CN102868502B - A kind of method and device for adjusting physical downlink control channel polymerization - Google Patents

A kind of method and device for adjusting physical downlink control channel polymerization Download PDF

Info

Publication number
CN102868502B
CN102868502B CN201110186779.7A CN201110186779A CN102868502B CN 102868502 B CN102868502 B CN 102868502B CN 201110186779 A CN201110186779 A CN 201110186779A CN 102868502 B CN102868502 B CN 102868502B
Authority
CN
China
Prior art keywords
cce
polymerization
degree
control channel
user terminal
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.)
Active
Application number
CN201110186779.7A
Other languages
Chinese (zh)
Other versions
CN102868502A (en
Inventor
闫金凤
赵刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201110186779.7A priority Critical patent/CN102868502B/en
Publication of CN102868502A publication Critical patent/CN102868502A/en
Application granted granted Critical
Publication of CN102868502B publication Critical patent/CN102868502B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a kind of method and device for adjusting physical downlink control channel polymerization, methods described includes:According to the hybrid automatic repeat-request HARQ testing results of the user terminal received, control channel resource CCE outer shroud adjustment amount Δ CCE is determined;According to the Δ CCE, current CCE degree of polymerization L is adjustedCCE.The present invention can more accurately estimate that PDCCH transmission channel qualities are estimated, so as to its CCE degree of polymerization of adaptive adjustment, and then ensure that PDCCH transmission performance according to the DTX of detection;Optimize PDCCH resource utilization rate simultaneously, it is to avoid excessive waste.

Description

A kind of method and device for adjusting physical downlink control channel polymerization
Technical field
The present invention relates to communication technique field, more particularly to a kind of method for adjusting physical downlink control channel polymerization And device.
Background technology
In 3GPP LTE (Long Term Evolution, Long Term Evolution) system, base station is according to UE (User Equipment, user terminal) transmission mode, and transmission plan gives user's selection to send various DCI (Downlink Control Information, Downlink Control Information) Format Type, it is carried on PDCCH (physical downlink Control channel, Physical Downlink Control Channel) in be transmitted.
In the LTE 10ms defined frame structure, one TTI (Transmission Time of 1ms descending sub frames correspondence Interval, Transmission Time Interval) in, PDCCH only takes up time domain and gone forward n OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexi) symbol, the remaining frequency after remaining channel occupancy is removed on frequency domain Band, wherein mainly including reference signal, PCFICH (Physical Control Format Indicator Channel, physics Format indication channel), PHICH (Physical HARQ Indicator Channel, Physical HARQ Indicator Channel;Wherein, HARQ is:Hybrid Automatic Repeat Request, hybrid automatic repeat-request) etc..Therefore row subframe in each of the lower Interior, only the reserved running time-frequency resource of limited quantity can be used for transmission Downlink Control Information, and this part is referred to as into control domain.
The least unit of PDCCH time-frequency resource allocatings is CCE (Control Channel Element, control channel money Source), a CCE includes 9 REG (Resource Element Group, resource unit group), i.e., 36 RE (Resource Element, resource unit).PDCCH uses QPSK (Quadrature Phase Shift Keying, quadrature phase shift key Control), in order to provide different reliabilities by code rate, it is allowed to which CCE has four kinds of degree of polymerization, respectively 1,2,4,8.
Prior art discloses a kind of method for determining number of channel control blocks, specific as follows:According to CQI (Channel Quality Indicator, CQI) information, determine in a radio frames what each optional PDCCH can be carried Maximum number bits;The maximum number bits that can be carried according to each PDCCH of determination, and be currently needed for the control signaling of transmission Data volume, it is determined that each PDCCH mass parameter;By mass parameter maximum in all PDCCH of determination mass parameter with Threshold value is compared, and a PDCCH is selected in all optional PDCCH from a radio frames according to comparative result, and really Determine the corresponding control channel numbers of blocks of PDCCH of selection.
A kind of method of PDCCH resource distribution is also disclosed in the prior art, it is specific as follows:It is multiple to divide PDCCH resource Control channel unit CCE collection;Integrated according to multiple CCE as the main CCE collection of cell configuration and auxiliary CCE collection;Main CCE collection resource is distributed to Cell Edge User, Cell Center User is distributed to by auxiliary CCE collection resource.
Above two method is all the channel quality of the channel quality estimation control channel PDCCH using Traffic Channel, from And determine the corresponding CCE degree of polymerization.Therefore, the above method has the following disadvantages:The radiation pattern of Traffic Channel and power control The presence of scheme and the control channels such as system very big difference, causing may between the quality of Traffic Channel and the quality of control channel There is larger difference, therefore may directly exist very with the quality of the channel quality information estimation control channel of Traffic Channel Big estimated bias.Its consequence is exactly horizontally selected improper of the corresponding CCE degree of polymerization, and PDCCH is not transmitted several times Merging gain, influence PDCCH transmission performance.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of method and dress for adjusting physical downlink control channel polymerization Put, to solve the problem of CCE degree of polymerization selects improper influence PDCCH transmission performance in the prior art.
In order to solve the above technical problems, on the one hand, the present invention provides a kind of adjustment physical downlink control channel polymerization Method, methods described includes:
According to the hybrid automatic repeat-request HARQ testing results of the user terminal received, control channel resource is determined CCE outer shroud adjustment amount Δ CCE;
According to the Δ CCE, current CCE degree of polymerization L is adjustedCCE
Further, when the HARQ testing results be the user terminal in current CCE degree of polymerization LCCEIssue on not connecting Supervention send the feedback information of DTX physical downlink control channel PDCCH, it is determined that control channel resource CCE outer shroud adjustment amount Δ CCE, be specially:
Wherein, Δ CCE initial value is 0;BLERt is the target block error rate BLER values being pre-configured with.
Further, when the HARQ testing results be the user terminal in current CCE degree of polymerization LCCEIssue on confirm The feedback information of character ACK or negative acknowledge character NACK physical downlink control channel PDCCH, it is determined that control channel resource CCE Outer shroud adjustment amount Δ CCE, be specially:
Wherein, Δ CCE initial value is 0;BLERtIt is the target block error rate BLER values being pre-configured with.
Further, according to the Δ CCE, current CCE degree of polymerization L is adjustedCCE, specifically include:
When the Δ CCE is more than the CCE degree of polymerization set in advance up-regulation threshold T hr and is less than the user terminal most During the big CCE degree of polymerization, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× a, and make Δ CCE=0;Wherein, a is more than 1 just Number;
When the Δ CCE is less than the CCE degree of polymerization set in advance downward threshold T hr1 and is more than the user terminal most During the small CCE degree of polymerization, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× b, and make Δ CCE=0;Wherein, b is less than 1 just Number;
When Thr1≤Δ CCE≤Thr, the Δ CCE are more than or equal to the maximum CCE degree of polymerization or the Δ of the user terminal When CCE is less than or equal to the minimum CCE degree of polymerization of the user terminal, current CCE degree of polymerization L is keptCCEIt is constant.
Further, Thr=f " (BLERt);0 < Thr1 < 5.
On the other hand, the present invention also provides a kind of device for adjusting physical downlink control channel polymerization, described device bag Include:
Outer shroud adjustment amount determining unit, for the hybrid automatic repeat-request HARQ detections according to the user terminal received As a result, control channel resource CCE outer shroud adjustment amount Δ CCE is determined;
CCE degree of polymerization adjustment units, for according to the Δ CCE, adjusting current CCE degree of polymerization LCCE
Further, outer shroud adjustment amount determining unit includes:
First outer shroud adjustment amount determination subelement, for when the HARQ testing results be the user terminal in current CCE Degree of polymerization LCCEDuring the feedback information on the physical downlink control channel PDCCH of discontinuous transmitting DTX issued, it is determined that describedWherein, Δ CCE initial value is 0;BLERt is the target being pre-configured with BLock error rate BLER values.
Further, outer shroud adjustment amount determining unit includes:
Second outer shroud adjustment amount determination subelement, for when the HARQ testing results be the user terminal in current CCE Degree of polymerization LCCEThe feedback information of the physical downlink control channel PDCCH on confirming character ACK or negative acknowledge character NACK issued When, it is determined that describedWherein, Δ CCE initial value is 0;BLERt is The target block error rate BLER values being pre-configured with.
Further, the CCE degree of polymerization adjustment unit includes:
Subelement is raised, for when the Δ CCE is more than the CCE degree of polymerization set in advance up-regulation threshold T hr and is less than During the maximum CCE degree of polymerization of the user terminal, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× a, and make Δ CCE=0;Wherein, A is the positive number more than 1;
Subelement is lowered, for lowering threshold T hr1 and big when the Δ CCE is less than the CCE degree of polymerization set in advance When the minimum CCE degree of polymerization of the user terminal, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× b, and make Δ CCE=0;Its In, b is the positive number less than 1;
Subelement is kept, the maximum for being more than or equal to the user terminal as Thr1≤Δ CCE≤Thr, the Δ CCE When the CCE degree of polymerization or the Δ CCE are less than or equal to the minimum CCE degree of polymerization of the user terminal, current CCE degree of polymerization L is keptCCE It is constant.
Further, Thr=f " (BLERt);0 < Thr1 < 5.
The present invention has the beneficial effect that:
The present invention can more accurately estimate PDCCH transmission channel qualities, so as to adaptive according to the DTX of detection Its CCE degree of polymerization of the adjustment answered, and then ensure that PDCCH transmission performance;Optimize PDCCH resource utilization rate simultaneously, it is to avoid Excessive waste.
Brief description of the drawings
Fig. 1 is a kind of flow chart for the method for adjusting physical downlink control channel polymerization in the embodiment of the present invention;
Fig. 2 is a kind of structural representation for the device for adjusting physical downlink control channel polymerization in the embodiment of the present invention.
