CN103259610A - Data transmission method, device and system based on repetition coding - Google Patents
Data transmission method, device and system based on repetition coding Download PDFInfo
- Publication number
- CN103259610A CN103259610A CN2012100341083A CN201210034108A CN103259610A CN 103259610 A CN103259610 A CN 103259610A CN 2012100341083 A CN2012100341083 A CN 2012100341083A CN 201210034108 A CN201210034108 A CN 201210034108A CN 103259610 A CN103259610 A CN 103259610A
- Authority
- CN
- China
- Prior art keywords
- physical layer
- repeated encoding
- indication
- receiving terminal
- value
- 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
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0067—Rate matching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a data transmission method, device and system based on repetition coding, and relates to the technical field of data transmission. The data transmission method, the data transmission device and the data transmission system based on the repetition coding solve the problem that in the prior art, data transmission cannot be carried out through the repetition coding. The data transmission method based on the repetition coding comprises the steps that segmentation and repetition are carried out on data to be sent to generate repetition data, modulation is carried out on the data to generate physical layer data, wherein physical layer leading of the physical layer data comprises an indication identification with indication using the repetition coding, the physical layer data are sent to a receiving end, so that the receiving end combines the repetition data in the physical layer data after obtaining the indication identification with indication using the repetition coding, and carries out coding. The data transmission method, the data transmission device and the data transmission system based on the repetition coding is applicable to mobile devices such as mobile phone terminals and mobile computer terminals.
Description
Technical field
The present invention relates to technical field of data transmission, relate in particular to a kind of method, Apparatus and system based on repeated encoding transmission data.
Background technology
WiMAX (Wireless Fidelity, be called for short WIFI) technology be a kind of can be with PC, handheld device terminals such as (as palmtop PC, mobile phone terminals) with the interconnected technology of wireless mode.10 kinds of Modulation and Coding Scheme are arranged in current WIFI technology, be respectively Modulation and Coding Scheme 0 (Modulation and Coding Scheme 0, be called for short MCS0) to Modulation and Coding Scheme 9 (Modulation and Coding Scheme9, be called for short MCS9), define corresponding Modulation and Coding Scheme (Modulation and Coding Scheme is called for short MCS) value in the described WIFI technology and indicated described MCS0 to MCS9 (for example adopting binary system MCS value 0000 to 1001 to indicate MCS0 to MCS9 respectively) respectively.
The method of the transmission data of prior art is, transmitting terminal (can be network node, mobile phone terminal, the movable computer terminal) selects corresponding Modulation and Coding Scheme according to s own situation, for example the transmitting terminal plan adopts MCS9 that the data that described transmitting terminal will send are modulated transmission, the physical layer preamble that data then are set (comprises the Short Training field, long training field, contents such as physical layer signal territory) physical layer signal (the Physical Layer Signal in, abbreviation PHY SIG) the MCS field in territory is the MCS value (for example binary system MCS value 1001) of indication MCS9, transmitting terminal is modulated described data, and to send data to receiving terminal (can be network node, mobile phone terminal, the movable computer terminal).Receiving terminal is after having detected the data arrival, read the MCS field in the described PHY SIG territory, read obtain described MCS field for the indication MCS9 MCS value (for example reading and obtaining described MCS field is 1001) after, obtain the Modulation and Coding Scheme of described The data MCS9, described receiving terminal is used the data of MCS9 and is carried out demodulation and final decoding, finishes the process of whole transmission data.
But, when between transmitting terminal and the receiving terminal during distance (greater than 100 meters) far away, the received signal to noise ratio of receiving terminal is lower, receiving terminal is the code modulated signal of the described MCS0 to MCS9 of demodulation correctly, so a kind of Modulation and Coding Scheme MCS0-rep2 pattern is provided again, has been also referred to as the repeated encoding scheme.
The MCS0-rep2 pattern is under the situation of MCS0 modulation, transmitting terminal is done piece with data to be sent and is repeated back modulation generation repeating data, and repeating data sent to receiving terminal, and receiving terminal is after receiving repeating data, repeating data is merged decoding, thereby the equivalent signal-to-noise ratio of receiving terminal can be increased by 3 decibels, alleviate the low excessively problem of received signal to noise ratio.
Prior art is difficult to indicate the Modulation and Coding Scheme that adopts repeated encoding, causes the problem that can't adopt described repeated encoding transmission data.
Summary of the invention
Embodiments of the invention provide a kind of method, Apparatus and system based on repeated encoding transmission data, can solve because prior art is difficult to indicate the Modulation and Coding Scheme that adopts repeated encoding, cause the problem that can't adopt described repeated encoding transmission data.
The present invention adopts following technical scheme:
A kind of method based on repeated encoding transmission data comprises:
Data to be sent are done piece repeat to generate repeating data, and modulate to generate physical layer data, described physical layer data comprises physical layer preamble and described repeating data, and described physical layer preamble comprises the sign of indication employing repeated encoding;
Described receiving terminal sends described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign.
A kind of method based on repeated encoding transmission data comprises:
The physical layer data that receiving end/sending end sends, described physical layer data comprise sign and the repeating data of indication employing repeated encoding;
Acquiring after described indication adopts the sign of repeated encoding, merging the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
A kind of transmitting terminal comprises:
Generation unit, be used for that data to be sent are done piece and repeat to generate repeating data, and modulate to generate physical layer data, and described physical layer data comprises physical layer preamble and described repeating data, described physical layer preamble comprises the sign of indication employing repeated encoding;
Transmitting element is used for sending described physical layer data to receiving terminal, so that described receiving terminal can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign.
A kind of receiving terminal comprises:
Receiving element is used for the physical layer data that receiving end/sending end sends, and described physical layer data comprises sign and the repeating data of indication employing repeated encoding;
Merge decoding unit, be used for acquiring after described indication adopts the sign of repeated encoding, merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
A kind of system based on repeated encoding transmission data comprises transmitting terminal and receiving terminal, wherein,
Described transmitting terminal is used for that data to be sent are done piece and repeats to generate repeating data, and modulate to generate physical layer data, described physical layer data comprises physical layer preamble and repeating data, described physical layer preamble comprises the sign of indication employing repeated encoding, sends described physical layer data to receiving terminal;
Described receiving terminal is used for the physical layer data that receiving end/sending end sends, and is acquiring after described indication adopts the sign of repeated encoding, merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
Method, Apparatus and system based on repeated encoding transmission data that the embodiment of the invention provides, owing to repeat to generate repeating data by data to be sent are done piece, and after modulating to generate physical layer data, to have indication adopts the physical layer data of the sign of repeated encoding to send to receiving terminal, make receiving terminal after acquiring described sign, the mode of repeated encoding of can having known The data that described receiving terminal receives, and then can merge and decoding the repeating data in the physical layer data.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The flow chart based on the method for repeated encoding transmission data that Fig. 1 provides for the embodiment of the invention one;
The flow chart based on the method for repeated encoding transmission data that Fig. 2 provides for the embodiment of the invention two;
The flow chart based on the method for repeated encoding transmission data that Fig. 3 provides for the embodiment of the invention three;
The flow chart based on the method for repeated encoding transmission data that Fig. 4 provides for the embodiment of the invention four;
The flow chart based on the method for repeated encoding transmission data that Fig. 5 provides for the embodiment of the invention five;
The flow chart based on the method for repeated encoding transmission data that Fig. 6 provides for the embodiment of the invention six;
Fig. 7 is transmitting in the method for data based on repeated encoding that the embodiment of the invention six provides, the content structure figure of long training field LTF;
The structural representation one of the transmitting terminal that Fig. 8 provides for the embodiment of the invention seven;
The structural representation two of the transmitting terminal that Fig. 9 provides for the embodiment of the invention seven;
The structural representation one of the receiving terminal that Figure 10 provides for the embodiment of the invention eight;
The structural representation two of the receiving terminal that Figure 11 provides for the embodiment of the invention eight;
The structural representation based on the system of repeated encoding transmission data that Figure 12 provides for the embodiment of the invention nine.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
For the advantage that makes technical solution of the present invention is clearer, below in conjunction with drawings and Examples the present invention is elaborated.
Embodiment one
As shown in Figure 1, the method based on repeated encoding transmission data that the embodiment of the invention one provides, described method comprises:
Wherein, described physical layer data comprises physical layer preamble and repeating data, and described physical layer preamble comprises the sign of indication employing repeated encoding.
Described receiving terminal step 102, sends described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign.
The executive agent of the embodiment of the invention one is a kind of transmitting terminal, and described transmitting terminal can be as network node, mobile phone terminal, movable computer terminal etc., but not only is confined to this.
Embodiment two
As shown in Figure 2, the method based on repeated encoding transmission data that the embodiment of the invention two provides, described method comprises:
The physical layer data that step 201, receiving end/sending end send.
Wherein, described physical layer data comprises sign and the repeating data of indication employing repeated encoding.
The executive agent of the embodiment of the invention two is a kind of receiving terminal, and described receiving terminal can be as network node, mobile phone terminal, movable computer terminal etc., but not only is confined to this.
The method based on repeated encoding transmission data that adopts the embodiment of the invention to provide, owing to repeat to generate repeating data by data to be sent are done piece, and after modulating to generate physical layer data, to have indication adopts the physical layer data of the sign of repeated encoding to send to receiving terminal, make receiving terminal after acquiring described sign, the mode of repeated encoding of can having known The data that described receiving terminal receives, and then can merge and decoding the repeating data in the physical layer data.
In order to make those skilled in the art better understand the technical scheme that the embodiment of the invention provided, will further introduce the method based on repeated encoding transmission data that provides in the embodiment of the invention by several instantiations below.
Embodiment three
As shown in Figure 3, the method based on repeated encoding transmission data that the embodiment of the invention three provides, described method comprises:
Wherein, described physical layer data comprises physical layer preamble and repeating data, and described physical layer preamble comprises Modulation and Coding Scheme (Modulation and Coding Scheme the is called for short MCS) value of indication employing repeated encoding.
Concrete, it is WiMAX (Wireless Fidelity that the MCS value of repeated encoding is adopted in described indication, abbreviation WIFI) physical layer signal (the Physical Layer Signal of physical layer preamble described in the technology, abbreviation PHY SIG) predefined MCS value in the territory, for example binary number 0000 to 1001 has been indicated MCS0 to MCS9 scheme respectively, and binary number 1010 to 1111 is not temporarily used, therefore can in the WIFI technology, a pre-defined binary number be the MCS value, for example, pre-defined binary number 1111 adopts the MCS value of repeated encoding in the WIFI technology for indication, then described transmitting terminal arranges and indicates the MCS value that adopts repeated encoding to be binary number 1111 for the MCS value that transmitting terminal arranges in the physical layer preamble, indicates the employing repeated encoding with this.
For example, receiving terminal is acquiring described physical layer data, and after judging that obtain described MCS value is binary number 1111, merges the repeating data row decoding of going forward side by side according to the mode of repeated encoding, but not only is confined to this.
Embodiment four
As shown in Figure 4, the method based on repeated encoding transmission data that the embodiment of the invention four provides, described method comprises:
Wherein, described physical layer data comprises physical layer preamble and repeating data, and described physical layer preamble comprises the MCS value of indication employing Modulation and Coding Scheme and the pleonasm segment value that repeated encoding is adopted in indication.
Wherein, described pleonasm segment value comprises a bit value in the physical layer signal territory of described physical layer preamble.
Concrete, in the WIFI technology pre-defined the MCS value of MCS0 (binary number 0000), in the physical layer signal territory of described physical layer preamble, there is the bit value that keeps, in the WIFI technology, can adopt a bit value to indicate the repeated encoding mode that adopts as the pleonasm segment value, for example definition pleonasm segment value is the mode of 1 o'clock employing repeated encoding in the WIFI technology, be not adopt the mode of repeated encoding at 0 o'clock, then described transmitting terminal arranges indication to adopt the MCS value of Modulation and Coding Scheme MCS0 is binary number 0000 in described physical layer preamble, and the pleonasm segment value is set is 1.
For example, receiving terminal is acquiring described physical layer data, and judge the MCS value obtain described physical layer data be binary number 0000 and obtain the pleonasm segment value and be 1 after, merge the repeating data row decoding of going forward side by side according to the mode of repeated encoding, but not only be confined to this.
Embodiment five
As shown in Figure 5, the method based on repeated encoding transmission data that the embodiment of the invention five provides, described method comprises:
Wherein, described physical layer data comprises physical layer preamble and repeating data, fluxion value when described physical layer preamble comprises the MCS value of indication employing Modulation and Coding Scheme, the space-time block code value of indicating the employing repeated encoding and sky.
Concrete, in the WIFI technology pre-defined the MCS value of MCS0 (binary number 0000), fluxion and space-time block code value when in the physical layer signal territory of described physical layer preamble, having sky, because among the MCS0 to MCS9, WIFI technology definition: be 1 o'clock at the space-time block code value, fluxion is 2 times (the space fluxion is 1 or 2) of space fluxion when empty, fluxion is 2 or 4 when namely empty, (fluxion was 00 to 11 when the definition of WIFI technology was empty to be 01 or 11 with binary representation, fluxion is 1 to 4 when being used to refer to sky respectively), so under the situation of MCS0 to MCS9, fluxion is binary number 01 or 11 when empty, fluxion is that binary number 00 or 10 is indicated the mode that adopts repeated encoding in the time of can sky being set in the WIFI technology, then described transmitting terminal can arrange the MCS value for binary number 0000 in described physical layer preamble, and the space-time block code value is set is 1, and fluxion was binary number 00 or 10 when sky was set.
For example, receiving terminal is acquiring physical layer data, and judge that the MCS value that obtains physical layer data is binary number 0000, described space-time block code value is 1, after fluxion is binary number 00 or 10 when empty, merge the repeating data row decoding of going forward side by side according to the mode of repeated encoding, but not only be confined to this.
Embodiment six
As shown in Figure 6, the method based on repeated encoding transmission data that the embodiment of the invention six provides, described method comprises:
Wherein, described physical layer data comprises physical layer preamble and repeating data, and described physical layer preamble comprises the MCS value of indication employing Modulation and Coding Scheme and the long training field (Long Training Field is called for short LTF) in the described physical layer preamble.
Concrete; in the WIFI technology pre-defined the MCS value of MCS0 (binary number 0000); in described physical layer preamble, LTF is arranged; described LTF comprises four long training sequences (Long Training Sequence; be called for short LTS); under the situation of MCS0 to MCS9; described long training field LTF content structure as shown in Figure 7; described LTF is with double protection interval (Double Guard Interval; be called for short DGI) beginning; be provided with continuous two LTS behind the described DGI; after described continuous two LTS, set gradually protection (Guard Interval at interval; be called for short GI); LTS; GI; LTS; the symbol polarity of four LTS is identical; and symbol polarity or the symbol polarity of the 4th LTS or the symbol polarity of the 3rd LTS and the 4th LTS of the 3rd LTS can be set in the WIFI technology, and opposite with the symbol polarity of first LTS, indicate the mode that has adopted repeated encoding with this.Then described transmitting terminal can arrange the MCS value adopts MCS0 for indication binary number 0000 in described physical layer preamble, and the symbol polarity that the symbol polarity of the symbol polarity of the 3rd LTS of long training field LTF or the 4th LTS or the 3rd LTS and the 4th LTS be set for the symbol polarity of first LTS oppositely, even the symbol polarity of first LTS is positive sign, and then the symbol polarity of the symbol polarity of the symbol polarity of the 3rd LTS or the 4th LTS or the 3rd LTS and the 4th LTS is negative sign.
For example, receiving terminal is acquiring physical layer data, and judge that the MCS value that obtains described physical layer data is binary number 0000, the symbol polarity of the symbol polarity of the 3rd LTS among the LTF or the symbol polarity of the 4th LTS or the 3rd LTS and the 4th LTS, for the symbol polarity of first LTS oppositely after, merge the repeating data row decoding of going forward side by side according to the mode of repeated encoding, but not only be confined to this.
Method, the Apparatus and system based on the repeated encoding transmission data that adopt the embodiment of the invention to provide, owing to repeat to generate repeating data by data to be sent are done piece, and after modulating to generate physical layer data, to have indication adopts the physical layer data of the sign of repeated encoding to send to receiving terminal, make receiving terminal after acquiring described sign, the mode of repeated encoding of can having known The data that described receiving terminal receives, and then can merge and decoding the repeating data in the physical layer data.
The embodiment of the invention can be to carry out transfer of data between website among the WLAN (STA) and the access point (AP, Access Point), and AP is transmitting terminal, and SAT is receiving terminal.Can think that sometimes AP is a special website.Can think website (STA) and access point transmitting terminal and receiving terminal each other.So receiving terminal or transmitting terminal can be a STA or AP in the following embodiments, system can be the WLAN that website (STA) and access point (AP, Access Point) are formed.
Embodiment seven
As shown in Figure 8, the transmitting terminal that the embodiment of the invention seven provides comprises:
Transmitting element 72 is used for sending described physical layer data to receiving terminal, so that described receiving terminal can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign.Its specific implementation repeats no more referring among Fig. 1 shown in the step 102 herein.
What deserves to be explained is that the transmitting terminal that the embodiment of the invention provides can be as network node, mobile phone terminal, movable computer terminal etc., but not only is confined to this.
Further, as shown in Figure 9, described sign adopts the Modulation and Coding Scheme MCS value of repeated encoding for indication.
Described transmitting element 72 comprises:
First sending module 721 is used for sending described physical layer data to receiving terminal, so that described receiving terminal can merge the described repeating data row decoding of going forward side by side according to the mode of described repeated encoding acquiring after the MCS value of repeated encoding is adopted in described indication.Its specific implementation repeats no more referring among Fig. 3 shown in the step 302-303 herein.
Further, as shown in Figure 9, described sign adopts the MCS value of Modulation and Coding Scheme and the pleonasm segment value of indication employing repeated encoding for indication, and described pleonasm segment value comprises a bit value in the physical layer signal territory of described physical layer preamble.
Described transmitting element 72 comprises:
Further, as shown in Figure 9, described sign is fluxion value when indicating the MCS value that adopts Modulation and Coding Scheme, the space-time block code value of indicating the employing repeated encoding and sky.
Described transmitting element 72 comprises:
The 3rd sending module 723, described receiving terminal is used for sending described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side when adopting the MCS value of Modulation and Coding Scheme, described indication to adopt the space-time block code value of repeated encoding and sky according to the mode of repeated encoding acquiring described indication after the fluxion value.Its specific implementation repeats no more referring among Fig. 5 shown in the step 502-503 herein.
Further, as shown in Figure 9, described sign adopts the MCS value of Modulation and Coding Scheme and the long training field LTF in the physical layer preamble for indication, described LTF comprises four long training sequence LTS, wherein the symbol polarity of the symbol polarity of the symbol polarity of the 3rd LTS or the 4th LTS or the 3rd LTS and the 4th LTS is opposite with the symbol polarity of first LTS.
Described transmitting element 72 comprises:
The 4th sending module 724, described receiving terminal be used for to be used for sending described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding acquiring after the MCS value of Modulation and Coding Scheme and the LTF in the described physical layer preamble are adopted in described indication.Its specific implementation repeats no more referring among Fig. 6 shown in the step 602-603 herein.
The transmitting terminal that adopts the embodiment of the invention to provide, because transmitting terminal is done piece by generation unit with data to be sent and is repeated to generate repeating data, and after modulating to generate physical layer data, transmitting element will have the physical layer data of the sign of indicating the employing repeated encoding to receiving terminal, make receiving terminal after acquiring described sign, the mode of repeated encoding of can having known The data that described receiving terminal receives, and then can merge and decoding the repeating data in the physical layer data.
Embodiment eight
As shown in figure 10, the receiving terminal that the embodiment of the invention eight provides comprises:
Receiving element 81 is used for the physical layer data that receiving end/sending end sends, and described physical layer data comprises sign and the repeating data of indication employing repeated encoding.Its specific implementation repeats no more referring among Fig. 2 shown in the step 201 herein.
What deserves to be explained is that the receiving terminal that the embodiment of the invention provides can be as network node, mobile phone terminal, movable computer terminal etc., but not only is confined to this.
Further, as shown in figure 11, described sign adopts the Modulation and Coding Scheme MCS value of repeated encoding for indication.
Described merging decoding unit 82 comprises:
First merges decoding module 821, is used for acquiring after described indication adopts the Modulation and Coding Scheme MCS value of repeated encoding, merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.Its specific implementation repeats no more referring among Fig. 3 shown in the step 303 herein.
Further, as shown in figure 11, described sign adopts the MCS value of Modulation and Coding Scheme and the pleonasm segment value of indication employing repeated encoding for indication, and described pleonasm segment value comprises a bit value in the physical layer signal territory of described physical layer preamble.
Described merging decoding unit 82 comprises:
Second merges decoding module 822, is used for acquiring after described indication adopts the MCS value and described pleonasm segment value of Modulation and Coding Scheme, merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.Its specific implementation repeats no more referring among Fig. 4 shown in the step 403 herein.
Further, as shown in figure 11, described sign is fluxion value when indicating the MCS value that adopts Modulation and Coding Scheme, the space-time block code value of indicating the employing repeated encoding and sky.
Described merging decoding unit 82 comprises:
The 3rd merges decoding module 823, be used for acquiring described indication when adopting the MCS value of Modulation and Coding Scheme, described indication to adopt the space-time block code value of repeated encoding and sky after the fluxion value, merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.Its specific implementation repeats no more referring among Fig. 5 shown in the step 503 herein.
Further, as shown in figure 11, described sign adopts the MCS value of Modulation and Coding Scheme and the long training field LTF in the physical layer preamble for indication, described LTF comprises four long training sequence LTS, wherein the symbol polarity of the symbol polarity of the symbol polarity of the 3rd LTS or the 4th LTS or the 3rd LTS and the 4th LTS is opposite with the symbol polarity of first LTS.
Described merging decoding unit 82 comprises:
The 4th merges decoding module 824, is used for acquiring after described indication adopts the LTF of the MCS value of Modulation and Coding Scheme and described physical layer preamble, merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.Its specific implementation repeats no more referring among Fig. 6 shown in the step 603 herein.
The receiving terminal that adopts the embodiment of the invention to provide, the physical layer data that the sign of repeated encoding is adopted in indication that has by the transmission of receiving element receiving end/sending end, merge decoding unit after acquiring described sign, the mode of repeated encoding that described receiving terminal can have been known The data that described receiving terminal receives, and then can merge and decoding repeating data.
Embodiment nine
As shown in figure 12, the system based on repeated encoding transmission data that the embodiment of the invention nine provides comprises above-mentioned transmitting terminal 91 and receiving terminal 92.
Wherein, described transmitting terminal 91 is used for that data to be sent are done piece and repeats to generate repeating data, and modulate to generate physical layer data, described physical layer data comprises physical layer preamble and described repeating data, described physical layer preamble comprises the sign of indication employing repeated encoding, sends described physical layer data to receiving terminal 92.
Described receiving terminal 92 is used for the physical layer data that receiving end/sending end 91 sends, and is acquiring after described indication adopts the sign of repeated encoding, merges the repeating data row decoding of going forward side by side according to the mode of repeated encoding.
Its specific implementation can repeat no more referring to the specific embodiment of above-mentioned transmitting terminal and receiving terminal herein.
The system based on repeated encoding transmission data that adopts the embodiment of the invention to provide, owing to by transmitting terminal data to be sent are done piece and repeat to generate repeating data, and after modulating to generate physical layer data, transmission has the physical layer data of sign to receiving terminal, make receiving terminal after acquiring described sign, the mode of repeated encoding of can having known The data that described receiving terminal receives, and then can merge and decoding the repeating data in the physical layer data.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
Claims (21)
1. the method based on repeated encoding transmission data is characterized in that, comprising:
Data to be sent are done piece repeat to generate repeating data, and modulate to generate physical layer data, described physical layer data comprises physical layer preamble and described repeating data, and described physical layer preamble comprises the sign of indication employing repeated encoding;
Described receiving terminal sends described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign.
2. method according to claim 1 is characterized in that, described sign is the Modulation and Coding Scheme MCS value of indication employing repeated encoding,
Describedly send described physical layer data to receiving terminal, so that described receiving terminal can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign, comprising:
Described receiving terminal sends described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side according to the mode of described repeated encoding acquiring after the MCS value of repeated encoding is adopted in described indication.
3. method according to claim 1, it is characterized in that, described sign adopts the MCS value of Modulation and Coding Scheme and the pleonasm segment value of indication employing repeated encoding for indication, and described pleonasm segment value comprises a bit value in the physical layer signal territory of described physical layer preamble
Describedly send described physical layer data to receiving terminal, so that described receiving terminal can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign, comprising:
Described receiving terminal sends described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding acquiring after the pleonasm segment value of the MCS value of Modulation and Coding Scheme and described indication employing repeated encoding is adopted in described indication.
4. method according to claim 1 is characterized in that, described sign is fluxion value when indicating the MCS value that adopts Modulation and Coding Scheme, the space-time block code value of indicating the employing repeated encoding and sky,
Describedly send described physical layer data to receiving terminal, so that described receiving terminal can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign, comprising:
Described receiving terminal sends described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side when adopting the MCS value of Modulation and Coding Scheme, described indication to adopt the space-time block code value of repeated encoding and sky according to the mode of repeated encoding acquiring described indication after the fluxion value.
5. method according to claim 1, it is characterized in that, described sign adopts the MCS value of Modulation and Coding Scheme and the long training field LTF in the physical layer preamble for indication, described LTF comprises four long training sequence LTS, the symbol polarity of the symbol polarity of the symbol polarity of the 3rd LTS or the 4th LTS or the 3rd LTS and the 4th LTS wherein, opposite with the symbol polarity of first LTS
Describedly send described physical layer data to receiving terminal, so that described receiving terminal can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign, comprising:
Described receiving terminal sends described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding acquiring after the MCS value of Modulation and Coding Scheme and the LTF in the described physical layer preamble are adopted in described indication.
6. the method based on repeated encoding transmission data is characterized in that, comprising:
The physical layer data that receiving end/sending end sends, described physical layer data comprise sign and the repeating data of indication employing repeated encoding;
Acquiring after described indication adopts the sign of repeated encoding, merging the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
7. method according to claim 6 is characterized in that, described sign is the Modulation and Coding Scheme MCS value of indication employing repeated encoding,
Described acquiring after described indication adopts the sign of repeated encoding merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding, comprising:
Acquiring after described indication adopts the Modulation and Coding Scheme MCS value of repeated encoding, merging the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
8. method according to claim 6, it is characterized in that, described sign adopts the MCS value of Modulation and Coding Scheme and the pleonasm segment value of indication employing repeated encoding for indication, and described pleonasm segment value comprises a bit value in the physical layer signal territory of physical layer preamble
Described acquiring after described indication adopts the sign of repeated encoding merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding, comprising:
Acquiring after described indication adopts the MCS value and described pleonasm segment value of Modulation and Coding Scheme, merging the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
9. method according to claim 6 is characterized in that, described sign is fluxion value when indicating the MCS value that adopts Modulation and Coding Scheme, the space-time block code value of indicating the employing repeated encoding and sky,
Described acquiring after described indication adopts the sign of repeated encoding merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding, comprising:
Acquire described indication when adopting the MCS value of Modulation and Coding Scheme, described indication to adopt the space-time block code value of repeated encoding and sky after the fluxion value, merging the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
10. method according to claim 6, it is characterized in that, described sign adopts the MCS value of Modulation and Coding Scheme and the long training field LTF in the physical layer preamble for indication, described LTF comprises four long training sequence LTS, the symbol polarity of the symbol polarity of the symbol polarity of the 3rd LTS or the 4th LTS or the 3rd LTS and the 4th LTS wherein, opposite with the symbol polarity of first LTS
Described acquiring after described indication adopts the sign of repeated encoding merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding, comprising:
Acquiring after described indication adopts the MCS value and the LTF in the described physical layer preamble of Modulation and Coding Scheme, merging the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
11. a transmitting terminal is characterized in that, comprising:
Generation unit, be used for that data to be sent are done piece and repeat to generate repeating data, and modulate to generate physical layer data, and described physical layer data comprises physical layer preamble and described repeating data, described physical layer preamble comprises the sign of indication employing repeated encoding;
Transmitting element is used for sending described physical layer data to receiving terminal, so that described receiving terminal can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding after acquiring described sign.
12. transmitting terminal according to claim 11 is characterized in that, described sign is the Modulation and Coding Scheme MCS value of indication employing repeated encoding,
Described transmitting element comprises:
First sending module is used for sending described physical layer data to receiving terminal, so that described receiving terminal can merge the described repeating data row decoding of going forward side by side according to the mode of described repeated encoding acquiring after the MCS value of repeated encoding is adopted in described indication.
13. transmitting terminal according to claim 11, it is characterized in that, described sign adopts the MCS value of Modulation and Coding Scheme and the pleonasm segment value of indication employing repeated encoding for indication, and described pleonasm segment value comprises a bit value in the physical layer signal territory of described physical layer preamble
Described transmitting element comprises:
Second sending module, described receiving terminal is used for sending described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding acquiring after the pleonasm segment value of the MCS value of Modulation and Coding Scheme and described indication employing repeated encoding is adopted in described indication.
14. transmitting terminal according to claim 11 is characterized in that, described sign is fluxion value when indicating the MCS value that adopts Modulation and Coding Scheme, the space-time block code value of indicating the employing repeated encoding and sky,
Described transmitting element comprises:
The 3rd sending module, described receiving terminal is used for sending described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side when adopting the MCS value of Modulation and Coding Scheme, described indication to adopt the space-time block code value of repeated encoding and sky according to the mode of repeated encoding acquiring described indication after the fluxion value.
15. transmitting terminal according to claim 11, it is characterized in that, described sign adopts the MCS value of Modulation and Coding Scheme and the long training field LTF in the physical layer preamble for indication, described LTF comprises four long training sequence LTS, the symbol polarity of the symbol polarity of the symbol polarity of the 3rd LTS or the 4th LTS or the 3rd LTS and the 4th LTS wherein, opposite with the symbol polarity of first LTS
Described transmitting element comprises:
The 4th sending module, described receiving terminal is used for sending described physical layer data to receiving terminal, so that can merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding acquiring after the MCS value of Modulation and Coding Scheme and the LTF in the described physical layer preamble are adopted in described indication.
16. a receiving terminal is characterized in that, comprising:
Receiving element is used for the physical layer data that receiving end/sending end sends, and described physical layer data comprises sign and the repeating data of indication employing repeated encoding;
Merge decoding unit, be used for acquiring after described indication adopts the sign of repeated encoding, merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
17. receiving terminal according to claim 16 is characterized in that, described sign is the Modulation and Coding Scheme MCS value of indication employing repeated encoding,
Described merging decoding unit comprises:
First merges decoding module, is used for acquiring after described indication adopts the Modulation and Coding Scheme MCS value of repeated encoding, merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
18. receiving terminal according to claim 16, it is characterized in that, described sign adopts the MCS value of Modulation and Coding Scheme and the pleonasm segment value of indication employing repeated encoding for indication, and described pleonasm segment value comprises a bit value in the physical layer signal territory of physical layer preamble
Described merging decoding unit comprises:
Second merges decoding module, is used for acquiring after described indication adopts the MCS value and described pleonasm segment value of Modulation and Coding Scheme, merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
19. receiving terminal according to claim 16 is characterized in that, described sign is fluxion value when indicating the MCS value that adopts Modulation and Coding Scheme, the space-time block code value of indicating the employing repeated encoding and sky,
Described merging decoding unit comprises:
The 3rd merges decoding module, be used for acquiring described indication when adopting the MCS value of Modulation and Coding Scheme, described indication to adopt the space-time block code value of repeated encoding and sky after the fluxion value, merge the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
20. receiving terminal according to claim 16, it is characterized in that, described sign adopts the MCS value of Modulation and Coding Scheme and the long training field LTF in the physical layer preamble for indication, described LTF comprises four long training sequence LTS, the symbol polarity of the symbol polarity of the symbol polarity of the 3rd LTS or the 4th LTS or the 3rd LTS and the 4th LTS wherein, opposite with the symbol polarity of first LTS
Described merging decoding unit comprises:
The 4th merges decoding module, is used for acquiring after described indication adopts the LTF of the MCS value of Modulation and Coding Scheme and described physical layer preamble, merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
21. the system based on repeated encoding transmission data is characterized in that, comprises transmitting terminal and receiving terminal, wherein,
Described transmitting terminal is used for that data to be sent are done piece and repeats to generate repeating data, and modulate to generate physical layer data, described physical layer data comprises physical layer preamble and repeating data, described physical layer preamble comprises the sign of indication employing repeated encoding, sends described physical layer data to receiving terminal;
Described receiving terminal is used for the physical layer data that receiving end/sending end sends, and is acquiring after described indication adopts the sign of repeated encoding, merges the described repeating data row decoding of going forward side by side according to the mode of repeated encoding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210034108.3A CN103259610B (en) | 2012-02-15 | 2012-02-15 | The method of data, Apparatus and system is transmitted based on repeated encoding |
| PCT/CN2013/071484 WO2013120433A1 (en) | 2012-02-15 | 2013-02-07 | Data transmission method, device and system on the basis of repeated encoding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210034108.3A CN103259610B (en) | 2012-02-15 | 2012-02-15 | The method of data, Apparatus and system is transmitted based on repeated encoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103259610A true CN103259610A (en) | 2013-08-21 |
| CN103259610B CN103259610B (en) | 2016-06-15 |
Family
ID=48963337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210034108.3A Expired - Fee Related CN103259610B (en) | 2012-02-15 | 2012-02-15 | The method of data, Apparatus and system is transmitted based on repeated encoding |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103259610B (en) |
| WO (1) | WO2013120433A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015027755A1 (en) * | 2013-08-30 | 2015-03-05 | 华为技术有限公司 | Physical layer coding/decoding method and apparatus thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101133613A (en) * | 2005-01-12 | 2008-02-27 | 三星电子株式会社 | Apparatus and method for transmitting information data in a wireless communication system |
| CN101282194A (en) * | 2007-04-06 | 2008-10-08 | 华为技术有限公司 | Transmission/receive method capable of implementing block retransmission as well as transmitter and receiver |
| CN101494637A (en) * | 2008-01-24 | 2009-07-29 | 中兴通讯股份有限公司 | Terminal access method and frame structure for WiMAX evolution system |
| US20090257406A1 (en) * | 2008-04-09 | 2009-10-15 | Nextwave Broadband, Inc. | Reduction of transmission overhead in a wireless communication system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431490A (en) * | 2007-10-30 | 2009-05-13 | 大唐移动通信设备有限公司 | Pilot frequency insertion method, apparatus, base station and customer equipment of orthogonal frequency division multiplexing system |
-
2012
- 2012-02-15 CN CN201210034108.3A patent/CN103259610B/en not_active Expired - Fee Related
-
2013
- 2013-02-07 WO PCT/CN2013/071484 patent/WO2013120433A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101133613A (en) * | 2005-01-12 | 2008-02-27 | 三星电子株式会社 | Apparatus and method for transmitting information data in a wireless communication system |
| CN101282194A (en) * | 2007-04-06 | 2008-10-08 | 华为技术有限公司 | Transmission/receive method capable of implementing block retransmission as well as transmitter and receiver |
| CN101494637A (en) * | 2008-01-24 | 2009-07-29 | 中兴通讯股份有限公司 | Terminal access method and frame structure for WiMAX evolution system |
| US20090257406A1 (en) * | 2008-04-09 | 2009-10-15 | Nextwave Broadband, Inc. | Reduction of transmission overhead in a wireless communication system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015027755A1 (en) * | 2013-08-30 | 2015-03-05 | 华为技术有限公司 | Physical layer coding/decoding method and apparatus thereof |
| CN104426629A (en) * | 2013-08-30 | 2015-03-18 | 华为技术有限公司 | Physical layer coding and decoding methods and devices |
| US9467165B2 (en) | 2013-08-30 | 2016-10-11 | Huawei Technologies Co., Ltd. | Physical layer encoding and decoding method and apparatuses thereof |
| CN104426629B (en) * | 2013-08-30 | 2017-08-04 | 华为技术有限公司 | A kind of physical layer decoding method and its device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103259610B (en) | 2016-06-15 |
| WO2013120433A1 (en) | 2013-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2577928B1 (en) | Avoiding spectral lines on pilot tones in ieee 802.11ac by avoiding r matrix of all ones | |
| EP3379753A1 (en) | Uplink control information sending method and device | |
| CN102612849B (en) | The method and apparatus of information transmitting and reception | |
| CN107872290B (en) | Method for identifying UE, network side equipment, UE and system | |
| EP3614701A1 (en) | Polar code transmission method and device | |
| CN103546252A (en) | Optimal error protection coding for MIMO ACK/NACK/PRE/POST information | |
| CN102025448B (en) | Common public radio interface service transmitting/receiving method and device | |
| CN102752058B (en) | Audio data transmission system, audio data transmission device and electronic sign tool | |
| CN103973402A (en) | Data transmitting method, data receiving method and equipment | |
| CN102868480A (en) | Detecting and transmitting methods of control signaling and user equipment and base station | |
| CN103825675A (en) | Coding method and apparatus in secondary ultrasonic communication | |
| CN111934714A (en) | Anti-interference communication method and device | |
| CN114051006A (en) | Data transmission method, data transmission device, computer equipment and storage medium | |
| US8255753B2 (en) | Encoding/decoding technique for rebroadcasting lost packets | |
| CN103763071B (en) | Method and device for notifying reference signal configuration information | |
| CN103517439A (en) | Position processing method, base station and terminal | |
| CN103812610A (en) | Data communication method, terminal and information safety equipment | |
| CN101547036A (en) | Reference signal transmission method, equipment and system after transmitting antenna extending | |
| CN103259610A (en) | Data transmission method, device and system based on repetition coding | |
| CN102265541B (en) | Bler estimation method and communication device | |
| CN103001816A (en) | Data communication method and data communication equipment | |
| CN110167154B (en) | Method for transmitting uplink signal, communication device and computer readable storage medium | |
| CN1917494B (en) | Wireless communication system, reception device, demodulating method | |
| CN102801675B (en) | Method and system for transmitting indication information as well as method for receiving indication information and equipment | |
| CN108334469A (en) | A kind of mthods, systems and devices of high-speed differential serial data transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20180215 |