CN103152840A - Mixing device and system supporting LTE (Long Term Evolution) and 3G (3rd Generation) communication standards - Google Patents
Mixing device and system supporting LTE (Long Term Evolution) and 3G (3rd Generation) communication standards Download PDFInfo
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- CN103152840A CN103152840A CN201310109901XA CN201310109901A CN103152840A CN 103152840 A CN103152840 A CN 103152840A CN 201310109901X A CN201310109901X A CN 201310109901XA CN 201310109901 A CN201310109901 A CN 201310109901A CN 103152840 A CN103152840 A CN 103152840A
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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 invention provides a mobile device for providing notices of circuit switching events. The mobile device comprises a circuit switching modem, a grouped data switching modem and an antenna, wherein the circuit switching modem is used for transferring circuit switching data through a circuit switching network; the grouped data switching modem is used for transferring grouped switching data through a grouped data switching network; and the antenna is used for being connected to the circuit switching network through a circuit switching wireless link and being connected to the grouped data switching network through a grouped data switching wireless link, wherein the antenna comprises one transmitter and two receivers.
Description
Invention field
The present invention relates generally to world of cellular telecommunications, be specifically related to the mechanism of executive circuit exchange feedback in single antenna bimodulus cellular system.
Background technology
At present, cellular telephone industry is just experiencing exponential type and is increasing, and this growth is not only in a country, but mondial.In fact, well-known, in the U.S., the adult population greater than 20 percent does not even have traditional line phones.Except these do not have the people of black phone, in the crowd of black phone was arranged, the adult population near 90 percent had radio telephone.
And in the coverage of traditional circuit phone, cellular use is also increasing.In fact, now average every seven adults only use a cell phone.On the contrary, in the past, cell phone is to use when having circuit available, or in case of emergency uses, than between low carrier rate, family's set meal payment and mobile phone or phenomenal growth that between friend, the sales promotion of no-charge call has facilitated cell phone to use.Now, come into any public place or mechanism, most people has been very common using cell phone to exchange.
Just can use mobile phone or travelling carriage to communicate from the middle of last century.Yet, in generation nineteen ninety, so-called " 2G " or second generation mobile telephone system having been proposed, it has started equipment that we enjoy today and the growth of use.These at initial stage system surpassingly provide in many ways between reliability services and the route of audio call.And, as the skilled person will understand, in order to keep service quality, have a plurality of sequential that are associated with the sending and receiving of speech data and potential request.Such as, the circuit switched voice link is in this service quality of guarantee.
Although the wireless cellular network technology has continued the improvement that provides relevant with the ability of conduct voice calls,, also there is the great demand to reliable and effective transmitting grouped data in the sector.Therefore, the development of speech network that do not invariably accompany of the extra development in high-speed grouped data network.A target in the industry is that a more unified solution that can provide reliable voice that the high data rate access can be provided again is provided.Therefore, common practice is that a kind of mobile system is set, it is at a kind of circuit-switched network, CDMA20001xRTT for example, on voice communication is provided, and at another kind of network, for example LTE, on carry out high data rate communication, this another kind of network only provides the data of grouping that the service quality of the support voice communication that the user prefers is not provided.In the near future, the solution of these mixing will be popular in this area.
For this hybrid system is set, the designer focuses on the example development agreement that causes this class of network request interoperability of conflict or two or more common deployment for the network of two or more common deployment.
The present invention processes a this example of class, namely in the switching of the high data rate network that block data communication only is provided to circuit-switched voice network, in order to process calling and incoming call or exhalation or other circuit switching event, and, more particularly, use by grouped data " tunnel " and (tunnel) set up circuit switching notice bridge, in order to these notices are sent to the mutual solution in rear end of travelling carriage, how current this switching can be affected.
Specifically, be to fall back to circuit-switched network in order to process incoming call or exhalation and the agreement that exists in the high data rate session.A lot of current technology are deferred to the form of " setting up the tunnel ", and the notification data that wherein is associated with calling is encapsulated in the cocommutative data unit sequence of packet data network.And the present inventor notices needs specialized hardware and program in whole framework, in order to this ability is provided.
Therefore, can access or provide the technology of the notice of circuit switching event in the time of need to a kind ofly allowing travelling carriage to communicate on packet data network, wherein need message and the corresponding back-end hardware/software of path.
Summary of the invention
The present invention is intended to solve above-mentioned and other problem, the shortcomings and limitations of prior art.The invention provides the notice that an a kind of mobile device is used for providing the circuit switching event, this mobile device comprises the circuit switching modulator-demodulator, packet data exchanged modulator-demodulator and antenna.The circuit switching modulator-demodulator is used for by circuit-switched network transmission circuit swap data.The packet data exchanged modulator-demodulator is used for by the packet data switched network transmitting packet switched data.And antenna, be used for being connected to this circuit-switched network by the circuit switching Radio Link, be connected to this packet data switched network by the packet data exchanged Radio Link, wherein this antenna comprises a transmitter and two receivers.
One aspect of the present invention relates to a packet data network, is connected to the notice that a mobile device is used for providing the circuit switching event, and this packet data network comprises the base station, mobile management unit and gateway.The base station connects this mobile device, and being used for provides the packet data radio link to this mobile device.Mobile management unit is connected to this base station.And gateway, be connected to this mobile management unit, be used for providing grouped data, wherein this mobile device comprises a transmitter and two receivers, this mobile device is connected to a circuit-switched network.
Another aspect of the present invention relates to a method, is used for the notice that mobile device provides the circuit switching event, and this mobile device comprises by circuit-switched network transmission circuit swap data; By the packet data switched network transmitting packet switched data; And by an antenna, be connected to this circuit-switched network by the circuit switching Radio Link, and be connected to this packet data switched network by the packet data exchanged Radio Link, wherein this antenna comprises a transmitter and two receivers.
Another aspect of the present invention relates to a method, be used for a packet data network, this packet data network is connected to the notice that a mobile device is used for providing the circuit switching event, this packet data network comprises: connect the base station to this mobile device, be used for providing the packet data radio link to this mobile device; Connect mobile management unit to this base station; And this mobile management unit of Connection Service gateway, be used for providing grouped data, wherein this mobile device comprises a transmitter and two receivers, this mobile device is connected to a circuit-switched network.
Therefore, the invention provides a kind of the needs network terminal is made more improvement, reduce simultaneously cost and the power consumption of terminal, connect the apparatus and method that LTE communicates by letter with 3G.
Description of drawings
Below with reference to accompanying drawings these and other target of the present invention, Characteristics and advantages are described, in the accompanying drawings:
Fig. 1 is the block diagram that existing single antenna bimodulus cellular architecture is shown;
Fig. 2 illustrates according to bimodulus cellular architecture block diagram of the present invention;
Fig. 3 is the flow chart that illustrates according to the powering method of single antenna bimodulus cellular mobile equipment of the present invention, and this flow process can be used in the framework of Fig. 2;
Fig. 4 is the flow chart that illustrates according to single antenna mode mobile terminal beginning call method in CDMA20001x of the present invention, and this flow process can be used in the framework of Fig. 2; And
Fig. 5 is the flow chart that single antenna mode mobile terminal frequency according to the present invention connects back the method for LTE, and this flow process can be used in the framework of Fig. 2.
Embodiment
Referring now to accompanying drawing, a plurality of embodiment are described, wherein with identical Reference numeral indication similar elements herein.In the following description, for ease of explaining, a large amount of details have been provided, in order to the complete understanding to one or more embodiment is provided.Yet, clearly, also can realize described embodiment without these details.In other example, with the block diagram form, known features and equipment are shown, so that describe one or more embodiment.
The application's various aspects have hereinafter been described in addition.The disclosure that should be appreciated that this paper can realize with various ways, and any ad hoc structure disclosed herein and/or function are only illustrative.In light of the disclosure herein, those of ordinary skill in the art should be appreciated that aspect disclosed herein can be independent of any other side and realize, and can make up in various manners these aspects two or more.For example, use the aspect of any amount that this paper sets forth can implement device or can implementation method.In addition, use other structure, function or the 26S Proteasome Structure and Function except one or more aspects that this paper sets forth or be different from the 26S Proteasome Structure and Function of one or more aspects that this paper sets forth, can realize this kind device or realize the method.
With reference to the discussion of above-mentioned background technology about CDMA2000, wireless access mutual and use in associated system provide the 1xRTT circuit switching to notify travelling carriage or from the signalling that travelling carriage the sends technology that is associated, describe the limitation that is associated with current mechanism in Fig. 1.Afterwards, with reference to Fig. 2-5, the present invention is described.The present invention does not need to use path and corresponding rear end equipment, jumps to move by frequency of utilization in travelling carriage the limitation that provides the technology that sends 1xRTT circuit notice signaling to solve current path technology is provided.
Fig. 1 shows current single antenna bimodulus cellular devices 100 by the block diagram of packet data radio link 109 to bimodulus travelling carriage 101 notice incoming call or other circuit switching event.Framework 100 comprises travelling carriage 101, travelling carriage 101 has circuit switching modulator-demodulator 102 and packet data modem 104, circuit switching modulator-demodulator 102 is used for the treatment of circuit-switched cellular, and packet data modem 104 is for the treatment of packet data application.Modulator- demodulator 102 and 104 is baseband modems, and shares an antenna 103, in order to carry out the signal transmission by packet data radio link 109 or circuit switching Radio Link 106.Thereby travelling carriage 101 is coupled by circuit switching Radio Link 106 and circuit-switched base station 107, and is coupled by packet data radio link 109 and grouped data base station 110.
Circuit-switched base station 107 is coupled with wireless switching center 114.Wireless switching center 114 is coupled with Network Node Interface 112.Network Node Interface 112 is coupled with grouping management unit PME116 by packet data link 115.114 pairs of wireless switching centers from or the calling and the event that mail to public phone exchanges network (public switched telephone network, PSTN) carry out route.Grouping management unit 116 is coupled with packet data exchanged center 118,118 pairs, packet data exchanged center from or mail to such as data and the event of the packet network of the Internet and carry out route.
In operation, the Circuit-switched calling on public phone exchanges network and event are routed to circuit-switched base station 107 by wireless switching center 114.All are all processed by the circuit switching modulator-demodulator 102 in travelling carriage 101 with control and business that the calling that occurs on circuit switching Radio Link 106 and other event are associated.Similarly, on the internet grouped data and event is routed to specific packet data mobile entity 116 with current grouping base station 110 interfaces of distributing to travelling carriage 101 by packet data exchanged center 118.All that are associated with grouped data or other event are controlled and business all occurs on packet data radio link 109, and are received by antenna 103, and are processed by the packet data modem 104 in travelling carriage 101.
The present invention be more particularly directed to the situation with current bimodulus structurally associated connection, example is exactly can be by such as the calling of the cdma wireless link 106 treatment circuits exchanges in code division multiple access (CDMA) 20001xRTT framework and other event and by process the single antenna bimodulus travelling carriage 101 of grouped datas and other event such as the packet data radio link 109 in general continental rise wireless access network (EUTRAN) framework of evolution.The EUTRAN framework is commonly referred to Long Term Evolution (LTE) framework, and also uses in this article this literary style.As those skilled in the art are accessible, CDMA20001xRTT circuit switching framework, perhaps " 1x " framework, well known in the art, for the treatment of circuit-switched call, as audio call, and the LTE framework worldwide is known as the metropolitan center that mainly is deployed in now, as replenishing of the block data communication ability of the EV-DO packet data network of current deployment.In addition, those skilled in the art will know that LTE is the network of being absorbed in grouped data.That is, LTE does not support such as the circuit-switched channel that is used for providing the legacy cellular voice calling.LTE does not provide the support of calling out being called the networking telephone (VoIP), but one skilled in the art will appreciate that the defective that is associated with current voip technology makes the possibility of the conventional VoIP of use in travelling carriage 101 very little.
The present invention can use example and the term in 1x and LTE application, because these two kinds of terms are all extensively approved and use.Yet, the present inventor notices that scope of the present invention is not limited to 1x and LTE, comprise such single antenna bimodulus cellular devices but expand to, namely use in Radio Link 109 one be used for that notice travelling carriage 101 is associated with circuit-switched link 106 have the sequential that is equal to circuit-switched application and incoming call audio call or other event of quality of service characteristics and requirement.
In concrete 1x and LTE term, travelling carriage 101 refers to subscriber equipment (user equipment, UE) 101.Grouping management unit 116 refers to mobile management unit (Mobility Management Entity, MME) 116, is the main access node of LTE network.Mobile management unit 116 interfaces are to a plurality of grouped datas base stations 110, and grouped data base station 110 is also referred to as enode b (eNB) 110.Network Node Interface 112 is S102 interfaces 112, perhaps normally intercommunication solution (IWS) 112.Intercommunication solution (IWS) 112 is responsible for carrying out alternately such as circuit-switched network and the LTE network of 1x by tunnel (tunneling) mechanism.Packet data radio link 109 is called LTE-Uu interface 109.Therefore, when grouped data sends to travelling carriage 101 by packet data network, for the purposes of the present invention, the circuit switching element 102,107,112 shown in framework 100 is idle condition, and antenna 103 is used for communicating by packet data link 109.Grouped data be by packet data exchanged center 118 be routed to the Internet or from interconnection path by out, through packet data mobile entity 116, process grouped data base station 110, and the grouped data that arrives on packet data radio link 109 in travelling carriage 101 is adjusted demodulator 104 or sends out from grouped data adjustment demodulator 104.
But, move the circuit switching event of platform 101 when target bit, for example call out, when coming in switched wireless center line 114, must must stop as early as possible processing grouped data by packet data radio link notice travelling carriage 101, and fall back to circuit switching Radio Link 106, in order to continue next step, namely accept this calling.Yet because circuit switched protocol and packet data protocol are not reciprocity, the designer is devoted to provide technology and the scheme that allows this notice to occur.A kind of this class technology of using in the 1x/LTE environment is the tunnel of setting up mentioned above, circuit switched data (TCSDATA) 121 by the tunnel provides notice, confirms and negotiates with the circuit switching parameter that calling is accepted to be associated, and fall back to circuit switching Radio Link 106 and be encapsulated in the lower layer data grouping 120 that sends on packet data network and transmit as data division, these links comprise link 115,119,109.In addition, Circuit-switched notification data 121 usage data groupings 120 are as path, by the Circuit-switched parameter of this tunnel sending/receiving.
Tunnel protocol is defined in E-UTRAN – cdma20001x Connectivity and Interworking Air Interface Specification, Version2.0, April2011, C.S0097-0, published by the 3
rdGeneration Partnership Project2 (3GPP2) (be after this " the ' 0097Specification); this agreement has been introduced the circuit switching fall-back of single antenna travelling carriage machine-processed to 1x, is found in Circuit Switched (CS) Fallback in Evolved Packet System (EPS); Stage2, Version10.2.1,2013-01-04, TS23.272published by3GPP2 (be after this " the ' 272Specification)
Internet interface 112 is rear end equipment elements that specific purpose is installed, and it realizes the interface between wireless switching center 114 and packet data mobile entity 116, and the great majority of being responsible for being associated with the tunnel of setting up circuit switched data 121 are processed.Path grouping 120 is by mobile entity 116 and base station 110 route on link 115,119,109, but the only processing of 101,112 places requirement data 121 in the rear end.With reference to current circuit-switched network such as 1xRTT, existing in a large number must be by the configuration information of back-end processing to guarantee service quality of circuit switching event.In 1x, the protocol layer of processing these information is link access control (LAC) layer.Packet data modem 104 and grouped data base station 110 also comprise LAC treatment element (not shown), in order to support the layer border communication by packet data network.Yet, for the notice of circuit-switched call and other event is provided by packet data network, all need LAC (TLAC) the layer treatment element in tunnel in internet interface 112 and packet data modem 104.Therefore, packet data modem 104 comprises TLAC processor 105, and internet interface 112 comprises TLAC processor 113.These processors 105,113 hereinafter will be described, processor 105,113 is carried out respectively the LAC layer that requires in packet data modem 104 and internet interface 112 and is processed, in order to the notice of circuit-switched call and other event is provided by packet data network.Certainly, because the basic goal of internet interface 112 is that circuit-switched network is connected to packet data network, so it must process LAC layer information subsequently.In fact, the sole purpose of internet interface 112 is that the path of circuit switched data is provided by packet data network.
Those skilled in the art will find, the hardware and software that is associated with path information about the circuit-switched call on packet data network and event is limited and is trouble.Require special equipment, for example, internet interface 112 by the grouped data path, Circuit-Switched Data link arrive travelling carriage 101, and therefore, the present inventor is observed the reliability that these equipment have increased power consumption and reduced communication system integral body.
In existing communication construction, commonly two kinds of 1x and LTE hybrid solution.The first is exactly simultaneous voice LTE(Simultaneous Voice and LTE Long Term Evolution, SV-LTE), this is a kind of protocol and standard that can make mobile phone use simultaneously the voice-and-data business.Particularly, when speech network is CDMA20001xRTT, data network is LTE(4G) network.In the subscriber equipment of simultaneous voice LTE, two cover transmitter and receivers are equipped with, that is to say, two cover transmitters and receiver independently are arranged in a user terminal.The user can be connected to LTE network and CDMA20001x network simultaneously.Owing to being two cover receive-transmit systems, the those of ordinary skill in this field is appreciated that two cover baseband processor to be arranged corresponding to two cover receive-transmit systems.In this solution, the LTE network provides data service, and 1x provides speech business, only needs user terminal to carry out adaptive Revision and supplement.For LTE network and 1x network, this scheme without any need for modification and the increase of any element, no matter be on equipment or the agreement aspect.Therefore therefore, do not need network support not need excuse between 1x and LTE yet.But the shortcoming of this scheme is to need two to overlap independently receive-transmit system, has therefore caused cost and the power will be far away higher than common user terminal.
Another kind of solution is circuit switching fall-back (CSFB, Circuit Switch Fall Back), perhaps evolved circuit switching fall-back.In this solution, only need cover transmitter and a receiver, also referred to as single antenna or single antenna.LTE compares with voice synchronous, and this scheme needs the network interface support, for example the S-102 interface.LTE only provides data, services, when the user initiates or receives the calling of 1x network, sends a notice by the s-102 interface to subscriber equipment, makes subscriber equipment switch back to circuit commutative field and processes this calling.This scheme needs the support of network terminal and the network interface between 1x and LTE.No matter shortcoming is to switch back the LTE network after answering call or end of calling, the reaction speed of subscriber equipment is lower.
The present invention is by providing the transmission and reception circuit switching technology to overcome above-mentioned and other problem in the bimodulus single antenna mobile terminal.This technology of full implementation in travelling carriage, thus demand to internet interface 112 alleviated.The below describes the present invention with reference to Fig. 2-5.
Fig. 2 has set forth the system block diagram of a single antenna bimodulus cellular devices 200 according to one embodiment of the invention.Similar to device 100 in Fig. 1, according to the solution of the present invention, device 200 uses single antenna bimodulus travelling carriage 201 to complete sending and receiving by packet data radio link 209 and circuit switching Radio Link 206.Single antenna bimodulus cellular devices 200 is for calling or other circuit switching event notice bimodulus travelling carriages 201 that will receive, and the frequency channel digging technology of discussing before not needing to use.
In one embodiment of the invention, single antenna is different from the single antenna in circuit switching fall-back mentioned above.Herein, single antenna comprises a transmitter and two receivers.A transmitter is shared by LTE network and 1x network, and two receivers are distributed to respectively LTE network and 1x network, makes user terminal to receive the business service while of LTE at the beep-page message of the second radio frequency unit reception CDMA20001x at the first radio frequency unit.Certainly some the time, two receivers can all be distributed to LTE network or 1x network, this depends on user's setting.In some cases, when two receivers were all distributed to the LTE network, the beep-page message of 1x network may be missed or abandon.
In the double reception pattern, can two receivers while bearer data transmission business, because data transmission service needs two links of uplink and downlink, not too can use at the wireless terminal of single reflector hardly.Yet, a receiver capture-data, it is very general that another reception area is monitored this way of beep-page message.The person skilled in art is appreciated that, the priority of monitoring the message of 1x control channel will be higher than the data of LTE network.Because often audio call is more important than business service, be acceptable so the transmission performance of part LTE beep-page message is degenerated.
The frequency jumping technology of moving that the present invention uses can realize identical function and need to not increase special rear end equipment supports at Network Node Interface 112.Device 200 comprises travelling carriage 201, and travelling carriage 201 comprises the circuit switching modulator-demodulator 202 of using for the treatment of circuit-switched cellular, and for the treatment of the packet data modem 204 of packet data application.Modulator-demodulator 202, the 204th, baseband modem is shared a single antenna 203, this single antenna 203 is used for the signal of transmitting grouped data Radio Link 209 or circuit switching Radio Link 206. and travelling carriage 201 is used for being connected to a circuit-switched base station 207 by circuit switching Radio Link 206, and is connected to a grouped data base station 210. by packet data radio link 209
circuit-switched base station 207 is connected to wireless switching center 214. and compares with the device 100 in Fig. 1, the present invention does not need Network Node Interface 112. wireless switching centers 214 by public phone exchanges network (public switched telephone network, PSTN) route (route) is called out and event. for the sending and receiving grouped data, grouping management unit 216 (packetized management entity, PME) be connected to a packet data exchanged center 118(packetized data switching center, PDSC), and by packet data network for example internet route data and event.
In operation, circuit-switched call is called out with event by wireless switching center 214 routes (route) by public phone exchanges network (PSTN) with event and is processed by the circuit switching modulator-demodulator 202 in travelling carriage 201 to circuit-switched base station 207. all controls relevant with the calling that occurs in circuit switching Radio Link 206 or other events and business.Similar, occur in the grouped data of internet and event and be routed to a grouping management unit 216 by packet data exchanged center 218, grouping management unit 216 has interface to be connected to just to distribute to travelling carriage 201 grouping base station 210. all with occur in packet data radio link 209 and processed by the packet data modem 204 in travelling carriage 201 by calling or relevant control and the business of other events that antenna 203 receives.
one embodiment of the present of invention can be used in some specifically existing dual mode system configuration surroundings, for example single antenna bimodulus travelling carriage 201 can be in the circuit-switched call of cdma wireless link processing and other events, this cdma wireless link is found in the CDMA20001xRTT system, process grouped data and other events by packet data radio link 209 simultaneously, this packet data link is found in general continental rise wireless access network (the Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network of evolution, EUTRAN), Long Term Evolution communication technology LTE for example.Although that discussed herein is 1X and LTE, the inventor notices other data protocols or other communication technologys that the present invention also can be applicable to know.Certainly, the inventor notices that category of the present invention should not only limit to 1x and LTE, and can be applied to when receiving the calling relevant with circuit-switched link 206 or other events, use Radio Link 209 notice travelling carriages 201, the event of these callings or other events and quality requirement only are directed to circuit-switched application.
Grouping management unit 216 is connected with a plurality of grouped datas base station 210, wherein grouped data by 209 exchanges of packet data radio link, in this application, is installed the circuit switching module 202 that shows in 200,207,214 are grouped at antenna 203 and are in idle condition when data link 209 takies.Grouped data 218 is routed to the internet by grouping management unit 216 from the packet data exchanged center, perhaps be routed to packet data exchanged center 218 from the internet, and by packet data radio link 209 from/to the base band packet data modem 204. in travelling carriage 201
Compare with existing device 100, when a circuit switching notice request, include but not limited to, the registration request that for example produces when travelling carriage 201 sends a calling, perhaps after receiving a calling, travelling carriage 201 wants end call, jump by the frequency of the circuit switched operation on packet data radio link 209 completing circuit exchange Radio Links 206 according to the present invention and move technology, will describe in detail following.
In one embodiment, jump to frequency of grouped data base station 210 transmissions and move message, be used for travelling carriage 201 from the time synchronized disengaging (absence) of packet data radio link 209.In another embodiment, synchronizing frequency is jumped the power saving dormancy of travelling carriage 201 in shift time and 1X and is waken up consistent.Travelling carriage 201 comprises a frequency jumping shift controller 220, be used for carrying out the synchronous of time reference at packet data network and circuit-switched network, exchange modulator-demodulator 202 and base band packet data modem 204 by baseband circuit, the execution frequency is jumped shift time and is arranged and process the frequency jumping and move request message and reply.
Fig. 3 has set forth a method flow diagram that single antenna bimodulus cellular devices powers on according to one embodiment of the invention, and the method can be applied in the described structure of Fig. 2.In step 201, mobile terminal powers on, in step 303, and mobile terminal is selected (MMSS, multimode system selection) search 1x network and registers according to multimode system, and multimode system is selected by user and operator's definition.In step 305, mobile terminal to search LTE network is also registered.Complete the access of 1x network and LTE network at mobile terminal after.Mobile terminal enters idle turntable and Waiting for Call or other times.Herein, mobile terminal is to register separately/be linked into wireless access network.In one embodiment, higher priority is enjoyed in the access of 1x network.
Fig. 4 has set forth the flow chart of double reception single antenna mobile terminal caller according to one embodiment of the invention, the method can be applied in the described structure of Fig. 2.
In step 1, mobile terminal or be general continental rise wireless access network (the evolved universal terrestrial radio access network of the evolution that subscriber equipment is connected to LTE, E-UTRAN), connect enrollment process with reference to figure 3, certainly, user terminal has been connected to 1x RTT circuit domain.
In step 2, it is movable that mobile terminal determines whether to carry out 1x RTT, as the 1xRTT paging request that response is received, initiates the mobile terminal caller, carries out the orientation management signaling or again register.These decisions can be determined by user or user terminal.
In step 3, mobile terminal sends an expansion service request (Extended Service Request) to mobile management unit, and the expansion service request is a kind of circuit switching fall-back indication.What show in figure is that mobile terminal is in active state at LTE, and certain this situation is equally applicable to mobile terminal and is in the situation of idle condition at LTE.
In step 4, mobile management unit sends the S1-AP message that comprises the circuit switching fall-back indication and informs that the LTE mobile terminal will switch back to 1xRTT.
In step 5, E-UTRAN triggers Radio Resource and controls (raido resource control) release connection and carry out step 6, and E-UTRAN does not comprise that any directional information again is to user terminal.
At step6.E-UTRAN sends an S1UE Context Release Request (Cause) message to the MME.Cause indicates that the S1UE Context Release was caused by CS fallback to1xRTT. is in step 6, E-UTRAN sends a S1 content user terminal releasing request (S1UE Context Release Request, Cause) message is to mobile management unit, and S1 content user terminal releasing request represents to indicate the exchange of S1 content user terminal release circuit to fall back to 1xRTT.
In step 7, mobile management unit sends content user terminal to suspended state and sends one hangs up request message to gateway, require evolved packet system (EPS, Evolved Packet System) carrier wave is hung up, evolved packet system comprises enode b, mobile management unit and gateway.Gateway is born the business transmission.The S1-U carrier wave of all evolved packet system carrier waves is discharged by mobile management unit.All GBR carrier waves are made as non-active.S1-U is the interface between EUTRAN and mobile management unit.All GBR carrier wave reservations also are labeled as hang-up in gateway.
In step 8, request message is hung up in the gateway confirmation and the mark mobile terminal is hang-up, is that when mobile terminal was labeled as hang-up, gateway did not send downlink data notification message to mobile management unit when downlink data arrives gateway.
In step 9, the S1 content user terminal of E-UTRAN discharges.
Fig. 5 sets forth according to one embodiment of the invention the flow chart 500 that the double reception mobile terminal turns back to LTE, and the method can be applied in the described structure of Fig. 2.
In step 1, user terminal sends a NAS message, for example service request or tracing section updating (Tracking Area Update, TAU)
In step 2, when content user terminal in mobile management unit represented that user terminal is suspended state, request message is restarted in one of mobile management unit transmission, and for example IMSI was to gateway, and requirement reconnects to the carrier wave of evolved packet system.
In step 3, gateway confirms to restart the suspended state of asking and empty mobile terminal.
In step 4, process NAS message.
In one embodiment of the invention, when being in idle condition with communicating by letter of LTE, mode mobile terminal is monitored paging time-slot or the calling time of each access technology.When being connected to LTE and communicating, mobile terminal uses second radio frequency unit monitoring 1x paging time-slot.When 1x does not respond, there is no the paging pairing.Mobile terminal can be distributed to LTE with the second radio frequency unit.When 1x responded, mobile terminal can carry out the described calling procedure of Fig. 4.
Be appreciated that when replying the 1x calling, have replenishing of some processing LTE connections, wherein 1x calls out and comprises mobile terminal caller and called, registers short message or the data burst relevant with other application.When LTE was in idle condition, mobile terminal did not need to notify the LTE system terminal will switch to the 1x processing 1x of system calling.When LTE was in connection status, mobile terminal need to notify the LTE terminal will switch to the 1x calling and LTE connects and will be suspended.In 1x calls out, the LTE module of mobile terminal will enter into power saving mode when user terminal.
Should be appreciated that these all similar terms are relevant to suitable physical quantity, and just use the appropriate label of these physics reasons.Unless special explanation, or significantly discuss, " processing ", " estimation ", " calculating ", " judgement " or similar terms such as " demonstrations ", action and the processing of a computer system that refers to, a microprocessor, a CPU or similar computing electronics, the register of its operation computer system and physical quantity, the electric weight in memory are in order to convert other data similar to physical quantity in computer system memory, register or other storage device, conveyer or display unit to.
In addition, software realization mode of the present invention is general at program storage media or the coding on other kenel transfer medium.Program storage media may be electronic component (as read-only memory, flash ROM, EPROM), random access memory (floppy disk or hard disk) or optics (as a read-only optical disc (CD-ROM)), and may can only be read or arbitrary access.Similarly, transmission medium may be metal wire, twisted-pair feeder, coaxial cable, optical fiber, or some other existing transmission mediums.The present invention is not defined in these areas.
Although the present invention discloses as above with preferred embodiment; so it is not to limit the present invention; those skilled in the art can do some changes and retouching under the premise without departing from the spirit and scope of the present invention, so protection scope of the present invention is to be as the criterion with claim of the present invention.
Claims (26)
1. a mobile device is used for providing the notice of circuit switching event, and this mobile device comprises:
The circuit switching modulator-demodulator is used for by circuit-switched network transmission circuit swap data;
The packet data exchanged modulator-demodulator is used for by the packet data switched network transmitting packet switched data; And
Antenna is used for being connected to this circuit-switched network by the circuit switching Radio Link, is connected to this packet data switched network by the packet data exchanged Radio Link,
Wherein this antenna comprises a transmitter and two receivers.
2. mobile device as claimed in claim 1, wherein at least one this receiver is connected to this circuit switching modulator-demodulator, and this transmitter is connected to this circuit switching modulator-demodulator and this packet data exchanged modulator-demodulator simultaneously.
3. mobile device as claimed in claim 1, wherein when this mobile device powers on, this mobile device this circuit-switched network of search and register to this circuit-switched network before this packet data network of search.
4. mobile device as claimed in claim 1, wherein this mobile device when receiving at least one following circuit switching event, sends an expansion service request:
The circuit-switched network of new access;
Beep-page message;
Calling by the mobile device initiation;
The orientation management soul; And
Re-registration.
5. mobile device as claimed in claim 1, wherein this packet data network triggers this packet data radio link release connection.
6. mobile device as claimed in claim 1, comprising more that this mobile device connects gets back to this packet data network, this mobile device sends a message to this packet data network, when in the list of this mobile device at this packet data network, this packet data network sends one restarts connection request and distributes this packet data radio link to this mobile device, and wherein this list represents that this mobile terminal is suspended.
7. mobile device as claimed in claim 1, when this mobile device is connected to this packet data network, arbitrary following circuit switching event or its combination are hung up and processed to this mobile device of this packet data network of this mobile device notification with the packet data radio link:
The mobile device caller;
Mobile device is called;
Registration; And
Short message.
8. a packet data network, be connected to the notice that a mobile device is used for providing the circuit switching event, and this packet data network comprises:
The base station connects this mobile device, and being used for provides the packet data radio link to this mobile device;
Mobile management unit is connected to this base station; And
Gateway is connected to this mobile management unit, is used for providing grouped data,
Wherein this mobile device comprises a transmitter and two receivers, and this mobile device is connected to a circuit-switched network.
Packet data network as claimed in claim 8, wherein at least one receiver is distributed to a circuit switching Radio Link, when this mobile device powered on, this mobile device was searched for this circuit-switched network and registers to this circuit-switched network before this packet data network of search.
9. packet data network as claimed in claim 8, wherein this packet data network receives an expansion service request and triggers this packet data radio link release connection from this mobile device.
10. packet data network as claimed in claim 8, wherein this mobile management unit sends circuit switching fall-back indication and informs that this mobile device of this base station is connected to this circuit-switched network.
11. packet data network as claimed in claim 8, wherein this base station triggers discharges this packet data radio link, and sends a content releasing request to this mobile management unit.
12. packet data network as claimed in claim 11, wherein this mobile management unit sends a mobile device content according to this content releasing request, and sends this gateway releasing request.
13. packet data network as claimed in claim 8, wherein this gateway is confirmed this this releasing request, discharges carrier wave that should mobile terminal and this mobile terminal is labeled as hang-up.
14. a method is used for the notice that mobile device provides the circuit switching event, this mobile device comprises:
By circuit-switched network transmission circuit swap data;
By the packet data switched network transmitting packet switched data; And
By an antenna, be connected to this circuit-switched network by the circuit switching Radio Link, be connected to this packet data switched network by the packet data exchanged Radio Link, wherein this antenna comprises a transmitter and two receivers.
15. method as claimed in claim 14, wherein at least one this receiver is connected to this circuit switching modulator-demodulator, and this transmitter is connected to this circuit switching modulator-demodulator and this packet data exchanged modulator-demodulator simultaneously.
16. method as claimed in claim 14, wherein when this mobile device powered on, this mobile device was searched for this circuit-switched network and registers to this circuit-switched network before this packet data network of search.
17. method as claimed in claim 14, wherein this mobile device when receiving at least one following circuit switching event, sends an expansion service request:
The circuit-switched network of new access;
Beep-page message;
Calling by the mobile device initiation;
The orientation management soul; And
Re-registration.
18. method as claimed in claim 14, comprising more that this mobile device connects gets back to this packet data network, this mobile device sends a message to this packet data network, when in the list of this mobile device at this packet data network, this packet data network sends one restarts connection request and distributes this packet data radio link to this mobile device, and wherein this list represents that this mobile terminal is suspended.
19. method as claimed in claim 14, when this mobile device is connected to this packet data network, arbitrary following circuit switching event or its combination are hung up and processed to this mobile device of this packet data network of this mobile device notification with the packet data radio link:
The mobile device caller;
Mobile device is called;
Registration; And
Short message.
20. a method is used for a packet data network, this packet data network is connected to the notice that a mobile device is used for providing the circuit switching event, and this packet data network comprises:
Connect the base station to this mobile device, be used for providing the packet data radio link to this mobile device;
Connect mobile management unit to this base station; And
This mobile management unit of Connection Service gateway is used for providing grouped data,
Wherein this mobile device comprises a transmitter and two receivers, and this mobile device is connected to a circuit-switched network.
21. the described method of claim 20, wherein at least one receiver is distributed to a circuit switching Radio Link, when this mobile device powered on, this mobile device was searched for this circuit-switched network and registers to this circuit-switched network before this packet data network of search.
22. method as claimed in claim 20 more comprises from this mobile device receiving an expansion service request and triggering this packet data radio link release connection.
23. method as claimed in claim 20 comprises that more sending a circuit switching fall-back indication informs that this mobile device of this base station is connected to this circuit-switched network.
24. method as claimed in claim 20 more comprises triggering discharging this packet data radio link, and sends a content releasing request to this mobile management unit.
25. method as claimed in claim 24, wherein this mobile management unit sends a mobile device content according to this content releasing request, and sends this gateway releasing request.
26. method as claimed in claim 25, wherein this gateway is confirmed this releasing request, discharges carrier wave that should mobile terminal and this mobile terminal is labeled as hang-up.
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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 |
| CN201310109901.XA CN103152840B (en) | 2013-03-29 | 2013-03-29 | Support mixing apparatus and the system of LTE and 3G communication standard |
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| CN108124317A (en) * | 2017-12-28 | 2018-06-05 | 厦门城联科技有限公司 | A kind of bimodulus single-antenna wireless group network system of embedded gateway |
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| CN105848307A (en) | 2016-08-10 |
| CN105848307B (en) | 2019-10-18 |
| CN103152840B (en) | 2016-04-27 |
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