CN105682165A - Redirecting method and device - Google Patents
Redirecting method and device Download PDFInfo
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- CN105682165A CN105682165A CN201610067909.8A CN201610067909A CN105682165A CN 105682165 A CN105682165 A CN 105682165A CN 201610067909 A CN201610067909 A CN 201610067909A CN 105682165 A CN105682165 A CN 105682165A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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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
Abstract
The embodiment of the invention provides a redirecting method and device, and relates to the technical field of communications. The method comprises the following steps: receiving a redirecting message, wherein the redirecting message carries N target frequency points; detecting whether the N target frequency points are prohibited frequency points or not; and if the N target frequency points are all the prohibited frequency points, prohibiting redirection to a target network corresponding to the N target frequency points, and keeping residing in an original network. Through adoption of the redirecting method and device, the problem of increase of the power consumption of UE (User Equipment) since the UE still needs to synchronize the target frequency points and fails in synchronization once again when the UE fails in synchronizing the target frequency points and the redirecting message received once again afterwards still includes the target frequency points is solved, and the effect of lowering the power consumption of the UE is achieved.
Description
Technical field
The present invention relates to communication technical field, particularly to a kind of reorientation method and device.
Background technology
Subscriber equipment is (English: UserEquipment; It is called for short: UE) reside in the CDMA multiple address and carrier using a pair 1.25MHz radio channel (English: CodeDivisionMultipleAccessMulti-Carrier1x; It is called for short: during the network that CDMA20001x) system provides, if the dtr signal of this network, then the base station of this network can send to UE and redirect message, to indicate UE to leave currently resident network, is again linked in the objective network redirected indicated by message.
When realizing, UE receives after redirecting message, is redirected to objective network, and this process includes first synchronizing at least one target frequency entrained in this redirection message, more resident in objective network. Wherein, UE synchronizes the process of each target frequency: UE obtains a target frequency, the frequency consistent with this target frequency is searched for from least one frequency self prestored, after frequency sweep, pilot tone process, synchronizing channel is set up in base station corresponding with objective network for UE, so far, the process of UE synchronization target frequency terminates. The resident process to objective network of UE is: after UE sets up synchronizing channel, UE obtains network identity and the system banner of objective network, determine the need for residing in objective network according to this network identity and system banner, if desired reside in objective network, common signal channel is set up in then corresponding with objective network base station, is obtained the relevant information of network by this common signal channel, so far, UE is resident to objective network success, namely UE is redirected to objective network success.
The target frequency corresponding due to different systems is likely to identical, therefore, in order to avoid the system of network belonging actual resident for UE is not redirect the system belonging to the objective network indicated by message, UE is after successful synchronization target frequency, in addition it is also necessary to whether the system detecting this actual resident network belonging is redirect the system belonging to objective network indicated by message. When the system of this actual resident network belonging is not redirect the system belonging to the objective network indicated by message, UE is after synchronizing all of target frequency, determine that this is redirected to objective network failure, synchronize original frequency according to the instruction redirecting message, resident in primitive network.Afterwards, if the redirection message that base station sends again being carried last time redirect failed target frequency, then the system of UE actual resident network belonging again is not still redirect the system belonging to objective network indicated by message, terminal is redirected to objective network failure again, then, again it is redirected to primitive network, so circulates.
In above-mentioned redirection process, synchronizing target frequency and original frequency due to UE, it is necessary to constantly with base station alternately, thus increasing the power consumption of UE always.
Summary of the invention
In order to solve the problem in correlation technique, embodiments provide a kind of reorientation method and device. This technical scheme is as follows:
First aspect, it is provided that a kind of reorientation method, the method includes:
UE receives the redirection message carrying N number of target frequency, detect whether this N number of target frequency is all prohibited from frequency, if this N number of target frequency is all prohibited from frequency, then forbid being redirected in this objective network corresponding to N number of target frequency, continue to reside in primitive network, wherein, this forbids that frequency is the target frequency forbidding within a predetermined period of time due to synchronization failure synchronizing, and this primitive network is network resident before receiving redirection message.
The embodiment of the present invention, redirect whether the N number of target frequency carried in message is all forbid that due to synchronization failure what synchronize forbids frequency within a predetermined period of time by detecting, when N number of target frequency is all prohibited from frequency, if UE continues to synchronize this N number of target frequency, still can synchronization failure, therefore, UE forbids synchronizing this N number of target frequency, continue to reside in primitive network, solve UE and synchronize the failure of target frequency, and when the redirection message again received later still includes this target frequency, UE need nonetheless remain for synchronizing this target frequency, synchronization failure again, the problem increasing the power consumption of UE, reach the effect of the power consumption reducing UE.
In the first possible embodiment of first aspect, before UE continues to reside in primitive network, UE reads the enable labelling prestored, and this enable labelling is used to indicate whether to synchronize the frequency in optimum roaming list PRL; If the instruction of this enable labelling synchronizes the frequency in PRL, then UE synchronizes the frequency in PRL, resident in the network synchronized corresponding to successful frequency; If this enable labelling indicates the frequency in asynchronous PRL, then forbid synchronizing the frequency in PRL, continue to reside in primitive network.
The embodiment of the present invention, it is used to indicate whether to synchronize the enable labelling of PRL table intermediate-frequeney point by prestoring in UE, if this enable labelling instruction UE synchronizes the frequency in PRL table, then UE can when synchronizing target frequency failure, continue to synchronize the frequency in this PRL table, solve UE when synchronizing target frequency failure, need subsynchronous original frequency again, the problem being continuing with the poor primitive network of network signal, reach control UE and be redirected in other networks, to use the effect of the good network of network signal.
In conjunction with the first possible implementation of first aspect, in the implementation that the second of first aspect is possible, synchronize the frequency in PRL, including:
UE reads the synchronization parameter prestored, and this synchronization parameter is for indicating the frequency synchronizing in PRL immediately, or synchronizes the frequency in PRL after the scheduled duration of interval; If the instruction of this synchronization parameter synchronizes the frequency in PRL immediately, then UE synchronizes the frequency in PRL immediately; If the instruction of this synchronization parameter synchronizes the frequency in PRL after the scheduled duration of interval, then UE starts intervalometer and starts timing, when timing reaches scheduled duration, synchronizes the frequency in PRL.
The embodiment of the present invention, the frequency in PRL is synchronized after indicating UE interval scheduled duration by synchronization parameter, make the UE can be different from the frequency in PRL at the frequency that the network being currently located is corresponding, when causing synchronizing the frequency failure in PRL, the frequency in PRL can be resynchronized by certain interval of time, to reduce the frequency of the frequency synchronized in PRL, thus reducing the number of times that the frequency synchronized in PRL is failed, solve when the frequency that the network being currently located is corresponding is different from the frequency in PRL, synchronize the frequency in PRL immediately, the number of times causing the frequency in synchronization PRL failed is more, the problem increasing UE power consumption, reach the effect of the power consumption reducing UE.
In conjunction with the first possible embodiment of first aspect, or, the embodiment that the second of first aspect is possible, in the third possible embodiment of first aspect, the method also includes:
If each frequency synchronized in PRL is all failed, then UE synchronizes the original frequency that primitive network is corresponding, resident in primitive network.
The embodiment of the present invention, during by all failures of all frequencies in synchronizing PRL, synchronize the original frequency that primitive network is corresponding, make the UE can when being redirected to other network failures, resident to primitive network, when solving all failures of the UE all frequencies in synchronizing target frequency and PRL, it does not have network that can be resident, thus cannot the problem of normal cluster, reached the effect of the success rate improving UE networking.
In the 4th kind of possible embodiment of first aspect, after detecting N number of target frequency and whether being all prohibited from frequency, also include:
If M target frequency in N number of target frequency is not prohibited from frequency, then UE synchronizes this M target frequency; When any one the target frequency success synchronized in M target frequency, UE is resident in the objective network corresponding to this target frequency; When each target frequency synchronized in M target frequency all failures, UE synchronizes the original frequency that primitive network is corresponding, resident in primitive network.
The embodiment of the present invention, when not being prohibited from frequency by M target frequency in N number of target frequency, synchronize this M target frequency, when synchronizing any one target frequency success, in the resident objective network corresponding to this target frequency, when synchronizing the failure of each target frequency, synchronize the original frequency that primitive network is corresponding, make UE when synchronizing target frequency success, may reside within objective network, solve and reside in primitive network, the problem of network signal difference, reach to use the effect of the good network of network signal; Make UE when synchronizing target frequency failure, it is possible to synchronize original frequency, solve UE when synchronizing target frequency failure, it does not have network that can be resident, thus cannot the problem of normal cluster, reached the effect of the success rate improving UE networking.
In conjunction with the 4th kind of possible implementation of first aspect, in the 5th kind of possible embodiment of first aspect, synchronize the original frequency that this primitive network is corresponding, resident after primitive network, also include:
UE records the synchronization failure number of times of each target frequency in M target frequency; For each target frequency in M target frequency, whether detect the synchronization failure number of times of this target frequency equal to predetermined threshold value; If the synchronization failure number of times of this target frequency is equal to predetermined threshold value, then UE is by this target frequency point setting for forbidding frequency, and resets the synchronization failure number of times of this target frequency.
The embodiment of the present invention, by arranging predetermined threshold value in UE, when the synchronization failure number of times synchronizing certain target frequency is equal to predetermined threshold value, by this target frequency point setting for forbidding frequency, solve UE and synchronizing this target frequency failure, and when the redirection message received later still includes this target frequency, UE need nonetheless remain for synchronizing this target frequency, synchronization failure again, the problem increasing the power consumption of UE, reach the effect of the power consumption reducing UE.
In conjunction with the 4th kind of possible implementation of first aspect, in the 6th kind of possible embodiment of first aspect, synchronizing original frequency corresponding to primitive network, resident in primitive network after, also include:
If resident failure in primitive network, then UE synchronizes the frequency in PRL; When any one the frequency success synchronized in PRL, UE is resident in the network corresponding to this frequency; When each frequency synchronized in PRL all failures, after the predetermined amount of time of interval, UE continues executing with the step of the frequency synchronized in PRL.
The embodiment of the present invention, by in being redirected to primitive network failure time, synchronize the frequency in PRL, make the UE can when being redirected to primitive network failure, attempt synchronizing other frequencies in PRL after the predetermined amount of time of interval, if solving UE to synchronize the failure of original frequency, then do not have can be resident network, thus cannot the problem of normal cluster, reached the effect of the success rate improving UE networking.
Second aspect, it is provided that a kind of redirection device, this redirection device includes:
Receiving unit, be used for receiving redirection message, carry N number of target frequency in this redirection message, N is positive integer;
Detection unit, for detecting whether the N number of target frequency receiving unit reception is all prohibited from frequency, this forbids that frequency is the target frequency forbidding within a predetermined period of time due to synchronization failure synchronizing;
Resident element, for when detecting unit and detecting that N number of target frequency is all prohibited from frequency, forbidding being redirected in the objective network corresponding to N number of target frequency, continue to reside in primitive network, this primitive network is network resident before receiving redirection message.
The embodiment of the present invention, redirect whether the N number of target frequency carried in message is all forbid that due to synchronization failure what synchronize forbids frequency within a predetermined period of time by detecting, when N number of target frequency is all prohibited from frequency, if UE continues to synchronize this N number of target frequency, still can synchronization failure, therefore, UE forbids synchronizing this N number of target frequency, continue to reside in primitive network, solve UE and synchronize the failure of target frequency, and when the redirection message again received later still includes this target frequency, UE need nonetheless remain for synchronizing this target frequency, synchronization failure again, the problem increasing the power consumption of UE, reach the effect of the power consumption reducing UE.
In the first possible embodiment of second aspect, this device also includes:
Reading unit, for reading the enable labelling prestored, this enable labelling is used to indicate whether to synchronize the frequency in optimum roaming list PRL;
Lock unit, for reading when enabling the frequency that labelling instruction synchronizes in PRL of unit reading, synchronizing the frequency in PRL, resident in the network corresponding to the successful frequency of synchronization;
Lock unit, is additionally operable to when reading the frequency enabled in the labelling asynchronous PRL of instruction that unit reads, then forbid synchronizing the frequency in PRL, continue to reside in primitive network.
The embodiment of the present invention, it is used to indicate whether to synchronize the enable labelling of PRL table intermediate-frequeney point by prestoring in UE, if this enable labelling instruction UE synchronizes the frequency in PRL table, then UE can when synchronizing target frequency failure, continue to synchronize the frequency in this PRL table, solve UE when synchronizing target frequency failure, need subsynchronous original frequency again, the problem being continuing with the poor primitive network of network signal, reach control UE and be redirected in other networks, to use the effect of the good network of network signal.
The first possible implementation in conjunction with second aspect, in the embodiment that the second of second aspect is possible, this reading unit, it is additionally operable to read the synchronization parameter prestored, synchronization parameter is for indicating the frequency synchronizing in PRL immediately, or synchronizes the frequency in PRL after the scheduled duration of interval;
This lock unit, during specifically for synchronizing the frequency in PRL immediately in the synchronization parameter instruction reading unit reading, synchronizes the frequency in PRL immediately;
This lock unit, is additionally operable to when reading synchronization parameter instruction frequency in synchronization PRL after the scheduled duration of interval that unit reads, then start intervalometer and start timing, when timing reaches scheduled duration, synchronize the frequency in PRL.
The embodiment of the present invention, the frequency in PRL is synchronized after indicating UE interval scheduled duration by synchronization parameter, make the UE can be different from the frequency in PRL at the frequency that the network being currently located is corresponding, when causing synchronizing the frequency failure in PRL, the frequency in PRL can be resynchronized by certain interval of time, to reduce the frequency of the frequency synchronized in PRL, thus reducing the number of times that the frequency synchronized in PRL is failed, solve when the frequency that the network being currently located is corresponding is different from the frequency in PRL, synchronize the frequency in PRL immediately, the number of times causing the frequency in synchronization PRL failed is more, the problem increasing UE power consumption, reach the effect of the power consumption reducing UE.
The first possible embodiment in conjunction with second aspect, or, the embodiment that the second of second aspect is possible, in the third possible embodiment of second aspect, this lock unit, when being additionally operable to all failures of each frequency in synchronizing PRL, synchronize the original frequency that primitive network is corresponding, resident in primitive network.
The embodiment of the present invention, during by all failures of all frequencies in synchronizing PRL, synchronize the original frequency that primitive network is corresponding, make the UE can when being redirected to other network failures, resident to primitive network, when solving all failures of the UE all frequencies in synchronizing target frequency and PRL, it does not have network that can be resident, thus cannot the problem of normal cluster, reached the effect of the success rate improving UE networking.
In the 4th kind of possible embodiment of second aspect, this lock unit, it is additionally operable to, when M the target frequency that detection unit detects in N number of target frequency is not prohibited from frequency, synchronize this M target frequency, M is positive integer;
This resident element, during specifically for synchronizing any one the target frequency success in M target frequency when lock unit, resident in the objective network corresponding to target frequency;
This resident element, is additionally operable to, when lock unit synchronizes all failures of each target frequency in M target frequency, synchronize the original frequency that primitive network is corresponding, resident in primitive network.
The embodiment of the present invention, when not being prohibited from frequency by M target frequency in N number of target frequency, synchronize this M target frequency, when synchronizing any one target frequency success, it is redirected in the objective network that this target frequency is corresponding, when synchronizing the failure of each target frequency, synchronize the original frequency that primitive network is corresponding, make UE when synchronizing target frequency success, may reside within objective network, solve and reside in primitive network, the problem of network signal difference, reach to use the effect of the good network of network signal; Make UE when synchronizing target frequency failure, it is possible to synchronize original frequency, solve UE when synchronizing target frequency failure, it does not have network that can be resident, thus cannot the problem of normal cluster, reached the effect of the success rate improving UE networking.
In conjunction with the 4th kind of possible implementation of second aspect, in the 5th kind of possible embodiment of second aspect, this device also includes:
Record unit, for recording the synchronization failure number of times of each target frequency in M target frequency;
This detection unit, specifically for for each target frequency in M target frequency, whether the synchronization failure number of times of the target frequency of detection recording unit records is equal to predetermined threshold value;
Unit is set, for when detecting unit and detecting the synchronization failure number of times of target frequency equal to predetermined threshold value, by target frequency point setting for forbidding frequency, and resetting the synchronization failure number of times of target frequency.
The embodiment of the present invention, by arranging predetermined threshold value in UE, when the synchronization failure number of times synchronizing certain target frequency is equal to predetermined threshold value, by this target frequency point setting for forbidding frequency, solve UE and synchronizing this target frequency failure, and when the redirection message received later still includes this target frequency, UE need nonetheless remain for synchronizing this target frequency, synchronization failure again, the problem increasing the power consumption of UE, reach the effect of the power consumption reducing UE.
In conjunction with the 4th kind of possible implementation of second aspect, in the 6th kind of possible embodiment of second aspect, this lock unit, when being additionally operable to failure in being synchronized to primitive network, synchronize the frequency in PRL;
This resident element, is additionally operable to when lock unit synchronizes any one the frequency success in PRL, resident in the network corresponding to frequency;
This lock unit, is additionally operable to, when each frequency synchronized in PRL all failures, continue executing with the step of the frequency synchronized in PRL after the predetermined amount of time of interval.
The embodiment of the present invention, by in being redirected to primitive network failure time, synchronize the frequency in PRL, make UE can resident to primitive network failure time, attempt synchronizing other frequencies in PRL after the predetermined amount of time of interval, if solving UE to synchronize the failure of original frequency, then do not have can be resident network, thus cannot the problem of normal cluster, reached the effect of the success rate improving UE networking.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the scene schematic diagram of the cordless communication network that the present invention one exemplary embodiment provides;
Fig. 2 is the structural representation of the UE that the present invention one exemplary embodiment provides;
Fig. 3 is the flow chart of the reorientation method that the present invention one exemplary embodiment provides;
Fig. 4 is the flow chart of the reorientation method that another exemplary embodiment of the present invention provides;
Fig. 5 is the structure chart of the redirection device that another exemplary embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Referenced herein " unit " refers to the functional structure logically divided, and should " unit " can be realized by pure hardware, or, being implemented in combination with of software and hardware.
Refer to Fig. 1, it illustrates the scene schematic diagram of the cordless communication network 100 that the present invention one exemplary embodiment provides, the network that this cordless communication network 100 can provide for CDMA20001x system.It is (English: EvolvedNodeB that cordless communication network 100 can include several enode b; ENB) 110, UE120, network controller 130 and other network entity it is called for short:. ENB110 can be the base station communicated with UE120 and can be referred to as base station, node B, access point etc., illustrates for base station in the following examples. Each eNB110 can provide the communication overlay for concrete geographic area. Term " community " also refers to the overlay area of eNB and/or services the overlay area of eNB subsystem of this overlay area, this context depending on using term.
In the example shown in fig. 1, eNB110a, eNB110b and eNB110c can be the eNB for community 102a, 102b and 102c respectively.
Network controller 130 is alternatively coupled to the set of eNB110 and provides coordination for these eNB110 and control. Network controller 130 can communicate with eNB110 via backhaul. ENB110 can also either directly or indirectly communicate via wireless backhaul or wire-line back haul each other.
UE120 can be dispersed in whole cordless communication network 100, and each UE120 can be static or movement. UE120 is also referred to as terminal, movement station, subscri er unit, stands. UE120 can be cell phone, personal digital assistant (English: PersonalDigitalAssistant; Be called for short: PDA), wireless modem, Wireless Telecom Equipment, handheld device, laptop computer, wireless phone, WLL (English: WirelessLocalLoop; It is called for short: WLL) stand, smart phone, panel computer, net book, smartbook, super basis, instrument and meter/sensor/watch-dog (such as: energy meter, water meter, heart rate monitor, temperature sensor, humidity sensor, location equipment) etc.
In FIG, the solid line with double-head arrow indicates the desired transmission between UE120 and service eNB110, and service eNB110 is designated as servicing on the downlink and uplink the eNB of UE120; There is the interference transmission between dotted line instruction UE120 and eNB110 of double-head arrow.
Refer to Fig. 2, it illustrates the structural representation of the UE120 that one embodiment of the invention provides. UE120 may include that the parts such as processor 140, memorizer 150, receptor 160 and emitter 170.
It will be understood by those skilled in the art that the UE structure shown in Fig. 2 is not intended that the restriction to UE, it is possible to include ratio and illustrate more or less of parts, or combine some parts, or different parts are arranged. Wherein:
Processor 140 is the control centre of UE120, utilize various interface and the various piece of the whole UE of connection, it is stored in the software program in memorizer 150 and/or module by running or performing, and call the data being stored in memorizer 150, perform the various functions of UE120 and process data, thus UE120 being carried out overall control. Optionally, processor 140 can include one or more process core; Optionally, processor 140 can integrated application processor and modem processor, wherein, application processor mainly processes operating system, user interface and application program etc., and modem processor mainly processes radio communication. It is understood that above-mentioned modem processor can not also be integrated in processor 140.
Memorizer 150 can be used for storing software program and module. Processor 150 is stored in software program and the module of memorizer 150 by running, thus performing the application of various function and data process.Memorizer 150 can mainly include storage program area and storage data field, wherein, storage program area can store operating system 151, detection module 152, resident module 153, read module 154, synchronization module 155, logging modle 156 and arrange the application program 158 (such as sound-playing function, image player function etc.) etc. needed for module 157 and each function, storage data field can store the data (such as voice data, phone directory etc.) etc. that the use according to UE120 creates. in addition, memorizer 150 can be realized by any kind of volatibility or non-volatile memory device or their combination, as static RAM is (English: StaticRandomAccessMemory, it is called for short: SRAM), Electrically Erasable Read Only Memory is (English: ElectricallyErasableProgrammableRead-OnlyMemory, it is called for short: EEPROM), Erasable Programmable Read Only Memory EPROM is (English: ErasableProgrammableReadOnlyMemory, it is called for short: EPROM), programmable read only memory is (English: ProgrammableRead-OnlyMemory, it is called for short: PROM), read only memory is (English: ReadOnlyMemory, it is called for short: ROM), magnetic memory, flash memory, disk or CD. correspondingly, memorizer 150 can also include Memory Controller, to provide the processor 140 access to memorizer 150.
Receptor 160 is for receiving the data from base station, and these data are sent to processor 140 and process, or is sent in memorizer 150 and stores, and this receptor 160 can be implemented as reception antenna.
Emitter 170 for sending the data in processor 140 to base station, it is also possible to for sending the data of storage in memorizer 150, this emitter 170 can be implemented as transmitting antenna.
UE120 also includes the power supply (not shown) powered to all parts, preferably, it is logically contiguous with processor 140 that power supply can pass through power-supply management system, realizes the functions such as management charging, electric discharge and power managed thereby through power-supply management system. Power supply can also include one or more direct current or alternating current power supply, recharging system, power failure detection circuit, power supply changeover device or the random component such as inverter, power supply status indicator.
Although not shown, UE120 can also include photographic head, bluetooth module etc., does not repeat them here.
Refer to Fig. 3, it illustrates the flow chart of the reorientation method that the present invention one exemplary embodiment provides. The present embodiment for illustrating in wireless communication 100 as shown in Figure 1, is performed following step by UE120 as shown in Figure 2 in this way, and the method includes following step:
Step 301, receives and redirects message, carry N number of target frequency in this redirection message, and N is positive integer.
Step 302, detects whether this N number of target frequency is all prohibited from frequency, and this forbids that frequency is the target frequency forbidding within a predetermined period of time due to synchronization failure synchronizing.
Step 303, if this N number of target frequency is all prohibited from frequency, then forbids being redirected in the objective network corresponding to N number of target frequency, continues to reside in primitive network, and this primitive network is network resident before receiving redirection message.
In sum, the reorientation method that the embodiment of the present invention provides, redirect whether the N number of target frequency carried in message is all forbid that due to synchronization failure what synchronize forbids frequency within a predetermined period of time by detecting, when N number of target frequency is all prohibited from frequency, if UE continues to synchronize this N number of target frequency, still can synchronization failure, therefore, UE forbids synchronizing this N number of target frequency, continue to reside in primitive network, solve UE and synchronize the failure of target frequency, and when the redirection message again received later still includes this target frequency, UE need nonetheless remain for synchronizing this target frequency, synchronization failure again, the problem increasing the power consumption of UE, reach the effect of the power consumption reducing UE.
Refer to Fig. 4, it illustrates the flow chart of the reorientation method that another exemplary embodiment of the present invention provides. The present embodiment for illustrating in wireless communication 100 as shown in Figure 1, is performed following step by UE120 as shown in Figure 2 in this way, and the method includes following step:
Step 401, receives and redirects message, carry N number of target frequency in this redirection message, and N is positive integer.
Base station at least includes herein below to the UE redirection message sent: instruction UE is redirected to network identification code (English: the NetworkIdentificationCode of the target frequency bands of objective network, the target frequency list comprising N number of target frequency, total number N of target frequency, objective network; Be called for short: NID), the systematic identification code of this objective network said system (English: SystemIdentificationCode; Be called for short: SID) and instruction UE to be redirected to the failure of target frequency (English: ReturnIfFailIndicator the need of returning primal system identifier; It is called for short: RETURN_IF_FAIL).
In this enforcement, UE, after receiving redirection message, first detects whether the target frequency bands supporting to carry in this redirection message, and whether total number N of target frequency is 0, when UE supports this target frequency bands, and when N is not 0, it is determined that can be redirected in objective network. It should be noted that the RETURN_IF_FAIL in the present embodiment is used for indicating UE when being redirected to objective network failure, resident to primitive network, to ensure that UE can normal cluster.
Step 402, detects whether this N number of target frequency is all prohibited from frequency, and this forbids that frequency is the target frequency forbidding within a predetermined period of time due to synchronization failure synchronizing.
Forbid that frequency is the target frequency being set to due to synchronization failure forbid synchronizing within a predetermined period of time, when the N number of target frequency carried in redirecting message is all prohibited from frequency, if UE continues to synchronize this N number of target frequency, still can synchronization failure, therefore, UE can this N number of target frequency asynchronous, continue to reside in primitive network, to reduce the power consumption of UE.
Wherein, the situation that UE synchronizes target frequency failed can be: is stored in client identification module (English: SubscriberIdentityModule; Be called for short: UIM) or universal subscriber identity module (English: UniversalSubscriberIdentityModule; It is called for short: the optimum roaming list in USIM) is (English: PreferredRoamingList; It is called for short: PRL) be absent from this target frequency, or although PRL exists target frequency, but, in PRL storage from the SID corresponding to target frequency and to redirect in message the SID carried different, and storage different from the NID carried in the NID corresponding to target frequency and redirection message in PRL.
When frequency is forbidden in setting, UE can arrange the predetermined threshold value to target frequency synchronization failure and predetermined amount of time, when UE synchronization failure number of times reaches this predetermined threshold value, UE reads this predetermined amount of time, arranges this target frequency in this predetermined amount of time for forbidding frequency. Wherein, forbid that frequency can be arranged on non-volatile (English: Nonvolatile; It is called for short: in NV).
Such as, predetermined threshold value is 3 times, and predetermined amount of time is 5 minutes, then when UE receives, in first time, the redirection message carrying target frequency a, and when synchronizing target frequency a failure, synchronization failure number of times is designated as 1;When UE receives, in second time, the redirection message carrying target frequency a, and when synchronizing target frequency a failure, synchronization failure number of times is designated as 2; When UE receives, in third time, the redirection message carrying target frequency a, and when synchronizing target frequency a failure, synchronization failure number of times is designated as 3, now synchronization failure number of times reaches predetermined threshold value, determine and start from current time and predetermined amount of time that duration is 5 minutes, target frequency a is set to the frequency of forbidding in this predetermined amount of time, resets synchronization failure number of times.
When detecting N number of target frequency and whether being all prohibited from frequency, can by the N number of target frequency redirected in message successively with NV in arrange forbid that frequency compares, when M the target frequency detected in this N number of target frequency is not prohibited from frequency, perform step 403; When detecting that this N number of target frequency is all prohibited from frequency, perform step 409.
Step 403, if M target frequency in N number of target frequency is not prohibited from frequency, then synchronizes this M target frequency.
When M target frequency is not prohibited from frequency, illustrate UE may in this M target frequency of successful synchronization one, now, UE synchronizes this M target frequency successively, until stopping when synchronizing any one target frequency success, performs step 404; Or, until stopping when synchronizing all failures of all of M target frequency, perform step 405.
Step 404, when any one the target frequency success synchronized in M target frequency, resident in the objective network corresponding to this target frequency, process ends.
Wherein, the resident technology in the objective network corresponding to target frequency of UE is highly developed, and the present embodiment does not repeat.
Step 405, when each target frequency synchronized in M target frequency all failures, synchronizes the original frequency that primitive network is corresponding, resident in primitive network.
In order to ensure UE can normal cluster, when synchronizing target frequency failure, UE synchronizes original frequency, resident in primitive network to realize.
Optionally, after step 405, the method that the present embodiment provides, also include:
1) the synchronization failure number of times of each target frequency in M target frequency of record;
2) for each target frequency in this M target frequency, whether the synchronization failure number of times of detection target frequency is equal to predetermined threshold value;
3) if the synchronization failure number of times of target frequency is equal to predetermined threshold value, then by this target frequency point setting for forbidding frequency, and synchronization failure number of times is reset.
Target frequency owing to carrying in each redirection message is likely to difference, and therefore, the synchronization failure number of times of this M target frequency is likely to difference. Such as, first time redirects in message and carries target frequency a and b, second time redirects in message and carries target frequency a, b and c, and all target frequencies that UE synchronizes this twice to redirect in message are all failed, then the synchronization failure number of times of target frequency a and b is all 2, and the synchronization failure number of times of target frequency c is 1.
UE can read the synchronization failure number of times of each target frequency in this previously recorded M target frequency, and adds 1 by each synchronization failure number of times, again records the synchronization failure number of times of this M target frequency. Afterwards, the synchronization failure number of times of the more each target frequency of UE and predetermined threshold value, when synchronization failure number of times is equal to predetermined threshold value, realize flow process such as what step 402 was recorded, UE by this target frequency point setting for forbidding frequency; When synchronization failure number of times is less than predetermined threshold value, this target frequency is not processed by UE.
Step 406, if resident failure in primitive network, then synchronizes the frequency in PRL.
Owing to UE is likely to away from primitive network, therefore, UE is resident may be failed to primitive network, and now, UE can synchronize the frequency in PRL, to ensure that UE can normal cluster.
Step 407, when any one the frequency success synchronized in PRL, resident in the network corresponding to this frequency, flow process terminates.
Step 408, when each frequency synchronized in PRL all failures, continues executing with the step of the frequency synchronized in PRL in step 406 after the predetermined amount of time of interval.
In order to ensure that UE can network, when UE synchronizes all failures of each frequency in PRL, interval predetermined amount of time Posterior circle synchronizes the frequency in PRL, stops in new network until resident. Wherein, predetermined amount of time is preset in UE, and the numerical value of predetermined amount of time is not construed as limiting by the present embodiment.
Step 409, if this N number of target frequency is all prohibited from frequency, then forbids being redirected in the objective network corresponding to N number of target frequency, continues to reside in primitive network, and this primitive network is network resident before receiving redirection message.
If N number of target frequency that redirection message is carried all is prohibited from frequency, causing that UE synchronizes this N number of target frequency failure, therefore, UE forbids synchronizing this N number of target frequency, continues to reside in primitive network.
Optionally, UE can also synchronize the frequency in PRL, controls UE and is redirected in other networks, to use the good network of network signal, it is ensured that UE can normal cluster, now, perform step 410.
Step 410, reads the enable labelling prestored, and this enable labelling is used to indicate whether to synchronize the frequency in PRL.
UE reads the enable labelling prestored in NV, if the frequency that should enable in the labelling instruction asynchronous PRL of UE, then performs step 411; If this enable labelling instruction UE synchronizes the frequency in PRL, then perform step 412.
Step 411, if enabling labelling to indicate the frequency in asynchronous PRL, then forbids synchronizing the frequency in PRL, continues to reside in primitive network, and flow process terminates.
Step 412, if this enable labelling instruction UE synchronizes the frequency in PRL, then reads the synchronization parameter prestored, and this synchronization parameter is for indicating the frequency synchronizing in PRL immediately, or synchronizes the frequency in PRL after the scheduled duration of interval.
When synchronizing the frequency in PRL, in a kind of possible implementation, UE can synchronize the frequency in PRL immediately, to improve the UE efficiency being redirected in other networks. Owing to the UE all frequencies being likely to synchronize in PRL are all failed, afterwards, UE may frequency in circulation synchronous PRL, continue synchronization failure, thus adding the power consumption of UE. Now, in alternatively possible implementation, UE can synchronize the frequency in PRL after the scheduled duration of interval, to reduce the frequency of the frequency synchronized in PRL, thus reducing the number of times that the frequency synchronized in PRL is failed, reduces the power consumption of UE. Therefore, UE can arrange synchronization parameter in advance in NV, and being indicated by synchronization parameter is synchronize the frequency in PRL immediately, or synchronizes the frequency in PRL after the scheduled duration of interval.
UE, after determining that this enable labelling instruction UE synchronizes the frequency in PRL, first reads synchronization parameter. The content of parameter of this synchronization parameter can be scheduled duration, when this scheduled duration is zero, represents the frequency synchronizing in PRL immediately, when this scheduled duration non-zero, synchronizes the frequency in PRL after representing this scheduled duration of interval.
If the instruction of this synchronization parameter synchronizes the frequency in PRL immediately, then perform step 413; If the instruction of this synchronization parameter synchronizes the frequency in PRL after the scheduled duration of interval, then perform step 414.
Step 413, if the instruction of this synchronization parameter synchronizes the frequency in PRL immediately, then synchronizes the frequency in PRL immediately.
Step 414, if the instruction of this synchronization parameter synchronizes the frequency in PRL after the scheduled duration of interval, starts intervalometer and starts timing, when timing reaches scheduled duration, synchronize the frequency in PRL.
Step 415, if the frequency success synchronized in PRL, then resident in the network synchronized corresponding to successful frequency, flow process terminates.
Step 416, if each frequency synchronized in PRL is all failed, then synchronizes the original frequency that primitive network is corresponding, resident in primitive network.
If each frequency synchronized in PRL is all failed, then UE cannot be redirected in new network, in order to ensure UE can normal cluster, now, UE can synchronize the original frequency that primitive network is corresponding, resident in primitive network.
In sum, the reorientation method that the embodiment of the present invention provides, redirect whether the N number of target frequency carried in message is all forbid that due to synchronization failure what synchronize forbids frequency within a predetermined period of time by detecting, when N number of target frequency is all prohibited from frequency, if UE continues to synchronize this N number of target frequency, still can synchronization failure, therefore, UE forbids synchronizing this N number of target frequency, continue to reside in primitive network, solve UE and synchronize the failure of target frequency, and when the redirection message again received later still includes this target frequency, UE need nonetheless remain for synchronizing this target frequency, synchronization failure again, the problem increasing the power consumption of UE, reach the effect of the power consumption reducing UE.
Additionally, it is used to indicate whether to synchronize the enable labelling of PRL table intermediate-frequeney point by prestoring in UE, if this enable labelling instruction UE synchronizes the frequency in PRL table, then UE can, when synchronizing target frequency failure, continue to synchronize the frequency in this PRL table, solves UE when synchronizing target frequency failure, need subsynchronous original frequency again, the problem being continuing with the poor primitive network of network signal, has reached control UE and has been redirected in other networks, to use the effect of the good network of network signal.
Additionally, the frequency in PRL is synchronized after indicating UE interval scheduled duration by synchronization parameter, make the UE can be different from the frequency in PRL at the frequency that the network being currently located is corresponding, when causing synchronizing the frequency failure in PRL, the frequency in PRL can be resynchronized by certain interval of time, to reduce the frequency of the frequency synchronized in PRL, thus reducing the number of times that the frequency synchronized in PRL is failed, solve when the frequency that the network being currently located is corresponding is different from the frequency in PRL, synchronize the frequency in PRL immediately, the number of times causing the frequency in synchronization PRL failed is more, the problem increasing UE power consumption, reach the effect of the power consumption reducing UE.
Additionally, during by all failures of all frequencies in synchronizing PRL, synchronize the original frequency that primitive network is corresponding, make UE can resident to other network failures time, resident to primitive network, when solving all failures of the UE all frequencies in synchronizing target frequency and PRL, it does not have network that can be resident, thus cannot the problem of normal cluster, reached the effect of the success rate improving UE networking.
Additionally, by resident to failure in primitive network time, synchronize the frequency in PRL, make UE can resident to primitive network failure time, attempt synchronizing other frequencies in PRL after the predetermined amount of time of interval, if solving UE to synchronize the failure of original frequency, then do not have can be resident network, thus cannot the problem of normal cluster, reached the effect of the success rate improving UE networking.
Refer to Fig. 5, it illustrates the block diagram of the redirection device that one embodiment of the invention provides. This redirection device can pass through software, hardware or both all or parts being implemented in combination with becoming detection equipment. This redirection device may include that reception unit 510, detection unit 520 and resident element 530.
Receive unit 510, be used for realizing above-mentioned steps 301 function.
Detection unit 520, is used for realizing above-mentioned steps 302 function.
Resident element 530, for realizing the function of above-mentioned steps 303.
Correlative detail is in combinations with reference said method embodiment.
In another optional embodiment, above-mentioned reception unit 510, for realizing the function of step 401; Above-mentioned detection unit 520, for realizing the function of step 402; Above-mentioned resident element 530, for realizing the function of each step in step 404, step 407 and step 409. Optionally, the redirection device in Fig. 5 can also include reading unit 540, and this reading unit 540 is for realizing the function of each step in step 410 and step 412; Lock unit 550, this lock unit 550 is for realizing the function of each step in step 403, step 405, step 406, step 408, step 411, step 413, step 414, step 415 and step 416; Record unit 560, this record unit 560 is for recording the synchronization failure number of times of each target frequency in M target frequency; Arranging unit 570, this arranges unit 570 for when detecting unit 520 and detecting the synchronization failure number of times of target frequency equal to predetermined threshold value, by this target frequency point setting for forbidding frequency, and resetting the synchronization failure number of times of this target frequency.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can be completed by hardware, can also be completed by the hardware that program carrys out instruction relevant, described program can be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read only memory, disk or CD etc.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (14)
1. a reorientation method, it is characterised in that described method includes:
Receiving and redirect message, carry N number of target frequency in described redirection message, described N is positive integer;
Detect whether described N number of target frequency is all prohibited from frequency, described in forbid frequency be due to synchronization failure within a predetermined period of time forbid synchronize target frequency;
If described N number of target frequency forbids frequency described in being all, then forbidding being redirected in the objective network corresponding to described N number of target frequency, continue to reside in primitive network, described primitive network is network resident before receiving described redirection message.
2. method according to claim 1, it is characterised in that described continue to reside in primitive network after, described method also includes:
Reading the enable labelling prestored, described enable labelling is used to indicate whether to synchronize the frequency in optimum roaming list PRL;
If the instruction of described enable labelling synchronizes the frequency in described PRL, then synchronize the frequency in described PRL, resident in the network synchronized corresponding to successful frequency;
If described enable labelling indicates the frequency in asynchronous described PRL, then forbid synchronizing the frequency in described PRL, continue to reside in primitive network.
3. method according to claim 2, it is characterised in that the frequency in the described PRL of described synchronization, including:
Reading the synchronization parameter prestored, described synchronization parameter is for indicating the frequency synchronized immediately in described PRL, or synchronizes the frequency in described PRL after the scheduled duration of interval;
If the instruction of described synchronization parameter synchronizes the frequency in described PRL immediately, then synchronize the frequency in described PRL immediately;
If the instruction of described synchronization parameter synchronizes the frequency in described PRL after scheduled duration described in interval, then start intervalometer and start timing, when timing reaches described scheduled duration, synchronize the frequency in described PRL.
4. according to the method in claim 2 or 3, it is characterised in that described method also includes:
If each frequency synchronized in described PRL is all failed, then synchronize the original frequency that described primitive network is corresponding, resident in described primitive network.
5. method according to claim 1, it is characterised in that whether the described N number of target frequency of described detection is all prohibited from after frequency, also includes:
If M target frequency in described N number of target frequency forbids frequency described in not being, then synchronizing described M target frequency, described M is positive integer;
When any one the target frequency success synchronized in described M target frequency, resident in the objective network corresponding to described target frequency;
When each target frequency synchronized in described M target frequency all failures, synchronize the original frequency that described primitive network is corresponding, resident in described primitive network.
6. method according to claim 5, it is characterised in that synchronize the original frequency that described primitive network is corresponding, resident after described primitive network, also include:
Record the synchronization failure number of times of each target frequency in described M target frequency;
For each target frequency in described M target frequency, whether detect the synchronization failure number of times of described target frequency equal to predetermined threshold value;
If the synchronization failure number of times of described target frequency is equal to described predetermined threshold value, then by described target frequency point setting be described in forbid frequency, and reset the synchronization failure number of times of described target frequency.
7. method according to claim 5, it is characterised in that the original frequency that the described primitive network of described synchronization is corresponding, resident in described primitive network after, also include:
If resident failure in described primitive network, then synchronize the frequency in PRL;
When any one the frequency success synchronized in described PRL, resident in the network corresponding to described frequency;
When each frequency synchronized in described PRL all failures, after the predetermined amount of time of interval, continue executing with the step of the described frequency synchronized in PRL.
8. a redirection device, it is characterised in that described device includes:
Receiving unit, be used for receiving redirection message, carry N number of target frequency in described redirection message, described N is positive integer;
Detection unit, for detect described reception unit receive described N number of target frequency whether be all prohibited from frequency, described in forbid frequency be due to synchronization failure within a predetermined period of time forbid synchronize target frequency;
Resident element, for described detection unit detect described N number of target frequency be all described in forbid frequency time, forbid being redirected in the objective network corresponding to described N number of target frequency, continuing to reside in primitive network, described primitive network is network resident before receiving described redirection message.
9. device according to claim 8, it is characterised in that described device also includes:
Reading unit, for reading the enable labelling prestored, described enable labelling is used to indicate whether to synchronize the frequency in optimum roaming list PRL;
Lock unit, during the frequency that the described enable labelling instruction for reading at described reading unit synchronizes in described PRL, synchronizes the frequency in described PRL, resident in the network synchronized corresponding to successful frequency;
Described lock unit, is additionally operable to when the described enable labelling that described reading unit reads indicates the frequency in asynchronous described PRL, then forbid synchronizing the frequency in described PRL, continue to reside in primitive network.
10. device according to claim 9, it is characterised in that
Described reading unit, is additionally operable to read the synchronization parameter prestored, and described synchronization parameter is for indicating the frequency synchronized immediately in described PRL, or synchronizes the frequency in described PRL after the scheduled duration of interval;
Described lock unit, during the frequency that the described synchronization parameter instruction specifically for reading at described reading unit synchronizes in described PRL immediately, synchronizes the frequency in described PRL immediately;
Described lock unit, it is additionally operable to when the frequency that the described synchronization parameter instruction that described reading unit reads synchronizes in described PRL after scheduled duration described in interval, start intervalometer and start timing, when timing reaches described scheduled duration, synchronize the frequency in described PRL.
11. the device according to claim 9 or 10, it is characterised in that
Described lock unit, when being additionally operable to all failures of each frequency in synchronizing described PRL, synchronizes the original frequency that described primitive network is corresponding, resident in described primitive network.
12. device according to claim 8, it is characterised in that
Described lock unit, be additionally operable to described detection unit detect M target frequency in described N number of target frequency be not described in forbid frequency time, synchronize described M target frequency, described M is positive integer;
Described resident element, during specifically for synchronizing any one the target frequency success in described M target frequency when described lock unit, resident in the objective network corresponding to described target frequency;
Described resident element, is additionally operable to, when described lock unit synchronizes all failures of each target frequency in described M target frequency, synchronize the original frequency that described primitive network is corresponding, resident in described primitive network.
13. device according to claim 12, it is characterised in that described device also includes:
Record unit, for recording the synchronization failure number of times of each target frequency in described M target frequency;
Whether described detection unit, specifically for for each target frequency in described M target frequency, detecting the synchronization failure number of times of described target frequency of described recording unit records equal to predetermined threshold value;
Unit is set, for when described detection unit detects the synchronization failure number of times of described target frequency equal to described predetermined threshold value, by described target frequency point setting be described in forbid frequency, and reset the synchronization failure number of times of described target frequency.
14. device according to claim 12, it is characterised in that
Described lock unit, be additionally operable to resident to failure in described primitive network time, synchronize the frequency in PRL;
Described resident element, is additionally operable to when described lock unit synchronizes any one the frequency success in described PRL, resident in the network corresponding to described frequency;
Described lock unit, is additionally operable to, when each frequency synchronized in described PRL all failures, continue executing with the step of the described frequency synchronized in PRL after the predetermined amount of time of interval.
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| CN112469108A (en) * | 2020-11-16 | 2021-03-09 | 上海擎昆信息科技有限公司 | Network residing method and device |
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