CN107994917B - A kind of mobile terminal for realizing that 4G is mostly logical and its implementation - Google Patents
A kind of mobile terminal for realizing that 4G is mostly logical and its implementation Download PDFInfo
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- CN107994917B CN107994917B CN201810260384.9A CN201810260384A CN107994917B CN 107994917 B CN107994917 B CN 107994917B CN 201810260384 A CN201810260384 A CN 201810260384A CN 107994917 B CN107994917 B CN 107994917B
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- 238000010295 mobile communication Methods 0.000 claims abstract description 56
- 238000004220 aggregation Methods 0.000 claims abstract description 32
- 230000002776 aggregation Effects 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 30
- 230000010354 integration Effects 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 14
- 230000008054 signal transmission Effects 0.000 claims description 10
- 239000000969 carrier Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000002146 bilateral effect Effects 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000004931 aggregating effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
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- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
This application discloses a kind of mobile terminals for realizing that 4G is mostly logical, and data pre-processor, at least one analog-digital converter, transmitting data pre-processor, a digital analog converter, a radio-frequency module, at least two antennas are received including a baseband module, one.Include n channel estimation demodulating and decoding unit and n coded modulation unit in baseband module.Radio-frequency module connects at least two antennas and carries out signal reception and/or signal transmitting.The application realizes that the mostly logical mobile terminals of 4G only have a set of base band and radio frequency transceiver, and hardware cost substantially reduces.Be registered in the same cell of same mobile communication network by following multiple SIM card, and to receiving data pre-processor, transmitting data pre-processor is improved, it is mostly logical to realize 4G, and can support carrier aggregation simultaneously.
Description
Technical field
This application involves one kind can realize double card bilateral in 4G or newer mobile communication networks simultaneously（dual SIM
dual active）Or even more Ka Duotong（multi SIM multi active）Mobile terminal.
Background technology
Multi-card multi-standby（multi SIM multi standby）Refer to that there is multiple SIM card in mobile terminal, and this is more
SIM card can be simultaneously registered in respective mobile communication network.Double-card dual-standby（dual SIM dual standby）It is most
A kind of simple multi-card multi-standby, refers to there is two SIM cards in mobile terminal, and this two SIM card can be registered in simultaneously
In respective mobile communication network.In this document, SIM card should broadly understood, including SIM card, R-UIM cards, UIM cards,
Usim card, the SIM application programs being mounted in UICC card, the USIM application programs being mounted in UICC card, is mounted in CSIM cards
CSIM application programs in UICC card, the ISIM application programs being mounted in UICC card etc..
According to the difference of operation principle, the mobile terminal of multi-card multi-standby is divided into single-pass（single active）It is mostly logical
（multi active）Two kinds of working methods.
When single-pass refers to that any SIM card is in voice or data communication in the mobile terminal of multi-card multi-standby, remaining SIM card will
Lose the connection between mobile communication network.Usually only there is a set of base band in the mobile terminal of single-pass（BB）And radio frequency（RF）
Transceiver.Referring to Fig. 1, this is a kind of receiving-transmitting chain of the mobile terminal of single-pass.The mobile terminal of the single-pass includes one
Baseband module, reception data pre-processor, an analog-digital converter（ADC）, transmitting data pre-processor, a number
Mode converter（DAC）, radio-frequency module, at least two antennas.Include a channel estimation demodulating and decoding in baseband module
Unit and a coded modulation unit.The radio-frequency module connects at least two antennas.When carrying out signal reception, radio-frequency module leads to
It crosses antenna and receives radiofrequency signal, and therefrom demodulate analog baseband signal.Analog baseband signal is converted to number by analog-digital converter
Word baseband signal.Data pre-processor is received to pre-process digital baseband signal, it is main to include filtering, adjustment data band
Wide, elimination noise etc., is then transmitted to baseband module.Channel estimation demodulating and decoding unit in baseband module is to pretreated
Digital baseband signal is handled, that is, carries out channel estimation, demodulation, decoding.When carrying out signal transmitting, the coding in baseband module
Digital baseband signal is transferred to transmitting data pre-processor and pre-processed by modulation unit, mainly including IFFT（Inverse
Fast Fourier Transform, inverse fast Fourier transform）, filter, adjust some signals amplification weight factor etc., then
It is transferred to digital analog converter.Digital baseband signal is converted to analog baseband signal by digital analog converter.Radio-frequency module again will simulation
On radio-frequency carrier, modulated radiofrequency signal is externally emitted modulates baseband signals by antenna.The mobile terminal of single-pass is shown
It is to have very high paging failure rate to write shortcoming.Common practice is compared by weighting, remaining SIM card is abandoned in some period
Transmitting-receiving task, to ensure the transmitting-receiving task of a certain SIM card.
When any SIM card is in voice or data communication in more logical mobile terminals for referring to multi-card multi-standby, remaining at least one
SIM card still keeps the connection between mobile communication network and can carry out the transmitting-receiving task of voice and/or data.Mostly logical shifting
Usually there is more set base band and radio frequency transceiver in dynamic terminal.Referring to Fig. 2, this is a kind of transmitting-receiving chain of more logical mobile terminals
Road.There is m SIM cards, wherein n SIM cards can be realized mostly logical, and m, n are natural number, m >=n >=2 in the mobile terminal.Institute
It states mostly logical mobile terminal and includes n baseband module, n reception data pre-processor, n analog-digital converter, n transmitting data
Preprocessor, n digital analog converter, at least n radio-frequency module, 2n antenna.Each baseband module includes a channel and estimates
Count demodulating and decoding unit and a coded modulation unit.Each radio-frequency module is connected to few two antennas.Carry out signal reception
When, n radio-frequency module receives the radiofrequency signal of most n different carrier waves by respective antenna respectively, and therefrom demodulates respectively
Go out n analog baseband signal.N analog baseband signal is converted to n digital baseband signal by n analog-digital converter respectively.N
Data pre-processor is received respectively to pre-process n digital baseband signal, it is main to include filtering, adjustment data bandwidth, disappear
Except noise etc., it is then transferred to n baseband module respectively.Channel estimation demodulating and decoding unit in each baseband module is right respectively
A pretreated digital baseband signal is handled, that is, carries out channel estimation, demodulation, decoding.When carrying out data transmitting, often
Coded modulation unit in a baseband module respectively carries out n digital base band signal transmission to n transmitting data pre-processor
Pretreatment, mainly including IFFT, filtering, adjust some signals amplification weight factor etc., be then transmitted to n digital analog converter.n
N digital baseband signal is converted to n analog baseband signal by a digital analog converter respectively.N radio-frequency module is again respectively by n
Analog baseband signal is modulated on n different radio-frequency carriers, and the radiofrequency signal of modulated n different carrier waves passes through n respectively
A respective antenna of radio-frequency module externally emits.The significant drawback of mostly logical mobile terminal is expensive, but theoretically real
Now more logical n SIM cards have 100% paging success rate and better user experience.Bilateral（dual active）It is most
It is simple a kind of mostly logical, refer to that at least two SIM cards in mobile terminal can keep the company between mobile communication network simultaneously
It connects and voice can be carried out at the same time and/or the transmitting-receiving task of data.
In 2G, 3G mobile communication network, the mobile terminal of single-pass can judge below according to different paging types
Business is data service or speech business, and the transmitting-receiving priority of mobile terminal is instructed according to different business priority.And 4G
Mobile communication network is different from 2G, 3G mobile communication network, and mobile terminal can not do this differentiation by paging type, it is necessary to
It could make further to distinguish after link establishment is got up, it means that 4G mobile terminals introduce more transmitting-receiving conflicts.
Therefore the mobile terminal of single-pass usually has higher paging failure rate, and the body of data service in 4G mobile communication networks
Testing also becomes worse.
4G 4G+ mobile communication networks have all supported VoLTE at present（Voice over Long-Term
Evolution, the voice scheme based on LTE）、ViLTE（Video over Long-Term Evolution, regarding based on LTE
Frequency scheme）New functions are waited, mobile communications operator wishes that the multiple SIM card in the mobile terminal of multi-card multi-standby can be registered simultaneously
In 4G networks（Such as LTE network）In, at the same support VoLTE, ViLTE or other based on 4G or newer mobile communication networks
Voice and/or data service, this, which is also meaned that, needs to provide a kind of mobile terminal that can realize that 4G bilaterals or even 4G are mostly logical.
Invention content
Technical problems to be solved in this application are to provide a kind of mobile terminal, only have a set of base band and radio-frequency receiving-transmitting
Machine can support the SIM card of two or more to be registered in simultaneously in 4G or newer mobile communication networks, and support two or more
SIM card the transmitting-receiving tasks of voice and/or data is carried out in 4G or newer mobile communication networks simultaneously, that is, realize that 4G is more
It is logical.
In order to solve the above technical problems, this application provides a kind of mobile terminal for realizing that 4G is mostly logical, the mobile terminal
In n SIM cards need to realize that 4G is mostly logical, n is >=2 natural number.The mobile terminal connects including a baseband module, one
Receive data pre-processor, at least one analog-digital converter, one transmitting data pre-processor, a digital analog converter, one penetrate
Frequency module, at least two antennas.Include n channel estimation demodulating and decoding unit and n coded modulation unit in baseband module.
Radio-frequency module connects at least two antennas and carries out signal reception and/or signal transmitting.It is upward in receiving side signal, radio-frequency module according to
The secondary each channel estimation being connected to by least one analog-digital converter, unique reception data pre-processor in baseband module
Demodulating and decoding unit.In the signal direction of the launch, each coded modulation unit in baseband module passes sequentially through unique transmitting
Data pre-processor, unique digital analog converter are connected to radio-frequency module.It can be found that the application realizes 4G mostly logical mobile ends
In end only there is a set of base band and RF transceiver, and carrier aggregation and 4G can be achieved at the same time and lead to more, with existing more logical shiftings
Dynamic terminal is generally compared with two sets or more of base band with RF transceiver, and the application significantly reduces hardware cost, extension
Product function.
Further, the component carrier when channel estimation demodulating and decoding unit receives simultaneously as carrier aggregation receives
Channel.Component carrier transmission channel when the coded modulation unit emits simultaneously as carrier aggregation.This shows the application reality
Mobile terminal mostly logical existing 4G can be improved on the basis of the existing mobile terminal for supporting carrier aggregation and be realized, and
And carrier aggregation and 4G can be supported to lead to two functions simultaneously more.
Further, the reception data pre-processor includes sequentially connected data latch unit, FFT unit, data
Copied cells.Data latch unit receives n digital baseband signal from least one analog-digital converter, and by n digital baseband
Signal carries out data latch.FFT unit carries out FFT operations to n digital baseband signal after latch.Data copy cell will
Data after FFT operations replicate and are distributed to each channel estimation demodulating and decoding unit in baseband module.The reception of the application
Data pre-processor only there are one, compared with the reception data pre-processor in existing mobile terminal, not only simplified quantity,
And function is increased, it can be used to that carrier aggregation and 4G is supported to lead to two functions simultaneously more.
Preferably, the reception data pre-processor further includes filter unit, adjustment data bandwidth unit, eliminates noise list
One or more of member.This is the reception data in the existing mobile terminal of reception data pre-processor increase for the application
The function of preprocessor.
Further, the transmitting data pre-processor includes sequentially connected transmitting data buffer storage unit, Data Integration
Unit.Emit data buffer storage unit from the n coded modulation unit n digital baseband signal of reception in baseband module, and by this n
A digital baseband signal caching.Each digital baseband signal corresponds to a SIM card and prepares the voice of transmitting and/or data letter
Number.Data Integration unit integrates n digital baseband signal of caching, and after being integrated a digital baseband signal passes
It is defeated by unique digital analog converter.The transmitting data pre-processor of the application only there are one, with the hair in existing mobile terminal
It penetrates data pre-processor to compare, has not only simplified quantity, but also increase function, can be used to support that carrier aggregation and 4G are more simultaneously
Lead to two functions.
Preferably, the transmitting data pre-processor further includes one in IFFT units, filter unit, adjustment weight unit
It is a or multiple.This is the transmitting data pre-processor in the existing mobile terminal of transmitting data pre-processor increase for the application
Function.
Present invention also provides a kind of multiple SIM card made in mobile terminal simultaneously in 4G or newer mobile communication networks
The method of the middle reception for carrying out voice and/or data.N SIM cards in the mobile terminal are registered in same mobile communication
The same cell of network, n are >=2 natural number.Described method includes following steps：Step B1, radio-frequency module pass through antenna
The data and/or voice signal of the n SIM cards are received, and therefrom demodulate n analog baseband signal respectively simultaneously；Each
Analog baseband signal corresponds to a SIM card received data and/or voice signal.Step B2, analog-digital converter is respectively by n
A analog baseband signal is converted to n digital baseband signal.Step B3, unique data received in data pre-processor latch
Unit carries out data latch to n digital baseband signal.Step B4, unique FFT unit pair received in data pre-processor
N digital baseband signal after latch carries out FFT operations.Step B5, unique data received in data pre-processor replicate
Unit replicates the data after FFT operations, n channel estimation demodulating and decoding unit being distributed in baseband module.Step B6, base
Band mould n channel estimation demodulating and decoding unit in the block carries out channel estimation, demodulation, decoding to n digital baseband signal simultaneously.
How the method gives the mobile terminal of only a set of base band and radio frequency transceiver in 4G or newer mobile communication networks
The middle method received while voice and/or data.
Present invention also provides a kind of multiple SIM card made in mobile terminal simultaneously in 4G or newer mobile communication networks
The method of the middle transmitting for carrying out voice and/or data.N SIM cards in the mobile terminal are registered in same mobile communication
The same cell of network, n are >=2 natural number.Described method includes following steps：Step C1, n volume in baseband module
Code modulation unit prepares n SIM cards the voice emitted simultaneously respectively and/or data-signal carries out coded modulation, obtains n number
Word baseband signal, this n digital base band signal transmission is to the transmitting data buffer storage unit in unique transmitting data pre-processor；
Each digital baseband signal corresponds to the data and/or voice signal that a SIM card prepares transmitting.Step C2, it is unique to emit
N digital baseband signal is carried out data buffer storage by the transmitting data buffer storage unit in data pre-processor.Step C3, it is unique to send out
The Data Integration unit penetrated in data pre-processor integrates the n digital baseband signal cached, one after integration
Digital baseband signal contains the data and/or voice signal that multiple SIM card prepares while emits；Data Integration unit again will be whole
A digital base band signal transmission after conjunction gives unique digital analog converter.Step C4, after unique digital analog converter will be integrated
A digital baseband signal be converted to analog baseband signal.Analog baseband signal is modulated at n not by step C5, radio-frequency module
With on component carrier, the radiofrequency signal that this n different component carriers modulate externally is emitted by antenna.The method gives
The mobile terminal of only a set of base band and radio frequency transceiver how in 4G or newer mobile communication networks carry out voice and/or
The method emitted while data.
Further, in the step C3, each digital baseband signal will not conflict mutually over time and frequency or
The time either frequency that is staggered is staggered or time and frequency are staggered, this is ensured by the scheduling of base station.The data
Integrate is exactly to be overlapped the Physical Resource Block of each digital baseband signal.This provides analysis foundation for Data Integration.
The technique effect that the application obtains is included following aspects.First, the application realizes the mostly logical mobile terminals of 4G
Only there is a set of base band and radio frequency transceiver, compared with the mostly logical mobile terminal of existing realization, hardware cost substantially reduces.Its
Secondary, the application is registered in the same cell of same mobile communication network by following multiple SIM card, and pre- to receiving data
Processor, transmitting data pre-processor are improved, and realize the mostly logical functions of 4G, it can be ensured that multiple SIM card is in 4G or update
Mobile communication network in have 100% paging success rate.Again, the application can be supported simultaneously by a set of hardware structure
Carrier aggregation and 4G lead to two functions more, greatly extend product function.
Description of the drawings
Fig. 1 is a kind of receiving-transmitting chain structure diagram of the mobile terminal of existing single-pass.
Fig. 2 is a kind of receiving-transmitting chain structure diagram of existing more logical mobile terminals.
Fig. 3 is the receiving-transmitting chain structure diagram that the application realizes the mostly logical mobile terminals of 4G.
Fig. 4 is the schematic diagram of receives link in Fig. 3.
Fig. 5 is the schematic diagram for emitting link in Fig. 5.
Fig. 6 is the flow chart for the method that the application multiple SIM card is registered in simultaneously in 4G or newer mobile communication networks.
Fig. 7 is that the application multiple SIM card carries out voice and/or data in 4G or newer mobile communication networks simultaneously
The flow chart of the method for reception.
Fig. 8 is that the application multiple SIM card carries out voice and/or data in 4G or newer mobile communication networks simultaneously
The flow chart of the method for transmitting.
Fig. 9 is the schematic diagram of the Data Integration of step C2 in Fig. 8.
Specific embodiment
Referring to Fig. 3, this is the receiving-transmitting chain of a kind of mobile terminal for realizing that 4G is mostly logical that the application provides.The movement
There is m SIM cards, wherein n SIM cards can keep connection between 4G or newer mobile communication networks simultaneously simultaneously in terminal
The transmitting-receiving task of voice and/or data can be carried out in 4G or newer mobile communication networks simultaneously.M, n is natural number, and
And m >=n >=2.The function is referred to as 4G and leads to more, and the mobile terminal for supporting 4G mostly logical is with regard to that can be carried out at the same time the n SIM cards
The new business based on 4G or newer mobile communication networks such as VoLTE, ViLTE.
N=2 is schematically enabled in Fig. 3.The mobile terminal includes a baseband module, a reception data prediction
Device, at least one analog-digital converter, transmitting data pre-processor, a digital analog converter, a radio-frequency module, at least two
A antenna.Include two channel estimation demodulating and decoding units and two coded modulation units in baseband module.Unique radio frequency
Module connects at least two antennas and carries out signal reception and/or signal transmitting.It is upward in receiving side signal, unique radio-frequency module
Pass sequentially through at least one analog-digital converter, each channel that unique reception data pre-processor is connected in baseband module is estimated
Count demodulating and decoding unit.In the signal direction of the launch, each coded modulation unit in baseband module passes sequentially through unique hair
Penetrate data pre-processor, unique digital analog converter is connected to unique radio-frequency module.
Based on Fig. 3, for the situation of n ＞ 2, only n channel estimation demodulating and decoding list need to be set in baseband module
Member and n coded modulation unit, remaining is constant.All one reception data predictions of channel estimation demodulating and decoding units shared
Device and at least one analog-digital converter.All coded modulation units share a transmitting data pre-processor and at least one digital-to-analogue
Converter.Only there are one baseband module and a radio-frequency modules for entire mobile terminal.Therefore the mobile terminal that the application provides exists
Only there is a set of base band and radio frequency transceiver on hardware view.
Mobile terminal shown in Fig. 3 can realize carrier aggregation simultaneously（CA, Carrier Aggregation）It is more with 4G
It is logical.Carrier aggregation technology is proposed in 3GPP LTE-Advanced standards, is by more than two component carriers（CC,
Component Carriers）It is aggregating for signal reception and/or signal transmitting, to obtain the transmission bandwidth of bigger.It carries
Wave polymerization technique is included in the band in some LTE frequency range（intra-band）Carrier aggregation and the two or more LTE of leap
The interband of frequency range（inter-band）Carrier aggregation.Intralband carrier aggregation technology is divided into as with interior continuous（contiguous）Carrier wave
It polymerize and with interior discontinuous（non-contiguous）Carrier aggregation.Interband carrier aggregation technology must be then the discontinuous load of interband
Wave polymerize.
When realizing carrier aggregation, the course of work is such.When carrying out signal reception, unique radio-frequency module passes through
Antenna receives the radiofrequency signal of n different component carriers, and therefrom demodulates n analog baseband signal respectively.At least one mould
N analog baseband signal is converted to n digital baseband signal by number converter.Unique data pre-processor that receives is to n number
Word baseband signal is pre-processed, main to include filtering, adjustment data bandwidth, eliminate noise etc., is then transmitted to unique base
Band module.N channel estimation demodulating and decoding unit in baseband module respectively carries out n pretreated digital baseband signals
Processing carries out channel estimation, demodulation, decoding.The n channel estimation demodulating and decoding unit is exactly that n component carrier receives
Channel.When carrying out data transmitting, n coded modulation unit in unique baseband module respectively passes n digital baseband signal
Unique transmitting data pre-processor is defeated by be pre-processed, mainly including IFFT, filtering, adjust some signals amplification weight because
Son etc..N pretreated digital baseband signals are respectively converted into n analog baseband signal by unique digital analog converter.Only
N analog baseband signal is modulated on the different component carriers of n by one radio-frequency module again, this n difference component carrier
Radiofrequency signal is externally emitted respectively by the respective antenna of n radio-frequency module.The n coded modulation unit is exactly n component
Carrier wave transmission channel.
Realizing that the course of work is such when leading to 4G more.When carrying out signal reception, unique radio-frequency module passes through day
Line receives the radiofrequency signal of n SIM cards, and therefrom demodulates n analog baseband signal respectively.Each analog baseband signal corresponds to
In voice and/or data-signal that a SIM card is received.At least one analog-digital converter converts n analog baseband signal
For n digital baseband signal.Unique data pre-processor that receives pre-processes n digital baseband signal, mainly includes
Filtering, eliminates noise etc. at adjustment data bandwidth, is then transmitted to unique baseband module.N channel estimation in baseband module
Demodulating and decoding unit is respectively handled n pretreated digital baseband signals, that is, carries out channel estimation, demodulation, decoding,
Obtain voice and/or data-signal that n SIM cards are received.When carrying out data transmitting, n volume in unique baseband module
Code modulation unit respectively pre-processes n digital base band signal transmission to unique transmitting data pre-processor, main to wrap
It includes IFFT, filtering, adjust some signals amplification weight factor etc..Each digital baseband signal corresponds to a SIM card and prepares hair
The voice and/or data-signal penetrated.N pretreated digital baseband signals are respectively converted into n by unique digital analog converter
A analog baseband signal.N analog baseband signal is modulated on n different radio-frequency carriers by unique radio-frequency module again, this n
The radiofrequency signal of a difference carrier wave is externally emitted respectively by the respective antenna of n radio-frequency module.
Therefore, the application can be improved on the mobile terminal for supporting carrier aggregation while realize that 4G is mostly logical.It supports
The mobile terminal of carrier aggregation is used for getting up n component carrier aggregation to be emitted for signal reception and/or signal, realizes that 4G is more
Logical mobile terminal is then for by the data of n SIM card and/or voice receive and/or emit simultaneously.The difference of the two
It essentially consists in the channel estimation demodulating and decoding unit in baseband module and is equal to component carrier receiving channel, the volume in baseband module
Code modulation unit is equal to component carrier transmission channel.
In mobile terminal shown in Fig. 3, when only there are two during antenna, the two antennas are used to signal and receive to realize down
Row MIMO（Multi-input and multi-output, multiple-input and multiple-output）, wherein at least one antenna is also re-used work
Signal emits.It such as to realize Uplink MIMO, then at least emit there are two antenna for signal.Antenna for signal transmitting can
Using with as same antenna, that is, realizing multiplexing for the antenna that signal receives.
Optionally, in mobile terminal shown in Fig. 3, the quantity of analog-digital converter is readily modified as multiple such as n, radio frequency mould
Number of blocks is readily modified as multiple such as n, antenna amount is readily modified as multiple for example each radio-frequency modules and connects more than 2 days
Line, n refer to realize the quantity of the mostly logical SIM cards of 4G.
Referring to Fig. 4, this is the receives link of mobile terminal shown in Fig. 3, the reception data in main presentation Fig. 3 are located in advance
Manage the structure of device.The reception data pre-processor is used for connecing n SIM cards in 4G or newer mobile communication networks simultaneously
The voice and/or data-signal of receipts are pre-processed.N=2 is schematically enabled in Fig. 4.The reception data pre-processor includes
Sequentially connected data latch unit, FFT（Fast fourier transform, Fast Fourier Transform (FFT)）Unit, data are multiple
Unit processed.Data latch unit receives n digital baseband signal, and n digital baseband is believed from least one analog-digital converter
Number carry out data latch.FFT unit carries out FFT operations to n digital baseband signal after latch.Data copy cell is by FFT
Data after operation replicate and are distributed to each channel estimation demodulating and decoding unit in baseband module（I.e. n component carrier connects
Receive channel）.In existing mobile terminal, receive data pre-processor and be used for pre-processing digital baseband signal, it is main to wrap
It includes filtering, adjustment data bandwidth, eliminate noise etc..The reception data pre-processor of the application can also increase filter unit, adjust
Entire data bandwidth unit eliminates element of noise to realize these functions.
Referring to Fig. 5, this is the transmitting link of mobile terminal described in Fig. 3, the transmitting data in main presentation Fig. 3 are located in advance
Manage the structure of device.The transmitting data pre-processor is used for preparing simultaneously in 4G or newer mobile communication networks n SIM cards
The voice and/or data-signal of middle transmitting are pre-processed.N=2 is schematically enabled in Fig. 5.Transmitting data pre-processor includes
Sequentially connected transmitting data buffer storage unit, Data Integration unit.Emit data buffer storage unit from n coding in baseband module
Modulation unit receives n digital baseband signal, and this n digital baseband signal is cached.Each digital baseband signal pair
Ying Yuyi SIM cards prepare the voice and/or data-signal of transmitting.Data Integration unit is by n digital baseband signal of caching
It is integrated, after being integrated a number base band signal transmission gives unique digital analog converter.In existing mobile terminal,
Transmitting data pre-processor is used for pre-processing digital baseband signal, mainly including IFFT, filtering, adjust some signals and put
Big weight factor etc..The transmitting data pre-processor of the application can also increase IFFT units, filter unit, adjustment weight unit
To realize these functions.
The mobile terminal of existing multi-card multi-standby is realizes bilateral, usually with two sets of independent base band and radio-frequency receiving-transmitting chain
Road.And there was only a set of base band and radio-frequency receiving-transmitting chain in the mobile terminal of the application, for realizing bilateral, there are problems, examples
Such as frequency point physically（Freq）, cell id（PCI）, time delay（Timing）Etc. factors influence.The application needs are settleed one by one
Multiple SIM card be registered in simultaneously in 4G or newer mobile communication networks and meanwhile in 4G or newer mobile communication networks into
The reception of row voice and/or data at the same carried out in 4G or newer mobile communication networks voice and/or data transmitting this
Three problems.
Referring to Fig. 6, this is the multiple SIM card made in mobile terminal that the application provides is registered in 4G or newer simultaneously
Method in mobile communication network.There is m SIM cards in the method requirement mobile terminal, wherein n SIM cards can be registered
In same mobile communication network, m, n are natural number, and m >=n >=2.It includes the following steps.
Step A1, can be registered in mobile terminal in the n SIM cards in same mobile communication network any one
SIM card carries out frequency sweep, synchronization, resident, register flow path successively.After completing registration, the SIM card（Referred to as the first SIM card）Registration
In first community.
Step A2, according to the cell information of the first community where the first SIM card, directly allowing in mobile terminal can register
The part or all of fast registration of other SIM cards in n SIM cards in same mobile communication network is to first community.
The cell information includes the information such as frequency point, cell id, time delay, broadcast channel.
Step A3, the part that can be registered in mobile terminal in the n SIM cards in same mobile communication network or complete
Portion（At least two SIM cards）It is registered in same cell simultaneously.
Step A4, when re-selecting cell occurs for any one SIM card being registered in simultaneously in the multiple SIM card of same cell
Or the flow of switching cell so that when cell where the SIM card changes, same mobile communication network can be registered in
In remaining SIM card the part or all of changed SIM card according to cell where new cell cell information, quickly with
With being registered to new cell.
Step A5, return to step A3.
When multiple SIM card in existing mobile terminal is registered in respective mobile communication network simultaneously, mutual frequency sweep,
It is synchronous, resident, register flow path is mutual indepedent, the multiple SIM card that the application will then may be coupled to same mobile communication network
Devise the quick method for following registration so that may be coupled to the multiple SIM of same mobile communication network in mobile terminal
Card can be always remained attached in same cell, and reduces the frequency sweep in the SIM card of post-registration, synchronization, resident, registration
Time.
Referring to Fig. 7, this be the application provide the multiple SIM card made in mobile terminal simultaneously in 4G or newer movements
The method that the reception of voice and/or data is carried out in communication network.There is m SIM cards in the method requirement mobile terminal,
Middle n SIM cards are registered in the same cell of same mobile communication network, and m, n are natural number, and m >=n >=2.It is wrapped
Include following steps.
Step B1, unique radio-frequency module by least two antennas are received and are registered in same mobile communication network simultaneously
Same cell the respective data of n SIM cards and/or voice signal, and therefrom demodulate n Analog Baseband letter respectively
Number.Each analog baseband signal corresponds to a SIM card received data and/or voice signal.
N analog baseband signal is converted to n digital baseband signal by step B2, unique analog-digital converter respectively.
Step B3, unique data latch unit received in data pre-processor is to n digital baseband signal into line number
According to latch.
Step B4, unique FFT unit received in data pre-processor carry out n digital baseband signal after latch
FFT operations.Since multiple SIM card received data and/or voice signal are from the same of same mobile communication network
A cell, time delay are identical, it is possible to directly share same FFT unit and be only used as a FFT operation.
Step B5, unique data copy cell received in data pre-processor replicate the data after FFT operations, point
N channel estimation demodulating and decoding unit being dealt into baseband module.What this framework for being to rely on carrier aggregation technology was realized, base
Can be each component carrier receiving channel in carrier aggregation technology with mould each channel estimation demodulating and decoding unit in the block
It realizes.
Step B6, n channel estimation demodulating and decoding unit in baseband module carry out letter to n digital baseband signal simultaneously
Estimate in road（Channel Estimation）, demodulation, decoding.This is to support multichannel PDCCH simultaneously using carrier aggregation technology
（Physical Downlink Control Channel, physical downlink control channel）With PDSCH（Physical
Downlink Shared Channel, physical down link sharing channel）The ability of reception and realize.
If radio-frequency module quantity is changed to n, then antenna amount is accordingly changed at least 2n, i.e., each radio-frequency module is extremely
Two antennas are connected less.Each radio-frequency module is registered in together by at least two antennas reception respectively connected in step B1 at this time
The data and/or voice signal of one SIM card of the same cell of one mobile communication network, and therefrom demodulate a mould
Intend baseband signal.The signal of all radio-frequency modules is received to be carried out at the same time with demodulation.If the quantity of analog-digital converter is changed to n
It is a, then each analog-digital converter is used for an analog baseband signal being converted to digital baseband signal in step B2.
Obviously, reception implementation method mostly logical 4G shown in Fig. 7 is equally applicable to carrier aggregation reception, only need to be by n SIM
Block respective data and/or voice signal is changed to the different modulated signals of component carrier.
Referring to Fig. 8, this be the application provide the multiple SIM card made in mobile terminal simultaneously in 4G or newer movements
The method that the transmitting of voice and/or data is carried out in communication network.There is m SIM cards in the method requirement mobile terminal,
Middle n SIM cards are registered in the same cell of same mobile communication network, and m, n are natural number, and m >=n >=2.It is wrapped
Include following steps.
Step C1, n coded modulation unit in baseband module n SIM cards are prepared respectively the voice emitted simultaneously and/
Or data-signal carries out coded modulation, obtains n digital baseband signal, this n digital base band signal transmission is to unique transmitting
Transmitting data buffer storage unit in data pre-processor.Each digital baseband signal corresponds to the number that a SIM card prepares transmitting
According to and/or voice signal.What this framework for being to rely on carrier aggregation technology was realized, each coded modulation list in baseband module
Member can be that each component carrier transmission channel in carrier aggregation technology is realized.
Step C2, unique transmitting data buffer storage unit emitted in data pre-processor by n digital baseband signal into
Row data buffer storage.
Step C3, unique Data Integration unit emitted in data pre-processor believe the n digital baseband cached
It number is integrated, after integration a digital baseband signal contains multiple SIM card and prepares the data emitted simultaneously and/or voice
Signal.Data Integration unit gives a digital base band signal transmission after integration to unique digital analog converter again.
A digital baseband signal after integration is converted to analog baseband signal by step C4, unique digital analog converter.
Analog baseband signal is modulated on n different carrier waves by step C5, unique radio-frequency module, this n different
The good radiofrequency signal of carrier modulation is externally emitted by least one antenna.
Referring to Fig. 9, this is the schematic diagram of the Data Integration in step C3.Due to multiple SIM card holding be registered in it is identical
Mobile communication network same cell, so these SIM cards have identical transmission frequency point（Freq）, identical transmission band
It is wide（BW）, identical sampling rate（Sampling Rate）And identical Timing Advance（Timing Advance）, this is
Data Integration provides precondition.Each lattice in Fig. 9 represents a Physical Resource Block（PRB, physical
resource block）.The horizontal axis of big square that multiple lattices are formed is the time, and the longitudinal axis is frequency.Digital baseband signal 1
Such as representing that SIM card 1 prepares the voice and/or data-signal of transmitting simultaneously, digital baseband signal 1 is corresponding generous in the block to be filled out
The lattice for filling shade represents its Physical Resource Block chosen.Digital baseband signal 2 for example represents that the preparation of SIM card 2 is sent out simultaneously
The voice and/or data-signal penetrated, the lattice of the corresponding generous filling shade in the block of digital baseband signal 2 are represented selected by it
In Physical Resource Block.Under the scheduling of base station, the upstream data of different SIM card will not conflict mutually over time and frequency,
I.e. either the time either frequency that is staggered is staggered or time and frequency are staggered.Data Integration exactly believes multiple digital basebands
Number Physical Resource Block be overlapped.If the Physical Resource Block that the time is staggered, then be exactly to be superimposed in the time domain.If
The Physical Resource Block that frequency is staggered, then be exactly to be superimposed on frequency domain.Digital baseband signal after final integration contains all
SIM card prepares the voice and/or data-signal of transmitting simultaneously, forms a data flow, and the covering that will not conflict mutually.
If radio-frequency module quantity changes n, then antenna amount is accordingly changed at least 2n, i.e., each radio frequency is at least connected with
Two antennas.An analog baseband signal is modulated on a carrier wave by each radio-frequency module in step C5 at this time, is modulated
Radiofrequency signal is externally emitted again by least one antenna that the radio-frequency module connects.The signal modulation and hair of all radio-frequency modules
It penetrates and is carried out at the same time.
Obviously, transmitting implementation method mostly logical 4G shown in Fig. 8 is equally applicable to carrier aggregation transmitting, only need to be by n SIM
Card prepares the data of transmitting and/or voice signal simultaneously and is changed to the signal that different component carriers prepare modulation.
Existing mobile terminal needs have more set base band and RF transceiver on hardware to realize that 4G is mostly logical.This
Application provides a kind of mobile terminal for realizing that 4G is mostly logical, only has a set of base band and RF transceiver, Ke Yi on hardware
It supports on the mobile terminal of carrier aggregation by changing firmware（firmware）Mode realize, can be achieved at the same time carrier aggregation
It is mostly logical with 4G, manufacture cost is greatly reduced, improves product function.Same wireless network is registered in multiple SIM card
Under the premise of network, the application can ideally realize the 4G paging success rates that 4G is mostly logical, has 100%.
It these are only the preferred embodiment of the application, be not used to limit the application.Those skilled in the art is come
It says, the application can have various modifications and variations.All any modifications within spirit herein and principle, made are equal
Replace, improve etc., it should be included within the protection domain of the application.
Claims (9)
1. a kind of mobile terminal for realizing that 4G is mostly logical, the n SIM cards in the mobile terminal need to realize that 4G is mostly logical, the n
SIM card is registered in the same cell of same mobile communication network, and n is >=2 natural number；It is characterized in that the movement
Terminal includes a baseband module, a reception data pre-processor, at least one analog-digital converter, a transmitting data and locates in advance
Manage device, a digital analog converter, a radio-frequency module, at least two antennas；Include n channel estimation demodulation in baseband module
Decoding unit and n coded modulation unit；Radio-frequency module connects at least two antennas and carries out signal reception and/or signal transmitting；
Upward in receiving side signal, radio-frequency module passes sequentially through at least one analog-digital converter, unique data pre-processor that receives connects
The each channel estimation demodulating and decoding unit being connected in baseband module；It is described reception data pre-processor to digital baseband signal into
Row FFT operations, and FFT operation results are replicated and are distributed to each channel estimation demodulating and decoding unit in baseband module；
In the signal direction of the launch, each coded modulation unit in baseband module passes sequentially through unique transmitting data pre-processor, only
One digital analog converter is connected to radio-frequency module；The transmitting data pre-processor is integrated and is transmitted to digital baseband signal
To unique digital analog converter.
2. the mobile terminal according to claim 1 for realizing that 4G is mostly logical, it is characterized in that, the channel estimation demodulating and decoding list
Component carrier receiving channel when member receives simultaneously as carrier aggregation；The coded modulation unit is sent out simultaneously as carrier aggregation
Component carrier transmission channel when penetrating.
3. the mobile terminal according to claim 1 for realizing that 4G is mostly logical, it is characterized in that, the reception data pre-processor packet
Include sequentially connected data latch unit, FFT unit, data copy cell；Data latch unit is from least one analog-to-digital conversion
Device receives n digital baseband signal, and n digital baseband signal is carried out data latch；FFT unit is to n number after latch
Word baseband signal carries out FFT operations；Data after FFT operations are replicated and are distributed to each in baseband module by data copy cell
A channel estimation demodulating and decoding unit.
