CN102821072A - Sending method, receiving method, sending system, receiving system, sending device and receiving device for IQ (In-phase quadrature) data - Google Patents
Sending method, receiving method, sending system, receiving system, sending device and receiving device for IQ (In-phase quadrature) data Download PDFInfo
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Abstract
The invention provides a sending method, a receiving method, a sending system, a receiving system, a sending device and a receiving device for IQ (in-phase quadrature) data. The sending method for IQ data includes: IQ data to be sent are divided into a plurality of data blocks, each data block comprises a plurality of IQ data, continuous n effective bits are intercepted from the highest bit of each IQ data of each data block, compressibility factors are determined according to the intercepted effective bits, compressed IQ data formed by the compressibility factors, sign bits and the intercepted effective bits and are sent, and data size of the IQ data is reduced greatly since partial data of each IQ data are intercepted to be effective data and the compressed IQ data are formed. Therefore, hardware equipment need not be improved, the existing hardware equipment is directly used, and the transmission requirement for optical port rate can also be met.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of inphase quadrature signal (In-phase Quadrature, IQ) data sending, receiving method, system and device.
Background technology
Data compression comprises lossy compression method and lossless compress, and lossy compression method is meant according to certain algorithm data are reorganized, and reduces the redundancy of data and a kind of technical method of memory space.Lossless compress is meant that under the prerequisite of drop-out not the reduction data volume improves a kind of technical method of its transmission, storage and treatment effeciency to reduce memory space.
Lossy compression method is to have utilized the mankind to the insensitive characteristic of some frequency content in image or the sound wave; Allow the certain information of loss in the compression process; Though can not recover initial data fully; But the part of being lost is less to the influence of understanding original image, has but brought much bigger compression ratio.Lossy compression method is widely used in voice, image and compression of video data.
Lossless compress is to utilize the statistical redundancy of data to compress, and can recover initial data fully and do not cause any distortion, but compression ratio is the one theory that receives the data statistics redundancy, is generally 2: 1 to 5: 1.Lossless compress is widely used in the compression of the view data of text data, program and particular application, for example fingerprint image, medical image etc.
Radio frequency at distributed base station zooms out in the structure; Base station (Evolved NodeB; ENodeB) be by evolved indoor baseband processing unit (Evolved Building Base band Unit, eBBU) (Evolved Radio Remote Unit eRRU) constitutes with evolved Remote Radio Unit; Connect through optical fiber or cable between eBBU and the eRRU, adopt general common rf interface or open agreements such as wave point to carry out data interaction.
Develop rapidly along with wireless communication technology; Wireless telecommunication system needs constantly to increase the quantity that bandwidth perhaps increases antenna; Satisfy the high communication need of People more and more through improving light mouth speed,, need the supporting hardware device that satisfies this light mouth speed along with the increase of light mouth speed; But the hardware device cost that satisfies this light mouth speed is higher, and message transmission rate receives the restriction of this hardware device.
Summary of the invention
In view of this; A kind of inphase quadrature signal IQ data sending, receiving method, system and device are provided in the present invention; In order to solve the increase of light mouth speed in the prior art, the supporting hardware device cost that causes increases, and the problem of restricting data transmission rate.
The present invention provides a kind of sending method of inphase quadrature signal IQ data, and this sending method comprises the steps:
IQ data to be sent are divided into a plurality of data blocks, comprise a plurality of IQ data in each data block, comprise a plurality of bits in each IQ data;
To each data block, in a plurality of IQ data that this data block comprises, begin the continuous n bit of intercepting significance bit from highest order, wherein n is the integer that is not more than the number of bits that comprises in the IQ data;
The number of bits that comprises according to each IQ data in this data block, and the number of significant digit of intercepting are confirmed the compressibility factor of each IQ data;
According to the compressibility factor of each IQ data of confirming, the significance bit of intercepting, and the sign bit of each IQ data are obtained each the IQ data after the compression and are sent.
The present invention provides a kind of method of reseptance of inphase quadrature signal IQ data, and this method of reseptance comprises the steps:
Receive each compressed IQ data;
The compressibility factor of carrying in each compressed IQ data according to this is recovered this and is compressed the bit of being deleted in the IQ data;
This that recovers is compressed the bit of being deleted in the IQ data, adds to after the significance bit of intercepting in this compressed data, and be compressed the sign bit that carries in the IQ data, obtain the preceding IQ data of compression according to this.
The present invention provides a kind of dispensing device of inphase quadrature signal IQ data, and this dispensing device comprises:
Divide module, be used for IQ data to be sent are divided into a plurality of data blocks, comprise a plurality of IQ data in each data block, comprise a plurality of bits in each IQ data;
Interception module is used in a plurality of IQ data that this data block comprises, beginning intercepting continuous n bit significance bit from highest order to each data block, and wherein n is not more than the number of bits that comprises in the IQ data;
Sending module is used for the number of bits that comprises according to each IQ data of this data block, and the significance bit of intercepting, confirms the compressibility factor of each IQ data; According to the compressibility factor of each IQ data of confirming, the number of significant digit of intercepting, and the sign bit of each IQ data obtain each the IQ data after the compression and send.
The present invention provides a kind of receiving system of inphase quadrature signal IQ data, and this receiving system comprises:
First recovers module, is used to receive each compressed IQ data; The compressibility factor of carrying in each compressed IQ data according to this is recovered this and is compressed the bit of being deleted in the IQ data;
Second recovers module, is used for this that recovers is compressed the bit that the IQ data are deleted, and adds to after the significance bit of intercepting in this compressed data, and is compressed the sign bit that carries in the IQ data according to this, obtains the preceding IQ data of compression.
The invention provides a kind of transmission system of inphase quadrature signal IQ data, this system comprises above-mentioned dispensing device and receiving system.
The invention provides a kind of IQ data sending, receiving method, system and device, in this data transmission method for uplink IQ data to be sent are divided into a plurality of data blocks, each data block comprises a plurality of IQ data; To each data block; Begin the continuous n bit of intercepting significance bit from the highest order of each IQ data of this data block, confirm compressibility factor, and obtain significance bit by compressibility factor, sign bit and intercepting and constitute the IQ data after the compression and send according to the significance bit of intercepting; Since in the present invention in each IQ data intercepting partial data as valid data; Constitute the IQ data after compressing, significantly reduced the data volume of IQ data, therefore unnecessary raising hardware device; Directly adopt existing hardware equipment, also can satisfy the transmission demand of light mouth speed.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes a part of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the process of transmitting of a kind of inphase quadrature signal IQ data provided by the invention;
Fig. 2 is the detailed process that IQ data provided by the invention are sent;
Fig. 3 is the receiving course of a kind of IQ data provided by the invention;
Fig. 4 is the dividing data piece of IQ data in the embodiment of the invention one and the sketch map of compression;
Fig. 5 is the dividing data piece of IQ data in the embodiment of the invention three and the sketch map of compression;
Fig. 6 is the dispensing device structural representation of a kind of inphase quadrature signal IQ data provided by the invention;
Fig. 7 is the receiving system structural representation of a kind of inphase quadrature signal IQ data provided by the invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present invention reduces the dependence to the hardware device configuration under the prerequisite that promotes in light mouth speed, and a kind of sending, receiving method, system and device of IQ data is provided.
Fig. 1 is the process of transmitting of a kind of inphase quadrature signal IQ data provided by the invention, and this process of transmitting may further comprise the steps:
S101: IQ data to be sent are divided into a plurality of data blocks, comprise a plurality of IQ data in each data block, comprise a plurality of bits in each IQ data.
Concrete in the present invention because the number of bits that different IQ data comprise is different, for the ease of the compression of follow-up data, in that being divided into a plurality of data blocks, data to be sent comprise:
IQ data to be sent are scanned through window function, and the IQ data that will comprise the same bits figure place are divided into a data block.
Certainly, do not carry out the scanning of window function, directly a plurality of IQ data that comprise different bit numbers are divided in the data block and are fine yet.
S102: to each data block, in a plurality of IQ data that this data block comprises, begin the continuous n bit of intercepting significance bit from highest order, wherein n is the integer that is not more than the number of bits that comprises in the IQ data.
Concrete, this operation is to each data block, and the significant bit figure place of different IQ data cutouts is identical in the same data block.
But for different data blocks, the significant bit figure place of IQ data cutout can be identical, also can be different.
S103: the number of bits that comprises according to each IQ data in this data block, and the number of significant digit of intercepting, confirm the compressibility factor of each IQ data.
Concrete, confirm that the compressibility factor of each IQ data comprises:
The number of bits that comprises according to each IQ data, and the number of significant digit of intercepting is poor, confirms the compressibility factor of each IQ data.
S104: according to the compressibility factor of each IQ data of confirming, the significance bit of intercepting, and the sign bit of each IQ data are obtained each the IQ data after the compression and are sent.
In order to identify the position of IQ data after each compression; Be provided with the IQ flag bit in the present invention; After the IQ data after having obtained each compression, the front end of the IQ data after the IQ flag bit that is provided with added to this and be compressed is to identify the position of the IQ data after this compression.
In addition, for whether each the IQ data that identifies transmission are compressed, be convenient to subsequent decompression in the present invention, can also carry the compression flag bit in the IQ data after this compression, whether this compression flag bit is compressed definite according to these IQ data.After having confirmed the compression flag bit, this compression flag bit is carried in the IQ data after being compressed sends.
Fig. 2 is the detailed process that IQ data provided by the invention are sent, and this process may further comprise the steps:
S201: IQ data to be sent are scanned through window function, and the IQ data that will comprise the same bits figure place are divided into a data block.
S202: to each data block, in a plurality of IQ data that this data block comprises, begin the continuous n bit of intercepting significance bit from highest order, wherein n is the integer that is not more than the number of bits that comprises in the IQ data.
S203: the number of bits that comprises according to each IQ data in this data block, and the number of significant digit of intercepting is poor, confirms the compressibility factor of each IQ data.
S204: whether be compressed according to each IQ data, confirm the compression flag bit.
S205: according to the compressibility factor of each IQ data of confirming, the significance bit of intercepting, and the sign bit of each IQ data are obtained each the IQ data after the compression.
S206: according to the IQ flag bit that is provided with, add this IQ flag bit to after the compression each IQ data front end, identify the position of the IQ data after each compression, and send the IQ data after the compression of having added behind the IQ flag bit.
Since in the present invention in each IQ data intercepting partial data as valid data; Constitute the IQ data after compressing, significantly reduced the data volume of IQ data, therefore unnecessary raising hardware device; Directly adopt existing hardware equipment, also can satisfy the transmission demand of light mouth speed.
Fig. 3 is the receiving course of a kind of IQ data provided by the invention, and this process may further comprise the steps:
S301: receive each compressed IQ data.
Specifically in the present invention, in order to improve the efficient of IQ Data Receiving, receive before each compressed IQ data, said method also comprises:
Be compressed the IQ flag bit that carries in the IQ data according to each that receives, confirm the position of each IQ data.
S302: the compressibility factor of carrying in each compressed IQ data according to this, recover this and be compressed the bit of being deleted in the IQ data.
S303: this that will recover is compressed the bit of being deleted in the IQ data, adds to after the significance bit of intercepting in this compressed data, and is compressed the sign bit that carries in the IQ data according to this, obtains the preceding IQ data of compression.
For the transmission of receiving terminal and transmitting terminal data, the sending method and the method for reseptance of receiving terminal and transmitting terminal given data.In the present invention owing to carry the significance bit of compressibility factor and intercepting in these IQ data after being compressed; Therefore, receiving terminal is when receiving after this is compressed the IQ data, according to this compressibility factor; Adopt 0 as each bit deleted that recovers; The bit that the quilt that recovers is deleted adds to after the significance bit of intercepting in this compressed data, and is compressed the sign bit that carries in the IQ data according to this, obtains the IQ data before the compression.
Describe through several concrete embodiment below.
Embodiment one:
In total IQ data to be sent; Each IQ data comprises the sign bit of 15bit and 1bit; Therefore can before the IQ data that every 16bit constitutes, an IQ flag bit be set, write down every 16bit data, and the compression flag bit that is provided with here is 0 in the position of original total IQ data.Total IQ data to be sent are divided into N data block, and wherein, each data block is made up of m IQ data, and m is the integer greater than zero.
