CN113316234B - SRS sending method and terminal device - Google Patents

Abstract

The embodiment of the invention discloses a sending method of an SRS and a terminal device, which are applied to the technical field of communication and can solve the problem that the power consumption of the terminal device is increased due to the new characteristic of a 5G network. The method comprises the following steps: if the terminal equipment meets a first preset condition, sending the SRS through the first sending power, or forbidding sending the SRS; the first transmission power is smaller than the target transmission power, and the target transmission power is the transmission power determined according to the power control instruction sent by the network device, or the target transmission power is the initial transmission power set by default by the terminal device.

Description

SRS sending method and terminal device

technical field

The embodiments of the present invention relate to the field of communication technologies, and in particular, to a method for sending an SRS and a terminal device.

Background technique

With the evolution of 5G network, independent networking (Standalone, SA) is gradually deployed, and the high-level features of 5G are gradually implemented, such as New Radio (New Radio, NR) carrier aggregation (Carrier aggregation, CA), uplink reference Signal rotation (SRS switching). Although these new features bring greater communication performance experience to terminal device users, they also increase the power consumption of the terminal device.

SUMMARY OF THE INVENTION

The embodiments of the present invention provide an SRS sending method and a terminal device, which can reduce the sending power to send the SRS or prohibit the sending of the SRS according to the conditions met by the terminal device, thereby reducing the power consumption of the terminal device.

In order to solve the above technical problems, the embodiments of the present invention are implemented as follows:

In a first aspect, a method for sending an SRS is provided, including:

If the terminal device satisfies the first preset condition, send the SRS by using the first sending power, or prohibit sending the SRS;

Wherein, the first transmit power is lower than the target transmit power, and the target transmit power is the transmit power determined according to the power control instruction sent by the network device, or the target transmit power is the initial default setting of the terminal device. transmit power.

In a second aspect, a terminal device is provided, comprising: a processing module, configured to send an SRS by using a first transmission power, or forbid sending the SRS, if the terminal device satisfies a first preset condition;

Wherein, the first transmit power is lower than the target transmit power, and the target transmit power is the transmit power determined according to the power control instruction sent by the network device, or the target transmit power is the initial default setting of the terminal device. transmit power.

In a third aspect, a terminal device is provided, including: a processor, a memory, and a computer program stored in the memory and running on the processor, the computer program being executed by the processor to implement the SRS sending method of the first aspect.

In a fourth aspect, a computer-readable storage medium is provided, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method for sending an SRS according to the first aspect is implemented.

An embodiment of the present invention provides a method for sending an SRS. If the terminal device satisfies a first preset condition, the terminal device transmits the SRS with a first transmission power, or prohibits the transmission of the SRS; wherein the first transmission power is smaller than a target Transmission power, where the target transmission power is the transmission power determined according to the power control instruction sent by the network device, or the target transmission power is the initial transmission power set by default of the terminal device. In this way, in some scenarios where the terminal device satisfies the first preset condition, the power of sending SRS can be reduced, or the sending of SRS can be prohibited. In these scenarios, the quality of the SRS signal received by the network device can be degraded, and the network device will consider it The quality of the uplink channel decreases, so the network equipment will reduce the downlink scheduling due to the deterioration of the downlink channel quality, and then the terminal equipment can reduce the downlink scheduling intensity by suppressing the SRS transmission power, so as to achieve the goal of reducing power consumption.

Description of drawings

FIG. 1 is a schematic diagram of carrier aggregation according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of several ways of uplink transmission by a terminal device according to an embodiment of the present invention;

3 is a system architecture diagram of a communication system provided by an embodiment of the present invention;

4 is a schematic diagram of a method for sending an SRS according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a hardware structure of a terminal device according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that, in the embodiments of the present invention, words such as "exemplary" or "for example" are used to represent examples, illustrations, or descriptions. Any embodiments or designs described as "exemplary" or "such as" in the embodiments of the present invention should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present the related concepts in a specific manner.

First, the related technical contents of the embodiments of the present invention are introduced:

With the evolution of 5G network, independent networking (Standalone, SA) is gradually deployed, and the high-level features of 5G are gradually implemented, such as New Radio (New Radio, NR) carrier aggregation (Carrier aggregation, CA), uplink reference Signal rotation (SRS switching). Although these new features bring greater communication performance experience to terminal device users, they also increase the power consumption of the terminal device.

CA scenario:

CA is to aggregate two or more carriers (Component Carrier, CC) together to support a larger transmission bandwidth (maximum 100MHz). The bandwidth of each carrier unit can be 5MHZ, 10MHZ, 15MHZ and 20MHZ, etc. The application of CA technology enables terminal equipment to use multiple carriers for data transmission at the same time, and the data transmission rate can be greatly increased, but at the same time, the power consumption will also be greatly increased.

