CN108810991A - The determination method, apparatus of subcarrier spacing type - Google Patents
The determination method, apparatus of subcarrier spacing type Download PDFInfo
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- CN108810991A CN108810991A CN201710301886.7A CN201710301886A CN108810991A CN 108810991 A CN108810991 A CN 108810991A CN 201710301886 A CN201710301886 A CN 201710301886A CN 108810991 A CN108810991 A CN 108810991A
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- Prior art keywords
- control channel
- down control
- subcarrier spacing
- terminal device
- type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
Abstract
The present invention relates to mobile communication field more particularly to the determination technologies of subcarrier spacing type.In the determination method of subcarrier spacing type, terminal device receives the configuration information that the network equipment is sent, the configuration information includes at least one down control channel resources set, the down control channel resources set is for sending down control channel, the down control channel controls information for bearing downlink, and at least one down control channel resources set is associated at least two subcarrier spacing types;Or, the configuration information includes at least two down control channel resources set, each down control channel resources set is associated at least one subcarrier spacing type, the terminal device detects the down control channel, the associated first subcarrier spacing type of the down control channel resources set where obtaining the down control channel.By scheme provided by the present application, terminal device may be implemented and dynamically determine subcarrier spacing type.
Description
Technical field
The present invention relates to the subcarrier spacing types in mobile communication field more particularly to wireless communication system.
Background technology
In a wireless communication system, the different frequency scope in the system bandwidth of a serving cell supports different sons to carry
Wave spacing type, the network equipment are notified the information of the frequency range of the serving cell to terminal device by system message and at these
The information for the subcarrier spacing type supported in frequency range, in the time domain, the son of different periods in the same frequency range
Carrier wave interval type is can be changed, and when subcarrier spacing Change of types, the network equipment is again by updated
System message notifies the subcarrier spacing type after variation to terminal device.
It is notified from the network equipment to terminal device by system message due to the information of subcarrier spacing type, but is
Information updating speed of uniting is slow, prevents terminal device from the subcarrier spacing type after obtaining variation in time, and then cannot expire
The delay requirement of sufficient terminal device business.
Invention content
This document describes the determination method and apparatus of a subcarrier spacings type, between the dynamic determining subcarrier of realization
Every type.
On the one hand, embodiments herein provides the determination method of a subcarrier spacings type.Including:Terminal device connects
Receive the first configuration information that the network equipment is sent, at least one down control channel resources set and at least two subcarriers
Interval type is associated;Alternatively, first configuration information includes at least two down control channel resources set, each downlink
Control channel resource collection corresponds to associated at least one subcarrier spacing type, wherein first configuration information includes
At least one down control channel resources set, the down control channel resources set is for sending down control channel, institute
It states down control channel and controls information for bearing downlink;The terminal device detects the down control channel, described in acquisition
The associated first subcarrier spacing type of down control channel resources set where down control channel.For example, subcarrier
Interval type can be 15kHz, 30kHz, 60kHz, 120kHz, 240kHz and/or 480kHz etc..
In a possible design, after receiving the first configuration information, the terminal device receives the network equipment and sends
The second configuration information, second configuration information further includes the instruction information of the entry-into-force time length of subcarrier spacing type,
The terminal device is used to indicate to detect the second down control channel at least once in the entry-into-force time length.With
Terminal device is set to be detected to the second down control channel in the entry-into-force time length that the second configuration information is included, because
The time for specifying the detection to the second down control channel, to reduce the detection number to down control channel.
In another possible design, the terminal device determines between the second subcarrier used in reception downlink data
Every type and the terminal device by detecting used in the down control channel in the down control channel resources set
First subcarrier spacing type is identical, and the terminal device uses the second subcarrier spacing type reception downlink data;And/or institute
It states terminal device and determines that the terminal device sends the second subcarrier spacing type and the terminal used in upstream data and sets
First subcarrier spacing type used in down control channel in the standby down control channel resources set by detection
Identical, the terminal device sends upstream data and/or ascending control information using the second subcarrier spacing type.
In another possible design, the terminal device obtains the downlink by the down control channel and controls
The second subcarrier spacing type indication information that information includes, using the second subcarrier spacing type indication information instruction
Second subcarrier spacing type reception downlink data and/or transmission upstream data and/or ascending control information.For example, using
The down control channel of identical subcarrier spacing type, when dispatching eMBB business datums and URLLC business datums, both industry
The subcarrier spacing type that business data use is different, by scheme provided by the embodiments of the present application, further designation date channel
The subcarrier spacing type used, control channel and data use different subcarrier spacings so that data can adapt to industry in time
The emergency case of business.
Second aspect, embodiments herein provide the determination method of a subcarrier spacings type, including:
The network equipment determines that the first configuration information, first configuration information include at least one down control channel resources
Set, the down control channel resources set are used to send down control channel, the down control channel to terminal device
Information is controlled for bearing downlink, wherein at least one down control channel resources set and at least two sub- intercarriers
It is associated every type;Alternatively, first configuration information includes at least two down control channel resources set, each downlink control
Channel resource set processed is associated at least one subcarrier spacing type, and the network equipment sends institute to the terminal device
State the first configuration information.For example, subcarrier spacing type can be 15kHz, 30kHz, 60kHz, 120kHz, 240kHz and/or
480kHz etc..
In a possible design, the network equipment sends the second configuration information to terminal device, and described second matches
Confidence breath further includes the instruction information of the entry-into-force time length of subcarrier spacing type, is used to indicate terminal device in the entry-into-force time
It is interior that down control channel is detected at least once.By scheme provided by the embodiments of the present application, terminal device is when coming into force
Between down control channel is detected in length, to reduce detection number of the terminal device to Downlink Control Information.
In another possible design, the network equipment receives the terminal device and uses the second subcarrier spacing class
The upstream data and/or ascending control information that type is sent, second carrier type send the downlink with the network equipment
The first subcarrier spacing type is identical used in control channel;And/or the network equipment uses between the second subcarrier
Downlink data is sent to terminal device every type, the second subcarrier spacing type sends the downlink with the network equipment
The first subcarrier spacing type is identical used in control channel.
In the above-described embodiments, in a possible design, first configuration information further includes period reference time
It indicates information, is used to indicate the terminal device and at least one is carried out to the down control channel within period reference time
Secondary detection.By scheme provided by the embodiments of the present application, terminal device examines Downlink Control Information within the time of instruction
It surveys, to reduce detection number of the terminal device to Downlink Control Information.
In the above-described embodiments, in a possible design, first configuration information further includes between reference subcarrier
Every type indication information, terminal device is used to indicate within the time that the reference subcarrier interval type indicates, under described
Row control channel is detected at least once.Since the reference subcarrier interval is relevant with OFDM symbol length, according to son
Carrier wave interval type can know the time indicated by the subcarrier spacing type.For example, the subcarrier spacing type is signified
The time shown is the time that N number of OFDM symbol length includes, and N values are 7 or 14 equal integers.Terminal device is in the subcarrier spacing
Down control channel is detected in the time of type instruction, to reduce detection of the terminal device to Downlink Control Information
Number.
In the above-described embodiments, in a possible design, first configuration information includes that following at least one refer to
Show information:The data of scheduling occupied number of resources in the time domain is associated in each down control channel resources set for obtaining
The instruction information of amount, such as OFDM symbol number shared by the duration either number of time slots or number of sub-frames etc., by
It is included in the first configuration information in the length of associated data, the length of flexible scheduling data can be provided, business is adapted to
Emergency case;Or, the instruction for obtaining the resource quantity for being included on each down control channel resources aggregate frequency domain
Information, such as can be the instruction information of the quantity for the Physical Resource Block for including in frequency, in another example can be in frequency
Including resource block group quantity and each resource block group include the instruction information of several resource blocks;Or, each for obtaining
The instruction information for the resource quantity for being included in down control channel resources set time-domain resource, such as can refer to each downlink
The OFDM symbol number that control channel resource collection accounts in time;Or, for obtaining each down control channel resources set
The instruction information of frequency range in frequency domain in said system bandwidth, such as can refer in system bandwidth, each downlink
The index of the resource block or resource block group that include in control channel resource collection frequency domain or the range of index etc. indicate information;
Or, the instruction information for obtaining demodulated reference signal in each down control channel resources set, such as can refer to obtaining
The instruction information of demodulated reference signal sequence in each down control channel resources set.
The third aspect, an embodiment of the present invention provides a kind of terminal devices, and the terminal device is for realizing above method reality
The function of the behavior of the terminal device in example is applied, the function can also be executed corresponding by hardware realization by hardware
Software realization, the hardware or software include one or more modules corresponding with above-mentioned function.
In a possible design, the structure of the network equipment includes receiver and processor, the processor by with
It is set to and terminal device is supported to execute corresponding function in the above method.The receiver is for supporting terminal device and the network equipment
Between communication, receive the network equipment and send information involved in the above method or instruction.The terminal device can be with
Including memory, the memory preserves the necessary program instruction of terminal device and data for being coupled with processor.
Fourth aspect, an embodiment of the present invention provides a kind of network equipment, which, which has, realizes that the above method is real
The function of network equipment behavior in border.The function can also execute corresponding software by hardware realization by hardware
It realizes.The hardware or software include one or more modules corresponding with above-mentioned function.
In a possible design, the structure of the network equipment includes processor and transmitter, the processor by with
It is set to and the network equipment is supported to execute corresponding function in the above method.The transmitter is for supporting the network equipment and terminal device
Between communication, send information involved in the above method or instruction to terminal device.The network equipment can also wrap
Memory is included, the memory preserves the necessary program instruction of the network equipment and data for being coupled with processor.
5th aspect, an embodiment of the present invention provides a kind of communication system, which includes the network described in above-mentioned aspect
Equipment and terminal device.
6th aspect, an embodiment of the present invention provides a kind of computer storage medias, for being stored as the above-mentioned network equipment
Computer software instructions used, it includes for executing the program designed by above-mentioned aspect.
7th aspect, an embodiment of the present invention provides a kind of computer storage medias, for being stored as above-mentioned terminal device
Computer software instructions used, it includes for executing the program designed by above-mentioned aspect.
Compare and the prior art, scheme provided by the invention, can to avoid due to system message update not in time, caused by
Terminal device cannot obtain the problem of subcarrier spacing type after variation in time, and then realize dynamic instruction subcarrier spacing
Change of types.
Description of the drawings
Fig. 1 is a kind of possible application scenarios schematic diagram of the present invention;
The different sub-carrier intervals of Fig. 2 to realize the present invention correspond to the structural schematic diagram of time-domain OFDM symbol length;
Fig. 3 is the structural schematic diagram for being semi-statically configured subcarrier spacing;
Fig. 4 is the flow diagram of the determination method of subcarrier spacings type provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of the determination method of another subcarrier spacings type provided in an embodiment of the present invention;
Fig. 6 is the structural schematic diagram of the determination method of another subcarrier spacings type provided in an embodiment of the present invention;
Fig. 7 is the structural schematic diagram of the determination method of another subcarrier spacings type provided in an embodiment of the present invention;
Fig. 8 is the flow diagram of the determination method of another subcarrier spacings type provided in an embodiment of the present invention;
Fig. 9-1 is the flow diagram of the determination method of another subcarrier spacings type provided in an embodiment of the present invention;
Fig. 9-2 is the flow diagram of the determination method of another subcarrier spacings type provided in an embodiment of the present invention;
Figure 10-1 is the flow diagram of the determination method of another subcarrier spacings type provided in an embodiment of the present invention;
Figure 10-2 is the flow diagram of the determination method of another subcarrier spacings type provided in an embodiment of the present invention;
Figure 11 is a kind of terminal device structural schematic diagram provided in an embodiment of the present invention;
Figure 12 is another terminal device structural schematic diagram provided in an embodiment of the present invention;
Figure 13 is a kind of network equipment infrastructure schematic diagram provided in an embodiment of the present invention;
Figure 14 is another network equipment infrastructure schematic diagram provided in an embodiment of the present invention;
Figure 15 is a kind of structural schematic diagram of the transmission based on slot;
Figure 16 is the structural schematic diagram transmitted based on a kind of mini-slot;
Figure 17-a1 are the structural schematic diagram that terminal device supports two kinds of Transmission Time Intervals;
Figure 17-a2 are another structural schematic diagram that terminal device supports two kinds of Transmission Time Intervals;
Figure 18 is another structural schematic diagram that terminal device supports two kinds of Transmission Time Intervals;
Figure 19 is a kind of structural schematic diagram that terminal device detects Downlink Control Information;
Figure 20 is another structural schematic diagram that terminal device detects Downlink Control Information.
Specific implementation mode
The network architecture and business scenario of description of the embodiment of the present invention are to more clearly illustrate implementation of the present invention
The technical solution of example, does not constitute the restriction for technical solution provided in an embodiment of the present invention, those of ordinary skill in the art
It is found that the appearance of the differentiation and new business scene with the network architecture, technical solution provided in an embodiment of the present invention is for similar
The technical issues of, it is equally applicable.
It is set as shown in Figure 1, wireless access network (Radio Access Network, RAN) node 110 is at least one terminal
Standby 120 provide service, have control plane connection between the RAN node 110 and core net (Core Network, CN) 130 and use
Family face connects, wherein representing user plane connection with S1-U, control plane connection is represented with S1-C.The RAN node 110 and a terminal
Wireless communication between equipment 120 can be used only one at sub-carrier (component carrier, CC), or using more
It is a at sub-carrier, CC1 and CC2 as shown in the figure.
The technology that the present invention describes can be adapted for long term evolution (Long Term Evolution, abbreviation LTE) system,
Or other use the wireless communication system of various wireless access technologys, and for example, by using CDMA, frequency division multiple access, time division multiple acess,
Orthogonal frequency division multiple access, the system of the access technologies such as single-carrier frequency division multiple access.Further, it is also possible to suitable for follow-up using LTE system
Evolution system, such as the 5th generation 5G system.For clarity, it is only illustrated by taking LTE system as an example here.In LTE system
In, UMTS Terrestrial Radio Access Network (the Evolved Universal Terrestrial Radio Access of evolution
Network abbreviation E-UTRAN) it is used as wireless access network, evolution block core net (Evolved Packet, Core, abbreviation EPC)
As core net.Terminal device accesses IMS network by E-UTRAN and EPC.
In the application, the terminal device involved by the embodiment of the present invention can refer to providing a user voice and/or data
The equipment of connectivity, the portable equipment with wireless connecting function or other processing for being connected to radio modem are set
It is standby.Wireless terminal can be led to through wireless access network (Radio Access Network, RAN) and one or more core nets
Letter, wireless terminal can be mobile terminal, such as mobile phone (or be " honeycomb " phone) and the computer with mobile terminal,
For example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they and wireless access
Net exchanges language and/or data.For example, personal communication service (PCS, Personal Communication Service) is electric
Words, wireless phone, Session initiation Protocol (SIP) phone, wireless local loop (WLL, Wireless Local Loop) stand, are a
The equipment such as personal digital assistant (PDA, Personal Digital Assistant).Wireless terminal is referred to as system, subscriber
Unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), movement
Platform (Mobile), distant station (Remote Station), access point (Access Point), remote terminal (Remote
Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User
Agent), user equipment (User Device) or user equipment (User Equipment).
In the application, the network equipment involved by the embodiment of the present invention can be base station either access point or can be with
It is to refer to the accession in net in the air on interface by the equipment of one or more sectors and wireless terminal communications.Base station can be used for receive
To air frame and IP grouping mutually converted, the router between the rest part netted as wireless terminal and access,
The rest part of middle access net may include Internet protocol (IP) network.Attribute management of the base station also tunable to air interface.Example
Such as, base station can be gNB, transmission receiving point (Transmission Reception Point, TRP), evolved node B
(evolved Node B, eNB), radio network controller (Radio Network Controller, RNC), node B (Node
B, NB), base station controller (Base Station Controller, BSC), base transceiver station (Base Transceiver
Station, BTS), Home eNodeB (for example, Home evolved NodeB or Home Node B, HNB), Base Band Unit
(BaseBand Unit, BBU) or Wifi access points (Access Point, AP) etc., the application does not limit.
