CN101714896B - Communication means - Google Patents
Communication means Download PDFInfo
- Publication number
- CN101714896B CN101714896B CN200910235583.5A CN200910235583A CN101714896B CN 101714896 B CN101714896 B CN 101714896B CN 200910235583 A CN200910235583 A CN 200910235583A CN 101714896 B CN101714896 B CN 101714896B
- Authority
- CN
- China
- Prior art keywords
- field
- methods
- frame
- son
- uht
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of method generating physical sub-frame, including: generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；Described control field and the data field polymerization including one or more continuous son field are formed physical sub-frame.Invention additionally discloses a kind of device generating physical sub-frame, and a kind of method and apparatus generating physical layer superframe.
Description
Technical field
The invention belongs to mobile communication technology field, particularly relate to a kind of communication means.
Background technology
802.11 standards define two kinds of media interviews forms: distributed coordination function (DCF) and collection
Chinese style coordination function (PCF).DCF prevents (CSMA/CA) based on csma/conflict
Agreement, and be compulsory.Under DCF pattern, competition is obtained access right by 802.11 main frames, and
Sending radio frames when, other websites will not transmit.If other websites need transmission, then
This website will wait until channel idle.As the condition of access media, media access control (MAC)
Layer checks the value of its network allocation vector (NAV), and this most all exists, before being used for representing
One frame needs to send the time of this frame.NAV must be set to zero before website attempts to send frame.In transmission
Before frame, website calculates, according to frame length and transfer rate, the time sent needed for frame.Website would indicate that now
Between value be placed in persistent period (Duration) territory of frame head.After website receives this frame, check
Duration territory is also as the basis arranging corresponding NAV.This operation will reserve medium for transmitting station.
Being accomplished by of virtual carrier sense mechanism in 802.11a/n wireless local area network (WLAN) system
After user site receives physical layer convergence sublayer (PLCP) protocol Data Unit (PPDU),
Firstly the need of untiing SIGNAL domain information, then learn current number according to Rate or MCS information
According to the modulation system in territory, then data portion is demodulated obtaining the Duration information of MAC header
(NAV).Such as, at MAC Service Data Unit (the Aggregate MAC Service Data of polymerization
Unit, A-MSDU) in, the MAC header that only one of which is shared, the Durtion/ID field of the inside sets
NAV value.Polymerization Medium Access Control (MAC) Protocol Data Unit (Aggregate MAC Protocol Data Unit,
A-MPDU) in, comprising multiple MPDU, i.e. have multiple MAC header, agreement specifies multiple MAC
The NAV value of head sets consistent.Show that each MPDU sets identical NAV.
But, some ultrahigh speed wireless local area network (WLAN) system uses sub-channel modulation mode, except transceiver station
Outside other website cannot know its sub-channel modulation mode used, therefore cannot be to its MAC header
Information is demodulated, and the most just cannot obtain the numerical value in Duration territory to update NAV.
It addition, in some ultrahigh speed wireless local area network (WLAN) system, receiving station (such as AP) simultaneously with
When multiple transmitting stations carry out data interaction, even if the already known multiple transmissions communicated with of receiving station
The modulation system that website is used, but due to its can only untie that PLCP is leading and SIGNAL domain information or
Person is the MCS information of HT-SIGNAL, and cannot know which transmitting station current PPDU belongs to,
The most current PPDU cannot be demodulated.
Summary of the invention
In view of this, the technical problem to be solved is to provide a kind of communication means, makes ultrahigh speed
Receiving station in wireless local area network (WLAN) system be obtained in that the numerical value in Duration territory to update NAV, and
Make receiving station be able to know that the transmitting station of current PPDU, thus current PPDU is demodulated.
In some optional embodiments, described communication means includes: generate include transmitting station mark and
For calculating the control field of the information of network allocation vector；By described control field and include or many
The data field polymerization of individual continuous son field forms physical sub-frame；When sending described physical sub-frame, at thing
Described control field is modulated by reason layer.
During it can be seen that utilize described physical sub-frame to communicate in ultrahigh speed WLAN, permissible
Making receiving station can obtain the address of transmitting station in physical layer, the most non-reception website can solve
Data frame below.Also solve the setting replacement problem of NAV simultaneously, and have compressed data division
Expense, improves efficiency of transmission.
In some optional embodiments, described communication means includes: generate long preambles (HT-LTF) word
Section；Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；Will
Described HT-LTF field, control field and include one or more continuous son field data field be polymerized shape
Become physical sub-frame；When sending described physical sub-frame, in physical layer, described control field is modulated.
In some optional embodiments, described communication means includes: generate signal (HT-SIG) field,
Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；By described
HT-SIG field, control field and include one or more continuous son field data field polymerization formed
Physical sub-frame；When sending described physical sub-frame, in physical layer, described control field is modulated.
In some optional embodiments, described communication means includes: generate HT-LTF field, HT-SIG
Field；Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；
By described HT-LTF field, HT-SIG field, control field with include one or more continuous son field
Data field polymerization formed physical sub-frame；When sending described physical sub-frame, in physical layer to described control
Field processed is modulated.
In some optional embodiments, described communication means includes: generate preamble field；Generate signal
HT-SIG field, data long preambles field and extension long preambles field；By described HT-SIG field, number
The first subframe is formed according to long preambles field, extension long preambles field and the polymerization of the first physical sub-frame；Described
One physical sub-frame is adopted and is generated with the following method: generates and includes transmitting station mark and for calculating network allocation
The control field of the information of vector；By described control field and the number including one or more continuous son field
The first physical sub-frame is formed according to field polymerization；At least one second physical sub-frame polymerization is formed the second subframe；
Described second physical sub-frame is adopted and is generated one of with the following method: generate include transmitting station mark and by based on
Calculate the control field of the information of network allocation vector；By described control field and include one or more continuously
The data field polymerization of son field forms the second physical sub-frame；Or, generate long preambles HT-LTF field；
Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；By described
HT-LTF field, control field and include one or more continuous son field data field polymerization formed
Second physical sub-frame；Or, generate signal HT-SIG field；Generation include transmitting station mark and for
Calculate the control field of the information of network allocation vector；By described HT-SIG field, control field and bag
The data field polymerization including one or more continuous son field forms the second physical sub-frame；Or, before generating length
Lead HT-LTF field and signal HT-SIG field；Generation includes transmitting station mark and for calculating net
The control field of the information of network allocation vector；By described HT-LTF field, HT-SIG field, control word
Section and the data field polymerization including one or more continuous son field form the second physical sub-frame；By described
Preamble field, the first subframe and the polymerization of the second subframe form physical layer superframe；Surpass sending described physical layer
During frame, in physical layer, described control field is modulated.
In some optional embodiments, described communication means includes: when receiving physical sub-frame, at physics
Layer unties described physical sub-frame, obtains network allocation vector information and the address information of transmitting station and right
The modulation system answered；Wherein, described physical sub-frame is polymerized by control field and data field, described
Control field includes transmitting station mark and for calculating the information of network allocation vector, described data field
Including one or more continuous son fields；Update network allocation vector and carry out subsequent demodulation.
Figure of description
Fig. 1-1,1-2 are the structural representations of a kind of optional physical sub-frame；
Fig. 2-1,2-2 are the structural representation of another kind of optional physical sub-frame respectively；
Fig. 3-1,3-2 are the structural representation of two kinds of optional UHT-MPDU fields respectively；
Fig. 4,5,6 are the structural representation of another three kinds of optional physical sub-frame respectively；
Fig. 7 is the structural representation of a kind of optional physical layer superframe；
Fig. 8,9,10,11 are the schematic diagram of the device of four kinds of optional generation physical sub-frame respectively；
Figure 12 is the schematic diagram of the device of a kind of optional generation physical layer superframe.
Detailed description of the invention
For realizing making the receiving station in ultrahigh speed wireless local area network (WLAN) system be obtained in that Duration territory
Numerical value updates NAV, and makes receiving station be able to know that the transmitting station of current PPDU, thus right
Current PPDU is demodulated, on the basis of the physical layer frame structure having used for reference existing 802.11 specifications,
A kind of brand-new physical layer frame structure is proposed, as shown in Fig. 1-1, Fig. 1-2.
This physical sub-frame includes control field UHT-SIG and a data field
UHT-A-MPDU。
Control field UHT-SIG is by the shared MAC information (Shared carrying instruction/control information
MAC Info) field, reservation (Reserved) field, cyclic check (CRC) field and afterbody
(Tail) field composition.In Shared MAC Info field, continue/mark (Duaration/ID)
The value for calculating NAV is placed in territory, and the address of transmitting station is placed in transmitting station address (TA) territory.
Here Reserved field, crc field and Tail field effect and carrying information with
802.11n specification is identical, the most no longer does repeat specification.
Data field UHT-A-MPDU is handled up MAC by a Service field, at least one superelevation
Protocol Data Unit (Ultra High Throughput MAC Protocol Data Unit,
UHT-MPDU) field, for field UHT-MN that each UHT-MPDU field is separated,
And a Tail and Pad field composition.
The information of Service field here and the effect of Tail and Pad field and carrying thereof with
802.11n specification is identical, the most no longer does repeat specification.
Each UHT-MPDU field by one carrying MAC layer information MAC Header field,
One MSDU and a FCS composition.Wherein, MAC Header field is by frame control (Frame
Control) territory, Address 1 territory, address 3 (Address 3) territory, sequence control (Sequence
Control) territory, address 4 (Address 4) territory, quality control of the business (QoS Control) territory and
High-throughput controls the compositions such as (HT Control) territory.
Here the Frame Control territory in MSDU, FCS and MAC Header, Address
1 territory, Address 3 territory, Sequence Control territory, Address 4 territory, QoS Control
Territory is identical with 802.11n specification with the information of the effect in HT Control territory and carrying thereof, the most no longer does
Repeat specification.
Each E-MN field is by Reserved territory, Length territory, CRC territory and delimiter (Delimiter)
Territory forms.
Here Reserved territory, Length territory, CRC territory and the effect in Delimiter territory and hold
The information carried is identical with 802.11n specification, the most no longer does repeat specification.
For the UHT-SIG structure shown in Fig. 1-1, another kind of optional UHT-A-MPDU structure is such as
Shown in Fig. 3-1.Wherein, Length territory is for placing the length information of UHT-MPDU.
By carrying out contrasting with the UHT-A-MPDU shown in Fig. 1-2 it can be seen that shown in Fig. 3-1
UHT-A-MPDU in, owing to there is not UHT-MN field, therefore utilizing this physical sub-frame to enter
During row transmission, it is possible not only to make receiving station can obtain the address of transmitting station in physical layer, and solves
The setting replacement problem of NAV, additionally it is possible to effectively further improve the efficiency of transmission of system.
Fig. 2-1, Fig. 2-2 show another kind of optional physical sub-frame.Shown in Fig. 1-1, Fig. 1-2
Physical sub-frame is compared, and the difference of the physical sub-frame shown in Fig. 2-1, Fig. 2-2 is, carrying receives
Address 1 territory of site address (RA) information be placed in UHT-SIG field rather than
In the MAC Header of UHT-MPDU field.
It can be seen that the MAC information in MAC Header field is determined by UHT-SIG field.?
The MAC layer information placed in UHT-SIG field, can not in MAC Header field again
Secondary placement, is so favorably improved the efficiency of transmission of system.
When sending described physical sub-frame, UHT-SIG field is entered with unified low rate in physical layer
Row modulation.A kind of optional mode is, uses BPSK, 1/2 code check modulation UHT-SIG field.Connect
Receive website when receiving described physical sub-frame, it is necessary first to untie UHT-SIG in physical layer, obtain NAV
Information, such that it is able to update NAV.While receiving station unties UHT-SIG, moreover it is possible to obtain and send
The address information of website and the modulation system of correspondence thereof, such that it is able to it is follow-up to enable receiving station to carry out
Demodulation.
When utilizing described physical sub-frame to communicate in ultrahigh speed WLAN, receiving station can be made
Can obtain the address of transmitting station in physical layer, the most non-reception website can solution data below
Frame.Also solve the setting replacement problem of NAV simultaneously, and have compressed the expense of data division, improve
Efficiency of transmission.
For the UHT-SIG structure shown in Fig. 2-1, another kind of optional UHT-A-MPDU structure is such as
Shown in Fig. 3-1, or as shown in figure 3-2.
Compared with the UHT-MPDU field shown in Fig. 3-1, the UHT-MPDU field shown in Fig. 3-2
In, add Address 1 territory, for placing the address of receiving station.
It should be noted that due to the address that placed receiving station in the RA field of UHT-SIG,
Therefore in UHT-MPDU increase receiving station address be not intended to make receiving terminal learn
The destination address of UHT-MPDU, but in order to enable receiving terminal more reliably to UHT-MPDU
Position.
Fig. 4, Fig. 5, Fig. 6 respectively illustrate other three kinds of optional physical sub-frame.Wherein, HT-LTF
Field is identical with 802.11n specification, the most no longer with the information of the effect of HT-SIG field and carrying thereof
Do repeat specification.
The invention allows for a kind of physical layer superframe structure, as shown in Figure 7.Described superframe is by preamble word
Section, the first subframe and the second subframe composition.
Preamble field is by HT patterns of green area short leading (HT-GF-LTF) and the first long preambles (HT-LTF1)
Constituting, the first subframe is by HT-SIG field, data long preambles, extension long preambles and a physical sub-frame
Composition, the second subframe is made up of at least one physical sub-frame.Wherein, data long preambles and extension long preambles
It is made up of several HT-LTF respectively.
Here HT-GF-LTF, HT-LTF1, data long preambles and the effect of extension long preambles and hold
The information carried is identical with 802.11n specification, the most no longer does repeat specification.
