CN104754717B

CN104754717B - A kind of Poewr control method and user equipment

Info

Publication number: CN104754717B
Application number: CN201310733651.7A
Authority: CN
Inventors: 张家佶
Original assignee: Huawei Technologies Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2013-12-26
Filing date: 2013-12-26
Publication date: 2019-02-05
Anticipated expiration: 2033-12-26
Also published as: CN104754717A

Abstract

The invention discloses a kind of Poewr control method and user equipmenies, it is related to field of communication technology, solves the transmission quality variation due to downlink DPCCH, so that base station accurately can not receive and respond the signal that user equipment is sent by uplink DPCCH, therefore the problem of lead to the cutting off rate increase of user equipment.Method of the invention can specifically include: obtain the quality of reception of the down control channel of base station；If eat dishes without rice or wine pad value and load bottom that the quality of reception lower than intended recipient quality, obtains base station respectively are made an uproar, value and base station are properly received the demodulation threshold value of uplink control channel；According to pad value of eating dishes without rice or wine, load bottom make an uproar value and demodulation threshold value acquisition transmission power guard interval；Judge whether the current transmission power of uplink control channel falls into transmission power guard interval；If it is not, then adjusting current transmission power according to transmission power guard interval.It can be applied in the transmission power of setting uplink control channel.

Description

A kind of Poewr control method and user equipment

Technical field

The present invention relates to field of communication technology more particularly to Poewr control methods and user equipment.

Background technique

Before user equipment is communicated with base station, user equipment can match according to the corresponding information that base station issues first Set uplink control channel such as DPCCH(Dedicated Physical Control Channel, Dedicated Physical Control Channel) Transmission power, then user equipment can pass through uplink control channel and be sent according to the configured transmission power to base station and be believed Number.

The transmission power for the corresponding information configuration uplink DPCCH that user equipment is issued according to base station may include:

User equipment divides downlink DPCCH(or F-DPCH(Fractional-Dedicated Physical Channel Number dedicated physical channel)) in TPC(Transmission Power Control, transmitting power control) domain parsed, obtained Obtain the TPC control word of each Radio Link；According to corresponding rule, the TPC control word of multiple Radio Link collection is merged, is obtained Control the TPC command of the transmission power of the uplink DPCCH of user equipment；The TPC command that user equipment is obtained according to each time slot Calculate power variation of the uplink DPCCH relative to a upper time slot, calculation formula can be with are as follows: DPCCH power variation=TPC × TPC_cmd, wherein TPC is power step size, and TPC_cmd is TPC command, and TPC command can increase for power or power drop Low or power is constant, to obtain the objective emission power of uplink DPCCH；According to calculated uplink DPCCH power variation Obtain the power bias ratio of each channel relative uplink DPCCH；According to the power bias ratio of each channel relative uplink DPCCH Example calculates the total transmission power of uplink DPCCH.

But when the transmission quality of downlink DPCCH is deteriorated, the bit error rate of downlink DPCCH can increase therewith, so that user There is a certain error by parsing the TPC control word obtained for equipment, and then leads to the transmission power of calculated uplink DPCCH And there are deviations for theoretic transmission power, if the transmission power of calculated uplink DPCCH is too lower than theoretical emitted power Greatly, it will lead to the quality of reception of signal that user equipment is transmitted by uplink DPCCH in base station to be deteriorated, and then cause base station can not The signal that user equipment is sent by uplink DPCCH is accurately received and responds, for example, base station can not accurately be responded under Row DPCCH carries out the demand of lifting transmission power, in this way, make user equipment that can not accurately obtain TPC command, it is so pernicious Circulation, causes the cutting off rate of user equipment to increase.

Summary of the invention

The present invention provides a kind of Poewr control method and user equipment, solves the transmission quality change due to downlink DPCCH Difference so that base station accurately can not receive and respond the signal that user equipment is sent by uplink DPCCH, therefore leads to user The problem of cutting off rate of equipment increases.

In order to achieve the above objectives, the present invention adopts the following technical scheme:

In a first aspect, providing a kind of Poewr control method, comprising:

Obtain the quality of reception of the down control channel of base station；

If the quality of reception of the down control channel is lower than intended recipient quality, eating dishes without rice or wine for the base station is obtained respectively Value is made an uproar at pad value and load bottom and the base station is properly received the demodulation threshold value of uplink control channel；

It is made an uproar value and the demodulation threshold value according to the pad value of eating dishes without rice or wine, the load bottom, obtains transmission power protection zone Between, the transmission power guard interval includes the transmission power for making the base station be properly received the uplink control channel；

Judge whether the current transmission power of the uplink control channel falls into the transmission power guard interval；

If the current transmission power is not fallen in the transmission power guard interval, protected according to the transmission power Section adjusts the current transmission power, and the current transmission power adjusted is made to fall in the transmission power guard interval In.

With reference to first aspect, in the first possible implementation of the first aspect, the downlink control for obtaining base station The quality of reception of channel processed, comprising:

Obtain the bit error rate of the down control channel；

If the quality of reception of the down control channel is lower than intended recipient quality, the base station is obtained respectively It eats dishes without rice or wine pad value and to load that value is made an uproar at bottom and the base station is properly received the demodulation threshold value of uplink control channel, comprising:

If the bit error rate of the down control channel is greater than the default bit error rate, eat dishes without rice or wine described in acquisition respectively pad value and institute Load bottom is stated to make an uproar value and the demodulation threshold value.

With reference to first aspect, in the second possible implementation of the first aspect, the downlink control for obtaining base station The quality of reception of channel processed, comprising:

Obtain the signal-to-noise ratio of the down control channel；

If the signal-to-noise ratio of the down control channel is less than default signal-to-noise ratio, eat dishes without rice or wine described in acquisition respectively pad value and institute Load bottom is stated to make an uproar value and the demodulation threshold value.

With reference to first aspect or second of the first possible implementation of first aspect or first aspect possible Implementation, in a third possible implementation of the first aspect, the pad value of eating dishes without rice or wine for obtaining the base station respectively Value is made an uproar with load bottom and the base station is properly received the demodulation threshold value of uplink control channel, comprising:

Receive the system message that the base station is sent；

The transmission power of down public guide frequency channel is obtained from the system message and the load bottom is made an uproar value；

Measure the reception power of the down public guide frequency channel；

The reception power that the transmission power of the down public guide frequency channel is subtracted to the down public guide frequency channel, obtains To the pad value of eating dishes without rice or wine；

Obtain the demodulation threshold value.

The third possible implementation with reference to first aspect, in the 4th kind of possible implementation of first aspect In, it is described to obtain the demodulation threshold value, it specifically includes:

The demodulation threshold value is obtained by emulation.

The third possible implementation with reference to first aspect, in the 5th kind of possible implementation of first aspect In, the method also includes:

If the quality of reception of the down control channel be not less than the intended recipient quality, every preset time according to Formula Dem_Th=P-Los-nodeB_Noise calculates the demodulation threshold value Dem_Th；

It is described to obtain the demodulation threshold value, it specifically includes:

It obtains at the time of nearest away from current time and is calculated by the formula Dem_Th=P-Los-nodeB_Noise Obtained Dem_Th；

Wherein, the P is the current transmission power of the uplink control channel, and the Los is the pad value of eating dishes without rice or wine, institute Stating nodeB_Noise is that the load bottom is made an uproar value.

