CN103716823A - Downlink control information blind test indication sending method and downlink control information blind test method in LTE/LTE-A system - Google Patents
Downlink control information blind test indication sending method and downlink control information blind test method in LTE/LTE-A system Download PDFInfo
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Abstract
The invention provides a downlink control information blind test indication sending method in an LTE/LTE-A system. The method comprises steps that: residential user data and downlink control information are scheduled, and a residential physical downlink control domain time domain span is determined; the number of residential physical downlink control domain idle resources and the time frequency resource position are determined; whether the number of the residential physical downlink control domain idle resources is smaller than a preset value is determined, if no, continues; if yes, ends; residential downlink control information blind test indication is generated; channel coding for the residential downlink control information blind test indication is carried out to generate a code word; physical downlink control information blind test indication channel processing on the code word is carried out. The invention further provides a downlink control information blind test method in the LTE/LTE-A system. According to the methods, physical downlink control domain idle CCH-RE is utilized to sent the downlink control information blind test indication, so downlink control information blind test efficiency of a terminal is improved while system time frequency resource cost and signaling cost do not increase.
Description
Technical field
The present invention relates to Downlink Control Information blind check indication in a kind of wireless communication system and send and Downlink Control Information blind check method, particularly relate to transmission and the Downlink Control Information blind check method of Downlink Control Information blind check indication in a kind of LTE/LTE-A system.
Background technology
In LTE/LTE-A system, Downlink Control Information (Downlink Control Information is called for short DCI) is mainly used in transmitting up-downgoing schedule information, uplink power control indication etc.DCI can support the position candidate in multiple descending control information format and various control Channel Elements (Control Channel Element is called for short CCE) polymerization grade and multiple search volume.End side is unknown to above-mentioned information, therefore need to obtain the Downlink Control Information that sends to terminal by Downlink Control Information blind check process.Especially introduced after carrier aggregation and enhancement mode Physical Downlink Control Channel (Enhanced Physical Downlink Control Channel is called for short EPDCCH), the Downlink Control Information blind check complexity of terminal has improved greatly.So be necessary to study a kind of method that can improve the Downlink Control Information blind check efficiency of terminal, help terminal improve handling property and save the energy.
In prior art, some scheme is used blind check indication notification terminal whether to carry out blind check operation, the data volume that the blind check indication that this method is used comprises increases along with the increase of the terminal number in community, and need to open up fixing running time-frequency resource carrying blind check indication, so the expense to system time frequency resource is larger, reduced cell spectrum efficiency; Also have some schemes to limit the scheduling of the Downlink Control Information in standard, this method has reduced the flexibility of Downlink Control Information scheduling.
In LTE/LTE-A standard, physical down control domain is used resource unit group (Resource Element Group is called for short REG) definition down control channel to the time-frequency Resource Unit mapping relations of (Resource Element is called for short RE).The cell reference signals of system configuration (Cell-specific Reference Signal, be called for short CRS) port number and Cyclic Prefix (Cyclic Prefix is called for short CP) type decided the size of REG (4 RE or 6 RE) on each time domain OFDM symbol in physical down control domain.If REG comprises 6 RE, wherein 2 RE are used for shining upon CRS, in this patent, be called coherent reference signal resource unit, community (Cell-specific Reference Signal Resource Element, be called for short CRS-RE), other 4 RE are used for shining upon down control channel, in this patent, be called control channel Resource Unit (Control Channel Resource Element is called for short CCH-RE); If REG comprises 4 RE, these 4 RE are CCH-RE.
(the Physical Downlink Control Channel of Physical Downlink Control Channel in LTE/LTE-A standard, be called for short PDCCH) with control channel unit (Control Channel Element, be called for short CCE) for unit carries out resource mapping, wherein, 1 CCE comprises 9 REG.If total REG number deducts Physical Control Format Indicator Channel (Physical Control Format Indicator Channel in physical down control domain, be called for short PCFICH) and physical hybrid automatic repeat request indicator channel (Physical HARQ Indicator Channel, abbreviation PHICH) after the REG number using, remaining REG number (being designated as N) is not 9 integral multiple, will produce so M idle REG, M=N mod9 wherein, comprising 4*M idle CCH-RE.The number of idle CCH-RE and time-frequency position be by downlink system bandwidth, CRS port number, resource, cell ID (Cell ID) and physical down control domain time domain span that PHICH is used
determine.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide Downlink Control Information blind check indication in a kind of LTE/LTE-A system to send and Downlink Control Information blind check method, for solving the problem that prior art Downlink Control Information blind check complexity is high, efficiency is lower.
For achieving the above object and other relevant objects, the invention provides Downlink Control Information blind check indication sending method in a kind of LTE/LTE-A system, comprising: the step of dispatching cell user data and Downlink Control Information and definite described community physical down control domain time domain span; Determine the step of described community physical down control domain slack resources number and running time-frequency resource position; Judge whether described community physical down control domain slack resources number is less than the step of preset value, if be not less than, continue; If be less than, finish; Generate the step of described cell downlink control information blind check indication; Described cell downlink control information blind check indication is carried out to the step of chnnel coding generated codeword; Described code word is carried out to the step that physical down control information blind check indicating channel is processed.
In addition, the present invention also provides a kind of Downlink Control Information blind check method in LTE/LTE-A system, comprising: the step of carrying out community Physical Control Format Indicator Channel reception and decoding definite physical down control domain time domain span; Determine whether the step of FDD standard; If FDD standard is carried out and is determined the number of community physical down control domain slack resources and the step of time-frequency position; If not FDD standard, judge whether known effective ascending-descending subframes config. number (being " the Uplink-downlink configuration " defining in standard 3GPP TS36.211), if known, carry out and determine the number of described community physical down control domain slack resources and the step of time-frequency position; If unknown, finish; Judge whether community physical down control domain slack resources number is less than the step of preset value; If be not less than, solve Downlink Control Information blind check indication; If be less than, finish; According to described Downlink Control Information blind check indication blind check Downlink Control Information.
As mentioned above, in LTE/LTE-A system of the present invention, Downlink Control Information blind check indication sends and Downlink Control Information blind check method, there is following beneficial effect: utilize the idle CCH-RE of physical down control domain to send Downlink Control Information blind check indication, realization, in the situation that not increasing system time frequency resource expense and signaling consumption, helps terminal to improve Downlink Control Information blind check efficiency.
Accompanying drawing explanation
Fig. 1 is shown as Downlink Control Information blind check indication sending method embodiment flow chart in LTE/LTE-A system of the present invention;
Fig. 2 is shown as shown in Fig. 1 the flow chart of the process of resource mapping in flow process;
Fig. 3 is shown as Downlink Control Information blind check embodiment of the method flow chart in LTE/LTE-A system of the present invention.
Embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Refer to accompanying drawing.It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, during its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
For making those skilled in the art be easier to understand present embodiment, first make agreement below:
Physical down control domain: in middle finger descending sub frame of the present invention (TDD standard comprises descending conventional subframe and descending special time slot DwPTS) for mapping physical down control channel (PCFICH, PHICH and PDCCH) physical down running time-frequency resource space, before comprising
the running time-frequency resource of correspondence on individual OFDM symbol.Wherein,
represent the time domain span of physical down control domain, take ODFM symbol as unit.
Physical down control domain slack resources: the idle CCH-RE of physical down control domain that middle finger of the present invention produces due to the integral multiple that is not 9 for the REG number of PDCCH in physical down control domain.Specifically referring to background technology introduction.
Downlink Control Information blind check indication (DCI Blind-decoding Indicator, be called for short DBI): middle finger of the present invention base station is according to the Downlink Control Information of dispatching in the current descending sub frame in community of the requirement of system design statistics characteristic information of (Downlink Control Information is called for short DCI).By base station, send to terminal, for assisting terminal to carry out cell downlink control information (DCI) blind check.
Physical down control information blind check indicating channel (Physical DCI Blind-decoding Indicator Channel is called for short PDBICH): middle finger of the present invention is used for carrying the physical down channel of cell downlink control information blind check indication (DBI).
In the LTE/LTE-A system that the present invention proposes, Downlink Control Information blind check indication sends and Downlink Control Information blind check method, its basic thought is: because number and the time-frequency position of community physical down control domain slack resources can be by cell system bandwidth, community coherent reference signal (CRS) port number, the running time-frequency resource that physical mixed automatic re-transmission indicating channel (PHICH) is used, cell ID (Cell ID) and physical down control domain time domain span determination, above-mentioned parameter terminal is all known, so the number of community physical down control domain slack resources and the cognition of time-frequency positional information base station and terminal are consistent, without extra signaling indication.Therefore base station can be carried on the cell downlink control information blind check indication (DBI) generating on physical down control domain slack resources and send to terminal, terminal just can receive corresponding Downlink Control Information blind check indication (DBI) from community physical down control domain slack resources without extra signaling indication, and carries out Downlink Control Information blind check flow process based on this.So just realized in the situation that not increasing the extra running time-frequency resource expense of system and signaling consumption, sent cell downlink control information blind check indication (DBI), improved the efficiency of terminal Downlink Control Information (DCI) blind check.
In a kind of LTE/LTE-A system that the present invention proposes, Downlink Control Information blind check indication sends and Downlink Control Information blind check method, relates to Downlink Control Information blind check indication and sends (base station side) and two parts of Downlink Control Information blind check blind check (end side).
It is as follows that Downlink Control Information blind check indication sends (base station side) implementation method: in cell downlink subframe (for TDD standard, descending sub frame comprises conventional descending sub frame and descending special time slot DwPTS) while arriving, base station completes after these community user data and Downlink Control Information (DCI) scheduling, according to the time domain span of cell downlink system bandwidth, cell reference signals (CRS) port number, physical down control domain
(unit: OFDM symbol) and the running time-frequency resource number that uses of physical mixed automatic re-transmission indicating channel (PHICH) determine this community physical down control domain slack resources number and time-frequency position.
If physical down control domain slack resources number is more than or equal to the threshold value of setting in this descending sub frame, base station, according to the scheduling situation of cell downlink control information (DCI) and physical down control domain slack resources number, generates cell downlink control information blind check indication (DBI).Wherein, Downlink Control Information blind check indication (DBI) form (comprising information bit number and particular content) can according to system need set, but the cognition that principle is base station and terminal must be consistent.
Base station is used the coded system of design in advance to carry out chnnel coding generated codeword to cell downlink control information blind check indication (DBI), then uses physical down control information blind check indicating channel (PDBICH) to carry this code word.Wherein, the inner handling process of above-mentioned coding flow process and physical down control information blind check indicating channel (PDBICH) can according to system need set, but principle is: the cognition of (1) base station and terminal must be consistent; (2) physical down control information blind check indicating channel (PDBICH) must be mapped on physical down control domain slack resources.
Downlink Control Information blind check (end side) implementation method is as follows: terminal is carried out community Physical Control Format Indicator Channel (PCFICH) and received and decoding flow process, determines community physical down control domain time domain span
(unit: OFDM symbol);
Terminal is determined number and the time-frequency position of community physical down control domain slack resources, and the method for employing is identical with base station side.For TDD standard, terminal need to first be known effective ascending-descending subframes config. number.
If physical down control domain slack resources number is more than or equal to the threshold value of setting in cell downlink subframe, terminal is according to known Downlink Control Information blind check indication (DBI) form, coding flow process and physical down control information blind check indicating channel (PDBICH) handling process, carry out physical down control information blind check indicating channel and receive and decoding flow process, solve the content of cell downlink control information blind check indication (DBI);
Terminal is obtained the content of cell downlink control information blind check indication (DBI), and carries out accordingly Downlink Control Information (DCI) blind check flow process.
Below in conjunction with Fig. 1, Downlink Control Information blind check indication sending method flow process in LTE/LTE-A system of the present invention is first described.Figure 1 shows that Downlink Control Information blind check indication sending method embodiment flow chart in LTE/LTE-A system of the present invention, step S101 represents dispatching cell user data and Downlink Control Information (DCI) and definite community physical down control domain time domain span
Step S102 represents to determine community physical down control domain slack resources number and running time-frequency resource position.Wherein said physical down control domain slack resources number and running time-frequency resource position, resource and the physical down control domain time domain span by cell downlink system bandwidth, community coherent reference signal (CRS) port number, cell ID (Cell ID), physical mixed automatic re-transmission indicating channel (PHICH), used
determine (definite method pass away scape technology introduction).
Step S103 represents to judge whether community physical down control domain slack resources number is less than preset value (unit: RE), if be not less than, perform step S104; If be less than, finish.Wherein, this preset value value is variable according to actual needs.Usually, when slack resources number is more than or equal to 8, just transmit Downlink Control Information blind check indication, in this example, preset value gets 8.
Step S104 represents to generate cell downlink control information blind check indication.The content of Downlink Control Information blind check indication is the PDCCH form situation statistics that in current descending sub frame, Downlink Control Information is used.Wherein, PDCCH form comprises 4 kinds: form 0, form 1, form 2, form 3.4 kinds of forms represent respectively to use 1 CCE, 2 CCE, 4 CCE, 8 CCE.In the present embodiment, provide a kind of Downlink Control Information blind check indication generation method: the meaning that Downlink Control Information blind check indication (DBI) information bit number and each bit represent is relevant to physical down control domain slack resources number, in this example, the meaning that Downlink Control Information blind check indication (DBI) information bit number and each bit represent is as shown in table 1.
Table 1
It should be noted that, the method of base station generation cell downlink control information blind check indication is not unique, provides another execution mode below: the content of Downlink Control Information blind check indication is the scrambling RNTI type cases statistics that in current descending sub frame, Downlink Control Information is used.Wherein, RNTI type comprises: SI-RNTI, P-RNTI, RA-RNRI, Temporary C-RNTI, TPC-PUCCH-RNTI, TPC-PUSCH-RNTI, SPS C-RNTI, C-RNTI.In present embodiment, the meaning that Downlink Control Information blind check indication (DBI) information bit number and each bit represent is relevant to physical down control domain slack resources number, and the meaning that Downlink Control Information blind check indication (DBI) information bit number and each bit represent is as shown in table 2:
Table 2
Step S105 represents cell downlink control information blind check indication to carry out chnnel coding generated codeword.In this example, what chnnel coding adopted is that code check is 1/16 Linear block coding mode.Select the reason of this coded system to be: terminal is after solving Downlink Control Information indication, execution mode for the corresponding step S104 use of the RNTI(table 2 that there is no the PDCCH form (corresponding step S104 is used table 1 execution mode) of use or do not have to use) do not carry out blind check, therefore correct decoding is very crucial, if there is decoding error, may cause the undetected of Downlink Control Information (DCI).Adopted the channel coding method that in standard, Physical Control Format Indicator Channel is used, the linear block codes that code check is 1/16 for this reason.
Step S106 represents that code word is carried out to physical down control information blind check indicating channel to be processed.In this example, code word is carried out to the processing of physical down control information blind check indicating channel and comprise scrambling, modulation, layer mapping, precoding and resource mapping process.Wherein, scrambling, modulation, layer mapping, precoding adopt the processing method (referring to standard 3GPP TS36.211) consistent with PCFICH.Wherein, in resource mapping process, complex-valued sequences to be mapped is expressed as y
(p)(m), wherein p represents antenna end slogan, p=0, and 1 ..., P-1, wherein, P is CRS port number, sequence numbering m=0,1 ..., M-1, M is complex-valued sequences length.This complex-valued sequences need to be mapped on the physical down control domain slack resources that respective antenna port p is corresponding, the mode of mapping can have multiple, below in conjunction with Fig. 2, the flow process of in present embodiment, complex-valued sequences corresponding on each port being carried out to resource mapping is introduced.Figure 2 shows that shown in Fig. 1 the flow chart of the process of resource mapping in flow process.Wherein, step S201 represents initialization sequence numbering m, in this example, m is initialized as to 0.Step S202 represents initialization time domain OFDM symbol number l, in this example, OFDM symbol number is initialized as to 0.Step S203 represents initialization subcarrier in frequency domain numbering k, in this example, subcarrier number is initialized as to 0.Step S204 represents to judge whether downlink physical Resource Unit (k, l) is physical down control domain slack resources, if so, performs step S205, otherwise, execution step S208.Step S205 represents complex value symbol y
(p)(m) be mapped in the physical resource unit (k, l) on port p.Step S206 represents m to add 1.Step S207 represents to judge whether m is less than M, if be less than, carries out S208; If be not less than, finish.Step S208 represents k to add 1.Step S209 represents to judge whether k is less than
(wherein
represent the number of sub carrier wave that downlink system bandwidth comprises), if be less than, return to step S204; If be not less than, perform step S210.Step S210 represents l to add 1.Step S211 represents to judge whether OFDM symbol number l is less than physical down control domain time domain span
if be less than, return to step S203; Otherwise finish.
Below in conjunction with Fig. 3, introduce Downlink Control Information blind check method in LTE/LTE-A system of the present invention.Fig. 3 is shown as Downlink Control Information blind check embodiment of the method flow chart in LTE/LTE-A system of the present invention.
Step S302 represents to determine whether FDD standard, if FDD standard performs step S304; If not FDD standard, perform step S303.
Step S303 represents to judge whether known effective ascending-descending subframes config. number, if known, performs step S304; Otherwise finish.
Step S304 represents to determine number and the time-frequency position of community physical down control domain slack resources.Physical down control domain slack resources number and running time-frequency resource position, resource and the physical down control domain time domain span by cell downlink system bandwidth, community coherent reference signal port number, cell ID (Cell ID), physical mixed automatic re-transmission indicating channel, used
determine.The pass away introduction of scape technology part of definite method.
Step S305 represents to judge whether community physical down control domain slack resources number is less than preset value (unit: RE), if be not less than, perform step 306, otherwise finish.In this example, the preset value of this preset value when depending on that base station side sends, is also 8.
Step S306 represents according to known cell downlink control information blind check indication generation method, coding flow process and physical down control information blind check indicating channel handling process, carry out physical down control information blind check indicating channel and receive and decoding flow process, solve Downlink Control Information blind check indication.
Step S307 represents, according to Downlink Control Information blind check indication, to carry out Downlink Control Information blind check flow process.Carry out in Downlink Control Information blind check flow process, only in corresponding search volume (comprising public search space and UE dedicated search space), search for, the PDCCH form that blind check exists (corresponding step S104 is used table 1 execution mode) or the corresponding step S104 of RNTI(are used the execution mode of table 2), for non-existent PDCCH form or RNTI, do not carry out blind check, thereby improve Downlink Control Information blind check efficiency.
In sum, the present invention utilizes the idle CCH-RE of physical down control domain to send Downlink Control Information blind check indication, realizes in the situation that not increasing system time frequency resource expense and signaling consumption, helps terminal to improve Downlink Control Information blind check efficiency.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (10)
1. a Downlink Control Information blind check indication sending method in LTE/LTE-A system, is characterized in that, comprising:
The step of dispatching cell user data and Downlink Control Information and definite described community physical down control domain time domain span;
Determine the step of described community physical down control domain slack resources number and running time-frequency resource position;
Judge whether described community physical down control domain slack resources number is less than the step of preset value, if be not less than, continue;
If be less than, finish;
Generate the step of described cell downlink control information blind check indication;
Described cell downlink control information blind check indication is carried out to the step of chnnel coding generated codeword;
Described code word is carried out to the step that physical down control information blind check indicating channel is processed.
2. in LTE/LTE-A system according to claim 1, sending method is indicated in Downlink Control Information blind check, it is characterized in that, in the step of described definite described community physical down control domain slack resources number and running time-frequency resource position, resource, cell ID and described physical down control domain time domain span determination that described physical down control domain slack resources number and running time-frequency resource position are used by described cell downlink system bandwidth, described community coherent reference signal port number, physical mixed automatic re-transmission indicating channel.
3. Downlink Control Information blind check indication sending method in LTE/LTE-A system according to claim 1, is characterized in that, judges whether described community physical down control domain slack resources number is less than in the step of preset value, and described preset value is more than or equal to 8.
4. in LTE/LTE-A system according to claim 1, sending method is indicated in Downlink Control Information blind check, it is characterized in that, in the step of described generation cell downlink control information blind check indication, the content of described Downlink Control Information blind check indication comprises the scrambling RNTI type cases statistics that in 3 ' & &+form situation statistics that in current descending sub frame, Downlink Control Information is used or current descending sub frame, Downlink Control Information is used.
5. in LTE/LTE-A system according to claim 1, sending method is indicated in Downlink Control Information blind check, it is characterized in that, the described step that code word execution physical down control information blind check indicating channel is processed comprises scrambling, modulation, layer mapping, precoding and resource mapping process; Wherein, described scrambling, modulation, layer mapping, precoding adopt the processing method consistent with PCFICH.
6. in LTE/LTE-A system according to claim 1, sending method is indicated in Downlink Control Information blind check, it is characterized in that, described in the step of described cell downlink control information blind check indication execution chnnel coding generated codeword, what described chnnel coding adopted is that code check is 1/16 Linear block coding mode.
7. Downlink Control Information blind check indication sending method in LTE/LTE-A system according to claim 5, is characterized in that, described resource mapping comprises:
Initialization sequence numbering m, the step of time domain OFDM symbol number l and subcarrier number k;
Whether judgement downlink physical Resource Unit (k, l) is the step of physical down control domain slack resources, if physical down control domain slack resources is carried out complex value symbol y
(p)(m) be mapped to the step in the physical resource unit (k, l) on port p, described m added to 1 step, judge whether described m is less than the step of described M, if be less than, carry out the step that described k is added to 1, if be not less than, finish;
If not physical down control domain slack resources, carry out the step that described k is added to 1, judge whether described k is less than
step, whether if be less than, returning to described judgement downlink physical Resource Unit (k, l) is the step of physical down control domain slack resources; If be not less than, described l is added to 1 and judge whether described l is less than described physical down control domain time domain span, if be less than, returned to the step of k described in described initialization, otherwise finish.
8. a Downlink Control Information blind check method in LTE/LTE-A system, is characterized in that, comprising:
Carry out the step of community Physical Control Format Indicator Channel reception and decoding definite physical down control domain time domain span;
Determine whether the step of FDD standard; If FDD standard is carried out and is determined the number of community physical down control domain slack resources and the step of time-frequency position; If not FDD standard, judge whether known effective ascending-descending subframes config. number, if known, carry out and determine the number of described community physical down control domain slack resources and the step of time-frequency position; If unknown, finish;
Judge whether community physical down control domain slack resources number is less than the step of preset value; If be not less than, solve Downlink Control Information blind check indication; If be less than, finish;
According to described Downlink Control Information blind check indication blind check Downlink Control Information.
9. Downlink Control Information blind check method in LTE/LTE-A system according to claim 8, it is characterized in that, in the number of described definite community physical down control domain slack resources and the step of time-frequency position, resource, cell ID and described physical down control domain time domain span determination that described physical down control domain slack resources number and running time-frequency resource position are used according to described cell downlink system bandwidth, described community coherent reference signal port number, physical mixed automatic re-transmission indicating channel.
10. Downlink Control Information blind check method in LTE/LTE-A system according to claim 8, it is characterized in that, described in solve Downlink Control Information blind check indication step be based on described cell downlink control information blind check indication generation method, chnnel coding flow process and described physical down control information blind check indicating channel handling process, to carry out physical down control information blind check indicating channel to receive and decoding flow process.
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| CN110324883A (en) * | 2018-03-28 | 2019-10-11 | 维沃移动通信有限公司 | Configure method, user equipment and the network side equipment of Physical Downlink Control Channel |
| WO2020097881A1 (en) * | 2018-11-15 | 2020-05-22 | 北京小米移动软件有限公司 | Method and device for transmitting control information and data |
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| US11382123B2 (en) | 2016-02-02 | 2022-07-05 | Datang Mobile Communications Equipment Co., Ltd. | Method and apparatus for transmitting downlink control information |
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| CN107005340A (en) * | 2014-10-31 | 2017-08-01 | 瑞典爱立信有限公司 | Transmission data-signal transmission in cordless communication network |
| WO2017133479A1 (en) * | 2016-02-02 | 2017-08-10 | 电信科学技术研究院 | Method and apparatus for transmitting downlink control information |
| US11382123B2 (en) | 2016-02-02 | 2022-07-05 | Datang Mobile Communications Equipment Co., Ltd. | Method and apparatus for transmitting downlink control information |
| CN107196735A (en) * | 2016-03-15 | 2017-09-22 | 中兴通讯股份有限公司 | It is determined that the method for transmission information, apparatus and system |
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| CN107734686B (en) * | 2016-08-12 | 2023-04-18 | 中兴通讯股份有限公司 | Method, device, base station and terminal for sending and receiving downlink control signaling |
| WO2018145306A1 (en) * | 2017-02-12 | 2018-08-16 | 南通朗恒通信技术有限公司 | Method and apparatus for channel codes in base station and user equipment |
| CN108809593B (en) * | 2017-05-05 | 2021-01-12 | 华为技术有限公司 | Data transmission method, network equipment and terminal equipment thereof |
| CN108809593A (en) * | 2017-05-05 | 2018-11-13 | 华为技术有限公司 | The method and its network equipment of data transmission, terminal device |
| WO2019137448A1 (en) * | 2018-01-12 | 2019-07-18 | 中兴通讯股份有限公司 | Method, apparatus and device for determining and indicating channel structure of time unit |
| CN110324883B (en) * | 2018-03-28 | 2021-04-27 | 维沃移动通信有限公司 | Method for configuring physical downlink control channel, user equipment and network side equipment |
| CN110324883A (en) * | 2018-03-28 | 2019-10-11 | 维沃移动通信有限公司 | Configure method, user equipment and the network side equipment of Physical Downlink Control Channel |
| US11937250B2 (en) | 2018-03-28 | 2024-03-19 | Vivo Mobile Communication Co., Ltd. | Method for configuring physical downlink control channel, user equipment and network side device |
| WO2020097881A1 (en) * | 2018-11-15 | 2020-05-22 | 北京小米移动软件有限公司 | Method and device for transmitting control information and data |
| WO2022170499A1 (en) * | 2021-02-09 | 2022-08-18 | 北京小米移动软件有限公司 | Method and apparatus for receiving downlink control information, device and storage medium |
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