CN102378362B - Method for processing concurrent inter-local area cell reselection and incoming call paging - Google Patents
Method for processing concurrent inter-local area cell reselection and incoming call paging Download PDFInfo
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- CN102378362B CN102378362B CN201010257773.XA CN201010257773A CN102378362B CN 102378362 B CN102378362 B CN 102378362B CN 201010257773 A CN201010257773 A CN 201010257773A CN 102378362 B CN102378362 B CN 102378362B
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Abstract
The invention discloses a method for processing concurrent inter-local area cell reselection and incoming call paging. The method comprises the following steps that: when receiving an incoming paging message of a network side and performing inter-local area cell reselection concurrently, user equipment (UE) in an idle state first judges whether the code channel power of an original cell broadcast channel received signal is greater than a preset threshold, if so, the UE returns to an original cell and continues a telephone service establishment flow. By the method, negative effects on telephone connection rate caused by multi-flow concurrency can be avoided better. In the concurrent situation of the inter-local area cell reselection and the incoming call paging, if the signal quality of the original cell allows, the UE is remained in the original cell as possible, so that the connection failure of a video/audio voice call caused by the reason that the UE cannot establish connection with the network side because of the cell reselection can be avoided.
Description
Technical field
The present invention relates to the communications field, particularly relate to incoming call paging and cell reselection technique.
Background technology
Phone (comprising voice call, visual telephone etc.) is as the basic service of mobile communication, the use sense that its call completing rate index is directly connected to user is subject to, and in mobile communication, unavoidably there will be the concurrent scene of some multipaths, certain negative effect is existed to the call completing rate of phone.As Idle state user terminal (User Equipment, be called for short " UE ") while the incoming call paging message that issues to network side at this position areas accept, parallel generation cell reselection, if the Target cell of gravity treatment and former community do not belong to the same band of position (LocalArea, be called for short " LA ") then UE cannot connect with the network side in original position region, thus cause this phone to connect.Specifically may comprise the following two kinds situation:
Situation 1: when UE receives at Idle state the incoming call paging message " pagingtypel " that network side issues, initiate at wireless heterogeneous networks (Radio Resource Control to network side, be called for short " RRC ") connection request, before receiving RRC connection establishment " the RRC Connection Setup " message of network side, interior UE judges to meet cell reselection thresholding during this period of time, according to agreement regulation, UE, now still at Idle state, must perform cell reselection;
Situation 2:UE monitored former cell paging correlated channels and receives the network side incoming call paging message " pagingtypel " belonging to this UE that issues of region in situ before registration is initiated in Target cell.
In above-mentioned two situations, if reselection target cell adheres to the different bands of position separately from former community, what namely occur is the cell reselection in cross-location region, due to the realization of current network side, even if UE responds this incoming call paging in new location area, network side also can not respond, thus causes this phone to connect.At some lane place borderline regions, the situation in the frequent spanning position district of UE may be there is, if now have other users with this UE of voice/video liaison mode paging, more phone access failure can be caused, thus affect call completing rate index, directly affect user's use sense and be subject to.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of inter-local area cell reselection and the concurrent processing method of incoming call paging, make when inter-local area cell reselection and incoming call paging process concurrency, can improve the percent of call completed of user as far as possible, the situation of inter-local area cell reselection and incoming call paging process concurrency that reduces is on the impact of user terminal percent of call completed.
In order to solve the problems of the technologies described above, the invention provides a kind of inter-local area cell reselection and the concurrent processing method of incoming call paging, comprising following steps:
When the incoming call paging message of Idle state user terminal UE reception network side and inter-local area cell reselection walk abreast and occur, judge whether former CBCH Received signal strength code channel power is greater than pre-determined threshold, if be greater than pre-determined threshold, then this UE returns to former community, continues telephone service Establishing process.
As the improvement of technique scheme, described pre-determined threshold can be: the minimum access level+threshold difference in former community.This threshold difference, between 3dB-6dB, is preferably 5dB.
As the improvement of technique scheme, described UE receives the incoming call paging message of network side and the inter-local area cell reselection situation about occurring that walks abreast and can comprise:
When UE receives at Idle state the incoming call paging message " pagingtypel " that network side issues, RRC connection request is sent to network side, before receiving the RRC connection establishment message " RRC ConnectionSetup " of network side, this UE meets cell re-selection conditions, carry out cell reselection, receiving target cell system message also obtains Target cell Location Area Code (Local Area Identity is called for short " LAI "), confirms that Target cell LAI is different from former community LAI.
As the improvement of technique scheme, the method also comprises following steps:
Described UE keeps in incoming call paging response message " paging response ";
Described UE continues in the step of telephone service Establishing process, and described UE returns temporary incoming call paging response message " paging response " to network side.
As the improvement of technique scheme, described UE receives the incoming call paging message of network side and the inter-local area cell reselection situation about occurring that walks abreast and can also comprise:
There is cell reselection in Idle state UE, after receiving system message of target cell " mib " and " sib1 ", obtain Target cell LAI and compare and determine that Target cell LAI is different from former community LAI, before registration is initiated in Target cell, UE monitors former cell paging channel and receives the network side incoming call paging message " pagingtypel " belonging to this UE that issues of region in situ.
As the improvement of technique scheme, described UE receives the incoming call paging message of network side and the inter-local area cell reselection situation about occurring that walks abreast and can also comprise:
There is cell reselection in Idle state UE, during reading system message of target cell, UE monitors former cell paging channel and receives the network side incoming call paging message " pagingtypel " belonging to this UE that issues of region in situ, after obtaining Target cell LAI, determine that the LAI of Target cell is different from the LAI of former community at reading system message of target cell.
As the improvement of technique scheme, described judge whether former CBCH Received signal strength code channel power is greater than the step of pre-determined threshold before, can also following steps be comprised: described UE keeps in described incoming call paging message " pagingtypel ";
Described user terminal continues in the step of telephone service Establishing process, and described UE, according to described temporary incoming call paging message " pagingtypel ", returns incoming call paging response message " pagingresponse " to network side.
As the improvement of technique scheme, described UE can return to former community in the following manner: Target cell state is set to " bar " by UE, and UE returns to former community.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are: when the incoming call paging message of Idle state UE reception network side and inter-local area cell reselection walk abreast and occur, first judge whether former CBCH Received signal strength code channel power is greater than pre-determined threshold, if be greater than pre-determined threshold, then this UE returns to former community, continues telephone service Establishing process.By which, the negative effect that multipaths complications exists percent of call completed can be avoided better.When inter-local area cell reselection and incoming call paging concurrent, if former cell signal quality allow, as far as possible UE is stayed former community, thus avoids UE cannot to connect with network side because of cell reselection, and cause phone to connect.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the concurrent process flow figure of first embodiment of the invention inter-local area cell reselection and incoming call paging;
Fig. 2 is the concurrent process flow figure of second embodiment of the invention inter-local area cell reselection and incoming call paging;
Fig. 3 is the concurrent process flow figure of third embodiment of the invention inter-local area cell reselection and incoming call paging.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
First embodiment of the invention relates to a kind of inter-local area cell reselection and the concurrent processing method of incoming call paging.
As shown in Figure 1, in a step 101, UE receives at Idle state the incoming call paging message " pagingtypel " that network side issues to idiographic flow.
In step 102, UE sends RRC connection request to network side, before not receiving the RRC connection establishment message " RRC Connection Setup " of network side, just meets cell reselection thresholding, enters step 103.
In step 103, UE starts cell reselection, then enters step 104.
In step 104, UE higher-layer protocols broadcast entity keeps in " paging response " response message.
In step 105, UE, in Target cell receiving system message, after reading system message " mib " and " sib1 ", therefrom obtains the LAI of Target cell, then enters step 106.
In step 106, the LAI of the LAI of Target cell and former community compares by UE higher-layer protocols broadcast entity, if two LAI differences, then enters step 107; If identical, then enter step 110, conventionally continue cell reselection process.
In step 107, former community broadcast channel Received signal strength code channel power (PCCPCH-RSCP) value is at that time judged, if the minimum access level+threshold difference in PCCPCH-RSCP >=former community, then enters step 108; Otherwise then enter step 110, conventionally continue cell reselection process.Here threshold difference, generally between 3dB to 6dB, preferably adopts 5dB in present embodiment.
In step 108, Target cell state is set to bar by UE higher-layer protocols broadcast entity, and terminal Hui Yuan community, then enters step 109.
In step 109, " paging response " response message temporary before carrying out cell reselection issues by UE higher-layer protocols broadcast entity, continues telephone service Establishing process.Thus, when inter-local area cell reselection and incoming call paging concurrent, as long as former cell signal quality allow, as far as possible UE is stayed former community, avoids UE cannot to connect with network side because of cell reselection, cause the situation that phone cannot be connected.
Second embodiment of the invention relates to a kind of inter-local area cell reselection and the concurrent processing method of incoming call paging equally.As shown in Figure 2.
In step 201, there is cell reselection in the UE of Idle state, receives system message of target cell " mib " and " sib1 " message.
In step 202, obtain the LAI of Target cell from " mib " and " sib1 " message, the LAI of the LAI of Target cell and former community compares by UE higher-layer protocols broadcast entity, if both are different, then enters step 203; If identical, then enter step 208, conventionally proceed cell reselection.
In step 203, the comparative result of LAI is kept in by UE higher-layer protocols broadcast entity.
UE carries out in the process of cell reselection, still former cell paging correlated channels is monitored, if at UE before registration is initiated in Target cell, UE receives the network side incoming call paging message " pagingtypel " belonging to this UE that issues of region in situ at former cell paging correlated channels, then enter step 204; If do not received, enter step 208, continue cell reselection, cell reselection idiographic flow is same as the prior art, does not repeat them here.
In step 204, UE higher-layer protocols broadcast entity keeps in this incoming call paging message " pagingtypel ", then enters step 205.
In step 205, UE higher-layer protocols broadcast entity judges former community PCCPCH-RSCP value at that time, if PCCPCH-RSCP >=former community minimum access level+5dB, then enters step 206; Otherwise then enter step 208, continue cell reselection, idiographic flow is same as the prior art, does not repeat them here.
In step 206, Target cell state is set to " bar " by UE, and UE returns to former community.
In step 207, the incoming call paging message " pagingtypel " that the response of UE higher-layer protocols broadcast entity is temporary, continues telephone service Establishing process.Comprise and send RRC connection request to network side, receive the RRC connection establishment message " RRC Connection Setup " that network side issues, set up RRC with network side to be connected, reply RRC connection setup complete message, reply page-response message etc. again, idiographic flow is same as the prior art, does not repeat them here.
Third embodiment of the invention relates to a kind of inter-local area cell reselection and the concurrent processing method of incoming call paging equally.Idiographic flow as shown in Figure 3.
In step 301, there is cell reselection in Idle state UE, reading system message of target cell.Monitor former cell paging correlated channels at cell reselection period UE simultaneously.
In step 302, during reading system message of target cell, UE monitors former cell paging correlated channels and receives the network side incoming call paging message " pagingtypel " belonging to this UE that issues of region in situ.
In step 303, UE higher-layer protocols broadcast entity is temporary should " pagingtypel " beep-page message.
In step 304, UE, after receiving system message of target cell " mib " and " sib1 ", therefrom obtains the LAI of Target cell, is compared by the LAI of the LAI of Target cell and former community, if both are different, then enters step 305; Otherwise then enter step 308, conventionally proceed cell reselection.
In step 305, UE judges former community PCCPCH-RSCP value at that time, if PCCPCH-RSCP >=former community minimum access level+5dB, then enters step 306; Otherwise then enter step 308, conventionally proceed cell reselection.
In step 306, Target cell state is set to " bar " by UE higher-layer protocols broadcast entity, UE Hui Yuan community.
In step 307, the incoming call paging message " pagingtypel " that the response of UE higher-layer protocols broadcast entity is temporary, continues telephone service Establishing process.
By the respective embodiments described above, the negative effect that multipaths complications exists the call completing rate of (voice/video) phone can be avoided better.When inter-local area cell reselection and incoming call paging concurrent, if former cell signal quality allow, as far as possible UE is stayed former community, thus avoids UE cannot to connect with network side because of cell reselection, and cause phone to connect.
Although by referring to some of the preferred embodiment of the invention, to invention has been diagram and describing, but those of ordinary skill in the art should be understood that and can do various change to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (10)
1. inter-local area cell reselection and the concurrent processing method of incoming call paging, is characterized in that, comprise following steps:
When the incoming call paging message of Idle state user terminal UE reception network side and inter-local area cell reselection walk abreast and occur, judge whether former CBCH Received signal strength code channel power is greater than pre-determined threshold, if be greater than pre-determined threshold, then this UE returns to former community, continues telephone service Establishing process.
2. inter-local area cell reselection according to claim 1 and the concurrent processing method of incoming call paging, it is characterized in that, described pre-determined threshold is: the minimum access level+threshold difference in former community.
3. inter-local area cell reselection according to claim 2 and the concurrent processing method of incoming call paging, it is characterized in that, described threshold difference is 3dB-6dB.
4. inter-local area cell reselection according to claim 3 and the concurrent processing method of incoming call paging, it is characterized in that, described threshold difference is 5dB.
5. inter-local area cell reselection according to claim 1 and the concurrent processing method of incoming call paging, is characterized in that, described UE receives the incoming call paging message of network side and the inter-local area cell reselection situation about occurring that walks abreast and is:
When UE receives at Idle state the incoming call paging message " pagingtype1 " that network side issues, radio resource control RRC connection request is sent to network side, before receiving the RRC connection establishment message " RRC Connection Setup " of network side, this UE meets cell re-selection conditions, carry out cell reselection, receiving target cell system message also obtains Target cell Location Area Code LAI, confirms that Target cell LAI is different from former community LAI.
6. inter-local area cell reselection according to claim 5 and the concurrent processing method of incoming call paging, is characterized in that, also comprise following steps:
Described UE keeps in incoming call paging response message " paging response ";
Described UE continues in the step of telephone service Establishing process, and described UE returns temporary incoming call paging response message " paging response " to network side.
7. inter-local area cell reselection according to claim 1 and the concurrent processing method of incoming call paging, is characterized in that, described UE receives the incoming call paging message of network side and the inter-local area cell reselection situation about occurring that walks abreast and is:
There is cell reselection in Idle state UE, after receiving system message of target cell " mib " and " sib1 ", obtain Target cell LAI and compare and determine that Target cell LAI is different from former community LAI, before registration is initiated in Target cell, UE monitors former cell paging channel and receives the network side incoming call paging message " pagingtype1 " belonging to this UE that issues of region in situ.
8. inter-local area cell reselection according to claim 1 and the concurrent processing method of incoming call paging, is characterized in that, described UE receives the incoming call paging message of network side and the inter-local area cell reselection situation about occurring that walks abreast and is:
There is cell reselection in Idle state UE, during reading system message of target cell, UE monitors former cell paging channel and receives the network side incoming call paging message " pagingtype1 " belonging to this UE that issues of region in situ, after obtaining Target cell LAI, determine that the LAI of Target cell is different from the LAI of former community at reading system message of target cell.
9. the inter-local area cell reselection according to claim 7 or 8 and the concurrent processing method of incoming call paging, it is characterized in that, described judge whether former CBCH Received signal strength code channel power is greater than the step of pre-determined threshold before, also comprise following steps: described UE keeps in described incoming call paging message " pagingtype1 ";
Described user terminal continues in the step of telephone service Establishing process, and described UE, according to described temporary incoming call paging message " pagingtype1 ", returns incoming call paging response message " paging response " to network side.
10. inter-local area cell reselection as claimed in any of claims 1 to 8 and the concurrent processing method of incoming call paging, it is characterized in that, described UE returns to former community in the following manner:
Target cell state is set to " bar " by described UE, and described UE returns to former community.
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| US8538425B2 (en) * | 2008-07-01 | 2013-09-17 | Qualcomm Incorporated | Apparatus and method for improving mobile terminated cell setup performance during inter-frequency cell reselection |
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