CN102083226A - Method and apparatus for indicating and determining physical resource block resource information - Google Patents
Method and apparatus for indicating and determining physical resource block resource information Download PDFInfo
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Abstract
The invention discloses a method and apparatus for indicating and determining physical resource block resource information. During the indication for the physical resource block resource information, a base station indicates the corresponding physical resource block resource information of a relay-physical downlink control channel through high signaling to a relay node after determining physical resource block resources of the relay-physical downlink control channel which corresponds to the relay node of own service and is used for carrying downlink control information. During the determination for the physical resource block resource information, the relay node receives the high signaling sent by the base station, wherein the high signaling indicates the physical resource block resource information of the relay-physical downlink control channel for carrying the downlink control information; and the relay node then determines a physical resource block resource position of the relay-physical downlink control channel according to the physical resource block resource information of the relay-physical downlink control channel. The method and the apparatus can indicate physical resource blocks of the relay-physical downlink control channel flexibly.
Description
Technical field
The present invention relates to moving communicating field, the particularly a kind of Physical Resource Block resource information indication and the method for determining, equipment.
Background technology
(1), link is divided.
Fig. 1 is LTE-A (Long Term Evolution-Advance, long-term evolution upgrading) system schematic, as shown in Figure 1, the introducing of via node makes the Radio Link based on the mobile communication system of Relay (relaying) have three: eNB-macro UE (between evolution base station and the grand subscriber equipment) direct projection link (direct link), eNB-RN (between evolution base station and the via node) back haul link (backhaul link) and RN-relay UE (between via node and the trunk subscriber equipment) access link (access link), therefore consider the signal interference-limited of radio communication, three links need use the Radio Resource of quadrature.Because the transceiver of via node is TDD (Time Division Duplex, time division duplex) mode of operation, the backhaul link is to take different time slots in the tdd frame structure with the access link, but direct link and backhaul link are can be coexistent, as long as its running time-frequency resource quadrature.
(2), back haul link downlink transfer.
Fig. 2 is a back haul link downlink transfer schematic diagram, as shown in Figure 2, MBSFN (Multicast Broadcast Single Frequency Network, Multicast Broadcast Single Frequency Network) control area of subframe takies 1 or 2 OFDM (Orthogonal Frequency Division Multiplexing, OFDM) symbol, being used for RN (relay node, via node) transmits control signal to the UE (R-UE, trunk subscriber equipment) of its service.In the downlink transfer of back haul link, RN can't receive control area PDCCH (the Physical Downlink Control Channel of base station, Physical Downlink Control Channel), therefore, the base station need be at PDSCH (Physical Downlink Shared Channel, physical down link sharing channel) zone is created in the zone, is used for transmitting control signal to RN, claims that this zone is the R-PDCCH (zone of relaying-PDCCH).
(3), R-PDCCH resource
Fig. 3 is FDM (the Frequency Division Multiplexing of R-PDCCH resource, frequency division multiplexing) resource multiplex mode schematic diagram, Fig. 4 is TDM (the Time Division Multiplexing of R-PDCCH resource, time division multiplexing)+FDM resource multiplex mode schematic diagram, be used for the R-PDCCH resource of control channel and be used to transmit the R-PDSCH of data that (relaying-PDSCH) resource can be passed through FDM (frequency division multiplexing) mode, or the mode of TDM+FDM (time division multiplexing and frequency division multiplexing) is carried out resource multiplex, the difference of two kinds of multiplex modes is the OFDM number of symbols difference that the R-PDCCH resource takies in time domain, at frequency domain, dual mode all takies one or more Physical Resource Block, these Resource Block can be continuous, also can disperse, Fig. 3 and Fig. 4 have provided the resource multiplex schematic diagram under FDM and the TDM+FDM mode respectively.
Standard code at present, the time-domain resource of R-PDCCH is semi-static configuration, the base station is notified to via node by high-level signaling with R-PDCCH PRB (Physical Resource Block, Physical Resource Block) information, is used to make via node to detect Downlink Control Information in these resources.
The deficiencies in the prior art are: at back haul link, the base station is transmitted Downlink Control Information by the R-PDCCH channel to via node, via node need be known the Downlink Control Information of detection self correspondence in which PRB, therefore need the base station PRB that the Downlink Control Information of corresponding each via node takies to be notified to via node by high-level signaling, but, at present also not with the technical scheme of R-PDCCH PRB resource notification via node.
Summary of the invention
Technical problem solved by the invention is to provide the indication of a kind of PRB resource information and the method for determining, equipment, and in order to solving R-PDCCH PRB resource notification RN, and RN determines the PRB problem of resource according to indication.
A kind of PRB resource information indicating means is provided in the embodiment of the invention, has comprised the steps:
The R-PDCCH PRB resource that is used to carry DCI of the via node RN correspondence that self serves is determined in the base station;
Described base station is indicated corresponding described R-PDCCH PRB resource information by high-level signaling to described RN.
A kind of definite method of PRB resource is provided in the embodiment of the invention, has comprised the steps:
RN receives the high-level signaling that the base station sends, and described high-level signaling is indicated the corresponding R-PDCCH PRB of described RN resource information, and described R-PDCCH PRB resource is used to carry the Downlink Control Information DCI of described RN correspondence;
Described RN determines R-PDCCH PRB resource location according to described R-PDCCH PRB resource information.
A kind of base station is provided in the embodiment of the invention, has comprised:
Determination module is used for determining the R-PDCCH PRB resource that is used to carry DCI of the RN correspondence of self service;
Indicating module is used for indicating corresponding described R-PDCCH PRB resource information by high-level signaling to RN.
A kind of via node is provided in the embodiment of the invention, has comprised:
Receiver module is used to receive the high-level signaling that the base station sends, the corresponding R-PDCCH PRB of described high-level signaling indication RN resource information, and described R-PDCCH PRB resource is used for bearing downlink control information DCI;
Determination module is used for determining R-PDCCH PRB resource location according to the R-PDCCH PRB resource information that receives.
Beneficial effect of the present invention is as follows:
In embodiments of the present invention, when the PRB resource information is indicated, the base station the via node RN correspondence of determining self service be used to carry the R-PDCCH PRB resource of DCI after, the base station is indicated corresponding described R-PDCCH PRB resource information by high-level signaling to RN.
When definite PRB resource, RN receives the high-level signaling that the base station sends, and described high-level signaling has been indicated the corresponding R-PDCCH PRB of described RN resource information, and described R-PDCCH PRB resource is used to carry the Downlink Control Information DCI of described RN correspondence; RN determines R-PDCCH PRB resource location according to R-PDCCH PRB resource information then.
Pass through such scheme, for the prior art that does not have at present indication R-PDCCH PRB resource, the scheme that the embodiment of the invention provides the indication of PRB resource information and determined, solved R-PDCCH PRB resource notification RN, and RN detects the problem of DCI (Downlink Control Information, Downlink Control Information) according to the PRB resource of indication.The embodiment of the invention provide technical scheme obviously can indicate R-PDCCH PRB neatly.
Description of drawings
Fig. 1 is LTE-A system schematic in the background technology of the present invention;
Fig. 2 is back haul link downlink transfer schematic diagram in the background technology of the present invention;
Fig. 3 is the FDM resource multiplex mode schematic diagram of R-PDCCH resource in the background technology of the present invention;
Fig. 4 is the TDM+FDM resource multiplex mode schematic diagram of R-PDCCH resource in the background technology of the present invention;
Fig. 5 is a PRB resource information indicating means implementing procedure schematic diagram in the embodiment of the invention;
Fig. 6 is definite method implementing procedure schematic diagram of PRB resource in the embodiment of the invention;
Fig. 7 is a bitmap indicating mode schematic diagram in the embodiment of the invention;
Fig. 8 is that downlink resource distributes type 0 schematic diagram in the embodiment of the invention;
Fig. 9 does not have the skew downlink resource to distribute the Class1 schematic diagram in the embodiment of the invention;
Figure 10 distributes the Class1 schematic diagram for the skew downlink resource is arranged in the embodiment of the invention;
Figure 11 is mode three indicating means schematic diagrames in the embodiment of the invention;
Figure 12 is an architecture of base station schematic diagram in the embodiment of the invention;
Figure 13 is a mode architecture of base station schematic diagram once in the embodiment of the invention;
Figure 14 is the architecture of base station schematic diagram under the mode two in the embodiment of the invention;
Figure 15 is the architecture of base station schematic diagram under the mode three in the embodiment of the invention;
Figure 16 is a via node structural representation in the embodiment of the invention.
Embodiment
In 3GPP Long Term Evolution LTE-A system, will adopt the service quality and the Extended Cell of the method raising Cell Edge User of relaying cooperation transmission to cover.Down control channel resources indication and DCI that the embodiment of the invention will solve back haul link detect problem.Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
In declarative procedure, enforcement from base station side and RN is respectively described, in the mode of embodiment the cooperation of the two is implemented to describe then, so that better understand enforcement of the present invention, but this and do not mean that the two must cooperate enforcement, in fact, when RN and base station branch begin to implement, its RN side that also solves separately, the problem of base station side when just the two is used in combination, can obtain better technique effect.
In the explanation, specifically provide the PRB resource information indicating mode of three kinds of modes, also provide accordingly under these three kinds of indicating modes, RN detects the execution mode of DCI, describes below.
Fig. 5 is a PRB resource information indicating means implementing procedure schematic diagram, as shown in the figure, can comprise the steps: when indication PRB resource information
The R-PDCCHPRB resource that is used to carry DCI of the RN correspondence that self serves is determined in step 501, base station;
Step 502, base station are indicated corresponding described R-PDCCH PRB resource information by high-level signaling to RN.
Mode one
The base station is indicated described R-PDCCH PRB resource information by high-level signaling to RN, can comprise:
The base station adopts bitmap (bit mapping) to identify the corresponding R-PDCCH PRB of RN resource;
The base station is to send the bitmap that comprises R-PDCCH PRB resource information accordingly by high-level signaling RN.
In the enforcement, when bitmap sign R-PDCCH PRB resource was adopted in the base station, the bit number that bitmap comprises equaled the PRB number that system bandwidth comprises, all corresponding bit of each PRB.
Mode two
The base station is indicated corresponding described R-PDCCH PRB resource information by high-level signaling to RN, can comprise:
The base station uses the downlink resource in the LTE version 8 to distribute type 0 or 1 to indicate corresponding described R-PDCCH PRB resource information by high-level signaling to RN.
1, the base station use downlink resource distribute type 0 by high-level signaling when RN indicates corresponding described R-PDCCH PRB resource information, can comprise:
According to RBG (Resource Block Group, Resource Block group) size parameter P grouping, the P value is the system bandwidth function with the downlink system bandwidth in the base station;
The RBG at the corresponding R-PDCCH PRB of RN resource place is determined in the base station;
The base station adopts bitmap to identify the RBG at the corresponding R-PDCCH PRB of RN resource place;
The base station sends the bitmap that comprises R-PDCCH PRB resource information accordingly by high-level signaling to via node.
2, the base station use downlink resource distribute Class1 by high-level signaling when RN indicates corresponding described R-PDCCH PRB resource information, can comprise:
According to RBG size parameter P grouping, the P value is the system bandwidth function with the downlink system bandwidth in the base station;
The base station is a P RBG subclass with the RBG component;
The base station is that the corresponding R-PDCCH of RN distributes the PRB resource in RBG subclass therein;
The base station sends the information of indication R-PDCCH PRB resource accordingly by high-level signaling to RN, comprises RBG subclass, side-play amount and the bitmap at R-PDCCH PRB resource place in the described information.
In aforesaid way two is implemented, can further include:
The base station use the downlink resource in the LTE version 8 distribute type 0 or 1 by high-level signaling when RN indicates corresponding described R-PDCCH PRB resource information, the downlink resource that agreement adopts distributes type, or to the RN indication downlink resource that adopts is distributed type by high-level signaling.
Mode three
The base station is indicated corresponding described R-PDCCH PRB resource information by high-level signaling to RN, can comprise:
Original position, the fixed intervals size of R-PDCCH PRB resource, the PRB number of distribution are determined in the base station;
The base station sends the information of indication R-PDCCH PRB resource accordingly by high-level signaling to via node, comprises the original position of the R-PDCCH PRB resource of described distribution, the PRB number of distribution in the described information.
In the enforcement, the base station can also also comprise R-PDCCH PRB gap size by high-level signaling to the information that RN sends corresponding indication R-PDCCH PRB resource in the described information;
Also promptly, the fixed intervals size can be the gap size that base station and RN agreement adopt, or the base station is by the gap size of high-level signaling to the RN indication;
The PRB number of original position, distribution can be that indicate to RN by high-level signaling the base station.
Fig. 6 is definite method implementing procedure schematic diagram of PRB resource, as shown in the figure, can comprise the steps: when definite PRB resource
Step 601, RN receive the high-level signaling that the base station sends, and described high-level signaling has been indicated the corresponding R-PDCCH PRB of RN resource information, and described R-PDCCH PRB resource is used to carry the Downlink Control Information DCI of described RN correspondence;
Step 602, RN determine R-PDCCH PRB resource location according to R-PDCCH PRB resource information;
Step 603, RN detect DCI at the R-PDCCH PRB resource location of determining.
RN determines that the PRB resource of detection DCI is to carry out according to the indication of base station, so it also has three kinds of corresponding execution modes of determining the PRB resources.
Mode one
High-level signaling is by bitmap indication R-PDCCH PRB resource information, and bitmap has identified the R-PDCCH PRB resource in the corresponding PRB resource of RN;
RN determines R-PDCCH PRB resource location according to R-PDCCH PRB resource information, can comprise: RN determines R-PDCCH PRB resource location according to bitmap.
In the enforcement, during bitmap sign PRB resource, the bit number that bitmap comprises equals the PRB number that system bandwidth comprises, all corresponding bit of each PRB.
Mode two
RN determines R-PDCCH PRB resource location according to R-PDCCH PRB resource information, can comprise: RN uses the downlink resource in the LTE version 8 to distribute type 0 or 1 to determine R-PDCCH PRB resource location according to the indication in the high-level signaling.
1, RN uses downlink resource to distribute type 0 to determine R-PDCCH PRB resource location, can comprise:
RN receives the bitmap that comprises R-PDCCH PRB resource information that the base station sends;
RN determines the RBG at R-PDCCH PRB resource place according to bitmap.
2, RN uses downlink resource to distribute Class1 to determine R-PDCCH PRB resource location, can comprise:
RN receives the information of the indication R-PDCCH PRB resource of base station transmission, comprises RBG subclass, side-play amount and the bitmap at R-PDCCH PRB resource place in the described information;
RN determines R-PDCCH PRB resource according to RBG subclass, side-play amount and the bitmap at the R-PDCCH PRB resource place that comprises in the described information.
Enforcement for mode two can further include:
When RN uses the downlink resource in the LTE version 8 to distribute type 0 or 1 to determine R-PDCCH PRB resource location, the downlink resource of RN and base station agreement employing distributes type, or determines that by the high-level signaling that receives the base station transmission base station is with the downlink resource distribution type that adopts.
Mode three
RN determines R-PDCCH PRB resource location according to R-PDCCH PRB resource information, can comprise:
RN receives the information of the indication R-PDCCH PRB resource of base station transmission, comprises the original position of R-PDCCH PRB resource, the PRB number of distribution in the described information;
RN determines the PRB at R-PDCCH PRB resource place according to the described R-PDCCH PRB resource information that receives.
In the enforcement, RN receives the information of the indication R-PDCCH PRB resource of base station transmission, can also comprise R-PDCCH PRB gap size in the described information.
Also promptly, the fixed intervals size can be the gap size that RN and base station agreement adopt, or determines the gap size that adopt the base station by the high-level signaling that receives the base station transmission;
The PRB number of original position, distribution can be to determine by the high-level signaling that receives the base station transmission.
Describe with embodiment below.
Mode one, bitmap indicating mode.
In the enforcement, the base station sends the bitmap that comprises R-PDCCH PRB resource information accordingly respectively to via node, and wherein the bit number that comprises of bitmap equals the PRB number that system bandwidth comprises.
During concrete enforcement, can be: all corresponding bit of each PRB,
MSB (Most Significant Bit, the highest-order bit)～LSB (Least Significant Bit, lowest bit position) of the corresponding bitmap of difference, wherein
Be the downlink system bandwidth of representing with RB.If the bit of certain PRB correspondence is changed to 1, show that this PRB distributes to R-PDCCH.
Via node receives the bitmap that the base station sends, and determines R-PDCCH PRB according to the bit that is changed to 1 among the bitmap, detects corresponding Downlink Control Information DCI on the PRB that determines.
Fig. 7 is a bitmap indicating mode schematic diagram, though Bitmap indicating mode signaling consumption is bigger, but it can support that R-PDCCH PRB distributes flexibly, embodiment as shown in Figure 7, the supposing the system bandwidth is 50PRB, the base station only need be passed through high-level signaling (such as radio resource control RRC (Radio Resource Control, Radio Resource control) signaling) and send the bitmap that comprises 50bits to each via node of oneself serving.
Downlink resource distributes type 0/1 indicating mode in mode two, the LTE standard.
In LTE specification version 8, downlink resource distributes type 0/1 to be used to indicate Physical Downlink Shared Channel PDSCH (Physical Downlink Shared Channel, physical down link sharing channel) resource allocation, indication information are included among the Downlink Control Information DCI.In the invention process, downlink resource distributes type 0/1 to be used to indicate R-PDCCH PRB to distribute, and indication information is included in the high-level signaling (such as the RRC signaling).If support two types downlink resource to distribute and indicating mode simultaneously, it still is that Class1 gets final product that the indication information that then only need add 1bit in high-level signaling is used for distinguishing employing type 0; If adopting type 0 by standard predefine still is Class1, then do not need to add the indication information of 1bit.
Following mask body is introduced two types distribution and indicating means.
1, adopt when distributing type 0, according to Resource Block group RBG size parameter P grouping, the P value is the function of system bandwidth, and is as shown in table 1 with the downlink system bandwidth, and last RBG size may be less than P, and total RBG number is
Wherein
Be the downlink system bandwidth of representing with RB,
Expression rounds up.
RBG can be increased progressively direction according to frequency domain in concrete the enforcement and be numbered 0～N
RBG-1, then each RBG is carried out bitmap, 0～N
RBGMSB～LSB of-1 corresponding bitmap if bitmap is 1, shows that then the RBG of this bit correspondence has distributed to the R-PDCCH of via node correspondence.
Table 1: system bandwidth and RBG magnitude relationship
| System bandwidth (PRB) | RBG size (PRB) |
| ≤10 | 1 |
| 11-26 | 2 |
| 27-63 | 3 |
| 64-110 | 4 |
Fig. 8 is that downlink resource distributes type 0 schematic diagram, and among the embodiment as shown in Figure 8, the supposing the system bandwidth is 50PRB, and index is that 1 RBG distributes to R-PDCCH.The base station is notified to via node with the bitmap of above-mentioned RBG correspondence, and the bitmap that via node sends according to the base station determines the RBG of distribution, detects DCI on the RBG that determines.Compare the bitmap mode, the signaling consumption of this indicating mode still less, such as embodiment shown in Figure 8, when system bandwidth is 100PRB, the bitmap mode needs 100bits, this mode then only needs 25bits, and the smallest particles degree that this mode is indicated is RBG, can both indicate the distribution of each PRB generally speaking neatly.
2, adopt when distributing Class1, according to RBG size P grouping, the P value is as shown in table 1, is P RBG subclass again with the RBG component with downlink bandwidth, and the base station is R-PDCCH distribution PRB in the RBG subclass, and the PRB assignment information is notified to via node.
In concrete the enforcement, the bit number that the PRB assignment information comprises is identical with the bit number that distributes type 0, wherein
The RBG subclass that expression is selected; Whether the starting point of 1 bit indication subclass RB scope has a skew, and promptly the minimum PRB in the subset p numbers Δ shift (p), not skew of 0 expression, and 1 expression is offset
All the other bits are represented a bitmap, are used to indicate the PRB in the selected RBG subclass, and according to corresponding MSB of frequency domain ascending order and LSB, the size of bitmap is
Wherein bit is that 1 this PRB of expression distributes to R-PDCCH.
Then, the base station is notified to via node with above-mentioned PRB assignment information, and via node is determined RBG subclass, side-play amount and bitmap according to the indication information that the base station sends, thereby determines the PRB resource of distribution, detects DCI on the PRB resource of determining.The signaling consumption of this indicating mode is identical with distribution type 0, but its smallest particles degree that can indicate is a PRB.Fig. 9 does not distribute Class1 schematic diagram, Figure 10 to distribute the Class1 schematic diagram for the skew downlink resource is arranged for there being the skew downlink resource, two embodiment Fig. 9 and shown in Figure 10, represent that respectively shifted bits is 0 and 1 o'clock PRB resource allocation and indication, wherein the supposing the system bandwidth is 50PRB.
Mode three
Except with above-mentioned two kinds with the high-level signaling indication R-PDCCH PRB resource information, the embodiment of the invention also proposes a kind of new indication scheme, is used to indicate R-PDCCH PRB resource, compares above-mentioned dual mode, signaling consumption is littler.
Under this mode, between continuous two PRB of logic of propositions is (continuous P RB is spaced apart 0) of fixing at interval, if via node has been known original position, the fixed intervals size of the PRB that distributes and the PRB number that distributes, then can determine R-PDCCH PRB.Wherein, the PRB number of the original position of PRB and distribution needs the base station to be notified to via node by high-level signaling, and the fixed intervals size can be the function of system bandwidth by standard predefine also by the high-level signaling notice of base station.
Concrete, for the original position of R-PDCCH PRB, be meant the minimum or maximum PRB of index value among all PRB that distribute to R-PDCCH, the base station can be notified to via node with the index value of this PRB by high-level signaling, and its signaling consumption is to the maximum
Wherein
Be the downlink system bandwidth of representing with PRB.
For the R-PDCCH PRB number that distributes, the base station can be notified to via node with the PRB number that via node R-PDCCH needs by high-level signaling, and the signaling consumption that needs is
Wherein
It is the maximum number of the PRB that takies of the R-PDCCH of a via node.
For the fixed intervals between the PRB, this interval can be notified by high-level signaling by the base station, can be the function of system bandwidth by standard predefine also.
Then have:
When notifying, can pass through N by high-level signaling
GapBits indicates at interval, N
GapThe sequence that bits is different can be represented different intervals, such as adopting 2bits to indicate at interval, can define " 00 " expression and be spaced apart 0, and promptly continuous P RB distributes, and " 01 " expression is spaced apart 2, and " 10 " expression is spaced apart 4, and " 11 " expression is spaced apart 8.Can certainly suppose that largest interval is with the method for expressing of similar PRB original position and PRB number
If also need to indicate continuous PRB to distribute (promptly being spaced apart 0), then need to use
Indicate respectively size be 0～
The interval.
When being the function of system bandwidth by standard predefine, base station and via node can obtain the interval between the PRB automatically by the size of system bandwidth, and this interval need predesignated, and an embodiment is as shown in table 2.
Table 2:PRB at interval with the relation of system bandwidth
| System bandwidth (PRB) | Gap size (PRB) |
| ≤10 | 0 |
| 11-26 | 1 |
| 27-63 | 2 |
| 64-110 | 4 |
The base station is notified to via node with above-mentioned information, and via node is determined R-PDCCH PRB according to the information that receives, supposes that the index of initial PRB is m, is spaced apart N, and the PRB number of distribution is K, and then the PRB of Fen Peiing is m+k*N, k=0 wherein, and 1 ..., K-1.The signaling consumption of this indicating means is
The supposing the system bandwidth is 100 PRB, and the maximum PRB number that the R-PDCCH of a via node takies is 8, X=2bits when adopting the high-level signaling reporting interval, X=0 when adopting predefine at interval, then total signaling consumption is 12bits or 10bits, compares other modes, and signaling consumption is littler.
Figure 11 is mode three indicating means schematic diagrames, this indicating mode schematic diagram as shown in Figure 9, the supposing the system bandwidth is 50PRB, original position is that index is 4 PRB, the PRB fixed intervals are 4, the PRB number is 8.
Based on same inventive concept, a kind of base station, trunking also are provided in the embodiment of the invention, because the principle that these equipment are dealt with problems is similar to definite method of a kind of PRB resource information indicating means, a kind of PRB resource, therefore the enforcement of these equipment can repeat part and repeat no more referring to the enforcement of method.
Figure 12 is the architecture of base station schematic diagram, as shown in the figure, can comprise in the base station:
Indicating module 1202 is used for indicating described R-PDCCH PRB resource information by high-level signaling to corresponding RN.
Mode one
Figure 13 is a mode architecture of base station schematic diagram once, and as shown in the figure, indicating module can comprise in the base station:
Identify unit 1301 is used for adopting bitmap to identify the R-PDCCHPRB resource of the corresponding PRB resource of RN;
Transmitting element 1302 is used for sending the bitmap that comprises R-PDCCH PRB resource information accordingly to RN by high-level signaling.
In the enforcement, identify unit can also be further used for when adopting bitmap sign R-PDCCH PRB resource, and the bit number that bitmap comprises equals the PRB number that system bandwidth comprises, all corresponding bit of each PRB.
Mode two
Figure 14 is the architecture of base station schematic diagram under the mode two, and as shown in the figure, indicating module can comprise in the base station:
And/or Class1 indicating member 1402 is used for using the downlink resource of LTE version 8 to distribute Class1 to indicate corresponding described R-PDCCH PRB resource information by high-level signaling to RN.
In the enforcement, type 0 indicating member can comprise:
The grouping subelement is used for the downlink system bandwidth is divided into groups according to RBG size parameter P, and the P value is the system bandwidth function;
Determine subelement, be used for determining the RBG at the corresponding R-PDCCH PRB of RN resource place;
The sign subelement is used to adopt bitmap to identify the RBG at the corresponding R-PDCCH PRB of RN resource place;
Send subelement, be used for sending the bitmap that comprises corresponding R-PDCCH PRB resource information to RN by high-level signaling.
In the enforcement, the Class1 indicating member can comprise:
The diversity subelement is used for the base station downlink system bandwidth is divided into groups according to RBG size parameter P, and the P value is the system bandwidth function; And be P RBG subclass with the RBG component;
Distribute subelement, being used for therein, a RBG subclass is the corresponding R-PDCCH distribution of described RN PRB resource;
The indication subelement is used for sending the information of indicating corresponding R-PDCCH PRB resource by high-level signaling to RN, comprises RBG subclass, side-play amount and the bitmap at R-PDCCH PRB resource place in the described information.
In the enforcement, can further include in the base station:
The type determining unit, be used for using the downlink resource of LTE version 8 distribute type 0 or 1 by high-level signaling when RN indicates described R-PDCCH PRB resource information, the downlink resource that agreement adopts distributes type, or to the RN indication downlink resource that adopts is distributed type by high-level signaling.
Mode three
Figure 15 is the architecture of base station schematic diagram under the mode three, and as shown in the figure, indicating module can comprise in the base station:
Determining unit 1501 is used for determining original position, the fixed intervals size of R-PDCCH PRB resource, the PRB number of distribution;
Indicating member 1502 is used for sending the information of indication R-PDCCH PRB resource accordingly by high-level signaling to RN, comprises the original position of the R-PDCCH PRB resource of distribution, the PRB number of distribution in the described information.
In the enforcement, indicating member can be further used for also comprising R-PDCCH PRB gap size in the described information by the information of high-level signaling to the corresponding indication R-PDCCH PRB resource of RN transmission.
Figure 16 is the via node structural representation, as shown in the figure, can comprise among the RN:
Mode one
In the enforcement, receiver module can also be further used for receiving the described high-level signaling by bitmap indication R-PDCCH PRB resource information, and bitmap has identified the R-PDCCH PRB resource of RN correspondence;
Determination module can also be further used for determining R-PDCCH PRB resource location according to bitmap.
In the enforcement, when receiver module can also be further used for receiving by the described high-level signaling of bitmap indication R-PDCCH PRB resource information, the bit number that bitmap comprises equaled the PRB number that system bandwidth comprises, all corresponding bit of each PRB.
Mode two
In the enforcement, determination module can comprise:
And/or the Class1 determining unit is used for the indication according to high-level signaling, uses the downlink resource in the LTE version 8 to distribute Class1 to determine R-PDCCH PRB resource location.
In the enforcement, type 0 determining unit can also comprise:
First receives subelement, is used to receive the bitmap that comprises R-PDCCH PRB resource information that the base station sends;
First determines subelement, is used for determining according to bitmap the RBG at R-PDCCH PRB resource place.
In the enforcement, the Class1 determining unit can also comprise:
The second indication subelement is used to receive the information of the indication R-PDCCH PRB resource that the base station sends, and comprises RBG subclass, side-play amount and the bitmap at R-PDCCH PRB resource place in the described information;
Second determines subelement, and the RBG subclass, side-play amount and the bitmap that are used for the R-PDCCH PRB resource place that comprises according to described information determine R-PDCCH PRB resource.
In the enforcement, can further include among the RN:
The type receiving element, when being used for using the downlink resource of LTE version 8 to distribute type 0 or 1 to determine R-PDCCH PRB resource location, distribute type with the downlink resource of base station agreement employing, or determine that by the high-level signaling that receives the base station transmission base station is with the downlink resource distribution type that adopts.
Mode three
In the enforcement, receiver module can also be further used for receiving the information of the indication R-PDCCH PRB resource that the base station sends, and comprises the PRB number that the original position of R-PDCCH PRB resource is distributed in the described information;
Determination module can also be further used for determining R-PDCCH PRB resource according to the R-PDCCH PRB resource information that receives.
In the enforcement, receiver module can be further used for receiving the information of the indication R-PDCCH PRB resource that the base station sends, and also comprises R-PDCCH PRB gap size in the described information.
For the convenience of describing, the each several part of the above device is divided into various modules with function or the unit is described respectively.Certainly, when enforcement is of the present invention, can in same or a plurality of softwares or hardware, realize the function of each module or unit.
By above-mentioned execution mode as seen, the base station to the via node notice R-PDCCH PRB resource information of self serving, is used to make via node can detect Downlink Control Information DCI by high-level signaling on the PRB resource of determining in the embodiment of the invention; By these schemes, for the prior art that does not have at present indication R-PDCCH PRB resource, technology of the present invention obviously can be indicated R-PDCCH PRB neatly.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (36)
1. a Physical Resource Block PRB resource information indicating means is characterized in that, comprises the steps:
The relaying that the is used for bearing downlink control information DCI-Physical Downlink Control Channel R-PDCCH PRB resource of the via node RN correspondence that self serves is determined in the base station;
Described base station is indicated corresponding described R-PDCCH PRB resource information by high-level signaling to described RN.
2. the method for claim 1 is characterized in that, described base station is indicated corresponding described R-PDCCH PRB resource information by high-level signaling to described RN, comprising:
Described base station adopts bit mapping bitmap to identify the corresponding described R-PDCCH PRB resource of described RN;
Described base station sends the bitmap that comprises R-PDCCH PRB resource information accordingly by high-level signaling to described RN.
3. method as claimed in claim 2 is characterized in that, when bitmap sign R-PDCCH PRB resource was adopted in the base station, the bit number that bitmap comprises equaled the PRB number that system bandwidth comprises, all corresponding bit of each PRB.
4. the method for claim 1 is characterized in that, described base station is indicated corresponding described R-PDCCH PRB resource information by high-level signaling to described RN, comprising:
Described base station uses the downlink resource in the Long Term Evolution LTE version 8 to distribute type 0 or 1 to indicate corresponding described R-PDCCH PRB resource information by high-level signaling to described RN.
5. method as claimed in claim 4 is characterized in that, described base station use downlink resource distribute type 0 by high-level signaling when described RN indicates corresponding described R-PDCCH PRB resource information, comprising:
According to Resource Block group RBG size parameter P grouping, the P value is the system bandwidth function with the downlink system bandwidth in described base station;
The RBG at the corresponding R-PDCCH PRB of described RN resource place is determined in described base station;
Described base station adopts bitmap to identify the RBG at the corresponding R-PDCCH PRB of described RN resource place;
Described base station sends the bitmap that comprises R-PDCCH PRB resource information accordingly by high-level signaling to described RN.
6. method as claimed in claim 4 is characterized in that, described base station use downlink resource distribute Class1 by high-level signaling when described RN indicates corresponding described R-PDCCH PRB resource information, comprising:
According to RBG size parameter P grouping, the P value is the system bandwidth function with the downlink system bandwidth in described base station;
Described base station is a P RBG subclass with the RBG component;
Described base station is that the corresponding R-PDCCH of described RN distributes the PRB resource in RBG subclass therein;
Described base station sends the information of indication R-PDCCH PRB resource accordingly by high-level signaling to described RN, comprises RBG subclass, side-play amount and the bitmap at described R-PDCCH PRB resource place in the described information.
7. as the arbitrary described method of claim 4 to 6, it is characterized in that, further comprise:
Described base station use the downlink resource in the LTE version 8 distribute type 0 or 1 by high-level signaling when described RN indicates corresponding described R-PDCCH PRB resource information, the downlink resource that agreement adopts distributes type, or to described RN indication the downlink resource that adopts is distributed type by high-level signaling.
8. the method for claim 1 is characterized in that, described base station is indicated corresponding described R-PDCCH PRB resource information by high-level signaling to described RN, comprising:
Original position, the fixed intervals size of described R-PDCCH PRB resource, the PRB number of distribution are determined in described base station;
Described base station to the information that described RN sends corresponding indication R-PDCCH PRB resource, comprises the original position of the R-PDCCH PRB resource of described distribution, the PRB number of distribution by high-level signaling in the described information.
9. method as claimed in claim 8 is characterized in that, described base station to the information that described RN sends corresponding indication R-PDCCH PRB resource, also comprises R-PDCCH PRB gap size by high-level signaling in the described information.
10. definite method of a PRB resource is characterized in that, comprises the steps:
RN receives the high-level signaling that the base station sends, and described high-level signaling is indicated the corresponding R-PDCCH PRB of described RN resource information, and described R-PDCCH PRB resource is used to carry the Downlink Control Information DCI of described RN correspondence;
Described RN determines R-PDCCH PRB resource location according to described R-PDCCH PRB resource information.
11. method as claimed in claim 10 is characterized in that, described high-level signaling is indicated described R-PDCCH PRB resource information by bitmap, and bitmap has identified the corresponding R-PDCCH PRB of described RN resource;
Described RN determines R-PDCCH PRB resource location according to described R-PDCCH PRB resource information, comprising: described RN determines R-PDCCH PRB resource location according to described bitmap.
12. method as claimed in claim 11 is characterized in that, when described bitmap identified the PRB resource, the bit number that bitmap comprises equaled the PRB number that system bandwidth comprises, all corresponding bit of each PRB.
13. method as claimed in claim 10, it is characterized in that, described RN determines R-PDCCH PRB resource location according to described R-PDCCH PRB resource information, comprise: described RN uses the downlink resource in the LTE version 8 to distribute type 0 or 1 to determine R-PDCCH PRB resource location according to the indication in the high-level signaling.
14. method as claimed in claim 13 is characterized in that, described RN uses downlink resource to distribute type 0 to determine R-PDCCH PRB resource location, comprising:
Described RN receives the bitmap that comprises R-PDCCH PRB resource information that the base station sends;
Described RN determines the RBG at R-PDCCH PRB resource place according to bitmap.
15. method as claimed in claim 13 is characterized in that, described RN uses downlink resource to distribute Class1 to determine R-PDCCH PRB resource location, comprising:
Described RN receives the information of the indication R-PDCCH PRB resource of base station transmission, comprises RBG subclass, side-play amount and the bitmap at R-PDCCH PRB resource place in the described information;
Described RN determines R-PDCCH PRB resource according to RBG subclass, side-play amount and the bitmap at the R-PDCCH PRB resource place that comprises in the described information.
16. as the arbitrary described method of claim 13 to 15, it is characterized in that, further comprise:
When described RN uses the downlink resource in the LTE version 8 to distribute type 0 or 1 to determine R-PDCCH PRB resource location, the downlink resource of RN and base station agreement employing distributes type, or determines that by the high-level signaling that receives the base station transmission base station is with the downlink resource distribution type that adopts.
17. method as claimed in claim 10 is characterized in that, described RN determines R-PDCCH PRB resource location according to described R-PDCCH PRB resource information, comprising:
Described RN receives the information of the indication R-PDCCH PRB resource of base station transmission, comprises the original position of R-PDCCH PRB resource, the PRB number of distribution in the described information;
Described RN determines R-PDCCH PRB resource according to the described R-PDCCH PRB resource information that receives.
18. method as claimed in claim 17 is characterized in that, described RN receives the information of the indication R-PDCCH PRB resource of base station transmission, also comprises R-PDCCH PRB gap size in the described information.
19. a base station is characterized in that, comprising:
Determination module is used for determining the R-PDCCH PRB resource that is used to carry DCI of the RN correspondence of self service;
Indicating module is used for indicating corresponding described R-PDCCH PRB resource information by high-level signaling to RN.
20. base station as claimed in claim 19 is characterized in that, indicating module comprises:
Identify unit is used to adopt bitmap to identify the R-PDCCH PRB resource of RN correspondence;
Transmitting element is used for sending the bitmap that comprises R-PDCCH PRB resource information accordingly to RN by high-level signaling.
21. base station as claimed in claim 20 is characterized in that, identify unit is further used for when adopting bitmap sign R-PDCCH PRB resource, and the bit number that bitmap comprises equals the PRB number that system bandwidth comprises, all corresponding bit of each PRB.
22. base station as claimed in claim 19 is characterized in that, indicating module comprises:
Type 0 indicating member is used for using the downlink resource of LTE version 8 to distribute type 0 to indicate corresponding described R-PDCCH PRB resource information by high-level signaling to RN;
And/or the Class1 indicating member is used for using the downlink resource of LTE version 8 to distribute Class1 to indicate corresponding described R-PDCCH PRB resource information by high-level signaling to RN.
23. base station as claimed in claim 22 is characterized in that, type 0 indicating member comprises:
The grouping subelement is used for the downlink system bandwidth is divided into groups according to RBG size parameter P, and the P value is the system bandwidth function;
Determine subelement, be used for determining the RBG at the corresponding R-PDCCH PRB of RN resource place;
The sign subelement is used to adopt bitmap to identify the RBG at the corresponding R-PDCCH PRB of RN resource place;
Send subelement, be used for sending the bitmap that comprises corresponding R-PDCCH PRB resource information to RN by high-level signaling.
24. base station as claimed in claim 22 is characterized in that, the Class1 indicating member comprises:
The diversity subelement is used for the base station downlink system bandwidth is divided into groups according to RBG size parameter P, and the P value is the system bandwidth function; And be P RBG subclass with the RBG component;
Distribute subelement, being used for therein, a RBG subclass is the corresponding R-PDCCH distribution of described RN PRB resource;
The indication subelement is used for sending the information of indicating corresponding R-PDCCH PRB resource by high-level signaling to RN, comprises RBG subclass, side-play amount and the bitmap at R-PDCCH PRB resource place in the described information.
25. as the arbitrary described base station of claim 22 to 24, it is characterized in that, further comprise:
The type determining unit, be used for using the downlink resource of LTE version 8 distribute type 0 or 1 by high-level signaling when RN indicates described R-PDCCH PRB resource information, the downlink resource that agreement adopts distributes type, or to the RN indication downlink resource that adopts is distributed type by high-level signaling.
26. base station as claimed in claim 19 is characterized in that, indicating module comprises:
Determining unit is used for determining original position, the fixed intervals size of R-PDCCH PRB resource, the PRB number of distribution;
Indicating member is used for sending the information of indication R-PDCCH PRB resource accordingly by high-level signaling to RN, comprises the original position of the R-PDCCH PRB resource of distribution, the PRB number of distribution in the described information.
27. base station as claimed in claim 26 is characterized in that, indicating member is further used for also comprising R-PDCCH PRB gap size in the described information by the information of high-level signaling to the corresponding indication R-PDCCH PRB resource of RN transmission.
28. a via node is characterized in that, comprising:
Receiver module is used to receive the high-level signaling that the base station sends, the corresponding R-PDCCH PRB of described high-level signaling indication RN resource information, and described R-PDCCH PRB resource is used for bearing downlink control information DCI;
Determination module is used for determining R-PDCCH PRB resource location according to the R-PDCCH PRB resource information that receives.
29. via node as claimed in claim 28 is characterized in that, receiver module is further used for receiving the described high-level signaling by bitmap indication R-PDCCH PRB resource information, and bitmap has identified the R-PDCCH PRB resource of RN correspondence;
Determination module is further used for determining R-PDCCH PRB resource location according to bitmap.
30. via node as claimed in claim 29, it is characterized in that, when receiver module is further used for receiving by the described high-level signaling of bitmap indication R-PDCCH PRB resource information, the bit number that bitmap comprises equals the PRB number that system bandwidth comprises, all corresponding bit of each PRB.
31. via node as claimed in claim 28 is characterized in that, determination module comprises:
Type 0 determining unit is used for the indication according to high-level signaling, uses the downlink resource in the LTE version 8 to distribute type 0 to determine R-PDCCH PRB resource location;
And/or the Class1 determining unit is used for the indication according to high-level signaling, uses the downlink resource in the LTE version 8 to distribute Class1 to determine R-PDCCH PRB resource location.
32. via node as claimed in claim 31 is characterized in that, type 0 determining unit comprises:
First receives subelement, is used to receive the bitmap that comprises R-PDCCH PRB resource information that the base station sends;
First determines subelement, is used for determining according to bitmap the RBG at R-PDCCH PRB resource place.
33. via node as claimed in claim 31 is characterized in that, the Class1 determining unit comprises:
The second indication subelement is used to receive the information of the indication R-PDCCH PRB resource that the base station sends, and comprises RBG subclass, side-play amount and the bitmap at R-PDCCH PRB resource place in the described information;
Second determines subelement, and the RBG subclass, side-play amount and the bitmap that are used for the R-PDCCH PRB resource place that comprises according to described information determine R-PDCCH PRB resource.
34. as the arbitrary described via node of claim 31 to 33, it is characterized in that, further comprise:
The type receiving element, when being used for using the downlink resource of LTE version 8 to distribute type 0 or 1 to determine R-PDCCH PRB resource location, distribute type with the downlink resource of base station agreement employing, or determine that by the high-level signaling that receives the base station transmission base station is with the downlink resource distribution type that adopts.
35. via node as claimed in claim 28 is characterized in that,
Receiver module is further used for receiving the information of the indication R-PDCCH PRB resource that the base station sends, and comprises the original position of R-PDCCH PRB resource, the PRB number of distribution in the described information;
Determination module is further used for determining R-PDCCH PRB resource according to the R-PDCCH PRB resource information that receives.
36. via node as claimed in claim 35 is characterized in that, receiver module is further used for receiving the information of the indication R-PDCCH PRB resource that the base station sends, and also comprises R-PDCCH PRB gap size in the described information.
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| CN2010101996083A CN102083226A (en) | 2010-06-08 | 2010-06-08 | Method and apparatus for indicating and determining physical resource block resource information |
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| CN2010101996083A CN102083226A (en) | 2010-06-08 | 2010-06-08 | Method and apparatus for indicating and determining physical resource block resource information |
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