Fig. 4 is the dividing data piece of IQ data in the embodiment of the invention one and the sketch map of compression.After the IQ data to be sent to this are divided into K data block; To first data block; Data structure through m IQ data in this data block of analysis window function; To each IQ data in this data block, begin the continuous 4bit number of significant digit of each IQ data of intercepting certificate from highest order, and obtain the sign bit (5bit altogether) of each IQ data.Afterwards with in each IQ data, by the deletion of the bit of intercepting, obtain the IQ data after this first data block compression because the IQ data comprise 15bit, intercepting here 4bit, so compressibility factor is 11.
To second data block; Data structure through m IQ data in the analysis window function data block; To each IQ data in this data block, begin the continuous 3bit number of significant digit of each IQ data of intercepting certificate from highest order, and obtain the sign bit (4bit altogether) of each IQ data.Afterwards with in each IQ data, by the deletion of the bit of intercepting, obtain the IQ data after this second data block compression because the IQ data comprise 15bit, intercepting here 3bit, so compressibility factor is 12.
By that analogy; To K data block, through the data structure of m IQ data in the analysis window function data block, to each IQ data in this data block; Begin the continuous 2bit number of significant digit of each IQ data of intercepting certificate from highest order, and obtain the sign bit (3bit altogether) of each IQ data.Afterwards with in each IQ data, by the deletion of the bit of intercepting, obtain the IQ data after this second data block compression because the IQ data comprise 15bit, intercepting here 2bit, so compressibility factor is 13.
Need to prove; In practical application; The value of the number of significant digit n of intercepting in each data block will confirm that base station receiver reference sensitivity, receiver dynamic range, receiver adjacentchannel selectivity index, the arrowband, base station that need satisfy system requirements block index, receiver blocking performance index and receiver intermodulation characteristic index etc. according to the requirement of system uplink index.
For example; RE compresses the IQ data of 16 bits, the IQ data of 5 bits after obtaining compressing, and with the IQ data significance bit of 5 bits; The compression flag bit; Compressibility factor sends to radio-frequency apparatus controller (Radio Equipment Contro abbreviates REC as) corresponding to BBU, and REC reverts to the IQ data of 5 bits according to compressibility factor the IQ data of preceding 16 bits of compression.In practical application, if downlink data is compressed, then the compression of IQ data is accomplished by BBU, decompresses and is accomplished by RRU.
The compressibility factor that the BBU lateral root reports according to RRU is the IQ data of 16bit again with reduction of data, and when reduction, the low number of bits of deleting is according to filling up with 0.Data based IQ flag bit after will reducing at last is reduced to the composition form of original data stream.
Embodiment two:
In total IQ data to be sent; Each IQ data comprises the sign bit of 15bit and 1bit; Therefore can before the IQ data that every 16bit constitutes, an IQ flag bit be set, write down every 16bit data, and the compression flag bit that is provided with here is 1 in the position of original total IQ data.Total IQ data to be sent are divided into N data block, and wherein, each data block is made up of m IQ data, and m is the integer greater than zero.
After the IQ data to be sent to this are divided into K data block,,,, begin the continuous n of each IQ data of intercepting from highest order to each IQ data in this data block through the data structure of m IQ data in this data block of analysis window function to first data block
1Bit number of significant digit certificate and sign bit.With in each IQ data,, obtain the IQ data after this first data block is compressed afterwards not by the deletion of the bit of intercepting.
To second data block,,, begin the continuous n of each IQ data of intercepting from highest order to each IQ data in this data block through the data structure of m IQ data in the analysis window function data block
2Bit number of significant digit certificate and sign bit.With in each IQ data,, obtain the IQ data after this second data block is compressed afterwards not by the deletion of the bit of intercepting.
By that analogy, to K data block, adopt said process to carry out the intercepting of significance bit.Need to prove; In practical application; The value of the number of significant digit n of intercepting in each data block will confirm that base station receiver reference sensitivity, receiver dynamic range, receiver adjacentchannel selectivity index, the arrowband, base station that need satisfy system requirements block index, receiver blocking performance index and receiver intermodulation characteristic index etc. according to the requirement of system uplink index.
For example, RE compresses the IQ data of 16 bits, the IQ data of 9 bits after obtaining compressing; And with the IQ data significance bit of 9 bits; The compression flag bit, compressibility factor sends to REC corresponding to BBU, and REC reverts to the IQ data of 9 bits according to compressibility factor the IQ data of preceding 16 bits of compression.In practical application, if downlink data is compressed, then the compression of IQ data is accomplished by BBU, decompresses and is accomplished by RRU;
The compressibility factor that the BBU lateral root reports according to RRU is the IQ data of 16bit again with reduction of data, and when reduction, the low number of bits of deleting is according to filling up with 0.Data based IQ flag bit after will reducing at last is reduced to the composition form of original data stream.
Embodiment three:
In total IQ data to be sent; Each IQ data comprises the sign bit of 15bit and 1bit; Therefore can before the IQ data that every 16bit constitutes, an IQ flag bit be set, write down every 16bit data, and the compression flag bit that is provided with here is 0 in the position of original total IQ data.Total IQ data to be sent are divided into N data block, and wherein, each data block is made up of m IQ data, and m is the integer greater than zero.In addition, in the present embodiment compressibility factor be 1 and 0 respectively definition compression back keep 6 and 9 bit significance bits.
Fig. 5 is the dividing data piece of IQ data in the embodiment of the invention three and the sketch map of compression.After the IQ data to be sent to this are divided into K data block; To first data block; Through the data structure of m IQ data in this data block of analysis window function,, begin continuous 9 bit valid data and the sign bits of each IQ data of intercepting from highest order to each IQ data in this data block; And remaining low number of bits certificate in the deletion numerical value maximum data, accomplish the compression of m group data in first data block.Because the number of significant digit of notebook data piece intercepting is 9bit, therefore can know that compressibility factor is 0.
To second data block; Data structure through m IQ data in this data block of analysis window function; To each IQ data in this data block; Begin continuous 9 bit valid data and the sign bits of each IQ data of intercepting from highest order, and remaining low number of bits certificate in the deletion numerical value maximum data, the compression of m group data in second data block accomplished.Because the number of significant digit of notebook data piece intercepting is 9bit, therefore can know that compressibility factor is 0.
By that analogy; To K data block; Through the data structure of m IQ data in this data block of analysis window function,, begin continuous 9 bit valid data and the sign bits of each IQ data of intercepting from highest order to each IQ data in this data block; And remaining low number of bits certificate in the deletion numerical value maximum data, accomplish the compression of m group data in K the data block.Because the number of significant digit of notebook data piece intercepting is 9bit, therefore can know that compressibility factor is 0.
Need to prove; In practical application; The value of the number of significant digit n of intercepting in each data block will confirm that base station receiver reference sensitivity, receiver dynamic range, receiver adjacentchannel selectivity index, the arrowband, base station that need satisfy system requirements block index, receiver blocking performance index and receiver intermodulation characteristic index etc. according to the requirement of system uplink index.
For example, RE compresses the IQ data of 16 bits, the IQ data of 9 bits after obtaining compressing; And with the IQ data significance bit of 9 bits; The compression flag bit, compressibility factor sends to REC corresponding to BBU, and REC reverts to the IQ data of 9 bits according to compressibility factor the IQ data of preceding 16 bits of compression.In practical application, if downlink data is compressed, then the compression of IQ data is accomplished by BBU, decompresses and is accomplished by RRU.
The compressibility factor that the BBU lateral root reports according to RRU is the IQ data of 16bit again with reduction of data, and when reduction, the low number of bits of deleting is according to filling up with 0.Data based IQ flag bit after will reducing at last is reduced to the composition form of original data stream.
Fig. 6 is the dispensing device structural representation of a kind of inphase quadrature signal IQ data provided by the invention, and said device comprises:
Sending module 63 is used for the number of bits that comprises according to each IQ data of this data block, and the number of significant digit of intercepting, confirms the compressibility factor of each IQ data; According to the compressibility factor of each IQ data of confirming, the number of significant digit of intercepting, and the sign bit of each IQ data obtain each the IQ data after the compression and send.
The concrete number of bits that comprises owing to different IQ data in the present invention is different; Compression for the ease of follow-up data; Said division module 61 specifically is used for IQ data to be sent are scanned through window function, and the IQ data that will comprise the same bits figure place are divided into a data block.
In addition, for whether each the IQ data that identifies transmission are compressed, be convenient to subsequent decompression in the present invention, can also carry the compression flag bit in the IQ data after this compression, whether this compression flag bit is compressed definite according to these IQ data.
Whether said sending module 63 specifically is used for being compressed according to each IQ data, confirms the compression flag bit; With the said compression flag bit of confirming, be carried in each the IQ data after this compression and send.
Said sending module 63 specifically is used for the number of bits that comprises according to each IQ data, and the number of significant digit of intercepting is poor, confirms the compressibility factor of each IQ data.
Said sending module 63 specifically is used for according to the IQ flag bit that is provided with, and adds this IQ flag bit to after the compression each IQ data front end, identifies the position of the IQ data after each compression.
Fig. 7 is the receiving system structural representation of a kind of inphase quadrature signal IQ data provided by the invention, and said receiving system comprises:
First recovers module 71, is used to receive each compressed IQ data; The compressibility factor of carrying in each compressed IQ data according to this is recovered this and is compressed the bit of being deleted in the IQ data;
Second recovers module 72, is used for this that recovers is compressed the bit that the IQ data are deleted, and adds to after the significance bit of intercepting in this compressed data, and is compressed the sign bit that carries in the IQ data according to this, obtains the preceding IQ data of compression.
Said first recovers module 71, and each that specifically is used for according to receiving is compressed the IQ flag bit that the IQ data are carried, and confirms the position of each IQ data.
The invention provides a kind of transmission system of inphase quadrature signal IQ data, said system comprises dispensing device shown in Figure 6, and receiving system shown in Figure 7.
The invention provides a kind of IQ data sending, receiving method, system and device, in this data transmission method for uplink IQ data to be sent are divided into a plurality of data blocks, each data block comprises a plurality of IQ data; To each data block; Begin the continuous n bit of intercepting significance bit from the highest order of each IQ data of this data block, confirm compressibility factor, and obtain significance bit by compressibility factor, sign bit and intercepting and constitute the IQ data after the compression and send according to the significance bit of intercepting; Since in the present invention in each IQ data intercepting partial data as valid data; Constitute the IQ data after compressing, significantly reduced the data volume of IQ data, therefore unnecessary raising hardware device; Directly adopt existing hardware equipment, also can satisfy the transmission demand of light mouth speed.
Above-mentioned explanation illustrates and has described a preferred embodiment of the present invention; But as previously mentioned; Be to be understood that the present invention is not limited to the form that this paper discloses, should do not regard eliminating as, and can be used for various other combinations, modification and environment other embodiment; And can in invention contemplated scope described herein, change through the technology or the knowledge of above-mentioned instruction or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and scope of the present invention, then all should be in the protection range of accompanying claims of the present invention.
Claims (16)
1. the sending method of inphase quadrature signal IQ data is characterized in that said sending method comprises:
IQ data to be sent are divided into a plurality of data blocks, comprise a plurality of IQ data in each data block, comprise a plurality of bits in each IQ data;
To each data block, in a plurality of IQ data that this data block comprises, begin the continuous n bit of intercepting significance bit from highest order, wherein n is the integer that is not more than the number of bits that comprises in the IQ data;
The number of bits that comprises according to each IQ data in this data block, and the number of significant digit of intercepting are confirmed the compressibility factor of each IQ data;
According to the compressibility factor of each IQ data of confirming, the significance bit of intercepting, and the sign bit of each IQ data are obtained each the IQ data after the compression and are sent.
2. the method for claim 1 is characterized in that, data to be sent is divided into a plurality of data blocks comprises:
IQ data to be sent are scanned through window function, and the IQ data that will comprise the same bits figure place are divided into a data block.
3. according to claim 1 or claim 2 method is characterized in that, obtains each the IQ data after the compression and send to comprise:
Whether be compressed according to each IQ data, confirm the compression flag bit;
With the said compression flag bit of confirming, be carried in each the IQ data after this compression and send.
4. according to claim 1 or claim 2 method is characterized in that, confirms that the compressibility factor of each IQ data comprises:
The number of bits that comprises according to each IQ data, and the number of significant digit of intercepting is poor, confirms the compressibility factor of each IQ data.
5. according to claim 1 or claim 2 method is characterized in that, obtains each the IQ data after the compression and send to comprise:
According to the IQ flag bit that is provided with, add this IQ flag bit to after the compression each IQ data front end, identify the position of the IQ data after each compression.
6. according to claim 1 or claim 2 method is characterized in that the significant bit figure place of intercepting is identical in the said different pieces of information piece, or different.
7. the method for reseptance of inphase quadrature signal IQ data is characterized in that said method of reseptance comprises:
Receive each compressed IQ data;
The compressibility factor of carrying in each compressed IQ data according to this is recovered this and is compressed the bit of being deleted in the IQ data;
This that recovers is compressed the bit of being deleted in the IQ data, adds to after the significance bit of intercepting in this compressed data, and be compressed the sign bit that carries in the IQ data, obtain the preceding IQ data of compression according to this.
8. method as claimed in claim 7 is characterized in that, receives before each compressed IQ data, and said method also comprises:
Be compressed the IQ flag bit that carries in the IQ data according to each that receives, confirm the position of each IQ data.
9. the dispensing device of inphase quadrature signal IQ data is characterized in that said dispensing device comprises:
Divide module, be used for IQ data to be sent are divided into a plurality of data blocks, comprise a plurality of IQ data in each data block, comprise a plurality of bits in each IQ data;
Interception module is used in a plurality of IQ data that this data block comprises, beginning intercepting continuous n bit significance bit from highest order to each data block, and wherein n is not more than the number of bits that comprises in the IQ data;
Sending module is used for the number of bits that comprises according to each IQ data of this data block, and the significance bit of intercepting, confirms the compressibility factor of each IQ data; According to the compressibility factor of each IQ data of confirming, the number of significant digit of intercepting, and the sign bit of each IQ data obtain each the IQ data after the compression and send.
10. dispensing device as claimed in claim 9 is characterized in that, said division module specifically is used for IQ data to be sent are scanned through window function, and the IQ data that will comprise the same bits figure place are divided into a data block.
11., it is characterized in that said sending module specifically is used for whether being compressed according to each IQ data like claim 9 or 10 described dispensing devices, confirm the compression flag bit; With the said compression flag bit of confirming, be carried in each the IQ data after this compression and send.
12., it is characterized in that said sending module specifically is used for the number of bits that comprises according to each IQ data like claim 9 or 10 described dispensing devices, and the number of significant digit of intercepting is poor, confirms the compressibility factor of each IQ data.
13., it is characterized in that said sending module specifically is used for according to the IQ flag bit that is provided with like claim 9 or 10 described dispensing devices, add this IQ flag bit to after the compression each IQ data front end, identify the position of the IQ data after each compression.
14. the receiving system of inphase quadrature signal IQ data is characterized in that said receiving system comprises:
First recovers module, is used to receive each compressed IQ data; The compressibility factor of carrying in each compressed IQ data according to this is recovered this and is compressed the bit of being deleted in the IQ data;
Second recovers module, is used for this that recovers is compressed the bit that the IQ data are deleted, and adds to after the significance bit of intercepting in this compressed data, and is compressed the sign bit that carries in the IQ data according to this, obtains the preceding IQ data of compression.
15. receiving system as claimed in claim 14 is characterized in that, said first recovers module, and each that specifically is used for according to receiving is compressed the IQ flag bit that the IQ data are carried, and confirms the position of each IQ data.
16. the transmission system of inphase quadrature signal IQ data is characterized in that, said system comprises the arbitrary described dispensing device of claim 9～13, and the arbitrary described receiving system of claim 14～15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110152689.6A CN102821072B (en) | 2011-06-08 | 2011-06-08 | Sending method, receiving method, sending system, receiving system, sending device and receiving device for IQ (In-phase quadrature) data |
Applications Claiming Priority (1)
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| CN201110152689.6A CN102821072B (en) | 2011-06-08 | 2011-06-08 | Sending method, receiving method, sending system, receiving system, sending device and receiving device for IQ (In-phase quadrature) data |
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| CN103312336A (en) * | 2013-06-28 | 2013-09-18 | 京信通信系统（中国）有限公司 | Data compression method and device |
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| CN110942127A (en) * | 2019-11-26 | 2020-03-31 | 苏州长光华医生物医学工程有限公司 | Method, system and storage medium for encrypting reagent two-dimensional code information of medical instrument |
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