CN101715207A - 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 the power rising space, report method and terminal

Technical field

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

Background technology

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

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

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 _CMAXBe the maximum transmission power (the configured UE transmitted power) of UE configuration, P _CMAX=min{P _EMAX, P _UMAX, wherein, P _EMAXBe maximum allowable power (themaximum allowed power) by system configuration, P _UMAXBe by the definite maximum UE power (the maximum UE power) of UE power grade (the UE power class);

P ' _PUSCH(i)=10log ₁₀(M _PUSCH(i))+P _{O_PUSCH}(j)+α (j) PL+ Δ _TF(i)+and f (i) is open loop and the closed-loop power control instruction of UE according to the base station, path loss is estimated, and the transmitting power of the PUSCH of the number of resource blocks of the PUSCH that dispatches on subframe i estimation;

M _PUSCH(i) be the transmission bandwidth of PUSCH among the subframe i, and the usefulness Resource Block (Resource Block, number RB) is represented;

P _{O_PUSCH}(j) being an open loop power control parameter, is a sub-district specific (cell specific) amount P _{O_NOMINAL_PUSCH}(j) and specific (UE specific) amount P of UE _{O_UE_PUSCH}(j) and; Wherein, the PUSCH of the corresponding semi-continuous scheduling of j=0 (semi-persistent scheduled) transmission, the PUSCH transmission of the corresponding dynamic dispatching of j=1 (dynamic scheduled), the PUSCH transmission of the corresponding accidental access response scheduling of j=2;

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

PL estimates (the downlink pathlossestimate) at the descending path loss that the UE end is measured and calculated;

Δ _TF(i) be one with modulation coded system (Modulation Coding Scheme, MCS) relevant power bias;

F (i) is current PUSCH power control adjustment state.According to the configuration of higher level parameters, when being the accumulated value power control, f (i)=f (i-1)+δ _PUSCH(i-K _PUSCH), when being the absolute value power control, f (i)=δ _PUSCH(i-K _PUSCH).δ _PUSCHBe a closed loop correction value that UE is specific, be called emissive power control command (TPC command) again.

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

P _PUCCH(i)＝min{P _CMAX，P _{0_PUCCH}+PL+h(n _CQI，n _HARQ)+Δ _{F_PUCCH}(F)+g(i)}[dBm]

Wherein,

P _CMAXDefinition the same;

P ' _PUCCH(i)=P _{0_PUCCH}+ PL+h (n _CQI, n _HARQ)+Δ _{F_PUCCH}(F)+and g (i) is open loop and the closed-loop power control instruction of UE according to the base station, path loss is estimated, and the transmitting power of the PUCCH of the PUCCH form of dispatching on subframe i estimation;

P _{O_PUCCH}Being an open loop power control parameter, is an amount P that the sub-district is specific _{O_NOMINAL_PUCCH}With an amount P that UE is specific _{O_UE_PUCCH}And;

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

H (n) is a value based on PUCCH form F, wherein n _CQIBe the information bit of CQI, n _HARQBit number for HARQ;

G (i) is current PUCCH power control adjustment state,

δ _PUCCHBe a closed loop correction value that UE is specific, be called emissive power control command (TPCcommand) again.

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

Can know whether power limited of each UE for making the base station, to the suitable emissive power control command of UE indication, to UE scheduling suitable modulation coding mode and bandwidth, UE need measure oneself the power rising space (Power Headroom, PH) and report the base station.In the LTE system, the power rising 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]

Be transmitting power poor of maximum transmission power and the PUSCH of UE estimation of UE configuration.The power rising space that calculating measures is [40;-23] quantizing in the dB scope, is that precision is got immediate integer value with 1dB, and quantitative relationship is as shown in table 1, passes to high level by physical layer then.

The power rising space after media access control layer (Media Access Control Layer abbreviates the MAC layer as) is represented to round with the 6bits index, mapping relations are as shown in table 1, and the 6bits index still is called the power rising space.

The power rising space report that (Power Headroom Report is PHR) by Event triggered (event-triggered).When UE has new uplink in current subframe, and there is the Event triggered power rising space to report, and when the channel resource that the base station is distributed for the uplink of this UE was enough to hold power rising space MAC layer control unit (Power HeadroomMAC Control Element) according to certain priority of logical channels, UE reported the base station by power rising space MAC layer control unit with the 6bits power rising space.

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

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

The quantification of the table 1 power rising space and report mapping

??PH	??Power?Headroom?Level	??Measured?quantity?value??(dB)
			??0	??POWER_HEADROOM_0	??-23≤PH＜-22
??1	??POWER_HEADROOM_1	??-22≤PH＜-21
			??2	??POWER_HEADROOM_2	??-21≤PH＜-20
??3	??POWER_HEADROOM_3	??-20≤PH＜-19
			??4	??POWER_HEADROOM_4	??-19≤PH＜-18
??5	??POWER_HEADROOM_5	??-18≤PH＜-17
			??...	??...	??...
??57	??POWER_HEADROOM_57	??34≤PH＜35
			??58	??POWER_HEADROOM_58	??35≤PH＜36
??59	??POWER_HEADROOM_59	??36≤PH＜37
			??60	??POWER_HEADROOM_60	??37≤PH＜38
??61	??POWER_HEADROOM_61	??38≤PH＜39
			??62	??POWER_HEADROOM_62	??39≤PH＜40
??63	??POWER_HEADROOM_63	??PH≥40

LTE-Advanced system (being called for short the LTE-A system) is the evolution system of future generation of LTE system.

As shown in Figure 2, the 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).A plurality of component carriers can be continuous, also can be discontinuous, can be positioned at same frequency range (operatingband), also can be positioned at different frequency range.

In the LTE-A system, user terminal can send PUSCH on (up) component carrier, also can send PUSCH simultaneously on a plurality of (up) component carrier; Can on (up) component carrier, send PUCCH, also can on a plurality of (up) component carrier, send PUCCH simultaneously, can also on the one-component carrier wave, send a plurality of PUCCH channels.

In addition, in to the research of LTE-A system physical ascending control channel PUCCH, also propose, on one or more (up) component carrier, send PUSCH and PUCCH simultaneously.

Therefore, in the LTE-A system, how to measure the power rising space, become a problem demanding prompt solution.

In addition, in the LTE-A system, how user terminal reports the power rising space, does not particularly dispatch PUSCH on certain (up) component carrier or the PUSCH of scheduling can't support to give the correct time on the power rising space, how in time to report, also become a problem demanding prompt solution.

Summary of the invention

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

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

Further, said method also can have following characteristics, described user terminal is at subframe i, component carrier group j goes up when sending PUSCH or PUCCH, the maximum transmission power that described user terminal is gone up component carrier group j configuration and user terminal estimation at subframe i, at subframe i, component carrier group j goes up the power rising space of measuring to the difference of PUSCH that component carrier group j upward sends or the transmitting power of PUCCH as this user terminal.

Further, said method also can have following characteristics, user terminal is at subframe i, when sending PUCCH or PUSCH on a plurality of component carriers in the component carrier group j, described user terminal estimate at subframe i, the transmitting power that component carrier group j goes up the PUCCH that sends or PUSCH is the PUCCH that sends on these a plurality of component carriers that estimates of user terminal or the transmitting power sum of PUSCH.

