CN103457891B - Modulator approach and modulating equipment - Google Patents
Modulator approach and modulating equipment Download PDFInfo
- Publication number
- CN103457891B CN103457891B CN201310410481.9A CN201310410481A CN103457891B CN 103457891 B CN103457891 B CN 103457891B CN 201310410481 A CN201310410481 A CN 201310410481A CN 103457891 B CN103457891 B CN 103457891B
- Authority
- CN
- China
- Prior art keywords
- result
- mapping
- obtains
- mapped
- channel
- 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.)
- Active
Links
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
The embodiment of the present invention provides a kind of modulator approach and modulating equipment.This modulator approach includes: obtain the first mapping result according to the information of the first mapping mode mapped phases reference channel, map according to the first mapping mode and obtain corresponding N number of second mapping result with the information of N number of channel of phase reference channel homophase, the information mapping M channel out of phase with phase reference channel according to the second mapping mode obtains corresponding M the 3rd mapping result, and N, M are positive integer；Based on the first mapping result, the second mapping result and the 3rd mapping result, obtaining modulation intelligence to be launched, wherein, in the first mapping mode, " 0 " is mapped as exp{j ω }, " 1 " is mapped as exp{j (ω+π) }；In the second mapping mode, " 0 " is mapped as exp{j (ω+pi/2) }, " 1 " is mapped as exp{j (ω+3 pi/2) }, wherein j is imaginary unit, and ω represents fixed phase and is not equal to k pi/2, and k is integer.The embodiment of the present invention simplifies modulated structure, it is simple to extension.
Description
Technical field
The present embodiments relate to moving communicating field, and more particularly, to modulator approach and modulation
Equipment.
Background technology
Traditional modulator approach is divided into I(In-phase, homophase), Q(Quadrature, orthogonal) two-way,
Each road includes multiple channel.The unpack of two-way carries out mapping, spreads, power bias and summation.
The I road result obtained and Q road result, respectively as real part and imaginary part, then scramble, and obtain sending out
The modulation intelligence penetrated.In other words, in traditional I/Q modulation, I road belongs to real number field, and Q road belongs to
Imaginary number territory.
The mode of this submultiplex processes complicated structure, and is not easy extension.Such as, if
Need newly-increased channel, then must take into and this channel is referred to I road or Q road, on this basis may
Need to consider the impact on channel existing on each road, it is achieved complex.
Summary of the invention
The embodiment of the present invention provides a kind of modulator approach and modulating equipment, it is possible to simplify modulated structure.
First aspect, it is provided that a kind of modulator approach, including: according to the first mapping mode mapped phases ginseng
The information examining channel obtains the first mapping result, maps according to described first mapping mode and believes with phase reference
The information of N number of channel of road homophase obtains the most N number of second mapping result, according to the second mapping mode
The information mapping M channel out of phase with phase reference channel obtains corresponding M the 3rd mapping knot
Really, wherein N, M are positive integer；Based on described first mapping result, described N number of second mapping result
With described M the 3rd mapping result, obtain modulation intelligence to be launched, wherein, map described first
In mode, " 0 " is mapped as exp{j ω }, " 1 " is mapped as exp{j (ω+π) }；Reflect described second
Penetrating in mode, " 0 " is mapped as exp{j (ω+pi/2) }, " 1 " is mapped as exp{j (ω+3 pi/2) }, wherein
J is imaginary unit, and ω represents fixed phase and is not equal to k pi/2, and k is integer.
In conjunction with first aspect, in a kind of implementation of first aspect, described based on described first mapping
Result, described N number of second mapping result and described M the 3rd mapping result, obtains modulation to be launched
Information, including: by described first mapping result, described N number of second mapping result and described M the individual 3rd
Mapping result is multiplied by corresponding transaction code respectively, obtains corresponding first result；Knot is processed by first
Fruit is multiplied by corresponding gain factor respectively, obtains corresponding second result；Cumulative described second processes
As a result, described modulation intelligence to be launched is obtained.
In conjunction with first aspect and above-mentioned implementation thereof, in the another kind of implementation of first aspect, institute
State transaction code to be multiplied by channel by scrambler and spread code accordingly and obtain.
In conjunction with first aspect and above-mentioned implementation thereof, in the another kind of implementation of first aspect, institute
State based on described first mapping result, described N number of second mapping result and described M the 3rd mapping result,
The modulation intelligence that acquisition is to be launched, including: by described first mapping result, described N number of second mapping knot
Fruit and described M the 3rd mapping result are multiplied by respectively and spread code accordingly, obtain the corresponding 3rd and process knot
Really；3rd result is multiplied by corresponding gain factor respectively, obtains corresponding fourth process result；
Cumulative described fourth process result, obtains the 5th result；Described 5th result is multiplied by scrambler,
Obtain described modulation intelligence to be launched.
In conjunction with first aspect and above-mentioned implementation thereof, in the another kind of implementation of first aspect,
ω=n π/4, n is odd number.
