CN102958042B - Wireless communication device and service restoration method - Google Patents

Abstract

A wireless communication device and a service restoration method are provided. The wireless communication device is communicated with multiple service networks through a shared antenna, the device comprises a first processor logic unit for detecting non-service state connected with a first service network of a first user identification card when multiple first time slots are used for realizing wireless transmission through a service area of a second service network, wherein a second user identification card is used for keeping the second service network; and a second processor logic unit for utilizing multiple second time slots to realize power scanning recovering from the non-service state. The wireless communication device and the service restoration method can be used for saving time for a user identification module recovering from the non-service state.

Description

Radio communication device and service restoration method

Technical field

The present invention has the wireless distribution process about business recovery (service recovery), and be particularly to perform and packet transfer mode (Packet Transfer Mode when passing through shared antenna, PTM) subscriber identification module (Subscriber Identity Module, during the data service SIM) associated, for the wireless distribution process of business recovery associated with virtual SIM.

Background technology

Due to the increased requirement of a large amount of calculating and network, so developed various wireless communication technology now, such as global system for mobile communications (Global System for Mobilecommunications) technology, GPRS (General Packet Radio Service, GPRS) technology, enhanced data rates for gsm evolution (Enhanced Data rates for GSMEvolution, EDGE) technology, universal mobile telecommunications system (Universal MobileTelecommunication System, UMTS) technology, CDMA 2000 (Code DivisionMultiple Access 2000, CDMA 2000) technology, TD SDMA (TimeDivision-Synchronous Code Division Multiple Access, TD-SCDMA) technology, worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, WiMAX) technology, Long Term Evolution (Long Term Evolution, LTE) technology, enhancement mode Long Term Evolution (Long Term Evolution-Advanced, LTE-A) technology, time-division Long Term Evolution (Time-Division LTE, TD-LTE) technology or other technologies.Normally, mobile phone only support a wireless communication technology and no matter the geographical position of user at which, by the wireless communication technology supported at any time for user provides radio communication service.Especially in the commercial age now, mobile phone becomes the requisite instrument for convenience of business management.For businessman, since they also need to operate a business, so generally can have more than a mobile phone to make business during going out even to go abroad.A part of user finds that having multi-section mobile phone can save or control wireless traffic cost (comprising telephone service and/or data service) preferably in addition.But when user must make one's options continually and need all mobile phones to carry with between mobile phone, the mobile phone having more than two or two becomes trouble.In order to the user for having multiple subscriber number provides method more easily, in mobile phone industry, support that the double card of two or more subscriber identification module or many cards mobile phone arise at the historic moment by single transceiver (or modulator-demodulator).Particularly, each wireless communication module in double card or many cards mobile phone can perform wireless transmission and the reception of single Subscriber Number.In addition, user wishes that the said goods has the function of receipt of call (above-mentioned two kinds of business come from two Subscriber Numbers) while performing data service.

But, reach above-mentioned wish function while can introduce design problem, time division multiple access (Time Division Multiple Access, the TDMA) channel wherein associated with two or more wireless communication module there will be conflicting situation.In other words, while other wireless communication modules do not control single transceiver, only allow a wireless communication module to utilize above-mentioned single transceiver to obtain Internet resources.Such as, configurable double-card mobile telephone makes packet switching (Packet-Switched, PS) data service takies single transceiver, above-mentioned PS data service comprises such as multimedia messaging service (Multimedia Messaging Service, MMS), instant short message service (Instant Messaging Service, IMS), by file transfer protocol (FTP) (File TransferProtocol, FTP) file transfer, web page browsing or with a Subscriber Identity Module module (Subscriber Identity Module, SIM) other PS data services (being hereinafter referred to as PTM SIM) associated.Particularly, specific business model (traffic pattern) can be utilized to perform PS data service, wherein taking single transceiver for power measurement except arranging in other one or more time slots of time slot arranging to take in time slot single transceiver for PS data service.When detect another SIM (being called virtual SIM) without business (no-service) state and need the power scan for virtual SIM time, for in other remaining time slots of PTM SIM, single transceiver is only for power scan.In other words, the active priority of the comparable virtual SIM of the activity of PTM SIM obtains the control to single transceiver.Therefore, will take a long time for virtual SIM from without the power scan recovered service condition, and will call out losing the mobile terminal (Mobile Terminated, MT) associated with virtual SIM during this period of time.

Summary of the invention

In view of this, the invention provides a kind of radio communication device and recover operational approach.

A kind of radio communication device, shared antenna is utilized to communicate with multi-play Services network, this radio communication device comprises: first processor logical block, when the service district utilizing multiple first time slot by the second business network performs wireless receiving and dispatching, for detect associate with the first business network of first user identification card without service condition, wherein current this second business network resident of the second Subscriber Identity Module; Second processor logic unit, performs for from this power scan without business recovering state for utilizing one or more second time slots except the plurality of first time slot; And the 3rd processor logic unit, when the signal strength signal intensity of this service district this second business network being detected is less than predetermined threshold value, in this second business network, performs neighbor cell power for utilizing this one or more second time slot untapped and measure.

A kind of recovery operational approach, the business with the first business network is recovered for utilizing when radio communication device to share while antenna carries out communicating with the second business network, the method comprises: when performing the wireless receiving and dispatching of service district of this second business network, detect associate with this first business network of first user identification card without service condition, wherein the second user identification code utilizes this service district of current this second business network resident of multiple first time slot; And utilize one or more second time slots except the plurality of first time slot to perform to be used for from this power scan without business recovering state; Wherein, when the signal strength signal intensity of this service district this second business network being detected is less than predetermined threshold value, utilizes this one or more second time slot untapped in this second business network, perform neighbor cell power and measure.

A kind of radio communication device, shared antenna is utilized to communicate with multi-play Services network, this radio communication device comprises: first processor logical block, power scan is performed at least one in multiple time slot, when detecting that first user identification card has entered without service condition, this at least one arrangement in the plurality of time slot is used for the non-grouping switch data transmitting-receiving of the second Subscriber Identity Module; And the second processor logic unit, for attempting the business recovering this first user identification card after this power scan; Wherein, this first processor logical block performs this power scan to respond the detection signal strength of the current resident service district of this second Subscriber Identity Module, wherein current this resident service district of this second Subscriber Identity Module this detection signal strength be not less than predetermined threshold value.

Radio communication device of the present invention and recover operational approach and can save virtual user identification module from without the time of recovering service condition.

Accompanying drawing explanation

Fig. 1 is the wireless communication system schematic diagram described according to the embodiment of the present invention.

Fig. 2 is the hardware configuration schematic diagram of the MS according to embodiment of the present invention description.

Fig. 3 is the schematic diagram of the MS hardware configuration according to another embodiment of the present invention description.

Fig. 4 is the MS 400 hardware configuration schematic diagram coupling two Subscriber Identity Modules and individual antenna described according to the embodiment of the present invention.

Fig. 5 describes the initialized pdp context activation schematic diagram of MS.

Fig. 6 is the fundamental operation schematic diagram describing PLMN search procedure.

Fig. 7 A is that the radio for the business recovery associated with virtual SIM described according to the embodiment of the present invention distributes schematic diagram.

Fig. 7 B is that the radio for the business recovery associated with virtual SIM described according to another embodiment of the present invention distributes schematic diagram.

Fig. 8 is the service restoration method flow chart described according to the embodiment of the present invention.

Fig. 9 is another service restoration method flow chart described according to the embodiment of the present invention.

Embodiment

Some vocabulary is employed to censure specific element in the middle of specification and claims.Person of ordinary skill in the field should understand, and hardware manufacturer may call same element with different nouns.This specification and claims book not using the difference of title as the mode of distinguish one element from another, but using element difference functionally as the criterion distinguished." comprising " mentioned in specification and claim is in the whole text an open term, therefore should be construed to " comprise but be not limited to ".In addition, " couple " word comprise directly any at this and be indirectly electrically connected means.Therefore, if describe first device in literary composition to be coupled to the second device, then represent first device and can directly be electrically connected in the second device, or be indirectly electrically connected to the second device by other device or connection means.

Ensuing description realizes most preferred embodiment of the present invention, and it is the object in order to describe the principle of the invention, not limitation of the present invention.Understandably, the embodiment of the present invention can be realized by software, hardware, firmware or its combination in any.

Fig. 1 is the wireless communication system schematic diagram described according to the embodiment of the present invention.Wireless communication system 100 comprises travelling carriage (Mobile Station, MS) 110, business network 120 and 130.Behind MS 110 resident (camp on) Liang Ge community, it can carry out radio communication with the business network 120 and 130 associating two Subscriber Numbers respectively.Base station (Node-B), base station (Base Station, BS) or other websites can be used to manage above-mentioned community.Business network 120 and 130 can be compatible with GSM/GPRS/EDGE technology, and two independent SIM card or Global Subscriber identification module (Universal Subscriber Identity Module, USIM) block, or SIM evil spirit card (namely having the SIM card of two or more Subscriber Numbers) can provide above-mentioned Subscriber Number.MS 110 can provide two or more slot (socket), inserts (U) SIM card in each slot.Two or more baseband modules can be arranged, each business for insertion (U) SIM card, or arrange a baseband module to be used for the business of all insertions (U) SIM card, thus realize the communication with identical or different wireless telephony network.

MS 110 can radio access Internet resources, such as Email transmission, web page browsing, files passe/download, instant short message, video flowing, voice (voiceover Internet Protocol by Internet protocol, VoIP) transmission or other business, or can radiotelephone call be carried out.In addition, main frame or notebook can connect/couple MS 110 and by MS 110 radio access Internet resources.(U) SIM card that can be each insertion operates MS 110 under idle pulley or dedicated mode (or can be described as connection mode).At the idling mode, MS 110 searches for or measures Broadcast Control Channel (the Broadcast Control Channel with better signal quality from the community that specific transactions network provides, BCCH), or carry out synchronous with the BCCH of specific cell, wherein MS 110 prepares to perform random access procedure on direct access communications channels (Random Access Channel, RACH) all the time to ask dedicated channel.In dedicated mode, MS 110 takies physical channel and attempts synchronous with it, and sets up logic channel and perform switching by it.Because MS 110 is assembled with one or more SIM card, so (U) SIM card that can be each insertion operates MS 110 under idle pulley or dedicated mode.Such as, but when MS 110 assembles single shared Radio Resource, individual antenna, only allowed to utilize one in the business network 120 and 130 of (U) SIM card to perform above-mentioned communication in the time provided.Such as, if when MS 110 utilizes SIM card to perform with the PS data service of one of them in business network 120 and 130 just in dedicated mode, under other SIM card are in so-called " virtual free time " pattern, wherein during remaining time slots, (are namely not used in the time slot of PS data service) and perform the activity associated with idle pulley only.

Fig. 2 is the hardware configuration schematic diagram of the MS according to embodiment of the present invention description.MS 200 comprises the single RF module 220 of baseband chip 210 and coupling antenna 230.Baseband chip 210 can comprise multiple hardware unit to perform base band signal process, it comprises analog-to-digital conversion (analogto digital conversion, ADC)/digital-to-analogue conversion (digital to analog conversion, DAC), Gain tuning, modulating/demodulating, coding/decoding etc.RF module 220 can receive RF wireless signal from antenna 230, and the RF wireless signal of reception is converted to baseband signal, then baseband chip 210 processes above-mentioned baseband signal, or RF module 220 is from baseband chip 210 receiving baseband signal and be converted into RF wireless signal, then by antenna, above-mentioned RF wireless signal is sent.RF module 220 also comprises multiple hardware unit to perform wireless frequency conversion.Such as, RF module 220 can comprise frequency mixer with by baseband signal and the carrier multiplication of vibrating in the radio frequency of cordless communication network, wherein radio frequency can be application 900MHz, 1800MHz or 1900MHz in gsm networks, or can be application 900MHz, 1900MHz or 2100MHz in a wcdma network, or the frequency be applied in other wireless access techniques (Radio Access Technology, RAT) network.As shown in Figure 2, Subscriber Identity Module 10 and 20 inserts two slots of MS 200.MS 200 can comprise double card controller 240 further, and it connects or is coupled to baseband chip 210 and Subscriber Identity Module 10,20.According to power management integrated chip (Power Management Integrated Chip, PMIC) with the demand of battery, double card controller 240 provides identical or different voltage for Subscriber Identity Module 10 and 20, wherein can be each Subscriber Identity Module determination magnitude of voltage at initial period.Baseband chip 210 reads data from one of them Subscriber Identity Module 10 and 20, and writes data by double card controller 240 to one of them in Subscriber Identity Module 10 and 20.In addition, double card controller 240 instruction of issuing according to baseband chip 210 optionally to Subscriber Identity Module 10 and 20 tranmitting data register, restart and/or data-signal.Baseband chip 210 can comprise processor logic unit to provide the radio communication function of compatible GSM/GPRS/EDGE technology.In addition, baseband chip 210 can comprise processor logic unit to provide the service restoration method mentioned in the present invention.Subscriber Identity Module 10 and 20 can be two SIM card corresponding with the wireless communication technology that baseband chip 210 is supported.Therefore MS 200 can resident identical or heterogeneous networks operator be simultaneously the Liang Ge community that the Subscriber Identity Module 10 and 20 inserted provides, and utilize single RF module 220 to operate in different modes with baseband chip 210, such as dedicated mode and idle pulley.In addition, MS 200 comprises user's interface device 250, and it provides user interface to carry out interaction with MS 200 for user, and wherein this user's interface device 250 can comprise keyboard, touch-screen, touch pad, game paddle, mouse and/or scanner etc.Such as, when MS 200 is just receiving MT calling, user's interface device 250 can point out MT to call out on the touchscreen, and user calls out to answer MT by the virtual button of answering on contact touch-screen.

Alternatively, Fig. 3 is the schematic diagram of the MS hardware configuration according to another embodiment of the present invention description.Similar to Fig. 2, baseband chip 310 performs baseband signal process, such as ADC/DAC, Gain tuning, modulating/demodulating, coding/decoding etc.But two interfaces (interface, I/F) that can be provided by baseband chip 310 to the connection of Subscriber Identity Module 10 and 20 from MS 300 process separately.Be appreciated that the hardware configuration shown in Fig. 2 or Fig. 3 can be adjusted to couple more than two Subscriber Identity Modules, the present invention is not limited to this.

Fig. 4 is the MS 400 hardware configuration schematic diagram coupling two Subscriber Identity Modules and individual antenna described according to the embodiment of the present invention.Exemplary hardware structure is applicable to the MS of any utilization GSM/GPRS/EDGE technology.In exemplary hardware structure, two RAT modules 410 and 420 share single antenna 430, and each RAT module at least comprises RF module and baseband chip with persistent district operates under standby mode (stand-by mode), idle pulley or connection mode.As shown in Figure 4, GSM/GPRS baseband chip 411 couples GSM/GPRS RF module 412, and GSM/EDGE baseband chip 421 couples GSM/EDGE RF module 422.In addition, when operating in a particular mode, each RAT module and specific user's identification card, such as SIM A or B carries out interaction.Switching device shifter 440 is coupled between shared antenna 430 and multiple low noise amplifier (Low Noise Amplifier, LNA), and antenna 430 is connected to a LNA to allow the LNA of RF signal through connecting.Each LNA amplifies from the signal the 2G/2.5G frequency band of antenna 430 reception shared, and provides signal to the RF module of correspondence, and wherein 2G/2.5G frequency band can be 900MHz, 1800MHz, 1900MHz or other frequencies.Once a baseband module is attempted performing transmitting-receiving activity, such as send (transmission, TX) or receive (reception, RX) movable, then deliver control signal Ctrl_GSM-GPRS_band_sel or Ctrl_GSM-EDGE_band_sel, to indicate switching device shifter 440, shared antenna 430 is connected to the LNA specified.Notably, GSM/GPRS baseband chip 411 and GSM/EDGE base chip 421 can be connected further to perform the time-out that relates to above-mentioned data and send or receive/stop and the cooperative operation recovered/restart.Be appreciated that GSM/GPRS module 410 and GSM/EDGE module 420 are merely given as examples.Hardware configuration shown in Fig. 4 can be adjusted to and couples more than two Subscriber Identity Modules, and the present invention is not limited to this.

For GPRS/EDGE network, network (such as Global Internet or individual/intranet) and the X.25 network of internet protocol-based (Internet Protocol, IP) can be supported.Before a SIM card of MS can utilize PS data service, MS needs to perform GPRS attaching process (attach procedure) above-mentioned SIM card and GPRS/EDGE network to be adhered to.In GPRS attaching process, first MS sends ATTACH REQUEST message to the Serving GPRS Support Node (Serving GPRS Support Node, SGSN) of GPRS/EDGE network.Then whether GPRS/EDGE Network Check authorizes MS, from attaching position register (HomeLocation Register, HLR) subscriber data is copied to MS, and for MS arranges grouping temporary mobile subscriber identity (Packet Temporary Mobile Subscriber Identity, P-TMSI).In order to after being successfully completed GPRS attaching process by packet (data packet) and external common data network (Public Data Network, PDN) exchange, MS application is used for the address of PDN, and wherein address above mentioned is called packet data protocol (Packet Data Protocol) address.When PDN is IP network, pdp address is IP address.For each session, create so-called PDP Context (PDP context), the feature of its descriptive session.PDP Context describes PDP type (such as IPv4, IPv6 or other), the pdp address distributing to MS, quality of service (the Quality of Service that asks, QoS) address of grade and the Gateway GPRS Support Node (Gateway GPRS Support Node, GGSN) as extranets access point.Fig. 5 describes the initialized pdp context activation schematic diagram of MS.By ACTIVATE PDPCONTEXT REQUEST message, MS notifies the PDP Context of having asked to SGSN.Afterwards, typical GSM safety function (qualification of such as MS) is performed.If authorize access, then SGSN will send CREATE PDP CONTEXTREQUEST message to affected GGSN.GGSN creates new entrance in its PDP Context list, its make GGSN can between SGSN and outside PDN route data packets.GGSN utilizes CREATE PDP CONTEXT RESPONSE message to confirm above-mentioned request to SGSN.Finally, SGSN upgrades its PDP Context list and utilizes ACTIVATE PDPCONTEXT ACCEPT message to confirm to have activated new PDP Context to MS.Notably, for the MS utilizing circuit switching (Circuit Switching, CS) with PS business, the GPRS/IMSI attaching process (wherein IMSI is the abbreviation of international mobile subscriber identity) of associating can be performed.When receiving ACTIVATE PDP CONTEXT ACCEPT message, the baseband module associated with SIM card enters PTM to receive and dispatch IP packet by GPRS/EDGE network, and meanwhile other SIM card enter virtual idle pulley.Under virtual idle pulley, according to the paging session of persistent district in another GSM/GPRS/EDGE network, the identical baseband module or different baseband module that PTM SIM using is waken up in the suitable time, and for beep-page message listens to the paging channel (Paging Channel, PCH) of distribution.In addition, baseband module can perform power measurement (power measurement) to select candidate cell and to utilize the signal quality and/or signal strength signal intensity measured as the input for switching (handover) and cell reselection decision.For virtual SIM, Broadcast Control Channel (the BroadcastControl Channel of adjacent GSM/GPRS/EDGE community, BCCH) list of frequency can send along with the BCCH frequency of himself, and baseband module can be listened to BCCH frequency and indicate (Received Signal StrengthIndication for the GSM/GPRS/EDGE received signal intensity of BCCH, RSSI) perform power measurement, wherein above-mentioned power is the broadband received power in GSM/GPRS/EDGE channel width.In one embodiment, each time cycle suspend the PS data service (namely sacrificing some time slot being configured at transmitting-receiving IP packet) of PTM SIM above-mentioned PCH listen to for performing, cell reselection or other business for virtual SIM.But, will the decline of the data throughout of PTM SIM be caused like this.In another embodiment, within the PTM SIM no time cycle, perform the whole power scan of virtual SIM, thus the PS data service of PTM SIM is not interrupted.

If a SIM card of configuration MS is as PTM SIM, then other SIM card can only be treated under virtual idle pulley, wherein perform idle pulley correlated activation only at remaining time slot (namely not for the time slot of PS business).For virtual SIM, be in without under service conditions when detecting, such as, when lacking covering state or limit service state, the GSM/GPRS/EDGE baseband module associated with virtual SIM should perform public land mobile network (Public LandMobile Network, PLMN) search procedure and want resident suitable cell to locate.In one embodiment, Fig. 6 is the fundamental operation schematic diagram describing PLMN search procedure.Power scan operates the beginning as PLMN search procedure, to locate one or more potential or suitable community with better signal quality.The all possible RF channel that can be GSM/GPRS/EDGE frequency performs power scan operation (i.e. Whole frequency band power scan) or only for being recorded in the appointment RF channel (i.e. store list power scan) of the GSM/GPRS/EDGE frequency in cell list or operating for specific GSM/GPRS/EDGE frequency band performs above-mentioned power scan, wherein cell list indicates and is stored in memory or memory device.Based on the result (the horizontal RXLREV of such as received signal) of power scan operation, can be then frequency correction channel (Frequency CorrectionChannel for the community with best signal quality performs cell search with research, FCCH) each carrier wave existed, aforesaid operations comprises the step of slot synchronization, frame synchronization, code group identification and scrambler identification.For slot synchronization, the GSM/GPRS/EDGE frequency band module associated with virtual SIM utilizes the main synchronizing code of synchronizing channel (Synchronization Channel, SCH) to obtain the slot synchronization with community.FCCH burst (FCCH Burst, FCB) is full null sequence, and it produces fixing tuning enable RF module by its local oscillator locking to the clock of BS, and the existence of FCB identifies this carrier wave as synchronous bcch carrier.The GSM/GPRS/EDGE frequency band module associated with virtual SIM then utilizes finely tunes frequency correction and timing synchronization immediately following the synchronization burst (Synchronization Burst, SB) in the SCH of FCB, and wherein SB has long training sequence.Single matched filter (or any similar installation) can be utilized to obtain slot synchronization, and the main synchronizing code that wherein this filter is identical with all communities mates.By detection peak in exporting at matched filter to obtain the time slot sequential of community.In frame synchronization and code group identification process, MS utilizes subsynchronous code locating frame between MS with community of SCH synchronous and identifies in previous steps the code character finding community.

After completing power scan operation and cell search, the GSM/GPRS/EDGE baseband module listening system frame number (System Frame Number, SFN) associated with virtual SIM thus identify framing and the sequential of community on base transceiver station.After this, BCH obtains one or more system information (System Information, SI) message.Different SI message can take on a different character, such as about SI message repetition rate, read the MS demand of broadcast system information and selected the channel configuration of community and neighbor cell thereof.Then, the GSM/GPRS/EDGE baseband module associated with virtual SIM passes through Traffic Channel (Traffic Channel, TCH) executing location renewal process with the position to GSM/GPRS/EDGE network advertisement MS.If be successfully completed position updating process, then MS this community resident completes the PLMN search procedure of the business recovery for virtual SIM as service district.

Fig. 7 A is that the radio for the business recovery associated with virtual SIM described according to the embodiment of the present invention distributes schematic diagram, and the PS data service wherein associated with PTM SIM while business recovery passes through shared antenna and operates.In the present embodiment, a SIM of MS is in the PTM for PS data service, under meanwhile other SIM of MS are in the virtual idle pulley had without service conditions.Particularly, the PS data service associated with PTM SIM runs under specific transactions pattern, such as, in every frame of 8 time slots, 4 continuous slots are wherein arranged to be used for RX operation (being labeled as " R " block on a timeline) and to arrange a time slot (being labeled as TS5) for TX operation (being labeled as " T " block on a timeline).At slot time, there are three available time slots (being labeled as TS4, TS6, TS7) in every frame, wherein some time slots is originally for PTM SIM retains performs neighbor cell power measurement, but abandons now and power scan for performing virtual SIM.Afterwards, because discharge some time slot from execution neighbor cell power is measured, so expect the business recovering virtual SIM sooner.In other words, during available time slot, virtual SIM has higher priority to take single transceiver (or antenna).As shown in Figure 7 A, virtual SIM only takies the part (being labeled as " P " block on a timeline) of time slot TS6 to TS7 for power scan.Because the hardware between the TX/RX operation of PTM SIM and the power scan of virtual SIM and/or software exchange can spend the regular hour, so virtual SIM can not take whole time slot TS6 and TS7.And, because hardware and/or software exchange cost time added that the time that minimum unit power scan needs is longer than a time slot, so virtual SIM can not utilize time slot TS4 for power scan.Fig. 7 B is that the radio for the business recovery associated with virtual SIM described according to another embodiment of the present invention distributes schematic diagram, and the PS data service wherein associated with PTM SIM while business recovery passes through shared antenna and operates.Similar to Fig. 7 A, run under identical business model with the PS data service that PTM SIM associates, such as, in every frame of 8 time slots, wherein arrange 4 continuous slots (being labeled as TS0 to TS3) for RX operation and arrange a time slot (being labeled as TS5) to operate for TX.But, utilize the technology improved, TX/RX for the PS data service of PTMSIM operates and can spend the relative less time with the hardware between the power scan of virtual SIM and/or software exchange, so can perform the minimum unit power scan for virtual SIM in the unappropriated available time slot of PS business.

For PTM SIM, corresponding GSM/GPRS/EDGE baseband module needs to perform neighbor cell power and measures and utilize the signal quality measured and/or signal strength signal intensity as switching and/or the input of cell reselection.In another embodiment, 3 available time slot TS4 of every frame can be retained, for PTM SIM, TS6, TS7 think that switching and/or cell reselection perform neighbor cell power and measure.Its BCCH list of frequency can be sent along with the respective BCCH frequency of adjacent GSM/GPRS/EDGE community, and GSM/GPRS/EDGE baseband module can listen to the BCCH frequency of adjacent GSM/GPRS/EDGE community and the RSSI execution power measurement for BCCH, and it performs in " P " block of time shaft.Alternatively, such as, as long as the detection power of the resident service district of PTM SIM is less than predetermined threshold value ,-90dBm, then can be that PTMSIM retains 3 available time slot TS4 of every frame, TS6, TS7 think that switching and/or cell reselection perform neighbor cell power and measure.In addition, if the detection power of the resident service district of PTM SIM is greater than (or being not less than) predetermined threshold value, then can be virtual SIM and retain 3 available time slot TS4 of every frame, TS6, TS7 to perform power scan.

Remain in another embodiment above-mentioned, can be PTM SIM and retain 3 available time slot TS4 of every frame, TS6, TS7 to perform neighbor cell power and measure and alternatively for virtual SIM execution power scan.Such as, if be less than predetermined threshold value for the detection power of the service district of the PS data service of PTM SIM, such as-90dBm, then the available time slot TS4 of present frame is routed to PTM SIM to measure to perform neighbor cell power, and the available time slot TS6 of present frame is routed to virtual SIM to perform power scan, and the available time slot TS7 of present frame is routed to PTM SIM again to perform neighbor cell power measurement, and the available time slot TS4 of next frame is routed to virtual SIM to perform power scan etc.In other words, the quantity of the available time slot measured with the neighbor cell power for associating with PTM SIM for the quantity of the available time slot of power scan associated with virtual SIM can be set in configurable ratio according to the service district power level of the PS data service for PTM SIM.In description embodiment, configurable ratio can be set as 1:1.Alternatively, when the PS data service for PTM SIM service district detection power is greater than predetermined threshold value time, such as-90dBm, configurable ratio can be set as 2:1, therefore the available time slot TS4 of present frame can be routed to PTM SIM to measure to perform neighbor cell power, and available time slot TS6 and the TS7 of present frame can be routed to virtual SIM to perform power scan etc.It should be noted that configurable ratio can carry out different set, the present invention is not limited to this.

Fig. 8 is the service restoration method flow chart described according to the embodiment of the present invention.Can carry out applying above-mentioned service restoration method in the radio communication device of radio communication at any two or more independent identification number and two or more business network of utilizing, such as MS 110, MS 200, MS300 or MS 400.First, in step S810, determine a SIM card of MS whether configure as PTM SIM for PS data service and other SIM card of MS whether configure as the virtual SIM without service condition.If answer is yes, then in step S820, the priority that the priority ratio that setting is used for the power scan of virtual SIM is measured for the neighbor cell power of PTM SIM is high, and in step S830, by be not used for the candidate cell power measurement of PTM SIM Slot format to virtual SIM to perform power scan.Otherwise, if the configuration of MS SIM card be used for PS data service as PTM SIM and the configuration of other SIM card of MS as the virtual SIM of normal traffic state, then in step S840, it is high for the priority of the power scan of virtual SIM that setting is used for the priority ratio that the neighbor cell power of PTM SIM measures, and in step S850, the Slot format not being used for the IP packet receiving and dispatching PS data service is measured to PTM SIM to perform neighbor cell power.

Fig. 9 is another service restoration method flow chart described according to the embodiment of the present invention.Similar to Fig. 8, first, in step S910, determine a SIM card of MS whether configure as PTMSIM for PS data service and other SIM card of MS whether configure as the virtual SIM without service condition.If answer is yes, then then determine the signal strength signal intensity of the service district that PTM SIM is resident in step S920, such as whether detection power level is greater than predetermined threshold value.If answer is yes, then in step S930, the priority that the priority ratio that setting is used for the power scan of virtual SIM is measured for the neighbor cell power of PTM SIM is high, and in step S940, by be not used for PTM SIM neighbor cell power measure Slot format to virtual SIM to perform power scan.Otherwise, if the signal strength signal intensity of the service district that PTM SIM is resident is less than predetermined threshold value, then in step S950, it is high for the priority of the power scan of virtual SIM that setting is used for the priority ratio that the neighbor cell power of PTM SIM measures, and in step S960, the Slot format not being used for the IP packet receiving and dispatching PS data service is measured to PTM SIM to perform neighbor cell power.And then step S910, if be no to wherein content answer, then said method directly arrives step S950 and step S960.

The present invention is described by preferred embodiment, but is appreciated that it is not limited in this.Any person that is familiar with technique, without departing from the spirit and scope of the present invention, does impartial change and modification, all belongs to covering scope of the present invention.

Claims (15)

1. a radio communication device, utilize shared antenna to communicate with multi-play Services network, this radio communication device comprises:

First processor logical block, when the service district utilizing multiple first time slot by the second business network performs wireless receiving and dispatching, for detect associate with the first business network of first user identification card without service condition, wherein current this second business network resident of the second Subscriber Identity Module;

Second processor logic unit, performs for from this power scan without business recovering state for utilizing one or more second time slots except the plurality of first time slot; And

3rd processor logic unit, when the signal strength signal intensity of this service district this second business network being detected is less than predetermined threshold value, performs neighbor cell power for utilizing this one or more second time slot untapped and measures in this second business network.

2. radio communication device as claimed in claim 1, it is characterized in that, the 3rd processor logic unit determines this signal strength signal intensity of this service district of this second business network by the power level of this service district detecting this second business network.

3. radio communication device as claimed in claim 2, it is characterized in that, the second number of timeslots for this power scan can be set in configurable ratio according to this power level of this service district of this second business network with the second number of timeslots measured for this neighbor cell power.

4. radio communication device as claimed in claim 1, is characterized in that, each in this first business network and this second business network is all GPRS network or enhanced data rates global system for mobile communications network.

5. radio communication device as claimed in claim 1, it is characterized in that, comprise further: four-processor logical block, when this association with this first business network not detected without service condition during this wireless receiving and dispatching at this second business network, this four-processor logical block utilizes this one or more second time slot in this second business network, perform neighbor cell power and measures.

6. recover an operational approach, recover the business with the first business network for utilizing when radio communication device to share while antenna carries out communicating with the second business network, the method comprises:

When performing the wireless receiving and dispatching of service district of this second business network, detect associate with this first business network of first user identification card without service condition, wherein the second user identification code utilizes this service district of current this second business network resident of multiple first time slot; And

Utilizing one or more second time slots except the plurality of first time slot to perform is used for from this power scan without business recovering state;

Wherein, when the signal strength signal intensity of this service district this second business network being detected is less than predetermined threshold value, utilizes this one or more second time slot untapped in this second business network, perform neighbor cell power and measure.

7. recover operational approach as claimed in claim 6, it is characterized in that, determined this signal strength signal intensity of this service district of this second business network by the power level of this service district detecting this second business network.

8. recover operational approach as claimed in claim 7, it is characterized in that, the second number of timeslots for this power scan can be set in configurable ratio according to this power level of this service district of this second business network with the second number of timeslots measured for this neighbor cell power.

9. recover operational approach as claimed in claim 6, it is characterized in that, each of this first business network and this second business network is all GPRS network or enhanced data rates global system for mobile communications evolvement network.

10. recover operational approach as claimed in claim 6, it is characterized in that, comprise further: when not detecting this association with this first business network without service condition during this wireless receiving and dispatching at this second business network, utilize this one or more second time slot in this second business network, perform neighbor cell power and measure.

11. 1 kinds of radio communication devices, utilize shared antenna to communicate with multi-play Services network, this radio communication device comprises:

First processor logical block, when detecting that first user identification card has entered without service condition, perform power scan at least one in multiple time slot, at least one in the plurality of time slot arranges the non-grouping switch data transmitting-receiving being used for the second Subscriber Identity Module; And

Second processor logic unit, for attempting the business recovering this first user identification card after this power scan;

Wherein, this first processor logical block performs this power scan to respond the detection signal strength of the current resident service district of this second Subscriber Identity Module, wherein current this resident service district of this second Subscriber Identity Module this detection signal strength be not less than predetermined threshold value.

12. radio communication devices as claimed in claim 11, is characterized in that, originally arrange at least one execution in the plurality of time slot to measure for the neighbor cell power of this second Subscriber Identity Module.

13. radio communication devices as claimed in claim 11, is characterized in that, determine being somebody's turn to do of current this resident service district of this second Subscriber Identity Module by the power level detecting current this resident service district of this second Subscriber Identity Module detectsignal strength signal intensity.

14. radio communication devices as claimed in claim 13, it is characterized in that, this predetermined threshold value is-90dBm.

15. radio communication devices as claimed in claim 11, it is characterized in that, first community of current resident first business network of this first user identification card, and this second Subscriber Identity Module previously resident second business network, each of this first business network and this second business network is all GPRS network or enhanced data rates global system for mobile communications evolvement network.