In the application, the "at least one" involved by the embodiment of the present invention refers to one or more, other quantifiers with
It is similar."and/or", describes the incidence relation of affiliated partner, indicates may exist three kinds of relationships, can be with for example, A and/or B
It indicates:Individualism A exists simultaneously A and B, these three situations of individualism B.Character "/" typicallys represent forward-backward correlation object
A kind of relationship of "or".
In the application, the noun " associated " in the embodiment of the present invention can refer to that A and B exists and contacts, can refer to A with
B there is incidence relation either A be correspondings with B or A and B one mapping table of composition or it is other can be associated
Relationship.Such as in the present invention, A can be at least one down control channel resources set, and B can be between at least one subcarrier
Every type.
In LTE system and the system of the following evolution, terminal device can support a variety of subcarrier spacing types, such as
15kHz, 30kHz, 60kHz, 120kHz, 240kHz and/or 480kHz etc..In orthogonal frequency division multiplexing (orthogonal
Frequency duplex multiplexing, OFDM) in system, the symbol lengths of subcarrier spacing type and OFDM are at anti-
Than that is, subcarrier spacing is bigger, and OFDM symbol length is shorter.For example, in Fig. 2, one corresponding to subcarrier spacing 15kHz
The time span of OFDM symbol is 4 times of the time span of a corresponding OFDM symbol when being subcarrier spacing 60kHz.
In a serving cell, the time span that a data are sent is a Transmission Time Interval
(transmission time interval) TTI, a TTI can be 1 subframe (1ms) or 1 time slot (slot).
Wherein, slot can be an opposite unit, i.e., only define the OFDM symbol number that slot includes, as shown in Fig. 2, 1
Slot includes 7 OFDM symbols, and when subcarrier spacing type is 15kHz, the absolute time length of 1 slot is 0.5ms;
When subcarrier spacing type is 60kHz, the absolute time length of 1 slot is 0.125ms.
In a serving cell, the different frequency scope in system bandwidth supports different subcarrier spacing types,
In time domain, the subcarrier spacing type of the same frequency range different periods can change.The network equipment passes through broadcast system
Message notifies the change of subcarrier spacing type to terminal device, as shown in figure 3, f1 and f2 is two different frequency ranges,
Within the T1 periods, subcarrier spacing type is 15kHz in f1, after updated system information comes into force, the frequency within the T2 periods
Subcarrier spacing type becomes 60kHz in rate range f1;Subcarrier spacing type is within the T1 periods in frequency range f2
60kHz, after updated system information comes into force, subcarrier spacing type becomes 60kHz in frequency range f2.The network equipment also may be used
With the subcarrier spacing type in only changing section frequency range, such as in T1 finish times time, i.e., updated system letter
Subcarrier spacing, which is the time duration T3 of 15kHz, after breath comes into force, in frequency range f2 can be more than T2.
From figure 3, it can be seen that at the T1 moment, need between notifying updated subcarrier to terminal device by system message
Every type, but since system message update is slow, before not sending system message, the network equipment can only use 15kHz to
Terminal device sends business datum, to cause terminal device that cannot obtain the subcarrier spacing type after changing in time, in turn
The delay requirement of terminal device business cannot be met.
Have in view of that, an embodiment of the present invention provides the determination method of a subcarrier spacings type, terminal device passes through
The configuration information for receiving down control channel resources set associated at least two subcarrier spacing types, by under detection
Row control channel obtains used subcarrier spacing type in current transmission time interval.
Referring to FIG. 4, it determines the flow diagram of method for a subcarrier spacings provided by the embodiments of the present application.Such as
Shown in Fig. 4, this method may include steps of:
401, the network equipment determines the first configuration information, which includes at least one down control channel money
Source is gathered, and at least one down control channel resources set is associated at least two subcarrier spacing types;Alternatively, institute
State the first configuration information include at least two down control channel resources set, each down control channel resources set at least
One subcarrier spacing type is associated;Wherein, the down control channel resources set sends downlink control for terminal device
Channel processed, the down control channel control information for bearing downlink.
Illustratively, which can be system information or radio resource control RRC signaling, Huo Zheqi
His message or signaling, it is numerous to list herein, as long as can include the content included by above-mentioned first configuration information, it belong to this
Invention scope of the claimed.
Illustratively, at least one down control channel resources set and at least two subcarrier spacings type
It is associated, such as may include following either cases:
One down control channel resources set is associated with two subcarrier spacing types;Or, two downlink control letters
Road resource collection is associated with two subcarrier spacing types;Or, at least three down control channel resources set and at least two
Subcarrier spacings type is associated, and (for example, it is assumed that there are three down control channel resources set, the first and second downlinks control
Channel resource set corresponds to the first subcarrier spacing type, and third down control channel resources set corresponds to the second subcarrier spacing
Type or the first down control channel resources set correspond to the first subcarrier spacing type, and second and the control of third downlink are believed
Road resource collection corresponds to the second subcarrier spacing type).Certainly, these examples are merely to understand what the embodiment of the present application was lifted
Example all belongs to as long as it is associated at least two subcarrier spacing types to embody at least one down control channel resources set
In the protection domain of the application.
Illustratively, first configuration information includes at least two down control channel resources set, each downlink control
Channel resource set processed is associated at least one subcarrier spacing type, such as may include following either cases:
First configuration information includes at least two down control channel resources set, each down control channel resources
Set is associated with a subcarrier spacing type, alternatively, first configuration information includes multiple down control channel resources
Gather, the part set in the multiple down control channel resources set is related at least one subcarrier spacing type
Connection, another partial set in addition to a part and at least one subcarrier spacing class in addition to a sub-carrier type
Type is associated.For example, first configuration information includes 5 down control channel resources set, the described 1st, 2 and 3 downlink
The corresponding subcarrier spacing type of control channel resource collection is 15kHz, and the 4th and 5 down control channel resources set corresponds to
Subcarrier spacing type be 60kHz.In another example first configuration information includes 3 down control channel resources set, institute
It is respectively 15kHz and 30kHz to state the corresponding subcarrier spacing type of the 1st and 2 down control channel resources set, under the 3rd
The corresponding subcarrier spacing type of row control channel resource collection is 60kHz.These examples are merely to understand that the application is implemented
Example institute illustrated example, as long as it includes at least two down control channel resources set to embody first configuration information, under each
Row control channel resource collection is associated at least one subcarrier spacing type, belongs to the protection domain of the application.
Illustratively, first configuration information further includes period reference time instruction information, is used to indicate the terminal
Equipment detects the Downlink Control Information within period reference time at least once.
Illustratively, first configuration information further includes reference subcarrier interval type instruction information, is used to indicate end
End equipment examines the down control channel within the reference subcarrier interval type corresponding time at least once
It surveys.
Illustratively, it includes that following at least one refer to that the terminal device, which receives the first configuration information that the network equipment is sent,
Show information:
For obtaining, that the data of scheduling are associated in each down control channel resources set is occupied on sending time domain
The instruction information of resource quantity, such as can be the down control channel scheduling number sent in down control channel resources set
According to when, the instruction information of the time duration of data, for example, OFDM symbol number or time slot shared by the duration
Number or number of sub-frames etc.;Or
Instruction information for obtaining the resource quantity for being included on each down control channel resources aggregate frequency domain, example
It such as can be the instruction information of the quantity for the Physical Resource Block for including in frequency, in another example can be the money for including in frequency
Source block group quantity and each resource block group include the instruction information of several resource blocks;Or
Instruction information for obtaining the resource quantity for being included in each down control channel resources set time-domain resource,
Such as can refer to the OFDM symbol number that each down control channel resources set accounts in time;Or
For obtaining the finger in the frequency range on each down control channel resources aggregate frequency domain in system bandwidth
Show information, such as can refer in system bandwidth, the resource block that includes on each down control channel resources aggregate frequency domain or
The index of resource block group or the range of index etc. indicate information;Or
Instruction information for obtaining demodulated reference signal in each down control channel resources set, such as can refer to
Obtain the instruction information of demodulated reference signal sequence in each down control channel resources set.
402, the network equipment sends first configuration information to terminal device.
403, the terminal device receives first configuration information.
404, the terminal device detects the down control channel, obtains the downlink control where the down control channel
The associated first subcarrier spacing type of channel resource set processed.
It is exemplary, in first configuration information that the terminal device receives, at least one down control channel
Resource collection is associated at least two subcarrier spacing types, and the terminal device is under each of described first configuration information
Down control channel is detected in row control channel resource collection, obtains the down control channel money where the down control channel
Gather associated subcarrier spacing type in source.For example, the first configuration information that the network equipment is sent includes two downlink controls
Channel resource set processed, as shown in figure 5,1 corresponding subcarrier spacing type of lower control channel resource collection is 15kHz, downlink
2 corresponding subcarrier spacing type of control channel resource collection is 60kHz, and terminal device is in each down control channel resources collection
Down control channel is detected in closing, if terminal device detects Downlink Control Information, net in down control channel resources set 1
Network equipment uses 15kHz subcarrier spacings to send down control channel at this time, and/or, if terminal device is in down control channel
Downlink Control Information is detected in resource collection 2, then the network equipment uses 60kHz subcarrier spacings to send downlink control letter at this time
Road.
Illustratively, as shown in fig. 6, first configuration information further includes period reference time instruction information, for referring to
Show that the terminal device detects the Downlink Control Information within period reference time at least once.
For example, in the embodiment shown in fig. 6, period reference time instruction information is assumed to be 10ms, in 10ms starting (figures
Downlink controls resource collection 1 in 6), the terminal device detects the down control channel at least once, described in acquisition
The information of the corresponding subcarrier spacing type of down control channel resources set where down control channel.In another example described
First configuration information includes two down control channel resources set, 1 corresponding subcarrier of down control channel resources set
Interval type is 15kHz, and 2 corresponding subcarrier spacing type of down control channel resources set is 60kHz, the terminal device
Downlink control is successfully detected according to 15kHz if in 10ms according to 15kHz and 60kHz detection down control channels respectively
Information then illustrates that the subcarrier spacing type of terminal device at this time is 15kHz, that is, the network equipment is sent to terminal device
Downlink data and terminal device send the subcarrier spacing that upstream data all uses 15kHz.Time of the terminal device in instruction
It is interior that down control channel is detected, detection number of the terminal device to Downlink Control Information can be reduced.
For example, within period reference time, sending the subcarrier spacing type that down control channel uses may occur
Variation, therefore, terminal device will detect down control channel at least once, be made when obtaining newest transmission down control channel
Subcarrier spacing type.That is, terminal device will detect down control channel at least once, refer to according under transmission
Between the sub-carrier type that row control channel may use determines that current network device sends the subcarrier that down control channel uses
Every.
In another example within period reference time, terminal device may detect down control channel more than once, for determining
Whether the network equipment sends Downlink Control Information.
It should be noted that terminal device detection down control channel is according to which kind of subcarrier spacing type detection, it is this
Hypothesis testing at least executes primary within period reference time.
Illustratively, first configuration information further includes reference subcarrier interval type instruction information, is used to indicate end
End equipment examines the down control channel within the reference subcarrier interval type corresponding time at least once
It surveys.As shown in fig. 7, the subcarrier spacing type is 15kHz, and the 15kHz corresponding times are a slot, that is, include 7
OFDM symbol, terminal device start to control downlink at the starting point (downlink controls resource collection 1 in such as Fig. 7) of each slot
Channel is detected at least once, similar with embodiment shown in fig. 6, which kind of subcarrier spacing type detection terminal device uses
Go out Downlink Control Information, it can be said that the bright terminal device is operated under the pattern of the subcarrier spacing.Terminal device is at this
Down control channel is detected in the time of subcarrier spacing type instruction, downlink is controlled to reduce terminal device
The detection number of information.
Illustratively, the terminal device receives the second configuration information that the network equipment is sent, second configuration information
Further include the instruction information of the entry-into-force time length of subcarrier spacing type, is used to indicate terminal device in entry-into-force time length
The down control channel is detected at least once.For example, the instruction information of the subcarrier spacing entry-into-force time length
Can be carried in the Downlink Control Information, the entry-into-force time can be the time in reference cycle 1/2,1/4, the reference time
2 times, 4 times of the reference time or infinity etc..For example, in Fig. 7, when subcarrier spacing type is 60kHz, subcarrier spacing life
When imitating 1/2 that time span (N) is the time in reference cycle, illustrate that terminal device needs to detect downlink control twice within the reference time
Whether channel processed, monitoring subcarrier spacing change.In another example when subcarrier spacing entry-into-force time length (N) is infinitely great, say
Bright terminal device need not detect subcarrier spacing variation again, and acquiescence, which is used and sent always, to be carried under the Downlink Control Information
The identical subcarrier spacing type of row control channel.Terminal device examines down control channel in entry-into-force time length
It surveys, to reduce detection number of the terminal device to Downlink Control Information.For example, the second configuration information can be downlink control
Information or other configurations information.
Terminal device receives at least two subcarrier spacing types of network equipments configuration, by detecting downlink control letter
Road obtains the corresponding subcarrier spacing type information of the down control channel, avoids causing not in time due to system message update
Terminal device the problem of cannot obtaining the subcarrier spacing type after variation in time, and then realize between dynamic instruction subcarrier
Every Change of types.
Compare and the prior art, scheme provided by the invention, can to avoid due to system message update not in time, caused by
Terminal device cannot obtain the problem of subcarrier spacing type after variation in time, and then realize dynamic instruction subcarrier spacing
Change of types.
401,402,403 and in the embodiment as shown in fig. 4 of 803,804,805 and 806 in embodiment shown in Fig. 8
404 is similar, the difference is that, before the network equipment determines configuration information, embodiment illustrated in fig. 8 further comprises:
801, terminal device reports the sub-carrier type that the terminal device is supported to the network equipment.
Illustratively, the terminal device directly can report the subcarrier spacing itself supported to the network equipment
Type, such as the subcarrier spacing type of support is 15kHz and 60kHz.
Illustratively, what the terminal device hidden can show reports subcarrier spacing type, example to the network side equipment
Such as, the terminal device reports the type of service itself supported to the network equipment, such as two kinds of service class of eMBB and URLLC
Type, the network equipment determine that terminal device supports 15kHz and 30/60kHz more by two kinds of types of service of eMBB and URLLC
Subcarrier spacings type.
Illustratively, the network equipment can also be pre-configured with or support at least one by agreement prescribed terminal equipment
Subcarrier spacings type, in this case, terminal device only need to report except at least one son carries to the network equipment
Other subcarrier spacing types except wave spacing type.
802, the network equipment sends the first instruction information to the terminal device, which is used to indicate service
The subcarrier spacing type supported in cell system bandwidth.
Illustratively, before the network equipment does not send the first instruction information to the terminal device, the service is small
Acquiescence supports one or more subcarrier spacing types in sound zone system bandwidth.
Illustratively, which is used to indicate in the serving cell system bandwidth in a certain frequency range
The subcarrier spacing type supported.
Illustratively, before the network equipment does not send the first instruction information to terminal device, it is small to give tacit consent to the service
The subcarrier spacing type supported in a certain frequency range in sound zone system bandwidth.For example, carrier center is including synchronizing signal
Frequency range in give tacit consent to subcarrier spacing type be 15kHz, or with synchronizing signal use identical subcarrier spacing class
Type.
Illustratively, which can be that cell is specific, such as is carried on Physical Broadcast Channel
(physical broadcast control channel, PBCH) or System information block (system information
Block, SIB) in.
Illustratively, which can be that the specific either terminal device group of terminal device is specific, example
It is such as carried in wireless heterogeneous networks (radio resource control, RRC) signaling.
It should be strongly noted that the network equipment can support multiple serving cells simultaneously, it is small for each service
Area, which can send corresponding instruction information or an instruction information, can be used to refer to multiple serving cells.
The terminal device reports the subcarrier spacing type of support, so that the network equipment is matched to the terminal device
Before setting the subcarrier spacing type of down control channel resources set associative, knows and need to be associated with to the terminal equipment configuration
Sub-carrier type, wherein the association subcarrier spacing type of different terminal equipment configuration can be different.
The advantageous effect of the embodiment please refers to embodiment shown in Fig. 4, and details are not described herein.
It should be strongly noted that embodiment shown in Fig. 9-1 is similar with embodiment illustrated in fig. 4, implement shown in Fig. 9-2
Example is similar with embodiment shown in Fig. 8, is after determining subcarrier spacing type except different, further includes 9a and/or 9b,
Wherein 9a and/or 9b include:
9a, the terminal device determine that receiving the second subcarrier spacing type and the terminal used in downlink data sets
First subcarrier spacing type used in Downlink Control Information in the standby down control channel resources set by detection
Identical, the terminal device uses the second subcarrier spacing type reception downlink data;And/or
9b, the terminal device determine that the terminal device sends the second subcarrier spacing type used in upstream data
With the terminal device by detecting the first son used in the down control channel in the down control channel resources set
Carrier wave interval type is identical, and the terminal device sends upstream data using the second subcarrier spacing type.
Using the method for Fig. 9-1, downlink data and transmission upstream data and/or ascending control information use second is received
Subcarrier spacing type can be different with the first subcarrier spacing type that down control channel uses is sent, so that data more can
It is suitble to current service conditions.
Using the method for Fig. 9-2, terminal reports the subcarrier spacing type of support, so that the network equipment is matched to terminal device
When setting the subcarrier spacing type of down control channel resources set associative, it is known which kind of sub- load should be associated with to terminal equipment configuration
The association subcarrier spacing type of wave type, wherein different terminal equipment configuration can be different.
The advantageous effect of the embodiment please refers to embodiment shown in Fig. 4, and details are not described herein.
It should be strongly noted that embodiment shown in Figure 10-1 is similar with embodiment illustrated in fig. 4, it is real shown in Figure 10-2
It is similar with embodiment shown in Fig. 8 to apply example, further includes 10a and 10b the difference is that after determining subcarrier spacing type,
Wherein 10a and 10b include:
10a, the terminal device obtain the second subcarrier in the Downlink Control Information by the down control channel
Interval type.
10b, the terminal device using the second subcarrier spacing type reception downlink data and/or send upper line number
According to.
Using the scheme of Figure 10-1, terminal device receives downlink data and sends upstream data and/or ascending control information
The the second subcarrier spacing type used can be different with the first subcarrier spacing type that down control channel uses is sent, and make
Data can more be suitble to current service conditions.
Using the scheme of Figure 10-2, terminal reports the subcarrier spacing type of support, so that the network equipment is to terminal device
When the associated subcarrier spacing type of configurating downlink control channel resource collection, it is known which kind of son should be associated with to terminal equipment configuration
Carrier type.The association subcarrier spacing type of different terminal equipment configuration can be different.
The advantageous effect of the embodiment please refers to embodiment shown in Fig. 4, and details are not described herein.
It is above-mentioned that mainly scheme provided in an embodiment of the present invention is described from the angle of interaction between each network element.It can
With understanding, each network element, such as terminal device or the network equipment etc. are in order to realize above-mentioned function, it is each it comprises executing
The corresponding hardware configuration of function and/or software module.Those skilled in the art should be readily appreciated that, public in conjunction with institute herein
Each exemplary unit and algorithm steps for the embodiment description opened, the present invention can be with hardware or the knot of hardware and computer software
Conjunction form is realized.Some functions is executed in a manner of hardware or computer software driving hardware actually, depends on technology
The specific application and design constraint of scheme.Professional technician can carry out using distinct methods each specific application
Realize described function, but such implementation should not be considered as beyond the scope of the present invention
Figure 11 shows that a kind of possible structural schematic diagram of terminal device involved in above-described embodiment, the terminal are set
It is ready for use on the function for the behavior for realizing the terminal device in above method embodiment, including:
Receiving module 1101, the first configuration information for receiving network equipment transmission, first configuration information include
At least one down control channel resources set, the down control channel resources set is for sending down control channel, institute
State down control channel for bearing downlink control information, wherein at least one down control channel resources set with extremely
Few two subcarrier spacing types are associated;Alternatively, first configuration information includes at least two down control channel resources
Set, each down control channel resources set correspond to associated at least one subcarrier spacing type;
Processing module 1102 obtains the downlink where the down control channel for detecting the down control channel
The associated first subcarrier spacing type of control channel resource collection.
It should be strongly noted that as shown in figure 12, the corresponding entity device of processing module shown in Figure 11 is processor
1202, the corresponding entity device of receiving module is receiver 1201.It can also include memory 1203 that further the actual load, which is set,.
Wherein, memory 1203 is used for the program code and data of storage terminal device.
Figure 13 shows that a kind of possible structural schematic diagram of the network equipment involved in above-described embodiment, the network are set
It is standby to have the function of realizing above method network equipment behavior in practice, including:
Processing module 1301, for determining that the first configuration information, first configuration information include at least one downlink control
Channel resource set processed, at least one down control channel resources set are related at least two subcarrier spacing types
Connection;Alternatively, first configuration information includes at least two down control channel resources set, each down control channel resources
Set is associated at least one subcarrier spacing type, wherein the down control channel resources set to terminal for setting
Preparation send down control channel, the down control channel to control information for bearing downlink;
Sending module 1302, for sending the configuration information that the determining module 1301 determines to the terminal device.
It should be strongly noted that as shown in figure 14,1301 corresponding entity device of sending module shown in Figure 13 is hair
Emitter 1401,1302 corresponding entity device of sending module are receiver 1402.Further, which further includes that memory 1403 is used
In the program code and data of storage networking device.
The advantageous effect of above-mentioned apparatus embodiment please refers to the advantageous effect of corresponding method embodiment, and details are not described herein.
When terminal device supports at least two Transmission Time Intervals, such as evolution movement bandwidth (evolved mobile
Broadband, eMBB) service bearer in a kind of Transmission Time Interval, ultralow reliable low time delay communicates (ultra
Reliability low latency communication, URLLC) service bearer is in another Transmission Time Interval, terminal
Equipment needs to carry out repeated detection, but the complexity of this detection to down control channel using different Transmission Time Intervals
It is relatively high.
It is following in order to express easily, by the first Transmission Time Interval carry eMBB business for, second of transmission time
It for interval carrying URLLC business, illustrates, this is only institute's illustrated example of the present invention, and the present invention includes being not limited to this.
For example, in a Transmission Time Interval of a serving cell, to carry out a data and send, therefore can manage
Solution, for not only supporting eMBB business but also the terminal device of URLLC business being supported to need the Transmission Time Interval of two kinds of length of support.
Wherein, Figure 15 is a kind of transmission based on slot, i.e., data, which are mapped in a slot, removes down control channel and with reference to letter
On resource unit except number equal resource units.Figure 16 is transmitted based on a kind of mini-slot, i.e., data are mapped in one
It is removed in mini-slot on the resource unit except the resource units such as down control channel and reference signal.Mini-slot includes
OFDM symbol number be less than the Slot OFDM symbol numbers that include, wherein it can be 1 OFDM symbol that Mini-slot is most short
Number, longest can be that the OFDM symbol number that 1 slot includes subtracts 1, if the mini-slot in Figure 16 is accorded with comprising 4 OFDM
Number, the OFDM symbol number that mini-slot includes may be embodied in the configuration information that the network equipment is sent to terminal device.It needs
It is noted that Figure 15 and Figure 16 are intended merely to understand institute of embodiment of the present invention illustrated example, as long as can GC group connector equipment branch
It holds at least two different Transmission Time Intervals and belongs to scope of protection of the present invention, here, the present invention does not do specific restriction.
Since eMBB types of service and URLLC types of service are different, the data volume of eMBB business is big, every time when scheduling
Need the data dispatched relatively more;And the data volume of URLLC is few, needs the data dispatched also fewer when scheduling every time.Therefore,
EMBB business and URLLC business can correspond to the Transmission Time Interval of different time length respectively.For not only supporting eMBB business but also
Support the terminal device of URLLC business, the network equipment that can configure the downlink control of the corresponding Transmission Time Interval of detection eMBB business
Channel resource set processed can also configure the down control channel resources set of the corresponding Transmission Time Interval of detection URLLC business.
Terminal device needs examine down control channel according to the down control channel resources set of different Transmission Time Intervals
It surveys, the complexity that down control channel detects is made to increase.
An embodiment of the present invention provides a kind of detection method, terminal device receives the configuration information that the network equipment is sent, institute
It includes at least two Transmission Time Intervals to state configuration information, wherein each Transmission Time Interval corresponds at least one business, described
Terminal device examines down control channel according to Transmission Time Interval minimum at least two Transmission Time Interval
It surveys, after successfully detecting Downlink Control Information, the instruction information of Transmission Time Interval type is obtained, according to the transmission time
The resource quantity that the data of the instruction information acquisition of interval type Downlink Control Information scheduling occupy.
Illustratively, the type of the instruction information instruction Transmission Time Interval of the Transmission Time Interval type and/or every
The OFDM symbol number that kind Transmission Time Interval includes, data are mapped in the OFDM symbol that Transmission Time Interval includes and remove downlink control
On resource unit other than channel resource set and reference signal processed.
Illustratively, after terminal device successfully detects Downlink Control Information, when can obtain transmission by correspondence
Between be spaced, the correspondence be Transmission Time Interval and the descending control information format of corresponding scheduled transmission time interval
Correspondence.
Illustratively, after terminal device successfully detects Downlink Control Information, can by Transmission Time Interval with it is wireless
The correspondence of Network Temporary Identifier (radio network temporary identifier, RNTI) obtains between transmission time
Every.
Illustratively, after terminal device successfully detects Downlink Control Information, down control channel resources collection can be passed through
It closes and obtains Transmission Time Interval with the correspondence of Transmission Time Interval.
Illustratively, it after terminal device successfully detects Downlink Control Information, can be searched for by down control channel empty
Between with the correspondence of Transmission Time Interval obtain Transmission Time Interval.
Illustratively, after terminal device successfully detects Downlink Control Information, can by downlink control channel format with
The correspondence of Transmission Time Interval, for example, downlink control channel format can be the polymerization grade used.
One possible realization method, due to Transmission Time Interval difference, the format of corresponding Downlink Control Information is different,
When terminal device detects Downlink Control Information, the format of the Downlink Control Information is also just obtained, therefore be implicitly aware of biography
Defeated time interval, and then the resource quantity that the data for obtaining down control channel scheduling occupy.
For example, terminal device supports two kinds of Transmission Time Intervals, it is C and D respectively, wherein C is more than D.Due to different biographies
The format of the corresponding Downlink Control Information of defeated time interval is different, therefore, when Transmission Time Interval is C, when scheduled transmission
Between be spaced data when the descending control information format that uses be A;When Transmission Time Interval is D, between the scheduled transmission time
Every data when the descending control information format that uses be B;When terminal device detects downlink in down control channel resources
It is descending control information format B to control information, and the terminal device obtains the downlink control letter for carrying the Downlink Control Information
The corresponding Transmission Time Interval of data scheduled in road is D, then data be mapped in D except down control channel resources set with
And on other resource units other than reference signal.If the Downlink Control Information detected is descending control information format A,
The terminal device obtains the corresponding transmission time of data scheduled in the down control channel for carrying the Downlink Control Information
Between be divided into C, then data are mapped in C other resource units in addition to down control channel resources set and reference signal
On.
Specifically, as shown in the situation one in Figure 17-a1, terminal device supports two kinds of Transmission Time Intervals, such as distinguishes
It is slot and mini-slot, the format of the corresponding Downlink Control Information of different Transmission Time Intervals is different, for example, when transmission
Between between when being divided into slot, the descending control information format that whens data of scheduled transmission time interval uses is A;Between transmission time
When being divided into mini-slot, the descending control information format that whens data of scheduled transmission time interval uses is B, and OS1 is
The down control channel resources set of mini-slot, terminal device carry out down control channel resources set on symbol OS1
Detection, if the Downlink Control Information detected is descending control information format A, the terminal device obtains the downlink control
The corresponding Transmission Time Interval of data scheduled in information processed is slot, then data are mapped in slot except down control channel provides
On other resource units other than source set and reference signal, i.e., the divided-by symbol OS1 in 7 OFDM symbols that slot includes
With other resource units other than reference signal;If the Downlink Control Information detected is descending control information format B, institute
It is mini-slot to state the corresponding Transmission Time Interval of data that terminal device obtains scheduled in the Downlink Control Information, then counts
According to being mapped in mini-slot on other resource units in addition to down control channel resources set and reference signal, i.e.,
Other resource units in 2 OFDM symbols that mini-slot includes other than divided-by symbol OS1 and reference signal
Specifically, as shown in the situation two in Figure 17-a1, based on the description of the situation one in 17-a1, OS1 is mini-
The down control channel resources set of slot, terminal device are detected down control channel on symbol OS1, if detection
The Downlink Control Information gone out is descending control information format A, then the terminal device obtains scheduled in the Downlink Control Information
The corresponding Transmission Time Interval of data be slot, then data, which are mapped in slot, removes down control channel resources set and ginseng
Examine on other resource units other than signal, i.e., in 7 OFDM symbols that slot includes divided-by symbol OS1 and reference signal with
Other outer resource units;If the Downlink Control Information detected is descending control information format B, the terminal device obtains
It is mini-slot to take the corresponding Transmission Time Interval of data scheduled in the Downlink Control Information, then data are mapped in mini-
On other resource units in slot in addition to down control channel resources set and reference signal, i.e., in mini-slot packets
Other resource units in 2 OFDM symbols contained other than divided-by symbol OS1 and reference signal.
Specifically, as shown in Figure 17-a2, terminal device detects that the data scheduled in Downlink Control Information correspond in OS3
Transmission Time Interval be slot, then data are mapped in slot in addition to down control channel resources set and reference signal
Other resource units on, i.e., the data on 4 symbols in slot after OS3 or scheduled in the Downlink Control Information
Corresponding Transmission Time Interval is mini-slot, then data be mapped in mini-slot except down control channel resources set with
And on other resource units other than reference signal, i.e., 1 symbol in mini-slot after OS3.
Illustratively, the quantity scheduled in the Downlink Control Information can be carried on physical down data channel
On (physical downlink shared channel, PDSCH) or physical uplink data channel (physical uplink
Shared channel, PUSCH) on.
In another possible realization method, after the successful inspection of terminal device then goes out Downlink Control Information, by described
The instruction information that Downlink Control Information includes obtains Transmission Time Interval type.For example, the instruction information can be a ratio
Spy, such as when the bit is 1, corresponding Transmission Time Interval is M, and when bit is 0, corresponding Transmission Time Interval is N,
Wherein N and M is different Transmission Time Interval.
It should be strongly noted that instruction information instruction 0 or 1 is only institute's illustrated example of the present invention, instruction information can be with
It accords with for other identifier, does not repeat one by one herein.
An embodiment of the present invention provides a kind of network equipment, which, which has, realizes above-mentioned detection method net in practice
The function of network equipment behavior.The function can also execute corresponding software realization by hardware realization by hardware.Institute
It includes one or more modules corresponding with above-mentioned function to state hardware or software.
In a possible design, the structure of the network equipment includes processor and transmitter, the processor by with
It is set to and the network equipment is supported to execute corresponding function in above-mentioned detection method.The transmitter is for supporting the network equipment and terminal
Communication between equipment sends information involved in above-mentioned detection method or instruction to terminal device.
An embodiment of the present invention provides a kind of terminal device, which, which has, realizes in above-mentioned detection method design eventually
The function of end equipment behavior.The function can also execute corresponding software realization by hardware realization by hardware.Institute
It includes one or more modules corresponding with above-mentioned function to state hardware or software.The module can be software and/or hardware.
In a possible design, the structure of terminal device includes receiver and processor, the receiver by with
It is set to and terminal device is supported to receive the configuration information that the above-mentioned network equipment is sent.The processor is for supporting terminal device to execute
Corresponding function in above-mentioned detection method.
It is illustrative that terminal device supports two kinds of Transmission Time Intervals as shown in figure 18, for example, be respectively slot and
mini-slot.After detecting Downlink Control Information, the basic Transmission Time Interval of Downlink Control Information designation date is obtained
(such as to eMBB business, basic Transmission Time Interval is slot, to URLLC business, basic Transmission Time Interval is mini-
slot).When business datum amount is bigger, the data for using Downlink Control Information to dispatch are needed more than basic Transmission Time Interval
It is long, therefore, the polymerization of multiple basic Transmission Time Intervals can be included in Downlink Control Information, that is, by Downlink Control Information
Dispatch several basic Transmission Time Intervals.But when the Transmission Time Interval of polymerization dispatches data, when there is no control signaling
When being transmitted in the down channel resources set in the Transmission Time Interval of polymerization, under causing in the Transmission Time Interval of polymerization
The wasting of resources in row control channel resource collection.
To solve the above-mentioned problems, an embodiment of the present invention provides a kind of indicating means of Downlink Control Information, including:
Include instruction information in Downlink Control Information, is used to indicate the downlink control in the Transmission Time Interval of polymerization
Whether channel resource set is for having sent data.
Illustratively, when the instruction information is bit 1, the down control channel in the Transmission Time Interval of polymerization is indicated
Resource collection is for having sent data;When it is 0 that the instruction information, which is bit, the downlink in the Transmission Time Interval of polymerization is indicated
Control channel resource collection is not used in transmission data, down control channel money of the terminal device in the Transmission Time Interval of polymerization
Down control channel is still detected in the set of source.
For example, as shown in figure 19, terminal device is closed in the down control channel resources collection of slotn detects downlink control
Information indicates the downlink control in the Transmission Time Interval of polymerization when it is 0 that the instruction information of the Downlink Control Information, which is bit,
Channel resource set is not used in transmission data, i.e. the symbol that number is 0 and 1 in each slot in Figure 19 is not used in transmission number
According to for detecting down control channel.In another example as shown in figure 20, when the instruction information of the Downlink Control Information is bit 1
When, indicate that the down control channel resources set in the Transmission Time Interval of polymerization is used for transmission data, if being 2 in number
The instruction information is obtained on symbol, then the symbol transmission data for being 3,4,5 and 6 with number.
When Downlink Control Information includes instruction information, which is used to indicate in the Transmission Time Interval of polymerization
Down control channel resources set whether for having sent data, to avoid the resource in down control channel resources set
Waste, meanwhile, after terminal obtains the instruction information, if the downlink control in the Transmission Time Interval of instruction information instruction polymerization
Channel resource set processed is for having sent data, then terminal device need not be controlled in the downlink in the Transmission Time Interval of polymerization
Detection down control channel is attempted in channel resource set, to save power consumption.
It should be strongly noted that instruction information instruction 0 or 1 is only institute's illustrated example of the present invention, instruction information can be with
It accords with for other identifier, does not repeat one by one herein.
Include the indicating means for indicating information, transmission time of the terminal device in polymerization by detecting Downlink Control Information
Down control channel resources set in interval still will detect down control channel, so as to quickly receive under the network equipment
The down control channel of hair saves time delay, because detection down control channel need not again be removed after data are all transmitted.
An embodiment of the present invention provides a kind of network equipment, which, which has, realizes above-mentioned indicating means net in practice
The function of network equipment behavior.The function can also execute corresponding software realization by hardware realization by hardware.Institute
It includes one or more modules corresponding with above-mentioned function to state hardware or software.
In a possible design, the structure of the network equipment includes processor and transmitter, the processor by with
It is set to and the network equipment is supported to execute corresponding function in above-mentioned indicating means.The transmitter is for supporting the network equipment and terminal
Communication between equipment sends information involved in above-mentioned indicating means or instruction to terminal device.
An embodiment of the present invention provides a kind of terminal device, which, which has, realizes in above-mentioned indicating means design eventually
The function of end equipment behavior.The function can also execute corresponding software realization by hardware realization by hardware.Institute
It includes one or more modules corresponding with above-mentioned function to state hardware or software.The module can be software and/or hardware.
In a possible design, the structure of terminal device includes receiver and processor, the receiver by with
It is set to and terminal device is supported to receive the configuration information that the above-mentioned network equipment is sent.The processor is for supporting terminal device to execute
The corresponding function of indicating means.
Processor for executing the above-mentioned network equipment of the present invention or terminal device can be central processing unit (CPU), lead to
With processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), field programmable gate array (FPGA) or its
His programmable logic device, transistor logic, hardware component or its arbitrary combine.It is may be implemented or executed in conjunction with this
Various illustrative logic blocks, module and circuit described in disclosure of the invention content.The processor can also be to realize meter
The combination of function is calculated, such as is combined comprising one or more microprocessors, the combination etc. of DSP and microprocessor.
The step of method in conjunction with described in the disclosure of invention or algorithm, can be realized in a manner of hardware, also may be used
It is realized in a manner of being to execute software instruction by processor.Software instruction can be made of corresponding software module, software mould
Block can be stored on RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk,
In the storage medium of mobile hard disk, CD-ROM or any other form well known in the art.A kind of illustrative storage medium
It is coupled to processor, to enable a processor to from the read information, and information can be written to the storage medium.When
So, storage medium can also be the component part of processor.Pocessor and storage media can be located in ASIC.In addition, should
ASIC can be located in user equipment.Certainly, pocessor and storage media can also be used as discrete assembly and be present in user equipment
In.
Those skilled in the art are it will be appreciated that in said one or multiple examples, work(described in the invention
It can be realized with hardware, software, firmware or their arbitrary combination.It when implemented in software, can be by these functions
Storage in computer-readable medium or as on computer-readable medium one or more instructions or code be transmitted.
Computer-readable medium includes computer storage media and communication media, and wherein communication media includes convenient for from a place to another
Any medium of one place transmission computer program.It is any that storage medium can be that general or specialized computer can access
Usable medium.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all any modification, equivalent substitution, improvement and etc. on the basis of technical scheme of the present invention, done should all
Including within protection scope of the present invention.
Claims (24)
1. the determination method of a subcarrier spacings type, which is characterized in that including:
Terminal device receives the first configuration information that the network equipment is sent, and first configuration information includes at least one downlink control
Channel resource set processed, the down control channel resources set is for sending down control channel, the down control channel
Information is controlled for bearing downlink, wherein at least one down control channel resources set and at least two sub- intercarriers
It is associated every type;Alternatively, first configuration information includes at least two down control channel resources set, each downlink control
Channel resource set processed is associated at least one subcarrier spacing type;
The terminal device detects the down control channel, obtains the down control channel money where the down control channel
Gather associated first subcarrier spacing type in source.
2. according to the method described in claim 1, it is characterized in that, first configuration information further includes referring in period reference time
Show information, is used to indicate the terminal device and the down control channel is carried out at least once within period reference time
Detection.
3. according to the method described in claim 1, it is characterized in that, first configuration information further includes reference subcarrier interval
Type indication information is used to indicate the terminal device within the reference subcarrier interval type corresponding time, to described
Down control channel is detected at least once.
4. according to the method described in claim 1, it is characterized in that, the method further includes:
The terminal device receives the second configuration information that the network equipment is sent, and second configuration information further includes between subcarrier
Every the instruction information of the entry-into-force time length of type, the terminal device is used to indicate in the entry-into-force time length to described
Down control channel is detected at least once.
5. wanting the method according to any power of Claims 1-4, which is characterized in that the method further includes:
The terminal device determines that receiving the second subcarrier spacing type and the terminal device used in downlink data passes through
It is identical to detect the first subcarrier spacing type used in the down control channel in the down control channel resources set, institute
It states terminal device and uses the second subcarrier spacing type reception downlink data;And/or
The terminal device determines that the terminal device sends the second son used in upstream data and/or ascending control information and carries
Wave spacing type and the terminal device are made by detecting the down control channel in the down control channel resources set
First subcarrier spacing type is identical, and the terminal device sends upstream data using the second subcarrier spacing type
And/or ascending control information.
6. according to the method described in Claims 1-4 any claim, which is characterized in that the method further includes:
The terminal device obtains the second subcarrier spacing that the Downlink Control Information includes by the down control channel
Type indication information;
The terminal device is connect using the second subcarrier spacing type of the second subcarrier spacing type indication information instruction
It receives downlink data and/or sends upstream data and/or ascending control information.
