CN103346818B - HFC gain adjustment method, HFC transponder and HFC response system - Google Patents
HFC gain adjustment method, HFC transponder and HFC response system Download PDFInfo
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- CN103346818B CN103346818B CN201310291544.3A CN201310291544A CN103346818B CN 103346818 B CN103346818 B CN 103346818B CN 201310291544 A CN201310291544 A CN 201310291544A CN 103346818 B CN103346818 B CN 103346818B
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Abstract
The invention discloses an HFC gain adjustment method, an HFC transponder and an HFC response system. The HFC gain adjustment method comprises the following steps of detecting signal values of a ray machine/an amplifier, comparing the signal values with corresponding preset range values, determining a gain reference value which enables the signal values of the ray machine/the amplifier to be within the corresponding preset range, and conducting adjustment on gain of the ray machine/the amplifier according to the gain reference value. By means of detection of the signal values of the ray machine/the amplifier and comparison between the detected signal values and the corresponding preset range values, the gain reference value which enables the signal values of the ray machine/the amplifier to be within the preset range can be determined according a comparison result, gain of the ray machine/the amplifier can be adjusted according to a gain reference value, automatic adjustment of gain of the ray machine/amplifier can be achieved through the gain reference value, and the output stability of the ray machine/the amplifier is guaranteed.
Description
Technical field
The present invention relates to hfc plant field, particularly a kind of HFC gain adjusting method, a kind of HFC transponder and a kind of HFC answering system.
Background technology
At current cable television system HFC (Hybrid Fiber-Coaxial, hybrid fiber coax) in, after normally the cable TV RF radio frequency light signal received being converted to the signal of telecommunication by ray machine, export to TV to play, or by amplifier, the decay in transmitting procedure is compensated, signal exports to TV and plays after amplifying.And current amplifier/ray machine, there is fixed gain, that is, the value of amplifier/ray machine output signal, be actually the value of received input signal and this fixed gain and value.Because amplifier/ray machine is fixed gain, therefore, when input signal is stable, output signal also can keep stable.But, in the hfc plant of reality, the change of ambient temperature, supply power voltage all likely causes the change of input signal, if input signal changes suddenly or changes greatly, cause input signal not in normal range (NR), output signal will produce distortion, directly affects the reception of TV, and, when amplifier/ray machine cascade, the gain of next stage will be affected, thus produce larger distortion, affect the stability that TV exports.
Summary of the invention
Based on this, for above-mentioned problems of the prior art, the object of the present invention is to provide a kind of HFC gain adjusting method, a kind of HFC transponder and a kind of HFC answering system, it can adjust automatically to the gain of the amplifier/ray machine of hfc plant, keeps the stability that TV exports.
For achieving the above object, the present invention by the following technical solutions:
A kind of HFC gain adjusting method, comprises step:
Detect the signal value of ray machine/amplifier, described signal value comprises any one or combination in any in output signal power value, Information Channel Index, ray machine power;
Described signal value is compared with corresponding predetermined range value, determines the gain reference value making the signal value of ray machine/amplifier in the preset range of described correspondence, and adjust according to the gain of this gain reference value to described ray machine/amplifier.
A kind of HFC transponder, comprise detection module and gain regulation module, described detection module comprises signal detection module:
Described signal detection module, for detecting the signal value of ray machine/amplifier, described signal value comprises any one or combination in any in output signal power value, Information Channel Index, ray machine power;
Described gain regulation module, for adjusting according to the gain of gain reference value to described ray machine/amplifier, described gain reference value is after comparing described signal value and corresponding predetermined range value, determines to make the yield value of the signal value of ray machine/amplifier in described corresponding preset range.
A kind of HFC answering system, comprise HFC transponder and service end, described HFC transponder comprises detection module, gain regulation module and signal dispatcher module, and described detection module comprises signal detection module:
Described service end, detects instruction for sending to described HFC transponder;
Described signal dispatcher module, for receiving described detection instruction, and sends this detection instruction to described detection module;
Described signal detection module, for the signal value according to described detection command detection ray machine/amplifier, described signal value comprises any one or combination in any in output signal power value, Information Channel Index, ray machine power;
Described gain regulation module, for adjusting according to the gain of gain reference value to described ray machine/amplifier, described gain reference value is after comparing described signal value and corresponding predetermined range value, determines to make the yield value of the signal value of ray machine/amplifier in described corresponding preset range.
According to the scheme in the present embodiment, it is by detecting the signal value of ray machine/amplifier, and detected signal value is compared with corresponding predetermined range value, determine to make the signal value of ray machine/amplifier can gain reference value in this preset range according to comparative result, and adjust according to the gain of this gain reference value to ray machine/amplifier, thus the automatic adjustment of the gain to ray machine/amplifier can be realized accordingly, ensure the stability that ray machine/amplifier exports.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of HFC gain adjusting method embodiment one of the present invention;
Fig. 2 is the schematic flow sheet of HFC gain adjusting method embodiment two of the present invention;
Fig. 3 is the structural representation of HFC transponder embodiment one of the present invention;
Fig. 4 is the structural representation of HFC transponder embodiment two of the present invention;
Fig. 5 is the structural representation of HFC transponder embodiment three of the present invention;
Fig. 6 is the structural representation of HFC transponder embodiment four of the present invention;
Fig. 7 is the structural representation of HFC transponder embodiment five of the present invention;
Fig. 8 is the structural representation of HFC answering system embodiment one of the present invention;
Fig. 9 is the structural representation of HFC answering system embodiment two of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not in order to limit the present invention.
In following explanation in conjunction with the embodiments, be first the embodiment of HFC gain adjusting method of the present invention is set forth, then set forth for the embodiment of HFC transponder of the present invention, HFC answering system.
Embodiment one
The schematic flow sheet of HFC gain adjusting method embodiment one of the present invention has been shown in Fig. 1.As shown in Figure 1, the HFC gain adjusting method in the present embodiment one comprises step:
Step S101: the signal value detecting ray machine/amplifier;
Step S102: compared with corresponding predetermined range value by described signal value, determines the gain reference value making the signal value of ray machine/amplifier in the preset range of described correspondence;
Step S103: adjust according to the gain of this gain reference value to described ray machine/amplifier.
According to the scheme in the present embodiment, it is by detecting the signal value of ray machine/amplifier, and detected signal value is compared with corresponding predetermined range value, determine to make the signal value of ray machine/amplifier can gain reference value in this preset range according to comparative result, and adjust according to the gain of this gain reference value to ray machine/amplifier, thus the automatic adjustment of the gain to ray machine/amplifier can be realized accordingly, ensure the stability that ray machine/amplifier exports.
Wherein, here signal value, can set based on actual needs, can be such as any one in the middle of the input signal power value of ray machine/amplifier, output signal power value, Information Channel Index, ray machine power etc., also can be the combination in any in the middle of these indexs such as input signal power value, output signal power value, Information Channel Index, ray machine power.
Take signal value as input signal power value be example, when determining corresponding gain reference value, concrete mode can be: the output power value of setting is deducted this input signal power value detected, thus obtain the yield value that this ray machine/amplifier should possess, thus corresponding gain reference value can be determined according to this yield value.
Take signal value as output signal power value be example, when determining corresponding gain reference value, concrete mode can be: the output power value of setting is deducted this output signal power value detected, thus obtain the relative changing value of the gain of ray machine/amplifier, thus corresponding gain reference value can be determined according to this relative changing value.
Take signal value as Information Channel Index be example, to the detection of Information Channel Index, can be understood as the EOC be connected with ray machine/amplifier (Ethernet over COAX, ether data pass through co-axial cables transport) equipment, the HFC net copper uranium ethernet devices such as such as CABLE MODEM, MOCA, HOMEPLUS, carry out detecting obtained Information Channel Index, because Information Channel Index is directly proportional to input signal power, thus can judge based on this Information Channel Index.When determining corresponding gain reference value, concrete mode can be: based on the relation between input signal power value and Information Channel Index, determine input signal power value, and the output power value of setting is deducted this input signal power value, thus obtain the yield value that this ray machine/amplifier should possess, thus corresponding gain reference value can be determined according to this yield value.
Take signal value as ray machine power be example, because ray machine power is directly proportional to output signal power, thus can judge based on ray machine power.When determining corresponding gain reference value, concrete mode can be: based on the relation between ray machine power and output signal power value, determine output signal power value, the output power value of setting is deducted this output signal power value detected, thus obtain the relative changing value of the gain of ray machine/amplifier, thus corresponding gain reference value can be determined according to this relative changing value.
Wherein, the above-mentioned gain reference value determined, can do different settings based on actual needs.Wherein in a kind of implementation, this gain reference value can be the yield value that ray machine/amplifier should possess, and namely input signal power value and this gain reference value sum equal the output power value that sets.In another implementation, this gain reference value can be the relative changing value of the gain of ray machine/amplifier, i.e. the fixed gain of input signal power value, ray machine/amplifier and this relative changing value's sum, should equal the output power value set.In the scheme of the embodiment of the present invention, not to this gain reference value specifically which kind value be specifically limited.
After obtaining above-mentioned gain reference value, can adjust based on the gain of this gain reference value to ray machine/amplifier, to make the output signal value of ray machine/amplifier can in the preset range of correspondence.Because the gain module of ray machine/amplifier has generally comprised two parts: gain section and adjustable damping part, the yield value that gain section is corresponding is fixing, adjustable damping part passes through pad value corresponding to voltage, therefore, when adjusting the gain of ray machine/amplifier, can be the value determining corresponding control voltage based on above-mentioned gain reference value, thus by realizing the adjustment of the gain to ray machine/amplifier to the adjustment of control voltage.
When specifically adjusting, when gain reference value is the relative changing value of the gain of ray machine/amplifier, the relative changing value of control voltage can be calculated according to the relative changing value of this gain, by the relative changing value of control voltage, control voltage is adjusted, thus realize the adjustment to the gain of ray machine/amplifier.Gain reference value be ray machine/amplifier should possess yield value time, directly can calculate the value of control voltage according to this yield value, and then by realizing the adjustment to the gain of ray machine/amplifier to the adjustment of control voltage.The corresponding relation of gain and control voltage, difference based on practical application and setting can have different settings, such as rise in value larger, the value of corresponding control voltage is also larger, or gain is larger, the value of corresponding control voltage is less, in the present invention program, does not do concrete setting to the corresponding relation of gain and control voltage.
Embodiment two
The schematic flow sheet of HFC gain adjusting method embodiment two of the present invention has been shown in Fig. 2.In the scheme of the present embodiment two, be mainly with the difference of above-described embodiment one, first the magnitude of voltage of ray machine/amplifier detected in the present embodiment.
As shown in Figure 2, the HFC gain adjusting method in the present embodiment two comprises step:
Step S201: detect the magnitude of voltage of ray machine/amplifier, and judge this magnitude of voltage whether in predetermined normal voltage range, if so, enter step S202;
Step S202: the signal value detecting ray machine/amplifier;
Step S203: compared with corresponding predetermined range value by described signal value, determines the gain reference value making the signal value of ray machine/amplifier in the preset range of described correspondence;
Step S204: adjust according to the gain of this gain reference value to described ray machine/amplifier.
According to the scheme in the present embodiment, it first detects the magnitude of voltage of ray machine/amplifier, and when the magnitude of voltage of ray machine/amplifier is in predetermined normal voltage range, just further the signal value of ray machine/amplifier is detected, and detected signal value is compared with corresponding predetermined range value, determine to make the signal value of ray machine/amplifier can gain reference value in this preset range according to comparative result, and adjust according to the gain of this gain reference value to ray machine/amplifier, thus realize the automatic adjustment of the gain to ray machine/amplifier accordingly, ensure the stability that ray machine/amplifier exports.When the voltage of ray machine/amplifier is not in default normal voltage range, illustrate that this ray machine/amplifier goes wrong, needs to change, the gain of ray machine/amplifier is adjusted and no longer possesses in all senses, thus further increase the efficiency of HFC gain adjusting method.
The specific implementation that signal value in the present embodiment, gain reference value and the gain to ray machine/amplifier adjust, can be identical with the method in the invention described above embodiment one, will not repeat in detail at this.
According to the HFC gain adjusting method of the invention described above, the present invention also provides a kind of HFC transponder, and each embodiment below with regard to HFC transponder of the present invention carries out illustrated in greater detail.
Embodiment one
The structural representation of HFC transponder embodiment one of the present invention has been shown in Fig. 3.As shown in Figure 3, the HFC transponder in the present embodiment one includes detection module 201 and gain regulation module 202, and this detection module includes signal detection module 2011, wherein:
This signal detection module 2011, for detecting the signal value of ray machine/amplifier;
This gain regulation module 202, for adjusting according to the gain of gain reference value to described ray machine/amplifier, described gain reference value is after described signal value and corresponding predetermined range value being compared, determines to make the yield value of the signal value of ray machine/amplifier in described corresponding preset range.
According to the scheme in the present embodiment, after signal detection module 2011 detects the signal value of ray machine/amplifier, by HFC transponder itself or external equipment, this signal value is compared with corresponding predetermined range value, determine to make the gain reference value of the signal value of ray machine/amplifier in the preset range of this correspondence, then gain regulation module 202 adjusts according to the gain of this gain reference value to ray machine/amplifier, make the signal value of ray machine/amplifier in the preset range of correspondence, thus the automatic adjustment of the gain to ray machine/amplifier can be realized accordingly, to ensure the stable output of ray machine/amplifier.
Wherein, here signal value, can set based on actual needs, can be such as any one in the middle of the input signal power value of ray machine/amplifier, output signal power value, Information Channel Index, ray machine power etc., also can be the combination in any in the middle of these indexs such as input signal power value, output signal power value, Information Channel Index, ray machine power.
Accordingly, as shown in Figure 3, in the present embodiment one, above-mentioned signal detection module 2011 specifically can comprise Information Channel Index acquisition module 20111 and/or power collection module 20112, wherein:
This Information Channel Index acquisition module 20111, for detecting the channel information of the channel be connected with ray machine/amplifier;
This power collection module 20112, for detecting input power or the power output of ray machine/amplifier.
Take signal value as input signal power value be example, when determining corresponding gain reference value, concrete mode can be: the output power value of setting is deducted this input signal power value detected, thus obtain the yield value that this ray machine/amplifier should possess, thus corresponding gain reference value can be determined according to this yield value.
Take signal value as output signal power value be example, when determining corresponding gain reference value, concrete mode can be: the output power value of setting is deducted this output signal power value detected, thus obtain the relative changing value of the gain of ray machine/amplifier, thus corresponding gain reference value can be determined according to this relative changing value.
Take signal value as Information Channel Index be example, to the detection of Information Channel Index, can be understood as the EOC be connected with ray machine/amplifier (Ethernet over COAX, ether data pass through co-axial cables transport) equipment, the HFC net copper uranium ethernet devices such as such as CABLE MODEM, MOCA, HOMEPLUS, carry out detecting obtained Information Channel Index, because Information Channel Index is directly proportional to input signal power, thus can judge based on this Information Channel Index.When determining corresponding gain reference value, concrete mode can be: based on the relation between input signal power value and Information Channel Index, determine input signal power value, and the output power value of setting is deducted this input signal power value, thus obtain the yield value that this ray machine/amplifier should possess, thus corresponding gain reference value can be determined according to this yield value.
Take signal value as ray machine power be example, because ray machine power is directly proportional to output signal power, thus can judge based on ray machine power.When determining corresponding gain reference value, concrete mode can be: based on the relation between ray machine power and output signal power value, determine output signal power value, the output power value of setting is deducted this output signal power value detected, thus obtain the relative changing value of the gain of ray machine/amplifier, thus corresponding gain reference value can be determined according to this relative changing value.
Wherein, the above-mentioned gain reference value determined, can do different settings based on actual needs.Wherein in a kind of implementation, this gain reference value can be the yield value that ray machine/amplifier should possess, and namely input signal power value and this gain reference value sum equal the output power value that sets.In another implementation, this gain reference value can be the relative changing value of the gain of ray machine/amplifier, i.e. the fixed gain of input signal power value, ray machine/amplifier and this relative changing value's sum, should equal the output power value set.In the scheme of the embodiment of the present invention, not to this gain reference value specifically which kind value be specifically limited.
Wherein, above-mentioned gain reference value, it can be the yield value that ray machine/amplifier should possess, also can be the relative changing value of the gain of ray machine/amplifier, specifically itself can be determined by HFC transponder, also can be by HFC transponder accesses external equipment, the gain reference value that HFC transponder sends by receiving external equipment, and adjust according to the gain of the gain reference value received to ray machine/amplifier.In the present embodiment, not to this gain reference value specifically which kind value be specifically limited, also do not determine that gain reference value limits to by whom.
As shown in Figure 3, the HFC transponder provided in the present embodiment, in detection module 201, can also include voltage detection module 2012.
Wherein, this voltage detection module 2012, for detecting the magnitude of voltage of ray machine/amplifier, and judges this magnitude of voltage whether in predetermined normal voltage range;
Now, above-mentioned signal detection module 2011 is when the judged result of voltage detection module 2012 is for being, detects the signal value of ray machine/amplifier.
During specific works, voltage detection module 2012 detects the magnitude of voltage of ray machine/amplifier, and judge this magnitude of voltage whether in predetermined normal voltage range, if not in predetermined normal voltage range, then illustrate that this ray machine/amplifier goes wrong, need to change, the gain of ray machine/amplifier is adjusted and no longer there is meaning, therefore no longer the signal value of ray machine/amplifier is detected.If magnitude of voltage is in predetermined normal voltage range, the signal value of ray machine/amplifier is then detected by signal detection module 2011, and the signal value of ray machine/amplifier detected at signal detection module 2011 after, by HFC transponder itself or external equipment, this signal value is compared with corresponding predetermined range value, determine to make the gain reference value of the signal value of ray machine/amplifier in the preset range of this correspondence, then gain regulation module 202 adjusts according to the gain of this gain reference value to ray machine/amplifier, make the signal value of ray machine/amplifier in the preset range of correspondence, to ensure the stable output of ray machine/amplifier.
Accordingly, owing to being first detect the magnitude of voltage of ray machine/amplifier, and when the magnitude of voltage of ray machine/amplifier is in predetermined normal voltage range, just further the signal value of ray machine/amplifier is detected.When the voltage of ray machine/amplifier is not in default normal voltage range, illustrate that this ray machine/amplifier goes wrong, needs to change, the gain of ray machine/amplifier is adjusted and no longer possesses in all senses, thus further increase the efficiency of HFC Gain tuning.
After obtaining above-mentioned gain reference value, can adjust based on the gain of this gain reference value to ray machine/amplifier, to make the output signal value of ray machine/amplifier can in the preset range of correspondence.Because the gain module of ray machine/amplifier has generally comprised two parts: gain section and adjustable damping part, the yield value that gain section is corresponding is fixing, adjustable damping part passes through pad value corresponding to voltage, therefore, when adjusting the gain of ray machine/amplifier, it can be the value determining corresponding control voltage based on above-mentioned gain reference value, thus by realizing the adjustment of the gain to ray machine/amplifier to the adjustment of control voltage, and then realize the adjustment to the gain of ray machine/amplifier.
