CN102474334B - Resource regulating method and via node - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
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- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
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Abstract
The invention discloses a kind of resource regulating method and corresponding via node, the method comprising the steps of: receives the subframe containing descending back haul link information from base station eNB；Resource scheduling information is extracted from subframe；According to the resource scheduling information extracted, carry out scheduling of resource for the access link between RN and its user equipment (UE) serviced.According to the present invention, a kind of scheduling of resource indicating mechanism is provided between eNB and RN, RN is enable to know, according to this information, the access link transmission which resource can be used between self and UE, it is thus possible to rational management resource, avoid or minimize the interference between resource, improve RN performance gain, make full use of frequency spectrum resource simultaneously.
Description
Technical field
Embodiments of the invention relate to communication technical field, the scheduling of resource especially related in 3GPPLTE-Advanced system in type I relay return link design (TypeIRelaybackhaullinkdesign) processes, a kind of resource regulating method and corresponding via node is proposed according to the present invention, wherein provide resource scheduling information to via node (RelayNode), coordinate the scheduling of resource between base station eNB (enhancedNodeB) and RN, it is to avoid interference that may be present between resource.
Background technology
3GPP proposes type I relay return link design in its RAN1#57, #57bis and #58 meeting, and particular content may refer to meeting paper (R1-092960, " TypeIbackhaullink ", Ericsson, NEC, Samsung, Motorola, Panasonic, RIM, LGE, Nokia, NokiaSiemens, Qualcomm, Huawei, Alcatel-Lucent, CATT, TexasInstruments, RAN1#57bis, 2009 year June；And R1-093722, " TextproposaltocorrectrelayingtextinTR36.912 ", Ericsson, Panasonic, NEC, TexasInstrument, RAN1#58, in August, 2009).In this design, propose a kind of new physical control information R-PDCCH (R-Physical Downlink Control Channel), for for descending backhaul data (R-PDSCH, R-Physical Downlink Shared Channel) and up backhaul data (R-PUSCH, R-physical uplink link shared channels), in the subframe of semi-static distribution dynamically or " semipermanent/statically " distribute half downlink and uplink resource.R-PDCCH is transmitted by the subset of OFDM symbol in the subframe containing descending back haul link information, this subset can also include back haul link can the whole set of OFDM symbol.
In 3GPPRAN1#58 meeting, discuss multiple for maximize type I relaying performance gain technical scheme (referring to R1-093114, " TechniquestoMaximizeTypeIRelayGains ", QualcommEurope, RAN1#58, in August, 2009).Research according to these technical schemes and present inventor, would be likely to occur interference between direct link (eNB-UE) resource and access link (RN-UE) resource distributing to the RN UE serviced of distributing to the eNB subscriber equipment (UE) serviced.Owing to the through-put power of direct link (eNB-UE) is generally relatively larger compared to access link (RN-UE), therefore, if the resource of direct link (eNB-UE) and the resource of access link (RN-UE) occur overlapping or part is overlapping, access link (RN-UE) is just had negative interference by direct link (eNB-UE), and this interference is one of main unfavorable factor for the performance of type I relay system.In order to realize the high performance gains of type I relay system, some effective disturbance coordination methods must be applied in type I relay system, it is to avoid or alleviate the interference between direct link (eNB-UE) resource and access link (RN-UE) resource.
But, in the current type I relay system design proposed, not yet consider above-mentioned resource interference problem.ENB and RN carries out scheduling of resource independently of one another, i.e. eNB is when Resources allocation is for the direct link between this eNB and its UE serviced, and is unaware of or considers which resource RN needs for RN-UE access link；Meanwhile, RN is when Resources allocation is for the access link between this RN and its UE serviced, and is unaware of or considers that eNB needs or employs which resource for eNB-UE direct link.Therefore, when occurring overlapping or interference between these resources, eNB and RN also cannot know or solve.
Need a kind of scheduling of resource/distribution indicating mechanism, information about scheduling of resource is provided between eNB and RN, make one of the both sides or both sides can under the premise of scheduling of resource situation considering the other side, carry out the scheduling of resource of self, thus avoiding or alleviate the appearance of resource interference, improve via node performance gain.
Summary of the invention
Embodiments of the invention purpose is to propose a kind of resource regulating method and corresponding via node.
According to an aspect of the invention, it is proposed that the resource regulating method in a kind of via node RN, including: receive the subframe containing descending back haul link information from base station eNB；Resource scheduling information is extracted from subframe；According to the resource scheduling information extracted, carry out scheduling of resource for the access link between RN and its user equipment (UE) serviced.
Preferably, resource scheduling information is that eNB is arranged according to self current scheduling of resource situation and/or intended scheduling of resource situation.
Preferably, resource scheduling information instruction RN can be used in the Resource Block of access link.
Preferably, RN can be used in the Resource Block of access link and can include one of following:
Except the Resource Block except the eNB Resource Block used；
Except eNB use Resource Block except Resource Block and eNB use Resource Block in part or all of.
Preferably, scheduling of resource step includes: selects the RN of instruction in resource scheduling information to can be used in the Resource Block of access link, and gives the access link between UE by the resource block assignments of selection.
Preferably, using the special R-Physical Downlink Control Channel R-PDCCH in subframe to carry out bearing resource schedule information, this special R-PDCCH is the channel for RN scheduling of resource arranged for descending back haul link.Now, the step extracting resource scheduling information includes: detect special R-PDCCH, to extract resource scheduling information.
Preferably, the reserved resource controlled in information area on the carrier frequency carrying R-PDCCH in subframe is used to carry out bearing resource schedule information.Now, the step extracting resource scheduling information includes: when detecting R-PDCCH, from controlling to extract in the reserved resource in precalculated position information area resource scheduling information.
Preferably, the reserved resource used on the carrier frequency carrying R-PDSCH in subframe in data information area carrys out bearing resource schedule information.Now, the step extracting resource scheduling information includes: when detecting R-PDSCH, extracts resource scheduling information from data information area in the reserved resource in precalculated position.
According to a further aspect of the invention, it is proposed that a kind of via node RN, including: receiver, for receiving the subframe containing descending back haul link information from base station eNB；Extraction element, for extracting resource scheduling information from subframe；Resource scheduling device, for according to the resource scheduling information extracted, carrying out scheduling of resource for the access link between RN and its user equipment (UE) serviced.
Preferably, resource scheduling device selects the RN of instruction in resource scheduling information to can be used in the Resource Block of access link, and gives the access link between UE by the resource block assignments of selection.
Preferably, using the special R-Physical Downlink Control Channel R-PDCCH in subframe to carry out bearing resource schedule information, this special R-PDCCH is the channel for RN scheduling of resource arranged for descending back haul link.Now, extraction element detects special R-PDCCH, to extract resource scheduling information.
Preferably, the reserved resource controlled in information area on the carrier frequency carrying R-PDCCH in subframe is used to carry out bearing resource schedule information.Now, when detecting R-PDCCH, extraction element extracts resource scheduling information from the reserved resource controlled information area.
Preferably, the reserved resource used on the carrier frequency carrying R-PDSCH in subframe in data information area carrys out bearing resource schedule information.Now, when detecting R-PDSCH, the extraction element reserved resource from data information area is extracted resource scheduling information.
Preferably, via node RN is 3GPPRAN1 type I relaying.
Resource regulating method according to embodiments of the present invention and corresponding via node, special channel or reserved resource can be passed through from eNB and provide the information about scheduling of resource to each RN, each RN can know, according to this information, the access link transmission which resource can be used between self and UE, and scheduling is used for the resource of access link accordingly.So, providing a kind of scheduling of resource indicating mechanism between eNB and RN, the scheduling of resource making both sides is no longer independently of each other, it is thus possible to rational management is overlapping and the resource of no overlap, avoid or minimize the interference between resource, improve RN performance gain, make full use of frequency spectrum resource simultaneously.
Accompanying drawing explanation
By the preferred embodiments of the present invention being described below in conjunction with accompanying drawing, the above-mentioned of the present invention and other objects, features and advantages will be made clearly, wherein:
Fig. 1 illustrates the adaptable signal scene of the embodiment of the present invention；
Fig. 2 illustrates the structural representation of the 3GPP type I relay return link design based on hybrid time multiplex and frequency division multiplexing；
Fig. 3 illustrates the structural representation of via node RN according to embodiments of the present invention；
Fig. 4 illustrates 3GPP type I relay return link design according to the preferred embodiment of the invention, and wherein special R-PDCCH is used for bearing resource schedule information；
Fig. 5 illustrates and utilizes special R-PDCCH carry out scheduling of resource instruction and carry out the flow chart of method of scheduling of resource accordingly according to the preferred embodiment of the invention；
Fig. 6 illustrates 3GPP type I relay return link design according to the preferred embodiment of the invention, wherein utilizes the reserved resource bearing resource scheduling information in R-PDCCH；
Fig. 7 illustrates the flow chart utilizing method that the reserved resource in R-PDCCH carries out scheduling of resource according to the preferred embodiment of the invention；
Fig. 8 illustrates 3GPP type I relay return link design according to the preferred embodiment of the invention, wherein utilizes the reserved resource bearing resource scheduling information in R-PDSCH；
Fig. 9 illustrates the flow chart utilizing method that the reserved resource in R-PDSCH carries out scheduling of resource according to the preferred embodiment of the invention.
Detailed description of the invention
In order to know that the detailed elaboration present invention's realizes step, shown below is some specific embodiments of the invention, it is adaptable to support the wireless communication system of 3GPP type I relay return link.It should be noted that embodiments of the invention are not limited to these application, and can be applied to other relevant wireless communication system more.
With reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail, eliminating in the course of the description is unnecessary details and function for the present invention, obscures to prevent the understanding of the present invention from causing.
Before carrying out embodiment of the present invention description, first the adaptable scene of the embodiment of the present invention is briefly described.Referring to Fig. 1, it is shown that the adaptable signal scene of the embodiment of the present invention, including the via node RN300 under base station eNB 100, base station eNB and the user equipment (UE) 1002,3002,3004 etc. that services.As indicated by a dashed arrow in the figure, at the eNB100 user equipment (UE) serviced with it, for instance UE1002, there is direct link (eNB-UE) between 3002, at the RN UE serviced with it, such as UE3002,3004, between there is access link (RN-UE).It is appreciated that there is direct link between eNB100 and UE3004.ENB100 and RN300 is communicated by wireless link.Although Fig. 1 illustrate only a RN and three UE, it will be appreciated that the number of RN and UE is arbitrary, the invention is not limited in the scene shown in Fig. 1.The present invention is directed to resource interference problem that may be present between direct link and access link, between eNB and RN, provide a kind of scheduling of resource indicating mechanism, and RN is correspondingly improved.Below for RN300, the scheduling of resource indicating mechanism related in the present invention is briefly described.
As in figure 2 it is shown, in the 3GPP type I relay return link design having pointed out, R-PDCCH is transmitted by the subset of OFDM symbol in the subframe containing descending back haul link information.For backward compatibility, in the subframe containing descending back haul link information, except R-PDCCH and the R-PDSCH for relaying and Rel-10UE is provided, additionally provide PDCCH and the PDSCH for Rel-8UE.Via node RN is after receiving this subframe, detect R-PDCCH therein, for instance conventional detection technique can be passed through, it is thus achieved that the R-PDCCH that descending back haul link is relevant, and from this R-PDCCH, obtain the resource block assignments information of R-PDSCH in associated carrier frequencies, thus obtaining R-PDSCH.In the current design proposed, the scheduling of resource of eNB and RN carries out independently of one another, without the problem considering to would be likely to occur interference between direct link (eNB-UE) resource and access link (RN-UE) resource distributing to the RN UE serviced of distributing to the eNB subscriber equipment (UE) serviced.Owing to the through-put power of direct link (eNB-UE) is generally relatively larger compared to access link (RN-UE), therefore, if the resource of direct link (eNB-UE) and the resource of access link (RN-UE) occur overlapping or part is overlapping, access link (RN-UE) is just had negative interference by direct link (eNB-UE).This is very unfavorable for the performance gain of RN.Embodiments of the invention propose a kind of resource regulating method and corresponding via node, wherein can pass through special channel or reserved resource from eNB and provide the information about scheduling of resource to each RN, each RN can know, according to this information, the access link transmission which resource can be used between self and UE, and scheduling is used for the resource of access link accordingly.So, providing a kind of scheduling of resource indicating mechanism between eNB and RN, the scheduling of resource making both sides is no longer independently of each other such that it is able to rational management resource, it is to avoid the interference between resource.Fig. 3 illustrates the structural representation of via node RN according to embodiments of the present invention.Show technical scheme briefly in order to clear, block diagram illustrate only the critical component of via node in the present invention, and eliminate the parts of other routines.In the following description, also omit the description to conventional components, with the impact avoiding any unnecessary content to bring.
According to embodiments of the present invention, via node 300 can be 3GPPRAN1 type I relaying, including: receiver 302, for receiving the subframe containing descending back haul link information from base station eNB；Extraction element 304, for extracting resource scheduling information from subframe；Resource scheduling device 306, for according to the resource scheduling information extracted, carrying out scheduling of resource for the access link between RN and its user equipment (UE) serviced.Referring now to Fig. 3-9, each embodiment of the present invention is specifically described.
As shown in Figure 4, it is shown that 3GPP type I relay return link design according to the preferred embodiment of the invention, which provide special R-PDCCH and carry out bearing resource schedule information.According to this embodiment, a special R-PDCCH is set in subframe, for bearing resource schedule information.This setting can carry out in advance in base station eNB, and this special R-PDCCH can be arranged in subframe and carry on the carrier wave of control information, thus this special R-PDCCH can also belong to the control information area in subframe.
After the via node RN300 subframe received from eNB by receiver 302 containing descending back haul link information, detection subframe carries the physical format instruction channel R-PCFICH on the carrier frequency of R-PDCCH, obtain the number controlling information symbol on this carrier frequency in this subframe, and in the control information area on this carrier frequency of this subframe obtained, such as by using the conventional sense technology such as radio network temporary identifier RNTI, detect R-PDCCH.If be detected that correct relevant with descending distribution and carrier frequency instructions field is not empty R-PDCCH, then subscriber equipment obtains the resource block assignments information etc. of R-PDSCH from this R-PDCCH, such that it is able to obtain the R-PDSCH for this RN further.According to embodiments of the invention, RN before or after detection R-PDCCH, can detect special R-PDCCH by extraction element 304, or detect R-PDCCH in the lump when detecting R-PDCCH.Here, special R-PDCCH can adopt the code modulation mode identical with R-PDCCH, and the detection of special R-PDCCH can be adopted the method identical with the method detecting R-PDCCH, for instance by using the conventional sense technology etc. of radio network temporary identifier RNTI.Thus, RN300, by the detection to special R-PDCCH, extracts resource scheduling information.
Resource scheduling information can be that eNB is arranged according to self current scheduling of resource situation and/or intended scheduling of resource situation, for indicating it to can be used in the Resource Block RB of access link to each RN.Each RN can be used in the Resource Block of access link can include the Resource Block except the eNB Resource Block used.Refer again to Fig. 1, wherein eNB100 to each RN300 instruction used and/or expect use Resource Block, each RN300 is thus knowing which Resource Block has been used.Alternative, RN can Resource Block RB can also include in the eNB Resource Block used part or all of.Noting, in embodiments of the present invention, the resource for eNB-UE direct link and the resource for RN-UE access link are not necessarily completely not overlapping.In some cases, RN eNB can also be used to have used or expect use Resource Block RB, i.e. the mode of frequency reuse can be adopted.Such as, as it is shown in figure 1, the direct link situation for being positioned near eNB100 between distance RN300 UE1002, eNB100 and this UE1002 farther out is fine, can be less for the through-put power of direct link between eNB100 and this UE1002.So, eNB100 can also be adopted by RN300 for this UE1002 Resource Block RB used carry out RN300 and other UE3002, access link between 3004 transmits.Because the through-put power of direct link is little compared with the through-put power of these access link, so it is inconspicuous to the interference of access link or will not have a strong impact on the performance gain of RN300.In this case, eNB100 can notify RN300 by resource scheduling information: although these Resource Block RB has used and maybe will use, but RN300 still may be used for the access link with other UE and transmits.
Resource scheduling device 306 in RN300 is according to the resource scheduling information extracted, know which Resource Block RB can be used for access link, carry out scheduling of resource accordingly, available resource block RB is distributed to the access link between self and the UE serviced, such that it is able to avoid or reduce used resource being subject to the interference of eNB-UE direct link resource, also make full use of frequency spectrum resource simultaneously.
The special R-PDCCH that utilizes according to the present embodiment carries out scheduling of resource instruction and carries out the particular flow sheet of scheduling of resource accordingly as shown in Figure 5.Figure illustrate only the step reflecting main thought of the present invention in the present embodiment in via node RN, and eliminate the detecting step etc. of other routines, it is to avoid the understanding of the present invention causes to be obscured.
Step 501:RN300 receives the subframe containing descending back haul link information by receiver 302 from base station eNB；
Step 503:RN300 obtains the control information area in subframe, and therefrom detects special R-PDCCH by extraction element 304, extracts resource scheduling information；
Step 505: resource scheduling device 306, according to the resource scheduling information extracted, carries out scheduling of resource for the access link between RN and its user equipment (UE) serviced.
Alternately, the bearing mode of resource scheduling information can have other to select.As shown in Figure 6, resource scheduling information is carried in subframe and carries in the reserved resource controlling in information area on the carrier frequency of R-PDCCH.ENB can carry reserved a part of resource in the control information area on the carrier frequency of R-PDCCH in subframe, and arranges resource scheduling information wherein.The position of these resources can be predetermined or eNB and RN arranges in advance.
Control reserved resource in information area and carry out scheduling of resource instruction according to utilizing of the present embodiment and carry out the particular flow sheet of scheduling of resource accordingly as shown in Figure 7.Figure illustrate only the step reflecting main thought of the present invention in the present embodiment in via node RN, it is to avoid the understanding of the present invention causes to be obscured.
Step 701:RN300 receives the subframe containing descending back haul link information by receiver 302 from base station eNB；
Step 703:RN300 obtains the control information area in subframe, and when detecting R-PDCCH, obtains in reserved resource by extraction element 304 from controlling predetermined position information area, therefrom extract resource scheduling information, then continue to step 505；
Step 705: resource scheduling device 306, according to the resource scheduling information extracted, carries out scheduling of resource for the access link between RN and its user equipment (UE) serviced.
It addition, as shown in Figure 8, in the reserved resource that resource scheduling information can also be carried in subframe on the carrier frequency carrying R-PDSCH in data information area.ENB can carry reserved a part of resource in the data information area on the carrier frequency of R-PDSCH in subframe, and arranges resource scheduling information wherein.Equally, the position of these resources can be predetermined or eNB and RN arranges in advance.
In the present embodiment, via node RN300 is after receiving subframe by receiver 302, detect R-PDCCH therein, from this R-PDCCH, obtain the resource block assignments information of R-PDSCH in associated carrier frequencies, thus the data information area obtained on the carrier frequency of carrying R-PDSCH.When obtaining R-PDSCH, RN can obtain reserved resource by extraction element 304 from pre-position, and therefrom extracts resource scheduling information.
The reserved resource that utilizes in data information area according to the present embodiment carries out scheduling of resource instruction and carries out the particular flow sheet of scheduling of resource accordingly as shown in Figure 9.Figure illustrate only the step reflecting main thought of the present invention in the present embodiment in via node RN, it is to avoid the understanding of the present invention causes to be obscured.
Step 901:RN300 receives the subframe containing descending back haul link information by receiver 302 from base station eNB；
Step 903:RN300 obtains the data information area in subframe, when detecting R-PDSCH, obtains reserved resource by extraction element 304 from controlling predetermined position information area, and therefrom extracts resource scheduling information；
Step 905: resource scheduling device 306, according to the resource scheduling information extracted, carries out scheduling of resource for the access link between RN and its user equipment (UE) serviced.
In the embodiment above, the setting of special R-PDCCH, the setting reserving resource and other necessity arrange and can carry out in base station eNB side.Although not illustrating the operation of base station, but to those skilled in the art, on the fully disclosed basis of the present invention, any required implementation arranged is all easily imagine.
In the above description, for each step, list multiple embodiment, although inventor indicates example associated with each other as much as possible, but this does not imply that these examples are inevitable and there is corresponding relation according to corresponding label.As long as being absent from contradiction between the condition that selected example is given, it is possible in different steps, the example selecting label not corresponding constitutes corresponding technical scheme, such technical scheme also should be regarded as involved within the scope of the invention.
Those skilled in the art it should be readily recognized that, it is possible to realized the different step of said method by programmed computer.At this, some embodiments include equally machine readable or computer-readable program storage device (as, digital data storage medium) and encoding machine can perform or the executable programmed instruction of computer, wherein, this instruction performs some or all steps of said method.Such as, program storage device can be digital memory, magnetic storage medium (such as Disk and tape), hardware or the readable digital data storage medium of light.Embodiment includes the programmed computer performing the described step of said method equally.
It should be noted that, in the above description, only in an illustrative manner, it is shown that technical scheme, but be not intended that the invention be limited to above-mentioned steps and cellular construction.In a likely scenario, it is possible to as required step and cellular construction be adjusted and accept or reject.Therefore, element necessary to the overall invention thought of some step and the unit not enforcement present invention.Therefore, technical characteristic essential to the invention is limited solely by the minimum requirements of the overall invention thought being capable of the present invention, and not by the restriction of above instantiation.
So far already in connection with preferred embodiment, invention has been described.It should be understood that those skilled in the art are without departing from the spirit and scope of the present invention, it is possible to carry out other change, replacement and interpolation various.Therefore, the scope of the present invention is not limited to above-mentioned specific embodiment, and should be defined by the appended claims.
Claims (20)
1. the resource regulating method in via node RN, including step:
The subframe containing descending back haul link information is received from base station eNB；
Special channel from described subframe or extract resource scheduling information in reserved resource；And
According to the resource scheduling information extracted, carry out scheduling of resource for the access link between RN and its user equipment (UE) serviced；
Wherein for being positioned at apart from described RN UE farther out near described eNB, described eNB notifies described RN by described resource scheduling information: described eNB still can be transmitted for the access link with other UE by described RN for the described UE Resource Block used.
2. method according to claim 1, wherein resource scheduling information is that eNB is arranged according to self current scheduling of resource situation and/or intended scheduling of resource situation.
3. method according to claim 1 and 2, wherein resource scheduling information instruction RN can be used in the Resource Block of access link.
4. method according to claim 3, wherein RN can be used in the Resource Block of access link and can include one of following:
Except the Resource Block except the eNB Resource Block used；
Except eNB use Resource Block except Resource Block and eNB use Resource Block in part or all of.
5. method according to claim 3, wherein scheduling of resource step includes: selects the RN of instruction in resource scheduling information to can be used in the Resource Block of access link, and gives the access link between UE by the resource block assignments of selection.
6. method according to claim 1, wherein uses the special R-Physical Downlink Control Channel R-PDCCH in subframe to carry out bearing resource schedule information, and this special R-PDCCH is the channel for RN scheduling of resource arranged for descending back haul link.
7. method according to claim 6, the step wherein extracting resource scheduling information includes: detect special R-PDCCH, to extract resource scheduling information.
8. method according to claim 1, wherein uses the reserved resource controlled in information area on the carrier frequency carrying R-PDCCH in subframe to carry out bearing resource schedule information.
9. method according to claim 8, the step wherein extracting resource scheduling information includes: when detecting R-PDCCH, from controlling to extract in the reserved resource in precalculated position information area resource scheduling information.
10. method according to claim 1, the reserved resource wherein used on the carrier frequency carrying R-PDSCH in subframe in data information area carrys out bearing resource schedule information.
11. method according to claim 10, the step wherein extracting resource scheduling information includes: when detecting R-PDSCH, extracts resource scheduling information from data information area in the reserved resource in precalculated position.
12. a via node RN, including:
Receiver, for receiving the subframe containing descending back haul link information from base station eNB；
Extraction element, is used for the special channel from described subframe or extracts resource scheduling information in reserved resource；And
Resource scheduling device, for according to the resource scheduling information extracted, carrying out scheduling of resource for the access link between RN and its user equipment (UE) serviced；
Wherein for being positioned at apart from described RN UE farther out near described eNB, described eNB notifies described RN by described resource scheduling information: described eNB still can be transmitted for the access link with other UE by described RN for the described UE Resource Block used.
13. via node according to claim 12, wherein resource scheduling device selects the RN of instruction in resource scheduling information to can be used in the Resource Block of access link, and gives the access link between UE by the resource block assignments of selection.
14. via node according to claim 12, wherein using the special R-Physical Downlink Control Channel R-PDCCH in subframe to carry out bearing resource schedule information, this special R-PDCCH is the channel for RN scheduling of resource arranged for descending back haul link.
15. via node according to claim 14, wherein extraction element detects special R-PDCCH, to extract resource scheduling information.
16. via node according to claim 12, the reserved resource controlled in information area on the carrier frequency carrying R-PDCCH in subframe is wherein used to carry out bearing resource schedule information.
17. via node according to claim 16, wherein when detecting R-PDCCH, extraction element extracts resource scheduling information from the reserved resource controlled information area.
18. via node according to claim 12, the reserved resource wherein used on the carrier frequency carrying R-PDSCH in subframe in data information area carrys out bearing resource schedule information.
19. via node according to claim 12, wherein when detecting R-PDSCH, the extraction element reserved resource from data information area is extracted resource scheduling information.
20. via node according to claim 12, wherein via node RN is 3GPPRAN1 type I relaying.
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| PCT/CN2009/001106 WO2011038528A1 (en) | 2009-09-29 | 2009-09-29 | Resource scheduling method and relay node |
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| WO2014190527A1 (en) * | 2013-05-30 | 2014-12-04 | 华为技术有限公司 | Assisted communication method and device |
| BR112019012790B1 (en) | 2016-12-23 | 2024-01-16 | Guangdong Oppo Mobile Telecommunications Corp., Ltd | DATA TRANSMISSION METHOD, AND DATA TRANSMISSION DEVICE |
| WO2019191936A1 (en) * | 2018-04-04 | 2019-10-10 | Oppo广东移动通信有限公司 | Resource allocation method and device, and computer storage medium |
| CN110636612B (en) * | 2018-06-21 | 2021-03-23 | 维沃移动通信有限公司 | Resource allocation method, node and storage medium |
| CN109525993B (en) * | 2018-12-07 | 2020-10-23 | 北京邮电大学 | Method and apparatus for dynamically allocating resources in integrated access and backhaul wireless communication networks |
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| KR101485977B1 (en) * | 2007-11-21 | 2015-01-23 | 삼성전자주식회사 | Frame structure, method and apparatus for resource allocation in wireless communication system based full duplex relay |
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2009
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- 2009-09-29 CN CN200980159867.9A patent/CN102474334B/en active Active
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| CN1701534A (en) * | 2003-08-21 | 2005-11-23 | 三星电子株式会社 | Method of controlling reverse link in a mobile communication system |
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