CN104469748A - Service interruption recovery for multi-SIM mobile communication device - Google Patents
Service interruption recovery for multi-SIM mobile communication device Download PDFInfo
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- CN104469748A CN104469748A CN201310419100.3A CN201310419100A CN104469748A CN 104469748 A CN104469748 A CN 104469748A CN 201310419100 A CN201310419100 A CN 201310419100A CN 104469748 A CN104469748 A CN 104469748A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0241—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where no transmission is received, e.g. out of range of the transmitter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Embodiments of the invention include a method, a device and a system for recovering from a service interruption state in a mobile communication device. An acquisition database of a channel is maintained and identified. First and second acquisition database scanning may be performed to obtain respectively first and second updated service connections for first and second reservations. A determination about whether the first and second updated service connections are obtained can be made. The first and second acquisition database scanning is limited to channels identified in the acquisition database. In addition, deep sleep full service scanning can be executed in response to the determination that the first updated service connection and/or the second updated service connection are not obtained and the first and second acquisition database scanning are out of action, so as to obtain at least one of the first updated service connection and the second updated service connection.
Description
Technical field
Background technology
Saving electric power is very important problem in a mobile communication device, because mobile communications device is powered by limited battery resource usually.In order to save electric power, mobile communications device can periodically operate in low-power mode, and described pattern is usually called " for subsequent use " pattern.When operating in standby mode, radio communication device reduces power consumption by the electric power being disconnected to selected intraware.In addition, developed band slotted paging technology, wherein paging signal is sent to mobile communications device from base station in the paging time-slot through assigning, and described paging time-slot separates with predetermined time interval.Be retained in low power standby mode, to save battery electric power and not lose paging signal during allowing the time cycle of mobile communications device between continuous paging time-slot with slotted paging.
When the operate services of mobile communications device interrupts (OOS), radio communication device can not receive any service signal from base station.Service disruption condition can occur after loss of service after its initial power up or in the normal operation period at once.In either case, mobile communications device all can not operate in standby mode, because it is not known of when or find paging signal in which frequency band.But normal mobile communication device continues periodically search service signal in frequency and code space.But this search consumes a large amount of electric power, and exhausts the battery resource in mobile communications device rapidly.In addition, in a mobile communication device, the trial time that acquisition service spends again may double in some devices, because individually may attempt for each Subscriber Identity Module (SIM) in device recovering.
Summary of the invention
Various embodiment comprises and a kind ofly again obtains performance save the method for mode from service disruption recovering state of battery electric power simultaneously improving in some cases in multiple SIM mobile communications device.The acquisition database identifying at least one channel can be maintained in a mobile communication device.At least one channel described may correspond to the channel of previous use and at least one in pre-programmed channel that once obtained previously service connection in mobile communications device.And, can in response to determine the first current service connect for first subscribe not on and perform the first acquisition scan database with obtain for described first subscribe first through newly serving connection again.Can make whether connect through new service again about described first be obtain from described first the determination that scan database obtains.And, can in response to determine the second current service connect for second subscribe not on and perform the second acquisition scan database with obtain for described second subscribe second through newly serving connection again.Can make whether connect through new service again about described second be obtain from described second the determination that scan database obtains.Described first and second obtain database scanning is limited to the channel identified in described acquisition database.In addition, can connect through new service again in response to determining described first and/or described second connect through new service again and be not acquired and described first obtain scan database and described second and obtain scan database and do not performing sound sleep full service scanning and be connected at least one with described second in newly service is again connected to obtain described first through new service more on.
In one embodiment, described first acquisition scan database, described second acquisition scan database and described sound sleep full service scanning are continuous print.And described first obtains scan database, described second obtains scan database and described sound sleep full service scanning and can be staggered with conflicting between avoiding described first to subscribe subscribing with described second together.
In one embodiment, can in response to determine current 3rd service connect for the 3rd subscribe not on and perform for the described 3rd subscribe the 3rd obtain scan database with obtain for the described 3rd subscribe the 3rd through newly serving connection again.Described 3rd obtains scan database also can be limited to the channel identified in described acquisition database.And, can not perform for the 3rd subscribe the 3rd obtain scan database, unless first obtains scan database and second and obtain scan database all not on.In addition, described first obtain scan database, described second obtain scan database, the described 3rd obtain scan database and described sound sleep full service scanning can be together staggered to avoid described first to subscribe, described second subscribe the conflict between subscribing with the described 3rd.
Other embodiment can comprise the mobile communications device with processor, and described processor can executive software instruction be configured to perform the various operations corresponding to method discussed above with processor.
Other embodiment can comprise mobile communications device, and it has the various devices for performing the function operated corresponding to method discussed above.
Other embodiment can comprise a kind of non-transitory processor readable memory medium, it stores processor executable, and described processor executable is configured to cause the processor of mobile communications device to perform the various operations corresponding to method discussed above operation.
Accompanying drawing explanation
Be incorporated to herein and the accompanying drawing forming the part of this specification illustrates one exemplary embodiment of the present invention, and together with general description given above and the detailed description that hereafter provides in order to explain feature of the present invention.
