CN102821470A - Method and device for allocating physical downlink control channel resource - Google Patents
Method and device for allocating physical downlink control channel resource Download PDFInfo
- Publication number
- CN102821470A CN102821470A CN2012102800426A CN201210280042A CN102821470A CN 102821470 A CN102821470 A CN 102821470A CN 2012102800426 A CN2012102800426 A CN 2012102800426A CN 201210280042 A CN201210280042 A CN 201210280042A CN 102821470 A CN102821470 A CN 102821470A
- Authority
- CN
- China
- Prior art keywords
- pdcch
- cce
- polymerization grade
- grade
- spectrum efficiency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method and device for allocating a PDCCH (physical downlink control channel) resource, which are used for allocating the PDCCH resource of UE (user equipment) in an LTE (long term evolution) system or an LTE-A (long term evolution-advanced) system, thereby simplifying the traditional algorithms and enhancing the robustness, the adjustability and the controllability of the algorithm. The method comprises the following steps of: determining the size of the CCE (control channel element) occupied by the PDCCH, adjusting the PDCCH power source allocated to the UE when the aggregation level of the CCE belongs to the range of the predetermined first level; and keeping the PDCCH power source initially allocated to the UE constant when the aggregation level of the CCE belongs to the range of the predetermined second level.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of PDCCH resource allocation methods and device.
Background technology
Long Term Evolution LTE system or senior Long Term Evolution LTE-A system physical down control channel PDCCH bearing downlink control information DCI; Also comprise the schedule information that is used for descending and transmitting uplink data and uplink power control information etc., concrete DCI form and purposes are as shown in the table.
PDCCH adopts the mode of multiple users share resource, and the user need be in the The whole control zone by certain rule search control signaling.In the DCI of PDCCH information through with user's Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI scrambling mode to 16 bit bit cyclic redundancy check (CRC)s, the targeted customer that this DCI of implicit expression indication sends.For supporting link circuit self-adapting, reduce the complexity that the user detects PDCCH, the mapping of PDCCH resource is a unit with control information unit CCE, a CCE is that 36 Resource Unit RE constitute by 9 resource unit group REG.According to length of carrying the DCI bit and user's link-quality, the base station can select to use 1,2,4 or 8 CCE to carry a DCI, is called CCE polymerization grade.
The descending PDCCH of LTE and LTE-A is divided into cell-level PDCCH and user class PDCCH.The former carries the control information of sub-district, is mapped to the common search space, and the common search space is that all user equipment (UE)s are shared, and supports CCE polymerization class 4 or 8; The latter is carried the control information of UE; PDCCH CRC is by C-RNTI or the semi-continuous scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI SPS C-RNTI scrambling of UE; Be mapped to the exclusive search volume of UE, the exclusive search volume of UE comprises all possible CCE polymerization grade to each UE.The exclusive search volume of UE original position is by decisions such as subframe numbering and terminal wireless network temporary mark RNTI under a kind of CCE polymerization grade.Because the difference of beared information content; Mainly be covered as target during cell-level PDCCH resource allocation to satisfy the sub-district; User class PDCCH resource allocation mainly is target with the capacity; Satisfying under the prerequisite of performance requirement, the CCE size that user class PDCCH takies and the size of power are confirmed according to the channel quality indicator (CQI) of UE feedback in the base station, support more UE as far as possible.
For user class PDCCH resource allocation, need consider two dimensions of running time-frequency resource and power resource simultaneously.The PDCCH resource allocation process is following: the size that at first need confirm the shared CCE of PDCCH; The CQI that promptly revises according to UE confirms current link quality, thereby the size of adaptive selection CCE is searched for the PDCCH space resources simultaneously and confirmed final CCE size; Call the power division module afterwards and calculate the power demand of UE; Thereby determine final allocation result, this result comprises power, resource size, position etc.
Existing algorithm all carries out the adaptively selected and power adjustment of CCE to each user, need design different target received signal to noise ratio values to every kind of CCE size respectively with different DCI sizes, and complexity and operand are higher.Carry out the adjustment of CCE self adaptation and UE level PDCCH power simultaneously, adjustable parameter is more, and the algorithm Modulatory character is relatively poor, and performance depends on the target received signal to noise ratio value of design.
Summary of the invention
The embodiment of the invention provides a kind of physical downlink control channel PDCCH resource allocation methods and device; Be used under Long Term Evolution LTE system or senior Long Term Evolution LTE-A system, the PDCCH resource of user equipment (UE) being distributed; Simplify existing algorithm, strengthened the robustness and the Modulatory character of algorithm.
A kind of PDCCH resource allocation methods that the embodiment of the invention provides comprises:
Confirm to be used to carry the polymerization grade that Downlink Control Information is given the control channel unit CCE of user equipment (UE);
When the polymerization grade of CCE belongs to preset the first estate scope, be adjusted into the PDCCH power resource that UE distributes;
When the polymerization grade of CCE belonged to preset second rate range, the PDCCH power resource that remains the UE original allocation was constant.
A kind of PDCCH resource allocation device that the embodiment of the invention provides comprises:
Confirm the unit, be used to confirm to be used to carry the polymerization grade that Downlink Control Information is given the control channel unit CCE of user equipment (UE);
Processing unit when being used for polymerization grade at CCE and belonging to preset the first estate scope, is adjusted into the PDCCH power resource that UE distributes; When the polymerization grade of CCE belonged to preset second rate range, the PDCCH power resource that remains the UE original allocation was constant.
The embodiment of the invention is through confirming to be used to carry the polymerization grade that Downlink Control Information is given the control channel unit CCE of user equipment (UE); When the polymerization grade of CCE belongs to preset the first estate scope, be adjusted into the PDCCH power resource that UE distributes; When the polymerization grade of CCE belongs to preset second rate range; The PDCCH power resource that remains the UE original allocation is constant; Thereby under Long Term Evolution LTE system or senior Long Term Evolution LTE-A system, the PDCCH resource of user equipment (UE) is distributed; Simplify existing algorithm, strengthened the robustness and the Modulatory character of algorithm.
Description of drawings
The schematic flow sheet that Fig. 1 provides for the inventive method embodiment;
The schematic flow sheet of the specific embodiment that Fig. 2 provides for the inventive method;
The schematic flow sheet of another specific embodiment that Fig. 3 provides for the inventive method.
Embodiment
The embodiment of the invention provides a kind of physical downlink control channel PDCCH resource allocation methods and device; Be used under Long Term Evolution LTE system or senior Long Term Evolution LTE-A system, the PDCCH resource of user equipment (UE) being distributed; Simplify existing algorithm, strengthened the robustness and the Modulatory character of algorithm.
Referring to Fig. 1, the embodiment of the invention provides a kind of PDCCH resource allocation methods, comprising:
S201, confirm to be used to carry the polymerization grade that Downlink Control Information is given the control channel unit CCE of user equipment (UE);
The polymerization grade of the CCE that S202, basis are confirmed is selected corresponding power resource allocation strategy:
When the polymerization grade of CCE belongs to preset the first estate scope, be adjusted into the PDCCH power resource that UE distributes;
When the polymerization grade of CCE belonged to preset second rate range, the PDCCH power resource that remains the UE original allocation was constant.
Preferable, saidly confirm to be used to carry the polymerization grade that Downlink Control Information is given the control channel unit CCE of user equipment (UE), comprising:
Confirm the spectrum efficiency of Physical Downlink Shared Channel PDSCH;
According to different multiple-input and multiple-output MIMO transmission modes, the spectrum efficiency of Physical Downlink Shared Channel PDSCH is revised, obtain the spectrum efficiency of the PDCCH of equivalence;
According to the spectrum efficiency of PDCCH, carry out the selection of CCE polymerization grade according to the mapping relations table of spectrum efficiency and CCE polymerization grade.
Preferable, said the first estate scope comprises CCE polymerization grade 1 and CCE polymerization grade 8.
Preferable, the said PDCCH power resource that is adjusted into the UE distribution comprises:
According to the spectrum efficiency of PDCCH,, obtain the CQI grade of PDCCH according to the mapping relations table of spectrum efficiency and channel quality indicator (CQI) grade;
According to the CQI grade of PDCCH,, obtain the Signal to Interference plus Noise Ratio of PDCCH according to the mapping relations table of CQI grade and Signal to Interference plus Noise Ratio;
According to CCE polymerization grade and the PDCCH Downlink Control Information DCI form of UE, confirm that respectively target receives Signal to Interference plus Noise Ratio and power adjustment;
Target is received the Signal to Interference plus Noise Ratio that Signal to Interference plus Noise Ratio deducts PDCCH, add power adjustment, obtain UE level PDCCH power division value.
Preferable, said UE level PDCCH power adjustment also comprises:
When the UE level PDCCH power division value that calculates is not in the scope of UE level PDCCH power division value, the polymerization grade of CCE is adjusted.
Preferable, said second rate range comprises CCE polymerization grade 2 and CCE polymerization class 4.
Provide several concrete embodiment explanations below.
Specific embodiment one:
Referring to Fig. 2, the PDCCH resource allocation methods that present embodiment provides comprises:
Step S301: calculate the spectrum efficiency under the PDCCH;
ENB preferentially selects appropriate C CE polymerization grade according to the channel quality of UE.
Parameter declaration is following:
Eff
PDSCH: the spectrum efficiency of PDSCH;
Eff
PDCCH: the spectrum efficiency of PDCCH;
Δ: the adjusted value that obtains the PDCCH spectrum efficiency according to the spectrum efficiency correction of PDSCH.
The CQI of the PDSCH that eNB reports according to UE with reference to CQI and PDSCH spectrum efficiency mapping relations table, obtains the spectrum efficiency eff of PDSCH
PDSCH
According to different MIMO transmission modes, to the spectrum efficiency eff of PDSCH
PDSCHRevise, obtain the spectrum efficiency under the equivalent PDCCH.
Because eNB can only come the link-quality of the preliminary UE of judgement according to the CQI of PDSCH, and the CQI of PDSCH depends on current MIMO transmission means.And the MIMO mode that PDSCH and PDCCH adopted might be different, therefore need the spectrum efficiency of PDSCH be revised, thereby obtain the spectrum efficiency of equivalence to PDCCH.
To downlink transfer pattern, transmitting data stream number and the PDCCH DCI form of different user, design corresponding frequency spectrum efficient adjusted value Δ is adjusted the spectrum efficiency that obtains PDCCH by following formula.
eff
PDCCH＝eff
PDSCH+Δ
Step S302: the polymerization grade of selecting CCE;
According to the spectrum efficiency of revising back PDCCH, carry out the selection of CCE size with reference to spectrum efficiency and CCE mapping relations table; The CCE polymerization grade that obtains UE is 2 or 4.
Step S303: the UE medium for channel quality distributes the PDCCH power resource;
To the medium user equipment (UE) of channel quality is that CCE polymerization grade is that 2 or 4 UE only does the CCE self adaptation, does not carry out the power adjustment, sends by the PDCCH performance number of system's original allocation.To guarantee in the power division process that the transmitting power on each OFDM symbol is no more than the maximum of permission.
Specific embodiment two:
Referring to Fig. 3, the PDCCH resource allocation methods that present embodiment provides comprises:
Step S401: calculate the spectrum efficiency under the PDCCH;
ENB preferentially selects appropriate C CE polymerization grade according to the channel quality of UE.
Parameter declaration is following:
Eff
PDSCH: the spectrum efficiency of PDSCH;
Eff
PDCCH: the spectrum efficiency of PDCCH;
Δ: the adjusted value that obtains the PDCCH spectrum efficiency according to the spectrum efficiency correction of PDSCH.
The CQI of the PDSCH that eNB reports according to UE with reference to CQI and PDSCH spectrum efficiency mapping relations table, obtains the spectrum efficiency eff of PDSCH
PDSCH
According to different MIMO transmission modes, to the spectrum efficiency eff of PDSCH
PDSCHRevise, obtain the spectrum efficiency under the equivalent PDCCH;
Because eNB can only come the link-quality of the preliminary UE of judgement according to the CQI of PDSCH, and the CQI of PDSCH depends on current MIMO transmission means.And the MIMO mode that PDSCH and PDCCH adopted might be different, therefore need the spectrum efficiency of PDSCH be revised, thereby obtain the spectrum efficiency of equivalence to PDCCH.
To downlink transfer pattern, transmitting data stream number and the PDCCH DCI form of different user, design corresponding frequency spectrum efficient adjusted value Δ is adjusted the spectrum efficiency that obtains PDCCH by following formula.
eff
PDCCH＝eff
PDSCH+Δ
Step S402: the polymerization grade of selecting CCE;
According to the spectrum efficiency of revising back PDCCH, carry out the selection of CCE size with reference to spectrum efficiency and CCE mapping relations table; The CCE polymerization grade that obtains UE is 1 or 8.
To the CCE polymerization grade of confirming among the S402 is 1 or 8 UE, and promptly good the or poor especially especially UE of channel quality carries out the power adjustment.
Step S403: the CQI grade of calculating PDCCH;
Parameter declaration is following:
CQI
PDCCH: the CQI grade of PDCCH;
SINR
Measure: the Signal to Interference plus Noise Ratio of PDCCH;
SINR
Target: target receives Signal to Interference plus Noise Ratio;
DistrPow_PDCCH:UE level PDCCH power division value;
SINR
Target, 1cce: the target under the 1CCE polymerization grade receives Signal to Interference plus Noise Ratio;
SINR
Target, 8cce: the target under the 8CCE polymerization grade receives Signal to Interference plus Noise Ratio;
Δ
1cce: CCE polymerization grade is 1 o'clock, UE level PDCCH power adjustment;
Δ
8cce: CCE polymerization grade is 1 o'clock, UE level PDCCH power adjustment.
According to the eff that obtains among the S401
PDCCH,, obtain the CQI grade CQI of PDCCH with reference to the mapping table of CQI and spectrum efficiency
PDCCH
Step S404: calculate the PDCCH Signal to Interference plus Noise Ratio;
According to CQI
PDCCHAnd the mapping relations table of CQI and Signal to Interference plus Noise Ratio obtains the PDCCH Signal to Interference plus Noise Ratio, is designated as SINR
Measure
Step S405: calculate UE level PDCCH power division value;
For CCE polymerization grade is 1 or 8 user, and promptly good the or poor especially especially user of user channel quality according to user's PDCCH DCI form, designs corresponding target respectively and receives Signal to Interference plus Noise Ratio SINR
Target, 1cceOr SINR
Target, 8cceAnd power adjustment Δ
1cceOr Δ
8cce, Δ
1cce, Δ
8cceThe power adjustment of other factors such as transmitting power normalization factor when considering the different antennae port number is adjusted by following formula according to the PDCCH Signal to Interference plus Noise Ratio that obtains among the S404 and to be obtained UE level PDCCH power division value.
If?CCE＝1
DistrPow_PDCCH＝SINR
target,1cce-SINR
measure+Δ
1cce
Elseif?CCE＝8
DistrPow?PDCCH＝SINR
target,8cce-SINR
measure+Δ
8cce
The UE good or poor especially especially for all user channel quality will carry out aforesaid operations; The dynamic range of regulation PDCCH transmitting power is [6 in the agreement (36.104); 4] dB is so the power demand that calculates UE when the power division module during greater than 4dB, then need be rethought scheduling strategy.
The embodiment of the invention provides a kind of PDCCH resource allocation device, and this device comprises:
Confirm the unit, be used to confirm to be used to carry the polymerization grade that Downlink Control Information is given the control channel unit CCE of user equipment (UE);
Processing unit when being used for polymerization grade at CCE and belonging to preset the first estate scope, is adjusted into the PDCCH power resource that UE distributes; When the polymerization grade of CCE belonged to preset second rate range, the PDCCH power resource that remains the UE original allocation was constant.
Preferable, said definite unit specifically is used for:
Confirm the spectrum efficiency of Physical Downlink Shared Channel PDSCH;
According to different multiple-input and multiple-output MIMO transmission modes, the spectrum efficiency of PDSCH is revised, obtain the spectrum efficiency of the PDCCH of equivalence;
According to the spectrum efficiency of PDCCH, carry out the selection of CCE polymerization grade according to the mapping relations table of spectrum efficiency and CCE polymerization grade.
Preferable, said the first estate scope comprises CCE polymerization grade 1 or CCE polymerization grade 8.
