (not shown) are different from the transmission resources of the PUSCH.

Embodiment 4

As shown in Figure 6, the part of the additional SRS conflicts with the PUSCH transmission time domain resources in a TTI. The TTI also includes the legacy SRS. The terminal equipment sends PUSCH and the part of the additional SRS transmission time domain resources that do not conflict first; discard the legacy SRS. And the part where additional SRS transmission time domain resources conflict. Of course, in other embodiments, the above legacy SRS may also be sent with priority, that is, the legacy SRS may not be discarded.

In this embodiment, the terminal device may transmit the discarded additional SRS part through the additional SRS transmission resources indicated by the network device. The additional SRS transmission resources (not shown) are different from the transmission resources of the PUSCH.

In this embodiment, the terminal device may send the discarded legacy SRS through the legacy SRS resource in the next TTI, as shown in FIG. 6 .

Embodiment 5

As shown in Figure 7, the part of the additional SRS conflicts with the PUSCH transmission time domain resources within a TTI. The TTI also includes the legacy SRS. The terminal equipment sends PUSCH, the part of the additional SRS transmission time domain resources that do not conflict with the legacy SRS first; Discard the conflicting part of the extra SRS transmission time domain resources.

In this embodiment, the terminal device may transmit the discarded additional SRS part through the additional SRS transmission resources indicated by the network device. The additional SRS transmission resources (not shown) are different from the PUSCH transmission resources.

The SRS transmission method according to the embodiment of the present invention is described in detail above with reference to FIGS. 1 to 7 . An SRS transmission method according to another embodiment of the present invention will be described in detail below with reference to FIG. 8 . It can be understood that the interaction between the network device and the terminal device described from the network device side is the same as the description from the terminal device side in the method shown in Figure 1. To avoid duplication, the relevant description is appropriately omitted.

Figure 8 is a schematic flow chart of the SRS transmission method according to an embodiment of the present invention, which can be applied on the network device side. As shown in Figure 8, the method 800 includes:

S802: Receive PUSCH; where the PUSCH conflicts with additional SRS transmission resources, and part or all of the additional SRS is discarded.

In the SRS transmission method provided by the embodiment of the present invention, when the extra SRS and PUSCH transmission resources conflict, PUSCH is sent first and part or all of the extra SRS is discarded. The embodiment of the present invention provides a conflict handling mechanism for additional SRS and PUSCH, which facilitates improving the reception accuracy of PUSCH and additional SRS and improving communication effectiveness.

Optionally, as an embodiment, the method 800 may also include the following steps:

Receive part or all of the additional SRS through the target resource;

Wherein, the target resources include: additional SRS transmission resources that are closest to the additional SRS transmission resources and are available.

Figure 9 is a schematic flow chart of the SRS transmission method according to an embodiment of the present invention, which can be applied on the network device side. As shown in Figure 9, the method 900 includes:

S902: Receive PUSCH; where the PUSCH conflicts with additional SRS transmission resources, and part or all of the additional SRS is discarded.

S904: Receive part or all of the additional SRS through the target resource.

In the SRS transmission method provided by the embodiment of the present invention, when the extra SRS and PUSCH transmission resources conflict, PUSCH is sent first and part or all of the extra SRS is discarded. The embodiment of the present invention provides a conflict handling mechanism for additional SRS and PUSCH, which facilitates improving the reception accuracy of PUSCH and additional SRS and improving communication effectiveness.

Optionally, as an embodiment, the PUSCH and the additional SRS transmit resources conflict within one TTI, and the target resources include:

Additional SRS transmission resources available in the TTI next to the TTI.

Optionally, as an embodiment, before receiving part or all of the additional SRS through the target resource, the method further includes: sending first indication information, the first indication information being used by the terminal device to determine the target resource.

Optionally, as an embodiment, after receiving part or all of the additional SRS through the target resource, the method further includes: sending second indication information, the second indication information being used to indicate that the target PUSCH is on the target. Transmitted within a TTI; wherein the network device does not instruct additional SRS to be transmitted within the target TTI. In this embodiment, when the network device instructs PUSCH to be transmitted within a TTI, the terminal device does not expect the network device to instruct the additional SRS to be transmitted within the TTI, thereby avoiding PUSCH and additional SRS transmission resource conflicts.

Optionally, as an embodiment, after receiving part or all of the additional SRS through the target resource, the method further includes: sending third indication information, the third indication information being used to indicate that the target additional SRS is in Transmission within the target TTI; wherein the network device does not instruct PUSCH to be transmitted within the target TTI. In this embodiment, when the network device instructs the additional SRS to be transmitted within a TTI, the terminal device does not expect the network device to instruct the PUSCH to be transmitted within the TTI, thereby avoiding PUSCH and additional SRS transmission resource conflicts.

The SRS transmission method according to the embodiment of the present invention is described in detail above with reference to FIGS. 1 to 9 . The terminal device according to the embodiment of the present invention will be described in detail below with reference to FIG. 10 .

Figure 10 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in Figure 10, terminal device 1000 includes:

The transmission module 1002 can be used to determine if the additional SRS and the physical uplink shared channel PUSCH transmission resources conflict.

Send the PUSCH first;

Some or all of the additional SRS is discarded.

In the embodiment of the present invention, when the extra SRS and PUSCH transmission resources conflict, PUSCH is sent first, and part or all of the extra SRS is discarded. The embodiment of the present invention provides a conflict handling mechanism for additional SRS and PUSCH, which facilitates improving the reception accuracy of PUSCH and additional SRS and improving communication effectiveness.

Optionally, as an embodiment, the transmission module 1002 may also be configured to send part or all of the additional SRS through target resources; wherein the target resources include: the transmission resource closest to the additional SRS, and Available additional SRS transmission resources.

Optionally, as an embodiment, the transmission module 1002 is configured to discard the conflicting part of the additional SRS transmission resource if the part of the additional SRS transmission resource conflicts with the PUSCH transmission resource, and send the non-conflicting part of the additional SRS transmission resource. .

Optionally, as an embodiment, the transmission module 1002 is configured to discard all of the additional SRS if part or all of the additional SRS conflicts with PUSCH transmission resources.

Optionally, as an embodiment, the transmission module 1002 is configured to discard the additional SRS if part or all of the additional SRS conflicts with PUSCH transmission resources in a transmission time interval TTI, and the TTI also includes legacy SRS. part or all of the SRS; and discard the legacy SRS or send the legacy SRS.

Optionally, as an embodiment, the transmission resources include at least one of transmission time domain resources and transmission frequency domain resources.

The terminal device 1000 according to the embodiment of the present invention can refer to the processes corresponding to the methods 100 and 200 of the embodiment of the present invention, and each unit/module in the terminal device 1000 and the above-mentioned other operations and/or functions are to implement the methods 100 and 200 respectively. 200, and can achieve the same or equivalent technical effects. For the sake of simplicity, they will not be repeated here.

A terminal device according to another embodiment of the present invention will be described in detail below with reference to FIG. 11 . Figure 11 is a schematic structural diagram of a terminal device according to another embodiment of the present invention. As shown in Figure 11, terminal device 1100 includes:

The transmission module 1102 can be used to determine if additional SRS and PUSCH transmission resources conflict.

Send the PUSCH first;

Discard some or all of the additional SRS;

Part or all of the additional SRS is sent through the target resource.

In the embodiment of the present invention, when the extra SRS and PUSCH transmission resources conflict, PUSCH is sent first, and part or all of the extra SRS is discarded. The embodiment of the present invention provides a conflict handling mechanism for additional SRS and PUSCH, which facilitates improving the reception accuracy of PUSCH and additional SRS and improving communication effectiveness.

Optionally, as an embodiment, the additional SRS and the PUSCH transmission resources conflict within one TTI, and the target resources include: additional SRS transmission resources available in the next TTI of the TTI.

Optionally, as an embodiment, the terminal device 1100 further includes a resource determination module for determining the target resource; wherein the target resource is indicated by a network device; or the target resource is semi-statically configured. .

Optionally, as an embodiment, the transmission module 1102 is configured to send the PUSCH and the non-conflicting part of the additional SRS transmission resources first if the part of the additional SRS conflicts with the PUSCH transmission resource; discard the additional SRS Transmitting the conflicting part of the resource; sending the conflicting part of the additional SRS transmission resource through the target resource.

Optionally, as an embodiment, the transmission module 1102 is configured to send the PUSCH first if part or all of the additional SRS conflicts with PUSCH transmission resources; discard all of the additional SRS; and send the PUSCH through the target resource. All extra SRS

Optionally, as an embodiment, the transmission module 1102 is configured to send the PUSCH first if the transmission resources of the additional SRS and PUSCH conflict in a transmission time interval TTI, and the TTI also includes legacy SRS; discard all part or all of the additional SRS; discard the legacy SRS or send the legacy SRS.

Optionally, as an embodiment, the transmission resources include at least one of transmission time domain resources and transmission frequency domain resources.

The terminal device 1100 according to the embodiment of the present invention can refer to the processes corresponding to the methods 100 and 200 of the embodiment of the present invention, and each unit/module in the terminal device 1100 and the above-mentioned other operations and/or functions are to implement the methods 100 and 200 respectively. 200, and can achieve the same or equivalent technical effects. For the sake of simplicity, they will not be repeated here.

Figure 12 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in Figure 12, network device 1200 includes:

Transmission module 1202 can be used to receive PUSCH;

Wherein, the PUSCH and additional SRS transmission resources conflict, and part or all of the additional SRS is discarded.

In the embodiment of the present invention, when the extra SRS and PUSCH transmission resources conflict, PUSCH is sent first, and part or all of the extra SRS is discarded. The embodiment of the present invention provides a conflict handling mechanism for additional SRS and PUSCH, which facilitates improving the reception accuracy of PUSCH and additional SRS and improving communication effectiveness.

Optionally, as an embodiment, the transmission module 1202 may also be configured to receive part or all of the additional SRS through target resources; wherein the target resources include: the nearest and available transmission resource to the additional SRS. additional SRS transmission resources.

The network device 1200 according to the embodiment of the present invention can refer to the processes corresponding to the methods 800 and 900 of the embodiment of the present invention, and each unit/module in the network device 1200 and the above-mentioned other operations and/or functions are to implement the methods 800 and 900 respectively. The corresponding process in 900 can achieve the same or equivalent technical effect. For the sake of brevity, it will not be described again here.

Figure 13 is a schematic structural diagram of a network device according to another embodiment of the present invention. As shown in Figure 13, network device 1300 includes:

The transmission module 1302 may be used to receive PUSCH; wherein the PUSCH and additional SRS transmission resources conflict, and part or all of the additional SRS is discarded; and

It can be used to receive part or all of the additional SRS through the target resource.

In the embodiment of the present invention, when the extra SRS and PUSCH transmission resources conflict, PUSCH is sent first, and part or all of the extra SRS is discarded. The embodiment of the present invention provides a conflict handling mechanism for additional SRS and PUSCH, which facilitates improving the reception accuracy of PUSCH and additional SRS and improving communication effectiveness.

Optionally, as an embodiment, the PUSCH and the additional SRS transmission resources conflict within one TTI, and the target resources include: additional SRS transmission resources available in the next TTI of the TTI.

Optionally, as an embodiment, the transmission module 1302 may also be configured to send first indication information, where the first indication information is used by the terminal device to determine the target resource.

Optionally, as an embodiment, the transmission module 1302 can also be used to send second indication information, the second indication information is used to indicate that the target PUSCH is transmitted within the target TTI; wherein the network device does not indicate additional SRS is transmitted within the target TTI.

Optionally, as an embodiment, the transmission module 1302 may also be configured to send third indication information, the third indication information being used to instruct the target additional SRS to be transmitted within the target TTI; wherein the network device does not indicate PUSCH is transmitted within the target TTI.

The network device 1300 according to the embodiment of the present invention can refer to the processes corresponding to the methods 800 and 900 of the embodiment of the present invention, and each unit/module in the network device 1300 and the above-mentioned other operations and/or functions are to implement the methods 800 and 900 respectively. The corresponding process in 900 can achieve the same or equivalent technical effect. For the sake of brevity, it will not be described again here.

Figure 14 is a block diagram of a terminal device according to another embodiment of the present invention. The terminal device 1400 shown in FIG. 14 includes: at least one processor 1401, a memory 1402, at least one network interface 1404 and a user interface 1403. The various components in terminal equipment 1400 are coupled together by bus system 1405 . It can be understood that the bus system 1405 is used to implement connection communication between these components. In addition to the data bus, the bus system 1405 also includes a power bus, a control bus and a status signal bus. However, for the sake of clarity, the various buses are labeled bus system 1405 in FIG. 14 .

The user interface 1403 may include a display, a keyboard, a clicking device (eg, mouse, trackball), a touch pad or a touch screen, etc.

It can be understood that the memory 1402 in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be random access memory (RAM), which is used as an external cache. By way of illustration, but not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double DataRate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synchlink DRAM, SLDRAM) and Direct Rambus RAM (DRRAM). The memory 1402 of the systems and methods described in embodiments of the invention is intended to include, but is not limited to, these and any other suitable types of memory.

In some embodiments, memory 1402 stores the following elements, executable modules or data structures, or subsets thereof, or extensions thereof: operating system 14021 and application programs 14022.

Among them, the operating system 14021 includes various system programs, such as framework layer, core library layer, driver layer, etc., which are used to implement various basic services and process hardware-based tasks. Application program 14022 includes various application programs, such as media player (Media Player), browser (Browser), etc., and is used to implement various application services. The program that implements the method of the embodiment of the present invention may be included in the application program 14022.

In the embodiment of the present invention, the terminal device 1400 further includes: a computer program stored in the memory 1402 and executable on the processor 1401. When the computer program is executed by the processor 1401, the steps of the following methods 100 and 200 are implemented.

The methods disclosed in the above embodiments of the present invention can be applied to the processor 1401 or implemented by the processor 1401. The processor 1401 may be an integrated circuit chip with signal processing capabilities. During the implementation process, each step of the above method can be completed by instructions in the form of hardware integrated logic circuits or software in the processor 1401 . The above-mentioned processor 1401 can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA), or other processors. Programmed logic devices, discrete gate or transistor logic devices, discrete hardware components. Each method, step and logical block diagram disclosed in the embodiment of the present invention can be implemented or executed. A general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc. The steps of the method disclosed in conjunction with the embodiments of the present invention can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other computer-readable storage media that are mature in this field. The computer-readable storage medium is located in the memory 1402. The processor 1401 reads the information in the memory 1402 and completes the steps of the above method in combination with its hardware. Specifically, a computer program is stored on the computer-readable storage medium. When the computer program is executed by the processor 1401, the steps of the above-mentioned method 100 and 200 embodiments are implemented.

It can be understood that the embodiments described in the embodiments of the present invention can be implemented using hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), Digital Signal Processing Device (DSP Device, DSPD), programmable logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (FPGA), general-purpose processor, controller, microcontroller, microprocessor, and other electronic units used to perform the functions described in this application or a combination thereof.

For software implementation, the technology described in the embodiment of the present invention can be implemented through modules (such as procedures, functions, etc.) that perform the functions described in the embodiment of the present invention. Software code may be stored in memory and executed by a processor. The memory can be implemented in the processor or external to the processor.

The terminal device 1400 can implement each process implemented by the terminal device in the foregoing embodiments, and can achieve the same or equivalent technical effects. To avoid duplication, the details will not be described here.

Please refer to Figure 15. Figure 15 is a structural diagram of a network device applied in an embodiment of the present invention, which can implement the details of method embodiments 800 and 900 and achieve the same effect. As shown in Figure 15, network device 1500 includes: processor 1501, transceiver 1502, memory 1503 and bus interface, where:

In the embodiment of the present invention, the network device 1500 further includes: a computer program stored on the memory 1503 and executable on the processor 1501. When the computer program is executed by the processor 1501, the steps of methods 800 and 900 are implemented.

In Figure 15, the bus architecture may include any number of interconnected buses and bridges, specifically linked together by various circuits of one or more processors represented by processor 1501 and memory represented by memory 1503. The bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are all well known in the art and therefore will not be described further herein. The bus interface provides the interface. Transceiver 1502 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over a transmission medium.

The processor 1501 is responsible for managing the bus architecture and general processing, and the memory 1503 can store data used by the processor 1501 when performing operations.

Embodiments of the present invention also provide a computer-readable storage medium. A computer program is stored on the computer-readable storage medium. When the computer program is executed by a processor, each process of the above method embodiments 100, 200, 800 and 900 is implemented, and can achieve the same technical effect, so to avoid repetition, we will not repeat them here. Wherein, the computer-readable storage medium is such as read-only memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.

It should be noted that, in this document, the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or apparatus. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article or apparatus that includes that element.

Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation. Based on this understanding, the technical solution of the present invention can be embodied in the form of a software product in essence or the part that contributes to the existing technology. The computer software product is stored in a storage medium (such as ROM/RAM, disk, CD), including several instructions to cause a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in various embodiments of the present invention.

The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Under the inspiration of the present invention, many forms can be made without departing from the spirit of the present invention and the scope protected by the claims, all of which fall within the protection of the present invention.

Claims (23)

1. A method for transmitting a sounding reference signal, SRS, the method being performed by a terminal device, the method comprising:

if the transmission resource conflict of the additional SRS and the Physical Uplink Shared Channel (PUSCH) occurs, the method comprises the following steps of

Preferentially transmitting the PUSCH;

discarding some or all of the additional SRS;

transmitting part or all of the additional SRS over a target resource; wherein the target resource comprises: additional SRS transmission resources closest to the additional SRS transmission resources and available;

the discarding part or all of the additional SRS if the additional SRS and PUSCH transmission resources collide includes: if part or all of the additional SRS collides with the transmission resource of the PUSCH in a Transmission Time Interval (TTI), and the TTI also comprises the legacy SRS, discarding part or all of the additional SRS; and discarding the legacy SRS or transmitting the legacy SRS.

2. The method of claim 1, wherein the discarding some or all of the additional SRS if the additional SRS and PUSCH transmission resources collide comprises:

and if the part of the additional SRS collides with the PUSCH transmission resource, discarding the part of the additional SRS transmission resource collision, and transmitting the part of the additional SRS transmission resource collision.

3. The method of claim 1, wherein the discarding some or all of the additional SRS if the additional SRS and PUSCH transmission resources collide comprises:

if part or all of the additional SRS collides with PUSCH transmission resources, all of the additional SRS is discarded.

4. A method according to any one of claims 1 to 3, wherein the transmission resources comprise at least one of transmission time domain resources and transmission frequency domain resources.

5. An SRS transmission method, wherein the method is performed by a terminal device, the method comprising:

if the transmission resources of the additional SRS and the PUSCH collide, preferentially transmitting the PUSCH;

discarding some or all of the additional SRS;

transmitting part or all of the additional SRS over a target resource;

the PUSCH is preferentially sent if the transmission resources of the additional SRS and the PUSCH collide; discarding some or all of the additional SRS includes: if the additional SRS and the PUSCH collide in a TTI transmission resource, and the TTI also comprises a legacy SRS, the PUSCH is preferentially sent; discarding some or all of the additional SRS; discarding the legacy SRS or transmitting the legacy SRS.

6. The method of claim 5, wherein the additional SRS and the PUSCH transmit resource collisions within one TTI, the target resource comprising:

additional SRS transmission resources available in a next TTI of the TTI.

7. The method of claim 5, wherein prior to the transmitting part or all of the additional SRS over the target resource, the method further comprises:

determining the target resource;

wherein the target resource is indicated by a network device; or (b)

The target resource is semi-statically configured.

8. The method according to any of claims 5 to 7, wherein the PUSCH is preferentially transmitted if additional SRS and PUSCH transmission resources collide; discarding some or all of the additional SRS; transmitting part or all of the additional SRS over the target resource includes:

if the part of the additional SRS collides with the PUSCH transmission resource, preferentially sending the part of the PUSCH and the part of the additional SRS transmission resource which does not collide;

discarding the portion of the additional SRS transmission resource collision;

and transmitting the part of the conflict of the additional SRS transmission resources through the target resources.

9. The method according to any of claims 5 to 7, wherein the PUSCH is preferentially transmitted if additional SRS and PUSCH transmission resources collide; discarding some or all of the additional SRS; transmitting part or all of the additional SRS over the target resource includes:

If part or all of the additional SRS collides with the PUSCH transmission resource, preferentially sending the PUSCH;

discarding all of the additional SRS;

all of the additional SRS is transmitted through the target resource.

10. The method of any of claims 5 to 7, wherein the transmission resources comprise at least one of transmission time domain resources and transmission frequency domain resources.

11. A method of SRS transmission, the method performed by a network device, the method comprising:

receiving a PUSCH; wherein, part or all of the PUSCH and the additional SRS transmit resource conflict in a TTI, the TTI also comprises a legacy SRS, and part or all of the additional SRS is discarded; the legacy SRS is discarded or transmitted;

receiving part or all of the additional SRS through a target resource; wherein the target resource comprises: the additional SRS transmission resource closest to, and available for, the additional SRS transmission resource.

12. A method of SRS transmission, the method performed by a network device, the method comprising:

receiving a PUSCH; wherein, the PUSCH and the additional SRS transmit resource conflict in a TTI, the TTI also comprises a legacy SRS, and part or all of the additional SRS is discarded; the legacy SRS is discarded or transmitted;

Some or all of the additional SRS is received through the target resource.

13. The method of claim 12, wherein the PUSCH and the additional SRS transmit resource for a collision within one TTI, the target resource comprising:

additional SRS transmission resources available in a next TTI of the TTI.

14. The method of claim 12, wherein prior to the receiving part or all of the additional SRS over a target resource, the method further comprises:

and sending first indication information, wherein the first indication information is used for determining the target resource by the terminal equipment.

15. The method of any of claims 12 to 14, wherein after the receiving part or all of the additional SRS over the target resource, the method further comprises:

transmitting second indication information, wherein the second indication information is used for indicating the target PUSCH to transmit in the target TTI;

wherein the network device does not instruct additional SRS transmissions within the target TTI.

16. The method of any of claims 12 to 14, wherein after the receiving part or all of the additional SRS over the target resource, the method further comprises:

Transmitting third indication information, wherein the third indication information is used for indicating that the target additional SRS is transmitted in the target TTI;

wherein the network device does not instruct PUSCH to transmit within the target TTI.

17. A terminal device, comprising:

a transmission module, configured to preferentially send a physical uplink shared channel PUSCH if an additional SRS collides with a PUSCH transmission resource;

discarding some or all of the additional SRS;

the transmission module is further configured to send part or all of the additional SRS through a target resource; wherein the target resource comprises: additional SRS transmission resources closest to the additional SRS transmission resources and available;

the transmission module is specifically configured to discard part or all of the additional SRS if part or all of the additional SRS collides with PUSCH transmission resources in a TTI, where the TTI further includes legacy SRS; and discarding the legacy SRS or transmitting the legacy SRS.

18. A terminal device, comprising:

a transmission module, configured to preferentially send the PUSCH if the additional SRS and PUSCH transmission resources collide;

discarding some or all of the additional SRS;

transmitting part or all of the additional SRS over a target resource;

The transmission module is specifically configured to, if the additional SRS and PUSCH collide with each other in a TTI, and the TTI further includes a legacy SRS, preferentially send the PUSCH; discarding some or all of the additional SRS; discarding the legacy SRS or transmitting the legacy SRS.

19. A network device, comprising:

a transmission module, configured to receive a PUSCH; wherein, part or all of the PUSCH and the additional SRS transmit resource conflict in a TTI, the TTI also comprises a legacy SRS, and part or all of the additional SRS is discarded; the legacy SRS is discarded or transmitted;

the transmission module is further configured to receive part or all of the additional SRS through a target resource; wherein the target resource comprises: the additional SRS transmission resource closest to, and available for, the additional SRS transmission resource.

20. A network device, comprising:

a transmission module, configured to receive a PUSCH; wherein, the PUSCH and the additional SRS transmit resource conflict in a TTI, the TTI also comprises a legacy SRS, and part or all of the additional SRS is discarded; the legacy SRS is discarded or transmitted; and

For receiving some or all of the additional SRS over the target resource.

21. A terminal device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the SRS transmission method according to any one of claims 1 to 10.

22. A network device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the SRS transmission method according to any of claims 11 to 16.

23. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the SRS transmission method according to any one of claims 1 to 16.