With reference to first aspect or the 5th kind of the first possible implementation of first aspect to first aspect possible Formula either in implementation, it is in the sixth possible implementation of the first aspect, described to eat dishes without rice or wine to decay according to Value, the load bottom are made an uproar value and the demodulation threshold value, and transmission power guard interval is obtained, comprising:

Transmission power target value P_Target is calculated according to formula P_Target=Dem_Th+Los+nodeB_Noise；

The P_Target is added into predetermined power difference delta, obtains the upper limit value of the transmission power guard interval；

The P_Target is subtracted into the delta, obtains the lower limit value of the transmission power guard interval；

Wherein, the Dem_Th is the demodulation threshold value, and the Los is the pad value of eating dishes without rice or wine, the nodeB_ Noise is that the load bottom is made an uproar value.

The 6th kind of possible implementation with reference to first aspect, in the 7th kind of possible implementation of first aspect In, it is described that the current transmission power is adjusted according to the transmission power guard interval, comprising:

If the current transmission power is greater than the upper limit value, the current transmission power is adjusted to the upper limit Value；

If the current transmission power is less than the lower limit value, the current transmission power is adjusted to the lower limit Value.

The 6th kind of possible implementation with reference to first aspect, in the 8th kind of possible implementation of first aspect In, the method also includes:

If the current transmission power is fallen into the transmission power guard interval, using the current transmission power with The base station carries out signal transmission, and it is following any one that the current transmission power, which falls into the transmission power guard interval: The current transmission power is equal to the upper limit value or the current transmission power is less than the upper limit value and is greater than the lower limit Value or the current transmission power are equal to the lower limit value.

Second aspect provides a kind of user equipment, comprising:

Acquiring unit, the quality of reception of the down control channel for obtaining base station；If the down control channel connects Receive quality and be lower than intended recipient quality, then obtain respectively the base station eat dishes without rice or wine pad value and load bottom is made an uproar value and the base Station is properly received the demodulation threshold value of uplink control channel；It is made an uproar value and the solution according to the pad value of eating dishes without rice or wine, the load bottom Pitch limit value, obtains transmission power guard interval, and the transmission power guard interval is described including being properly received the base station The transmission power of uplink control channel；

Judging unit is obtained for judging whether the current transmission power of the uplink control channel falls into the acquiring unit In the transmission power guard interval taken；

Adjustment unit is protected if not falling within the transmission power that the acquiring unit obtains for the current transmission power It protects in section, then the current transmission power is adjusted according to the transmission power guard interval, make the current hair adjusted Power is penetrated to fall in the transmission power guard interval.

With reference to first aspect, in the first possible implementation of the first aspect, the acquiring unit, is specifically used for Obtain the bit error rate of the down control channel；If the bit error rate of the down control channel is greater than the default bit error rate, distinguish It eats dishes without rice or wine pad value described in acquisition and the load bottom is made an uproar value and the demodulation threshold value.

With reference to first aspect, in the second possible implementation of the first aspect, the acquiring unit, is specifically used for Obtain the signal-to-noise ratio of the down control channel；If the signal-to-noise ratio of the down control channel is less than default signal-to-noise ratio, distinguish It eats dishes without rice or wine pad value described in acquisition and the load bottom is made an uproar value and the demodulation threshold value.

With reference to first aspect or second of the first possible implementation of first aspect or first aspect possible Implementation, in a third possible implementation of the first aspect, the acquiring unit, comprising:

Receiving module, the system message sent for receiving the base station；

Module is obtained, for obtaining down public guide frequency channel from the received system message of the receiving module Transmission power and the load bottom are made an uproar value；

Measurement module, for measuring the reception power of the down public guide frequency channel；

The transmission power of computing module, the down public guide frequency channel for obtaining the acquisition module subtracts institute The reception power for stating the down public guide frequency channel that measurement module measurement obtains obtains the pad value of eating dishes without rice or wine；

The acquisition module is also used to obtain the demodulation threshold value.

The third possible implementation with reference to first aspect, in the 4th kind of possible implementation of first aspect In, the acquisition module, specifically for obtaining the demodulation threshold value by emulation.

The third possible implementation with reference to first aspect, in the 5th kind of possible implementation of first aspect In, the user equipment further include:

Computing unit, if the quality of reception for the down control channel is not less than the intended recipient quality, often The demodulation threshold value Dem_Th is calculated according to formula Dem_Th=P-Los-nodeB_Noise every preset time；

The acquisition module, be specifically used for obtaining the computing unit at the time of nearest away from current time on by described The Dem_Th that formula Dem_Th=P-Los-nodeB_Noise is calculated；

With reference to first aspect or the 5th kind of the first possible implementation of first aspect to first aspect possible Formula either in implementation, in the sixth possible implementation of the first aspect, the computing module is also used to root Transmission power target value P_Target is calculated according to formula P_Target=Dem_Th+Los+nodeB_Noise；By the P_ Target adds predetermined power difference delta, obtains the upper limit value of the transmission power guard interval；The P_Target is subtracted The delta is removed, the lower limit value of the transmission power guard interval is obtained；

The 6th kind of possible implementation with reference to first aspect, in the 7th kind of possible implementation of first aspect In, the adjustment unit, if being specifically used for the current transmission power is greater than the calculated upper limit value of the computing module, The current transmission power is then adjusted to the upper limit value；It is calculated if the current transmission power is less than the computing module The lower limit value, then the current transmission power is adjusted to the lower limit value.

The 6th kind of possible implementation with reference to first aspect, in the 8th kind of possible implementation of first aspect In, the user equipment further include:

Transmission unit, if falling into the transmission power protection that the acquiring unit obtains for the current transmission power In section, then signal transmission is carried out using the current transmission power and the base station, the current transmission power falls into described Transmission power guard interval is following any one: the current transmission power is equal to the upper limit value or the current transmitting Power is less than the upper limit value and is greater than the lower limit value or the current transmission power equal to the lower limit value.

Poewr control method and user equipment provided by the invention, obtain the quality of reception of the down control channel of base station； If the quality of reception of the down control channel be lower than intended recipient quality, obtain respectively the base station eat dishes without rice or wine pad value and Value is made an uproar at load bottom and the base station is properly received the demodulation threshold value of uplink control channel；According to the pad value of eating dishes without rice or wine, institute It states load bottom to make an uproar value and the demodulation threshold value, obtains transmission power guard interval, the transmission power guard interval is including making The base station is properly received the transmission power of the uplink control channel；Judge the current transmission power of the uplink control channel Whether fall into the transmission power guard interval；If the current transmission power does not fall within the transmission power guard interval In, then the current transmission power is adjusted according to the transmission power guard interval, makes the current transmission power adjusted It falls in the transmission power guard interval.After adopting the above scheme, user equipment can be according to the calculated transmitting function Rate guard interval will adjust the current transmission power of the uplink control channel, fall in the current transmission power adjusted In the transmission power guard interval, since the transmission power guard interval includes being properly received the base station on described The transmission power of row control channel, therefore, even if the transmission quality of current downlink control channel is deteriorated, as long as will currently emit function Rate is adjusted to any transmission power in the transmission power guard interval, just the base station can be made to be properly received user equipment The signal sent by uplink control channel, thereby reduces the cutting off rate of user equipment.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is that the present embodiment provides a kind of flow charts of Poewr control method；

Fig. 2 is that the present embodiment provides the flow charts of another Poewr control method；

Fig. 3 is that the present embodiment provides a kind of structural schematic diagrams of the virtual bench of user equipment；

Fig. 4 is that the present embodiment provides the structural schematic diagrams of the virtual bench of another user equipment；

Fig. 5 is that the present embodiment provides a kind of structural schematic diagrams of the entity apparatus of user equipment.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

The present embodiment provides a kind of Poewr control methods, as shown in Figure 1, may include:

101, the quality of reception of the down control channel of base station is obtained.

User equipment can know the state of the down control channel by the quality of reception of the down control channel Quality, the quality of down control channel will affect user equipment calculate uplink control channel current transmission power it is accurate Property, as a result, in order to accurately calculate the current transmission power of uplink control channel in the next steps, then user sets The quality of reception of the standby down control channel that can obtain the base station first.

As an embodiment of the present embodiment, user equipment can receive the system message that the base station issues, so Afterwards, the quality of reception of the down control channel of the base station is obtained according to the system message received, wherein downlink control Channel can include but is not limited to downlink DPCCH.

The content for including in the system message that the present embodiment issues the base station is not construed as limiting, and is those skilled in the art Well known technology, details are not described herein.

If 102, the quality of reception of the down control channel is lower than intended recipient quality, the base station is obtained respectively It eats dishes without rice or wine pad value and to load that value is made an uproar at bottom and the base station is properly received the demodulation threshold value of uplink control channel.

As an embodiment of the present embodiment, if user equipment judges that the quality of reception of the base station is poor, i.e., The quality of reception be lower than the intended recipient quality, then user equipment can obtain respectively the base station eat dishes without rice or wine pad value and Value is made an uproar at load bottom and the base station is properly received the demodulation threshold value of uplink control channel, it should be noted that the present embodiment In, uplink control channel and down control channel are mutual corresponding same type of channels, i.e. the control information of transmission Type it is identical, such as: in uplink DPCCH and corresponding downlink DPCCH, the control information of transmission includes transmission power control It instructs (TPC), feedback information (FBI) and an optional transformat combination instruction (TFCI).

The pad value of eating dishes without rice or wine, the load bottom make an uproar value can be used for characterizing down public guide frequency channel (English: Common Pilot Channel, abbreviation: CPICH) interference that is subject to, that is, it can be used for the interference that characterization uplink control channel is subject to, In, the demodulation threshold information can be used for limiting minimum power required when the demodulated signal of base station, and in other words, base station only exists In the case where demodulation threshold value of the signal power received not less than base station, the signal received could be correctly demodulated, i.e., Signal can be had correctly received.

It is worth noting that the base station mentioned in the present embodiment can be properly received through the uplink control channel The signal sent refers to that the base station can correctly solve the signal sent by the uplink control channel It adjusts, repeats no more in the next steps.

103, eat dishes without rice or wine according to pad value, the load bottom is made an uproar value and the demodulation threshold value, is obtained transmission power and is protected Protect section.

The transmission power guard interval may include the transmitting for making the base station be properly received the uplink control channel Power.Any transmitting even set the transmission power of the uplink control channel in the transmission power guard interval Power can then guarantee that the base station can accurately receive the signal sent by the uplink control channel, for example, It can guarantee that the base station can correctly demodulate the signal sent by the uplink control channel.

104, judge whether the current transmission power of the uplink control channel falls into the transmission power guard interval.

The current transmission power of the uplink control channel provided in this step can be user equipment and be counted according to the domain TPC It obtains, specific calculation method is briefly described in the background technology, and the technology is those skilled in the art Well known technology, details are not described herein.

Since the transmission power that the quality of reception of down control channel can calculate user equipment uplink control channel generates It influences, the quality of reception of even down control channel is poor, then may cause the current transmitting of calculated uplink control channel Power inaccuracy, if the difference between the current transmission power and theoretical emitted power is larger, causes the base station can not It is properly received the signal that the user equipment is sent by the uplink control channel, i.e., so that the base station is set with the user Signal transmission can not be accurately carried out between standby, therefore, after the quality of reception for determining the down control channel is poor, user Equipment also needs to judge difference between the current transmission power and theoretical emitted power, specifically, can be to work as described in judgement Whether preceding transmission power falls into the transmission power guard interval, if the current transmission power falls into the transmission power and protects It protects in section, then illustrates that difference is smaller between the current transmission power and theoretical emitted power, if the current transmission power Do not fall in the transmission power guard interval, then illustrate between the current transmission power and theoretical emitted power difference compared with Greatly.

If 105, the current transmission power is not fallen in the transmission power guard interval, according to the transmission power Guard interval adjusts the current transmission power, and the current transmission power adjusted is made to fall in the transmission power protection zone Between in.

If the current transmission power is not fallen in the transmission power guard interval, illustrate the current transmission power Difference is larger between theoretical emitted power, at this point, passing through uplink to allow the base station correctly to receive user equipment The signal that control channel is sent, in order to make can accurately to carry out signal transmission between the base station and the user equipment, Then the current transmission power can be adjusted according to the transmission power guard interval, make the current transmission power adjusted It falls in the transmission power guard interval, e.g., the current transmission power can be adjusted in the transmitting guard interval Any transmission power, in this way, passing through the uplink control channel and using transmission power adjusted to institute in user equipment After stating base station transmission signal, the base station can correctly demodulate the signal, i.e., the described base station, which can be properly received, to be passed through The signal that the uplink control channel is sent, so that being able to carry out between the base station and the user equipment accurately Signal transmission.

In the present embodiment, the quality of reception of the down control channel of base station is obtained；If the reception of the down control channel Quality is lower than intended recipient quality, then obtain respectively the base station eat dishes without rice or wine pad value and load bottom is made an uproar value and the base station It is properly received the demodulation threshold value of uplink control channel；It is made an uproar value and the demodulation according to the pad value of eating dishes without rice or wine, the load bottom Threshold value, obtains transmission power guard interval, and the transmission power guard interval includes being properly received the base station on described The transmission power of row control channel；Judge whether the current transmission power of the uplink control channel falls into the transmission power and protect It protects in section；If the current transmission power is not fallen in the transmission power guard interval, protected according to the transmission power It protects section and adjusts the current transmission power, the current transmission power adjusted is made to fall in the transmission power guard interval In.After adopting the above scheme, user equipment can will adjust the uplink according to the calculated transmission power guard interval The current transmission power of control channel falls in the current transmission power adjusted in the transmission power guard interval, Due to, the transmission power guard interval includes the transmission power for making the base station be properly received the uplink control channel, because This is protected even if the transmission quality of current downlink control channel is deteriorated as long as current transmission power is adjusted to the transmission power Any transmission power in section is protected, the base station just can be made to be properly received what user equipment was sent by uplink control channel Signal thereby reduces the cutting off rate of user equipment.

The present embodiment provides another power distribution method, this method be to method shown in FIG. 1 further expand and Optimization, as shown in Fig. 2, may include:

201, user equipment obtains the quality of reception of the down control channel of base station.

Further, the quality of reception of the down control channel for obtaining base station can be, but not limited to include: to obtain institute State the bit error rate of down control channel.The bit error rate is bigger, illustrates that the quality of reception of the down control channel is poorer, the bit error rate is got over It is small, illustrate that the quality of reception of the down control channel is better.

Further, the quality of reception of the down control channel for obtaining base station can also include: to obtain the downlink The signal-to-noise ratio of control channel.Signal-to-noise ratio is bigger, illustrates that the quality of reception of the down control channel is better, signal-to-noise ratio is smaller, says The quality of reception of the bright down control channel is poorer.

The method that the present embodiment obtains the quality of reception of the down control channel of base station to user equipment is not construed as limiting, for this Technology known to the technical staff of field, and can be set according to actual needs, details are not described herein.

The present embodiment is not construed as limiting down control channel and uplink control channel, can be set according to actual needs It is fixed, it can be respectively downlink DPCCH or uplink DPCCH etc., details are not described herein e.g..

202, user equipment judges whether the quality of reception is lower than intended recipient quality, if the quality of reception is lower than institute Intended recipient quality is stated, thens follow the steps 203, if the quality of reception is not less than the intended recipient quality, is thened follow the steps 209。

Further, if user equipment gets the bit error rate of the down control channel, described in user equipment judgement Whether the quality of reception is lower than the intended recipient quality can be with are as follows: whether the bit error rate that user equipment judgement is got is greater than The default bit error rate then illustrates the quality of reception lower than the intended recipient quality, if being less than if more than the default bit error rate Or be equal to the default bit error rate, then illustrate the quality of reception not less than the intended recipient quality.

Wherein, the default bit error rate can be user equipment by emulation mode or obtain by rule of thumb, such as can be 10% etc., which is technology well known to those skilled in the art, and details are not described herein.

The present embodiment is not construed as limiting the bit error rate and its acquisition methods of down control channel, is that those skilled in the art are ripe The technology known, and can be set according to actual needs, details are not described herein.

Further, if user equipment gets the signal-to-noise ratio of the down control channel, described in user equipment judgement Whether the quality of reception is lower than intended recipient quality can be with are as follows: whether the signal-to-noise ratio that user equipment judgement is got is less than default noise Than illustrating the quality of reception lower than the intended recipient quality, if more than or equal to institute if being less than the default signal-to-noise ratio Default signal-to-noise ratio is stated, then illustrates the quality of reception not less than the intended recipient quality.

The present embodiment is not construed as limiting the signal-to-noise ratio and its acquisition methods of down control channel, is that those skilled in the art are ripe The technology known, and can be set according to actual needs, details are not described herein.

203, user equipment obtain respectively the base station eat dishes without rice or wine pad value and load bottom make an uproar value and the base station it is correct Receive the demodulation threshold value of uplink control channel.

Further, user equipment obtain described in eat dishes without rice or wine pad value can be, but not limited to include:

Receive the system message that the base station is sent；The transmitting of down public guide frequency channel is obtained from the system message Power；Measure the reception power of the down public guide frequency channel, it can be RSCP(Received Signal Code Power, received signal code power intensity)；The transmission power of the down public guide frequency channel subtracts to the downlink is public to be led The reception power of frequency channel obtains the pad value of eating dishes without rice or wine

It eats dishes without rice or wine to decay according to formula Los=CPICH_P-RSCP calculating down control channel specifically, can be Value, wherein Los is the pad value of eating dishes without rice or wine, and CPICH_P is the transmission power of the down public guide frequency channel.

Further, user equipment obtain the load bottom make an uproar value can be, but not limited to include:

User equipment can obtain the load bottom from the system message and make an uproar value.

Further, user equipment, which obtains the demodulation threshold value and can be, but not limited to, includes:

The demodulation threshold value is obtained by emulation.

For example, the demodulation threshold value got by emulation mode can be 10Db etc. when the bit error rate is 1%.

But the accuracy of the demodulation threshold value got by emulation mode may be lower.Due to described to eat dishes without rice or wine to decay Value and the load bottom value of making an uproar are obtained according to the system message that the base station issues, in the reception of the down control channel When quality is not less than the intended recipient quality, according to the system message that the base station issues get described in eat dishes without rice or wine pad value With it is described load bottom make an uproar value accuracy it is also higher, therefore, user equipment can be in the quality of reception of the down control channel When not less than the intended recipient quality, pad value is eated dishes without rice or wine and load bottom value of making an uproar calculates the demodulation threshold according to described Value, and demodulation threshold value can be updated, in this way, substantially increasing the accuracy of demodulation threshold value.

Specifically, user equipment is eated dishes without rice or wine according to pad value and the load bottom make an uproar value calculate the demodulation threshold value can To include:

If judging the quality of reception of the down control channel not less than the intended recipient quality, user equipment can To calculate the demodulation threshold value Dem_Th according to formula Dem_Th=P-Los-nodeB_Noise every preset time, then, When calculating the transmission power guard interval, can be used at the time of nearest away from current time through the formula Dem_ The Dem_Th that Th=P-Los-nodeB_Noise is calculated is calculated.

204, eat dishes without rice or wine according to pad value, the load bottom of user equipment is made an uproar value and the demodulation threshold value, obtains hair Penetrate power guard interval.

To guarantee accurately carry out signal transmission between user equipment and the base station, then believed by upload control The signal that road is transmitted needs to overcome corresponding interference, which may include: that uplink control channel eats dishes without rice or wine to decay It makes an uproar with the load bottom of the base station, therefore, when the transmission power of uplink control channel is arranged, needs in view of upload control The load bottom of eat dishes without rice or wine pad value and the base station of channel is made an uproar value, in addition, it is also necessary to consider the demodulation threshold, wherein can be with Using the pad value of eating dishes without rice or wine of the pad value replacement uplink control channel of eating dishes without rice or wine of down public guide frequency channel, that is, calculating the transmitting The pad value of eating dishes without rice or wine of down public guide frequency channel can be used when power guard interval.User equipment can be according to downlink as a result, CPICH Common Pilot Channel eat dishes without rice or wine pad value and value is made an uproar at the load bottom and the demodulation threshold value calculates the transmission power and protects Section is protected, the transmission power guard interval may include the transmitting function for making the base station be properly received the uplink control channel Rate.

Further, eat dishes without rice or wine according to pad value, the load bottom of user equipment is made an uproar value and the demodulation threshold value, Acquisition transmission power guard interval can be, but not limited to

Transmission power target value P_Target is calculated according to formula P_Target=Dem_Th+Los+nodeB_Noise；It will The P_Target adds predetermined power difference delta, obtains the upper limit value of the transmission power guard interval, i.e., the described upper limit Value is equal to (P_Target+delta)；The P_Target is subtracted into the delta, obtains the transmission power guard interval Lower limit value, i.e., the described lower limit value are equal to (P_Target-delta).

It follows that the calculated transmission power guard interval of user equipment can be section [P_Target-delta, P_ Target+delta]。

The present embodiment is not construed as limiting delta, can be set according to actual needs, for example, can be 3Db etc., This is repeated no more.

205, user equipment judges that the current transmission power value of the uplink control channel is greater than the upper limit value (P_ Target+delta), also it is less than the lower limit value (P_Target-delta).If more than the upper limit value (P_Target+ Delta), 206 are thened follow the steps, if being less than the lower limit value (P_Target-delta), thens follow the steps 207, if both less In the upper limit value (P_Target+delta) nor less than the lower limit value (P_Target-delta), then uplink control channel The current transmission power it is constant, and step 209 can be executed.

If the current transmission power is greater than the upper limit value (P_Target+delta), or is less than the lower limit value (P_ Target-delta), then illustrate that the current transmission power is not fallen in the transmission power guard interval, and then can illustrate Difference between the current transmission power and theoretical emitted power is larger, can not be quasi- between the base station and the user equipment True carry out signal transmission；If the current transmission power be both not more than the upper limit value (P_Target+delta) nor less than The lower limit value (P_Target-delta) then illustrates that the current transmission power falls into the transmission power guard interval In, and then can illustrate that the difference between the current transmission power and theoretical emitted power is smaller, the base station and the use Signal transmission can be accurately carried out between the equipment of family.

If the quality of reception of the down control channel is lower than the intended recipient quality, and the current transmission power is not It falls into the transmission power guard interval, then the current transmission power can be adjusted to the transmission power guard interval In any transmission power, in this way, user equipment is sent out using the transmission power of uplink control channel adjusted to the base station After the number of delivering letters, the base station can have correctly received the signal, so that the base station can be accurate with the user equipment Carry out signal transmission.

206, the current transmission power of the uplink control channel is set the upper limit value (P_ by user equipment Target+delta)。

If the quality of reception of the down control channel is lower than the intended recipient quality, and the uplink control channel The current transmission power value is not fallen in the transmission power guard interval, then is illustrated using after the current transmission power, Base station and user equipment can not carry out accurate signal transmission, if the current transmission power value is greater than the upper limit value as a result, It (P_Target+delta), then, can be by institute in order to guarantee to be able to carry out accurate signal transmission between user equipment and base station It states current transmission power and is adjusted to the upper limit value (P_Target+delta).

Execute step 208.

207, the current transmission power of the uplink control channel is set the lower limit value (P_ by user equipment Target-delta)。

If the quality of reception of the down control channel is lower than the intended recipient quality, and the uplink control channel The current transmission power value is not fallen in the transmission power guard interval, then is illustrated using after the current transmission power, Base station and user equipment can not carry out accurate signal transmission, if the current transmission power value is less than the lower limit value as a result, It (P_Target-delta), then, can be by institute in order to guarantee to be able to carry out accurate signal transmission between user equipment and base station It states current transmission power and is adjusted to the lower limit value (P_Target-delta).

208, user equipment carries out signal using the transmission power of the uplink control channel adjusted and the base station Transmission.

User equipment carries out signal transmission using the transmission power of the uplink control channel adjusted and the base station, Base station is allowed accurately to receive the signal that user equipment is sent by the uplink control channel, i.e., the described base station and institute Signal transmission can accurately be carried out by stating user equipment.

Process terminates.

209, user equipment carries out signal transmission using the current transmission power and the base station.

If the quality of reception of the down control channel is not less than the intended recipient quality, alternatively, the downlink controls The quality of reception of channel is lower than the intended recipient quality, and falls into institute according to the calculated current transmission power in the domain TCP It states in transmission power guard interval, then illustrates that presently described base station can have correctly received the user equipment and pass through the uplink The signal that control channel is sent, i.e., presently described base station and the user equipment can accurately carry out signal transmission, use as a result, The current transmission power can be used in family equipment and the base station carries out signal transmission.

Further, it is following any one that the current transmission power, which falls into the transmission power guard interval: described Current transmission power is equal to the upper limit value (P_Target+delta) or the current transmission power is less than the upper limit value (P_Target+delta) and be greater than the lower limit value (P_Target-delta) or the current transmission power be equal to it is described under Limit value (P_Target-delta).

In the present embodiment, the quality of reception of the down control channel of base station is obtained；If the reception of the down control channel Quality is lower than the intended recipient quality, then obtain respectively the base station eat dishes without rice or wine pad value and load bottom is made an uproar value and described Base station is properly received the demodulation threshold value of uplink control channel；It is made an uproar value and described according to the pad value of eating dishes without rice or wine, the load bottom Demodulation threshold value, obtains transmission power guard interval, and the transmission power guard interval includes that the base station is made to be properly received institute State the transmission power of uplink control channel；Judge whether the current transmission power of the uplink control channel falls into the transmitting function In rate guard interval；If the current transmission power is not fallen in the transmission power guard interval, according to the transmitting function Rate guard interval adjusts the current transmission power, and the current transmission power adjusted is made to fall in the transmission power protection In section.After adopting the above scheme, described in user equipment can will be adjusted according to the calculated transmission power guard interval The current transmission power of uplink control channel makes the current transmission power adjusted fall in the transmission power guard interval In, due to, the transmission power guard interval includes the transmission power for making the base station be properly received the uplink control channel, Therefore, even if the transmission quality of current downlink control channel is deteriorated, as long as current transmission power is adjusted to the transmission power Any transmission power in guard interval just can make the base station be properly received user equipment and be sent by uplink control channel Signal, thereby reduce the cutting off rate of user equipment.

In addition, if the quality of reception of the down control channel is not less than the intended recipient quality, alternatively, the downlink The quality of reception of control channel is lower than the intended recipient quality, and the current transmission power of the uplink control channel is fallen Enter in the transmission power guard interval, then the current transmission power can be used in user terminal and the base station carries out signal Transmission, at this point, base station and the user equipment can accurately carry out signal transmission.

Further more, calculating the demodulation threshold value of the transmission power guard interval can not only be obtained by emulation mode It takes, it can also be in the case where the quality of reception be not less than the intended recipient quality, every preset time according to formula Dem_Th=P-Los-nodeB_Noise is calculated, in this way, increasing the accuracy of above-mentioned demodulation threshold value, and then can be more Effectively reduce the cutting off rate of user equipment.

The embodiment of some virtual bench is provided below, the embodiment of these virtual bench distinguishes the corresponding of above-mentioned offer Embodiment of the method is corresponding.

The present embodiment provides a kind of user equipmenies, as shown in Figure 3, comprising:

Acquiring unit 31, the quality of reception of the down control channel for obtaining base station；If the down control channel The quality of reception is lower than intended recipient quality, then obtain respectively the base station eat dishes without rice or wine pad value and load bottom is made an uproar value and described Base station is properly received the demodulation threshold value of uplink control channel；It is made an uproar value and described according to the pad value of eating dishes without rice or wine, the load bottom Demodulation threshold value, obtains transmission power guard interval, and the transmission power guard interval includes that the base station is made to be properly received institute State the transmission power of uplink control channel；

As an embodiment of the present embodiment, user equipment can receive the system message that the base station issues, so Afterwards, acquiring unit 31 can obtain the reception matter of the down control channel of the base station according to the system message received Amount.

If user equipment judges that the quality of reception of the base station is poor, i.e., the described quality of reception is lower than the intended recipient Quality, then acquiring unit 31 can obtain respectively the base station eat dishes without rice or wine pad value and value and the base station are being made an uproar just in load bottom Really receive the demodulation threshold value of uplink control channel.

The transmission power guard interval that the acquiring unit 31 obtains may include that the base station is made to be properly received institute State the transmission power of uplink control channel.Even the transmission power is set by the transmission power of the uplink control channel to protect Any transmission power in section is protected, then can guarantee that the base station can accurately be received and be believed by the upload control The signal that road is sent, such as, it is ensured that the base station can to the signal sent by the uplink control channel into The correct demodulation of row.

Judging unit 32, for judging whether the current transmission power of the uplink control channel falls into the acquiring unit In the transmission power guard interval obtained；

Since the transmission power that the quality of reception of down control channel can calculate user equipment uplink control channel generates It influences, the quality of reception of even down control channel is poor, then may cause the current transmitting of calculated uplink control channel Power inaccuracy, if the difference between the current transmission power and theoretical emitted power is larger, causes the base station can not It is properly received the signal that the user equipment is sent by the uplink control channel, i.e., so that the base station is set with the user Signal transmission can not be accurately carried out between standby, it is therefore, described after the quality of reception for determining the down control channel is poor Judging unit 32 also needs to judge difference between the current transmission power and theoretical emitted power, specifically, can be judgement Unit 32 judges whether the current transmission power falls into the transmission power guard interval, if the current transmission power is fallen Enter in the transmission power guard interval, then illustrates that difference is smaller between the current transmission power and theoretical emitted power, if The current transmission power is not fallen in the transmission power guard interval, then illustrates the current transmission power and theoretical emission Difference is larger between power.

Adjustment unit 33, if not falling within the transmission power that the acquiring unit obtains for the current transmission power In guard interval, then the current transmission power is adjusted according to the transmission power guard interval, made adjusted described current Transmission power is fallen in the transmission power guard interval.

If the current transmission power is not fallen in the transmission power guard interval, illustrate the current transmission power Difference is larger between theoretical emitted power, at this point, passing through uplink to allow the base station correctly to receive user equipment The signal that control channel is sent, in order to make can accurately to carry out signal transmission between the base station and the user equipment, Then adjustment unit 33 can adjust the current transmission power according to the transmission power guard interval, make adjusted described work as Preceding transmission power is fallen in the transmission power guard interval, and e.g., adjustment unit 33 can adjust the current transmission power For any transmission power in the transmitting guard interval, in this way, in user equipment by the uplink control channel and using After transmission power adjusted sends signal to the base station, the base station can correctly demodulate the signal, i.e., described Base station can be properly received the signal sent by the uplink control channel, so that the base station is set with the user Accurate signal transmission is able to carry out between standby.

In the present embodiment, acquiring unit, the quality of reception of the down control channel for obtaining base station；If the downlink control The quality of reception of channel processed is lower than intended recipient quality, then obtain respectively the base station eat dishes without rice or wine pad value and load bottom is made an uproar value, And the base station is properly received the demodulation threshold value of uplink control channel；It is made an uproar according to the pad value of eating dishes without rice or wine, the load bottom Value and the demodulation threshold value, obtain transmission power guard interval, and the transmission power guard interval includes making the base station just Really receive the transmission power of the uplink control channel；Judging unit, for judging the current transmitting of the uplink control channel Whether power falls into the transmission power guard interval that the acquiring unit obtains；Adjustment unit, if for described current Transmission power is not fallen in the transmission power guard interval that the acquiring unit obtains, then is protected according to the transmission power Section adjusts the current transmission power, and the current transmission power adjusted is made to fall in the transmission power guard interval In.After adopting the above scheme, user equipment can will adjust the uplink according to the calculated transmission power guard interval The current transmission power of control channel falls in the current transmission power adjusted in the transmission power guard interval, Due to, the transmission power guard interval includes the transmission power for making the base station be properly received the uplink control channel, because This is protected even if the transmission quality of current downlink control channel is deteriorated as long as current transmission power is adjusted to the transmission power Any transmission power in section is protected, the base station just can be made to be properly received what user equipment was sent by uplink control channel Signal thereby reduces the cutting off rate of user equipment.

The present embodiment provides another user equipment, which is the further expansion to user equipment shown in Fig. 3 Exhibition and optimization, as shown in figure 4, may include:

Acquiring unit 41, the quality of reception of the down control channel for obtaining base station；If the down control channel The quality of reception is lower than intended recipient quality, then obtain respectively the base station eat dishes without rice or wine pad value and load bottom is made an uproar value and described Base station is properly received the demodulation threshold value of uplink control channel；It is made an uproar value and described according to the pad value of eating dishes without rice or wine, the load bottom Demodulation threshold value, obtains transmission power guard interval, and the transmission power guard interval includes that the base station is made to be properly received institute State the transmission power of uplink control channel；

Judging unit 42, for judging whether the current transmission power of the uplink control channel falls into the acquiring unit In the 41 transmission power guard intervals obtained；

Adjustment unit 43, if not falling within the transmitting function that the acquiring unit 41 obtains for the current transmission power In rate guard interval, then the current transmission power is adjusted according to the transmission power guard interval, makes adjusted described work as Preceding transmission power is fallen in the transmission power guard interval.

Further, the acquiring unit 41, specifically for obtaining the bit error rate of the down control channel；If under described The bit error rate of row control channel is greater than the default bit error rate, then obtain respectively described in eat dishes without rice or wine pad value and the load bottom is made an uproar value, with And the demodulation threshold value.

Specifically, if the bit error rate of the down control channel got is greater than the default bit error rate, it can be said that The bright quality of reception is lower than the intended recipient quality, if the bit error rate of the down control channel got is less than or waits In the default bit error rate, it can be said that the bright quality of reception is not less than the intended recipient quality.

Further, the acquiring unit 41, specifically for obtaining the signal-to-noise ratio of the down control channel；If under described The signal-to-noise ratio of row control channel is less than default signal-to-noise ratio, then obtain respectively described in eat dishes without rice or wine pad value and the load bottom is made an uproar value, with And the demodulation threshold value.

Specifically, if the signal-to-noise ratio of the down control channel got is less than the default signal-to-noise ratio, it can be said that The bright quality of reception is lower than the intended recipient quality, if the signal-to-noise ratio of the down control channel got is greater than or waits In the default signal-to-noise ratio, it can be said that the bright quality of reception is not less than the intended recipient quality.

Further, the acquiring unit 41 may include:

Receiving module 411, the system message sent for receiving the base station；

Module 412 is obtained, for obtaining down public guide frequency from the received system message of the receiving module 411 The transmission power of channel and the load bottom are made an uproar value；

Measurement module 413, for measuring the reception power of the down public guide frequency channel；

Computing module 414, the transmission power of the down public guide frequency channel for obtaining the acquisition module 412 The reception power that the measurement module 413 measures the obtained down public guide frequency channel is subtracted, obtains described eating dishes without rice or wine to decay Value；

Specifically, the computing module 414, which can be, calculates down control channel according to formula Los=CPICH_P-RSCP The pad value of eating dishes without rice or wine, wherein Los is the pad value of eating dishes without rice or wine, and CPICH_P is the transmitting of the down public guide frequency channel Power.

The acquisition module 412, is also used to obtain the demodulation threshold value.

Further, the acquisition module 412, specifically for obtaining the demodulation threshold value by emulation.

Further, the user equipment further include:

Computing unit 44, if the quality of reception for the down control channel is not less than the intended recipient quality, The demodulation threshold value Dem_Th is calculated according to formula Dem_Th=P-Los-nodeB_Noise every preset time；

The acquisition module 412, be specifically used for obtaining the computing unit 44 at the time of nearest away from current time on lead to Cross the Dem_Th that the formula Dem_Th=P-Los-nodeB_Noise is calculated；

Further, the computing module 414, is also used to according to formula P_Target=Dem_Th+Los+nodeB_ Noise calculates transmission power target value P_Target；The P_Target is added into predetermined power difference delta, is obtained described The upper limit value of transmission power guard interval；The P_Target is subtracted into the delta, obtains the transmission power guard interval Lower limit value；

Further, the adjustment unit 43, if being specifically used for the current transmission power is greater than the computing module 414 The calculated upper limit value, then be adjusted to the upper limit value for the current transmission power；If the current transmission power is small In the calculated lower limit value of the computing module 414, then the current transmission power is adjusted to the lower limit value.

Further, the user equipment further include:

Transmission unit 45, if falling into the transmission power that the acquiring unit 41 obtains for the current transmission power In guard interval, then signal transmission is carried out using the current transmission power and the base station, the current transmission power is fallen into The transmission power guard interval is following any one: the current transmission power is equal to the upper limit value or described current Transmission power is less than the upper limit value and is greater than the lower limit value or the current transmission power equal to the lower limit value.

Further, after the adjustment unit 43 is adjusted the currently transmitted power, transmission unit 45 is also The transmission power and the base station that the uplink control channel adjusted can be used carry out signal transmission.

Further, if the quality of reception of the down control channel is not less than the intended recipient quality, alternatively, described The quality of reception of down control channel is lower than the intended recipient quality, and the current transmission power falls into the transmission power In guard interval, then illustrate that presently described base station can have correctly received the user equipment and send out by the uplink control channel The signal sent, i.e., presently described base station and the user equipment can accurately carry out signal transmission, and transmission unit 45 is gone back as a result, The current transmission power can be used and the base station carries out signal transmission.

The embodiment of some entity apparatus is provided below, the embodiment of these entity apparatus distinguishes the corresponding of above-mentioned offer Embodiment of the method, virtual bench embodiment are corresponding.

The present embodiment also provides a kind of computer 1, as shown in figure 5, the computer 1 includes: at least one processor 15, example Such as CPU(Central Processing Unit, central processing unit), at least one output interface 16 or other users interface 17, memory 18, at least one communication bus 19.Communication bus 19 is for realizing the connection communication between said modules.The meter Calculation machine 1 includes optionally other users interface 17, including display, and keyboard or pointing device are (for example, mouse, trace ball (trackball), touch-sensitive plate or touch sensitive display screen).Memory 18 may include high-speed RAM (Random Access Memory, random access memory), it is also possible to it further include non-labile memory (non-volatile memory), such as At least one magnetic disk storage.Memory 18 optionally may include at least one storage dress for being located remotely from aforementioned processor 15 It sets.

In some embodiments, memory 18 stores following element, executable modules or data structures, or Their subset or their superset:

Operating system 180 includes various system programs, for realizing various basic businesses and hardware based of processing Business.

Can be, but not limited in application program 181 include:

Further, the acquiring unit, specifically for obtaining the bit error rate of the down control channel；If the downlink The bit error rate of control channel is greater than the default bit error rate, then obtain respectively described in eat dishes without rice or wine pad value and the load bottom is made an uproar value, and The demodulation threshold value.

Further, the acquiring unit, specifically for obtaining the signal-to-noise ratio of the down control channel；If the downlink The signal-to-noise ratio of control channel is less than default signal-to-noise ratio, then obtain respectively described in eat dishes without rice or wine pad value and the load bottom is made an uproar value, and The demodulation threshold value.

Further, the acquiring unit, comprising:

Receiving module, the system message sent for receiving the base station；

The acquisition module is also used to obtain the demodulation threshold value.

Further, the acquisition module, specifically for obtaining the demodulation threshold value by emulation.

Further, the application program 181 can also include:

Further, the computing module is also used to be counted according to formula P_Target=Dem_Th+Los+nodeB_Noise Calculate transmission power target value P_Target；The P_Target is added into predetermined power difference delta, obtains the transmission power The upper limit value of guard interval；The P_Target is subtracted into the delta, obtains the lower limit of the transmission power guard interval Value；

Further, the adjustment unit calculates if being specifically used for the current transmission power greater than the computing module The upper limit value out, then be adjusted to the upper limit value for the current transmission power；If the current transmission power is less than institute The calculated lower limit value of computing module is stated, then the current transmission power is adjusted to the lower limit value.

Further, the application program 181 can also include:

In embodiments of the present invention, by calling the program or instruction that store in memory 18, processor 15 is used for:

Obtain the quality of reception of the down control channel of base station；

Further, the processor 15, specifically for obtaining the bit error rate of the down control channel；

Further, the processor 15, specifically for obtaining the signal-to-noise ratio of the down control channel；

Further, the processor 15, the system message sent specifically for receiving the base station；

Measure the reception power of the down public guide frequency channel；

Obtain the demodulation threshold value.

Further, the processor 15 is specifically used for the acquisition demodulation threshold value, specifically includes:

The demodulation threshold value is obtained by emulation.

Further, the processor 15, if being also used to the quality of reception of the down control channel not less than the mesh The quality of reception is marked, then the demodulation threshold value is calculated according to formula Dem_Th=P-Los-nodeB_Noise every preset time Dem_Th；

Further, the processor 15 is specifically used for according to formula P_Target=Dem_Th+Los+nodeB_Noise Calculate transmission power target value P_Target；

Further, the processor 15, if being specifically used for the current transmission power is greater than the upper limit value, by institute It states current transmission power and is adjusted to the upper limit value；

Further, the processor 15, if being also used to the current transmission power falls into the transmission power protection zone Between in, then carry out signal transmission using the current transmission power and the base station, the current transmission power falls into the hair Penetrating power guard interval is following any one: the current transmission power is equal to the upper limit value or the current transmitting function Rate is less than the upper limit value and is greater than the lower limit value or the current transmission power equal to the lower limit value.

Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow Help software that the mode of required common hardware is added to realize, naturally it is also possible to which the former is more preferably by hardware, but in many cases Embodiment.Based on this understanding, the portion that technical solution of the present invention substantially in other words contributes to the prior art Dividing can be embodied in the form of software products, which stores in a readable storage medium, such as count The floppy disk of calculation machine, hard disk or CD etc., including some instructions are used so that computer equipment (it can be personal computer, Server or the network equipment etc.) execute method described in each embodiment of the present invention.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. a kind of Poewr control method characterized by comprising

Obtain the quality of reception of the down control channel of base station；

If the quality of reception of the down control channel is lower than intended recipient quality, the base station is obtained respectively and eats dishes without rice or wine to decay Value is made an uproar at value and load bottom and the base station is properly received the demodulation threshold value of uplink control channel；

It is made an uproar value and the demodulation threshold value according to the pad value of eating dishes without rice or wine, the load bottom, obtains transmission power guard interval, The transmission power guard interval includes the transmission power for making the base station be properly received the uplink control channel；

If the current transmission power is not fallen in the transmission power guard interval, according to the transmission power guard interval The current transmission power is adjusted, falls in the current transmission power adjusted in the transmission power guard interval；

The pad value of eating dishes without rice or wine according to, the load bottom are made an uproar value and the demodulation threshold value, and transmission power protection zone is obtained Between, comprising:

Wherein, the Dem_Th is the demodulation threshold value, and the Los is the pad value of eating dishes without rice or wine, and the nodeB_Noise is The load bottom is made an uproar value, and for characterizing the interference that channel is subject to, load bottom value of making an uproar is used to characterize letter the pad value of eating dishes without rice or wine The interference that road is subject to, the demodulation threshold value is for limiting minimum power required when demodulated signal.

2. Poewr control method according to claim 1, which is characterized in that the down control channel for obtaining base station The quality of reception, comprising:

Obtain the bit error rate of the down control channel；

If the quality of reception of the down control channel is lower than intended recipient quality, eating dishes without rice or wine for the base station is obtained respectively Value is made an uproar at pad value and load bottom and the base station is properly received the demodulation threshold value of uplink control channel, comprising:

If the bit error rate of the down control channel is greater than the default bit error rate, obtain respectively described in eat dishes without rice or wine pad value and described negative Bottom is carried to make an uproar value and the demodulation threshold value.

3. Poewr control method according to claim 1, which is characterized in that the down control channel for obtaining base station The quality of reception, comprising:

Obtain the signal-to-noise ratio of the down control channel；

If the signal-to-noise ratio of the down control channel is less than default signal-to-noise ratio, obtain respectively described in eat dishes without rice or wine pad value and described negative Bottom is carried to make an uproar value and the demodulation threshold value.

4. Poewr control method according to any one of claim 1 to 3, which is characterized in that described in the acquisition respectively The eating dishes without rice or wine of base station and loads that value is made an uproar at bottom and the base station is properly received the demodulation threshold value of uplink control channel at pad value, wraps It includes:

Receive the system message that the base station is sent；

Measure the reception power of the down public guide frequency channel；

The reception power that the transmission power of the down public guide frequency channel is subtracted to the down public guide frequency channel, obtains institute State pad value of eating dishes without rice or wine；

Obtain the demodulation threshold value.

5. Poewr control method according to claim 4, which is characterized in that it is described to obtain the demodulation threshold value, specifically Include:

The demodulation threshold value is obtained by emulation.

6. Poewr control method according to claim 4, which is characterized in that the method also includes:

If the quality of reception of the down control channel is not less than the intended recipient quality, every preset time according to formula Dem_Th=P-Los-nodeB_Noise calculates the demodulation threshold value Dem_Th；

It obtains at the time of nearest away from current time and is calculated by the formula Dem_Th=P-Los-nodeB_Noise Dem_Th；

Wherein, the P is the current transmission power of the uplink control channel, and the Los is the pad value of eating dishes without rice or wine, described NodeB_Noise is that the load bottom is made an uproar value.

7. Poewr control method described according to claim 1 or 2 or 3 or 5 or 6, which is characterized in that described according to the transmitting Power guard interval adjusts the current transmission power, comprising:

8. Poewr control method according to claim 4, which is characterized in that described according to the transmission power guard interval Adjust the current transmission power, comprising:

9. Poewr control method described according to claim 1 or 2 or 3 or 5 or 6, which is characterized in that the method also includes:

If the current transmission power is fallen into the transmission power guard interval, using the current transmission power with it is described Base station carries out signal transmission, and it is following any one that the current transmission power, which falls into the transmission power guard interval: described Current transmission power is equal to the upper limit value or the current transmission power is less than the upper limit value and is greater than the lower limit value, Or the current transmission power is equal to the lower limit value.

10. Poewr control method according to claim 4, which is characterized in that the method also includes:

11. a kind of user equipment characterized by comprising

Acquiring unit, the quality of reception of the down control channel for obtaining base station；If the reception matter of the down control channel Amount is lower than intended recipient quality, then obtain respectively the base station eat dishes without rice or wine pad value and value and the base station are being made an uproar just in load bottom Really receive the demodulation threshold value of uplink control channel；It is made an uproar value and the solution pitch according to the pad value of eating dishes without rice or wine, the load bottom Limit value, obtains transmission power guard interval, and the transmission power guard interval includes that the base station is made to be properly received the uplink The transmission power of control channel；

Judging unit, for judging whether the current transmission power of the uplink control channel falls into what the acquiring unit obtained In the transmission power guard interval；

Adjustment unit, if not falling within the transmission power protection zone that the acquiring unit obtains for the current transmission power Between in, then the current transmission power is adjusted according to the transmission power guard interval, makes the current transmitting function adjusted Rate is fallen in the transmission power guard interval；

The acquiring unit includes computing module, the computing module, for according to formula P_Target=Dem_Th+Los+ NodeB_Noise calculates transmission power target value P_Target；The P_Target is added into predetermined power difference delta, is obtained To the upper limit value of the transmission power guard interval；The P_Target is subtracted into the delta, the transmission power is obtained and protects Protect the lower limit value in section；

12. user equipment according to claim 11, which is characterized in that the acquiring unit is specifically used for described in acquisition The bit error rate of down control channel；If the bit error rate of the down control channel is greater than the default bit error rate, respectively described in acquisition It eats dishes without rice or wine pad value and the load bottom is made an uproar value and the demodulation threshold value.

13. user equipment according to claim 11, which is characterized in that the acquiring unit is specifically used for described in acquisition The signal-to-noise ratio of down control channel；If the signal-to-noise ratio of the down control channel is less than default signal-to-noise ratio, respectively described in acquisition It eats dishes without rice or wine pad value and the load bottom is made an uproar value and the demodulation threshold value.

14. user equipment described in any one of 1 to 13 according to claim 1, which is characterized in that the acquiring unit is also wrapped It includes receiving module, obtain module and measurement module；

Receiving module, the system message sent for receiving the base station；

Module is obtained, for obtaining the transmitting of down public guide frequency channel from the received system message of the receiving module Power and the load bottom are made an uproar value；

The transmission power of computing module, the down public guide frequency channel for obtaining the acquisition module subtracts the survey The reception power for the down public guide frequency channel that amount module measurement obtains obtains the pad value of eating dishes without rice or wine；

The acquisition module is also used to obtain the demodulation threshold value.

15. user equipment according to claim 14, which is characterized in that the acquisition module, specifically for passing through emulation Obtain the demodulation threshold value.

16. user equipment according to claim 14, which is characterized in that the user equipment further include:

Computing unit, if the quality of reception for the down control channel is not less than the intended recipient quality, every pre- If the time calculates the demodulation threshold value Dem_Th according to formula Dem_Th=P-Los-nodeB_Noise；

The acquisition module, be specifically used for obtaining the computing unit at the time of nearest away from current time on pass through the formula The Dem_Th that Dem_Th=P-Los-nodeB_Noise is calculated；

17. user equipment described in 1 or 12 or 13 or 15 or 16 according to claim 1, which is characterized in that the adjustment unit, If being greater than the calculated upper limit value of the computing module specifically for the current transmission power, by the current transmitting Power adjustment is the upper limit value；If the current transmission power is less than the calculated lower limit value of the computing module, The current transmission power is adjusted to the lower limit value.

18. user equipment according to claim 14, which is characterized in that the adjustment unit, if working as specifically for described Preceding transmission power is greater than the calculated upper limit value of the computing module, then the current transmission power is adjusted to described on Limit value；If the current transmission power is less than the calculated lower limit value of the computing module, by the current transmitting function Rate is adjusted to the lower limit value.

19. user equipment described in 1 or 12 or 13 or 15 or 16 according to claim 1, which is characterized in that the user equipment is also Include:

Transmission unit, if falling into the transmission power guard interval that the acquiring unit obtains for the current transmission power In, then signal transmission is carried out using the current transmission power and the base station, the current transmission power falls into the transmitting Power guard interval is following any one: the current transmission power is equal to the upper limit value or the current transmission power Less than the upper limit value and it is greater than the lower limit value or the current transmission power equal to the lower limit value.

20. user equipment according to claim 14, which is characterized in that the user equipment further include:

21. a kind of readable storage medium storing program for executing, which is characterized in that including program or instruction, when described program or instruction are performed, such as Poewr control method described in any one of claims 1 to 10 is implemented.