CN108174453A - Transmission, detection method and device, base station and the terminal of Downlink Control Information - Google Patents
Transmission, detection method and device, base station and the terminal of Downlink Control Information Download PDFInfo
- Publication number
- CN108174453A CN108174453A CN201611117650.XA CN201611117650A CN108174453A CN 108174453 A CN108174453 A CN 108174453A CN 201611117650 A CN201611117650 A CN 201611117650A CN 108174453 A CN108174453 A CN 108174453A
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- China
- Prior art keywords
- group
- information
- downlink control
- temporary identifier
- network temporary
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Abstract
The invention discloses a kind of transmission of Downlink Control Information, detection method and device, base station and terminal, the sending method of the Downlink Control Information includes：The group radio network temporary identifier of user group where base station determines terminal, using described group of radio network temporary identifier to sending described group of Downlink Control Information to the terminal by Physical Downlink Control Channel after the group Downlink Control Information progress cyclic redundancy check scrambling of user group where the terminal.The detection method of the Downlink Control Information includes：Terminal acquisition group radio network temporary identifier carries out blind Detecting, the group Downlink Control Information of user group where obtaining the terminal using this group of radio network temporary identifier in the search space of Physical Downlink Control Channel.
Description
Technical field
The present embodiments relate to but be not limited to wireless communication technology field, espespecially a kind of sender of Downlink Control Information
Method and device, detection method and device, base station and terminal.
Background technology
With increasingly increase of the development and user of wireless communication technique to communication requirement, in order to meet higher, faster and
Newer communication needs, and the 5th third-generation mobile communication (5th Generation, referred to as：5G) technology has become future network development
Trend.
One of the important communication means of high-frequency communication as future 5G technologies, can be provided using the big bandwidth of high-frequency communication
High-speed data communication, to meet in 5G communications the needs of to big data quantity.Bigger is lost on high-frequency propagation, is covered under same power
Lid radius is relatively smaller, this is also determined in high frequency communication system networking, needs to cover for improving using beam shaping technology
Radius.The factors such as radio frequency link quantity, transmission power, beam gain are limited to, for downlink traffic channel or downlink
Data channel, same OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing)
All downlink wave beams for covering entire cell cannot be sent on symbol simultaneously, i.e. wave beam on a symbol is difficult to realize full cell
Covering, can only achieve the covering of a wave beam group, then if to realize the covering of full cell, a kind of possible mode be with
TDM (Time Division Multiplexing, time division multiplexing) mode repeating queries send multiple wave beams according to dispatching requirement
Group realizes the covering of full cell.So for the transmission of down control channel, it is limited to high-frequency communication beam (wave beam) narrow covering
The characteristics of, it may be necessary to make how to control DCI (Downlink Control Information, Downlink Control Information) expense
For the most important thing, else if DCI expenses are very big, well covered further with similar beam sweeping (waves to realize
Beam scanning) it sends, PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) domain may need
Want too many running time-frequency resource.Therefore, it is necessary to provide a kind of DCI transmission plans.
Invention content
The present invention provides the sending method and device of a kind of Downlink Control Information, detection method and device, base station and ends
End, can reduce DCI expenses.
In order to reach the object of the invention, an embodiment of the present invention provides a kind of downlink control information sending method, including：
The group radio network temporary identifier of user group, uses described group of radio network temporary identifier where base station determines terminal
Believed after cyclic redundancy check scrambling is carried out to the group Downlink Control Information of user group where the terminal by physical down control
Road sends described group of Downlink Control Information to the terminal.
Optionally, the group radio network temporary identifier of user group includes where the base station determines terminal：The base station root
According to the mapping relation information of preconfigured group of relevant information and group radio network temporary identifier, user where the terminal is determined
The group radio network temporary identifier of group.
Optionally, the method further includes：The base station is by radio resource control signaling or system message by described in
Mapping relation information is sent to the terminal；The mapping relation information alternatively, base station and the terminal are made an appointment.
Optionally, described group of relevant information includes one or a combination set of following：Carry the wave of described group of Downlink Control Information
Described group of beam information of beam, the radio frame number of the radio frames of described group of Downlink Control Information of carrying, carrying Downlink Control Information
Time slot slot index, carry described group of Downlink Control Information subframe subframe numbers, carrying described group of Downlink Control Information
Down control channel sub-band information, with the sub-band information of the described group of relevant downlink traffic channel of Downlink Control Information, hold
Carry the subcarrier spacing information, relevant with described group of Downlink Control Information of the down control channel of described group of Downlink Control Information
The time slot of the subcarrier spacing information of downlink traffic channel, the predefined transmission time unit of described group of Downlink Control Information of carrying
Structural information.
The embodiment of the present invention also provides a kind of Downlink Control Information sending device, including：
Group radio network temporary identifier determination unit, the group wireless network for determining terminal place user group are marked temporarily
Know；
Processing unit, for using group downlink control of the described group of radio network temporary identifier to user group where the terminal
Information processed carries out cyclic redundancy check scrambling；
Described group of Downlink Control Information after scrambling is sent to institute by transmitting element for passing through Physical Downlink Control Channel
State terminal.
6th, device as claimed in claim 5, which is characterized in that
The group radio network temporary identifier of user group where described group of radio network temporary identifier determination unit determines terminal
Including：
According to the mapping relation information of preconfigured group of relevant information and group radio network temporary identifier, the end is determined
The group radio network temporary identifier of user group where end.
Optionally, the transmitting element is additionally operable to：By radio resource control signaling or system message by the mapping
Relation information is sent to the terminal.
Optionally, described group of relevant information includes one or a combination set of following：Carry the wave of described group of Downlink Control Information
Described group of beam information of beam, the radio frame number of the radio frames of described group of Downlink Control Information of carrying, carrying Downlink Control Information
Time slot slot index, carry described group of Downlink Control Information subframe subframe numbers, carrying described group of Downlink Control Information
Down control channel sub-band information, with the sub-band information of the described group of relevant downlink traffic channel of Downlink Control Information, hold
Carry the subcarrier spacing information, relevant with described group of Downlink Control Information of the down control channel of described group of Downlink Control Information
The time slot of the subcarrier spacing information of downlink traffic channel, the predefined transmission time unit of described group of Downlink Control Information of carrying
Structural information.
The embodiment of the present invention also provides a kind of base station, and the base station includes above-mentioned Downlink Control Information sending device.