When specifically adjusting, when gain reference value is the relative changing value of the gain of ray machine/amplifier, the relative changing value of control voltage can be calculated according to the relative changing value of this gain, by the relative changing value of control voltage, control voltage is adjusted, thus realize the adjustment to the gain of ray machine/amplifier.Gain reference value be ray machine/amplifier should possess yield value time, directly can calculate the value of control voltage according to this yield value, and then by realizing the adjustment to the gain of ray machine/amplifier to the adjustment of control voltage.The corresponding relation of gain and control voltage, difference based on practical application and setting can have different settings, such as rise in value larger, the value of corresponding control voltage is also larger, or gain is larger, the value of corresponding control voltage is less, in the present invention program, does not do concrete setting to the corresponding relation of gain and control voltage.
Embodiment two
The structural representation of HFC transponder embodiment two of the present invention is shown in Fig. 4, in the present embodiment two, has mainly been with the difference of above-described embodiment one, in the present embodiment two, self determines gain reference value by HFC transponder.
As shown in Figure 4, the HFC transponder in the present embodiment two, relative to the HFC transponder in above-described embodiment one, also includes:
Gain comparison module 203, for comparing described signal value and corresponding predetermined range value afterwards, determining to make the described gain reference value of the signal value of ray machine/amplifier in described corresponding preset range.
Now, above-mentioned gain regulation module 202 is that the gain of gain reference value to ray machine/amplifier determined according to gain comparison module 203 adjusts.
Identical with above-described embodiment one of other technologies feature in the present embodiment two, will not repeat in detail at this.
Embodiment three
The structural representation of HFC transponder embodiment three of the present invention has been shown in Fig. 5, in the scheme of the present embodiment three, mainly be with the difference of above-described embodiment one, in the scheme of the present embodiment three, HFC transponder carries out the detection of signal based on the instruction of external equipment.
As shown in Figure 5, the HFC transponder in the present embodiment three includes signal dispatcher module 204, detection module 201 and gain regulation module 202, and this detection module includes signal detection module 2011, wherein:
This signal dispatcher module 204, for receiving detection instruction;
This signal detection module 2011, for the signal value according to described detection command detection ray machine/amplifier;
This gain regulation module 202, for adjusting according to the gain of gain reference value to described ray machine/amplifier, this gain reference value is after described signal value and corresponding predetermined range value being compared, determines to make the yield value of the signal value of ray machine/amplifier in described corresponding preset range.
According to the scheme in the present embodiment, when needs detect, detection instruction is sent to HFC transponder by external equipment, after the signal dispatcher module 204 of HFC transponder receives this detection instruction, signal detection module 201 detects according to the signal value of this detection instruction to ray machine/amplifier, after obtaining gain reference value according to signal value, adjusted according to the gain of this gain reference value to ray machine/amplifier by gain regulation module 202, thus realize the automatic adjustment of the gain to ray machine/amplifier accordingly, ensure the stability that ray machine/amplifier exports.
Wherein, after signal detection module 2011 detects the signal value of ray machine/amplifier, the transmit leg detecting instruction by signal dispatcher module 204, this signal value can also be sent to the transmit leg detecting instruction, so that can understand detected concrete outcome.
Accordingly, above-mentioned signal dispatcher module 204, the signal value also for being detected by signal detection module 2011 sends to the transmit leg detecting instruction.
Wherein, above-mentioned gain reference value, it can be the yield value that ray machine/amplifier should possess, also can be the relative changing value of the gain of ray machine/amplifier, specifically itself can be determined by HFC transponder, also can be tell to HFC transponder again after being determined by external equipment, HFC transponder adjusts according to the gain of gain reference value to ray machine/amplifier received again.In the present embodiment, not to this gain reference value specifically which kind value be specifically limited, also do not determine that gain reference value limits to by whom.
As shown in Figure 3, the HFC transponder provided in the present embodiment three, can also include temperature detecting module 2013 and/or illumination detection module 2014 in detection module 201, wherein:
This temperature detecting module 2013, for detecting the temperature of this transponder place environment;
This illumination detection module 2014, for detecting the intensity of illumination of this transponder place environment.
The temperature that temperature detecting module 2013 detects, the intensity of illumination that illumination detection module 2014 detects all can send to the transmit leg detecting instruction, so that the transmit leg detecting instruction understands the ambient conditions residing for HFC transponder.During concrete detection, this temperature detecting module 2013, illumination detection module 2014 can detect in real time, and detected temperature, intensity of illumination are fed back to the transmit leg detecting instruction, also can be detect based on detection instruction, not limit in the present embodiment.
In the scheme of the present embodiment three, HFC transponder can be communicated with external equipment by signal dispatcher module 204.Now, the HFC transponder in the present embodiment three can be an autonomous device that can carry out communicating with external equipment, also can be the part be integrated in EOC equipment.When the part of HFC transponder as EOC equipment, HFC transponder by the communication function of EOC equipment to communicate with other equipment.
Identical with above-described embodiment one of other technologies feature in the present embodiment three, does not repeat them here.
Embodiment four
The structural representation of HFC transponder embodiment four of the present invention is shown in Fig. 6, in the scheme of the present embodiment four, has mainly been with the difference of above-described embodiment three, in the scheme of the present embodiment, by external equipment determination gain reference value.
As shown in Figure 6, the HFC transponder in the present embodiment four includes signal dispatcher module 204, detection module 201 and gain regulation module 202, and this detection module includes signal detection module 2011, wherein:
This signal dispatcher module 204, instruction and gain reference value is detected for receiving, and the signal value detected by signal detection module 2011 sends to the transmit leg detecting instruction, this gain reference value is after described signal value and corresponding predetermined range value compare by the transmit leg of detection instruction, determines to make the yield value of the signal value of ray machine/amplifier in described corresponding preset range;
This signal detection module 2011, for the signal value according to described detection command detection ray machine/amplifier;
This gain regulation module 202, for adjusting according to the gain of described gain reference value to described ray machine/amplifier.
According to the scheme in the present embodiment, detection instruction is sent to HFC transponder by external equipment, after the signal dispatcher module 204 of HFC transponder receives this detection instruction, signal detection module 201 detects according to the signal value of this detection instruction to ray machine/amplifier, the signal value of the ray machine/amplifier detected feeds back to external equipment by signal dispatcher module 204, this signal value compares with corresponding predetermined range value by external equipment, determine to make the gain reference value of the signal value of ray machine/amplifier in the preset range of this correspondence, and this gain reference value is sent to HFC transponder, after the signal dispatcher module 204 of HFC transponder receives this gain reference value, adjusted according to the gain of this gain reference value to ray machine/amplifier by gain regulation module 202, make the signal value of ray machine/amplifier can in the preset range of correspondence, to ensure the stable output of ray machine/amplifier.
Identical with above-described embodiment three of other technologies feature in the present embodiment four, does not repeat them here.
Embodiment five
The structural representation of HFC transponder embodiment five of the present invention is shown in Fig. 7, in the scheme of the present embodiment five, has mainly been with the difference of above-described embodiment three, in the scheme of the present embodiment, by HFC transponder determination gain reference value.
As shown in Figure 7, the HFC transponder in the present embodiment five, relative to the HFC transponder in above-described embodiment three, also includes:
Gain comparison module 203, for comparing described signal value and corresponding predetermined range value afterwards, determining to make the described gain reference value of the signal value of ray machine/amplifier in described corresponding preset range.
Now, above-mentioned gain regulation module 202 is that the gain of gain reference value to ray machine/amplifier determined according to gain comparison module 203 adjusts.
Identical with above-described embodiment three of other technologies feature in the present embodiment five, will not repeat in detail at this.
According to the HFC transponder of the invention described above, the present invention also provides a kind of HFC answering system.
The structural representation of HFC answering system embodiment one of the present invention has been shown in Fig. 8.In shown in Fig. 8, this HFC answering system includes HFC transponder 20 and service end 30.
During specific implementation, detection instruction can be sent by service end 30 to HFC transponder 20, after HFC transponder 20 receives this detection instruction, the signal value according to this detection command detection ray machine/amplifier:
Wherein in a kind of implementation, after HFC transponder 20 detects signal value, this signal value is sent to service end 30, by service end 30 according to this signal value determination gain reference value, service end 30 sends adjustment instruction according to the gain reference value determined to HFC transponder 20, include the above-mentioned gain reference value determined in this adjustment instruction, HFC transponder 20 adjusts according to this adjustment instruction gain to ray machine/amplifier;
In another implementation, after HFC transponder 20 detects signal value, HFC transponder 20 self is according to this signal value determination gain reference value, and adjust according to the gain of this gain reference value to ray machine/amplifier, in addition, the signal value detected can also be sent to service end 30 by HFC transponder 20, so that service end 30 understands the state of HFC transponder 20.
The structural representation of HFC answering system embodiment two of the present invention has been shown in Fig. 9.In shown in Fig. 9, this HFC answering system includes HFC transponder 20, service end 30 and mobile client 40.
During specific implementation, sense command can be sent to service end 30 by mobile client 40, service end 30 sends detection instruction according to this sense command to HFC transponder 20, after HFC transponder 20 receives this detection instruction, and the signal value according to this detection command detection ray machine/amplifier:
Wherein in a kind of implementation, after HFC transponder 20 detects signal value, this signal value is sent to service end 30, by service end 30 according to this signal value determination gain reference value, service end 30 sends adjustment instruction according to the gain reference value determined to HFC transponder 20, the above-mentioned gain reference value determined is included in this adjustment instruction, HFC transponder 20 adjusts according to this adjustment instruction gain to ray machine/amplifier, the signal value that service end 30 receives, can send to mobile client 40, so that mobile client 40 understands the state of HFC transponder 20 or ray machine/amplifier,
In another implementation, after HFC transponder 20 detects signal value, this signal value is sent to service end 30, this signal value is fed back to mobile client 40 by service end 30, by mobile client 40 according to this signal value determination gain reference value, and send adjustment order according to the gain reference value determined to service end 30, the above-mentioned gain reference value determined is included in this adjustment order, after service end 30 receives this adjustment order, adjustment instruction is sent to HFC transponder 20 according to this adjustment order, the above-mentioned gain reference value determined is included in this adjustment instruction, HFC transponder 20 adjusts according to this adjustment instruction gain to ray machine/amplifier,
In another implementation, after HFC transponder 20 detects signal value, HFC transponder 20 self is according to this signal value determination gain reference value, and adjust according to the gain of this gain reference value to ray machine/amplifier, in addition, the signal value that HFC transponder 20 detects, service end 30 can be sent to, so that service end 30 understands the state of HFC transponder 20 or ray machine/amplifier, after service end 30 receives this signal value, further this signal value can also be sent to mobile client 40, be convenient to the state that mobile client 40 understands HFC transponder 20 or ray machine/amplifier.
In addition, HFC transponder 20 can also detect the temperature of HFC transponder 20 place environment, intensity of illumination in timing, and detected temperature, intensity of illumination are sent to service end 30, after service end 30 receives, can send to mobile client 40 further, convenient service end 30, mobile client 40 understand HFC transponder 20 or the specific environment residing for ray machine/amplifier.
Wherein, between HFC transponder 20 and service end 30, can be connected by Ethernet, also can be connected by EOC.During HFC transponder specific implementation, can as an independently equipment, also can as the module being embedded in EOC equipment (the HFC net copper uranium ethernet device such as such as CABLE MODEM, MOCA, HOMEPLUS).And the implementation of HFC answering system in conjunction with mobile client, can be sent by mobile client 40 at any time and detect instruction and detect instruction, the adjustment of the HFC gain realized by HFC transponder, realize portable office, can field operation be convenient to.
In the HFC answering system that above-mentioned Fig. 8,9 provides, the specific implementation of HFC transponder, gain reference value specifically determine mode etc., can be identical with any one HFC transponder in above-described embodiment one to five, therefore, no longer HFC transponder 20 is repeated at this.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a HFC gain adjusting method, is characterized in that, comprises step:
Detect the signal value of ray machine/amplifier, described signal value comprises any one or combination in any in output signal power value, Information Channel Index, ray machine power;
Described signal value is compared with corresponding predetermined range value, determine the gain reference value making the signal value of ray machine/amplifier in the preset range of described correspondence, and adjust according to the gain of this gain reference value to described ray machine/amplifier, described gain reference value is the relative changing value of the gain of described ray machine/amplifier yield value that should possess or described ray machine/amplifier.
2. HFC gain adjusting method according to claim 1, it is characterized in that, before the signal value detecting ray machine/amplifier, also comprise step: the magnitude of voltage detecting ray machine/amplifier, and judge this magnitude of voltage whether in predetermined normal voltage range, if so, the step of the signal value of described detection ray machine/amplifier is entered.
3. a HFC transponder, is characterized in that, comprises detection module and gain regulation module, and described detection module comprises signal detection module:
Described signal detection module, for detecting the signal value of ray machine/amplifier, described signal value comprises any one or combination in any in output signal power value, Information Channel Index, ray machine power;
Described gain regulation module, for adjusting according to the gain of gain reference value to described ray machine/amplifier, described gain reference value is after described signal value and corresponding predetermined range value being compared, determines to make the yield value of the signal value of ray machine/amplifier in described corresponding preset range, and described gain reference value is the relative changing value of the gain of described ray machine/amplifier yield value that should possess or described ray machine/amplifier.
4. HFC transponder according to claim 3, is characterized in that:
Also comprise gain comparison module, for described signal value and corresponding predetermined range value being compared afterwards, determining to make the described gain reference value of the signal value of ray machine/amplifier in described corresponding preset range;
Or
Also comprise signal dispatcher module, detect instruction and/or adjustment instruction for receiving, described adjustment instruction comprises described gain reference value;
Described signal detection module, for the signal value according to described detection command detection ray machine/amplifier;
Described gain regulation module, for adjusting according to the gain of described adjustment instruction to described ray machine/amplifier.
5. HFC transponder according to claim 4, is characterized in that:
Described detection module also comprises temperature detecting module and/or illumination detection module, and described temperature detecting module is for detecting the temperature of this transponder place environment; Described illumination detection module is for detecting the intensity of illumination of this transponder place environment, described signal dispatcher module, the intensity of illumination also detected for the temperature that described temperature detecting module detected and/or described illumination detection module sends to the transmit leg of described detection instruction;
And/or
Described signal detection module comprises Information Channel Index acquisition module and/or power collection module, described Information Channel Index acquisition module is for detecting the channel information of the channel be connected with described ray machine/amplifier, and described power collection module is for detecting the power output of described ray machine/amplifier.
6. the HFC transponder according to claim 3 to 5 any one, is characterized in that:
Described detection module also comprises voltage detection module, for detecting the magnitude of voltage of ray machine/amplifier, and judges this magnitude of voltage whether in predetermined normal voltage range;
Described signal detection module, for when the judged result of described voltage detection module is for being, detects the signal value of ray machine/amplifier;
And/or
Described HFC transponder is integrated in EOC equipment.
7. a HFC answering system, is characterized in that, comprises HFC transponder and service end, and described HFC transponder comprises detection module, gain regulation module and signal dispatcher module, and described detection module comprises signal detection module:
Described service end, detects instruction for sending to described HFC transponder;
Described signal dispatcher module, for receiving described detection instruction, and sends this detection instruction to described detection module;
Described signal detection module, for the signal value according to described detection command detection ray machine/amplifier, described signal value comprises any one or combination in any in output signal power value, Information Channel Index, ray machine power;
Described gain regulation module, for adjusting according to the gain of gain reference value to described ray machine/amplifier, described gain reference value is after described signal value and corresponding predetermined range value being compared, determines to make the yield value of the signal value of ray machine/amplifier in described corresponding preset range, and described gain reference value is the relative changing value of the gain of described ray machine/amplifier yield value that should possess or described ray machine/amplifier.
8. HFC answering system according to claim 7, is characterized in that:
Described HFC transponder also comprises gain comparison module, for described signal value and corresponding predetermined range value being compared afterwards, determining to make the described gain reference value of the signal value of ray machine/amplifier in described corresponding preset range;
Or
Described signal dispatcher module, also for sending to described service end according to the signal value detected by described signal detection module, and receive the adjustment instruction of described service end transmission, described adjustment instruction comprises described gain reference value;
The yield value of adjustment instruction to described ray machine/amplifier that described gain regulation module receives according to described signal dispatcher module adjusts;
Described service end, also for described signal value and corresponding predetermined range value being compared afterwards, determining to make the gain reference value of the signal value of ray machine/amplifier in described corresponding preset range, and send described adjustment instruction according to this gain reference value to described HFC transponder.
9. HFC answering system according to claim 7, is characterized in that:
Also comprise mobile client, for sending sense command to described service end;
Described service end, for sending described detection instruction according to described sense command to described HFC transponder;
Or
Also comprise mobile client, for sending sense command to described service end;
Described service end, for sending described detection instruction according to described sense command to described HFC transponder;
Described service end, also for being sent to described mobile client by described signal value, and send adjustment instruction according to the adjustment order of the mobile client received to described HFC transponder, described adjustment instruction comprises described gain reference value;
Described mobile client, also for receiving the described signal value that described service end sends, after described signal value and corresponding predetermined range value are compared, determine to make the described gain reference value of the signal value of ray machine/amplifier in described corresponding preset range, and sending adjustment order according to this gain reference value to described service end, described adjustment order comprises described gain reference value.
10. the HFC answering system according to claim 7 to 9 any one, is characterized in that:
Described signal detection module comprises Information Channel Index acquisition module and/or power collection module, described Information Channel Index acquisition module is for detecting the channel information of the channel be connected with described ray machine/amplifier, and described power collection module is for detecting input power or the power output of described ray machine/amplifier;
And/or
Described detection module also comprises temperature detecting module and/or illumination detection module, and described temperature detecting module is for detecting the temperature of this HFC transponder place environment; Described illumination detection module is for detecting the intensity of illumination of this HFC transponder place environment; The intensity of illumination that described signal dispatcher module also detects for the temperature that described temperature detecting module detected and/or described illumination detection module sends to described service end;
And/or
Described detection module also comprises voltage detection module, for the magnitude of voltage according to described detection command detection ray machine/amplifier, and judges this magnitude of voltage whether in predetermined normal voltage range;
Described signal detection module, for when the judged result of described voltage detection module is for being, according to the signal value of described detection command detection ray machine/amplifier;
And/or
Described HFC transponder is integrated in EOC equipment, and described HFC transponder is communicated with described service end by described EOC equipment.
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| CN108120891A (en) * | 2017-12-27 | 2018-06-05 | 成都芯通软件有限公司 | A kind of HFC amplifier reliabilities Auto-Test System |
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| CN112902991B (en) * | 2021-01-25 | 2022-10-14 | 上海兰宝传感科技股份有限公司 | Electromagnetic coding measurement method with automatic gain adjustment function |
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| CN101340244A (en) * | 2008-08-08 | 2009-01-07 | 宁波环球广电科技有限公司 | Optical receiving module |
| CN202218196U (en) * | 2011-07-22 | 2012-05-09 | 浙江省广电科技股份有限公司 | Optical automatic gain clamp (AGC) control circuit for cabled television optical receiving machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101340244A (en) * | 2008-08-08 | 2009-01-07 | 宁波环球广电科技有限公司 | Optical receiving module |
| CN202218196U (en) * | 2011-07-22 | 2012-05-09 | 浙江省广电科技股份有限公司 | Optical automatic gain clamp (AGC) control circuit for cabled television optical receiving machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108120891A (en) * | 2017-12-27 | 2018-06-05 | 成都芯通软件有限公司 | A kind of HFC amplifier reliabilities Auto-Test System |
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