CN106254298A - Signal processing method and device - Google Patents
Signal processing method and device Download PDFInfo
- Publication number
- CN106254298A CN106254298A CN201610868178.7A CN201610868178A CN106254298A CN 106254298 A CN106254298 A CN 106254298A CN 201610868178 A CN201610868178 A CN 201610868178A CN 106254298 A CN106254298 A CN 106254298A
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- Prior art keywords
- signal
- scrambling
- quadrature amplitude
- modulation
- pending signal
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- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 5
- 230000003321 amplification Effects 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
- G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
-
- 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
- H04L1/0071—Use of interleaving
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of signal processing method and PCIe card, described method includes: obtain pending signal；It is multiplied with described pending signal with random scrambling sequences, so that described pending signal is scrambled；Bit number according to the described pending signal after scrambling and the corresponding relation of the modulation type of quadrature amplitude modulation, arrange the modulation type of described quadrature amplitude modulation；Use the described modulation type after arranging, the described pending signal after described scrambling is carried out quadrature amplitude modulation.The technical scheme that the embodiment of the present invention is provided, the process of signal scrambling and modulation is all realized by the way of software, modulate accordingly, with respect to prior art using independent hardware scrambler and QAM modulation device realize the scrambling to signal, the low cost needed for the scheme of the application.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of signal processing method and device.
Background technology
At present by QAM (Quadrature Amplitude Modulation, quadrature amplitude modulation) manipulator and scrambling
Device realizes the modulation to signal and scrambles, concrete, and scrambler is in realizing the scrambling to signal, and QAM modulation device is for realizing adding
Signal after disturbing is modulated.
Owing to needing QAM modulation device could realize the scrambling of the modulation to signal with the device of scrambler the two independence, because of
This, the mode cost of existing modulation scrambling is high.
Summary of the invention
For solving above-mentioned technical problem, embodiments provide a kind of signal processing method and device, logical to realize
The mode crossing software realizes the modulation of the scrambling to signal, reduces the cost of scrambling modulation, and technical scheme is as follows:
A kind of signal processing method, is applied to PCIe card, and described method includes:
Obtain pending signal；
It is multiplied with described pending signal with random scrambling sequences, so that described pending signal is scrambled；
Bit number according to the described pending signal after scrambling and the corresponding relation of the modulation type of quadrature amplitude modulation,
The modulation type of described quadrature amplitude modulation is set；
Use the described modulation type after arranging, the described pending signal after described scrambling is carried out orthogonal amplitude tune
System.
Preferably, the described pending signal of PCIe bus transfer is obtained.
Preferably, right according to bit number and the modulation type of quadrature amplitude modulation of the described pending signal after scrambling
Should be related to, before the modulation type of described quadrature amplitude modulation is set, also include:
Described pending signal after scrambling is encoded and interweaves.
Preferably, use the described modulation type after arranging, the described pending signal after described scrambling is carried out orthogonal
After Modulation and Amplitude Modulation, also include:
Signal after described quadrature amplitude modulation is carried out power amplification；
Radio frequency exports the signal after described power amplification.
A kind of PCIe card, including:
Memorizer, for storing the data produced in program and program operation；
Processor, for by running the program in described memorizer, it is achieved following functions:
Obtain pending signal；It is multiplied with described pending signal with random scrambling sequences, with to described pending
Signal scrambles；Bit number according to the described pending signal after scrambling is corresponding with the modulation type of quadrature amplitude modulation
Relation, arranges the modulation type of described quadrature amplitude modulation；Use the described modulation type after arranging, to the institute after described scrambling
State pending signal and carry out quadrature amplitude modulation.
Preferably, described processor obtains the described pending signal of PCIe bus transfer.
Preferably, described processor is additionally operable to realize following functions:
In the pass corresponding with the modulation type of quadrature amplitude modulation of the bit number according to the described pending signal after scrambling
System, before arranging the modulation type of described quadrature amplitude modulation, encodes the described pending signal after scrambling and interweaves.
Preferably, described processor is additionally operable to realize following functions:
Use the described modulation type after arranging, the described pending signal after described scrambling is carried out quadrature amplitude modulation
Afterwards, the signal after described quadrature amplitude modulation is carried out the signal after power amplification, and the radio frequency described power amplification of output.
The technical scheme that the embodiment of the present invention is provided, the process all realities by the way of software to signal scrambling and modulation
Existing, modulate accordingly, with respect to prior art using independent hardware scrambler and QAM modulation device realize the scrambling to signal,
Low cost needed for the scheme of the application.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
A kind of schematic flow sheet of a kind of signal processing method that Fig. 1 is provided by the embodiment of the present invention；
A kind of structural representation of a kind of PCIe card that Fig. 2 is provided by the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into the scope of protection of the invention.
As it is shown in figure 1, a kind of flow chart of a kind of signal processing method that Fig. 1 provides for the embodiment of the present invention, the method
Including:
Step S101, obtain pending signal；
The solution of the present invention is applied to PCIe card, and this PCIe card is received by PCIe bus interface technology, sends data stream.
Step S102, it is multiplied with described pending signal with random scrambling sequences, so that described pending signal is entered
Row scrambling；
Step S103, to scrambling after described pending signal encode and interweave；
Step S104, according to the modulation type of bit number and the quadrature amplitude modulation of the described pending signal after scrambling
Corresponding relation, arranges the modulation type of described quadrature amplitude modulation；
For different modulation types, the bit figure place of its correspondence is different.Bit number corresponding to different modulating mode is:
16QAM=> 4bit；32QAM=> 5bit；64QAM=> 6bit；128QAM=> 7bit；256QAM=> 8bit.
Step S105, use arrange after described modulation type, the described pending signal after described scrambling is just being carried out
Hand over Modulation and Amplitude Modulation；
Step S106, the signal after described quadrature amplitude modulation is carried out power amplification；
Step S107, radio frequency export the signal after described power amplification.
The technical scheme that the embodiment of the present invention is provided, the process all realities by the way of software to signal scrambling and modulation
Existing, modulate accordingly, with respect to prior art using independent hardware scrambler and QAM modulation device realize the scrambling to signal,
Low cost needed for the scheme of the application.
As in figure 2 it is shown, a kind of PCIe card that Fig. 2 provides for the embodiment of the present invention, this PCIe card includes:
Memorizer 201, for storing the data produced in program and program operation；
Processor 202, for by running the program in described memorizer, it is achieved following functions:
Obtain pending signal；It is multiplied with described pending signal with random scrambling sequences, with to described pending
Signal scrambles；Bit number according to the described pending signal after scrambling is corresponding with the modulation type of quadrature amplitude modulation
Relation, arranges the modulation type of described quadrature amplitude modulation；Use the described modulation type after arranging, to the institute after described scrambling
State pending signal and carry out quadrature amplitude modulation.
The solution of the present invention is applied to PCIe card, and this PCIe card is received by PCIe bus interface technology, sends data stream.
For different modulation types, the bit figure place of its correspondence is different.Bit number corresponding to different modulating mode is:
16QAM=> 4bit；32QAM=> 5bit；64QAM=> 6bit；128QAM=> 7bit；256QAM=> 8bit.
Described processor obtains the described pending signal of PCIe bus transfer.
Described processor is additionally operable to realize following functions:
In the pass corresponding with the modulation type of quadrature amplitude modulation of the bit number according to the described pending signal after scrambling
System, before arranging the modulation type of described quadrature amplitude modulation, encodes the described pending signal after scrambling and interweaves；
Use the described modulation type after arranging, the described pending signal after described scrambling is carried out quadrature amplitude modulation
Afterwards, the signal after described quadrature amplitude modulation is carried out the signal after power amplification, and the radio frequency described power amplification of output.
The technical scheme that the embodiment of the present invention is provided, the process all realities by the way of software to signal scrambling and modulation
Existing, modulate accordingly, with respect to prior art using independent hardware scrambler and QAM modulation device realize the scrambling to signal,
Low cost needed for the scheme of the application.
For device or system embodiment, owing to it essentially corresponds to embodiment of the method, so relevant part sees
The part of embodiment of the method illustrates.Device described above or system embodiment are only schematically, wherein said
The unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit are permissible
It is or may not be physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Can
To select some or all of module therein to realize the purpose of the present embodiment scheme according to the actual needs.This area is common
Technical staff, in the case of not paying creative work, is i.e. appreciated that and implements.
In several embodiments provided by the present invention, it should be understood that disclosed system, apparatus and method, do not having
Have more than in spirit and scope, can realize in other way.Current embodiment is a kind of exemplary
Example, should not be taken as limit, given particular content should in no way limit the purpose of the application.Such as, described unit or
The division of subelement, is only a kind of logic function and divides, and actual can have other dividing mode, the most multiple lists when realizing
First or multiple subelements combine.It addition, multiple unit can or assembly can in conjunction with or be desirably integrated into another and be
Unite, or some features can be ignored, or do not perform.
It addition, described system, apparatus and method and the schematic diagram of different embodiment, without departing from scope of the present application
In, can be with other system, module, techniques or methods combine or integrated.Another point, shown or discussed coupling each other
Conjunction or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication connection, permissible
It is electrical, machinery or other form.
The above is only the detailed description of the invention of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a signal processing method, it is characterised in that be applied to PCIe card, described method includes:
Obtain pending signal；
It is multiplied with described pending signal with random scrambling sequences, so that described pending signal is scrambled；
Bit number according to the described pending signal after scrambling and the corresponding relation of the modulation type of quadrature amplitude modulation, arranged
The modulation type of described quadrature amplitude modulation；
Use the described modulation type after arranging, the described pending signal after described scrambling is carried out quadrature amplitude modulation.
Method the most according to claim 1, it is characterised in that obtain the described pending signal of PCIe bus transfer.
Method the most according to claim 1, it is characterised in that according to scrambling after described pending signal bit number with
The corresponding relation of the modulation type of quadrature amplitude modulation, before arranging the modulation type of described quadrature amplitude modulation, also includes:
Described pending signal after scrambling is encoded and interweaves.
Method the most according to claim 1, it is characterised in that use the described modulation type after arranging, to described scrambling
After described pending signal carry out quadrature amplitude modulation after, also include:
Signal after described quadrature amplitude modulation is carried out power amplification；
Radio frequency exports the signal after described power amplification.
5. a PCIe card, it is characterised in that including:
Memorizer, for storing the data produced in program and program operation；
Processor, for by running the program in described memorizer, it is achieved following functions:
Obtain pending signal；It is multiplied with described pending signal with random scrambling sequences, with to described pending signal
Scramble；Bit number pass corresponding with the modulation type of quadrature amplitude modulation according to the described pending signal after scrambling
System, arranges the modulation type of described quadrature amplitude modulation；Use the described modulation type after arranging, described in after described scrambling
Pending signal carries out quadrature amplitude modulation.
PCIe card the most according to claim 1, it is characterised in that described processor obtains and treats described in PCIe bus transfer
Process signal.
PCIe card the most according to claim 5, it is characterised in that described processor is additionally operable to realize following functions:
At the corresponding relation of the bit number according to the described pending signal after scrambling with the modulation type of quadrature amplitude modulation, if
Before putting the modulation type of described quadrature amplitude modulation, the described pending signal after scrambling is encoded and interweaves.
PCIe card the most according to claim 5, it is characterised in that described processor is additionally operable to realize following functions:
Use arrange after described modulation type, the described pending signal after described scrambling is carried out quadrature amplitude modulation it
After, the signal after described quadrature amplitude modulation is carried out the signal after power amplification, and the radio frequency described power amplification of output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610868178.7A CN106254298A (en) | 2016-09-29 | 2016-09-29 | Signal processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610868178.7A CN106254298A (en) | 2016-09-29 | 2016-09-29 | Signal processing method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106254298A true CN106254298A (en) | 2016-12-21 |
Family
ID=57612074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610868178.7A Pending CN106254298A (en) | 2016-09-29 | 2016-09-29 | Signal processing method and device |
Country Status (1)
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| CN (1) | CN106254298A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021142756A1 (en) * | 2020-01-17 | 2021-07-22 | 华为技术有限公司 | Signal processing method and related device |
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| CN101227444A (en) * | 2007-01-17 | 2008-07-23 | 华为技术有限公司 | Device and method for selecting precoding weight vector |
| CN101662344A (en) * | 2009-09-18 | 2010-03-03 | 上海华为技术有限公司 | Multi-antenna space frequency block coding downlink transmission method and device thereof |
| CN102804636A (en) * | 2009-06-19 | 2012-11-28 | 华为技术有限公司 | Method and apparatus for generating time-frequency patterns for reference signal in an OFDM wireless communication system |
| CN103518415A (en) * | 2011-02-11 | 2014-01-15 | 交互数字专利控股公司 | Systems and methods for an enhanced control channel |
| CN103944601A (en) * | 2013-01-18 | 2014-07-23 | 中国科学院上海高等研究院 | PCIE (peripheral component interface express) interface based software radio frequency transmitter-receiver and method |
-
2016
- 2016-09-29 CN CN201610868178.7A patent/CN106254298A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227444A (en) * | 2007-01-17 | 2008-07-23 | 华为技术有限公司 | Device and method for selecting precoding weight vector |
| CN102804636A (en) * | 2009-06-19 | 2012-11-28 | 华为技术有限公司 | Method and apparatus for generating time-frequency patterns for reference signal in an OFDM wireless communication system |
| CN101662344A (en) * | 2009-09-18 | 2010-03-03 | 上海华为技术有限公司 | Multi-antenna space frequency block coding downlink transmission method and device thereof |
| CN103518415A (en) * | 2011-02-11 | 2014-01-15 | 交互数字专利控股公司 | Systems and methods for an enhanced control channel |
| CN103944601A (en) * | 2013-01-18 | 2014-07-23 | 中国科学院上海高等研究院 | PCIE (peripheral component interface express) interface based software radio frequency transmitter-receiver and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021142756A1 (en) * | 2020-01-17 | 2021-07-22 | 华为技术有限公司 | Signal processing method and related device |
| US11943084B2 (en) | 2020-01-17 | 2024-03-26 | Huawei Technologies Co., Ltd. | Signal processing method and related apparatus |
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Application publication date: 20161221 |
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