CN104125660A - Terminal device capable of realizing multi-mode single standby and dual standby hybrid scheme - Google Patents
Terminal device capable of realizing multi-mode single standby and dual standby hybrid scheme Download PDFInfo
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Abstract
An embodiment of the invention discloses a terminal device capable of realizing multi-mode single standby and dual standby hybrid scheme. With the application of the technical scheme provided in the invention, a baseband chip is utilized to control two sets of radio frequency chips and corresponding radio frequency front end devices (power amplifiers, band-pass filters, diplexers, switches and antennas and the like) in a serial alternate control manner, so that a single standby machine and a dual standby machine can reuse the same radio frequency chips and the radio frequency front end devices. The baseband chip selects the serial alternate control manner or the parallel control manner for the radio frequency chips according to the change of single standby and dual standby modes, so that the single standby machine and the dual standby machine can flexibly reuse the same radio frequency chips and the radio frequency front end devices; and not only the multi-mode single standby and multi-mode dual standby two work modes can be supported, but also complexity and cost of the multimode mobile terminal can be reduced, and the size of the terminal device is reduced.
Description
Technical field
The present invention relates to communication technical field, relate in particular to and a kind ofly realize that multimode list is treated and the terminal equipment of two schemes to be mixed.
Background technology
LTE(Long Term Evolution, Long Term Evolution) as 3G(3rd Generation, the third generation) follow-up evolution technology, with its high data rate, low time delay, the unique technology advantage such as band width configuration flexibly, being known as by industry is the evolution direction of next generation mobile communication.But LTE network, based on all-IP (Internet Protocol, Internet protocol) framework, can only provide the Protocol of the VoIP(Voice over Internet based on packet domain, the speech of interconnection agreement Network Based) business; Consider that it is individual process progressively that LTE covers continuously; for guaranteeing the continuity of voice service; must possess the speech switching capability of LTE to 2G/3G; this just requires network and terminal must support SRVCC(Single Radio Voice Call Continuity, single radio frequency continuous voice call) function.As the generally acknowledged LTE target speech solution of global operator, VoLTE+SRVCC(Voice over LTE, based on the speech of LTE) the end-to-end industry maturation of scheme still needs time.
Based on this, for meeting LTE portion net initial stage user's voice service demand, global operator mainly adopts CSFB(Circuit Switch Fall Back, circuit domain dropping at present) or Multi-mode dual-standby terminal as LTE transition speech solution.Wherein, traditional WCDMA operator mainly adopts CSFB scheme, and traditional cdma2000 operator mainly adopts Multi-mode dual-standby terminal scheme, and TD-SCDMA operator not only adopts CSFB but also adopt Multi-mode dual-standby terminal scheme to serve different customer groups.Therefore,, for realizing good international roaming, terminal needs the compatible CSFB of support and the two two class schemes for the treatment of of multimode.CSFB belongs to multimode list and treats scheme, realizes and is different from the two schemes for the treatment of of multimode at the hardware of terminal.Conventionally, multimode list treats that scheme all adopts the framework of single baseband chip and single radio frequency chip to realize multimode interoperability, and multimode is two treats that scheme can adopt the framework of single baseband chip (or double-basis microarray strip) and Double RF chip to realize two bilaterals for the treatment of.Therefore; not only support CSFB but also support the two schemes for the treatment of of multimode if require terminal; industry conventionally can adopt multimode list to treat and two mode for the treatment of two class speech solution hardware stacks realizes; that is: when terminal works is in multimode list during until pattern; only can the multiplexing multimode two hardware devices of a certain treating in scheme (relevant to LTE) for the treatment of, another hardware device for the treatment of in can multiplexing multimode pair not treating.
Fig. 1 has provided existing CSFB multimode list and has treated to realize framework with the terminal communication module hardware of the two schemes to be mixed of multimode.This terminal need be supported that TD-LTE/LTE FDD/TD-SCDMA/WCDMA/GSM is mono-and treat and two schemes to be mixed, wherein: twoly treat that scheme need support that TD-LTE/LTE FDD/TD-SCDMA+WCDMA/GSM is two and treat bilateral function, the scheme of singly treating need be supported TD-LTE/LTE FDD/TD-SCDMA/WCDMA/GSM CSFB function.In Fig. 1, radio-frequency front-end submodule 1 is made up of antenna 1, switch 1 and coupled duplexer, band pass filter and WCDMA/GSM radio frequency power amplifier, WCDMA/GSM low-frequency power amplifier etc., radio-frequency front-end submodule 2 is made up of antenna 2, switch 2 and coupled duplexer, band pass filter and GSM radio frequency power amplifier, GSM low-frequency power amplifier, TD-L/TD-S intermediate frequency power amplifier, TD-L/TD-S radio frequency power amplifier, FL intermediate frequency power amplifier, FL radio frequency power amplifier etc., and radio-frequency front-end submodule 3 is made up of antenna 3, switch 3 and coupled band pass filter etc.Radio-frequency front-end submodule 1 and radio frequency chip 1 form radio frequency unit 1, and radio-frequency front-end submodule 2, radio-frequency front-end submodule 3 and radio frequency chip 2 form radio frequency unit 2.It should be noted that, W/G B2 represents the frequency range 2 of WCDMA/GSM, and W/G B3 represents the frequency range 3 of WCDMA/GSM, and W/G B5 represents the frequency range 5 of WCDMA/GSM, and W/G B8 represents the frequency range 8 of WCDMA/GSM; GSM B2 represents the frequency range 2 of GSM, and GSM B3 represents the frequency range 3 of GSM, and GSM B5 represents the frequency range 5 of GSM, and GSM B8 represents the frequency range 8 of GSM; TL/TS B39 represents the frequency range 39 of TD-LTE/TD-SCDMA, and TL/TS B40 represents the frequency range 40 of TD-LTE/TD-SCDMA; TL B38 represents the frequency range 38 of TD-LTE, and TL B41 represents the frequency range 41 of TD-LTE; TS B34 represents the frequency range 34 of TD-SCDMA; FL represents the frequency range 1 of LTE FDD; FL3 represents the frequency range 3 of LTE FDD, and FL7 represents the frequency range 7 of LTE FDD.Note: TD-LTE/LTE FDD/TD-SCDMA+WCDMA/GSM is two treats that scheme refers to that terminal possesses standby simultaneously and is operated in TD-LTE and WCDMA(or GSM) under network, or simultaneously standby and be operated in LTE FDD and WCDMA(or GSM) under network, or standby simultaneously and be operated in TD-SCDMA and GSM network under ability; Wherein, under TD-LTE/LTE FDD/TD-SCDMA pattern, terminal only provides packet switch domain service, and under WCDMA/GSM pattern, terminal not only can provide circuit domain but also packet domain (without the TD-LTE/LTE FDD/TD-SCDMA network coverage time) business can be provided.TD-LTE/LTE FDD/TD-SCDMA/WCDMA/GSM CSFB scheme refers to after starting up of terminal under preferential resident TD-LTE or LTE FDD network, when have except short message circuit domain business (as: voice service) demand time, fall after rise to WCDMA(or TD-SCDMA or GSM) network provides corresponding business; After the circuit domain business except short message completes, terminal is by gravity treatment or FR(Fast Return, fast return) mechanism returns to TD-LTE or LTE FDD network.
Based on the existing implementation of industry, if terminal works two during until pattern, baseband chip can parallel control radio frequency chip 1, radio frequency chip 2 with and separately the radio-frequency channel in corresponding radio-frequency front-end submodule open, in state of activation; If terminal works is mono-during until pattern at CSFB, open the radio-frequency channel that baseband chip is only controlled in radio frequency chip 2 and corresponding radio-frequency front-end submodule thereof, in state of activation.As seen from Figure 1: in existing terminal wireless communication module implementation, CSFB multimode list treat scheme only can with two treat wherein one treat the radio-frequency front-end device of shared radio frequency chip and corresponding band, and can not share the radio-frequency front-end device of two another radio frequency chips for the treatment of of standby and corresponding band.Like this, terminal need to configure two covers supports the radio-frequency front-end device (power amplifier, duplexer, filter etc.) of WCDMA/GSM and Band2/3/5/8, is wherein a set ofly connected with radio frequency chip 1, treats schemes for multimode pair; Another set ofly be connected with radio frequency chip 2, treat scheme for CSFB multimode list.Along with the increase of pattern and frequency range after LTE introducing, if terminal treat and singly treat two kinds of speech solutions and overlap identical radio-frequency front-end device for identical pattern (WCDMA/GSM) and frequency range (Band2/3/5/8) configuration two for compatible two, undoubtedly by the challenge that further increases terminal and face in volume, cost and performance.
In the process that realizes the embodiment of the present invention, inventor finds that prior art exists following problem:
Prior art is owing to treating to have configured the identical radio-frequency front-end device of two covers with the two similar frequency bands (Band2/3/5/8) for the treatment of two part model identical (WCDMA/GSM) in LTE speech solution of multimode for CSFB multimode list, be unfavorable for reducing terminal volume, cost, also can strengthen the research and development difficulty of manufacturer terminal simultaneously, cause product to release the cycle elongated.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of and realizes that multimode list is treated and the terminal equipment of two schemes to be mixed, reach and both can support multimode pair to treat to treat two kinds of mode of operations with multimode list, can reduce again multi-module mobile terminal implementation complexity and cost, reduce the object of the volume of terminal equipment.
In order to achieve the above object, the embodiment of the present invention provides a kind of terminal equipment, it is characterized in that, comprises a baseband chip, and two cover radio frequency chip and corresponding radio-frequency front-end devices thereof:
Described baseband chip, for according to singly treating that pattern and two variations for the treatment of pattern select radio frequency chip to adopt serial to replace control mode or parallel control mode;
Described two cover radio frequency chips, accept the control of described baseband chip for replacing control mode or parallel control mode by serial, and utilize corresponding radio-frequency front-end device to carry out signal transmission, make single standby and two standbies can multiplexing identical radio frequency chip and radio-frequency front-end device carry out signal transmission.
Preferably, described baseband chip, specifically for:
Select two to treat pattern determining, and network possesses in the situation of two conditions to be accessed,, after described starting up of terminal, enter and line activating radio frequency unit state;
In the situation that definite selection is singly treated pattern,, after described starting up of terminal, enter serial and activate radio frequency unit state.
Preferably, described baseband chip, specifically for:
According to network selection priority and the network measuring, radio frequency chip is alternately controlled in accessible situation serial.
Preferably, described baseband chip, specifically for:
According to network selection priority order from high to low, priority activation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, first search and measurement LTE network, if possess access conditions, resident LTE network;
If do not possess access conditions, first search and measurement TD-SCDMA network, still activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, search and measurement TD-SCDMA network, if possess access conditions, and resident TD-SCDMA network;
If do not possess access conditions, search for and measure WCDMA network, to radio frequency chip 2 and corresponding radio-frequency front-end device deexcitation thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if possess access conditions, resident WCDMA network;
If do not possess access conditions, search for and measure GSM network, still activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, search and measurement GSM network, if possess access conditions, resident GSM network;
If do not possess access conditions, point out user accessible without network.
Preferably, described baseband chip, specifically for:
According to multimode interoperability demand and the network measuring, radio frequency chip is alternately controlled in accessible situation serial.
Preferably, described baseband chip, specifically for:
If desired two-way gravity treatment between LTE and TD-SCDMA network, activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired two-way gravity treatment between LTE and WCDMA network, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if from LTE network reselection to WCDMA network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if from WCDMA network reselection to LTE network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired two-way gravity treatment between LTE and GSM network, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if from LTE network reselection to GSM network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if from GSM network reselection to LTE network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired two-way gravity treatment between TD-SCDMA and GSM network, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if from TD-SCDMA network reselection to GSM network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if from GSM network reselection to TD-SCDMA network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired two-way gravity treatment between WCDMA and GSM network, activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof.
Preferably, described baseband chip, specifically for:
According to type of service and the network measuring, radio frequency chip is alternately controlled in accessible situation serial.
Preferably, described baseband chip, under circuit domain scene, specifically for:
If user initiates or receives the circuit domain business except short message, need the instruction according to network to determine to fall back to WCDMA or GSM or such business of the TD-SCDMA network carrying from LTE network, after standby service finishes, return to LTE network;
If user initiates or receives short message service, will still reside under LTE network and carry short message service, now activate radio frequency unit state in serial, still activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
Preferably, described baseband chip, specifically for:
If user initiates or receives the circuit domain business except short message, and network requirement is fallen back to the circuit domain business of the WCDMA network carrying except short message from LTE network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can fall WCDMA network after rise, after standby service finishes, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to return to LTE network;
If user initiates or receives the circuit domain business except short message, and network requirement is fallen back to the circuit domain business of the GSM network carrying except short message from LTE network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can fall GSM network after rise, after standby service finishes, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to return to LTE network;
If user initiates or receives the circuit domain business except short message, and network requirement is fallen back to the circuit domain business of the TD-SCDMA network carrying except short message from LTE network, still activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can fall TD-SCDMA network after rise, after standby service finishes, still activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can return to LTE network.
Preferably, described baseband chip, under packet domain scene, specifically for:
If desired between LTE and TD-SCDMA network, realize data service interoperability, activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired between LTE and WCDMA network, realize data service interoperability, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if data service need to or switch to WCDMA network from LTE network redirection, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if data service need to or switch to LTE network from WCDMA network redirection, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof,
If desired between LTE and GSM network, realize data service interoperability, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if data service need to or switch to GSM network from LTE network redirection, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if data service need to be from GSM network the gravity treatment by terminal control or switching mode to LTE network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof,
If desired between TD-SCDMA and GSM network, realize data service interoperability, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if data service need to be from TD-SCDMA network redirection to GSM network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if data service need to be by the reselection modes of terminal control from GSM network to TD-SCDMA network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof,
If terminal need to realize data service interoperability between WCDMA and GSM network, activate radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if data service need to be from WCDMA network redirection to GSM network, activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if data service need to be by the gravity treatment of terminal control from GSM network to WCDMA network, still activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof.
Compared with prior art, the technical scheme that the embodiment of the present invention proposes has the following advantages:
The technical scheme proposing by the application embodiment of the present invention, utilize baseband chip serial alternately to control two cover radio frequency chips and corresponding radio-frequency front-end device (power amplifier thereof, band pass filter, duplexer, switch, antenna etc.), make single standby and the two standbies can multiplexing identical radio frequency chip and radio-frequency front-end device, baseband chip is selected radio frequency chip to adopt serial to replace control mode or parallel control mode with two variations for the treatment of pattern according to singly treating, make single standby and the two standbies can identical radio frequency chip and the radio-frequency front-end device of flexmux, thereby, both can support multimode pair to treat to treat two kinds of mode of operations with multimode list, can reduce again multi-module mobile terminal implementation complexity and cost, reduce the volume of terminal equipment.
Brief description of the drawings
Fig. 1 is the schematic diagram that existing CSFB multimode list treats to realize with the terminal communication module hardware of the two schemes to be mixed of multimode framework;
The terminal wireless communication module hardware implementing architecture figure that Fig. 2 proposes for the embodiment of the present invention;
The CSFB multimode list that Fig. 3 proposes for the embodiment of the present invention is treated and the handling process schematic diagram of the two schemes to be mixed of multimode in start network selection process;
The CSFB multimode list that Fig. 4 proposes for the embodiment of the present invention is treated and the software control flow chart of the two schemes to be mixed of multimode in reuse adoption process;
The CSFB multimode list that Fig. 5 proposes for the embodiment of the present invention is treated and the software control flow chart of the two schemes to be mixed of multimode in circuit domain business process;
The CSFB multimode list that Fig. 6 proposes for the embodiment of the present invention is treated and the software control flow chart of the two schemes to be mixed of multimode in packet switch domain service process.
Embodiment
For solving the above-mentioned shortcoming of prior art, the embodiment of the present invention proposes that a kind of new CSFB is mono-to be treated and the terminal realizing method of the two speech schemes to be mixed of multimode.Be based on the one hand making mono-the treating of CSFB to treat that with multimode is two two LTE speech solutions share power amplifier, duplexer and the filter etc. of WCDMA/GSM and tetra-frequency ranges of Band2/3/5/8 on terminal hardware, reduce radio-frequency front-end number of devices, thereby reduce terminal volume, cost; On the other hand by different software control patterns make terminal no matter in CSFB mono-treat under pattern or two treat under pattern all can shared radio frequency chip 1, the radio-frequency front-end device of radio frequency chip 2 and corresponding band.
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, obviously, described embodiment is only part embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Compare and existing terminal wireless communication module implementation, the implementation of the terminal equipment that the embodiment of the present invention proposes utilizes independently radio frequency chip and coupled radio-frequency front-end device of two of baseband chip Serial Control, thereby can in reducing terminal part quantity, cost and power consumption, guarantee two scheme and mono-scheme shared radio frequency chip 1 and the radio-frequency front-end submodules 1 treated of CSFB treated of multimode.
As shown in Figure 2, the terminal wireless communication module hardware implementing architecture figure proposing for the embodiment of the present invention.
As seen from Figure 2: this motion can be saved 4 duplexers, 4 band pass filters, 2 WCDMA/GSM power amplifiers on hardware, simultaneously the construction of switch in radio-frequency front-end submodule 2 can also be thrown and is reduced to hilted broadsword 13 and throws (simplification is fallen 8 and thrown) by hilted broadsword 21, this will greatly reduce terminal radio frequency front end number of devices, design complexities and fabric swatch area, and then significantly reduce terminal volume, cost and power consumption.
The business demand of considering the terminal pattern that user selects (two treat, singly treat), user location network design situation and user, all has impact for the mode of baseband chip control radio frequency chip and respective radio-frequency front end device., for baseband chip in start network selection, gravity treatment, circuit domain business, packet switch domain service process, the control mode of radio frequency unit is defined for this reason, specifically comprises:
(1) control mode of baseband chip to radio frequency unit in start network selection process
As shown in Figure 3, the CSFB multimode list proposing for the embodiment of the present invention is treated and the handling process schematic diagram of the two schemes to be mixed of multimode in start network selection process.
If user selects two patterns for the treatment of, and network possesses two conditions to be accessed, after starting up of terminal, baseband chip will enter and line activating radio frequency unit state, that is: baseband chip by according to measure with resident frequency range demand activate simultaneously radio frequency chip 1 and radio frequency chip 2 with and corresponding radio-frequency front-end device.
If user selects singly to treat pattern, after starting up of terminal, baseband chip will enter serial and activate radio frequency unit state, that is: baseband chip according to measure with resident frequency range demand serial alternately activate radio frequency chip 1 and radio frequency chip 2 with and corresponding radio-frequency front-end device.According to network selection priority order from high to low, baseband chip can priority activation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, make the terminal can first search and measure LTE network, if possess access conditions, the resident LTE network of terminal; If do not possess access conditions, terminal meeting first search and measurement TD-SCDMA network, now baseband chip still activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof, makes terminal can search for and measure TD-SCDMA network, if possess access conditions, the resident TD-SCDMA network of terminal; If do not possess access conditions, WCDMA network can be searched for and measure to terminal, and now baseband chip is to radio frequency chip 2 and corresponding radio-frequency front-end device deexcitation thereof, and activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if possess access conditions, the resident WCDMA network of terminal; If do not possess access conditions, GSM network can be searched for and measure to terminal, and now baseband chip still activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof, makes terminal can search for and measure GSM network, if possess access conditions, and the resident GSM network of terminal; If do not possess access conditions, terminal notifying user is accessible without network.
(2) control mode of baseband chip to radio frequency unit in reuse adoption process
As shown in Figure 4, the CSFB multimode list proposing for the embodiment of the present invention is treated and the software control flow chart of the two schemes to be mixed of multimode in reuse adoption process.
If user selects two patterns for the treatment of, and network possesses two conditions to be accessed, baseband chip will enter and line activating radio frequency unit state, that is: baseband chip by according to measure the pattern resident with gravity treatment, frequency range demand activate simultaneously radio frequency chip 1 and radio frequency chip 2 with and corresponding radio-frequency front-end device.
If pattern is singly treated in user's selection, the mode of baseband chip control radio frequency unit depends on the network reselection demand of terminal.
If terminal need to two-way gravity treatment between LTE and TD-SCDMA network, baseband chip will activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
If terminal need to two-way gravity treatment between LTE and WCDMA network, baseband chip by serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device.If terminal is from LTE network reselection to WCDMA network, baseband chip is deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof; If terminal is from WCDMA network reselection to LTE network, baseband chip is deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
If terminal need to two-way gravity treatment between LTE and GSM network, baseband chip by serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device.If terminal is from LTE network reselection to GSM network, baseband chip is deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof; If terminal is from GSM network reselection to LTE network, baseband chip is deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
If terminal need to two-way gravity treatment between TD-SCDMA and GSM network, baseband chip by serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device.If terminal is from TD-SCDMA network reselection to GSM network, baseband chip is deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof; If terminal is from GSM network reselection to TD-SCDMA network, baseband chip is deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
If terminal need to two-way gravity treatment between WCDMA and GSM network, baseband chip activation radio frequency chip 1 and corresponding radio-frequency front-end device thereof.
(3) control mode of baseband chip to radio frequency unit when circuit domain business
As shown in Figure 5, the CSFB multimode list proposing for the embodiment of the present invention is treated and the software control flow chart of the two schemes to be mixed of multimode in circuit domain business process.
If user selects two patterns for the treatment of, and network possesses two conditions to be accessed, no matter whether have circuit domain business demand, baseband chip all in and line activating radio frequency unit state, that is: baseband chip activate simultaneously radio frequency chip 1 and radio frequency chip 2 with and corresponding radio-frequency front-end device.
If user select singly to treat pattern, and terminal is current resides under LTE network, the mode of baseband chip control radio frequency unit depends on the circuit domain business type of initiating or receiving, and carries the network type that these service needed fall after rise.
For example, if user initiates or receive the circuit domain business (: voice service) except short message, terminal need to determine to fall back to WCDMA or GSM or such business of the TD-SCDMA network carrying from LTE network according to network instruction; After standby service finishes, terminal need to be returned to LTE network.
If network requirement terminal falls back to the circuit domain business of the WCDMA network carrying except short message from LTE network, baseband chip will activate radio frequency unit state in serial, that is: baseband chip is by deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can fall WCDMA network after rise; After standby service finishes, baseband chip is deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can return to LTE network.
If network requirement terminal falls back to the circuit domain business of the GSM network carrying except short message from LTE network, baseband chip will activate radio frequency unit state in serial, that is: baseband chip is by deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can fall GSM network after rise; After standby service finishes, baseband chip is deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can return to LTE network.
If network requirement terminal falls back to the circuit domain business of the TD-SCDMA network carrying except short message from LTE network, baseband chip will activate radio frequency unit state in serial, that is: baseband chip still activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can fall TD-SCDMA network after rise; After standby service finishes, baseband chip still activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can return to LTE network.
If user initiates or receives short message service, terminal will still reside under LTE network and carry short message service, and now baseband chip activates radio frequency unit state in serial, that is: baseband chip still activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
(4) control mode of baseband chip to radio frequency unit when packet switch domain service connected state
As shown in Figure 6, the CSFB multimode list proposing for the embodiment of the present invention is treated and the software control flow chart of the two schemes to be mixed of multimode in packet switch domain service process.
If user selects two patterns for the treatment of, and network possesses two conditions to be accessed, no matter whether have packet switch domain service demand, baseband chip all in and line activating radio frequency unit state, that is: baseband chip activate simultaneously radio frequency chip 1 and radio frequency chip 2 with and corresponding radio-frequency front-end device.
If user select singly to treat pattern, and terminal is current resides under LTE network, baseband chip depends on data service interoperability demand to the control mode of radio frequency unit when packet switch domain service connected state.
For example, if terminal need to realize data service interoperability (: be redirected, switching etc.) between LTE and TD-SCDMA network, baseband chip activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
For example, if terminal need to realize data service interoperability (: be redirected, switching etc.) between LTE and WCDMA network, baseband chip by serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device.If data service need to or switch to WCDMA network from LTE network redirection, baseband chip is deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof; If data service need to or switch to LTE network from WCDMA network redirection, baseband chip is deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
For example, if terminal need to realize data service interoperability (: be redirected, gravity treatment, the switching etc. of terminal control) between LTE and GSM network, baseband chip by serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device.If data service need to or switch to GSM network from LTE network redirection, baseband chip is deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof; If data service need to be from GSM network the gravity treatment by terminal control or switching mode to LTE network, baseband chip is deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
For example, if terminal need to realize data service interoperability (: be redirected, the gravity treatment of terminal control etc.) between TD-SCDMA and GSM network, baseband chip by serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device.If data service need to be from TD-SCDMA network redirection to GSM network, baseband chip is deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof; If the reselection modes that data service need to be by terminal control is from GSM network to TD-SCDMA network, baseband chip is deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
For example, if terminal need to realize data service interoperability (: be redirected, the gravity treatment of terminal control etc.) between WCDMA and GSM network, baseband chip will activate radio frequency chip 1 with and radio-frequency front-end device accordingly.If data service need to be from WCDMA network redirection to GSM network, baseband chip activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof; If data service need to be by the gravity treatment of terminal control from GSM network to WCDMA network, baseband chip still activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof.
Compared with prior art, the technical scheme that the embodiment of the present invention proposes has the following advantages:
The technical scheme proposing by the application embodiment of the present invention, utilize baseband chip serial alternately to control two cover radio frequency chips and corresponding radio-frequency front-end device (power amplifier thereof, band pass filter, duplexer, switch, antenna etc.), make single standby and the two standbies can multiplexing identical radio frequency chip and radio-frequency front-end device, baseband chip is selected radio frequency chip to adopt serial to replace control mode or parallel control mode with two variations for the treatment of pattern according to singly treating, make single standby and the two standbies can identical radio frequency chip and the radio-frequency front-end device of flexmux, thereby, both can support multimode pair to treat to treat two kinds of mode of operations with multimode list, can reduce again multi-module mobile terminal implementation complexity and cost, reduce the volume of terminal equipment.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into multiple submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. a terminal equipment, is characterized in that, comprises a baseband chip, and two cover radio frequency chip and corresponding radio-frequency front-end devices thereof:
Described baseband chip, for according to singly treating that pattern and two variations for the treatment of pattern select radio frequency chip to adopt serial to replace control mode or parallel control mode;
Described two cover radio frequency chips, accept the control of described baseband chip for replacing control mode or parallel control mode by serial, and utilize corresponding radio-frequency front-end device to carry out signal transmission, make single standby and two standbies can multiplexing identical radio frequency chip and radio-frequency front-end device carry out signal transmission.
2. terminal equipment as claimed in claim 1, is characterized in that, described baseband chip, specifically for:
Select two to treat pattern determining, and network possesses in the situation of two conditions to be accessed,, after described starting up of terminal, enter and line activating radio frequency unit state;
In the situation that definite selection is singly treated pattern,, after described starting up of terminal, enter serial and activate radio frequency unit state.
3. terminal equipment as claimed in claim 2, is characterized in that, described baseband chip, specifically for:
According to network selection priority and the network measuring, radio frequency chip is alternately controlled in accessible situation serial.
4. terminal equipment as claimed in claim 3, is characterized in that, described baseband chip, specifically for:
According to network selection priority order from high to low, priority activation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, first search and measurement LTE network, if possess access conditions, resident LTE network;
If do not possess access conditions, first search and measurement TD-SCDMA network, still activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, search and measurement TD-SCDMA network, if possess access conditions, and resident TD-SCDMA network;
If do not possess access conditions, search for and measure WCDMA network, to radio frequency chip 2 and corresponding radio-frequency front-end device deexcitation thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if possess access conditions, resident WCDMA network;
If do not possess access conditions, search for and measure GSM network, still activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, search and measurement GSM network, if possess access conditions, resident GSM network;
If do not possess access conditions, point out user accessible without network.
5. terminal equipment as claimed in claim 2, is characterized in that, described baseband chip, specifically for:
According to multimode interoperability demand and the network measuring, radio frequency chip is alternately controlled in accessible situation serial.
6. terminal equipment as claimed in claim 5, is characterized in that, described baseband chip, specifically for:
If desired two-way gravity treatment between LTE and TD-SCDMA network, activates radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired two-way gravity treatment between LTE and WCDMA network, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if from LTE network reselection to WCDMA network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if from WCDMA network reselection to LTE network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired two-way gravity treatment between LTE and GSM network, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if from LTE network reselection to GSM network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if from GSM network reselection to LTE network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired two-way gravity treatment between TD-SCDMA and GSM network, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if from TD-SCDMA network reselection to GSM network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if from GSM network reselection to TD-SCDMA network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired two-way gravity treatment between WCDMA and GSM network, activates radio frequency chip 1 and corresponding radio-frequency front-end device thereof.
7. terminal equipment as claimed in claim 2, is characterized in that, described baseband chip, specifically for:
According to type of service and the network measuring, radio frequency chip is alternately controlled in accessible situation serial.
8. terminal equipment as claimed in claim 7, is characterized in that, described baseband chip, and under circuit domain scene, specifically for:
If user initiates or receives the circuit domain business except short message, need the instruction according to network to determine to fall back to WCDMA or GSM or such business of the TD-SCDMA network carrying from LTE network, after standby service finishes, return to LTE network;
If user initiates or receives short message service, will still reside under LTE network and carry short message service, now activate radio frequency unit state in serial, still activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof.
9. terminal equipment as claimed in claim 8, is characterized in that, described baseband chip, specifically for:
If user initiates or receives the circuit domain business except short message, and network requirement is fallen back to the circuit domain business of the WCDMA network carrying except short message from LTE network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can fall WCDMA network after rise, after standby service finishes, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to return to LTE network;
If user initiates or receives the circuit domain business except short message, and network requirement is fallen back to the circuit domain business of the GSM network carrying except short message from LTE network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can fall GSM network after rise, after standby service finishes, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to return to LTE network;
If user initiates or receives the circuit domain business except short message, and network requirement is fallen back to the circuit domain business of the TD-SCDMA network carrying except short message from LTE network, still activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can fall TD-SCDMA network after rise, after standby service finishes, still activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof, to guarantee that terminal can return to LTE network.
10. terminal equipment as claimed in claim 7, is characterized in that, described baseband chip, and under packet domain scene, specifically for:
If desired between LTE and TD-SCDMA network, realize data service interoperability, activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof;
If desired between LTE and WCDMA network, realize data service interoperability, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if data service need to or switch to WCDMA network from LTE network redirection, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if data service need to or switch to LTE network from WCDMA network redirection, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof,
If desired between LTE and GSM network, realize data service interoperability, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if data service need to or switch to GSM network from LTE network redirection, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if data service need to be from GSM network the gravity treatment by terminal control or switching mode to LTE network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof,
If desired between TD-SCDMA and GSM network, realize data service interoperability, serial alternately activate radio frequency chip 2 and radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if data service need to be from TD-SCDMA network redirection to GSM network, deexcitation radio frequency chip 2 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if data service need to be by the reselection modes of terminal control from GSM network to TD-SCDMA network, deexcitation radio frequency chip 1 and corresponding radio-frequency front-end device thereof, and activate radio frequency chip 2 and corresponding radio-frequency front-end device thereof,
If terminal need to realize data service interoperability between WCDMA and GSM network, activate radio frequency chip 1 with and corresponding radio-frequency front-end device, wherein, if data service need to be from WCDMA network redirection to GSM network, activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof, if data service need to be by the gravity treatment of terminal control from GSM network to WCDMA network, still activate radio frequency chip 1 and corresponding radio-frequency front-end device thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153350.7A CN104125660A (en) | 2013-04-27 | 2013-04-27 | Terminal device capable of realizing multi-mode single standby and dual standby hybrid scheme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310153350.7A CN104125660A (en) | 2013-04-27 | 2013-04-27 | Terminal device capable of realizing multi-mode single standby and dual standby hybrid scheme |
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| CN104125660A true CN104125660A (en) | 2014-10-29 |
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| CN201310153350.7A Pending CN104125660A (en) | 2013-04-27 | 2013-04-27 | Terminal device capable of realizing multi-mode single standby and dual standby hybrid scheme |
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| CN111384993A (en) * | 2020-03-20 | 2020-07-07 | 钟杰东 | ZJD baseband chip and ZJD baseband chip management system |
| CN111740743A (en) * | 2020-06-17 | 2020-10-02 | 西安微电子技术研究所 | Low-overhead AD controller circuit supporting serial and parallel modes |
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Application publication date: 20141029 |