CN105282837A - Power control method, user equipment, base station, and power control system - Google Patents

Power control method, user equipment, base station, and power control system Download PDF

Info

Publication number
CN105282837A
CN105282837A CN201410262075.7A CN201410262075A CN105282837A CN 105282837 A CN105282837 A CN 105282837A CN 201410262075 A CN201410262075 A CN 201410262075A CN 105282837 A CN105282837 A CN 105282837A
Authority
CN
China
Prior art keywords
power
pusch
pucch
repeating
represent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410262075.7A
Other languages
Chinese (zh)
Other versions
CN105282837B (en
Inventor
陈宪明
戴博
鲁照华
夏树强
刘锟
石靖
方惠英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201410262075.7A priority Critical patent/CN105282837B/en
Priority to PCT/CN2014/087271 priority patent/WO2015188513A1/en
Publication of CN105282837A publication Critical patent/CN105282837A/en
Application granted granted Critical
Publication of CN105282837B publication Critical patent/CN105282837B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/12Outer and inner loops

Abstract

The invention discloses a power control method, user equipment, a base station, and a power control system. The method comprises the steps as follows: when the number of retransmission times of physical uplink shared channel (PUSCH) data is greater than K(PUSCH), sending the retransmitted PUSCH data at power smaller than or equal to the maximum transmitted power; and when the number of retransmission times of physical uplink control channel (PUCCH) data is greater than K(PUCCH), sending the retransmitted PUCCH data at power smaller than or equal to the maximum transmitted power, wherein K(PUSCH) and K(PUCCH) are predefined values.

Description

Poewr control method, subscriber equipment, base station and system
Technical field
The present invention relates to wireless communication technology, be specifically related to a kind of Poewr control method, subscriber equipment, base station and system.
Background technology
Machine type communication (MTC, MachineTypeCommunication) also known as machine to machine (M2M, MachineToMachine) subscriber equipment (UE, UserEquipment) or terminal are the main application forms of present stage Internet of Things.Low power consumption and low cost is that it can the important leverage of large-scale application.Current M2M technology has obtained the support of international well-known manufacturer and the accreditations of various countries mobile operator such as NEC, HP, CA, Intel, IBM, AT & T.The M2M equipment of existing market deploy is mainly based on global mobile communication (GSM, GlobalSystemofMobilecommunication) system.In recent years, because the spectrum efficiency of Long Term Evolution (LTE, LongTermEvolution) is high, more and more mobile operator selects LTE as the evolution tendency of future broadband wireless communication system.M2M data service based on LTE also will be more attractive.
But, the power control mechanism of correlation technique under MTC coverage enhancement scene, exist subscriber equipment efficiency low, be unfavorable for the problem that subscriber equipment economizes on electricity.
Summary of the invention
The embodiment of the present invention provides a kind of Poewr control method, subscriber equipment, base station and system, solves the power control mechanism of correlation technique under MTC coverage enhancement scene, exist subscriber equipment efficiency low, be unfavorable for the problem that subscriber equipment economizes on electricity.
The technical scheme of the embodiment of the present invention is achieved in that
The embodiment of the present invention provides a kind of Poewr control method, and described method comprises:
When the iterative transfer times of Physical Uplink Shared Channel (PUSCH) data is greater than K pUSCHtime, the PUSCH data repeating to transmit are sent with the power being less than or equal to maximum transmission power;
When the iterative transfer times of Physical Uplink Control Channel (PUCCH) data is greater than K pUCCHtime, the PUCCH data repeating to transmit is sent with the power being less than or equal to maximum transmission power;
Wherein, described K pUSCHand K pUCCHfor predefine value.
The embodiment of the present invention provides a kind of Poewr control method, and described method comprises:
When the iterative transfer times of the road PUSCH data of subscriber equipment is greater than K pUSCHtime, the power contorl parameters of the PUSCH data that what notifying user equipment was proprietary repeat transmits;
When the iterative transfer times of the road PUCCH data of subscriber equipment is greater than K pUCCHtime, the power contorl parameters of the PUCCH data that what notifying user equipment was proprietary repeat transmits;
Wherein, described K pUSCHand K pUCCHfor predefine value.
The embodiment of the present invention provides a kind of subscriber equipment, and described subscriber equipment comprises:
Detecting unit and transmitter unit; Wherein,
Described detecting unit, for detecting that the iterative transfer times of PUSCH data is greater than K pUSCHtime, trigger described transmitter unit and send the PUSCH data repeating to transmit with the power being less than or equal to maximum transmission power; Detecting that the iterative transfer times of PUCCH data is greater than K pUCCHtime, trigger described transmitter unit and send the PUCCH data repeating to transmit with the power being less than or equal to maximum transmission power;
Wherein, described K pUSCHand K pUCCHfor predefine value.
The embodiment of the present invention provides a kind of base station, and described base station comprises: the second determining unit and the second transmitter unit; Wherein,
Described second determining unit, is greater than K for the iterative transfer times when subscriber equipment PUSCH data pUSCHtime, determine the power contorl parameters repeating the PUSCH data transmitted that described subscriber equipment is proprietary; When the iterative transfer times of the PUCCH data of subscriber equipment is greater than or K pUCCHtime, determine the power contorl parameters repeating the PUCCH data transmitted that described subscriber equipment is proprietary;
Described second transmitter unit, for being transferred to corresponding subscriber equipment by described power contorl parameters.
Wherein, described K pUSCHand K pUCCHfor predefine value.
The embodiment of the present invention provides a kind of power control system, and described system comprises:
Subscriber equipment, is greater than K for the iterative transfer times when PUSCH data pUSCHtime, the PUSCH data repeating to transmit are sent with the power being less than or equal to maximum transmission power; When the iterative transfer times of PUCCH data is greater than K pUCCHtime, the PUCCH data repeating to transmit is sent with the power being less than or equal to maximum transmission power;
Wherein, described K pUSCHand K pUCCHfor predefine value.
In the embodiment of the present invention, when the iterative transfer times of PUSCH data is greater than K pUSCHtime, the PUSCH data repeating to transmit are sent with the power being less than or equal to maximum transmission power; When the iterative transfer times of PUCCH data is greater than K pUCCHtime, the PUCCH data repeating to transmit is sent with the power being less than or equal to maximum transmission power; Avoiding problems subscriber equipment always with the problem of maximum power transmission, solve relevant power control mechanism and under MTC coverage enhancement scene, reduce subscriber equipment efficiency and be unfavorable for the problem that subscriber equipment economizes on electricity.
Accompanying drawing explanation
Fig. 1 is the realization flow schematic diagram one of Poewr control method in the embodiment of the present invention;
Fig. 2 is the realization flow schematic diagram two of Poewr control method in the embodiment of the present invention;
Fig. 3 is the functional structure chart of subscriber equipment in the embodiment of the present invention;
Fig. 4 is the functional structure chart of base station in the embodiment of the present invention;
Fig. 5 is the schematic diagram of power control system in the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The power control mechanism of the Physical Uplink Control Channel (PUCCH, PhysicalUplinkControlChannel) of existing LTE system is as shown in following equation:
P T,PUCCH=min{P MAX,P O_PUCCH+PL DLFormatPUCCH},(1)
Wherein, P t, PUCCHrepresent the actual emission power of PUCCH data, unit is dBm (dBm), P mAXrepresent the transmitting power (unit is dBm, such as 23dBm) that subscriber equipment is maximum, P o_PUCCHrepresent the expectation received power of the PUCCH data once transmitted, P o_PUCCHfor the nominal parameter P of the community being informed subscriber equipment by high-level signaling proprietary (Cell-specific) o_NOMINAL_PUCCH, with the parameter P of subscriber equipment proprietary (UE-specific) o_UE_PUCCH(unit is dBm) add and, PL dLrepresent the descending path loss (unit is dB) that subscriber equipment is estimated, Δ formatthe power bias (unit be dB) relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command (unit is dB) of automatic network.
The power control mechanism of the Physical Uplink Shared Channel (PUSCH, PhysicalUplinkSharedChannel) of existing LTE system is as shown in following equation:
P T,PUSCH=min{P MAX,P O_PUSCH+α·PL DL+10·log 10(M)+Δ MCSPUSCH},(2)
Wherein, P t, PUSCHrepresent the actual emission power (unit is dBm) of PUSCH data, P mAXrepresent maximum user equipment transmitting power (unit is dBm, such as 23dBm), P o_PUSCHrepresent the expectation received power of the PUSCH data once transmitted, P o_PUSCHequal to be informed by high-level signaling the nominal parameter P of the community proprietary (Cell-specific) of subscriber equipment o_NOMINAL_PUSCHwith the parameter P of subscriber equipment proprietary (UE-specific) o_UE_PUSCHand, α=1 represent system-wide damage compensate, α <1 expressed portion divides path loss to compensate, the path loss namely increased not by the increase full remuneration of corresponding transmitting power, PL dLrepresent the descending path loss (unit is dB) that subscriber equipment is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the Modulation and Coding Scheme (MCS, ModulationandCodingScheme) of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
In actual applications, the closed loop power control command field controlled for PUSCH or PUCCH data power comprises 2 bits or 1 bit, corresponding to 4 kinds (corresponding 2 bits) or 2 kinds of value sizes (corresponding 1 bit), and described δ pUSCHfor the concrete value corresponding to the closed loop power control command field of PUSCH data power control, and described δ pUCCHfor the concrete value corresponding to the closed loop power control command field of PUCCH data power control.
Because some MTC subscriber equipmenies are the basements being installed in house, or by aluminum window or the building structure of traditional thick wall the position of covering, compared with normal LTE subscriber equipment, these subscriber equipmenies can experience quite serious penetration loss on radio frequency interface, thus need the covering strengthening MT reconnaissance C subscriber equipment to realize normal transfer of data.Particularly, the uplink physical channel strengthened is needed to comprise Physical Uplink Shared Channel PUSCH and Physical Uplink Control Channel PUCCH two channels.Wherein, the method that repeats to transmit (for up, described repeat to transmit be specially PUSCH or PUCCH repeat transmit) enhancing that covers of the energy thus realize that is normally used for accumulating enough useful signal.
Due to the power control mechanism in correlation technique be only be preferably PUSCH data or PUCCH data once transmission and design, too much consider or optimize the situation that PUSCH data or PUCCH data repeat to transmit, and under MTC coverage enhancement scene, the descending path loss PL that subscriber equipment is estimated or measured dLnormally extremely large, if so repeat still to continue to use in transmission situation correlation technique PUCCH and the PUSCH power control mechanism shown in equation (1) and (2) is provided, subscriber equipment is by being used in all subframes that PUCCH and PUSCH repeat to transmit all the time with maximum power P mAXlaunch PUCCH and PUSCH data.Consider control overhead, the subscriber equipment being in MTC coverage enhancement pattern can not support PUCCH or PUSCH number of repetition potential arbitrarily.For PUSCH, imagine the maximum transmission power P according to subscriber equipment mAXand the covering expected, the PUSCH number of repetition of certain MTC subscriber equipment institute actual needs is X time, but, because subscriber equipment is not supported X time, only support that the PUSCH of Y time repeats transmission, wherein, Y is all minimum values be greater than in the PUSCH iterative transfer times of X of subscriber equipment support, in this case, in order to meet covering performance demand, subscriber equipment can only be selected to perform Y PUSCH and repeat transmission; But, this by cause below Y-X time of subscriber equipment repeat transmit in unnecessary power consumption, thus reduce the efficiency of subscriber equipment, be finally unfavorable for the economize on electricity of subscriber equipment.In addition, for PUCCH repeat transmission, similar problem exists equally.
The embodiment of the present invention records a kind of Poewr control method, can be applied to the subscriber equipment (also can be understood as terminal) of MTC coverage enhancement scene, and as shown in Figure 1, the Poewr control method that the embodiment of the present invention is recorded comprises the following steps:
Step 101, when the iterative transfer times of PUSCH data is greater than K pUSCHtime, the PUSCH data repeating to transmit are sent with the power being less than or equal to maximum transmission power.
Step 102, when the iterative transfer times of PUCCH data is greater than K pUCCHtime, the PUCCH data repeating to transmit is sent with the power being less than or equal to maximum transmission power.
Wherein, described K pUSCHand K pUCCHfor predefine value.
As an execution mode, before described transmission repeats the PUSCH data transmitted, described method also comprises:
Transmit the power contorl parameters of PUSCH data according to repeating or repeat to transmit the iterative transfer times N of PUSCH data pUSCH, determine the actual emission power repeating the PUSCH data transmitted.
As an execution mode, the described power contorl parameters repeating the PUSCH data transmitted comprises:
The parameter that the subscriber equipment of network advertisement is proprietary.
As an execution mode, the parameter that described subscriber equipment is proprietary, comprising:
Aim at and repeat to transmit the parameter set by PUSCH data;
Described aim at repeat the parameter transmitted set by PUSCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUSCH data o_RPUSCH; Repeat to transmit road loss compensation factor α corresponding to PUSCH data rPUSCH;
Repeat the first power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUSCH_OFFSET_2; Wherein, the unit of above-mentioned first power offset parameter and the second power offset parameter is decibel (dB) and value is less than or equal to 0.
As an execution mode, the described power contorl parameters according to repeating the PUSCH data transmitted determines the actual emission power repeating the PUSCH data transmitted, and comprising:
According to the expectation received power P repeating the PUSCH data transmitted o_RPUSCHparameter and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH}
Wherein, P t, RPUSCHrepresent the actual emission power (unit is dBm) repeating to transmit PUSCH data, P mAXrepresent maximum transmitting power (unit is dBm, as 23dBm), P o_RPUSCHrepresent the expectation received power (unit is dBm) repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the Modulation and Coding Scheme MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.In practical situations both, the received power P of the expectation of the PUSCH data transmitted is repeated o_RPUSCHbe usually less than-100dBm, so parameter P o_RPUSCHspan should keep enough expansions.
As an execution mode, the described power contorl parameters according to repeating the PUSCH data transmitted, determine the actual emission power repeating the PUSCH data transmitted, comprising:
According to the road loss compensation factor α repeating the PUSCH data transmitted rPUSCHand following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_PUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_PUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor of PUSCH data repeating to transmit, M represents the Resource Block quantity that PUSCH transfer of data takies, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, the described power contorl parameters according to repeating the PUSCH data transmitted, determine the actual emission power repeating the PUSCH data transmitted, comprising:
According to repeating the expectation received power P transmitting PUSCH data o_PUSCHwith the road loss compensation factor parameter alpha repeating the PUSCH data transmitted rPUSCH, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor repeating the PUSCH data transmitted, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, the described power contorl parameters according to repeating the PUSCH data transmitted, determine the actual emission power repeating the PUSCH data transmitted, comprising:
According to the first power offset parameter P repeating the PUSCH data transmitted rPUSCH_OFFSET_1, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P'+P RPUSCH_OFFSET_1}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, the described power contorl parameters according to repeating the PUSCH data transmitted, determine the actual emission power repeating the PUSCH data transmitted, comprising:
According to the second power offset parameter P repeating the PUSCH data transmitted rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=P'+P RPUSCH_OFFSET_2
P'=min{P MAX,P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH};
Or, according to the second power offset parameter P repeating the PUSCH data transmitted rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=P MAX+P RPUSCH_OFFSET_2
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, P rPUSCH_OFFSET_2represent the second power offset parameter repeating the PUSCH data transmitted, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
For following formula,
P T,RPUSCH=P'+P RPUSCH_OFFSET_2
P'=min{P MAX,P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH},
Because P' wherein can be regarded as the transmitting power of the PUSCH data once transmitted, then further contemplate the extremely large path loss PL under MTC coverage enhancement scene dLby the transmitting power P causing P' to equal maximum all the time mAX, so above equation is equivalent to:
P t, RPUSCH=P mAX+ P rPUSCH_OFFSET_2; Consider the actual emission power P repeating the PUSCH data transmitted t, RPUSCHwith maximum user equipment transmitting power P mAXusual difference is little, and institute thinks the control overhead that saving is descending, described second power offset parameter P rPUSCH_OFFSET_2value do not need to support enough large expansion.
Due to the extremely large descending path loss PL under MTC coverage enhancement scene dLand the concrete value δ corresponding to existing closed loop power control command field pUSCHthere is low-down expansion, so δ pUSCHsize can not equal maximum power P all the time to above-mentioned P' mAXhave an impact, thus existing closed loop power control command will lose meaning in this case; Therefore, for the subscriber equipment under MTC coverage enhancement scene, existing closed loop power control command field can be reused work second power bias P by network rPUSCH_OFFSET_2field.
Subscriber equipment determines according to the power contorl parameters repeating the PUSCH data transmitted carrying out automatic network the transmitting power P repeating the PUSCH data transmitted t, RPUSCH, this is conducive to network and adjusts according to the measurement result (the lasting statistics such as in continuous time section and average) to interference and noise and path loss the iterative transfer times N determined in time pUSCHthe transmitting power of lower subscriber equipment, thus improve the flexibility of uplink power control, and be conducive to economize on electricity.
As an execution mode, the described power contorl parameters according to repeating the PUSCH data transmitted, determine the actual emission power repeating the PUSCH data transmitted, comprising:
According to repeating the iterative transfer times N transmitting PUSCH data pUSCHand following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P'-10·log 10(N PUSCH)}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.Subscriber equipment is according to iterative transfer times N pUSCHdetermine the transmitting power P repeating the PUSCH data transmitted t, RPUSCH, this simplify the implementation complexity of network, and save descending control signaling expense.
As an execution mode, when launching frequency pilot sign, described method also comprises:
Described frequency pilot sign is launched with the transmitting power identical with the described PUSCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission, wherein, described frequency pilot sign is for estimating the channel fading profiles repeating the PUSCH data transmitted.
As an execution mode, before radio frequency resource controls (RRC, RadioResourceControl) connection establishment, described method also comprises:
The PUSCH data repeating to transmit are launched according to existing power control mechanism, or, the PUSCH data transmitted are repeated all the time with maximum power transmission.
As an execution mode, before described transmission repeats the PUCCH data transmitted, described method also comprises:
According to the power contorl parameters repeating the PUCCH data transmitted, or repeat the iterative transfer times N transmitting PUCCH data pUCCH, determine the transmitting power repeating the PUCCH data transmitted.
As an execution mode, the described power contorl parameters repeating to transmit PUCCH data comprises
The parameter that the subscriber equipment of network advertisement is proprietary.
As an execution mode, the parameter that described subscriber equipment is proprietary, comprising:
Aim at and repeat to transmit the parameter set by PUCCH data;
Described aim at repeat to transmit parameter set by PUCCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUCCH data o_RPUCCH; Repeat to transmit road loss compensation factor α corresponding to PUCCH data rPUCCH;
Repeat the first power offset parameter P of the PUCCH data transmitted rPUCCH_OFFSET_1, and repeat the second power offset parameter P of PUCCH data of transmitting rPUCCH_OFFSET_2; Wherein, the unit of above-mentioned first power offset parameter and the second power offset parameter is dB and value is less than or equal to 0.
As an execution mode, the described power contorl parameters according to repeating the PUCCH data transmitted determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to the received power P of expectation repeating the PUCCH data transmitted o_RPUCCHparameter and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DLFormatPUCCH},
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power (unit is dBm), P o_RPUCCHrepresent the received power (unit is dBm) of the expectation repeating the PUCCH data transmitted, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network; In practical situations both, the received power P of the expectation of the PUCCH data transmitted is repeated o_RPUCCHbe usually less than-100dBm, so P o_RPUCCHspan should keep enough expansions.
As an execution mode, the described power contorl parameters according to repeating the PUCCH data transmitted determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to the road loss compensation factor α repeating the PUCCH data transmitted rPUCCH, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_PUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating the PUCCH data transmitted, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, the described power contorl parameters according to repeating the PUCCH data transmitted determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to the received power P of expectation repeating the PUCCH data transmitted o_RPUCCH, repeat the road loss compensation factor α of PUCCH data that transmits rPUCCH, and following equation determine to repeat the actual emission power of the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation repeating the PUCCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating the PUCCH data transmitted, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, the described power contorl parameters according to repeating the PUCCH data transmitted determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to the first power offset parameter P repeating the PUCCH data transmitted rPUCCH_OFFSET_1, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P'+P RPUCCH_OFFSET_1}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, the described power contorl parameters according to repeating the PUCCH data transmitted determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to the second power offset parameter P repeating the PUCCH data transmitted rPUCCH_OFFSET_2and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P'+P RPUCCH_OFFSET_2
P'=min{P MAX,P O_PUCCH+PL DLFormatPUCCH},
Or according to following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P MAX+P RPUCCH_OFFSET_2
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
For following formula,
P T,RPUCCH=P'+P RPUCCH_OFFSET_2
P'=min{P MAX,P O_PUCCH+PL DLFormatPUCCH},
Because P' wherein can be regarded as the transmitting power of the PUCCH data once transmitted, then further contemplate the extremely large path loss PL under MTC coverage enhancement scene dLby the transmitting power P causing P' to equal maximum all the time mAX, so above equation is equivalent to:
P T,RPUCCH=P MAX+P RPUCCH_OFFSET_2
Consider the actual emission power P repeating the PUCCH data transmitted t, RPUCCHwith maximum user equipment transmitting power P mAXusual difference is little, and institute thinks the control overhead that saving is descending, described second power offset parameter P rPUCCH_OFFSET_2value do not need to support enough large expansion.
Due to the extremely large descending path loss PL under MTC coverage enhancement scene dLand the concrete value δ corresponding to existing closed loop power control command field pUCCHthere is low-down expansion, so δ pUCCHsize can not equal maximum power P all the time to above-mentioned P ' mAXhave an impact, that is, existing closed loop power control command will lose meaning in this case; Therefore, for the subscriber equipment under MTC coverage enhancement scene, existing closed loop power control command field can be reused work second power bias P by network rPUCCH_OFFSET_2field.
Subscriber equipment determines according to the power contorl parameters repeating the PUCCH data transmitted carrying out automatic network the transmitting power P repeating the PUCCH data transmitted t, RPUCCH, this is conducive to network and adjusts according to the measurement result (the lasting statistics such as in continuous time section and average) to interference and noise and path loss the iterative transfer times N determined in time pUCCHunder the transmitting power of subscriber equipment, thus improve the flexibility of uplink power control, and be conducive to economize on electricity.
As an execution mode, the described power contorl parameters according to repeating the PUCCH data transmitted determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to repeating the iterative transfer times N transmitting PUCCH data pUCCHand following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P'-10·log 10(N PUCCH)}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.Subscriber equipment is according to iterative transfer times N pUCCHdetermine the transmitting power P repeating the PUCCH data transmitted t, RPUCCH, this simplify the implementation complexity of network and save descending control signaling expense.
As an execution mode, when launching frequency pilot sign, described method also comprises:
Described frequency pilot sign is launched with the transmitting power identical with the described PUCCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission; Wherein, described frequency pilot sign is for estimating the channel fading profiles repeating the PUCCH data transmitted.
As an execution mode, before RRC connection establishment, described method also comprises:
The PUCCH data repeating to transmit is launched according to existing power control mechanism; Or, the PUCCH data transmitted is repeated all the time with maximum power transmission.
It should be noted that, about the selection of uplink power control mechanism, in specific implementation process, comprise following three kinds of modes: mode one, repeat the uplink power control mechanism of existing (aforementioned explain) that the PUCCH data transmitted provides according to correlation technique all the time or send with maximum power all the time, but the PUSCH data repeating to transmit can send according to new uplink power control mechanism of the present invention according to network configuration, to realize the optimization for the PUSCH transmission repeated; Mode two, the PUSCH data repeating to transmit are all the time according to having the uplink power control mechanism of (namely correlation technique provides) or sending with maximum power all the time, but the uplink power control mechanism that the PUCCH data repeating to transmit can be recorded according to the embodiment of the present invention according to network configuration sends, to realize the optimization for the PUCCH transmission repeated; 3rd, the uplink power control mechanism that PUCCH and the PUSCH data repeating to transmit can be recorded according to the embodiment of the present invention according to network configuration sends, to realize the optimization for the PUCCH repeated and PUSCH transmission.
With the Poewr control method shown in Fig. 1 accordingly, the embodiment of the present invention also records a kind of Poewr control method, the base station side (also can be understood as network side) under MTC coverage enhancement scene can be applied to, as shown in Figure 2, the Poewr control method following steps of embodiment of the present invention record:
Step 201, when the iterative transfer times of the PUSCH data of subscriber equipment is greater than K pUSCHtime, the power contorl parameters of the PUSCH data that what notifying user equipment was proprietary repeat transmits.
Step 202, when the iterative transfer times of the PUCCH data of subscriber equipment is greater than K pUCCHtime, the power contorl parameters of the PUCCH data that what notifying user equipment was proprietary repeat transmits.
Wherein, described K pUSCHand K pUCCHfor predefine value.
The execution of step 201 and step 202 in proper order in no particular order.
As an execution mode, the described power contorl parameters repeating transmission PUSCH data, comprising:
Aim at and repeat to transmit the parameter set by PUSCH data;
Described aim at repeat the parameter transmitted set by PUSCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUSCH data o_RPUSCH; Repeat to transmit road loss compensation factor α corresponding to PUSCH data rPUSCH;
Repeat the first power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUSCH_OFFSET_2.
As an execution mode, the described power contorl parameters repeating transmission PUCCH data, comprising:
Aim at and repeat to transmit the parameter set by PUCCH data;
Described aim at repeat to transmit parameter set by PUCCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUCCH data o_RPUCCH; Repeat to transmit road loss compensation factor α corresponding to PUCCH data rPUCCH;
Repeat the first power offset parameter P of the PUCCH data transmitted rPUCCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUCCH_OFFSET_2.
The embodiment of the present invention also records a kind of computer-readable storage medium, stores computer executable instructions in described computer-readable storage medium, and described computer executable instructions is for performing the Poewr control method shown in Fig. 1 or Fig. 2.
The embodiment of the present invention also records a kind of subscriber equipment, and as shown in Figure 3, described subscriber equipment comprises: detecting unit 31 and transmitter unit 32; Wherein,
Described detecting unit 31, for detecting that the iterative transfer times of PUSCH data is greater than K pUSCHtime, trigger described transmitter unit 32 and send the PUSCH data repeating to transmit with the power being less than or equal to maximum transmission power; Detecting that the iterative transfer times of PUCCH data is greater than K pUCCHtime, trigger described transmitter unit 32 and send the PUCCH data repeating to transmit with the power being less than or equal to maximum transmission power; Wherein, described K pUSCHand K pUCCHfor predefine value.
As an execution mode, described subscriber equipment also comprises:
First determining unit 33, for the iterative transfer times N of PUSCH data transmitted according to the power contorl parameters or repeat repeating the PUSCH data transmitted pUSCH, determine the actual emission power repeating the PUSCH data transmitted;
Described transmitter unit 32, also for launching the PUSCH data repeating to transmit according to described actual emission power.
As an execution mode, the described power contorl parameters repeating the PUSCH data transmitted comprises:
The parameter that the subscriber equipment of network advertisement is proprietary.
As an execution mode, the parameter that described subscriber equipment is proprietary, comprising:
Aim at and repeat to transmit the parameter set by PUSCH data;
Described aim at repeat the parameter transmitted set by PUSCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUSCH data o_RPUSCH; Repeat to transmit road loss compensation factor α corresponding to PUSCH data rPUSCH;
Repeat the first power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUSCH_OFFSET_2.
As an execution mode, described first determining unit 33, also for according to the received power P repeating the expectation transmitting PUSCH data o_RPUSCHparameter and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH}
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the expectation received power repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the Modulation and Coding Scheme MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for according to repeating the road loss compensation factor α transmitting PUSCH data rPUSCH, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_PUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_PUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor repeating the PUSCH data transmitted, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for according to the received power parameter P repeating the expectation transmitting PUSCH data o_PUSCHwith the road loss compensation factor parameter alpha repeating the PUSCH data transmitted rPUSCH, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor repeating the PUSCH data transmitted, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for according to repeating the first power offset parameter P transmitting PUSCH data rPUSCH_OFFSET_1, and following equation, determine the actual emission power repeating to transmit PUSCH data:
P T,RPUSCH=min{P MAX,P'+P RPUSCH_OFFSET_1}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for according to repeating the second power offset parameter P transmitting PUSCH data rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating to transmit PUSCH data:
P T,RPUSCH=P'+P RPUSCH_OFFSET_2
P'=min{P MAX,P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH};
Or, according to the second power offset parameter P repeating the PUSCH data transmitted rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=P MAX+P RPUSCH_OFFSET_2
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, P rPUSCH_OFFSET_2represent the second power offset parameter repeating the PUSCH data transmitted, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for according to repeating the iterative transfer times N transmitting PUSCH data pUSCHand following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P'-10·log 10(N PUSCH)}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described transmitter unit 32, also for when launching frequency pilot sign, launches described frequency pilot sign with the transmitting power identical with the described PUSCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission.
As an execution mode, described transmitter unit 32 also for before RRC connection establishment, launches the PUSCH data repeating to transmit according to existing power control mechanism, or, the PUSCH data transmitted are repeated all the time with maximum power transmission.
As an execution mode, described first determining unit 33, also for determining the transmitting power repeating the PUCCH data transmitted according to the power contorl parameters repeating to transmit PUCCH data; Or, according to repeating the iterative transfer times N transmitting PUCCH data pUCCH, determine the transmitting power repeating the PUCCH data transmitted.
As an execution mode, the parameter that the subscriber equipment that the described power contorl parameters repeating the PUCCH data transmitted comprises network advertisement is proprietary.
As an execution mode, the parameter that described subscriber equipment is proprietary, comprising:
Aim at and repeat to transmit the parameter set by PUCCH data;
Described aim at repeat to transmit parameter set by PUCCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUCCH data o_RPUCCH; Repeat to transmit road loss compensation factor α corresponding to PUCCH data rPUCCH;
Repeat the first power offset parameter P of the PUCCH data transmitted rPUCCH_OFFSET_1, and repeat the second power offset parameter P of PUCCH data of transmitting rPUCCH_OFFSET_2.
As an execution mode, described first determining unit 33, also for according to repeating the received power P of expectation transmitting PUCCH data o_RPUCCHparameter and following equation, determine the actual emission power repeating to transmit PUCCH data:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DLFormatPUCCH},
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation repeating the PUCCH data transmitted, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for according to the road loss compensation factor α of PUCCH data repeating to transmit rPUCCH, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_PUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating the PUCCH data transmitted, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for transmitting the expectation received power P of PUCCH data according to repeating o_RPUCCH, repeat to transmit the road loss compensation factor α of PUCCH data rPUCCHand following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation repeating the PUCCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating to transmit PUCCH data, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for transmitting the first power offset parameter P of PUCCH data according to repeating rPUCCH_OFFSET_1, and following equation, determine the actual emission power repeating to transmit PUCCH data:
P T,RPUCCH=min{P MAX,P'+P RPUCCH_OFFSET_1}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for transmitting the second power offset parameter P of PUCCH data according to repeating rPUCCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P'+P RPUCCH_OFFSET_2
P'=min{P MAX,P O_PUCCH+PL DLFormatPUCCH},
Or, according to following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P MAX+P RPUCCH_OFFSET_2
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described first determining unit 33, also for transmitting the iterative transfer times N of PUCCH data according to repeating pUCCHand following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P'-10·log 10(N PUCCH)}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described transmitter unit 32, also for when launching frequency pilot sign, launches described frequency pilot sign with the transmitting power identical with the described PUCCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission.
As an execution mode, described transmitter unit 32, also for before RRC connection establishment, launches the PUCCH data repeating to transmit according to existing power control mechanism; Or, the PUCCH data transmitted is repeated all the time with maximum power transmission.
In practical application, detecting unit 31, first determining unit 33 can by the central processing unit (CPU in subscriber equipment, CentralProcessingUnit), digital signal processor (DSP, DigitalSignalProcessor) or field programmable gate array (FPGA, FieldProgrammableGateArray) realize; Transmitter unit 32 can be realized by the transmitter in subscriber equipment;
The embodiment of the present invention also records a kind of base station, and can carry out power control under MTC coverage enhancement scene, as shown in Figure 4, described base station comprises: the second determining unit 41 and the second transmitter unit 42;
Wherein, described second determining unit 41, is greater than K for the iterative transfer times when subscriber equipment PUSCH data pUSCHtime, determine the power contorl parameters repeating the PUSCH data transmitted that described subscriber equipment is proprietary; When the iterative transfer times of the PUCCH data of described subscriber equipment is greater than or K pUCCHtime, determine the power contorl parameters repeating the PUCCH data transmitted that described subscriber equipment is proprietary;
Described second transmitter unit 42, for being transferred to relative user equipment by described power contorl parameters.
Wherein, described K pUSCHand K pUCCHfor predefine value.
As an execution mode, the described power contorl parameters repeating transmission PUSCH data, comprising:
Aim at and repeat to transmit the parameter set by PUSCH data;
Described aim at repeat the parameter transmitted set by PUSCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUSCH data o_RPUSCH; Repeat to transmit road loss compensation factor α corresponding to PUSCH data rPUSCH;
Repeat the first power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUSCH_OFFSET_2.
As an execution mode, the described power contorl parameters repeating transmission PUCCH data, comprising:
Aim at and repeat to transmit the parameter set by PUCCH data;
Described aim at repeat to transmit parameter set by PUCCH data comprise following one of at least:
The expectation received power P that PUCCH data is corresponding o_RPUCCH; The road loss compensation factor α that PUCCH data is corresponding rPUCCH;
Repeat the first power offset parameter P of the PUCCH data transmitted rPUCCH_OFFSET_1, and repeat the second power offset parameter P of PUCCH data of transmitting rPUCCH_OFFSET_2.
The embodiment of the present invention also records a kind of power control system, under can being applied in MTC coverage enhancement scene, as shown in Figure 5, comprising:
Subscriber equipment 51, when the iterative transfer times of PUSCH data is greater than K pUSCHtime, the PUSCH data repeating to transmit are sent with the power being less than or equal to maximum transmission power; When the iterative transfer times of PUCCH data is greater than K pUCCHtime, the PUCCH data repeating to transmit is sent with the power being less than or equal to maximum transmission power; Wherein, described K pUSCHand K pUCCHfor predefine value.
Described system also comprises: base station 52, be greater than K for the iterative transfer times of PUSCH data when subscriber equipment 51 pUSCHtime, the power contorl parameters of the PUSCH data that what notifying user equipment 51 was proprietary repeat transmits; When the iterative transfer times of the PUCCH data of subscriber equipment 51 is greater than or K pUCCHtime, the power contorl parameters of the PUCCH data that what notifying user equipment 51 was proprietary repeat transmits.
As an execution mode, described subscriber equipment 51, before also repeating transmission PUSCH data for transmission, transmits the power contorl parameters of PUSCH data according to repeating or repeats to transmit the iterative transfer times N of PUSCH data pUSCH, determine the actual emission power repeating the PUSCH data transmitted.
Wherein, the described power contorl parameters repeating the PUSCH data transmitted comprises:
The parameter that the subscriber equipment 51 of network advertisement is proprietary; The proprietary parameter of described subscriber equipment comprises: aim at and repeat to transmit the parameter set by PUSCH data; Described aim at repeat the parameter transmitted set by PUSCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUSCH data o_RPUSCH; Repeat to transmit road loss compensation factor α corresponding to PUSCH data rPUSCH;
Repeat the first power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUSCH_OFFSET_2.
As an execution mode, described subscriber equipment 51, also for according to the received power P of expectation repeating the PUSCH data transmitted o_RPUSCHparameter and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH}
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the expectation received power repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the Modulation and Coding Scheme MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described subscriber equipment 51, also for according to the road loss compensation factor α of PUSCH data repeating to transmit rPUSCH, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_PUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_PUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor repeating the PUSCH data transmitted, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described subscriber equipment 51, also for according to the received power parameter P of expectation repeating the PUSCH data transmitted o_PUSCHwith the road loss compensation factor parameter alpha repeating the PUSCH data transmitted rPUSCH, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor repeating the PUSCH data transmitted, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described subscriber equipment 51, also for according to the first power offset parameter P of PUSCH data repeating to transmit rPUSCH_OFFSET_1, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P'+P RPUSCH_OFFSET_1}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described subscriber equipment 51, also for according to the second power offset parameter P of PUSCH data repeating to transmit rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=P'+P RPUSCH_OFFSET_2
P'=min{P mAX, P o_PUSCH+ PL dL+ 10log 10(M)+Δ mCS+ δ pUSCH; Or,
According to the second power offset parameter P repeating the PUSCH data transmitted rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=P MAX+P RPUSCH_OFFSET_2
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, P rPUSCH_OFFSET_2represent the second power offset parameter repeating the PUSCH data transmitted, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
Subscriber equipment determines according to the power contorl parameters repeating the PUSCH data transmitted carrying out automatic network the transmitting power P repeating the PUSCH data transmitted t, RPUSCH, this is conducive to network and adjusts according to the measurement result (the lasting statistics such as in continuous time section and average) to interference and noise and path loss the iterative transfer times N determined in time pUSCHthe transmitting power of lower subscriber equipment, thus improve the flexibility of uplink power control, and be conducive to subscriber equipment economize on electricity.
As an execution mode, described subscriber equipment 51, also for according to repeating the iterative transfer times N transmitting PUSCH data pUSCH, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P'-10·log 10(N PUSCH)}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.Subscriber equipment is according to iterative transfer times N pUSCH, determine the transmitting power P repeating the PUSCH data transmitted t, RPUSCH, this simplify the implementation complexity of network and save descending control signaling expense.
As an execution mode, described subscriber equipment 51, also for when launching frequency pilot sign, launches described frequency pilot sign with the transmitting power identical with the described PUSCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission.
As an execution mode, described subscriber equipment 51, also for before RRC connection establishment, launches the PUSCH data repeating to transmit according to existing power control mechanism, or, the PUSCH data transmitted are repeated all the time with maximum power transmission.
As an execution mode, described subscriber equipment 51, before also repeating transmission PUCCH data for transmission, determines the transmitting power of the PUCCH data repeating to transmit according to the power contorl parameters repeating the PUCCH data transmitted; Or, according to repeating the iterative transfer times N transmitting PUCCH data pUCCH, determine the transmitting power repeating the PUCCH data transmitted.
Wherein, the parameter that the described power contorl parameters of PUCCH data repeating the to transmit subscriber equipment 51 that comprises network advertisement is proprietary; The described power contorl parameters repeating the PUCCH data transmitted, comprising: aim at and repeat to transmit the parameter set by PUCCH data; Described aim at repeat to transmit parameter set by PUCCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUCCH data o_RPUCCH; Repeat to transmit road loss compensation factor α corresponding to PUCCH data rPUCCH;
Repeat the first power offset parameter P of the PUCCH data transmitted rPUCCH_OFFSET_1, and repeat the second power offset parameter P of PUCCH data of transmitting rPUCCH_OFFSET_2.
As an execution mode, described subscriber equipment 51, also for according to the received power P of expectation repeating the PUCCH data transmitted o_RPUCCHparameter and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DLFormatPUCCH},
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation repeating the PUCCH data transmitted, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described subscriber equipment 51, also for according to the road loss compensation factor α of PUCCH data repeating to transmit rPUCCH, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_PUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating the PUCCH data transmitted, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described subscriber equipment 51, also for according to repeating the received power P of expectation transmitting PUCCH data o_RPUCCH, repeat the road loss compensation factor α of PUCCH data that transmits rPUCCHand following equation determines the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation repeating the PUCCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating the PUCCH data transmitted, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described subscriber equipment 51, also for according to the first power offset parameter P of PUCCH data repeating to transmit rPUCCH_OFFSET_1, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P'+P RPUCCH_OFFSET_1}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
As an execution mode, described subscriber equipment 51, also for transmitting the second power offset parameter P of PUCCH data according to repeating rPUCCH_OFFSET_2and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P'+P RPUCCH_OFFSET_2
P'=min{P MAX,P O_PUCCH+PL DLFormatPUCCH},
Or according to following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P MAX+P RPUCCH_OFFSET_2
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
Subscriber equipment determines according to the power contorl parameters repeating the PUCCH data transmitted carrying out automatic network the transmitting power P repeating the PUCCH data transmitted t, RPUCCH, this is conducive to network and adjusts according to the measurement result (the lasting statistics such as in continuous time section and average) to interference and noise and path loss the iterative transfer times N determined in time pUCCHunder the transmitting power of subscriber equipment, thus improve the flexibility of uplink power control, and be conducive to economize on electricity.
As an execution mode, described subscriber equipment 51, also for transmitting the iterative transfer times N of PUCCH data according to repeating pUCCHand following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P'-10·log 10(N PUCCH)}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.Subscriber equipment is according to iterative transfer times N pUCCHdetermine the transmitting power P repeating the PUCCH data transmitted t, RPUCCH, this simplify the implementation complexity of network and save descending control signaling expense.
As an execution mode, described subscriber equipment 51, time also for launching frequency pilot sign, launches described frequency pilot sign with the transmitting power identical with the described PUCCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission.
As an execution mode, described subscriber equipment 51, also for before RRC connection establishment, launches the PUCCH data repeating to transmit according to existing power control mechanism; Or, the PUCCH data transmitted is repeated all the time with maximum power transmission.
It should be noted that, about the selection of uplink power control mechanism, in specific implementation process, comprise following three kinds of modes: the first, the PUCCH data repeating to transmit is all the time according to existing uplink power control mechanism or all the time with maximum power P mAXsend, but the PUSCH data repeating to transmit can carry out sending to realize the optimization for the PUSCH transmission repeated according to new uplink power control mechanism of the present invention according to network configuration; The second, the PUSCH data repeating to transmit are all the time according to existing uplink power control mechanism or all the time with maximum power P mAXsend, but the PUCCH data repeating to transmit can carry out sending to realize the optimization for the PUCCH transmission repeated according to new uplink power control mechanism of the present invention according to network configuration; 3rd, PUCCH or the PUSCH data repeating to transmit can according to network configuration according to the machine-processed optimization carrying out sending to realize for the PUCCH repeated or PUSCH transmission of new uplink power control of the present invention.
Be described in conjunction with specific embodiments more below.
Specific embodiment one
Network (respective base station) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determine up path loss according to following: from the uplink detection reference signal (SRS, SoundingReferenceSignal) of subscriber equipment; Stochastic accessing (RA, RandomAccess) signal; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUSCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUSCH, and repeat the received power P of expectation of the PUSCH data transmitted accordingly o_RPUSCH, and will the iterative transfer times N of the PUSCH data transmitted be repeated pUSCHwith the received power P expected o_RPUSCHinform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the up RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating the PUSCH data transmitted pUSCH, network determines the received power P of the expectation of the PUSCH data repeating to transmit according to the power level of described Noise and Interference and up path loss o_RPUSCH, and the received power P that will expect o_RPUSCHinform subscriber equipment.
In implementation procedure, network is according to the power level of Noise and Interference and up path loss determination iterative transfer times N pUSCHand the corresponding received power P expected o_RPUSCHcomprise:
The transmitting power P desired by PUSCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUSCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the iterative transfer times set that subscriber equipment is supported, determine the second iterative transfer times R repeating the PUSCH data transmitted b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUSCH data transmitted pUSCH.According to R bthe transmitting power P of the expectation once transmitted adetermine to repeat to transmit R bthe transmitting power P of the expectation of secondary PUSCH data b; According to described P awith P bbetween difference power (unit is dB), and the received power P of the expectation once transmitted o_PUSCHdetermine the received power P repeating the expectation transmitted o_RPUSCH.
In the present embodiment, the iterative transfer times N of imagination PUSCH pUSCHbe greater than predefine value K pUSCH; Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUSCH data repeating to transmit are expected o_RPUSCHvalue is-120dBm, specifies closed loop power control command δ pUSCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 130dB; The number of resource blocks M value imagined shared by a PUSCH transfer of data is 5; Imagine each Resource Block on frequency domain, occupy continuous print 12 subcarriers, time domain occupies continuous print 14 OFDM (OFDM, OrthogonalFrequencyDivisionMultiplexing) symbol, so each Resource Block comprises 168 (=12 × 14) individual Resource Unit (RE, ResourceElement); In addition, because 2 in described 14 OFDM symbol are for carrying pilot tone, remaining 12 OFDM symbol are for carrying PUSCH data, so each Resource Block comprises 144 (=12 × 12) individual Resource Unit for carrying PUSCH data;
Further imagination subscriber equipment is according to following equation, obtains the power bias Δ depending on PUSCH data MCS used mCSvalue:
&Delta; MCS = 10 &CenterDot; log 10 ( 2 1.25 &CenterDot; L - 1 ) , L = K N RE ,
Wherein, K represents transmission block size (TBS, TransportBlockSize), N rErepresent the Resource Unit number carrying PUSCH data in an above-mentioned M Resource Block, L represents the effective information bit number that each Resource Unit carries.If the value of imagination K is 1000, then subscriber equipment by following process, can determine Δ mCSvalue be probably 3.7dB:
L = K N RE = 1000 5 &times; 144 &ap; 1.4
Δ MCS=10·log 10(2 1.25·L-1)=10·log 10(2 1.25×1.4-1)=3.7(dB)。
Finally, subscriber equipment according to following equation,
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH},
Determine the actual emission power P repeating the PUSCH data transmitted t, RPUSCHfor:
min{23,-120+130+10·log 10(5)+3.7+0}=20.7(dBm)。
Now, the actual emission power P of the PUSCH data transmitted is repeated t, RPUSCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Specific embodiment two
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUSCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUSCH, and repeat the road loss compensation factor α of the PUSCH data transmitted accordingly rPUSCHand will the iterative transfer times N of the PUSCH data transmitted be repeated pUSCHwith road loss compensation factor α rPUSCHinform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating the PUSCH data transmitted pUSCH, network determines the road loss compensation factor α of the PUSCH data repeating to transmit according to the power level of described Noise and Interference and up path loss rPUSCH, and by above-mentioned road loss compensation factor α rPUSCHinform subscriber equipment.
In implementation procedure, network is according to the power level of Noise and Interference and up path loss determination iterative transfer times N pUSCHand corresponding road loss compensation factor α rPUSCHcomprise:
The transmitting power P desired by PUSCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUSCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUSCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times RB equals the actual iterative transfer times N repeating the PUSCH data transmitted pUSCH.According to R bthe transmitting power PA of the expectation once transmitted determines to repeat to transmit R bthe transmitting power P of the expectation of secondary PUSCH data b; According to described P awith P bbetween difference power (unit is dB), and up path loss determines to repeat the road loss compensation factor α of the PUSCH data transmitted rPUSCH.
In the present embodiment, the iterative transfer times N of imagination PUSCH pUSCHbe greater than predefine value K pUSCH; Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUSCH data once transmitted are expected o_PUSCHvalue is-100dBm, specifies closed loop power control command δ pUSCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 138dB, repeats the road loss compensation factor α transmitting PUSCH data rPUSCHvalue is 0.8; The number of resource blocks M value imagined shared by a PUSCH transfer of data is 5; Imagine on each Resource Block frequency domain and occupy continuous 12 subcarriers, time domain occupies continuous 14 OFDM symbol, so each Resource Block comprises 168 (=12 × 14) individual Resource Unit; In addition, because 2 in described 14 OFDM symbol are for carrying pilot tone, remain OFDM symbol for carrying PUSCH data, so each Resource Block comprises 144 (=12 × 12) individual Resource Unit for carrying PUSCH data;
Further imagination subscriber equipment is according to following equation, obtains the power bias Δ depending on PUSCH data MCS used mCSvalue:
&Delta; MCS = 10 &CenterDot; log 10 ( 2 1.25 &CenterDot; L - 1 ) , L = K N RE ,
Wherein, K represents TBS, N rErepresent the Resource Unit number carrying PUSCH data in M Resource Block, L represents the effective information bit number that each Resource Unit carries.The value of imagination K is 1000, then subscriber equipment by following process, can determine Δ mCSvalue be probably 3.7dB:
L = K N RE = 1000 5 &times; 144 &ap; 1.4
Δ MCS=10·log 10(2 1.25·L-1)=10·log 10(2 1.25×1.4-1)=3.7(dB)。
Finally, subscriber equipment according to following equation,
P T,RPUSCH=min{P MAX,P O_PUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Determine the actual emission power P repeating the PUSCH data transmitted t, RPUSCHfor:
min{23,-100+0.8×138+10·log 10(5)+3.7+0}=21.1(dBm)。
Now, the actual emission power P of the PUSCH data transmitted is repeated t, RPUSCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Specific embodiment three
The power level of the power level of network determination noise and the interference from neighbor cell, and one of at least determine up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUSCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUSCH, and repeat the received power P of expectation of the PUSCH data transmitted accordingly o_RPUSCHwith road loss compensation factor α rPUSCH, and will the iterative transfer times N of the PUSCH data transmitted be repeated pUSCHand the received power P expected o_RPUSCHwith road loss compensation factor α rPUSCHinform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating the PUSCH data transmitted pUSCH, network determines the received power P of the expectation of the PUSCH data repeating to transmit according to the power level of described Noise and Interference and up path loss o_RPUSCHwith road loss compensation factor α rPUSCH, and by above-mentioned expectation received power P o_RPUSCHwith road loss compensation factor α rPUSCHinform subscriber equipment.
In implementation procedure, network determines the iterative transfer times N of the PUSCH data repeating to transmit according to the power level of Noise and Interference and up path loss pUSCHand the received power P expected o_RPUSCHwith road loss compensation factor α rPUSCHcomprise:
The transmitting power P desired by PUSCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUSCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUSCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUSCH data transmitted pUSCH.According to R bthe transmitting power P of the expectation once transmitted adetermine to repeat to transmit R bthe transmitting power P of the expectation of secondary PUSCH data b; According to described P awith P bbetween difference power (unit is dB), and up path loss determines to repeat the received power P of the expectation of the PUSCH data transmitted o_RPUSCHwith road loss compensation factor α rPUSCH.
In the present embodiment, the iterative transfer times N of imagination PUSCH pUSCHbe greater than predefine value K pUSCH; Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUSCH data repeating to transmit are expected o_RPUSCHvalue is-113dBm, specifies closed loop power control command δ pUSCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 138dB, repeats the road loss compensation factor α transmitting PUSCH data rPUSCHvalue is 0.9; The number of resource blocks M value imagined shared by a PUSCH transfer of data is 5; Imagine on each Resource Block frequency domain and occupy continuous 12 subcarriers, time domain occupies continuous 14 OFDM symbol, so each Resource Block comprises 168 (=12 × 14) individual Resource Unit; In addition, because 2 in described 14 OFDM symbol are for carrying pilot tone, remain OFDM symbol for carrying PUSCH data, so each Resource Block comprises 144 (=12 × 12) individual Resource Unit for carrying PUSCH data;
Further imagination subscriber equipment is according to following equation, obtains the power bias Δ depending on PUSCH data MCS used mCSvalue:
&Delta; MCS = 10 &CenterDot; log 10 ( 2 1.25 &CenterDot; L - 1 ) , L = K N RE ,
Wherein, K represents TBS, N rErepresent the Resource Unit number carrying PUSCH data in M Resource Block, L represents the effective information bit number that each Resource Unit carries.The value of imagination K is 1000, then subscriber equipment by following process, can determine Δ mCSvalue be probably 3.7dB:
L = K N RE = 1000 5 &times; 144 &ap; 1.4
Δ MCS=10·log 10(2 1.25·L-1)=10·log 10(2 1.25×1.4-1)=3.7(dB)。
Finally, subscriber equipment according to following equation,
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Determine the actual emission power P repeating the PUSCH data transmitted t, RPUSCHfor:
min{23,-113+0.9×138+10·log 10(5)+3.7+0}=21.9(dBm)。
Now, the actual emission power P of the PUSCH data transmitted is repeated t, RPUSCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Specific embodiment four
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUSCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUSCH, and repeat the first power bias P of the PUSCH data transmitted accordingly rPUSCH_OFFSET_1, and will the iterative transfer times N of the PUSCH data transmitted be repeated pUSCHwith the first power bias P rPUSCH_OFFSET_1inform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the up RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating to transmit PUSCH data pUSCH, according to the power level of described Noise and Interference and up path loss, network determines that repetition PUSCH data power is biased P rPUSCH_OFFSET_1and by above-mentioned first power bias P rPUSCH_OFFSET_1inform subscriber equipment.
In implementation procedure, network is according to the power level of Noise and Interference and up path loss determination iterative transfer times N pUSCHand corresponding first power bias P rPUSCH_OFFSET_1comprise:
The transmitting power PA desired by PUSCH data once transmitted is determined according to interference and the power level of noise and up path loss; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUSCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; The the second iterative transfer times R repeating the PUSCH data transmitted is determined in iterative transfer times set according to described RA and subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUSCH data transmitted pUSCH.According to R bthe transmitting power P of the expectation once transmitted adetermine to repeat to transmit R bthe transmitting power P of the expectation of secondary PUSCH data b; According to described P awith P bbetween difference power (unit is dB) determine to repeat the first power bias P of the PUSCH data transmitted rPUSCH_OFFSET_1.
In the present embodiment, the iterative transfer times N of imagination PUSCH pUSCHbe greater than predefine value K pUSCH; Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUSCH data once transmitted are expected o_RPUSCHvalue is-100dBm, specifies closed loop power control command δ pUSCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 130dB, repeats the first power bias P transmitting PUSCH data rPUSCH_OFFSET_1value is-20dB; The number of resource blocks M value imagined shared by a PUSCH transfer of data is 5; Imagine each Resource Block on frequency domain, occupy continuous print 12 subcarriers, time domain occupies continuous print 14 OFDM symbol, so each Resource Block comprises 168 (=12 × 14) individual Resource Unit; In addition, because 2 in described 14 OFDM symbol are for carrying pilot tone, remaining OFDM symbol is for carrying PUSCH data, so each Resource Block comprises 144 (=12 × 12) individual Resource Unit for carrying PUSCH data;
Further imagination subscriber equipment is according to following equation, obtains the power bias Δ depending on PUSCH data MCS used mCSvalue:
&Delta; MCS = 10 &CenterDot; log 10 ( 2 1.25 &CenterDot; L - 1 ) , L = K N RE ,
Wherein, K represents TBS, N rErepresent the Resource Unit number carrying PUSCH data in M Resource Block, L represents the effective information bit number that each Resource Unit carries.The value of imagination K is that 1000 subscriber equipmenies by following process, can determine Δ mCSvalue be probably 3.7dB:
L = K N RE = 1000 5 &times; 144 &ap; 1.4
Δ MCS=10·log 10(2 1.25·L-1)=10·log 10(2 1.25×1.4-1)=3.7(dB)。
Finally, subscriber equipment according to following equation,
P T,RPUSCH=min{P MAX,P'+P RPUSCH_OFFSET_1}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Determine the actual emission power PT repeating the PUSCH data transmitted, RPUSCH is:
min{23,-100+130+10·log 10(5)+3.7+0-20}=20.7(dBm)。
Now, the actual emission power P of the PUSCH data transmitted is repeated t, RPUSCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Embodiment five
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUSCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUSCH, and repeat the second power bias P of the PUSCH data transmitted accordingly rPUSCH_OFFSET_2, and will the iterative transfer times N of the PUSCH data transmitted be repeated pUSCHwith the second power bias P rPUSCH_OFFSET_2inform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the up RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating to transmit PUSCH data pUSCH, according to the power level of described Noise and Interference and up path loss, network determines that repetition PUSCH data power is biased P rPUSCH_OFFSET_2and by above-mentioned second power bias P rPUSCH_OFFSET_2inform subscriber equipment.
In implementation procedure, network is according to the power level of Noise and Interference and up path loss determination iterative transfer times N pUSCHand corresponding second power bias P rPUSCH_OFFSET_2comprise:
The transmitting power P desired by PUSCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUSCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUSCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUSCH data transmitted pUSCH.According to R bthe transmitting power P of the expectation once transmitted adetermine to repeat to transmit R bthe transmitting power P of the expectation of secondary PUSCH data b; According to described P bwith the maximum transmission power P of subscriber equipment mAXdetermine the second power bias P repeating the PUSCH data transmitted rPUSCH_OFFSET_2.
The iterative transfer times N of imagination PUSCH pUSCHbe greater than predefine value K pUSCH; Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUSCH data once transmitted are expected o_RPUSCHvalue is-100dBm, specifies closed loop power control command δ pUSCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 130dB, repeats the second power bias P transmitting PUSCH data rPUSCH_OFFSET_2value is-2dB; The number of resource blocks M value imagined shared by a PUSCH transfer of data is 5; Imagine each Resource Block on frequency domain, occupy continuous print 12 subcarriers, time domain occupies continuous print 14 OFDM symbol, so each Resource Block comprises 168 (=12 × 14) individual Resource Unit; In addition, because 2 in described 14 OFDM symbol are for carrying pilot tone, remaining OFDM symbol is for carrying PUSCH data, so each Resource Block comprises 144 (=12 × 12) individual Resource Unit for carrying PUSCH data;
Further imagination subscriber equipment is according to following equation, obtains the power bias Δ depending on PUSCH data MCS used mCSvalue:
&Delta; MCS = 10 &CenterDot; log 10 ( 2 1.25 &CenterDot; L - 1 ) , L = K N RE ,
Wherein, K represents TBS, N rErepresent the Resource Unit number carrying PUSCH data in M Resource Block, L represents the effective information bit number that each Resource Unit carries.The value of imagination K is that 1000 subscriber equipmenies by following process, can determine Δ mCSvalue be probably 3.7dB:
L = K N RE = 1000 5 &times; 144 &ap; 1.4
Δ MCS=10·log 10(2 1.25·L-1)=10·log 10(2 1.25×1.4-1)=3.7(dB)。
Finally, subscriber equipment according to following equation,
P T,RPUSCH=P'+P RPUSCH_OFFSET_2
P'=min{P MAX,P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH},
Or,
P T,RPUSCH=P MAX+P RPUSCH_OFFSET_2
Determine the actual emission power P repeating the PUSCH data transmitted t, RPUSCHfor:
min{23,-100+130+10·log 10(5)+3.7+0}-2=21(dBm),
Or,
23-2=21(dBm)。
Now, the actual emission power P of the PUSCH data transmitted is repeated t, RPUSCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Specific embodiment six
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUSCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUSCH, and inform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the up RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating the PUSCH data transmitted pUSCH.
In implementation procedure, network determines the iterative transfer times N of the PUSCH data repeating to transmit according to the power level of Noise and Interference and up path loss pUSCHcomprise:
The transmitting power P desired by PUSCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUSCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUSCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUSCH data transmitted pUSCH.
In the present embodiment, the iterative transfer times N of imagination PUSCH pUSCHbe greater than predefine value K pUSCH; Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUSCH data once transmitted are expected o_PUSCHvalue is-100dBm, specifies closed loop power control command δ pUSCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 130dB, repeats the iterative transfer times N transmitting PUSCH data pUSCHvalue is 100 times; The number of resource blocks M value imagined shared by a PUSCH transfer of data is 5; Imagine on each Resource Block frequency domain and occupy continuous print 12 subcarriers, time domain occupies continuous 14 OFDM symbol, so each Resource Block comprises 168 (=12 × 14) individual Resource Unit; In addition, because 2 in described 14 OFDM symbol are for carrying pilot tone, remaining 12 OFDM symbol are for carrying PUSCH data, so each Resource Block comprises 144 (=12 × 12) individual Resource Unit for carrying PUSCH data;
Further imagination subscriber equipment is according to following equation, obtains the power bias Δ depending on PUSCH data MCS used mCSvalue:
&Delta; MCS = 10 &CenterDot; log 10 ( 2 1.25 &CenterDot; L - 1 ) , L = K N RE ,
Wherein, K represents TBS, and NRE represents the Resource Unit number carrying PUSCH data in M Resource Block, and L represents the effective information bit number that each Resource Unit carries.The value of imagination K is that 1000 subscriber equipmenies by following process, can determine Δ mCSvalue be probably 3.7dB:
L = K N RE = 1000 5 &times; 144 &ap; 1.4
Δ MCS=10·log 10(2 1.25·L-1)=10·log 10(2 1.25×1.4-1)=3.7(dB)。
Finally, subscriber equipment according to following equation,
P T,RPUSCH=min{P MAX,P'-10·log 10(N PUSCH)}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Determine the actual emission power P repeating the PUSCH data transmitted t, RPUSCHfor:
P'=-100+130+10·log 10(5)+3.7+0=40.7(dBm)
min{23,P'-10·log 10(100)}=20.7(dBm)。
Now, the actual emission power P of the PUSCH data transmitted is repeated t, RPUSCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
It is to be noted: described in the specific embodiment of the invention one to specific embodiment six, the power level of interference and noise refers to the average interference of a transmitting procedure and the power level of noise; Consider to repeat transmit PUSCH data merging receiving course in, interference and noise are also by merged, and pass through interference and the power level of noise of merging and may deviation be there is between the interference of a transmitting procedure and the power level of noise, closed loop power control command is except the rapid fading for compensating wireless channel, can also be used for compensating above-mentioned interference through merging and the power level of noise and the deviation between the interference of a transmitting procedure and the power level of noise, or, determining iterative transfer times N pUSCHor determine that the power contorl parameters repeating to transmit (comprises the received power P of expectation o_RPUSCH, road loss compensation factor α rPUSCH, the first power bias P rPUSCH_OFFSET_1with the second power bias P rPUSCH_OFFSET_2) process in, the impact of above-mentioned deviation can directly be considered (namely directly introducing corresponding compensation term).
Specific embodiment seven
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N repeating to transmit PUCCH data according to the power level of described Noise and Interference and up path loss pUCCHand the corresponding received power P repeating the expectation of the PUCCH data transmitted o_RPUCCH, and will the iterative transfer times N of the PUCCH data transmitted be repeated pUCCHwith the received power P expected o_RPUCCHinform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the up RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating the PUCCH data transmitted pUCCH, network determines the received power P of the expectation of the PUCCH data repeating to transmit according to the power level of described Noise and Interference and up path loss o_RPUCCHand the received power P that will expect o_RPUCCHinform subscriber equipment.
In implementation procedure, network is according to the power level of Noise and Interference and up path loss determination iterative transfer times N pUCCHand the corresponding received power P expected o_RPUCCHcomprise:
The transmitting power P desired by PUCCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUCCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUCCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUCCH data transmitted pUCCH.According to R bthe transmitting power P of the expectation once transmitted adetermine to repeat to transmit R bthe transmitting power P of the expectation of secondary PUCCH data b; According to described P awith P bbetween difference power (unit is dB), and the received power P of the expectation once transmitted o_PUCCHdetermine the received power P repeating the expectation transmitted o_RPUCCH.
In the present embodiment, the iterative transfer times N of imagination PUCCH pUCCHbe greater than predefine value K pUCCH; Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUCCH data repeating to transmit is expected o_RPUCCHvalue is-120dBm, specifies closed loop power control command δ pUCCHvalue is 0dB, and the descending path loss PLDL value that subscriber equipment is estimated is probably 142dB; Imagination PUCCH format is PUCCH format 1a, and the power bias Δ of form 1a mCSvalue is 0dB.
Finally, subscriber equipment according to following equation,
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DLFormatPUCCH},
Determine the actual emission power PT repeating the PUCCH data transmitted, RPUCCH is:
min{23,-120+142+0+0}=22(dBm)。
Now, the actual emission power P of the PUCCH data transmitted is repeated t, RPUCCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Specific embodiment eight
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUCCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUCCH, and repeat the road loss compensation factor α of the PUCCH data transmitted accordingly rPUCCH, and will the iterative transfer times N of the PUCCH data transmitted be repeated pUCCHwith road loss compensation factor α rPUCCHinform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the up RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating the PUCCH data transmitted pUCCH, network determines the road loss compensation factor α of the PUCCH data repeating to transmit according to the power level of described Noise and Interference and up path loss rPUCCH, and by above-mentioned road loss compensation factor α rPUCCHinform subscriber equipment.
In implementation procedure, network is according to the power level of Noise and Interference and up path loss determination iterative transfer times N pUCCHand corresponding road loss compensation factor α rPUCCHcomprise:
The transmitting power P desired by PUCCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUCCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUCCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUCCH data transmitted pUCCH.According to R bthe transmitting power P of the expectation once transmitted adetermine to repeat to transmit R bthe transmitting power P of the expectation of secondary PUCCH data b; According to described P awith P bbetween difference power (unit is dB), and up path loss determines to repeat the road loss compensation factor α of the PUCCH data transmitted rPUCCH.
In the present embodiment, the iterative transfer times N of imagination PUCCH pUCCHbe greater than predefine value K pUCCH;
Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUCCH data once transmitted is expected o_PUCCHvalue is-100dBm, specifies closed loop power control command δ pUCCHvalue is 0dB, and the descending path loss PLDL value that subscriber equipment is estimated is probably 135dB, repeats the road loss compensation factor α transmitting PUCCH data rPUCCHvalue is 0.9; Imagining current PUCCH format is PUCCH format 1a, and the power bias Δ of form 1a mCSvalue is 0dB.
Finally, subscriber equipment according to following equation,
P T,RPUCCH=min{P MAX,P O_PUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Determine the actual emission power P repeating the PUCCH data transmitted t, RPUCCHfor:
min{23,-100+0.9×135+0+0}=21.5(dBm)。
Now, the actual emission power P of the PUCCH data transmitted is repeated t, RPUCCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Specific embodiment nine
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUCCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUCCH, and repeat the received power P of expectation of the PUCCH data transmitted accordingly o_RPUCCHwith road loss compensation factor α rPUCCHand will the iterative transfer times N of the PUCCH data transmitted be repeated pUCCHand the received power P expected o_RPUCCHwith road loss compensation factor α rPUCCHinform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating the PUCCH data transmitted pUCCH, network determines the received power P of the expectation of the PUCCH data repeating to transmit according to the power level of described Noise and Interference and up path loss o_RPUCCHwith road loss compensation factor α rPUCCHand by the received power P of above-mentioned expectation o_RPUCCHwith road loss compensation factor α rPUCCHinform subscriber equipment.
In implementation procedure, network determines the iterative transfer times N of the PUCCH data repeating to transmit according to the power level of Noise and Interference and up path loss pUCCHand the received power P expected o_RPUCCHwith road loss compensation factor α rPUCCHcomprise:
The transmitting power P desired by PUCCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUCCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUCCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUCCH data transmitted pUCCH.According to R bthe transmitting power P of the expectation once transmitted adetermine to repeat to transmit R bthe transmitting power P of the expectation of secondary PUCCH data b; According to described P awith P bbetween difference power (unit is dB), and up path loss determines to repeat the received power P of the expectation of the PUCCH data transmitted o_RPUCCHwith road loss compensation factor α rPUCCH.
In the present embodiment, the iterative transfer times N of imagination PUCCH pUCCHbe greater than predefine value K pUCCH; Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUCCH data repeating to transmit is expected o_RPUCCHvalue is-106dBm, specifies closed loop power control command δ pUCCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 142dB, repeats the road loss compensation factor α transmitting PUCCH data rPUCCHvalue is 0.9; Imagining current PUCCH format is PUCCH format 1a, and the power bias Δ of form 1a mCSvalue is 0dB.
Finally, subscriber equipment according to following equation,
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Determine the actual emission power P repeating the PUCCH data transmitted t, RPUCCHfor:
min{23,-106+0.9×142+0+0}=21.8(dBm)。
Now, the actual emission power P of the PUCCH data transmitted is repeated t, RPUSCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Specific embodiment ten
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUCCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUCCH, and repeat the first power bias P of the PUCCH data transmitted accordingly rPUCCH_OFFSET_1, and will the iterative transfer times N of the PUCCH data transmitted be repeated pUCCHwith the first power bias P rPUCCH_OFFSET_1inform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the up RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating to transmit PUCCH data pUCCH, network determines repetition PUCCH data power bias P according to the power level of described Noise and Interference and up path loss rPUCCH_OFFSET_1and by above-mentioned first power bias P rPUCCH_OFFSET_1inform subscriber equipment.
In implementation procedure, network is according to the power level of Noise and Interference and up path loss determination iterative transfer times N pUCCHand corresponding first power bias P rPUCCH_OFFSET_1comprise:
The transmitting power P desired by PUCCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUCCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUCCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUCCH data transmitted pUCCH.According to R bthe transmitting power P of the expectation once transmitted adetermine to repeat to transmit R bthe transmitting power P of the expectation of secondary PUCCH data b; According to described P awith P bbetween difference power (unit is dB) determine to repeat the first power bias P of the PUCCH data transmitted rPUCCH_OFFSET_1.
In the present embodiment, the iterative transfer times N of imagination PUCCH pUCCHbe greater than predefine value K pUCCH; Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUCCH data once transmitted is expected o_RPUCCHvalue is-100dBm, specifies closed loop power control command δ pUCCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 142dB, repeats the first power bias P transmitting PUCCH data rPUCCH_OFFSET_1value is-20dB; Imagining current PUCCH format is PUCCH format 1a, and the power bias Δ of form 1a mCSvalue is 0dB.
Finally, subscriber equipment according to following equation,
P T,RPUCCH=min{P MAX,P'+P RPUCCH_OFFSET_1}
P'=P O_PUCCH+PL DLFormatPUCCH
Determine the actual emission power P repeating the PUCCH data transmitted t, RPUCCHfor:
min{23,-100+142+0+0-20}=22(dBm)。
Now, the actual emission power P of the PUCCH data transmitted is repeated t, RPUCCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Specific embodiment 11
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUCCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUCCH, and repeat the second power bias P of the PUCCH data transmitted accordingly rPUCCH_OFFSET_2, and will the iterative transfer times N of the PUCCH data transmitted be repeated pUCCHwith the second power bias P rPUCCH_OFFSET_2inform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the up RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating to transmit PUCCH data pUCCH, network determines repetition PUCCH data power bias P according to the power level of described Noise and Interference and up path loss rPUCCH_OFFSET_2and by above-mentioned second power bias P rPUCCH_OFFSET_2inform subscriber equipment.
In implementation procedure, network is according to the power level of Noise and Interference and up path loss determination iterative transfer times N pUCCHand corresponding second power bias P rPUCCH_OFFSET_2comprise:
The transmitting power P desired by PUCCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUCCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUCCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R bfor belonging to the minimum value be more than or equal in all elements of RA of the iterative transfer times set of subscriber equipment support; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUCCH data transmitted pUCCH.According to R bthe transmitting power P of the expectation once transmitted adetermine to repeat to transmit R bthe transmitting power P of the expectation of secondary PUCCH data b; According to described P bwith the maximum transmission power P of subscriber equipment mAXdetermine the second power bias P repeating the PUCCH data transmitted rPUCCH_OFFSET_2.
The iterative transfer times N of imagination PUCCH pUCCHbe greater than predefine value K pUCCH.
Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUCCH data once transmitted is expected o_RPUCCHvalue is-100dBm, specifies closed loop power control command δ pUCCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 130dB, repeats the second power bias P transmitting PUCCH data rPUCCH_OFFSET_2value is-2dB; Imagining current PUCCH format is PUCCH format 1a, and the power bias Δ of form 1a mCSvalue is 0dB.
Finally, subscriber equipment according to following equation,
P T,RPUCCH=P'+P RPUCCH_OFFSET_2
P'=min{P MAX,P O_PUCCH+PL DLFormatPUCCH},
Or,
P T,RPUCCH=P MAX+P RPUCCH_OFFSET_2
Determine the actual emission power P repeating the PUCCH data transmitted t, RPUCCHfor:
min{23,-100+130+0+0}-2=21(dBm),
Or,
23-2=21(dBm)。
Now, the actual emission power P of the PUCCH data transmitted is repeated t, RPUCCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
Specific embodiment 12
Network (base station side) determines the power level of the power level of noise and the interference from neighbor cell, and one of at least determines up path loss according to following: from the SRS of subscriber equipment; From the RA signal of subscriber equipment; From the feedback about descending path loss measured value of subscriber equipment.Network determines the iterative transfer times N of the PUCCH data repeating to transmit according to the power level of described Noise and Interference and up path loss pUCCH, and inform subscriber equipment.Or network and subscriber equipment are according to the iterative transfer times N repeating the up RA signal transmitted from subscriber equipment rAdetermine the iterative transfer times N repeating the PUCCH data transmitted pUCCH.
In implementation procedure, network determines the iterative transfer times N of the PUCCH data repeating to transmit according to the power level of Noise and Interference and up path loss pUCCHcomprise:
The transmitting power P desired by PUCCH data once transmitted is determined according to interference and the power level of noise and up path loss a; According to the transmitting power P of described expectation aand the maximum transmission power P of subscriber equipment mAXdetermine the first iterative transfer times R repeating the PUCCH data transmitted a; Wherein, R afor subscriber equipment is all the time with maximum power P mAXiterative transfer times in transmitting situation required for subscriber equipment; According to described R aand the second iterative transfer times R repeating the PUCCH data transmitted is determined in the iterative transfer times set of subscriber equipment support b; Wherein, described R br is more than or equal to for what belong to the iterative transfer times set of subscriber equipment support aall elements in minimum value; Described second iterative transfer times R bequal the actual iterative transfer times N repeating the PUCCH data transmitted pUCCH.
The iterative transfer times N of imagination PUCCH pUCCHbe greater than predefine value K pUCCH.
Imagination subscriber equipment maximum transmission power P mAXvalue is 23dBm, the received power P that the PUCCH data once transmitted is expected o_PUCCHvalue is-100dBm, specifies closed loop power control command δ pUCCHvalue is 0dB, the descending path loss PL that subscriber equipment is estimated dLvalue is probably 130dB, repeats the iterative transfer times N transmitting PUCCH data pUCCHvalue is 100 times; Imagination PUCCH format is PUCCH format 1a, and the power bias Δ of form 1a mCSvalue is 0dB.
Finally, subscriber equipment according to following equation,
P T,RPUCCH=min{P MAX,P'-10·log 10(N PUCCH)}
P'=P O_PUCCH+PL DLFormatPUCCH
Determine the actual emission power P repeating the PUCCH data transmitted t, RPUCCHfor:
P'=-100+142+0+0=42(dBm)
min{23,P'-10·log 10(100)}=22(dBm)。
Now, the actual emission power P of the PUCCH data transmitted is repeated t, RPUCCHlower than the maximum transmission power P that subscriber equipment is supported mAX.
It is pointed out that the power level of interference and noise described in specific embodiment seven to specific embodiment 12 refers to the average interference of a transmitting procedure and the power level of noise; Consider to repeat transmit PUCCH data merging receiving course in, interference and noise are also by merged, and pass through interference and the power level of noise of merging and may deviation be there is between the interference of a transmitting procedure and the power level of noise, closed loop power control command is except the rapid fading for compensating wireless channel, can also be used for compensating above-mentioned interference through merging and the power level of noise and the deviation between the interference of a transmitting procedure and the power level of noise, or, determining iterative transfer times N pUCCHor determine that the power contorl parameters repeating to transmit (comprises the received power P of expectation o_RPUCCH, road loss compensation factor α rPUCCH, the first power bias P rPUCCH_OFFSET_1with the second power bias P rPUCCH_OFFSET_2) process in, the impact of above-mentioned deviation can directly be considered (namely directly introducing corresponding compensation term).
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: movable storage device, random access memory (RAM, RandomAccessMemory), read-only memory (ROM, Read-OnlyMemory), magnetic disc or CD etc. various can be program code stored medium.
Or, if the above-mentioned integrated unit of the present invention using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the embodiment of the present invention can embody with the form of software product the part that correlation technique contributes in essence in other words, this computer software product is stored in a storage medium, comprises some instructions and performs all or part of of method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server or the network equipment etc.).And aforesaid storage medium comprises: movable storage device, RAM, ROM, magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.

Claims (54)

1. a Poewr control method, is characterized in that, described method comprises:
When the iterative transfer times of Physical Uplink Shared Channel PUSCH data is greater than K pUSCHtime, the PUSCH data repeating to transmit are sent with the power being less than or equal to maximum transmission power;
When the iterative transfer times of Physical Uplink Control Channel PUCCH data is greater than K pUCCHtime, the PUCCH data repeating to transmit is sent with the power being less than or equal to maximum transmission power;
Wherein, described K pUSCHand K pUCCHfor predefine value.
2. the method for claim 1, is characterized in that, before described transmission repeats the PUSCH data transmitted, described method also comprises:
According to repeating the power contorl parameters of the PUSCH data transmitted or repeating the iterative transfer times N of the PUSCH data transmitted pUSCH, determine the actual emission power repeating the PUSCH data transmitted.
3. method as claimed in claim 2, is characterized in that, the described power contorl parameters repeating the PUSCH data transmitted comprises:
The parameter that the subscriber equipment of network advertisement is proprietary.
4. method as claimed in claim 3, is characterized in that the parameter that described subscriber equipment is proprietary comprises: aim at and repeat to transmit the parameter set by PUSCH data;
Described aim at repeat the parameter transmitted set by PUSCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUSCH data o_RPUSCH; Repeat to transmit road loss compensation factor α corresponding to PUSCH data rPUSCH;
Repeat the first power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_1, and repeat the second power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_2.
5. method as claimed in claim 4, is characterized in that, the described power contorl parameters according to repeating the PUSCH data transmitted, and determines the actual emission power repeating the PUSCH data transmitted, comprising:
According to repeating the expectation received power P transmitting PUSCH data o_RPUSCHparameter and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH},
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the expectation received power repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the Modulation and Coding Scheme MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
6. method as claimed in claim 4, is characterized in that, the described power contorl parameters according to repeating the PUSCH data transmitted, and determines the actual emission power repeating the PUSCH data transmitted, comprising:
According to repeating the road loss compensation factor α transmitting PUSCH data rPUSCHand following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_PUSCH+PL DL′+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_PUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor repeating the PUSCH data transmitted, M represents Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
7. method as claimed in claim 4, is characterized in that, the described power contorl parameters according to repeating the PUSCH data transmitted, and determines the actual emission power repeating the PUSCH data transmitted, comprising:
According to repeating the expectation received power parameter P transmitting PUSCH data o_PUSCHwith the road loss compensation factor parameter alpha repeating transmission PUSCH data rPUSCH, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor repeating the PUSCH data transmitted, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
8. method as claimed in claim 4, is characterized in that, the described power contorl parameters according to repeating the PUSCH data transmitted, and determines the actual emission power repeating the PUSCH data transmitted, comprising:
According to the first power offset parameter P repeating the PUSCH data transmitted rPUSCH_OFFSET_1, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P'+P RPUSCH_OFFSET_1}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the expectation received power of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
9. method as claimed in claim 4, is characterized in that, the described power contorl parameters according to repeating the PUSCH data transmitted, and determines the actual emission power repeating the PUSCH data transmitted, comprising:
According to the second power offset parameter P repeating the PUSCH data transmitted rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=P'+P RPUSCH_OFFSET_2
P'=min{P mAX, P o_PUSCH+ PL dL+ 10log 10(M)+Δ mCS+ δ pUSCH; Or,
According to the second power offset parameter P repeating the PUSCH data transmitted rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=P MAX+P RPUSCH_OFFSET_2
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the expectation received power of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, P rPUSCH_OFFSET_2represent the second power offset parameter repeating the PUSCH data transmitted, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
10. method as claimed in claim 4, is characterized in that, the described iterative transfer times N according to repeating the PUSCH data transmitted pUSCH, determine the actual emission power repeating the PUSCH data transmitted, comprising:
According to repeating the iterative transfer times N transmitting PUSCH data pUSCHand following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P'-10·log 10(N PUSCH)}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the expectation received power of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
11. the method for claim 1, is characterized in that, when launching frequency pilot sign, described method also comprises:
Described frequency pilot sign is launched with the transmitting power identical with the described PUSCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission.
12. the method for claim 1, is characterized in that, before radio frequency resource control RRC connection establishment, described method also comprises:
The PUSCH data repeating to transmit are launched according to existing power control mechanism, or, the PUSCH data transmitted are repeated all the time with maximum power transmission.
13. the method for claim 1, is characterized in that, before described transmission repeats the PUCCH data transmitted, described method also comprises:
According to the power contorl parameters repeating the PUCCH data transmitted, or repeat the iterative transfer times N transmitting PUCCH data pUCCH, determine the transmitting power repeating the PUCCH data transmitted.
14. methods as claimed in claim 13, is characterized in that, the described power contorl parameters repeating the PUCCH data transmitted comprises:
The parameter that the subscriber equipment of network advertisement is proprietary.
15. methods as claimed in claim 14, it is characterized in that, the proprietary parameter of described subscriber equipment, comprising: aim at and repeat to transmit the parameter set by PUCCH data;
Described aim at repeat to transmit parameter set by PUCCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUCCH data o_RPUCCH; The road loss compensation factor α that the PUCCH data repeating to transmit is corresponding rPUCCH;
Repeat the first power offset parameter P of the PUCCH data transmitted rPUCCH_OFFSET_1; Repeat the second power offset parameter P of the PUSCH data transmitted rPUCCH_OFFSET_2.
16. methods as claimed in claim 15, is characterized in that, the described power contorl parameters according to repeating to transmit PUCCH data determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to the received power P repeating the expectation transmitting PUCCH data o_RPUCCHparameter and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DLFormatPUCCH},
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power repeating the expectation transmitting PUCCH data, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
17. methods as claimed in claim 15, is characterized in that, the described power contorl parameters according to repeating to transmit PUCCH data determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to the road loss compensation factor α repeating the PUCCH data transmitted rPUCCH, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_PUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the expectation received power of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating to transmit PUCCH data, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
18. methods as claimed in claim 15, is characterized in that, the described power contorl parameters according to repeating to transmit PUCCH data determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to repeating the expectation received power P transmitting PUCCH data o_RPUCCH, repeat the road loss compensation factor α of PUCCH data that transmits rPUCCH, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the expectation received power repeating the PUCCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating to transmit PUCCH data, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
19. methods as claimed in claim 15, is characterized in that, the described power contorl parameters according to repeating to transmit PUCCH data determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to the first power offset parameter P repeating the PUCCH data transmitted rPUCCH_OFFSET_1, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P'+P RPUCCH_OFFSET_1}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the expectation received power of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
20. methods as claimed in claim 15, is characterized in that, the described power contorl parameters according to repeating to transmit PUCCH data determines the actual emission power repeating the PUCCH data transmitted, and comprising:
According to the second power offset parameter P repeating the PUCCH data transmitted rPUCCH_OFFSET_2and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P'+P RPUCCH_OFFSET_2
P'=min{P MAX,P O_PUCCH+PL DLFormatPUCCH},
Or, according to following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P MAX+P RPUCCH_OFFSET_2
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the expectation received power of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
21. method as claimed in claim 15, is characterized in that, described according to repeating the iterative transfer times N transmitting PUCCH data pUCCHdetermine the actual emission power repeating the PUCCH data transmitted, comprising:
According to repeating the iterative transfer times N transmitting PUCCH data pUCCHand following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P'-10·log 10(N PUCCH)}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the expectation received power of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
22. methods as claimed in claim 15, is characterized in that, when launching frequency pilot sign, described method also comprises:
Described frequency pilot sign is launched with the transmitting power identical with the described PUCCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission.
23. methods as described in any one of claim 15 to 22, it is characterized in that, before RRC connection establishment, described method also comprises:
The PUCCH data repeating to transmit is launched according to existing power control mechanism; Or, the PUCCH data transmitted is repeated all the time with maximum power transmission.
24. 1 kinds of Poewr control methods, is characterized in that, described method comprises:
When the iterative transfer times of the Physical Uplink Shared Channel PUSCH data of subscriber equipment is greater than K pUSCHtime, the power contorl parameters of the PUSCH data that what notifying user equipment was proprietary repeat transmits;
When the iterative transfer times of the Physical Uplink Control Channel PUCCH data of subscriber equipment is greater than K pUCCHtime, the power contorl parameters of the PUCCH data that what notifying user equipment was proprietary repeat transmits;
Wherein, described K pUSCHand K pUCCHfor predefine value.
25. methods as claimed in claim 24, is characterized in that, the described power contorl parameters repeating the PUSCH data transmitted, comprising:
Aim at and repeat to transmit the parameter set by PUSCH data;
Described aim at repeat the parameter transmitted set by PUSCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUSCH data o_RPUSCH; Repeat to transmit road loss compensation factor α corresponding to PUSCH data rPUSCH;
Repeat the first power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUSCH_OFFSET_2.
26. methods as described in claim 24 or 25, is characterized in that, describedly repeat the power contorl parameters transmitting PUCCH data, comprising:
Aim at and repeat to transmit the parameter set by PUCCH data;
Described aim at repeat to transmit parameter set by PUCCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUCCH data o_RPUCCH; Repeat to transmit road loss compensation factor α corresponding to PUCCH data rPUCCH;
Repeat the first power offset parameter P of the PUCCH data transmitted rPUCCH_OFFSET_1, and repeat the second power offset parameter P of PUCCH data of transmitting rPUCCH_OFFSET_2.
27. 1 kinds of subscriber equipmenies, is characterized in that, described subscriber equipment comprises:
Detecting unit and transmitter unit; Wherein,
Described detecting unit, for detecting that the iterative transfer times of Physical Uplink Shared Channel PUSCH data is greater than K pUSCHtime, trigger described transmitter unit and send the PUSCH data repeating to transmit with the power being less than or equal to maximum transmission power; Detecting that the iterative transfer times of Physical Uplink Control Channel PUCCH data is greater than K pUCCHtime, trigger described transmitter unit and send the PUCCH data repeating to transmit with the power being less than or equal to maximum transmission power;
Wherein, described K pUSCHand K pUCCHfor predefine value.
28. subscriber equipmenies as claimed in claim 27, it is characterized in that, described subscriber equipment also comprises:
First determining unit, for the iterative transfer times N of PUSCH data transmitted according to the power contorl parameters or repeat repeating the PUSCH data transmitted pUSCH, determine the actual emission power repeating the PUSCH data transmitted;
Described transmitter unit, also for launching the PUSCH data repeating to transmit according to described actual emission power.
29. subscriber equipmenies as claimed in claim 28, is characterized in that, the described power contorl parameters repeating to transmit PUSCH data comprises:
The parameter that the subscriber equipment of network advertisement is proprietary.
30. subscriber equipment as claimed in claim 29, is characterized in that the parameter that described subscriber equipment is proprietary comprises:
Aim at and repeat to transmit the parameter set by PUSCH data;
Described aim at repeat the parameter transmitted set by PUSCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUSCH data o_RPUSCH; Repeat to transmit road loss compensation factor α corresponding to PUSCH data rPUSCH;
Repeat the first power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUSCH_OFFSET_2.
31. subscriber equipmenies as claimed in claim 30, is characterized in that,
Described first determining unit, also for according to the received power P of expectation repeating the PUSCH data transmitted o_RPUSCHparameter and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH}
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the expectation received power repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the Modulation and Coding Scheme MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
32. subscriber equipmenies as claimed in claim 30, is characterized in that, described first determining unit, also for according to the road loss compensation factor α of PUSCH data repeating to transmit rPUSCHand following equation determines the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_PUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_PUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor repeating the PUSCH data transmitted, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
33. subscriber equipmenies as claimed in claim 30, is characterized in that, described first determining unit, also for according to the expectation received power P of PUSCH data repeating to transmit o_PUSCHwith the road loss compensation factor parameter alpha repeating the PUSCH data transmitted rPUSCH, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P O_RPUSCH+PL DL'+10·log 10(M)+Δ MCSPUSCH}
PL DL'=α RPUSCH·PL DL
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation repeating the PUSCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUSCHrepresent the road loss compensation factor repeating the PUSCH data transmitted, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
34. subscriber equipmenies as claimed in claim 30, is characterized in that, described first determining unit, also for according to the first power offset parameter P of PUSCH data repeating to transmit rPUSCH_OFFSET_1, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P'+P RPUSCH_OFFSET_1}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the number of resource blocks shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
35. subscriber equipmenies as claimed in claim 30, is characterized in that, described first determining unit, also for according to the second power offset parameter P of PUSCH data repeating to transmit rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=P'+P RPUSCH_OFFSET_2
P'=min{P mAX, P o_PUSCH+ PL dL+ 10log 10(M)+Δ mCS+ δ pUSCH; Or,
According to the second power offset parameter P repeating the PUSCH data transmitted rPUSCH_OFFSET_2, and following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=P MAX+P RPUSCH_OFFSET_2
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, P rPUSCH_OFFSET_2represent the second power offset parameter repeating the PUSCH data transmitted, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias relying on PUSCH data MCS, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
36. subscriber equipmenies as claimed in claim 30, is characterized in that, described first determining unit, also for according to repeating the iterative transfer times N transmitting PUSCH data pUSCHand following equation, determine the actual emission power repeating the PUSCH data transmitted:
P T,RPUSCH=min{P MAX,P'-10·log 10(N PUSCH)}
P'=P O_PUSCH+PL DL+10·log 10(M)+Δ MCSPUSCH
Wherein, P t, RPUSCHrepresent the actual emission power repeating the PUSCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUSCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, M represents the Resource Block quantity shared by a PUSCH transfer of data, Δ mCSrepresent the power bias depending on the MCS of PUSCH data, δ pUSCHcorrespond to the clear and definite closed loop power control command of automatic network.
37. subscriber equipmenies as claimed in claim 27, it is characterized in that, described transmitter unit, also for when launching frequency pilot sign, described frequency pilot sign is launched with the transmitting power identical with the described PUSCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission.
38. subscriber equipmenies as claimed in claim 27, it is characterized in that, described transmitter unit, also for before radio frequency resource control RRC connection establishment, launches the PUSCH data repeating to transmit according to existing power control mechanism, or, the PUSCH data transmitted are repeated all the time with maximum power transmission.
39. subscriber equipmenies as claimed in claim 27, is characterized in that, described first determining unit, also for determining the transmitting power repeating the PUCCH data transmitted according to the power contorl parameters repeating the PUCCH data transmitted; Or, according to repeating the iterative transfer times N transmitting PUCCH data pUCCH, determine the transmitting power repeating the PUCCH data transmitted.
40. subscriber equipment as claimed in claim 39, is characterized in that, the described power contorl parameters repeating to transmit PUCCH data comprises:
The parameter that the subscriber equipment of network advertisement is proprietary.
41. subscriber equipmenies as claimed in claim 40, is characterized in that the parameter that described subscriber equipment is proprietary comprises: aim at and repeat to transmit the parameter set by PUCCH data;
Described aim at repeat to transmit parameter set by PUCCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUCCH data o_RPUCCH; Repeat to transmit road loss compensation factor α corresponding to PUCCH data rPUCCH;
Repeat the first power offset parameter P of the PUCCH data transmitted rPUCCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUCCH_OFFSET_2.
42. subscriber equipmenies as claimed in claim 41, is characterized in that, described first determining unit, also for according to the received power P of expectation repeating the PUCCH data transmitted o_RPUCCHparameter and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DLFormatPUCCH},
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation repeating the PUCCH data transmitted, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
43. subscriber equipmenies as claimed in claim 41, is characterized in that, described first determining unit, also for according to the road loss compensation factor α of PUCCH data repeating to transmit rPUCCH, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_PUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating the PUCCH data transmitted, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
44. subscriber equipmenies as claimed in claim 41, is characterized in that, described first determining unit, also for according to the received power P of expectation repeating the PUCCH data transmitted o_RPUCCH, repeat the road loss compensation factor α of PUCCH data that transmits rPUCCH, and following equation determine to repeat the actual emission power of the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P O_RPUCCH+PL DL'+Δ FormatPUCCH}
PL DL'=α RPUCCH·PL DL
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation repeating the PUCCH data transmitted, PL dLrepresent that descending path loss is estimated, α rPUCCHrepresent the road loss compensation factor repeating the PUCCH data transmitted, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
45. subscriber equipmenies as claimed in claim 41, is characterized in that, described first determining unit, also for according to the first power offset parameter P of PUCCH data repeating to transmit rPUCCH_OFFSET_1, and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P'+P RPUCCH_OFFSET_1}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
46. subscriber equipmenies as claimed in claim 41, is characterized in that, described first determining unit, also for according to the second power offset parameter P of PUCCH data repeating to transmit rPUCCH_OFFSET_2and following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P'+P RPUCCH_OFFSET_2
P'=min{P MAX,P O_PUCCH+PL DLFormatPUCCH};
Or, according to following equation, determine the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=P MAX+P RPUCCH_OFFSET_2
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUSCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatthe power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
47. subscriber equipmenies as claimed in claim 41, is characterized in that, described first determining unit, also for transmitting the iterative transfer times N of PUCCH data according to repeating pUCCHand following equation determines the actual emission power repeating the PUCCH data transmitted:
P T,RPUCCH=min{P MAX,P'-10·log 10(N PUCCH)}
P'=P O_PUCCH+PL DLFormatPUCCH
Wherein, P t, RPUCCHrepresent the actual emission power repeating the PUCCH data transmitted, P mAXrepresent maximum transmitting power, P o_RPUCCHrepresent the received power of the expectation of the PUCCH data once transmitted, PL dLrepresent that descending path loss is estimated, Δ formatrepresent the power bias relevant with PUCCH format, δ pUCCHcorrespond to the clear and definite closed loop power control command of automatic network.
48. subscriber equipmenies as claimed in claim 41, it is characterized in that, described transmitter unit, also for when launching frequency pilot sign, described frequency pilot sign is launched with the transmitting power identical with the described PUCCH data symbol repeating to transmit, or, by described frequency pilot sign all the time with maximum power transmission.
49. subscriber equipmenies as described in any one of claim 41 to 48, is characterized in that, described transmitter unit, also for before RRC connection establishment, launch the PUCCH data repeating to transmit according to existing power control mechanism; Or, the PUCCH data transmitted is repeated all the time with maximum power transmission.
50. 1 kinds of base stations, is characterized in that, described base station comprises: the second determining unit and the second transmitter unit; Wherein,
Described second determining unit, is greater than K for the iterative transfer times when subscriber equipment Physical Uplink Shared Channel PUSCH data pUSCHtime, determine the power contorl parameters repeating the PUSCH data transmitted that described subscriber equipment is proprietary; When the iterative transfer times of the Physical Uplink Control Channel PUCCH data of subscriber equipment is greater than or K pUCCHtime, determine the power contorl parameters repeating the PUCCH data transmitted that described subscriber equipment is proprietary;
Described second transmitter unit, for being transferred to corresponding subscriber equipment by described power contorl parameters.
Wherein, described K pUSCHand K pUCCHfor predefine value.
51. base stations as claimed in claim 50, is characterized in that, the described power contorl parameters repeating the PUSCH data transmitted, comprising:
Aim at and repeat to transmit the parameter set by PUSCH data;
Described aim at repeat the parameter transmitted set by PUSCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUSCH data o_RPUSCH; Repeat to transmit road loss compensation factor α corresponding to PUSCH data rPUSCH;
Repeat the first power offset parameter P of the PUSCH data transmitted rPUSCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUSCH_OFFSET_2.
52. base stations as described in claim 50 or 51, is characterized in that, describedly repeat the power contorl parameters transmitting PUCCH data, comprising:
Aim at and repeat to transmit the parameter set by PUCCH data;
Described aim at repeat to transmit parameter set by PUCCH data comprise following one of at least:
Repeat to transmit expectation received power P corresponding to PUCCH data o_RPUCCH; Repeat to transmit road loss compensation factor α corresponding to PUCCH data rPUCCH;
Repeat the first power offset parameter P of the PUCCH data transmitted rPUCCH_OFFSET_1, and repeat the second power offset parameter P of PUSCH data of transmitting rPUCCH_OFFSET_2.
53. 1 kinds of power control systems, is characterized in that, described system comprises:
Subscriber equipment, is greater than K for the iterative transfer times when Physical Uplink Shared Channel PUSCH data pUSCHtime, the PUSCH data repeating to transmit are sent with the power being less than or equal to maximum transmission power; When the iterative transfer times of Physical Uplink Control Channel PUCCH data is greater than K pUCCHtime, the PUCCH data repeating to transmit is sent with the power being less than or equal to maximum transmission power;
Wherein, described K pUSCHand K pUCCHfor predefine value.
54. systems as described in right 53, it is characterized in that, described system also comprises:
Base station, the iterative transfer times for the PUSCH data when described subscriber equipment is greater than K pUSCHtime, notify the power contorl parameters repeating the PUSCH data transmitted that described subscriber equipment is proprietary; When the iterative transfer times of the PUCCH data of described subscriber equipment is greater than or K pUCCHtime, notify the power contorl parameters repeating the PUCCH data transmitted that described subscriber equipment is proprietary.
CN201410262075.7A 2014-06-12 2014-06-12 Power control method, user equipment, base station and system Active CN105282837B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201410262075.7A CN105282837B (en) 2014-06-12 2014-06-12 Power control method, user equipment, base station and system
PCT/CN2014/087271 WO2015188513A1 (en) 2014-06-12 2014-09-24 Power control method, user equipment, base station, system, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410262075.7A CN105282837B (en) 2014-06-12 2014-06-12 Power control method, user equipment, base station and system

Publications (2)

Publication Number Publication Date
CN105282837A true CN105282837A (en) 2016-01-27
CN105282837B CN105282837B (en) 2020-05-19

Family

ID=54832812

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410262075.7A Active CN105282837B (en) 2014-06-12 2014-06-12 Power control method, user equipment, base station and system

Country Status (2)

Country Link
CN (1) CN105282837B (en)
WO (1) WO2015188513A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108513724A (en) * 2018-01-12 2018-09-07 北京小米移动软件有限公司 Data transmission method, device and data sending terminal
CN109728882A (en) * 2017-10-31 2019-05-07 普天信息技术有限公司 A kind of method and device solving uplink channel resources conflict
WO2020199720A1 (en) * 2019-03-29 2020-10-08 中国信息通信研究院 Uplink channel sending power control method and device
WO2020216013A1 (en) * 2019-04-25 2020-10-29 上海朗帛通信技术有限公司 Method and apparatus for use in user equipment for wireless communication, and method and apparatus for use in base station for wireless communication
CN112867125A (en) * 2019-11-28 2021-05-28 三星电子株式会社 Transmission power control of sounding reference signals in wireless communication systems and devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1777084A (en) * 2004-11-16 2006-05-24 华为技术有限公司 Method for regulating power of mixed automatic box transmission request system
US20110039507A1 (en) * 2008-03-21 2011-02-17 Panasonic Corporation Wireless terminal and retransmission method
CN102208967A (en) * 2010-03-31 2011-10-05 中兴通讯股份有限公司 Non-adaptive repeat power control method and device for long term evolution (LTE) terminal
CN102918895A (en) * 2011-05-31 2013-02-06 华为技术有限公司 Power control method in non-adaptive retransmission and user equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101047469B (en) * 2006-04-29 2010-08-25 华为技术有限公司 Channel quality feedback method
CN101977431B (en) * 2010-10-22 2013-06-12 上海华为技术有限公司 Method, device and system for controlling terminal power based on HSUPA

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1777084A (en) * 2004-11-16 2006-05-24 华为技术有限公司 Method for regulating power of mixed automatic box transmission request system
US20110039507A1 (en) * 2008-03-21 2011-02-17 Panasonic Corporation Wireless terminal and retransmission method
CN102208967A (en) * 2010-03-31 2011-10-05 中兴通讯股份有限公司 Non-adaptive repeat power control method and device for long term evolution (LTE) terminal
CN102918895A (en) * 2011-05-31 2013-02-06 华为技术有限公司 Power control method in non-adaptive retransmission and user equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109728882A (en) * 2017-10-31 2019-05-07 普天信息技术有限公司 A kind of method and device solving uplink channel resources conflict
CN109728882B (en) * 2017-10-31 2021-08-03 普天信息技术有限公司 Method and device for solving uplink channel resource conflict
CN108513724A (en) * 2018-01-12 2018-09-07 北京小米移动软件有限公司 Data transmission method, device and data sending terminal
WO2019136686A1 (en) * 2018-01-12 2019-07-18 北京小米移动软件有限公司 Data transmission method and apparatus, and data sending terminal
WO2020199720A1 (en) * 2019-03-29 2020-10-08 中国信息通信研究院 Uplink channel sending power control method and device
CN111757446A (en) * 2019-03-29 2020-10-09 中国信息通信研究院 Method and equipment for controlling transmission power of uplink channel
CN111757446B (en) * 2019-03-29 2021-12-10 中国信息通信研究院 Method and equipment for controlling transmission power of uplink channel
WO2020216013A1 (en) * 2019-04-25 2020-10-29 上海朗帛通信技术有限公司 Method and apparatus for use in user equipment for wireless communication, and method and apparatus for use in base station for wireless communication
CN112867125A (en) * 2019-11-28 2021-05-28 三星电子株式会社 Transmission power control of sounding reference signals in wireless communication systems and devices

Also Published As

Publication number Publication date
WO2015188513A1 (en) 2015-12-17
CN105282837B (en) 2020-05-19

Similar Documents

Publication Publication Date Title
US11743839B2 (en) Method and apparatus for transmitting power headroom information in a communication system
EP2462766B1 (en) Uplink power control in mimo communication system
CN114389664B (en) Wireless communication method, wireless communication device, and storage medium
CN103210688B (en) Uplink transmission power control method and device for distributed antenna mobile communication system
US9049667B2 (en) Transmission power control on a wireless communication device for a plurality of regulated bands or component carriers
CN109088663B (en) Method and device for power adjustment in UE and base station
CN107277908B (en) Power control method and equipment
EP3033912B1 (en) Apparatus and method for controlling transmission for device to device (d2d) communication in wireless communication system
CN110099435B (en) Method and device for power adjustment in UE and base station
US20160198438A1 (en) Communication techniques for delivering information to users experiencing high attenuation
EP2813110B1 (en) Method and arrangement for antenna mode switching
CN102550122A (en) Wireless communication device, base station and methods thereof for antenna port mode and transmission mode transitions
CN102783226A (en) Interaction between accumulative power control and minimum/maximum transmit power in LTE systems
CN102239733A (en) Systems and methods for uplink power control
JP2017510160A (en) Communication technique
CN105282837A (en) Power control method, user equipment, base station, and power control system
CN102869080B (en) Method and device for controlling uplink power
US9554379B2 (en) Method and network node for link adaptation in a wireless communications network
CN101369834B (en) Combined power control method, system and equipment
US20130165169A1 (en) Controlling radio units to transmitting signal with different transmission power
WO2016073033A1 (en) Power control mode for d2d syncharonization signals
CN103327599A (en) Method for reducing channel disturbance and base station
CN104853423A (en) Method and device for connecting UE and base station with multiple service cells
EP3069563B1 (en) Port selection in combined cell of radio access network
CN105900494B (en) Energy-saving method for mobile terminal in wireless network

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant