CN105101435B - The method and apparatus of data transmission - Google Patents

The method and apparatus of data transmission Download PDF

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Publication number
CN105101435B
CN105101435B CN201510456206.XA CN201510456206A CN105101435B CN 105101435 B CN105101435 B CN 105101435B CN 201510456206 A CN201510456206 A CN 201510456206A CN 105101435 B CN105101435 B CN 105101435B
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China
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data
sta
type
sent
network equipment
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CN201510456206.XA
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Chinese (zh)
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CN105101435A (en
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不公告发明人
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魅族科技(中国)有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/0406Wireless resource allocation involving control information exchange between nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/0486Wireless resource allocation where an allocation plan is defined based on load

Abstract

The embodiment of the present invention provides a kind of method and apparatus of data transmission, this method comprises: site STA generates message frame, the message frame determines that the uplink time/frequency source of the STA configures according to the message frame for access point AP, wherein, the message frame carries following message: the transmission duration of the data of the data type and STA transmission for the data that there is the STA instruction information of data transfer demands, the STA to send;The STA sends the message frame to the AP.Therefore, the embodiment of the present invention sends its data transmission parameters to AP by website, so that AP obtains the related data configured transmission of website data to be sent in advance, in order to which AP is the relevant configuration informations such as the running time-frequency resource that website distribution carries out transmitting uplink data.

Description

The method and apparatus of data transmission

Technical field

The present invention relates to the communications fields, and more particularly, in a kind of WLAN data transmit method and Equipment.

Background technique

(English: Wireless-Fidelity writes a Chinese character in simplified form: Wi-Fi) technology is also referred to as efficiently wireless for next-generation Wireless Fidelity Local area network (English: High efficiency WLAN writes a Chinese character in simplified form: HEW) technology, the vision that HEW is proposed is: with existing Wi-Fi Technology is compared, and be can be realized higher region handling capacity and is applicable in the communication environment of more crypto set;Improve effective benefit of frequency spectrum With efficiency, improve user experience (English: Quality of Experience writes a Chinese character in simplified form: QoE).

In order to improve the utilization efficiency of frequency spectrum, 802.11ax task groups will using orthogonal frequency division multiple access (English: Orthogonal Frequency Division Multiple Access, writes a Chinese character in simplified form: OFDMA) carry out data transmission, In OFDMA system, site STA s will be the running time-frequency resource of its distribution according to access point (English: Access Point writes a Chinese character in simplified form: AP) Equal configuration informations carry out the transmission of uplink data frames, and AP is divided by sending downlink trigger frame to STAs with being designated as STAs in advance The configuration informations such as the running time-frequency resource matched.Therefore, AP needs to know whether STAs has data before sending trigger frame to website The data such as the data type of the size of data of the data that the demand of transmission, STAs need to transmit and STAs data to be sent Configured transmission.

However, there is no the related data transmission how regulation AP obtains STAs data to be sent in the conventional method Parameter, therefore there is an urgent need for mention going out a kind of data transmission parameters for enabling to AP to understand transmission needed for STAs in advance perhaps.

Summary of the invention

The embodiment of the present invention provides a kind of method of data transmission in WLAN, enables to the network equipment to stand Before point distribution uplink time/frequency source, the related data configured transmission of website data to be sent is obtained in advance.

In a first aspect, providing a kind of method of data transmission in WLAN, comprising: site STA generates message frame, institute It states message frame and determines that the uplink time/frequency source of the STA configures according to the message frame for access point AP, wherein the message Frame carries following message: the data type for the data that there is the STA instruction information of data transfer demands, the STA to send With the transmission duration of the STA data sent;The STA sends the message frame to the AP.

With reference to first aspect, in the first possible implementation of the first aspect, the method also includes: receive institute The trigger frame of AP transmission is stated, when the trigger frame carries the AP according to the uplink that the message frame is STA distribution Frequency resource distribution.

With reference to first aspect or the first possible implementation of first aspect, second in first aspect are possible In implementation, there is the STA information of data transfer demands to carry in media access control protocol data unit MAC PDU MAC header the domain More Data in.

With reference to first aspect or the first to second possible implementation of first aspect, in the third of first aspect In possible implementation, the data type for the data that the STA is sent is carried in the type field of the MAC header of MAC PDU, In, the data type for the data that the STA is sent includes following at least one: sound-type, video type, as far as possible service type And background type.

With reference to first aspect or first aspect first to the third possible implementation, in the 4th institute of first aspect The transmission duration for stating the data of STA transmission carries in the extension field of the MAC header of MAC PDU.

Second aspect provides a kind of method of data transmission in WLAN, comprising: what receiving station STA was sent Message frame, the message frame of the STA carry following message: the STA has the instruction information of data transfer demands, the STA The transmission duration for the data that the data type of the data of transmission and the STA are sent;According to the message frame that the STA is sent, it is The STA carries out uplink time/frequency source configuration.

In conjunction with second aspect, in the first possible implementation of the second aspect, the method also includes: to described STA sends trigger frame, and the uplink time/frequency source configuration that the AP is STA configuration is carried in the trigger frame.

In conjunction with the possible implementation of the first of second aspect or second aspect, second in second aspect is possible In implementation, there is the STA information of data transfer demands to carry in media access control protocol data unit MAC PDU MAC header the domain More Data in.

In conjunction with the first to second possible implementation of second aspect or second aspect, in the third of second aspect In possible implementation, the data type for the data that the STA is sent is carried in the type field of the MAC header of MAC PDU, In, the data type for the data that the STA is sent includes following at least one: sound-type, video type, as far as possible service type And background type.

In conjunction with second aspect or second aspect first to the third possible implementation, at the 4th kind of second aspect In possible implementation, the transmission duration for the data that the STA is sent is carried in the extension field of the MAC header of MAC PDU.

The third aspect provides a kind of equipment, comprising: generation unit, the generation unit are described to disappear for generating message frame Breath frame determines that the uplink time/frequency source of the network equipment configures according to the message frame for access point AP, wherein described to disappear It ceases frame and carries following message: the number that there is the network equipment instruction information of data transfer demands, the network equipment to send According to data type and the network equipment send data transmission duration;Transmission unit, the transmission unit are used for institute It states AP and sends the message frame.

In conjunction with the third aspect, in the first possible implementation of the third aspect, the equipment further includes receiving list Member, the receiving unit are used to receive the trigger frame that the AP is sent, and the trigger frame carries the AP according to the message frame For the uplink time/frequency source configuration of network equipment distribution.

In conjunction with the possible implementation of the first of the third aspect or the third aspect, second in the third aspect is possible In implementation, there is the network equipment information of data transfer demands to carry in media access control protocol data unit In the domain More Data of the MAC header of MAC PDU.

In conjunction with the first to second possible implementation of the third aspect or the third aspect, in the third of the third aspect In possible implementation, the data type for the data that the network equipment is sent carries the type field in the MAC header of MAC PDU In, wherein the data type for the data that the network equipment is sent includes following at least one: sound-type, is use up video type Measure service type and background type.

In conjunction with the third aspect or the third aspect first to the third possible implementation, at the 4th kind of the third aspect In possible implementation, the transmission duration for the data that the network equipment is sent carries the extension field in the MAC header of MAC PDU In.

Fourth aspect provides a kind of equipment, comprising: receiving unit, the receiving unit are sent for receiving station STA Message frame, the message frame of the STA carry following message: the STA has the instruction information of data transfer demands, the STA The transmission duration for the data that the data type of the data of transmission and the STA are sent;Configuration unit, the configuration unit are used for root According to the message frame that the STA is sent, uplink time/frequency source configuration is carried out for the STA.

In conjunction with fourth aspect, in the first possible implementation of the fourth aspect, the network equipment further includes hair Unit is sent, the transmission unit is used to send trigger frame to the STA, and it is that the STA matches that the AP is carried in the trigger frame The running time-frequency resource set.

In conjunction with the possible implementation of the first of fourth aspect or fourth aspect, second in fourth aspect is possible In implementation, there is the STA information of data transfer demands to carry in media access control protocol data unit MAC PDU MAC header the domain More Data in.

In conjunction with the first to second possible implementation of fourth aspect or fourth aspect, in the third of fourth aspect In possible implementation, the data type for the data that the STA is sent is carried in the type field of the MAC header of MAC PDU, In, the data type for the data that the STA is sent includes following at least one: sound-type, video type, as far as possible service type And background type.

In conjunction with fourth aspect or fourth aspect first to the third possible implementation, at the 4th kind of fourth aspect In possible implementation, the transmission duration for the data that the STA is sent is carried in the extension field of the MAC header of MAC PDU.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, it is sent to AP by website Data transmission parameters, so that AP obtains the related data configured transmission of website data to be sent in advance, in order to which AP is Website distribution carries out the relevant configuration informations such as the running time-frequency resource of transmitting uplink data, so that OFDMA technology exists It can implement in 802.11ax, and then improve the availability of frequency spectrum in wireless communication.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention Attached drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is a kind of schematic flow chart of the method for data transmission of the embodiment of the present invention.

Fig. 2 is a kind of schematic flow chart of the method for data transmission of another embodiment of the present invention.

Fig. 3 is a kind of schematic diagram of data frame structure of the embodiment of the present invention.

Fig. 4 is a kind of schematic interaction figure of the method for data transmission of the embodiment of the present invention.

Fig. 5 is a kind of schematic block diagram of equipment of the embodiment of the present invention.

Fig. 6 is a kind of schematic block diagram of equipment of another embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work Example is applied, all should belong to the scope of protection of the invention.

Fig. 1 is a kind of schematic flow chart of the method for data transmission of the embodiment of the present invention, the executing subject of this method It can be website, as shown in Figure 1, this method 100 includes:

110, site STA generates message frame, when which determines the uplink of STA according to the message frame for access point AP Frequency resource distribution, wherein the message frame carries following message: there is STA the instruction information of data transfer demands, STA to send The transmission duration for the data that the data type and STA of data are sent.

120, STA send above-mentioned message frame to AP.

For step 110, in OFDMA system, when multiple websites carry out data transmission simultaneously, need to carry out running time-frequency resource Multiplexing, in order to allow AP to be each website carries out running time-frequency resource in multiple websites distribution, AP needs sending to be each Before the running time-frequency resource configuration information of AP distribution, the data transmission parameters of each website in multiple websites have just been understood, thus The running time-frequency resource configuration of each website distribution in multiple websites according to the data parameters, can be determined as, it should be appreciated that AP can also be with Other configurations relevant to data transmission are determined according to data transmission parameters, and the invention is not limited thereto.

Specifically, after step 120, it after AP receives the message frame that STA is sent to it, replys and confirms to the STA (English: Acknowledgement writes a Chinese character in simplified form: ACK), which will send out frame for informing that the STA AP has received the message frame Send trigger frame to the STA.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, it is sent to AP by website Data transmission parameters, so that AP obtains the related data configured transmission of website data to be sent in advance, in order to which AP is Website distribution carries out the relevant configuration informations such as the running time-frequency resource of transmitting uplink data.

Optionally, as one embodiment of the invention, method further include: receive the trigger frame that AP is sent, which takes The running time-frequency resource distributed with AP according to above-mentioned message frame for STA.

Optionally, as one embodiment of the invention, there is STA the information of data transfer demands to carry in media access control In the domain More Data of the MAC header of protocol Data Unit MAC PDU processed.

Specifically, the information of data transfer demands can be carried on media access control (English: Medium by STA Access Control, referred to as: MAC) protocol Data Unit (English: Protocol Data Unit, referred to as: PDU) in, it is used in combination More data field More data fields in the MAC header of the MAC PDU identify the demand whether STA there are data to transmit, When the bit filled in the domain More data is " 1 ", the demand that the STA has data transmission is identified;As the More data When the bit filled in domain is " 0 ", the demand that the STA does not have data transmission is identified.

Optionally, the data type of the data sent as one embodiment of the invention, STA carries the MAC in MAC PDU In the type field of head, wherein the data type of data that STA is sent includes following at least one: sound-type, video type, Service type and background type as far as possible.

Specifically, the data type of the STA data sent can be carried on MAC during being communicated with AP by STA In the type domain subdomain Type and the domain subtype subdomain Subtype of head, as shown in table 1.

Table 1

As illustrated in chart 1, it by two padding bytes bits " 11 " of B2 and B3 in the domain Type, is used to indicate in Type The data type for the data that STA to be sent can be indicated in the domain Subtype after value.For example, can be in B4B5B6B7 tetra- Filling bit " 0001 " indicates that the data type of transmission is voice data type in a byte, and filling bit " 0010 " indicates transmission Data type be video data type, filling bit " 0011 " indicates that the data type of transmission is service data type as far as possible, Filling bit " 0100 " indicates that the data type of transmission is background data type.

It should be understood that the other bit combinations filled on the domain Type and Subtype subdomain can be used for indicating that data pass Defeated type, the filling of above-mentioned bit, the classification of data type and corresponding relationship between the two are only exemplary, The invention is not limited thereto.

Optionally, the transmission duration of the data sent as one embodiment of the invention, STA carries the MAC in MAC PDU In the extension field of head.

Specifically, the Control Frame Extension value (B11 B10 B9 B8) four in mac frame head can be used A bit indicates will to transmit the durations of data, and for example " 0001 " indicates 1 duration, and wherein the unit of duration can define For 4us.It should be understood that the filling of above-mentioned bit, the transmission duration of data and corresponding relationship between the two are only example Property, the invention is not limited thereto.

Method provided in an embodiment of the present invention can be before AP sends trigger frame to STA, and having been able to understanding website will The data to be transmitted transmission ginseng, comprising: the data type of data that there are STA data transfer demands, STA to need to transmit and The transmission duration for the data that STA needs to transmit.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, it is sent to AP by website Data transmission parameters, so that AP obtains the related data configured transmission of website data to be sent in advance, in order to which AP is Website distribution carries out the relevant configuration informations such as the running time-frequency resource of transmitting uplink data, so that OFDMA technology exists It can implement in 802.11ax, and then improve the availability of frequency spectrum in wireless communication.

Fig. 2 is a kind of schematic flow chart of the method for data transmission of another embodiment of the present invention, the execution of this method Main body can be access point AP, as shown in Fig. 2, this method 200 includes:

The message frame that 210, receiving station STA are sent, the message frame of the STA carry following message: STA is transmitted with data The transmission duration for the data that the data type and STA for the data that the instruction information of demand, STA are sent are sent.

220, according to the message frame that STA is sent, uplink time/frequency source configuration is carried out for STA.

For step 210, in OFDMA system, when multiple websites carry out data transmission simultaneously, need to carry out running time-frequency resource Multiplexing, in order to allow AP to be each website carries out running time-frequency resource in multiple websites distribution, AP needs sending to be each Before the running time-frequency resource configuration information of AP distribution, the data transmission parameters of each website in multiple websites have just been understood, thus The running time-frequency resource configuration of each website distribution in multiple websites according to the data parameters, can be determined as, it should be appreciated that AP can also be with Other configurations relevant to data transmission are determined according to data transmission parameters, and the invention is not limited thereto.

Specifically, after step 210, it after AP receives the message frame that STA is sent to it, replys and confirms to the STA (English: Acknowledgement writes a Chinese character in simplified form: ACK), the ACK is for informing that the STA AP will send trigger frame and give the STA for frame.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, it is sent to AP by website Data transmission parameters, so that AP obtains the related data configured transmission of website data to be sent in advance, in order to which AP is Website distribution carries out the relevant configuration informations such as the running time-frequency resource of transmitting uplink data.

Optionally, as one embodiment of the invention, the above method further include: trigger frame is sent to STA, in the trigger frame Carry the uplink time/frequency source configuration that AP is STA configuration.

Optionally, as one embodiment of the invention, there is STA the information of data transfer demands to carry in media access control In the domain More Data of the MAC header of protocol Data Unit MAC PDU processed.

Specifically, the information of data transfer demands can be carried on media access control (English: Medium by STA Access Control, referred to as: MAC) protocol Data Unit (English: Protocol Data Unit, referred to as: PDU) in, it is used in combination More data field More data fields in the MAC header of the MAC PDU identify the demand whether STA there are data to transmit, When the bit filled in the domain More data is " 1 ", the demand that the STA has data transmission is identified;As the More data When the bit filled in domain is " 0 ", the demand that the STA does not have data transmission is identified.

Optionally, the data type of the data sent as one embodiment of the invention, STA carries the MAC in MAC PDU In the type field of head, wherein the data type of data that STA is sent includes following at least one: sound-type, video type, Service type and background type as far as possible.

Specifically, STA, can be by the data of the STA data sent during being communicated with AP

Type is carried in the domain Type and the domain Subtype of MAC header, as shown in table 1.

As illustrated in chart 1, it by two padding bytes bits " 11 " of B2 and B3 in the domain Type, is used to indicate in Type The data type for the data that STA to be sent can be indicated in the domain Subtype after value.For example, can be in B4 B5 B6 Filling bit " 0001 " indicates that the data type of transmission is voice data type in tetra- bytes of B7, and filling bit " 0010 " indicates The data type of transmission is video data type, and filling bit " 0011 " indicates the data type of transmission for service data class as far as possible Type, filling bit " 0100 " indicate that the data type of transmission is background data type.

It should be understood that the other bit combinations filled on the domain Type and Subtype subdomain can be used for indicating that data pass Defeated type, the filling of above-mentioned bit, the classification of data type and corresponding relationship between the two are only exemplary, The invention is not limited thereto,

Optionally, the transmission duration of the data sent as one embodiment of the invention, STA carries the MAC in MAC PDU In the extension field of head.

Specifically, the Control Frame Extension value (B11 B10 B9 B8) four in mac frame head can be used A bit indicates will to transmit the durations of data, and for example " 0001 " indicates 1 duration, and wherein the unit of duration can define For 4us.It should be understood that the filling of above-mentioned bit, the transmission duration of data and corresponding relationship between the two are only example Property, the invention is not limited thereto.

Method provided in an embodiment of the present invention can be before AP sends trigger frame to STA, and having been able to understanding website will The data to be transmitted transmission ginseng, comprising: the data type of data that there are STA data transfer demands, STA to need to transmit and The transmission duration for the data that STA needs to transmit.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, it is sent to AP by website Data transmission parameters, so that AP obtains the related data configured transmission of website data to be sent in advance, in order to which AP is Website distribution carries out the relevant configuration informations such as the running time-frequency resource of transmitting uplink data, so that OFDMA technology exists It can implement in 802.11ax, and then improve the availability of frequency spectrum in wireless communication.

Fig. 3 is a kind of schematic diagram of data frame structure of the embodiment of the present invention.

As shown in figure 3, showing multiple fields in mac frame head, this multiple field is respectively protocol version Protocol Version field, Type type field, Subtype sub-type field, the extension of Control Frame Extention control frame Field, Power Management power management field, More Data more multi-field, Protected Frame protect frame field With Order order field.Fig. 3 shows the occupied number of bits of each field and the corresponding number B1- of bit simultaneously B15。

Optionally, as one embodiment of the invention, whether STAs, which also has data to, is sent, and STAs is communicated with AP During, it can identify whether to have data to transmit in the domain More Data of the MAC header part of the MPDU of transmission, " 0 ": nothing " 1 ": data have data.

Optionally, as one embodiment of the invention, STAs, can be in MAC header during being communicated with AP Four bits of subdomain (B4 B5 B6 B7) of two bits of Type (B2 B3) and Subtype indicate the data that will be transmitted Access style, for example, when B2 B3 is " 11 ", indicate that the Subtype field after the type field will be used to indicate Data type when STA carries out data transmission, for another example indicating that STA is wanted when the filling bit of B5 B6 B7 B8 is " 0001 " The data type of transmission is voice data type, it should be appreciated that the filling of above-mentioned bit is all illustrative, the present invention is not limited to This.

Four bits of Control Frame Extension value (B11 B10 B9 B8) in mac frame head can be used It indicates that the duration of data will be transmitted, for example " 0001 " indicates 1 duration, and wherein the unit of duration can be defined as 4us, answer Understand, the filling of above-mentioned bit is all illustrative, and the invention is not limited thereto.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, website utilizes above-mentioned mac frame MAC header carries to AP and sends its data transmission parameters, so that AP obtains the related data of website data to be sent in advance Configured transmission, in order to which AP is the relevant configuration informations such as the running time-frequency resource that website distribution carries out transmitting uplink data, so as to So that OFDMA technology can be implemented in 802.11ax, and then improve the availability of frequency spectrum in wireless communication.

Fig. 4 is a kind of schematic interaction figure of the method for data transmission of the embodiment of the present invention.

As shown in figure 4, being respectively the biography that STA1, STA2 and STA3 need while carrying out upstream data there are three websites Defeated, before carrying out transmitting uplink data, three websites send message frame respectively to carry out data transmission to each website of AP transmission Parameter information.

Specifically, STA1 sends message frame to AP by step S401, carries STA1 in the message frame and carries out data transmission Parameter information, after AP receives the message frame of STA1, in step S402, AP to STA1 send ACK frame, inform the STA1 AP The message frame has been received, and trigger frame will be sent and give the STA1;Similarly, STA2 sends message to AP by step S403 Frame, after AP receives the message frame of STA2, in step s 404, AP sends ACK frame to STA2, informs that the STA2 AP has been received The message frame, and trigger frame will be sent and give the STA2;Similarly, STA3 sends message frame to AP by step S405, receives in AP To after the message frame of STA3, in step S406, AP sends ACK frame to STA3, informs that the STA3 AP has received the message frame, And trigger frame will be sent and give the STA3.

It should be understood that being only for example, the invention is not limited thereto with 3 websites in above-described embodiment, it is to be understood that In various embodiments of the present invention, magnitude of the sequence numbers of the above procedures are not meant that the order of the execution order, each process Execution sequence should be determined by its function and internal logic, and the implementation process of the embodiments of the invention shall not be constituted with any limitation.

In step S 407, AP sends trigger frame to each website by way of multicast or multicast, which takes It is the running time-frequency resource of STA distribution according to above-mentioned message frame with AP, in order to which each STA is the running time-frequency resource etc. of its distribution according to AP The transmission of relevant configuration information progress upstream data.Therefore, in the side of the communication of WLAN provided in an embodiment of the present invention In method, website is carried to AP using the MAC header of above-mentioned mac frame and sends its data transmission parameters, so that AP obtains website in advance The related data configured transmission of data to be sent, in order to which AP is the running time-frequency resource that website distribution carries out transmitting uplink data Etc. relevant configuration informations so that OFDMA technology can be implemented in 802.11ax, and then improve in wireless communication The availability of frequency spectrum.

Above in conjunction with Fig. 1 to Fig. 4, it is described in detail what data in WLAN according to an embodiment of the present invention were transmitted The network equipment 500 and the network equipment 600 according to an embodiment of the present invention is described in detail below in conjunction with Fig. 5 to Fig. 6 in method.Figure 5 be a kind of schematic block diagram of network equipment of the embodiment of the present invention.As shown in figure 5, the network equipment 500 includes:

Generation unit 510, generation unit are used for message frame, which determines network according to message frame for access point AP The uplink time/frequency source of equipment configures, wherein message frame carries following message: there is equipment the instruction of data transfer demands to believe The transmission duration for the data that the data type and the network equipment for the data that breath, the network equipment are sent are sent.

Transmission unit 520, transmission unit are used to send message frame to AP.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, website utilizes above-mentioned mac frame MAC header carries to AP and sends its data transmission parameters, so that AP obtains the related data of website data to be sent in advance Configured transmission, in order to which AP is the relevant configuration informations such as the running time-frequency resource that website distribution carries out transmitting uplink data.

Optionally, as one embodiment of the invention, the network equipment 500 further includes receiving unit, and receiving unit is for connecing The trigger frame that AP is sent is received, trigger frame carries running time-frequency resource of the AP according to message frame for network equipment distribution.

Optionally, as one embodiment of the invention, there is the network equipment 500 information of data transfer demands to carry in matchmaker In the domain More Data of the MAC header of body access control protocol data cell MAC PDU.

Optionally, the data type of the data sent as one embodiment of the invention, the network equipment 500 is carried in MAC In the type field of the MAC header of PDU, wherein the data type for the data that the network equipment is sent includes following at least one: language Sound type, video type, as far as possible service type and background type.

Optionally, the transmission duration of the data sent as one embodiment of the invention, the network equipment 500 is carried in MAC In the extension field of the MAC header of PDU.

It should be understood that the network equipment 500 according to an embodiment of the present invention can correspond to the WLAN of the embodiment of the present invention The executing subject of the method for middle data transmission, and above and other operation and/or the function of the modules in the network equipment 500 The each method and corresponding process in Fig. 1 to Fig. 4 can be realized respectively, for sake of simplicity, details are not described herein.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, website utilizes above-mentioned mac frame MAC header carries to AP and sends its data transmission parameters, so that AP obtains the related data of website data to be sent in advance Configured transmission, in order to which AP is the relevant configuration informations such as the running time-frequency resource that website distribution carries out transmitting uplink data, so as to So that OFDMA technology can be implemented in 802.11ax, and then improve the availability of frequency spectrum in wireless communication.Fig. 6 is the present invention A kind of schematic block diagram of network equipment of another embodiment.As shown in fig. 6, the network equipment 600 includes:

Receiving unit 610, receiving unit 610 is used for the message frame that receiving station STA is sent, under the message frame of STA carries Column information: the data that the data type and STA for the data that there is STA the instruction information of data transfer demands, STA to send are sent Transmit duration.

Configuration unit 620, configuration unit 620 are used for the message frame sent according to STA, carry out uplink time/frequency source for STA Configuration.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, website utilizes above-mentioned mac frame MAC header carries to AP and sends its data transmission parameters, so that AP obtains the related data of website data to be sent in advance Configured transmission, in order to which AP is the relevant configuration informations such as the running time-frequency resource that website distribution carries out transmitting uplink data.

Optionally, as one embodiment of the invention, the network equipment 600 further includes transmission unit, transmission unit be used for STA sends trigger frame, and the uplink time/frequency source configuration that AP is STA configuration is carried in trigger frame.

Optionally, as one embodiment of the invention, there is STA the information of data transfer demands to carry in media access control In the domain More Data of the MAC header of protocol Data Unit MAC PDU processed.

Optionally, the data type of the data sent as one embodiment of the invention, STA carries the MAC in MAC PDU In the type field of head, wherein the data type of data that STA is sent includes following at least one: sound-type, video type, Service type and background type as far as possible.

Optionally, the transmission duration of the data sent as one embodiment of the invention, STA carries the MAC in MAC PDU In the extension field of head.

It should be understood that the network equipment 600 according to an embodiment of the present invention can correspond to the WLAN of the embodiment of the present invention The executing subject of the method for middle data transmission, and above and other operation and/or the function of the modules in the network equipment 600 The each method and corresponding process in Fig. 1 to Fig. 4 can be realized respectively, for sake of simplicity, details are not described herein.

Therefore, in the method for the communication of WLAN provided in an embodiment of the present invention, website utilizes above-mentioned mac frame MAC header carries to AP and sends its data transmission parameters, so that AP obtains the related data of website data to be sent in advance Configured transmission, in order to which AP is the relevant configuration informations such as the running time-frequency resource that website distribution carries out transmitting uplink data, so as to So that OFDMA technology can be implemented in 802.11ax, and then improve the availability of frequency spectrum in wireless communication.

Those of ordinary skill in the art may be aware that each method in conjunction with described in the embodiments described herein walks Rapid and unit, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and soft The interchangeability of part, the step of according to function having generally described each embodiment in the above description and composition.These Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Ability Domain those of ordinary skill can use different methods to achieve the described function each specific application, but this reality Now it should not be considered as beyond the scope of the present invention.

The software journey that method or step described in conjunction with the examples disclosed in this document can be executed with hardware, processor The combination of sequence or the two is implemented.Software program can be placed in random access memory (RAM), memory, read-only memory (ROM), Institute is public in electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field In any other form of storage medium known.

Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should be in covering scope of the invention.

Claims (20)

1. a kind of method that data are transmitted in WLAN characterized by comprising
Site STA generates message frame, when the message frame determines the uplink of the STA according to the message frame for access point AP Frequency resource distribution, wherein the message frame carries following message: the STA has the instruction information, described of data transfer demands The transmission duration for the data that the data type for the data that STA is sent and the STA are sent, wherein the data that the STA is sent Data type carries in the type field of the MAC header of media access control protocol data unit MAC PDU;
The STA sends the message frame to the AP.
2. the method according to claim 1, wherein the method also includes:
The trigger frame that the AP is sent is received, it is STA distribution that the trigger frame, which carries the AP according to the message frame, The uplink time/frequency source configuration.
3. method according to claim 1 or 2, which is characterized in that there is the STA information of data transfer demands to carry In the domain More Data of the MAC header of media access control protocol data unit MAC PDU.
4. method according to claim 1 or 2, which is characterized in that wherein, the data type for the data that the STA is sent Including following at least one: sound-type, video type, as far as possible service type and background type.
5. method according to claim 1 or 2, which is characterized in that the transmission duration for the data that the STA is sent carries In the extension field of the MAC header of MAC PDU.
6. a kind of method that data are transmitted in WLAN characterized by comprising
The message frame that receiving station STA is sent, the message frame of the STA carry following message: there is the STA data transmission to need The transmission duration for the data that the data type of the data of the instruction information, STA transmission asked and the STA are sent, wherein institute State type field of the data type carrying in the MAC header of media access control protocol data unit MAC PDU of the data of STA transmission In;
According to the message frame that the STA is sent, uplink time/frequency source configuration is carried out for the STA.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
Trigger frame is sent to the STA, carrying in the trigger frame is that the uplink time/frequency source that the STA is distributed configures.
8. method according to claim 6 or 7, which is characterized in that there is the STA information of data transfer demands to carry In the domain More Data of the MAC header of media access control protocol data unit MAC PDU.
9. method according to claim 6 or 7, which is characterized in that wherein, the data type for the data that the STA is sent Including following at least one: sound-type, video type, as far as possible service type and background type.
10. method according to claim 6 or 7, which is characterized in that the transmission duration for the data that the STA is sent carries In the extension field of the MAC header of MAC PDU.
11. a kind of network equipment characterized by comprising
Generation unit, the generation unit is for generating message frame, and the message frame is for access point AP according to the message frame Determine the uplink time/frequency source configuration of the network equipment, wherein the message frame carries following message: the network equipment tool What the data type for the data for having the instruction information of data transfer demands, the network equipment to send and the network equipment were sent The transmission duration of data, wherein the data type for the data that the network equipment is sent is carried in media access control protocol number In type field according to the MAC header of unit MAC PDU;
Transmission unit, the transmission unit are used to send the message frame to the AP.
12. the network equipment according to claim 11, which is characterized in that the network equipment further includes receiving unit, institute The trigger frame that receiving unit is sent for receiving the AP is stated, it is described that the trigger frame, which carries the AP according to the message frame, The uplink time/frequency source configuration of network equipment distribution.
13. the network equipment according to claim 11 or 12, which is characterized in that there is the network equipment data transmission to need The information asked carries in the domain More Data of the MAC header of media access control protocol data unit MAC PDU.
14. the network equipment according to claim 11 or 12, which is characterized in that wherein, the number that the network equipment is sent According to data type include following at least one: sound-type, video type, as far as possible service type and background type.
15. the network equipment according to claim 11 or 12, which is characterized in that the biography for the data that the network equipment is sent Defeated duration carries in the extension field of the MAC header of MAC PDU.
16. a kind of network equipment characterized by comprising
Receiving unit, the receiving unit are used for the message frame that receiving station STA is sent, and the message frame of the STA carries following Information: the data type and STA hair for the data that there is the STA instruction information of data transfer demands, the STA to send The transmission duration for the data sent, wherein the data type for the data that the STA is sent is carried in media access control protocol data In the type field of the MAC header of unit MAC PDU;
Configuration unit, the configuration unit are used for the message frame sent according to the STA, carry out uplink time-frequency money for the STA Source configuration.
17. the network equipment according to claim 16, which is characterized in that the network equipment further includes transmission unit, institute Transmission unit is stated for sending trigger frame to the STA, it is STA distribution that the network equipment is carried in the trigger frame The uplink time/frequency source configuration.
18. the network equipment according to claim 16 or 17, which is characterized in that the STA has data transfer demands Information carries in the domain More Data of the MAC header of media access control protocol data unit MAC PDU.
19. the network equipment according to claim 16 or 17, which is characterized in that wherein, the number for the data that the STA is sent It include following at least one according to type: sound-type, video type, as far as possible service type and background type.
20. the network equipment according to claim 16 or 17, which is characterized in that when the transmission for the data that the STA is sent It is long to carry in the extension field of the MAC header of MAC PDU.
CN201510456206.XA 2015-07-29 2015-07-29 The method and apparatus of data transmission CN105101435B (en)

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