CN103813460A - Method for identifying resources used for transmitting control channels - Google Patents
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- CN103813460A CN103813460A CN201210488502.4A CN201210488502A CN103813460A CN 103813460 A CN103813460 A CN 103813460A CN 201210488502 A CN201210488502 A CN 201210488502A CN 103813460 A CN103813460 A CN 103813460A
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Abstract
The prior art cannot effectively identify what physical resource block pairs occupied by PDSCHs (physical downlink shared channels) are used for transmitting ePDCCHs (enhanced physical downlink control channels). The invention provides a method for identifying resources used for a method for identifying resources used for transmitting control channels. The control channels are transmitted in certain resource units of a resource integration, and the resource integration is divided into a plurality of resource sets. The method comprises the steps of i) in all the resource sets included by the resource integration, identifying the resource sets where the resource units for transmitting the control channels are located; ii) in all the resource units included by the resource sets, identifying the resource units for transmitting the control channels. Preferably, the method comprises the step of iii) in the resource set where the resource units for transmitting the control channels, respectively identifying the resource sets where the resource units corresponding to a first group of control channels are located as well as the resource sets where the resource units corresponding to a second group of control channels are located. The method for identifying the resources used for transmitting the control channels can greatly reduce the cost.
Description
Technical field
The present invention relates to wireless network, relate in particular to the resource of the control channel in wireless network.
Background technology
In LTE-A version 11, a kind of new control channel of the Physical Downlink Control Channel (ePDCCH) that is called as enhancing is introduced into, and this ePDCCH can utilize the resource of Physical Downlink Shared Channel (PDSCH) to transmit.This control channel transmits (PRBPair) is upper at one or more Physical Resource Block of a subframe, wherein, the available transmission resources of subframe is to be divided into multiple Physical Resource Block pair on frequency domain, and each Physical Resource Block is to taking the frequency range of 180KHz.
In standardization agenda RAN1#70 and #70bis, a same key property using ePDCCH group as ePDCCH in the industry, one of them ePDCCH group is defined as N the combination that Physical Resource Block is right, and:
A subscriber equipment can be configured to have K ePDCCH group, and each group comprises N Physical Resource Block pair, maximum K=2;
Group for centralized ePDCCH is counted KL, and the group of distributed ePDCCH counts KD, should meet wherein one below: { KL=1, KD=0}, { KL=0, KD=1}, { KL=1, KD=1}, { KL=0, KD=2}, { KL=2, KD=0}.Wherein, centralized ePDCCH refers to that the enhancing resource element group (EREG) that ePDCCH comprises is in same Physical Resource Block centering, and distributed ePDCCH refers to that the enhancing resource element group (EREG) that ePDCCH comprises is in different Physical Resource Block centerings;
N＝{2，4，8}；
System bandwidth be less than 8 Physical Resource Block to time, N can only be 2 or 4;
The restriction that effective combination of the value of system bandwidth to N and K causes needs further to be decided through consultation.
Subscriber equipment need to detect Physical Resource Block to obtaining the wherein ePDCCH channel of transmission, and to Physical Resource Block, right detection relates to the operations such as reception, decoding, if subscriber equipment is not known the actual physical resources piece pair at ePDCCH place, it certainly will need to detect a large amount of Physical Resource Block pair, and this has increased Operating Complexity and the energy consumption of subscriber equipment greatly.Therefore, the quantity right Physical Resource Block being detected by user need to be reduced as much as possible.Based on the protocol specification of deciding through consultation above, if subscriber equipment can be known the right physical location of Physical Resource Block of transmission ePDCCH, that will be very good.Therefore, need base station equipment to send signaling to subscriber equipment, indicate the Physical Resource Block pair that has carried ePDCCH.
