WO2014071752A1

WO2014071752A1 - Data communication device and data communication method

Info

Publication number: WO2014071752A1
Application number: PCT/CN2013/080258
Authority: WO
Inventors: 董贤东; 刘峰
Original assignee: 东莞宇龙通信科技有限公司; 宇龙计算机通信科技(深圳)有限公司
Priority date: 2012-11-08
Filing date: 2013-07-28
Publication date: 2014-05-15
Also published as: CN102932948A

Abstract

The present invention provides a data communication method of a data communication device. The data communication device comprises a data processing module and a data interaction module. The data processing module generates a message frame, the message frame at least comprises a terminal type identification bit and a user access channel priority level parameter identification bit, the value of the terminal type identification bit indicates the type of the terminal, and the value of the user access channel priority level parameter identification bit indicates the priority level of the access channel set by the terminal. The data interaction module sends the message frame. By means of the present invention, it is ensured that an AP can set channel access parameter sets of various STAs in detail, and accordingly the process of accessing an STA to a network can be controlled well.

Description

Data communication device and data communication method

Technical field

The present invention relates to the field of communications technologies, and in particular to data communication devices and data communication methods. Background technique

In the IEEE (Institute of Electrical and Electronics Engineers) 802.11 ah project team, the following requirements are placed on how terminals access the network:

For a BSS (basic service set) network, the STA (terminal) can be classified into a sensor type, an offloading type, and a hybrid type (that is, the STA can be either a sensor type or an offloading type).

For a STA of the sensor type, it is required to have the highest priority access network, but how the AP sets the EDCA (Enhanced Distributed Channel Access) parameters or HCCA parameters for the STA, such as the priority of the access network, is still to be solved. The problem.

For different types of STAs, multiple EDCA (Enhanced Distribution Channel Access) or HCCA (Multiple Coordination Controlled Channel Access) parameter sets should be defined for the type of STA. What kind of signaling is sent for this parameter set, And the different EDCA or HCCA parameter sets are set based on what conditions, are all problems that need to be solved.

Therefore, a new communication scheme between the STA and the AP is needed to ensure that the AP can set the channel access parameter set of different types of STAs in detail, so that the STA access network can be well controlled. Summary of the invention

The technical problem to be solved by the present invention is to provide a new communication scheme between the STA and the AP, and ensure that the AP can set the channel access parameter set of different types of STAs in detail, so that the STA can access the network. Good control. In view of the above, the present invention provides a data communication apparatus, including: a data processing module, generating a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit, and the terminal type identifier The value of the bit indicates the type of the terminal, and the value of the user access channel priority parameter identifier bit indicates the priority of the access channel set by the terminal; the data interaction module sends the message frame. In this technical solution, the data communication device can be

The AP, such as a data collector, the data processing module may be a chip module for data processing in the data communication device, and the data interaction module is equivalent to a signal transceiver device and an antenna, etc. The AP sets the STA type and the STA in the message frame. The priority of the access channel set by the type ensures that the corresponding STA can access the network in an orderly manner according to the priority set for it.

In the foregoing technical solution, preferably, when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value, indicating that the terminal is an uninstall type. The value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as a sensor type or an unloading type, the first value and the second value. The third value is different from each other. In this technical solution, the AP can set the priority of each STA access channel according to the type of the STA, which is divided into a sensor type, an offloading type, and a hybrid type, to control the order in which different STAs access the network, for example, When the value of the terminal type flag is "00", it is expressed as the Sensor type. When the value of the terminal type flag is "01", it is expressed as Offloading type. When the value of the terminal type flag is "10", it is expressed as a mixed type. Of course, the value of the terminal type identifier bit having different bit lengths may also be used to indicate the type of the terminal.

In the above technical solution, preferably, the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, or the terminal type identifier bit is The value is the second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value and the user access channel priority is The value of the parameter identifier bit is a sixth value, where the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier bit is the fourth value indicating the The priority of the terminal is the highest, and the value of the user access channel priority parameter identifier bit is the fifth value indicating that the terminal has the lowest priority. In this technical solution, it is assumed that the terminal type identifier of the STA The value of the bit is "00", which is of the Sensor type. The value of the corresponding STA user access channel priority parameter identifier bit of this type is "000", indicating that the STA is of the sensor type and has the highest priority among the two. The STA's terminal type identifier bit has a value of "01" and is of the Offloading type. Then, the value of the corresponding user access channel priority parameter identifier bit of this type is "001", indicating that the STA is of the offloading type and has both The lowest priority. The type of the STA of the hybrid type and the priority of the access channel are similar to those of the sensor type and the offloading type. That is, for different types of STAs, the priority of their access channels is different.

In the above technical solution, preferably, the terminal type identifier bit and the user access channel priority parameter identifier bit each include one or more bits or locations in the enhanced distributed channel access parameter set in the message frame. The hybrid coordination function in the message frame controls one or more bits in the channel access parameter set. In this technical solution, depending on the AP, the priority of the STA access channel can be set by using the EDCA parameter set or the bits in the HCCA parameter set.

