CN103517432B - Channel resource indicating method and device - Google Patents
Channel resource indicating method and device Download PDFInfo
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- CN103517432B CN103517432B CN201210222572.5A CN201210222572A CN103517432B CN 103517432 B CN103517432 B CN 103517432B CN 201210222572 A CN201210222572 A CN 201210222572A CN 103517432 B CN103517432 B CN 103517432B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a channel resource indicating method. The method comprises the steps that the channel resource indicating information of an ePDCCH is obtained; the channel resource indicating information is transmitted to user equipment; the channel resource indicating information comprises resource indicating fields of y bits; the resource indicating fields are used for indicating the position of resources used by the ePDCCH; y is a positive integer. The invention further discloses a base station and the user equipment. The channel resource indicating method and device can reduce the cost of control commands used for indicating the ePDCCH, and the power consumption of the user equipment is saved.
Description
Technical field
The present invention relates to communication technical field, more particularly, to a kind of channel resource indicating means and equipment.
Background technology
3gpp(3rd generation partnership project, the 3rd generation partner program) lte-arel-
10/11(long term evolution-advance rel-10/11, senior long term evolution the 10/11st version) it is lte
The enhancing of rel-8 technology, lte-a system has the bandwidth requirement higher than lte system, supports to be up to the peak value of 1gbits/s
According to speed.In order to meet the bandwidth requirement of lte-a, lte-a system is by ca(carrier aggregation, carrier convergence) skill
The method that art extends system bandwidth as it, and adopt mimo(multiple input multiple output in a large number, how defeated
Entering multi output, be also called multi-antenna technology) enhancement techniques and adaptive technique improve data transfer rate and systematic function.
In the system of version before lte-a rel-11, base station is in pdcch(physical downlink control
Channel, Physical Downlink Control Channel) upper carrying scheduling grant information, for dispatching pdsch(physical downlink
Shared channel, Physical Downlink Shared Channel) and pusch(physical uplink shared channel is physically
Row shared channel).Pdcch is generally disposed in the front 1-3 symbol of a subframe, and each pdcch uses one or more
Cce(control channel element, control channel unit) it is transmitted.The cce quantity that pdcch uses is referred to as al
(aggregation level converges rank), al can be 1,2,4 or 8.Due to ue(user equipment, user equipment)
Do not know the al of the pdcch corresponding to the dci being sent to oneself in advance, do not know yet and be sent to corresponding to the dci of oneself
The particular location of pdcch, thus ue needs just to can determine that the position of the pdcch corresponding to the dci being sent to oneself by blind Detecting
Put.
The information that pdcch carries is referred to as dci(downlink control information, and downlink controls letter
Breath), comprise the information such as resource allocation, the modulation demodulation system of pdsch or pusch in dci.Existing dci form includes dci
13 kinds of format 0/1/1a/1b/1c/1d/2/2a/2b/2c/3/3a/4 etc., wherein dci format 0/4 are used for dispatching
Pusch, referred to as uplink scheduling grant commands (ul grant), dciformat 1/1a/1b/1c/1d/2/2a/2b/2c is used for adjusting
Degree pdsch, referred to as descending scheduling grant commands (dl grant), dci format 3/3a is then used for the closed power of one group of ue
The instruction of control command.
In existing standard, the time-frequency resource allocating of downstream data channel pdsch has 3 types, respectively type0,
Type1 and type2, specific as follows:
The basic thought of type 0 is that multiple rb blocks (resource block, Resource Block) are formed a rbg
(resource block group, Resource Block group), indicates resource allocation by the way of bitmap bitmap, makes 1bit corresponding
Individual rbg, for indicating whether this rbg gives ue.The size (i.e. rb block number in rbg) of rbg is represented with p, the value of p with
System bandwidth is relevant.For example:Represent dl(downlink, descending) system bandwidth (the Resource Block rb number specially comprising)
It is 2 for 26, p, then the quantity of rbg is 13.
The mode that type 1 is also adopted by bitmap indicates resource allocation, but from unlike type 0, rb is pressed by type 1
Odd even is divided into different subsets subset, then using indicating by the way of bitmap whether the rb in a subset distributes to
ue.
Type 2 is a kind of centralized method of salary distribution, distributes to the continuous rb of mono- section of certain ue；The information of type2 instruction
Inclusion give the original position of running time-frequency resource of this ue and the length of running time-frequency resource.
In lte rel-11, introduce epdcch(enhanced physical downlink in pd sch region
Control channel, strengthens Physical Downlink Control Channel) inadequate to solve the problems, such as pdcch capacity.As shown in figure 1,
Epdcch adopts fdm(frequency division multiplexing, frequency division multiplexing) mode and pdsch be multiplexed.
The information of epdcch can carry out two grades of instructions by traditional pdcch, or is indicated by high-level signaling.Wherein,
Pdcch instruction belongs to dynamic instruction, may indicate that the position of the epdcch of present sub-frame in the pdcch of present sub-frame.And it is high-rise
Signaling (as mac ce or the instruction of rrc signaling) belongs to semi-static instruction, and update instruction information needs to expend longer time.
The existing resource distribution mode for pdsch, is not all suitable for the instruction of epdcch, is primarily present following asking
Topic:
1), the running time-frequency resource indicating mode of the pdsch of existing 3 types, can only indicate rb or rbg rank, and
Epdcch can only account for part cce in a rb, and that is, a rb can be multiplexed by the epdcch of multiple ue, and existing resource refers to
The mode of showing cannot know the exact position of epdcch.Even if although not indicating exact position, ue can also be obtained by blind Detecting
To epdcch, but blind Detecting is to compare power consumption if it is possible to accurately be indicated, will save the power consumption of ue.
Content of the invention
The many aspects of the embodiment of the present invention provide a kind of channel resource indicating means and equipment, can reduce for referring to
Show the expense of the control signaling of epdcch, and save the power consumption of user equipment.
The one side of the embodiment of the present invention provides a kind of channel resource indicating means, comprising:
Obtain the channel resource configured information strengthening Physical Downlink Control Channel epdcch；
Send described channel resource configured information to user equipment；
Wherein, described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating
The position of the resource that described epdcch is used；Y is positive integer.
The embodiment of the present invention another aspect provides a kind of channel resource indicating means, comprising:
Receive the channel resource configured information of the enhancing Physical Downlink Control Channel epdcch that base station sends；Wherein, described
Channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating that described epdcch is used
Resource position；Y is positive integer；
The resource that described epdcch uses is determined according to described channel resource configured information.
The embodiment of the present invention another aspect provides a kind of base station, comprising:
Instruction acquiring unit, for obtaining the channel resource configured information strengthening Physical Downlink Control Channel epdcch；With,
Instruction transmitting element, for sending described channel resource configured information to user equipment；
Wherein, described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating
The position of the resource that described epdcch is used；Y is positive integer.
The embodiment of the present invention another aspect provides a kind of user equipment, comprising:
Instruction receiving unit, the channel resource for receiving the enhancing Physical Downlink Control Channel epdcch of base station transmission refers to
Show information；Wherein, described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating
The position of the resource that described epdcch is used；Y is positive integer；With,
Resource determining unit, for determining, according to described channel resource configured information, the resource that described epdcch uses.
Channel resource indicating means provided in an embodiment of the present invention, base station and user equipment, indicate letter using channel resource
The position of the resource that breath instruction epdcch uses, can reduce the expense of the control signaling for indicating epdcch, and reduce use
Family equipment carries out the number of times of blind Detecting to epdcch, saves the power consumption of user equipment.
Brief description
Fig. 1 is the schematic diagram of epdcch and pdsch multiplexing in prior art；
Fig. 2 is a kind of schematic flow sheet of channel resource indicating means in the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of another kind of channel resource indicating means in the embodiment of the present invention；
Fig. 4 is a kind of structural representation of base station in the embodiment of the present invention；
Fig. 5 is a kind of structural representation of user equipment in the embodiment of the present invention；
Fig. 6 is the structural representation of an embodiment of the resource determining unit of the user equipment shown in Fig. 5；
Fig. 7 is the structural representation of another embodiment of resource determining unit of the user equipment shown in Fig. 5；
Fig. 8 is the structural representation of another embodiment of resource determining unit of the user equipment shown in Fig. 5.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 2, the present embodiment provides a kind of channel resource indicating means, comprises the following steps:
S21, acquisition strengthen the channel resource configured information of Physical Downlink Control Channel epdcch.
S22, to user equipment send described channel resource configured information.
Wherein, described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating
The position of the resource that described epdcch is used；Y is positive integer.
The channel resource configured information of described enhancing Physical Downlink Control Channel epdcch is in Physical Downlink Control Channel
Pdcch carries, or is carried by high-level signaling；Described high-level signaling includes mac(medium access control, and media connect
Enter to control) ce(control element, control unit) signaling or rrc(radio resource control, Radio Resource
Control) signaling, or other signaling.
It should be noted that above-mentioned steps s21 ~ s22 can be executed by base station, described channel resource configured information is by base station
It is handed down to user equipment.Certainly, above-mentioned steps s21 ~ s22 can also be executed by the equipment with base station functions.Work as user equipment
After receiving described channel resource configured information, the money that epdcch uses can be determined according to described channel resource configured information
Source.
Wherein, described resource instructions field can indicate that described epdcch is multiplexed in Physical Downlink Shared Channel pdsch when institute
The resource location using.The position of the resource that described epdcch is used includes the position of Resource Block group rbg that epdcch is used
Put, the position of the position of Resource Block rb or cce.
The embodiment of the present invention can not limit the levels of precision of epdcch resource instruction, and resource instructions field can only indicate
Rbg scope that epdcch resource is located, rb scope or cce scope, it is allowed to user in the range of the blind-detection capability of user equipment
Equipment carries out blind Detecting in the rbg scope that described resource instructions field indicates, rb scope or cce scope, to determine epdcch institute
The particular location of the cce using.
In an optional embodiment, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending
Can be used for carrying the quantity of the rb of described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolExpression is more than
Or it is equal to the smallest positive integral of a.
Assume k=4, have 4 cce in a rb, then can be used for epdcch's from descendingChoose 4 cce's in individual rb
Probability is total up toOnly need toBit just can indicate that the position range of the cce that epdcch takies.
In the resource instructions field of y bit, the different resources pattern of different value correspondences.For example, al=1,
ncce=4, then the use of 2(being y=2) the resource instructions field of bit indicates the resource location of cce that epdcch is used.When resource refers to
When to show domain be 00, represent that the cce that epdcch is used is first cce of rb；When resource instructions field is 01, represent epdcch
The cce being used is second cce of rb；When resource instructions field is 10, represent that the cce that epdcch is used is the 3rd of rb
Individual cce；When resource instructions field is 11, represent that the cce that epdcch is used is the 4th cce of rb.
When bit number y shared by when resource instructions field is above-mentioned formula (1), can indicate that the rbg's that epdcch uses
Position range.
When bit number y shared by when resource instructions field is above-mentioned formula (2), can indicate that the position of the rb that epdcch uses
Put scope.
When bit number y shared by when resource instructions field is above-mentioned formula (3), can indicate that the cce's that epdcch uses
Position range.
After user equipment obtains the resource instructions field of above-mentioned formula (1), (2) or (3), using the possible convergence of epdcch
Rank al(al represents the quantity of the cce that epdcch uses, and such as al may be 1,2,4 or 8) in above-mentioned resource instructions field indication
Carry out blind Detecting in the position range of the position range of the rbg showing, the position range of rb or cce, can determine described epdcch
The particular location of the cce using.
The resource indicating method that the present embodiment provides, the resource instructions field comprising in channel resource configured information, only indicate
The position range of the position range of rbg, the position range of rb or cce that are located to epdcch resource, in the blind check of user equipment
Survey in limit of power it is allowed to the position range of rbg indicated by described resource instructions field for the user equipment, the position range of rb or
Carrying out blind Detecting in the position range of cce, the bit of resource instructions field occupancy being reduced, thus reducing for indicating epdcch
Control signaling expense.
Further, the channel resource configured information of described epdcch also includes the convergence rank instructions field of x bit；Described
Converge the quantity of the control channel unit cce that rank instructions field is used for indicating that described epdcch uses；X is positive integer.
Optionally,Converge the cce quantity that rank al represents that epdcch uses, mathematical symbolRepresent
Smallest positive integral more than or equal to a.For example, it is assumed that al can be 1,2,4 or 8, now channel resource configured information includes 2(is y
=2) the convergence rank instructions field of bit.When converging rank instructions field for 00, represent that the al of epdcch is 1；Refer to when converging rank
When to show domain be 01, represent that the al of epdcch is 2；When converging rank instructions field for 10, represent that the al of epdcch is 4；Work as convergence
When rank instructions field is 11, represent that the al of epdcch is 8.
It should be noted that the present invention only by al can for as a example 1,2,4 or 8 to the collocation method converging rank instructions field
Illustrate, in the middle of being embodied as, al is also possible to be other numerical value.
The embodiment of the present invention, using converging the cce quantity that rank instructions field indicates that epdcch uses, makes user equipment be not required to
To determine the cce quantity that epdcch uses by blind Detecting, the power consumption of user equipment can be saved.For example, work as user equipment
By the resource instructions field of above-mentioned formula (1), (2) or (3), determine the position range of rbg, the position of rb at epdcch resource place
Put the position range of scope or cce, and can determine the convergence rank al(such as al=of epdcch by converging rank instructions field
4) after, this user equipment can directly using determine al value in the position range of above-mentioned rbg, the position range of rb or cce
Position range in detected, to obtain the particular location of the cce that described epdcch uses, so can reduce user equipment
Carry out the number of times of blind Detecting, thus saving the power consumption of user equipment.
Additionally, the embodiment of the present invention can also accurately indicate what epdcch was used in channel resource configured information
The particular location of cce, it is not necessary to carry out blind Detecting after the user equipment described channel resource configured information of acquisition, you can determine
The particular location of the cce resource that epdcch uses, therefore, it is possible to save the power consumption of user equipment.
In another optional embodiment, the resource that described epdcch uses is located at least one descending rb,
Or be located in a descending rb,
Or be located in two descending rb, and the position of the cce being used by described epdcch in described two rb is identical,
Wherein, al is the quantity of the cce that described epdcch uses,It is descending to can be used for carrying the rb of described epdcch
Quantity, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent the smallest positive integral more than or equal to a.
And, the channel resource configured information of described epdcch also includes the convergence rank instructions field of x bit；Described convergence
Rank instructions field is used for indicating the quantity of the cce of described epdcch use；X is positive integer.
When the al of epdcch is 1 or 2, the method for application above-mentioned formula (4), optional one from possible all cce
Or two cce are used for carrying epdcch, two cce continuously or discontinuously, if two cce are discontinuously can be obtained in that frequency
Domain diversity gain.This is because two cce have differences on frequency domain, and the channel fading that different frequencies is passed through is different, different
Frequency experiences the deep probability declining simultaneously and reduces, thus obtaining certain diversity gain.
When the al of epdcch is more than or equal to 4, the method for application above-mentioned formula (4) or (5), limit epdcch's
Cce can only select from one or two rb, and the location comparison of the cce of epdcch can be made to concentrate.
The resource indicating method that the present embodiment provides, comprises in channel resource configured information to converge rank instructions field and resource
Instructions field, and when the bit number y shared by resource instructions field is above-mentioned formula (4), (5) or (6), can accurately indicate
The particular location of the cce that epdcch uses.User equipment is tabled look-up according to the value of described resource instructions field or is carried out fortune of deriving
Calculate, the particular location being obtained in that the cce that epdcch uses, it is not necessary to carry out blind Detecting, can save the power consumption of user equipment.
Referring to Fig. 3, the present embodiment provides another kind of channel resource indicating means, comprises the following steps:
The channel resource configured information of the enhancing Physical Downlink Control Channel epdcch that s31, reception base station send；Wherein,
Described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating described epdcch institute
The position of the resource using；Y is positive integer.
S32, determine the resource that described epdcch uses according to described channel resource configured information.
It should be noted that above-mentioned steps s31 ~ s32 can be executed by user equipment, described channel resource configured information by
User equipment is handed down in base station.Certainly, above-mentioned steps s31 ~ s32 can also be executed by the equipment with user device function.
Wherein, described resource instructions field can indicate that described epdcch is multiplexed in Physical Downlink Shared Channel pdsch when institute
The resource location using.The position of the resource that described epdcch is used includes the position of Resource Block group rbg that epdcch is used
Put, the position of the position of Resource Block rb or control channel unit cce.
In an optional embodiment, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending
Can be used for carrying the quantity of the rb of described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolExpression is more than
Or it is equal to the smallest positive integral of a.
Then in above-mentioned steps s32, the described money determining described epdcch use according to described channel resource configured information
Source, comprising:
According to the value query resource allocation list of described resource instructions field, or pushed away according to the value of described resource instructions field
Lead computing, obtain the position of the position range of Resource Block group rbg, the position range of Resource Block rb or cce that described epdcch uses
Put scope；
According to described epdcch the quantity of cce that may use, in the position model of the position range of described rbg, rb
Enclose or the position range of cce in carry out blind Detecting, determine the position of the cce that described epdcch uses.
Wherein, described resource distribution table includes each value and the corresponding money of each value described in the different value of resource instructions field
The binding information of source position.When being embodied as, above-mentioned resource distribution table can be pre-configured with according to actual needs.
Optionally, when carrying out derivation operation according to the value of described resource instructions field, the algorithm being used can be best m
(optimal m value) algorithm or the optimal n value of top n() algorithm etc..
The resource indicating method that the present embodiment provides, comprises in channel resource configured information to converge rank instructions field and resource
Instructions field, when user equipment determines the position range of the rbg at epdcch resource place, the position of rb by described resource instructions field
Scope or the position range of cce, and after convergence rank instructions field determines convergence rank al of epdcch, this user equipment can
Examined in the position range of the position range of above-mentioned rbg, the position range of rb or cce using the al value determining with direct
Survey, to obtain the particular location of the cce that described epdcch uses, so can reduce the number of times that user equipment carries out blind Detecting,
Thus saving the power consumption of user equipment.
In another optional embodiment, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending
Can be used for carrying the quantity of the rb of described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolExpression is more than
Or it is equal to the smallest positive integral of a.
And, the channel resource configured information of described epdcch also includes the convergence rank instructions field of x bit；Described convergence
Rank instructions field is used for indicating the quantity of the cce of described epdcch use；X is positive integer；
Then in above-mentioned steps s32, the described money determining described epdcch use according to described channel resource configured information
Source, comprising:
According to the described value converging rank instructions field, determine the quantity of the cce that described epdcch uses；
According to the value query resource allocation list of described resource instructions field, or pushed away according to the value of described resource instructions field
Lead computing, obtain the position range of the position range of rbg, the position range of rb or cce that described epdcch uses；Described resource
Allocation list includes the binding information of each value and the corresponding resource location of each value described in the different value of resource instructions field；
The quantity of the cce being used according to described epdcch, in the position range of described rbg, the position range of rb or cce
Detected in position range, determined the position of the cce that described epdcch uses.
The embodiment of the present invention, using converging the cce quantity that rank instructions field indicates that epdcch uses, makes user equipment be not required to
To determine the cce quantity that epdcch uses by blind Detecting, the power consumption of user equipment can be saved.For example, work as user equipment
By the resource instructions field of above-mentioned formula (1), (2) or (3), determine the position range of rbg, the position of rb at epdcch resource place
Put the position range of scope or cce, and can determine the convergence rank al(such as al=of epdcch by converging rank instructions field
4) after, this user equipment can directly using determine al value in the position range of above-mentioned rbg, the position range of rb or cce
Position range in detected, to obtain the particular location of the cce that described epdcch uses, so can reduce user equipment
Carry out the number of times of blind Detecting, thus saving the power consumption of user equipment.
In yet another alternative embodiment, the resource that described epdcch uses is located at least one descending rb,
Or be located in a descending rb,
Or be located in two descending rb, and the position of the cce being used by described epdcch in described two rb is identical,
Wherein, al is the quantity of the cce that described epdcch uses,It is descending to can be used for carrying the rb of described epdcch
Quantity, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent the smallest positive integral more than or equal to a.
And, the channel resource configured information of described epdcch also includes the convergence rank instructions field of x bit；Described convergence
Rank instructions field is used for indicating the quantity of the cce of described epdcch use；X is positive integer；
Then in above-mentioned steps s32, the described money determining described epdcch use according to described channel resource configured information
Source, comprising:
According to the described value converging rank instructions field, determine the quantity of the cce that described epdcch uses, obtain described al's
Value；
According to the value of described al, calculate the value obtaining described resource instructions field；
According to the value query resource allocation list of described resource instructions field, or pushed away according to the value of described resource instructions field
Lead computing, obtain the position of the cce that described epdcch uses；Described resource distribution table includes every in the different value of resource instructions field
Individual value and the binding information of each corresponding resource location of value described.
The resource indicating method that the present embodiment provides, comprises in channel resource configured information to converge rank instructions field and resource
Instructions field, user equipment is tabled look-up according to the value of described convergence rank instructions field and resource instructions field or is carried out derivation operation,
The particular location being obtained in that the cce that epdcch uses, it is not necessary to carry out blind Detecting, can save the power consumption of user equipment.
The embodiment of the present invention also provides a kind of base station, is capable of the channel resource instruction side in the embodiment of above-mentioned Fig. 2
Method.
Referring to Fig. 4, the present embodiment provides a kind of base station, including indicating acquiring unit 41 and instruction transmitting element 42, specifically
As follows:
Instruction acquiring unit 41, for obtaining the channel resource configured information strengthening Physical Downlink Control Channel epdcch.
Instruction transmitting element 42, for sending described channel resource configured information to user equipment.
Wherein, described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating
The position of the resource that described epdcch is used；Y is positive integer.
Further, the channel resource configured information of described epdcch also includes the convergence rank instructions field of x bit；Described
Converge the quantity of the control channel unit cce that rank instructions field is used for indicating that described epdcch uses；X is positive integer.
Described resource instructions field can indicate that what described epdcch multiplexing was used in Physical Downlink Shared Channel pdsch
Resource location.The position of the resource that described epdcch is used includes the position of Resource Block group rbg, the resource that epdcch is used
The position of block rb or the position of cce.
The channel resource configured information of described enhancing Physical Downlink Control Channel epdcch is in Physical Downlink Control Channel
Pdcch carries, or is carried by high-level signaling；Described high-level signaling includes mac ce signaling or rrc signaling.
In an optional embodiment, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending
Can be used for carrying the quantity of the rb of described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolExpression is more than
Or it is equal to the smallest positive integral of a.
In another optional embodiment, the resource that described epdcch uses is located at least one descending rb,
Or be located in a descending rb,
Or be located in two descending rb, and the position of the cce being used by described epdcch in described two rb is identical,
Wherein, al is the quantity of the cce that described epdcch uses,It is descending to can be used for carrying the rb of described epdcch
Quantity, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent the smallest positive integral more than or equal to a.
The embodiment of the present invention also provides a kind of user equipment, and the channel resource being capable of in the embodiment of above-mentioned Fig. 3 refers to
Show method.
Referring to Fig. 5, the present embodiment provides a kind of user equipment, including instruction receiving unit 51 and resource determining unit 52,
Specific as follows:
Instruction receiving unit 51, for receiving the channel resource of the enhancing Physical Downlink Control Channel epdcch of base station transmission
Configured information；Wherein, described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for referring to
Show the position of the resource that described epdcch is used；Y is positive integer.
Resource determining unit 52, for determining, according to described channel resource configured information, the resource that described epdcch uses.
Wherein, described resource instructions field can indicate that described epdcch is multiplexed in Physical Downlink Shared Channel pdsch when institute
The resource location using.The position of the resource that described epdcch is used includes the position of Resource Block group rbg that epdcch is used
Put, the position of the position of Resource Block rb or cce.
In an optional embodiment, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending
Can be used for carrying the quantity of the rb of described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolExpression is more than
Or it is equal to the smallest positive integral of a.
Referring to Fig. 6, the present embodiment provides a kind of resource determining unit, including the first scope determination subelement 61 and the first inspection
Survey subelement 62, as follows:
First scope determination subelement 61, according to the value query resource allocation list of described resource instructions field, or according to institute
The value stating resource instructions field carries out derivation operation, obtains the position range of Resource Block group rbg, the position of rb that described epdcch uses
Put the position range of scope or cce；Described resource distribution table include in the different value of resource instructions field each value and described each
It is worth the binding information of corresponding resource location.
First detection sub-unit 62, for according to described epdcch may use cce quantity, in described rbg
Position range, carry out blind Detecting in the position range of rb or the position range of cce, determine the cce's that described epdcch uses
Position.
In another optional embodiment, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending
Can be used for carrying the quantity of the rb of described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolExpression is more than
Or it is equal to the smallest positive integral of a.
And, the channel resource configured information of described epdcch also includes the convergence rank instructions field of x bit；Described convergence
Rank instructions field is used for indicating the quantity of the cce of described epdcch use；X is positive integer.
Referring to Fig. 7, the present embodiment provides another kind of resource determining unit, including convergence rank determination subelement 71, second
Scope determination subelement 72 and the second detection sub-unit 73 are as follows:
Converge rank determination subelement 71, for according to the described value converging rank instructions field, determining that described epdcch makes
The quantity of cce.
Second scope determination subelement 72, for the value query resource allocation list according to described resource instructions field, or root
Carry out derivation operation according to the value of described resource instructions field, obtain the position range of rbg, the position model of rb that described epdcch uses
Enclose or cce position range；Described resource distribution table includes each value and each value pair described in the different value of resource instructions field
The binding information of the resource location answered.
Second detection sub-unit 73, the quantity of the cce for being used according to described epdcch, in the position model of described rbg
Enclose, detected in the position range of the position range of rb or cce, determine the position of the cce that described epdcch uses.
In yet another alternative embodiment, the resource that described epdcch uses is located at least one descending rb,
Or be located in a descending rb,
Or be located in two descending rb, and the position of the cce being used by described epdcch in described two rb is identical,
Wherein, al is the quantity of the cce that described epdcch uses,It is descending to can be used for carrying the rb of described epdcch
Quantity, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent the smallest positive integral more than or equal to a.
And, the channel resource configured information of described epdcch also includes the convergence rank instructions field of x bit；Described convergence
Rank instructions field is used for indicating the quantity of the cce of described epdcch use；X is positive integer.
Referring to Fig. 8, the present embodiment provides another resource determining unit, including convergence rank determination subelement 81, resource
Instruction determination subelement 82 and resource obtain subelement 83, as follows:
Converge rank determination subelement 81, for according to the described value converging rank instructions field, determining that described epdcch makes
The quantity of cce, obtains the value of described al.
Resource indicates determination subelement 82, for the value according to described al, calculates the value obtaining described resource instructions field.
Resource obtains subelement 83, for the value query resource allocation list according to described resource instructions field, or according to institute
The value stating resource instructions field carries out derivation operation, obtains the position of the cce that described epdcch uses；Described resource distribution table includes
The binding information of each value and each corresponding resource location of value described in the different value of resource instructions field.
Channel resource indicating means provided in an embodiment of the present invention, base station and user equipment, indicate letter using channel resource
The position of the resource that breath instruction epdcch uses, can reduce the expense of the control signaling for indicating epdcch, and reduce use
Family equipment carries out the number of times of blind Detecting to epdcch, saves the power consumption of user equipment.
One of ordinary skill in the art will appreciate that realizing all or part of flow process in above-described embodiment method, it is permissible
Instruct related hardware to complete by computer program, described program can be stored in a computer read/write memory medium
In, this program is upon execution, it may include as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (read-only memory, rom) or random access memory (random access
Memory, ram) etc..
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (20)
1. a kind of channel resource indicating means is it is characterised in that include:
Obtain the channel resource configured information strengthening Physical Downlink Control Channel epdcch；
Send described channel resource configured information to user equipment；
Wherein, described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating described
The position of the resource that epdcch is used；Y is positive integer；
Wherein, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending can use
In the quantity of the rb carrying described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent more than or wait
Smallest positive integral in a；
Or,
The resource that described epdcch uses is located at least one descending rb,
Or be located in a descending rb,
Or be located in two descending rb, and the position in described two rb is identical,
Wherein, al is the quantity of the cce that described epdcch uses,It is descending to can be used for carrying the number of the rb of described epdcch
Amount, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent the smallest positive integral more than or equal to a.
2. channel resource indicating means as claimed in claim 1 is it is characterised in that the channel resource instruction of described epdcch is believed
Breath also includes the convergence rank instructions field of x bit；
The described quantity converging the control channel unit cce that rank instructions field is used for indicating that described epdcch uses；X is just whole
Number.
3. channel resource indicating means as claimed in claim 1 or 2 is it is characterised in that the resource that used of described epdcch
Position include the position of the position of Resource Block group rbg, the position of Resource Block rb or cce that epdcch is used.
4. the channel resource indicating means as described in any one of claim 1～2 it is characterised in that
Described channel resource configured information carries in Physical Downlink Control Channel pdcch, or is carried by high-level signaling；
Described high-level signaling includes medium education mac control unit ce signaling or wireless heterogeneous networks rrc signaling.
5. channel resource indicating means as claimed in claim 3 it is characterised in that
Described channel resource configured information carries in Physical Downlink Control Channel pdcch, or is carried by high-level signaling；
Described high-level signaling includes medium education mac control unit ce signaling or wireless heterogeneous networks rrc signaling.
6. a kind of channel resource indicating means is it is characterised in that include:
Receive the channel resource configured information of the enhancing Physical Downlink Control Channel epdcch that base station sends；Wherein, described channel
Resource indication information includes the resource instructions field of y bit；Described resource instructions field is used for indicating the money that described epdcch is used
The position in source；Y is positive integer；
The resource that described epdcch uses is determined according to described channel resource configured information；
Wherein, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending can use
In the quantity of the rb carrying described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent more than or wait
Smallest positive integral in a；
Or,
The resource that described epdcch uses is located at least one descending rb,
Or be located in a descending rb,
Or be located in two descending rb, and the position in described two rb is identical,
Wherein, al is the quantity of the cce that described epdcch uses,It is descending to can be used for carrying the number of the rb of described epdcch
Amount, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent the smallest positive integral more than or equal to a.
7. channel resource indicating means as claimed in claim 6 is it is characterised in that the position of resource that used of described epdcch
Put the position of the position, the position of Resource Block rb or control channel unit cce of Resource Block group rbg being used including epdcch.
8. channel resource indicating means as claimed in claims 6 or 7 is it is characterised in that described refer to according to described channel resource
Show that information determines the resource that described epdcch uses, comprising:
According to the value query resource allocation list of described resource instructions field, or fortune of deriving is carried out according to the value of described resource instructions field
Calculate, obtain the position model of the position range of Resource Block group rbg, the position range of Resource Block rb or cce that described epdcch uses
Enclose；Described resource distribution table includes tying up of each value and the described corresponding resource location of each value in the different value of resource instructions field
Determine information；
According to described epdcch may use cce quantity, the position range of described rbg, the position range of rb or
Carry out blind Detecting in the position range of cce, determine the position of the cce that described epdcch uses.
9. channel resource indicating means as claimed in claim 8 is it is characterised in that the channel resource of described epdcch indicates
Information also includes the convergence rank instructions field of x bit；The described rank instructions field that converges is used for indicating the control that described epdcch uses
The quantity of Channel Elements cce processed；X is positive integer；
The then described resource determining described epdcch use according to described channel resource configured information, comprising:
According to the described value converging rank instructions field, determine the quantity of the cce that described epdcch uses；
According to the value query resource allocation list of described resource instructions field, or fortune of deriving is carried out according to the value of described resource instructions field
Calculate, obtain the position range of the position range of rbg, the position range of rb or cce that described epdcch uses；Described resource distribution
Table includes the binding information of each value and the corresponding resource location of each value described in the different value of resource instructions field；
The quantity of the cce being used according to described epdcch, in the position of the position range of described rbg, the position range of rb or cce
In the range of detected, determine the position of the cce that described epdcch uses.
10. channel resource indicating means as claimed in claims 6 or 7 is it is characterised in that the channel resource of described epdcch refers to
Show that information also includes the convergence rank instructions field of x bit；The described rank instructions field that converges is used for indicating what described epdcch used
The quantity of control channel unit cce；X is positive integer；
The then described resource determining described epdcch use according to described channel resource configured information, comprising:
According to the described value converging rank instructions field, determine the quantity of the cce that described epdcch uses, obtain the value of described al；
According to the value of described al, calculate the value obtaining described resource instructions field；
According to the value query resource allocation list of described resource instructions field, or fortune of deriving is carried out according to the value of described resource instructions field
Calculate, obtain the position of the cce that described epdcch uses；Described resource distribution table includes each value in the different value of resource instructions field
Binding information with each corresponding resource location of value described.
A kind of 11. base stations are it is characterised in that include:
Instruction acquiring unit, for obtaining the channel resource configured information strengthening Physical Downlink Control Channel epdcch；With,
Instruction transmitting element, for sending described channel resource configured information to user equipment；
Wherein, described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating institute
State the position of the resource that epdcch is used；Y is positive integer；
Wherein, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending can use
In the quantity of the rb carrying described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent more than or wait
Smallest positive integral in a；
Or,
The resource that described epdcch uses is located at least one descending rb,
Or be located in a descending rb,
Or be located in two descending rb, and the position in described two rb is identical,
Wherein, al is the quantity of the cce that described epdcch uses,It is descending to can be used for carrying the number of the rb of described epdcch
Amount, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent the smallest positive integral more than or equal to a.
12. base stations as claimed in claim 11 are it is characterised in that the channel resource configured information of described epdcch also includes x
The convergence rank instructions field of bit；
The described quantity converging the control channel unit cce that rank instructions field is used for indicating that described epdcch uses；X is just whole
Number.
13. base stations as described in claim 11 or 12 are it is characterised in that the position of resource that described epdcch is used includes
The position of the position of Resource Block group rbg, the position of Resource Block rb or cce that epdcch is used.
14. base stations as described in any one of claim 11～12 it is characterised in that
Described channel resource configured information carries in Physical Downlink Control Channel pdcch, or is carried by high-level signaling；
Described high-level signaling includes medium education mac control unit ce signaling or wireless heterogeneous networks rrc signaling.
15. base stations as claimed in claim 13 it is characterised in that
Described channel resource configured information carries in Physical Downlink Control Channel pdcch, or is carried by high-level signaling；
Described high-level signaling includes medium education mac control unit ce signaling or wireless heterogeneous networks rrc signaling.
A kind of 16. user equipmenies are it is characterised in that include:
Instruction receiving unit, for receiving the channel resource instruction letter of the enhancing Physical Downlink Control Channel epdcch of base station transmission
Breath；Wherein, described channel resource configured information includes the resource instructions field of y bit；Described resource instructions field is used for indicating described
The position of the resource that epdcch is used；Y is positive integer；With,
Resource determining unit, for determining, according to described channel resource configured information, the resource that described epdcch uses；
Wherein, the resource that described epdcch uses is located in k descending rbg,
Or be located in k descending rb,
Or be located in k descending cce,
Wherein, k is positive integer,Be descending can be used for carrying the quantity of the rbg of described epdcch,It is descending can use
In the quantity of the rb carrying described epdcch, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent more than or wait
Smallest positive integral in a；
Or,
The resource that described epdcch uses is located at least one descending rb,
Or be located in a descending rb,
Or be located in two descending rb, and the position of the cce being used by described epdcch in described two rb is identical,
Wherein, al is the quantity of the cce that described epdcch uses,It is descending to can be used for carrying the number of the rb of described epdcch
Amount, ncceIt is the quantity of the cce that a rb comprises, mathematical symbolRepresent the smallest positive integral more than or equal to a.
17. user equipmenies as claimed in claim 16 are it is characterised in that the position of resource that described epdcch is used includes
The position of the position of Resource Block group rbg, the position of Resource Block rb or control channel unit cce that epdcch is used.
18. such as claim 16 or 17 user equipmenies stated are it is characterised in that described resource determining unit includes:
First scope determination subelement, according to the value query resource allocation list of described resource instructions field, or according to described resource
The value of instructions field carries out derivation operation, obtains the position range of Resource Block group rbg, the position range of rb that described epdcch uses
Or the position range of cce；It is corresponding with each value described that described resource distribution table includes each value in the different value of resource instructions field
Resource location binding information；With,
First detection sub-unit, for according to described epdcch may use cce quantity, in the position of described rbg
Carry out blind Detecting in the position range of scope, the position range of rb or cce, determine the position of the cce that described epdcch uses.
19. user equipmenies as described in claim 16 or 17 are it is characterised in that the channel resource configured information of described epdcch
Also include the convergence rank instructions field of x bit；The described number converging the cce that rank instructions field is used for indicating that described epdcch uses
Amount；X is positive integer；
Then described resource determining unit includes:
Converge rank determination subelement, for according to the described value converging rank instructions field, determining what described epdcch used
The quantity of cce；
Second scope determination subelement, for the value query resource allocation list according to described resource instructions field, or according to described
The value of resource instructions field carries out derivation operation, obtain the position range of rbg that described epdcch uses, the position range of rb or
The position range of cce；It is corresponding that described resource distribution table includes each value and each value described in the different value of resource instructions field
The binding information of resource location；With,
Second detection sub-unit, the quantity of the cce for being used according to described epdcch, in the position range of described rbg, rb
Detected in the position range of position range or cce, determined the position of the cce that described epdcch uses.
20. user equipmenies as described in claim 16 or 17 are it is characterised in that the channel resource configured information of described epdcch
Also include the convergence rank instructions field of x bit；The described number converging the cce that rank instructions field is used for indicating that described epdcch uses
Amount；X is positive integer；
Then described resource determining unit includes:
Converge rank determination subelement, for according to the described value converging rank instructions field, determining the cce that described epdcch uses
Quantity, obtain described al value；
Resource indicates determination subelement, for the value according to described al, calculates the value obtaining described resource instructions field；With,
Resource obtains subelement, for the value query resource allocation list according to described resource instructions field, or according to described resource
The value of instructions field carries out derivation operation, obtains the position of the cce that described epdcch uses；Described resource distribution table includes resource and refers to
Show the binding information of each value and the corresponding resource location of each value described in the different value in domain.
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| CN201210222572.5A CN103517432B (en) | 2012-06-29 | 2012-06-29 | Channel resource indicating method and device |
| PCT/CN2013/075103 WO2014000507A1 (en) | 2012-06-29 | 2013-05-03 | Method and device for indicating channel resources |
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| CN201210222572.5A CN103517432B (en) | 2012-06-29 | 2012-06-29 | Channel resource indicating method and device |
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| US9868482B2 (en) | 2014-10-29 | 2018-01-16 | Caterpillar Inc. | Track roller assembly with a wear measurement system |
| US9592866B2 (en) | 2014-11-06 | 2017-03-14 | Caterpillar Inc. | Track assembly having a wear monitoring system |
| US9557244B2 (en) | 2014-11-10 | 2017-01-31 | Caterpillar Inc. | Thrust bias detection system |
| US9371630B1 (en) | 2014-12-19 | 2016-06-21 | Caterpillar Inc. | Determination of undercarriage idler and roller wear based on final drive speed |
| WO2017193559A1 (en) * | 2016-05-12 | 2017-11-16 | 华为技术有限公司 | Data transmission method and apparatus |
| EP3550912B1 (en) | 2017-01-05 | 2021-07-07 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Information transmission method and terminal device |
| CN111095841B (en) * | 2017-09-11 | 2021-10-15 | 中兴通讯股份有限公司 | Method and apparatus for control channel information transmission |
| JP7092195B2 (en) * | 2017-11-16 | 2022-06-28 | 日本電気株式会社 | Methods and devices for resource allocation in the control resource area |
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| CN101478808A (en) * | 2009-01-21 | 2009-07-08 | 中兴通讯股份有限公司 | Downlink control information sending and detecting method |
| CN101801090A (en) * | 2009-02-05 | 2010-08-11 | 大唐移动通信设备有限公司 | Method for configuring physical downlink control channel, base station and user equipment |
| CN102170703A (en) * | 2011-05-11 | 2011-08-31 | 电信科学技术研究院 | Method for receiving and transmitting information on physical downlink control channel and equipment thereof |
| CN102202400A (en) * | 2011-05-31 | 2011-09-28 | 电信科学技术研究院 | Instruction and processing method and device for resource occupancy mode |
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| CN101478808A (en) * | 2009-01-21 | 2009-07-08 | 中兴通讯股份有限公司 | Downlink control information sending and detecting method |
| CN101801090A (en) * | 2009-02-05 | 2010-08-11 | 大唐移动通信设备有限公司 | Method for configuring physical downlink control channel, base station and user equipment |
| CN102170703A (en) * | 2011-05-11 | 2011-08-31 | 电信科学技术研究院 | Method for receiving and transmitting information on physical downlink control channel and equipment thereof |
| CN102202400A (en) * | 2011-05-31 | 2011-09-28 | 电信科学技术研究院 | Instruction and processing method and device for resource occupancy mode |
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