CN103684666A - Method for achieving time-interleaving and time-deinterleaving in NGB-W communication system - Google Patents

Abstract

The invention provides a method for achieving time-interleaving and time-deinterleaving in an NGB-W communication system. The method mainly comprises the following steps: time-interleaving parameters required for achieving time-interleaving and eliminating time-interleaving in the NGB-W communication system are added into a physical layer L1 post-signaling region, a transmitting end completes time-interleaving of data of a physical layer pipe (PLP) within each NGB-W frame according to the time-interleaving parameters, a receiving end acquires time-interleaving parameters of the physical layer pipe (PLP) within each NGB-W frame by demodulating an L1 post-signaling to complete time-deinterleaving of data of the corresponding physical layer pipe (PLP) within each NGB-W frame. Compared with the prior art, through the adoption of the method, the effect of uniform or non-uniform time-interleaving inter-frame convolution-interleaving and intra-frame interleaving cascade of unchangeable or changeable input rate data can be achieved, the achieving of a cascade-type time-interleaving plan by the NGB-W communication system is guaranteed, and meanwhile, the flexibility of achieving time-interleaving of the NGB-W communication system is improved.

Description

In NGB-W communication system, realize the time-interleaved method of time-interleaved reconciliation

Technical field

The present invention relates to the radio and television communications field, particularly a kind ofly in the wireless NGB-W communication system of radio and television of future generation, realize the time-interleaved method of time-interleaved reconciliation.

Background technology

Along with the fast development of World Economics culture, the demand rapid growth of mobile subscriber to information service.Rely on separately traditional broadcast net or traditional bi-directional communication network, all cannot realize the optimize transmissions of mobile message business.And wireless (the Next Generation Broadcasting networks-Wireless of Next generation broadcasting network, NGB-W) communication system, can realize the amalgamation and coexistence of radio broadcasting and two-way communication, be solve mobile message business datum amount rapid growth and wireless network transmissions capacity limited between the effective way of contradiction, the extensive concern that has been subject to academia and industrial circle because of reasonability and the wide market prospects of its technology.

NGB-W communication system traffic is mainly towards terrestrial transmission (transmission environment is complicated and changeable), thereby it may face serious multipath interference problem.In order to improve the reliability of NGB-W signal transmission, NGB-W communication system has been introduced time-interleaved technology.Time-interleaved technology, burst in transmission process can be produced to more concentrated mistake decentralized to greatest extent in time, effectively increase the anti-length of mistake continuously of forward error correction coding (Forward Error Correction, FEC), further improve communication system performance.In NGB-W communication system, different business data flows is inputted different physical layer pipe (Physical Layer Pipes, physical layer pipe PLP), each physical layer pipe PLP carries out time-interleaved at transmitting terminal independently, different physical layer pipe PLP can select different time-interleaved parameter values, multiplexing output after each physical layer pipe PLP data interlacing.Receiving terminal carries out exporting decoding after deinterleaving to required physical layer pipe PLP as required, the business datum that obtains wherein transmitting.

NGB-W communication system scheduler is controlled bit interweaving encoding modulation module by signaling information, makes Bit Interleave code modulation module complete the interweaving encoding modulation to each physical layer pipe PLP according to signaling information.Physical (L1) signaling and physical layer pipe PLP in signaling information are closely related, and it comprises before L1 signaling two parts after signaling and physical layer L1.Before L1 signaling for physical layer L1 after signaling provide and receive the decode needed information, after physical layer L1, signaling provides the required information of physical layer pipe PLP of finding for receiving terminal.After physical layer L1, signaling can be further divided into configurable signaling and dynamic signaling, and wherein, the parameter information in the configurable signaling of L1 remains unchanged in a superframe, can effectively save signaling space; And parameter information in L1 dynamic signaling all can change in the frame period at each NGB-W, for parameter setting provides flexibility.After physical layer L1, signaling provides the various parameters of physical layer pipe PLP, wherein just comprise in each physical layer pipe PLP transmit data and realize time-interleaved required parameter information, be placed on respectively in L1 configurable signaling territory and L1 dynamic signaling territory.NGB-W communication system is carried out dynamic-configuration according to the performance requirement of each physical layer pipe PLP institute bearer service to time-interleaved parameter, transmitting terminal utilizes these parameter information value deadlines to interweave, receiving terminal is known the time-interleaved parameter of each physical layer pipe PLP by demodulation signaling, completes accordingly the deinterleaving of required physical layer pipe PLP business datum.As can be seen here, by the time-interleaved parameter of L1 signalling, can more improve and realize neatly the time-interleaved of each physical layer pipe PLP data.

The deinterleaving method of generally taking in digital communication is block interleaving and convolutional interleave.Block interleaving is also matrix ranks transposition method, and it utilizes a two dimensional memory arrays to realize.During block interleaving, data write by row, by row, read; During deinterleaving, data write by row, by row, read.Block interleaving is simple in structure, but long and required memory of data delay time is larger.Convolutional interleave is the method based on Forney, and it is realized by a plurality of shift register group.Port number and each channel time delay are two important parameter bodies realizing convolutional interleave.The quantity of shift register group that convolutional interleave is used is convolutional deinterleaver port number, and the time delay on each passage is generally the not identical data cycle.The output of interleaver is synchronously exported on each time delay passage the data through time delay successively by the work tempo of input.Deinterleaver has the port number identical with interleaver, and the time delay cycle on each passage is contrary with interleaver, thereby guarantees that time delay is fixed end to end.

Existing broadcast communication standard adopts not identical time-interleaved scheme according to application scenarios separately.DVB-T2 standard is used time-interleaved between simple block interleaving achieve frame or in frame; DVB-SH standard defined four kinds not the convolutional interleave scheme of same alike result realize time-interleaved under same scene not; DVB-NGH study plot face portion consider to be used the interweave time-interleaved scheme of cascade of interframe convolutional interleave and intra block, and it can be in the situation that not reducing order of diversity, effectively realizes growing interweaving.Overall merit and weigh the pluses and minuses of time-interleaved scheme in each standard, the terrestrial broadcasting of NGB-W communication system partly considers to adopt interframe convolutional interleave and the intra block time-interleaved scheme of cascade that interweaves.The time-interleaved scheme of this tandem type can be divided into interleave unit grouping, interframe convolutional interleave and the intra block three phases that interweaves.First, at each NGB-W, in the frame period, all FEC pieces of input are divided into several interleave unit, the interleave unit number that each FEC piece is grouped is identical with the port number of physical layer pipe PLP convolutional deinterleaver of using within the corresponding frame period; Secondly, interframe convolutional interleave is by a plurality of sub-convolutional deinterleaver Parallel Implementation, each sub-convolutional deinterleaver is processed a FEC piece number, the identical interleave unit of size in each FEC piece is sent into respectively in each time delay passage of corresponding sub-convolutional deinterleaver successively, different delay channel setting different delay parameter, and take NGB-W frame as base unit, with convolutional interleave between achieve frame; Finally, at each NGB-W, in the frame period, all interleave unit of each sub-convolutional deinterleaver output are carried out unified intra block and are interweaved.

Between achieve frame during convolutional interleave, the sub-convolutional deinterleaver number using in each NGB-W frame and physical layer pipe PLP each NGB-W in the frame period input data rate relevant.If physical layer pipe PLP input data rate is constant, constant at each NGB-W FEC number of blocks that in the frame period, physical layer pipe PLP carries, the quantity of the parallel sub-convolutional deinterleaver of using of physical layer pipe PLP is also constant, the FEC piece number of inputting in the frame period for each NGB-W.If physical layer pipe PLP data rate is variable, the FEC number of blocks that in each NGB-W frame period, physical layer pipe PLP carries is variable, and the quantity of the parallel sub-convolutional deinterleaver of using of physical layer pipe PLP is also variable.When data rate rises, physical layer pipe PLP is when at NGB-W, in the frame period, FEC piece number starts to increase, and the parallel sub-convolutional deinterleaver number using of physical layer pipe PLP also correspondingly increases.Now, in each NGB-W frame period, use the quantity of sub-convolutional deinterleaver identical with FEC number of blocks in the corresponding NGB-W frame period.And when data rate decline, while being physical layer pipe PLP in the frame period, FEC piece number reduces at NGB-W, physical layer pipe PLP is used the quantity of sub-convolutional deinterleaver no longer identical at the FEC number of blocks of corresponding NGB-W actual input in the frame period with physical layer pipe PLP at each NGB-W in the frame period.Now, need in the frame period, fill appropriate virtual FEC piece at NGB-W, the FEC piece number that makes to fill in rear each frame is identical with the interior sub-convolutional deinterleaver number using of corresponding NGB-W frame period.If effective interleave unit of depositing in certain each time delay passage superior displacement register of sub-convolutional deinterleaver is all output, this sub-convolutional deinterleaver can be abandoned, stop filling virtual FEC piece simultaneously.

From in the time-interleaved scheme of DVB-NGH standard cascade, adopt uniform interframe convolutional interleave different, the time-interleaved scheme of NGB-W standard cascade is considered to adopt interframe convolutional interleave heterogeneous, and the time delay of each passage of convolutional deinterleaver and port number are no longer linear relationships.Therefore time-interleaved parameter cannot be applicable to NGB-W standard completely in DVB-NGH standard.DVB-T2 standard or DVB-SH standard only adopt single interleaving scheme, therefore its interleave parameter information of transmitting in signaling also cannot be applicable to NGB-W standard.

Summary of the invention

The object of the present invention is to provide a kind of time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system, for realize the interweave time-interleaved scheme of cascade of interframe convolutional interleave even or heterogeneous and intra block in NGB-W communication system.

For achieving the above object and other object, the invention provides a kind of time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system, comprise: step 1, configures the interweave time-interleaved required time-interleaved parameter of cascade of convolutional interleave and intra block between each physical layer pipe PLP data achieve frame in signaling after the physical layer L1 in current NGB-W frame; Described time-interleaved parameter comprises: the port number B and the sub-convolutional deinterleaver channel time delay of the loop body L that are configured in the sub-convolutional deinterleaver of each physical layer pipe of the correspondence PLP in the configurable signaling territory of signaling after described physical layer L1; The forward error correction FEC piece that is configured in input in the corresponding NGB-W frame period of loop body of each physical layer pipe of the correspondence PLP in the dynamic signaling territory of signaling after described physical layer L1 is counted N _fECcount N with sub-convolutional deinterleaver _cI; Step 2, transmitting terminal completes the time-interleaved of the data of each physical layer pipe PLP in current NGB-W frame according to the time-interleaved parameter of each physical layer pipe of the correspondence PLP configuring in signaling after physical layer L1 in current NGB-W frame described in step 1; Receiving terminal by physical layer L1 in current NGB-W frame described in demodulation step 1 after signaling know the time-interleaved parameter of respective physical layers pipeline PLP in current NGB-W frame, the solution that completes accordingly the data of each physical layer pipe PLP in current NGB-W frame is time-interleaved.

