CN103428793A - Intersystem switching processing method, switching method and switching device - Google Patents
Intersystem switching processing method, switching method and switching device Download PDFInfo
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Abstract
The invention provides an intersystem switching processing method, a switching method and a switching device. The switching processing method comprises the steps that the base station of a first system receives request messages sent by the radio network controller (RNC) of a second system, wherein the request messages are received by the base station through a direct connection interface between the base station and the RNC, and the network type of the first system and the network type of the second network are different; after the request messages are received, the base station reserves radio resources needed by carrying out switching for the UE in the second system, and sends the response messages of the request messages to the RNC, wherein the response messages are used for triggering the RNC to execute the switching process from the second system to the first system. According to the technical scheme, the intersystem switching processing method, the switching method and the switching device solve the technical problems that the intersystem switching flow is complex and time delay is long in the relative technology, and the effects of shortening switching time delay and improving the success rate of switching are achieved.
Description
Technical field
The present invention relates to the communications field, in particular to hand-off process, changing method and the device between a kind of system.
Background technology
At present, switching between system generally all will be through the information interaction with core net, with Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, referred to as WCDMA) network is example, in this network, universal land radio access web (Universal Terrestrial Radio Access Network, referred to as UTRAN) comprise radio network controller (Radio Network Controller, referred to as RNC) and base station (NodeB) two kinds of basic network elements, be commonly called as 3G network.In Long Term Evolution (Long Time Evolution, referred to as LTE) network, evolved universal land radio access web E-UTRAN comprises evolved base station eNodeB(eNB) a kind of basic network element, be commonly called as the 4G network.
Along with the fast development of mobile communication technology, the 4G system has obtained applying all the more widely in the world.And the 3G system still has a longer life cycle, like this must there be isd a very long time, two kinds of systems exist and collaborative work simultaneously, and switching mutually between system.At present, the flow process from the 3G intersystem handover to the 4G system is as shown in Figure 1:
S101: source RNC sends Relocation Required request to core net (Core Network, referred to as CN);
S102:CN receives Relocation Required request, after processing, to target eNode B, sends Handover Request.
S103: after target eNode B is received Handover Request message, Resources allocation, reply Handover Request Acknowledge response to CN.
After S104:CN receives response, to source RNC, send Relocation Command message.
S105: after source RNC receives Relocation Command message message, to UE, send switching message Handover From UTRAN Comand.
S106:UE can attempt accessing E-UTRAN after receiving Handover FromUTRAN Comand message.
S107: after accessing successfully, UE replys Handover To E-UTRAN Complete response to target eNode B.
S108: target eNode B is successfully received the response of UE, can reply Relocation Notify message to CN.
S109: source RNC discharges the IU resource, and the reorientation flow process finishes.
By above-mentioned handling process, can be found out, the switching flow more complicated between current UMTS-LTE, time delay is larger.
For the problems referred to above in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
In correlation technique, the technical problem such as the intersystem handover flow process is more loaded down with trivial details, and time delay is larger, the invention provides hand-off process, changing method and device between a kind of system, at least to solve the problems of the technologies described above.
According to an aspect of the present invention, switching handling method between a kind of system is provided, comprise: the base station in the first system receives the request message that the radio network controller (RNC) in second system sends, wherein, this request message is received by base station by the straight-through interface between base station and RNC, and the network formats of the first system and second system is different; After receiving above-mentioned request message, to be that UE in second system is reserved switched needed Radio Resource in base station, and send the response message of described request message to RNC, wherein, described response message is carried out by described second system the switching flow to described the first system for triggering described RNC.
After RNC sends the response message of above-mentioned request message, also comprise: after receiving above-mentioned request message, RNC carries out by second system the switching flow to the first system.
RNC carries out by described second system the switching flow to the first system, and comprising: RNC sends RELOCATION REQUEST message to core net; Under the triggering of RELOCATION REQUEST message, base station and core net are carried out information interaction, and simultaneously, information interaction is carried out in UE and base station, completes the switching that is switched to the first system by second system.
Said method also comprises: when RNC sends RELOCATION REQUEST message to core net, to UE, send for triggering the switching message that UE is switched.
RNC, after core net sends RELOCATION REQUEST message, comprising: UE carries out the flow process of access the first system.
After UE accesses described the first system failure, UE sends the first release message by send access failure message informing RNC to RNC to base station, and wherein, the first release message is used to indicate base station and discharges Radio Resource.
Said method also comprises: when core net is processed unsuccessfully to RELOCATION REQUEST message, core net notice RNC sends to base station for discharging above-mentioned Radio Resource.
Said method also comprises: base station is that the UE in above-mentioned second system distributes while reserving the Radio Resource failure, and base station sends failure response to RNC; After receiving above-mentioned failure response, RNC stops carrying out above-mentioned switching flow.
State after RNC stops carrying out above-mentioned switching flow, also comprise: RNC, after arriving scheduled time threshold value, determines whether to send to base station above-mentioned request message according to predetermined policy.
Above-mentioned predetermined policy comprises: judges whether UE reaches predetermined threshold value to the intensity of the measuring-signal of RNC, when arriving above-mentioned predetermined threshold value, to base station, sends above-mentioned request message, otherwise, do not send above-mentioned request message.
Above-mentioned the first system is evolved general land wireless access system, and above-mentioned second system is general land wireless access system.
According to another aspect of the present invention, changing method between a kind of system is provided, comprise: the radio network controller in second system (RNC) sends a request message to the base station in the first system, wherein, above-mentioned request message sends to base station by the straight-through interface between base station and RNC, and the network formats of the first system and second system is different;
After receiving the response message that comes from base station, RNC carries out by second system the switching flow to the first system, wherein, and the response message that above-mentioned response message is above-mentioned request message.
Above-mentioned RNC carries out by second system the switching flow to the first system, and comprising: RNC sends RELOCATION REQUEST message to core net; Under the triggering of above-mentioned RELOCATION REQUEST message, base station and core net are carried out information interaction, and simultaneously, information interaction is carried out in UE and base station, completes the switching that is switched to the first system by second system.
Above-mentioned the first system is evolved general land wireless access system, and above-mentioned second system is general land wireless access system.
According to a further aspect of the invention, switch processing device between a kind of system is provided, be arranged in the base station of the first system, comprise: receiver module, the request message sent for the radio network controller (RNC) that receives second system, wherein, above-mentioned request message is received by base station by the straight-through interface between base station and RNC, and the network formats of the first system and second system is different; The resource reservation module, for after receiving above-mentioned request message, switched needed Radio Resource for the UE in second system is reserved; The first sending module, for send the response message of above-mentioned request message to RNC, wherein, above-mentioned response message is carried out by second system the switching flow to the first system for triggering RNC.
According to a further aspect of the invention, switching device shifter between a kind of system is provided, be arranged in the radio resource controller (RNC) of second system, comprise: the second sending module, for the base station to the first system, send a request message, wherein, above-mentioned request message sends to above-mentioned base station by the straight-through interface between above-mentioned base station and above-mentioned RNC, and the network formats of the first system and second system is different; Handover module, for after receiving the response message that comes from base station, carry out by second system the switching flow to the first system, wherein, and the response message that above-mentioned response message is above-mentioned request message.
By the present invention, employing arranges a straight-through interface between the RNC of the base station of the first system and second system, and carry out carrying out between above-mentioned base station and above-mentioned RNC the technological means of information interaction by this straight-through interface, solved in correlation technique, the intersystem handover flow process is more loaded down with trivial details, the technical problems such as time delay is larger, reached the effect that shortens handover delay and improve handover success rate.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 is for being switched to the schematic flow sheet of E-UTRAN according to the UTRAN of correlation technique;
Fig. 2 is the flow chart according to the switching handling method between the system of the embodiment of the present invention;
Fig. 3 is schematic flow sheet when UE attempts access E-UTRAN thrashing according to the preferred embodiment of the invention.
Fig. 4 is schematic flow sheet when core net is processed the re-positioning request failure according to the preferred embodiment of the invention;
Fig. 5 is that base station is that UE distributes the schematic flow sheet while reserving the Radio Resource failure according to the preferred embodiment of the invention;
Fig. 6 is the structured flowchart according to the switch processing device between the system of the embodiment of the present invention;
Fig. 7 is the flow chart according to the changing method between the system of the embodiment of the present invention;
Fig. 8 is the structured flowchart according to the switching device shifter between the system of the embodiment of the present invention;
Fig. 9 is principle configuration diagram according to the preferred embodiment of the invention;
The chain of command protocol stack schematic diagram that Figure 10 is newly-increased according to the preferred embodiment of the invention interface (straight-through interface);
Figure 11 is the schematic flow sheet according to the changing method between the system of the embodiment of the present invention 1.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
Embodiment 1
Fig. 2 is the flow chart according to the switching handling method between the system of the embodiment of the present invention.As shown in Figure 2, the method comprises:
Step S202, the base station in the first system receives the request message that the RNC in second system sends, and wherein, described request message is received by described base station by the straight-through interface between base station and RNC, and the network formats of the first system and second system is different;
Step S204, after receiving described request message, to be that UE in described second system is reserved switched needed Radio Resource in described base station, and send the response message of described request message to RNC, wherein, described response message is carried out by described second system the switching flow to described the first system for triggering described RNC.
By above-mentioned treatment step, owing to having adopted between the RNC of the base station of the first system and second system, a straight-through interface is set, and carry out carrying out between above-mentioned base station and above-mentioned RNC the technological means of information interaction by this straight-through interface, can realize that base station and RNC directly carry out information interaction, can reduce and information interaction step such as core net etc., thereby can shorten handover delay, and improve the success rate of switching.
Above-mentioned steps S202 and step S204 in the specific implementation, can show as but be not limited to following processing procedure:
(1) before reorientation is initiated, source RNC sends Relocation Resource Request message (being equivalent to above-mentioned request message) to target eNode B, asks the reserved resource into this UE;
(2) after target eNode B receives Relocation Resource Request request, for UE distributes reserved Radio Resource, and send Relocation Resource Response message (being equivalent to above-mentioned response message) to RNC, carry Target To Source Transparent Container information in message.
(3) after source RNC receives Relocation Resource Responce message, can send Relocation Required message to CN, simultaneously, send HandoverFromUTRAN message (carrying the Target To Source Transparent Container information that target eNode B is returned) to UE.Like this, follow-up IU mouth flow process and UU mouth flow process can parallel processings, and then complete handoff procedure.
Embody as above-mentioned specific implementation, after RNC sends the response message of described request message, can also comprise following processing procedure: after receiving described request message, RNC carries out by described second system the switching flow to described the first system.
In order further to shorten handover delay, after above-mentioned RNC sends RELOCATION REQUEST message to core net, under the triggering of this RELOCATION REQUEST message, above-mentioned base station and core net are carried out information interaction, simultaneously, information interaction is carried out in described UE and described base station, completes the switching that is switched to described the first system by described second system.In the specific implementation, can be presented as the parallel processing of IU mouth and UU mouth flow process.
When above-mentioned RNC sends RELOCATION REQUEST message to core net, can to described UE, send for triggering the switching message that UE is switched simultaneously.
Above-mentioned RNC is after core net sends RELOCATION REQUEST message, and above-mentioned UE need to carry out the flow process of the described the first system of access.In this case, when described UE accesses described the first system failure, described UE sends the first release message by described RNC, sending the described RNC of access failure message informing to described base station, and wherein, described the first release message is used to indicate described base station and discharges described Radio Resource.In the specific implementation, as shown in Figure 3, can show as following implementation procedure:
Step S302, source RNC sends Relocation Resource Request message to target eNode B, asks the reserved resource into this UE;
Step S304, after target eNode B receives Relocation Resource Request request, for UE distributes reserved Radio Resource, and send Relocation Resource Response message to RNC, carry Target To Source Transparent Container information in message.
Step S306, after source RNC receives Relocation Resource Responce message, send Handover From UTRAN message (carrying the Target To Source Transparent Container information that target eNode B is returned) to UE, send Relocation Required message to CN simultaneously;
Step S308, if UE attempts access E-UTRAN thrashing, can send Handover From UTRAN Failure message to source RNC;
Step S310, source RNC receives andover From UTRAN Failure message, to target eNode B, sends Relocation Resource Release Command message, notice eNodeB discharges the related resource of this UE.
Step S312, target eNode B is replied Relocation Resource Release Complete response.
When described core net is processed unsuccessfully to described RELOCATION REQUEST message, described core net notifies described RNC to send for discharging described Radio Resource to described base station.In the specific implementation, as shown in Figure 4, can show as following processing procedure:
Step S402, source RNC sends Relocation Resource Request message to target eNode B, asks the reserved resource into this UE;
Step S404, after target eNode B receives Relocation Resource Request request, for UE distributes reserved Radio Resource, and send Relocation Resource Response message to RNC, carry Target To Source Transparent Container information in message.
Step S406, after source RNC receives Relocation Resource Responce message, send Handover From UTRAN message (carrying the Target To Source Transparent Container information that target eNode B is returned) to UE, send Relocation Required message to CN simultaneously;
Step S408, if CN processes the re-positioning request failure, send Relocation Prepare Failure message to source RNC;
Step S410, source RNC receives Relocation Prepare Failure message, to target eNode B, sends Relocation Resource Release Command message, notice eNodeB discharges the related resource of this UE.
Step S412, target eNode B is replied Relocation Resource Release Complete response.
While in above-mentioned base station being the reserved Radio Resource failure of UE distribution in described second system, above-mentioned base station sends the second release message to described RNC; After receiving described the second release message, described RNC stops carrying out described switching flow.After RNC stops carrying out described switching flow: RNC, when arrival scheduled time threshold value, determines whether to send to described base station described request message (for example basis wireless signal situation at that time) according to predetermined policy.This predetermined policy can include but not limited to following content: judges whether described UE reaches predetermined threshold value to the intensity of the measuring-signal of RNC, when arriving described predetermined threshold value, to base station, sends above-mentioned request message, otherwise, do not send above-mentioned request message.
Above-mentioned processing procedure in the specific implementation, as shown in Figure 5, can show as following form:
Step S502, source RNC sends Relocation Resource Request message to target eNode B, asks the reserved resource into this UE;
Step S504, after target eNode B receives Relocation Resource Request request, for UE distributes reserved Radio Resource, if reserved resource failure or other reasons failure are replied Relocation Resource Failure message to RNC.If source RNC receives Relocation Resource Failure message, stop the reorientation flow process.Optionally, source RNC can arrange a Penalty time, no longer initiates the re-positioning request flow process within this time period.
Preferably, above-mentioned the first system is evolved general land wireless access system, and described second system is general land wireless access system.
Switch processing device between a kind of system also is provided in the present embodiment, this device is arranged in the base station of the first system, for realizing above-described embodiment and preferred implementation, carried out repeating no more of explanation, below in this device, relating to module, describe.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, or the realization of the combination of software and hardware also may and be conceived.Fig. 6 is the structured flowchart according to the switch processing device between the system of the embodiment of the present invention.As shown in Figure 6, this device comprises:
Receiver module 60, be connected to resource reservation module 62 and the first sending module 64, the request message sent for the radio network controller (RNC) that receives second system, wherein, described request message is received by described base station by the straight-through interface between described base station and described RNC, and the network formats of described the first system and described second system is different;
Resource reservation module 62, for after receiving described request message, switched needed Radio Resource for the UE in described second system is reserved;
The first sending module 64, for send the response message of described request message to described RNC, wherein, described response message is carried out by described second system the switching flow to described the first system for triggering described RNC.
Embodiment 2
Fig. 7 is the flow chart according to the changing method between the system of the embodiment of the present invention.As shown in Figure 7, the method comprises:
Step S702, RNC in second system sends a request message to the base station in the first system, wherein, described request message sends to described base station by the straight-through interface between described base station and described RNC, and the network formats of described the first system and described second system is different;
Step S704, after receiving the response message that comes from described base station, described RNC carries out by described second system the switching flow to described the first system, wherein, the response message that described response message is described request message.
Preferably, above-mentioned RNC carries out by described second system the switching flow to described the first system, and comprising: above-mentioned RNC sends RELOCATION REQUEST message to core net; Under the triggering of described RELOCATION REQUEST message, described base station and core net are carried out information interaction, and simultaneously, information interaction is carried out in described UE and described base station, completes the switching that is switched to described the first system by described second system.
In a preferred implementation process of the present invention, above-mentioned the first system is evolved general land wireless access system, and described second system is general land wireless access system.
Switching device shifter between a kind of system also is provided in the present embodiment, this device is arranged in the radio resource controller RNC of second system, for realizing above-described embodiment and preferred implementation, carried out repeating no more of explanation, below in this device, relating to module, describe.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, or the realization of the combination of software and hardware also may and be conceived.Fig. 8 is the structured flowchart according to the switching device shifter between the system of the embodiment of the present invention.As shown in Figure 8, this device comprises:
The second sending module 80, be connected to handover module 82, send a request message for the base station to the first system, wherein, described request message sends to described base station by the straight-through interface between described base station and described RNC, and the network formats of described the first system and described second system is different;
In order to understand better above-described embodiment 1 and embodiment 2, below in conjunction with embodiment 3 and relevant drawings, describe in detail.
Embodiment 3
The present embodiment relates to the different system handoff technique of 3G (Third Generation) Moblie (The ThirdGeneration, 3G) system WCDMA to the four third-generation mobile communications (The FourthGeneration, 4G) system LTE.Be illustrated in figure 9 the Organization Chart of this programme, the interface between newly-increased E-UTRAN and RNC, for interacting message between E-UTRAN and RNC.Should increase the chain of command protocol stack of interface newly as shown in figure 10.The present embodiment provides a kind of inter-system switching method, and without revising IU mouth agreement, the interface between newly-increased E-UTRAN and RNC, for interacting message between E-UTRAN and RNC, can effectively reduce handover delay, and improve handover success rate.
As shown in figure 11, the intersystem handover flow process of the present embodiment comprises:
Step S1102, source RNC sends Relocation Resource Request message to target eNode B, asks the reserved resource into this UE;
Step S1104, after target eNode B receives Relocation Resource Request request, for UE distributes reserved Radio Resource, and send Relocation Resource Response message to RNC, carry Target To Source Transparent Container information in message.
Step S1106, after source RNC receives Relocation Resource Responce message, send Handover From UTRAN message (carrying the Target To Source Transparent Container information that target eNode B is returned) to UE, send Relocation Required message to CN simultaneously;
Step S1108, CN receives Relocation Required request, after processing, to target eNode B, sends Handover Request.
Step S1110, after target eNode B is received HandoverRequest message, can directly reply Handover Request Acknowledge response to CN.
Step S1112, after CN receives response, send Relocation Command message to source RNC.
Step S1114, walk abreast with S407-S406, after UE receives Handover From UTRAN message, attempts access E-UTRAN.
Step S1116, successfully, after the access, UE can reply Handover To E-UTRAN Complete response to target eNode B.
Step S1118, target eNode B is successfully received the response of UE, can reply Relocation Notify message to CN.
Step S1120, source RNC discharges the IU resource, and the reorientation flow process finishes.
In the present embodiment, due to the interface increased between E-UTRAN and RNC, obtain in advance the information such as Target To Source Transparent Container, can, by IU mouth flow process and the parallel processing of UU mouth flow process, shorten handover delay like this.And, if target eNode b replys unsuccessfully, can avoid because blindly initiating the handoff failure that switching causes, assurance source wireless access network element can be made correct handover decisions, improves handover success rate.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general computing system, they can concentrate on single computing system, perhaps be distributed on the network that a plurality of computing systems form, alternatively, they can be realized with the executable program code of computing system, thereby, they can be stored in storage system and be carried out by computing system, and in some cases, can carry out step shown or that describe with the order be different from herein, perhaps they are made into respectively to each integrated circuit modules, perhaps a plurality of modules in them or step being made into to the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (16)
1. the switching handling method between a system, is characterized in that, comprising:
Base station in the first system receives the request message that the radio network controller (RNC) in second system sends, wherein, described request message is received by described base station by the straight-through interface between described base station and described RNC, and the network formats of described the first system and described second system is different;
After receiving described request message, to be that UE in described second system is reserved switched needed Radio Resource in described base station, and send the response message of described request message to described RNC, wherein, described response message is carried out by described second system the switching flow to described the first system for triggering described RNC.
2. method according to claim 1, is characterized in that, after described RNC sends the response message of described request message, also comprises:
After receiving described request message, described RNC carries out by described second system the switching flow to described the first system.
3. method according to claim 2, is characterized in that, described RNC carries out by described second system the switching flow to described the first system, comprising:
Described RNC sends RELOCATION REQUEST message to core net;
Under the triggering of described RELOCATION REQUEST message, described base station and core net are carried out information interaction, and simultaneously, information interaction is carried out in described UE and described base station, completes the switching that is switched to described the first system by described second system.
4. method according to claim 3, is characterized in that, also comprises:
When described RNC sends RELOCATION REQUEST message to core net, to described UE, send for triggering the switching message that UE is switched.
5. method according to claim 3, is characterized in that, described RNC, after core net sends RELOCATION REQUEST message, comprising:
Described UE carries out the flow process of the described the first system of access.
6. method according to claim 5, it is characterized in that, after described UE accesses described the first system failure, described UE sends the first release message by described RNC, sending the described RNC of access failure message informing to described base station, wherein, described the first release message is used to indicate described base station and discharges described Radio Resource.
7. method according to claim 3, is characterized in that, also comprises:
When described core net is processed unsuccessfully to described RELOCATION REQUEST message, described core net notifies described RNC to send for discharging described Radio Resource to described base station.
8. according to the described method of claim 1 to 7 any one, it is characterized in that, also comprise:
Described base station is that the UE in described second system distributes while reserving the Radio Resource failure, and described base station sends failure response to described RNC;
After receiving described failure response, described RNC stops carrying out described switching flow.
9. method according to claim 8, is characterized in that, described RNC also comprises after stopping carrying out described switching flow:
Described RNC, after arriving scheduled time threshold value, determines whether to described base station, send described request message according to predetermined policy.
10. method according to claim 9, it is characterized in that, described predetermined policy comprises: judge whether described UE reaches predetermined threshold value to the intensity of the measuring-signal of described RNC, when arriving described predetermined threshold value, to described base station, send described request message, otherwise, do not send described request message.
11. method according to claim 1, is characterized in that, described the first system is evolved general land wireless access system, and described second system is general land wireless access system.
12. the changing method between a system, is characterized in that, comprising:
Radio network controller (RNC) in second system sends a request message to the base station in the first system, wherein, described request message sends to described base station by the straight-through interface between described base station and described RNC, and the network formats of described the first system and described second system is different;
After receiving the response message that comes from described base station, described RNC carries out by described second system the switching flow to described the first system, wherein, and the response message that described response message is described request message.
13. method according to claim 12, is characterized in that, described RNC carries out by described second system the switching flow to described the first system, comprising:
Described RNC sends RELOCATION REQUEST message to core net;
Under the triggering of described RELOCATION REQUEST message, described base station and core net are carried out information interaction, and simultaneously, information interaction is carried out in described UE and described base station, completes the switching that is switched to described the first system by described second system.
14. method according to claim 12, is characterized in that, described the first system is evolved general land wireless access system, and described second system is general land wireless access system.
15. the switch processing device between a system, be arranged in the base station of the first system, it is characterized in that, comprising:
Receiver module, the request message sent for the radio network controller (RNC) that receives second system, wherein, described request message is received by described base station by the straight-through interface between described base station and described RNC, and the network formats of described the first system and described second system is different;
The resource reservation module, for after receiving described request message, switched needed Radio Resource for the UE in described second system is reserved;
The first sending module, for send the response message of described request message to described RNC, wherein, described response message is carried out by described second system the switching flow to described the first system for triggering described RNC.
16. the switching device shifter between a system, be arranged in the radio resource controller RNC of second system, it is characterized in that, comprising:
The second sending module, send a request message for the base station to the first system, and wherein, described request message sends to described base station by the straight-through interface between described base station and described RNC, and the network formats of described the first system and described second system is different;
Handover module, for after receiving the response message that comes from described base station, carry out by described second system the switching flow to described the first system, wherein, and the response message that described response message is described request message.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763746A (en) * | 2014-01-21 | 2014-04-30 | 宇龙计算机通信科技(深圳)有限公司 | Network switching device and network switching method |
| WO2015168990A1 (en) * | 2014-05-09 | 2015-11-12 | 宇龙计算机通信科技(深圳)有限公司 | Switching method and switching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103763746A (en) * | 2014-01-21 | 2014-04-30 | 宇龙计算机通信科技(深圳)有限公司 | Network switching device and network switching method |
| WO2015168990A1 (en) * | 2014-05-09 | 2015-11-12 | 宇龙计算机通信科技(深圳)有限公司 | Switching method and switching device |
| CN105992293A (en) * | 2015-02-09 | 2016-10-05 | 电信科学技术研究院 | Network switching method and device |
| CN105992293B (en) * | 2015-02-09 | 2020-01-07 | 电信科学技术研究院 | Method and equipment for switching between networks |
| WO2018120225A1 (en) * | 2016-12-30 | 2018-07-05 | 华为技术有限公司 | Access method and apparatus |
| CN107454660A (en) * | 2017-08-08 | 2017-12-08 | 北京小米移动软件有限公司 | Network method and device are stayed after failed authentication |
| CN110351896A (en) * | 2018-04-04 | 2019-10-18 | 华为技术有限公司 | A kind of connection re-establishment method and device |
| CN110351896B (en) * | 2018-04-04 | 2021-07-09 | 华为技术有限公司 | Connection reestablishment method and device |
| US11457497B2 (en) | 2018-04-04 | 2022-09-27 | Huawei Technologies Co., Ltd. | Connection reestablishment method and apparatus |
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