CN109769291B - Terminal power control method and terminal - Google Patents
Terminal power control method and terminal Download PDFInfo
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- CN109769291B CN109769291B CN201711097117.6A CN201711097117A CN109769291B CN 109769291 B CN109769291 B CN 109769291B CN 201711097117 A CN201711097117 A CN 201711097117A CN 109769291 B CN109769291 B CN 109769291B
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Abstract
The embodiment of the invention provides a terminal power control method and a terminal, wherein the method comprises the following steps: determining a judgment parameter; determining the power grade of the terminal according to the judgment parameter; and correspondingly controlling the power of the terminal according to the power level and the judgment parameter, so that the terminal with the power level 2 can keep the single-bit power consumption advantage in a weak coverage area, and meanwhile, the single-bit power consumption in a non-weak coverage area is not inferior to that of a common terminal with the power level 3.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for controlling terminal power and a terminal.
Background
The high-power terminal is a terminal having a larger transmission power than a normal terminal, that is, a terminal having a maximum transmission power of 26dBm at an antenna port. The maximum transmit power of the high power terminal is boosted by 3dB compared to the normal terminal with a maximum transmit power of 23dBm, as shown in fig. 1.
The successful commercialization of high power terminals has brought the entire mobile communication industry, and particularly operators, to the superior performance of high power terminals in solving the uplink limitation problem: under the condition that extra cost is not required to be input on a network side, the uplink limitation problem of a TD-LTE (Time Division Long Term Evolution) high-frequency segment cell can be greatly relieved, the uplink rate of a user with a weak coverage area is obviously improved, the uplink service coverage radius is effectively improved, the improvement of VoLTE (Voice over LTE) service experience is facilitated, and the service experience of edge users is obviously improved; if a high-power terminal is used for network planning, 15-30% of network construction cost can be saved for an operator. Meanwhile, the high-power terminal can also significantly optimize the single bit power consumption of the terminal at the edge of the cell.
Fig. 2 is a diagram showing a ratio of power consumption per bit of a high power terminal (HPUE) and a common terminal of the same type in the prior art. According to the external field test data, a configuration table of the laboratory test is summarized, and the configuration table comprises the following steps: transmission rate, uplink and downlink MCS (Modulation and Coding Scheme, Modulation and Coding strategy), PRB (Physical Resource Block), uplink transmission power, and the like. On a laboratory comprehensive tester, setting is carried out according to different RSRP (Reference Signal Receiving Power) to obtain an uplink speed and a current value, so that a certain high-Power terminal device and a same common terminal device are tested: under the condition of uploading data quantity with the same size, the power consumption of a single bit (bit) of the high-power terminal and the power consumption of a single bit of the common terminal are obtained, and then the ratio of the power consumption of the single bit of the high-power terminal to the power consumption of the single bit of the common terminal is obtained. When the ratio is less than 1, it indicates that high power has lower power consumption per bit.
As can be seen from FIG. 2, in weak coverage areas with RSRP ≦ -110 dBm, a high power terminal of power class 2 has a significant advantage in single bit power consumption compared to a normal terminal of power class 3. However, in non-weak coverage areas with RSRP ≧ 100dBm, high power terminals of power class 2 are slightly higher in single bit power consumption than ordinary terminals of power class 3.
Disclosure of Invention
In view of the above technical problems, embodiments of the present invention provide a method and a terminal for controlling terminal power, which solve the problem that power consumption of a high-power terminal in a non-weak coverage area is greater than that of a normal terminal.
In a first aspect, a method for terminal power control is provided, including:
determining a judgment parameter;
determining the power grade of the terminal according to the judgment parameter;
and performing corresponding power control on the terminal according to the power grade and the judgment parameter.
Optionally, the determining a parameter is reference signal received power RSRP, and determining a power level of the terminal according to the determining parameter includes:
triggering RSRP critical value P when detecting that the RSRP is larger than the terminal power level adjustment 0 Setting a terminal power level to power level 3, wherein the terminal power level adjustment triggers an RSRP threshold value P 0 The maximum RSRP value when the transmitting power of the terminal is larger than or equal to the first transmitting power threshold value is obtained;
triggering an RSRP threshold value when detecting that the RSRP is less than or equal to a terminal power level adjustment 0 The terminal power level is set to power level 2.
Optionally, the method further comprises:
when detecting the transmitting power P of the terminal out When the transmission power is larger than or equal to the first transmission power threshold value, recording and storing the transmission power P of the terminal out An RSRP value when the RSRP value is larger than or equal to a first transmission power threshold value;
taking the maximum RSRP value from the recorded multiple sets of RSRP values as a terminal power level adjustment trigger RSRP critical value P 0 。
Optionally, the determining the parameter is a transmission power of the terminal, and determining the power level of the terminal according to the determining parameter includes:
when the transmitting power P of the terminal is detected out When the power level is smaller than the second transmitting power threshold value, setting the power level of the terminal as 3;
when the transmitting power P of the terminal is detected out And when the power level is greater than or equal to the second transmission power threshold value, setting the power level of the terminal to be 2.
Optionally, the determining a parameter is a path loss, where the path loss represents a difference between a transmission power of a current cell and a reception power measured by a terminal, and determining a power level of the terminal according to the determining parameter includes:
when the path loss is detected to be smaller than a path loss threshold value, setting the power level of the terminal to be 3;
and when the path loss is detected to be larger than or equal to the path loss threshold value, setting the power level of the terminal to be 2.
Optionally, the performing, according to the power level and the determination parameter, corresponding power control on the terminal includes:
if the judgment parameter is RSRP and the power level of the terminal is set to be 3, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to a network; alternatively, the first and second electrodes may be,
if the judgment parameter is RSRP and the power level of the terminal is set to be 2, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to a network; alternatively, the first and second electrodes may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 3, calculating power headroom PowerHeadRoom according to the power level 3 and reporting the power headroom PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
if the judgment parameter is the path loss and the power level of the terminal is set to be 3, calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
and if the judgment parameter is the path loss and the power level of the terminal is set to be the power level 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network.
In a second aspect, there is also provided a terminal, including: a processor for determining a judgment parameter;
the processor is further configured to determine a power level of the terminal according to the judgment parameter;
and the processor is also used for carrying out corresponding power control on the terminal according to the power grade and the judgment parameter.
Optionally, the processor is further configured to:
triggering RSRP critical value P when detecting that the RSRP is larger than the terminal power level adjustment 0 Setting a terminal power level to a power level 3, wherein the terminal power level adjustment triggers an RSRP threshold value P 0 The maximum RSRP value when the transmitting power of the terminal is larger than or equal to the first transmitting power threshold value is obtained;
when detectingTriggering RSRP critical value P when the RSRP is less than or equal to terminal power level adjustment 0 The terminal power level is set to power level 2.
Optionally, the processor is further configured to: when the transmitting power P of the terminal is detected out When the transmission power is larger than or equal to the first transmission power threshold value, recording and storing the transmission power P of the terminal out An RSRP value when the RSRP value is larger than or equal to a first transmission power threshold value; taking the maximum RSRP value from the recorded multiple sets of RSRP values as a terminal power level adjustment trigger RSRP critical value P 0 。
Optionally, the processor is further configured to: when detecting the transmitting power P of the terminal out When the power level is smaller than the second transmitting power threshold value, setting the power level of the terminal as 3; when detecting the transmitting power P of the terminal out And when the power level is greater than or equal to the second transmission power threshold value, setting the power level of the terminal to be 2.
Optionally, the processor is further configured to: when the path loss is detected to be smaller than a path loss threshold value, setting the power level of the terminal to be 3; and when the path loss is detected to be larger than or equal to the path loss threshold value, setting the power level of the terminal to be 2.
Optionally, the processor is further configured to:
if the judgment parameter is RSRP and the power level of the terminal is set to be 3, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to a network; alternatively, the first and second liquid crystal display panels may be,
if the judgment parameter is RSRP and the power level of the terminal is set to be 2, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to a network; alternatively, the first and second electrodes may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 3, calculating power headroom PowerHeadRoom according to the power level 3 and reporting the power headroom PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
if the judgment parameter is the path loss and the power level of the terminal is set to be 3, calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
and if the judgment parameter is the path loss and the power level of the terminal is set to be the power level 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network.
In a third aspect, a terminal is further provided, including: a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the method of terminal power control as described in the first aspect.
In a fourth aspect, there is also provided a computer readable storage medium having stored thereon a computer program which, when executed by the processor, implements the steps of the method for terminal power control according to the first aspect.
Thus, in the embodiment of the present invention, the power level is determined according to the determination parameter, and then the corresponding power control is performed on the terminal according to the power level and the determination parameter, so that the terminal of the power level 2 can maintain the advantage of the single-bit power consumption in the weak coverage area, and meanwhile, the single-bit power consumption in the non-weak coverage area is not inferior to that of the ordinary terminal of the power level 3.
Drawings
Fig. 1 is a schematic diagram of a high-power terminal prompting a cell uplink coverage radius in the prior art;
fig. 2 is a schematic diagram showing comparison of single-bit power consumption current network actual measurement results of a high-power terminal and a common terminal;
fig. 3 is a flowchart of a method for controlling power of a terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 5 is a second schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 3, which is a flowchart of a method for controlling power of a terminal according to an embodiment of the present invention, the terminal may support two power classes: power Class 3(Power Class 3) and Power Class 2(Power Class 2), the specific steps are as follows:
in the embodiment of the present invention, the determination parameter may be Reference Signal Received Power (RSRP), transmission power of the terminal, path loss (the path loss represents a difference between the transmission power of the current cell and the reception power measured by the terminal), and the like, and it should be noted that a person skilled in the art may obtain a similar determination parameter by simple inference, and the determination parameter is not specifically limited in the embodiment of the present invention.
that is, whether the power level of the terminal is the power level 2 or the power level 3 is determined according to the determination parameter in the following manner:
first, when the RSRP is detected to be larger than the terminal power level adjustment trigger RSRP critical value P 0 Setting a terminal power level to a power level 3, wherein the terminal power level adjustment triggers an RSRP threshold value P 0 The maximum RSRP value when the transmitting power of the terminal is larger than or equal to the first transmitting power threshold value is obtained; triggering an RSRP threshold value when detecting that the RSRP is less than or equal to a terminal power level adjustment 0 The terminal power level is set to power level 2.
Wherein the terminal power level is adjusted and touchedCritical value P of sending RSRP 0 Is determined by: when detecting the transmitting power P of the terminal out When the transmission power is larger than or equal to the first transmission power threshold value, recording and storing the transmission power P of the terminal out An RSRP value when the RSRP value is larger than or equal to a first transmission power threshold value; taking the maximum RSRP value from the recorded multiple sets of RSRP values as a terminal power level adjustment trigger RSRP critical value P 0 。
In the first mode, the power level of the terminal can be adjusted in real time according to the RSRP value of the position where the terminal is located, and the terminal power level adjustment trigger RSRP critical value P can be updated in real time according to the actual situation of the current network 0 Therefore, different strategies of controlling the power of the terminal by different networks can be dealt with.
Wherein the first transmit power threshold is determined by the following equation: the first transmission power threshold value is (maximum transmission power of the terminal of power class 3 (e.g. 23dBm) -offset) dBm, and the offset may be 0, 0.5, 1, 1.5, 2, etc., but is not limited thereto.
Second, when the transmitting power P of the terminal is detected out When the power level is smaller than the second transmitting power threshold value, setting the power level of the terminal as 3; when detecting the transmitting power P of the terminal out And when the power level is larger than or equal to the second transmission power threshold value, setting the power level of the terminal to be 2.
Mode three, when the transmitting power P of the terminal is detected out When the power level is smaller than the second transmitting power threshold value, setting the power level of the terminal as 3; when detecting the transmitting power P of the terminal out And when the power level is larger than or equal to the second transmission power threshold value, setting the power level of the terminal to be 2.
Wherein the second transmit power threshold is determined by the following equation: the second transmission power threshold value is (maximum transmission power of the terminal of power class 3 (e.g. 23dBm) -offset) dBm, and the offset may be 0, 0.5, 1, 1.5, 2, etc., but is not limited thereto.
Setting the power level of the terminal to be a power level 3 when the path loss is detected to be smaller than the path loss threshold value; and when the path loss is detected to be larger than or equal to the path loss threshold value, setting the power level of the terminal to be 2.
Wherein the path loss threshold is determined by the following formula: the path loss threshold value is (path loss-offset corresponding to the maximum transmission power (for example, 23dBm) of the terminal of the power class 3) dBm, and the offset may be 0, 0.5, 1, 1.5, 2, etc., but is not limited thereto.
And 303, performing corresponding power control on the terminal according to the power grade and the judgment parameter.
In the embodiment of the invention, if the judgment parameter is RSRP and the power level of the terminal is set as power level 3, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to a network; or if the judgment parameter is RSRP and the power level of the terminal is set to be 2, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to a network; or, if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set as the power level 3, calculating the power headroom PowerHeadRoom according to the power level 3 and reporting the power headroom PowerHeadRoom to the network; or, if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be the power level 2, calculating the powerHeadRoom according to the power level 2 and reporting the powerHeadRoom to the network; or, if the judgment parameter is the path loss and the power level of the terminal is set to be 3, calculating the PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to the network; or, if the judgment parameter is the path loss and the terminal power level is set to be the power level 2, calculating the PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network.
Thus, in the embodiment of the present invention, the power class is determined according to the determination parameter, and then the terminal is correspondingly power-controlled according to the power class and the determination parameter, so as to significantly optimize the power consumption performance of the terminal (especially a high-power terminal), so that the terminal of the power class 2 can maintain the advantage of single-bit power consumption in the weak coverage area, and meanwhile, the single-bit power consumption in the non-weak coverage area is not inferior to that of the normal terminal of the power class 3.
According to the 3GPP (third Generation partnership project) protocol, the maximum transmission power of the terminal depends on P on the network side EMAX,c (maximum transmission power of terminal in parameter sense) and power class P of terminal itself PowerClass The smaller of the two; and when P on the network side EMAX,c Set to NULL, the maximum transmit power of the terminal depends on the power level P of the terminal itself PowerClass . I.e. for a normal terminal with a terminal power class of 3, no matter the P of the network side EMAX,c A normal terminal with a terminal power level of 3 can only transmit up to 23dBm with a setting of 23 or 26 or NULL. And P on the network side in order to enable high-power terminals of power class 2 in the network to emit high power up to 26dBm EMAX,c It needs to be set to 26 or NULL.
The terminal power control method of the embodiment of the invention is as follows:
method one, P of network side EMAX,c Set to 26 or NULL, a high power terminal may support two power classes: power Class 3(Power Class 3, abbreviated PC3) and Power Class 2(Power Class 2, abbreviated PC 2).
Step one, the initial default reported Power level of the high-Power terminal is Power level 2(Power Class 2).
Step two, the high-power terminal is normally started to carry out network attachment, and when the high-power terminal detects the transmitting power P of the terminal out When the power P is larger than or equal to (23-delta) dBm, recording and storing the transmitting power P of the terminal out Maximum RSRP value P at not less than (23-delta) dBm 0 (dBm). If the terminal records multiple sets of RSRP values P meeting the requirements 0 (dBm), the maximum RSRP value is taken to record and store, namely P 0 ＝max{P 1 ， P 2 ， ......， P n And n is a positive integer not less than 1. Wherein the content of the first and second substances,
typically, Δ ∈ [0, 0.5, 1, 1.5, 2], e.g.: delta may be set to 1 by default when the high-power terminal leaves factory, and may also be adjusted by remote upgrade through OTA (Over-the-Air Technology) after the high-power terminal leaves factory. The delta value is used as an offset to tune the transition point of the terminal between PC2 and PC 3. The smaller Δ is set, the greater the probability that the high power terminal is at power level 3.
Step three, when the high-power terminal detects the RSRP>P 0 (dBm), the high-Power terminal sets the reported terminal Power level as Power level 3(Power Class 3), and the high-Power terminal actively initiates a terminal capability level report.
Step four, when the high-power terminal detects that RSRP is not more than P 0 And (dBm), setting the reported terminal Power level as Power level 2(Power Class 2) by the high-Power terminal, and actively initiating the terminal capability level reporting once by the high-Power terminal.
Mode two, for the network environment without reporting the terminal ability grade, the P of the network side EMAX,c Still, it needs to be set to 26 or NULL, and a high power terminal can support two power classes: power Class 3(Power Class 3) and Power Class 2(Power Class 2).
Step one, the initial default Power level of the high-Power terminal is Power level 2(Power Class 2).
Step two, the high-power terminal is normally started to carry out network attachment, and when the high-power terminal detects the transmitting power P of the terminal out When the power P is larger than or equal to (23-delta) dBm, recording and storing the transmitting power P of the terminal out Maximum RSRP value P at not less than (23-delta) dBm 0 (dBm). If the terminal records multiple sets of RSRP values P meeting the requirements 0 (dBm), the maximum RSRP value is taken to record and store, namely P 0 ＝max{P 1 ， P 2 ， ......， P n N is a positive integer not less than 1. Wherein, the first and the second end of the pipe are connected with each other,
typically, Δ ∈ [0, 0.5, 1, 1.5, 2], e.g.: the delta can be set to be 1 by default when the high-power terminal leaves a factory, and meanwhile, remote upgrading and adjustment can be carried out in an OTA mode after the high-power terminal leaves the factory. The delta value is used as an offset to tune the transition point of the terminal between PC2 and PC 3. The smaller Δ is set, the greater the probability that the high power terminal is at power level 3.
Step three, when the high power is finishedEnd-detected RSRP>P 0 And (dBm), setting the Power level of the terminal to be Power level 3(Power Class 3) by the high-Power terminal, calculating the Power HeadRoom according to the Power level 3(Power Class 3) and reporting the PowerHeadRoom to the network.
Step four, when the high-power terminal detects that RSRP is less than or equal to P 0 And (dBm), setting the Power level of the terminal to be Power level 2(Power Class 2) by the high-Power terminal, calculating the Power HeadRoom according to the Power level 2(Power Class 2) and reporting the PowerHeadRoom to the network.
A third mode needs to be described, that is, when the terminal Power level is determined to be set to be Power level 2(Power Class 2) or Power level 3(Power Class 3) no matter in the network environment where the terminal capability level needs to be reported or the network environment where the terminal capability level does not need to be reported, the RSRP as described above may be selected as the determination parameter, or the transmission Power P of the terminal may be directly selected as the determination parameter out As the judgment parameter, the following is specifically mentioned:
when a high power terminal detects P out <(23-delta) dBm, the high-Power terminal sets the Power level of the terminal to be Power level 3(Power Class 3), calculates PowerHeadRoom according to the Power level 3(Power Class 3) and reports the PowerHeadRoom to the network;
when the high power terminal detects P out When the Power level is more than or equal to (23-delta) dBm, the high-Power terminal sets the Power level of the terminal to be Power level 2(Power Class 2), calculates PowerHeadRoom according to the Power level 2(Power Class 2) and reports the PowerHeadRoom to the network;
wherein Δ ∈ [0, 0.5, 1, 1.5, 2], such as: the delta can be set to be 1 by default when the high-power terminal leaves a factory, and meanwhile, remote upgrading and adjustment can be carried out in an OTA mode after the high-power terminal leaves the factory. The delta value acts as an offset and can tune the transition point of the terminal between PC2 and PC 3. The smaller Δ is set, the greater the probability that the high power terminal is at power level 3.
In a fourth mode, it should be noted that, no matter the network environment in which the terminal capability level needs to be reported or the network environment in which the terminal capability level does not need to be reported, whether the terminal Power level is set to be Power level 2(Power Class 2) or Power is judgedIn Class 3(Power Class 3), the RSRP as described above may be selected or the transmission Power P of the terminal may be directly selected out As the judgment parameter, the path loss P can be selected PL (Path Loss) as a judgment parameter:
wherein the path loss P PathLoss Current cell transmission power P BaseStationTransmit -the received power P measured by the terminal DeviceReceive The units are dBm;
when a high power terminal detects P PathLoss <(23-delta) dBm, the high-Power terminal sets the Power level of the terminal to be Power level 3(Power Class 3), calculates PowerHeadRoom according to the Power level 3(Power Class 3) and reports the PowerHeadRoom to the network;
when the high power terminal detects P PathLoss And when the Power level is more than or equal to (23-delta) dBm, the high-Power terminal sets the Power level of the terminal to be Power level 2(Power Class 2), calculates the Power HeadRoom according to the Power level 2(Power Class 2) and reports the PowerHeadRoom to the network.
Generally, Δ ∈ [0, 0.5, 1, 1.5, 2], such as: the delta can be set to be 1 by default when the high-power terminal leaves a factory, and meanwhile, remote upgrading and adjustment can be carried out in an OTA mode after the high-power terminal leaves the factory. The delta value is used as an offset to tune the transition point of the terminal between PC2 and PC 3. The smaller Δ is set, the greater the probability that the high power terminal is at power level 3.
It should be noted that, when determining whether to set the terminal Power level to Power level 2(Power Class 2) or Power level 3(Power Class 3), a person skilled in the art can obtain similar determination parameters by simple reasoning, and the determination parameters are not particularly limited in the embodiment of the present invention.
Moreover, when the terminal is at the switching edge of Power Class 2(Power Class 2) and Power Class 3(Power Class 3), in order to avoid the ping-pong switching phenomenon between different Power classes of the terminal, a control clock T may be provided control T after one successful handover control In this case, the terminal does not switch the power level again. For example: if T is to be control Set to 10ms, then at the terminal slaveWithin 10ms after the power level 2 is switched to power level 3, the terminal does not switch back from power level 3 to power level 2 again.
Example one:
p of network side EMAX,c Set to 26 or NULL, a high power terminal may support two power classes: power Class 3(Power Class 3) and Power Class 2(Power Class 2).
Step one, the initial default reported Power level of the high-Power terminal is Power level 2(Power Class 2).
In this example, the offset Δ of the high power terminal is 1.
Step two, the high-power terminal is normally started to carry out network attachment, and when the high-power terminal detects that: when the RSRP is-110 dBm, -115 dBm and-120 dBm, the transmitting power of the terminal meets the condition that Pout is more than or equal to 22dBm, and then the current maximum RSRP value is recorded: 110dBm, at this point, P 0 ＝－110dBm
And step three, when the high-Power terminal detects that the RSRP is-110 dBm, the high-Power terminal sets the reported terminal Power level as Power level 3(Power Class 3), and the high-Power terminal actively initiates one-time terminal capability level reporting.
And step four, when the high-Power terminal detects that the RSRP is less than or equal to-110 dBm, the high-Power terminal sets the reported terminal Power level as a Power level 2(Power Class 2), and the high-Power terminal actively initiates one-time terminal capability level reporting.
Example two:
for the network environment without reporting the terminal capability level, the P of the network side EMAX,c Still, it needs to be set to 26 or NULL, and a high power terminal can support two power classes: power Class 3(Power Class 3) and Power Class 2(Power Class 2).
Step one, the initial default Power level of the high-Power terminal is Power level 2(Power Class 2).
In this example, the offset Δ of the high power terminal is 1.
Step two, the high-power terminal is normally started up to carry out network attachment, and when the high-power terminal detects that: when R isWhen SRP is-110 dBm, -115 dBm and-120 dBm, the transmitting power of the terminal satisfies P out And if the RSRP value is larger than or equal to 22dBm, recording the current maximum RSRP value: 110dBm, at this point, P 0 ＝－110dBm
And step three, when the high-Power terminal detects that the RSRP is-110 dBm, the high-Power terminal sets the Power level of the terminal to be Power level 3(Power Class 3), calculates the Power HeadRoom according to the Power level 3(Power Class 3) and reports the Power HeadRoom to the network.
Step four: when the high-Power terminal detects that the RSRP is less than or equal to-110 dBm, the high-Power terminal sets the Power level of the terminal to be Power level 2(Power Class 2), calculates the Power HeadRoom according to the Power level 2(Power Class 2) and reports the PowerHeadRoom to the network.
The embodiment of the invention also provides a terminal, and as the principle of solving the problem of the terminal is similar to the method for controlling the power of the terminal in the embodiment of the invention, the implementation of the terminal can refer to the implementation of the method, and the repeated parts are not described again.
Referring to fig. 4, a terminal 400 according to an embodiment of the present invention includes: a processor 401, wherein the processor 401 is configured to determine a judgment parameter; the processor 401 is further configured to determine a power level of the terminal according to the determination parameter; the processor 401 is further configured to perform corresponding power control on the terminal according to the power level and the determination parameter.
Optionally, the processor 401 is further configured to:
triggering RSRP critical value P when detecting that the RSRP is larger than the terminal power level adjustment 0 Setting the power level of the terminal to be 3;
triggering an RSRP threshold value when detecting that the RSRP is less than or equal to a terminal power level adjustment 0 The terminal power level is set to power level 2.
Optionally, the processor 401 is further configured to: when the transmitting power P of the terminal is detected out When the transmission power is larger than or equal to the first transmission power threshold value, recording and storing the transmission power P of the terminal out An RSRP value when the RSRP value is larger than or equal to a first transmission power threshold value; from recorded sets of RSRP valuesTaking the maximum RSRP value as the terminal power level adjustment trigger RSRP critical value P 0 。
Optionally, the processor 401 is further configured to: when detecting the transmitting power P of the terminal out When the power level is smaller than the second transmitting power threshold value, setting the power level of the terminal as 3; when detecting the transmitting power P of the terminal out And when the power level is greater than or equal to the second transmission power threshold value, setting the power level of the terminal to be 2.
Optionally, the second transmit power threshold value is determined by the following formula:
the second transmit power threshold value is (maximum transmit power of terminal at power level 3-offset) dBm.
Optionally, the processor 401 is further configured to: when the path loss is detected to be smaller than a path loss threshold value, setting the power level of the terminal to be 3; and when the path loss is detected to be larger than or equal to the path loss threshold value, setting the power level of the terminal to be 2.
Optionally, the path loss threshold is determined by the following formula:
the path loss threshold value is (path loss-offset corresponding to the maximum transmission power (for example, 23dBm) of the terminal of power class 3) dBm.
Optionally, the processor 401 is further configured to:
if the judgment parameter is RSRP and the power level of the terminal is set to be 3, actively initiating the report of the power level of the terminal, or calculating power headroom according to the power level 3 and reporting the power headroom to a network; alternatively, the first and second liquid crystal display panels may be,
if the judgment parameter is RSRP and the power level of the terminal is set to be 2, actively initiating the report of the power level of the terminal, or calculating the power headroom PowerHeadRoom according to the power level 2 and reporting the power headroom PowerHeadRoom to the network; alternatively, the first and second liquid crystal display panels may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 3, calculating the power margin PowerHeadRoom according to the power level 3 and reporting the power margin PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
if the judgment parameter is the path loss and the power level of the terminal is set to be 3, calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
and if the judgment parameter is the path loss and the power level of the terminal is set to be the power level 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network.
The terminal provided in this embodiment may execute the method embodiments described above, and the implementation principle and technical effect are similar, which are not described herein again.
Referring to fig. 5, a structure of a terminal is shown, which includes at least one processor 501, a memory 502, at least one network interface 504, and a user interface 503. The various components in terminal 500 are coupled together by a bus system 505. It is understood that the bus system 505 is used to enable connection communications between these components. The bus system 505 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 505 in FIG. 5.
The user interface 503 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.
It will be appreciated that memory 502 in embodiments of the present invention can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SDRAM, ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), synchlronous SDRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 502 of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 502 stores elements, executable modules or data structures, or a subset thereof, or an expanded set thereof as follows: an operating system 5021 and application programs 5022.
The operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application 5022 includes various applications, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. The program for implementing the method according to the embodiment of the present invention may be included in the application program 5022.
In the embodiment of the present invention, by calling the program or the instruction stored in the memory 502, specifically, the program or the instruction stored in the application 5022, the following steps are implemented when the program or the instruction is executed: determining a judgment parameter; determining the power grade of the terminal according to the judgment parameter; and performing corresponding power control on the terminal according to the power grade and the judgment parameter.
Optionally, the computer program may further implement the following steps when executed by the processor 501: triggering RSRP critical value P when detecting that the RSRP is larger than the terminal power level adjustment 0 Setting the power level of the terminal to be 3; triggering an RSRP threshold value when detecting that the RSRP is less than or equal to a terminal power level adjustment 0 Setting the terminal power levelIs set to power level 2.
Optionally, the computer program may further implement the following steps when executed by the processor 501: when the transmitting power P of the terminal is detected out When the transmission power is larger than or equal to the first transmission power threshold value, recording and storing the transmission power P of the terminal out An RSRP value when the RSRP value is larger than or equal to a first transmission power threshold value; taking the maximum RSRP value from the recorded multiple sets of RSRP values as a terminal power level adjustment trigger RSRP critical value P 0 。
Optionally, the computer program may further implement the following steps when executed by the processor 501: when detecting the transmitting power P of the terminal out When the power level is smaller than the second transmitting power threshold value, setting the power level of the terminal as 3; when detecting the transmitting power P of the terminal out And when the power level is larger than or equal to the second transmission power threshold value, setting the power level of the terminal to be 2.
Optionally, the computer program may further implement the following steps when executed by the processor 501: when the path loss is detected to be smaller than a path loss threshold value, setting the power level of the terminal to be 3; and when the path loss is detected to be larger than or equal to the path loss threshold value, setting the power level of the terminal to be 2.
Optionally, the computer program may further implement the following steps when executed by the processor 501: if the judgment parameter is RSRP and the power level of the terminal is set to be 3, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to a network; or if the judgment parameter is RSRP and the power level of the terminal is set to be 2, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to a network; or, if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set as the power level 3, calculating the power headroom PowerHeadRoom according to the power level 3 and reporting the power headroom PowerHeadRoom to the network; or, if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be the power level 2, calculating the powerHeadRoom according to the power level 2 and reporting the powerHeadRoom to the network; or, if the judgment parameter is the path loss and the power level of the terminal is set to be 3, calculating the PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to the network; or, if the judgment parameter is the path loss and the terminal power level is set to be the power level 2, calculating the PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the method for controlling terminal power according to the embodiment of the present invention, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
Additionally, the terms "system" and "network" are often used interchangeably herein.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may also be determined from a and/or other information.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network-side device, etc.) to execute some steps of the transceiving method according to various embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A method for terminal power control, comprising:
determining a judgment parameter;
determining the power grade of the terminal according to the judgment parameter;
performing corresponding power control on the terminal according to the power grade and the judgment parameter;
the determining the power level of the terminal according to the judgment parameter is that Reference Signal Received Power (RSRP) is determined, and includes:
triggering RSRP critical value P when detecting that the RSRP is larger than the terminal power level adjustment 0 Setting a terminal power level to a power level 3, wherein the terminal power level adjustment triggers an RSRP threshold value P 0 The maximum RSRP value when the transmitting power of the terminal is larger than or equal to the first transmitting power threshold value is obtained;
triggering an RSRP threshold value when detecting that the RSRP is less than or equal to a terminal power level adjustment 0 Setting the power level of the terminal to be 2;
alternatively, the first and second electrodes may be,
the determining the judging parameter is the transmitting power of the terminal, and the determining the power grade of the terminal according to the judging parameter comprises the following steps:
when detecting the transmitting power P of the terminal out When the power level is smaller than the second transmitting power threshold value, setting the power level of the terminal as 3;
when detecting the transmitting power P of the terminal out When the power level is larger than or equal to the second transmitting power threshold value, setting the power level of the terminal as a power level 2;
alternatively, the first and second electrodes may be,
the determining the power level of the terminal according to the judging parameter is that the judging parameter is path loss, the path loss represents a difference value between the transmitting power of the current cell and the receiving power measured by the terminal, and the determining the power level of the terminal comprises the following steps:
when the path loss is detected to be smaller than a path loss threshold value, setting the power level of the terminal to be 3;
and when the path loss is detected to be larger than or equal to the path loss threshold value, setting the power level of the terminal to be 2.
2. The method of claim 1,
the performing corresponding power control on the terminal according to the power level and the judgment parameter includes:
if the judgment parameter is RSRP and the power level of the terminal is set to be 3, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to a network; alternatively, the first and second electrodes may be,
if the judgment parameter is RSRP and the power level of the terminal is set to be 2, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to a network; alternatively, the first and second liquid crystal display panels may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 3, calculating the power margin PowerHeadRoom according to the power level 3 and reporting the power margin PowerHeadRoom to the network; alternatively, the first and second liquid crystal display panels may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
if the judgment parameter is the path loss and the power level of the terminal is set to be 3, calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
and if the judgment parameter is the path loss and the power level of the terminal is set to be the power level 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network.
3. The method of claim 1, further comprising:
when detecting the transmitting power P of the terminal out When the transmission power is larger than or equal to the first transmission power threshold value, recording and storing the transmission power P of the terminal out An RSRP value when the RSRP value is larger than or equal to a first transmission power threshold value;
the maximum RSRP value in the recorded multiple sets of RSRP values is used as the terminal power level adjustment trigger RSRP critical value P 0 。
4. A terminal, comprising: a processor for determining a judgment parameter;
the processor is further configured to determine a power level of the terminal according to the judgment parameter;
the processor is further configured to perform corresponding power control on the terminal according to the power level and the determination parameter;
the processor is further configured to:
triggering RSRP critical value P when detecting that RSRP is larger than terminal power level adjustment 0 Setting a terminal power level to a power level 3, wherein the terminal power level adjustment triggers an RSRP threshold value P 0 The maximum RSRP value when the transmission power of the terminal is larger than or equal to the first transmission power threshold value is obtained;
triggering an RSRP threshold value when detecting that the RSRP is less than or equal to a terminal power level adjustment 0 Setting the power level of the terminal to be 2;
alternatively, the first and second liquid crystal display panels may be,
the processor is further configured to: when the transmitting power P of the terminal is detected out When the power level is smaller than the second transmitting power threshold value, setting the power level of the terminal as 3; when detecting the transmitting power P of the terminal out When the power level is greater than or equal to the second transmission power threshold value, setting the power level of the terminal as a power level 2;
alternatively, the first and second liquid crystal display panels may be,
the processor is further configured to: when detecting that the path loss is smaller than a path loss threshold value, setting the power level of the terminal to be 3; and when the path loss is detected to be larger than or equal to the path loss threshold value, setting the power level of the terminal to be 2.
5. The terminal of claim 4, wherein the processor is further configured to:
if the judgment parameter is RSRP and the power level of the terminal is set to be 3, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to a network; alternatively, the first and second liquid crystal display panels may be,
if the judgment parameter is RSRP and the power level of the terminal is set to be 2, actively initiating the report of the power level of the terminal, or calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to a network; alternatively, the first and second liquid crystal display panels may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 3, calculating power headroom PowerHeadRoom according to the power level 3 and reporting the power headroom PowerHeadRoom to the network; alternatively, the first and second electrodes may be,
if the judgment parameter is the transmitting power of the terminal and the power level of the terminal is set to be 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network; alternatively, the first and second liquid crystal display panels may be,
if the judgment parameter is the path loss and the power level of the terminal is set to be 3, calculating PowerHeadRoom according to the power level 3 and reporting the PowerHeadRoom to the network; alternatively, the first and second liquid crystal display panels may be,
and if the judgment parameter is the path loss and the power level of the terminal is set to be the power level 2, calculating PowerHeadRoom according to the power level 2 and reporting the PowerHeadRoom to the network.
6. The terminal of claim 4, wherein the processor is further configured to: when detecting the transmitting power P of the terminal out When the transmission power is larger than or equal to the first transmission power threshold value, recording and storing the transmission power P of the terminal out An RSRP value when the RSRP value is larger than or equal to a first transmission power threshold value; taking the maximum RSRP value from the recorded multiple sets of RSRP values as a terminal power level adjustment trigger RSRP critical value P 0 。
7. A terminal, comprising: processor, memory and computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps of the method of terminal power control according to any of claims 1 to 3.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of terminal power control according to any one of claims 1 to 3.
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| CN103037493B (en) * | 2012-12-14 | 2016-08-03 | 中兴通讯股份有限公司 | Dynamically adjust and launch the method and device of power, intelligent terminal |
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