CN110213828B

CN110213828B - SRS sending method and mobile terminal

Info

Publication number: CN110213828B
Application number: CN201910455841.4A
Authority: CN
Inventors: 丁志龙
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2022-02-01
Anticipated expiration: 2039-05-29
Also published as: CN110213828A; WO2020238446A1

Abstract

The invention provides a sending method of an SRS and a mobile terminal, wherein the method comprises the following steps: acquiring the moving speed of the mobile terminal; and transmitting the SRS by adopting an SRS transmission mode corresponding to the moving speed. The invention can improve the flexibility of SRS sending.

Description

SRS sending method and mobile terminal

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to a sending method of an SRS and a mobile terminal.

Background

A New Radio (NR) mobile communication system of the fifth Generation (5th-Generation, 5G) introduces a multi-antenna enhancement technology, and the frequency spectrum efficiency, the cell coverage and the system flexibility are greatly improved. In a multi-antenna system, the weight of a signal sent by each antenna array element can be adjusted by utilizing a digital signal processing technology and the spatial characteristics of signal transmission, so that the signal propagation characteristics are corrected. The beamforming technology is to generate a spatially directed beam by modifying the weight of a signal, and can improve the system capacity without significantly increasing the system complexity.

The beamforming technology can be divided into the following according to the feedback mode of the channel information: codebook based beamforming techniques and channel reciprocity based beamforming techniques. In the beamforming scheme based on channel reciprocity, a base station obtains downlink channel information by using the channel reciprocity according to a Sounding Reference Signal (SRS) sent in an uplink, and performs precoding matrix calculation and selection required for downlink. At present, the mobile terminal adopts a fixed SRS transmission mode to transmit the SRS, and the flexibility is low.

Disclosure of Invention

The embodiment of the invention provides a sending method of an SRS and a mobile terminal, aiming at solving the problem of low flexibility of SRS sending in the prior art.

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

in a first aspect, an embodiment of the present invention provides a method for sending an SRS, where the method includes:

acquiring the moving speed of the mobile terminal;

and transmitting the SRS by adopting an SRS transmission mode corresponding to the moving speed.

In a second aspect, an embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes:

the acquisition module is used for acquiring the moving speed of the mobile terminal;

and a sending module, configured to send the SRS in an SRS sending manner corresponding to the moving speed.

In a third aspect, an embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes a processor, a memory, and a computer program stored in the memory and being executable on the processor, and the computer program, when executed by the processor, implements the steps of the SRS transmission method described above.

In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when being executed by a processor, the computer program implements the steps of the SRS transmission method as described above.

In the embodiment of the invention, the mobile terminal transmits the SRS by adopting the SRS transmission mode corresponding to the self moving speed. That is to say, in the embodiment of the present invention, the mobile terminal may determine the SRS transmission mode according to the moving speed of the mobile terminal, so that the flexibility of SRS transmission may be improved.

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 schematic diagram of a radio frequency architecture provided by an embodiment of the present invention;

fig. 2a is one of transmission diagrams of 2T4R according to an embodiment of the present invention;

fig. 2b is a second schematic diagram of 2T4R according to the embodiment of the present invention;

fig. 2c is one of the transmission diagrams of 1T4R according to the embodiment of the present invention;

fig. 2d is a second schematic diagram of the transmission of 1T4R according to the embodiment of the present invention;

fig. 3 is one of flowcharts of a SRS transmission method according to an embodiment of the present invention;

fig. 4 is a second flowchart of a SRS transmission method according to an embodiment of the present invention;

FIG. 5 is a schematic diagram illustrating the determination of a first threshold provided by an embodiment of the present invention;

fig. 6 is one of the structural diagrams of a mobile terminal according to an embodiment of the present invention;

fig. 7 is a second structural diagram of a mobile terminal according to an embodiment of the present invention.

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, 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 terms "first," "second," and the like in this application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Further, as used herein, "and/or" means at least one of the connected objects, e.g., a and/or B and/or C, means 7 cases including a alone, B alone, C alone, and both a and B present, B and C present, both a and C present, and A, B and C present.

The SRS sending method provided by the embodiment of the invention can be applied to a mobile terminal provided with N antenna ports, wherein N is an integer larger than 1. In practical applications, the Mobile terminal may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), or a vehicle-mounted Device, and it should be noted that a specific type of the Mobile terminal is not limited in the embodiments of the present invention.

For convenience of understanding, some contents related to the embodiments of the present invention are explained below:

firstly, a beam forming technology.

The beamforming technology can be divided into the following according to the feedback mode of the channel information: codebook based beamforming techniques and channel reciprocity based beamforming techniques. Based on the beam forming technology of the codebook, according to the codebook information fed back by the mobile terminal, the network side equipment (such as a base station) determines the precoding codebook used for the next transmission. The beamforming technology based on channel reciprocity obtains downlink channel information by using channel reciprocity according to a Sounding Reference Signal (SRS) sent in an uplink, and performs precoding matrix calculation and selection required in a downlink. It can be seen that the beamforming scheme based on channel reciprocity does not require the mobile terminal to perform special Precoding Matrix Indicator (PMI) feedback, and is more suitable for a Time Division multiplexing (TDD) system.

And secondly, radio frequency architecture of the mobile terminal.

As shown in fig. 1, the radio frequency structure of the mobile terminal mainly includes the following functional modules: a baseband processor, a sensor module, a 5G modem, a 5G radio frequency transceiver, a 5G Power Amplifier (PA), a 5G Low Noise Amplifier (LNA), a 4 Pole (Pole, P)4 Throw (thread, T) switch, and an Antenna Port (Antenna Port).

The functions of the functional blocks are explained below.

The baseband processor is mainly responsible for processing communication data and controlling the working state of the devices of the radio frequency channel according to the interaction information with the network, such as: judging the NR SRS polling scheme, acquiring the moving speed information of the mobile terminal and the like, and determining that the mobile terminal selects a corresponding polling scheme according to the speed;

the sensor module may include an accelerometer, a gyroscope, a magnetometer, and the like, and is configured to acquire moving speed information of the mobile terminal.

The 5G modem is used for modulating and demodulating the 5G signal, adjusting a mobile terminal forwarding mechanism according to the judgment of the baseband processor on the moving speed of the mobile terminal and controlling the working state of the 4P 4T;

and the 5G radio frequency transceiver is used for carrying out up-down frequency conversion and driving amplification on the 5G signal and transmitting the SRS.

And the 5G PA is used for amplifying the power of the 5G radio frequency signal, and the index performance of the 5G PA can meet the radio frequency index requirement of 5G.

And the 5G LNA amplifies signals received by the mobile terminal so as to be processed by a subsequent chip.

4P4T, for the mobile terminal to Transmit 1 (Transmit, T)4 Receive (Receive, R) and Transmit 2T4R round, and for 4 × 4 Multiple-Input Multiple-Output (MIMO).

The radio frequency architecture further comprises a power supply system for supplying power to each module in the mobile terminal.

In fig. 1, a PA Module (PAMiD) including a duplexer may be integrated with a PA, a filter, an antenna switch, and the like. Primary set reception (PRx), diversity reception (DRx). It should be noted that the radio frequency architecture shown in fig. 1 is only an example, and does not limit the specific structure of the radio frequency architecture.

Three, 1T4R, and 2T 4R.

The hair rotation speed is as follows:

2T4R includes two transmit (Tx) signals, as shown in fig. 2a and 2b, the mobile terminal may control one Tx signal to be transmitted at antenna ports (ANT)0 and ANT2 and the other Tx signal to be transmitted at ANT1 and ANT 3.

2T4R, 1 SRS resource set, where the set includes 2 SRS resources, each SRS resource corresponds to 2 different antenna ports, and 1 Slot (Slot) can complete 2T4R transmission.

The 1T4R includes one Tx signal, which may be switched to ANT0, ANT1, ANT2, ANT3 through 4P4T to be transmitted as shown in fig. 2c and 2 d.

1T4R, 2 SRS resource sets. In one implementation, each of the 2 SRS resource sets includes 2 SRS resources; in another implementation, one SRS resource set of the 2 SRS resource sets includes 1 SRS resource, and the other SRS resource set includes 3 SRS resources. Since 1 Slot only contains 6 symbols and at most supports 3 SRS resource transmissions, at least 2 slots are needed to complete the transmission of 1T 4R.

Combining the above analysis and fig. 2a and 2b, it can be seen that 2T4R is twice as fast as 1T4R when transmitting the same SRS resource.

In fig. 2a and 2b, a Physical Downlink Control Channel (PDCCH), a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PUCCH), and α represents a phase.

Power generation and consumption in a wheel:

2T 4R: the two PAs transmit radio frequency signals simultaneously.

1T 4R: one path of PA transmits radio frequency signals, and the other path of PA does not work.

From the above analysis, 2T4R consumes more power per unit time than 1T 4R.

In the beamforming scheme based on channel reciprocity, the downlink channel information may also change with the change of the relative position between the mobile terminal and the network side device. In a high-speed scenario, the mobile terminal needs to quickly transmit the SRS to obtain better beamforming, and at this time, a round-robin transmission scheme needs to be performed by using 2T 4R. However, when the mobile terminal is in a low-speed scenario, 1T4R can satisfy a good beamforming effect. If the mobile terminal still transmits the SRS at 2T4R in a low-speed scene, unnecessary resource waste will be caused.

Therefore, in the embodiment of the present invention, the mobile terminal determines the SRS transmission scheme according to the current moving speed, and performs the SRS transmission scheme using 2T4R in a high-speed scenario and performs the SRS transmission scheme using 1T4R in a low-speed scenario. The round sending scheme is reasonably switched according to the moving speed of the mobile terminal, and the purpose of saving the power consumption of the mobile terminal can be achieved.

The SRS transmission method according to the embodiment of the present invention is explained below.

Referring to fig. 3, fig. 3 is a flowchart of a SRS transmission method according to an embodiment of the present invention. As shown in fig. 3, the SRS transmission method may include the steps of:

step 301, obtaining the moving speed of the mobile terminal.

As can be seen from the foregoing, the mobile terminal may obtain its own moving speed based on its integrated sensor module, such as an accelerometer, a gyroscope, a magnetometer, and the like, but is not limited thereto. It should be understood that the embodiment of the present invention does not limit the way in which the mobile terminal obtains the moving speed.

Step 302, transmitting the SRS in the SRS transmission method corresponding to the moving speed.

In the embodiment of the present invention, the mobile terminal may preset a correspondence between the moving speed and the SRS transmission mode. In this way, after acquiring the moving speed of the mobile terminal, the mobile terminal may determine the SRS transmission method corresponding to the moving speed according to the correspondence, and transmit the SRS by using the SRS transmission method.

In the SRS transmission method according to this embodiment, the mobile terminal transmits the SRS in the SRS transmission method corresponding to the own moving speed. That is to say, in the embodiment of the present invention, the mobile terminal may determine the SRS transmission mode according to the moving speed of the mobile terminal, so that the flexibility of SRS transmission may be improved.

As can be seen from the foregoing, when the moving speeds of the mobile terminals are different, the SRS transmission speeds required by the mobile terminals to satisfy the beamforming requirement are different. Specifically, the sending speed of the SRS required by the mobile terminal to meet the beamforming requirement is positively correlated with the moving speed of the mobile terminal. That is, when the moving speed of the mobile terminal is fast, the speed of sending the SRS, which is required by the mobile terminal to meet the beamforming requirement, is high; when the moving speed of the mobile terminal is slow, the speed of sending the SRS, which is required by the mobile terminal to meet the beamforming requirement, is low. Therefore, in the embodiment of the present invention, in order to obtain a good beamforming effect, when the SRS is transmitted by using the SRS transmission method corresponding to the moving speed, the SRS transmission speed at least can satisfy the requirement of the mobile terminal for beamforming at the moving speed.

Referring to fig. 4, fig. 4 is a second flowchart of a SRS transmission method according to an embodiment of the present invention, and the main difference between the present embodiment and the foregoing embodiment is that the SRS transmission method using the SRS transmission method corresponding to the moving speed is further limited, and specifically: under the condition that the moving speed is greater than a first threshold value, sending an SRS by adopting a first SRS sending mode; and transmitting the SRS by adopting a second SRS transmission mode when the moving speed is less than or equal to the first threshold value.

As shown in fig. 4, the SRS transmission method may include the steps of:

step 401, obtaining the moving speed of the mobile terminal.

And 402, transmitting the SRS by adopting a first SRS transmission mode under the condition that the moving speed is larger than a first threshold value.

It should be understood that, when the SRS is transmitted by using the first SRS transmission method under the condition that the moving speed is greater than the first threshold, the SRS transmission speed may satisfy the requirement of beamforming by the mobile terminal at the moving speed.

Step 403, in a case where the moving speed is less than or equal to the first threshold, transmitting an SRS in a second SRS transmission scheme.

It should be understood that, when the SRS is transmitted by using the second SRS transmission mode under the condition that the moving speed is less than or equal to the first threshold, the SRS transmission speed may satisfy the requirement of beamforming by the mobile terminal at the moving speed.

Wherein the number of PA paths on which the mobile terminal operates when the SRS is transmitted by the first SRS transmission method is greater than the number of PA paths on which the mobile terminal operates when the SRS is transmitted by the second SRS transmission method.

As can be seen from the foregoing, the PA is used for power amplifying a radio frequency signal, and therefore it is understood that the PA path may be understood as a radio frequency signal transmission path, and there are more PA paths in operation, which means that there are more radio frequency signal transmission paths, and thus the transmission speed of the radio frequency signal is higher, but the power consumption is also higher.

In this embodiment, since the number of PA paths in which the mobile terminal operates when transmitting SRS using the first SRS transmission method is greater than the number of PA paths in which the mobile terminal operates when transmitting SRS using the second SRS transmission method, the transmission rate of SRS when the moving rate is greater than the first threshold value is greater than the transmission rate of SRS when the moving rate is less than or equal to the first threshold value.

As can be seen, in this embodiment, the sending speed of the SRS of the mobile terminal is positively correlated with the moving speed of the mobile terminal, and the sending speed of the SRS can meet the requirement of beamforming of the mobile terminal at the moving speed. Therefore, the beam forming requirements can be met, and the beam forming effect can be obtained to the greatest extent. The power consumption of the mobile terminal is reduced.

In this embodiment, optionally, the threshold for comparing with the moving speed of the mobile terminal may be determined according to the current reception quality of the mobile terminal. That is, the mobile terminal may adjust the threshold value for comparison with the moving speed of the mobile terminal according to the current quality of the mobile terminal. Thus, the SRS transmission mode determined according to the moving speed of the mobile terminal can better meet the requirement of SRS transmission.

Optionally, before the SRS is transmitted in the SRS transmission mode corresponding to the moving speed, the method further includes:

and determining the first threshold according to the transceiving quality of the mobile terminal.

Specifically, the first threshold is determined according to the current transceiving quality of the mobile terminal.

In one implementation manner, optionally, the determining the first threshold according to the current transceiving quality of the mobile terminal includes:

determining a moving speed threshold corresponding to a first transmission/reception quality level as the first threshold before transmitting the SRS in the SRS transmission method corresponding to the moving speed;

wherein the moving speed threshold is positively correlated with the first transceiving quality level, that is, the higher the first transceiving quality level is, the higher the moving speed threshold is; the first transceiving quality grade is a transceiving quality grade matched with the transceiving quality of the mobile terminal.

The mobile terminal may be preset with a correspondence between the transmission/reception quality level and the moving speed threshold. The correspondence may include two or more transmission/reception quality levels, each transmission/reception quality level corresponds to a moving speed threshold, and each transmission/reception quality level corresponds to a transmission/reception quality range.

Further, the moving speed threshold in the above correspondence is positively correlated with the transmission/reception quality level. That is, the higher the transmission/reception quality level, the higher the corresponding moving speed threshold.

In a specific implementation, after obtaining the current transceiving quality, the mobile terminal may determine the transceiving quality level corresponding to the transceiving quality range in which the mobile terminal falls (i.e., matches), and determine the moving speed threshold corresponding to the transceiving quality as the first threshold.

For example, the mobile terminal may preset 3 transceiving quality levels, where the transceiving quality level is a low level (poor transceiving quality), the transceiving quality level is a medium level (general transceiving quality), and the transceiving quality is a high level (good transceiving quality). The low level corresponds to a moving speed threshold A, the medium level corresponds to a moving speed threshold B, the high level corresponds to a moving speed threshold C, the moving speed threshold A is more than the moving speed threshold B and more than the moving speed threshold C, for example, the moving speed threshold A is 10 kilometers per hour (km/h), the moving speed threshold B is 60km/h, and the moving speed threshold C is 200 km/h.

As shown in fig. 5, a moving speed threshold corresponding to a first transmission/reception quality level is determined as the first threshold.

