CN103124397B - Keep the successional processing method and processing device of group service - Google Patents
Keep the successional processing method and processing device of group service Download PDFInfo
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- CN103124397B CN103124397B CN201110369326.8A CN201110369326A CN103124397B CN 103124397 B CN103124397 B CN 103124397B CN 201110369326 A CN201110369326 A CN 201110369326A CN 103124397 B CN103124397 B CN 103124397B
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Abstract
The invention discloses one kind to keep the successional processing method and processing device of group service, and this method includes：User equipment obtains system broadcast information from current persistent district；User equipment judges the group service session information of target adjacent area whether is carried in system broadcast information；If it is, user equipment carries out keeping group service continuity to handle according to group service session information to the group service of user equipment；If not, Logical Traffic Channels data of the user equipment in target adjacent area carry out keeping the processing of group service continuity.The successional holding of group service is realized by the present invention.
Description
Technical field
The present invention relates to the communications field, and the successional processing method of group service and dress are kept in particular to one kind
Put.
Background technology
Long Term Evolution (Long Time Evolution, referred to as LTE) is 3-G (Generation Three mobile communication system) collaborative project
The mobile broadband network mark of future generation that (Third Generation Partnership Project, referred to as 3GPP) is defined
It is accurate.Using OFDM (Orthogonal Frequency Division Multiplexing, referred to as OFDM) skill
Art simultaneously introduces multiple-input and multiple-output multiple-input and multiple-output (Multiple Input Multiple Output, referred to as MIMO) etc.
Technology；1.25-20MHz bandwidth can be supported simultaneously, peak data rate and power system capacity are drastically increased, in 20MHz bands
The descending 100Mbit/s of the lower support of width, up 50Mbit/s peak rate, meanwhile, the network structure of flattening enhances scheduling
With wireless heterogeneous networks efficiency, the time delay that continues is shortened.
Multimedia broadcast/multi broadcast business (Multimedia Broadcast Multicast Service, referred to as
MBMS) supported in No.3 generation mobile communication system, enhanced multimedia of the framework in forth generation mobile communication LTE system
Broadcast/multi broadcast (Enhanced Multimedia Broadcast Multicast Service, referred to as eMBMS) is by industry
Regard as has a business of application scenarios very much, and it is achieved in that the intelligent terminal with video capability is believed by multicast physics
Road (Multicast Physical Channel, referred to as PMCH) receives the digital audio/video business of broadcast/group broadcast form,
Also, 3GPP consensus standards give total solution to eMBMS business realizings and networking mode.
Trunked communication system is developed, towards the special of specific industry application to meet industry user's command scheduling demand
With wireless communication system, the system using command scheduling as main body application, its wireless user can sharing wireless channel, be a kind of multi-purpose
On the way, dynamical wireless communication system, and possess the characteristic of distinctive group of calling function and short calling.Trunked communication system with
The cellular mobile system of the public, which is compared, has following features：(1) call proceeding is fast；(2) group exhales interior users to share downlink group
Broadcast reception；(3) half-duplex operation PoC (Push To Talk, referred to as PTT) mode, the user for possessing up-link are
The right of speech user that group is exhaled；(4) individual call and group calling are supported；(5) when calling and talk, PTT keys need to be pinned, it is called to be not required to
Off-hook.
By above-mentioned comparison, cluster communication service possesses plurality of advantages, and therefore, trunked communication system is in portion of government
The fields such as door, public safety, emergency communication, electric power, civil aviaton, petrochemical industry and army have a wide range of applications market.Also, collect
Group communication system technically will also develop to the direction of system IPization, business variation, data broadband, the more modellings of terminal,
From the point of view of specifically angle is applied, high-speed data, video and a variety of applications being implemented on this basis are mainly reflected in.Cause
This is, it is necessary to which trunked communication system is low with bigger channel capacity, the higher availability of frequency spectrum, more preferable transmission performance, use
Cost, scalable, configurable IP full wireless multimedia network architecture, and smooth evolution can be realized.
The to sum up service feature of trunked communication system, it is double that a kind of time-division based on eMBMS has been proposed in the prior art
Work Long Term Evolution (Time Division-Long Time Evolution, referred to as TD-LTE) wideband digital group service is real
Existing method, this method use eMBMS framework bearing cluster services, cluster service group calling are mapped as into MBMS sessions.During group is exhaled
Downlink shared channel reuses the RAB of the downlink of MBMS sessions.
For TD-LTE cells be eMBMS/ Unicast-mixed cells in the case of, in order to save Radio Resource, carry to greatest extent
High spectrum utilization, it can use when being resident in system detectio to group service session institute serving cell without group user,
Its Radio Resource can be then that unicast (unicast) business is seized by wireless network.However, when group exhale in be in Idle state (RRC_
IDLE user) leads to not keep group-calling service continuity because of cell reselection when being resident the cell again.
The content of the invention
User for being in Idle state in correlation technique can not keep the successional problem of group service session, this hair
It is bright to provide a kind of holding successional processing method and processing device of group service, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of keep the successional processing method of group service, this method bag
Include：The user equipment obtains system broadcast information from current persistent district；The user equipment judges the system broadcasts letter
Whether the group service session information of target adjacent area is carried in breath；If it is, the user equipment is according to the group service meeting
Words information carries out keeping the group service continuity to handle to the group service of the user equipment；If not, the user
Logical Traffic Channels data of the equipment in the target adjacent area carry out keeping the group service continuity to handle.
Preferably, the group service session information includes：Group service session that the adjacent area has begun to and described
Whether group service session establishes Radio Resource instruction.
Preferably, it is the group service meeting of carrying target adjacent area in the user equipment judges the system broadcast information
In the case of talking about information, the user equipment enters according to the group service session information to the group service of the user equipment
Row keeps the group service continuity processing to include：It is adjacent in target to detect the added group service session of the user equipment
Whether the Radio Resource in area is configured.
Preferably, detect the added group service session of the user equipment target adjacent area Radio Resource
In the case of being configured, the user equipment is with carrying out the group service meeting in the persistent district same physical channel
Words.
Preferably, detect the added group service session of the user equipment target adjacent area Radio Resource not
In the case of being configured, the user equipment enters according to the group service session information to the group service of the user equipment
Row keeps the group service continuity processing to include：The user equipment initiates to establish the mesh in the current persistent district
Mark the Radio Resource of adjacent area；Base station belonging to the user equipment sends adjoining base station multi-media broadcast to mobile management unit MME
/ multicast service session addition instruction is broadcast, wherein, the adjoining base station multimedia broadcast/multi broadcast business session adds instruction and carried
Target BS number and Target cell number；The MME, which receives the adjoining base station multimedia broadcast/multi broadcast business session and added, to be referred to
After showing, send multimedia broadcast/multi broadcast business session to multi-service integrated load bearing equipment MCE and add instruction, wherein, it is described more
Media broadcast/multicast service session adds instruction and carries target BS number and Target cell number.
Preferably, the user equipment establishes the Radio Resource of the target adjacent area also in the current persistent district initiation
Including：The MCE is sent more after receiving the multimedia broadcast/multi broadcast business session and adding instruction to target BS
Media broadcast/multicast service session adds instruction, wherein, the multimedia broadcast/multi broadcast business session adds instruction and carries mesh
Mark cell id；The target BS receives the multimedia broadcast/multi broadcast business session and added after instruction, the target base
Stand and send the configuration of MBSFN regions in multicast control channel MCCH.
Preferably, after establishing Radio Resource in the target adjacent area, the target BS to exist and the target BS
The neighbor base station signalling of bouquet service conversation change instruction of same group business.
Preferably, the target BS is in the presence of the neighbor base station signalling of bouquet with the target BS same group business
Service conversation change instruction includes：The target BS sends adjacent area group service session change to mobile management unit MME and referred to
Show message, wherein, the adjacent area group service session change instruction message carries target neighbor base station number, cell id, cluster industry
Business session change instruction.
Preferably, the target BS is in the presence of the neighbor base station signalling of bouquet with the target BS same group business
Service conversation change instruction also includes：The MME is to the neighbor base station signalling of bouquet service conversation change instruction message；It is described
Neighbor base station is according to the group service session change instruction message received, in the system broadcast message for updating respective cell
Cluster session information.
Preferably, the neighbor base station is corresponding according to the group service session change instruction message received, renewal
After cluster session information in the system broadcast message of cell, including：The neighbor base station sends to the user equipment and sought
Message is exhaled, notifies the user device system broadcast message to have altered；The user equipment is read, and after preserving the renewal
System broadcast message.
Preferably, the situation of the group service session information of the target adjacent area is not carried in the system broadcast information
Under, Logical Traffic Channels data of the user equipment in the target adjacent area, which carry out business continuance processing, to be included：Institute
State user equipment and read data from Logical Traffic Channels in target adjacent area；Group service session number is read in the user equipment
According to when, keep the continuity of the group service session.
Preferably, including：When the user equipment adds or leaves cluster service group, notify that the user equipment is currently small
Base station where area；Base station where the user equipment current area is according to the number of users of group service session, it is determined whether
Discharge the Radio Resource of group service session.
Preferably, the group service session information cluster of base station to the target adjacent area where the persistent district
Business configuration.
Preferably, the system broadcast information is configured the group service session information bag of its adjacent area by the persistent district
Include：According to the group service session start or stopping of the adjacent area, the system broadcast information for updating the persistent district is matched somebody with somebody
Put.
According to another aspect of the present invention, a kind of successional processing unit of group service is additionally provided, the device bag
Include：Acquisition module, positioned at user equipment, for obtaining system broadcast information from current persistent district；Judge module, positioned at described
User equipment, for judging whether to carry the group service session information of target adjacent area in the system broadcast information；At first
Module is managed, positioned at the user equipment, in the case where the judged result of the judge module is to be, for according to the cluster
Service conversation information carries out the group service continuity to the group service of the user equipment and handled；Second processing module,
Positioned at the user equipment, in the case where the judged result of the judge module is no, the user equipment is according to the mesh
The Logical Traffic Channels data marked in adjacent area carry out business continuance processing.
Preferably, the group service session information includes：Group service session that the adjacent area has begun to and described
Whether group service session establishes Radio Resource instruction.
Preferably, the processing unit also includes detection module, and the detection module is used in the system broadcast information
In the case of the group service session information for carrying the target adjacent area, the added group service meeting of the user equipment is detected
Talk about whether the Radio Resource in target adjacent area is configured.
By the present invention, using the group service session information of the configuring adjacent cell in system broadcast information, work as user equipment
When carrying out cell reselection, pass through the group service session information of the target adjacent area carried in detecting system broadcast message, Yi Jigen
According to the Logical Traffic Channels data in target adjacent area, to keep business continuance, collect so as to solve caused by cell reselection
The problem of group business interrupts, and then holding group service successional effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the holding successional processing method of group service according to embodiments of the present invention；
Fig. 2 is the structured flowchart of the holding successional processing unit of group service according to embodiments of the present invention；
Fig. 3 is the holding successional processing method of cluster service user appliance services according to the preferred embodiment of the invention
Flow chart；
Fig. 4 is according to the preferred embodiment of the invention by the group service Radio Resource change of X2 mouths notice target eNB adjacent areas
More indicate the schematic diagram of flow；
Fig. 5 is eNB notice MME adjacent areas group service Radio Resource change instruction flow according to the preferred embodiment of the invention
Schematic diagram；
Fig. 6 is MME notice eNB adjacent areas group service Radio Resource change instruction flow according to the preferred embodiment of the invention
Schematic diagram；
Fig. 7 is the flow chart of random access procedure of the non-right of speech user according to the preferred embodiment of the invention in cell-of-origin；
Fig. 8 is the stream of another random access procedure of the non-right of speech user in cell-of-origin according to the preferred embodiment of the invention
Cheng Tu.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
In order that user in the cell exhale as early as possible by addition group after obtaining gravity treatment, one kind is proposed in the present embodiment and is based on TD-
For LTE system based on eMBMS frameworks, the non-right of speech user that carrying wideband digital group service is in RRC-IDLE states realizes business
The method that continuity is kept, i.e. the non-right of speech customer service continuity of eMBMS TD-LTE wideband digital group service Idle state
The method of holding, to keep the continuity of group service of the non-right of speech user of RRC_IDLE states in moving process.
Fig. 1 is the flow chart of the holding successional processing method of group service according to embodiments of the present invention, such as Fig. 1 institutes
Show, the flow comprises the following steps：
Step S102, user equipment obtain system broadcast information from current persistent district.
Step S104, the user equipment judge the group service session letter of target adjacent area whether is carried in system broadcast information
Breath.
Step S106, in the case where step S104 judged result is to be, the user equipment is according to group service session
Information carries out keeping the processing of group service continuity to the group service of user equipment.
Step S108, in the case where step S104 judged result is no, the user equipment is according in target adjacent area
Logical Traffic Channels data carry out keeping the processing of group service continuity.
By above-mentioned steps, by using the group service session information that target adjacent area is configured in system broadcast information,
When user equipment carries out cell reselection, the group service session information of the target adjacent area carried in detecting system broadcast message,
And the Logical Traffic Channels data in target adjacent area, to keep business continuance, so as to solve because cell reselection is led
The problem of group service of cause interrupts, and then the successional effect of holding group service.
In the case where user equipment judges the group service session information that system broadcast information carries target adjacent area, the collection
Group business session information comprises at least：Whether the group service session and group service session that adjacent area has begun to establish wireless money
Source indicates.Also, it is the feelings for the group service session information for carrying target adjacent area in user equipment judges system broadcast information
Under condition, user equipment to the group service of user equipment keep at group service continuity according to group service session information
Reason includes：Detect whether Radio Resource of the added group service session of user equipment in target adjacent area is configured.
Preferably, detect the added group service session of user equipment target adjacent area Radio Resource by
In the case of configuration, user equipment is with carrying out group service session in the same physical channel of persistent district.
More preferably, detect the added group service session of user equipment target adjacent area Radio Resource not by with
In the case of putting, user equipment carries out keeping group service to connect according to group service session information to the group service of user equipment
Continuous property processing includes random access procedure of the non-right of speech user in cell-of-origin：User equipment initiates to establish mesh in current persistent district
Mark the Radio Resource of adjacent area；Base station belonging to user equipment sends adjoining base station multimedia broadcasting/more to mobile management unit MME
Broadcast service conversation and add instruction, wherein, the session of adjoining base station multimedia broadcast/multi broadcast business adds instruction and carries target BS number
With Target cell number；MME receives the session of adjoining base station multimedia broadcast/multi broadcast business and added after instruction, comprehensive to multi-service
Close load bearing equipment MCE and send multimedia broadcast/multi broadcast business session addition instruction, wherein, multimedia broadcast/multi broadcast business session
Add instruction and carry target BS number and Target cell number.
More preferably, user equipment is initiated to establish the Radio Resource of target adjacent area in current persistent district and also included：MCE is connecing
Receive the multimedia broadcast/multi broadcast business session to add after instruction, multimedia broadcast/multi broadcast business is sent to target BS
Session adds instruction, wherein, multimedia broadcast/multi broadcast business session adds instruction and carries Target cell number；Target BS receives
After adding instruction to multimedia broadcast/multi broadcast business session, target BS sends MBSFN regions in multicast control channel MCCH
Configuration.
As the preferably embodiment of the present embodiment, after establishing Radio Resource in target adjacent area, target BS is to presence
With the neighbor base station signalling of bouquet service conversation change instruction of target BS same group business.As the present embodiment preferably
Embodiment, target BS refer to in the presence of with the change of the neighbor base station signalling of bouquet service conversation of target BS same group business
Show including：Target BS sends adjacent area group service session change instruction message to mobile management unit MME, wherein, adjacent area collection
Group business session change instruction message carries target neighbor base station number, cell id, group service session change instruction；MME is to neighbour
Area base station signalling of bouquet service conversation change instruction message；Neighbor base station disappears according to the group service session change instruction received
Breath, updates the cluster session information in the system broadcast message of respective cell.
As the preferably embodiment of the present embodiment, target neighbor base station changes according to the group service session received
Message is indicated, after updating the cluster session information in the system broadcast message of respective cell, including：Neighbor base station is set to user
Preparation send beep-page message, and notifying user equipment system broadcast message has altered；User equipment is read, and preserves the system after renewal
Broadcast message.
As another preferably embodiment of the present embodiment, the collection of target adjacent area is not carried in system broadcast information
In the case of group business session information, Logical Traffic Channels data of the user equipment in target adjacent area carry out keeping cluster industry
Business continuity processing includes：User equipment reads data in target adjacent area from Logical Traffic Channels；Collection is read in user equipment
During group business session data, the continuity of group service session is kept.
More preferably, the present embodiment includes：When user equipment adds or leaves cluster service group, notifying user equipment is current
Base station where cell；Base station where user equipment current area is according to the number of users of group service session, it is determined whether releases
Put the Radio Resource of group service session.
More preferably, the cluster session information of the above-mentioned target adjacent area cluster industry of base station to target adjacent area where persistent district
Business configuration.
The group service session information that system broadcast information in the present embodiment is configured its adjacent area by persistent district includes：Root
According to the group service session start or stopping of adjacent area, the system broadcast information configuration of persistent district is updated.
In the present embodiment, additionally provide and keep the successional processing unit of group service, the device is above-mentioned for realizing
Embodiment and its preferred embodiment, repeating no more for explanation, the modules being related to below to the device were carried out
Illustrate.As used below, term " module " can realize the combination of the software and/or hardware of predetermined function.Although
System and method described by following examples are preferably realized with software, but hardware, or the combination of software and hardware
Realization and may and be contemplated.
Fig. 2 is the structured flowchart of the holding successional processing unit of group service according to embodiments of the present invention, such as Fig. 2 institutes
Show, the structured flowchart includes acquisition module 20, judge module 22, first processing module 24 and Second processing module 26, below it is right
The modules and its function of the device illustrate.
Acquisition module 20, positioned at user equipment, for obtaining system broadcast information from current persistent district.Judge module 22
Acquisition module 20 is connected to, positioned at user equipment, for judging whether to carry the cluster industry of target adjacent area in system broadcast information
Business session information；First processing module 24 is connected to judge module 22, positioned at user equipment, is in the judged result of judge module
In the case of being, for being carried out keeping group service continuity to the group service of user equipment according to group service session information
Processing；Second processing module 26 is connected to judge module 22, positioned at user equipment, is no in the judged result of judge module 22
In the case of, Logical Traffic Channels data of the user equipment in target adjacent area carry out keeping the processing of group service continuity.
Group service session information includes：Whether the group service session and group service session that adjacent area has begun to establish
Radio Resource indicates.
As a kind of preferably embodiment of the present embodiment, the device also includes detection module, and detection module is used for
In the case of the group service session information that target adjacent area is carried in system broadcast information, the added cluster of user equipment is detected
Whether Radio Resource of the service conversation in target adjacent area is configured.
Illustrated with reference to preferred embodiment, the preferred embodiment combines above-described embodiment and its side of being preferable to carry out
Formula, in the preferred embodiment, there is provided a kind of non-words of TD-LTE wideband digital group system RRC_IDLE states based on eMBMS
Weigh the method that user keeps business continuance.Fig. 3 is holding cluster service user equipment manufacture industry according to the preferred embodiment of the invention
The flow chart for successional processing method of being engaged in, as shown in figure 3, the flow comprises the following steps：
Step S302, cluster service user equipment (for example, RRC_IDLE or RRC_CONNECTED) add or left cluster
During service group, real-time informing eNB.
In step s 302, eNB is according to user's periodical evaluation of each cell group service session, it is determined that to each cell cluster
Whether the Radio Resource of service conversation discharges, to be used by unicast service.Periodical evaluation just refers to according to certain configuration
In the cycle, assess the Radio Resource occupancy situation of group service session in cell.
Step S304, persistent district need to configure to the group service session information of its affiliated adjacent area in system broadcast information.
In step s 304, when the group service session start or stopping of adjacent area, the system broadcast information of persistent district
Configuration need to update, the group service session information has started to group service session and group service session comprising adjacent area is
It is no to establish Radio Resource instruction, also, the renewal of system broadcast information passes through beep-page message notifying user equipment (User
Equipment, referred to as UE), UE re-reads system information and stored.
Step S306, whether cluster service user equipment is according to carrying group service session information pair in system broadcast information
Group service continuity is handled.
In step S306, when the non-right of speech user of RRC_IDLE states needs cell reselection to Target cell, stayed from currently
Cell is stayed to obtain the group service session information of neighbor cell configuration in system broadcast information, detecting this side, to have added session small in target
The Radio Resource instruction in area, group service session is established in Target cell to decide whether to initiate RRC connections foundation request
Radio Resource, if group service session exists in Target cell and Radio Resource does not configure, non-right of speech user is resident currently
Cell initiating random access procedure, reason is established to establish Radio Resource instruction.The eNB (source eNB) of persistent district ownership is received
Indicated to Stochastic accessing reason for MCCH resources, notify MME, MME notices MCE, MCE reinform the eNB (targets of adjacent area ownership
ENB Radio Resource) is established；If group service session exists in Target cell and Radio Resource has been configured, non-right of speech user
Group service session is directly intercepted in the same physical channel of cell-of-origin.
If group service session is not present in Target cell, non-right of speech user first attempts to read from MTCH in Target cell
Access evidence, continue to keep if reading group service conversation, otherwise group service session less than if.
The non-right of speech user of Idle state proposed by above-mentioned steps, the TD-LTE wideband digitals group system based on eMBMS
Business continuance keeping method, meet in group system and the non-right of speech customer service company of minimum interface-free resources holding is taken with eNB
The requirement of continuous property.
In preferred embodiment below and embodiments thereof, to the TD-LTE wideband digital group systems based on eMBMS
The non-right of speech user of RRC_IDLE states keeps business continuance implementation method to be illustrated.
Firstth, eNB sets group service group's assessment cycle, when reaching assessment cycle, firstly, for each cell,
User's number of the ongoing group service group of the cell is added up；Secondly, the ongoing group service of cell is judged
Whether group user number is 0, is such as 0, then the Release radio resource of the cell group service group, to be unicast service
Used；If greater than 1, be set, and flow terminates next assessment cycle.
Secondth, when the group service group Radio Resource of cell is established or discharged, it is necessary to perform following steps：
Step 1, eNB (source eNB) searches whether the adjacent area that same group business be present where cell, if finding, continues to walk
Rapid 2, otherwise skip to step 7；
Step 2, source eNB judges and adjacent area place eNB (target eNB) connects with the presence or absence of X2, if in the presence of being led to by X2
Know target eNB adjacent areas group service session change instruction (eMBMS SESSION CHANGE INDICATION), Fig. 4 is basis
The signal that target eNB adjacent areas group service Radio Resource change instruction flow is notified by X2 mouths of the preferred embodiment of the present invention
Figure, then skips to step 5；Otherwise step 3 is performed.
Wherein, group service session change instruction carries this cell id and collection group session change instruction, and message content is such as
Shown in table one：
Table one,
Step 3, source eNB notifies MME adjacent area group service sessions change instruction (INTRA eNB eMBMS SESSION
CHANGE INDICATION), Fig. 5 is eNB notice MME adjacent areas group service Radio Resource according to the preferred embodiment of the invention
The schematic diagram of change instruction flow.
Wherein, the group service session change instruction carries target eNB, this cell id and group service session change
Instruction, message content is as shown in Table 2：
Table two,
Step 4, MME is to target eNB signalling of bouquet service conversations change instruction (eMBMS SESSION CHANGE
INDICATION), Fig. 6 is MME notice eNB adjacent areas group service Radio Resource change instruction according to the preferred embodiment of the invention
The schematic diagram of flow.
Wherein, the group service session change instruction message content is as shown in Table 3：
Table three,
Step 5, target eNB searches associated cell according to group service, and updates in the system broadcast information of respective cell
Group service session information, by beep-page message notify UE system informations have altered.
Step 6, UE re-reads system broadcast information and preserved.
Step 7, flow terminates.
Non- right of speech user is ruled out in moving process i.e. by cell reselection to Target cell, and whether decision-making is initiated to connect at random
Enter process, the process comprises the following steps：
Step 1, non-right of speech user is obtained in SIB4 according to the agreements of 3GPP 36.331 in current persistent district
Tmgi-InfoList information under IntraFreqNeighCellInfo, the information is as shown in Table 4：
Table four,
Step 2, non-right of speech user checks that the group service monitored whether there is in table four：
If being not present, attempt directly to read data from MTCH, if can read, the group service continues to keep, if not
It can read, then the group service interrupts, and skips to step 4；If in the presence of continuing to judge that cluster wireless resource establishes mark, if
Establish, then directly reselect to Target cell, directly read cluster conversation data from the MTCH of Target cell, skip to step 4；If not yet
There is foundation, then non-right of speech user triggers random access procedure, and the flow that its flow and unicast service trigger is identical, is simply existed
RRCConnectionRequest extended field carries the adjacent area physical district ID of gravity treatment, and establishes reason to establish MCCH
Resource indicates that message content is as shown in Table 5：
Table five,
Step 3, non-right of speech user random access procedure terminates, and gravity treatment to Target cell is direct from the MTCH of Target cell
Read cluster conversation data.
Step 4, flow terminates.
Source eNB receives access request (RRCConnectionRequest), judges that EstablishmentCause is
Mcch-setup, Fig. 7 are the flows of random access procedure of the non-right of speech user according to the preferred embodiment of the invention in cell-of-origin
Figure, as shown in fig. 7, the flow comprises the following steps：
Step S702, source eNB send adjacent eNB eMBMS sessions to MME and add instruction, wherein, the instruction carries target
Base station number and Target cell number.
Step S704, MME receives adjacent eNB eMBMS sessions and adds instruction message, to MCE transmission eMBMS session additions
Instruction, wherein, the instruction carries target BS number and Target cell number.
Step S706, MCE send eMBMS sessions to target eNB and add instruction, wherein, the instruction carries Target cell number.
Step S708, target eNB send the configuration of MBSFN regions in MCCH.
Fig. 8 is the stream of another random access procedure of the non-right of speech user in cell-of-origin according to the preferred embodiment of the invention
Cheng Tu, as shown in figure 8, the flow includes S1-S4：
S1, source eNB send INTRA eNB eMBMS SESSION JOIN INDICATION (adjacent eNB to MME
EMBMS sessions add instruction), adjoining eNB eMBMS sessions add instruction and carry target eNB and Target cell number, message
Content is as shown in Table 6：.
Table six,
S2, MME receive adjacent eNB eMBMS sessions and add instruction message, and eMBMS SESSION JOIN are sent to MCE
INDICATION (eMBMS sessions add instruction), the eMBMS sessions add instruction and carry target eNB and Target cell number, disappear
Cease shown in content reference table seven：
Table seven,
S3, MCE send eMBMS SESSION JOIN INDICATION (eMBMS sessions add instruction) to target eNB,
The eMBMS sessions add instruction and carry Target cell number, shown in message content reference table eight：
Table eight,
S4, target eNB send MBSFNAreaConfiguration (configuration of MBSFN regions) in MCCH.
Realized by above-described embodiment and its preferred embodiment and meet non-right of speech user to take minimum interface-free resources
Mobile successional requirement.
In another embodiment, a kind of holding successional processing software of group service is additionally provided, the software is used
In the technical scheme described in execution above-described embodiment and preferred embodiment.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored with the storage medium, should
Storage medium includes but is not limited to CD, floppy disk, hard disk, scratch pad memory etc..
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, so as to being stored in
Performed in storage device by computing device, they are either fabricated to each integrated circuit modules respectively or by them
Multiple modules or step be fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hard
Part and software combine.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (14)
1. one kind keeps the successional processing method of group service, it is characterised in that including：
User equipment obtains system broadcast information from current persistent district；
The user equipment judges the group service session information of target adjacent area whether is carried in the system broadcast information；
If it is, the user equipment is protected according to the group service session information to the group service of the user equipment
Hold the group service continuity processing；
If not, Logical Traffic Channels data of the user equipment in the target adjacent area carry out keeping the cluster industry
Continuity of being engaged in processing；
Wherein, it is the group service session information of carrying target adjacent area in the user equipment judges the system broadcast information
In the case of, the user equipment is kept according to the group service session information to the group service of the user equipment
The group service continuity processing includes：Detect nothing of the added group service session of the user equipment in target adjacent area
Whether line resource is configured；Detecting Radio Resource of the added group service session of the user equipment in target adjacent area
In the case of not being configured, group service of the user equipment according to the group service session information to the user equipment
Carry out keeping the group service continuity processing to include：The user equipment is initiated described in foundation in the current persistent district
The Radio Resource of target adjacent area；Base station belonging to the user equipment sends adjoining base station multimedia to mobile management unit MME
Broadcast/multi broadcast business session adds instruction, wherein, the adjoining base station multimedia broadcast/multi broadcast business session adds instruction and taken
Band target BS number and Target cell number；The MME receives the adjoining base station multimedia broadcast/multi broadcast business session and added
After instruction, send multimedia broadcast/multi broadcast business session to multi-service integrated load bearing equipment MCE and add instruction, wherein, it is described
Multimedia broadcast/multi broadcast business session adds instruction and carries the target BS number and the Target cell number.
2. processing method according to claim 1, it is characterised in that the group service session information includes：The neighbour
Whether the group service session and the group service session that area has begun to establish Radio Resource instruction.
3. processing method according to claim 1, it is characterised in that detecting the added cluster of the user equipment
Service conversation in the case where the Radio Resource of target adjacent area has been configured, the user equipment with the persistent district phase
With carrying out the group service session on physical channel.
4. processing method according to claim 1, it is characterised in that the user equipment is sent out in the current persistent district
Rise and establish the Radio Resource of the target adjacent area and also include：
The MCE sends more matchmakers after receiving the multimedia broadcast/multi broadcast business session and adding instruction, to target BS
The session of body broadcast/multi broadcast business adds instruction, wherein, the multimedia broadcast/multi broadcast business session is added described in instruction carrying
Target cell number；
The target BS receives the multimedia broadcast/multi broadcast business session and added after instruction, and the target BS exists
Multicast control channel MCCH sends the configuration of MBSFN regions.
5. processing method according to claim 4, it is characterised in that after establishing Radio Resource in the target adjacent area, institute
Target BS is stated to the neighbor base station signalling of bouquet service conversation change instruction existed with the target BS same group business.
6. processing method according to claim 5, it is characterised in that the target BS to exist and the target BS
The neighbor base station signalling of bouquet service conversation change instruction of same group business includes：
The target BS sends adjacent area group service session change instruction message to mobile management unit MME, wherein, the neighbour
Area's group service session change instruction message carries target BS number, cell id, group service session change instruction.
7. processing method according to claim 6, it is characterised in that the target BS to exist and the target BS
The neighbor base station signalling of bouquet service conversation change instruction of same group business also includes：
The MME is to the neighbor base station signalling of bouquet service conversation change instruction message；
For the neighbor base station according to the group service session change instruction message received, the system for updating respective cell is wide
Broadcast the cluster session information in message.
8. processing method according to claim 7, it is characterised in that the target BS is according to the cluster received
Service conversation change instruction message, after updating the cluster session information in the system broadcast message of respective cell, including：
The neighbor base station sends beep-page message to the user equipment, notifies the user device system broadcast message to have change
More；
The user equipment is read, and preserves the system broadcast message after the renewal.
9. processing method according to claim 1, it is characterised in that do not carry the mesh in the system broadcast information
In the case of the group service session information for marking adjacent area, Logical Traffic Channels of the user equipment in the target adjacent area
Data carry out keeping the group service continuity processing to include：
The user equipment reads data in target adjacent area from Logical Traffic Channels；
When the user equipment reads group service session data, the continuity of the group service session is kept.
10. according to the processing method described in claim any one of 1-9, it is characterised in that including：
When the user equipment adds or leaves cluster service group, the base station where the user equipment current area is notified；
Base station where the user equipment current area is according to the number of users of group service session, it is determined whether release cluster industry
The Radio Resource of business session.
11. according to the processing method described in claim any one of 1-9, it is characterised in that the cluster session information is by described
Base station where persistent district configures to the group service of the target adjacent area.
12. according to the processing method described in claim any one of 1-9, it is characterised in that the system broadcast information is by described
The group service session information that persistent district configures its adjacent area includes：According to the group service session start of the adjacent area or stop
Only, the system broadcast information of the persistent district is updated.
13. one kind keeps the successional processing unit of group service, it is characterised in that including：
Acquisition module, positioned at user equipment, for obtaining system broadcast information from current persistent district；
Judge module, positioned at the user equipment, for judging whether to carry the collection of target adjacent area in the system broadcast information
Group business session information；
First processing module, positioned at the user equipment, in the case where the judged result of the judge module is to be, for root
The group service of the user equipment is carried out according to the group service session information to keep the group service continuity to handle；
Second processing module, positioned at the user equipment, in the case where the judged result of the judge module is no, the use
Logical Traffic Channels data of the family equipment in the target adjacent area carry out keeping the group service continuity to handle；
Described device also includes detection module, and the detection module is used to carry the target neighbour in the system broadcast information
In the case of the group service session information in area, the added group service session of the user equipment is detected in target adjacent area
Whether Radio Resource is configured；Wherein, detecting the added group service session of the user equipment in target adjacent area
In the case that Radio Resource is not configured, the user equipment is according to the group service session information to the user equipment
Group service carries out keeping the group service continuity processing to include：The user equipment is initiated in the current persistent district
Establish the Radio Resource of the target adjacent area；Base station belonging to the user equipment sends adjacent base to mobile management unit MME
Multimedia broadcast/multi broadcast business session of standing adds instruction, wherein, the adjoining base station multimedia broadcast/multi broadcast business session adds
Enter instruction and carry target BS number and Target cell number；The MME receives the adjoining base station multimedia broadcast/multi broadcast business
Session is added after instruction, and sending multimedia broadcast/multi broadcast business session to multi-service integrated load bearing equipment MCE adds instruction,
Wherein, the multimedia broadcast/multi broadcast business session adds instruction and carries the target BS number and the Target cell number.
14. processing unit according to claim 13, it is characterised in that the group service session information includes：It is described
Whether the group service session and the group service session that adjacent area has begun to establish Radio Resource instruction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110369326.8A CN103124397B (en) | 2011-11-18 | 2011-11-18 | Keep the successional processing method and processing device of group service |
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| CN201110369326.8A CN103124397B (en) | 2011-11-18 | 2011-11-18 | Keep the successional processing method and processing device of group service |
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| CN103124397B true CN103124397B (en) | 2017-11-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096160A1 (en) * | 2013-12-27 | 2015-07-02 | 华为技术有限公司 | Method and device for keeping service continuity |
| CN105992363A (en) * | 2015-02-27 | 2016-10-05 | 北京信威通信技术股份有限公司 | Group communication establishing and communication method in cluster communication system |
| CN106507318B (en) * | 2015-09-06 | 2020-04-03 | 大唐移动通信设备有限公司 | Switching judgment method and device for cluster calling UE |
| CN106412852A (en) * | 2016-11-04 | 2017-02-15 | 海能达通信股份有限公司 | Mobility control method of broadband cluster system, terminal, and base station system |
| CN108616822B (en) * | 2016-12-26 | 2021-05-25 | 普天信息技术有限公司 | Method for reselecting group calling called cell of LTE (Long term evolution) trunking system |
| CN109640275B (en) * | 2018-12-24 | 2021-09-07 | 新华三技术有限公司成都分公司 | Cell reselection method and device and broadband cluster system |
| CN111447569B (en) * | 2020-04-03 | 2021-09-07 | 北京运安智维科技有限公司 | Method for idle called cluster terminal to receive wireless broadband cluster data service |
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