CN102769876A - Method and device for ensuring quality of service in relay system - Google Patents
Method and device for ensuring quality of service in relay system Download PDFInfo
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- CN102769876A CN102769876A CN2012102252737A CN201210225273A CN102769876A CN 102769876 A CN102769876 A CN 102769876A CN 2012102252737 A CN2012102252737 A CN 2012102252737A CN 201210225273 A CN201210225273 A CN 201210225273A CN 102769876 A CN102769876 A CN 102769876A
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Abstract
The invention discloses a method for ensuring the quality of service of a relay node. The method comprises the following steps of: acquiring a list of user equipment (UE) with a delay-sensitive service; transmitting measurement configuration to the UE with the delay-sensitive service in the list of the UE with the delay-sensitive service; and after a measurement report is received from the UE with the delay-sensitive service, selecting a handover target cell consistent with a preset condition, and performing the handover of the UE with the delay-sensitive service to the selected handover target cell.
Description
Technical field
The present invention relates to Long Term Evolution (LTE, Long Term Evolution) communication system, the method and apparatus that particularly guarantees service quality in the relay system.
Background technology
LTE is as UMTS (UMTS; Universal Mobile Telecommunications System) evolvement network of network; A kind of low time delay, high data rate, high power system capacity and covering, low cost are provided; And fully based on the network of Internet protocol (IP, Internet Protocol).For flexibility, the reduction networking cost that improves operator's site deployment, and improve the network coverage and power system capacity, in the LTE networking, introduced relaying (Relay) technology.
The LTE network architecture behind the introducing relaying technique is as shown in Figure 1.(Relay Node is the Un interface with contributing the interface between the base station (DeNB, Donor eNodeB) RN) to via node, is called back haul link (Backhaul Link); Interface between R-UE (belonging to the UE of RN) and the RN is the Uu interface, is called access link (Access Link); Interface between subscriber equipment (UE, User Equipment) and the DeNB is the Uu interface, is called the link that direct transfers (Direct Link).RN plays the function of transfer between UE and DeNB, the most function of the base station of supporting to satisfy condition (eNB, Evolved NodeB) is also supported the most function of UE.DeNB (comprises other eNB, between Mobility Management Entity (MME, Mobility Management Entity) and the gateway (S-GW, Service-Gateway)) S1 and X2 agent functionality is provided with other network nodes at RN.
DeNB is through time division multiplexing DeNB and RN to the transfer of data of RN, and the transfer of data of RN and UE realizes.Therefore, increased the business datum time delay of UE under the RN.
After in the LTE networking, introducing relaying technique, the one, improve QoS from the scheduling aspect; The 2nd, improve service quality from relaying Path selection aspect.But because the network architecture has been introduced a new network element RN and one section wireless backhaul link; Require special sub-frame configuration simultaneously; This has just increased the data transmission delay of UE under the RN; This is very serious to having the professional customer impact of delay sensitive, thereby can't fully guarantee the quality of services for users of time delay sensitive traffic, has influenced user experience.
Summary of the invention
To the problems referred to above; The purpose of this invention is to provide the method and apparatus that guarantees the service quality that delay sensitive is professional in the relay system; It can identify through RN has the professional UE of delay sensitive, and will have the professional UE of delay sensitive and initiatively switch to eNB or DeNB.In another kind of scheme; Said method and apparatus makes to have the professional UE of delay sensitive and has only wireless signal when this sub-district to be lower than preset gate just to switch to RN in limited time under eNB or the DeNB; Thereby reduced the professional data transmission delay of delay sensitive, improved user experience.
To achieve these goals, the invention provides the method that a kind of via node guarantees service quality, said method comprising the steps of: obtain user equipment (UE) tabulation with delay sensitive business; The said professional UE sending measuring of delay sensitive that has that has in the professional UE tabulation of delay sensitive is disposed; Receive said have the measurement report that the professional UE of delay sensitive reports after, select to satisfy the switching target small area of predetermined condition, and the UE that will saidly have a delay sensitive business switches to selected said switching target small area.
Further, said method is periodically to detect or said UE carries and sets up that flow process accomplishes that the back is detected or the scheduler of said via node triggers after detecting the delay requirement that can't satisfy business through said via node.
Further, obtaining the step with the professional UE tabulation of delay sensitive comprises: obtain the delay sensitive service identification; Whether is that the delay sensitive business judges whether said UE has the professional UE of delay sensitive according to said delay sensitive service identification through the Data Radio Bearer of judging said UE.
Further, said delay sensitive service identification is QCI, and wherein said QCI combines corresponding qos requirement configuration by background net management, and perhaps said QCI is by the qos requirement identification of said via node according to correspondence.
Further; Receive said have the measurement report that the professional UE of delay sensitive reports after; The switching target small area of predetermined condition is satisfied in selection; And the step that said UE with delay sensitive business is switched to selected said switching target small area comprises: judge the sub-district that whether has non-via node in the Neighboring Cell List in the measurement report that UE reports under it, if exist, then travel through said Neighboring Cell List; Obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, obtain the best adjacent area of wireless signal in the said Neighboring Cell List, said UE with delay sensitive business is switched to the best adjacent area of said wireless signal.
The method that the present invention also provides a kind of eNB or DeNB to guarantee service quality; It is characterized in that; Said method comprising the steps of: the Target cell that switches to is belonged to via node if having the measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB; Then have only wireless signal to be lower than preset gate in limited time as said eNB or DeNB; Said eNB or DeNB just switch to said Target cell with said UE with delay sensitive business; If have the said measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB Target cell that switches to is not belonged to via node, the UE that then said eNB or DeNB will saidly have the delay sensitive business switches to the best sub-district of wireless signal in the said Target cell.
Further, said method also comprises: according to the load of this sub-district and the load of said via node, judge whether to switch to said via node with not having the professional UE of delay sensitive.
Further; Said method also comprises: judge the sub-district that whether has non-via node in the said Neighboring Cell List that has in the measurement report that the professional UE of delay sensitive reports; If exist; Then travel through said Neighboring Cell List, obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, if being lower than, the wireless signal of said eNB or DeNB presets thresholding, the best adjacent area of wireless signal that then obtains in the said Neighboring Cell List also switches to the best adjacent area of said wireless signal with said UE with delay sensitive business, otherwise, do not carry out switching.
Further, the said signalc threshold that presets thresholding less than measurement configuration.
The present invention also provides a kind of via node that guarantees service quality, and it is characterized in that, said via node is configured to: obtain the UE tabulation with delay sensitive business; The said professional UE sending measuring of delay sensitive that has that has in the professional UE tabulation of delay sensitive is disposed; Receive said have the measurement report that the professional UE of delay sensitive reports after, select to satisfy the switching target small area of predetermined condition, and the UE that will saidly have a delay sensitive business switches to selected said switching target small area.
Further, whether said via node also is configured to periodically detect perhaps carry to set up at said UE and detects after flow process is accomplished or be satisfied through the professional delay requirement of its scheduler detection.
Further, said via node also is configured to: obtain the delay sensitive service identification; Whether is that the delay sensitive business judges whether said UE has the professional UE of delay sensitive according to said delay sensitive service identification through the Data Radio Bearer of judging said UE.
Further, said delay sensitive service identification is QCI, and wherein said QCI combines corresponding qos requirement configuration by background net management, and perhaps said QCI is by the qos requirement identification of said via node according to correspondence.
Further; Said via node also is configured to: judge the sub-district that whether has non-via node in the Neighboring Cell List in the measurement report that UE reports under it; If exist; Then travel through said Neighboring Cell List, obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, obtain the best adjacent area of wireless signal in the said Neighboring Cell List, said UE with delay sensitive business is switched to the best adjacent area of said wireless signal.
The present invention also provides a kind of eNB that guarantees service quality or DeNB; Said eNB or DeNB are configured to: if having the measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB Target cell that switches to is belonged to via node; Then have only wireless signal to be lower than preset gate in limited time as said eNB or DeNB; Just said UE with delay sensitive business is switched to said Target cell; If have the said measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB Target cell that switches to is not belonged to via node, the UE that then will saidly have the delay sensitive business switches to the best sub-district of wireless signal in the said Target cell.
Further, said eNB or DeNB also are configured to: according to the load of this sub-district and the load of said via node, judge whether to switch to said via node with not having the professional UE of delay sensitive.
Further; Said eNB or DeNB also are configured to: judge the sub-district that whether has non-via node in the said Neighboring Cell List that has in the measurement report that the professional UE of delay sensitive reports; If exist; Then travel through said Neighboring Cell List, obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, if being lower than, the wireless signal of said eNB or DeNB presets thresholding, the best adjacent area of wireless signal that then obtains in the said Neighboring Cell List also switches to the best adjacent area of said wireless signal with said UE with delay sensitive business, otherwise, do not carry out switching.
Further, the said signalc threshold that presets thresholding less than measurement configuration.
The present invention also provides a kind of Long Term Evolution communication system, and said system comprises above-mentioned via node.
The present invention also provides a kind of Long Term Evolution communication system, and said system comprises above-mentioned eNB or DeNB.
Adopt technical scheme of the present invention, will have the professional UE of delay sensitive and initiatively switch to other eNB or DeNB, perhaps liquid container has the UE of time delay sensitive traffic to switch toward RN, has reduced the professional data transfer delay of delay sensitive, has improved user experience.
Description of drawings
Fig. 1 is a LTE network architecture sketch map of introducing relaying technique;
Fig. 2 is the flow chart according to the method for the assurance delay sensitive QoS of one embodiment of the present invention;
Fig. 3 is the flow chart according to the method for the assurance delay sensitive QoS of another embodiment of the present invention;
Fig. 4 has the flow chart that the professional UE of delay sensitive switches to eNB under the RN;
Fig. 5 has the flow chart that the professional UE of delay sensitive switches to DeNB under the RN;
Fig. 6 is a flow chart of judging the UE type;
Fig. 7 is the flow chart that RN receives switch decision behind the measurement report; And
Fig. 8 right and wrong RN receives the flow chart of switch decision behind the measurement report.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
The basic thought of delay sensitive QoS that in relay system, guarantees according to the present invention is:
1, delay sensitive Business Processing under the RN.At first, RN identifies according to Packet Delay Budget (QCI) and has the professional UE of delay sensitive; Secondly, RN disposes the professional UE sending measuring of delay sensitive that has that identifies according to neighbor cell configuration information; The 3rd, after RN receives the measurement report that UE reports,, select to satisfy the candidate target cells of predetermined condition and initiate to switch according to measurement report, adjacent cell configuration and the adjacent cell load information etc. that UE reports.
2, delay sensitive Business Processing under eNB or the DeNB.For having the professional UE of delay sensitive under eNB or the DeNB,, then have only wireless signal when this sub-district to be lower than preset gate and just switch in limited time to RN if the Target cell of its switching is RN; If the Target cell of its switching is DeNB or eNB, then carries out and switch by general switch decision criterion.
According to a kind of execution mode, with reference to shown in Figure 2, the method for delay sensitive QoS that in relay system, guarantees of the present invention may further comprise the steps:
The 201st step: RN calls delay sensitive UE acquisition module and obtains the UE tabulation with delay sensitive business all under the RN (service identification module through RN identifies the UE realization with delay sensitive business according to the delay sensitive service identification);
The 202nd step: RN obtains measurement configuration parameter and neighbor cell configuration parameter, and the measurement configuration module of RN is to having the professional UE sending measuring configuration of delay sensitive;
After the 203rd step: RN receives the measurement report that UE reports, select to satisfy the switching target small area of predetermined condition, and the UE that will saidly have a delay sensitive business switches to selected said switching target small area.
This step comprises that specifically the Neighboring Cell List that measurement report is carried filters, and removes unknown adjacent area and switches restriction adjacent area etc.Then, successively the Neighboring Cell List after filtering is adjudicated, the switching target small area of predetermined condition is satisfied in output.At last, UE is switched to the switching target small area of being exported.
In concrete embodiment, above-mentioned steps can periodically detect or UE carries and to set up flow process and accomplish that the back is detected or scheduler detects the delay requirement that can't satisfy business through RN, and is triggered.
According to another kind of execution mode, with reference to shown in Figure 3, the method for delay sensitive QoS that in relay system, guarantees of the present invention may further comprise the steps:
The 301st step: eNB or DeNB filter the adjacent cell list that carries in the measurement report after receiving the measurement report that UE reports, and obtain to satisfy to switch the adjacent sub-district that requires;
The 302nd step: judge according to the delay sensitive sign whether this UE has the delay sensitive business;
The 303rd step: if UE has the delay sensitive business, and to filter the adjacent sub-district of the switching target obtain be RN, then has only wireless signal when this sub-district to be lower than preset gate and just UE is switched to this target adjacent section in limited time;
The 304th step: if filter the adjacent sub-district of the switching target that obtains is DeNB or eNB, then UE is preferentially switched to the best adjacent sub-district of signal.
This step specifically can attempt realizing through initiating to switch to adjacent sub-district successively from big to small according to wireless signal strength (Reference Signal Received Power (RSRP) or Reference Signal Received Quality).
Through above-mentioned steps, have the professional UE of delay sensitive and can stay in eNB or the DeNB sub-district as far as possible, if do not have eNB or DeNB sub-district, then stay among the good RN of signal as far as possible.And do not have the professional UE of delay sensitive, then can stay in the good sub-district of signal as far as possible.Can obtain better service quality like this.
In concrete embodiment; After UE switches to target eNB or DeNB; ENB or DeNB can be according to the load of this sub-district and the loads of RN; Whether decision will not have the professional UE of delay sensitive with part switches to RN, thereby makes more UE with delay sensitive business switch to eNB or DeNB more, and better service quality is provided.
To condition of different, above-mentioned first kind of execution mode can be realized through following different embodiment.
Embodiment 1:
Present embodiment is to have the processing that the professional UE of delay sensitive switches to eNB under the RN, and is as shown in Figure 4.
The 401st step: RN periodically detects or UE carries and to set up that flow process accomplishes that the back is detected or the scheduler of RN detects and can't satisfy professional delay requirement, goes to the 402nd and goes on foot;
The 402nd step: RN calls the module of obtaining delay sensitive UE and obtains all UE tabulations with delay sensitive business, goes to for the 403rd step;
The 403rd step: RN has the professional UE of delay sensitive (through Radio Resource control (Radio Resource Control to each; RRC) connect reallocation message) sending measuring configuration (receive then RRC that UE reports connects to reshuffle accomplish message), went to for the 404th step;
The 404th step: RN waits for the UE reporting measurement reports.After receiving the measurement report that UE reports, the switch decision module of RN is adjudicated, and obtains the adjacent sub-district of the switching target that satisfies predetermined condition, and carries out X2 or the S1 switching flow of RN to eNB.
Embodiment 2:
Present embodiment is to have the processing that the professional UE of delay sensitive switches to DeNB under the RN, and is as shown in Figure 5.
The 501st step: RN periodically detects or UE carries and to set up that flow process accomplishes that the back is detected or the scheduler of RN detects and can't satisfy professional delay requirement, goes to the 202nd and goes on foot;
The 502nd step: RN calls and obtains delay sensitive UE module and obtain all professional UE tabulations of delay sensitive that have, and goes to for the 503rd step;
The 503rd step: RN has the professional UE of delay sensitive (connecting reallocation message through RRC) sending measuring configuration (receive then RRC that UE reports connects to reshuffle accomplish message) to each, goes to for the 504th step;
The 504th step: RN waits for the UE reporting measurement reports.After receiving the measurement report that UE reports, RN calls the switch decision module and adjudicates, and obtains switching target small area, and carries out X2 or the S1 switching flow of RN to DeNB.
With reference to shown in Figure 6, according to first kind of execution mode, the concrete steps that RN identification has the professional UE of delay sensitive are following:
The 601st step: obtain the delay sensitive service identification, went to for the 602nd step;
Wherein, The delay sensitive service identification can adopt QCI; Can combine the corresponding qos requirement of QCI at the professional QCI of background net management configuration delay sensitive, (RN or network elements such as eNB or DeNB) directly identify the professional QCI of delay sensitive according to the corresponding qos requirement of QCI perhaps on the foreground.
Particularly, during the professional QCI of background net management configuration delay sensitive, after the base station gets access to this configuration parameter, just can adjudicate this UE according to the QCI of the carrying of UE and whether have the delay sensitive business.Whether the foreground is discerned according to QCI corresponding packet delay budget (Packet Delay Budget) is delay sensitive QCI, and for example, QCI corresponding packet delay budget just is identified as delay sensitive QCI in certain value such as the QCI below the 100ms.
The 602nd the step: obtain UE first Data Radio Bearer (Data Radio Bearer, DRB), go to the 603rd the step;
The 603rd step: whether the DRB that judgement is obtained is that delay sensitive is professional, if delay sensitive is professional, then exporting the UE type is delay sensitive, and returns; Otherwise, went to for the 604th step;
The 604th step: if the DRB that is obtained has been last DRB, then to export the UE type be non-delay sensitive and return; Otherwise, obtain the next DRB of UE, went to for the 603rd step.
With reference to shown in Figure 7, receive that according to the RN of first kind of execution mode the processing of carrying out switch decision behind the measurement report that UE reports specifically comprises:
The 701st step: the Neighboring Cell List in the measurement report that UE is reported filters (filter unknown adjacent area, switch restriction adjacent area etc.), goes to for the 702nd step;
UE in this step maybe also maybe be for not having the professional UE of delay sensitive for having the professional UE of delay sensitive.In addition, the Neighboring Cell List that carries in the measurement report is orderly, and it also is to begin from first adjacent area in order that Neighboring Cell List is filtered, and the Neighboring Cell List behind this spline filter also is orderly.
The 702nd step: judge whether UE has the delay sensitive business,, then went to for the 703rd step if do not have; Otherwise, went to for the 704th step;
The 703rd step: obtain first adjacent area (being the best adjacent area of wireless signal) of the Neighboring Cell List after the filtration, and output switches, return;
The 704th step: judge whether there is non-RN in the Neighboring Cell List,, then went to for the 705th step if exist; Otherwise, went to for the 706th step;
The 705th step: the Neighboring Cell List after traversal is filtered, obtain first non-RN adjacent area (being the best non-RN adjacent area of wireless signal), and output action is designated as switching, return;
The 706th step: obtain first adjacent area (being the best adjacent area of wireless signal) of the Neighboring Cell List after the filtration, and output action is designated as switching.
Under the situation in the 706th step, the adjacent area of carrying in the measurement report all is RN, has the professional UE of delay sensitive like this and just is in the good sub-district of signal.
With reference to shown in Figure 8, receive that according to the non-RN (eNB or DeNB) of second kind of execution mode the processing of carrying out switch decision behind the measurement report that UE reports specifically comprises:
The 801st step: the Neighboring Cell List in the measurement report that UE is reported filters (filter unknown adjacent area, switch restriction adjacent area etc.), goes to for the 802nd step;
The 802nd step: judge whether UE has the delay sensitive business,, then went to for the 803rd step if do not have; Otherwise, went to for the 804th step;
The 803rd step: obtain first adjacent area (being the best adjacent area of wireless signal) of the Neighboring Cell List after the filtration, and output switches, return;
The 804th step: judge whether there is non-RN in the Neighboring Cell List,, then went to for the 805th step if exist; Otherwise, went to for the 806th step;
The 805th step: the Neighboring Cell List after traversal is filtered, obtain first non-RN adjacent area (being the best non-RN adjacent area of wireless signal), and output action is designated as switching, return;
The 806th step: preset thresholding if the wireless signal of this sub-district is lower than, then obtain first adjacent area of the Neighboring Cell List after the filtration, and output action is designated as switching; Otherwise output action is designated as no-output.
In above-mentioned the 806th step, preset thresholding and will satisfy certain constraints with the signalc threshold of measurement configuration, promptly the signalc threshold of measurement configuration is greater than this and presets thresholding, switches to avoid occurring table tennis.Wherein, measurement configuration is that UE is handed down to through RRC connection reallocation message in the base station, and the measurement configuration parameter disposes at background net management.
The present invention also provides a kind of via node that guarantees service quality, and said via node is configured to: obtain the UE tabulation with delay sensitive business; The said professional UE sending measuring of delay sensitive that has that has in the professional UE tabulation of delay sensitive is disposed; Receive said have the measurement report that the professional UE of delay sensitive reports after, select to satisfy the switching target small area of predetermined condition, and the UE that will saidly have a delay sensitive business switches to selected said switching target small area.
Further, whether said via node also is configured to periodically detect perhaps carry to set up at said UE and detects after flow process is accomplished or be satisfied through the professional delay requirement of its scheduler detection.
Further, said via node also is configured to: obtain the delay sensitive service identification; Whether is that the delay sensitive business judges whether said UE has the professional UE of delay sensitive according to said delay sensitive service identification through the Data Radio Bearer of judging said UE.
Further, said delay sensitive service identification is QCI, and wherein said QCI combines corresponding qos requirement configuration by background net management, and perhaps said QCI is by the qos requirement identification of said via node according to correspondence.
Further; Said via node also is configured to: judge the sub-district that whether has non-via node in the Neighboring Cell List in the measurement report that UE reports under it; If exist; Then travel through said Neighboring Cell List, obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, obtain the best adjacent area of wireless signal in the said Neighboring Cell List, said UE with delay sensitive business is switched to the best adjacent area of said wireless signal.
The present invention also provides a kind of eNB that guarantees service quality or DeNB; Said eNB or DeNB are configured to: if having the measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB Target cell that switches to is belonged to via node; Then have only wireless signal to be lower than preset gate in limited time as said eNB or DeNB; Just said UE with delay sensitive business is switched to said Target cell; If have the said measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB Target cell that switches to is not belonged to via node, the UE that then will saidly have the delay sensitive business switches to the best sub-district of wireless signal in the said Target cell.
Further, said eNB or DeNB also are configured to: according to the load of this sub-district and the load of said via node, judge whether to switch to said via node with not having the professional UE of delay sensitive.
Further; Said eNB or DeNB also are configured to: judge the sub-district that whether has non-via node in the said Neighboring Cell List that has in the measurement report that the professional UE of delay sensitive reports; If exist; Then travel through said Neighboring Cell List, obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, if being lower than, the wireless signal of said eNB or DeNB presets thresholding, the best adjacent area of wireless signal that then obtains in the said Neighboring Cell List also switches to the best adjacent area of said wireless signal with said UE with delay sensitive business, otherwise, do not carry out switching.
Further, the said signalc threshold that presets thresholding less than measurement configuration.
The present invention also provides a kind of Long Term Evolution communication system, and said system comprises above-mentioned via node.
The present invention also provides a kind of Long Term Evolution communication system, and said system comprises above-mentioned eNB or DeNB.
The method and apparatus of above-mentioned assurance delay sensitive QoS is to be example with the via node in the LTE system; Yet method and apparatus of the present invention is not limited in this, as long as the method and apparatus that relates to card service quality of the present invention is all in protection scope of the present invention.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to accomplish through program, said procedure can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment the present invention is specified.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and the scope of technical scheme of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (20)
1. the method that via node guarantees service quality is characterized in that, said method comprising the steps of:
Obtain and have the professional user equipment (UE) tabulation of delay sensitive;
The said professional UE sending measuring of delay sensitive that has that has in the professional UE tabulation of delay sensitive is disposed; And
Receive said have the measurement report that the professional UE of delay sensitive reports after, select to satisfy the switching target small area of predetermined condition, and the UE that will saidly have a delay sensitive business switches to selected said switching target small area.
2. the method for claim 1; It is characterized in that said method is periodically to detect or said UE carries and sets up that flow process accomplishes that the back is detected or the scheduler of said via node triggers after detecting the delay requirement that can't satisfy business through said via node.
3. the method for claim 1 is characterized in that, obtains the step with the professional UE tabulation of delay sensitive and comprises:
Obtain the delay sensitive service identification;
Whether is that the delay sensitive business judges whether said UE has the professional UE of delay sensitive according to said delay sensitive service identification through the Data Radio Bearer of judging said UE.
4. method as claimed in claim 3 is characterized in that, said delay sensitive service identification is QCI, and wherein said QCI combines corresponding qos requirement configuration by background net management, and perhaps said QCI is by the qos requirement identification of said via node according to correspondence.
5. the method for claim 1; It is characterized in that; Receive said have the measurement report that the professional UE of delay sensitive reports after; The switching target small area of predetermined condition is satisfied in selection, and the step that said UE with delay sensitive business is switched to selected said switching target small area comprises:
Judge the sub-district that whether has non-via node in the Neighboring Cell List in the measurement report that UE reports under it; If exist; Then travel through said Neighboring Cell List; Obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, obtain the best adjacent area of wireless signal in the said Neighboring Cell List, said UE with delay sensitive business is switched to the best adjacent area of said wireless signal.
6. the method that guarantees service quality of eNB or DeNB is characterized in that, said method comprising the steps of:
If have the measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB Target cell that switches to is belonged to via node; Then have only wireless signal to be lower than preset gate in limited time as said eNB or DeNB; Said eNB or DeNB just switch to said Target cell with said UE with delay sensitive business; If have the said measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB Target cell that switches to is not belonged to via node, the UE that then said eNB or DeNB will saidly have the delay sensitive business switches to the best sub-district of wireless signal in the said Target cell.
7. method as claimed in claim 6 is characterized in that, said method also comprises:
According to the load of this sub-district and the load of said via node, judge whether to switch to said via node with not having the professional UE of delay sensitive.
8. method as claimed in claim 6 is characterized in that, said method also comprises:
Judge the sub-district that whether has non-via node in the said Neighboring Cell List that has in the measurement report that the professional UE of delay sensitive reports; If exist; Then travel through said Neighboring Cell List; Obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, if being lower than, the wireless signal of said eNB or DeNB presets thresholding, the best adjacent area of wireless signal that then obtains in the said Neighboring Cell List also switches to the best adjacent area of said wireless signal with said UE with delay sensitive business, otherwise, do not carry out switching.
9. method as claimed in claim 8 is characterized in that, the said signalc threshold that presets thresholding less than measurement configuration.
10. a via node that guarantees service quality is characterized in that, said via node is configured to:
Obtain and have the professional user equipment (UE) tabulation of delay sensitive;
The said professional UE sending measuring of delay sensitive that has that has in the professional UE tabulation of delay sensitive is disposed; And
Receive said have the measurement report that the professional UE of delay sensitive reports after, select to satisfy the switching target small area of predetermined condition, and the UE that will saidly have a delay sensitive business switches to selected said switching target small area.
11. via node as claimed in claim 10 is characterized in that, whether said via node also is configured to periodically detect perhaps carry to set up at said UE and detects after flow process is accomplished or be satisfied through the professional delay requirement of its scheduler detection.
12. via node as claimed in claim 10 is characterized in that, said via node also is configured to:
Obtain the delay sensitive service identification;
Whether is that the delay sensitive business judges whether said UE has the professional UE of delay sensitive according to said delay sensitive service identification through the Data Radio Bearer of judging said UE.
13. via node as claimed in claim 12 is characterized in that, said delay sensitive service identification is QCI, and wherein said QCI combines corresponding qos requirement configuration by background net management, and perhaps said QCI is by the qos requirement identification of said via node according to correspondence.
14. via node as claimed in claim 10; It is characterized in that; Said via node also is configured to: judge the sub-district that whether has non-via node in the Neighboring Cell List in the measurement report that UE reports under it, if exist, then travel through said Neighboring Cell List; Obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, obtain the best adjacent area of wireless signal in the said Neighboring Cell List, said UE with delay sensitive business is switched to the best adjacent area of said wireless signal.
15. eNB who guarantees service quality or DeNB; It is characterized in that; Said eNB or DeNB are configured to: if having the measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB Target cell that switches to is belonged to via node; Then have only wireless signal to be lower than preset gate in limited time as said eNB or DeNB; Just said UE with delay sensitive business is switched to said Target cell; If have the said measurement report indication that the professional UE of delay sensitive reports under said eNB or the DeNB Target cell that switches to is not belonged to via node, the UE that then will saidly have the delay sensitive business switches to the best sub-district of wireless signal in the said Target cell.
16. eNB as claimed in claim 15 or DeNB is characterized in that, said eNB or DeNB also are configured to: according to the load of this sub-district and the load of said via node, judge whether to switch to said via node with not having the professional UE of delay sensitive.
17. eNB as claimed in claim 15 or DeNB; It is characterized in that; Said eNB or DeNB also are configured to: judge the sub-district that whether has non-via node in the said Neighboring Cell List that has in the measurement report that the professional UE of delay sensitive reports, if exist, then travel through said Neighboring Cell List; Obtain the adjacent area of the best non-via node of wireless signal, said UE with delay sensitive business is switched to the adjacent area of the best non-via node of said wireless signal; Otherwise, if being lower than, the wireless signal of said eNB or DeNB presets thresholding, the best adjacent area of wireless signal that then obtains in the said Neighboring Cell List also switches to the best adjacent area of said wireless signal with said UE with delay sensitive business, otherwise, do not carry out switching.
18. eNB as claimed in claim 17 or DeNB is characterized in that, the said signalc threshold that presets thresholding less than measurement configuration.
19. a Long Term Evolution communication system is characterized in that, said system comprises like each described via node among the claim 10-14.
20. a Long Term Evolution communication system is characterized in that, said system comprises like each described eNB or DeNB among the claim 15-18.
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| CN2012102252737A CN102769876A (en) | 2012-07-02 | 2012-07-02 | Method and device for ensuring quality of service in relay system |
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| CN2012102252737A CN102769876A (en) | 2012-07-02 | 2012-07-02 | Method and device for ensuring quality of service in relay system |
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