CN108696872A - A kind of reorientation method and device - Google Patents
A kind of reorientation method and device Download PDFInfo
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- CN108696872A CN108696872A CN201710127813.0A CN201710127813A CN108696872A CN 108696872 A CN108696872 A CN 108696872A CN 201710127813 A CN201710127813 A CN 201710127813A CN 108696872 A CN108696872 A CN 108696872A
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/12—Detection or prevention of fraud
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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Abstract
A kind of reorientation method of present invention offer and device, are related to field of communication technology, are redirected to pseudo-base station with to avoid user, improve user experience.The reorientation method of the present invention, including:Random access procedure is carried out with terminal;Radio resource control RRC connection procedure is carried out with the terminal;Receive the tracking area update request that the terminal is sent;Tracking area update refusal request is sent to the terminal;Radio resource control RRC connection release message is sent to the terminal;Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, carrying the information of the frequency point of the different system of 2G systems in the RRC connection release message;Alternatively, the information of the frequency point of the information of 2G frequency points and the different system of 2G systems is carried in the RRC connection release message, and the priority of the 2G frequency points is less than the priority of the frequency point of the different system.Present invention is mainly used in redirecting technique.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of reorientation methods and device.
Background technology
Some pseudo-base stations, including 4G pseudo-base stations and 2G pseudo-base stations are found that in existing net in the recent period.Pseudo-base station passes through high-power
Signal sucks user.If user mobile phone signal is forced to be connected in pseudo-base station equipment, mobile phone will be caused normal
The service provided using operator, restores normal phenomenon, part mobile phone is then necessary after generally will appear temporary off-grid 8~12 seconds
Switching on and shutting down could network again, and pole deleterious effect is caused to user experience.
Invention content
In view of this, a kind of reorientation method of present invention offer and device, are redirected to pseudo-base station with to avoid user, carry
High user experience.
In order to solve the above technical problems, in a first aspect, the present invention provides a kind of reorientation method, including:
Random access procedure is carried out with terminal;
Radio resource control RRC connection procedure is carried out with the terminal;
Receive the tracking area update request that the terminal is sent;
Tracking area update refusal request is sent to the terminal;
Radio resource control RRC connection release message is sent to the terminal;
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC connections
The information of the frequency point of the different system of 2G systems is carried in release message;Alternatively, carrying 2G frequencies in the RRC connection release message
The information of the frequency point of the information of point and the different system of 2G systems, and the priority of the 2G frequency points is less than the frequency of the different system
The priority of point.
Wherein, the different system of the 2G systems includes:3G systems and/or 4G systems.
Second aspect, the present invention provide a kind of reorientation method, including:
Random access procedure is carried out with base station;
RRC connection procedures are carried out with the base station;
Tracking area update request is sent to the base station;
Receive the tracking area update refusal request that the base station is sent;
Receive the RRC connection release message that the base station is sent;
It is redirected according to the RRC connection release message;
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC connections
The information of the frequency point of the different system of 2G systems is carried in release message;Alternatively, carrying 2G frequencies in the RRC connection release message
The information of the frequency point of the information of point and the different system of 2G systems, and the priority of the 2G frequency points is less than the frequency of the different system
The priority of point.
Wherein, the different system of the 2G systems includes:3G systems and/or 4G systems.
The third aspect, the present invention provide a kind of redirection device, including:
Random access module, for carrying out random access procedure with terminal;
Link block, for carrying out radio resource control RRC connection procedure with the terminal;
Receiving module, the tracking area update request sent for receiving the terminal;
First sending module, for sending tracking area update refusal request to the terminal;
Second sending module, for sending radio resource control RRC connection release message to the terminal;
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC connections
The information of the frequency point of the different system of 2G systems is carried in release message;Alternatively, carrying 2G frequencies in the RRC connection release message
The information of the frequency point of the information of point and the different system of 2G systems, and the priority of the 2G frequency points is less than the frequency of the different system
The priority of point.
Wherein, the different system of the 2G systems includes:3G systems and/or 4G systems.
Fourth aspect, the present invention provide a kind of redirection device, including:
Random access module, for carrying out random access procedure with base station;
Link block, for carrying out RRC connection procedures with the base station;
Sending module, for sending tracking area update request to the base station;
First receiving module refuses request for receiving the tracking area update that the base station is sent;
Second receiving module, the RRC connection release message sent for receiving the base station;
Redirection module, for being redirected according to the RRC connection release message;
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC connections
The information of the frequency point of the different system of 2G systems is carried in release message;Alternatively, carrying 2G frequencies in the RRC connection release message
The information of the frequency point of the information of point and the different system of 2G systems, and the priority of the 2G frequency points is less than the frequency of the different system
The priority of point.
Wherein, the different system of the 2G systems includes:3G systems and/or 4G systems.
The above-mentioned technical proposal of the present invention has the beneficial effect that:
The information of the frequency point of the different system of 2G systems is carried in the RRC connection release message sent due to base station, or is taken
The priority of the 2G frequency points of band is less than the priority of the frequency point of different system, and therefore, terminal can not navigate to 2G pseudo-base stations, to protect
The communication for having demonstrate,proved user is unimpeded, improves the experience of user.
5th aspect, the present invention provide a kind of reorientation method, including:
Receive the RRC connection release message that base station is sent;
It determines within the predetermined time before receiving the RRC connection release message, if received tracing area more
New refusal request;
If receiving the tracking area update refusal request, the different system adjacent cell of current service cell is accessed again;
If not receiving the tracking area update refusal request, redirected according to redirection information.
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC connections
The information of the frequency point of the different system of 2G systems is carried in release message;Alternatively, carrying 2G frequencies in the RRC connection release message
The information of the frequency point of the information of point and the different system of 2G systems, and the priority of the 2G frequency points is less than the frequency of the different system
The priority of point;The information of 2G frequency points is carried in the RRC connection release message;Alternatively, in the RRC connection release message
The information of the frequency point of the different system of the middle information for carrying 2G frequency points and 2G systems, and the priority of the 2G frequency points is higher than described
The priority of the frequency point of different system.
Wherein, the different system of the 2G systems includes:3G systems and/or 4G systems.
6th aspect, the present invention provide a kind of redirection device, including:
Receiving module, the RRC connection release message for receiving base station transmission;
Judgment module, for determining within the predetermined time before receiving the RRC connection release message, if receive
Cross tracking area update refusal request;
If processing module accessed current service cell again for receiving the tracking area update refusal request
Different system adjacent cell;If not receiving the tracking area update refusal request, redirected according to redirection information.
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC connections
The information of the frequency point of the different system of 2G systems is carried in release message;Alternatively, carrying 2G frequencies in the RRC connection release message
The information of the frequency point of the information of point and the different system of 2G systems, and the priority of the 2G frequency points is less than the frequency of the different system
The priority of point;The information of 2G frequency points is carried in the RRC connection release message;Alternatively, in the RRC connection release message
The information of the frequency point of the different system of the middle information for carrying 2G frequency points and 2G systems, and the priority of the 2G frequency points is higher than described
The priority of the frequency point of different system.
Wherein, the different system of the 2G systems includes:3G systems and/or 4G systems.
The above-mentioned technical proposal of the present invention has the beneficial effect that:
In embodiments of the present invention, if receiving tracing area in the scheduled time before RRC connection release message
With newly breaking off relations request, then forbidding executing redirection process, so as to prevent to be redirected to after user is inhaled into 4G pseudo-base stations
2G pseudo-base stations ensure that the communication of user is unimpeded, improve the experience of user.
Description of the drawings
Fig. 1 is the flow chart of the orientation method of the embodiment of the present invention one;
Fig. 2 is the flow chart of the orientation method of the embodiment of the present invention two;
Fig. 3 is the flow chart of the orientation method of the embodiment of the present invention three;
Fig. 4 is the schematic diagram of the orienting device of the embodiment of the present invention four;
Fig. 5 is the schematic diagram of the orienting device of the embodiment of the present invention five;
Fig. 6 is the schematic diagram of the orienting device of the embodiment of the present invention six.
Specific implementation mode
Below in conjunction with drawings and examples, the specific implementation mode of the present invention is described in further detail.Following reality
Example is applied for illustrating the present invention, but is not limited to the scope of the present invention.
In practical applications, pseudo-base station sucks user by high-power signal:1) operator GSM is arranged in 2G pseudo-base stations
(Global System for Mobile Communication, global system for mobile communications) frequency point, and emit high power letter
Number.When user enters in pseudo-base station coverage area, by 4G networks RRC (Radio Resource Control, radio resource control
System) release is redirected to the users of 2G networks and is easy to be inhaled into 2G pseudo-base stations;2) 4G pseudo-base stations and the cooperation crime of 2G pseudo-base stations:
High-power 4G pseudo-base stations suck user, and trigger its initiation TAU (Tracking Area Update, tracking area update) and ask
It asks;4G pseudo-base stations refuse TAU, and it is height to carry GSM frequency points by RRC Connection Release (RRC connection release requests)
Priority redirects the user to 2G;High-power 2G pseudo-base stations suck user.
LTE (Long Term Evolution, long term evolution) network coverage area is divided into multiple tracking areas
(Tracking Area, TA), to facilitate the position for confirming user.One TA may include one or more cells, when network operation
It uses TAI (Tracking Area Identity) as the mark of TA, includes 1~16 TAI in a TA List.UE(User
Equipment, user equipment) it when the movement of generation position, is updated without executing TA List in TA List;When UE is moved to newly
TA List after, UE need to MME (Mobility Management Entity, mobility management entity) initiate tracking area more
Newly (Tracking Area Update, TAU).
After MME initiates TAU refusals, carries out NAS (Non-access stratum, Non-Access Stratum) and RRC signaling is released
It puts;Or initiate to trigger user again after TAU Reject and re-initiate attachment flow, discharged again after attachment refusal NAS and
RRC signaling.All lack guarantor during above-mentioned two, is unable to ensure the reliability of present access subzone.It is taken when RRC discharges
Band redirection information, the Target cell of redirection may be maliciously tampered, and user is by malicious attack.
To avoid being redirected to 2G pseudo-base stations, in the embodiment of the present invention one, it is desirable that base station is in TAU Reject (tracing areas
Update refusal request) after RRC Connection Release (RRC connection release message) in, do not carry for redirecting
2G frequency point information;Alternatively, not carrying the information for redirection;Alternatively, carrying 2G in the RRC connection release message
The information of frequency point and the information of 4G frequency points, and the priority of the 2G frequency points is less than the priority of the 4G frequency points.
Embodiment one
As shown in Figure 1, the reorientation method of the embodiment of the present invention one, is applied to base station, including:
Step 101 carries out random access procedure with terminal.
In practical applications, each base station sends system broadcast message to terminal.Terminal is disappeared based on the system broadcasts received
Breath is detected the signal strength of each base station, and the preferable base station of selection signal intensity carries out random access, carries out cell weight
Choosing.
Step 102 carries out RRC connection procedures with the terminal.
Specifically, terminal sends RRC connection request to base station;After base station receives the request, sends RRC connections to terminal and set
Request is set, is arranged accordingly by terminal.After the completion, terminal sends RRC connections to base station and is provided with message.
Step 103 receives the tracking area update request that the terminal is sent.
When terminal finds that the TAC (Tracking Area Code, tracking area identification code) of cell to be accessed changes
Afterwards, tracking area update request is sent to base station.
Step 104 sends tracking area update refusal request to the terminal.
Step 105 sends radio resource control RRC connection release message to the terminal.
In embodiments of the present invention, it does not carry the information for redirection in RRC connection release message, can not take yet
Information with any frequency point, the frequency point redirected by terminal oneself selection.
Alternatively, carrying the information of the frequency point of the different system of 2G systems in the RRC connection release message.Wherein, described
The different system of 2G systems includes but not limited to be:3G systems, 4G systems etc..For example, carrying one in RRC connection release message
Frequency point list includes the information of 4G frequency points, the information of 3G points, the information etc. of 5G frequency points.
Alternatively, the information of the information of 2G frequency points and the different system of 2G systems is carried in the RRC connection release message,
And the priority of the 2G frequency points is less than the priority of the frequency point of the different system of the 2G systems.
For example, carrying a frequency point list in RRC connection release message, include the information of 4G frequency points, the letter of 2G frequency points
Breath, the wherein priority of 4G frequency points are higher than the priority of 2G frequency points.In another example carrying a frequency in RRC connection release message
Point list includes the information of 4G frequency points, and the information of 2G frequency points, the information of 3G frequency points, the wherein priority of 4G frequency points are higher than 2G frequencies
The priority of point, and the priority of 3G frequency points can be higher than the priority of 2G frequency points, may be lower than the priority of 2G frequency points.It is preferred that
, the priority of 3G frequency points is less than the priority of 4G frequency points.
The information of the frequency point of the different system of 2G systems is carried in the RRC connection release message sent due to base station, or is taken
The priority of the 2G frequency points of band is less than the priority of the frequency point of different system, and therefore, terminal can not navigate to 2G pseudo-base stations, to protect
The communication for having demonstrate,proved user is unimpeded, improves the experience of user.
Embodiment two
As shown in Fig. 2, the reorientation method of the embodiment of the present invention two, is applied to terminal, including:
Step 201 carries out random access procedure with base station.
In practical applications, each base station sends system broadcast message to terminal.Terminal is disappeared based on the system broadcasts received
Breath is detected the signal strength of each base station, and the preferable base station of selection signal intensity carries out random access, carries out cell weight
Choosing.
Step 202 carries out RRC connection procedures with the base station.
Specifically, terminal sends RRC connection request to base station;After base station receives the request, sends RRC connections to terminal and set
Request is set, is arranged accordingly by terminal.After the completion, terminal sends RRC connections to base station and is provided with message.
Step 203 sends tracking area update request to the base station.
After terminal finds that the TAC of cell to be accessed changes, tracking area update request is sent to base station.
Step 204 receives the tracking area update refusal request that the base station is sent.
Step 205 receives the RRC connection release message that the base station is sent.
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC connections
The information of the frequency point of the different system of 2G systems is carried in release message;Alternatively, carrying 2G frequencies in the RRC connection release message
The information of the frequency point of the information of point and the different system of 2G systems, and the priority of the 2G frequency points is less than the frequency of the different system
The priority of point.Wherein, the different system of the 2G systems includes but not limited to for 3G systems, 4G systems.
Step 206 is redirected according to the RRC connection release message.
Here, terminal is redirected to other cells according to the information in the RRC connection release message.Alternatively, terminal according to
RRC connection release message selects frequency point to be accessed, is redirected to other cells.
The information of the frequency point of the different system of 2G systems is carried in the RRC connection release message sent due to base station, or is taken
The priority of the 2G frequency points of band is less than the priority of the frequency point of different system, and therefore, terminal can not navigate to 2G pseudo-base stations, to protect
The communication for having demonstrate,proved user is unimpeded, improves the experience of user.
Embodiment three
As shown in figure 3, the reorientation method of the embodiment of the present invention three, is applied to terminal, including:
Step 301 receives the RRC connection release message that base station is sent.
Step 302, determine within the predetermined time before receiving the RRC connection release message, if received with
The refusal request of track area update.
Wherein, which can be 3ms etc..
If step 303 received the tracking area update refusal request, the different system of current service cell is accessed again
System adjacent area;If not receiving the tracking area update refusal request, redirected according to redirection information.
If for example, receiving the tracking area update refusal request, the redirection of 2G systems is not gone to, and again
Access the adjacent areas 4G etc. of current service cell.
In practical applications, to be further ensured that the safety of user, use is not carried in the RRC connection release message
In the information of redirection;Alternatively, carrying the information of the frequency point of the different system of 2G systems in the RRC connection release message;Or
Person carries the information of the frequency point of the information of 2G frequency points and the different system of 2G systems, and institute in the RRC connection release message
State the priority of the priority of 2G frequency points less than the frequency point of the different system.
In practical applications, the information of 2G frequency points is carried in the RRC connection release message;Alternatively, connecting in the RRC
The information for the frequency point that the information of 2G frequency points and the different system of 2G systems are carried in release message is connect, and the 2G frequency points is preferential
Priority of the grade higher than the frequency point of the different system.In this regard, working as the information that 2G frequency points in RRC connection release message are high priority
When, terminal can still be asked according to tracking area update refusal whether was received in the predetermined time before RRC connection release message
It asks, is handled accordingly.
Wherein, the different system of the 2G systems includes:3G systems and/or 4G systems.
In embodiments of the present invention, if receiving tracing area in the scheduled time before RRC connection release message
With newly breaking off relations request, then forbidding executing redirection process, so as to prevent to be redirected to after user is inhaled into 4G pseudo-base stations
2G pseudo-base stations ensure that the communication of user is unimpeded, improve the experience of user.
Example IV
As shown in figure 4, the redirection device of the embodiment of the present invention four, including:
Random access module 401, for carrying out random access procedure with terminal;Link block 402 is used for and the terminal
Carry out radio resource control RRC connection procedure;Receiving module 403 is asked for receiving the tracking area update that the terminal is sent
It asks;First sending module 404, for sending tracking area update refusal request to the terminal;Second sending module 405 is used
In to the terminal send radio resource control RRC connection release message;Wherein, it is not taken in the RRC connection release message
Information of the band for redirection;Alternatively, carrying the letter of the frequency point of the different system of 2G systems in the RRC connection release message
Breath;Alternatively, carrying the letter of the frequency point of the information of 2G frequency points and the different system of 2G systems in the RRC connection release message
Breath, and the priority of the 2G frequency points is less than the priority of the frequency point of the different system.The different system of the 2G systems includes:3G
System and/or 4G systems.
The operation principle of device of the present invention can refer to the description of preceding method embodiment.
The information of the frequency point of the different system of 2G systems is carried in the RRC connection release message sent due to base station, or is taken
The priority of the 2G frequency points of band is less than the priority of different system frequency point, and therefore, terminal can not navigate to 2G pseudo-base stations, to ensure
The communication of user is unimpeded, improves the experience of user.
Embodiment five
As shown in figure 5, the redirection device of the embodiment of the present invention five, including:
Random access module 501, for carrying out random access procedure with base station;Link block 502 is used for and the base station
Carry out RRC connection procedures;Sending module 503, for sending tracking area update request to the base station;First receiving module
504, refuse request for receiving the tracking area update that the base station is sent;Second receiving module 505, for receiving the base
Stand send RRC connection release message;Redirection module 506, for being redirected according to the RRC connection release message.
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC connection release message
The information of the frequency point of the middle different system for carrying 2G systems;Alternatively, carrying the information of 2G frequency points in the RRC connection release message
And the information of the frequency point of the different system of 2G systems, and the priority of the 2G frequency points is preferential less than the frequency point of the different system
Grade.
Wherein, the different system of the 2G systems includes:3G systems and/or 4G systems.
The operation principle of device of the present invention can refer to the description of preceding method embodiment.
The information of the frequency point of the different system of 2G systems is carried in the RRC connection release message sent due to base station, or is taken
The priority of the 2G frequency points of band is less than the priority of different system frequency point, and therefore, terminal can not navigate to 2G pseudo-base stations, to ensure
The communication of user is unimpeded, improves the experience of user.
Embodiment six
As shown in fig. 6, the redirection device of the embodiment of the present invention six, including:
Receiving module 601, the RRC connection release message for receiving base station transmission;Judgment module 602, for determining
It receives in the predetermined time before the RRC connection release message, if received tracking area update refusal request;Processing
Module 603, if for receiving the tracking area update refusal request, the different system for accessing current service cell again is adjacent
Area;If not receiving the tracking area update refusal request, redirected according to redirection information.
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC connections
The information of the frequency point of the different system of 2G systems is carried in release message;Alternatively, carrying 2G frequencies in the RRC connection release message
The information of the frequency point of the information of point and the different system of 2G systems, and the priority of the 2G frequency points is less than the frequency of the different system
The priority of point;The information of 2G frequency points is carried in the RRC connection release message;Alternatively, in the RRC connection release message
The information of the frequency point of the different system of the middle information for carrying 2G frequency points and 2G systems, and the priority of the 2G frequency points is higher than described
The priority of the frequency point of different system.
Wherein, the different system of the 2G systems includes:3G systems and/or 4G systems.
Wherein, the predetermined time can be rule of thumb arranged, such as be set as 3ms.
The operation principle of device of the present invention can refer to the description of preceding method embodiment.
By the above-mentioned means, in embodiments of the present invention, can prevent to be reset in this hair after user is inhaled into 4G pseudo-base stations
In bright embodiment, if tracing area was received in the scheduled time before RRC connection release message with newly breaking off relations request, that
Forbid executing redirection process, is inhaled into after 4G pseudo-base stations so as to preventing user and is redirected to 2G pseudo-base stations, ensure that
The communication of user is unimpeded, improves the experience of user.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be by other
Mode realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
For a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine
Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be by some interfaces, the INDIRECT COUPLING or communication of device or unit
Connection can be electrical, machinery or other forms.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that the independent physics of each unit includes, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes receiving/transmission method described in each embodiment of the present invention
Part steps.And storage medium above-mentioned includes:USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store
The medium of program code.
The above is the 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 (14)
1. a kind of reorientation method, which is characterized in that including:
Random access procedure is carried out with terminal;
Radio resource control RRC connection procedure is carried out with the terminal;
Receive the tracking area update request that the terminal is sent;
Tracking area update refusal request is sent to the terminal;
Radio resource control RRC connection release message is sent to the terminal;
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC Connection Releases
The information of the frequency point of the different system of 2G systems is carried in message;Alternatively, carrying 2G frequency points in the RRC connection release message
The information of the frequency point of the different system of information and 2G systems, and the priority of the 2G frequency points is less than the frequency point of the different system
Priority.
2. according to the method described in claim 1, it is characterized in that, the different system of the 2G systems includes:3G systems and/or 4G
System.
3. a kind of reorientation method, which is characterized in that including:
Random access procedure is carried out with base station;
RRC connection procedures are carried out with the base station;
Tracking area update request is sent to the base station;
Receive the tracking area update refusal request that the base station is sent;
Receive the RRC connection release message that the base station is sent;
It is redirected according to the RRC connection release message;
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC Connection Releases
The information of the frequency point of the different system of 2G systems is carried in message;Alternatively, carrying 2G frequency points in the RRC connection release message
The information of the frequency point of the different system of information and 2G systems, and the priority of the 2G frequency points is less than the frequency point of the different system
Priority.
4. according to the method described in claim 3, it is characterized in that, the different system of the 2G systems includes:3G systems and/or 4G
System.
5. a kind of reorientation method, which is characterized in that including:
Receive the RRC connection release message that base station is sent;
It determines within the predetermined time before receiving the RRC connection release message, if received tracking area update and refuse
Request absolutely;
If receiving the tracking area update refusal request, the different system adjacent cell of current service cell is accessed again;If not
The tracking area update refusal request was received, then was redirected according to redirection information.
6. according to the method described in claim 5, it is characterized in that, not carried in the RRC connection release message for weight
The information of orientation;Alternatively, carrying the information of the frequency point of the different system of 2G systems in the RRC connection release message;Alternatively,
The information of the frequency point of the information of 2G frequency points and the different system of 2G systems, and the 2G are carried in the RRC connection release message
Priority of the priority of frequency point less than the frequency point of the different system;2G frequency points are carried in the RRC connection release message
Information;Alternatively, carrying the letter of the frequency point of the information of 2G frequency points and the different system of 2G systems in the RRC connection release message
Breath, and the priority of the 2G frequency points is higher than the priority of the frequency point of the different system.
7. according to the method described in claim 6, it is characterized in that, the different system of the 2G systems includes:3G systems and/or 4G
System.
8. a kind of redirection device, which is characterized in that including:
Random access module, for carrying out random access procedure with terminal;
Link block, for carrying out radio resource control RRC connection procedure with the terminal;
Receiving module, the tracking area update request sent for receiving the terminal;
First sending module, for sending tracking area update refusal request to the terminal;
Second sending module, for sending radio resource control RRC connection release message to the terminal;
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC Connection Releases
The information of the frequency point of the different system of 2G systems is carried in message;Alternatively, carrying 2G frequency points in the RRC connection release message
The information of the frequency point of the different system of information and 2G systems, and the priority of the 2G frequency points is less than the frequency point of the different system
Priority.
9. device according to claim 8, which is characterized in that the different system of the 2G systems includes:3G systems and/or 4G
System.
10. a kind of redirection device, which is characterized in that including:
Random access module, for carrying out random access procedure with base station;
Link block, for carrying out RRC connection procedures with the base station;
Sending module, for sending tracking area update request to the base station;
First receiving module refuses request for receiving the tracking area update that the base station is sent;
Second receiving module, the RRC connection release message sent for receiving the base station;
Redirection module, for being redirected according to the RRC connection release message;
Wherein, the information for redirection is not carried in the RRC connection release message;Alternatively, in the RRC Connection Releases
The information of the frequency point of the different system of 2G systems is carried in message;Alternatively, carrying 2G frequency points in the RRC connection release message
The information of the frequency point of the different system of information and 2G systems, and the priority of the 2G frequency points is less than the frequency point of the different system
Priority.
11. device according to claim 10, which is characterized in that the different system of the 2G systems includes:3G systems and/or
4G systems.
12. a kind of redirection device, which is characterized in that including:
Receiving module, the RRC connection release message for receiving base station transmission;
Judgment module, for determine within the predetermined time before receiving the RRC connection release message, if received with
The refusal request of track area update;
If processing module accessed the different of current service cell again for receiving the tracking area update refusal request
System adjacent cell;If not receiving the tracking area update refusal request, redirected according to redirection information.
13. device according to claim 12, which is characterized in that do not carry and be used in the RRC connection release message
The information of redirection;Alternatively, carrying the information of the frequency point of the different system of 2G systems in the RRC connection release message;Alternatively,
The information of the frequency point of the information of 2G frequency points and the different system of 2G systems is carried in the RRC connection release message, and described
Priority of the priority of 2G frequency points less than the frequency point of the different system;2G frequency points are carried in the RRC connection release message
Information;Alternatively, the frequency point of the information of 2G frequency points and the different system of 2G systems is carried in the RRC connection release message
Information, and the priority of the 2G frequency points is higher than the priority of the frequency point of the different system.
14. device according to claim 13, which is characterized in that the different system of the 2G systems includes:3G systems and/or
4G systems.
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| CN201710127813.0A CN108696872B (en) | 2017-03-06 | 2017-03-06 | Redirection method and device |
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| CN201710127813.0A CN108696872B (en) | 2017-03-06 | 2017-03-06 | Redirection method and device |
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