CN105872999A - Cell switching method, terminal and core network equipment - Google Patents
Cell switching method, terminal and core network equipment Download PDFInfo
- Publication number
- CN105872999A CN105872999A CN201610370440.5A CN201610370440A CN105872999A CN 105872999 A CN105872999 A CN 105872999A CN 201610370440 A CN201610370440 A CN 201610370440A CN 105872999 A CN105872999 A CN 105872999A
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- community
- broadband
- narrowband
- terminal
- active calls
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a cell switching method and a terminal which are used for realizing switching from a narrowband cell to a broadband cell and avoiding call missing. The method comprises the steps that the terminal participates in a current call in the narrowband service cell, wherein the terminal is registered in both the broadband service cell and the narrowband service cell; the terminal acquires information of wireless resources of the current call in the broadband service cell; the terminal switches from the narrowband service cell to the broadband service cell according to the information of the wireless resource and continues the current call through the wireless resources.
Description
Technical field
The present embodiments relate to communication technical field, particularly relate to a kind of cell switching method, terminal with
And equipment of the core network.
Background technology
In specialty trunking communication field, police Digital Clustering (Police Digital Trunking, PDT) is
System, TErrestrial TRunked Radio (Terrestrial Trunked Radio, Tetra) system and P25 (Project25)
Being the system of several main flow, they broadly fall into arrowband group system.The arrowband collection such as PDT, Tetra and P25
Group communication system can provide the user good narrowband speech business, but there is transmission in terms of data service
The shortcoming that speed is low, it is impossible to meet the needs of the growing broadband services such as image and data, for solving
This problem, industry is generally had an optimistic view of narrowband systems and is added the wide and narrow strip cluster amalgamation mode of broadband system, broadband
System such as Long Term Evolution (Long Term Evolution, LTE) system, wide and narrow strip cluster amalgamation mode
Such as: PDT+LTE, Tetra+LTE, P25+LTE etc..
In the initial stage merged, core net is built respectively and is interconnected by gateway, the network of gateway interconnection
Framework can as it is shown in figure 1, afterwards core net can progressively be transitioned into unified fusion stage, the net of unified fusion
Network framework can be as shown in Figure 2.The terminal type of wide and narrow strip group system support includes narrowband terminal, broadband
Terminal and dual-mode terminal.
Existing broadband cluster and arrowband cluster standard all support handoff functionality: for broadband colony terminal,
The handover scheme (such as: LTE switches) that wide-bandwidth standards defines can be used;For arrowband colony terminal, can
Use the handover scheme (such as: PDT handover) of arrowband cluster standard definition;For dual-mode terminal,
Switch from broadband cell toward broadband cell, broadband handover scheme can be used, from community, arrowband toward community, arrowband
Switching, can use arrowband handover scheme.And switch toward broadband cell from community, arrowband, existing standard and skill
Art specification is not directed to.
Summary of the invention
In view of this, embodiments provide a kind of cell switching method and terminal, it is possible to realize from
Broadband cell is toward the switching of community, arrowband, it is to avoid call drop.
First aspect, the embodiment of the present invention provides a kind of cell switching method, including: terminal takes in arrowband
Business community participates in active calls, and this terminal all has registration in broadband service community and this narrowband service community;
This terminal obtains the information of the Radio Resource of this active calls in this broadband service community;This terminal according to
The information of this Radio Resource switches to this broadband service community and utilizes this wireless money from this narrowband service community
This active calls is continued in source.
In conjunction with the first aspect of the embodiment of the present invention, in the first reality of the first aspect of the embodiment of the present invention
In existing mode, this terminal obtains the letter of the Radio Resource of this active calls present in this broadband service community
Breath particularly as follows: this terminal request equipment of the core network to be this active calls wireless in the distribution of this broadband service community
Resource;This terminal receives this Radio Resource of broadband trunked base station transmission corresponding to this broadband service community
Information.
In conjunction with the first implementation of the first aspect of the embodiment of the present invention, in the of the embodiment of the present invention
In the second implementation on the one hand, terminal is after narrowband service community participates in active calls, and this is eventually
End request equipment of the core network be this active calls before this broadband service distributing wireless resources for cells, the party
Method also includes:
Whether this active calls of this terminal judges is that group is exhaled, the most then to receive this broadband service little for this terminal
The broadcast message that district sends;
According to this broadcast message, this terminal judges whether this terminal participates in this group and exhale, if it is not, then trigger this end
End asks this equipment of the core network to be that this active calls is in this broadband service distributing wireless resources for cells.
In conjunction with the first implementation of first aspect or the second implementation of the embodiment of the present invention,
In the third implementation of the first aspect of the embodiment of the present invention, this terminal request equipment of the core network is for being somebody's turn to do
Active calls includes in this broadband service distributing wireless resources for cells:
This terminal sends community handover request, this community by this broadband trunked base station to this broadband core networks
Handover request includes the number of this terminal, Session Description Protocol (English full name: the Session of this terminal
Description Protocol, is called for short: SDP), and the wireless position identifier of this narrowband service community is (English
LAI) and the Traffic Channel number of this narrowband service community full name: Location Area Identity, is called for short:,
So that the narrowband core net that this broadband core networks belongs to this narrowband service community sends the 3rd community switching
Preparation request, the 3rd community handover preparation request includes this number, this SDP, this LAI and this industry
Business channel number, and indicate this broadband trunked base station according to this number, this SDP and this call context are for being somebody's turn to do
Active calls distributing radio resource, this call context is sent out according to this narrowband core net by this broadband core networks
The calling identity sent (English full name: Identity, is called for short: ID) inquiry obtains, this calling ID by
This narrowband core net obtains according to this LAI and this Traffic Channel inquiry.
In conjunction with the first implementation of first aspect or the second implementation of the embodiment of the present invention,
In 4th kind of implementation of the first aspect of the embodiment of the present invention, this terminal request equipment of the core network is for being somebody's turn to do
Active calls includes in this broadband service distributing wireless resources for cells:
This terminal is belonged to this narrowband service community by the arrowband trunked base station that this narrowband service community is corresponding
Narrowband core net send community handover request, this community handover request carries number and this end of this terminal
The SDP of end, so that this narrowband core net sends the 4th community handover preparation request to this broadband core networks,
4th community handover preparation request carries this number, and this SDP and the calling ID of this active calls, this is exhaled
ID is made to inquire about the call context of this active calls for this broadband core networks, this number, this SDP and should
Call context indicates this broadband trunked base station to be that this active calls distributes wireless money for this broadband core networks
Source.
In conjunction with the first implementation of first aspect or the second implementation of the embodiment of the present invention,
In 5th kind of implementation of the first aspect of the embodiment of the present invention, this terminal request equipment of the core network is for being somebody's turn to do
Active calls includes in this broadband service distributing wireless resources for cells:
This terminal is belonged to this broadband service community by the broadband trunked base station that this broadband service community is corresponding
Broadband core networks send community handover request, so that this broadband core networks is returned to this narrowband service community
The narrowband core net belonged to sends the 5th community handover preparation request, and the 5th community handover preparation request includes
The number of this terminal, the SDP of this terminal, the LAI of this narrowband service community and this narrowband service community
Traffic Channel number, and indicate this broadband trunked base station according to including this number, in this SDP and this calling
Hereinafter this active calls distributing radio resource, this call context is by organizing ownership narrowband core net according to exhaling
Make ID inquire about and be sent to this broadband core networks, the arrowband that this calling ID is belonged to by this narrowband service community
Core net is inquired about according to this LAI and this Traffic Channel number and is sent to this group ownership narrowband core net.
In conjunction with the first implementation of first aspect or the second implementation of the embodiment of the present invention,
In 6th kind of implementation of the first aspect of the embodiment of the present invention, this terminal request equipment of the core network is for being somebody's turn to do
Active calls includes in this broadband service distributing wireless resources for cells:
The arrowband trunked base station that this terminal is belonged to by this narrowband service community belongs to this narrowband service community
Narrowband core net send community handover request, this community handover request includes number and this end of this terminal
The SDP of end, so that the calling of this active calls inquired about by the narrowband core net of this narrowband service community ownership
ID is also sent to group ownership narrowband core net, and this calling ID deserves for the ownership narrowband core net inquiry of this group
The call context of front calling, this number, this SDP and this call context refer to for this broadband core networks
Show that this broadband trunked base station is this active calls distributing radio resource.
In conjunction with the first implementation of the first aspect of the embodiment of the present invention, in the of the embodiment of the present invention
In the 7th kind of implementation on the one hand, this terminal request equipment of the core network is that this active calls is in this broadband
Serving cell distributing radio resource includes:
Whether this active calls of this terminal judges is individual calling;
If this active calls is individual calling, then this terminal is by broadband cluster base corresponding to this broadband service community
The broadband core networks to this broadband service community ownership of standing sends community handover request, so that this broadband core
The narrowband core net that heart net belongs to this narrowband service community sends the first community handover preparation request, and this is years old
One community handover preparation request includes the number of this terminal, the SDP of this terminal, this narrowband service community
The Traffic Channel number of LAI and this narrowband service community, and indicate this broadband trunked base station according to this number,
This SDP and call context are this active calls distributing radio resource, and this call context is by this arrowband core
Heart net is according to this LAI and the inquiry of this Traffic Channel number and is sent to this broadband core networks.
In conjunction with the first implementation of the first aspect of the embodiment of the present invention, in the of the embodiment of the present invention
In the 8th kind of implementation on the one hand, this terminal request equipment of the core network is that this active calls is in this broadband
Serving cell distributing radio resource includes:
Whether this active calls of this terminal judges is individual calling;
If this active calls is individual calling, then this terminal is by arrowband cluster base corresponding to this narrowband service community
The narrowband core net to this narrowband service community ownership of standing sends community handover request, so that this arrowband core
Heart net sends the second community handover preparation request to this broadband core networks, this second community handover preparation request
Carrying this number, this SDP and the call context of this active calls, this call context information is narrow by this
The inquiry of band core net obtains, this number, and this SDP and this call context indicate for this broadband core networks
This broadband trunked base station is this active calls distributing radio resource.
In conjunction with the first implementation of the first aspect of the embodiment of the present invention, in the of the embodiment of the present invention
In the 9th kind of implementation on the one hand, this terminal request equipment of the core network is that this active calls is in this broadband
Serving cell distributing radio resource includes:
This terminal is sent out to this unified fusion core net by the broadband trunked base station that this broadband service community is corresponding
Sending community handover request, this community handover request includes the number of this terminal, the SDP of this terminal, and this is narrow
LAI with Serving cell and this Traffic Channel number, so that this unified fusion core net is according to this LAI
And the call context of this Traffic Channel number this active calls of inquiry, and indicate this broadband trunked base station root
According to this number, this SDP and this call context are this active calls distributing radio resource.
In conjunction with the first implementation of the first aspect of the embodiment of the present invention, in the of the embodiment of the present invention
In the tenth kind of implementation on the one hand, this terminal request equipment of the core network is that this active calls is in this broadband
Serving cell distributing radio resource includes:
This terminal is sent out to this unified fusion core net by the arrowband trunked base station that this narrowband service community is corresponding
Sending community handover request, this community handover request includes the number of this terminal, the SDP of this terminal, so that
Obtain this unified fusion core net and inquire about the call context of this active calls, and indicate this broadband trunked base station
According to this number, this SDP and this call context are this active calls distributing radio resource.
In conjunction with the first aspect of the embodiment of the present invention, at the 11st kind of the first aspect of the embodiment of the present invention
In implementation, this terminal obtains the information of the Radio Resource of this active calls in this broadband service community
Including:
Whether this active calls of this terminal judges is that group is exhaled, the most then to receive this broadband service little for this terminal
The broadcast message that district sends;
According to this broadcast message, this terminal judges whether this terminal participates in this group and exhale, the most then this terminal connects
Receive the letter of the Radio Resource of this active calls that broadband trunked base station corresponding to this broadband service community sends
Breath.
Second aspect, the embodiment of the present invention provides a kind of terminal, and this terminal has and realizes in said method eventually
The function that end realizes.This function can be realized by hardware, it is also possible to performs corresponding software by hardware
Realize.This hardware or software include one or more module corresponding with above-mentioned functions.
In a kind of possible implementation, this terminal includes:
Calling module, for participating in active calls in narrowband service community, this terminal is in broadband service community
And all there is registration this narrowband service community;
Acquisition module, for obtaining this active calls that this calling module in this broadband service community participates in
The information of Radio Resource;
Processing module, for the information of this Radio Resource that acquires according to this acquisition module from this arrowband
Serving cell switches to this broadband service community and utilizes this Radio Resource to continue this active calls.
In alternatively possible implementation, this terminal includes:
Transceiver, processor and bus;
This transceiver, this processor is connected by this bus;
This transceiver, such as gives an order for execution:
Participate in active calls in narrowband service community, this terminal is little in broadband service community and this narrowband service
Qu Junyou registers;Obtain the wireless of this active calls that this calling module in this broadband service community participates in
The information of resource;
This processor, such as gives an order for execution:
The information of this Radio Resource acquired according to this acquisition module switches to from this narrowband service community
This broadband service community also utilizes this Radio Resource to continue this active calls.
The third aspect, the embodiment of the present invention provides a kind of cell switching method, including: equipment of the core network connects
Receive terminal request be active calls in broadband service distributing wireless resources for cells, this terminal is in narrowband service
Community participates in this active calls, and this terminal all has registration in this broadband service community and this narrowband service community;
The information of this Radio Resource is sent to this terminal by this equipment of the core network, so that this terminal can be according to this
The information of Radio Resource switches to this broadband service community from this narrowband service community and continues this active calls.
In conjunction with the third aspect of the embodiment of the present invention, in the first reality of the third aspect of the embodiment of the present invention
In existing mode, when this equipment of the core network is the broadband core networks of this broadband service community ownership, core net sets
The standby request receiving terminal is that active calls includes in broadband service distributing wireless resources for cells:
This broadband core networks receives the community handover request that this terminal is sent by this broadband trunked base station;
The narrowband core net that this broadband core networks belongs to this narrowband service community sends the first community switching standard
Standby request, this first community handover preparation request includes the number of this terminal, the conversation description association of this terminal
The business letter of view SDP, the wireless position identifier LAI of this narrowband service community and this narrowband service community
Taoist monastic name, so that this narrowband core net inquires about exhaling of this active calls according to this LAI and this Traffic Channel number
Call hereafter;
This broadband core networks receives the second community handover preparation request that this narrowband core net sends, and this is second years old
Community handover preparation request carries this number, this SDP and this call context;
This broadband core networks indicate this broadband trunked base station according to this number, this SDP and this call context
For this active calls distributing radio resource.
In conjunction with the third aspect of the embodiment of the present invention, real at the second of the third aspect of the embodiment of the present invention
In existing mode, when this equipment of the core network is the narrowband core net of this narrowband service community ownership, core net sets
The standby request receiving terminal is that active calls includes in broadband service distributing wireless resources for cells:
This narrowband core net is received this terminal and is sent by the arrowband trunked base station that this narrowband service community is corresponding
Community handover request;
This narrowband core net sends the 3rd community handover preparation request, the 3rd community to this broadband core networks
Handover preparation request carries the number of this terminal, the SDP of this terminal and the call context of this active calls,
This call context information is obtained, so that this broadband core networks indicates this width by the inquiry of this narrowband core net
Band trunked base station is according to this number, and this SDP and this call context are this active calls distributing radio resource.
In conjunction with the third aspect of the embodiment of the present invention, in the third reality of the third aspect of the embodiment of the present invention
In existing mode, when this equipment of the core network is unified fusion core net, equipment of the core network receives the request of terminal
Include in broadband service distributing wireless resources for cells for active calls:
This unified fusion core net receives this terminal by broadband trunked base station corresponding to this broadband service community
The community handover request sent, this community handover request includes the number of this terminal, the SDP of this terminal,
The LAI of this narrowband service community and the Traffic Channel number of this narrowband service community;
This unified fusion core net inquires about the calling of this active calls according to this LAI and this Traffic Channel number
Context;
This unified fusion core net indicate this broadband trunked base station according to this number, in this SDP and this calling
Hereinafter this active calls distributing radio resource.
In conjunction with the third aspect of the embodiment of the present invention, in the 4th kind of reality of the third aspect of the embodiment of the present invention
In existing mode, when this equipment of the core network is unified fusion core net, equipment of the core network receives the request of terminal
Include in broadband service distributing wireless resources for cells for active calls:
This unified fusion core net receives this terminal by arrowband trunked base station corresponding to this narrowband service community
The community handover request sent, this community handover request includes the number of this terminal, the SDP of this terminal;
This unified fusion core net inquires about the call context of this active calls;
This unified fusion core net indicate this broadband trunked base station according to this number, in this SDP and this calling
Hereinafter this active calls distributing radio resource.
In conjunction with the third aspect of the embodiment of the present invention, in the 5th kind of reality of the third aspect of the embodiment of the present invention
In existing mode, when this equipment of the core network is the broadband core networks of this broadband service community ownership, core net sets
The standby request receiving terminal is that active calls includes in broadband service distributing wireless resources for cells:
This broadband core networks receives the community handover request that this terminal is sent by this broadband trunked base station, should
Community handover request includes the number of this terminal, the SDP of this terminal, the LAI of this narrowband service community with
And the Traffic Channel number of this narrowband service community;
The narrowband core net that this broadband core networks belongs to this narrowband service community sends the 4th community switching standard
Standby request, the 4th community handover preparation request includes this number, this SDP, this LAI and this business
Channel number, so that this narrowband core net inquires about this active calls according to this LAI and this Traffic Channel number
Calling identity ID;
This broadband core networks receive this narrowband core net send the 5th community handover preparation request, the 5th
Community handover preparation request carries this number, this SDP and this calling ID;
This broadband core networks inquires about the call context of this active calls according to this calling ID;
This broadband core networks indicate this broadband trunked base station according to this number, this SDP and this call context
For this active calls distributing radio resource.
In conjunction with the third aspect of the embodiment of the present invention, in the 6th kind of reality of the third aspect of the embodiment of the present invention
In existing mode, when this equipment of the core network is the narrowband core net of this narrowband service community ownership, core net sets
The standby request receiving terminal is that active calls includes in broadband service distributing wireless resources for cells:
This narrowband core net is received this terminal and is sent by the arrowband trunked base station that this narrowband service community is corresponding
Community handover request, this community handover request carries the number of this terminal and the SDP of this terminal;
The broadband core networks that this narrowband core net belongs to this broadband service community sends the 6th community switching standard
For request, the 6th community handover preparation request carries this number, this SDP and the calling of this active calls
Identity ID so that this broadband core networks indicate this broadband trunked base station according to this number, this SDP
Being this active calls distributing radio resource with this call context, this call context is this broadband core networks
Inquire about this active calls according to this calling ID to obtain.
In conjunction with the third aspect of the embodiment of the present invention, in the 7th kind of reality of the third aspect of the embodiment of the present invention
In existing mode, when this equipment of the core network is the broadband core networks of this broadband service community ownership, core net sets
The standby request receiving terminal is that active calls includes in broadband service distributing wireless resources for cells:
This broadband core networks is received this terminal and is sent by the broadband trunked base station that this broadband service community is corresponding
Community handover request;
The narrowband core net that this broadband core networks belongs to this narrowband service community sends the switching of this seven cell
Preparation request, this seven cell handover preparation request includes the number of this terminal, the SDP of this terminal, should
The LAI of narrowband service community and the Traffic Channel number of this narrowband service community, so that this narrowband service
The narrowband core net of community ownership sends the 8th community handover preparation request to group ownership narrowband core net, should
8th community handover preparation request includes this number, and this SDP and calling ID, this calling ID is by this arrowband
The narrowband core net of Serving cell ownership obtains according to this LAI and this Traffic Channel inquiry;
This broadband core networks receives the 9th community handover preparation request that this group ownership narrowband core net sends,
9th community handover preparation request includes this number, this SDP and call context, this call context
Obtained according to this calling ID inquiry by this group ownership narrowband core net;
This broadband core networks indicate this broadband trunked base station according to this number, this SDP and this call context
For this active calls distributing radio resource.
In conjunction with the third aspect of the embodiment of the present invention, in the 8th kind of reality of the third aspect of the embodiment of the present invention
In existing mode, when this equipment of the core network is the narrowband core net of this narrowband service community ownership, core net sets
The standby request receiving terminal is that active calls includes in broadband service distributing wireless resources for cells:
The narrowband core net of this narrowband service community ownership is received this terminal and is belonged to by this narrowband service community
The community handover request that sends of arrowband trunked base station, this community handover request include this terminal number and
The SDP of this terminal;
The calling ID of this active calls inquired about by the narrowband core net of this narrowband service community ownership;
The narrowband core net of this narrowband service community ownership sends the tenth community to group ownership narrowband core net and cuts
Changing preparation request, the tenth community handover preparation request carries the number of this terminal, the SDP of this terminal and
This calling ID, so that the broadband core networks that this group ownership narrowband core net belongs to this broadband service community
Sending the 11st community handover preparation request, the 11st community handover preparation request includes this number, should
SDP and this call context, this call context is looked into according to this calling ID by this group ownership narrowband core net
Inquiry obtains, this number, and this SDP and this call context indicate this broadband cluster for this broadband core networks
Base station is this active calls distributing radio resource.
Fourth aspect, the embodiment of the present invention provides a kind of equipment of the core network, and this equipment of the core network has realization
The function that in said method, equipment of the core network realizes.This function can be realized by hardware, it is also possible to passes through
Hardware performs corresponding software and realizes.This hardware or software include one or more corresponding with above-mentioned functions
Module.
In a kind of possible implementation, this equipment of the core network includes:
Distribution module, is that active calls distributes wireless money in broadband service community for receiving the request of terminal
Source, this terminal participates in this active calls in narrowband service community, and this terminal is in this broadband service community and is somebody's turn to do
All there is registration narrowband service community;
Sending module, for being sent to this terminal by the information of this Radio Resource, so that this terminal is permissible
Information according to this Radio Resource switches to this broadband service community from this narrowband service community, and to continue this current
Calling.
In alternatively possible implementation, this equipment of the core network includes:
Transceiver, processor and bus;
This transceiver is connected by this bus with this processor;
This processor, such as gives an order for execution: the request receiving terminal is that active calls is in broadband service
Distributing wireless resources for cells, this terminal participates in this active calls in narrowband service community, and this terminal is at this width
Band Serving cell and narrowband service community are all registered;
This transceiver, such as gives an order for execution: by the letter of this Radio Resource that this processing module gets
Breath is sent to this terminal, so that this terminal is cut from this narrowband service community according to the information of this Radio Resource
Shift to this broadband service community and continue this active calls.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In the embodiment of the present invention, the terminal participating in active calls in narrowband service community can obtain broadband clothes
The information of Radio Resource of active calls present in business community, can be from according to the information of this Radio Resource
Narrowband service community switches to broadband service community and this Radio Resource of profit continues active calls, by above-mentioned
Scheme so that dual-mode terminal can be switched to broadband service community from narrowband service community, continues holding and exhales
Cry, it is to avoid call drop.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to required in embodiment
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is a structural representation of the network architecture of gateway interconnection;
Fig. 2 is a structural representation of the network architecture of unified fusion;
Fig. 3 is one schematic flow sheet of embodiment of the present invention cell switching method;
Fig. 4 is one Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Fig. 5 is another Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Fig. 6 is another Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Fig. 7 is another Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Fig. 8 is another Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Fig. 9 is another Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Figure 10 is another Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Figure 11 is another Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Figure 12 is another Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Figure 13 is another Signalling exchange schematic diagram of embodiment of the present invention cell switching method;
Figure 14 is one structural representation of embodiment of the present invention terminal;
Figure 15 is another structural representation of embodiment of the present invention terminal;
Figure 16 is a structural representation of embodiment of the present invention equipment of the core network;
Figure 17 is another structural representation of embodiment of the present invention equipment of the core network.
Detailed description of the invention
Embodiments provide a kind of cell switching method and terminal, for realizing from broadband cell
Switching toward community, arrowband, it is to avoid call drop.
" first ", " second " that the description and claims of this application and above-mentioned accompanying drawing relate to, "
Three ", " the 4th " (if present) etc. be for distinguishing similar object, specific without being used for describing
Order or precedence.Should be appreciated that the data of so use can be exchanged in the appropriate case, in order to this
In describe embodiment can with in addition to the content except here illustrating or describe order implement.Additionally,
Term " includes " and " having " and their any deformation, it is intended that cover non-exclusive comprising, such as,
Contain series of steps or the process of unit, method, system, product or equipment are not necessarily limited to clearly
Those steps listed or unit, but can include the most clearly listing or for these processes, side
Other step that method, product or equipment are intrinsic or unit.
The cell switching method that the embodiment of the present invention provides can apply to the network architecture of gateway interconnection, also
Can apply to the network architecture of unified fusion.The terminal being previously mentioned in the embodiment of the present invention is for support simultaneously
Broadband system and the dual-mode terminal of narrowband systems, terminal is in dual standby mode, and i.e. terminal is simultaneously in broadband
Serving cell and narrowband service cell registration at net, and terminal passes through narrowband service community and participates in one
Calling (individual calling or group are exhaled).The cell switching method that the embodiment of the present invention provides so that terminal can be from
Narrowband service community is switched to broadband Target cell, continues to keep calling, it is to avoid call drop.The present invention implements
The terminal being previously mentioned in example can be that intercom can also be for mobile phone.
Below by specific embodiment, it is described in detail respectively, refers to Fig. 3, the embodiment of the present invention
A kind of cell switching method is provided, including:
301, terminal participates in active calls in narrowband service community, and this terminal is in broadband service community and this is narrow
Band Serving cell is all registered.
This terminal initiates active calls in this narrowband service community, and this terminal is cluster dual-mode terminal.I.e.
This terminal can be conversed in broadband service community, it is also possible to converses in narrowband service community.
302, terminal obtains the information of the Radio Resource of active calls present in this broadband service community.
Terminal can monitor the letter of group system current service cell, arrowband (i.e. narrowband service community) simultaneously
Number quality (such as can weigh according to received signal strength indicator RSSI or error rate BER) and broadband
The signal quality of group system current service cell (i.e. broadband service community) (such as can be according to reference to letter
Number receive power RSRP or Reference Signal Received Quality RSRQ weigh), by default decision algorithm
Judge currently whether meet switching condition, such as, preset less than first when the signal quality of narrowband service community
Threshold value, and the signal quality of broadband service community is higher than the second predetermined threshold value, then it is assumed that meet switching condition,
Second predetermined threshold value is more than or equal to the first predetermined threshold value.
Determine meet switching condition and determine that needs switch time, terminal needs to obtain in broadband service community
The information of the Radio Resource of the active calls existed.
Wherein, distribute before present in broadband service community, the Radio Resource of active calls can be switching
(such as active calls is that group is exhaled, and has the most participated in active calls in this broadband service community);
Or present in broadband service community the Radio Resource of active calls be switching time distribute in real time (such as
Broadband service has neither part nor lot in current group and exhales or time active calls is individual calling, the broadband core of broadband service community ownership
Heart net, after the request receiving terminal, controls the broadband trunked base station that broadband service community is corresponding, at width
Band Serving cell is active calls distributing radio resource in real time).
Present in broadband service community, the information of the Radio Resource of active calls can include Radio Resource control
(English full name: Radio Resource Control, is called for short: RRC) configuration parameter (includes radio chains system
(English full name: Radio Link Control, is called for short: RLC) parameter, media interviews circuit control layer agreement
Control (English full name: Media Access Control, be called for short: MAC) parameter and physical layer parameter),
UE metrical information etc..
303, terminal switches to this broadband service according to the information of this Radio Resource from this narrowband service community
Community also utilizes this Radio Resource to continue this active calls.
This terminal, after the information acquiring this Radio Resource, will switch to this from narrowband service community
Broadband service community.
Description based on said method is it is understood that in 302 steps, if broadband service community
Present in the Radio Resource of active calls be distribution before switching, and broadband service community has participated in working as
Front group is exhaled, then the method for the information that terminal obtains this Radio Resource is as follows: terminal is directly by this broadband
The message of the broadcast of eating dishes without rice or wine of Serving cell obtains the information of this Radio Resource.
The most several embodiments are discussed in detail when the Radio Resource of the active calls in broadband service community is for cutting
Distribute in real time when changing time, terminal obtains the method for the information of this Radio Resource.Wherein Fig. 4 to Fig. 9 pair
Answer the network structure that gateway interconnects, the network architecture of Figure 10 to Figure 13 correspondence unified fusion.
Referring initially to Fig. 4, in the present embodiment, this Radio Resource is the broadband that this broadband service community is corresponding
Trunked base station distributes for this active calls in real time when switching, and this broadband trunked base station is controlled by this broadband
The broadband core networks of Serving cell ownership, active calls is that group is exhaled, and group ownership narrowband core net, terminal is worked as
Before be in narrowband service community, active calls is continued in broadband service community to be switched to, and terminal is taken by arrowband
Handover request is initiated in business community, and concrete grammar includes:
Terminal, after determining and needing to carry out community switching, is sent out to narrowband core net by this arrowband trunked base station
Playing community handover request P_HANDOVER, this P_HANDOVER can carry the user of this terminal
Number and the relevant parameter of Session Description Protocol SDP;
The narrowband core net of this narrowband service community ownership is inquired about according to the Traffic Channel residing for this terminal and is deserved
The calling identity ID of front calling, and send community handover preparation request to group ownership narrowband core net,
Call context (the such as caller of this active calls inquired about by this group ownership narrowband core net according to this calling ID
Number 15708971878, called sets of numbers 18908157150, type of call, the information such as call property);
This group belongs to narrowband core Netcom and crosses gateway to broadband core networks transmission community handover preparation request PSIP
PREPARE, this PSIP PREPARE carry this number, and this SDP and this call context (should
Calling number, called sets of numbers, type of call, the information such as call property);
This PSIP PREPARE is converted to SIP (REFER) signaling and mails to this broadband core networks by this gateway,
This SIP (REFER) signaling carries this SDP, this number and this call context (this calling number,
Called sets of numbers, type of call, the information such as call property);
This broadband core networks by the broadband trunked base station that controlled by this broadband core networks of instruction according to this number,
This SDP and this call context are this active calls distributing radio resource;
This broadband core networks sends feedback message SIP 200OK signaling to gateway;
This SIP 200OK Signalling conversion is that feedback message PSIP 200OK signaling is sent to this by this gateway
Group ownership narrowband core net, PSIP 200OK signaling is sent to this arrowband by this group ownership narrowband core net
The narrowband core net of Serving cell ownership;
This terminal receives Group Call Config message (this message bearing of this broadband trunked base station broadcast
The NAS message GROUP CALL SETUP INDICATION that this broadband core networks sends), obtain
This broadband trunked base station is the information of the Radio Resource of this active calls distribution;
It is little that this terminal switches to this broadband service according to the information of this Radio Resource from this narrowband service community
District, and utilize this Radio Resource transceiving data to continue this active calls.
Referring to Fig. 5, in the present embodiment, this Radio Resource is the broadband cluster that this broadband service community is corresponding
Base station is distributed for this active calls in real time when switching, and this broadband trunked base station is controlled by this broadband service
The broadband core networks of community ownership;This active calls is that group is exhaled, group ownership broadband core networks;Terminal is current
Being in narrowband service community, active calls is continued in broadband service community to be switched to, and terminal is by narrowband service
Handover request is initiated in community, and concrete grammar includes:
Terminal, after determining and needing to carry out community switching, is sent out to narrowband core net by this arrowband trunked base station
Playing community handover request P_HANDOVER, this P_HANDOVER can carry the user of this terminal
Number and the relevant parameter of Session Description Protocol SDP;
This narrowband core net inquires about the calling identity mark of this active calls according to the Traffic Channel residing for this terminal
Know ID;
This narrowband core Netcom crosses gateway and sends community handover preparation request PSIP to broadband core networks
PREPARE, this PSIP PREPARE carry this calling ID, the number of this terminal and this terminal
SDP;
This PSIP PREPARE is converted to SIP (REFER) signaling and mails to this broadband core networks by this gateway,
This SIP (REFER) signaling carries this calling ID, the number of this terminal and the SDP of this terminal;
This broadband core networks inquires about the call context of this active calls according to this calling ID;
This broadband core networks by the broadband trunked base station that controlled by this broadband core networks of instruction according to this number,
This SDP and this call context are this active calls distributing radio resource;
This broadband core networks feeds back SIP 200OK signaling to gateway;
This SIP 200OK Signalling conversion is that PSIP 200OK signaling is sent to this narrowband core by this gateway
Net;
This terminal receives Group Call Config message (this message bearing of this broadband trunked base station broadcast
The NAS message GROUP CALL SETUP INDICATION that this broadband core networks sends), obtaining should
Broadband trunked base station is the information of the Radio Resource of this active calls distribution;
It is little that this terminal switches to this broadband service according to the information of this Radio Resource from this narrowband service community
District, and utilize this Radio Resource transceiving data to continue this active calls.
Referring to Fig. 6, in the present embodiment, this Radio Resource is the broadband cluster that this broadband service community is corresponding
Base station is distributed for this active calls in real time when switching, and this broadband trunked base station is controlled by this broadband service
The broadband core networks of community ownership;This active calls is that group is exhaled, group ownership broadband core networks;Terminal is current
Being in narrowband service community, active calls is continued in broadband service community to be switched to, and terminal is by broadband service
Handover request is initiated in community, and concrete grammar includes:
Terminal, after determining and needing to carry out community switching, is broadcasted to broadband core networks by broadband trunked base station
Community handover request TRUNKING HANDOVER REQUEST, carries the number of this terminal, should
The SDP of terminal, the LAI of this narrowband service community and the Traffic Channel number of this narrowband service community;
This broadband core networks sends community handover preparation request SIP by gateway to this narrowband core net
REFER, this SIP REFER carry the number of this terminal, the SDP of this terminal, and this narrowband service is little
The LAI in district and the Traffic Channel number of this narrowband service community;
This SIP REFER is converted to PSIP PREPARE signaling and mails to this narrowband core net by this gateway,
This signaling carries the number into this terminal, the SDP parameter of this terminal, the LAI of this narrowband service community and
The Traffic Channel number of this narrowband service community;
This narrowband core net LAI according to this narrowband service community and the Traffic Channel of this narrowband service community
Number inquire about this active calls calling ID;
This narrowband core Netcom crosses this gateway and sends community handover preparation request PSIP to this broadband core networks
PREPARE, this PSIP PREPARE carry the number of this terminal, the SDP of this terminal and this calling ID;
This broadband core networks inquires about context (this calling number, the quilt of this active calls according to this calling ID
It is the information such as sets of numbers, type of call, call property);
This broadband core networks by the broadband trunked base station that controlled by this broadband core networks of instruction according to this number,
This SDP and this call context are this active calls distributing radio resource;
This terminal receives Group Call Config message (this message bearing of this broadband trunked base station broadcast
The NAS message GROUP CALL SETUP INDICATION that this broadband core networks sends), obtaining should
Broadband trunked base station is the information of the Radio Resource of this active calls distribution;
It is little that this terminal switches to this broadband service according to the information of this Radio Resource from this narrowband service community
District, and utilize this Radio Resource transceiving data to continue this active calls.
Referring to Fig. 7, in the present embodiment, this Radio Resource is the broadband cluster that this broadband service community is corresponding
Base station is distributed for this active calls in real time when switching, and this broadband trunked base station is controlled by this broadband service
The broadband core networks of community ownership;This active calls is that group is exhaled, group ownership narrowband core net;Terminal is current
Being in narrowband service community, active calls is continued in broadband service community to be switched to, and terminal is by broadband service
Handover request is initiated in community, and concrete grammar includes:
Terminal, after determining and needing to carry out community switching, is broadcasted to broadband core networks by broadband trunked base station
TRUNKING HANDOVER REQUEST, carries the number of this terminal, the SDP of this terminal,
The LAI of this narrowband service community and the Traffic Channel number of this narrowband service community;
This broadband core networks sends community by the narrowband core net that gateway belongs to this narrowband service community and cuts
Changing preparation request SIP REFER, this SIP REFER carries the number of this terminal, the SDP of this terminal,
The LAI of this narrowband service community and the Traffic Channel number of this narrowband service community;
This SIP REFER is converted to PSIP PREPARE signaling and mails to this narrowband service community by this gateway
This narrowband core net of ownership, this signaling carries the number into this terminal, the SDP of this terminal, this arrowband
The LAI of Serving cell and the Traffic Channel number of this narrowband service community;
This narrowband core net of this narrowband service community ownership is narrow with this according to the LAI of this narrowband service community
Traffic Channel number with Serving cell inquires about the calling ID of this active calls, and this calling ID is sent to this
Group ownership narrowband core net;
Context (this caller number of this active calls inquired about by this group ownership narrowband core net according to this calling ID
Code, called sets of numbers, type of call, the information such as call property);
This group belongs to narrowband core Netcom and crosses gateway to this broadband core networks transmission community handover preparation request
PSIP PREPARE, this PSIP PREPARE carry the number of this terminal, the SDP of this terminal and should
Call context (this calling number, called sets of numbers, type of call, the information such as call property);
This PSIP PREPARE is converted to SIP (REFER) signaling and mails to this broadband core networks by this gateway,
This SIP (REFER) signaling carries the number of this terminal, the SDP of this terminal and this call context
(this calling number, called sets of numbers, type of call, the information such as call property);
The broadband trunked base station that instruction is controlled by this broadband core networks by this broadband core networks is according to this terminal
Number, the SDP of this terminal and this call context are this active calls distributing radio resource;
This broadband core networks feeds back SIP 200OK signaling to gateway;
This gateway by this SIP 200OK Signalling conversion be PSIP 200OK signaling be sent to this group ownership narrow
Band core net, it is little that this PSIP 200OK signaling is sent to this narrowband service by this group ownership narrowband core net
The narrowband core net of district's ownership;
This terminal receives Group Call Config message (this message bearing of this broadband trunked base station broadcast
The NAS message GROUP CALL SETUP INDICATION that this broadband core networks sends), obtaining should
Broadband trunked base station is the information of the Radio Resource of this active calls distribution;
It is little that this terminal switches to this broadband service according to the information of this Radio Resource from this narrowband service community
District, and utilize this Radio Resource transceiving data to continue this active calls.
Referring to Fig. 8, in the present embodiment, this Radio Resource is the broadband cluster that this broadband service community is corresponding
Base station is distributed for this active calls in real time when switching, and this broadband trunked base station is controlled by this broadband service
The broadband core networks of community ownership;This active calls is individual calling;Terminal is currently at narrowband service community,
Active calls is continued in broadband service community to be switched to, and terminal is initiated handover request by broadband service community,
Concrete grammar includes:
Terminal, after determining and needing to carry out community switching, is broadcasted to broadband core networks by broadband trunked base station
TRUNKING HANDOVER REQUEST, carries the number of this terminal, the SDP of this terminal,
The LAI of this narrowband service community and the Traffic Channel number of this narrowband service community;
This broadband core networks sends community handover preparation request SIP by gateway to this narrowband core net
REFER, this SIP REFER carry the number of this terminal, the SDP of this terminal, and this narrowband service is little
The LAI in district and the Traffic Channel number of this narrowband service community;
This SIP REFER is converted to PSIP PREPARE signaling and mails to this narrowband core net by this gateway,
This signaling carries the number into this terminal, the SDP of this terminal, and the LAI of this narrowband service community is narrow with this
Traffic Channel number with Serving cell;
This narrowband core net LAI according to this narrowband service community and the Traffic Channel of this narrowband service community
Number inquire about this active calls context (this calling number, called sets of numbers, type of call, calling belong to
The information such as property);
This narrowband core Netcom crosses gateway and sends community handover preparation request PSIP to broadband core networks
PREPARE, this PSIP PREPARE carry the number of this terminal, the SDP of this terminal and this calling
Context (this calling number, called sets of numbers, type of call, the information such as call property);
This PSIP PREPARE is converted to SIP (REFER) signaling and mails to this broadband core networks by this gateway,
This SIP (REFER) signaling carries the number of this terminal, the SDP of this terminal and this call context
(this calling number, called sets of numbers, type of call, the information such as call property);
The broadband trunked base station that instruction is controlled by this broadband core networks by this broadband core networks is according to this terminal
Number, the SDP of this terminal and this call context are this active calls distributing radio resource;
This terminal receives the RRC connection reallocation message RRC Connection that this broadband trunked base station sends
Reconfig, obtains the information of the Radio Resource that this broadband trunked base station is the distribution of this active calls;
This terminal sends RRC connection to this broadband trunked base station and heavily joins completion message RRC Connection
Reconfig Complete the information according to this Radio Resource switch to this broadband from this narrowband service community
Serving cell, and utilize this Radio Resource transceiving data to continue this active calls;
This broadband core networks completes to gateway feedback SIP 200OK signaling instruction switching;
This SIP 200OK Signalling conversion is that PSIP 200OK signaling is sent to this narrowband core by this gateway
Net.
Referring to Fig. 9, in the present embodiment, this Radio Resource is the broadband cluster that this broadband service community is corresponding
Base station is distributed for this active calls in real time when switching, and this broadband trunked base station is controlled by this broadband service
The broadband core networks of community ownership;This active calls is individual calling;Terminal is currently at narrowband service community,
Active calls is continued in broadband service community to be switched to, and terminal is initiated handover request by narrowband service community,
Concrete grammar includes:
Terminal, after determining and needing to carry out community switching, is sent out to narrowband core net by this arrowband trunked base station
Playing community handover request P_HANDOVER, this P_HANDOVER can carry the user of this terminal
Number and the relevant parameter of Session Description Protocol SDP;
Call context (the such as calling number of this active calls inquired about by this narrowband core net
15708971878, called sets of numbers 18908157150, type of call, the information such as call property);
This narrowband core Netcom crosses gateway and sends community handover preparation request PSIP to broadband core networks
PREPARE, this PSIP PREPARE carry the number of this terminal, the SDP of this terminal and this calling
Context (this calling number, called sets of numbers, type of call, the information such as call property);
This PSIP PREPARE is converted to SIP (REFER) signaling and mails to this broadband core networks by this gateway,
This SIP (REFER) signaling carries the number of this terminal, the SDP of this terminal and this call context
(this calling number, called sets of numbers, type of call, the information such as call property);
The broadband trunked base station that instruction is controlled by this broadband core networks by this broadband core networks is according to this terminal
Number, the SDP of this terminal and this call context are this active calls distributing radio resource;
This terminal receives the RRC connection reallocation message RRC Connection that this broadband trunked base station sends
Reconfig, obtains the information of the Radio Resource that this broadband trunked base station is the distribution of this active calls;
RRC connects and heavily joins completion message RRC Connection Reconfig Complete wireless according to this
The information of resource switches to this broadband service community from this narrowband service community, and utilizes this Radio Resource to receive
Send out data and continue this active calls;
This broadband core networks completes to gateway feedback SIP 200OK signaling instruction switching;
This SIP 200OK Signalling conversion is that PSIP 200OK signaling is sent to this narrowband core by this gateway
Net.
Referring to Figure 10, in the present embodiment, this Radio Resource is the broadband collection that this broadband service community is corresponding
Group base station is distributed for this active calls in real time when switching, and this broadband trunked base station is controlled by this unification and melts
Close core net;This active calls is that group is exhaled;Terminal is currently at narrowband service community, broadband to be switched to
Serving cell continues active calls, and terminal is initiated handover request by narrowband service community, and concrete grammar includes:
Terminal is after determining and needing to carry out community switching, by this arrowband trunked base station to unified fusion core
Community handover request P_HANDOVER initiated by net, and this P_HANDOVER can carry this terminal
Subscriber Number and the relevant parameter of Session Description Protocol SDP;
This unified fusion core net is inquired about in the calling of this active calls according to the Traffic Channel residing for this terminal
Hereafter;
This unified fusion core net by instruction by this unified fusion core net control broadband trunked base station according to
The number of this terminal, the SDP of this terminal and this call context are this active calls distributing radio resource;
This terminal receives Group Call Config message (this message bearing of this broadband trunked base station broadcast
The NAS message GROUP CALL SETUP INDICATION that this broadband core networks sends), obtaining should
Broadband trunked base station is the information of the Radio Resource of this active calls distribution;
It is little that this terminal switches to this broadband service according to the information of this Radio Resource from this narrowband service community
District, and utilize this Radio Resource transceiving data to continue this active calls.
Referring to Figure 11, in the present embodiment, this Radio Resource is the broadband collection that this broadband service community is corresponding
Group base station is distributed for this active calls in real time when switching, and this broadband trunked base station is controlled by this unification and melts
Close core net;This active calls is that group is exhaled;Terminal is currently at narrowband service community, broadband to be switched to
Serving cell continues active calls, and terminal is initiated handover request by broadband service community, and concrete grammar includes:
Terminal is after determining and needing to carry out community switching, by broadband trunked base station to unified fusion core net
Broadcast TRUNKING HANDOVER REQUEST, carries the number of this terminal, the SDP of this terminal
The Traffic Channel number of parameter, the LAI of this narrowband service community and this narrowband service community;
This LAI of Traffic Channel that this unified fusion core net is somebody's turn to do according to this terminal and this Traffic Channel number are inquired about
The context of this active calls (this calling number, called sets of numbers, type of call, believe by call property etc.
Breath);
This unified fusion core net by instruction by this unified fusion core net control broadband trunked base station according to
The number of this terminal, the SDP parameter of this terminal and this call context are that this active calls distributes wireless money
Source;
This terminal receives Group Call Config message (this message bearing of this broadband trunked base station broadcast
The NAS message GROUP CALL SETUP INDICATION that this broadband core networks sends), obtaining should
Broadband trunked base station is the information of the Radio Resource of this active calls distribution;
It is little that this terminal switches to this broadband service according to the information of this Radio Resource from this narrowband service community
District, and utilize this Radio Resource transceiving data to continue this active calls.
Referring to Figure 12, in the present embodiment, this Radio Resource is the broadband collection that this broadband service community is corresponding
Group base station is distributed for this active calls in real time when switching, and this broadband trunked base station is controlled by this unification and melts
Close core net;This active calls is individual calling;Terminal is currently at narrowband service community, broadband to be switched to
Serving cell continues active calls, and terminal is initiated handover request by narrowband service community, and concrete grammar includes:
Terminal is after determining and needing to carry out community switching, by this arrowband trunked base station to unified fusion core
Community handover request P_HANDOVER initiated by net, and this P_HANDOVER can carry this terminal
Subscriber Number and the relevant parameter of Session Description Protocol SDP;
This unified fusion core net is inquired about in the calling of this active calls according to the Traffic Channel residing for this terminal
Hereafter (such as calling number 15708971878, called sets of numbers 18908157150, type of call, exhale
It is the information such as attribute);
This unified fusion core net by instruction by this unified fusion core net control broadband trunked base station according to
The number of this terminal, the SDP parameter of this terminal and this call context are that this active calls distributes wireless money
Source;
This terminal receives the RRC connection reallocation message RRC Connection that this broadband trunked base station sends
Reconfig, obtains the information of the Radio Resource that this broadband trunked base station is the distribution of this active calls;
This terminal sends RRC connection to this broadband trunked base station and heavily joins completion message RRC Connection
Reconfig Complete the information according to this Radio Resource switch to this broadband from this narrowband service community
Serving cell, and utilize this Radio Resource transceiving data to continue this active calls.
Referring to Figure 13, in the present embodiment, this Radio Resource is the broadband collection that this broadband service community is corresponding
Group base station is distributed for this active calls in real time when switching, and this broadband trunked base station is controlled by this unification and melts
Close core net;This active calls is individual calling;Terminal is currently at narrowband service community, broadband to be switched to
Serving cell continues active calls, and terminal is initiated handover request by broadband service community, and concrete grammar includes:
Terminal is after determining and needing to carry out community switching, by broadband trunked base station to unified fusion core net
Broadcast TRUNKING HANDOVER REQUEST, carries the number of this terminal, the SDP of this terminal
The Traffic Channel number of parameter, the LAI of this narrowband service community and this narrowband service community;
This unified fusion core net inquires about the context of this active calls according to this LAI and this Traffic Channel number
(this calling number, called sets of numbers, type of call, the information such as call property);
This unified fusion core net by instruction by this unified fusion core net control broadband trunked base station according to
The number of this terminal, the SDP parameter of this terminal and this call context are that this active calls distributes wireless money
Source;
This terminal receives the RRC connection reallocation message RRC Connection that this broadband trunked base station sends
Reconfig, obtains the information of the Radio Resource that this broadband trunked base station is the distribution of this active calls;
This terminal sends RRC connection to this broadband trunked base station and heavily joins completion message RRC Connection
Reconfig Complete the information according to this Radio Resource switch to this broadband from this narrowband service community
Serving cell, and utilize this Radio Resource transceiving data to continue this active calls.
In the present embodiment, it is little that the terminal at narrowband service community participation active calls can obtain broadband service
The information of the Radio Resource of active calls present in district, the information according to this Radio Resource can be from arrowband
Serving cell switches to broadband service community and this Radio Resource of profit continues active calls, by above-mentioned side
Case so that dual-mode terminal can be switched to broadband service community from narrowband service community, continues holding and exhales
Cry, it is to avoid call drop.
Terminal that the embodiment of the present invention provide being described below, specifically refers to shown in Figure 14, the present embodiment carries
The terminal 1400 of confession includes:
Calling module 1401, for participating in active calls in narrowband service community, this terminal is in broadband service
All there is registration community and this narrowband service community;
Acquisition module 1402, for obtain that this calling module in this broadband service community participates in this is current
The information of the Radio Resource of calling;
Processing module 1403, for the information of this Radio Resource that acquires according to this acquisition module from this
Narrowband service community switches to this broadband service community and utilizes this Radio Resource to continue this active calls.
Optionally, this acquisition module 1402 includes:
Request unit, being used for asking equipment of the core network is that this active calls distributes nothing in this broadband service community
Line resource;
First acquiring unit, for receiving being somebody's turn to do of broadband trunked base station transmission corresponding to this broadband service community
The information of Radio Resource.
Optionally, this acquisition module 1402 also includes:
First judging unit, is used for judging whether this active calls is that group is exhaled, the most then this terminal receives
The broadcast message that this broadband service community sends;
According to this this broadcast message of the first judging unit, second judging unit, for judging whether this terminal joins
Exhale with this group, if it is not, then triggering this equipment of the core network of request is that this active calls is in this broadband service community
Distributing radio resource.
Optionally, this request unit includes:
First processes subelement, cuts for sending community by this broadband trunked base station to this broadband core networks
Changing request, this community handover request includes the number of this terminal, the SDP of this terminal, and this narrowband service is little
The LAI in district and the Traffic Channel number of this narrowband service community, so that this broadband core networks is to this arrowband
The narrowband core net of Serving cell ownership sends the 3rd community handover preparation request, the 3rd community switching standard
Standby request includes this number, this SDP, this LAI and this Traffic Channel number, and indicates this broadband cluster
Base station is according to this number, and this SDP and this call context are this active calls distributing radio resource, and this is exhaled
Call the calling identity ID hereafter sent according to this narrowband core net by this broadband core networks to inquire about
Arriving, this calling ID is obtained according to this LAI and this Traffic Channel inquiry by this narrowband core net.
Optionally, this request unit includes:
Second processes subelement, is used for the arrowband trunked base station by this narrowband service community is corresponding narrow to this
Narrowband core net with Serving cell ownership sends community handover request, and this community handover request carries this end
The number of end and the SDP of this terminal, so that this narrowband core net is little to the transmission the 4th of this broadband core networks
District's handover preparation request, the 4th community handover preparation request carries this number, this SDP and this currently exhale
The calling identity ID cried, this calling ID inquire about the calling of this active calls for this broadband core networks
Context, this number, this SDP and this call context indicate this broadband cluster for this broadband core networks
Base station is this active calls distributing radio resource.
Optionally, this request unit includes:
3rd processes subelement, for the broadband trunked base station corresponding by this broadband service community to this width
Broadband core networks with Serving cell ownership sends community handover request, so that this broadband core networks is to this
The narrowband core net of narrowband service community ownership sends the 5th community handover preparation request, and the 5th community is cut
Change preparation request and include the number of this terminal, the SDP of this terminal, the LAI of this narrowband service community and
The Traffic Channel number of this narrowband service community, and indicate this broadband trunked base station according to including this number, it is somebody's turn to do
SDP and this call context are this active calls distributing radio resource, and this call context is narrow by organizing ownership
Band core net is inquired about according to calling ID and is sent to this broadband core networks, and this calling ID is by this narrowband service
The narrowband core net of community ownership is inquired about according to this LAI and this Traffic Channel number and is sent to this group ownership
Narrowband core net.
Optionally, this request unit includes:
Fourth process subelement, for narrow to this by the arrowband trunked base station of this narrowband service community ownership
Narrowband core net with Serving cell ownership sends community handover request, and this community handover request includes this end
The number of end and the SDP of this terminal, so that the narrowband core net inquiry of this narrowband service community ownership should
The calling ID of active calls is also sent to group ownership narrowband core net, and this calling ID is narrow for this group ownership
Inquire about the call context of this active calls with core net, this number, this SDP and this call context are used
This broadband trunked base station is indicated to be this active calls distributing radio resource in this broadband core networks;
Optionally, this request unit includes:
First judgment sub-unit, is used for judging whether this active calls is individual calling;
5th processes subelement, if being individual calling for this active calls, then by this broadband service community pair
The broadband core networks that the broadband trunked base station answered belongs to this broadband service community sends community handover request,
So that the narrowband core net that this broadband core networks belongs to this narrowband service community sends the first community switching
Preparation request, this first community handover preparation request includes the number of this terminal, the conversation description of this terminal
Agreement SDP, the wireless position identifier LAI of this narrowband service community and the business of this narrowband service community
Channel number, and indicate this broadband trunked base station according to this number, this SDP and call context are that this is current
Calling distributing radio resource, this call context by this narrowband core net according to this LAI and this Traffic Channel
Number inquiry and be sent to this broadband core networks.
Optionally, this request unit includes:
Second judgment sub-unit, is used for judging whether this active calls is individual calling;
6th processes subelement, if being individual calling for this active calls, then by this narrowband service community pair
The narrowband core net that the arrowband trunked base station answered belongs to this narrowband service community sends community handover request,
So that this narrowband core net sends the second community handover preparation request to this broadband core networks, this is second little
District's handover preparation request carries this number, and this SDP and the call context of this active calls, in this calling
Context information is obtained by the inquiry of this narrowband core net, this number, and this SDP and this call context are for being somebody's turn to do
Broadband core networks indicates this broadband trunked base station to be this active calls distributing radio resource.
Optionally, this request unit includes:
7th processes subelement, for the broadband trunked base station corresponding by this broadband service community to this system
One converged CN sends community handover request, and this community handover request includes the number of this terminal, and this is eventually
The SDP of end, the LAI of this narrowband service community and this Traffic Channel number, so that this unified fusion core
Heart net inquires about the call context of this active calls according to this LAI and this Traffic Channel number, and instruction should
Broadband trunked base station is according to this number, and this SDP and this call context are that this active calls distributes wireless money
Source.
Optionally, this request unit includes:
8th processes subelement, for the arrowband trunked base station corresponding by this narrowband service community to this system
One converged CN sends community handover request, and this community handover request includes the number of this terminal, and this is eventually
The SDP of end, so that this unified fusion core net inquires about the call context of this active calls, and indicates
This broadband trunked base station is according to this number, and this SDP and this call context are that the distribution of this active calls is wireless
Resource.
Optionally, this acquisition module 1402 also includes:
3rd judging unit, is used for judging whether this active calls is that group is exhaled, the most then this terminal receives
The broadcast message that this broadband service community sends;
4th judging unit, for judging whether this terminal participates in this group and exhale according to this broadcast message, if
It is then to receive the Radio Resource that this group that broadband trunked base station corresponding to this broadband service community send exhales
Information.
In the present embodiment, when calling module 1401 participates in active calls in narrowband service community, obtain mould
Block 1402 can obtain the information of the Radio Resource of the active calls in broadband service community, processing module
1403 can switch to broadband service community also profit according to the information of this Radio Resource from narrowband service community should
Radio Resource continues active calls, passes through such scheme so that dual-mode terminal can be from narrowband service community
It is switched to broadband service community, continues to keep calling, it is to avoid call drop.
Below from the angle of hardware unit, the terminal of above-described embodiment is described, refers to Figure 15,
The terminal 1500 of the present embodiment includes:
Transceiver 1501, processor 1502 and bus 1503;
This transceiver 1501, this processor 1502 is connected by this bus 1503;
This transceiver 1501, such as gives an order for execution:
Participate in active calls in narrowband service community, this terminal is little in broadband service community and this narrowband service
Qu Jun registers;Obtain the wireless money of this active calls that this calling module in this broadband service community participates in
The information in source;
This processor 1502, such as gives an order for execution:
The information of this Radio Resource acquired according to this acquisition module switches to from this narrowband service community
This broadband service community also utilizes this Radio Resource to continue this active calls.
It addition, the terminal 1500 in the present embodiment can also include that memory 1504, memory 1504 are used
In storage software program and data cached, transceiver 1501 and memory 1504 by bus 1503 with
Processor 1502 communicates to connect.
The terminal 1500 of the present embodiment can also carry out other steps of preceding method embodiment, the most no longer
Repeat.
In the present embodiment, when transceiver 1501 participates in active calls in narrowband service community, processor 1502
The information of the Radio Resource of active calls, processor 1502 present in broadband service community can be obtained
Broadband service community this wireless money of profit can be switched to from narrowband service community according to the information of this Radio Resource
Active calls is continued in source, passes through such scheme so that dual-mode terminal can be switched to from narrowband service community
Broadband service community, continues to keep calling, it is to avoid call drop.
Equipment of the core network that the embodiment of the present invention provide is described below, specifically refers to shown in Figure 16, this reality
The equipment of the core network 1600 that executing example provides includes:
Distribution module 1601, is that active calls distributes nothing in broadband service community for receiving the request of terminal
Line resource, this terminal participates in this active calls in narrowband service community, and this terminal is in this broadband service community
And all there is registration this narrowband service community;
Sending module 1602, for the information of this Radio Resource is sent to this terminal, so that this terminal
Information according to this Radio Resource switches to this broadband service community from this narrowband service community, and to continue this current
Calling.
Optionally, when this equipment of the core network is the broadband core networks of this broadband service community ownership, this distribution
Module 1601 includes:
First receives unit, please by the community switching that this broadband trunked base station sends for receiving this terminal
Ask;
First transmitting element, for sending the first community to the narrowband core net of this narrowband service community ownership
Handover preparation request, this first community handover preparation request includes the number of this terminal, the session of this terminal
Agreement SDP, the wireless position identifier LAI of this narrowband service community and this narrowband service community are described
Traffic Channel number, currently exhales so that this narrowband core net inquires about this according to this LAI and this Traffic Channel number
The call context cried;
Second receives unit, for receiving the second community handover preparation request that this narrowband core net sends,
This second community handover preparation request carries this number, this SDP and this call context;
First allocation unit, be used for indicating this broadband trunked base station according to this number, this SDP and this calling
Context is this active calls distributing radio resource.
Optionally, when this equipment of the core network is the narrowband core net of this narrowband service community ownership, this distribution
Module 1601 includes:
3rd receives unit, for receiving this terminal by arrowband cluster base corresponding to this narrowband service community
Stand send community handover request;
Second transmitting element, for sending the 3rd community handover preparation request to this broadband core networks, this is the years old
Three community handover preparation request carry the number of this terminal, the SDP of this terminal and the calling of this active calls
Context, this call context information is obtained by the inquiry of this narrowband core net, so that this broadband core networks
Indicating this broadband trunked base station according to this number, this SDP and this call context are the distribution of this active calls
Radio Resource.
Optionally, when this equipment of the core network is unified fusion core net, this distribution module 1601 includes:
4th receives unit, for receiving this terminal by broadband cluster base corresponding to this broadband service community
Stand send community handover request, this community handover request includes the number of this terminal, the SDP of this terminal,
The LAI of this narrowband service community and the Traffic Channel number of this narrowband service community;
First query unit, for inquiring about exhaling of this active calls according to this LAI and this Traffic Channel number
Call hereafter;
Second allocation unit, be used for indicating this broadband trunked base station according to this number, this SDP and this calling
Context is this active calls distributing radio resource.
Optionally, when this equipment of the core network is unified fusion core net, this distribution module 1601 includes:
5th receives unit, for receiving this terminal by arrowband cluster base corresponding to this narrowband service community
Stand send community handover request, this community handover request includes the number of this terminal, the SDP of this terminal;
Second query unit, for inquiring about the call context of this active calls;
3rd allocation unit, be used for indicating this broadband trunked base station according to this number, this SDP and this calling
Context is this active calls distributing radio resource.
Optionally, when this equipment of the core network is the broadband core networks of this broadband service community ownership, this distribution
Module 1601 includes:
6th receives unit, please by the community switching that this broadband trunked base station sends for receiving this terminal
Asking, this community handover request includes the number of this terminal, the SDP of this terminal, this narrowband service community
LAI and the Traffic Channel number of this narrowband service community;
3rd transmitting element, for sending the 4th community to the narrowband core net of this narrowband service community ownership
Handover preparation request, the 4th community handover preparation request includes this number, this SDP, this LAI and
This Traffic Channel number, deserves so that this narrowband core net is inquired about according to this LAI and this Traffic Channel number
The calling identity ID of front calling;
7th receives unit, for receiving the 5th community handover preparation request that this narrowband core net sends,
5th community handover preparation request carries this number, this SDP and this calling ID;
3rd query unit, for inquiring about the call context of this active calls according to this calling ID;
4th allocation unit, be used for indicating this broadband trunked base station according to this number, this SDP and this calling
Context is this active calls distributing radio resource.
Optionally, when this equipment of the core network is the narrowband core net of this narrowband service community ownership, this distribution
Module 1601 includes:
8th receives unit, for receiving this terminal by arrowband cluster base corresponding to this narrowband service community
Stand send community handover request, this community handover request carries the number of this terminal and the SDP of this terminal;
4th transmitting element, for sending the 6th community to the broadband core networks of this broadband service community ownership
Handover preparation request, the 6th community handover preparation request carries this number, this SDP and this active calls
Calling identity ID so that this broadband core networks indicate this broadband trunked base station according to this number,
This SDP and this call context are this active calls distributing radio resource, and this call context is this broadband
Core net is inquired about this active calls according to this calling ID and is obtained.
Optionally, when this equipment of the core network is the broadband core networks of this broadband service community ownership, this distribution
Module 1601 includes:
9th receives unit, for receiving this terminal by broadband cluster base corresponding to this broadband service community
Stand send community handover request;
5th transmitting element is little for sending the 7th to the narrowband core net of this narrowband service community ownership
District's handover preparation request, this seven cell handover preparation request includes the number of this terminal, this terminal
SDP, the LAI of this narrowband service community and the Traffic Channel number of this narrowband service community, so that should
The narrowband core net of narrowband service community ownership sends the 8th community switching to group ownership narrowband core net and prepares
Request, the 8th community handover preparation request includes this number, this SDP and calling ID, this calling ID
Inquired about according to this LAI and this Traffic Channel number by the narrowband core net of this narrowband service community ownership
Arrive;
Tenth receives unit, and the 9th community switching sent for receiving this group ownership narrowband core net prepares
Request, the 9th community handover preparation request includes this number, this SDP and call context, this calling
Context is obtained according to this calling ID inquiry by this group ownership narrowband core net;
5th allocation unit, be used for indicating this broadband trunked base station according to this number, this SDP and this calling
Context is this active calls distributing radio resource.
In the present embodiment, distribution module 1601 exists for this terminal after receiving the request that dual-mode terminal sends
Distributing radio resource in broadband service community, the information of this Radio Resource is sent to this by sending module 1602
Dual-mode terminal, so that this dual-mode terminal may be according to the information of this Radio Resource from narrowband service community
Switch to broadband service community and utilize this Radio Resource to converse.Pass through such scheme so that bimodulus
Terminal can be switched to broadband service community from narrowband service community, continues to keep calling, it is to avoid call drop.
Below from the angle of hardware unit, the equipment of the core network of above-described embodiment is described, refers to
Figure 17, the equipment of the core network 1700 of the present embodiment includes:
Transceiver 1701, processor 1702 and bus 1703;
This transceiver 1701, this processor 1702 is connected by this bus 1703;
This processor 1702, such as gives an order for execution:
Receive terminal request be active calls in broadband service distributing wireless resources for cells, this terminal is narrow
Band Serving cell participates in this active calls, and this terminal is all noted in this broadband service community and narrowband service community
Volume;
This transceiver 1701, such as gives an order for execution:
The information of this Radio Resource this processing module got is sent to this terminal, so that this terminal
This broadband service community can be switched to according to the information of this Radio Resource from this narrowband service community continue to be somebody's turn to do
Active calls.
It addition, the equipment of the core network 1700 in the present embodiment can also include memory 1704, memory
1704 are used for storing software program and data cached, and transceiver 1701 and memory 1704 pass through bus
1703 communicate to connect with processor 1702.
The equipment of the core network 1700 of the present embodiment can also carry out other steps of preceding method embodiment, this
Place repeats no more.
In the present embodiment, processor 1702 is that this terminal is at width after receiving the request that dual-mode terminal sends
Distributing radio resource in band Serving cell, the information of this Radio Resource is sent to this bimodulus by transceiver 1701
Terminal, so that this dual-mode terminal may switch from narrowband service community according to the information of this Radio Resource
To broadband service community and utilize this Radio Resource to converse.Pass through such scheme so that dual-mode terminal
Broadband service community can be switched to from narrowband service community, continue to keep calling, it is to avoid call drop.
Those skilled in the art is it can be understood that arrive, and for convenience and simplicity of description, above-mentioned retouches
The specific works process of the system stated, device and unit, is referred to the correspondence in preceding method embodiment
Process, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, device and
Method, can realize by another way.Such as, device embodiment described above is only shown
Meaning property, such as, the division of described unit, be only a kind of logic function and divide, actual can when realizing
There to be other dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another
System, or some features can ignore, or do not perform.Another point, shown or discussed each other
Coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit
Or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Or can also be distributed on multiple NE.Can select according to the actual needs part therein or
The whole unit of person realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit
In, it is also possible to it is that unit is individually physically present, it is also possible to two or more unit are integrated in one
In individual unit.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ software merit
The form of energy unit realizes.
If described integrated unit realizes and as independent production marketing using the form of SFU software functional unit
Or when using, can be stored in a computer read/write memory medium.Based on such understanding, this
The part that the most in other words prior art contributed of technical scheme of invention or this technical scheme
Completely or partially can embody with the form of software product, this computer software product is stored in one
In storage medium, including some instructions with so that computer equipment (can be personal computer,
Server, or the network equipment etc.) perform completely or partially walking of method described in each embodiment of the present invention
Suddenly.And aforesaid storage medium includes: USB flash disk, portable hard drive, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory),
The various medium that can store program code such as magnetic disc or CD.
The above, above example only in order to technical scheme to be described, is not intended to limit;
Although being described in detail the present invention with reference to previous embodiment, those of ordinary skill in the art should
Work as understanding: the technical scheme described in foregoing embodiments still can be modified by it, or to it
Middle part technical characteristic carries out equivalent;And these amendments or replacement, do not make appropriate technical solution
Essence depart from various embodiments of the present invention technical scheme spirit and scope.
Claims (44)
1. a cell switching method, it is characterised in that including:
Terminal participates in active calls in narrowband service community, and described terminal is in broadband service community and described narrow
Band Serving cell all has registration;
Described terminal obtains the information of the Radio Resource of the described active calls in described broadband service community;
Described terminal switches to described broadband according to the information of described Radio Resource from described narrowband service community
Serving cell also utilizes described Radio Resource to continue described active calls.
Method the most according to claim 1, it is characterised in that described terminal obtains described broadband clothes
Business community present in described active calls Radio Resource information particularly as follows:
Described terminal request equipment of the core network is that described active calls is wireless in the distribution of described broadband service community
Resource;
Described terminal receives the described wireless money that broadband trunked base station corresponding to described broadband service community sends
The information in source.
Method the most according to claim 2, it is characterised in that terminal participates in narrowband service community
After active calls, described terminal request equipment of the core network is that described active calls is little in described broadband service
Before district's distributing radio resource, described method also includes:
Whether active calls described in described terminal judges is that group is exhaled, and the most described terminal receives described width
The broadcast message sent with Serving cell;
According to described broadcast message, described terminal judges whether described terminal participates in described group and exhale, if it is not, then
Triggering equipment of the core network described in described terminal request is that described active calls distributes in described broadband service community
Radio Resource.
The most according to the method in claim 2 or 3, it is characterised in that described terminal request core net
Equipment is that described active calls includes in described broadband service distributing wireless resources for cells:
Described terminal sends community handover request by described broadband trunked base station to described broadband core networks,
Described community handover request includes the number of described terminal, the Session Description Protocol SDP of described terminal, institute
State wireless position identifier LAI and the Traffic Channel of described narrowband service community of narrowband service community
Number, so that the narrowband core net that described broadband core networks belongs to described narrowband service community sends the 3rd
Community handover preparation request, described 3rd community handover preparation request includes described number, described SDP,
Described LAI and described Traffic Channel number, and indicate described broadband trunked base station according to described number, institute
State SDP and described call context be described active calls distributing radio resource, described call context by
The calling identity ID inquiry that described broadband core networks sends according to described narrowband core net obtains, described
Calling ID is obtained according to described LAI and described Traffic Channel inquiry by described narrowband core net.
The most according to the method in claim 2 or 3, it is characterised in that described terminal request core net
Equipment is that described active calls includes in described broadband service distributing wireless resources for cells:
Described terminal is little to described narrowband service by the arrowband trunked base station that described narrowband service community is corresponding
The narrowband core net of district's ownership sends community handover request, and described community handover request carries described terminal
Number and the SDP of described terminal, so that described narrowband core net sends the 4th to described broadband core networks
Community handover preparation request, described 4th community handover preparation request carries described number, described SDP and
The calling ID of described active calls, described calling ID inquire about described active calls for described broadband core networks
Call context, described number, described SDP and described call context are for described broadband core networks
Indicating described broadband trunked base station is described active calls distributing radio resource.
The most according to the method in claim 2 or 3, it is characterised in that described terminal request core net
Equipment is that described active calls includes in described broadband service distributing wireless resources for cells:
Described terminal is little to described broadband service by the broadband trunked base station that described broadband service community is corresponding
The broadband core networks of district's ownership sends community handover request, so that described broadband core networks is to described arrowband
The narrowband core net of Serving cell ownership sends the 5th community handover preparation request, described 5th community switching
Preparation request includes the number of described terminal, the SDP of described terminal, the LAI of described narrowband service community
And the Traffic Channel number of described narrowband service community, and indicate described broadband trunked base station according to including
Stating number, described SDP and described call context is described active calls distributing radio resource, described in exhale
Call and hereafter inquired about and be sent to described broadband core networks, institute by group ownership narrowband core net according to calling ID
State the calling narrowband core net that belonged to by described narrowband service community of ID according to described LAI and described business
Channel number is inquired about and is sent to described group of ownership narrowband core net.
The most according to the method in claim 2 or 3, it is characterised in that described terminal request core net
Equipment is that described active calls includes in described broadband service distributing wireless resources for cells:
The arrowband trunked base station that described terminal is belonged to by described narrowband service community is little to described narrowband service
The narrowband core net of district's ownership sends community handover request, and described community handover request includes described terminal
Number and the SDP of described terminal, so that institute inquired about by the narrowband core net of described narrowband service community ownership
Stating the calling ID of active calls and be sent to group ownership narrowband core net, described calling ID is used for described group
Ownership narrowband core net inquires about the call context of described active calls, described number, described SDP and institute
Stating call context indicates described broadband trunked base station to be that described active calls divides for described broadband core networks
Join Radio Resource.
Method the most according to claim 2, it is characterised in that described terminal request equipment of the core network
Include in described broadband service distributing wireless resources for cells for described active calls:
Whether active calls described in described terminal judges is individual calling;
If described active calls is individual calling, the most described terminal is by broadband corresponding to described broadband service community
The broadband core networks that trunked base station belongs to described broadband service community sends community handover request, so that
Described broadband core networks sends the first community switching standard to the narrowband core net that described narrowband service community belongs to
Standby request, described first community handover preparation request includes the number of described terminal, the SDP of described terminal,
The LAI of described narrowband service community and the Traffic Channel number of described narrowband service community, and indicate described width
Band trunked base station is that the distribution of described active calls is wireless according to described number, described SDP and call context
Resource, described call context is looked into according to described LAI and described Traffic Channel number by described narrowband core net
Ask and be sent to described broadband core networks.
Method the most according to claim 2, it is characterised in that described terminal request equipment of the core network
Include in described broadband service distributing wireless resources for cells for described active calls:
Whether active calls described in described terminal judges is individual calling;
If described active calls is individual calling, the most described terminal is by arrowband corresponding to described narrowband service community
The narrowband core net that trunked base station belongs to described narrowband service community sends community handover request, so that
Described narrowband core net sends the second community handover preparation request to described broadband core networks, described second little
District's handover preparation request carries described number, described SDP and the call context of described active calls, institute
State call context information to be obtained by the inquiry of described narrowband core net, described number, described SDP and described
Call context indicates described broadband trunked base station to be the distribution of described active calls for described broadband core networks
Radio Resource.
Method the most according to claim 2, it is characterised in that described terminal request core net sets
For including in described broadband service distributing wireless resources for cells for described active calls:
Described terminal by broadband trunked base station corresponding to described broadband service community to described unified fusion core
Heart net sends community handover request, and described community handover request includes the number of described terminal, described terminal
SDP, the LAI of described narrowband service community and described Traffic Channel number, so that described unification is melted
Close core net upper and lower according to the calling of described LAI and the described Traffic Channel number described active calls of inquiry
Literary composition, and indicate the described broadband trunked base station according to described number, described SDP and described call context to be
Described active calls distributing radio resource.
11. methods according to claim 2, it is characterised in that described terminal request core net sets
For including in described broadband service distributing wireless resources for cells for described active calls:
Described terminal by arrowband trunked base station corresponding to described narrowband service community to described unified fusion core
Heart net sends community handover request, and described community handover request includes the number of described terminal, described terminal
SDP so that described unified fusion core net inquires about the call context of described active calls, and refer to
Show described broadband trunked base station according to described number, described SDP and described call context be described currently
Calling distributing radio resource.
12. methods according to claim 1, it is characterised in that described terminal obtains described broadband
The information of the Radio Resource of the described active calls in Serving cell includes:
Whether active calls described in described terminal judges is that group is exhaled, and the most described terminal receives described width
The broadcast message sent with Serving cell;
According to described broadcast message, described terminal judges whether described terminal participates in described group and exhale, the most then
Described terminal receives the described active calls of broadband trunked base station transmission corresponding to described broadband service community
The information of Radio Resource.
13. 1 kinds of terminals, it is characterised in that including:
Calling module, for participating in active calls in narrowband service community, described terminal is little in broadband service
All there is registration district and described narrowband service community;
Acquisition module, works as obtaining the described of described calling module participation in described broadband service community
The information of the Radio Resource of front calling;
Processing module, for the information of described Radio Resource that acquires according to described acquisition module from institute
State narrowband service community switch to described broadband service community and utilize the continuation of described Radio Resource described currently
Calling.
14. terminals according to claim 13, it is characterised in that described acquisition module includes:
Request unit, being used for asking equipment of the core network is that described active calls is in the little differentiation of described broadband service
Join Radio Resource;
First acquiring unit, for receiving what broadband trunked base station corresponding to described broadband service community sent
The information of described Radio Resource.
15. terminals according to claim 13, it is characterised in that described acquisition module also includes:
First judging unit, is used for judging whether described active calls is that group is exhaled, the most described terminal
Receive the broadcast message that described broadband service community sends;
Second judging unit, for judging described terminal according to broadcast message described in described first judging unit
Whether participate in described group to exhale, if it is not, then triggering the described equipment of the core network of request is that described active calls is in institute
State broadband service distributing wireless resources for cells.
16. according to the terminal described in claims 14 or 15, it is characterised in that described request unit bag
Include:
First processes subelement, for sending little by described broadband trunked base station to described broadband core networks
District's handover request, described community handover request includes the number of described terminal, the SDP of described terminal, institute
State LAI and the Traffic Channel number of described narrowband service community of narrowband service community, so that described width
Narrowband core net transmission the 3rd community switching belonged to described narrowband service community with core net prepares to ask
Asking, described 3rd community handover preparation request includes described number, described SDP, described LAI and institute
State Traffic Channel number, and indicate described broadband trunked base station according to described number, described SDP and described exhale
Calling the most described active calls distributing radio resource, described call context is by described broadband core networks
Obtaining according to the calling identity ID inquiry that described narrowband core net sends, described calling ID is by described
Narrowband core net obtains according to described LAI and described Traffic Channel inquiry.
17. according to the terminal described in claims 14 or 15, it is characterised in that described request unit bag
Include:
Second processes subelement, for the arrowband trunked base station corresponding by described narrowband service community to institute
The narrowband core net stating narrowband service community ownership sends community handover request, and described community handover request is taken
Number with described terminal and the SDP of described terminal, so that described narrowband core net is to described broadband core
Heart net sends the 4th community handover preparation request, and described 4th community handover preparation request carries described number,
The calling identity ID of described SDP and described active calls, described calling ID are used for described broadband core
The call context of described active calls inquired about by heart net, and described number, described SDP and described calling are upper and lower
Literary composition indicates described broadband trunked base station to be that described active calls distributes wireless money for described broadband core networks
Source.
18. according to the terminal described in claims 14 or 15, it is characterised in that described request unit bag
Include:
3rd processes subelement, for the broadband trunked base station corresponding by described broadband service community to institute
The broadband core networks stating broadband service community ownership sends community handover request, so that described broadband core
The narrowband core net that net belongs to described narrowband service community sends the 5th community handover preparation request, described
5th community handover preparation request includes the number of described terminal, the SDP of described terminal, and described arrowband takes
The LAI of business community and the Traffic Channel number of described narrowband service community, and indicate described broadband cluster base
Stand according to including that described number, described SDP and described call context are that the distribution of described active calls is wireless
Resource, described call context is inquired about by organizing ownership narrowband core net according to calling ID and is sent to described width
Band core net, the narrowband core net that described calling ID is belonged to by described narrowband service community is according to described LAI
And described Traffic Channel number inquiry be sent to described group of ownership narrowband core net.
19. according to the terminal described in claims 14 or 15, it is characterised in that described request unit bag
Include:
Fourth process subelement, for the arrowband trunked base station by described narrowband service community ownership to institute
The narrowband core net stating narrowband service community ownership sends community handover request, described community handover request bag
Include number and the SDP of described terminal of described terminal, so that the arrowband of described narrowband service community ownership
Core net is inquired about the calling ID of described active calls and is sent to group ownership narrowband core net, described calling ID
The call context of described active calls, described number, institute is inquired about for described group of ownership narrowband core net
Stating SDP and described call context indicates described broadband trunked base station to be described for described broadband core networks
Active calls distributing radio resource.
20. terminals according to claim 14, it is characterised in that described request unit includes:
First judgment sub-unit, is used for judging whether described active calls is individual calling;
5th processes subelement, if being individual calling for described active calls, then little by described broadband service
The broadband core networks that broadband trunked base station corresponding to district belongs to described broadband service community sends community switching
Request, so that the narrowband core net transmission that described broadband core networks belong to described narrowband service community
One community handover preparation request, described first community handover preparation request includes the number of described terminal, institute
State the Session Description Protocol SDP of terminal, the wireless position identifier LAI of described narrowband service community and institute
State the Traffic Channel number of narrowband service community, and indicate described broadband trunked base station according to described number, institute
Stating SDP and call context is described active calls distributing radio resource, described call context is by described
Narrowband core net is inquired about according to described LAI and described Traffic Channel number and is sent to described broadband core networks.
21. terminals according to claim 14, it is characterised in that described request unit includes:
Second judgment sub-unit, is used for judging whether described active calls is individual calling;
6th processes subelement, if being individual calling for described active calls, then little by described narrowband service
The narrowband core net that arrowband trunked base station corresponding to district belongs to described narrowband service community sends community switching
Request, so that described narrowband core net sends the second community handover preparation request to described broadband core networks,
Described second community handover preparation request carries described number, described SDP and the calling of described active calls
Context, described call context information is obtained by the inquiry of described narrowband core net, and described number is described
SDP and described call context indicate described broadband trunked base station to be described working as described broadband core networks
Front calling distributing radio resource.
22. terminals according to claim 14, it is characterised in that described request unit includes:
7th processes subelement, for the broadband trunked base station corresponding by described broadband service community to institute
State unified fusion core net and send community handover request, described community handover request include described terminal number
Code, the SDP of described terminal, the LAI of described narrowband service community and described Traffic Channel number, so that
Obtain described unified fusion core net and inquire about described active calls according to described LAI and described Traffic Channel number
Call context, and indicate described broadband trunked base station according to described number, described SDP and described exhale
Call the most described active calls distributing radio resource.
23. terminals according to claim 14, it is characterised in that described request unit includes:
8th processes subelement, for the arrowband trunked base station corresponding by described narrowband service community to institute
State unified fusion core net and send community handover request, described community handover request include described terminal number
Code, the SDP of described terminal, so that described unified fusion core net inquires about the calling of described active calls
Context, and indicate described broadband trunked base station upper and lower according to described number, described SDP and described calling
Literary composition is described active calls distributing radio resource.
24. terminals according to claim 13, it is characterised in that described acquisition module also includes:
3rd judging unit, is used for judging whether described active calls is that group is exhaled, the most described terminal
Receive the broadcast message that described broadband service community sends;
4th judging unit, for judging whether described terminal participates in described group and exhale according to described broadcast message,
It is wireless that the most then receive that broadband trunked base station corresponding to described broadband service community send described group is exhaled
The information of resource.
25. 1 kinds of terminals, it is characterised in that including:
Transceiver, processor and bus;
Described transceiver, described processor is connected by described bus;
Described transceiver, such as gives an order for execution:
Participate in active calls in narrowband service community, described terminal takes in broadband service community and described arrowband
All there is registration business community;Obtain that described calling module in described broadband service community participates in described currently
The information of the Radio Resource of calling;
Described processor, such as gives an order for execution:
The information of the described Radio Resource acquired according to described acquisition module is from described narrowband service community
Switch to described broadband service community and utilize described Radio Resource to continue described active calls.
26. 1 kinds of cell switching methods, it is characterised in that including:
Equipment of the core network receive terminal request be active calls in broadband service distributing wireless resources for cells,
Described terminal participates in described active calls in narrowband service community, and described terminal is in described broadband service community
And all there is registration described narrowband service community;
The information of described Radio Resource is sent to described terminal by described equipment of the core network, so that described end
It is little that end can switch to described broadband service according to the information of described Radio Resource from described narrowband service community
District continues described active calls.
27. methods according to claim 26, it is characterised in that described equipment of the core network is described
During the broadband core networks that broadband service community belongs to, it is active calls that equipment of the core network receives the request of terminal
Include in broadband service distributing wireless resources for cells:
Described broadband core networks receives described terminal please by the community switching that described broadband trunked base station sends
Ask;
Described broadband core networks sends the first community to the narrowband core net that described narrowband service community belongs to and cuts
Changing preparation request, described first community handover preparation request includes the number of described terminal, described terminal
Session Description Protocol SDP, the wireless position identifier LAI of described narrowband service community and described arrowband clothes
The Traffic Channel number of business community, so that described narrowband core net is according to described LAI and described Traffic Channel
Number inquire about described active calls call context;
Described broadband core networks receives the second community handover preparation request that described narrowband core net sends, institute
State the second community handover preparation request and carry described number, described SDP and described call context;
Described broadband core networks indicate described broadband trunked base station according to described number, described SDP and described
Call context is described active calls distributing radio resource.
28. methods according to claim 26, it is characterised in that described equipment of the core network is described
During the narrowband core net that narrowband service community belongs to, it is active calls that equipment of the core network receives the request of terminal
Include in broadband service distributing wireless resources for cells:
Described narrowband core net receives described terminal by arrowband cluster base corresponding to described narrowband service community
Stand send community handover request;
Described narrowband core net sends the 3rd community handover preparation request to described broadband core networks, and described the
Three community handover preparation request carry the number of described terminal, the SDP of described terminal and described active calls
Call context, described call context information is obtained, so that institute by the inquiry of described narrowband core net
Stating broadband core networks indicates described broadband trunked base station according in described number, described SDP and described calling
The most described active calls distributing radio resource.
29. methods according to claim 26, it is characterised in that described equipment of the core network is for unified
During converged CN, it is that active calls distributes in broadband service community that equipment of the core network receives the request of terminal
Radio Resource includes:
Described unified fusion core net receives described terminal by broadband collection corresponding to described broadband service community
The community handover request that group base station sends, described community handover request includes the number of described terminal, described
The SDP of terminal, the LAI of described narrowband service community and the Traffic Channel number of described narrowband service community;
Described unified fusion core net is inquired about according to described LAI and described Traffic Channel number and described is currently exhaled
The call context cried;
Described unified fusion core net indicate described broadband trunked base station according to described number, described SDP and
Described call context is described active calls distributing radio resource.
30. methods according to claim 26, it is characterised in that described equipment of the core network is for unified
During converged CN, it is that active calls distributes in broadband service community that equipment of the core network receives the request of terminal
Radio Resource includes:
Described unified fusion core net receives described terminal by arrowband collection corresponding to described narrowband service community
The community handover request that group base station sends, described community handover request includes the number of described terminal, described
The SDP of terminal;
Described unified fusion core net inquires about the call context of described active calls;
Described unified fusion core net indicate described broadband trunked base station according to described number, described SDP and
Described call context is described active calls distributing radio resource.
31. methods according to claim 26, it is characterised in that described equipment of the core network is described
During the broadband core networks that broadband service community belongs to, it is active calls that equipment of the core network receives the request of terminal
Include in broadband service distributing wireless resources for cells:
Described broadband core networks receives described terminal please by the community switching that described broadband trunked base station sends
Asking, described community handover request includes the number of described terminal, the SDP of described terminal, and described arrowband takes
The LAI of business community and the Traffic Channel number of described narrowband service community;
The narrowband core net that described broadband core networks belongs to described narrowband service community sends the 4th community and cuts
Changing preparation request, described 4th community handover preparation request includes described number, described SDP, described LAI
And described Traffic Channel number, so that described narrowband core net is believed according to described LAI and described business
Taoist monastic name inquires about the calling identity ID of described active calls;
Described broadband core networks receives the 5th community handover preparation request that described narrowband core net sends, institute
State the 5th community handover preparation request and carry described number, described SDP and described calling ID;
Described broadband core networks inquires about the call context of described active calls according to described calling ID;
Described broadband core networks indicate described broadband trunked base station according to described number, described SDP and described
Call context is described active calls distributing radio resource.
32. methods according to claim 26, it is characterised in that described equipment of the core network is described
During the narrowband core net that narrowband service community belongs to, it is active calls that equipment of the core network receives the request of terminal
Include in broadband service distributing wireless resources for cells:
Described narrowband core net receives described terminal by arrowband cluster base corresponding to described narrowband service community
Stand send community handover request, described community handover request carries the number of described terminal and described terminal
SDP;
The broadband core networks that described narrowband core net belongs to described broadband service community sends the 6th community and cuts
Changing preparation request, described 6th community handover preparation request carries described number, described SDP and described work as
The calling identity ID of front calling, so that described broadband core networks indicates described broadband trunked base station root
It is described active calls distributing radio resource according to described number, described SDP and described call context, institute
Stating call context is that described broadband core networks obtains according to the described calling ID described active calls of inquiry.
33. methods according to claim 26, it is characterised in that described equipment of the core network is described
During the broadband core networks that broadband service community belongs to, it is active calls that equipment of the core network receives the request of terminal
Include in broadband service distributing wireless resources for cells:
Described broadband core networks receives described terminal by broadband cluster base corresponding to described broadband service community
Stand send community handover request;
Narrowband core net that described broadband core networks belongs to described narrowband service community sends described 7th little
District's handover preparation request, described seven cell handover preparation request includes the number of described terminal, described end
The SDP of end, the LAI of described narrowband service community and the Traffic Channel number of described narrowband service community,
So that the narrowband core net of described narrowband service community ownership is little to group ownership narrowband core net transmission the 8th
District's handover preparation request, described 8th community handover preparation request includes described number, described SDP and exhaling
Be ID, the narrowband core net that described calling ID is belonged to by described narrowband service community according to described LAI with
And described Traffic Channel inquiry obtains;
Described broadband core networks receives the 9th community switching preparation of described group of ownership narrowband core net transmission please
Asking, described 9th community handover preparation request includes described number, described SDP and call context, institute
State call context to be obtained according to described calling ID inquiry by described group of ownership narrowband core net;
Described broadband core networks indicate described broadband trunked base station according to described number, described SDP and described
Call context is described active calls distributing radio resource.
34. methods according to claim 26, it is characterised in that described equipment of the core network is described
During the narrowband core net that narrowband service community belongs to, it is active calls that equipment of the core network receives the request of terminal
Include in broadband service distributing wireless resources for cells:
It is little by described narrowband service that the narrowband core net of described narrowband service community ownership receives described terminal
The community handover request that the arrowband trunked base station of district's ownership sends, described community handover request includes described end
The number of end and the SDP of described terminal;
The calling ID of described active calls inquired about by the narrowband core net of described narrowband service community ownership;
The narrowband core net of described narrowband service community ownership sends the tenth community to group ownership narrowband core net
Handover preparation request, described tenth community handover preparation request carries the number of described terminal, described terminal
SDP and described calling ID so that described group ownership narrowband core net return to described broadband service community
The broadband core networks belonged to sends the 11st community handover preparation request, and described 11st community switching prepares please
Asking and include described number, described SDP and described call context, described call context is returned by described group
Belonging to narrowband core net to obtain according to described calling ID inquiry, described number, on described SDP and described calling
Hereafter described broadband trunked base station is indicated to be that described active calls distributes wireless money for described broadband core networks
Source.
35. 1 kinds of equipments of the core network, it is characterised in that including:
Distribution module, is that active calls distributes wireless money in broadband service community for receiving the request of terminal
Source, described terminal participates in described active calls in narrowband service community, and described terminal is in described broadband service
All there is registration community and described narrowband service community;
Sending module, for the information of described Radio Resource is sent to described terminal, so that described end
It is little that end can switch to described broadband service according to the information of described Radio Resource from described narrowband service community
District continues described active calls.
36. according to the equipment of the core network described in claim 35, it is characterised in that described core net sets
During for the broadband core networks belonged to for described broadband service community, described distribution module includes:
First receives unit, and the community sent by described broadband trunked base station for receiving described terminal is cut
Change request;
First transmitting element is little for sending first to the narrowband core net of described narrowband service community ownership
District's handover preparation request, described first community handover preparation request includes the number of described terminal, described end
The Session Description Protocol SDP of end, the wireless position identifier LAI of described narrowband service community and described narrow
With the Traffic Channel number of Serving cell, so that described narrowband core net is according to described LAI and described business
Channel number inquires about the call context of described active calls;
Second receives unit, for receiving the second community handover preparation request that described narrowband core net sends,
Described second community handover preparation request carries described number, described SDP and described call context;
First allocation unit, be used for indicating described broadband trunked base station according to described number, described SDP and
Described call context is described active calls distributing radio resource.
37. according to the equipment of the core network described in claim 35, it is characterised in that described core net sets
During for the narrowband core net belonged to for described narrowband service community, described distribution module includes:
3rd receives unit, for receiving described terminal by arrowband collection corresponding to described narrowband service community
The community handover request that group base station sends;
Second transmitting element, for sending the 3rd community handover preparation request, institute to described broadband core networks
State the 3rd community handover preparation request and carry the number of described terminal, the SDP of described terminal and described currently
The call context of calling, described call context information is obtained by the inquiry of described narrowband core net, so that
Described broadband core networks indicate described broadband trunked base station according to described number, described SDP and described exhale
Call the most described active calls distributing radio resource.
38. according to the equipment of the core network described in claim 35, it is characterised in that described core net sets
For during for unified fusion core net, described distribution module includes:
4th receives unit, for receiving described terminal by broadband collection corresponding to described broadband service community
The community handover request that group base station sends, described community handover request includes the number of described terminal, described
The SDP of terminal, the LAI of described narrowband service community and the Traffic Channel number of described narrowband service community;
First query unit, described currently exhales for inquiring about according to described LAI and described Traffic Channel number
The call context cried;
Second allocation unit, be used for indicating described broadband trunked base station according to described number, described SDP and
Described call context is described active calls distributing radio resource.
39. according to the equipment of the core network described in claim 35, it is characterised in that described core net sets
For during for unified fusion core net, described distribution module includes:
5th receives unit, for receiving described terminal by arrowband collection corresponding to described narrowband service community
The community handover request that group base station sends, described community handover request includes the number of described terminal, described
The SDP of terminal;
Second query unit, for inquiring about the call context of described active calls;
3rd allocation unit, be used for indicating described broadband trunked base station according to described number, described SDP and
Described call context is described active calls distributing radio resource.
40. according to the equipment of the core network described in claim 35, it is characterised in that described core net sets
During for the broadband core networks belonged to for described broadband service community, described distribution module includes:
6th receives unit, and the community sent by described broadband trunked base station for receiving described terminal is cut
Changing request, described community handover request includes the number of described terminal, and the SDP of described terminal is described narrow
LAI with Serving cell and the Traffic Channel number of described narrowband service community;
3rd transmitting element is little for sending the 4th to the narrowband core net of described narrowband service community ownership
District's handover preparation request, described 4th community handover preparation request includes described number, described SDP, institute
State LAI and described Traffic Channel number, so that described narrowband core net is according to described LAI and described
Traffic Channel number inquires about the calling identity ID of described active calls;
7th receives unit, for receiving the 5th community handover preparation request that described narrowband core net sends,
Described 5th community handover preparation request carries described number, described SDP and described calling ID;
3rd query unit, for inquiring about the call context of described active calls according to described calling ID;
4th allocation unit, be used for indicating described broadband trunked base station according to described number, described SDP and
Described call context is described active calls distributing radio resource.
41. according to the equipment of the core network described in claim 35, it is characterised in that described core net sets
During for the narrowband core net belonged to for described narrowband service community, described distribution module includes:
8th receives unit, for receiving described terminal by arrowband collection corresponding to described narrowband service community
The community handover request that group base station sends, described community handover request carries the number of described terminal and described
The SDP of terminal;
4th transmitting element is little for sending the 6th to the broadband core networks of described broadband service community ownership
District's handover preparation request, described 6th community handover preparation request carries described number, described SDP and institute
State the calling identity ID of active calls, so that described broadband core networks indicates described broadband cluster base
Standing according to described number, described SDP and described call context is described active calls distributing radio resource,
Described call context is that described broadband core networks obtains according to the described calling ID described active calls of inquiry.
42. according to the equipment of the core network described in claim 35, it is characterised in that described core net sets
During for the broadband core networks belonged to for described broadband service community, described distribution module includes:
9th receives unit, for receiving described terminal by broadband collection corresponding to described broadband service community
The community handover request that group base station sends;
5th transmitting element, for sending described the to the narrowband core net of described narrowband service community ownership
Seven cell handover preparation request, described seven cell handover preparation request includes the number of described terminal, institute
State the SDP of terminal, the LAI of described narrowband service community and the Traffic Channel of described narrowband service community
Number, so that the narrowband core net of described narrowband service community ownership sends the to group ownership narrowband core net
Eight community handover preparation request, described 8th community handover preparation request includes described number, described SDP
With calling ID, the narrowband core net that described calling ID is belonged to by described narrowband service community is according to described LAI
And described Traffic Channel inquiry obtains;
Tenth receives unit, for receiving the 9th community switching standard that described group of ownership narrowband core net sends
Standby request, described 9th community handover preparation request includes described number, described SDP and call context,
Described call context is obtained according to described calling ID inquiry by described group of ownership narrowband core net;
5th allocation unit, be used for indicating described broadband trunked base station according to described number, described SDP and
Described call context is described active calls distributing radio resource.
43. according to the equipment of the core network described in claim 35, it is characterised in that described core net sets
During for the narrowband core net belonged to for described narrowband service community, described distribution module includes:
11st receives unit, for receiving the arrowband that described terminal is belonged to by described narrowband service community
The community handover request that trunked base station sends, described community handover request includes number and the institute of described terminal
State the SDP of terminal;
4th query unit, for inquiring about the calling ID of described active calls;
6th transmitting element, for sending the tenth community handover preparation request to group ownership narrowband core net,
Described tenth community handover preparation request carries the number of described terminal, the SDP of described terminal and described exhale
It is ID, so that the broadband core networks that described group of ownership narrowband core net belongs to described broadband service community
Sending the 11st community handover preparation request, described 11st community handover preparation request includes described number,
Described SDP and described call context, described call context by described group ownership narrowband core net according to
Described calling ID inquiry obtains, described number, and described SDP and described call context are for described broadband
Core net indicates described broadband trunked base station to be described active calls distributing radio resource.
44. 1 kinds of equipments of the core network, it is characterised in that including:
Transceiver, processor and bus;
Described transceiver is connected by described bus with described processor;
Described processor, such as gives an order for execution: the request receiving terminal is that active calls takes in broadband
Business distributing wireless resources for cells, described terminal participates in described active calls, described end in narrowband service community
End is all registered in described broadband service community and narrowband service community;
Described transceiver, for perform given an order: processing module as described in by get as described in wireless money
The information in source is sent to described terminal so that described terminal can according to the information of described Radio Resource from
Described narrowband service community switches to described broadband service community and continues described active calls.
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