CN102413534A - Cell switching method, system and equipment - Google Patents
Cell switching method, system and equipment Download PDFInfo
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- CN102413534A CN102413534A CN2010102922509A CN201010292250A CN102413534A CN 102413534 A CN102413534 A CN 102413534A CN 2010102922509 A CN2010102922509 A CN 2010102922509A CN 201010292250 A CN201010292250 A CN 201010292250A CN 102413534 A CN102413534 A CN 102413534A
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Abstract
The embodiment of the invention relates to the technical field of wireless communication, in particular to a cell switching method, system and equipment. The invention aims to solve the problem that a terminal in a non-CELL_DCH (dedicated channel) state can not be triggered to access a GSM (Global System for Mobile Communications) cell as an overlapping coverage GSM cell is not configured in the prior art. The method provided by the embodiment of the invention comprises the following steps that: a network side sends an inter-system measurement report parameter to a specific terminal in a non-CELL_DCH state; and the network side selects an adjacent cell from an received inter-system adjacent cell list reported by the specific terminal as a target cell, and triggers to switch the specific terminal to the target cell. As the network side can select the target cell for switching the terminal in a non-CELL_DCH state according to the inter-system adjacent cell list, the terminal in a non-CELL_DCH state can be triggered to be switched to the GSM cell when an overlapping coverage GSM cell is not configured.
Description
Technical field
The present invention relates to wireless communication technology field, method, system and the equipment that switches particularly a kind of sub-district.
Background technology
In the 3G system, terminal (UE) at first sets up RRC (Radio Resource Control, Radio Resource control) with network side and connects when making a call, and sets up RAB (Radio Access Bearer, RAB) afterwards again.Connect for RRC; Network side according to the load condition of sub-district or collocation strategy (such as priority allocation FACH (Forward Access Channel; Forward access channel) or priority allocation DCH (Dedicated Channel; Dedicated channel) resource may be based upon the terminal DCH last (this moment, the terminal was in the CELL_DCH state), also possibly be based upon FACH/RACH (Random Access Channel, RACH) upward (this moment, the user was in CELL_FACH (cell forward access channel) state).
At present, network side might need the terminal to switch to GSM (Global System for Mobile communications, global system for mobile communications) sub-district as required.
Shown in Figure 1A; Network side need switch to the GSM sub-district with the terminal based on factors such as loads; For the user of CELL_FACH state, the overlapping covering GSM sub-district that network side generally disposes Operation and Maintenance is as target GSM sub-district; Network side is through " CELL CHANGE ORDER FROM UTRAN (leaving the cell change order of UMTS land radio access web) " message afterwards, and the triggering terminal gravity treatment is to the GSM sub-district.After terminal gravity treatment success, CN (Core Network, core net) can initiate the Iu dispose procedure, the terminal is connected at the Iu of 3G network discharge.
Shown in Figure 1B; Network side receives that the RRC at terminal connects after the request of foundation; Because can refusing the RRC at terminal, inadequate resource or operation strategy (such as voice are all switched to the GSM sub-district), network side connect the request of foundation, in the refuse information; Carry the GSM sub-district of overlapping covering, as redirected target GSM sub-district, terminal.The terminal receives after the RRC connection refused message that gravity treatment is to the GSM sub-district, and laying equal stress on newly makes a call.
For the terminal that is in non-CELL _ DCH state; When network side needs the triggering terminal gravity treatment or switches to the GSM sub-district; With the overlapping covering GSM sub-district of Operation and Maintenance configuration as Target cell; If do not dispose overlapping covering GSM sub-district, then the network side terminal that can't trigger non-CELL _ DCH state switches to the GSM sub-district.
In sum, network side is not when disposing overlapping covering GSM sub-district at present, and the terminal that can't trigger non-CELL _ DCH state switches to the GSM sub-district.
Summary of the invention
Method, system and equipment that the embodiment of the invention provides a kind of sub-district to switch, in order to solve exist in the prior art when not disposing overlapping covering GSM sub-district, the terminal that can't trigger non-CELL _ DCH state is linked into the problem of GSM sub-district.
The method that switch a kind of sub-district that the embodiment of the invention provides comprises:
Network side is to the particular terminal transmitting system measurements Report Parameters that is in non-cell private channel CELL_DCH state;
Said network side selects an adjacent sub-district as Target cell the adjacent cell list between the system of receiving that reports from said particular terminal, and triggers said particular terminal and switch to said Target cell.
The method that switch the another kind of sub-district that the embodiment of the invention provides comprises:
The particular terminal that is in non-cell private channel CELL_DCH state is confirmed adjacent cell list between system, and is sent adjacent cell list between said system to said network side according to the system's measurements Report Parameters of receiving from network side;
Said particular terminal switches to the Target cell of said network side appointment under the triggering of said network side.
The network equipment that switch a kind of sub-district that the embodiment of the invention provides comprises:
Measurement report parameter sending module is used for to the particular terminal transmitting system measurements Report Parameters that is in non-cell private channel CELL_DCH state;
Select module, be used for selecting an adjacent sub-district as Target cell from adjacent cell list between the system of receiving that reports from said particular terminal;
Trigger module is used to trigger said particular terminal and switches to said Target cell.
The terminal that switch a kind of sub-district that the embodiment of the invention provides comprises:
Adjacent cell list determination module between system according to the system's measurements Report Parameters of receiving from network side, is confirmed adjacent cell list between system when being used for being in non-cell private channel CELL_DCH state at said terminal;
Adjacent cell list sending module between system is used for sending adjacent cell list between said system to said network side;
Handover module is used under the triggering of said network side, switching to the Target cell of said network side appointment.
The system that switch a kind of sub-district that the embodiment of the invention provides comprises:
Network equipment; Be used for to the particular terminal transmitting system measurements Report Parameters that is in non-cell private channel CELL_DCH state; From between the system of receiving that reports from said particular terminal, select an adjacent sub-district as Target cell the adjacent cell list, and trigger said particular terminal and switch to said Target cell.
Be in the particular terminal of non-cell private channel CELL_DCH state; Be used for according to system's measurements Report Parameters of receiving from said network equipment; Confirm adjacent cell list between system; And send adjacent cell list between said system to said network equipment, under the triggering of said network equipment, switch to the Target cell of said network equipment appointment.
Because network side can be selected the Target cell of the terminal switching of non-CELL _ DCH state according to adjacent cell list between system, thereby when not disposing overlapping covering GSM sub-district, the terminal that also can trigger non-CELL _ DCH state switches to the GSM sub-district;
Further also improve the terminal success rate for switching, and reduced time delay for switching.
Description of drawings
Figure 1A arrives the schematic flow sheet of GSM sub-district for triggering the terminal gravity treatment that is in the CELL_FACH state in the background technology;
Figure 1B is redirected to the schematic flow sheet of GSM sub-district for terminal in the background technology;
The system configuration sketch map that Fig. 2 switches for embodiment of the invention sub-district;
The network equipment structural representation that Fig. 3 switches for embodiment of the invention sub-district;
The terminal structure sketch map that Fig. 4 switches for embodiment of the invention sub-district;
Fig. 5 carries out the method flow sketch map that switch the sub-district for embodiment of the invention network side;
Fig. 6 carries out the method flow sketch map that switch the sub-district for embodiment of the invention end side;
The schematic flow sheet of GSM sub-district is arrived in the terminal gravity treatment that Fig. 7 is in non-CELL _ DCH state for the embodiment of the invention triggers;
It is the schematic flow sheet that switches that speech business is set up at Fig. 8 is in non-CELL _ DCH state for the embodiment of the invention triggers terminal;
Fig. 9 is redirected to the schematic flow sheet of GSM sub-district for embodiment of the invention terminal.
Embodiment
Embodiment of the invention network side through system information to the particular terminal broadcast system measurements Report Parameters that is in non-CELL _ DCH (cell private channel) state; Particular terminal is confirmed adjacent cell list between system according to system's measurements Report Parameters, and need when RACH sends message, carry adjacent cell list between system; Network side selects an adjacent sub-district as Target cell between system the adjacent cell list, and the triggering particular terminal switches to Target cell.Because network side can be selected the Target cell of the terminal switching of non-CELL _ DCH state according to adjacent cell list between system, thereby when not disposing overlapping covering GSM sub-district, the terminal that also can trigger non-CELL _ DCH state switches to the GSM sub-district.
Wherein, The switching cell of the embodiment of the invention comprise switching cell (such as; The user of network-triggered CELL_FACH state switches to the GSM sub-district from the 3G sub-district) and re-selecting cell (such as, the user of network-triggered CELL_FACH state from the 3G district reselecting to the GSM sub-district or the user trigger user's gravity treatment to the GSM sub-district in the networking when making a call in the 3G sub-district).
The scheme of the embodiment of the invention can be applied in the 3-G (Generation Three mobile communication system), also can be applied to comprise in the system at terminal of non-CELL _ DCH state.
For the ease of statement; The terminal that the embodiment of the invention will be in non-CELL _ DCH state (such as CELL_FACH state, CEL1_PCH state, URA_PCH state, idle pulley, get into the state etc. of connection status) is called particular terminal; Only if specified otherwise is arranged, the particular terminal that occurs in the literary composition all is meant the terminal that is in non-CELL _ DCH state.Because non-CELL _ DCH state is a kind of state at terminal, so the particular terminal of the embodiment of the invention also has the function that other-end should have.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 2, the system that switch embodiment of the invention sub-district comprises: network equipment 10 and particular terminal 20.
Wherein, network equipment 10 can send the system information of carrying system's measurements Report Parameters through broadcasting.
Accordingly, particular terminal 20 extracts measurement parameter from system information after receiving the system information of carrying system's measurements Report Parameters.
Wherein, system's measurements Report Parameters can comprise system's measurements report threshold, can also comprise system's measurements reporting cell quantity.
If system's measurements Report Parameters comprises system's measurements report threshold, then particular terminal 20 is according to the measurements result of system, and system's measurements Report Parameters between system, adjacent cell list between update system.
Concrete, the pilot signal receiving intensity of the adjacent sub-district that the information of adjacent cells between the system that particular terminal 20 is confirmed in the adjacent cell list is corresponding is not less than system's measurements report threshold.
Here information of adjacent cells can be that cell ID or other can unique information of confirming a sub-district.
If the pilot signal receiving intensity such as adjacent sub-district is not less than system's measurements report threshold; Explain that then this neighbour sub-district belongs to the sub-district that satisfies condition; The information of adjacent cells that this neighbour sub-district is corresponding adds between system in the adjacent cell list; If should between system, in the adjacent cell list, then keep this information of adjacent cells by the corresponding information of adjacent cells in neighbour sub-district.
If the pilot signal receiving intensity of adjacent sub-district is less than system's measurements report threshold; Explain that then this neighbour sub-district does not belong to the sub-district that satisfies condition; That this neighbour sub-district is corresponding information of adjacent cells adds between system in the adjacent cell list; If in the adjacent cell list, then deleting should the corresponding information of adjacent cells in neighbour sub-district in the adjacent cell list between system between system for should the neighbour sub-district corresponding information of adjacent cells.
Preferable, particular terminal 20 can also be according to pilot signal receiving intensity order from big to small, the putting in order of information of adjacent cells in the adjacent cell list between Adjustment System.
Such as A, B and three adjacent adjacent cells of cells information of C are arranged in the adjacent cell list between system; The pilot signal receiving intensity of B is maximum; C secondly, A is minimum, then can Adjustment System between the putting in order of information of adjacent cells in the adjacent cell list; Adjusted order is the adjacent adjacent cells of cells information of B, the adjacent adjacent cells of cells information of C and the adjacent adjacent cells of cells information of A, makes things convenient for network equipment 10 to check the pilot signal receiving intensity magnitude relationship of concrete adjacent sub-district like this.
If system's measurements Report Parameters is except comprising system's measurements report threshold; Also comprise system's measurements reporting cell quantity, then the quantity of the information of adjacent cells in the adjacent cell list is not more than system's measurements reporting cell quantity between the system that confirms of particular terminal 20.
The adjacent sub-district number that measures such as particular terminal 20 is M, and system's measurements reporting cell quantity is N.If M is greater than N, then the quantity of information of adjacent cells can not be greater than N in the adjacent cell list between the system that reports of particular terminal 20.
Wherein, need include but not limited to a kind of in the following message through the message that RACH sends to network side:
RRC connects and to set up a kind of in request message, cell update message, initial direct-sending message, direct-sending message and the measurement report message.
When network equipment 10 needs to switch in definite particular terminal 20, between the system of receiving that reports from particular terminal, select an information of adjacent cells corresponding district as Target cell the adjacent cell list, such as selecting at random;
Preferable, network equipment 10 can selective system between in the adjacent cell list the maximum information of adjacent cells corresponding district of pilot signal receiving intensity as Target cell.
The network equipment of the embodiment of the invention can be base station (such as strengthening base station eNodeB), also can be RN (relaying) equipment, RNC (Radio Network Controller, radio network controller), can also be other network equipment.
Based on same inventive concept; The network equipment, the terminal of sub-district switching and the method that switch the sub-district that also provide a kind of sub-district to switch in the embodiment of the invention; Because the system similarity that switch principle that these equipment and method are dealt with problems and sub-district; Therefore the enforcement of these equipment and method can repeat part and repeat no more referring to the enforcement of method.
As shown in Figure 3, the network equipment that switch embodiment of the invention sub-district comprises: measurement report parameter sending module 100, selection module 110 and trigger module 120.
Measurement report parameter sending module 100 is used for to particular terminal transmitting system measurements Report Parameters, and the indication particular terminal is confirmed also adjacent cell list between reporting system according to system's measurements Report Parameters.
Wherein, measurement report parameter sending module 100 sends the system information of carrying system's measurements Report Parameters through broadcasting.
Further; Measurement report parameter sending module 100 can also confirm as required whether system's measurements Report Parameters comprises system's measurements reporting cell quantity; And the value that can confirm system's measurements report threshold and system's measurements reporting cell quantity as required respectively; If variation has taken place in the value of system's measurements report threshold and system's measurements reporting cell quantity; Then can confirm system's measurements Report Parameters, and send through broadcasting according to new system's measurements report threshold and system's measurements reporting cell quantity.
Wherein, select module 110 when definite particular terminal need be switched, the information of adjacent cells corresponding district of between the system of receiving that reports from particular terminal, selecting pilot signal receiving intensity maximum the adjacent cell list is as Target cell.
As shown in Figure 4, the terminal that switch embodiment of the invention sub-district comprises: adjacent cell list sending module 210 and handover module 220 between adjacent cell list determination module 200, system between system.
Adjacent cell list determination module 200 between system according to the system's measurements Report Parameters of receiving from network side, is confirmed adjacent cell list between system when being used for being in non-CELL _ DCH state at the terminal.
Adjacent cell list sending module 210 between system is used for adjacent cell list between the network side transmitting system.
If system's measurements Report Parameters comprises system's measurements report threshold; The pilot signal receiving intensity of the adjacent sub-district that the information of adjacent cells between the system that adjacent cell list determination module 200 is confirmed between system in the adjacent cell list is corresponding is not less than system's measurements report threshold.
Preferable, adjacent cell list determination module 200 can also be according to pilot signal receiving intensity order from big to small between system, the putting in order of information of adjacent cells in the adjacent cell list between Adjustment System.
If system's measurements Report Parameters also comprises system's measurements reporting cell quantity; The quantity of the information of adjacent cells between the system that adjacent cell list determination module 200 is confirmed between system in the adjacent cell list is not more than system's measurements reporting cell quantity.
Wherein, adjacent cell list sending module 210 passes through RACH when network side sends message at needs between system, in this message, carries adjacent cell list between system, and sends through RACH.
As shown in Figure 5, the method that embodiment of the invention network side carries out switching the sub-district comprises:
In the step 501, network side can send the system information of carrying system's measurements Report Parameters through broadcasting.
Wherein, system's measurements Report Parameters can comprise system's measurements report threshold, can also comprise system's measurements reporting cell quantity.
In the step 501; Network side can confirm as required whether system's measurements Report Parameters comprises system's measurements reporting cell quantity; And the value that can confirm system's measurements report threshold and system's measurements reporting cell quantity as required respectively; If variation has taken place in the value of system's measurements report threshold and system's measurements reporting cell quantity; Then network side can be confirmed system's measurements Report Parameters according to new system's measurements report threshold and system's measurements reporting cell quantity, and sends through broadcasting.
In the step 502, network side can be when definite particular terminal need be switched, and between the system of receiving that reports from particular terminal, selects an information of adjacent cells corresponding district as Target cell the adjacent cell list, such as selecting at random;
Preferable, network side can selective system between in the adjacent cell list the maximum information of adjacent cells corresponding district of pilot signal receiving intensity as Target cell.
As shown in Figure 6, the method that embodiment of the invention end side carries out switching the sub-district comprises the following steps:
In the step 601, particular terminal extracts measurement parameter from system information after receiving the system information of carrying system's measurements Report Parameters.
Wherein, system's measurements Report Parameters can comprise system's measurements report threshold, can also comprise system's measurements reporting cell quantity.
If system's measurements Report Parameters comprises system's measurements report threshold, then in the step 601, particular terminal is according to the measurements result of system, and system's measurements Report Parameters between system, adjacent cell list between update system.
Concrete, the pilot signal receiving intensity of the adjacent sub-district that the information of adjacent cells between the system that particular terminal is confirmed in the adjacent cell list is corresponding is not less than system's measurements report threshold.
If the pilot signal receiving intensity such as adjacent sub-district is not less than system's measurements report threshold; Explain that then this neighbour sub-district belongs to the sub-district that satisfies condition; The information of adjacent cells that this neighbour sub-district is corresponding adds between system in the adjacent cell list; If should between system, in the adjacent cell list, then keep this information of adjacent cells by the corresponding information of adjacent cells in neighbour sub-district.
If the pilot signal receiving intensity of adjacent sub-district is less than system's measurements report threshold; Explain that then this neighbour sub-district does not belong to the sub-district that satisfies condition; That this neighbour sub-district is corresponding information of adjacent cells adds between system in the adjacent cell list; If in the adjacent cell list, then deleting should the corresponding information of adjacent cells in neighbour sub-district in the adjacent cell list between system between system for should the neighbour sub-district corresponding information of adjacent cells.
Preferable, particular terminal can also be according to pilot signal receiving intensity order from big to small, the putting in order of information of adjacent cells in the adjacent cell list between Adjustment System.
If system's measurements Report Parameters is except comprising system's measurements report threshold; Also comprise system's measurements reporting cell quantity; Then in the step 601, the quantity of the information of adjacent cells between the system that particular terminal is confirmed in the adjacent cell list is not more than system's measurements reporting cell quantity.
The adjacent sub-district number that measures such as particular terminal is M, and system's measurements reporting cell quantity is N.If M is greater than N, then the quantity of information of adjacent cells can not be greater than N in the adjacent cell list between the system that reports of particular terminal.
In the step 601, particular terminal confirming between system behind the adjacent cell list, needs through RACH when network side sends message, in this message, carry adjacent cell list between system, and send through RACH.
Wherein, need include but not limited to a kind of in the following message through the message that RACH sends to network side:
RRC connects and to set up a kind of in request message, cell update message, initial direct-sending message, direct-sending message and the measurement report message.
Wherein, Fig. 5 and Fig. 6 can synthesize a flow process, form the method for a new adjustment measured parameter value, promptly first execution in step 501, and execution in step 601 again, last execution in step 502 and 602.
To the scheme of the embodiment of the invention, enumerate three kinds of different application environments below and be elaborated.
Following embodiment is applied in the 3-G (Generation Three mobile communication system), and preferably adjacent cell list is equal to adjacent cell list between system between gsm system, and the UE that is in the CELL_FACH state is a particular terminal.
As shown in Figure 7, the embodiment of the invention triggers the terminal gravity treatment be in non-CELL _ DCH state and comprises the following steps: to the method for GSM sub-district
Step 701, UE set up the RRC connection or set up PS (Packet Switched, packet switching) territory professional, and are in the CELL_FACH state.
Step 702, RNC send the SYSTEM INFORMATION (system information) that carries system's measurements Report Parameters through broadcasting.
The UE of step 703, CELL_FACH state receives after the system information, preserves these information, and pilot measurement result and system's measurements Report Parameters of the adjacent sub-district of the GSM that measures according to UE, safeguards adjacent cell list between best gsm system.
Confirming that adjacent cell list possibly has been separated by the long time between the adjacent cell list to sending between best gsm system between best gsm system; Confirm adjacent cell list between best gsm system so can stipulate the UE cycle (such as 480ms) in force; Perhaps after step 703, start a timer; If timer expiry does not also have execution in step 704; Then safeguard adjacent cell list between best gsm system again, restart timer then, up to sending adjacent cell list between best gsm system.Concrete cycle and timer time can be confirmed as required.
Step 704, UE when network side sends cell update message or measurement report message, carry adjacent cell list between the best gsm system of current maintenance at needs in message.
Step 705, RNC upgrade adjacent cell list between the best gsm system of self preserving according to adjacent cell list between the gsm system of receiving.
Step 706, RNC from factors such as load balancings, in the time of need UE being switched to GSM neighbour sub-district, according to adjacent cell list between best gsm system, select an adjacent sub-district as the adjacent sub-district of target GSM at network.
Triggering need have the condition that UE switches to the adjacent sub-district of GSM a lot:
, network-triggered UE congested such as UE persistent district load switches to the GSM network from 3G; New business, current 3G grid inadequate resource or the new business of UE application preferentially is chosen in the GSM network carrying; Network-triggered UE switches to GSM network etc. from 3G network.
Step 707, RNC send CELL CHANGE ORDER FROM UTRAN (leaving the cell change order of the UTRAN) message of the cell information that carries target GSM sub-district, trigger the UE gravity treatment to the adjacent sub-district of target GSM.
The adjacent sub-district of target GSM is arrived in step 708, UE gravity treatment, and sets up professional the connection at the GSM network.
Step 709, CN behind the adjacent sub-district, send Iu RELEASE COMMAND (Iu interface release command) message to RNC to target GSM in UE success gravity treatment.
As shown in Figure 8, the embodiment of the invention triggers the terminal be in non-CELL _ DCH state, and to set up speech business be that the method for switching comprises the following steps:
Step 801, UE set up the RRC connection or set up the PS territory professional, and are in the CELL_FACH state.
Step 802, RNC send the system information of carrying system's measurements Report Parameters through broadcasting.
The UE of step 803, CELL_FACH state receives after the system information, preserves these information, and pilot measurement result and system's measurements Report Parameters of the adjacent sub-district of the GSM that measures according to UE, safeguards adjacent cell list between best gsm system.
Confirming that adjacent cell list possibly has been separated by the long time between the adjacent cell list to sending between best gsm system between best gsm system; So can the regulation UE cycle confirm adjacent cell list between best gsm system in force; Perhaps after step 803, start a timer,, then safeguard adjacent cell list between best gsm system again if timer expiry does not also have execution in step 804; Restart timer then, up to sending adjacent cell list between best gsm system.Concrete cycle and timer time can be confirmed as required.
Step 804, UE when network side sends audio call, send INITIAL DIRECT TEANSFER (initial direct-sending) message of carrying adjacent cell list between best gsm system at needs to network side.
Step 805, RNC upgrade adjacent cell list between the best gsm system of self preserving according to adjacent cell list between the gsm system of receiving.
In the information interactive process that direct transfers of follow-up UE and RNC, UE also can carry best GSM cell list in direct-sending message, and network side can continue to upgrade the best GSM row cell list of UE.
After step 807, RNC receive; Because inadequate resource, perhaps operation tactful (is that voice use GSM to carry such as network configuration); Need speech business be put into the GSM network carrying; Then return RAB ASSIGNMENT RESPONSE (RAB assigns failure) message to CN, wherein reason extends this as Directed Retry (the directed trial).
Step 808, RNC select an adjacent sub-district as target GSM sub-district according to best GSM cell list.
Step 809, RNC send RELOCATION REQUIRED (re-positioning request) message to CN, and wherein reason is filled in Directed Retry.
Step 810, CN send RELOCATION COMMEND (reorientation order) message to RNC.
HANDOVERFORM UTRAN COMMAND (leaving the switching command of the UTRAN) message that step 811, RNC send the cell information that carries target GSM sub-district to UE triggers UE and switches to the adjacent sub-district of target GSM.
Step 814, CN discharge UE and connect at the Iu of 3G network interface, and UE keeps communication at GSM.
As shown in Figure 9, the method that the GSM sub-district is redirected at embodiment of the invention terminal comprises the following steps:
Step 901, RNC send the system information of carrying system's measurements Report Parameters through broadcasting.
The UE of step 902, idle pulley receives after the system information, preserves these information, and pilot measurement result and system's measurements Report Parameters of the adjacent sub-district of the GSM that measures according to UE, safeguards adjacent cell list between best gsm system.
Confirming that adjacent cell list possibly has been separated by the long time between the adjacent cell list to sending between best gsm system between best gsm system; So can the regulation UE cycle confirm adjacent cell list between best gsm system in force; Perhaps after step 902, start a timer,, then safeguard adjacent cell list between best gsm system again if timer expiry does not also have execution in step 903; Restart timer then, up to sending adjacent cell list between best gsm system.Concrete cycle and timer time can be confirmed as required.
Step 903, UE when network side sends audio call, send RRC CONNECT REQUEST (RRC connection request) message of carrying adjacent cell list between best gsm system at needs to network side.
After step 904, RNC receive; Because inadequate resource, perhaps operation tactful (is that voice use GSM to carry such as network configuration); Need speech business be put into the GSM network carrying, then, select an adjacent sub-district as target GSM sub-district according to best GSM cell list.
RRC CONNECT REJECT (RRC the connects refusal) message that step 905, RNC send the cell information that carries target GSM sub-district to UE triggers UE and is redirected to the adjacent sub-district of target GSM.
Step 906, UE gravity treatment make a call to target GSM sub-district.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
The embodiment of the invention is because network side can be selected the target GSM sub-district of the terminal switching of non-CELL _ DCH state according to adjacent cell list between system; Thereby when not disposing overlapping covering GSM sub-district, the terminal that also can trigger non-CELL _ DCH state switches to the GSM sub-district;
Further also improve the terminal success rate for switching, and reduced time delay for switching.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1. the method switched of a sub-district is characterized in that this method comprises:
Network side is to the particular terminal transmitting system measurements Report Parameters that is in non-cell private channel CELL_DCH state;
Said network side selects an adjacent sub-district as Target cell the adjacent cell list between the system of receiving that reports from said particular terminal, and triggers said particular terminal and switch to said Target cell.
2. the method for claim 1 is characterized in that, said network side transmitting system measurements Report Parameters comprises:
Said network side sends the system information of carrying system's measurements Report Parameters through broadcasting.
3. according to claim 1 or claim 2 method is characterized in that, said network side selects an adjacent sub-district to comprise as Target cell:
When said network side need switch in definite said particular terminal, between the system of receiving that reports from said particular terminal, select the maximum information of adjacent cells corresponding district of pilot signal receiving intensity the adjacent cell list as Target cell.
4. the method switched of a sub-district is characterized in that this method comprises:
The particular terminal that is in non-cell private channel CELL_DCH state is confirmed adjacent cell list between system, and is sent adjacent cell list between said system to said network side according to the system's measurements Report Parameters of receiving from network side;
Said particular terminal switches to the Target cell of said network side appointment under the triggering of said network side.
5. method as claimed in claim 4 is characterized in that, said system measurements Report Parameters comprises system's measurements report threshold;
The pilot signal receiving intensity of the adjacent sub-district that the information of adjacent cells between the system that said particular terminal is confirmed in the adjacent cell list is corresponding is not less than said system measurements report threshold.
6. method as claimed in claim 5 is characterized in that, said particular terminal is according to pilot signal receiving intensity order from big to small, the putting in order of information of adjacent cells in the adjacent cell list between Adjustment System.
7. like claim 5 or 6 described methods, it is characterized in that said system measurements Report Parameters also comprises system's measurements reporting cell quantity;
Said particular terminal confirms that adjacent cell list also comprises between system:
The quantity of the information of adjacent cells between the system that said particular terminal is confirmed in the adjacent cell list is not more than said system measurements reporting cell quantity.
8. like the arbitrary described method of claim 4～6, it is characterized in that said particular terminal sends that adjacent cell list comprises between said system:
Said particular terminal is passed through RACH when said network side sends message at needs, in this message, carries adjacent cell list between said system, and sends through said RACH.
9. method as claimed in claim 8 is characterized in that, said message is that radio resource control RRC connects and to set up a kind of in request message, cell update message, initial direct-sending message, direct-sending message and the measurement report message.
10. the network equipment that switches of a sub-district is characterized in that this network equipment comprises:
Measurement report parameter sending module is used for to the particular terminal transmitting system measurements Report Parameters that is in non-cell private channel CELL_DCH state;
Select module, be used for selecting an adjacent sub-district as Target cell from adjacent cell list between the system of receiving that reports from said particular terminal;
Trigger module is used to trigger said particular terminal and switches to said Target cell.
11. network equipment as claimed in claim 10 is characterized in that, said measurement report parameter sending module specifically is used for:
Send the system information of carrying system's measurements Report Parameters through broadcasting.
12., it is characterized in that said selection module specifically is used for like claim 10 or 11 described network equipments:
When definite said particular terminal need be switched, between the system of receiving that reports from said particular terminal, select the maximum information of adjacent cells corresponding district of pilot signal receiving intensity the adjacent cell list as Target cell.
13. the terminal that switch the sub-district is characterized in that this terminal comprises:
Adjacent cell list determination module between system according to the system's measurements Report Parameters of receiving from network side, is confirmed adjacent cell list between system when being used for being in non-cell private channel CELL_DCH state at said terminal;
Adjacent cell list sending module between system is used for sending adjacent cell list between said system to said network side;
Handover module is used under the triggering of said network side, switching to the Target cell of said network side appointment.
14. terminal as claimed in claim 13 is characterized in that, said system measurements Report Parameters comprises system's measurements report threshold;
The adjacent cell list determination module specifically is used between said system:
The pilot signal receiving intensity of the adjacent sub-district that the information of adjacent cells between the system that confirms in the adjacent cell list is corresponding is not less than said system measurements report threshold.
15. terminal as claimed in claim 14 is characterized in that, the adjacent cell list determination module also is used between said system:
According to pilot signal receiving intensity order from big to small, the putting in order of information of adjacent cells in the adjacent cell list between Adjustment System.
16., it is characterized in that said system measurements Report Parameters also comprises system's measurements reporting cell quantity like claim 14 or 15 described terminals;
The adjacent cell list determination module specifically is used between said system:
The quantity of the information of adjacent cells between the system that confirms in the adjacent cell list is not more than said system measurements reporting cell quantity.
17., it is characterized in that the adjacent cell list sending module specifically is used between said system like the arbitrary described terminal of claim 13～15:
Pass through RACH when said network side sends message at needs, in this message, carry adjacent cell list between said system, and send through said RACH.
18. the system that switch the sub-district is characterized in that this system comprises:
Network equipment; Be used for to the particular terminal transmitting system measurements Report Parameters that is in non-cell private channel CELL_DCH state; From between the system of receiving that reports from said particular terminal, select an adjacent sub-district as Target cell the adjacent cell list, and trigger said particular terminal and switch to said Target cell;
Be in the particular terminal of non-cell private channel CELL_DCH state; Be used for according to system's measurements Report Parameters of receiving from said network equipment; Confirm adjacent cell list between system; And send adjacent cell list between said system to said network equipment, under the triggering of said network equipment, switch to the Target cell of said network equipment appointment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010292250.9A CN102413534B (en) | 2010-09-26 | 2010-09-26 | Cell switching method, system and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010292250.9A CN102413534B (en) | 2010-09-26 | 2010-09-26 | Cell switching method, system and equipment |
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| CN102413534A true CN102413534A (en) | 2012-04-11 |
| CN102413534B CN102413534B (en) | 2014-09-10 |
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| CN102413534B (en) | 2014-09-10 |
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