CN101296474B - Method and device for distributing transmission resource for mobile station - Google Patents
Method and device for distributing transmission resource for mobile station Download PDFInfo
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- CN101296474B CN101296474B CN2007101020040A CN200710102004A CN101296474B CN 101296474 B CN101296474 B CN 101296474B CN 2007101020040 A CN2007101020040 A CN 2007101020040A CN 200710102004 A CN200710102004 A CN 200710102004A CN 101296474 B CN101296474 B CN 101296474B
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Abstract
The invention provides a method for allocating and transmitting resources for a mobile station. The method comprises the following steps: a notification message is transmitted to the mobile station which is in an idle state on a control channel; according to the received notification message, the mobile station utilizes wireless resource allocated by cells to transmit downstream data. When the current cell has no sufficient resource to allocate to the mobile station, by the technical proposal provided by the embodiment of the invention, a proper cell can be chosen to allocate resource for the mobile station according to a measuring report, and the mobile station is notified to access to a target cell in a dynamic way and to receive the downstream data through transmitting grouping shifting command to the mobile station on public control channel or grouping public control channel, thus better meeting the request for data transmission of a user.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of is method and the device thereof of mobile assignment transfer resource.
Background technology
Progress along with science and technology, people are also improving constantly the requirement of mobile communication business and quality, therefore the demand that seamlessly transits to the third generation (3G) mobile communication technology is proposed, major technique to 3G evolution has GPRS (GPRS, General Packer Radio Service), enhanced data rates global system for mobile communications evolution technology (EDGE, Enhanced Data Rate for GSM Evolution), high speed circuit switched data service (HSCSD, and the emphasis of research concentrates on and utilizes limited frequency spectrum resource to improve transmission rate and reduce transmission delay High Speed Circuit Switching Data).
GPRS is the packet data exchanged technology of introducing in global system for mobile communications (GSM, Global System for Mobile communication) network.It is superimposed on the gsm system, has prolonged the useful life of GSM, the forwarding of its group-based packet and the statistic multiplexing of channel, thus the data service that existing GSM is provided has leaped more than the 100Kbps from 9.6Kbps first.Because GPRS still adopts the GMSK (Guassian Minimum Shift Keying) (GMSK the same with GSM, Gaussian Minimum Shift Keying) modulation system, transmission rate can't reach the 2Mbps of 3G business need, the bandwidth demand of using in order fully to satisfy following radio multimedium, EDGE provides a transitional scheme from GPRS to the 3G (Third Generation) Moblie.EDGE is a kind of data enhancement mode mobile communication technology based on the GSM/GPRS network, usually is called the 2.75G technology by people again.This technology mainly is to use broadband service, can allow the network of use 800,900,1800,1900MHz frequency range that the partial function of 3 G mobile communication network is provided.
When carrying out packet data transmission, need between two transmission entities, set up Temporary Block Flow (TBF, Temporary Block Flow, TBF), be used at packet data physical channel (PDCH, Packet Data Channel) the upper transmission of supporting unidirectional upper-layer packet data cell (PDU, Packet Data Unit).
Fig. 1 is that prior art is the method for mobile assignment transfer resource, and detailed process is as follows:
Step 101: Serving GPRS Support Node (SGSN, Serving GPRS Support Node) to base station (BSS, Base Station System) stream of packets sign (PFI is carried in transmission, Packet Flow Identifier) downlink data, described PFI is used for sign packet flow context (PFC, Packet Flow Context), PFC is the description that SGSN offers the BSS service quality relevant with user data transmission (QoS, Quality of Service) parameter;
Step 102:BSS judges whether described downlink data exists corresponding PFC information, if so, then carry out step 105, if not, then carry out step 103;
Step 103:BSS sends the request of downloading PFC to SGSN;
Step 104:SGSN sends the corresponding QoS information of PFI to BSS;
Step 105:BSS judges whether to exist enough resources to satisfy the requirement of qos parameter, if so, then carry out step 106, if not, then carry out step 107;
Step 106:BSS is travelling carriage (MS, Mobile Station) distributing radio resource transmits described downlink data, and pass through the TBF assignment messages at Common Control Channel (CCCH, Common Control Channel) or the upper notice of Packet Common Control CHannel (PCCCH, Packet Common Control Channel) MS.
Step 107:BSS refusal is the MS distributing radio resource, and abandons described downlink data.
When prior art was the mobile assignment downlink transfer resource of packet idle state, if current area does not have enough resources, then the BSS refusal was the MS distributing radio resource, and abandons described downlink data.Therefore, in carrying out the invention process, the inventor finds that there are the following problems at least in the prior art: prior art does not have in the situation of enough resources in current area, can not come transmitting downlink data for the idle MS distributing radio resource of dividing into groups, thereby affect data transfer in the network.
Summary of the invention
The technical problem that the embodiment of the invention will solve is for providing a kind of method and device thereof of mobile assignment transfer resource that be, the cell base station that can select to have enough resources is that the mobile assignment Radio Resource of packet idle state comes transmitting downlink data.
For solving the problems of the technologies described above, the purpose of the embodiment of the invention is achieved through the following technical solutions:
It is a kind of for the method for mobile assignment transfer resource that the embodiment of the invention provides, and comprising:
Judge whether current area has resource to satisfy the quality of service requirement of travelling carriage downlink data transmission, if not, the Target cell of then selecting to have the quality of service requirement resource that satisfies downlink data transmission is described mobile assignment Radio Resource, and according to the Radio Resource structure grouping switching command that distributes; Send the grouping switching command to the travelling carriage that is in idle condition at control channel, the notice travelling carriage uses Target cell to be the radio resource transfer downlink data of mobile assignment, so that described travelling carriage is according to the grouping switching command that receives, using Target cell is the radio resource transfer downlink data of its distribution.
The embodiment of the invention also provides a kind of device of mobile assignment transfer resource that is, comprising:
Judging unit is used for judging whether current area has resource to satisfy the quality of service requirement of downlink data transmission;
Selected cell, when the result of judgment unit judges is that current area is not when having resource to satisfy the quality of service requirement of downlink data transmission, the Target cell that selection has the quality of service requirement resource that satisfies downlink data transmission is described mobile assignment Radio Resource, and sends to control unit according to the Radio Resource structure grouping switching command that distributes;
Control unit is used for sending the grouping switching command at control channel, and the travelling carriage that notice is in idle condition uses Target cell to be the radio resource transfer downlink data of its distribution.
By the embodiment of the invention provide for method and the device thereof of mobile assignment transfer resource, when the current area base station does not have enough resources to distribute to travelling carriage, can select suitable cell base station according to measurement report is the mobile assignment resource, and send the grouping switching command to travelling carriage by CCCH or PCCCH, notice is with dynamic access target cell base station downlink data receiving, thereby can better meet the user data transmission requirement.
Description of drawings
Fig. 1 is that prior art is the method for mobile assignment transfer resource;
Fig. 2 is that the present invention is the signaling process figure of method first embodiment of mobile assignment transfer resource;
Fig. 3 is that the present invention is the signaling process figure of method second embodiment of mobile assignment transfer resource;
Fig. 4 is that the present invention is the structure chart of the device preferred embodiment of mobile assignment transfer resource.
Embodiment
It is a kind of for method and the device thereof of mobile assignment transfer resource that the embodiment of the invention provides.For making technical scheme of the present invention clearer, referring to accompanying drawing and enumerate embodiment, the present invention is described in more detail.
Please refer to Fig. 2, is the signaling process figure of method first embodiment of mobile assignment transfer resource for the present invention.In the present embodiment, the base station has the measurement report about neighbor cell signal quality, resource situation of travelling carriage periodic report.The method of described allocation of downlink transfer resource comprises:
Step 201:SGSN for transmitting downlink data to MS, at first send downlink data with PFI information to the base station system 1 (BSS1) of current area;
Described PFI is used for mark P FC, and PFC comprises the description of relevant qos parameter in the transfer of data that SGSN offers BSS and user, and described qos parameter comprises the requirement of message transmission rate etc.
Step 202: current area judges whether that enough resources satisfy the qos parameter requirement among the described PFI, if so, then carry out step 203, if not, then carry out step 204;
Step 203: current area is that the MS distributing radio resource transmits described downlink data, and informs MS by the TBF assignment messages on CCCH.
Because MS is in packet idle mode, BSS upward informs MS by the TBF assignment messages at the Paging Control Channel (PCH, Paging Channel) of CCCH.
Step 204: current area is according to the measurement report of MS periodic report, selection meets the adjacent cell of wireless quality requirement as Target cell, and to SGSN transmission grouping handover request, the request target residential quarter is MS allocation of downlink transfer resource, and described grouping handover request is carried the information of described QoS information and Target cell;
When MS is in the GPRS Mobility Management ready state, can periodically sends measurement report to network, but during such as the GPRS Mobility Management armed state, then can periodically not send measurement report to network at other states.In the present embodiment, when MS is in the GPRS Mobility Management ready state, periodically send measurement report to network, so current area has the measurement report of MS periodic report.Described measurement report carries the information of the best several adjacent cells of wireless quality, so the current area measurement report that can report according to MS, selects wireless quality better as Target cell.
Step 205:SGSN to base station system 2 (BSS2) the transmission grouping handover request of Target cell, carries described QoS information according to the information of the Target cell that provides in the grouping handover request in the described grouping handover request;
Target cell can be the residential quarter of 2G or 3G network, if the PFI tabulation that needs foundation is then carried in the residential quarter of 2G network in the grouping handover request of Target cell transmission; If the tabulation that RAB (RAB, Radio Access Bearer) needs foundation is then carried in the residential quarter of 3G network in the redirect request of Target cell transmission, RAB is the passage of the transmission of data in the 3G network.In the present embodiment, Target cell is the 2G network, therefore carries the PFI tabulation that needs foundation in the grouping handover request of Target cell transmission.
Step 206: Target cell is according to described QoS information, for the MS distributing radio resource and set up TBF, and returns grouping handover acknowledge message to SGSN, and described grouping handover acknowledge message is carried Radio Resource and the described PFI information of distributing into MS;
Step 207:SGSN returns the response message that grouping is switched to the BSS1 of current area, and carrying described Target cell is Radio Resource and the described PFI information that MS distributes;
Step 208: the BSS1 of current area judges whether the BSS2 of Target cell is that MS has distributed suitable resource after receiving the response message of grouping switching, if so, then carry out step 210, if not, then carry out step 209;
Because it is the PFI information that MS sets up that SGSN returns the BSS2 that carries described Target cell in the response message that grouping switches to the BSS1 of current area, therefore the BSS1 according to current area receives the response message that grouping is switched, and can judge whether Target cell is that MS has distributed suitable resource.
Step 209: current area sends the packet switch cancellation order to SGSN, and abandons the downlink data that SGSN sends over.
Step 210: the flag information structure switching command of the wireless resource information of distributing in the grouping handover acknowledge message that current area is returned according to Target cell and indication travelling carriage;
The flag information of described indication travelling carriage is temporary logical link sign (TLLI, Temporary Logical Link Identifier).
Step 211: current area sends the grouping switching command by the PCH of CCCH to MS, and information, the Target cell that carries Target cell is the TBF resource information of MS distribution, the flag information of instruct MS etc.;
Step 212:MS is according to described grouping switching command, and the access Target cell transmits the downlink data that SGSN sends with the resource of the Target cell that provides in the grouping switching command.
Be method first embodiment of mobile assignment transfer resource by the present invention, when the current area base station does not have enough resources to distribute to travelling carriage, can select suitable cell base station according to measurement report is the mobile assignment resource, and send the grouping switching command to travelling carriage by CCCH, notice travelling carriage access target cell base station downlink data receiving, thus can better meet the user data transmission requirement.
Fig. 3 is that the present invention is the signaling process figure of method second embodiment of mobile assignment transfer resource, in the present embodiment, and base station requests travelling carriage reporting measurement reports.The method of described allocation of downlink transfer resource specifically comprises:
Step 301:SGSN gives the MS be in idle condition for transmitting downlink data, at first send the downlink data with PFI to the base station 1 (BSS1) of current area;
Described PFI is used for mark P FC, and PFC comprises the description of relevant qos parameter in the transfer of data that SGSN offers BSS and user, and described qos parameter comprises the requirement of message transmission rate etc.
Step 302: current area judges whether that enough resources satisfy the qos parameter requirement among the described PFI, if so, then carry out step 303, if not, then carry out step 304;
Step 303: current area is that the MS distributing radio resource transmits described downlink data, and informs MS by the TBF assignment messages on CCCH;
Because MS is in packet idle mode, BSS informs MS by the TBF assignment messages on the PCH of CCCH.
Use the downlink data of the TBF transmission SGSN transmission of setting up.
Step 304: current area sends the message of request MS reporting measurement reports to MS on the PCH of CCCH;
In the present embodiment, MS is in the GPRS Mobility Management state such as await orders, MS can be periodically to the network reporting measurement reports, therefore current area need to be asked the message of MS reporting measurement reports, comprise the ascending wireless resource block message that is used to indicate as mobile assignment in the message of described request travelling carriage reporting measurement reports, travelling carriage is by described ascending wireless resource piece reporting measurement reports.
Step 305:MS sends measurement report to current area by described ascending wireless resource piece at packet associated control channel (PACCH, Packet Associated Control Channel);
Step 306: the measurement report that current area reports according to MS, the Target cell of wireless quality requirement is satisfied in selection, and to SGSN transmission grouping handover request, the request target residential quarter is MS allocation of downlink transfer resource, and described grouping handover request is carried the information of described QoS information and Target cell;
Step 307:SGSN to base station system 2 (BSS2) the transmission grouping handover request of Target cell, carries described PFI information according to the information of the Target cell that provides in the grouping handover request in the described grouping handover request;
Target cell can be the residential quarter of 2G or 3G network, if the PFI tabulation that needs foundation is then carried in the residential quarter of 2G network in the grouping handover request of Target cell transmission; If the tabulation that RAB (RAB, Radio Access Bearer) needs foundation is then carried in the residential quarter of 3G network in the redirect request of Target cell transmission, RAB is the passage of the transmission of data in the 3G network.In the present embodiment, Target cell is the 2G network, therefore carries the PFI tabulation that needs foundation in the grouping handover request of Target cell transmission.
Step 308: Target cell is according to described QoS information, for the MS distributing radio resource and set up TBF, and returns grouping handover acknowledge message to SGSN, and described redirected response message is carried Radio Resource and the described PFI information of distributing into MS;
Step 309:SGSN returns the response message that grouping is switched to the BSS1 of current area, and carrying described Target cell is the Radio Resource that MS distributes;
Step 310: current area judges whether Target cell is that MS has distributed suitable resource, if so, then carry out step 312, if not, then carry out step 311 after receiving the response message of grouping switching;
Step 311: current area sends the packet switch cancellation order to SGSN, and abandons the downlink data that SGSN sends over.
Step 312: the flag information structure switching command of the wireless resource information of distributing in the grouping handover acknowledge message that current area is returned according to Target cell and indication travelling carriage;
The flag information of described indication travelling carriage is TLLI.
Step 313: the BSS1 of current area sends the grouping switching command by the PCH of CCCH to MS, and the information and the Target cell that carry Target cell are the Radio Resource that MS distributes;
Step 314:MS is according to described grouping switching command, and the access Target cell transmits the downlink data that SGSN sends with the resource of the Target cell that provides in the grouping switching command.
Be method second embodiment of mobile assignment transfer resource by the present invention, the current area base station does not have enough resources to distribute to travelling carriage and when not having measurement report, can order the travelling carriage reporting measurement reports, selecting suitable cell base station according to the measurement report that reports is the mobile assignment resource, and send the grouping switching command to travelling carriage by CCCH, notice travelling carriage access target cell base station downlink data receiving, thus can better meet the user data transmission requirement.
The switching command of grouping described in above-mentioned two embodiment is constructed by the current area base station, also can be by target cell base station according to being that the wireless resource information of mobile assignment and the flag information structure switching command of indication travelling carriage pass through the handover acknowledge message informing to current area, the flag information of described indication travelling carriage can be by the handover request message informing to Target cell.
Send to travelling carriage on the PCH of grouping switching command described in above-mentioned two embodiment by CCCH, also can send to travelling carriage on the PPCH by PCCCH, determined by network configuration.
Please refer to Fig. 4, is the structure chart of the device preferred embodiment of mobile assignment transfer resource for the present invention.Describedly comprise for the device of mobile assignment transfer resource: judging unit 41, selected cell 42, control unit 43.
Described judging unit 41 is used for judging whether the current area base station has resource to satisfy the quality of service requirement of downlink data transmission.
Described selected cell 42, when being used for result when judging unit 41 judgements and being the current area base station and not having resource to satisfy the quality of service requirement of downlink data transmission, the measurement report that provides according to travelling carriage, it is described mobile assignment Radio Resource that selection has the residential quarter of satisfying the wireless quality requirement, and sends to control unit according to distributing radio resource structure grouping switching command.
Described control unit 43 is for the grouping switching command that sends according to described selected cell 42, send the grouping switching command to described travelling carriage in Common Control Channel or Packet Common Control CHannel, the travelling carriage that notice is in idle condition uses Target cell to be the radio resource transfer downlink data of mobile assignment.
Be the device preferred embodiment of mobile assignment transfer resource by the present invention, when the current area base station does not have enough resources to distribute to travelling carriage, can select suitable cell base station is the mobile assignment resource, and send the grouping switching command to travelling carriage by CCCH or PCCCH, notice travelling carriage access Target cell downlink data receiving, thus can better meet the user data transmission requirement.
By the embodiment of the invention provide for method and the device thereof of mobile assignment transfer resource, when the current area base station does not have enough resources to distribute to travelling carriage, can select suitable cell base station according to measurement report is the mobile assignment resource, and send the grouping switching command to travelling carriage by CCCH or PCCCH, notice is with dynamic access Target cell downlink data receiving, thereby can better meet the user data transmission requirement.
Above to a kind of detailed introduction that has been the method for mobile assignment transfer resource and device row thereof provided by the present invention, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand disclosed technical scheme; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. one kind is the method for mobile assignment transfer resource, it is characterized in that, described method comprises:
Judge whether current area has resource to satisfy the quality of service requirement of travelling carriage downlink data transmission, if not, the Target cell of then selecting to have the quality of service requirement resource that satisfies downlink data transmission is described mobile assignment Radio Resource, and according to the Radio Resource structure grouping switching command that distributes;
Send the grouping switching command to the travelling carriage that is in idle condition at control channel, the notice travelling carriage uses Target cell to be the radio resource transfer downlink data of mobile assignment, so that described travelling carriage is according to the grouping switching command that receives, using Target cell is the radio resource transfer downlink data of its distribution;
Wherein, described Target cell is that the concrete mode of described mobile assignment downlink transfer resource is:
Current area sends the grouping handover request message of the information of the quality of service requirement parameter indication carry downlink data transmission, and the request target residential quarter is the downlink transfer resource of the mobile assignment quality of service requirement that satisfies downlink data transmission;
Target cell returns the grouping handover acknowledge message of carrying as the wireless resource information of mobile assignment.
2. according to claim 1 is the method for mobile assignment transfer resource, it is characterized in that,
Described control channel is specially: Common Control Channel or Packet Common Control CHannel.
3. according to claim 1 is the method for mobile assignment transfer resource, it is characterized in that, the Target cell that described selection has the quality of service requirement resource that satisfies downlink data transmission is that the concrete mode of described mobile assignment Radio Resource is: the Target cell that the measurement report that periodically reports according to travelling carriage selects to have the quality of service requirement resource that satisfies downlink data transmission to be described mobile assignment Radio Resource.
4. according to claim 1 is the method for mobile assignment transfer resource, it is characterized in that, the Target cell that described selection has the quality of service requirement resource that satisfies downlink data transmission is that the concrete mode of described mobile assignment Radio Resource is:
Send the message of request travelling carriage reporting measurement reports to described travelling carriage;
Travelling carriage is according to the information reporting measurement report of described request travelling carriage reporting measurement reports;
The Target cell that the measurement report that reports according to travelling carriage selects to have the quality of service requirement resource that satisfies downlink data transmission is described mobile assignment Radio Resource.
5. according to claim 4 is the method for mobile assignment transfer resource, it is characterized in that, sends the message of request travelling carriage reporting measurement reports by Common Control Channel or Packet Common Control CHannel.
6. according to claim 5 is the method for mobile assignment transfer resource, it is characterized in that, comprise the ascending wireless resource block message that is used to indicate as mobile assignment in the message of described request travelling carriage reporting measurement reports, travelling carriage is by described ascending wireless resource piece reporting measurement reports.
7. according to claim 1 is the method for mobile assignment transfer resource, it is characterized in that, described grouping switching command comprises the temporary logical link sign of the flag information that is used to indicate travelling carriage.
8. according to claim 1 is the method for mobile assignment transfer resource, it is characterized in that, the concrete mode of described structure grouping switching command is: the wireless resource information of distributing in the grouping handover acknowledge message that described current area is returned according to Target cell and the flag information structure switching command of indication travelling carriage.
9. according to claim 1 is the method for mobile assignment transfer resource, it is characterized in that, the concrete mode of described structure grouping switching command is: described Target cell is according to the flag information structure switching command for the wireless resource information of mobile assignment and indication travelling carriage, and the flag information of described indication travelling carriage passes through the handover request message informing to Target cell.
10. one kind is the device of mobile assignment transfer resource, it is characterized in that, described device comprises:
Judging unit is used for judging whether current area has resource to satisfy the quality of service requirement of downlink data transmission;
Selected cell, when the result of judgment unit judges is that current area is not when having resource to satisfy the quality of service requirement of downlink data transmission, the Target cell that selection has the quality of service requirement resource that satisfies downlink data transmission is described mobile assignment Radio Resource, and sends to control unit according to the Radio Resource structure grouping switching command that distributes; Wherein, described Target cell is that the concrete mode of described mobile assignment downlink transfer resource is: current area sends the grouping handover request message of the information of the quality of service requirement parameter indication carry downlink data transmission, and the request target residential quarter is the downlink transfer resource of the mobile assignment quality of service requirement that satisfies downlink data transmission; Target cell returns the grouping handover acknowledge message of carrying as the wireless resource information of mobile assignment;
Control unit is used for sending the grouping switching command at control channel, and the travelling carriage that notice is in idle condition uses Target cell to be the radio resource transfer downlink data of its distribution.
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| CN2007101020040A CN101296474B (en) | 2007-04-26 | 2007-04-26 | Method and device for distributing transmission resource for mobile station |
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| CN2007101020040A CN101296474B (en) | 2007-04-26 | 2007-04-26 | Method and device for distributing transmission resource for mobile station |
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| WO2014190469A1 (en) * | 2013-05-27 | 2014-12-04 | 华为技术有限公司 | Uplink signal transmission method and device |
| CN108811156B (en) * | 2017-05-04 | 2021-09-17 | 大唐移动通信设备有限公司 | Information transmission method and device |
| EP4066560A4 (en) * | 2020-05-15 | 2022-12-28 | ZTE Corporation | Method for report configuration |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719793A (en) * | 2004-07-08 | 2006-01-11 | 华为技术有限公司 | Method for allocating channel resources |
| CN1889750A (en) * | 2005-06-28 | 2007-01-03 | 中国人民解放军信息工程大学 | Channel distributing method in mixed network |
| CN1917699A (en) * | 2005-08-18 | 2007-02-21 | 华为技术有限公司 | Up-link access method for user terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1719793A (en) * | 2004-07-08 | 2006-01-11 | 华为技术有限公司 | Method for allocating channel resources |
| CN1889750A (en) * | 2005-06-28 | 2007-01-03 | 中国人民解放军信息工程大学 | Channel distributing method in mixed network |
| CN1917699A (en) * | 2005-08-18 | 2007-02-21 | 华为技术有限公司 | Up-link access method for user terminal |
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