CN104468011A - Simulation test terminal and signal processing method - Google Patents
Simulation test terminal and signal processing method Download PDFInfo
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Abstract
The invention discloses a simulation test terminal and a signal processing method. The simulation test terminal comprises a signal search module, a time base calibration module and a signal transmitting module. The signal search module is used for searching for a time division wireless signal of the cell where the simulation test terminal is located. The time base calibration module is used for determining the time base of the cell where the simulation test terminal is located according to the time division wireless signal found by the signal search module and conducting signal transmitting time base calibration on the simulation test terminal according to the signal time base. The signal transmitting module is used for transmitting the time division wireless signal according to the signal transmitting time base which is calibrated by the time base calibration module. According to the simulation test terminal and the signal processing method, when finding the time division wireless signal of the cell where the simulation test terminal is located, the simulation test terminal can conduct transmission time base calibration according to the time division wireless signal and then achieve signal synchronization, so that the problem that in the prior art, an indoor simulation signal source cannot achieve accurate synchronization with an existing time division communication system is solved, and the effect of signal synchronization is improved.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of the simulation test terminal and the signal processing method that are applicable to time division communication system.
Background technology
At present, when carrying out the construction of cordless communication network, in order to determine best base station location, usually need to carry out simulation test, namely lay simulation signal generator at the position candidate place of setting, and test the coverage condition of wireless signal by the mode traveling through described simulation signal generator perimeter path.
Particularly, for TD SDMA (Time Division-Synchronous Code DivisionMultiple Access, TD-SCDMA), time-division Long Term Evolution (Time Division-Long TermEvolution, the time division communication system such as TD-LTE), because each community in described time division communication system needs stringent synchronization each other, with the problem that this is avoided minizone mutually to disturb, therefore, when carrying out simulation test to described time division communication system, the each simulation signal generator laid at each position candidate place all needs to carry out time synchronized with existing network time division communication system.Particularly, global positioning system (GlobalPositioning System can be adopted, GPS) to complete the whole network of described time division communication system synchronous for time service mode or 1588 clock system modes, wherein, because the synchronous accuracy of GPS time service mode is higher, therefore, usually mainly to adopt GPS time service mode to complete the whole network of time division communication system synchronous for industry.
But applicant finds, when described simulation signal generator is in indoor, because indoor equipment cannot receive gps signal, therefore, GPS time service mode can not be adopted to carry out time synchronized to described lab simulation signal source; Have again, due in the engineering test of reality, need to move described lab simulation signal source continually, and when employing 1588 clock system mode carries out the time synchronized of described lab simulation signal source, usually need the fixed form adopting wired connection, and, due to relative GPS time service mode, the synchronous accuracy of described 1588 clock system modes is relatively low, and therefore, described 1588 clock system modes also and be not suitable for.
In sum, when adopting the at present conventional signal method of synchronization to carry out lab simulation signal source and time division communication system synchronous, often there is the problem that cannot realize the precise synchronization of lab simulation signal source and existing network time division communication system, reduction synchronous effect.
Summary of the invention
Embodiments provide a kind of simulation test terminal and signal processing method, the signal method of synchronization commonly used at present in order to solve the employing that exists in prior art cannot realize the problem of the precise synchronization of lab simulation signal source and existing network time division communication system.
Embodiments provide a kind of simulation test terminal, comprising:
Signal search module, for searching for the time-division wireless signal of community, simulation test terminal place;
Time base calibration module, for when described signal search block search is to the time-division wireless signal of community, described simulation test terminal place, according to the time-division wireless signal that described signal search block search arrives, base when determining the signal of community, described simulation test terminal place, and when launching the signal of described simulation test terminal according to base during described signal, base is calibrated;
Signal emission module, base during for launching according to the signal after base calibration module calibration time described, carries out the transmitting of time-division wireless signal.
In technical scheme described in the embodiment of the present invention, simulation test terminal can when searching the time-division wireless signal of self community, place, during signal according to described time-division wireless signal, base carries out the calibration of base when signal is launched, and then base carries out the transmitting of wireless signal when launching according to the signal after calibration, realize synchronous with the signal of existing network network with this, thus solve the lab simulation signal source existed in prior art and cannot realize neatly, with the synchronous problem of existing time division communication system, improve the effect that signal is synchronous.
Further, base generation module when described simulation test terminal also comprises:
Base generation module time described, during for not searching the time-division wireless signal of community, described simulation test terminal place when described signal search module, the base when signal generating described simulation test terminal is launched;
Described signal emission module, the base when signal also for generating according to base generation module time described is launched, carries out the transmitting of time-division wireless signal.
Further, described simulation test terminal also comprises parameter configuration module:
Described parameter configuration module, for the emission parameter information of configuring time division wireless signal;
Described signal emission module, the emission parameter information of base and the configuration of described parameter configuration module during specifically for launching according to the signal after base calibration module calibration time described, carries out the transmitting of time-division wireless signal.
Further, base calibration module time described, when also reaching setting threshold for the radio frames number of the time-division wireless signal launched in described signal emission module, base during signal again according to community, described simulation test terminal place, when launching the signal of described simulation test terminal, base is calibrated.
Further, described time-division wireless signal at least comprises TD-SCDMA wireless signal and TD-LTE wireless signal;
When described time-division wireless signal is TD-SCDMA wireless signal, one or more signal corrections during described signal in base and descending synchronous code (SYNC_DL) and training sequence territory (Midamble);
When described time-division wireless signal is TD-LTE wireless signal, one or more signal corrections during described signal in base and master sync signal, auxiliary synchronous signals and reference information.
The embodiment of the present invention additionally provides a kind of signal processing method, comprising:
The time-division wireless signal of simulation test terminal searching self community, place;
If search the time-division wireless signal of described community, then according to described time-division wireless signal, base when determining the signal of described community, and when launching its own signal according to base during described signal, base is calibrated; And,
Base when launching according to the signal after calibration, carries out the transmitting of time-division wireless signal.
In technical scheme described in the embodiment of the present invention, simulation test terminal can when searching the time-division wireless signal of self community, place, during signal according to described time-division wireless signal, base carries out the calibration of base when signal is launched, and then base carries out the transmitting of wireless signal when launching according to the signal after calibration, realize synchronous with the signal of existing network network with this, thus solve the lab simulation signal source existed in prior art and cannot realize neatly, with the synchronous problem of existing time division communication system, improve the effect that signal is synchronous.
Further, described method also comprises:
If do not search the time-division wireless signal of described community, then generate base when its own signal is launched, and base when launching according to generated signal, carry out the transmitting of time-division wireless signal.
Further, the base when launching according to the signal after calibration, before carrying out the transmitting of time-division wireless signal, described method also comprises:
The emission parameter information of configuring time division wireless signal;
Base when launching according to the signal after calibration, carries out the transmitting of time-division wireless signal, comprising:
The emission parameter information of base and configuration when launching according to the signal after calibration, carries out the transmitting of time-division wireless signal.
Further, the base when launching according to the signal after calibration, after carrying out the transmitting of time-division wireless signal, described method also comprises:
When the radio frames number of launched time-division wireless signal reaches setting threshold, base during signal again according to described community, when launching its own signal, base is calibrated.
Further, described time-division wireless signal at least comprises TD-SCDMA wireless signal and TD-LTE wireless signal;
When described time-division wireless signal is TD-SCDMA wireless signal, one or more signal corrections during described signal in base and SYNC_DL and Midamble;
When described time-division wireless signal is TD-LTE wireless signal, one or more signal corrections during described signal in base and master sync signal, auxiliary synchronous signals and reference information.
Beneficial effect of the present invention is as follows:
Embodiments provide a kind of simulation test terminal and signal processing method, described simulation test terminal can when searching the time-division wireless signal of self community, place, during signal according to described time-division wireless signal, base carries out the calibration of base when its own signal is launched, and then base carries out the transmitting of wireless signal when launching according to the signal after calibration, realize synchronous with the signal of existing network network with this, thus solve the lab simulation signal source existed in prior art and cannot realize the problem with the precise synchronization of existing time division communication system, improve the effect that signal is synchronous.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the structural representation of simulation test terminal described in the embodiment of the present invention one;
Figure 2 shows that the structure of time slot schematic diagram of radio frames and subframe in TD-SCDMA time division communication system;
Figure 3 shows that the schematic flow sheet of signal processing method described in the embodiment of the present invention two;
Figure 4 shows that the schematic flow sheet of signal processing method described in the embodiment of the present invention three.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one:
As shown in Figure 1, it is the structural representation of simulation test terminal described in the embodiment of the present invention one, and described simulation test terminal is applicable in the time division communication systems such as TD-SCDMA, TD-LTE, and the embodiment of the present invention is not limited in any way this; Particularly, described simulation test terminal can comprise signal search module 11, time base calibration module 12 and signal emission module 13, wherein:
Described signal search module 11 is for searching for the time-division wireless signal of community, simulation test terminal place; Particularly, described signal search module 11 can after described simulation test terminal electrifying startup, adopt the mode of real-time search or the mode of timing search to search for the time-division wireless signal of community, described simulation test terminal current place, the embodiment of the present invention is not limited in any way this.
When time described, base calibration module 12 is for searching the time-division wireless signal of community, described simulation test terminal place when described signal search module 11, according to the time-division wireless signal that described signal search block search arrives, base when determining the signal of community, described simulation test terminal place, and when launching the signal of described simulation test terminal according to base during described signal, base is calibrated.
Particularly, time described, base calibration module 12 can be used for the time-division wireless signal searched according to described signal search module 11, obtain the signal synchronizing information comprised in the arbitrary subframe of described time-division wireless signal, and base when determining the signal of community, described simulation test terminal place according to described signal synchronizing information, and, by using base during the signal of community, described simulation test terminal place as described simulation test terminal signal launch time base carry out described simulation test terminal signal launch time base calibration.
Wherein, described time-division wireless signal at least can comprise TD-SCDMA wireless signal and TD-LTE wireless signal; Further, when described time-division wireless signal is TD-SCDMA wireless signal, described signal synchronizing information usually can comprise in the information such as SYNC_DL and Midamble one or more; When described time-division wireless signal is TD-LTE wireless signal, described signal synchronizing information usually can comprise in the information such as master sync signal, auxiliary synchronous signals and reference information one or more; That is, when described time-division wireless signal is TD-SCDMA wireless signal, one or more signal corrections during described signal in base and SYNC_DL and Midamble; When described time-division wireless signal is TD-LTE wireless signal, one or more signal corrections during described signal in base and master sync signal, auxiliary synchronous signals and reference information.
Particularly, in order to clearly the present invention is described, below for TD-SCDMA time division communication system, carry out brief description to the structure of radio frames each in time division communication system and subframe, as shown in Figure 2, it is the structure of time slot schematic diagram of radio frames and subframe in TD-SCDMA time division communication system, wherein, a radio frames duration is 10ms, comprises two durations and is 5ms and the subframe be made up of 3 special time slots and 7 regular time slots respectively, wherein:
Described 3 special time slots are respectively descending pilot frequency time slot (Downlink Pilot Time Slot, DwPTS, 96 chips), main protection time slot (Guard Period, GP, 96 chips) and uplink pilot time slot (Uplink Pilot Time Slot, UpPTS, 160 chips), described DwPTS and UpPTS is used separately as down-going synchronous and uplink synchronous, and described GP is used as the propagation delay protection in uplink synchronous process of establishing; Particularly, described DwPTS is mainly used to send descending synchronous code (SYNC_DL), and its slot length is 96chip, and wherein synchronous code length is 64chip, before have 32chip to be used as the hangover protection of TS0 time slot.It should be noted that, for arbitrary base station, it all needs the DwPTS time slot in each community to send descending synchronous code, and wherein, different descending synchronous codes can identify different communities.
Described 7 regular time slots are TS0 ~ TS6, for transmitting user data or control information, wherein, described TS0 is mainly used in configuration Primary Common Control Physical Channel (Primary Common Control PhysicalChannel, PCCPCH), Page Indication Channel (Paging Indicator Channel, PICH) and the common signal channel such as forward access channel (Forward Access Channel, FACH), the covering of community and service access are controlled; TS1 ~ TS6 is business time-slot, is mainly used in the carrying of business datum.Particularly; for described 7 regular time slots; Midamble) and a spatial domain (abbreviation: GP) being used as time slot protection it all possesses identical structure of time slot, and namely each time slot all can be divided into 4 territories: two data fields, training sequence territory (are called for short:.
In simple terms, in embodiment of the present invention, when described time division communication system is TD-SCDMA time division communication system, when during signal according to community, simulation test terminal place, base is launched the signal of described simulation test terminal, base carries out calibration and refers to, require DwPTS and TS0 in the TD-SCDMA wireless signal of simulation test terminal transmission, DwPTS and TS0 that the base station in strict and existing TD-SCDMA time division communication system is launched keeps synchronized relation.
Further, base when described signal emission module 13 is for launching according to the signal after base calibration module 12 calibration time described, carries out the transmitting of time-division wireless signal.
Further, in embodiment of the present invention, described simulation test terminal also can comprise parameter configuration module 14 usually, wherein:
Described parameter configuration module 14 is for the emission parameter information of configuring time division wireless signal; Such as, for TD-SCDMA time division communication system, described parameter configuration module 14 can be used for transmitting frequency, the parameter information such as SYNC-DL code and P-CCPCH transmitting power of configuring time division wireless signal, and the embodiment of the present invention is not limited in any way this.
Correspondingly, described signal emission module 13 specifically can be used for the emission parameter information that when signal after calibrating according to base calibration module 12 time described is launched, base and described parameter configuration module 14 configure, and carries out the transmitting of time-division wireless signal; Such as, for TD-SCDMA time division communication system, described signal emission module 13 can be used for the emission parameter information that when signal after calibrating according to base calibration module 12 time described is launched, base and described parameter configuration module 14 configure, generate the signal datas such as corresponding DwPTS and PCCPCH, and according to signal datas such as DwPTS and PCCPCH generated, carry out the transmitting of time-division wireless signal.
Further, in embodiment of the present invention, base generation module 15 when described simulation test terminal also can comprise, wherein:
Time described, base generation module 15 can be used for when described signal search module 11 does not search the time-division wireless signal of community, described simulation test terminal place, generate described simulation test terminal signal launch time base; Further, the base when signal that described signal emission module 13 also can be used for generating according to base generation module 15 time described is launched, carries out the transmitting of time-division wireless signal.
That is, when described simulation test terminal does not search community time-division wireless signal, can according to the time base create-rule of setting, the base when signal needed for stochastic generation self is launched, and base when launching according to the signal self generated, carry out the transmitting of corresponding time-division wireless signal.
Further, when the radio frames number that time described, base calibration module 12 is also used in the time-division wireless signal that described signal emission module 13 is launched reaches setting threshold, base during signal again according to community, described simulation test terminal place, when launching the signal of described simulation test terminal, base is calibrated.
Wherein, described setting threshold can adjust according to actual conditions; Such as, when the required precision synchronous to signal is higher, described setting threshold can be set to relatively little numerical value, when the required precision synchronous to signal is relatively low, described setting threshold can be set to relatively high numerical value, and the embodiment of the present invention is not limited in any way this.
Finally it should be noted that, simulation test terminal described in the embodiment of the present invention usually can at existing traditional terminal device, as mobile phone, panel computer, the basis such as PDA is upper to be formed, and a set of radio system can be shared (wherein with described existing traditional terminal device, signal search module 11 described in the embodiment of the present invention one and signal emission module 13 etc. can regard the module such as radio frequency and antenna transmitting-receiving as being in existing traditional terminal device as), namely by the terminal chip of existing traditional terminal device, increase the reference calibration module 12 described in the embodiment of the present invention one with modules such as timely base generation modules 15, form the simulation test terminal described in the embodiment of the present invention, thus on the basis not relying on GPS, achieve with mobile phone, panel computer, PDA equal-volume is less, the mobile terminal device that flexibility ratio is higher realizes the synchronous effect with launching of downstream signal in TD-SCDMA or TD-LTE time-division system, and then solve the lab simulation signal source existed in prior art and cannot realize the problem with the precise synchronization of existing time division communication system, improve the effect that signal is synchronous, and correspondingly increase the synchronous flexibility of signal.
It should be noted that, when described simulation test terminal only possesses a set of radio system, need timesharing to carry out reception and the transmit operation of wireless signal; Certainly, it should be noted that, described simulation test terminal also can possess overlaps radio system more, and to realize reception and the transmit operation of wireless signal simultaneously, the embodiment of the present invention is not limited in any way this.
Further, it should be noted that, similar with existing traditional terminal device, described simulation test terminal also can possess the protocol processes function of various air interface (as Uu interface etc.), and the embodiment of the present invention is not limited in any way this.
The embodiment of the present invention one provides a kind of simulation test terminal, described simulation test terminal can when searching the time-division wireless signal of self community, place, during signal according to described time-division wireless signal, base carries out the calibration of base when its own signal is launched, and then base carries out the transmitting of wireless signal when launching according to the signal after calibration, realize synchronous with the signal of existing network network with this, thus solve the lab simulation signal source existed in prior art and cannot realize the problem with the precise synchronization of existing time division communication system, improve the effect that signal is synchronous.
In addition, because described simulation test terminal usually can at existing traditional terminal device, formation as upper in bases such as mobile phone, panel computer, PDA, and when not searching community time-division wireless signal, can according to the time base create-rule of setting, base when signal needed for stochastic generation self is launched, and base when launching according to the signal self generated, carry out the transmitting of corresponding time-division wireless signal, therefore can take on the basis of volume at reduction simulation signal generator, improve the synchronous effect of signal and flexibility further.
Embodiment two:
The embodiment of the present invention two provides a kind of signal processing method, and described signal processing method is applicable in the time division communication systems such as TD-SCDMA, TD-LTE, and the embodiment of the present invention is not limited in any way this; Particularly, as shown in Figure 3, it is the schematic flow sheet of signal processing method described in the embodiment of the present invention two, and described signal processing method can comprise the following steps:
Step 101: the time-division wireless signal of simulation test terminal searching self community, place.
Particularly, described simulation test terminal can after described simulation test terminal electrifying startup, adopt the mode of real-time search or the mode of timing search to search for the time-division wireless signal of community, described simulation test terminal current place, the embodiment of the present invention is not limited in any way this.
Step 102: if search community time-division wireless signal, then according to described time-division wireless signal, base when determining the signal of described community, and when launching its own signal according to base during described signal, base is calibrated.
Particularly, described simulation test terminal can according to the time-division wireless signal searched, obtain the signal synchronizing information comprised in the arbitrary subframe of described time-division wireless signal, and base when determining the signal of community, described simulation test terminal place according to described signal synchronizing information, and, by using base during the signal of community, described simulation test terminal place as described simulation test terminal signal launch time base carry out described simulation test terminal signal launch time base calibration.
Wherein, described time-division wireless signal at least can comprise TD-SCDMA wireless signal and TD-LTE wireless signal; Further, when described time-division wireless signal is TD-SCDMA wireless signal, described signal synchronizing information usually can comprise in the information such as SYNC_DL and Midamble one or more; When described time-division wireless signal is TD-LTE wireless signal, described signal synchronizing information usually can comprise in the information such as master sync signal, auxiliary synchronous signals and reference information one or more.
Step 103: base when launching according to the signal after calibration, carries out the transmitting of time-division wireless signal.
Particularly, the base when launching according to the signal after calibration, before carrying out the transmitting of time-division wireless signal, the emission parameter information of described simulation test terminal also configurable time-division wireless signal, such as, for TD-SCDMA time division communication system, the transmitting frequency of the configurable time-division wireless signal of described simulation test terminal, the parameter information such as SYNC-DL code and P-CCPCH transmitting power, the embodiment of the present invention is not limited in any way this.
Further, base when launching according to the signal after calibration, carries out the transmitting of time-division wireless signal, can comprise: the emission parameter information of base and configuration when launching according to the signal after calibration, carry out the transmitting of time-division wireless signal.Such as, for TD-SCDMA time division communication system, the emission parameter information of base and configuration when described simulation test terminal can be launched according to the signal after calibration, generate the signal datas such as corresponding DwPTS and PCCPCH, and according to signal datas such as DwPTS and PCCPCH generated, carry out the transmitting of time-division wireless signal.
Further, in embodiment of the present invention, described method also can comprise the following steps:
If do not search the time-division wireless signal of described community, then generate base when its own signal is launched, and base when launching according to generated signal, carry out the transmitting of time-division wireless signal.
That is, when described simulation test terminal does not search community time-division wireless signal, can according to the time base create-rule of setting, the base when signal needed for stochastic generation self is launched, and base when launching according to the signal self generated, carry out the transmitting of corresponding time-division wireless signal.
Particularly, the base when launching according to generated signal, before carrying out the transmitting of time-division wireless signal, the emission parameter information of described simulation test terminal also configurable time-division wireless signal, such as, for TD-SCDMA time division communication system, transmitting frequency, the parameter information such as SYNC-DL code and P-CCPCH transmitting power of described simulation test terminal also configurable time-division wireless signal, the embodiment of the present invention is not limited in any way this.
Further, the base when launching according to the signal after calibration, the base when signal generated after carrying out the transmitting of time-division wireless signal or according to self is launched, after carrying out the transmitting of time-division wireless signal, described method also can comprise the following steps:
When the radio frames number of launched time-division wireless signal reaches setting threshold, base during signal again according to described community, when launching its own signal, base is calibrated.
Wherein, described setting threshold can adjust according to actual conditions; Such as, when the required precision synchronous to signal is higher, described setting threshold can be set to relatively little numerical value, when the required precision synchronous to signal is relatively low, described setting threshold can be set to relatively high numerical value, and the embodiment of the present invention is not limited in any way this.
The embodiment of the present invention two provides a kind of signal processing method based on simulation test terminal, described simulation test terminal can when searching the time-division wireless signal of self community, place, during signal according to described time-division wireless signal, base carries out the calibration of base when its own signal is launched, and then base carries out the transmitting of wireless signal when launching according to the signal after calibration, realize synchronous with the signal of existing network network with this, thus solve the lab simulation signal source existed in prior art and cannot realize the problem with the precise synchronization of existing time division communication system, improve the effect that signal is synchronous.
In addition, because described simulation test terminal usually can at existing traditional terminal device, formation as upper in bases such as mobile phone, panel computer, PDA, and when not searching community time-division wireless signal, can according to the time base create-rule of setting, base when signal needed for stochastic generation self is launched, and base when launching according to the signal self generated, carry out the transmitting of corresponding time-division wireless signal, therefore can take on the basis of volume at reduction simulation signal generator, improve the synchronous effect of signal and flexibility further.
Embodiment three:
The embodiment of the present invention three provides a kind of signal processing method, described signal processing method is illustrating signal processing method described in the embodiment of the present invention two, as shown in Figure 4, it is the schematic flow sheet of signal processing method described in the embodiment of the present invention two, and described signal processing method can comprise the following steps:
Step 201: the time-division wireless signal of simulation test terminal searching self community, place.
Particularly, described simulation test terminal can after described simulation test terminal electrifying startup, adopt the mode of real-time search or the mode of timing search to search for the time-division wireless signal of community, described simulation test terminal current place, the embodiment of the present invention is not limited in any way this.
Step 202: whether simulation test terminal judges searches community wireless Time Division signal, if so, then performs step 203, otherwise, perform step 204.
Step 203: simulation test terminal is according to community time-division wireless signal, base when determining the signal of described community, and base is calibrated when launching its own signal according to base during described signal, and, base when launching according to the signal after calibration, carry out the transmitting of time-division wireless signal, and after executing this step, jump to step 205.
Particularly, described simulation test terminal can according to the time-division wireless signal searched, obtain the signal synchronizing information (as information such as the Midamble that comprises in SYNC_DL and TS0 that comprise in DwPTS) comprised in the arbitrary subframe of described time-division wireless signal, and base when determining the signal of community, described simulation test terminal place according to described signal synchronizing information, and, by using base during the signal of community, described simulation test terminal place as described simulation test terminal signal launch time base carry out described simulation test terminal signal launch time base calibration; Such as, for TD-SCDMA time division communication system, specifically can require DwPTS and TS0 in the TD-SCDMA wireless signal of simulation test terminal transmission, DwPTS and TS0 that the base station in strict and existing TD-SCDMA time division communication system is launched keeps synchronized relation.
Further, the base when launching according to the signal after calibration, before carrying out the transmitting of time-division wireless signal, the emission parameter information of described simulation test terminal also configurable time-division wireless signal, such as, for TD-SCDMA time division communication system, the transmitting frequency of the configurable time-division wireless signal of described simulation test terminal, the parameter information such as SYNC-DL code and P-CCPCH transmitting power, the embodiment of the present invention is not limited in any way this.
Further, base when launching according to the signal after calibration, carries out the transmitting of time-division wireless signal, can comprise: the emission parameter information of base and configuration when launching according to the signal after calibration, carry out the transmitting of time-division wireless signal.Such as, for TD-SCDMA time division communication system, the emission parameter information of base and configuration when described simulation test terminal can be launched according to the signal after calibration, generate the signal datas such as corresponding DwPTS and PCCPCH, and according to signal datas such as DwPTS and PCCPCH generated, carry out the transmitting of time-division wireless signal.
Step 204: simulation test terminal generates base when its own signal is launched, and base when launching according to generated signal, carry out the transmitting of time-division wireless signal, and after executing this step, jump to step 205.
That is, when described simulation test terminal does not search community time-division wireless signal, can according to the time base create-rule of setting, the base when signal needed for stochastic generation self is launched, and base when launching according to the signal self generated, carry out the transmitting of corresponding time-division wireless signal.
Particularly, the base when launching according to generated signal, before carrying out the transmitting of time-division wireless signal, the emission parameter information of described simulation test terminal also configurable time-division wireless signal, such as, for TD-SCDMA time division communication system, transmitting frequency, the parameter information such as SYNC-DL code and P-CCPCH transmitting power of described simulation test terminal also configurable time-division wireless signal, the embodiment of the present invention is not limited in any way this.
Step 205: whether the radio frames number of the time-division wireless signal that simulation test terminal judges self is launched reaches setting threshold, if so, then jumps to step 202, otherwise, perform step 206.
That is, when the radio frames number of the time-division wireless signal determining self to launch reaches setting threshold, base when simulation test terminal needs signal again according to described community, when launching its own signal, base is calibrated.
Wherein, described setting threshold can adjust according to actual conditions; Such as, when the required precision synchronous to signal is higher, described setting threshold can be set to relatively little numerical value, when the required precision synchronous to signal is relatively low, described setting threshold can be set to relatively high numerical value, and the embodiment of the present invention is not limited in any way this.
Step 206: when simulation test terminal is launched according to original signal, base carries out the transmitting of wireless Time Division signal.
Particularly, base when base can be signal after the terminal of simulation test described in step 203 is calibrated according to base during cell signal when described original signal is launched, or, base when also can be the signal transmitting of the terminal self of simulation test described in step 204 stochastic generation.
The embodiment of the present invention three provides a kind of signal processing method based on simulation test terminal, described simulation test terminal can when searching the time-division wireless signal of self community, place, during signal according to described time-division wireless signal, base carries out the calibration of base when its own signal is launched, and then base carries out the transmitting of wireless signal when launching according to the signal after calibration, realize synchronous with the signal of existing network network with this, thus solve the lab simulation signal source existed in prior art and cannot realize the problem with the precise synchronization of existing time division communication system, improve the effect that signal is synchronous.
In addition, because described simulation test terminal usually can at existing traditional terminal device, formation as upper in bases such as mobile phone, panel computer, PDA, and when not searching community time-division wireless signal, can according to the time base create-rule of setting, base when signal needed for stochastic generation self is launched, and base when launching according to the signal self generated, carry out the transmitting of corresponding time-division wireless signal, therefore can take on the basis of volume at reduction simulation signal generator, improve the synchronous effect of signal and flexibility further.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, device (equipment) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a simulation test terminal, is characterized in that, comprising:
Signal search module, for searching for the time-division wireless signal of community, simulation test terminal place;
Time base calibration module, for when described signal search block search is to the time-division wireless signal of community, described simulation test terminal place, according to the time-division wireless signal that described signal search block search arrives, base when determining the signal of community, described simulation test terminal place, and when launching the signal of described simulation test terminal according to base during described signal, base is calibrated;
Signal emission module, base during for launching according to the signal after base calibration module calibration time described, carries out the transmitting of time-division wireless signal.
2. simulation test terminal as claimed in claim 1, is characterized in that, base generation module when described simulation test terminal also comprises:
Base generation module time described, during for not searching the time-division wireless signal of community, described simulation test terminal place when described signal search module, the base when signal generating described simulation test terminal is launched;
Described signal emission module, the base when signal also for generating according to base generation module time described is launched, carries out the transmitting of time-division wireless signal.
3. simulation test terminal as claimed in claim 2, it is characterized in that, described simulation test terminal also comprises parameter configuration module:
Described parameter configuration module, for the emission parameter information of configuring time division wireless signal;
Described signal emission module, the emission parameter information of base and the configuration of described parameter configuration module during specifically for launching according to the signal after base calibration module calibration time described, carries out the transmitting of time-division wireless signal.
4. the simulation test terminal as described in as arbitrary in claims 1 to 3, is characterized in that,
Base calibration module time described, when also reaching setting threshold for the radio frames number of the time-division wireless signal launched in described signal emission module, base during signal again according to community, described simulation test terminal place, when launching the signal of described simulation test terminal, base is calibrated.
5. the simulation test terminal as described in as arbitrary in claims 1 to 3, is characterized in that,
Described time-division wireless signal at least comprises TD SDMA TD-SCDMA wireless signal and time-division Long Term Evolution TD-LTE wireless signal;
When described time-division wireless signal is TD-SCDMA wireless signal, one or more signal corrections during described signal in base and descending synchronous code SYNC_DL and training sequence territory Midamble;
When described time-division wireless signal is TD-LTE wireless signal, one or more signal corrections during described signal in base and master sync signal, auxiliary synchronous signals and reference information.
6. a signal processing method, is characterized in that, comprising:
The time-division wireless signal of simulation test terminal searching self community, place;
If search the time-division wireless signal of described community, then according to described time-division wireless signal, base when determining the signal of described community, and when launching its own signal according to base during described signal, base is calibrated; And,
Base when launching according to the signal after calibration, carries out the transmitting of time-division wireless signal.
7. signal processing method as claimed in claim 6, it is characterized in that, described method also comprises:
If do not search the time-division wireless signal of described community, then generate base when its own signal is launched, and base when launching according to generated signal, carry out the transmitting of time-division wireless signal.
8. signal processing method as claimed in claim 7, is characterized in that, the base when launching according to the signal after calibration, and before carrying out the transmitting of time-division wireless signal, described method also comprises:
The emission parameter information of configuring time division wireless signal;
Base when launching according to the signal after calibration, carries out the transmitting of time-division wireless signal, comprising:
The emission parameter information of base and configuration when launching according to the signal after calibration, carries out the transmitting of time-division wireless signal.
9. the signal processing method as described in as arbitrary in claim 6 ~ 8, is characterized in that, the base when launching according to the signal after calibration, and after carrying out the transmitting of time-division wireless signal, described method also comprises:
When the radio frames number of launched time-division wireless signal reaches setting threshold, base during signal again according to described community, when launching its own signal, base is calibrated.
10. the signal processing method as described in as arbitrary in claim 6 or 8, is characterized in that,
Described time-division wireless signal at least comprises TD SDMA TD-SCDMA wireless signal and time-division Long Term Evolution TD-LTE wireless signal;
When described time-division wireless signal is TD-SCDMA wireless signal, one or more signal corrections during described signal in base and descending synchronous code SYNC_DL and training sequence territory Midamble;
When described time-division wireless signal is TD-LTE wireless signal, one or more signal corrections during described signal in base and master sync signal, auxiliary synchronous signals and reference information.
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