CN102378125A - Trunking communication system and cooperation processing fault weakening method - Google Patents

Trunking communication system and cooperation processing fault weakening method Download PDF

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Publication number
CN102378125A
CN102378125A CN2010102494883A CN201010249488A CN102378125A CN 102378125 A CN102378125 A CN 102378125A CN 2010102494883 A CN2010102494883 A CN 2010102494883A CN 201010249488 A CN201010249488 A CN 201010249488A CN 102378125 A CN102378125 A CN 102378125A
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bwa
terminal
source
network side
target
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李彬
张现周
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ZTE Corp
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ZTE Corp
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Priority to CN2010102494883A priority Critical patent/CN102378125A/en
Priority to PCT/CN2011/074551 priority patent/WO2012016470A1/en
Publication of CN102378125A publication Critical patent/CN102378125A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/002Transmission of channel access control information
    • H04W74/004Transmission of channel access control information in the uplink, i.e. towards network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup

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  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a trunking communication system and a cooperation processing fault weakening method. The method is characterized in that: in the trunking communication system, after a source broadband wireless access system detects that a network side appears a fault, if the source broadband wireless access system exists a terminal which is successful in access, sending a request message to an adjacent object broadband wireless access system immediately; if the source broadband wireless access system does not exist a terminal which is successful in access, sending a request message to an adjacent object broadband wireless access system when the terminal initiates trunking calling, wherein the request message is used for requesting the object broadband wireless access system to execute a network side basic function, and the object broadband wireless access system is used for opening the network side basic function, processing user data, and substituting for the source broadband wireless access system to complete the network side basic function according to the request message. According to the system and the method in the invention, when the network side appears the fault, basic business processing can be carried out, and resource of each broadband wireless access system is balanced.

Description

The fail-soft method of a kind of trunked communication system and collaborative process
Technical field
The present invention relates to wireless communication technology field, relate in particular to the fail-soft method of a kind of trunked communication system and collaborative process.
Background technology
Trunked communication system is developed in order to satisfy demand such as industry user's command scheduling, the private wireless communication system of using towards specific industry.A large number of users can be shared a small amount of wireless channel in the trunked communication system, and this is the abundant Radio Resource of saves valuable just, improves channel utilization.Simultaneously, trunked communication system is that main body is used with the command scheduling, is a kind of multiduty dynamical wireless communication system.Trunked communication system in a government office, public safety, emergency communication, electric power, civil aviaton, petrochemical industry, fields such as army and enterprise have a wide range of applications.
Trunked communication system is mainly taked half-duplex mode communication, obtaining and discharge through PoC (Push ToTalk) key control channel during work.The broadband trunked communication system centers on " voice ", and " data ", broadband services types are expanded in " video " these three basic services.The high bandwidth of LTE (Long Term Evolution, Long Term Evolution) system more helps realizing above-mentioned business and activating business.As shown in Figure 1, trunked communication system is mainly by the terminal, BWA (base station), formations such as network subsystem.The terminal mainly comprises handheld terminal, car-mounted terminal, fixed station, wireless dispatching platform, formations such as wired dispatching desk.The broadband wireless access subsystem mainly is made up of the base station.Network subsystem mainly is made up of core net.Communication mode in the trunked communication system and other wireless communication system are similar, all are to communicate through the coordination between said network element.
Because trunked communication system is used for military affairs more, public safety, urgent emergency case etc., this just requires BWA to have higher fault-tolerant processing ability, the redundancy backup ability.Under the situation that network side breaks down, cluster user should still can communicate, and carries out the processing of some basic services, and the influence that makes the network side fault brought weakens as far as possible, and it is minimum that risk is dropped to.
Summary of the invention
Technical problem to be solved by this invention is; Provide a kind of trunked communication system and collaborative process fail-soft method; When network side breaks down; Guarantee that cluster user still can communicate, and carry out the processing of some basic services, the influence that makes the network side fault brought weakens as far as possible.
In order to address the above problem, the present invention proposes a kind of trunked communication system, comprising: the terminal, be used for a plurality of BWAs of access network side, wherein:
The source BWA of said terminal attaching is used for after detecting network side and breaking down, if the terminal that the source BWA exists success to insert then sends a request message to adjacent target BWA immediately; If the terminal that the source BWA does not exist success to insert sends a request message to adjacent target BWA when then initiating trunked call at the terminal; Described request message is used for the request target BWA and carries out the network side basic function;
Said target BWA is used for opening the network side basic function according to described request message, processes user data, and the alternate source BWA is accomplished the network side basic function.
The information that described request message is carried comprises a kind of in the following information or their combination: cluster group ID; Cluster group temporary identity sign; Terminal security and authentication functions in cluster group and the cluster group; The terminal access bearer is set up function, terminal context information store function, service bearer user plane data transfer function.
Said source BWA is after detecting network side and breaking down; If the terminal that the source BWA exists success to insert comprises in the request message that adjacent target BWA sends immediately: the network side identification information that breaks down, cluster group ID; Cluster group temporary identity sign; The terminal contextual information, user's access bearer information, and service bearer user plane data transfer information;
Said source BWA is after detecting network side and breaking down; If the terminal that the source BWA does not exist success to insert; In the request message that adjacent target BWA sends, comprise when then initiating trunked call: the network side identification information that breaks down, cluster group ID, cluster group temporary identity sign at the terminal; Terminal security and authentication functions in cluster group and the cluster group; The terminal contextual information, terminal access bearer information, and service bearer user plane data transfer information.
Said BWA is the Node B of grand BWA or little BWA or enhancing.Said terminal is a handheld terminal, car-mounted terminal, fixed station, wireless dispatching platform, or wired dispatching desk.
The present invention also provides the fail-soft method of collaborative process in a kind of trunked communication system, comprising:
When the network side of trunked communication system breaks down; The source BWA of terminal attaching is after detecting network side and breaking down, if the terminal that the source BWA exists success to insert then sends a request message to adjacent target BWA immediately; If the terminal that the source BWA does not exist success to insert sends a request message to adjacent target BWA when then initiating trunked call at the terminal; Described request message is used for the request target BWA and carries out the network side basic function;
Said target BWA is opened the network side basic function according to described request message, processes user data, and the alternate source BWA is accomplished the network side basic function.
The information that described request message is carried comprises a kind of in the following information or their combination: cluster group ID; Cluster group temporary identity sign; Terminal security and authentication functions in cluster group and the cluster group; The terminal access bearer is set up function, terminal context information store function, service bearer user plane data transfer function.
Said source BWA is after detecting network side and breaking down; If the terminal that the source BWA exists success to insert then comprises in the request message that adjacent target BWA sends immediately: the network side identification information that breaks down, cluster group ID; Cluster group temporary identity sign; The terminal contextual information, user's access bearer information, and service bearer user plane data transfer information;
After said target BWA is received this request message; Open the network side basic function; And carry out the terminal contextual information and handle, user's access bearer upgrades, and the user face data passage is set up; After accomplishing said process, the target BWA sends acknowledge message to the source BWA;
After said source BWA is received this acknowledge message; User data transmission to target BWA, the user data after said target BWA is handled user data and will be handled sends the source BWA to;
After the source BWA is received the user data of handling, send to the target terminal crowd to user data.
Said source BWA is after detecting network side and breaking down; If the terminal that the source BWA does not exist success to insert; In the request message that adjacent target BWA sends, comprise when then initiating trunked call: the network side identification information that breaks down, cluster group ID, cluster group temporary identity sign at the terminal; Terminal security and authentication functions in cluster group and the cluster group; The terminal contextual information, terminal access bearer information, and service bearer user plane data transfer information.
Said target BWA is opened the network side basic function after receiving this request message; And carry out terminal security and authentication process in cluster group and the cluster group; The terminal contextual information is handled, and the terminal access bearer upgrades, and the user face data passage is set up; After accomplishing said process, the target BWA sends acknowledge message to the source BWA;
The source BWA receives after this acknowledge message that then user data transmission to target BWA, the target BWA handles and send to the source BWA to data;
After the source BWA is received data processed, send to the target terminal crowd to data.
Said BWA is the Node B of grand BWA or little BWA or enhancing.Said terminal is a handheld terminal, car-mounted terminal, fixed station, wireless dispatching platform, or wired dispatching desk.
The fail-soft method of trunked communication system of the present invention and collaborative process; When network side breaks down; Through source BWA and target BWA coordinate to accomplish between the terminal and terminal and network between communicate by letter; And can carry out some basic services and handle, resource that simultaneously can balanced each BWA.
Description of drawings
Fig. 1 is the network architecture diagram of trunked communication system;
Fig. 2 is trunked communication system in the grand BWA (the trunking communication link is set up a during the network side fault) fail soft process chart;
Fig. 3 is trunked communication system in the grand BWA (the trunking communication link is not set up a during the network side fault) fail soft process chart;
Fig. 4 is trunked communication system in little BWA (the trunking communication link is set up a during the network side fault) fail soft process chart;
Fig. 5 is trunked communication system in little BWA (the trunking communication link is not set up a during the network side fault) fail soft process chart;
Fig. 6 is a fail soft process chart between the eNodeB of LTE system (the trunking communication link is set up during the network side fault);
Fig. 7 is a fail soft process chart between the eNodeB of LTE system (the trunking communication link is not set up during the network side fault).
Embodiment
For making the object of the invention, technical scheme and advantage clearer, the present invention is done to specify further below in conjunction with accompanying drawing.
The present invention is directed in the trunked communication system; The source BWA can't guarantee the problem of cluster conversation under network side breaks down situation; Provide collaborative process fail-soft technical scheme; Detect at the source BWA under the situation of network side fault; Can notify adjacent target BWA to bear the trunking communication task, through source BWA and target BWA coordinate to accomplish between the terminal and terminal and network between communicate by letter.In group system, when network side breaks down, just can realize the reduction of fault Min., and guarantee that communication function is normal, and the basic service processing capacity is normal like this.
In an embodiment of the present invention; To whether the opportunity that the source BWA is confirmed transmission is successfully inserted at the existing subscriber terminal; If exist the cluster user that activate in the BWA of source this moment; Then directly send a request message to the target BWA, otherwise, just send request message in the time of then need initiating trunked call to the target BWA at the terminal.Described request message is used for the request target BWA and carries out the network side basic function.
Embodiment 1: the fail soft of trunked communication system is handled in the grand BWA
As shown in Figure 2; When the grand BWA in source detects network side and breaks down; The grand system of broadband wireless communication in this source sends request message through wireline interface to adjacent target macro BWA (target side) immediately; The basic function that needs the target macro BWA to carry out network side is normally carried out to guarantee trunking communication, satisfies basic service simultaneously and handles.
The grand BWA in said source need carry to the described request message that the target macro BWA sends at least: the network side identification information that breaks down; Cluster group ID; Cluster group temporary identity sign; The terminal contextual information, user's access bearer information, and service bearer user plane data transfer information.
After said target macro BWA is received this request message; Open network side basic function (grand BWA needs this function of network enabled side group); And carry out the terminal contextual information and handle, user's access bearer upgrades, and the foundation of user face data passage etc.; After accomplishing said process, the target macro BWA sends acknowledge message to the grand BWA in source.
After the grand BWA in said source is received this acknowledge message; User data transmission to target macro BWA, the user data after said target macro BWA is handled user data and will be handled sends the grand BWA in source to.
After the grand BWA in source is received the user data of handling, send to the target terminal crowd to user data.
Pass through said process; When network side breaks down; The grand BWA in source can coordinate to accomplish terminal room with the target macro BWA and communicate by letter with internetwork in the terminal, and can carry out some basic services and handle, resource that simultaneously can balanced each BWA.
As shown in Figure 3; When the grand BWA in source detects network side and breaks down; If there is not the cluster user of activation in the grand BWA in source this moment; The grand system of broadband wireless communication in this source is not to send request message through wireline interface to adjacent target macro BWA (target side) immediately; But when existing source terminal to initiate trunked call, just send request message to the target macro BWA, and need the target macro BWA to carry out the network side basic function and normally carry out to guarantee trunking communication, satisfy basic service simultaneously and handle.
When the grand BWA in said source is initiated trunked call at source terminal; Described request message to the target macro BWA sends need be carried at least: the network side identification information that breaks down, cluster group ID, cluster group temporary identity sign; Terminal security and authentication functions in cluster group and the cluster group; The terminal contextual information, terminal access bearer information, and service bearer user plane data transfer information.
Said target macro BWA is opened network side basic function (grand BWA needs this function of network enabled side group) after receiving this request message; And carry out terminal security and authentication process in cluster group and the cluster group; The terminal contextual information is handled, and the terminal access bearer upgrades, and the foundation of user face data passage etc.; After accomplishing said process, the target macro BWA sends acknowledge message to the grand BWA in source.
The grand BWA in source receives after this acknowledge message that then user data transmission to target macro BWA, the target macro BWA handles and send to the grand BWA in source to data.
After the grand BWA in source is received data processed, send to the target terminal crowd to data.
Pass through said process; When network side breaks down; The grand BWA in source can coordinate to accomplish terminal room with the target macro BWA and communicate by letter with internetwork in the terminal; And can carry out some basic services and handle, resource that simultaneously can balanced each grand BWA.
Embodiment 2: the fail soft of trunked communication system is handled in little wireless broadband access system
As shown in Figure 4; When the little wireless access system in source detects network side and breaks down; The little WiMAX wireless communication system in this source immediately through wireline interface to adjacent target little/grand BWA (target side) sends request; Need target little/grand BWA carries out the network side basic function and normally carries out to guarantee trunking communication, satisfy basic service simultaneously and handle.
The little BWA in said source to target little/described request message that grand BWA sends need carry at least: the network side identification information that breaks down; Cluster group ID; Cluster group temporary identity sign; The terminal contextual information, user's access bearer information, and service bearer user plane data transfer information.
Target is little/and grand BWA opens network side basic function (little/grand BWA needs this function of network enabled side group) after receiving this request message; And carry out the terminal contextual information and handle; User's access bearer upgrades; And user face data passage foundation etc., accomplish said process after, target is little/grand BWA sends acknowledge message to the little BWA in source.
The little BWA in source receive after this acknowledge message then user data transmission to target little/grand BWA, target is little/grand BWA handles and send to the little BWA in source to data.
After the little BWA in source is received data processed, send to the target terminal crowd to data.
Pass through said process; When network side breaks down; The little BWA in source is little with target/and grand wireless access system can coordinate to accomplish terminal room and communicate by letter with internetwork in the terminal; And can carry out some basic services and handle, simultaneously can be balanced the resource of little/grand each BWA.
As shown in Figure 5; When the little BWA in source detects network side and breaks down; If there is not the cluster user of activation in the little BWA in source this moment; The little system of broadband wireless communication in this source be not immediately through wireline interface to adjacent target little/grand BWA (target side) sends request; But when existing source terminal to initiate trunked call just to target little/grand BWA sends request message, need target little/grand BWA carries out the network side basic function and normally carries out to guarantee trunking communication, satisfy basic service simultaneously and handle.
When the little BWA in said source is initiated trunked call at source terminal; To target little/described request message that grand BWA sends need carry at least: the network side identification information that breaks down, cluster group ID, cluster group temporary identity sign; Terminal security and authentication functions in cluster group and the cluster group; The terminal contextual information, terminal access bearer information, and service bearer user plane data transfer information.
Target is little/and grand BWA opens network side basic function (grand BWA needs this function of network enabled side group) after receiving this request message; And carry out terminal security and authentication process in cluster group and the cluster group; The terminal contextual information is handled, and the terminal access bearer upgrades, and the foundation of user face data passage etc.; After accomplishing said process, target is little/and grand BWA sends acknowledge message to the little BWA in source.
After the little BWA in source is received this acknowledge message, then user data transmission to target little/grand BWA, target is little/grand BWA handles and send to the little BWA in source to data.
After the little BWA in source is received data processed, send to the target terminal crowd to data.
Pass through said process; When network side breaks down; The little BWA in source is little with target/and grand BWA can coordinate to accomplish terminal room and communicate by letter with internetwork in the terminal; And can carry out some basic services and handle, resource that simultaneously can balanced each little/grand BWA.
The fail soft of trunked communication system is handled in the embodiment 3:LTE system
As shown in Figure 6; When source eNodeB (enhancing Node B) detects network side and breaks down; This source eNodeB sends request message through wireline interface (X2 interface) to target eNode B immediately; Request target eNodeB carries out the network side basic function and normally carries out to guarantee trunking communication, satisfies basic service simultaneously and handles.
Said source eNodeB need carry to the described request message that target eNode B is sent at least: the network side identification information that breaks down; Cluster group ID, cluster group temporary identity sign, terminal contextual information; User's access bearer information, and service bearer user plane data transfer information.
Target eNode B is opened network side basic function (eNodeB needs this function of network enabled side group) after receiving this request message; And carry out the terminal contextual information and handle; User's access bearer upgrades; And the foundation of user face data passage etc., behind the completion said process, target eNode B is sent acknowledge message to source eNodeB.
Source eNodeB receives after this acknowledge message then that user data transmission to target eNode B, target eNode B handles and send to source eNodeB to data.After source eNodeB receives data processed, send to the target terminal crowd to data.
Through said process, when network side broke down, source eNodeB can coordinate to accomplish terminal room with target eNode B and communicate by letter with internetwork in the terminal, and can carry out some basic services and handle, resource that simultaneously can balanced each eNodeB.
As shown in Figure 7; When source eNodeB detects network side and breaks down; If do not exist the cluster user of activation this moment in the eNodeB BWA of source, this source eNodeB sends request through wireline interface (X2) to target eNode B immediately, but when existing source terminal to initiate trunked call, just sends request to target eNode B; Need target eNode B to carry out the network side basic function and normally carry out, satisfy basic service simultaneously and handle to guarantee trunking communication.
When said source eNodeB initiates trunked call at source terminal; Described request message to target eNode B is sent need be carried at least: the network side identification information that breaks down, cluster group ID, cluster group temporary identity sign; Terminal security and authentication functions in cluster group and the cluster group; The terminal contextual information, terminal access bearer information, and service bearer user plane data transfer information.
Target eNode B is opened network side basic function (eNodeB needs this function of network enabled side group) after receiving this request message; And carry out terminal security and authentication process in cluster group and the cluster group; The terminal contextual information is handled, and the terminal access bearer upgrades, and the foundation of user face data passage etc.; After accomplishing said process, target eNode B is sent acknowledge message to source eNodeB.
Source eNodeB receives after this acknowledge message then that user data transmission to target eNode B, target eNode B handles and send to source eNodeB to data.
After source eNodeB receives data processed, send to the target terminal crowd to data.
Through said process, when network side broke down, source eNodeB can coordinate to accomplish terminal room with target eNode B and communicate by letter with internetwork in the terminal, and can carry out some basic services and handle, resource that simultaneously can balanced each eNodeB.
Use the present invention; When network side breaks down, send a request message to the target BWA by the source BWA, this request message carries accomplishes the required necessary information of group service; Accomplish the network side basic function by the target BWA; Thereby can avoid in the prior art, when network side breaks down and the source BWA can't be accomplished the problem of network side basic function, farthest reduce of the influence of network side fault business.The present invention coordinates to accomplish terminal room through the source BWA with the target BWA and communicate by letter with internetwork in the terminal, and can carry out some basic services and handle, resource that simultaneously can balanced each BWA.
The above is merely embodiments of the invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.

Claims (10)

1. trunked communication system comprises: the terminal, be used for a plurality of BWAs of access network side, wherein:
The source BWA of said terminal attaching is used for after detecting network side and breaking down, if the terminal that the source BWA exists success to insert then sends a request message to adjacent target BWA immediately; If the terminal that the source BWA does not exist success to insert sends a request message to adjacent target BWA when then initiating trunked call at the terminal; Described request message is used for the request target BWA and carries out the network side basic function;
Said target BWA is used for opening the network side basic function according to described request message, processes user data, and the alternate source BWA is accomplished the network side basic function.
2. trunked communication system as claimed in claim 1 is characterized in that,
The information that described request message is carried comprises a kind of in the following information or their combination: cluster group ID; Cluster group temporary identity sign; Terminal security and authentication functions in cluster group and the cluster group; The terminal access bearer is set up function, terminal context information store function, service bearer user plane data transfer function.
3. trunked communication system as claimed in claim 2 is characterized in that,
Said source BWA is after detecting network side and breaking down; If the terminal that the source BWA exists success to insert comprises in the request message that adjacent target BWA sends immediately: the network side identification information that breaks down, cluster group ID; Cluster group temporary identity sign; The terminal contextual information, user's access bearer information, and service bearer user plane data transfer information;
Said source BWA is after detecting network side and breaking down; If the terminal that the source BWA does not exist success to insert; In the request message that adjacent target BWA sends, comprise when then initiating trunked call: the network side identification information that breaks down, cluster group ID, cluster group temporary identity sign at the terminal; Terminal security and authentication functions in cluster group and the cluster group; The terminal contextual information, terminal access bearer information, and service bearer user plane data transfer information.
4. trunked communication system as claimed in claim 1 is characterized in that, said BWA is the Node B of grand BWA or little BWA or enhancing.
5. trunked communication system as claimed in claim 1 is characterized in that said terminal is a handheld terminal, car-mounted terminal, fixed station, wireless dispatching platform, or wired dispatching desk.
6. the fail-soft method of collaborative process in the trunked communication system comprises:
When the network side of trunked communication system breaks down; The source BWA of terminal attaching is after detecting network side and breaking down, if the terminal that the source BWA exists success to insert then sends a request message to adjacent target BWA immediately; If the terminal that the source BWA does not exist success to insert sends a request message to adjacent target BWA when then initiating trunked call at the terminal; Described request message is used for the request target BWA and carries out the network side basic function;
Said target BWA is opened the network side basic function according to described request message, processes user data, and the alternate source BWA is accomplished the network side basic function.
7. method as claimed in claim 6; It is characterized in that the information that described request message is carried comprises a kind of in the following information or their combination: cluster group ID, cluster group temporary identity sign; Terminal security and authentication functions in cluster group and the cluster group; The terminal access bearer is set up function, terminal context information store function, service bearer user plane data transfer function.
8. method as claimed in claim 6 is characterized in that,
Said source BWA is after detecting network side and breaking down; If the terminal that the source BWA exists success to insert then comprises in the request message that adjacent target BWA sends immediately: the network side identification information that breaks down, cluster group ID; Cluster group temporary identity sign; The terminal contextual information, user's access bearer information, and service bearer user plane data transfer information;
After said target BWA is received this request message; Open the network side basic function; And carry out the terminal contextual information and handle, user's access bearer upgrades, and the user face data passage is set up; After accomplishing said process, the target BWA sends acknowledge message to the source BWA;
After said source BWA is received this acknowledge message; User data transmission to target BWA, the user data after said target BWA is handled user data and will be handled sends the source BWA to;
After the source BWA is received the user data of handling, send to the target terminal crowd to user data.
9. method as claimed in claim 6 is characterized in that,
Said source BWA is after detecting network side and breaking down; If the terminal that the source BWA does not exist success to insert; In the request message that adjacent target BWA sends, comprise when then initiating trunked call: the network side identification information that breaks down, cluster group ID, cluster group temporary identity sign at the terminal; Terminal security and authentication functions in cluster group and the cluster group; The terminal contextual information, terminal access bearer information, and service bearer user plane data transfer information;
Said target BWA is opened the network side basic function after receiving this request message; And carry out terminal security and authentication process in cluster group and the cluster group; The terminal contextual information is handled, and the terminal access bearer upgrades, and the user face data passage is set up; After accomplishing said process, the target BWA sends acknowledge message to the source BWA;
The source BWA receives after this acknowledge message that then user data transmission to target BWA, the target BWA handles and send to the source BWA to data;
After the source BWA is received data processed, send to the target terminal crowd to data.
10. like each described method in the claim 6 to 9, it is characterized in that,
Said BWA is the Node B of grand BWA or little BWA or enhancing.
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