CN104467878B - Signal amplitude adjusting method and communication terminal - Google Patents
Signal amplitude adjusting method and communication terminal Download PDFInfo
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Abstract
A kind of signal amplitude adjusting method and communication terminal, the method include that the first communication terminal receives the signal of communication that the second communication terminal sends；The range value of the signal of communication that detection is received；In the case of lower limit of the range value less than or equal to the default amplitude range of first communication terminal, generate the first too low alarm signal, and send to second communication terminal the described first too low alarm signal, to cause that second communication terminal is sent to the range value of the signal of communication of first communication terminal according to the described first too low alarm signal regulation；In the case of higher limit of the range value more than or equal to the described default amplitude range of first communication terminal, generate the first too high alarm signal, and send to second communication terminal the described first too high alarm signal, to cause that second communication terminal is sent to the range value of the signal of communication of first communication terminal according to the described first too high alarm signal regulation.
Description
Technical field
The present invention relates to the communications field, more particularly to signal amplitude adjusting method and communication terminal.
Background technology
Signal of communication of the communication terminal generally to receiving（Referred to as receive signal）Amplitude range have certain requirement, width
Degree is too high or too low all to produce error code, for example, receive the too high easy generation intersymbol interference of signal amplitude, and amplitude is too low then easy
There is sample error.
However, due to transmission channel（Such as transmission cable or radio channel）The influence of the factors such as decay, communication terminal institute
The amplitude for receiving signal is likely to too low or too high phenomenon occur, and may cause error code.
By taking the communication terminal based on T1 standards as an example.T1 standards are by American National Standards Institute (ANSI)（American
National Standards Institute, abbreviation ANSI）The communication standard of recommendation, bit rate is 1.544Mb/s（Million ratios
Spy/second）, it is widely used in the transmission of sound, data, picture signal.
Communication terminal based on T1 standards generally supports four kinds of output attenuatoin patterns, i.e., output is communicated respectively in 772KHz
Signal attenuation 0dB（Decibel）, 7.5dB, 15dB, 22dB, use such as standard 100ohm（Ohm）The characteristic impedance communications cable
In the case of communication port, there is corresponding relation between the temporal amplitude value of frequency domain decay and output signal of communication, that is, decline
Subtract smaller, range value is higher.In the communication terminal based on T1 standards, the range value for reaching the signal of communication of communication terminal is too high
Or too low can all produce error code, it is therefore desirable to for different cable decay adjustment to exporting the decay of signal of communication, with online
Cable decline increase when reduce to export signal of communication decay, cable decay hour, increase to export signal of communication decay, with
So that the overall attenuation of signal of communication that receives of communication terminal is in the optimum range between 15dB to 22dB.
In the prior art, typically in the case where there is error code as the communication terminal of receiving terminal, by technical staff
Substantially estimated bit error reason, then attempt manually and adjust the sending signal amplitude as the communication terminal of transmitting terminal, believe reception
Number amplitude changes, until error code disappears.This mode needs the technical staff with professional knowledge to be estimated and performed a large amount of
Manual operations, and cannot accurately be adjusted.
The content of the invention
In view of this, the present invention proposes a kind of communication terminal for automatically adjusting communication signal amplitude and signal amplitude regulation side
Method.
To achieve these goals, in a first aspect, the present invention proposes a kind of communication terminal, including：Signal of communication connects
Unit is received, for receiving the signal of communication that the second communication terminal sends, detection unit, for detecting the signal of communication for receiving
Range value；Alarm Unit, in lower limit of the range value less than or equal to the default amplitude range of the communication terminal
In the case of, the first too low alarm signal is generated, and the described first too low alarm signal is sent to second communication terminal,
Believed with causing that second communication terminal is sent to the communication of the communication terminal according to the described first too low alarm signal regulation
Number range value；In higher limit of the range value more than or equal to the described default amplitude range of first communication terminal
In the case of, the first too high alarm signal is generated, and the described first too high alarm signal is sent to second communication terminal, with
So that second communication terminal is sent to the signal of communication of the communication terminal according to the described first too high alarm signal regulation
Range value.
With reference in a first aspect, in the first possible implementation method, the communication terminal also includes：First alarm receives single
Unit, for receiving the second too high alarm signal from second communication terminal, the second too high alarm signal represents institute
State the range value of the signal of communication that the second communication terminal is received from the communication terminal more than or equal to the described second communication eventually
The higher limit of the default amplitude range at end；And first adjustment unit, for will according to the described second too high alarm signal regulation
Send to the range value of the signal of communication of second communication terminal.
With reference in a first aspect, in second possible implementation method, the communication terminal also includes：Second alarm receives single
Unit, for receiving the second too low alarm signal from second communication terminal, the second too low alarm signal represents institute
State the range value of the signal of communication that the second communication terminal is received from the communication terminal less than or equal to the described second communication eventually
The lower limit of the default amplitude range at end；And second adjustment unit, for will according to the described second too low alarm signal regulation
Send to the range value of the signal of communication of second communication terminal.
With reference to first aspect and first and second kind of possible implementation method of first aspect, in the third possible implementation
In mode, the communication terminal is communicated based on T1 communication protocols with second communication terminal.
With reference to the third possible implementation method of first aspect, in the 4th kind of possible implementation method, the communication
Terminal priority treatment is from second communication terminal except the described second too high alarm signal and the second too low alarm letter
Other alarm signals outside number.
In second aspect, the present invention proposes a kind of signal amplitude adjusting method, including：First communication terminal receives second
The signal of communication that communication terminal sends；The range value of the signal of communication that detection is received；Institute is less than or equal in the range value
In the case of stating the lower limit of default amplitude range of the first communication terminal, the first too low alarm signal is generated, and by described the
One too low alarm signal is sent to second communication terminal, to cause second communication terminal according to the described first too low announcement
Alert Signal Regulation sends the range value of the signal of communication to first communication terminal；In the range value more than or equal to described
In the case of the higher limit of the described default amplitude range of the first communication terminal, the first too high alarm signal is generated, and will be described
First too high alarm signal is sent to second communication terminal, to cause second communication terminal too high according to described first
Alarm signal regulation is sent to the range value of the signal of communication of first communication terminal.
With reference to second aspect, in the first possible implementation method, the method also includes：First communication terminal connects
The second too high alarm signal from second communication terminal is received, the second too high alarm signal represents second communication
The range value of the signal of communication that terminal is received from first communication terminal is pre- more than or equal to second communication terminal
If the higher limit of amplitude range；And to be sent to second communication terminal according to the described second too high alarm signal regulation
The range value of signal of communication.
With reference to second aspect, in second possible implementation method, the method also includes：First communication terminal connects
The second too low alarm signal from second communication terminal is received, the second too low alarm signal represents second communication
The range value of the signal of communication that terminal is received from first communication terminal is pre- less than or equal to second communication terminal
If the lower limit of amplitude range；And to be sent to second communication terminal according to the described second too low alarm signal regulation
The range value of signal of communication.
With reference to second aspect and first and second kind of possible implementation method of second aspect, in the third possible implementation
In mode, first communication terminal is communicated based on T1 communication protocols with second communication terminal.
With reference to the third possible implementation method of second aspect, in the 4th kind of possible implementation method, described first
Communication terminal priority treatment is from second communication terminal except the described second too high alarm signal and the second too low announcement
Other alarm signals outside alert signal.
Communication terminal of the invention and signal amplitude adjusting method, the first communication terminal can be sent out according to the second communication terminal
The range value of the signal of communication for sending, compared with the higher limit and lower limit of the default amplitude range of the first communication terminal, generated
High or too low alarm signal is sent to the second communication terminal, so that the second communication terminal is according to leading to that comparative result regulation sends
The range value of signal is believed, to reduce the bit error rate that the first communication terminal receives signal of communication.Due to communication terminal of the invention and
Signal amplitude adjusting method is that the range value of the signal of communication received based on communication terminal is carried out, and without technical staff
Artificial operation, therefore the present invention can realize that the accurate of communication signal amplitude value automatically adjusts.
Brief description of the drawings
Comprising in the description and Figure of description and the specification of the part that constitutes specification together illustrates this
The exemplary embodiment of invention, feature and aspect, and for explaining principle of the invention.
Fig. 1 a show a kind of schematic diagram of communication terminal provided in an embodiment of the present invention, and Fig. 1 b show Fig. 1 a
The structure chart of a kind of possible implementation method of Alarm Unit in the communication terminal of illustrated embodiment；
Fig. 2 shows the schematic diagram of another communication terminal provided in an embodiment of the present invention；
Fig. 3 shows the schematic diagram of another communication terminal provided in an embodiment of the present invention；
Fig. 4 shows a kind of flow chart of signal amplitude adjusting method provided in an embodiment of the present invention；
Fig. 5 shows the flow chart of another signal amplitude adjusting method provided in an embodiment of the present invention；
Fig. 6 shows the flow chart of another signal amplitude adjusting method according to embodiments of the present invention；
Fig. 7 shows a kind of structured flowchart of signal amplitude adjustment equipment of the embodiment of the present invention.
Specific embodiment
Various exemplary embodiments of the invention, feature and aspect are described in detail below with reference to accompanying drawing.It is identical in accompanying drawing
Reference represent the same or analogous element of function.Although the various aspects of embodiment are shown in the drawings, remove
Non-specifically is pointed out, it is not necessary to accompanying drawing drawn to scale.
Special word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the present invention, numerous details are given in specific embodiment below.
It will be appreciated by those skilled in the art that without these details, the present invention can equally be implemented.In other example,
It is not described in detail for known method, means, element and circuit, in order to highlight purport of the invention.
Fig. 1 a show a kind of schematic diagram of communication terminal 100 provided in an embodiment of the present invention, including：
Signal of communication receiving unit 101, receives the signal of communication that the second communication terminal sends,
Detection unit 102, the range value of the signal of communication that detection is received；
Alarm Unit 103, in lower limit of the range value less than or equal to the default amplitude range of the communication terminal 100
In the case of value, the first too low alarm signal is generated, and the described first too low alarm signal is sent to the described second communication eventually
End, to cause that second communication terminal is sent to the communication of the communication terminal according to the described first too low alarm signal regulation
The range value of signal；In higher limit of the range value more than or equal to the described default amplitude range of the communication terminal 100
In the case of, the first too high alarm signal is generated, and the described first too high alarm signal is sent to second communication terminal,
Believed with causing that second communication terminal is sent to the communication of the communication terminal according to the described first too high alarm signal regulation
Number range value.
The range value of the signal of communication that the communication terminal of the present embodiment can send according to the second communication terminal, it is whole with communicating
The higher limit of the default amplitude range at end is compared with lower limit, is generated too high or too low alarm signal and was sent to for the second communication end
End, so that the range value of the signal of communication that the second communication terminal sends according to comparative result regulation, is connect with reducing communication terminal
Receive the bit error rate of signal of communication.Because the signal amplitude adjusting method of the present embodiment is that the communication received based on communication terminal is believed
Number range value carry out, and without the artificial operation of technical staff, therefore the present invention can realize communication signal amplitude value
Accurate automatically adjust.
In the present embodiment, detection unit 102 detects the range value of the signal of communication for receiving.In a kind of possible embodiment party
In formula, signal of communication can be pulse signal, and in this case, detection unit can detect the electricity of the high level of pulse signal
Pressure value, as the range value of signal of communication.The amplitude of high level and low level voltage difference as signal of communication can also be detected
Value.In the case where signal of communication is the signal of other forms（E.g. modulate sinusoidal signal etc.）, then communication letter can be detected
Number specify the cycle in peak as signal of communication range value.Can be detected using any means of the prior art
The range value, for example can be with certain frequency docking collection of letters number（Such as return pulse signal）Sampled, to be simulated
Magnitude of voltage, and export to Alarm Unit 103.
In the present embodiment, Alarm Unit 103 is less than or equal to the communication in the range value detected by detection unit 102
The lower limit of the default amplitude range of terminal 100, or more than or equal to the described default amplitude range of the communication terminal 100
Higher limit in the case of, that is to say, that the range value for detecting generates the first too low announcement respectively not in default amplitude range
Alert signal and the first too high alarm signal.In a kind of possible implementation method, " default amplitude range " can be communication terminal
The desired range value scope of the docking collection of letters number, such as in this scope, communication terminal is obtained in that good service behaviour.
Therefore " the default amplitude range " in the present embodiment can be depending on concrete application scene.
In a kind of possible implementation method, the first too low alarm signal can cause the second communication terminal increase hair
The range value of the signal of communication of the communication terminal is delivered to, the first too high alarm signal can cause that second communication terminal subtracts
It is small to send to the range value of the signal of communication of the communication terminal.Increase and the amplitude for reducing can be according to specific application scenarios
And select.
In a kind of possible implementation method, if the range value for detecting is more than the lower limit of default amplitude range and small
In the higher limit of default amplitude range, that is to say, that the range value for detecting then is considered as without adjustment in default amplitude range
The range value of signal of communication, Alarm Unit 103 can not generate alarm signal, after communication terminal can carry out other to the signal of communication
Continuous treatment.
Fig. 1 b show the structure chart of a kind of possible implementation method of Alarm Unit 103, and Alarm Unit 103 can be by comparing
Module 103_1, generation module 103_2 and sending module 103_3 are constituted, and wherein comparison module 103_1 is used to that communication will to be received
The range value of signal compares with the higher limit and lower limit of the default amplitude range of the communication terminal 100 respectively；Generation module
103_2 presets in range value according to the comparative result of comparison module 103_1 less than or equal to the described of the communication terminal 100
The first too low alarm signal is generated in the case of the lower limit of amplitude range, the communication terminal is more than or equal in range value
The first too high alarm signal is generated in the case of the higher limit of 100 described default amplitude range；Sending module 103_3 is used for will
First too high alarm signal or the first too low alarm signal are sent to the second communication terminal.
Fig. 2 shows the schematic diagram of another communication terminal 200 provided in an embodiment of the present invention, shown in Fig. 1
On the basis of embodiment, the communication terminal 200 also includes：
First alarm receiving unit 201, for receiving the second too high alarm signal from second communication terminal, institute
State the range value that the second too high alarm signal represents the signal of communication that second communication terminal is received from the communication terminal
More than or equal to the higher limit of the default amplitude range of second communication terminal；And
First adjustment unit 202, for being sent to the described second communication eventually according to the described second too high alarm signal regulation
The range value of the signal of communication at end.
In a kind of possible implementation method, the first adjustment unit 302 can reduce transmission according to the second too high alarm signal
To the amplitude of the signal of communication of second communication terminal, the amplitude of reduction can be selected according to specific application scenarios.It is logical
Cross the regulation of this reduction mode, enable to the signal of communication that the second communication terminal receives range value tend to fall into it is pre-
If in amplitude range.
Fig. 3 shows the schematic diagram of another communication terminal 300 provided in an embodiment of the present invention, shown in Fig. 1
On the basis of embodiment, the communication terminal 300 also includes：
Second alarm receiving unit 301, for receiving the second too low alarm signal from second communication terminal, institute
State the range value that the second too low alarm signal represents the signal of communication that second communication terminal is received from the communication terminal
Less than or equal to the lower limit of the default amplitude range of second communication terminal；And
Second adjustment unit 302, for be sent to the described second communication according to the described second too low alarm signal regulation
The range value of the signal of communication of terminal.
In a kind of possible implementation method, the second adjustment unit 302 can send according to the second too low alarm signal increase
To the amplitude of the signal of communication of second communication terminal, the amplitude of increase can be selected according to specific application scenarios.It is logical
Cross the regulation of this increase mode, enable to the signal of communication that the second communication terminal receives range value tend to fall into it is pre-
If in amplitude range.
It should be understood that the present invention also includes that the part in Fig. 2 and Fig. 3 is combined the embodiment of composition, i.e., in this embodiment,
Communication terminal may include signal of communication receiving unit, detection unit, Alarm Unit, first, second alarm receiving unit, Yi Ji
First, the second adjustment unit, so as to alarm signal can be generated and sent according to the range value of the signal of communication for receiving, also can
The range value of enough signals of communication transmitted according to the alarm signal for receiving regulation.Additionally, this hair also include comprising first, the
Another embodiment of the communication terminal of two alarm receiving units and first, second adjustment unit.
In a kind of possible implementation method, communication terminal may also include deposit unit, the width for depositing signal of communication
Angle value and above-mentioned higher limit and the comparative result of lower limit, Alarm Unit 103 can read the comparative result in deposit unit, and
First too low alarm signal or the first too high alarm signal are generated according to the comparative result.
In a kind of possible implementation method, the magnitude of voltage of the pulse high level that can be measured for each is all carried out
Above-mentioned alarm.However, it is also possible to the pulse signal of continuous predetermined quantity high level magnitude of voltage not in default amplitude model
In the case of in enclosing, alarm signal is just generated.For example, predetermined number can continuously be read from deposit unit in Alarm Unit
In the case of amount, instruction reception signal range value comparative result not in default amplitude range, corresponding announcement is just generated
Alert signal, causes unnecessary regulation to act with the abnormal signal for avoiding burst.
Fig. 4 shows a kind of flow chart of signal amplitude adjusting method provided in an embodiment of the present invention, including：
401, the first communication terminal receives the signal of communication that the second communication terminal sends；
402, the range value of the signal of communication that detection is received；
403, in the feelings of lower limit of the range value less than or equal to the default amplitude range of first communication terminal
Under condition, the first too low alarm signal is generated, and the described first too low alarm signal is sent to second communication terminal, so that
Obtain second communication terminal and sent to the communication of first communication terminal according to the described first too low alarm signal regulation and believe
Number range value；
404, in higher limit of the range value more than or equal to the described default amplitude range of first communication terminal
In the case of, the first too high alarm signal is generated, and the described first too high alarm signal is sent to second communication terminal,
To cause that second communication terminal sends leading to first communication terminal according to the described first too high alarm signal regulation
Believe the range value of signal.
The signal amplitude adjusting method of the present embodiment, the communication that the first communication terminal can send according to the second communication terminal
The range value of signal, compared with the higher limit and lower limit of the default amplitude range of the first communication terminal, generates too high or too low
Alarm signal is sent to the second communication terminal, so that the second communication terminal is according to the signal of communication of comparative result regulation transmission
Range value, to reduce the bit error rate that the first communication terminal receives signal of communication.Due to the signal amplitude adjusting method of the present embodiment
It is that the range value of the signal of communication received based on communication terminal is carried out, and without the artificial operation of technical staff, therefore
The present invention can realize that the accurate of communication signal amplitude value automatically adjusts.
In a kind of possible implementation method, signal of communication can be the low level pulse signal with high level sum,
In this case, the magnitude of voltage of the high level of pulse signal can be detected in step 402, as the amplitude of signal of communication
Value.The range value of high level and low level voltage difference as signal of communication can also be detected.It is other forms in signal of communication
Signal in the case of, e.g. modulate sinusoidal signal etc., then can detect that peak of the signal of communication within the cycle of specifying is made
It is the range value of signal of communication.The range value can be detected using any means of the prior art, for example can be with certain
Frequency docking collect mail number（Such as return pulse signal）Sampled, to obtain analog voltage.
In a kind of possible implementation method, the predetermined amplitude scope can be the expectation of the communication terminal docking collection of letters number
Range value scope, such as in this scope, the communication terminal is obtained in that good service behaviour.Therefore in the present embodiment
The predetermined amplitude scope can be depending on concrete application scene.
In a kind of possible implementation method, the first too low alarm signal can cause the second communication terminal increase hair
The range value of the signal of communication of the communication terminal is delivered to, the first too high alarm signal can cause that second communication terminal subtracts
It is small to send to the range value of the signal of communication of the communication terminal.Increase and the amplitude for reducing can be according to specific application scenarios
And select.
In a kind of possible implementation method, if the range value for detecting is more than the lower limit of default amplitude range and small
In the higher limit of default amplitude range, then being considered as need not adjust the range value of signal of communication, can not generate alarm signal, and communication is eventually
End can carry out other subsequent treatments to the signal of communication.
Fig. 5 shows the flow chart of another signal amplitude adjusting method provided in an embodiment of the present invention.Wherein, in Fig. 4
On the basis of shown method, the method also includes：
405, first communication terminal receives the second too high alarm signal from second communication terminal, and described the
Two too high alarm signals represent the range value of the signal of communication that second communication terminal is received from first communication terminal
More than or equal to the higher limit of the default amplitude range of second communication terminal；And
406, to be sent to the signal of communication of second communication terminal according to the described second too high alarm signal regulation
Range value.
In a kind of possible implementation method, can be reduced according to the second too high alarm signal send to institute in a step 406
The amplitude of the signal of communication of the second communication terminal is stated, the amplitude of reduction can be selected according to specific application scenarios.By this
The regulation of kind of reduction mode, enables to the range value of the signal of communication that the second communication terminal receives to tend to fall into default width
In the range of value.
In a kind of possible implementation method, step 405-406 can simultaneously be carried out with step 401-404, it is also possible in step
Carried out before or after rapid 401-404.
Fig. 6 shows the flow chart of another signal amplitude adjusting method provided in an embodiment of the present invention.Wherein, in Fig. 4
On the basis of shown method, the method also includes：
407, first communication terminal receives the second too low alarm signal from second communication terminal, and described the
Two too low alarm signals represent the range value of the signal of communication that second communication terminal is received from first communication terminal
Less than or equal to the lower limit of the default amplitude range of second communication terminal；
408, to be sent to the signal of communication of second communication terminal according to the described second too low alarm signal regulation
Range value.
In a kind of possible implementation method, can be sent to institute according to the second too low alarm signal increase in a step 408
The amplitude of the signal of communication of the second communication terminal is stated, the amplitude of increase can be selected according to specific application scenarios.By this
The regulation of kind of increase mode, enables to the range value of the signal of communication that the second communication terminal receives to tend to fall into default width
In the range of value.
In a kind of possible implementation method, step 407-408 can simultaneously be carried out with step 401-404, it is also possible in step
Carried out before or after rapid 401-404.
It should be understood that the present invention also includes being combined the embodiment of Fig. 5 and Fig. 6 the embodiment of composition, i.e., the embodiment can
Including step 401-408, wherein not limiting the execution sequence of step 401-404,405-406 and 407-408 three.This
Outward, the present invention also includes another embodiment comprising step 405-406 and 407-408, wherein to step 405-406 and 407-
408 both execution sequences are not limited.
In a kind of possible implementation method, the method may also include the range value and above-mentioned higher limit of deposit signal of communication
The step of with the comparative result of lower limit, in step 403 and 404, deposited comparative result can be read, and according to described
Comparative result generates the first too low alarm signal and the first too high alarm signal.
In a kind of possible implementation method, the magnitude of voltage of the pulse high level that can be measured for each is all carried out
Above-mentioned alarm.However, it is also possible to the pulse signal of continuous predetermined quantity high level magnitude of voltage not in default amplitude model
In the case of in enclosing, alarm signal is just generated.For example, deposited pre- can continuously be read in step 403 and 404
In the case of fixed number amount, instruction reception signal range value judged result not in default amplitude range, just generate corresponding
Alarm signal, with avoid burst abnormal signal cause unnecessary regulation to act.
For example, on the basis of method shown in above-mentioned Fig. 4-6, it is based on between the first communication terminal and the second communication terminal
T1 standard traffics are as an example, illustrate signal amplitude adjusting method provided in an embodiment of the present invention.
Described first logical communication terminal receives the signal of communication from the second communication terminal, and detects the communication letter for receiving
Number range value, it is assumed that the default amplitude range of first communication terminal be by the second communication terminal output signal of communication
The range value scope that range value decay 15dB~22dB is obtained.
First communication terminal is upper more than or equal to the default amplitude range of the first communication terminal in the judgement range value
In the case of limit value, too high alarm signal is generated, and the too high alarm signal is sent to second communication terminal.Second
Communication terminal receives the too high alarm signal, and by output attenuatoin pattern from original mode tuning be the bigger mould of attenuation
Formula.First communication terminal is judging the range value less than or equal to the described default amplitude range of first communication terminal
In the case of lower limit, too low alarm signal is generated, and the too low alarm signal is sent to second communication terminal, the
Two communication terminals receive the too low alarm signal, and by output attenuatoin pattern from original mode tuning be the smaller mould of attenuation
Formula.
In T1 standards, the output attenuatoin pattern of usual signal of communication includes 0dB, 7.5dB, and 15dB and tetra- kinds of 22dB is defeated
When going out evanescent mode for 0dB, attenuation is minimum；When output attenuatoin pattern is 22dB, attenuation is maximum.It is assumed herein that the second communication
The original output attenuatoin pattern of terminal is 7.5dB, if the second communication terminal receives the too high alarm signal, by output attenuatoin mould
Formula is adjusted to 15dB from 7.5dB, to reduce the amplitude of output signal of communication；If the second communication terminal receives the too low alarm letter
Number, then output attenuatoin pattern is adjusted to 0dB from 7.5dB, to increase the amplitude of output signal of communication.
Specifically, can increase on the basis of original alarm generation module in the communication terminal based on T1 standards and be directed to width
The alarm function module of angle value generates too high and too low alarm signal.In the communication terminal based on T1 standards, if
In one communication terminal, there is such as alarm indication signal（Alarm Indication Signal, abbreviation AIS）Alarm or signal
Lose（Loss of Signal, abbreviation LOS）Other are alerted for alarm etc., then can send other alarms to the second communication terminal.
The frame format of too high or too low alarm signal can be defined as needed, as long as not being with the repetition of existing alarm signal frame format
Can.
Further, existing other alarms with T1 standards of too high and too low alarm signal can also be arranged as required to
Between priority or transmission sequentially.For example, the priority of existing other alarms can be disposed higher than into too high and too low announcement
Alert signal, that is to say, that in the case of there are other alarms such as ais alarm or LOS alarms in the first communication terminal, can be preferential
Other alarm signals are sent, and in the case of in the absence of other alarms, retransmits too high or too low alarm signal, correspondingly,
Second communication terminal also can other announcements in addition to too high and low alarm signal of priority treatment from first communication terminal
Alert signal, such as in the case where other alarm signals are received, other are alerted priority treatment, and are not receiving other alarms
In the case of signal, it is adjusted further according to too high or too low alarm signal.
Although being described as receiving terminal as transmitting terminal, the second communication terminal using the first communication terminal above, this
Art personnel should be understood that the second communication terminal also can as transmitting terminal, the first communication terminal also as receiving terminal, and
First, second communication terminal can respectively simultaneously as transmitting terminal and receiving terminal, that is to say, that first, second communication terminal can be with
Structure there is Fig. 1, Fig. 2, Fig. 3 of the present invention and its combine simultaneously obtained by.Or even the first communication terminal and the second communication terminal
Can be identical equipment.
Although being illustrated by taking the communication system based on T1 standards as an example above, it will be understood by those skilled in the art that this
Invention is not limited to use above field, but can apply to the communication system based on other communication standards.
Fig. 7 shows a kind of structured flowchart of signal amplitude adjustment equipment of the embodiment of the present invention, for realizing the present invention
Signal amplitude adjusting method shown in Fig. 4-6；The signal amplitude adjustment equipment 700 include processor 710, communication interface 720,
Memory 730 and bus 740.Wherein, processor 710, communication interface 720 and memory 730 complete phase by bus 740
Communication between mutually.
Communication interface 720 is used to be communicated with the second communication terminal, such as communication terminal of support T1 standards.
Memory 730 is used to deposit program.Specifically, program can include program code, and described program code includes meter
Calculation machine operational order.
Processor 710 can be general processor, including central processing unit（Central Processing Unit, referred to as
CPU）, network processing unit（Network Processor, abbreviation NP）Deng；Can also be digital signal processor（DSP）, it is special
Integrated circuit（ASIC）, ready-made programmable gate array（FPGA）Or other PLDs, discrete gate or transistor
Logical device, discrete hardware components.
Memory 730 may include random access memory（RAM, Random Access Memory）, it is also possible to also wrap
Include nonvolatile memory (non-volatile memory), for example, at least one magnetic disk storage.Memory 730 can also
It is memory array.
Processor 710 is used to perform the program deposited in the memory 730, performs signal provided in an embodiment of the present invention
Amplitude adjusted method, methods described includes：
Receive the signal of communication of the second communication terminal transmission；
The range value of the signal of communication that detection is received；
In lower limit of the range value less than or equal to the default amplitude range of the signal amplitude adjustment equipment 700
In the case of, the first too low alarm signal is generated, and the described first too low alarm signal is sent to second communication terminal, with
So that second communication terminal is sent to the communication of first communication terminal according to the described first too low alarm signal regulation
The range value of signal；
In the upper limit of the range value more than or equal to the described default amplitude range of the signal amplitude adjustment equipment 700
In the case of value, the first too high alarm signal is generated, and the described first too high alarm signal is sent to the described second communication eventually
End, to cause that second communication terminal is sent to first communication terminal according to the described first too high alarm signal regulation
The range value of signal of communication.
The memory 730 is additionally operable to preserve the default amplitude range of the signal amplitude adjustment equipment 700；
Methods described can also include：
The second too high alarm signal from second communication terminal is received, the second too high alarm signal represents institute
The range value for stating the signal of communication that the second communication terminal is received from first communication terminal leads to more than or equal to described second
Believe the higher limit of the default amplitude range of terminal；And to be sent to described second logical according to the described second too high alarm signal regulation
Believe the range value of the signal of communication of terminal；Or,
The second too low alarm signal from second communication terminal is received, the second too low alarm signal represents institute
The range value for stating the signal of communication that the second communication terminal is received from first communication terminal leads to less than or equal to described second
Believe the lower limit of the default amplitude range of terminal；And to be sent to described second logical according to the described second too low alarm signal regulation
Believe the range value of the signal of communication of terminal.
Signal amplitude adjustment equipment described in the present embodiment 700 can be any communication terminal in Fig. 1 a to Fig. 3 of the present invention.
Those of ordinary skill in the art are it is to be appreciated that each exemplary cell and algorithm in embodiment described herein
Step, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions actually with hardware also
Being software form realizes, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel can be directed to
Specific application selects different methods to realize described function, but this realization it is not considered that exceeding model of the invention
Enclose.
If realizing the function in the form of using computer software and as independent production marketing or when using,
To a certain extent it is believed that all or part of technical scheme（The part for for example being contributed to prior art）It is
Embody in form of a computer software product.The computer software product is generally stored inside the storage medium of embodied on computer readable
In, including some instructions are used to so that computer equipment（Can be personal computer, server or network equipment etc.）Perform
The all or part of step of various embodiments of the present invention method.And foregoing storage medium includes USB flash disk, mobile hard disk, read-only storage
Device（ROM, Read-Only Memory）, random access memory（RAM, Random Access Memory）, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of communication terminal, it is characterised in that including：
Signal of communication receiving unit, for receiving the signal of communication that the second communication terminal sends；
Detection unit, the range value for detecting the signal of communication for receiving；
Alarm Unit, for the feelings in lower limit of the range value less than or equal to the default amplitude range of the communication terminal
Under condition, the first too low alarm signal is generated, and the described first too low alarm signal is sent to second communication terminal, so that
Second communication terminal is obtained to be sent to the signal of communication of the communication terminal according to the described first too low alarm signal regulation
Range value；In the case of higher limit of the range value more than or equal to the described default amplitude range of the communication terminal,
The first too high alarm signal is generated, and the described first too high alarm signal is sent to second communication terminal, to cause institute
The second communication terminal is stated to be sent to the amplitude of the signal of communication of the communication terminal according to the described first too high alarm signal regulation
Value.
2. communication terminal according to claim 1, it is characterised in that also include：
First alarm receiving unit, for receiving the second too high alarm signal from second communication terminal, described second
Too high alarm signal represent the signal of communication that second communication terminal is received from the communication terminal range value be more than or
Equal to the higher limit of the default amplitude range of second communication terminal；And
First adjustment unit, for send leading to second communication terminal according to the described second too high alarm signal regulation
Believe the range value of signal.
3. communication terminal according to claim 1, it is characterised in that also include：
Second alarm receiving unit, for receiving the second too low alarm signal from second communication terminal, described second
Too low alarm signal represent the signal of communication that second communication terminal is received from the communication terminal range value be less than or
Equal to the lower limit of the default amplitude range of second communication terminal；And
Second adjustment unit, for send leading to second communication terminal according to the described second too low alarm signal regulation
Believe the range value of signal.
4. communication terminal as claimed in any of claims 1 to 3, it is characterised in that
The communication terminal is communicated based on T1 communication protocols with second communication terminal.
5. a kind of signal amplitude adjusting method, it is characterised in that including：
First communication terminal receives the signal of communication that the second communication terminal sends；
The range value of the signal of communication that detection is received；
In the case of lower limit of the range value less than or equal to the default amplitude range of first communication terminal, generation
First too low alarm signal, and the described first too low alarm signal is sent to second communication terminal, to cause described the
Two communication terminals are sent to the amplitude of the signal of communication of first communication terminal according to the described first too low alarm signal regulation
Value；
In the case of higher limit of the range value more than or equal to the described default amplitude range of first communication terminal,
The first too high alarm signal is generated, and the described first too high alarm signal is sent to second communication terminal, to cause institute
The second communication terminal is stated to be sent to the signal of communication of first communication terminal according to the described first too high alarm signal regulation
Range value.
6. method according to claim 5, it is characterised in that also include：
First communication terminal receives the second too high alarm signal from second communication terminal, the second too high announcement
Alert signal represents that the range value of the signal of communication that second communication terminal is received from first communication terminal is more than or waits
In the higher limit of the default amplitude range of second communication terminal；And
The range value of the signal of communication to second communication terminal is sent according to the described second too high alarm signal regulation.
7. method according to claim 6, it is characterised in that methods described also includes：
First communication terminal receives the second too low alarm signal from second communication terminal, the second too low announcement
Alert signal represents that the range value of the signal of communication that second communication terminal is received from first communication terminal is less than or waits
In the lower limit of the default amplitude range of second communication terminal；And
The range value of the signal of communication to second communication terminal is sent according to the described second too low alarm signal regulation.
8. method according to claim 7, it is characterised in that
The first communication terminal priority treatment is from second communication terminal except the described second too high alarm signal and institute
State other alarm signals outside the second too low alarm signal.
9. method according to claim 5, it is characterised in that methods described also includes：
First communication terminal receives the second too low alarm signal from second communication terminal, the second too low announcement
Alert signal represents that the range value of the signal of communication that second communication terminal is received from first communication terminal is less than or waits
In the lower limit of the default amplitude range of second communication terminal；And
The range value of the signal of communication to second communication terminal is sent according to the described second too low alarm signal regulation.
10. the method according to any one of claim 5 to 9, it is characterised in that
First communication terminal is communicated based on T1 communication protocols with second communication terminal.
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| CN201310423212.6A CN104467878B (en) | 2013-09-16 | 2013-09-16 | Signal amplitude adjusting method and communication terminal |
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| CN201310423212.6A CN104467878B (en) | 2013-09-16 | 2013-09-16 | Signal amplitude adjusting method and communication terminal |
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| CN104467878B true CN104467878B (en) | 2017-06-16 |
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| CN110346755B (en) * | 2019-07-10 | 2023-06-27 | 四川中电昆辰科技有限公司 | Signal amplitude detection device and method and arrival time correction method thereof |
| CN110649931B (en) * | 2019-10-18 | 2021-06-08 | 天津津航计算技术研究所 | Anti-attenuation discrete signal sending device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006130465A2 (en) * | 2005-06-01 | 2006-12-07 | Motorola, Inc. | System and method for enlarging amplitude minima in a linear modulation signal |
| CN101409913A (en) * | 2007-10-09 | 2009-04-15 | 株式会社Ntt都科摩 | Radio communication system, radio communication method and base station |
| CN102111375A (en) * | 2009-12-23 | 2011-06-29 | 富士通株式会社 | Method and device for eliminating co-channel interference in quadrature amplitude modulation signals |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006130465A2 (en) * | 2005-06-01 | 2006-12-07 | Motorola, Inc. | System and method for enlarging amplitude minima in a linear modulation signal |
| CN101409913A (en) * | 2007-10-09 | 2009-04-15 | 株式会社Ntt都科摩 | Radio communication system, radio communication method and base station |
| CN102111375A (en) * | 2009-12-23 | 2011-06-29 | 富士通株式会社 | Method and device for eliminating co-channel interference in quadrature amplitude modulation signals |
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