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CN102858005A - Uplink measurement reference signal sending control method and user equipment - Google Patents

Uplink measurement reference signal sending control method and user equipment Download PDF

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Publication number
CN102858005A
CN102858005A CN2011101823553A CN201110182355A CN102858005A CN 102858005 A CN102858005 A CN 102858005A CN 2011101823553 A CN2011101823553 A CN 2011101823553A CN 201110182355 A CN201110182355 A CN 201110182355A CN 102858005 A CN102858005 A CN 102858005A
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srs
power
physical channel
priority
pusch
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林志嵘
夏树强
戴博
任璐
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ZTE Corp
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ZTE Corp
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Abstract

本发明提供一种上行测量参考信号发送控制方法，包括：若用户设备在当前子帧内，上行分量载波之间有测量参考信号(SRS)与物理上行共享信道(PUSCH)，或者，有SRS与非截短结构的物理上行控制信道(PUCCH)，或者，有SRS、PUSCH及PUCCH同时发送，则所述用户设备计算当前子帧内同时发送上述各物理信道和SRS的发射功率之和，若所述发射功率之和大于所述用户设备配置的最大发射功率，则进行功率削减。本发明还提供一种用户设备。本发明提高了与PUSCH和/或PUCCH同时发送的SRS的可靠性。

Figure 201110182355

The present invention provides an uplink measurement reference signal transmission control method, including: if the user equipment is in the current subframe, there is a measurement reference signal (SRS) and a physical uplink shared channel (PUSCH) between the uplink component carriers, or there is an SRS and a physical uplink shared channel (PUSCH). Physical uplink control channel (PUCCH) with a non-truncated structure, or if SRS, PUSCH and PUCCH are sent at the same time, then the user equipment calculates the sum of the transmission powers for sending the above-mentioned physical channels and SRS at the same time in the current subframe, if the If the sum of the transmit powers is greater than the maximum transmit power configured by the user equipment, power reduction is performed. The present invention also provides a user equipment. The present invention improves the reliability of SRS sent simultaneously with PUSCH and/or PUCCH.

Figure 201110182355

Description

A kind of out-hole run reference signal sending control method and subscriber equipment
Technical field
The present invention relates to digital communicating field, particularly relate to LTE (Long Term Evolution, the 3GPP Long Term Evolution) with LTE-Advanced (Long Term Evolution Advanced, senior 3GPP Long Term Evolution), particularly, relate to a kind of SRS (Sounding reference signal, measuring reference signals) sending control method and subscriber equipment.
Background technology
The LTE-Advanced system is the evolution version of LTE system, its objective is that higher demand and Geng Duo for satisfying wireless communications market in the coming years use, satisfy and surpass IMT-Advanced (International Mobile Telecommunications-Advanced, IMT-Advanced) demand also keeps the backwards compatibility preferably to LTE simultaneously.
For satisfying this demand, adopted CA (Carriers Aggregation among the LTE-Advanced, carrier aggregation) technology is further supported the communication bandwidth wider than LTE, and the cardinal principle of carrier aggregation is exactly can support maximum 100MHz bandwidth by a plurality of carrier waves to the LTE backward compatibility of polymerization.Carrier aggregation can be divided into carrier aggregation between frequency band (Inter-band CA) and the interior continuous carrier polymerization (Intra-band Continuous CA) of frequency band and the interior three kinds of application scenarioss of discontinuous carrier polymerization (Intra-band Non-Continuous CA) of frequency band.
In the system that has introduced CA, the carrier wave that carries out polymerization is called component carrier (Component Carrier is referred to as CC), is also referred to as a residential quarter (Cell).Simultaneously, principal component carrier wave/residential quarter (Primary Component Carrier/Cell has also been proposed, referred to as PCC/PCell) and auxiliary component carrier/residential quarter (Secondary Component Carrier/Cell, referred to as SCC/SCell) concept, in the system that has carried out carrier aggregation, at least comprise a principal component carrier wave and auxiliary component carrier, wherein the principal component carrier wave is in state of activation always.
The uplink physical channel of LTE system comprises PARCH (Physical Random Access Channel, Physical Random Access Channel), PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel), PUCCH (Physical Uplink Control Channel, PUCCH).The up employing DFT-S-OFDMA of LTE (DFT-Spread OFDM, DFT expands OFDM) technology, reference signal and data are multiplexing together by the mode of TDM.Uplink reference signals is divided into DMRS (Demodulation Reference Signal, demodulated reference signal) and SRS, and wherein DMRS is divided into that the PUCCH solution is called reference signal and the PUSCH solution is called reference signal, is respectively applied in the different transmissions.The Main Function of DMRS is that the Main Function of SRS is the measurement for up channel, is convenient to eNB and does frequency selective scheduling for relevant detection and the demodulation of the estimation of up channel and eNB (evolved Node B, evolution Node B) base station end.In order to support this frequency selective scheduling, UE (User Equipment, subscriber equipment) need to measure larger bandwidth, usually all can surpass the bandwidth of transfer of data, so SRS is a kind of " broadband " reference signal.
When the SRS between CC and PUSCH do not send simultaneously, according to the ascending power control method in the existing R10 version LTE standard 36.213, can not cause the transmitting power of UE above the situation of the maximum transmission power of UE configuration.
The PUCCH of the SRS between CC and non-brachymemma form is not when the PUCCH of simultaneously transmission or SRS and brachymemma form sends simultaneously, according to the ascending power control method in the existing R10 version LTE standard 36.213, also can not cause the transmitting power of UE above the situation of the maximum transmission power of UE configuration.
Whether the SRS between CC and PUSCH and PUCCH (no matter non-brachymemma form) be when not sending simultaneously, according to the ascending power control method in the existing R10 version LTE standard 36.213, can not cause the transmitting power of UE above the situation of the maximum transmission power of UE configuration.
And when the PUCCH of the SRS between CC and PUSCH or SRS and non-brachymemma form or SRS and PUSCH and PUCCH send simultaneously, might cause the UE transmitting power to surpass the maximum transmission power of UE configuration.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of SRS sending control method and subscriber equipment.
In order to address the above problem, the invention provides a kind of out-hole run reference signal sending control method, comprising:
If subscriber equipment is in current subframe, measuring reference signals (SRS) and Physical Uplink Shared Channel (PUSCH) are arranged between the upstream components carrier wave, perhaps, the Physical Uplink Control Channel (PUCCH) that SRS and non-brachymemma structure are arranged, perhaps, there are SRS, PUSCH and PUCCH to send simultaneously, then send simultaneously the transmitting power sum of above-mentioned each physical channel and SRS in the current subframe of described subscriber devices compute, if described transmitting power sum greater than the maximum transmission power of described user device configuration, is then carried out power extraction.
Further, said method also can have following characteristics, and the described SRS that sends simultaneously or PUCCH or PUSCH are one or more.
Further, said method also can have following characteristics, the described power extraction of carrying out comprises: each physical channel and the SRS that sends simultaneously carried out the equal proportion power extraction, perhaps, carry out power extraction according to described each physical channel that sends simultaneously and the priority between the SRS, perhaps, carry out power extraction according to the priority of each signal that carries on described each physical channel that sends simultaneously and the SRS; Perhaps, abandon described SRS.
Further, said method also can have following characteristics, each physical channel of sending simultaneously and SRS is carried out the equal proportion power extraction comprise:
The described SRS that sends is simultaneously multiplied each other with the transmitting power of each physical channel and unified power control factor, control the value of described power control factor, described simultaneously each physical channel of transmission of the reduction of equal proportion and the transmitting power of SRS.
Further, said method also can have following characteristics, and described described each physical channel and the priority between the SRS according to sending is simultaneously carried out power extraction and comprised:
Priority according to each physical channel and SRS, the physical channel that priority is minimum or the transmitting power of SRS multiply by power control factor, the value of controlling described power control factor reduces the minimum physical channel of priority or the transmitting power of SRS, if the interior transmitting power sum of current subframe was still greater than described maximum transmission power when the physical channel that priority is minimum or the reduction of the transmitting power of SRS were extremely zero, then continue to cut down the transmitting power of the higher leveled physical channel of priority or SRS, the like.
Further, said method also can have following characteristics, and described described each physical channel and the priority between the SRS according to sending is simultaneously carried out power extraction and comprised:
Priority according to each physical channel and SRS, at first that priority is minimum physical channel or the transmitting power of SRS are cut down to zero, if the transmitting power sum is still greater than described maximum transmission power in the current subframe, then cut down the transmitting power of the higher leveled physical channel of priority or SRS to zero, the like.
Further, said method also can have following characteristics, and the priority between described each physical channel and the SRS is as follows to low arrangement from height:
PUCCH、SRS、PUSCH；
Perhaps, SRS, PUCCH, PUSCH;
Perhaps, PUCCH, PUSCH, SRS;
Perhaps, carry ascending control information PUSCH, SRS, do not carry the PUSCH of ascending control information;
Perhaps, PUCCH, the PUSCH that carries ascending control information, SRS, do not carry the PUSCH of ascending control information.
Further, said method also can have following characteristics, described according to sending simultaneously described each physical channel and SRS on the priority of each signal of carrying carry out power extraction and comprise:
Priority according to the signal that carries on each physical channel and SRS, the transmitting power of carrying the minimum physical channel of the priority class of traffic or SRS be multiply by power control factor, control the value of described power control factor, reduce the transmitting power of carrying the minimum physical channel of the priority class of traffic or SRS, cut down to zero the time in the current subframe transmitting power sum still greater than described maximum transmission power if carry the transmitting power of the minimum physical channel of the priority class of traffic or SRS, then continue to cut down the transmitting power of carrying the higher leveled physical channel of the priority class of traffic or SRS, the like.
Further, said method also can have following characteristics, described according to sending simultaneously described each physical channel and SRS on the priority of each signal of carrying carry out power extraction and comprise:
According to the priority of carrying signal and SRS on each physical channel, at first will carry the power extraction of the minimum physical channel of the priority class of traffic or SRS to zero, if the transmitting power sum is still greater than described maximum transmission power in the current subframe, then cut down the transmitting power of carrying the higher leveled physical channel of the priority class of traffic or SRS extremely zero, the like.
Further, said method also can have following characteristics, and each signal that carries on described each physical channel and the priority of SRS are determined the influence degree of systematic function according to each signal that carries on described each physical channel and SRS.
Further, said method also can have following characteristics, if a plurality of physical channels and/or SRS are in same priority, perhaps, it carries signal and/or SRS is in same priority a plurality of physical channels, when the physical channel under this priority and/or SRS are carried out power extraction, cut down by equal proportion.
Further, said method also can have following characteristics, if after abandoning described SRS, described transmitting power sum is then proceeded power extraction according to the power extraction method in the R10 version LTE standard 36.213 still greater than described maximum transmission power.
Further, said method also can have following characteristics, and described upstream components intercarrier is carrier aggregation or the interior continuous carrier polymerization of frequency band or the interior discontinuous carrier polymerization of frequency band between frequency band.
Further, said method also can have following characteristics, when described upstream components intercarrier is between frequency band during carrier aggregation, described subscriber equipment was also carried out before or after described transmitting power sum is carried out power extraction during greater than the maximum transmission power of described user device configuration:
The total emission power of judging the above each physical channel that sends simultaneously of upstream components carrier wave of continuous bandwidth in the frequency band and SRS satisfies when pre-conditioned, uses the power extraction method in the R10 version LTE standard 36.213 that the physical channel on the upstream components carrier wave in the continuous bandwidth in the frequency band or SRS are carried out power extraction.
Further, said method also can have following characteristics, describedly pre-conditionedly is: the maximum transmission power that the described total emission power of the upstream components carrier wave in the frequency band in the continuous bandwidth allows greater than the power amplifier of current use;
Describedly physical channel on the upstream components carrier wave in the continuous bandwidth in the frequency band or SRS are carried out power extraction comprise: the transmitting power of the physical channel on the upstream components carrier wave in the continuous bandwidth in the frequency band or SRS is cut down to the maximum power of the power amplifier that is not more than current use.
The present invention also provides a kind of subscriber equipment, and described subscriber equipment comprises comparing unit and power extraction unit, wherein:
Described comparing unit is used for: in the current subframe, measuring reference signals (SRS) and Physical Uplink Shared Channel (PUSCH) are arranged on the upstream components carrier wave, perhaps, the Physical Uplink Control Channel (PUCCH) that SRS and non-brachymemma structure are arranged, perhaps, when having SRS, PUSCH and PUCCH to send simultaneously, calculate in the current subframe above-mentioned each physical channel of sending simultaneously and the transmitting power sum of SRS, if described transmitting power sum greater than the maximum transmission power of user device configuration, then notifies described power extraction unit to carry out power extraction;
Described power extraction unit is used for: when receiving the notice of described comparing unit, carry out power extraction.
Further, above-mentioned subscriber equipment also can have following characteristics, and the described SRS that sends simultaneously or PUCCH or PUSCH are one or more.
Further, above-mentioned subscriber equipment also can have following characteristics, described power extraction unit one of is used for as follows carrying out power extraction: each physical channel and the SRS that sends simultaneously carried out the equal proportion power extraction, perhaps, carry out power extraction according to described each physical channel that sends simultaneously and the priority between the SRS, perhaps, carry out power extraction according to the priority of the signal that carries on described each physical channel that sends simultaneously and the SRS; Perhaps, abandon described SRS, if the transmitting power sum is then proceeded power extraction still greater than described maximum transmission power after abandoning described SRS, described each physical channel comprises PUCCH and/or PUSCH.
Further, above-mentioned subscriber equipment also can have following characteristics, described power extraction unit be for:
The physical channel that priority class of traffic priority is minimum or that carry is minimum or the transmitting power of SRS multiply by power control factor, the value of controlling described power control factor reduces the minimum physical channel of the described priority priority class of traffic minimum or that carry or the transmitting power of SRS, if the interior transmitting power sum of current subframe was still greater than described maximum transmission power when the physical channel that the priority priority class of traffic minimum or that carry is minimum or the reduction of the transmitting power of SRS were extremely zero, the higher leveled physical channel of priority of the signal that then continues to cut down the high one-level of priority or carry or the transmitting power of SRS, the like.
Further, above-mentioned subscriber equipment also can have following characteristics, described power extraction unit be for: according to the priority of each physical channel and SRS, the physical channel that the priority class of traffic at first that priority is minimum or that carry is minimum or the power extraction of SRS are to zero, if the transmitting power sum is still greater than described maximum transmission power in the current subframe, the higher leveled physical channel of priority of the signal of then cutting down the high one-level of priority or carrying or the power of SRS are extremely zero, the like.
Further, above-mentioned subscriber equipment also can have following characteristics, and the priority between described each physical channel and the SRS is as follows to low arrangement from height:
PUCCH、SRS、PUSCH；
Perhaps, SRS, PUCCH, PUSCH;
Perhaps, PUCCH, PUSCH, SRS;
Perhaps, carry ascending control information PUSCH, SRS, do not carry the PUSCH of ascending control information;
Perhaps, PUCCH, the PUSCH that carries ascending control information, SRS, do not carry the PUSCH of ascending control information.
Further, above-mentioned subscriber equipment also can have following characteristics, and each signal that carries on described each physical channel and the priority of SRS are determined the influence degree of systematic function according to the signal that carries on described each physical channel and the SRS.
Further, above-mentioned subscriber equipment also can have following characteristics, described power extraction unit also is used for: if a plurality of physical channel and/or SRS are in same priority, perhaps, it carries signal and/or SRS is in same priority a plurality of physical channels, when the physical channel under this priority and/or SRS are carried out power extraction, cut down by equal proportion.
Further, above-mentioned subscriber equipment also can have following characteristics, described power extraction unit be for: when abandoning that described transmitting power sum is still greater than described maximum transmission power behind the described SRS, proceed power extraction according to the power extraction method in the R10 version LTE standard 36.213.
Further, above-mentioned subscriber equipment also can have following characteristics, and described subscriber equipment also comprises the second comparing unit and the second power extraction unit, wherein:
Described the second comparing unit is used for: when described upstream components intercarrier is between frequency band during carrier aggregation, also carried out before or after described power extraction unit carries out power extraction: whether the total emission power of judging the above each physical channel that sends simultaneously of the upstream components carrier wave in the continuous bandwidth and SRS in the frequency band is greater than the maximum power of the power amplifier of current use, if so, notify the second power extraction unit;
Described the second power extraction unit is used for: when receiving the notice of described the second comparing unit, use the power extraction method in the R10 version LTE standard 36.213 that the physical channel on the upstream components carrier wave in the continuous bandwidth in the frequency band or SRS are carried out power extraction.
By SRS sending control method provided by the invention, solved the problem that the power that might occur when the PUCCH of SRS between CC and PUSCH or SRS and non-brachymemma form or SRS and PUSCH and PUCCH send simultaneously surpasses UE configuration maximum power, improved the reliability of the SRS that sends simultaneously with PUSCH and/or PUCCH, improved the measurement capability of eNB for up channel, strengthen the dispatching of eNB, and then improved the performance of whole LTE system.
Description of drawings
Fig. 1 is embodiment of the invention out-hole run reference signal sending control method flow chart;
Fig. 2 is embodiment of the invention subscriber equipment block diagram.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing embodiments of the invention are elaborated.Need to prove, in the situation that do not conflict, the embodiment among the application and the feature among the embodiment be combination in any mutually.
The embodiment of the invention provides a kind of SRS sending control method, as shown in Figure 1, comprising:
If UE is in current subframe, between up CC, there are the PUCCH of SRS and PUSCH or SRS and non-brachymemma structure or SRS and PUSCH and PUCCH to send simultaneously, then UE calculates in the current subframe above-mentioned each physical channel of sending simultaneously and the transmitting power sum of SRS, and with the maximum transmission power P of UE configuration CMaxCompare, if the transmitting power sum surpasses P CMax, then carry out power extraction, until the transmitting power sum is no more than P CMax
Further, the above-mentioned SRS that sends simultaneously or PUSCH or PUCCH quantity can be one, also can send simultaneously for a plurality of.
Further, above-mentioned SRS is SRS or cycle SRS aperiodic.
Further, above-mentioned power extraction method can be for one of following:
Method 1, equal proportion are cut down;
Method 2, carry out power extraction based on the mix of priorities of physical channel and SRS;
Method 3, based on the priority power extraction of carrying signal on physical channel and the SRS;
Method 4, abandon SRS, then proceed power extraction if abandon behind the described SRS in the current subframe transmitting power sum still greater than described maximum transmission power, can use the power extraction method in the R10 version LTE standard 36.213 to carry out power extraction this moment.If a plurality of SRS are arranged, abandon this a plurality of SRS.
Further, above-mentioned power extraction method is applicable to Inter-band and Intra-band CA scene.
Further, the power extraction method that above-mentioned equal proportion is cut down is: the transmitting power of each physical channel and SRS be multiply by unified power control factor W (i), value by power ratio control controlling elements W (i), the transmitting power of each physical channel of the reduction of equal proportion and SRS is until the transmitting power sum is no more than P CMaxTill.
Further, the power extraction method of above-mentioned mix of priorities based on physical channel and SRS is: formulate the priority based on physical channel and SRS, the transmitting power sum surpasses P in current subframe CMaxThe time, the transmitting power of cutting down first the minimum physical channel of priority or SRS, the transmitting power of cutting down again the higher physical channel of priority or SRS is until the transmitting power sum is no more than P CMaxTill.Concrete, at first cut down the power of the minimum physical channel of priority or SRS, if the interior transmitting power sum of current subframe was still greater than described maximum transmission power when the physical channel that priority is minimum or the power extraction of SRS were extremely zero, then cut down the power of the higher leveled physical channel of priority or SRS, the like, until the transmitting power sum is not more than described maximum transmission power in the current subframe.
Wherein, the physical channel that needs under arbitrary priority to cut down or SRS are cut down one of as follows:
1, will need to cut down the physical channel of power or the transmitting power of SRS multiply by power control factor W (i), by the value of power ratio control controlling elements W (i), reduce the transmitting power of each physical channel and SRS under this priority;
2, do not send physical channel or SRS under the priority of need cutting down, the physical channel under the priority that namely directly will need to cut down or the transmitting power of SRS are cut down to 0.
Further, the priority of the mix of priorities of physical channel and SRS one of can be as follows definition:
PUCCH priority is the highest, is SRS secondly, and PUSCH priority is minimum;
SRS priority is the highest, is PUCCH secondly, and PUSCH priority is minimum;
PUCCH priority is the highest, is PUSCH secondly, and SRS priority is minimum;
The PUSCH priority that carries UCI (Uplink Control Information, ascending control information) is the highest, is SRS secondly, and the PUSCH priority of not carrying UCI is minimum;
PUCCH priority is the highest, and next carries the PUSCH of UCI (Uplink Control Information, ascending control information), is SRS secondly again, and the PUSCH priority of not carrying UCI is minimum.
Further, can only have a physical channel and SRS to be in the same priority, also can there be simultaneously a plurality of physical channels and SRS to be in the same priority, if the SRS of the physical channel of a plurality of different CC or different CC is in same priority, when then the SRS of the physical channel of the different CC that are in same priority or different CC being cut down, make equal proportion and cut down cutting method such as above-mentioned power extraction method 1.
Further, above-mentioned power extraction method of carrying the priority class of traffic based on physical channel and SRS is: formulate the priority of the signal that specifically carries based on physical channel and SRS, when the transmitting power sum surpasses P CMaxThe time, cut down first the minimum physical channel of the priority class of traffic carry or the transmitting power of SRS, cut down again the higher physical channel of the priority class of traffic of carrying or the transmitting power of SRS, until UE transmitting power sum is no more than P CMaxTill, namely, at first cut down the power that carries the minimum physical channel of the priority class of traffic or SRS, if the power extraction of carrying the minimum physical channel of the priority class of traffic or SRS to zero the time in the current subframe transmitting power sum still greater than described maximum transmission power, then cut down the power that carries the higher leveled physical channel of the priority class of traffic or SRS, the like, until the transmitting power sum is not more than described maximum transmission power in the current subframe.
Further, physical channel and SRS under the arbitrary priority that needs are cut down in the above-mentioned power extraction method of carrying the priority class of traffic based on physical channel and SRS, one of can be as follows cut down:
Needs are cut down physical channel under the priority of power or the transmitting power of SRS and be multiply by power control factor W (i), by the value of power ratio control controlling elements W (i), reduce the transmitting power of each physical channel and SRS;
Do not send the physical channel or the SRS that carry this signal priority, namely directly will carry signal extremely zero for physical channel or the SRS power extraction of this priority.When realizing in such a way, at first will carry the power extraction of the minimum physical channel of the priority class of traffic or SRS to zero, if the transmitting power sum is still greater than described maximum transmission power in the current subframe, then cut down the transmitting power of carrying the higher leveled physical channel of the priority class of traffic or SRS extremely zero, the like, until the transmitting power sum is not more than described maximum transmission power.With the difference of front a kind of method be, front a kind of be to cut down gradually physical channel that need to cut down and the transmitting power of SRS, and this method is directly to cut down to zero.
Further, the priority definition method of the above-mentioned signal that carries based on physical channel is: according to the influence degree of unlike signal to systematic function, formulate the priority of unlike signal.High on large its priority of signal of systematic function impact when usually, not sending this signal.
Further, in the priority definition method of the above-mentioned signal that carries based on physical channel, can only have a physical channel and SRS to be in the same priority, also can there be simultaneously a plurality of physical channels and SRS to be in the same priority, if the physical channel that carries the same priority signal of a plurality of different CC or SRS are in same lowest priority, when then the physical channel that carries the same priority signal of the different CC that are in same priority or SRS being carried out power extraction, make equal proportion and cut down cutting method such as above-mentioned power extraction method 1.
Further, above-mentioned power extraction method 4 is specially: if UE is in current subframe, have the PUCCH of SRS and PUSCH or non-brachymemma form to send simultaneously between different CC, then UE does not send SRS, if the total emission power of remaining uplink physical channel still surpasses the maximum transmission power P of UE configuration CMax, then carry out power extraction according to the power extraction method in the existing R10 version LTE standard 36.213.
Further, if the scene of current up CA is Inter-band CA, carrying out power extraction when the maximum transmission power that described transmitting power sum configures greater than described UE before or after, also carries out described UE following operation:
UE calculates the total emission power of the up CC of continuous bandwidth in the Intra-band, and is pre-conditioned if result of calculation satisfies, and uses the power extraction method in the R10 version LTE standard 36.213 to carry out power extraction;
Describedly pre-conditionedly be: the maximum power that each physical channel on the up CC in the Intra-band in the continuous bandwidth and the total emission power of SRS surpass the PA (Power Amplifier, power amplifier) of current use (is expressed as P PAMax), each physical channel comprises PUSCH and/or PUCCH.
Further, UE judges total emission power and and the P of the interior up CC of continuous bandwidth in the Intra-band PAMaxCompare the total emission power (being all SRS that send simultaneously and each physical channel in the current subframe) and and the P that judge the up CC among the Inter-band with UE CMaxThe precedence that compares does not require, that is: can calculate first the upward signal transmitting power in the continuous bandwidth in the Intra-band, the maximum power of the upward signal transmitting power in the continuous bandwidth in the Intra-band and PA support is compared, then calculate the upward signal transmitting power sum among all Inter-band, the maximum transmission power of the upward signal transmitting power sum among all Inter-band and UE configuration is compared; Also can calculate first the upward signal transmitting power sum among the Inter-band, the maximum transmission power of the upward signal transmitting power sum among the Inter-band and UE configuration is compared, then calculate the upward signal transmitting power in the continuous bandwidth in the Intra-band, the maximum power of the upward signal transmitting power in the continuous bandwidth in the Intra-band with the PA support compared.The method of Intra-band and Inter-band being carried out respectively power extraction is called power extraction method 5.
Embodiment 1
The present embodiment supposition UE has configured 4 up CC, be respectively CC1, CC2, CC3, CC4, but the present invention is not limited only to the scene that UE has configured 4 up CC, but is applicable to the scene that UE has configured a plurality of up CC and a plurality of PA.
Embodiment 1-1
Suppose to have among the CC1 PUSCH to send, CC2 sends SRS, and CC3 sends SRS, and CC4 does not send in current subframe.
Supposing that UE finally transmits is the PUSCH on the CC1 and the SRS on the CC3.
Then UE judges whether the transmitting power sum of PUSCH on the CC1 and the SRS on the CC3 surpasses the maximum transmission power P of UE configuration CMaxIf the transmitting power sum surpasses P CMax, that is:
P CC1PUSCH(i)+P CC3SRS(i)＞P CMax
Then carry out power extraction, use power extraction method 1 herein, be that equal proportion is cut down, the transmitting power of PUSCH on the CC1 and the SRS on the CC3 be multiply by unified power control factor W (i), value by power ratio control controlling elements W (i), PUSCH on the reduction CC1 of equal proportion and the transmitting power of the SRS on the CC3 are until the transmitting power sum is no more than P CMaxTill, that is:
W(i)·(P CC1PUSCH(i)+P CC3SRS(i))≤P CMax
Then UE sends PUSCH on the CC1 and the SRS on the CC3 simultaneously.
Embodiment 1-2
Suppose to send among the CC1 PUCCH, CC2 sends PUSCH, and CC3 sends SRS, and CC4 sends SRS.
Supposing that UE finally transmits is the PUCCH on the CC1 and the PUSCH on the CC2 and the SRS on the CC3 and the SRS on the CC4.
Then UE judges whether the transmitting power sum of PUCCH on the CC1 and the PUSCH on the CC2 and the SRS on the CC3 and the SRS on the CC4 surpasses the maximum transmission power P of UE configuration CMaxIf the transmitting power sum surpasses P CMax, that is:
P CC1PUCCH(i)+P CC2PUSCH(i)+P CC3SRS(i)+P CC4SRS(i)＞P CMax
Then carry out power extraction, use power extraction method 2 herein, namely according to cutting down based on the mix of priorities of physical channel and SRS, suppose to use priority definition method 1 this moment, namely the priority of PUCCH is the highest, and SRS takes second place, and PUSCH priority is minimum.Then cut down the transmitting power of PUSCH, make the transmitting power sum be no more than P CMax, that is:
P CC1PUCCH(i)+W(i)·P CC2PUSCH(i)+P CC3SRS(i)+P CC4SRS(i)≤P CMax
Then launch PUCCH and the PUSCH on the CC2 and the SRS on the CC3 and the SRS on the CC4 on the CC1.
If W (i) value is 0 still can not satisfy following formula, then cut down the lower SRS power of priority, make the transmitting power sum be no more than P CMax, that is:
P CC1PUCCH(i)+V(i)·(P CC3SRS(i)+P CC4SRS(i))≤P CMax
Then launch PUCCH and the SRS on the CC3 and the SRS on the CC4 on the CC1.
Perhaps;
Use priority definition method 2, namely the priority of SRS is the highest, and PUCCH takes second place, and PUSCH priority is minimum.Then cut down the transmitting power of PUSCH, make the transmitting power sum be no more than P CMax, that is:
P CC1PUCCH(i)+W(i)·P CC2PUSCH(i)+P CC3SRS(i)+P CC4SRS(i)≤P CMax
Then launch PUCCH and the PUSCH on the CC2 and the SRS on the CC3 and the SRS on the CC4 on the CC1.
If W (i) value is 0 still can not satisfy following formula, then cut down the lower PUCCH power of priority, make the transmitting power sum be no more than P CMax, that is:
V(i)·P CC1PUCCH(i)+P CC3SRS(i)+P CC4SRS(i)≤P CMax
Then launch PUCCH and the SRS on the CC3 and the SRS on the CC4 on the CC1.
Embodiment 1-3
Suppose to send the PUSCH that carries UCI among the CC1, CC2 sends the PUSCH that does not carry UCI, and CC3 sends SRS, and CC4 sends SRS.
Suppose that UE launches PUSCH and the PUSCH on the CC2 and the SRS on the CC3 and the SRS on the CC4 on the CC1 at last.
Then UE judges whether the transmitting power sum of PUSCH on the CC1 and the PUSCH on the CC2 and the SRS on the CC3 and the SRS on the CC4 surpasses the maximum transmission power P of UE configuration CMaxIf the transmitting power sum surpasses P CMax, that is:
P CC1PUSCH(i)+P CC2PUSCH(i)+P CC3SRS(i)+P CC4SRS(i)＞P CMax
Then carry out power extraction, use power extraction method 2 herein, namely according to cutting down based on the mix of priorities of physical channel and SRS, this moment is according to priority definition method 3, the priority of PUSCH that carries UCI is the highest, and SRS takes second place, and the PUSCH priority of not carrying UCI is minimum.Then cut down the transmitting power of PUSCH, make the transmitting power sum be no more than P CMax, that is:
P CC1PUSCH(i)+W(i)·P CC2PUSCH(i)+P CC3SRS(i)+P CC4SRS(i)≤P CMax
Then launch PUSCH and the PUSCH on the CC2 and the SRS on the CC3 and the SRS on the CC4 on the CC1.
If W (i) value is 0 still can not satisfy following formula, then cut down the power that priority ratio does not carry the higher leveled SRS of PUSCH of UCI, make the transmitting power sum be no more than P CMax, that is:
P CC1PUSCH(i)+V(i)·(P CC3SRS(i)+P CC4SRS(i))≤P CMax
Then launch PUSCH and the SRS on the CC3 and the SRS on the CC4 on the CC1.
Embodiment 1-4
Suppose to send the PUCCH that carries the HARQ-ACK signal among the CC1, CC2 sends the PUSCH that only carries user data, and CC3 sends A-SRS, and CC4 sends P-SRS.
Suppose that UE launches PUCCH and the PUSCH on the CC2 and the A-SRS on the CC3 and the P-SRS on the CC4 on the CC1 at last.
Then UE judges whether the transmitting power sum of PUCCH on the CC1 and the PUSCH on the CC2 and the A-SRS on the CC3 and the P-SRS on the CC4 surpasses the maximum transmission power P of UE configuration CMaxIf the transmitting power sum surpasses P CMax, that is:
P CC1PUCCH(i)+P CC2PUSCH(i)+P CC3A-SRS(i)+P CC4P-SRS(i)＞P CMax
Then carry out power extraction, use power extraction method 3 herein, namely carry the power extraction of the priority class of traffic based on physical channel.
Suppose that this moment, the priority class of traffic of definition was from high to low: HARQ-ACK, A-CSI, A-SRS, P-CSI, P-SRS, user data.
Then the HARQ-ACK priority class of traffic is the highest in the present embodiment, and A-SRS takes second place, and then is P-SRS, and the PUSCH priority of only carrying user data is minimum.Then at first cut down the transmitting power of PUSCH, make the transmitting power sum be no more than P CMax, that is:
P CC1PUCCH(i)+W(i)·P CC2PUSCH(i)+P CC3A-SRS(i)+P CC4P-SRS(i)≤P CMax
Then send PUCCH and the PUSCH on the CC2 and the A-SRS on the CC3 and the P-SRS on the CC4 on the CC1.
If W (i) value is 0 still can not satisfy following formula, then cut down the high P-SRS power of priority ratio user data, make the transmitting power sum be no more than P CMax, that is:
P CC1PUCCH(i)+P CC3A-SRS(i)+V(i)·P CC4P-SRS(i)≤P CMax
Then send PUCCH and the A-SRS on the CC3 and the P-SRS on the CC4 on the CC1.
Embodiment 1-5
Suppose to send among the CC1 PUCCH, CC2 sends PUSCH, and CC3 sends A-SRS, and CC4 sends P-SRS.
UE judges whether the transmitting power sum of PUCCH on the CC1 and the PUSCH on the CC2 and the A-SRS on the CC3 and the P-SRS on the CC4 surpasses the maximum transmission power P of UE configuration CMaxIf the transmitting power sum surpasses P CMax, that is:
P CC1PUCCH(i)+P CC2PUSCH(i)+P CC3A-SRS(i)+P CC4P-SRS(i)＞P CMax
Then carry out power extraction, use power extraction method 4 herein, namely UE does not send SRS in current subframe, only sends PUSCH and PUCCH.
If the uplink transmission power when only sending PUCCH and PUSCH also surpasses the maximum transmission power P of UE configuration CMax, then use the power extraction method in the R10 version LTE standard 36.213 to carry out power extraction.Be specially: guarantee the transmitting power of PUCCH, multiply by power extraction factor W (i) by the transmitting power with PUSCH, by the value of control W (i), make the uplink transmission power in the current subframe be no more than the maximum transmission power P that UE configures CMax, that is:
P CC1PUCCH(i)+W(i)·P CC2PUSCH(i)≤P CMax
Embodiment 1-6
Suppose that the frequency that CC1 and CC2 use all is among the band1, the frequency that CC3 and CC4 use all is among the band2, CC1 and CC2 use PA1 to carry out upward signal and send, CC3 and CC4 use PA2 to carry out upward signal and send, and send PUCCH among the CC1, CC2 sends PUSCH, and CC3 sends A-SRS, and CC4 sends P-SRS.
UE sends PUCCH and the PUSCH on the CC2 and the A-SRS on the CC3 and the P-SRS on the CC4 on the CC1.
Suppose that total transmitting power surpasses the maximum transmission power P of UE configuration CMax:
P CC1PUCCH(i)+P CC2PUSCH(i)+P CC3A-SRS(i)+P CC4P-SRS(i)＞P CMax
Then use power extraction method 5 to carry out power extraction, this moment, UE calculated first the upward signal transmitting power in the Intra-band, and the maximum power of the upward signal transmitting power in the Intra-band with the PA support compared.
Suppose that the uplink transmission power of CC1 and CC2 surpasses the maximum transmission power P of the support of PA1 PA1Max, the uplink transmission power of CC3 and CC4 is no more than the maximum transmission power P of the support of PA2 PA2Max, that is:
P CC1PUCCH(i)+P CC2PUSCH(i)＞P PA1Max
P CC3A-SRS(i)+P CC4P-SRS(i)≤P PA2Max
Then in Intra-band, use the power extraction method in the R10 version LTE standard 36.213 to carry out power extraction, in band1, guarantee the transmitting power of the PUCCH on the CC1, multiply by power extraction factor W (i) by the transmitting power with PUSCH, by the value of control W (i), make the uplink transmission power in the current subframe be no more than the maximum transmission power P that PA1 supports PA1Max, that is:
P CC1PUCCH(i)+W(i)·P CC2PUSCH(i)≤P PA1Max
Calculate again total emission power and and the P of the up CC among the Inter-band this moment CMaxCompare, if this moment the up CC among the Inter-band total emission power still surpass P CMax, that is:
P CC1PUCCH(i)+W(i)·P CC2PUSCH(i)+P CC3A-SRS(i)+P CC4P-SRS(i)＞P CMax
Then use above-mentioned power extraction method (method 1 is to method 4) to carry out power extraction, using power extraction method 1 herein is the equal proportion cutting method.Then the transmitting power with each channel and SRS multiply by unified power extraction factor V (i) (for the power extraction factor W (i) that uses in cutting down with Intra-band internal power before distinguishes, the power extraction factor herein is expressed as V (i)), value by power ratio control decay factor V (i), the transmitting power of each physical channel of the reduction of equal proportion and SRS is until the transmitting power sum is no more than P CMaxTill.That is:
V(i)·(P CC1PUCCH(i)+W(i)·P CC2PUSCH(i)+P CC3A-SRS(i)+P CC4P-SRS(i))≤P CMax
The present invention also provides a kind of subscriber equipment, as shown in Figure 2, comprising: comparing unit and power extraction unit, wherein:
Described comparing unit is used for: in the current subframe, measuring reference signals (SRS) and Physical Uplink Shared Channel (PUSCH) are arranged on the upstream components carrier wave, perhaps, the Physical Uplink Control Channel (PUCCH) that SRS and non-brachymemma structure are arranged, perhaps, when having SRS, PUSCH and PUCCH to send simultaneously, calculate in the current subframe above-mentioned each physical channel of sending simultaneously and the transmitting power sum of SRS, if described transmitting power sum greater than the maximum transmission power of user device configuration, then notifies described power extraction unit to carry out power extraction;
Described power extraction unit is used for: when receiving the notice of described comparing unit, carry out power extraction.
Wherein, the described SRS that sends simultaneously or PUCCH or PUSCH are one or more.
Wherein, described power extraction unit one of is used for as follows carrying out power extraction: each physical channel and the SRS that sends simultaneously carried out the equal proportion power extraction, perhaps, carry out power extraction according to described each physical channel that sends simultaneously and the priority between the SRS, perhaps, carry out power extraction according to the priority of the signal that carries on described each physical channel that sends simultaneously and the SRS; Perhaps, abandon described SRS, if the transmitting power sum is then proceeded power extraction still greater than described maximum transmission power after abandoning described SRS, described each physical channel comprises PUCCH and/or PUSCH.
Wherein, described power extraction unit be for:
The physical channel that priority class of traffic priority is minimum or that carry is minimum or the transmitting power of SRS multiply by power control factor, the value of controlling described power control factor reduces the minimum physical channel of the described priority priority class of traffic minimum or that carry or the transmitting power of SRS, if the interior transmitting power sum of current subframe was still greater than described maximum transmission power when the physical channel that the priority priority class of traffic minimum or that carry is minimum or the reduction of the transmitting power of SRS were extremely zero, the higher leveled physical channel of priority of the signal that then continues to cut down the high one-level of priority or carry or the transmitting power of SRS, the like.
Wherein, described power extraction unit be for: according to the priority of each physical channel and SRS, the physical channel that the priority class of traffic at first that priority is minimum or that carry is minimum or the power extraction of SRS are to zero, if the transmitting power sum is still greater than described maximum transmission power in the current subframe, the higher leveled physical channel of priority of the signal of then cutting down the high one-level of priority or carrying or the power of SRS are extremely zero, the like.
Wherein, the priority between described each physical channel and the SRS is as follows to low arrangement from height:
PUCCH、SRS、PUSCH；
Perhaps, SRS, PUCCH, PUSCH;
Perhaps, PUCCH, PUSCH, SRS;
Perhaps, carry ascending control information PUSCH, SRS, do not carry the PUSCH of ascending control information;
Perhaps, PUCCH, the PUSCH that carries ascending control information, SRS, do not carry the PUSCH of ascending control information.
Wherein, each signal that carries on described each physical channel and the priority of SRS are determined the influence degree of systematic function according to the signal that carries on described each physical channel and the SRS.
Wherein, described power extraction unit also is used for: if a plurality of physical channel and/or SRS are in same priority, perhaps, it carries signal and/or SRS is in same priority a plurality of physical channels, when the physical channel under this priority and/or SRS are carried out power extraction, cut down by equal proportion.
Wherein, described power extraction unit be for: when abandoning that described transmitting power sum is still greater than described maximum transmission power behind the described SRS, proceed power extraction according to the power extraction method in the R10 version LTE standard 36.213.
Wherein, described subscriber equipment also comprises the second comparing unit and the second power extraction unit, wherein:
Described the second comparing unit is used for: when described upstream components intercarrier is between frequency band during carrier aggregation, also carried out before or after described power extraction unit carries out power extraction: whether the total emission power of judging the above each physical channel that sends simultaneously of the upstream components carrier wave in the continuous bandwidth and SRS in the frequency band is greater than the maximum power of the power amplifier of current use, if so, notify the second power extraction unit;
Described the second power extraction unit is used for: when receiving the notice of described the second comparing unit, use the power extraction method in the R10 version LTE standard 36.213 that the physical channel on the upstream components carrier wave in the continuous bandwidth in the frequency band or SRS are carried out power extraction.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.

Claims (25)

1.一种上行测量参考信号发送控制方法，其特征在于，包括：1. A method for controlling transmission of an uplink measurement reference signal, characterized in that, comprising: 若用户设备在当前子帧内，上行分量载波之间有测量参考信号(SRS)与物理上行共享信道(PUSCH)，或者，有SRS与非截短结构的物理上行控制信道(PUCCH)，或者，有SRS、PUSCH及PUCCH同时发送，则所述用户设备计算当前子帧内同时发送上述各物理信道和SRS的发射功率之和，若所述发射功率之和大于所述用户设备配置的最大发射功率，则进行功率削减。If the user equipment is in the current subframe, there is a measurement reference signal (SRS) and a physical uplink shared channel (PUSCH) between the uplink component carriers, or there is an SRS and a physical uplink control channel (PUCCH) with a non-truncated structure, or, If SRS, PUSCH, and PUCCH are sent at the same time, the user equipment calculates the sum of the transmission powers of the above-mentioned physical channels and SRSs simultaneously transmitted in the current subframe, if the sum of the transmission powers is greater than the maximum transmission power configured by the user equipment , the power reduction is performed. 2.如权利要求1所述的方法，其特征在于，所述同时发送的SRS或PUCCH或PUSCH为一个或多个。2. The method according to claim 1, wherein there are one or more SRSs, PUCCHs, or PUSCHs to be sent simultaneously. 3.如权利要求1所述的方法，其特征在于，所述进行功率削减包括：对同时发送的各物理信道及SRS进行等比例功率削减，或者，根据同时发送的所述各物理信道和SRS之间的优先级进行功率削减，或者，根据同时发送的所述各物理信道及SRS上携带的各信号的优先级进行功率削减；或者，丢弃所述SRS。3. The method according to claim 1, wherein the performing power reduction comprises: performing proportional power reduction on each physical channel and SRS transmitted at the same time, or performing power reduction according to the simultaneously transmitted physical channels and SRS or perform power reduction according to the priorities of the signals carried on the physical channels and SRSs that are sent simultaneously; or discard the SRSs. 4.如权利要求3所述的方法，其特征在于，对同时发送的各物理信道及SRS进行等比例功率削减包括：4. The method according to claim 3, wherein performing proportional power reduction on each physical channel and SRS sent simultaneously comprises: 将同时发送的所述SRS与各物理信道的发射功率与统一的功率控制因子相乘，控制所述功率控制因子的取值，等比例的降低所述同时发送的各物理信道及SRS的发射功率。Multiplying the transmission power of the SRS and each physical channel sent at the same time by a unified power control factor, controlling the value of the power control factor, and reducing the transmission power of each physical channel and SRS sent at the same time in proportion . 5.如权利要求3所述的方法，其特征在于，所述根据同时发送的所述各物理信道和SRS之间的优先级进行功率削减包括：5. The method according to claim 3, wherein said performing power reduction according to the priorities between said physical channels and SRSs sent at the same time comprises: 根据各物理信道和SRS的优先级，将优先级最低的物理信道或SRS的发射功率乘以功率控制因子，控制所述功率控制因子的取值降低优先级最低的物理信道或SRS的发射功率，如果优先级最低的物理信道或SRS的发射功率削减至零时当前子帧内发射功率之和仍大于所述最大发射功率，则继续削减优先级高一级的物理信道或SRS的发射功率，依次类推。According to the priority of each physical channel and SRS, the transmission power of the physical channel or SRS with the lowest priority is multiplied by a power control factor, and the value of the power control factor is controlled to reduce the transmission power of the physical channel or SRS with the lowest priority, If the sum of the transmit power in the current subframe is still greater than the maximum transmit power when the transmit power of the physical channel or SRS with the lowest priority is reduced to zero, then continue to reduce the transmit power of the physical channel or SRS with a higher priority, in turn analogy. 6.如权利要求3所述的方法，其特征在于，所述根据同时发送的所述各物理信道和SRS之间的优先级进行功率削减包括：6. The method according to claim 3, wherein the performing power reduction according to the priorities between the simultaneously transmitted physical channels and the SRS comprises: 根据各物理信道和SRS的优先级，首先将优先级最低的物理信道或SRS的发射功率削减至零，如果当前子帧内发射功率之和仍大于所述最大发射功率，则削减优先级高一级的物理信道或SRS的发射功率至零，依次类推。According to the priority of each physical channel and SRS, firstly reduce the transmission power of the physical channel or SRS with the lowest priority to zero, if the sum of the transmission power in the current subframe is still greater than the maximum transmission power, then the reduction priority is one higher level physical channel or SRS transmit power to zero, and so on. 7.如权利要求3、5或6所述的方法，其特征在于，所述各物理信道和SRS之间的优先级从高至低排列如下：7. The method according to claim 3, 5 or 6, wherein the priorities between the physical channels and the SRS are arranged as follows from high to low: PUCCH、SRS、PUSCH；PUCCH, SRS, PUSCH; 或者，SRS、PUCCH、PUSCH；Or, SRS, PUCCH, PUSCH; 或者，PUCCH、PUSCH、SRS；Or, PUCCH, PUSCH, SRS; 或者，携带有上行控制信息的PUSCH、SRS、未携带上行控制信息的PUSCH；Or, PUSCH, SRS carrying uplink control information, or PUSCH not carrying uplink control information; 或者，PUCCH、携带有上行控制信息的PUSCH、SRS、未携带上行控制信息的PUSCH。Or, PUCCH, PUSCH carrying uplink control information, SRS, and PUSCH not carrying uplink control information. 8.如权利要求3所述的方法，其特征在于，所述根据同时发送的所述各物理信道及SRS上携带的各信号的优先级进行功率削减包括：8. The method according to claim 3, wherein said performing power reduction according to the priority of each signal carried on said physical channels and SRSs sent at the same time comprises: 根据各物理信道上携带的信号和SRS的优先级，将携带信号优先级最低的物理信道或SRS的发射功率乘以功率控制因子，控制所述功率控制因子的取值，降低携带信号优先级最低的物理信道或SRS的发射功率，如果携带信号优先级最低的物理信道或SRS的发射功率削减至零时当前子帧内发射功率之和仍大于所述最大发射功率，则继续削减携带信号优先级高一级的物理信道或SRS的发射功率，依次类推。According to the priority of the signal and SRS carried on each physical channel, the transmission power of the physical channel or SRS with the lowest priority of the signal carried is multiplied by the power control factor, and the value of the power control factor is controlled to reduce the minimum priority of the signal carried. If the transmission power of the physical channel or SRS with the lowest signal priority is reduced to zero and the sum of the transmission power in the current subframe is still greater than the maximum transmission power, continue to reduce the priority of the signal carrying The transmission power of a higher-level physical channel or SRS, and so on. 9.如权利要求3所述的方法，其特征在于，所述根据同时发送的所述各物理信道及SRS上携带的各信号的优先级进行功率削减包括：9. The method according to claim 3, wherein said performing power reduction according to the priority of each signal carried on said physical channels and SRSs sent at the same time comprises: 根据各物理信道上携带信号和SRS的优先级，首先将携带信号优先级最低的物理信道或SRS的功率削减至零，如果当前子帧内发射功率之和仍大于所述最大发射功率，则削减携带信号优先级高一级的物理信道或SRS的发射功率至零，依次类推。According to the priorities of the signals and SRSs carried on each physical channel, first reduce the power of the physical channel or SRS with the lowest priority to zero. If the sum of the transmission power in the current subframe is still greater than the maximum transmission power, then reduce The transmit power of the physical channel or SRS carrying a signal with one level higher priority is set to zero, and so on. 10.如权利要求3所述的方法，其特征在于，所述各物理信道上携带的各信号及SRS的优先级按照所述各物理信道上携带的各信号及SRS对系统性能的影响程度确定。10. The method according to claim 3, wherein the priority of each signal and SRS carried on each physical channel is determined according to the influence degree of each signal and SRS carried on each physical channel to system performance . 11.如权利要求5、6、8或9所述的方法，其特征在于，若多个物理信道和/或SRS处于同一优先级，或者，多个物理信道其携带信号和/或SRS处于同一优先级，对该优先级下的物理信道和/或SRS进行功率削减时，按等比例进行削减。11. The method according to claim 5, 6, 8 or 9, wherein if multiple physical channels and/or SRSs are at the same priority level, or multiple physical channels carry signals and/or SRSs are at the same Priority, when power reduction is performed on physical channels and/or SRSs under this priority, the power reduction is performed in equal proportions. 12.如权利要求3所述的方法，其特征在于，若丢弃所述SRS后，所述发射功率之和仍大于所述最大发射功率，则按照R10版本LTE标准36.213中的功率削减方法继续进行功率削减。12. The method according to claim 3, wherein if the sum of the transmit powers is still greater than the maximum transmit power after the SRS is discarded, proceed according to the power reduction method in the R10 version LTE standard 36.213 Power cuts. 13.如权利要求1至6、8、9、10和12任一所述的方法，其特征在于，所述上行分量载波间为频带间载波聚合或频带内连续载波聚合或频带内非连续载波聚合。13. The method according to any one of claims 1 to 6, 8, 9, 10 and 12, wherein the uplink component carriers are inter-band carrier aggregation or intra-band continuous carrier aggregation or intra-band non-continuous carrier polymerization. 14.如权利要求3所述的方法，其特征在于，当所述上行分量载波间为频带间载波聚合时，所述用户设备在所述发射功率之和大于所述用户设备配置的最大发射功率时进行功率削减之前或之后还执行：14. The method according to claim 3, wherein when the uplink component carriers are inter-band carrier aggregation, the sum of the transmission power of the user equipment is greater than the maximum transmission power configured by the user equipment Also execute before or after power reduction when: 判断频带内连续带宽的上行分量载波上所述同时发送的各物理信道和SRS的发射总功率满足预设条件时，使用R10版本LTE标准36.213中的功率削减方法对频带内连续带宽内的上行分量载波上的物理信道或SRS进行功率削减。When it is judged that the total transmission power of the simultaneously transmitted physical channels and SRS on the uplink component carrier with continuous bandwidth in the frequency band meets the preset conditions, use the power reduction method in the R10 version LTE standard 36.213 to control the uplink components in the continuous bandwidth in the frequency band. The physical channel or SRS on the carrier performs power reduction. 15.如权利要求14所述的方法，其特征在于，所述预设条件为：频带内连续带宽内的上行分量载波的所述发射总功率大于当前使用的功率放大器允许的最大发射功率；15. The method according to claim 14, wherein the preset condition is: the total transmission power of the uplink component carriers within the continuous bandwidth within the frequency band is greater than the maximum transmission power allowed by the currently used power amplifier; 所述对频带内连续带宽内的上行分量载波上的物理信道或SRS进行功率削减包括：将频带内连续带宽内的上行分量载波上的物理信道或SRS的发射功率进行削减至不大于当前使用的功率放大器的最大功率。The power reduction of the physical channel or SRS on the uplink component carrier within the continuous bandwidth within the frequency band includes: reducing the transmission power of the physical channel or SRS on the uplink component carrier within the continuous bandwidth within the frequency band to not greater than the currently used The maximum power of the power amplifier. 16.一种用户设备，其特征在于，所述用户设备包括比较单元和功率削减单元，其中：16. A user equipment, characterized in that the user equipment includes a comparison unit and a power reduction unit, wherein: 所述比较单元用于：当前子帧内，上行分量载波上有测量参考信号(SRS)与物理上行共享信道(PUSCH)，或者，有SRS与非截短结构的物理上行控制信道(PUCCH)，或者，有SRS、PUSCH及PUCCH同时发送时，计算当前子帧内同时发送的上述各物理信道和SRS的发射功率之和，若所述发射功率之和大于用户设备配置的最大发射功率，则通知所述功率削减单元进行功率削减；The comparison unit is used for: in the current subframe, there is a measurement reference signal (SRS) and a physical uplink shared channel (PUSCH) on the uplink component carrier, or there is an SRS and a physical uplink control channel (PUCCH) with a non-truncated structure, Or, when SRS, PUSCH, and PUCCH are sent at the same time, calculate the sum of the transmission powers of the above-mentioned physical channels and SRSs sent at the same time in the current subframe, and if the sum of the transmission powers is greater than the maximum transmission power configured by the user equipment, notify The power reduction unit performs power reduction; 所述功率削减单元用于：接收到所述比较单元的通知时，进行功率削减。The power reduction unit is configured to perform power reduction when receiving the notification from the comparison unit. 17.如权利要求16所述的用户设备，其特征在于，所述同时发送的SRS或PUCCH或PUSCH为一个或多个。17. The user equipment according to claim 16, wherein the number of SRS or PUCCH or PUSCH to be sent simultaneously is one or more. 18.如权利要求16所述的用户设备，其特征在于，所述功率削减单元用于按如下方法之一进行功率削减：对同时发送的各物理信道及SRS进行等比例功率削减，或者，根据同时发送的所述各物理信道和SRS之间的优先级进行功率削减，或者，根据同时发送的所述各物理信道及SRS上携带的信号的优先级进行功率削减；或者，丢弃所述SRS，若丢弃所述SRS后发射功率之和仍大于所述最大发射功率，则继续进行功率削减，所述各物理信道包括PUCCH和/或PUSCH。18. The user equipment according to claim 16, wherein the power reduction unit is configured to perform power reduction according to one of the following methods: perform proportional power reduction on each physical channel and SRS transmitted at the same time, or, according to Performing power reduction according to the priorities between the physical channels and SRSs sent at the same time, or performing power reductions according to the priorities of the signals carried on the physical channels and SRSs sent at the same time; or discarding the SRS, If the sum of the transmit powers is still greater than the maximum transmit power after the SRS is discarded, power reduction is continued, and the physical channels include PUCCH and/or PUSCH. 19.如权利要求18所述的用户设备，其特征在于，所述功率削减单元是用于：19. The user equipment according to claim 18, wherein the power reduction unit is configured to: 将优先级最低或者携带的信号优先级最低的物理信道或SRS的发射功率乘以功率控制因子，控制所述功率控制因子的取值降低所述优先级最低或携带的信号优先级最低的物理信道或SRS的发射功率，如果优先级最低或携带的信号优先级最低的物理信道或SRS的发射功率削减至零时当前子帧内发射功率之和仍大于所述最大发射功率，则继续削减优先级高一级或携带的信号的优先级高一级的物理信道或SRS的发射功率，依次类推。Multiply the transmission power of the physical channel or SRS with the lowest priority or the lowest priority signal carried by the power control factor, and control the value of the power control factor to reduce the physical channel with the lowest priority or the lowest signal priority carried by the physical channel Or the transmission power of SRS, if the transmission power of the physical channel with the lowest priority or the signal carrying the lowest priority or the transmission power of SRS is reduced to zero, the sum of the transmission power in the current subframe is still greater than the maximum transmission power, continue to reduce the priority The transmission power of the physical channel or the SRS with a higher level or higher priority of the signal carried, and so on. 20.如权利要求18所述的用户设备，其特征在于，所述功率削减单元是用于：根据各物理信道和SRS的优先级，首先将优先级最低或携带的信号优先级最低的物理信道或SRS的功率削减至零，如果当前子帧内发射功率之和仍大于所述最大发射功率，则削减优先级高一级或者携带的信号的优先级高一级的物理信道或SRS的功率至零，依次类推。20. The user equipment according to claim 18, wherein the power reduction unit is configured to: according to the priority of each physical channel and the SRS, first reduce the physical channel with the lowest priority or the lowest priority of the signal carried or the power of the SRS is reduced to zero, and if the sum of the transmit power in the current subframe is still greater than the maximum transmit power, the power of the physical channel or the SRS with a higher priority or a signal carried with a higher priority is reduced to zero, and so on. 21.如权利要求18、19或20所述的用户设备，其特征在于，所述各物理信道和SRS之间的优先级从高至低排列如下：21. The user equipment according to claim 18, 19 or 20, wherein the priorities between the physical channels and the SRS are arranged as follows from high to low: PUCCH、SRS、PUSCH；PUCCH, SRS, PUSCH; 或者，SRS、PUCCH、PUSCH；Or, SRS, PUCCH, PUSCH; 或者，PUCCH、PUSCH、SRS；Or, PUCCH, PUSCH, SRS; 或者，携带有上行控制信息的PUSCH、SRS、未携带上行控制信息的PUSCH；Or, PUSCH, SRS carrying uplink control information, or PUSCH not carrying uplink control information; 或者，PUCCH、携带有上行控制信息的PUSCH、SRS、未携带上行控制信息的PUSCH。Or, PUCCH, PUSCH carrying uplink control information, SRS, and PUSCH not carrying uplink control information. 22.如权利要求18所述的用户设备，其特征在于，所述各物理信道上携带的各信号及SRS的优先级按照所述各物理信道及SRS上携带的信号对系统性能的影响程度确定。22. The user equipment according to claim 18, wherein the priority of each signal carried on each physical channel and the SRS is determined according to the degree of influence of the signals carried on each physical channel and SRS on system performance . 23.如权利要求19或20所述的用户设备，其特征在于，所述功率削减单元还用于：若多个物理信道和/或SRS处于同一优先级，或者，多个物理信道其携带信号和/或SRS处于同一优先级，对该优先级下的物理信道和/或SRS进行功率削减时，按等比例进行削减。23. The user equipment according to claim 19 or 20, wherein the power reduction unit is further configured to: if multiple physical channels and/or SRSs are at the same priority, or multiple physical channels carry signals and/or the SRS are at the same priority, and when the power reduction is performed on the physical channel and/or the SRS under the priority, the power reduction is performed in an equal proportion. 24.如权利要求18所述的用户设备，其特征在于，所述功率削减单元是用于：丢弃所述SRS后所述发射功率之和仍大于所述最大发射功率时，按照R10版本LTE标准36.213中的功率削减方法继续进行功率削减。24. The user equipment according to claim 18, wherein the power reduction unit is configured to: when the sum of the transmit powers is still greater than the maximum transmit power after discarding the SRS, according to the R10 version of the LTE standard The power reduction method in 36.213 continues to perform power reduction. 25.如权利要求18所述的用户设备，其特征在于，所述用户设备还包括第二比较单元和第二功率削减单元，其中：25. The user equipment according to claim 18, further comprising a second comparison unit and a second power reduction unit, wherein: 所述第二比较单元用于：当所述上行分量载波间为频带间载波聚合时，在所述功率削减单元进行功率削减之前或之后还执行：判断频带内连续带宽内的上行分量载波上所述同时发送的各物理信道和SRS的发射总功率是否大于当前使用的功率放大器的最大功率，如果是，通知第二功率削减单元；The second comparison unit is configured to: when the uplink component carriers are inter-band carrier aggregation, before or after the power reduction unit performs power reduction, further perform: judging the uplink component carriers in the continuous bandwidth within the frequency band Whether the transmission total power of each physical channel and SRS transmitted at the same time is greater than the maximum power of the currently used power amplifier, if yes, notify the second power reduction unit; 所述第二功率削减单元用于：接收到所述第二比较单元的通知时，使用R10版本LTE标准36.213中的功率削减方法对频带内连续带宽内的上行分量载波上的物理信道或SRS进行功率削减。The second power reduction unit is configured to: when receiving the notification from the second comparison unit, use the power reduction method in the R10 version LTE standard 36.213 to perform physical channel or SRS on the uplink component carrier within the continuous bandwidth within the frequency band Power cuts.
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