CN104869627B - A kind of signal gain amplifier method of adjustment, device and relevant device - Google Patents

A kind of signal gain amplifier method of adjustment, device and relevant device Download PDF

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Publication number
CN104869627B
CN104869627B CN201410066951.9A CN201410066951A CN104869627B CN 104869627 B CN104869627 B CN 104869627B CN 201410066951 A CN201410066951 A CN 201410066951A CN 104869627 B CN104869627 B CN 104869627B
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power
wireless discharging
signal
downlink
antenna
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CN104869627A (en
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闫渊
王军
程广辉
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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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
    • H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers

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

Abstract

The invention discloses a kind of signal gain amplifier method of adjustment, device and relevant devices, comprising: the passback antenna for monitoring the wireless discharging-directly station receives the reception power for the downlink signal that base station is sent, and receives power as first；It determines the power obtained using default downlink gain amplifier to the first reception power amplification, the transmission power of the downlink signal is sent as the access antenna of the wireless discharging-directly station；It determines that the passback antenna receives the reception power of the downlink signal of access antenna transmission, receives power as second；The access antenna is sent to the transmission power of the downlink signal and the difference of the second reception power, is determined as the isolation of the wireless discharging-directly station；The downlink gain amplifier of the wireless discharging-directly station is adjusted according to the isolation of the wireless discharging-directly station.Since wireless discharging-directly station can determine passback antenna and access the practical isolation of antenna, adjustment downlink gain amplifier appropriate, so as to avoid that self-excitation phenomena occurs.

Description

A kind of signal gain amplifier method of adjustment, device and relevant device
Technical field
The present invention relates to wireless communication fields more particularly to a kind of signal gain amplifier method of adjustment, device and correlation to set It is standby.
Background technique
Wireless signal can gradually decay with the increase of propagation distance, so that the edge customer of the network coverage of base station and blind The signal of area user is weaker, and communication quality is poor.In tdd systems, high frequency band signal usually can meet net in outdoor The planning requirement of network covering, when high frequency band signal, which passes through building, carries out in-door covering, since the propagation of high frequency band signal is damaged Consumption and penetration loss are all bigger, so that signal decaying is very big, cause the covering of internal home network depth insufficient.
In order to overcome the problems, such as that the covering of internal home network depth is insufficient, in-door covering is carried out using wireless discharging-directly station.It will be wireless The passback antenna of repeater is mounted on outdoor, the installation of access antenna indoors, passback antenna for wireless discharging-directly station and base station into The transmission of row signal, access antenna carry out signal transmission for wireless discharging-directly station and user equipment (UE).Wireless discharging-directly station to base station and Transmission signal between mobile terminal carries out Bi-directional amplifier and forwards, and the downlink signal of base station leads to after wireless discharging-directly station amplifies It crosses access antenna and is transmitted to UE, the uplink signal of UE is transmitted to base station by returning antenna after wireless discharging-directly station amplifies, from And realize the expansion to the network coverage of base station.
Currently, wireless discharging-directly station when amplifying to uplink signal and downlink signal, usually presets uplink amplification Gain and downlink gain amplifier, using fixed uplink gain amplifier and fixed downlink gain amplifier respectively to uplink signal and Downlink signal amplifies.
When wireless discharging-directly station amplifies downlink signal, passback antenna receives the same of the downlink signal that base station is sent When, it can also repeat to receive the downlink signal from access antenna transmitting, if wireless discharging-directly station causes to return due to construction wrong The isolation of antenna and access antenna is inadequate, the input power for returning antenna will be significantly increased, at this point, if using fixing Downlink gain amplifier downlink signal is amplified, straight-forward station self-excitation phenomenon can be caused, power tube is burned out.
Whether wireless discharging-directly station is lighted by the self-excitation warning light of installation to determine whether self-excitation will occur at present, works as nothing The input power of the passback antenna of line repeater is excessive, and self-excitation warning light, which lights expression, will occur self-excitation, once self-excitation alerts Lamp is lighted, and wireless discharging-directly station can reduce rapidly biggish downlink gain amplifier, prevents power tube from damaging, but reduces biggish downlink Gain amplifier reduces, and may result in cannot effectively amplify downlink signal, cause communication quality to decline, it is therefore desirable to downlink Gain amplifier carries out adjustment appropriate.
When wireless discharging-directly station amplifies uplink signal, the noise of uplink signal is also exaggerated, so that base The stand bottom of input terminal is made an uproar lifting, and uplink gain amplifier is bigger, and the received noise in base station is also bigger, and gain amplifier is usually to examine What the requirement of worry limit coverage condition was configured, in practical application, so big uplink gain amplifier may not be needed, it is right Base station generates excessive noise jamming.
Summary of the invention
The embodiment of the present invention provides a kind of signal gain amplifier method of adjustment, device and relevant device, existing to solve The problem of causing wireless discharging-directly station that self-excitation phenomena occurs since downlink gain amplifier is excessive present in technology.
The embodiment of the present invention provides a kind of signal gain amplifier method of adjustment, comprising:
When the downlink amplification channel of wireless discharging-directly station is not switched on, the passback antenna for monitoring the wireless discharging-directly station receives base Stand send downlink signal reception power, as first receive power；
When the downlink amplification channel of the wireless discharging-directly station is opened, determine using default downlink gain amplifier to described the The power that one reception power amplification obtains, the transmitting function of the downlink signal is sent as the access antenna of the wireless discharging-directly station Rate；
Determine that the passback antenna receives the reception power for the downlink signal that the access antenna is sent, as second Receive power；
The access antenna is sent to the transmission power of the downlink signal and the difference of the second reception power, is determined For the isolation of the wireless discharging-directly station；
The downlink gain amplifier of the wireless discharging-directly station, and the isolation are adjusted according to the isolation of the wireless discharging-directly station The difference that degree subtracts downlink gain amplifier adjusted is not less than default minimal difference threshold value.
Using the above method provided in an embodiment of the present invention, since wireless discharging-directly station can determine passback antenna and access The practical isolation of antenna, adjustment downlink gain amplifier appropriate, so as to avoid that self-excitation phenomena occurs.
Further, the above method, further includes:
When the downlink amplification channel of the wireless discharging-directly station is not switched on, the synchronization signal that the base station is sent, institute are received It states synchronization signal and carries the conversion time that the base station sends downlink signal and reception uplink signal, for determining that the downlink is put The opening time in big channel.
Further, determine that the passback antenna receives the reception function for the downlink signal that the access antenna is sent Rate specifically includes:
When the downlink amplification channel of the wireless discharging-directly station is opened, it is currently transmitted to monitor passback antenna reception base station Downlink signal and it is described access antenna send the downlink signal reception power and value；
The difference that described and value is received power with described first is determined as the passback antenna and receives the access antenna The reception power of the downlink signal sent.
The embodiment of the invention also provides a kind of signal gain amplifiers to adjust device, comprising:
Monitoring unit, for monitoring the wireless discharging-directly station when the downlink amplification channel of wireless discharging-directly station is not switched on The reception power that antenna receives the downlink signal that base station is sent is returned, receives power as first；
First determination unit is set in advance for determining to use when the downlink amplification channel of wireless discharging-directly station opening The power that row gain amplifier obtains the first reception power amplification, the access antenna as the wireless discharging-directly station send institute State the transmission power of downlink signal；
Second determination unit, for determining that the passback antenna receives the downlink signal that the access antenna is sent Power is received, receives power as second；
Third determination unit connects for the access antenna to be sent the transmission power of the downlink signal and described second The difference for receiving power, is determined as the isolation of the wireless discharging-directly station；
Adjustment unit, the downlink for adjusting the wireless discharging-directly station according to the isolation of the wireless discharging-directly station, which is amplified, to be increased Benefit, and the isolation subtracts the difference of downlink gain amplifier adjusted not less than default minimal difference threshold value.
Using above-mentioned apparatus provided in an embodiment of the present invention, since wireless discharging-directly station can determine passback antenna and access The practical isolation of antenna, adjustment downlink gain amplifier appropriate, so as to avoid that self-excitation phenomena occurs.
Further, above-mentioned apparatus, further includes:
Receiving unit is sent for when the downlink amplification channel of the wireless discharging-directly station is not switched on, receiving the base station Synchronization signal, the synchronization signal carries the base station and sends downlink signal and receive the conversion time of uplink signal, be used for Determine the opening time of the downlink amplification channel.
Further, second determination unit is opened specifically for the downlink amplification channel when the wireless discharging-directly station When, it monitors the passback antenna and receives the downlink signal that the currently transmitted downlink signal in base station and the access antenna are sent Reception power and value；The difference that described and value is received power with described first is determined as the passback antenna and receives institute State the reception power for the downlink signal that access antenna is sent.
It include: passback antenna the embodiment of the invention also provides a kind of wireless discharging-directly station, terminal module, control module, under Row amplification channel and access antenna, in which:
The passback antenna, for receiving the downlink signal of base station transmission；Receive the downlink letter that the access antenna is sent Number；Downlink signal is sent to the downlink amplification channel；
The terminal module, for monitoring the wireless discharging-directly station when the downlink amplification channel of wireless discharging-directly station is not switched on Passback antenna receive base station send downlink signal reception power, as first receive power；Function is received by described first Rate is sent to the control module；
The control module receives power for receiving the terminal module is sent described first；It determines and works as the nothing The first reception power amplification is obtained using default downlink gain amplifier when the downlink amplification channel of line repeater is opened Power sends the transmission power of the downlink signal as the access antenna of the wireless discharging-directly station；Determine the passback antenna The reception power for receiving the downlink signal that the access antenna is sent, receives power as second；By the access antenna The transmission power of the downlink signal and the difference of the second reception power are sent, the isolation of the wireless discharging-directly station is determined as Degree；According to the isolation of the wireless discharging-directly station and adjust the downlink gain amplifier of the wireless discharging-directly station, and the isolation The difference for subtracting downlink gain amplifier adjusted is not less than default minimal difference threshold value；
The downlink amplification channel, the downlink signal sent for receiving the passback antenna；Transmit the downlink Signal；The downlink signal is sent to the access antenna；
The access antenna, for sending the downlink signal.
Using above-mentioned wireless discharging-directly station provided in an embodiment of the present invention, since wireless discharging-directly station can determine passback antenna With the practical isolation of access antenna, adjustment downlink gain amplifier appropriate, so as to avoid that self-excitation phenomena occurs.
Further, the terminal module, is also used to receive the synchronization signal that the base station is sent, and the synchronization signal is taken Downlink signal is sent with the base station and receives the conversion time of uplink signal；The conversion time is sent to the control mould Block；
The control module is also used to receive the conversion time that the terminal module is sent；When according to the conversion Between control downlink amplification channel opening time.
Further, the terminal module, specifically for monitoring the downlink amplification channel opening when the wireless discharging-directly station Shi Suoshu passback antenna receives connecing for the downlink signal that the currently transmitted downlink signal in base station and the access antenna are sent Receive power and value；Described and value is sent to the control module；
The control module, specifically for receiving described in the terminal module transmission and being worth；Will it is described and be worth with it is described First receives the difference of power, is determined as the reception that the passback antenna receives the downlink signal that the access antenna is sent Power.
The embodiment of the present invention also provides a kind of signal gain amplifier method of adjustment, device and relevant device, existing to solve Have causes signal noise to increase present in technology since uplink gain amplifier is excessive, and then base station input terminal bottom is caused to be made an uproar lifting The problem of.
The embodiment of the invention provides a kind of signal gain amplifier methods of adjustment, comprising:
The access antenna of monitoring wireless discharging-directly station currently receives the reception power of uplink signal；
The power obtained using current uplink gain amplifier to the reception power amplification is determined, as the first transmitting function Rate, the passback antenna for the wireless discharging-directly station send the uplink signal；
Determine the passback antenna of the wireless discharging-directly station indicated in the power control command of the newest transmission in received base station The transmission power that uplink signal will be sent, as the second transmission power；
When first transmission power is greater than second transmission power, and difference is greater than the first pre-determined threshold, according to First preset step-length reduces the current uplink gain amplifier, as uplink gain amplifier adjusted；
When first transmission power is less than second transmission power, and difference is greater than the second pre-determined threshold, according to Second preset step-length increases the current uplink gain amplifier, as uplink gain amplifier adjusted.
Using the above method provided in an embodiment of the present invention, since wireless discharging-directly station sends uplink signal for antenna is returned The transmission power for requiring the wireless discharging-directly station to send uplink signal in actual emission power and the power control command of base station carries out Compare, uplink gain amplifier is adjusted according to comparison result, so that passback antenna sends the actual transmission function of uplink signal The difference for requiring the wireless discharging-directly station to send the transmission power of uplink signal in rate and the power control command becomes smaller, and reduces pair The noise of uplink signal amplifies, and effectively inhibits the low noise lifting of base station input terminal.
Further, before the access antenna of monitoring wireless discharging-directly station currently receives the reception power of uplink signal, also Include:
Wireless discharging-directly station receives the power control command that base station is sent, and it is described wireless that the power control command carries instruction The passback antenna of repeater will send the transmission power of uplink signal；
Determine user equipment to the wireless discharging-directly station send the default maximum transmission power of the uplink signal with it is described The difference of default greatest path loss between user equipment and the wireless discharging-directly station receives institute as the wireless discharging-directly station State the reception power that user equipment sends the uplink signal；
Wireless discharging-directly station reception user equipment is sent into the reception power of the uplink signal and described is wirelessly directly put The passback antenna stood will send the difference of the transmission power of uplink signal, be determined as the initial uplink of the wireless discharging-directly station Gain amplifier.
The embodiment of the invention also provides a kind of signal gain amplifiers to adjust device, comprising:
Monitoring unit, the access antenna for monitoring wireless discharging-directly station currently receive the reception power of uplink signal；
First determination unit, for determining the function obtained using current uplink gain amplifier to the reception power amplification Rate, as the first transmission power, the passback antenna for the wireless discharging-directly station sends the uplink signal；
Second determination unit, what is indicated in the power control command for determining the newest transmission in received base station is described wireless The passback antenna of repeater will send the transmission power of uplink signal, as the second transmission power；
The first adjustment unit, for being greater than second transmission power when first transmission power, and difference is greater than the When one pre-determined threshold, the current uplink gain amplifier is reduced according to the first preset step-length, amplifies as uplink adjusted and increases Benefit；
Second adjustment unit, for being less than second transmission power when first transmission power, and difference is greater than the When two pre-determined thresholds, increases the current uplink gain amplifier according to the second preset step-length, amplify as uplink adjusted and increase Benefit.
Using above-mentioned apparatus provided in an embodiment of the present invention, since wireless discharging-directly station sends uplink signal for antenna is returned The transmission power for requiring the wireless discharging-directly station to send uplink signal in actual emission power and the power control command of base station carries out Compare, uplink gain amplifier is adjusted according to comparison result, so that passback antenna sends the actual transmission function of uplink signal The difference for requiring the wireless discharging-directly station to send the transmission power of uplink signal in rate and the power control command becomes smaller, and reduces pair The noise of uplink signal amplifies, and effectively inhibits the low noise lifting of base station input terminal.
Further, above-mentioned apparatus, further includes:
Receiving unit, for monitoring wireless discharging-directly station access antenna currently receive uplink signal reception power it Before, wireless discharging-directly station receives the power control command that base station is sent, and the power control command carrying instruction is described wirelessly directly to put The passback antenna stood will send the transmission power of uplink signal；
Third determination unit, for determine user equipment to the wireless discharging-directly station send the uplink signal it is default most The difference of default greatest path loss between big transmission power and the user equipment and the wireless discharging-directly station, as described Wireless discharging-directly station receives the reception power that the user equipment sends the uplink signal；
4th determination unit, for wireless discharging-directly station reception user equipment to be sent to the reception function of the uplink signal The passback antenna of rate and the wireless discharging-directly station will send the difference of the transmission power of uplink signal, be determined as described wireless straight Put the initial uplink gain amplifier at station.
The embodiment of the present invention also provides a kind of wireless discharging-directly station, comprising: access antenna, terminal module, control module, uplink Amplification channel and passback antenna, in which:
The access antenna, for receiving the uplink signal of user equipment transmission；The uplink signal is sent to described Uplink amplification channel；
The terminal module, the access antenna for monitoring wireless discharging-directly station currently receive the reception power of uplink signal, And the reception power is sent to the control module；It determines and indicates in the power control command of the newest transmission in received base station The passback antenna of the wireless discharging-directly station will send the transmission power of uplink signal, as the second transmission power；By described Two transmission powers are sent to the control module；
The control module, the access antenna for receiving the wireless discharging-directly station that the terminal module is sent currently receive The reception power of row signal；It determines using current uplink gain amplifier to the obtained power of reception power amplification, as the One transmission power, the passback antenna for the wireless discharging-directly station send the uplink signal；The terminal module is received to send Second transmission power；When first transmission power is greater than second transmission power, and to be greater than first default for difference When thresholding, the current uplink gain amplifier is reduced according to the first preset step-length, as uplink gain amplifier adjusted；Work as institute The first transmission power is stated less than second transmission power, and when difference is greater than the second pre-determined threshold, according to the second preset step-length Increase the current uplink gain amplifier, as uplink gain amplifier adjusted.
The uplink amplification channel, the uplink signal sent for receiving the access antenna；Transmit the uplink Signal；The uplink signal is sent to the passback antenna；
The passback antenna, for emitting the uplink signal.
Using above-mentioned wireless discharging-directly station provided in an embodiment of the present invention, uplink is sent since wireless discharging-directly station will return antenna The wireless discharging-directly station is required to send the transmitting function of uplink signal in the actual emission power of signal and the power control command of base station Rate is compared, and is adjusted according to comparison result to uplink gain amplifier, so that passback antenna sends the reality of uplink signal The difference for requiring the wireless discharging-directly station to send the transmission power of uplink signal in transmission power and the power control command becomes smaller, and drops The low noise to uplink signal amplifies, and effectively inhibits the low noise lifting of base station input terminal.
Further, the terminal module is also used to currently receive uplink letter in the access antenna of monitoring wireless discharging-directly station Number reception power before, receive the power control command that base station is sent, it is described wireless that the power control command carries instruction The passback antenna of repeater will send the transmission power of uplink signal；The passback antenna of the wireless discharging-directly station will be sent The transmission power of uplink signal is sent to the control module；
The control module, the passback antenna for being also used to receive the wireless discharging-directly station that the terminal module is sent will Send the transmission power of uplink signal；Determine that user equipment sends the default maximum of the uplink signal to the wireless discharging-directly station The difference of default greatest path loss between transmission power and the user equipment and the wireless discharging-directly station, as the nothing Line repeater receives the reception power that the user equipment sends the uplink signal；Wireless discharging-directly station reception user is set Preparation send the reception power of the uplink signal and the passback antenna of the wireless discharging-directly station that will send the transmitting of uplink signal The difference of power is determined as the initial uplink gain amplifier of the wireless discharging-directly station.
Other features and advantage will illustrate in the following description, also, partly become from specification It obtains it is clear that being understood and implementing the application.The purpose of the application and other advantages can be by written explanations Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, is implemented with the present invention Example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of signal gain amplifier method of adjustment provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram for the wireless discharging-directly station that the embodiment of the present invention 1 provides；
Fig. 3 is the flow chart for the signal gain amplifier method of adjustment that the embodiment of the present invention 2 provides；
Fig. 4 is the structural schematic diagram that the signal gain amplifier that the embodiment of the present invention 3 provides adjusts device；
Fig. 5 is the flow chart for the signal gain amplifier method of adjustment that the embodiment of the present invention 4 provides；
Fig. 6 is the structural schematic diagram for the wireless discharging-directly station that the embodiment of the present invention 5 provides；
Fig. 7 is the flow chart for the signal gain amplifier method of adjustment that the embodiment of the present invention 6 provides；
Fig. 8 is the structural schematic diagram that the signal gain amplifier that the embodiment of the present invention 7 provides adjusts device.
Specific embodiment
In order to provide to the downlink gain amplifier progress appropriate adjustment of wireless discharging-directly station to avoid self-excitation phenomena and guarantee The implementation of communication quality, the embodiment of the invention provides a kind of signal gain amplifier method of adjustment, device and relevant device, Below in conjunction with Figure of description, preferred embodiment of the present invention will be described, it should be understood that preferred implementation described herein Example is only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.And in the absence of conflict, the reality in the application The feature applied in example and embodiment can be combined with each other.
The embodiment of the present invention provides a kind of signal gain amplifier method of adjustment, as shown in Figure 1, comprising:
Step 101, when the downlink amplification channel of wireless discharging-directly station is not switched on, monitor the passback antenna of the wireless discharging-directly station The reception power for receiving the downlink signal that base station is sent receives power as first.
Step 102, when the downlink amplification channel of the wireless discharging-directly station is opened, determine using default downlink gain amplifier pair The power that the first reception power amplification obtains, the transmitting function of the downlink signal is sent as the access antenna of the wireless discharging-directly station Rate.
Step 103 determines that the passback antenna receives the reception power of the downlink signal of access antenna transmission, as the Two receive power.
The difference of step 104, the transmission power which is sent to the downlink signal and the second reception power, really It is set to the isolation of the wireless discharging-directly station.
Step 105, the downlink gain amplifier that the wireless discharging-directly station is adjusted according to the isolation of the wireless discharging-directly station, and should be every It is not less than default minimal difference threshold value from the difference that degree subtracts downlink gain amplifier adjusted.
In the above method provided in an embodiment of the present invention, when what is sent by wireless discharging-directly station repeating base station to user equipment When downlink signal, the passback antenna of the wireless discharging-directly station receives the downlink signal that base station is sent, and docks in downlink amplification channel After the reception power amplification for receiving the downlink signal that base station is sent, the downlink signal is sent by the access antenna of the wireless discharging-directly station Give the user equipment.The wireless discharging-directly station is installed indoors, and the passback antenna of the wireless discharging-directly station is mounted on outdoor, accesses antenna Indoors, which is connected with the wireless discharging-directly station by feeder line for installation.
With reference to the accompanying drawing, method and device provided by the invention and relevant device are retouched in detail with specific embodiment It states.
Embodiment 1:
The embodiment of the present invention 1 provides a kind of wireless discharging-directly station, and structural schematic diagram is as shown in Figure 2, comprising: passback antenna 201, terminal module 202, control module 203, downlink amplification channel 204 and access antenna 205, in which:
The passback antenna 201, for receiving the downlink signal of base station transmission；Receive the downlink that the access antenna is sent Signal；Downlink signal is sent to the downlink amplification channel；
The terminal module 202 is described wireless straight when the downlink amplification channel of wireless discharging-directly station is not switched on for monitoring The passback antenna for putting station receives the reception power for the downlink signal that base station is sent, and receives power as first；Described first is connect It receives power and is sent to the control module；
The control module 203 receives power for receiving the terminal module is sent described first；It determines when described The first reception power amplification is obtained using default downlink gain amplifier when the downlink amplification channel of wireless discharging-directly station is opened Power, the transmission power of the downlink signal is sent as the access antenna of the wireless discharging-directly station；Determine the passback day Line receives the reception power for the downlink signal that the access antenna is sent, and receives power as second；By the access day Line send the downlink signal transmission power and it is described second receive power difference, be determined as the wireless discharging-directly station every From degree；According to the isolation of the wireless discharging-directly station and adjust the downlink gain amplifier of the wireless discharging-directly station, and the isolation The difference that degree subtracts downlink gain amplifier adjusted is not less than default minimal difference threshold value；
The downlink amplification channel 204, the downlink signal sent for receiving the passback antenna；Transmit it is described under Row signal；The downlink signal is sent to the access antenna；
The access antenna 205, for sending the downlink signal.
Further, the terminal module 202 is also used to receive the synchronization signal that the base station is sent, the synchronous letter Number carrying the base station sends downlink signal and receives the conversion time of uplink signal；The conversion time is sent to the control Molding block；
The control module 203 is also used to receive the conversion time that the terminal module is sent；According to the conversion The opening time of time control downlink amplification channel.
Further, the terminal module 202, specifically for monitoring when the downlink amplification channel of the wireless discharging-directly station is beaten The passback antenna receives the downlink signal that the currently transmitted downlink signal in base station and the access antenna are sent when opening Receive power and value；Described and value is sent to the control module；
The control module 203, specifically for receiving described in the terminal module transmission and being worth；It will described and value and institute The difference for stating the first reception power is determined as the passback antenna and receives connecing for the downlink signal for accessing antenna transmission Receive power.
The wireless discharging-directly station that above-described embodiment 1 provides through the invention, since wireless discharging-directly station can determine passback day The practical isolation of line and access antenna, adjustment downlink gain amplifier appropriate, so as to avoid occurring self-excitation phenomena and protect Demonstrate,prove communication quality.
Embodiment 2:
The modules of combining wireless repeater, the embodiment of the present invention 2 provide a kind of signal gain amplifier method of adjustment, As shown in figure 3, specifically including following process flow:
Step 301, when the downlink amplification channel of wireless discharging-directly station is not switched on, terminal module receive base station send synchronization Signal, and it is sent to control module.
Wherein, which carries base station and sends downlink signal and receive the conversion time of uplink signal, for determining The opening time of the downlink amplification channel.
Step 302, when control module receive the terminal module transmission the synchronization signal after, taken according in synchronization signal The base station of band sends downlink signal and receives the conversion time of uplink signal, controls the opening time of downlink amplification channel.
Step 303, when the downlink amplification channel of wireless discharging-directly station is not switched on, terminal module monitor itself receive base station hair The reception power RSRP0 of the downlink signal sent, and the reception power is sent to control module.
In the embodiment of the present invention, when base station sends downlink signal, if the downlink amplification channel of wireless discharging-directly station is not beaten It opens, the passback antenna of wireless discharging-directly station only receives the downlink signal of base station transmission, and there is no to reception base station hair for wireless discharging-directly station The reception power of the downlink signal sent amplifies, and the access antenna of wireless discharging-directly station does not send downlink letter to user equipment at this time Number.The terminal module and downlink amplification channel of wireless discharging-directly station share passback antenna, and return antenna and terminal module and downlink It is connected between amplification channel by feeder line.
In this step, when not considering terminal module and returning the feeder loss between antenna, terminal module monitoring The reception power RSRP0 for the downlink signal that base station is sent is received to itself, can receive base station for the RSRP0 as passback antenna The reception power of the downlink signal of transmission receives power as first；Further, when in view of terminal module and passback antenna Between feeder loss L1 when, then actually passback antenna receive base station send downlink signal reception power be RSRP0+ L1 receives power as first, wherein the L1 is previously known.
There is no strict sequence between above-mentioned steps 301-302 and step 303, below to consider terminal module and return In case where passing the feeder loss L1 between antenna, the specific processing step of description adjustment downlink gain amplifier.
Step 304, the control module receive reception power RSRP0, determine that passback antenna receives the downlink that base station is sent The reception power of signal is RSRP0+L1, i.e., first receives power=RSRP0+L1.
Step 305, when the downlink amplification channel of wireless discharging-directly station is opened, which determines is put using default downlink The power that large gain GD0 obtains the first reception power amplification, the access antenna as the wireless discharging-directly station send the downlink The transmission power of signal.
Wherein, preset downlink gain amplifier GD0 can based on practical experience with need to carry out flexible setting, for example, generally It can set the GD0 to the maximum downstream gain amplifier that design wireless discharging-directly station works normally.
In this step, which, which determines, obtains the first reception power amplification using default downlink gain amplifier GD0 The power arrived is RSRP0+L1+GD0.
Step 306, when the wireless discharging-directly station downlink amplification channel open when, the terminal module monitor itself receive base station The reception power for the downlink signal that currently transmitted downlink signal and the access antenna are sent and value RSRP1, and should and be worth It is sent to the control module.
In the embodiment of the present invention, when base station sends downlink signal, if the downlink amplification channel of wireless discharging-directly station is opened, The access antenna of wireless discharging-directly station starts to send downlink signal to user equipment, by way of Space Coupling, access antenna hair The downlink signal sent can be received by passback antenna, and the passback antenna of wireless discharging-directly station receives the currently transmitted downlink in base station at this time The downlink signal that signal and access antenna are sent.
Step 307, after the control module receives this and value, determine the terminal module receive the access antenna transmission The reception power of downlink signal.
In this step, which monitors itself for this and value RSRP1 and terminal module and receives the downlink that base station is sent The difference of the reception power RSRP0 of signal is determined as the reception that the terminal module receives the downlink signal of access antenna transmission Power RSRP2=RSRP1-RSRP0.
Further, the case where considering terminal module and returning the feeder loss L1 between antenna, which determines The reception power that the passback antenna receives the downlink signal of access antenna transmission is RSRP2+L1, receives power as second.
The access antenna is sent the transmission power and the second reception power of downlink signal by step 308, the control module Difference, be determined as the isolation of the wireless discharging-directly station.
In this step, the isolation of the wireless discharging-directly station is the practical isolation of the wireless discharging-directly station in normal work. According to the step 305 access antenna send downlink signal transmission power be RSRP0+L1+GD0, then the wireless discharging-directly station every From degree ISO=(RSRP0+L1+GD0)-(RSRP2+L1)=RSRP0+GD0-RSRP2.
Step 309, the control module are amplified according to the downlink that the isolation of the wireless discharging-directly station adjusts wireless discharging-directly station and are increased Benefit.
In this step, the difference which subtracts downlink gain amplifier adjusted is not less than default minimal difference threshold value M, wherein the default minimal difference threshold value can based on practical experience with need to carry out flexible setting, for example, in practical projects, The default minimal difference threshold value is generally m=15dB.The downlink gain amplifier GD=RSRP0+ of wireless discharging-directly station adjusted GD0-RSRP2-m, the control module can be according to downlink gain amplifiers adjusted to the downlink signal in downlink amplification channel Power amplification is carried out, and is sent by accessing antenna.
Further, which can be modified downlink gain amplifier according to default redundancy n, revised Downlink gain amplifier GD=RSRP0+GD0-RSRP2-m-n, the default redundancy can carry out spirit with needs based on practical experience Setting living, the purpose that redundancy is set be further avoid wireless discharging-directly station various errors present in actually working normally can GD setting can be caused excessive to which self-excitation phenomena occur.
Further, the terminal module of the wireless discharging-directly station can be monitored according to predetermined period itself receives what base station was sent The reception power RSRP0 of downlink signal, and then determine the isolation of the wireless discharging-directly station, which can be according to practical warp It tests and needs to carry out flexible setting, for example, the predetermined period can be 2 days.
Further, which can also repeatedly calculate isolation, using the average value of multiple isolations as this The isolation of wireless discharging-directly station.
In the embodiment of the present invention 2, since in practical applications, GD0 is traditionally arranged to be design wireless discharging-directly station and works normally Maximum downstream gain amplifier, therefore, in general, GD < GD0.
The method that above-described embodiment 2 provides through the invention, since wireless discharging-directly station can determine passback antenna and connect Enter the practical isolation of antenna, adjustment downlink gain amplifier appropriate, so as to avoid occurring self-excitation phenomena and guarantee to communicate Quality.
Embodiment 3:
Based on the same inventive concept, the signal gain amplifier method of adjustment provided according to that above embodiment of the present invention, accordingly Ground, another embodiment of the present invention additionally provide a kind of signal gain amplifier adjustment device, and structural schematic diagram is as shown in figure 4, tool Body includes:
Monitoring unit 401, for monitoring the wireless discharging-directly station when the downlink amplification channel of wireless discharging-directly station is not switched on Passback antenna receive base station send downlink signal reception power, as first receive power；
First determination unit 402, for determining using default when the downlink amplification channel of wireless discharging-directly station opening The power that downlink gain amplifier obtains the first reception power amplification, the access antenna as the wireless discharging-directly station are sent The transmission power of the downlink signal；
Second determination unit 403, for determining that the passback antenna receives the downlink letter that the access antenna is sent Number reception power, as second receive power；
Third determination unit 404, for the access antenna to be sent to the transmission power and described the of the downlink signal Two receive the difference of power, are determined as the isolation of the wireless discharging-directly station；
Adjustment unit 405, the downlink for adjusting the wireless discharging-directly station according to the isolation of the wireless discharging-directly station are put Large gain, and the isolation subtracts the difference of downlink gain amplifier adjusted not less than default minimal difference threshold value.
Further, above-mentioned apparatus, further includes:
Receiving unit 406, for when the downlink amplification channel of the wireless discharging-directly station is not switched on, receiving the base station hair The synchronization signal sent, the synchronization signal carry the base station and send downlink signal and receive the conversion time of uplink signal, use In the opening time for determining the downlink amplification channel.
Further, the second determination unit 403 is opened specifically for the downlink amplification channel when the wireless discharging-directly station When, it monitors the passback antenna and receives the downlink signal that the currently transmitted downlink signal in base station and the access antenna are sent Reception power and value；The difference that described and value is received power with described first is determined as the passback antenna and receives institute State the reception power for the downlink signal that access antenna is sent.
The function of above-mentioned each unit can correspond to the respective handling step in process shown in Fig. 1 or Fig. 3, no longer superfluous herein It states.
Embodiment 4:
Fig. 5 is a kind of flow chart for signal gain amplifier method of adjustment that the embodiment of the present invention 4 provides, and is specifically included as follows Processing step:
Step 501, the access antenna for monitoring wireless discharging-directly station currently receive the reception power of uplink signal.
Step 502 determines the power obtained using current uplink gain amplifier to the reception power amplification, as the first hair Power is penetrated, the passback antenna for the wireless discharging-directly station sends the uplink signal.
Step 503 determines returning for the wireless discharging-directly station indicated in the power control command of the newest transmission in received base station The transmission power of uplink signal will be sent by passing antenna, as the second transmission power.
Step 504, when first transmission power be greater than second transmission power, and difference be greater than the first pre-determined threshold when, The current uplink gain amplifier is reduced according to the first preset step-length, as uplink gain amplifier adjusted.
Step 505, when first transmission power be less than second transmission power, and difference be greater than the second pre-determined threshold when, Increase the current uplink gain amplifier according to the second preset step-length, as uplink gain amplifier adjusted.
In the above method provided in an embodiment of the present invention, when what is sent by wireless discharging-directly station forwarding user equipment to base station When uplink signal, the access antenna of the wireless discharging-directly station receives the uplink signal that user equipment is sent, in uplink amplification channel After the reception power amplification of the uplink signal of user equipment transmission, there is the passback antenna of the wireless discharging-directly station by the uplink signal It is sent to base station.The wireless discharging-directly station is installed indoors, and the passback antenna of the wireless discharging-directly station is mounted on outdoor, access antenna peace Mounted in interior, which is connected with the wireless discharging-directly station by feeder line.
4 method provided through the foregoing embodiment, since wireless discharging-directly station will return the reality of antenna transmission uplink signal The transmission power for requiring the wireless discharging-directly station to send uplink signal in the power control command of transmission power and base station is compared, Uplink gain amplifier is adjusted according to comparison result, so that passback antenna sends the actual emission power of uplink signal and is somebody's turn to do The difference for requiring the wireless discharging-directly station to send the transmission power of uplink signal in power control command becomes smaller, and reduces and believes uplink Number noise amplification, effectively inhibit base station input terminal low noise lifting.
Embodiment 5:
The embodiment of the present invention 5 provides a kind of wireless discharging-directly station, and structural schematic diagram is as shown in Figure 6, comprising: access antenna 601, terminal module 602, control module 603, uplink amplification channel 604 and passback antenna 605, in which:
The access antenna 601, for receiving the uplink signal of user equipment transmission；The uplink signal is sent to institute State uplink amplification channel.
The terminal module 602, the access antenna for monitoring wireless discharging-directly station currently receive the reception function of uplink signal Rate, and the reception power is sent to the control module；Determine the power control command middle finger of the newest transmission in received base station The passback antenna of the wireless discharging-directly station shown will send the transmission power of uplink signal, as the second transmission power；By institute It states the second transmission power and is sent to the control module.
The control module 603, the access antenna for receiving the wireless discharging-directly station that the terminal module is sent currently connect Receive the reception power of uplink signal；It determines the power obtained using current uplink gain amplifier to the reception power amplification, makees For the first transmission power, the passback antenna for the wireless discharging-directly station sends the uplink signal；Receive the terminal module Second transmission power sent；When first transmission power be greater than second transmission power, and difference be greater than first When pre-determined threshold, the current uplink gain amplifier is reduced according to the first preset step-length, as uplink gain amplifier adjusted； It is default according to second when first transmission power is less than second transmission power, and difference is greater than the second pre-determined threshold Step-length increases the current uplink gain amplifier, as uplink gain amplifier adjusted.
The uplink amplification channel 604, the uplink signal sent for receiving the access antenna；It transmits on described Row signal；The uplink signal is sent to the passback antenna.
The passback antenna 605, for emitting the uplink signal.
Further, the terminal module 602 is also used to currently receive uplink in the access antenna of monitoring wireless discharging-directly station Before the reception power of signal, the power control command that base station is sent is received, the power control command, which carries, indicates the nothing The passback antenna of line repeater will send the transmission power of uplink signal；The passback antenna of the wireless discharging-directly station will be sent out The transmission power of uplink signal is sent to be sent to the control module；
The control module 603 is also used to receive the passback antenna for the wireless discharging-directly station that the terminal module is sent The transmission power of uplink signal will be sent；Determine that user equipment sends the default of the uplink signal to the wireless discharging-directly station The difference of default greatest path loss between maximum transmission power and the user equipment and the wireless discharging-directly station, as institute It states wireless discharging-directly station and receives the reception power that the user equipment sends the uplink signal；The wireless discharging-directly station is received and is used The passback antenna of reception power and the wireless discharging-directly station that family equipment sends the uplink signal will send uplink signal The difference of transmission power is determined as the initial uplink gain amplifier of the wireless discharging-directly station.
The wireless discharging-directly station that above-described embodiment 1 provides through the invention is sent since wireless discharging-directly station will return antenna The wireless discharging-directly station is required to send the transmitting of uplink signal in the actual emission power of row signal and the power control command of base station Power is compared, and is adjusted according to comparison result to uplink gain amplifier, so that passback antenna sends the reality of uplink signal The difference for requiring the wireless discharging-directly station to send the transmission power of uplink signal in border transmission power and the power control command becomes smaller, The noise amplification to uplink signal is reduced, the low noise lifting of base station input terminal is effectively inhibited.
Embodiment 6:
The modules of combining wireless repeater, the embodiment of the present invention 6 provide a kind of signal gain amplifier method of adjustment, As shown in fig. 7, specifically including following process flow:
Step 701, wireless discharging-directly station terminal module receive the power control command that base station is sent, and by the power control Order is sent to control module.
Wherein, power control command carries the transmitting for indicating that the passback antenna of the wireless discharging-directly station will send uplink signal Power P 1.
Step 702, the control module determine that user equipment sends the default maximum of the uplink signal to the wireless discharging-directly station The difference of default greatest path loss between transmission power and the user equipment and the wireless discharging-directly station is wirelessly directly put as this It stands and receives the reception power that the user equipment sends the uplink signal.
In this step, user equipment is to the default maximum transmission power that the wireless discharging-directly station sends the uplink signal Pmax, such as: Pmax is generally 23dBm, and the default greatest path loss between the user equipment and the wireless discharging-directly station is PL0, PL0 are estimated in advance, are a known fixed value, then the wireless discharging-directly station receives the user equipment and sends the uplink The reception power of signal is (Pmax-PL0).
Wireless discharging-directly station reception user equipment is sent the reception power of the uplink signal by step 703, the control module The difference that the transmission power of uplink signal will be sent with the passback antenna of the wireless discharging-directly station, is determined as the wireless discharging-directly station Initial uplink gain amplifier.
In this step, initial uplink gain amplifier GU=P1- (Pmax-PL0)=P1-Pmax+ of the wireless discharging-directly station PL0。
Further, it is contemplated that feeder loss L1 and default redundancy R between terminal module and passback antenna, it should The initial uplink gain amplifier of wireless discharging-directly station is P1-Pmax+PL0-L1+R.
Further, after the initial uplink gain amplifier for determining the wireless discharging-directly station, which can also be amplified Gain in real time or periodically adjust, concrete processing procedure following steps 704-710.
The access antenna that step 704, the terminal module monitor wireless discharging-directly station currently receives the reception power of uplink signal P2, and the reception power is sent to control module.
In this step, terminal module can work as in real time or according to the access antenna of predetermined period monitoring wireless discharging-directly station It is preceding receive uplink signal reception power, wherein the predetermined period can based on practical experience with need to carry out flexible setting.
The access antenna that step 705, the control module receive terminal module transmission currently receives the reception of uplink signal After power, the power obtained to the reception power amplification using current uplink gain amplifier is determined, as the first transmission power, Passback antenna for the wireless discharging-directly station sends the uplink signal.
In this step, which is P2+GU.
Step 706, the terminal module receive the newest power control command that base station is sent, and by the newest power control System order is sent to the control module
Step 707, when the control module receive the terminal module transmission newest power control command after, and determine The passback antenna of the wireless discharging-directly station indicated in the newest power control command will send the transmission power of uplink signal, As the second transmission power.
Step 708, the size relation for determining first transmission power and second transmission power and first transmission power With the difference of second transmission power.
Step 709, when first transmission power be greater than second transmission power, and difference be greater than the first pre-determined threshold when, The control module reduces the current uplink gain amplifier according to the first preset step-length, as uplink gain amplifier adjusted.
In this step, first preset step-length can based on practical experience with need to carry out flexible setting.
Step 710, when first transmission power be less than second transmission power when, determine first transmission power and second When whether the difference of transmission power is greater than the second pre-determined threshold, which increases the current uplink according to the second preset step-length Gain amplifier, as uplink gain amplifier adjusted.
In this step, second preset step-length can based on practical experience with need to carry out flexible setting.In practical application In, in general, in view of needing to meet rapidly the requirement of uplink transmission power at this time, the second preset step-length can be set and be greater than the One preset step-length, such as: the second preset step-length can be 5dB, and the first preset step-length can be 2dB.
Further, when first transmission power is equal to second transmission power, which is not needed to uplink Gain amplifier is adjusted, illustrate using at this time uplink gain amplifier to uplink signal carry out power amplification, passback antenna to The transmission power that base station sends uplink signal, which is equal in the power control command of base station, requires wireless discharging-directly station to send uplink signal Transmission power.
The method that above-described embodiment 6 provides through the invention sends uplink signal since wireless discharging-directly station will return antenna Actual emission power and base station power control command in require the wireless discharging-directly station send uplink signal transmission power into Row compares, and is adjusted according to comparison result to uplink gain amplifier, so that passback antenna sends the actual transmission of uplink signal The difference for requiring the wireless discharging-directly station to send the transmission power of uplink signal in power and the power control command becomes smaller, and reduces Noise amplification to uplink signal effectively inhibits the low noise lifting of base station input terminal.
Embodiment 7:
Based on the same inventive concept, the signal gain amplifier method of adjustment provided according to that above embodiment of the present invention, accordingly Ground, another embodiment of the present invention additionally provide a kind of signal gain amplifier adjustment device, and structural schematic diagram is as shown in figure 8, tool Body includes:
Monitoring unit 801, the access antenna for monitoring wireless discharging-directly station currently receive the reception power of uplink signal；
First determination unit 802 receives what power amplification obtained to described using current uplink gain amplifier for determining Power, as the first transmission power, the passback antenna for the wireless discharging-directly station sends the uplink signal；
Second determination unit 803, indicate in the power control command for determining the newest transmission in received base station described in The passback antenna of wireless discharging-directly station will send the transmission power of uplink signal, as the second transmission power；
The first adjustment unit 804, for being greater than second transmission power when first transmission power, and difference is greater than When the first pre-determined threshold, the current uplink gain amplifier is reduced according to the first preset step-length, is amplified as uplink adjusted Gain；
Second adjustment unit 805, for being less than second transmission power when first transmission power, and difference is greater than When the second pre-determined threshold, increases the current uplink gain amplifier according to the second preset step-length, amplify as uplink adjusted Gain.
Further, above-mentioned apparatus, further includes:
Receiving unit 806, for currently receiving the reception power of uplink signal in the access antenna of monitoring wireless discharging-directly station Before, wireless discharging-directly station receives the power control command that base station is sent, and it is described wireless straight that the power control command carries instruction The passback antenna for putting station will send the transmission power of uplink signal；
Third determination unit 807, for determining that user equipment sends the pre- of the uplink signal to the wireless discharging-directly station If the difference of the default greatest path loss between maximum transmission power and the user equipment and the wireless discharging-directly station, as The wireless discharging-directly station receives the reception power that the user equipment sends the uplink signal；
4th determination unit 808, for wireless discharging-directly station reception user equipment to be sent connecing for the uplink signal The passback antenna of receipts power and the wireless discharging-directly station will send the difference of the transmission power of uplink signal, be determined as the nothing The initial uplink gain amplifier of line repeater.
The function of above-mentioned each unit can correspond to the respective handling step in process shown in Fig. 5 or Fig. 7, no longer superfluous herein It states.
In the above embodiment of the present invention, when a wireless discharging-directly station adjusts separately uplink gain amplifier and downlink gain amplifier Afterwards, generally in practical projects, uplink gain amplifier adjusted is not more than downlink gain amplifier, i.e. GU≤GD, this is simultaneously It ensure that when carrying out power amplification to uplink signal self-excitation phenomena will not occur for wireless discharging-directly station.
In conclusion scheme provided in an embodiment of the present invention, comprising: when the downlink amplification channel of wireless discharging-directly station is not switched on When, the passback antenna for monitoring the wireless discharging-directly station receives the reception power for the downlink signal that base station is sent, and receives function as first Rate；When the downlink amplification channel of the wireless discharging-directly station is opened, determine using default downlink gain amplifier to the first reception function The power that rate is amplified sends the transmission power of the downlink signal as the access antenna of the wireless discharging-directly station；Determine this time The reception power that antenna receives the downlink signal of access antenna transmission is passed, receives power as second；By the access antenna The transmission power of the downlink signal and the difference of the second reception power are sent, the isolation of the wireless discharging-directly station is determined as；Root Adjust the downlink gain amplifier of the wireless discharging-directly station according to the isolation of the wireless discharging-directly station, and the isolation subtract it is adjusted under The difference of row gain amplifier is not less than default minimal difference threshold value.Since wireless discharging-directly station can determine passback antenna and access The practical isolation of antenna, adjustment downlink gain amplifier appropriate, so as to avoid occurring self-excitation phenomena and guarantee to communicate matter Amount.
The adjustment device of signal gain amplifier provided by embodiments herein can be realized by a computer program.This field Technical staff is it should be appreciated that above-mentioned module division mode is only one of numerous module division modes, if divided It all should be the application's as long as signal gain amplifier adjustment device has above-mentioned function for other modules or non-division module Within protection scope.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (15)

1. a kind of signal gain amplifier method of adjustment characterized by comprising
When the downlink amplification channel of wireless discharging-directly station is not switched on, the passback antenna for monitoring the wireless discharging-directly station receives base station hair The reception power of the downlink signal sent receives power as first；
When the downlink amplification channel of the wireless discharging-directly station is opened, determines and connect using default downlink gain amplifier to described first The power that power amplification obtains is received, the transmission power of the downlink signal is sent as the access antenna of the wireless discharging-directly station；
It determines that the passback antenna receives the reception power for the downlink signal that the access antenna is sent, is received as second Power；
The access antenna is sent to the transmission power of the downlink signal and the difference of the second reception power, is determined as institute State the isolation of wireless discharging-directly station；
The downlink gain amplifier of the wireless discharging-directly station is adjusted according to the isolation of the wireless discharging-directly station, and the isolation subtracts The difference of downlink gain amplifier adjusted is gone to be not less than default minimal difference threshold value.
2. the method as described in claim 1, which is characterized in that further include:
When the downlink amplification channel of the wireless discharging-directly station is not switched on, the synchronization signal that the base station is sent is received, it is described same Step signal carries the base station and sends downlink signal and receive the conversion time of uplink signal, for determining that the downlink amplification is logical The opening time in road.
3. the method as described in claim 1, which is characterized in that determine that the passback antenna receives what the access antenna was sent The reception power of the downlink signal, specifically includes:
When the downlink amplification channel of the wireless discharging-directly station is opened, under monitoring passback antenna reception base station is currently transmitted Row signal and it is described access antenna send the downlink signal reception power and value；
The difference that described and value is received power with described first is determined as the passback antenna and receives the access antenna transmission The downlink signal reception power.
4. a kind of signal gain amplifier adjusts device characterized by comprising
Monitoring unit, for monitoring the passback of the wireless discharging-directly station when the downlink amplification channel of wireless discharging-directly station is not switched on Antenna receives the reception power for the downlink signal that base station is sent, and receives power as first；
First determination unit, for determining and being put using default downlink when the downlink amplification channel of wireless discharging-directly station opening Large gain receives the power that power amplification obtains to described first, under the access antenna transmission as the wireless discharging-directly station is described The transmission power of row signal；
Second determination unit, for determining that the passback antenna receives the reception for the downlink signal that the access antenna is sent Power receives power as second；
Third determination unit receives function for the access antenna to be sent the transmission power of the downlink signal and described second The difference of rate is determined as the isolation of the wireless discharging-directly station；
Adjustment unit, for adjusting the downlink gain amplifier of the wireless discharging-directly station according to the isolation of the wireless discharging-directly station, And the isolation subtracts the difference of downlink gain amplifier adjusted not less than default minimal difference threshold value.
5. device as claimed in claim 4, which is characterized in that further include:
Receiving unit, for when the downlink amplification channel of the wireless discharging-directly station is not switched on, receiving the same of the base station transmission Signal is walked, the synchronization signal carries the base station and sends downlink signal and receive the conversion time of uplink signal, for determining The opening time of the downlink amplification channel.
6. device as claimed in claim 4, which is characterized in that second determination unit is specifically used for when described wireless straight When putting the downlink amplification channel opening at station, monitors the passback antenna and receive the currently transmitted downlink signal in base station and the access Antenna send the downlink signal reception power and value；The difference that described and value is received into power with described first, really It is set to the reception power that the passback antenna receives the downlink signal that the access antenna is sent.
7. a kind of wireless discharging-directly station characterized by comprising passback antenna, terminal module, control module, downlink amplification channel With access antenna, in which:
The passback antenna, for receiving the downlink signal of base station transmission；Receive the downlink signal that the access antenna is sent；It will Downlink signal is sent to the downlink amplification channel；
The terminal module, for monitoring time of the wireless discharging-directly station when the downlink amplification channel of wireless discharging-directly station is not switched on The reception power that antenna receives the downlink signal that base station is sent is passed, receives power as first；Power hair is received by described first Give the control module；
The control module receives power for receiving the terminal module is sent described first；It determines when described wireless straight The power that the first reception power amplification is obtained using default downlink gain amplifier when putting the downlink amplification channel opening at station, The transmission power of the downlink signal is sent as the access antenna of the wireless discharging-directly station；Determine that the passback antenna receives institute The reception power for stating the downlink signal that access antenna is sent receives power as second；The access antenna is sent into institute The transmission power of downlink signal and the difference of the second reception power are stated, the isolation of the wireless discharging-directly station is determined as；Root According to the isolation of the wireless discharging-directly station and the downlink gain amplifier of the adjustment wireless discharging-directly station, and the isolation subtracts tune The difference of downlink gain amplifier after whole is not less than default minimal difference threshold value；
The downlink amplification channel, the downlink signal sent for receiving the passback antenna；Transmit the downlink signal； The downlink signal is sent to the access antenna；
The access antenna, for sending the downlink signal.
8. wireless discharging-directly station as claimed in claim 7, which is characterized in that the terminal module is also used to receive the base station The synchronization signal of transmission, the synchronization signal carry the base station and send downlink signal and receive the conversion time of uplink signal； The conversion time is sent to the control module；
The control module is also used to receive the conversion time that the terminal module is sent；According to the conversion time control The opening time of downlink amplification channel processed.
9. wireless discharging-directly station as claimed in claim 7, which is characterized in that the terminal module is specifically used for monitoring when described The downlink amplification channel of wireless discharging-directly station when opening the passback antenna receive the currently transmitted downlink signal in base station and described connect Enter antenna transmission the downlink signal reception power and value；Described and value is sent to the control module；
The control module, specifically for receiving described in the terminal module transmission and being worth；It will described and value and described first The difference for receiving power is determined as the reception function that the passback antenna receives the downlink signal that the access antenna is sent Rate.
10. a kind of signal gain amplifier method of adjustment characterized by comprising
The access antenna of monitoring wireless discharging-directly station currently receives the reception power of uplink signal；
Determine that the power obtained using current uplink gain amplifier to the reception power amplification is used as the first transmission power The uplink signal is sent in the passback antenna of the wireless discharging-directly station；
Determine that the passback antenna of the wireless discharging-directly station indicated in the power control command of the newest transmission in received base station will The transmission power for sending uplink signal, as the second transmission power；
When first transmission power is greater than second transmission power, and difference is greater than the first pre-determined threshold, according to first Preset step-length reduces the current uplink gain amplifier, as uplink gain amplifier adjusted；
When first transmission power is less than second transmission power, and difference is greater than the second pre-determined threshold, according to second Preset step-length increases the current uplink gain amplifier, as uplink gain amplifier adjusted.
11. method as claimed in claim 10, which is characterized in that currently received in the access antenna of monitoring wireless discharging-directly station Before the reception power of row signal, further includes:
Wireless discharging-directly station receives the power control command that base station is sent, and the power control command carrying instruction is described wirelessly directly to put The passback antenna stood will send the transmission power of uplink signal；
Determine user equipment to the wireless discharging-directly station send the uplink signal default maximum transmission power and the user The difference of default greatest path loss between equipment and the wireless discharging-directly station receives the use as the wireless discharging-directly station Family equipment sends the reception power of the uplink signal；
Power and the wireless discharging-directly station are received by what wireless discharging-directly station reception user equipment sent the uplink signal Passback antenna will send the difference of the transmission power of uplink signal, be determined as the initial uplink amplification of the wireless discharging-directly station Gain.
12. a kind of signal gain amplifier adjusts device characterized by comprising
Monitoring unit, the access antenna for monitoring wireless discharging-directly station currently receive the reception power of uplink signal；
First determination unit is made for determining the power obtained using current uplink gain amplifier to the reception power amplification For the first transmission power, the passback antenna for the wireless discharging-directly station sends the uplink signal；
Second determination unit, what is indicated in the power control command for determining the newest transmission in received base station described wirelessly directly puts The passback antenna stood will send the transmission power of uplink signal, as the second transmission power；
The first adjustment unit, for being greater than second transmission power when first transmission power, and difference is greater than first in advance Gating is prescribed a time limit, and the current uplink gain amplifier is reduced according to the first preset step-length, as uplink gain amplifier adjusted；
Second adjustment unit, for being less than second transmission power when first transmission power, and difference is greater than second in advance Gating is prescribed a time limit, and increases the current uplink gain amplifier according to the second preset step-length, as uplink gain amplifier adjusted.
13. device as claimed in claim 12, which is characterized in that further include:
Receiving unit, for monitoring wireless discharging-directly station access antenna currently receive the reception power of uplink signal before, nothing Line repeater receives the power control command that base station is sent, and the power control command, which carries, indicates returning for the wireless discharging-directly station The transmission power of uplink signal will be sent by passing antenna；
Third determination unit, for determining that user equipment is sent out to the default maximum that the wireless discharging-directly station sends the uplink signal The difference for penetrating the default greatest path loss between power and the user equipment and the wireless discharging-directly station, as described wireless Repeater receives the reception power that the user equipment sends the uplink signal；
4th determination unit, for by the wireless discharging-directly station reception user equipment send the uplink signal reception power and The passback antenna of the wireless discharging-directly station will send the difference of the transmission power of uplink signal, be determined as the wireless discharging-directly station Initial uplink gain amplifier.
14. a kind of wireless discharging-directly station characterized by comprising access antenna, terminal module, control module, uplink amplification channel With passback antenna, in which:
The access antenna, for receiving the uplink signal of user equipment transmission；The uplink signal is sent to the uplink Amplification channel；
The terminal module, the access antenna for monitoring wireless discharging-directly station currently receive the reception power of uplink signal, and will The reception power is sent to the control module；Determine indicated in the power control command of the newest transmission in received base station it is described The passback antenna of wireless discharging-directly station will send the transmission power of uplink signal, as the second transmission power；Described second is sent out It penetrates power and is sent to the control module；
The control module, the access antenna for receiving the wireless discharging-directly station that the terminal module is sent currently receive uplink letter Number reception power；The power obtained using current uplink gain amplifier to the reception power amplification is determined, as the first hair Power is penetrated, the passback antenna for the wireless discharging-directly station sends the uplink signal；Receive the institute that the terminal module is sent State the second transmission power；When first transmission power be greater than second transmission power, and difference be greater than the first pre-determined threshold When, the current uplink gain amplifier is reduced according to the first preset step-length, as uplink gain amplifier adjusted；When described One transmission power be less than second transmission power, and difference be greater than the second pre-determined threshold when, according to the second preset step-length increase The current uplink gain amplifier, as uplink gain amplifier adjusted；
The uplink amplification channel, the uplink signal sent for receiving the access antenna；Transmit the uplink signal； The uplink signal is sent to the passback antenna；
The passback antenna, for emitting the uplink signal.
15. wireless discharging-directly station as claimed in claim 14, which is characterized in that the terminal module is also used to wireless in monitoring Before the access antenna of repeater currently receives the reception power of uplink signal, the power control command that base station is sent, institute are received It states power control command and carries the transmission power for indicating that the passback antenna of the wireless discharging-directly station will send uplink signal；By institute The passback antenna for stating wireless discharging-directly station will send the transmission power of uplink signal and be sent to the control module；
The control module, the passback antenna for being also used to receive the wireless discharging-directly station that the terminal module is sent will be sent The transmission power of uplink signal；Determine that user equipment sends the default emission maximum of the uplink signal to the wireless discharging-directly station The difference of default greatest path loss between power and the user equipment and the wireless discharging-directly station, as described wireless straight It puts station and receives the reception power that the user equipment sends the uplink signal；The wireless discharging-directly station is received into user equipment hair The passback antenna of the reception power and the wireless discharging-directly station that send the uplink signal will send the transmission power of uplink signal Difference, be determined as the initial uplink gain amplifier of the wireless discharging-directly station.
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CN111313952B (en) * 2018-12-12 2022-05-13 中国移动通信集团北京有限公司 Method and device for intelligently adjusting gain of repeater, repeater and storage medium
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