CN109526034B - A kind of method switching over configuration and multimode instrument - Google Patents
A kind of method switching over configuration and multimode instrument Download PDFInfo
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- CN109526034B CN109526034B CN201810247031.5A CN201810247031A CN109526034B CN 109526034 B CN109526034 B CN 109526034B CN 201810247031 A CN201810247031 A CN 201810247031A CN 109526034 B CN109526034 B CN 109526034B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0094—Definition of hand-off measurement parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
The invention discloses a kind of method for switching over configuration and multimode instrument, gauge internal component number is relatively more solving to exist in the prior art, the larger problem of volume ratio.In the embodiment of the present invention, multimode instrument is when switching over configuration, work in every parameter is configured to intermediate frequency FPGA by master control borad, and the first baseband signal plate to intermediate frequency FPGA configuration take-effective time point and into the multimode instrument configures sending time point, when sending time point reaches, switching request message is sent so that terminal switches over from the first baseband signal plate to terminal, after the completion of terminal switching and when entry-into-force time point reaches, the work in every parameter for being allocated to intermediate frequency FPGA, which comes into effect, carries out standard switching.In this way, not needing combiner to be combined two paths of signals during the entire handover configurations of multimode instrument, reducing the component of gauge internal, thus volume is reduced, reduced costs.
Description
Technical field
The present invention relates to wireless communication technology field, in particular to a kind of method for switching over configuration and multimode instrument.
Background technique
With flourishing for mobile communication technology, operator and terminal development, production firm are for terminal comprehensive test instrument
Demand is increasing very big, and what each manufacturers generally provided at this stage is small-sized multi-standard terminal comprehensive test instrument.According to
3GPP (3rd Generation Partnership Project, the third generation partner program) requirement of agreement to terminal,
It is required that terminal supports the demands such as frequency handover under each standard, bandwidth switching, switching between each standard.To meet opening for terminal
Hair, factory test, network access testing demand, instrument must simulate existing net, meet terminal can be encountered in existing network environment it is each
Kind switch test demand.
At this stage there are mainly two types of common instrument switchings, one is the radio frequency letters that every piece of instrument issues this standard respectively
Number, subsequent two-way radiofrequency signal is connected to terminal after off-balancesheet is combined by combiner；Another kind is using multimode instrument, same instrument
The radiofrequency signal that various modes can be issued in table issues radiofrequency signal by every block of standard baseband signal plate when switching over,
Behind respective radio-frequency channel, terminal is connected to after being combined in multimode instrument by combiner.For this in two scheme come
Say, when switching over, all there is two-way radiofrequency signal, and terminal is connected to by combiner combining.Due to needing combiner
Two paths of signals is combined, so that the component number in instrument is relatively more, volume is bigger.
In conclusion existing in the prior art, gauge internal component number is relatively more, the larger problem of volume ratio.
Summary of the invention
The present invention provides a kind of method for switching over configuration and multimode instrument, and instrument exists in the prior art to solve
Internal component quantity is relatively more, the larger problem of volume ratio.
In a first aspect, a kind of method for switching over configuration provided in an embodiment of the present invention, this method comprises:
Intermediate frequency FPGA (Field programmable gate of the master control borad into the multimode instrument in multimode instrument
Array, field programmable gate array) it configuration take-effective time point and is connect with the intermediate frequency FPGA into the multimode instrument
First baseband signal plate configures sending time point, wherein entry-into-force time point is later than the sending time point, and described comes into force
Duration between time point and sending time point is greater than switching request message and is transferred to terminal from the first baseband signal plate
Duration；The subsequent first baseband signal plate sends switching to target terminal and asks before the sending time point or when reaching
Seek message；Then the intermediate frequency FPGA carries out standard switching after entry-into-force time point arrival.
The above method, multimode instrument configure work in every ginseng to intermediate frequency FPGA when switching over configuration, through master control borad
It counts, and the first baseband signal plate to intermediate frequency FPGA configuration take-effective time point and into the multimode instrument configures when sending
Between point, sending time point reach when, from the first baseband signal plate to terminal send switching request message so that terminal is cut
Change, terminal switching after the completion of and entry-into-force time point reach when, be allocated to intermediate frequency FPGA work in every parameter come into effect into
The switching of row standard.In this way, not needing combiner to close two paths of signals during the entire handover configurations of multimode instrument
Road, reduces the component of gauge internal, thus reduces volume, while also reducing the cost of multimode instrument.
In one possible implementation, the master control borad is according between the current time of system and preset configuration preparation
The sending time point is determined every the time；Wherein, the configuration prepares interval time as configuration take-effective time point and sending time
The duration of point.
The above method, master control borad determine the transmission according to the current time of system and preset configuration preparation interval time
At time point, the first baseband signal plate sends switching request message before sending time point or to terminal after reaching, so that terminal
It is immediately switched to the signal of communication reception pattern that corresponding second baseband signal plate is sent after being connected to switching request message, to receive
Signal of communication after the switching of multimode instrument is prepared.
In one possible implementation, between the master control borad prepares according to the current time of system, preset configuration
The entry-into-force time point is determined every time and preset switching waiting time；Wherein, the switching waiting time is switching request
Signal is transferred to the duration of terminal from the first baseband signal plate.
The above method, master control borad prepare interval time and preset switching according to the current time of system, preset configuration
Waiting time determines the entry-into-force time point, and wherein entry-into-force time point is equal or slightly larger than the current time of system, preset matches
It sets and prepares interval time and preset switching sum of waiting times, so, it is ensured that before system switches standard, terminal is
The switching request message of the first baseband signal plate transmission is received, meanwhile, after terminal completes switching, intermediate frequency FPGA can be quick
The signal of communication for issuing multimode instrument switch to the signal of communication that the second baseband signal plate is sent out.
In one possible implementation, the master control borad configures the entry-into-force time point to the intermediate frequency FPGA and reaches
The running parameter used afterwards；Wherein, the running parameter includes some or all of in following: standard, RF spot, gain.
The above method, master control borad prepare in interval time in preset configuration to when coming into force described in intermediate frequency FPGA configuration
Between point reach after the running parameter that uses so that intermediate frequency FPGA can join after the arrival of entry-into-force time point according to the items of configuration
Number is controlled, and the signal of communication standard that multimode instrument is issued switches.
In one possible implementation, the intermediate frequency FPGA disconnects the first base band after entry-into-force time point arrival
Access between signal plate and intermediate frequency FPGA, and the corresponding second baseband signal plate of standard being connected in the running parameter is in
Access between frequency FPGA；And the intermediate frequency FPGA is according to the frequency of the RF spot setting radio-frequency channel in the running parameter
Point, and according to the gain of the gain setting radiofrequency signal in the running parameter.
The above method, after entry-into-force time point reaches, intermediate frequency FPGA is communicated to corresponding second base band according to the parameter of configuration
Access between signal plate and radio-frequency channel；And the intermediate frequency FPGA is penetrated according to the RF spot setting in the running parameter
The frequency point in frequency channel, and according to the gain of the gain setting radiofrequency signal in the running parameter.Wherein, intermediate frequency FPGA passes through control
The frequency point that the standard and radio frequency for making the signal of communication connected pass through achievees the purpose that switch different communication signal.In this way,
It does not realize that signal of communication switches in such a way that combining switches the signal of communication of front and back different systems, and reduces gauge internal
Component, thus volume is reduced, while also reducing the cost of multimode instrument.
Second aspect, the embodiment of the present invention also provide a kind of multimode instrument for switching over configuration, the multimode instrument packet
Include: master control borad, intermediate frequency FPGA and at least two baseband signal plates, the multimode instrument have each implementation for realizing above-mentioned first aspect
The function of example.
In addition, technical effect brought by any implementation can be found in different realities in first aspect in second aspect
Technical effect brought by existing mode, details are not described herein again.
These aspects or other aspects of the application can more straightforward in the description of embodiment below.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of structural schematic diagram for the system for switching over configuration provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram for the multimode instrument for switching over configuration provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram for the method for switching over configuration provided in an embodiment of the present invention；
Fig. 4 is a kind of timing diagram for the method for switching over configuration provided in an embodiment of the present invention.
Specific embodiment
Communications Market scale is just with the expansion of higher rate at present.The expansion of Communications Market have stimulated to communication test instrument
Demand.User requires to further increase telecommunication service quality, so that communication service operator expands the investment of test equipment.
Meanwhile service provider requires communication equipment manufacturer to provide reliable, efficient communication equipment, so that communication equipment manufacturer
Expand the investment in terms of communication test instrument.Currently, global communication test equipment is fast-developing.
Mobile communication technology flourishes, terminal comprehensive test instrument as a kind of communication test instrument, operator and terminal development,
Production firm is also increasing for its demand, and what each manufacturers generally provided at this stage is that small-sized multi-standard terminal is comprehensive
Survey instrument.Requirement according to 3GPP agreement to terminal, it is desirable that terminal supports frequency handover under each standard, bandwidth switching, each standard
Between the demands such as switching.To meet the exploitation of terminal, factory is tested, the demand of network access testing, and instrument must simulate existing net, full
The various switch test demands that sufficient terminal can encounter in existing network environment.
Before the appearance of existing multimode instrument, the terminal comprehensive test instrument of two different modes is mostly used to issue two kinds of different systems respectively
The communication network of formula, then by instrument outside combiner two-way signal of communication is combined processing, be connected to terminal.
With the development of technology, multimode instrument starts to occur.The measure that multimode instrument is taken be by combiner, it is multiple can
Issue the baseband signal plate of different systems signal of communication, master control borad, intermediate frequency FPGA corresponding with baseband signal plate and and base band
The corresponding radio-frequency channel of signal plate is merged into a terminal comprehensive test instrument, and so each baseband signal plate issues the logical of corresponding standard
Letter signal is combined by combiner in instrument after corresponding intermediate frequency FPGA and corresponding radio-frequency channel, is connected to end
End.
It requires to synthesize multichannel communication multiple telecommunication signal using combiner in the utilization of above-mentioned terminal comprehensive test instrument, due to depositing
In the use of combiner, so that cost is also relatively high, meanwhile, first device for second of terminal comprehensive test instrument, in instrument
Number of packages amount is relatively more, and volume is bigger, and same cost is also relatively high.
A kind of multimode injection frequency will be provided in order to reduce terminal comprehensive test instrument volume and reduce cost, in the embodiment of the present invention
Channel instrument only includes a radio-frequency channel in the instrument, thus can only have a kind of signal of communication of standard.This is wanted
Timely switching channel and RF spot, gain when standard switching are asked, and in order to allow terminal to initiate switching, instrument is current
Signal of communication standard baseband signal plate need to send handover request to terminal, handover request must not be cut in radio-frequency channel
Change, gate switching before be sent to terminal.If instrument switching is early, handover request is sent out less than terminal, and frequency point is just modified
, terminal can not receive handover request, cannot also complete to have switched.If the evening of instrument switching, UE can step-outs.
Therefore three material time points and three time interval durations will be introduced in the embodiment of the present invention.
The current time of system: system begins preparing the time point for carrying out the switching of signal of communication standard；
Sending time: the first baseband signal plate sends the latest time point of switching request message to terminal, is more than the time
Point, terminal will not receive switching request message.
Entry-into-force time: master control borad is allocated to the running parameter entry-into-force time of intermediate frequency FPGA, when which reaches, intermediate frequency
FPGA controls the switching of all constituents in completion system.
Preset configuration prepares interval time: switch start when, master control borad obtains the current time of system, and to described
The running parameter that intermediate frequency FPGA configuration take-effective time point and entry-into-force time point use after reaching；Then to the first baseband signal plate
Sending time point is configured, then sends handover configurations request to the second baseband signal plate, this series of activities is all the standard of switching
Standby work completes the time-consuming a length of configuration of these work institute and prepares interval time.Configuration preparation interval time is obtained by test of many times
The empirical value arrived, it is the test value set manually that the preset configuration in system, which prepares interval time,.
The preset switching waiting time: the first baseband signal plate to terminal issue switching request information when, the information because
To pass through multiple software subsystems and intermediate frequency, radio-frequency channel so needing to take some time, which transmits institute's used time
Long is the switching waiting time.Switching the waiting time is also the empirical value obtained by test of many times, the preset switching in system
Waiting time is also the test value set manually.Setting switch the waiting time when, it is ensured that switching the waiting time be equal to or
The time interval being slightly less than between sending time point and entry-into-force time point.
The current time that master control borad obtains system completes the time of switching to terminal: including before terminal completes switching
Master control borad switches over configuration and prepares operation and terminal waiting two parts of switching request message, therefore master control borad obtains working as system
Preceding time to the time that terminal completes switching is equal to configuration and prepares interval time plus the switching waiting time.
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of system for switching over configuration, the system include: master control borad 10,
Intermediate frequency FPGA11, at least two baseband signal plates 12.
The signal of communication of system simulation different systems is simultaneously connected to terminal, passes through converting communication signals in connection procedure
Standard, and detect terminal reception condition and determine that the terminal of system connection can complete standard switching well, to receive difference
The signal of communication of standard.
It may include at least two baseband signal plates in system shown in Figure 1.If there are two above baseband signals for the system
Plate, when switching over configuration, the master control borad in the system can configure the signal of communication that will be accessed after switching to intermediate frequency FPGA
Standard.If only there are two baseband signal plates for the system, when switching over configuration, the master control borad in the system can be to intermediate frequency
The standard for the signal of communication that will be accessed after FPGA configuration switching, can not also configure.
For the system when specifically switching over configuration, master control borad first can obtain the current time of system, and in described
The running parameter that frequency FPGA configuration take-effective time point and entry-into-force time point use after reaching；Then to the base of the connection before switching
Band signal plate configures sending time point, then to latter linked baseband signal plate transmission handover configurations request is switched, so smoothly
Completion handover configurations preparation.Then, switching request message can be sent to by the baseband signal plate of the connection before switching
Terminal, terminal switch over immediately after receiving switching request message, prepare the baseband signal plate hair for receiving the connection after switching
Signal of communication out.After the completion of above-mentioned work all, master control borad is allocated to intermediate frequency FPGA running parameter and comes into effect, and system can
The signal of communication standard of interior sending switches over.So can only may exist a kind of standard signal of communication in the case where,
The change of intra-system communication signaling mode is completed, and is not needing combiner to be combined two paths of signals, is reduced in instrument
The component in portion, thus volume is reduced, while also reducing the cost of multimode instrument.
Master control borad includes operational subsystems thereon, for intermediate frequency FPGA configuration take-effective time point and at least two
The the first baseband signal plate configuration sending time point being connect in a baseband signal plate with the intermediate frequency FPGA；It is also used to according to system
Current time and preset configuration prepare interval time determine the sending time point；And according to the current time of system,
Preset configuration prepares interval time and the preset switching waiting time determines the entry-into-force time point；And to the intermediate frequency
FPGA configures the running parameter used after the entry-into-force time point reaches；
Intermediate frequency FPGA includes FPGA subsystem thereon, for receiving the entry-into-force time point of master control borad configuration and coming into force
The running parameter used after time point arrival disconnects between the first baseband signal plate and intermediate frequency FPGA after the arrival of entry-into-force time point
Access, and the access being connected between the corresponding second baseband signal plate of the standard in running parameter and intermediate frequency FPGA；According to work
Make the frequency point of the RF spot setting radio-frequency channel in parameter, and according to the increasing of the gain setting radiofrequency signal in running parameter
Benefit, to complete the selection for the signal of communication that the signal of communication issued to the first baseband signal plate and the second baseband signal plate issue,
Achieve the purpose that signal of communication system switches.
Baseband signal plate, for providing the signal of communication of multiple types, different baseband signal plates provides different systems
Signal of communication.Such as TD-SCDMA (Time Division-Synchronous Code Division Multiple
Access, TD SDMA), (Global System for Mobile Communication, the whole world are mobile by GSM
Communication system), WCMDA (Wideband Code Division Multiple Access, wideband code division multiple access), TDD-LTE
(Time Division Duplexing-Long Term Evolution, time division duplex long term evolution), FDD-LTE
(Frequency Division Duplexing-Long Term Evolution, frequency division duplex long term evolution).
For convenience of description explanation, the baseband signal plate connected before switching can be properly termed as the first baseband signal plate, cut
It changes latter linked baseband signal plate and is known as the second baseband signal plate.
The embodiment of the present invention will be illustrated for there are two the system of baseband signal plate below, as shown in Fig. 2, this is
System includes: master control borad 10, intermediate frequency FPGA11, the first baseband signal plate 12, the second baseband signal plate 13, wherein the first base band letter
Number plate is the baseband signal plate connected before switching, and the second baseband signal plate is to switch latter linked baseband signal plate.
Further, as shown in figure 3, in the embodiment of the present invention, the system switching in completion system in the following manner
Configuration.
Step 300, intermediate frequency FPGA configuration take-effective time point of the master control borad in multimode instrument into the multimode instrument with
And the first baseband signal plate configuration sending time point being connect into the multimode instrument with the intermediate frequency FPGA, wherein the life
Effect time point is later than the sending time point, and the duration between entry-into-force time point and sending time point is greater than switching
Request message is transferred to the duration of terminal from the first baseband signal plate.
In the embodiment of the present invention, system is when switching over configuration, by master control borad to the intermediate frequency FPGA configuration take-effective time
Point and the first baseband signal plate into the multimode instrument configure sending time point, when sending time point reaches or arrival
Before, send switching request message so that terminal switches over from the first baseband signal plate to terminal, after the completion of terminal switching and
When entry-into-force time point reaches, the work in every parameter for being allocated to intermediate frequency FPGA, which comes into effect, carries out standard switching.In this way, can protect
It is not in that terminal does not receive switching request information and showing for not switching during the entire handover configurations for demonstrate,proving multimode instrument
As that the phenomenon that signal of communication standard switching step-out of terminal and system, i.e. sending time point and entry-into-force time point will not occur
The timing of each operation in handoff procedure has been determined well, has guaranteed the completion of switching.
Wherein, above-mentioned entry-into-force time point and sending time point can be determined by following method.
One, sending time point
Optionally, the master control borad determines the hair according to the current time of system and preset configuration preparation interval time
Send time point；Wherein, the configuration prepares the duration that interval time is master control borad configuration take-effective time point and sending time point.
In the embodiment of the present invention, master control borad determines institute according to the current time of system and preset configuration preparation interval time
Sending time point is stated, after the arrival of sending time point, the first baseband signal plate sends switching request message to terminal, so that terminal
It is immediately switched to the signal of communication reception pattern that corresponding second baseband signal plate is sent after being connected to switching request message, to receive
Signal of communication after the switching of multimode instrument is prepared.Wherein sending time point is equivalent to the current time and preset configuration of system
Prepare the sum of interval time.
Two, entry-into-force time point
Optionally, when the master control borad comes into force according to the current time of system and the determination of preset switching waiting time
Between point；Wherein, the switching waiting time is the duration that switching request signal is transferred to terminal from the first baseband signal plate.
In specific implementation, master control borad prepares interval time according to the current time of system, preset configuration and preset cuts
Changing the waiting time determines the entry-into-force time point, and wherein entry-into-force time point is equal or slightly larger than the current time, preset of system
Configuration prepares interval time and preset switching sum of waiting times, in this way, intermediate frequency FPGA can be fast after terminal completes switching
The signal of communication for issuing multimode instrument of speed switches to the signal of communication that the second baseband signal plate is sent out.
It, can also be to the intermediate frequency FPGA configuration take-effective time when master control borad configures the entry-into-force time point to the intermediate frequency FPGA
The running parameter that point uses after reaching, so after the arrival of entry-into-force time point, intermediate frequency FPGA can be according to these parameters to system
Interior each component part is controlled, and achievees the purpose that switch signal of communication standard.
Optionally, the master control borad configures the work ginseng used after the entry-into-force time point reaches to the intermediate frequency FPGA
Number；Wherein, the running parameter includes but is not limited to standard, RF spot, gain.
In implementation, master control borad prepares to configure the entry-into-force time to the intermediate frequency FPGA in interval time in preset configuration
The running parameter that point uses after reaching, so that intermediate frequency FPGA can be according to the parameters of configuration after the arrival of entry-into-force time point
It is controlled, the signal of communication standard that multimode instrument is issued switches.
By only having two signal plates of the first baseband signal plate and the second baseband signal plate in this present embodiment, therefore switching
When, the selection of signal of communication standard is unique, so, master control borad described in intermediate frequency FPGA configuration to when coming into force during this
Between point reach after the running parameter that uses can not include standard.
When master control borad all completes the preparation of all handover configurations, the first baseband signal plate will notify terminal into
Row switching.
Step 301, the first baseband signal plate is sent before the sending time point or when reaching to target terminal
Switching request message.
During this, the first baseband signal plate sends switching request in the forward direction target terminal of the sending time point and disappears
Breath, or when the sending time point reaches, switching request message is sent to target terminal.Be equal to due to sending time point or
Prepare the sum of interval time slightly larger than the current time of system and preset configuration, so, before sending time point or reach
When to target terminal send switching request message so that terminal receives switching request message and switches over.
After the completion of terminal receives switching request message and switches, and when the arrival of entry-into-force time point, master control borad is allocated to
The work in every parameter of intermediate frequency FPGA comes into effect, specific as follows.
Step 302, the intermediate frequency FPGA carries out standard switching after entry-into-force time point arrival.
Specifically, the intermediate frequency FPGA disconnects the first baseband signal plate and intermediate frequency FPGA after entry-into-force time point arrival
Between access, and it is logical between the corresponding second baseband signal plate of standard being connected in the running parameter and intermediate frequency FPGA
Road；And the intermediate frequency FPGA sets the frequency point of radio-frequency channel according to the RF spot in the running parameter, and according to described
The gain of gain setting radiofrequency signal in running parameter.
When it is implemented, intermediate frequency FPGA disconnects the first baseband signal plate and intermediate frequency FPGA after entry-into-force time point arrival
Between access, and it is logical between the corresponding second baseband signal plate of standard being connected in the running parameter and intermediate frequency FPGA
Road, to realize the selection to the signal of communication of different systems.In addition, intermediate frequency FPGA is according to the radio frequency frequency in the running parameter
The frequency point of point setting radio-frequency channel, and according to the gain of the gain setting radiofrequency signal in the running parameter, thus in guaranteeing
Frequency FPGA selected signal of communication can smoothly be sent to terminal.
For more detailed description this programme, the embodiment of the present invention is done below in conjunction with specific example and Figure of description
It is described in further detail.
As shown in Fig. 2, the above-mentioned system for switching over configuration can be multimode instrument as a kind of possible embodiment,
With the first baseband signal plate be LTE baseband signal plate, the second baseband signal plate be TD-SCDMA baseband signal plate for said
It is bright.
In specific implementation, firstly, intermediate frequency FPGA configuration take-effective time of the master control borad in multimode instrument into multimode instrument
Point and the LTE baseband signal plate into multimode instrument configure sending time point, and wherein entry-into-force time point is later than sending time point,
And the duration between entry-into-force time point and sending time point is greater than switching request message and is transferred to terminal from the first baseband signal plate
Duration.
In implementation, multimode instrument when switching over configuration, by master control borad to intermediate frequency FPGA configuration take-effective time point with
And the LTE baseband signal plate into multimode instrument configures sending time point, when sending time point reaches or before reaching, by LTE
Baseband signal plate sends switching request message so that terminal switches over to terminal, after the completion of terminal switching and entry-into-force time point
When arrival, the work in every parameter for being allocated to intermediate frequency FPGA, which comes into effect, carries out standard switching.So, it is ensured that multimode instrument
Entire handover configurations during, be not in the phenomenon that terminal does not receive switching request information and do not switch, will not go out
The signal of communication standard of existing terminal and multimode instrument switches the phenomenon that step-out, i.e., sending time point and entry-into-force time point be very well really
The timing for having determined each operation in handoff procedure guarantees the completion of switching.
Wherein, above-mentioned entry-into-force time point and sending time point can be determined by following method.
One, sending time point
Optionally, master control borad determines when sending according to the current time of multimode instrument and preset configuration preparation interval time
Between point；Wherein, configuration prepares the duration that interval time is master control borad configuration take-effective time point and sending time point.
In the embodiment of the present invention, master control borad is true according to the current time of multimode instrument and preset configuration preparation interval time
Determine sending time point, after the arrival of sending time point, LTE baseband signal plate sends switching request message to terminal, so that terminal
It is immediately switched to the signal of communication reception pattern that corresponding TD-SCMAD baseband signal plate is sent after being connected to switching request message, is
Signal of communication after receiving the switching of multimode instrument is prepared.The current time that wherein sending time point is equivalent to multimode instrument adds
Preset configuration prepares the time point determined interval time.
Two, entry-into-force time point
Optionally, master control borad determines the entry-into-force time according to the current time and preset switching waiting time of multimode instrument
Point；Wherein, the switching waiting time is the duration that switching request signal is transferred to terminal from LTE baseband signal plate.
In specific implementation, master control borad prepares interval time according to the current time of multimode instrument, preset configuration and presets
The switching waiting time determine entry-into-force time point, wherein entry-into-force time point is equal or slightly larger than the current time, pre- of multimode instrument
If configuration prepare interval time and preset switching sum of waiting times, in this way, intermediate frequency FPGA can after terminal completes switching
The signal of communication that multimode instrument issues quickly is switched to TD-SCMAD standard by the signal of communication of original LTE standard
Signal of communication.
When master control borad is to intermediate frequency FPGA configuration take-effective time point, after also being reached to intermediate frequency FPGA configuration take-effective time point
The running parameter used, so after the arrival of entry-into-force time point, intermediate frequency FPGA can be according to these parameters in multimode instrument
Each component part is controlled, and achievees the purpose that switch signal of communication standard.
Optionally, the running parameter that master control borad uses after reaching to intermediate frequency FPGA configuration take-effective time point；Wherein, work ginseng
Number includes but is not limited to standard, RF spot, gain.
In implementation, master control borad is after preset configuration prepares to reach in interval time to intermediate frequency FPGA configuration take-effective time point
The running parameter used, so that intermediate frequency FPGA can be controlled after the arrival of entry-into-force time point according to the parameters of configuration
System, the signal of communication standard that multimode instrument is issued switch.
By only having LTE baseband signal plate and TD-SCDMA baseband signal plate the two signal plates in this present embodiment, therefore
When switching, the selection of signal of communication standard is unique, so, master control borad configures the life to the intermediate frequency FPGA during this
The running parameter used after effect time point arrival can not include standard.
Then, LTE baseband signal plate sends switching request to target terminal and disappears before sending time point or when reaching
Breath.
During this, LTE baseband signal plate sends switching request message in the forward direction target terminal of sending time point, or
When sending time point reaches, switching request message is sent to target terminal.Since sending time point is equal or slightly larger than multimode
The current time of instrument and preset configuration prepare the sum of interval time, so, to mesh when before sending time point or reaching
It marks terminal and sends switching request message, so that terminal receives switching request message and switches over.
Finally, intermediate frequency FPGA carries out standard switching after the arrival of entry-into-force time point.
Specifically, intermediate frequency FPGA disconnects leading between LTE baseband signal plate and intermediate frequency FPGA after the arrival of entry-into-force time point
Road, and the access being connected between the corresponding TD-SCMAD baseband signal plate of the standard in running parameter and intermediate frequency FPGA；In and
Frequency FPGA sets the frequency point of radio-frequency channel according to the RF spot in running parameter, and is penetrated according to the gain setting in running parameter
The gain of frequency signal.
When it is implemented, intermediate frequency FPGA is disconnected between the first baseband signal plate and intermediate frequency FPGA after the arrival of entry-into-force time point
Access, and the access being connected between the corresponding second baseband signal plate of the standard in running parameter and intermediate frequency FPGA, thus real
Now to the selection of the signal of communication of different systems.In addition, intermediate frequency FPGA is logical according to the RF spot setting radio frequency in running parameter
The frequency point in road, and according to the gain of the gain setting radiofrequency signal in running parameter, to guarantee the selected communication of intermediate frequency FPGA
Signal can smoothly be sent to terminal.
As shown in figure 4, the present invention provides a kind of timing diagram of method for switching over configuration, including the behaviour of master control borad
Make subsystem, intermediate frequency FPGA, LTE baseband signal plate and TD-SCAMD baseband signal plate.
Step 400, the operational subsystems of master control borad obtain the current time of system；
Step 401, the work that master control borad uses after reaching to intermediate frequency FPGA configuration take-effective time point and entry-into-force time point
Parameter；
Step 402, master control borad configures the sending time point that switching request message is sent to terminal to LTE high level；
Step 403, LTE high level feeds back to master control borad standard switching response message；
Step 404, master control borad notifies TD-SCAMD high level standard switching request；
Step 405, TD-SCAMD high level feeds back to master control borad standard switching response message；
Step 406, sending time point is arrived, LTE high level sends switching command message to terminal；
Step 407, intermediate frequency FPGA carries out standard switching after entry-into-force time point arrival；
Step 408, UE access system.
In the embodiment of the present invention, multimode instrument configures items to intermediate frequency FPGA when switching over configuration, through master control borad
Running parameter, and the first baseband signal plate configuration to intermediate frequency FPGA configuration take-effective time point and into the multimode instrument
Sending time point sends switching request message so that terminal from the first baseband signal plate to terminal when sending time point is reached
It switches over, after the completion of terminal switching and when entry-into-force time point reaches, the work in every parameter for being allocated to intermediate frequency FPGA starts
It comes into force and carries out standard switching.In this way, during the entire handover configurations of multimode instrument, not need combiner to two paths of signals
It is combined, reduces the component of gauge internal, thus reduce volume, while also reducing the cost of multimode instrument.
Above by reference to showing according to the method, apparatus (system) of the embodiment of the present application and/or the frame of computer program product
Figure and/or flow chart describe the application.It should be understood that can realize that block diagram and or flow chart is shown by computer program instructions
The combination of the block of a block and block diagram and or flow chart diagram for figure.These computer program instructions can be supplied to logical
With computer, the processor of special purpose computer and/or other programmable data processing units, to generate machine, so that via meter
The instruction that calculation machine processor and/or other programmable data processing units execute creates for realizing block diagram and or flow chart block
In specified function action method.
Correspondingly, the application can also be implemented with hardware and/or software (including firmware, resident software, microcode etc.).More
Further, the application can take computer usable or the shape of the computer program product on computer readable storage medium
Formula has the computer realized in the medium usable or computer readable program code, to be made by instruction execution system
It is used with or in conjunction with instruction execution system.In the present context, computer can be used or computer-readable medium can be with
It is arbitrary medium, may include, stores, communicates, transmits or transmit program, is made by instruction execution system, device or equipment
With, or instruction execution system, device or equipment is combined to use.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of method for switching over configuration, which is characterized in that this method comprises:
Intermediate frequency on-site programmable gate array FPGA configuration take-effective time of the master control borad into the multimode instrument in multimode instrument
Point and the first baseband signal plate connecting into the multimode instrument with the intermediate frequency FPGA configure sending time point, wherein institute
It states entry-into-force time point and is later than the sending time point, and the duration between entry-into-force time point and sending time point is greater than
Switching request message is transferred to the duration of terminal from the first baseband signal plate；
The first baseband signal plate sends switching request to target terminal and disappears before the sending time point or when reaching
Breath；
The intermediate frequency FPGA carries out standard switching after entry-into-force time point arrival.
2. the method as described in claim 1, which is characterized in that the master control borad determines the sending time in the following manner
Point:
The master control borad determines the sending time point according to the current time of system and preset configuration preparation interval time；
Wherein, the configuration prepares the duration that interval time is master control borad configuration take-effective time point and sending time point.
3. the method as described in claim 1, which is characterized in that the master control borad determines the entry-into-force time in the following manner
Point:
The master control borad prepares interval time according to the current time of system, preset configuration and the preset switching waiting time is true
The fixed entry-into-force time point；
Wherein, the switching waiting time is the duration that switching request signal is transferred to terminal from the first baseband signal plate.
4. the method as described in claim 1, which is characterized in that this method further include:
The master control borad configures the running parameter used after the entry-into-force time point reaches to the intermediate frequency FPGA；
Wherein, the running parameter includes some or all of in following:
Standard, RF spot, gain.
5. method as claimed in claim 4, which is characterized in that the intermediate frequency FPGA is carried out after entry-into-force time point arrival
Standard switching, comprising:
The intermediate frequency FPGA disconnects the access between the first baseband signal plate and intermediate frequency FPGA after entry-into-force time point arrival,
And the access between the corresponding second baseband signal plate of standard being connected in the running parameter and intermediate frequency FPGA；And
The intermediate frequency FPGA sets the frequency point of radio-frequency channel according to the RF spot in the running parameter, and according to the work
The gain of gain setting radiofrequency signal in parameter.
6. a kind of multimode instrument for switching over configuration, which is characterized in that the multimode instrument include: master control borad, intermediate frequency FPGA and
At least two baseband signal plates；
Master control borad, for the intermediate frequency FPGA configuration take-effective time point and into at least two baseband signals plate with institute
The the first baseband signal plate configuration sending time point for stating intermediate frequency FPGA connection, wherein when entry-into-force time point is later than the transmission
Between point, and the duration between entry-into-force time point and sending time point is greater than switching request message from the first baseband signal
Plate is transferred to the duration of terminal；
The first baseband signal plate, for sending switching to target terminal and asking before the sending time point or when reaching
Seek message；
The intermediate frequency FPGA, for carrying out standard switching after entry-into-force time point arrival.
7. multimode instrument as claimed in claim 6, which is characterized in that the master control borad is specifically used for, in the following manner really
The fixed sending time point:
The sending time point is determined according to the current time of system and preset configuration preparation interval time；Wherein, described to match
Set the duration for preparing that interval time is master control borad configuration take-effective time point and sending time point.
8. multimode instrument as claimed in claim 6, which is characterized in that the master control borad is specifically used for, in the following manner really
The fixed entry-into-force time point:
It comes into force according to the current time of system, preset configuration preparation interval time and the determination of preset switching waiting time
Time point；Wherein, the switching waiting time is the duration that switching request signal is transferred to terminal from the first baseband signal plate.
9. multimode instrument as claimed in claim 6, which is characterized in that the master control borad is also used to:
The running parameter used after the entry-into-force time point reaches is configured to the intermediate frequency FPGA；Wherein, the running parameter packet
Some or all of include in following: standard, RF spot, gain.
10. multimode instrument as claimed in claim 9, which is characterized in that the intermediate frequency FPGA is specifically used for:
The access between the first baseband signal plate and intermediate frequency FPGA is disconnected after entry-into-force time point arrival, and is connected to the work
Make the corresponding second baseband signal plate of standard in parameter and the access between intermediate frequency FPGA；According to penetrating in the running parameter
Again and again the frequency point of point setting radio-frequency channel, and according to the gain of the gain setting radiofrequency signal in the running parameter.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060059511A (en) * | 2004-11-29 | 2006-06-02 | 엘지전자 주식회사 | System for handover simulation |
| CN103227686A (en) * | 2013-03-29 | 2013-07-31 | 中国电子科技集团公司第四十一研究所 | Mode switch device for multi-mode terminal general-purpose tester and signal processing method of mode switch device |
| CN106941702A (en) * | 2017-04-19 | 2017-07-11 | 上海创远仪器技术股份有限公司 | The method for realizing the detection control of mobile communication terminal switching time |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7876426B2 (en) * | 2007-08-07 | 2011-01-25 | Fluke Corporation | Optical topology for multimode and singlemode OTDR |
| CN102118784A (en) * | 2010-12-28 | 2011-07-06 | 北京星河亮点通信软件有限责任公司 | Hard switching method between TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) and GSM (Global System for Mobile Communication) of multimode terminal comprehensive test instrument |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060059511A (en) * | 2004-11-29 | 2006-06-02 | 엘지전자 주식회사 | System for handover simulation |
| CN103227686A (en) * | 2013-03-29 | 2013-07-31 | 中国电子科技集团公司第四十一研究所 | Mode switch device for multi-mode terminal general-purpose tester and signal processing method of mode switch device |
| CN106941702A (en) * | 2017-04-19 | 2017-07-11 | 上海创远仪器技术股份有限公司 | The method for realizing the detection control of mobile communication terminal switching time |
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