Exemplarily, as shown in Table 1, taking the terminal using one carrier (Component Carrier, CC) and two carriers as an example to compare, it can be seen that when the transmission rate is doubled, the power consumption is also increased by about 50%. .

Table 1

Number of CCs Carrier configuration carrier identification Current (mA) 1CC n78 100M 1.5Gbps 630000 238.8 2CC n78 100M+100M 3Gbps 630000, 636666 353.9

Exemplarily, as shown in FIG. 1 , it is a schematic diagram of carrier aggregation in which five 20MHz carriers are aggregated together to realize a transmission bandwidth of 100MHz.

SRS switching scene:

The base station can evaluate the uplink channel model by receiving the signal strength of different ports, and learn the channel loss of the uplink channel (which may include delay, power, frequency offset, etc.) , has the channel reciprocity characteristic, so the downlink channel model can be estimated according to the uplink channel model, so as to decide the resource parameters of the downlink scheduling. For example: phase modulation (Phase Modulation, PM), modulation and coding scheme (Modulation and Coding Scheme, MCS), transmission layers (layers) and so on.

The base station generally uses 4 antennas for transmission, and there will be 4 logical transmission paths in the space, while the mobile phone generally transmits with a single antenna or dual antennas in the uplink. In order for the mobile phone to use one or two transmission signals to detect the four downlink paths, it is necessary to use the SRS rotation. Simply put, the mobile phone has 4 antennas, all 4 can be used for reception, but only one or two antennas are supported for transmission at the same time, then the mobile phone sends the SRS signal on all 4 antennas in turn, Although it is still single-antenna or dual-antenna transmission at the same time, in fact, all antennas have transmitted signals. After the base station receives and analyzes, the transmission path represented by the antenna is also detected.

As shown in Figure 2, (a) NSA-1T1R in Figure 2 (that is, supporting one transmission and one reception) represents that in the Non-Standalone (NSA) mode, the 5G SRS signal of the mobile phone is only in one The antenna is sent to the base station without rotation (that is, the power amplifier is connected to one of the antennas for transmission), so that only one antenna-related path can be accurately detected, and the transmission paths represented by other antennas are not clear. The effect of sending data from the base station will be worse.

(b) SA-1T4R in Figure 2 (that is, supports one transmission and four receptions), which means that in the Standalone (SA) mode, if the mobile phone only supports single uplink transmission, it can be selected on 4 antennas at the same time One to transmit SRS in turn (that is, the power amplifier is connected to each of the antennas in turn for transmission), so that the path conditions represented by all antennas can be detected. In NSA mode, the mobile phone can also support 1T4R for 4-antenna transmission (Note: R here refers to round-turn, not the meaning of receive).

(c) SA-2T4R in Figure 2 (that is, supports 2 transmissions and 4 receptions), which means that in SA mode, if the mobile phone supports dual uplink transmission, two of the 4 antennas can be selected to send SRS in turn at the same time (ie There are two power amplifiers that choose to connect to two antennas in turn for transmission), where R here refers to round-turn, not the meaning of receive, the result of channel estimation is more accurate, and the detection effect is better.

Through SRS switching, the download rate of 5G is higher. At the same time, in 5G SA mode, it can support uplink 2x2 MIMO (also called SA dual transmission), and the upload rate can also be doubled.

In 5G networks, new features such as carrier aggregation (CA) and uplink reference signal switching (SRSswitching) bring greater communication performance experience to terminal equipment users, but also increase the power consumption of terminal equipment. .

In order to solve the above problem, an embodiment of the present invention provides a method for sending an SRS. If the terminal device satisfies a first preset condition, the terminal device sends the SRS by using the first sending power, or prohibits the sending of the SRS; wherein the first The transmit power is less than the target transmit power, where the target transmit power is the transmit power determined according to the power control instruction sent by the network device, or the target transmit power is the default initial transmit power of the terminal device. In this way, in some scenarios where the terminal device satisfies the first preset condition, the power of sending SRS can be reduced, or the sending of SRS can be prohibited. In these scenarios, the quality of the SRS signal received by the network device can be degraded, and the network device will consider it The quality of the uplink channel decreases, so the network equipment will reduce the downlink scheduling due to the deterioration of the downlink channel quality, and then the terminal equipment can reduce the downlink scheduling intensity by suppressing the SRS transmission power, so as to achieve the goal of reducing power consumption.

As shown in FIG. 3 , it is a system architecture diagram of a communication system to which an embodiment of the present invention is applied. The communication system may include a network device, and the network device may be a device that communicates with a terminal device (or referred to as a communication terminal, a terminal). A network device can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area. FIG. 3 exemplarily shows one network device and two terminal devices. Optionally, the communication system may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. This application implements The example does not limit this. Optionally, the communication system may further include other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.