The embodiment of the present invention also provides a kind of Downlink Control Information detection method, including：
Terminal acquisition group radio network temporary identifier, using this group of radio network temporary identifier in Physical Downlink Control Channel
Search space carry out blind Detecting, the group Downlink Control Information of user group where obtaining the terminal.
Optionally, the terminal acquisition group radio network temporary identifier includes：The terminal is according to group relevant information and group
Mapping relation information between radio network temporary identifier, the group wireless network of user group is marked temporarily where determining the terminal
Know.
Optionally, the method further includes, and the terminal obtains the mapping relation information in the following way：The end
End receives the mapping relation information, the mapping relations alternatively, terminal and the base station are made an appointment from the base station
Information.
Optionally, the terminal receives the mapping relation information from the base station and includes：The terminal receives the base
The mapping relation information stood through radio resource control signaling or system message transmission.
Optionally, described group of relevant information includes one or a combination set of following：Current beam information, current radio frame number,
Current time slots serial number, current subframe number, the sub-band information of current downlink control channel, current downlink Traffic Channel subband letter
Breath, currently makes a reservation for the subcarrier spacing information of current downlink control channel, the subcarrier spacing information of current downlink Traffic Channel
The structure of time slot information of adopted transmission time unit.
Optionally, the terminal acquisition group radio network temporary identifier includes：The terminal receives base station by wirelessly providing
The candidate set radio network temporary identifier set of source control signaling configuration, obtains in described group of radio network temporary identifier set
Each group radio network temporary identifier；
It is described to carry out blind Detecting in the search space of Physical Downlink Control Channel using this group of radio network temporary identifier, it obtains
The group Downlink Control Information of user group includes where taking the terminal：
The terminal is successively using the group radio network temporary identifier in the candidate set radio network temporary identifier set
Blind Detecting is carried out in the search space of Physical Downlink Control Channel, the group downlink control of user group where obtaining the terminal
Information.
Optionally, it is described blind in the progress of the search space of Physical Downlink Control Channel using this group of radio network temporary identifier
Detection includes：
Pass through the search of the entire Physical Downlink Control Channel of correspondence that radio resource control signaling is semi-statically configured in base station
Space carries out blind Detecting；
It is searched alternatively, the group Downlink Control Information being semi-statically configured in the base station by radio resource control signaling is corresponding
Rope space carries out blind Detecting；
Alternatively,
The terminal receive base station by the group radio network temporary identifier that radio resource control signaling is semi-statically configured with
Mapping relations between search space, the group wireless network of user group is interim according to where the mapping relations determine the terminal
Corresponding search space is identified, the corresponding search space of the group radio network temporary identifier of user group where the terminal carries out
Blind Detecting.
The embodiment of the present invention also provides a kind of Downlink Control Information detection device, including：
Group radio network temporary identifier acquiring unit, for acquisition group radio network temporary identifier；
Blind Detecting unit, for use this group of radio network temporary identifier the search space of Physical Downlink Control Channel into
Row blind Detecting, the group Downlink Control Information of user group where obtaining the terminal.
Optionally, described group of radio network temporary identifier acquiring unit acquisition group radio network temporary identifier includes：
According to the mapping relation information between group relevant information and group radio network temporary identifier, the terminal place is determined
The group radio network temporary identifier of user group.
Optionally, described group of radio network temporary identifier acquiring unit is additionally operable to obtain the mapping pass according to following manner
It is information：The mapping relation information is received from base station, alternatively, making an appointment the mapping relation information with the base station.
Optionally, described group of radio network temporary identifier acquiring unit receives the mapping relation information from base station and includes：
Receive the mapping relation information that the base station is sent by radio resource control signaling or system message.
Optionally, described group of relevant information includes one or a combination set of following：Current beam information, current radio frame number,
Current time slots serial number, current subframe number, the sub-band information of current downlink control channel, current downlink Traffic Channel subband letter
Breath, currently makes a reservation for the subcarrier spacing information of current downlink control channel, the subcarrier spacing information of current downlink Traffic Channel
The structure of time slot information of adopted transmission time unit.
Optionally, described group of radio network temporary identifier acquiring unit acquisition group radio network temporary identifier includes：It receives
The candidate set radio network temporary identifier set that base station is configured by radio resource control signaling obtains described group of wireless network and faces
When logo collection in each group radio network temporary identifier；
The blind Detecting unit using this group of radio network temporary identifier the search space of Physical Downlink Control Channel into
Row blind Detecting, the group Downlink Control Information of user group includes where obtaining the terminal：
The blind Detecting unit is faced successively using the group wireless network in the candidate set radio network temporary identifier set
When mark carry out blind Detecting in the search space of Physical Downlink Control Channel, under the group of user group where obtain the terminal
Row control information.
Optionally, the blind Detecting unit includes in the search space of Physical Downlink Control Channel progress blind Detecting：
Pass through the search of the entire Physical Downlink Control Channel of correspondence that radio resource control signaling is semi-statically configured in base station
Space carries out blind Detecting；
Alternatively, the corresponding group Downlink Control Information being semi-statically configured in the base station by radio resource control signaling is searched
Rope space carries out blind Detecting；
Alternatively,
Receive group radio network temporary identifier and the search space that base station is semi-statically configured by radio resource control signaling
Between mapping relations, the group radio network temporary identifier of user group corresponds to according to where the mapping relations determine the terminal
Search space, the corresponding search space of the group radio network temporary identifier of user group where the terminal carries out blind Detecting.
The embodiment of the present invention also provides a kind of terminal, and the terminal includes above-mentioned Downlink Control Information detection device.
Compared with prior art, in the embodiment of the present invention, terminal acquisition group radio network temporary identifier is wireless using the group
Network Temporary Identifier carries out blind Detecting in the search space of Physical Downlink Control Channel, obtains user group where the terminal
Group Downlink Control Information.Due to descrambling Group DCI using Group RNTI, reduce DCI expenses.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and is obtained in claim and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application technical solution for explaining the present invention together, does not form the limitation to technical solution of the present invention.
Fig. 1 is the schematic diagram that search space of the embodiment of the present invention is whole PDCCH search spaces；
Fig. 2 is the schematic diagram that search space of the embodiment of the present invention is part PDCCH search space；
Fig. 3 is the schematic diagram that difference group radio network temporary identifier of the embodiment of the present invention corresponds to different search spaces；
Fig. 4 is another schematic diagram that difference group radio network temporary identifier of the embodiment of the present invention corresponds to different search spaces；
Fig. 5 is Downlink Control Information sending device block diagram of the embodiment of the present invention；
Fig. 6 is Downlink Control Information detection device block diagram of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature mutually can arbitrarily combine.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions
It performs.Also, although logical order is shown in flow charts, it in some cases, can be to be different from herein suitable
Sequence performs shown or described step.
For the user with certain identical traffic characteristics, if these transmission characteristics needs are indicated to user in DCI,
If that carrying these transmission characteristics with Group DCI (group Downlink Control Information), avoid sending each user respectively
DCI can then greatly reduce DCI expenses, be more suitable for the characteristic of high frequency communication beams, and user is when blind Detecting receives PDCCH,
It needs (to be followed to descramble CRC with some RNTI (Radio Network Temporary Identity, radio network temporary identifier)
Ring redundancy check, Cyclic Redundancy Check) check code, if it is possible to correct descrambling could read DCI information, because
This reception for Group DCI needs a kind of Group RNTI of corresponding Group DCI (group radio network temporary identifier).
Base station is sent in the PDCCH of user, may include Common DCI (common downlink control information), Group
It is one or more in DCI, UE-specific DCI (the proprietary Downlink Control Information of user).The application is mainly for Group
DCI is illustrated.According to some transmission information of user, user can be divided into multiple groups (Group), all users in same group
These transmission information it is identical, the transmission information is Group DCI, and the Group DCI between different groups are different.
To the user in same group, base station uses Group-specific's (group is proprietary) when sending Group DCI
Mode is added using the Group RNTI (group radio network temporary identifier) of corresponding this group of user to carry out CRC to Group DCI
It disturbs.
Correspondingly, UE (User Equipment, user equipment) is when receiving down control channel, it is empty in certain search
Between carry out blind Detecting, can attempt to descramble CRC with the Group RNTI organized where oneself, if it is possible to successfully descramble CRC check,
Then UE can read Group DCI contents.
The Group RNTI be according to one group of user be different from other group of user certain group informations and/or some be
System information, that calculates can uniquely determine the mark of current time user group.
The embodiment of the present invention provides a kind of downlink control information sending method, including：
The group radio network temporary identifier of user group, uses described group of radio network temporary identifier where base station determines terminal
Believed after cyclic redundancy check scrambling is carried out to the group Downlink Control Information of user group where the terminal by physical down control
Road sends described group of Downlink Control Information to the terminal.
In one embodiment of this invention, the group radio network temporary identifier packet of user group where the base station determines terminal
It includes：The base station determines institute according to the mapping relation information of preconfigured group of relevant information and group radio network temporary identifier
The group radio network temporary identifier of user group where stating terminal.Wherein, which can be a mapping table, can also
It is a functional relation.Base station can obtain a group relevant information, search the mapping table, the group of user group where obtaining the terminal
Downlink Control Information；Alternatively, base station can also obtain described group of relevant information, according to the functional relation carries out calculating acquisition
The group Downlink Control Information of user group where terminal.
In another embodiment of the invention, the base station passes through described in radio resource control signaling or system message general
Mapping relation information is sent to the terminal；The mapping relation information alternatively, base station and the terminal are made an appointment.Than
Such as, mapping table can be sent to terminal by base station, and can also make an appointment the mapping table with terminal.Certainly, base station can also incite somebody to action
Functional relation is sent to terminal, the functional relation alternatively, base station can make an appointment with terminal.
In another embodiment of the present invention, described group of relevant information includes one or a combination set of following：Carry described group
The beam information of the wave beam of Downlink Control Information, the radio frame number of the radio frames of described group of Downlink Control Information of carrying, carrying institute
State the slot index of the time slot of group Downlink Control Information, the subframe numbers of the subframe of described group of Downlink Control Information of carrying, carrying institute
It states the sub-band information of the down control channel of group Downlink Control Information, believe with the relevant downlink business of described group of Downlink Control Information
The sub-band information in road, carry described group of Downlink Control Information down control channel subcarrier spacing information, under described group
The subcarrier spacing information of the row control relevant downlink traffic channel of information, the predefined biography for carrying described group of Downlink Control Information
The structure of time slot information of defeated time quantum.Wherein, beam information can be wave beam mark；Sub-band information can be subband identities,
Subcarrier spacing information can be Numerology marks.Structure of time slot information refers to a predefined transmission time unit
In, if downlink transfer domain accounts for x symbol, GP (Guard Period, protection interval) domain accounts for y symbol, and uplink domain accounts for z
A symbol, the value and specific location of x, y, z just determine a kind of transmission structure.The predefined transmission time unit, can be with
Be a subframe, a slot, a mini-slot (mini time slot) or a polymerization subframe, a polymerization slot, one it is poly-
Mini-slot is closed, it is merely illustrative herein, the resource that transmission time unit is included can be specified as needed.Base station and terminal
The transmission time that can make an appointment unit refers specifically to any.
In one more embodiment of the present invention, the method further includes, and the base station is matched by radio resource control signaling
Candidate set radio network temporary identifier set is put to the terminal.Terminal can use candidate set radio network temporary identifier set
In group radio network temporary identifier carry out blind Detecting.
The embodiment of the present invention also provides a kind of Downlink Control Information detection method, including：
Terminal acquisition group radio network temporary identifier, using this group of radio network temporary identifier in Physical Downlink Control Channel
Search space carry out blind Detecting, obtain the group Downlink Control Information of the user group where the terminal.
In one embodiment of this invention, the terminal acquisition group radio network temporary identifier includes：
The terminal determines described according to the mapping relation information between group relevant information and group radio network temporary identifier
The group radio network temporary identifier of user group where terminal.
In another embodiment of the present invention, the terminal obtains the mapping relation information in the following way：It is described
Terminal receives the mapping relation information from the base station, alternatively, the terminal and the base station are made an appointment, the mapping is closed
It is information.
In another embodiment of the invention, the terminal receives the mapping relation information from the base station and includes：It connects
Receive the mapping relation information that the base station is sent by radio resource control signaling or system message.
In another embodiment of the present invention, described group of relevant information includes one or a combination set of following：Current beam is believed
Breath, current radio frame number, current time slots serial number, current subframe number, the sub-band information of current downlink control channel, current downlink industry
Be engaged in the sub-band information of channel, the subcarrier spacing information of current downlink control channel, current downlink Traffic Channel subcarrier between
Every information, the structure of time slot information of current predefined transmission time unit.Wherein, beam information can be wave beam mark；Subband
Information can be subband identities；Subcarrier spacing information can be Numerology marks.Here current refers to that terminal is current
Treat the relevant information of the running time-frequency resource of blind Detecting.For example, current beam information refer to terminal it is current it is to be detected be frequency resource institute
In the beam information of wave beam, the sub-band information of current downlink control channel refers to that terminal currently treats the down control channel of blind Detecting
Sub-band information, the sub-band information of current downlink Traffic Channel refers to that terminal currently treats that the down control channel of blind Detecting is relevant
Sub-band information of downlink traffic channel, etc..
In another embodiment of the invention, terminal can not determine the occurrence of group radio network temporary identifier, only base
Stand a group radio network temporary identifier set of configuration, terminal successively using the group radio network temporary identifier in the set into
Row blind Detecting, the group Downlink Control Information of user group where obtaining terminal.Specifically, the terminal acquisition group wireless network
Temporary identifier includes：The terminal receives the candidate set radio network temporary identifier that base station is configured by radio resource control signaling
Set obtains each group radio network temporary identifier in described group of radio network temporary identifier set；
It is described to carry out blind Detecting in the search space of Physical Downlink Control Channel using this group of radio network temporary identifier, it obtains
The group Downlink Control Information of the user group where the terminal is taken to include：
The terminal is existed successively using group radio network temporary identifier in the candidate set radio network temporary identifier set
The search space of Physical Downlink Control Channel carries out blind Detecting, the group downlink control of the user group where obtaining the terminal
Information.
It is described to use this group of radio network temporary identifier in Physical Downlink Control Channel in one more embodiment of the present invention
Search space carry out blind Detecting include：
Pass through the search of the entire Physical Downlink Control Channel of correspondence that radio resource control signaling is semi-statically configured in base station
Space carries out blind Detecting；
It is searched alternatively, the group Downlink Control Information being semi-statically configured in the base station by radio resource control signaling is corresponding
Rope space carries out blind Detecting；
Alternatively,
The terminal receive base station by the group radio network temporary identifier that radio resource control signaling is semi-statically configured with
Mapping relations between search space, the group wireless network of user group is interim according to where the mapping relations determine the terminal
Corresponding search space is identified, the corresponding search space of the group radio network temporary identifier of user group where the terminal carries out
Blind Detecting.
In one embodiment of this invention, the search space that UE carries out blind Detecting can be that base station is quiet by RRC signaling half
The search space of the entire PDCCH of correspondence of state configuration, as shown in Figure 1, the dash area in Fig. 1 is searching for corresponding entire PDCCH
Rope space.Search space is not separately configured for Group DCI at this time, directly carries out Group DCI's in the search space of PDCCH
Blind Detecting.
In another embodiment of the invention, the search space that UE carries out blind Detecting can be that base station passes through RRC signaling
The Group search spaces of correspondence Group DCI being semi-statically configured are part PDCCH search space, see the shadow part in Fig. 2
Point.Under which, Group search spaces are configured for Group DCI, it is only necessary to be searched in the Group for being allocated to Group DCI empty
Between blind Detecting Group DCI.
Can be that different search spaces is configured in Group RNTI in another embodiment of the present invention.UE carries out blind examination
The search space of survey can be the corresponding search spaces of Group RNTI of user group where UE.Wherein, different Group
RNTI can correspond to different search spaces, i.e., there are a kind of mapping relations, Ke Yishi between Group RNTI and search space
One-to-one relationship, as shown in figure 3,4 Group search spaces correspond to respectively it is different in different Group RNTI, Fig. 3
Hatching styles represent different Group search spaces, correspond to different Group RNTI respectively；Can also be multiple Group
RNTI corresponds to the relationship of a search space.Difference lies in be that all Group RNTI correspond to one in Fig. 2 to Fig. 2 and Fig. 3
Group search spaces are that different Group RNTI correspond to different search spaces in Fig. 3.For example, there are four Group
When RNTI, Group RNTI1, Group RNTI2, Group RNTI3 and Group RNTI4, Group RNTI1, Group
The search space of RNTI2, Group RNTI3 and the dash area in Group RNTI4 corresponding diagrams 2,
Base station can be semi-statically configured the mapping relations between the Group RNTI and search space by RRC signaling,
When going blind Detecting with different Group RNTI so as to UE, as long as being in the corresponding search space blind Detectings of the Group RNTI
It can.
Wherein, the notice bit of RNTI can be realized using two ways：
A kind of mode is not extend the notice bit of existing RNTI, i.e., still RNTI is notified with 16 bits, current LTE
Several preceding values of C-RNTI value ranges or several rear values keep for Group RNTI, keep for Group RNTI's
These values can not be used by other kinds of RNTI again.
Another way is to extend the notice bit of existing RNTI, is notified with 20 bits or 24 bits or 28 bits
RNTI, so as to which Group RNTI values can be since 0FFFF.
One Group RNTI can correspond to a kind of pilot frequency configuration, that is, be configured with one or more of identical Group RNTI
A user, in identical port, identical running time-frequency resource position receives identical pilot frequency sequence, and the pilot tone can be included
Beam direction information, it can also not comprising specific beam direction information.
Group RNTI and the mapping relations of group relevant information are exemplified below.
Example one
In the example, group relevant information is beam information, specifically, can be wave beam mark.
In this example, there are mapping relations, under some beam angle, a wave beam side with beam information by Group RNTI
Group a RNTI, M, which are corresponded to, to a corresponding Group RNTI or M beam direction is greater than 1 positive integer.
The mapping table of a beam direction and all candidate Group RNTI, such as beam set { Beam is configured in base station
1 ..., Beam n } Group RNTI of the respective value for X, beam set { Beam n+1 ..., Beam m } respective value is Y's
Group RNTI, n are the positive integer more than or equal to 1, and m is the positive integer more than or equal to 2, and the mapping table is merely illustrative, Ke Yigen
According to needing to set other mapping relations.Wherein, Beam1 to Beam m is Beam ID.
Base station can disappear by RRC (Radio Resource Control, wireless heterogeneous networks) signalings or in system
((System Information Block 1 are breath by MIB (Master Information Block, Master Information Block), SIB1
Unite block of information 1), SI (System Information, system information)) in notice terminal described in mapping table.UE is according to working as prewave
Shu Fangxiang and the mapping table, you can determine the specific values of Group RNTI of oneself.
In another embodiment of the invention, the mapping table can not also be established, base station and UE can be according to specific waves
The corresponding Beam ID of Shu Fangxiang (wave beam mark) and preconfigured functional relation, the Group of user group where calculating UE
RNTI。
Example two
In the example, group relevant information is beam information, current time information, according to beam information and current time information
The Group RNTI of user group where determining terminal.Wherein current time information can be current subframe number, slot (time slot) sequence
Number, an or combination of radio frame number.
In this example, base station and UE can make an appointment wave beam mark, current radio frame number subframe numbers or slot serial numbers with
The functional relation of Group RNTI, base station and UE can according to Beam ID, current radio frame number or subframe numbers or slot serial numbers,
And the functional relation of agreement, calculate the Group RNTI for obtaining UE places user group.The functional relation can be：Group
RNTI=Beam ID+k；K is a constant, and value can be 1,61 or other positive integers.
Example three
In the example, group relevant information is frequency domain Subband (subband) information, and frequency domain Subband can be downlink
The corresponding Subband of control channel or the corresponding Subband of downlink traffic channel.
In this example, the mapping table of base station configuration frequency domain Subband and all candidate Group RNTI, such as Subband
Set SB1,..., SBn } and Group RNTI, Subband set set { SB n+1 ..., the SB m } respective values of respective value for X
Group RNTI, n for Y are the positive integer more than or equal to 1, and m is the positive integer more than or equal to 2.Wherein, SB 1 to SB m is
Frequency domain on one carrier wave is divided into several Subband by Subband ID (subband identities), and there are one each Subband
Corresponding Subband ID.
Base station can notify mapping table described in UE by RRC signaling or in system message (MIB, SIB1, SI).UE can
According to current Subband and the mapping table, to determine the Group RNTI of UE places user group.The current Subband, can
To be current downlink control channel Subband or current downlink Traffic Channel Subband.
In other embodiments of the invention, base station appoints in advance with that can not send the mapping table to UE, base station and UE
Determine the functional relation of Subband ID and Group RNTI, base station and UE can be according to current Subband ID and the function of agreement
Relationship, the Group RNTI of user group where determining UE.For example, the functional relation can be Group RNTI=Subband ID
+k；K is a constant, and value can be 1,61 or other positive integers.
Example four
In the example, group relevant information is Numerology (subcarrier spacing) information, which can be with
It is the corresponding Numerology ID of down control channel or the corresponding Numerology ID of downlink traffic channel.
In the present embodiment, the mapping table of base station configuration Numerology and all candidate Group RNTI, such as
Numerology set Numerology1,..., Numerology n } and Group RNTI, Numerology of the respective value for X
It is just whole more than or equal to 1 to gather Group RNTI, n that { Numerology n+1 ..., Numerology m } respective value is Y
Number, m are the positive integer more than or equal to 2.Wherein, Numerology 1 to Numerology m is Numerology ID, different
The corresponding subcarrier spacings of Numerology ID are different, and OFDM symbol length is different.
Base station can notify mapping table described in UE by RRC signaling or in system message (MIB, SIB1, SI).UE connects
, can be according to current Numerology information and the mapping table after receiving the mapping table, the Group of user group where determining UE
RNTI.The current Numerology information can be the Numerology information of current downlink control channel or work as
The Numerology information of preceding downlink traffic channel.
In another embodiment of the invention, the mapping table can not also be established, base station and UE can make an appointment
The functional relation of Numerology information and Group RNTI is closed according to the function of specific current Numerology information and agreement
System, the Group RNTI of user group where determining UE.For example, the functional relation can be Group RNTI=Numerology
ID+k, k are a constants, and value can be 1,61 or other positive integers.
Example five
In this example, group relevant information be slot structural informations, in the present embodiment, base station configuration slot structural informations with
The mapping table of all candidate Group RNTI, base station can lead to by RRC signaling or in system message (MIB, SIB1, SI)
Know mapping table described in UE.UE is according to current slot structural informations and mapping table, you can the Group of user group where determining the UE
RNTI。
In another embodiment of the invention, the mapping table can not also be established, base station and UE can make an appointment
The mapping relations of slot structural informations and Group RNTI, according to specific current slot structural informations and the mapping relations of agreement,
Determine Group RNTI.
Example six
In the present embodiment, group relevant information can be Beam information, current time information, Subband information,
It is one or more in Numerology information, Group RNTI are calculated according to the functional relation of agreement, wherein, the function of agreement
Relationship can be：
Group RNTI=Beam ID+k+Subband ID；
Alternatively, Group RNTI=Beam ID+k+Numerology ID；
K is a constant, and value can be 1,61 or other positive integers, and above-mentioned functional relation is merely illustrative, can be according to need
Arrange other functional relations.
Example seven
Base station determines the mapping table of Group RNTI and beam information, and the notice bit of RNTI is still 16 bits,
If Group RNTI can use the dry values originally kept in C-RNTI.In the mapping relations of Group RNTI and beam information,
Corresponding different beam angle, different wave beam ID correspond to different Group RNTI values.As shown in the following table 1 or table 2, table 1
It corresponds under different beams width, the situation that Group RNTI values are not multiplexed, table 2 is corresponded under different beams width, Group
The situation of RNTI values multiplexing.
The mapping table of 1 Group RNTI of table and Beam ID a kind of
The mapping table of 2 Group RNTI of table and Beam ID a kind of
Base station is notified the mapping table of wave beam and Group RNTI to terminal by RRC signaling or SIB message, each
The PDCCH domains of subframe, terminal if there is the DCI for expecting to receive, then according to current beam information, search institute according to current state
Mapping table is stated, determines oneself currently used Group RNTI, blind Detecting all or part PDCCH is gone to search with the Group RNTI
Rope space.If blind Detecting part PDCCH search space, then terminal understands Group RNTI and the mapping of search space is closed
System, i.e., the mapping relations of Group RNTI and search space are sent to terminal by base station.
Example eight
Base station is configured with candidate Group RNTI for terminal by RRC signaling and gathers { Group RNTI1, Group
RNTI2, Group RNTI3 }, base station is also by RRC signaling notice terminal difference Group RNTI and blind Detecting search space
Mapping table, as shown in the following table 3 or table 4 or table 5.
Table 3：Group RNTI tables corresponding with search space
Table 4：Group RNTI tables corresponding with search space
| Group RNTI value | Group search spaces CCE ranges |
| Group RNTI1 | CCE0-CCE9 |
| Group RNTI2 | CCE10—CCE19 |
| Group RNTI3 | CCE20—CCE29 |
| … | … |
Table 5：Group RNTI tables corresponding with search space
In table 3, represent different search space sizes with different CCE numbers, that is, correspond to different Group RNTI, search
Rope space size may be different.
In table 4, different Group RNTI correspond to different CCE ranges.
In table 5, different Group RNTI correspond to different search space running time-frequency resources, entire search space are divided into multiple
Fritter, can be time-division or frequency division, and SPx represents different fritter search spaces, SP0 as shown in Figure 4 to SP5.
For terminal when with Group RNTI blind Detectings, each Group RNTI are in correspondence in being gathered with candidate Group RNTI
Search space carries out blind Detecting, the Group DCI of user group where detecting terminal.
In other embodiments of the invention, if Group RNTI are with search space, there is no mapping relations, terminals
It, can also be with Group RNTI each in candidate Group RNTI set complete when gathering blind Detecting with candidate Group RNTI
Portion or part PDCCH search space carry out blind Detecting.
The embodiment of the present invention also provides a kind of Downlink Control Information sending device, as shown in figure 5, including：
Group radio network temporary identifier determination unit 501, for determining the group Downlink Control Information of terminal place user group
Corresponding group of radio network temporary identifier；
Processing unit 502, for being followed using described group of radio network temporary identifier to described group of Downlink Control Information
Ring redundancy check scrambles；
Transmitting element 503 sends described group of Downlink Control Information after scrambling for passing through Physical Downlink Control Channel
To the terminal.
In one embodiment of this invention, described group of radio network temporary identifier determination unit 501 determines to use where terminal
Corresponding group of radio network temporary identifier of group Downlink Control Information of family group includes：
According to the mapping relation information of preconfigured group of relevant information and group radio network temporary identifier, the end is determined
The group Downlink Control Information of user group where end.
In one embodiment of this invention, the transmitting element 503 is additionally operable to：By radio resource control signaling or it is
The mapping relation information is sent to the terminal by system message.
In another embodiment of the invention, described group of relevant information includes one or a combination set of following：Carry described group
The beam information of the wave beam of Downlink Control Information, the radio frame number of the radio frames of described group of Downlink Control Information of carrying, carrying institute
State the slot index of the time slot of group Downlink Control Information, the subframe numbers of the subframe of described group of Downlink Control Information of carrying, carrying institute
It states the sub-band information of the down control channel of group Downlink Control Information, believe with the relevant downlink business of described group of Downlink Control Information
The sub-band information in road, carry described group of Downlink Control Information down control channel subcarrier spacing information, under described group
The subcarrier spacing information of the row control relevant downlink traffic channel of information, the predefined biography for carrying described group of Downlink Control Information
The structure of time slot information of defeated time quantum.
In another embodiment of the present invention, the transmitting element 503 is additionally operable to：It is configured by radio resource control signaling
Candidate set radio network temporary identifier set gives the terminal；
The group Downlink Control Information pair of user group where described group of radio network temporary identifier determination unit 501 determines terminal
The group radio network temporary identifier answered includes：From described one group wireless network of candidate set radio network temporary identifier Resource selection
Group radio network temporary identifier of the temporary identifier as user group where the terminal.
The embodiment of the present invention also provides a kind of base station, including above-mentioned Downlink Control Information sending device.
The embodiment of the present invention also provides a kind of Downlink Control Information detection device, as shown in fig. 6, including：
Group radio network temporary identifier acquiring unit 601, for acquisition group radio network temporary identifier；
Blind Detecting unit 602, for using this group of radio network temporary identifier empty in the search of Physical Downlink Control Channel
Between carry out blind Detecting, the group Downlink Control Information of user group where obtaining the terminal.
In one embodiment of this invention, described group of 601 acquisition group wireless network of radio network temporary identifier acquiring unit
Temporary identifier includes：
According to the mapping relation information between group relevant information and group radio network temporary identifier, the terminal place is determined
The group radio network temporary identifier of user group.
In one embodiment of this invention, described group of radio network temporary identifier acquiring unit 601 is additionally operable to according to as follows
Mode obtains the mapping relation information：The mapping relation information is received from base station, alternatively, making an appointment institute with the base station
State mapping relation information.
In another embodiment of the invention, described group of radio network temporary identifier acquiring unit 601 receives institute from base station
Mapping relation information is stated to include：Receive the mapping that the base station is sent by radio resource control signaling or system message
Relation information.
In another embodiment of the present invention, described group of relevant information includes one or a combination set of following：Described group related
Information includes one or a combination set of following：Current beam information, current radio frame number, current time slots serial number, current subframe number, when
The sub-band information of preceding down control channel, the sub-band information of current downlink Traffic Channel, current downlink control channel subcarrier
Interval information, the subcarrier spacing information of current downlink Traffic Channel, the current structure of time slot letter for predefining transmission time unit
Breath.
In one more embodiment of the present invention, described group of 601 acquisition group wireless network of radio network temporary identifier acquiring unit
Network temporary identifier includes：The candidate set radio network temporary identifier set that base station is configured by radio resource control signaling is received,
Obtain each group radio network temporary identifier in described group of radio network temporary identifier set；
The blind Detecting unit 602 is using this group of radio network temporary identifier in the search space of Physical Downlink Control Channel
Blind Detecting is carried out, the group Downlink Control Information for obtaining the user group where the terminal includes：
The blind Detecting unit 602 is successively using the group wireless network in the candidate set radio network temporary identifier set
Temporary identifier carries out blind Detecting in the search space of Physical Downlink Control Channel, the user group where obtaining the terminal
Group Downlink Control Information.
In another embodiment of the present invention, the blind Detecting unit 602 is in the search space of Physical Downlink Control Channel
Blind Detecting is carried out to include：
Pass through the search of the entire Physical Downlink Control Channel of correspondence that radio resource control signaling is semi-statically configured in base station
Space carries out blind Detecting；
Alternatively, the corresponding group Downlink Control Information being semi-statically configured in the base station by radio resource control signaling is searched
Rope space carries out blind Detecting；
Alternatively,
Receive group radio network temporary identifier and the search space that base station is semi-statically configured by radio resource control signaling
Between mapping relations, the group radio network temporary identifier of user group corresponds to according to where the mapping relations determine the terminal
Search space, the corresponding search space of the group radio network temporary identifier of user group where the terminal carries out blind Detecting.
The embodiment of the present invention also provides a kind of terminal, including above-mentioned Downlink Control Information detection device.
Although disclosed herein embodiment as above, the content only for ease of understanding the present invention and use
Embodiment is not limited to the present invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (24)
1. a kind of downlink control information sending method, including：
The group radio network temporary identifier of user group where base station determines terminal, using described group of radio network temporary identifier to institute
The group Downlink Control Information of user group is sent out after carrying out cyclic redundancy check scrambling by Physical Downlink Control Channel where stating terminal
Described group of Downlink Control Information is sent to the terminal.
2. the method as described in claim 1, which is characterized in that
The group radio network temporary identifier of user group includes where the base station determines terminal：The base station is according to preconfigured
Group relevant information and the mapping relation information for organizing radio network temporary identifier, the group wireless network of user group where determining the terminal
Network temporary identifier.
3. method as claimed in claim 2, which is characterized in that the method further includes：The base station passes through radio resource control
The mapping relation information is sent to the terminal by signaling or system message processed；Alternatively, the base station and the terminal are pre-
First arrange the mapping relation information.
4. method as claimed in claim 2, which is characterized in that described group of relevant information includes one or a combination set of following：It holds
Carry the wave beam of described group of Downlink Control Information beam information, carry described group of Downlink Control Information radio frames radio frames
Number, carrying described group of Downlink Control Information time slot slot index, carry described group of Downlink Control Information subframe subframe
Number, the sub-band information, relevant with described group of Downlink Control Information of the down control channel of described group of Downlink Control Information of carrying
The sub-band information of downlink traffic channel, carry described group of Downlink Control Information down control channel subcarrier spacing information,
Described group of subcarrier spacing information, carrying Downlink Control Information with the described group of relevant downlink traffic channel of Downlink Control Information
Predefined transmission time unit structure of time slot information.
5. a kind of Downlink Control Information sending device, including：
Group radio network temporary identifier determination unit, for determining the group radio network temporary identifier of terminal place user group；
Processing unit, for described group of radio network temporary identifier to be used to control letter to the group downlink of user group where the terminal
Breath carries out cyclic redundancy check scrambling；
Described group of Downlink Control Information after scrambling is sent to the end by transmitting element for passing through Physical Downlink Control Channel
End.
6. device as claimed in claim 5, which is characterized in that
The group radio network temporary identifier of user group includes where described group of radio network temporary identifier determination unit determines terminal：
According to the mapping relation information of preconfigured group of relevant information and group radio network temporary identifier, the terminal institute is determined
In the group radio network temporary identifier of user group.
7. device as claimed in claim 6, which is characterized in that the transmitting element is additionally operable to：Believed by wireless heterogeneous networks
It enables or the mapping relation information is sent to the terminal by system message.
8. device as claimed in claim 6, which is characterized in that described group of relevant information includes one or a combination set of following：It holds
Carry the wave beam of described group of Downlink Control Information beam information, carry described group of Downlink Control Information radio frames radio frames
Number, carrying described group of Downlink Control Information time slot slot index, carry described group of Downlink Control Information subframe subframe
Number, the sub-band information, relevant with described group of Downlink Control Information of the down control channel of described group of Downlink Control Information of carrying
The sub-band information of downlink traffic channel, carry described group of Downlink Control Information down control channel subcarrier spacing information,
Described group of subcarrier spacing information, carrying Downlink Control Information with the described group of relevant downlink traffic channel of Downlink Control Information
Predefined transmission time unit structure of time slot information.
9. a kind of base station, which is characterized in that the base station includes the Downlink Control Information hair as described in claim 5 to 8 is any
Send device.
10. a kind of Downlink Control Information detection method, including：
Terminal acquisition group radio network temporary identifier, uses this group of radio network temporary identifier searching in Physical Downlink Control Channel
Rope space carries out blind Detecting, the group Downlink Control Information of user group where obtaining the terminal.
11. method as claimed in claim 10, which is characterized in that the terminal acquisition group radio network temporary identifier includes：
The terminal determines the terminal place according to the mapping relation information between group relevant information and group radio network temporary identifier
The group radio network temporary identifier of user group.
12. method as claimed in claim 11, which is characterized in that the method further includes, and the terminal is in the following way
Obtain the mapping relation information：The terminal receives the mapping relation information from the base station, alternatively, the terminal and institute
Base station is stated to make an appointment the mapping relation information.
13. method as claimed in claim 12, which is characterized in that the terminal receives the mapping relations letter from the base station
Breath includes：The terminal receives the mapping relations that the base station is sent by radio resource control signaling or system message
Information.
14. method as claimed in claim 11, which is characterized in that described group of relevant information includes one or a combination set of following：
Current beam information, current radio frame number, current time slots serial number, current subframe number, current downlink control channel sub-band information,
The sub-band information of current downlink Traffic Channel, the subcarrier spacing information of current downlink control channel, current downlink Traffic Channel
Subcarrier spacing information, the structure of time slot information of current predefined transmission time unit.
15. method as claimed in claim 10, which is characterized in that the terminal acquisition group radio network temporary identifier includes：
The terminal receives the candidate set radio network temporary identifier set that base station is configured by radio resource control signaling, described in acquisition
Each group radio network temporary identifier in group radio network temporary identifier set；
It is described to carry out blind Detecting in the search space of Physical Downlink Control Channel using this group of radio network temporary identifier, obtain institute
The group Downlink Control Information of user group includes where stating terminal：
The terminal is successively using the group radio network temporary identifier in the candidate set radio network temporary identifier set in object
The search space for managing down control channel carries out blind Detecting, and the group downlink of user group controls letter where obtaining the terminal
Breath.
16. method as claimed in claim 10, which is characterized in that described to use this group of radio network temporary identifier under physics
The search space of row control channel carries out blind Detecting and includes：
Pass through the search space of the entire Physical Downlink Control Channel of correspondence that radio resource control signaling is semi-statically configured in base station
Carry out blind Detecting；
It is alternatively, empty by the corresponding search of group Downlink Control Information that radio resource control signaling is semi-statically configured in the base station
Between carry out blind Detecting；
Alternatively,
The terminal receives base station and passes through the group radio network temporary identifier that radio resource control signaling is semi-statically configured and search
Mapping relations between space, the group radio network temporary identifier of user group according to where the mapping relations determine the terminal
Corresponding search space, the corresponding search space of the group radio network temporary identifier of user group where the terminal carry out blind examination
It surveys.
17. a kind of Downlink Control Information detection device, including：
Group radio network temporary identifier acquiring unit, for acquisition group radio network temporary identifier；
Blind Detecting unit, for using this group of radio network temporary identifier blind in the progress of the search space of Physical Downlink Control Channel
Detection, the group Downlink Control Information of user group where obtaining the terminal.
18. device as claimed in claim 17, which is characterized in that described group of radio network temporary identifier acquiring unit acquisition group
Radio network temporary identifier includes：
According to the mapping relation information between group relevant information and group radio network temporary identifier, user where the terminal is determined
The group radio network temporary identifier of group.
19. device as claimed in claim 18, which is characterized in that described group of radio network temporary identifier acquiring unit is additionally operable to
The mapping relation information is obtained according to following manner：The mapping relation information is received from base station, alternatively, pre- with the base station
First arrange the mapping relation information.
20. device as claimed in claim 19, which is characterized in that described group of radio network temporary identifier acquiring unit is from base station
The mapping relation information is received to include：Receive the institute that the base station is sent by radio resource control signaling or system message
State mapping relation information.
21. device as claimed in claim 18, which is characterized in that described group of relevant information includes one or a combination set of following：
Current beam information, current radio frame number, current time slots serial number, current subframe number, current downlink control channel sub-band information,
The sub-band information of current downlink Traffic Channel, the subcarrier spacing information of current downlink control channel, current downlink Traffic Channel
Subcarrier spacing information, the structure of time slot information of current predefined transmission time unit.
22. device as claimed in claim 17, which is characterized in that described group of radio network temporary identifier acquiring unit acquisition group
Radio network temporary identifier includes：Receive the candidate set radio network temporary identifier that base station is configured by radio resource control signaling
Set obtains each group radio network temporary identifier in described group of radio network temporary identifier set；
The blind Detecting unit is carried out blind using this group of radio network temporary identifier in the search space of Physical Downlink Control Channel
Detection, the group Downlink Control Information of user group includes where obtaining the terminal：
The blind Detecting unit is marked temporarily using the group wireless network in the candidate set radio network temporary identifier set successively
Know and carry out blind Detecting in the search space of Physical Downlink Control Channel, the group downlink control of user group where obtaining the terminal
Information processed.
23. device as claimed in claim 17, which is characterized in that blind Detecting unit the searching in Physical Downlink Control Channel
Rope space carries out blind Detecting and includes：
Pass through the search space of the entire Physical Downlink Control Channel of correspondence that radio resource control signaling is semi-statically configured in base station
Carry out blind Detecting；
It is alternatively, empty by the search of corresponding group Downlink Control Information that radio resource control signaling is semi-statically configured in the base station
Between carry out blind Detecting；
Alternatively,
It receives between the group radio network temporary identifier and search space that base station is semi-statically configured by radio resource control signaling
Mapping relations, the group radio network temporary identifier of user group is corresponding according to where the mapping relations determine the terminal searches
Rope space, the corresponding search space of the group radio network temporary identifier of user group where the terminal carry out blind Detecting.
24. a kind of terminal, which is characterized in that the terminal includes the Downlink Control Information as described in claim 17 to 23 is any
Detection device.
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| CN201611117650.XA CN108174453A (en) | 2016-12-07 | 2016-12-07 | Transmission, detection method and device, base station and the terminal of Downlink Control Information |
| PCT/CN2017/113520 WO2018103558A1 (en) | 2016-12-07 | 2017-11-29 | Methods of transmitting and detecting downlink control information, device, base station, and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110289936A (en) * | 2019-07-01 | 2019-09-27 | 北京理工大学 | A kind of 5G down control channel blind checking method based on weight sequence |
| WO2020063723A1 (en) * | 2018-09-27 | 2020-04-02 | JRD Communication (Shenzhen) Ltd. | Transmission techniques for a wireless communication system |
| WO2020063334A1 (en) * | 2018-09-28 | 2020-04-02 | 华为技术有限公司 | Indication method and device for control channel beam |
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| KR101866619B1 (en) * | 2015-01-08 | 2018-06-14 | 주식회사 케이티 | Methods for tranmitting and receving the single cell multipoint transmission data and Apparatuses thereof |
| AU2018430334A1 (en) * | 2018-06-28 | 2021-02-04 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for activating bandwidth part, terminal device, and network device |
| CN115085883B (en) * | 2019-01-21 | 2023-07-25 | 中兴通讯股份有限公司 | Information sending and receiving method and device, base station, terminal and communication system |
| CN112153743B (en) * | 2020-09-25 | 2023-12-26 | Oppo广东移动通信有限公司 | Blind detection method, device, terminal and storage medium |
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| CN102333381B (en) * | 2011-10-28 | 2014-05-07 | 电信科学技术研究院 | Resource scheduling and data transmission methods and devices |
| US20130148563A1 (en) * | 2011-12-10 | 2013-06-13 | Qualcomm Incorporated | Apparatus and methods for management, configuration and control signaling of network coded harq in mobile communication systems |
| CN103220690A (en) * | 2012-01-20 | 2013-07-24 | 中兴通讯股份有限公司 | Downlink control information sending method and device and downlink control channel detecting method and device |
| CN105636223B (en) * | 2014-11-06 | 2019-09-17 | 电信科学技术研究院 | A kind of uplink dispatch method, apparatus and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063723A1 (en) * | 2018-09-27 | 2020-04-02 | JRD Communication (Shenzhen) Ltd. | Transmission techniques for a wireless communication system |
| WO2020063334A1 (en) * | 2018-09-28 | 2020-04-02 | 华为技术有限公司 | Indication method and device for control channel beam |
| CN110289936A (en) * | 2019-07-01 | 2019-09-27 | 北京理工大学 | A kind of 5G down control channel blind checking method based on weight sequence |
| CN110289936B (en) * | 2019-07-01 | 2020-05-12 | 北京理工大学 | Weight sorting-based blind detection method for 5G downlink control channel |
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