CN102685855B - Cell dwell method and user equipment (UE) - Google Patents

Cell dwell method and user equipment (UE) Download PDF

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Publication number
CN102685855B
CN102685855B CN201210148694.4A CN201210148694A CN102685855B CN 102685855 B CN102685855 B CN 102685855B CN 201210148694 A CN201210148694 A CN 201210148694A CN 102685855 B CN102685855 B CN 102685855B
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coverage loss
subscriber equipment
resident
community
network
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CN102685855A (en
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张香云
吕召彪
王健全
胡云
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention provides a cell dwell method and user equipment (UE). The method comprises the following steps that: when the coverage loss type of the UE is short coverage loss, a radio resource control (RRC) stratum selects cells in a cell list obtained in advance for cell dwell in the fixed duration of a first periodic network search timer started by a non-access stratum (NAS); after the first periodic network search timer is overtime, if dwell fails, the RRC stratum selects cells contained in networks in a network list obtained in advance for cell dwell in the fixed duration of a second periodic network search timer started by the NAS; and after the second periodic network search timer is overtime, if dwell fails, the RRC stratum carries out full-frequency search in the frequency bands supported by the UE. The method and the UE have the following technical effects: the probability of full-frequency search can be reduced, the energy consumed by the UE to dwell in and enter the suitable cell again is reduced and then the time taken by the UE to dwell in and enter the suitable cell again can be shortened.

Description

District staying method and subscriber equipment
Technical field
The present invention relates to the communication technology, relate in particular to a kind of district staying method and subscriber equipment.
Background technology
Subscriber equipment (User Equipment; Hereinafter to be referred as: UE) block or building blocks in landform, for example: while entering elevator, tunnel or high mountain that no signal covers etc., UE has little time to measure, and can cause UE to lose network, i.e. coverage loss.
In the routine use of UE, the most recurrent coverage loss is of short duration, for example: enter elevator or driving enters tunnel etc., under this situation, UE from elevator or tunnel out, general with enter before elevator or tunnel in same community; The situation that also has a kind of recurrent coverage loss is that UE enters same public land mobile network (Public Land Mobile Network; Hereinafter to be referred as: the blind area PLMN), there is the region that no signal covers in the joining place of community and community; The situation that has again a kind of recurrent coverage loss is that UE has entered the region that high mountain or remote districts etc. cover without any network signal, or enter basement etc. and shielded the region of all-network signal, under this situation the time of coverage loss generally longer, initiate all frequencies search the time of net also can be longer.
In prior art, after UE coverage loss, UE first opens PLMN search timer, in the timing length of this PLMN search timer, on the PLMN accessing, carries out initial cell selection course before this coverage loss of this UE; If above-mentioned initial cell selection course failure, after above-mentioned PLMN search timer expiry, the frequency range that this UE supports self is carried out full range search, and in full range search procedure, UE need to carry out synchronous and system information block (System Information Block; Hereinafter to be referred as: SIB) parsing waits operation, and these operations increase the energy consumption that causes UE, also can make the UE resident overlong time that enters suitable cell again simultaneously.
Summary of the invention
The invention provides a kind of district staying method and subscriber equipment, to realize after subscriber equipment coverage loss, reduce the subscriber equipment resident energy consumption that enters suitable cell again, shorten the subscriber equipment resident time that enters suitable cell again.
One aspect of the present invention provides a kind of district staying method, comprising:
The Non-Access Stratum of subscriber equipment receives the coverage loss notification message of the radio resource control layer transmission of described subscriber equipment, and described coverage loss notification message carries the type of definite described this coverage loss of subscriber equipment of described radio resource control layer;
In the time that the type of described this coverage loss of subscriber equipment is of short duration coverage loss, the Non-Access Stratum of described subscriber equipment starts period 1 property search network timer, in the timing length of described period 1 property search network timer, it is resident that community is carried out in the cell list Zhong community that the radio resource control layer selection of described subscriber equipment obtains in advance; After described period 1 property search network timer expiry, if the resident failure of described radio resource control layer, described Non-Access Stratum starts property second round search network timer, in the timing length of described property second round search network timer, it is resident that community is carried out in the community that the network in the network list that the radio resource control layer of described subscriber equipment is selected to obtain in advance comprises;
After described property second round search network timer expiry, if the resident failure of described radio resource control layer, the Non-Access Stratum of described subscriber equipment sends network search request to the radio resource control layer of described subscriber equipment, carries out full range search with the frequency range of asking described radio resource control layer to be supported at described subscriber equipment;
The Non-Access Stratum of described subscriber equipment receives the described network of network mark that described radio resource control layer sends after searching network, send the resident request in community to described radio resource control layer, described network identity is carried in the resident request in described community, so that described radio resource control layer resides in the community that described network identity map network comprises.
The present invention provides a kind of subscriber equipment on the other hand, comprising: receiver module, startup module, resident module and sending module; Wherein, described receiver module, described startup module and described sending module are operated in the Non-Access Stratum of described subscriber equipment; Described resident module is operated in the radio resource control layer of described subscriber equipment;
Described receiver module, the coverage loss notification message sending for receiving the radio resource control layer of described subscriber equipment, described coverage loss notification message carries the type of definite described this coverage loss of subscriber equipment of described radio resource control layer;
Described startup module, in the time that the type of described this coverage loss of subscriber equipment is of short duration coverage loss, starts period 1 property search network timer; And after described period 1 property search network timer expiry, if the resident failure of described resident module starts property second round search network timer;
Described resident module, in the timing length of described period 1 property search network timer, it is resident that community is carried out in the cell list Zhong community that selection obtains in advance; And in the timing length of described property second round search network timer, it is resident that community is carried out in the community that the network in the network list of selecting to obtain in advance comprises;
Described sending module, after described property second round search network timer expiry, if the resident failure of described resident module, send network search request to the radio resource control layer of described subscriber equipment, to ask the frequency range that described radio resource control layer is supported at described subscriber equipment to carry out full range search;
Described receiver module, the described network of network mark also sending after searching network for receiving described radio resource control layer;
Described sending module, also, for sending the resident request in community to described radio resource control layer, the network identity that described receiver module receives is carried in the resident request in described community, so that described resident module resides in the community that described network identity map network comprises.
Technique effect of the present invention is: in the time that the type of this coverage loss of subscriber equipment is of short duration coverage loss, the Non-Access Stratum of this subscriber equipment starts period 1 property search network timer, in the timing length of period 1 property search network timer, it is resident that community is carried out in the cell list Zhong community that the radio resource control layer selection of this subscriber equipment obtains in advance; After period 1 property search network timer expiry, if the resident failure of above-mentioned radio resource control layer, Non-Access Stratum starts property second round search network timer, in the timing length of property second round search network timer, it is resident that community is carried out in the community that the network in the network list that the radio resource control layer of this subscriber equipment is selected to obtain in advance comprises; After above-mentioned property second round search network timer expiry, if radio resource control layer resident success not yet, the frequency range that just can support at above-mentioned subscriber equipment is carried out full range search; The present invention is in the time of the of short duration coverage loss of subscriber equipment, it is resident that the cell list that first utilization obtains in advance carries out community, if resident failure, it is resident that the network list that recycling obtains is in advance carried out community, if utilize the above-mentioned list cannot resident success, just start full range search, thereby can reduce the probability of full range search, reduce the subscriber equipment resident energy consumption that enters suitable cell again, and then can shorten the subscriber equipment resident time that enters suitable cell again.
Brief description of the drawings
Fig. 1 is the flow chart of an embodiment of district staying method of the present invention;
Fig. 2 is the flow chart of another embodiment of district staying method of the present invention;
Fig. 3 is the structural representation of an embodiment of subscriber equipment of the present invention;
Fig. 4 is the structural representation of another embodiment of subscriber equipment of the present invention.
Embodiment
Fig. 1 is the flow chart of an embodiment of district staying method of the present invention, and as shown in Figure 1, this district staying method can comprise:
Step 101, Non-Access Stratum (the Non-Access Stratum of UE; Hereinafter to be referred as: Radio Resource control (the Radio Resource Control that NAS) receives UE; Hereinafter to be referred as: the coverage loss notification message that RRC) layer sends, this coverage loss notification message carries the type of definite above-mentioned this coverage loss of UE of above-mentioned rrc layer.
Step 102, in the time that the type of this coverage loss of UE is of short duration coverage loss, the NAS of this UE starts period 1 property search network timer, in the timing length of above-mentioned period 1 property search network timer, it is resident that community is carried out in the cell list Zhong community that the rrc layer selection of above-mentioned UE obtains in advance; After above-mentioned period 1 property search network timer expiry, if the resident failure of rrc layer, above-mentioned NAS starts property second round search network timer, in the timing length of above-mentioned property second round search network timer, it is resident that community is carried out in the community that the network in the network list that the rrc layer of this UE is selected to obtain in advance comprises.
Step 103, after above-mentioned property second round search network timer expiry, if the resident failure of above-mentioned rrc layer, the NAS of UE sends network search request to the rrc layer of above-mentioned UE, to ask above-mentioned rrc layer to carry out full range search in the frequency range that above-mentioned UE was supported.
Step 104, the NAS of UE receives the network identity that above-mentioned rrc layer sends after searching network, send the resident request in community to above-mentioned rrc layer, above-mentioned network identity is carried in the resident request in above-mentioned community, so that above-mentioned rrc layer resides in the community that above-mentioned network identity map network comprises.
In addition, in the present embodiment, after step 101, before step 103, in the time that the type of above-mentioned this coverage loss of UE is not of short duration coverage loss, the NAS of this UE starts above-mentioned property second round search network timer; In the timing length of above-mentioned property second round search network timer, it is resident that community is carried out in the community that the network in the network list that the rrc layer of above-mentioned UE is selected to obtain in advance comprises.
Particularly, in step 102, the cell list Zhong community that the rrc layer of above-mentioned UE is selected to obtain in advance carries out that community is resident can be: the rrc layer of above-mentioned UE is in the cell list obtaining in advance, it is resident that community is carried out in selection priority Gao community, if carry out the resident failure in community in above-mentioned priority Gao community, and this resident time used is less than the duration recording in the duration field of the corresponding list item in above-mentioned priority Gao community in above-mentioned cell list, and it is resident that above-mentioned rrc layer carries out community again in above-mentioned priority Gao community; If again carry out the resident failure in community in above-mentioned priority Gao community, above-mentioned rrc layer is reduced to minimum by the priority of above-mentioned priority Gao community, and repeat in the above-mentioned cell list obtaining in advance, select priority Gao community to carry out the resident step in community and subsequent step thereof, until period 1 property search network timer expiry or the resident success of above-mentioned rrc layer.
If in the timing length of above-mentioned period 1 property search network timer, the resident success of above-mentioned rrc layer, above-mentioned rrc layer adds 1 by the value of the resident number of success field of the corresponding list item in resident above-mentioned rrc layer in above-mentioned cell list successful community, and upgrades the priority of the resident successful community of above-mentioned rrc layer according to the value of the resident number of success field of the corresponding list item in the resident successful community of above-mentioned rrc layer and coverage loss time digital section.
Particularly, in step 102, the community that network in the network list that the rrc layer of above-mentioned UE is selected to obtain in advance comprises carries out that community is resident can be: the rrc layer of above-mentioned UE is in the network list obtaining in advance, it is resident that community is carried out in the community of selecting the highest network of priority to comprise, if the resident failure in community is carried out in the community comprising at the highest network of above-mentioned priority, and this resident time used is less than the duration recording in the duration field of the corresponding list item of network that in above-mentioned network list, above-mentioned priority is the highest, it is resident that the community that above-mentioned rrc layer comprises at the highest network of above-mentioned priority is carried out community again, if the community comprising at the highest network of above-mentioned priority is carried out the resident failure in community again, above-mentioned rrc layer is reduced to minimum by the priority of network the highest above-mentioned priority, and repeat in the above-mentioned network list obtaining in advance, the resident step in community and subsequent step thereof are carried out in the community of selecting the highest network of priority to comprise, until property second round search network timer expiry or the resident success of above-mentioned rrc layer.
If in the timing length of above-mentioned property second round search network timer, the resident success of above-mentioned rrc layer, above-mentioned rrc layer adds 1 by the value of the resident number of success field of the corresponding list item of resident above-mentioned rrc layer in above-mentioned network list successful network, and upgrades the priority of the resident successful network of above-mentioned rrc layer according to the value of the resident number of success field of the corresponding list item of the resident successful network of above-mentioned rrc layer and coverage loss time digital section.
In the present embodiment, further, after the resident success of the rrc layer of above-mentioned UE, the resident successfully instruction in community and above-mentioned UE that the NAS of above-mentioned UE can also receive above-mentioned rrc layer transmission return the instruction of covering, and are switched to normal service state.
In the present embodiment, after the rrc layer of above-mentioned UE is known above-mentioned UE coverage loss, in above-mentioned cell list, search the list item corresponding with community, the front place of this coverage loss of above-mentioned UE; And in above-mentioned network list, search the list item corresponding with the front place of this coverage loss of above-mentioned UE network;
If find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in above-mentioned cell list, the value of coverage loss moment field in above-mentioned list item is updated to the moment of above-mentioned this coverage loss of UE, and the value of time digital section of coverage loss in above-mentioned list item is added to 1, and after the resident success of above-mentioned rrc layer, the value of duration field in above-mentioned list item is updated to the duration of above-mentioned this coverage loss of UE; If find the list item corresponding with the front place of this coverage loss of above-mentioned UE network in above-mentioned network list, the value of coverage loss moment field in above-mentioned list item is updated to the moment of above-mentioned this coverage loss of UE, and the value of time digital section of coverage loss in above-mentioned list item is added to 1, and after the resident success of above-mentioned rrc layer, the value of duration field in above-mentioned list item is updated to the duration of above-mentioned this coverage loss of UE;
If do not find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in above-mentioned cell list, in above-mentioned cell list, create the list item corresponding with community, the front place of this coverage loss of above-mentioned UE, in above-mentioned list item, the value of coverage loss moment field is set to the moment of above-mentioned this coverage loss of UE, and in above-mentioned list item, the value of coverage loss time digital section is set to 1, and after the resident success of above-mentioned rrc layer, in above-mentioned list item, the value of duration field is set to the duration of above-mentioned this coverage loss of UE; If do not find the list item corresponding with the front place of this coverage loss of above-mentioned UE network in above-mentioned network list, in above-mentioned network list, create the list item corresponding with the front place of this coverage loss of above-mentioned UE network, in above-mentioned list item, the value of coverage loss moment field is set to the moment of above-mentioned this coverage loss of UE, and in above-mentioned list item, the value of coverage loss time digital section is set to 1, and after the resident success of above-mentioned rrc layer, in above-mentioned list item, the value of duration field is set to the duration of above-mentioned this coverage loss of UE;
The duration of above-mentioned this coverage loss of UE comprises from the duration in moment to the above-mentioned resident successful moment of rrc layer of above-mentioned this coverage loss.
Further, before step 101, after the rrc layer of above-mentioned UE is known above-mentioned UE coverage loss, in above-mentioned cell list, search the list item corresponding with community, the front place of this coverage loss of above-mentioned UE;
If found, and the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field is less than or equal to the first pre-timing difference,, in the time that the value of duration field in above-mentioned list item is less than or equal to the first predetermined threshold, above-mentioned rrc layer determines that the type of above-mentioned this coverage loss of UE is of short duration coverage loss; In the time that the value of duration field in above-mentioned list item is greater than above-mentioned the first predetermined threshold, above-mentioned rrc layer determines that the type of above-mentioned this coverage loss of UE is not of short duration coverage loss;
If find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in above-mentioned cell list, but the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field is greater than the first pre-timing difference, or, in above-mentioned cell list, do not find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE, above-mentioned rrc layer is searched the list item corresponding with the front place of this coverage loss of above-mentioned UE network in above-mentioned network list; If found, and the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field is less than or equal to the second pre-timing difference,, in the time that the value of duration field in above-mentioned list item is less than or equal to the second predetermined threshold, above-mentioned rrc layer determines that the type of above-mentioned this coverage loss of UE is of short duration coverage loss; In the time that the value of duration field in above-mentioned list item is greater than above-mentioned the second predetermined threshold, above-mentioned rrc layer determines that the type of above-mentioned this coverage loss of UE is not of short duration coverage loss;
If find the list item corresponding with the front place of this coverage loss of above-mentioned UE network in above-mentioned network list, but the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field is greater than the second pre-timing difference, or, in above-mentioned network list, do not find the list item corresponding with the front place of this coverage loss of above-mentioned UE network, above-mentioned rrc layer determines that the type of above-mentioned this coverage loss of UE is not of short duration coverage loss.
Wherein, the size of the above-mentioned first pre-timing difference, the second pre-timing difference, the first predetermined threshold and the second predetermined threshold can be in the time of specific implementation, set voluntarily according to performance requirement and actual needs, the first pre-timing difference can equate with the second pre-timing difference, also can not wait; Equally, the first predetermined threshold also can not equate with the second predetermined threshold or not etc.; The present invention is not construed as limiting the size of the above-mentioned first pre-timing difference, the second pre-timing difference, the first predetermined threshold and the second predetermined threshold.For instance, the above-mentioned first pre-timing difference and the second pre-timing difference can be all 20 seconds, and above-mentioned the first predetermined threshold and above-mentioned the second predetermined threshold can be all 10 seconds.
Above-described embodiment is in the time of the of short duration coverage loss of subscriber equipment, it is resident that the cell list that first utilization obtains in advance carries out community, as can not resident success, it is resident that the network list that recycling obtains is in advance carried out community, if utilize the above-mentioned list cannot resident success, just start full range search, thereby can reduce the probability of full range search, reduce the subscriber equipment resident energy consumption that enters suitable cell again, and then can shorten the subscriber equipment resident time that enters suitable cell again.
It should be noted that, " first " in the present embodiment and " second " only for convenience of description, do not represent quality, the height of priority and the priority of enforcement of performance, lower same.
Fig. 2 is the flow chart of another embodiment of district staying method of the present invention, and as shown in Figure 2, this district staying method can comprise:
Step 201, UE is under login state, and after coverage loss, the rrc layer of this UE sends the NAS of coverage loss (RRC_NAS_LOST_COVERAGE) notification message to this UE, to notify this UE of above-mentioned NAS to lose covering.
Wherein, this coverage loss notification message carries the type of definite above-mentioned this coverage loss of UE of above-mentioned rrc layer.
If the type of this coverage loss of UE is of short duration coverage loss, perform step 202; If the type of this coverage loss of UE is not of short duration coverage loss, perform step 213.
Step 202, above-mentioned NAS be switched under Entitlement Management Message login state without available cell (Entitled Manage Message Registered No Cell Available; Hereinafter to be referred as: EMM_REGISTERED_NO_CELL_AVAILABLE) state, and start period 1 property search network timer.
Step 203, in the timing length of period 1 property search network timer, it is resident that community is carried out in the cell list Zhong community that rrc layer selection obtains in advance.
If resident success, performs step 209; If after period 1 property search network timer expiry, the resident failure of rrc layer, performs step 204.
Step 204, NAS starts property second round search network timer, and in property second round search network timer, it is resident that community is carried out in the community that the network in the network list that rrc layer is selected to obtain in advance comprises.
If resident success, performs step 209; If after property second round search network timer expiry, the resident failure of rrc layer, performs step 205.
Step 205, after property second round search network timer expiry, NAS sends network search request (NAS_RRC_SEARCH_PLMN_REQUEST) to rrc layer, to ask rrc layer to carry out full range search in the frequency range that UE was supported.
Next,, if rrc layer searches network, perform step 207; If rrc layer does not search network, perform step 206.
Step 206, NAS receives the search network of RRC transmission and unsuccessfully indicates.Then perform step 212.
In the present embodiment, above-mentioned search network is unsuccessfully indicated and can be carried at rrc layer in PLMN failure (RRC_NAS_PLMN_FAILURE) message of NAS transmission, to notify NAS not search PLMN.
Step 207, NAS receives the above-mentioned network of network mark that rrc layer sends.
In the present embodiment, above-mentioned network identity can comprise at least one network identity.Particularly, above-mentioned network can be PLMN, and above-mentioned at least one network identity can be mark (the PLMN Identifier of at least one PLMN; Hereinafter to be referred as: PLMN ID); The above-mentioned network of network mark that rrc layer sends can be carried at rrc layer in the PLMN instruction (RRC_NAS_PLMN_INDICATION) of NAS transmission.
Wherein, PLMN is the operator by government or government approval, is the cordless communication network that the public provides land mobile business purpose to set up and manage, PLMN and public switched telephone network interconnection, the communication network of formation whole distract or Country Scale.PLMN is made up of at least one community conventionally.
Step 208, NAS sends the resident request in community (NAS_RRC_CAMP_ON_REQUEST) to rrc layer, and PLMN ID is carried in the resident request in this community, so that rrc layer resides in the community of this PLMN ID map network.
Particularly, the PLMN ID that the resident request in community is carried comprises a PLMN ID who selects from least one PLMN ID, and when NAS sends the resident request in community at every turn, selected PLMN ID is all different, that is to say the entrained all differences of PLMN ID of the resident request in community that each NAS sends to rrc layer.
Next, if the resident success of rrc layer performs step 209; If the resident failure of rrc layer, performs step 210.
Step 209, the UE that NAS receives under the resident success in community (RRC_NAS_CAMP_ON_SUCCESSFUL) instruction and the above-mentioned login state that above-mentioned rrc layer sends returns the instruction of covering (ERRC_NAS_RETURN_COVERAGE), and is switched to normal service (EMM_REGISTERED_NORMAL_SERVICE) state under login state.The resident flow process in this community finishes.
Step 210, NAS receives resident failure (RRC_NASCAMP_ON_FAILURE) instruction that rrc layer sends.
Step 211, judges in above-mentioned at least one PLMN ID whether have the PLMN ID not being selected.If so, return to execution step 208; If there is not the PLMN ID not being selected in above-mentioned at least one PLMN ID, perform step 212.
Step 212, NAS is restarted property second round search network timer; After this property second round search network timer expiry, return to execution step 205.
Step 213, above-mentioned NAS be switched under Entitlement Management Message login state without available cell state.Then, execution step 204.
Above-described embodiment is in the time of the of short duration coverage loss of subscriber equipment, it is resident that the cell list that first utilization obtains in advance carries out community, as can not resident success, it is resident that the network list that recycling obtains is in advance carried out community, if utilize the above-mentioned list cannot resident success, just start full range search, thereby can reduce the probability of full range search, reduce the subscriber equipment resident energy consumption that enters suitable cell again, and then can shorten the subscriber equipment resident time that enters suitable cell again.
The present invention is embodiment illustrated in fig. 2 to be described as example in login state taking UE, certainly the present invention is not limited to this, processing procedure and the UE processing procedure when login state of UE in the time of not registered state is basic identical, difference is only, UE is in the time of not registered state, after coverage loss, the NAS of UE be switched under Entitlement Management Message not registered state without available cell state (EMM_DEREGISTERED_NO_CELL_AVAILABLE), after receiving the resident successfully instruction in community that rrc layer sends and UE return the instruction of covering, the NAS of UE is switched to normal service (EMM_DEREGISTERED_NORMAL_SERVICE) state under not registered state.
Below by an instantiation, method provided by the invention is described.
Under normal circumstances, it is regular using the user's of UE behavior, for example: user every morning 9:00 goes to work into elevator, and the UE that this user uses can lose covering.Therefore, UE can add up the behavior of self coverage loss, obtains cell list and network list.In the present invention, after the rrc layer of UE is known this UE coverage loss, in cell list and network list, search the list item corresponding with community, the front place of this coverage loss of above-mentioned UE.If find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in cell list, the value of coverage loss moment field in above-mentioned list item is updated to the moment of this coverage loss of UE, and the value of time digital section of coverage loss in above-mentioned list item is added to 1, and after the resident success of above-mentioned rrc layer, the value of duration field in above-mentioned list item is updated to the duration of above-mentioned this coverage loss of UE; If find the list item corresponding with the front place of this coverage loss of UE network in above-mentioned network list, the value of coverage loss moment field in above-mentioned list item is updated to the moment of above-mentioned this coverage loss of UE, and the value of time digital section of coverage loss in above-mentioned list item is added to 1, and after the resident success of above-mentioned rrc layer, the value of duration field in above-mentioned list item is updated to the duration of above-mentioned this coverage loss of UE;
If do not find the list item corresponding with community, the front place of this coverage loss of UE in above-mentioned cell list, in above-mentioned cell list, create the list item corresponding with community, the front place of this coverage loss of UE, in above-mentioned list item, the value of coverage loss moment field is set to the moment of this coverage loss of UE, and in above-mentioned list item, the value of coverage loss time digital section is set to 1, and after the resident success of rrc layer of UE, in above-mentioned list item, the value of duration field is set to the duration of this coverage loss of UE; If do not find the list item corresponding with the front place of this coverage loss of UE network in above-mentioned network list, in above-mentioned network list, create the list item corresponding with the front place of this coverage loss of UE network, in above-mentioned list item, the value of coverage loss moment field is set to the moment of this coverage loss of UE, and in above-mentioned list item, the value of coverage loss time digital section is set to 1, and after the resident success of above-mentioned rrc layer, in above-mentioned list item, the value of duration field is set to the duration of this coverage loss of UE;
Wherein, the duration of this this coverage loss of UE comprises from the duration in moment to the above-mentioned resident successful moment of rrc layer of above-mentioned this coverage loss.
For instance, above-mentioned cell list can be as shown in table 1.
Table 1
In above-mentioned cell list, coverage loss moment field only records the Hour Minute Second in coverage loss moment, does not need to record the date; The value of precedence field is the value of value/coverage loss time digital section of resident number of success field, i.e. success rate.
After the rrc layer of UE is known this UE coverage loss, if the rrc layer of this UE finds the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in cell list, here suppose that community, the front place of this coverage loss of UE is community 1, rrc layer can compare the time difference between the value (9:00:00) of for example, in moment (: the 9:00:20) list item corresponding to table 1 small area 1 of this coverage loss of UE coverage loss moment field, for example, if this time difference (9:00:20-9:00:00=20 second) is less than or equal to the first pre-timing difference (: 20 seconds), rrc layer can the corresponding list item in table 1 small area 1 in the value (3 seconds) of duration field as the duration of this coverage loss of UE, for example, in the time that the value of duration field in the corresponding list item in table 1 small area 1 is less than or equal to the first predetermined threshold (: 10 seconds), above-mentioned rrc layer can determine that the type of above-mentioned this coverage loss of UE is of short duration coverage loss.In addition, find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in above-mentioned cell list after, rrc layer can also be updated to the value in coverage loss moment in corresponding table 1 small area 1 list item the moment (9:00:20) of this coverage loss of UE, the value of time digital section of coverage loss in corresponding table 1 small area 1 list item is added to 1, be updated to 4 by the value of above-mentioned coverage loss time digital section.
In addition, if the value of duration field is greater than above-mentioned the first predetermined threshold in above-mentioned list item, rrc layer can determine that the type of above-mentioned this coverage loss of UE is not of short duration coverage loss.
And if find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in above-mentioned cell list, and the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field is greater than the first pre-timing difference, or, rrc layer does not find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in above-mentioned cell list, here suppose that community, the front place of this coverage loss of UE is community 4, in table 1, rrc layer cannot find the list item corresponding with community 4.At this moment, above-mentioned rrc layer can be searched the list item corresponding with the front place of this coverage loss of above-mentioned UE network in network list.For instance, network list can be as shown in table 2.
Table 2
Equally, in above-mentioned network list, coverage loss moment field only records the Hour Minute Second in coverage loss moment, does not need to record the date; The value of precedence field is the value of value/coverage loss time digital section of resident number of success field, i.e. success rate.
Here the community 4 of supposing this front place of coverage loss of UE belongs to PLMN1, and the front place of this coverage loss of UE network is PLMN1, rrc layer can find the list item corresponding with PLMN1 in table 2, for example, so rrc layer can compare the time difference between the value (9:00:00) of coverage loss moment field in moment (: the 9:00:20) list item corresponding to PLMN1 in table 2 of this coverage loss of UE, for example, if this time difference (9:00:20-9:00:00=20 second) is less than or equal to the second pre-timing difference (: 20 seconds), rrc layer can table 2 in the corresponding list item of PLMN1 the value (3 seconds) of duration field as the duration of this coverage loss of UE, for example, in the time that the value of duration field in the corresponding list item in table 2 small area 1 is less than or equal to the second predetermined threshold (: 10 seconds), above-mentioned rrc layer can determine that the type of this coverage loss of UE is of short duration coverage loss.In addition, find the list item corresponding with the front place of this coverage loss of above-mentioned UE network in above-mentioned network list after, rrc layer can also be updated to the value in coverage loss moment in corresponding PLMN1 in table 2 list item the moment (9:00:20) of this coverage loss of UE, the value of coverage loss time digital section in corresponding PLMN1 in table 2 list item is added to 1, be updated to 4 by the value of above-mentioned coverage loss time digital section.
In addition, if the value of duration field is greater than above-mentioned the second predetermined threshold in above-mentioned list item, rrc layer can determine that the type of above-mentioned this coverage loss of UE is not of short duration coverage loss; And if find the list item corresponding with the front place of this coverage loss of above-mentioned UE network in above-mentioned network list, but the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field is greater than the second pre-timing difference, or in above-mentioned network list, do not find the list item corresponding with the front place of this coverage loss of above-mentioned UE network, above-mentioned rrc layer determines that the type of this coverage loss of UE is not of short duration coverage loss.
After determining the type of this coverage loss of UE, rrc layer can be according to the method for introducing in the present invention's step 201 embodiment illustrated in fig. 2, send coverage loss notification message to NAS, this coverage loss notification message carries the type of definite this coverage loss of UE of rrc layer.
On the one hand, if the type of this coverage loss of UE is of short duration coverage loss, NAS can, according to the method for introducing in step 202, be switched to without available cell state, and start period 1 property search network timer.In the timing length of period 1 property search network timer, rrc layer can be according to the method for introducing in step 203, and it is resident that community is carried out in selection cell list Zhong community.
Particularly, with reference to table 1, it is resident that rrc layer can first option table 1 medium priority Gao community (community 1) carries out community, if carry out the resident failure in community in community 1, and this resident time used (being assumed to be 1 second) is less than the duration (3 seconds) recording in the duration field of table 1 small area 1 corresponding list item, it is resident that above-mentioned rrc layer carries out community again in community 1; If again carry out the resident failure in community in community 1, above-mentioned rrc layer is reduced to the priority of community 1 minimum, for instance, the value of corresponding table 1 small area 1 list item medium priority field can be made as to 0; Then repeat above-mentioned in cell list, select priority Gao community carry out the resident step in community and subsequent step thereof, until period 1 property search network timer expiry or the resident success of above-mentioned rrc layer.
If in the timing length of above-mentioned period 1 property search network timer, the resident success of above-mentioned rrc layer, above-mentioned rrc layer can add 1 by the value of the resident number of success field of the corresponding list item in resident above-mentioned rrc layer in above-mentioned cell list successful community, upgrades the priority of the resident successful community of above-mentioned rrc layer according to the value of the resident number of success field of the corresponding list item in the resident successful community of above-mentioned rrc layer and coverage loss time digital section.Still taking table 1 as example, here suppose in the timing length of above-mentioned period 1 property search network timer, rrc layer is in the resident success in community 1, rrc layer adds 1 by the value of the resident number of success field of table 1 small area 1 corresponding list item, value by resident number of success field is updated to 4, and according to the value of the precedence field of the value renewal community 1 corresponding list item of the resident number of success field of community 1 corresponding list item and coverage loss time digital section, and the value of duration field in corresponding community 1 list item is updated to the duration of this coverage loss of UE, from the duration in moment (9:00:20) to resident successful moment of rrc layer (9:00:25) of this coverage loss, 5 seconds.Cell list after renewal can be as shown in table 3.
Table 3
Further, if in the timing length of above-mentioned period 1 property search network timer, the resident success of above-mentioned rrc layer, the method that can provide according to the present invention's step 209 embodiment illustrated in fig. 2 is carried out follow-up flow process, does not repeat them here.
After period 1 property search network timer expiry, if the resident failure of rrc layer, can be according to the method for introducing in step 204, start property second round search network timer by NAS, in property second round search network timer, it is resident that community is carried out in the community that rrc layer selects the network in network list to comprise.
Particularly, with reference to table 2, it is resident that community is carried out in the community that rrc layer can the highest network (PLMN1) of first option table 2 medium priorities comprises, if the resident failure in community is carried out in the community comprising at PLMN1, and this resident time used (being assumed to be 2 seconds) is less than the duration (3 seconds) recording in the duration field of the corresponding list item of PLMN1 in table 2, and it is resident that the community that above-mentioned rrc layer comprises at PLMN1 is carried out community again; If the community comprising at PLMN1 is carried out the resident failure in community again, above-mentioned rrc layer is reduced to the priority of PLMN1 minimum, for instance, the value of corresponding PLMN1 in table 1 list item medium priority field can be made as to 0; Then repeat above-mentionedly in network list, the resident step in community and subsequent step thereof are carried out in the community of selecting priority the highest network to comprise, until property second round search network timer expiry or the resident success of above-mentioned rrc layer.A PLMN is made up of at least one community conventionally, particularly, the community comprising at the highest network of priority carries out that community is resident can be for: the rrc layer of UE detects the signal quality of the community that network that this priority is the highest comprises, and carries out community resident according to signal quality order from high to low; It is resident to be that rrc layer first selects in network that priority is the highest signal quality Gao community to carry out community, then it is resident to select signal quality Ci Gao community to carry out community, by that analogy.
If in the timing length of above-mentioned property second round search network timer, the resident success of above-mentioned rrc layer, above-mentioned rrc layer adds 1 by the value of the resident number of success field of the corresponding list item of resident above-mentioned rrc layer in above-mentioned network list successful network, and upgrades the priority of the resident successful network of above-mentioned rrc layer according to the value of the resident number of success field of the corresponding list item of the resident successful network of above-mentioned rrc layer and coverage loss time digital section.Taking table 2 as example, here suppose in the timing length of property second round search network timer, rrc layer is in the resident success of PLMN1, rrc layer adds 1 by the value of the resident number of success field of the corresponding list item of PLMN1 in table 2, value by resident number of success field is updated to 4, and according to the value of the precedence field of the corresponding list item of value renewal PLMN1 of the resident number of success field of the corresponding list item of PLMN1 and coverage loss time digital section, and the value of duration field in corresponding PLMN1 list item is updated to the duration of this coverage loss of UE, from the duration in moment (9:00:20) to resident successful moment of rrc layer (9:00:30) of this coverage loss, 10 seconds.Cell list after renewal can be as shown in table 4.
Table 4
Further, if in the timing length of above-mentioned property second round search network timer, the resident success of above-mentioned rrc layer, the method that can provide according to the present invention's step 209 embodiment illustrated in fig. 2 is carried out follow-up flow process, does not repeat them here.
If after above-mentioned property second round search network timer expiry, rrc layer is still failed resident success, and the method that can provide according to the present invention's step 205 ~ step 212 embodiment illustrated in fig. 2 is carried out follow-up flow process, does not repeat them here.
On the other hand, if the type of this coverage loss of UE is not of short duration coverage loss, the method that can provide according to step 213, NAS be switched under Entitlement Management Message login state without available cell state, then perform step 204, NAS and start property second round search network timer.In property second round search network timer, it is resident that community is carried out in the community that the network in the network list that rrc layer is selected to obtain in advance comprises.Wherein, this network list can be as shown in table 2, and it is described above that the resident specific implementation in community is carried out in the community that the network in the network list that rrc layer is selected to obtain in advance comprises, and do not repeat them here.
The present invention is in the time of UE coverage loss, whether the type that first judges this coverage loss of UE is of short duration coverage loss, in the time that the type of this coverage loss of UE is of short duration coverage loss, it is resident that rrc layer can first utilize in advance the cell list obtaining to carry out community, as can not resident success, it is resident that the network list that recycling obtains is in advance carried out community, if utilize the above-mentioned list cannot resident success, just start full range search, thereby can reduce the probability of full range search, reduce the subscriber equipment resident energy consumption that enters suitable cell again, and then can shorten the subscriber equipment resident time that enters suitable cell again.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, in the time carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Fig. 3 is the structural representation of an embodiment of subscriber equipment of the present invention, UE in the present embodiment can realize the present invention's flow process embodiment illustrated in fig. 1, as shown in Figure 3, this UE can comprise: receiver module 31, startup module 32, resident module 33 and sending module 34; Wherein, receiver module 31, startup module 32 and sending module 34 are operated in the NAS of above-mentioned UE; Resident module 33 is operated in the rrc layer of above-mentioned UE;
Wherein, receiver module 31, the coverage loss notification message sending for receiving the rrc layer of above-mentioned UE, above-mentioned coverage loss notification message carries the type of definite above-mentioned this coverage loss of UE of above-mentioned rrc layer;
Start module 32, in the time that the type of above-mentioned this coverage loss of UE is of short duration coverage loss, start period 1 property search network timer; And after above-mentioned period 1 property search network timer expiry, if the resident failure of resident module 33 starts property second round search network timer;
Resident module 33, in the timing length of above-mentioned period 1 property search network timer, it is resident that community is carried out in the cell list Zhong community that selection obtains in advance; And in the timing length of above-mentioned property second round search network timer, it is resident that community is carried out in the community that the network in the network list of selecting to obtain in advance comprises;
Sending module 34, for after above-mentioned property second round search network timer expiry, if the resident failure of above-mentioned resident module 33, sends network search request to the rrc layer of above-mentioned UE, to ask above-mentioned rrc layer to carry out full range search in the frequency range that above-mentioned UE was supported;
Receiver module 31, the above-mentioned network of network mark also sending after searching network for receiving above-mentioned rrc layer;
Sending module 34, also, for sending the resident request in community to above-mentioned rrc layer, the network identity that receiver module 31 receives is carried in the resident request in above-mentioned community, so that resident module 33 resides in the community that above-mentioned network identity map network comprises.
Further, in the present embodiment, start module 32, also for receive the coverage loss notification message of rrc layer transmission of above-mentioned UE at receiver module 31 after, before sending module 34 sends network search request to the rrc layer of above-mentioned UE, in the time that the type of above-mentioned this coverage loss of UE is not of short duration coverage loss, start above-mentioned property second round search network timer.
In the present embodiment, resident module 33, specifically in the cell list obtaining in advance, it is resident that community is carried out in selection priority Gao community, if carry out the resident failure in community in above-mentioned priority Gao community, and this resident time used is less than the duration recording in the duration field of the corresponding list item in above-mentioned priority Gao community in above-mentioned cell list, again carry out community in above-mentioned priority Gao community resident; If again carry out the resident failure in community in above-mentioned priority Gao community, the priority of above-mentioned priority Gao community is reduced to minimum, and repeat in the above-mentioned cell list obtaining in advance, select priority Gao community to carry out the resident step in community and subsequent step thereof, until above-mentioned period 1 property search network timer expiry or the resident success of above-mentioned resident module.
In the present embodiment, resident module 33, specifically in the network list obtaining in advance, it is resident that community is carried out in the community of selecting the highest network of priority to comprise, if the resident failure in community is carried out in the community comprising at the highest network of above-mentioned priority, and this resident time used is less than the duration recording in the duration field of the corresponding list item of network that in above-mentioned network list, above-mentioned priority is the highest, and it is resident that the community comprising at the highest network of above-mentioned priority is carried out community again; If the community comprising at the highest network of above-mentioned priority is carried out the resident failure in community again, the priority of network the highest above-mentioned priority is reduced to minimum, and repeat in the above-mentioned network list obtaining in advance, the resident step in community and subsequent step thereof are carried out in the community of selecting the highest network of priority to comprise, until above-mentioned property second round search network timer expiry or the resident success of above-mentioned resident module.
In above-mentioned subscriber equipment, in the time of the of short duration coverage loss of subscriber equipment, it is resident that resident module 33 first utilizes in advance the cell list obtaining to carry out community, if resident failure, it is resident that the network list that recycling obtains is in advance carried out community, if utilize the above-mentioned list cannot resident success, just start full range search, thereby can reduce the probability of full range search, reduce the subscriber equipment resident energy consumption that enters suitable cell again, and then can shorten the subscriber equipment resident time that enters suitable cell again.
Fig. 4 is the structural representation of another embodiment of subscriber equipment of the present invention, compared with the subscriber equipment shown in Fig. 3, difference is, subscriber equipment shown in Fig. 4 can also comprise: the first counting module 35 and the first update module 36, and above-mentioned the first counting module 35 and above-mentioned the first update module 36 are operated in the rrc layer of above-mentioned UE;
The first counting module 35, in the timing length of above-mentioned period 1 property search network timer, resident module 33 is resident when successful, and the value of the resident number of success field of the corresponding list item in resident above-mentioned rrc layer in above-mentioned cell list successful community is added to 1;
The first update module 36, for upgrading the priority of the resident successful community of above-mentioned rrc layer according to the value of the resident number of success field of the corresponding list item in the resident successful community of above-mentioned rrc layer and coverage loss time digital section.
UE in the present embodiment can also comprise: the second counting module 37 and the second update module 38, the second counting modules 37 and the second update module 38 are operated in the rrc layer of above-mentioned UE;
Wherein, the second counting module 37, for in the timing length of above-mentioned property second round search network timer, resident module 33 is resident when successful, and the value of the resident number of success field of the corresponding list item of resident above-mentioned rrc layer in above-mentioned network list successful network is added to 1;
The second update module 38, for upgrading the priority of the resident successful network of above-mentioned rrc layer according to the value of the resident number of success field of the corresponding list item of the resident successful network of above-mentioned rrc layer and coverage loss time digital section.
Further, the UE in the present embodiment, can also comprise: handover module 39, and this handover module 39 is operated in the NAS of above-mentioned UE;
In the present embodiment, receiver module 31, also for after the resident success of resident module 33, receives the resident successfully instruction in community that above-mentioned rrc layer sends and above-mentioned UE and returns the instruction of covering;
Handover module 39, for receiving the resident successfully instruction in above-mentioned community and after above-mentioned UE returns the instruction of covering, the NAS of above-mentioned UE being switched to normal service state at receiver module 31.
Further, the UE in the present embodiment, can also comprise: search module 310, the 3rd update module 311, creation module 312 and module 313 is set; Wherein, above-mentionedly search module 310, the 3rd update module 311, creation module 312 and module 313 be set the rrc layer that is operated in above-mentioned UE;
Wherein, search module 310, for after knowing above-mentioned UE coverage loss, in above-mentioned cell list, search the list item corresponding with community, the front place of this coverage loss of above-mentioned UE; And in above-mentioned network list, search the list item corresponding with the front place of this coverage loss of above-mentioned UE network;
The 3rd update module 311, be used for when searching module 310 in the time that above-mentioned cell list finds the list item corresponding with community, the front place of this coverage loss of above-mentioned UE, the value of coverage loss moment field in above-mentioned list item is updated to the moment of above-mentioned this coverage loss of UE, and the value of time digital section of coverage loss in above-mentioned list item is added to 1, and after the resident success of above-mentioned rrc layer, the value of duration field in above-mentioned list item is updated to the duration of above-mentioned this coverage loss of UE; When the above-mentioned module 310 of searching while finding the list item corresponding with the front place of this coverage loss of above-mentioned UE network in above-mentioned network list, the value of coverage loss moment field in above-mentioned list item is updated to the moment of above-mentioned this coverage loss of UE, and the value of time digital section of coverage loss in above-mentioned list item is added to 1, and after the resident success of above-mentioned rrc layer, the value of duration field in above-mentioned list item is updated to the duration of above-mentioned this coverage loss of UE;
Creation module 312 for when searching module 310 in the time that above-mentioned cell list does not find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE, creates the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in above-mentioned cell list; When searching module 310 do not find the list item corresponding with the front place of this coverage loss of above-mentioned UE network in above-mentioned network list time, in above-mentioned network list, create the list item corresponding with the front place of this coverage loss of above-mentioned UE network;
Module 313 is set, the value of the list item coverage loss moment field creating at above-mentioned cell list for creation module 312 is set to the moment of above-mentioned this coverage loss of UE, and in above-mentioned list item, the value of coverage loss time digital section is set to 1, and after the resident success of above-mentioned rrc layer, in above-mentioned list item, the value of duration field is set to the duration of above-mentioned this coverage loss of UE; And the value of above-mentioned creation module 312 coverage loss moment field in the list item of above-mentioned network list establishment is set to the moment of above-mentioned this coverage loss of UE, and in above-mentioned list item, the value of coverage loss time digital section is set to 1, and after the resident success of above-mentioned rrc layer, in above-mentioned list item, the value of duration field is set to the duration of above-mentioned this coverage loss of UE;
Wherein, the duration of above-mentioned this coverage loss of UE comprises from the duration in moment to the above-mentioned resident 33 resident successful moment of module of above-mentioned this coverage loss.
Further, the UE in the present embodiment can also comprise: determination module 314, and this determination module 314 is operated in the rrc layer of above-mentioned UE;
Search module 310, also for after knowing above-mentioned UE coverage loss, in above-mentioned cell list, search the list item corresponding with community, the front place of this coverage loss of above-mentioned UE;
Determination module 314, find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE for ought above-mentionedly searching module 310 at above-mentioned cell list, and the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field is less than or equal to the first pre-timing difference, and when in above-mentioned list item, the value of duration field is less than or equal to the first predetermined threshold, the type of determining above-mentioned this coverage loss of UE is of short duration coverage loss; In the time that the value of duration field in above-mentioned list item is greater than above-mentioned the first predetermined threshold, the type of determining above-mentioned this coverage loss of UE is not of short duration coverage loss;
Search module 310, also for finding the list item corresponding with community, the front place of this coverage loss of above-mentioned UE when searching module 310 at above-mentioned cell list, and the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field is while being greater than the first pre-timing difference, or when searching module 310 do not find the list item corresponding with community, the front place of this coverage loss of above-mentioned UE in above-mentioned cell list time, in above-mentioned network list, search the list item corresponding with the front place of this coverage loss of above-mentioned UE network;
Determination module 314, also find the list item corresponding with the front place of this coverage loss of above-mentioned UE network for ought above-mentionedly searching module 310 in above-mentioned network list, and the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field is less than or equal to the second pre-timing difference, and when in above-mentioned list item, the value of duration field is less than or equal to the second predetermined threshold, the type of determining above-mentioned this coverage loss of UE is of short duration coverage loss; In the time that the value of duration field in above-mentioned list item is greater than above-mentioned the second predetermined threshold, the type of determining above-mentioned this coverage loss of UE is not of short duration coverage loss; When the above-mentioned module 310 of searching finds the list item corresponding with the front place of this coverage loss of above-mentioned UE network in above-mentioned network list, and the time difference in the moment of above-mentioned this coverage loss of UE and above-mentioned list item between the value of coverage loss moment field, while being greater than the second pre-timing difference, the type of determining this this coverage loss of UE was not of short duration coverage loss; And when searching module 310 do not find the list item corresponding with the front place of this coverage loss of UE network in above-mentioned network list time, the type of determining this coverage loss of UE is not of short duration coverage loss.
Wherein, the size of the above-mentioned first pre-timing difference, the second pre-timing difference, the first predetermined threshold and the second predetermined threshold can be in the time of specific implementation, set voluntarily according to performance requirement and actual needs, the first pre-timing difference can equate with the second pre-timing difference, also can not wait; Equally, the first predetermined threshold also can not equate with the second predetermined threshold or not etc.; The present invention is not construed as limiting the size of the above-mentioned first pre-timing difference, the second pre-timing difference, the first predetermined threshold and the second predetermined threshold.For instance, the above-mentioned first pre-timing difference and the second pre-timing difference can be all 20 seconds, and above-mentioned the first predetermined threshold and above-mentioned the second predetermined threshold can be all 10 seconds.
In above-mentioned subscriber equipment, in the time of the of short duration coverage loss of subscriber equipment, it is resident that resident module 33 first utilizes in advance the cell list obtaining to carry out community, if resident failure, it is resident that the network list that recycling obtains is in advance carried out community, if utilize the above-mentioned list cannot resident success, just start full range search, thereby can reduce the probability of full range search, reduce the subscriber equipment resident energy consumption that enters suitable cell again, and then can shorten the subscriber equipment resident time that enters suitable cell again.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (16)

1. a district staying method, is characterized in that, comprising:
The Non-Access Stratum of subscriber equipment receives the coverage loss notification message of the radio resource control layer transmission of described subscriber equipment, and described coverage loss notification message carries the type of definite described this coverage loss of subscriber equipment of described radio resource control layer;
In the time that the type of described this coverage loss of subscriber equipment is of short duration coverage loss, the Non-Access Stratum of described subscriber equipment starts period 1 property search network timer, in the timing length of described period 1 property search network timer, it is resident that community is carried out in the cell list Zhong community that the radio resource control layer selection of described subscriber equipment obtains in advance; After described period 1 property search network timer expiry, if the resident failure of described radio resource control layer, described Non-Access Stratum starts property second round search network timer, in the timing length of described property second round search network timer, it is resident that community is carried out in the community that the network in the network list that the radio resource control layer of described subscriber equipment is selected to obtain in advance comprises;
After described property second round search network timer expiry, if the resident failure of described radio resource control layer, the Non-Access Stratum of described subscriber equipment sends network search request to the radio resource control layer of described subscriber equipment, carries out full range search with the frequency range of asking described radio resource control layer to be supported at described subscriber equipment;
The Non-Access Stratum of described subscriber equipment receives the network identity that described radio resource control layer sends after searching network, send the resident request in community to described radio resource control layer, described network identity is carried in the resident request in described community, so that described radio resource control layer resides in the community that described network identity map network comprises;
The cell list Zhong community that the radio resource control layer of described subscriber equipment is selected to obtain in advance carries out that community is resident to be comprised:
The radio resource control layer of described subscriber equipment is in the cell list obtaining in advance, it is resident that community is carried out in selection priority Gao community, if carry out the resident failure in community in described priority Gao community, and this resident time used is less than the duration recording in the duration field of the corresponding list item in the community of priority Gao described in described cell list, and it is resident that described radio resource control layer carries out community again in described priority Gao community; If again carry out the resident failure in community in described priority Gao community, described radio resource control layer is reduced to minimum by the priority of described priority Gao community, and repeat in the described cell list obtaining in advance, select priority Gao community to carry out the resident step in community and subsequent step thereof, until described period 1 property search network timer expiry or the resident success of described radio resource control layer.
2. method according to claim 1, it is characterized in that, after the Non-Access Stratum of described subscriber equipment receives the coverage loss notification message of radio resource control layer transmission of described subscriber equipment, the Non-Access Stratum of described subscriber equipment also comprises before sending network search request to the radio resource control layer of described subscriber equipment:
In the time that the type of described this coverage loss of subscriber equipment is not of short duration coverage loss, the Non-Access Stratum of described subscriber equipment starts described property second round search network timer;
In the timing length of described property second round search network timer, it is resident that community is carried out in the community that the network in the network list that the radio resource control layer of described subscriber equipment is selected to obtain in advance comprises.
3. method according to claim 1 and 2, is characterized in that, the community that the network in the network list that the radio resource control layer of described subscriber equipment is selected to obtain in advance comprises carries out that community is resident to be comprised:
The radio resource control layer of described subscriber equipment is in the network list obtaining in advance, it is resident that community is carried out in the community of selecting the highest network of priority to comprise, if the resident failure in community is carried out in the community comprising at the highest network of described priority, and this resident time used is less than the duration recording in the duration field of the corresponding list item of network that described in described network list, priority is the highest, and it is resident that the community that described radio resource control layer comprises at the highest network of described priority is carried out community again; If the community comprising at the highest network of described priority is carried out the resident failure in community again, described radio resource control layer is reduced to minimum by the priority of network the highest described priority, and repeat in the described network list obtaining in advance, the resident step in community and subsequent step thereof are carried out in the community of selecting the highest network of priority to comprise, until described property second round search network timer expiry or the resident success of described radio resource control layer.
4. method according to claim 2, is characterized in that, also comprises:
If in the timing length of described period 1 property search network timer, the resident success of described radio resource control layer, described radio resource control layer adds 1 by the value of the resident number of success field of the corresponding list item in resident radio resource control layer described in described cell list successful community, and upgrades the priority of the resident successful community of described radio resource control layer according to the value of the resident number of success field of the corresponding list item in the resident successful community of described radio resource control layer and coverage loss time digital section.
5. method according to claim 3, is characterized in that, also comprises:
If in the timing length of described property second round search network timer, the resident success of described radio resource control layer, described radio resource control layer adds 1 by the value of the resident number of success field of the corresponding list item of resident radio resource control layer described in described network list successful network, and upgrades the priority of the resident successful network of described radio resource control layer according to the value of the resident number of success field of the corresponding list item of the resident successful network of described radio resource control layer and coverage loss time digital section.
6. according to the method described in claim 1,2,4 or 5, it is characterized in that, also comprise:
After the resident success of radio resource control layer of described subscriber equipment, the Non-Access Stratum of described subscriber equipment receives the resident successfully instruction in community and the described subscriber equipment of described radio resource control layer transmission and returns the instruction of covering, and is switched to normal service state.
7. according to the method described in claim 1,2,4 or 5, it is characterized in that, also comprise:
After the radio resource control layer of described subscriber equipment is known described subscriber equipment coverage loss, in described cell list, search the list item corresponding with community, the front place of this coverage loss of described subscriber equipment; And in described network list, search the list item corresponding with the front place of this coverage loss of described subscriber equipment network;
If find the list item corresponding with community, the front place of this coverage loss of described subscriber equipment in described cell list, the value of coverage loss moment field in described list item is updated to the moment of described this coverage loss of subscriber equipment, and the value of time digital section of coverage loss in described list item is added to 1, and after the resident success of described radio resource control layer, the value of duration field in described list item is updated to the duration of described this coverage loss of subscriber equipment; If find the list item corresponding with the front place of this coverage loss of described subscriber equipment network in described network list, the value of coverage loss moment field in described list item is updated to the moment of described this coverage loss of subscriber equipment, and the value of time digital section of coverage loss in described list item is added to 1, and after the resident success of described radio resource control layer, the value of duration field in described list item is updated to the duration of described this coverage loss of subscriber equipment;
If do not find the list item corresponding with community, the front place of this coverage loss of described subscriber equipment in described cell list, in described cell list, create the list item corresponding with community, the front place of this coverage loss of described subscriber equipment, in described list item, the value of coverage loss moment field is set to the moment of described this coverage loss of subscriber equipment, and in described list item, the value of coverage loss time digital section is set to 1, and after the resident success of described radio resource control layer, in described list item, the value of duration field is set to the duration of described this coverage loss of subscriber equipment, if do not find the list item corresponding with the front place of this coverage loss of described subscriber equipment network in described network list, in described network list, create the list item corresponding with the front place of this coverage loss of described subscriber equipment network, in described list item, the value of coverage loss moment field is set to the moment of described this coverage loss of subscriber equipment, and in described list item, the value of coverage loss time digital section is set to 1, and after the resident success of described radio resource control layer, in described list item, the value of duration field is set to the duration of described this coverage loss of subscriber equipment,
The duration of described this coverage loss of subscriber equipment comprises from the duration in moment to the described resident successful moment of radio resource control layer of described this coverage loss.
8. according to the method described in claim 1,2,4 or 5, it is characterized in that, the Non-Access Stratum of described subscriber equipment also comprises before receiving the coverage loss notification message of radio resource control layer transmission of described subscriber equipment:
After the radio resource control layer of described subscriber equipment is known described subscriber equipment coverage loss, in described cell list, search the list item corresponding with community, the front place of this coverage loss of described subscriber equipment;
If found, and the time difference in the moment of described this coverage loss of subscriber equipment and described list item between the value of coverage loss moment field is less than or equal to the first pre-timing difference,, in the time that the value of duration field in described list item is less than or equal to the first predetermined threshold, described radio resource control layer determines that the type of described this coverage loss of subscriber equipment is of short duration coverage loss; In the time that the value of duration field in described list item is greater than described the first predetermined threshold, described radio resource control layer determines that the type of described this coverage loss of subscriber equipment is not of short duration coverage loss;
If find the list item corresponding with community, the front place of this coverage loss of described subscriber equipment in described cell list, but the time difference in the moment of described this coverage loss of subscriber equipment and described list item between the value of coverage loss moment field is greater than the described first pre-timing difference, or, in described cell list, do not find the list item corresponding with community, the front place of this coverage loss of described subscriber equipment, described radio resource control layer is searched the list item corresponding with the front place of this coverage loss of described subscriber equipment network in described network list; If found, and the time difference in the moment of described this coverage loss of subscriber equipment and described list item between the value of coverage loss moment field is less than or equal to the second pre-timing difference,, in the time that the value of duration field in described list item is less than or equal to the second predetermined threshold, described radio resource control layer determines that the type of described this coverage loss of subscriber equipment is of short duration coverage loss; In the time that the value of duration field in described list item is greater than described the second predetermined threshold, described radio resource control layer determines that the type of described this coverage loss of subscriber equipment is not of short duration coverage loss;
If find the list item corresponding with the front place of this coverage loss of described subscriber equipment network in described network list, but the time difference in the moment of described this coverage loss of subscriber equipment and described list item between the value of coverage loss moment field is greater than the second pre-timing difference, or, in described network list, do not find the list item corresponding with the front place of this coverage loss of described subscriber equipment network, described radio resource control layer determines that the type of described this coverage loss of subscriber equipment is not of short duration coverage loss.
9. a subscriber equipment, is characterized in that, comprising: receiver module, startup module, resident module and sending module; Wherein, described receiver module, described startup module and described sending module are operated in the Non-Access Stratum of described subscriber equipment; Described resident module is operated in the radio resource control layer of described subscriber equipment;
Described receiver module, the coverage loss notification message sending for receiving the radio resource control layer of described subscriber equipment, described coverage loss notification message carries the type of definite described this coverage loss of subscriber equipment of described radio resource control layer;
Described startup module, in the time that the type of described this coverage loss of subscriber equipment is of short duration coverage loss, starts period 1 property search network timer; And after described period 1 property search network timer expiry, if the resident failure of described resident module starts property second round search network timer;
Described resident module, in the timing length of described period 1 property search network timer, it is resident that community is carried out in the cell list Zhong community that selection obtains in advance; And in the timing length of described property second round search network timer, it is resident that community is carried out in the community that the network in the network list of selecting to obtain in advance comprises;
Described resident module, specifically in the cell list obtaining in advance, it is resident that community is carried out in selection priority Gao community, if carry out the resident failure in community in described priority Gao community, and this resident time used is less than the duration recording in the duration field of the corresponding list item in the community of priority Gao described in described cell list, again carry out community in described priority Gao community resident; If again carry out the resident failure in community in described priority Gao community, the priority of described priority Gao community is reduced to minimum, and repeat in the described cell list obtaining in advance, select priority Gao community to carry out the resident step in community and subsequent step thereof, until described period 1 property search network timer expiry or the resident success of described resident module;
Described sending module, for after described property second round search network timer expiry, if the resident failure of described resident module, send network search request to the radio resource control layer of described subscriber equipment, to ask the frequency range that described radio resource control layer is supported at described subscriber equipment to carry out full range search;
Described receiver module, the network identity also sending after searching network for receiving described radio resource control layer;
Described sending module, also, for sending the resident request in community to described radio resource control layer, the network identity that described receiver module receives is carried in the resident request in described community, so that described resident module resides in the community that described network identity map network comprises.
10. subscriber equipment according to claim 9, is characterized in that,
Described startup module, also for receive the coverage loss notification message of radio resource control layer transmission of described subscriber equipment at described receiver module after, before described sending module sends network search request to the radio resource control layer of described subscriber equipment, in the time that the type of described this coverage loss of subscriber equipment is not of short duration coverage loss, start described property second round search network timer.
11. according to the subscriber equipment described in claim 9 or 10, it is characterized in that,
Described resident module, specifically in the network list obtaining in advance, it is resident that community is carried out in the community of selecting the highest network of priority to comprise, if the resident failure in community is carried out in the community comprising at the highest network of described priority, and this resident time used is less than the duration recording in the duration field of the corresponding list item of network that described in described network list, priority is the highest, and it is resident that the community comprising at the highest network of described priority is carried out community again; If the community comprising at the highest network of described priority is carried out the resident failure in community again, the priority of network the highest described priority is reduced to minimum, and repeat in the described network list obtaining in advance, the resident step in community and subsequent step thereof are carried out in the community of selecting the highest network of priority to comprise, until described property second round search network timer expiry or the resident success of described resident module.
12. subscriber equipmenies according to claim 10, is characterized in that, also comprise: the first counting module and the first update module, and described the first counting module and described the first update module are operated in the radio resource control layer of described subscriber equipment;
Described the first counting module, for in the timing length of described period 1 property search network timer, described resident module is resident when successful, and the value of the resident number of success field of the corresponding list item in resident radio resource control layer described in described cell list successful community is added to 1;
Described the first update module, for upgrading the priority of the resident successful community of described radio resource control layer according to the value of the resident number of success field of the corresponding list item in the resident successful community of described radio resource control layer and coverage loss time digital section.
13. subscriber equipmenies according to claim 11, is characterized in that, also comprise: the second counting module and the second update module, and described the second counting module and described the second update module are operated in the radio resource control layer of described subscriber equipment;
Described the second counting module, for in the timing length of described property second round search network timer, described resident module is resident when successful, and the value of the resident number of success field of the corresponding list item of resident radio resource control layer described in described network list successful network is added to 1;
Described the second update module, for upgrading the priority of the resident successful network of described radio resource control layer according to the value of the resident number of success field of the corresponding list item of the resident successful network of described radio resource control layer and coverage loss time digital section.
14. according to the subscriber equipment described in claim 9,10,12 or 13, it is characterized in that, also comprises: handover module, and described handover module is operated in the Non-Access Stratum of described subscriber equipment;
Described receiver module, also for after the resident success of described resident module, receives the resident successfully instruction in community that described radio resource control layer sends and described subscriber equipment and returns the instruction of covering;
Described handover module, for receiving the resident successfully instruction in described community and after described subscriber equipment returns the instruction of covering, the Non-Access Stratum of described subscriber equipment being switched to normal service state at described receiver module.
15. according to the subscriber equipment described in claim 9,10,12 or 13, it is characterized in that, also comprises: search module, the 3rd update module, creation module and module is set; Described module, described the 3rd update module, described creation module and the described radio resource control layer that module is set is operated in described subscriber equipment searched;
The described module of searching for after knowing described subscriber equipment coverage loss, is searched the list item corresponding with community, the front place of this coverage loss of described subscriber equipment in described cell list; And in described network list, search the list item corresponding with the front place of this coverage loss of described subscriber equipment network;
Described the 3rd update module, for when described in search module in the time that described cell list finds the list item corresponding with community, the front place of this coverage loss of described subscriber equipment, the value of coverage loss moment field in described list item is updated to the moment of described this coverage loss of subscriber equipment, and the value of time digital section of coverage loss in described list item is added to 1, and after the resident success of described radio resource control layer, the value of duration field in described list item is updated to the duration of described this coverage loss of subscriber equipment; When the described module of searching while finding the list item corresponding with the front place of this coverage loss of described subscriber equipment network in described network list, the value of coverage loss moment field in described list item is updated to the moment of described this coverage loss of subscriber equipment, and the value of time digital section of coverage loss in described list item is added to 1, and after the resident success of described radio resource control layer, the value of duration field in described list item is updated to the duration of described this coverage loss of subscriber equipment;
Described creation module, for when described in search module in the time that described cell list does not find the list item corresponding with community, the front place of this coverage loss of described subscriber equipment, the establishment list item corresponding with community, the front place of this coverage loss of described subscriber equipment in described cell list; When the described module of searching while not finding the list item corresponding with the front place of this coverage loss of described subscriber equipment network in described network list, in described network list, create the list item corresponding with the front place of this coverage loss of described subscriber equipment network;
The described module that arranges, the value of the list item coverage loss moment field creating at described cell list for described creation module is set to the moment of described this coverage loss of subscriber equipment, and in described list item, the value of coverage loss time digital section is set to 1, and after the resident success of described radio resource control layer, in described list item, the value of duration field is set to the duration of described this coverage loss of subscriber equipment; And the value of described creation module coverage loss moment field in the list item of described network list establishment is set to the moment of described this coverage loss of subscriber equipment, and in described list item, the value of coverage loss time digital section is set to 1, and after the resident success of described radio resource control layer, in described list item, the value of duration field is set to the duration of described this coverage loss of subscriber equipment;
The duration of described this coverage loss of subscriber equipment comprises from the duration in moment to the described resident resident successful moment of module of described this coverage loss.
16. according to the subscriber equipment described in claim 9,10,12 or 13, it is characterized in that, also comprises: determination module, and described determination module is operated in the radio resource control layer of described subscriber equipment;
Search module, also for after knowing described subscriber equipment coverage loss, in described cell list, search the list item corresponding with community, the front place of this coverage loss of described subscriber equipment;
Described determination module, described in being used for working as, search module and find the list item corresponding with community, the front place of this coverage loss of described subscriber equipment at described cell list, and the time difference in the moment of described this coverage loss of subscriber equipment and described list item between the value of coverage loss moment field is less than or equal to the first pre-timing difference, and when in described list item, the value of duration field is less than or equal to the first predetermined threshold, the type of determining described this coverage loss of subscriber equipment is of short duration coverage loss, in the time that the value of duration field in described list item is greater than described the first predetermined threshold, the type of determining described this coverage loss of subscriber equipment is not of short duration coverage loss, the described module of searching, also for when described in search module and find the list item corresponding with community, the front place of this coverage loss of described subscriber equipment at described cell list, but the time difference in the moment of described this coverage loss of subscriber equipment and described list item between the value of coverage loss moment field is while being greater than the first pre-timing difference, or, when the described module of searching while not finding the list item corresponding with community, the front place of this coverage loss of described subscriber equipment in described cell list, in described network list, search the list item corresponding with the front place of this coverage loss of described subscriber equipment network,
Described determination module, also for when described in search module and find the list item corresponding with the front place of this coverage loss of described subscriber equipment network in described network list, and the time difference in the moment of described this coverage loss of subscriber equipment and described list item between the value of coverage loss moment field is less than or equal to the second pre-timing difference, and when in described list item, the value of duration field is less than or equal to the second predetermined threshold, the type of determining described this coverage loss of subscriber equipment is of short duration coverage loss; In the time that the value of duration field in described list item is greater than described the second predetermined threshold, the type of determining described this coverage loss of subscriber equipment is not of short duration coverage loss; And when described in search module and in described network list, find the list item corresponding with the front place of this coverage loss of described subscriber equipment network, and the time difference in the moment of described this coverage loss of subscriber equipment and described list item between the value of coverage loss moment field, while being greater than the second pre-timing difference, the type of determining described this coverage loss of subscriber equipment was not of short duration coverage loss; And when described in search module do not find the list item corresponding with the front place of this coverage loss of described subscriber equipment network in described network list time, the type of determining described this coverage loss of subscriber equipment is not of short duration coverage loss.
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