CN106561009A - System and method for relaying and amplifying signals in wireless communication system - Google Patents

System and method for relaying and amplifying signals in wireless communication system Download PDF

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Publication number
CN106561009A
CN106561009A CN201510645069.4A CN201510645069A CN106561009A CN 106561009 A CN106561009 A CN 106561009A CN 201510645069 A CN201510645069 A CN 201510645069A CN 106561009 A CN106561009 A CN 106561009A
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China
Prior art keywords
signal
radio frequency
frequency transceiver
transceiver chip
chip
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Granted
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CN201510645069.4A
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CN106561009B (en
Inventor
景方阳
赵强
黄文韬
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Spreadtrum Communications Shanghai Co Ltd
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Spreadtrum Communications Shanghai Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/155Ground-based stations
    • H04B7/15528Control of operation parameters of a relay station to exploit the physical medium
    • H04B7/15535Control of relay amplifier gain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0042Digital filtering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • H04B1/50Circuits using different frequencies for the two directions of communication
    • H04B1/52Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa

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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 provides a system and method for relaying and amplifying signals in a wireless communication system. The system comprises a baseband chip and a first radio frequency transceiver chip. The baseband chip is suitable for presetting a first preset power. The first radio frequency transceiver chip is suitable for amplifying a first received signal, and mixing with lower frequency to obtain a first intermediate signal. The baseband chip is also suitable for controlling the gain during the power amplification of a second radio frequency transceiver chip based on the power of the first intermediate signal and the first preset power. The system comprises the second radio frequency transceiver which is suitable for amplifying the first intermediate signal to the first preset frequency to acquire the first sending signal. The system applies the already-existent communication baseband chip and radio frequency transceiver chip as the main body of the signal relaying and amplifying system, uses the baseband chip as the control unit, based on the preset gain for power amplification, controls the behaviors of the radio frequency transceiver chip. Compared with the prior art, the system has the advantages of being capable of controlling the gain conveniently during power amplification.

Description

Signal repeater amplifier system and method in wireless communication system
Technical field
The present invention relates to wireless communication technology field, the signal in more particularly to a kind of wireless communication system Repeater amplifier system and method.
Background technology
In a wireless communication system, the use of user terminal, has necessarily to the signal strength signal intensity in its residing region Requirement.In mobile base station signal edge region, because signal strength signal intensity is not enough, can cause user terminal and Similar devices cannot be used normally.
By the reception power consumption for improving user terminal, the receiving ability to low intensity signal can be strengthened, but It is to be limited by mobile communication agreement and user terminal battery capacity, this method is typically infeasible.
And movable signal relay amplification device is utilized, the movement in space is received and amplified in certain area Base station signal, uses for neighbouring user terminal, can efficiently solve weak output signal zone user terminal Use problem.
Movable signal relay amplification device of the prior art, sets up signal link using discrete device mostly, Complex structure, radio-frequency performance is wayward.Specifically, gain when there is power amplification it is uncontrollable and/ Or the defect such as working frequency range is uncontrollable.
The content of the invention
Present invention solves the technical problem that being:Offer is a kind of to be easy to the signal relaying for controlling its radio-frequency performance to put Big device, especially the gain controllable and working frequency range during power amplification is controllable.
In order to solve above-mentioned technical problem, the embodiment of the present invention provides the signal in a kind of wireless communication system Repeater amplifier system, including:Baseband chip, the first radio frequency transceiver chip, the second radio-frequency receiving-transmitting movement Piece and antenna;The first radio frequency transceiver chip and the second radio frequency transceiver chip cascade, it is described Baseband chip connects respectively the first radio frequency transceiver chip and the second radio frequency transceiver chip, institute State the first radio frequency transceiver chip and the second radio frequency transceiver chip is coupled respectively with the antenna;Its In:
Baseband chip, is suitable to pre-set the first predetermined power;
Antenna, is suitable to the first reception signal transmission for coming from base station that will be received to the first radio-frequency receiving-transmitting Movement piece;
First radio frequency transceiver chip, is suitable to be amplified the described first reception signal and be mixed downwards, Obtain first M signal;
Baseband chip, is further adapted for the first M signal in response to detecting, according to the described first centre letter Number power and the first predetermined power, gain when amplifying to the second radio frequency transceiver chip power carries out Control;
Second radio frequency transceiver chip, is suitable to for the first M signal to be amplified to the first predetermined power, Obtain the first sending signal;
Antenna, is further adapted for being launched first sending signal.
Optionally, baseband chip, is further adapted for pre-setting the second predetermined power and the first predeterminated frequency;
Antenna, the second reception signal transmission for coming from user terminal for being further adapted for receiving is penetrated to second Frequency transceiver chip;
Second radio frequency transceiver chip, is further adapted for being mixed the described second reception signal downwards, obtains Second M signal;
Baseband chip, is further adapted for the second M signal in response to detecting, according to the described first default frequency Rate, is controlled, according in described second to the first radio frequency transceiver chip to the frequency of uppermixing Between signal power and the second predetermined power, gain when amplifying to the first radio frequency transceiver chip power It is controlled;
First radio frequency transceiver chip, is further adapted for for the second M signal being up-mixed to first and presets Frequency, the second predetermined power is amplified to, obtains the second sending signal;
Antenna, is further adapted for being launched second sending signal.
Optionally, the antenna includes:First antenna and the second antenna, the first radio-frequency receiving-transmitting movement Piece is coupled with the first antenna, and the second radio frequency transceiver chip is coupled with second antenna;Its In:
First antenna, is suitable to the first reception signal transmission for coming from base station that will be received to the first radio frequency Transceiver chip, is further adapted for being launched second sending signal;
Second antenna, is suitable to be launched first sending signal, be further adapted for receiving from In the second of user terminal signal transmission is received to the second radio frequency transceiver chip.
Optionally, baseband chip, is further adapted for pre-setting the first working frequency range, in the described first work frequency Carry out searching net, network selection and residing under preferred frequency in section.
Optionally, the baseband chip includes:User configuring interface;
User configuring interface, be suitable to according to the instruction of user pre-set the first predetermined power, second preset Power, the first predeterminated frequency and/or the first working frequency range.
Optionally, the first radio frequency transceiver chip includes:One or more suitable for different systems Wave filter;It is described to described first reception signal be amplified including:Signal is received according to described first Standard, branch amplification is carried out using the wave filter suitable for the standard to the described first reception signal.
Optionally, also include:PMU, the PMU connects the baseband chip.
In order to solve above-mentioned technical problem, the embodiment of the present invention also provides the letter in a kind of wireless communication system Number relaying amplification method, including:
Pre-set the first predetermined power;
In response to the first reception signal for coming from base station for receiving, by described first signal transmission is received To the first radio frequency transceiver chip;
Described first reception signal is amplified and is mixed downwards, obtain first M signal;
In response to the first M signal that baseband chip is detected, according to the power of the first M signal And first predetermined power, gain when amplifying to the second radio frequency transceiver chip power is controlled;
The first M signal is amplified to into the first predetermined power, the first sending signal is obtained;
First sending signal is launched.
Optionally, also include:
Pre-set the first working frequency range;
Carry out searching net, network selection and residing under preferred frequency in first working frequency range.
Optionally, also include:First predetermined power and/or the first work are pre-set according to the instruction of user Frequency range.
Optionally, it is described to described first reception signal be amplified including:Letter is received according to described first Number standard, using suitable for the standard wave filter to described first reception signal carry out branch amplification.
In order to solve above-mentioned technical problem, the embodiment of the present invention also provides the letter in a kind of wireless communication system Number relaying amplification method, including:
Pre-set the second predetermined power and the first predeterminated frequency;
In response to the second reception signal for coming from user terminal for receiving, by described second signal is received Transmit to the second radio frequency transceiver chip;
Described second reception signal is mixed downwards, second M signal is obtained;
In response to the second M signal that baseband chip is detected, according to first predeterminated frequency, to institute State the first radio frequency transceiver chip to be controlled to the frequency of uppermixing, according to the second M signal Power and the second predetermined power, gain when amplifying to the first radio frequency transceiver chip power is controlled;
The second M signal is up-mixed to the first predeterminated frequency, is amplified to the second predetermined power, Obtain the second sending signal;
Second sending signal is launched.
Optionally, also include:Second predetermined power and/or first default is pre-set according to the instruction of user Frequency.
Compared with prior art, technical scheme has the advantages that:
By the use of existing communications baseband chip and radio frequency transceiver chip as the master of signal repeater amplifier system Body, by the way of two pieces of radio frequency transceiver chip cascades, constitutes signal and receives the primary path for amplifying, base Microarray strip, according to the gain for pre-setting power amplification, controls radio frequency transceiver chip as control unit Behavior, for signal repeater amplifier system of the prior art, can easily control power Gain during amplification, and it is capable of the multiple of automatic power adjustment amplification.
Further, wireless signal Bi-directional amplifier is supported, i.e., the signal for coming from base station can either be amplified Transmitting afterwards (for user terminal reception), it is also possible to transmitting after the signal amplification of user terminal will be come from and (supplied Base station receives).
Further, according to the first working frequency range for pre-setting carry out searching net, network selection and it is resident under it is excellent Under frequency-selecting point such that it is able in the working frequency range operated within range that user specifies, and realize working frequency range Self adaptation, can also further support multiple working frequency range and its any combination.
Further, the first radio frequency transceiver chip can include:Suitable for one of different systems Or multiple wave filters;It is described to described first reception signal be amplified including:Receive according to described first The standard of signal, branch amplification is carried out using the wave filter suitable for the standard to the described first reception signal, So as to support the communication network of different systems.
Description of the drawings
Fig. 1 is the signal relay amplification device structured flowchart in the embodiment of the present invention in wireless communication system;
Fig. 2 is the signal relaying amplification method flow chart in the embodiment of the present invention in wireless communication system;
Fig. 3 is the signal relaying amplification method flow chart in the embodiment of the present invention in wireless communication system.
Specific embodiment
It can be seen from the analysis of background section, movable signal relay amplification device of the prior art, Mostly signal link is set up using discrete device, complex structure, radio-frequency performance is wayward.Specifically, The defect such as gain when there is power amplification is uncontrollable and/or working frequency range is uncontrollable.
Inventor proposes a kind of signal relay amplification device for being easy to control its radio-frequency performance Jing after research, By the use of existing communications baseband chip and radio frequency transceiver chip as the main body of signal repeater amplifier system, By the way of two pieces of radio frequency transceiver chip cascades, constitute signal and receive the primary path for amplifying, base band core Piece, according to the gain for pre-setting power amplification, controls the row of radio frequency transceiver chip as control unit For signal repeater amplifier system of the prior art, can easily to control power amplification When gain, and be capable of automatic power adjustment amplify multiple especially power amplification when gain controllable And working frequency range is controllable.
To more fully understand those skilled in the art and realizing the present invention, referring to the drawings, by tool Body embodiment is described in detail.
Embodiment one
As described below, the embodiment of the present invention provides the signal repeater amplifier system in a kind of wireless communication system.
The signal repeater amplifier system structured flowchart in wireless communication system with reference to shown in Fig. 1.
Signal repeater amplifier system in the wireless communication system includes:Baseband chip 105, the first radio frequency Transceiver chip 101, the second radio frequency transceiver chip 102 and antenna 103,104;Wherein:
The first radio frequency transceiver chip 101 and the second radio frequency transceiver chip 102 are cascaded, its In, can be between the first radio frequency transceiver chip 101 and the second radio frequency transceiver chip 102 Including two paths, the transmission of uplink and downlink signal is respectively used to;
The baseband chip 105 connects respectively the first radio frequency transceiver chip 101 and described second and penetrates Frequency transceiver chip 102;
The first radio frequency transceiver chip 101 and the second radio frequency transceiver chip 102 respectively with institute State the coupling of antenna 103,104.
The present embodiment is constituted signal and is received the master for amplifying by the way of two pieces of radio frequency transceiver chip cascades Path.
Antenna 103,104 can include:The antenna 104 of first antenna 103 and second;Wherein:
First antenna 103 is coupled with the first radio frequency transceiver chip 101, is suitable to carry out nothing with base station Line communicates;
Second antenna 104 is coupled with the chip of the second radio frequency transceiver 102, is suitable to enter with user terminal Row radio communication.
It is understood that the antenna 104 of first antenna 103 and second can be discrete, it is also possible to collect Become the same antenna.
Signal repeater amplifier system in wireless communication system in the present embodiment can realize wireless signal Bi-directional amplifier, i.e., transmitting (receiving for user terminal) after can either be amplified the signal that come from base station, Transmitting (receiving for base station) after can be amplified the signal that user terminal be come from.
For the signal for coming from base station, the major function of each part is such as in the signal repeater amplifier system Under:
Baseband chip, is suitable to pre-set the first predetermined power.
First predetermined power is subsequently used in gain when amplifying to the second radio frequency transceiver chip power and carries out Control.
In being embodied as, the baseband chip can include:User configuring interface, is suitable to according to user Instruction pre-set the first predetermined power.
Specifically, the user configuring interface can be carried out by the form of man-machine interface (software) with user Interaction.
That is, the signal repeater amplifier system in the wireless communication system in the present embodiment allows user Gain during power amplification is voluntarily set.Specifically, both can be arrange amplify multiple, or Signal power after amplifying is set, the multiple of amplification is calculated by software.
It is understood that the first predetermined power can also be configured to default value, so as to no longer need to use Family is arranged manually.
In another embodiment, baseband chip may be used also on the basis of the first predetermined power is pre-set To pre-set the first working frequency range.It is likewise possible to pass through user configuring interface, according to the finger of user Order pre-sets the first working frequency range.
Signal repeater amplifier system in the wireless communication system according to first working frequency range carry out searching net, Network selection and it is resident under under preferred frequency.
That is, the signal repeater amplifier system in the wireless communication system in the present embodiment, Neng Gou The working frequency range operated within range that user specifies.
In being embodied as, can also further support multiple working frequency range and its any combination, i.e., it is described First working frequency range both can be single frequency range, or multiple frequency ranges and its any combination.
Description to technical scheme by more than can be seen that:In the present embodiment, according to for pre-setting One working frequency range carry out searching net, network selection and it is resident under under preferred frequency such that it is able to specify in user Working frequency range operated within range, and the self adaptation of working frequency range is realized, can also further support multiple works Make frequency range and its any combination.
Antenna, is suitable to the first reception signal transmission for coming from base station that will be received to the first radio-frequency receiving-transmitting Movement piece.
First antenna is received in response to the first reception signal for coming from base station for receiving by described first Signal transmission is to the first radio frequency transceiver chip.
First radio frequency transceiver chip, is suitable to be amplified the described first reception signal and be mixed downwards, Obtain first M signal.
First radio frequency transceiver chip receives the first reception signal for coming from first antenna, to described first Receive signal to be amplified and be mixed downwards, the first M signal energy obtained after amplified and downward mixing It is enough to be detected by baseband chip.
Due to the characteristics of signals difference of different systems communication network, in order to realize that various different systems are communicated The support of network, in being embodied as, the first radio frequency transceiver chip can include:Suitable for not With one or more wave filters of standard;It is described to described first reception signal be amplified including:According to Described first standard for receiving signal, signal is received using the wave filter suitable for the standard to described first Branch amplification is carried out, to ensure noise coefficient in a relatively low level.
Description to technical scheme by more than can be seen that:In the present embodiment, first radio-frequency receiving-transmitting Movement piece can include:Suitable for one or more wave filters of different systems;It is described to connect to described first Collect mail number be amplified including:According to the described first standard for receiving signal, using suitable for the standard Wave filter carries out branch amplification to the described first reception signal, so as to support the communication network of different systems.
Baseband chip, is adapted for the first M signal for detecting, according to the first M signal Power and the first predetermined power, gain when amplifying to the second radio frequency transceiver chip power controls System.
The present embodiment, according to the first predetermined power for pre-setting, controls follow-up second radio frequency by baseband chip Gain during transceiver chip power amplification.
As it was previously stated, the first predetermined power both can be the signal after the multiple, or amplification for amplifying Power, by software the multiple of amplification is calculated.According to signal power and first M signal after amplification Power, you can calculate the multiple of amplification.
Second radio frequency transceiver chip, is suitable to for the first M signal to be amplified to the first predetermined power, Obtain the first sending signal.
Second radio frequency transceiver chip is amplified to the first M signal under the control of baseband chip First predetermined power, obtains the first sending signal.Extended meeting after first sending signal is entered by the second antenna Row transmitting, receives for user terminal.
In order that user terminal can receive good signal, first predetermined power should be suitable Close the signal power that user terminal is received.
It is understood that if the first predetermined power is larger, scope that signal is effectively covered it is larger and Can be received by the poor user terminal of receiving ability, but the larger signal repeater amplifier system of signal power Certain interference can be produced to base station signal;If conversely, the first predetermined power is less, to base station signal Interference it is also less, but the scope that signal is effectively covered also can reduce therewith, be unfavorable for signal edge region User terminal receive.
In being embodied as, can consider cover needed for signal scope, the impact to base station signal, And many factors such as the receiving ability of user terminal are configuring value or the amplification of first predetermined power Multiple.
Antenna, is suitable to be launched first sending signal.
Second antenna receives the first sending signal for coming from the second radio frequency transceiver chip, by described first Sending signal is launched, and is received for user terminal.
Description to technical scheme by more than can be seen that:In the present embodiment, using existing communication base Microarray strip and radio frequency transceiver chip as signal repeater amplifier system main body, using two pieces of radio-frequency receiving-transmittings The mode of machine chip cascade, constitute signal receive amplify primary path, baseband chip as control unit, According to the gain for pre-setting power amplification, the behavior of radio frequency transceiver chip is controlled, relative to existing skill For signal repeater amplifier system in art, gain during power amplification, and energy can be easily controlled The multiple that enough automatic power adjustments amplify.
In being embodied as, the signal repeater amplifier system in the wireless communication system can also include:Electricity Source control unit, the PMU connects the baseband chip, for providing power supply for the system.
For the signal for coming from user terminal, the main work(of each part in the signal repeater amplifier system Can be as follows:
Baseband chip, is suitable to pre-set the second predetermined power and the first predeterminated frequency.
It is likewise possible to pass through user configuring interface, the second default work(is pre-set according to the instruction of user Rate and the first predeterminated frequency.
Antenna, is suitable to the second reception signal transmission for coming from user terminal that will be received to the second radio frequency Transceiver chip.
Second antenna response in receive come from user terminal second reception signal, by described second Signal transmission is received to the second radio frequency transceiver chip.
Second radio frequency transceiver chip, is suitable to be mixed the described second reception signal downwards, obtains the Two M signals.
Second radio frequency transceiver chip receives the second reception signal for coming from the second antenna, to described second Receive signal to be mixed downwards, the second M signal obtained after being mixed under warp-wise can be by baseband chip Detect.
Baseband chip, is adapted for the second M signal for detecting, according to first predeterminated frequency, The first radio frequency transceiver chip is controlled to the frequency of uppermixing, according to the described second centre letter Number power and the second predetermined power, gain when amplifying to the first radio frequency transceiver chip power carries out Control.
The present embodiment, according to the first predeterminated frequency for pre-setting, controls follow-up first radio frequency by baseband chip Transceiver chip according to the second predetermined power for pre-setting, controls follow-up the to the frequency after uppermixing Gain when one radio frequency transceiver chip power amplifies.
First radio frequency transceiver chip, is suitable to for the second M signal to be up-mixed to the first default frequency Rate, the second predetermined power is amplified to, obtains the second sending signal.
Second radio frequency transceiver chip upwards mixes the second M signal under the control of baseband chip Frequency is to the first predeterminated frequency and is amplified to the second predetermined power, obtains the second sending signal.This second Extended meeting after the number of delivering letters is launched by first antenna, is received for base station.
It is understood that first predeterminated frequency is to be adapted to the signal frequency that base station receives, described the Two predetermined powers are to be adapted to the signal power that base station receives.
Antenna, is further adapted for being launched second sending signal.
First antenna receives the second sending signal for coming from the first radio frequency transceiver chip, by described second Sending signal is launched, and is received for base station.
Description to technical scheme by more than can be seen that:In the present embodiment, support that wireless signal is two-way Amplify, i.e., transmitting (receiving for user terminal) after can either be amplified the signal that come from base station, it is also possible to Transmitting (receiving for base station) after the signal for coming from user terminal is amplified.
Embodiment two
As described below, the embodiment of the present invention provides the signal relaying amplification method in a kind of wireless communication system, Transmitting (receiving for user terminal) after the signal for coming from base station is amplified.
Signal relaying amplification method flow chart in wireless communication system with reference to shown in Fig. 2, below by way of Concrete steps are described in detail:
S201, pre-sets the first predetermined power.
In being embodied as, can also include:
Pre-set the first working frequency range;
Carry out searching net, network selection and residing under preferred frequency in first working frequency range.
In being embodied as, the first predetermined power and/or the first work can be pre-set according to the instruction of user Make frequency range.
Description to technical scheme by more than can be seen that:In the present embodiment, according to for pre-setting One working frequency range carry out searching net, network selection and it is resident under under preferred frequency such that it is able to specify in user Working frequency range operated within range, and the self adaptation of working frequency range is realized, can also further support multiple works Make frequency range and its any combination.
S202, in response to the first reception signal for coming from base station for receiving, described first is received and is believed Number transmit to the first radio frequency transceiver chip.
In being embodied as, can be according to the described first standard for receiving signal, using suitable for the standard Wave filter to described first reception signal carry out branch amplification.
S203, is amplified to the described first reception signal and is mixed downwards, obtains first M signal.
S204, in response to the first M signal that baseband chip is detected, according to the first M signal Power and the first predetermined power, gain when amplifying to the second radio frequency transceiver chip power controls System.
S205, by the first M signal the first predetermined power is amplified to, and obtains the first sending signal.
First predetermined power is to be adapted to the signal power that user terminal is received.
S206, first sending signal is launched.
Description to technical scheme by more than can be seen that:In the present embodiment, using existing communication base Microarray strip and radio frequency transceiver chip as signal repeater amplifier system main body, using two pieces of radio-frequency receiving-transmittings The mode of machine chip cascade, constitute signal receive amplify primary path, baseband chip as control unit, According to the gain for pre-setting power amplification, the behavior of radio frequency transceiver chip is controlled, relative to existing skill For signal repeater amplifier system in art, gain during power amplification, and energy can be easily controlled The multiple that enough automatic power adjustments amplify.
Embodiment three
As described below, the embodiment of the present invention provides the signal relaying amplification method in a kind of wireless communication system, Transmitting (receiving for base station) after the signal for coming from user terminal is amplified.
Signal relaying amplification method flow chart in wireless communication system with reference to shown in Fig. 3, below by way of Concrete steps are described in detail:
S301, pre-sets the second predetermined power and the first predeterminated frequency.
In being embodied as, the second predetermined power and/or first pre- can be pre-set according to the instruction of user If frequency.
S302, in response to the second reception signal for coming from user terminal for receiving, described second is connect Signal transmission is received to the second radio frequency transceiver chip.
S303, is mixed downwards to the described second reception signal, obtains second M signal.
S304, in response to the second M signal that baseband chip is detected, according to first predeterminated frequency, The first radio frequency transceiver chip is controlled to the frequency of uppermixing, according to the described second centre letter Number power and the second predetermined power, gain when amplifying to the first radio frequency transceiver chip power carries out Control.
S305, is up-mixed to the second M signal the first predeterminated frequency, is amplified to second and presets Power, obtains the second sending signal.
First predeterminated frequency is to be adapted to the signal frequency that base station receives, and second predetermined power is suitable Close the signal power that base station receives.
S306, second sending signal is launched.
Description to technical scheme by more than can be seen that:In the present embodiment, support that wireless signal is two-way Amplify, i.e., transmitting (receiving for user terminal) after can either be amplified the signal that come from base station, it is also possible to Transmitting (receiving for base station) after the signal for coming from user terminal is amplified.
It will appreciated by the skilled person that in the various methods of above-described embodiment, it is all or part of Step can be by the related hardware of programmed instruction come what is completed, and the program can be stored in a computer In readable storage medium storing program for executing, storage medium can include:ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, Without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore the guarantor of the present invention Shield scope should be defined by claim limited range.

Claims (13)

1. the signal repeater amplifier system in a kind of wireless communication system, it is characterised in that include:Baseband chip, First radio frequency transceiver chip, the second radio frequency transceiver chip and antenna;First radio frequency transceiver Chip and the second radio frequency transceiver chip cascade, the baseband chip connects respectively described first and penetrates Frequency transceiver chip and the second radio frequency transceiver chip, the first radio frequency transceiver chip and institute State the second radio frequency transceiver chip to couple with the antenna respectively;Wherein:
Baseband chip, is suitable to pre-set the first predetermined power;
Antenna, is suitable to the first reception signal transmission for coming from base station that will be received to the first radio-frequency receiving-transmitting Movement piece;
First radio frequency transceiver chip, is suitable to be amplified the described first reception signal and be mixed downwards, Obtain first M signal;
Baseband chip, is further adapted for the first M signal in response to detecting, according to the described first centre letter Number power and the first predetermined power, gain when amplifying to the second radio frequency transceiver chip power carries out Control;
Second radio frequency transceiver chip, is suitable to for the first M signal to be amplified to the first predetermined power, Obtain the first sending signal;
Antenna, is further adapted for being launched first sending signal.
2. the signal repeater amplifier system in wireless communication system as claimed in claim 1, it is characterised in that
Baseband chip, is further adapted for pre-setting the second predetermined power and the first predeterminated frequency;
Antenna, the second reception signal transmission for coming from user terminal for being further adapted for receiving is penetrated to second Frequency transceiver chip;
Second radio frequency transceiver chip, is further adapted for being mixed the described second reception signal downwards, obtains Second M signal;
Baseband chip, is further adapted for the second M signal in response to detecting, according to the described first default frequency Rate, is controlled, according in described second to the first radio frequency transceiver chip to the frequency of uppermixing Between signal power and the second predetermined power, gain when amplifying to the first radio frequency transceiver chip power It is controlled;
First radio frequency transceiver chip, is further adapted for for the second M signal being up-mixed to first and presets Frequency, the second predetermined power is amplified to, obtains the second sending signal;
Antenna, is further adapted for being launched second sending signal.
3. the signal repeater amplifier system in wireless communication system as claimed in claim 1 or 2, its feature exists In the antenna includes:First antenna and the second antenna, the first radio frequency transceiver chip and institute First antenna coupling is stated, the second radio frequency transceiver chip is coupled with second antenna;Wherein:
First antenna, is suitable to the first reception signal transmission for coming from base station that will be received to the first radio frequency Transceiver chip, is further adapted for being launched second sending signal;
Second antenna, is suitable to be launched first sending signal, be further adapted for receiving from In the second of user terminal signal transmission is received to the second radio frequency transceiver chip.
4. the signal repeater amplifier system in wireless communication system as claimed in claim 1, it is characterised in that
Baseband chip, is further adapted for pre-setting the first working frequency range, carries out in first working frequency range Search net, network selection and reside under preferred frequency.
5. the signal repeater amplifier system in the wireless communication system as described in claim 1 or 2 or 4, it is special Levy and be, the baseband chip includes:User configuring interface;
User configuring interface, be suitable to according to the instruction of user pre-set the first predetermined power, second preset Power, the first predeterminated frequency and/or the first working frequency range.
6. the signal repeater amplifier system in wireless communication system as claimed in claim 1, it is characterised in that The first radio frequency transceiver chip includes:Suitable for one or more wave filters of different systems;Institute State to described first reception signal be amplified including:According to the described first standard for receiving signal, adopt Branch amplification is carried out to the described first reception signal with the wave filter suitable for the standard.
7. the signal repeater amplifier system in wireless communication system as claimed in claim 1, it is characterised in that Also include:PMU, the PMU connects the baseband chip.
8. the signal in a kind of wireless communication system relays amplification method, it is characterised in that include:
Pre-set the first predetermined power;
In response to the first reception signal for coming from base station for receiving, by described first signal transmission is received To the first radio frequency transceiver chip;
Described first reception signal is amplified and is mixed downwards, obtain first M signal;
In response to the first M signal that baseband chip is detected, according to the power of the first M signal And first predetermined power, gain when amplifying to the second radio frequency transceiver chip power is controlled;
The first M signal is amplified to into the first predetermined power, the first sending signal is obtained;
First sending signal is launched.
9. the signal in wireless communication system as claimed in claim 8 relays amplification method, it is characterised in that Also include:
Pre-set the first working frequency range;
Carry out searching net, network selection and residing under preferred frequency in first working frequency range.
10. the signal in wireless communication system as claimed in claim 8 or 9 relays amplification method, and its feature exists In also including:First predetermined power and/or the first working frequency range are pre-set according to the instruction of user.
Signal relaying amplification method in 11. wireless communication systems as claimed in claim 8, it is characterised in that It is described to described first reception signal be amplified including:According to the described first standard for receiving signal, Branch amplification is carried out to the described first reception signal using the wave filter suitable for the standard.
Signal relaying amplification method in a kind of 12. wireless communication systems, it is characterised in that include:
Pre-set the second predetermined power and the first predeterminated frequency;
In response to the second reception signal for coming from user terminal for receiving, by described second signal is received Transmit to the second radio frequency transceiver chip;
Described second reception signal is mixed downwards, second M signal is obtained;
In response to the second M signal that baseband chip is detected, according to first predeterminated frequency, to institute State the first radio frequency transceiver chip to be controlled to the frequency of uppermixing, according to the second M signal Power and the second predetermined power, gain when amplifying to the first radio frequency transceiver chip power is controlled;
The second M signal is up-mixed to the first predeterminated frequency, is amplified to the second predetermined power, Obtain the second sending signal;
Second sending signal is launched.
Signal relaying amplification method in 13. wireless communication systems as claimed in claim 12, it is characterised in that Also include:Second predetermined power and/or the first predeterminated frequency are pre-set according to the instruction of user.
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