CN107645730B - A kind of acquisition of system information, sending method, mobile terminal and access point - Google Patents
A kind of acquisition of system information, sending method, mobile terminal and access point Download PDFInfo
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- CN107645730B CN107645730B CN201610576322.XA CN201610576322A CN107645730B CN 107645730 B CN107645730 B CN 107645730B CN 201610576322 A CN201610576322 A CN 201610576322A CN 107645730 B CN107645730 B CN 107645730B
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Abstract
The present invention provides a kind of acquisition of system information, sending method, mobile terminal and access points, it is related to field of communication technology, it solves in existing 5G network, if the problem of being a cell, very big challenge can be brought to the management of cell and expense according further to original each each frequency point of transmission node between bulk transaction node.This method comprises: the first access point identity and the first system information area mark that the first access point for obtaining mobile terminal work at present is sent；It is identified according to the first access point identity and the first system information area, determines the coverage area of the first access point in the indicated system information area of the first system information area mark.The solution of the present invention realizes the identification to the system information area where access point, it is managed so as to the system information to multiple access points in each system information area according to region division, and then improve the convenience of management, reduce overhead, network efficiency is improved, and the user experience is improved.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of acquisition of system information, sending method, mobile terminal and
Access point.
Background technique
In LTE (Long Term Evolution, Long Term Evolution) system, between the node of network side mostly into
It is connected between row wired connection, i.e. eNB (evolved Node B, evolved base station) by wire link.ENB and core net section
Point, such as MME (Mobility Management Entity, mobile management entity), S-GW (Serving-Gate Way service
Gateway) etc., it is therebetween also that wire link is taken to connect.
Existing cell is defined as: the set of downlink resource and possible ascending resource.Downlink resource carrier frequency and upper
The association of row resource carrier frequency is indicated by transmitting the system information on downlink resource.Carrier frequency refers to the cell
Centre frequency.Cell to UE (User Equipment, user terminal) for, be in the same carrier frequency, and be UE
The network equipment of service is provided.The maximum bandwidth of LTE system single carrier wave is 20MHz at present.
The each cell of LTE system can send the system information of oneself, and system information is effective in the cell range.Its
In: MIB (Master Information Block, Master Information Block) transmission cycle is fixed as 40ms, and every 10ms is retransmitted in the period
Identical content.The transmission of MIB is fixed on the subframe 0 of each SFN (Single Frequency Network, single frequency network), for the first time
Transmission is since the radio frames of SFN mod 4=0.
SIB1 (System Information Block1, system information block 1) transmission cycle is fixed as 80ms, in the period
Every 20ms retransmits identical content.The transmission of SIB1 is fixed on 5 moment of subframe of even number radio frames, is transmitted for the first time from SFN mod 8
=0 radio frames start.
The transmission of SI (system information, system information) message is by periodic time window (SI-
Windows) interior dynamic dispatching mode is transmitted.Each SI information association one SI-window, the SI- of different SI information
Window is not overlapped each other.The SI-window of all SI information is identical and can be configured by SIB1.
In addition, not connecting between base station when UE is in inactive inactive state, but system letter can be read
Breath receives paging, can also initiate business.It can play the role of saving terminal power into the state.In order to avoid terminal
After having sent out a small data packets into connected state, in order to which the transition between states that power saving enters inactive state causes excessive signaling to open again
Pin, the terminal of inactive state can support fast uplink data transmit, and as needed fast state transit to connected state or
Only the transmitting-receiving of single upstream data is carried out in inactive state.And URLLC (Ultra reliable low latency
Communction, the communication of highly reliable low latency) terminal refers to the terminal class for needing to carry out high reliability low time delay service communication
Type, such as remote industrial control or car networking.
In mobile communication system future development, in order to better meet user demand, significant increase network capacity and gulp down
The amount of spitting will can introduce more transmission nodes and bigger transmission bandwidth.In 5G network, between bulk transaction node if
It is a cell according further to original each each frequency point of transmission node, very big challenge can be brought to the management of cell and expense,
To reduce the efficiency of network entirety, and it can further influence user experience.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of acquisition of system information, sending method, mobile terminal and connect
Access point solves the prior art in 5G network, between bulk transaction node if each according further to original each transmission node
Frequency point is a cell, and very big challenge can be brought to the management of cell and expense, to reduce the efficiency of network entirety, and can be into
One step influences the problem of user experience.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of acquisition methods of system information, comprising:
Obtain the first access point identity and the first system information area that the first access point of mobile terminal work at present is sent
Domain identifier；
It is identified according to first access point identity and the first system information area, determines first access point
Coverage area is in the indicated system information area of the first system information area mark.
Wherein, the above method further include:
When the mobile terminal is moved to the coverage area of the second access point from the coverage area of first access point,
Obtain the second system information area mark of the system information area where second access point；
The of system information area where second system information area mark and first access point
One system information area mark judges that second access point and first access point whether there is in same system information
Region；
If second access point and first access point be not in same system information area, it is determined that the movement
The first system information area where terminal from first access point is moved to the second system where second access point
Information area；Otherwise, it determines the mobile terminal moves in a system information area.
Wherein, in the above method, when determining that the mobile terminal moves in a system information area, further includes:
Obtain the second access point identity that second access point is sent；
According to second access point identity and first access point identity, determine the mobile terminal from a system
The coverage area of the first access point in information area is moved to the coverage area of the second access point.
Wherein, according to second access point identity and first access point identity, determine the mobile terminal from one
The step of coverage area of the first access point in a system information area is moved to the coverage area of the second access point include:
In second access point identity and the first access point identity difference, determine the mobile terminal from one
The coverage area of the first access point in system information area is moved to the coverage area of the second access point.
Wherein, in the above method, the mobile terminal covering from the first access point in a system information area is determined
After lid range is moved to the coverage area of the second access point, further includes:
According to the instruction of the system information for the first access point being previously received, the second access point and the first access point are obtained
Different system informations.
Wherein, according to the instruction of the system information for the first access point being previously received, the second access point and first is obtained
The step of access point different system information includes:
The terminal of the terminal of Idle state, the terminal of inactive state or connected state, according to the first access being previously received
The instruction of the system information of point, the second access point of Xiang Suoshu obtain the second access point system information different from the first access point；
Or
Radio resource control RRC occurs between first access point and second access point and cuts for the terminal of connected state
When changing, by RRC switching command, the second access point system information different from the first access point is obtained.
Wherein, in the above method, the first system information area where determining mobile terminal from first access point is moved
After moving the second system information area where second access point, further includes:
Obtain the system information that the second access point in the second system information area is sent.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of mobile terminal, comprising:
First obtains module, the first access point and that the first access point for obtaining mobile terminal work at present is sent
One system information area mark；
First determining module, for being identified according to first access point identity and the first system information area, really
The coverage area of fixed first access point is in the indicated system information area of the first system information area mark.
Wherein, above-mentioned mobile terminal further include:
Second obtains module, connects for being moved to second from the coverage area of first access point in the mobile terminal
When the coverage area of access point, the second system information area mark of the system information area where second access point is obtained；
Judgment module, for according to the system where second system information area mark and first access point
The first system information area of information area identifies, and judges that second access point whether there is with first access point in same
One system information area；
Second determining module, if for second access point and first access point not in the same system information area
Domain, it is determined that the first system information area where the mobile terminal from first access point is moved to second access
Second system information area where point；Otherwise, it determines the mobile terminal moves in a system information area.
Wherein, above-mentioned mobile terminal determines the mobile terminal in a system information area in second determining module
When being moved in domain, further includes:
Third obtains module, the second access point identity sent for obtaining second access point；
Third determining module, described in determining according to second access point identity and first access point identity
Mobile terminal is moved to the coverage area of the second access point from the coverage area of the first access point in a system information area.
Wherein, the third determining module is specifically used for: in second access point identity and the first access point mark
When knowing different, determine that the mobile terminal is moved to second from the coverage area of the first access point in a system information area
The coverage area of access point.
Wherein, above-mentioned mobile terminal further include:
4th obtains module, for the instruction of the system information according to the first access point being previously received, obtains second
The access point system information different from the first access point.
Wherein, the 4th acquisition module is specifically used for: being the terminal of Idle state, the terminal of inactive state in mobile terminal
Or connected state terminal when, according to the instruction of the system information for the first access point being previously received, Xiang Suoshu second is accessed
Point obtains the second access point system information different from the first access point；Or
When the mobile terminal is the terminal of connected state, sent out between first access point and second access point
When raw radio resource control RRC switching, by RRC switching command, the second access point system different from the first access point is obtained
Information.
Wherein, the first system information where determining mobile terminal from first access point in second determining module
After region is moved to the second system information area where second access point, further includes:
5th obtains module, for obtaining the system letter of the transmission of the second access point in the second system information area
Breath.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of sending method of system information, comprising:
Obtain the first access point identity and first access point place of the first access point of mobile terminal work at present
System information area the first system information area mark；
First access point identity and the first system information area mark are sent to the mobile terminal, make institute
It states mobile terminal to be identified according to first access point identity and the first system information area, determines first access point
Coverage area in the indicated system information area of the first system information area mark.
Wherein, the above method further include:
The instruction of the system information of first access point is sent to the mobile terminal, determines the mobile terminal
After the coverage area of the second access point is moved to from the coverage area of the first access point in a system information area, according to connecing
The instruction of the system information of first access point received obtains the second access point system letter different from the first access point
Breath.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of access point, comprising:
Module is obtained, for obtaining the first access point identity and described the of the first access point of mobile terminal work at present
The first system information area of system information area where one access point identifies；
Sending module, it is described for first access point identity and the first system information area mark to be sent to
Mobile terminal identifies the mobile terminal according to first access point identity and the first system information area, determines
The coverage area of first access point is in the indicated system information area of the first system information area mark.
Wherein, the sending module is also used to: the instruction of the system information of first access point is sent to the shifting
Dynamic terminal connects the mobile terminal being moved to second from the coverage area of the first access point in a system information area
After the coverage area of access point, according to the instruction of the system information of first access point received, obtain the second access point with
The different system information of first access point.
The advantageous effects of the above technical solutions of the present invention are as follows:
The acquisition methods of the system information of the embodiment of the present invention obtain the first access point of mobile terminal work at present first
The first access point identity and the first system the information area mark sent；Then believed according to the first access point identity and the first system
Area identification is ceased, determines the coverage area of the first access point system information area indicated in the first system information area mark
It is interior.The access point identity sent by access point, can determine the access point of mobile terminal work at present；It is sent by access point
System information area mark, can determine the system information area where access point.It realizes to the system where access point
The identification of information area, so as to the system information to multiple access points in each system information area according to region division
It is managed, and then improves the convenience of management, reduce overhead, improve network efficiency, and improve user's body
It tests.It solves in 5G network, if being one according further to original each each frequency point of transmission node between bulk transaction node
A cell can bring very big challenge to the management of cell and expense, to reduce the efficiency of network entirety, and can further influence
The problem of user experience.
Detailed description of the invention
Fig. 1 is the flow chart of the method for reseptance first embodiment of present system information；
Fig. 2 is the flow chart of the method for reseptance second embodiment of present system information；
Fig. 3 is one application scenarios schematic diagram of method of reseptance of present system information；
Fig. 4 is the method for reseptance another application schematic diagram of a scenario of present system information；
The structural schematic diagram of Fig. 5 mobile terminal of the present invention；
Fig. 6 is the flow chart of the sending method of present system information；
Fig. 7 is the structural schematic diagram of access point of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
First embodiment
As shown in Figure 1, the acquisition methods of the system information of the embodiment of the present invention, comprising:
Step 101, the first access point identity and the first system that the first access point of mobile terminal work at present is sent are obtained
Information area of uniting identifies.
Here, all access points in a system information area (SIA, System Information Area) can be sent out
Identical system information area is sent to identify, such as identical descending synchronous code (DL sync code) 1；Access in one SIA
Different system information area marks, such as different descending synchronous codes 1, but the system information in a SIA also can be transmitted in point
Area identification belongs to the logo collection of the SIA of pre-configuration.
Wherein, a SIA can be a cell or a base station.
Wherein, each access point sends the access point identity of oneself, such as can be descending synchronous code 2, diverse access point
Descending synchronous code 2 is different.
In addition, the terminal of terminal and inactive state for Idle state, the access point of work at present is currently resident connects
Access point；For the terminal of connected state, the access point of work at present is the access point being currently accessed.
Step 102, it is identified according to first access point identity and the first system information area, determines described first
The coverage area of access point is in the indicated system information area of the first system information area mark.
Here, the first access point identity and the first system information area mark that mobile terminal is sent according to the first access point
Know, can determine that the access point that is currently located is the first access point, and further determines that the coverage area of the first access point the
In the indicated SIA of one system information area mark.
The method of reseptance of the system information of the embodiment of the present invention, the access point identity sent by access point, can determine
The access point of mobile terminal work at present；The system information area mark sent by access point, can determine access point place
System information area.The identification to the system information area where access point is realized, so as to each system information
The system information of multiple access points in region is managed according to region division, and then improves the convenience of management, is reduced
Overhead, improves network efficiency, and the user experience is improved.It solves in 5G network, between bulk transaction node
If being a cell according further to original each each frequency point of transmission node, it can bring to the management of cell and expense and choose greatly very much
War, to reduce the efficiency of network entirety, and the problem of can further influence user experience.
Second embodiment
As shown in Fig. 2, the acquisition methods of the system information of the embodiment of the present invention, comprising:
Step 201, the first access point identity and the first system that the first access point of mobile terminal work at present is sent are obtained
Information area of uniting identifies.
Here, identical system information area mark, example can be transmitted in all access points in a system information area SIA
Such as identical descending synchronous code 1；Different system information area marks also can be transmitted in access point in one SIA, such as different
Descending synchronous code 1, but in a SIA system information area mark belong to pre-configuration the SIA logo collection.
Wherein, a SIA can be a cell or a base station.
Wherein, each access point sends the access point identity of oneself, such as can be descending synchronous code 2, diverse access point
Descending synchronous code 2 is different.
In addition, the terminal of terminal and inactive state for Idle state, the access point of work at present is currently resident connects
Access point；For the terminal of connected state, the access point of work at present is the access point being currently accessed.
Step 202, it is identified according to first access point identity and the first system information area, determines described first
The coverage area of access point is in the indicated system information area of the first system information area mark.
Here, the first access point identity and the first system information area mark that mobile terminal is sent according to the first access point
Know, can determine that the access point that is currently located is the first access point, and further determines that the coverage area of the first access point the
In the indicated SIA of one system information area mark.
Step 203, covering for the second access point is moved to from the coverage area of first access point in the mobile terminal
When lid range, the second system information area mark of the system information area where second access point is obtained.
Here, when mobile terminal change Service Access Point, i.e., mobile terminal is moved to from the coverage area of the first access point
The coverage area of second access point obtains the second system information area mark of the SIA where the second access point, to judge to move
Whether terminal removes the SIA where the first access point.
Step 204, according to the system information where second system information area mark and first access point
The first system information area in region identifies, and judges that second access point whether there is with first access point in same
System information area.
Here, according to where the second system information area of the SIA where the second access point mark and the first access point
The first system information area of SIA identifies, and judges that the second access point and the first access point whether there is in same system information
Region, that is, judge whether mobile terminal removes the SIA where the first access point.
Step 205, if second access point and first access point be not in same system information area, it is determined that
The first system information area where the mobile terminal from first access point is moved to where second access point
Second system information area；Otherwise, it determines the mobile terminal moves in a system information area.
Here, if the second access point and the first access point illustrate mobile terminal out of the first access not in the same SIA
SIA where point, it is determined that the first system information area SIA1 where mobile terminal from the first access point is moved to second and connects
Second system information area SIA2 where access point；If the second access point and the first access point illustrate mobile whole in the same SIA
It holds and does not move out the SIA where the first access point, it may be determined that mobile terminal moves in a SIA.
The method of reseptance of the system information of the embodiment of the present invention, the access point identity sent by access point, can determine
The access point of mobile terminal work at present；The system information area mark sent by access point, can determine access point place
System information area, the identification to the system information area where access point is realized, so as to each system information
The system information of multiple access points in region is managed according to region division.And when mobile terminal changes access point, energy
The system information area that the system information area mark that enough access points according to after change are sent is sent with access point before changing
Mark, judges that mobile terminal is to move in a system information area, or move in different system information areas, with
The acquisition of system information is carried out according to mobile terminal situation of movement.And then the convenience of management is improved, the system of reducing is opened
Pin, improves network efficiency, and the user experience is improved.It solves in 5G network, if also pressed between bulk transaction node
It is a cell according to original each each frequency point of transmission node, very big challenge can be brought to the management of cell and expense, thus
The problem of reducing the efficiency of network entirety, and further influencing user experience.
Further, in above-mentioned steps 205, when determining that the mobile terminal moves in a system information area, also
Include:
Obtain the second access point identity that second access point is sent.
Here, access point identity such as can be descending synchronous code 2, and the descending synchronous code 2 of diverse access point is different.
According to second access point identity and first access point identity, determine the mobile terminal from a system
The coverage area of the first access point in information area is moved to the coverage area of the second access point.
Here, mobile terminal identifies access point by access point identity, thus according to the second access point identity with
First access point identity determines that mobile terminal is moved to the second access point from the coverage area of the first access point in a SIA
Coverage area.
At this point, the identification to access point is realized by access point identity, so as to accurately determine mobile terminal in difference
Situation about being moved between access point.
Specifically, it is above-mentioned according to second access point identity and first access point identity, it determines described mobile whole
End from the coverage area that the coverage area of the first access point in a system information area is moved to the second access point include:
When second access point identity and the first access point identity difference, determine the mobile terminal from a system information area
The coverage area of the first access point in domain is moved to the coverage area of the second access point.
At this point, illustrating the access point where mobile terminal in the second access point identity and the first access point identity difference
Changed, determines that mobile terminal is moved to the second access point from the coverage area of the first access point in a SIA
Coverage area.
Further, above-mentioned in second access point identity and the first access point identity difference, described in determination
Mobile terminal is moved to the coverage area of the second access point from the coverage area of the first access point in a system information area
In, determine that the mobile terminal is moved to the second access point from the coverage area of the first access point in a system information area
Coverage area after, further includes:
According to the instruction of the system information for the first access point being previously received, the second access point and the first access point are obtained
Different system informations.
