CN1984047B - Method for transmitting data in mobile telecommunication system - Google Patents
Method for transmitting data in mobile telecommunication system Download PDFInfo
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- CN1984047B CN1984047B CN200610072330A CN200610072330A CN1984047B CN 1984047 B CN1984047 B CN 1984047B CN 200610072330 A CN200610072330 A CN 200610072330A CN 200610072330 A CN200610072330 A CN 200610072330A CN 1984047 B CN1984047 B CN 1984047B
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Abstract
The invention discloses a data transmission method in mobile communication system, it is characterized in that the method includes the following steps : A. allocate a logic channel for user data andstate data of a business; B. map the logic channel of users transmission data and transmission state data to different transmission channels and send . Use the disclosed method of this invention, canmake the state data transmission not affected by users data transmission of the same direction.
Description
Technical field
The present invention relates to a kind of data transmission technology, particularly a kind of method of data in mobile communication system transmission.
Background technology
Upstream data that transmits in the mobile communication system or downlink data had both comprised user data usually, comprised status data again.Described status data is the reply data after the recipient receives the data that transmit leg sends, for a data service (PS, Packet Service) professional, could send data again after requiring transmit leg to send sometimes to receive the reply data that the opposite end is the recipient after the data.Described status data is also referred to as the response status data.
Such as: insert (WCDMA in Wideband Code Division Multiple Access (WCDMA); Wide-band Code DevisionMultiple Access) high speed downlink packet in technology the 5th version inserts (HSDPA; High SpeedDownlink Packet Access) in the technology; for the PS business; Radio Link control (RLC; RadioLink Control) pattern can be set to affirmation mode (AM usually; Acknowledged Mode); under affirmation mode; radio network controller (RNC; Radio Network Controller) the RLC entity of side is after receiving that the opposite end is the user data of UE side transmission; send the RLC entity of response status data, and the RLC entity of UE side discharges according to the response status data decision that receives or retransmit the Frame that has sent to the UE side.If the RLC entity of UE side is not received the response status data that the RLC entity of RNC side sends within a certain period of time, then can cause UE side RLC entity resets, repeatedly after the RLC entity resets even can cause Radio Link (RL) to discharge and interrupt data and transmit.Described RL is an entity of physical layer.
In the prior art; the recipient corresponds to a logic channel for the user data of transmit leg for the reply data of transmit leg and recipient usually; logic channel is mapped on the shared transmission channel again, to sharing the scheduling of data on the transmission channel, then can carry out according to precedence information usually.
As in the HSDPA technology, the process of transfer of data comprises step shown in Figure 1, is specially:
Step 101: determine professional dispatching priority.
Usually by the qos parameter of RNC, determine professional dispatching priority in the step 101 according to appointment in RAB (RAB, the Radio Access Bearer) assignment request (Assignment request).Usually comprise following steps before the step 101: core net (CN) issues the RAB assignment request message to RNC and sets up the PS business; The RNC judgement is based upon the high-speed downstream public affairs with the PS business and enjoys the last and RLC employing affirmation mode of channel (HS-DSCH, High Speed Downlink Shared Channel).
Step 102: be logic channel of this traffic assignments.
Usually, when UE sets up a PS business, RNC is logic channel of this traffic assignments, and the priority of logical channels of distribution is corresponding with service dispatching priority, and the dispatching priority of described business (Scheduling Priority) can be derived from the RAB qos parameter of CN configuration.Described service dispatching priority is the overall target that a User Priority is added professional priority own, and here, its priority of a plurality of business of a user can be different.
Step 103: the described logic channel of step 102 is mapped to a Queue under medium access control (MAC-d) stream (flow) of handling dedicated channel.
In the step 103, queue priority is corresponding with service dispatching priority.Handle the MAC (MAC-d of dedicated channel, MAC entity handles DCH (s)) the entity priority scheduling of being responsible for this logic channel is mapped to the formation .HSDPA of respective priority is mainly realized in MAC-hs, MAC-hs just determines to issue earlier the data of which formation according to the priority of each formation, so service dispatching priority is a key factor of carrying out packet scheduling.
Among the HSDPA, the logic channel that no matter is a plurality of same priorities is mapped to a formation or the corresponding formation of logic channel, for a business, the Frame that its logic channel passes down all can be delivered in the same formation, has identical dispatching priority, and no longer distinguish the content that comprises in this Frame is that user data still is other status information data, and this logic channel can be mapped on the HS-DSCH channel.
The shortcoming of prior art is: owing to comprise status data and the corresponding logic channel of the Frame that comprises user data, and be mapped in the priority query, its priority is corresponding with service dispatching priority, therefore when service dispatching priority level is low, the dispatching priority of status data is also low, just bigger by long-time congested possibility in scheduling, finally cause transmitting terminal can't receive the response status data and no longer transmit, cause data transmission fails.Such as in HSDPA, via the Frame that passes under the same RLC entity, no matter be that user data or status data all belong to a PS business, and professional only corresponding logic channel of PS, have same priority attribute, and this logic channel is bound to be mapped in the formation that MAC-d flows down.Because MAC-hs is to carry out according to the priority of Frame place formation when scheduling, if therefore certain professional dispatching priority is not high, the dispatching priority of then relevant with this business RLC status data is also just corresponding lower, just bigger by long-time congested possibility in the scheduling of MAC-hs, finally cause transmitting terminal can't receive the response status data and the RLC entity that resets, will cause Radio Link to discharge after repeatedly resetting, and then cause wireless connections to interrupt data transmission fails.Described wireless connections are meant the connection of air interface.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of data in mobile communication system transmission, can make the transmission of status data not be subjected to the influence of equidirectional user data transmission.
Technical scheme of the present invention is achieved in that
A kind of method of data in mobile communication system transmission, the method includes the steps of:
A, be that the user data and the status data of a business distributes a logic channel respectively;
B, the logic channel that will transmit user data are mapped to the formation that media access control MAC-d of handling dedicated channel flows down and send the dispatching priority of the corresponding described business of the priority of this formation; The logic channel of transferring status data is mapped to the high-priority queue transmission that MAC-d flows down.
In high-speed downlink packet access HSDPA, this method further comprised before steps A: the dispatching priority that pre-determines described business;
Among the step B, the logic channel that will transmit user data according to service dispatching priority is mapped in the formation that MAC-d flows down.
After pre-determining the dispatching priority of described business, this method further comprised steps A 1 before execution in step A:
A1, judge whether professional dispatching priority belongs to low priority, if, execution in step A then, otherwise execution in step A2;
A2, be logic channel of described traffic assignments, and logic channel be mapped in the formation of MAC-d stream.
After pre-determining the dispatching priority of described business, this method further comprised before execution in step B: judge whether described professional respective user has existed the business of identical dispatching priority, if exist, the logic channel and the former professional logic channel that transmits user data that then among the step B Added Business are transmitted user data are mapped to the same formation that MAC-d flows down, and the logic channel of Added Business transferring status data and the logic channel of former professional transferring status data are mapped to the same high-priority queue that MAC-d flows down; Otherwise the logic channel that among the step B Added Business is transmitted user data is mapped to the formation that MAC-d flows down, the dispatching priority of the corresponding described Added Business of this queue priority, and the logic channel of transferring status data is mapped to the high-priority queue that MAC-d flows down.
After pre-determining the dispatching priority of described business, this method further comprised before execution in step B: judge whether described professional respective user has existed the business of identical dispatching priority, if exist, the logic channel and the former professional logic channel that transmits user data that then among the step B Added Business are transmitted user data are mapped to the same formation that MAC-d flows down, and the logic channel of Added Business transferring status data and the logic channel of former professional transferring status data are mapped to the same high-priority queue that MAC-d flows down; Otherwise among the step B Added Business is transmitted the logic channel of user data and the logic channel of Added Business transferring status data and be mapped to another formation that MAC-d flows down.
After in the steps A 2 being logic channel of described traffic assignments, logic channel is mapped to the formation that MAC-d flows down, the dispatching priority of the corresponding described business of queue priority.
The logic channel of transferring status data is mapped to before the high-priority queue that MAC-d flows down, this method further comprises: judge whether to allow the logic channel of transferring status data to be mapped to dedicated channel DCH, if not, then the logic channel with transferring status data is mapped to the high-priority queue that MAC-d flows down; Otherwise the logic channel of transferring status data is mapped to DCH.
This method further comprises before pre-determining the dispatching priority of described business: core net issues the RAB assignment messages to radio network controller and sets up data service business; Radio network controller is determined data service business is based upon on the high speed descending sharing channel, and affirmation mode is adopted in Radio Link control.
The described dispatching priority that pre-determines business is determined according to the service quality in the RAB assignment messages.
Be that status data and user data distribute different logic channels among the present invention, and be mapped to the method that different transmission channels sends respectively, can make the transmission of status data not be subjected to the influence of equidirectional user data transmission.
The present invention has following beneficial effect:
1) avoided being status data and logic channel of user data distribution in the prior art, and be mapped in the priority query that its priority is corresponding with service dispatching priority, when causing service dispatching priority to be hanged down, status data sends congested problem.
When 2) scheme of the present invention is used in HSDPA, can be the logic channel of a high priority of status data additional allocation of AM pattern RLC entity generation in the PS business, and this logic channel is mapped to high-priority queue under DCH dedicated channel or the MAC-d flow at MAC-d, specifically: when decision is on the HS-DSCH of PS service bearer in HSDPA of AM pattern the time with certain RLC, logic channel for two different priorities of this traffic assignments: a logic channel is responsible for transmitting descending user data, this logic channel is mapped to a formation under the MAC-d flow, and the corresponding service dispatching priority of the priority of this formation, promptly the Scheduling Priority according to business determines; And another logic channel is responsible for transmitting RLC entity state data, and this logic channel can be mapped to the high-priority queue under DCH or the MAC-d flow.So just make user data and status data in the mapping of transmission channel, be treated with a certain discrimination, status data is no longer congested because of professional low priority, guarantee that status data arrives the opposite end in the permission time, guaranteed that the opposite end is that the RLC entity of UE is in time received and confirmed bag and reset operation does not take place, to reduce the Uu mouth possibility that RLC resets taking place, thereby improves the quality of wireless connections.
Description of drawings
Fig. 1 is the process schematic diagram of transfer of data in the prior art;
Fig. 2 is the process schematic diagram of transfer of data in the embodiment of the invention 1;
Fig. 3 is the process schematic diagram of transfer of data in the embodiment of the invention 2;
Fig. 4 is the process schematic diagram of transfer of data in the embodiment of the invention 3;
Fig. 5 is the process schematic diagram of transfer of data in the embodiment of the invention 4;
Fig. 6 is the process schematic diagram of transfer of data in the embodiment of the invention 5;
Application scenarios schematic diagram when Fig. 7 is mapped to the DCH channel for the logic channel corresponding to single PS business, the descending RLC status data of transmission;
The application scenarios schematic diagram of Fig. 8 when being mapped to the high-priority queue under the same MAC-d flow corresponding to single PS business, the logic channel that transmits descending RLC status data;
Fig. 9 is corresponding to many low priorities PS business, the application scenarios schematic diagram the when logic channel that transmits descending RLC status data is mapped to same DCH channel;
Figure 10 is corresponding to many low priorities PS business, the application scenarios schematic diagram the when logic channel that transmits descending RLC status data is mapped to high-priority queue under the same MAC-d flow.
Embodiment
Core concept of the present invention is: the user data that is a business distributes different logic channels with status data, and the logic channel of transmitting user data and the logic channel of transmission state data are mapped to different transmission channel transmissions respectively.
For HSDPA, specifically use when of the present invention, different processing modes can be arranged, such as: if the logic channel that allows to transmit the RLC status data is mapped to DCH, then is mapped to DCH, otherwise is mapped to the high-priority queue that MAC-d flows down; If there is the business of identical dispatching priority in the user of the transport service correspondence of wanting, then Added Business and the former professional logic channel that transmits user data are mapped to same formation, the corresponding service dispatching priority of queue priority, the logic channel of Added Business and former professional transferring status data is mapped to same formation or same DCH; Two logic channels of traffic assignments that only service dispatching priority belonged to low priority, service dispatching priority is not belonged to low priority business processing can with prior art in identical, as only distributing a logic channel etc.Described RLC status data also can be called RLC state bag.
Described priority is a grade conception, generally include multistage, such as 1 grade～14 grades etc., concrete which grade is that high priority or low priority can be provided with in advance, such as: 1 grade～5 grades are set to high priority, are set to low priority with 6 grades～14 grades, or 1 grade～4 grades are set to high priority, are set to low priority etc. with 5 grades～14 grades.When the logic channel that transmits the RLC status data is mapped to the high-priority queue that MAC-d flows down, specifically be mapped in the high-priority queue which, can be according to concrete implementation strategy decision, here, the logic channel of a plurality of professional transferring status datas can be mapped to the different queue that MAC-d flows down, also can be mapped to same formation, be mapped to highest-priority queue that MAC-d flows down etc. such as the logic channel of the transferring status data that all are professional.
Following with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
Embodiment 1:
In the present embodiment, the logic channel of transferring status data is mapped to the high-priority queue that MAC-d flows down, concrete data transmission procedure comprises following steps as shown in Figure 2 in the present embodiment:
Step 201: determine professional dispatching priority.
In the step 201 usually by RNC according to the qos parameter of assigning in the RAB assignment request, determine professional dispatching priority.In the HSDPA technology, comprise following steps usually before the step 201: core net issues the RAB assignment request message to RNC and sets up the PS business; The RNC judgement is based upon the last and RLC employing affirmation mode of HS-DSCH with the PS business.
Step 202: be two logic channels of this traffic assignments, one of them transmits user data, and priority is corresponding with service dispatching priority, and another transmits the status data that AM pattern RLC produces, and priority is set to height.
The described service dispatching priority of step 202 is the overall target that a User Priority is added professional priority own, and here, its dispatching priority of a plurality of business of a user can be identical or different.The priority of logical channels of described transmission user data is meant with service dispatching priority is corresponding: the priority of logical channels that transmits user data is determined according to service dispatching priority, when being 6 grades such as service dispatching priority, the priority of logical channels that transmits these service-user data also is 6 grades etc.
The priority of logical channels of transferring status data is set to height in the step 202, specifically being set to which high priority can be according to concrete implementation strategy decision, such as being provided with 1 grade～4 grades when the high priority, the priority of logical channels of transferring status data is set to 1 grade or 2 grades etc.Described service dispatching priority can derive from the RAB qos parameter of CN configuration.
Step 203: the logic channel of transmit traffic data is mapped to the formation that MAC-d flows down, the corresponding service dispatching priority of queue priority.
Step 204: the logic channel that will transmit the RLC status data is mapped to the high-priority queue that MAC-d flows down.
After the step 204, the MAC-hs scheduling just issues the data of each formation according to the priority of each formation.
During practical application, step 203 can also can be carried out with step 204 or carry out after step 204 as shown in Figure 2 before step 204 simultaneously.
Embodiment 2:
In the present embodiment, before the step 204 shown in Figure 2, carry out a judgement, judge whether that promptly the logic channel that allows to transmit the RLC status data is mapped to DCH,, then be mapped to DCH, otherwise be mapped to the high-priority queue that MAC-d flows down if allow.Concrete data transmission procedure comprises following steps as shown in Figure 3 in the present embodiment:
Step 301～step 303: identical with step 201～step 203.
Step 304: judge whether to allow the logic channel with transferring status data to be mapped to DCH, if allow, then execution in step 305; Otherwise execution in step 306.
Described the judging whether of step 304 allows, usually according to the decision of operation strategy.Usually, logic channel is mapped to DCH is with the difference that is mapped to the same high-priority queue MAC-d flow under: DCH is a dedicated channel, timely arrival that more can the Guarantee Status Frame, but the extra DCH expense of its needs; Though and high-priority queue has high priority in scheduling, the strategy of real scheduling also will be considered a lot of other factorses, still might be by congested.When operator specifically moves, can select whether to allow to be mapped to DCH according to these distinctive points.
Step 305: the logic channel of transferring status data is mapped to DCH, finishes this handling process.
Step 306: the logic channel that will transmit the RLC status data is mapped to the high-priority queue that MAC-d flows down.
During practical application, step 304 can be carried out between step 303 and step 305 as shown in Figure 3, also can carry out any position before step 305.
After step 305 or the step 306, the MAC-hs scheduling just issues the data of each formation according to the priority of each formation.
Embodiment 3:
In the present embodiment, carry out a judgement before the step 203 shown in Figure 2, i.e. judgement is the business whether user of the transport service correspondence of wanting has existed identical dispatching priority, if exist, then Added Business and the former professional logic channel that transmits user data are mapped to same formation, the corresponding service dispatching priority of queue priority, the logic channel of Added Business and former professional transferring status data is mapped to same formation or same DCH, concrete data transmission procedure comprises following steps as shown in Figure 4 in the present embodiment:
Step 401～step 402: identical with step 201～step 202.
Step 403: judge whether this business corresponding UE has existed the business of identical dispatching priority, if then execution in step 404; Otherwise execution in step 406.
Step 404: the logic channel that Added Business is transmitted the transmission user data of the logic channel of user data and former business is mapped to the same Low Priority Queuing under the same MAC-d flow.
Described Added Business is meant the described business of step 401, and described former business is meant the described already present business of step 403.
Step 405: the logic channel that Added Business is transmitted the RLC status data is mapped to the same high-priority queue that MAC-d flows down with the logic channel that member's business transmits the RLC status data, finishes this handling process.
Step 406: the logic channel that Added Business is transmitted user data is mapped to the priority query under the MAC-d flow, and queue priority is corresponding with service dispatching priority.
Step 407: the logic channel of Added Business transmission RLC status data is mapped to the high-priority queue under the MAC-d flow.
During practical application, step 403 can be carried out the optional position between step 401 and step 404.
After step 405 or the step 407, the MAC-hs scheduling just issues the data of each formation according to the priority of each formation.
Embodiment 4:
In the present embodiment, carry out a judgement before the step 202 shown in Figure 2, judge promptly whether the dispatching priority of described business belongs to low priority, if then be two logic channels of this traffic assignments; Otherwise this business is only distributed a logic channel.Concrete data transmission procedure comprises following steps as shown in Figure 5 in the present embodiment:
Step 501: determine professional dispatching priority.
Described step 501 is concrete identical with step 201.
Step 502: judge whether this professional dispatching priority belongs to low priority, if then execution in step 503, otherwise execution in step 505.
Step 503: be two logic channels of this traffic assignments, one of them transmits user data, and priority is corresponding with service dispatching priority, and another transmits the status data that AM pattern RLC produces, and priority is set to height.
Described step 503 is concrete identical with step 202.
Step 504: the logic channel of transmit traffic data is mapped to the Low Priority Queuing that MAC-d flows down; The logic channel that transmits the RLC status data is mapped to the high-priority queue that MAC-d flows down, finishes this handling process.
Step 505: be logic channel of this traffic assignments, its priority is corresponding with service dispatching priority.
Step 506: described logic channel is mapped to the formation that MAC-d flows down, the corresponding service dispatching priority of queue priority.
After step 504 or the step 506, the MAC-hs scheduling just issues the data of each formation according to the priority of each formation.
Embodiment 5:
Present embodiment is the combination of embodiment 2, embodiment 3, embodiment 4.Data transmission procedure concrete in the present embodiment can comprise following steps as shown in Figure 6:
Step 601: determine professional dispatching priority.
Described step 601 is concrete identical with step 201.
Step 602: judge whether this professional dispatching priority belongs to low priority, if then execution in step 603; Otherwise execution in step 613.
Step 603: be two logic channels of this traffic assignments, one of them transmits user data, and priority is corresponding with service dispatching priority, and another transmits the status data that AM pattern RLC produces, and priority is set to height.
Described service dispatching priority specifically with step 202 in identical.
Step 604: judge whether this business corresponding UE exists the business of identical dispatching priority, if then execution in step 605; Otherwise execution in step 609.
Step 605: the logic channel that Added Business is transmitted the transmission user data of the logic channel of user data and former business is mapped to the same formation under the same MAC-d flow, and queue priority is corresponding with service dispatching priority.
In the step 605, because service dispatching priority belongs to low priority, therefore described formation is a Low Priority Queuing.
Step 606: judge whether to allow the logic channel with transferring status data to be mapped to DCH, if allow, then execution in step 607; Otherwise execution in step 608.
Step 606 is described judge whether to allow specifically with step 304 in identical.
Step 607: Added Business is transmitted the logic channel of RLC status data and the logic channel of the former professional RLC of transmission status data is mapped to same DCH, finish this handling process.
Step 608: the logic channel that Added Business is transmitted the RLC status data is mapped to the same high-priority queue that MAC-d flows down with the logic channel that member's business transmits the RLC status data, finishes this handling process.
Step 609: the logic channel that Added Business is transmitted user data is mapped to the priority query under the MAC-d flow, and queue priority is corresponding with service dispatching priority.
In the step 609, because service dispatching priority belongs to low priority, therefore described formation is a Low Priority Queuing.
Step 610: judge whether to allow the logic channel with transferring status data to be mapped to DCH, if allow, then execution in step 611; Otherwise execution in step 612.
Step 610 is described judge whether to allow specifically with step 304 in identical.
Step 611: the logic channel that Added Business transmits the RLC status data is mapped to DCH, finishes this handling process.
Step 612: the logic channel of Added Business transmission RLC status data is mapped to the high-priority queue under the MAC-d flow.
Step 613～step 614: identical with step 505～step 506, be specially: be logic channel of this traffic assignments, its priority is corresponding with service dispatching priority; Described logic channel is mapped to the formation that MAC-d flows down, the corresponding service dispatching priority of queue priority.
During practical application, scheme described in the present embodiment can be applied in the different scenes, as Fig. 7, Fig. 8, Fig. 9, shown in Figure 10.7a, 8a, 9a, 10a are for using the entity schematic diagram of realizing the logic channel mapping in the present embodiment before the scheme among each figure, and 7b, 8b, 9b, 10b are for using the entity schematic diagram of realizing the logic channel mapping in the present embodiment before the scheme.Specifically:
When the scheme in the present embodiment finishes in execution in step 607 backs, application scenarios as shown in Figure 7, application scenarios schematic diagram when Fig. 7 is mapped to the DCH channel for the logic channel corresponding to single PS business, the descending RLC status data of transmission, contrast 7a and 7b are as can be seen among Fig. 7: use in the present embodiment after the scheme, for this low priority traffice has increased a high priority logic channel newly and has been mapped to the DCH transmission channel, guaranteed that the status data of AM pattern RLC in time arrives the UE end;
When the scheme in the present embodiment finishes in execution in step 608 backs, application scenarios as shown in Figure 8, the application scenarios schematic diagram of Fig. 8 when being mapped to the high-priority queue under the same MAC-dflow corresponding to single PS business, the logic channel that transmits descending RLC status data, contrast 8a and 8b are as can be seen among Fig. 8: use in the present embodiment after the scheme, for this low priority traffice has increased a high priority logic channel newly and has been mapped to high-priority queue under the same MAC-d flow, guaranteed that the status data of AM pattern RLC obtains high priority dispatch in MAC-d hs;
When the scheme in the present embodiment finishes in execution in step 611 backs, application scenarios as shown in Figure 9, Fig. 9 is corresponding to many low priorities PS business, application scenarios schematic diagram when the logic channel that transmits descending RLC status data is mapped to same DCH channel, contrast 9a and 9b are as can be seen among Fig. 9: use in the present embodiment after the scheme, each low priority traffice has increased the status data of a high priority logic channel transmission AM pattern RLC newly, and all logic channels that transmit AM pattern RLC status datas are mapped to same DCH transmission channel;
When the scheme in the present embodiment finishes in execution in step 612 backs, application scenarios as shown in figure 10, Fig. 9 is corresponding to many low priorities PS business, application scenarios schematic diagram when the logic channel that transmits descending RLC status data is mapped to high-priority queue under the same MAC-d flow, contrast 10a and 10b are as can be seen among Figure 10: use in the present embodiment after the scheme, each low priority traffice has increased the status data of a high priority logic channel transmission AM pattern RLC newly, and the logic channel of all transmission AM pattern RLC status datas is mapped to the high-priority queue under the same MAC-d flow.
During practical application, except scheme shown in the embodiment 5, embodiment 2, embodiment 3, embodiment 4 can also carry out other reasonable combination of two or three, are not described in detail in this.
Scheme of the present invention is except among the HSDPA that is applicable to the WCDMA system, also is applicable in the transmission of other up directions that need transmitting user data and status data or down direction.
The above is preferred embodiment of the present invention only, is not to be used to limit the scope of application of the present invention.
Claims (9)
1. the method for data in mobile communication system transmission is characterized in that the method includes the steps of:
A, be that the user data and the status data of a business distributes a logic channel respectively;
B, the logic channel that will transmit user data are mapped to the formation that media access control MAC-d of handling dedicated channel flows down and send the dispatching priority of the corresponding described business of the priority of this formation; The logic channel of transferring status data is mapped to the high-priority queue transmission that MAC-d flows down.
2. method according to claim 1 is characterized in that, in high-speed downlink packet access HSDPA, this method further comprised before steps A: the dispatching priority that pre-determines described business;
Among the step B, the logic channel that will transmit user data according to service dispatching priority is mapped in the formation that MAC-d flows down.
3. method according to claim 2 is characterized in that, pre-determine the dispatching priority of described business after, this method further comprised steps A 1 before steps A:
A1, judge whether professional dispatching priority belongs to low priority, if, execution in step A then, otherwise execution in step A2;
A2, be logic channel of described traffic assignments, and logic channel be mapped in the formation of MAC-d stream.
4. method according to claim 3, it is characterized in that, after pre-determining the dispatching priority of described business, this method further comprised before execution in step B: judge whether described professional respective user has existed the business of identical dispatching priority, if exist, the logic channel and the former professional logic channel that transmits user data that then among the step B Added Business are transmitted user data are mapped to the same formation that MAC-d flows down, and the logic channel of Added Business transferring status data and the logic channel of former professional transferring status data are mapped to the same high-priority queue that MAC-d flows down; Otherwise the logic channel that among the step B Added Business is transmitted user data is mapped to the formation that MAC-d flows down, the dispatching priority of the corresponding described Added Business of the priority of this formation, and the logic channel of transferring status data is mapped to the high-priority queue that MAC-d flows down.
5. method according to claim 2, it is characterized in that, after pre-determining the dispatching priority of described business, this method further comprised before execution in step B: judge whether described professional respective user has existed the business of identical dispatching priority, if exist, the logic channel and the former professional logic channel that transmits user data that then among the step B Added Business are transmitted user data are mapped to the same formation that MAC-d flows down, and the logic channel of Added Business transferring status data and the logic channel of former professional transferring status data are mapped to the same high-priority queue that MAC-d flows down; Otherwise among the step B Added Business is transmitted the logic channel of user data and the logic channel of Added Business transferring status data and be mapped to another formation that MAC-d flows down.
6. method according to claim 3 is characterized in that, in the steps A 2 be logic channel of described traffic assignments after, logic channel is mapped to the formation that MAC-d flows down, the dispatching priority of the corresponding described business of queue priority.
7. method according to claim 1, it is characterized in that, the logic channel of transferring status data is mapped to before the high-priority queue that MAC-d flows down, this method further comprises: judge whether to allow the logic channel of transferring status data to be mapped to dedicated channel DCH, if not, then the logic channel with transferring status data is mapped to the high-priority queue that MAC-d flows down; Otherwise the logic channel of transferring status data is mapped to DCH.
8. according to each described method of claim 2 to 6, it is characterized in that, pre-determine the dispatching priority of described business before this method further comprise: core net issues the RAB assignment messages to radio network controller and sets up data service business; Radio network controller is determined data service business is based upon on the high speed descending sharing channel, and affirmation mode is adopted in Radio Link control.
9. method according to claim 8 is characterized in that, the described dispatching priority that pre-determines business is determined according to the service quality in the RAB assignment messages.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1409562A (en) * | 2001-09-29 | 2003-04-09 | Lg电子株式会社 | Method for transmitting block data in communication system |
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2006
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| CN1409562A (en) * | 2001-09-29 | 2003-04-09 | Lg电子株式会社 | Method for transmitting block data in communication system |
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