Form based on aforesaid physical layer subframe, the present invention proposes a kind of method generating physical sub-frame.
The method includes: generate control field UHT-SIG；By control field UHT-SIG and data field
UHT-A-MPDU polymerization forms physical sub-frame.
Here, the effect of transmitting station address TA is a mark.Those skilled in the art are the most permissible
Finding out, the mode being identified transmitting station is not unique, can use completely other non-ly
Transmitting station is identified by the mode of location.
The another kind of method generating physical sub-frame includes: generate HT-LTF；Generate control field
UHT-SIG；HT-LTF, control field UHT-SIG and data field UHT-A-MPDU are polymerized
Form physical sub-frame.
The another kind of method generating physical sub-frame includes: generate HT-SIG；Generate control field
UHT-SIG；HT-SIG, control field UHT-SIG and data field UHT-A-MPDU are polymerized
Form physical sub-frame.
The another kind of method generating physical sub-frame includes: generate HT-LTF and HT-SIG；Generate control word
Section UHT-SIG；By HT-LTF, HT-SIG, control field UHT-SIG and data field
UHT-A-MPDU polymerization forms physical sub-frame.
The present invention also proposes a kind of method generating physical layer superframe, and the method includes: generate preamble field；
Generate HT-SIG, data long preambles field and extension long preambles field；By long to HT-SIG field, data
Preamble field, extension long preambles field and a physical sub-frame polymerization form the first subframe；By one or many
The polymerization of individual physical sub-frame forms the second subframe；Described preamble field, the first subframe and the second subframe are polymerized
Form physical layer superframe.
Fig. 8 shows a kind of device generating physical sub-frame, and this device includes first module S11 and second
Cell S 12.
First module S11 is used for generating control field UHT-SIG；Second unit S12 will be for controlling
Field UHT-SIG and data field UHT-A-MPDU polymerization form physical sub-frame.
Fig. 9 shows the another kind of device generating physical sub-frame, this device include first module S11, the
Two cell S 12 and the 3rd cell S 21.
3rd cell S 21 is used for generating HT-LTF；Second unit S12 is for by HT-LTF, control
Field UHT-SIG and data field UHT-A-MPDU polymerization form physical sub-frame.
Figure 10 shows the another kind of device generating physical sub-frame, this device include first module S11,
Second unit S12 and the 4th cell S 31.
4th cell S 31 is used for generating HT-SIG；Second unit S12 is for by HT-SIG, control
Field UHT-SIG and data field UHT-A-MPDU polymerization form physical sub-frame.
Figure 11 shows the another kind of device generating physical sub-frame, this device include first module S11, the
Two cell S the 12, the 3rd cell S 21 and the 4th cell S 31.
Second unit S12 is for by HT-LTF, HT-SIG, control field UHT-SIG and data word
Section UHT-A-MPDU polymerization forms physical sub-frame.
Figure 12 shows a kind of device generating physical layer superframe, this device include pilot unit S41,
5th cell S the 42, first physical sub-frame cell S the 43, first subframe unit S44, the second physical sub-frame
Cell S the 45, second subframe unit S46 and units of super-frames S47.
Pilot unit S41 is used for generating preamble field；5th cell S 42 be used for generating HT-SIG field,
Data long preambles field and extension long preambles field；First physical sub-frame cell S 43 is for generating the first thing
Reason subframe；First subframe unit S44 is for by described HT-SIG field, data long preambles field, expansion
Length preamble field and the polymerization of the first physical sub-frame form the first subframe.
Second physical sub-frame cell S 45 is used for generating one or more second physical sub-frame；Second subframe list
Unit S46 is for the one or more second physical sub-frame polymerizations the second physical sub-frame cell S 45 generated
Form the second subframe；Units of super-frames S47 is for gathering described preamble field, the first subframe and the second subframe
Close and form physical layer superframe.
A kind of preferably mode is that the first physical sub-frame cell S 43 is by first module S11 and second unit
S12 forms.A kind of optional mode is, the second physical sub-frame cell S 45 by first module S11 and
Second unit S12 forms.Another kind of optional mode is that the second physical sub-frame cell S 45 is by first
Cell S 11, second unit S12 and the 3rd cell S 21 form.Another kind of optional mode is, the
Two physical sub-frame cell S 45 are made up of first module S11, second unit S12 and the 4th cell S 31.
Another kind of optional mode is that the second physical sub-frame cell S 45 is by first module S11, second unit
S12, the 3rd cell S 21 and the 4th cell S 31 form.
Those skilled in the art it will be appreciated that here in conjunction with the disclosed embodiments describe various exemplary
Method step and device unit all can be with electronic hardware, software or the two be implemented in combination in.In order to clearly
Interchangeability between hardware and software is shown to Chu, above to various exemplary steps and unit all with
Its functional form carries out description generally.This functional be to realize with hardware or real with software
Now depend on the design constraint that specific application is realized with whole system.Those skilled in the art can pin
To each specific application, realize described functional in many ways, but the knot of this realization
Fruit should not be construed as and deviates from the scope of the present invention.
Utilize general processor, digital signal processor (DSP), special IC (ASIC), show
Field programmable gate array (FPGA) or other programmable logical device, discrete gate or transistor
Logic, discrete hardware components or the combination in any among them, it is possible to achieve or perform to combine public here
The various exemplary unit that the embodiment opened describes.General processor is probably microprocessor, but
In another kind of situation, this processor be probably the processor of any routine, controller, microcontroller or
State machine.Processor is likely to be implemented as the combination of calculating equipment, such as, and DSP and microprocessor
Combination, multi-microprocessor, the microprocessor of one or more combination DSP core or any its
His this kind of structure.
Step in conjunction with the method described by embodiment disclosed above can be embodied directly in hardware, by processing
The software module of device execution or the combination of both.Software module be likely to be present in RAM memory,
Flash memory, ROM memory, eprom memory, eeprom memory, depositor, hard disk,
In the storage media of mobile disk, CD-ROM or any other form well known in the art.A kind of allusion quotation
Type storage media couples with processor, so that processor can read information from this storage media, and
Can be to this storage media write information.In replacing example, storage media is the ingredient of processor.Place
Reason device and storage media are likely to be present in an ASIC.This ASIC is likely to be present in a subscriber station
In.Replacing in example at one, processor and storage media can be deposited as the discrete assembly in subscriber station
?.
According to described disclosed embodiment, so that those skilled in the art are capable of or use this
Invention.To those skilled in the art, the various amendments of these embodiments are apparent from, and
And the general principles defined here can also be applied on the basis of without departing from the scope and spirit of the present invention
Other embodiments.Embodiment described above is only presently preferred embodiments of the present invention, not in order to limit
The present invention processed, all within the spirit and principles in the present invention, any amendment, the equivalent made, change
Enter, should be included within the scope of the present invention.
Claims (52)
1. a communication means, it is characterised in that including:
Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；
By described control field and the data field polymerization formation including one or more continuous son field
Reason subframe；
When sending described physical sub-frame, in physical layer, described control field is modulated.
2. the method for claim 1, it is characterised in that described control field also includes receiving
Site identity.
3. method as claimed in claim 2, it is characterised in that described data field is by a business
Son field, at least one superelevation is handled up Medium Access Control (MAC) Protocol Data Unit UHT-MPDU son field, and one
Individual afterbody fills son field composition.
4. method as claimed in claim 3, it is characterised in that described UHT-MPDU son field by
One MAC header field, a Medium Access Control (MAC) Service Data Unit field, and a Frame Check Sequence fields group
Become.
5. method as claimed in claim 4, it is characterised in that described MAC header field includes length
Territory, for carrying the length information of described UHT-MPDU son field.
6. method as claimed in claim 4, it is characterised in that described MAC header field includes address
1 territory, is used for carrying described receiving station mark.
7. the method as described in any one of claim 1 to 6, it is characterised in that described transmitting station
It is designated the address of transmitting station.
8. the method as described in claim 2 or 6, it is characterised in that described receiving station is designated
The address of receiving station.
9. a communication means, it is characterised in that including:
Generate long preambles HT-LTF field；
Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；
By described HT-LTF field, control field and the data word including one or more continuous son field
Duan Juhe forms physical sub-frame；
When sending described physical sub-frame, in physical layer, described control field is modulated.
10. method as claimed in claim 9, it is characterised in that described control field also includes receiving
Site identity.
11. methods as claimed in claim 10, it is characterised in that described data field is by an industry
Business son field, at least one superelevation handles up Medium Access Control (MAC) Protocol Data Unit UHT-MPDU son field, and
One afterbody fills son field composition.
12. methods as claimed in claim 11, it is characterised in that described UHT-MPDU son field
By a MAC header field, a Medium Access Control (MAC) Service Data Unit field, and a Frame Check Sequence fields
Composition.
13. methods as claimed in claim 12, it is characterised in that described MAC header field includes long
Degree territory, for carrying the length information of described UHT-MPDU son field.
14. methods as claimed in claim 12, it is characterised in that described MAC header field includes ground
Territory, location 1, is used for carrying described receiving station mark.
15. methods as described in any one of claim 9 to 14, it is characterised in that described dispatching station
Point identification is the address of transmitting station.
16. methods as described in claim 10 or 14, it is characterised in that described receiving station identifies
Address for receiving station.
17. 1 kinds of communication means, it is characterised in that including:
Generate signal HT-SIG field；
Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；
By described HT-SIG field, control field and the data word including one or more continuous son field
Duan Juhe forms physical sub-frame；
When sending described physical sub-frame, it is modulated in control field described in physical layer.
18. methods as claimed in claim 17, it is characterised in that described control field also includes connecing
Receive site identity.
19. methods as claimed in claim 18, it is characterised in that described data field is by an industry
Business son field, at least one superelevation handles up Medium Access Control (MAC) Protocol Data Unit UHT-MPDU son field, and
One afterbody fills son field composition.
20. methods as claimed in claim 19, it is characterised in that the sub-word of described UHT-MPDU
Duan Youyi MAC header field, a Medium Access Control (MAC) Service Data Unit field, and a Frame Check Sequence word
Duan Zucheng.
21. methods as claimed in claim 20, it is characterised in that described MAC header field includes long
Degree territory, for carrying the length information of described UHT-MPDU son field.
22. methods as claimed in claim 20, it is characterised in that described MAC header field includes ground
Territory, location 1, is used for carrying described receiving station mark.
23. methods as described in any one of claim 17 to 22, it is characterised in that described dispatching station
Point identification is the address of transmitting station.
24. methods as described in claim 18 or 22, it is characterised in that described receiving station identifies
Address for receiving station.
25. 1 kinds of communication means, it is characterised in that including:
Generate long preambles HT-LTF field and signal HT-SIG field；
Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；
By described HT-LTF field, HT-SIG field, control field with include one or more continuous son
The data field polymerization of field forms physical sub-frame；
When sending described physical sub-frame, in physical layer, described control field is modulated.
26. methods as claimed in claim 25, it is characterised in that described control field also includes connecing
Receive site identity.
27. methods as claimed in claim 26, it is characterised in that described data field is by an industry
Business son field, at least one superelevation handles up Medium Access Control (MAC) Protocol Data Unit UHT-MPDU son field, and
One afterbody fills son field composition.
28. methods as claimed in claim 27, it is characterised in that the sub-word of described UHT-MPDU
Duan Youyi MAC header field, a Medium Access Control (MAC) Service Data Unit field, and a Frame Check Sequence word
Duan Zucheng.
29. methods as claimed in claim 28, it is characterised in that described MAC header field includes long
Degree territory, for carrying the length information of described UHT-MPDU son field.
30. methods as claimed in claim 28, it is characterised in that described MAC header field includes ground
Territory, location 1, is used for carrying described receiving station mark.
31. methods as described in any one of claim 25 to 30, it is characterised in that described dispatching station
Point identification is the address of transmitting station.
32. methods as claimed in claim 26, it is characterised in that described receiving station is designated and connects
Receive the address of website.
33. 1 kinds of communication means, it is characterised in that including:
Generate preamble field；
Generate signal HT-SIG field, data long preambles field and extension long preambles field；
By described HT-SIG field, data long preambles field, extension long preambles field and the first physics
Frame aggregation forms the first subframe；Described first physical sub-frame is adopted and is generated with the following method:
Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；
By described control field and the data field polymerization formation the that includes one or more continuous son field
One physical sub-frame；
At least one second physical sub-frame polymerization is formed the second subframe；Described second physical sub-frame uses such as
One of lower method generates:
Generate and include transmitting station mark and for calculating the control field of the information of network allocation vector；Will
Described control field and the data field polymerization including one or more continuous son field form the second physics
Frame；Or,
Generate long preambles HT-LTF field；Generation includes transmitting station mark and for calculating network allocation
The control field of the information of vector；By described HT-LTF field, control field with include one or more
The data field polymerization of son field forms the second physical sub-frame continuously；Or,
Generate signal HT-SIG field；Generation includes transmitting station mark and vows for calculating network allocation
The control field of the information of amount；By described HT-SIG field, control field with include one or more company
The data field polymerization of continuous son field forms the second physical sub-frame；Or,
Generate long preambles HT-LTF field and signal HT-SIG field；Generation includes that transmitting station identifies
Control field with the information for calculating network allocation vector；By described HT-LTF field, HT-SIG
Field, control field and include one or more continuous son field data field polymerization formed the second physics
Subframe；
The polymerization of described preamble field, the first subframe and the second subframe is formed physical layer superframe；
When sending described physical layer superframe, in physical layer, described control field is modulated.
34. methods as claimed in claim 33, it is characterised in that described control field also includes connecing
Receive site identity.
35. methods as claimed in claim 34, it is characterised in that described data field is by an industry
Business son field, at least one superelevation handles up Medium Access Control (MAC) Protocol Data Unit UHT-MPDU son field, and
One afterbody fills son field composition.
36. methods as claimed in claim 35, it is characterised in that the sub-word of described UHT-MPDU
Duan Youyi MAC header field, a Medium Access Control (MAC) Service Data Unit field, and a Frame Check Sequence word
Duan Zucheng.
37. methods as claimed in claim 36, it is characterised in that described MAC header field includes long
Degree territory, for carrying the length information of described UHT-MPDU son field.
38. methods as claimed in claim 36, it is characterised in that described MAC header field includes ground
Territory, location 1, is used for carrying described receiving station mark.
39. methods as described in any one of claim 33 to 38, it is characterised in that described dispatching station
Point identification is the address of transmitting station.
40. methods as described in claim 34 or 38, it is characterised in that described receiving station identifies
Address for receiving station.
41. 1 kinds of communication means, it is characterised in that including:
When receiving physical sub-frame, untie described physical sub-frame in physical layer, obtain network allocation vector information
Address information and the modulation system of correspondence thereof with transmitting station；Wherein, described physical sub-frame is by control word
Section and data field are polymerized, and described control field includes transmitting station mark and divides for calculating network
Joining the information of vector, described data field includes one or more continuous son field；
Update network allocation vector and carry out subsequent demodulation.
42. methods as claimed in claim 41, it is characterised in that described control field also includes connecing
Receive site identity.
43. methods as claimed in claim 42, it is characterised in that described physical sub-frame is by long preambles
HT-LTF field, described control field and include one or more continuous son field data field polymerization
Formed.
44. methods as claimed in claim 42, it is characterised in that described physical sub-frame is by generating letter
Number HT-SIG field, described control field and include that the data field of one or more continuous son field gathers
Close and formed.
45. methods as claimed in claim 42, it is characterised in that described physical sub-frame is by long preambles
HT-LTF field, generate signal HT-SIG field, described control field and include one or more continuously
The data field polymerization of son field is formed.
46. methods as described in any one of claim 43,44 or 45, it is characterised in that described number
According to field by a business son field, at least one superelevation is handled up Medium Access Control (MAC) Protocol Data Unit
UHT-MPDU son field, and an afterbody filling son field composition.
47. methods as claimed in claim 46, it is characterised in that the sub-word of described UHT-MPDU
Duan Youyi MAC header field, a Medium Access Control (MAC) Service Data Unit field, and a Frame Check Sequence word
Duan Zucheng.
48. methods as claimed in claim 47, it is characterised in that described MAC header field includes long
Degree territory, for carrying the length information of described UHT-MPDU son field.
49. methods as claimed in claim 47, it is characterised in that described MAC header field includes ground
Territory, location 1, is used for carrying described receiving station mark.
50. methods as claimed in claim 41, it is characterised in that described transmitting station is designated to be sent out
See off address a little.
51. methods as claimed in claim 41, it is characterised in that described control field uses two-phase
Phase-shift keying BPSK, 1/2 code check modulation.
52. methods as claimed in claim 42, it is characterised in that described receiving station is designated and connects
Receive the address of website.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094109.6A CN103916386B (en) | 2009-09-29 | 2009-09-29 | Data sending and receiving method |
| CN200910235583.5A CN101714896B (en) | 2009-09-29 | 2009-09-29 | Communication means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910235583.5A CN101714896B (en) | 2009-09-29 | 2009-09-29 | Communication means |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410094109.6A Division CN103916386B (en) | 2009-09-29 | 2009-09-29 | Data sending and receiving method |
| CN201410095874.XA Division CN103916178A (en) | 2009-09-29 | 2009-09-29 | Data sending and receiving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101714896A CN101714896A (en) | 2010-05-26 |
| CN101714896B true CN101714896B (en) | 2016-11-02 |
Family
ID=42418194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910235583.5A Active CN101714896B (en) | 2009-09-29 | 2009-09-29 | Communication means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101714896B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769854B (en) * | 2011-05-05 | 2015-04-01 | 中国科学院微电子研究所 | Transmission method of super-high-speed WLAN (Wireless Local Area Network) network |
| US9088908B2 (en) * | 2011-06-08 | 2015-07-21 | Marvell World Trade Ltd. | Efficient transmission for low data rate WLAN |
| US9078169B2 (en) * | 2011-08-18 | 2015-07-07 | Marvell World Trade Ltd. | Signal field design for WLAN |
| CN103002591B (en) * | 2011-09-15 | 2015-09-30 | 华为技术有限公司 | A kind of the method for NAV control, device, system and node are carried out to node |
| CN102595494A (en) * | 2012-02-07 | 2012-07-18 | 北京新岸线无线技术有限公司 | Data transmission method and data transmission device |
| CN106031123A (en) * | 2014-03-28 | 2016-10-12 | 英特尔Ip公司 | Improved signalling field in uplink MU-MIMO |
| US9900199B2 (en) | 2014-05-06 | 2018-02-20 | Qualcomm Incorporated | Systems and methods for improvements to training field design for increased symbol durations |
| CN106233688B (en) * | 2014-05-16 | 2019-07-19 | 华为技术有限公司 | A kind of aggregate frame design method and device |
| CN107078790B (en) | 2014-09-19 | 2019-09-03 | 华为技术有限公司 | A kind of wireless local area network data transmission method and device |
| US10257857B2 (en) * | 2015-09-28 | 2019-04-09 | Newracom, Inc. | Apparatus and methods for TXOP duration field in PHY header |
| CN113014366B (en) * | 2016-12-14 | 2022-02-01 | 华为技术有限公司 | Control information indication method and network element |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599341A (en) * | 2003-09-18 | 2005-03-23 | 西安电子科技大学 | Multi-rate transmission method of radio local network |
| CN1764157A (en) * | 2004-10-19 | 2006-04-26 | 株式会社东芝 | Communication apparatus and method |
| CN101166187A (en) * | 2006-10-20 | 2008-04-23 | 鲍东山 | New construction method for OFDM 802.11 network physical frame and MAC frame |
| WO2009027931A2 (en) * | 2007-08-31 | 2009-03-05 | Koninklijke Philips Electronics N.V. | Enhanced multi-user transmission |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7463642B2 (en) * | 2004-04-07 | 2008-12-09 | Cisco Technology, Inc. | Multiple receiver aggregation |
| CN101163130A (en) * | 2006-10-13 | 2008-04-16 | 株式会社Ntt都科摩 | Method and system of processing frame collision |
-
2009
- 2009-09-29 CN CN200910235583.5A patent/CN101714896B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599341A (en) * | 2003-09-18 | 2005-03-23 | 西安电子科技大学 | Multi-rate transmission method of radio local network |
| CN1764157A (en) * | 2004-10-19 | 2006-04-26 | 株式会社东芝 | Communication apparatus and method |
| CN101166187A (en) * | 2006-10-20 | 2008-04-23 | 鲍东山 | New construction method for OFDM 802.11 network physical frame and MAC frame |
| WO2009027931A2 (en) * | 2007-08-31 | 2009-03-05 | Koninklijke Philips Electronics N.V. | Enhanced multi-user transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101714896A (en) | 2010-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101714896B (en) | Communication means | |
| US11202279B2 (en) | Method and apparatus for processing data in wireless communication system | |
| CN106550457B (en) | A kind of resource allocation methods and device | |
| CN1830171B (en) | Method and apparatus for packet aggregation in a wireless communication network | |
| CN102792628B (en) | Be used for transmission method and the device of the downlink OFDMA of the service groups with mixed-client type | |
| CN103875224B (en) | Data transmission method and device | |
| US11096044B2 (en) | Method and apparatus for reporting user equipment capability in wireless communication system | |
| CN101374331B (en) | Method, system and equipment for configuring wireless link control layer sequence number | |
| CN107771401A (en) | For asking buffer state reports to realize the method and apparatus of multiple user uplink media access control protocol in the wireless network | |
| CN106464354A (en) | Method and apparatus for transmitting frame | |
| CN104852777B (en) | Multiple target convergence transmission method and relevant device and system | |
| CN109041121A (en) | The method and apparatus for supporting the operation of RLC UM mode | |
| CN103703829B (en) | A kind of data transmission method and device | |
| EP3713122A1 (en) | Method for replying with acknowledgement frame, apparatus, and data transmission system | |
| CN110199541B (en) | Method and apparatus for processing data in a wireless communication system | |
| CN108419297A (en) | Wireless communications method and radio reception device, network planning equipment, terminal device | |
| CN103974447B (en) | Data transmission method, device and system | |
| CN105356984A (en) | Method and apparatus for activating carriers in mobile communication system | |
| CN108024362A (en) | Transmit timing information sending method, method of reseptance and device | |
| CN102571308B (en) | The method that wireless communication system process Dynamic Packet retransmits and relevant apparatus | |
| CN108811154A (en) | Data pack transmission method and equipment | |
| CN106465183A (en) | Data transmission method, device and system | |
| CN107155181A (en) | Handle method, user equipment and the base station of capability information of user facility | |
| JP2020526990A (en) | Signal transmission / reception method in wireless LAN system and equipment for that purpose | |
| CN109246833A (en) | Carrying configures determining, method for sending information and device, master base station and prothetic group station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |