CN102387595A - Access link semi-persistent scheduling resource configuration method, device and system for relay system - Google Patents
Access link semi-persistent scheduling resource configuration method, device and system for relay system Download PDFInfo
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- CN102387595A CN102387595A CN2010102729709A CN201010272970A CN102387595A CN 102387595 A CN102387595 A CN 102387595A CN 2010102729709 A CN2010102729709 A CN 2010102729709A CN 201010272970 A CN201010272970 A CN 201010272970A CN 102387595 A CN102387595 A CN 102387595A
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Abstract
The invention relates to wireless communication technology and discloses an access link semi-persistent scheduling resource configuration method for a relay system. The method includes steps of obtaining relay link subframe configure information of a relay link between a relay node (RN) and a donor evolved node B (DeNB) attached to the RN; and conducting access link semi-persistent scheduling resource (SPS) resource configuration according to the relay link subframe configure information. The invention further discloses a relay node, a node B and a communication system. By means of the scheme, the access link SPS resource configuration is conducted according to the relay link subframe configure information, thereby effectively avoiding conflict between access link SPS and the relay link subframe.
Description
Technical field
The present invention relates to wireless communication technology, relate in particular to a kind of relay system access link semi-static scheduling resources collocation method, device with system.
Background technology
Long Term Evolution (Long Term Evolution; LTE) system support semi-persistent scheduling (Semi-Persistent Scheduling, SPS), SPS was meant in a period of time; Evolution base station (evolvedNode B; ENB) be that (UE periodically uses the resource of being distributed to carry out transfer of data to subscriber equipment for User Equipment, the fixing up/downlink transfer resource of UE) distributing.
In the LTE system, eNB launches or forbids the SPS function of UE through the RRC signaling.When UE has launched SPS, whether eNB is that UE distributes the SPS resource according to the traffic performance decision of UE.ENB is after UE distributes the SPS resource, sends PDCCH with SPS C-RNTI scrambling to activate the resource of being distributed to UE.After receiving the PDCCH order that is used to activate the SPS resource, UE can be engaged in transmitting by the enterprising industry of the subframe that initial position determined of SPS cycle and SPS resource active.
The LTE system has introduced via node (Relay Node; RN) after; Network topology becomes double bounce by single-hop, is respectively access link and repeated link, and the Radio Link between RN and the UE is called access link; (Donor eNB, the Radio Link between DeNB) is called repeated link to the eNB that RN and this RN adhere to.In comprising the relay system of RN, access link and repeated link transmit through specific frame structure, and the subframe that is used for the repeated link transmission is called the repeated link subframe, and the subframe that is used for the access link transmission is called the access link subframe.
In the LTE system after introducing via node; Under the repeated link frame structure of configuration; Receive the constraint of existing SPS resources employment methods and HARQ sequential, access link SPS just passes and corresponding SPS re-transmission may appear on the repeated link subframe, clashes with the repeated link transmission.
Summary of the invention
The embodiment of the invention provides a kind of relay system access link semi-static scheduling resources collocation method, Apparatus and system.
The embodiment of the invention provides a kind of relay system access link semi-static scheduling resources collocation method, comprising: the repeated link subframe configuration information that obtains the repeated link between the base station DeNB that via node RN and this RN adhere to; Carry out access link SPS resource distribution according to said repeated link subframe configuration information.
The embodiment of the invention also provides a kind of via node, comprising: first acquiring unit is used to obtain the repeated link subframe configuration information of the repeated link between the base station DeNB that this via node RN and this RN adhere to; First dispensing unit is used for carrying out access link semi-persistent scheduling SPS resource distribution according to said repeated link subframe configuration information.
The embodiment of the invention also provides a kind of base station, comprising: second acquisition unit is used to obtain the repeated link subframe configuration information of the repeated link between the said base station that via node RN and this RN adhere to; Second dispensing unit is used for carrying out access link semi-persistent scheduling SPS resource distribution according to said repeated link subframe configuration information.
The embodiment of the invention also provides a kind of communication system, comprises via node and base station that the embodiment of the invention provides.
According to the scheme that the embodiment of the invention provides, carry out access link SPS resource distribution according to the repeated link subframe configuration information, can effectively avoid conflicting of access link SPS and repeated link subframe.
Description of drawings
Access link SPS resource allocation method schematic flow sheet in a kind of relay system that provides for the embodiment of the invention shown in Figure 1;
Access link SPS resource allocation method schematic flow sheet in a kind of relay system that provides for the embodiment of the invention shown in Figure 2;
A kind of frame structure sketch map that provides for the embodiment of the invention shown in Figure 3;
Access link SPS resource allocation method schematic flow sheet in the another kind of relay system that provides for the embodiment of the invention shown in Figure 4;
Access link SPS resource allocation method schematic flow sheet in the another kind of relay system that provides for the embodiment of the invention shown in Figure 5;
A kind of communication system architecture sketch map that provides for the embodiment of the invention shown in Figure 6;
A kind of via node structural representation that provides for the embodiment of the invention shown in Figure 7;
A kind of architecture of base station sketch map that provides for the embodiment of the invention shown in Figure 8.
Embodiment
In order to make concrete technical scheme of the present invention, goal of the invention clearer, be described further below in conjunction with concrete execution mode and accompanying drawing.
In embodiments of the present invention, in comprising the LTE system of RN, defined the SPS tenability of RN sub-district, whether the sub-district that is used to identify under the RN supports SPS.Behind the RN initial network entry, the SPS tenability of RN sub-district can adopt default value, and the default value of the SPS tenability of RN sub-district can be set to support or do not support, for example can express support for 1, and 0 expression is not supported, perhaps expresses support for 0, and 1 expression is not supported.
After the RN sub-district got into running status, according to the characteristic of the loading condition and the access service of this sub-district, whether RN can make a strategic decision will support SPS in this sub-district.For example, the load of RN sub-district is less, and the UE under the RN have Internet Protocol telephone (Voice over IP, VoIP) during speech business, RN can support SPS; Perhaps, when the RN cell load was big, SPS was not supported in the RN sub-district.If this RN sub-district SPS tenability changes, then RN can be to this current SPS tenability in DeNB notice RN sub-district.RN can take following mode to notify RN self current SPS tenability to this DeNB:
(1) RN can send Radio Resource control (Radio Resource Control, RRC) the current SPS tenability in information reporting RN sub-district to DeNB.This RRC message can be the RRC message that exists in the prior art; Also can be the RRC message that defines again; Promptly carry the information of the SPS tenability of indication RN sub-district in the RRC message through existence in the prior art, or indicate the SPS tenability of RN sub-district through the RRC message of definition again.
For example, can in UE capability information message (UECapabilityInformation message), carry the information of the SPS tenability of RN sub-district:
UECapabilityInformation message
--ASN1START
UECapabilityInformation::＝ SEQUENCE{
rrc-TransactionIdentifier RRC-TransactionIdentifier，
criticalExtensions CHOICE{
c1 CHOICE{
ueCapabilityInformation-r8 UECapabilityInformation-r8-IEs，
cellsps-supported-r10 cellsps-supported-r10-IE，
spare7NULL，
spare6NULL，spare5NULL，spare4NULL，
spare3NULL，spare2NULL，spare1 NULL
}，
criticalExtensionsFuture SEQUENCE{}
}
}
UECapabilityInformation-r8-IEs::＝ SEQUENCE{
ue-CapabilityRAT-ContainerList UE-CapabilityRAT-ContainerList，
nonCriticalExtension SEQUENCE{} OPTIONAL
}
Cellsps-supported-r10-IE::＝SEQUENCE{
Cellsps-supported ENUMERATED{supported，not supported}，
nonCriticalExtension SEQUENCE{} OPTIONAL
}
--ASN1STOP
In this message, (Information Element IE) indicates the SPS tenability of RN message through the Cellsps-supported-r10 information element.In embodiments of the present invention; Do not limit the SPS tenability of only in this RRC message of UECapabilityInformation message, sending the RN sub-district, can in other RRC message that those skilled in the art can know, send the SPS tenability of RN sub-district yet.
Perhaps, in embodiments of the present invention, can adopt the SPS tenability of the RRC message indication RN sub-district of redetermination, for example can define sub-district SPS tenability message (CellSPSsupportedcapability message) definition as follows:
CellSPSsupportedcapability message
--ASN1START
Cellspssupportedcapability-r10::＝ SEQUENCE{
cellsps-supported-r10 ellsps-supported-r10-IE，
spare1 NULL，
}，
criticalExtensionsFuture SEQUENCE{}
}
}
Cellsps-supported-r10-IE::＝SEQUENCE{
Cellsps-supported ENUMERATED{supported，not supported}，
nonCriticalExtension SEQUENCE{} OPTIONAL
}
--ASN1STOP
In this message, indicate the SPS tenability of RN sub-district through Cellsps-supported-r10IE.
(2) if having X2 interface between RN and this DeNB, RN can adopt the X2 interface application protocol, and (X2Application Protocol, X2AP) message reports the current SPS tenability of RN self to DeNB.This X2AP message can be acquisition that X2AP message of the prior art is made amendment; For example; Can set up request message (X2setup request message) or in eNB configuration update message (eNB configuration message), carry the information of the SPS tenability of indication RN sub-district in other X2AP message that perhaps those skilled in the art can know at X2.In embodiments of the present invention, the X2AP message that also can redetermination comprises the SPS tenability of RN sub-district.
(3) if having the S1 interface between RN and this DeNB, RN can adopt the S1 interface application protocol, and (S1Application Protocol, S1AP) message reports the current SPS tenability of RN self to DeNB.This S1AP message can be through acquisition that S1AP message of the prior art is made amendment; For example; Can set up request message (S1setup request message) or in eNB configurationmessage, carry the information of the SPS tenability of indication RN sub-district in other S1AP message that perhaps those skilled in the art can know at S1.In embodiments of the present invention, the S1AP message that also can redetermination comprises the SPS tenability of RN sub-district.
DeNB can be according to the SPS tenability configuration repeated link subframe of RN sub-district after receiving the current SPS tenability in RN sub-district that RN reports.
As shown in Figure 1, the embodiment of the invention provides access link SPS resource allocation method in a kind of relay system, comprising:
Step 101: the repeated link subframe configuration information that obtains the repeated link between the base station DeNB that RN and this RN adhere to.
The repeated link sub-frame configuration situation of the repeated link between repeated link subframe configuration information indication RN and the DeNB.
Step 102: carry out access link SPS resource distribution according to said repeated link subframe configuration information.
In the method that present embodiment provides, carry out access link SPS resource distribution according to the repeated link subframe configuration information, can effectively avoid conflicting of access link SPS and repeated link subframe.
As shown in Figure 2, the embodiment of the invention provides access link SPS resource allocation method in a kind of relay system, comprising:
Step 201:DeNB is according to the SPS tenability configuration repeated link subframe of RN sub-district.
DeNB can consider the SPS tenability of RN sub-district when being configured the repeated link subframe.RN can pass through RRC message, or when having X2 interface or S1 interface between RN and this eNB, can the SPS tenability of RN be notified to DeNB through X2AP message or S1AP message.
When RN sub-district SPS tenability was support, DeNB can be the subframe of the even number in the subframe with the repeated link sub-frame configuration, perhaps, is the subframe of the odd number in the subframe with the repeated link sub-frame configuration.
Table 1
For example, a kind of cycle that table 1 provides for the embodiment of the invention is frequency division multiplexing (Frequency Division Duplex, FDD) the repeated link frame structure in the system of 40 milliseconds (ms).In table 1,4n, 4n+1,4n+2 and 4n+3 represent first frame, second frame, the 3rd frame and the 4th frame in the 40ms cycle successively, comprise 10 sub-frame in each frame, are numbered 0-9.The repeated link sub-frame allocation is a unit with subclass (subset).Numeral in the table 1 is numbered (#) in the frame of correspondence be this digital subframe.For example, the subframe 2 among the numeral 2 expression frame 4n+1 that up among the subset0 (uplink) subframe 4n+1 is corresponding.Each subset comprises 3 descending (downlink) subframes and 3 corresponding sub-frame of uplink in the 40ms cycle.For example, as shown in Figure 3, a kind of frame structure sketch map that provides for the embodiment of the invention; In frame structure shown in Figure 3; Configuration subset0 is the repeated link subframe, and then at 40ms in the cycle, the #0 subframe of the #2 subframe of 4n+1 frame (being numbered 2 subframe), 4n+2 frame and the #6 subframe of 4n+3 are used to the downlink relay link subframe; Other descending sub frame is used for access link, also is like this for sub-frame of uplink.The repeated link sub-frame configuration can be chosen some subset, also can be the combination of several subset.
When the repeated link sub-frame configuration is the even number subframe, then the downlink relay link subframe can select a subset or a plurality of subset among subset0, subset2, subset4 and the subset6 combination as the repeated link subframe.
In embodiments of the present invention; DeNB to the collocation method of repeated link be merely a kind of for example; DeNB can carry out the repeated link sub-frame configuration according to the SPS tenability of RN sub-district to the frame structure of other any form, only also can be not limited only to during configuration in even number subframe or configuration repeated link subframe on the odd number subframe only.
Step 202:RN receives the repeated link subframe configuration information that DeNB sends.
DeNB can pass through RRC message after carrying out the repeated link sub-frame configuration according to the SPS tenability of RN sub-district, or when having X2 interface or S1 interface between DeNB and the RN, through X2AP or S1AP message the repeated link subframe configuration information is sent to RN.
Step 203:RN carries out access link SPS resource distribution according to the repeated link subframe configuration information that is received from DeNB.
For example, if the repeated link sub-frame configuration is that subframe numbers is the subframe of even number, access link SPS initial transmission subframe can be configured on the subframe that subframe numbers is an odd number; If the repeated link sub-frame configuration is that subframe numbers is the subframe of odd number, access link SPS initial transmission subframe can be configured on the subframe that subframe numbers is an even number.
For example, in frame structure as shown in table 1, the repeated link sub-frame configuration is the even number subframe, and like the subset2 subframe, then RN can be the odd number subframe with the initial sub-frame configuration of SPS, on #1, #3 or #7 subframe when carrying out access link SPS resource distribution.
The method that provides according to present embodiment; DeNB can optimize the configuration of repeated link subframe according to the SPS tenability of RN; In addition, RN carries out the SPS resource distribution according to the repeated link subframe configuration information that DeNB sends, and can avoid conflicting of access link SPS and repeated link subframe.Method according to the embodiment of the invention provides has also guaranteed the compatibility with prior art.
As shown in Figure 4, the embodiment of the invention provides access link SPS resource allocation method in the another kind of relay system, comprising:
Step 401:DeNB is according to the SPS tenability configuration repeated link subframe of RN sub-district.
DeNB can be with reference to the content in the step 201 in the method shown in Figure 2 according to the method for the SPS tenability configuration repeated link subframe of RN sub-district in this step.
Step 402:DeNB carries out access link SPS resource distribution according to the repeated link sub-frame configuration.
DeNB can limit access link SPS resource distribution according to the repeated link sub-frame configuration of confirming.For example; If the repeated link sub-frame configuration is the subframe of even number; Then DeNB can be provided with the subframe of the initial sub-frame configuration of access link SPS resource distribution at odd number, access link SPS resource distribution indication al-SPS-subframestart promptly is set is strange (odd).
Step 403:RN receives the access link SPS resource distribution indication information that this DeNB sends.
DeNB can also send to RN with the repeated link subframe configuration information simultaneously.Access link SPS resource distribution indication information indication DeNB is to the situation of access link SPS resource distribution.DeNB can send to RN with repeated link subframe configuration information, access link SPS resource distribution indication information in same message; For example, can repeated link subframe configuration information and access link SPS resource distribution indication information be sent in BL SystemInformation message:
BLSystemInformation message
--ASN1START
blSystemInformation::＝ SEQUENCE{
blsystemInformation-r10 blSystemInformation-r10-IEs，
criticalExtensionsFuture SEQUENCE{}
}
}
blSystemInformation-r10-IEs::＝ SEQUENCE{
Unsubframeconfiguration-r10 Unsubframeconfiguration-r10-IEs，
OPTIONAL --Need ON
AlSPSconfigurationIndicator-r10 ENUMERATED{
odd，even}，
OPTIONAL --Need ON
nonCriticalExtension SEQUENCE{} OPTIONAL
--Need OP
}
--ASN1STOP
Also can send message that comprises the repeated link subframe configuration information and the message that transmission comprises access link SPS resource distribution indication information respectively and give RN.
Step 404:RN distributes access link SPS resource according to the access link SPS resource distribution indication information that receives.
RN distributes access link SPS resource can comprise SPS active position, SPS cycle and Physical Resource Block (Physical Resource Block, PRB) resource etc.For example, if al-SPS-subframestart is odd in the access link SPS resource distribution indication information that RN receives, then RN can be odd number subframe such as #1, #3 or #7 work song frame with the initial sub-frame configuration of SPS when configuration access link SPS.
In the present embodiment; DeNB can send repeated link subframe configuration information and access link SPS resource distribution indication information to RN; RN can obtain the repeated link subframe that communicates with DeNB according to this access link SPS resource distribution indication information configuration access link SPS resource according to the repeated link subframe configuration information.
In the method that the embodiment of the invention provides; DeNB can carry out the configuration of repeated link subframe according to the SPS tenability of RN sub-district; Optimized the repeated link subframe; And can resource distribution limit to SPS according to the repeated link subframe of distributing rationally, thus the SPS resource distribution indication information configuration access link SPS resource that RN can send according to DeNB made, avoided conflicting between access link SPS and the repeated link subframe.
As shown in Figure 5, the embodiment of the invention also provides SPS resource allocation method in the another kind of relay system, comprising:
Step 501:DeNB disposes the repeated link subframe, and the repeated link subframe configuration information is sent to RN.
When relaying link subframe and access link SPS do not clash, can be not during DeNB configuration repeated link subframe with the SPS tenability of RN sub-district factor as configuration.
Step 502:RN receives the repeated link subframe configuration information that DeNB sends.
Step 503:RN carries out access link SPS resource distribution according to the repeated link subframe configuration information.
Step 504:RN reports DeNB with this sub-district access link SPS resource allocation information.
When access link SPS and repeated link subframe clash, in the time of perhaps possibly sending conflict, RN can send to DeNB with the access link SPS resource allocation information of this sub-district.
The access link SPS resource allocation information of the RN sub-district that step 505:DeNB reports according to RN upgrades the repeated link sub-frame configuration.
Perhaps, DeNB can directly carry out access link SPS resource distribution according to the repeated link sub-frame configuration after upgrading after upgrading the repeated link sub-frame configuration.
Repeated link subframe configuration information after step 506:DeNB will upgrade sends to RN.
Perhaps; If DeNB is after upgrading the repeated link sub-frame configuration; Can directly carry out access link SPS resource distribution according to the repeated link sub-frame configuration after upgrading, then, DeNB can send to RN with access link SPS resource distribution indication information; Simultaneously, can also the repeated link subframe configuration information after upgrading be sent to RN.
Step 506:RN upgrades configuration according to the repeated link subframe configuration information after the renewal that receives to access link SPS resource.
If RN receives DeNB and sends the access link SPS resource distribution indication information after upgrading; RN can also obtain the repeated link subframe that communicates with DeNB according to the repeated link sub-frame configuration according to this access link SPS resource distribution indication information configuration access link SPS resource.
For example; With the frame structure shown in the table 1 is example; DeNB is not with the SPS tenability of RN during as Consideration; The downlink relay link subframe can be selected any subset or the combination of a plurality of subset among subset0～subset7, can configurating downlink repeated link subframe be subset0 and subset1 for example.During RN configuration access link SPS; Can access link SPS initial position be configured on other access link subframe except that the repeated link subframe, the initial subframe of for example descending access link SPS can be configured in the descending sub frame except that subset0 and the shared repeated link subframe of subset1.Conflict has taken place if the initial sub-frame configuration of access link SPS is access link SPS transmission and the repeated link transmission of #1 and #3; And collision probability or conflict number of times; Surpass higher limit α, then to report the access link SPS resource distribution parameter that clashes be #1 and #3 to DeNB for the initial subframe of access link SPS of conflict to RN.Collision probability can be disposed by DeNB with the conflict number of times upper limit.DeNB is #1 and #3 subframe according to the initial subframe of access link SPS that clashes that RN reports; DeNB knows that the repeated link subframe subset1 that is disposed has taken place to conflict with access link SPS transmission; Then DeNB renewal repeated link sub-frame configuration is the combination of subset0 and subset2, and the repeated link subframe after will upgrading is handed down to RN.During repeated link sub-frame configuration after RN receives renewal; RN readjusts access link SPS resource distribution parameter according to the repeated link subframe after upgrading; For example; The access link initial position that former access link SPS initial position is configured on the subset2 is configured to other non-repeated link subframes, on #1 and #3 subframe.
In the method that the embodiment of the invention provides; When access link SPS and repeated link subframe take place, or will clash the time; RN reports DeNB with the SPS tenability of RN sub-district; Thereby can optimize the configuration of repeated link subframe so that the repeated link sub-frame configuration is upgraded, and can carry out access link SPS resource distribution according to the repeated link sub-frame configuration through RN according to the SPS tenability of RN sub-district; Or DeNB resource distribution limits to SPS according to the repeated link sub-frame configuration of optimizing, thereby can avoid the conflict of access link SPS and repeated link subframe.
As shown in Figure 6, the embodiment of the invention provides a kind of communication system, and this communication system has comprised a kind of base station 70 that a kind of via node RN60 that the embodiment of the invention provides and the embodiment of the invention provide.Access link SPS resource allocation method in the relay system that above-mentioned Fig. 2, Fig. 4 or Fig. 6 provide can be realized in said RN60 and base station 70.
As shown in Figure 7, the RN60 that the embodiment of the invention provides can comprise: first acquiring unit 610 is used to obtain the repeated link subframe configuration information of the repeated link between the base station 70 that this RN60 and this RN60 adhere to; First dispensing unit 620 is used for carrying out access link semi-persistent scheduling SPS resource distribution according to said repeated link subframe configuration information.
Said RN60 can also comprise first transmitting element 630, is used for sending the SPS tenability of the RN sub-district of this RN60 to said base station 70, or is used for sending RN current area access link SPS resource allocation information to said base station 70.Said first acquiring unit 610 can be further used for receiving the said repeated link subframe configuration information that send said base station 70; Said repeated link subframe configuration information is obtained by the SPS tenability of said base station 70 according to said RN sub-district; Perhaps, said repeated link subframe configuration information upgrades the configuration acquisition by said base station 70 according to RN current area access link SPS resource allocation information and current repeated link sub-frame configuration that said first transmitting element 630 sends.
Said first acquiring unit 610 can also receive the access link SPS resource distribution indication information that send said base station 70; After receiving access link SPS resource distribution indication information, can obtain access link SPS resource according to the configuration of this access link SPS resource distribution indication information.
Send the SPS tenability of RN sub-district to base station 70 when first transmitting element 630; Base station 70 can obtain the repeated link sub-frame configuration according to the SPS tenability of RN sub-district, and first acquiring unit 610 of RN60 can obtain the repeated link subframe configuration information that base station 70 obtains and sends.Perhaps; RN60 confirms that current area access link SPS takes place, maybe will send and conflict with current repeated link sub-frame configuration; Then first transmitting element 630 sends RN current area access link SPS resource allocation information to base station 70; Base station 70 is after obtaining RN current area access link SPS resource allocation information; Can upgrade configuration to the repeated link sub-frame configuration according to RN current area access link SPS resource distribution, the repeated link subframe configuration information that will upgrade the configuration acquisition then sends to RN60.
As shown in Figure 8, the base station 70 that the embodiment of the invention provides can comprise: second acquisition unit 710 is used to obtain the repeated link subframe configuration information of the repeated link between RN60 and this base station 70; Second dispensing unit 720 is used for carrying out access link semi-persistent scheduling SPS resource distribution according to said repeated link subframe configuration information.
Said base station 70 also comprises receiving element 730, is used to receive the SPS tenability of the RN sub-district that said RN60 sends, perhaps RN60 current area access link SPS resource allocation information; Said second acquisition unit 720 is further used for carrying out the repeated link sub-frame configuration according to the SPS tenability of said RN sub-district; Obtain the repeated link subframe configuration information, or upgrade the said repeated link subframe configuration information of configuration acquisition according to said RN current area access link SPS resource allocation information and current repeated link subframe configuration information.
Said base station 70 can also comprise second transmitting element 740, and second dispensing unit 720 shown in being used to send carries out the SPS resource distribution indication information that the SPS resource distribution obtains.Second transmitting element 740 can also send the repeated link subframe configuration information after the renewal.
In embodiments of the present invention; First transmitting element 630 can send RRC message to base station 70; The SPS tenability that comprises the RN sub-district in this RRC message; Perhaps have X2 interface or S1 interface between RN60 and this base station 70, RN60 can adopt X2AP message or S1AP message to report the SPS tenability of RN sub-district to base station 70, described in the visible as preceding method embodiment.
Access link SPS resource distribution is carried out according to the repeated link subframe configuration information in via node and base station in the communication system that provides according to the embodiment of the invention, can effectively avoid conflicting of access link SPS and repeated link subframe.Further; The base station can be carried out the configuration of repeated link subframe according to the SPS tenability of RN sub-district; Optimized the repeated link subframe; And can resource distribution limits to SPS according to the repeated link subframe of distributing rationally, thereby make the SPS resource distribution indication information configuration access link SPS resource that via node can send according to the base station.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each execution mode of the present invention.
Though through with reference to some preferred implementation of the present invention, the present invention is illustrated and describes, those of ordinary skill in the art should be understood that and can do various changes to it in form with on the details, and do not depart from scope of the present invention.
Claims (12)
1. access link semi-persistent scheduling SPS resource allocation method in the relay system is characterized in that, comprising:
Obtain the repeated link subframe configuration information of the repeated link between the base station DeNB that via node RN and this RN adhere to;
Carry out access link SPS resource distribution according to said repeated link subframe configuration information.
2. method according to claim 1 is characterized in that, said repeated link subframe configuration information is the SPS tenability acquisition according to the RN sub-district of said RN.
3. method according to claim 1 and 2 is characterized in that, the repeated link subframe configuration information between the said RN of obtaining and this DeNB comprises:
Said RN receives the said repeated link subframe configuration information that this DeNB sends, and said repeated link subframe configuration information is obtained according to the SPS tenability configuration of the said RN sub-district of RN transmission by said DeNB;
Saidly carry out access link SPS resource distribution according to said repeated link subframe configuration information and comprise:
Said RN carries out access link SPS resource distribution according to said repeated link subframe configuration information.
4. method according to claim 1 and 2 is characterized in that, the repeated link subframe configuration information between the said RN of obtaining and this DeNB comprises:
Said DeNB obtains said repeated link subframe configuration information according to the SPS tenability configuration of the said RN that RN reports;
Saidly carry out access link SPS resource distribution according to said repeated link subframe configuration information and comprise:
Said DeNB carries out access link SPS resource distribution according to said repeated link subframe configuration information.
5. method according to claim 4 is characterized in that, said method also comprises:
Said DeNB sends to said RN with said repeated link subframe configuration information and access link SPS resource distribution indication information.
6. method according to claim 1 is characterized in that, the said repeated link subframe configuration information that obtains comprises:
RN receives the said repeated link subframe configuration information that this DeNB sends, and said repeated link subframe configuration information upgrades the configuration acquisition by said DeNB according to RN current area access link SPS resource allocation information and current repeated link sub-frame configuration that said RN reports;
Saidly carry out access link SPS resource distribution according to said repeated link subframe configuration information and comprise:
Said RN carries out said access link SPS resource distribution according to the repeated link subframe configuration information of said renewal.
7. a via node is characterized in that, comprising:
First acquiring unit is used to obtain the repeated link subframe configuration information of the repeated link between the base station DeNB that this via node RN and this RN adhere to;
First dispensing unit is used for carrying out access link semi-persistent scheduling SPS resource distribution according to said repeated link subframe configuration information.
8. via node according to claim 7; It is characterized in that; Said via node also comprises: first transmitting element is used for sending to said DeNB the SPS tenability of the RN sub-district of this RN, or is used for sending RN current area access link SPS resource allocation information to said DeNB;
Said first acquiring unit is further used for receiving the said repeated link subframe configuration information that said DeNB sends; Said repeated link subframe configuration information is obtained according to the SPS tenability of said RN sub-district by said DeNB; Perhaps, said repeated link subframe configuration information upgrades the configuration acquisition by said DeNB according to RN current area access link SPS resource allocation information and current repeated link sub-frame configuration that said transmitting element sends.
9. a base station is characterized in that, comprising:
Second acquisition unit is used to obtain the repeated link subframe configuration information of the repeated link between the said base station that via node RN and this RN adhere to;
Second dispensing unit is used for carrying out access link semi-persistent scheduling SPS resource distribution according to said repeated link subframe configuration information.
10. base station according to claim 9 is characterized in that said base station also comprises receiving element, is used to receive the SPS tenability of the RN sub-district that said RN sends, perhaps RN current area access link SPS resource allocation information;
Said second acquisition unit is further used for obtaining said repeated link subframe configuration information according to the SPS tenability of said RN sub-district, or upgrades the said repeated link subframe configuration information of configuration acquisition according to said RN current area access link SPS resource allocation information and current repeated link sub-frame configuration.
11. base station according to claim 9; It is characterized in that; Said base station also comprises second transmitting element, is used to send repeated link subframe configuration information and said second dispensing unit that said second acquisition unit obtains and carries out the SPS resource distribution indication information that the SPS resource distribution obtains.
12. a communication system is characterized in that, comprises like claim 7 or 8 described via nodes and the arbitrary described base station of power 9-11.
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