CN104754603B - Detection method and terminal of the terminal to PDCCH channel - Google Patents
Detection method and terminal of the terminal to PDCCH channel Download PDFInfo
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- CN104754603B CN104754603B CN201310751440.6A CN201310751440A CN104754603B CN 104754603 B CN104754603 B CN 104754603B CN 201310751440 A CN201310751440 A CN 201310751440A CN 104754603 B CN104754603 B CN 104754603B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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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
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Abstract
The present invention relates to the communications field, a kind of terminal is disclosed to the detection method and terminal of PDCCH channel.In the present invention, when terminal receives partial data in a subframe, testing result of the outlet terminal to PDCCH in advance, and with this result to determine whether continuing to the remainder data of the subframe, if the corresponding descending scheduling DCI of this terminal is not present in testing result, then judgement needs not continue to receive remainder data, if there are the corresponding descending scheduling DCI of this terminal in testing result, judgement needs to continue to remainder data.So that terminal is optimised to the process of PDCCH Channel Detection, guarantee to reduce power consumption of terminal while terminal capabilities.
Description
Technical field
The present invention relates to the communications fields, in particular to detection technique of the terminal to PDCCH channel.
Background technique
LTE（Long Term Evolution, long term evolution) in mode, PDSCH（Physical Downlink Shared Channel）Carrying passes
Defeated channel DL-SCH（DSCH Downlink Shared Channel）Data and PCH（Paging channel）Data, by current PDCCH（Physical down control letter
Road）The DCI of carrying（Downlink Control Information）Information is indicated.UE（User terminal）Determined whether by detection PDCCH
There are the PDSCH of this UE；And the resource and corresponding coding mode that result obtains carrying PDSCH are decoded according to PDCCH, it completes
The decoding of PDSCH.
Existing processing method is to first pass through detection PDCCH channel to determine whether there are the corresponding RNTI of this UE（Wireless network
Interim identification）DCI, that is, reception detection is carried out to downlink subframe to be detected in PDCCH channel, if detecting correspondence
DCI, illustrate the PDSCH in PDCCH there are this UE, then start PDSCH processing operation；If not detecting corresponding DCI,
Illustrate the PDSCH that this UE is not present in PDCCH, does not then start PDSCH processing operation, but the data of entire subframe at this time are complete
Portion receives, that is, when the testing result output of PDCCH, subframe has been received, and obviously makes to the power consumption of UE in this way
At waste.Especially when UE is in connection status, it is necessary to for each in DRX（Discontinuous reception）The downlink of activationary time
Subframe must all carry out reception detection, and a complete LTE sub-frame data is fixed as 1ms data, it is seen then that causes terminal in this way
Power consumption is largely wasted.
Summary of the invention
The purpose of the present invention is to provide a kind of terminals to the detection method and terminal of PDCCH channel, so that terminal pair
The process of PDCCH Channel Detection is optimised, guarantees to reduce power consumption of terminal while terminal capabilities.
In order to solve the above technical problems, the present invention provides a kind of terminals to the detection method of PDCCH channel, comprising following
Step：
Terminal first only receives the part in a subframe when detecting each time to physical downlink control channel PDCCH
Data, and according to the testing result of partial data output PDCCH；
If the corresponding descending scheduling DCI of terminal is not present in the testing result of PDCCH, terminal is abandoned receiving the surplus of subframe
Remaining part divided data；If terminal continues to the remainder data of subframe there are DCI in the testing result of PDCCH.
The present invention also provides a kind of terminals, comprising with lower module：
Testing result shifts to an earlier date output module, detects each time to physical downlink control channel PDCCH for terminal
When, the partial data in a subframe is first only received, and the testing result of PDCCH is exported according to partial data；
Remaining data receives judgment module, for judging that testing result shifts to an earlier date the detection knot of the PDCCH of output module output
It whether there is the corresponding descending scheduling DCI of terminal in fruit；
Detection module determines that testing result shifts to an earlier date output module output for receiving judgment module in remaining data
When DCI being not present in the testing result of PDCCH, the remainder data for receiving subframe are abandoned；Mould is exported in advance in testing result
There are the remainder data for when DCI, then continuing to subframe in the testing result of the PDCCH of block output.
In terms of existing technologies, most important difference is embodiment of the present invention, changes the detection knot of PDCCH
The output time of fruit is changed to export in advance, and the testing result of PDCCH, terminal are exported when subframe is received a part
It can judge whether subsequent subframe needs to be received according to testing result, if testing result shows that there are this terminals in the subframe
Corresponding DCI, terminal can continue to subsequent subframe, if testing result shows that there is no this terminal is corresponding in the subframe
DCI, terminal can abandon receive subsequent subframe, that in this case, terminal be not required to consumption receive subsequent subframe receipts power consumption, it is clear that
The present invention, to the detection process of PDCCH channel, reduces power consumption of terminal while guaranteeing terminal capabilities by optimization terminal.
As a further improvement, first only receiving the partial data in a subframe in terminal, and exported according to the partial data
It include following sub-step in the step of testing result of PDCCH：
Save the sampling point of channel estimation of the RS signal of a upper subframe as this subframe, wherein a upper subframe is institute
State terminal in the PDCCH channel on the subframe that once receives；
First RS signal of this subframe is combined to carry out the PDCCH channel estimation of this subframe according to sampling point.
Since the code rate of PDCCH channel is low, the RS that can use the former frame closed on participates in this frame PDCCH channel estimation,
In this way the accuracy of PDCCH decoding result can be further ensured that while accelerating the output of PDCCH testing result.
As a further improvement, first only receiving the partial data in a subframe in terminal, and exported according to partial data
Before the step of testing result of PDCCH, comprise the steps of：
Whether it is less than pre-determined distance D at a distance from judging the position RS of the subframe between the position RS of a upper subframe, wherein institute
State a subframe be the terminal in the PDCCH channel on the subframe that once receives；
If the position RS of the subframe between the position RS of a upper subframe at a distance from be less than pre-determined distance D, enter back into
Terminal first only receives the partial data in a subframe, and the step of exporting the testing result of PDCCH according to partial data；
If the position RS of the subframe between the position RS of a upper subframe at a distance from be greater than or equal to pre-determined distance D,
Terminal completely receives subframe, and exports the testing result of the PDCCH of subframe.
To determine whether exporting in advance at a distance from further according to the position RS of this subframe between the position RS of a upper subframe
The testing result of PDCCH, ensure that the accuracy of PDCCH channel estimation quality, and then ensure that PDCCH decoding performance.If
Hypertelorism between the position RS of this subframe and the position RS of a upper subframe, may reduce PDCCH channel estimation quality, also
PDCCH decoding performance may not can guarantee.
As a further improvement, the pre-determined distance D is determined according to the decoding terminals performance and movement speed.It can root
According to the value of terminal capabilities and movement speed decision D in practical application scene, the channel estimation matter of PDCCH is further ensured
Amount.
As a further improvement, terminal first only receives subframe in the step of formerly only receiving the partial data in a subframe
In first half subframe.
Since the symbol numbers of PDCCH may be variation（By control format instruction CFI instruction, CFI occupies front one
Symbol, the symbol numbers occupied for indicating DCI）, data length of the regulation comprising DCI information is minimum in agreement TS36.211
1 symbol lengths, preferably at most 4 symbol lengths.So further limiting the first half subframe that received partial data is the subframe
This feature that is easily achieved is allowed for, such restriction can guarantee after receiving the data length comprising DCI information also
The detection time of 2 symbols of processing can be reserved.
Detailed description of the invention
Fig. 1 is detection method flow chart of the terminal to PDCCH channel of first embodiment according to the present invention；
Fig. 2 is detection method flow chart of the terminal to PDCCH channel of second embodiment according to the present invention；
Fig. 3 be according to the present invention the terminal in second embodiment to the detection schematic diagram of PDCCH channel；
Fig. 4 is the mobile terminal structure schematic diagram of the 4th embodiment according to the present invention；
Fig. 5 is the mobile terminal structure schematic diagram of the 5th embodiment according to the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, each claim of the application technical side claimed also may be implemented
Case.
The first embodiment of the present invention is related to a kind of terminals to the detection method of PDCCH channel, is with LTE terminal below
Example is further described, and comprises the steps of, as shown in Figure 1：
Step 101, terminal receives the partial data in a subframe.After terminal starts to detect PDCCH Blind channel, terminal
First receive a part of data in subframe, what needs to be explained here is that, the partial data detect in the subframe enough whether
There are the corresponding descending scheduling DCI of this terminal, and specifically, in present embodiment, partial data can be preceding the 2/3 of the subframe
Sub-frame data.
Step 102, the testing result of PDCCH is exported according to the partial data.The detection knot of PDCCH is namely exported in advance
Fruit.That is, terminal first decodes received partial data, and export the decoding result for being directed to this partial data.
In the present embodiment, during exporting the testing result of PDCCH in advance, it can use the RS ginseng of former frame
Specifically the sample of channel estimation of the RS signal of a upper subframe as this subframe is first saved with this frame PDCCH channel estimation
Point, wherein a upper subframe be terminal in PDCCH channel on the subframe that once receives, combine this subframe further according to the sampling point
First RS signal carry out the PDCCH channel estimation of this subframe, the same of PDCCH testing result output can accelerated in this way
When, it is further ensured that the accuracy of PDCCH decoding result.
It is worth noting that in practical applications, it is i.e. directly sharp channel estimation can also to be carried out without using previous frame data
PDCCH channel estimation is carried out with this frame data.
Step 103, judge in testing result with the presence or absence of the corresponding DCI of terminal；If so, executing step 104；If it is not, holding
Row step 105.Namely at this moment by the testing result to PDCCH channel to determine whether there are the corresponding downlinks of this terminal
DCI, also just then judged whether need to start PDSCH process flow.
It should be noted that in actual operation, following decision logic can be used to realize：
Step 104, terminal receives the remainder data in this subframe.
That is, if there are the DCI of the corresponding downlink of terminal in testing result, illustrate subsequent to start at PDSCH
Process is managed, then terminal needs to receive complete subframe to decode.
Step 105, terminal abandons receiving the remainder data in this subframe.
That is, illustrating subsequent to be not required to start if the DCI of the corresponding downlink of terminal is not present in testing result
PDSCH process flow, other data of this frame also without receiving value, then stop the reception of subsequent subframe data.
In terms of existing technologies, most important difference is embodiment of the present invention, changes the detection knot of PDCCH
The output time of fruit is changed to export in advance, and the testing result of PDCCH, terminal are exported when subframe is received a part
It can judge whether subsequent subframe needs to be received according to testing result, if testing result shows that there are this terminals in the subframe
Corresponding DCI, terminal can continue to subsequent subframe, if testing result shows that there is no this terminal is corresponding in the subframe
DCI, terminal can abandon receive subsequent subframe, that in this case, terminal be not required to consumption receive subsequent subframe receipts power consumption, it is clear that
The present invention, to the detection process of PDCCH channel, reduces power consumption of terminal while guaranteeing terminal capabilities by optimization terminal.
Second embodiment of the present invention also relates to a kind of detection method of terminal to PDCCH channel, present embodiment
It is to be further improved to first embodiment, as shown in Fig. 2, mainly theing improvement is that, present embodiment is first
Increase before embodiment implementation whether small at a distance from judging this subframe between upper one position RS and the position RS of a upper subframe
In pre-determined distance D, wherein a upper subframe refer to terminal in PDCCH channel on the subframe that once receives, according to distance
Distance come judge terminal whether shift to an earlier date output test result, further ensure the decoding performance of PDCCH.
Step 201, whether it is less than D at a distance from judging the position RS of this subframe between the position RS of a upper subframe；If so,
Execute step 202；If it is not, thening follow the steps 207.Specifically, before terminal is exported to the testing result of PDCCH in advance,
Whether closer at a distance from first judging the position RS of this subframe between the position RS of a subframe on this, closer telephone terminal is defeated in advance
The testing result of PDCCH out, to guarantee channel estimation quality, also further ensures if farther out, do not exported in advance
The decoding performance of PDCCH.Since the code rate of PDCCH channel is low, the RS that can use the former frame closed on participates in this frame PDCCH letter
Road estimation can accelerate the output of PDCCH testing result in this way, also can be so that the decoding result of PDCCH exports in advance.
It should be noted that according to the terminal capabilities and movement speed in practical application scene it can be concluded that the range of D, tool
Body is said, can be 1 subframe lengths to 10 subframe lengths.A subframe lengths are used in present embodiment, that is to say, that
When a upper subframe is the previous subframe of this subframe, output test result in advance, when a upper subframe is not the previous son of this subframe
When frame, that is, when a upper subframe and book interframe are also spaced other subframes, step 207 is executed.
It should be noted that in actual operation, following decision logic can be used to realize：
Step 202 is corresponding to step 105 with the step 101 in first embodiment respectively to step 206, herein no longer
It repeats.
Step 207, terminal completely receives subframe, and exports the testing result of the PDCCH of this subframe.That is work as judgement
The position RS of this subframe between the position RS of a upper subframe at a distance from farther out when, to guarantee PDCCH channel estimation quality, then terminal
It does not export the testing result of PDCCH in advance, but exports the testing result of PDCCH after receiving complete subframe again.
It is not difficult to find that in the present embodiment, according to the position RS of this subframe between the position RS of a upper subframe at a distance from
To determine whether exporting the testing result of PDCCH in advance, i.e., before the testing result for exporting PDCCH in advance, increase one
Judge whether to need the logic judgment module for exporting PDCCH testing result in advance, as shown in Figure 3.
Third embodiment of the present invention also relates to a kind of detection method of terminal to PDCCH channel, third embodiment party
Formula is similar with first embodiment, and the main distinction is in the step 101 of first embodiment, and partial data is the subframe
Preceding 2/3 sub-frame data, and partial data can be the first half subframe of the subframe in present embodiment.Due to the symbol of PDCCH
Number may be variation（It is indicated by CFI, CFI occupies the symbol of front one, the symbol numbers occupied for indicating DCI）, agreement
Data length of the regulation comprising DCI information is minimum 1 symbol, preferably at most 4 symbol lengths in TS36.211.So further
It limits received partial data and allows for this feature that is easily achieved as the first half subframe of the subframe, such restriction can be protected
Demonstrate,prove the detection time that 2 symbols of processing can also be reserved after receiving the data length comprising DCI information.
It need to further illustrate, the specific range of partial data is in addition to preceding 2/3 part used in first embodiment
First half sub-frame data used in sub-frame data and third embodiment can also use other length numbers according to actual needs
According to, due to DCI symbolic number shared in a subframe be it is known, those skilled in the art can learn enough detections
It whether there is the data length of DCI in subframe out, this is no longer going to repeat them.
It should be noted that above various methods the step of divide, be intended merely to describe clear, when realization can be merged into
One step splits certain steps, is decomposed into multiple steps, as long as comprising identical logical relation, it is all special at this
In the protection scope of benefit；To added in algorithm or in process it is inessential modification or introduce inessential design, but
The core design of its algorithm and process is not changed all in the protection scope of the patent.
Four embodiment of the invention is related to a kind of terminal, and connection structure is as shown in figure 4, comprising with lower module：
Testing result shifts to an earlier date output module, detects each time to physical downlink control channel PDCCH for terminal
When, the partial data in a subframe is first only received, and the testing result of PDCCH, specifically, this reality are exported according to partial data
Applying the terminal in mode is LTE terminal, and partial data is preceding 2/3 sub-frame data.
Remaining data receives judgment module, for judging that testing result shifts to an earlier date the detection knot of the PDCCH of output module output
It whether there is the corresponding descending scheduling DCI of terminal in fruit.
Detection module determines that testing result shifts to an earlier date output module output for receiving judgment module in remaining data
When DCI being not present in the testing result of PDCCH, the remainder data for receiving subframe are abandoned；Mould is exported in advance in testing result
There are the remainder data for when DCI, then continuing to subframe in the testing result of the PDCCH of block output.
Specifically, it further includes following submodule that testing result, which shifts to an earlier date in output module,：
Sampling point acquisition submodule, for saving the sampling point of channel estimation of the RS signal of a upper subframe as this subframe,
In, a upper subframe be terminal in PDCCH channel on the subframe that once receives.
Channel estimation submodule, the sampling point for being obtained according to the sampling point acquisition submodule combine first RS of this subframe
The PDCCH channel estimation of signal progress subframe.
It is not difficult to find that present embodiment is system embodiment corresponding with first embodiment, present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, which is not described herein again.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
It is noted that each module involved in present embodiment is logic module, and in practical applications, one
A logic unit can be a physical unit, be also possible to a part of a physical unit, can also be with multiple physics lists
The combination of member is realized.In addition, in order to protrude innovative part of the invention, it will not be with solution institute of the present invention in present embodiment
The technical issues of proposition, the less close unit of relationship introduced, but this does not indicate that there is no other single in present embodiment
Member.
Fifth embodiment of the invention also relates to a kind of terminal, and the 5th embodiment is on the basis of the 4th embodiment
On be further improved, as shown in figure 5, mainly theing improvement is that and having increased spacing judgment module newly.
Spacing judgment module, it is pre- for whether being less than at a distance from judging the position RS of subframe between the position RS of a upper subframe
If distance D, and determine subframe the position RS between the position RS of a upper subframe at a distance from be less than pre-determined distance D when, triggering inspection
Survey result and shift to an earlier date output module, wherein a upper subframe for terminal in PDCCH channel on the subframe that once receives.
It should be noted that the detection module function in present embodiment can also further expand, it is also used to sentence in spacing
Disconnected module determine the position RS of subframe between the position RS of a upper subframe at a distance from when being greater than or equal to pre-determined distance D, completely connect
Subframe is received, and exports the testing result of the PDCCH of subframe.
What needs to be explained here is that pre-determined distance D can be determined according to decoding terminals performance and movement speed.
Since second embodiment is corresponded to each other with present embodiment, present embodiment can be mutual with second embodiment
Match implementation.The relevant technical details mentioned in second embodiment are still effective in the present embodiment, implement second
The attainable technical effect of institute similarly may be implemented in the present embodiment in mode, no longer superfluous here in order to reduce repetition
It states.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in second embodiment.
Sixth embodiment of the invention also relates to a kind of terminal, and sixth embodiment is similar with the 4th embodiment,
Difference is in the 4th embodiment that partial data is preceding 2/3 subframe in subframe, and in present embodiment, partial data is
The first half subframe of subframe.Such restriction can guarantee that place can also be reserved after receiving the data length comprising DCI information
Manage the detection time of 2 symbols.
Since third embodiment is corresponded to each other with present embodiment, present embodiment can be mutual with third embodiment
Match implementation.The relevant technical details mentioned in third embodiment are still effective in the present embodiment, implement in third
The attainable technical effect of institute similarly may be implemented in the present embodiment in mode, no longer superfluous here in order to reduce repetition
It states.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in third embodiment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (12)
1. a kind of terminal is to the detection method of PDCCH channel, which is characterized in that comprise the steps of：
Terminal first only receives the partial data in a subframe when detecting each time to physical downlink control channel PDCCH,
And the testing result of PDCCH is exported according to the partial data；
If the corresponding descending scheduling DCI of the terminal is not present in the testing result of the PDCCH, the terminal is abandoned receiving
The remainder data of the subframe；If there are the DCI in the testing result of the PDCCH, the terminal is continued to
The remainder data of the subframe.
2. terminal according to claim 1 is to the detection method of PDCCH channel, which is characterized in that first only in the terminal
The partial data in a subframe is received, and in the step of exporting the testing result of PDCCH according to the partial data, comprising following
Sub-step：
Save the sampling point of channel estimation of the reference signal RS of a upper subframe as the subframe, wherein a upper subframe is
The terminal in the PDCCH channel on the subframe that once receives；
The PDCCH channel estimation of the subframe is carried out in conjunction with first RS signal of the subframe according to the sampling point.
3. terminal according to claim 1 is to the detection method of PDCCH channel, which is characterized in that first only in the terminal
The partial data in a subframe is received, and before the step of exporting the testing result of PDCCH according to the partial data, comprising following
Step：
Whether it is less than pre-determined distance D at a distance from judging the position RS of the subframe between the position RS of a upper subframe, wherein described
The upper subframe terminal is stored in the PDCCH channel last receive；
If the position RS of the subframe between the position RS of a upper subframe at a distance from be less than pre-determined distance D, enter back into institute
State the first partial data only received in a subframe of terminal, and the step of testing result of PDCCH is exported according to the partial data；
If the position RS of the subframe between the position RS of a upper subframe at a distance from be greater than or equal to pre-determined distance D, institute
It states terminal and completely receives the subframe, and export the testing result of the PDCCH of the subframe.
4. terminal according to claim 3 is to the detection method of PDCCH channel, which is characterized in that the pre-determined distance D root
It is determined according to the decoding terminals performance and movement speed.
5. terminal as claimed in any of claims 1 to 4 is to the detection method of PDCCH channel, which is characterized in that
The elder generation only received in the step of partial data in a subframe, and the terminal first only receives the first half subframe in the subframe.
6. terminal as claimed in any of claims 1 to 4 is to the detection method of PDCCH channel, which is characterized in that institute
Stating terminal is LTE terminal.
7. a kind of terminal, which is characterized in that comprising with lower module：
Testing result shifts to an earlier date output module, for terminal when detecting each time to physical downlink control channel PDCCH, first
The partial data in a subframe is only received, and exports the testing result of PDCCH according to the partial data；
Remaining data receives judgment module, for judging that the testing result shifts to an earlier date the inspection of the PDCCH of output module output
It surveys and whether there is the corresponding descending scheduling DCI of the terminal in result；
Detection module determines that the testing result shifts to an earlier date output module output for receiving judgment module in the remaining data
When the DCI being not present in the testing result of the PDCCH, the remainder data for receiving the subframe are abandoned；In the inspection
It surveys in the testing result for the PDCCH that result shifts to an earlier date output module output there are when the DCI, then continues to the subframe
Remainder data.
8. terminal according to claim 7, which is characterized in that it further includes following that the testing result, which shifts to an earlier date in output module,
Submodule：
Sampling point acquisition submodule, for saving the sampling point of channel estimation of the RS signal of a upper subframe as the subframe, wherein
A upper subframe be the terminal in the PDCCH channel on the subframe that once receives；
Channel estimation submodule, the sampling point for being obtained according to the sampling point acquisition submodule is in conjunction with the first of the subframe
A RS signal carries out the PDCCH channel estimation of the subframe.
9. terminal according to claim 7, which is characterized in that the terminal also includes：
Spacing judgment module, it is pre- for whether being less than at a distance from judging the position RS of the subframe between the position RS of a upper subframe
If distance D, and it is less than pre-determined distance D at a distance from the position RS for determining the subframe is between the position RS of a upper subframe
When, it triggers the testing result and shifts to an earlier date output module, wherein a upper subframe is the terminal in the PDCCH channel
The subframe that last time receives；
Detection module is also used to determine in the spacing judgment module position RS of the subframe and the position RS of a upper subframe
When distance between setting is greater than or equal to pre-determined distance D, the subframe is completely received, and export the detection of the PDCCH of the subframe
As a result.
10. terminal according to claim 9, which is characterized in that the pre-determined distance D according to the decoding terminals performance and
Movement speed determines.
11. the terminal according to any one of claim 7 to 10, which is characterized in that the partial data is the son
First half sub-frame data in frame.
12. the terminal according to any one of claim 7 to 10, which is characterized in that the terminal is LTE terminal.
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| CN114040476B (en) * | 2017-10-27 | 2024-04-09 | 华为技术有限公司 | Method, equipment and system for transmitting downlink control information |
| CN111294179B (en) * | 2019-01-28 | 2022-08-23 | 北京紫光展锐通信技术有限公司 | Subframe receiving method and device, storage medium and user terminal |
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| CN101394199A (en) * | 2008-10-30 | 2009-03-25 | 中兴通讯股份有限公司 | Method for data transmission in large bandwidth system |
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| CN102195742A (en) * | 2010-03-16 | 2011-09-21 | 华为技术有限公司 | Configuration method of physical downlink control channel, network equipment and terminal |
| WO2012147601A1 (en) * | 2011-04-27 | 2012-11-01 | シャープ株式会社 | Terminal, base station, communication system, and communication method |
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