CN114765861A

CN114765861A - Method for reporting, configuring and switching terminal state, terminal and network side equipment

Info

Publication number: CN114765861A
Application number: CN202110036138.7A
Authority: CN
Inventors: 童辉; 李新; 乌力吉; 宋丹
Original assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Current assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2022-07-19

Abstract

The invention provides a method for reporting, configuring and switching a terminal state, a terminal and network side equipment, belonging to the technical field of communication, wherein the method for reporting the terminal state applied to the network side equipment comprises the following steps: and receiving first reporting information sent by a terminal, wherein the first reporting information is used for representing that an antenna for sending a last symbol of a special time slot and an antenna for sending a first symbol of an uplink time slot of the terminal may be different. The embodiment of the application can report the collision condition of the terminal antenna so as to avoid the condition that signals are transmitted on different antennas on two continuous symbols, thereby improving the uplink transmission performance of a wireless system, and particularly improving the reliability of the first symbol of an uplink time slot.

Description

Method for reporting, configuring and switching terminal state, terminal and network side equipment

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method for reporting, configuring, and switching a terminal state, a terminal, and a network device.

Background

The frame structure used on the current 5G includes, arranged in sequence: the system comprises a downlink time slot, an uplink time slot and a special time slot, wherein the special time slot is used for providing a protection gap in the process of switching downlink communication to uplink communication. The special time slot includes 14 symbols, where the first 6 are downlink symbols, the middle 4 are guard intervals, and the last 4 are uplink symbols, that is, the last uplink symbol in the special time slot is adjacent to the first symbol in the uplink time slot.

Current terminals often have 4 receiving antennas and 1 or 2 transmitting antennas, and corresponding receiving rf links and transmitting rf links, and in the uplink transmission process, there may be a case where the terminal transmits signals on different antennas on two consecutive symbols, for example: in order for the base station to obtain the channel state information of the 4 receiving antennas, it is necessary to transmit Sounding Reference Signals (SRS) on all the receiving antennas. This requires switching the transmitting rf link of the terminal between different receiving antennas, so that all receiving antennas have the opportunity to transmit SRS. When the last uplink symbol in the special time slot is configured by the base station to transmit the SRS on the fixed antenna (which may be cycled according to a certain period); on the adjacent Uplink timeslot, the terminal sends a Physical Uplink Shared Channel (PUSCH)/Physical Uplink Control Channel (PUCCH) to an antenna with a better signal quality, and at this time, a situation occurs where signals are transmitted on different antennas on two consecutive symbols.

If the network side continues to decode the signal of the first symbol of the uplink time slot with poor reliability according to a conventional decoding mode, the decoding result is unreliable.

Disclosure of Invention

Embodiments of the present invention provide a method for reporting, configuring and switching a terminal state, a terminal and a network side device, which can report the state in time when the terminal transmits signals on different antennas on two consecutive symbols, so that the network side device takes corresponding measures accordingly to prevent the network side from continuing to decode a signal of a first symbol of an uplink timeslot with poor reliability according to a conventional decoding manner, thereby improving the reliability of the signal of the first symbol of the uplink timeslot.

In order to solve the technical problem, the invention is realized as follows:

in a first aspect, an embodiment of the present invention provides a method for reporting a terminal status, where the method is applied to a network side device, and is characterized in that the method includes:

and receiving first reporting information sent by a terminal, wherein the first reporting information is used for representing that an antenna for sending the last symbol of the special time slot and an antenna for sending the first symbol of the uplink time slot may be different.

In a second aspect, an embodiment of the present invention provides an SRS resource configuration method, which is applied to a network side device, and the method includes:

and sending SRS resource configuration information to a terminal, wherein the SRS resource configuration information is used for indicating the terminal to switch an antenna for sending the SRS or switch an uplink symbol for sending the SRS.

In a third aspect, an embodiment of the present invention provides a method for configuring SRS resources for sounding reference signals, where the method is applied to a network side device, and the method includes:

and sending the reconfigured SRS configuration information to a terminal, and sending a mapping relation between an SRS port before reconfiguration and an SRS port after reconfiguration to the terminal.

In a fourth aspect, an embodiment of the present invention provides a method for reporting a terminal status, where the method is applied to a terminal, and the method includes:

and sending first reporting information to network side equipment, wherein the first reporting information is used for representing that an antenna for sending a last symbol of the special time slot and an antenna for sending a first symbol of the uplink time slot of the terminal may be different.

In a fifth aspect, an embodiment of the present invention provides an SRS resource configuration method, which is applied to a terminal, and the method includes:

receiving SRS resource configuration information sent by network side equipment, wherein the SRS resource configuration information is used for instructing the terminal to switch an antenna for sending an SRS or switch an uplink symbol for sending the SRS.

In a sixth aspect, an embodiment of the present invention provides an SRS resource configuration method, which is applied to a terminal, where the method includes:

receiving the reconfigured SRS configuration information sent by the network side equipment, and receiving the mapping relation between the SRS port before reconfiguration and the SRS port after reconfiguration, which is sent by the network side equipment.

In a seventh aspect, an embodiment of the present invention provides an SRS resource switching method, which is applied to a terminal, and the method includes:

switching an antenna for sending the SRS on the last symbol of the special time slot and an antenna for sending the first symbol of the uplink time slot into the same antenna;

and reporting the mapping relation between the SRS port before switching and the SRS port after switching to network side equipment.

In an eighth aspect, an embodiment of the present invention provides an SRS resource switching method, which is applied to a network side device, and the method includes:

and receiving the mapping relation between the SRS port before switching and the SRS port after switching reported by the terminal.

In a ninth aspect, an embodiment of the present invention provides a network side device, including: a processor and a transceiver;

the transceiver is configured to receive first reporting information sent by a terminal, where the first reporting information is used to characterize that an antenna used by the terminal to send a last symbol of a special timeslot may be different from an antenna used to send a first symbol of an uplink timeslot.

In a tenth aspect, an embodiment of the present invention provides a network-side device, including: a processor and a transceiver;

the transceiver is configured to send SRS resource configuration information to a terminal, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS or switch an uplink symbol for sending the SRS.

In an eleventh aspect, an embodiment of the present invention provides a network-side device, including: a processor and a transceiver;

the transceiver is configured to send the reconfigured SRS configuration information to the terminal, and send a mapping relationship between the SRS port before reconfiguration and the SRS port after reconfiguration to the terminal.

In a twelfth aspect, an embodiment of the present invention provides a terminal, including: a processor and a transceiver;

the transceiver is configured to send first reporting information to a network side device, where the first reporting information is used to characterize that an antenna for the terminal to send a last symbol of a special timeslot may be different from an antenna for sending a first symbol of an uplink timeslot.

In a thirteenth aspect, an embodiment of the present invention provides a terminal, including: a processor and a transceiver;

the transceiver is configured to receive SRS resource configuration information sent by a network side device, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS.

In a fourteenth aspect, an embodiment of the present invention provides a terminal, including: a processor and a transceiver;

the transceiver is configured to receive the reconfigured SRS configuration information sent by the network side device, and receive a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration, where the SRS port before reconfiguration is sent by the network side device.

In a fifteenth aspect, an embodiment of the present invention provides a terminal, including: a processor and a transceiver;

the processor is configured to switch an antenna for transmitting a sounding reference signal SRS on a last symbol of the special time slot and an antenna for transmitting a first symbol of the uplink time slot to be the same antenna;

the transceiver is configured to report a mapping relationship between the SRS port before switching and the SRS port after switching to a network side device.

In a sixteenth aspect, an embodiment of the present invention provides a network side device, including: a processor and a transceiver;

the transceiver is used for receiving a mapping relation between a Sounding Reference Signal (SRS) port before switching and an SRS port after switching reported by a terminal.

In a seventeenth aspect, an embodiment of the present invention provides a network side device, including:

a first receiving module, configured to receive first reporting information sent by a terminal, where the first reporting information is used to characterize that an antenna used by the terminal to send a last symbol of a special timeslot may be different from an antenna used to send a first symbol of an uplink timeslot.

In an eighteenth aspect, an embodiment of the present invention provides a network side device, including:

the terminal comprises a first sending module, a second sending module and a third sending module, wherein the first sending module is used for sending Sounding Reference Signal (SRS) resource configuration information to the terminal, and the SRS resource configuration information is used for indicating the terminal to switch an antenna for sending the SRS or switch an uplink symbol for sending the SRS.

In a nineteenth aspect, an embodiment of the present invention provides a network side device, including:

and the second sending module is used for sending the reconfigured SRS configuration information to the terminal and sending the mapping relation between the SRS port before reconfiguration and the SRS port after reconfiguration to the terminal.

In a twentieth aspect, an embodiment of the present invention provides a terminal, including:

a third sending module, configured to send first reporting information to a network side device, where the first reporting information is used to indicate that an antenna that sends a last symbol of a special time slot and an antenna that sends a first symbol of an uplink time slot may be different.

In a twenty-first aspect, an embodiment of the present invention provides a terminal, including:

a third receiving module, configured to receive SRS resource configuration information sent by a network side device, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS.

In a twenty-second aspect, an embodiment of the present invention provides a terminal, including:

a fourth receiving module, configured to receive the reconfigured SRS configuration information sent by the network side device, and receive a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration, where the mapping relationship is sent by the network side device.

In a twenty-third aspect, an embodiment of the present invention provides a terminal, including:

a switching module, configured to switch an antenna that transmits a sounding reference signal SRS on a last symbol of the special timeslot and an antenna that transmits a first symbol of the uplink timeslot into the same antenna;

and the fourth sending module is used for reporting the mapping relation between the SRS port before switching and the SRS port after switching to the network side equipment.

In a twenty-fourth aspect, an embodiment of the present invention provides a network side device, including:

and the second receiving module is used for receiving the mapping relation between the SRS port before switching and the SRS port after switching reported by the terminal.

In a twenty-fifth aspect, an embodiment of the present invention provides a network side device, including a processor, a memory, and a computer program stored in the memory and being executable on the processor, where the computer program, when executed by the processor, implements a step in reporting a terminal state according to the first aspect, or the computer program, when executed by the processor, implements a step in an SRS resource configuration method according to the second aspect, or the computer program, when executed by the processor, implements a step in an SRS resource configuration method according to the third aspect, or the computer program, when executed by the processor, implements a step in an SRS resource switching method according to the eighth aspect.

In a twenty-sixth aspect, an embodiment of the present invention provides a terminal, including a processor, a memory, and a computer program stored in the memory and being executable on the processor, where the computer program, when executed by the processor, implements the steps in the method for reporting a terminal state according to the fourth aspect, or the computer program, when executed by the processor, implements the steps in the method for configuring SRS resources according to the fifth aspect, or the computer program, when executed by the processor, implements the steps in the method for configuring SRS resources according to the sixth aspect, or the computer program, when executed by the processor, implements the steps in the method for switching SRS resources according to the seventh aspect.

In a twenty-seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored, and the computer program is executed by a processor to implement the steps in the method for reporting a terminal state according to the first aspect, or the computer program is executed by the processor to implement the steps in the method for configuring SRS resources according to the second aspect, or the computer program is executed by the processor to implement the steps in the method for configuring SRS resources according to the third aspect, or the computer program is executed by the processor to implement the steps in the method for reporting a terminal state according to the fourth aspect, or the computer program is executed by the processor to implement the steps in the method for configuring SRS resources according to the fifth aspect, or the computer program is executed by the processor to implement the method for configuring SRS resources according to the sixth aspect Or the computer program when executed by the processor implements the steps in the SRS resource switching method according to the seventh aspect, or the computer program when executed by the processor implements the steps in the SRS resource switching method according to the eighth aspect.

In the embodiment of the present invention, a network side device may receive first reporting information sent by a terminal, where the first reporting information is used to indicate that an antenna used by the terminal to send a last symbol of a special time slot may be different from an antenna used to send a first symbol of an uplink time slot. Thus, the network side can instruct the terminal to switch the antenna for sending the last symbol of the special time slot or switch the uplink symbol for sending the last symbol of the special time slot according to the instruction, so that the antenna for sending the last symbol of the special time slot by the terminal is the same as the antenna for sending the first symbol of the uplink time slot; or, the network side device is informed of the information, and a low-power decoding mode is adopted to decode the signal carried on the first symbol of the uplink time slot, so as to improve the reliability of decoding the signal carried on the first symbol of the uplink time slot; or, the terminal may perform antenna autonomous switching when the antenna for transmitting the last symbol of the special timeslot and the antenna for transmitting the first symbol of the uplink timeslot may be different, so that the antenna for transmitting the last symbol of the special timeslot and the antenna for transmitting the first symbol of the uplink timeslot are the same for the terminal, and a problem of poor signal transmission reliability of the first symbol of the uplink timeslot due to untimely switching in a process of carrying resources through different antennas on two adjacent symbols is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be 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 that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a diagram illustrating symbols included in a special slot and an uplink slot;

fig. 2a is one of application scene diagrams of an SRS resource allocation method or an SRS resource switching method according to an embodiment of the present invention;

fig. 2b is a second application scenario diagram of an SRS resource allocation method or an SRS resource switching method according to the embodiment of the present invention;

fig. 2c is a third application scenario diagram of an SRS resource allocation method or an SRS resource switching method according to the embodiment of the present invention;

fig. 3 is a flowchart of a method for reporting a terminal state, which is applied to a network side device according to an embodiment of the present invention;

fig. 4a is a flowchart of an SRS resource configuration method applied to a network side device according to an embodiment of the present invention;

fig. 4b is a flowchart of another SRS resource configuration method applied to a network side device according to an embodiment of the present invention;

Fig. 5 is a flowchart of a method for reporting a terminal status according to an embodiment of the present invention;

fig. 6a is a flowchart of an SRS resource allocation method applied to a terminal according to an embodiment of the present invention;

fig. 6b is a flowchart of another SRS resource allocation method applied to a terminal according to an embodiment of the present invention;

fig. 7 is a flowchart of an SRS resource switching method applied to a terminal according to an embodiment of the present invention;

fig. 8 is a flowchart of an SRS resource switching method applied to a network side device according to an embodiment of the present invention;

fig. 9a is a structural diagram of a first network-side device according to an embodiment of the present application;

fig. 9b is a structural diagram of a second network-side device according to an embodiment of the present application;

fig. 9c is a structural diagram of a third network-side device according to an embodiment of the present application;

fig. 9d is a structural diagram of a fourth network-side device according to the embodiment of the present application;

fig. 10a is a structural diagram of a first terminal according to an embodiment of the present application;

fig. 10b is a structural diagram of a second terminal provided in the embodiment of the present application;

fig. 10c is a structural diagram of a third terminal provided in the embodiment of the present application;

fig. 10d is a structural diagram of a fourth terminal provided in the embodiment of the present application;

Fig. 11 is a structural diagram of a fourth network device according to an embodiment of the present application;

fig. 12 is a block diagram of a fourth terminal according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 current 5G frequency band may use a frame structure as shown in fig. 1, where, during the process of switching the terminal from downlink transmission to uplink transmission, a special time slot needs to be spaced between the downlink time slot and the uplink time slot, so as to ensure that there is enough time for the terminal to prepare for uplink transmission through the special time slot.

Taking the application scenario shown in fig. 1 as an example, in a period of 5 milliseconds, the method includes: 7 downlink time slots, 1 special time slot, and 2 uplink time slots, and each time slot has a time length of 0.5 ms, and each time slot includes 14 Orthogonal Frequency Division Multiplexing (OFDM) symbols.

In the transmission process, all symbols in the downlink time slot are downlink symbols, namely all symbols are used for downlink transmission; the special timeslot includes 6 downlink symbols, 4 symbols as guard period, and finally 4 uplink symbols; the special slot is followed by an uplink slot, where all symbols are uplink symbols.

As can be seen from fig. 1, the uplink symbol in the special timeslot is directly connected to the uplink timeslot. However, since the uplink symbols in the special timeslot and the uplink timeslot belong to different timeslots, the two uplink symbols are generally planned to different purposes in network planning. In detail, 4 uplink symbols in a special slot are generally used for transmitting SRS or Physical Random Access Channel (PRACH), and the uplink slot is used for transmitting PUSCH, PUCCH or PRACH. Thus, 4 uplink symbols in the special time slot can conform to the time-frequency resource of the SRS calculated according to the symbols, even if the time-domain granularity of the special time slot is matched with the time-frequency resource of the SRS; in addition, the format of the uplink slot is also matched to the PUSCH or PUCCH transmitted per slot, for example: the commercial PUCCH format 0 occupies 1 uplink slot.

Theoretically, PRACH may also be transmitted in special time slots, e.g. using shorter two-symbol and four-symbol PRACH formats, etc. At this time, there is a possibility that the PRACH in the special slot and the PUSCH/PUCCH in the uplink slot collide with each other. However, in the current network, a method of transmitting SRS in a special time slot is generally adopted, and only a few small stations transmit short-format PRACH. Therefore, in the following discussion, SRS is taken as an example. However, in principle all design methods for SRS with special time slots can be reused without difficulty in case of PRACH with special time slots.

Furthermore, four receiving antennas and 4 corresponding receiving radio frequency links are generally implemented on the current terminal, but only one or two sets of transmitting radio frequency links are generally implemented in uplink transmission. In order for the base station to obtain the channel state information of all the reception antennas, it is necessary to transmit SRS for each reception antenna. In this way, the transmitting rf link of the terminal must be switched between different receiving antennas, so that all receiving antennas have the opportunity to transmit SRS.

For example: as shown in fig. 2a, in the application scenario of 1T2R, the terminal transmits SRS on one of the two SRS transmitting antennas at a first time, transmits SRS on the other of the two SRS transmitting antennas at a second time (i.e. transmits SRS on the antennas shown by the bold lines in fig. 2a at different times), and does not transmit SRS on the two receiving antennas except the two SRS transmitting antennas.

For another example: in the 1T4R application scenario shown in fig. 2b, the terminal transmits SRS on four antennas at four different time instants (i.e., transmits SRS on the antennas shown by the bold lines in fig. 2b at different time instants).

For another example: in the application scenario of 2T4R shown in fig. 2c, the terminal respectively transmits SRS at two different time instances, where time instance a respectively transmits SRS on the first and third antennas, and time instance b respectively transmits SRS on the second and fourth antennas (i.e. SRS is transmitted on antennas shown by the bold lines in fig. 2c at different time instances).

As can be seen from the above example, in the related art, if the network side configures the terminal to transmit the SRS on the last uplink symbol of the special slot, the terminal will transmit the SRS on the uplink symbol by using a fixed antenna, for example: in the application scenario of 2T4R, the network side may configure the terminal to transmit SRS on antenna B and antenna D on the last symbol of the special timeslot. However, according to the antenna adaptation function of the terminal, when the terminal transmits the PUSCH or PUCCH channel, the terminal autonomously selects which antenna or antennas with better signals to use for transmission. In the process that a user uses the terminal, the problem that as much as dozens of dB of signal attenuation is caused by adopting an antenna which is shielded by shielding objects such as hands or bodies of the user to transmit the PUSCH or PUCCH channel is avoided, so that the strength of a transmitted signal can be effectively enhanced by selecting the unshielded antenna to transmit the PUSCH or PUCCH channel through the antenna self-adaption function.

Thus, there occurs: a network side configures a terminal to adopt a fixed antenna to transmit an SRS on the last uplink symbol of a special time slot, and an antenna with a better signal is selected by an antenna self-adapting function of the terminal to transmit a PUSCH or PUCCH channel, at the moment, the antenna for transmitting the SRS and the antenna for transmitting the PUSCH or PUCCH channel may be different antennas, and the last uplink symbol of the special time slot and the first symbol of the uplink time slot are adjacent symbols, so that the condition that different transmitting antennas need to be switched on the two adjacent symbols is caused.

However, in practical applications, a terminal cannot be quickly switched from one antenna to another antenna on two adjacent symbols, and if the terminal is immediately switched to the antenna B for PUSCH, PUCCH or PRACH channel transmission after the last uplink symbol of a special slot transmits SRS or PRACH on the antenna a, the problem of low transmission power of the first symbol of the uplink slot may be caused, and at this time, the base station does not know that the power of the terminal on the first symbol of the uplink slot is low at all, and still decodes according to the full power, which may cause a receiving error of the base station, and finally, the base station may only select to use a lower Modulation and Coding Scheme (MCS) for transmission on the uplink slot, which may cause a low downlink rate and reduce the signal transmission reliability of the first symbol of the uplink slot.

In an embodiment of the present application, a terminal reports information that an antenna that transmits a last symbol of a special timeslot and an antenna that transmits a first symbol of an uplink timeslot may be different, for example: and the terminal sends information that the antenna for sending the SRS on the last symbol of the special time slot is different from the antenna for sending the PUSCH or PUCCH, so that the network side equipment reconfigures the antenna for sending the SRS for the terminal according to the reported information, reconfigures the uplink symbol for sending the SRS for the terminal, or analyzes the signal sent on the first symbol of the uplink time slot by adopting a lower-power decoding mode, and the like.

In another embodiment of the present application, when detecting that an antenna for transmitting a last symbol of a special time slot and an antenna for transmitting a first symbol of an uplink time slot may be different, a terminal autonomously switches an antenna for transmitting an SRS on the last symbol of the special time slot and an antenna for transmitting the first symbol of the uplink time slot to the same antenna, and informs a network side of a resource of the SRS after switching.

With either of the above two embodiments, it is possible to avoid switching the terminal to different antennas for signal transmission on two adjacent uplink symbols, so as to improve the signal transmission reliability of the first uplink symbol in the uplink slot, and to reduce the loss of uplink throughput by performing reliable signal transmission on the first uplink symbol in the uplink slot, and when PUCCH format 0 is transmitted in the uplink slot (PUCCH format 0 occupies 14 symbols in the time domain), so as to avoid the problem of reducing the capacity of the uplink PUCCH due to no data transmission on the first uplink symbol in the uplink slot.

Of course, in a specific implementation, the time a and the time b may be respectively an uplink symbol in the special slot, and two symbols of the SRS transmitted by the same terminal are not adjacent symbols, taking 2T4R as an example, the time a and the time b may be respectively a first uplink symbol and a third uplink symbol of the special slot, and the time a and the time b may also be a second uplink symbol and a fourth uplink symbol of the special slot. In application, in view of resource multiplexing among users, a part of terminals in a cell may transmit SRS using a first uplink symbol and a third uplink symbol in a special slot, and another part of terminals may transmit SRS using a second uplink symbol and a fourth uplink symbol in the special slot. In other words, at the same time, the SRS resource allocation method or the SRS resource switching method provided in the embodiment of the present application may be performed only on a terminal in which the SRS is transmitted using the fourth uplink symbol in the special slot in the cell and an antenna for transmitting the SRS is different from an antenna for transmitting the PUSCH or PUCCH determined by the antenna adaptation function.

It should be noted that the method for reporting a terminal state, the method for configuring an SRS resource, and the method for switching an SRS resource provided in the embodiment of the present application are not limited to be applied only to a 5G frequency band, and may also be applied to any application scenario in which an antenna that transmits a last symbol of a special timeslot of a terminal is different from an antenna that transmits a first symbol of an uplink timeslot, for example: the 4G band or the 6G band that may appear in the future, and the 5G band is only used as an example here.

Please refer to fig. 3, which is a flowchart of a method for reporting a terminal status of a network device according to an embodiment of the present application, where the method is applied to a network device receiving information reported by a terminal to obtain that the terminal exists: the antenna for sending the last symbol of the special time slot and the antenna for sending the first symbol of the uplink time slot may be different, so that the resource for sending the last symbol of the special time slot is reconfigured, and the signal transmission reliability of the first uplink symbol in the uplink time slot is improved in a manner that the antenna for sending the last symbol of the special time slot is different from the antenna for sending the first symbol of the uplink time slot on the last symbol of the special time slot; or, in the case of receiving a signal carried by the first symbol of the uplink timeslot, decoding is performed with corresponding low power, so as to avoid decoding errors, and improve the reliability of signal transmission of the first uplink symbol in the uplink timeslot.

As shown in fig. 3, the method for reporting a terminal status applied to a network side device may include the following steps:

step 301, receiving first reporting information sent by a terminal, where the first reporting information is used to characterize that an antenna used by the terminal to send a last symbol of a special timeslot may be different from an antenna used to send a first symbol of an uplink timeslot.

In a specific implementation, the terminal may transmit the SRS or the PRACH on the last symbol of the special slot, and the terminal may transmit the PUCCH, PUSCH, or the PRACH on the first symbol of the uplink slot. Thus, the antenna for the terminal to transmit the last symbol of the special timeslot and the antenna to transmit the first symbol of the uplink timeslot may be different, and may include: the case that the antenna used by the terminal to transmit the SRS on the last symbol of the special slot is different from the antenna used by the terminal to transmit the uplink slot is particularly applicable to the terminal configured to transmit the SRS on the second uplink symbol and the fourth uplink symbol in the special slot.

Of course, the antenna for the terminal to transmit the last symbol of the special timeslot and the antenna to transmit the first symbol of the uplink timeslot may be different, and may further include: in order to avoid repetition, the following takes only the case that the antenna for transmitting the SRS on the last symbol of the special slot by the terminal is different from the antenna for transmitting the PUSCH, PUCCH, or PRACH as an example, and illustrates the method for reporting the terminal status provided in the embodiment of the present invention, where the case that the antenna for transmitting the PRACH on the last symbol of the special slot by the terminal is different from the antenna for transmitting the PUCCH or PUSCH on the first symbol of the uplink slot by the terminal may be different from the case that the antenna for transmitting the SRS on the last symbol of the special slot by the terminal is different from the antenna for transmitting the PUSCH, PUCCH, or PRACH by the terminal.

As an optional implementation manner, the first reporting information includes:

and indication information of a target SRS port, wherein the target SRS port is an SRS port of an antenna which is different from an antenna used for transmitting an uplink time slot and is used for transmitting the SRS.

In a specific implementation, the target SRS port may be referred to as an SRS port that is not reused for an antenna used for transmitting an uplink slot, for example: the physical antenna used when sending the SRS on the SRS port is different from the antenna used for sending the PUSCH, PUCCH, or PRACH in the uplink slot, that is, the target SRS port is an SRS port using a different antenna from the PUCCH, PUSCH, or PRACH. For another example: the terminal adopts an SRS port a and an SRS port B (2T4R) to respectively send an SRS on the fourth uplink symbol in the special slot, where the SRS port a and the SRS port B respectively correspond to the antenna a and the antenna B, and the terminal knows that it will perform PUSCH or PUCCH transmission on the antenna C and the antenna D, and then the terminal can report the indication information of the SRS port a and the SRS port B to the network side device.

Certainly, in another optional implementation, the first reporting information may include indication information of a reused SRS port, where the reused SRS port is an SRS port of the same antenna corresponding to the PUSCH, PUCCH, or PRACH in the SRS port for sending the SRS, and after the reused SRS port is known, the remaining other SRS ports are non-reused SRS ports, and it is not limited whether the SRS port reported by the first reporting information reuses the SRS port or does not reuse the SRS port.

Further, the first reporting information is transmitted through PUCCH and/or PUSCH and/or RRC signaling.

Taking the first reporting information through the PUCCH as an example, since the terminal only needs to report the indication information of the target SRS port, and occupies 4 bits at most, the overhead on the PUCCH resource is small.

For example: for a terminal adopting a 2T4R radio frequency path, it may be possible to report which one of two SRS ports used on the last uplink symbol in a particular slot and which one of the PUSCH reuse antenna, and which one of the remaining three SRS ports and the PUSCH reuse antenna, which total include six possible states, and add a possible state of no reuse, that is, the terminal needs to report seven possible states in total, and needs to occupy three bits.

For another example: for a terminal using 1T4R rf path, it needs to transmit SRS in two uplink periods. That is, there may be two SRS ports and PUSCH time domain close together. Similarly, the terminal may report which one of the two ports and the PUSCH reuse the antenna, and which one of the remaining three ports and the PUSCH reuse the antenna, which includes six possible states in total, and the possible state without reuse includes seven possible states in total, that is, the terminal needs to report seven possible states in total, and needs to occupy three bits.

For another example: for a terminal adopting a 1T2R radio frequency path, only one SRS port is adjacent to a PUSCH time domain. The terminal only needs to report whether the SRS port and the PUSCH are reused by the antenna, and the base station knows whether the SRS port which is adjacent to the PUSCH time domain is reused. However, the terminal needs to report whether another SRS port is reused with the PUSCH, and the SRS port and the PUSCH may include two possible states in total, and the possible state without reuse includes three possible states in total, that is, the terminal needs to report three possible states in total and needs to occupy two bits.

In this embodiment, the network side device may receive the first reporting information reported by the terminal through the PUCCH, and consume fewer PUCCH resources.

In implementation, when the network side device receives the first report information, it may achieve the purpose of improving the signal transmission reliability of the first uplink symbol in the uplink timeslot through multiple ways.

In a first mode

The existing SRS resource may be kept unchanged overall, but the non-reused SRS port (i.e. the SRS port using a different antenna from the first uplink symbol of the uplink slot) is configured to a position far away from the uplink slot, and the reused SRS port is configured to a position close to the uplink slot.

In this embodiment, the terminal needs to report which SRS ports are reused with the PUSCH, PUCCH, or PRACH, and which SRS ports are not reused with the PUSCH, PUCCH, or PRACH.

In addition, after the network side device reconfigures the SRS resource by configuring the unreused SRS port to a position far from the uplink timeslot and configuring the reused SRS port to a position close to the uplink timeslot, the network side device needs to inform the terminal of the corresponding relationship between the original SRS port before reconfiguration and the SRS port after reconfiguration, so as to avoid that the terminal performs SRS transmission by using the mapping between the physical antenna and the SRS port different from those configured by the network side device.

For example: assume that, before handover, a physical antenna a, an antenna B, an antenna C, and an antenna D of a terminal correspond to an SRS port A, SRS, a port B, SRS, a port C, and an SRS port D, respectively, in sequence; in this case, if the terminal transmits SRS on the last symbol of the special slot and the terminal transmits PUSCH or PUCCH on different antennas, the network side device may reconfigure the SRS port transmission order, for example: while the SRS port C, SRS, port D, SRS, port a and SRS port B are reconfigured as the transmission order of the SRS port C, SRS, the terminal may sequentially correspond the physical antenna a, the antenna B, the antenna C, and the antenna D to the SRS port C after switching (original SRS port a), the SRS port D after switching (original SRS port B), the SRS port a after switching (original SRS port C), and the SRS port B after switching (original SRS port D), respectively, if the correspondence relationship between the SRS port of the terminal and the physical antenna is not specified, so that the SRS resource reconfigured by the network side device cannot be generated: and switching the antenna for transmitting the SRS by the terminal on the last symbol of the special slot and the antenna for transmitting the PUSCH or PUCCH to the same antenna.

In this embodiment, the network side device may reconfigure a sequence of antennas for the terminal to transmit the SRS, and notify the terminal of a mapping relationship between an SRS port before switching and an SRS port after switching, so that an antenna for the terminal to transmit the SRS on the last symbol of the special slot and an antenna for transmitting the PUSCH or PUCCH are the same antenna, thereby improving reliability of signal transmission on the first uplink symbol of the terminal in the uplink slot.

Mode two

And directly changing the overall configuration of the SRS resource to ensure that the SRS resource is not adjacent to the uplink symbol for transmitting the PUSCH, PUCCH or PRACH.

In this embodiment, the terminal does not need to report which SRS ports are reused with the PUSCH, PUCCH, or PRACH, and which SRS ports are not reused with the PUSCH, PUCCH, or PRACH, but only needs to report an event that an antenna used for instructing the terminal to transmit the SRS on the last symbol of the special slot is different from an antenna used for transmitting the PUSCH, PUCCH, or PRACH.

In addition, the above-mentioned overall configuration of directly changing the SRS resource can be understood as: and reconfiguring time domain and/or frequency domain resources of the terminal for sending the SRS.

Specifically, the time domain and/or frequency domain resources for transmitting the SRS on the second uplink symbol and the fourth uplink symbol in the special slot may be switched to the time domain and/or frequency domain resources for transmitting the SRS on the first uplink symbol and the third uplink symbol in the special slot, so that the SRS is not transmitted on the fourth uplink symbol in the special slot, and thus, a buffer time may be provided for an antenna switched to transmit the PUSCH, the PUCCH, or the PRACH on the uplink symbol. In this embodiment, the problem that the reliability of signal transmission on the first uplink symbol in the uplink slot is poor due to the fact that the antenna for transmitting the SRS on the last symbol of the special slot by the terminal is different from the antenna for transmitting the PUSCH, PUCCH, or PRACH can also be avoided.

Mode III

And under the condition of receiving the PUSCH, PUCCH or PRACH information, decoding the PUSCH, PUCCH or PRACH information received on the first uplink symbol in the uplink time slot by adopting corresponding low power so as to avoid decoding errors.

In this embodiment, according to the fact that the antenna for transmitting the SRS on the last symbol of the special slot reported by the terminal is different from the antenna for transmitting the PUSCH, PUCCH, or PRACH received by the network side device, it is predicted that the transmission power of the PUSCH, PUCCH, or PRACH transmitted on the first uplink symbol in the uplink slot is low, so that the terminal is decoded with a corresponding low power to avoid a decoding error, and thus the problem of poor reliability of signal transmission on the first uplink symbol in the uplink slot due to the fact that the antenna for transmitting the SRS on the last symbol of the special slot is different from the antenna for transmitting the PUSCH, PUCCH, or PRACH can be avoided.

In the embodiment of the present invention, a network side device may receive first reporting information sent by a terminal, where the first reporting information is used to indicate that an antenna used by the terminal to send a last symbol of a special time slot may be different from an antenna used to send a first symbol of an uplink time slot. Thus, the network side can instruct the terminal to switch the antenna for sending the last symbol of the special time slot or switch the uplink symbol for sending the last symbol of the special time slot according to the instruction, so that the antenna for sending the last symbol of the special time slot by the terminal is the same as the antenna for sending the first symbol of the uplink time slot; or, informing the network side device accordingly, decoding the signal carried on the first symbol of the uplink timeslot by adopting a low-power decoding mode, so as to improve the reliability of decoding the signal carried on the first symbol of the uplink timeslot; or, the terminal may perform antenna autonomous switching when the antenna for transmitting the last symbol of the special timeslot and the antenna for transmitting the first symbol of the uplink timeslot may be different, so that the antenna for transmitting the last symbol of the special timeslot and the antenna for transmitting the first symbol of the uplink timeslot are the same for the terminal, and a problem of poor signal transmission reliability of the first symbol of the uplink timeslot due to untimely switching in a process of carrying resources through different antennas on two adjacent symbols is avoided.

Please refer to fig. 4a, which is a flowchart of an SRS resource allocation method applied to a network side device according to an embodiment of the present application, where as shown in fig. 4a, the SRS resource allocation method may include the following steps:

step 401a, sending SRS resource configuration information to a terminal, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS.

The network side device sends the SRS resource configuration information to the terminal, and may reconfigure the SRS resource of the terminal. It may specifically include: and switching the transmission sequence of the SRS ports. Further, the following steps can be carried out: switching the sending sequence of the SRS ports by aiming at enabling the antenna for sending the SRS on the last symbol of the special time slot and the antenna for sending the first symbol of the uplink time slot to be the same antenna; or, configure time and/or frequency domain resources for transmitting SRS, for example: configuring the SRS, which is sent by the terminal on the second uplink symbol and the fourth uplink symbol in the special slot, as: and SRS transmitted on the first uplink symbol and the third uplink symbol in the special time slot.

In a specific implementation, before performing step 401, the network side device already knows that the terminal exists: under the condition that an antenna for sending the SRS on the last symbol of the special time slot is different from an antenna for sending the first symbol of the uplink time slot, the user already knows which SRS ports of the terminal and the antenna for reusing the first symbol (such as PUCCH) of the uplink time slot; or, it is already known which SRS ports of the terminal do not reuse the antenna with the first symbol of the uplink slot. For example: in the embodiment of the method shown in fig. 3, the first reporting information reported by the terminal is received.

The method specifically comprises the following conditions:

situation one

When the network side device has learned that the terminal has an event that the antenna for transmitting the SRS on the last symbol of the special slot is different from the antenna for transmitting the first symbol of the uplink slot, the network side device may configure the time domain and/or frequency domain resource for the terminal to transmit the SRS, so that the terminal does not transmit the SRS on the last symbol of the special slot.

Situation two

The network side equipment already knows which SRS ports of the terminal and the first symbol of the uplink time slot reuse the antenna; or, under the condition that it is known which SRS ports of the terminal and the first symbol of the uplink slot do not reuse the antenna, the network side device may configure the transmission sequence of the terminal switching SRS ports, so that the antenna for transmitting the SRS on the last symbol of the special slot and the antenna for transmitting the first symbol of the uplink slot are the same antenna.

Under the condition of configuring the sending sequence of the terminal switching SRS ports, the network side equipment also needs to inform the terminal of the mapping relationship between the SRS ports after switching and the original SRS ports.

In implementation, the mapping relationship between the SRS port after the switching and the original SRS port may be carried by Radio Resource Control (RRC) signaling or Downlink Control Information (DCI).

And the RRC signaling or the DCI carries a mapping relation between the SRS port before switching and the SRS port after switching. For example: the mapping relationship between the SRS ports before and after switching can be indicated by the following table 1:

TABLE 1

Existing port	Original port
		A	C
B	D
		C	A
D	B

Wherein, table 1 above represents: the existing SRS port a may correspond to the SRS port C before switching; the existing SRS port B may correspond to the SRS port D before the switching; the existing SRS port C may correspond to the SRS port a before switching; the existing SRS port D may correspond to the SRS port B before the handover.

In this embodiment, after the network side device reconfigures the SRS resource of the terminal, the network side device informs the terminal of the mapping relationship between the SRS port before switching and the SRS port after switching through RRC signaling or DCI, so as to avoid that the terminal performs SRS transmission by using a mapping between a physical antenna and the SRS port different from those configured by the network side device, and thus, the reliability of the SRS resource configuration method can be improved.

Situation three

The network side equipment already knows which SRS ports of the terminal and the first symbol of the uplink time slot reuse the antenna; or, under the condition that it is known which SRS ports of the terminal and the first symbol of the uplink slot do not reuse the antenna, the network side device may also configure the time domain and/or frequency domain resource for the terminal to transmit the SRS, so that the terminal does not transmit the SRS on the last symbol of the special slot.

Of course, in some application scenarios with abundant resources, the network side device may transmit SRS resource configuration information to all terminals in the same cell, so as to instruct the terminals to switch antennas for transmitting SRS, or switch uplink symbols for transmitting SRS, so as to avoid a situation where an antenna for transmitting SRS on the last uplink symbol of the special slot is different from an antenna for transmitting the first symbol of the uplink slot, and at this time, the network side device may perform step 401 even if it is not known that the terminal has the antenna for transmitting SRS on the last symbol of the special slot that is different from the antenna for transmitting the first symbol of the uplink slot, which is not specifically limited herein.

In the embodiment of the application, the network side device can send SRS resource configuration information to the terminal to instruct the terminal to switch the antenna for sending the SRS or switch the uplink symbol for sending the SRS, so as to avoid the problem that the reliability of signal transmission on the first uplink symbol in the uplink slot is poor due to the fact that the antenna for sending the SRS on the last symbol of the special slot is different from the antenna for sending the first symbol of the uplink slot.

Please refer to fig. 4b, which is a flowchart of another SRS resource allocation method applied to a network side device according to an embodiment of the present application, and as shown in fig. 4b, the SRS resource allocation method may include the following steps:

step 401b, sending the reconfigured SRS configuration information to the terminal, and sending a mapping relationship between the SRS port before reconfiguration and the SRS port after reconfiguration to the terminal.

In a specific implementation, the above-mentioned reconfigured SRS configuration information is different from the existing SRS configuration information of the terminal, and may specifically include that the SRS ports are transmitted in a different order.

In addition, the manner of sending the mapping relationship between the SRS port before reconfiguration and the SRS port after reconfiguration to the terminal may be the same as the manner of informing, in the embodiment of the method shown in fig. 4a, the mapping relationship between the SRS port after terminal switching and the original SRS port by the network side device, for example: and bearing the mapping relation between the SRS port before the reconfiguration and the SRS port after the reconfiguration through RRC signaling or DCI.

In the embodiment of the invention, under the condition that the SRS resource of the terminal is reconfigured, the network side equipment also informs the terminal of the mapping relation between the SRS port before reconfiguration and the SRS port after reconfiguration, so that the terminal can accurately transmit according to the SRS port transmitting sequence indicated by the network side equipment.

Referring to fig. 5, a flowchart of a method for reporting a terminal status applied to a terminal according to an embodiment of the present application is shown in fig. 5, where the method for reporting a terminal status includes the following steps:

step 501, sending first reporting information to a network side device, where the first reporting information is used to characterize that an antenna for sending a last symbol of a special time slot and an antenna for sending a first symbol of an uplink time slot may be different.

In a specific implementation, the step 501 executed by the terminal corresponds to the step 301 executed by the network side device in the embodiment shown in fig. 3, and is not described herein again.

Optionally, the terminal transmits SRS or PRACH on the last symbol of a special slot.

Optionally, the terminal sends a PUCCH, PUSCH, or PRACH on a first symbol of an uplink slot.

Optionally, the first reporting information includes:

and indicating information of a target SRS port, wherein the target SRS port is an SRS port of an antenna which is different from an antenna used for transmitting an uplink time slot and is in SRS transmission.

Further, the target SRS port is an SRS port using a different antenna from the PUCCH, PUSCH, PRACH.

Optionally, the first reporting information is transmitted through PUCCH and/or PUSCH and/or RRC signaling.

The method for reporting a terminal state applied to a terminal provided in the embodiment of the present application corresponds to the method for reporting a terminal state applied to a network side device shown in fig. 3, and can obtain the same beneficial effects, which are not described herein again.

Referring to fig. 6a, which is a flowchart of an SRS resource allocation method applied to a terminal according to an embodiment of the present invention, as shown in fig. 6a, the SRS resource allocation method may include the following steps:

step 601a, receiving SRS resource configuration information sent by a network side device, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS.

Optionally, after receiving the SRS resource configuration information sent by the network side device, the method further includes:

and receiving RRC signaling or DCI sent by the network side equipment, wherein the RRC signaling or the DCI carries a mapping relation between the SRS port before switching and the SRS port after switching.

In a specific implementation, the step 601a executed by the terminal corresponds to the step 401a executed by the network side device in the embodiment shown in fig. 4a, and is not described herein again.

The SRS resource switching method applied to the terminal provided in the embodiment of the present application corresponds to the SRS resource switching method applied to the network side device shown in fig. 4a, and can obtain the same beneficial effects, which are not described herein again.

Please refer to fig. 6b, which is a flowchart of an SRS resource allocation method applied to a terminal according to an embodiment of the present application, and as shown in fig. 6b, the SRS resource allocation method may include the following steps:

step 601b, receiving the reconfigured SRS configuration information sent by the network side device, and receiving the mapping relationship between the SRS port before reconfiguration and the SRS port after reconfiguration sent by the network side device.

In a specific implementation, step 601b executed by the terminal corresponds to step 401b executed by the network side device in the embodiment shown in fig. 4b, and is not described herein again.

The SRS resource allocation method applied to the terminal provided in the embodiment of the present application corresponds to the SRS resource allocation method applied to the network side device shown in fig. 4b, and can obtain the same beneficial effects, which are not described herein again.

Please refer to fig. 7, which is a flowchart of an SRS resource switching method applied to a terminal according to an embodiment of the present application, where the SRS resource switching method is different from the SRS resource allocation method in the embodiment of the methods shown in fig. 3 to fig. 6 in that: in the SRS resource switching method in the embodiment of the application, the terminal actively switches the SRS resource without the configuration of network side equipment. As shown in fig. 7, the SRS resource switching method applied to the terminal may include the following steps:

Step 701, the antenna for transmitting the SRS on the last symbol of the special timeslot and the antenna for transmitting the first symbol of the uplink timeslot are switched to the same antenna.

Step 702, reporting the mapping relationship between the SRS port before switching and the SRS port after switching to the network side device.

In implementation, the terminal knows which antennas it employs to transmit the SRS and the antenna that transmits the first symbol of the uplink slot, for example: and selecting one antenna with the best signal quality to transmit the PUSCH or PUCCH according to the signal quality of each antenna. And the terminal may switch the antenna transmitting the SRS on the last uplink symbol in the special slot to the same antenna as the antenna transmitting the first symbol of the uplink slot on its own. For example: assuming that original SRS ports a, B, c, and d of the terminal respectively correspond to the physical antenna A, B, C, D, where the SRS ports c and d transmit SRS on the last uplink symbol in the special slot, and the PUSCH of the terminal uses the antennas a and B, the terminal may autonomously and respectively correspond the SRS ports a, B, c, and d to the antenna C, D, A, B, so as to avoid the problem that two adjacent uplink symbols in the special slot and the uplink slot transmit signals using different antennas.

Certainly, after switching the antenna for sending the SRS, the terminal needs to notify the network side device of the mapping relationship between the SRS port and the antenna after switching, otherwise, the base station side cannot obtain correct downlink channel information.

In implementation, since the network side device does not know how many and how the actual physical antennas of the terminal are configured, the terminal can know the mapping relationship between the SRS ports after switching and the antennas by telling the network side device which SRS port corresponds to which of the original SRS ports.

Optionally, the mapping relationship between the SRS ports before switching and the SRS ports after switching is carried by a PUCCH or a PUSCH.

In implementation, the terminal may report, to the network side device, a mapping relationship between the SRS port before the switching and the SRS port after the switching through any one of the following two ways:

in one mode

The terminal informs the network side device of the mapping relationship between the switched SRS port and the original SRS port in a manner shown in table 2.

TABLE 2

Existing port	Original port (a)_i) Candidate set of
		A	a₁＝A、B、C、D
B	a₂＝A、B、C、D
		C	a₃＝A、B、C、D
D	a₄＝A、B、C、D

Wherein, a_iIndicating an original SRS port that may correspond to the ith existing SRS port.

It should be noted that, in implementation, if the mapping relationship between the SRS port after switching and the original SRS port is reported in the manner shown in table 2, each SRS port needs to report four possible states, and the report information consumes 8 bits of resources in total. Since the SRS resource switching is generally dynamic switching, reporting signaling is often required to be reported in a physical layer channel, for example, PUCCH or PUSCH, thereby causing high overhead to PUSCH or PUCCH.

Mode two

The terminal informs the network side device of the mapping relationship between the switched SRS port and the original SRS port in the manner shown in table 3.

TABLE 3

The original SRS port corresponding to the existing SRS port a may be any one of the SRS ports A, B, C, D, that is, the original SRS port corresponding to the existing SRS port a has four possible states; because the original SRS port corresponding to the existing SRS port B is not the same as the original SRS port corresponding to the existing SRS port A, the original SRS port corresponding to the existing SRS port B has three possible states; because the original SRS port corresponding to the existing SRS port C is not the same as the original SRS ports corresponding to the existing SRS ports A and B, the original SRS port corresponding to the existing SRS port C has two possible states; except for the original SRS ports corresponding to the existing SRS ports A, B and C, the remaining SRS port corresponding to the existing SRS port D has only one possible state, so that reporting is not required.

As can be seen from the above, 5 bits of resources are required to report all possible states of the conventional SRS ports A, B, C and D, which reduces the resource consumption by three bits compared to the manner shown in table 2.

Compared with the SRS resource allocation method as shown in any one of fig. 3 to fig. 6, the SRS resource allocation method according to this embodiment has an advantage of faster switching speed, that is, when the terminal finds that the antenna for transmitting the SRS in the last symbol of the special slot is different from the antenna for transmitting the first symbol of the uplink slot, the terminal can directly switch the antenna for transmitting the SRS in the last symbol of the special slot to the antenna used for transmitting the first symbol of the uplink slot.

In addition, compared with the SRS resource switching method provided in the embodiment of the present application, the method for configuring the SRS resource to the terminal through the network side device has higher reliability, for example: if the terminal side is allowed to autonomously change the mapping relationship between the SRS port and the antenna, a terminal with partial incomplete test may have abnormal behavior, such as frequent switching, but the switching of the SRS resource switching method provided in the embodiment of the present application is faster than the switching of the SRS resource configured for the terminal by the network side device.

Please refer to fig. 8, which is a flowchart of an SRS resource switching method applied to a network side device according to an embodiment of the present application, and as shown in fig. 8, the SRS resource switching method applied to the network side device may include the following steps:

Step 801, receiving a mapping relationship between an SRS port before switching and an SRS port after switching, which is reported by a terminal.

Optionally, the method further comprises:

and determining downlink channel information based on the switched SRS port.

In a specific implementation, step 801 executed by the network side device corresponds to step 702 executed by the terminal in the embodiment shown in fig. 7, and is not described herein again.

The SRS resource switching method applied to the network side device provided in the embodiment of the present application corresponds to the SRS resource switching method applied to the terminal as shown in fig. 7, and can obtain the same beneficial effects, which are not described herein again.

Referring to fig. 9a, a structural diagram of a first network-side device according to an embodiment of the present application is shown in fig. 9a, where the first network-side device 900a includes:

a first receiving module 901a, configured to receive first reporting information sent by a terminal, where the first reporting information is used to characterize that an antenna that sends a last symbol of a special timeslot and an antenna that sends a first symbol of an uplink timeslot may be different from each other.

Optionally, the terminal sends the SRS or the PRACH on the last symbol of the special time slot.

Optionally, the terminal sends a PUSCH, a PUCCH, or a PRACH on a first symbol of an uplink slot.

Optionally, the first reporting information includes:

Optionally, the target SRS port is an SRS port using a different antenna from the PUCCH, PUSCH, or PRACH.

Optionally, the first reporting information is transmitted through a PUCCH and/or PUSCH and/or RRC signaling.

The first network-side device 900a provided in this embodiment of the present application can perform each process performed by the network-side device in the method embodiment shown in fig. 3, and can obtain the same beneficial effects, and for avoiding repetition, details are not described herein again.

Referring to fig. 9b, a structural diagram of a second network-side device according to an embodiment of the present application is shown in fig. 9b, where the second network-side device 900b includes:

a first sending module 901b, configured to send sounding reference signal, SRS, resource configuration information to a terminal, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS.

Optionally, the switching the antenna for sending the SRS includes:

and switching the transmission sequence of the SRS ports.

Optionally, the switching the antenna for sending the SRS includes:

and switching the sending sequence of the SRS ports so that the antenna for sending the SRS on the last symbol of the special time slot and the antenna for sending the first symbol of the uplink time slot are the same antenna.

Optionally, the switching to transmit the uplink symbol of the SRS includes: and configuring time domain and/or frequency domain resources for transmitting the SRS.

The second network-side device 900b provided in this embodiment of the application can perform each process performed by the network-side device in the method embodiment shown in fig. 4a, and can obtain the same beneficial effect, and for avoiding repetition, details are not described here again.

Referring to fig. 9c, a structural diagram of a third network-side device provided in the embodiment of the present application is shown in fig. 9c, where the third network-side device 900c includes:

a second sending module 901c, configured to send the reconfigured SRS configuration information to the terminal, and send a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration to the terminal.

The third network side device 900c provided in this embodiment of the application can perform each process performed by the network side device in the method embodiment shown in fig. 4b, and can obtain the same beneficial effect, and for avoiding repetition, the details are not described herein again.

Referring to fig. 9d, a structural diagram of a fourth network device according to an embodiment of the present application is shown, and as shown in fig. 9d, the fourth network device 900d includes:

a second receiving module 901d, configured to receive a mapping relationship between a sounding reference signal SRS port before switching and a SRS port after switching, which are reported by a terminal.

Optionally, the fourth network-side device 900d further includes:

and the determining module is used for determining the downlink channel information based on the switched SRS port.

The fourth network-side device 900d provided in this embodiment of the application can perform each process performed by the network-side device in the method embodiment shown in fig. 8, and can obtain the same beneficial effect, and is not described herein again to avoid repetition.

Referring to fig. 10a, a structural diagram of a first terminal according to an embodiment of the present application is shown, and as shown in fig. 10a, the first terminal 1000a includes:

a third sending module 1001a, configured to send first reporting information to a network side device, where the first reporting information is used to characterize that an antenna that sends a last symbol of a special timeslot and an antenna that sends a first symbol of an uplink timeslot may be different from each other.

Optionally, the terminal sends a sounding reference signal SRS or a physical random access channel PRACH on a last symbol of the special time slot.

Optionally, the terminal sends a physical uplink control channel PUCCH, a physical uplink shared channel PUSCH, or a physical random access channel PRACH on a first symbol of an uplink slot.

Optionally, the first reporting information includes:

Optionally, the first reporting information is transmitted through a PUCCH and/or a PUSCH and/or an RRC signaling.

The first terminal 1000a provided in the embodiment of the present application can perform each process performed by the terminal in the method embodiment shown in fig. 5, and can obtain the same beneficial effects, and for avoiding repetition, the details are not repeated herein.

Please refer to fig. 10b, which is a structural diagram of a second terminal according to an embodiment of the present application, and as shown in fig. 10b, the second terminal 1000b includes:

a third receiving module 1001b, configured to receive SRS resource configuration information sent by a network side device, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS.

Optionally, the second terminal 1000b further comprises:

a fifth receiving module, configured to receive an RRC signaling or DCI sent by the network side device, where the RRC signaling or DCI carries a mapping relationship between an SRS port before switching and an SRS port after switching.

The second terminal 1000b provided in this embodiment of the present application can execute each process executed by the terminal in the method embodiment shown in fig. 6a, and can obtain the same beneficial effects, and for avoiding repetition, details are not repeated here.

Referring to fig. 10c, a third structure diagram of a terminal according to an embodiment of the present application is shown, and as shown in fig. 10c, the third structure diagram 1000c includes:

a fourth receiving module 1001c, configured to receive the reconfigured SRS configuration information sent by the network side device, and receive a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration, where the mapping relationship is sent by the network side device.

The second terminal 1000b provided in this embodiment of the present application can execute each process executed by the terminal in the method embodiment shown in fig. 6b, and can obtain the same beneficial effects, and for avoiding repetition, details are not repeated here.

Referring to fig. 10d, a structural diagram of a fourth terminal according to an embodiment of the present application is shown, and as shown in fig. 10d, the fourth terminal 1000d includes:

A switching module 1001d, configured to switch an antenna that transmits a sounding reference signal SRS on a last symbol of the special timeslot and an antenna that transmits a first symbol of the uplink timeslot to the same antenna;

a fourth sending module 1002d, configured to report, to the network side device, a mapping relationship between an SRS port before switching and an SRS port after switching.

The fourth terminal 1000d provided in the embodiment of the present application can perform each process performed by the terminal in the method embodiment shown in fig. 7, and can obtain the same beneficial effects, and for avoiding repetition, the details are not repeated here.

Referring to fig. 11, a network-side device according to an embodiment of the present application is further provided, including: bus 1101, transceiver 1102, antenna 1103, bus interface 1104, processor 1105, and memory 1106.

In a first alternative embodiment:

the transceiver 1102 is configured to receive first reporting information sent by a terminal, where the first reporting information is used to characterize that an antenna used by the terminal to send a last symbol of a special timeslot may be different from an antenna used to send a first symbol of an uplink timeslot.

Optionally, the terminal sends a sounding reference signal SRS or a physical random access channel PRACH on a last symbol of the special slot.

Optionally, the first reporting information includes:

Optionally, the target SRS port is an SRS port using a different antenna from that used for the PUCCH, the PUSCH, or the PRACH.

The network side device in this embodiment can perform each step in the method embodiment shown in fig. 3, and can obtain the same beneficial effect, and for avoiding repetition, details are not described here again.

In a second alternative embodiment:

a transceiver 1102, configured to send SRS resource configuration information to a terminal, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS or switch an uplink symbol for sending the SRS.

Optionally, the switching the antenna for sending the SRS includes:

and switching the transmission sequence of the SRS ports.

Optionally, the switching the antenna for sending the SRS includes:

The network side device in this embodiment can perform the steps in the method embodiment shown in fig. 4a, and can obtain the same beneficial effects, and for avoiding repetition, the details are not described here again.

In a third alternative embodiment:

the transceiver 1102 is configured to send the reconfigured SRS configuration information to the terminal, and send a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration to the terminal.

The network side device in this embodiment can perform each step in the method embodiment shown in fig. 4b, and can obtain the same beneficial effect, and for avoiding repetition, the details are not described here again.

In a fourth alternative embodiment:

the transceiver 1102 is configured to receive a mapping relationship between an SRS port before switching and an SRS port after switching, which is reported by a terminal.

Optionally, the processor 1105 is configured to determine downlink channel information based on the SRS port after switching.

The network side device in this embodiment can perform each step in the method embodiment shown in fig. 8, and can obtain the same beneficial effect, and for avoiding repetition, details are not described here again.

In fig. 11, a bus architecture (represented by bus 1101), bus 1101 may include any number of interconnecting buses and bridges, bus 1101 linking together various circuits including one or more processors represented by processor 1105 and memory represented by memory 1106. The bus 1101 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 1104 provides an interface between the bus 1101 and the transceiver 1102. The transceiver 1102 may be one element or multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. Data processed by processor 1105 is transmitted over a wireless medium via antenna 1103. further, antenna 1103 may receive and transmit data to processor 1105.

The processor 1105 is responsible for managing the bus 1101 and general processing, and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. While memory 1106 may be used to store data used by processor 1105 in performing operations.

Alternatively, the processor 1105 may be a CPU, ASIC, FPGA, or CPLD.

Referring to fig. 12, a terminal according to an embodiment of the present application further includes: a bus 1201, a transceiver 1202, an antenna 1203, a bus interface 1204, a processor 1205, and a memory 1206.

In a first alternative embodiment:

the transceiver 1202 is configured to send first reporting information to a network side device, where the first reporting information is used to characterize that an antenna for the terminal to send a last symbol of a special timeslot may be different from an antenna for sending a first symbol of an uplink timeslot.

Optionally, the terminal sends a PUCCH, a PUSCH, or a PRACH on a first symbol of an uplink slot.

Optionally, the first reporting information includes:

The terminal in this embodiment can perform the steps in the method embodiment shown in fig. 5, and can obtain the same beneficial effects, and for avoiding repetition, the details are not described here again.

In a second alternative embodiment:

a transceiver 1202, configured to receive SRS resource configuration information sent by a network side device, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS.

Optionally, after executing the SRS resource configuration information sent by the receiving network side device, the transceiver 1202 is further configured to:

The terminal in this embodiment can perform the steps in the method embodiment shown in fig. 6a, and can obtain the same beneficial effects, and for avoiding repetition, the details are not described herein again.

In a third alternative embodiment:

the transceiver 1202 is configured to receive SRS configuration information for reconfiguration sent by a network side device, and receive a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration sent by the network side device.

The terminal in this embodiment can perform the steps in the method embodiment shown in fig. 6b, and can obtain the same beneficial effects, and for avoiding repetition, the details are not described herein again.

In a fourth alternative embodiment:

a processor 1205 for switching the antenna for transmitting the SRS on the last symbol of the special timeslot and the antenna for transmitting the first symbol of the uplink timeslot to the same antenna;

the transceiver 1202 is configured to report a mapping relationship between an SRS port before switching and an SRS port after switching to a network side device.

The terminal in this embodiment can perform the steps in the method embodiment shown in fig. 7, and can obtain the same beneficial effects, and for avoiding repetition, the details are not described herein again.

In fig. 12, a bus architecture (represented by the bus 1201), the bus 1201 can include any number of interconnected buses and bridges, and the bus 1201 links together various circuits including one or more processors, represented by the processor 1205, and memory, represented by the memory 1206. The bus 1201 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 1204 provides an interface between the bus 1201 and the transceiver 1202. The transceiver 1202 may be one element or multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. Data processed by the processor 1205 is transmitted over a wireless medium through the antenna 1203, and further the antenna 1203 receives the data and transmits the data to the processor 1205.

The processor 1205 is responsible for managing the bus 1201 and normal processing, and may provide a variety of functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And the memory 1206 may be used for storing data used by the processor 1205 in performing operations.

Alternatively, the processor 1205 may be a CPU, ASIC, FPGA, or CPLD.

An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the SRS resource allocation method or the SRS resource switching method embodiment shown in any one of the embodiments in fig. 3 to fig. 8, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

The computer readable storage medium is, for example, ROM, RAM, magnetic disk or optical disk.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element identified by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Through the description of the foregoing embodiments, it is clear to those skilled in the art that the method of the foregoing embodiments may be implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better implementation. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A method for reporting a terminal state is applied to a network side device, and is characterized in that the method comprises the following steps:

and receiving first reporting information sent by a terminal, wherein the first reporting information is used for representing that an antenna for sending a last symbol of a special time slot and an antenna for sending a first symbol of an uplink time slot of the terminal may be different.

2. The method of claim 1, wherein the terminal transmits a Sounding Reference Signal (SRS) or a Physical Random Access Channel (PRACH) on a last symbol of a special slot.

3. The method of claim 1, wherein the terminal transmits a Physical Uplink Control Channel (PUCCH), a Physical Uplink Shared Channel (PUSCH), or a Physical Random Access Channel (PRACH) on a first symbol of an uplink slot.

4. The method of claim 2, wherein the first reporting information comprises:

5. The method of claim 4, wherein the target SRS port is an SRS port using a different antenna than a PUCCH, PUSCH, or PRACH.

6. The method of claim 1, wherein the first reporting information is transmitted via PUCCH and/or PUSCH and/or RRC signaling.

7. A Sounding Reference Signal (SRS) resource allocation method is applied to network side equipment, and is characterized in that the method comprises the following steps:

8. The method of claim 7, wherein switching antennas transmitting the SRS comprises:

and switching the transmission sequence of the SRS ports.

9. The method of claim 8, wherein the switching the uplink symbol for transmitting the SRS comprises: configuring time and/or frequency domain resources for transmitting the SRS.

10. The method of claim 7, wherein switching antennas transmitting the SRS comprises:

11. A Sounding Reference Signal (SRS) resource allocation method is applied to network side equipment, and is characterized in that the method comprises the following steps:

12. A method for reporting a terminal state is applied to a terminal, and is characterized in that the method comprises the following steps:

13. The method of claim 12, wherein the terminal transmits a Sounding Reference Signal (SRS) or a Physical Random Access Channel (PRACH) on a last symbol of a special slot.

14. The method of claim 12, wherein the terminal transmits a Physical Uplink Control Channel (PUCCH), a Physical Uplink Shared Channel (PUSCH), or a Physical Random Access Channel (PRACH) on a first symbol of an uplink slot.

15. The method of claim 12, wherein the first reporting information comprises:

16. The method of claim 15, wherein the target SRS port is an SRS port using a different antenna than a PUCCH, PUSCH, PRACH.

17. The method of claim 12, wherein the first reporting information is transmitted via PUCCH and/or PUSCH and/or RRC signaling.

18. A Sounding Reference Signal (SRS) resource allocation method is applied to a terminal, and is characterized in that the method comprises the following steps:

receiving SRS resource configuration information sent by network side equipment, wherein the SRS resource configuration information is used for indicating the terminal to switch an antenna for sending the SRS or switch an uplink symbol for sending the SRS.

19. The method according to claim 18, wherein after receiving the SRS resource configuration information transmitted by the network side device, the method further comprises:

and receiving a Radio Resource Control (RRC) signaling or Downlink Control Information (DCI) sent by the network side equipment, wherein the RRC signaling or the DCI carries a mapping relation between an SRS port before switching and an SRS port after switching.

20. A Sounding Reference Signal (SRS) resource allocation method is applied to a terminal, and is characterized in that the method comprises the following steps:

21. A Sounding Reference Signal (SRS) resource switching method is applied to a terminal, and is characterized in that the method comprises the following steps:

22. The method of claim 21, wherein the mapping relationship between the SRS ports before switching and the SRS ports after switching is carried by a PUCCH or PUSCH.

23. A Sounding Reference Signal (SRS) resource switching method is applied to network side equipment, and is characterized in that the method comprises the following steps:

24. The method of claim 23, further comprising:

and determining downlink channel information based on the switched SRS port.

25. A network-side device, comprising: a processor and a transceiver;

The transceiver is configured to receive first reporting information sent by a terminal, where the first reporting information is used to indicate that an antenna used by the terminal to send a last symbol of a special time slot may be different from an antenna used to send a first symbol of an uplink time slot;

or,

the transceiver is configured to send SRS resource configuration information to a terminal, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS or switch an uplink symbol for sending the SRS;

or,

the transceiver is configured to send the reconfigured SRS configuration information to a terminal, and send a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration to the terminal;

or,

the transceiver is used for receiving the mapping relationship between the SRS port before switching and the SRS port after switching reported by the terminal.

26. A terminal, comprising: a processor and a transceiver;

the transceiver is configured to send first reporting information to a network side device, where the first reporting information is used to characterize that an antenna for the terminal to send a last symbol of a special time slot may be different from an antenna for sending a first symbol of an uplink time slot;

Or,

the transceiver is configured to receive SRS resource configuration information sent by a network side device, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS;

or,

the transceiver is configured to receive the reconfigured SRS configuration information sent by the network side device, and receive a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration, where the SRS port is sent by the network side device;

or,

the processor is configured to switch an antenna for transmitting the SRS on the last symbol of the special timeslot and an antenna for transmitting the first symbol of the uplink timeslot to the same antenna;

27. A network-side device, comprising:

a first receiving module, configured to receive first reporting information sent by a terminal, where the first reporting information is used to characterize that an antenna used by the terminal to send a last symbol of a special timeslot may be different from an antenna used to send a first symbol of an uplink timeslot;

or,

a first sending module, configured to send SRS resource configuration information to a terminal, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS;

Or,

a second sending module, configured to send the reconfigured SRS configuration information to a terminal, and send a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration to the terminal;

or,

and the second receiving module is used for receiving the mapping relationship between the SRS port before switching and the SRS port after switching reported by the terminal.

28. A terminal, comprising:

a third sending module, configured to send first reporting information to a network side device, where the first reporting information is used to characterize that an antenna that sends a last symbol of a special time slot and an antenna that sends a first symbol of an uplink time slot may be different from each other;

or,

a third receiving module, configured to receive SRS resource configuration information sent by a network side device, where the SRS resource configuration information is used to instruct the terminal to switch an antenna for sending an SRS, or to switch an uplink symbol for sending the SRS;

or,

a fourth receiving module, configured to receive the reconfigured SRS configuration information sent by the network side device, and receive a mapping relationship between an SRS port before reconfiguration and an SRS port after reconfiguration, where the SRS port is sent by the network side device;

Or,

the switching module is used for switching the antenna for sending the SRS on the last symbol of the special time slot and the antenna for sending the first symbol of the uplink time slot into the same antenna;

and the fourth sending module is used for reporting the mapping relationship between the SRS port before switching and the SRS port after switching to the network side equipment.

29. A network side device, comprising a processor, a memory and a computer program stored in the memory and running on the processor, wherein the computer program when executed by the processor implements the steps in the method for reporting the terminal status according to any one of claims 1 to 6, or the computer program when executed by the processor implements the steps in the method for configuring the SRS resource according to any one of claims 7 to 10, or the computer program when executed by the processor implements the steps in the method for configuring the SRS resource according to claim 11, or the computer program when executed by the processor implements the steps in the method for switching the SRS resource according to claim 23 or 24.

30. A terminal, characterized by comprising a processor, a memory and a computer program stored on the memory and being executable on the processor, wherein the computer program, when executed by the processor, implements the steps in the method for reporting a terminal status according to any one of claims 12-17, or the computer program, when executed by the processor, implements the steps in the method for configuring SRS resources according to claim 18 or 19, or the computer program, when executed by the processor, implements the steps in the method for configuring SRS resources according to claim 20, or the computer program, when executed by the processor, implements the steps in the method for switching SRS resources according to claim 21 or 22.

31. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps in the method for reporting a terminal state according to any one of claims 1 to 6, or the computer program, when being executed by the processor, implements the steps in the method for configuring sounding reference signal, SRS, resource according to any one of claims 7 to 10, or the computer program, when being executed by the processor, implements the steps in the method for configuring SRS resource according to claim 11, or the computer program, when being executed by the processor, implements the steps in the method for reporting a terminal state according to any one of claims 12 to 17, or the computer program, when being executed by the processor, implements the steps in the method for configuring SRS resource according to claim 18 or 19, alternatively, the computer program when executed by the processor realizes the steps in the SRS resource configuring method according to claim 20, or the computer program when executed by the processor realizes the steps in the SRS resource switching method according to claim 21 or 22, or the computer program when executed by the processor realizes the steps in the SRS resource switching method according to claim 23 or 24.