Alternatively, described step 1 comprises:

After physical layer L1 in the configurable signaling territory of signaling, for each physical layer pipe PLP configuration parameter: the port number B of sub-convolutional deinterleaver; The port number B of described sub-convolutional deinterleaver is in order to indicate current physical layer pipeline PLP at the port number of current NGB-W convolutional deinterleaver of using in the frame period;

After physical layer L1 in the configurable signaling territory of signaling, for each physical layer pipe PLP configuration parameter: the loop body that the sub-convolutional deinterleaver channel time delay L of take is cycling element, each for cycling element L (i) represent, wherein, i 0 ..., B-1; Described sub-convolutional deinterleaver channel time delay L, in order to indicate current physical layer pipeline PLP in the current NGB-W time delay on each passage of sub-convolutional deinterleaver of using in the frame period, be take NGB-W frame as base unit;

After physical layer L1 in the dynamic signaling territory of signaling, for each physical layer pipe PLP configuration parameter: the forward error correction FEC piece of inputting in the frame period with corresponding NGB-W is counted N _fECfor the loop body of cycling element, each cycling element N _fEC(i) represent, wherein, i 0 ..., B-1; In the described corresponding NGB-W frame period, the forward error correction FEC piece of input is counted N _fECin order to current physical layer pipeline PLP after indicating convolutional interleave, be mapped to the data forward error correction FEC piece number that residing corresponding NGB-W inputted in the frame period when inputting convolutional deinterleaver in current NGB-W frame;

After physical layer L1 in the dynamic signaling territory of signaling, for each physical layer pipe PLP configuration parameter: sub-convolutional deinterleaver is counted N _cI; Described sub-convolutional deinterleaver is counted N _cIin order to indicate current physical layer pipeline PLP in the quantity of current NGB-W convolutional deinterleaver of using in the frame period.

Alternatively, for a physical layer pipe PLP, in the configurable signaling territory of the port number B of described sub-convolutional deinterleaver signaling after physical layer L1, take 4 bits; In described configurable signaling territory of take each cycling element signaling after physical layer L1 in the loop body that sub-convolutional deinterleaver channel time delay L is cycling element, take 5 bits; The described forward error correction FEC piece of inputting in the frame period with corresponding NGB-W is counted N _fECin dynamic signaling territory for the signaling after physical layer L1 of each cycling element in the loop body of cycling element, take 10 bits; Described sub-convolutional deinterleaver is counted N _cIafter physical layer L1, in the dynamic signaling territory of signaling, take 10 bits.

Alternatively, described step 2 further comprises:

For a physical layer pipe PLP in current NGB-W frame,

Step 2-1, transmitting terminal is according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame described in step 1, the data that respective physical layers pipeline PLP is inputted in the frame period at current NGB-W are carried out preliminary treatment, the interleave unit grouping of all forward error correction FEC pieces that completes the filling of the virtual forward error correction FEC of current physical layer pipeline PLP piece and comprise the virtual forward error correction FEC piece of effective forward error correction FEC piece and filling in current NGB-W frame;

Step 2-2, transmitting terminal utilizes the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame, current physical layer pipeline PLP convolutional deinterleaver of using in current NGB-W frame is configured, comprises: utilize sub-convolutional deinterleaver to count N _cIcurrent physical layer pipeline PLP is configured in the quantity of current NGB-W convolutional deinterleaver of using in the frame period, utilizes the port number B of sub-convolutional deinterleaver and the port number of all sub-convolutional deinterleaver that the sub-convolutional deinterleaver channel time delay of loop body L is used in current NGB-W frame current physical layer pipeline PLP respectively and each channel time delay to be configured; To the current physical layer pipeline PLP of step 2-1 output, the data in current NGB-W frame are carried out interframe convolutional interleave accordingly;

Step 2-3, transmitting terminal completes after interframe convolutional interleave according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame in step 1, output current physical layer pipeline PLP is mapped to the processing of current NGB-W intraframe data, completes the position reset of effective interleave unit, virtual interleave unit or dwell vessel original state and by calculating, virtual interleave unit or dwell vessel original state that after interframe convolutional interleave, current physical layer pipeline PLP is mapped in current NGB-W frame is deleted;

Step 2-4, transmitting terminal utilizes the forward error correction FEC piece of input in the corresponding NGB-W frame period of the loop body that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame to count N _fEC, obtain current physical layer pipeline PLP and at current NGB-W frame, carry out the columns of the rectangle register that intra block interweaves used; By the current physical layer pipeline PLP after step 2-3 processes, the data in current NGB-W frame write the rectangle register in current NGB-W frame by row accordingly, one one of row interleave unit, press again row sensing element word, complete current physical layer pipeline PLP and interweave in the intra block of current NGB-W intraframe data;

Step 2-5, receiving terminal receives signaling after data demodulation physical layer L1 and obtains carrying out of configuring in signaling after the physical layer L1 of current physical layer pipeline PLP in current NGB-W frame and in frame, separate the interweave time-interleaved required time-interleaved parameter of solution of cascade of block interleaving and interframe deconvolution, and described time-interleaved parameter comprises: the port number B and the sub-convolutional deinterleaver channel time delay of the loop body L that are configured in the sub-convolutional deinterleaver that belongs to current physical layer pipeline PLP in the configurable signaling territory of signaling after described physical layer L1; The forward error correction FEC piece that is configured in input in the corresponding NGB-W frame period of the loop body that belongs to current physical layer pipeline PLP in the dynamic signaling territory of signaling after described physical layer L1 is counted N _fECcount N with sub-convolutional deinterleaver _cI;

Step 2-6, receiving terminal adopts the rectangle register identical with the rectangle register architecture of using in the corresponding NGB-W frame of transmitting terminal in step 2-4 in current NGB-W frame, according to writing the mode of reading by row by row, complete current physical layer pipeline PLP and separate block interleaving in the frame of current NGB-W intraframe data;

Step 2-7, receiving terminal completes the preliminary treatment of the data that belong to current physical layer pipeline PLP that receive in current NGB-W frame according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after the physical layer L1 in the current NGB-W frame demodulating in step 2-5, calculating completes virtual interleave unit or the dwell vessel original state of current physical layer pipeline PLP in current NGB-W frame and recovers, and completes the location restore that current physical layer pipeline PLP is mapped to the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state;

Step 2-8, receiving terminal is configured current physical layer pipeline PLP subsolution convolutional deinterleaver of using in current NGB-W frame according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in the current NGB-W frame demodulating in step 2-5, comprising: utilize sub-convolutional deinterleaver to count N _cIduring to solution interframe convolutional interleave, the quantity of current physical layer pipeline PLP subsolution convolutional deinterleaver of using in current NGB-W frame is configured and utilizes the port number B of sub-convolutional deinterleaver and the sub-convolutional deinterleaver channel time delay of loop body L respectively the port number of each subsolution convolutional deinterleaver and each channel time delay to be configured; Completing accordingly current physical layer pipeline PLP after step 2-7 processes interweaves in the interframe deconvolution of current NGB-W intraframe data;

Step 2-9, after receiving terminal completes deconvolution and interweaves according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in the current NGB-W frame demodulating in step 2-5, current physical layer pipeline PLP is in the processing of current NGB-W intraframe data.

Alternatively, in the input data preliminary treatment in described step 2-1, the filling of virtual forward error correction FEC piece comprises: transmitting terminal is used at current NGB-W current physical layer pipeline PLP convolutional deinterleaver in the frame period is counted N _cIcount N with the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period _fECin first cycling element N _fEC(0) compare; In the situation that both are not identical, in current frame period, appropriate virtual forward error correction FEC piece is filled at current physical layer pipeline PLP data end, thereby makes current physical layer pipeline PLP at current NGB-W, input, comprise in the frame period that the quantity of all forward error correction FEC pieces of virtual forward error correction FEC piece of effective forward error correction FEC piece and filling and the sub-convolutional deinterleaver that current physical layer pipeline PLP is used in current NGB-W frame count N _cIidentical; In described step 2-1, in data preliminary treatment, the grouping of the interleave unit of forward error correction FEC piece comprises: transmitting terminal is inputted current physical layer pipeline PLP, comprises that all forward error correction FEC pieces of the virtual forward error correction FEC piece of effective forward error correction FEC piece and filling are all divided into B interleave unit in the frame period at current NGB-W, wherein, the forward error correction FEC piece of each actual input is divided into B effectively interleave unit, and the virtual forward error correction FEC piece of each filling is divided into B virtual interleave unit.

Alternatively, described step 2-3 further comprises: step 2-3-1, in current NGB-W frame, the effective interleave unit that belongs to current physical layer pipeline PLP, virtual interleave unit or the dwell vessel original state of the output of interframe convolutional interleave are discharged by row, sub-convolutional deinterleaver output unit of a line, total line number is used sub-convolutional deinterleaver to count N by current physical layer pipeline PLP at current NGB-W in the frame period _cIproduct with sub-convolutional deinterleaver port number B;

Step 2-3-2, is used sub-convolutional deinterleaver to count N according to current physical layer pipeline PLP at current NGB-W in the frame period _cIwith sub-convolutional deinterleaver port number B, be calculated as follows and obtain: during by interframe convolutional interleave current physical layer pipeline PLP at current NGB-W in the frame period use the output of each sub-convolutional deinterleaver same delay passage to put together, after the output of same delay passage is not discharged successively, effective interleave unit, virtual interleave unit or the dwell vessel original state present position of each passage output

$\left\{\begin{array}{cc}j=(B-1)*N_{\mathrm{Ci}}+m/B& m\mathrm{mod}B=0\\ j=(\left(m\mathrm{mod}B\right)-1)*N_{\mathrm{CI}}+m/B+1& m\mathrm{mod}B\≠0\end{array}\right.$

Wherein, after m and j represent respectively interframe convolutional interleave, current physical layer pipeline PLP is mapped to the effective interleave unit in current NGB-W frame, the residing line number of virtual interleave unit or dwell vessel original state position reset front and back, and m, and j ∈ (1 ... B*N _cI);

Step 2-3-3, is used sub-convolutional deinterleaver to count N at current NGB-W current physical layer pipeline PLP in the frame period _cIthe forward error correction FEC piece of inputting in the frame period at corresponding NGB-W with loop body current physical layer pipeline PLP is successively counted N _fECin B cycling element N _fEC(i) relatively subtract each other, by following formula, the N that while determining interframe convolutional interleave, current physical layer pipeline PLP is used in the frame period at current NGB-W _cIthe virtual interleave unit of individual sub-convolutional deinterleaver passage i output or the number N of dwell vessel original state _{dUMMY_IU}and line number k,

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left\{\begin{array}{cc}0& N_{\mathrm{CI}}=N_{\mathrm{FEC}}\left(i\right)\\ N_{\mathrm{CI}}-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{CI}}\≠N_{\mathrm{FEC}}\left(i\right)\end{array}\right.$

K=i*N _cI+ N _fEC(i)+l N _cI≠ N _fEC(i) and l ∈ (1 ..., N _cI-N _fEC(i))

Wherein, and k ∈ (1 ..., B*N _cI);

In this way, calculate successively the N that current physical layer pipeline PLP is used in the frame period at current NGB-W _cIindividual sub-convolutional deinterleaver passage 0 is to the virtual interleave unit in channel B-1 output or number and the line number of living in of dwell vessel original state, and the virtual interleave unit or the dwell vessel original state that accordingly current physical layer pipeline PLP after interframe convolutional interleave are mapped in current NGB-W frame are deleted.

Alternatively, the columns that in described step 2-4, current physical layer pipeline PLP carries out the rectangle register that intra block interweaves used in current NGB-W frame for interframe convolutional interleave after current physical layer pipeline PLP be mapped in current NGB-W frame the effectively quantity of interleave unit, in described current NGB-W frame, effectively the quantity of interleave unit is by the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period that belongs to current physical layer pipeline PLP configuring in L1 dynamic signaling territory in current NGB-W frame described in step 1 is counted to N _fECmiddle B cycling element N _fEC(i) value addition obtains.

Alternatively, described step 2-7 further comprises:

Step 2-7-1, in current NGB-W frame, carries out interleave unit restructuring by the unit word of separating block interleaving output in frame, and interleave unit is discharged to interleave unit of a line by row;

Step 2-7-2 is used sub-convolutional deinterleaver to count N current physical layer pipeline PLP in current frame period _cIsuccessively with the corresponding NGB-W of the loop body frame period in the forward error correction FEC piece inputted count N _fECin B cycling element N _fEC(i) relatively subtract each other, by following formula, determine that current physical layer pipeline PLP carries out the N that interframe convolutional interleave is used in current frame period _cIthe virtual interleave unit of individual sub-convolutional deinterleaver passage i output or the number N of dwell vessel original state _{dUMMY_IU}and line number k,

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left\{\begin{array}{cc}0& N_{\mathrm{CI}}=N_{\mathrm{FEC}}\left(i\right)\\ N_{\mathrm{CI}}-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{CI}}\≠N_{\mathrm{FEC}}\left(i\right)\end{array}\right.$

K=i*N _cI+ N _fEC(i)+l N _cI≠ N _fEC(i) and l ∈ (1 ..., N _cI-N _fEC(i))

Wherein, and k ∈ (1 ..., B*N _cI);

In this way, calculate successively the N that transmitting terminal current physical layer pipeline PLP is used in the frame period at current NGB-W _cIindividual sub-convolutional deinterleaver passage 0 is to the virtual interleave unit in channel B-1 output or number and the line number of living in of dwell vessel original state, and virtual interleave unit or the dwell vessel original state of deletion recovers when carrying out data processing for current physical layer pipeline PLP after transmitting terminal convolutional interleave in current NGB-W frame accordingly;

Step 2-7-3, receiving terminal is counted N according to the sub-convolutional deinterleaver of parameter _cIwith sub-convolutional deinterleaver port number B, by following formula, current physical layer pipeline PLP is mapped to the location restore of the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state,

$\left\{\begin{array}{cc}j=(N_{\mathrm{CI}}-1)*B+m/N_{\mathrm{CI}}& m\mathrm{mod}{N}_{\mathrm{CI}}=0\\ j=(\left(m\mathrm{mod}{N}_{\mathrm{CI}}\right)-1)*B+m/N_{\mathrm{CI}}+1& m\mathrm{mod}{N}_{\mathrm{CI}}\≠0\end{array}\right.$

Wherein, m and j represent that respectively current physical layer pipeline PLP is mapped to the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state residing line number before and after location restore.

Alternatively, in step 2-8, each each channel time delay of subsolution convolutional deinterleaver is L (B-1)-L (i).

Alternatively, described step 2-9 further comprises: the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period configuring in signaling after physical layer L1 in the forward error correction FEC piece number that receiving terminal forms the data of current physical layer pipeline PLP being carried out in current NGB-W frame to export after deconvolution interweaves and current NGB-W frame is counted N _fECin B cycling element N _fEC(B-1) make comparisons; If both are identical, represent current physical layer pipeline PLP data to carry out the forward error correction FEC piece that when interframe deconvolution interweaves, output is not filled in current NGB-W frame; If both are not identical, in current NGB-W frame, from current physical layer pipeline PLP data end, start to delete, until current physical layer pipeline PLP be mapped to data volume in current NGB-W frame and transmitting terminal to current physical layer pipeline PLP carry out before data preliminary treatment current physical layer pipeline PLP corresponding NGB-W in the frame period the actual data volume of inputting identical.

Alternatively, the data of current physical layer pipeline PLP in each NGB-W frame are the data of constant bit-rate input or the data of variable bit-rate input.

The time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system provided by the invention, by increasing NGB-W communication system in signaling territory after physical layer L1, realize the time-interleaved required time-interleaved parameter of the time-interleaved reconciliation of tandem type, transmitting terminal completes time-interleaved at each NGB-W intraframe data of physical layer pipe PLP according to these time-interleaved parameters, receiving terminal is known the time-interleaved parameter of physical layer pipe PLP in each NGB-W frame by signaling after demodulation L1, complete accordingly corresponding physical layer pipe PLP time-interleaved in the solution of each NGB-W intraframe data.As can be seen here, the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system provided by the invention, be applicable to the interweave time-interleaved scheme of cascade of even in NGB-W communication system or interframe convolutional interleave heterogeneous and intra block, not only can process constant bit-rate (Constants Bit Rate, CBR) data of input, also can process variable bit-rate (Variable Bit Rate, VBR) data of input, the time-interleaved scheme that realizes tandem type for NGB-W communication system provides very large flexibility.

Accompanying drawing explanation

Fig. 1 is that the present invention realizes the schematic flow sheet of the time-interleaved method of time-interleaved reconciliation in NGB-W communication system.

Fig. 2 completes current physical layer pipeline PLP at the schematic flow sheet of the time-interleaved process S13 of current NGB-W intraframe data at transmitting terminal in Fig. 1.

Fig. 3 completes current physical layer pipeline PLP at the schematic flow sheet of the time-interleaved process S15 of solution of current NGB-W intraframe data at receiving terminal in Fig. 1.

Fig. 4 carries out the time-interleaved data structure diagram of time-interleaved reconciliation for applying the data to constant bit-rate input of the inventive method in a specific embodiment.

Fig. 5 carries out the time-interleaved data structure diagram of time-interleaved reconciliation for applying the data to variable bit-rate input of the inventive method in a specific embodiment.

Embodiment

In view of existing time-interleaved parameter in prior art cannot be applicable to the interweave time-interleaved scheme of cascade of even in NGB-W communication system or interframe convolutional interleave heterogeneous and intra block, the present inventor improves prior art, a kind of time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system has been proposed, by increasing NGB-W communication system in signaling territory after physical layer L1, realize the time-interleaved required time-interleaved parameter of the time-interleaved reconciliation of tandem type, transmitting terminal completes time-interleaved at each NGB-W intraframe data of physical layer pipe PLP according to these time-interleaved parameters, receiving terminal is known the time-interleaved parameter of physical layer pipe PLP in each NGB-W frame by signaling after demodulation L1, the solution that completes accordingly the data of corresponding physical layer pipe PLP in each NGB-W frame is time-interleaved.The method is applicable to the interweave time-interleaved scheme of cascade of even in NGB-W communication system or interframe convolutional interleave heterogeneous and intra block, not only can process constant bit-rate (Constants Bit Rate, CBR) data of input, also can process the data of variable bit-rate (Variable Bit Rate, VBR) input.

Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.

Refer to Fig. 1, shown the schematic flow sheet of realizing the time-interleaved method of time-interleaved reconciliation in NGB-W communication system provided by the invention.It should be noted that, the present invention is application radio and television wireless network of future generation (Next Generation Broadcasting networks-Wireless, NGB-W) system, in NGB-W system, physical layer pipe (Physical Layer Pipes, physical layer pipe PLP; Hereinafter, all with " physical layer pipe PLP ", claim what generation " physical layer pipe " described) can be divided into five types: layer one rear signaling physical layer pipe PLP, the extra check bit physical layer pipe of layer one rear signaling PLP, common physical layer pipeline PLP, Class1 physical layer pipe PLP and type 2 physical layer pipe PLP.

As shown in Figure 1, the present invention realizes the time-interleaved method of time-interleaved reconciliation and comprises in NGB-W communication system: after the physical layer L1 in current NGB-W frame in signaling configures physical layer pipeline PLP data carry out interframe convolutional interleave and intra block interweave the time-interleaved required time-interleaved parametric procedure S11 of cascade, at transmitting terminal, complete current physical layer pipeline PLP and complete current physical layer pipeline PLP at the time-interleaved process S15 of solution of current NGB-W intraframe data at the time-interleaved process S13 of current NGB-W intraframe data with at receiving terminal.

Below to configures physical layer pipeline PLP data in signaling after above-mentioned physical layer L1 in current NGB-W frame carry out interframe convolutional interleave and intra block interweave the time-interleaved required time-interleaved parametric procedure S11 of cascade, at transmitting terminal, complete current physical layer pipeline PLP at the time-interleaved process S13 of current NGB-W intraframe data and complete current physical layer pipeline PLP at receiving terminal and be described in detail at the time-interleaved process S15 of solution of current NGB-W intraframe data.

After physical layer L1 in current NGB-W frame, in signaling, configures physical layer pipeline PLP data are carried out the interweave time-interleaved required time-interleaved parametric procedure S11 of cascade of interframe convolutional interleave and intra block and are comprised:

After physical layer L1 in current NGB-W frame, in signaling, configure the interweave time-interleaved required time-interleaved parameter of cascade of convolutional interleave and intra block between each physical layer pipe PLP data achieve frame; Described time-interleaved parameter comprises: the port number B and the sub-convolutional deinterleaver channel time delay of the loop body L that are configured in the sub-convolutional deinterleaver of each physical layer pipe of the correspondence PLP in the configurable signaling territory of signaling after described physical layer L1; The forward error correction FEC piece that is configured in input in the corresponding NGB-W frame period of loop body of each physical layer pipe of the correspondence PLP in the dynamic signaling territory of signaling after described physical layer L1 is counted N _fECcount N with sub-convolutional deinterleaver _cI.

In actual applications, specifically comprise:

After physical layer L1 in the configurable signaling territory of signaling, for each physical layer pipe PLP configuration parameter: the port number B of sub-convolutional deinterleaver; The port number B of described sub-convolutional deinterleaver is in order to indicate current physical layer pipeline PLP at the port number of current NGB-W convolutional deinterleaver of using in the frame period; In the configurable signaling territory of described parameter " the port number B of sub-convolutional deinterleaver " signaling after physical layer L1, take 4 bits;

After physical layer L1 in the configurable signaling territory of signaling, for each physical layer pipe PLP configuration parameter: the loop body that the sub-convolutional deinterleaver channel time delay L of take is cycling element, each for cycling element L (i) represent, wherein, i 0 ..., B-1; Described sub-convolutional deinterleaver channel time delay L, in order to indicate current physical layer pipeline PLP in the current NGB-W time delay on each passage of sub-convolutional deinterleaver of using in the frame period, be take NGB-W frame as base unit; In configurable signaling territory as " the sub-convolutional deinterleaver channel time delay L " of cycling element signaling after physical layer L1 in described loop body, take 5 bits;

After physical layer L1 in the dynamic signaling territory of signaling, for each physical layer pipe PLP configuration parameter: the forward error correction FEC piece of inputting in the frame period with corresponding NGB-W is counted N _fECfor the loop body of cycling element, each cycling element N _fEC(i) represent, wherein, i 0 ..., B-1; In the described corresponding NGB-W frame period, the forward error correction FEC piece of input is counted N _fECin order to current physical layer pipeline PLP after indicating convolutional interleave, be mapped to the data forward error correction FEC piece number that residing corresponding NGB-W inputted in the frame period when inputting convolutional deinterleaver in current NGB-W frame; In described loop body as cycling element " the forward error correction FEC piece of input is counted N in the corresponding NGB-W frame period _fEC" after physical layer L1, in the dynamic signaling territory of signaling, take 10 bits;

After physical layer L1 in the dynamic signaling territory of signaling, for each physical layer pipe PLP configuration parameter: sub-convolutional deinterleaver is counted N _cI; Described sub-convolutional deinterleaver is counted N _cIin order to indicate current physical layer pipeline PLP in the quantity of current NGB-W convolutional deinterleaver of using in the frame period; Described parameter " is used sub-convolutional deinterleaver to count N in current frame period _cI" after physical layer L1, in the dynamic signaling territory of signaling, take 10 bits.