Summary of the invention
The right common method of Physical Resource Block that ePDCCH has been carried in indication is to use a bitmap, this bitmap corresponding to the Physical Resource Block of whole PDSCH to entirety,, each in bitmap is one by one corresponding to each Physical Resource Block pair of PDSCH, and whether the logical value of each indicates this Physical Resource Block to being the Physical Resource Block of ePDCCH.But this mode can cause very high signaling consumption, wherein a large amount of expenses is to be used to refer to not have the actual Physical Resource Block pair that is used to carry ePDCCH.Therefore, need to provide a kind of expense is little, efficiency is high mark for transmitting the right method of Physical Resource Block of ePDCCH.
According to a mode of the present invention, the method of a kind of mark for the resource of transmitting control channel is provided, wherein, in this control channel some Resource Unit in resource entirety, be transmitted, this resource entirety is divided into multiple resource collections, the method comprises the steps: that in all resource collections that i. comprises in this resource entirety, mark is for the resource collection at the Resource Unit place of transmitting control channel; Iii., in all Resource Units that comprise at this resource collection, mark is for the Resource Unit of transmitting control channel.
According to this execution mode, this resource entirety is divided into multiple resource collections, and the Resource Unit that first which comprises transmitting control channel in identifying resource set, then, then in identifying resource set, which is the Resource Unit of transmitting control channel.Because the quantity of resource collection is significantly smaller than the quantity of Resource Unit, so greatly reduced required data volume here; Then, only identify the actual resource collection that contains control channel and identify, and resource collection identifies without (not comprising the Resource Unit of transmitting control channel) to which is uncorrelated, has saved a lot of data volumes.
According to a further execution mode, this control channel comprises first group of control channel and second group of control channel, this Resource Unit that is used for transmitting control channel comprises respectively and transmits the Resource Unit of first group of control channel and the Resource Unit of second group of control channel, the method also comprises the steps: the resource collection of ii. at the Resource Unit place for transmitting control channel, identifies respectively corresponding to the resource collection at the Resource Unit place of first group of control channel with corresponding to the resource collection at the Resource Unit place of second group of control channel.
This execution mode provides the support to two groups of control channels.
According to a further execution mode, in described step I, identify the resource collection for the Resource Unit place of transmitting control channel with first order bitmap; And/or, in described step I i, identify with second level bitmap in the resource collection being identified by this first order bitmap, corresponding to the resource collection at the Resource Unit place of this first group of control channel with corresponding to the resource collection at the Resource Unit place of this second group of control channel; And/or, in described step I ii, carry out the Resource Unit for transmitting control channel in identifying resource set with third level bitmap.
This execution mode is the resource collection that identifies respectively the Resource Unit place of transmitting control channel with bitmap, identify two groups of control channels, and in identifying resource set for the Resource Unit of transmitting control channel, with respect to the technical scheme using corresponding to the full bitmap of whole Resource Units, greatly save signaling consumption.
According to a further execution mode, the number of the Resource Unit that each resource collection comprises is identical, and, respectively for each resource collection, the position of the Resource Unit of transmitting control channel in resource collection is identical, in described step I ii, come to identify the wherein Resource Unit for transmitting control channel for each resource collection with single bitmap.
In this execution mode, the position of the Resource Unit that has stipulated transmitting control channel in resource collection is identical, therefore, and in identifying resource set during for the Resource Unit of transmitting control channel, only need single bitmap just can identify for all resource collections, saved signaling consumption.
According to an alternative execution mode, for each resource collection, the position of the Resource Unit of transmitting control channel in resource collection is identical or different respectively, in described step I ii, respectively for each resource collection, identify the wherein Resource Unit for transmitting control channel with different bitmaps.
In this embodiment, use different bitmaps respectively each resource collection to be identified, can realize the flexible setting of the position of Resource Unit in resource collection, the flexibility that has improved system.
According to a further execution mode, corresponding to the resource collection at the Resource Unit place of first group of control channel and entirely not overlapping corresponding to the resource collection at the Resource Unit place of second group of control channel, described step I i identifies corresponding to first group of control channel with corresponding to the resource collection at the resource place of second group of control channel with single bitmap, wherein, this bitmap is corresponding to the resource collection at the Resource Unit place for transmitting control channel identifying in described step I, the first logical value in this bitmap represents the resource collection at the Resource Unit place of first group of control channel, the second logical value represents the resource collection at the Resource Unit place of second group of control channel.
In this embodiment, because the resource collection of two groups of control channels is not overlapping, so use single bitmap, just enough by them, both identify out respectively, and signaling consumption is less.
According to a further execution mode, not overlapping or overlapping at least partly corresponding to the resource collection at Resource Unit place of first group of control channel and the resource collection at the Resource Unit place of second group of control channel, described step I i identifies corresponding to the resource collection at the Resource Unit place of first group of control channel with corresponding to the resource collection at the Resource Unit place of second group of control channel with the first bitmap and the second bitmap respectively, wherein, this first bitmap is corresponding to the resource collection at the Resource Unit place for transmitting control channel identifying in described step I, the first logical value is wherein corresponding to the resource collection at the Resource Unit place of first group of control channel, and this second bitmap is corresponding to the resource collection at the Resource Unit place for transmitting control channel identifying in described step I, the first logical value is wherein corresponding to the resource collection at the Resource Unit place of second group of control channel.
In this embodiment, the two groups of control channels respectively resource collection at place are indicated respectively by different bitmaps, and the flexibility that this has improved resource collection configuration, allows the resource collection of two groups of control channels overlapped.
According to a further execution mode, first group of control channel and second group of control channel correspond respectively to a kind of and another kind of in localized transmission and distributed transmission, in described step I i, the first logical value in this second level bitmap has also indicated this first group of control channel corresponding to localized transmission, and the second logical value in this second level bitmap has also indicated this second group of control channel corresponding to distributed transmission.
In this embodiment, identify which group control channel by the logical value in this second level bitmap and transmit corresponding to any control channel, the referential function to two kinds of control channel transmission is provided.
According to a further execution mode, first group of control channel and second group of control channel are all corresponding to localized transmission or distributed transmission, in described step I i, identify corresponding to the resource collection at the Resource Unit place of first group of control channel with corresponding to the resource collection at the Resource Unit place of second group of control channel with the first bitmap and the second bitmap respectively, this first bitmap is also with the first logical bit, and this first logical bit is used for representing that this first group of control channel is localized transmission or distributed transmission; This second bitmap is also with the second logical bit, and this second logical bit is used for representing that this second group of control channel is localized transmission or distributed transmission.
In this embodiment, in the bitmap of the second level, indicate respectively two groups of control channels with different bitmaps, and this bitmap is respectively with logical bit, can indicate respectively this control channel is localized transmission or distributed transmission, has improved the flexibility of system.
According to a further execution mode, identical with the quantity of the resource collection at the Resource Unit place corresponding to second group of control channel corresponding to the quantity of the resource collection at the Resource Unit place of first group of control channel, or different.
In this embodiment, allow two groups of resource collections corresponding to control channel to there is identical or different quantity, improved the flexibility of system.
According to a further execution mode, the method is carried out in base station equipment, and comprises step: described first order bitmap, second level bitmap and third level bitmap are all sent to subscriber equipment; On identified Resource Unit, transmit control channel.
This execution mode provides and in base station equipment, has realized embodiments of the present invention.
According to another further execution mode, the method is carried out in subscriber equipment, and before described step I, ii and iii, also comprises step: receive described first order bitmap, second level bitmap and third level bitmap from base station equipment; On identified Resource Unit, receive control channel.
This execution mode provides and in subscriber equipment, has realized embodiments of the present invention.
According to a further execution mode, the number of the Resource Unit that each resource collection comprises is identical, and, this subscriber equipment is sent broadcast signaling and is known the frequency range of this resource entirety by base station equipment, this subscriber equipment is provided with the size of this Resource Unit in advance, and know the number of the Resource Unit comprising in each resource collection by base station equipment, thereby this subscriber equipment is identified for the actual corresponding spectrum position of the Resource Unit of transmitting control channel.
In this execution mode, subscriber equipment can be identified for the actual corresponding spectrum position of Resource Unit of transmitting control channel, carries out practical communication.
According to a further execution mode, described control channel comprises the Physical Downlink Control Channel of enhancing, and described resource entirety comprises all resources for transmitting physical DSCH Downlink Shared Channel, and described Resource Unit comprises Physical Resource Block pair.
This execution mode is further applied in the present invention in ePDCCH scene, has solved the problem that prior art exists.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, other features, objects and advantages of the present invention will become more apparent:
Fig. 1 identifies the right schematic diagram of Physical Resource Block for transmitting ePDCCH according to an embodiment of the invention;
Fig. 2 is the right schematic diagram of Physical Resource Block identifying according to another implementation of the invention for transmitting ePDCCH;
Fig. 3 is that the 3rd execution mode according to the present invention identifies the right schematic diagram of Physical Resource Block for transmitting ePDCCH;
Fig. 4 is that the 4th execution mode according to the present invention identifies the right schematic diagram of Physical Resource Block for transmitting ePDCCH;
Fig. 5 is that the 5th execution mode according to the present invention identifies the right schematic diagram of Physical Resource Block for transmitting ePDCCH.
Embodiment
The invention provides the method for a kind of mark for the resource of transmitting control channel, wherein, in this control channel some Resource Unit in resource entirety, be transmitted, this resource entirety is divided into multiple resource collections, and the method comprises the steps:
I., in all resource collections that comprise in this resource entirety, mark is for the resource collection at the Resource Unit place of transmitting control channel;
Iii., in all Resource Units that comprise at this resource collection, mark is for the Resource Unit of transmitting control channel.
Be example take ePDCCH as control channel below, embodiments of the present invention are described.Be appreciated that the present invention is not limited to this.
Describe for unified, here establish the resource that PDSCH is corresponding and altogether comprise 20 PRB couple, and, in the time dividing PRB set, each PRB set has 4 PRB couple, the resource entirety that PDSCH is corresponding so will be divided into 5 PRB set, be designated as PRB set 0, PRB set 1, PRB set 2, PRB set 3 and PRB set 4.As shown in fig. 1, a square represents a PRB couple, and the dashdotted PRB of identical diagram is to forming a PRB set.
First,, in these 20 PRB gather 0 to 4 to all PRB that comprise, mark is for transmitting the PRB of ePDCCH to the PRB set at place.One preferred embodiment in, can identify with a bitmap.As shown in Figure 1, this bitmap and five PRB sets match, comprise five bits, and each bit is one by one corresponding to PRB set 0 to 4.And, the first logic in bitmap, for example 1 represents: corresponding PRB set comprises the PRB couple for transmitting ePDCCH; On the contrary, the second logic, for example 0 represents: corresponding PRB set does not comprise the PRB couple for transmitting ePDCCH.As shown in Figure 1, in PRB set 0 to 4, PRB set 0 to 3 comprises that respectively a PRB is to for transmitting ePDCCH, and PRB set 4 does not have.So, this bitmap is 11110.Certainly, also can represent that corresponding PRB set comprises the PRB couple for transmitting ePDCCH with 0, this bitmap will become 00001 so.Here the bitmap of, the PRB that represents transmission ePDCCH being gathered the PRB at place is called first order bitmap.
Then,, those PRB set 0 to 3 all PRB centerings that comprise, mark is for transmitting the PRB couple of ePDCCH.One preferred embodiment in, respectively for each PRB set, the PRB of transmission ePDCCH is identical to the position in PRB set, for example, as shown in the shaded block in Fig. 1, in each PRB set, be all that the 2nd PRB is to transmitting ePDCCH.So, can only identify the PRB couple for transmitting ePDCCH by a field, can be common to each PRB set.Preferably, also identify with bitmap, this bitmap is with the PRB in PRB set to mating, and this bitmap comprises four bits, and each bit is one by one corresponding to first to fourth PRB couple.And, the first logic in bitmap, for example 1 represents: corresponding PRB is to being transmission ePDCCH; On the contrary, the second logic, for example 0 represents: corresponding PRB is not to being transmission ePDCCH.As shown in Figure 1 in each PRB set, be all the 2nd PRB to transmitting ePDCCH, so, this bitmap is 0100.Certainly, also can do logical expressions on the contrary.Here the right bitmap of PRB that represents the transmission ePDCCH in PRB set is called to third level bitmap.Here " third level ", above " first order " and " second level " are hereinafter only used to distinguish these bitmaps and identify respectively different objects physically, and do not cause other any restrictions.
Making the quantity of PRB set is K, and each PRB set comprises P PRB couple, and so, in above execution mode, the size of first order bitmap is K, and the size of third level bitmap is P, and total expense is K+P bit.
To introduce a further execution mode of the present invention below, this execution mode is supported two groups of different ePDCCH, and the PRB at place is gathered and gather entirely not overlapping corresponding to the PRB of ePDCCH 2 to the PRB at place corresponding to the PRB of ePDCCH 1.
As shown in Figure 2, first, these 20 PRB to all PRB set 0 to 4 comprising in, the PRB at place is gathered with the PRB that first order bitmap identifies for transmitting ePDCCH.No matter be for ePDCCH 1 (ePDCCH 1) or ePDCCH 2 (ePDCCH 2) here, all in the scope of mark.As shown in Figure 2, in PRB set 0 to 4, PRB set 0 to 1 comprises that respectively a PRB is to for transmitting ePDCCH 1, and PRB set 2 to 3 comprises that respectively a PRB is to for transmitting ePDCCH 2, and PRB set 4 does not have.So, this bitmap is 11110.
The second, at PRB set 0-3 that identified by first order bitmap, for the PRB that transmits ePDCCH to place, identify respectively PRB set to place of PRB corresponding to ePDCCH 1 and the PRB set to place corresponding to the PRB of ePDCCH 2.One preferred embodiment in, identify with bitmap.This bitmap and 4 PRB sets match that identify in first order bitmap, comprise four bits, and each bit is one by one corresponding to PRB set 0 to 4.Each logic state of this bitmap represents that corresponding PRB set is corresponding to ePDCCH 1 or ePDCCH 2, and for example 0 represents to represent corresponding to ePDCCH2 corresponding to ePDCCH 1,1.The in the situation that of Fig. 2, second level bitmap should be 0011.Be appreciated that, each in the bitmap of the second level is successively corresponding to the indicated PRB set of first order bitmap, this relation of correspondence is successively logical categories, it can be physically continuous that the indicated PRB of first order bitmap is integrated into, also can separate, each in the bitmap of the second level successively corresponding PRB to be integrated into can be physically continuous or discrete PRB set.
And for each PRB set, the PRB of transmission ePDCCH is identical to the position in PRB set respectively, for example, as shown in the shaded block in Fig. 2, in each PRB set, be all that the 2nd PRB is to transmitting ePDCCH.The PRB that uses third level bitmap mark transmission ePDCCH to time, this third level bitmap is 0100.
Making the quantity of PRB set is K, and each PRB set comprises P PRB couple, and is ePDCCH
1 PRB distributing is to accounting for N
1individual PRB set, the PRB distributing for ePDCCH 2 is to accounting for N
2individual PRB set, so, in above execution mode, the size of first order bitmap is K, the size of second level bitmap is N
1+ N
2, the size of third level bitmap is P, total expense is K+N
1+ N
2+ P bit.
Preferably, be the situation that only has as shown in Figure 1 an ePDCCH group in order to express identified, still comprise as shown in Figure 2 the situation of two different ePDCCH groups, can use an extra bit to distinguish.
In the execution mode of Fig. 2, to less, more sparse for the PRB that transmits ePDCCH.In the execution mode of a variation, second of each PRB set and the 3rd PRB are to for transmitting ePDCCH, as shown in Figure 3.Correspondingly, first order bitmap is 11110, and second level bitmap is 0011, and third level bitmap is 0110.
One preferred embodiment in, 0 in this second level bitmap also indicated this ePDCCH 1 corresponding to localized transmission, 1 in this second level bitmap also indicated this ePDCCH 2 corresponding to distributed transmission.Certainly, this logical relation can change flexibly.
Making the quantity of PRB set is K, and each PRB set comprises P PRB couple, and for the PRB of ePDCCH1 distribution is to accounting for N
1individual PRB set, the PRB distributing for ePDCCH 2 is to accounting for N
2individual PRB set, so, in above execution mode, the size of first order bitmap is K, the size of second level bitmap is N
1+ N
2, the size of third level bitmap is P* (N
1+ N
2), total expense is K+ (1+P) * (N
1+ N
2) individual bit.
In above execution mode, the PRB of transmission ePDCCH is identical concerning the position in PRB set for each PRB.The in the situation that of a variation, the PRB of transmission ePDCCH can be the same or different for each PRB concerning the position in PRB set, so, and in order to identify this situation, in the execution mode of a variation:
In third level bitmap, respectively for each PRB set, identify wherein for transmitting the PRB couple of ePDCCH with different bitmaps.
As shown in Figure 4, second PRB of PRB set 0 to 1-3 PRB of PRB set 1 to transmitting ePDCCH 1; 1-2 PRB of PRB set 2 to 3-4 PRB of PRB set 3 to transmitting ePDCCH 2, third level bitmap is 0100,1110,1100,0011 so.Other first order bitmaps are identical with the execution mode shown in Fig. 2,3 with second level bitmap.
In a further situation, do not require the PRB set to place and entirely not overlapping to the PRB set at place corresponding to the PRB of ePDCCH 2 corresponding to the PRB of ePDCCH 1, they can be overlapping at least in part.So, use a second level bitmap to be just not enough to identify ePDCCH 1 and ePDCCH 2 simultaneously.So in a further execution mode of the present invention, second level bitmap comprises the first bitmap and the second bitmap, identify respectively corresponding to the PRB of ePDCCH 1 and the PRB at place is gathered and corresponding to the PRB of ePDCCH 2, the PRB at place is gathered.
As shown in Figure 5,2-3 PRB of PRB set 0 is to gathering 1 the 1st and 3 PRB to for transmitting ePDCCH 1 with PRB; And, the 3rd PRB of PRB set 1 to 1-2 PRB of, PRB set 2 to and PRB gather first PRB of 3 to for transmitting ePDCCH2.Wherein, the PRB set 1 that the PRB set 1 that ePDCCH 1 takies and ePDCCH 2 take exists overlapping; And the 3rd PRB in the PRB that wherein, ePDCCH 1 takies set 1 to the 3rd PRB in the PRB set 1 also taking with ePDCCH 2 to overlapping.
As shown in Figure 5, second level bitmap comprises two bitmaps, corresponds respectively to ePDCCH 1 and ePDCCH 2.PRB configuration mode based on above, the bitmap 1 of the corresponding ePDCCH 1 in the bitmap of the second level is 1100, the bitmap 2 of corresponding ePDCCH 2 is 0111.
Third level bitmap also comprises two bitmaps, corresponds respectively to ePDCCH 1 and ePDCCH 2.PRB configuration mode based on above.The bitmap of corresponding ePDCCH 1 in third level bitmap is 0110,1010, and the bitmap of corresponding ePDCCH 2 is 0010,1100,1000.
Making the quantity of PRB set is K, and each PRB set comprises P PRB couple, and for the PRB of ePDCCH1 distribution is to accounting for N
1individual PRB set, the PRB distributing for ePDCCH 2 is to accounting for N
2individual PRB set, so, in above execution mode, the size of first order bitmap is K, the size of second level bitmap is 2* (N
1+ N
2), the size of third level bitmap is 2*P* (N
1+ N
2), total expense is K+2* (1+P) * (N
1+ N
2) individual bit.
In the execution mode of Fig. 5, quantity 3 or difference that the quantity 2 of gathering corresponding to the PRB of ePDCCH 1 and the PRB corresponding to ePDCCH 2 gather.And in the execution mode of Fig. 2-4, the two is identical, be all 2.
Be appreciated that PRB set that the PRB set that takies as ePDCCH 1 and ePDCCH 2 take exists overlapping, but the PRB that they take respectively in this overlapping PRB gathers is not when overlapping, above execution mode also can be suitable for.
Preferably, ePDCCH 1 and ePDCCH 2 can both be corresponding to localized transmission or distributed transmission.Bitmap 1 in the bitmap of the second level is also with an extra logical bit, and this logical bit is used for representing that ePDCCH 1 is localized transmission or distributed transmission, and as shown in Figure 5, this logical bit is 0, represents that ePDCCH 1 is localized transmission.Bitmap 2 in the bitmap of the second level is also with an extra logical bit, and this logical bit is used for representing that ePDCCH 2 is localized transmission or distributed transmission, and as shown in Figure 5, this logical bit is 1, represents that ePDCCH 2 is distributed transmission.
It should be noted that, in the situation that not conflicting, the combination in any mutually of the feature in embodiment and embodiment in the application.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
One of ordinary skill in the art will appreciate that all or part of step in said method can carry out instruction related hardware by program and complete, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, the each module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Claims (13)
1. mark, for a method for the resource of transmitting control channel, wherein, is transmitted in this control channel some Resource Unit in resource entirety, and this resource entirety is divided into multiple resource collections, and the method comprises the steps:
I., in all resource collections that comprise in this resource entirety, mark is for the resource collection at the Resource Unit place of transmitting control channel;
Iii., in all Resource Units that comprise at this resource collection, mark is for the Resource Unit of transmitting control channel.
2. method according to claim 1, it is characterized in that, this control channel comprises first group of control channel and second group of control channel, this Resource Unit that is used for transmitting control channel comprises respectively and transmits the Resource Unit of first group of control channel and the Resource Unit of second group of control channel, and the method also comprises the steps:
Ii. at the resource collection at the Resource Unit place for transmitting control channel, identify respectively corresponding to the resource collection at the Resource Unit place of first group of control channel with corresponding to the resource collection at the Resource Unit place of second group of control channel.
3. method according to claim 2, is characterized in that, in described step I, identifies the resource collection for the Resource Unit place of transmitting control channel with first order bitmap; And/or,
In described step I i, identify with second level bitmap in the resource collection being identified by this first order bitmap, corresponding to the resource collection at the Resource Unit place of this first group of control channel with corresponding to the resource collection at the Resource Unit place of this second group of control channel; And/or,
In described step I ii, carry out the Resource Unit for transmitting control channel in identifying resource set with third level bitmap.
4. according to the method described in claim 1,2 or 3, it is characterized in that, the number of the Resource Unit that each resource collection comprises is identical, and respectively for each resource collection, the position of the Resource Unit of transmitting control channel in resource collection is identical,
In described step I ii, come to identify the wherein Resource Unit for transmitting control channel for each resource collection with single bitmap.
5. method according to claim 1 and 2, is characterized in that, for standby resource collection, the position of the Resource Unit of transmitting control channel in resource collection is identical or different respectively,
In described step I ii, respectively for each resource collection, identify the wherein Resource Unit for transmitting control channel with different bitmaps.
6. according to the method in claim 2 or 3, it is characterized in that, corresponding to the resource collection at the Resource Unit place of first group of control channel and entirely not overlapping corresponding to the resource collection at the Resource Unit place of second group of control channel,
Described step I i identifies corresponding to first group of control channel with corresponding to the resource collection at the resource place of second group of control channel with single bitmap, wherein, this bitmap is corresponding to the resource collection at the Resource Unit place for transmitting control channel identifying in described step I, the first logical value in this bitmap represents the resource collection at the Resource Unit place of first group of control channel, and the second logical value represents the resource collection at the Resource Unit place of second group of control channel.
7. according to the method in claim 2 or 3, it is characterized in that, not overlapping or overlapping at least partly corresponding to the resource collection at Resource Unit place of first group of control channel and the resource collection at the Resource Unit place of second group of control channel,
Described step I i identifies corresponding to the resource collection at the Resource Unit place of first group of control channel with corresponding to the resource collection at the Resource Unit place of second group of control channel with the first bitmap and the second bitmap respectively,
Wherein, this first bitmap is corresponding to the resource collection at the Resource Unit place for transmitting control channel identifying in described step I, and the first logical value is wherein corresponding to the resource collection at the Resource Unit place of first group of control channel; And this second bitmap is corresponding to the resource collection at the Resource Unit place for transmitting control channel identifying in described step I, the first logical value is wherein corresponding to the resource collection at the Resource Unit place of second group of control channel.
8. method according to claim 3, is characterized in that, first group of control channel and second group of control channel correspond respectively to a kind of and another kind of in localized transmission and distributed transmission,
In described step I i, the first logical value in this second level bitmap has also indicated this first group of control channel corresponding to localized transmission, and the second logical value in this second level bitmap has also indicated this second group of control channel corresponding to distributed transmission.
9. according to the method in claim 2 or 3, it is characterized in that, first group of control channel and second group of control channel be all corresponding to localized transmission or distributed transmission,
In described step I i, identify corresponding to the resource collection at the Resource Unit place of first group of control channel with corresponding to the resource collection at the Resource Unit place of second group of control channel with the first bitmap and the second bitmap respectively,
This first bitmap is also with the first logical bit, and this first logical bit is used for representing that this first group of control channel is localized transmission or distributed transmission; This second bitmap is also with the second logical bit, and this second logical bit is used for representing that this second group of control channel is localized transmission or distributed transmission.
10. according to the method in claim 2 or 3, it is characterized in that, identical with the quantity of the resource collection at the Resource Unit place corresponding to second group of control channel corresponding to the quantity of the resource collection at the Resource Unit place of first group of control channel, or different.
11. methods according to claim 3, is characterized in that, the method is carried out in base station equipment, and comprise step:
-described first order bitmap, second level bitmap and third level bitmap are all sent to subscriber equipment;
-on identified Resource Unit, transmit control channel;
And/or the method is carried out in subscriber equipment, and before described step I, ii and iii, also comprise step:
-reception is from described first order bitmap, second level bitmap and the third level bitmap of base station equipment;
-on identified Resource Unit, receive control channel.
12. methods according to claim 11, is characterized in that, the number of the Resource Unit that each resource collection comprises is identical, and,
This subscriber equipment is sent broadcast signaling and is known the frequency range of this resource entirety by base station equipment, this subscriber equipment is provided with the size of this Resource Unit in advance, and know the number of the Resource Unit comprising in each resource collection by base station equipment, thereby this subscriber equipment is identified for the actual corresponding spectrum position of the Resource Unit of transmitting control channel.
13. methods according to claim 12, is characterized in that, described control channel comprises the Physical Downlink Control Channel of enhancing, and described resource entirety comprises all resources for transmitting physical DSCH Downlink Shared Channel, and described Resource Unit comprises Physical Resource Block pair.
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