CN104812041A - Uplink signal emission power determining method and apparatus - Google Patents

Abstract

The invention discloses an uplink signal emission power determining method and apparatus. The method comprises the following steps: determining cells which are to be used for sending uplink controls signals in current uplink sub frames as cells to be sent from multiple cells which are currently accessed to terminals and have different frequency points; obtaining correlation parameters which are corresponding to the cells to be sent and are used for determining the emission power of the uplink control signals; and determining that the cells to be sent are about to be used for sending the emission power of the uplink control signals by use of the correlation parameters. By using the scheme provided by the embodiments of the invention, compared to the prior art, the problem of unreasonable control of the emission power of the uplink control signals is solved.

Description

A kind of uplink signal transmission power defining method and device

Technical field

The present invention relates to wireless communication field, particularly relate to a kind of uplink signal transmission power defining method and device.

Background technology

In the lte networks, due to the quick growth of data service, in order to higher data communication quality can be provided for terminal, propose carrier aggregation technology, namely a terminal can access the different community of multiple frequency simultaneously, and the plurality of community by accessing, carry out business data transmission with network side simultaneously.The plurality of community simultaneously accessed, one of them community can as main plot, and other community is as auxiliary community.Such as, terminal can access macrocell and small-cell simultaneously, and wherein, macrocell is as main plot, and small-cell is as auxiliary community.

At present, when terminal accesses the different community of multiple frequency simultaneously, the ascending control channel only by main plot sends uplink control signal to network side, and, in the process sent, the transmitting power of uplink control signal is too small, and transmission quality can be caused poor, and transmitting power is crossed conference and caused power consumption of terminal larger, so, in order to ensure the transmission quality of uplink control signal, and reducing the power consumption of terminal, needing to control the transmitting power of uplink control signal.

In prior art, for the terminal accessing the different community of multiple frequency simultaneously, it is the relevant parameter of the main plot accessed according to this terminal, determine that this terminal sends the transmitting power of uplink control signal, such as, this relevant parameter can be the path loss between the network side (can be called dominant base) of terminal and main plot.

But, along with the development of the communication technology, for the terminal accessing the different community of multiple frequency simultaneously, both uplink control signal can may be sent by the ascending control channel of main plot in the future, also uplink control signal can be sent by the ascending control channel of auxiliary community, if now still all according to the relevant parameter of main plot, determine the transmitting power of uplink control signal, for the uplink control signal sent by auxiliary community, its transmitting power may be caused unreasonable, thus cause the transmission quality of this uplink control signal poor, or the power consumption of terminal is larger, and also corresponding power control scheme is not proposed for this situation at present.

Summary of the invention

The embodiment of the present invention provides a kind of uplink signal transmission power defining method and device, and the transmitting power in order to solve the uplink control signal existed in prior art controls irrational problem.

The embodiment of the present invention provides a kind of uplink signal transmission power defining method, comprising:

From the community that multiple frequencies of the current access of terminal are different, determine to send in current sub-frame of uplink the community that uplink control signal will use, as community to be sent;

Obtain the relevant parameter of the transmitting power for determine uplink control signal corresponding with described community to be sent;

Use described relevant parameter, determine to use described community to be sent to send the transmitting power of described uplink control signal.

Adopt the said method that the embodiment of the present invention provides, relevant parameter corresponding to community that uplink control signal will use is sent owing to using in current sub-frame of uplink, determine the transmitting power of uplink control signal, avoid only adopt the transmitting power of the relevant parameter determination uplink control signal of main plot and the upward signal power that causes controls inaccurate problem, thus improve the accuracy that upward signal power controls.

Further, described relevant parameter at least comprises one of following parameter:

Path loss between the network side of described terminal and described community to be sent;

The dynamic power adjusted value that by network side indicated corresponding with described community to be sent;

The semi-static power parameter value of the signal corresponding with described community to be sent that described terminal receives;

The power parameter value that the signal format of the terminal transmission corresponding to described community to be sent is relevant.

Further, the dynamic power adjusted value that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the power control command TPC command carrying the cell ID of described community to be sent that the network side of described community to be sent issues; Or

The dynamic power adjusted value that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the TPC command that the network side of the community to be sent of correspondence in the predetermined number descending sub frame before described current sub-frame of uplink issues.

Further, use described relevant parameter, determine to use described community to be sent to send the transmitting power of described uplink control signal, specifically comprise:

Following formula is adopted to determine the transmitting power of described uplink control signal:

$P_{\mathrm{PUCCH}\_i}=\min \left\{\begin{array}{c}{P}_{\mathrm{CMAX}}\\ P_{O\_\mathrm{PUCCH}\_i}+{\mathrm{PL}}_i+h+{\mathrm{\Δ}}_{F\_\mathrm{PUCCH}}\left(i\right)+{\mathrm{\Δ}}_{\mathrm{TxD}}+g\left(i\right)\end{array}\right.$

Wherein, P _{pUCCH_i}for described terminal is in the transmitting power sending uplink control signal to cell i to be sent, P _cMAXfor the maximum power of described terminal, P _{o_PUCCH_i}the semi-static power parameter value of the signal corresponding with cell i to be sent received for described terminal, PL _ifor described terminal is to the path loss estimated value of cell i transmission uplink control signal to be sent, h and Δ _txDfor the adjusted value of described transmitting power determined according to the transmission means and transmission information that send uplink control signal in current sub-frame of uplink, Δ _{f_PUCCH}i () is launch power parameter value corresponding to the form of uplink control signal with described terminal to cell i to be sent, g (i) is the dynamic power adjusted value that by network side indicated corresponding with described cell i to be sent.

Further, described PL _ipath loss estimation for the downlink reference signal sent to terminal according to the network side of described community to be sent obtains.

Further, described P _{o_PUCCH_i}the specific power parameter sum of the cell-level power parameter corresponding for described cell i to be sent and described terminal is determined.

Further, the community that described multiple frequency is different comprises the different macrocell of frequency and one or more small-cell.

The embodiment of the present invention additionally provides a kind of uplink signal transmission power determining device, comprising:

Community determining unit, for from the different community of multiple frequencies of the current access of terminal, determines to send in current sub-frame of uplink the community that uplink control signal will use, as community to be sent;

Acquiring unit, for obtaining the relevant parameter of the transmitting power for determine uplink control signal corresponding with described community to be sent;

Transmitting power determining unit, for using described relevant parameter, determines to use described community to be sent to send the transmitting power of described uplink control signal.

Further, described acquiring unit, specifically for obtaining the described relevant parameter at least comprising one of following parameter:

Path loss between the network side of described terminal and described community to be sent;

The dynamic power adjusted value that by network side indicated corresponding with described community to be sent;

The semi-static power parameter value of the signal corresponding with described community to be sent that described terminal receives;

The power parameter value that the signal format of the terminal transmission corresponding to described community to be sent is relevant.

Further, described acquiring unit, specifically for determining the dynamic power adjusted value that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the power control command TPC command carrying the cell ID of described community to be sent that the network side of described community to be sent issues; Or

The dynamic power adjusted value that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the TPC command that the network side of the community to be sent of correspondence in the predetermined number descending sub frame before described current sub-frame of uplink issues.

Further, described transmitting power determining unit, the transmitting power specifically for adopting following formula to determine described uplink control signal:

$P_{\mathrm{PUCCH}\_i}=\min \left\{\begin{array}{c}{P}_{\mathrm{CMAX}}\\ P_{O\_\mathrm{PUCCH}\_i}+{\mathrm{PL}}_i+h+{\mathrm{\Δ}}_{F\_\mathrm{PUCCH}}\left(i\right)+{\mathrm{\Δ}}_{\mathrm{TxD}}+g\left(i\right)\end{array}\right.;$

Wherein, P _{pUCCH_i}for described terminal is in the transmitting power sending uplink control signal to cell i to be sent, P _cMAXfor the maximum power of described terminal, P _{o_PUCCH_i}the semi-static power parameter value of the signal corresponding with cell i to be sent received for described terminal, PL _ifor described terminal is to the path loss estimated value of cell i transmission uplink control signal to be sent, h and Δ _txDfor the adjusted value of described transmitting power determined according to the transmission means and transmission information that send uplink control signal in current sub-frame of uplink, Δ _{f_PUCCH}i () is launch power parameter value corresponding to the form of uplink control signal with described terminal to cell i to be sent, g (i) is the dynamic power adjusted value that by network side indicated corresponding with described cell i to be sent.

Further, described transmitting power determining unit, specifically for determining described PL _ipath loss estimation for the downlink reference signal sent to terminal according to the network side of described community to be sent obtains.

Further, described transmitting power determining unit, specifically for determining described P _{o_PUCCH_i}the specific power parameter sum of the cell-level power parameter corresponding for described cell i to be sent and described terminal is determined.

Further, the community that described multiple frequency is different comprises the different macrocell of frequency and one or more small-cell.

Adopt the said apparatus that the embodiment of the present invention provides, relevant parameter corresponding to community that uplink control signal will use is sent owing to using in current sub-frame of uplink, determine the transmitting power of uplink control signal, avoid only adopt the transmitting power of the relevant parameter determination uplink control signal of main plot and the upward signal power that causes controls inaccurate problem, thus improve the accuracy that upward signal power controls.

The further feature of the application and advantage will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the application.The object of the application and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.

Accompanying drawing explanation

Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, is not construed as limiting the invention with the embodiment of the present invention one.In the accompanying drawings:

The flow chart of the uplink signal transmission power defining method that Fig. 1 provides for the embodiment of the present invention;

The flow chart of the uplink control signal transmitting power defining method that Fig. 2 provides for the embodiment of the present invention 1;

The structural representation of the uplink control signal transmitting power determining device that Fig. 3 provides for the embodiment of the present invention 2.

Embodiment

In order to provide the implementation transmitting power of uplink control signal being carried out to conservative control, embodiments provide a kind of uplink signal transmission power defining method and device, below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein, only for instruction and explanation of the present invention, is not intended to limit the present invention.And when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.

The embodiment of the present invention provides a kind of flow chart of uplink signal transmission power defining method, as shown in Figure 1, comprising:

Step 101, from the different community of multiple frequencies of the current access of terminal, determine to send in current sub-frame of uplink the community that uplink control signal will use, as community to be sent.

Step 102, obtain the relevant parameter of the transmitting power for determine uplink control signal corresponding with this community to be sent.

Step 103, use relevant parameter, determine to use this community to be sent to send the transmitting power of this uplink control signal.

In the above-mentioned method as shown in Figure 1 that the embodiment of the present invention provides, the different community of the plurality of frequency comprises the different macrocell of frequency and one or more small-cell, now, the macrocell that multiple frequencies of the current access of terminal are different and one or more small-cell, namely terminal and macrocell and small-cell keep dual link.This community to be sent can be macrocell, also can be small-cell.

Below in conjunction with accompanying drawing, with specific embodiment, method provided by the invention and device are described in detail.

Embodiment 1:

The flow chart of the uplink control signal transmitting power defining method that Fig. 2 provides for the embodiment of the present invention 1, specifically comprises following treatment step:

Step 201, from the different community of multiple frequencies of the current access of terminal, determine to send in current sub-frame of uplink the community that uplink control signal will use, as community to be sent.

In this step, be set in advance in different moment and terminal and carry out the different community of multiple frequencies of communications, from the community that multiple frequencies of the current access of terminal are different, according to the time sending uplink control signal in current sub-frame of uplink, determine to send in current sub-frame of uplink the community that uplink control signal will use, as community to be sent, this community to be sent can be macrocell, also can be small-cell.

Step 202, obtain this terminal and this community to be sent network side between path loss.

In this step, the path loss of the downlink reference signal that can send to terminal according to the network side of this community to be sent is estimated to obtain, the difference of the power of this downlink reference signal that the transmitting power of the downlink reference signal that specifically network side of this community to be sent can be sent to terminal and this terminal receive, as the path loss between this terminal and the network side of this community to be sent.

Step 203, obtain the dynamic power adjusted value that by network side indicated corresponding with this community to be sent.

In this step, the dynamic power adjusted value that by network side indicated corresponding with this community to be sent can adopt the following two kinds mode to obtain:

First kind of way: in the power control command TPCcommand that the network side in this community to be sent issues to terminal, carry the cell ID of this community to be sent, this TPC command indicates this terminal in current sub-frame of uplink, send the dynamic power adjusted value of uplink control signal to this community to be sent;

The second way: the TPC command that the network side of community to be sent corresponding in the predetermined number descending sub frame in this prior before sub-frame of uplink issues indicates this to send the dynamic power adjusted value of uplink control signal to this community to be sent in current sub-frame of uplink.

What above-mentioned cell i to be sent was corresponding indicates this terminal in current sub-frame of uplink, send dynamic power adjusted value g (i) of uplink control signal to this community to be sent by network side, it can be the size that TPC command directly indicates this g (i), also can network side according to the demand of self, the TPC command that network side issues indicates on the basis of the dynamic power adjusted value g (i-1) of terminal transmission uplink control signal in the previous subframe of fixed current sub-frame of uplink and adds an integer value, as deserving dynamic power adjusted value g (i) of front sub-frame of uplink to the transmission uplink control signal in community to be sent of correspondence.

Strict sequencing is not had between above-mentioned steps 202 and step 203.

Step 204, determine to use this community to be sent to send the transmitting power of this uplink control signal.

In this step, following formula can be adopted to determine the transmitting power of this uplink control signal:

$P_{\mathrm{PUCCH}\_i}=\min \left\{\begin{array}{c}{P}_{\mathrm{CMAX}}\\ P_{O\_\mathrm{PUCCH}\_i}+{\mathrm{PL}}_i+h+{\mathrm{\Δ}}_{F\_\mathrm{PUCCH}}\left(i\right)+{\mathrm{\Δ}}_{\mathrm{TxD}}+g\left(i\right)\end{array}\right.;$

Wherein, P _{pUCCH_i}for this terminal is in the transmitting power sending uplink control signal to cell i to be sent, P _cMAXfor the maximum power of this terminal, P _{o_PUCCH_i}the semi-static power parameter value of the signal corresponding with cell i to be sent received for this terminal, PL _ifor this terminal is to the path loss estimated value of cell i transmission uplink control signal to be sent, the path loss of the downlink reference signal that this path loss estimated value can be sent to this terminal by the network side of this cell i to be sent is estimated to obtain, h and Δ _txDfor the adjusted value of transmitting power determined according to the transmission means and transmission information that send uplink control signal in current sub-frame of uplink, Δ _{f_PUCCH}i () is the power parameter value that the form of launching uplink control signal to this cell i to be sent with this terminal is corresponding, g (i) is the dynamic power adjusted value that by network side indicated corresponding with this cell i to be sent.

P _{O_PUCCH_i}=P _{O_NAMINAL_PUCCH_i}+P _{O_UE_PUCCH}；

Wherein, P _{o_NAMINAL_PUCCH_i}for the cell-level power parameter that cell i to be sent is corresponding, P _{o_UE_PUCCH}for the specific power parameter of this terminal.

Further, the formula of the transmitting power of this uplink control signal is determined based on above-mentioned steps 204, the partial parameters in this formula can be adopted to determine the transmitting power of this uplink control signal, the concrete physical meaning of partial parameters can be identical with the physical meaning in above-mentioned steps 204 Parameters in Formula, is no longer described in detail at this.

By the method that the above embodiment of the present invention 1 provides, relevant parameter corresponding to community that uplink control signal will use is sent owing to using in current sub-frame of uplink, determine the transmitting power of uplink control signal, avoid only adopt the transmitting power of the relevant parameter determination uplink control signal of main plot and the upward signal power that causes controls inaccurate problem, thus improve the accuracy that upward signal power controls.

Embodiment 2:

Based on same inventive concept, according to the uplink control signal transmitting power defining method that the above embodiment of the present invention provides, correspondingly, the embodiment of the present invention 2 additionally provides uplink control signal transmitting power determining device, its structural representation as shown in Figure 3, specifically comprises:

Community determining unit 301, for from the different community of multiple frequencies of the current access of terminal, determines to send in current sub-frame of uplink the community that uplink control signal will use, as community to be sent;

Acquiring unit 302, for obtaining the relevant parameter of the transmitting power for determine uplink control signal corresponding with described community to be sent;

Transmitting power determining unit 303, for using described relevant parameter, determines to use described community to be sent to send the transmitting power of described uplink control signal.

Further, acquiring unit 302, specifically for obtaining the described relevant parameter at least comprising one of following parameter:

Path loss between the network side of described terminal and described community to be sent;

The dynamic power adjusted value that by network side indicated corresponding with described community to be sent;

The semi-static power parameter value of the signal corresponding with described community to be sent that described terminal receives;

The power parameter value that the signal format of the terminal transmission corresponding to described community to be sent is relevant.

Further, acquiring unit 302, specifically for determining the dynamic power adjusted value that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the power control command TPC command carrying the cell ID of described community to be sent that the network side of described community to be sent issues; Or

The dynamic power adjusted value that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the TPC command that the network side of the community to be sent of correspondence in the predetermined number descending sub frame before described current sub-frame of uplink issues.

Further, transmitting power determining unit 303, the transmitting power specifically for adopting following formula to determine described uplink control signal:

$P_{\mathrm{PUCCH}\_i}=\min \left\{\begin{array}{c}{P}_{\mathrm{CMAX}}\\ P_{O\_\mathrm{PUCCH}\_i}+{\mathrm{PL}}_i+h+{\mathrm{\Δ}}_{F\_\mathrm{PUCCH}}\left(i\right)+{\mathrm{\Δ}}_{\mathrm{TxD}}+g\left(i\right)\end{array}\right.;$

Wherein, P _{pUCCH_i}for described terminal is in the transmitting power sending uplink control signal to cell i to be sent, P _cMAXfor the maximum power of described terminal, P _{o_PUCCH_i}the semi-static power parameter value of the signal corresponding with cell i to be sent received for described terminal, PL _ifor described terminal is to the path loss estimated value of cell i transmission uplink control signal to be sent, h and Δ _txDfor the adjusted value of described transmitting power determined according to the transmission means and transmission information that send uplink control signal in current sub-frame of uplink, Δ _{f_PUCCH}i () is launch power parameter value corresponding to the form of uplink control signal with described terminal to cell i to be sent, g (i) is the dynamic power adjusted value that by network side indicated corresponding with described cell i to be sent.

Further, transmitting power determining unit 303, the path loss specifically for the downlink reference signal sent to terminal according to the network side of described community to be sent is estimated to obtain described PL _i.

Further, transmitting power determining unit 303, specifically for determining described P _{o_PUCCH_i}the specific power parameter sum of the cell-level power parameter corresponding for described cell i to be sent and described terminal.

Further, the community that described multiple frequency is different comprises the different macrocell of frequency and one or more small-cell.

The function of above-mentioned each unit may correspond to the respective handling step in flow process shown in Fig. 1 or Fig. 2, does not repeat them here.

In sum, the scheme that the embodiment of the present invention provides, comprising: from the community that multiple frequencies of the current access of terminal are different, determines to send in current sub-frame of uplink the community that uplink control signal will use, as community to be sent; Obtain the relevant parameter of the transmitting power for determine uplink control signal corresponding with this community to be sent; Use relevant parameter, determine to use this community to be sent to send the transmitting power of this uplink control signal.Adopt the scheme that the embodiment of the present invention provides, compared to existing technology, the transmitting power solving uplink control signal controls irrational problem.

The uplink signal transmission power determining device that the embodiment of the application provides realizes by computer program.Those skilled in the art should be understood that; above-mentioned Module Division mode is only the one in numerous Module Division mode; if be divided into other modules or do not divide module, as long as uplink signal transmission power determining device has above-mentioned functions, all should within the protection range of the application.

The application describes with reference to according to the flow chart of the method for the embodiment of the present application, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (14)

1. a uplink control signal transmitting power defining method, is characterized in that, comprising:

From the community that multiple frequencies of the current access of terminal are different, determine to send in current sub-frame of uplink the community that uplink control signal will use, as community to be sent;

Obtain the relevant parameter of the transmitting power for determine uplink control signal corresponding with described community to be sent;

Use described relevant parameter, determine to use described community to be sent to send the transmitting power of described uplink control signal.

2. the method for claim 1, is characterized in that, described relevant parameter at least comprises one of following parameter:

Path loss between the network side of described terminal and described community to be sent;

The dynamic power adjusted value that by network side indicated corresponding with described community to be sent;

The semi-static power parameter value of the signal corresponding with described community to be sent that described terminal receives;

The power parameter value that the signal format of the terminal transmission corresponding to described community to be sent is relevant.

3. method as claimed in claim 2, it is characterized in that, the dynamic power adjusted value that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the power control command TPC command carrying the cell ID of described community to be sent that the network side of described community to be sent issues; Or

The dynamic power adjusted value that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the TPC command that the network side of the community to be sent of correspondence in the predetermined number descending sub frame before described current sub-frame of uplink issues.

4. the method for claim 1, is characterized in that, uses described relevant parameter, determines to use described community to be sent to send the transmitting power of described uplink control signal, specifically comprises:

Following formula is adopted to determine the transmitting power of described uplink control signal:

$P_{\mathrm{PUCCH}\_i}=\min \left\{\begin{array}{c}{P}_{\mathrm{CMAX}}\\ P_{O\_\mathrm{PUCCH}\_i}+{\mathrm{PL}}_i+h+{\mathrm{\Δ}}_{F\_\mathrm{PUCCH}}\left(i\right)+{\mathrm{\Δ}}_{\mathrm{TxD}}+g\left(i\right)\end{array}\right.$

Wherein, P _{pUCCH_i}for described terminal is in the transmitting power sending uplink control signal to cell i to be sent, P _cMAXfor the maximum power of described terminal, P _{o_PUCCH_i}the semi-static power parameter value of the signal corresponding with cell i to be sent received for described terminal, PL _ifor described terminal is to the path loss estimated value of cell i transmission uplink control signal to be sent, h and Δ _txDfor the adjusted value of described transmitting power determined according to the transmission means and transmission information that send uplink control signal in current sub-frame of uplink, Δ _{f_PUCCH}i () is launch power parameter value corresponding to the form of uplink control signal with described terminal to cell i to be sent, g (i) is the dynamic power adjusted value that by network side indicated corresponding with described cell i to be sent.

5. method as claimed in claim 4, is characterized in that, described PL _ipath loss estimation for the downlink reference signal sent to terminal according to the network side of described community to be sent obtains.

6. method as claimed in claim 4, is characterized in that, described P _{o_PUCCH_i}the specific power parameter sum of the cell-level power parameter corresponding for described cell i to be sent and described terminal is determined.

7. the method as described in as arbitrary in claim 1-6, is characterized in that, the different community of described multiple frequency comprises the different macrocell of frequency and one or more small-cell.

8. a uplink control signal transmitting power determining device, is characterized in that, comprising:

Community determining unit, for from the different community of multiple frequencies of the current access of terminal, determines to send in current sub-frame of uplink the community that uplink control signal will use, as community to be sent;

Acquiring unit, for obtaining the relevant parameter of the transmitting power for determine uplink control signal corresponding with described community to be sent;

Transmitting power determining unit, for using described relevant parameter, determines to use described community to be sent to send the transmitting power of described uplink control signal.

9. device as claimed in claim 8, is characterized in that, described acquiring unit, specifically for obtaining the described relevant parameter at least comprising one of following parameter:

Path loss between the network side of described terminal and described community to be sent;

The dynamic power adjusted value that by network side indicated corresponding with described community to be sent;

The semi-static power parameter value of the signal corresponding with described community to be sent that described terminal receives;

The power parameter value that the signal format of the terminal transmission corresponding to described community to be sent is relevant.

10. device as claimed in claim 9, it is characterized in that, described acquiring unit, specifically for determining the power adjustment that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the power control command TPCcommand carrying the cell ID of described community to be sent that the network side of described community to be sent issues; Or

The power adjustment that by network side indicated corresponding with described community to be sent, the power adjustment indicated by the TPCcommand that the network side of the community to be sent of correspondence in the predetermined number descending sub frame before described current sub-frame of uplink issues.

11. devices as claimed in claim 8, is characterized in that, described transmitting power determining unit, the transmitting power specifically for adopting following formula to determine described uplink control signal:

$P_{\mathrm{PUCCH}\_i}=\min \left\{\begin{array}{c}{P}_{\mathrm{CMAX}}\\ P_{O\_\mathrm{PUCCH}\_i}+{\mathrm{PL}}_i+h+{\mathrm{\Δ}}_{F\_\mathrm{PUCCH}}\left(i\right)+{\mathrm{\Δ}}_{\mathrm{TxD}}+g\left(i\right)\end{array}\right.$

Wherein, P _{pUCCH_i}for described terminal is in the transmitting power sending uplink control signal to cell i to be sent, P _cMAXfor the maximum power of described terminal, P _{o_PUCCH_i}the semi-static power parameter value of the signal corresponding with cell i to be sent received for described terminal, PL _ifor described terminal is to the path loss estimated value of cell i transmission uplink control signal to be sent, h and Δ _txDfor the adjusted value of described transmitting power determined according to the transmission means and transmission information that send uplink control signal in current sub-frame of uplink, Δ _{f_PUCCH}i () is launch power parameter value corresponding to the form of uplink control signal with described terminal to cell i to be sent, g (i) is the dynamic power adjusted value that by network side indicated corresponding with described cell i to be sent.

12. devices as claimed in claim 11, is characterized in that, described transmitting power determining unit, specifically for determining described PL _ipath loss estimation for the downlink reference signal sent to terminal according to the network side of described community to be sent obtains.

13. devices as claimed in claim 11, is characterized in that, described transmitting power determining unit, specifically for determining described P _{o_PUCCH_i}the specific power parameter sum of the cell-level power parameter corresponding for described cell i to be sent and described terminal is determined.

14. as arbitrary in claim 8-13 as described in device, it is characterized in that, the different community of described multiple frequency comprises the different macrocell of frequency and one or more small-cell.