The first threshold value may be updated to the moving speed threshold value a if it is determined that the first transmission/reception quality level is low. And under the condition of poor transceiving quality, the moving speed of the mobile terminal is greater than a moving speed threshold A, the SRS is transmitted by adopting a first SRS transmission mode, the moving speed of the mobile terminal is less than or equal to the moving speed threshold A, and the SRS is transmitted by adopting a second SRS transmission mode.

If the first transmission/reception quality level is determined to be medium, the first threshold value may be updated to the moving speed threshold value B. When the transmission/reception quality is general, the mobile terminal moves faster than a moving speed threshold B, transmits the SRS in the first SRS transmission method, moves faster than or equal to the moving speed threshold B, and transmits the SRS in the second SRS transmission method.

If it is determined that the first transceiving quality level is high, the first threshold value may be updated to the moving speed threshold value C. And under the condition of good transceiving quality, the moving speed of the mobile terminal is greater than a moving speed threshold value C, the SRS is transmitted by adopting a first SRS transmission mode, the moving speed of the mobile terminal is less than or equal to the moving speed threshold value C, and the SRS is transmitted by adopting a second SRS transmission mode.

In other implementation manners, the mobile terminal may directly preset a corresponding relationship between the transceiving quality range and the moving speed threshold, so that after obtaining the current transceiving quality, the mobile terminal may directly determine the moving speed threshold corresponding to the transceiving quality range in which the mobile terminal falls as the first threshold, thereby increasing the speed determined by the first threshold.

Optionally, the transceiving quality may be characterized based on any one of the following items: the mobile terminal receiving signal intensity, the mobile terminal throughput, the mobile terminal time delay, the base station saturation and the mobile terminal packet loss rate.

In the specific implementation, the received signal strength of the mobile terminal is positively correlated with the transceiving quality, that is, the higher the received signal strength of the mobile terminal is, the better the transceiving quality is. The throughput of the mobile terminal is positively correlated with the transceiving quality, that is, the greater the throughput of the mobile terminal, the better the transceiving quality.

The mobile terminal delay is inversely related to the transceiving quality, i.e. the smaller the mobile terminal delay, the better the transceiving quality. The base station saturation is inversely related to the transceiving quality, that is, the smaller the base station saturation is, the better the transceiving quality is. The packet loss rate of the mobile terminal is inversely related to the transceiving quality, that is, the smaller the packet loss rate of the mobile terminal is, the better the transceiving quality is.

Optionally, when the mobile terminal includes 4 antenna ports, the first SRS transmission mode is a two-transmission four-reception SRS transmission mode 2T 4R; the second SRS transmission scheme is a one-transmission four-reception 1T4R SRS transmission scheme.

In this embodiment, when the moving speed is greater than the first threshold, a 2T4R scheme is activated, two PAs are controlled to work, and two antenna ports are used to transmit SRS; and when the moving speed is less than or equal to the first threshold, enabling a 1T4R scheme, controlling only one PA to work, and sending the SRS by using one antenna port. Therefore, the beam forming requirement can be met, a good beam forming effect can be obtained, and when the moving speed is less than or equal to the first threshold, only one path of PA works and the other path of PA does not work, so that the power consumption of the mobile terminal can be reduced.

It should be noted that, when the mobile terminal supports M SRS transmission modes, where M is an integer greater than 2, the mobile terminal may compare the moving speed of the mobile terminal with M-1 threshold values, and preset a corresponding relationship between each possible comparison result and the SRS transmission mode, so that the SRS transmission mode may be determined according to an actual comparison result.

Optionally, in the above correspondence, the SRS transmission speed of the SRS transmission mode corresponding to the comparison result may be smaller on the premise of meeting the beamforming requirement, so that the beamforming requirement may be met, and the power consumption of the mobile terminal may be reduced to the greatest extent.

For example, it is assumed that the mobile terminal has 8 antenna ports and supports 3 SRS transmission schemes, that is, an SRS transmission scheme of 1T8R, an SRS transmission scheme of 2T8R, and an SRS transmission scheme of 4T 8R. The mobile terminal may preset a threshold 1 and a threshold 2, where the threshold 1 is smaller than the threshold 2, and preset the SRS transmission mode of 1T8R corresponding to the comparison result 1, the SRS transmission mode of 2T8R corresponding to the comparison result 2, and the SRS transmission mode of 4T8R corresponding to the comparison result 3, where the comparison result 1 is: the moving speed of the mobile terminal is less than or equal to a threshold value 1; the comparison result 2 is: the moving speed of the mobile terminal is greater than a threshold value 1 and less than or equal to a threshold value 2; the comparison result is: the moving speed of the mobile terminal is greater than the threshold 2.

Therefore, the beam forming requirement can be met, a good beam forming effect can be obtained, and the working quantity of the PA is controlled to be smaller under the condition that the moving speed is smaller, so that the power consumption of the mobile terminal can be reduced.

It should be noted that, in the embodiments of the present invention, various optional implementations may be implemented in combination with each other or separately without conflict, and the embodiments of the present invention are not limited to this.

Referring to fig. 6, fig. 6 is a block diagram of a mobile terminal according to an embodiment of the present invention. As shown in fig. 6, the mobile terminal 600 includes:

an obtaining module 601, configured to obtain a moving speed of the mobile terminal;

a sending module 602, configured to send an SRS in an SRS sending manner corresponding to the moving speed.

Optionally, the sending module 602 includes:

a first transmitting unit, configured to transmit an SRS in a first SRS transmission scheme when the moving speed is greater than a first threshold;

a second transmitting unit configured to transmit an SRS in a second SRS transmission scheme when the moving speed is less than or equal to the first threshold;

Optionally, the mobile terminal 600 further includes:

and a determining module, configured to determine the first threshold according to the transceiving quality of the mobile terminal before sending the SRS in the SRS sending manner corresponding to the moving speed.

Optionally, the determining module is specifically configured to:

the moving speed threshold is positively correlated with the first transceiving quality grade, and the first transceiving quality grade is a transceiving quality grade matched with the transceiving quality of the mobile terminal.

Optionally, the transceiving quality is characterized by being based on any one of the following characteristics: the mobile terminal receiving signal intensity, the mobile terminal throughput, the mobile terminal time delay, the base station saturation and the mobile terminal packet loss rate.

The mobile terminal 600 can implement each process in the method embodiment of the present invention and achieve the same beneficial effects, and is not described herein again to avoid repetition.

Referring to fig. 7, fig. 7 is a second structural diagram of a mobile terminal according to a second embodiment of the present invention, where the mobile terminal may be a hardware structural diagram of a mobile terminal for implementing various embodiments of the present invention. As shown in fig. 7, the mobile terminal 700 includes, but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, a power supply 711, and the like. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 7 is not intended to be limiting of mobile terminals, and that a mobile terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted mobile terminal, a wearable device, a pedometer, and the like.

The processor 710 is configured to obtain a moving speed of the mobile terminal; a radio frequency unit 701, configured to transmit an SRS in an SRS transmission mode corresponding to the moving speed.

Optionally, the radio frequency unit 701 is further configured to:

under the condition that the moving speed is greater than a first threshold value, sending an SRS by adopting a first SRS sending mode;

when the moving speed is less than or equal to the first threshold value, sending an SRS by adopting a second SRS sending mode;

Optionally, the processor 710 is further configured to:

determining a moving speed threshold corresponding to a first transceiving quality level as the first threshold;

Optionally, the transceiving quality is characterized based on any one of the following items: the mobile terminal receiving signal intensity, the mobile terminal throughput, the mobile terminal time delay, the base station saturation and the mobile terminal packet loss rate.

It should be noted that, in this embodiment, the mobile terminal 700 may implement each process in the method embodiment of the present invention and achieve the same beneficial effects, and for avoiding repetition, details are not described here.

It should be understood that, in the embodiment of the present invention, the radio frequency unit 701 may be used for receiving and sending signals during a message transmission and reception process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 710; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 701 may also communicate with a network and other devices through a wireless communication system.

The mobile terminal provides the user with wireless broadband internet access via the network module 702, such as helping the user send and receive e-mails, browse web pages, and access streaming media.

The audio output unit 703 may convert audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as sound. Also, the audio output unit 703 may also provide audio output related to a specific function performed by the mobile terminal 700 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.

The input unit 704 is used to receive audio or video signals. The input Unit 704 may include a Graphics Processing Unit (GPU) 7041 and a microphone 7042, and the Graphics processor 7041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 706. The image frames processed by the graphic processor 7041 may be stored in the memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702. The microphone 7042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 701 in case of a phone call mode.

The mobile terminal 700 also includes at least one sensor 705, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 7061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 7061 and/or a backlight when the mobile terminal 700 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the mobile terminal (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 705 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.

The display unit 706 is used to display information input by the user or information provided to the user. The Display unit 706 may include a Display panel 7061, and the Display panel 7061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 707 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 7071 (e.g., operations by a user on or near the touch panel 7071 using a finger, a stylus, or any other suitable object or attachment). The touch panel 7071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 710, receives a command from the processor 710, and executes the command. In addition, the touch panel 7071 can be implemented by various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 707 may include other input devices 7072 in addition to the touch panel 7071. In particular, the other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.

Further, the touch panel 7071 may be overlaid on the display panel 7061, and when the touch panel 7071 detects a touch operation on or near the touch panel 7071, the touch operation is transmitted to the processor 710 to determine the type of the touch event, and then the processor 710 provides a corresponding visual output on the display panel 7061 according to the type of the touch event. Although the touch panel 7071 and the display panel 7061 are shown in fig. 7 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated to implement the input and output functions of the mobile terminal, which is not limited herein.

The interface unit 708 is an interface through which an external device is connected to the mobile terminal 700. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 708 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 700 or may be used to transmit data between the mobile terminal 700 and external devices.

The memory 709 may be used to store software programs as well as various data. The memory 709 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 709 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 710 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 709 and calling data stored in the memory 709, thereby integrally monitoring the mobile terminal. Processor 710 may include one or more processing units; preferably, the processor 710 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 710.

The mobile terminal 700 may also include a power supply 711 (e.g., a battery) for powering the various components, and the power supply 711 may be logically coupled to the processor 710 via a power management system that may enable managing charging, discharging, and power consumption by the power management system.

In addition, the mobile terminal 700 includes some functional modules that are not shown, and thus will not be described in detail herein.

Preferably, an embodiment of the present invention further provides a mobile terminal, which includes a processor 710, a memory 709, and a computer program stored in the memory 709 and capable of running on the processor 710, where the computer program, when executed by the processor 710, implements each process of the foregoing SRS transmission method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.

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 foregoing SRS transmission method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an 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 defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. 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 mobile 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 sending method of Sounding Reference Signal (SRS) is applied to a mobile terminal, and is characterized in that the method comprises the following steps:

acquiring the moving speed of the mobile terminal;

transmitting an SRS by adopting an SRS transmission mode corresponding to the moving speed;

the transmitting the SRS in the SRS transmission mode corresponding to the moving speed includes:

2. The method according to claim 1, wherein before the SRS is transmitted in the SRS transmission method corresponding to the moving velocity, the method further comprises:

3. The method according to claim 2, wherein said determining the first threshold according to the current transceiving quality of the mobile terminal comprises:

4. The method according to claim 2 or 3, wherein the transceiving quality is characterized based on any one of the following: the mobile terminal receiving signal intensity, the mobile terminal throughput, the mobile terminal time delay, the base station saturation and the mobile terminal packet loss rate.

5. The method according to claim 1, wherein when the mobile terminal includes 4 antenna ports, the first SRS transmission scheme is a two-transmission-four-reception 2T4R SRS transmission scheme; the second SRS transmission scheme is a one-transmission four-reception 1T4R SRS transmission scheme.

6. A mobile terminal, characterized in that the mobile terminal comprises:

a sending module, configured to send an SRS in an SRS sending manner corresponding to the moving speed;

the sending module comprises:

7. The mobile terminal of claim 6, wherein the mobile terminal further comprises:

8. The mobile terminal of claim 7, wherein the determining module is specifically configured to:

9. The mobile terminal according to claim 7 or 8, wherein the transceiving quality is characterized based on any one of the following: the mobile terminal receiving signal intensity, the mobile terminal throughput, the mobile terminal time delay, the base station saturation and the mobile terminal packet loss rate.

10. The mobile terminal of claim 6, wherein when the mobile terminal includes 4 antenna ports, the first SRS transmission scheme is a two-transmission four-reception 2T4R SRS transmission scheme; the second SRS transmission scheme is a one-transmission four-reception 1T4R SRS transmission scheme.

11. A mobile terminal, characterized in that it comprises a processor, a memory and a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps of the method for transmitting SRS according to any one of claims 1 to 5.

12. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, realizes the steps of the method of transmitting SRS according to any one of claims 1 to 5.