Refer to table 1, it shown the number of bits that the time-interleaved parameter for each PLP increasing in signaling after physical layer L1 of the present invention and corresponding parameter take in signaling after physical layer L1.

Table 1

Refer to Fig. 2, it completes current physical layer pipeline PLP at the schematic flow sheet of the time-interleaved process S13 of current NGB-W intraframe data in Fig. 1 at transmitting terminal.In conjunction with Fig. 1 and Fig. 2, described time-interleaved process S13 comprises:

Step S131, transmitting terminal is according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame described in step S11, the data that respective physical layers pipeline PLP is inputted in the frame period at current NGB-W are carried out preliminary treatment, the interleave unit grouping of all forward error correction FEC pieces that completes the filling of the virtual forward error correction FEC of current physical layer pipeline PLP piece and comprise the virtual forward error correction FEC piece of effective forward error correction FEC piece and filling in current NGB-W frame.

In the present embodiment, particularly:

In described preliminary treatment, in current NGB-W frame, complete the filling of the virtual forward error correction FEC of current physical layer pipeline PLP piece, comprising: at current NGB-W, in the frame period, use sub-convolutional deinterleaver to count N current physical layer pipeline PLP _cIcount N with the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period _fECin first cycling element N _fEC(0) relatively; In the situation that both are not identical, in current frame period, appropriate virtual forward error correction FEC piece is filled at current physical layer pipeline PLP data end, thereby makes all forward error correction FEC piece numbers of that current physical layer pipeline PLP inputs in current frame period, to comprise effective forward error correction FEC piece and filling virtual forward error correction FEC piece and sub-convolutional deinterleaver that current physical layer pipeline PLP is used in current NGB-W frame count N _cIidentical.

In described preliminary treatment, in current NGB-W frame, complete the interleave unit grouping of all forward error correction FEC pieces of the virtual forward error correction FEC piece that comprises effective forward error correction FEC piece and filling, comprise: current physical layer pipeline PLP is inputted in the frame period at current NGB-W, the all forward error correction FEC pieces that comprise the virtual forward error correction FEC piece of effective forward error correction FEC piece and filling are all divided into B interleave unit, wherein, the forward error correction FEC piece of each actual input is divided into B effectively interleave unit, the virtual forward error correction FEC piece of each filling is divided into B virtual interleave unit.

Step S133, transmitting terminal utilizes the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame, current physical layer pipeline PLP convolutional deinterleaver of using in current NGB-W frame is configured, and to the current physical layer pipeline PLP exporting in step S131, the data in current NGB-W frame are carried out interframe convolutional interleave accordingly.In the present embodiment, the sub-convolutional deinterleaver of current physical layer pipeline PLP being used in current NGB-W frame is configured specifically and comprises: utilize sub-convolutional deinterleaver to count N _cIcurrent physical layer pipeline PLP is configured in the quantity of current NGB-W convolutional deinterleaver of using in the frame period, utilizes the port number B of sub-convolutional deinterleaver and the port number of all sub-convolutional deinterleaver that the sub-convolutional deinterleaver channel time delay of loop body L is used in current NGB-W frame current physical layer pipeline PLP respectively and each channel time delay to be configured.

Step S135, transmitting terminal completes after interframe convolutional interleave according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame, and output current physical layer pipeline PLP is mapped to the processing of current NGB-W intraframe data.

In the present embodiment, in step S135, to exporting the processing of data after interframe convolutional interleave, specifically comprise:

First, in current NGB-W frame, the effective interleave unit that belongs to current physical layer pipeline PLP, virtual interleave unit or the dwell vessel original state of the output of interframe convolutional interleave are discharged by row, sub-convolutional deinterleaver output unit of a line, total line number is used sub-convolutional deinterleaver to count N by current physical layer pipeline PLP at current NGB-W in the frame period _cIproduct with sub-convolutional deinterleaver port number B;

Secondly, according to current physical layer pipeline PLP, at current NGB-W, in the frame period, use sub-convolutional deinterleaver to count N _cIwith sub-convolutional deinterleaver port number B, according to following formula (1), calculate: during by interframe convolutional interleave current physical layer pipeline PLP at current NGB-W in the frame period use the output of each sub-convolutional deinterleaver same delay passage to put together, after the output of same delay passage is not discharged successively, effective interleave unit, virtual interleave unit or the dwell vessel original state present position of each passage output

$\left\{\begin{array}{cc}j=(B-1)*N_{\mathrm{CI}}+m/B& m\mathrm{mod}B=0\\ j=(\left(m\mathrm{mod}B\right)-1)*N_{\mathrm{CI}}+m/B-1& m\mathrm{mod}B\≠0\end{array}\right.---\left(1\right)$

Wherein, after m and j represent respectively interframe convolutional interleave, current physical layer pipeline PLP is mapped to the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state residing line number before and after position reset, and m, and j ∈ (1 ... B*N _cI);

Again, at current NGB-W, in the frame period, use sub-convolutional deinterleaver to count N current physical layer pipeline PLP _cIthe forward error correction FEC piece of inputting in the frame period at corresponding NGB-W with loop body current physical layer pipeline PLP is successively counted N _fECin B cycling element N _fEC(i) relatively subtract each other, according to following formula (2), the N that while determining interframe convolutional interleave, current physical layer pipeline PLP is used in the frame period at current NGB-W _cIthe virtual interleave unit of individual sub-convolutional deinterleaver passage i output or the number N of dwell vessel original state _{dUMMY_IU}and line number k,

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left\{\begin{array}{cc}0& N_{\mathrm{CI}}=N_{\mathrm{FEC}}\left(i\right)\\ N_{\mathrm{CI}}-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{CI}}\≠N_{\mathrm{FEC}}\left(i\right)\end{array}\right.---\left(2\right)$

K=i*N _cI+ N _fEC(i)+l N _cI≠ N _fEC(i) and l ∈ (1 ..., N _cI-N _fEC(i))

Wherein, and k ∈ (1 ..., B*N _cI);

In this way, calculate successively the N that current physical layer pipeline PLP is used in the frame period at current NGB-W _cIindividual sub-convolutional deinterleaver passage 0 is to the virtual interleave unit in channel B-1 output or number and the line number of living in of dwell vessel original state, and the virtual interleave unit or the dwell vessel original state that accordingly current physical layer pipeline PLP after interframe convolutional interleave are mapped in current NGB-W frame are deleted.

Step S137, transmitting terminal utilizes the forward error correction FEC piece of input in the corresponding NGB-W frame period of the loop body that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame to count N _fEC, obtain current physical layer pipeline PLP and at current NGB-W frame, carry out the columns of the rectangle register that intra block interweaves used, complete accordingly current physical layer pipeline PLP and interweave in the intra block of current NGB-W intraframe data.

In the present embodiment, step S137 specifically comprises:

Transmitting terminal utilizes the forward error correction FEC piece of input in the corresponding NGB-W frame period of loop body that belongs to current physical layer pipeline PLP in current NGB-W frame after physical layer L1 in signaling to count N _fECmiddle B cycling element parameter N _fEC(i) value is added, gained summation is the quantity that after interframe convolutional interleave, current physical layer pipeline PLP is mapped to the effective interleave unit in current NGB-W frame, that is, current physical layer pipeline carries out the interweave columns of used rectangle register of intra block in current NGB-W frame; The data that accordingly the current physical layer pipeline PLP after step S133 and step S135 processing are mapped in current NGB-W frame write the corresponding rectangle register of current NGB-W frame by row, one one of row interleave unit, press again row sensing element word, thereby complete current physical layer pipeline PLP, in the intra block of current NGB-W intraframe data, interweave.

By above-mentioned steps S131, to step S137, transmitting terminal is realized the time-interleaved required time-interleaved parameter of tandem type and is completed time-interleaved at current NGB-W intraframe data of current physical layer pipeline PLP according to the NGB-W communication system that increases in signaling territory after physical layer L1 in step S11.

Refer to Fig. 3, it completes current physical layer pipeline PLP at the schematic flow sheet of the time-interleaved process S15 of solution of current NGB-W intraframe data in Fig. 1 at receiving terminal.In conjunction with Fig. 1 and Fig. 2, the time-interleaved process S15 of described solution comprises:

Step S151, receiving terminal receives signaling after data demodulation physical layer L1 and obtains carrying out of configuring in signaling after the physical layer L1 of current physical layer pipeline PLP data in current NGB-W frame and in frame, separate the interweave time-interleaved required time-interleaved parameter of solution of cascade of block interleaving and interframe deconvolution.

In the present embodiment, the time-interleaved parameter that in step S151, the time-interleaved parameter of demodulation acquisition current physical layer pipeline PLP in current NGB-W frame configures in corresponding NGB-W frame for current physical layer pipeline in being in fact above-mentioned steps S11.Specifically, described time-interleaved parameter comprises: be configured in the port number B and the sub-convolutional deinterleaver channel time delay of the loop body L that in the configurable signaling territory of signaling after described physical layer L1, belong to the sub-convolutional deinterleaver of current physical layer pipeline PLP, in the configurable signaling territory of described parameter " the port number B of sub-convolutional deinterleaver " signaling after physical layer L1, take 4 bits, in the configurable signaling territory as " the sub-convolutional deinterleaver channel time delay L " of cycling element signaling after physical layer L1 in described loop body, take 5 bits; The forward error correction FEC piece that is configured in input in the corresponding NGB-W frame period of the loop body that belongs to current physical layer pipeline PLP in the dynamic signaling territory of signaling after described physical layer L1 is counted N _fECcount N with sub-convolutional deinterleaver _cI, in described loop body as cycling element " the forward error correction FEC piece of input is counted N in the corresponding NGB-W frame period _fEC" after physical layer L1, in the dynamic signaling territory of signaling, taking 10 bits, " sub-convolutional deinterleaver is counted N to described parameter _cI" after physical layer L1, in the dynamic signaling territory of signaling, take 10 bits.

Step S153, receiving terminal adopts the rectangle register identical with the rectangle register architecture of using in the corresponding NGB-W frame of transmitting terminal in above-mentioned steps S137 in current NGB-W frame, completes current physical layer pipeline PLP and separate block interleaving in the frame of current NGB-W intraframe data.In the present embodiment, step S153 specifically comprises: rectangle register is provided, the line number of described rectangle register is comprised unit number of words by current physical layer pipeline PLP interleave unit in current NGB-W frame, and columns is in current NGB-W frame, after physical layer L1, in signaling, to belong to the forward error correction FEC piece of inputting in the corresponding NGB-W frame period of loop body of current physical layer pipeline PLP to count N _fECmiddle B cycling element parameter N _fEC(i) summation that value is added, accordingly by current physical layer pipeline PLP the data in current NGB-W frame by row write, by row sensing element word, thereby complete current physical layer pipeline PLP, in the frame of current NGB-W intraframe data, separate block interleaving.

Step S155, receiving terminal completes the preliminary treatment of the data that belong to current physical layer pipeline PLP that receive in current NGB-W frame according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after the physical layer L1 in the current NGB-W frame demodulating in step S151;

In the present embodiment, in step S155, to belonging to the preliminary treatment of the reception data of current physical layer pipeline PLP, specifically comprise:

First, in current NGB-W frame, the unit word of separating block interleaving output is carried out to interleave unit restructuring, and interleave unit is discharged to interleave unit of a line by row in frame;

Secondly, in current frame period, use sub-convolutional deinterleaver to count N current physical layer pipeline PLP _cIsuccessively with the corresponding NGB-W of the loop body frame period in the forward error correction FEC piece inputted count N _fECin B cycling element N _fEC(i) relatively subtract each other, according to following formula (3), determine the current physical layer pipeline PLP N that interframe convolutional interleave is used in current frame period _cIthe virtual interleave unit of individual sub-convolutional deinterleaver passage i output or the number N of dwell vessel original state _{dUMMY_IU}and line number k,

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left\{\begin{array}{cc}0& N_{\mathrm{CI}}=N_{\mathrm{FEC}}\left(i\right)\\ N_{\mathrm{CI}}-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{CI}}\≠N_{\mathrm{FEC}}\left(i\right)\end{array}\right.---\left(3\right)$

K=i*N _cI+ N _fEC(i)+l N _cI≠ N _fEC(i) and l ∈ (1 ..., N _cI-N _fEC(i))

Wherein, and k ∈ (1 ..., B*N _cI);

In this way, calculate successively the N that transmitting terminal current physical layer pipeline PLP is used in the frame period at current NGB-W _cIindividual sub-convolutional deinterleaver passage 0 is to the virtual interleave unit in channel B-1 output or number and the line number of living in of dwell vessel original state, and virtual interleave unit or the dwell vessel original state of deletion recovers when carrying out data processing for current physical layer pipeline PLP after transmitting terminal convolutional interleave in current NGB-W frame accordingly;

Again, receiving terminal is counted N according to the sub-convolutional deinterleaver of parameter _cIwith sub-convolutional deinterleaver port number B, according to following formula (4), current physical layer pipeline PLP is mapped to the location restore of the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state,

$\left\{\begin{array}{cc}j=(N_{\mathrm{CI}}-1)*B+m/N_{\mathrm{CI}}& m\mathrm{mod}{N}_{\mathrm{CI}}=0\\ j=(\left(m\mathrm{mod}{N}_{\mathrm{CI}}\right)-1)*B+m/N_{\mathrm{CI}}+1& m\mathrm{mod}{N}_{\mathrm{CI}}\≠0\end{array}\right.---\left(4\right)$

Wherein, m and j represent that respectively current physical layer pipeline PLP is mapped to the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state residing line number before and after location restore.

Step S157, receiving terminal is configured current physical layer pipeline PLP subsolution convolutional deinterleaver of using in current NGB-W frame according to the time-interleaved parameter configuring in signaling after physical layer L1 in the current NGB-W frame demodulating in step S151, to complete current physical layer pipeline PLP, in the interframe deconvolution of current NGB-W intraframe data, interweaves.In the present embodiment, described configuration specifically comprises: utilize sub-convolutional deinterleaver to count N _cIduring to solution interframe convolutional interleave, the quantity of current physical layer pipeline PLP subsolution convolutional deinterleaver of using in current NGB-W frame is configured and utilizes the port number B of sub-convolutional deinterleaver and the sub-convolutional deinterleaver channel time delay of loop body L respectively the port number of each subsolution convolutional deinterleaver and each channel time delay to be configured, wherein, each each channel time delay of subsolution convolutional deinterleaver kind is L (B-1)-L (i); Completing accordingly current physical layer pipeline PLP after step S153 and step S155 processing interweaves in the interframe deconvolution of current NGB-W intraframe data.

Step S159, after receiving terminal completes deconvolution and interweaves according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in the current NGB-W frame demodulating in step S151, current physical layer pipeline PLP is in the processing of current NGB-W intraframe data.In the present embodiment, in step S159, complete deconvolution and interweave after current physical layer pipeline PLP in the processing of current NGB-W intraframe data, specifically comprise: receiving terminal is counted N by the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period of current physical layer pipeline PLP being carried out in current NGB-W frame configure in signaling after physical layer L1 in the forward error correction FEC piece number that forms of the data of output and current NGB-W frame after deconvolution interweaves _fECin B cycling element N _fEC(B-1) make comparisons; If both are identical, represent current physical layer pipeline PLP data to carry out the forward error correction FEC piece that when interframe deconvolution interweaves, output is not filled in current NGB-W frame; Otherwise, if both are not identical, in current NGB-W frame, from current physical layer pipeline PLP data end, start to delete, until current physical layer pipeline PLP be mapped to data volume in current NGB-W frame and transmitting terminal to current physical layer pipeline PLP carry out before data preliminary treatment current physical layer pipeline PLP corresponding NGB-W in the frame period the actual data volume of inputting identical.

By above-mentioned steps S151 to step S159, by signaling after the physical layer L1 in the current NGB-W frame of demodulation, obtain the time-interleaved parameter of current physical layer pipeline PLP in current NGB-W frame, it is time-interleaved in the solution of current NGB-W intraframe data that receiving terminal completes current physical layer pipeline PLP according to these time-interleaved parameters.

To the concrete application that realize the time-interleaved method of time-interleaved reconciliation in NGB-W communication system provided by the present invention be described with two instantiations below.

The first embodiment:

The time-interleaved parameter that the first embodiment has utilized current physical layer pipeline PLP to configure in signaling after physical layer L1 in each NGB-W frame while having provided the FEC piece number constant (that is, input data are constant bit-rate CBR) that a physical layer pipe PLP inputs in the frame period at each NGB-W is carried out the time-interleaved situation of time-interleaved reconciliation.

Now suppose that current physical layer pipeline PLP arrives the data of the interior input constant bit-rate of frame 5 at frame 1, only have in these 5 frames as previous physical layer pipe PLP; Parameter value in the configurable signaling of L1 remains unchanged in these 5 frames; Parameter value in L1 dynamic signaling changes in each frame, but is the data of constant bit-rate due to what input, and therefore, the sub-convolutional deinterleaver that current physical layer pipeline PLP is used in these 5 frames is counted N _cIidentical.

Refer to table 2, it has shown the setting of the time-interleaved parameter value of the current physical layer pipeline PLP configuring in signaling after physical layer L1 in these 5 frames:

Table 2

Utilize the time-interleaved parameter that configures in signaling after physical layer L1 in each NGB-W frame shown in table 2 to current physical layer pipeline PLP the data in each NGB-W frame to carry out the time-interleaved step of time-interleaved reconciliation as follows:

Step 1-1: in each NGB-W frame, use sub-convolutional deinterleaver to count N within the corresponding frame period current physical layer pipeline PLP _cIin frame period, input forward error correction FEC piece with corresponding NGB-W and count N _fECin first cycling element N _fEC(0) relatively.Here, the sub-convolutional deinterleaver of using within each frame period due to current physical layer pipeline PLP is counted N _cI(=3) count N with input forward error correction FEC piece in the corresponding NGB-W of the loop body frame period in corresponding frame _fECin first cycling element N _fEC(0) (=3) are all identical, therefore, without to current physical layer pipeline PLP the data in these 5 frames carry out virtual forward error correction FEC piece and fill.

Step 1-2: all forward error correction FEC pieces that current physical layer pipeline PLP is inputted within these 5 frame periods are all divided into B=4 interleave unit.

Step 1-3: utilize the sub-convolutional deinterleaver of parameter configuring in signaling after physical layer L1 in each NGB-W frame to count N _cIduring to interframe convolutional interleave, current physical layer pipeline PLP is configured in the quantity of corresponding NGB-W convolutional deinterleaver of using in the frame period, utilize port number B and the sub-convolutional deinterleaver channel time delay of the first loop body L of sub-convolutional deinterleaver respectively the port number of each sub-convolutional deinterleaver and each channel time delay to be configured, to current physical layer pipeline PLP, the data in each frame are carried out the interframe convolutional interleave based on interleave unit accordingly.

Step 1-4: in each NGB-W frame, interleave unit or dwell vessel original state are discharged by row, interleave unit of a line or dwell vessel original state, total line number is used sub-convolutional deinterleaver to count N by current physical layer pipeline PLP within each frame period _cIwith the product of sub-convolutional deinterleaver port number B, that is, and N _{total line number}=N _cI* B=3*4=12.

Step 1-5: in each NGB-W frame, use sub-convolutional deinterleaver to count N in corresponding frame according to current physical layer pipeline PLP _cI=3 and the port number B=4 of each sub-convolutional deinterleaver, by following formula, current physical layer pipeline PLP after interframe convolutional interleave is mapped to interleave unit or the dwell vessel original state position reset in corresponding NGB-W frame,

$\left\{\begin{array}{cc}j=(B-1)*N_{\mathrm{CI}}+m/B& m\mathrm{mod}B=0\\ j=(\left(m\mathrm{mod}B\right)-1)*N_{\mathrm{CI}}+\mathrm{nm}/B+1& m\mathrm{mod}B\≠0\end{array}\right.\underset{B=4}{\overset{N_{\mathrm{CI}}=3}{\→}}$

$\left[\begin{array}{cc}j=(4-1)*3+m/4& m\mathrm{mod}4=0\\ j=(\left(m\mathrm{mod}4\right)-1)*3+m/4+1& m\mathrm{mod}4\≠0\end{array}\right]$

Wherein, after m and j represent respectively interframe convolutional interleave, current physical layer pipeline PLP is mapped to interleave unit or the dwell vessel original state residing line number before and after position reset in corresponding NGB-W frame.

Step 1-6: utilize following formula to calculate successively the N using when current physical layer pipeline PLP data are carried out to interframe convolutional interleave in each frame _cIthe number N of the dwell vessel original state of passage i in=3 sub-convolutional deinterleaver (i=0,1,2,3) output _{dUMMY_IU}and line number k,

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left\{\begin{array}{cc}0& N_{\mathrm{CI}}=N_{\mathrm{FEC}}\left(i\right)\\ N_{\mathrm{CI}}-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{CI}}\≠N_{\mathrm{FEC}}\left(i\right)\end{array}\right.\stackrel{N_{\mathrm{CT}}=3}{\→}$

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left[\begin{array}{cc}0& N_{\mathrm{FEC}}\left(i\right)=3\\ 3-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{FEC}}\left(i\right)\≠3\end{array}\right]$

K=i*N _cI+ N _fEC(i)+l N _cI≠ N _fEC(i) and l ∈ (1 ..., N _cI-N _fEC(i))

$\stackrel{N_{\mathrm{CI}}=3}{\→}k=i*3+N_{\mathrm{FEC}}\left(i\right)+l$ N _fEC(i) ≠ 3 and l ∈ (1 ..., 3-N _fEC(i)) '

In this way, calculate successively the number N of all dwell vessel original states in 4 passages outputs of interior 3 the sub-convolutional deinterleaver of each frame (frame 1 to frame 5) _{dUMMY_IU}and line number k(of living in is as Fig. 4), and the dwell vessel original state in these 5 frames is deleted.

Step 1-7: in each NGB-W frame, the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period is counted to N _fECin 4 cycling element N _fEC(i) value is added, gained summation by current physical layer pipeline PLP in corresponding frame, carry out intra block interweave the columns of use rectangle register, that is, and for frame 1, N _columns(1)=3+0+0+0=3; For frame 2, N _columns(2)=3+3+0+0=6; For frame 3, N _columns(3)=3+3+0+0=6; For frame 4, N _columns(4)=3+3+3+0=9; For frame 5, N _columns(5)=3+3+3+3=12; Accordingly, current physical layer pipeline PLP is write, by row, reads corresponding rectangle register by row at each intraframe data, thereby complete the block interleaving of these 5 intraframe datas of current physical layer pipeline PLP.

Step 1-8: signaling after receiving terminal reception data demodulation physical layer L1, obtain the time-interleaved parameter of current physical layer pipeline PLP in these 5 NGB-W frames.

Step 1-9: in each NGB-W frame, the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period is counted to N _fECin 4 cycling element N _fEC(i) value is added, and gained summation is in corresponding frame frame, to separate the columns that block interleaving is used rectangle register, that is, and and for frame 1, N _columns(1)=3+0+0+0=3; For frame 2, N _columns(2)=3+3+0+0=6; For frame 3, N _columns(3)=3+3+0+0=6; For frame 4, N _columns(4)=3+3+3+0=9; For frame 5, N _columns(5)=3+3+3+3=12; By current physical layer pipeline PLP, the data in each frame write, by row, read corresponding rectangle register by row accordingly, thereby complete the solution block interleaving of these 5 intraframe datas.

Step 1-10: in each NGB-W frame, unit word is carried out to interleave unit restructuring, and interleave unit is discharged to interleave unit of a line by row.

Step 1-11, with step 1-6, in each NGB-W frame, counts N by sub-convolutional deinterleaver _cIsuccessively with the corresponding NGB-W of the loop body frame period in the forward error correction FEC piece inputted count N _fECin 4 cycling element N _fEC(i) relatively subtract each other, thereby after judgement transmitting terminal interframe convolutional interleave, be mapped to number and the position of the dwell vessel original state in each frame, accordingly the dwell vessel original state of deleting in each NGB-W frame after transmitting terminal convolutional interleave is recovered.

Step 1-12: in each NGB-W frame, use sub-convolutional deinterleaver to count N in the frame period according to corresponding NGB-W _cIby following formula, will be mapped to the location restore of interleave unit in present frame or dwell vessel original state with sub-convolutional deinterleaver port number B,

$\left\{\begin{array}{cc}j=(N_{\mathrm{CI}}-1)*B+m/N_{\mathrm{CI}}& m\mathrm{mod}{N}_{\mathrm{CI}}=0\\ j=(\left(m\mathrm{mod}{N}_{\mathrm{CI}}\right)-1)*B+m/N_{\mathrm{CI}}+1& m\mathrm{mod}{N}_{\mathrm{CI}}\≠0\end{array}\right.\underset{B=4}{\overset{N_{\mathrm{CI}}=3}{\→}}$

$\left\{\begin{array}{cc}j=(3-1)*4+m/3& m\mathrm{mod}3=0\\ j=(\left(m\mathrm{mod}3\right)-1)*4+m/3+1& m\mathrm{mod}3\≠0\end{array}\right.$

Wherein, m and j represent that respectively current physical layer pipeline PLP is mapped to interleave unit or the dwell vessel original state residing line number before and after location restore in corresponding NGB-W frame.

Step 1-13: in each NGB-W frame, utilize in the corresponding NGB-W frame period and use sub-convolutional deinterleaver to count N _cIwhen interframe deconvolution is interweaved, current physical layer pipeline PLP is used the quantity of subsolution convolutional deinterleaver to be configured and to utilize the port number B of sub-convolutional deinterleaver and the sub-convolutional deinterleaver channel time delay of loop body L respectively the port number of each subsolution convolutional deinterleaver and each channel time delay to be configured in respective frame, wherein, each each channel time delay of subsolution convolutional deinterleaver kind is L (B-1)-L (i), completes accordingly current physical layer pipeline PLP and interweaves in the interframe deconvolution of each intraframe data.

Step 1-14: data are meeting corresponding delay 4 frames after time-interleaved and deinterleaving, therefore the data of front 4 frames (frame 1 is to frame 4) output are dwell vessel original state.

The second embodiment:

The second embodiment utilizes the time-interleaved parameter configuring in signaling after physical layer L1 in each NGB-W frame to carry out the time-interleaved situation of time-interleaved reconciliation while having provided the FEC number of blocks variation that physical layer pipe PLP inputs in the frame period at each NGB-W (that is, input data are variable bit-rate VBR).

Now suppose that physical layer pipe PLP arrives the interior input of frame 5 FEC piece number at frame 1, only has in these 5 frames as previous physical layer pipe PLP; Parameter value in the configurable signaling of L1 remains unchanged in these 5 frames; Parameter value in the configurable signaling of L1 remains unchanged in these 5 frames; Parameter value in L1 dynamic signaling changes in each frame.

Refer to table 3, it has shown the setting of the time-interleaved parameter value of the current physical layer pipeline PLP configuring in signaling after physical layer L1 in these 5 frames:

Table 3

Utilize the time-interleaved parameter configuring in signaling after physical layer L1 in each NGB-W frame shown in table 3 to carry out the time-interleaved step of time-interleaved reconciliation as follows:

Step 2-1: in each NGB-W frame, will use sub-convolutional deinterleaver to count N in current frame period _cIcount N with forward error correction FEC piece _fECin first cycling element N _fEC(0) relatively.Here, for frame 1, N _cI=2 and N _fEC(0)=2 is identical, therefore do not need to fill virtual FEC piece in frame 1; For frame 2, N _cI=3 and N _fEC(0)=3 is identical, therefore do not need to fill virtual FEC piece in frame 2; For frame 3, N _cI=2 and N _fEC(0)=3 differ 1, therefore need to fill 1 virtual FEC piece frame 3 is interior; For frame 4, N _cI=1 and N _fEC(0)=3 differ 2, therefore need to fill 2 virtual FEC pieces frame 4 is interior; For frame 5, N _cI=2 and N _fEC(0)=3 differ 1, therefore need to fill 1 virtual FEC piece frame 5 is interior.

Step 2-2: all forward error correction FEC pieces that current physical layer pipeline PLP is inputted within these 5 frame periods, comprise that all forward error correction FEC pieces of the forward error correction FEC piece of actual input and the virtual forward error correction FEC piece of filling are all divided into B=4 interleave unit.

Step 2-3: after utilizing the interior physical layer L1 of each NGB-W frame, signaling neutron convolutional deinterleaver is counted N _cIto between current physical layer pipeline PLP conducting frame during convolutional interleave the quantity in corresponding NGB-W convolutional deinterleaver of using in the frame period be configured, utilize port number B and the sub-convolutional deinterleaver channel time delay of the loop body L of sub-convolutional deinterleaver respectively the port number of each sub-convolutional deinterleaver and each channel time delay to be configured, to current physical layer pipeline PLP, the data in each NGB-W frame are carried out the interframe convolutional interleave based on interleave unit accordingly.

Step 2-4: in each NGB-W frame, interleave unit is discharged by row, interleave unit of a line, total line number is used sub-convolutional deinterleaver to count N by current physical layer pipeline PLP within the corresponding frame period _cIwith the product of sub-convolutional deinterleaver port number B, that is, and N _{total line number}=N _cI* B.Particularly, for frame 1, total line number N of interleave unit _{total line number}=N _cI* B=2*4=8; For frame 2,3,4,5, total line number N of interleave unit _{total line number}=N _cI* B=3*4=12.

Step 2-5: the sub-convolutional deinterleaver of using in each NGB-W frame according to current physical layer pipeline PLP is counted N _cI=3 and sub-convolutional deinterleaver port number B=4, by following formula, by the effective interleave unit in each frame, virtual interleave unit or dwell vessel original state position reset,

$\left\{\begin{array}{cc}j=(B-1)*N_{\mathrm{CI}}+m/B& m\mathrm{mod}B=0\\ j=(\left(m\mathrm{mod}B\right)-1)*N_{\mathrm{CI}}+m/B+1& m\mathrm{mod}B\≠0\end{array}\right.\underset{B=4}{\overset{N_{\mathrm{CI}}=3}{\→}}$

$\left\{\begin{array}{cc}j=(4-1)*3+m/4& m\mathrm{mod}4=0\\ j=(\left(m\mathrm{mod}4\right)-1)*3+m/4+1& m\mathrm{mod}4\≠0\end{array}\right.$

Wherein, m and j represent to be respectively mapped to the effective interleave unit in each NGB-W frame, virtual interleave unit or dwell vessel original state residing line number before and after position reset after interframe convolutional interleave.

Step 2-6: in each NGB-W frame, utilize following formula, the subsolution convolutional deinterleaver that current physical layer pipeline PLP is used within the corresponding frame period is counted N _cIsuccessively with the corresponding NGB-W of the loop body frame period in the forward error correction FEC piece inputted count N _fECin 4 cycling element N _fEC(i) relatively subtract each other, determine that current physical layer pipeline PLP carries out interframe convolutional interleave and uses the virtual interleave unit of all sub-convolutional deinterleaver passage i outputs or the number N of dwell vessel original state in corresponding frame _{dUMMY_IU}and line number k,

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left\{\begin{array}{cc}0& N_{\mathrm{CI}}=N_{\mathrm{FEC}}\left(i\right)\\ N_{\mathrm{CI}}-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{CI}}\≠N_{\mathrm{FEC}}\left(i\right)\end{array}\right.\stackrel{N_{\mathrm{CI}}=3}{\→}$

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left\{\begin{array}{cc}0& N_{\mathrm{FEC}}\left(i\right)=3\\ 3-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{FEC}}\left(i\right)\≠3\end{array}\right.$

K=i*N _cI+ N _fEC(i)+l N _cI≠ N _fEC(i) and l ∈ (1 ..., N _cI-N _fEC(i))

$\stackrel{N_{\mathrm{CI}}=3}{\→}k=i*3+N_{\mathrm{FEC}}\left(i\right)+l$ N _fEC(i) ≠ 3 and l ∈ (1 ..., 3-N _fEC(i))

In this way, first, calculate successively all virtual interleave unit in 4 passages outputs of interior 3 the sub-convolutional deinterleaver of each NGB-W frame (frame 1 to frame 5) or the number N of dwell vessel original state _{dUMMY_IU}and line number k of living in; (as Fig. 5), and the virtual interleave unit in these 5 frames or dwell vessel original state are deleted.

Step 2-7: in each NGB-W frame, the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period is counted to N _fECin 4 cycling element N _{fEC (}i) value is added, gained summation by current physical layer pipeline PLP in corresponding frame, carry out intra block interweave the columns of use rectangle register, that is, and for frame 1, N _columns(1)=2+0+0+0=2; For frame 2, N _columns(2)=3+2+0+0=5; For frame 3, N _columns(3)=2+3+0+0=5; For frame 4, N _columns(4)=1+2+2+0=5; For frame 5, N _columns(5)=2+1+3+2=8; Accordingly, the data by current physical layer pipeline PLP in each frame write, by row, read corresponding rectangle register by row, thereby complete current physical layer pipeline PLP at the block interleaving of these 5 intraframe datas.

Step 2-8: signaling after receiving terminal reception data demodulation physical layer L1, obtain the time-interleaved parameter of current physical layer pipeline PLP in these 5 NGB-W frames.

Step 2-9: in each NGB-W frame, the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period is counted to N _fECin 4 cycling element N _fEC(i) value is added, and gained summation is that current physical layer pipeline PLP carries out separating the columns that block interleaving is used rectangle register in frame in corresponding frame, that is, and and for frame 1, N _columns(1)=2+0+0+0=2; For frame 2, N _columns(2)=3+2+0+0=5; For frame 3, N _columns(3)=2+3+0+0=5; For frame 4, N _columns(4)=1+2+2+0=5; For frame 5, N _columns(5)=2+1+3+2=8; By current physical layer pipeline PLP, the data in each frame write, by row, read corresponding rectangle register by row accordingly, thereby complete current physical layer pipeline PLP at the solution block interleaving of these 5 intraframe datas.

Step 2-10: in each NGB-W frame, unit word is carried out to interleave unit restructuring, and interleave unit is discharged to interleave unit of a line by row.

Step 2-11, with step 2-6, in each NGB-W frame, counts N by sub-convolutional deinterleaver _cIsuccessively with the corresponding NGB-W of the loop body frame period in the forward error correction FEC piece inputted count N _fECin 4 cycling element N _fEC(i) relatively subtract each other, thereby after judgement transmitting terminal interframe convolutional interleave, current physical layer pipeline PLP is mapped to virtual interleave unit in each frame or number and the position of dwell vessel original state, accordingly the virtual interleave unit of deleting in each NGB-W frame after transmitting terminal convolutional interleave or dwell vessel original state is recovered.

Step 2-12: in each NGB-W frame, use sub-convolutional deinterleaver to count N according to current physical layer pipeline PLP in the frame period at corresponding NGB-W _cIwith the port number B of each sub-convolutional deinterleaver, by following formula, will be mapped to the location restore of the effective interleave unit in corresponding NGB-W frame, virtual interleave unit or dwell vessel original state,

$\left\{\begin{array}{cc}j=(N_{\mathrm{CI}}-1)*B+m/N_{\mathrm{CI}}& m\mathrm{mod}{N}_{\mathrm{CI}}=0\\ j=((m\mathrm{mod}/N_{\mathrm{CI}})-1)*B+m/N_{\mathrm{CI}}+1& m\mathrm{mod}{N}_{\mathrm{CI}}\≠0\end{array}\right.\underset{B=4}{\overset{N_{\mathrm{CI}}=3}{\→}}$

$\left\{\begin{array}{cc}j=(3-1)*4+m/3& m\mathrm{mod}3=0\\ j=(\left(m\mathrm{mod}3\right)-1)*4+m/3+1& m\mathrm{mod}3\≠0\end{array}\right.$

Wherein, m and j represent that respectively current physical layer pipeline PLP is mapped to the effective interleave unit in corresponding NGB-W frame, virtual interleave unit or dwell vessel original state residing line number before and after location restore.

Step 2-13: in each NGB-W frame, utilize in the corresponding NGB-W frame period and use sub-convolutional deinterleaver to count N _cIinterframe deconvolution is interweaved and in respective frame, uses the quantity of subsolution convolutional deinterleaver to be configured and to utilize the port number B of sub-convolutional deinterleaver and the sub-convolutional deinterleaver channel time delay of loop body L respectively the port number of each subsolution convolutional deinterleaver and each channel time delay to be configured, wherein, each each channel time delay of subsolution convolutional deinterleaver kind is L (B-1)-L (i), completes accordingly current physical layer pipeline PLP and interweaves in the interframe deconvolution of each NGB-W intraframe data.

Step 2-14: data are meeting corresponding delay 4 frames after time-interleaved reconciliation is time-interleaved, therefore the data of front 4 frames (frame 1 is to frame 4) output are dwell vessel original state.In frame 5, separate time-interleaved rear each intraframe data amount and count N with the forward error correction FEC piece in corresponding frame _fECin B cycling element N _fEC(B-1) identical, representing does not have virtual interleave unit in frame 5 after interframe deconvolution interweaves.

In sum, the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system provided by the invention, by increasing NGB-W communication system in signaling territory after physical layer L1, realize the time-interleaved required time-interleaved parameter of the time-interleaved reconciliation of tandem type, transmitting terminal completes time-interleaved at each NGB-W intraframe data of physical layer pipe PLP according to these time-interleaved parameters, receiving terminal is known the time-interleaved parameter of physical layer pipe PLP in each NGB-W frame by signaling after demodulation L1, the solution that completes accordingly the data of corresponding physical layer pipe PLP in each NGB-W frame is time-interleaved.As can be seen here, the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system provided by the invention, be applicable to the interweave time-interleaved scheme of cascade of even in NGB-W communication system or interframe convolutional interleave heterogeneous and intra block, not only can process constant bit-rate (Constants Bit Rate, CBR) data of input, also can process variable bit-rate (Variable Bit Rate, VBR) data of input, the time-interleaved scheme that realizes tandem type for NGB-W communication system provides very large flexibility.

Above-described embodiment just lists expressivity principle of the present invention and effect is described, but not for limiting the present invention.Any person skilled in the art person all can without departing from the spirit and scope of the present invention, modify to above-described embodiment.Therefore, the scope of the present invention, should be as listed in claims.

Claims (8)

1. in NGB-W communication system, realize the time-interleaved method of time-interleaved reconciliation, it is characterized in that, comprising:

Step 1, configures the interweave time-interleaved required time-interleaved parameter of cascade of convolutional interleave and intra block between each physical layer pipe PLP data achieve frame in signaling after the physical layer L1 in current NGB-W frame; Described time-interleaved parameter comprises: the port number B and the sub-convolutional deinterleaver channel time delay of the loop body L that are configured in the sub-convolutional deinterleaver of each physical layer pipe of the correspondence PLP in the configurable signaling territory of signaling after described physical layer L1; The forward error correction FEC piece that is configured in input in the corresponding NGB-W frame period of loop body of each physical layer pipe of the correspondence PLP in the dynamic signaling territory of signaling after described physical layer L1 is counted N _fECcount N with sub-convolutional deinterleaver _cI;

Step 2, transmitting terminal completes the time-interleaved of the data of each physical layer pipe PLP in current NGB-W frame according to the time-interleaved parameter of each physical layer pipe of the correspondence PLP configuring in signaling after physical layer L1 in current NGB-W frame described in step 1; Receiving terminal by physical layer L1 in current NGB-W frame described in demodulation step 1 after signaling know the time-interleaved parameter of respective physical layers pipeline PLP in current NGB-W frame, the solution that completes accordingly the data of each physical layer pipe PLP in current NGB-W frame is time-interleaved.

2. the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system according to claim 1, is characterized in that, described step 1 comprises:

After physical layer L1 in the configurable signaling territory of signaling, for each physical layer pipe PLP configuration parameter: the port number B of sub-convolutional deinterleaver; The port number B of described sub-convolutional deinterleaver is in order to indicate current physical layer pipeline PLP at the port number of current NGB-W convolutional deinterleaver of using in the frame period;

After physical layer L1 in the configurable signaling territory of signaling, for each physical layer pipe PLP configuration parameter: the loop body that the sub-convolutional deinterleaver channel time delay L of take is cycling element, each for cycling element L (i) represent, wherein, i=0 ..., B-1; Described sub-convolutional deinterleaver channel time delay L, in order to indicate current physical layer pipeline PLP in the current NGB-W time delay on each passage of sub-convolutional deinterleaver of using in the frame period, be take NGB-W frame as base unit;

After physical layer L1 in the dynamic signaling territory of signaling, for each physical layer pipe PLP configuration parameter: the forward error correction FEC piece of inputting in the frame period with corresponding NGB-W is counted N _fECfor the loop body of cycling element, each cycling element N _fEC(i) represent, wherein, i 0 ..., B-1; In the described corresponding NGB-W frame period, the forward error correction FEC piece of input is counted N _fECin order to current physical layer pipeline PLP after indicating convolutional interleave, be mapped to the data forward error correction FEC piece number that residing corresponding NGB-W inputted in the frame period when inputting convolutional deinterleaver in current NGB-W frame;

After physical layer L1 in the dynamic signaling territory of signaling, for each physical layer pipe PLP configuration parameter: sub-convolutional deinterleaver is counted N _cI; Described sub-convolutional deinterleaver is counted N _cIin order to indicate current physical layer pipeline PLP in the quantity of current NGB-W convolutional deinterleaver of using in the frame period.

3. the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system according to claim 2, is characterized in that,

For a physical layer pipe PLP,

In the configurable signaling territory of the port number B of described sub-convolutional deinterleaver signaling after physical layer L1, take 4 bits;

In described configurable signaling territory of take each cycling element signaling after physical layer L1 in the loop body that sub-convolutional deinterleaver channel time delay L is cycling element, take 5 bits;

The described forward error correction FEC piece of inputting in the frame period with corresponding NGB-W is counted N _fECin dynamic signaling territory for the signaling after physical layer L1 of each cycling element in the loop body of cycling element, take 10 bits;

Described sub-convolutional deinterleaver is counted N _cIafter physical layer L1, in the dynamic signaling territory of signaling, take 10 bits.

4. the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system according to claim 2, is characterized in that, described step 2 further comprises:

For a physical layer pipe PLP in current NGB-W frame,

Step 2-1, transmitting terminal is according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame described in step 1, the data that respective physical layers pipeline PLP is inputted in the frame period at current NGB-W are carried out preliminary treatment, the interleave unit grouping of all forward error correction FEC pieces that completes the filling of the virtual forward error correction FEC of current physical layer pipeline PLP piece and comprise the virtual forward error correction FEC piece of effective forward error correction FEC piece and filling in current NGB-W frame;

Step 2-2, transmitting terminal utilizes the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame, current physical layer pipeline PLP convolutional deinterleaver of using in current NGB-W frame is configured, comprises: utilize sub-convolutional deinterleaver to count N _cIcurrent physical layer pipeline PLP is configured in the quantity of current NGB-W convolutional deinterleaver of using in the frame period, utilizes the port number B of sub-convolutional deinterleaver and the port number of all sub-convolutional deinterleaver that the sub-convolutional deinterleaver channel time delay of loop body L is used in current NGB-W frame current physical layer pipeline PLP respectively and each channel time delay to be configured; To the current physical layer pipeline PLP of step 2-1 output, the data in current NGB-W frame are carried out interframe convolutional interleave accordingly;

Step 2-3, transmitting terminal completes after interframe convolutional interleave according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame in step 1, output current physical layer pipeline PLP is mapped to the processing of current NGB-W intraframe data, completes the position reset of effective interleave unit, virtual interleave unit or dwell vessel original state and by calculating, virtual interleave unit or dwell vessel original state that after interframe convolutional interleave, current physical layer pipeline PLP is mapped in current NGB-W frame is deleted;

Step 2-4, transmitting terminal utilizes the forward error correction FEC piece of input in the corresponding NGB-W frame period of the loop body that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in current NGB-W frame to count N _fEC, obtain current physical layer pipeline PLP and at current NGB-W frame, carry out the columns of the rectangle register that intra block interweaves used; By the current physical layer pipeline PLP after step 2-3 processes, the data in current NGB-W frame write the rectangle register in current NGB-W frame by row accordingly, one one of row interleave unit, press again row sensing element word, complete current physical layer pipeline PLP and interweave in the intra block of current NGB-W intraframe data;

Step 2-5, receiving terminal receives signaling after data demodulation physical layer L1 and obtains carrying out of configuring in signaling after the physical layer L1 of current physical layer pipeline PLP in current NGB-W frame and in frame, separate the interweave time-interleaved required time-interleaved parameter of solution of cascade of block interleaving and interframe deconvolution, and described time-interleaved parameter comprises: the port number B and the sub-convolutional deinterleaver channel time delay of the loop body L that are configured in the sub-convolutional deinterleaver that belongs to current physical layer pipeline PLP in the configurable signaling territory of signaling after described physical layer L1; The forward error correction FEC piece that is configured in input in the corresponding NGB-W frame period of the loop body that belongs to current physical layer pipeline PLP in the dynamic signaling territory of signaling after described physical layer L1 is counted N _fECcount N with sub-convolutional deinterleaver _cI;

Step 2-6, receiving terminal adopts the rectangle register identical with the rectangle register architecture of using in the corresponding NGB-W frame of transmitting terminal in step 2-4 in current NGB-W frame, according to writing the mode of reading by row by row, complete current physical layer pipeline PLP and separate block interleaving in the frame of current NGB-W intraframe data;

Step 2-7, receiving terminal completes the preliminary treatment of the data that belong to current physical layer pipeline PLP that receive in current NGB-W frame according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after the physical layer L1 in the current NGB-W frame demodulating in step 2-5, calculating completes virtual interleave unit or the dwell vessel original state of current physical layer pipeline PLP in current NGB-W frame and recovers, and completes the location restore that current physical layer pipeline PLP is mapped to the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state;

Step 2-8, receiving terminal is configured current physical layer pipeline PLP subsolution convolutional deinterleaver of using in current NGB-W frame according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in the current NGB-W frame demodulating in step 2-5, comprising: utilize sub-convolutional deinterleaver to count N _cIduring to solution interframe convolutional interleave, the quantity of current physical layer pipeline PLP subsolution convolutional deinterleaver of using in current NGB-W frame is configured and utilizes the port number B of sub-convolutional deinterleaver and the sub-convolutional deinterleaver channel time delay of loop body L respectively the port number of each subsolution convolutional deinterleaver and each channel time delay to be configured; Completing accordingly current physical layer pipeline PLP after step 2-7 processes interweaves in the interframe deconvolution of current NGB-W intraframe data;

Step 2-9, after receiving terminal completes deconvolution and interweaves according to the time-interleaved parameter that belongs to current physical layer pipeline PLP configuring in signaling after physical layer L1 in the current NGB-W frame demodulating in step 2-5, current physical layer pipeline PLP is in the processing of current NGB-W intraframe data.

5. the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system according to claim 4, is characterized in that:

In input data preliminary treatment in described step 2-1, the filling of virtual forward error correction FEC piece comprises: transmitting terminal is used at current NGB-W current physical layer pipeline PLP convolutional deinterleaver in the frame period is counted N _cIcount N with the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period _fECin first cycling element N _fEC(0) compare; In the situation that both are not identical, in current frame period, appropriate virtual forward error correction FEC piece is filled at current physical layer pipeline PLP data end, thereby makes current physical layer pipeline PLP at current NGB-W, input, comprise in the frame period that the quantity of all forward error correction FEC pieces of virtual forward error correction FEC piece of effective forward error correction FEC piece and filling and the sub-convolutional deinterleaver that current physical layer pipeline PLP is used in current NGB-W frame count N _cIidentical;

In described step 2-1, in data preliminary treatment, the grouping of the interleave unit of forward error correction FEC piece comprises: transmitting terminal is inputted current physical layer pipeline PLP, comprises that all forward error correction FEC pieces of the virtual forward error correction FEC piece of effective forward error correction FEC piece and filling are all divided into B interleave unit in the frame period at current NGB-W, wherein, the forward error correction FEC piece of each actual input is divided into B effectively interleave unit, and the virtual forward error correction FEC piece of each filling is divided into B virtual interleave unit.

6. the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system according to claim 4, is characterized in that, described step 2-3 further comprises:

Step 2-3-1, in current NGB-W frame, the effective interleave unit that belongs to current physical layer pipeline PLP, virtual interleave unit or the dwell vessel original state of the output of interframe convolutional interleave are discharged by row, sub-convolutional deinterleaver output unit of a line, total line number is used sub-convolutional deinterleaver to count N by current physical layer pipeline PLP at current NGB-W in the frame period _cIproduct with sub-convolutional deinterleaver port number B;

Step 2-3-2, is used sub-convolutional deinterleaver to count N according to current physical layer pipeline PLP at current NGB-W in the frame period _cIwith sub-convolutional deinterleaver port number B, be calculated as follows and obtain: during by interframe convolutional interleave current physical layer pipeline PLP at current NGB-W in the frame period use the output of each sub-convolutional deinterleaver same delay passage to put together, after the output of same delay passage is not discharged successively, effective interleave unit, virtual interleave unit or the dwell vessel original state present position of each passage output

$\left\{\begin{array}{cc}j=(B-1)*N_{\mathrm{Ci}}+m/B& m\mathrm{mod}B=0\\ j=(\left(m\mathrm{mod}B\right)-1)*N_{\mathrm{CI}}+m/B+1& m\mathrm{mod}B\≠0\end{array}\right.$

Wherein, after m and j represent respectively interframe convolutional interleave, current physical layer pipeline PLP is mapped to the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state residing line number before and after position reset, and m, and j ∈ (1 ... B*N _cI);

Step 2-3-3, is used sub-convolutional deinterleaver to count N at current NGB-W current physical layer pipeline PLP in the frame period _cIthe forward error correction FEC piece of inputting in the frame period at corresponding NGB-W with loop body current physical layer pipeline PLP is successively counted N _fECin B cycling element N _fEC(i) relatively subtract each other, by following formula, the N that while determining interframe convolutional interleave, current physical layer pipeline PLP is used in the frame period at current NGB-W _cIthe virtual interleave unit of individual sub-convolutional deinterleaver passage i output or the number N of dwell vessel original state _{dUMMY_IU}and line number k,

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left\{\begin{array}{cc}0& N_{\mathrm{CI}}=N_{\mathrm{FEC}}\left(i\right)\\ N_{\mathrm{CI}}-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{CI}}\≠N_{\mathrm{FEC}}\left(i\right)\end{array}\right.$

K=i*N _cI+ N _fEC(i)+l N _cI≠ N _fEC(i) and l ∈ (1 ..., N _cI-N _fEC(i))

Wherein, and k ∈ (1 ..., B*N _cI);

In this way, calculate successively the N that current physical layer pipeline PLP is used in the frame period at current NGB-W _cIindividual sub-convolutional deinterleaver passage 0 is to the virtual interleave unit in channel B-1 output or number and the line number of living in of dwell vessel original state, and the virtual interleave unit or the dwell vessel original state that accordingly current physical layer pipeline PLP after interframe convolutional interleave are mapped in current NGB-W frame are deleted.

7. the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system according to claim 4, is characterized in that:

The columns that in described step 2-4, current physical layer pipeline PLP carries out the rectangle register that intra block interweaves used in current NGB-W frame for interframe convolutional interleave after current physical layer pipeline PLP be mapped in current NGB-W frame the effectively quantity of interleave unit, in described current NGB-W frame, effectively the quantity of interleave unit is by the forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period that belongs to current physical layer pipeline PLP configuring in L1 dynamic signaling territory in current NGB-W frame described in step 1 is counted to N _fECmiddle B cycling element N _fEC(i) value addition obtains.

8. the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system according to claim 4, is characterized in that, described step 2-7 further comprises:

Step 2-7-1, in current NGB-W frame, carries out interleave unit restructuring by the unit word of separating block interleaving output in frame, and interleave unit is discharged to interleave unit of a line by row;

Step 2-7-2 is used sub-convolutional deinterleaver to count N current physical layer pipeline PLP in current frame period _cIsuccessively with the corresponding NGB-W of the loop body frame period in the forward error correction FEC piece inputted count N _fECin B cycling element N _fEC(i) relatively subtract each other, by following formula, determine that current physical layer pipeline PLP carries out the N that interframe convolutional interleave is used in current frame period _cIthe virtual interleave unit of individual sub-convolutional deinterleaver passage i output or the number N of dwell vessel original state _{dUMMY_IU}and line number k,

$N_{\mathrm{DUMMY}\_\mathrm{IU}}=\left\{\begin{array}{cc}0& N_{\mathrm{CI}}=N_{\mathrm{FEC}}\left(i\right)\\ N_{\mathrm{CI}}-N_{\mathrm{FEC}}\left(i\right)& N_{\mathrm{CI}}\≠N_{\mathrm{FEC}}\left(i\right)\end{array}\right.$

K=i*N _cI+ N _fEC(i)+l N _cI≠ N _fEC(i) and l ∈ (1 ..., N _cI-N _fEC(i))

Wherein, and k ∈ (1 ..., B*N _cI);

In this way, calculate successively the N that transmitting terminal current physical layer pipeline PLP is used in the frame period at current NGB-W _cIindividual sub-convolutional deinterleaver passage 0 is to the virtual interleave unit in channel B-1 output or number and the line number of living in of dwell vessel original state, and virtual interleave unit or the dwell vessel original state of deletion recovers when carrying out data processing for current physical layer pipeline PLP after transmitting terminal convolutional interleave in current NGB-W frame accordingly;

Step 2-7-3, receiving terminal is counted N according to the sub-convolutional deinterleaver of parameter _cIwith sub-convolutional deinterleaver port number B, by following formula, current physical layer pipeline PLP is mapped to the location restore of the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state,

$\left\{\begin{array}{cc}j=(N_{\mathrm{CI}}-1)*B+m/N_{\mathrm{CI}}& m\mathrm{mod}{N}_{\mathrm{CI}}=0\\ j=(\left(m\mathrm{mod}{N}_{\mathrm{CI}}\right)-1)*B+m/N_{\mathrm{CI}}+1& m\mathrm{mod}{N}_{\mathrm{CI}}\≠0\end{array}\right.$

Wherein, m and j represent that respectively current physical layer pipeline PLP is mapped to the effective interleave unit in current NGB-W frame, virtual interleave unit or dwell vessel original state residing line number before and after location restore.

The time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system according to claim 4, is characterized in that, in step 2-8, each each channel time delay of subsolution convolutional deinterleaver is L (B-1)-L (i).

The time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system according to claim 4, is characterized in that, described step 2-9 further comprises:

The forward error correction FEC piece of inputting in the corresponding NGB-W of the loop body frame period configuring in signaling after physical layer L1 in the forward error correction FEC piece number that receiving terminal forms the data of current physical layer pipeline PLP being carried out in current NGB-W frame to export after deconvolution interweaves and current NGB-W frame is counted N _fECin B cycling element N _fEC(B-1) make comparisons; If both are identical, represent current physical layer pipeline PLP data to carry out the forward error correction FEC piece that when interframe deconvolution interweaves, output is not filled in current NGB-W frame; If both are not identical, in current NGB-W frame, from current physical layer pipeline PLP data end, start to delete, until current physical layer pipeline PLP be mapped to data volume in current NGB-W frame and transmitting terminal to current physical layer pipeline PLP carry out before data preliminary treatment current physical layer pipeline PLP corresponding NGB-W in the frame period the actual data volume of inputting identical.

According to the time-interleaved method of time-interleaved reconciliation that realizes in NGB-W communication system described in claim 1 or 4, it is characterized in that, the data of current physical layer pipeline PLP in each NGB-W frame are the data of constant bit-rate input or the data of variable bit-rate input.

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