7. the determination method of a subcarrier spacings type, which is characterized in that including:
The network equipment determines that the first configuration information, first configuration information include at least one down control channel resources collection
It closes, at least one down control channel resources set is associated at least two subcarrier spacing types;Alternatively, described
One configuration information include at least two down control channel resources set, each down control channel resources set with it is at least one
Subcarrier spacing type is associated;
Wherein, the down control channel resources set is used to send down control channel, the downlink control to terminal device
Channel controls information for bearing downlink;
The network equipment sends first configuration information to the terminal device.
8. the method according to the description of claim 7 is characterized in that the first configuration information that the network equipment determines further includes
Period reference time indicates information, is used to indicate the terminal device and is controlled the downlink within period reference time and is believed
It is detected at least once in road.
9. the method according to the description of claim 7 is characterized in that the first configuration information that the network equipment determines further includes
Reference subcarrier interval type indicates information, and it is corresponding in the reference subcarrier interval type to be used to indicate the terminal device
In time, the down control channel is detected at least once.
10. the method according to the description of claim 7 is characterized in that the method further includes:
The network equipment sends the second configuration information to the terminal device, and second configuration information further includes between subcarrier
Every the instruction information of the entry-into-force time length of type, the terminal device is used to indicate within the entry-into-force time to the downlink
Control channel is detected at least once.
11. wanting the method according to any power of claim 7 to 10, which is characterized in that the method further includes:
The network equipment receives upstream data and/or uplink of the terminal device using the transmission of the second subcarrier spacing type
Information is controlled, the second carrier wave interval type sends the first son used in the down control channel with the network equipment
Carrier wave interval type is identical;And/or
The network equipment sends downlink data using the second subcarrier spacing type to the terminal device, and second son carries
It is identical that wave spacing type sends the first subcarrier spacing type used in the down control channel with the network equipment
's.
12. according to the method described in claim 10, it is characterized in that, the Downlink Control Information in second configuration information also
Including the second subcarrier spacing type indication information, the second subcarrier spacing type indication information is used to indicate the network
Equipment sends downlink data and/or the reception terminal device sends upstream data and/or ascending control information uses second
Subcarrier spacing type.
13. the determining device of a subcarrier spacings type, which is characterized in that including:
Receiving module, the first configuration information for receiving network equipment transmission, first configuration information includes at least one
Down control channel resources set, at least one down control channel resources set and at least two subcarrier spacing types
It is associated;Alternatively, first configuration information includes at least two down control channel resources set, each down control channel
Resource collection is associated at least one subcarrier spacing type, wherein the down control channel resources set is for sending
Down control channel, the down control channel control information for bearing downlink;
Processing module obtains the down control channel where the down control channel for detecting the down control channel
The associated first subcarrier spacing type of resource collection.
14. device according to claim 13, which is characterized in that first configuration information further includes period reference time
It indicates information, is used to indicate the terminal device and at least one is carried out to the down control channel within period reference time
Secondary detection.
15. device according to claim 13, which is characterized in that first configuration information further includes between reference subcarrier
Every type indication information, the terminal device is used to indicate within the reference subcarrier interval type corresponding time, to institute
Down control channel is stated to be detected at least once.
16. device according to claim 13, which is characterized in that the receiving module is additionally operable to:
The second configuration information that the network equipment is sent is received, second configuration information further includes coming into force for subcarrier spacing type
The instruction information of time span is used to indicate the terminal device in the entry-into-force time length to the down control channel
It is detected at least once.
17. wanting the device according to any power of claim 13 to 16, which is characterized in that the receiving module is additionally operable to true
Surely the second subcarrier spacing type and the terminal device used in downlink data are received by detecting the downlink control letter
When first subcarrier spacing type used in down control channel in road resource collection is identical, the second subcarrier spacing is used
Type reception downlink data;
Described device further includes sending module, for sending used in upstream data and/or ascending control information the determining
Two subcarrier spacing types and by detecting used in the down control channel in the down control channel resources set the
When one subcarrier spacing type is identical, upstream data and/or ascending control information are sent using the second subcarrier spacing type.
18. according to the device described in claim 13 to 17 any claim, which is characterized in that the determining module is additionally operable to
The second subcarrier spacing type indication information that the Downlink Control Information includes is obtained by the down control channel;
The receiving module is additionally operable to, the second subcarrier spacing indicated using the second subcarrier spacing type indication information
Type reception downlink data;And/or
The sending module is additionally operable to, the second subcarrier spacing indicated using the second subcarrier spacing type indication information
Type sends upstream data and/or ascending control information.
19. the determining device of a subcarrier spacings type, which is characterized in that including:
Processing module, for determining that the first configuration information, first configuration information include at least one down control channel money
Source is gathered, and at least one down control channel resources set is associated at least two subcarrier spacing types;Alternatively, institute
State the first configuration information include at least two down control channel resources set, each down control channel resources set at least
One subcarrier spacing type is associated, wherein the down control channel resources set is used to send downlink to terminal device
Control channel, the down control channel control information for bearing downlink;
Sending module, for sending first configuration information that the processing module determines to the terminal device.
20. device according to claim 19, which is characterized in that first configuration information further includes period reference time
It indicates information, is used to indicate the terminal device and at least one is carried out to the down control channel within period reference time
Secondary detection.
21. device according to claim 19, which is characterized in that first configuration information further includes between reference subcarrier
Every type indication information, the terminal device is used to indicate within the reference subcarrier interval type corresponding time, to institute
Down control channel is stated to be detected at least once.
22. according to the method for claim 19, which is characterized in that the sending module is additionally operable to:It is sent to terminal device
Second configuration information, second configuration information further include the instruction information of the entry-into-force time length of subcarrier spacing type, are used
Down control channel is detected at least once within the entry-into-force time in the instruction terminal device.
23. wanting the device according to any power of claim 19 to 22, which is characterized in that described device further includes:
Receiving module, for receive the terminal device using the second subcarrier spacing type send upstream data and/or
Row control information, the used in the down control channel that the second carrier wave interval type and the sending module are sent
One subcarrier spacing type is identical;And/or
The sending module is additionally operable to, and downlink data is sent to the terminal device using the second subcarrier spacing type, described
First subcarrier spacing used in the down control channel that second subcarrier spacing type is sent with the sending module
Type is identical.
24. device according to claim 22, which is characterized in that second configuration information that the sending module is sent
In Downlink Control Information further include the second subcarrier spacing type indication information, the second subcarrier spacing type instruction letter
Breath, which is used to indicate to send downlink data and/or receive the terminal device transmission upstream data and/or ascending control information, to be made
With the second subcarrier spacing type.
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CN201710301886.7A CN108810991B (en) | 2017-05-02 | 2017-05-02 | Determination method and device for subcarrier spacing type |
PCT/CN2018/085252 WO2018202027A1 (en) | 2017-05-02 | 2018-05-02 | Method and apparatus for determining subcarrier spacing type |
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WO2021042995A1 (en) * | 2019-09-06 | 2021-03-11 | 北京紫光展锐通信技术有限公司 | Methods and devices for sending and acquiring transmission bandwidth of control channel, and storage medium |
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US11277854B2 (en) | 2019-01-22 | 2022-03-15 | T-Mobile Usa, Inc. | Systems and methods to enhance spectrum efficiency and to reduce latency by using dynamic guard time selection in wireless systems |
CN113438721B (en) * | 2021-06-30 | 2022-07-19 | 展讯通信(上海)有限公司 | Method and device for detecting subcarrier interval, readable storage medium and terminal |
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CN106550459A (en) * | 2015-09-18 | 2017-03-29 | 中兴通讯股份有限公司 | A kind of descending control method and device |
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CN106550459A (en) * | 2015-09-18 | 2017-03-29 | 中兴通讯股份有限公司 | A kind of descending control method and device |
US20170094547A1 (en) * | 2015-09-24 | 2017-03-30 | Lg Electronics Inc. | Method of transmitting channel state information and apparatus therefor |
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WO2021042995A1 (en) * | 2019-09-06 | 2021-03-11 | 北京紫光展锐通信技术有限公司 | Methods and devices for sending and acquiring transmission bandwidth of control channel, and storage medium |
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CN108810991B (en) | 2021-12-28 |
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