CN103312771B - private network communication data processing method and device - Google Patents
private network communication data processing method and device Download PDFInfo
- Publication number
- CN103312771B CN103312771B CN201310150427.5A CN201310150427A CN103312771B CN 103312771 B CN103312771 B CN 103312771B CN 201310150427 A CN201310150427 A CN 201310150427A CN 103312771 B CN103312771 B CN 103312771B
- Authority
- CN
- China
- Prior art keywords
- data
- user
- communication data
- receiver
- report
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of private network communication data processing method and device, wherein, private network communication data processing method comprises: receiver receives multi-user's carrier data of non-standard Long Term Evolution transmission, the hardware unit in described receiver is used to carry out fast Fourier transform to described multi-user's carrier data, and use described hardware unit to carry out channel estimating according to the result of described fast Fourier transform, obtain the communication data after described channel estimating; Communication data after described channel estimating is carried out to the reception process of setting order; Channel-decoding is carried out to the communication data after described reception process.By the present invention, reach the support both met the flexibility required for non-standard LTE channel, in turn ensure that chip obtains the effect of a best balance point on area and power consumption.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of based on LTE(LongTermEvolution, Long Term Evolution) processing method of communication data when received communication data of the private network of the communication technology and device.
Background technology
LTE is the evolution of 3G, it improves and enhances the aerial access technology of 3G, in the peak rate of raising up-downgoing transfer of data, the performance improving Cell Edge User, raising cell capacity, reduction system delay etc., there is good performance, be applied to more and more widely in various private network and public network.
Along with the development of LTE, outside standard LTE channel, more non-standard LTE channel has also dropped into use.For the private network (the special public security net network as based on LTE) based on LTE, when base station side is when by standard LTE channel or non-standard LTE channel received communication data, need through the process front end of receiver the FFT(FastFourierTransform of communication data, fast Fourier transform), channel estimating, select user's subcarrier data, user's subcarrier data carried out to equilibrium treatment, the merging of soft bit, after the sequence of operations such as Turbo decoding, corresponding data could be obtained.At present, said process (is also generally or by the mode of whole hardware, all by hardware unit corresponding in receiver) the whole process that carried out LTE channel realize, the whole process having been carried out LTE channel by the mode (the corresponding Software tool also namely, all by arranging in receiver) of whole software are realized.Whole hard-wired mode can obtain best area and power consumption index, but will amendment be difficult to once complete, cannot support the demand that early stage is not considered, this may have the different non-standard LTE channel required particularly unfavorable for having different client at different time.Although and the mode of all software process can obtain best flexibility, solve the problem of non-standard LTE channel to a certain extent, the index such as area and power consumption is difficult to reach best.
How both met the support to the flexibility required for non-standard LTE channel, ensureing that again chip obtains a best balance point on area and power consumption is current problem demanding prompt solution.
Summary of the invention
The invention provides a kind of private network communication data processing method and device, to solve prior art when processing the communication data of non-standard LTE transmission, both cannot meet the support to the flexibility required for non-standard LTE channel, ensure again that chip obtained the problem of a best balance point on area and power consumption.
In order to solve the problem, the invention discloses a kind of private network communication data processing method, comprise: receiver receives multi-user's carrier data of non-standard Long Term Evolution transmission, the hardware unit in described receiver is used to carry out fast Fourier transform to described multi-user's carrier data, and use described hardware unit to carry out channel estimating according to the result of described fast Fourier transform, obtain the communication data after described channel estimating; Communication data after described channel estimating is carried out to the reception process of setting order; Channel-decoding is carried out to the communication data after described reception process; Wherein, reception process communication data after described channel estimating being carried out to setting order comprises: judge current reception process points that present communications data arrive be whether default report communication data report process points, wherein, described current reception process points is the described current starting point receiving process; If not described in report process points, then continue use described hardware unit to present communications data carry out current receptions process, and by process after communication data send to next receive process points, until arrival described in report process points; If described in report process points, then report present communications data to the central processing unit of described receiver by described hardware unit, the reception process of the communication data after being undertaken reporting process points by described central processing unit by the Software tool in described receiver.
Preferably, the reception process of described setting order comprise following one of at least: select user's subcarrier data, spatial processing carried out to the user's subcarrier data selected, carries out log-likelihood ratio process, and carry out soft bit merging; Then, report process points to be one of following described in: after described channel estimating completes and before selecting user's subcarrier data, after selecting user's subcarrier data and before spatial processing is carried out to the user's subcarrier data selected, spatial processing is carried out to the user's subcarrier data selected after and before carrying out log-likelihood ratio process, log-likelihood ratio process complete after and before carrying out soft bit merging, communication data is being carried out in soft bit merging process.
Preferably, after described receiver receives the step of multi-user's carrier data of non-standard Long Term Evolution transmission, use before the hardware unit in described receiver carries out the step of fast Fourier transform to described multi-user's carrier data, also comprise: when described receiver is determined to need to carry out terminal positioning process according to base station scheduling instruction, report the locator data in described multi-user's carrier data to described central processing unit, carry out terminal positioning by described central processing unit by positioning software instrument corresponding in described receiver.
Preferably, the described locator data reported to described central processing unit in described multi-user's carrier data, the step of carrying out terminal positioning by positioning software instrument corresponding in described receiver by described central processing unit comprises: report in described multi-user's carrier data to described central processing unit, carry the data burst of locating information; Fast Fourier transform is carried out to the data of described locating information, to mate different Cyclic Prefix by described central processing unit by described positioning software instrument corresponding in described receiver; Obtain the location reference signals of community according to the result of described fast Fourier transform, carry out terminal positioning by described location reference signals.
Preferably, described to described receive process after the communication data step of carrying out channel-decoding comprise: by the channel decoder of hardware, or, by soft delivery channel decoding tool, to described receive process after communication data carry out channel-decoding.
In order to solve the problem, the invention also discloses a kind of private network communication data processing equipment, described device is arranged in receiver, described device comprises: the first processing module, for receiving multi-user's carrier data of non-standard Long Term Evolution transmission, the hardware unit in described receiver is used to carry out fast Fourier transform to described multi-user's carrier data, and use described hardware unit to carry out channel estimating according to the result of described fast Fourier transform, obtain the communication data after described channel estimating; Second processing module, for carrying out the reception process of setting order to the communication data after described channel estimating; 3rd processing module, for carrying out channel-decoding to the communication data after described reception process; Wherein, described second processing module, specifically for judge current reception process points that present communications data arrive be whether default report communication data report process points, wherein, described current reception process points is the described current starting point receiving process; If not described in report process points, then continue use described hardware unit to present communications data carry out current receptions process, and by process after communication data send to next receive process points, until arrival described in report process points; If described in report process points, then report present communications data to the central processing unit of described receiver by described hardware unit, the reception process of the communication data after being undertaken reporting process points by described central processing unit by the Software tool in described receiver.
Preferably, the reception process of the second processing module to the described setting order that the communication data after described channel estimating carries out comprise following one of at least: select user's subcarrier data, spatial processing is carried out to the user's subcarrier data selected, carry out log-likelihood ratio process, and carry out soft bit merging; Then, report process points to be one of following described in: after described channel estimating completes and before selecting user's subcarrier data, after selecting user's subcarrier data and before spatial processing is carried out to the user's subcarrier data selected, spatial processing is carried out to the user's subcarrier data selected after and before carrying out log-likelihood ratio process, log-likelihood ratio process complete after and before carrying out soft bit merging, communication data is being carried out in soft bit merging process.
Preferably, described private network communication data processing equipment also comprises: locating module, for when described receiver is determined to need to carry out terminal positioning process according to base station scheduling instruction, then after described first processing module receives multi-user's carrier data of non-standard Long Term Evolution transmission, use before the hardware unit in described receiver carries out fast Fourier transform to described multi-user's carrier data, the locator data in described multi-user's carrier data is reported to described central processing unit, terminal positioning is carried out by positioning software instrument corresponding in described receiver by described central processing unit.
Preferably, described locating module, for when described receiver is determined to need to carry out terminal positioning process according to base station scheduling instruction, then after described first processing module receives multi-user's carrier data of non-standard Long Term Evolution transmission, use before the hardware unit in described receiver carries out fast Fourier transform to described multi-user's carrier data, report in described multi-user's carrier data to described central processing unit, carry the data burst of locating information; Fast Fourier transform is carried out to the data of described locating information, to mate different Cyclic Prefix by described central processing unit by described positioning software instrument corresponding in described receiver; Obtain the location reference signals of community according to the result of described fast Fourier transform, carry out terminal positioning by described location reference signals.
Preferably, described 3rd processing module, for the channel decoder by hardware, or, by soft delivery channel decoding tool, channel-decoding is carried out to the communication data after described reception process.
Compared with prior art, the present invention has the following advantages:
The different clients that the present invention is directed to non-standard LTE channel have the different feature required at different time, data are reported a little be put into carried out channel estimating after report process points to any one before channel-decoding, like this, on the one hand, the data volume that hardware reports just decreases; On the other hand, CPU(CentralProcessingUnit, central processing unit) in the intervention of intermediate treatment, can ensure that new demand required for follow-up non-standard LTE channel can by CPU code, but not hardware implementing just can be supported.The minimizing of hardware reported data amount can make chip also be reduced on area and power consumption, and the intervention of CPU in intermediate treatment, effectively can meet the requirement on flexibility of non-standard LTE channel.Visible, pass through the present invention, achieve in the LTE embodiment of standard, add the support to off-gauge LTE channel, and the definition fully taking into account non-standard LTE channel may change required flexibility, simultaneously take into account again the balance of implementation method on area and power consumption, reach the support both met the flexibility required for non-standard LTE channel, in turn ensure that chip obtains the effect of a best balance point on area and power consumption.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of a kind of private network communication data processing method according to the embodiment of the present invention one;
Fig. 2 is the flow chart of steps of a kind of private network communication data processing method according to the embodiment of the present invention two;
Fig. 3 is the flow chart of steps of a kind of private network communication data processing method according to the embodiment of the present invention three;
Fig. 4 is the flow chart of steps of a kind of private network communication data processing method according to the embodiment of the present invention four;
Fig. 5 is the structured flowchart of a kind of private network communication data processing equipment according to the embodiment of the present invention five.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Private network communication data processing scheme of the present invention is mainly used in communication data receive direction, if base station is to the reception process etc. of end-user listening data.Below, by multiple embodiment, communication data processing scheme of the present invention is described.
Embodiment one
With reference to Fig. 1, show the flow chart of steps of a kind of private network communication data processing method according to the embodiment of the present invention one.
The private network communication data processing method of the present embodiment comprises the following steps:
Receiver in step S102:LTE private network receives multi-user's carrier data of non-standard LTE transmission, the hardware unit in receiver is used to carry out FFT(FastFourierTransform to multi-user's carrier data, fast Fourier transform), and use hardware unit to carry out channel estimating according to the result of FFT, obtain the communication data after channel estimating.
Private network communication data processing in the present embodiment realizes all in receivers, in this step, first by the hardware unit in receiver, as hardware chip or module or circuit etc., the FFT that carrier data is carried out and channel estimating, also namely, the FFT carry out carrier data and channel estimating are all by hardware implementing, do not carry out communication data and report in FFT and channel estimation process.It should be noted that, in the present invention, hardware unit, when specific implementation, can be that a hardware unit realizes multiple process, also carries out channel estimating as same hardware chip has both carried out FFT; Also can be that a hardware unit correspondence realizes a process, e.g., a hardware chip carries out FFT, and another hardware chip carries out channel estimating.
Receiver in step S104:LTE private network carries out the reception process of setting order to the communication data after channel estimating.
As front, to the process of the user data received, need receiver through FFT, channel estimating, select user's subcarrier data, user's subcarrier data carried out to equilibrium treatment (comprising SpatialProcess and LLR), the merging of soft bit, after the sequence of operations such as Turbo decoding, corresponding data could be obtained.
Therefore, in the embodiment of the present invention, the reception process of setting order comprise following one of at least: select user's subcarrier data, spatial processing carried out to the user's subcarrier data selected, carries out log-likelihood ratio process, and carry out soft bit merging.
Like this, the current reception process at every turn carried out comprises: judge current reception process points that present communications data arrive be whether default report communication data report process points, wherein, current reception process points is the current starting point receiving process; If not report process points, then continue to use hardware unit to carry out current reception process to present communications data, and send to next to receive process points the communication data after process, report process points until arrive; If report process points, then report present communications data to the central processing unit of receiver by hardware unit, the reception process of the communication data after being undertaken reporting process points by central processing unit by the Software tool in receiver.
Receiver can after channel estimating to channel-decoding in this communication data receiving course, arbitrary current reception process points is defined as reporting process points, instruction can be sent to hardware unit, instruction hardware unit reports communication data to the CPU of receiver, so instruction CPU arranged by receiver in Software tool carry out reporting a little after the receipt of subsequent process of communication data.
In the process that this communication data receives to channel-decoding after channel estimating, comprise the selecting user's subcarrier data, user's subcarrier data is carried out to SpatialProcess process and LLR process of communication data, a series of process that soft bit merges, choose the suitable process points that reports in above process and report communication data.Wherein, the data processing before reporting process points is completed by hardware, and the data processing after reporting process points is completed by software.Therefore, report process points to be one of following: after channel estimating completes and before selecting user's subcarrier data, after selecting user's subcarrier data and before spatial processing is carried out to the user's subcarrier data selected, spatial processing is carried out to the user's subcarrier data selected after and before carrying out log-likelihood ratio process, log-likelihood ratio process complete after and before carrying out soft bit merging, communication data is being carried out in soft bit merging process.
Receiver in step S106:LTE private network to carried out setting order reception process after communication data carry out channel-decoding.
In the present embodiment, by the channel decoder of hardware, or, by soft delivery channel decoding tool, channel-decoding is carried out to the communication data after receiving process.Particularly, Turbo decoding then both can be completed by hardware, also can be completed by software.
It should be noted that, the present embodiment for non-standard LTE channel, but it should be understood by those skilled in the art that standard LTE channel can be suitable for the scheme of the present embodiment equally.
Pass through the present embodiment, different clients for non-standard LTE channel have the different feature required at different time, data are reported a little be put into carried out channel estimating after report process points to any one before channel-decoding, like this, on the one hand, the data volume that hardware reports just decreases; On the other hand, CPU, in the intervention of intermediate treatment, can ensure that new demand required for follow-up non-standard LTE channel can by CPU code, but not hardware implementing just can be supported.The minimizing of hardware reported data amount can make chip also be reduced on area and power consumption, and the intervention of CPU in intermediate treatment, effectively can meet the requirement on flexibility of non-standard LTE channel.Visible, pass through the present embodiment, achieve in the LTE embodiment of standard, add the support to off-gauge LTE channel, and the definition fully taking into account non-standard LTE channel may change required flexibility, simultaneously take into account again the balance of implementation method on area and power consumption, reach the support both met the flexibility required for non-standard LTE channel, in turn ensure that chip obtains the effect of a best balance point on area and power consumption.
Embodiment two
With reference to Fig. 2, show the flow chart of steps of a kind of private network communication data processing method according to the embodiment of the present invention two.
The private network communication data processing method of the present embodiment comprises the following steps:
Step S202: receiver judges whether to need to carry out terminal positioning process according to base station scheduling instruction, if desired, then performs step S206 after step S204; If do not need, then after step S204, perform step S208.
Step S204: receiver receives multi-user's carrier data of non-standard LTE transmission.
Step S206: if desired carry out terminal positioning process, then receiver to report the locator data in multi-user's carrier data to CPU by corresponding module, follow-uply carries out terminal positioning by CPU by corresponding positioning software instrument; Meanwhile, continue to perform step S208.
Also be, when receiver is determined to need to carry out terminal positioning process according to base station scheduling instruction, after the multi-user's carrier data receiving non-standard LTE transmission, before the multi-user's carrier data use hardware carrying out receiving carries out FFT, give CPU by corresponding locator data, carry out terminal positioning process by CPU by software.Wherein, locator data refers to the data containing locating information, as included the data burst etc. of locating information.In this step, corresponding module can be hardware suitable arbitrarily or software function module, can give CPU by locator data.
Preferably, this step, when realizing, can report in multi-user's carrier data to CPU, carry the data burst of locating information; FFT is carried out to the data of locating information, to mate different CP(CyclicPrefix, Cyclic Prefix by CPU by the corresponding positioning software instrument arranged in receiver); Then, obtain the PositioningReferenceSignal(location reference signals of community according to the result of FFT), carry out terminal positioning by PositioningReferenceSignal.
In prior art, to the support of different CP, and be all by receiver hardware implementing to the support of location PositioningReferenceSignal, can complete very soon, but complexity be higher and very flexible.PositioningReferenceSignal needs the FFT once multiple adjacent base station being done simultaneously to different CP, but the time interval of doing next time is very large.And the present embodiment realizes this function by software approach, by selecting reported data in the pre-fft, once report some subframes carrying locating information, CPU receives the laggard row relax of these data, the FFT accelerator utilizing software simulating existing hardware to realize has carried out the FFT computing of the different CP of coupling, and filtering object can be realized by the reported result of these distinct symbols of proper method merging treatment, finally can under the condition not affecting Serving cell data receiver, process simultaneously may be furnished with the FFT of multiple neighbor cells of different CP to obtain the PositioningReferenceSignal of respective cell, thus do not affecting under existing LTE realizes prerequisite, support to positioning function is provided flexibly, implementation is simple and flexible, different frameworks can be adapted to again.Certainly, other is suitable for too by the mode of software simulating terminal positioning.
Step S208: carry out terminal positioning process if do not need, then receiver uses the hardware unit in receiver to carry out FFT to multi-user's carrier data of the non-standard LTE transmission received, and use hardware unit to carry out channel estimating according to the result of FFT, obtain the communication data after channel estimating.
Step S210: receiver carries out the reception process of setting order to the communication data after channel estimating.
Comprise: judge current reception process points that present communications data arrive be whether default report communication data report process points, wherein, current reception process points is the current starting point receiving process; If not report process points, then continue to use hardware unit to carry out current reception process to present communications data, and send to next to receive process points the communication data after process, report process points until arrive; If report process points, then report present communications data to the central processing unit of receiver by hardware unit, the reception process of the communication data after being undertaken reporting process points by central processing unit by the Software tool in receiver.
Wherein, the reception process of the setting order that receiver carries out the communication data after channel estimating comprise following one of at least: select user's subcarrier data, spatial processing is carried out to the user's subcarrier data selected, carries out log-likelihood ratio process, and carry out soft bit merging, then, process points is reported to be one of following: after channel estimating completes and what select that user's subcarrier data advance Serial Communication data report, report process points, that after selecting user's subcarrier data and to the user's subcarrier data selected, carries out that SpatialProcess process advance Serial Communication data report reports process points, the user's subcarrier data selected is carried out after SpatialProcess process and carry out that LLR process advance Serial Communication data report report process points, after LLR is completed and report before carrying out soft bit merging report process points, what report in the process of communication data being carried out to soft bit merging reports process points.
Such as, when selection is selected in user's subcarrier data advance Serial Communication data and given the correct time after channel estimating completes, then the receipt of subsequent process of Software tool to the communication data reported mainly comprises: select user's subcarrier data, user's subcarrier data carried out to equilibrium treatment (comprising SpatialProcess and LLR), soft bit merges; When selecting to carry out the user's subcarrier data selected reporting before SpatialProcess and LLR process completes the soft bit merging of laggard row, then the receipt of subsequent process of Software tool to the communication data reported mainly comprises: soft bit merges; When reporting before carrying out LLR process after selecting to carry out SpatialProcess to the user's subcarrier data selected, then the receipt of subsequent process of Software tool to the communication data reported mainly comprises: LLR process and soft bit merge; Give the correct time on selection is carried out in the process of communication data being carried out to soft bit merging, then the receipt of subsequent process of Software tool to the communication data reported mainly comprises: soft bit merged, as data accumulation etc. the later stage except hard-wired early stage soft bit merging treatment.
Step S212: receiver to carried out setting order reception process after communication data carry out channel-decoding.
Wherein, channel-decoding both can carry out channel-decoding by hardware implementing to communication data, as the channel decoder by hardware realizes, also can carry out channel-decoding by software simulating to communication data, as realized by soft delivery channel decoding tool.Channel-decoding both by hardware implementing also by software simulating, realize flexibly, can effectively and existing equipment compatibility.
Preferably, the channel decoder of hardware can be realized by the Turbo accelerator in receiver; And soft delivery channel decoding tool can be realized by the Turbo decoding software instrument in receiver.Also, namely, in this step, the Turbo accelerator of hardware can be passed through, or, by Turbo decoding software instrument, channel-decoding is carried out to the communication data (namely having carried out the communication data after receiving process by Software tool) having carried out receipt of subsequent process.But it should be understood by those skilled in the art that in actual applications, the mode of channel-decoding can also adopt other appropriate ways, is not limited to Turbo decoding process.
By the present embodiment, on the one hand, achieving the process support to different CP, not affecting under existing LTE realizes prerequisite, providing the support to positioning function flexibly; On the other hand, both can support the LTE standard agreement determined, off-gauge LTE channel can have been supported again, and the non-certainty of non-standard LTE channel can have been taken into account, and finally implement the balance on chip area and power consumption.
Embodiment three
With reference to Fig. 3, show the flow chart of steps of a kind of private network communication data processing method according to the embodiment of the present invention three.
The present embodiment reports to select user's subcarrier data advance Serial Communication data after channel estimating completes, and is explained private network communication data processing scheme of the present invention.
The private network communication data processing method of the present embodiment comprises the following steps:
Step S302: receiver judges whether to need to carry out terminal positioning process according to base station scheduling instruction, if desired, then performs step S306 after execution step S304; If do not need, then after execution step S304, directly perform step S308.
Step S304: receiver receives multi-user's carrier data of non-standard LTE transmission.
Step S306: if desired carry out terminal positioning process, then receiver to report the locator data in multi-user's carrier data to CPU by corresponding module, follow-uply carries out terminal positioning by CPU by corresponding positioning software instrument; Meanwhile, continue to perform step S308.
Step S308: carry out terminal positioning process if do not need, then receiver uses the hardware unit in receiver to carry out FFT to multi-user's carrier data of the non-standard LTE transmission received, and the hardware unit in use receiver carries out channel estimating according to the result of FFT, obtains the communication data after channel estimating.
Two hardware units in this step can be identical hardware units, also can be different hardware units.
Step S310: receiver judge current reception process points that present communications data arrive be whether default report communication data report process points, if not, then perform step S312; If so, then step S314 is performed.
Step S312: receiver continues to use hardware unit to carry out current reception process to present communications data, and sends to next to receive process points the communication data after process, returns step S310.
Step S314: receiver reports present communications data to CPU by hardware unit, the reception process of the communication data after being undertaken reporting a little by CPU by the Software tool in receiver.
In the present embodiment, to before selecting user's subcarrier data after channel estimating completes, receiver judge current reception process points that present communications data arrive be default report communication data report process points, then receiver reports communication data to CPU by hardware unit, the receipt of subsequent process of the communication data after being undertaken reporting a little by CPU by the Software tool in receiver.
In this step, Software tool carries out receipt of subsequent process and comprises: select user's subcarrier data, user's subcarrier data carried out to equilibrium treatment (comprising SpatialProcess and LLR) and the merging of soft bit.
Step S316: receiver, to the communication data carried out after setting reception process sequentially, carries out Turbo decoding by Turbo accelerator.
In the present embodiment, channel-decoding is realized by Turbo accelerator.
The present embodiment is after finishing FFT and after channel estimating, the reception data of respective user and channel estimating (are comprised channel estimating, noise estimation etc.) data report together, these data complete follow-up equilibrium, LLR calculating, soft merging treatment by by CPU by corresponding Software tool, complete Turbo process by the Turbo accelerator of hardware again, obtain the information bit of non-standard LTE channel.In addition, when needs are located, reported data in the pre-fft, CPU provides and calculates support to the FFT of the different CP of the corresponding different base station distinct symbols of these reported datas, provides the support to various location algorithm and amendment flexibly.
Embodiment four
With reference to Fig. 4, show the flow chart of steps of a kind of private network communication data processing method according to the embodiment of the present invention four.
The present embodiment, to report before the user's subcarrier data selected being carried out to SpatialProcess and LLR process and completing the soft bit merging of laggard row, is explained private network communication data processing scheme of the present invention.
The private network communication data processing method of the present embodiment comprises the following steps:
Step S402: receiver judges whether to need to carry out terminal positioning process according to base station scheduling instruction, if desired, then performs step S406 after execution step S404; If do not need, then after execution step S304, directly perform step S408.
Step S404: receiver receives multi-user's carrier data of non-standard LTE transmission.
Step S406: if desired carry out terminal positioning process, then receiver to report the locator data in multi-user's carrier data to CPU by corresponding module, follow-uply carries out terminal positioning by CPU by corresponding positioning software instrument; Meanwhile, continue to perform step S408.
Step S408: carry out terminal positioning process if do not need, then receiver uses the hardware unit in receiver to carry out FFT to multi-user's carrier data of the non-standard LTE transmission received, and the hardware unit in use receiver carries out channel estimating according to the result of FFT, obtains the communication data after channel estimating.
Step S410: receiver judge current reception process points that present communications data arrive be whether default report communication data report process points, if not, then perform step S412; If so, then step S414 is performed.
Step S412: receiver continues to use hardware unit to carry out current reception process to present communications data, and sends to next to receive process points the communication data after process, returns step S410.
In the present embodiment, after channel estimating completes, receiver judge current reception process points that present communications data arrive not as preset report communication data report process points, therefore, receiver continues to use hardware unit to carry out current reception process to present communications data, and send to next to receive process points the communication data after process, until receiver is carrying out after SpatialProcess and LLR process completes to the user's subcarrier data selected, arrive soft bit merge before report process points, report communication data to the CPU of receiver by hardware unit again, the receipt of subsequent process of the communication data after being undertaken reporting a little by CPU by the Software tool in receiver.
Step S414: receiver reports present communications data to CPU by hardware unit, the reception process of the communication data after being undertaken reporting a little by CPU by the Software tool in receiver.
Also namely, receiver, after log-likelihood ratio process completes and before carrying out soft bit merging, reports present communications data to CPU, the reception process of the communication data after being undertaken reporting a little by CPU by the Software tool in receiver.
In this step, Software tool carries out receipt of subsequent process and mainly comprises the merging of soft bit.
Step S416: receiver, to the communication data carried out after setting reception process sequentially, carries out Turbo decoding by the Turbo decoding software instrument of receiver.
In the present embodiment, channel-decoding is realized by the Turbo decoding software instrument of receiver, also, and the Turbo process of communication data of having been decoded by the Turbo of pure software.
The present embodiment is finishing FFT, completes and selects user's subcarrier data and after completing equilibrium treatment (SpatialProcess and LLR process), the user of non-standard LTE channel received data and reports.These data by after completing follow-up soft merging treatment by CPU by corresponding Software tool, then by the Turbo of pure software decode completing user data Turbo process after, obtain the information bit of these non-standard LTE channels.In addition, when needs are located, reported data in the pre-fft, CPU provides and calculates support to the FFT of the different CP of the corresponding different base station distinct symbols of these reported datas, provides the support to various location algorithm and amendment flexibly.
Embodiment five
With reference to Fig. 5, show the structured flowchart of a kind of private network communication data processing equipment according to the embodiment of the present invention five.
The private network communication data processing equipment of the present embodiment is arranged in receiver, and this device comprises:
First processing module 502, for receiving multi-user's carrier data of non-standard LTE transmission, the hardware unit in receiver is used to carry out FFT to multi-user's carrier data, and the hardware unit in use receiver carries out channel estimating according to the result of FFT, obtains the communication data after channel estimating.
Second processing module 504, for carrying out the reception process of setting order to the communication data after channel estimating.
3rd processing module 506, for carried out setting order reception process after communication data carry out channel-decoding.
Wherein, the second processing module 504, specifically for judge current reception process points that present communications data arrive be whether default report communication data report process points, wherein, current reception process points is the current starting point receiving process; If not report process points, then continue to use hardware unit to carry out current reception process to present communications data, and send to next to receive process points the communication data after process, report process points until arrive; If report process points, then report present communications data to the central processing unit of receiver by hardware unit, the reception process of the communication data after being undertaken reporting process points by central processing unit by the Software tool in receiver.
Preferably, the reception process of setting that the communication data after the second processing module 504 pairs channel estimating carries out order comprise following one of at least: select user's subcarrier data, spatial processing is carried out to the user's subcarrier data selected, carries out log-likelihood ratio process, and carry out soft bit merging; Then, report process points to be one of following: after channel estimating completes and before selecting user's subcarrier data, after selecting user's subcarrier data and before spatial processing is carried out to the user's subcarrier data selected, spatial processing is carried out to the user's subcarrier data selected after and before carrying out log-likelihood ratio process, log-likelihood ratio process complete after and before carrying out soft bit merging, communication data is being carried out in soft bit merging process.
Preferably, the private network communication data processing equipment of the present embodiment also comprises: locating module 508, for when receiver is determined to need to carry out terminal positioning process according to base station scheduling instruction, then after the first processing module 502 receives multi-user's carrier data of non-standard LTE transmission, before FFT is carried out to the hardware unit in multi-user's carrier data use receiver, report the locator data in multi-user's carrier data to CPU, carry out terminal positioning by CPU by positioning software instrument corresponding in receiver.
Preferably, locating module 508, for when receiver is determined to need to carry out terminal positioning process according to base station scheduling instruction, then after the first processing module 502 receives multi-user's carrier data of non-standard LTE transmission, before in multi-user's carrier data use receiver, hardware unit carries out FFT, report in multi-user's carrier data to CPU, carry the data burst of locating information; FFT is carried out to the data of locating information, to mate different CP by CPU by positioning software instrument corresponding in receiver; Obtain the location reference signals of community according to the result of FFT, carry out terminal positioning by location reference signals.
Preferably, the 3rd processing module 506, for the channel decoder by hardware, or, by soft delivery channel decoding tool, channel-decoding is carried out to the communication data after having carried out setting reception process sequentially.
Preferably, the channel decoder of hardware is Turbo accelerator; Soft delivery channel decoding tool is Turbo decoding software instrument, the 3rd processing module 506, for the Turbo accelerator by hardware, or, by Turbo decoding software instrument, channel-decoding is carried out to the communication data after having carried out setting reception process sequentially.
The private network communication data processing equipment of the present embodiment is used for realizing corresponding private network communication data processing method in aforementioned multiple embodiment of the method, and has the beneficial effect of corresponding embodiment of the method, does not repeat them here.
The receiver that the invention provides communication receiver receives in the process of data, and data report by the arbitrary process points that reports after channel estimating to channel-decoding.Data processing before reporting process points is completed by hardware, the data reported after reporting process points are by after CPU completes follow-up respective handling by software, to be decoded Turbo process by the Turbo accelerator of hardware or the Turbo of software again, obtained the information bit of non-standard LTE channel.Like this, the data volume that hardware reports is very little, goes up with how many just reporting more; And in the intervention of intermediate treatment, CPU can ensure that new demand required for follow-up non-standard LTE channel is by CPU code, but not hardware implementing just can be supported.In addition, the present invention also by reported data before selection FFT, can process these data by software, support the support of various different CP Cyclic Prefix like this, and the support to location PositioningReferenceSignal.
Pass through the present invention, in the LTE embodiment of standard, add the support to off-gauge LTE channel, both the definition having fully taken into account non-standard LTE channel may change required flexibility, also taken into account the balance of implementation method on area and power consumption simultaneously, and the support provided different CP Cyclic Prefix, and the support to location PositioningReferenceSignal.Private network communication data processing scheme of the present invention both can support the LTE standard agreement determined, off-gauge LTE channel can be supported again, and the non-certainty of off-gauge LTE channel can be taken into account, and finally implement the balance on chip area and power consumption.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Above a kind of private network communication data processing method provided by the present invention and device are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a private network communication data processing method, is characterized in that, comprising:
Receiver receives multi-user's carrier data of non-standard Long Term Evolution transmission, the hardware unit in described receiver is used to carry out fast Fourier transform to described multi-user's carrier data, and use described hardware unit to carry out channel estimating according to the result of described fast Fourier transform, obtain the communication data after described channel estimating;
Communication data after described channel estimating is carried out to the reception process of setting order;
Channel-decoding is carried out to the communication data after described reception process;
Wherein, reception process communication data after described channel estimating being carried out to setting order comprises: judge current reception process points that present communications data arrive be whether default report communication data report process points, wherein, described current reception process points is the described current starting point receiving process; If not described in report process points, then continue use described hardware unit to present communications data carry out current receptions process, and by process after communication data send to next receive process points, until arrival described in report process points; If described in report process points, then report present communications data to the central processing unit of described receiver by described hardware unit, the reception process of the communication data after being undertaken reporting process points by described central processing unit by the Software tool in described receiver;
After described receiver receives the step of multi-user's carrier data of non-standard Long Term Evolution transmission, use before the hardware unit in described receiver carries out the step of fast Fourier transform to described multi-user's carrier data, also comprise: when described receiver is determined to need to carry out terminal positioning process according to base station scheduling instruction, report the locator data in described multi-user's carrier data to described central processing unit, carry out terminal positioning by described central processing unit by positioning software instrument corresponding in described receiver.
2. method according to claim 1, is characterized in that,
The reception process of described setting order comprise following one of at least: select user's subcarrier data, spatial processing carried out to the user's subcarrier data selected, carries out log-likelihood ratio process, and carry out soft bit merging; Then,
The described process points that reports is one of following: after described channel estimating completes and before selecting user's subcarrier data, after selecting user's subcarrier data and before spatial processing is carried out to the user's subcarrier data selected, spatial processing is carried out to the user's subcarrier data selected after and before carrying out log-likelihood ratio process, log-likelihood ratio process complete after and before carrying out soft bit merging, communication data is being carried out in soft bit merging process.
3. method according to claim 1, it is characterized in that, the described locator data reported to described central processing unit in described multi-user's carrier data, the step of carrying out terminal positioning by positioning software instrument corresponding in described receiver by described central processing unit comprises:
Report in described multi-user's carrier data to described central processing unit, carry the data burst of locating information;
Fast Fourier transform is carried out to the data of described locating information, to mate different Cyclic Prefix by described central processing unit by described positioning software instrument corresponding in described receiver;
Obtain the location reference signals of community according to the result of described fast Fourier transform, carry out terminal positioning by described location reference signals.
4. method according to claim 1, is characterized in that, described to described receive process after the communication data step of carrying out channel-decoding comprise:
By the channel decoder of hardware, or, by soft delivery channel decoding tool, channel-decoding is carried out to the communication data after described reception process.
5. a private network communication data processing equipment, is characterized in that, described device is arranged in receiver, and described device comprises:
First processing module, for receiving multi-user's carrier data of non-standard Long Term Evolution transmission, the hardware unit in described receiver is used to carry out fast Fourier transform to described multi-user's carrier data, and use described hardware unit to carry out channel estimating according to the result of described fast Fourier transform, obtain the communication data after described channel estimating;
Second processing module, for carrying out the reception process of setting order to the communication data after described channel estimating;
3rd processing module, for carrying out channel-decoding to the communication data after described reception process;
Wherein, described second processing module, specifically for judge current reception process points that present communications data arrive be whether default report communication data report process points, wherein, described current reception process points is the described current starting point receiving process; If not described in report process points, then continue use described hardware unit to present communications data carry out current receptions process, and by process after communication data send to next receive process points, until arrival described in report process points; If described in report process points, then report present communications data to the central processing unit of described receiver by described hardware unit, the reception process of the communication data after being undertaken reporting process points by described central processing unit by the Software tool in described receiver;
Locating module, for when described receiver is determined to need to carry out terminal positioning process according to base station scheduling instruction, then after described first processing module receives multi-user's carrier data of non-standard Long Term Evolution transmission, use before the hardware unit in described receiver carries out fast Fourier transform to described multi-user's carrier data, report the locator data in described multi-user's carrier data to described central processing unit, carry out terminal positioning by described central processing unit by positioning software instrument corresponding in described receiver.
6. device according to claim 5, is characterized in that,
The reception process of the second processing module to the described setting order that the communication data after described channel estimating carries out comprise following one of at least: select user's subcarrier data, spatial processing is carried out to the user's subcarrier data selected, carry out log-likelihood ratio process, and carry out soft bit merging; Then,
The described process points that reports is one of following: after described channel estimating completes and before selecting user's subcarrier data, after selecting user's subcarrier data and before spatial processing is carried out to the user's subcarrier data selected, spatial processing is carried out to the user's subcarrier data selected after and before carrying out log-likelihood ratio process, log-likelihood ratio process complete after and before carrying out soft bit merging, communication data is being carried out in soft bit merging process.
7. device according to claim 5, it is characterized in that, described locating module, for when described receiver is determined to need to carry out terminal positioning process according to base station scheduling instruction, then after described first processing module receives multi-user's carrier data of non-standard Long Term Evolution transmission, use before the hardware unit in described receiver carries out fast Fourier transform to described multi-user's carrier data, report in described multi-user's carrier data to described central processing unit, carry the data burst of locating information; Fast Fourier transform is carried out to the data of described locating information, to mate different Cyclic Prefix by described central processing unit by described positioning software instrument corresponding in described receiver; Obtain the location reference signals of community according to the result of described fast Fourier transform, carry out terminal positioning by described location reference signals.
8. device according to claim 5, is characterized in that, described 3rd processing module, for the channel decoder by hardware, or, by soft delivery channel decoding tool, channel-decoding is carried out to the communication data after described reception process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310150427.5A CN103312771B (en) | 2013-04-26 | 2013-04-26 | private network communication data processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310150427.5A CN103312771B (en) | 2013-04-26 | 2013-04-26 | private network communication data processing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103312771A CN103312771A (en) | 2013-09-18 |
| CN103312771B true CN103312771B (en) | 2016-04-06 |
Family
ID=49137548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310150427.5A Active CN103312771B (en) | 2013-04-26 | 2013-04-26 | private network communication data processing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103312771B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444057A (en) * | 2006-03-17 | 2009-05-27 | 北电网络有限公司 | Closed-loop MIMO systems and methods |
| CN101615981A (en) * | 2008-06-27 | 2009-12-30 | 阿尔卡特朗讯 | Be used for method and respective receiver that composite radio signal is decoded |
| CN102349344A (en) * | 2009-03-09 | 2012-02-08 | 日本电气株式会社 | Rank estimation apparatus, receiver, communication system, rank estimation method, and program recording medium |
| CN102612039A (en) * | 2011-01-19 | 2012-07-25 | 中兴通讯股份有限公司 | Trigger method and trigger system for reporting coexistence interference in equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8406319B2 (en) * | 2007-03-27 | 2013-03-26 | Motorola Mobility Llc | Channel estimator with high noise suppression and low interpolation error for OFDM systems |
-
2013
- 2013-04-26 CN CN201310150427.5A patent/CN103312771B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444057A (en) * | 2006-03-17 | 2009-05-27 | 北电网络有限公司 | Closed-loop MIMO systems and methods |
| CN101615981A (en) * | 2008-06-27 | 2009-12-30 | 阿尔卡特朗讯 | Be used for method and respective receiver that composite radio signal is decoded |
| CN102349344A (en) * | 2009-03-09 | 2012-02-08 | 日本电气株式会社 | Rank estimation apparatus, receiver, communication system, rank estimation method, and program recording medium |
| CN102612039A (en) * | 2011-01-19 | 2012-07-25 | 中兴通讯股份有限公司 | Trigger method and trigger system for reporting coexistence interference in equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103312771A (en) | 2013-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110419182B (en) | Method and apparatus for transmitting PBCH and method and apparatus for receiving PBCH | |
| CN109495234B (en) | Method and device for detecting physical downlink control channel | |
| CN112187427B (en) | Method and device for transmitting physical layer protocol data unit | |
| CN109617664B (en) | Decoding method of downlink channel, transmission method of downlink information, user equipment and base station | |
| CN104065605B (en) | Communication means and device on a kind of new wave-carring type carrier wave | |
| US20170359140A1 (en) | Multi-User Code Division Multiple Access Communication Method, and Corresponding Transmitter and Receiver | |
| WO2011150801A1 (en) | Method and device for notifying configuration information for reference signals | |
| CN104640211A (en) | Method, system and equipment for transmitting and receiving data | |
| CN102158446B (en) | Method and device for decoding physical broadcast channel (PBCH) in time division duplex (TDD) system | |
| CN108810059B (en) | Broadcast signal transmitting method, broadcast signal receiving method, network device and terminal device | |
| WO2015106371A1 (en) | Method and apparatus for transmitting and receiving system information | |
| EP3079286B1 (en) | Method and base station apparatus for processing data | |
| US11246169B2 (en) | Communication method, related device, and system | |
| CN103326839A (en) | Method and device for sending and receiving enhanced physical downlink control channel | |
| US8514818B2 (en) | System and methods for generating masking sequences | |
| CN103379070A (en) | RE detection method and apparatus | |
| CN106453189B (en) | It is a kind of to support non-orthogonal multicast method | |
| CN106685625B (en) | User channel estimation method | |
| CN105228078B (en) | A kind of data transmission method and base station and user equipment | |
| CN103312771B (en) | private network communication data processing method and device | |
| CN104519455A (en) | Method, system, and device for transmitting PBCH | |
| CN107018114B (en) | A kind of SCMA code book blind estimating method | |
| CN106161293A (en) | A kind of data transmission method and equipment | |
| CN102611522B (en) | Data reconstruction method and device | |
| CN103067118A (en) | Method for realizing data transmission and apparatus thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191212 Address after: 353, block a, No.79, Jinyi Road, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Newpoint Enterprise Management Group Co.,Ltd. Address before: 100084 A building, Tsinghua Science and Technology Park, No. 1 Qinghua East Road, Beijing, Haidian District 801, China Co-patentee before: INNOFIDEI TECHNOLOGIES Inc. Patentee before: Innofidei Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211220 Address after: 314199 room 401-75, building 1, No. 111, Guigu Second Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiashan novelty intelligent perception computing Co.,Ltd. Address before: 311200 353, block a, 79 Jinyi Road, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Newpoint Enterprise Management Group Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230407 Address after: 311200 353, block a, 79 Jinyi Road, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Newpoint Intelligent Technology Group Co.,Ltd. Address before: 314199 room 401-75, building 1, No. 111, Guigu Second Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: Jiashan novelty intelligent perception computing Co.,Ltd. |