CN108174423A - The method and node that a kind of circuit resource is reserved - Google Patents
The method and node that a kind of circuit resource is reserved Download PDFInfo
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- CN108174423A CN108174423A CN201611115147.0A CN201611115147A CN108174423A CN 108174423 A CN108174423 A CN 108174423A CN 201611115147 A CN201611115147 A CN 201611115147A CN 108174423 A CN108174423 A CN 108174423A
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- circuit domain
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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Abstract
The present invention relates to wireless communication field, method and node that more particularly to a kind of circuit resource is reserved.The invention discloses a kind of methods that circuit resource is reserved, which is characterized in that this method includes：The access network node that direct interaction can not be carried out with circuit domain node judges whether to need the voice signal of terminal being switched to specific cell, and wherein specific cell is the network formats Target cell different from the network formats of access network node；Access network node is after determining to need the voice signal of terminal being switched to specific cell, handover request is sent to packet-based core networks EPC nodes by the core net node belonging to access network node, so that EPC nodes announcing circuit domain node after the node for determining management specific cell is circuit domain node reserves resource.According to above method, resource can be reserved by announcing circuit domain node in the case where access network node and its affiliated core net node can not be interacted directly with circuit domain so that voice signal switches to circuit domain and is possibly realized.
Description
Technical field
The present invention relates to wireless communication field, method and node that more particularly to a kind of circuit resource is reserved.
Background technology
In current VoLTE (Voice over LTE, LTE voice) technology, LTE (Long Term Evolution,
Long term evolution) terminal is by EPC (Evolved Packet Core, evolution block core net) network insertion IMS network, by EPC
Network provides voice data carrying, and authentication, session control and multimedia consolidation service are provided by IMS network.
To ensure the continuity of terminal voice call, and 3GPP (3rd Generation Partnership Project, the
Third generation partnership project) propose that (Single Radio Voice Call Continuity singly treat that audio call connects to SRVCC
Continuous property) voice business continuity scheme, i.e., voice signal is switched into circuit domain in voice signal insufficient strength.Carry out
When SRVCC switches, need to send handover request to circuit domain (Circuit Switched), handover request is received simultaneously in circuit domain
Voice signal could be switched to circuit domain after circuit resource needed for preserved signal switching.Due to the core of the networks such as current 5G
Heart network node can not be interacted directly with circuit domain, also just can not handoff reservation circuit of the announcing circuit domain for voice signal
Resource, and then the continuity switching of voice signal can not be carried out.
To sum up, in the case where can not directly be interacted with circuit domain, can not announcing circuit domain reserve circuit resource, Jin Erwu
Voice signal is switched to circuit domain by method.
Invention content
The present invention provides method and the node that a kind of circuit resource is reserved, in the prior art can not to solve
In the case of directly being interacted with circuit domain, can not announcing circuit domain reserve circuit resource, and then voice signal can not be switched to
The problem of circuit domain.
The method that a kind of circuit resource provided in an embodiment of the present invention is reserved, including：
The access network node that direct interaction can not be carried out with circuit domain node judges whether to need the voice signal of terminal
Specific cell is switched to, wherein specific cell is the network formats Target cell different from the network formats of access network node；
Access network node passes through access network node institute after determining to need the voice signal of terminal being switched to specific cell
The core net node of category sends handover request to packet-based core networks EPC nodes, so that EPC nodes are determining management specific cell
Node is that announcing circuit domain node reserves resource after circuit domain node.
Optionally, handover request includes the band information of specific cell.
Optionally, handover request includes the information for representing to switch to circuit domain node.
The method that a kind of circuit resource provided in an embodiment of the present invention is reserved, including：
Core net node receives can not carry out the handover request that the access network node of direct interaction is sent with circuit domain node,
Wherein handover request is that access network node determines to need to send after the voice signal of terminal is switched to specific cell, specific small
Area is the network formats Target cell different from the network formats of access network node；
Handover request is sent to EPC nodes by core net node, so that EPC nodes are in the node for determining management specific cell
It is that announcing circuit domain node reserves resource after circuit domain node.
Optionally, it before handover request is sent to EPC nodes by core net node, further includes：
Core net node will represent that the information for switching to circuit domain node adds in handover request.
The method that a kind of circuit resource provided in an embodiment of the present invention is reserved, including：
EPC nodes receive the handover request that access network node is sent by core net node, and wherein handover request is access
Net node determines to need the voice signal of terminal being switched to what is sent behind specific cell, and specific cell is network formats and access
The different Target cell of the network formats of net node；
If EPC nodes determine that specific cell is the cell of circuit domain node administration, EPC node announcing circuit domain nodes are pre-
Stay resource.
Optionally, this method further includes：
It is the cell of EPC node administrations that if EPC nodes, which determine specific cell, EPC node reserves resources.
Optionally, after part or all of in meeting following condition, EPC nodes determine that specific cell is circuit domain node
The cell of management：
EPC nodes determine that the frequency range of specific cell belongs to the set of the frequency range of the cell of preset circuit domain node administration；
Or
EPC nodes, which determine to carry in the handover request received, represents that this time switching is the information for switching to circuit domain node.
The access network node that a kind of circuit resource provided in an embodiment of the present invention is reserved includes：
Judgment module, for determining to need that the voice signal of terminal is switched to specific cell, wherein specific cell is net
The network standard Target cell different from the network formats of access network node；
Processing module, for after judgment module determines to need the voice signal of terminal being switched to specific cell, passing through
Core net node belonging to access network node sends handover request to packet-based core networks EPC nodes, so that EPC nodes are determining pipe
The node of reason specific cell is that announcing circuit domain node reserves resource after circuit domain node.
Optionally, judgment module is specifically used for：
The signal of instruction terminal measurement neighboring community is strong after determining that the current voice signal intensity of terminal reaches setting value
Degree；
According to the testing result information that terminal is sent, specific cell is determined.
Optionally, handover request includes the band information of specific cell.
Optionally, handover request includes the information for representing to switch to circuit domain node.
The core net node that a kind of circuit resource provided in an embodiment of the present invention is reserved, including：
First receiving module can not be cut for receiving with what the access network node of circuit domain node progress direct interaction was sent
Request is changed, wherein handover request is that access network node determines to need to send after the voice signal of terminal is switched to specific cell
, specific cell is the network formats Target cell different from the network formats of access network node；
Sending module, for handover request to be sent to EPC nodes, so that EPC nodes are determining management specific cell
Node is that announcing circuit domain node reserves resource after circuit domain node.
Optionally, sending module is additionally operable to：
It will represent that the information for switching to circuit domain node adds in handover request.
The EPC nodes that a kind of circuit resource provided in an embodiment of the present invention is reserved, including：
Second receiving module, for receiving the handover request that access network node is sent by core net node, wherein switching
Request is that access network node determines to need to send after the voice signal of terminal is switched to specific cell, and specific cell is network
The standard Target cell different from the network formats of access network node；
Notification module, for determine that specific cell is circuit domain node administration in EPC nodes cell after, announcing circuit domain
Node reserves resource.
Optionally, notification module is additionally operable to：
After cell that specific cell is EPC node administrations is determined, resource is reserved.
Optionally, notification module is additionally operable to：
After part or all of in meeting following condition, it is the cell of circuit domain node administration to determine specific cell：
Determine that the frequency range of specific cell belongs to the set of the frequency range of the cell of preset circuit domain node administration；Or
It determines to carry in the handover request received and represents that this time switching is the information for switching to circuit domain node.
An embodiment of the present invention provides the method and devices that a kind of circuit resource is reserved, can be in access network node and its institute
In the case that the core net node of category can not be interacted directly with circuit domain, the core net as belonging to access network node by it
Node sends handover request to packet-based core networks EPC, so that EPC is after the node for determining management specific cell is circuit domain node
Announcing circuit domain node reserves resource, and wherein specific cell refers to the network formats mesh different from the network formats of access network node
Mark cell.According to above method, can directly can not be interacted in access network node and its affiliated core net node with circuit domain
In the case of announcing circuit domain node reserve resource so that voice signal switches to circuit domain and is possibly realized.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the step schematic diagram (one) of method that a kind of circuit resource provided in an embodiment of the present invention is reserved；
Fig. 2 is wireless network architecture schematic diagram provided in an embodiment of the present invention；
Fig. 3 is that access network node provided in an embodiment of the present invention sends handover request by its core net node to EPC
Step schematic diagram；
Fig. 4 is the step schematic diagram (two) of method that a kind of circuit resource provided in an embodiment of the present invention is reserved；
Fig. 5 is the step schematic diagram (three) of method that a kind of circuit resource provided in an embodiment of the present invention is reserved；
Fig. 6 is provided for EPC nodes provided in an embodiment of the present invention according to the handover request announcing circuit domain node received
The step schematic diagram that source is reserved；
Fig. 7 is the step schematic diagram of method that progress voice signal to circuit domain provided in an embodiment of the present invention switches；
Fig. 8 is the structure diagram of access network node that a kind of circuit resource provided in an embodiment of the present invention is reserved；
Fig. 9 is the structure diagram of core net node that a kind of circuit resource provided in an embodiment of the present invention is reserved；
Figure 10 is the structure diagram of EPC nodes that a kind of circuit resource provided in an embodiment of the present invention is reserved；
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing into
It is described in detail to one step, it is clear that described embodiment is only the implementation of part of the embodiment of the present invention rather than whole
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
All other embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, the method that a kind of circuit resource provided in an embodiment of the present invention is reserved includes the following steps：
Step 101：The access network node that direct interaction can not be carried out with circuit domain node judges whether to need terminal
Voice signal is switched to specific cell, and wherein specific cell is the network formats target different from the network formats of access network node
Cell；
Step 102：Access network node passes through access after determining to need the voice signal of terminal being switched to specific cell
Core net node belonging to net node is sent to packet-based core networks EPC (Evolved Packet Core, packet-based core networks) node
Handover request, so that EPC nodes announcing circuit domain node after the node for determining management specific cell is circuit domain node is reserved
Resource.
In wireless network architecture as shown in Figure 2, due to access network node 201 and its affiliated core net node 202
It can not directly be interacted with circuit domain 204, therefore access network node 201 and its affiliated core net node 202 can not be direct
Announcing circuit domain 204 is the handoff reservation circuit resource of voice signal.Wherein, access network node 201 can be in 5G networks
Access network node, circuit domain refer to 2G (2-Generation Wireless Telephone Technology, second generation mobile phone
Communication technology specification) or 3G (3-Generation Wireless Telephone Technology, third generation mobile communication
Technical specification) network of voice signal service is provided in network, if without reserved circuit resource, voice signal cannot connect
Circuit-domain network is switched to continuously.
The method provided in an embodiment of the present invention for carrying out voice signal switching can access network node 201 determine to need by
After the voice signal of terminal is switched to specific cell, by access network node 201 and its core net node 202 by EPC nodes 203
Handover request is sent to circuit domain 204 so that circuit domain 204 reserves circuit resource, therefore in access network node 201 and its affiliated
Core net node 202 can not directly be interacted with circuit domain 204 in the case of, can announcing circuit domain 204 cut for voice signal
Change reserved resource.
In the embodiment of the present invention, access network node needs to judge the network system of Target cell that voice signal needs are switched to
Whether formula is identical with the network formats of access network node, if access network node determines the network formats of Target cell and access net
The network formats of node are identical, then access network node and its core node do not need to just complete voice letter by EPC nodes
Number switching；If access network node determines that voice signal needs the network formats of cell being switched to and the net of access network node
Network standard is different, then access network node and its core node needs can complete the switching of voice signal by EPC nodes, this
When access network node determine the Target cell specific cell and to pass through the core net node belonging to access network node to packet core
Heart net EPC nodes send handover request, so that EPC nodes notify after the node for determining management specific cell is circuit domain node
Circuit domain node reserves resource.
For example, the access network node that network formats are 5G determines cell S after the switching for determining to need to carry out voice signal
For the Target cell for needing to be switched to, it is assumed that cell S is the cell of 5G network formats, then the network formats of Target cell S are with connecing
The network formats of network access node are identical, therefore cell S is not specific cell, do not need to just complete by EPC nodes at this time
Voice signal to cell S switching；Assuming that cell S is the cell of 3G network standard, then the network formats of Target cell S and access
The network formats of net node are different, therefore cell S is specific cell, and access network node is needed through the core belonging to the node at this time
Heart net node sends handover request to packet-based core networks EPC nodes.
It is alternatively possible to access network node, core net node and/or EPC side gussets be pre-configured cell band information with
The correspondence of cell information.
In the embodiment of the present invention, cell frequency can be pre-configured in access network node, core net node and/or EPC side gussets
The correspondence of segment information and cell information, so that access network node, core net node and/or EPC side gussets can be according to frequencies
Segment information determines the information of cell, and wherein cell information includes but not limited to the type of the label of cell, the node for managing cell.
Table 1
Such as shown in table 1, it is circuit domain that can preset frequency range a, frequency range b difference respective cell A and cell B, wherein cell A
The cell of node administration, cell B is the cell of EPC node administrations, therefore access network node, core net node and/or EPC sides are saved
Point is assured that the label of the corresponding cell of the band information and standard information according to band information.
Optionally, access network node determines to need to carry out language after the voice signal intensity of present terminal reaches preset value
The switching of sound signal, and determine that signal strength is most strong in neighboring community according to the result that terminal-pair adjacent cell signal strength measures
Cell, it is if the network formats of the most strong cell of the signal strength are different from the network formats of access network node, this is small
Area is as specific cell.
In the embodiment of the present invention, access network node refers to after the voice signal intensity for determining present terminal reaches preset value
Show that the signal strength of cell near terminal-pair is detected, wherein, access network node is able to detect that present terminal voice signal
Intensity, the intensity of the voice signal that terminal reports can also be received.Access network node is determining that terminal current speech signal is strong
After degree reaches preset value, the switching for needing to carry out voice signal is determined, the further instruction terminal of access network node is to neighbouring cell
Signal strength measure.For example, the preset value of signal strength is set as 116dBm, then access network node is worked as detecting
Preceding voice signal intensity reaches 116dBm, then access network node instruction terminal carries out cell measurement.
After the voice signal intensity for determining present terminal reaches preset value, access network node instruction terminal is according to preset
Signal strength under the corresponding frequency range of band information detection cell of neighboring community, and testing result is sent to and connects by instruction terminal
Network access node.For example, it is 500 megahertzs~1000 megahertzs to preset the corresponding frequency ranges of cell A, the corresponding frequency ranges of cell B are
1000 megahertzs~1500 megahertzs, then terminal M can be by the signal strength of a certain frequency point in 500 megahertzs~1000 megahertzs
Testing result be sent to access network node as the signal strength detection result of cell A；Terminal M can by 1000 megahertzs~
The testing result of the signal strength of a certain frequency point is sent to access as the signal strength detection result of cell B in 1500 megahertzs
Net node.
The testing result information that access network node is sent according to terminal determines most strong small of signal strength in neighboring community
If the network formats of the most strong cell of the signal strength are different from the network formats of access network node, which is made for area
For specific cell.For example, the testing result of the signal strength sent according to terminal, access network node determine the signal matter of cell A
Measure the cell that signal quality is best in the neighboring community for terminal M, it is assumed that the network formats of cell A and the network of access network node
Standard is different, then access network node is using cell A as specific cell.
Optionally, handover request includes the band information of specific cell.
In the embodiment of the present invention, access network node is needed after specific cell is determined through the core belonging to access network node
Heart net node sends handover request to EPC nodes, and wherein handover request includes the band information of specific cell, access network node institute
Core net section, EPC nodes and the circuit domain node of category can determine specific small after handover request is received according to band information
The frequency range in area.For example, access network node after determining cell A for specific cell, needs to carry the frequency of cell A in handover request
Segment information, it is assumed that the corresponding frequency ranges of cell A are 500 megahertzs~1000 megahertzs, then access network node is needed in handover request
The middle band information for carrying 500 megahertzs~1000 megahertzs.
Optionally, handover request includes the information for representing to switch to circuit domain node.
In the embodiment of the present invention, access network node is needed after specific cell is determined through the core belonging to access network node
Heart net node sends handover request to EPC nodes, and wherein handover request can include the information for representing to switch to circuit domain node.
For example, access network node can determine the cell that the specific cell that needs are switched to is circuit domain node administration, then net section is accessed
Point can carry the information for representing to switch to circuit domain node in the handover request of transmission, so that EPC nodes are receiving switching
The information that expression after request in handover request switches to circuit domain node is determined to switch to circuit domain.
Illustrate that access network node is cut by its core net node to the transmission of EPC nodes in the embodiment of the present invention below with Fig. 3
The step of changing request：
Step 301：Access network node instruction terminal after determining that the current voice signal intensity of terminal reaches setting value is surveyed
Measure the signal strength of neighboring community；
Step 302：The testing result information that access network node is sent according to terminal, determines specific cell；
Step 303：Access network node is sent out by the core net node belonging to access network node to packet-based core networks EPC nodes
Send handover request.
As shown in figure 4, the method that a kind of circuit resource provided in an embodiment of the present invention is reserved includes the following steps：
Step 401：Core net node receives what can not be sent with the access network node of circuit domain node progress direct interaction
Handover request, wherein handover request are that access network node determines to need to send after the voice signal of terminal is switched to specific cell
, specific cell is the network formats Target cell different from the network formats of access network node；
Step 402：Handover request is sent to EPC nodes by core net node, so that EPC nodes are determining that management is specific small
The node in area is that announcing circuit domain node reserves resource after circuit domain node.
In the embodiment of the present invention, core net node can not carry out the access net section of direct interaction receiving with circuit domain node
It after the handover request that point is sent, needs handover request being sent to EPC nodes, so that EPC nodes are determining management specific cell
Node be that announcing circuit domain node reserves resource after circuit domain node, wherein, handover request is that access network node determines to need
The voice signal of terminal is switched to what is sent behind specific cell, specific cell refers to the network of network formats and access network node
The different Target cell of standard.Due to that can will be unable to cut with what the access network node of circuit domain node progress direct interaction was sent
It changes request to send to EPC nodes, so that EPC nodes announcing circuit after the node for determining management specific cell is circuit domain node
Domain, the situation that the core net node in the embodiment of the present invention can directly cannot be interacted in access network node with circuit domain
Under so that circuit domain reserves circuit resource according to the handover request received.
Optionally, it before handover request is sent to EPC nodes by core net node, further includes：Core net node will represent
The information for switching to circuit domain node adds in handover request.
In the embodiment of the present invention, core net node needs to switch after the handover request for receiving access network node transmission
Request is sent to EPC nodes, wherein, core net node can carry expression switching in the handover request sent to EPC nodes
To the information of circuit domain node.For example, band information of the core net node in the handover request received can determine needs
The specific cell being switched to is the cell of circuit domain node administration, then core net node can be in the switching sent to EPC nodes
Carried in request and represent to switch to the information of circuit domain node so that EPC nodes after handover request is received according to handover request
In expression switch to the information of circuit domain node and be determined to switch to circuit domain.
As shown in figure 5, the method that a kind of circuit resource provided in an embodiment of the present invention is reserved includes the following steps：
Step 501：EPC nodes receive the handover request that access network node is sent by core net node, wherein switching please
Seeking Truth access network node determines to need the voice signal of terminal being switched to what is sent behind specific cell, and specific cell is network system
The formula Target cell different from the network formats of access network node；
Step 502：It is the cell of circuit domain node administration that if EPC nodes, which determine specific cell, EPC node announcing circuits
Domain node reserves resource.
In the embodiment of the present invention, EPC nodes after the handover request that access network node is sent by core net node is received,
Need to judge specific cell that voice signal needs are switched to whether be circuit domain node administration cell, if it is possible to determine spy
Determine the cell that cell is circuit domain node administration, then EPC nodes announcing circuit domain node reserves resource, so that circuit domain node is
The switching of voice signal carries out the reserved of circuit resource, wherein, handover request is that access network node determines to need the language of terminal
Sound signal is switched to what is sent by core node behind specific cell, and specific cell refers to the net of network formats and access network node
The different Target cell of network standard.Due to can be sent out receiving the access network node that direct interaction can not be carried out with circuit domain node
The handover request sent and after determining that specific cell that needs are switched to is the cell of circuit domain node administration, sends out to circuit domain
Handover request so that circuit domain node carries out resource reservation, the EPC nodes in the embodiment of the present invention can in access network node and
In the case that its core net node cannot be interacted directly with circuit domain, announcing circuit domain is reserved according to the handover request received
Circuit resource.
Optionally, if it is the cell of EPC node administrations that EPC nodes, which determine specific cell, EPC node reserves resources.
In the embodiment of the present invention, EPC nodes after the handover request that access network node is sent by core net node is received,
Need to judge specific cell that voice signal needs are switched to whether be circuit domain node administration cell, if EPC nodes are true
Determine the cell that specific cell is EPC node administrations, then EPC nodes announcing circuit domain node reserves resource, wherein, handover request is
Access network node determines to need the voice signal of terminal being switched to what is sent by core node behind specific cell, specific cell
Refer to the network formats Target cell different from the network formats of access network node.
Below with Fig. 6 illustrate in the embodiment of the present invention EPC nodes according to the handover request announcing circuit domain node received into
The step of row resource reservation：
Step 601：EPC nodes receive the switching for switching to specific cell that access network node is sent by core net node
Request；
Step 602：Whether the node that EPC nodes judge to manage specific cell is circuit domain node, if so, performing step
603, otherwise perform step 604；
Step 603：EPC node indicating circuit domain nodes reserve circuit resource；
Step 604：EPC node reserves resources.
Wherein, since the handover request that EPC nodes receive is to switch to cell or the switching of circuit domain node administration
To the handover request of the cell of EPC node administrations, therefore EPC nodes judge that the node of management specific cell is not circuit domain node
Afterwards, it may be determined that the handover request is the request for the cell for switching to EPC node administrations.In addition, EPC nodes are in step 602
Whether the node that may determine that management specific cell is EPC nodes, if so, EPC node reserves resources, otherwise EPC nodes refer to
Show circuit domain node reserves circuit resource.
Optionally, after part or all of in meeting following condition, EPC nodes determine that specific cell is circuit domain node
The cell of management：EPC nodes determine that the frequency range of specific cell belongs to the collection of the frequency range of the cell of preset circuit domain node administration
It closes；Or EPC nodes determine to carry in the handover request received and represent that this time switching is the information for switching to circuit domain node.
In the embodiment of the present invention, EPC nodes can belong to preset circuit domain node pipe in the frequency range for determining specific cell
After the set of the frequency range of the cell of reason, it is the cell of circuit domain node administration to determine specific cell.For example, EPC nodes are according to receipts
To handover request determine that it is 500 megahertzs~1000 megahertzs to need the frequency point information of specific cell that is switched to, then EPC is saved
The correspondence of frequency range of the point in table 1 and cell information can determine specific cell marked as cell A, and can be true
Determine the cell that specific cell is circuit domain node administration, then hereafter EPC nodes need to send handover request to circuit domain node, with
Circuit domain node is made to carry out resource reservation.In addition, EPC nodes can also carry expression this time in the handover request for determining to receive
Switching is after switching to the information of circuit domain node, and it is the cell of circuit domain node administration to determine specific cell.
Optionally, circuit domain node is sent to core net node by EPC nodes and confirmed after completing circuit resource and reserving
Message, so that core net node sends switching command to access network node upon receipt of the confirmation message；Access network node is receiving
After the switching command that core net node is sent, switching command is sent to terminal so that terminal carries out voice signal to circuit domain
Switching.
Such as in wireless network architecture shown in Fig. 2, circuit domain node 204 is saved after resource reservation is completed by EPC
Point 203 sends confirmation message to core net node 202, so that core net node 202 is upon receipt of the confirmation message to access net section
Point 201 sends switching command, and access network node 201 is sent to terminal so that terminal after switching command is received, by switching command
Carry out switching of the voice signal to specific cell.
The step of method that progress voice signal provided in an embodiment of the present invention switches to circuit domain is illustrated with Fig. 7 below：
Step 701：Access network node instruction terminal after determining that the current voice signal intensity of terminal reaches setting value is surveyed
Measure the signal strength of neighboring community；
Step 702：The signal strength of terminal detection neighboring community simultaneously sends testing result to access network node；
Step 703：The testing result information that access network node is sent according to terminal, determines specific cell；
Step 704：Core net node belonging to from access network node to access network node sends handover request；
Step 705：Core net node belonging to access network node sends handover request to EPC nodes；
Step 706：Whether the node that EPC nodes judge to manage specific cell is circuit domain node, if so, performing step
707, otherwise perform step 708；
Step 707：EPC node announcing circuit domain nodes reserve circuit resource；
Step 708：EPC node reserves resources；
Step 709：Circuit domain node carries out the reserved of circuit resource after handover request is received；
Step 710：Circuit domain node terminate circuit resource it is reserved after, send confirmation message to EPC nodes；
Step 711：EPC nodes will confirm that message is sent to core net node；
Step 712：After core net node receives confirmation message, switching command is sent to access network node；
Step 713：After access network node receives switching command, switching command is sent to terminal so that terminal carries out voice
Signal to circuit domain switching；
Step 714：Terminal initiates the switching of voice signal after switching command is received, and passes through circuit after the completion of switching
Domain carries out voice communication.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of node for carrying out resource reservation.Due to this hair
The principle that the node of progress resource reservation that bright embodiment also provides solves the problems, such as is similar to the method for the present invention embodiment, therefore should
The implementation of node may refer to the implementation of the method for the present invention, repeats part and is not repeating.
Include as shown in figure 8, the embodiment of the present invention provides the access network node that a kind of circuit resource is reserved：
Judgment module 801, for determine to need when access network node can not carry out direct interaction with circuit domain node by
The voice signal of terminal is switched to specific cell, and wherein specific cell is that network formats are different from the network formats of access network node
Target cell；
Processing module 802 sends for passing through the core net node belonging to access network node to packet-based core networks EPC nodes
Handover request, so that EPC nodes announcing circuit domain node after the node for determining management specific cell is circuit domain node is reserved
Resource.
Optionally, handover request includes the band information of specific cell.
Optionally, handover request includes the information for representing to switch to circuit domain node.
As shown in figure 9, the embodiment of the present invention provides the core net node that a kind of circuit resource is reserved, including：
First receiving module 901, for receiving the access network node transmission that direct interaction can not be carried out with circuit domain node
Handover request, wherein handover request is that access network node determines to need to send out after the voice signal of terminal is switched to specific cell
It send, specific cell is the network formats Target cell different from the network formats of access network node；
Sending module 902, for handover request to be sent to EPC nodes, so that EPC nodes are determining management specific cell
Node be that announcing circuit domain node reserves resource after circuit domain node.
Optionally, sending module 902 is additionally operable to：
It will represent that the information for switching to circuit domain node adds in handover request.
As shown in Figure 10, the embodiment of the present invention provides the EPC nodes that a kind of circuit resource is reserved, including：
Second receiving module 1001, for receiving the handover request that access network node is sent by core net node, wherein
Handover request is that access network node determines to need to send after the voice signal of terminal is switched to specific cell, and specific cell is
The network formats Target cell different from the network formats of access network node；
Notification module 1002, for determine that specific cell is circuit domain node administration in EPC nodes cell after, notice electricity
Road domain node reserves resource.
Optionally, notification module 1002 is additionally operable to：
After cell that specific cell is EPC node administrations is determined, resource is reserved.
Optionally, notification module 1002 is additionally operable to：
After part or all of in meeting following condition, it is the cell of circuit domain node administration to determine specific cell：
Determine that the frequency range of specific cell belongs to the set of the frequency range of the cell of preset circuit domain node administration；Or
It determines to carry in the handover request received and represents that this time switching is the information for switching to circuit domain node.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (16)
1. a kind of method that circuit resource is reserved, which is characterized in that this method includes：
The access network node that direct interaction can not be carried out with circuit domain node judges whether to need to switch the voice signal of terminal
To specific cell, wherein the specific cell is the network formats Target cell different from the network formats of access network node；
The access network node passes through the access net section after determining to need the voice signal of terminal being switched to specific cell
Core net node belonging to point sends handover request to packet-based core networks EPC nodes, so that the EPC nodes are determining management institute
The node for stating specific cell is to notify the circuit domain node reserves resource after circuit domain node.
2. the method as described in claim 1, which is characterized in that the frequency range that the handover request includes the specific cell is believed
Breath.
3. method as claimed in claim 1 or 2, which is characterized in that the handover request includes representing to switch to circuit domain section
The information of point.
4. a kind of method that circuit resource is reserved, which is characterized in that this method includes：
Core net node receives can not carry out the handover request that the access network node of direct interaction is sent with circuit domain node, wherein
The handover request is that the access network node determines to need to send after the voice signal of terminal is switched to specific cell, institute
It is the network formats Target cell different from the network formats of access network node to state specific cell；
The handover request is sent to EPC nodes by the core net node, so that the EPC nodes are determining the management spy
The node for determining cell is to notify the circuit domain node reserves resource after circuit domain node.
5. method as claimed in claim 4, which is characterized in that the handover request is sent to EPC by the core net node
Before node, further include：
The core net node will represent that the information for switching to circuit domain node adds in the handover request.
6. a kind of method that circuit resource is reserved, which is characterized in that this method includes：
EPC nodes receive the handover request that access network node is sent by core net node, wherein the handover request is described
Access network node determines to need the voice signal of terminal being switched to what is sent behind specific cell, and the specific cell is network system
The formula Target cell different from the network formats of access network node；
If the EPC nodes determine that the specific cell is the cell of circuit domain node administration, described in the EPC nodes notice
Circuit domain node reserves resource.
7. method as claimed in claim 6, which is characterized in that this method further includes：
If the EPC nodes determine that the specific cell is the cell of the EPC node administrations, the EPC node reserves money
Source.
8. method as claimed in claim 6, which is characterized in that after part or all of in meeting following condition, the EPC
Node determines that the specific cell is the cell of circuit domain node administration：
The EPC nodes determine that the frequency range of the specific cell belongs to the collection of the frequency range of the cell of preset circuit domain node administration
It closes；Or
The EPC nodes, which determine to carry in the handover request received, represents that this time switching is the information for switching to circuit domain node.
9. the access network node that a kind of circuit resource is reserved, which is characterized in that the access network node can not be with circuit domain node
Direct interaction is carried out, which includes：
Judgment module, for determining to need that the voice signal of terminal is switched to specific cell, wherein the specific cell is net
The network standard Target cell different from the network formats of access network node；
Processing module, for after the judgment module determines to need the voice signal of terminal being switched to specific cell, passing through
Core net node belonging to the access network node sends handover request to packet-based core networks EPC nodes, so that the EPC nodes
The circuit domain node reserves resource is notified after the node for determining the management specific cell is circuit domain node.
10. access network node as claimed in claim 9, which is characterized in that the handover request includes the specific cell
Band information.
11. the access network node as described in claim 9 or 10, which is characterized in that the handover request includes representing to switch to
The information of circuit domain node.
12. the core net node that a kind of circuit resource is reserved, which is characterized in that the core net node includes：
First receiving module, please for receiving the switching of access network node transmission that direct interaction can not be carried out with circuit domain node
It asks, determines to need to send out after the voice signal of terminal is switched to specific cell wherein the handover request is the access network node
It send, the specific cell is the network formats Target cell different from the network formats of access network node；
Sending module, for the handover request to be sent to EPC nodes, so that the EPC nodes are determining the management spy
The node for determining cell is to notify the circuit domain node reserves resource after circuit domain node.
13. core net node as claimed in claim 12, which is characterized in that the sending module is additionally operable to：
It will represent that the information for switching to circuit domain node adds in the handover request.
14. the EPC nodes that a kind of circuit resource is reserved, which is characterized in that the EPC nodes include：
Second receiving module, for receiving the handover request that access network node is sent by core net node, wherein the switching
Request is that the access network node determines to need to send after the voice signal of terminal is switched to specific cell, described specific small
Area is the network formats Target cell different from the network formats of access network node；
Notification module, for after cell that the specific cell is circuit domain node administration is determined, notifying the circuit domain section
The reserved resource of point.
15. EPC nodes as claimed in claim 14, which is characterized in that the notification module is additionally operable to：
After cell that the specific cell is the EPC node administrations is determined, resource is reserved.
16. EPC nodes as claimed in claim 14, which is characterized in that the notification module is additionally operable to：
After part or all of in meeting following condition, it is the cell of circuit domain node administration to determine the specific cell：
Determine that the frequency range of the specific cell belongs to the set of the frequency range of the cell of preset circuit domain node administration；Or
It determines to carry in the handover request received and represents that this time switching is the information for switching to circuit domain node.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719613A (en) * | 2018-07-12 | 2020-01-21 | 华为技术有限公司 | Method and device for establishing voice service |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212741A (en) * | 2006-12-29 | 2008-07-02 | 大唐移动通信设备有限公司 | Dual-mode terminal switching method, system, and the dual-mode terminal |
| CN101291535A (en) * | 2008-06-11 | 2008-10-22 | 中兴通讯股份有限公司 | Method and system for terminal to switch among different networks |
| CN101390435A (en) * | 2006-02-28 | 2009-03-18 | 诺基亚公司 | Handover in communication networks |
| WO2016085109A1 (en) * | 2014-11-27 | 2016-06-02 | 콘텔라 주식회사 | Handover method and device for macro base station in wireless communication system |
-
2016
- 2016-12-07 CN CN201611115147.0A patent/CN108174423B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101390435A (en) * | 2006-02-28 | 2009-03-18 | 诺基亚公司 | Handover in communication networks |
| CN101212741A (en) * | 2006-12-29 | 2008-07-02 | 大唐移动通信设备有限公司 | Dual-mode terminal switching method, system, and the dual-mode terminal |
| CN101291535A (en) * | 2008-06-11 | 2008-10-22 | 中兴通讯股份有限公司 | Method and system for terminal to switch among different networks |
| WO2016085109A1 (en) * | 2014-11-27 | 2016-06-02 | 콘텔라 주식회사 | Handover method and device for macro base station in wireless communication system |
Non-Patent Citations (2)
| Title |
|---|
| ERICSSON: "New RAN Roll Out Scenarios", 《3GPP TSG-RAN WG3 MEETING #93 R3-161895》 * |
| INTEL CORPORATION: "Inter-RAT mobility between NR and legacy technologies", 《3GPP TSG-RAN WG2 MEETING #95 R2-165014》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719613A (en) * | 2018-07-12 | 2020-01-21 | 华为技术有限公司 | Method and device for establishing voice service |
| CN110719613B (en) * | 2018-07-12 | 2021-08-03 | 华为技术有限公司 | Method and device for establishing voice service |
| US11729675B2 (en) | 2018-07-12 | 2023-08-15 | Huawei Technologies Co., Ltd. | Method and apparatus for performing a voice service handover to a circuit switched domain voice service |
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| CN108174423B (en) | 2021-08-06 |
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