CN107690171A - A kind of method and device for selecting persistent district - Google Patents

A kind of method and device for selecting persistent district Download PDF

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Publication number
CN107690171A
CN107690171A CN201610639418.6A CN201610639418A CN107690171A CN 107690171 A CN107690171 A CN 107690171A CN 201610639418 A CN201610639418 A CN 201610639418A CN 107690171 A CN107690171 A CN 107690171A
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China
Prior art keywords
trp
cell
ranks
reference symbol
system information
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CN107690171B (en
Inventor
许芳丽
谌丽
陈瑞卡
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Priority to CN201610639418.6A priority Critical patent/CN107690171B/en
Priority to PCT/CN2017/095424 priority patent/WO2018024192A1/en
Publication of CN107690171A publication Critical patent/CN107690171A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides a kind of method and device for selecting persistent district, is related to communication technical field, is newly eated dishes without rice or wine prototype system with solving the problems, such as that the method for existing selection persistent district does not apply to 5G.Wherein, the method for the selection persistent district includes：Persistent district is selected according to cell level information；Or persistent district is selected according to the cell level information and Network Access Point TRP class informations.The solution of the present invention can be realized selects persistent district in the cell structure of double-layer network deployment.

Description

A kind of method and device for selecting persistent district
Technical field
The present invention relates to communication technical field, more particularly, to a kind of method and device for selecting persistent district.
Background technology
In traditional LTE (Long Term Evolution, Long Term Evolution) system, disconnected state user equipment (UE) is only capable of examining A kind of network reference symbol i.e. cell-specific reference symbol CRS is measured, the CRS is unified transmission, cell-level in whole cell It is other unique.UE judges the channel quality of cell according to the CRS signals of each cell, and according to measurement result and configured threshold And whether frequency/native region priority etc., cell corresponding to judgement can be resident.Judging that a cell can be resident simultaneously In the case of, it is (including small that UE will also obtain the indispensable system information MIB (the fundamental system information of cell) of the cell, SIB1 Area selects the basic configuration information such as thresholding and time division duplex configuration) and SIB2 (including the basic configuration required for UE access cells Information), so as to judge whether the cell can be resident.If UE detects that the cell signal strength can be used as persistent district, But MIB or SIB1 or SIB2 is obtained in the cell and not successfully, or the cell forbids the UE to access, then it is described UE can disable the cell, it is impossible to as persistent district, then carry out cell reselection.
That is, in traditional LTE system, UE judges whether a cell can be resident will be according to two factors：1) The signal intensity based on CRS measurements of the cell；2) whether the cell indispensable system information MIB, SIB1 and SIB2 may be used Completely to obtain.As long as the two factors meet, it is possible to determine that current area can be resident.
But in 5G newly eats dishes without rice or wine prototype system, the typical deployment scenario of especially HFS is possible to occur one UE persistent districts include the situation of multiple Network Access Points (Transmission Reception Point, abbreviation TRP), this In the case of network reference symbol can include two-stage reference symbol, i.e. the reference symbol of the reference symbol of cell level and TRP ranks Number.And in traditional LTE system, only exist the reference symbol of cell level.
At this moment, the method for the selection persistent district being applicable in traditional LTE system will not in 5G newly eats dishes without rice or wine prototype system It is applicable again, it is necessary to which the method for new selection persistent district is newly eated dishes without rice or wine prototype system with applicable 5G.
The content of the invention
It is resident to solve existing selection it is an object of the invention to provide a kind of method and device for selecting persistent district The method of cell do not apply to 5G newly eat dishes without rice or wine prototype system the problem of.
In order to realize above-mentioned purpose, the present invention provides a kind of method for selecting persistent district, and methods described is based on bilayer The cell structure of network design, methods described include：
Persistent district is selected according to cell level information；Or
According to the cell level information and Network Access Point TRP class informations selection persistent district.
Preferably, described the step of selecting persistent district according to cell level information, includes：
Obtain the reference symbol of the cell level of cell；
If successfully getting the reference symbol of the cell level, the system information of the cell level of the cell is obtained；
If successfully getting the system information of the cell level, determine that the cell can be used as persistent district.
Preferably, methods described also includes：
If obtaining the reference symbol failure of the cell level or obtaining the system information failure of the cell level, enter Row cell reselection.
Preferably, it is determined that the cell can be used as persistent district after, methods described also includes：
When user equipment (UE) needs to access the persistent district, the reference symbol of the TRP ranks of the persistent district is obtained Number and TRP ranks system information；
If the reference symbol of the TRP ranks and the system information of TRP ranks are successfully got, according to the TRP got The system information of rank accesses the persistent district；
If obtain the TRP ranks reference symbol or TRP ranks system information failure, carry out cell reselection or TRP gravity treatments.
Preferably, methods described also includes：
When UE is moved in the persistent district, the persistent district is obtained according to default discontinuous receiving cycle The reference symbol of cell level；
If obtaining the reference symbol failure of the cell level, cell reselection is carried out.
Preferably, described the step of selecting persistent district according to the cell level information and TRP class informations, includes：
Obtain the reference symbol of cell level and the reference symbol of TRP ranks of cell；
If successfully getting the reference symbol of the cell level and the reference symbol of TRP ranks, the cell is obtained The system information of cell level；
If successfully getting the system information of the cell level, determine that the cell can be used as persistent district.
Preferably, described the step of selecting persistent district according to the cell level information and TRP class informations, includes：
Obtain the reference symbol of cell level and the reference symbol of TRP ranks of cell；
If successfully getting the reference symbol of the cell level and the reference symbol of TRP ranks, the cell is obtained The system information of cell level；
If successfully getting the system information of the cell level, obtain corresponding with the reference symbol of the TRP ranks The system information of the TRP ranks of TRP nodes；
If successfully getting the system information of the TRP ranks, determine that the cell can be used as persistent district.
Preferably, the system information of the cell level includes configuration information, described to determine that the cell conduct The step of persistent district, includes：
According to the configuration information, determine that the cell can be used as persistent district.
Preferably, methods described also includes：
If obtaining the reference symbol failure of the cell level or obtaining the system information failure of the cell level, enter Row cell reselection；Or
If obtaining the reference symbol failure of the TRP ranks or obtaining the system information failure of the TRP ranks, carry out Cell reselection or TRP gravity treatments.
Preferably, methods described also includes：
When UE is moved in the persistent district, the persistent district is obtained according to default discontinuous receiving cycle The reference symbol of cell level and the reference symbol of TRP ranks；
If obtaining the reference symbol failure of the cell level, cell reselection is carried out；Or
If obtaining the reference symbol failure of the TRP ranks, cell reselection or TRP gravity treatments are carried out.
Preferably, the system letter of the TRP ranks for obtaining TRP nodes corresponding with the reference symbol of the TRP ranks The step of breath, includes：
According to default system information acquisition modes, TRP nodes corresponding with the reference symbol of the TRP ranks are obtained The system information of TRP ranks；Or
According to the corresponding relation of the reference symbol of default TRP ranks and the system information of TRP ranks, obtain with it is described The system information of the TRP ranks of TRP nodes corresponding to the reference symbol of TRP ranks.
In addition, the present invention also provides a kind of device for selecting persistent district, described device is disposed small based on double-layer network Plot structure, described device include：
Selecting module, for selecting persistent district according to cell level information；Or according to the cell level information and Network Access Point TRP class informations select persistent district.
Preferably, the selecting module includes：
First acquisition unit, the reference symbol of the cell level for obtaining cell；
Second acquisition unit, for when successfully getting the reference symbol of the cell level, obtaining the cell The system information of cell level；
First determining unit, for when successfully getting the system information of the cell level, determining that the cell can To be used as persistent district.
Preferably, described device also includes：
First gravity treatment module, for obtaining the reference symbol failure of the cell level or obtaining the cell level System information failure when, carry out cell reselection.
Preferably, described device also includes：
First acquisition module, for when UE needs to access the persistent district, obtaining the TRP ranks of the persistent district Reference symbol and TRP ranks system information；
AM access module, for when successfully getting the system information of the reference symbol of the TRP ranks and TRP ranks, The persistent district is accessed according to the system information of the TRP ranks got；
Second gravity treatment module, for obtaining the system information failure of the reference symbol of the TRP ranks or TRP ranks When, carry out cell reselection or TRP gravity treatments.
Preferably, described device also includes：
Second acquisition module, for when UE is moved in the persistent district, according to default discontinuous receiving cycle Obtain the reference symbol of the cell level of the persistent district；
Triple modeling blocks, for when obtaining the reference symbol failure of the cell level, carrying out cell reselection.
Preferably, the selecting module includes：
3rd acquiring unit, for the reference symbol of cell level and the reference symbol of TRP ranks for obtaining cell；
4th acquiring unit, for being accorded with the reference for successfully getting the reference symbol of the cell level and TRP ranks Number when, obtain the system information of the cell level of the cell；
Second determining unit, for when successfully getting the system information of the cell level, determining that the cell can To be used as persistent district.
Preferably, the selecting module includes：
5th acquiring unit, for the reference symbol of cell level and the reference symbol of TRP ranks for obtaining cell；
6th acquiring unit, for being accorded with the reference for successfully getting the reference symbol of the cell level and TRP ranks Number when, obtain the system information of the cell level of the cell；
7th acquiring unit, for when successfully getting the system information of the cell level, obtaining and the TRP levels The system information of the TRP ranks of TRP nodes corresponding to other reference symbol；
3rd determining unit, for when successfully getting the system information of the TRP ranks, determining that the cell can be with As persistent district.
Preferably, the system information of the cell level includes configuration information, described to determine that the cell conduct Persistent district includes：
According to the configuration information, determine that the cell can be used as persistent district.
Preferably, described device also includes：
Quadruple modeling block, for obtaining the reference symbol failure of the cell level or obtaining the cell level System information failure, carry out cell reselection；Or
In the reference symbol failure for obtaining the TRP ranks or the system information failure for obtaining the TRP ranks, enter Row cell reselection or TRP gravity treatments.
Preferably, described device also includes：
3rd acquisition module, for when UE is moved in the persistent district, according to default discontinuous receiving cycle Obtain the reference symbol of the cell level of the persistent district and the reference symbol of TRP ranks；
5th gravity treatment module, for when obtaining the reference symbol failure of the cell level, carrying out cell reselection；Or Person, when obtaining the reference symbol failure of the TRP ranks, carry out cell reselection or TRP gravity treatments.
Preferably, the 7th acquiring unit is specifically used for：
According to default system information acquisition modes, TRP nodes corresponding with the reference symbol of the TRP ranks are obtained The system information of TRP ranks；Or
According to the corresponding relation of the reference symbol of default TRP ranks and the system information of TRP ranks, obtain with it is described The system information of the TRP ranks of TRP nodes corresponding to the reference symbol of TRP ranks.
By the present invention above-mentioned technical proposal, the beneficial effects of the present invention are：
The method and device of the selection persistent district of the present invention, persistent district or root can be selected by cell level information According to the cell level information and Network Access Point TRP class informations selection persistent district, so as to realize in double-layer network Persistent district is selected in the cell structure of deployment.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, it will make below to required in the embodiment of the present invention Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these accompanying drawings His accompanying drawing.
Fig. 1 is that 5G newly eats dishes without rice or wine the schematic diagrames of the network deployment scenarios one in prototype system.
Fig. 2 is that 5G newly eats dishes without rice or wine the schematic diagrames of the network deployment scenarios two in prototype system.
Fig. 3 is the flow chart of the method for the selection persistent district of the embodiment of the present invention one.
Fig. 4 is the flow chart of the method for the selection persistent district of the embodiment of the present invention two.
Fig. 5 is the flow chart of the method for the selection persistent district of the embodiment of the present invention three.
Fig. 6 is the another flow chart of the method for the selection persistent district of the embodiment of the present invention three.
Fig. 7 is one of structural representation of device of selection persistent district of the embodiment of the present invention.
Fig. 8 is the two of the structural representation of the device of the selection persistent district of the embodiment of the present invention.
Fig. 9 is the three of the structural representation of the device of the selection persistent district of the embodiment of the present invention.
Figure 10 is the four of the structural representation of the device of the selection persistent district of the embodiment of the present invention.
Figure 11 is the structural representation of the user equipment of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
First, network deployment scenarios that may be present illustrate in prototype system of newly being eated dishes without rice or wine to 5G.Specifically, according to current From the point of view of situation, it is understood that there may be two kinds of network deployment scenarios, details are as follows.
(1) network deployment scenarios one
Shown in Figure 1, same frequency layer is made up of multiple TRP, and each TRP can be considered a cell.It is specifically, every Only Network Access Point a TRP, system information BRCST SI corresponding to each TRP broadcast in individual system information area SIA.
For scene one, because each TRP can be considered a cell, so network deployment scenarios and current LTE cell class Seemingly, existing method selection persistent district can be used.
(2) network deployment scenarios two
Shown in Figure 2, same frequency layer has multiple TRP, forms a big cell.A specifically, big system Information area SIA includes multiple TRP, system information BRCST SI corresponding to each TRP broadcast.
For scene two, the sending method of network reference symbol may have three kinds：RS1/RS2、RS3.Specifically, for by The cell of multiple TRP compositions, the reference symbol RS1/ of each TRP (or part TRP for covering) meeting broadcast cell rank RS2 (it is assumed herein that being RS1/RS2, will mainly be similar to the LTE two-stage synchronizing signal PSS/SSS that eats dishes without rice or wine, be respectively used to thick same Step and essence are synchronous), while each TRP also has the reference symbol RS3 of oneself special TRP rank.
In such a case it is necessary to the sending method of system information also have a kind of possible design, i.e., necessary system Packet content containing two parts, a part be cell level system information (such as cell access and cell selection relevant parameter Information), another part is the system information (such as wireless parameter configuration information) of TRP ranks.Wherein, the system letter of cell level Cease (such as SIB1) transmission be the reference symbol RS1/RS2 based on cell level, and TRP ranks system information (such as SIB2 transmission) is then the reference symbol RS3 based on TRP ranks.When UE detects the RS1/RS2 of cell, The necessary system information of cell level can be obtained, and before really connection is established with cell, it can just obtain or confirm TRP levels Other system information.
So in the cell structure disposed similar to the double-layer network of scene two, suitable for the existing of traditional LTE system The method of selection persistent district will be no longer applicable, the method that redesign selection persistent district.
Shown in Figure 3, the embodiment of the present invention one provides a kind of method for selecting persistent district, for user equipment (UE), The cell structure that methods described is disposed based on double-layer network, wherein, methods described includes：
Step 301：Persistent district is selected according to cell level information；Or according to the cell level information and network Access point TRP class informations select persistent district.
So, the method for the selection persistent district of the embodiment of the present invention, persistent district can be selected by cell level information Or persistent district is selected according to the cell level information and Network Access Point TRP class informations, so as to realize double Persistent district is selected in the cell structure of layer network deployment.
Specifically, the cell level information includes the reference symbol of cell level and the system information of cell level, and The TRP class informations include the reference symbol of TRP ranks and the system information of TRP ranks.
How it is once according to cell level information selection persistent district described in the embodiment of the present invention two.In this hair It is once how to select to be resident according to the cell level information and Network Access Point TRP class informations described in bright embodiment three Cell.
It is shown in Figure 4 in the embodiment of the present invention two, select persistent district to specifically include according to cell level information：
Step 401：Obtain the reference symbol of the cell level of cell；
Step 402：If successfully get the reference symbol of the cell level, the cell level for obtaining the cell is System information；
Step 403：If successfully getting the system information of the cell level, it is resident small to determine that the cell can be used as Area.
That is, when selecting persistent district according to cell level information, according to the reference symbol of cell level and The acquisition of the system information of necessary cell level judges persistent district.
Wherein, i.e., can root after the reference symbol of the cell level is successfully got when performing the step 402 According to the reference symbol of the cell level and preset configuration information (such as configured threshold, frequency and the cell preference of the cell Level etc.), whether can be used as persistent district, and judging that the cell can be used as persistent district if prejudging the cell When, just carry out the acquisition of the system information of the cell level of the cell.
In the embodiment of the present invention, further, the system information of the cell level includes configuration information, the configuration Information such as including access grade information, whether allow it is resident information, cell can conduct described in the determination of the step 403 Persistent district is specially：
According to the configuration information, determine that the cell can be used as persistent district.
In the embodiment of the present invention, if the step 401 obtains the reference symbol failure of the cell level, if or described Step 402 obtains the system information failure of the cell level, to carry out cell reselection.
In the embodiment of the present invention, after it is determined that the cell can be used as persistent district, the selection persistent district Method also includes：
When user equipment (UE) needs to access the persistent district, the reference symbol of the TRP ranks of the persistent district is obtained Number and TRP ranks system information；
If the reference symbol of the TRP ranks and the system information of TRP ranks are successfully got, according to the TRP got The system information of rank accesses the persistent district；
If obtain the TRP ranks reference symbol or TRP ranks system information failure, carry out cell reselection or TRP gravity treatments.
Wherein, UE can be moved in fixed persistent district, when UE is moved in the persistent district, methods described Also include：
The reference symbol of the cell level of the persistent district is obtained according to default discontinuous receiving cycle；
If obtaining the reference symbol failure of the cell level, cell reselection is carried out.
So, by judging completely obtain the reference symbol of cell level and the system information of cell level, with regard to energy Enough realize selects persistent district in the cell structure of double-layer network deployment, and when can not completely obtain, carries out cell weight Choosing or TRP gravity treatments.
In the embodiment of the present invention three, when selecting persistent district according to cell level information and TRP class informations, it can use Two kinds of selection modes, the main distinction of both selection modes is the acquisition of the system information of TRP ranks, specifically, mode one The system information of TRP ranks is successfully got, mode two only gets the reference symbol of TRP ranks, then real The system information of TRP ranks is obtained when accessing network again, details are as follows.
Mode one
It is shown in Figure 5, specifically included according to the cell level information and TRP class informations selection persistent district：
Step 501：Obtain the reference symbol of cell level and the reference symbol of TRP ranks of cell；
Step 502：If successfully getting the reference symbol of the cell level and the reference symbol of TRP ranks, institute is obtained State the system information of the cell level of cell；
Step 503：If successfully getting the system information of the cell level, obtain the reference with the TRP ranks and accord with The system information of the TRP ranks of TRP nodes corresponding to number；
Step 504：If successfully getting the system information of the TRP ranks, it is resident small to determine that the cell can be used as Area.
Wherein, when performing the step 503, can be found corresponding first according to the reference symbol of the TRP ranks TRP nodes, further according to the reference symbol of the TRP ranks, obtain the TRP rank related to the corresponding TRP nodes access System information.
And the system information for obtaining the TRP ranks of TRP nodes corresponding with the reference symbol of the TRP ranks can use such as Under type：
(1) according to default system information acquisition modes, TRP sections corresponding with the reference symbol of the TRP ranks are obtained The system information of the TRP ranks of point；
(2) according to the corresponding relation of the reference symbol of default TRP ranks and the system information of TRP ranks, acquisition and institute State the system information of the TRP ranks of TRP nodes corresponding to the reference symbol of TRP ranks；Wherein, the corresponding relation can be in cell It is pre-configured with the system information of rank.
Mode two
It is shown in Figure 6, specifically included according to the cell level information and TRP class informations selection persistent district：
Step 601：Obtain the reference symbol of cell level and the reference symbol of TRP ranks of cell；
Step 602：If successfully getting the reference symbol of the cell level and the reference symbol of TRP ranks, institute is obtained State the system information of the cell level of cell；
Step 603：If successfully getting the system information of the cell level, it is resident small to determine that the cell can be used as Area.
Wherein, in the case of mode two, it is determined that behind the persistent district, before the persistent district is really accessed again The system information of TRP ranks corresponding to acquisition, normally to access the persistent district.
Specifically, the system information of the cell level includes configuration information, the configuration information is for example including access Class information, whether allow the information such as resident, cell described in the determination of the step 603 can be specially as persistent district：
According to the configuration information, determine that the cell can be used as persistent district.
In the embodiment of the present invention, when selecting persistent district according to cell level information and TRP class informations, further , methods described also includes：
If obtaining the reference symbol failure of the cell level or obtaining the system information failure of the cell level, enter Row cell reselection；Or
If obtaining the reference symbol failure of the TRP ranks or obtaining the system information failure of the TRP ranks, carry out Cell reselection or TRP gravity treatments.
And it is determined that the cell can be used as persistent district after, when UE is moved in the persistent district, the side Method also includes：
The reference symbol and TRP ranks of the cell level of the persistent district are obtained according to default discontinuous receiving cycle Reference symbol；
If obtaining the reference symbol failure of the cell level, cell reselection is carried out；Or
If obtaining the reference symbol failure of the TRP ranks, cell reselection or TRP gravity treatments are carried out.
So, by judging completely obtain related cell level information and TRP class informations, it becomes possible to realize and exist Persistent district is selected in the cell structure of double-layer network deployment, and when can not completely obtain, carries out cell reselection or TRP weights Choosing.
Shown in Figure 7, the embodiment of the present invention also provides a kind of device for selecting persistent district, with the selection shown in Fig. 3 The method of persistent district is corresponding, cell structure of the described device equally based on double-layer network deployment, specifically, described device bag Include：
Selecting module 71, for selecting persistent district according to cell level information；Or according to the cell level information Persistent district is selected with Network Access Point TRP class informations.
Specifically, shown in Figure 8, the selecting module 71 includes：
First acquisition unit 81, the reference symbol of the cell level for obtaining cell；
Second acquisition unit 82, for when successfully getting the reference symbol of the cell level, obtaining the cell Cell level system information；
First determining unit 83, for when successfully getting the system information of the cell level, determining the cell Persistent district can be used as.
Wherein, the system information of the cell level includes configuration information, and first determining unit 83 is specifically used for： According to the configuration information, determine that the cell can be used as persistent district.
Further, described device also includes：
First gravity treatment module, for obtaining the reference symbol failure of the cell level or obtaining the cell level System information failure when, carry out cell reselection.
Further, described device also includes：
First acquisition module, for when UE needs to access the persistent district, obtaining the TRP ranks of the persistent district Reference symbol and TRP ranks system information；
AM access module, for when successfully getting the system information of the reference symbol of the TRP ranks and TRP ranks, The persistent district is accessed according to the system information of the TRP ranks got；
Second gravity treatment module, for obtaining the system information failure of the reference symbol of the TRP ranks or TRP ranks When, carry out cell reselection or TRP gravity treatments.
Further, described device also includes：
Second acquisition module, for when UE is moved in the persistent district, according to default discontinuous receiving cycle Obtain the reference symbol of the cell level of the persistent district；
Triple modeling blocks, for when obtaining the reference symbol failure of the cell level, carrying out cell reselection.
Specifically, shown in Figure 9, the selecting module 71 includes：
3rd acquiring unit 91, for the reference symbol of cell level and the reference symbol of TRP ranks for obtaining cell；
4th acquiring unit 92, for successfully getting the reference of the reference symbol of the cell level and TRP ranks During symbol, the system information of the cell level of the cell is obtained；
Second determining unit 93, for when successfully getting the system information of the cell level, determining the cell Persistent district can be used as.
Wherein, the system information of the cell level includes configuration information, and first determining unit 83 is specifically used for：
According to the configuration information, determine that the cell can be used as persistent district.
Specifically, shown in Figure 10, the selecting module 71 includes：
5th acquiring unit 101, for the reference symbol of cell level and the reference symbol of TRP ranks for obtaining cell；
6th acquiring unit 102, for successfully getting the reference of the reference symbol of the cell level and TRP ranks During symbol, the system information of the cell level of the cell is obtained；
7th acquiring unit 103, for when successfully getting the system information of the cell level, obtain with it is described The system information of the TRP ranks of TRP nodes corresponding to the reference symbol of TRP ranks；
3rd determining unit 104, for when successfully getting the system information of the TRP ranks, determining the cell Persistent district can be used as.
Wherein, the 7th acquiring unit 103 is specifically used for：
According to default system information acquisition modes, TRP nodes corresponding with the reference symbol of the TRP ranks are obtained The system information of TRP ranks；Or
According to the corresponding relation of the reference symbol of default TRP ranks and the system information of TRP ranks, obtain with it is described The system information of the TRP ranks of TRP nodes corresponding to the reference symbol of TRP ranks.
Further, when selecting persistent district according to cell level information and TRP class informations, described device is also wrapped Include：
Quadruple modeling block, for obtaining the reference symbol failure of the cell level or obtaining the cell level System information failure, carry out cell reselection；Or
In the reference symbol failure for obtaining the TRP ranks or the system information failure for obtaining the TRP ranks, enter Row cell reselection or TRP gravity treatments.
Further, described device also includes：
3rd acquisition module, for when UE is moved in the persistent district, according to default discontinuous receiving cycle Obtain the reference symbol of the cell level of the persistent district and the reference symbol of TRP ranks；
5th gravity treatment module, for when obtaining the reference symbol failure of the cell level, carrying out cell reselection；Or Person, when obtaining the reference symbol failure of the TRP ranks, carry out cell reselection or TRP gravity treatments.
So, the device of the selection persistent district of the embodiment of the present invention, persistent district can be selected by cell level information Or persistent district is selected according to the cell level information and Network Access Point TRP class informations, so as to realize double Persistent district is selected in the cell structure of layer network deployment.
Referring to described in Figure 11, the embodiment of the present invention also provides a kind of user equipment, for selecting persistent district, the user Equipment includes bus 110, processor 111, transceiver 112, EBI 113, memory 114 and user interface 115.
Processor 111, for selecting persistent district according to cell level information；Or according to the cell level information Persistent district is selected with Network Access Point TRP class informations.
Transceiver 112, for data to be received and sent under the control of processor 111.
In fig. 11, bus architecture (being represented with bus 110), bus 110 can include the total of any number of interconnection Line and bridge, bus 110 are deposited what the one or more processors including being represented by general processor 111 and memory 114 represented The various circuits of reservoir link together.Bus 110 can also will ancillary equipment, voltage-stablizer and management circuit etc. it Various other circuits of class link together, and these are all it is known in the art, therefore, no longer being carried out further to it herein Description.EBI 113 provides interface between bus 110 and transceiver 112.Transceiver 112 can be an element, also may be used To be multiple element, such as multiple receivers and transmitter, there is provided for what is communicated over a transmission medium with various other devices Unit.Such as：Transceiver 112 receives external data from other equipment.Transceiver 112 is used for the number after processor 111 is handled According to being sent to other equipment.Depending on the property of computing system, user interface 115, such as keypad, display can also be provided Device, loudspeaker, microphone, control stick.
Processor 111 is responsible for bus 110 and common processing, and the general-purpose operating system is run as described in foregoing.And deposit Reservoir 114 can be used to store the used data when performing operation of processor 111.
Optionally, processor 111 can be CPU, ASIC, FPGA or CPLD.
In the embodiment of the present invention, transceiver 112 can obtain the reference symbol of the cell level of cell, successfully get During the reference symbol of the cell level, the system information of the cell level of the cell is obtained, and processor 111 is in transceiver 112 when successfully getting the system information of the cell level, determines that the cell can be used as persistent district.
Wherein, if transceiver 112 obtains the reference symbol failure of the cell level or obtains the cell level System information fails, and processor 111 carries out cell reselection.
When user equipment (UE) needs to access the persistent district, transceiver 112 can obtain the TRP of the persistent district The reference symbol of rank and the system information of TRP ranks；If transceiver 112 successfully gets the reference symbol of the TRP ranks With the system information of TRP ranks, processor 111 accesses the persistent district according to the system information of the TRP ranks got；If Transceiver 112 obtains the system information failure of the reference symbol or TRP ranks of the TRP ranks, and processor 111 carries out cell Gravity treatment or TRP gravity treatments.
When UE is moved in the persistent district, transceiver 112 can obtain according to default discontinuous receiving cycle The reference symbol of the cell level of the persistent district, if transceiver 112 obtains the reference symbol failure of the cell level, place Manage device 111 and carry out cell reselection.
In the embodiment of the present invention, transceiver 112 can obtain the reference symbol of the cell level of cell and the ginseng of TRP ranks Symbol is examined, if when successfully getting the reference symbol of the reference symbol of the cell level and TRP ranks, obtains the cell Cell level system information, and processor 111 successfully gets the system information of the cell level in transceiver 112 When, determine that the cell can be used as persistent district.
Transceiver 112 can obtain the reference symbol of the cell level of cell and the reference symbol of TRP ranks, successfully obtain Get the cell level reference symbol and TRP ranks reference symbol when, the system that obtains the cell level of the cell Information, when successfully getting the system information of the cell level, obtain corresponding with the reference symbol of the TRP ranks The system information of the TRP ranks of TRP nodes, and the system that processor 111 successfully gets the TRP ranks in transceiver 112 During information, determine that the cell can be used as persistent district.
Further, transceiver 112 obtains the reference with the TRP ranks according to default system information acquisition modes The system information of the TRP ranks of TRP nodes corresponding to symbol；Or reference symbol and TRP levels according to default TRP ranks The corresponding relation of other system information, the TRP ranks of acquisition TRP nodes corresponding with the reference symbol of the TRP ranks are System information.
Wherein, the system information of the cell level includes configuration information, and processor 111 can also be according to the configuration Information, determine that the cell can be used as persistent district.
Specifically, processor 111 is obtained described in the reference symbol failure or acquisition of the cell level in transceiver 112 During the system information failure of cell level, cell reselection is carried out；Or obtain the reference symbol of the TRP ranks in transceiver 112 Number failure or when obtaining the system information failure of the TRP ranks, carries out cell reselection or TRP gravity treatments.
When UE is moved in the persistent district, transceiver 112 is according to obtaining default discontinuous receiving cycle The reference symbol of the cell level of persistent district and the reference symbol of TRP ranks, and processor 111 obtains institute in transceiver 112 When stating the reference symbol failure of cell level, cell reselection is carried out；Or obtain the reference of the TRP ranks in transceiver 112 When symbol fails, cell reselection or TRP gravity treatments are carried out.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, can be by other Mode realize.For example, device embodiment described above is only schematical, for example, the division of the unit, only For a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine Or another system is desirably integrated into, or some features can be ignored, or do not perform.Another, shown or discussed phase Coupling or direct-coupling or communication connection between mutually can be by some interfaces, the INDIRECT COUPLING or communication of device or unit Connection, can be electrical, mechanical or other forms.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also That the independent physics of unit includes, can also two or more units it is integrated in a unit.Above-mentioned integrated list Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer Equipment (can be personal computer, server, or network equipment etc.) performs receiving/transmission method described in each embodiment of the present invention Part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store The medium of program code.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (22)

  1. A kind of 1. method for selecting persistent district, it is characterised in that the cell structure that methods described is disposed based on double-layer network, institute The method of stating includes：
    Persistent district is selected according to cell level information；Or
    According to the cell level information and Network Access Point TRP class informations selection persistent district.
  2. 2. according to the method for claim 1, it is characterised in that the step that persistent district is selected according to cell level information Suddenly include：
    Obtain the reference symbol of the cell level of cell；
    If successfully getting the reference symbol of the cell level, the system information of the cell level of the cell is obtained；
    If successfully getting the system information of the cell level, determine that the cell can be used as persistent district.
  3. 3. according to the method for claim 2, it is characterised in that methods described also includes：
    If obtaining the reference symbol failure of the cell level or obtaining the system information failure of the cell level, carry out small Area's gravity treatment.
  4. 4. according to the method for claim 2, it is characterised in that it is determined that the cell can be used as persistent district after, Methods described also includes：
    When user equipment (UE) needs to access the persistent district, obtain the persistent district TRP ranks reference symbol and The system information of TRP ranks；
    If successfully getting the reference symbol of the TRP ranks and the system information of TRP ranks, according to the TRP ranks got System information access the persistent district；
    If obtaining the system information failure of the reference symbol or TRP ranks of the TRP ranks, cell reselection or TRP weights are carried out Choosing.
  5. 5. according to the method for claim 2, it is characterised in that methods described also includes：
    When UE is moved in the persistent district, the cell of the persistent district is obtained according to default discontinuous receiving cycle The reference symbol of rank；
    If obtaining the reference symbol failure of the cell level, cell reselection is carried out.
  6. 6. according to the method for claim 1, it is characterised in that described to be believed according to the cell level information and TRP ranks The step of breath selection persistent district, includes：
    Obtain the reference symbol of cell level and the reference symbol of TRP ranks of cell；
    If successfully getting the reference symbol of the cell level and the reference symbol of TRP ranks, the cell of the cell is obtained The system information of rank；
    If successfully getting the system information of the cell level, determine that the cell can be used as persistent district.
  7. 7. according to the method for claim 1, it is characterised in that described to be believed according to the cell level information and TRP ranks The step of breath selection persistent district, includes：
    Obtain the reference symbol of cell level and the reference symbol of TRP ranks of cell；
    If successfully getting the reference symbol of the cell level and the reference symbol of TRP ranks, the cell of the cell is obtained The system information of rank；
    If successfully getting the system information of the cell level, TRP sections corresponding with the reference symbol of the TRP ranks are obtained The system information of the TRP ranks of point；
    If successfully getting the system information of the TRP ranks, determine that the cell can be used as persistent district.
  8. 8. the method according to claim 2 or 6, it is characterised in that the system information of the cell level includes configuration Information, it is described to determine that the step of cell be used as persistent district includes：
    According to the configuration information, determine that the cell can be used as persistent district.
  9. 9. the method according to claim 6 or 7, it is characterised in that methods described also includes：
    If obtaining the reference symbol failure of the cell level or obtaining the system information failure of the cell level, carry out small Area's gravity treatment；Or
    If obtaining the reference symbol failure of the TRP ranks or obtaining the system information failure of the TRP ranks, cell is carried out Gravity treatment or TRP gravity treatments.
  10. 10. the method according to claim 6 or 7, it is characterised in that methods described also includes：
    When UE is moved in the persistent district, the cell of the persistent district is obtained according to default discontinuous receiving cycle The reference symbol of rank and the reference symbol of TRP ranks；
    If obtaining the reference symbol failure of the cell level, cell reselection is carried out；Or
    If obtaining the reference symbol failure of the TRP ranks, cell reselection or TRP gravity treatments are carried out.
  11. 11. according to the method for claim 7, it is characterised in that the acquisition is corresponding with the reference symbol of the TRP ranks TRP nodes TRP ranks system information the step of include：
    According to default system information acquisition modes, the TRP of acquisition TRP nodes corresponding with the reference symbol of the TRP ranks The system information of rank；Or
    According to the corresponding relation of the reference symbol of default TRP ranks and the system information of TRP ranks, obtain and the TRP levels The system information of the TRP ranks of TRP nodes corresponding to other reference symbol.
  12. A kind of 12. device for selecting persistent district, it is characterised in that the cell structure that described device is disposed based on double-layer network, Described device includes：
    Selecting module, for selecting persistent district according to cell level information；Or according to the cell level information and network Access point TRP class informations select persistent district.
  13. 13. device according to claim 12, it is characterised in that the selecting module includes：
    First acquisition unit, the reference symbol of the cell level for obtaining cell；
    Second acquisition unit, for when successfully getting the reference symbol of the cell level, obtaining the cell of the cell The system information of rank；
    First determining unit, for when successfully getting the system information of the cell level, determining that the cell can be made For persistent district.
  14. 14. device according to claim 13, it is characterised in that described device also includes：
    First gravity treatment module, for obtain the reference symbol failure of the cell level or obtain the cell level be During information of uniting failure, cell reselection is carried out.
  15. 15. device according to claim 13, it is characterised in that described device also includes：
    First acquisition module, for when UE needs to access the persistent district, obtaining the ginseng of the TRP ranks of the persistent district Examine the system information of symbol and TRP ranks；
    AM access module, for when successfully getting the system information of the reference symbol of the TRP ranks and TRP ranks, according to The system information of the TRP ranks got accesses the persistent district；
    Second gravity treatment module, for when obtaining the system information failure of the reference symbol of the TRP ranks or TRP ranks, Carry out cell reselection or TRP gravity treatments.
  16. 16. device according to claim 13, it is characterised in that described device also includes：
    Second acquisition module, for when UE is moved in the persistent district, being obtained according to default discontinuous receiving cycle The reference symbol of the cell level of the persistent district；
    Triple modeling blocks, for when obtaining the reference symbol failure of the cell level, carrying out cell reselection.
  17. 17. device according to claim 12, it is characterised in that the selecting module includes：
    3rd acquiring unit, for the reference symbol of cell level and the reference symbol of TRP ranks for obtaining cell；
    4th acquiring unit, for when successfully getting the reference symbol of the reference symbol of the cell level and TRP ranks, Obtain the system information of the cell level of the cell；
    Second determining unit, for when successfully getting the system information of the cell level, determining that the cell can be made For persistent district.
  18. 18. device according to claim 12, it is characterised in that the selecting module includes：
    5th acquiring unit, for the reference symbol of cell level and the reference symbol of TRP ranks for obtaining cell；
    6th acquiring unit, for when successfully getting the reference symbol of the reference symbol of the cell level and TRP ranks, Obtain the system information of the cell level of the cell；
    7th acquiring unit, for when successfully getting the system information of the cell level, obtaining and the TRP ranks The system information of the TRP ranks of TRP nodes corresponding to reference symbol；
    3rd determining unit, for when successfully getting the system information of the TRP ranks, determining that the cell can conduct Persistent district.
  19. 19. the device according to claim 13 or 17, it is characterised in that the system information of the cell level includes matching somebody with somebody Confidence ceases, described to determine that the cell include as persistent district：
    According to the configuration information, determine that the cell can be used as persistent district.
  20. 20. the device according to claim 17 or 18, it is characterised in that described device also includes：
    Quadruple modeling block, for obtain the reference symbol failure of the cell level or obtain the cell level be Information of uniting failure, carries out cell reselection；Or
    In the reference symbol failure for obtaining the TRP ranks or the system information failure for obtaining the TRP ranks, carry out small Area's gravity treatment or TRP gravity treatments.
  21. 21. the device according to claim 17 or 18, it is characterised in that described device also includes：
    3rd acquisition module, for when UE is moved in the persistent district, being obtained according to default discontinuous receiving cycle The reference symbol of the cell level of the persistent district and the reference symbol of TRP ranks；
    5th gravity treatment module, for when obtaining the reference symbol failure of the cell level, carrying out cell reselection；Or When obtaining the reference symbol failure of the TRP ranks, cell reselection or TRP gravity treatments are carried out.
  22. 22. device according to claim 18, it is characterised in that the 7th acquiring unit is specifically used for：
    According to default system information acquisition modes, the TRP of acquisition TRP nodes corresponding with the reference symbol of the TRP ranks The system information of rank；Or
    According to the corresponding relation of the reference symbol of default TRP ranks and the system information of TRP ranks, obtain and the TRP levels The system information of the TRP ranks of TRP nodes corresponding to other reference symbol.
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PCT/CN2017/095424 WO2018024192A1 (en) 2016-08-05 2017-08-01 Method and apparatus for selecting camped cell

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