CN105848307B - Support the mixing apparatus and system of LTE and 3G communication standard - Google Patents
Support the mixing apparatus and system of LTE and 3G communication standard Download PDFInfo
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- CN105848307B CN105848307B CN201610183576.5A CN201610183576A CN105848307B CN 105848307 B CN105848307 B CN 105848307B CN 201610183576 A CN201610183576 A CN 201610183576A CN 105848307 B CN105848307 B CN 105848307B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
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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
Abstract
The present invention relates to the mixing apparatus and system of supporting LTE and 3G communication standard.The present invention provides one mobile device of one kind for providing the notice of circuit switching event, which includes circuit switching modem, packet data exchanged modem and antenna.Circuit switching modem, for exchanging data by circuit-switched network transmission circuit.Packet data exchanged modem, for passing through packet data switched network transmitting packet switched data.And antenna is connected to the packet data switched network by packet data exchanged Radio Link for being connected to the circuit-switched network by circuit-switched wireless link, wherein the antenna includes a transmitter and two receivers.
Description
The application is the applying date on March 29th, 2013, application No. is No. 201310109901.X entitled " branch
Hold the mixing apparatus and system of LTE and 3G communication standard " Chinese patent application divisional application.
Invention field
The present invention relates generally to world of cellular telecommunications, and in particular to execution circuit exchanges in single antenna dual mode cellular system
The mechanism of feedback.
Background technique
Currently, cellular telephone industry just undergoes exponential type to increase, it is this to increase not only in a country, but
It is mondial.It is well known, in fact, that the adult population greater than 20 percent is even without traditional line in the U.S.
Road phone.In addition to these do not have the people of black phone, in the crowd for having black phone, close to 90 percent adult population
Possess radio telephone.
Also, in the coverage area of traditional circuit phone, the use of cellular phone is also increasing.In fact, now flat
A cellular phone is used only in every seven adults.On the contrary, cellular phone was the use when no route is available in the past,
Either in case of emergency use, it is free compared between low carrier rate, the payment of family set meal and mobile phone or between friend
The significant growth for facilitating cell phone and using of call.Now, any public place or mechanism, most people are come into
It the use of cell phone exchange is being very common.
It just has been able to be communicated using mobile phone or mobile station from the middle of last century.However, in nineteen ninety
In generation, proposes so-called " 2G " or second generation mobile telephone system, has started equipment that we enjoy today and has used
Increase.These initial stage systems surpassingly provide the reliability services and routing of audio call between multi-party.Also, such as this field
Technical staff it will be appreciated that as, in order to maintain service quality, there are multiple related to sending and receiving for voice data
The timing of connection and potential request.Such as, circuit switched voice link is assuring this service quality.
Although wireless cellular network technology persistently provides improvement related with the processing ability of audio call,
There is also the great demands to reliable and effective transmitting grouped data in the sector.Therefore, the volume in high-speed grouped data network
The outer development for developing the speech network that do not invariably accompany.A target in the industry is to show that can provide a reliable language
Sound can provide the more unified solution of high data rate access again.Therefore it is normal practice that a kind of mobile system is set,
It is in a kind of circuit-switched network, such as CDMA2000 1xRTT, upper offer voice communication, and in another kind of network, such as
LTE, upper progress high data rate communication, the data which only provides grouping do not provide user's support preferred
The service quality of voice communication.In the near future, the solution of these mixing will be in this field prevalence.
In order to be arranged this hybrid system, designer focus on for two or more networks disposed jointly cause conflict or
The example development agreement that the two or more network requests disposed jointly of person interoperate this kind of.
A kind of this example of present invention processing is handed in the high data rate network for only providing block data communication to circuit
The switching of speech network is changed, to handle calling and incoming call or exhalation or other circuit switching events, also, it is more specific
Ground is said, using packet data " tunnel " (tunnel) Lai Jianli circuit-swtiched notifications bridge is passed through, to send these notices
To the rear end interaction solution of mobile station, current this switching will receive how to influence.
Specifically, be fall back to circuit-switched network in the high data rate session to handle incoming call or exhalation and
Existing agreement.Many current technologies defer to the form of " establishing tunnel ", wherein notification data associated with calling encapsulates
In the data unit sequence exchanged on a packet data network.Also, inventors have seen that in entire framework
Specialized hardware and program are needed, in order to provide this ability.
Therefore, it is necessary to can obtain or provide circuit when a kind of permission mobile station is communicated on a packet data network
The technology of the notice of exchange event, wherein need access message and corresponding back-end hardware/software.
Summary of the invention
Present invention seek to address that above and other problem, the shortcomings and limitations of the prior art.The present invention provides one kind one and moves
For dynamic equipment for providing the notice of circuit switching event, which includes circuit switching modem, and packet data is handed over
Change modem and antenna.Circuit switching modem, for exchanging data by circuit-switched network transmission circuit.Point
Group data exchange modem, for passing through packet data switched network transmitting packet switched data.And antenna, for leading to
Oversampling circuit exchange Radio Link is connected to the circuit-switched network, is connected to the packet count by packet data exchanged Radio Link
According to exchange network, wherein the antenna includes a transmitter and two receivers.
One aspect of the present invention is related to a packet data network, is connected to a mobile device and hands over for providing circuit
The notice of event is changed, which includes base station, mobile management unit and gateway.Base station connects the movement and sets
It is standby, for providing packet data radio link to the mobile device.Mobile management unit is connected to the base station.And service network
It closes, is connected to the mobile management unit, for providing packet data, wherein the mobile device includes that a transmitter and two connect
Device is received, which is connected to a circuit-switched network.
Another aspect of the present invention is related to a method, provides the notice of circuit switching event, the shifting for mobile device
Dynamic equipment includes exchanging data by circuit-switched network transmission circuit；Packet switch number is transmitted by packet data switched network
According to；And by an antenna, which is connected to by circuit-switched wireless link, by packet data exchanged without
Wired link is connected to the packet data switched network, and wherein the antenna includes a transmitter and two receivers.
An additional aspect of the present invention is related to a method, is used for a packet data network, packet data network connection
To a mobile device for providing the notice of circuit switching event, which includes: to connect base station to the movement
Equipment, for providing packet data radio link to the mobile device；Mobile management unit is connected to the base station；And connection clothes
Business gateway mobile management unit, for providing packet data, wherein the mobile device includes a transmitter and two receptions
Device, the mobile device are connected to a circuit-switched network.
Therefore, do not need to make network-side more improvement the present invention provides one kind, at the same reduce terminal cost and
Power consumption, the device and method for being attached LTE and 3G communication.
Detailed description of the invention
These and other target of the invention, feature and advantage are illustrated below with reference to accompanying drawings, in the accompanying drawings:
Fig. 1 is the block diagram for showing existing single antenna dual mode cellular framework；
Fig. 2 is to show dual mode cellular block architecture diagram according to the present invention；
Fig. 3 is the flow chart for showing the powering method of single antenna dual mode cellular mobile device according to the present invention, the process
It can be used in the framework of Fig. 2；
Fig. 4 is the flow chart for showing single antenna mode mobile terminal beginning call method in CDMA2000 1x according to the present invention,
The process can use in the framework of Fig. 2；And
Fig. 5 is the flow chart for the method that single antenna mode mobile terminal frequency according to the present invention connects back to LTE, the process
It can be used in the framework of Fig. 2.
Specific embodiment
Multiple embodiments are described referring now to attached drawing, wherein indicating similar elements herein with identical appended drawing reference.
In the following description, for convenient for explain, a large amount of details are given, in order to provide to the comprehensive of one or more embodiments
Understand.It may be evident, however, that the embodiment can also be practiced without these specific details.In other examples, with block diagram
Form shows known features and equipment, in order to describe one or more embodiments.
In addition, the various aspects of the application are described below.It should be appreciated that this disclosure can be with a variety of
Form realizes that any specific structure disclosed herein and/or function be merely illustrative.According to the disclosure of this article,
Those skilled in the art should understand that aspect disclosed herein can be realized independently of any other aspect, and
Two or more in terms of these can be combined in various manners.For example, using it is set forth herein it is any number of for the use of can be with
Method may be implemented in realization device.In addition, using other structures, function or removing one or more aspects set forth herein
Except structure and function or structure and function different from one or more aspects set forth herein, such device may be implemented
Or realize the method.
Discussion referring to above-mentioned background technique about CDMA2000, wireless access is interactive and uses in associated system
Provide 1xRTT circuit-swtiched notifications to mobile station or the associated technology of the signalling sent from mobile station, described in Fig. 1
Limitation associated with present scheme.Later, the present invention will be described referring to Fig. 2-5.The present invention does not need to use access and corresponding
Rear end equipment, jump to move processing and provide by frequency of use in a mobile station and send the technology of 1xRTT circuit notice signaling and solve
The certainly limitation of current pass technology.
Fig. 1 shows current single-antenna dual mode cellular device 100 and passes through packet data radio link 109 to dual mode mobile station
The block diagram of 101 notice incoming call or other circuit switching events.Framework 100 includes mobile station 101, and mobile station 101 has
There are circuit switching modem 102 and packet data modem 104, circuit switching modem 102 is for handling
Circuit-switched cellular application, packet data modem 104 is for handling packet data application.Modem 102 and 104
It is baseband modem, and shares an antenna 103, will pass through packet data radio link 109 or circuit switching
Radio Link 106 carries out signal transmission.To which mobile station 101 passes through circuit-switched wireless link 106 and circuit-switched base station
107 are coupled, and are coupled by packet data radio link 109 with packet data base station 110.
Circuit-switched base station 107 is coupled with wireless switching center 114.Wireless switching center 114 and 112 phase of Network Node Interface
Coupling.Network Node Interface 112 is coupled by packet data link 115 and grouping management unit PME 116.Wireless switching center
114 pairs come from or are sent to exhaling for public phone exchanges network (public switched telephone network, PSTN)
It cries and is routed with event.Grouping management unit 116 is coupled with packet data exchanged center 118, packet data exchanged center
118 pairs from or be sent to such as internet packet network data and event route.
In operation, the calling of the circuit switching on public phone exchanges network and event are to pass through wireless switching center
114 are routed to circuit-switched base station 107.Calling and other events all and occurring on circuit-switched wireless link 106
Associated control and business are all handled by the circuit switching modem 102 in mobile station 101.Similarly, mutual
Packet data and event in networking are routed to and are currently assigned to the grouping of mobile station 101 by packet data exchanged center 118
The specific packet data mobile entity 116 of 110 interfaces of base station.All controls associated with packet data or other events
All occur on packet data radio link 109 with business, and is received by antenna 103, and by the packet count in mobile station 101
It is handled according to modem 104.
The present invention is more particularly directed to situation associated with current two mode field, an example is to by such as in code
The calling of 106 processing circuit of cdma wireless link exchange in point multiple access (CDMA) 2000 1xRTT framework and other events and
Grouping is handled by the packet data radio link 109 such as in Universal Terrestrial wireless access network (EUTRAN) framework of evolution
The single antenna dual mode mobile station 101 of data and other events.EUTRAN framework is commonly referred to as long term evolution (LTE) framework, and
This literary style is also used herein.As skilled artisans will appreciate that as, CDMA2000 1xRTT circuit switching frame
Structure, or " 1x " framework are it is known in the art that calling for processing circuit exchange, such as audio call, and LTE framework is present
Point worldwide known as major deployments at metropolitan center, as the EV-DO packet data network currently disposed
The supplement of group communication ability.In addition, those skilled in the art will know that LTE is the network for being absorbed in packet data.That is, LTE
It does not support such as providing the circuit-switched channel of legacy cellular voice calling.LTE is not provided to the referred to as networking telephone
(VoIP) support called, it will be appreciated by those skilled in the art that defect associated with current voip technology makes in movement
A possibility that VoIP is routinely used in platform 101 very little.
The present invention will use 1x and LTE application in example and term because both terms be all widely recognized and
It uses.However, inventors have seen that the scope of the present invention is not limited to 1x and LTE, but expanding to includes in this way
Single antenna dual mode cellular device, i.e., used in Radio Link 109 one be used for notice mobile station 101 and circuit switching chain
The associated incoming call audio call with the timing and quality of service characteristics and requirement that are equal with circuit-switched application in road 106 or
The other events of person.
In specific 1x and LTE term, mobile station 101 refers to user equipment (user equipment, UE) 101.Point
Group administrative unit 116 refers to mobile management unit (Mobility Management Entity, MME) 116, is LTE network
Main access node.116 interface of mobile management unit to multiple packet data base stations 110, also referred to as drill by packet data base station 110
Into node B (eNB) 110.Network Node Interface 112 is S102 interface 112, or usually interworking solution (IWS) 112.Intercommunication
Solution (IWS) 112 be responsible for by tunnel (tunneling) mechanism by the circuit-switched network of such as 1x and LTE network into
Row interaction.Packet data radio link 109 is known as LTE-Uu interface 109.Therefore, when packet data is sent out by packet data network
When being sent to mobile station 101, for the purposes of the present invention, circuit switching element 102,107,112 is sky shown in framework 100
Not busy state, and antenna 103 is used to be communicated by packet data link 109.Packet data is to pass through packet data exchanged
Center 118 is routed to internet or from interconnection path by coming out, by packet data mobile entity 116, by packet data
Base station 110, and on packet data radio link 109 reach mobile station 101 in packet data adjustment demodulator 104 or
It is sent out from packet data adjustment demodulator 104.
But when displacement of targets moves the circuit switching event of platform 101, such as call, comes in switched wireless middle line 114
When, it is necessary to it notifies mobile station 101 that must stop handling packet data as early as possible by packet data radio link, and falls back to electricity
Road exchanges Radio Link 106, to continue to receive the calling in next step.However, because circuit switched protocol and packet data
Agreement be not it is reciprocity, designer be dedicated to provide allow it is this notice occur technology and scheme.Make in 1x/LTE environment
A kind of this kind of technology be it is described above establish tunnel, provided by the circuit switched data (TCSDATA) 121 in tunnel logical
Know, confirm and with calling receivings associated circuit switching parameter negotiation, and fall back to 106 conduct of circuit-switched wireless link
Data portion is encapsulated into the lower layer data grouping 120 for sending and transmitting on a packet data network, these links include chain
Road 115,119,109.In addition, the notification data 121 of circuit switching uses data grouping 120 as access, sent out by the tunnel
Send/receive the parameter of circuit switching.
Tunnel protocol is defined in E-UTRAN-cdma2000 1x Connectivity and Interworking Air
Interface Specification,Version 2.0,April 2011,C.S0097-0,published by the 3rd
Generation Partnership Project 2 (3GPP2) (hereafter for " 0097 Specification of the '), the agreement
It describes to the circuit switching fall-back of single antenna mobile stations to 1x mechanism, it is seen that in Circuit Switched (CS) Fallback
in Evolved Packet System(EPS)；Stage 2,Version 10.2.1,2013-01-04,TS 23.272
Published by 3GPP2 (hereafter for " 272 Specification of the ')
Internet interface 112 is the rear end equipment element of specific purpose installation, realizes wireless switching center 114 and grouping
Interface between data mobile entity 116, and it is responsible for most of places associated with the tunnel for establishing circuit switched data 121
Reason.Access grouping 120 is routed on link 115,119,109 by mobile entity 116 and base station 110, but only in rear end
101, the processing of data 121 is required at 112.Referring to the circuit-switched network of current such as 1xRTT, existing largely must be by circuit
The back-end processing of exchange event is to guarantee the configuration information of service quality.In 1x, the protocol layer for handling these information is link
Access control (LAC) layer.Packet data modem 104 and packet data base station 110 also include that LAC processing element (does not show
Out), to support to communicate by the layer border of packet data network.However, in order to provide circuit switching by packet data network
The notice of calling and other events, requires the LAC in tunnel in internet interface 112 and packet data modem 104
(TLAC) layer processing element.Therefore, packet data modem 104 includes TLAC processor 105, and internet interface
112 include TLAC processor 113.These processors 105,113 are described below, processor 105,113 executes grouping respectively
The LAC layer processing required in data modem unit 104 and internet interface 112 provides electricity will pass through packet data network
The notice of road exchange calling and other events.Certainly, since the basic goal of internet interface 112 is to connect circuit-switched network
It is connected to packet data network, so, it must then handle LAC layers of information.In fact, the sole purpose of internet interface 112
It is to provide the access of circuit switched data by packet data network.
Those skilled in the art will be seen that, with the access about circuit-switched call and event on a packet data network
The associated hardware and software of information is limited and is troublesome.It is required that special equipment, for example, internet interface 112, comes
By packet data access by Circuit-Switched Data link to mobile station 101, and therefore, the present inventor observes this
A little equipment increase power consumption and reduce the reliability of communication system entirety.
In existing communication construction, it can be common that two kinds of 1x and LTE hybrid solutions.The first is exactly simultaneous voice
LTE (Simultaneous Voice and LTE Long Term Evolution, SV-LTE), this is that one kind can make mobile phone
The agreement and standard of voice-and-data business are used simultaneously.In particular, when speech network is CDMA2000 1xRTT, data network
For LTE (4G) network.In the user equipment of simultaneous voice LTE, equipped with two sets of transmitters and receivers, that is to say, that two
The independent setting of transmitters and receivers is covered in a user terminal.User can be connected to LTE network and CDMA simultaneously
2000 1x networks.Due to being two sets of receive-transmit systems, those of ordinary skill in the art is it is understood that need two sets of base band
Processor corresponds to two sets of receive-transmit systems.In the solution, LTE network provides data service, and 1x provides voice service, only
User terminal is needed to carry out the modification and supplement of adaptability.For LTE network and 1x network, the program does not need any modification
With the increase of any element, either in equipment or agreement in terms of.Therefore, thus do not need network support do not need yet 1x and
Interface between LTE.But the shortcomings that this scheme is to need two sets of independent receive-transmit systems, therefore cause cost and power is wanted
Significantly larger than common user terminal.
Another solution is circuit switching fall-back (CSFB, Circuit Switch Fall Back) or evolution
The circuit switching fall-back of type.In this solution, it is only necessary to a set of transmitters and receivers, also referred to as single antenna or list
One antenna.Compared with the synchronous LTE of voice, this scheme needs network interface to support, such as S-102 interface.LTE only provides number
According to service, when user initiates or receives the calling of 1x network, a notice is issued to user equipment by s-102 interface,
So that user equipment is switched back to circuit commutative field and handles this calling.The program needs between the support of network-side and 1x and LTE
Network interface.No matter the disadvantage is that switching back into LTE network, the reaction speed of user equipment after response calling or end of calling
It is lower.
The present invention by bimodulus single antenna mobile terminal provide transmission and reception circuit switching technology overcome it is above-mentioned and
Other problems.Full implementation technology in a mobile station, to alleviate the demand to internet interface 112.Below with reference to
Fig. 2-5 describes the present invention.
Fig. 2 is to elaborate the system block diagram of a single antenna dual mode cellular device 200 according to an embodiment of the present invention.With
Device 100 is similar in Fig. 1, and according to the solution of the present invention, device 200 passes through packet data using single antenna dual mode mobile station 201
Radio Link 209 and the completion of circuit-switched wireless link 206 send and receive.Single antenna dual mode cellular device 200 will be for that will receive
The calling arrived or other circuit switching events notify dual mode mobile station 201, without the frequency channel discussed before use
Digging technology.
In one embodiment of the invention, single antenna is different from the single antenna in circuit switching fall-back described above.This
Place, single antenna include a transmitter and two receivers.One transmitter is by LTE network and 1x network share, two receptions
Device is respectively allocated to LTE network and 1x network, and the business service for allowing user terminal to receive LTE in the first radio frequency unit is same
When the second radio frequency unit receive CDMA2000 1x paging message.Certainly sometimes, two receivers can be distributed
To LTE network or 1x network, this depends on the setting of user.In some cases, when two receivers distribute to LTE net
When network, the paging message of 1x network may be missed or abandon.
In double reception mode, hardly in two receivers while bearer data transmission business, because data are transmitted
Business needs uplink and downlink both links, can less use in the wireless terminal of single transmitter.However, a receiver
Data are captured, it is very universal that another reception area, which monitors this way of paging message,.Person skilled in art can manage
It solves, the priority for monitoring the message of 1x control channel is higher than the data of LTE network.Because often audio call is than business
Service it is important, so part LTE paging message transmission performance degeneration be acceptable.
The frequency that the present invention uses, which jumps shifting technology, may be implemented identical function without increasing spy in Network Node Interface 112
Different rear end equipment is supported.Device 200 includes mobile station 201, and mobile station 201 includes exchanging cellular application for processing circuit
Circuit switching modem 202, and the packet data modem 204 for handling packet data application.Modulation /demodulation
Device 202,204 be that baseband modem shares a single antenna 203, which is used for transmission packet data radio link
209 or the signal mobile station 201 of circuit-switched wireless link 206 be used to be connected to one by circuit-switched wireless link 206
A circuit-switched base station 207, and a packet data base station 210. is connected to by packet data radio link 209
Circuit-switched base station 207 is connected to wireless switching center 214. compared with the device 100 in Fig. 1, and the present invention is not required to
112. wireless switching center 214 of Network Node Interface is wanted to pass through public phone exchanges network (public switched telephone
Network, PSTN) (route) calling and event are routed in order to send and receive packet data, grouping management unit 216
(packetized management entity, PME) is connected to a 118 (packetized of packet data exchanged center
Data switching center, PDSC), and data and event are routed by packet data network such as internet.
In operation, circuit-switched call and event pass through public phone exchanges network (PSTN) by wireless switching center
214 routing (route) callings and event are all to circuit-switched base station 207. and exhaling in circuit-switched wireless link 206 occurs
It cries or the related control of other events is handled with business by the circuit switching modem 202 in mobile station 201.It is similar
, packet data and event in internet occurs, one grouping management unit 216 is routed to by packet data exchanged center 218,
Grouping management unit 216 have interface be connected to just distribute to mobile station 201 grouping base station 210. it is all and occur in packet count
According to Radio Link 209 and by the received calling of antenna 203 or the related control of other events and business by mobile station 201
Packet data modem 204 handle.
One embodiment of the present of invention can be used in some specific existing dual mode system configuration surroundings, such as single antenna is double
Mould mobile station 201 can exchange calling and other events in cdma wireless link processing circuit, and this cdma wireless link is visible
In CDMA2000 1xRTT system, while passing through the processing packet data of packet data radio link 209 and other events, this point
Group data link is found in Universal Terrestrial wireless access network (the Evolved Universal Mobile of evolution
Telecommunications System Terrestrial Radio Access Network, EUTRAN), such as drill for a long time
Into communication technology LTE.Although that discussed herein is 1X and LTE, the present inventors have noted that it is can also be applied to it is well known its
His data protocol or other communication technologys.Certainly, the present inventors have noted that scope of the invention should not be limited only to 1x and LTE,
And can be applied to when receiving calling related with circuit-switched link 206 or other events, it is logical using Radio Link 209
Know mobile station 201, the event and quality requirement of these callings or other events are only in circuit-switched application.
Grouping management unit 216 is connected with multiple packet data base stations 210, and wherein packet data passes through packet data radio
Link 209 exchanges, and in this application, the circuit switching module 202,207,214 shown in device 200 is grouped in antenna 203
Data link 209 is in idle condition when occupying.Packet data passes through grouping management unit 216 from packet data exchanged center
218 are routed to internet, or are routed to packet data exchanged center 218 from internet, and pass through packet data radio link
209 from/to the base band packet data modem 204. in mobile station 201
Compared with existing device 100, when a circuit-swtiched notifications request, including but not limited to, such as work as mobile station
201 issue the registration request generated when a calling, or to terminate calling after mobile station 201 is connected to a calling, according to
The frequency that the present invention completes the circuit switched operation on circuit-switched wireless link 206 by packet data radio link 209 is jumped
Shifting technology will describe in detail following.
In one embodiment, send frequency to packet data base station 210 and jump and move message, for mobile station 201 from
(absence) is detached from the time synchronization of packet data radio link 209.In another embodiment, when synchronizing frequency jumps shifting
Between in 1X mobile station 201 power save suspend mode and wake-up it is consistent.Mobile station 201 includes that a frequency jumps shift controller
220, for packet data network in circuit-switched network carry out time reference it is synchronous, pass through baseband circuit exchange modulation
Demodulator 202 and base band packet data modem 204 execute frequency and jump shift time and arrange to move request with processing frequency jump
Message and reply.
Fig. 3 is the method flow for elaborating a single antenna dual mode cellular device according to an embodiment of the present invention and powering on
Figure, this method can be applied in structure described in Fig. 2.In step 301, mobile terminal powers on, in step 303, mobile
Terminal selects (MMSS, multimode system selection) search 1x network according to multimode system and is registered, more
Modular system selection is defined by user and operator.In step 305, mobile terminal to search LTE network is simultaneously registered.Mobile whole
After the access of 1x network and LTE network is completed at end.Mobile terminal enters idle state and Waiting for Call or other events.This
Place, mobile terminal be respectively register/be linked into wireless access network.In one embodiment, the access of 1x network is enjoyed higher
Priority.
Fig. 4 is to elaborate the flow chart of double reception single antenna mobile terminal caller, the party according to an embodiment of the present invention
Method can be applied in structure described in Fig. 2.
In step 1, mobile terminal or cry user equipment be connected to LTE evolution Universal Terrestrial wireless access network
(evolved universal terrestrial radio access network, E-UTRAN), connection enrollment process reference
Fig. 3, certainly, user terminal have been coupled to 1x RTT circuit domain.
In step 2, mobile terminal determines the need for carrying out 1x RTT activity, as responded the 1xRTT paging request received,
Mobile terminal caller is initiated, orientation management signaling is executed or is registered again.These decisions can be by user or user
Terminal determines.
In step 3, mobile terminal issues expansion service request (Extended Service Request) to moving tube
Unit is managed, expansion service request is that a kind of circuit switching fall-back indicates.Mobile terminal is shown in figure and is in moving type in LTE
State, it is certain the fact that be equally applicable to mobile terminal the case where LTE is in idle condition.
In step 4, mobile management unit sends the S1-AP message comprising circuit switching fall-back instruction and informs that LTE is mobile eventually
End will switch back to 1xRTT.
In step 5, E-UTRAN triggering wireless heterogeneous networks (raido resource control) release is connected and is carried out
Step 6, E-UTRAN does not include any directional information again to user terminal.
At step 6.E-UTRAN sends an S1 UE Context Release Request(Cause)
message to the MME.Cause indicates that the S1 UE Context Release was caused
For by CS fallback to 1xRTT. in step 6, E-UTRAN sends a S1 content user terminal release request (S1 UE
Context Release Request, Cause) to mobile management unit, the release request of S1 content user terminal indicates to refer to message
Show that 1xRTT. is fallen back in the exchange of S1 content user terminal release circuit
In step 7, mobile management unit sends content user terminal to suspended state and transmission one suspends request message
To gateway, it is desirable that evolved packet system (EPS, Evolved Packet System) carrier wave is hung up, evolved packet system packet
Include evolution node B, mobile management unit and gateway.Gateway undertakes business transmission.All evolved packet system carrier waves
S1-U carrier wave discharged by mobile management unit.All GBR carrier waves are set as inactive.S1-U is EUTRAN and mobile management unit
Between interface.All GBR carrier waves retain and label is in gateway.
In step 8, gateway confirmation suspends request message and marks mobile terminal to hang up, and takes when downlink data reaches
When business gateway, when mobile terminal is labeled as hanging up, gateway does not send downlink data notification message to mobile management unit.
It is discharged in the S1 content user terminal of step 9, E-UTRAN.
Fig. 5 is to illustrate that double reception mobile terminal returns to the flow chart 500 of LTE, the party according to an embodiment of the present invention
Method can be applied in structure described in Fig. 2.
In step 1, user terminal sends a NAS message, such as service request or tracing section updating (Tracking
Area Update, TAU)
In step 2, when content user terminal indicates that user terminal is suspended state in mobile management unit, mobile management
Unit sends a Restart Request message such as IMSI to gateway, it is desirable that reconnects to the carrier wave of evolved packet system.
In step 3, gateway confirmation Restart Request and the suspended state for emptying mobile terminal.
In step 4, NAS message is handled
In one embodiment of the invention, when the communication with LTE is in idle condition, mode mobile terminal monitoring is each
The paging time-slot or calling time of access technology.When being connected to LTE and being communicated, mobile terminal uses second radio frequency
Unit monitors 1x paging time-slot.When 1x is not responded, then without paging pairing.Mobile terminal can distribute the second radio frequency unit
To LTE.When 1x is responded, mobile terminal can carry out calling procedure described in Fig. 4.
It is appreciated that in response 1x calling, there are the supplements of some processing LTE connections, and wherein 1x calling includes movement
Terminal caller and called, registration, short message or data burst related with other application.It is mobile when LTE is in idle condition
Terminal, which does not need notice LTE system terminal, will be switched to the processing 1x calling of 1x system.It is mobile whole when LTE is in connection status
End needs to notify that LTE terminal will be switched to 1x calling and LTE connection will be suspended.It is mobile when user terminal is in 1x calling
The LTE module of terminal will go into power saving mode.
It should be appreciated that these all similar terms are relevant to physical quantity appropriate, and only use these objects
Manage the appropriate label of reason.Unless special explanation, or apparent discussion, " processing ", " estimation ", " calculating ", " judgement " or " aobvious
Show " etc. similar term, the computer system referred to, a microprocessor, a central processing unit or similar electronics calculate dress
The movement and processing set operate the register and the physical quantity in memory, electricity of computer system, calculate to be converted into
Other numbers similar with physical quantity in machine system storage, register or other storage devices, transmission device or display device
According to.
In addition, software realization mode of the invention is generally in program storage media or on other kenels transmission media
Coding.Program storage media may be that (such as read-only memory, flash ROM, electrically programmable are read-only deposits electronic component
Reservoir), random access memory (floppy disk or hard disk) or optics (a such as CD-ROM (CD-ROM)), and may can only be read
It takes or arbitrary access.Similarly, transmission medium may be metal wire, twisted pair, coaxial cable, optical fiber or some other existing
Transmission medium.The present invention is simultaneously not limited to these aspects.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, the technology of this field
Personnel under the premise without departing from the spirit and scope of the present invention, can make it is several change and retouch, therefore protection of the invention
Range is to be subject to claim of the invention.
Claims (11)
1. a mobile device is for providing the notice of circuit switching event, which includes:
Circuit switching modem, for exchanging data by circuit-switched network transmission circuit；
Packet data exchanged modem, for passing through packet data switched network transmitting packet switched data；And
Antenna passes through packet data exchanged radio chains for being connected to the circuit-switched network by circuit-switched wireless link
Road is connected to the packet data switched network,
Wherein the mobile device includes a transmitter and two receivers, and the mobile device is connect in the first receiver
Circuit switching event is received in second receiver while receiving packet switched data,
Wherein when the mobile device powers on, which searches for the circuit switching before searching for the packet data switched network
Network simultaneously carries out being registered in the circuit-switched network.
2. mobile device as described in claim 1, the wherein at least one receiver is connected to the circuit switching modulation /demodulation
Device, the transmitter are connected to the circuit switching modem and the packet data exchanged modem simultaneously.
3. mobile device as described in claim 1, wherein the mobile device, which is worked as, receives at least one following circuit switching event
When, send expansion service request:
The circuit-switched network newly accessed；
Paging message；
The calling initiated by mobile device；
Orientation management signaling；And
Re-registration.
4. mobile device as described in claim 1, wherein it is wireless to trigger the packet data exchanged for the packet data switched network
Link release connection.
It, should 5. mobile device as claimed in claim 4 further includes the mobile device and connects back to the packet data switched network
Mobile device sends a message to the packet data switched network, when the mobile device is in the list of the packet data switched network
When middle, packet data switched network transmission one, which restarts connection request and distributes the packet data exchanged Radio Link, gives the movement
Equipment, wherein the list indicates that the mobile terminal is suspended.
6. mobile device as described in claim 1, when the mobile device is connected to the packet data switched network, which is set
It is standby to notify the packet data switched network mobile device to hang up packet data exchanged Radio Link and handle any following electricity
Road exchange event or combinations thereof:
Mobile device caller；
Mobile device is called；
Registration；And
Short message.
7. a kind of method for the notice that circuit switching event is provided for mobile device, this method comprises:
Data are exchanged by circuit-switched network transmission circuit；
Pass through packet data switched network transmitting packet switched data；And
By an antenna, which is connected to by circuit-switched wireless link, it is wireless by packet data exchanged
For link connection to the packet data switched network, wherein the mobile device includes a transmitter and two receivers, and is somebody's turn to do
Mobile device receives circuit switching event in second receiver while the first receiver receives packet switched data,
Wherein when the mobile device powers on, which searches for the circuit switching before searching for the packet data switched network
Network simultaneously carries out being registered in the circuit-switched network.
8. the method for claim 7, the wherein at least one receiver is connected to the circuit switching modem, should
Transmitter is connected to the circuit switching modem and the packet data exchanged modem simultaneously.
9. the method for claim 7, wherein the mobile device is when receiving at least one following circuit switching event, hair
An expansion service is sent to request:
The circuit-switched network newly accessed；
Paging message；
The calling initiated by mobile device；
Orientation management signaling；And
Re-registration.
10. the method for claim 7, further including: after the packet data exchanged Radio Link, which discharges, to be connected, the movement
Equipment connects back to the packet data switched network, which sends a message to the packet data switched network, when this
When mobile device is in the list of the packet data switched network, which sends one and restarts connection request simultaneously
The packet data exchanged Radio Link is distributed to the mobile device, wherein the list indicates that the mobile terminal is suspended.
11. the method for claim 7, when the mobile device is connected to the packet data switched network, the mobile device
It notifies the packet data switched network mobile device to hang up packet data exchanged Radio Link and handles any lower column circuits
Exchange event or combinations thereof:
Mobile device caller；
Mobile device is called；
Registration；And
Short message.
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| CN201610183576.5A CN105848307B (en) | 2013-03-29 | 2013-03-29 | Support the mixing apparatus and system of LTE and 3G communication standard |
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| CN201310109901.XA CN103152840B (en) | 2013-03-29 | 2013-03-29 | Support mixing apparatus and the system of LTE and 3G communication standard |
| CN201610183576.5A CN105848307B (en) | 2013-03-29 | 2013-03-29 | Support the mixing apparatus and system of LTE and 3G communication standard |
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| CN201310109901.XA Division CN103152840B (en) | 2013-03-29 | 2013-03-29 | Support mixing apparatus and the system of LTE and 3G communication standard |
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| CN201310109901.XA Active CN103152840B (en) | 2013-03-29 | 2013-03-29 | Support mixing apparatus and the system of LTE and 3G communication standard |
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| CN101820691A (en) * | 2009-02-27 | 2010-09-01 | 阿尔卡特朗讯 | The method and the mobile telephone terminal that can merge the telephone service on the heterogeneous network |
| CN102076045A (en) * | 2010-03-10 | 2011-05-25 | 美商威睿电通公司 | Device and method for fast selecting radio access technology (rat) |
| CN102083147A (en) * | 2010-01-07 | 2011-06-01 | 美商威睿电通公司 | Apparatus for notifying of a circuit switched event over a packetized data network and method thereof |
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| KR100975740B1 (en) * | 2007-03-23 | 2010-08-12 | 삼성전자주식회사 | Mehtod and apparatus for handover in a heterogeneous wireless communication system |
| EP2638753B1 (en) * | 2010-11-12 | 2014-08-06 | Telefonaktiebolaget LM Ericsson (PUBL) | Packet switched to circuit switched access handovers in an ims architecture |
| US8725145B2 (en) * | 2011-01-25 | 2014-05-13 | Qualcomm Incorporated | Mobile device requests of non-communication time periods to a wireless communication network |
| CN102177737A (en) * | 2011-04-19 | 2011-09-07 | 华为技术有限公司 | Method and system for processing circuit switched fallback service, mobility management entity and user equipment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820691A (en) * | 2009-02-27 | 2010-09-01 | 阿尔卡特朗讯 | The method and the mobile telephone terminal that can merge the telephone service on the heterogeneous network |
| CN102083147A (en) * | 2010-01-07 | 2011-06-01 | 美商威睿电通公司 | Apparatus for notifying of a circuit switched event over a packetized data network and method thereof |
| CN102076045A (en) * | 2010-03-10 | 2011-05-25 | 美商威睿电通公司 | Device and method for fast selecting radio access technology (rat) |
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| CN103152840B (en) | 2016-04-27 |
| CN103152840A (en) | 2013-06-12 |
| CN105848307A (en) | 2016-08-10 |
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