CN101715207B - Method for measuring power headroom, method for reporting power headroom and terminal - Google Patents

Abstract

The invention provides a method for measuring power headroom, which comprises the following steps that: when a user terminal sends an uplink physical channel on a subframe i and a component carrier group j, the user terminal measures the power headroom on the subframe i and the component carrier group j, wherein the uplink physical channel is a physical uplink shared channel (PUSCH) and/or a physical uplink control channel (PUCCH); and the component carrier group j contains one or more component carriers. The invention also provides a method for reporting the power headroom, which comprises the following steps that: after the user terminal measures the power headroom, the user terminal reports the power headroom to a base station, and also indicates the component carrier or component carrier group that the reported power headroom belongs to during the reporting. The invention also provides a terminal. The methods and the terminal realize the measurement and report of the power headroom in a carrier polymerization system.

Description

A kind of measurement of power climbing space, report method and terminal

Technical field

The present invention relates to moving communicating field, particularly a kind of measurement of power climbing space, report method and terminal.

Background technology

At 3GPP LTE (The 3rd Generation Partnership Project Long Term Evolution, third generation partner program Long Term Evolution) in system, uplink power control (uplink power control, referred to as uplink power control or power control) for controlling the transmitting power of uplink physical channel (uplink physical channel), with the path loss of compensate for channel and shade, and suppress presence of intercell interference.Wherein, the uplink physical channel that uplink power control controls comprises Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH), Physical Uplink Control Channel (Physical Uplink Control Channel, and measuring reference signals (Sounding Reference Signal, SRS) PUCCH).The control mode that LTE uplink power control adopts open loop (open loop) and closed loop (closed loop) to combine.

In LTE system, the transmitting power of user terminal (User Equipment, the UE) PUSCH on subframe (subframe) i is defined as

P _PUSCH(i)＝min{P _CMAX，10log ₁₀(M _PUSCH(i))+P _{O_PUSCH}(j)+α(j)·PL+Δ _TF(i)+f(i)}[dBm]

Wherein,

P _cMAXthe maximum transmission power (the configured UE transmitted power) of UE configuration, P _cMAX=min{P _eMAX, P _uMAX, wherein, P _eMAXby the maximum allowable power of system configuration (the maximum allowed power), P _uMAXthe maximum UE power (the maximum UE power) determined by UE power grade (the UE power class);

P ＇ _pUSCH(i)=10log ₁₀(M _pUSCH(i))+P _{o_PUSCH}(j)+α (j) PL+ Δ _tFi ()+f (i) is the Open loop and closed loop power control instruction of UE according to base station, path loss is estimated, and the transmitting power of the PUSCH of the number of resource blocks estimation of the PUSCH dispatched on subframe i;

M _pUSCHi () is the transmission bandwidth of PUSCH in subframe i, represent with the number of Resource Block (Resource Block, RB);

P _{o_PUSCH}j () is an open loop power control parameter, Shi Yige community specific (cell specific) measures P _{o_NOMINAL_PUSCH}j () and a UE specific (UE specific) measure P _{o_UE_PUSCH}(j) and; Wherein, the PUSCH transmission of the corresponding semi-continuous scheduling (semi-persistent scheduled) of j=0, the PUSCH transmission of the corresponding dynamic dispatching (dynamic scheduled) of j=1, the PUSCH transmission of the corresponding accidental access response scheduling of j=2;

α is the specific road loss compensation factor in community, and as j=0 or 1, α (j) ∈, { 0,0.4,0.5,0.6,0.7,0.8,0.9,1}, works as j=2, α (j)=1.α=1 is that complete path loss compensates, and α < 1 is the compensation of part path loss;

PL measures and descending path loss estimation (the downlink pathloss estimate) calculated at UE end;

Δ _tFi () is the power bias that a same modulation coding mode (Modulation Coding Scheme, MCS) is relevant;

F (i) is that current PUSCH power controls adjustment state.According to the configuration of higher level parameters, when for accumulated value power control, f (i)=f (i-1)+δ _pUSCH(i-K _pUSCH), when for absolute value power control, f (i)=δ _pUSCH(i-K _pUSCH).δ _pUSCHbe a specific Closed-cycle correction value of UE, be also called emissive power control command (TPC command).

In LTE system, the transmitting power of the PUCCH of UE on subframe i is defined as

P _PUCCH(i)＝min{P _CMAX，P _{O_PUCCH}+PL+h(n _CQI，n _HARQ)+Δ _{F_PUCCH}(F)+g(i)}[dBm]

Wherein,

P _cMAXdefinition the same;

P ＇ _pUCCH(i)=P _{o_PUCCH}+ PL+h (n _cQI, n _hARQ)+Δ _{f_PUCCH}(F)+g (i) is the Open loop and closed loop power control instruction of UE according to base station, and path loss is estimated, and the transmitting power of the PUCCH of the PUCCH format estimation of dispatching on subframe i;

P _{o_PUCCH}be an open loop power control parameter, Shi Yige specifically measures P in community _{o_NOMINAL_PUCCH}specifically P is measured with a UE _{o_UE_PUCCH}and;

Δ _{f_PUCCH}(F) be a power bias of being correlated with PUCCH format F (PUCCH format (F)), configured by high level;

H (n) is a value based on PUCCH format F, wherein n _cQIfor the information bit of CQI, n _hARQfor the bit number of HARQ;

G (i) is that current PUCCH power controls adjustment state, .δ _pUCCHbe a specific Closed-cycle correction value of UE, be also called emissive power control command (TPC command).

It should be noted that in LTE system, for keeping the single-carrier property of upward signal, can not send same UE, PUSCH and PUCCH simultaneously.

Each UE whether power limited is known for enabling base station, suitable emissive power control command is indicated to UE, dispatch suitable modulation coding mode and bandwidth to UE, UE needs to measure the power climbing space (Power Headroom, PH) of oneself and reports base station.In LTE system, the power climbing space of certain UE on subframe i is defined as:

PH(i)＝P _CMAX-{10log ₁₀(M _PUSCH(i))+P _{O_PUSCH}(j)+α(j)·PL+Δ _TF(i)+f(i)}[dB]

The i.e. difference of the transmitting power of PUSCH estimated of the maximum transmission power of UE configuration and UE.The power climbing space that computation and measurement obtains is [40;-23] quantize within the scope of dB, be that precision gets immediate integer value with 1dB, quantitative relationship is as shown in table 1, then passes to high level by physical layer.

Media access control layer (Media Access Control Layer, referred to as MAC layer) represents the power climbing space after rounding with 6bits index, and mapping relations are as shown in table 1, and 6bits index is still called power climbing space.

Report (Power Headroom Report, the PHR) of power climbing space is triggered (event-triggered) by event.When UE has new uplink at present sub-frame, and have the event trigger power rising space to report, and base station be this UE uplink distribute channel resource according to certain priority of logical channels be enough to hold power climbing space MAC layer control unit (Power Headroom MAC Control Element) time, 6bits power climbing space is reported base station by power climbing space MAC layer control unit by UE.

As shown in Figure 1, be 1 eight bit byte (octet), wherein the highest 2 is reservation bit (R) to the structure of power climbing space MAC layer control unit, puts ' 0 '; Low 6 power climbing spaces (PH) for reporting.

It should be noted that in LTE system, only to the subframe rated output rising space sending PUSCH.

The quantification of table 1 power climbing space and report mapping

LTE-Advanced system (abbreviation lte-a system) is the evolution system of future generation of LTE system.As shown in Figure 2, lte-a system adopts carrier aggregation (carrier aggregation) technological expansion transmission bandwidth, and the carrier wave of each polymerization is called one " component carrier " (component carrier).Multiple component carrier can be continuous print, also can be discrete, can be positioned at same frequency range (operating band), also can be positioned at different frequency range.

In lte-a system, user terminal can send PUSCH on (up) component carrier, also on multiple (up) component carrier, can send PUSCH simultaneously; PUCCH can be sent on (up) component carrier, also on multiple (up) component carrier, PUCCH can be sent simultaneously, multiple PUCCH channel can also be sent on one-component carrier wave.

In addition, also propose in the research to lte-a system Physical Uplink Control Channel PUCCH, one or more (up) component carrier sends PUSCH and PUCCH simultaneously.

Therefore, in lte-a system, how to measure power climbing space, become a problem demanding prompt solution.

In addition, in lte-a system, how user terminal reports power climbing space, particularly on certain (up) component carrier, does not dispatch PUSCH or the PUSCH of scheduling and cannot support power climbing space gives the correct time, how to report in time, also become a problem demanding prompt solution.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of measurement of power climbing space, report method and terminal, provides the implementation that in carrier aggregation system, power climbing space measurement reports.

In order to solve the problems of the technologies described above, the invention provides a kind of method of measurement of power climbing space, comprise: user terminal is at subframe i, when component carrier group j sending uplink physical channel, this user terminal is at subframe i, component carrier group j measures power climbing space, and described uplink physical channel is Physical Uplink Shared Channel (PUSCH) and/or Physical Uplink Control Channel (PUCCH), comprises one or more component carrier in described component carrier group j.

Further, said method also can have following characteristics, described user terminal is at subframe i, when component carrier group j sending PUSCH or PUCCH, described user terminal by component carrier group j configuration maximum transmission power and user terminal estimate at subframe i, the difference of transmitting power of PUSCH or PUCCH that component carrier group j sends as this user terminal at subframe i, the power climbing space of measurement component carrier group j on.

Further, said method also can have following characteristics, user terminal is at subframe i, when multiple component carriers in component carrier group j send PUCCH or PUSCH, described user terminal estimate at subframe i, the transmitting power of PUCCH or PUSCH that component carrier group j sends is the transmitting power sum of PUCCH or PUSCH sent on the plurality of component carrier of user terminal estimation.

Further, said method also can have following characteristics, user terminal is at subframe i, when arbitrary component carrier in component carrier group j sends multiple PUCCH, to this component carrier, described user terminal estimates the transmitting power of each PUCCH that this component carrier sends, using the transmitting power of the PUCCH sent on this component carrier that the transmitting power sum of each PUCCH that this component carrier sends is estimated as user terminal.

Further, said method also can have following characteristics, and user terminal is at subframe i, and when component carrier group j sending simultaneously PUSCH and PUCCH, this user terminal is at subframe i, and the power climbing space that component carrier group j measures is PH (i, j):

PH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)-P′ _PUSCH(i，j)

Or be PH _pUCCH(i, j) and PH _pUSCH(i, j):

PH _PUCCH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)

PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUCCH(i, j)-P ' _pUSCH(i, j) or PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUSCH(i, j)

Wherein, P ' _pUSCH(i, j) for described user terminal estimate at subframe i, the transmitting power of the PUSCH on component carrier group j, P ' _pUCCH(i, j) for described user terminal estimate at subframe i, the transmitting power of the PUCCH on component carrier group j, P _cMAXj maximum transmission power that () configures on component carrier group j for described user terminal.

Further, said method also can have following characteristics, and the maximum transmission power that described user terminal configures on component carrier group j is not more than the maximum allowable power that system configures on component carrier group j; And/or the maximum transmission power that described user terminal configures on component carrier group j is not more than the maximum allowable power sum that system in component carrier group j, each component carrier configures; And/or the maximum transmission power that described user terminal configures on component carrier group j and the maximum transmission power sum that user terminal configures in other component carrier groups are not more than the total maximum transmission power of user terminal; And/or the maximum transmission power that user terminal configures on component carrier group j is not more than the maximum transmission power that described component carrier group j supports at the power amplifier that described user terminal shares.

Further, said method also can have following characteristics, user terminal is at subframe i, component carrier group j sends uplink physical channel, refer on subframe i, the one or more component carriers of described user terminal in component carrier group j send PUSCH, and/or, the one or more component carriers in component carrier group j send one or more PUCCH.

Further, said method also can have following characteristics, and described component carrier group j comprises all component carriers using same power amplifier at described user terminal; Or described component carrier group j comprises whole component carriers that described user terminal can be supported.

The present invention also provides a kind of report method of power climbing space, after user terminal measurement power climbing space, reports described power climbing space to base station, the component carrier belonging to power climbing space that also instruction of above giving the correct time reports or component carrier group.

Further, said method also can have following characteristics, described user terminal reports described power climbing space by power climbing space media access control layer control unit, in described power climbing space media access control layer control unit, the absolute indices of component carrier or component carrier group or relative indexing is used to indicate the component carrier belonging to power climbing space or component carrier group that report.

Further, said method also can have following characteristics, and described user terminal uses the highest M position of described power climbing space media access control layer control unit to indicate absolute indices or the relative indexing of the component carrier belonging to power climbing space or the component carrier group reported.

Further, said method also can have following characteristics, if system carrier aggregation N number of upstream components carrier wave or component carrier group, or current system gives described scheduling of user terminals N number of upstream components carrier wave or component carrier group, the absolute indices of described N number of upstream components carrier wave or component carrier group presses the sequence of component carrier centre frequency increasing or decreasing for n=0,1 ..., N-1;

Or, if carry the current component carrier of power climbing space media access control layer control unit that reports or the absolute indices of component carrier group is n ₀, its relative indexing is 0, the relative indexing n '=(n-n of each component carrier or component carrier group ₀) mod N or n '=(n ₀-n) mod N.

Or, if the absolute indices of the resident component carrier of described user terminal or the component carrier group belonging to resident component carrier is n ₁, its relative indexing is 0, the relative indexing n '=(n-n of each component carrier or component carrier group ₁) mod N or n '=(n ₁-n) mod N.

Further, said method also can have following characteristics, and described user terminal reports power climbing space on its resident component carrier;

Or user terminal reports power climbing space on the component carrier as previous transmission PUSCH; Wherein, the described component carrier sending PUSCH carries simultaneously the power climbing space of one or more component carrier group.

The present invention also provides a kind of terminal, this terminal is used at subframe i, when component carrier group j sending uplink physical channel, at subframe i, component carrier group j measures power climbing space, and described uplink physical channel is Physical Uplink Shared Channel (PUSCH) and/or Physical Uplink Control Channel (PUCCH).

Further, above-mentioned terminal also can have following characteristics, this terminal, for at subframe i, when component carrier group j sending PUSCH or PUCCH, by maximum transmission power and the estimation of configuration on component carrier group j at subframe i, component carrier group j on the difference of the transmitting power of PUSCH or PUCCH of transmission as this terminal at subframe i, the power climbing space of measurement on component carrier group j.

Further, above-mentioned terminal also can have following characteristics, described terminal, for at subframe i, when multiple component carriers in component carrier group j send PUCCH or PUSCH, the transmitting power sum of PUCCH or PUSCH that the plurality of component carrier that this terminal is estimated sends as described terminal estimate at subframe i, the transmitting power of PUCCH or PUSCH that component carrier group j sends.

Further, above-mentioned terminal also can have following characteristics, described terminal, for at subframe i, when arbitrary component carrier in component carrier group j sends multiple PUCCH, to this component carrier, estimate the transmitting power of each PUCCH that this component carrier sends, using the transmitting power of the PUCCH sent on this component carrier that the transmitting power sum of each PUCCH that this component carrier sends is estimated as terminal.

Further, above-mentioned terminal also can have following characteristics, described terminal, and at subframe i, when component carrier group j sending PUSCH and PUCCH, at subframe i simultaneously, the power climbing space that component carrier group j measures is PH (i, j),

PH (i, j)=P _cMAX(j)-P ' _pUCCH(i, j)-P ' _pUSCH(i, j) or be PH _pUCCH(i, j) and PH _pUSCH(i, j):

PH _PUCCH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)

PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUCCH(i, j)-P ' _pUSCH(i, j) or PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUSCH(i, j)

Wherein, P ' _pUSCH(i, j) for described terminal estimate at subframe i, the transmitting power of the PUSCH on component carrier group j, P ' _pUCCH(i, j) for described terminal estimate at subframe i, the transmitting power of the PUCCH on component carrier group j, P _cMAXj maximum transmission power that () configures on component carrier group j for described terminal.

The present invention also provides a kind of terminal, this terminal, after measuring power climbing space, reports described power climbing space to base station, the component carrier belonging to power climbing space that also instruction of above giving the correct time reports or component carrier group.

Further, above-mentioned terminal also can have following characteristics, described terminal, for reporting described power climbing space by power climbing space media access control layer control unit, in described power climbing space media access control layer control unit, the absolute indices of component carrier or component carrier group or relative indexing is used to indicate the component carrier belonging to power climbing space or component carrier group that report.

Further, above-mentioned terminal also can have following characteristics, described terminal, for absolute indices or the relative indexing of the component carrier belonging to the power climbing space that uses the highest M position of described power climbing space media access control layer control unit to indicate to report or component carrier group.

Further, above-mentioned terminal also can have following characteristics, described terminal, for reporting power climbing space on its resident component carrier; Or, the component carrier as previous transmission PUSCH reports power climbing space; Wherein, the described component carrier sending PUSCH carries simultaneously the power climbing space of one or more component carrier group.

The method of measurement of the power climbing space that the present invention proposes solves the measurement of power climbing space in the lte-a system adopting carrier aggregation, the report method of power climbing space that the present invention proposes solve adopt power climbing space in the lte-a system of carrier aggregation report problem, power climbing space in certain component carrier group can report on the component carrier of other component carrier groups, power climbing space on certain component carrier can report on other component carriers, improves the promptness that power climbing space reports.

Accompanying drawing explanation

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

Fig. 1 is LTE system power climbing space MAC layer control unit structural representation;

Fig. 2 is lte-a system carrier aggregation schematic diagram.

Embodiment

The measurement of power climbing space provided by the invention and report method comprise following content:

User terminal is at subframe i, and when component carrier group j sending PUSCH and/or PUCCH, this user terminal, at subframe i, component carrier group j is measured power climbing space PH (i, j), is comprised following several situation:

1) user terminal is at subframe i, and component carrier group j sends PUSCH

User terminal is at subframe i, and when component carrier group j sending PUSCH, this user terminal, at subframe i, component carrier group j measures power climbing space PH (i, j).

User terminal, at subframe i, component carrier group j sends PUSCH, refers on subframe i, and the one or more component carriers of described user terminal in component carrier group j send PUSCH.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier group j is P ' _pUSCH(i, j), and the maximum transmission power that described user terminal configures on component carrier group j is P _cMAXj (), then the power climbing space of this user terminal on subframe i is

PH(i，j)＝P _CMAX(j)-P′ _PUSCH(i，j)[dB]

The i.e. difference of the transmitting power of the PUSCH sent on component carrier group j estimated of the maximum transmission power that configures on component carrier group j of described user terminal and user terminal.

Wherein, P ' _pUSCH(i, j) is the Open loop and closed loop power control instruction of user terminal according to base station, and path loss is estimated, and at subframe i, the transmitting power of the PUSCH that the number of resource blocks etc. of the PUSCH of scheduling is estimated on component carrier group j.

Especially, PUSCH is sent, P ' on multiple component carriers of user terminal in component carrier group j _pUSCH(i, j) is the transmitting power sum of the PUSCH on multiple component carriers of user terminal estimation.If the transmitting power of the PUSCH in component carrier group j, each component carrier estimated is P ' _pUSCH(i, k), wherein k ∈ K is the numbering of each component carrier in component carrier group j, then

$P_{\mathrm{PUSCH}}^{\&prime;}(i,j)=\underset{k\&Element;K}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUSCH}}^{\&prime;}(i,k)$

2) user terminal is at subframe i, and component carrier group j sends PUCCH

Certain user terminal, at subframe i, component carrier group j sends PUCCH, and user terminal, at subframe i, component carrier group j measures power climbing space PH (i, j).

User terminal is at subframe i, component carrier group j sends PUCCH, refer on subframe i, the one or more component carriers of described user terminal in component carrier group j send PUCCH, comprises on one or more component carriers of user terminal in component carrier group j and send multiple PUCCH channel.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUCCH on component carrier group j is P ' _pUCCH(i, j), and the maximum transmission power that described user terminal configures on component carrier group j is P _cMAXj (), then the power climbing space of this user terminal on subframe i is

PH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)[dB]

Namely the maximum transmission power that configures on component carrier group j of described user terminal and user terminal estimate at subframe i, the difference of the transmitting power of the PUCCH that component carrier group j sends.

Wherein, P ' _pUCCH(i, j) is the Open loop and closed loop power control instruction of user terminal according to base station, and path loss is estimated, and at subframe i, the transmitting power of the PUCCH that the PUCCH format that component carrier group j dispatches, the resource size etc. taken are estimated.

Especially, send PUCCH on multiple component carriers of user terminal in component carrier group j, and/or one or more component carriers in component carrier group j send multiple PUCCH channel, P ' _pUCCH(i, j) is the transmitting power sum of each PUCCH that user terminal is estimated.

If the transmitting power of the PUCCH in component carrier group j, each component carrier estimated is P ' _pUCCH(i, k), wherein k ∈ K is the numbering of each component carrier in component carrier group j, then

$P_{\mathrm{PUCCH}}^{\&prime;}(i,j)=\underset{k\&Element;K}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k)$

If the transmitting power of the PUCCH that component carrier k estimates is P ' _pUCCH(i, k), component carrier k sends multiple PUCCH channel, and the transmitting power of each PUCCH channel of estimation is P ' _pUCCH(i, k, c), wherein c ∈ C is the numbering of each PUCCH on component carrier k, then

$P_{\mathrm{PUCCH}}^{\&prime;}(i,k)=\underset{c\&Element;C}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k,c)$

Namely user terminal is at subframe i, when arbitrary component carrier in component carrier group j sends multiple PUCCH, to this component carrier, described user terminal estimates the transmitting power of each PUCCH that this component carrier sends, using the transmitting power of the uplink physical channel sent on this component carrier that the transmitting power sum of each PUCCH that this component carrier sends is estimated as user terminal.

3) user terminal is at subframe i, and component carrier group j sends PUSCH and PUCCH simultaneously

Suppose that certain user terminal is at subframe i, and component carrier group j sends PUSCH and PUCCH simultaneously, user terminal, at subframe i, component carrier group j measures power climbing space.

User terminal is at subframe i, component carrier group j sends PUSCH and PUCCH simultaneously, refer on subframe i, the one or more component carriers of described user terminal in component carrier group j send PUSCH, and the one or more component carriers in component carrier group j send PUCCH, comprise in following several situation one or more: a) the one or more component carriers of described user terminal in component carrier group j send PUSCH and PUCCH simultaneously, b) the one or more component carriers of described user terminal in component carrier group j send PUSCH, another or multiple component carrier send PUCCH.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier group j is P ' _pUSCH(i, j), the transmitting power of the PUCCH of estimation is P ' _pUCCH(i, j), and the maximum transmission power that described user terminal configures on component carrier group j is P _cMAX(j), then the power climbing space of this user terminal on subframe i is PH (i, j):

PH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)-P′ _PUSCH(i，j)[dB]

Or be PH _pUCCH(i, j) and PH _pUSCH(i, j)

PH _PUCCH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)[dB]

PH _PUSCH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)-P′ _PUSCH(i，j)[dB]

Or be PH _pUCCH(i, j) and PH _pUSCH(i, j)

PH _PUCCH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)[dB]

PH _PUSCH(i，j)＝P _CMAX(j)-P′ _PUSCH(i，j)[dB]

The i.e. difference of the transmitting power of PUSCH and/or PUCCH sent on component carrier group j estimated of the maximum transmission power that configures on component carrier group j of described user terminal and user terminal.

Wherein, P ' _pUSCH(i, j) is the Open loop and closed loop power control instruction of user terminal according to base station, and path loss is estimated, and at subframe i, the transmitting power of the PUSCH that the number of resource blocks of the PUSCH of scheduling is estimated on component carrier group j.

Especially, PUSCH is sent, P ' on multiple component carriers of user terminal in component carrier group j _pUSCH(i, j) is the transmitting power sum of the PUSCH on multiple component carriers of user terminal estimation.If the transmitting power of the PUSCH in component carrier group j, each component carrier estimated is P ' _pUSCH(i, k), wherein k ∈ K is the numbering of each component carrier in component carrier group j, then

$P_{\mathrm{PUSCH}}^{\&prime;}(i,j)=\underset{k\&Element;K}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUSCH}}^{\&prime;}(i,k)$

P ' _pUCCH(i, j) is the Open loop and closed loop power control instruction of user terminal according to base station, and path loss is estimated, and at subframe i, the transmitting power of the PUCCH that the PUCCH format that component carrier group j dispatches, the resource size taken are estimated.

Especially, send PUCCH on multiple component carriers of user terminal in component carrier group j, and/or one or more component carriers in component carrier group j send multiple PUCCH channel, P ' _pUCCH(i, j) is the transmitting power sum of each PUCCH that user terminal is estimated.

If the transmitting power of the PUCCH in component carrier group j, each component carrier estimated is P ' _pUCCH(i, k), wherein k ∈ K is the numbering of each component carrier in component carrier group j, then

$P_{\mathrm{PUCCH}}^{\&prime;}(i,j)=\underset{k\&Element;K}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k)$

If the transmitting power of the PUCCH that component carrier k estimates is P ' _pUCCH(i, k), component carrier k sends multiple PUCCH channel, and the transmitting power of each PUCCH channel of estimation is P ' _pUCCH(i, k, c), wherein c ∈ C is the numbering of each PUCCH on component carrier k, then

$P_{\mathrm{PUCCH}}^{\&prime;}(i,k)=\underset{c\&Element;C}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k,c)$

Described component carrier group j, refers to that the group component carrier wave that one or more component carrier forms, these component carriers can be used for sending upward signal.

Especially, described each component carrier group all only comprises one-component carrier wave.

Especially, described component carrier group comprises all component carriers using same power amplifier PA at described user terminal.

Especially, described component carrier group comprises whole component carriers that described user terminal can be supported.

P _cMAXj () is the maximum transmission power that user terminal configures on component carrier group j.

The maximum transmission power P that user terminal configures on component carrier group j _cMAXj () is limited to the maximum allowable power P that system configures on component carrier group j _eMAX(j), P _cMAX(j)≤P _eMAX(j), and/or the maximum allowable power that system in component carrier group j, each component carrier configures.If the maximum allowable power that system in component carrier group j, each component carrier configures is P _eMAXk (), wherein k ∈ K is the numbering of each component carrier in component carrier group j, then

$P_{\mathrm{CMAX}}\left(j\right)\&le;\underset{k=K}{\mathrm{\&Sigma;}}{P}_{\mathrm{EMAX}}\left(k\right)$

If according to the power grade of user terminal, the total maximum transmission power of user terminal is P _uMAX, the maximum transmission power sum that user terminal configures in each component carrier group is less than or equal to the total maximum transmission power of user terminal, namely

$\underset{j}{\mathrm{\&Sigma;}}{P}_{\mathrm{CMAX}}\left(j\right)\&le;P_{\mathrm{UMAX}}$

Or,

The maximum transmission power P that user terminal configures on component carrier group j _cMAXj () is limited to the maximum transmission power P that described component carrier group j supports at the power amplifier PA that described user terminal shares _pA(j), namely

P _CMAX(j)≤P _PA(j)

Or, the maximum transmission power P that user terminal configures on component carrier group j _cMAXj () is limited to above-mentioned several parameter

P _CMAX(j)＝min{P _EMAX(j)，P _PA(j)}

And/or

$P_{\mathrm{CMAX}}\left(j\right)=\min \{\underset{k\&Element;j}{\mathrm{\&Sigma;}}{P}_{\mathrm{EMAX}}\left(k\right),P_{\mathrm{PA}}\left(j\right)\}$

And

$\underset{j}{\mathrm{\&Sigma;}}{P}_{\mathrm{CMAX}}\left(j\right)\&le;P_{\mathrm{UMAX}}$

User terminal is when reporting power climbing space to base station, the power climbing space that instruction reports is the power climbing space in which component carrier group.Wherein, user terminal reports described power climbing space by power climbing space MAC layer control unit.

User terminal reports power climbing space on its resident component carrier; Or user terminal reports power climbing space on the component carrier as previous transmission PUSCH.The component carrier of described transmission PUSCH carries the power climbing space of one or more component carrier group simultaneously.

Further, user terminal, when reporting power climbing space to base station, in power climbing space MAC layer control unit, indicates absolute indices or the relative indexing of the component carrier group belonging to power climbing space reported.

Further, the highest M position in described power climbing space MAC layer control unit is used to indicate the absolute indices n of the component carrier group belonging to reported power climbing space.

Further, if described user terminal is configured with N number of component carrier group, or base station sends upward signal in this moment schedule said user's terminal in N number of component carrier group, the absolute indices n of each component carrier group is 0 by frequency increments or sort descending, 1 ..., N-1.

Or,

Further, the highest M position in described power climbing space MAC layer control unit is used to indicate the relative indexing n ' of the component carrier group belonging to reported power climbing space.

Further, if the absolute indices carrying the component carrier group belonging to component carrier of the current power climbing space MAC layer control unit reported is n ₀, its relative indexing is 0, the relative indexing n '=(n-n of each component carrier group ₀) mod N or n '=(n ₀-n) mod N;

Or, if the absolute indices of the component carrier group belonging to resident component carrier of described user terminal is n ₁, its relative indexing is 0, the relative indexing n '=(n-n of each component carrier ₁) mod N or n '=(n ₁-n) mod N.

Be described with several special cases of the component carrier number comprised in component carrier group below.

Special case 1

When described each component carrier group all only comprises one-component carrier wave, the component carrier that user terminal comprises in each component carrier group measures power climbing space.

A) user terminal is at subframe i, and when component carrier k sending PUSCH, this user terminal, at subframe i, component carrier k measures power climbing space PH (i, k).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier k is P ' _pUSCH(i, k), and the maximum transmission power that described user terminal configures on component carrier k is P _cMAXk (), then this user terminal is at subframe i, and the power climbing space on component carrier k is

PH(i，k)＝P _CMAX(k)-P′ _PUSCH(i，k)[dB]

Be the difference of the transmitting power of maximum transmission power that described user terminal configures on component carrier k and the PUSCH sent on component carrier k that user terminal is estimated.

Wherein, P ' _pUSCH(i, k) is the Open loop and closed loop power control instruction of user terminal according to base station, and path loss is estimated, and at subframe i, the transmitting power of the PUSCH that the number of resource blocks etc. of the PUSCH of scheduling is estimated on component carrier k.

B) suppose that certain user terminal is at subframe i, and component carrier k sends PUCCH, user terminal, at subframe i, component carrier k measures power climbing space PH (i, k).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUCCH on component carrier k is P ' _pUCCH(i, k), and the maximum transmission power that described user terminal configures on component carrier k is P _cMAXk (), then this user terminal is at subframe i, and the power climbing space on component carrier k is

PH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)[dB]

Be the difference of the transmitting power of maximum transmission power that described user terminal configures on component carrier k and the PUCCH sent on component carrier k that user terminal is estimated.

Wherein, P ' _pUCCH(i, k) is the Open loop and closed loop power control instruction of user terminal according to base station, and path loss is estimated, and at subframe i, the transmitting power of the PUCCH that the PUCCH format that component carrier k dispatches, the resource size etc. taken are estimated.

If send multiple PUCCH channel on component carrier k, the transmitting power of each PUCCH channel that user terminal is estimated is P ' _pUCCH(i, k, c), wherein c ∈ C is the numbering of each PUCCH on component carrier k, then

$P_{\mathrm{PUCCH}}^{\&prime;}(i,k)=\underset{c\&Element;C}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k,c)$

C) suppose that certain user terminal is at subframe i, and component carrier k sends PUSCH and PUCCH simultaneously, user terminal, at subframe i, component carrier k measures power climbing space.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier k is P ' _pUSCH(i, k), the transmitting power of the PUCCH of estimation is P ' _pUCCH(i, k), and the maximum transmission power that described user terminal configures on component carrier k is P _cMAXk (), then this user terminal is at subframe i, and the power climbing space on component carrier k is

PH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)-P′ _PUSCH(i，k)[dB]

Or

PH _PUCCH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)[dB]

PH _PUSCH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)-P′ _PUSCH(i，k)[dB]

Or

PH _PUCCH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)[dB]

PH _PUSCH(i，k)＝P _CMAX(k)-P′ _PUSCH(i，k)[dB]

The i.e. difference of the transmitting power of PUSCH and/or PUCCH simultaneously sent on component carrier k estimated of the maximum transmission power that configures on component carrier k of described user terminal and user terminal.

Wherein, P ' _pUSCH(i, k) is the Open loop and closed loop power control instruction of user terminal according to base station, and path loss is estimated, and at subframe i, the transmitting power of the PUSCH that the number of resource blocks etc. of the PUSCH of scheduling is estimated on component carrier k.

P ' _pUCCH(i, k) is the Open loop and closed loop power control instruction of user terminal according to base station, and path loss is estimated, and at subframe i, the transmitting power of the PUCCH that the PUCCH format that component carrier k dispatches, the resource size etc. taken are estimated.

If send multiple PUCCH channel on component carrier k, the transmitting power of each PUCCH channel that user terminal is estimated is P ' _pUCCH(i, k, c), wherein c ∈ C is the numbering of each PUCCH on component carrier k, then

$P_{\mathrm{PUCCH}}^{\&prime;}(i,k)=\underset{c\&Element;C}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k,c)$

Especially, P _cMAXk () is the maximum transmission power that user terminal configures on component carrier k.

The maximum transmission power P that user terminal configures on component carrier k _cMAXk () is limited to the maximum allowable power that system configures on component carrier k.If the maximum allowable power that system configures on component carrier k is P _eMAX(k), then

P _CMAX(k)≤P _EMAX(k)

If according to the power grade of user terminal, the total maximum transmission power of user terminal is P _uMAX, the maximum transmission power sum that user terminal configures on each component carrier is less than or equal to the total maximum transmission power of user terminal, namely

$\underset{k}{\mathrm{\&Sigma;}}{P}_{\mathrm{CMAX}}\left(k\right)\&le;P_{\mathrm{UMAX}}$

Or, the maximum transmission power P that user terminal configures on component carrier k _cMAXk () is limited to the maximum transmission power that described component carrier k supports at the power amplifier PA that described user terminal uses.If this component carrier is used alone a power amplifier PA at described user terminal, the maximum transmission power of this power amplifier support is P _pA(k), then

P _CMAX(k)≤P _PA(k)

If this component carrier uses a power amplifier PA jointly at described user terminal and other component carrier, the maximum transmission power of this power amplifier support is P _pA(j), then

$\underset{k}{\mathrm{\&Sigma;}}{P}_{\mathrm{CMAX}}\left(k\right)\&le;P_{\mathrm{PA}}\left(j\right)$

Or, the maximum transmission power P that family terminal configures on component carrier k _cMAX(k) be limited to above-mentioned both, such as

P _CMAX(k)＝min{P _EMAX(k)，P _PA(k)}

And

$\underset{k}{\mathrm{\&Sigma;}}{P}_{\mathrm{CMAX}}\left(k\right)\&le;P_{\mathrm{UMAX}}$

User terminal is when reporting power climbing space to base station, the power climbing space that instruction reports is the power climbing space on which component carrier.User terminal reports described power climbing space by power climbing space media access control layer control unit.

Further, user terminal, when reporting power climbing space to base station, in power climbing space MAC layer control unit, indicates absolute indices or the relative indexing of the component carrier belonging to power climbing space reported.

Further, the highest M position in described power climbing space MAC layer control unit is used to indicate absolute indices n or the relative indexing n ' of the component carrier belonging to reported power climbing space.

Further, if system carrier aggregation N number of (up) component carrier, or current system gives described scheduling of user terminals N number of (up) component carrier for sending upward signal, the absolute indices of N number of (up) component carrier presses the sequence of component carrier centre frequency increasing or decreasing for n=0,1, ..., N-1;

Or, if the absolute indices carrying the component carrier of the current power climbing space MAC layer control unit reported is n ₀, its relative indexing is 0, the relative indexing n '=(n-n of each component carrier ₀) mod N or n '=(n ₀-n) mod N.

Or, if the absolute indices of the resident component carrier of described user terminal is n ₁, its relative indexing is 0, the relative indexing n '=(n-n of each component carrier ₁) mod N or n '=(n ₁-n) mod N.

User terminal reports power climbing space on its resident component carrier;

Or user terminal, on the component carrier as previous transmission PUSCH, reports power climbing space.

The component carrier of described transmission PUSCH may carry the power climbing space of one or more component carrier simultaneously.

Special case 2

When described component carrier group comprises whole component carrier that described user terminal can support, user terminal measures power climbing space on the whole component carriers that can support, namely user terminal measures power climbing space on the component carrier of current all transmission upward signals.

A) suppose that certain user terminal sends PUSCH on subframe i, user terminal measures power climbing space PH (i) on subframe i.

User terminal sends PUSCH on subframe i, refers on subframe i, and described user terminal sends PUSCH on one or more component carrier.

The transmitting power supposing the PUSCH on subframe i that described user terminal is estimated is P ' _pUSCH(i), and the maximum transmission power of described user terminal configuration is P _cMAX, then the power climbing space of this user terminal on subframe i is

PH(i)＝P _CMAX-P′ _PUSCH(i)[dB]

The i.e. difference of the transmitting power of PUSCH estimated of the maximum transmission power of described user terminal configuration and user terminal.

Wherein, P ' _pUSCHi () is the Open loop and closed loop power control instruction of user terminal according to base station, path loss is estimated, and the transmitting power of PUSCH that the number of resource blocks of the PUSCH dispatched on subframe i etc. is estimated.

Especially, on multiple component carrier, PUSCH is sent to user terminal, P ' _pUSCHi () is the transmitting power sum of the PUSCH on multiple component carriers of user terminal estimation.If the transmitting power of the PUSCH that user terminal is estimated on each component carrier is P ' _pUSCH(i, k), wherein k is the numbering of each component carrier, then

$P_{\mathrm{PUSCH}}^{\&prime;}\left(i\right)=\underset{k}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUSCH}}^{\&prime;}(i,k)$

B) suppose that certain user terminal sends PUCCH on subframe i, user terminal measures power climbing space PH (i) on subframe i.

User terminal sends PUCCH on subframe i, refers on subframe i, and described user terminal sends PUCCH on one or more component carrier, comprises user terminal on one or more component carrier, sends multiple PUCCH channel.

The transmitting power supposing the PUCCH on subframe i that described user terminal is estimated is P ' _pUCCH(i), and the maximum transmission power of described user terminal configuration is P _cMAX, then the power climbing space of this user terminal on subframe i is

PH(i)＝P _CMAX-P′ _PUCCH(i)[dB]

The i.e. difference of the transmitting power of PUCCH estimated of the maximum transmission power of described user terminal configuration and user terminal.

Wherein, P ' _pUCCHi () is the Open loop and closed loop power control instruction of user terminal according to base station, path loss is estimated, and the transmitting power of PUCCH that the PUCCH format of dispatching on subframe i, the resource size that takies etc. are estimated.

Especially, on multiple component carrier, PUCCH is sent to user terminal, and/or on one or more component carrier, send multiple PUCCH channel, P ' _pUCCHi () is the transmitting power sum of each PUCCH that user terminal is estimated.

If the transmitting power of the PUCCH that each component carrier is estimated is P ' _pUCCH(i, k), wherein k is the numbering of each component carrier, then

$P_{\mathrm{PUCCH}}^{\&prime;}\left(i\right)=\underset{k}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k)$

If the transmitting power of the PUCCH that component carrier k estimates is P ' _pUCCH(i, k), component carrier k sends multiple PUCCH channel, and the transmitting power of each PUCCH channel of estimation is P ' _pUCCH(i, k, c), wherein c ∈ C is the numbering of each PUCCH on component carrier k, then

$P_{\mathrm{PUCCH}}^{\&prime;}(i,k)=\underset{c\&Element;C}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k,c)$

C) suppose that certain user terminal sends PUSCH and PUCCH on subframe i simultaneously, user terminal measures power climbing space PH (i) on subframe i.

User terminal sends PUSCH and PUCCH on subframe i simultaneously, refer on subframe i, described user terminal sends PUSCH on one or more component carrier, and on one or more component carrier, send PUCCH, comprise one or more in following several situation: (1) described user terminal sends PUSCH and PUCCH on one or more component carrier simultaneously; (2) described user terminal sends PUSCH on one or more component carrier, and another or multiple component carrier send PUCCH; 3) user terminal sends PUCCH on one or more component carrier, is included on one or more component carrier and sends multiple PUCCH channel.

The transmitting power supposing the PUSCH on subframe i that described user terminal is estimated is P ' _pUSCHi (), the transmitting power of the PUCCH of estimation is P ' _pUCCH(i), and the maximum transmission power of described user terminal configuration is P _cMAX, then the power climbing space of this user terminal on subframe i is

PH(i)＝P _CMAX-P′ _PUCCH(i)-P′ _PUSCH(i)[dB]

Or

PH _PUCCH(i)＝P _CMAX-P′ _PUCCH(i)[dB]

PH _PUSCH(i)＝P _CMAX-P′ _PUCCH(i)-P′ _PUSCH(i)[dB]

Or

PH _PUCCH(i)＝P _CMAX-P′ _PUCCH(i)[dB]

PH _PUSCH(i)＝P _CMAX-P′ _PUSCH(i)[dB]

The i.e. difference of the transmitting power of PUSCH and/or PUCCH estimated of the maximum transmission power of described user terminal configuration and user terminal.

Wherein, P ' _pUSCHi () is the Open loop and closed loop power control instruction of user terminal according to base station, path loss is estimated, and the transmitting power of PUSCH that the number of resource blocks of the PUSCH dispatched on subframe i etc. is estimated.

Especially, on multiple component carrier, PUSCH is sent to user terminal, P ' _pUSCHi () is the transmitting power sum of the PUSCH on multiple component carriers of user terminal estimation.If the transmitting power of the PUSCH that user terminal is estimated on each component carrier is P ' _pUSCH(i, k), wherein k is the numbering of each component carrier, then

$P_{\mathrm{PUSCH}}^{\&prime;}\left(i\right)=\underset{k}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUSCH}}^{\&prime;}(i,k)$

P ' _pUCCHi () is the Open loop and closed loop power control instruction of user terminal according to base station, path loss is estimated, and the transmitting power of PUCCH that the PUCCH format of dispatching on subframe i, the resource size that takies etc. are estimated.

Especially, on multiple component carrier, PUCCH is sent to user terminal, and/or on one or more component carrier, send multiple PUCCH channel, P ' _pUCCHi () is the transmitting power sum of each PUCCH that user terminal is estimated.

If the transmitting power of the PUCCH that each component carrier is estimated is P ' _pUCCH(i, k), the wherein numbering of each component carrier of k, then

$P_{\mathrm{PUCCH}}^{\&prime;}\left(i\right)=\underset{k}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k)$

If the transmitting power of the PUCCH that component carrier k estimates is P ' _pUCCH(i, k), component carrier k sends multiple PUCCH channel, and the transmitting power of each PUCCH channel of estimation is P ' _pUCCH(i, k, c), wherein c ∈ C is the numbering of each PUCCH on component carrier k, then

$P_{\mathrm{PUCCH}}^{\&prime;}(i,k)=\underset{c\&Element;C}{\mathrm{\&Sigma;}}{P}_{\mathrm{PUCCH}}^{\&prime;}(i,k,c)$

Especially, P _cMAXit is the maximum transmission power of user terminal configuration.

The maximum transmission power P of user terminal configuration _cMAXthe system that is limited to is to the maximum allowable power P of described user terminal configuration _eMAX, namely

P _CMAX≤P _EMAX

The maximum transmission power P of user terminal configuration _cMAXbe limited to the maximum transmission power that user terminal is total.If according to the power grade of user terminal, the configuration etc. of power amplifier PA, the total maximum transmission power of user terminal is P _uMAX, then

P _CMAX≤P _UMAX

Or, the maximum transmission power P of user terminal configuration _cMAXbe limited to above-mentioned both:

P _CMAX＝min{P _EMAX，P _UMAX}

User terminal reports described power climbing space by power climbing space media access control layer control unit.

User terminal reports power climbing space on its resident component carrier; Or user terminal, on the component carrier as previous transmission PUSCH, reports power climbing space.

The component carrier of described transmission PUSCH may carry one or more power climbing space simultaneously.

The present invention also provides a kind of terminal, this terminal is used at subframe i, when component carrier group j sending uplink physical channel, at subframe i, component carrier group j measures power climbing space, and described uplink physical channel is Physical Uplink Shared Channel (PUSCH) and/or Physical Uplink Control Channel (PUCCH).

Wherein, described terminal, for at subframe i, when component carrier group j sending PUSCH or PUCCH, by on component carrier group j configuration maximum transmission power and estimation at subframe i, the difference of transmitting power of PUSCH or PUCCH that component carrier group j sends as this terminal at subframe i, the power climbing space of measurement component carrier group j on.

Wherein, described terminal, for at subframe i, when multiple component carriers in component carrier group j send PUCCH or PUSCH, the transmitting power sum of PUCCH or PUSCH that the plurality of component carrier that this terminal is estimated sends as described terminal estimate at subframe i, the transmitting power of PUCCH or PUSCH that component carrier group j sends.

Wherein, described terminal, for at subframe i, when arbitrary component carrier in component carrier group j sends multiple PUCCH, to this component carrier, estimate the transmitting power of each PUCCH that this component carrier sends, using the transmitting power of the PUCCH sent on this component carrier that the transmitting power sum of each PUCCH that this component carrier sends is estimated as terminal.

Wherein, described terminal, at subframe i, when component carrier group j sending PUSCH and PUCCH, at subframe i simultaneously, the power climbing space that component carrier group j measures is PH (i, j),

PH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)-P′ _PUSCH(i，j)

Or be PH _pUCCH(i, j) and PH _pUSCH(i, j):

PH _PUCCH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)

PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUCCH(i, j)-P ' _pUSCH(i, j) or PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUSCH(i, j)

Wherein, P ' _pUSCH(i, j) for described terminal estimate at subframe i, the transmitting power of the PUSCH on component carrier group j, P ' _pUCCH(i, j) for described terminal estimate at subframe i, the transmitting power of the PUCCH on component carrier group j, P _cMAXj maximum transmission power that () configures on component carrier group j for described terminal.

The present invention also provides a kind of terminal, described terminal, after measuring power climbing space according to the method for the invention, report described power climbing space to base station, the component carrier belonging to power climbing space that also instruction of above giving the correct time reports or component carrier group.

Wherein, described terminal, for reporting described power climbing space by power climbing space media access control layer control unit, in described power climbing space media access control layer control unit, the absolute indices of component carrier or component carrier group or relative indexing is used to indicate the component carrier belonging to power climbing space or component carrier group that report.

Wherein, described terminal, for absolute indices or the relative indexing of the component carrier belonging to the power climbing space that uses the highest M position of described power climbing space media access control layer control unit to indicate to report or component carrier group.

Wherein, described terminal, for reporting power climbing space on its resident component carrier; Or, the component carrier as previous transmission PUSCH reports power climbing space; Wherein, the described component carrier sending PUSCH carries simultaneously the power climbing space of one or more component carrier group.

The present invention is described in detail below in conjunction with embodiment and accompanying drawing.

Embodiment one

Assuming that a lte-a system, under being operated in Frequency Division Duplexing (FDD) (Frequency Division Duplex, FDD) pattern, in system, there are two downlink component carrier D1 and D2, two upstream components carrier wave U1 and U2.Wherein, U1 and D1 is positioned at same frequency range, U2 and D2 is positioned at another frequency range.

Certain user terminal is supported on U1 and U2 and sends upward signal.

This user terminal measures power climbing space respectively on component carrier U1 and U2.

Suppose that certain user terminal is at subframe i, and component carrier U1 sends PUSCH, user terminal, at subframe i, component carrier U1 measures power climbing space PH (i, 1).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier U1 is P ' _pUSCH(i, 1), and the maximum transmission power that described user terminal configures on component carrier U1 is P _cMAX(1), then this user terminal is at subframe i, and the power climbing space on component carrier U1 is

PH(i，1)＝P _CMAX(1)-P′ _PUSCH(i，1)[dB]

Suppose that certain user terminal is at subframe i, and component carrier U2 sends PUSCH, user terminal, at subframe i, component carrier U1 measures power climbing space PH (i, 2).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier U2 is P ' _pUSCH(i, 2), and the maximum transmission power that described user terminal configures on component carrier U2 is P _cMAX(2), then this user terminal is at subframe i, and the power climbing space on component carrier U2 is

PH(i，2)＝P _CMAX(2)-P′ _PUSCH(i，2)[dB]

Suppose that certain user terminal is at subframe i, and component carrier U2 sends PUSCH and PUCCH simultaneously, user terminal, at subframe i, component carrier U2 measures power climbing space PH (i, 2).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier U2 is P ' _pUSCH(i, 2), the transmitting power of the PUCCH of estimation is P ' _pUCCH(i, 2), and the maximum transmission power that described user terminal configures on component carrier U2 is P _cMAX(2), then this user terminal is at subframe i, and the power climbing space on component carrier U2 is

PH(i，2)＝P _CMAX(2)-P′ _PUSCH(i，2)-P′ _PUCCH(i，2)[dB]

Or

PH _PUCCH(i，2)＝P _CMAX(2)-P′ _PUCCH(i，2)[dB]

PH _PUSCH(i，2)＝P _CMAX(2)-P′ _PUCCH(i，2)-P′ _PUSCH(i，2)[dB]

Or

PH _PUCCH(i，2)＝P _CMAX(2)-P′ _PUCCH(i，2)[dB]

PH _PUSCH(i，2)＝P _CMAX(2)-P′ _PUSCH(i，2)[dB]

P _cMAXand P (1) _cMAX(2) be the maximum transmission power that user terminal configures on component carrier U1 and U2 respectively, meet

P _CMAX(1)＝min{P _EMAX(1)，P _PA(1)}

P _CMAX(2)＝min{P _EMAX(2)，P _PA(2)}

And

P _CMAX(1)+P _CMAX(2)≤P _UMAX

Wherein P _eMAXand P (1) _eMAX(2) maximum allowable power that system configures on component carrier U1 and U2 is respectively; P _pAand P (1) _pA(2) maximum transmission power that component carrier U1 and U2 supports at the power amplifier PA that described user terminal uses is respectively; P _uMAXfor the maximum transmission power that user terminal is total.

This user terminal is when reporting power climbing space to base station, the power climbing space that instruction reports is the power climbing space on which component carrier.

When this user terminal is at the upper transmitted power rising space MAC layer control unit of component carrier U1 (or U2), when reporting the power climbing space on component carrier U1 and/or U2 to base station, the highest 2 in described power climbing space MAC layer control unit are respectively 00 (absolute indices of component carrier U1) and 01 (absolute indices of component carrier U2).

Or,

When this user terminal transmitted power rising space MAC layer control unit on component carrier U1, when reporting the power climbing space on component carrier U1 and/or U2 to base station, the highest 2 in described power climbing space MAC layer control unit are respectively 00 (relative indexing of component carrier U1) and 01 (relative indexing of component carrier U2).

When this user terminal transmitted power rising space MAC layer control unit on component carrier U2, when reporting the power climbing space on component carrier U1 and/or U2 to base station, the highest 2 in described power climbing space MAC layer control unit are respectively 01 (relative indexing of component carrier U1) and 00 (relative indexing of component carrier U2).

Or,

Suppose that component carrier U2 is the resident component carrier of this user terminal, this user terminal is transmitted power rising space MAC layer control unit on component carrier U2, when reporting the power climbing space on component carrier U1 and/or U2 to base station, the highest 2 in described power climbing space MAC layer control unit are respectively 01 (relative indexing of component carrier U1) and 00 (relative indexing of component carrier U2).

Embodiment two

Assuming that a lte-a system, work in the fdd mode, has four downlink component carrier D1, D2, D3 and D4, four upstream components carrier wave U1, U2, U3 and U4 in system.Wherein, U1, U2, D1, D2 are positioned at same frequency range, U3 and D3 is positioned at another frequency range, U4 and D4 is positioned at the 3rd frequency range.

Certain user terminal is supported in U1, and U2, U3 and U4 send upward signal.Then U1 and U2 is one-component carrier wave set (component carrier group 0), U3 and U4 is respectively one-component carrier wave set (component carrier group 1 and component carrier group 2).

This user terminal measures power climbing space in component carrier group, measures power climbing space, component carrier U3 and U4 measures power climbing space respectively together with namely on component carrier U1 with U2.

Suppose that certain user terminal is at subframe i, and component carrier U1 sends PUSCH, user terminal, at subframe i, component carrier group 0 is measured power climbing space PH (i, 0).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier U1 is P ' _pUSCH(i, 1), and the maximum transmission power that described user terminal configures in component carrier group 0 is P _cMAX(0), then this user terminal is at subframe i, and the power climbing space in component carrier group 0 is

PH(i，0)＝P _CMAX(0)-P′ _PUSCH(i，1)[dB]

Suppose that certain user terminal is at subframe i, and component carrier U1 and U2 sends PUSCH, user terminal, at subframe i, component carrier group 0 is measured power climbing space PH (i, 0).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier U1 is P ' _pUSCH(i, 1), the transmitting power of the PUSCH on the component carrier U2 of estimation is P ' _pUSCH(i, 2), and the maximum transmission power that described user terminal configures in component carrier group 0 is P _cMAX(0), then this user terminal is at subframe i, and the power climbing space in component carrier group 0 is

PH(i，0)＝P _CMAX(0)-P′ _PUSCH(i，1)-P′ _PUSCH(i，2)[dB]

Suppose that certain user terminal is at subframe i, and component carrier U2 sends PUCCH, user terminal, at subframe i, component carrier group 0 is measured power climbing space PH (i, 0).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUCCH on component carrier U2 is P ' _pUCCH(i, 2), and the maximum transmission power that described user terminal configures in component carrier group 0 is P _cMAX(0), then this user terminal is at subframe i, and the power climbing space in component carrier group 0 is

PH(i，0)＝P _CMAX(0)-P′ _PUCCH(i，2)[dB]

Suppose that described user terminal is at subframe i, transmission 2 PUCCH channels on component carrier U2, the transmitting power of estimation is respectively P ' _pUCCH(i, 2,0) and P ' _pUCCH(i, 2,1), then

P′ _PUCCH(i，2)＝P′ _PUCCH(i，2，0)+P′ _PUCCH(i，2，1)

Suppose that certain user terminal is at subframe i, and component carrier U1 sends PUSCH, component carrier U2 sends PUSCH and PUCCH simultaneously, user terminal, at subframe i, component carrier group 0 is measured power climbing space PH (i, 0).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier U1 is P ' _pUSCH(i, 1), the transmitting power of the PUSCH on component carrier U2 of estimation is P ' _pUSCH(i, 2), the transmitting power of the PUCCH on component carrier U2 of estimation is P ' _pUCCH(i, 2), and the maximum transmission power that described user terminal configures in component carrier group 0 is P _cMAX(0), then this user terminal is at subframe i, and the power climbing space in component carrier group 0 is

PH(i，0)＝P _CMAX(0)-P′ _PUSCH(i，1)-P′ _PUSCH(i，2)-P′ _PUCCH(i，2)[dB]

Suppose that certain user terminal is at subframe i, and component carrier U1 sends PUCCH, component carrier U2 sends PUSCH and PUCCH simultaneously, user terminal, at subframe i, component carrier group 0 is measured power climbing space PH (i, 0).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUCCH on component carrier U1 is P ' _pUCCH(i, 1), the transmitting power of the PUSCH on component carrier U2 of estimation is P ' _pUSCH(i, 2), the transmitting power of the PUCCH on component carrier U2 of estimation is P ' _pUCCH(i, 2), and the maximum transmission power that described user terminal configures in component carrier group 0 is P _cMAX(0), then this user terminal is at subframe i, and the power climbing space in component carrier group 0 is

PH(i，0)＝P _CMAX(0)-P′ _PUCCH(i，1)-P′ _PUSCH(i，2)-P′ _PUCCH(i，2)[dB]

Suppose that certain user terminal is at subframe i, and component carrier U1 sends PUSCH and PUCCH simultaneously, component carrier U2 sends PUSCH and PUCCH simultaneously, user terminal, at subframe i, component carrier group 0 is measured power climbing space PH (i, 0).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on component carrier U1 is P ' _pUSCH(i, 1), the transmitting power of the PUCCH on component carrier U1 of estimation is P ' _pUCCH(i, 1), the transmitting power of the PUSCH on component carrier U2 of estimation is P ' _pUSCH(i, 2), the transmitting power of the PUCCH on component carrier U2 of estimation is P ' _pUCCH(i, 2), and the maximum transmission power that described user terminal configures in component carrier group 0 is P _cMAX(0), then this user terminal is at subframe i, and the power climbing space in component carrier group 0 is

PH(i，0)＝P _CMAX(0)-P′ _PUSCH(i，1)-P′ _PUCCH(i，1)-P′ _PUSCH(i，2)-P′ _PUCCH(i，2)[dB]

Suppose that certain user terminal is at subframe i, component carrier U3 and U4 sends PUSCH and/or PUCCH respectively, user terminal is at subframe i, component carrier group 1 (i.e. component carrier U3) and component carrier group 2 (i.e. component carrier U4) measure power climbing space PH (i respectively, 1) and PH (i, 2).

P _cMAX(0) be the maximum transmission power of user terminal in the upper configuration of component carrier group 0 (comprising component carrier U1 and U2), meet

P _CMAX(0)＝min{P _EMAX(1)+P _EMAX(2)，P _PA(0)}

Wherein P _eMAXand P (1) _eMAX(2) maximum allowable power that system configures on component carrier U1 and U2 is respectively; P _pA(0) be maximum transmission power that component carrier U1 and U2 supports at the power amplifier PA that described user terminal shares.

P _cMAXand P (1) _cMAX(2) be the maximum transmission power that user terminal above configures in component carrier group 1 (component carrier U3) and component carrier group 2 (component carrier U4) respectively, meet

P _CMAX(1)＝min{P _EMAX(3)，P _PA(1)}

P _CMAX(2)＝min{P _EMAX(4)，P _PA(2)}

Wherein P _eMAXand P (1) _eMAX(2) maximum allowable power that system configures on component carrier U3 and U4 is respectively; P _pAand P (1) _pA(2) maximum transmission power that component carrier U3 and U4 supports at the power amplifier PA that described user terminal uses is respectively.

And

P _CMAX(0)+P _CMAX(1)+P _CMAX(2)≤P _UMAX

P _uMAXfor the maximum transmission power that user terminal is total.

This user terminal is when reporting power climbing space to base station, the power climbing space that instruction reports is the power climbing space in which component carrier group.

When this user terminal is at the upper transmitted power rising space MAC layer control unit of component carrier U1 (or U2 or U3 or U4), when reporting the power climbing space in component carrier group 0 and/or 1 and/or 2 to base station, the highest 2 in described power climbing space MAC layer control unit are respectively 00 (absolute indices of component carrier group 0), 01 (absolute indices of component carrier group 1), 10 (absolute indices of component carrier group 2).

Or,

When this user terminal is at the upper transmitted power rising space MAC layer control unit of component carrier U1 (or U2), when reporting the power climbing space in component carrier group 0 and/or 1 and/or 2 to base station, the highest 2 in described power climbing space MAC layer control unit are respectively 00 (relative indexing of component carrier group 0), 01 (relative indexing of component carrier group 1), 10 (relative indexings of component carrier group 2).

When this user terminal transmitted power rising space MAC layer control unit on component carrier U3, when reporting the power climbing space in component carrier group 0 and/or 1 and/or 2 to base station, the highest 2 in described power climbing space MAC layer control unit is 10 (relative indexings of component carrier group 0), 00 (relative indexing of component carrier group 1), 01 (relative indexing of component carrier group 2).

When this user terminal transmitted power rising space MAC layer control unit on component carrier U4, when reporting the power climbing space in component carrier group 0 and/or 1 and/or 2 to base station, the highest 2 in described power climbing space MAC layer control unit is 01 (relative indexing of component carrier group 0), 10 (relative indexings of component carrier group 1), 00 (relative indexing of component carrier group 2).

Or,

Suppose that component carrier U2 is the resident component carrier of this user terminal, this user terminal is transmitted power rising space MAC layer control unit on component carrier U2, when reporting the power climbing space on component carrier U1 and/or U2 and/or U3 and/or U4 to base station, the highest 2 in described power climbing space MAC layer control unit are respectively 00 (relative indexing of component carrier group 0), 01 (relative indexing of component carrier group 1), 10 (relative indexings of component carrier group 2).

Embodiment three

Assuming that a lte-a system, work in tdd mode, has five component carrier C0, C1, C2, C3 and C4 in system.Wherein, C0 and C1 is positioned at same frequency range, and C2 is positioned at another frequency range, C3 and C4 is positioned at the 3rd frequency range.

Certain user terminal is supported in C0, and C1, C2, C3, C4 send upward signal.

This user terminal, at component carrier C0, C1, C2, C3, C4 measures power climbing space respectively.

Suppose that certain user terminal is at subframe i, component carrier C _kupper transmission PUSCH, user terminal at subframe i, component carrier C _kupper measurement power climbing space PH (i, k), k=0,1,2,3,4.

Suppose that described user terminal estimates at subframe i, component carrier C _kon the transmitting power of PUSCH be P ' _pUSCH(i, k), and described user terminal is at component carrier C _kthe maximum transmission power of upper configuration is P _cMAXk (), then this user terminal is at subframe i, component carrier C _kon power climbing space be

PH(i，k)＝P _CMAX(k)-P′ _PUSCH(i，k)[dB]

Suppose that certain user terminal is at subframe i, component carrier C _kupper transmission PUCCH, user terminal at subframe i, component carrier C _kupper measurement power climbing space PH (i, k).

Suppose that described user terminal estimates at subframe i, component carrier C _kon the transmitting power of PUCCH be P ' _pUCCH(i, k), and described user terminal is at component carrier C _kthe maximum transmission power of upper configuration is P _cMAXk (), then this user terminal is at subframe i, component carrier C _kon power climbing space be

PH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)[dB]

Suppose that described user terminal is at subframe i, component carrier C _kupper transmission 3 PUCCH channels, the transmitting power of estimation is respectively P ' _pUCCH(i, k, 0), P ' _pUCCH(i, k, 1) and P ' _pUCCH(i, k, 2), then

P′ _PUCCH(i，k)＝P′ _PUCCH(i，k，0)+P′ _PUCCH(i，k，1)+P′ _PUCCH(i，k，2)

Suppose that certain user terminal is at subframe i, component carrier C _kupper simultaneously send PUSCH and PUCCH, user terminal at subframe i, component carrier C _kupper measurement power climbing space PH (i, k).

Suppose that described user terminal estimates at subframe i, component carrier C _kon the transmitting power of PUSCH be P ' _pUSCH(i, k), the transmitting power of the PUCCH of estimation is P ' _pUCCH(i, k), and described user terminal is at component carrier C _kthe maximum transmission power of upper configuration is P _cMAXk (), then this user terminal is at subframe i, component carrier C _kon power climbing space be

PH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)-P′ _PUSCH(i，k)[dB]

Or

PH _PUCCH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)[dB]

PH _PUSCH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)-P′ _PUSCH(i，k)[dB]

Or

PH _PUCCH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)[dB]

PH _PUSCH(i，k)＝P _CMAX(k)-P′ _PUSCH(i，k)[dB]

P _cMAXk () is that user terminal is at component carrier C _kthe maximum transmission power of upper configuration, meets

P _CMAX(k)≤P _EMAX(k)

And

$\underset{k=0}{\overset{4}{\mathrm{\&Sigma;}}}{P}_{\mathrm{CMAX}}\left(k\right)\&le;P_{\mathrm{UMAX}}$

Wherein, P _eMAXk () is for system is at component carrier C _kthe maximum allowable power of upper configuration; P _uMAXfor the power grade according to user terminal, the maximum transmission power that user terminal is total.

Further, user terminal is at component carrier C _kthe maximum transmission power P of upper configuration _cMAXk () is limited to described component carrier C _kthe maximum transmission power that the power amplifier PA used at described user terminal supports.Suppose that component carrier C0 and C1 shares a power amplifier PA0 at described user terminal, the maximum transmission power of support is P _pA(0); C2 is used alone a power amplifier PA1, and the maximum transmission power of support is P _pA(1); C3 and C4 shares this power amplifier of power amplifier PA2, and the maximum transmission power of support is P _pA(2), then

P _CMAX(0)+P _CMAX(1)≤P _PA(0)

P _CMAX(2)≤P _PA(1)

P _CMAX(3)+P _CMAX(4)≤P _PA(2)

This user terminal is when reporting power climbing space to base station, the power climbing space that instruction reports is the power climbing space on which component carrier.

When this user terminal is at component carrier C _k0upper transmitted power rising space MAC layer control unit, reports component carrier C to base station _kon power climbing space time, the highest 3 or 2 in described power climbing space MAC layer control unit is component carrier C _kabsolute indices k, or component carrier C _krelative indexing k ', k '=(k-k ₀) mod 5 or n '=(k ₀-k) mod 5.

Embodiment four

Assuming that a lte-a system, work in tdd mode, has five component carrier C0, C1, C2, C3 and C4, is positioned at same frequency range in system.

Certain user terminal is supported in C0, and C1, C2, C3, C4 send upward signal.

This user terminal, at component carrier C0, C1, C2, C3, C4 measures power climbing space together.

Suppose that certain user terminal sends PUSCH on subframe i, user terminal measures power climbing space PH (i) on subframe i.

Suppose that described user terminal sends PUSCH on subframe i, C0, C1, C2, the transmitting power of the PUSCH on subframe i that user terminal is estimated is P ' _pUSCH(i) be

P′ _PUSCH(i)＝P′ _PUSCH(i，0)+P′ _PUSCH(i，1)+P′ _PUSCH(i，2)[dBm]

Wherein, described user terminal estimate at subframe i, component carrier C _kon the transmitting power of PUSCH be P ' _pUSCH(i, k), k=0,1,2.

And the maximum transmission power of described user terminal configuration is P _cMAX, then the power climbing space of this user terminal on subframe i is

PH(i)＝P _CMAX-P′ _PUSCH(i)[dB]

Suppose that certain user terminal sends PUCCH on subframe i, user terminal measures power climbing space PH (i) on subframe i.

Suppose that described user terminal sends PUCCH on subframe i, C0, C2, the transmitting power of the PUCCH on subframe i that user terminal is estimated is P ' _pUCCH(i) be

P′ _PUCCH(i)＝P′ _PUCCH(i，0)+P′ _PUCCH(i，2)[dBm]

Wherein, described user terminal estimate at subframe i, component carrier C _kon the transmitting power of PUCCH be P ' _pUCCH(i, k), k=0,2.

Suppose that described user terminal is at subframe i, transmission 2 PUCCH channels on component carrier C2, the transmitting power of estimation is respectively P ' _pUCCH(i, 2,0) and P ' _pUCCH(i, 2,1), then

P′ _PUCCH(i，2)＝P′ _PUCCH(i，2，0)+P′ _PUCCH(i，2，1)

And the maximum transmission power of described user terminal configuration is P _cMAX, then the power climbing space of this user terminal on subframe i is

PH(i)＝P _CMAX-P′ _PUCCH(i)[dB]

Suppose that certain user terminal sends PUSCH and PUCCH on subframe i, C0 and C3 simultaneously, user terminal measures power climbing space PH (i) on subframe i.

Suppose that described user terminal sends PUSCH on subframe i, C0, C3, the transmitting power of the PUSCH on subframe i that user terminal is estimated is P ' _pUSCH(i) be

P′ _PUSCH(i)＝P′ _PUSCH(i，0)+P′ _PUSCH(i，3)[dBm]

Wherein, described user terminal estimate at subframe i, component carrier C _kon the transmitting power of PUSCH be P ' _pUSCH(i, k), k=0,3.

Suppose that described user terminal sends PUCCH on subframe i, C0, C3, the transmitting power of the PUCCH on subframe i that user terminal is estimated is P ' _pUCCH(i) be

P′ _PUCCH(i)＝P′ _PUCCH(i，0)+P′ _PUCCH(i，3)[dBm]

Wherein, described user terminal estimate at subframe i, component carrier C _kon the transmitting power of PUCCH be P ' _pUCCH(i, k), k=0,3.

Suppose that described user terminal is at subframe i, transmission 2 PUCCH channels on component carrier C0, transmission 2 PUCCH channels on component carrier C3, the transmitting power of estimation is respectively P ' _pUCCH(i, 0,0) and P ' _pUCCH(i, 0,1), P ' _pUCCH(i, 3,0) and P ' _pUCCH(i, 3,1), then

P′ _PUCCH(i)=P′ _PUCCH(i，0，0)+P′ _PUCCH(i，0，1)+P′ _PUCCH(i，3，0)+P′ _PUCCH(i，3，1)

And the maximum transmission power of described user terminal configuration is P _cMAX, then the power climbing space of this user terminal on subframe i is PH (i)

PH(i)=P _CMAX—P′ _PUCCH(i)-P′ _PUSCH(i)[dB]

Or be PH _pUCCH(i) and PH _pUSCH(i)

PH _PUCCH(i)=P _CMAX—P′ _PUCCH(i)[dB]

PH _PUSCH(i)=P _CMAX—P′ _PUCCH(i)-P′ _PUSCH(i)[dB]

Or be PH _pUCCH(i) and PH _pUSCH(i)

PH _PUCCH(i)=P _CMAX—P′ _PUCCH(i)[dB]

PH _PUSCH(i)=P _CMAX—P′ _PUSCH(i)[dB]

System is P to the maximum allowable power of described user terminal configuration _eMAX, according to the power grade of user terminal, the configuration etc. of power amplifier PA, the total maximum transmission power of user terminal is P _uMAX, then

P _CMAX=min{P _EMAX，P _UMAX}

The foregoing is only embodiments of the invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present invention.

Claims (18)

1. the method for measurement of a power climbing space, it is characterized in that, comprise: user terminal is at subframe i, when component carrier group j sending uplink physical channel, this user terminal is at subframe i, component carrier group j measures power climbing space, and described uplink physical channel is Physical Uplink Shared Channel PUSCH and/or Physical Uplink Control Channel PUCCH, comprises one or more component carrier in described component carrier group j;

Described user terminal is at subframe i, when component carrier group j sending PUSCH or PUCCH, described user terminal by component carrier group j configuration maximum transmission power and user terminal estimate at subframe i, the difference of transmitting power of PUSCH or PUCCH that component carrier group j sends as this user terminal at subframe i, the power climbing space of measurement component carrier group j on;

Described user terminal is at subframe i, when multiple component carriers in component carrier group j send PUCCH or PUSCH, described user terminal estimate at subframe i, the transmitting power of PUCCH or PUSCH that component carrier group j sends is the transmitting power sum of PUCCH or PUSCH sent on the plurality of component carrier of user terminal estimation.

2. the method for claim 1, it is characterized in that, user terminal is at subframe i, when arbitrary component carrier in component carrier group j sends multiple PUCCH, to this component carrier, described user terminal estimates the transmitting power of each PUCCH that this component carrier sends, using the transmitting power of the PUCCH sent on this component carrier that the transmitting power sum of each PUCCH that this component carrier sends is estimated as user terminal.

3. the method for claim 1, is characterized in that, user terminal is at subframe i, and when component carrier group j sending simultaneously PUSCH and PUCCH, this user terminal is at subframe i, and the power climbing space that component carrier group j measures is PH (i, j):

PH(i,j)＝P _CMAX(j)-P′ _PUCCH(i,j)-P′ _PUSCH(i,j)

Or be PH _pUCCH(i, j) and PH _pUSCH(i, j):

PH _PUCCH(i,j)＝P _CMAX(j)-P′ _PUCCH(i,j)

PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUCCH(i, j)-P ' _pUSCH(i, j) or PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUSCH(i, j)

Wherein, P ' _pUSCH(i, j) for described user terminal estimate at subframe i, the transmitting power of the PUSCH on component carrier group j, P ' _pUCCH(i, j) for described user terminal estimate at subframe i, the transmitting power of the PUCCH on component carrier group j, P _cMAXj maximum transmission power that () configures on component carrier group j for described user terminal.

4. the method as described in claim 1 or 3, is characterized in that, the maximum transmission power that described user terminal configures on component carrier group j is not more than the maximum allowable power that system configures on component carrier group j; And/or the maximum transmission power that described user terminal configures on component carrier group j is not more than the maximum allowable power sum that system in component carrier group j, each component carrier configures; And/or the maximum transmission power that described user terminal configures on component carrier group j and the maximum transmission power sum that user terminal configures in other component carrier groups are not more than the total maximum transmission power of user terminal; And/or the maximum transmission power that user terminal configures on component carrier group j is not more than the maximum transmission power that described component carrier group j supports at the power amplifier that described user terminal shares.

5. the method for claim 1, it is characterized in that, user terminal is at subframe i, component carrier group j sends uplink physical channel, refer on subframe i, the one or more component carriers of described user terminal in component carrier group j send PUSCH, and/or, the one or more component carriers in component carrier group j send one or more PUCCH.

6. the method for claim 1, is characterized in that, described component carrier group j comprises all component carriers using same power amplifier at described user terminal; Or described component carrier group j comprises whole component carriers that described user terminal can be supported.

7. the report method of a power climbing space, it is characterized in that, after user terminal adopts the arbitrary described method of claim 1 to 6 to measure power climbing space, report described power climbing space to base station, the component carrier belonging to power climbing space that also instruction of above giving the correct time reports or component carrier group.

8. method as claimed in claim 7, it is characterized in that, described user terminal reports described power climbing space by power climbing space media access control layer control unit, in described power climbing space media access control layer control unit, the absolute indices of component carrier or component carrier group or relative indexing is used to indicate the component carrier belonging to power climbing space or component carrier group that report.

9. method as claimed in claim 7, it is characterized in that, described user terminal uses the highest M position of described power climbing space media access control layer control unit to indicate absolute indices or the relative indexing of the component carrier belonging to power climbing space or the component carrier group reported.

10. method as claimed in claim 8 or 9, it is characterized in that, if system carrier aggregation N number of upstream components carrier wave or component carrier group, or current system gives described scheduling of user terminals N number of upstream components carrier wave or component carrier group, the absolute indices of described N number of upstream components carrier wave or component carrier group presses the sequence of component carrier centre frequency increasing or decreasing for n=0,1 ..., N-1;

Or, if carry the current component carrier of power climbing space media access control layer control unit that reports or the absolute indices of component carrier group is n ₀, its relative indexing is 0, the relative indexing n '=(n-n of each component carrier or component carrier group ₀) mod N or n '=(n ₀-n) mod N;

Or if the absolute indices of the resident component carrier of described user terminal or the component carrier group belonging to resident component carrier is n1, its relative indexing is 0, the relative indexing n '=(n-n of each component carrier or component carrier group ₁) mod N or n '=(n ₁-n) mod N.

11. methods as claimed in claim 7, it is characterized in that, described user terminal reports power climbing space on its resident component carrier;

Or user terminal reports power climbing space on the component carrier as previous transmission PUSCH; Wherein, the described component carrier sending PUSCH carries simultaneously the power climbing space of one or more component carrier group.

The measurement mechanism of 12. 1 kinds of power climbing spaces, it is characterized in that, this device comprises at subframe i, when component carrier group j sending uplink physical channel, at subframe i, component carrier group j measures the unit of power climbing space, described uplink physical channel is Physical Uplink Shared Channel (PUSCH) and/or Physical Uplink Control Channel (PUCCH), comprises one or more component carrier in described component carrier group j;

Described device comprises, for at subframe i, when component carrier group j sending PUSCH or PUCCH, by on component carrier group j configuration maximum transmission power and estimation at subframe i, the difference of transmitting power of PUSCH or PUCCH that component carrier group j sends as this device at subframe i, the unit of the power climbing space of measurement component carrier group j on;

Described device comprises, for at subframe i, when multiple component carriers in component carrier group j send PUCCH or PUSCH, described device estimate at subframe i, the transmitting power of PUCCH or PUSCH that component carrier group j sends is the unit of the transmitting power sum of PUCCH or PUSCH sent on the plurality of component carrier of estimation.

13. devices as claimed in claim 12, it is characterized in that, this device comprises, for at subframe i, when arbitrary component carrier in component carrier group j sends multiple PUCCH, to this component carrier, estimate the transmitting power of each PUCCH that this component carrier sends, the unit of the transmitting power of the PUCCH sent on this component carrier transmitting power sum of each PUCCH that this component carrier sends estimated as device.

14. devices as claimed in claim 12, it is characterized in that, described device comprises, for at subframe i, when component carrier group j sending PUSCH and PUCCH, at subframe i simultaneously, the power climbing space that component carrier group j measures is the unit of PH (i, j)

PH(i,j)＝P _CMAX(j)-P′ _PUCCH(i,j)-P′ _PUSCH(i,j)

Or be PH _pUCCH(i, j) and PH _pUSCH(i, j):

PH _PUCCH(i,j)＝P _CMAX(j)-P′ _PUCCH(i,j)

PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUCCH(i, j)-P ' _pUSCH(i, j) or PH _pUSCH(i, j)=P _cMAX(j)-P ' _pUSCH(i, j)

Wherein, P ' _pUSCH(i, j) for described device estimate at subframe i, the transmitting power of the PUSCH on component carrier group j, P ' _pUCCH(i, j) for described device estimate at subframe i, the transmitting power of the PUCCH on component carrier group j, P _cMAXj maximum transmission power that () configures on component carrier group j for described device.

The reporting device of 15. 1 kinds of power climbing spaces, it is characterized in that, this device comprises, after measuring power climbing space for adopting the arbitrary described method of claim 1 to 6, report described power climbing space to the unit of base station, the component carrier belonging to power climbing space that also instruction of above giving the correct time reports or component carrier group.

16. devices as claimed in claim 15, it is characterized in that, described device comprises, for being reported the unit of described power climbing space by power climbing space media access control layer control unit, in described power climbing space media access control layer control unit, the absolute indices of component carrier or component carrier group or relative indexing is used to indicate the component carrier belonging to power climbing space or component carrier group that report.

17. devices as claimed in claim 16, it is characterized in that, described device comprises, for the component carrier belonging to the power climbing space that uses the highest M position of described power climbing space media access control layer control unit to indicate to report or the absolute indices of component carrier group or the unit of relative indexing.

18. devices as claimed in claim 15, is characterized in that,

Described device comprises, for reporting the unit of power climbing space on its resident component carrier; Or, the component carrier as previous transmission PUSCH reports the unit of power climbing space; Wherein, the described component carrier sending PUSCH carries simultaneously the power climbing space of one or more component carrier group.