Preferable, said processing unit specifically is used for:
According to the spectrum efficiency of PDCCH,, obtain the CQI grade of PDCCH according to the mapping relations table of spectrum efficiency and channel quality indicator (CQI) grade;
According to the CQI grade of PDCCH,, obtain the Signal to Interference plus Noise Ratio of PDCCH according to the mapping relations table of CQI grade and Signal to Interference plus Noise Ratio;
According to CCE polymerization grade and the PDCCH Downlink Control Information DCI form of UE, confirm that respectively target receives Signal to Interference plus Noise Ratio and power adjustment;
Target is received the Signal to Interference plus Noise Ratio that Signal to Interference plus Noise Ratio deducts PDCCH, add power adjustment, obtain UE level PDCCH power division value.
Preferable, said processing unit also specifically is used for:
When the UE level PDCCH power division value that calculates is not in the scope of UE level PDCCH power division value, the polymerization grade of CCE is adjusted.
In sum; The embodiment of the invention provides a kind of physical downlink control channel PDCCH resource allocation methods and device; Be used under Long Term Evolution LTE system or senior Long Term Evolution LTE-A system, the PDCCH resource of user equipment (UE) being distributed; Simplify existing algorithm, strengthened the robustness and the Modulatory character of algorithm.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. a physical downlink control channel PDCCH resource allocation methods is characterized in that, this method comprises:
Confirm to be used to carry the polymerization grade that Downlink Control Information is given the control channel unit CCE of user equipment (UE);
When the polymerization grade of CCE belongs to preset the first estate scope, be adjusted into the PDCCH power resource that UE distributes;
When the polymerization grade of CCE belonged to preset second rate range, the PDCCH power resource that remains the UE original allocation was constant.
2. method according to claim 1 is characterized in that, saidly confirms to be used to carry the polymerization grade that Downlink Control Information is given the control channel unit CCE of user equipment (UE), comprising:
Confirm the spectrum efficiency of Physical Downlink Shared Channel PDSCH;
According to different multiple-input and multiple-output MIMO transmission modes, the spectrum efficiency of PDSCH is revised, obtain the spectrum efficiency of the PDCCH of equivalence;
According to the spectrum efficiency of PDCCH, carry out the selection of CCE polymerization grade according to the mapping relations table of spectrum efficiency and CCE polymerization grade.
3. method according to claim 1 is characterized in that, said the first estate scope comprises:
CCE polymerization grade 1 and CCE polymerization grade 8.
4. method according to claim 1 is characterized in that, the said PDCCH power resource that is adjusted into the UE distribution comprises:
According to the spectrum efficiency of PDCCH,, obtain the CQI grade of PDCCH according to the mapping relations table of spectrum efficiency and channel quality indicator (CQI) grade;
According to the CQI grade of PDCCH,, obtain the Signal to Interference plus Noise Ratio of PDCCH according to the mapping relations table of CQI grade and Signal to Interference plus Noise Ratio;
According to CCE polymerization grade and the PDCCH Downlink Control Information DCI form of UE, confirm that respectively target receives Signal to Interference plus Noise Ratio and power adjustment;
Target is received the Signal to Interference plus Noise Ratio that Signal to Interference plus Noise Ratio deducts PDCCH, add power adjustment, obtain UE level PDCCH power division value.
5. method according to claim 4 is characterized in that, said UE level PDCCH power adjustment also comprises:
When the UE level PDCCH power division value that calculates is not in the scope of UE level PDCCH power division value, the polymerization grade of CCE is adjusted.
6. method according to claim 1 is characterized in that, said second rate range comprises:
CCE polymerization grade 2 and CCE polymerization class 4.
7. a physical downlink control channel PDCCH resource allocation device is characterized in that, this device comprises:
Confirm the unit, be used to confirm to be used to carry the polymerization grade that Downlink Control Information is given the control channel unit CCE of user equipment (UE);
Processing unit when being used for polymerization grade at CCE and belonging to preset the first estate scope, is adjusted into the PDCCH power resource that UE distributes; When the polymerization grade of CCE belonged to preset second rate range, the PDCCH power resource that remains the UE original allocation was constant.
8. device according to claim 7 is characterized in that, confirms the unit, specifically is used for:
Confirm the spectrum efficiency of Physical Downlink Shared Channel PDSCH;
According to different multiple-input and multiple-output MIMO transmission modes, the spectrum efficiency of PDSCH is revised, obtain the spectrum efficiency of the PDCCH of equivalence;
According to the spectrum efficiency of PDCCH, carry out the selection of CCE polymerization grade according to the mapping relations table of spectrum efficiency and CCE polymerization grade.
9. device according to claim 7 is characterized in that, said the first estate scope comprises:
CCE polymerization grade 1 or CCE polymerization grade 8.
10. device according to claim 7 is characterized in that, said processing unit specifically is used for:
According to the spectrum efficiency of PDCCH,, obtain the CQI grade of PDCCH according to the mapping relations table of spectrum efficiency and channel quality indicator (CQI) grade;
According to the CQI grade of PDCCH,, obtain the Signal to Interference plus Noise Ratio of PDCCH according to the mapping relations table of CQI grade and Signal to Interference plus Noise Ratio;
According to CCE polymerization grade and the PDCCH Downlink Control Information DCI form of UE, confirm that respectively target receives Signal to Interference plus Noise Ratio and power adjustment;
Target is received the Signal to Interference plus Noise Ratio that Signal to Interference plus Noise Ratio deducts PDCCH, add power adjustment, obtain UE level PDCCH power division value.
11. device according to claim 10 is characterized in that, said processing unit also specifically is used for:
When the UE level PDCCH power division value that calculates is not in the scope of UE level PDCCH power division value, the polymerization grade of CCE is adjusted.
12. device according to claim 7 is characterized in that, said second rate range comprises:
CCE polymerization grade 2 and CCE polymerization class 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280042.6A CN102821470B (en) | 2012-08-08 | 2012-08-08 | A kind of physical downlink control channel resource distribution method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280042.6A CN102821470B (en) | 2012-08-08 | 2012-08-08 | A kind of physical downlink control channel resource distribution method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102821470A true CN102821470A (en) | 2012-12-12 |
| CN102821470B CN102821470B (en) | 2015-09-23 |
Family
ID=47305244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210280042.6A Active CN102821470B (en) | 2012-08-08 | 2012-08-08 | A kind of physical downlink control channel resource distribution method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102821470B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104125645A (en) * | 2014-07-18 | 2014-10-29 | 大唐移动通信设备有限公司 | Control channel element (CCE) aggregation level determination method and device |
| CN104812079A (en) * | 2015-04-03 | 2015-07-29 | 京信通信技术(广州)有限公司 | PDCCH (physical downlink control channel) resource distribution method and device |
| CN105490779A (en) * | 2015-12-14 | 2016-04-13 | 上海创远仪器技术股份有限公司 | Physical downlink control channel (PDCCH) blind detection method |
| CN105491653A (en) * | 2014-09-18 | 2016-04-13 | 普天信息技术有限公司 | Method and device for regulating power of PDCCH |
| CN106572474A (en) * | 2015-10-09 | 2017-04-19 | 中兴通讯股份有限公司 | Physical downlink control channel (PDCCH) scheduling and power adjusting method and device of frequency band shared network |
| WO2022028166A1 (en) * | 2020-08-05 | 2022-02-10 | 大唐移动通信设备有限公司 | Resource allocation method and apparatus, and communication device |
| CN116155469A (en) * | 2023-04-19 | 2023-05-23 | 三维通信股份有限公司 | Base station downlink control channel resource scheduling optimization method, base station downlink control channel resource scheduling optimization device and computer equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102143593A (en) * | 2011-03-25 | 2011-08-03 | 电信科学技术研究院 | Combined adaptive resource allocation method and device for PDCCH (Physical Downlink Control Channel) |
| CN102404853A (en) * | 2011-06-29 | 2012-04-04 | 电信科学技术研究院 | Method for sending PDCCHs (Physical Downlink Control Channels) and equipment for sending PDCCHs |
| CN102421178A (en) * | 2011-12-15 | 2012-04-18 | 大唐移动通信设备有限公司 | Method and equipment for allocating power of downlink control channel |
-
2012
- 2012-08-08 CN CN201210280042.6A patent/CN102821470B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102143593A (en) * | 2011-03-25 | 2011-08-03 | 电信科学技术研究院 | Combined adaptive resource allocation method and device for PDCCH (Physical Downlink Control Channel) |
| CN102404853A (en) * | 2011-06-29 | 2012-04-04 | 电信科学技术研究院 | Method for sending PDCCHs (Physical Downlink Control Channels) and equipment for sending PDCCHs |
| CN102421178A (en) * | 2011-12-15 | 2012-04-18 | 大唐移动通信设备有限公司 | Method and equipment for allocating power of downlink control channel |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104125645A (en) * | 2014-07-18 | 2014-10-29 | 大唐移动通信设备有限公司 | Control channel element (CCE) aggregation level determination method and device |
| CN104125645B (en) * | 2014-07-18 | 2017-11-28 | 大唐移动通信设备有限公司 | A kind of control channel unit polymerization grade determines method and device |
| CN105491653A (en) * | 2014-09-18 | 2016-04-13 | 普天信息技术有限公司 | Method and device for regulating power of PDCCH |
| CN105491653B (en) * | 2014-09-18 | 2018-12-11 | 普天信息技术有限公司 | The power regulating method and device of Physical Downlink Control Channel |
| CN104812079A (en) * | 2015-04-03 | 2015-07-29 | 京信通信技术(广州)有限公司 | PDCCH (physical downlink control channel) resource distribution method and device |
| CN104812079B (en) * | 2015-04-03 | 2018-07-06 | 京信通信系统（中国）有限公司 | The distribution method and device of a kind of PDCCH resource |
| CN106572474A (en) * | 2015-10-09 | 2017-04-19 | 中兴通讯股份有限公司 | Physical downlink control channel (PDCCH) scheduling and power adjusting method and device of frequency band shared network |
| CN105490779A (en) * | 2015-12-14 | 2016-04-13 | 上海创远仪器技术股份有限公司 | Physical downlink control channel (PDCCH) blind detection method |
| CN105490779B (en) * | 2015-12-14 | 2018-11-27 | 上海创远仪器技术股份有限公司 | Physical Downlink Control Channel blind checking method |
| WO2022028166A1 (en) * | 2020-08-05 | 2022-02-10 | 大唐移动通信设备有限公司 | Resource allocation method and apparatus, and communication device |
| CN116155469A (en) * | 2023-04-19 | 2023-05-23 | 三维通信股份有限公司 | Base station downlink control channel resource scheduling optimization method, base station downlink control channel resource scheduling optimization device and computer equipment |
| CN116155469B (en) * | 2023-04-19 | 2023-09-12 | 三维通信股份有限公司 | Base station downlink control channel resource scheduling optimization method, base station downlink control channel resource scheduling optimization device and computer equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102821470B (en) | 2015-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102404076B (en) | Information sending and blind-detecting method and equipment | |
| CN108135028B (en) | Power control method, device and communication node | |
| CN102143593B (en) | Combined adaptive resource allocation method and device for PDCCH (Physical Downlink Control Channel) | |
| CN102215094B (en) | Method, system and equipment for sending and receiving uplink feedback information | |
| CN102164416B (en) | Method, system and equipment for transmitting data | |
| CN103765941B (en) | Wireless communication terminal device and wireless communication method | |
| CN102821470B (en) | A kind of physical downlink control channel resource distribution method and device | |
| CN104284424B (en) | Uplink control channel resource distribution method and base station in multiaerial system | |
| JP6523278B2 (en) | Terminal device, base station device, and communication method | |
| CN107889205B (en) | Uplink power control method and device | |
| CN108811060B (en) | Power control method and device | |
| KR20160110972A (en) | Uplink transmissions for dual connectivity | |
| CN102316586B (en) | Method and device for allocating wireless network temporary identification | |
| CN103517432B (en) | Channel resource indicating method and device | |
| CN104754742B (en) | A kind of resource allocation methods and device | |
| CN104125645A (en) | Control channel element (CCE) aggregation level determination method and device | |
| CN106793047B (en) | Uplink power control method and base station | |
| KR20140043494A (en) | Apparatus and method for uplink power control for variable interference conditions | |
| CN111373708B (en) | Resource allocation method for sub-PRB uplink transmission | |
| CN103843419A (en) | Method and system for power adjustment, base station, and user equipment | |
| CN110167173A (en) | A kind of sending method of upstream data, method of reseptance and device | |
| CN102316522B (en) | Notification method for control signaling transmission resource position and terminal | |
| CN102118870B (en) | Method and device for dispatching terminal | |
| CN102711251B (en) | Method and device for determining pilot frequency port | |
| CN103548286A (en) | Method and base station for power allocation in wireless system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |