CN105451279B - Reorientation method and system between mobile communication system - Google Patents
Reorientation method and system between mobile communication system Download PDFInfo
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- CN105451279B CN105451279B CN201410493760.0A CN201410493760A CN105451279B CN 105451279 B CN105451279 B CN 105451279B CN 201410493760 A CN201410493760 A CN 201410493760A CN 105451279 B CN105451279 B CN 105451279B
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Abstract
The embodiment of the invention discloses the reorientation methods and system between a kind of side's mobile communication system, wherein, method includes: that mobile terminal carries out isosystem measurement in the lte networks, and to eNB reporting measurement reports, it include band and frequency point number information belonging to the eHRPD frequency point in the channel list including PN, eHRPD frequency point and its channel list of the eHRPD network cell for meeting report condition；ENB is according to preset standard, one is selected to be filled into RRC connection release transmitting signaling downwards mobile terminal as designated area, and by the PN of the designated area, corresponding eHPRD frequency point and its channel list from the corresponding eHRPD network cell of PN in measurement report；Mobile terminal reads RRC connection release signaling, carries out HASH calculating using channel list information therein and SessionSeed, obtains a target eHPRD frequency point and be resident.The embodiment of the present invention can reduce the switching duration of the unoptimizable activation switching of LTE network to eHRPD network.
Description
Technical field
Reorientation method and system the present invention relates to the communication technology, between especially a kind of mobile communication system.
Background technique
Long term evolution (LTE) be used as Technology of New Generation Mobile Communications, be capable of providing higher user rate and it is lower when
Prolong, richer business is provided.But the construction of LTE network certainly exists a longer process, in this process, can deposit
It is less than the scene of 2G/3G network in LTE network covering.When user from have LTE network cover region, be moved to no LTE net
Network covers but has the region of the 2G/3G network coverage, it may appear that the problem of business goes offline, call drop.When LTE network covering is insufficient
It waits, needs to smoothly switch enhancing high speed packet data (Enhanced High Rate Packet Data, eHRPD) network,
To ensure business continuance.
Under terminal connected state, LTE network switches to the activation of eHRPD network, and there are two types of switching modes at present: optimization swashs
Switching living and unoptimizable activation switching.Mainstream plant equipment only supports LTE network to cut to the unoptimizable activation of eHRPD network at present
It changes.The unoptimizable activation switching of LTE network to eHRPD network is to carry out activation switching using redirection mode.
It activates and switches in unoptimizable, if signal strength (RSRP or RSRQ) is lower than A2 event pre- gating corresponding to B2 event
Limit, LTE network specify a redirection when sending wireless heterogeneous networks (RRC) connection release message to mobile terminal
The frequency band and frequency point information of eHRPD network simultaneously issue mobile terminal by RRC connection release message, and instruction mobile terminal exists
Connection is established on eHRPD frequency point；After mobile terminal discharges LTE RRC connection, system message is received on specifying frequency point, and according to
The system message received carries out Hash (HASH) operation, and eHRPD network connection is initiated on the frequency point that HASH operation obtains and is built
It is vertical.
In the implementation of the present invention, inventor has found that above-mentioned unoptimizable activation switch method at least has following ask
Topic:
Since after LTE RRC Connection Release, HASH is arrived read system message mobile terminal needs again on specified frequency point
On target frequency point, need to spend when be about 2 seconds or more, the activation switching of unoptimizable from LTE network to eHRPD network is cut
It is longer to change duration, causes user for a long time can not transmitting and receiving service number between LTE RRC Connection Release and eHRPD connection are established
According to the long-time for resulting in communication service is interrupted, and customer service experience is reduced.
Summary of the invention
The embodiment of the present invention the technical problem to be solved is that: provide a kind of reorientation method between mobile communication system and
System improves communication service quality to reduce the switching duration of the unoptimizable activation switching of LTE network to eHRPD network.
Reorientation method between a kind of mobile communication system provided in an embodiment of the present invention, comprising:
Mobile terminal carries out isosystem measurement in long term evolution LTE network, and to evolution base station eNB reporting measurement report
Accuse, include in the measurement report meet report condition enhancing high speed packet data eHRPD network cell pseudo-random sequence PN,
EHRPD frequency point and its channel list include frequency band band belonging to the eHRPD frequency point and frequency point number letter in the channel list
Breath；
ENB is selected one small as specifying according to preset standard from the corresponding eHRPD network cell of PN in measurement report
Area, and the PN of the designated area, corresponding eHPRD frequency point and its channel list are filled into wireless heterogeneous networks Connection Release
RRC connection release signaling；
ENB issues the RRC connection release signaling to mobile terminal；
Mobile terminal reads RRC connection release signaling, uses the RRC connection release
The session seed SessionSeed that the channel list information and the mobile terminal that signaling carries generate carries out Hash HASH meter
It calculates, obtains a target eHPRD frequency point；
Mobile terminal is resident in the target eHPRD frequency point.
In another embodiment based on the above method of the present invention, the isosystem measurement includes A2 event and/or B2
Affair.
In another embodiment based on the above method of the present invention, eNB is selected from measurement report according to preset standard
One eHRPD network cell includes: as designated area
ENB specifically from the corresponding eHRPD network cell of PN that measurement report carries, selects a channel quality best
EHRPD network cell is as designated area.
In another embodiment based on the above method of the present invention, believed using the RRC connection release
The session seed SessionSeed for enabling the channel list information carried and the mobile terminal generate carries out Hash HASH and calculates packet
It includes:
The band and frequency point in channel list that mobile terminal is carried by the RRC connection release signaling
Number determine available frequency points；
Mobile terminal utilize HASH function, to by the channel list band and frequency point number determines available frequency points
It is calculated with SessionSeed, obtains a frequency point as target eHPRD frequency point.
In another embodiment based on the above method of the present invention, the RRC connection release signaling is taken
It include one or more frequency point numbers in the channel list of band；
The mobile terminal specifically utilizes HASH function, to by the channel list band and all frequency point numbers determine
Available frequency points and SessionSeed calculated.
In another embodiment based on the above method of the present invention, further includes:
Mobile terminal initiates communication service on the target eHRPD frequency point or and receives the paging that eHPRD network issues
Message.
Redirectional system between a kind of mobile communication system provided in an embodiment of the present invention, comprising:
Mobile terminal, for carrying out isosystem measurement in the lte networks, and to eNB reporting measurement reports, the measurement report
In include PN, eHRPD frequency point and its channel list for meeting the eHRPD network cell of report condition, include in the channel list
Band belonging to the eHRPD frequency point and frequency point number information；The RRC connection release signaling that eNB is issued is read,
What the channel list information carried using the RRC connection release signaling and the mobile terminal were generated
SessionSeed carries out HASH calculating, obtains a target eHPRD frequency point；And it is resident in the target eHPRD frequency point；
ENB, for according to preset standard, selected from the corresponding eHRPD network cell of PN in measurement report one as
Designated area, and the PN of the designated area, corresponding eHPRD frequency point and its channel list are filled into RRC connection
Release signaling；And the RRC connection release signaling is issued to mobile terminal.
In another embodiment based on above system of the present invention, the isosystem measurement includes A2 event and/or B2
Affair.
In another embodiment based on above system of the present invention, the eNB, specifically for what is carried from measurement report
In the corresponding eHRPD network cell of PN, the eHRPD network cell for selecting a channel quality best is as designated area.
In another embodiment based on above system of the present invention, the mobile terminal is specifically used for by the RRC
Band and frequency point number in the channel list of connection release signaling carrying determine that available frequency is counted, and utilize HASH
Function calculates available frequency points and SessionSeed, obtains a frequency point as target eHPRD frequency point.
In another embodiment based on above system of the present invention, the RRC connection release signaling is taken
It include one or more frequency point numbers in the channel list of band；
The mobile terminal is specifically used for utilizing HASH function, to by the band and all frequency points in the channel list
Number determining available frequency points and SessionSeed are calculated.
In another embodiment based on above system of the present invention, the mobile terminal is also used in the target
Communication service is initiated on eHRPD frequency point or and receives the paging message that eHPRD network issues.
Based on the above embodiment of the present invention provide mobile communication system between reorientation method and system, mobile terminal into
After row isosystem measurement, into the measurement report that eNB is reported carry meet report condition eHRPD network cell PN,
EHRPD frequency point and its channel list, eNB directly directly select one from the corresponding eHRPD network cell of PN in measurement report
Pass through RRC connection as designated area, and by the PN of designated area, corresponding eHPRD frequency point and its channel list
Release transmitting signaling downwards are to mobile terminal；Mobile terminal directly use the corresponding channel list information of designated area and
SessionSeed carries out HASH calculating, obtains target eHPRD frequency point and is resident.Compared with prior art, the embodiment of the present invention subtracts
The switching duration for having lacked the unoptimizable activation switching of LTE network to eHRPD network, improves communication service quality, improves user
Business experience.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiment of the present invention, and together with description for explaining
The principle of the present invention.
The present invention can be more clearly understood according to following detailed description referring to attached drawing, in which:
The flow chart of the reorientation method one embodiment of Fig. 1 between mobile communication system of the present invention.
The flow chart of reorientation method another embodiment of the Fig. 2 between mobile communication system of the present invention.
The structural schematic diagram of the Redirectional system one embodiment of Fig. 3 between mobile communication system of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The flow chart of the reorientation method one embodiment of Fig. 1 between mobile communication system of the present invention.As shown in Figure 1, should
Reorientation method between embodiment mobile communication system includes:
110, mobile terminal carries out isosystem measurement in the lte networks, and on the evolution base station (eNB) into LTE network
Measurement report is reported, includes meeting report condition (such as signal strength being higher than the different systems such as A2 event, B2 event in the measurement report
The predetermined threshold value of measurement event) eHRPD network cell pseudo-random sequence (PN), eHRPD frequency point and its channel list, should
It include frequency band (band) and frequency point number (also referred to as are as follows: channel number) information belonging to eHRPD frequency point in channel list, for example,
BAND0,37.
The cell therein for meeting report condition may be one or more.
120, eNB according to preset standard, selected from the corresponding eHRPD network cell of PN in measurement report one as referring to
Determine cell, and the PN of the designated area, corresponding eHPRD frequency point and its channel list are filled into wireless heterogeneous networks connection and released
It puts in (RRC connection release) signaling.
130, eNB issue RRC connection release signaling to mobile terminal.
140, mobile terminal reads RRC connection release signaling, uses the RRC connection
The session seed (SessionSeed) that the channel list information and the mobile terminal that release signaling carries generate carries out HASH
It calculates, obtains a target eHPRD frequency point.
Wherein, SessionSeed is to produce before mobile terminal establishes session in data-optimized (EV-DO) network of evolution
It is raw.
150, system message is resident and is received to mobile terminal in target eHPRD frequency point, such as synchronous (Sync) disappears
Breath, rapid configuration (Quick Config) message, access parameter (Access Parameter), sector parameters (Sector
Parameter) etc..
Reorientation method between the mobile communication system provided based on the above embodiment of the present invention, mobile terminal carry out different system
After unified test amount, PN, eHRPD frequency point for meeting the eHRPD network cell of report condition are being carried into the measurement report that eNB is reported
And its channel list, eNB directly directly select from the corresponding eHRPD network cell of PN in measurement report one small as specifying
Area, and the PN of designated area, corresponding eHPRD frequency point and its channel list are passed through into RRC connection release signaling
It is handed down to mobile terminal；Mobile terminal directly uses the corresponding channel list information of designated area and SessionSeed to carry out
HASH is calculated, and is obtained target eHPRD frequency point and is resident.Compared with prior art, the embodiment of the present invention reduces mobile terminal and connects
It receives read system message and carries out time delay caused by HASH operation again, the unoptimizable activation for reducing LTE network to eHRPD network is cut
The switching duration changed improves communication service quality, improves the business experience of user.
In one particular embodiment of the present invention, isosystem measurement may include A2 event and/or B2 affair.Its
In, the report condition of A2 event is that serving cell quality may occur cell after occurring and cut lower than absolute thresholding, A2 event is preset
The operation such as change.The report condition of B2 event is serving cell quality lower than certain thresholding and different system adjacent cell quality is higher than centainly
Thresholding.
It is provided according to 36.331 V9.12.0 agreement of 3GPP TS, the triggering item of eHRPD network is switched to from LTE connected state
Part has A2 event and two kinds of B2 event at present.Wherein, the handover mechanism based on A2 event is that mobile terminal measures LTE reference
Signal strength (Reference Signal Received Power RSRP or Reference Signal Received Quality RSRQ) is lower than the pre-determined threshold of A2 event
(a2-Threshold) when, after mobile terminal reports the measurement report of A2 event, eNB to receive the measurement report of A2 event to eNB
The triggering switching of RRC Connection Release signaling is issued to mobile terminal.Reporting the condition of A2 event specifically indicates such as
Under:
Ms+Hys<a2-Thresh
Wherein, Ms is serving cell RSRP measured value；Hys is that pre-set event is sluggish.
Handover mechanism based on B2 event is, after the measurement report of mobile terminal reporting A2 event, eNB is under mobile terminal
B2 event argument is sent out, mobile terminal measures the pre-determined threshold 1 that LTE reference signal strength (RSRP or RSRQ) is lower than B2 event
The pilot signal quality of (b2-Threshold 1) and eHRPD are higher than the pre-determined threshold 2 (b2-Threshold2) of B2 event, move
Dynamic terminal reports the measurement report of B2 event to eNB, and eNB is received and issued RRC to mobile terminal after the measurement report of B2 event
The triggering switching of Connection Release signaling.The condition of B2 event is reported specifically to be expressed as follows:
Ms+Hys<b2-Thresh1,and Mn+Ofn-Hys>b2-Thresh2
Wherein, Ms is serving cell measured value；Mn is eHRPD measured value；Ofn is the biasing of different system frequency；Hys is default
Event is sluggish.
The flow chart of reorientation method another embodiment of the Fig. 2 between mobile communication system of the present invention.As shown in Fig. 2,
Reorientation method between the embodiment mobile communication system includes:
210, mobile terminal carries out the isosystem measurement of A2 or B2 event, and the eNB into LTE network in the lte networks
Reporting measurement reports include PN, eHRPD frequency point and its letter for meeting the eHRPD network cell of report condition in the measurement report
Road list includes band and frequency point number information belonging to eHRPD frequency point in the channel list.
The cell therein for meeting report condition may be one or more.
220, eNB from the corresponding eHRPD network cell of PN that measurement report carries, select a channel quality best
EHRPD network cell is filled as designated area, and by the PN of the designated area, corresponding eHPRD frequency point and its channel list
Into in RRC connection release signaling.
230, eNB issue RRC connection release signaling to mobile terminal.
240, mobile terminal discharges LTE RRC connection, and reads and carry in RRC connection release signaling
PN, corresponding eHPRD frequency point and its channel list information.
250, the band and frequency point in channel list that mobile terminal is carried by RRC connection release signaling
It number determines available frequency points, then utilizes HASH function, the available frequency point quantity and the mobile terminal are generated
SessionSeed is calculated, and obtains a frequency point as target eHPRD frequency point.
It may include one or more frequency point numbers in channel list.It is mobile whole when including multiple frequency point numbers in channel list
End specifically utilizes HASH function, generates to the available frequency points determined by band and all frequency point numbers and the mobile terminal
SessionSeed is calculated.
260, mobile terminal is resident in target eHPRD frequency point and receives system message.
Later, mobile terminal can execute operation 270, and communication service is initiated on target eHRPD frequency point or and is received
The paging message that eHPRD network issues, for example, initiating calling or receiving call request.
The structural schematic diagram of the Redirectional system one embodiment of Fig. 3 between mobile communication system of the present invention.The embodiment
System can be used for realizing the reorientation method processes of the various embodiments described above of the present invention.As shown in figure 3, the embodiment mobile communication
Redirectional system between system includes mobile terminal and eNB.Wherein:
Mobile terminal, for carrying out isosystem measurement in the lte networks, and to eNB reporting measurement reports, the measurement report
In include PN, eHRPD frequency point and its channel list for meeting the eHRPD network cell of report condition, include in the channel list
Band belonging to eHRPD frequency point and frequency point number information；The RRC connection release signaling that eNB is issued is read, is used
The SessionSeed that the channel list information and the mobile terminal that RRC connection release signaling carries generate is carried out
HASH is calculated, and obtains a target eHPRD frequency point；And it is resident in target eHPRD frequency point.
