CN102263729B - A kind of processing method of frame structure and system - Google Patents
A kind of processing method of frame structure and system Download PDFInfo
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- CN102263729B CN102263729B CN201110248178.4A CN201110248178A CN102263729B CN 102263729 B CN102263729 B CN 102263729B CN 201110248178 A CN201110248178 A CN 201110248178A CN 102263729 B CN102263729 B CN 102263729B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention discloses a kind of processing method of frame structure and system, descender region can be carried in frame in the communication system using Time division duplex；The descender region includes at least one of synchronizing channel, basic frame information, control channel region, downlink traffic channel, and the content needed for the decoding control channel region is carried in the basic frame information；Also, synchronizing channel is located at before basic frame information, basic frame information is located at before control channel region, and control channel region is located at before downlink traffic channel.The frame is sent to terminal by base station.The frame structure treatment technology of the present invention; by rational subcarrier spacing, available subcarrier number, protection sub-carrier number, the setting of the key parameter such as CP length and use; the problem of existing wireless communications standard control overhead is big, product implementation complexity is high is solved, the need for the data user and the wireless communication industry future development that preferably meet high speed development.
Description
Technical field
The present invention relates to the communications field, and in particular to a kind of processing method of frame structure and system.
Background technology
With the development and the popularization of smart mobile phone of mobile Internet, mobile data traffic demand is skyrocketed through, quick to increase
Long data service proposes severe challenge to the transmittability of mobile communications network.
Cell mobile communication systems is mainly directed towards high-speed mobile, the conventional telecommunications service design of seamless switching, when its carrying
During big flow low speed IP (Internet protocol) data packet traffic, efficiency is relatively low, and cost is too high.To use OFDM (Orthogonal
Frequency Division Multiplexing, OFDM) technology LTE (Long Term Evolution, it is long
Phase evolution) exemplified by standard, it is high to meet in terms of frame structure, resource allocation, control channel, pilot tone, the network architecture
Fast movement, the conventional telecommunications Demand Design of seamless switching, cause system control overhead close to 30%, and add product
Implementation complexity and cost.
Based on above-mentioned analysis, cellular mobile communication field needs the inexpensive, suitable nomadic/local wireless data of oneself
The solution of access, to solve the problem of existing wireless communications standard control overhead is big, product implementation complexity is high.But mesh
Before untill, not yet there is relatively effective solution.
The content of the invention
In view of this, it is existing to solve it is a primary object of the present invention to provide a kind of processing method of frame structure and system
The problem of wireless communication standard control overhead is big, product implementation complexity is high.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of processing method of frame structure, this method includes：
In the communication system using Time division duplex, descender region is carried in frame；The descender region is comprising same
At least one of channel, basic frame information, control channel region, downlink traffic channel are walked, solution is carried in the basic frame information
Content needed for the code control channel region；Also, synchronizing channel is located at before basic frame information, basic frame information is located at control
Before channel region processed, control channel region is located at before downlink traffic channel；
The frame is sent to terminal by base station.
The frame is made up of integer orthogonal frequency division multiplex OFDM symbol, or the time span of the frame is fixed.
The synchronizing channel takes one or two OFDM symbol.
The basic frame information takes N number of OFDM symbol, and wherein N is the natural number that value is less than or equal to 10.
In the descender region include downstream feedback channel, the downstream feedback channel be located at the control channel region with
Between the downlink traffic channel, or between the basic frame information and the control channel region；Or,
In the descender region include descending sounding channel, the descending sounding channel be located at the control channel region with
Between the downlink traffic channel, or between the basic frame information and the control channel region；
When including downstream feedback channel in the descender region, the downstream feedback channel is located at the descending sounding channel
Before or after.
The starting OFDM symbol position letter of the resource of the control channel region distribution is included as in the basic frame information
Breath；Or,
There is indication field comprising system parameters message in the basic frame information, for indicating whether carried in the frame
System parameters message；Or,
In the basic frame information comprising downlink traffic channel OFDM symbol cyclic prefix CP Length Indication information and/or on
Industry business channel OFDM symbols cyclic prefix CP Length Indication information；
Wherein, the system parameters message is sent comprising system parameters message refresh counter and/or system parameters message
Cycle and/or downstream feedback signal channel resource allocation information and/or uplink feedback channel resource allocation information and/or access channel money
Information is distributed in source and/or descending sounding channel sends cycle and/or channel state feedback channel resource allocation.
The spectrum efficiency of the basic frame information is less than or equal to the spectrum efficiency of the control channel region, or described
The modulation coding mode of basic frame information is identical with the modulation coding mode of the control channel region.
When including up region in the frame, basic frame information described in the decoding terminals is obtained to be wrapped with the up region
The relevant parameter of the OFDM symbol number that contains；Or,
When including up region in the frame, reverse link traffic channel is comprised at least in the up region, the terminal is led to
The mode for spending time-division and/or frequency division obtains the reverse link traffic channel resource；Or,
Reverse link traffic channel and access channel are comprised at least when including up region in the frame, in the up region,
Wherein, it is described access channel be temporally located at after the reverse link traffic channel, or it is described access channel with it is described up
Traffic Channel obtains ascending resource by frequency division manner；Or,
Reverse link traffic channel is comprised at least when including up region in the frame, in the up region and uplink detection is believed
Road, the uplink detection channel is temporally located at before reverse link traffic channel；Or,
When including up region in the frame, uplink detection channel, the up spy are comprised at least in the up region
Survey the starting position that channel is in the up region；Or,
When including up region in the frame, comprise at least schedule request channel in the up region and channel status is anti-
Channel is presented, the schedule request channel and the channel state feedback channel take resource by way of frequency division or code division；
Reverse link traffic channel is included in the frame, the schedule request channel and the channel state feedback channel are in the time
It is upper to be located at before the reverse link traffic channel.
The descender region Length Indication information that the terminal is carried in frame length and the basic frame information based on the frame
Obtain the OFDM symbol number that the up region is included.
A kind of frame structure processing system, the system includes frame format processing unit, transmitting element；Wherein,
The frame format processing unit, in the communication system using Time division duplex, carrying descending in frame
Region；The descender region includes at least one of synchronizing channel, basic frame information, control channel region, downlink traffic channel,
The content needed for the decoding control channel region is carried in the basic frame information；Also, synchronizing channel is believed positioned at basic frame
Before breath, basic frame information is located at before control channel region, and control channel region is located at before downlink traffic channel；
The transmitting element, for the frame to be sent into terminal.
The frame is made up of integer OFDM symbol, or the time span of the frame is fixed.
The synchronizing channel takes one or two OFDM symbol.
The basic frame information takes N number of OFDM symbol, and wherein N is the natural number that value is less than or equal to 10.
In the descender region include downstream feedback channel, the downstream feedback channel be located at the control channel region with
Between the downlink traffic channel, or between the basic frame information and the control channel region；Or,
In the descender region include descending sounding channel, the descending sounding channel be located at the control channel region with
Between the downlink traffic channel, or between the basic frame information and the control channel region；
When including downstream feedback channel in the descender region, the downstream feedback channel is located at the descending sounding channel
Before or after.
The starting OFDM symbol position letter of the resource of the control channel region distribution is included as in the basic frame information
Breath；Or,
There is indication field comprising system parameters message in the basic frame information, for indicating whether carried in the frame
System parameters message；Or,
Believe in the basic frame information comprising downlink traffic channel OFDM symbol CP Length Indications information and/or uplink service
Road OFDM symbol CP Length Indication information；
Wherein, the system parameters message is sent comprising system parameters message refresh counter and/or system parameters message
Cycle and/or downstream feedback signal channel resource allocation information and/or uplink feedback channel resource allocation information and/or access channel money
Information is distributed in source and/or descending sounding channel sends cycle and/or channel state feedback channel resource allocation.
The spectrum efficiency of the basic frame information is less than or equal to the spectrum efficiency of the control channel region, or described
The modulation coding mode of basic frame information is identical with the modulation coding mode of the control channel region.
When including up region in the frame, the parameter relevant with OFDM symbol number that the up region is included is to pass through
Decoding basic frame information simultaneously calculates what is obtained；Or,
When including up region in the frame, reverse link traffic channel, the upper industry are comprised at least in the up region
Business channel resource was obtained by way of time-division and/or frequency division；Or,
Reverse link traffic channel and access channel are comprised at least when including up region in the frame, in the up region,
Wherein, it is described access channel be temporally located at after the reverse link traffic channel, or it is described access channel with it is described up
Traffic Channel obtains ascending resource by frequency division manner；Or,
Reverse link traffic channel is comprised at least when including up region in the frame, in the up region and uplink detection is believed
Road, the uplink detection channel is temporally located at before reverse link traffic channel；Or,
When including up region in the frame, uplink detection channel, the up spy are comprised at least in the up region
Survey the starting position that channel is in the up region；Or,
When including up region in the frame, comprise at least schedule request channel in the up region and channel status is anti-
Channel is presented, the schedule request channel and the channel state feedback channel take resource by way of frequency division or code division；
Reverse link traffic channel is included in the frame, the schedule request channel and the channel state feedback channel are in the time
It is upper to be located at before the reverse link traffic channel.
The descender region length that the terminal is additionally operable to carry in the frame length based on the frame and the basic frame information refers to
Show the OFDM symbol number that up region described in information acquisition is included.
The frame structure treatment technology of the present invention, passes through rational subcarrier spacing, available subcarrier number, protection subcarrier
The settings of key parameter such as number, CP length and use, solve that existing wireless communications standard control overhead is big, product implementation complexity
High the problem of, the need for the data user and the wireless communication industry future development that preferably meet high speed development.
Brief description of the drawings
Fig. 1 is the frame structure handling process sketch of the embodiment of the present invention；
Fig. 2 is the frame structure descender region schematic diagram of the embodiment of the present invention 1,6 to 10；
Fig. 3 is the frame structure descender region schematic diagram of the embodiment of the present invention 2；
Fig. 4 is the frame structure descender region schematic diagram of the embodiment of the present invention 3；
Fig. 5 is the frame structure descender region schematic diagram of the embodiment of the present invention 4；
Fig. 6 is the frame structure descender region schematic diagram of the embodiment of the present invention 5；
Fig. 7 is the frame structure schematic diagram of the embodiment of the present invention 11；
Fig. 8 a to Fig. 8 c are the frame structure schematic diagram of the embodiment of the present invention 12；
Fig. 9 a and Fig. 9 b are the frame structure schematic diagram of the embodiment of the present invention 13；
Figure 10 is the frame structure schematic diagram of the embodiment of the present invention 14；
Figure 11 is the frame structure schematic diagram of the embodiment of the present invention 15；
Figure 12 a to Figure 12 h are the frame structure schematic diagram of typical combination of the present invention；
Figure 13 is the frame structure processing system figure of the embodiment of the present invention.
Embodiment
In order to solve the problem of existing wireless communications standard control overhead is big, product implementation complexity is high；With realize it is low into
This, is adapted to the solution of nomadic/local wireless data access, preferably meets data user and the radio communication of high speed development
The need for industry future develops, it can make to include descender region in frame in the communication system using Time division duplex, it is described
Descender region includes at least one of synchronizing channel, basic frame information, control channel region, downlink traffic channel, described basic
The content needed for the decoding control channel region is carried in frame information；Wherein, the synchronizing channel is located at the basic frame letter
Before breath, the basic frame information is located at before the control channel region, and the control channel region is located at the lower industry
It is engaged in before channel.The frame is sent to terminal by base station.
Specifically, the frame can be made up of integer OFDM symbol.The synchronizing channel can take one or two
Individual OFDM symbol.The basic frame information can take N number of OFDM symbol, and wherein N is the natural number that value is less than or equal to 10.
In practical application scene, downstream feedback channel, the downstream feedback channel can be included in the descender region
It can be located between the control channel region and the downlink traffic channel, or positioned at the basic frame information and the control
Between channel region.
Descending sounding channel can be included in the descender region, the descending sounding channel can be located at the control letter
Between road region and the downlink traffic channel, or between the basic frame information and the control channel region.
Downstream feedback channel can be included in the descender region, the downstream feedback channel can be located at the descending spy
Survey before or after channel.
The starting OFDM symbol position of the resource of the control channel region distribution can be included as in the basic frame information
Confidence ceases.There can also be indication field comprising system parameters message in the basic frame information, be in the frame for indicating
No carrying system parameter message.
The system parameters message sends the cycle comprising system parameters message refresh counter and/or system parameters message
And/or downstream feedback signal channel resource allocation information and/or uplink feedback channel resource allocation information and/or access channel resource point
Cycle and/or channel state feedback channel resource allocation are sent with information and/or descending sounding channel.
There may be downlink traffic channel OFDM symbol CP (Cyclic Prefix, before circulation in the basic frame information
Sew) Length Indication information and/or reverse link traffic channel OFDM symbol Length Indication information.
The spectrum efficiency of the basic frame information is less than or equal to the spectrum efficiency of the control channel region.
The modulation coding mode of the basic frame information can be identical with the modulation coding mode of the control channel region.
Up region can also be included in the frame, basic frame information described in the decoding terminals simultaneously calculates described to obtain
The OFDM symbol number that up region is included.
The terminal can be based on the frame frame length and the basic frame information in the descender region Length Indication that carries
The OFDM symbol number that up region described in information acquisition is included.
When including up region in the frame, reverse link traffic channel is comprised at least in the up region, the terminal is led to
The mode for spending time-division and/or frequency division obtains the reverse link traffic channel resource.
When including up region in the frame, it can comprise at least reverse link traffic channel in the up region and access is believed
Road；Wherein, the access channel can be located at after the reverse link traffic channel in time, or the access channel and institute
State reverse link traffic channel and ascending resource is obtained by frequency division manner.
When including up region in the frame, reverse link traffic channel and up spy can be comprised at least in the up region
Channel is surveyed, the uplink detection channel can be located at before reverse link traffic channel in time.
When including up region in the frame, uplink detection channel can be comprised at least in the up region, it is described on
Row sounding channel may be at the starting position in the up region.
When including up region in the frame, schedule request channel and channel shape can be comprised at least in the up region
State feedback channel, the schedule request channel and the channel state feedback channel take money by way of frequency division or code division
Source.
When including reverse link traffic channel in the frame, the schedule request channel and the channel state feedback channel when
Between on can be located at before the reverse link traffic channel, the schedule request channel and the channel state feedback channel with it is described
Reverse link traffic channel takes resource by way of frequency division.
Referring to Fig. 1, Fig. 1 gives communication system frame structure design and the flow chart of application method, and specific steps include：
Step 102, in the communication system using Time division duplex, descender region is carried in frame；The descender
Domain includes at least one of synchronizing channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
The middle content carried needed for the decoding control channel region；Also, synchronizing channel is located at before basic frame information, basic frame letter
Breath is located at before control channel region, and control channel region is located at before downlink traffic channel；
Step 104, the frame is sent to terminal by base station.
The flow shown in Fig. 1 is further illustrated to embodiment 17 with reference to embodiment 1.
Embodiment 1
As shown in Fig. 2 using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain, which is included, carries decoding in synchronizing channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for the control channel region；Wherein, synchronizing channel is located at before basic frame information, and basic frame information is located at control
Before channel region, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Embodiment 2
As shown in figure 3, using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain includes synchronizing channel, basic frame information, control channel region, downstream feedback channel, downlink traffic channel, the basic frame letter
The content needed for the decoding control channel region is carried in breath；Wherein, synchronizing channel is located at before basic frame information, basic frame
Information is located at before control channel region, and control channel region is located at before downlink traffic channel, the downstream feedback channels bits
Between the control channel region and the downlink traffic channel.
The frame is sent to terminal by base station.
Embodiment 3
As shown in figure 4, using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain includes synchronizing channel, basic frame information, downstream feedback channel, control channel region, downlink traffic channel, the basic frame letter
The content needed for the decoding control channel region is carried in breath；Wherein, synchronizing channel is located at before basic frame information, basic frame
Information is located at before control channel region, and control channel region is located at before downlink traffic channel, the downstream feedback channels bits
Between the basic frame information and the control channel region.
The frame is sent to terminal by base station.
Embodiment 4
As shown in figure 5, using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain includes synchronizing channel, basic frame information, control channel region, descending sounding channel, downlink traffic channel, the basic frame letter
The content needed for the decoding control channel region is carried in breath；Wherein, synchronizing channel is located at before basic frame information, basic frame
Information is located at before control channel region, and control channel region is located at before downlink traffic channel, the descending sounding channel position
Between the control channel region and the downlink traffic channel.
The frame is sent to terminal by base station.
Embodiment 5
As shown in fig. 6, using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain includes synchronizing channel, basic frame information, descending sounding channel, control channel region, downlink traffic channel, the basic frame letter
The content needed for the decoding control channel region is carried in breath；Wherein, synchronizing channel is located at before basic frame information, basic frame
Information is located at before control channel region, and control channel region is located at before downlink traffic channel, the descending sounding channel position
Between the basic frame information and the control channel region.
The frame is sent to terminal by base station.
Embodiment 6
As shown in Fig. 2 using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain, which is included, carries decoding in synchronizing channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content (such as starting OFDM symbol position letter of the resource of described control channel region distribution needed for the control channel region
Breath)；Wherein, synchronizing channel is located at before basic frame information, and basic frame information is located at before control channel region, control channel area
Domain is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Embodiment 7
As shown in Fig. 2 using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain includes synchronizing channel, basic frame information, control channel region, downlink traffic channel；The basic frame information is joined comprising system
There is indication field in number message, for indicate in the frame whether carrying system parameter message.Wherein, synchronizing channel is located at basic
Before frame information, basic frame information is located at before control channel region, and control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Preferably, the system parameters message is sent out comprising system parameters message refresh counter and/or system parameters message
Send cycle and/or downstream feedback signal channel resource allocation information and/or uplink feedback channel resource allocation information and/or access channel
Resource allocation information and/or descending sounding channel send cycle and/or channel state feedback channel resource allocation.
Preferably, the system parameters message can be sent in downlink traffic channel, can also descender region spy
Transmission is put in positioning, and the ad-hoc location can be standard default configuration.
Embodiment 8
As shown in Fig. 2 using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain, which is included, carries decoding in synchronizing channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for the control channel region；Wherein, synchronizing channel is located at before basic frame information, and basic frame information is located at control
Before channel region, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Believe in the basic frame information comprising downlink traffic channel OFDM symbol CP Length Indications information and/or uplink service
Road OFDM symbol CP Length Indication information, the terminal is based on above- mentioned information and decodes downlink or uplink Traffic Channel.
Embodiment 9
As shown in Fig. 2 using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain includes synchronizing channel, basic frame information, control channel region, downlink traffic channel；Decoding is carried in the basic frame information
Content needed for the control channel region, the spectrum efficiency of the basic frame information is less than or equal to the control channel region
Spectrum efficiency.Wherein, synchronizing channel is located at before basic frame information, and basic frame information is located at before control channel region, control
Channel region processed is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Embodiment 10
As shown in Fig. 2 using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain, which is included, carries decoding in synchronizing channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for the control channel region, the modulation coding mode of the basic frame information and the tune of the control channel region
Coded system processed is identical.Wherein, synchronizing channel be located at basic frame information before, basic frame information be located at control channel region it
Before, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Embodiment 11
As shown in fig. 7, using in the communication system of Time division duplex, descender region, the descender are included in a frame
Domain, which is included, carries decoding in synchronizing channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for the control channel region；Wherein, synchronizing channel is located at before basic frame information, and basic frame information is located at control
Before channel region, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Included in the frame after up region, basic frame information described in the decoding terminals, calculate the up region bag
The available OFDM symbol number contained (not including being up to descending conversion time).
Preferably, frame length of the terminal based on the frame (signals or standard default is configured or by two synchronizations
Time interval between channel is obtained) and the basic frame information in the descender region Length Indication information that carries, obtain described in
The OFDM symbol number that up region is included.
Embodiment 12
Using descender region in the communication system of Time division duplex, is included in a frame, the descender region is comprising synchronous
The decoding control letter is carried in channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for road region；Wherein, synchronizing channel be located at basic frame information before, basic frame information be located at control channel region it
Before, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Reverse link traffic channel, institute are comprised at least in up region, the up region as shown in figure 8, being included in the frame
State terminal and the reverse link traffic channel resource is obtained by way of time-division and/or frequency division.
Embodiment 13
Using descender region in the communication system of Time division duplex, is included in a frame, the descender region is comprising synchronous
The decoding control letter is carried in channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for road region；Wherein, synchronizing channel be located at basic frame information before, basic frame information be located at control channel region it
Before, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Comprise at least reverse link traffic channel as shown in figure 9, being included in the frame in up region, the up region and connect
Enter channel；Wherein, the access channel is temporally located at after the reverse link traffic channel, or the access channel and institute
State reverse link traffic channel and ascending resource is obtained by frequency division manner.
Embodiment 14
Using descender region in the communication system of Time division duplex, is included in a frame, the descender region is comprising synchronous
The decoding control letter is carried in channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for road region；Wherein, synchronizing channel be located at basic frame information before, basic frame information be located at control channel region it
Before, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
As shown in Figure 10, up region is included in the frame, comprise at least in the up region reverse link traffic channel and
Uplink detection channel, the uplink detection channel is temporally located at before reverse link traffic channel.
Embodiment 15
Using descender region in the communication system of Time division duplex, is included in a frame, the descender region is comprising synchronous
The decoding control letter is carried in channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for road region；Wherein, synchronizing channel be located at basic frame information before, basic frame information be located at control channel region it
Before, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
As shown in figure 11, included in the frame and uplink detection channel, institute are comprised at least in up region, the up region
State the starting position that uplink detection channel is in the up region.
Embodiment 16
Using descender region in the communication system of Time division duplex, is included in a frame, the descender region is comprising synchronous
The decoding control letter is carried in channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for road region；Wherein, synchronizing channel be located at basic frame information before, basic frame information be located at control channel region it
Before, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Included in the frame and schedule request channel and channel state feedback are comprised at least in up region, the up region
Channel, the schedule request channel and the channel state feedback channel take resource by way of frequency division or code division.
Embodiment 17
Using descender region in the communication system of Time division duplex, is included in a frame, the descender region is comprising synchronous
The decoding control letter is carried in channel, basic frame information, control channel region, downlink traffic channel, the basic frame information
Content needed for road region；Wherein, synchronizing channel be located at basic frame information before, basic frame information be located at control channel region it
Before, control channel region is located at before downlink traffic channel.
The frame is sent to terminal by base station.
Included in the frame and schedule request channel, channel state feedback are comprised at least in up region, the up region
Channel, reverse link traffic channel, the schedule request channel and the channel state feedback channel are by way of frequency division or code division
Take resource, the schedule request channel and the channel state feedback channel be temporally located at the reverse link traffic channel it
Before, or the schedule request channel and the channel state feedback channel accounted for the reverse link traffic channel by way of frequency division
Use resource.
Preferably, embodiment 1 is into embodiment 17, and the frame includes integer OFDM symbol.
Preferably, embodiment 1 is into embodiment 17, and the synchronizing channel takes 1 or 2 OFDM symbols.
Preferably, embodiment 1 is into embodiment 17, and the basic frame information takes N number of OFDM symbol；Wherein N is value
More than or equal to the 1, natural number less than or equal to 10.
Figure 12 gives a variety of typical combinations of frame structure design of the present invention, and above-described embodiment design content can be in Figure 12
Realized in shown frame structure.
It should be noted that embodiment 1 is into embodiment 17, downstream feedback channel, descending sounding channel, uplink feedback letter
Road, uplink detection channel, schedule request channel, channel state feedback channel, access channel etc. can using one or more frames as when
Between unit be transmitted, i.e., these channels not necessarily all exist per frame.
Also, base station is included in the present invention in descender region from switching interval (TTG, the transmit/ for being dealt into receipts
Receive transition gap), comprising base station from switching interval (RTG, the receive/ for receiving hair in up region
transmit transition gap)；In actual applications, it is also possible to because different application environments causes the descender region that has
In do not include TTG, it is also possible to because different application environments causes not including RTG in the descender region that has.
To ensure the order realization of present invention operation thinking and various embodiments above shown in Fig. 1, it can carry out such as figure
Setting shown in 13.Referring to Figure 13, Figure 13 is the frame structure processing system figure of the embodiment of the present invention, and the system includes connected frame
Format analysis processing unit, transmitting element.Frame format processing unit, transmitting element may be disposed in base station.
In practical application, frame format processing unit can be in the communication system using Time division duplex, in frame
Carry descender region；The descender region is included in synchronizing channel, basic frame information, control channel region, downlink traffic channel
At least one, the content needed for the decoding control channel region is carried in the basic frame information；Also, synchronizing channel is located at
Before basic frame information, basic frame information be located at control channel region before, control channel region be located at downlink traffic channel it
Before.The frame can be sent to terminal by transmitting element.
Visible in summary, either method or system, frame structure treatment technology of the invention, are carried by rational son
Wave spacing, available subcarrier number, protection sub-carrier number, the setting of key parameter such as CP length and use, solve existing channel radio
The problem of quasi- control overhead of beacon is big, product implementation complexity is high, preferably meets data user and the channel radio of high speed development
The need for believing industry future development.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (14)
1. a kind of processing method of frame structure, it is characterised in that this method includes：
In the communication system using Time division duplex, descender region is carried in frame；The descender region is believed comprising synchronous
Decoding institute is carried at least one of road, basic frame information, control channel region, downlink traffic channel, the basic frame information
State the content needed for control channel region；Also, synchronizing channel is located at before basic frame information, basic frame information, which is located at control, to be believed
Before road region, control channel region is located at before downlink traffic channel；
In the descender region include downstream feedback channel, the downstream feedback channel be located at the control channel region with it is described
Between downlink traffic channel, or between the basic frame information and the control channel region；Or,
In the descender region include descending sounding channel, the descending sounding channel be located at the control channel region with it is described
Between downlink traffic channel, or between the basic frame information and the control channel region；
When including downstream feedback channel in the descender region, the downstream feedback channel is located at before the descending sounding channel
Or afterwards；
The frame is sent to terminal by base station；
Wherein, the starting OFDM symbol position letter of the resource of the control channel region distribution is included as in the basic frame information
Breath；Or,
There is indication field comprising system parameters message in the basic frame information, for indicate in the frame whether carrying system
Parameter message；Or,
Downlink traffic channel OFDM symbol cyclic prefix CP Length Indication information and/or upper industry are included in the basic frame information
Business channel OFDM symbols cyclic prefix CP Length Indication information；
Wherein, the system parameters message sends the cycle comprising system parameters message refresh counter and/or system parameters message
And/or downstream feedback signal channel resource allocation information and/or uplink feedback channel resource allocation information and/or access channel resource point
Cycle and/or channel state feedback channel resource allocation are sent with information and/or descending sounding channel.
2. according to the method described in claim 1, it is characterised in that the frame is by integer orthogonal frequency division multiplex OFDM symbol structure
Into, or the time span of the frame fixes.
3. according to the method described in claim 1, it is characterised in that the synchronizing channel takes one or two OFDM symbol.
4. according to the method described in claim 1, it is characterised in that the basic frame information takes N number of OFDM symbol, wherein N
It is less than or equal to 10 natural number for value.
5. the method according to any one of Claims 1-4, it is characterised in that
The spectrum efficiency of the basic frame information is less than or equal to the spectrum efficiency of the control channel region, or described basic
The modulation coding mode of frame information is identical with the modulation coding mode of the control channel region.
6. the method according to any one of Claims 1-4, it is characterised in that
When including up region in the frame, basic frame information described in the decoding terminals obtains what is included with the up region
The relevant parameter of OFDM symbol number；Or,
When including up region in the frame, comprise at least reverse link traffic channel in the up region, the terminal by when
Divide and/or the mode of frequency division obtains the reverse link traffic channel resource；Or,
Reverse link traffic channel and access channel are comprised at least when including up region in the frame, in the up region, wherein,
The access channel is temporally located at after the reverse link traffic channel, or the access channel is believed with the uplink service
Road obtains ascending resource by frequency division manner；Or,
When including up region in the frame, reverse link traffic channel and uplink detection channel are comprised at least in the up region,
The uplink detection channel is temporally located at before reverse link traffic channel；Or,
When including up region in the frame, uplink detection channel, the uplink detection letter are comprised at least in the up region
Road is in the starting position in the up region；Or,
Schedule request channel is comprised at least when including up region in the frame, in the up region and channel state feedback is believed
Road, the schedule request channel and the channel state feedback channel take resource by way of frequency division or code division；
Include reverse link traffic channel in the frame, the schedule request channel and the channel state feedback channel position in time
Before the reverse link traffic channel.
7. the method according to any one of Claims 1-4, it is characterised in that
The descender region Length Indication information acquisition that the terminal is carried in frame length and the basic frame information based on the frame
The OFDM symbol number that the up region is included.
8. a kind of frame structure processing system, it is characterised in that the system includes frame format processing unit, transmitting element；Wherein,
The frame format processing unit, in the communication system using Time division duplex, descender region to be carried in frame；
The descender region includes at least one of synchronizing channel, basic frame information, control channel region, downlink traffic channel, described
The content needed for the decoding control channel region is carried in basic frame information；Also, synchronizing channel be located at basic frame information it
Before, basic frame information is located at before control channel region, and control channel region is located at before downlink traffic channel；
In the descender region include downstream feedback channel, the downstream feedback channel be located at the control channel region with it is described
Between downlink traffic channel, or between the basic frame information and the control channel region；Or,
In the descender region include descending sounding channel, the descending sounding channel be located at the control channel region with it is described
Between downlink traffic channel, or between the basic frame information and the control channel region；
When including downstream feedback channel in the descender region, the downstream feedback channel is located at before the descending sounding channel
Or afterwards；
The transmitting element, for the frame to be sent into terminal；
Wherein, the starting OFDM symbol position letter of the resource of the control channel region distribution is included as in the basic frame information
Breath；Or,
There is indication field comprising system parameters message in the basic frame information, for indicate in the frame whether carrying system
Parameter message；Or,
Downlink traffic channel OFDM symbol CP Length Indications information and/or reverse link traffic channel are included in the basic frame information
OFDM symbol CP Length Indication information；
Wherein, the system parameters message sends the cycle comprising system parameters message refresh counter and/or system parameters message
And/or downstream feedback signal channel resource allocation information and/or uplink feedback channel resource allocation information and/or access channel resource point
Cycle and/or channel state feedback channel resource allocation are sent with information and/or descending sounding channel.
9. system according to claim 8, it is characterised in that the frame is made up of integer OFDM symbol, or the frame
Time span fix.
10. system according to claim 8, it is characterised in that the synchronizing channel takes one or two OFDM symbol.
11. system according to claim 8, it is characterised in that the basic frame information takes N number of OFDM symbol, wherein N
It is less than or equal to 10 natural number for value.
12. the system according to any one of claim 8 to 11, it is characterised in that
The spectrum efficiency of the basic frame information is less than or equal to the spectrum efficiency of the control channel region, or described basic
The modulation coding mode of frame information is identical with the modulation coding mode of the control channel region.
13. the system according to any one of claim 8 to 11, it is characterised in that
When including up region in the frame, the parameter relevant with OFDM symbol number that the up region is included is by decoding
Basic frame information simultaneously calculates what is obtained；Or,
When including up region in the frame, reverse link traffic channel, the uplink service letter are comprised at least in the up region
Road resource was obtained by way of time-division and/or frequency division；Or,
Reverse link traffic channel and access channel are comprised at least when including up region in the frame, in the up region, wherein,
The access channel is temporally located at after the reverse link traffic channel, or the access channel is believed with the uplink service
Road obtains ascending resource by frequency division manner；Or,
When including up region in the frame, reverse link traffic channel and uplink detection channel are comprised at least in the up region,
The uplink detection channel is temporally located at before reverse link traffic channel；Or,
When including up region in the frame, uplink detection channel, the uplink detection letter are comprised at least in the up region
Road is in the starting position in the up region；Or,
Schedule request channel is comprised at least when including up region in the frame, in the up region and channel state feedback is believed
Road, the schedule request channel and the channel state feedback channel take resource by way of frequency division or code division；
Include reverse link traffic channel in the frame, the schedule request channel and the channel state feedback channel position in time
Before the reverse link traffic channel.
14. the system according to any one of claim 8 to 11, it is characterised in that
The terminal is additionally operable to the descender region Length Indication letter carried in the frame length based on the frame and the basic frame information
Breath obtains the OFDM symbol number that the up region is included.
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| CN201110248178.4A CN102263729B (en) | 2011-08-26 | 2011-08-26 | A kind of processing method of frame structure and system |
| PCT/CN2011/082880 WO2012151946A1 (en) | 2011-08-26 | 2011-11-24 | Data sending method and system |
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| US10680871B2 (en) | 2016-02-05 | 2020-06-09 | Huawei Technologies Co., Ltd. | Uplink subcarrier spacing indication method, base station, and terminal |
| CN106793104B (en) * | 2016-08-12 | 2019-04-30 | 展讯通信（上海）有限公司 | Synchronization signal indicates resource allocation method and user equipment |
| CN107872306B (en) * | 2016-09-23 | 2021-05-25 | 电信科学技术研究院 | Downlink transmission method and related equipment |
| WO2018082135A1 (en) * | 2016-11-04 | 2018-05-11 | 华为技术有限公司 | Base station, terminal, system, and method for transmitting signals in communication system |
| US10085281B2 (en) * | 2016-11-29 | 2018-09-25 | Qualcomm Incorporated | Channel access for a mixed numerology carrier |
| CN109474990B (en) * | 2017-09-08 | 2023-10-24 | 华为技术有限公司 | Resource allocation method, terminal and network equipment |
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