In conjunction with first aspect and above-mentioned implementation thereof, in the another kind of implementation of first aspect, on
Stating phase reference channel is DPCCH.
Second aspect, it is provided that a kind of modulating equipment, including: map unit, for mapping according to first
The information of mode mapped phases reference channel obtains the first mapping result, reflects according to described first mapping mode
Penetrate and obtain corresponding N number of second mapping result with the information of N number of channel of phase reference channel homophase, press
The information mapping M channel out of phase with phase reference channel according to the second mapping mode obtains corresponding M
Individual 3rd mapping result, wherein N, M are positive integer；Acquiring unit, for mapping based on described first
Result, described N number of second mapping result and described M the 3rd mapping result, obtains modulation to be launched
Information, wherein, in described first mapping mode, " 0 " is mapped as exp{j ω }, " 1 " is mapped as
exp{j(ω+π)}；In described second mapping mode, " 0 " is mapped as exp{j (ω+pi/2) }, " 1 " quilt
It is mapped as exp{j (ω+3 pi/2) }, wherein j is imaginary unit, and ω represents fixed phase and is not equal to k pi/2,
K is integer.
In conjunction with second aspect, in a kind of implementation of second aspect, described acquiring unit includes: the
One multiplier, for by individual to described first mapping result, described N number of second mapping result and described M the
Three mapping result are multiplied by corresponding transaction code respectively, obtain corresponding first result；Second multiplier,
For the first result is multiplied by corresponding gain factor respectively, obtain corresponding second result；
First adder, is used for described second result that adds up, and obtains described modulation intelligence to be launched.
In conjunction with second aspect and above-mentioned implementation thereof, in the another kind of implementation of second aspect, institute
State transaction code to be multiplied by channel by scrambler and spread code accordingly and obtain.
In conjunction with second aspect and above-mentioned implementation thereof, in the another kind of implementation of second aspect, institute
State acquiring unit to include: the 3rd multiplier, for by described first mapping result, described N number of second reflect
Penetrate result and described M the 3rd mapping result is multiplied by respectively and spreads code accordingly, obtain at the corresponding 3rd
Reason result；4th multiplier, for the 3rd result is multiplied by corresponding gain factor respectively, obtains
Corresponding fourth process result；Second adder, is used for the described fourth process result that adds up, obtains the 5th
Result；5th multiplier, for described 5th result is multiplied by scrambler, obtains described sending out
The modulation intelligence penetrated.
In conjunction with second aspect and above-mentioned implementation thereof, in the another kind of implementation of second aspect,
ω=n π/4, n is odd number.
In conjunction with second aspect and above-mentioned implementation thereof, in the another kind of implementation of second aspect, on
Stating phase reference channel is DPCCH.
The information of each channel is both mapped in complex field by the embodiment of the present invention, and does not enters each channel
Row submultiplex, so can be modulated processing to the information of each channel according to unified mode, letter
Change modulated structure, it is simple to extension.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to embodiment or existing skill
In art description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below
It is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
Property work on the premise of, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of I/Q modulator approach.
Fig. 2 is the flow chart of the modulator approach of one embodiment of the invention.
Fig. 3 is the block diagram of the modulating equipment of one embodiment of the invention.
Fig. 4 is the block diagram of the modulating equipment of another embodiment of the present invention.
Fig. 5 is the block diagram of the modulating equipment of another embodiment of the present invention.
Fig. 6 is the schematic diagram of the object lesson of the modulated process of another embodiment of the present invention.
Fig. 7 is the block diagram of the communication equipment of another 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
Clearly and completely describe, it is clear that described embodiment be a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the property made work premise, broadly falls into the scope of protection of the invention.
Technical scheme, can apply to various communication system, such as: global mobile communication system
System (GSM, Global System of Mobile communication), CDMA (CDMA, Code
Division Multiple Access) system, WCDMA (WCDMA, Wideband Code
Division Multiple Access Wireless), GPRS (general packet radio service) (GPRS, General Packet
Radio Service), Long Term Evolution (LTE, Long Term Evolution) etc..
Subscriber equipment (UE, User Equipment), it is possible to referred to as mobile terminal (Mobile
Terminal), mobile subscriber equipment etc., can be through wireless access network (such as, RAN, Radio Access
Network) communicating with one or more core net, subscriber equipment can be mobile terminal, such as movement
Phone (or be referred to as " honeycomb " phone) and there is the computer of mobile terminal, for example, it may be portable,
Pocket, hand-held, built-in computer or vehicle-mounted mobile device, they are handed over wireless access network
Change language and/or data.
Base station, can be the base station (BTS, Base Transceiver Station) in GSM or CDMA,
Can also be the base station (NodeB) in WCDMA, it is also possible to be the evolved base station (eNB in LTE
Or e-NodeB, evolutional Node B), the present invention does not limit.
Fig. 1 is the schematic diagram of I/Q modulator approach.Fig. 1 is the example of the I/Q modulation in WCDMA system
Son.
As it is shown in figure 1, I road includes DPDCH1、DPDCH3、DPDCH5With HS-DPCCH(such as
Really Nmax-dpchEach channel such as mod2=0), Q road includes waiting DPDCH2、DPDCH4、DPDCH6、
If DPCCH and HS-DPCCH(be Nmax-dpchMod2=1) each channel.Here, DPDCH
Being Dedicated Physical Data Channel (Dedicated Physical Data CHannel), DPCCH is special thing
Reason controls channel (Dedicated Physical Control CHannel), and HS-DPCCH is high speed DPCCH
(High Speed DPCCH).Nmax-dpchBeing the maximum number of DPDCH, mod is modulo operation.
I road belongs to real number field, and the information on each channel maps as follows: " 0 " is reflected
Penetrating is 1, and " 1 " is mapped as-1.Q road belongs to imaginary number territory, and the information on each channel is equivalent to according to such as
Under type maps: " 0 " is mapped as j, and " 1 " is mapped as-j.J is imaginary unit.
It addition, in Fig. 1, cd,1To cd,6、chsAnd ccIt is that channel spreads code, β accordinglyd、βcAnd βhs
It it is the corresponding gain factor of channel.Spread spectrum code and gain factor are real number.Sdpch,nIt is scrambler, for plural number,
Therefore complex scrambling code it is referred to as.
From the modulated structure of Fig. 1 it can be seen that I road and Q road need to sue for peace respectively, the knot obtained
Fruit is sued for peace in complex field again, the most just can be multiplied by complex scrambling code.Such modulated structure is more complicated,
And it is not easy to extension.Such as HS-DPCCH channel, need to consider the maximum of DPDCH
Number just can determine that to be placed on I road or Q road and is modulated.If also needing to extend new channel in the future
Type, it is still desirable to determine that the channel that this is new should be placed on which and be modulated, and revise corresponding
Hardware and/or software architecture, it is achieved get up complex.
Fig. 2 is the flow chart of the modulator approach of one embodiment of the invention.The method of Fig. 2 is held by transmitting terminal
OK.
201, obtain the first mapping result according to the information of the first mapping mode mapped phases reference channel, press
Mapping according to the first mapping mode obtains corresponding with the information of N number of second channel of phase reference channel homophase
N number of second mapping result, maps and out of phase M the letter of phase reference channel according to the second mapping mode
The information in road obtains corresponding M the 3rd mapping result, and wherein N, M are positive integer.
202, based on the first mapping result, N number of second mapping result and M the 3rd mapping result, obtain
Take modulation intelligence to be launched.
Wherein, in the first mapping mode, " 0 " is mapped as exp{j ω }, " 1 " is mapped as
exp{j(ω+π)}；In the second mapping mode, " 0 " is mapped as exp{j (ω+pi/2) }, " 1 " is mapped
For exp{j (ω+3 pi/2) }, wherein j is imaginary unit, and ω represents fixed phase and is not equal to k pi/2, and k is
Integer.
The information of each channel is both mapped in complex field by the embodiment of the present invention, and does not enters each channel
Row submultiplex, so can be modulated processing to the information of each channel according to unified mode, letter
Change modulated structure, it is simple to extension.
Specifically, exp{j ω }=cos ω+j × sin ω, owing to ω is not equal to k pi/2, k is integer, therefore cos ω
All it is not zero with sin ω.In other words, the information of each channel is mapped in reality by the embodiment of the present invention simultaneously
In portion and imaginary part.As a example by the interval of 0 < ω < pi/2, ω can take the arbitrary value in this interval, as π/3,
π/4 etc..As a example by the interval of 0 < ω < 2 π, ω can take the arbitrary value outside pi/2, π and 3 pi/2s.
In the case of ω=π/4, in the first mapping mode, " 0 " is mapped as (1+j)/√ 2, " 1 " quilt
It is mapped as (-1-j)/√ 2；In the second mapping mode, " 0 " is mapped as (-1+j)/√ 2, and " 1 " is mapped as
(1-j)/√2。
But, the embodiment of the present invention can also compatible existing I/Q modulation system.Such as, ω=2k π is taken
Time, in the first mapping mode, " 0 " is mapped as 1, and " 1 " is mapped as-1；At the second mapping mode
In, " 0 " is mapped as j, and " 1 " is mapped as-j.So, the modulator approach of the present invention can be according to ω
Different values and the various demand of flexible adaptation.
Phase reference channel is the reference channel of the phase place for determining other channels.Specifically, other letters
Road can be with phase reference channel homophase or not homophase (as orthogonal).Alternatively, as an embodiment,
Phase reference channel can be DPCCH.But the concrete form that the embodiment of the present invention is to phase reference channel
It is not restricted, as long as what the phase relation between a certain channel and other channels determined that, such channel
Can serve as phase reference channel.
Alternatively, as an embodiment, in step 202., can by the first mapping result, N number of
Two mapping result and M the 3rd mapping result are multiplied by corresponding transaction code respectively, obtain at corresponding first
Reason result.Then, the first result is multiplied by corresponding gain factor respectively, obtains corresponding second
Result.Finally, cumulative second result, obtain modulation intelligence to be launched.
When the gain factor of a certain channel is arranged to 0, the information being equivalent to this path channels will not be sent out
It is shot out.
Alternatively, as another embodiment, above-mentioned transaction code is multiplied by channel by scrambler and spreads code accordingly and obtain
Arrive.
This mode can reduce takes advantage of level in modulated structure.In the I/Q modulation of Fig. 1, employing spread spectrum code,
Gain factor and scrambler three take advantage of level.Due to spread spectrum code, gain factor belongs to real number field and scrambler belongs to multiple
Number field, therefore can not merge spread spectrum code and scrambler the two takes advantage of level.The embodiment of the present invention can not differentiate between reality
Number field and imaginary number territory, but information is mapped directly in complex field, therefore, it is possible to merge spread spectrum code and disturb
Code (the most above-mentioned transaction code), thus reduce and take advantage of level, simplify modulated structure further.
Alternatively, as another embodiment, in step 202., can by the first mapping result, N number of
Two mapping result and M the 3rd mapping result are multiplied by respectively and spread code accordingly, obtain at the corresponding 3rd
Reason result.Then, the 3rd result is multiplied by corresponding gain factor respectively, obtains the corresponding 4th
Result.Then, cumulative fourth process result, obtain the 5th result.Then, by the 5th
Reason result is multiplied by scrambler, obtains modulation intelligence to be launched.
Alternatively, as another embodiment, ω=n π/4, n is odd number.Such as ω=π/4,3 π/4,5 π/4
Or 7 π/4.But the concrete value of ω is not restricted by the embodiment of the present invention.
Fig. 3 is the block diagram of the modulating equipment of one embodiment of the invention.The modulating equipment 30 of Fig. 3 includes reflecting
Penetrate unit 31 and acquiring unit 32.
Map unit 31 obtains the first mapping according to the information of the first mapping mode mapped phases reference channel
As a result, the information mapped with N number of second channel of phase reference channel homophase according to the first mapping mode obtains
To the most N number of second mapping result, map and phase reference channel not homophase according to the second mapping mode
The information of M channel obtain corresponding M the 3rd mapping result, wherein N, M are positive integer.
Acquiring unit 32 is based on the first mapping result, N number of second mapping result and M the 3rd mapping knot
Really, modulation intelligence to be launched is obtained.
Wherein, in the first mapping mode, " 0 " is mapped as exp{j ω }, " 1 " is mapped as
exp{j(ω+π)}；In the second mapping mode, " 0 " is mapped as exp{j (ω+pi/2) }, " 1 " is mapped
For exp{j (ω+3 pi/2) }, wherein j is imaginary unit, and ω represents fixed phase and is not equal to k pi/2, and k is
Integer.
The information of each channel is both mapped in complex field by the embodiment of the present invention, and does not enters each channel
Row submultiplex, so can be modulated processing to the information of each channel according to unified mode, letter
Change modulated structure, it is simple to extension.
Alternatively, as an embodiment, ω=n π/4, n is odd number.Such as ω=π/4,3 π/4,5 π/4
Or 7 π/4.
Fig. 4 is the block diagram of the modulating equipment of another embodiment of the present invention.The modulating equipment 40 of Fig. 4 is Fig. 3
An embodiment of modulating equipment 30, therefore, identical unit will use identical reference.
It should be noted that in the embodiment of Fig. 4, be described as a example by N=M=1.But people in the art
Member is it is understood that N and/or M can be other positive integers, and such change still falls within the embodiment of the present invention
In the range of.It addition, in the embodiment of Fig. 4, using DPCCH as the example of phase reference channel,
But the embodiment of the present invention is not intended to the concrete form of phase reference channel.
As shown in Figure 4, the information that map unit 31 maps DPCCH according to the first mapping mode obtains the
One mapping result 401, obtains second according to the information of the in-phase channel of the first mapping mode mapping DPCCH
Mapping result 402, and obtain the 3rd according to the information of the orthogonal channel of the second mapping mode mapping DPCCH
Mapping result 403.
Acquiring unit 32 includes the first multiplier the 321, second multiplier 322 and first adder 323.
First mapping result the 401, second mapping result 402 and the 3rd is mapped knot by the first multiplier 321
Really 403 be multiplied by corresponding transaction code 411,412 and 413 respectively, obtain corresponding first result 421,
422 and 423.
Second multiplier 322 first result 421,422 and 423 is multiplied by respectively corresponding gain because of
Son 431,432 and 433, obtains corresponding second result 441,442 and 443.
First adder 323 adds up the second result 441,442 and 443, obtains modulation to be launched
Information 450.
The information of each channel is both mapped in complex field by the embodiment of the present invention, and does not enters each channel
Row submultiplex, so can be modulated processing to the information of each channel according to unified mode, letter
Change modulated structure, it is simple to extension.
It addition, modulating equipment 40 can reduce and take advantage of level in modulated process.In the I/Q modulation of Fig. 1, adopt
Level is taken advantage of with spread spectrum code, gain factor and scrambler three.Owing to spread spectrum code, gain factor belong to real number field
Scrambler belongs to complex field, therefore can not merge spread spectrum code and scrambler the two takes advantage of level.The embodiment of the present invention can
Not differentiate between real number field and imaginary number territory, but information is mapped directly in complex field, therefore have only to place
Reason code and gain factor the two take advantage of level, simplify modulated structure further.
In the case, when arranging the value of transaction code, channel can be multiplied by by original scrambler corresponding
Spread spectrum code obtains.
Fig. 5 is the block diagram of the modulating equipment of another embodiment of the present invention.The modulating equipment 50 of Fig. 5 is Fig. 3
An embodiment of modulating equipment 30, therefore, identical unit will use identical reference.
It should be noted that in the embodiment of Fig. 5, be described as a example by N=M=1.But people in the art
Member is it is understood that N and/or M can be other positive integers, and such change still falls within the embodiment of the present invention
In the range of.It addition, in the embodiment of Fig. 5, using DPCCH as the example of phase reference channel,
But the embodiment of the present invention is not intended to the concrete form of phase reference channel.
As it is shown in figure 5, the information that map unit 51 maps DPCCH according to the first mapping mode obtains the
One mapping result 501, obtains second according to the information of the in-phase channel of the first mapping mode mapping DPCCH
Mapping result 502, and obtain the 3rd according to the information of the orthogonal channel of the second mapping mode mapping DPCCH
Mapping result 503.
Acquiring unit 32 includes the 3rd multiplier the 324, the 4th multiplier 325, second adder 326 and
5th multiplier 327.
First mapping result the 501, second mapping result 502 and the 3rd is mapped knot by the 3rd multiplier 324
Really 503 be multiplied by corresponding spread spectrum code 511,512 and 513 respectively, obtain corresponding 3rd result 521,
522 and 523.
4th multiplier 325 the 3rd result 521,522 and 523 is multiplied by respectively corresponding gain because of
Son 531,532 and 533, obtains corresponding fourth process result 541,542 and 543.
Second adder 326 adds up fourth process result 541,542 and 543, obtains the 5th result
550。
5th result 550 is multiplied by scrambler 551 by the 5th multiplier 327, obtains modulation to be launched
Information 560.
The information of each channel is both mapped in complex field by the embodiment of the present invention, and does not enters each channel
Row submultiplex, so can be modulated processing to the information of each channel according to unified mode, letter
Change modulated structure, it is simple to extension.
To in Fig. 4 and Fig. 5, each takes advantage of the order of level not limit to the embodiment of the present invention.The most in Figure 5,
Can also first scramble, carry out the most again spreading and gain.Owing to the embodiment of the present invention is by each channel
Information MAP in complex field, the most this Order exchange does not interferes with modulation result, and the I/Q of Fig. 1
Modulation can not carry out such taking advantage of a grade Order exchange.
Fig. 6 is the schematic diagram of the object lesson of the modulated process of another embodiment of the present invention.
As shown in Figure 6, DPCCH is as the example of above-mentioned phase reference channel, the modulation of other channels
Mode determines according to the phase relation of this channel with DPCCH.
Specifically, DPDCH2、DPDCH4、DPDCH6With DPCCH homophase, therefore use identical
Mapping mode.DPDCH1、DPDCH3、DPDCH5Orthogonal with DPCCH, therefore use difference
Mapping mode.Fig. 6 shows the scene example of 6 DPDCH, but the embodiment of the present invention pair
The specific number of DPDCH is not restricted.
HS-DPCCH can use the mapping mode identical with DPCCH, it would however also be possible to employ with DPCCH
Different mapping modes.
SccBeing the transaction code of DPCCH, numerical value can be equal to the S of Fig. 1dpch,nIt is multiplied by cc。
Scd,1To Scd,6It is DPDCH respectively1To DPDCH6Transaction code, numerically Scd,i=Sdpch,n
×cd,i, wherein i=1～6.
βd、βcAnd βhsIt is the corresponding gain factor of channel, can be with each gain factor in the example of Fig. 1
Value identical.But the value of gain factor is not restricted by the embodiment of the present invention.Such as, if reflected
When penetrating, the mould of mapping result is not 1, then can make the result normalization after gain with the modified gain factor.
Specifically, it is assumed that the mould of mapping result is a, then the gain factor of Fig. 1 can be obtained Fig. 6 divided by a
The gain factor of correction.Such processing mode is substantially identical to the modulation system of the embodiment of the present invention,
Therefore also fall in the range of the embodiment of the present invention.
If it addition, at a time need not send the information of certain channel, can not be to map unit
Input the information of this channel, or gain factor corresponding for this channel is set to 0.
The result summation that will obtain after gain, obtains the modulation intelligence S needing to send.
The information of each channel is both mapped in complex field by the embodiment of the present invention, and does not enters each channel
Row submultiplex, so can be modulated processing to the information of each channel according to unified mode, letter
Change modulated structure, it is simple to extension.
It is further to note that all parts in Fig. 6 can be realized by hardware, or at hardware base
Realized by software on plinth.
Fig. 7 is the block diagram of the communication equipment of another embodiment of the present invention.The communication equipment 70 of Fig. 7 includes place
Reason device 71, memorizer 72, reception circuit 73 and radiating circuit 74.Processor 71, memorizer 72,
Receive circuit 73 to be connected by bus system 79 with radiating circuit 74.
Additionally, communication equipment 70 can also include antenna 75 etc..Processor 71 controls communication equipment 70
Operation.Memorizer 72 can include read only memory and random access memory, and to processor 71
Instruction and data is provided.A part for memorizer 72 can also include nonvolatile RAM
(NVRAM).In concrete application, radiating circuit 74 and reception circuit 73 are alternatively coupled to antenna 75.
Each assembly of communication equipment 70 is coupled by bus system 79, and wherein bus system 79 is except bag
Include outside data/address bus, it is also possible to include power bus, control bus and status signal bus in addition etc..But
For the sake of understanding explanation, in the drawings various buses are all designated as bus system 79.
Processor 51 is probably a kind of IC chip, has the disposal ability of signal.Above-mentioned process
Device 51 can be general processor, digital signal processor (DSP), special IC (ASIC),
Ready-made programmable gate array (FPGA) or other PLDs, discrete gate or transistor are patrolled
Collect device, discrete hardware components.Can realize or perform the disclosed each method in the embodiment of the present invention,
Step and logic diagram.General processor can be microprocessor or this processor can also be any often
The processor etc. of rule.Processor 71 reads the information in memorizer 72, sets in conjunction with the modulation of its hardware controls
The all parts of standby 70.
The method of Fig. 2 can realize in the communication equipment 70 of Fig. 7, or the modulating equipment of Fig. 3 is permissible
(such as being realized) is realized by the radiating circuit 74 of communication equipment 70 by the communication equipment 70 of Fig. 7.Communication
One example of equipment 70 is subscriber equipment.For avoiding repeating, it is not described in detail.
Specifically, radiating circuit 74 is under the control of processor 71, and execution is following to be operated:
The first mapping result is obtained, according to according to the information of the first mapping mode mapped phases reference channel
One mapping mode maps and obtains corresponding N number of with the information of N number of second channel of phase reference channel homophase
Second mapping result, maps and out of phase M the channel of phase reference channel according to the second mapping mode
Information obtains corresponding M the 3rd mapping result, and wherein N, M are positive integer.Knot is mapped based on first
Really, N number of second mapping result and M the 3rd mapping result, obtain modulation intelligence to be launched.Wherein,
In the first mapping mode, " 0 " is mapped as exp{j ω }, " 1 " is mapped as exp{j (ω+π) }；?
In second mapping mode, " 0 " is mapped as exp{j (ω+pi/2) }, " 1 " is mapped as exp{j (ω+3 pi/2) },
Wherein j is imaginary unit, and ω represents fixed phase and is not equal to k pi/2, and k is integer.
The information of each channel is both mapped in complex field by the embodiment of the present invention, and does not enters each channel
Row submultiplex, so can be modulated processing to the information of each channel according to unified mode, letter
Change modulated structure, it is simple to extension.
Alternatively, as an embodiment, radiating circuit 74 can by the first mapping result, N number of second reflect
Penetrate result and M the 3rd mapping result is multiplied by corresponding transaction code respectively, obtain corresponding first and process knot
Really.Then, the first result is multiplied by corresponding gain factor respectively, obtains corresponding second and process
Result.Finally, cumulative second result, obtain modulation intelligence to be launched.
Alternatively, as another embodiment, above-mentioned transaction code is multiplied by channel by scrambler and spreads code accordingly and obtain
Arrive.
This mode can reduce takes advantage of level in modulated structure.In the I/Q modulation of Fig. 1, employing spread spectrum code,
Gain factor and scrambler three take advantage of level.Due to spread spectrum code, gain factor belongs to real number field and scrambler belongs to multiple
Number field, therefore can not merge spread spectrum code and scrambler the two takes advantage of level.The embodiment of the present invention can not differentiate between reality
Number field and imaginary number territory, but information is mapped directly in complex field, therefore, it is possible to merge spread spectrum code and disturb
Code (the most above-mentioned transaction code), thus reduce and take advantage of level, simplify modulated structure further.
Alternatively, as another embodiment, radiating circuit 74 can by the first mapping result, N number of second reflect
Penetrate result and M the 3rd mapping result is multiplied by respectively and spreads code accordingly, obtain the corresponding 3rd and process knot
Really.Then, the 3rd result is multiplied by corresponding gain factor respectively, obtains corresponding fourth process
Result.Then, cumulative fourth process result, obtain the 5th result.Then, knot is processed by the 5th
Fruit is multiplied by scrambler, obtains modulation intelligence to be launched.
Alternatively, as another embodiment, ω=n π/4, n is odd number.Such as ω=π/4,3 π/4,5 π/4
Or 7 π/4.But the concrete value of ω is not restricted by the embodiment of the present invention.
Those of ordinary skill in the art are it is to be appreciated that combine each of the embodiments described herein description
The unit of example and algorithm steps, it is possible to electronic hardware or computer software and the knot of electronic hardware
Incompatible realization.These functions perform with hardware or software mode actually, depend on the spy of technical scheme
Fixed application and design constraint.Professional and technical personnel can use not Tongfang to each specifically should being used for
Method realizes described function, but this realization is it is not considered that beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, and for convenience and simplicity of description, above-mentioned retouches
The specific works process of system, device and the unit stated, is referred to the correspondence in preceding method embodiment
Process, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, device and
Method, can realize by another way.Such as, device embodiment described above is only shown
Meaning property, such as, the division of described unit, be only a kind of logic function and divide, actual can when realizing
There to be other dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another
System, or some features can ignore, or do not perform.Another point, shown or discussed each other
Coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit
Or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Or can also be distributed on multiple NE.Can select according to the actual needs part therein or
The whole unit of person realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a list
In unit.
If described function realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, the present invention's
Part or the part of this technical scheme that prior art is contributed by technical scheme the most in other words can
Embodying with the form with software product, this computer software product is stored in a storage medium,
Including some instructions with so that computer equipment (can be personal computer, server, or
The network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And it is aforesaid
Storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can
To store the medium of program code.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
In this, any those familiar with the art, can be easily in the technical scope that the invention discloses
Expect change or replace, all should contain within protection scope of the present invention.Therefore, the protection of the present invention
Scope should described be as the criterion with scope of the claims.
Claims (10)
1. a modulator approach, it is characterised in that including:
The first mapping result is obtained, according to institute according to the information of the first mapping mode mapped phases reference channel
State the first mapping mode mapping and obtain corresponding N number of with the information of N number of channel of phase reference channel homophase
Second mapping result, maps and out of phase M the channel of phase reference channel according to the second mapping mode
Information obtains corresponding M the 3rd mapping result, and wherein N, M are positive integer；
Based on described first mapping result, described N number of second mapping result and described M the 3rd mapping
As a result, obtain modulation intelligence to be launched,
Wherein, in described first mapping mode, " 0 " is mapped as exp{j ω }, " 1 " is mapped as
exp{j(ω+π)}；In described second mapping mode, " 0 " is mapped as exp{j (ω+pi/2) }, " 1 " quilt
It is mapped as exp{j (ω+3 pi/2) }, wherein j is imaginary unit, and ω represents fixed phase and is not equal to k pi/2,
K is integer.
2. modulator approach as claimed in claim 1, it is characterised in that described based on described first mapping
Result, described N number of second mapping result and described M the 3rd mapping result, obtains modulation to be launched
Information, including:
By described first mapping result, described N number of second mapping result and described M the 3rd mapping knot
Fruit is multiplied by corresponding transaction code respectively, obtains corresponding first result；
First result is multiplied by corresponding gain factor respectively, obtains corresponding second result；
Cumulative described second result, obtains described modulation intelligence to be launched.
3. modulator approach as claimed in claim 2, it is characterised in that described transaction code is multiplied by by scrambler
Channel spreads code accordingly and obtains.
4. modulator approach as claimed in claim 1, it is characterised in that described based on described first mapping
Result, described N number of second mapping result and described M the 3rd mapping result, obtains modulation to be launched
Information, including:
By described first mapping result, described N number of second mapping result and described M the 3rd mapping knot
Fruit is multiplied by respectively and spreads code accordingly, obtains corresponding 3rd result；
3rd result is multiplied by corresponding gain factor respectively, obtains corresponding fourth process result；
Cumulative described fourth process result, obtains the 5th result；
Described 5th result is multiplied by scrambler, obtains described modulation intelligence to be launched.
5. the modulator approach as described in any one of claim 1-4, it is characterised in that ω=n π/4, n is
Odd number.
6. a modulating equipment, it is characterised in that including:
Map unit, reflects for obtaining first according to the information of the first mapping mode mapped phases reference channel
Penetrate result, map the information of the N number of channel with phase reference channel homophase according to described first mapping mode
Obtain the most N number of second mapping result, map different from phase reference channel according to the second mapping mode
The information of M channel of phase obtains corresponding M the 3rd mapping result, and wherein N, M are positive integer；
Acquiring unit, for based on described first mapping result, described N number of second mapping result and described
M the 3rd mapping result, obtains modulation intelligence to be launched,
Wherein, in described first mapping mode, " 0 " is mapped as exp{j ω }, " 1 " is mapped as
exp{j(ω+π)}；In described second mapping mode, " 0 " is mapped as exp{j (ω+pi/2) }, " 1 " quilt
It is mapped as exp{j (ω+3 pi/2) }, wherein j is imaginary unit, and ω represents fixed phase and is not equal to k pi/2,
K is integer.
