CN107623942A - The method of adjustment and device of ascending power - Google Patents

The method of adjustment and device of ascending power Download PDF

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Publication number
CN107623942A
CN107623942A CN201610556754.4A CN201610556754A CN107623942A CN 107623942 A CN107623942 A CN 107623942A CN 201610556754 A CN201610556754 A CN 201610556754A CN 107623942 A CN107623942 A CN 107623942A
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path loss
power
descending path
difference
actual
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CN201610556754.4A
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CN107623942B (en
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李中洋
石昕娅
李贝贝
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2017/091071 priority patent/WO2018010553A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a kind of method of adjustment of ascending power and device.Wherein, this method includes：The first descending path loss and the second descending path loss are determined, wherein, the first descending path loss is the descending path loss that user equipment (UE) measures, and the second descending path loss is actual descending path loss；Power adjustment message is generated based on the difference of the first descending path loss and the second descending path loss, wherein, power adjustment message is used for the ascending power for adjusting UE；Power adjustment message is issued to UE.The present invention, which solves user equipment (UE) in correlation technique, can not accurately adjust the technical problem of transmission power.

Description

The method of adjustment and device of ascending power
Technical field
The present invention relates to the communications field, in particular to the method for adjustment and device of a kind of ascending power.
Background technology
In 3GPP LTE (Long Term Evolution, Long Term Evolution) system, in order to avoid problem of co-channel interference and Relevant issues caused by frequent switching, LTE network solve problem by the way of cell is merged, i.e., by several physical district IDs Different individual cells, the logic district with a PCI (PCI, Physical Cell Identifier) is merged into, merged Logic district afterwards is also referred to as super cell (SuperCell), and originally independent each physical area becomes super cell A part (CP, Cell Portion).The CP that whole cell scheduling is controlled in SuperCell is the main CP of cell-level, and its His non-scheduled CP is the auxiliary CP of cell-level.
In real network covering, through being placed on macro station (Macro Cell) covering model frequently with micro- station (Micro Cell) Interior progress focus covering (Hot compensation) is enclosed, as shown in Figure 1.In order to avoid the co-channel interference between grand micro-base station, Grand Microcell covering uses the grand micro- isomery super cell of cell combining pattern formation one, wherein Macro Cell and Micro Cell is referred to as a CP (such as Macro CP0 and Micro CP1) for grand micro- isomery super cell, and Macro Cell and Micro Cell can be as the main CP of super cell.
In grand micro- super cell, super cell generally inherits the PCI for incorporating former macro station cell or micro- station cell, ginseng Examine the configuration informations such as signal power, system information block.For LTE network, the descending maximum transmission power of macro station is left in 40w The right side, and the descending maximum transmit power in micro- station is in 1w or 50mw, so in the super cell of grand micro- isomery, grand micro-base station it Between reference signal power configuration variance about 20dB, some scenes even up to 30dB.As shown in figure 1, when the ginseng of cell configuration It is macro station RRU (Radio Remote to examine signal power (Reference Signal Receiving Power, RSRP) During transmission power Unite), UE1 is in micro- station coverage, and the PL that UE1 calculates according to reference signal is more than actual PL (i.e. PL1 is more than PL2).Otherwise when the reference signal power of cell configuration is micro- station RRU transmission power, UE2 is in macro station covering Scope, the PL that UE2 calculates according to reference signal are less than actual PL.Under above-mentioned scene, if closed only with current PUSCH Ring circule power control method can produce following problem to adjust UE power：
UE can be because the PL calculated be more than actual PL, and causes PUSCH transmission powers excessive so that power dissipation, increase Uplink interference.
UE can be because the PL calculated be less than actual PL, and causes PUSCH transmission powers insufficient so that the risk of uplink loss Increase, reduces Consumer's Experience.
The technical problem of transmission power can not be accurately adjusted for user equipment (UE) in correlation technique, not yet proposes have at present The solution of effect.
The content of the invention
The embodiments of the invention provide a kind of method of adjustment of ascending power and device, at least to solve to use in correlation technique Family equipment UE can not accurately adjust the technical problem of transmission power.
One side according to embodiments of the present invention, there is provided a kind of method of adjustment of ascending power, this method include：Really Fixed first descending path loss and the second descending path loss, wherein, the first descending path loss is the descending path loss that user equipment (UE) measures, the Two descending path losses are actual descending path loss；Based on the difference of the first descending path loss and the second descending path loss generation power adjustment letter Breath, wherein, power adjustment message is used for the ascending power for adjusting UE；Power adjustment message is issued to UE.
Further, it is determined that the first descending path loss and the second descending path loss include：Receive the uplink power margin that UE is reported PHR；Pass through base station measurement UE ascending power value；Determined by PHR and UE ascending power value under the first descending path loss and second Walking along the street is damaged.
Further, base station includes macro station and micro- station, wherein, included by base station measurement UE ascending power value：Pass through Macro station measures UE to the ascending power value of macro station；UE is measured to the ascending power value at micro- station by micro- station.
Further, determine that the first descending path loss and the second descending path loss include by PHR and UE ascending power value：Pass through PHR calculates the actual uplink transmit power of UE the first descending path loss and UE；To multiple UE that measurement obtains to the upper of macro station Row performance number is smoothed, and obtains the first smooth power value, the ascending power value to multiple UE that measurement obtains to micro- station It is smoothed, obtains the second smooth power value；Determine between the first smooth power value and UE actual uplink transmit power Difference is first actual path losses of the UE to macro station, and the difference between the second smooth power value and UE actual uplink transmit power is UE To the second actual path loss at micro- station, wherein, the second descending path loss includes the first actual path loss and the second actual path loss.
Further, based on power adjustment message bag corresponding to the generation of the difference of the first descending path loss and the second descending path loss Include：Obtain the first difference of the first descending path loss and the first actual path loss, the second of the first descending path loss and the second actual path loss Difference；Based on power adjustment message corresponding to the first difference and the generation of the second difference.
Further, issuing the power adjustment message of the ascending power for adjusting UE includes to UE：It is active to issue carrying The RRCConnectionRecofig configuration informations of rate adjustment information are to UE；Or issue the TPC lives for carrying power adjustment message Make to UE.
Further, included based on power adjustment message corresponding to the first difference and the generation of the second difference：Acquisition is matched somebody with somebody in advance PThr, PThr1, the PThr2 put；If the first difference △ PL1>0th, the second difference △ PL2<(- PThr) and min (△ PL1, △ PL2)<PThr1, then generate the power adjustment message for reducing power, wherein, power adjustment message with The mode of RRCConnectionRecofig configuration informations is sent to UE；If △ PL1>0、△PL2<(- PThr) and (- PThr1) ≤ min (△ PL1, △ PL2)<(- PThr), then the power adjustment message for reducing power is generated, wherein, power adjustment message Sent in a manner of TPC command；If △ PL1>0th, △ PL2 ＞ PThr and max (△ PL1, △ PL2) >=PThr, then generate and be used for The power adjustment message of hoisting power, wherein, power adjustment message is sent in a manner of RRCConnectionRecofig to UE； If △ PL1>0th, △ PL2 ＞ PThr and PThr≤max (△ PL1, △ PL2) ＜ PThr2, then generate the power for hoisting power Adjustment information, wherein, power adjustment message is sent in a manner of TPC command.
Other side according to embodiments of the present invention, there is provided a kind of adjusting apparatus of ascending power, the device include： Determining unit, for determining the first descending path loss and the second descending path loss, wherein, the first descending path loss measures for user equipment (UE) The descending path loss arrived, the second descending path loss are actual descending path loss；Generation unit, for based on the first descending path loss and second The difference generation power adjustment message of descending path loss, wherein, power adjustment message is used for the ascending power for adjusting UE；Lower bill Member, for issuing power adjustment message to UE.
Further, it is determined that unit includes：Receiving module, the uplink power margin PHR reported for receiving UE；Measure mould Block, for the ascending power value by base station measurement UE；Determining module, for determining first by PHR and UE ascending power value Descending path loss and the second descending path loss.
Further, base station includes macro station and micro- station, wherein, measurement module includes：First measurement submodule, for passing through Macro station measures UE to the ascending power value of macro station；Second measurement submodule, for measuring UE to the up work(at micro- station by micro- station Rate value.
Further, it is determined that module includes：Calculating sub module, for calculated by PHR UE the first descending path loss and UE actual uplink transmit power；Submodule is handled, for being carried out to multiple UE that measurement obtains to macro station ascending power value Smoothing processing, the first smooth power value being obtained, the multiple UE obtained to measurement are smoothed to the ascending power value at micro- station, Obtain the second smooth power value；Determination sub-module, between the first smooth power value of determination and UE actual uplink transmit power Difference be UE to macro station the first actual path loss, the difference between the second smooth power value and UE actual uplink transmit power is UE to micro- station the second actual path loss, wherein, the second descending path loss includes the first actual path loss and the second actual path loss.
Further, generation unit includes：Acquisition module, for obtaining the of the first descending path loss and the first actual path loss Second difference of one difference, the first descending path loss and the second actual path loss；Generation module, for poor based on the first difference and second Power adjustment message corresponding to value generation.
Further, issuance unit includes：First issues module, and power adjustment message is carried for issuing RRCConnectionRecofig configuration informations are to UE；Second issues module, and the TPC of power adjustment message is carried for issuing Order to UE.
According to another embodiment of the invention, there is provided a kind of storage medium, storage medium can be configured to store For performing the program code of following steps：The first descending path loss and the second descending path loss are determined, wherein, the first descending path loss is The descending path loss that user equipment (UE) measures, the second descending path loss are actual descending path loss；Based on the first descending path loss and The difference generation power adjustment message of two descending path losses, wherein, power adjustment message is used for the ascending power for adjusting UE；Issue work( Rate adjustment information is to UE.
In embodiments of the present invention, the first descending path loss and the second descending path loss are determined, the first descending path loss sets for user The descending path loss that standby UE is measured, the second descending path loss are actual descending path loss；It is descending based on the first descending path loss and second The difference generation power adjustment message of path loss, wherein, power adjustment message is used for the ascending power for adjusting UE；Issue power adjustment For information to UE, user equipment (UE) can not accurately adjust the technical problem of transmission power so as to solving in correlation technique, realize The technique effect of accurate adjustment transmission power.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the cell in correlation technique；
Fig. 2 is the schematic diagram of terminal according to embodiments of the present invention；
Fig. 3 is the flow chart of the method for adjustment of ascending power according to embodiments of the present invention；
Fig. 4 is the flow chart of the method for adjustment of optional ascending power according to embodiments of the present invention；
Fig. 5 is the schematic diagram of the adjusting apparatus of ascending power according to embodiments of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
The embodiment of the method that the embodiment of the present application one is provided can be in mobile terminal, terminal or similar fortune Calculate and performed in device.Exemplified by running on computer terminals, as shown in Fig. 2 terminal can include one or more (processor 101 can include but is not limited to Micro-processor MCV or programmable logic device to (one is only shown in figure) processor 101 Part FPGA etc. processing unit), the memory 103 for data storage and the transmitting device 105 for communication function.This Field those of ordinary skill is appreciated that the structure shown in Fig. 2 is only to illustrate, and it is not caused to the structure of above-mentioned electronic installation Limit.
Memory 103 can be used for the software program and module of storage application software, such as the equipment in the embodiment of the present invention Control method corresponding to programmed instruction/module, processor 101 by operation be stored in software program in memory 103 with And module, so as to perform various function application and data processing, that is, realize above-mentioned method.Memory may include random at a high speed Memory, nonvolatile memory is may also include, such as one or more magnetic storage device, flash memory or other are non-volatile Property solid-state memory.In some instances, memory can further comprise relative to the remotely located memory of processor, these Remote memory can pass through network connection to terminal.The example of above-mentioned network includes but is not limited to internet, enterprise In-house network, LAN, mobile radio communication and combinations thereof.
Transmitting device is used to data are received or sent via a network.Above-mentioned network instantiation may include to calculate The wireless network that the communication providerses of machine terminal provide.In an example, transmitting device includes a network adapter (Network Interface Controller, NIC), its can be connected by base station with other network equipments so as to interconnection Net is communicated.In an example, transmitting device can be radio frequency (Radio Frequency, RF) module, and it is used to pass through Wireless mode is communicated with internet.
According to embodiments of the present invention, there is provided a kind of embodiment of the method for the method of adjustment of ascending power, it is necessary to explanation It is that can be performed the step of the flow of accompanying drawing illustrates in the computer system of such as one group computer executable instructions, Also, although logical order is shown in flow charts, in some cases, can be with different from order execution herein Shown or described step.
Fig. 3 is the flow chart of the method for adjustment of ascending power according to embodiments of the present invention, as shown in figure 3, this method bag Include following steps：
Step S301, the first descending path loss and the second descending path loss are determined, wherein, the first descending path loss is user equipment (UE) The descending path loss measured, the second descending path loss are actual descending path loss.
Step S302, power adjustment message is generated based on the difference of the first descending path loss and the second descending path loss, wherein, work( Rate adjustment information is used for the ascending power for adjusting UE.
Step S303, power adjustment message is issued to UE.
By above-described embodiment, the first descending path loss and the second descending path loss are determined, the first descending path loss is user equipment The descending path loss that UE is measured, the second descending path loss are actual descending path loss；Based on the first descending path loss and second time walking along the street The difference generation power adjustment message of damage, wherein, power adjustment message is used for the ascending power for adjusting UE；Issue power adjustment letter For breath to UE, user equipment (UE) can not accurately adjust the technical problem of transmission power so as to solving in correlation technique, realize standard The really technique effect of adjustment transmission power.
Alternatively, the executive agent of above-mentioned steps can be the similar terminal such as base station, but not limited to this.
In step S301, determine that the first descending path loss and the second descending path loss include：Receive the ascending power that UE is reported Surplus PHR；Pass through base station measurement UE ascending power value；First descending path loss and are determined by PHR and UE ascending power value Two descending path losses.
Alternatively, base station includes macro station and micro- station, wherein, included by base station measurement UE ascending power value：By grand Stand and measure UE to the ascending power value of macro station；UE is measured to the ascending power value at micro- station by micro- station.
Base station receives the uplink power margin (PHR, Power Head Room) that UE is reported, and calculates UE's by PHR The PL that up actual transmission power and UE sides calculate.
In an optional embodiment, the first descending path loss and second descending is determined by PHR and UE ascending power value Path loss includes：The actual uplink transmit power of UE the first descending path loss and UE is calculated by PHR；Measurement is obtained multiple UE is smoothed to the ascending power value of macro station, obtains the first smooth power value, to multiple UE that measurement obtains to micro- station Ascending power value be smoothed, obtain the second smooth power value；Determine the first smooth power value and UE actual uplink Difference between transmit power is macro station path loss (the i.e. first actual path loss), and the second smooth power value and UE actual uplink send work( Difference between rate damages (the i.e. second actual path loss) for micro- stop, wherein, the second descending path loss includes macro station path loss and micro- stop is damaged.
In another optional embodiment, based on corresponding to the generation of the difference of the first descending path loss and the second descending path loss Power adjustment message includes：Obtain the first difference of the first descending path loss and the first actual path loss, the first descending path loss and second Second difference of actual path loss；Based on power adjustment message corresponding to the first difference and the generation of the second difference.
The each CP of super cell obtains UE ascending power value by out-hole run, in measurement window W, to effective measurement Value is smoothed, and respectively obtains the grand micro- CP of super cell up smooth power value.The grand up glossmeter power meters of micro- CP Calculating formula is：
Wherein, Pref(UEID,CPID)=PAver(UEID,CPID)/PMAX(UEID),
It is uplink received power smoothing factor.
For the smooth value at (t-1) moment.
PMAX(UEID), represent the maximum of the mean receiving power on each CP.
PAver(UEID,CPID) mean receiving powers of the UE on each CP on single RB is represented, ID is UE or CP numbering.
The grand up glossmeter rating formulas of micro- CP are quoted from a kind of wireless communication coverages of patent CN201210024387 Method and system.The up actual transmission work(of UE obtained in smooth power value and previous step that base station is safeguarded according to each CP Rate, calculate the actual path loss PL that UE reaches grand micro- CPmacro(i.e. macro station path loss, PL represent path loss, and English full name is Path ) and PL Losspico(i.e. micro- stop damage).
Base station reaches grand micro- CP actual path loss PL according to UEmacroAnd PLpicoCalculate macro station path loss and micro- stop damage.Meter Calculate formula：Macro station path loss is represented, Represent that micro- stop is damaged, in formula SymbolExpression rounds downwards.
Optionally, issuing the power adjustment message of the ascending power for adjusting UE includes to UE：Issue and carry power The RRCConnectionRecofig configuration informations (i.e. RRC reconfiguration messages) of adjustment information are to UE；Or issue and carry power tune The TPC command of whole information (is used for the order for controlling transmission power, TPC full name is Transmission Power Control) to UE.
Optionally, included based on power adjustment message corresponding to the first difference and the generation of the second difference：Acquisition is pre-configured with PThr, PThr1, PThr2；If the first difference △ PL1>0th, the second difference △ PL2<(- PThr) and min (△ PL1, △ PL2)< PThr1, then generate the power adjustment message for reducing power, wherein, power adjustment message with The mode of RRCConnectionRecofig configuration informations is sent to UE；If △ PL1>0、△PL2<(- PThr) and (- PThr1) ≤ min (△ PL1, △ PL2)<(- PThr), then the power adjustment message for reducing power is generated, wherein, power adjustment message Sent in a manner of TPC command；If △ PL1>0th, △ PL2 ＞ PThr and max (△ PL1, △ PL2) >=PThr, then generate and be used for The power adjustment message of hoisting power, wherein, power adjustment message is sent in a manner of RRCConnectionRecofig to UE； If △ PL1>0th, △ PL2 ＞ PThr and PThr≤max (△ PL1, △ PL2) ＜ PThr2, then generate the power for hoisting power Adjustment information, wherein, power adjustment message is sent in a manner of TPC command.
Specifically, base station is according to Δ PL1With Δ PL2Judge the mode to UE progress ascending power adjustment.According to judgement power Up-regulation or lower by the way of.Court verdict has following several：
Judgement 1：If max (| Δ PL1|,|ΔPL2|)<PThr, then without the adjustment of power.
PThr is the judging threshold of power adjustment.
Judgement 2：If Δ PL1>0, Δ PL2<- Pthr, and Δ PL=min (Δ PL1,ΔPL2)≤Pthr1, then use down Hair RRCConnectionRecofig mode matches somebody with somebody P again0_ueIt is quick to reduce power, P0_ueThe power reference issued for base station to UE Value.Base station first determine whether again with timer it is whether overtime, if had not timed out, according to judgement 3 perform；It is if it times out, initial Change f (i)=0 and match somebody with somebody timer again, and calculate weight dispensing UE P0_ueIt is worth for P0_ue=max (Δ PL+f (i)+P'0_ue,8), wherein P'0_ueFor the P of each UE most initials of base station maintenance0_ue。
Judgement 3：If Δ PL1>0, Δ PL2<- Pthr and-PThr1≤min(ΔPL1,ΔPL2)<- PThr, then use down Send out adjusting power, wherein Δ PL=min (Δ PL under the mode of TPC command1,ΔPL2).Base station calculates and issues δPUSCH=-1 TPC Times N=| Δ PL |, update f (i)=f (i)+δ after adjustment every timePUSCH(i)。
Judgement 4：If Δ PL1>0, Δ PL2>PThr and Δ PL=max (Δ PL1,ΔPL2) >=PThr, then use and issue RRCConnectionRecofig mode matches somebody with somebody P again0_ueFast lifting power.Base station first determines whether surpass with timer again When, if had not timed out, performed according to judgement 5；If it times out, reinitializing f (i)=0 and matching somebody with somebody timer again, and calculate Weight dispensing UE P0_ueIt is worth for P0_ue=min (Δ PL+f (i)+P'0_ue,7), wherein, P'0_ueAttach most importance to preceding base station maintenance P0_ue。
Judgement 5：If Δ PL1>0, Δ PL2>PThr and PThr≤max (Δ PL1,ΔPL2)<PThr2, then use and issue Adjusting power in the mode of TPC command, wherein Δ PL=max (Δ PL1,ΔPL2).Base station calculates and issues δPUSCH=3 TPC time Number N1=| Δ PL/3 | and issue δPUSCH=1 TPC times N 2=Δs PL-3N1.Updated every time after adjustment f (i)=f (i)+ δPUSCH(i)。
Threshold value in above-mentioned judgement：PThr, PThr1, PThr2, these three parameters are the judging threshold of power adjustment, For judging that power is rising or decline, and judging is adjusted using which kind of mode, is according to emulation and actual survey Test result synthesis is drawn, need to be collected in view of macro station CP and micro- station CP radius, cell reference signals power, channel quality, activation Deng many factors.
Base station is issued to UE and matched somebody with somebody again or TPC command according to Power Control court verdict and power computation.
In the above-described embodiments, under the scene of grand micro- isomery super cell, using methods described, with prior art phase Than overcoming existing PUSCH transmit powers method and adjusting the defects of insufficient in power control, reduce mobile UE and moved in hotspot range When ascending power waste, reduce the risk of network uplink hydraulic performance decline and mobile UE uplink loss.
Embodiments herein is described in detail with reference to specific application scenarios.
Using example 1
Scene description：The reference signal power value launched by macro station RRU is believed in reference of super cell broadcast, UE from Macro CP0 move to Micro CP1.
Step S401, UE report PHR after entering Micro CP1, and base station receives the PHR that UE is reported.
Step S402, the PHR that base station reports according to UE estimate UE " calculating path loss " and UE actual emission powers.
Step S403, base station are worth according to the smooth power that each CP is safeguarded in UE actual emission power and measurement window W " actual path loss " to UE to grand micro- CP.I.e. according to the smooth work(that each CP is safeguarded in UE actual emission power and measurement window W Rate value calculates UE to grand micro- CP " actual circuit loss value ".
Step S404, base station calculates grand CP according to " the actual path loss " of " calculating path loss " and grand micro- CP and micro- CP is respective Path loss difference.Grand micro- CP path loss difference is calculated according to " calculating circuit loss value " and " actual circuit loss value ".
Step S405, according to grand micro- CP path loss difference, judge whether the thresholding for having reached power decreasing, be to perform step S408, otherwise perform step S406.Because UE enters Micro CP1, " calculating circuit loss value " is more than " actual circuit loss value ", reached The thresholding of power decreasing, into next step.
Step S408, if using UE transmission powers are lowered with P0 again, be then to perform step S409, otherwise perform step S412.Less value in grand micro- CP path loss differences is taken to judge to lower the mode of UE power, it is assumed that UE " calculating circuit loss value " and " reality Circuit loss value " has larger gap, and judgement uses to issue matches somebody with somebody P again0_ueMode lower UE power.
Step S409, judge again, if had not timed out if execution step S412, by issue TPC whether overtime with timer Mode under adjusting power, if matching somebody with somebody timer expiry again, into next step, perform step S410.
Step S410, new P is calculated according to path loss difference0_ue, initial f (i)=0 and restart and match somebody with somebody timer again.
Step S411, base station are issued with new P0_ueQuickly reduce UE transmission power with signaling again.
Step S412, by way of issuing TPC under adjusting power, calculate and issue TPC times N.
Step S413, continuously issue n times TPC.
Using example 2
Scene description：The reference signal power value launched by micro- station RRU is believed in reference of super cell broadcast, UE from Micro CP1 are to mobile Macro CP0.
Step S401, UE report PHR after entering Macro CP0, and base station receives the PHR that UE is reported.
Step S402, the PHR that base station reports according to UE estimate UE " calculating path loss " and UE actual emission powers.
Step S403, the smooth power value meter of base station each CP maintenances in the actual emission power and measurement window W according to UE Calculate UE to grand micro- CP " actual circuit loss value ".
Step S404, base station calculates grand CP according to " the actual path loss " of " calculating path loss " and grand micro- CP and micro- CP is respective Path loss difference.I.e. base station calculates grand micro- CP path loss difference according to " calculating circuit loss value " and " actual circuit loss value ".
Step S405, according to grand micro- CP path loss difference, judge whether the thresholding for having reached power decreasing, be to perform step S408, otherwise perform step S406.Because this UE enters Macro CP0, " calculating circuit loss value " is less than " actual circuit loss value ", no The thresholding of power decreasing can be reached, into next step.
Step S406, judges whether grand micro- CP path loss difference has reached the thresholding of power up-regulation again, is to perform step S407, otherwise perform step S401.Because " calculating circuit loss value " is less than " actual circuit loss value ", power up-regulation thresholding is reached, is entered In next step.
Step S407, if using again with P0 up-regulation UE transmission powers.It is then to perform step S409, otherwise performs step S412.Less value in grand micro- CP path loss differences is taken to judge to lower the mode of UE power, it is assumed that UE " calculating circuit loss value " and " reality Circuit loss value " gap is smaller, judges to raise UE power by the way of TPC command is issued.
Step S412, the number issued according to path loss difference calculating TPC.
Step S413, base station issues continuous N, and this issues TPC.
Implementation column can be seen that relative to prior art in summary, the closed-loop uplink power control provided in above-mentioned implementation column Method and system, improved for the UE power calculation modes of grand micro- isomery super cell, reduce mobile UE in focus Ascending power when scope moves wastes, and reduces the risk of network uplink hydraulic performance decline and mobile UE uplink loss.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate Machine, server, or network equipment etc.) perform method described in each embodiment of the present invention.
Embodiment 2
A kind of adjusting apparatus of ascending power is additionally provided in the embodiment of the present invention.The device is used to realize above-described embodiment And preferred embodiment, carried out repeating no more for explanation.As used below, term " module " can be realized predetermined The combination of the software and/or hardware of function.Although device described by following examples is preferably realized with software, firmly Part, or the realization of the combination of software and hardware is also what may and be contemplated.
Fig. 5 is the schematic diagram of the adjusting apparatus of ascending power according to embodiments of the present invention.As shown in figure 5, the device can With including：Determining unit 51, generation unit 52 and issuance unit 53.
Determining unit 51, for determining the first descending path loss and the second descending path loss, wherein, the first descending path loss is user The descending path loss that equipment UE measures, the second descending path loss are actual descending path loss.
Generation unit 52, for generating power adjustment message based on the difference of the first descending path loss and the second descending path loss, Wherein, power adjustment message is used for the ascending power for adjusting UE.
Issuance unit 53, for issuing power adjustment message to UE.
By above-described embodiment, determining unit determines the first descending path loss and the second descending path loss, and the first descending path loss is The descending path loss that user equipment (UE) measures, the second descending path loss are actual descending path loss；It is descending that generation unit is based on first The difference of path loss and the second descending path loss generates power adjustment message, and power adjustment message is used for the ascending power for adjusting UE；Under Bill member issues power adjustment message to UE, and transmission power can not be accurately adjusted so as to solve user equipment (UE) in correlation technique Technical problem, realize the technique effect of accurate adjustment transmission power.
In the above-described embodiments, determining unit includes：Receiving module, the uplink power margin PHR reported for receiving UE； Measurement module, for the ascending power value by base station measurement UE；Determining module, for true by PHR and UE ascending power value Fixed first descending path loss and the second descending path loss.
Alternatively, base station includes macro station and micro- station, wherein, measurement module includes：First measurement submodule, for by grand Stand and measure UE to the ascending power value of macro station；Second measurement submodule, for measuring UE to the ascending power at micro- station by micro- station Value.
In an optional embodiment, determining module includes：Calculating sub module, for calculating the of UE by PHR Walking along the street once is damaged and UE actual uplink transmit power；Submodule is handled, for multiple UE that measurement obtains to macro station Row performance number is smoothed, and obtains the first smooth power value, the ascending power value to multiple UE that measurement obtains to micro- station It is smoothed, obtains the second smooth power value；Determination sub-module, for determining the first smooth power value and UE actually Difference between row transmit power is the first actual path loss (i.e. macro station path loss), and the second smooth power value and UE actual uplink are sent Difference between power is the first actual path loss (i.e. micro- stop damage), wherein, the second descending path loss includes macro station path loss and micro- stop Damage.
In another optional embodiment, generation unit includes：Acquisition module, for obtaining the first descending path loss and the Second difference of the first difference of one actual path loss, the first descending path loss and the second actual path loss；Generation module, for based on Power adjustment message corresponding to one difference and the generation of the second difference.
Optionally, issuance unit includes：First issues module, and power adjustment message is carried for issuing RRCConnectionRecofig configuration informations are to UE；Second issues module, and the TPC of power adjustment message is carried for issuing Order to UE.
Implementation column can be seen that relative to prior art in summary, the closed-loop uplink power control provided in above-mentioned implementation column Method and system, improved for the UE power calculation modes of grand micro- isomery super cell, reduce mobile UE in focus Ascending power when scope moves wastes, and reduces the risk of network uplink hydraulic performance decline and mobile UE uplink loss.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any The form of combination is located in different processors respectively.
Embodiment 3
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can The program code for performing following steps to be arranged to storage to be used for：
S1, the first descending path loss and the second descending path loss are determined, wherein, the first descending path loss measures for user equipment (UE) Descending path loss, the second descending path loss is actual descending path loss；
S2, power adjustment message is generated based on the difference of the first descending path loss and the second descending path loss, wherein, power adjustment Information is used for the ascending power for adjusting UE；
S3, power adjustment message is issued to UE.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：
S4, receive the uplink power margin PHR that UE is reported；Pass through base station measurement UE ascending power value；
S5, the first descending path loss and the second descending path loss are determined by PHR and UE ascending power value.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. is various can be with the medium of store program codes.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：Determine first Descending path loss and the second descending path loss, wherein, the first descending path loss is the descending path loss that user equipment (UE) measures, and second is descending Path loss is actual descending path loss；Power adjustment message is generated based on the difference of the first descending path loss and the second descending path loss, its In, power adjustment message is used for the ascending power for adjusting UE；Power adjustment message is issued to UE.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：Receive on UE The uplink power margin PHR of report；Pass through base station measurement UE ascending power value；First is determined by PHR and UE ascending power value Descending path loss and the second descending path loss.
Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment Example, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (13)

  1. A kind of 1. method of adjustment of ascending power, it is characterised in that including：
    The first descending path loss and the second descending path loss are determined, wherein, the first descending path loss is what user equipment (UE) measured Descending path loss, the second descending path loss are actual descending path loss；
    Power adjustment message is generated based on the difference of the described first descending path loss and the second descending path loss, wherein, the work( Rate adjustment information is used for the ascending power for adjusting the UE；
    The power adjustment message is issued to the UE.
  2. 2. according to the method for claim 1, it is characterised in that determine that the first descending path loss and the second descending path loss include：
    Receive the uplink power margin PHR that the UE is reported；
    Pass through the ascending power value of UE described in base station measurement；
    Described first descending path loss and the second descending path loss are determined by the PHR and UE ascending power value.
  3. 3. according to the method for claim 2, it is characterised in that the base station includes macro station and micro- station, wherein, pass through base station Measuring the ascending power value of the UE includes：
    The UE is measured to the ascending power value of the macro station by the macro station；
    The UE is measured to the ascending power value at micro- station by micro- station.
  4. 4. according to the method for claim 3, it is characterised in that institute is determined by the PHR and the UE ascending power value Stating the first descending path loss and the second descending path loss includes：
    The first descending path loss of the UE and the actual uplink transmit power of the UE are calculated by the PHR；
    The multiple UE obtained to measurement are smoothed to the ascending power value of the macro station, obtain the first smooth power Value, the multiple UE obtained to measurement are smoothed to the ascending power value at micro- station, obtain the second smooth power Value；
    It is UE to the first of macro station to determine the difference between the first smooth power value and the actual uplink transmit power of the UE Difference between actual path loss, the second smooth power value and the UE actual uplink transmit power is the UE to micro- station Second actual path loss, wherein, the second descending path loss includes the described first actual path loss and the second actual path loss.
  5. 5. according to the method for claim 4, it is characterised in that based on the described first descending path loss and second time walking along the street Power adjustment message corresponding to the difference generation of damage includes：
    Obtain the first difference of the described first descending path loss and the described first actual path loss, the first descending path loss and described the Second difference of two actual path losses；
    Based on power adjustment message corresponding to first difference and second difference generation.
  6. 6. according to the method for claim 5, it is characterised in that issue the work(of the ascending power for adjusting the UE Rate adjustment information includes to the UE：
    Issue and carry the RRCConnectionRecofig configuration informations of the power adjustment message to the UE；Or
    Issue and carry the TPC command of the power adjustment message to the UE.
  7. 7. according to the method for claim 6, it is characterised in that based on first difference and second difference generation pair The power adjustment message answered includes：
    Obtain PThr, PThr1, the PThr2 being pre-configured with；
    If the first difference △ PL1>0th, the second difference △ PL2<(- PThr) and min (△ PL1, △ PL2)<PThr1, The power adjustment message for reducing power is then generated, wherein, the power adjustment message is with RRCConnectionRecofig The mode of configuration information is sent to the UE；
    If △ PL1>0、△PL2<(- PThr) and (- PThr1)≤min (△ PL1, △ PL2)<(- PThr), then generate for dropping The power adjustment message of low-power, wherein, the power adjustment message is sent in a manner of TPC command；
    If △ PL1>0th, △ PL2 ＞ PThr and max (△ PL1, △ PL2) >=PThr, then the power tune for hoisting power is generated Whole information, wherein, the power adjustment message is sent in a manner of RRCConnectionRecofig to the UE；
    If △ PL1>0th, △ PL2 ＞ PThr and PThr≤max (△ PL1, △ PL2) ＜ PThr2, then generate for hoisting power Power adjustment message, wherein, the power adjustment message is sent in a manner of TPC command.
  8. A kind of 8. adjusting apparatus of ascending power, it is characterised in that including：
    Determining unit, for determining the first descending path loss and the second descending path loss, wherein, the first descending path loss sets for user The descending path loss that standby UE is measured, the second descending path loss are actual descending path loss；
    Generation unit, for based on the difference of the described first descending path loss and second descending path loss generation power adjustment letter Breath, wherein, the power adjustment message is used for the ascending power for adjusting the UE；
    Issuance unit, for issuing the power adjustment message to the UE.
  9. 9. device according to claim 8, it is characterised in that the determining unit includes：
    Receiving module, the uplink power margin PHR reported for receiving the UE；
    Measurement module, for the ascending power value by UE described in base station measurement；
    Determining module, for determining the described first descending path loss and described second by the PHR and the UE ascending power value Descending path loss.
  10. 10. device according to claim 9, it is characterised in that the base station includes macro station and micro- station, wherein, the survey Amount module includes：
    First measurement submodule, for measuring the UE to the ascending power value of the macro station by the macro station；
    Second measurement submodule, for measuring the UE to the ascending power value at micro- station by micro- station.
  11. 11. device according to claim 10, it is characterised in that the determining module includes：
    Calculating sub module, for calculating the first descending path loss of the UE and the actual uplink hair of the UE by the PHR Send power；
    Submodule is handled, multiple UE for being obtained to measurement are smoothed to the ascending power value of the macro station, The first smooth power value is obtained, the multiple UE obtained to measurement are smoothed to the ascending power value at micro- station, Obtain the second smooth power value；
    Determination sub-module, the difference between actual uplink transmit power for determining the first smooth power value and the UE are To the first actual path loss of macro station, the difference between the second smooth power value and the UE actual uplink transmit power is UE UE to micro- station the second actual path loss, wherein, the second descending path loss includes the described first actual path loss and described second real Border path loss.
  12. 12. device according to claim 11, it is characterised in that the generation unit includes：
    Acquisition module, for obtaining the first difference of the described first descending path loss and the described first actual path loss, under described first The second difference with the described second actual path loss is damaged in walking along the street；
    Generation module, for based on power adjustment message corresponding to first difference and second difference generation.
  13. 13. device according to claim 12, it is characterised in that the issuance unit includes：
    First issues module, and the RRCConnectionRecofig configuration informations of the power adjustment message are carried for issuing To the UE；
    Second issues module, and the TPC command of the power adjustment message is carried for issuing to the UE.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019242478A1 (en) * 2018-06-19 2019-12-26 维沃移动通信有限公司 Ph calculation method and terminal

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080166976A1 (en) * 2007-01-09 2008-07-10 Rao Anil M Reverse link power control
JP2010512680A (en) * 2006-12-15 2010-04-22 アルカテル−ルーセント ユーエスエー インコーポレーテッド Uplink power control for picocell communication in a macrocell
CN101902750A (en) * 2009-05-26 2010-12-01 大唐移动通信设备有限公司 Method for adjusting power parameter value and equipment
CN102056218A (en) * 2009-10-28 2011-05-11 中兴通讯股份有限公司 Method and device for controlling uplink power
CN102291811A (en) * 2011-08-11 2011-12-21 大唐移动通信设备有限公司 ULPC (uplink power control) method and device
CN102395184A (en) * 2011-06-30 2012-03-28 电信科学技术研究院 Method and device for implementing uplink power control
CN102685865A (en) * 2011-03-17 2012-09-19 上海贝尔股份有限公司 Power control method and base station in communication network
CN102695261A (en) * 2011-03-22 2012-09-26 ***通信集团公司 Control method, apparatus and system of uplink power
CN102811478A (en) * 2011-05-31 2012-12-05 华为技术有限公司 Path loss compensation method as well as base station and user equipment (UE)
CN102905302A (en) * 2011-07-25 2013-01-30 上海无线通信研究中心 Method for controlling uplink interference in hybrid network
WO2013013515A1 (en) * 2011-07-25 2013-01-31 上海无线通信研究中心 Method for controlling uplink interference in hybrid network
WO2013018854A1 (en) * 2011-08-02 2013-02-07 シャープ株式会社 Communication system, terminals and base station
CN102938930A (en) * 2011-08-16 2013-02-20 华为技术有限公司 Compensation method of coordinated multi-point (CoMP) system upstream power control, base station and user equipment (UE)
CN103037489A (en) * 2011-09-29 2013-04-10 中兴通讯股份有限公司 Method and device for controlling uplink signal power
CN103067966A (en) * 2011-10-20 2013-04-24 上海无线通信研究中心 Upstream interference source identification method in hybrid network
WO2013065425A1 (en) * 2011-11-01 2013-05-10 シャープ株式会社 Mobile station, communication system, communication method and integrated circuit
US20130176874A1 (en) * 2011-12-09 2013-07-11 Qualcomm Incorporated Uplink power/rate shaping for enhanced interference coordination and cancellation
WO2013137635A1 (en) * 2012-03-14 2013-09-19 삼성전자 주식회사 Method and apparatus for controlling uplink transmission power of user equipment 단말의 상향 링크 송신 전력을 제어하는 방법 및 장치
EP2679056A2 (en) * 2011-02-22 2014-01-01 LG Electronics Inc. Method of controlling uplink transmission power at ue in wireless communication system and apparatus thereof
CN104159284A (en) * 2014-08-12 2014-11-19 福建三元达通讯股份有限公司 LTE system uplink power control method and system
CN104170426A (en) * 2012-04-20 2014-11-26 富士通株式会社 Power adaptation method and device in heterogeneous network
CN102647794B (en) * 2012-05-16 2015-04-08 北京华安普惠高新技术有限公司 Uplink resource allocation method in combination with PHR (Power Headroom Report) in LTE (Long Term Evolution) system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873603B (en) * 2009-04-22 2013-03-20 电信科学技术研究院 Method and system for adjusting base station coverage
CN102958147B (en) * 2011-08-18 2016-08-24 华为技术有限公司 The method of uplink power control, subscriber equipment and base station
CN102300304B (en) * 2011-09-20 2016-04-06 电信科学技术研究院 A kind of implementation method of uplink power control and device

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010512680A (en) * 2006-12-15 2010-04-22 アルカテル−ルーセント ユーエスエー インコーポレーテッド Uplink power control for picocell communication in a macrocell
US20080166976A1 (en) * 2007-01-09 2008-07-10 Rao Anil M Reverse link power control
CN101902750A (en) * 2009-05-26 2010-12-01 大唐移动通信设备有限公司 Method for adjusting power parameter value and equipment
CN102056218A (en) * 2009-10-28 2011-05-11 中兴通讯股份有限公司 Method and device for controlling uplink power
EP2679056A2 (en) * 2011-02-22 2014-01-01 LG Electronics Inc. Method of controlling uplink transmission power at ue in wireless communication system and apparatus thereof
CN102685865A (en) * 2011-03-17 2012-09-19 上海贝尔股份有限公司 Power control method and base station in communication network
CN102695261A (en) * 2011-03-22 2012-09-26 ***通信集团公司 Control method, apparatus and system of uplink power
CN102811478A (en) * 2011-05-31 2012-12-05 华为技术有限公司 Path loss compensation method as well as base station and user equipment (UE)
CN102395184A (en) * 2011-06-30 2012-03-28 电信科学技术研究院 Method and device for implementing uplink power control
WO2013013515A1 (en) * 2011-07-25 2013-01-31 上海无线通信研究中心 Method for controlling uplink interference in hybrid network
CN102905302A (en) * 2011-07-25 2013-01-30 上海无线通信研究中心 Method for controlling uplink interference in hybrid network
WO2013018854A1 (en) * 2011-08-02 2013-02-07 シャープ株式会社 Communication system, terminals and base station
CN102291811A (en) * 2011-08-11 2011-12-21 大唐移动通信设备有限公司 ULPC (uplink power control) method and device
CN102938930A (en) * 2011-08-16 2013-02-20 华为技术有限公司 Compensation method of coordinated multi-point (CoMP) system upstream power control, base station and user equipment (UE)
CN103037489A (en) * 2011-09-29 2013-04-10 中兴通讯股份有限公司 Method and device for controlling uplink signal power
CN103067966A (en) * 2011-10-20 2013-04-24 上海无线通信研究中心 Upstream interference source identification method in hybrid network
WO2013065425A1 (en) * 2011-11-01 2013-05-10 シャープ株式会社 Mobile station, communication system, communication method and integrated circuit
US20130176874A1 (en) * 2011-12-09 2013-07-11 Qualcomm Incorporated Uplink power/rate shaping for enhanced interference coordination and cancellation
WO2013137635A1 (en) * 2012-03-14 2013-09-19 삼성전자 주식회사 Method and apparatus for controlling uplink transmission power of user equipment 단말의 상향 링크 송신 전력을 제어하는 방법 및 장치
US20150072690A1 (en) * 2012-03-14 2015-03-12 Samsung Electronics Co., Ltd. Method and apparatus for controlling uplink transmission power of user equipment
CN104170426A (en) * 2012-04-20 2014-11-26 富士通株式会社 Power adaptation method and device in heterogeneous network
CN102647794B (en) * 2012-05-16 2015-04-08 北京华安普惠高新技术有限公司 Uplink resource allocation method in combination with PHR (Power Headroom Report) in LTE (Long Term Evolution) system
CN104159284A (en) * 2014-08-12 2014-11-19 福建三元达通讯股份有限公司 LTE system uplink power control method and system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HTC: "Enhancement for CoMP Scenario 3 Uplink Power Control", 《3GPP TSG RAN WG1 MEETING #68 R1-120264》 *
QUALCOMM INCORPORATED: "Uplink power control issues in CoMP", 《3GPP TSG-RAN WG1 #68 R1-120556》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019242478A1 (en) * 2018-06-19 2019-12-26 维沃移动通信有限公司 Ph calculation method and terminal

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