Here, if it is determined that mobile terminal is that the first access point in a SIA is moved to the second access point, and in advance
Illustrate that there are different systems letters between multiple access points in the SIA in the instruction of the system information of the first access point received
Breath obtains the second access point system information different from the first access point then according to instruction.
Wherein, system different there are the identical system information in part and part between multiple access points in a SIA
Information.Can indicate in the SIA that there are different between multiple access points in the system information of each access point in SIA in advance is
System information.
At this time, if it is determined that mobile terminal is that the first access point in a SIA is moved to the second access point, then only needs
The second access point system information different from the first access point is obtained, obtained information quantity is reduced according to instruction, reduced and be
Information of uniting transmits bring shared overhead, improves treatment effeciency.
Wherein, existing different system information can be located in the information in MIB between multiple access points in SIA, such as
Frequency point information, bandwidth information, SFN information, duplex information etc..At this point, mobile terminal moves between the diverse access point in SIA every time
It is dynamic, it requires to re-read MIB.
Wherein, existing different system information is also possible to be placed in specific SIB set between multiple access points in SIA
Information, such as MBMS information, SC-PTM information, D2D information.At this point, not all mobile terminal requires these information.
When mobile terminal moves between the diverse access point in SIA, it can be re-read corresponding according to instruction, in case of need
SIB set.
Access point in SIA can the identical system information of broadcast segment, and sent by MIB or specific SIB set different
System information.
Wherein, it can indicate to deposit between multiple access points in the SIA in the MIB or certain SIB of each access point in SIA in advance
In different system informations.For example, 1bit (1 bit) is arranged in MIB or certain SIB, it is different to indicate whether current SIA sends
MIB or the specific SIB set of instruction may be different in SIA；One bit list can also be set in MIB or certain SIB, in bit
Indicate that each SIB or SIB group may be different in SIA in specific SIB set in list.The corresponding SIB of each bit in bit table
Or one group of SIB.
The method of reseptance of the system information of the embodiment of the present invention, to Idle state, inactive (inactive) state and connected state
Terminal UE be applicable in.
Further, the instruction of the above-mentioned system information according to the first access point being previously received obtains the second access
The step of point different from the first access point system informations includes:
Terminal, the terminal of inactive state or the terminal of connected state of Idle state, connect according to be previously received first
The instruction of the system information of access point, the second access point of Xiang Suoshu obtain the second access point system letter different from the first access point
Breath.
Here, the UE of the UE or connected state of UE, inactive state of Idle state is accessed from first in a SIA
When the coverage area of point is moved to the coverage area of the second access point, need to obtain second according to instruction to the second access point and connect
The access point system information different from the first access point.
The instruction of the above-mentioned system information according to the first access point being previously received obtains the second access point and connects with first
The step of access point different system information also may include: the terminal of connected state in first access point and second access
When radio resource control RRC switching occurring between point, by RRC switching command, the second access point and the first access point are obtained not
Same system information.
Here, the UE of connected state, in case of RRC switching, then can be carried in RRC switching command target access with
The different system information in the current access point UE.
At this point, needing to obtain target when moving between the access point in a SIA for the terminal that RRC switching does not occur
The access point system information different from current access point；For the terminal of RRC switching has occurred, obtained in RRC switching command
The target access system information different from current access point.
Furthermore, it is understood that determining the first system letter where mobile terminal from first access point in above-mentioned steps 205
After ceasing the second system information area where region is moved to second access point, further includes:
Obtain the system information that the second access point in the second system information area is sent.
At this point, after the SIA1 where determining mobile terminal from the first access point is moved to the SIA2 where the second access point,
Need to obtain the system information of the second access point transmission.
Here, for the UE of Idle state, inactive state or connected state, when being moved to SIA2 from SIA1, UE needs to read
The necessary system information of second access point, including MIB, SIB1, SIB2 or MIB, SIB1, SIB2, SIB3, SIB4, SIB5.It is right
In URLLC UE, when being moved to SIA2 from SIA1, URLLC UE needs to read whole system informations of the second access point, including must
Want system information and inessential system information.Inessential system information such as include SIB6, SIB7, SIB8, SIB13, SIB15,
SIB20 etc..
Wherein, for the UE of Idle state or inactive state, when initially entering a SIA, UE is also required to read and connect
The necessary system information of access point.And for URLLC UE, when initially entering a SIA, need to read whole systems of access point
System information, including necessary system information and inessential system information.
Several concrete application situations of the method for reseptance of the system information of the embodiment of the present invention are illustrated below below.
As shown in Figure 3, it is assumed that include 6 transmission access point (TRP, transmission reception in SIA1
Point), it is denoted as TRP1, TRP2, TRP3, TRP4, TRP5 and TRP6 respectively.All TRP in the SIA1 send identical respectively
System information area mark, such as identical descending synchronous code 1, and each TRP sends different access point identities respectively, such as
Different descending synchronous codes 2.
Application scenarios 1: it is assumed that the MIB (being denoted as MIB1) of TRP1, TRP2 and TRP3 are identical, the MIB of TRP4, TRP5, TRP6
(being denoted as MIB2) is identical, but MIB1 and MIB2 is different, and the bandwidth information that MIB1 includes is 20MHz, the bandwidth letter that MIB2 includes
Breath is 100MHz.
When Idle state or the UE1 initial selected Service Access Point TRP2 of inactive state, need to read necessity of TRP2
The necessary system information of system information, TRP2 includes MIB1, wherein has 1bit to indicate that current SIA1 is sent in MIB1 different
MIB。
The necessary system information of TRP2 is had read when the UE2 of connected state has been currently accessed TRP2, accesses TRP2.
When UE1 (or UE2) is moved to TRP5 from TRP2, UE1 (or UE2) has found the access point identity of TRP2 and TRP5 not
Together, determine that UE1 (or UE2) is moved to TRP5 from TRP2.And the system information area of the SIA where UE1 (or UE2) discovery TRP2
Mark is identical as the system information area mark of the SIA where TRP5, determines that UE1 (or UE2) is mobile from the TRP2 in a SIA
To TRP5.UE1 (or UE2) obtains MIB to TRP5 again according to the instruction in MIB1, i.e. acquisition MIB2.By the institute in SIA1
There is the SIB1 of TRP and SIB2 identical, therefore UE1 (or UE2) does not need to re-read the SIB1 of TRP5 and SIB2.
Application scenarios 2: it is assumed that the SIB1 and SIB2 of all TRP are identical in SIA1, but SC-PTM configuration information is carried
SIB20 is different.In the MIB or SIB1 of each TRP of SIA1, there is 1bit to be used to refer to carry SC- on each TRP in current SIA1
Whether the SIB20 of PTM configuration information is identical；Or have a bit list in MIB or SIB1, wherein the first of bit list
Bit indicates whether the SIB20 for carrying SC-PTM configuration information in SIA1 on each TRP is identical.SIB20 is indicated in MIB or SIB1
Bit when being set as ' true ' or ' 1 ', indicate that the SIB20 for carrying SC-PTM configuration information in current SIA1 on each TRP can
It can be different.
As the UE1 initial selected Service Access Point TRP2 to the interested Idle state of SC-PTM business or inactive state
When, need to read the necessary system information of TRP2, the necessary system information of TRP2 includes MIB and SIB1, from the finger of MIB or SIB1
Show and knows that the SIB20 for carrying SC-PTM configuration information in current SIA1 on each TRP may be different.
TRP2 is had read when the UE2 to the interested connected state of SC-PTM business has been currently accessed TRP2, accesses TRP2
Necessary system information.
When UE1 (or UE2) is moved to TRP5 from TRP2, UE1 (or UE2) has found the access point identity of TRP2 and TRP5 not
Together, determine that UE1 (or UE2) is moved to TRP5 from TRP2.And the system information area of the SIA where UE1 (or UE2) discovery TRP2
Mark is identical as the system information area mark of the SIA where TRP5, determines that UE1 (or UE2) is mobile from the TRP2 in a SIA
To TRP5.UE1 (or UE2) obtains SIB20 to TRP5 again according to the instruction in MIB or SIB1.Due to all in SIA1
The SIB1 and SIB2 of TRP is identical, therefore UE1 (or UE2) does not need to re-read the SIB1 of TRP5 and SIB2.
Application scenarios 3: it is assumed that the MIB (being denoted as MIB1) of TRP1, TRP2 and TRP3 are identical, the MIB of TRP4, TRP5, TRP6
(being denoted as MIB2) is identical, but MIB1 and MIB2 is different, and the bandwidth information that MIB1 includes is 20MHz, the bandwidth letter that MIB2 includes
Breath is 100MHz.
The necessary system information of TRP2 is had read when the UE2 of connected state has been currently accessed TRP2, accesses TRP2, TRP2's
Necessary system information includes MIB1, wherein has 1bit to indicate that current SIA1 sends different MIB in MIB1.
When UE2 is moved to TRP5 from TRP2, UE2 find TRP2 it is different from the access point identity of TRP5, determine UE2 from
TRP2 is moved to TRP5.And RRC switching has occurred in UE2 between TRP2 and TRP5, then TRP5 can be carried in RRC switching command
The system information different from TRP2, i.e. MIB2 will not carry identical system information SIB1 and SIB2.UE2 is completed in switching
The system information for reading TRP5 again is not needed afterwards.
Above-mentioned several application scenarios are that the coverage area of an access point of the terminal in a SIA is moved to another
The case where coverage area of access point, the case where being moved to another SIA from a SIA to terminal below, describe in detail.
As shown in Figure 4, it is assumed that all access points send identical system information area mark in SIA1, such as it is identical under
Row synchronous code 1, identifying the SIA is SIA1.All access points also send identical system information area mark, such as phase in SIA2
Same descending synchronous code 1, identifying the SIA is SIA2.
When Idle state or the UE1 of inactive state are moved to the TRP7 of SIA2 from the TRP1 of SIA1, where discovery TRP1
SIA system information area mark it is different from the system information area of the SIA where TRP7 mark, determine UE1 from TRP1 institute
SIA1 be moved to TRP7 where SIA2.UE1 re-reads the necessary system information of the TRP7 of SIA2.If UE1 is
URLLC UE, then UE1 re-reads whole system informations of the TRP7 of SIA2.
To sum up, the method for reseptance of the system information of the embodiment of the present invention, the access point identity sent by access point, can
Determine the access point of mobile terminal work at present；The system information area mark sent by access point, can determine access point
The system information area at place.The identification to the system information area where access point is realized, so as to each system
The system information of multiple access points in information area is managed according to region division.And mobile terminal is in a SIA
First access point is moved to the second access point, it is only necessary to according to instruction, obtain the second access point it is different from the first access point be
System information, reduces obtained information quantity, reduces system information transmissions bring shared overhead.And then improve the convenience of management
Property, overhead is reduced, network efficiency is improved, and the user experience is improved.It solves in 5G network, bulk transaction section
If being a cell according further to original each each frequency point of transmission node between point, can be brought to the management of cell and expense
Very big challenge, to reduce the efficiency of network entirety, and the problem of can further influence user experience.
3rd embodiment
As shown in figure 5, the embodiment of the present invention also provides a kind of mobile terminal 500, comprising:
First obtains module 501, the first access point that the first access point for obtaining mobile terminal work at present is sent
Mark and the first system information area mark；
First determining module 502, for being identified according to first access point identity and the first system information area,
Determine the coverage area of first access point in the indicated system information area of the first system information area mark.
The mobile terminal 500 of the embodiment of the present invention, the access point identity sent by access point, can determine mobile terminal
The access point of work at present；The system information area mark sent by access point can determine the system letter where access point
Cease region.The identification to the system information area where access point is realized, so as to in each system information area
The system information of multiple access points is managed according to region division, and then improves the convenience of management, and the system of reducing is opened
Pin, improves network efficiency, and the user experience is improved.It solves in 5G network, if also pressed between bulk transaction node
It is a cell according to original each each frequency point of transmission node, very big challenge can be brought to the management of cell and expense, thus
The problem of reducing the efficiency of network entirety, and further influencing user experience.
Furthermore, it is understood that above-mentioned terminal further include:
Second obtains module, connects for being moved to second from the coverage area of first access point in the mobile terminal
When the coverage area of access point, the second system information area mark of the system information area where second access point is obtained；
Judgment module, for according to the system where second system information area mark and first access point
The first system information area of information area identifies, and judges that second access point whether there is with first access point in same
One system information area；
Second determining module, if for second access point and first access point not in the same system information area
Domain, it is determined that the first system information area where the mobile terminal from first access point is moved to second access
Second system information area where point；Otherwise, it determines the mobile terminal moves in a system information area.
Wherein, above-mentioned mobile terminal determines the mobile terminal in a system information area in second determining module
When being moved in domain, further includes:
Third obtains module, the second access point identity sent for obtaining second access point；
Third determining module, described in determining according to second access point identity and first access point identity
Mobile terminal is moved to the coverage area of the second access point from the coverage area of the first access point in a system information area.
Wherein, the third determining module is specifically used for: in second access point identity and the first access point mark
When knowing different, determine that the mobile terminal is moved to second from the coverage area of the first access point in a system information area
The coverage area of access point.
Wherein, above-mentioned mobile terminal further include:
4th obtains module, for the instruction of the system information according to the first access point being previously received, obtains second
The access point system information different from the first access point.
Wherein, the 4th acquisition module is specifically used for: being the terminal of Idle state, the terminal of inactive state in mobile terminal
Or connected state terminal when, according to the instruction of the system information for the first access point being previously received, Xiang Suoshu second is accessed
Point obtains the second access point system information different from the first access point；Or
When the mobile terminal is the terminal of connected state, sent out between first access point and second access point
When raw radio resource control RRC switching, by RRC switching command, the second access point system different from the first access point is obtained
Information.
Wherein, the first system information where determining mobile terminal from first access point in second determining module
After region is moved to the second system information area where second access point, further includes:
5th obtains module, for obtaining the system letter of the transmission of the second access point in the second system information area
Breath.
The mobile terminal of the embodiment of the present invention, the access point identity sent by access point, can determine that mobile terminal is worked as
The access point of preceding work；The system information area mark sent by access point, can determine the system information where access point
Region.The identification to the system information area where access point is realized, so as to more in each system information area
The system information of a access point is managed according to region division.And first access point of the mobile terminal in a SIA is mobile
To the second access point, it is only necessary to according to instruction, obtain the second access point system information different from the first access point, reduce letter
Amount to obtain is ceased, system information transmissions bring shared overhead is reduced.And then the convenience of management is improved, the system of reducing is opened
Pin, improves network efficiency, and the user experience is improved.It solves in 5G network, if also pressed between bulk transaction node
It is a cell according to original each each frequency point of transmission node, very big challenge can be brought to the management of cell and expense, thus
The problem of reducing the efficiency of network entirety, and further influencing user experience.
Fourth embodiment
As shown in fig. 6, the embodiment of the present invention also provides a kind of sending method of system information, comprising:
Step 601, the first access point identity and described first for obtaining the first access point of mobile terminal work at present connects
The first system information area of system information area where access point identifies.
Here, all access points in a system information area (SIA, System Information Area) can be sent out
Identical system information area is sent to identify, such as identical descending synchronous code (DL sync code) 1；Access in one SIA
Different system information area marks, such as different descending synchronous codes 1, but the system information in a SIA also can be transmitted in point
Area identification belongs to the logo collection of the SIA of pre-configuration.
Wherein, a SIA can be a cell or a base station.
Wherein, each access point sends the access point identity of oneself, such as can be descending synchronous code 2, diverse access point
Descending synchronous code 2 is different.
In addition, the terminal of terminal and inactive state for Idle state, the access point of work at present is currently resident connects
Access point；For the terminal of connected state, the access point of work at present is the access point being currently accessed.
Step 602, first access point identity and the first system information area mark are sent to the movement
Terminal identifies the mobile terminal according to first access point identity and the first system information area, described in determination
The coverage area of first access point is in the indicated system information area of the first system information area mark.
Here, the first access point identity and the first system information area mark that mobile terminal is sent according to the first access point
Know, can determine that the access point that is currently located is the first access point, and further determines that the coverage area of the first access point the
In the indicated SIA of one system information area mark.
The method of reseptance of the system information of the embodiment of the present invention, the access point identity sent by access point, can determine
The access point of mobile terminal work at present；The system information area mark sent by access point, can determine access point place
System information area.The identification to the system information area where access point is realized, so as to each system information
The system information of multiple access points in region is managed according to region division, and then improves the convenience of management, is reduced
Overhead, improves network efficiency, and the user experience is improved.It solves in 5G network, between bulk transaction node
If being a cell according further to original each each frequency point of transmission node, it can bring to the management of cell and expense and choose greatly very much
War, to reduce the efficiency of network entirety, and the problem of can further influence user experience.
Preferably, the above method can further include:
The instruction of the system information of first access point is sent to the mobile terminal, determines the mobile terminal
After the coverage area of the second access point is moved to from the coverage area of the first access point in a system information area, according to connecing
The instruction of the system information of first access point received obtains the second access point system letter different from the first access point
Breath.
Here, if mobile terminal determination is that the first access point in a SIA is moved to the second access point, and receives
To the first access point system information instruction in illustrate that there are different system informations between multiple access points in the SIA, then
According to instruction, the second access point system information different from the first access point is obtained.
Wherein, system different there are the identical system information in part and part between multiple access points in a SIA
Information.Can indicate in the SIA that there are different between multiple access points in the system information of each access point in SIA in advance is
System information.
At this point, only being needed if mobile terminal determination is that the first access point in a SIA is moved to the second access point
The second access point system information different from the first access point is obtained, obtained information quantity is reduced according to instruction, reduced and be
Information of uniting transmits bring shared overhead, improves treatment effeciency.
Wherein, existing different system information can be located in the information in MIB between multiple access points in SIA, such as
Frequency point information, bandwidth information, SFN information, duplex information etc..At this point, mobile terminal moves between the diverse access point in SIA every time
It is dynamic, it requires to re-read MIB.
Wherein, existing different system information is also possible to be placed in specific SIB set between multiple access points in SIA
Information, such as MBMS information, SC-PTM information, D2D information.At this point, not all mobile terminal requires these information.
When mobile terminal moves between the diverse access point in SIA, it can be re-read corresponding according to instruction, in case of need
SIB set.
Access point in SIA can the identical system information of broadcast segment, and sent by MIB or specific SIB set different
System information.
Wherein, it can indicate to deposit between multiple access points in the SIA in the MIB or certain SIB of each access point in SIA in advance
In different system informations.For example, 1bit is arranged in MIB or certain SIB, indicate current SIA whether send different MIB or
Indicate that specific SIB set may be different in SIA；One bit list can also be set in MIB or certain SIB, in bit list
Indicate that each SIB or SIB group may be different in SIA in specific SIB set.Each bit is one SIB or one group corresponding in bit table
SIB。
The method of reseptance of the system information of the embodiment of the present invention, to the terminal UE of Idle state, inactive state and connected state
It is applicable in.
In addition, each access point sends the access point identity of oneself, such as descending synchronous code 2, the downlink of diverse access point
Synchronous code 2 is different.Mobile terminal can identify access point by access point identity, thus according to the second access point identity with
First access point identity determines that mobile terminal is moved to the second access point from the coverage area of the first access point in a SIA
Coverage area.
The method of reseptance of the system information of the embodiment of the present invention, the access point identity sent by access point, can determine
The access point of mobile terminal work at present；The system information area mark sent by access point, can determine access point place
System information area.The identification to the system information area where access point is realized, so as to each system information
The system information of multiple access points in region is managed according to region division.And mobile terminal in a SIA first
Access point is moved to the second access point, it is only necessary to according to instruction, obtain the second access point system letter different from the first access point
Breath, reduces obtained information quantity, reduces system information transmissions bring shared overhead.And access point can broadcast segment it is identical
System information, reduce overhead.And then the convenience of management is improved, network efficiency is improved, and improve user
Experience.It solves in 5G network, if being according further to original each each frequency point of transmission node between bulk transaction node
One cell can bring very big challenge to the management of cell and expense, to reduce the efficiency of network entirety, and can further shadow
The problem of ringing user experience.
5th embodiment
As shown in fig. 7, the embodiment of the present invention also provides a kind of access point 700, comprising:
Module 701 is obtained, for obtaining the first access point identity and the institute of the first access point of mobile terminal work at present
State the first system information area mark of the system information area where the first access point；
Sending module 702, for first access point identity and the first system information area mark to be sent to
The mobile terminal identifies the mobile terminal according to first access point identity and the first system information area,
Determine the coverage area of first access point in the indicated system information area of the first system information area mark.
The access point 700 of the embodiment of the present invention, the access point identity sent by access point, can determine that mobile terminal is worked as
The access point of preceding work；The system information area mark sent by access point, can determine the system information where access point
Region.The identification to the system information area where access point is realized, so as to more in each system information area
The system information of a access point is managed according to region division, and then improves the convenience of management, reduces overhead,
Network efficiency is improved, and the user experience is improved.It solves in 5G network, between bulk transaction node if according further to original
The each frequency point of each transmission node having is a cell, very big challenge can be brought to the management of cell and expense, to reduce
The efficiency of network entirety, and the problem of can further influence user experience.
Preferably, in above-mentioned access point, the sending module is also used to: by the finger of the system information of first access point
Show and be sent to the mobile terminal, makes the mobile terminal in the covering model from the first access point in a system information area
It encloses after being moved to the coverage area of the second access point, according to the instruction of the system information of first access point received, obtains
The system information for taking the second access point different from the first access point.
The access point of the embodiment of the present invention, the access point identity sent by access point, can determine that mobile terminal is current
The access point of work；The system information area mark sent by access point, can determine the system information area where access point
Domain.The identification to the system information area where access point is realized, so as to multiple in each system information area
The system information of access point is managed according to region division.And first access point of the mobile terminal in a SIA is moved to
Second access point, it is only necessary to according to instruction, obtain the second access point system information different from the first access point, reduce information
Amount to obtain reduces system information transmissions bring shared overhead.And access point can the identical system information of broadcast segment, subtract
Small overhead.And then the convenience of management is improved, network efficiency is improved, and the user experience is improved.It solves
In 5G network, if being a cell according further to original each each frequency point of transmission node between bulk transaction node, it can give
The management of cell and expense bring very big challenge, to reduce the efficiency of network entirety, and can further influence user experience
Problem.
In addition, above-mentioned access point both can be used as the first access point in above-mentioned application scenarios, it is also possible to above-mentioned application
The second access point in scene, can both send the mark of SIA to terminal, and the mark of access point can also send system to terminal
It unites information, when specific implementation, is realized referring to the example in above-mentioned application scenarios.
In various embodiments of the present invention, it should be appreciated that magnitude of the sequence numbers of the above procedures are not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (18)
1. a kind of acquisition methods of system information characterized by comprising
Obtain the first access point identity and the first system information area mark that the first access point of mobile terminal work at present is sent
Know；
It is identified according to first access point identity and the first system information area, determines the covering of first access point
Range is in the indicated system information area of the first system information area mark.
2. the acquisition methods of system according to claim 1 information, which is characterized in that further include:
When the mobile terminal is moved to the coverage area of the second access point from the coverage area of first access point, obtain
The second system information area of system information area where second access point identifies；
First system of the system information area where second system information area mark and first access point
Information area of uniting identifies, and judges that second access point and first access point whether there is in the same system information area
Domain；
If second access point and first access point be not in same system information area, it is determined that the mobile terminal
Second system information where being moved to second access point from the first system information area where first access point
Region；Otherwise, it determines the mobile terminal moves in a system information area.
3. the acquisition methods of system information according to claim 2, which is characterized in that determine the mobile terminal at one
When being moved in system information area, further includes:
Obtain the second access point identity that second access point is sent；
According to second access point identity and first access point identity, determine the mobile terminal from a system information
The coverage area of the first access point in region is moved to the coverage area of the second access point.
4. the acquisition methods of system information according to claim 3, which is characterized in that according to second access point identity
With first access point identity, covering model of the mobile terminal from the first access point in a system information area is determined
The step of enclosing the coverage area for being moved to the second access point include:
In second access point identity and the first access point identity difference, determine the mobile terminal from a system
The coverage area of the first access point in information area is moved to the coverage area of the second access point.
5. the acquisition methods of system information according to claim 3 or 4, which is characterized in that determine the mobile terminal from
After the coverage area of the first access point in one system information area is moved to the coverage area of the second access point, further includes:
According to the instruction of the system information for the first access point being previously received, it is different from the first access point to obtain the second access point
System information.
6. the acquisition methods of system information according to claim 5, which is characterized in that connect according to be previously received first
The instruction of the system information of access point, the step of obtaining the second access point system information different from the first access point include:
The terminal of the terminal of Idle state, the terminal of inactive state or connected state, according to the first access point being previously received
The instruction of system information, the second access point of Xiang Suoshu obtain the second access point system information different from the first access point；Or
Radio resource control RRC switching occurs between first access point and second access point for the terminal of connected state
When, by RRC switching command, obtain the second access point system information different from the first access point.
7. the acquisition methods of system information according to claim 2, which is characterized in that determine mobile terminal from described first
After the first system information area where access point is moved to the second system information area where second access point, also wrap
It includes:
Obtain the system information that the second access point in the second system information area is sent.
8. a kind of mobile terminal characterized by comprising
First obtains module, the first access point identity and that the first access point for obtaining mobile terminal work at present is sent
One system information area mark；
First determining module determines institute for identifying according to first access point identity and the first system information area
The coverage area of the first access point is stated in the indicated system information area of the first system information area mark.
9. mobile terminal according to claim 8, which is characterized in that further include:
Second obtains module, for being moved to the second access point from the coverage area of first access point in the mobile terminal
Coverage area when, obtain the second system information area mark of the system information area where second access point；
Judgment module, for according to the system information where second system information area mark and first access point
The first system information area in region identifies, and judges that second access point whether there is with first access point in same
System information area；
Second determining module, if for second access point and first access point not in same system information area,
The first system information area where then determining the mobile terminal from first access point is moved to second access point
The second system information area at place；Otherwise, it determines the mobile terminal moves in a system information area.
10. mobile terminal according to claim 9, which is characterized in that determine the movement in second determining module
When terminal moves in a system information area, further includes:
Third obtains module, the second access point identity sent for obtaining second access point；
Third determining module, for determining the movement according to second access point identity and first access point identity
Terminal is moved to the coverage area of the second access point from the coverage area of the first access point in a system information area.
11. mobile terminal according to claim 10, which is characterized in that the third determining module is specifically used for: in institute
When stating the second access point identity and the first access point identity difference, determine the mobile terminal from a system information area
The coverage area of the first interior access point is moved to the coverage area of the second access point.
12. mobile terminal described in 0 or 11 according to claim 1, which is characterized in that further include:
4th obtains module, for the instruction of the system information according to the first access point being previously received, obtains the second access
The point system information different from the first access point.
13. mobile terminal according to claim 12, which is characterized in that the 4th acquisition module is specifically used for: moving
When dynamic terminal is the terminal of the terminal of Idle state, the terminal of inactive state or connected state, connect according to be previously received first
The instruction of the system information of access point, the second access point of Xiang Suoshu obtain the second access point system letter different from the first access point
Breath；Or
When the mobile terminal is the terminal of connected state, nothing occurs between first access point and second access point
When line resources control RRC switches, by RRC switching command, the second access point system information different from the first access point is obtained.
14. mobile terminal according to claim 9, which is characterized in that determine mobile terminal in second determining module
Second system information where being moved to second access point from the first system information area where first access point
Behind region, further includes:
5th obtains module, for obtaining the system information of the transmission of the second access point in the second system information area.
15. a kind of sending method of system information characterized by comprising
It obtains the first access point identity of the first access point of mobile terminal work at present and is where first access point
The first system information area mark of system information area；
First access point identity and the first system information area mark are sent to the mobile terminal, make the shifting
Dynamic terminal is identified according to first access point identity and the first system information area, determines covering for first access point
Lid range is in the indicated system information area of the first system information area mark.
16. sending method according to claim 15, which is characterized in that further include:
The instruction of the system information of first access point is sent to the mobile terminal, makes the mobile terminal from one
After the coverage area of the first access point in system information area is moved to the coverage area of the second access point, according to what is received
The instruction of the system information of first access point obtains the second access point system information different from the first access point.
17. a kind of access point characterized by comprising
Module is obtained, the first access point identity and described first for obtaining the first access point of mobile terminal work at present connect
The first system information area of system information area where access point identifies；
Sending module, for first access point identity and the first system information area mark to be sent to the movement
Terminal identifies the mobile terminal according to first access point identity and the first system information area, described in determination
The coverage area of first access point is in the indicated system information area of the first system information area mark.
18. access point according to claim 17, which is characterized in that the sending module is also used to: described first is connect
The instruction of the system information of access point is sent to the mobile terminal, makes the mobile terminal out of a system information area
After the coverage area of first access point is moved to the coverage area of the second access point, according to first access point received
The instruction of system information obtains the second access point system information different from the first access point.
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| CN110120858A (en) * | 2018-02-05 | 2019-08-13 | 大唐移动通信设备有限公司 | A kind of method and device updating system information in Internet of Things |
| CN110505694A (en) | 2018-05-17 | 2019-11-26 | 索尼公司 | Electronic equipment and method, computer readable storage medium for wireless communication |
| CN113453338B (en) * | 2020-03-24 | 2023-09-05 | 维沃移动通信有限公司 | Receiving method, transmitting method, terminal and network side equipment |
| CN116097739A (en) * | 2020-08-06 | 2023-05-09 | 富士通株式会社 | Configuration method, acquisition method and device of system information |
| CN112469121A (en) * | 2020-10-15 | 2021-03-09 | 中国信息通信研究院 | Broadcast channel indication method, equipment and communication system |
| CN114727299A (en) * | 2021-01-04 | 2022-07-08 | 中国移动通信有限公司研究院 | System information sending method, system information receiving method, terminal and base station |
| CN116980907A (en) * | 2022-04-20 | 2023-10-31 | 大唐移动通信设备有限公司 | Information processing method, device and equipment |
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| CN103582085A (en) * | 2012-08-10 | 2014-02-12 | 华为技术有限公司 | Access method and device in heterogeneous network |
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| CN103582085A (en) * | 2012-08-10 | 2014-02-12 | 华为技术有限公司 | Access method and device in heterogeneous network |
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