In this embodiment of the present invention, terminal equipment may be referred to as user equipment (user equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal , wireless communication equipment, user agent or user equipment, etc.

The terminal device may be a station (STAION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal 40 Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, end devices in next-generation communication systems such as NR networks, or future Terminal equipment in an evolved Public Land Mobile Network (Public Land Mobile Network, PLMN) network, etc. In this embodiment of the present invention, the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites) superior).

In this embodiment of the present invention, the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal device , wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid, Wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.

As an example but not a limitation, in this embodiment of the present invention, the terminal device may also be a wearable device. Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes. A wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones. Use, such as all kinds of smart bracelets, smart jewelry, etc. for physical sign monitoring.

The network device involved in the embodiment of the present invention may be an access network device. The access network equipment may be a long-term evolution (LTE) system, a next-generation (mobile communication system) (next radio, NR) system, or an authorized auxiliary access long-term evolution (LAA- Evolved base station (evolutional node B, may be referred to as eNB or e-NodeB for short) in LTE) system macro base station, micro base station (also called "small base station"), pico base station, access point (access point, AP), A transmission point (transmission point, TP) or a new generation base station (new generation Node B, gNodeB), etc.

In this embodiment of the present invention, the network device may be a device for communicating with a mobile device, and the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA , it can also be a base station (NodeB, NB) in WCDMA, it can also be an evolved base station (EvolutionalNode B, eNB or eNodeB) in LTE, or a relay station or access point, or in-vehicle devices, wearable devices and NR networks The network equipment (gNB) in the future evolution of the PLMN network or the network equipment in the NTN network and so on. In this embodiment of the present invention, a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), a cell may belong to a macro base station, or it may belong to a base station corresponding to a small cell (Small cell). These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-speed data transmission services.

The technical solutions of the embodiments of the present invention can be applied to various communication systems, for example, a Global System of Mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (Wideband) system Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (Long Term Evolution, LTE) system, Advanced long term evolution (Advanced long term evolution, LTE-A) system, New Radio (New Radio, NR) system, evolution system of NR system, LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum, NR- U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi) , the fifth generation communication (5th-Generation, 5G) system or other communication systems.

In this embodiment of the present invention, the above-mentioned terminal equipment may be referred to as user equipment (user equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, Terminal, wireless communication device, user agent or user equipment, etc.

The terminal device may be a station (STAION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal 40 Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, end devices in next-generation communication systems such as NR networks, or future Terminal equipment in an evolved Public Land Mobile Network (Public Land Mobile Network, PLMN) network, etc. In this embodiment of the present invention, the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites) superior).

In this embodiment of the present invention, the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal device , wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid, Wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.

As an example but not a limitation, in this embodiment of the present invention, the terminal device may also be a wearable device. Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes. A wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones. Use, such as all kinds of smart bracelets, smart jewelry, etc. for physical sign monitoring.

The network device involved in the embodiment of the present invention may be an access network device. The access network equipment may be an evolved base station (evolutional node B, may be referred to as eNB or e-NodeB for short) in a long-term evolution (long-term evolution, LTE) system, macro base station, micro base station (also called "small base station") , a pico base station, an access point (access point, AP), a transmission point (transmission point, TP) or a new generation base station (new generation Node B, gNodeB). In this embodiment of the present invention, a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (for example, a frequency domain resource). The cell corresponding to the base station), the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell). cell), femto cell (Femto cell), etc. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-speed data transmission services.

It should be understood that the terms "system" and "network" are often used interchangeably herein. The term "and/or" in this article is only an association relationship to describe the associated objects, indicating that there can be three kinds of relationships, for example, A and/or B, it can mean that A exists alone, A and B exist at the same time, and A and B exist independently B these three cases. In addition, the character "/" in this document generally indicates that the related objects are an "or" relationship. It should be understood that the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship. For example, if A indicates B, it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation. In the description of the embodiments of the present invention, the term "corresponding" may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or may indicate and be instructed, configure and be instructed configuration, etc. Optionally, the indication information in this embodiment of the present invention includes physical layer signaling such as downlink control information (Downlink Control Information, DCI), radio resource control (Radio Resource Control, RRC) signaling, and a media access control unit (Media access control unit). At least one of Access Control Control Element, MAC CE). Optionally, the high-layer parameter or high-layer signaling in this embodiment of the present invention includes at least one of radio resource control (Radio Resource Control, RRC) signaling and media access control element (Media Access Control Control Element, MACCE).

As shown in FIG. 4 , an embodiment of the present invention provides a method for sending an SRS, and the method includes:

401. The terminal device determines that a first preset condition is satisfied.

402. The terminal device transmits the SRS by using the first transmit power or prohibits the transmission of the SRS.

The above prohibition of sending SRS can be understood as not sending SRS.

The first transmit power is less than the target transmit power, and the target transmit power is the transmit power determined according to the power control instruction sent by the network device, or the initial transmit power set by default of the terminal device.

Optionally, the target transmit power is the transmit power determined according to the power control instruction sent by the network device. It can be understood that the target transmit power may be the transmit power indicated by the power control instruction of the network device, or the target transmit power may be , the terminal device determines the transmit power according to the transmit power indicated by the power control instruction of the network device and considering other factors. For example, the transmission power may be determined in consideration of the transmission power range supported by the terminal device itself.

Optionally, the target transmit power may be the transmit power dedicated to transmitting the SRS, or the transmit power used to transmit other uplink signals.

Optionally, the initial transmit power may be the transmit power set by default when the terminal device leaves the factory.

Optionally, the initial transmit power may also be the transmit power when the terminal device sends an uplink signal to the network device for the first time.

Optionally, the initial transmit power may be the initial transmit power set by default after the terminal device updates the current transmit power.

Optionally, the above-mentioned target transmit power may be the transmit power of historically transmitted SRS.

Optionally, the above-mentioned target transmit power may be the transmit power of the SRS sent last time.

Optionally, the above-mentioned target transmit power may also be the transmit power used for transmitting the SRS (or other uplink signals) within a period of time before it is determined that the terminal device satisfies the first preset condition.

Wherein, the first preset condition includes at least one of the following:

(1) The remaining power is less than or equal to the first power;

The first power level may be a preset power level. When the remaining power level is less than or equal to the first power level, it may be considered that the terminal device is in a low-power usage scenario. At this time, the standby time of the terminal device may be short, which can be provided by the embodiments of the present invention. The SRS transmission method is used to transmit the SRS to reduce power consumption.

Exemplarily, that the remaining power is less than or equal to the first power may mean that the remaining power is less than or equal to 20% or 10% of the power of the terminal device.

(2) The power reduction amount is greater than or equal to the first reduction amount;

The first reduction amount may be a preset reduction amount, and when the power reduction amount is greater than or equal to the first reduction amount, it may be considered that the terminal device is in a usage scenario where the power consumption is relatively fast. At this time, the power consumption of the terminal device may be relatively large. The SRS is sent by using the SRS sending method provided by the embodiment of the present invention.

(3) The operating temperature is greater than or equal to the first temperature;

The above-mentioned operating temperature may be the surface temperature of the terminal device, or may be the content temperature of the terminal device (for example, it may be the temperature of the processor, or the temperature of the battery).

The first temperature may be a preset temperature, and the temperature may be set according to actual requirements, which is not limited in the embodiment of the present invention. When the operating temperature is greater than or equal to the first temperature, it can be considered that the power consumption of the terminal device is too large at this time, resulting in an excessively high internal operating temperature of the terminal device.

(4) The current use period is the preset sleep period;

The above-mentioned preset sleep time period is a time period in which the terminal equipment is used less frequently. During this period of time, it is considered that the terminal equipment has a lower requirement on the data transmission rate. At this time, the SRS transmission method provided by the embodiment of the present invention can be used. , to send the SRS.

(5) The current terminal use state is the standby state;

When the terminal device is in a standby state, the terminal device has a lower requirement on the data transmission rate, and at this time, the SRS sending method provided by the embodiment of the present invention can be used to send the SRS.

(6) No user input is received within the preset time period;

If the terminal device does not receive user input for a long time, it is considered that the terminal device is used less frequently, and the terminal device has a low requirement on the data transmission rate. In this case, the SRS transmission method provided by the embodiment of the present invention can be used to transmit the SRS .

(7) Access the carrier aggregation cell.

When a terminal device accesses a carrier aggregation cell, the terminal device simultaneously transmits data through two or more carriers. At this time, the power consumption of the terminal device is relatively large, and the SRS transmission method provided by the embodiment of the present invention can be used to perform SRS of sending.

In an embodiment of the present invention, a method for sending SRS is provided. If the terminal device satisfies the first preset condition, the SRS is sent by using the first transmission power, or the transmission of the SRS is prohibited; wherein, the first transmission power is smaller than the target transmission power, and the target transmission power It is the transmit power determined according to the power control instruction sent by the network device, or the target transmit power is the initial transmit power set by default of the terminal device. In this way, in some scenarios where the terminal device satisfies the first preset condition, the power of sending SRS can be reduced, or the sending of SRS can be prohibited. In these scenarios, the quality of the SRS signal received by the network device can be degraded, and the network device will consider it The quality of the uplink channel decreases, so the network equipment will reduce the downlink scheduling due to the deterioration of the downlink channel quality, and then the terminal equipment can reduce the downlink scheduling intensity by suppressing the SRS transmission power, so as to achieve the goal of reducing power consumption.

In an embodiment, if the terminal device satisfies the first preset condition, sending the SRS or prohibiting the sending of the SRS by using the first transmission power includes:

If the terminal device satisfies the first preset condition, it sends the SRS with the first transmission power or prohibits the sending of the SRS within the target duration.

The foregoing target duration may be set according to actual requirements, which is not limited in the embodiment of the present invention.

Further optionally, after the target duration, the SRS may continue to be sent by using the above target transmission power.

Further optionally, after the target duration, it can be detected again whether the terminal device satisfies the first preset condition, and if the terminal device does not meet the first preset condition, the SRS can be sent by using the above-mentioned target transmission power; if the terminal device still does not meet the first preset condition If the first preset condition is satisfied, the SRS is sent by the first transmission power or the SRS is prohibited from being sent.

In this embodiment, by setting a certain waiting period (that is, the target period), the SRS is sent with the first transmission power or the SRS is prohibited from being transmitted within the waiting period. After the waiting period, the normal power can be restored for transmission, and the target The power consumption is saved within the duration, and after the target duration, the transmission continues to be sent at a higher transmission power to ensure the transmission quality.

In another embodiment, the terminal device detects whether the terminal device satisfies the first condition, and if the terminal device satisfies the first condition, transmits the SRS with the first transmission power or prohibits the transmission of the SRS, and the terminal device satisfies the second preset condition When , the terminal device can send the SRS or resume sending the SRS with the second sending power, and the second sending power is greater than the first sending power;

The second preset condition is a scene that satisfies at least one of the following conditions;

(A) the remaining power is greater than the second power;

When the remaining power is greater than the second power, it can be considered that the terminal device is in a high-power usage scenario. At this time, the standby time of the terminal device may be long, and there is no need to suppress the SRS transmission to reduce the downlink scheduling intensity, and a higher transmission power can be used to send the SRS Or resume sending SRS.

(B) the power reduction amount is less than the second reduction amount;

When the power reduction amount is less than the first reduction amount, it can be considered that the terminal device is in a usage scenario with slow power consumption and low power consumption. At this time, it is not necessary to suppress the SRS transmission to reduce the downlink scheduling intensity, and a higher transmission power can be used to send the SRS Or resume sending SRS.

(C) the operating temperature is less than the second temperature;

When the operating temperature is lower than the second temperature, it can be considered that the power consumption of the terminal device is low at this time, and the internal operating temperature of the terminal device is low. At this time, it is not necessary to suppress the SRS transmission to reduce the downlink scheduling intensity, and a higher transmission power can be used to send the SRS or Resume sending SRS.

(D) The current use period is the working time period;

The above working time period is the time period when the terminal equipment is used more frequently. During this time period, it is considered that the terminal equipment has high requirements for the data transmission rate. At this time, it is not necessary to suppress the SRS transmission to reduce the downlink scheduling intensity, and a higher frequency can be used. send the SRS or resume sending the SRS.

(E) the current terminal use state is the use state;

When the terminal device is in a use state, the terminal device has a higher requirement on the data transmission rate, and at this time, a higher transmission power can be used to send the SRS or to resume sending the SRS.

(F) receiving user input multiple times within a preset time period;

If the terminal device receives user input multiple times within the preset time period, it is considered that the terminal device is used more frequently, and the terminal device has higher requirements for the data transmission rate. send the SRS or resume sending the SRS.

(G) Access to a non-CA cell.

When a terminal device accesses a non-carrier aggregation cell, the terminal device usually transmits data through one carrier. At this time, the power consumption of the terminal device is small. At this time, it is not necessary to suppress the SRS transmission to reduce the downlink scheduling intensity, and a higher transmission power can be used for transmission. SRS or resume sending SRS.

In another embodiment, it is detected whether the terminal equipment satisfies the first preset condition; if the terminal equipment satisfies the first preset condition, the SRS is sent by using the first transmission power, and continuously detects whether the terminal equipment satisfies the first preset condition within the first time period. A preset condition; if the terminal device continuously satisfies the first preset condition within the first time period, it is forbidden to send the SRS.

In this embodiment, by setting a certain waiting period (ie, the first period), the SRS is sent with the first transmission power or the SRS is prohibited from being transmitted within the waiting period. If the conditions are set, it is considered that the terminal device still requires less power consumption at present, or the requirement for the data transmission rate is not high, then the sending of the SRS can be further stopped. Therefore, SRS transmission can be suppressed to different degrees through continuous detection of terminal equipment scenarios, thereby reducing downlink scheduling intensity.

In another embodiment, detecting whether the terminal device satisfies the first preset condition includes: if the SRS configuration information sent by the network device is received, detecting whether the terminal device satisfies the first preset condition; if the terminal device satisfies the first preset condition If the condition is set, the SRS is sent through the first transmission power, and the terminal device continuously detects whether the first preset condition is met within the first time period; if the terminal device continuously meets the first preset condition within the first time period, the transmission is stopped. SRS.

Wherein, the SRS configuration information is used to instruct the terminal device to send the SRS signal in an SRS polling manner.

In this embodiment of the present invention, when the network device instructs the terminal device to use the SRS rotation mode to send the SRS signal, the terminal device detects whether the terminal device satisfies the first preset condition, and suppresses the SRS transmission to reduce the downlink scheduling intensity. At this time, it is considered that The SRS rotation mode usually consumes a lot of power. In this scenario, suppressing the SRS transmission can save the power consumption of the terminal device.

As shown in FIG. 5 , an embodiment of the present invention provides a terminal device, where the terminal device includes:

A processing module 501, configured to send the SRS by using the first sending power or prohibit sending the SRS if the terminal device satisfies the first preset condition;

The first transmit power is less than the target transmit power, and the target transmit power is the transmit power determined according to the power control instruction sent by the network device, or the target transmit power is the initial transmit power set by default by the terminal device.

Optionally, the first preset condition includes at least one of the following: the remaining power is less than or equal to the first power;

The power reduction amount is greater than or equal to the first reduction amount;

The operating temperature is greater than or equal to the first temperature;

The current use period is the preset sleep period;

The current terminal use state is the standby state;

User input is not received within a preset time period;

Access a carrier aggregation cell.

Optionally, the processing module 501 is specifically configured to, if the terminal device satisfies the first preset condition, send the SRS by using the first sending power within the target duration, or prohibit sending the SRS.

Optionally, the processing module 501 is further configured to, if the terminal device satisfies the second preset condition, send the SRS by using the second transmission power, or resume sending the SRS, and the second transmission power is greater than the first transmission power;

The second preset condition is a scene that satisfies at least one of the following conditions;

The remaining power is greater than the second power;

The power reduction amount is less than the second reduction amount;

The operating temperature is lower than the second temperature;

The current use period is the working time period;

The current terminal use state is the use state;

Receive user input multiple times within a preset time period;

Access a non-CA cell.

Optionally, the processing module 501 is specifically configured to detect whether the terminal device satisfies the first preset condition;

If the terminal device satisfies the first preset condition, send the SRS by using the first transmission power, and continuously detect whether the terminal device satisfies the first preset condition within the first duration;

If the terminal device continuously satisfies the first preset condition within the first time period, it is forbidden to send the SRS.

Optionally, the processing module 501 is specifically configured to detect whether the terminal device satisfies the first preset condition if the SRS configuration information sent by the network device is received;

The SRS configuration information is used to instruct the terminal device to send the SRS in an SRS polling manner.

Optionally, the target transmit power is the transmit power of the last SRS sent.

An embodiment of the present invention further provides a terminal device, the terminal device may include a processor, a memory, and a computer program stored in the memory and running on the processor, and the computer program can implement the above method when executed by the processor The various processes performed by the terminal device in the example can achieve the same technical effect, and are not repeated here to avoid repetition.

FIG. 6 is a schematic diagram of a hardware structure of a terminal device according to an embodiment of the present invention. The terminal device may include: a radio frequency (RF) circuit 610, a memory 620, an input unit 630, a display unit 640, a sensor 650, an audio circuit 660, a wireless fidelity (WiFi) module 670, a processor 680, and power supply 690 and other components. The radio frequency circuit 610 includes a receiver 611 and a transmitter 612 . Those skilled in the art can understand that the structure of the mobile phone shown in FIG. 6 does not constitute a limitation on the mobile phone, and may include more or less components than the one shown, or combine some components, or arrange different components.

The RF circuit 610 can be used for receiving and sending signals during sending and receiving information or during a call. In particular, after receiving the downlink information of the base station, it is processed by the processor 680; in addition, the designed uplink data is sent to the base station. Typically, the RF circuit 610 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier (LNA), a duplexer, and the like. In addition, RF circuitry 610 may communicate with networks and other devices via wireless communications. The above wireless communication can use any communication standard or protocol, including but not limited to global system of mobile communication (GSM), general packet radio service (GPRS), code division multiple access (code division multiple access) , CDMA), wideband code division multiple access (WCDMA), long term evolution (long term evolution, LTE), email, short message service (short messaging service, SMS) and the like.

The memory 620 can be used to store software programs and modules, and the processor 680 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory 620 . The memory 620 may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, an application program (such as a sound playback function, an image playback function, etc.) required for at least one function, and the like; Data created by the use of the mobile phone (such as audio data, phone book, etc.), etc. Additionally, memory 620 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 input unit 630 may be used for receiving inputted numerical or character information, and generating key signal input related to user setting and function control of the mobile phone. Specifically, the input unit 630 may include a touch panel 631 and other input devices 632 . The touch panel 631, also referred to as a touch screen, can collect the user's touch operations on or near it (such as the user's finger, stylus, etc., any suitable object or attachment on or near the touch panel 631). operation), and drive the corresponding connection device according to the preset program. Optionally, the touch panel 631 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it to the touch controller. To the processor 680, and can receive the commands sent by the processor 680 and execute them. In addition, the touch panel 631 can be realized by various types of resistive, capacitive, infrared, and surface acoustic waves. Besides the touch panel 631 , the input unit 630 may further include other input devices 632 . Specifically, other input devices 632 may include, but are not limited to, one or more of physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, joysticks, and the like.

The display unit 640 may be used to display information input by the user or information provided to the user and various menus of the mobile phone. The display unit 640 may include a display panel 641, and optionally, the display panel 641 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like. Further, the touch panel 631 can cover the display panel 641, and when the touch panel 631 detects a touch operation on or near it, it transmits it to the processor 680 to determine the type of the touch event, and then the processor 680 determines the type of the touch event according to the touch event. Type provides corresponding visual output on display panel 641 . Although in FIG. 6, the touch panel 631 and the display panel 641 are used as two independent components to realize the input and input functions of the mobile phone, in some embodiments, the touch panel 631 and the display panel 641 can be integrated to form Realize the input and output functions of the mobile phone.

The terminal device may also include at least one sensor 650, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 641 according to the brightness of the ambient light, and the proximity sensor may turn off the display panel 641 and/or when the mobile phone is moved to the ear. or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes), and can detect the magnitude and direction of gravity when it is stationary. games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. Repeat. In this embodiment of the present invention, the sensor 650 may be used to detect the remaining power, power consumption, and temperature of the terminal device.

The audio circuit 660, the speaker 661, and the microphone 662 can provide an audio interface between the user and the mobile phone. The audio circuit 660 can transmit the received audio data converted electrical signal to the speaker 661, and the speaker 661 converts it into a sound signal for output; on the other hand, the microphone 662 converts the collected sound signal into an electrical signal, which is converted by the audio circuit 660 After receiving, it is converted into audio data, and then the audio data is output to the processor 660 for processing, and then sent to, for example, another mobile phone through the RF circuit 610, or the audio data is output to the memory 620 for further processing.

WiFi is a short-distance wireless transmission technology. The mobile phone can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 670. It provides users with wireless broadband Internet access. Although FIG. 6 shows the WiFi module 670, it can be understood that it is not a necessary component of the mobile phone, and can be completely omitted as required within the scope of not changing the essence of the invention.

The processor 680 is the control center of the mobile phone, using various interfaces and lines to connect various parts of the entire mobile phone, by running or executing the software programs and/or modules stored in the memory 620, and calling the data stored in the memory 620. Various functions of the mobile phone and processing data, so as to monitor the mobile phone as a whole. Optionally, the processor 680 may include one or more processing units; preferably, the processor 680 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs, etc. , the modem processor mainly deals with wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 680 .

The mobile phone also includes a power supply 690 (such as a battery) for supplying power to various components. Preferably, the power supply can be logically connected to the processor 680 through a power management system, so as to manage charging, discharging, and power consumption management functions through the power management system. Although not shown, the mobile phone may also include a camera, a Bluetooth module, and the like, which will not be repeated here.

In this embodiment of the present invention, the processing module 680 is configured to, if the terminal device satisfies the first preset condition, send the SRS by using the first sending power or prohibit sending the SRS;

The first transmit power is less than the target transmit power, and the target transmit power is the transmit power determined according to the power control instruction sent by the network device, or the target transmit power is the initial transmit power set by default by the terminal device.

Optionally, the processing module 680 is specifically used for the first preset condition including at least one of the following: the remaining power is less than or equal to the first power;

The power reduction amount is greater than or equal to the first reduction amount;

The operating temperature is greater than or equal to the first temperature;

The current use period is the preset sleep period;

The current terminal use state is the standby state;

User input is not received within a preset time period;

Access a carrier aggregation cell.

Optionally, the processing module 680 is specifically configured to, if the terminal device satisfies the first preset condition, send the SRS by using the first sending power within the target duration, or prohibit sending the SRS.

Optionally, the processing module 680 is further configured to, if the terminal device satisfies the second preset condition, send the SRS by using the second transmission power, or resume sending the SRS, and the second transmission power is greater than the first transmission power;

The second preset condition includes at least one of the following:

The remaining power is greater than the second power;

The power reduction amount is less than the second reduction amount;

The operating temperature is lower than the second temperature;

The current use period is the working time period;

The current terminal use state is the use state;

Receive user input multiple times within a preset time period;

Access a non-CA cell.

Optionally, the processing module 680 is specifically configured to detect whether the terminal device satisfies the first preset condition;

If the terminal device satisfies the first preset condition, send the SRS by using the first transmission power, and continuously detect whether the terminal device satisfies the first preset condition within the first duration;

If the terminal device continuously satisfies the first preset condition within the first time period, it is forbidden to send the SRS.

Optionally, the processing module 680 is specifically configured to detect whether the terminal device satisfies the first preset condition if the SRS configuration information sent by the network device is received;

The SRS configuration information is used to instruct the terminal device to send the SRS in an SRS polling manner.

Optionally, the target transmit power is the transmit power of the last SRS sent.

Optionally, send the SRS, specifically, the processing module 680 controls the RF circuit 610 to send the SRS signal,

An embodiment of the present invention provides a computer-readable storage medium, characterized in that, a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, each process performed by the terminal device in the foregoing method embodiment is implemented, and The same technical effect can be achieved, and in order to avoid repetition, details are not repeated here.

Wherein, the computer-readable storage medium may be a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk, an optical disk, or the like.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

From the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solutions of the present invention can be embodied in the form of software products in essence or the parts that make contributions to the prior art, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk, CD), including several instructions to make a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods of the various embodiments of the present invention.

The embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of the present invention, without departing from the spirit of the present invention and the scope protected by the claims, many forms can be made, which all belong to the protection of the present invention.

Claims (9)

1. A sending method of SRS is characterized in that the sending method is applied to terminal equipment and comprises the following steps:

if SRS configuration information sent by network equipment is received and it is detected that the terminal equipment meets a first preset condition, sending the SRS through first sending power, or forbidding sending the SRS, wherein the SRS configuration information is used for indicating the terminal equipment to send the SRS by adopting an SRS sending method;

the first transmission power is smaller than a target transmission power, and the target transmission power is determined according to a power control instruction sent by the network device, or the target transmission power is initial transmission power set by default by the terminal device.

2. The method of claim 1, wherein the first preset condition comprises at least one of:

the remaining capacity is less than or equal to the first capacity;

the electric quantity reduction amount is greater than or equal to a first reduction amount;

the operating temperature is greater than or equal to a first temperature;

the current use time period is a preset sleep time period;

the current terminal use state is a standby state;

receiving no user input within a preset time length;

and accessing the carrier aggregation cell.

3. The method of claim 1, wherein the detecting that the terminal device satisfies a first preset condition, then transmitting the SRS with a first transmission power, or prohibiting SRS transmission, includes:

And if the terminal equipment meets a first preset condition, sending the SRS through the first sending power within the target duration, or forbidding sending the SRS.

4. The method of claim 1, wherein the transmitting the SRS with the first transmission power or after prohibiting the SRS from being transmitted further comprises:

if the terminal equipment meets a second preset condition, sending an SRS through a second sending power, or resuming sending the SRS, wherein the second sending power is larger than the first sending power;

the second preset condition comprises at least one of the following:

the remaining capacity is greater than the second capacity;

the electric quantity reduction amount is smaller than the second reduction amount;

the operating temperature is less than the second temperature;

the current use period is a working time period;

the current terminal use state is a use state;

receiving user input for multiple times within a preset time length;

and accessing the non-carrier aggregation cell.

5. The method of claim 1, wherein the detecting that the terminal device satisfies a first preset condition, then transmitting the SRS with a first transmission power, or prohibiting SRS transmission, includes:

detecting whether the terminal equipment meets a first preset condition or not;

if the terminal equipment meets a first preset condition, sending an SRS through first sending power, and continuously detecting whether the terminal equipment meets the first preset condition within a first duration;

And if the terminal equipment continuously meets a first preset condition within the first time span, prohibiting sending the SRS.

6. The method of claim 1, wherein the target transmit power is a transmit power of a last SRS transmitted.

7. A terminal device, comprising:

the terminal equipment comprises a processing module and a sending module, wherein the processing module is used for sending an SRS (sounding reference signal) through first sending power or forbidding sending of the SRS if SRS configuration information sent by network equipment is received and the terminal equipment is detected to meet a first preset condition, and the SRS configuration information is used for indicating the terminal equipment to send the SRS in an SRS sending mode;

the first transmission power is smaller than a target transmission power, and the target transmission power is a transmission power determined according to a power control instruction sent by the network device, or the target transmission power is an initial transmission power set by default of the terminal device.

8. A terminal device, comprising:

processor, memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the method for transmitting SRS as claimed in any one of claims 1 to 6.

9. A computer-readable storage medium, comprising: computer program which, when being executed by a processor, implements the method for transmitting SRS as claimed in any one of claims 1 to 6.

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