WO2016154924A1 - Transmitting power adjusting method and device - Google Patents

Abstract

The present invention relates to the technical field of communications, in particular to a transmitting power adjusting method and device, which are used for solving the technical problem of failure in normally receiving a signal by a user equipment due to the fact of large signal attenuation during high frequency. In the embodiments of the present invention, a network equipment can determine a value of a pulse shaping factor corresponding to the user equipment, and further determines an adjusting value of transmitting power of a transmitter according to the value of the pulse shaping factor, thereby adjusting the transmitting power of the transmitter according to the adjusting value, i.e., adjusting the transmitting power of corresponding transmitters according to an actual situation of the user equipment, enabling the signal to be sent to a receiving end as far as possible in consideration of attenuation, and increasing the coverage rate of a cell.

Description

Transmission power adjustment method and device Technical field

The present invention relates to the field of communications technologies, and in particular, to a transmit power adjustment method and device.

Background technique

Modern communication systems, such as GSM (Global System for Mobile Communication), CDMA2000 (Code Division Multiple Access 2000)/WCDMA (Wideband Code Division Multiple Access) systems, and LTE (Long Term Evolution) systems usually operate on carrier frequencies below 3 GHz. With the advent of smart terminals, especially video services, current spectrum resources have been difficult to meet the explosive growth of user demand for capacity. High-frequency bands with larger available bandwidth, especially the millimeter-wave band, are increasingly becoming candidate bands for next-generation communication systems.

On the other hand, modern communication systems often use multi-antenna technology to increase the capacity and coverage of the system, as well as improve the user experience. Another advantage of using the high-frequency band is that the size of the multi-antenna configuration can be greatly reduced, thereby facilitating the station. Site acquisition and deployment of more antennas. However, unlike the working frequency bands of existing LTE systems, the high frequency band will lead to greater path loss, especially the influence of factors such as the atmosphere and vegetation, which further aggravate the loss of wireless propagation.

OFDM (Orthogonal Frequency Division Multiplexing) is widely studied due to its strong anti-multipath interference capability, simple DFT (Discrete Fourier Transform), and multi-antenna transmission technology. And application. The DFT-expanded OFDM is referred to as the DFT-S-OFDM scheme. In this scheme, when the subcarrier groups occupied by different users do not overlap, orthogonal frequency division multiple access can be implemented, thereby obtaining single carrier orthogonality. Frequency division multiple access scheme, and is especially suitable for uplink transmission of mobile communication systems.

In a cell that uses the high frequency band for communication, since the distance between the user equipment and the base station is different, the attenuation generated by the signal transmitted by the base station when reaching each user equipment is different. If the distance between the user equipment and the base station is relatively long, for example, the user equipment located at the edge of the cell, the base station sends When the signal is transmitted to the user equipment, there may be a large attenuation, and the user equipment may not be able to receive the signal normally, or the original signal cannot be parsed after receiving.

Summary of the invention

Embodiments of the present invention provide a method and a device for adjusting a transmit power, which are used to solve the technical problem that a user equipment cannot receive a signal normally due to a large signal attenuation at a high frequency.

In a first aspect, a method for adjusting a transmit power is provided, including:

The network device acquires a channel quality measurement result of the user equipment;

Determining, by the network device, a value of a first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result, and a correspondence between a channel quality measurement result and a pulse shaping factor; the first pulse shaping factor Corresponding to the first power adjustment value.

With reference to the first aspect, in a first implementation manner of the first aspect, the acquiring, by the network device, the channel quality measurement result of the user equipment includes:

Obtaining, by the network device, a channel quality measurement result of the user equipment by using a measurement of a measurement reference signal sent by the user equipment; or

The network device obtains a channel quality measurement result of the user equipment according to the channel quality measurement result reported by the user equipment.

With reference to the first aspect or the first implementation manner of the first aspect, in a second implementation manner of the first aspect, the network device, according to the channel quality measurement result, and the channel quality measurement result and the pulse shaping factor After determining the value of the first pulse shaping factor corresponding to the user equipment, the mapping relationship includes:

Determining, by the network device, a first power adjustment value corresponding to a value of the first pulse shaping factor according to a correspondence between a pulse shaping factor and a power adjustment value, wherein the pulse shaping factor and the power adjustment value are The correspondence is preset;

The network device sends the first power adjustment value to the user equipment; the first power adjustment value is used by the user equipment to adjust a transmit power of the user equipment according to the first power adjustment value.

With reference to the first aspect or the first implementation manner of the first aspect, in a third implementation manner of the first aspect, the network device, according to the channel quality measurement result, and the channel quality measurement result and the pulse shaping factor After determining the value of the first pulse shaping factor corresponding to the user equipment, the mapping relationship includes:

Transmitting, by the network device, the value of the first pulse shaping factor to the user equipment; the value of the first pulse shaping factor is used by the user equipment according to a correspondence between a pulse shaping factor and a power adjustment value, Determining a first power adjustment value corresponding to the value of the first pulse shaping factor, and adjusting a transmission power of the user equipment according to the first power adjustment value, wherein the pulse shaping factor and the power adjustment value are The correspondence is preset.

With reference to the first aspect or the first implementation manner of the first aspect, in a fourth implementation manner of the first aspect, the network device, according to the channel quality measurement result, and the channel quality measurement result and the pulse shaping factor After determining the value of the first pulse shaping factor corresponding to the user equipment, the mapping relationship includes:

Determining, by the network device, a first power adjustment value corresponding to a value of the first pulse shaping factor according to a correspondence between a pulse shaping factor and a power adjustment value; wherein the pulse shaping factor and the power adjustment value are between The correspondence is preset;

The network device adjusts, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment;

The network device sends a signal to the user equipment according to the adjusted transmit power.

With reference to the fourth implementation manner of the first aspect, in a fifth implementation manner of the first aspect, the network device, when the network device sends a signal to the user equipment, according to the first power adjustment value Transmit power, including:

The network device adds the first power adjustment value to a power ratio for each resource unit of the user equipment to obtain a new power ratio for each resource unit of the user equipment.

In a second aspect, a method for adjusting transmit power is provided, including:

Determining, by the user equipment, a first power adjustment value, where the first power adjustment value is obtained according to a value of a first pulse shaping factor and a correspondence between a pulse shaping factor and a power adjustment value, The value of the first pulse shaping factor is obtained according to a channel quality measurement result of the user equipment, and a correspondence between a channel quality measurement result and a pulse shaping factor; wherein, between the pulse shaping factor and the power adjustment value The correspondence relationship is preset, and the correspondence between the channel quality measurement result and the pulse shaping factor is preset;

The user equipment adjusts a transmit power of the user equipment according to the first power adjustment value.

With reference to the second aspect, in a first possible implementation manner of the second aspect, the user equipment determines the first power adjustment value, including:

The user equipment receives the first power adjustment value sent by the network device.

With reference to the second aspect, in a second possible implementation manner of the second aspect, the user equipment determines the first power adjustment value, including:

Receiving, by the user equipment, a value of the first pulse shaping factor sent by the network device;

The user equipment determines the first power adjustment value according to a value of the first pulse shaping factor and a correspondence between the pulse shaping factor and a power adjustment value.

With reference to the second aspect, or the first possible implementation manner of the second aspect, or the second possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, The first power adjustment value adjusts the transmit power of the user equipment, including:

The user equipment adjusts a total transmit power of the user equipment according to the first power adjustment value; or

The user equipment adjusts a transmit power of the user equipment on each PRB according to the first power adjustment value.

In a third aspect, a network device is provided, including:

An obtaining module, configured to obtain a channel quality measurement result of the user equipment;

a first determining module, configured to determine a value of a first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result, and a correspondence between a channel quality measurement result and a pulse shaping factor; The pulse shaping factor corresponds to the first power adjustment value.

In conjunction with the third aspect, in a first possible implementation manner of the third aspect, the acquiring module is specifically configured to:

Obtaining, by the measurement of the measurement reference signal sent by the user equipment, a channel quality measurement result of the user equipment; or

And obtaining, according to the channel quality measurement result reported by the user equipment, a channel quality measurement result of the user equipment.

With the third aspect or the first possible implementation manner of the third aspect, in a second possible implementation manner of the third aspect, the network device further includes a second determining module and a sending module;

The second determining module is configured to determine, at the first determining module, a first pulse corresponding to the user equipment according to the channel quality measurement result, and a correspondence between a channel quality measurement result and a pulse shaping factor After determining the value of the shaping factor, determining a first power adjustment value corresponding to the value of the first pulse shaping factor according to a correspondence between the pulse shaping factor and the power adjustment value, wherein the pulse shaping factor and the power adjustment value are The correspondence between the two is preset;

The sending module is configured to send the first power adjustment value to the user equipment, where the first power adjustment value is used by the user equipment to adjust the transmission of the user equipment according to the first power adjustment value. power.

In conjunction with the third aspect, or the first possible implementation manner of the third aspect, in a third possible implementation manner of the third aspect, the network device further includes: a sending module, configured to:

After the first determining module determines the value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result, and the correspondence between the channel quality measurement result and the pulse shaping factor, Transmitting a value of the first pulse shaping factor to the user equipment; the value of the first pulse shaping factor is used by the user equipment to determine the first pulse according to a correspondence between a pulse shaping factor and a power adjustment value The first power adjustment value corresponding to the value of the shaping factor, and adjusting the transmission power of the user equipment according to the first power adjustment value, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset.

With reference to the third aspect, or the first possible implementation manner of the third aspect, in a fourth possible implementation manner of the third aspect, the network device further includes a second determining module, an adjusting module, and a sending module;

The second determining module is configured to measure, according to the channel quality, the first determining module And determining a correspondence between the channel quality measurement result and the pulse shaping factor, determining a value of the first pulse shaping factor corresponding to the user equipment, and determining, according to a correspondence between the pulse shaping factor and the power adjustment value a first power adjustment value corresponding to the value of the first pulse shaping factor, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset;

The adjusting module is configured to adjust, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment;

The sending module is configured to send a signal to the user equipment according to the adjusted transmit power.

In conjunction with the fourth possible implementation of the third aspect, in a fifth possible implementation manner of the third aspect, the adjusting module is specifically configured to:

Adding the first power adjustment value to a power ratio for each resource unit of the user equipment results in a new power ratio for each resource unit of the user equipment.

In a fourth aspect, a user equipment is provided, including:

a determining module, configured to determine a first power adjustment value; the first power adjustment value is obtained according to a value of a first pulse shaping factor and a correspondence between a pulse shaping factor and a power adjustment value, the first pulse The value of the shaping factor is obtained according to the channel quality measurement result of the user equipment, and the correspondence between the channel quality measurement result and the pulse shaping factor; wherein the correspondence between the pulse shaping factor and the power adjustment value is Presetting, and the correspondence between the channel quality measurement result and the pulse shaping factor is preset;

And an adjusting module, configured to adjust, according to the first power adjustment value, a transmit power of the user equipment.

With reference to the fourth aspect, in a first possible implementation manner of the fourth aspect, the determining module is specifically configured to:

Receiving the first power adjustment value sent by the network device.

With reference to the fourth aspect, in a second possible implementation manner of the fourth aspect, the determining module is specifically configured to:

Receiving a value of the first pulse shaping factor sent by the network device;

And determining the first power adjustment value according to a value of the first pulse shaping factor and a correspondence between the pulse shaping factor and a power adjustment value.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, or the second possible implementation manner of the fourth aspect, in a third possible implementation manner of the fourth aspect, the :

Adjusting a total transmit power of the user equipment according to the first power adjustment value; or

And adjusting, according to the first power adjustment value, a transmit power of the user equipment on each PRB.

In a fifth aspect, a network device is provided, comprising: a memory and a processor connected to the same bus;

The memory is configured to store an instruction;

The processor is configured to execute the instruction, obtain a channel quality measurement result of the user equipment, and determine, according to the channel quality measurement result, a correspondence between the channel quality measurement result and a pulse shaping factor, a value of the first pulse shaping factor corresponding to the user equipment; the first pulse shaping factor corresponds to the first power adjustment value.

With reference to the fifth aspect, in a first possible implementation manner of the fifth aspect, the network device further includes: a transceiver connected to the bus; the processor is configured to obtain a channel quality measurement result of the user equipment, specifically :

Obtaining a channel quality measurement result of the user equipment by measuring the measurement reference signal sent by the user equipment and received by the user equipment; or

Obtaining a channel quality measurement result of the user equipment according to the channel quality measurement result reported by the user equipment and received by the user equipment.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in a second possible implementation manner of the fifth aspect, the network device further includes a transceiver connected to the bus;

The processor is further configured to: after determining a value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result, and a correspondence between the channel quality measurement result and the pulse shaping factor, according to Corresponding relationship between the pulse shaping factor and the power adjustment value, determining a first power adjustment value corresponding to the value of the first pulse shaping factor, wherein a correspondence between the pulse shaping factor and the power adjustment value is a preset of;

The transceiver is configured to: send the first power adjustment value to the user equipment; A power adjustment value is used by the user equipment to adjust a transmit power of the user equipment according to the first power adjustment value.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in a third possible implementation manner of the fifth aspect, the network device further includes: a transceiver connected to the bus; to:

After the processor determines the value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor, the first Transmitting a value of the pulse shaping factor to the user equipment; the value of the first pulse shaping factor is used by the user equipment to determine the first pulse shaping factor according to a correspondence between a pulse shaping factor and a power adjustment value And corresponding to the first power adjustment value, and adjusting the transmit power of the user equipment according to the first power adjustment value, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in a fourth possible implementation manner of the fifth aspect, the network device further includes a transceiver connected to the bus; the processor Also used for:

After determining the value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor, according to the pulse shaping factor and the power adjustment value a first power adjustment value corresponding to the value of the first pulse shaping factor, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset;

Adjusting, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment;

Transmitting a signal to the user equipment through the transceiver according to the adjusted transmit power.

With reference to the fourth possible implementation manner of the fifth aspect, in a fifth possible implementation manner of the fifth aspect, the processor is further configured to adjust the network device according to the first power adjustment value The transmit power when the user equipment transmits a signal is specifically:

Comparing the first power adjustment value with a power ratio for each resource unit of the user equipment Adding, a new power ratio for each resource unit of the user equipment is obtained.

In a sixth aspect, a user equipment is provided, including a memory and a processor connected to the same bus;

The memory is configured to store an instruction;

The processor is configured to execute the instruction to determine a first power adjustment value, where the first power adjustment value is obtained according to a value of a first pulse shaping factor and a correspondence between a pulse shaping factor and a power adjustment value. The value of the first pulse shaping factor is obtained according to a channel quality measurement result of the user equipment, and a correspondence between a channel quality measurement result and a pulse shaping factor; wherein the pulse shaping factor and power adjustment Corresponding relationship between the values is preset, and the correspondence between the channel quality measurement result and the pulse shaping factor is preset; and adjusting the transmission of the user equipment according to the first power adjustment value power.

In conjunction with the sixth aspect, in a first possible implementation manner of the sixth aspect, the user equipment further includes a transceiver connected to the bus; the processor is configured to determine a first power adjustment value, specifically:

Receiving, by the transceiver, the first power adjustment value sent by the network device.

With reference to the sixth aspect, in a second possible implementation manner of the sixth aspect, the user equipment further includes a transceiver connected to the bus; the processor is configured to determine a first power adjustment value, specifically:

Receiving, by the transceiver, a value of the first pulse shaping factor sent by the network device;

And determining the first power adjustment value according to a value of the first pulse shaping factor and a correspondence between the pulse shaping factor and a power adjustment value.

With reference to the sixth aspect, or the first possible implementation manner of the sixth aspect, or the second possible implementation manner of the sixth aspect, in a third possible implementation manner of the sixth aspect, The first power adjustment value adjusts the transmit power of the user equipment, specifically:

Adjusting a total transmit power of the user equipment according to the first power adjustment value; or

And adjusting, according to the first power adjustment value, a transmit power of the user equipment on each PRB.

In the embodiment of the present invention, the network device may determine the channel quality measurement result of the user equipment, and the corresponding relationship between the preset channel quality measurement result and the pulse shaping factor. The value of the pulse shaping factor corresponding to the user equipment, and further determining the adjustment value of the transmission power of the corresponding transmitting end according to the determined value of the pulse shaping factor, so that the corresponding transmitting end emission can be adjusted according to the determined adjustment value of the transmitting power. Power, the transmitting end may be a user equipment, or may be a network device, that is, the transmitting power of the corresponding transmitting end may be adjusted according to the actual situation of the user equipment. For example, if the channel quality of the user equipment is poor, the The corresponding transmit power of the user equipment enables the signal to be transmitted to the receiving end in consideration of the attenuation, and the coverage of the cell is improved. For example, if the channel quality of the user equipment is good, the corresponding transmission of the user equipment may not be performed. The power is adjusted, or the corresponding transmit power of the user equipment can be correspondingly reduced, so that the system power consumption can be minimized under the premise of ensuring coverage.

In the embodiment of the present invention, the PAPR is reduced by the pulse shaping technology, and the adjustment value of the transmission power is determined by the value of the pulse shaping factor, and the transmission power can be adjusted, which not only can improve the transmission power of the transmitting end as much as possible, but also You can also try to keep the PAPR low.

DRAWINGS

FIG. 1A is a schematic diagram of a base station-user equipment deployment scenario according to an embodiment of the present invention;

FIG. 1B is a flowchart of a method for adjusting a transmit power according to an embodiment of the present invention;

2 is a flowchart of a method for adjusting a transmit power according to an embodiment of the present invention;

3 is a structural block diagram of a network device according to an embodiment of the present invention;

4 is a structural block diagram of a user equipment according to an embodiment of the present invention;

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

FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.

detailed description

FIG. 1A is a schematic diagram of a typical base station-user equipment (UE) deployment scenario, including a base station and four UEs covered by the base station, and the base station can communicate with UE1, UE2, UE3, and UE4, respectively. As can be seen from FIG. 1A, the distance between each UE and the base station may be different. For example, the distance between the UE1 and the base station is relatively close, and the distance between the UE2 and the base station is relatively long. Therefore, if the base station is the same The transmit power is sent to each UE, and the transmit power is generated. The attenuation of the difference is different according to the distance between the UE and the base station. Generally, the farther the distance from the base station is, the greater the attenuation is. In addition, if the base station transmits at a high frequency, the attenuation will be larger.

The high frequency in the embodiment of the present invention may refer to a frequency band greater than or equal to the maximum carrier frequency that the current LTE system can support. For example, it includes a carrier frequency band greater than 2 GHz, or includes, for example, a carrier frequency band of 3.5 GHz or 6 GHz or the like. Typical high frequency bands include, for example, carrier frequency bands of 15 GHz, 28 GHz, 60 GHz, 70 GHz, and the like.

Regarding the principle of attenuation of high frequency, an example will be described below.

For example, the near-field path loss formula in the case of a direct path is:

PL=22.0log10(d_3D)+28.0+20log10(fc) (1)

Among them, PL represents the path loss value, d_3D represents the distance between the transmitting end and the receiving end, and fc represents the value of the carrier frequency term. It can be seen from equation (1) that the path loss value increases as the carrier frequency increases.

In addition, in the embodiment of the present invention, the pulse shaping factor is an adjustment factor in the pulse shaping function. For example, in the case of a raised cosine pulse, the larger the pulse shaping factor, the lower the adjusted PAPR, so that for the same power amplifier, Only then can you apply more power.

The techniques described herein can be used in a variety of communication systems, such as current 2G, 3G communication systems and next generation communication systems, such as Global System for Mobile communications (GSM), Code Division Multiple Access (Code Division Multiple Access,). CDMA) system, Time Division Multiple Access (TDMA) system, Wideband Code Division Multiple Access Wireless (WCDMA), Frequency Division Multiple Addressing (FDMA) system, orthogonal frequency Orthogonal Frequency-Division Multiple Access (OFDMA) system, single carrier FDMA (SC-FDMA) system, General Packet Radio Service (GPRS) system, Long Term Evolution (LTE) system, And other such communication systems.

Various aspects are described herein in connection with user equipment and/or network equipment.

The user equipment may be a wireless terminal or a wired terminal, and the wireless terminal may be a device that provides voice and/or data connectivity to the user, a handheld device with wireless connection function, or even Receive other processing devices from the wireless modem. The wireless terminal can communicate with one or more core networks via a radio access network (eg, Radio Access Network, RAN), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and with a mobile terminal The computers, for example, can be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices that exchange language and/or data with the wireless access network. For example, Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), etc. . A wireless terminal may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, or an access point. Remote Terminal, Access Terminal, User Terminal, User Agent, User Device, or User Equipment.

A network device, such as a base station. A base station (e.g., an access point) can refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface. The base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network. The base station can also coordinate attribute management of the air interface. For example, the base station may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station in LTE (NodeB or eNB or e-NodeB, evolutional Node B), the invention is not limited.

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Additionally, the terms "system" and "network" are used interchangeably herein. The term "and/or" in this context is merely an association that describes an associated object, indicating that there can be three relationships, for example For example, A and/or B may indicate that A exists separately, and A and B exist simultaneously, and B cases exist alone. In addition, the character "/" in this article, unless otherwise specified, generally indicates that the contextual object is an "or" relationship.

The embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1B, an embodiment of the present invention provides a method for adjusting a transmit power, and a main process of the method is described as follows.

Step 101: The network device acquires a channel quality measurement result of the user equipment.

Optionally, in the embodiment of the present invention, the network device obtains the channel quality measurement result of the user equipment, including:

Obtaining, by the network device, a channel quality measurement result of the user equipment by measuring the measurement reference signal sent by the user equipment; or

The network device obtains a channel quality measurement result of the user equipment according to the channel quality measurement result reported by the user equipment.

That is, the user equipment may send a measurement reference signal to the network device, and the network device may obtain the channel quality measurement result of the user equipment by measuring the measurement reference signal. Alternatively, the user equipment may also measure the channel reference measurement result sent by the network device to obtain the channel quality measurement result of the network device to the user equipment, and directly send the channel quality measurement result to the network device, so that the network device can directly receive the channel quality measurement result.

Optionally, in the embodiment of the present invention, the channel quality measurement result includes a Reference Signal Receiving Power (RSRP), a Reference Signal Receiving Quality (RSRQ), and a Received Signal Strength Indication (RSI). At least one of a strength indication) and a CQI (Channel Quality Indicator). Optionally, other quantities for characterizing the channel quality result, such as RSRQ (Reference Signal Received Quality) or RSSI (Received Signal Strength Indicator), and the like.

Step 102: The network device determines, according to the channel quality measurement result, and a correspondence between a channel quality measurement result and a pulse shaping factor, a first pulse corresponding to the user equipment. a value of a shaping factor; the first pulse shaping factor corresponds to a first power adjustment value.

The network device is pre-configured with the corresponding relationship between the channel quality test result and the pulse shaping factor. After obtaining the channel quality test result, the network device may obtain the channel quality test result and the preset channel quality. The corresponding relationship between the test result and the pulse shaping factor determines the value of the pulse shaping factor corresponding to the user equipment. In the embodiment of the present invention, the pulse shaping factor corresponding to the user equipment is referred to as a first pulse shaping factor.

For example, if the channel quality test result includes RSRP, then the correspondence between a possible channel quality test result and a pulse shaping factor is shown in Table 1.

Table 1

RSRP range	a
		[-140,-125)	0.3
[-125,-110)	0.25
		[-110,-95)	0.2
[-95,-80)	0.15
		[-80,-65)	0.1
[-65,-50)	0.05
		[-50,0]	0

The RSRP range in Table 1 represents the range of values of RSRP, and a represents the value of the pulse shaping factor. Table 1 is only an example and does not represent all embodiments of the present invention. The correspondence between the channel quality test result and the pulse shaping factor is within the protection scope of the present invention.

In general, the larger the absolute value of the value of the RSRP, the worse the channel quality of the corresponding user equipment, and the smaller the absolute value of the RSRP value, the better the channel quality of the corresponding user equipment, for example, it is generally considered The channel quality of the user equipment located at the edge of the cell may be poor, and the channel quality of the user equipment located in the cell may be better. For example, in FIG. 1A, for example, UE2 is a user equipment located at a cell edge, and UE1, UE3, and UE4 are user equipments located in a cell, and the channel quality of UE2 may be worse than that of UE1, UE3, and UE4.

For example, the worst channel quality in Table 1 is the user equipment corresponding to the RSRP with the value [-140, -125), and the channel quality is preferably the user equipment corresponding to the RSRP of [-50, 0]. It can be seen from Table 1 that the worse the channel quality, the larger the value of the pulse shaping factor selected for the user equipment, because in general, the worse the channel quality, the higher the PAPR, therefore, for the channel Poor quality user equipment can adjust its PAPR by a large pulse shaping factor to minimize the PAPR of these user equipment. However, the user equipment with better channel quality has a lower PAPR. Therefore, for a user equipment with poor channel quality, the PAPR can be fine-tuned by a small pulse shaping factor, and even the PAPR does not need to be adjusted to alleviate the base station. The burden.

Wherein, when the value of the pulse shaping factor is set to 0, it means that the power adjustment function of the user equipment is turned off, that is, the user equipment does not make any power adjustment. When the value of the pulse shaping factor is set to be non-zero, the different values of the pulse shaping factor may correspond to different power adjustment values. In the embodiment of the present invention, the final determined power adjustment value is an adjustment value of the transmission power, and can be used to adjust the transmission power of the network device or the user equipment.

Optionally, in the embodiment of the present invention, after the network device obtains the value of the first pulse shaping factor corresponding to the user equipment, there are several different processing manners, which are respectively described below.

The first way:

In the embodiment of the present invention, after determining, by the network device, the value of the first pulse shaping factor corresponding to the user equipment, according to the channel quality measurement result, and the correspondence between the channel quality measurement result and the pulse shaping factor ,Also includes:

Determining, by the network device, a first power adjustment value corresponding to a value of the first pulse shaping factor according to a correspondence between a pulse shaping factor and a power adjustment value, wherein the pulse shaping factor and the power adjustment value are The correspondence is preset;

The network device sends the first power adjustment value to the user equipment; the first power adjustment value is used by the user equipment to adjust a transmit power of the user equipment according to the first power adjustment value.

At this time, in addition to the correspondence between the channel quality measurement result and the pulse shaping factor, the network device needs to pre-store the pair between the pulse shaping factor and the power adjustment value. Should be related. Then, after determining the value of the pulse shaping factor, the network device may determine a power adjustment value corresponding to the user equipment according to a correspondence between the preset pulse shaping factor and the power adjustment value, for example, the power adjustment value is called Adjust the value for the first power. The network device may send the determined first power adjustment value to the user equipment, and the user equipment may adjust the transmission power of the first power adjustment value by using the first power adjustment value. In this way, the user equipment does not need to store too much information, and the user equipment does not need to complete too many tasks, and the requirements on the user equipment are not high, so that more user equipments can adjust the transmission power.

Specifically, the network device sends the first power adjustment value to the user equipment, and may be sent by using high layer signaling, or may be sent by layer 1 control signaling.

The high-level signaling generally refers to RRC (Radio Resource Control) signaling, RCL (Radio Link Control) signaling, and the like. Layer 1 control signaling generally refers to physical layer control. Signaling.

The second way:

In the embodiment of the present invention, after determining, by the network device, the value of the first pulse shaping factor corresponding to the user equipment, according to the channel quality measurement result, and the correspondence between the channel quality measurement result and the pulse shaping factor ,Also includes:

Transmitting, by the network device, a value of the first pulse shaping factor to the user equipment; a value of the first pulse shaping factor is used by the user equipment according to a correspondence between the pulse shaping factor and a power adjustment value And determining a first power adjustment value corresponding to the value of the first pulse shaping factor, and adjusting a transmission power of the user equipment according to the first power adjustment value.

That is, if the correspondence between the pulse shaping factor and the power adjustment value is also pre-stored in the user equipment, the network device may directly send the determined value of the first pulse shaping factor corresponding to the user equipment to the user equipment, the user. The device can determine the power adjustment value corresponding to itself according to the preset relationship between the preset pulse shaping factor and the power adjustment value, for example, the first power adjustment value. After determining the first power adjustment value, the user equipment can directly The transmission power of the self is adjusted according to the first power adjustment value. In this way, the network device needs to perform fewer tasks, reducing the burden on the network device.

Specifically, the network device sends the value of the first pulse shaping factor to the user equipment, and may be sent by using high layer signaling, or may be sent by layer 1 control signaling.

The third way:

In the embodiment of the present invention, after determining, by the network device, the value of the first pulse shaping factor corresponding to the user equipment, according to the channel quality measurement result, and the correspondence between the channel quality measurement result and the pulse shaping factor ,Also includes:

Determining, by the network device, a first power adjustment value corresponding to a value of the first pulse shaping factor according to a correspondence between a preset pulse shaping factor and a power adjustment value;

The network device adjusts, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment;

The network device sends a signal to the user equipment according to the adjusted transmit power.

That is, the network device can pre-store the correspondence between the pulse shaping factor and the power adjustment value, and the network device can determine the power adjustment value corresponding to the user equipment, for example, the first power adjustment value. After determining the first power adjustment value, the network device may directly adjust the transmission power of the network device when transmitting the signal to the user equipment, and may send a signal to the user equipment according to the adjusted transmission power.

Optionally, in the embodiment of the present invention, the network device adjusts, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment, including:

The network device adds the first power adjustment value to a power ratio for each resource unit of the user equipment to obtain a new power ratio for each resource unit of the user equipment.

The user equipment assumes that the power ratio per resource unit is the new power ratio per resource unit after the first power adjustment value has been applied.

The first power adjustment value may be applied to each RE (Resource Element) power ratio sent by the base station to the user equipment, for example, the ratio of each RE power sent by the base station to the user equipment is represented by ρ_A. ρ_A is calculated as follows:

ρ_A=(PDSCH EPRE/RS EPRE) (2)

In Equation (2), the PDSCH (Physical Downlink Shared Channel) EPRE (Energy Per Resource Element) is expressed in The average energy per resource unit of the PDSCH. The RS (Reference Signal) EPRE represents the average energy per resource unit of the reference signal. ρ_A is the ratio of the two.

The reference signal may be a cell-specific reference signal, such as a CRS (Common Reference Signal). Optionally, the reference signal may also be a reference signal specific to the user equipment, such as a CSI-RS (Channel State Information-Reference Signal).

For example, if the first power adjustment value is represented by delta_P1, the transmission power of the network device when transmitting a signal to the user equipment is adjusted according to the first power adjustment value, as follows:

ρ_A=ρ_A+delta_P1 (3)

ρ_A on the left side of equation (3) is the new power ratio for each RE of the user equipment. In the formula (3), ρ_A may be a power ratio value on a symbol including the RS, or may be a power ratio value on a symbol not including the RS, which is not limited in the present invention.

That is, in the embodiment of the present invention, the determined first power adjustment value can adjust the transmission power of the user equipment when transmitting signals to the network equipment, and can also adjust the transmission power of the network equipment when transmitting signals to the user equipment.

In the embodiment of the present invention, there may be multiple correspondences between the pulse shaping factor and the power adjustment value.

See, for example, Table 2 for the correspondence between the first possible pulse shaping factor and the power adjustment value.

Table 2

a	Delta_P
		0.3	+6
0.25	+5
		0.2	+4
0.15	+3
		0.1	+2
0.05	+1

0

0

In Table 2, a represents the value of the pulse shaping factor, and Delta_P represents the power adjustment value.

See, for example, Table 3 for the correspondence between the second possible pulse shaping factor and the power adjustment value.

table 3

a	Delta_P
		0.3	+3
0.25	+2
		0.2	+1
0.15	0
		0.1	-1
0.05	-2
		0	-3

In Table 3, a represents the value of the pulse shaping factor, and Delta_P represents the power adjustment value.

See, for example, Table 4 for the correspondence between the third possible pulse shaping factor and the power adjustment value.

Table 4

a	Delta_P
		0.3	0
0.25	-1
		0.2	-2
0.15	-3
		0.1	-4
0.05	-5
		0	-6

In Table 4, a represents the value of the pulse shaping factor, and Delta_P represents the power adjustment value.

For example, if the value of the minimum pulse shaping factor is used as the reference value (ie, the power adjustment value corresponding to the value of the smallest pulse shaping factor is 0), then the correspondence shown in Table 2 can be selected, if the value is in the middle The value of the pulse shaping factor is used as a reference value (ie, the power adjustment value corresponding to the value of the pulse shaping factor in the middle is 0), then the correspondence shown in Table 3 can be selected, if the maximum pulse shaping factor is used. The value is used as the reference value (ie, the power adjustment value corresponding to the value of the largest pulse shaping factor is 0), then the correspondence shown in Table 4 can be selected.

For example, according to Table 2 and Table 3, if the value of the pulse shaping factor corresponding to the user equipment is large, that is, the channel quality of the user equipment is poor, the corresponding transmission power of the user equipment can be improved, so that the signal can be considered as much as possible. Sending to the receiving end to reduce the coverage of the cell. For example, if the value of the pulse shaping factor corresponding to the user equipment is small, that is, the channel quality of the user equipment is good, the user equipment may not be corresponding. The transmit power is adjusted, or the corresponding transmit power of the user equipment can be correspondingly reduced, so that the system power consumption can be minimized under the premise of ensuring coverage.

For example, in Table 4, it can be considered that the currently corresponding transmission power of the user equipment is relatively large. Then, if the value of the pulse shaping factor corresponding to the user equipment is small, that is, the channel quality of the user equipment is good, the corresponding transmit power of the user equipment can be adjusted to minimize the system work under the premise of ensuring coverage. If the value of the pulse shaping factor corresponding to the user equipment is large, that is, the channel quality of the user equipment is poor, the transmission power corresponding to the user equipment may not be adjusted, so that the signal can be sent to the attenuation as much as possible. At the receiving end, the coverage of the cell is improved.

The transmission power corresponding to the user equipment mentioned herein may be the transmission power of the base station when transmitting a signal to the user equipment, or may be the transmission power of the user equipment itself when transmitting a signal to the base station.

Table 2-4 is a specific example for illustrating the solution of the embodiment of the present invention, and does not represent all the embodiments of the present invention. The correspondence between the pulse shaping factor and the power adjustment value is within the protection scope of the present invention.

In the embodiment of the present invention, the value of the first pulse shaping factor is a quantized result, for example, the first pulse The value of the punch forming factor is quantized into M bits, and M is a positive integer.

In addition, the first power adjustment value may also be a quantized result, for example, the first power adjustment value is quantized into N bits, and N is a positive integer.

It should be noted that, taking the raised cosine pulse as an example, the value of the pulse shaping factor itself is a decimal between [0, 1], as shown in Table 1 - Table 4. It is generally quantized during transmission or when it is saved.

Similarly, after the power adjustment value (as shown in Table 2 - Table 4) is obtained, it can also be quantized for transmission or storage.

Referring to FIG. 2, based on the same inventive concept, an embodiment of the present invention provides another method for adjusting a transmit power, and a main process of the method is described as follows.

Step 201: The user equipment determines a first power adjustment value, where the first power adjustment value is obtained according to a value of a first pulse shaping factor and a correspondence between a pulse shaping factor and a power adjustment value, where the first pulse The value of the shaping factor is obtained according to the channel quality measurement result of the user equipment, and the correspondence between the channel quality measurement result and the pulse shaping factor; wherein the correspondence between the pulse shaping factor and the power adjustment value is Preset, and the correspondence between the channel quality measurement result and the pulse shaping factor is preset.

In the embodiment of the present invention, the specific process of obtaining the value of the first pulse shaping factor according to the channel quality measurement result of the user equipment and the corresponding relationship between the preset channel quality measurement result and the pulse shaping factor is already in the process of FIG. There are descriptions.

Optionally, in the embodiment of the present invention, the user equipment determines the first power adjustment value, including:

The user equipment receives the first power adjustment value sent by the network device.

The manner in which the two user equipments obtain the first power adjustment value is introduced in the process of FIG. 1 , where one of them is: a correspondence between a pulse shaping factor and a power adjustment value is pre-stored in the network device. After obtaining the value of the first pulse shaping factor, the network device obtains the first power adjustment value corresponding to the user equipment according to the value of the first pulse shaping factor and the correspondence between the preset pulse shaping factor and the power adjustment value. And transmitting the first power adjustment value to the user equipment. Then, in this solution, the user equipment can directly receive the first power adjustment value sent by the network device.

Optionally, in the embodiment of the present invention, the user equipment determines the first power adjustment value, including:

Receiving, by the user equipment, a value of the first pulse shaping factor sent by the network device;

The user equipment determines the first power adjustment value according to a value of the first pulse shaping factor and a correspondence between a value of the pulse shaping factor and a power adjustment value.

Another manner in which the user equipment obtained in the process of FIG. 1 obtains the first power adjustment value is that the correspondence between the pulse shaping factor and the power adjustment value is pre-stored in the user equipment. After obtaining the value of the first pulse shaping factor, the network device directly sends the value of the first pulse shaping factor to the user equipment, and the user equipment according to the value of the first pulse shaping factor and the preset pulse shaping factor and the power adjustment value The corresponding relationship between the first power adjustment values corresponding to the user equipment is obtained. Then, in this solution, the user equipment needs to participate in processing to obtain the first power adjustment value.

Step 202: The user equipment adjusts a transmit power of the user equipment according to the first power adjustment value.

Optionally, in the embodiment of the present invention, the user equipment adjusts the transmit power of the user equipment according to the first power adjustment value, including:

The user equipment adjusts a total transmit power of the user equipment according to the first power adjustment value; or

The user equipment adjusts the transmit power of the user equipment on each PRB (Physical Resource Block) according to the first power adjustment value.

In the embodiment of the present invention, the value of the first pulse shaping factor is a quantized result, for example, the value of the first pulse shaping factor is quantized into M bits, and M is a positive integer.

In addition, the first power adjustment value may also be a quantized result, for example, the first power adjustment value is quantized into N bits, and N is a positive integer.

For example, for the PUSCH (Physical Uplink Shared Channel) transmission of the user equipment, the first power adjustment value may be applied in the power control formula of each PRB, for example, the first power adjustment value is represented by Delta_P1. Specifically, as shown below,

In the formula (4), c denotes a carrier, and i denotes a subframe. P _PUSCH,c (i) represents the total transmit power of the user equipment on the primary serving cell carrier c, subframe i.

P _CMAX,c (i) represents the maximum transmit power of the user equipment on the primary serving cell carrier c.

M _PUSCH,c (i) represents the number of scheduling resource blocks on the PUSCH, and the unit is PRB.

P _{O_PUSCH,c} (j) includes P _{O_NOMINAL_PUSCH,c} (j) and P _{O_UE_PUSCH,c} (j), which are used to represent the target receiving power of the user equipment, and are configured by the higher layer RRC (Radio Resource Control) signaling. Semi-static configuration, where P _{O_NOMINAL_PUSCH,c} (j) is a cell-specific parameter, typically 8 bits (bits), semi-statically configured by RRC signaling, P _{O_UE_PUSCH, c} (j) being user-specific parameters.

α _c (j) is a path loss compensation factor, and the cell-specific parameter is generally 3 bits, which is also semi-statically configured by higher layer RRC signaling.

PL _c is the RSRP-based path loss measurement value of the user equipment.

It is a power adjustment value for different modulation and coding modes, and cell-specific parameters are semi-statically configured by higher layer RRC signaling.

Among them, EPRE indicates the energy efficiency per RE, that is, the transmission rate per RE. Ks is a high-level configuration of user equipment specific power control parameters related to modulation and coding.

It is a high-level configuration of power control parameters related to channel transmission content.

f _c (i) is the closed-loop power adjustment amount, which is the feedback value quantified by the user equipment according to the reception/measurement error.

In the embodiment of the present invention, the user equipment applies the first power adjustment value in the power control formula of each PRB, and there are several different manners.

Manner 1: As shown in the following formula (5), Delta_P1 is directly added to the formula for calculating the total transmit power of the user equipment on the primary serving cell carrier c, subframe i.

Manner 2: In the embodiment of the present invention, the first power adjustment value delta_P may also be reflected in other user-specific items of formula (4).

For example, the first power adjustment value can be applied or embodied in P _{O_UE_PUSCH,c} (j) as follows:

P _{O_UE_PUSCH,c} (j)=P _{O_UE_PUSCH,c} (j)+delta_P1 (6)

Optionally, the range of values of P _{O_UE_PUSCH,c} (j) may be extended to support a specific power adjustment value. As in the above example, the range of values of P _{O_UE_PUSCH,c} (j) can be extended from [-127,94] to [-130,97].

Or for example, the first power adjustment value can also be applied or embodied on f _c (i) as follows:

f _c (i)=f _c (i)+delta_P1 (7)

In summary, the user equipment adjusts its own transmit power according to the first power adjustment value, and may have different adjustment modes, which may be selected according to actual conditions, and is more flexible.

The device in the embodiment of the present invention will be described below with reference to the accompanying drawings.

Referring to FIG. 3, based on the same inventive concept, an embodiment of the present invention provides a network device, where the network device may include an obtaining module 301 and a first determining module 302.

The obtaining module 301 is configured to obtain a channel quality measurement result of the user equipment.

The first determining module 302 is configured to determine, according to the channel quality measurement result, a correspondence between the channel quality measurement result and the pulse shaping factor, a value of the first pulse shaping factor corresponding to the user equipment; A pulse shaping factor corresponds to the first power adjustment value.

Optionally, in the embodiment of the present invention, the obtaining module 301 is specifically configured to:

Obtaining, by the measurement of the measurement reference signal sent by the user equipment, a channel quality measurement result of the user equipment; or

And obtaining, according to the channel quality measurement result reported by the user equipment, a channel quality measurement result of the user equipment.

Optionally, in the embodiment of the present invention, the channel quality measurement result is at least one of RSRP, RSRQ, RSSI, and CQI.

Optionally, in the embodiment of the present invention, the network device further includes a second determining module and a sending module;

The second determining module is configured to measure, according to the channel quality, the first determining module 302 And determining a correspondence between the channel quality measurement result and the pulse shaping factor, determining a value of the first pulse shaping factor corresponding to the user equipment, and determining, according to a correspondence between the pulse shaping factor and the power adjustment value a first power adjustment value corresponding to the value of the first pulse shaping factor, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset;

The sending module is configured to send the first power adjustment value to the user equipment, where the first power adjustment value is used by the user equipment to adjust the transmission of the user equipment according to the first power adjustment value. power.

Optionally, in the embodiment of the present invention, the network device further includes the sending module, configured to:

After the first determining module 302 determines the value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor, a value of a pulse shaping factor is sent to the user equipment; the value of the first pulse shaping factor is used by the user equipment to determine and form the first pulse according to a correspondence between a pulse shaping factor and a power adjustment value. The first power adjustment value corresponding to the value of the factor, and adjusting the transmit power of the user equipment according to the first power adjustment value, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset.

Optionally, in the embodiment of the present invention, the network device further includes the second determining module, the adjusting module, and the sending module;

The second determining module is configured to determine, by the first determining module 302, a first pulse forming corresponding to the user equipment according to the channel quality measurement result, and a correspondence between a channel quality measurement result and a pulse shaping factor. After the value of the factor, determining a first power adjustment value corresponding to the value of the first pulse shaping factor according to a correspondence between the pulse shaping factor and the power adjustment value, wherein the pulse shaping factor and the power adjustment value are Correspondence is preset;

The adjusting module is configured to adjust, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment;

The sending module is configured to send a signal to the user equipment according to the adjusted transmit power.

Optionally, in the embodiment of the present invention, the adjusting module is specifically configured to:

Comparing the first power adjustment value with a power ratio for each resource unit of the user equipment Adding, a new power ratio for each resource unit of the user equipment is obtained.

Optionally, in the embodiment of the present invention, the value of the pulse shaping factor is quantized into M bits, and/or the first power adjustment value is quantized into N bits, where M and N are positive integers. .

Referring to FIG. 4, based on the same inventive concept, an embodiment of the present invention provides a user equipment, where the user equipment may include a determining module 401 and an adjusting module 402.

a determining module 401, configured to determine a first power adjustment value, where the first power adjustment value is obtained according to a value of a first pulse shaping factor and a correspondence between a pulse shaping factor and a power adjustment value, where the first The value of the pulse shaping factor is obtained according to the channel quality measurement result of the user equipment, and the correspondence between the channel quality measurement result and the pulse shaping factor; wherein, the correspondence between the pulse shaping factor and the power adjustment value Presetting, and the correspondence between the channel quality measurement result and the pulse shaping factor is preset;

The adjusting module 402 is configured to adjust a transmit power of the user equipment according to the first power adjustment value.

Optionally, in the embodiment of the present invention, the determining module 401 is specifically configured to: receive the first power adjustment value that is sent by the network device.

Optionally, in the embodiment of the present invention, the determining module 401 is specifically configured to:

Receiving a value of the first pulse shaping factor sent by the network device;

And determining the first power adjustment value according to a value of the first pulse shaping factor and a correspondence between the pulse shaping factor and a power adjustment value.

Optionally, in the embodiment of the present invention, the adjustment module 402 is specifically configured to:

Adjusting a total transmit power of the user equipment according to the first power adjustment value; or

And adjusting, according to the first power adjustment value, a transmit power of the user equipment on each PRB.

Optionally, in the embodiment of the present invention, the value of the first pulse shaping factor is quantized into M bits, and/or the first power adjustment value is quantized into N bits, where M and N are A positive integer.

Referring to FIG. 5, based on the same inventive concept, an embodiment of the present invention provides a network device, which may include a memory 501 and a processor 502 connected to the bus 500.

The memory 501 is configured to store an instruction required by the processor 502 to perform a task;

The processor 502 is configured to execute an instruction stored in the memory 501, obtain a channel quality measurement result of the user equipment, and determine, according to the channel quality measurement result, a correspondence between the channel quality measurement result and the pulse shaping factor, Determining a value of a first pulse shaping factor corresponding to the user equipment; the first pulse shaping factor corresponding to the first power adjustment value.

Optionally, in the embodiment of the present invention, the network device further includes a transceiver connected to the bus 500. The processor 502 is configured to obtain a channel quality measurement result of the user equipment, specifically:

Obtaining a channel quality measurement result of the user equipment by measuring the measurement reference signal sent by the user equipment and received by the user equipment; or

Obtaining a channel quality measurement result of the user equipment according to the channel quality measurement result reported by the user equipment and received by the user equipment.

Optionally, in the embodiment of the present invention, the channel quality measurement result is at least one of RSRP, RSRQ, RSSI, and CQI.

Optionally, in the embodiment of the present invention, the network device further includes the transceiver connected to the bus 500;

The processor 502 is further configured to: after determining a value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result, and a correspondence between the channel quality measurement result and the pulse shaping factor, according to the pulse Corresponding relationship between the shaping factor and the power adjustment value, determining a first power adjustment value corresponding to the value of the first pulse shaping factor, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset ;

The transceiver is configured to send the first power adjustment value to the user equipment, where the first power adjustment value is used by the user equipment to adjust a transmit power of the user equipment according to the first power adjustment value. .

Optionally, in the embodiment of the present invention, the network device further includes the transceiver connected to the bus 500; the transceiver is configured to:

After the processor 502 determines the value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor, the first pulse is Sending a value of a shaping factor to the user equipment; the first pulse The value of the punching factor is used by the user equipment to determine a first power adjustment value corresponding to the value of the first pulse shaping factor according to a correspondence between a pulse shaping factor and a power adjustment value, and according to the first The power adjustment value adjusts a transmit power of the user equipment, wherein a correspondence between the pulse shaping factor and a power adjustment value is preset.

Optionally, in the embodiment of the present invention, the network device further includes the transceiver connected to the bus 500; the processor 502 is further configured to:

After determining the value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor, according to the pulse shaping factor and the power adjustment value a first power adjustment value corresponding to the value of the first pulse shaping factor, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset;

Adjusting, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment;

Transmitting a signal to the user equipment through the transceiver according to the adjusted transmit power.

Optionally, in the embodiment of the present invention, the processor 502 is further configured to: according to the first power adjustment value, adjust a transmit power of the network device when transmitting a signal to the user equipment, specifically:

Adding the first power adjustment value to a power ratio for each resource unit of the user equipment results in a new power ratio for each resource unit of the user equipment.

Optionally, in the embodiment of the present invention, the value of the first pulse shaping factor is quantized into M bits, and/or the first power adjustment value is quantized into N bits, where M and N are A positive integer.

Referring to FIG. 6 , based on the same inventive concept, an embodiment of the present invention provides a user equipment, where the user equipment may include a memory 601 and a processor 602 connected to the bus 600.

a memory 601, configured to store instructions required by the processor 602 to perform a task;

The processor 602 is configured to execute an instruction stored in the memory 601 to determine a first power adjustment value, where the first power adjustment value is a value according to a first pulse shaping factor and a correspondence between a pulse shaping factor and a power adjustment value. Obtaining, the value of the first pulse shaping factor is based on a channel quality measurement result of the user equipment, and a pair between a channel quality measurement result and a pulse shaping factor Correspondingly, the correspondence between the pulse shaping factor and the power adjustment value is preset, and the correspondence between the channel quality measurement result and the pulse shaping factor is preset; and Adjusting a transmit power of the user equipment according to the first power adjustment value.

Optionally, in the embodiment of the present invention, the user equipment further includes a transceiver connected to the bus 600. The processor 602 is configured to determine a first power adjustment value, where the receiver sends the network device to receive the The first power adjustment value is described.

Optionally, in the embodiment of the present invention, the user equipment further includes a transceiver connected to the bus 600. The processor 602 is configured to determine a first power adjustment value, specifically:

Receiving, by the transceiver, a value of the first pulse shaping factor sent by the network device;

And determining the first power adjustment value according to a value of the first pulse shaping factor and a correspondence between the pulse shaping factor and a power adjustment value.

Optionally, in the embodiment of the present invention, the processor 602 is configured to adjust, according to the first power adjustment value, a transmit power of the user equipment, specifically:

Adjusting a total transmit power of the user equipment according to the first power adjustment value; or

And adjusting, according to the first power adjustment value, a transmit power of the user equipment on each PRB.

Optionally, in the embodiment of the present invention, the value of the first pulse shaping factor is quantized into M bits, and/or the first power adjustment value is quantized into N bits, where M and N are A positive integer.

In the embodiment of the present invention, since the principle and the processing method of the device and the foregoing transmit power adjustment method are similar, the implementation of the device may refer to the implementation of the method, and the device side does not describe it.

In the embodiment of the present invention, the network device may determine the value of the pulse shaping factor corresponding to the user equipment by using the acquired channel quality measurement result of the user equipment, and the corresponding relationship between the preset channel quality measurement result and the pulse shaping factor. And further determining, according to the determined value of the pulse shaping factor, the adjustment value of the corresponding transmitting power of the transmitting end, so that the transmitting power of the corresponding transmitting end can be adjusted according to the determined adjustment value of the transmitting power, and the transmitting end can refer to the user equipment. The network device can also be referred to, that is, the transmit power of the corresponding transmitter can be adjusted according to the actual situation of the user equipment. For example, if the channel quality of the user equipment is poor, the corresponding transmit power of the user equipment can be increased, so that the signal is as far as possible. Can be sent to the receiving end in consideration of attenuation, improve The coverage of the cell, for example, if the channel quality of the user equipment is good, the transmit power corresponding to the user equipment may not be adjusted, or the corresponding transmit power of the user equipment may be correspondingly reduced, so as to ensure the coverage. The system power consumption can be minimized.

In the embodiment of the present invention, the PAPR is reduced by the pulse shaping technology, and the adjustment value of the transmission power is determined by the value of the pulse shaping factor, and the transmission power can be adjusted, which not only can improve the transmission power of the transmitting end as much as possible, but also You can also try to keep the PAPR low.

It will be clearly understood by those skilled in the art that for the convenience and brevity of the description, only the division of each functional unit described above is exemplified. In practical applications, the above function assignment can be completed by different functional units as needed. The internal structure of the device is divided into different functional units to perform all or part of the functions described above. For the specific working process of the system, the device and the unit described above, reference may be made to the corresponding process in the foregoing method embodiments, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit or unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be used. Combinations can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit is implemented in the form of a software functional unit and sold as a standalone product Or when used, it can be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application, in essence or the contribution to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods described in various embodiments of the present application. The foregoing storage medium includes: a U disk, a mobile hard disk, a ROM (Read-Only Memory), a RAM (Random Access Memory), a disk or an optical disk, and the like, which can store program codes. .

The above embodiments are only used to describe the technical solutions of the present application in detail, but the description of the above embodiments is only for helping to understand the method and the core idea of the present invention, and should not be construed as limiting the present invention. Those skilled in the art will be able to devise variations or alternatives within the scope of the present invention within the scope of the present invention.

Claims (30)

1. A method for adjusting a transmission power, comprising:

   The network device acquires a channel quality measurement result of the user equipment;

   Determining, by the network device, a value of a first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result, and a correspondence between a channel quality measurement result and a pulse shaping factor; the first pulse shaping factor Corresponding to the first power adjustment value.
2. The method of claim 1, wherein the network device obtains channel quality measurement results of the user equipment, including:

   Obtaining, by the network device, a channel quality measurement result of the user equipment by using a measurement of a measurement reference signal sent by the user equipment; or

   The network device obtains a channel quality measurement result of the user equipment according to the channel quality measurement result reported by the user equipment.
3. The method according to claim 1 or 2, wherein the network device determines to correspond to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor. After the value of the first pulse shaping factor, it also includes:

   Determining, by the network device, a first power adjustment value corresponding to a value of the first pulse shaping factor according to a correspondence between a pulse shaping factor and a power adjustment value, wherein the pulse shaping factor and the power adjustment value are The correspondence is preset;

   The network device sends the first power adjustment value to the user equipment; the first power adjustment value is used by the user equipment to adjust a transmit power of the user equipment according to the first power adjustment value.
4. The method according to claim 1 or 2, wherein the network device determines to correspond to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor. After the value of the first pulse shaping factor, it also includes:

   Transmitting, by the network device, a value of the first pulse shaping factor to the user equipment; a value of the first pulse shaping factor is used by the user equipment according to a pulse shaping factor and a power adjustment value Corresponding relationship, determining a first power adjustment value corresponding to the value of the first pulse shaping factor, and adjusting a transmit power of the user equipment according to the first power adjustment value, where the pulse shaping factor and the power adjustment value The correspondence between the two is preset.
5. The method according to claim 1 or 2, wherein the network device determines to correspond to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor. After the value of the first pulse shaping factor, it also includes:

   Determining, by the network device, a first power adjustment value corresponding to a value of the first pulse shaping factor according to a correspondence between a pulse shaping factor and a power adjustment value; wherein the pulse shaping factor and the power adjustment value are between The correspondence is preset;

   The network device adjusts, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment;

   The network device sends a signal to the user equipment according to the adjusted transmit power.
6. The method according to claim 5, wherein the adjusting, by the network device, the transmit power of the network device when transmitting a signal to the user equipment according to the first power adjustment value comprises:

   The network device adds the first power adjustment value to a power ratio for each resource unit of the user equipment to obtain a new power ratio for each resource unit of the user equipment.
7. A method for adjusting a transmission power, comprising:

   Determining, by the user equipment, a first power adjustment value, where the first power adjustment value is obtained according to a value of a first pulse shaping factor and a correspondence between a pulse shaping factor and a power adjustment value, where the first pulse shaping factor is The value is obtained according to the channel quality measurement result of the user equipment, and the correspondence between the channel quality measurement result and the pulse shaping factor; wherein, the correspondence between the pulse shaping factor and the power adjustment value is preset And, the correspondence between the channel quality measurement result and the pulse shaping factor is preset;

   The user equipment adjusts a transmit power of the user equipment according to the first power adjustment value.
8. The method of claim 7, wherein the determining, by the user equipment, the first power adjustment value comprises:

   The user equipment receives the first power adjustment value sent by the network device.
9. The method of claim 7, wherein the determining, by the user equipment, the first power adjustment value comprises:

   Receiving, by the user equipment, a value of the first pulse shaping factor sent by the network device;

   The user equipment determines the first power adjustment value according to a value of the first pulse shaping factor and a correspondence between the pulse shaping factor and a power adjustment value.
10. The method according to any one of claims 7-9, wherein the user equipment adjusts the transmit power of the user equipment according to the first power adjustment value, including:

    The user equipment adjusts a total transmit power of the user equipment according to the first power adjustment value; or

    The user equipment adjusts a transmit power of the user equipment on each physical resource block PRB according to the first power adjustment value.
11. A network device, comprising:

    An obtaining module, configured to obtain a channel quality measurement result of the user equipment;

    a first determining module, configured to determine a value of a first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result, and a correspondence between a channel quality measurement result and a pulse shaping factor; The pulse shaping factor corresponds to the first power adjustment value.
12. The network device according to claim 11, wherein the obtaining module is specifically configured to:

    Obtaining, by the measurement of the measurement reference signal sent by the user equipment, a channel quality measurement result of the user equipment; or

    And obtaining, according to the channel quality measurement result reported by the user equipment, a channel quality measurement result of the user equipment.
13. The network device according to claim 11 or 12, wherein the network device further comprises a second determining module and a sending module;

    The second determining module is configured to determine, at the first determining module, the user equipment according to the channel quality measurement result, and a correspondence between a channel quality measurement result and a pulse shaping factor After determining a value of the corresponding first pulse shaping factor, determining a first power adjustment value corresponding to the value of the first pulse shaping factor according to a correspondence between the pulse shaping factor and the power adjustment value, wherein the pulse shaping factor The correspondence relationship with the power adjustment value is preset;

    The sending module is configured to send the first power adjustment value to the user equipment, where the first power adjustment value is used by the user equipment to adjust the transmission of the user equipment according to the first power adjustment value. power.
14. The network device according to claim 11 or 12, wherein the network device further comprises a sending module, configured to:

    After the first determining module determines the value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result, and the correspondence between the channel quality measurement result and the pulse shaping factor, Transmitting a value of the first pulse shaping factor to the user equipment; the value of the first pulse shaping factor is used by the user equipment to determine the first pulse according to a correspondence between a pulse shaping factor and a power adjustment value The first power adjustment value corresponding to the value of the shaping factor, and adjusting the transmission power of the user equipment according to the first power adjustment value, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset.
15. The network device according to claim 11 or 12, wherein the network device further comprises a second determining module, an adjusting module, and a sending module;

    The second determining module is configured to determine, at the first determining module, a first pulse corresponding to the user equipment according to the channel quality measurement result, and a correspondence between a channel quality measurement result and a pulse shaping factor After determining the value of the shaping factor, determining a first power adjustment value corresponding to the value of the first pulse shaping factor according to a correspondence between the pulse shaping factor and the power adjustment value, wherein the pulse shaping factor and the power adjustment value are The correspondence between the two is preset;

    The adjusting module is configured to adjust, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment;

    The sending module is configured to send a signal to the user equipment according to the adjusted transmit power.
16. The network device according to claim 15, wherein the adjustment module is specifically configured to:

    Adding the first power adjustment value to a power ratio for each resource unit of the user equipment results in a new power ratio for each resource unit of the user equipment.
17. A user equipment, comprising:

    a determining module, configured to determine a first power adjustment value; the first power adjustment value is obtained according to a value of a first pulse shaping factor and a correspondence between a pulse shaping factor and a power adjustment value, the first pulse The value of the shaping factor is obtained according to the channel quality measurement result of the user equipment, and the correspondence between the channel quality measurement result and the pulse shaping factor; wherein the correspondence between the pulse shaping factor and the power adjustment value is Presetting, and the correspondence between the channel quality measurement result and the pulse shaping factor is preset;

    And an adjusting module, configured to adjust, according to the first power adjustment value, a transmit power of the user equipment.
18. The user equipment of claim 17, wherein the determining module is specifically configured to:

    Receiving the first power adjustment value sent by the network device.
19. The user equipment of claim 17, wherein the determining module is specifically configured to:

    Receiving a value of the first pulse shaping factor sent by the network device;

    And determining the first power adjustment value according to a value of the first pulse shaping factor and a correspondence between the pulse shaping factor and a power adjustment value.
20. The user equipment according to any one of claims 17 to 19, wherein the adjustment module is specifically configured to:

    Adjusting a total transmit power of the user equipment according to the first power adjustment value; or

    And adjusting, according to the first power adjustment value, a transmit power of the user equipment on each physical resource block PRB.
21. A network device, comprising: a memory and a processor connected to the same bus;

    The memory is configured to store an instruction;

    The processor is configured to execute the instruction, obtain a channel quality measurement result of the user equipment, and determine, according to the channel quality measurement result, a correspondence between the channel quality measurement result and a pulse shaping factor, a value of a first pulse shaping factor corresponding to the user equipment; the first pulse is The shape factor corresponds to the first power adjustment value.
22. The network device according to claim 21, wherein the network device further comprises a transceiver connected to the bus; the processor is configured to obtain a channel quality measurement result of the user equipment, specifically:

    Obtaining a channel quality measurement result of the user equipment by measuring the measurement reference signal sent by the user equipment and received by the user equipment; or

    Obtaining a channel quality measurement result of the user equipment according to the channel quality measurement result reported by the user equipment and received by the user equipment.
23. A network device according to claim 21 or 22, wherein said network device further comprises a transceiver coupled to said bus;

    The processor is further configured to: after determining a value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result, and a correspondence between the channel quality measurement result and the pulse shaping factor, according to Corresponding relationship between the pulse shaping factor and the power adjustment value, determining a first power adjustment value corresponding to the value of the first pulse shaping factor, wherein a correspondence between the pulse shaping factor and the power adjustment value is a preset of;

    The transceiver is configured to send the first power adjustment value to the user equipment, where the first power adjustment value is used by the user equipment to adjust a transmit power of the user equipment according to the first power adjustment value. .
24. A network device according to claim 21 or 22, wherein said network device further comprises a transceiver coupled to said bus; said transceiver is for:

    After the processor determines the value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor, the first Transmitting a value of the pulse shaping factor to the user equipment; the value of the first pulse shaping factor is used by the user equipment to determine the first pulse shaping factor according to a correspondence between a pulse shaping factor and a power adjustment value a value corresponding to the first power adjustment value, and adjusting a transmit power of the user equipment according to the first power adjustment value, where the pulse shaping factor and the power adjustment value The correspondence between the two is preset.
25. The network device according to claim 21 or 22, wherein the network device further comprises a transceiver connected to the bus; the processor is further configured to:

    After determining the value of the first pulse shaping factor corresponding to the user equipment according to the channel quality measurement result and the correspondence between the channel quality measurement result and the pulse shaping factor, according to the pulse shaping factor and the power adjustment value a first power adjustment value corresponding to the value of the first pulse shaping factor, wherein a correspondence between the pulse shaping factor and the power adjustment value is preset;

    Adjusting, according to the first power adjustment value, a transmit power of the network device when transmitting a signal to the user equipment;

    Transmitting a signal to the user equipment through the transceiver according to the adjusted transmit power.
26. The network device according to claim 25, wherein the processor is further configured to: according to the first power adjustment value, adjust a transmit power of the network device when transmitting a signal to the user equipment, specifically:

    Adding the first power adjustment value to a power ratio for each resource unit of the user equipment results in a new power ratio for each resource unit of the user equipment.
27. A user equipment, comprising: a memory and a processor connected to the same bus;

    The memory is configured to store an instruction;

    The processor is configured to execute the instruction to determine a first power adjustment value, where the first power adjustment value is obtained according to a value of a first pulse shaping factor and a correspondence between a pulse shaping factor and a power adjustment value. The value of the first pulse shaping factor is obtained according to a channel quality measurement result of the user equipment, and a correspondence between a channel quality measurement result and a pulse shaping factor; wherein the pulse shaping factor and power adjustment Corresponding relationship between the values is preset, and the correspondence between the channel quality measurement result and the pulse shaping factor is preset; and adjusting the transmission of the user equipment according to the first power adjustment value power.
28. The user equipment according to claim 27, wherein said user equipment further comprises a transceiver connected to the bus; the processor is configured to determine a first power adjustment value, specifically:

    Receiving, by the transceiver, the first power adjustment value sent by the network device.
29. The user equipment of claim 27, wherein the user equipment further comprises a transceiver connected to the bus; the processor is configured to determine a first power adjustment value, specifically:

    Receiving, by the transceiver, a value of the first pulse shaping factor sent by the network device;

    And determining the first power adjustment value according to a value of the first pulse shaping factor and a correspondence between the pulse shaping factor and a power adjustment value.
30. The user equipment according to any one of claims 27 to 29, wherein the processor is configured to adjust a transmit power of the user equipment according to the first power adjustment value, specifically:

    Adjusting a total transmit power of the user equipment according to the first power adjustment value; or

    And adjusting, according to the first power adjustment value, a transmit power of the user equipment on each physical resource block PRB.

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