4. the mobile terminal according to claim 3 for realizing that 4G is mostly logical, it is characterized in that, the reception data pre-processor is also
Including filter unit, adjustment data bandwidth unit, eliminate one or more of element of noise.
5. the mobile terminal according to claim 1 for realizing that 4G is mostly logical, it is characterized in that, the transmitting data pre-processor packet
Include sequentially connected transmitting data buffer storage unit, Data Integration unit；Emit data buffer storage unit from n volume in baseband module
Code modulation unit receives n digital baseband signal, and this n digital baseband signal is cached；Each digital baseband signal corresponds to
Prepare the voice and/or data-signal of transmitting in a SIM card；Data Integration unit by n digital baseband signal of caching into
Row is integrated, and the digital base band signal transmission of one after being integrated gives unique digital analog converter.
6. the mobile terminal according to claim 5 for realizing that 4G is mostly logical, it is characterized in that, the transmitting data pre-processor is also
Including one or more of IFFT units, filter unit, adjustment weight unit.
7. a kind of multiple SIM card made in mobile terminal simultaneously in 4G or newer mobile communication networks carry out voice and/or
The method of the reception of data, the n SIM cards in the mobile terminal are registered in the same small of same mobile communication network
Area, n are >=2 natural number；The mobile terminal includes at least two antennas, a radio-frequency module, at least one analog-to-digital conversion
Device, reception data pre-processor, a baseband module；It is characterized in that include the following steps：
Step B1, radio-frequency module receive the data and/or voice signal of the n SIM cards by antenna, and respectively therefrom simultaneously
Demodulate n analog baseband signal；Each analog baseband signal corresponds to a SIM card received data and/or voice is believed
Number；
N analog baseband signal is converted to n digital baseband signal by step B2, analog-digital converter respectively；
Step B3, unique data latch unit received in data pre-processor carry out data lock to n digital baseband signal
It deposits；
Step B4, unique FFT unit received in data pre-processor carry out FFT to n digital baseband signal after latch
Operation；
Data after FFT operations are replicated, are distributed to by step B5, unique data copy cell received in data pre-processor
N channel estimation demodulating and decoding unit in baseband module；
Step B6, n channel estimation demodulating and decoding unit in baseband module simultaneously estimate n digital baseband signal progress channel
Meter, demodulation, decoding.
8. a kind of multiple SIM card made in mobile terminal simultaneously in 4G or newer mobile communication networks carry out voice and/or
The method of the transmitting of data, the n SIM cards in the mobile terminal are registered in the same small of same mobile communication network
Area, n are >=2 natural number；The mobile terminal includes a baseband module, transmitting data pre-processor, a digital-to-analogue
Converter, a radio-frequency module, at least two antennas；It is characterized in that include the following steps：
Step C1, n coded modulation unit in baseband module respectively prepare n SIM cards the voice and/or number that emit simultaneously
It is believed that number progress coded modulation, obtains n digital baseband signal, this n digital base band signal transmission is to unique transmitting data
Transmitting data buffer storage unit in preprocessor；Each digital baseband signal correspond to a SIM card prepare transmitting data and/
Or voice signal；
Step C2, unique transmitting data buffer storage unit emitted in data pre-processor is by n digital baseband signal into line number
According to caching；
Step C3, unique Data Integration unit emitted in data pre-processor by the n digital baseband signal cached into
Row is integrated, and a digital baseband signal after integration contains data and/or the voice letter that multiple SIM card prepares while emits
Number；Data Integration unit gives a digital base band signal transmission after integration to unique digital analog converter again；
A digital baseband signal after integration is converted to analog baseband signal by step C4, unique digital analog converter；
Analog baseband signal is modulated on n different component carriers by step C5, radio-frequency module, this n different component carrier tune
The radiofrequency signal made is externally emitted by antenna.
9. the multiple SIM card according to claim 8 made in mobile terminal is simultaneously in 4G or newer mobile communication networks
The method of the middle transmitting for carrying out voice and/or data, it is characterized in that, in the step C3, each digital baseband signal is in the time
It will not conflict mutually in frequency；This includes the either time either frequency that is staggered and is staggered or time and frequency are staggered；Institute
It is exactly to be overlapped the Physical Resource Block of each digital baseband signal to state Data Integration.
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| WO2020000347A1 (en) * | 2018-06-29 | 2020-01-02 | 华为技术有限公司 | Method for performing communication service by using multiple modems |
| CN110601803A (en) * | 2019-08-14 | 2019-12-20 | 洛阳智能农业装备研究院有限公司 | System chip supporting carrier aggregation technology |
| CN114095915A (en) * | 2020-08-24 | 2022-02-25 | 北京小米移动软件有限公司 | Communication method, apparatus and medium |
| EP4214837A4 (en) * | 2020-09-17 | 2024-06-19 | Qualcomm Inc | Communication using multiple active subscriber identity modules in a dual subscriber identity module dual standby device |
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| US9648634B2 (en) * | 2015-01-29 | 2017-05-09 | Qualcomm Incorporated | System and methods for providing a transmission skipping policy to improve performance in a multi-subscriber identity module (SIM) wireless communication device |
| CN111031150B (en) * | 2015-07-30 | 2021-12-03 | 华为终端有限公司 | Terminal and communication method of terminal |
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