CN109688623A - Wireless frame structure and its configuration method and configuration device and physical channel structure - Google Patents
Wireless frame structure and its configuration method and configuration device and physical channel structure Download PDFInfo
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- CN109688623A CN109688623A CN201710969079.2A CN201710969079A CN109688623A CN 109688623 A CN109688623 A CN 109688623A CN 201710969079 A CN201710969079 A CN 201710969079A CN 109688623 A CN109688623 A CN 109688623A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Abstract
The present disclosure discloses a kind of wireless frame structure and its configuration methods and configuration device and physical channel structure, are related to mobile communication field.Wireless frame structure therein includes: first kind frame structure and Second Type frame structure, the first kind frame structure is identical with the subframe lengths of the Second Type frame structure and subframe in include Transmission Time Interval TTI quantity and TTI include symbol quantity at least one of it is different.In addition, the disclosure also proposes a kind of allocation plan of the wireless frame structure of system realized based on terminal auxiliary.The wireless frame structure that the disclosure provides includes different types of frame structure, these different types of frame structures have different Transmission Time Interval information, can satisfy diversified business transmission demand.Based on the wireless frame structure configuration of terminal auxiliary realization system, the wireless frame structure of system can be made to configure more reasonable.
Description
Technical field
This disclosure relates to mobile communication field, in particular to a kind of wireless frame structure and its configuration method and configuration device and
Physical channel structure.
Background technique
With the development of mobile Internet and Internet of Things, various novel mobile data services are continued to bring out, different business
To operation quality requirement, there are larger differences.For example, the business such as real time remote control are high to communication delay requirement, but data volume
It is relatively small, and the business such as online HD video have certain tolerance to time delay, but system is required to have compared with high-throughput.It is more
The adaptability that the communication requirement of sample transmits mobile communications network proposes huge challenge.
Summary of the invention
Inventors have found that mobile communication system frame structure has larger impact, certain low time delay business needs to transmission performance
The shorter subframe designs of Transmission Time Interval (Transmission Time Interval, TTI), but the too short subframe of TTI is again
It is likely to result in the segmentation of big data packet business, influence continuously transmits performance.However, existing frame structure design is relatively fixed,
It is difficult to meet diversified business transmission demand.
The embodiment of the present disclosure technical problem to be solved is: meeting diversified business transmission demand.
According to one aspect of the disclosure, a kind of wireless frame structure is proposed, comprising: first kind frame structure and Second Type
Frame structure, the first kind frame structure is identical with the subframe lengths of the Second Type frame structure and subframe in include biography
At least one in the symbol quantity that defeated time interval TTI quantity and TTI include is different.
Optionally, the average length of the included TTI of first kind frame structure is wrapped with the Second Type frame structure
Average length containing TTI is different.
Optionally, it is less than the Second Type frame structure in the average length of the included TTI of first kind frame structure
In the case where the average length of included TTI, the first kind frame structure is located at system bandwidth center, second class
Type frame structure is distributed in the two sides of the first kind frame structure.
Optionally, the first kind frame structure includes a variety of first kind sub-frame modes, different first kind subframe moulds
At least one in the symbol quantity that the TTI quantity and TTI of formula include is different；The Second Type frame structure includes a variety of second
Type subframe mode, in the symbol quantity that the TTI quantity and TTI of different Second Type sub-frame modes include at least one of no
Together.
Optionally, the ratio of the first kind frame structure or the occupied system bandwidth of Second Type frame structure is
Configurable.
Optionally, the wireless frame structure is by frame, subframe, time slot, symbol, cyclic prefix and the frequency domain in time domain
Subcarrier composition, frequency domain are divided into multiple subbands, and the first kind frame structure and the Second Type frame structure are located at
Different subbands.
According to another aspect of the present disclosure, a kind of physical channel structure based on wireless frame structure above-mentioned is proposed, including
Synchronization signal and Physical Broadcast Channel are arranged at system bandwidth centre frequency.
Optionally, physical channel structure further includes first kind physical control channel and Second Type physical control channel,
Wherein, the first kind physical control channel is located at the subband where the first kind frame structure, the Second Type object
Reason control channel is located at the subband where the Second Type frame structure.
According to the another further aspect of the disclosure, a kind of configuration method of wireless frame structure is proposed, comprising: to the frame of terminal feedback
Structure choice information is counted, and the frame structure selects information for sub-frame mode type or frame structure type；According to statistics
Information determines the frame structure configuration information of next stage system.
Optionally, according to the ratio of the first product and the second product, first kind frame structure in next stage system is determined
With the ratio of the occupied system bandwidth of Second Type frame structure, wherein first product is selection first kind frame structure
Terminal quantity and historical data amount product, second product be select Second Type frame structure terminal quantity and history
The product of data volume.
Optionally, information is selected according to the terminal of sub-frame mode, determines the adoptable sub-frame mode of next stage system；Or
Person selects the wireless frame structure allocation plan of information and neighbor cell system according to the terminal of sub-frame mode, determines next stage
The adoptable sub-frame mode of system.
According to the another aspect of the disclosure, a kind of configuration device of wireless frame structure is proposed, comprising: statistical module is used for
The frame structure selection information of terminal feedback is counted, the frame structure selects information for sub-frame mode type or frame structure
Type；Determining module, for determining the frame structure configuration information of next stage system according to statistical information.
Optionally, the determining module includes at least one of bandwidth ratio-dependent unit and sub-frame mode determination unit
Unit；
The bandwidth ratio-dependent unit determines that next stage is for the ratio according to the first product and the second product
The ratio of first kind frame structure and the occupied system bandwidth of Second Type frame structure in system, wherein first product is
The terminal quantity of first kind frame structure and the product of historical data amount are selected, second product is selection Second Type frame knot
The terminal quantity of structure and the product of historical data amount；
The sub-frame mode determination unit determines next stage system for selecting information according to the terminal of sub-frame mode
Adoptable sub-frame mode；Alternatively, for selecting the radio frames knot of information and neighbor cell system according to the terminal of sub-frame mode
Structure allocation plan determines the adoptable sub-frame mode of next stage system.
According to the another further aspect of the disclosure, a kind of configuration device of wireless frame structure is proposed, comprising: memory；And coupling
It is connected to the processor of the memory, the processor is configured to the instruction based on storage in the memory, before execution
The configuration method for the wireless frame structure stated.
According to another aspect of the present disclosure, it proposes a kind of computer readable storage medium, is stored thereon with computer program,
The program realizes the step of configuration method of wireless frame structure above-mentioned when being executed by processor.
The wireless frame structure that the disclosure provides includes different types of frame structure, these different types of frame structures have not
Same Transmission Time Interval information, can satisfy diversified business transmission demand.In addition, the disclosure also provides the wireless frame structure
Corresponding physical channel structure and configuration method.
Detailed description of the invention
Attached drawing needed in embodiment or description of Related Art will be briefly described below.According to following ginseng
According to the detailed description of attached drawing, the disclosure can be more clearly understood,
It should be evident that the accompanying drawings in the following description is only some embodiments of the present disclosure, skill common for this field
For art personnel, without any creative labor, it is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the schematic diagram of disclosure wireless frame structure one embodiment.
Fig. 2 shows some exemplary schematic diagrames of the different types of sub-frame mode of the disclosure.
Fig. 3 shows the schematic diagram of one embodiment of disclosure physical channel structure.
Fig. 4 shows configuration method one embodiment of the wireless frame structure of system of the disclosure based on terminal auxiliary realization
Flow diagram.
Fig. 5 shows the disclosure based on another embodiment of the configuration method of wireless frame structure of system of terminal auxiliary realization
Flow diagram.
Fig. 6 shows configuration device one embodiment structural schematic diagram of disclosure wireless frame structure.
Fig. 7 shows the structural schematic diagram of another embodiment of the configuration device of disclosure wireless frame structure.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description.
In the disclosure, " first " and " second " is used to distinguish different objects, is not used to indicate size or timing etc.
Meaning.For example, first kind frame structure and Second Type frame structure indicate two kinds of frame structure.
The disclosure proposes a kind of wireless frame structure, which includes different type frame structure, for example, first
Type frame structure and Second Type frame structure, first kind frame structure is identical with the subframe lengths of Second Type frame structure, every frame
In the sub-frame number TTI quantity that can include in identical and subframe and TTI include symbol quantity at least one of no
Together.The average length of the included TTI of first kind frame structure is different from the average length of the included TTI of Second Type frame structure,
Assuming that the average length of the included TTI of first kind frame structure is less than the average length of the included TTI of Second Type frame structure, claim
First kind frame structure is short TTI frame structure, and Second Type frame structure is referred to as long TTI frame structure.Wireless frame structure is by time domain
Frame, subframe, time slot, symbol, the subcarrier composition on cyclic prefix and frequency domain.One frame includes several subframes, every height
Frame is divided into several time slots, and each time slot is made of several symbols, includes cyclic prefix in symbol.For example, taking 10ms in time domain
Frame, each frame is divided into the subframe of 10 1ms, and each subframe is divided into the time slot of 2 0.5ms again, each time slot by 6 or
7 OFDM symbol compositions.Multiple subcarriers are divided on frequency domain, each subcarrier bandwidth is, for example, 15KHz.Frequency domain is divided into more
A subband, first kind frame structure and Second Type frame structure are located at different subbands.For example, as shown in Figure 1, short TTI
Frame structure is located at the subband of system bandwidth center, and long TTI frame structure is distributed in the two sides of first kind frame structure.Wherein,
Subband where short TTI frame structure is known as short TTI subband, and the subband where long TTI frame structure is known as long TTI subband.Short TTI frame
Structure and the basic unit of long TTI frame structure for example symbol, cyclic prefix, subcarrier, time slot size can be consistent.The first kind
The ratio of frame structure or the occupied system bandwidth of Second Type frame structure is configurable, and rear extended meeting provides configuration example.
First kind frame structure may include a variety of first kind sub-frame modes, the TTI of different first kind sub-frame modes
At least one in the symbol quantity that quantity and TTI include is different.Second Type frame structure may include a variety of Second Type
Frame pattern, in the symbol quantity that the TTI quantity and TTI of different Second Type sub-frame modes include at least one of it is different.In Fig. 2
Illustratively show two kinds of first kind sub-frame modes (that is, short TTI sub-frame mode 1 and short TTI sub-frame mode 2) and two kinds the
Two type subframe modes (that is, long TTI sub-frame mode 1 and long TTI sub-frame mode 2).By taking short TTI sub-frame mode 1 as an example comprising
4 TTI, each TTI length is successively 4,3,4,3, TTI average length be 3.5.By taking long TTI sub-frame mode 2 as an example comprising 3
TTI, each TTI length is successively 5,4,5, TTI average length be 4.7.Obviously, these sub-frame modes are only some examples, may be used also
To there is other sub-frame modes.
The disclosure also proposes the physical channel structure of aforementioned wireless frame structure.Physical channel structure is believed for example including synchronous
Number, Physical Broadcast Channel, physical control channel, physical data channel etc..Each channel is described separately below.
1, synchronization signal
Synchronization signal generally includes primary synchronization signal and secondary synchronization signal.Wherein, primary synchronization signal can for example use
Zadoff-Chu (ZC) sequence, secondary synchronization signal can for example use M sequence.
In the time domain, primary synchronization signal and secondary synchronization signal are located at some symbol of the radio frames of system agreement.For example, such as
Shown in Fig. 3, primary synchronization signal is located at last of the 1st time slot (showing) of each radio frames and the 11st time slot (not shown)
A symbol, secondary synchronization signal are located at before primary synchronization signal and respectively occupy a symbol.Terminal by detection primary synchronization signal with
Secondary synchronization signal can get boundary of time slot timing.
On frequency domain, primary synchronization signal and secondary synchronization signal are located at the frequency domain position that system bandwidth is defaulted and transmit, and guarantee eventually
It holds synchronous with system in no bandwidth allocation prior information.For example, primary synchronization signal and secondary synchronization signal are located at system
At bandwidth center frequency, in midbandwidth such as 6 transmitted within resource blocks.
2, Physical Broadcast Channel
Physical Broadcast Channel is located at system bandwidth centre frequency.For example, Physical Broadcast Channel is located at short TTI subband center
Position.Physical Broadcast Channel provides frame structure configuration information.Other letters that frame structure configuration information and Physical Broadcast Channel provide
After ceasing encoded together and rate-matched, in the running time-frequency resource location transmission that system is specified.For example, as shown in figure 3, physical broadcast
Channel information is divided into 4 equal-sized independent self-demarking code units, and 4 independent self-demarking code units are located at system band on frequency domain
On the resource block of 6, wide center, it is located at continuous 4 symbols in radio frames in the time domain, such as the 8th~11 symbol.
3, physical control channel
Physical control channel includes first kind physical control channel and Second Type physical control channel, wherein first
Type physical control channel is located at the subband where first kind frame structure, and Second Type physical control channel is located at Second Type
Subband where frame structure.For example, as shown in figure 3, physical control channel is divided into long physics control according to the sub-frame mode supported
Channel processed and short physical control channel, are located at long TTI subband and short TTI subband, are each responsible for long TTI subband and short TTI
The physical resource of subband controls, such as Time And Frequency resource and terminal power control that instruction terminal downstream transmission uses
System adjustment order etc..
As shown in figure 3, short physical control channel symbol numbers are variable, 1~2 symbol is occupied according to different sub-frame modes.
Each subframe in short TTI subband may include 1 to multiple short physical control channels, and short physical control channel number can be referred to by system
Show.
As shown in figure 3, long physical control channel for example occupies first three symbol of each subframe in long TTI subband.
4, physical data channel
Physical data channel is located at other resource blocks in addition to above-mentioned channel, for example, the resource in Fig. 3 shown in blank box
Block.
The disclosure also proposes a kind of configuration method of the wireless frame structure of system realized based on terminal auxiliary.Such as Fig. 4 institute
Show, this method 40 includes:
Step 410, the frame structure selection information of terminal feedback is counted.
Wherein, the frame structure selection information of terminal feedback for example can be sub-frame mode type, be also possible to frame structure class
Type.A kind of feedback compared with coarseness, terminal can feed back itself preferred first kind frame structure (short TTI frame structure) or the second class
The frame structures types such as type frame structure (long TTI frame structure).A kind of feedback of finer grain, terminal can feed back itself preferably certain
The subframes mould such as first kind sub-frame mode (short TTI sub-frame mode) or certain Second Type sub-frame mode (long TTI sub-frame mode)
Formula type.
Step 420, the frame structure configuration information of next stage system is determined according to statistical information.
Wherein, the frame structure configuration information of system includes the ratio of such as occupied system bandwidth of different type frame structure
Example, sub-frame mode etc..
As an example, according to the ratio of the first product and the second product, the first kind in next stage system is determined
The ratio of frame structure and the occupied system bandwidth of Second Type frame structure, wherein the first product is selection first kind frame knot
The terminal quantity of structure and the product of historical data amount, the second product are the terminal quantity and history number for selecting Second Type frame structure
According to the product of amount.
As an example, information is selected according to the terminal of sub-frame mode, determines the adoptable subframe of next stage system
Mode；Alternatively, the wireless frame structure allocation plan of information and neighbor cell system is selected according to the terminal of sub-frame mode, under determining
The adoptable sub-frame mode of one stage system.
For example, determining that next stage long TTI frame structure preferred disposition scheme is the most long TTI subframe mould of each terminal selection
Formula, if the ratio that the number of terminals of the long TTI sub-frame mode of selection at most accounts for the total number of terminals for selecting long TTI frame structure is more than certain door
Limit value (such as 60%) is then not provided with long TTI frame structure candidate's allocation plan, and long TTI frame structure candidate's allocation plan is otherwise arranged
For the more long TTI sub-frame mode of each terminal selection time.Determine next stage short TTI frame structure preferred disposition scheme for the choosing of each terminal
Most short TTI sub-frame modes is selected, if the number of terminals of the short TTI sub-frame mode of selection at most accounts for the end for selecting short TTI frame structure
The ratio of end sum is more than certain threshold value (such as 60%), then is not provided with short TTI frame structure candidate's allocation plan, is otherwise arranged short
TTI frame structure candidate's allocation plan is the more short TTI sub-frame mode of each terminal selection time.If system is configured without frame structure candidate
Scheme, then frame structure preferred disposition scheme is determined as the final allocation plan of next stage system frame structure by system.If system
Have frame structure candidate's allocation plan, then system receives the frame structure allocation plan of neighboring community, if candidate allocation plan with it is adjacent
Cell frame structure allocation plan is identical, then frame structure candidate's allocation plan is determined as next stage system frame structure and finally configured
Otherwise frame structure preferred disposition scheme is determined as the next stage system frame structure finally side of configuration to reduce interference by scheme
Case.
Based on the wireless frame structure configuration of terminal auxiliary realization system, the wireless frame structure of system can be made to configure more
Rationally.
The disclosure also proposes a kind of configuration method of the wireless frame structure of system realized based on terminal auxiliary.Such as Fig. 5 institute
Show, this method 50 includes:
Step 510, system completes current frame structure initial configuration, and frame structure configuration information is sent to terminal.
Wherein, frame structure configuration information can be broadcast to each terminal by Physical Broadcast Channel by system, can also be passed through
RRC (Radio Resource Control, radio resource control) peer is transferred to terminal.
A kind of example such as following table of frame structure configuration information.
Step 520, terminal determines the frame structure preference pattern of itself, and is sent to system.
Wherein, terminal can for example determine the frame structure preference pattern of itself according to information such as terminal attribute, business features.
For example, judgement frame structure preference pattern is short TTI if terminal attribute is car networking terminal or business feature is low time delay application
Mode 1.If terminal attribute is industry control sensor or business feature is ultralow time delay application, frame structure preference pattern is determined
For short TTI mode 2.If terminal attribute is mobile multi-media terminal or business feature is mobile broadband application, determine that frame structure is excellent
Lectotype is long TTI mode 1.If terminal attribute is reading meter terminal or business feature is big connection Internet of Things application, determine
Frame structure preference pattern is long TTI mode 2.
Wherein, terminal can send out frame structure preference pattern by ascending physical signal control channel as ascending control information
System is given, alternatively, frame structure preference pattern is sent to system by RRC information.
Step 530, system counts the frame structure selection information that terminal is fed back.Referring specifically to step 410.
Step 540, system determines the frame structure configuration information of next stage system according to statistical information.Referring specifically to step
420。
Step 550, updated frame structure configuration information is sent to terminal by system.
Wherein, updated frame structure configuration information can be broadcast to each terminal by Physical Broadcast Channel by system,
It can be by RRC information point-to-point transmission to terminal.
Step 560, terminal initiates access according to new frame structure configuration or data are transmitted.
Based on the wireless frame structure configuration of terminal auxiliary realization system, the wireless frame structure of system can be made to configure more
Rationally, more meet the business transmission demand of terminal side.
Fig. 6 is the structural schematic diagram of configuration device one embodiment of the wireless frame structure of the disclosure.As shown in fig. 6, dress
Setting 60 includes:
Statistical module 610, the frame structure selection information for feeding back to terminal count, and frame structure selects information for son
Frame pattern type or frame structure type；
Determining module 620, for determining the frame structure configuration information of next stage system according to statistical information.
Wherein it is determined that module 620 include in bandwidth ratio-dependent unit 621 and sub-frame mode determination unit 622 at least
One unit；
Bandwidth ratio-dependent unit 621 determines next stage system for the ratio according to the first product and the second product
The ratio of middle first kind frame structure and the occupied system bandwidth of Second Type frame structure, wherein the first product is selection
The terminal quantity of one type frame structure and the product of historical data amount, the second product are to select the number of terminals of Second Type frame structure
The product of amount and historical data amount.
Sub-frame mode determination unit 622 determines that next stage system can for selecting information according to the terminal of sub-frame mode
The sub-frame mode of use；Alternatively, for selecting the wireless frame structure of information and neighbor cell system according to the terminal of sub-frame mode
Allocation plan determines the adoptable sub-frame mode of next stage system.
Based on the wireless frame structure configuration of terminal auxiliary realization system, the wireless frame structure of system can be made to configure more
Rationally.
Fig. 7 is the structural schematic diagram of configuration device one embodiment of the wireless frame structure of the disclosure.As shown in fig. 7, dress
Setting 70 includes: memory 710 and the processor 720 for being coupled to the memory 710, and processor 720 is configured as based on storage
Instruction in memory 710 executes the network performance monitoring method in any one aforementioned embodiment.
Wherein, memory 710 is such as may include system storage, fixed non-volatile memory medium.System storage
Device is for example stored with operating system, application program, Boot loader (Boot Loader) and other programs etc..
Device 70 can also include input/output interface 730, network interface 740, memory interface 750 etc..These interfaces
It can for example be connected by bus 760 between 730,740,750 and memory 710 and processor 720.Wherein, input and output
The input-output equipment such as interface 730 is display, mouse, keyboard, touch screen provide connecting interface.Network interface 740 is various
Networked devices provide connecting interface.The external storages such as memory interface 750 is SD card, USB flash disk provide connecting interface.
The disclosure also proposes a kind of computer readable storage medium, is stored thereon with computer program, and the program is processed
The step of device realizes the configuration method of wireless frame structure above-mentioned when executing.
Those skilled in the art should be understood that embodiment of the disclosure can provide as method, system or computer journey
Sequence product.Therefore, complete hardware embodiment, complete software embodiment or combining software and hardware aspects can be used in the disclosure
The form of embodiment.Moreover, it wherein includes the calculating of computer usable program code that the disclosure, which can be used in one or more,
Machine can use the meter implemented in non-transient storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of calculation machine program product.
The disclosure is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present disclosure
Figure and/or block diagram describe.It is interpreted as to be realized by computer program instructions each in flowchart and/or the block diagram
The combination of process and/or box in process and/or box and flowchart and/or the block diagram.It can provide these computer journeys
Sequence instruct to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor with
A machine is generated, so that the instruction generation executed by computer or the processor of other programmable data processing devices is used for
Realize the dress for the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram
It sets.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is merely the preferred embodiments of the disclosure, not to limit the disclosure, all spirit in the disclosure and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the protection scope of the disclosure.
Claims (15)
1. a kind of wireless frame structure, comprising: first kind frame structure and Second Type frame structure, the first kind frame structure and
The subframe lengths of the Second Type frame structure are identical and subframe in include Transmission Time Interval TTI quantity and TTI include
At least one in symbol quantity is different.
2. wireless frame structure as described in claim 1, wherein
The average length of the included TTI of first kind frame structure is averaged with the included TTI's of Second Type frame structure
Length is different.
3. wireless frame structure as described in claim 1, wherein
It is less than the included TTI's of Second Type frame structure in the average length of the included TTI of first kind frame structure
In the case where average length, the first kind frame structure is located at system bandwidth center, the Second Type frame structure point
Cloth is in the two sides of the first kind frame structure.
4. wireless frame structure as described in claim 1, wherein
The first kind frame structure includes a variety of first kind sub-frame modes, the TTI quantity of different first kind sub-frame modes
At least one in the symbol quantity for including with TTI is different；
The Second Type frame structure includes a variety of Second Type sub-frame modes, the TTI quantity of different Second Type sub-frame modes
At least one in the symbol quantity for including with TTI is different.
5. wireless frame structure as described in claim 1, wherein
The ratio of the first kind frame structure or the occupied system bandwidth of Second Type frame structure is configurable.
6. wireless frame structure as described in claim 1, wherein the wireless frame structure by time domain frame, subframe, time slot,
Subcarrier composition on symbol, cyclic prefix and frequency domain, frequency domain are divided into multiple subbands, the first kind frame structure and institute
It states Second Type frame structure and is located at different subbands.
7. a kind of physical channel structure of wireless frame structure described in any one of claims 1-6, including synchronization signal and physics
Broadcast channel is arranged at system bandwidth centre frequency.
8. physical channel structure as claimed in claim 7 further includes first kind physical control channel and Second Type physics
Control channel, wherein the first kind physical control channel is located at the subband where the first kind frame structure, and described
Two type physical control channels are located at the subband where the Second Type frame structure.
9. a kind of configuration method of wireless frame structure described in any one of claims 1-6, comprising:
The frame structure selection information of terminal feedback is counted, the frame structure selects information for sub-frame mode type or frame
Structure type；
The frame structure configuration information of next stage system is determined according to statistical information.
10. method as claimed in claim 9, wherein
According to the ratio of the first product and the second product, first kind frame structure and Second Type frame in next stage system are determined
The ratio of the occupied system bandwidth of structure,
Wherein, first product is the terminal quantity for selecting first kind frame structure and the product of historical data amount, described the
Two products are the terminal quantity for selecting Second Type frame structure and the product of historical data amount.
11. method as claimed in claim 9, wherein
Information is selected according to the terminal of sub-frame mode, determines the adoptable sub-frame mode of next stage system；
Alternatively,
The wireless frame structure allocation plan that information and neighbor cell system are selected according to the terminal of sub-frame mode, determines next stage
The adoptable sub-frame mode of system.
12. a kind of configuration device of wireless frame structure described in any one of claims 1-6, comprising:
Statistical module, the frame structure selection information for feeding back to terminal count, and the frame structure selects information for subframe
Mode type or frame structure type；
Determining module, for determining the frame structure configuration information of next stage system according to statistical information.
13. device as claimed in claim 12, wherein the determining module includes bandwidth ratio-dependent unit and sub-frame mode
At least one unit in determination unit；
The bandwidth ratio-dependent unit determines in next stage system for the ratio according to the first product and the second product
The ratio of first kind frame structure and the occupied system bandwidth of Second Type frame structure, wherein first product is selection
The terminal quantity of first kind frame structure and the product of historical data amount, second product are selection Second Type frame structures
The product of terminal quantity and historical data amount；
The sub-frame mode determination unit determines that next stage system can adopt for selecting information according to the terminal of sub-frame mode
Sub-frame mode；Alternatively, for selecting the wireless frame structure of information and neighbor cell system to match according to the terminal of sub-frame mode
Scheme is set, determines the adoptable sub-frame mode of next stage system.
14. a kind of configuration device of wireless frame structure, comprising:
Memory；And
It is coupled to the processor of the memory, the processor is configured to the instruction based on storage in the memory,
Perform claim requires the configuration method of wireless frame structure described in any one of 9-11.
15. a kind of computer readable storage medium, is stored thereon with computer program, power is realized when which is executed by processor
Benefit requires the step of configuration method of wireless frame structure described in any one of 9-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710969079.2A CN109688623B (en) | 2017-10-18 | 2017-10-18 | Radio frame structure, configuration method and configuration device thereof and physical channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710969079.2A CN109688623B (en) | 2017-10-18 | 2017-10-18 | Radio frame structure, configuration method and configuration device thereof and physical channel structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109688623A true CN109688623A (en) | 2019-04-26 |
| CN109688623B CN109688623B (en) | 2023-03-31 |
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