7. modulating equipment as claimed in claim 6, it is characterised in that described acquiring unit includes:
First multiplier, for by described first mapping result, described N number of second mapping result and described
M the 3rd mapping result is multiplied by corresponding transaction code respectively, obtains corresponding first result；
Second multiplier, for the first result is multiplied by corresponding gain factor respectively, obtains corresponding
The second result；
First adder, is used for described second result that adds up, and obtains described modulation intelligence to be launched.
8. modulating equipment as claimed in claim 7, it is characterised in that described transaction code is multiplied by by scrambler
Channel spreads code accordingly and obtains.
9. modulating equipment as claimed in claim 6, it is characterised in that described acquiring unit includes:
3rd multiplier, for by described first mapping result, described N number of second mapping result and described
M the 3rd mapping result is multiplied by respectively and spreads code accordingly, obtains corresponding 3rd result；
4th multiplier, for the 3rd result is multiplied by corresponding gain factor respectively, obtains corresponding
Fourth process result；
Second adder, is used for the described fourth process result that adds up, obtains the 5th result；
5th multiplier, for described 5th result is multiplied by scrambler, obtains described tune to be launched
Information processed.
10. the modulating equipment as described in any one of claim 6-9, it is characterised in that ω=n π/4, n
For odd number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310410481.9A CN103457891B (en) | 2013-09-10 | 2013-09-10 | Modulator approach and modulating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310410481.9A CN103457891B (en) | 2013-09-10 | 2013-09-10 | Modulator approach and modulating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103457891A CN103457891A (en) | 2013-12-18 |
| CN103457891B true CN103457891B (en) | 2017-01-04 |
Family
ID=49739855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310410481.9A Active CN103457891B (en) | 2013-09-10 | 2013-09-10 | Modulator approach and modulating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103457891B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1429468A2 (en) * | 2002-12-13 | 2004-06-16 | Lg Electronics Inc. | Apparatus for mapping and spreading data symbols in mobile communication systems |
| CN1825790A (en) * | 2005-11-30 | 2006-08-30 | 上海贝豪通讯电子有限公司 | Method for matching between element sequence and subcarrier in TD-SCDMA system |
| CN102714579A (en) * | 2009-09-30 | 2012-10-03 | 交互数字专利控股公司 | Method and apparatus for multi-antenna transmission in uplink |
-
2013
- 2013-09-10 CN CN201310410481.9A patent/CN103457891B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1429468A2 (en) * | 2002-12-13 | 2004-06-16 | Lg Electronics Inc. | Apparatus for mapping and spreading data symbols in mobile communication systems |
| CN1825790A (en) * | 2005-11-30 | 2006-08-30 | 上海贝豪通讯电子有限公司 | Method for matching between element sequence and subcarrier in TD-SCDMA system |
| CN102714579A (en) * | 2009-09-30 | 2012-10-03 | 交互数字专利控股公司 | Method and apparatus for multi-antenna transmission in uplink |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103457891A (en) | 2013-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2721359C1 (en) | Method of transmitting downlink control information, terminal and network device | |
| CN110166194A (en) | A kind of pilot signal generation method and device | |
| CN108702173A (en) | Frequency hopping for random access | |
| CN107318086A (en) | The method and apparatus for distributing running time-frequency resource | |
| CN104731637B (en) | Radio device arranges the method and information processing system of radio device | |
| JP6938671B2 (en) | How to transmit signals, network equipment and terminal equipment | |
| RU2730936C1 (en) | Method and device for transmitting data | |
| CN107872290A (en) | A kind of mark UE method, network side equipment, UE and system | |
| CN111629445B (en) | Random access method and device | |
| CN110890948A (en) | Transmission method of demodulation reference signal, network side equipment and user equipment | |
| CN110311764A (en) | It is used for transmission method, terminal device and the network side equipment of demodulated reference signal | |
| CN104780545B (en) | A kind of transmission method and device using unlicensed spectrum | |
| CN108810059A (en) | Sending method, method of reseptance, the network equipment and the terminal device of broadcast singal | |
| KR102663683B1 (en) | Method and equipment for sidelink rate matching and resource mapping | |
| WO2020173295A1 (en) | Random access method and apparatus | |
| CN105515745B (en) | A kind of method and device of radio frequency link control | |
| JP6987242B2 (en) | Resource configuration method, terminal equipment and network equipment | |
| WO2019242738A1 (en) | Method for sending modulation symbols, method for receiving modulation symbols and communication equipment | |
| CN108306706A (en) | A kind of data receiver, sending method and reception, sending device | |
| CN108307496A (en) | Sending method, method of reseptance, relevant device and the system of synchronous access signal group | |
| CN109150441B (en) | DMRS (demodulation reference signal) sending method, receiving method, related equipment and system | |
| CN110890946B (en) | Transmission method of demodulation reference signal, network side equipment and user equipment | |
| JP2020530212A (en) | Methods and equipment for sequence generation | |
| CN103457891B (en) | Modulator approach and modulating equipment | |
| CN111510890B (en) | Wireless communication method, terminal equipment and network equipment |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210422 Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040 Patentee after: Honor Device Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |