CN102918895B - Power control method in non-adaptive retransmission and user equipment - Google Patents

Power control method in non-adaptive retransmission and user equipment Download PDF

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CN102918895B
CN102918895B CN201180000891.5A CN201180000891A CN102918895B CN 102918895 B CN102918895 B CN 102918895B CN 201180000891 A CN201180000891 A CN 201180000891A CN 102918895 B CN102918895 B CN 102918895B
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pusch data
transmitting power
length
transmission power
transmission
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CN102918895A (en
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景叔武
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/38TPC being performed in particular situations
    • H04W52/48TPC being performed in particular situations during retransmission after error or non-acknowledgment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/32TPC of broadcast or control channels
    • H04W52/325Power control of control or pilot channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/36TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/362Aspects of the step size
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/36TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367Power values between minimum and maximum limits, e.g. dynamic range

Abstract

A power control method in non-adaptive retransmission and a user equipment are disclosed in the present invention. The method includes: acquiring rising step size of transmission power of Physical Uplink Shared Channel (PUSCH) data; according to the rising step size of the transmission power of the PUSCH data, acquiring the transmission power of retransmission PUSCH data; selecting the minimum value between the transmission power of the retransmission PUSCH data and the maximum transmission power of the user equipment as the transmission power of the current retransmission PUSCH data; and adopting the transmission power of the current retransmission PUSCH data to retransmit the PUSCH data. The embodiments of the present invention can improve system performance.

Description

Poewr control method and subscriber equipment during non-self-adapting retransmits
Technical field
The present invention relates to mobile communication technology, relate in particular to Poewr control method and subscriber equipment in a kind of non-self-adapting re-transmission.
Background technology
Long Term Evolution (Long Term Evolution, LTE) as the evolution of the third generation (3G) technology, improve and strengthened the aerial access technology of 3G, for subscriber equipment (User Equipment, UE), the success rate of its access is extremely important, and higher access success rate is conducive to improve the reliability of system.In whole access procedure, the power control in random access procedure is vital, only has the signal of enough transmitting power guarantee UE transmitting can be by network side, as evolution base station (eNodeB) receives and correct demodulation.If the too high access that can affect other UE of the transmitting power of UE, and too low can not the guarantee of power would successfully be accessed.
In random access procedure, between UE and network side, having a series of Signalling exchange completes and shakes hands, Article 3 message (msg3) is second signaling up in these a series of mutual signalings, so whether msg3 can successfully be received by network side and correct demodulation is to access a successfully vital step at random, and the transmitting power of msg3 signal is to ensure successfully key.Wherein, msg3 is the one in the channel data transmitting in up shared data channel (Physical Uplink Shared Channel, PUSCH).
When after msg3 or the first abortive launch of other PUSCH data, UE can launch again to msg3 or other PUSCH data, and the number of times of re-transmission is configured by system message by network side.Re-transmission is divided into adaptive retransmission and non-self-adapting retransmits, when adaptive retransmission, carry out power adjustment by network side instruction UE, and in the time that non-self-adapting retransmits, be that UE calculates according to previous transmitting power, the transmitting power conventionally calculating is the smaller value in previous transmitting power and maximum transmission power.
In the time that non-self-adapting retransmits, the transmitting power that UE calculates according to previous transmitting power is less than or equal to previous transmitting power, and may still can not meet the demodulation threshold of eNodeB and cause transmitting failure again, finally reach after maximum retransmission, random access will be failed, reduced the reliability of system.
Summary of the invention
The embodiment of the present invention is to provide Poewr control method and the subscriber equipment in a kind of non-self-adapting re-transmission, improves the transmitting power of upstream data, improves the reliability of system.
One aspect of the present invention provides the Poewr control method in a kind of non-self-adapting re-transmission, comprising: the soaring step-length of obtaining up shared data channel PUSCH data transmission power; According to the soaring step-length of above-mentioned PUSCH data transmission power, obtain the transmitting power that retransmits PUSCH data; Get minimum value between transmitting power and the subscriber equipment maximum transmission power of above-mentioned re-transmission PUSCH data and retransmit the transmitting power of PUSCH data as this; The transmitting power that adopts above-mentioned this re-transmission PUSCH data, retransmits above-mentioned PUSCH data.
The present invention provides a kind of subscriber equipment on the other hand, comprising: acquiring unit, for obtaining the soaring step-length of up shared data channel PUSCH data transmission power; The first determining unit, for according to the soaring step-length of above-mentioned PUSCH data transmission power, obtains the transmitting power that retransmits PUSCH data; The second determining unit, retransmits the transmitting power of PUSCH data for getting minimum value between transmitting power and the subscriber equipment maximum transmission power of above-mentioned re-transmission PUSCH data as this; And transmission unit, for adopting the transmitting power of above-mentioned this re-transmission PUSCH data, retransmit above-mentioned PUSCH data.
Technique scheme is by obtaining the soaring step-length of transmitting power, transmitting power when this is retransmitted is than high this soaring step-length of previous transmitting power, can increase along with increasing of number of retransmissions transmitting power, improve the access success rate of UE, improve systematic function.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic diagram of the Poewr control method that Fig. 1 provides for one embodiment of the invention;
The schematic diagram of the Poewr control method that Fig. 2 provides for another embodiment of the present invention;
The schematic diagram of the Poewr control method that Fig. 3 provides for further embodiment of this invention;
The schematic diagram of the subscriber equipment that Fig. 4 provides for one embodiment of the invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The schematic diagram of the Poewr control method that Fig. 1 provides for one embodiment of the invention, comprises following content.
11, obtain the soaring step-length of PUSCH data transmission power.
Alternatively, the soaring step-length of the above-mentioned PUSCH of obtaining data transmission power comprises: receive the configuration information that network side sends, comprise the soaring step-length of above-mentioned PUSCH data transmission power in this configuration information; Or, obtain the default value of the soaring step-length of above-mentioned PUSCH data transmission power, the soaring step-length using the default value of the soaring step-length of this transmitting power as above-mentioned PUSCH data transmission power.
12, according to the soaring step-length of above-mentioned PUSCH data transmission power, obtain the transmitting power that retransmits PUSCH data.
Alternatively, above-mentioned according to the soaring step-length of PUSCH data transmission power, obtain the transmitting power that retransmits PUSCH data, comprising:
Obtain and just catch transmission power level and the number of retransmissions of stating PUSCH data, according to just catching the soaring step-length of stating the transmission power level of PUSCH data, above-mentioned number of retransmissions and above-mentioned PUSCH data transmission power, obtain the transmitting power of above-mentioned re-transmission PUSCH data.Can be specifically, calculate the soaring step-length of above-mentioned PUSCH data transmission power and the product of above-mentioned number of retransmissions, and by this product and above-mentioned just catch state PUSCH data transmission power level and, as the transmitting power of above-mentioned re-transmission PUSCH data.
Or, according to the front transmitting power of above-mentioned PUSCH data and the soaring step-length of above-mentioned PUSCH data transmission power of once sending, obtain the transmitting power of above-mentioned re-transmission PUSCH data.Can be specifically before above-mentioned, once to send the transmitting power of above-mentioned PUSCH data and the soaring step-length sum of the above-mentioned PUSCH data transmission power transmitting power as above-mentioned re-transmission PUSCH data.
13, get minimum value between transmitting power and the UE maximum transmission power of above-mentioned re-transmission PUSCH data and retransmit the transmitting power of PUSCH data as this.
14, adopt above-mentioned this to retransmit the transmitting power of PUSCH data, retransmit above-mentioned PUSCH data.
PUSCH data in above-described embodiment can be specifically msg3 or other PUSCH data.
The present embodiment is by obtaining the soaring step-length of transmitting power, transmitting power when this is retransmitted is than high this soaring step-length of previous transmitting power, can increase along with increasing of number of retransmissions transmitting power, improve the access success rate of UE, improve systematic function.
The schematic diagram of the Poewr control method that Fig. 2 provides for another embodiment of the present invention, the present embodiment is introduced non-self-adapting and retransmits in retransmitting the Poewr control method of PUSCH data in detail, and referring to Fig. 2, the present embodiment comprises following content.
21, determine the transmission power level that just passes PUSCH data.
Wherein, PUSCH data can comprise msg3, and msg5 or PUSCH number pass data etc.
For example can calculate by following formula 2.1 the transmitting power P of the PUSCH data that just pass initPUSCH(i) (unit is dBm):
P initPUSCH(i)=min{P mAX10log 10(M pUSCH(i))+P o_PUSCH(j)+α (j) P pl+ Δ tF(i)+f (i) }-formula 2.1
Wherein: P mAXfor maximum UE transmitting power, unit is dBm; M pUSCH(i) be the transmission bandwidth of i sub-frame of uplink of PUSCH, unit is RB; P o_PUSCH(j) be open loop control parameter (resolution is 1dB), unit is dB; α (j) is path loss compensating factor, dimensionless; P plfor the downlink path loss that UE side is estimated, unit is dB; Δ tF(i) be cell-level parameter, unit is dB; F (i) has power control to adjust step-length, and unit is dB.
22, obtain the soaring step-length δ of PUSCH data transmission power step.
Alternatively, the δ that gets parms step can comprise following two kinds of methods: (1) network side (as eNodeB) configuration, for example be configured by eNodeB, in system message UE being issued at eNodeB, increase the configuration of the soaring step parameter of the PUSCH data transmission power that non-self-adapting is retransmitted, for example eNodeB sends to UE by system message SIB2.(2) default configuration a: δ is set stepdefault value; Do not configure δ at network side stepsituation under, use this δ stepdefault Configuration Values calculates.
23, determine that this retransmits the transmitting power of PUSCH data.
For example, can this retransmit the transmitting power P of PUSCH data by following formula 2.2 calculative determinations rePUSCH(unit is dBm):
P rePUSCH(i)=min{P mAXp initPUSCH+ δ step* N (i)}-formula 2.2
Wherein, P mAXfor maximum UE transmitting power; P initPUSCHfor just passing the transmitting power of PUSCH data; δ stepin non-self-adapting re-transmission, the soaring step-length of PUSCH data transmission power; N (i)in non-self-adapting re-transmission, the number of retransmissions of PUSCH data.
Can first calculate the soaring step-length δ of the transmitting power of PUSCH data stepwith number of retransmissions N (i)product, and by this product and the transmission power level P that just passes PUSCH data initPUSCHand (P initPUSCH+ δ step* N (i)) as the transmitting power that retransmits PUSCH data, then get the transmitting power (P of this re-transmission PUSCH data initPUSCH+ δ step* N (i)) and P mAXbetween minimum value retransmit the transmitting power P of PUSCH data as this rePUSCH.
As another optional embodiment, UE also can be according to the transmitting power of front this re-transmission of the transmitting power calculative determination PUSCH data that once send PUSCH data.For example, can this retransmit the transmitting power of PUSCH data by following formula 2.3 calculative determinations.
P rePUSCH(i)=min{P mAXp pUSCH(i-1)+δ step}-formula 2.3
Wherein, P pUSCH(i-1) be the front transmitting power that once sends PUSCH data; P mAXfor maximum UE transmitting power; δ stepin non-self-adapting re-transmission, the soaring step-length of PUSCH data transmission power.
After obtaining this transmitting power that retransmits PUSCH data, can adopt the transmitting power of above-mentioned this re-transmission PUSCH data, retransmit above-mentioned PUSCH data.
The present embodiment is by obtaining the soaring step-length of PUSCH data transmission power, transmitting power when this is retransmitted is than high this soaring step-length of previous transmitting power, can increase along with increasing of number of retransmissions transmitting power, improve the success rate of the number biography of PUSCH, improve throughput of system.
The schematic diagram of the Poewr control method that Fig. 3 provides for further embodiment of this invention, the PUSCH data in the present embodiment are taking msg3 as example, introduce in detail non-self-adapting and retransmit in retransmitting the Poewr control method of msg3, and referring to Fig. 3, the present embodiment comprises following content.
31, determine the just transmission power level of the msg3 of biography.
For example can calculate by following formula 2.1 the transmitting power P of the msg3 just passing initmsg3(i) (unit is dBm):
P initmsg3(i)=min{P mAX10log 10(M msg3(i))+P o_msg3(j)+α (j) P pl+ Δ tF(i)+f (i) }-formula 3.1
Wherein: P mAXfor maximum UE transmitting power, unit is dBm; M msg3(i) be the transmission bandwidth of i sub-frame of uplink of PUSCH, unit is RB; P o_msg3(j) be open loop control parameter (resolution is 1dB), unit is dB; α (j) is path loss compensating factor, dimensionless; P plfor the downlink path loss that UE side is estimated, unit is dB; Δ tF(i) be cell-level parameter, unit is dB; F (i) has power control to adjust step-length, and unit is dB.
32, obtain the soaring step-length δ of msg3 transmitting power step.
Alternatively, the δ that gets parms stepcan comprise following two kinds of methods: (1) network side (as eNodeB) configuration: be for example configured by eNodeB, in system message UE being issued at eNodeB, increase the configuration of the soaring step parameter of the msg3 transmitting power that non-self-adapting is retransmitted, for example eNodeB sends to UE by system message SIB2.(2) default configuration a: δ is set stepdefault value; Do not configure δ at network side stepsituation under, use this δ stepdefault Configuration Values calculates.
33, determine that this retransmits the transmitting power of msg3.
For example, can this retransmit the transmitting power P of PUSCH data by following formula 3.2 calculative determinations remsg3(i) (unit is dBm):
P remsg3(i)=min{P mAXp initmsg3+ δ step* N (i)}-formula 3.2
Wherein: P initmsg3for the transmitting power of the first msg3 passing; δ stepin non-self-adapting re-transmission, the soaring step-length of msg3 transmitting power; N (i)for the number of retransmissions of msg3 in non-self-adapting re-transmission.
Can first calculate the soaring step-length δ of the transmitting power of msg3 stepwith number of retransmissions N (i)product, and by this product and the transmission power level P that just passes msg3 initmsg3and (P initmsg3+ δ step* N (i)) as the transmitting power that retransmits PUSCH data, then get the transmitting power (P of this re-transmission msg3 initmsg3+ δ step* N (i)) and P mAXbetween minimum value retransmit the transmitting power P of msg3 as this remsg3.
As another optional embodiment, UE also can be according to the transmitting power of front this re-transmission of the transmitting power calculative determination msg3 that once sends msg3.For example, can this retransmit the transmitting power of msg3 by following formula 3.3 calculative determinations.
P remsg3(i)=min{P mAXp msg3(i-1)+δ step}-formula 3.3
Wherein, P msg3(i-1) be previous transmitting power, P mAXfor maximum UE transmitting power; δ stepfor the soaring step-length of msg3 transmitting power in non-self-adapting re-transmission.
After obtaining this transmitting power that retransmits msg3, can adopt the above-mentioned transmitting power that this retransmits msg3 to retransmit this msg3.The present embodiment, only taking msg3 signaling as example, is introduced and is retransmitted PUSCH data power control method, and the Poewr control method that retransmits other PUSCH data can obtain with reference to formula 2.1-2.3 and formula 3.1-3.3, and the application repeats no more.
The present embodiment is by obtaining the soaring step-length of msg3 transmitting power, transmitting power while making this retransmit msg3 is than front high this soaring step-length of transmitting power that once sends msg3, can increase along with increasing of number of retransmissions transmitting power, improve the access success rate of UE, improve systematic function.
The schematic diagram of the subscriber equipment that Fig. 4 provides for one embodiment of the invention, comprising: acquiring unit 41, the first determining unit 42, the second determining unit 43 and transmission unit 44; Acquiring unit 41 is for obtaining the soaring step-length of PUSCH data transmission power; The first determining unit 42, for according to the soaring step-length of above-mentioned PUSCH data transmission power, is obtained the transmitting power that retransmits PUSCH data; The second determining unit 43 retransmits the transmitting power of PUSCH data for getting minimum value between transmitting power and the subscriber equipment maximum transmission power of above-mentioned re-transmission PUSCH data as this; Transmission unit 44, for adopting the transmitting power of above-mentioned this re-transmission PUSCH data, retransmits above-mentioned PUSCH data.
Above-mentioned acquiring unit 41, specifically for receiving the configuration information of network side transmission, comprises the soaring step-length of above-mentioned PUSCH data transmission power in above-mentioned configuration information; Or, obtain the default value of the soaring step-length of above-mentioned PUSCH data transmission power, the soaring step-length using the default value of the soaring step-length of above-mentioned transmitting power as above-mentioned PUSCH data transmission power.
Above-mentioned the first determining unit 42 just catches specifically for obtaining transmission power level and the number of retransmissions of stating PUSCH data; Just catch the soaring step-length of stating the transmission power level of PUSCH data, above-mentioned number of retransmissions and above-mentioned PUSCH data transmission power according to above-mentioned, obtain the transmitting power of above-mentioned re-transmission PUSCH data.Further, the first determining unit 42 can be specifically for calculating the soaring step-length of above-mentioned PUSCH data transmission power and the product of above-mentioned number of retransmissions, and by above-mentioned product and above-mentioned just catch state PUSCH data transmission power level and, as the transmitting power of above-mentioned re-transmission PUSCH data.
Or above-mentioned the first determining unit 42, specifically for according to the front transmitting power of above-mentioned PUSCH data and the soaring step-length of above-mentioned PUSCH data transmission power of once sending, is obtained the transmitting power of above-mentioned re-transmission PUSCH data.Further, the first determining unit 42 can be specifically for once sending the transmitting power of above-mentioned PUSCH data and the soaring step-length sum of the above-mentioned PUSCH data transmission power transmitting power as above-mentioned re-transmission PUSCH data before above-mentioned.Transmission unit 44 can, specifically for adopting the transmitting power of above-mentioned this re-transmission PUSCH data, retransmit msg3 signaling.
The present embodiment is by obtaining the soaring step-length of transmitting power, transmitting power when this is retransmitted is than high this soaring step-length of previous transmitting power, can increase along with increasing of number of retransmissions transmitting power, improve the access success rate of UE, improve systematic function.
Be understandable that the reference mutually of the correlated characteristic in said method and equipment.In addition, " first ", " second " etc. in above-described embodiment are for distinguishing each embodiment, and do not represent the quality of each embodiment.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (12)

1. the Poewr control method in non-self-adapting re-transmission, is characterized in that, comprising:
Obtain the soaring step-length of up shared data channel PUSCH data transmission power;
According to the soaring step-length of described PUSCH data transmission power, obtain the transmitting power that retransmits PUSCH data;
Get minimum value between transmitting power and the subscriber equipment maximum transmission power of the described re-transmission PUSCH data transmitting power as this re-transmission PUSCH data;
The transmitting power that adopts described this re-transmission PUSCH data, retransmits described PUSCH data,
Wherein, described PUSCH data, comprising: msg3 signaling.
2. method according to claim 1, is characterized in that, described in obtain the soaring step-length of PUSCH data transmission power, comprising:
Receive the configuration information that network side sends, in described configuration information, comprise the soaring step-length of described PUSCH data transmission power; Or,
Obtain the default value of the soaring step-length of described PUSCH data transmission power, the soaring step-length using the default value of the soaring step-length of described transmitting power as described PUSCH data transmission power.
3. method according to claim 1 and 2, is characterized in that, described according to the soaring step-length of described PUSCH data transmission power, obtains the transmitting power that retransmits PUSCH data, comprising:
Obtain the transmission power level and the number of retransmissions that just pass described PUSCH data;
According to the described soaring step-length that just passes transmission power level, described number of retransmissions and the described PUSCH data transmission power of described PUSCH data, obtain the transmitting power of described re-transmission PUSCH data.
4. method according to claim 3, it is characterized in that, described according to the described soaring step-length that just passes transmission power level, described number of retransmissions and the described PUSCH data transmission power of described PUSCH data, obtain the transmitting power of the described PUSCH of re-transmission data, comprising:
Calculate the soaring step-length of described PUSCH data transmission power and the product of described number of retransmissions, and by described product and the described transmission power level that just passes described PUSCH data and, as the transmitting power of described re-transmission PUSCH data.
5. method according to claim 1 and 2, is characterized in that, described according to the soaring step-length of described PUSCH data transmission power, obtains the transmitting power that retransmits PUSCH data, comprising:
According to the front transmitting power of described PUSCH data and the soaring step-length of described PUSCH data transmission power of once sending, obtain the transmitting power of described re-transmission PUSCH data.
6. method according to claim 5, is characterized in that, described according to once sending the transmitting power of described PUSCH data and the soaring step-length of described PUSCH data transmission power before described, obtains the transmitting power of described re-transmission PUSCH data, comprising:
Before described, once send the transmitting power of described PUSCH data and the soaring step-length sum of the described PUSCH data transmission power transmitting power as described re-transmission PUSCH data.
7. a subscriber equipment, is characterized in that, comprising:
Acquiring unit, for obtaining the soaring step-length of up shared data channel PUSCH data transmission power;
The first determining unit, for according to the soaring step-length of described PUSCH data transmission power, obtains the transmitting power that retransmits PUSCH data;
The second determining unit, for getting minimum value between transmitting power and the subscriber equipment maximum transmission power of the described re-transmission PUSCH data transmitting power as this re-transmission PUSCH data; With
Transmission unit, for adopting the transmitting power of described this re-transmission PUSCH data, retransmits described PUSCH data;
Wherein, described PUSCH data, comprising: msg3 signaling.
8. equipment according to claim 7, is characterized in that, described acquiring unit specifically for:
Receive the configuration information that network side sends, in described configuration information, comprise the soaring step-length of described PUSCH data transmission power; Or,
Obtain the default value of the soaring step-length of described PUSCH data transmission power, the soaring step-length using the default value of the soaring step-length of described transmitting power as described PUSCH data transmission power.
9. according to the equipment described in claim 7 or 8, it is characterized in that, described the first determining unit specifically for:
Obtain the transmission power level and the number of retransmissions that just pass described PUSCH data;
According to the described soaring step-length that just passes transmission power level, described number of retransmissions and the described PUSCH data transmission power of described PUSCH data, obtain the transmitting power of described re-transmission PUSCH data.
10. equipment according to claim 9, is characterized in that, described the first determining unit specifically for:
Calculate the soaring step-length of described PUSCH data transmission power and the product of described number of retransmissions, and by described product and the described transmission power level that just passes described PUSCH data and, as the transmitting power of described re-transmission PUSCH data.
11. according to the equipment described in claim 7 or 8, it is characterized in that, described the first determining unit specifically for:
According to the front transmitting power of described PUSCH data and the soaring step-length of described PUSCH data transmission power of once sending, obtain the transmitting power of described re-transmission PUSCH data.
12. equipment according to claim 11, is characterized in that, described the first determining unit specifically for:
Before described, once send the transmitting power of described PUSCH data and the soaring step-length sum of the described PUSCH data transmission power transmitting power as described re-transmission PUSCH data.
CN201180000891.5A 2011-05-31 2011-05-31 Power control method in non-adaptive retransmission and user equipment Active CN102918895B (en)

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