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

Further, said method also can have following characteristics, and user terminal is at subframe i, and when sending PUSCH and PUCCH simultaneously on the component carrier group j, this user terminal is at subframe i, component carrier group j go up the power rising space of measuring be PH (i, j):

PH(i，j)＝P _CMAX(j)-P′P _UCCH(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′P _UCCH(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) be described user terminal estimate at subframe i, the transmitting power of the PUSCH on the component carrier group j, P ' P _UCCH(i, j) be described user terminal estimate at subframe i, the transmitting power of the PUCCH on the component carrier group j, P _CMAX(j) maximum transmission power that on component carrier group j, disposes for described user terminal.

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

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

Further, said method also can have following characteristics, and described component carrier group j comprises all use same power amplifier at described user terminal component carrier; Perhaps, 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 the power rising space, behind the user terminal measurement power rising space, reports the described power rising space to give the base station, on affiliated component carrier or the component carrier group of the power rising space that also indication reported of giving the correct time.

Further, said method also can have following characteristics, described user terminal reports the described power rising space by power rising space media access control layer control unit, in described power rising space media access control layer control unit, use the absolute indices of component carrier or component carrier group or affiliated component carrier or the component carrier group of the power rising space that the relative indexing indication is reported.

Further, said method also can have following characteristics, the component carrier that the power rising space that described user terminal uses the highest M position indication of described power rising space matter MAC layer control unit to be reported is affiliated or the absolute indices or the relative indexing of component carrier group.

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

Perhaps, if carry the component carrier of the current power rising 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.

Perhaps, if the absolute indices of the component carrier group under the resident component carrier of described user terminal or the 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 the power rising space on its resident component carrier;

Perhaps, user terminal reports the power rising space on the component carrier of previous transmission PUSCH; Wherein, carried the power rising space of one or more component carrier groups on the component carrier of described transmission PUSCH simultaneously.

The present invention also provides a kind of terminal, this terminal is used at subframe i, component carrier group j goes up when sending uplink physical channel, at subframe i, component carrier group j goes up and measures the power rising 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, be used at subframe i, component carrier group j goes up when sending PUSCH or PUCCH, the maximum transmission power of component carrier group j being gone up configuration and estimation at subframe i, at subframe i, component carrier group j goes up the power rising space of measurement to the difference of transmitting power that component carrier group j goes up the PUSCH that sends or PUCCH as this terminal.

Further, above-mentioned terminal also can have following characteristics, described terminal, be used at subframe i, when sending PUCCH or PUSCH on a plurality of component carriers in the component carrier group j, PUCCH that sends on this a plurality of component carriers that this terminal is estimated or the transmitting power sum of PUSCH as described terminal estimate at subframe i, component carrier group j goes up the PUCCH of transmission or the transmitting power of PUSCH.

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

Further, above-mentioned terminal also can have following characteristics, and described terminal is used at subframe i, when sending PUSCH and PUCCH simultaneously on the component carrier group j, at subframe i, the power rising space that component carrier group j go up to measure be PH (i, j),

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

Perhaps 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) be described terminal estimate at subframe i, the transmitting power of the PUSCH on the component carrier group j, P ' _PUCCH(i, j) be described terminal estimate at subframe i, the transmitting power of the PUCCH on the component carrier group j, P _CMAX(j) maximum transmission power that on component carrier group j, disposes for described terminal.

The present invention also provides a kind of terminal, this terminal, be used to measure the power rising space after, report the described power rising space to give the base station, on affiliated component carrier or the component carrier group of the power rising space that also indication reported of giving the correct time.

Further, above-mentioned terminal also can have following characteristics, described terminal, be used for reporting the described power rising space by power rising space media access control layer control unit, in described power rising space media access control layer control unit, use the absolute indices of component carrier or component carrier group or affiliated component carrier or the component carrier group of the power rising space that the relative indexing indication is reported.

Further, above-mentioned terminal also can have following characteristics, described terminal is used to use the component carrier under the power rising space that the highest M position indication of described power rising space matter MAC layer control unit reported or the absolute indices or the relative indexing of component carrier group.

Further, above-mentioned terminal also can have following characteristics, and described terminal is used for reporting the power rising space on its resident component carrier; Perhaps, on the component carrier of previous transmission PUSCH, report the power rising space; Wherein, carried the power rising space of one or more component carrier groups on the component carrier of described transmission PUSCH simultaneously.

The method of measurement of the power rising space that the present invention proposes has solved the measurement of the power rising space in the LTE-A system that adopts carrier aggregation, the report method of the power rising space that the present invention proposes has solved the problem that reports of the power rising space in the LTE-A system that adopts carrier aggregation, the power rising space on certain component carrier group can report on the component carrier of other component carrier groups, the power rising space on certain component carrier can report on other component carriers, has improved the promptness that the power rising space reports.

Description of drawings

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

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

Fig. 2 is a LTE-A system carrier aggregation schematic diagram.

Embodiment

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

User terminal is at subframe i, and component carrier group j goes up when sending PUSCH and/or PUCCH, and this user terminal is at subframe i, component carrier group j go up measure power rising space PH (i j), comprises following several situation:

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

User terminal is at subframe i, and component carrier group j goes up when sending PUSCH, and this user terminal is at subframe i, component carrier group j go up measure power rising space PH (i, j).

User terminal is at subframe i, and component carrier group j goes up and sends PUSCH, is meant on subframe i, sends PUSCH on one or more component carriers of described user terminal in component carrier group j.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the component carrier group j is P ' _PUSCH(i, j), and the maximum transmission power that described user terminal disposes on component carrier group j is P _CMAX(j), then the power rising space of this user terminal on subframe i is

PH(i，j)＝P _CMAX(j)-P′ _PUSCH(i，j)[dB]

The transmitting power of the PUSCH that on component carrier group j, sends that to be described user terminal estimate at the maximum transmission power that disposes on the component carrier group j and user terminal poor.

Wherein, P ' _PUSCH(i is open loop and the closed-loop power control instruction of user terminal according to the base station j), and path loss is estimated, and at subframe i, component carrier group j goes up the transmitting power of the PUSCH of estimations such as the number of resource blocks of the PUSCH that dispatches.

Especially, to sending PUSCH, P ' on a plurality of component carriers of user terminal in component carrier group j _PUSCH(i j) is the transmitting power sum of the PUSCH on a plurality of component carriers of estimating of user terminal.If the transmitting power of the PUSCH that estimates on each component carrier in the component carrier group j is P ' _PUSCH(i, k), wherein k ∈ K is the numbering of each component carrier in the component carrier group j, then

$P_{\mathrm{PUSCH}}^{\′}(i,j)=\underset{k\∈K}{\mathrm{\Σ}}{P}_{\mathrm{PUSCH}}^{\′}(i,k)$

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

Certain user terminal is at subframe i, and component carrier group j goes up and sends PUCCH, and user terminal is at subframe i, component carrier group j go up measure power rising space PH (i, j).

User terminal is at subframe i, component carrier group j goes up and sends PUCCH, be meant on subframe i, send PUCCH on one or more component carriers of described user terminal in component carrier group j, comprise sending a plurality of PUCCH channels on one or more component carriers of user terminal in component carrier group j.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUCCH on the component carrier group j is P ' _PUCCH(i, j), and the maximum transmission power that described user terminal disposes on component carrier group j is P _CMAX(j), then the power rising space of this user terminal on subframe i is

PH(i，j)＝P _CMAX(j)-P′ _PUCCH(i，j)[dB]

Be the maximum transmission power that on component carrier group j, disposes of described user terminal and user terminal estimate at subframe i, component carrier group j goes up transmitting power poor of the PUCCH that sends.

Wherein, P ' _PUCCH(i is open loop and the closed-loop power control instruction of user terminal according to the base station j), and path loss is estimated, and at subframe i, component carrier group j goes up the transmitting power of the PUCCH of estimations such as the PUCCH form of scheduling, the resource size that takies.

Especially, to sending PUCCH on a plurality of component carriers of user terminal in component carrier group j, and/or send a plurality of PUCCH channels, P ' on the one or more component carriers in component carrier group j _PUCCH(i j) is the transmitting power sum of each PUCCH of user terminal estimation.

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

$P_{\mathrm{PUCCH}}^{\′}(i,j)=\underset{k\∈K}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k)$

If it is P ' that component carrier k goes up the transmitting power of the PUCCH that estimates _PUCCH(i k), sends a plurality of PUCCH channels on component carrier k, each PUCCH channel transmitting power of estimation is P ' _PUCCH(c), wherein c ∈ C is the numbering of last each PUCCH of component carrier k, then for i, k

$P_{\mathrm{PUCCH}}^{\′}(i,k)=\underset{c\∈C}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k,c)$

Be that user terminal is at subframe i, when sending a plurality of PUCCH on the arbitrary component carrier in the component carrier group j, to this component carrier, described user terminal is estimated the transmitting power of each PUCCH of sending on this component carrier, the transmitting power of the uplink physical channel that sends on this component carrier that the transmitting power sum of each PUCCH of sending on this component carrier is estimated as user terminal.

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

Suppose certain user terminal at subframe i, send PUSCH and PUCCH simultaneously on the component carrier group j, user terminal is at subframe i, and component carrier group j goes up and measures the power rising space.

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

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the 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 disposes on component carrier group j is P _CMAX(j), then the power rising space of this user terminal on subframe i be PH (i, j):

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

Perhaps 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]

Perhaps 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]

PUSCH that on component carrier group j, sends that to be described user terminal estimate at the maximum transmission power that disposes on the component carrier group j and user terminal and/or the transmitting power of PUCCH poor.

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

Especially, to sending PUSCH, P ' on a plurality of component carriers of user terminal in component carrier group j _PUSCH(i j) is the transmitting power sum of the PUSCH on a plurality of component carriers of estimating of user terminal.If the transmitting power of the PUSCH that estimates on each component carrier in the component carrier group j is P ' _PUSCH(i, k), wherein k ∈ K is the numbering of each component carrier in the component carrier group j, then

$P_{\mathrm{PUSCH}}^{\′}(i,j)=\underset{k\∈K}{\mathrm{\Σ}}{P}_{\mathrm{PUSCH}}^{\′}(i,k)$

P ' _PUCCH(i j) is open loop and the closed-loop power control instruction of user terminal according to the base station, and path loss is estimated, and at subframe i, component carrier group j goes up the transmitting power of the PUCCH of the PUCCH form of dispatching, the resource size that takies estimation.

Especially, to sending PUCCH on a plurality of component carriers of user terminal in component carrier group j, and/or send a plurality of PUCCH channels, P ' on the one or more component carriers in component carrier group j _PUCCH(i j) is the transmitting power sum of each PUCCH of user terminal estimation.

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

$P_{\mathrm{PUCCH}}^{\′}(i,j)=\underset{k\∈K}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k)$

If it is P ' that component carrier k goes up the transmitting power of the PUCCH that estimates _PUCCH(i k), sends a plurality of PUCCH channels on component carrier k, each PUCCH channel transmitting power of estimation is P ' _PUCCH(c), wherein c ∈ C is the numbering of last each PUCCH of component carrier k, then for i, k

$P_{\mathrm{PUCCH}}^{\′}(i,k)=\underset{c\∈C}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k,c)$

Described component carrier group j is meant the group component carrier wave that one or more component carriers are formed, and these component carriers can be used for sending upward signal.

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

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

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

P _CMAX(j) be the maximum transmission power that user terminal disposes on component carrier group j.

The maximum transmission power P that user terminal disposes on component carrier group j _CMAX(j) be subject to the maximum allowable power P that system disposes on component carrier group j _EMAX(j), P _CMAX(j)≤P _EMAXAnd/or the maximum allowable power that in component carrier group j, disposes on each component carrier of system (j).If the maximum allowable power that system disposes on each component carrier in component carrier group j is P _EMAX(k), wherein k ∈ K is the numbering of each component carrier in the component carrier group j, then

$P_{\mathrm{CMAX}}\left(j\right)\≤\underset{k\∈K}{\mathrm{\Σ}}{P}_{\mathrm{EMAX}}\left(k\right)$

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 disposes on each component carrier group is smaller or equal to the total maximum transmission power of user terminal, promptly

$\underset{j}{\mathrm{\Σ}}{P}_{\mathrm{CMAX}}\left(j\right)\≤P_{\mathrm{UMAX}}$

Perhaps,

The maximum transmission power P that user terminal disposes on component carrier group j _CMAX(j) be subject to the maximum transmission power P that described component carrier group j is supported at the shared power amplifier PA of described user terminal _PA(j), promptly

P _CMAX(j)≤P _PA(j)

Perhaps, the maximum transmission power P that on component carrier group j, disposes of user terminal _CMAX(j) be subject to above-mentioned Several Parameters

P _CMAX(j)＝min{P _EMAX(j)，P _PA(j)}

And/or

$P_{\mathrm{CMAX}}\left(j\right)=\min \{\underset{k\∈j}{\mathrm{\Σ}}{P}_{\mathrm{EMAX}}\left(k\right),P_{\mathrm{PA}}\left(j\right)\}$

And

$\underset{j}{\mathrm{\Σ}}{P}_{\mathrm{CMAX}}\left(j\right)\≤P_{\mathrm{UMAX}}$

User terminal is when reporting the power rising space to the base station, and the power rising space that indication is reported is the power rising space on which component carrier group.Wherein, user terminal reports the described power rising space by power rising space MAC layer control unit.

User terminal reports the power rising space on its resident component carrier; Perhaps, user terminal reports the power rising space on the component carrier of previous transmission PUSCH.The component carrier of described transmission PUSCH has carried the power rising space of one or more component carrier groups simultaneously.

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

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

Further, if described user terminal disposes N component carrier group, perhaps the base station is dispatched described user terminal constantly at this and send upward signal on N component carrier group, the absolute indices n of each component carrier group is 0 by frequency increments or sort descending, 1 ..., N-1.

Perhaps,

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

Further, be n if carry the absolute indices of the affiliated component carrier group of the component carrier of the current power rising space MAC layer control unit that reports 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;

Perhaps, if the absolute indices of the component carrier group under 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.

Several special cases with the component carrier number that comprises in the component carrier group describe below.

Special case 1

When described each component carrier group all only comprised the one-component carrier wave, user terminal was measured the power rising space on the component carrier that each component carrier group comprises.

A) user terminal is at subframe i, and component carrier k goes up when sending PUSCH, and this user terminal is at subframe i, component carrier k go up measure power rising space PH (i, k).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the component carrier k is P ' _PUSCH(i, k), and the maximum transmission power that described user terminal disposes on component carrier k is P _CMAX(k), then this user terminal is at subframe i, and the power rising space on the component carrier k is

PH(i，k)＝P _CMAX(k)-P′ _PUSCH(i，k)[dB]

Be transmitting power poor of the PUSCH that on component carrier k, sends that described user terminal estimates at the maximum transmission power that disposes on the component carrier k and user terminal.

Wherein, P ' _PUSCH(i is open loop and the closed-loop power control instruction of user terminal according to the base station k), and path loss is estimated, and at subframe i, component carrier k goes up the transmitting power of the PUSCH of estimations such as the number of resource blocks of the PUSCH that dispatches.

B) suppose certain user terminal at subframe i, component carrier k go up to send PUCCH, and user terminal is at subframe i, component carrier k go up measure power rising space PH (i, k).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUCCH on the component carrier k is P ' _PUCCH(i, k), and the maximum transmission power that described user terminal disposes on component carrier k is P _CMAX(k), then this user terminal is at subframe i, and the power rising space on the component carrier k is

PH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)[dB]

Be transmitting power poor of the PUCCH that on component carrier k, sends that described user terminal estimates at the maximum transmission power that disposes on the component carrier k and user terminal.

Wherein, P ' _PUCCH(i is open loop and the closed-loop power control instruction of user terminal according to the base station k), and path loss is estimated, and at subframe i, component carrier k goes up the transmitting power of the PUCCH of estimations such as the PUCCH form of scheduling, the resource size that takies.

If send a plurality of PUCCH channels on component carrier k, each PUCCH channel transmitting power that user terminal is estimated is P ' _PUCCH(c), wherein c ∈ C is the numbering of last each PUCCH of component carrier k, then for i, k

$P_{\mathrm{PUCCH}}^{\′}(i,k)=\underset{c\∈C}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k,c)$

C) suppose certain user terminal at subframe i, send PUSCH and PUCCH on the component carrier k simultaneously, user terminal is at subframe i, and component carrier k goes up and measures the power rising space.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the 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 disposes on component carrier k is P _CMAX(k), then this user terminal is at subframe i, and the power rising space on the 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 PUSCH that on component carrier k, sends simultaneously that to be described user terminal estimate at the maximum transmission power that disposes on the component carrier k and user terminal and/ OrThe transmitting power of PUCCH poor.

Wherein, P ' _PUSCH(i is open loop and the closed-loop power control instruction of user terminal according to the base station k), and path loss is estimated, and at subframe i, component carrier k goes up the transmitting power of the PUSCH of estimations such as the number of resource blocks of the PUSCH that dispatches.

P ' _PUCCH(i is open loop and the closed-loop power control instruction of user terminal according to the base station k), and path loss is estimated, and at subframe i, component carrier k goes up the transmitting power of the PUCCH of estimations such as the PUCCH form of scheduling, the resource size that takies.

If send a plurality of PUCCH channels on component carrier k, each PUCCH channel transmitting power that user terminal is estimated is P ' _PUCCH(c), wherein c ∈ C is the numbering of last each PUCCH of component carrier k, then for i, k

$P_{\mathrm{PUCCH}}^{\′}(i,k)=\underset{c\∈C}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k,c)$

Especially, P _CMAX(k) be the maximum transmission power that user terminal disposes on component carrier k.

The maximum transmission power P that user terminal disposes on component carrier k _CMAX(k) be subject to the maximum allowable power that system disposes on component carrier k.If the maximum allowable power that system disposes 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 disposes on each component carrier is smaller or equal to the total maximum transmission power of user terminal, promptly

$\underset{k}{\mathrm{\Σ}}{P}_{\mathrm{CMAX}}\left(k\right)\≤P_{\mathrm{UMAX}}$

Perhaps, the maximum transmission power P that on component carrier k, disposes of user terminal _CMAX(k) be subject to the maximum transmission power that described component carrier k is supported at the power amplifier PA of described user terminal use.If this component carrier uses a power amplifier PA separately 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 is at described user terminal and power amplifier PA of the common use of other component carrier, the maximum transmission power of this power amplifier support is P _PA(j), then

$\underset{k}{\mathrm{\Σ}}{P}_{\mathrm{CMAX}}\left(k\right)\≤P_{\mathrm{PA}}\left(j\right)$

Perhaps, the maximum transmission power P that on component carrier k, disposes of family terminal _CMAX(k) be subject to above-mentioned both, such as

P _CMAX(k)＝min{P _EMAX(k)，P _PA(k)}

And

$\underset{k}{\mathrm{\Σ}}{P}_{\mathrm{CMAX}}\left(k\right)\≤P_{\mathrm{UMAX}}$

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

Further, user terminal when reporting the power rising space to the base station, in power rising space MAC layer control unit, the absolute indices or the relative indexing of the component carrier under the power rising space that reported of indication.

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

Further, if system carrier aggregation N (up) component carrier, or current system give described scheduling of user terminals N (up) component carrier be used to send upward signal, the absolute indices of N (up) component carrier is pressed the ordering of component carrier centre frequency increasing or decreasing and is n=0,1, ..., N-1;

Perhaps, be n if carry the absolute indices of the component carrier of the current power rising space MAC layer control unit that reports 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.

Perhaps, 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 the power rising space on its resident component carrier;

Perhaps, user terminal reports the power rising space on the component carrier of previous transmission PUSCH.

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

Special case 2

When described component carrier group comprises whole component carrier that described user terminal can support, user terminal is measured the power rising space on the whole component carriers that can support, promptly user terminal is measured the power rising space on the component carrier of current all transmission upward signals.

A) suppose that certain user terminal sends PUSCH on subframe i, user terminal is measured power rising space PH (i) on subframe i.

User terminal sends PUSCH on subframe i, be meant that on subframe i, described user terminal sends PUSCH on one or more component carriers.

The transmitting power of supposing the PUSCH on subframe i that described user terminal is estimated is P ' _PUSCHAnd the maximum transmission power of described user terminal configuration is P (i), _CMAX, then the power rising space of this user terminal on subframe i is

PH(i)＝P _CMAX-P′ _PUSCH(i)[dB]

Be transmitting power poor of maximum transmission power and the PUSCH of user terminal estimation of the configuration of described user terminal.

Wherein, P ' _PUSCH(i) be user terminal according to the open loop and the closed-loop power control instruction of base station, path loss estimates, and the transmitting power of the PUSCH that estimates such as the number of resource blocks of the PUSCH that dispatches on subframe i.

Especially, user terminal is sent PUSCH on a plurality of component carriers, P ' _PUSCH(i) be the transmitting power sum of the PUSCH on a plurality of component carriers of estimating of user terminal.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

$P_{\mathrm{PUSCH}}^{\′}\left(i\right)=\underset{k}{\mathrm{\Σ}}{P}_{\mathrm{PUSCH}}^{\′}(i,k)$

B) suppose that certain user terminal sends PUCCH on subframe i, user terminal is measured power rising space PH (i) on subframe i.

User terminal sends PUCCH on subframe i, be meant that on subframe i, described user terminal sends PUCCH on one or more component carriers, comprises that user terminal sends a plurality of PUCCH channels on one or more component carriers.

The transmitting power of supposing the PUCCH on subframe i that described user terminal is estimated is P ' _PUCCHAnd the maximum transmission power of described user terminal configuration is P (i), _CMAX, then the power rising space of this user terminal on subframe i is

PH(i)＝P _CMAX-P′ _PUCCH(i)[dB]

Be transmitting power poor of maximum transmission power and the PUCCH of user terminal estimation of the configuration of described user terminal.

Wherein, P ' _PUCCH(i) be user terminal according to the open loop and the closed-loop power control instruction of base station, path loss estimates, and the transmitting power of the PUCCH that estimates such as the PUCCH form of dispatching on subframe i, the resource size that takies.

Especially, user terminal is sent PUCCH on a plurality of component carriers, and/or on one or more component carriers, send a plurality of PUCCH channels, P ' _PUCCH(i) be the transmitting power sum of each PUCCH of user terminal estimation.

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

$P_{\mathrm{PUCCH}}^{\′}\left(i\right)=\underset{k}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k)$

If it is P ' that component carrier k goes up the transmitting power of the PUCCH that estimates _PUCCH(i k), sends a plurality of PUCCH channels on component carrier k, each PUCCH channel transmitting power of estimation is P ' _PUCCH(c), wherein c ∈ C is the numbering of last each PUCCH of component carrier k, then for i, k

$P_{\mathrm{PUCCH}}^{\′}(i,k)=\underset{c\∈C}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k,c)$

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

User terminal sends PUSCH and PUCCH simultaneously on subframe i, be meant on subframe i, described user terminal sends PUSCH on one or more component carriers, and send PUCCH on one or more component carriers, comprise in following several situation one or more: (1) described user terminal sends PUSCH and PUCCH simultaneously on one or more component carriers; (2) described user terminal sends PUSCH on one or more component carriers, sends PUCCH on another or a plurality of component carrier; 3) user terminal sends PUCCH on one or more component carriers, is included in and sends a plurality of PUCCH channels on one or more component carriers.

The transmitting power of supposing the PUSCH on subframe i that described user terminal is estimated is P ' _PUSCH(i), the transmitting power of the PUCCH of estimation is P ' _PUCCHAnd the maximum transmission power of described user terminal configuration is P (i), _CMAX, then the power rising 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]

Be transmitting power poor of the PUSCH of maximum transmission power and user terminal estimation of described user terminal configuration and/or PUCCH.

Wherein, P ' _PUSCH(i) be user terminal according to the open loop and the closed-loop power control instruction of base station, path loss estimates, and the transmitting power of the PUSCH that estimates such as the number of resource blocks of the PUSCH that dispatches on subframe i.

Especially, user terminal is sent PUSCH on a plurality of component carriers, P ' _PUSCH(i) be the transmitting power sum of the PUSCH on a plurality of component carriers of estimating of user terminal.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

$P_{\mathrm{PUSCH}}^{\′}\left(i\right)=\underset{k}{\mathrm{\Σ}}{P}_{\mathrm{PUSCH}}^{\′}(i,k)$

P ' _PUCCH(i) be user terminal according to the open loop and the closed-loop power control instruction of base station, path loss estimates, and the transmitting power of the PUCCH that estimates such as the PUCCH form of dispatching on subframe i, the resource size that takies.

Especially, user terminal is sent PUCCH on a plurality of component carriers, and/or on one or more component carriers, send a plurality of PUCCH channels, P ' _PUCCH(i) be the transmitting power sum of each PUCCH of user terminal estimation.

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

$P_{\mathrm{PUCCH}}^{\′}\left(i\right)=\underset{k}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k)$

If it is P ' that component carrier k goes up the transmitting power of the PUCCH that estimates _PUCCH(i k), sends a plurality of PUCCH channels on component carrier k, each PUCCH channel transmitting power of estimation is P ' _PUCCH(c), wherein c ∈ C is the numbering of last each PUCCH of component carrier k, then for i, k

$P_{\mathrm{PUCCH}}^{\′}(i,k)=\underset{c\∈C}{\mathrm{\Σ}}{P}_{\mathrm{PUCCH}}^{\′}(i,k,c)$

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 subject to gives the maximum allowable power P of described user terminal configuration _EMAX, promptly

P _CMAX≤P _EMAX

The maximum transmission power P of user terminal configuration _CMAXBe subject to the total maximum transmission power of user terminal.If according to the power grade of user terminal, the configuration of power amplifier PA etc., the total maximum transmission power of user terminal is P _UMAX, then

P _CMAX≤P _UMAX

Perhaps, the maximum transmission power P of user terminal configuration _CMAXBe subject to above-mentioned both:

P _CMAX＝min{P _EMAX，P _UMAX}

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

User terminal reports the power rising space on its resident component carrier; Perhaps, user terminal reports the power rising space on the component carrier of previous transmission PUSCH.

The component carrier of described transmission PUSCH may carry one or more power rising spaces simultaneously.

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

Wherein, described terminal, be used at subframe i, component carrier group j goes up when sending PUSCH or PUCCH, with component carrier group j go up the maximum transmission power of configuration and estimation at subframe i, at subframe i, component carrier group j goes up the power rising space of measuring to the difference of PUSCH that component carrier group j upward sends or the transmitting power of PUCCH as this terminal.

Wherein, described terminal, be used at subframe i, when sending PUCCH or PUSCH on a plurality of component carriers in the component carrier group j, PUCCH that sends on this a plurality of component carriers that this terminal is estimated or the transmitting power sum of PUSCH as described terminal estimate at subframe i, component carrier group j goes up the PUCCH of transmission or the transmitting power of PUSCH.

Wherein, described terminal, be used at subframe i, when sending a plurality of PUCCH on the arbitrary component carrier in the component carrier group j, to this component carrier, estimate the transmitting power of each PUCCH of sending on this component carrier, the transmitting power of the PUCCH that on this component carrier, sends that the transmitting power sum of each PUCCH of sending on this component carrier is estimated as terminal.

Wherein, described terminal is used at subframe i, when sending PUSCH and PUCCH simultaneously on the component carrier group j, at subframe i, the power rising space that component carrier group j go up to measure be PH (i, j),

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

Perhaps 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) be described terminal estimate at subframe i, the transmitting power of the PUSCH on the component carrier group j, P ' _PUCCH(i, j) be described terminal estimate at subframe i, the transmitting power of the PUCCH on the component carrier group j, P _CMAX(j) maximum transmission power that on component carrier group j, disposes for described terminal.

