CN101453763B - Method and equipment for group handoff - Google Patents
Method and equipment for group handoff Download PDFInfo
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- CN101453763B CN101453763B CN2007101882945A CN200710188294A CN101453763B CN 101453763 B CN101453763 B CN 101453763B CN 2007101882945 A CN2007101882945 A CN 2007101882945A CN 200710188294 A CN200710188294 A CN 200710188294A CN 101453763 B CN101453763 B CN 101453763B
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Abstract
The invention discloses a group switching method. The method comprises the following steps: transmitting a assignation message carrying a special message related to the terminal to a terminal; and receiving the message transmitted by the terminal according to the special message, and knowing that the group switching of the terminal has been carried out. The embodiment of the invention also discloses a group switching device. By the method and the device, a BS transmits a special code to an MS, and receives a response of the MS according to the special code, and the MS and the BS can mutually understand the group switching conditions, thereby avoiding that the BS schedules resources of the MS under conditions of not confirming whether the group switching of the MS is successfully performed and reducing resource waste.
Description
Technical field
The present invention relates to networking technology area, especially a kind of group of method and apparatus that switches.
Background technology
At present; IEEE (Institute of Electrical and Electronic Engineers; Institute of Electrical and Electronics Engineers) 802.16e has had H-FDD (Half-duplex Frequency Division Duplex; Half-Frequency Division Duplex)/frame structure of FDD (Frequency Division Duplex or Duplexing, FDD).The TWG group of WiMAX (Worldwide Interoperability for Microwave Access, the microwave interoperability is inserted in the whole world) has proposed to need to design to the FDD characteristic frame structure of H-FDD/FDD again now.The frame structure that the support group is arranged in the H-FDD/FDD frame structure, the sketch map of this frame structure is as shown in Figure 1.
As can beappreciated from fig. 1, BS (Base Station, base station) is through MS (MobileStation, the terminal) assigned resources of assignment 1 for group 1, and BS is through the MS assigned resources of assignment 2 for group 2.Top assignment has comprised UL MAP (Uplink MAP, descending assignment) and DL MAP (Downlink MAP, up assignment).
Fig. 2 is the flow process that realizes organizing switching in the prior art through descending assignment message, may further comprise the steps:
Step s201, BS are through organizing the downlink data burst that 1 descending assignment comes assignment MS, and instruct MS is organized switching.
Step s202, MS execution group switch, if descending assignment descending data burst so MS just resolve oneself data burst.
Step s203, BS are through organizing the downlink data burst that 2 descending assignment comes assignment MS.
Step s204, MS resolve the data burst of oneself.
Be that said method carries the method that group is switched indication below in the message of descending assignment.The method of in DL_HARQ_Chase_Sub-Burst_IE () (descending HARQ tracking merges son burst cell), carrying group switching indication is following.
Table 1: carry the form that group is switched the DL_HARQ_Chase_Sub-Burst_IE of indication:
| Syntax | Size (bit) | Notes |
| DL_HARQ_Chase_Sub-Burst_IE(){ | ? | Descending HARQ follows the tracks of and merges son burst cell |
| N?sub?burst[ISI] | 4 | The number of son burst |
| N?ACK?channel | 4 | The number of ack channel |
| For(j＝0；j＜Number?of?sub-bursts；j++){ | ? | Each son burst circulates |
| RCID_IE( ) | Variable | Shorten connection identifier |
| Duration | 10 | Duration |
| Sub-Burst?DIUC?Indicator | 1 | The sign indicating number indication is used in son burst between-line spacing down |
| Group?Switch?Indicator | 1 | Group is switched indication |
| If(?Sub-Burst?DIUC?Indicator＝＝1){ | ? | Like a fruit burst between-line spacing use sign indicating number indication set down |
| DIUC | 4 | Following between-line spacing is used sign indicating number |
| ?Repetition?Coding?Indication | 2 | The repeated encoding indication |
| Reserved | 2 | Keep |
| } | ? | ? |
| ACID | 4 | Automatically retransfer channel identifies |
| AI_SN | 1 | Automatically retransmit identifier number |
| ACK?disable | 1 | Whether enable ACK |
| Dedicated?DL?Control?Indicator | 2 | Private downlink control indication |
| If(LSB#0?of?Dedicated?DL?ControlIndicator＝＝1){ | ? | If private downlink control indicating bit 0 set |
| Duration(d) | 4 | Duration |
| If?(Duration！＝0b0000){ | ? | If the duration is not 0 |
| Allocation?Index | 6 | The assignment index |
| Period(p) | 3 | At interval |
| Frame?offset | 3 | Vertical shift |
| } | ? | ? |
| } | ? | ? |
| If(LSB#1?of?Dedicated?DL?ControlIndicator＝＝1){ | ? | If private downlink control indicating bit 1 set |
| Dedicated?DL?Control?IE() | Variable | Private downlink control cell |
?
| } | ? | ? |
| } | ? | ? |
| } | ? | ? |
The method of in other descending son burst cell, carrying the indication of group switching is similarly, does not do being repeated in this description at this.
Also proposed in the prior art a kind ofly to realize organizing the flow process of switching through up assignment message, as shown in Figure 3, may further comprise the steps:
Step s301, BS are through organizing the upstream data burst that 1 up assignment comes assignment MS, and instruct MS is organized switching.BS also can indicate instruct MS to switch through special switching, if take this method then do not need step s302 and s303.
Step s302, MS obtain the resource and the preparation of the upstream data burst of oneself and organize switching.This step is optional
Step s303, MS send upstream data according to up assigning on the corresponding resource, do not have ascending resource then do not need this step if up assigned resources is represented MS.
Step s304, MS execution group are switched.
The up assignment of step s305, BS transmission group 2.
Step s306, MS send upstream data according to up assigning on the corresponding resource.If up assigned resources is represented MS do not have ascending resource then do not need this step.
Be that this prior art is carried the method that group is switched indication below in the message of up assignment.The method of in UL_HARQ_Chase_Sub-Burst_IE () (the ascending HARQ tracking merges son burst cell), carrying group switching indication is following.
Table 2 band group is switched the form of the HARQ Chase UL Sub-Burst IE of indication:
| Syntax | ?Size(bit) | Notes |
| HARQ?Chase?UL?Sub-Burst?IE{ | ? | Ascending HARQ is followed the tracks of and is merged son burst cell |
| RCID?IE() | Variable | Shorten connection identifier |
| Dedicated?UL?Control?Indicator | 1 | Dedicated uplink control indication |
| If(Dedicated?UL?Control?Indicator＝＝1){ | ? | If dedicated uplink control indication set |
| Dedicated?UL?Control?IE() | Variable | Dedicated uplink control cell |
| } | ? | ? |
| UIUC | 4 | Last between-line spacing is used sign indicating number |
| Repetition Coding Indication | 5 | The repeated encoding indication |
| Duration | 10 | Duration |
| ACID | 4 | Automatically retransfer channel identifies |
| AI_SN | 1 | Automatically retransmit identifier number |
| ACK disable | 1 | Whether enable ACK |
| Group Switch Indicator | 1 | Group is switched indication |
| } |
The method of in other up son burst cell, carrying the indication of group switching is similarly, is not repeated in this description at this.
The inventor finds to realize that through descending assignment message there is following shortcoming at least in the method for organizing switching in above-mentioned two kinds of prior aries in realizing process of the present invention:
If the downlink or uplink Assignment Failure of MS reception group 1, then MS resolves the indication of this MS group being switched less than BS, so MS not can go the assignment of parsing group 2.Like this, next BS dispatches MS in group 2, and MS can not receive data at all or do not send data.Thereby cause the wasting of resources.
Embodiments of the invention provide a kind of group of method and apparatus that switches, and are used to realize can knowing each other between MS and the BS situation of group switching, make BS before and after switching, can correctly dispatch MS.
For achieving the above object, embodiments of the invention provide a kind of group of method of switching, and may further comprise the steps:
Send assignment message to the terminal, said assignment message indicates said terminal to organize switching, and said assignment message carries the specific information relevant with said terminal, and said specific information comprises the private code of distributing to said terminal and the effective time of said private code;
Send up assignment message to said terminal, the said terminal of assignment is employed resource when sending message according to said specific information, makes said terminal on said resource, send said private code;
Receive said terminal according to the message that said specific information sends, know that said terminal organized switching.
Embodiments of the invention also provide a kind of group of device for switching, comprising:
The assignment message transmitting element; Be used for sending assignment message to the terminal; Said assignment message indicates said terminal to organize switching; Said assignment message carries the specific information relevant with said terminal, and said specific information comprises the private code of distributing to said terminal and the effective time of said private code;
Resource allocation unit; Be used for after said assignment message transmitting element sends assignment message; Send up assignment message to said terminal, the said terminal of assignment is employed resource when sending message according to said specific information, makes said terminal on said resource, send said private code;
Detecting unit when being used to receive the message that the specific information that carries according to said assignment message transmitting element at said terminal sends, knows that said terminal organized switching.
The embodiment of the invention also provides a kind of base station, comprises above-mentioned group of device for switching.
Description of drawings
Compared with prior art, embodiments of the invention have the following advantages:
BS can be known the situation that group is switched each other through sending private code and receive the response of MS according to this private code to MS, making between MS and the BS, avoided BS whether to organize the resource of dispatching MS under the situation of handover success at uncertain MS, has reduced the waste of resource.
Fig. 1 is a FDD packet frames structural representation in the prior art;
Fig. 2 is the flow process that realizes organizing switching in the prior art through descending assignment message;
Fig. 3 is the flow process that realizes organizing switching in the prior art through up assignment message;
Fig. 4 is the flow chart that group is switched in the embodiment of the invention one;
Fig. 5 is the flow chart that group is switched in the embodiment of the invention two;
Fig. 6 is the structural representation of a kind of group of switching device shifter in the embodiment of the invention three.
Embodiment
Below in conjunction with accompanying drawing and embodiment, execution mode of the present invention is described further.
A kind of group of method of switching is provided in the embodiments of the invention, when the BS instruct MS is switched, in assignment message, carries a private code of giving this MS separately.When this MS is resolved to the switching indication, send specific message based on this private code to BS, BS just can know that this MS has switched in the new group when receiving this specific message.BS is the MS scheduling resource more afterwards, can avoid waste.
In the embodiments of the invention one; A kind of group of method of switching is provided; For BS initiates the group switching of MS through in descending assignment message, carrying private code; Here be that the ranging code of finding range in the range channel of requirement MS in new group is an example with the private code, can certainly represent this private code, guarantee between BS and MS, can know each other that the group switch instances gets final product with other form.The flow chart of present embodiment is as shown in Figure 4, may further comprise the steps:
Step s401, BS be through organizing the downlink data burst that 1 descending assignment comes assignment MS, and instruct MS organizes switching, carries the private code of MS range finding usefulness simultaneously.
Step s402, MS execution group switch, if descending assignment instruct MS have descending data burst so MS just resolve oneself data burst.
Step s403, BS are through organizing the resource that 2 up assignment comes the transmission ranging code of assignment MS.
In this step, BS comes the assignment MS resource that institute should use when sending ranging code through organizing 2 up assignment, and this resource be newly to organize interior range channel.
Step s404, MS send special-purpose ranging code on the resource of group 2 assignments.
Step s405, BS respond with the ranging code of ranging response to MS.
In this step, BS can confirm that when receiving the ranging code that MS sends on the resource of MS assignment MS has received the group of sending to MS among the step s401 and switched indication, therefore can continuation group switching flow, in new group, dispatch.If in this step; BS is in the preset time; Be not receive the ranging code that MS sends on the resource of MS assignment, then can be judged as MS and do not receive the group switching indication that BS sends to MS among the step s401, so need in new group, not dispatch MS.At this moment, BS can select to carry out again above-mentioned steps s401, promptly attempts the indication to the switching of MS transmission group once more, after confirming that MS receives, dispatches in new group with MS again, and BS can not indicate switching still at original this MS of group the inside scheduling certainly.
In the above-mentioned flow process, the method for in descending assignment message, adding private code has a lot, provides wherein two kinds here:
Method one: in descending assignment message, add the private code information field.
Add field at HARQ (Hybrid Automatic Repeat reQuest, mix automatically retransmit) DL MAP IE, like this need be at following cell:
Descending HARQ follows the tracks of and merges son burst cell DL_HARQ_Chase_Sub-Burst_IE (),
Descending HARQ incremental redundancy convolution Turbo coding burst cell DL_HARQ_IR_CTC_Sub-Burst_IE (),
Descending HARQ incremental redundancy convolutional encoding burst cell DL_HARQ_IR_CC_Sub-Burst_IE (),
Line trace merges HARQ burst cell MIMO_DL_Chase_HARQ_Sub-Burst_IE () under the MIMO,
Descending incremental redundancy HARQ of MIMO burst cell MIMO_DL_IR_HARQ_Sub-Burst_IE (),
The descending incremental redundancy HARQ of MIMO convolutional encoding burst cell MIMO_DL_IR_HARQ_for_CC_Sub-Burst_IE (),
Descending Space Time Coding HARQ of MIMO burst cell MIMO_DL_STC_HARQ_Sub-Burst_IE ()
Add the private code information field respectively.Be example with DL_HARQ_Chase_Sub-Burst_IE below, the method for adding the private code information field is described, as shown in table 3:
Table 3: the form that carries the DL_HARQ_Chase_Sub-Burst_IE of range finding private code information
| Syntax | Size (bit) | Notes |
| DL_HARQ_Chase_Sub-Burst_IE()?{ | ? | Descending HARQ follows the tracks of and merges son burst cell |
| N?sub?burst[ISI] | 4 | The number of son burst |
| N?ACK?channel | 4 | The number of ack channel |
| For(j＝0；j＜Number?of?sub-bursts；j++){ | ? | Each son burst circulates |
| RCID_IE() | Variable | Shorten connection identifier |
| Duration | 10 | Duration |
| Sub-Burst?DIUC?Indicator | 1 | The sign indicating number indication is used in son burst between-line spacing down |
| Group?Switch?Indicator | 1 | Group is switched indication |
| If(Sub-Burst?DIUC?Indicator＝＝1){ | ? | Like a fruit burst between-line spacing use sign indicating number indication set down |
| DIUC | 4 | Following between-line spacing is used sign indicating number |
| Repetition?Coding?Indication | 2 | The repeated encoding indication |
| Reserved | 2 | Keep |
| } | ? | ? |
| ACID | 4 | Automatically retransfer channel identifies |
| AI_SN | 1 | Automatically retransmit identifier number |
| ACK?disable | 1 | Whether enable ACK |
| Dedicated?DL?Control?Indicator | 2 | Private downlink control indication |
| If(LSB#0?of?Dedicated?DL?ControlIndicator＝＝1){ | ? | If private downlink control indicating bit 0 set |
| Duration(d) | 4 | Duration |
| =0b0000) | If the duration is not 0 | |
| Allocation Index | 6 | The assignment index |
| Period (p) | 3 | At interval |
| Frame offset | 3 | Vertical shift |
| } | ||
| } | ||
| If (LSB#1 of Dedicated DL Control Indicator==1) | If private downlink control indicating bit 1 set | |
| Dedicated DL Control IE () | Variable | Private downlink control cell |
| } | ||
| If (Group Switch Indicator==1) | If group is switched indicating bit set | |
| Code index | 8 | Distribute to the index of the sign indicating number of this MS |
| Response window (q) | 8 | The effective time of private code (frame number=2 q) |
| } | ||
| } | ||
| } |
In the last table, through the information that last triplex row has been carried private code, the information after wherein If (Group SwitchIndicator==1) is illustrated in when organizing switching is effective; Code index representes to distribute to the index of the private code of MS, and MS and BS consult private code in access procedure, and MS can obtain the corresponding special sign indicating number according to this index; Response window (q) representes the effective time of this private code, is surpassing effective time 2
qBehind the individual frame, BS regains this private code to this MS assignment.
The method of in other descending son burst cell, carrying range finding private code information is similarly, is not repeated in this description at this.
Method two: in descending assignment message, add the TLV (Type Length Value, type lengths values) of private code information, be given in the instance that adds the TLV of private code information in the descending assignment message below, as shown in table 4.
Table 4: the form of the TLV of range finding private code information in the descending assignment message:
| Type (1 byte) | Length (1 byte) | Value (variable) |
| 150 | The number of the MS that group is switched multiply by 2 (N_assign*2) | For(i＝0；i＜N_assign；i++){ |
?
| ? | ? | ?8?bits：code?index?8?bits：Response?Window?} |
Among this TLV the implication of Value with in the above-mentioned table 3 to the explanation of last triplex row content, be not repeated in this description at this.
In the embodiments of the invention two; A kind of group of method of switching is provided, and for BS initiates the group switching of MS through in up assignment message, carrying private code, is that the ranging code of finding range in the range channel of requirement MS in new group is an example with the private code here; As shown in Figure 5, may further comprise the steps:
Step s501, BS be through organizing the upstream data burst that 1 up assignment comes assignment MS, and instruct MS organizes switching, carries the private code of MS range finding usefulness simultaneously.
Step s502, MS obtain the resource and the preparation of the upstream data burst of oneself and organize switching.
Step s503, this step are optional.MS sends upstream data based on up assigning on the corresponding resource.If this step was unwanted when up assigned resources represented that MS does not have ascending resource.
Step s504, MS execution group are switched, and attempt the up assignment of parsing group 2.
The up assignment of step s505, BS transmission group 2.
In this step, BS comes the assignment MS resource that institute should use when sending ranging code through organizing 2 up assignment, and this resource be newly to organize interior range channel.
Step s506, MS send special-purpose ranging code on the resource of group 2 assignments.
Step s507, BS respond with the ranging code of ranging response to MS.
In this step, BS can confirm that when receiving the ranging code that MS sends on the resource of MS assignment MS has received the group of sending to MS among the step s401 and switched indication, therefore can continuation group switching flow, in new group, dispatch.If in this step; BS is in the preset time; Be not receive the ranging code that MS sends on the resource of MS assignment, then can be judged as MS and do not receive the group switching indication that BS sends to MS among the step s501, so need in new group, not dispatch MS.At this moment, BS should carry out above-mentioned steps s501 again, promptly attempts the indication to the switching of MS transmission group once more, after confirming that MS receives, dispatches in new group with MS again.
In the above-mentioned flow process, the method for in up assignment message, adding private code has a lot, provides wherein two kinds here:
Method one: in up assignment message, add the private code information field
Add field at HARQ UL MAP IE, like this need:
Ascending HARQ is followed the tracks of and is merged son burst cell UL_HARQ_Chase_Sub-Burst_IE (),
UL_HARQ_IR_CTC_Sub-Burst_IE()，
UL_HARQ_IR_CC_Sub-Burst_IE()，
MIMO_UL_Chase_HARQ_Sub-Burst_IE()，
MIMO_UL_IR_HARQ_Sub-Burst_IE()，
MIMO_UL_IR_HARQ_for_CC_Sub-Burst_IE()，
MIMO_UL_STC_HARQ_Sub-Burst_IE()
Add the private code information field respectively.Be example with UL_HARQ_Chase_Sub-Burst_IE () below, the method for adding the private code information field is described, as shown in table 5:
Table 5: the form that carries the UL_HARQ_Chase_Sub-Burst_IE of range finding private code information:
| Syntax | ?Size(bit) | Notes |
| HARQ?Chase?UL?Sub-Burst?IE{ | ? | Ascending HARQ is followed the tracks of and is merged son burst cell |
| RCID?IE?(?) | Variable | Shorten connection identifier |
| Dedicated?UL?Control?Indicator | 1 | Dedicated uplink control indication |
| If?(Dedicated?UL?Control?Indicator＝＝1){ | ? | If dedicated uplink control indication set |
| Dedicated?UL?Control?IE () | Variable | Dedicated uplink control cell |
| } | ? | ? |
| UIUC | 4 | Last between-line spacing is used sign indicating number |
| Repetition?Coding?Indication | 5 | The repeated encoding indication |
| ?Duration | 10 | Duration |
| ACID | 4 | Automatically retransfer channel identifies |
| ?AI_SN | 1 | Automatically retransmit identifier number |
| ?ACK?disable | 1 | Whether enable ACK |
| ?Group?Switch?Indicator | 1 | Group is switched indication |
| If(Group?Switch?Indicator＝＝1) | ? | If group is switched indicating bit set |
| Code?index | 8 | Distribute to the index of the sign indicating number of this MS |
| Response?window(q) | 8 | The effective time of private code (frame number=2 q) |
?
| } | ? | ? |
| } | ? | ? |
In the last table, through the information that last triplex row has been carried private code, the information after wherein If (Group SwitchIndicator==1) is illustrated in when organizing switching is effective; Code index representes to distribute to the index of the private code of MS, and MS and BS consult private code in access procedure, and MS can obtain the corresponding special sign indicating number according to this index; Response window (q) representes the effective time of this private code, is surpassing effective time 2
qBehind the individual frame, BS regains this private code to this MS assignment.
The method of in other up son burst cell, carrying range finding private code information is similarly, does not do being repeated in this description at this.
Method two: in up assignment message, add private code type of info length value (Type LengthValue:TLV), be given in the TLV that adds private code information in the up assignment message below.
Table 6: the form of the TLV of range finding private code information in the up assignment message:
| Type (1 byte) | Length (1 byte) | Value (variable) |
| 150 | The number of the MS that group is switched multiply by 2 (N_assign*2) | For(i＝0；i＜N_assign；i++) { 8?bits：code?index 8?bits：Response?Window } |
Among this TLV the implication of Value with in the above-mentioned table 5 to the explanation of last triplex row content, be not repeated in this description at this.
The said method that the embodiment of the application of the invention provides; BS is through sending private code and receive the response of MS according to this private code to MS; Make and to know the situation that group is switched between MS and the BS each other; Avoid BS whether to organize the resource of dispatching MS under the situation of handover success at uncertain MS, reduced the waste of resource.
The embodiment of the invention three provides a kind of group of switching device shifter, is used for organizing the control of handoff procedure to the terminal, and is as shown in Figure 6, comprising:
Assignment message transmitting element 10 is used for sending assignment message to the terminal, carries the specific information relevant with said terminal.
Detecting unit 20 when being used for message that specific information that receiving terminal carries according to assignment message transmitting element 10 sends, knows that the terminal organized switching.
Preferable; This device can also comprise that the specific information interpolation is provided with unit 30; Be used for being arranged on the form that assignment message that assignment message transmitting element 10 sends adds the relevant specific information in terminal, should be arranged in the information field of assignment message or be positioned at the TLV that assignment message increases newly by the specific information relevant with the terminal.
Preferable, this device can also comprise resource allocation unit 40, is used for after said assignment message transmitting element sends assignment message, sending up assignment message to said terminal, the assignment terminal is employed resource when sending message according to said specific information.
The embodiment of the invention also comprises a kind of base station, is used for organizing the control of handoff procedure to the terminal, specifically comprises three described groups of switching device shifters of embodiment, here no longer too much narration.
The said equipment that the embodiment of the application of the invention provides; BS is through sending private code and receive the response of MS according to this private code to MS; Make and to know the situation that group is switched between MS and the BS each other; Avoid BS whether to organize the resource of dispatching MS under the situation of handover success at uncertain MS, reduced the waste of resource.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium, comprises that some instructions are used so that an equipment is carried out the described method of each embodiment of the present invention.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (7)
1. a method of organizing switching is characterized in that, may further comprise the steps:
Send assignment message to the terminal, said assignment message indicates said terminal to organize switching, and said assignment message carries the specific information relevant with said terminal, and said specific information comprises the private code of distributing to said terminal and the effective time of said private code;
Send up assignment message to said terminal, the said terminal of assignment is employed resource when sending message according to said specific information, makes said terminal on said resource, send said private code;
Receive said terminal according to the message that said specific information sends, know that said terminal organized switching.
2. organize the method for switching according to claim 1, it is characterized in that said assignment message is up assignment message or descending assignment message.
3. organize the method for switching according to claim 1 or claim 2, it is characterized in that the said specific information relevant with the terminal is positioned at the information field of said assignment message, or be arranged in the newly-increased type lengths values TLV of said assignment message.
4. organize the method for switching according to claim 1, it is characterized in that, said specific information is the range finding private code, and said terminal is the request of finding range in new group of switching in the terminal according to the message that specific information sends.
5. a group device for switching is characterized in that, comprising:
The assignment message transmitting element; Be used for sending assignment message to the terminal; Said assignment message indicates said terminal to organize switching; Said assignment message carries the specific information relevant with said terminal, and said specific information comprises the private code of distributing to said terminal and the effective time of said private code;
Resource allocation unit; Be used for after said assignment message transmitting element sends assignment message; Send up assignment message to said terminal, the said terminal of assignment is employed resource when sending message according to said specific information, makes said terminal on said resource, send said private code;
Detecting unit when being used to receive the message that the specific information that carries according to said assignment message at said terminal sends, knows that said terminal organized switching.
6. group device for switching as claimed in claim 5 is characterized in that, also comprises:
The specific information interpolation is provided with the unit; Be used for being arranged on the form that assignment message that the assignment message transmitting element sends adds the relevant specific information in terminal, the said specific information relevant with the terminal is arranged in the information field of said assignment message or is positioned at the type lengths values TLV that said assignment message increases newly.
7. a base station is characterized in that, comprises like described group of device for switching of arbitrary claim in the claim 5 to 6.
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| CN101026818A (en) * | 2007-03-30 | 2007-08-29 | 华为技术有限公司 | Group switching method and device |
| CN101047622A (en) * | 2006-03-29 | 2007-10-03 | 华为技术有限公司 | Method for scheduling system resource |
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2007
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003032372A (en) * | 2001-07-13 | 2003-01-31 | Taiko Electric Works Ltd | INCOMING CALL TRANSFER METHOD IN VoIP TELEPHONE SYSTEM, AND TELEPHONE TERMINAL AND IN-GROUP SWITCH MANAGEMENT DEVICE FOR THE VoIP TELEPHONE SYSTEM |
| CN101047622A (en) * | 2006-03-29 | 2007-10-03 | 华为技术有限公司 | Method for scheduling system resource |
| CN1889785A (en) * | 2006-07-27 | 2007-01-03 | 华为技术有限公司 | Method and system for processing switch failure in group switching process |
| CN101026818A (en) * | 2007-03-30 | 2007-08-29 | 华为技术有限公司 | Group switching method and device |
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