Illustratively, isosystem measurement therein can specifically include but be not limited to A2 event and/or B2 affair.
ENB, for according to preset standard, selected from the corresponding eHRPD network cell of PN in measurement report one as
Designated area, for example, selecting a channel quality best from the corresponding eHRPD network cell of PN that measurement report carries
EHRPD network cell is filled as designated area, and by the PN of the designated area, corresponding eHPRD frequency point and its channel list
Into RRC connection release signaling；And RRC connection release signaling is issued to mobile terminal.
Redirectional system between the mobile communication system provided based on the above embodiment of the present invention, mobile terminal carry out different system
After unified test amount, PN, eHRPD frequency point for meeting the eHRPD network cell of report condition are being carried into the measurement report that eNB is reported
And its channel list, eNB directly directly select from the corresponding eHRPD network cell of PN in measurement report one small as specifying
Area, and the PN of designated area, corresponding eHPRD frequency point and its channel list are passed through into RRC connection release signaling
It is handed down to mobile terminal；Mobile terminal directly uses the corresponding channel list information of designated area and SessionSeed to carry out
HASH is calculated, and is obtained target eHPRD frequency point and is resident.Compared with prior art, the embodiment of the present invention reduces mobile terminal and connects
It receives read system message and carries out time delay caused by HASH operation again, the unoptimizable activation for reducing LTE network to eHRPD network is cut
The switching duration changed improves communication service quality, improves the business experience of user.
In a specific example of the above-mentioned Redirectional system embodiment of the present invention, mobile terminal is specifically used for by RRC
Band and frequency point number in the channel list of connection release signaling carrying determine that available frequency is counted, and utilize HASH
Function, the SessionSeed generated to determining available frequency points and the mobile terminal are calculated, and obtain a frequency point conduct
Target eHPRD frequency point.
In a specific example of the above-mentioned Redirectional system embodiment of the present invention, RRC connection release letter
Enabling in the channel list carried includes one or more frequency point numbers；Correspondingly, mobile terminal is specifically used for utilizing HASH function, right
By in the channel list band and all frequency point numbers determine available frequency points and the mobile terminal generate session seed
SessionSeed is calculated.
Compared with above-described embodiment, in another embodiment of the above-mentioned Redirectional system of the present invention, mobile terminal may be used also
For initiating communication service on target eHRPD frequency point or and receiving the paging message that eHPRD network issues.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with its
The difference of its embodiment, the same or similar part cross-reference between each embodiment.For system embodiment
For, since it is substantially corresponding with embodiment of the method, so being described relatively simple, referring to the portion of embodiment of the method in place of correlation
It defends oneself bright.
Method of the invention, system may be achieved in many ways.For example, software, hardware, firmware or soft can be passed through
Part, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for the method is only
It is to be illustrated, the step of method of the invention is not limited to sequence described in detail above, unless otherwise especially
Explanation.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these program bags
It includes for realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this
The recording medium of the program of the method for invention.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (10)
1. the reorientation method between a kind of mobile communication system characterized by comprising
Mobile terminal carries out isosystem measurement in long term evolution LTE network, and to evolution base station eNB reporting measurement reports, should
It include pseudo-random sequence PN, eHRPD for meeting the enhancing high speed packet data eHRPD network cell of report condition in measurement report
Frequency point and its channel list include frequency band band and frequency point number information belonging to the eHRPD frequency point in the channel list；
ENB according to preset standard, selected from the corresponding eHRPD network cell of PN in measurement report one as designated area,
And the PN of the designated area, corresponding eHPRD frequency point and its channel list are filled into wireless heterogeneous networks Connection Release RRC
Connection release signaling；
ENB issues the RRC connection release signaling to mobile terminal；
Mobile terminal reads RRC connection release signaling, uses the RRC connection release signaling
The session seed SessionSeed that the channel list information of carrying and the mobile terminal generate carries out Hash HASH calculating, obtains
Obtain a target eHPRD frequency point；
Mobile terminal is resident in the target eHPRD frequency point；
Wherein, the channel list information and the mobile terminal carried using the RRC connection release signaling is produced
Raw session seed SessionSeed carries out Hash HASH calculating
The band and frequency point number that mobile terminal is carried by the RRC connection release signaling in channel list are true
Determine available frequency points；
Mobile terminal utilizes HASH function, to by the channel list band and the available frequency that determines of frequency point number is counted and institute
It states SessionSeed to be calculated, obtains a frequency point as target eHPRD frequency point.
2. the method according to claim 1, wherein the isosystem measurement includes A2 event and/or B2 event
Measurement.
3. the method according to claim 1, wherein eNB according to preset standard, selects one from measurement report
EHRPD network cell includes: as designated area
ENB specifically from the corresponding eHRPD network cell of PN that measurement report carries, selects a channel quality best
EHRPD network cell is as designated area.
4. the method according to claim 1, wherein what the RRC connection release signaling carried
It include one or more frequency point numbers in channel list；
The mobile terminal specifically utilizes HASH function, to by the channel list band and all frequency point numbers determine can
It is calculated with frequency point number and the SessionSeed.
5. the method according to claim 1, which is characterized in that further include:
Mobile terminal initiates communication service on the target eHRPD frequency point or and receives the paging message that eHPRD network issues.
6. the Redirectional system between a kind of mobile communication system characterized by comprising
Mobile terminal wraps in the measurement report for carrying out isosystem measurement in the lte networks, and to eNB reporting measurement reports
PN, eHRPD frequency point and its channel list of the eHRPD network cell for meeting report condition are included, includes described in the channel list
Band belonging to eHRPD frequency point and frequency point number information；The RRC connection release signaling that eNB is issued is read, is used
What the channel list information and the mobile terminal that the RRC connection release signaling carries generated
SessionSeed carries out HASH calculating, obtains a target eHPRD frequency point；And it is resident in the target eHPRD frequency point；
ENB, for according to preset standard, select from the corresponding eHRPD network cell of PN in measurement report one as specifying
Cell, and the PN of the designated area, corresponding eHPRD frequency point and its channel list are filled into RRC connection
Release signaling；And the RRC connection release signaling is issued to mobile terminal；
Wherein, in the channel list that the mobile terminal is used to be carried by the RRC connection release signaling
Band and frequency point number determine available frequency count, and utilize HASH function, to the available frequency points and the SessionSeed into
Row calculates, and obtains a frequency point as target eHPRD frequency point.
7. system according to claim 6, which is characterized in that the isosystem measurement includes A2 event and/or B2 event
Measurement.
8. system according to claim 6, which is characterized in that the eNB, specifically for PN pairs carried from measurement report
In the eHRPD network cell answered, the eHRPD network cell for selecting a channel quality best is as designated area.
9. system according to claim 6, which is characterized in that the RRC connection release signaling carried
It include one or more frequency point numbers in channel list；
The mobile terminal, be specifically used for utilize HASH function, to by the channel list band and all frequency point numbers it is true
Fixed available frequency points and the SessionSeed are calculated.
10. according to system described in claim 6 to 9 any one, which is characterized in that the mobile terminal is also used in institute
It states and initiates communication service on target eHRPD frequency point or and receive the paging message that eHPRD network issues.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110662264B (en) * | 2018-06-28 | 2022-04-19 | 中国电信股份有限公司 | Switching method, system, core network device and computer readable storage medium |
| CN110839263B (en) * | 2018-08-16 | 2023-08-15 | 中国移动通信有限公司研究院 | Information configuration method, device, equipment and storage medium |
| CN109151770B (en) * | 2018-10-26 | 2022-04-12 | 锦图计算技术(深圳)有限公司 | Dual-path network switching method, vehicle-mounted gateway system and computer readable storage medium |
| CN110868741A (en) * | 2019-11-21 | 2020-03-06 | 中国联合网络通信集团有限公司 | Base station, base station switching method and device |
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| CN101873653A (en) * | 2009-04-21 | 2010-10-27 | 大唐移动通信设备有限公司 | Method and system for redirecting cell |
| CN102307375A (en) * | 2011-09-06 | 2012-01-04 | 中兴通讯股份有限公司 | Method and system for switching between different networks and eHRPD network |
| CN103582059A (en) * | 2012-07-19 | 2014-02-12 | 中兴通讯股份有限公司 | Redirection method, redirection device, mobile terminal and base station |
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