CN114126022B - Method, device, equipment and storage medium for adjusting transmitting power - Google Patents
Method, device, equipment and storage medium for adjusting transmitting power Download PDFInfo
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- CN114126022B CN114126022B CN202010896207.7A CN202010896207A CN114126022B CN 114126022 B CN114126022 B CN 114126022B CN 202010896207 A CN202010896207 A CN 202010896207A CN 114126022 B CN114126022 B CN 114126022B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a method, a device, equipment and a storage medium for adjusting transmitting power, which are applied to a terminal, wherein the method comprises the following steps: identifying a target uplink scheduling with a low-order modulation coding mode and a scheduling bandwidth lower than a preset scheduling bandwidth; and adjusting the uplink transmitting power of the terminal according to the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling. The embodiment of the invention can effectively improve the uplink coverage capability of the terminal.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a method, a device, equipment and a storage medium for adjusting transmitting power.
Background
A Single-carrier frequency division multiple access (Single-carrier Frequency-Division Multiple Access, SC-FDMA) modulation mode is adopted for the long-term evolution (Long Term Evolution, LTE) uplink signal, and the power amplifier works in an approximately linear state; however, LTE is a wideband system, and when the signal bandwidth is large and the modulation order is high, the degradation of the modulation signal and adjacent channel interference caused by the nonlinearity of the power amplifier increase. Therefore, to avoid a series of problems caused by the excessive power that causes the power amplifier to operate in the nonlinear region, the third generation partnership project (3rd Generation Partnership Project,3GPP) protocol limits the maximum transmit power of the terminals of the generic LTE system.
Since the maximum transmission power of the terminal of the LTE system is limited, uplink (i.e., a physical channel in which the terminal communicates with the base station) is limited due to the low transmission power of the terminal. However, for the terminal of the LTE system, if the maximum transmission power is directly increased, the nonlinear modulation of the power amplifier in some scenarios may directly affect the important radio frequency index and radio frequency performance such as the error vector magnitude (Error Vector Magnitude, EVM), the adjacent channel leakage ratio (Adjacent Channel Leakage Ratio, ACLR); if the maximum transmit power is not increased, the coverage capability of the LTE system with respect to the narrowband system will be a significant disadvantage when carrying small bandwidth traffic.
Therefore, in the prior art, the uplink coverage capability of the terminal cannot be effectively improved.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a storage medium for adjusting transmitting power, so as to effectively improve the uplink coverage capability of a terminal.
In a first aspect, an embodiment of the present invention provides a method for adjusting transmission power, which is applied to a terminal, where the method includes:
identifying a target uplink scheduling with a low-order modulation coding mode and a scheduling bandwidth lower than a preset scheduling bandwidth;
and adjusting the uplink transmitting power of the terminal according to the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling.
In one possible design, the identifying the target uplink schedule using the low-order modulation coding scheme and the scheduling bandwidth being lower than the preset scheduling bandwidth includes:
a medium access control sub-layer protocol (MAC) layer in the terminal acquires an adjustment coding mode and a scheduling bandwidth adopted by each uplink scheduling;
aiming at each uplink scheduling, if the adjustment coding mode is a low-order modulation coding mode and the scheduling bandwidth is lower than a preset scheduling bandwidth, determining the uplink scheduling as target uplink scheduling;
the target uplink scheduling is one-time uplink scheduling meeting the adjustable transmitting power condition.
In one possible design, the low-order modulation coding mode is a quadrature phase shift keying QPSK modulation mode; the adjusting the uplink transmitting power of the terminal according to the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling comprises the following steps:
determining a transmitting power increment value according to a QPSK modulation mode adopted in the target uplink scheduling and the minimum unit RB number of the scheduling data transmission resource allocation of one scheduling subframe corresponding to the scheduling bandwidth;
and according to the transmission power increment value, adjusting the uplink transmission power upper limit value corresponding to the terminal into an enhanced transmission power upper limit value, wherein the enhanced transmission power upper limit value is larger than the uplink transmission power upper limit value.
In one possible design, after the adjusting the uplink transmit power of the terminal, the method further includes:
acquiring the temperature of the whole machine of the terminal;
and determining whether to adjust the current uplink transmitting power according to the temperature of the whole machine and the preset shutdown temperature.
In one possible design, the determining whether to adjust the current uplink transmission power according to the overall machine temperature and a preset shutdown temperature includes:
when the temperature of the whole machine is larger than a preset shutdown temperature or the difference value between the preset shutdown temperature and the temperature of the whole machine is smaller than a first difference value, the current uplink transmission power is adjusted to be an uplink transmission power upper limit value;
when the temperature of the whole machine is smaller than a preset shutdown temperature and the difference value between the preset shutdown temperature and the temperature of the whole machine is larger than a second difference value, the current transmitting power is maintained;
wherein the second difference is greater than or equal to the first difference.
In a second aspect, an embodiment of the present invention provides an apparatus for adjusting transmission power, which is applied to a terminal, where the apparatus includes:
the target uplink scheduling identification module is used for identifying target uplink scheduling adopting a low-order modulation coding mode and having a scheduling bandwidth lower than a preset scheduling bandwidth;
and the transmitting power adjusting module is used for adjusting the uplink transmitting power of the terminal according to the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling.
In one possible design, the target uplink scheduling identification module is specifically configured to:
a medium access control sub-layer protocol (MAC) layer in the terminal acquires an adjustment coding mode and a scheduling bandwidth adopted by each uplink scheduling;
aiming at each uplink scheduling, if the adjustment coding mode is a low-order modulation coding mode and the scheduling bandwidth is lower than a preset scheduling bandwidth, determining the uplink scheduling as target uplink scheduling;
the target uplink scheduling is one-time uplink scheduling meeting the adjustable transmitting power condition.
In one possible design, the low-order modulation coding mode is a quadrature phase shift keying QPSK modulation mode; the transmitting power adjusting module is specifically configured to:
determining a transmitting power increment value according to a QPSK modulation mode adopted in the target uplink scheduling and the minimum unit RB number of the scheduling data transmission resource allocation of one scheduling subframe corresponding to the scheduling bandwidth;
and according to the transmission power increment value, adjusting the uplink transmission power upper limit value corresponding to the terminal into an enhanced transmission power upper limit value, wherein the enhanced transmission power upper limit value is larger than the uplink transmission power upper limit value.
In one possible design, the apparatus further comprises: a temperature monitoring module; the temperature monitoring module is used for acquiring the whole machine temperature of the terminal after the uplink transmitting power of the terminal is adjusted;
and determining whether to adjust the current uplink transmitting power according to the temperature of the whole machine and the preset shutdown temperature.
In one possible design, the temperature monitoring module is specifically configured to:
when the temperature of the whole machine is larger than a preset shutdown temperature or the difference value between the preset shutdown temperature and the temperature of the whole machine is smaller than a first difference value, the current uplink transmission power is adjusted to be an uplink transmission power upper limit value;
when the temperature of the whole machine is smaller than a preset shutdown temperature and the difference value between the preset shutdown temperature and the temperature of the whole machine is larger than a second difference value, the current transmitting power is maintained;
wherein the second difference is greater than or equal to the first difference.
In a third aspect, an embodiment of the present invention provides an apparatus for adjusting transmission power, including: at least one LTE modem and memory;
the memory stores computer-executable instructions;
the at least one LTE modem executing the memory-stored computer-executable instructions causes the at least one LTE modem to perform the method of adjusting transmit power of any one of the first aspects.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where computer-executable instructions are stored, when executed by an LTE modem, to implement a method for adjusting transmit power according to any one of the first aspects.
According to the method, the device, the equipment and the storage medium for adjusting the transmitting power, the target uplink scheduling with the low-order modulation coding mode and the scheduling bandwidth lower than the preset scheduling bandwidth is identified, and under the target uplink scheduling scene, the uplink transmitting power of the terminal under the target uplink scheduling scene is reasonably adjusted based on the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling, so that the uplink coverage capability of the terminal is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a flowchart of a method for adjusting transmit power according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for adjusting transmit power according to another embodiment of the present invention;
fig. 3 is a flowchart of a method for adjusting transmit power according to still another embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for adjusting transmit power according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of an apparatus for adjusting transmit power according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The LTE uplink signal adopts an SC-FDMA modulation mode, and the power amplifier works in an approximately linear state. However, LTE is a wideband system, and when the signal bandwidth is large and the modulation order is high, the degradation of the modulation signal and adjacent channel interference caused by the nonlinearity of the power amplifier increase. In order to avoid a series of problems caused by the fact that the power amplifier works in a nonlinear region due to overlarge power, the maximum power upper limit of the 3GPP protocol on the general LTE terminal is about 23dBm, and the fluctuation range of a plurality of frequency bands is +/-2 dB. And the 3GPP protocol defines a maximum power reduction (Maximum Power Reduction, MPR) that allows the power of the terminal to be reduced while allowing for large bandwidths and higher order modes.
Since the maximum transmission power of the terminal of the LTE system is limited, uplink (i.e., a physical channel in which the terminal communicates with the base station) is limited due to the low transmission power of the terminal. Particularly, for voice (trunked voice) service which can be carried by both broadband and narrowband, because in a narrowband system, the uplink transmission of a terminal generally adopts constant envelope modulation, so that the power amplifier can work in a saturated state, and the transmitting power can be generally above 30 dBm. Thus, when broadband LTE carries narrowband traffic, coverage is a significant disadvantage relative to narrowband systems. However, for the terminal of the LTE system, if the maximum transmission power is directly increased, the nonlinear modulation of the power amplifier in some scenarios may directly affect the important radio frequency index and radio frequency performance such as the error vector magnitude (Error Vector Magnitude, EVM), the adjacent channel leakage ratio (Adjacent Channel Leakage Ratio, ACLR); if the maximum transmit power is not increased, the coverage capability of the LTE system with respect to the narrowband system will be a significant disadvantage when carrying small bandwidth traffic. Therefore, in the prior art, the uplink coverage capability of the terminal cannot be effectively improved.
In order to solve the above problems, the technical concept of the present invention is that the uplink scheduling of the MAC layer of the terminal adopts a low-order modulation mode and when the bandwidth of the scheduling is small, in this case, on the premise of not significantly affecting the radio frequency index, the uplink transmitting power is properly increased, so that the key radio frequency index such as EVM, ACLR, and spurious still can meet the performance index required by the protocol, so that the purpose of increasing the uplink coverage is achieved by increasing the limit of the maximum transmitting power of the terminal under the scheduling scene of screening and identifying the low-order modulation mode and being lower than a certain scheduling bandwidth.
The technical scheme of the invention is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
Fig. 1 is a flowchart of a method for adjusting transmission power according to an embodiment of the present invention, where an execution body in the method of the present embodiment may be a terminal, for example, a terminal of an LTE system (or an LTE terminal). For ease of understanding, the following will be referred to as LTE terminals, where the LTE terminals may be LTE-enabled handsets, LTE-enabled data cards (the data cards may include wireless network cards), and so on.
As shown in fig. 1, the method for adjusting the transmission power may include:
s101, identifying target uplink scheduling adopting a low-order modulation coding mode and having a scheduling bandwidth lower than a preset scheduling bandwidth.
In this embodiment, in the LTE protocol, whether power can be increased or not for some small bandwidth scheduling scenarios, and the 3GPP protocol does not make explicit description and provision. In practical application, when some service scenarios are adopted, the uplink scheduling of the MAC layer of the terminal adopts a low-order modulation mode and the bandwidth of the scheduling is smaller, in this case, on the premise that the radio frequency index is not significantly affected, the uplink transmitting power can be properly increased, so that the key radio frequency index such as EVM, ACLR and spurious can still meet the performance index required by the protocol. Therefore, the terminal can identify and screen out the low-order modulation mode and the scheduling scene lower than a certain scheduling bandwidth, namely the target uplink scheduling scene, in the uplink scheduling of the MAC layer. The target uplink scheduling refers to primary uplink scheduling adopting a low-order modulation coding mode and having a scheduling bandwidth lower than a preset scheduling bandwidth. The low-order modulation coding scheme may be used to represent a modulation coding scheme with a frequency lower than a predetermined frequency.
Where bandwidth generally refers to the bandwidth occupied by a signal; when used to describe a channel, bandwidth refers to the maximum bandwidth of a signal that can effectively pass through the channel. For analog signals, the bandwidth is also referred to as bandwidth, in hertz (Hz).
S102, adjusting the uplink transmitting power of the terminal according to the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling.
In this embodiment, in screening and identifying a low-order modulation mode and a scheduling scene lower than a certain scheduling bandwidth, the purpose of improving uplink coverage can be achieved by improving the limit of the maximum transmission power of the terminal.
The low-order modulation scheme may include a quadrature phase shift keying (Quadrature Phase Shift Keying, QPSK) modulation scheme, which is a digital modulation scheme. The scheduling bandwidth may be used to represent the number of scheduled RBs, which allocate the smallest unit for data transmission resources (physical layer), i.e., 12 subcarriers consecutively in frequency, one slot in time domain, referred to as 1 RB.
Specifically, in the identified target uplink scheduling scene, according to the QPSK modulation mode and the scheduling RB number adopted in the target uplink scheduling, the uplink transmission power of the terminal is adjusted according to the requirement of the transmission power controlled by power, so that the uplink coverage capacity of the terminal is effectively improved.
According to the method for adjusting the transmitting power, the target uplink scheduling with the low-order modulation coding mode and the scheduling bandwidth lower than the preset scheduling bandwidth is identified, and in the target uplink scheduling scene, the uplink transmitting power of the terminal in the target uplink scheduling scene is reasonably adjusted based on the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling, so that the uplink coverage capability of the terminal is effectively improved.
In one possible design, referring to fig. 2, fig. 2 is a flow chart of a method for adjusting transmit power according to another embodiment of the present invention, and the embodiment is based on the above embodiment, details of S101 are described. The identifying the target uplink scheduling adopting the low-order modulation coding mode and having the scheduling bandwidth lower than the preset scheduling bandwidth may include:
s201, a medium access control sub-layer protocol (MAC) layer in the terminal acquires an adjustment coding mode and a scheduling bandwidth adopted by each uplink scheduling.
S202, aiming at the condition that in each uplink scheduling, if the adjustment coding mode is a low-order modulation coding mode and the scheduling bandwidth is lower than a preset scheduling bandwidth, determining the uplink scheduling as target uplink scheduling.
The target uplink scheduling is one-time uplink scheduling meeting the adjustable transmitting power condition.