Fig. 1 is the communication system block diagram being suitable for the network used together with various embodiment.
Fig. 2 is the block component diagram of the many SIM mobile communications device being suitable for using together with various embodiment.
Fig. 3 is the signaling sequence figure that the communication activity being scattered with power savings mode operation in embodiment mobile communications device is described.
Fig. 4 A is the signaling sequence figure of the not coordinated power savings mode operation that two SIM reservations on many SIM mobile communications device are described.
Fig. 4 B is the signaling sequence figure that the power savings mode operation that two SIM coordinated according to the embodiment implemented on many SIM mobile communications device subscribe is described.
Fig. 5 is the component drawings of the example mobile communications device being suitable for using together with various embodiment.
Embodiment
Various embodiment will be described in detail referring to alterations.In any possibility part, will the identical reference numeral of graphic use be run through to refer to same or similar part.Be for illustration of property object to the reference of particular instance and embodiment, and be not intended to the scope of restriction the present invention or claims.
As used herein, term " mobile communications device " and " mobile communications device " use interchangeably to refer in following each any one or all: cell phone, smart mobile phone, individual or mobile multimedia player, personal digital assistant, laptop computer, personal computer, flat computer, intelligence books, palmtop computer, push mail receiver, there is the cell phone of Multimedia Internet function, wireless game controller, and comprise programmable processor and memory and the similar personal electronic device for the circuit that is connected to mobile communications network.Mobile communications device comprises at least two SIM card, and it makes user can be connected to a different mobile communications network (or the different accounts on consolidated network) by each SIM.Various embodiment mentioned in this article can be used in any electronic installation, and described electronic installation individually maintains one or more reservations to mobile communications network by least one radio frequency (RF) transceiver.
As used herein, term " SIM ", " SIM card " or " subscriber identification module " use to mean integrated circuit interchangeably, described integrated circuit can be embedded in self-mountable & dismountuble card or be incorporated in the memory of device, and described integrated circuit stores international mobile subscriber identity (IMSI), association key and/or the out of Memory in order to pass through to subscribe the wireless device identified and/or on checking network.Term SIM also can be used as described reservation and/or the shorthand reference of communication network that is associated with specific SIM, this makes wireless device can set up communication link with specific mobile communications network due to the information stored in the sim, and described specific mobile communications network is associated with particular subscription.Therefore, SIM, its reservation are relative to each other with communication network.
SIM in various embodiment can be Universal Integrated Circuit Card (UICC), it is configured with SIM and/or USIM application program, thus makes it possible to access global mobile communication system (GSM) and/or Universal Mobile Telecommunications System (UMTS) network.UICC also can provide the storage to telephone directory and other application program.Or in a cdma network, SIM can be UICC self-mountable & dismountuble subscriber identity module (R-UIM) or CDMA subscriber identity module (CSIM).Each SIM card can have CPU, ROM, RAM, EEPROM and I/O circuit.User account information can be contained for the SIM card in various embodiment, set that international mobile subscriber identity (IMSI), SIM application toolkit (SAT) are ordered, and for the memory space of phone book contact.The microprocessing unit (MCU) of baseband chip can with the MCU of SIM card alternately with from the SIM card retrieve data be installed in wireless device or SAT order.Can programme to mobile communications device immediately after mobile communications device is inserted in SIM card.Also can be used for the customized menus of personalized service with display to SIM card programming.SIM card can further store home PLMN (HPLMN) code to indicate SIM card Virtual network operator supplier.Integrated circuit card identity (ICCID) SIM sequence number is generally printed on the sim card for identification.
Generally speaking, various embodiment is provided for the method and system of the acquisition database in use mobile communications device from service disruption recovering state.In particular, the power consumption that various embodiment reduces realizes the service signal search of at least one SIM when service disruption state of operation in a mobile communication device.Technology be included in mobile communications device not in service and unidentified service signal time, mobile communications device is placed in " sound sleep " pattern.When operating in deep sleep modes, mobile communications device reduces power consumption by not search service signal.But radio communication device periodically enters wake-up period, during wake-up period, increase power consumption to perform service signal search in one or more frequency bands supported at mobile communications device.When signal search is unsuccessful, mobile communications device periodically turns back to deep sleep modes.
During wake-up period, mobile communications device application through design with the intelligent search technique with the power consumption positioning service signal efficiently reduced.Permit mobile communications device service of promptly restoring according to the search technique of various embodiment and preserve battery life simultaneously.For example, after entering wake-up period, mobile communications device can access and obtain database first to obtain search service signal on the passage of serving recently.The such search be limited to obtaining the passage identified in database is referred to as " acquisition scan database " in this article.If non-Resume service after one or more obtain scan database, the full range scanning of crossing over all passages so can be performed.
Full range scans the exhaustive searches that can relate to whole service band, and compared with acquisition scan database, can consume relatively a large amount of time and power resource.Restriction performs the number of times of full range scanning by reducing the time quantum that wakes up of mobile communications device to reduce the power consumption in mobile communications device.In addition, mobile communications device can be applied timer and control to perform the time obtaining scan database and full range scanning further.The number and the sequential that obtain scan database or full range scanning can stand through design to reduce power consumption and the regular collection of prolongation mobile communications device operation whereby.When mobile communications device leaves service coverage area within the relatively long time cycle, such as, when driving is through remote zone or when entering in large shielding building, these rules can save significant power.
But, there is following situation: loss of service within a small amount of time, again can obtaining the complete service to previously having subscribed afterwards.For example, when user enters in elevator, service disruption event can be there is on the mobile communications device of user.To be in elevator, along building period up or down, the scanning of a large amount of full range can be performed and obtain, the alternately sound sleep of timing and continuous time.When the door is open, again service is obtained immediately; But, if mobile communications device has entered in the sound sleep cycle extended as described above, so wake up at mobile communications device and has performed full range and scanned with before again obtaining service, a few minutes or long period may have been spent.Another example can relate to many SIM mobile communications devices with two reservations.When those subscribe in one enter on audio call time, another reservation may enter service disruption state.Therefore, once audio call subscribes termination at one on, another reservation of expection is promptly obtained service again with minimum power expenditure.Various embodiment is by alternately periodically full range scanning and acquisition scan database frequently solve these problems as described above.By frequently scanning the frequency at nearest Connection Service place, embodiment makes mobile communications device after usually betiding the service disruption situation in urban life (such as, entering elevator, tunnel, garage parking etc. due to user), immediately again can obtain service.Be limited to power efficiency obtain scan database by will frequently scan, provide in service acquisition this to improve and without the remarkable minimizing of battery life.
Various embodiment can be implemented in plurality of communication systems 100, and such as, at least two mobile communication networks, the example is illustrated in FIG.First mobile network 102 and the second mobile network 104 are for comprising the typical mobile network of multiple cellular basestation 130 and 140.First mobile communications device 110 communicates with the first mobile network 102 by connecting 132 to the honeycomb of the first base station 130.First mobile communications device 110 also communicates with the second mobile network 104 by connecting 142 to the honeycomb of the second base station 140.First base station 130 can communicate with the first mobile network 102 via connection 134.Second base station 140 can communicate with the second mobile network 104 via connection 144.
Second mobile communications device 120 can connect 132 and communicate with the first mobile network 102 similarly by the honeycomb to the first base station 130.Second mobile communications device 120 communicates with the second mobile network 104 by connecting 142 to the honeycomb of the second base station 140.Honeycomb is connected 132 and 142 and various mobile phone communications technology can be used to be undertaken by two-way wireless communication link.
Each mobile communications device 110,120 can once communicate with one or more base stations 130,140.When each mobile communications device 110,120 moves through district, it can use a series of soft handover and direct-cut operation to stop and the communicating and communication that is initial and another base station 140 an of base station 130 based on signal strength signal intensity or error rate.But when mobile communications device 110,120 just operates in service disruption situation, it may not receive service signal from any base station 130,140 in system 100.For example, when mobile communications device 110 is outside the service range of base station 130,140, or when it runs into the obstacle of temporary break to the access of the service from base station 130,140, it can loss of service.Or mobile communications device 110,120 can searching service upon power-up.
In order to from base station 130,140 retrieval service, mobile communications device 110,120 is repeatedly searched for will the service signal of operation.For example, mobile communications device 110 can send a series of service request to obtain service from the one in base station 130,140 multiple bringing hardy.Cross over all known frequency bands repeatedly to perform service signal search and can increase the power consumption in mobile communications device significantly and consume available battery resource.
As being hereafter described in more detail, when mobile communications device experience loss of service (that is, entering service disruption state), it can be placed in " sound sleep " pattern provisionally.When operating in deep sleep modes, mobile communications device supspends service signal search, and reduces power consumption by not searching for any service signal.In various embodiments, mobile communications device periodically can enter wake-up period, during wake-up period, increases power consumption so that executive signal search in one or more frequency bands supported at mobile communications device.If service signal search is unsuccessful, so device can turn back to deep sleep modes.
In various embodiments, during wake-up period, mobile communications device can be applied through design with the intelligent search technique with the power consumption positioning service signal reduced.For example, after entering wake-up period, first mobile communications device can perform one or more and obtain scan database with search service signal.The passage obtaining the database passage that can comprise prestrain and dynamically learn, such as, mobile communications device recently or previous receipt serve the passage at place.The passage of prestrain can comprise the passage set of being specified by ISP.The passage dynamically learned can be added based on history service activity by mobile communications device and upgrade.For example, if mobile communications device successfully obtains service in the past on special modality, so described passage can be added to and obtain database as the passage dynamically learned.
When search service signal, the priority of other frequency band can be better than at first to the passage of prestrain and the resident frequency band of the passage dynamically learned.In some cases, oneself passage accord priority of service institute can be obtained recently to mobile communications device.In particular, the last band group of serving place can be obtained to mobile communications device and give higher-priority.Use and obtain database, mobile communications device can make service signal search narrow based on static channel information and the history channel information dynamically added.In this way, search concentrates on and more may cause successfully reconnecting to bringing of service by mobile communications device at first.As mentioned above, result can be the power consumption compared with large search efficiency and reduction.
If it is unsuccessful at first to obtain scan database, so mobile communications device before reverting to deep sleep modes or performing full scan, can repeatedly repeat the more limited scanning of this form.As discussed above, full range scanning can relate to the exhaustive searches of the whole service band be associated with SIM.In addition, in a mobile communication device, each SIM can have the independent and/or different service band be associated with its technology.Therefore, perform the number of times of full range scanning by limiting each SIM, the power consumption in mobile communications device can reduce.In certain embodiments, mobile communications device can be applied timer and control to perform the time obtaining scan database and/or full range scanning further.Therefore, the number of the scanning of each type and sequential can stand through design to reduce power consumption and to extend the set of rule that mobile communications device operates and condition thus.
Fig. 2 is the functional block diagram of the mobile communications device 200 being suitable for implementing various embodiment.Mobile communications device 200 can comprise a SIM interface 202a, and its receivability and first subscribes the first identity module SIM-1204a be associated.Mobile communications device 200 can comprise the 2nd SIM interface 202b, and its receivability and second subscribes the second identity module SIM-2204b be associated.Various embodiment is not limited to many SIM device, and can implement in the mobile communications device with only single SIM and two or more SIM.
Mobile communications device 200 also comprises at least one controller, such as general processor 206, and it can be coupled to decoder/decoder (CODEC) 208.CODEC208 can be coupled to again loud speaker 210 and microphone 212.General processor 206 also can be coupled at least one memory 214.Memory 214 can be the non-transitory tangible computer readable memory medium of storage of processor executable instruction.For example, instruction can comprise to carry out route by corresponding base band-RF resource chain and subscribe relevant communication data to first or second.Memory 214 can storage operation system (OS) and user application software and executable instruction.Memory 214 also can store application data, such as array data structure.
General processor 206 and memory 214 can be coupled at least one baseband modem processor 216 separately.Each SIM (such as, SIM-1204a and SIM-2204b) in mobile communications device 200 can be associated with base band-RF resource chain.Each base band-RF resource chain can comprise baseband modem processor 216 to perform the base band/modem feature of the communication on SIM, and can comprise one or more amplifiers and radio, is usually called RF resource 218 herein.In one embodiment, base band-RF resource chain can share common baseband modem processor 216 (that is, performing the single assembly of base band/modem feature for all SIM on wireless device).Or each base band-RF resource chain can comprise physically or baseband processor independent in logic (such as, BB1, BB2).
RF resource 218a, 218b can separately for performing telecommunication circuit or the transceiver of the transmitting/receiving function of the SIM that is associated being used for wireless device.RF resource 218a, 218b can be the telecommunication circuit comprising transmitting and receiving circuit separately, maybe can comprise the transceiver being combined with reflector and receiver function.RF resource 218a, 218b can be coupled to wireless antenna (such as, the first wireless antenna 220a and the second wireless antenna 220b).RF resource 218a, 218b also can be coupled to baseband modem processor 216.
In a particular embodiment, general processor 206, memory 214, baseband processor 216 and RF resource 218a, 218b can be included in mobile communications device 200 as system on chip.In another embodiment, first and second SIM202a, 202b and corresponding interface 204a, 204b can in the outsides of system on chip.In addition, various input and output device can be coupled to the assembly on system on chip, such as interface or controller.The instance user input module being suitable for using in mobile communications device 200 can including (but not limited to) keypad 224 and touch-screen display 226.
In one embodiment, keypad 224, touch-screen display 226, microphone 212 or its combination can perform and receive the initial function spreading out of the request of calling.For example, touch-screen display 226 can receive and select or receiving dialed number from the contact person of contacts list.In another example, any one or both in touch-screen display 226 and microphone 212 can perform and receive the initial function spreading out of the request of calling.For example, touch-screen display 226 can receive and select or receiving dialed number from the contact person of contacts list.As another example, the initial request spreading out of calling can in the form of the voice command received via microphone 212.Various software module in mobile communications device 200 and interface can be provided between function to realize communication therebetween, as known in the art.
Mobile communications device 200 also can comprise acquisition database 232, search module 234, determination module 236, one or more timer 2 38 (such as, without service timer or power savings mode timer) and/or power supplys (not shown).Described power supply can be battery powered, but technology described herein is applicable to not battery powered device.
When arbitrary SIM204a, 204b are in service disruption state, associated antenna 220a, 220b do not receive the service signal from Base Transmitter on the frequency band supported by described corresponding SIM204a, 204b.For example, arbitrary SIM204a, 204b can experience loss of service in the normal operation period, or possibly at once cannot find service signal after power.Loss of service can mobile communications device 200 advance to its main public land mobile network (PLMN) or outside the coverage of other PLMN any that operates on the frequency band supported by specific SIM204a, 204b time occur.
The technology that systematic search module 236 primary responsibility determination mobile communications device 200 should use, channel and/or ISP.Systematic search module 236 can also determine when the positive service disruption of the operation of mobile communications device 200 or its at least one SIM.Service request is sent to general processor 206 by systematic search module 236.General processor 206 is control RF resource 218a, 218b subsequently, and it is in order to be transmitted into any neighbouring base station via antenna 220a, 220b by service request.For example, service request can comprise full service request, limited service request or obtain database service request.Full service request searches normal mode service from any available base stations.If normal mode service is unavailable, so limited service request can search limited service from any available base stations.Limited service can comprise emergency wireless device.Obtain database service request from being kept at the channel search services obtained database.One or more frequency bands that service request identification is supported by corresponding SIM204a, 204b are to perform service signal search.
The lower level signaling of general processor 206 primary responsibility mobile communications device 200 and control mobile communications device 200 and how to operate in AD HOC, such as deep sleep modes, power savings mode, free time/connection mode.After receiving the service request from systematic search module 236, the frequency band that general processor 206 can identify in the service request performs scanning.If the service signal that the unsuccessful acquisition of described scanning will operate thereon, so general processor 206 can use same service request, different service request perform another scanning or be returned to deep sleep modes.
Obtain database 232 and can store the channel of prestrain, the channel of dynamic learning or both combinations.The input of the channel of prestrain can obtain in database 232 by communications service providers during the programming of mobile communications device 200 or indivedual SIM204a, 204b.The channel of prestrain can comprise knownly will provide the common signal channel of quality services signal.And, the channel of dynamic learning can comprise the channel that mobile communications device 200 or indivedual SIM204a, 204b had previously received service thereon, and dynamically can be added to by general processor 206 between the normal operating period of mobile communications device 200 and obtain database 232.
The bootable search module 234 of general processor 206 performs the frequency scanning for full service or limited service.In the case of necessary, limited service frequency scanning (herein also referred to as " limited service scanning ") can be followed after full service frequency scanning (herein also referred to as " full service scanning ").If full service scanning and limited service scan unsuccessful, so the bootable search module 234 of general processor 206 performs once or once obtains scan database above.In either case, search service signal on each channel of frequency band of identifying in respective service request of search module 234.
If do not have service signal search success, so general processor 206 can make whole mobile communications device 200 or indivedual SIM be placed in deep sleep modes and/or power savings mode.During deep sleep modes, general processor 206 reduces power consumption by the service signal search do not performed for service disruption SIM.One or both in described SIM can be retained in deep sleep modes the sound sleep time cycle lasting pre-defined.During power savings mode, general processor 206 is by the service signal search that periodically performs for service disruption SIM but these search be limited to and obtaining the channel that identifies in database (namely, obtain scan database), reduce power consumption.One or both in described SIM can be retained in power savings mode the power savings mode time cycle lasting pre-defined.And general processor 206 carrys out periodically initial wake-up period by the electric power increased in mobile communications device 200.Power savings mode can comprise the interval of sound sleep and limited wake-up period.For example, after the deep sleep modes time cycle that operating mobile communication device 200 lasts pre-defined in deep sleep modes, general processor 206 can indicate power supply that additional battery electric power is provided to general processor 206.
After entering wake-up period, service request is sent to general processor 206 by systematic search module 236 at once again.As mentioned above, what service request identifiable design was supported by mobile communications device 200 wherein will perform one or more frequency bands of service signal search.
General processor 206 performs once or once above service signal search in response to the service request received in supported frequency band.When performing service signal search, with antenna 220a, 220b that SIM is associated on, the outgoing signals such as such as service request signal are sent to base station.When service signal search fail to detect by operate thereon service signal time, general processor 206 will turn back to systematic search module 236 without service signal instruction, and mobile communications device 200 can perform more searches, enters power savings mode or enter the deep sleep modes of prolongation in the case.
When finding service signal, service signal instruction available for instruction service is turned back to systematic search module 236 by general processor 206.In question antenna 220a, 220b can receive input signal subsequently, such as, from paging signal and the pilot signal of the Base Transmitter connected.RF resource 218a, 218b comprise the signal and the circuit of output digital value that receive in order to process.Consistent with normal mobile communication device, the signal that RF resource 218a, 218b can use low noise amplifier (LNA), RF blender and mould/number (A/D) transducer and other suitable assembly (not shown) process to receive is to produce corresponding digital value.
As mentioned above, full service scanning consumes relatively a large amount of time and electric power resource compared with acquisition scan database.For example, obtaining scan database can spend come by 0.2 second for about 0.03 second.By contrast, full service scanning can spend come for 1 to 2 minutes.Therefore, limit general processor 206 to perform the frequency of complete service scan and number of times and can reduce power consumption in mobile communications device 200.
Fig. 3 illustrates the acquisition scanning sequence 300 of the RF chain in mobile communications device, and it is attempted in power savings mode from service disruption recovering state.Obtain the timeline 305 that scanning sequence 300 corresponds to the activity of RF chain.The bar risen represents the cycle of the service scan activity on RF chain.Shown sequence can repeat when needed, and wherein the sound sleep full service scanning 310 on the right represents beginning of next circulation.First sound sleep full service scanning 310 can be attempted scanning and is associated with the particular technology agreement such as such as UMTS or is limited to all channels of initial selected channel group.Or the first sound sleep full service scanning 310 needs to be limited to the channel be associated with particular technology agreement or group, and can comprise all channels and agreement supported on mobile communication devices.First sound sleep full service scanning 310 is at time T
0with T
1between cycle T
f-1middle generation.Second sound sleep full service scanning 330 can be attempted scanning and is associated from the different technologies agreement such as such as GSM or is limited to all channels of the follow-up predetermined selective channel group different with initial selected channel group.Second sound sleep full service scanning 330 without the need to being limited to the channel be associated with particular technology agreement or group, and can comprise all channels and all communication technologys and agreement supported on mobile communication devices in various embodiments.In this way, the first sound sleep full service scanning 310 and the second sound sleep full service scanning 330 can scan same channel or different channels.Second sound sleep full service scanning 330 is at time T
6with T
7between cycle T
f-2middle generation.In addition, between first and second sound sleep full service scanning 310,330, some acquisition scan databases 320 can be performed.Obtain scan database 320 in cycle T
amiddle generation.Before and after each obtains scan database 320, device is in sound sleep cycle T
dS.In addition, show that electric power is saved time cycle T
pS, it can extend to the beginning of next sound sleep full service scanning 330 from a sound sleep full service scanning 310.
Fig. 3 illustrates that then in the end on frequency band is attempted full service scanning is that limited service scanning lasts 4 wakeup cycle and in every 5th wakeup cycle, attempts the example of the mobile communications device of full service scanning subsequently on alternative frequency band.Power savings mode circulation can be 30 seconds for front 10 circulations, is 45 seconds subsequently for the 2 10 circulation, is 60 seconds subsequently and always like this for each circulation.Or, other scalable sequence can be used for continuous circulation group, such as 20/40/60 second.During power savings mode, for preempting radio access technologies (RAT) recently and PLMN can trigger acquisition scan database.
The acquisition scan database subscribed for a SIM should not interrupt the complete of another SIM reservation or limited service scanning.For avoiding this situation, can assign acquisition scan database and scanning low priority for scheduling object than other.And, obtain scan database and calibrate by the number of the reservation of service disruption, make the frequency of acquisition scan database and power consumption level keep identical on all service disruption SIM of many SIM mobile communications device.
Fig. 4 A illustrates and obtains scanning sequence 400a, and it illustrates that the not coordinated power savings mode subscribed between Sub1, Sub2 at two SIM in embodiment mobile communications device operates.When more than one SIM is in service disruption state, the scanning performed for attempting Resume service can extend the overall sweep time of mobile device.And if scanning is not coordinated, so it may be overlapping and stop each other or interference, and this can increase each acquisition of subscribing further and postpone.Subscribe but the DSDS/DSDA device of an only transceiver for having two, overlap causes direct conflict.This conflict is represented by timeline 305,315 simultaneously in Figure 4 A, wherein obtains scanning 310,320,330 on through scheduling to occur and/or overlapping in the cycle that it occurs simultaneously.
Fig. 4 B illustrates and obtains scanning sequence 400b, and it illustrates that the coordinated power savings mode subscribed between Sub1, Sub2 at two SIM in embodiment mobile communications device operates.By subscribing at two the sequential that Resume service scanning 310,320,330 is interrupted in coordination service between Sub1, Sub2, the conflict during mobile communications device can avoid service disruption recovery to attempt.In this way, service disruption recovers scanning can through scheduling alternately to ask every middle generation, and therefore each reservation Sub1, Sub2 carries out in turn.Therefore, the method make use of for each subscribe scanning between the sound sleep cycle.Lack conflict to be represented by timeline 305,315 simultaneously in figure 4b, wherein obtain on scanning 310,320,330 through scheduling with occur simultaneously and/or time ask overlap.Various acquisition scan database and sound sleep full service scanning can interlock together with avoid the first reservation to subscribe with second between conflict.And, first obtain scan database, second obtain scan database and sound sleep full service scanning can be continuous print or in another sequence through design with guarantee its avoid subscribe between conflict.
According to an embodiment, each is subscribed Sub1, Sub2 and coordinates its sequential by the value of setting acquisition scan database timer.In this way, when each reservation Sub1, Sub2 enter deep sleep modes, obtain scan database timer and be set.And by knowing the similar duration obtaining scan database, the deep sleep modes for corresponding subscription Sub1, Sub2 can be coordinated consistent with the activity of subscribing with another.In addition, identical coordinated service disruption recovery obtains scanning and may extend into two or more SIM.
Fig. 4 C illustrates and obtains scanning sequence 400c, and it illustrates that the coordinated power savings mode subscribed between Sub1, Sub2, Sub3 at three SIM in embodiment many SIM mobile communications device operates.Lack conflict to be represented by timeline 305,315,325 simultaneously in figure 4 c, wherein obtain scanning 310,320,330 on through scheduling to occur and/or overlapping in time simultaneously.Although service disruption scan schedule becomes more complicated, this scheduling avoids conflict.
In order to coordination service interrupt scanning, determine that some system variables are helpful.Obtaining database duration scanning is this class variable, its by twice continuously the interval obtained between scan database measure.And sound sleep contraction time pattern (that is, 30/45/60 second) is also the variable that can determine and/or programme.In addition, there is built-in variable constraint, such as, need the number (being called " Noos-sub ") that the service disruption recovered is subscribed herein.Another variable obtains scan database to complete spendable maximum time and (be called T herein
a-Max).In addition, timer can be maintained and remain in deep sleep modes how long (be called herein " Tsleep ") to follow the tracks of reservation, or maintain timer for specific acquisition scan database can initial time (be called " T herein
a-Start") trigger.
Subscribe for each, various parameter can be known and/or through setting.For example, T
a-Startvalue can obtain database duration scanning through being set as that Noos-sub is multiplied by.And this value can upgrade when Noos-sub changes.After entering sound sleep, if current time adds T
a-Starttimer value adds T
a-Maxbe less than next sound sleep wakeup time, so T
a-Starttimer can start at once.At T
a-Startafter timer expiration, at once can trigger for corresponding technology (that is, RAT) and obtain scan database.When attempting using acquisition scan database acquisition service unsuccessful, if current time adds T
a-Startvalue on timer adds value T
a-Maxbe less than next sound sleep wakeup time, so T
a-Starttimer can start.And if obtain scan database when device wakes up from sound sleep underway, so device can be cancelled current acquisition scan database and trigger the extension of full service scanning or sound sleep scanning, completes until obtain scan database.
Illustrate in Fig. 5 and be suitable for implementing various embodiment to use the example mobile communications device 500 of intelligent many SIM control.Mobile communications device 500 can comprise processor 502, and it is coupled to touch screen controller 504 and internal storage 506.Processor 502 can be one or more integrated circuits of specifying for general or particular procedure task.Internal storage 506 can be volatibility or nonvolatile memory, and also can be safety and/or through encrypted memory or dangerous and/or not encrypted memory or its any combination.Touch screen controller 504 and processor 502 also can be coupled to touch panel 512, such as resistance-type sensing touch product, capacitance type sensing touch-screen, infrared sensing touch-screen etc.(such as, mobile communications device 500 can have one or more radio signal transceiver 508 for sending and receiving
,
,
, Wi-Fi, RF radio) and antenna 510, it is coupled to each other and/or be coupled to processor 502.Transceiver 508 and antenna 510 can use to implement various wireless transmission protocol stack and interface together with circuit mentioned above.Mobile communications device 500 can comprise the cellular network wireless modem chip 516 being coupled to SIM card 526,527, and it realizes communication via cellular network and is coupled to processor.Mobile communications device 500 can comprise the peripheral unit connecting interface 518 being coupled to processor 502.Peripheral unit connecting interface 518 individually can be configured to the connection of acceptance one type, or multiple being configured to accepts various types of common or proprietary physics and communication connection, such as USB, FireWire, Thunderbolt or PCIe.Peripheral unit connecting interface 518 also can be coupled to the peripheral unit connectivity port (not shown) of similar configuration.Mobile communications device 500 also can comprise the loud speaker 514 for providing audio frequency to export.Mobile communications device 500 also can comprise the shell 520 constructed by plastics, metal or combination of materials, for comprising all or some assemblies discussed herein.Mobile communications device 500 can comprise the power supply 522 being coupled to processor 502, such as disposable or rechargeable battery.Rechargeable battery also can be coupled to peripheral unit connectivity port and receive charging current with the source from mobile communications device 500 outside.
Preceding method describes and process flow diagram only provides as illustrative example and setly do not require or do not imply the step that must perform various embodiment with presented order.As those skilled in the art will understand, the order of steps in previous embodiment can perform by any order.The such as order of the set not conditioning step of word such as " then ", " subsequently ", " then ", these words are only in order to guide the description of readers ' reading method.In addition, such as use article " " or " described " to should not be construed as any reference of claim element in the singular and described element is limited to odd number.
The various illustrative components, blocks described in conjunction with embodiments disclosed herein, module, circuit and algorithm steps can be embodied as electronic hardware, computer software or both combination described.In order to this interchangeability of hardware and software is clearly described, in it is functional, describe various Illustrative components, block, module, circuit and step substantially above.By this type of functional design constraint being embodied as hardware or software and depending on application-specific and apply whole system.Those skilled in the art can implement described functional by different way for each application-specific, but this type of embodiment decision-making should be interpreted as causing the disengaging with scope of the present invention.
What describe in conjunction with aspect disclosed herein can implement with the general processor performing function described herein, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components or its any combination or perform with through design in order to the hardware implementing various illustrative logical, logical block, module and circuit.General processor can be microprocessor, but in replacement scheme, described processor can be any conventional processors, controller, microcontroller or state machine.Processor also can be embodied as the combination of calculation element, the combination of such as DSP and microprocessor, multi-microprocessor, in conjunction with DSP core one or more microprocessors or any other this type of configure.Or some steps or method can be performed by the specific circuit for given function.
In in one or more are exemplary, described function can hardware, software, firmware or its any combination be implemented.If with implement software, so function can be used as one or more instructions or code storage on non-transitory computer-readable storage medium or non-transitory processor readable memory medium.The method disclosed herein or the step of algorithm can embody in executive software module at processor, and described module can reside on non-transitory computer-readable or processor readable memory medium.Non-transitory computer-readable or processor readable memory medium can be can by any medium of computer or processor access.For example but and unrestricted, this type of non-transitory computer-readable or processor readable memory medium can comprise RAM, ROM, EEPROM, flash memory, CD-ROM or other optical disk storage apparatus, disk storage device or other magnetic storage device or can be used to the form of instruction or data structure store want program code and can by other media any of computer access.As used herein, disk and case for computer disc are containing compact disk (CD), laser-optical disk, optical compact disks, digital versatile disc (DVD), floppy disc and Blu-ray Disc, wherein disk is usually with magnetic means playback of data, and usage of CD-ROM laser playback of data to be optically.Combination is above also contained in the scope of non-transitory computer-readable and processor readable media.In addition, the operation of method or algorithm can be used as one in code and/or instruction or any combination or set and resides in and can be incorporated on non-transitory processor readable memory medium in computer program and/or computer-readable storage medium.
Thering is provided the previous description of disclosed embodiment is to make those skilled in the art can make or use the present invention.It will be apparent to those skilled in the art that the various amendments to these embodiments, and when not departing from the spirit or scope of the present invention, the General Principle defined is applicable to other embodiment herein.Therefore, the set embodiment being not limited to show herein of the present invention, but the widest scope consistent with appended claims and principle disclosed herein and novel feature should be endowed.
Claims (9)
1. in many SIM mobile communications device from a method for service disruption recovering state, it comprises:
In described mobile communications device, maintain the acquisition database identifying at least one channel, at least one channel wherein said corresponds to described mobile communications device and once obtained the channel of previous use and at least one in pre-programmed channel of previously serving and connecting;
In response to determine the first current service connect for first subscribe not on and perform the first acquisition scan database with obtain for described first subscribe first through newly serving connection again, wherein said first obtains database scanning is limited to the channel identified in described acquisition database;
Determine whether described first be obtain scan database from described first to obtain through new service connects again;
In response to determine the second current service connect for second subscribe not on and perform the second acquisition scan database with obtain for described second subscribe second through newly serving connection again, wherein said second obtains database scanning is limited to the channel identified in described acquisition database;
Determine whether described second be obtain scan database from described second to obtain through new service connects again; And
In response to determining that described first to connect through new service again and the described second at least one in new service is again connected is not acquired and described first obtains scan database and described second and obtain scan database and do not performing sound sleep full service and scan and be connected at least one with described second in newly service is again connected to obtain described first through newly service more on.
2. method according to claim 1, wherein said first acquisition scan database, described second obtains scan database and described sound sleep full service scanning is continuous print.
3. method according to claim 1, wherein said first obtain scan database, described second obtain scan database and described sound sleep full service scanning be interlock together with conflicting between avoiding described first to subscribe subscribing with described second.
4. method according to claim 1, it comprises further:
In response to determine current 3rd service connect for the 3rd subscribe not on and described first obtain scan database and described second obtain scan database all not on and perform for the described 3rd subscribe the 3rd obtain scan database with obtain for the described 3rd subscribe the 3rd through newly serving connection again; And
Determine whether the described 3rd be obtain scan database from the described 3rd to obtain through new service connects again.
5. method according to claim 4, wherein said first acquisition scan database, described second acquisition scan database, the described 3rd obtain scan database and described sound sleep full service scanning is the conflict to avoid described first to subscribe, between described second reservation with described 3rd reservation interlocked together.
6. the mobile communications device of SIM more than, it comprises:
Memory;
Multiple SIM; And
Processor, it is coupled to described memory and described multiple SIM, and wherein said processor is configured to the operation of the method performed according to claim arbitrary in claim 1 to 5 with processor executable.
7. the mobile communications device of SIM more than, it comprises:
For performing the device of the function of the operation of the method according to claim arbitrary in claim 1 to 5.
8., according to the many SIM mobile communications device in claim 6 and 7 described in arbitrary claim, wherein said mobile communications device is mobile computing device.
9. a non-transitory processor readable memory medium, it stores processor executable, and described processor executable is configured to cause the processor of many SIM mobile communications device to perform the operation of the method according to claim arbitrary in claim 1 to 5.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310419100.3A CN104469748A (en) | 2013-09-13 | 2013-09-13 | Service interruption recovery for multi-SIM mobile communication device |
| US14/332,450 US9485718B2 (en) | 2013-09-13 | 2014-07-16 | Out-of-service recovery for a multi-SIM wireless device |
| PCT/US2014/047077 WO2015038236A1 (en) | 2013-09-13 | 2014-07-17 | Out-of-service recovery for a multi-sim wireless device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310419100.3A CN104469748A (en) | 2013-09-13 | 2013-09-13 | Service interruption recovery for multi-SIM mobile communication device |
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| CN104469748A true CN104469748A (en) | 2015-03-25 |
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| CN201310419100.3A Pending CN104469748A (en) | 2013-09-13 | 2013-09-13 | Service interruption recovery for multi-SIM mobile communication device |
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