CN104993842A - Self-adaptive business transceiver - Google Patents
Self-adaptive business transceiver Download PDFInfo
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Abstract
A self-adaptive business transceiver of the invention adopts a user signal monitoring unit, a frequency interval capturing unit and a user signal matching unit to perform monitoring and matching of whole-frequency-interval signals, and solves the problem of a frequency interval using conflict through arrangement of a business channel negotiation unit so that an anti-interference function is achieved. Through adoption of user identification code verification, safety and secrecy performance of signal transmission are enhanced.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of self-adapted service transceiver.
Background technology
Current wireless communication field high speed development, the confidentiality that user transmits for information and anti-interference are had higher requirement.The interval radio communication of full rate has become a kind of trend, for the service provider providing business support to all targeted customers, targeted customer may be positioned at various different frequency separation, and may interference be there is each other in the user being positioned at different frequency interval, serve more fast and accurately to provide to user, the application needing service provider must monitor fast, automatically and mate residing for targeted customer accesses frequency separation, and ensures the fail safe of communication.
Existing method generally can only be given tacit consent to selection frequency separation and communicate, functional unit is many, circuit power consumption is large, size is large, reliability is poor, and monitoring signal frequency separation and occupied or have interference to judge comparatively difficulty to frequency separation, automatically can not complete search simultaneously and utilize idle frequence interval to communicate.
Summary of the invention
The object of the invention is to be achieved through the following technical solutions.
According to the embodiment of the present invention, a kind of self-adapted service transceiver is proposed, described self-adapted service transceiver comprises omnidirectional's high density aerial array, user accesses pre-de-noising unit, baseband signal control unit, service channel negotiation element, first pre-distortion power amplifier unit, subscriber signal monitoring unit, user identification code authentication unit, frequency separation capturing unit, subscriber signal matching unit, master control support unit, second pre-distortion power amplifier unit, orthogonal converter unit, homophase converter unit, frequency synthesis unit, quadrature phase regulon, inphase quadrature automatic gain regulation unit, balanced unit, common mode gain is adjustable amplifying unit, quadrature gain is adjustable amplifying unit, and homophase AD converter unit and orthogonal AD converter unit, wherein,
Described self-adapted service transceiver input accesses pre-de-noising unit by broadband user and is connected to omnidirectional's high density aerial array, and the user radio signal received is accessed pre-de-noising unit by omnidirectional's high density aerial array;
The user radio signal that described user accesses the access of pre-de-noising unit is sent to the input of the second pre-distortion power amplifier unit and the first pre-distortion power amplifier unit, first pre-distortion power amplifier unit output is connected to subscriber signal monitoring unit input, and the control port of subscriber signal monitoring unit is connected to the output of user identification code authentication unit input, service channel negotiation element input and subscriber signal matching unit accordingly; The output of described service channel negotiation element connects master control support unit; The output of subscriber signal monitoring unit is connected to frequency separation capturing unit input, and frequency separation capturing unit output is connected to subscriber signal matching unit input and user identification code authentication unit input; Subscriber signal matching unit output one tunnel controls subscriber signal monitoring unit, and another output of subscriber signal matching unit outputs to master control support unit; The output of described user identification code authentication unit connects subscriber signal monitoring unit; Another input of master control support unit is connected to the baseband signal control unit of described self-adapted service transceiver, the output of master control support unit, is connected respectively to the control input end that the second pre-distortion power amplifier unit, frequency synthesis unit, homophase converter unit, orthogonal converter unit, balanced unit, common mode gain is adjustable amplifying unit, quadrature gain is adjustable amplifying unit, homophase AD converter unit are corresponding with orthogonal AD converter unit; Described second pre-distortion power amplifier unit output is connected to homophase converter unit and orthogonal converter unit simultaneously, the access of homophase converter unit local oscillator is connected by frequency synthesis unit output to be provided, the access of orthogonal converter unit local oscillator is connected by quadrature phase regulon output to be provided, and the inphase quadrature two-way now produced accesses output respectively in order and to be connected inphase quadrature automatic gain regulation unit, balanced unit, common mode gain is adjustable amplifying unit, quadrature gain is adjustable amplifying unit and homophase AD converter unit and orthogonal AD converter unit.
According to the embodiment of the present invention, described omnidirectional high density aerial array is used for transmission and the reception of omnidirectional signal in service area; Described user accesses pre-de-noising unit and carries out pre-denoising Processing for the signal sending omnidirectional's high density aerial array and receive; Described baseband signal control unit controls signal to master control support unit for exporting base band.
According to the embodiment of the present invention, the input of described subscriber signal matching unit is connected to the output of upper level frequency separation capturing unit, carry out amplitude detection to the signal after previous stage frequency separation capturing unit frequency is eliminated, preliminary judgement is interference or useful signal; If judge it is useful signal, then enter next step master control support unit; If judge it is interference signal, then confirm that result is to subscriber signal monitoring unit; The confirmation output of described subscriber signal matching unit is connected to the control input end of prime subscriber signal monitoring unit; Described subscriber signal matching unit will be judged to be that the frequency separation information access of useful signal is to master control support unit, and described output is connected to the master control support unit input of next stage.When the result of user identification code authentication unit be the detection result of " registered user " and subscriber signal matching unit for " useful signal " time, represent that frequency separation is caught.
According to the embodiment of the present invention, described master control support unit according to the switching signal of the control information of baseband signal control unit, previous stage subscriber signal matching unit result of determination and service channel negotiation element, configuration control signal; Then export control signal, running parameter is configured.
According to the embodiment of the present invention, described service channel negotiation element is used for the traffic load judging useful signal place frequency separation according to the snoop results of subscriber signal monitoring unit, and when working as caught user place frequency separation traffic overload, to the interval handover request of user's transmission frequency, described request protection current business frequency separation pre-switch idle frequence that is busy and that specify is interval, and after user responds described request, described service channel negotiation element is simultaneously to master control support unit transmission frequency switching signal, indication mechanism provides business at new frequency separation.
Self-adapted service transceiver of the present invention, subscriber signal monitoring unit, frequency separation capturing unit, subscriber signal matching unit is adopted to monitor full rate wayside signaling and mate, the problem that frequency separation uses conflict is solved by arranging service channel negotiation element, achieve jamproof function, and adopt user identification code checking, enhance fail safe and the confidentiality of Signal transmissions.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Figure 1 show the self-adapted service transceiver architecture schematic diagram according to embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings illustrative embodiments of the present disclosure is described in more detail.Although show illustrative embodiments of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the execution mode of setting forth here.On the contrary, provide these execution modes to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
According to the embodiment of the present invention, a kind of self-adapted service transceiver is proposed, as shown in Figure 1, described self-adapted service transceiver comprises omnidirectional's high density aerial array, user accesses pre-de-noising unit, baseband signal control unit, service channel negotiation element, first pre-distortion power amplifier unit, subscriber signal monitoring unit, user identification code authentication unit, frequency separation capturing unit, subscriber signal matching unit, master control support unit, second pre-distortion power amplifier unit, orthogonal converter unit, homophase converter unit, frequency synthesis unit, quadrature phase regulon, inphase quadrature automatic gain regulation unit, balanced unit, common mode gain is adjustable amplifying unit, quadrature gain is adjustable amplifying unit, and homophase AD converter unit and orthogonal AD converter unit, wherein,
Described self-adapted service transceiver input accesses pre-de-noising unit by broadband user and is connected to omnidirectional's high density aerial array, and the user radio signal received is accessed pre-de-noising unit by omnidirectional's high density aerial array;
The user radio signal that described user accesses the access of pre-de-noising unit is sent to the input of the second pre-distortion power amplifier unit and the first pre-distortion power amplifier unit, first pre-distortion power amplifier unit output is connected to subscriber signal monitoring unit input, and the control port of subscriber signal monitoring unit is connected to the output of user identification code authentication unit input, service channel negotiation element input and subscriber signal matching unit accordingly; The output of described service channel negotiation element connects master control support unit; The output of subscriber signal monitoring unit is connected to frequency separation capturing unit input, and frequency separation capturing unit output is connected to subscriber signal matching unit input and user identification code authentication unit input; Subscriber signal matching unit output one tunnel controls subscriber signal monitoring unit, and another output of subscriber signal matching unit outputs to master control support unit; The output of described user identification code authentication unit connects subscriber signal monitoring unit; Another input of master control support unit is connected to the baseband signal control unit of described self-adapted service transceiver, the output of master control support unit, is connected respectively to the control input end that the second pre-distortion power amplifier unit, frequency synthesis unit, homophase converter unit, orthogonal converter unit, balanced unit, common mode gain is adjustable amplifying unit, quadrature gain is adjustable amplifying unit, homophase AD converter unit are corresponding with orthogonal AD converter unit; Described second pre-distortion power amplifier unit output is connected to homophase converter unit and orthogonal converter unit simultaneously, the access of homophase converter unit local oscillator is connected by frequency synthesis unit output to be provided, the access of orthogonal converter unit local oscillator is connected by quadrature phase regulon output to be provided, and the inphase quadrature two-way now produced accesses output respectively in order and to be connected inphase quadrature automatic gain regulation unit, balanced unit, common mode gain is adjustable amplifying unit, quadrature gain is adjustable amplifying unit and homophase AD converter unit and orthogonal AD converter unit.
According to the embodiment of the present invention, described omnidirectional high density aerial array is used for transmission and the reception of omnidirectional signal in service area; Described user accesses pre-de-noising unit and carries out pre-denoising Processing for the signal sending omnidirectional's high density aerial array and receive; Described baseband signal control unit controls signal to master control support unit for exporting base band.
According to the embodiment of the present invention, described first pre-distortion power amplifier unit works on very wide frequency separation, access pre-de-noising unit to user to carry out multi-signal on the later multiple frequency separations of pre-de-noising and carry out nonlinear distortion compensation and amplification simultaneously, and the signal after amplifying is outputted to the subscriber signal monitoring unit input of next stage.
According to the embodiment of the present invention, described subscriber signal monitoring unit, signal after the first pre-distortion power amplifier unit amplifies is carried out to frequency separation and spreads all over search, adopts the frequency separation of encryption to intert the multiple frequency separation of algorithm search, the signal on frequency separation is monitored; When on the frequency separation that certain is predetermined, by the size of detection signal strength, determine whether useful signal, mark the frequency separation position of useful signal, frequency separation positional information and user radio signal are outputted to the input of the frequency separation capturing unit of next stage; Described subscriber signal monitoring unit receives the confirmation signal of subscriber signal matching unit and user identification code authentication unit the result, if the confirmation " frequency separation is caught " of rear class subscriber signal matching unit and user identification code authentication unit the result, then monitored; If confirm, frequency separation is not caught, and subscriber signal monitoring unit continues to monitor; Described confirmation signal is linked into subscriber signal monitoring unit control end by subscriber signal matching unit and user identification code the result.
According to the embodiment of the present invention, signal outside assigned frequency interval is eliminated according to frequency separation positional information by described frequency separation capturing unit, realize catching of signal on certain frequency separation, the user radio signal after frequency being eliminated and frequency separation positional information output to next stage; The input of described frequency separation capturing unit is connected to the output of previous stage subscriber signal monitoring unit, and the output of described frequency separation capturing unit is connected to the input of next stage subscriber signal matching unit.
According to the embodiment of the present invention, described user identification code authentication unit carries out contrast verification according to the output signal of frequency separation capturing unit and the registered user's identification code pre-set, and exports the result to subscriber signal monitoring unit.
According to the embodiment of the present invention, the input of described subscriber signal matching unit is connected to the output of upper level frequency separation capturing unit, carry out amplitude detection to the signal after previous stage frequency separation capturing unit frequency is eliminated, preliminary judgement is interference or useful signal; If judge it is useful signal, then enter next step master control support unit; If judge it is interference signal, then confirm that result is to subscriber signal monitoring unit; The confirmation output of described subscriber signal matching unit is connected to the control input end of prime subscriber signal monitoring unit; Described subscriber signal matching unit will be judged to be that the frequency separation information access of useful signal is to master control support unit, and described output is connected to the master control support unit input of next stage.When the result of user identification code authentication unit be the detection result of " registered user " and subscriber signal matching unit for " useful signal " time, represent that frequency separation is caught.
According to the embodiment of the present invention, described master control support unit according to the switching signal of the control information of baseband signal control unit, previous stage subscriber signal matching unit result of determination and service channel negotiation element, configuration control signal; Then export control signal, unit running parameter is configured.
According to the embodiment of the present invention, described service channel negotiation element is used for the traffic load judging useful signal place frequency separation according to the snoop results of subscriber signal monitoring unit, and when working as caught user place frequency separation traffic overload, to the interval handover request of user's transmission frequency, described request protection current business frequency separation pre-switch idle frequence that is busy and that specify is interval, and after user responds described request, described service channel negotiation element is simultaneously to master control support unit transmission frequency switching signal, indication mechanism provides business at new frequency separation.
According to the embodiment of the present invention, the control signal that described second pre-distortion power amplifier unit accesses according to master control support unit, the operating frequency configuring the second pre-distortion power amplifier unit is interval, the control end of described second pre-distortion power amplifier unit is connected to the output of corresponding master control support unit, carry out nonlinear distortion compensation and low noise amplification to the radio frequency access signal accessing the pre-denoising Processing of pre-de-noising unit through user, the output of described second pre-distortion power amplifier unit divides two-way to connect the input of orthogonal converter unit and homophase converter unit.
According to the embodiment of the present invention, described frequency synthesis unit configures the clock signal needed for orthogonal converter unit and homophase converter unit according to master control support unit access signal, the control input end of described frequency synthesis unit is connected to corresponding master control support unit output, the output clock of frequency synthesis unit, a road signal directly accesses the input of homophase converter unit; Quadrature phase regulon of separately leading up to connects orthogonal converter unit; And described frequency synthesis unit has a road clock to output to the homophase AD converter unit of rear class and the work clock input (illustrating with dotted arrow in accompanying drawing) of orthogonal AD converter unit.
According to the embodiment of the present invention, described quadrature phase regulon carries out 90 degree of phase shifts to incoming clock, and output is connected to the input of orthogonal converter unit.
According to the embodiment of the present invention, described homophase converter unit and orthogonal converter unit work on a very wide frequency separation and multiple frequency separation, the local oscillator input of homophase converter unit and orthogonal converter unit is connected to the output of frequency synthesis unit and quadrature phase regulon, and homophase converter unit is connected the output of previous stage second pre-distortion power amplifier unit with the rf inputs of orthogonal converter unit.The output of homophase converter unit and orthogonal converter unit is connected to the input of next stage inphase quadrature automatic gain regulation unit.
According to the embodiment of the present invention, described inphase quadrature automatic gain regulation unit carries out the adjustment of phase place and gain to carrying out homophase and orthogonal two paths of signals after frequency conversion through previous stage homophase converter unit and orthogonal converter unit respectively, the result after adjustment is outputted to the input of the balanced unit of next stage.
According to the embodiment of the present invention, described balanced unit is made up of two parallel FIR filter, the operating frequency interval of these two FIR filter is identical, and the interval centre frequency of operating frequency can be configured as required, and the output signal corresponding by master control support unit controls; Balanced unit carries out equalization filtering to the homophase of prime after overregulating and orthogonal two paths of signals, the homophase of described balanced unit and the input of orthogonal two-way are connected respectively to corresponding previous stage homophase and orthogonal output, and homophase and orthogonal output are connected to the input of the corresponding adjustable gain amplifying unit of next stage.
According to the embodiment of the present invention, described common mode gain is adjustable amplifying unit and the adjustable amplifying unit of quadrature gain are the amplifiers that gain size can regulate, and gain-adjusted signal is provided by corresponding master control support unit output port; The input of two adjustable gain amplifying units is connected respectively to the corresponding homophase output of previous stage balanced unit and orthogonal output, and the output of two adjustable gain amplifying units is connected respectively to the homophase AD converter unit of next stage and the input of orthogonal AD converter unit.
According to the embodiment of the present invention, the sampling clock of described homophase AD converter unit and orthogonal AD converter unit is provided by frequency synthesis unit, homophase AD converter unit and orthogonal AD converter unit respectively to previous stage adjustable gain amplifying unit export homophase and orthogonal two paths of signals carry out digitlization, digital signal after digitlization is exported, the input of homophase AD converter unit and orthogonal AD converter unit links the output of previous stage adjustable gain amplifying unit, homophase AD converter unit and orthogonal AD converter unit output are connected to the output of described self-adapted service transceiver.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (5)
1. a self-adapted service transceiver, described self-adapted service transceiver comprises omnidirectional's high density aerial array, user accesses pre-de-noising unit, baseband signal control unit, service channel negotiation element, first pre-distortion power amplifier unit, subscriber signal monitoring unit, user identification code authentication unit, frequency separation capturing unit, subscriber signal matching unit, master control support unit, second pre-distortion power amplifier unit, orthogonal converter unit, homophase converter unit, frequency synthesis unit, quadrature phase regulon, inphase quadrature automatic gain regulation unit, balanced unit, common mode gain is adjustable amplifying unit, quadrature gain is adjustable amplifying unit, and homophase AD converter unit and orthogonal AD converter unit, wherein,
Described self-adapted service transceiver input accesses pre-de-noising unit by broadband user and is connected to omnidirectional's high density aerial array, and the user radio signal received is accessed pre-de-noising unit by omnidirectional's high density aerial array; The user radio signal that described user accesses the access of pre-de-noising unit is sent to the input of the second pre-distortion power amplifier unit and the first pre-distortion power amplifier unit, first pre-distortion power amplifier unit output is connected to subscriber signal monitoring unit input, and the control port of subscriber signal monitoring unit is connected to the output of user identification code authentication unit input, service channel negotiation element input and subscriber signal matching unit accordingly; The output of described service channel negotiation element connects master control support unit; The output of subscriber signal monitoring unit is connected to frequency separation capturing unit input, and frequency separation capturing unit output is connected to subscriber signal matching unit input and user identification code authentication unit input; Subscriber signal matching unit output one tunnel controls subscriber signal monitoring unit, and another output of subscriber signal matching unit outputs to master control support unit; The output of described user identification code authentication unit connects subscriber signal monitoring unit; Another input of master control support unit is connected to the baseband signal control unit of described self-adapted service transceiver, the output of master control support unit, is connected respectively to the control input end that the second pre-distortion power amplifier unit, frequency synthesis unit, homophase converter unit, orthogonal converter unit, balanced unit, common mode gain is adjustable amplifying unit, quadrature gain is adjustable amplifying unit, homophase AD converter unit are corresponding with orthogonal AD converter unit; Described second pre-distortion power amplifier unit output is connected to homophase converter unit and orthogonal converter unit simultaneously, the access of homophase converter unit local oscillator is connected by frequency synthesis unit output to be provided, the access of orthogonal converter unit local oscillator is connected by quadrature phase regulon output to be provided, and the inphase quadrature two-way now produced accesses output respectively in order and to be connected inphase quadrature automatic gain regulation unit, balanced unit, common mode gain is adjustable amplifying unit, quadrature gain is adjustable amplifying unit and homophase AD converter unit and orthogonal AD converter unit.
2. a self-adapted service transceiver as claimed in claim 1, described omnidirectional high density aerial array is used for transmission and the reception of omnidirectional signal in service area; Described user accesses pre-de-noising unit and carries out pre-denoising Processing for the signal sending omnidirectional's high density aerial array and receive; Described baseband signal control unit controls signal to master control support unit for exporting base band.
3. a self-adapted service transceiver as claimed in claim 2, the input of described subscriber signal matching unit is connected to the output of upper level frequency separation capturing unit, carry out amplitude detection to the signal after previous stage frequency separation capturing unit frequency is eliminated, preliminary judgement is interference or useful signal; If judge it is useful signal, then enter next step master control support unit; If judge it is interference signal, then confirm that result is to subscriber signal monitoring unit; The confirmation output of described subscriber signal matching unit is connected to the control input end of prime subscriber signal monitoring unit; Described subscriber signal matching unit will be judged to be that the frequency separation information access of useful signal is to master control support unit, and described output is connected to the master control support unit input of next stage.When the result of user identification code authentication unit be the detection result of " registered user " and subscriber signal matching unit for " useful signal " time, represent that frequency separation is caught.
4. a self-adapted service transceiver as claimed in claim 3, described master control support unit according to the switching signal of the control information of baseband signal control unit, previous stage subscriber signal matching unit result of determination and service channel negotiation element, configuration control signal; Then export control signal, system operational parameters is configured.
5. a self-adapted service transceiver as claimed in claim 4, described service channel negotiation element is used for the traffic load judging useful signal place frequency separation according to the snoop results of subscriber signal monitoring unit, and when working as caught user place frequency separation traffic overload, to the interval handover request of user's transmission frequency, described request protection current business frequency separation pre-switch idle frequence that is busy and that specify is interval, and after user responds described request, described service channel negotiation element is simultaneously to master control support unit transmission frequency switching signal, indication mechanism provides business at new frequency separation.
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| US8903333B1 (en) * | 2010-06-16 | 2014-12-02 | Rf Micro Devices, Inc. | Adaptive antenna tuner for a transceiver |
| CN102231635A (en) * | 2011-06-23 | 2011-11-02 | 上海中科高等研究院 | Direct frequency conversion receiver |
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Address after: 361008, Xiamen Software Park, Fujian Province, three, 0006, Yi Cheng street, unit 366 Patentee after: ROPT TECHNOLOGY GROUP Co.,Ltd. Address before: 361008, Xiamen Software Park, Fujian Province, three, 0006, Yi Cheng street, unit 366 Patentee before: Roput (Xiamen) Technology Group Co.,Ltd. |