The present invention also provides a kind of terminal, described terminal, after being used for measuring the power rising space, report the described power rising space to give the base station according to the method for the invention, on affiliated component carrier or the component carrier group of the power rising space that also indication reported of giving the correct time.

Wherein, described terminal, be used for reporting the described power rising space by power rising space media access control layer control unit, in described power rising space media access control layer control unit, use the absolute indices of component carrier or component carrier group or affiliated component carrier or the component carrier group of the power rising space that the relative indexing indication is reported.

Wherein, described terminal is used to use the component carrier under the power rising space that the highest M position indication of described power rising space matter MAC layer control unit reported or the absolute indices or the relative indexing of component carrier group.

Wherein, described terminal is used for reporting the power rising space on its resident component carrier; Perhaps, on the component carrier of previous transmission PUSCH, report the power rising space; Wherein, carried the power rising space of one or more component carrier groups on the component carrier of described transmission PUSCH simultaneously.

Describe the present invention in detail below in conjunction with embodiment and accompanying drawing.

Embodiment one

Suppose a LTE-A system, (Frequency Division Duplex FDD) under the pattern, has two downlink component carrier D1 and D2 in the system, two upstream components carrier wave U1 and U2 to be operated in Frequency Division Duplexing (FDD).Wherein, U1 and D1 are positioned at same frequency range, and U2 and D2 are positioned at another frequency range.

Certain user terminal is supported in U1 and U2 goes up the transmission upward signal.

This user terminal is measured the power rising space respectively on component carrier U1 and U2.

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

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the component carrier U1 is P ' _PUSCH(i, 1), and the maximum transmission power that described user terminal disposes on component carrier U1 is P _CMAX(1), then this user terminal is at subframe i, and the power rising space on the component carrier U1 is

PH(i，1)＝P _CMAX(1)-P′ _PUSCH(i，1)[dB]

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

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the component carrier U2 is P ' _PUSCH(i, 2), and the maximum transmission power that described user terminal disposes on component carrier U2 is P _CMAX(2), then this user terminal is at subframe i, and the power rising space on the component carrier U2 is

PH(i，2)＝P _CMAX(2)-P′ _PUSCH(i，2)[dB]

Suppose certain user terminal at subframe i, send PUSCH and PUCCH on the component carrier U2 simultaneously, user terminal is at subframe i, and component carrier U2 goes up and measures power rising space PH (i, 2).

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the component carrier U2 is P ' _PUSCH(i, 2), the transmitting power of the PUCCH of estimation are P ' _PUCCH(i, 2), and the maximum transmission power that described user terminal disposes on component carrier U2 is P _CMAX(2), then this user terminal is at subframe i, and the power rising space on the 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 _CMAX(1) and P _CMAX(2) be the maximum transmission power that user terminal disposes respectively on component carrier U1 and U2, satisfy

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

P wherein _EMAX(1) and P _EMAX(2) be respectively the maximum allowable power that system disposes on component carrier U1 and U2; P _PA(1) and P _PA(2) be respectively the maximum transmission power that component carrier U1 and U2 are supported at the power amplifier PA of described user terminal use; P _UMAXBe the total maximum transmission power of user terminal.

This user terminal is when reporting the power rising space to the base station, and the power rising space that indication is reported is the power rising space on which component carrier.

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

Perhaps,

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

Perhaps,

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

Embodiment two

Suppose a LTE-A system, be operated under the fdd mode that four downlink component carrier D1 are arranged in the system, D2, D3 and D4, four upstream components carrier waves U1, U2, U3 and U4.Wherein, U1, U2, D1, D2 are positioned at same frequency range, and U3 and D3 are positioned at another frequency range, and U4 and D4 are positioned at the 3rd frequency range.

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

This user terminal is measured the power rising space on the component carrier group, promptly measure the power rising space on component carrier U1 and U2 together, measures the power rising space on component carrier U3 and U4 respectively.

Suppose certain user terminal at subframe i, component carrier U1 goes up and sends PUSCH, and user terminal is measured power rising space PH (i, 0) at subframe i on the component carrier group 0.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the component carrier U1 is P ' _PUSCH(i, 1), and the maximum transmission power that described user terminal disposes on component carrier group 0 is P _CMAX(0), then this user terminal is at subframe i, and the power rising space on the component carrier group 0 is

PH(i，0)＝P _CMAX(0)-P′ _PUSCH(i，1)[dB]

Suppose certain user terminal at subframe i, component carrier U1 and U2 go up and send PUSCH, and user terminal is measured power rising space PH (i, 0) at subframe i on the component carrier group 0.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the component carrier U1 is P ' _PUSCH(i, 1), the transmitting power of the PUSCH on the estimated components carrier wave U2 is P ' _PUSCH(i, 2), and the maximum transmission power that described user terminal disposes on component carrier group 0 is P _CMAX(0), then this user terminal is at subframe i, and the power rising space on the component carrier group 0 is

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

Suppose certain user terminal at subframe i, component carrier U2 goes up and sends PUCCH, and user terminal is measured power rising space PH (i, 0) at subframe i on the component carrier group 0.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUCCH on the component carrier U2 is P ' _PUCCH(i, 2), and the maximum transmission power that described user terminal disposes on component carrier group 0 is P _CMAX(0), then this user terminal is at subframe i, and the power rising space on the component carrier group 0 is

PH(i，0)＝P _CMAX(0)-P′ _PUCCH(i，2)[dB]

Suppose described user terminal at subframe i, component carrier U2 goes up and sends 2 PUCCH channels, and 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 certain user terminal at subframe i, component carrier U1 goes up and sends PUSCH, sends PUSCH and PUCCH on component carrier U2 simultaneously, and user terminal is measured power rising space PH (i, 0) at subframe i on the component carrier group 0.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the 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 disposes on component carrier group 0 is P _CMAX(0), then this user terminal is at subframe i, and the power rising space on the 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 certain user terminal at subframe i, component carrier U1 goes up and sends PUCCH, sends PUSCH and PUCCH on component carrier U2 simultaneously, and user terminal is measured power rising space PH (i, 0) at subframe i on the component carrier group 0.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUCCH on the 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 disposes on component carrier group 0 is P _CMAX(0), then this user terminal is at subframe i, and the power rising space on the 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 certain user terminal at subframe i, send PUSCH and PUCCH on the component carrier U1 simultaneously, send PUSCH and PUCCH simultaneously on component carrier U2, user terminal is measured power rising space PH (i, 0) at subframe i on the component carrier group 0.

Suppose that described user terminal estimates at subframe i, the transmitting power of the PUSCH on the 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 disposes on component carrier group 0 is P _CMAX(0), then this user terminal is at subframe i, and the power rising space on the 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, send PUSCH and/or PUCCH on component carrier U3 and the U4 respectively, user terminal is measured power rising space PH (i at subframe i respectively on component carrier group 1 (being component carrier U3) and the component carrier group 2 (being component carrier U4), 1) and PH (i, 2).

P _CMAX(0) is that user terminal is gone up the maximum transmission power of configuration in component carrier group 0 (comprising component carrier U1 and U2), satisfies

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

P wherein _EMAX(1) and P _EMAX(2) be respectively the maximum allowable power that system disposes on component carrier U1 and U2; P _PA(0) is the maximum transmission power that component carrier U1 and U2 are supported at the shared power amplifier PA of described user terminal.

P _CMAX(1) and P _CMAX(2) be respectively that user terminal is gone up the maximum transmission power of configuration in component carrier group 1 (component carrier U3) and component carrier group 2 (component carrier U4), satisfy

P _CMAX(1)＝min{P _EMAX(3)，P _PA(1)}

P _CMAX(2)＝min{P _EMAX(4)，P _PA(2)}

P wherein _EMAX(1) and P _EMAX(2) be respectively the maximum allowable power that system disposes on component carrier U3 and U4; P _PA(1) and P _PA(2) be respectively the maximum transmission power that component carrier U3 and U4 are supported at the power amplifier PA of described user terminal use.

And

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

P _UMAXBe the total maximum transmission power of user terminal.

This user terminal is when reporting the power rising space to the base station, and the power rising space that indication is reported is the power rising space on which component carrier group.

When this user terminal is gone up transmitted power rising space MAC layer control unit at component carrier U1 (or U2 or U3 or U4), when the base station reports the power rising space on component carrier group 0 and/or 1 and/or 2, the highest 2 in the described power rising 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).

Perhaps,

When this user terminal is gone up transmitted power rising space MAC layer control unit at component carrier U1 (or U2), when the base station reports the power rising space on component carrier group 0 and/or 1 and/or 2, the highest 2 in the described power rising 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 the base station reports the power rising space on component carrier group 0 and/or 1 and/or 2, the highest 2 in the described power rising 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 the base station reports the power rising space on component carrier group 0 and/or 1 and/or 2, the highest 2 in the described power rising 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).

Perhaps,

Suppose the resident component carrier of component carrier U2 for this user terminal, this user terminal is transmitted power rising space MAC layer control unit on component carrier U2, when the base station reports the power rising space on component carrier U1 and/or U2 and/or U3 and/or the U4, the highest 2 in the described power rising 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

Suppose a LTE-A system, be operated under the tdd mode that five component carrier C0, C1, C2, C3 and C4 are arranged in the system.Wherein, C0 and C1 are positioned at same frequency range, and C2 is positioned at another frequency range, and C3 and C4 are positioned at the 3rd frequency range.

Certain user terminal is supported in C0, C1, C2, C3, the last transmission of C4 upward signal.

This user terminal is at component carrier C0, C1, and C2, C3 measures the power rising space respectively on the C4.

Suppose certain user terminal at subframe i, component carrier C _kLast transmission PUSCH, user terminal be at subframe i, component carrier C _kLast measurement power rising 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 last configuration is P _CMAX(k), then this user terminal is at subframe i, component carrier C _kOn the power rising space be

PH(i，k)＝P _CMAX(k)-P′ _PUSCH(i，k)[dB]

Suppose certain user terminal at subframe i, component carrier C _kLast transmission PUCCH, user terminal be at subframe i, component carrier C _kLast measurement power rising 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 last configuration is P _CMAX(k), then this user terminal is at subframe i, component carrier C _kOn the power rising space be

PH(i，k)＝P _CMAX(k)-P′ _PUCCH(i，k)[dB]

Suppose described user terminal at subframe i, component carrier C _k3 PUCCH channels of last transmission, 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 certain user terminal at subframe i, component carrier C _kOn send PUSCH and PUCCH simultaneously, user terminal is at subframe i, component carrier C _kLast measurement power rising 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 last configuration is P _CMAX(k), then this user terminal is at subframe i, component carrier C _kOn the power rising 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 _CMAX(k) be that user terminal is at component carrier C _kThe maximum transmission power of last configuration satisfies

P _CMAX(k)≤P _EMAX(k)

And

$\underset{k=0}{\overset{4}{\mathrm{\Σ}}}{P}_{\mathrm{CMAX}}\left(k\right)\≤P_{\mathrm{UMAX}}$

Wherein, P _EMAX(k) be that system is at component carrier C _kThe maximum allowable power of last configuration; P _UMAXBe power grade, the maximum transmission power that user terminal is total according to user terminal.

And user terminal is at component carrier C _kThe maximum transmission power P of last configuration _CMAX(k) be subject to described component carrier C _kThe maximum transmission power that the power amplifier PA that uses at described user terminal is supported.Suppose component carrier C0 and C1 at the shared power amplifier PA0 of described user terminal, the maximum transmission power of support is P _PA(0); C2 uses a power amplifier PA1 separately, and the maximum transmission power of support is P _PA(1); Shared this power amplifier of the power amplifier PA2 of C3 and C4, 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 the power rising space to the base station, and the power rising space that indication is reported is the power rising space on which component carrier.

When this user terminal at component carrier C _K0Last transmitted power rising space MAC layer control unit reports component carrier C to the base station _kOn the power rising space time, the highest 3 or 2 in the described power rising 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

Suppose a LTE-A system, be operated under the tdd mode that five component carrier C0 are arranged in the system, C1, C2, C3 and C4 are positioned at same frequency range.

Certain user terminal is supported in C0, C1, C2, C3, the last transmission of C4 upward signal.

This user terminal is at component carrier C0, C1, and C2, C3 measures the power rising space together on the C4.

Suppose that certain user terminal sends PUSCH on subframe i, user terminal is measured power rising space PH (i) on subframe i.

Suppose described user terminal at subframe i, C0, C1, the last transmission of C2 PUSCH, 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 rising 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 is measured power rising space PH (i) on subframe i.

Suppose described user terminal at subframe i, C0, the last transmission of C2 PUCCH, 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 described user terminal at subframe i, component carrier C2 goes up and sends 2 PUCCH channels, and 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 rising space of this user terminal on subframe i is

PH(i)＝P _CMAX-P′ _PUCCH(i)[dB]

Suppose certain user terminal at subframe i, send PUSCH and PUCCH on C0 and the C3 simultaneously, user terminal is measured power rising space PH (i) on subframe i.

Suppose described user terminal at subframe i, C0, the last transmission of C3 PUSCH, 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 described user terminal at subframe i, C0, the last transmission of C3 PUCCH, 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 described user terminal at subframe i, component carrier C0 goes up and sends 2 PUCCH channels, and component carrier C3 goes up and sends 2 PUCCH channels, and 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 rising 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]

It is P that system gives the maximum allowable power of described user terminal configuration _EMAX, according to the power grade of user terminal, the configuration of power amplifier PA etc., the total maximum transmission power of user terminal is P _UMAX, then

P _CMAX＝min{P _EMAX，P _UMAX}

The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.

Claims (22)

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

2. the method for claim 1, it is characterized in that, described user terminal is at subframe i, component carrier group j goes up when sending PUSCH or PUCCH, the maximum transmission power that described user terminal is gone up component carrier group j configuration and user terminal estimation at subframe i, at subframe i, component carrier group j goes up the power rising space of measuring to the difference of PUSCH that component carrier group j upward sends or the transmitting power of PUCCH as this user terminal.

3. method as claimed in claim 2, it is characterized in that, user terminal is at subframe i, when sending PUCCH or PUSCH on a plurality of component carriers in the component carrier group j, described user terminal estimate at subframe i, the transmitting power that component carrier group j goes up the PUCCH that sends or PUSCH is the PUCCH that sends on these a plurality of component carriers that estimates of user terminal or the transmitting power sum of PUSCH.

4. as claim 2 or 3 described methods, it is characterized in that, user terminal is at subframe i, when sending a plurality of PUCCH on the arbitrary component carrier in the component carrier group j, to this component carrier, described user terminal is estimated the transmitting power of each PUCCH of sending on this component carrier, the transmitting power of the PUCCH that sends on this component carrier that the transmitting power sum of each PUCCH of sending on this component carrier is estimated as user terminal.

5. the method for claim 1 is characterized in that, user terminal is at subframe i, and when sending PUSCH and PUCCH simultaneously on the component carrier group j, this user terminal is at subframe i, component carrier group j go up the power rising space of measuring be PH (i, j):

PH(i，j)＝P _CMAX(j)-P′P _UCCH(i，j)-P′P _USCH(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) be described user terminal estimate at subframe i, the transmitting power of the PUSCH on the component carrier group j, P ' _PUCCH(i, j) be described user terminal estimate at subframe i, the transmitting power of the PUCCH on the component carrier group j, P _CMAX(j) maximum transmission power that on component carrier group j, disposes for described user terminal.

6. as claim 2 or 5 described methods, it is characterized in that described user terminal is not more than the maximum allowable power that system disposes at the maximum transmission power that disposes on the component carrier group j on component carrier group j; And/or described user terminal is not more than the maximum allowable power sum that system disposes on each component carrier at the maximum transmission power that disposes on the component carrier group j in component carrier group j; And/or described user terminal is not more than the total maximum transmission power of user terminal in the maximum transmission power sum that the maximum transmission power that disposes on the component carrier group j and user terminal dispose on other component carrier groups; And/or the maximum transmission power that user terminal disposes on component carrier group j is not more than the maximum transmission power that described component carrier group j supports at the shared power amplifier of described user terminal.

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

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

9. the report method of a power rising space, it is characterized in that, after user terminal adopts the arbitrary described method of claim 1 to 8 to measure the power rising space, report the described power rising space to give the base station, on affiliated component carrier or the component carrier group of the power rising space that also indication reported of giving the correct time.

10. method as claimed in claim 9, it is characterized in that, described user terminal reports the described power rising space by power rising space media access control layer control unit, in described power rising space media access control layer control unit, use the absolute indices of component carrier or component carrier group or affiliated component carrier or the component carrier group of the power rising space that the relative indexing indication is reported.

11. method as claimed in claim 9, it is characterized in that the component carrier that the power rising space that described user terminal uses the highest M position indication of described power rising space matter MAC layer control unit to be reported is affiliated or the absolute indices or the relative indexing of component carrier group.

12. as claim 10 or 11 described methods, it is characterized in that, if system carrier aggregation N upstream components carrier wave or component carrier group, or current system given described scheduling of user terminals N upstream components carrier wave or component carrier group, the absolute indices of described N upstream components carrier wave or component carrier group is pressed the ordering of component carrier centre frequency increasing or decreasing and is n=0,1 ..., N-1;

Perhaps, if carry the component carrier of the current power rising 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.

Perhaps, if the absolute indices of the component carrier group under the resident component carrier of described user terminal or the 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.

13. method as claimed in claim 9 is characterized in that, described user terminal reports the power rising space on its resident component carrier;

Perhaps, user terminal reports the power rising space on the component carrier of previous transmission PUSCH; Wherein, carried the power rising space of one or more component carrier groups on the component carrier of described transmission PUSCH simultaneously.

14. terminal, it is characterized in that, this terminal is used at subframe i, component carrier group j goes up when sending uplink physical channel, at subframe i, component carrier group j goes up and measures the power rising space, and described uplink physical channel is Physical Uplink Shared Channel (PUSCH) and/or Physical Uplink Control Channel (PUCCH).

15. terminal as claimed in claim 14, it is characterized in that, this terminal, be used at subframe i, component carrier group j goes up when sending PUSCH or PUCCH, the maximum transmission power of component carrier group j being gone up configuration and estimation at subframe i, at subframe i, component carrier group j goes up the power rising space of measurement to the difference of transmitting power that component carrier group j goes up the PUSCH that sends or PUCCH as this terminal.

16. terminal as claimed in claim 15, it is characterized in that, described terminal, be used at subframe i, when sending PUCCH or PUSCH on a plurality of component carriers in the component carrier group j, PUCCH that sends on this a plurality of component carriers that this terminal is estimated or the transmitting power sum of PUSCH as described terminal estimate at subframe i, component carrier group j goes up the PUCCH of transmission or the transmitting power of PUSCH.

17. as claim 15 or 16 described terminals, it is characterized in that, terminal, be used at subframe i, when sending a plurality of PUCCH on the arbitrary component carrier in the component carrier group j, to this component carrier, estimate the transmitting power of each PUCCH of sending on this component carrier, the transmitting power of the PUCCH that on this component carrier, sends that the transmitting power sum of each PUCCH of sending on this component carrier is estimated as terminal.

18. terminal as claimed in claim 14 is characterized in that, described terminal is used at subframe i, when sending PUSCH and PUCCH simultaneously on the component carrier group j, at subframe i, the power rising space that component carrier group j go up to measure be PH (i, j),

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

Perhaps 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 ' _PSCH(i, j) be described terminal estimate at subframe i, the transmitting power of the PUSCH on the component carrier group j, P ' _PUCCH(i, j) be described terminal estimate at subframe i, the transmitting power of the PUCCH on the component carrier group j, P _CMAX(j) maximum transmission power that on component carrier group j, disposes for described terminal.

19. terminal, it is characterized in that, this terminal, be used to use the arbitrary described method of claim 1 to 8 to measure the power rising space after, report the described power rising space to give the base station, on affiliated component carrier or the component carrier group of the power rising space that also indication reported of giving the correct time.

20. terminal as claimed in claim 19, it is characterized in that, described terminal, be used for reporting the described power rising space by power rising space media access control layer control unit, in described power rising space media access control layer control unit, use the absolute indices of component carrier or component carrier group or affiliated component carrier or the component carrier group of the power rising space that the relative indexing indication is reported.

21. terminal as claimed in claim 20, it is characterized in that, described terminal is used to use the component carrier under the power rising space that the highest M position indication of described power rising space matter MAC layer control unit reported or the absolute indices or the relative indexing of component carrier group.

22. terminal as claimed in claim 19 is characterized in that,

Described terminal is used for reporting the power rising space on its resident component carrier; Perhaps, on the component carrier of previous transmission PUSCH, report the power rising space; Wherein, carried the power rising space of one or more component carrier groups on the component carrier of described transmission PUSCH simultaneously.

Images