CN105337707A - Clustering terminal state control method and system - Google Patents
Clustering terminal state control method and system Download PDFInfo
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- CN105337707A CN105337707A CN201410398889.3A CN201410398889A CN105337707A CN 105337707 A CN105337707 A CN 105337707A CN 201410398889 A CN201410398889 A CN 201410398889A CN 105337707 A CN105337707 A CN 105337707A
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Abstract
The invention provides a clustering terminal state control method. The method comprises steps: a UE side receives a discrimination threshold issued by a network side, and a corresponding wireless signal is measured; according to the threshold and the measurement value, if the UE judges the UE itself is at a region edge, the state is set to be state 1, if the UE judges the UE itself is in a region center, the state is set to be state 2, or otherwise, the state is unchanged; the network side configures or updates the discrimination threshold, the discrimination threshold is issued to the UE, the discrimination threshold is adaptively adjusted in a set region, the pieces of UE whose state is 1 in the region are maintained and counted, if the number is larger than a preset upper limit, drop adjustment is carried out on the threshold, if the number is smaller than a preset lower limit, rise adjustment is carried out on the threshold, or otherwise, the threshold is maintained to be unchanged. A feedback mechanism is built for group calling called UE in the edge region of the clustering group calling domain, and feasible support is provided for clustering link adaptation.
Description
Technical field
The present invention relates to wireless cluster communication system, particularly relate to colony terminal condition control method and system.
Background technology
B-TrunC standard is the broadband cluster standard based on LTE.
The processing mode of the short data service defined in " 2013-0931T-YD_ is based on the private network broadband cluster system technical requirement (first stage) of TD-LTE technology " document is the business that point-to-point has feedback, and the processing mode of multicast short message service is the point-to-multipoint business without feedback.All there is serious defect in these processing modes, wherein, although short data service reliability is high, efficiency is low, although and multicast short message service efficiency is high, poor reliability.This patent addresses this problem.
Summary of the invention
For overcoming the problems referred to above, the present invention proposes a kind of colony terminal condition control method, comprising:
Network side: configuration or renewal judgement threshold, and be handed down to UE; In setting district, self-adaptative adjustment is carried out to described judgement threshold, specifically comprises: safeguard and add up the number being in the UE of state 1; If the UE number of state 1 is greater than preset upper limit, then falling tone carries out to described thresholding whole; If the UE number of state 1 is less than pre-determined lower limit, then rising tune carries out to described thresholding whole; Otherwise it is constant to maintain described thresholding.
UE side: receive the judgement threshold that network side issues, and according to described judgement threshold, corresponding wireless signal is measured; The UE of group-calling service is had to judge according to described judgement threshold and described wireless signal measurements: if UE judges that self is in edges of regions, then state to be set to state 1; If UE judges that self is in regional center, then state is set to state 2; Otherwise UE hold mode is constant.
Preferably, the state of described UE comprises cluster connected state, non-clustered connected state, cluster IDLE state and non-clustered IDLE state, and described state 1 is cluster connected state, and described state 2 is other states except cluster connected state; The status controlling packet of described UE is drawn together: when UE judges that self is in edges of regions: if UE is non-clustered IDLE state or cluster IDLE state, then transfer cluster connected state to; If UE is non-clustered connected state, then transfer cluster connected state to; If UE is cluster connected state, then keep cluster connected state; When UE judges that self is in regional center: if UE is non-clustered IDLE state, then transfer cluster IDLE state to; If UE is cluster IDLE state, then keep cluster IDLE state; If UE is cluster connected state, then transfer cluster IDLE state to; If UE is non-clustered connected state, then keep non-clustered connected state.Further, after UE transfers cluster connected state to, the ID feeding back described group calling to network side can be manageed it.Further, described UE also comprises to network side feedack: link quality information, error rate indication information, interference indication information or its combination in any.
Preferably, described region is community, sector or single-frequency multicast network.
Preferably, described judgement threshold corresponds to one's respective area wireless signal, or corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal; Judgement threshold adopts the form of simple gate limit, double threshold or threshold value and corresponding hysteresis.
Further, described judgement threshold corresponds to one's respective area wireless signal, comprises threshold value A11 and A12, A11 are less than or equal to A12; Described UE measures the wireless signal of one's respective area; When measured value is less than A11, described UE judges that self is in edges of regions; When measured value is greater than A12, described UE judges that self is in regional center.Or described judgement threshold corresponds to one's respective area wireless signal, comprises threshold value and hysteresis, the wireless signal of UE to one's respective area is measured, when measured value is less than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in edges of regions; When measured value is greater than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in regional center.Or, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value B 11 and B12, described B11 is less than or equal to B12, the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is greater than B12, described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than B11, described UE judges that self is in edges of regions.Or, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value and hysteresis, the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and the difference of the two is greater than described threshold value and hysteresis sum, described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than the difference of described threshold value and hysteresis, described UE judges that self is in edges of regions.
Preferably, described measured value is the absolute value of the wireless signal corresponding to described thresholding, comprises RSRP; Or, be the relative value of the wireless signal corresponding to described thresholding, comprise RSRQ.Further, described measured value is instantaneous value or smothing filtering value, and described Filtering Formula is: M
n=(1-α) * M
n-1+ α * M
cur; Wherein, α is filtering factor, and value is 0 ~ 1; M
curfor current measurement value, M
n-1for the smothing filtering value of last time.
Preferably, described judgement threshold is by broadcast or paging delivery.
Preferably, the number that is in the UE of state 1 described in be region class or group calling level.Further, described in be in the UE of state 1 number be group calling level time, network side also receives the group calling ID of UE feedback, safeguards and be under this group calling in statistics one's respective area the UE number of state 1 according to described group calling ID; UE number according to being in state 1 under this group calling in described one's respective area carries out self-adaptative adjustment to described decision threshold.
Based on identical design, the present invention also proposes a kind of colony terminal state control system, and described system comprises network side apparatus and UE.Described network side apparatus: configuration or renewal judgement threshold, and be handed down to UE; In setting district, self-adaptative adjustment is carried out to described judgement threshold, comprising: safeguard and add up the number being in the UE of state 1; If the UE number of state 1 is greater than preset upper limit, then falling tone carries out to described thresholding whole; If the UE number of state 1 is less than pre-determined lower limit, then rising tune carries out to described thresholding whole; Otherwise it is constant to maintain described thresholding; Described UE: receive the judgement threshold that network side issues, and according to described judgement threshold, corresponding wireless signal is measured; The UE of group-calling service is had to judge according to described judgement threshold and described wireless signal measurements: if UE judges that self is in edges of regions, then state to be set to state 1; If UE judges that self is in regional center, then state is set to state 2; Otherwise UE hold mode is constant.
Preferably, the state of described UE comprises cluster connected state, non-clustered connected state, cluster IDLE state and non-clustered IDLE state, and described state 1 is cluster connected state, and described state 2 is other states except cluster connected state; The status controlling packet of described UE is drawn together: when UE judges that self is in edges of regions: if UE is non-clustered IDLE state or cluster IDLE state, then transfer cluster connected state to; If UE is non-clustered connected state, then transfer cluster connected state to; If UE is cluster connected state, then keep cluster connected state; When UE judges that self is in regional center: if UE is non-clustered IDLE state, then transfer cluster IDLE state to; If UE is cluster IDLE state, then keep cluster IDLE state; If UE is cluster connected state, then transfer cluster IDLE state to; If UE is non-clustered connected state, then keep non-clustered connected state.Further, after described UE transfers cluster connected state to, also feed back the ID of described group calling to network side.Further, described UE also comprises to network side feedack: link quality information, error rate indication information, interference indication information or its combination in any.
Preferably, described region is community, sector or single-frequency multicast network.
Preferably, described judgement threshold corresponds to one's respective area wireless signal, or corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal; Judgement threshold adopts the form of simple gate limit, double threshold or threshold value and corresponding hysteresis.
Further, described judgement threshold corresponds to one's respective area wireless signal, comprises threshold value A11 and A12, A11 are less than or equal to A12; Described UE measures the wireless signal of one's respective area; When measured value is less than A11, described UE judges that self is in edges of regions; When measured value is greater than A12, described UE judges that self is in regional center.Or described judgement threshold corresponds to one's respective area wireless signal, comprises threshold value and hysteresis, the wireless signal of UE to one's respective area is measured, when measured value is less than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in edges of regions; When measured value is greater than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in regional center.Or, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value B 11 and B12, described B11 is less than or equal to B12, the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is greater than B12, described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than B11, described UE judges that self is in edges of regions.Or, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value and hysteresis, the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and the difference of the two is greater than described threshold value and hysteresis sum, described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than the difference of described threshold value and hysteresis, described UE judges that self is in edges of regions.
Preferably, described measured value is the absolute value of the wireless signal corresponding to described thresholding, comprises RSRP; Or, be the relative value of the wireless signal corresponding to described thresholding, comprise RSRQ.Further, described measured value is instantaneous value or smothing filtering value, and described Filtering Formula is: M
n=(1-α) * M
n-1+ α * M
cur; Wherein, α is filtering factor, and value is 0 ~ 1; M
curfor current measurement value, M
n-1for the smothing filtering value of last time.
Preferably, described judgement threshold is by broadcast or paging delivery.
Preferably, the number that is in the UE of state 1 described in be region class or group calling level.Further, the number being in the UE of state 1 be group calling level time, described network side also receives the group calling ID of UE feedback, safeguards and be under this group calling in statistics one's respective area the UE number of state 1 according to described group calling ID; UE number according to being in state 1 under this group calling in described one's respective area carries out self-adaptative adjustment to described decision threshold.
The method and system that the present invention proposes establishes feedback mechanism for the group calling called UE in the fringe region in cluster multi call territory, and the link circuit self-adapting for cluster provides feasibility and supports.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the UE side process chart of put forward the methods of the present invention;
Fig. 2 is the UE state machine diagram of put forward the methods of the present invention;
Fig. 3 is the network side process chart of put forward the methods of the present invention;
Fig. 4 is the community schematic diagram of the embodiment of the present invention 1;
Fig. 5 is the community schematic diagram of the embodiment of the present invention 3;
Fig. 6 is the single-frequency multicast network schematic diagram of the embodiment of the present invention 4.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments; It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The method that the present invention proposes, UE side handling process refers to accompanying drawing 1, comprising:
Receive the judgement threshold that network side issues, and according to described thresholding, corresponding wireless signal is measured; The UE of group-calling service is had to judge according to described judgement threshold and described wireless signal measurements: if UE judges that self is in edges of regions, then state to be set to state 1; If UE judges that self is in regional center, then state is set to state 2; Otherwise UE keeps oneself state constant.
Namely wherein, the state of UE can comprise: namely cluster IDLE state has the IDLE state of group service, non-clustered IDLE state namely to have the connected state of group service and non-clustered connected state to be connected state without group service without the IDLE state of group service, cluster connected state.State 1 in said method can be cluster connected state, and state 2 is other states except cluster connected state.
The state variation of UE please refer to accompanying drawing 2, specifically comprises: when UE judges that self is in edges of regions: if UE is non-clustered IDLE state or cluster IDLE state, then transfer cluster connected state to; If UE is non-clustered connected state, then transfer cluster connected state to; If UE is cluster connected state, then keep cluster connected state; When UE judges that self is in regional center: if UE is non-clustered IDLE state, then transfer cluster IDLE state to; If UE is cluster IDLE state, then keep cluster IDLE state; If UE is cluster connected state, then transfer cluster IDLE state to; If UE is non-clustered connected state, then keep non-clustered connected state.Wherein, after UE transfers state 1 or cluster connected state to, the ID feeding back described group calling to network side can be manageed it.UE, except to except network side feedback group calling ID, also feeds back other information, as link quality information, error rate indication information, interference indication information etc.
In the above-mentioned methods, judgement threshold only can correspond to one's respective area wireless signal, and the setting of judgement threshold also can adopt simple gate limit, double threshold or thresholding in conjunction with the form of hysteresis.The situation of double threshold: set threshold value to be less than or equal to A12 as A11 and A12, A11; Now UE the wireless signal of one's respective area is measured; When measured value is less than A11, then UE judges that self is in edges of regions; When measured value is greater than A12, judge that self is in regional center.When A11 equals A12, judgement threshold then shows as the form of simple gate limit.Judgement threshold adopts threshold value in conjunction with the form of hysteresis: when measured value is less than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in edges of regions; When measured value is greater than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in regional center.
Judgement threshold can also correspond to one's respective area wireless signal and neighbouring region wireless signal; Same, the arranging of judgement threshold can adopt that simple gate is limit, double threshold or thresholding be in conjunction with the form of hysteresis.The form of such as list/double threshold: set judgement threshold as B11 and B12, B11 is less than or equal to B12 (situation about equaling is simple gate limit), the wireless signal of UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and the difference of the two is when being greater than B12, UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than B11, described UE judges that self is in edges of regions.Judgement threshold adopts the form of threshold value and hysteresis: when one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is greater than described threshold value and hysteresis sum, judges to be in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than the difference of described threshold value and hysteresis, judge to be in edges of regions.
In said method, the measured value of wireless signal can be the absolute value of the wireless signal corresponding to described thresholding, such as RSRP; Also can be the relative value of the wireless signal corresponding to described thresholding, such as RSRQ.Measured value can adopt instantaneous value, also can adopt statistical value, such as smothing filtering value (Filtering Formula: M
n=(1-α) * M
n-1+ α * M
cur; Wherein, α is filtering factor, and value is 0 ~ 1; M
curfor current measurement value, M
n-1for the smothing filtering value of last time.
Accordingly, network side handling process please refer to accompanying drawing 3, comprising:
Configuration or renewal judgement threshold, and be handed down to UE;
In in setting district, self-adaptative adjustment is carried out to described judgement threshold, specifically comprise: safeguard and add up the number being in the UE of state 1; If the UE number of state 1 is greater than preset upper limit, then falling tone carries out to described thresholding whole; If the UE number of state 1 is less than pre-determined lower limit, then rising tune carries out to described thresholding whole; Otherwise it is constant to maintain described thresholding.
Wherein, state 1 can be cluster connected state.Described judgement threshold is by broadcast or paging delivery.Described judgement threshold only can correspond to one's respective area wireless signal, also can correspond to the difference of one's respective area wireless signal and neighbouring region wireless signal.Described judgement threshold can adopt simple gate to limit, double threshold, or the various ways of threshold value and corresponding hysteresis.
Wherein, the number being in the UE of state 1 can be region class, also can be group calling level.When the described number being in the UE of state 1 be group calling level time, network side also receives the group calling ID of UE feedback, safeguards and be under this group calling in statistics one's respective area the UE number of state 1 according to described group calling ID; Accordingly self-adaptative adjustment is carried out to described decision threshold.
Region in said method can be community, sector or single-frequency multicast network etc.
Below by instantiation, said method is set forth in more detail.
Embodiment 1
Setting: judgement threshold corresponds to this district wireless signals, network side adopts threshold value A in conjunction with the center and peripheral of the formal definition community of hysteresis Hys, please refer to accompanying drawing 4.
Condition 1: measured value is less than threshold value and the difference of the two exceedes hysteresis, i.e. Ms<A-Hys,
Condition 2: measured value is greater than threshold value and the difference of the two exceedes hysteresis, i.e. Ms>A+Hys,
Condition 3:A-Hys≤Ms≤A+Hys;
Ms is the measured value of UE to community, place.
Satisfy condition 1 UE belong to cell edge region, such as UE1;
Satisfy condition 3 the state of its cluster of UE remain unchanged, such as UE3;
U2 moves to A2 point by A1 point, and at A1 point, UE2 satisfies condition 1, belongs to cell edge region; At A2 point, UE2 satisfies condition 2, belongs to center of housing estate region;
U4 moves to B2 point by B1 point, and at B1 point, UE4 satisfies condition 2, belongs to center of housing estate region; At B2 point, UE2 satisfies condition 1, belongs to cell edge region.
Embodiment 2
Setting: judgement threshold corresponds to the difference of this district wireless signals and adjacent cell wireless signal, network side adopts threshold value B in conjunction with the center and peripheral of the formal definition community of hysteresis Hys, then:
Condition 1:Ms-Mn<B-Hys;
Condition 2:Ms-Mn>B+Hys;
Condition 3:B-Hys≤Ms-Mn≤B+Hys;
Wherein, Ms is the measured value of UE to community, place; Mn is the measured value of UE to adjacent cell.
Satisfy condition 1 UE belong to cell edge region; Satisfy condition 2 UE belong to center of housing estate region; Satisfy condition 3 UE hold mode constant.
Embodiment 1 and embodiment 2 respectively describe when decision threshold corresponds to this district wireless signals and corresponds to the difference of this community and adjacent cell wireless signal how to judge UE region according to decision threshold.Wherein decision threshold have employed the form of threshold value in conjunction with hysteresis.Certain decision threshold also can adopt other forms, and such as double threshold or simple gate are limit.If above-described embodiment adopts double threshold, can set as follows: for embodiment 1, make edge thresholding A11=A-Hys, center thresholding A12=A+Hys; So to embodiment 2, make edge thresholding B11=B-Hys, center thresholding B12=B+Hys.Further, if adopt simple gate limit, then hysteresis Hys=0 is made.
Embodiment 3
Network side parameter: decision threshold A11=-115dBm, span [-130dBm ,-115dBm]; A12=-112dBm, span [-127dBm ,-112dBm]; The long upStep=1dB of decision threshold rising tune synchronizing, the long downStep=-2dB of falling tone synchronizing.A21/A22 is cell-level parameter, is respectively the upper and lower bound of cluster connected state UE number, makes A21=20, A22=1.
Please refer to accompanying drawing 5, make in the c0 of community and have 2 group-calling services, be respectively group calling 1 and group calling 2, wherein group calling 1 has 10 UE, makes as UE101 ~ UE110, and group calling 2 has 15 UE, makes as UE201 ~ UE215, and the RRC state of these UE is cluster IDLE state.
The RSRP making UE102 and UE105 in group calling 1 measure is followed successively by-120dBm and-117dBm; The RSRP making UE203, UE208 and UE211 in group calling 2 measure is followed successively by-116dBm ,-116dBm and-119dBm.
UE side: judge according to thresholding A11 and A12, UE102, UE105, UE203, UE208 and UE211 are in community c0 fringe region, again because their RRC state is cluster IDLE state, therefore, these UE initiate attachment respectively to community to be asked and enters cluster connected state, and to the group calling ID belonging to network side feedback UE and out of Memory (such as radio link quality CQI etc.).
Network side:
Community c0 judges that UE102 and UE105 of group calling 1 is in cell edge region also as cluster connected state, and UE203, UE208 and UE211 of group calling 2 are in cell edge region and are cluster connected state, amount to 5 cluster UE and are in cell edge region.
According to upper limit A21, the number that cluster UE is in cell edge region is less than A21, without the need to adjusting thresholding A11; According to lower limit A22, the number that cluster UE is in cell edge region is greater than A22, without the need to adjusting thresholding A12.
Periodically issue thresholding A11 and A12 by broadcast.
In embodiment 3, if A21/A22 is group calling level parameter, then the group calling ID reported according to each UE is added up in group calling 1 and group calling 2 (being namely in cluster connected state) the UE number being in cell edge by network side respectively, and compares with A21/A22 respectively; And do not use them and compare with A21/A22.
Embodiment 4
Network side parameter configuration:
Judgement threshold A11=-118dBm, value [-130dBm ,-115dBm], A12=-114dBm, value [-127dBm ,-112dBm]; A21/A22 is cell-level parameter, A21=5, A22=1, upStep=1dB, downStep=-2dB.
Please refer to accompanying drawing 6, make single-frequency multicast network Y1 be made up of community c9 ~ c11.There are 3 group-calling services in Y1, are respectively group calling 1, group calling 2 and group calling 3.Wherein, group calling 1 has 8 UE, makes as UE101 ~ UE108, and group calling 2 has 10 UE, makes as UE201 ~ UE210, and group calling 3 has 15 UE, makes as UE301 ~ UE315.
The RSRP making UE101, UE105 and UE108 in group calling 1 measure is followed successively by-118dBm ,-120dBm and-119dBm; The RSRP making UE202 and UE203 in group calling 2 measure is followed successively by-119dBm and-121dBm; The RSRP making UE310 and UE311 in group calling 3 measure is followed successively by-120dBm and-121dBm.
UE side:
Judge according to thresholding A11 and A12, UE101, UE105, UE108, UE202, UE203, UE310 and UE311 are in single-frequency multicast network Y1 fringe region;
The RRC state of UE102, UE105, UE108, UE202, UE203 and UE310 is made to be cluster IDLE state, then these UE initiate to adhere to respectively to community and ask and enter cluster connected state, and to the group calling ID belonging to network side feedback UE and out of Memory (such as radio link quality CQI etc.); The RRC state of UE311 is made to be cluster connected state, then to the group calling ID belonging to network side feedback UE and out of Memory (such as radio link quality CQI etc.).
Network side:
Single-frequency multicast network Y1 judges that UE101, UE105 and UE108 of group calling 1 are in cell edge region also as cluster connected state, UE202 and UE203 of group calling 2 is in cell edge region and is cluster connected state, UE310 and UE311 of group calling 3 is in cell edge region and is cluster connected state, amounts to 7 cluster UE and is in cell edge region.
According to thresholding A21, the number that cluster UE is in cell edge region is greater than A21, therefore, adds a decline step-length downStep to A11 and A12, is respectively-120dBm and-116dBm; And compare with the lower limit of A11 and A12 respectively, if A11 and A12 is all less than lower limit after adjustment, then maintains A11 and A12 value or be set to lower limit.
Then, periodically thresholding A11, A12 is issued by broadcast.
It should be noted that, in above-described embodiment, cluster multi call territory can Shi Yige community, also can be multiple community (community in such as single-frequency multicast network); Cluster connected state UE, except feed back the group calling ID of this UE to network side except, can also feed back remaining information, and such as: link quality information (such as CQI), error rate indication information (such as BLER), is also not limited thereto certainly.
Based on identical design, the present invention also proposes a kind of colony terminal state control system, and described system comprises network side apparatus and UE.
Described network side apparatus: configuration or renewal judgement threshold, and be handed down to UE; In setting district, self-adaptative adjustment is carried out to described judgement threshold, specifically comprises: safeguard and add up the number being in the UE of state 1; If the UE number of state 1 is greater than preset upper limit, then falling tone carries out to described thresholding whole; If the UE number of state 1 is less than pre-determined lower limit, then rising tune carries out to described thresholding whole; Otherwise it is constant to maintain described thresholding.
Described UE: receive the judgement threshold that network side issues, and according to described judgement threshold, corresponding wireless signal is measured; The UE of group-calling service is had to judge according to described judgement threshold and described wireless signal measurements: if UE judges that self is in edges of regions, then state to be set to state 1; If UE judges that self is in regional center, then state is set to state 2; Otherwise UE hold mode is constant.
Wherein, the state of UE comprises cluster connected state, non-clustered connected state, cluster IDLE state and non-clustered IDLE state, and described state 1 is cluster connected state, and described state 2 is other states except cluster connected state.The status controlling packet of UE is drawn together: when UE judges that self is in edges of regions: if UE is non-clustered IDLE state or cluster IDLE state, then transfer cluster connected state to; If UE is non-clustered connected state, then transfer cluster connected state to; If UE is cluster connected state, then keep cluster connected state; When UE judges that self is in regional center: if UE is non-clustered IDLE state, then transfer cluster IDLE state to; If UE is cluster IDLE state, then keep cluster IDLE state; If UE is cluster connected state, then transfer cluster IDLE state to; If UE is non-clustered connected state, then keep non-clustered connected state.Further, after described UE transfers cluster connected state to, also feed back the ID of described group calling to network side.Further, described UE also comprises to network side feedack: link quality information, error rate indication information, interference indication information or its combination in any.
Preferably, described region is community, sector or single-frequency multicast network.
Preferably, described judgement threshold corresponds to one's respective area wireless signal, or corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal; Judgement threshold adopts the form of simple gate limit, double threshold or threshold value and corresponding hysteresis.
Further, described judgement threshold corresponds to one's respective area wireless signal, comprises threshold value A11 and A12, A11 are less than or equal to A12; Described UE measures the wireless signal of one's respective area; When measured value is less than A11, described UE judges that self is in edges of regions; When measured value is greater than A12, described UE judges that self is in regional center.Or described judgement threshold corresponds to one's respective area wireless signal, comprises threshold value and hysteresis, the wireless signal of UE to one's respective area is measured, when measured value is less than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in edges of regions; When measured value is greater than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in regional center.Or, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value B 11 and B12, described B11 is less than or equal to B12, the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is greater than B12, described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than B11, described UE judges that self is in edges of regions.Or, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value and hysteresis, the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and the difference of the two is greater than described threshold value and hysteresis sum, described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than the difference of described threshold value and hysteresis, described UE judges that self is in edges of regions.
Preferably, described measured value is the absolute value of the wireless signal corresponding to described thresholding, comprises RSRP; Or, be the relative value of the wireless signal corresponding to described thresholding, comprise RSRQ.Further, described measured value is instantaneous value or smothing filtering value, and described Filtering Formula is: M
n=(1-α) * M
n-1+ α * M
cur; Wherein, α is filtering factor, and value is 0 ~ 1; M
curfor current measurement value, M
n-1for the smothing filtering value of last time.
Preferably, described judgement threshold is by broadcast or paging delivery.
Preferably, the number that is in the UE of state 1 described in be region class or group calling level.Further, the number being in the UE of state 1 be group calling level time, described network side also receives the group calling ID of UE feedback, safeguards and be under this group calling in statistics one's respective area the UE number of state 1 according to described group calling ID; UE number according to being in state 1 under this group calling in described one's respective area carries out self-adaptative adjustment to described decision threshold.
By finding out with last embodiment, the technical scheme that the present invention proposes establishes feedback mechanism for the group calling called UE in the fringe region in cluster multi call territory, and the link circuit self-adapting for cluster provides feasibility and supports.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (30)
1. a colony terminal condition control method, is characterized in that, comprising:
Network side:
Configuration or renewal judgement threshold, and be handed down to UE;
In setting district, self-adaptative adjustment is carried out to described judgement threshold, specifically comprises: safeguard and add up the number being in the UE of state 1; If the UE number of state 1 is greater than preset upper limit, then falling tone carries out to described thresholding whole; If the UE number of state 1 is less than pre-determined lower limit, then rising tune carries out to described thresholding whole; Otherwise it is constant to maintain described thresholding;
UE side:
Receive the judgement threshold that network side issues, and according to described judgement threshold, corresponding wireless signal is measured; The UE of group-calling service is had to judge according to described judgement threshold and described wireless signal measurements: if UE judges that self is in edges of regions, then state to be set to state 1; If UE judges that self is in regional center, then state is set to state 2; Otherwise UE hold mode is constant.
2. method according to claim 1, it is characterized in that, the state of described UE comprises cluster connected state, non-clustered connected state, cluster IDLE state and non-clustered IDLE state, and described state 1 is cluster connected state, and described state 2 is other states except cluster connected state; The status controlling packet of described UE is drawn together:
When UE judges that self is in edges of regions:
If UE is non-clustered IDLE state or cluster IDLE state, then transfer cluster connected state to;
If UE is non-clustered connected state, then transfer cluster connected state to;
If UE is cluster connected state, then keep cluster connected state;
When UE judges that self is in regional center:
If UE is non-clustered IDLE state, then transfer cluster IDLE state to;
If UE is cluster IDLE state, then keep cluster IDLE state;
If UE is cluster connected state, then transfer cluster IDLE state to;
If UE is non-clustered connected state, then keep non-clustered connected state.
3. method according to claim 2, is characterized in that, after described UE transfers cluster connected state to, also feeds back the ID of described group calling to network side.
4. method according to claim 3, is characterized in that, described UE also comprises to network side feedack: link quality information, error rate indication information, interference indication information or its combination in any.
5. method according to claim 1, is characterized in that, described region is community, sector or single-frequency multicast network.
6. method according to claim 1, is characterized in that, described judgement threshold corresponds to one's respective area wireless signal, or corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal; Judgement threshold adopts the form of simple gate limit, double threshold or threshold value and corresponding hysteresis.
7. method according to claim 6, is characterized in that, described judgement threshold corresponds to one's respective area wireless signal, comprises threshold value A11 and A12, A11 are less than or equal to A12; Described UE measures the wireless signal of one's respective area; When measured value is less than A11, described UE judges that self is in edges of regions; When measured value is greater than A12, described UE judges that self is in regional center.
8. method according to claim 6, it is characterized in that, described judgement threshold corresponds to one's respective area wireless signal, comprise threshold value and hysteresis, the wireless signal of UE to one's respective area is measured, when measured value is less than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in edges of regions; When measured value is greater than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in regional center.
9. method according to claim 6, it is characterized in that, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value B 11 and B12, described B11 is less than or equal to B12, and the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and the difference of the two is when being greater than B12, described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than B11, described UE judges that self is in edges of regions.
10. method according to claim 6, it is characterized in that, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value and hysteresis, the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and the difference of the two is greater than described threshold value and hysteresis sum, and described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than the difference of described threshold value and hysteresis, described UE judges that self is in edges of regions.
11. methods according to claim 1, is characterized in that, described measured value is the absolute value of the wireless signal corresponding to described thresholding, comprises RSRP; Or, be the relative value of the wireless signal corresponding to described thresholding, comprise RSRQ.
12. methods according to claim 11, is characterized in that, described measured value is instantaneous value or smothing filtering value, and described Filtering Formula is: M
n=(1-α) * M
n-1+ α * M
cur; Wherein, α is filtering factor, and value is 0 ~ 1; M
curfor current measurement value, M
n-1for the smothing filtering value of last time.
13. methods according to claim 1, is characterized in that, described judgement threshold is by broadcast or paging delivery.
14. methods according to claim 1, is characterized in that, described in be in the UE of state 1 number be region class or group calling level.
15. methods according to claim 14, it is characterized in that, the described number being in the UE of state 1 be group calling level time, described network side also receives the group calling ID of UE feedback, safeguards and be under this group calling in statistics one's respective area the UE number of state 1 according to described group calling ID; UE number according to being in state 1 under this group calling in described one's respective area carries out self-adaptative adjustment to described decision threshold.
16. 1 kinds of colony terminal state control systems, described system comprises network side apparatus and UE, it is characterized in that,
Described network side apparatus:
Configuration or renewal judgement threshold, and be handed down to UE;
In setting district, self-adaptative adjustment is carried out to described judgement threshold, specifically comprises: safeguard and add up the number being in the UE of state 1; If the UE number of state 1 is greater than preset upper limit, then falling tone carries out to described thresholding whole; If the UE number of state 1 is less than pre-determined lower limit, then rising tune carries out to described thresholding whole; Otherwise it is constant to maintain described thresholding;
Described UE:
Receive the judgement threshold that network side issues, and according to described judgement threshold, corresponding wireless signal is measured; The UE of group-calling service is had to judge according to described judgement threshold and described wireless signal measurements: if UE judges that self is in edges of regions, then state to be set to state 1; If UE judges that self is in regional center, then state is set to state 2; Otherwise UE hold mode is constant.
17. according to system described in claim 16, it is characterized in that, the state of described UE comprises cluster connected state, non-clustered connected state, cluster IDLE state and non-clustered IDLE state, and described state 1 is cluster connected state, and described state 2 is other states except cluster connected state; The status controlling packet of described UE is drawn together:
When UE judges that self is in edges of regions:
If UE is non-clustered IDLE state or cluster IDLE state, then transfer cluster connected state to;
If UE is non-clustered connected state, then transfer cluster connected state to;
If UE is cluster connected state, then keep cluster connected state;
When UE judges that self is in regional center:
If UE is non-clustered IDLE state, then transfer cluster IDLE state to;
If UE is cluster IDLE state, then keep cluster IDLE state;
If UE is cluster connected state, then transfer cluster IDLE state to;
If UE is non-clustered connected state, then keep non-clustered connected state.
18. systems according to claim 17, is characterized in that, after described UE transfers cluster connected state to, also feed back the ID of described group calling to network side.
19. systems according to claim 18, is characterized in that, described UE also comprises to network side feedack: link quality information, error rate indication information, interference indication information or its combination in any.
20. systems according to claim 16, is characterized in that, described region is community, sector or single-frequency multicast network.
21. systems according to claim 16, is characterized in that, described judgement threshold corresponds to one's respective area wireless signal, or correspond to the difference of one's respective area wireless signal and neighbouring region wireless signal; Judgement threshold adopts the form of simple gate limit, double threshold or threshold value and corresponding hysteresis.
22. systems according to claim 21, is characterized in that, described judgement threshold corresponds to one's respective area wireless signal, comprises threshold value A11 and A12, A11 are less than or equal to A12; Described UE measures the wireless signal of one's respective area; When measured value is less than A11, described UE judges that self is in edges of regions; When measured value is greater than A12, described UE judges that self is in regional center.
23. systems according to claim 21, it is characterized in that, described judgement threshold corresponds to one's respective area wireless signal, comprise threshold value and hysteresis, the wireless signal of UE to one's respective area is measured, when measured value is less than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in edges of regions; When measured value is greater than described threshold value, and when the difference of the two is greater than described hysteresis, described UE judges that self is in regional center.
24. systems according to claim 21, it is characterized in that, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value B 11 and B12, described B11 is less than or equal to B12, and the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and the difference of the two is when being greater than B12, described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than B11, described UE judges that self is in edges of regions.
25. systems according to claim 21, it is characterized in that, described judgement threshold corresponds to the difference of one's respective area wireless signal and neighbouring region wireless signal, comprise threshold value and hysteresis, the wireless signal of described UE to one's respective area and neighbouring region is measured, when one's respective area measured value is greater than neighbouring region measured value, and the difference of the two is greater than described threshold value and hysteresis sum, and described UE judges that self is in regional center; When one's respective area measured value is greater than neighbouring region measured value, and when the difference of the two is less than the difference of described threshold value and hysteresis, described UE judges that self is in edges of regions.
26. systems according to claim 16, is characterized in that, described measured value is the absolute value of the wireless signal corresponding to described thresholding, comprises RSRP; Or, be the relative value of the wireless signal corresponding to described thresholding, comprise RSRQ.
27. systems according to claim 26, is characterized in that, described measured value is instantaneous value or smothing filtering value, and described Filtering Formula is: M
n=(1-α) * M
n-1+ α * M
cur; Wherein, α is filtering factor, and value is 0 ~ 1; M
curfor current measurement value, M
n-1for the smothing filtering value of last time.
28. systems according to claim 16, is characterized in that, described judgement threshold is by broadcast or paging delivery.
29. systems according to claim 16, is characterized in that, described in be in the UE of state 1 number be region class or group calling level.
30. systems according to claim 29, it is characterized in that, the described number being in the UE of state 1 be group calling level time, described network side also receives the group calling ID of UE feedback, safeguards and be under this group calling in statistics one's respective area the UE number of state 1 according to described group calling ID; UE number according to being in state 1 under this group calling in described one's respective area carries out self-adaptative adjustment to described decision threshold.
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