CN108989844A - Design method and Transmission system suitable for the received data frame of high-speed motion - Google Patents
Design method and Transmission system suitable for the received data frame of high-speed motion Download PDFInfo
- Publication number
- CN108989844A CN108989844A CN201710406669.4A CN201710406669A CN108989844A CN 108989844 A CN108989844 A CN 108989844A CN 201710406669 A CN201710406669 A CN 201710406669A CN 108989844 A CN108989844 A CN 108989844A
- Authority
- CN
- China
- Prior art keywords
- data frame
- time
- initializing program
- self initializing
- skip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000033001 locomotion Effects 0.000 title claims abstract description 48
- 238000013461 design Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 title abstract description 19
- 238000005516 engineering process Methods 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 5
- 230000011664 signaling Effects 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 7
- 239000002775 capsule Substances 0.000 claims description 4
- 230000002688 persistence Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 238000001228 spectrum Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 11
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005094 computer simulation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2385—Channel allocation; Bandwidth allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of design methods and Transmission system suitable for the received data frame of high-speed motion, it is characterized in that, it include: data frame packet containing mutually cascade self initializing program, preamble and at least one data burst, self initializing program is not transmitted in several data frames or only transmits the part of self initializing program, the gap reserved is for obtaining additional information capacity, wherein, according to data frame duration length by time domain even partition be some time segment, it avoids skipping in the front and back a certain range of time at change moment of technology mode combination TMC, it is evenly distributed within other remaining times and at least one time slice that can skip is set, data frame does not transmit self initializing program or only transmits the part of self initializing program in the time slice that can skip, under the premise of can be realized not influence technique integrated mode change, increase in robustness Strong and information capacity increases by two aspect all gains.
Description
Technical field
The invention belongs to the communications field, more particularly to a kind of it is suitable for the received self initializing program, preceding skipped of high-speed motion
Set a yard method and system.
Background technique
ATSC (Advanced Television System Committee) is first at 03 month 2016 and 09 month 2016
Two standards of A/321 self initializing program and A/322 physical layer protocol are issued afterwards, which is respectively A/321 standard,
System discovery and detection, on March 23rd, 2016；And A/322 standard, physical layer
Protocol, on September 7th, 2016.
Wherein, the preamble (Preamble) of the self initializing program (bootstrap) of A/321 and A/322 partially have phase
It when outstanding performance, is ready for starting ATSC3.0 new demand servicing, which is suitable for 6,7,8 and 2*5=10MHz frequency
Road bandwidth, advantage significant performance is more outstanding, has taken the lead in starting in South Korea.
But deficiency is brought simultaneously in advantage, the standard is in the case of high-speed motion receives and underuses frequency spectrum
In resource, the especially acquisition of additional information capacity.
High-speed motion receives selection for data-frame times=50ms and self initializing program time=2ms herein, but
It is not limited to this.Such as the country /region of different frequency bands width, for 6MHz channel country /region, effective spectrum is not busy
Set rate 10.4%；It can get additional information capacity+0.418% when employing.For 8MHz channel country /region, effective spectrum is not busy
Set rate 10.0%；It can get additional information capacity+0.402% when employing.In addition the 7MHz channel country /region few for number,
, according to ATSC3.0, can all there be this additional information capacity in the whole world in nearly 5 years.
It is known that A/321 occupy 4.5MHz be customize for 2*5=10MHz, the cause of the 2*5MHz be because of
The U.S. 2016-06 FCC starting second wheel 700MHz frequency range television spectrum auction, wherein have 10 to (pairs) channel be according to
2*5MHz accounts for the overwhelming majority of auction frequency spectrum, and the 2*6MHz licensing that policy possesses each broadcast dealer in the U.S. passes through
Auction and preferential policy reform 2*5MHz channel into.In addition to above-mentioned 2*5MHz bandwidth, the effective bandwidth utilization rate point of other channels
Analysis carries out below table analysis, chooses in symbol -2 to the N of bsr_coefficient according to A/321 file, can obtain " base band
The data such as sampling rate ", it is as follows to be shown in Table 1:
The frequency spectrum vacancy rate of 1 self initializing program of table
It is worth important explanation: when high-speed motion receives and does not consider function point multiplexing (PDM), especially transmission power
When constant, although additional information capacity seems few in number, frequency spectrum using intensive big city center (such as New York,
The ground such as Tokyo, Shanghai, Hong Kong), electronic business transaction advertisement etc. can be transmitted, it is seen then that the acquisition of additional information capacity be it is very considerable and
It is necessary, but targetedly technical solution do not occur and consider.
It should be noted that above-mentioned is merely to be combined in ATSC3.0 standard design parameter to embody sufficiently benefit
It with frequency spectrum resource, does not obtain background technique problem as additional information capacity sufficiently, is not intended to be limited to only can solve
The problems in ATSC3.0 standard, but the technical issues of be also applied for same principle encountered in other transport protocol standards.
Summary of the invention
In order to solve above-mentioned prior art problem and realize foregoing invention purpose, the present invention provides one kind to be suitable for high speed
Move the design method and Transmission system of received data frame.
The present invention provides a kind of design methods suitable for the received data frame of high-speed motion characterized by comprising
Data frame packet contains mutually cascade self initializing program, preamble and at least one data burst, is not transferred from and draws in several data frames
Lead sequence or the part for only transmitting self initializing program, the gap reserved is for obtaining additional information capacity, wherein according to data frame
Time domain even partition is some time segment by duration length, is avoided one before and after the change moment of technology mode combination TMC
Determine to skip in the time of range, is evenly distributed within other remaining times and at least one time slice that can skip is set, this can
Data frame does not transmit self initializing program or only transmits the part of self initializing program in the time slice skipped.
It is further alternative, in above-mentioned design method provided by the invention, which is characterized in that wherein, when the change of TMC
It carves and refers in front and back one or two or three time slices in a certain range of time of front and back without skip mode.
It is further alternative, in above-mentioned design method provided by the invention, which is characterized in that wherein, all or local
The time slice for skipping self initializing program accounts for minority in All Time segment, the minority refer to the total scale of construction marked off when
Between selected in segment take out that carry out the quantity of the time slice of self initializing program skip mode be less than half.
It is further alternative, in above-mentioned design method provided by the invention, which is characterized in that connect suitable for high-speed motion
The duration for receiving then data frame is short, is 20ms with most short data frame duration, is then divided into 20 time slices for per second.
It is further alternative, in above-mentioned design method provided by the invention, which is characterized in that wherein, it is set at least
One time slice that can all or locally skip carry out skip mode include B-6/20 skip mode, B-8/20 skip mode,
And B-10/20 skip mode, i.e. it avoids the crucial moment of TCM change in 20 time slices and evenly distributes to select respectively
Carry out 6,8 and 10 progress self initializing program skip modes.
It is further alternative, in above-mentioned design method provided by the invention, which is characterized in that wherein, skip bootstrap
It is used to indicate needed for program schema and skips part, data frame persistence length, time slice number, the time slice that can skip
The parameter of various parameters, i.e. skip mode is carried among the design of signaling.
It is further alternative, in above-mentioned design method provided by the invention, which is characterized in that wherein, high-speed motion connects
The velocity interval of receipts includes travel speed, the travel speed of high speed motor car and aircraft industry image transmitting the commander system of surface car
The return capsule travel speed of system: at least hundred kilometers per hour.
It is further alternative, in above-mentioned design method provided by the invention, which is characterized in that wherein, skip bootstrap
It is used to indicate needed for program schema and skips part, data frame persistence length, time slice number, the time slice that can skip
The parameter of various parameters, i.e. skip mode is carried among the design of signaling.
The present invention also provides one kind to be suitable for the received data frame transfer system of high-speed motion characterized by comprising
Program is skipped in addition in the modulator and demodulator of transmitting terminal and receiving end two sides, and using existing chip print and firmly
Part, the addition skip program for being designed to data frame, and obtained data frame packet is containing mutually cascade self initializing program, preposition
Code and at least one data burst do not transmit self initializing program in several data frames or only transmit the part of self initializing program, stay
Gap out is for obtaining additional information capacity, wherein according to data frame duration length by time domain even partition is several
Time slice avoided skipping in the front and back a certain range of time at change moment of technology mode combination TMC, in other remaining times
It inside evenly distributes and at least one time slice that can skip is set, data frame does not transmit bootstrap in the time slice that can skip
Program or the part for only transmitting self initializing program.
It is further alternative, in above-mentioned Transmission system provided by the invention, which is characterized in that wherein, all or local
The time slice for skipping self initializing program accounts for minority in All Time segment, the minority refer to the total scale of construction marked off when
Between selected in segment take out that carry out the quantity of the time slice of self initializing program skip mode be less than half.
The effect and effect of invention
This internet that can both cover can also be especially suitable for high-speed motion in cover broadcast net through the invention
Under reception condition, by skip self initializing program, preamble " skip mode, and avoid technology mode combination (TMC) may
" time label " crucial moment as having altered is skipped, and is not skipped before and after the crucial moment that TMC is subject to variation, then,
When transmitted programme content may be implemented changing, under the premise of not influencing the change of presentation technology integrated mode, steady
Strong property enhancing and information capacity increase by two aspect all gains.
, both can be with the skip mode of individually designed self initializing program in the present invention, it can also be with the jump of individually designed preamble
Mode is crossed, the mode that self initializing program and preamble are skipped further is also designed to.
In addition it in the present invention, additionally provides one kind and is combined on the basis of function point multiplexing (PDM), then using B/P skip mode,
In this way after self initializing program B and the combination of two class skip mode of preamble P, PDM innovative technology is being introduced, can obtain and " skip
It is less ", " skipping medium ", several typical combination skip modes of " skipping more ", robustness enhancing is particularly suitable
It is interfered in resisting short pulse；Such as natural lightning, car engine spark, electric train spark；But Gauss noise mode is not suitable for it
Type and neon light wide range noise (its SNR threshold value is constant), the additional information capacity potentiality of acquisition are very big, such as are not drawing
When entering PDM, with+36% channel gain of the ATSC3.0 compared with 1.0, ATSC3.0 channel coding efficiency is given full play to.
Detailed description of the invention
Fig. 1 is in the embodiment of the present invention quoted from the structural schematic diagram of data frame in A/321 standard；
Fig. 2 is that divided time slice structure per second is shown in the case of most short data frame duration in the embodiment of the present invention
It is intended to；
Fig. 3 is the schematic diagram of B-6/20 skip mode under Fig. 2 dividing condition；
Fig. 4 is the schematic diagram of B-8/20 skip mode under Fig. 2 dividing condition；
Fig. 5 is the schematic diagram of B-10/20 skip mode under Fig. 2 dividing condition；
Fig. 6 is the schematic diagram of P-13/20 skip mode under Fig. 2 dividing condition；
Fig. 7 is the schematic diagram of P-15/20 skip mode under Fig. 2 dividing condition；
Fig. 8 is the schematic diagram of P-17/20 skip mode under Fig. 2 dividing condition；
Fig. 9 is power distribution schematic diagram in the time domain of data frame in the embodiment of the present invention；
Figure 10 is power distribution schematic diagram in the time domain of data frame and frequency domain in the embodiment of the present invention；And
Figure 11 be in the embodiment of the present invention on the basis of function point multiplexing again in the case of skip mode data frame time-domain power point
Cloth schematic diagram.
Specific embodiment
The skip mode that the present invention is discussed not only had been applicable to the Internet service of its innovation but also had stood good in traditional
In the communication transmission field such as broadcast service, other than the high-speed motion service of ATSC3.0 new demand servicing receives, this suggestion may be used also
Applied to other kinds of service, (pavement is such as received using the hand-held movement (mobile) of mobile phone or tablet computer
It is [pedestrian] and indoor [in-door]) and using roof or its " family of domestic aerial/set-top box/large screen display
Fixed reception (fixed receptions in the home) in front yard ", that is, be also applied in other communication transport protocols standards,
(fixed reception in hand-held mobile reception and family) is although information capacity both after skip mode through the invention
Increase it is few, but the robustness of preamble can still significantly increase.
In this specification, a word is received using high-speed motion is suitable for, is because being different from the industry commonly usual word
It converges " high speed (high speed) ", which is often referred to high bit rate, thus using " fast moving is (high
Speed movement) " it is more suitable.
Fig. 1 is in the embodiment of the present invention quoted from the structural schematic diagram of data frame in the A/321 standard of ATSC3.0.To in Fig. 1
Before appearance is introduced, following explanation is carried out to the realization feasibility of the skip mode.
With SMS and broadcast TV program single pair ratio, telecommunications network (physical basis of internet at present) and broadcast are analyzed
It from the point of view of the intrinsic difference of television network, is compared from time-domain, analyzes telecommunications network and broadcasting and television network in transmitting terminal, transmission link and connects
Receiving end randomness and continuity comparison basic distinction: when mobile phone is in standby, user send a short message: this when
Between domain have randomness；In transmission link and receiving end, also all there is randomness；Broadcasting and television network is then different: except user watches
When have other than randomness, signal 24 hours is uninterrupted to be sent, without randomness.Only when programme content changes,
Its technology mode combination (Technical Modes Combination, TMC) can have altered, and (shortest advertisement insertion also needs 3-4
Second).
From the point of view of Fig. 2, typical example: when the prime time in night plays the brand-new program of 4k-UHDTV from 20:00, TMC must
Surely have altered；There must be new preamble to illustrate that the TMC of follow-up data subframe (is especially inserted into advertisement generally also using identical
TMC, and with audio/video program source " packaging " together.
At this moment, " time marks (time stamp) " [is reference with astronomical clock；And in seconds] play crucial work
With because it is the boundary moment of different program replacements in listing: for example, GMT-12:00.00, GMT-12:00.01 ..., i.e.,
Beijing time -20:00.00, GMT-20:00.01 ... are very accurate.Various skip modes first have to meet this broadcasting and television network
Primary demand, conversely, leave this time-domain boundary remaining moment, then since the continuity of tv programme source and TMC are more
Secondary repetition has " redundancy (redundancy) " and can make full use of (concept in the domain that only takes time)
Preamble (preamble) immediately self initializing program (bootstrap), be located at self initializing program further part
The head of (post-bootstrap part), when not emitting preamble (preamble), self initializing program and data burst it
Between occur " gap (gap) ".This gap situation can be from Fig. 9 and Figure 10.In Figure 10, in frequency domain coordinate, two side areas and
There are mountain valley shape protection interval between intermediate region, this protection interval must be retained in engineering construction, for protection interval
Design be it is reserved, need to carry out engineering design especially model machine on-the-spot test auxiliary.
In the present embodiment, the case where data frame minimum length in time is 50ms is only discussed to illustrate, to meet high speed
The demand of reception is moved, other data frame durations suitable for high-speed motion are within practical range of the invention.
The technical article of the chairman Luke Fay of the S/32 technology group of ATSC3.0: Luke Fay et al, An
Overview of ATSC3.0Physical Layer Specification, IEEE Tran.Broadcast., vol.62,
NO.1, Mar.2016, pp.159-171, this ATSC3.0 physical layer are introduced in a text, the part G of Section VII section: preamble " in
A word be exactly: preamble occurs once in each data frame ....
Fig. 2 is that divided time slice structure per second is shown in the case of most short data frame duration in the embodiment of the present invention
It is intended to.
Occurs primary viewpoint in each data frame for above-mentioned preamble, the applicant but thinks the preamble not
Need each data frame to emit, every 24 hours " time mark (time stamp) " moment (for example, GMT-00:
00.00,01:00.00 etc., preamble, but its " time label that must send preamble must be sent in these gaps
(time stamp) " is few in number.
Now, for internet/radio network received for high-speed motion, every 3-4/8 data frame only emits 1 time (simultaneously
It is not all of the time), then the robustness of preamble will significantly improve the header overhead as needed for each preamble
(overheads) it will also decrease, workable for utilization " gap ", can get information capacity will have very important growth
(non-negligible increase)。
The speed that high-speed motion in this ATSC3.0 new demand servicing receives (fast moving reception) is about up to~
300000 ms/h, which is obtained by Computer Simulation: when 129HZ Doppler effect (when centre frequency 500MHZ pair
Answer 278,000 ms/h of speed per hour), SNR threshold value < -8dB.High-speed motion can be adapted at least tens kilometers per hour, high speed
Moving received example has, for example, surface car about 100 to 200km/h, the about 400-600km/h of high speed motor car, even
Return capsule receives several km/s in image transmitting command system in aircraft industry.Suitable for various aerospace services, transmitting terminal and
The relative velocity > 100km/hr of receiving end.For example, the command system in Chinese " divine boat's return capsule search and rescue activity ", includes aerospace
Member's audio and video image delivering system.
Of the present invention is minimum length in time=50ms of data frame to illustrate, and can also be covered all
The data frame duration of length, such as more universal 100ms, 150ms, the calculating of 200ms, the present invention do not repeat specific respectively
Calculation specifications.
The realization of this skip mode is also relatively simple: only needing the computer program that short, line number is few, is added to existing
The ATSC3.0 modulator and demodulator of some transmitting terminals and receiving end two sides, and using existing chip print and its other are existing
Some hardware, without worrying CPU or memory in terms of design, do not generate too many complexity hardware modifications and storage at
This.
But the present invention must design signaling procedure (signaling) in self initializing program (bootstrap) part, with
Various parameters needed for illustrating this " skipping preposition pattern ", the i.e. design parameter of skip mode may be selected to be carried on signaling
Among design.
Specifically, for Internet service received for high-speed motion: if the duration of data frame=50ms,
And if adopting its duration shortest 2.96ms to preamble, wherein L1-BASIC (basic) and L1-Detail (details)
It is respectively each 1.48ms in time-domain, then, the gain of additional information capacity is (being indicated with %):
A) for Internet service (every 4 data frames, 1 preamble):
2.96 × (4-1)/(50 × 4)=4.44%；
B) for broadcast service (every 8 data frames, 1 preamble):
2.96 × (8-1)/(50 × 8)=5.18%；
The gain of preamble robustness:
When every 4 data frames or 8 data frames only have 1 preamble, can get SNR threshold value is remarkably decreased -6/-
9dB (for 1/4 or 1/8 especially suitable for impulsive noise, but is not suitable for AWGN)；Thus threshold value is easy to be adjusted to connect
Nearly self initializing program.
Therefore, the advantage of the internet ATSC3.0/radio network service " skipping preposition pattern " is received for high-speed motion
It is: increases (+4.44/5.18%) two aspect in robustness enhancing (SNR threshold value decline -6/-9dB) and information capacity and all increase
Benefit.
The gain of above-mentioned mentioned additional information capacity, if being in the case where not considering LDM, ATSC3.0 is obtained
Information capacity compared with ATSC1.0/8-VSB, increase by 36%.
From the point of view of Basic Design, super frame of data (super frame) structure can define, wherein sum is NSUPA data frame；And
Preamble is only contained in first data frame, and remainder data frame is then without preamble (reserving " gap ")；Wherein, such as the following table 2,
NSUP=2,3 ... 8 ... 24.
Work as NSUPWhen=8, preamble: capture time (capture time) are as follows:
MAX (maximum value)=8 × 50=400ms (< 0.5s)
Aver. (average value)=200ms (< 0.25s) (this average value is maximum value half)
This numerical value is noticeably greater than self initializing program capture time (in discussed in the case where Aver.=25ms), this announcement
This kind of " skip mode " existing temporary defect.It is directed to data frame duration=50ms；Capture time max.=2*
Aver.。
The gain of 2 preamble of table and average (Aver.) capture time
It is visible for ATSC3.0 Internet service from above-mentioned table 2, when high-speed motion receives:
1) if necessary to fast Acquisition/recovery (Acquisition/Recovery), then NSUP=3 or 4 may be good
Answer；
2) there is capture time (capture time) average value/maximum value Aver/Max=75/150ms or 100/
200ms, closer to the 25/50ms of self initializing program (bootstrap), and this difference is for ordinary consumer, and being can
It is ignoring or acceptable；
3) the additional information capacity obtained is+3.95% or+4.44%；
4) and preamble robustness then obtains -4.8dB or -6.0dB；
It is also shown for ATSC3.0 broadcast service from table 2, when high-speed motion receives:
1) additional information capacity obtained by are as follows: from NSUP=3 (+3.95%) arrive NSUP=8 (+5.18%)；
2) N is selected in first example aboveSUP=8 be to consider the improvement of preamble robustness up to -9.0dB, before may make
The SNR threshold value of code is set closer to the numerical value of self initializing program.
Be comprehensively compared A/321 self initializing program and A/322 preamble excellent in performance, it is proposed that skip preposition pattern
(skip preamble mode) is: every NSUPA data frame emits a preamble；As a result, in the internet of ATSC3.0
In the high-speed motion reception of radio network new demand servicing, work as NSUPWhen=3 to 8, can enhance preamble robustness (- 4.8dB to-
9.0dB), can also increase information capacity (+3.95% to+5.18%).
Therefore, the communication transmission field such as any Internet service or its radio network service dealer can try in its overlay area
Test different NSUPValue, and different period redjustment and modification it, to obtain itself corresponding optimal best answer.
First specific example
In this first specific example, the high-speed motion in conjunction with Fig. 3-Fig. 5 introduction suitable for ATSC3.0 was received in a small number of times
Inside skip self initializing program (B) mode.The minority refers to the institute for the time slice (fragments) of the total scale of construction marked off
It selecting to carry out the negligible amounts of the time slice of B skip mode, less than half is advisable, such as in this first specific example,
For 20 time slices per second obtained based on data frame duration, less than half is chosen as 6,8,10 etc..
By in Fig. 3-Fig. 5, by 1s/50ms=20 namely it is per second need to divide 20 time slices (fragments),
20 time slices are utilized respectively number and letter to indicate: 0,1,2,3,4,5,6,7,8,9, A, B, C, D, E, F, G, H, I
And J, the mode of such round signal can embody the effect that " time label " plays at crucial moment (TMC change).
In general, since broadcast TV program list is mostly that TCM is changed since per second, then need to stress
It is, it should the preferential crucial moment for guaranteeing TCM change, i.e., as the time slice of I/J/0/1 or J/0 instruction in Fig. 2 never " is jumped
It crosses ".So, for other remaining optional time slices skipped, by the design of more symmetric figure, guarantee
Remaining moment in time per second in addition to above-mentioned crucial moment, skip mode evenly distribute as far as possible.
This is evenly distributed can be by, it is found that dashed area is expressed as " skipping ", being not coated with dash area is " no in Fig. 3-Fig. 5
Skip ", to avoid TCM and as far as possible symmetric design between 2,5,8 and B, E, H in 6 time slices skipped in Fig. 3；It is jumped in Fig. 4
It is to avoid TCM and as far as possible symmetric design between 2,4,6,8 and B, D, F, H in 8 time slices crossed；10 skipped in Fig. 5
It is to avoid TCM change and as far as possible symmetric design between 2,4,5,6,8 and B, D, E, G, I in time slice.Above-mentioned time slice
Specific choose not is the scope of the present invention, meets the crucial moment for avoiding TCM change and evenly distributes.
The verifying of the increase of the capture time caused by realization " skip mode ", in addition to continuing theory analysis
The test (laboratory and scene) of (containing Computer Simulation) and model machine, (can not also be skipped by the subjective testing of capture time
With the comparison skipped): the person that such as do not take one's test distinguishes expert and general spectators；Test result classification: it cannot distinguish between (almost complete
Body), be difficult to differentiate between (most of), can distinguish, can receive, can receive substantially, be difficult to receive, cannot receive.
In Fig. 3-Fig. 5,6/20,8/20 and 10/20 skip mode capture time (aver./max), the robustness of 3 class B increases
By force (especially suitable for short pulse noise；Be not suitable for AWGN noise) and obtainable additional information capacity be shown in Table 3, by the table 3
Known to: it is 37.5/75ms (+50%), additional information capacity that the increase of capture time maximum, which is only increased by 25/50ms, are as follows:+
1.20% ,+1.60% and+2.00%, duration=50ms of data frame；The duration of B=2ms, without skip mode
When capture time: aver./max=25/50ms.
The performance of 3 self initializing program B skip mode of table
It is also proposed that a kind of should in the present inventionFirst specific example'sVariant embodiment, to self initializing program, other be can be used
" skip mode " discussed in a possibility that " skip mode ", such as the first specific example is carried out as unit of the entirety of B,
Part can be carried out in the inside of B in variation to skip.The potentiality of B-6/20 skip mode are than other 2 B-8/20, B-10/20 moulds
Formula potentiality will be more greatly.
For example, ATSC3.0 standard A/321 technology grouping in self initializing program standard " symbol -1 ", " symbol -2 ",
In " symbol -3 ", data segment A (there are also matched data segment B and C) is repeated several times, and may be selected to carry out for low volume data section above-mentioned
Skip mode processing.In another example above-mentioned 3 symbols: it is contemplated that jumping too small amount of " symbol -1 ", " symbol -2 ", " symbol -3 " is taken
It is a part of in 3*8=24 signaling bit position of band.
To first specific exampleFrom the point of view of brief summary, be subject to variation from broadcast TV program table TCM " time mark
Note " crucial moment sets out, export 6/20,8/20,10,/20 3 kinds of practical B skip modes, and the robustness enhancing of acquisition is respectively
SNR=-1.55dB, -2.22dB, -3.01dB；Additional information capacity is then+1.20% ,+1.60% ,+2.00%；And when capturing
Between maximum only+50%.
Second specific example
Preamble (preamble) mode is skipped in most time, high-speed motion reception-catalogue for ATSC3.0.
The majority refers to that selected take out carries out P skip mode for the time slice (fragments) of the total scale of construction marked off
The quantity of time slice is more, more than half is advisable, such as in this first specific example, is obtained based on data frame duration
20 time slices for, more than half is chosen as 13,15,17 etc..
After the crucial moment for considering TV guide and time label, practical preamble P mode has following 3 kinds of Fig. 6 extremely
The specific skip mode of Fig. 8: the design of P-13/20, P-15/20, P-17/20 skip mode.To " P-13/20, the P- of the recommendation
The performance of 15/20, P-17/20 skip mode " can be learnt by following table 4.
In preamble P skip mode, meets the principle avoiding the crucial moment of TCM change and evenly distributing, evenly distribute
It can be by, it is found that dashed area is expressed as " skipping ", being not coated with dash area is " not skipping ", by 1s/50ms=in Fig. 3-Fig. 5
20 namely it is per second need to divide 20 time slices (fragments), 20 time slices be utilized respectively number and letter come
The segmentation design of instruction, this time segment is identical with above-mentioned first specific example.
In table 4, duration=50ms of data frame；Duration=- 3ms of P, when capture when without skip mode
Between: aver./max.=25/50ms.
The performance of 4 preamble P skip mode of table
In the case of the skip mode for all not accounting for B be can be seen that from last column result of table 4, result and practical survey
The additional information capacity data+3.95% tried out, 4.44%, 5.18% is very close namely utility mode meets theory analysis.
Third specific example
Combination for two class skip mode of B and P, for principle, the capture time of self initializing program B and preamble P,
Robustness enhances tri- performance parameter of % of numerical value, additional information capacity, is all a little addition relationships.
During the deployment of signaling procedure, to bsr_coefficient in the symbol -2 of A/321 self initializing program standard
[base band sampling rate _ coefficient] N design has 7 bits；And for N=12, bsr_coeff.=28*0.384=
10.752Mbps, the 10.76Mbps of the A/53 standard of very close ATSC1.0, thus signaling procedure is disposed using the parameter.
In addition to occupied bit, in addition, bsr_coeff. is there are also 81-127 totally 46 retentions, it is available.
From the point of view of the first specific example and the second specific example, B skip mode and P skip mode respectively have 3 kinds of jumps
Mode is crossed, it is a total of such as 9 kinds of practical B/P skip mode combinations in the following table 5；It is contemplated that employ bsr_coeff. numerical value 127 to
119, as its signaling procedure (table 5).
Table 5 is the signaling procedure of the skip mode of B/P combination: employing bsr_coeff. retention, channel in B- symbol -2
Bandwidth 6MHz and N=12 are due up value.To the important explanation of table 5: sending N=12 originally；It is sent in this 5 left column of table now
Single number 127,126,125 etc..
Table 5 is the signaling procedure of the skip mode of B/P combination
So, for the combined performance of two class skip mode of B and P: self initializing program B and two class of preamble P skip mould
Performance after formula combination, which summarizes, sees following table 6.As seen from Table 6: from [the B-6/20 of " skipping less "；P-13/20] mode arrives
[the B-10/20 of " skipping more "；P-17/20] mode summarizes performance are as follows:
Capture time increases: from 2.0 times to 3.6 times, wherein if it is desired to there is lesser capture time, can increase P-5/
20, P-7/20, P-9/20 and P-11/20 skip mode；Sum for the combination of 21 B/P skip modes, (or preferably recommend by 10-12 kind
Mode combinations；And 9 kinds of mode combinations also preferable 4-5 kind for discussing of this place).
Robustness enhancing: from SNR=-4.2dB, its -10.5dB (is interfered especially suitable for resisting short pulse；But it is not suitable for
AWGN noise model).
Additional information capacity: from+5.10% to+7.10%.
In the table 6, duration=50ms of data frame；Former capture time: aver./max.=50/100ms.
The performance of 6 self initializing program B of table and preamble P skip mode combination
Thus from the point of view of brief summary, when being combined using 9 kinds of utility modes of self initializing program B and preamble P, it can obtain
: robustness enhancing: from SNR=-4.2dB to -10.5dB；Additional information capacity: from+5.10% to+7.10%, these numerical value
When not considering PDM (function point multiplexing), with ATSC3.0 compared with 1.0 additional information capacity+36%, 1/7 to 1/5 can be increased,
Thus there is significant Social benefit and economic benefit.And the cost paid is that capture time rises to 2.0 times to 3.6 times (numbers
Value increases to 104/208ms to 179/358ms by aver./max.=50/100ms).
4th specific example
In conjunction with being skipped in self initializing program (B) mode and the second specific example in the times a small number of in above-mentioned first specific example
Preamble (preamble) mode is skipped in most time, in this 4th specific example, on function point multiplexing (PDM) basis
On, then using the combination of B/P skip mode, the received scheme of high-speed motion for ATSC3.0 is introduced, and technical solution is identical
Duplicate part repeats no more.
Figure 11 be in the embodiment of the present invention on the basis of function point multiplexing again in the case of skip mode data frame time-domain power point
Cloth schematic diagram.Figure 11 is illustrated, 2.14KW*2.5=5,3KW, 5.3KW+2.14KW=7.5KW；But this is only
The power of 45ms in 50ms；B/P adds up to 5ms, and power needs to account for the 5/50=10% of overall ratio.This is to say, general power
After=7.5/0.9=8.3KW, PDM, the actual significant bit rate of additional information capacity is significantly increased, thus obtains significant increase
Benefit, otherwise it is on the shelf.
It is known that the key technology of ATSC3.0 account for the first is function point multiplexing (PDM) innovative technology, adopted in A/322 standard
With the noun of power division multiplexing (PDM, Power Division Multiplexing), (LDM) is multiplexed without dividing using layer
Noun；Referred to as " function point multiplexing ", with corresponding time division multiplexing (TDM) and frequency division multiplexing (FDM).Wherein temporarily only recommend " double layerings "
Application: core be layered (CL, Core Layer) and enhancing be layered (EL, Enhanced Layer).
Firstly, to function divided by the key property introduction of multiplexing (PDM):
As embodied in following tables, the SNR of 2 kinds of technology modes (B skip mode+P skip mode) of QPSK is negative
The reason of value, analytic explanation was as follows: the signal of plains region television transmitter stations, can not be by uniform-frequency crosstalk (CCI, Co-
Channel Interference) and enter neighbouring area, increase different TV stations and provides between new demand servicing, fights for the competing of user
It strives.
Core, which is layered the QPSK modulation of CL and MSB (most significant bit) first 2 of enhancing layering EL, has simple " mould 2
Add " operation relation, the power of the two is shared.But it is cost that PDM, which needs to significantly increase transmission power,；Adopt QPSK modulation and it is lower
Channel encoding rate 3/15 and 4/15.
The basic performance of B/P skip mode combination in PDM
South Korea or the U.S. etc. have used some broadcast dealer of ATSC1.0A/53 standard, it will be assumed that its former transmission power is
1KW；After being converted to ATSC3.0 now, using PDM innovative technology.Wherein EL needs can send 1 set of brand-new service of 4k-UHDTV:
The technology mode of former ATSC 1.0-A/53 are as follows: 8-VSB modulation, 2/3. significant bit rate of channel encoding rate
19.38Mbps, on-the-spot test value SNR=15.2dB (calculated value~14.7dB, deterioration~0.5dB)；
The technology mode of existing ATSC 3.0: 64~QAM, 10/15,20.5Mbps, SNR=18.5dB (calculated value~
16.1dB, deterioration~2.4dB)；
Due to SNR 18.5-15.2=3.3dB or 2.138 times；Namely EL will obtain the significant bit rate (hair of 20.5Mbps
Send needed for 4k-UHDTV), after OFDM, the power that transmitter provides EL must be risen to 2.14KW by 1Kw, could remain former
Some coverage areas, and the transmission power of CL then depends on injection level numerical value.The present embodiment only discuss injection level numerical value be-
4.0dB and injection level numerical value are two kinds of typical cases of -1.76dB；And total transmission power major part of data burst is by CL
It is added and obtains with two parts EL.The part B/P also needs separately to calculate.
Self initializing program and preamble add up to 5ms in time-domain, and data burst is 45ms；B/P and data burst
The ratio of transmission power is 1:9.In addition, information capacity has gone up as 20.5/6=3.42bit/s/Hz.
So, when 2 kinds of typical case injection level (IJ) under PDM technology, the performance that can obtain of B/P skip mode combination is divided
Analysis:
Table 7 gives while realizing the summarized results (B: self initializing program of two class skip mode of B and P；P preamble；Number
According to frame time=50ms；Channel bandwidth=6MHz；IJ=-4dB)
Table 7 realizes the summarized results of two class skip modes simultaneously
After self initializing program B and the combination of two class skip mode of preamble P, PDM innovative technology is being introduced, 9 kinds of moulds are obtained
3 kinds of typical consequences in formula combination, are listed in table 7；Wherein [B-6/20；P-13/20] it is " skipping less ", [B-8/20；
P-15/20] it is " skipping medium ", and [B-10/20；P-17/20] it is then the enhancing of " skipping more " robustness.
Especially suitable for resisting short pulse interference；Such as natural lightning, car engine spark, electric train spark；But no
Suitable for AWGN noise model and neon light wide range noise
Additional information capacity acquisition+5.10% ,+6.10% to+7.10% potentiality excavated, in no introducing PDM,
With+36% channel gain of the ATSC3.0 compared with 1.0, its 1/7,1/6 and 1/5 numerical value is had reached.
Introducing PDM's as a result, especially B/P also there are CL and the bis- layerings of EL self is given in table 7, is given full play to
ATSC3.0 channel coding efficiency, B and P can be also used separately in audio and video services.
The present invention carries out following explanation to its idle effective bandwidth frequency spectrum is actively employed in high-speed motion receives, to
The analyses and comparison result of varying level is injected under lower different channel bandwidth applications.
(1) to the application of 6MHZ channel effective bandwidth
Consider that high-speed motion receives and introduce function point multiplexing (PDM) innovative technology, can refer to table 1 in background technique, it can
There is following result:
(1.A) injection level IJ=-4.00dB (table 8)
(1.B) injection level IJ=-1.76dB (table 9)
Since the power of transmission power significantly increases, the significant bit rate of workable CL and EL and table 1 in above table
In last to arrange corresponding significant bit rate 22.5kbps and 30.9kbps be entirely different.
(2) to the application of 8MHZ channel effective bandwidth
(2.A) injection level IJ=-4.00dB (table 10)
(2.B) injection level IJ=-1.76dB (table 11)
And ratio=7.680/5.376=1.429 of 8/6 channel significant bit rate.
Table 8:6MHz channel employs the result (IJ=-4.00dB) of idle effective bandwidth
(have been introduced into PDM；High-speed motion receives；Data frame=50ms)
Table 9:6MHz channel employs the result (IJ=-1.76dB) of idle effective bandwidth
(have been introduced into PDM；High-speed motion receives；Data frame=50ms)
Table 10:8MHz channel employs the result (IJ=-4.00dB) of idle effective bandwidth
(have been introduced into PDM；High-speed motion receives；Data frame=50ms)
Table: 11:8MHz channel employs the result (IJ=-1.76dB) of idle effective bandwidth
(have been introduced into PDM；High-speed motion receives；Data frame=50ms)
It is worth noting that enhancing layering is via original in the result of above-mentioned table 8, table 9, table 10 and table 11
Transmission power 1KW when ATSC1.0-8-VSB, multiplying 2.14 times can provide 20.5Mbps (6MHz channel) as 2.14KW, use
In the transmission brand-new service of 4K-UHDTV.Different injection levels calculates the transmission power of CL with this numerical value.
Data-frame times are generalized to 100ms from 50ms, and when 150ms, additional information capacity is just decreased obviously；But it is right
In big city center, frequency spectrum is rare and user it is numerous under conditions of, these significant bit rates few in number are still
Occupy use value
The present embodiment calculates after self initializing program occupies 4.5MHz, also idle effective bandwidth from the discussion of frequency domain
The vacancy rate of frequency spectrum；Under high-speed motion condition of acceptance, employing these frequency spectrums can get few additional information capacity :+
0.418% (6MHz channel) and+0.402% (8MHz channel).
And table 8, table 9, every in table 10 and table 11 all reflects the idle effective bandwidth employed, it may have CL/EL's
Function divides multiplexing characteristics, and same frequency domain analysis method can also be applied to the part that ATSC3.0 preamble corresponds to L1-Basic,
But additional information capacity estimation obtained only has table 8, table 9, table 10 and the half of table 11 or so
From the point of view of brief summary, additional information capacity will all have about+0.20% (6 or 8MHz channel)；These results and " B/P jump
Cross mode combinations " summarize, it can obtain additional information capacity :+5.7% ,+6.7% ,+7.7%, when not introducing PDM, be "+36% "
1/6.31,1/5.37,1/4.68.
It is available to the acquisition additional information capacity therein in 6MHz channel in above-mentioned table 8, table 9, table 10 and table 11
Bit rate carries out following explanation.
The additional information capacity obtained from " gap " 2.96ms can regard independent data flow, with subsequent loaded portion
There is no any association, in order to obtain available bit rate from the additional information capacity of 6MHz channel, above-mentioned refer to can be used
The technical article of Luke Fay announces the core in the following table 12 such as and is layered 2 modes and enhancing 2 modes of layering, to be used to carry out
High-speed motion receives.In the table 12 of this 6MHZ channel, the technical article that the left side is delivered quoted from above-mentioned Luke Fay takes peak.
Available Bit Rate of the table 12 from additional information capacity
Its result is listed in table 12, and can be seen that
1) since the robustness of core layering is higher, preferential application is the purposes such as emergency alarm and anti-terrorism, and there are also various
Public service (weather forecast, super highway vehicle state etc.)；
2) for enhancing layering, to broadcast, dealer provides a series of new opportunities, because bit rate has 0.5-
1.0Mbps (> 384kbps. is enough to provide 1 or 2 set of 11.1 additional immersion surround sound)
" single layering " system in the above-described embodiments, is individually respectively suitable for core layering (CL) or enhancing layering
(EL), because each of which has the preamble of oneself and is repeated several times, as " double layerings " LDM system be also this hair
Bright covered interest field.
Those of ordinary skill in the art it should be appreciated that more than specification be only the numerous embodiments of the present invention
One or more of embodiment, and not use limitation of the invention.Any equalization for embodiment described above becomes
The technical solutions such as change, modification and equivalent substitute will all fall in power of the invention as long as meeting spirit of the invention
In the range of sharp claim is protected.
Claims (10)
1. a kind of design method suitable for the received data frame of high-speed motion characterized by comprising
Data frame packet contains mutually cascade self initializing program, preamble and at least one data burst, does not transmit in several data frames
Self initializing program or the part for only transmitting self initializing program, the gap reserved are used to obtain additional information capacity,
Wherein, it is some time segment by time domain even partition according to data frame duration length, technology mode is avoided to combine
It is skipped in a certain range of time before and after the change moment of TMC, setting is evenly distributed within other remaining times, and at least one can
The time slice skipped, data frame does not transmit self initializing program or only transmits self initializing program in the time slice that can skip
Part.
2. being suitable for the design method of the received data frame of high-speed motion as described in claim 1, which is characterized in that
Wherein, refer in a certain range of time in front and back one or two or three time slices before and after the change moment of TMC not into
Row skip mode.
3. being suitable for the design method of the received data frame of high-speed motion as described in claim 1, which is characterized in that
Wherein, the time slice that self initializing program is skipped in whole or part accounts for the minority in All Time segment, which refers to
It is selected in the time slice of the total scale of construction marked off to take out the quantity for carrying out the time slice of self initializing program skip mode
For less than half.
4. being suitable for the design method of the received data frame of high-speed motion as claimed in claim 3, which is characterized in that
The duration for receiving then data frame suitable for high-speed motion is short, is 20ms with most short data frame duration, then will be every
Second is divided into 20 time slices.
5. being suitable for the design method of the received data frame of high-speed motion as claimed in claim 4, which is characterized in that
Wherein, it includes that B-6/20 skips mould that at least one set time slice that can all or locally skip, which carries out skip mode,
Formula, B-8/20 skip mode and B-10/20 skip mode,
That is it avoids the crucial moment of TCM change in 20 time slices and evenly distributes to select 6,8 and 10 respectively
Carry out self initializing program skip mode.
6. being suitable for the design method of the received data frame of high-speed motion as described in claim 1, which is characterized in that
Wherein, it skips to be used to indicate needed for self initializing program mode and skips part, data frame persistence length, time slice
The various parameters of number, the time slice that can skip, the i.e. parameter of skip mode are carried among the design of signaling.
7. being suitable for the design method of the received data frame of high-speed motion as described in claim 1, which is characterized in that
Wherein, the received velocity interval of high-speed motion includes travel speed, the travel speed of high speed motor car of surface car, and boat
The return capsule travel speed of empty industry image transmitting command system: at least hundred kilometers per hour.
8. being suitable for the design method of the received data frame of high-speed motion as described in claim 1, which is characterized in that
Wherein, it skips to be used to indicate needed for self initializing program mode and skips part, data frame persistence length, time slice
The various parameters of number, the time slice that can skip, the i.e. parameter of skip mode are carried among the design of signaling.
9. one kind is suitable for the received data frame transfer system of high-speed motion characterized by comprising
Program is skipped in addition in the modulator and demodulator of transmitting terminal and receiving end two sides, and using existing chip print and
Hardware,
The addition skips program for being designed to data frame, and obtained data frame packet is containing mutually cascade self initializing program, preceding
Code and at least one data burst are set, do not transmit self initializing program in several data frames or only transmits the part of self initializing program,
The gap reserved is used to obtain additional information capacity,
Wherein, it is some time segment by time domain even partition according to data frame duration length, technology mode is avoided to combine
It is skipped in a certain range of time before and after the change moment of TMC, setting is evenly distributed within other remaining times, and at least one can
The time slice skipped, data frame does not transmit self initializing program or only transmits self initializing program in the time slice that can skip
Part.
10. being suitable for the received data frame transfer system of high-speed motion as claimed in claim 9, which is characterized in that
Wherein, the time slice that self initializing program is skipped in whole or part accounts for the minority in All Time segment, which refers to
It is selected in the time slice of the total scale of construction marked off to take out the quantity for carrying out the time slice of self initializing program skip mode
For less than half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406669.4A CN108989844B (en) | 2017-06-02 | 2017-06-02 | Design method and transmission system of data frame suitable for high-speed motion reception |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406669.4A CN108989844B (en) | 2017-06-02 | 2017-06-02 | Design method and transmission system of data frame suitable for high-speed motion reception |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108989844A true CN108989844A (en) | 2018-12-11 |
| CN108989844B CN108989844B (en) | 2020-10-16 |
Family
ID=64501977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710406669.4A Active CN108989844B (en) | 2017-06-02 | 2017-06-02 | Design method and transmission system of data frame suitable for high-speed motion reception |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108989844B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989842A (en) * | 2017-06-02 | 2018-12-11 | 上海数字电视国家工程研究中心有限公司 | Design method and Transmission system suitable for the received data frame of high-speed motion |
| CN108989840A (en) * | 2017-06-02 | 2018-12-11 | 上海数字电视国家工程研究中心有限公司 | Design method and Transmission system suitable for the received data frame of high-speed motion |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794249A (en) * | 2014-01-28 | 2016-07-20 | 三星电子株式会社 | Broadcasting receiving apparatus, external apparatus, method for generating signal, and method for receiving signal |
| US20160344423A1 (en) * | 2015-05-19 | 2016-11-24 | Samsung Electronics Co., Ltd. | Transmitting apparatus and interleaving method thereof |
| CN106464271A (en) * | 2014-05-21 | 2017-02-22 | 三星电子株式会社 | Transmitting apparatus and interleaving method thereof |
| US20170126441A1 (en) * | 2015-11-04 | 2017-05-04 | One Media Llc | Sampling clock alignment and time offset signaling for symbol-aligned frames |
| CN108989842A (en) * | 2017-06-02 | 2018-12-11 | 上海数字电视国家工程研究中心有限公司 | Design method and Transmission system suitable for the received data frame of high-speed motion |
| CN108989840A (en) * | 2017-06-02 | 2018-12-11 | 上海数字电视国家工程研究中心有限公司 | Design method and Transmission system suitable for the received data frame of high-speed motion |
-
2017
- 2017-06-02 CN CN201710406669.4A patent/CN108989844B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794249A (en) * | 2014-01-28 | 2016-07-20 | 三星电子株式会社 | Broadcasting receiving apparatus, external apparatus, method for generating signal, and method for receiving signal |
| CN106464271A (en) * | 2014-05-21 | 2017-02-22 | 三星电子株式会社 | Transmitting apparatus and interleaving method thereof |
| US20160344423A1 (en) * | 2015-05-19 | 2016-11-24 | Samsung Electronics Co., Ltd. | Transmitting apparatus and interleaving method thereof |
| US20170126441A1 (en) * | 2015-11-04 | 2017-05-04 | One Media Llc | Sampling clock alignment and time offset signaling for symbol-aligned frames |
| CN108989842A (en) * | 2017-06-02 | 2018-12-11 | 上海数字电视国家工程研究中心有限公司 | Design method and Transmission system suitable for the received data frame of high-speed motion |
| CN108989840A (en) * | 2017-06-02 | 2018-12-11 | 上海数字电视国家工程研究中心有限公司 | Design method and Transmission system suitable for the received data frame of high-speed motion |
Non-Patent Citations (3)
| Title |
|---|
| DAZHI HE等: "System Discovery and Signaling Transmission Using Bootstrap in ATSC 3.0", 《IEEE TRANSACTIONS ON BROADCASTING》 * |
| LUKE FAY等: "An Overview of the ATSC 3.0 Physical Layer Specification", 《IEEE TRANSACTIONS ON BROADCASTING》 * |
| RICHARD CHERNOCK: "美国新一代数字电视ATSC 3.0标准技术体系介绍", 《广播与电视技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989842A (en) * | 2017-06-02 | 2018-12-11 | 上海数字电视国家工程研究中心有限公司 | Design method and Transmission system suitable for the received data frame of high-speed motion |
| CN108989840A (en) * | 2017-06-02 | 2018-12-11 | 上海数字电视国家工程研究中心有限公司 | Design method and Transmission system suitable for the received data frame of high-speed motion |
| CN108989840B (en) * | 2017-06-02 | 2020-10-16 | 上海数字电视国家工程研究中心有限公司 | Design method and transmission system of data frame suitable for high-speed motion reception |
| CN108989842B (en) * | 2017-06-02 | 2020-12-22 | 上海数字电视国家工程研究中心有限公司 | Design method and transmission system of data frame suitable for high-speed motion reception |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108989844B (en) | 2020-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10284886B2 (en) | Broadcast signal transmitting apparatus, boradcast signal receiving apparatus, method for transmitting broadcast signal, and method for receiving broadcast signal | |
| JP6262880B2 (en) | Broadcast transmission apparatus, broadcast reception apparatus, operation method of broadcast transmission apparatus, and operation method of broadcast reception apparatus | |
| US20120163427A1 (en) | System and method for synchronous transmission of content | |
| US20100232338A1 (en) | Apparatus and method for providing venuecast services on a next generation forward link only (flo) network | |
| CN106230558B (en) | A kind of adaptive transmission method for wideband satellite communication system | |
| CN108989844A (en) | Design method and Transmission system suitable for the received data frame of high-speed motion | |
| CN108989840A (en) | Design method and Transmission system suitable for the received data frame of high-speed motion | |
| CN108989842A (en) | Design method and Transmission system suitable for the received data frame of high-speed motion | |
| RU2013131179A (en) | METHOD FOR DISTRIBUTING CHANNEL RESOURCES IN A WIDE-BAND ACCESS SYSTEM FOR DATA TRANSFER, INCLUDING MULTIMEDIA DATA | |
| CN108989841A (en) | Design method and Transmission system suitable for the received data frame of high-speed motion | |
| US20170006248A1 (en) | Broadcast transmission device and operating method thereof, and broadcast reception device and operating method thereof | |
| FR2972322A1 (en) | Method for e.g. temporal synchronization of single input single output base station in single frequency network, involves synchronizing base station from one signal emitted by terminal, where base station is different from transmitter | |
| CN100551107C (en) | A kind of mobile multi-media broadcast terminal and obtain the method for service allocation list | |
| CN108989843A (en) | Design method and Transmission system suitable for the received data frame of high-speed motion | |
| CN111556076A (en) | Method for multi-path network real-time video transmission | |
| US20160227271A1 (en) | Broadcast transmission device and operating method thereof, and broadcast reception device and operating method thereof | |
| CN101335906B (en) | Multi-service information sending method, multi-service implementing method and communication device | |
| US20090252256A1 (en) | Fast acquisition in mediaflo systems | |
| CN101252682B (en) | Interactive digital television front end high unvoiced sound video interface system | |
| CN106791941A (en) | Wireless WiFi multi-media broadcasting systems and method | |
| CN101399974B (en) | Front end high definition audio and video interface device for interactive digital television and access method | |
| WO2009088230A2 (en) | Method and system for transmitting and receiving control information in broadcasting communication system | |
| CA2933602A1 (en) | Broadcast transmitting device and operating method thereof, and broadcast receiving device and operating method thereof | |
| CN201210730Y (en) | Front-end high definition audio and video interface device for interactive digital television | |
| CN102957942A (en) | Method, device and system for data transmission in digital multimedia broadcasting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |