CN103906085A - System message updating detection method and user equipment (UE) - Google Patents
System message updating detection method and user equipment (UE) Download PDFInfo
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Abstract
The invention relates to the field of communications, and discloses a system message updating detection method and a piece of user equipment (UE). The method comprises if a paging message indicting that a network side changes a system message in a next MP is not received before a final paging period of UE in a current modification period (MP) begins, and in the final paging period of the current MP, a paging message indicating whether the network side changes the system message in the next MP is not correctly received, determining the possibility that the network side changes the system message in the next MP, and receiving a master information block (MIB) and system information blocks (SIBs) from the beginning of the next MP. By using the method and the UE, the problem of incapability of timely updating of the system message due to paging leakage generated when a wireless environment where the UE is located is quite severe (such as cell margins, same-frequency interference and the like) is voided, and the consistency of system configuration information between the UE and a base station is ensured.
Description
Technical field
The present invention relates to the communications field, particularly the determination methods of system message update.
Background technology
System message is divided into Master Information Block (MasterInformationBlock, be called for short " MIB ") and multiple system information block (SystemInformationBlocks, be called for short " SIBs "), MIB comprises limited most important, the most frequently used transformation parameter, and in SIBs, carry community access, the system configuration common information of up-downgoing traffic aided and UEdedicated information, the important informations such as neighboring BS information.The correct reception of system message is all vital for the operation of UE access network and whole network.In the time that base station needs system message update, can be in the next modification cycle (modification period is called for short " MP ") start to upgrade system message, the bit field systemInfo ValueTag of SIB1 in this MP can change, and can in last MP, whether have to inform by the bit field systemInfoModification in beep-page message whether UE system message changes simultaneously.If agreement regulation is never received beep-page message in a MP, think that next MP system message can not upgrade.
Each subscriber equipment (UE) has the beep-page message occasion(beep-pager meeting of oneself), UE need to be on the beep-page message occasion of oneself paging receiving, and base station may this UE of paging, also may this UE of not paging.
But, when the residing wireless environment of UE more severe, as cell edge, co-channel interference etc., can increase PDCCH(Physical Downlink Control Channel) false dismissal probability and PDSCH(Physical Downlink Shared Channel) the error rate, make UE in the beep-pager meeting of oneself, to receive beep-page message.Such as UE cannot detect the Downlink Control Information (DCI) on PDCCH, the beep-page message being carried on PDSCH also just cannot be detected; Or UE has detected DCI, but due to PDSCH decoding error, and cannot receive beep-page message.
If UE can go up and PDCCH do not detected at the beep-pager of oneself, be likely UE undetected PDCCH, also be likely that base station does not have issuing page message, because base station is can be to UE issuing page message in the time there is no paging, and beep-page message is without mixed automatic retransfer request (Hybrid AutomaticRepeat Request, be called for short " HARQ ") mechanism, so UE cannot not have issuing page message by not having solution just to judge base station to the DCI of beep-page message, for UE, cannot be confirmed to be that PDCCH is undetected or base station does not issue really.If so because the reason of UE itself is (as undetected, decoding error) cause not obtaining beep-page message, if and there is bit field systemInfoModification in this beep-page message, this UE can not know that next MP needs system message update, and then will cause UE to follow the tracks of in time system message after changing in the very first time, system configuration information between UE and base station is inconsistent, initiating system problem.
Summary of the invention
The object of the present invention is to provide a kind of detection method and subscriber equipment of system message update, even if making subscriber equipment can go up and not receive beep-page message at the beep-pager of oneself, also can receive in time the system message that network side upgrades, thereby guarantee the consistency of the system configuration information between UE and base station.
For solving the problems of the technologies described above, the invention provides a kind of detection method of system message update, comprise following steps:
If before user equipment (UE) last paging cycle in current modification cycle MP starts, do not receive indication in next MP network side by the beep-page message of altering system message, this UE, according to the situation of paging receiving message in described last paging cycle, judges the possibility that whether has network side altering system message in next MP;
If described UE judge in next MP, exist network side altering system message may, this UE starts to receive Master Information Block MIB and system information block SIBs from next MP.
The present invention also provides a kind of subscriber equipment, comprises first detection module, the second detection module, judge module and system message receiver module;
Before described first detection module starts for detection of last paging cycle in current modification cycle MP, whether receive indication in next MP network side by the beep-page message of altering system message, and detecting when not receiving indication network side being by the beep-page message of altering system message in next MP, trigger described the second detection module;
Described the second detection module is for paging receiving message in described last paging cycle;
Described judge module, for according to the situation of described the second detection module paging receiving message in described last paging cycle, judges the possibility that whether has network side altering system message in next MP;
When described system message receiver module exists network side altering system message possible for judging at described judge module in next MP, start to receive Master Information Block MIB and system information block SIBs from next MP.
Embodiment of the present invention in terms of existing technologies, before UE last paging cycle in current MP starts, do not receive indication in next MP network side by the beep-page message of altering system message, and in last paging cycle of current MP, also fail correctly to receive indication whether beep-page message of altering system message of network side in next MP, judge in next MP, exist network side altering system message may, and start to receive Master Information Block MIB and system information block SIBs from next MP.Because UE is not because receive whether the uncertain beep-page message of beep-page message leaks receipts in the situation that, time started point at next MP is removed to receive SI, avoid because the residing wireless environment of UE is badly (as cell edge, co-channel interference etc.) and there is to leak paging and then the problem of the system message that cannot upgrade in time.Whether that is to say, UE is by the situation that whether uncertain beep-page message leaks receipts, needs the time started point of next MP to remove to receive SI, change, thereby guaranteed the consistency of the system configuration information between UE and base station with the system message of determining next MP.
Preferably, UE in the following manner, paging receiving message in described last paging cycle:
A. attempt receiving the beep-page message that network side issues for first paging group;
B. described UE judges whether correctly to receive beep-page message;
If C. described UE fails correctly to receive beep-page message, attempt receiving the beep-page message that issues for next paging group of network side, and get back to step B until described UE correctly receives the beep-page message that network side issues or the beep-page message of attempting receiving has been the beep-page message of last paging group;
The situation of described basis paging receiving message in described last paging cycle, judges in the possible step that whether has network side altering system message in next MP, comprises following sub-step:
If described UE correctly receives beep-page message, whether there is " systemInfoModification " bit field according in this beep-page message receiving, determine in next MP that whether network side is by altering system message;
If after the beep-page message that described UE issues for last paging group at trial reception network side, correctly do not receive yet beep-page message, judge the possibility that has network side altering system message in next MP.
Because UE starts to receive from the beep-page message of first paging group, increase the possibility that receives beep-page message.Even if therefore do not receive the beep-page message of oneself in the beep-pager meeting of oneself, also likely receive the beep-page message of other paging groups, and according to whether there being bit field systemInfoModification in other users' that receive beep-page message, whether auxiliary judgment system message changes, and whether make UE can be informed in time network side in next MP needs to upgrade system message.
Preferably, UE is not correctly receiving after the beep-page message that network side issues for last paging group, judge in next MP, exist network side altering system message may before, also carry out following steps:
Described UE is by Signal to Interference plus Noise Ratio (the Signal to Interference plus Noise Ratio in the time attempting receiving the beep-page message of this UE place paging group, be called for short SINR), compare with default SINR threshold value, if described SINR is more than or equal to described SINR threshold value, directly judge the possibility that does not have network side altering system message in next MP; If be less than described SINR threshold value, judge again the possibility that has network side altering system message in next MP.
The reason of failing to receive beep-page message due to UE may be that wireless environment is more severe, is likely also due to not issuing page message of base station itself.Therefore, utilize the channel quality of SINR threshold detection UE in the time receiving the beep-page message of oneself, can effectively determine the reason of not receiving beep-page message, and then judge whether really to exist the possibility of network side altering system message, to avoid the unnecessary consumption of UE resource.
Preferably, UE, before described SINR and described SINR threshold value are compared, first judges whether to detect the Downlink Control Information DCI in physical downlink control channel PDCCH; If described DCI detected, directly judge the possibility that has network side altering system message in next MP; If described DCI do not detected, carry out again the comparison of described SINR and described SINR threshold value.
Owing to DCI being detected as UE, but cannot receive beep-page message because of PDSCH decoding error time, substantially can determine due to the severe of wireless environment and cannot receive beep-page message, therefore now can directly judge the possibility that has network side altering system message in next MP; If because not detecting that DCI cannot receive beep-page message, needing by current SINR judgement is that base station does not have below beep-page message or because the severe DCI causing of wireless environment is undetected, with further simple flow, saves the system resource of UE again.
Accompanying drawing explanation
Fig. 1 is the detection method flow chart according to the system message update of first embodiment of the invention;
Fig. 2 is the detection method flow chart according to the system message update of second embodiment of the invention;
Fig. 3 is the user device architecture schematic diagram according to third embodiment of the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the embodiments of the present invention are explained in detail.But, persons of ordinary skill in the art may appreciate that in the each execution mode of the present invention, in order to make reader understand the application better, many ins and outs are proposed.But, even without these ins and outs and the many variations based on following execution mode and modification, also can realize the each claim of the application technical scheme required for protection.
The first execution mode of the present invention relates to a kind of detection method of system message update.Idiographic flow as shown in Figure 1.
In step 101, before UE last paging cycle in current modification cycle MP starts, judge whether to receive indication in next MP network side by the beep-page message of altering system message.
Specifically, because changing (except indivedual special circumstances), system message only occurs in modification cycle (modification period, be called for short " MP ") border, and, the duration according to default parameter m odificationPeriodCoeff and defaultPagingCycle decision MP: MP=modificationPeriodCoeff*defaultPagingCycle.For base station, if start to carry out system message change at next MP, all UE in Hui Gei community send out beep-page message, simultaneously in beep-page message, carry bit field systemInfoModification, indicate all UE, and the starting of next MP has system message to change; Detect own beep-page message for UE in need to the each paging cycle in a MP, detect oneself beep-page message modifcationPeriodCoeff time, whether inspection carries bit field systemInfoModification.
In this step, before UE last paging cycle in current modification cycle MP starts, judge whether front modificationPeriodCoeff-1 time receive beep-page message in, received indication in next MP network side by the beep-page message of altering system message.Wherein, indication network side in next MP is the beep-page message that has " systemInfoModification " bit field by the beep-page message of altering system message.
If in this step, UE has received the beep-page message that has " systemInfoModification " bit field before judging that last paging cycle in current modification cycle MP starts, directly enters step 104, otherwise enters step 102.
In step 102, UE judges whether in the end in a paging cycle, to receive beep-page message, if in the end receive beep-page message in a paging cycle, enters step 103, otherwise enters step 105.Such as in the end, in a paging cycle, UE is paging receiving message in the beep-pager meeting of oneself, if receive the beep-page message of oneself, enters step 103; If do not receive the beep-page message of oneself, enter step 105.
In step 103, UE judges whether the beep-page message receiving indicates in next MP network side by altering system message.Be that UE detects in the beep-page message receiving, whether to carry bit field " systemInfoModification ".If detect in beep-page message and carry bit field " systemInfoModification ", enter step 104, if bit field " systemInfoModification " do not detected, enter step 106.
In step 105, in step 102, judge and in the end in a paging cycle, do not receive after beep-page message, enter this step, UE judges the possibility that whether has network side altering system message in next MP.
Specifically, UE can in the end not receive after beep-page message in a paging cycle, directly judges in this step the possibility that has network side altering system message in next MP; Can in the end in a paging cycle, not receive after beep-page message yet, the SINR when attempting paging receiving message, the comparative result with default SINR threshold value, judge in next MP, whether have the possible of network side altering system message.Such as, UE by detect in the beep-pager meeting of oneself, attempt paging receiving message time SINR, compare with a default SINR threshold value, if the SINR detecting is more than or equal to SINR threshold value, there is not the severe problem of wireless environment in explanation, directly judges the possibility that does not have network side altering system message in next MP; If the SINR detecting is less than SINR threshold value, judge again the possibility that has network side altering system message in next MP.
Further, in this step, can also, before the SINR threshold value of the SINR detecting and setting is compared, first judge whether to detect the Downlink Control Information DCI in physical downlink control channel PDCCH.If DCI detected, directly judge the possibility that has network side altering system message in next MP; If DCI do not detected, the comparison of the SINR detecting again and SINR threshold value.
It will be appreciated by those skilled in the art that, the false dismissal probability of the upper DCI of PDCCH is relevant with the size of SINR, in the time that SINR is higher, PDCCH substantially can be not undetected, if so attempting paging receiving message be, PDCCH do not detected at all, and SINR is while exceeding certain threshold value, can think that this time detecting is not that PDCCH is undetected, but base station do not have issuing page message really.
The reason of failing to receive beep-page message due to UE may be that wireless environment is more severe, is likely also due to not issuing page message of base station itself.Therefore, utilize the channel quality of SINR threshold detection UE in the time receiving the beep-page message of oneself, can effectively determine the reason of not receiving beep-page message, and then judge whether really to exist the possibility of network side altering system message, to avoid the unnecessary consumption of UE resource.And, owing to DCI being detected as UE, but cannot receive beep-page message because of PDSCH decoding error time, substantially can determine due to the severe of wireless environment and cannot receive beep-page message, therefore now can directly judge the possibility that has network side altering system message in next MP; If because not detecting that DCI cannot receive beep-page message, needing by current SINR judgement is that base station does not have below beep-page message or because the severe DCI causing of wireless environment is undetected, with further simple flow, saves the system resource of UE again.
Be understood that, in the time that the residing wireless environment of UE is more severe, can increase the error rate of false dismissal probability and the PDSCH of PDCCH, UE cannot not have issuing page message by not having solution just to judge base station to the DCI of beep-page message, if so because the reason of UE itself is undetected, decoding error causes not receiving beep-page message, if and there is bit field systemInfoModification in this beep-page message, this UE can not know that next MP needs system message update, and then will cause the UE system message that can not upgrade in time, initiating system problem.Therefore, in the present embodiment, need UE in the end in a paging cycle, not receive after beep-page message, further judgement is because base station does not have issuing page message at all, or what cause because of UE self problem is undetected, to obtain whether existing the possible judged result of network side altering system message in next MP.
In addition, it is worth mentioning that, the SINR threshold value in present embodiment is determined according to one of following factor or its combination in any: the resource block size of the MIMO mode of UE, Cyclic Prefix (CP) length, wireless environment, translational speed, bearing downlink control information DCI.Such as, choose AWGN(additive white Gaussian noise) mono-one receipts of 1T1R(under channel) antenna mode, short CP, CCE=4(is carried on DCI in 4 control channel element units) time 1% the corresponding SINR value of DCI false dismissal probability as this SINR threshold value.
If judge the possibility that has network side altering system message in next MP in step 105, enter step 104; If judge the possibility that does not have network side altering system message in next MP, enter step 106.
In step 104, UE starts to receive Master Information Block MIB and system information block SIBs from next MP's.That is to say, before UE last paging cycle in current MP starts or in last paging cycle, received indication in next MP network side by the beep-page message of altering system message; Or, there is network side altering system message possible in UE judges next MP time, from next MP start receive Master Information Block MIB and system information block SIBs, make this UE can get system update message, thus can with the configuration synchronization of base station on.
In step 106, UE is normal paging receiving message in next MP.That is to say, when not carrying bit field systemInfoModification in the beep-page message receiving in UE last paging cycle at current MP; Or, though UE does not in the end receive beep-page message in a paging cycle, but judge the possibility that do not have network side altering system message in next MP (as UE be because base station at all not issuing page message and do not receive this beep-page message) time, can think that network side can altering system message, therefore normal paging receiving message in next MP in next MP.
Due in the present embodiment, UE is not because receive whether the uncertain beep-page message of beep-page message leaks receipts in the situation that, time started point at next MP is removed to receive SI, avoid because the residing wireless environment of UE is badly (as cell edge, co-channel interference etc.) and there is to leak paging and then the problem of the system message that cannot upgrade in time.Whether that is to say, UE is by the situation that whether uncertain beep-page message leaks receipts, needs the time started point of next MP to remove to receive SI, change, thereby guaranteed the consistency of the system configuration information between UE and base station with the system message of determining next MP.
The second execution mode of the present invention relates to a kind of detection method of system message update.The second execution mode has done further improvement on the basis of the first execution mode, main improvements are: in second embodiment of the invention, in last paging cycle of current MP, UE is by the judgement to bit field systemInfoModification in other users' beep-page message, and whether auxiliary judgment system message changes.
Specifically, in the present embodiment, UE in the following ways, paging receiving message in last paging cycle of current MP:
A. attempt receiving the beep-page message that network side issues for first paging group;
B.UE judges whether correctly to receive beep-page message;
If C. UE fails correctly to receive beep-page message, attempt receiving the beep-page message that issues for next paging group of network side, and get back to step B until UE correctly receives the beep-page message that network side issues or the beep-page message of attempting receiving has been the beep-page message of last paging group.
If having, UE correctly receives beep-page message (no matter this beep-page message is network side issues for that paging group), whether UE there is " systemInfoModification " bit field according in this beep-page message receiving, and determines in next MP that whether network side is by altering system message; If after the beep-page message that UE issues for last paging group at trial reception network side, correctly do not receive yet beep-page message, directly judge the possibility that has network side altering system message in next MP, or SINR when attempting paging receiving message, with the comparative result of default SINR threshold value, judge in next MP, whether there is network side altering system message may.
Idiographic flow as shown in Figure 2, in step 201, before UE last paging cycle in current modification cycle MP starts, judge whether to receive indication in next MP network side by the beep-page message of altering system message.This step is identical with step 101, does not repeat them here.
If before in step 201, judgement last paging cycle in current modification cycle MP starts, receive the beep-page message that has " systemInfoModification " bit field, directly enter step 207, indication starts to receive MIB and SIBs from next MP's.If before judgement last paging cycle in current modification cycle MP starts in step 201, do not receive the beep-page message that has " systemInfoModification " bit field, enter step 202.
In step 202, UE initialization paging group number i=0.
Then,, in step 203, UE attempts the beep-page message of paging receiving group i.It will be appreciated by those skilled in the art that, the user's of Yi Ge community paging is a point paging group issuing page message, a paging group can be thought a beep-pager meeting, UE receives the beep-page message of oneself in the paging group of oneself, in a beep-page message, can comprise the paging of multiple UE in same paging group.The PF(paging frame that each paging group is corresponding) and the meeting of PO(beep-pager) be to calculate by the loop parameter of community.For example, if in cell paging parameter, nB=T/16, T (frame)=32, N=min (T, nB)=2, nB represents that user is divided into 2 paging groups, a paging group is at PF=0, T, 2T, 3T ...,, the upper transmission of PO=0 beep-page message, another paging group is at PF=16, T+16,2T+16,3T+16, ...,, the upper transmission of PO=0 beep-page message.If system message changes, all user's issuing page messages can be given in base station, and the RNTI(wireless network of the PDCCH of all beep-page messages is identified temporarily) be worth identical, so UE can receive other users' beep-page message.
In the time entering into this step for the first time, because i has been initialized to 0, therefore, the beep-page message that UE attempts the paging group i receiving is the beep-page message that network side issues for first paging group.
Then, in step 204, UE judges whether to receive beep-page message, if receive beep-page message, enters step 205; If correctly do not receive beep-page message, enter step 210.
In step 205, UE judges whether this beep-page message indicates in next MP network side by altering system message.Be that UE detects in the beep-page message receiving, whether to carry bit field " systemInfoModification ".If bit field " systemInfoModification " do not detected, enter step 206, indication is normal paging receiving message in next MP; If detect in beep-page message and carry bit field " systemInfoModification ", enter step 207, indication starts to receive MIB and SIBs next MP's.
After step 206 or step 207, enter step 208, whether the beep-page message of UE judgement oneself received, if received, direct process ends, if not yet received, enters step 209, paging receiving message in the beep-pager meeting of oneself.
In the time that judgement does not correctly receive beep-page message in step 204, enter step 210.In step 210, UE judges whether to also have paging group below, and UE judges whether the beep-page message that current trial receives has been the beep-page message of last paging group.If judge and also have paging group below, enter step 211, paging group sequence number i is added to 1, point to next paging group, get back to step 203; Whether, if judgement has not had paging group below, the beep-page message of current trial reception has been the beep-page message of last paging group, enters step 212, when judgement receives the beep-page message of oneself, be that PDCCH solution is right, but PDSCH separates mistake.If so, directly enter step 214, judge in next MP, exist network side altering system message may, indication starts to receive MIB and SIBs next MP's.
If in step 212, judge it is not that PDCCH solution is right, but PDSCH separates wrong, enter step 213, UE by detect in the beep-pager meeting of oneself, attempt paging receiving message time SINR, compare with a default SINR threshold value, if the SINR detecting is more than or equal to SINR threshold value, there is not the severe problem of wireless environment in explanation, enter step 215, judge the possibility that does not have network side altering system message in next MP, indication is normal paging receiving message in next MP.If in step 213, UE judges that the SINR detecting is less than SINR threshold value, enters step 214, judge in next MP, exist network side altering system message may, indication starts to receive MIB and SIBs next MP's.
That is to say, in the present embodiment, if UE has received the beep-page message that carries bit field systemInfoModification of oneself in modificationPeriodCoeff-1 paging cycle before, represent that next MP starts system message and has change.UE only needs to receive in a paging cycle in the end the beep-page message of oneself so.If do not carry bit field systemInfoModification in the beep-page message of having received in modificationPeriodCoeff-1 paging cycle before, base station likely notifies all UE system messages to change in paging cycle the last time so.
Therefore, UE need to start to receive from first paging group, if receive beep-page message, judge whether systemInfoModification bit field has been set to, if be set to, represent that next MP can upgrade system message, if be not set to, represent that next MP can not upgrade system message, UE only need to check in this paging cycle, whether the paging of oneself received so, if received before, flow process finishes so; If the paging of oneself does not receive, in the beep-pager meeting of oneself, receive the beep-page message of oneself.If beep-page message all do not detected in all paging groups, signal to noise ratio while judging the beep-page message that receives oneself, if while receiving the beep-page message of oneself, PDCCH separates, but PDSCH decoding error, UE need to, in the beginning receiving system message of next MP, judge whether system message update by the value of systemInfo ValueTag; If while receiving the paging of oneself, PDCCH does not separate, and SINR is at that time more than or equal to SINR threshold value SINR_threshold, UE thinks that base station does not have issuing page message really, next MP does not need to receive MIB, SIB1, if but current SINR is less than threshold value SINR_threshold, UE cannot judge that base station has issued beep-page message, or causes not receiving beep-page message because DCI is undetected.UE need to from next MP start to receive MIB and SIB1, whether change and judge whether system message update by systemInfo ValueTag.
Be not difficult to find, in the present embodiment, because UE starts to receive from the beep-page message of first paging group, increased the possibility that receives beep-page message.Even if therefore do not receive the beep-page message of oneself in the beep-pager meeting of oneself, also likely receive the beep-page message of other paging groups, and according to whether there being bit field systemInfoModification in other users' that receive beep-page message, whether auxiliary judgment system message changes, and whether make UE can be informed in time network side in next MP needs to upgrade system message.
The step of the whole bag of tricks is divided above, just in order being described clearly, can to merge into a step or some step is split while realization, is decomposed into multiple steps, as long as comprise identical logical relation, all in the protection range of this patent; To adding inessential modification in algorithm or in flow process or introducing inessential design, but the core design that does not change its algorithm and flow process is all in the protection range of this patent.
Third embodiment of the invention relates to a kind of subscriber equipment, as shown in Figure 3, comprises: first detection module, the second detection module, judge module and system message receiver module.
Wherein, before described first detection module starts for detection of last paging cycle in current modification cycle MP, whether receive indication in next MP network side by the beep-page message of altering system message (there is the beep-page message of " systemInfoModification " bit field), and detecting when not receiving indication network side being by the beep-page message of altering system message in next MP, trigger described the second detection module;
Described the second detection module is for paging receiving message in described last paging cycle;
Described judge module, for according to the situation of described the second detection module paging receiving message in described last paging cycle, judges the possibility that whether has network side altering system message in next MP;
When described system message receiver module exists network side altering system message possible for judging at described judge module in next MP, start to receive Master Information Block MIB and system information block SIBs from next MP.
In the present embodiment, the second detection module in the end still receives only the beep-page message of oneself in a paging cycle.Judge module can in the end not receive after beep-page message in a paging cycle at the second detection module, directly judges the possibility that has network side altering system message in next MP; Can in the end in a paging cycle, not receive after beep-page message yet, the SINR when attempting paging receiving message, the comparative result with default SINR threshold value, judge in next MP, whether have the possible of network side altering system message.Further, judge module can also, before the SINR threshold value of the SINR detecting and setting is compared, first judge whether to detect the Downlink Control Information DCI in physical downlink control channel PDCCH.If DCI detected, directly judge the possibility that has network side altering system message in next MP; If DCI do not detected, the comparison of the SINR detecting again and SINR threshold value.Wherein, SINR threshold value is determined according to one of following factor or its combination in any:
The resource block size of the MIMO mode of described UE, Cyclic Prefix length, wireless environment, translational speed, bearing downlink control information DCI.
Be not difficult to find, present embodiment is the system embodiment corresponding with the first execution mode, present embodiment can with the enforcement of working in coordination of the first execution mode.The correlation technique details of mentioning in the first execution mode is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in present embodiment also can be applicable in the first execution mode.
It is worth mentioning that, each module involved in present embodiment is logic module, and in actual applications, a logical block can be a physical location, can be also a part for a physical location, can also realize with the combination of multiple physical locations.In addition, for outstanding innovation part of the present invention, in present embodiment, the unit not too close with solving technical problem relation proposed by the invention do not introduced, but this does not show not exist in present embodiment other unit.
Four embodiment of the invention relates to a kind of subscriber equipment.The 4th execution mode has been done further improvement on the basis of the 3rd execution mode, main improvements are: in four embodiment of the invention, in last paging cycle of current MP, UE is by the judgement to bit field systemInfoModification in other users' beep-page message, and whether auxiliary judgment system message changes.
Specifically, the second detection module comprises reception submodule and described control submodule.Receive submodule for attempting receiving the beep-page message that network side issues in described last paging cycle; Control submodule for controlling the beep-page message that described reception submodule issues for first paging group from network side, attempt paging receiving message;
Wherein, described control submodule, in the time that described reception submodule correctly receives the beep-page message that network side issues, stops described reception submodule and attempts paging receiving message; When described control submodule fails correctly to receive beep-page message at described reception submodule, control described reception submodule and attempt receiving the beep-page message that network side issues for next paging group, until described reception submodule correctly receives the beep-page message that network side issues or the beep-page message of attempting receiving has been the beep-page message of last paging group.
When beep-page message that described judge module correctly receives at the reception submodule of described the second detection module, according to whether there is " systemInfoModification " bit field in this beep-page message receiving, determine in next MP that whether network side is by altering system message; When described judge module attempts receiving the beep-page message failure of last paging group at the reception submodule of described the second detection module, judge the possibility that has network side altering system message in next MP.
This judge module also comprises: comparison sub-module, attempt receiving for the reception submodule at described the second detection module after the beep-page message failure of last paging group, before judging the possibility that has network side altering system message in next MP, by the Signal to Interference plus Noise Ratio SINR in the time attempting receiving the beep-page message of this subscriber equipment place paging group, compare with default SINR threshold value.
Described judge module is described SINR while being less than described SINR threshold value in the result of described comparison, then judge in next MP, there is network side altering system message may.
It is worth mentioning that, in the present embodiment, comparison sub-module is also used in the reception submodule of described the second detection module and attempts receiving after the beep-page message failure of last paging group, before described SINR and described SINR threshold value are compared, first judge whether to detect the Downlink Control Information DCI in physical downlink control channel PDCCH; Described comparison sub-module is judging when described DCI do not detected, then carries out the comparison of described SINR and described SINR threshold value.Described judge module, in the time that described comparison sub-module detects described DCI, is directly judged the possibility that has network side altering system message in next MP.
Because the second execution mode is mutually corresponding with present embodiment, therefore present embodiment can with the enforcement of working in coordination of the second execution mode.The correlation technique details of mentioning in the second execution mode is still effective in the present embodiment, and the technique effect that can reach in the second execution mode can be realized in the present embodiment too, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in present embodiment also can be applicable in the second execution mode.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiments of the invention, and in actual applications, can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (12)
1. a detection method for system message update, is characterized in that, comprises following steps:
If before user equipment (UE) last paging cycle in current modification cycle MP starts, do not receive indication in next MP network side by the beep-page message of altering system message, this UE, according to the situation of paging receiving message in described last paging cycle, judges the possibility that whether has network side altering system message in next MP;
If described UE judge in next MP, exist network side altering system message may, this UE starts to receive Master Information Block MIB and system information block SIBs from next MP.
2. the detection method of system message update according to claim 1, is characterized in that, described UE in the following manner, paging receiving message in described last paging cycle:
A. attempt receiving the beep-page message that network side issues for first paging group;
B. described UE judges whether correctly to receive beep-page message;
If C. described UE fails correctly to receive beep-page message, attempt receiving the beep-page message that issues for next paging group of network side, and get back to step B until described UE correctly receives the beep-page message that network side issues or the beep-page message of attempting receiving has been the beep-page message of last paging group;
The situation of described basis paging receiving message in described last paging cycle, judges in the possible step that whether has network side altering system message in next MP, comprises following sub-step:
If described UE correctly receives beep-page message, whether there is " systemInfoModification " bit field according in this beep-page message receiving, determine in next MP that whether network side is by altering system message;
If after the beep-page message that described UE issues for last paging group at trial reception network side, correctly do not receive yet beep-page message, judge the possibility that has network side altering system message in next MP.
3. the detection method of system message update according to claim 2, is characterized in that,
Described UE is not correctly receiving after the beep-page message that network side issues for last paging group, judge in next MP, exist network side altering system message may before, also carry out following steps:
Described UE is by the Signal to Interference plus Noise Ratio SINR in the time attempting receiving the beep-page message of this UE place paging group, compare with default SINR threshold value, if described SINR is more than or equal to described SINR threshold value, directly judge the possibility that does not have network side altering system message in next MP; If be less than described SINR threshold value, judge again the possibility that has network side altering system message in next MP.
4. the detection method of system message update according to claim 3, is characterized in that,
Described UE, before described SINR and described SINR threshold value are compared, first judges whether to detect the Downlink Control Information DCI in physical downlink control channel PDCCH;
If described DCI detected, directly judge the possibility that has network side altering system message in next MP; If described DCI do not detected, carry out again the comparison of described SINR and described SINR threshold value.
5. the detection method of system message update according to claim 3, is characterized in that, described SINR threshold value is determined according to one of following factor or its combination in any:
The resource block size of the MIMO mode of described UE, Cyclic Prefix length, wireless environment, translational speed, bearing downlink control information DCI.
6. according to the detection method of the system message update described in any one in claim 1 to 5, it is characterized in that,
Described indication network side in next MP is the beep-page message that has " systemInfoModification " bit field by the beep-page message of altering system message.
7. a subscriber equipment, is characterized in that, comprises first detection module, the second detection module, judge module and system message receiver module;
Before described first detection module starts for detection of last paging cycle in current modification cycle MP, whether receive indication in next MP network side by the beep-page message of altering system message, and detecting when not receiving indication network side being by the beep-page message of altering system message in next MP, trigger described the second detection module;
Described the second detection module is for paging receiving message in described last paging cycle;
Described judge module, for according to the situation of described the second detection module paging receiving message in described last paging cycle, judges the possibility that whether has network side altering system message in next MP;
When described system message receiver module exists network side altering system message possible for judging at described judge module in next MP, start to receive Master Information Block MIB and system information block SIBs from next MP.
8. subscriber equipment according to claim 7, is characterized in that, described the second detection module comprises reception submodule and described control submodule;
Described reception submodule is for attempting receiving the beep-page message that network side issues in described last paging cycle;
Described control submodule, for controlling the beep-page message that described reception submodule issues for first paging group from network side, is attempted paging receiving message;
Wherein, described control submodule, in the time that described reception submodule correctly receives the beep-page message that network side issues, stops described reception submodule and attempts paging receiving message; When described control submodule fails correctly to receive beep-page message at described reception submodule, control described reception submodule and attempt receiving the beep-page message that network side issues for next paging group, until described reception submodule correctly receives the beep-page message that network side issues or the beep-page message of attempting receiving has been the beep-page message of last paging group;
When beep-page message that described judge module correctly receives at the reception submodule of described the second detection module, according to whether there is " systemInfoModification " bit field in this beep-page message receiving, determine in next MP that whether network side is by altering system message; When described judge module attempts receiving the beep-page message failure of last paging group at the reception submodule of described the second detection module, judge the possibility that has network side altering system message in next MP.
9. subscriber equipment according to claim 8, is characterized in that, described judge module also comprises:
Comparison sub-module, attempt receiving for the reception submodule at described the second detection module after the beep-page message failure of last paging group, before judging the possibility that has network side altering system message in next MP, by the Signal to Interference plus Noise Ratio SINR in the time attempting receiving the beep-page message of this subscriber equipment place paging group, compare with default SINR threshold value;
Described judge module is described SINR while being less than described SINR threshold value in the result of described comparison, then judge in next MP, there is network side altering system message may.
10. subscriber equipment according to claim 9, is characterized in that,
Described comparison sub-module also attempts receiving after the beep-page message failure of last paging group for the reception submodule at described the second detection module, before described SINR and described SINR threshold value are compared, first judge whether to detect the Downlink Control Information DCI in physical downlink control channel PDCCH; Described comparison sub-module is judging when described DCI do not detected, then carries out the comparison of described SINR and described SINR threshold value;
Described judge module, in the time that described comparison sub-module detects described DCI, is directly judged the possibility that has network side altering system message in next MP.
11. subscriber equipmenies according to claim 9, is characterized in that, described SINR threshold value is determined according to one of following factor or its combination in any:
The resource block size of the MIMO mode of described subscriber equipment, Cyclic Prefix length, wireless environment, translational speed, bearing downlink control information DCI.
12. according to the subscriber equipment described in any one in claim 7 to 11, it is characterized in that,
Described indication network side in next MP is the beep-page message that has " systemInfoModification " bit field by the beep-page message of altering system message.
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