In this embodiment, the MAC layer of the medium access control sublayer protocol performs the addressing mode and the frame identification function under the support of the LLC layer, and when some service scenarios exist, the uplink scheduling of the MAC layer of the terminal uses the low-order modulation coding mode and the primary uplink scheduling with the scheduling bandwidth lower than the preset scheduling bandwidth as the target uplink scheduling, and the corresponding target uplink scheduling in the scenarios is the primary uplink scheduling meeting the adjustable transmission power condition. After the target uplink scheduling is identified and screened, the low-order modulation coding mode adopted in the target uplink scheduling and the specific scheduling RB number corresponding to the scheduling bandwidth are obtained, and then the uplink transmitting power upper limit value of the terminal is improved based on the low-order modulation coding mode and the specific scheduling RB number corresponding to the scheduling bandwidth.
In one possible design, referring to fig. 3, fig. 3 is a flowchart illustrating a method for adjusting transmit power according to still another embodiment of the present invention, where S102 is described in detail based on the above embodiment, for example, based on the embodiment described in fig. 1. The adjusting the uplink transmitting power of the terminal according to the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling may include:
s301, determining a transmitting power increment value according to a QPSK modulation mode adopted in the target uplink scheduling and the minimum unit RB number allocated to the scheduling data transmission resource of one scheduling subframe corresponding to the scheduling bandwidth.
And S301, according to the transmission power increment value, adjusting the uplink transmission power upper limit value corresponding to the terminal to be an enhanced transmission power upper limit value, wherein the enhanced transmission power upper limit value is larger than the uplink transmission power upper limit value.
Wherein one radio frame is divided into 10 subframes (that is, 1ms per subframe). In LTE, one subframe is 1ms, and the scheduler schedules every 1ms from the scheduling point of view.
In this embodiment, different modulation modes and different scheduling bandwidths correspond to different transmission power increment values, so that the transmission power increment value needs to be determined according to a specific scenario, and the sum of the uplink transmission power upper limit value and the transmission power increment value corresponding to the terminal can be used as the enhanced transmission power upper limit value.
For example, the handheld terminal implementing the enhanced transmission power upper limit adjustment takes 1 subframe as a judging period: if the current uplink scheduling subframe of the MAC layer of the terminal meets the following conditions: the modulation coding mode (Modulation and Coding Scheme, MCS mode) adopts QPSK, the number of the scheduling RBs is less than or equal to 3, the maximum value of the uplink transmission power of the uplink subframe is not limited to 23dBm according to the transmission power requirement of power control, and can be increased to 27dBm, so that the transmission power of 4dB is increased at the cell edge, and the purpose of increasing coverage is achieved.
If the current uplink scheduling subframe meets the following conditions: the modulation coding mode (MCS mode) adopts QPSK, the number of the scheduling RBs is less than or equal to 4, and the maximum uplink transmission power of the uplink subframe is not limited to 23dBm and can be increased to 25dBm according to the transmission power requirement of power control, so that the transmission power of 2dB is increased at the cell edge, and the purpose of increasing coverage is achieved.
Similarly, different modulation bandwidths and different modulation coding modes can be set, and corresponding different transmission power lifting combinations can be used for improving coverage capacity within the range that the radio frequency index meets normal use conditions. The combination of the scheduling bandwidth and the modulation code is not particularly limited herein.
In practical applications, the method for adjusting the transmission power may be applied to control signaling: the uplink control signaling is smaller in data packet, lower in sending frequency and smaller in scheduling bandwidth, the adaptive modulation and coding at a far point can select low-order modulation, and retransmission is carried out for a certain number of times, and the conditions of the uplink control signaling are matched with the conditions of adjustable uplink transmission power in the embodiment, so that the method can identify the data scheduling of the signaling surface, and the signaling surface coverage level is improved by adopting higher-power transmission.
The method for adjusting the transmitting power is also suitable for packet data service reported by a trunking voice service and a heartbeat/geographic information system (Geographic Information System or Geo-Information system, GIS): for trunked speech, it is usually a 20 ms-periodic speech packet of 12.2kbps, and one speech packet occupies 2 to 5 RBs according to the modulation scheme. If a voice packet slicing technology of the trunking voice is combined, a voice packet is divided into a plurality of pieces and dispersed in different subframes, the number of RBs in one subframe is generally not more than 3, and the method is also suitable for the above screening condition of adjustable uplink transmitting power. Therefore, the method can identify the dispatching of the trunking voice or small packet data service, and adopts higher power transmission, thereby improving the coverage level of the trunking voice or small packet data service.
In one possible design, referring to fig. 4, fig. 4 is a flow chart of a method for adjusting transmission power according to another embodiment of the present invention, and the method for adjusting transmission power according to this embodiment is described in detail on the basis of the foregoing embodiment. The method may further comprise:
s401, after the uplink transmitting power of the terminal is adjusted, the temperature of the whole machine of the terminal is obtained.
S402, determining whether to adjust the current uplink transmitting power according to the temperature of the whole machine and the preset shutdown temperature.
In this embodiment, in order to control the temperature rise caused by the increase of the emission power, the terminal is required to monitor and control the temperature of the whole machine, and monitor the temperature rise. Specifically, the temperature of the whole machine is compared with a preset shutdown temperature, and the current uplink transmitting power is timely adjusted according to the comparison result.
In one possible design, how to determine whether to adjust the current uplink transmission power according to the complete machine temperature and the preset shutdown temperature may be implemented by the following steps:
and a1, when the temperature of the whole machine is greater than a preset shutdown temperature or the difference between the preset shutdown temperature and the temperature of the whole machine is smaller than a first difference, adjusting the current uplink transmission power to be an uplink transmission power upper limit value.
A2, when the temperature of the whole machine is smaller than a preset shutdown temperature and the difference value between the preset shutdown temperature and the temperature of the whole machine is larger than a second difference value, maintaining the current transmitting power;
wherein the second difference is greater than or equal to the first difference.
In this embodiment, when the difference between the distance of the maximum transmission power recovery protocol and the temperature of Wen Guanji (i.e., the preset shutdown temperature) is smaller than Δ1 (i.e., the first difference), it is indicated that the temperature of the whole machine is already close to the temperature of Wen Guanji, or when the temperature of the whole machine is greater than the preset shutdown temperature, the maximum transmission power recovery protocol is adjusted to default, i.e., the uplink transmission power upper limit before adjustment, so as to avoid increasing the deterioration and temperature rise of the transmission power and further reduce the risk of shutdown protection.
When the difference value of the distance Wen Guanji temperature is larger than delta 2 (namely a second difference value), namely when the temperature of the whole machine is smaller than the high-temperature shutdown temperature and the difference value of the high-temperature shutdown temperature and the temperature of the whole machine is larger than the second difference value, the temperature rise shutdown risk is controlled, and the enhanced emission power upper limit is recovered, namely the enhanced emission power upper limit is kept continuously.
For example, when the temperature of the whole machine is monitored to be higher than 55 degrees, the maximum transmission power (that is, the upper limit value of uplink transmission power) is controlled according to the maximum transmission power (23 dBm) of the LTE protocol, and when the temperature of the whole machine is monitored to be lower than 50 degrees, the maximum transmission power is controlled according to the upper limit value of enhanced transmission power.
Therefore, in the embodiment of the invention, the incremental value of the transmission power which can be increased in the scene is determined by identifying the scene of increasing the transmission power (namely, the scene of meeting radio frequency indexes, such as the scene of meeting the requirements of scheduling small bandwidth (N RBs) and a low-order modulation mode), and then the uplink transmission power upper limit value corresponding to the terminal is adjusted to the enhanced transmission power upper limit value according to the incremental value of the transmission power, so that the coverage is improved; meanwhile, for temperature rise monitoring, when the difference value of the temperature of the distance higher Wen Guanji is smaller than delta 1, the maximum transmitting power recovery protocol defaults, and when the difference value of the temperature of the distance higher Wen Guanji is larger than delta 2, the upper limit of the enhanced transmitting power is recovered, so that the temperature rise control of the increased transmitting power is realized, and the performance and the safety of the whole machine are ensured.
Fig. 5 is a schematic structural diagram of a device for adjusting transmission power according to an embodiment of the present invention, and an application terminal, as shown in fig. 5, the device 50 for adjusting transmission power may include: the target uplink scheduling identification module 501 and the transmit power adjustment module 502.
The target uplink scheduling identification module 501 is configured to identify a target uplink scheduling with a low-order modulation coding mode and a scheduling bandwidth lower than a preset scheduling bandwidth; and the transmitting power adjusting module 502 is configured to adjust uplink transmitting power of the terminal according to a low-order modulation coding mode and a scheduling bandwidth adopted in the target uplink scheduling.
In this embodiment, by setting the target uplink scheduling identification module 501 and the transmit power adjustment module 502, the method is used to identify the target uplink scheduling with a low-order modulation coding mode and a scheduling bandwidth lower than a preset scheduling bandwidth, and in the target uplink scheduling scene, based on the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling, the uplink transmit power of the terminal in the target uplink scheduling scene is reasonably adjusted, so as to effectively improve the uplink coverage capability of the terminal.
In one possible design, the target uplink scheduling identification module 501 is specifically configured to: a medium access control sub-layer protocol (MAC) layer in the terminal acquires an adjustment coding mode and a scheduling bandwidth adopted by each uplink scheduling; and aiming at each uplink scheduling, if the adjustment coding mode is a low-order modulation coding mode and the scheduling bandwidth is lower than a preset scheduling bandwidth, determining the uplink scheduling as target uplink scheduling.
The target uplink scheduling is one-time uplink scheduling meeting the adjustable transmitting power condition.
In this embodiment, the MAC layer of the medium access control sublayer protocol performs the addressing mode and the frame identification function under the support of the LLC layer, and when some service scenarios exist, the uplink scheduling of the MAC layer of the terminal uses the low-order modulation coding mode and the primary uplink scheduling with the scheduling bandwidth lower than the preset scheduling bandwidth as the target uplink scheduling, and the corresponding target uplink scheduling in the scenarios is the primary uplink scheduling meeting the adjustable transmission power condition. After the target uplink scheduling is identified and screened, the low-order modulation coding mode adopted in the target uplink scheduling and the specific scheduling RB number corresponding to the scheduling bandwidth are obtained, and then the uplink transmitting power upper limit value of the terminal is improved based on the low-order modulation coding mode and the specific scheduling RB number corresponding to the scheduling bandwidth.
In one possible design, the low-order modulation coding mode is a quadrature phase shift keying QPSK modulation mode; the transmit power adjustment module 502 is specifically configured to: determining a transmitting power increment value according to a QPSK modulation mode adopted in the target uplink scheduling and the minimum unit RB number of the scheduling data transmission resource allocation of one scheduling subframe corresponding to the scheduling bandwidth; and according to the transmission power increment value, adjusting the uplink transmission power upper limit value corresponding to the terminal into an enhanced transmission power upper limit value, wherein the enhanced transmission power upper limit value is larger than the uplink transmission power upper limit value.
In this embodiment, different modulation modes and different scheduling bandwidths correspond to different transmission power increment values, so that the transmission power increment value needs to be determined according to a specific scenario, and the sum of the uplink transmission power upper limit value and the transmission power increment value corresponding to the terminal can be used as the enhanced transmission power upper limit value.
For example, the handheld terminal implementing the enhanced transmission power upper limit adjustment takes 1 subframe as a judging period: if the current uplink scheduling subframe of the MAC layer of the terminal meets the following conditions: the modulation coding mode (Modulation and Coding Scheme, MCS mode) adopts QPSK, the number of the scheduling RBs is less than or equal to 3, the maximum value of the uplink transmission power of the uplink subframe is not limited to 23dBm according to the transmission power requirement of power control, and can be increased to 27dBm, so that the transmission power of 4dB is increased at the cell edge, and the purpose of increasing coverage is achieved.
If the current uplink scheduling subframe meets the following conditions: the modulation coding mode (MCS mode) adopts QPSK, the number of the scheduling RBs is less than or equal to 4, and the maximum uplink transmission power of the uplink subframe is not limited to 23dBm and can be increased to 25dBm according to the transmission power requirement of power control, so that the transmission power of 2dB is increased at the cell edge, and the purpose of increasing coverage is achieved.
Similarly, different modulation bandwidths and different modulation coding modes can be set, and corresponding different transmission power lifting combinations can be used for improving coverage capacity within the range that the radio frequency index meets normal use conditions. The combination of the scheduling bandwidth and the modulation code is not particularly limited herein.
In practical applications, the method for adjusting the transmission power may be applied to control signaling: the uplink control signaling is smaller in data packet, lower in sending frequency and smaller in scheduling bandwidth, the adaptive modulation and coding at a far point can select low-order modulation, and retransmission is carried out for a certain number of times, and the conditions of the uplink control signaling are matched with the conditions of adjustable uplink transmission power in the embodiment, so that the method can identify the data scheduling of the signaling surface, and the signaling surface coverage level is improved by adopting higher-power transmission.
The method for adjusting the transmitting power is also suitable for packet data service reported by a trunking voice service and a heartbeat/geographic information system (Geographic Information System or Geo-Information system, GIS): for trunked speech, it is usually a 20 ms-periodic speech packet of 12.2kbps, and one speech packet occupies 2 to 5 RBs according to the modulation scheme. If a voice packet slicing technology of the trunking voice is combined, a voice packet is divided into a plurality of pieces and dispersed in different subframes, the number of RBs in one subframe is generally not more than 3, and the method is also suitable for the above screening condition of adjustable uplink transmitting power. Therefore, the method can identify the dispatching of the trunking voice or small packet data service, and adopts higher power transmission, thereby improving the coverage level of the trunking voice or small packet data service.
In one possible design, the apparatus further comprises: a temperature monitoring module 503; a temperature monitoring module 503, configured to obtain a complete machine temperature of the terminal after the uplink transmission power of the terminal is adjusted; and determining whether to adjust the current uplink transmitting power according to the temperature of the whole machine and the preset shutdown temperature.
In this embodiment, in order to control the temperature rise caused by the increase of the emission power, the terminal is required to monitor and control the temperature of the whole machine, and monitor the temperature rise. Specifically, the temperature of the whole machine is compared with a preset shutdown temperature, and the current uplink transmitting power is timely adjusted according to the comparison result.
In one possible design, the temperature monitoring module is specifically configured to:
when the temperature of the whole machine is larger than a preset shutdown temperature or the difference value between the preset shutdown temperature and the temperature of the whole machine is smaller than a first difference value, the current uplink transmission power is adjusted to be an uplink transmission power upper limit value; when the temperature of the whole machine is smaller than a preset shutdown temperature and the difference value between the preset shutdown temperature and the temperature of the whole machine is larger than a second difference value, the current transmitting power is maintained; wherein the second difference is greater than or equal to the first difference.
In this embodiment, when the difference between the distance of the maximum transmission power recovery protocol and the temperature of Wen Guanji (i.e., the preset shutdown temperature) is smaller than Δ1 (i.e., the first difference), it is indicated that the temperature of the whole machine is already close to the temperature of Wen Guanji, or when the temperature of the whole machine is greater than the preset shutdown temperature, the maximum transmission power recovery protocol is adjusted to default, i.e., the uplink transmission power upper limit before adjustment, so as to avoid increasing the deterioration and temperature rise of the transmission power and further reduce the risk of shutdown protection.
When the difference value of the distance Wen Guanji temperature is larger than delta 2 (namely a second difference value), namely when the temperature of the whole machine is smaller than the high-temperature shutdown temperature and the difference value of the high-temperature shutdown temperature and the temperature of the whole machine is larger than the second difference value, the temperature rise shutdown risk is controlled, and the enhanced emission power upper limit is recovered, namely the enhanced emission power upper limit is kept continuously.
For example, when the temperature of the whole machine is monitored to be higher than 55 degrees, the maximum transmission power (that is, the upper limit value of uplink transmission power) is controlled according to the maximum transmission power (23 dBm) of the LTE protocol, and when the temperature of the whole machine is monitored to be lower than 50 degrees, the maximum transmission power is controlled according to the upper limit value of enhanced transmission power.
Therefore, in the embodiment of the invention, the incremental value of the transmission power which can be increased in the scene is determined by identifying the scene of increasing the transmission power (namely, the scene of meeting radio frequency indexes, such as the scene of meeting the requirements of scheduling small bandwidth (N RBs) and a low-order modulation mode), and then the uplink transmission power upper limit value corresponding to the terminal is adjusted to the enhanced transmission power upper limit value according to the incremental value of the transmission power, so that the coverage is improved; meanwhile, for temperature rise monitoring, when the difference value of the temperature of the distance higher Wen Guanji is smaller than delta 1, the maximum transmitting power recovery protocol defaults, and when the difference value of the temperature of the distance higher Wen Guanji is larger than delta 2, the upper limit of the enhanced transmitting power is recovered, so that the temperature rise control of the increased transmitting power is realized, and the performance and the safety of the whole machine are ensured.
The device for adjusting the transmitting power provided by the embodiment of the invention can realize the method for adjusting the transmitting power of the embodiment shown above, and the implementation principle and the technical effect are similar, and are not repeated here.
The embodiment of the invention provides equipment for adjusting transmitting power. The device for adjusting the transmitting power provided in this embodiment includes: at least one LTE modem and memory.
In a specific implementation process, at least one LTE modem executes the computer-executable instructions stored in the memory, so that the at least one LTE modem executes the method for adjusting the transmit power in the method embodiment described above.
The specific implementation process of the LTE modem can be referred to the above method embodiment, and its implementation principle and technical effects are similar, and this embodiment will not be described herein.
The memory may comprise high speed RAM memory or may further comprise non-volatile storage NVM, such as at least one disk memory.
The embodiment of the invention also provides a computer readable storage medium, wherein computer execution instructions are stored in the computer readable storage medium, and when the LTE modem executes the computer execution instructions, the method for adjusting the transmitting power in the method embodiment is realized.
The computer readable storage medium described above may be implemented by any type of volatile or non-volatile memory device or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk. A readable storage medium can be any available medium that can be accessed by a general purpose or special purpose computer.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the method embodiments described above may be performed by hardware associated with program instructions. The foregoing program may be stored in a computer readable storage medium. The program, when executed, performs steps including the method embodiments described above; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. A method for adjusting transmit power, applied to a terminal, the method comprising:
identifying a target uplink scheduling with a low-order modulation coding mode and a scheduling bandwidth lower than a preset scheduling bandwidth;
adjusting the uplink transmitting power of the terminal according to a low-order modulation coding mode and a scheduling bandwidth adopted in the target uplink scheduling;
the identifying the target uplink scheduling adopting the low-order modulation coding mode and the scheduling bandwidth lower than the preset scheduling bandwidth comprises the following steps:
a medium access control sub-layer protocol (MAC) layer in the terminal acquires an adjustment coding mode and a scheduling bandwidth adopted by each uplink scheduling;
aiming at each uplink scheduling, if the adjustment coding mode is a low-order modulation coding mode and the scheduling bandwidth is lower than a preset scheduling bandwidth, determining the uplink scheduling as target uplink scheduling;
the target uplink scheduling is one-time uplink scheduling meeting the adjustable transmitting power condition;
the low-order modulation coding mode is a quadrature phase shift keying QPSK modulation mode; the adjusting the uplink transmitting power of the terminal according to the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling comprises the following steps:
determining a transmitting power increment value according to a QPSK modulation mode adopted in the target uplink scheduling and the minimum unit RB number of the scheduling data transmission resource allocation of one scheduling subframe corresponding to the scheduling bandwidth;
and according to the transmission power increment value, adjusting the uplink transmission power upper limit value corresponding to the terminal into an enhanced transmission power upper limit value, wherein the enhanced transmission power upper limit value is larger than the uplink transmission power upper limit value.
2. The method of claim 1, wherein after said adjusting the uplink transmit power of the terminal, the method further comprises:
acquiring the temperature of the whole machine of the terminal;
and determining whether to adjust the current uplink transmitting power according to the temperature of the whole machine and the preset shutdown temperature.
3. The method of claim 2, wherein determining whether to adjust the current uplink transmit power according to the complete machine temperature and a preset shutdown temperature comprises:
when the temperature of the whole machine is larger than a preset shutdown temperature or the difference value between the preset shutdown temperature and the temperature of the whole machine is smaller than a first difference value, the current uplink transmission power is adjusted to be an uplink transmission power upper limit value;
when the temperature of the whole machine is smaller than a preset shutdown temperature and the difference value between the preset shutdown temperature and the temperature of the whole machine is larger than a second difference value, the current transmitting power is maintained;
wherein the second difference is greater than or equal to the first difference.
4. An apparatus for adjusting transmission power, applied to a terminal, comprising:
the target uplink scheduling identification module is used for identifying target uplink scheduling adopting a low-order modulation coding mode and having a scheduling bandwidth lower than a preset scheduling bandwidth;
the transmitting power adjusting module is used for adjusting the uplink transmitting power of the terminal according to the low-order modulation coding mode and the scheduling bandwidth adopted in the target uplink scheduling;
the target uplink scheduling identification module is specifically configured to:
a medium access control sub-layer protocol (MAC) layer in the terminal acquires an adjustment coding mode and a scheduling bandwidth adopted by each uplink scheduling;
aiming at each uplink scheduling, if the adjustment coding mode is a low-order modulation coding mode and the scheduling bandwidth is lower than a preset scheduling bandwidth, determining the uplink scheduling as target uplink scheduling;
the target uplink scheduling is sequential uplink scheduling meeting the adjustable transmitting power condition;
the low-order modulation coding mode is a quadrature phase shift keying QPSK modulation mode; the transmitting power adjusting module is specifically configured to:
determining a transmitting power increment value according to a QPSK modulation mode adopted in the target uplink scheduling and the minimum unit RB number of the scheduling data transmission resource allocation of one scheduling subframe corresponding to the scheduling bandwidth;
and according to the transmission power increment value, adjusting the uplink transmission power upper limit value corresponding to the terminal into an enhanced transmission power upper limit value, wherein the enhanced transmission power upper limit value is larger than the uplink transmission power upper limit value.
5. An apparatus for adjusting transmit power, comprising: at least one LTE modem and memory;
the memory stores computer-executable instructions;
the at least one LTE modem executing the memory-stored computer-executable instructions causes the at least one LTE modem to perform the method of adjusting transmit power of any one of claims 1 to 3.
6. A computer readable storage medium having stored therein computer executable instructions which when executed by an LTE modem implement the method of adjusting transmit power of any of claims 1 to 3.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026286A (en) * | 2010-12-23 | 2011-04-20 | 中兴通讯股份有限公司 | Uplink resource allocation and power dynamic adjustment method and system |
| CN102300291A (en) * | 2010-06-24 | 2011-12-28 | 中兴通讯股份有限公司 | Method and system for scheduling uplink data |
| CN103636267A (en) * | 2011-03-31 | 2014-03-12 | 北京新岸线移动多媒体技术有限公司 | Method and device for open loop uplink access power control |
| CN103765963A (en) * | 2011-08-11 | 2014-04-30 | 高通股份有限公司 | Methods and apparatus for overload mitigation using uplink transmit power backoff |
| CN110138536A (en) * | 2019-06-11 | 2019-08-16 | 深圳市锐尔觅移动通信有限公司 | Sending method, device and the storage medium of Physical Downlink Control Channel |
| CN110536346A (en) * | 2019-05-16 | 2019-12-03 | Oppo广东移动通信有限公司 | A kind of power consumption control method of terminal, device and storage medium |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3541001B1 (en) * | 2015-02-06 | 2022-07-06 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling uplink control information transmission in wireless communication system providing widebandwidth services via carrier aggregation |
-
2020
- 2020-08-31 CN CN202010896207.7A patent/CN114126022B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300291A (en) * | 2010-06-24 | 2011-12-28 | 中兴通讯股份有限公司 | Method and system for scheduling uplink data |
| CN102026286A (en) * | 2010-12-23 | 2011-04-20 | 中兴通讯股份有限公司 | Uplink resource allocation and power dynamic adjustment method and system |
| CN103636267A (en) * | 2011-03-31 | 2014-03-12 | 北京新岸线移动多媒体技术有限公司 | Method and device for open loop uplink access power control |
| CN103765963A (en) * | 2011-08-11 | 2014-04-30 | 高通股份有限公司 | Methods and apparatus for overload mitigation using uplink transmit power backoff |
| CN110536346A (en) * | 2019-05-16 | 2019-12-03 | Oppo广东移动通信有限公司 | A kind of power consumption control method of terminal, device and storage medium |
| CN110138536A (en) * | 2019-06-11 | 2019-08-16 | 深圳市锐尔觅移动通信有限公司 | Sending method, device and the storage medium of Physical Downlink Control Channel |
Non-Patent Citations (1)
| Title |
|---|
| 一种TD-LTE系统上行资源分配新算法;刘相志;王代强;戴晨亮;;电子科技(12);全文 * |
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