Embodiment
In order to solve the problem of CCE degree of polymerization selects improper influence PDCCH transmission performance in the prior art, the present invention There is provided a kind of method and device for adjusting physical downlink control channel polymerization, below in conjunction with accompanying drawing and embodiment, to this Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not Limit the present invention.
The core concept of method of the present invention adjustment PDCCH degree of polymerization is:What the PDCCH detected according to base station end was transmitted DTX state, the CCE degree of polymerization level for carrying out PDCCH carries out the closed loop adjustment of step-length accumulating.
As shown in figure 1, the present embodiments relate to a kind of method for adjusting physical downlink control channel polymerization, including:
Step S101, according to the hybrid automatic repeat-request HARQ testing results of the user terminal received, it is determined that control Channel resource CCE outer shroud adjustment amount Δ CCE;
In this step, each UE safeguards a CCE outer shroud adjustment amount Δs CCE;One " DTX " adjusting stepWherein, " DTX " refers to:Discontinuous Transmission, it is discontinuous to send;One " non-DTX " adjusting stepIt is " non- DTX " is ACK (Acknowledgement confirms character) or NACK (Negative ACKnowledgment, negative acknowledge character) Information;The current newest CCE degree of polymerization of UE:Lx;CCE degree of polymerization L interim UECCE′。
After UE attach (launch position enrollment process), Δ CCE=0 is initialized, I.e.:Respectively BLERtFunction, for example,X is arbitrarily just Integer, can rule of thumb value, the setting of limited number of time can also be passed through, pass through to adjust and obtain optimal values;Or,Y is any positive integer, can rule of thumb value, also may be used So that by the setting of limited number of time, optimal values are obtained by adjusting.Wherein, BLERtIt is backstage configuration target BLER (Block Error Ratio, bLock error rate) value, span (0,1).CCE degree of polymerization up-regulation thresholding Thr=f " (BLERt), i.e.,:Thr For BLERtFunction.For example, Thr=BLERt× z, wherein, z is any positive integer, can rule of thumb value, can also be through The setting of limited number of time is crossed, optimal values are obtained by adjusting.The CCE degree of polymerization lowers thresholding Thr1, span 0~5, i.e. 0 < Thr1 < 5.
When HARQ testing results be the user terminal in current CCE degree of polymerization LCCEIssue on discontinuous transmitting DTX The feedback information of physical downlink control channel PDCCH, it is determined that control channel resource CCE outer shroud adjustment amount Δ CCE, specifically For:
Wherein, Δ CCE initial value is 0;BLERtIt is the target block error rate BLER values being pre-configured with;
When HARQ testing results be the user terminal in current CCE degree of polymerization LCCEIssue on confirm character ACK or no Determine the feedback information of character NACK physical downlink control channel PDCCH, it is determined that control channel resource CCE outer shroud adjustment amount Δ CCE, be specially:
Wherein, Δ CCE initial value is 0;BLERtIt is the target block error rate BLER values being pre-configured with;
Step S102, according to the Δ CCE, adjusts current CCE degree of polymerization LCCE
In this step, threshold T hr is raised and less than the user terminal when Δ CCE is more than the CCE degree of polymerization set in advance The maximum CCE degree of polymerization when, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× a, and Δ CCE is adjusted to 0, i.e.,:Δ CCE= 0;Wherein, a is the positive number more than 1, for example, a=2.During adjustment, L is made firstCCE'=LCCE×a;Then by LCCE' value Give LCCE, i.e.,:LCCE=LCCE′。
Threshold T hr1 is lowered when Δ CCE is less than the CCE degree of polymerization set in advance and more than the minimum of the user terminal During the CCE degree of polymerization, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× b, and make Δ CCE=0;Wherein, b is the positive number less than 1, Such as b=0.5;During adjustment, L is made firstCCE'=LCCE×b;Then by LCCE' value give LCCE, i.e.,:LCCE=LCCE′。
When Thr1≤Δ CCE≤Thr, Δ CCE maximum CCE degree of polymerization or Δ CCE for being more than or equal to the user terminal is less than Equal to the user terminal the minimum CCE degree of polymerization when, keep current CCE degree of polymerization LCCEIt is constant.
It is described in detail below with an instantiation:
If certain UE safeguards a CCE outer shroud adjustment amount Δs CCE;One " DTX " adjusting stepValue is 0.5;One " non-DTX " (i.e. ACK or nack message) adjusting stepThe current newest CCE degree of polymerization of UE:LCCE;CCE interim UE Degree of polymerization LCCE′.The HARQ feedback information order received is as follows:[DTX ACK NACK DTX DTX ACK NACK].
Adjustment amount calculation procedure is as follows:
Step 1:After UE attach, Δ CCE=0 is initialized, backstage configuration target bler values are 0.01, i.e.,: BLERt=0.01. Thresholding is adjusted in the CCE degree of polymerization Thr=BLERt* 100=1.Thresholding Thr1, value 0.5 are adjusted under the CCE degree of polymerization.CCE degree of polymerization L current UECCEFor 2.
Step 2:When receiving the HARQ testing results of the UE and the information be in current CCE degree of polymerization LCCEIssue PDCCH feedback, then carry out calculating adjustment amount [DTX ACK NACK DTX DTX ACK NACK] according to following HARQ orders:
Input as DTX:
Because Δ CCE is equal to thresholding Thr and is more than Thr1, then LCCE′LCCE, and LCCE=2;
Input as ACK:
Because Δ CCE is less than thresholding Thr and is more than Thr1, then LCCE′LCCE, and LCCE=LCCE'=2;
Input as NACK:
Because Δ CCE is less than thresholding Thr and is more than Thr1, then LCCE′LCCE, and LCCE=LCCE'=2;
Input as DTX:
Because Δ CCE is more than thresholding Thr, then LCCE′LCCE× 2, and LCCE=LCCE'=4;Make Δ CCE=0;
Input as DTX:
Because Δ CCE is equal to thresholding Thr and is more than Thr1, then LCCE′LCCE, and LCCE=4;
Input as ACK:
Because Δ CCE is less than thresholding Thr and is more than Thr1, then LCCE′LCCE, and LCCE=LCCE'=4;
Input as NACK:
Because Δ CCE is less than thresholding Thr and is more than Thr1, then LCCE′LCCE, and LCCE=LCCE'=4.
Gather as shown in Fig. 2 the embodiment of the present invention further relates to a kind of adjustment Physical Downlink Control Channel for realizing the above method Right device, including:
Outer shroud adjustment amount determining unit 201, for the hybrid automatic repeat-request HARQ according to the user terminal received Testing result, determines control channel resource CCE outer shroud adjustment amount Δ CCE;
CCE degree of polymerization adjustment unit 202, for according to Δ CCE, adjusting current CCE degree of polymerization LCCE
Wherein, outer shroud adjustment amount determining unit includes:
First outer shroud adjustment amount determination subelement 2021, for being in the current CCE of the user terminal when HARQ testing results Degree of polymerization LCCEDuring the feedback information on the physical downlink control channel PDCCH of discontinuous transmitting DTX issued, it is determined thatWherein, Δ CCE initial value is 0;I.e.For BLERtFunction, BLERtIt is the target block error rate BLER values being pre-configured with.
Second outer shroud adjustment amount determination subelement 2022, for being in the current CCE of the user terminal when HARQ testing results Degree of polymerization LCCEThe feedback information of the physical downlink control channel PDCCH on confirming character ACK or negative acknowledge character NACK issued When, it is determined thatWherein, Δ CCE initial value is 0;I.e.For BLERtFunction, BLERtIt is the target block error rate BLER values being pre-configured with.
The CCE degree of polymerization adjustment unit 202 includes:
Subelement 2021 is raised, for when Δ CCE is more than the CCE degree of polymerization set in advance up-regulation threshold T hr and is less than During the maximum CCE degree of polymerization of the user terminal, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× a, and make Δ CCE=0;Wherein, A is the positive number more than 1;
Subelement 2022 is lowered, for lowering threshold T hr1 and big when Δ CCE is less than the CCE degree of polymerization set in advance When the minimum CCE degree of polymerization of the user terminal, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× b, and make Δ CCE=0;Its In, b is the positive number less than 1;
Subelement 2023 is kept, the maximum for being more than or equal to the user terminal as Thr1≤Δ CCE≤Thr, Δ CCE When the CCE degree of polymerization or Δ CCE are less than or equal to the minimum CCE degree of polymerization of the user terminal, current CCE degree of polymerization L is keptCCEIt is constant.
Wherein, Thr=f " (BLERt), i.e.,:Thr is BLERtFunction.For example, Thr=BLERX × z, wherein, z is to appoint Anticipate positive integer, can rule of thumb value, the setting of limited number of time can also be passed through, pass through to adjust and obtain optimal values.CCE polymerize Degree downward thresholding Thr1, span 0~5, i.e.,:0 < Thr1 < 5.
As can be seen from the above-described embodiment, the present invention can more accurately estimate that PDCCH is transmitted according to the DTX of detection Channel quality, so as to its CCE degree of polymerization of adaptive adjustment, and then ensure that PDCCH transmission performance;Optimize simultaneously PDCCH resource utilization rate, it is to avoid excessive waste.
Although for example purpose, having been disclosed for the preferred embodiments of the present invention, those skilled in the art will recognize Various improvement, increase and substitution are also possible, and therefore, the scope of the present invention should be not limited to above-described embodiment.

Claims (6)

1. a kind of method for adjusting physical downlink control channel polymerization, it is characterised in that methods described includes:
According to the hybrid automatic repeat-request HARQ testing results of the user terminal received, determine control channel resource CCE's Outer shroud adjustment amount Δ CCE;
According to the Δ CCE, current CCE degree of polymerization L is adjustedCCE
When the HARQ testing results be the user terminal in current CCE degree of polymerization LCCEIssue on discontinuous transmitting DTX The feedback information of physical downlink control channel PDCCH, it is determined that control channel resource CCE outer shroud adjustment amount Δ CCE, specifically For:
For BLERtFunction;
Wherein, Δ CCE initial value is 0;BLERtIt is the target block error rate BLER values being pre-configured with;
It is described according to the Δ CCE, adjust current CCE degree of polymerization LCCE, specifically include:
Threshold T hr is raised when the Δ CCE is more than the CCE degree of polymerization set in advance and less than the maximum CCE of the user terminal During the degree of polymerization, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× a, and make Δ CCE=0;Wherein, a is the positive number more than 1;
Threshold T hr1 is lowered when the Δ CCE is less than the CCE degree of polymerization set in advance and more than the minimum of the user terminal During the CCE degree of polymerization, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× b, and make Δ CCE=0;Wherein, b is the positive number less than 1;
When Thr1≤Δ CCE≤Thr, the Δ CCE are more than or equal to the maximum CCE degree of polymerization or the Δ CCE of the user terminal Less than or equal to the user terminal the minimum CCE degree of polymerization when, keep current CCE degree of polymerization LCCEIt is constant.
2. the method for physical downlink control channel polymerization is adjusted as claimed in claim 1, it is characterised in that or, work as institute State HARQ testing results for the user terminal in current CCE degree of polymerization LCCEIssue on confirming character ACK or negative acknowledge character The feedback information of NACK physical downlink control channel PDCCH, it is determined that control channel resource CCE outer shroud adjustment amount Δ CCE, be specially:
For BLERtFunction;
Wherein, Δ CCE initial value is 0;BLERtIt is the target block error rate BLER values being pre-configured with.
3. the method for physical downlink control channel polymerization is adjusted as claimed in claim 1, it is characterised in that Thr is BLERt Function;0 ﹤ Thr1 ﹤ 5.
4. a kind of device for adjusting physical downlink control channel polymerization, it is characterised in that described device includes:
Outer shroud adjustment amount determining unit, knot is detected for the hybrid automatic repeat-request HARQ according to the user terminal received Really, control channel resource CCE outer shroud adjustment amount Δ CCE is determined;
CCE degree of polymerization adjustment units, for according to the Δ CCE, adjusting current CCE degree of polymerization LCCE
Outer shroud adjustment amount determining unit includes:
First outer shroud adjustment amount determination subelement, for being that the user terminal polymerize in current CCE when the HARQ testing results Spend LCCEDuring the feedback information on the physical downlink control channel PDCCH of discontinuous transmitting DTX issued, it is determined that describedWherein, Δ CCE initial value is 0;For BLERtFunction;BLERtIt is pre-configured with Target block error rate BLER values;
The CCE degree of polymerization adjustment unit includes:
Subelement is raised, for raising threshold T hr and less than the use when the Δ CCE is more than the CCE degree of polymerization set in advance During the maximum CCE degree of polymerization of family terminal, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× a, and make Δ CCE=0;Wherein, a is Positive number more than 1;
Subelement is lowered, for being somebody's turn to do when the Δ CCE is less than the CCE degree of polymerization set in advance downward threshold T hr1 and is more than During the minimum CCE degree of polymerization of user terminal, by current CCE degree of polymerization LCCEIt is adjusted to LCCE× b, and make Δ CCE=0;Wherein, b For the positive number less than 1;
Subelement is kept, the maximum CCE for being more than or equal to the user terminal as Thr1≤Δ CCE≤Thr, the Δ CCE gathers When right or described Δ CCE is less than or equal to the minimum CCE degree of polymerization of the user terminal, current CCE degree of polymerization L is keptCCEIt is constant.
5. the device of physical downlink control channel polymerization is adjusted as claimed in claim 4, it is characterised in that outer shroud adjustment amount Determining unit includes:
Second outer shroud adjustment amount determination subelement, for being that the user terminal polymerize in current CCE when the HARQ testing results Spend LCCEDuring the feedback information of the physical downlink control channel PDCCH on confirming character ACK or negative acknowledge character NACK issued, It is determined that describedWherein, Δ CCE initial value is 0;For BLERtFunction;BLERtIt is pre- The target block error rate BLER values first configured.
6. the device of physical downlink control channel polymerization is adjusted as claimed in claim 4, it is characterised in that Thr is BLERt Function;0 ﹤ Thr1 ﹤ 5.
CN201110186779.7A 2011-07-05 2011-07-05 A kind of method and device for adjusting physical downlink control channel polymerization Active CN102868502B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110186779.7A CN102868502B (en) 2011-07-05 2011-07-05 A kind of method and device for adjusting physical downlink control channel polymerization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110186779.7A CN102868502B (en) 2011-07-05 2011-07-05 A kind of method and device for adjusting physical downlink control channel polymerization

Publications (2)

Publication Number Publication Date
CN102868502A CN102868502A (en) 2013-01-09
CN102868502B true CN102868502B (en) 2017-08-25

Family

ID=47447117

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110186779.7A Active CN102868502B (en) 2011-07-05 2011-07-05 A kind of method and device for adjusting physical downlink control channel polymerization

Country Status (1)

Country Link
CN (1) CN102868502B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104244393B (en) * 2013-06-24 2018-01-05 普天信息技术研究院有限公司 A kind of method and apparatus for adjusting Physical Downlink Control Channel
CN105101104B (en) * 2014-04-18 2019-01-01 成都鼎桥通信技术有限公司 Method, base station and the monitor terminal of CCE aggregation levels are adjusted in group service
CN104038331B (en) * 2014-06-27 2017-07-28 华为技术有限公司 The aggregation level method of adjustment of control channel and base station
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
CN108156663A (en) * 2017-12-25 2018-06-12 西安科技大学 A kind of method for improving control channel resource allocation in LTE
CN112188624B (en) * 2020-09-08 2022-07-12 北京长焜科技有限公司 LTE downlink control channel resource allocation method
CN114867108B (en) * 2022-06-09 2023-11-28 中国联合网络通信集团有限公司 Paging processing method and base station

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101663908A (en) * 2007-02-28 2010-03-03 株式会社Ntt都科摩 Base station device and communication control method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2248294B1 (en) * 2008-03-16 2018-05-02 LG Electronics Inc. Method of performing hybrid automatic repeat request (harq) in wireless communication system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101663908A (en) * 2007-02-28 2010-03-03 株式会社Ntt都科摩 Base station device and communication control method

Also Published As

Publication number Publication date
CN102868502A (en) 2013-01-09

Similar Documents

Publication Publication Date Title
CN102868502B (en) A kind of method and device for adjusting physical downlink control channel polymerization
EP3346772B1 (en) Method and apparatus for controlling transmit power in wireless communication system
EP3429112B1 (en) Methods, apparatuses and user equipment for hybrid automatic repeat request transmission
CN102611666B (en) Outer loop link adaptive implementation method and device
CN102378255B (en) Method and device for improving transmission performance of physical downlink control channel (PDCCH)
KR102233137B1 (en) Implementation of harq on pusch for multiple carriers
CN104579603B (en) A kind of downlink dispatching method and device based on HARQ
WO2006046586A1 (en) Data communication apparatus, data receiving apparatus, data transmitting apparatus, and retransmittal control method
CN104202828A (en) Control information transmitting and receiving method, control information transmitting and receiving device, and control information transmitting system
CN101207461A (en) Method and apparatus for self-adapting regulation of threshold value
CN102892186B (en) Method and device for determining physical downlink control channel resource
CN106134242B (en) Method for receiving data and the device using this method
CN107925971A (en) Terminal installation, base station apparatus, communication means and integrated circuit
CN109787720A (en) A kind of hybrid automatic repeat-request transmission method, device and system
CN105634688A (en) Method and device of realizing data transmission
CN104348576B (en) The determination method and system of MCS grades during descending HARQ is retransmitted
CN102255708A (en) Method and device for transmitting feedback information
CN106656411B (en) method and system for scheduling MCS in HARQ (hybrid automatic repeat request) binding mode
CN104243109A (en) Uplink data mixed automatic retransmission request information indication method
CN105745953A (en) Terminal device, base station device, and integrated circuit
CN111416687A (en) Method and apparatus used in communication device for channel sensing
CN107453846A (en) The method, apparatus and system of a kind of data transfer
CN103986551B (en) A kind of determination method and device of physical downlink control channel resource
CN102412945B (en) Power configuration method for physical harq indication channel
CN105940745A (en) Terminal apparatus, base station apparatus, and integrated circuit

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant