CN103702376A - Method and system for redirecting UE (user equipment) to high speed network, and UE - Google Patents
Method and system for redirecting UE (user equipment) to high speed network, and UE Download PDFInfo
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Abstract
The invention discloses a method for redirecting UE (user equipment) to a high speed network. The method comprises the followings: the UE in a business connection state of a low speed network determines a self region covered with the low speed network and the high speed network together, and the low speed network can not meet the requirements of the UE to data volume, so that an RRC connection release (radio resource control connection release) message is sent to the low speed network, after returning to an ideal state, the UE is connected with the high speed network. The invention further correspondingly discloses a system for redirecting the UE to the high speed network, and the UE. According to the invention, the UE passively initiates redirection, so that the low speed network is not required to support connecting state measurement, and the application scope is larger; the UE quickly redirects to the high speed network by using the network's reselection priority to an idle state, so that the success rate is high; moreover, the UE determines whether to initiate redirection through combination to requirements of user service to speed, thereby being beneficial to load balancing of the high speed network and the low speed network.
Description
Technical field
The present invention relates to the redirecting technique in mobile communication, relate in particular to method, system and subscriber equipment (UE) that a kind of UE is redirected to express network.
Background technology
The continuous evolution of mobile communication technology has not only improved the message capacity of wireless system, also for user has brought the happy business experience of high speed.Meanwhile, but for global operator, brought a difficult problem: because described UE is for data traffic volatile growth in recent years, operator's upgrade of network of having to meets the demand of described UE, so global operation commercial city is faced with the problem that need to run a plurality of networks such as 2G, 3G, 4G simultaneously.In order to guarantee that described UE can realize seamless switching between a plurality of networks, operator need to it, 2G and the 3G network of commercialization carry out upgrading, especially consider in the situation that just the 4G network of commercialization had also covered in point-like over the past two years, for the upgrading of existing network, not only input cost is huge, and easily cause network failure, thereby affect described UE, experience.So operator tends to support the Idle state gravity treatment between heterogeneous networks.
In order to guarantee that described UE can be attached to suitable networks continuation business enter express network overlay area when slow network is carried out business after, existing RRC redirecting technique scheme is as follows: for the UE under slow network connected state, when UE signal quality drops to a certain degree, network side sends radio resource control Connection Release (RRCConnectionRelease) message to UE, and the redirectedCarrierInfo wherein comprising has indicated redirected express network and frequency.UE receives the communication that stops at existing slow network after this message, turns to redirected frequency to carry out synchronously, if synchronous unsuccessful, open the suitable Xin of cell initial search process choosing community and adheres to.
Technique scheme has following shortcoming:
1) frequency of the express network comprising in RRCConnectionRelease message can be obtained by connected state measurement result by slow network, can be also default frequency.When drawing by connected state measurement result, need slow network to be upgraded to Supporting connectivity state and measure, slow network is had relatively high expectations, thereby range of application is less; When drawing by default frequency, the success rate that is redirected to express network reduces, and connects the average delay disconnecting and increases.
2) no matter described UE whether carrying out business, as long as described UE under connected state and signal quality drop to a certain degree, just UE is redirected to express network, easily cause express network load too high, the slow network utilization of resources is insufficient.
Summary of the invention
In view of this, the method, system and the UE that provide a kind of UE to be redirected to express network are provided main purpose of the present invention, and range of application is larger, and the success rate that is redirected to express network is higher, and are conducive to express network and slow network load balancing.
For achieving the above object, technical scheme of the present invention is achieved in that
UE is redirected to a method for express network, comprising:
The UE of the service connection state in slow network judges self whether common area of coverage in described slow network and express network;
Described UE judges self common area of coverage in described slow network and express network, further judges whether described slow network can meet the demand of described UE to data volume;
Described UE judges that described slow network can not meet the demand of described UE to data volume, to described slow network, sends radio resource control Connection Release RRCConnectionRelease message, gets back to Idle state, afterwards, and described UE access express network.
Described UE judge self whether the common area of coverage in described slow network and express network be:
Detect in the system message of community, described UE place whether have express network neighbor cell configuration information, express network neighbor cell configuration information detected, judge self common area of coverage in described slow network and express network.
Described UE judges whether described slow network can meet described UE and to the demand of data volume be:
According to following, one or morely judge whether described slow network can meet the demand of described UE to data volume: the described UE peak rate that now quality of wireless channel under described slow network of the type, the buffer data size of protocol stack logic channel channel resource to be allocated, described UE of ongoing all business, the transfer resource that described slow network is distributed for described UE, described slow network can provide for described UE.
Described UE judges whether described slow network can meet described UE the demand of data volume is specially:
According to described UE now the type of ongoing all business determine that described UE can normally carry out the minimum-rate of existing business, judge whether described minimum-rate is greater than the peak rate that described slow network can provide for described UE, described minimum-rate is greater than the peak rate that described slow network can provide for described UE, judges that described slow network can not meet the demand of described UE to data volume; Described minimum-rate is not more than the peak rate that described slow network can provide for described UE, buffer data size and the described slow network of calculating the protocol stack logic channel channel resource to be allocated of each default sub-time period in Preset Time section are the ratio of the transfer resource of described UE distribution, described ratio increases gradually in described Preset Time section, judges that described slow network can not meet the demand of described UE to data volume.
After the common area of coverage of described UE judgement self in described slow network and express network, the method also comprises:
Described UE judges the ability that self whether possesses express network corresponding to the described express network neighbor cell configuration information of access, described UE judges the ability that self possesses express network corresponding to the described express network neighbor cell configuration information of access, further judge whether described slow network can meet the demand of described UE to data volume again
Described UE access express network is: according to described express network neighbor cell configuration Information Selection, access corresponding express network.
A UE, comprising: the first judge module, the second judge module, sending module and control module; Wherein,
Described the first judge module, at described UE during the service connection state in slow network, judges the whether common area of coverage in described slow network and express network of described UE;
Described the second judge module, when judging the common area of coverage of described UE in described slow network and express network at described the first judge module, further judges whether described slow network can meet the demand of described UE to data volume;
Described sending module, when judging that at described the second judge module described slow network can not meet described UE to the demand of data volume, sends RRCConnectionRelease message to described slow network;
Described control module, for after described sending module sends RRCConnectionRelease message, controls described UE and gets back to Idle state, and controls described UE access express network.
Described the first judge module, specifically for detecting in the system message of community, described UE place whether have express network neighbor cell configuration information, detects express network neighbor cell configuration information, judges self common area of coverage in described slow network and express network.
Described the second judge module, specifically for one or morely judging whether described slow network can meet the demand of described UE to data volume according to following: the described UE peak rate that now quality of wireless channel under described slow network of the type, the buffer data size of protocol stack logic channel channel resource to be allocated, described UE of ongoing all business, the transfer resource that described slow network is distributed for described UE, described slow network can provide for described UE.
Described the second judge module, specifically for according to described UE now the type of ongoing all business determine that described UE can normally carry out the minimum-rate of existing business, judge whether described minimum-rate is greater than the peak rate that described slow network can provide for described UE, described minimum-rate is greater than the peak rate that described slow network can provide for described UE, judges that described slow network can not meet the demand of described UE to data volume; Described minimum-rate is not more than the peak rate that described slow network can provide for described UE, buffer data size and the described slow network of calculating the protocol stack logic channel channel resource to be allocated of each default sub-time period in Preset Time section are the ratio of the transfer resource of described UE distribution, described ratio increases gradually in described Preset Time section, judges that described slow network can not meet the demand of described UE to data volume.
This UE also comprises the 3rd judge module,
Described the 3rd judge module, when judging the common area of coverage of described UE in described slow network and express network at described the first judge module, judges whether described UE possesses the ability of express network corresponding to the described express network neighbor cell configuration information of access;
Described the second judge module, when judging that at described the 3rd judge module described UE possesses the ability of express network corresponding to the described express network neighbor cell configuration information of access, further judge whether described slow network can meet the demand of described UE to data volume;
Described control module, accesses corresponding express network specifically for controlling described UE according to described express network neighbor cell configuration information.
UE is redirected to a system for express network, comprises UE, slow network and express network; Wherein,
Described UE is above-mentioned UE;
Described slow network, for after receiving the RRCConnectionRelease message of UE, discharges corresponding radio resource control and connects;
Described express network, for carrying out access control to UE.
A kind of UE of the present invention is redirected to the method for express network, system and UE, the UE of the service connection state in slow network judges self whether common area of coverage in described slow network and express network, if the common area of coverage in described slow network and express network, further judge whether described slow network can meet the demand of described UE to data volume, when described slow network can not meet described UE to the demand of data volume, to described slow network, send RRCConnectionRelease message, described UE gets back to Idle state, described UE accesses express network afterwards.The present invention is initiatively initiated to be redirected by UE, so not Supporting connectivity state measurement of slow network, thereby range of application is larger; And UE utilizes network to be redirected to fast express network for the support of Idle state gravity treatment priority, so success rate is higher; Also have, UE determines whether initiate to be redirected in conjunction with customer service to the demand of speed, is therefore conducive to express network and slow network load balancing.
Accompanying drawing explanation
Fig. 1 is the method flow schematic diagram that a kind of UE of the embodiment of the present invention is redirected to express network;
Fig. 2 is that in the embodiment of the present invention, UE judges whether slow network can meet the schematic flow sheet of described UE to the demand of data volume;
Fig. 3 is the method flow schematic diagram that a kind of UE of another embodiment of the present invention is redirected to express network;
Fig. 4 is the structural representation of a kind of UE of the embodiment of the present invention;
Fig. 5 is the structural representation of a kind of UE of another embodiment of the present invention.
Embodiment
Basic thought of the present invention is: the UE of the service connection state in slow network judges self common area of coverage in described slow network and express network, and when described slow network can not meet described UE to the demand of data volume, to described slow network, send RRCConnectionRelease message, and getting back to Idle state, described UE accesses express network afterwards.
Fig. 1 is the method flow schematic diagram that a kind of UE of the embodiment of the present invention is redirected to express network, and as shown in Figure 1, the method comprises:
Step 101: the UE of the service connection state in slow network judges self whether common area of coverage in described slow network and express network, judges self common area of coverage in described slow network and express network, performs step 102; Otherwise flow process finishes.
Step 102: described UE judges whether described slow network can meet the demand of described UE to data volume; Judge that described slow network can not meet the demand of described UE to data volume, performs step 103: otherwise flow process finishes, and UE continues to be attached to slow network.
Here, judge whether described slow network can meet the demand of described UE to data volume, judge that whether described UE matches with the transfer resource that slow network provides for it for the demand of data.
Step 103: described UE initiatively sends RRCConnectionRelease message to described slow network.
Step 104: described UE breaks and eats dishes without rice or wine to connect, and gets back to Idle state.
Step 105: described UE access express network.
Here, UE gets back to after Idle state, will initiate reselection operation, utilizes network to access fast express network to the support of Idle state gravity treatment priority.
Optionally, in step 101, UE judges according to the system message of its community, place receiving, concrete, described UE judge self whether the common area of coverage in described slow network and express network be:
Detect in the system message of community, described UE place whether have express network neighbor cell configuration information, express network neighbor cell configuration information detected, judge self common area of coverage in described slow network and express network.
Optionally, in step 102, described UE judges whether described slow network can meet described UE and to the demand of data volume be:
According to following, one or morely judge whether described slow network can meet the demand of described UE to data volume: the described UE peak rate that now quality of wireless channel under described slow network of the type, the buffer data size of protocol stack logic channel channel resource to be allocated, described UE of ongoing all business, the transfer resource that described slow network is distributed for described UE, described slow network can provide for described UE.
Optionally, as shown in Figure 2, in step 102, described UE judges whether described slow network can meet described UE the demand of data volume is specially:
Step 1021: according to described UE now the type of ongoing all business determine that described UE can normally carry out the minimum-rate of existing business.
Here, service traffics model corresponding to various types of traffic that concrete basis prestores calculates described UE and can normally carry out the minimum-rate of existing business.
Step 1022: judge whether described minimum-rate is greater than the peak rate that described slow network can provide for described UE, if, be that described minimum-rate is greater than the peak rate that described slow network can provide for described UE, judge that described slow network can not meet the demand of described UE to data volume; Otherwise described minimum-rate is not more than the peak rate that described slow network can provide for described UE, performs step 1023.
Step 1023: buffer data size and the described slow network of calculating the protocol stack logic channel channel resource to be allocated of each default sub-time period in Preset Time section are the ratio of the transfer resource of described UE distribution.
Step 1024: judge whether described ratio increases gradually in described Preset Time section, and described ratio increases gradually in described Preset Time section, judges that described slow network can not meet the demand of described UE to data volume; Otherwise flow process finishes, UE continues to be attached in slow network.
Fig. 3 is the method flow schematic diagram that a kind of UE of another embodiment of the present invention is redirected to express network, and as shown in Figure 3, after the common area of coverage of described UE judgement self in described slow network and express network, before execution step 102, the method also comprises:
Step 102 ': described UE judges the ability that self whether possesses express network corresponding to the described express network neighbor cell configuration information of access, judges the ability that self possesses express network corresponding to the described express network neighbor cell configuration information of access, performs step 102; Otherwise flow process finishes.
Accordingly, described in step 105, UE access express network is: according to described express network neighbor cell configuration Information Selection, access corresponding express network.
The present invention also correspondingly discloses a kind of UE, and as shown in Figure 4, this UE comprises: the first judge module, the second judge module, sending module and control module; Wherein,
Described the first judge module, at described UE during the service connection state in slow network, judges the whether common area of coverage in described slow network and express network of described UE;
Described the second judge module, when judging the common area of coverage of described UE in described slow network and express network at described the first judge module, further judges whether described slow network can meet the demand of described UE to data volume;
Described sending module, when judging that at described the second judge module described slow network can not meet described UE to the demand of data volume, initiatively sends RRCConnectionRelease message to described slow network;
Described control module, for after described sending module sends RRCConnectionRelease message, controls described UE and gets back to Idle state, and controls described UE access express network.
Optionally, described the first judge module, specifically for detecting in the system message of community, described UE place whether have express network neighbor cell configuration information, express network neighbor cell configuration information detected, judge self common area of coverage in described slow network and express network.
It should be noted that, the first judge module can detect the system message of slow network with some cycles under slow network connected state.
Optionally, described the second judge module, specifically for one or morely judging whether described slow network can meet the demand of described UE to data volume according to following: the described UE peak rate that now quality of wireless channel under described slow network of the type, the buffer data size of protocol stack logic channel channel resource to be allocated, described UE of ongoing all business, the transfer resource that described slow network is distributed for described UE, described slow network can provide for described UE.
Optionally, described the second judge module, specifically for according to described UE now the type of ongoing all business determine that described UE can normally carry out the minimum-rate of existing business, judge whether described minimum-rate is greater than the peak rate that described slow network can provide for described UE, described minimum-rate is greater than the peak rate that described slow network can provide for described UE, judges that described slow network can not meet the demand of described UE to data volume; Described minimum-rate is not more than the peak rate that described slow network can provide for described UE, buffer data size and the described slow network of calculating the protocol stack logic channel channel resource to be allocated of each default sub-time period in Preset Time section are the ratio of the transfer resource of described UE distribution, described ratio increases gradually in described Preset Time section, judges that described slow network can not meet the demand of described UE to data volume.
Fig. 5 is the structural representation of a kind of UE of another embodiment of the present invention, and as shown in Figure 5, this UE also comprises the 3rd judge module,
Described the 3rd judge module, when judging the common area of coverage of described UE in described slow network and express network at described the first judge module, judges whether described UE possesses the ability of express network corresponding to the described express network neighbor cell configuration information of access;
Described the second judge module, when judging that at described the 3rd judge module described UE possesses the ability of express network corresponding to the described express network neighbor cell configuration information of access, further judge whether described slow network can meet the demand of described UE to data volume;
Described control module, accesses corresponding express network specifically for controlling described UE according to described express network neighbor cell configuration information.
In the present embodiment, if the first judge module detects current area and has configured express network neighbor cell configuration information, the express network neighbor cell configuration information detecting is sent to the 3rd judge module, after the 3rd judge module receives express network neighbor cell configuration information, obtain the network formats of the express network corresponding with this express network neighbor cell configuration information, the information such as frequency, afterwards, from this locality, obtain UE ability information, comprising terminal capability and/or CAMEL-Subscription-Information, for example, the terminal capability obtaining is network formats and the frequency range that UE can access, the CAMEL-Subscription-Information obtaining is the preferred network standard information of UE etc., the 3rd judge module possesses after the ability of this express network of access according to above-mentioned validation of information UE, notify the second judge module, the second judge module reads described UE and now carries out the type of all business, the buffer data size of protocol stack logic channel channel resource to be allocated, the quality of wireless channel of UE under slow network, slow network is the peak rate that transfer resource that UE distributes and slow network can provide for described UE, and carry out slow network and whether can meet the judgement of described UE to data volume demand.
The embodiment of the present invention also correspondingly discloses the system that a kind of UE is redirected to express network, and this system comprises UE, slow network and express network; Wherein,
Described UE is for forming structure and the UE of practical function as described in Fig. 4, Fig. 5;
Described slow network, for after receiving the RRCConnectionRelease message of UE, discharges corresponding radio resource control and connects;
Described express network, for carrying out access control to UE.
By the present invention, UE can initiatively initiate RRCConnectionRelease message, and utilizes network to get back to fast express network for the support of Idle state gravity treatment priority, and does not rely on the support that network is measured for connected state, thereby range of application is larger; And UE utilizes network to be redirected to fast express network for the support of Idle state gravity treatment priority, so success rate is higher; Also have, according to described UE, whether the demand of service rate and slow network are mated and determined whether that the determination methods that is attached to express network can effectively alleviate the mistake heavy duty that prior art may be brought to express network, reasonably utilize the Radio Resource of slow network, reached the object of network cooperating, load balancing.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (11)
1. UE is redirected to a method for express network, it is characterized in that, the method comprises:
The UE of the service connection state in slow network judges self whether common area of coverage in described slow network and express network;
Described UE judges self common area of coverage in described slow network and express network, further judges whether described slow network can meet the demand of described UE to data volume;
Described UE judges that described slow network can not meet the demand of described UE to data volume, to described slow network, sends radio resource control Connection Release RRCConnectionRelease message, gets back to Idle state, afterwards, and described UE access express network.
2. method according to claim 1, is characterized in that, described UE judge self whether the common area of coverage in described slow network and express network be:
Detect in the system message of community, described UE place whether have express network neighbor cell configuration information, express network neighbor cell configuration information detected, judge self common area of coverage in described slow network and express network.
3. method according to claim 1, is characterized in that, described UE judges whether described slow network can meet described UE and to the demand of data volume be:
According to following, one or morely judge whether described slow network can meet the demand of described UE to data volume: the described UE peak rate that now quality of wireless channel under described slow network of the type, the buffer data size of protocol stack logic channel channel resource to be allocated, described UE of ongoing all business, the transfer resource that described slow network is distributed for described UE, described slow network can provide for described UE.
4. method according to claim 3, is characterized in that, described UE judges whether described slow network can meet described UE the demand of data volume is specially:
According to described UE now the type of ongoing all business determine that described UE can normally carry out the minimum-rate of existing business, judge whether described minimum-rate is greater than the peak rate that described slow network can provide for described UE, described minimum-rate is greater than the peak rate that described slow network can provide for described UE, judges that described slow network can not meet the demand of described UE to data volume; Described minimum-rate is not more than the peak rate that described slow network can provide for described UE, buffer data size and the described slow network of calculating the protocol stack logic channel channel resource to be allocated of each default sub-time period in Preset Time section are the ratio of the transfer resource of described UE distribution, described ratio increases gradually in described Preset Time section, judges that described slow network can not meet the demand of described UE to data volume.
5. according to the method described in claim 2 to 4 any one, it is characterized in that, after the common area of coverage of described UE judgement self in described slow network and express network, the method also comprises:
Described UE judges the ability that self whether possesses express network corresponding to the described express network neighbor cell configuration information of access, described UE judges the ability that self possesses express network corresponding to the described express network neighbor cell configuration information of access, further judge whether described slow network can meet the demand of described UE to data volume again
Described UE access express network is: according to described express network neighbor cell configuration Information Selection, access corresponding express network.
6. a UE, is characterized in that, this UE comprises: the first judge module, the second judge module, sending module and control module; Wherein,
Described the first judge module, at described UE during the service connection state in slow network, judges the whether common area of coverage in described slow network and express network of described UE;
Described the second judge module, when judging the common area of coverage of described UE in described slow network and express network at described the first judge module, further judges whether described slow network can meet the demand of described UE to data volume;
Described sending module, when judging that at described the second judge module described slow network can not meet described UE to the demand of data volume, sends RRCConnectionRelease message to described slow network;
Described control module, for after described sending module sends RRCConnectionRelease message, controls described UE and gets back to Idle state, and controls described UE access express network.
7. UE according to claim 6, is characterized in that,
Described the first judge module, specifically for detecting in the system message of community, described UE place whether have express network neighbor cell configuration information, detects express network neighbor cell configuration information, judges self common area of coverage in described slow network and express network.
8. UE according to claim 6, is characterized in that,
Described the second judge module, specifically for one or morely judging whether described slow network can meet the demand of described UE to data volume according to following: the described UE peak rate that now quality of wireless channel under described slow network of the type, the buffer data size of protocol stack logic channel channel resource to be allocated, described UE of ongoing all business, the transfer resource that described slow network is distributed for described UE, described slow network can provide for described UE.
9. UE according to claim 8, is characterized in that,
Described the second judge module, specifically for according to described UE now the type of ongoing all business determine that described UE can normally carry out the minimum-rate of existing business, judge whether described minimum-rate is greater than the peak rate that described slow network can provide for described UE, described minimum-rate is greater than the peak rate that described slow network can provide for described UE, judges that described slow network can not meet the demand of described UE to data volume; Described minimum-rate is not more than the peak rate that described slow network can provide for described UE, buffer data size and the described slow network of calculating the protocol stack logic channel channel resource to be allocated of each default sub-time period in Preset Time section are the ratio of the transfer resource of described UE distribution, described ratio increases gradually in described Preset Time section, judges that described slow network can not meet the demand of described UE to data volume.
10. according to the UE described in claim 7 to 9 any one, it is characterized in that, this UE also comprises the 3rd judge module,
Described the 3rd judge module, when judging the common area of coverage of described UE in described slow network and express network at described the first judge module, judges whether described UE possesses the ability of express network corresponding to the described express network neighbor cell configuration information of access;
Described the second judge module, when judging that at described the 3rd judge module described UE possesses the ability of express network corresponding to the described express network neighbor cell configuration information of access, further judge whether described slow network can meet the demand of described UE to data volume;
Described control module, accesses corresponding express network specifically for controlling described UE according to described express network neighbor cell configuration information.
11. 1 kinds of UE are redirected to the system of express network, it is characterized in that, this system comprises UE, slow network and express network; Wherein,
Described UE is the UE described in claim 6 to 10 any one;
Described slow network, for after receiving the RRCConnectionRelease message of UE, discharges corresponding radio resource control and connects;
Described express network, for carrying out access control to UE.
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