In the foregoing technical solution, preferably, the message frame further includes a packet information identifier bit, and the value of the packet information identifier bit is represented by a type group number set by the terminal. In this technical solution, when the number of STAs accessing the network is large, multiple STAs can be divided into different groups, and the AP can be uniformly managed for an entire group of STAs. For example, if an AP manages 100 STAs at the same time, then The first 50 STAs are allocated in one group, and the group number is set to "0000001", indicating that the group number is the first group terminal, and the last 50 STAs are allocated in another group, and the group number is set to "0000010". Indicates that the group number is the second group of terminals. Of course, other bit lengths and values can also be used to indicate the group number of the STA.

In the above technical solution, preferably, the value of the terminal type identifier bit is the first value, and the value of the packet information identifier bit is a seventh value, and the value of the user access channel priority parameter identifier bit is An eighth value, or the value of the terminal type identifier bit is the second value, and the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is tenth The value, or the value of the terminal type identifier bit is the third value, and the value of the packet information identifier bit is an eleventh value and the value of the user access channel priority parameter identifier bit is a twelfth value. The seventh value, the ninth value, and the eleventh value are different from each other, and the eighth value, the tenth value, and the The twelve values are different from each other. In this technical solution, assuming that the value of the STA type identifier bit of the STA is "00" and the value of the packet information identifier bit is "000001", the value of the user access channel priority parameter identifier bit of the corresponding group type STA is determined. "000", indicating that the STA of the sensor type with the group number 1 has the highest priority access channel, the value of the terminal type identifier of the STA is "01" and the value of the packet information flag is "000010", then the corresponding The value of the user access channel priority parameter identifier bit of this type of STA is "001", and the STA of the Offloading type with group number 2 has the lowest priority access channel, that is, for different types of STAs, they cannot Assigned in the same group

In the above technical solution, preferably, when the value of the terminal type identifier bit is the first value, the second value, or the third value, the value of the packet information identifier bit is a seventh value, and the user picks up The value of the input channel priority parameter identifier bit is a thirteenth value, or the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a fourteenth value, or The value of the packet information identifier bit is the eleventh value and the value of the user access channel priority parameter identifier bit is a fifteenth value, wherein the seventh value, the ninth value, and the eleventh value are different from each other. The thirteenth value, the fourteenth value, and the fifteenth value are the same or different from each other. In this technical solution, for example

There are a total of 100 STAs of the Sensor type. For the convenience of management, the AP assigns the first 50 STAs a group number of "00000Γ, which is called the Sensor type terminal with the group number 1. The corresponding AP sets the access for this group of STAs. The channel priority is "001". Similarly, the AP assigns another group number "000010" to another 50 terminals, which is called a Sensor type terminal with group number 1. The corresponding AP sets the access network priority for this group of terminals. The level is "001" or "010", where the priority of the access channel indicated by "001" is higher or lower than the priority of the access channel indicated by "010", that is, the same type of STA, the AP is convenient for management. , they are assigned different group numbers. Due to different group numbers, the priority of these STAs accessing the network may be the same or different, but the priority of the access network of the same type of STAs in the same group number is the same.

In the foregoing technical solution, preferably, the group information identifier bit includes one or more bits in the enhanced distributed channel access parameter set in the message frame or a mixed coordination function control channel access parameter set in the message frame. One or more bits. In this technical solution, depending on the AP, the EDCA parameter set can be utilized or the bits in the HCCA parameter set can be utilized. To set the STA's grouping, or add a new information element in the EDCA parameter set or HCCA parameter set to group the STAs.

In the above technical solution, preferably, the message frame is a beacon frame, a probe response frame, an associated response frame, an open system authentication response frame, or a reassociation response frame. In this technical solution, the AP may notify the STA of the channel access parameters such as the priority set by the AP in various processes of interacting with the STA.

The present invention also provides a data communication method, including: generating a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit, and the value of the terminal type identifier bit indicates a type of the terminal. The value of the user access channel priority parameter identifier bit is represented as a priority of an access channel set by the terminal; and the message frame is sent. In this technical solution, the AP sets the STA type and the priority of the access channel set by the STA type in the message frame, and ensures that the corresponding STA can access the network in an orderly manner according to the priority set for it.

In the above technical solution, preferably, the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, or the terminal type identifier bit is The value is the second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value and the user access channel priority is The value of the parameter identifier bit is a sixth value, where the fourth value, the fifth value, and the sixth value are not mutually The value of the user access channel priority parameter identifier bit is the fourth value indicating that the terminal has the highest priority, and the value of the user access channel priority parameter identifier bit is the fifth value. The terminal has the lowest priority. In this technical solution, if the value of the STA type identifier bit of the STA is "00", which is a Sensor type, the value of the corresponding STA user access channel priority parameter identifier bit of this type is "000", indicating STA. For the sensor type and the highest priority of the two, the value of the terminal type identifier bit of the STA is "01", which is of the Offloading type, and the value of the corresponding user access channel priority parameter identifier bit of this type is "001" , indicating that the STA is of the offloading type and has the lowest priority of the two. The type of the STA of the hybrid type and the priority of the access channel are similar to those of the sensor type and the offloading type. That is, for different types of STAs, the priority of their access channels is different.

In the above technical solution, preferably, the value of the terminal type identifier bit is the first value, and the value of the packet information identifier bit is a seventh value, and the value of the user access channel priority parameter identifier bit is An eighth value, or the value of the terminal type identifier bit is the second value, and the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is tenth The value, or the value of the terminal type identifier bit is the third value, and the value of the packet information identifier bit is an eleventh value and the value of the user access channel priority parameter identifier bit is a twelfth value. The seventh value, the ninth value, and the eleventh value are different from each other, and the eighth value, the tenth value, and the twelfth value are different from each other. In this technical solution, assuming that the value of the STA type identifier bit of the STA is "00" and the value of the packet information identifier bit is "000001", the value of the user access channel priority parameter identifier bit of the corresponding group type STA is determined. "000", indicating that the STA of the sensor type with the group number 1 has the highest priority access channel, the value of the terminal type identifier of the STA is "01" and the value of the packet information flag is "000010", then the corresponding The value of the user access channel priority parameter identifier bit of this type of STA is "001", and the STA of the Offloading type with group number 2 has the lowest priority access channel, that is, for different types of STAs, they cannot Assigned in the same group.

In the above technical solution, preferably, when the value of the terminal type identifier bit is the first value, the second value, or the third value, the value of the packet information identifier bit is a seventh value, and the user picks up The value of the input channel priority parameter identifier bit is a thirteenth value, or the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a fourteenth value, or The value of the packet information identifier bit is the eleventh value and the value of the user access channel priority parameter identifier bit is a fifteenth value, wherein the seventh value, the ninth value, and the eleventh value are different from each other. The thirteenth value, the fourteenth value, and the fifteenth value are the same or different from each other. In this technical solution, for example, there are 100 STAs belonging to the Sensor type. For the convenience of management, the AP assigns a group number of "00000Γ to the top 50 STAs, which is called a Sensor type terminal with a group number of 1, and the corresponding AP. The priority of the access channel set for this group of STAs is "001". The same AP assigns another group number "000010" to the other 50 terminals, which is called the Sensor type terminal with group number 1. The corresponding AP is this. The group terminal sets the priority of the access network to "001" or "010", where the priority of the access channel indicated by "001" is higher or lower than the priority of the access channel indicated by "010", that is, the same kind Types of STAs, APs are assigned different group numbers for easy management. Due to different group numbers, the priority of these STAs to access the network may be the same or different, but the same type of STAs are in the same group number. The priority of the access network is the same.

In the above technical solution, preferably, the packet information identifier bit is included in the message frame. One or more bits in the enhanced distribution channel access parameter set or one or more bits in the mixed coordination function control channel access parameter set in the message frame. In this technical solution, depending on the AP, the EDCA parameter set or the bits in the HCCA parameter set may be utilized to perform STA grouping, or to add new information elements in the EDCA parameter set or the HCCA parameter set. To group the STAs.

The present invention further provides a data communication apparatus, comprising: a data interaction module, receiving a message frame, wherein the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit; and a data processing module, from the message Obtaining, in the frame, a value of the terminal type identifier bit and a value of the user access channel priority parameter identifier bit, where the value of the terminal type identifier bit indicates a type of the terminal, and the user access channel priority parameter identifier bit The value indicates the priority of the access channel set by the access point for the terminal. In this technical solution, the data communication device may be a STA, the data processing module may be a chip module for data processing in the data communication device, and the data interaction module is equivalent to a signal transceiver device and an antenna, etc., the STA may acquire the AP from the message frame. The access channel is set according to its type priority, and can be accessed in an orderly manner according to the priority set by the AP.

In the foregoing technical solution, preferably, when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value, indicating that the terminal is an uninstall type. The value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as a sensor type or an unloading type, the first value and the second value. The third value is different from each other. In this technical solution, the type of the STA is divided into a sensor type, an offloading type, and a hybrid type, and corresponding to different access channel priorities, the STA may first obtain a type corresponding to itself from the message frame, and then obtain the type. The priority parameter configured by the type STA, for example, when the value of the terminal type identifier bit is "00", it is expressed as the Sensor type. When the value of the terminal type identifier bit is "01", it is expressed as the Offloading type. When the value of the terminal type identifier bit is set, When it is "10", it is expressed as a mixed type. However, the value of the terminal type identifier bit having a different bit length may also be used to indicate the type of the terminal.

In the above technical solution, preferably, the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, or the terminal type identifier bit is The value is the second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value and the user access channel priority is The value of the parameter identifier bit is a sixth value, where the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier bit is the fourth value indicating the The priority of the terminal is the highest, and the value of the user access channel priority parameter identifier bit is the fifth value indicating that the terminal has the lowest priority. In this technical solution, if the value of the STA type identifier bit of the STA is "00", which is a Sensor type, the value of the corresponding STA user access channel priority parameter identifier bit of this type is "000", indicating STA. For the sensor type and the highest priority of the two, the value of the terminal type identifier bit of the STA is "01", which is of the Offloading type, and the value of the corresponding user access channel priority parameter identifier bit of this type is " 001" , indicating that the STA is of the offloading type and has the lowest priority of the two. The type of the STA of the hybrid type and the priority of the access channel are similar to those of the sensor type and the offloading type. That is, for different types of STAs, their access channels have different priority levels.

In the above technical solution, preferably, the terminal type identifier bit and the user access channel priority parameter identifier bit each include one or more bits or locations in the enhanced distributed channel access parameter set in the message frame. The hybrid coordination function in the message frame controls one or more bits in the channel access parameter set. In this technical solution, depending on the AP, the EDCA parameter set or the bits in the HCCA parameter set may be utilized to set the priority of the STA access channel, and the ST A reads from the corresponding position in the message frame. Just take it.

In the above technical solution, preferably, the message frame further includes a packet information identifier bit, where the data processing module further acquires a value of the packet information identifier bit from the message frame, where the packet information identifier bit The value indicates the type group number set for the terminal. In this technical solution, when the number of STAs accessing the network is large, multiple STAs can be divided into different groups, and the STA can implement the operation of accessing the network by combining its own group number, for example, the AP manages 100 at the same time. STA, then you can assign the first 50 STAs to a group, set them to group number "0000001", indicating that the group number is the first group terminal, and the last 50 STAs are assigned to another group, and set the group number for them. It is "0000010", indicating that the group number is the second group of terminals. Of course, other bit lengths and values can also be used to indicate the group number of the STA.

In the above technical solution, preferably, when the value of the terminal type identifier bit is the first value, the second value, or the third value, the value of the packet information identifier bit is a seventh value, and the user picks up The value of the input channel priority parameter identifier bit is a thirteenth value, or the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a fourteenth value, or The value of the packet information identifier bit is the eleventh value and the value of the user access channel priority parameter identifier bit is a fifteenth value, wherein the seventh value, the ninth value, and the eleventh value are different from each other. The thirteenth value, the fourteenth value, and the fifteenth value are the same or different from each other. In this technical solution, for example, there are 100 STAs belonging to the Sensor type. For the convenience of management, the AP assigns a group number of "00000Γ to the top 50 STAs, which is called a Sensor type terminal with a group number of 1, and the corresponding AP. The priority of the access channel set for this group of STAs is "001", and the same AP gives 50 other The terminal is assigned another group number "000010", which is called the Sensor type terminal with group number 2. The corresponding AP sets the access network priority to "001" or "010" for this group of terminals, where "001" Indicates that the priority of the access channel is higher or lower than the priority of the access channel indicated by "010", that is, the STAs of the same type. The APs are assigned different group numbers for the convenience of management, due to the group number. Differently, the priority of these STAs to access the network may be the same or different, but the access networks of the same type of STAs in the same group number have the same priority.

In the foregoing technical solution, preferably, the group information identifier bit includes one or more bits in the enhanced distributed channel access parameter set in the message frame or a mixed coordination function control channel access parameter set in the message frame. One or more bits. In this technical solution, depending on the AP, the EDCA parameter set or the bits in the HCCA parameter set may be utilized to perform STA grouping, or to add new information elements in the EDCA parameter set or the HCCA parameter set. To group the STAs.

The present invention further provides a data communication method, including: receiving a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit; and obtaining the terminal type identifier from the message frame The value of the bit and the value of the user access channel priority parameter identifier bit, the value of the terminal type identifier bit indicates the type of the terminal, and the value of the user access channel priority parameter identifier bit indicates that the access point is The priority of the access channel set by the terminal. In this technical solution, the STA can obtain the priority of the access channel set by the AP according to its type from the message frame, and can access the network in an orderly manner according to the priority set by the AP.

In the foregoing technical solution, preferably, when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value, indicating that the terminal is an uninstall type. The value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as a sensor type or an unloading type, the first value and the second value. The third value is different from each other. In this technical solution, the class of STA The type is divided into a sensor type, an offloading type, and a hybrid type, which correspond to the priorities of different access channels. The STA can first obtain the type matching the self from the message frame, and then obtain the priority parameter configured for the type STA. For example, when the value of the terminal type flag is "00", it is expressed as the Sensor type. When the value of the terminal type flag is "01", it is expressed as Offloading type. When the value of the terminal type flag is "10", it is indicated as mixed. Type, of course, the value of the terminal type identifier bit having a different bit length may be used to indicate the type of the terminal.

In the above technical solution, preferably, the terminal type identifier bit and the user access channel priority parameter identifier bit each include one or more bits or locations in the enhanced distributed channel access parameter set in the message frame. The hybrid coordination function in the message frame controls one or more bits in the channel access parameter set. In this technical solution, depending on the AP, the EDCA parameter set or the bits in the HCCA parameter set may be utilized to set the priority of the STA access channel, and the ST A reads from the corresponding position in the message frame. Just take it. In the above technical solution, preferably, the message frame further includes a packet information identifier bit, and the data communication method further includes: acquiring, according to the ;; the message frame, the value of the identifier bit, The value of the packet information flag is expressed as the type group number set by the terminal. In this technical solution, when the number of STAs accessing the network is large, multiple STAs may be divided into different groups, and the STA may perform operations for accessing the network by combining its own group number, for example, the AP manages 100 STAs at the same time. Then the first 50 STAs can be assigned to a group, and the group number is set to "0000001", indicating that the group number is the first group terminal, and the last 50 STAs are allocated in another group, and the group number is set to "0000010" , indicating that the group number is the second group of terminals, of course, other bit lengths and values can also be used to indicate the group number of the STA.

In the above technical solution, preferably, the value of the terminal type identifier bit is the first value, and the value of the packet information identifier bit is a seventh value, and the value of the user access channel priority parameter identifier bit is An eighth value, or the value of the terminal type identifier bit is the second value, and the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is tenth The value, or the value of the terminal type identifier bit is the third value, and the value of the packet information identifier bit is an eleventh value and the value of the user access channel priority parameter identifier bit is a twelfth value. The seventh value, the ninth value, and the eleventh value are different from each other, and the eighth value, the tenth value, and the twelfth value are different from each other. In this technical solution, if the value of the STA type identifier bit of the STA is "00" and the value of the packet information identifier bit is "000001", then the value of the user access channel priority parameter identifier bit of the corresponding group type STA is determined. For "000", the STA of the sensor type with group number 1 has the highest priority access channel, the value of the STA's terminal type flag is "01" and the value of the packet information flag is "000010", then the corresponding The value of the user access channel priority parameter identifier bit of this type of STA is "001", and the STA of the Offloading type with group number 2 has the lowest priority access channel, that is, for different types of STAs, they cannot Assigned in the same group.

In the above technical solution, preferably, when the value of the terminal type identifier bit is the first value, the second value, or the third value, the value of the packet information identifier bit is a seventh value, and the user picks up The value of the input channel priority parameter identifier bit is a thirteenth value, or the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a fourteenth value, or The value of the packet information identifier bit is the eleventh value and the value of the user access channel priority parameter identifier bit The fifteenth value, wherein the seventh value, the ninth value, and the eleventh value are different from each other, and the thirteenth value, the fourteenth value, and the fifteenth value are the same or different from each other. In this technical solution, for example

There are a total of 100 STAs of the Sensor type. For the convenience of management, the AP assigns the first 50 STAs a group number of "00000Γ, which is called the Sensor type terminal with the group number 1. The corresponding AP sets the access for this group of STAs. The channel priority is "001". Similarly, the AP assigns another group number "000010" to another 50 terminals, which is called a Sensor type terminal with group number 1. The corresponding AP sets the access network priority for this group of terminals. The level is "001" or "010", where the priority of the access channel indicated by "001" is higher or lower than the priority of the access channel indicated by "010", that is, the same type of STA, the AP is convenient for management. They are assigned different group numbers. Due to different group numbers, the priority of these STAs to access the network may be the same or different, but the priority of the access network of the same type of STAs in the same group number is the same.

Through the above technical solution, the data communication device and the data communication method can be implemented, and the AP can be configured to set the multiple channel access parameter sets of the STA in detail, so that the process of the STA accessing the network can be well controlled. DRAWINGS

1 is a block diagram of a data communication device in accordance with one embodiment of the present invention;

2 is a flow chart of a data communication method in accordance with one embodiment of the present invention; Figure 3 is a block diagram of a data communication device in accordance with one embodiment of the present invention; Figure 4 is a flow diagram of a data communication method in accordance with one embodiment of the present invention;

5 is a message structure diagram of a data communication method according to an embodiment of the present invention; FIG. 6 is a message structure diagram of a data communication method according to an embodiment of the present invention; FIG. 7 is data according to an embodiment of the present invention. The message structure diagram of the communication method. detailed description

The above described objects, features and advantages of the present invention will be more fully understood from the following detailed description. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments of the present application may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the invention may be practiced otherwise than as described herein. Limitations of the embodiments.

1 is a block diagram of a data communication device in accordance with one embodiment of the present invention.

As shown in FIG. 1 , the present invention provides a data communication apparatus 100, including: a data processing module 102, which generates a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit, where The value of the terminal type identifier bit indicates the type of the terminal, and the value of the user access channel priority parameter identifier bit indicates the priority of the access channel set by the terminal; the data interaction module 104 sends the message frame. In this technical solution, the data communication device 100 may be an AP, such as a data collector, the data processing module 102 may be a chip module for data processing in the data communication device 100, and the data interaction module 104 is equivalent to a signal transceiver device and Antennas, etc., the AP sets the STA type and the priority of the access channel set by the STA type in the message frame to ensure that the corresponding STA can access the network in an orderly manner according to the priority set for it.

In the foregoing technical solution, when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value, indicating that the terminal is an unloading type, The value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as both a sensor type and an unloading type, and the first value, the second value, and the third The values are different from each other. In this technical solution, the AP can press the STA The type is divided into the sensor type, the offloading type, and the hybrid type to set the priority of each STA access channel to control the order in which different STAs access the network. For example, when the terminal type identifier bit is "00" The time is expressed as the Sensor type. When the value of the terminal type flag is "01", it is expressed as Offloading type. When the value of the terminal type flag is

The "10" is expressed as a hybrid type. Of course, the value of the terminal type identification bit having a different bit length may be used to indicate the type of the terminal.

In the foregoing technical solution, the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, or the value of the terminal type identifier bit is Determining a second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value, and the user access channel priority parameter identifier bit The value of the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier bit is the fourth value indicating the priority of the terminal. The highest level, the value of the user access channel priority parameter identifier bit is the fifth value indicating that the terminal has the lowest priority. In this technical solution, it is assumed that the value of the terminal type identifier bit of the STA is

"00" is the Sensor type, then the value of the corresponding STA user access channel priority parameter identifier bit of this type is "000", indicating that the STA is the sensor type and has the highest priority among the two, the terminal of the STA The value of the type identifier bit is "01", which is of the Offloading type. The value of the corresponding user access channel priority parameter identifier bit of this type is "001", indicating that the STA is of the offloading type and has the lowest priority of the two. level. The type of the STA of the hybrid type and the priority of the access channel are similar to those of the sensor type and the offloading type. That is, for different types of STAs, their access channels have different priority levels.

In the foregoing technical solution, the terminal type identifier bit and the user access channel priority parameter identifier bit both include one or more bits or the message frame in the enhanced distributed channel access parameter set in the message frame. The medium hybrid coordination function controls one or more bits of the channel access parameter set. In this technical solution, depending on the AP, the priority of the STA access channel can be set by using the EDCA parameter set or the bits in the HCCA parameter set.

In the above technical solution, the message frame further includes a packet information identifier bit, and the value of the packet information identifier bit is represented by a type group number set by the terminal. In this technical solution, in the connection When the number of STAs entering the network is large, multiple STAs can be divided into different groups. The AP can manage the entire group of STAs. For example, if the AP manages 100 STAs at the same time, the first 50 STAs can be assigned to one group. Inside, set the group number to "0000001", indicating that the group number is the first group terminal, and the last 50 STAs are assigned in another group, and set the group number to "0000010", indicating that the group number is the second group terminal. Of course, other bit lengths and values can also be used to indicate the STA's group number.

In the foregoing technical solution, the value of the terminal type identifier bit is the first value, and the value of the packet information identifier bit is a seventh value, and the value of the user access channel priority parameter identifier bit is an eighth value. The value, or the value of the terminal type identifier bit is the second value, and the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a tenth value, or The value of the terminal type identifier bit is the third value, and the value of the packet information identifier bit is the eleventh value, and the value of the user access channel priority parameter identifier bit is the twelfth value, where The seventh value, the ninth value, and the eleventh value are different from each other, and the eighth value, the tenth value, and the twelfth value are different from each other. In this technical solution, if the value of the STA type identifier bit of the STA is "00" and the value of the packet information identifier bit is "000001", then the corresponding user access channel priority parameter identifier of the group type STA The value is "000", indicating that the STA of the sensor type with the group number of 1 has the highest priority access channel, the value of the terminal type identifier of the STA is "01" and the value of the packet information flag is "000010", then The value of the user access channel priority parameter identifier bit of the corresponding type of STA is "001", and the STA of the Offloading type with the group number 2 has the lowest priority access channel, that is, for different types of STAs, Cannot be assigned in the same group.

In the foregoing technical solution, when the value of the terminal type identifier bit is the first value, the second value, or the third value, the value of the packet information identifier bit is a seventh value, and the user access channel takes precedence. The value of the level parameter identifier bit is a thirteenth value, or the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a fourteenth value, or the group information The value of the identifier bit is the eleventh value, and the value of the user access channel priority parameter identifier bit is a fifteenth value, wherein the seventh value, the ninth value, and the eleventh value are different from each other, The thirteenth value, the fourteenth value, and the fifteenth value are the same or different from each other. In this technical solution, for example, there are 100 STAs belonging to the Sensor type, and the AP allocates one to the first 50 STAs for convenient management. The group number is "ΟΟΟΟΟΓ", which is called the Sensor type terminal with group number 1. The corresponding AP sets the access channel priority to "001" for this group of STAs. The same AP assigns another group number to the other 50 terminals. "000010", called the Sensor type terminal with group number 2, the corresponding AP sets the access network priority to "001" or "010" for the group of terminals, where the access channel priority indicated by "001" The priority of the access channel above or below the "010" is the same type of STA. The APs are assigned different group numbers for convenient management. These STAs access the network due to different group numbers. The priority may be the same or different, but the access network of the same type of STA in the same group number has the same priority.

In the foregoing technical solution, the packet information identifier bit includes one or more bits in the enhanced distributed channel access parameter set in the message frame or one of a mixed coordination function control channel access parameter set in the message frame or Multiple bits. In this technical solution, depending on the AP, the EDCA parameter set or the bits in the HCCA parameter set can be utilized to set the STA group, or to add a new information element in the EDCA parameter set or the HCCA parameter set. To group the STAs.

In the above technical solution, the message frame is a beacon frame, a probe response frame, an association response frame, an open system authentication response frame, or a reassociation response frame. In this technical solution, the AP may notify the STA of the channel access parameters such as the priority set by the AP in various processes of interacting with the STA.

2 is a flow chart of a data communication method in accordance with one embodiment of the present invention.

As shown in FIG. 2, the present invention further provides a data communication method, including: Step 202: Generate a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit, where the terminal The value of the type identifier bit indicates the type of the terminal, and the value of the user access channel priority parameter identifier bit indicates the priority of the access channel set by the terminal. Step 204: Send the message frame. In this technical solution, the AP sets the STA type and the priority of the access channel set by the STA type in the message frame, so that the corresponding STA can access the network in an orderly manner according to the priority set for the AP.

In the foregoing technical solution, when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value, indicating that the terminal is unloaded. The first type, the first value, the third value indicates that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as both a sensor type and an unloading type. The binary value and the third value are different from each other. In this technical solution, the AP can preferentially set the priority of each STA access channel according to the type of the STA, which is divided into a sensor type, an offloading type, and a hybrid type, to control the order in which different STAs access the network, for example, When the value of the terminal type flag is "00", it is expressed as the Sensor type. When the value of the terminal type flag is "01", it is expressed as Offloading type. When the value of the terminal type flag is "10", it is expressed as a mixed type. Of course, the value of the terminal type identifier bit having different bit lengths may also be used to indicate the type of the terminal.

In the foregoing technical solution, the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, or the value of the terminal type identifier bit is Determining a second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value, and the user access channel priority parameter identifier bit The value of the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier bit is the fourth value indicating the priority of the terminal. The highest level, the value of the user access channel priority parameter identifier bit is the fifth value indicating that the terminal has the lowest priority. In this technical solution, if the value of the STA type identifier bit of the STA is "00", which is a Sensor type, the value of the corresponding STA user access channel priority parameter identifier bit of this type is "000", indicating STA. The sensor type and the highest priority of the two, the value of the terminal type identifier of the STA is "01", which is the Offloading type, and the value of the corresponding user access channel priority parameter identifier bit of this type is " 001 " , indicating that the STA is of the offloading type and has the lowest priority of the two. The type of the STA of the hybrid type and the priority of the access channel are similar to those of the sensor type and the offloading type. That is, for different types of STAs, their access channels have different priority levels.

In the foregoing technical solution, the terminal type identifier bit and the user access channel priority parameter identifier bit both include one or more bits or the message frame in the enhanced distributed channel access parameter set in the message frame. The medium hybrid coordination function controls one or more bits of the channel access parameter set. In this technical solution, depending on the AP, the EDCA parameter set can also be utilized. The priority of the STA access channel is set using the bits in the HCCA parameter set. In the above technical solution, the message frame further includes a packet information identifier bit, and the value of the packet information identifier bit is represented by a type group number set by the terminal. In this technical solution, when the number of STAs accessing the network is large, multiple STAs can be divided into different groups, and the AP can be uniformly managed for an entire group of STAs. For example, if an AP manages 100 STAs at the same time, then The first 50 STAs are allocated in one group, and the group number is set to "0000001", indicating that the group number is the first group terminal, and the last 50 STAs are allocated in another group, and the group number is set to "0000010". Indicates that the group number is the second group of terminals. Of course, other bit lengths and values can also be used to indicate the group number of the STA.

In the foregoing technical solution, when the value of the terminal type identifier bit is the first value, the second value, or the third value, the value of the packet information identifier bit is a seventh value, and the user access channel takes precedence. The value of the level parameter identifier bit is a thirteenth value, or the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a fourteenth value, or the group information The value of the identifier bit is the eleventh value and the value of the user access channel priority parameter identifier bit is fifteenth. a value, wherein the seventh value, the ninth value, and the eleventh value are different from each other, and the thirteenth value, the fourteenth value, and the fifteenth value are the same or different from each other. In this technical solution, for example, there are 100 STAs belonging to the Sensor type. For the convenience of management, the AP assigns a group number of "000001" to the first 50 STAs, which is called a Sensor type terminal with a group number of 1, correspondingly The priority of the access channel set by the AP to this group of STAs is "001". The same AP assigns another group number "000010" to the other 50 terminals, which is called the Sensor type terminal with group number 2. The corresponding AP is This group of terminals sets the access network priority to "001" or "010", where "001" indicates that the access channel priority is higher or lower than the priority of the access channel indicated by "010", that is, the same STAs and APs are assigned different group numbers for the convenience of management. Due to different group numbers, the priority of these STAs to access the network may be the same or different, but the same type of STAs are in the same group number. The priority of the access network in the same is the same.

3 is a block diagram of a data communication device in accordance with one embodiment of the present invention.

As shown in FIG. 3, the present invention further provides a data communication apparatus 300, including: a data interaction module 302, which receives a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit; The data processing module 304: the value of the terminal type identifier bit and the value of the user access channel priority parameter identifier bit are obtained from the message frame, where the value of the terminal type identifier bit indicates the type of the terminal, The value of the user access channel priority parameter identifier bit indicates the priority of the access channel set by the access point for the terminal. In this technical solution, The data communication device 300 may be a STA, the data processing module 304 may be a chip module for data processing in the data communication device 300, and the data interaction module 302 is equivalent to a signal transceiving device and an antenna, etc., and the STA may acquire an AP from the message frame according to the same. The type is the priority of the access channel set for it, and can be accessed in an orderly manner according to the priority set by the AP.

In the foregoing technical solution, when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value, indicating that the terminal is an unloading type, The value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as both a sensor type and an unloading type, and the first value, the second value, and the third The values are different from each other. In this technical solution, the type of the STA is divided into a sensor type, an offloading type, and a hybrid type, and corresponding to different access channel priorities, the STA may first obtain a type corresponding to itself from the message frame, and then obtain the type. The priority parameter configured by the type STA, for example, when the value of the terminal type identifier bit is "00", it is expressed as the Sensor type. When the value of the terminal type identifier bit is "01", it is expressed as the Offloading type. When the value of the terminal type identifier bit is set, When it is "10", it is expressed as a hybrid type. Of course, the value of the terminal type identifier bit having a different bit length may be used to indicate the type of the terminal.

In the foregoing technical solution, the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, or the value of the terminal type identifier bit is Determining a second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value, and the user access channel priority parameter identifier bit The value of the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier bit is the fourth value indicating the priority of the terminal. The highest level, the value of the user access channel priority parameter identifier bit is the fifth value indicating that the terminal has the lowest priority. In this technical solution, if the value of the STA type identifier bit of the STA is "00", which is a Sensor type, the value of the corresponding STA user access channel priority parameter identifier bit of this type is "000", indicating STA. The sensor type and the highest priority of the two, the value of the terminal type identifier of the STA is "01", which is the Offloading type, and the value of the corresponding user access channel priority parameter identifier bit of this type is " 001 " , indicating that the STA is of the offloading type and has the lowest priority of the two. The type of mixed-type STA and the priority of the access channel are expressed similarly to the sensor type and STAs of the offloading type, that is, for different types of STAs, their access channels have different priority levels.

In the foregoing technical solution, the terminal type identifier bit and the user access channel priority parameter identifier bit both include one or more bits or the message frame in the enhanced distributed channel access parameter set in the message frame. The medium hybrid coordination function controls one or more bits of the channel access parameter set. In this technical solution, depending on the AP, the EDCA parameter set or the bits in the HCCA parameter set may be utilized to set the priority of the STA access channel, and the STA reads from the corresponding position in the message frame. Just fine.

In the above technical solution, the message frame further includes a packet information identifier bit, and the data processing module 304 further obtains a value of the packet information identifier bit from the message frame, where the value of the packet information identifier bit indicates The type group number set for the terminal. In this technical solution, when the number of STAs accessing the network is large, multiple STAs may be divided into different groups, and the STA may perform operations of accessing the network by combining its own group number, for example, the AP manages 100 STAs at the same time. Then the first 50 STAs can be assigned to a group, and the group number is set to "0000001", indicating that the group number is the first group terminal, and the last 50 STAs are allocated in another group, and the group number is set to " 0000010" , indicating that the group number is the second group of terminals, of course, other bit lengths and values can also be used to indicate the group number of the STA.

In the foregoing technical solution, the value of the terminal type identifier bit is the first value, and the value of the packet information identifier bit is a seventh value, and the value of the user access channel priority parameter identifier bit is an eighth value. The value, or the value of the terminal type identifier bit is the second value, and the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a tenth value, or The value of the terminal type identifier bit is the third value, and the value of the packet information identifier bit is the eleventh value, and the value of the user access channel priority parameter identifier bit is the twelfth value, where The seventh value, the ninth value, and the eleventh value are different from each other, and the eighth value, the tenth value, and the twelfth value are different from each other. In this technical solution, if the value of the STA type identifier bit of the STA is "00" and the value of the packet information identifier bit is "000001", then the corresponding user access channel priority parameter identifier of the group type STA The value is "000", indicating that the STA of the sensor type with the group number of 1 has the highest priority access channel, the value of the terminal type identifier of the STA is "01" and the value of the packet information flag is "000010", then The corresponding user of this type of STA The value of the access channel priority parameter identifier bit is "001", and the STA of the Offloading type with group number 2 has the lowest priority access channel, that is, for different types of STAs, they cannot be allocated in the same group.

In the foregoing technical solution, when the value of the terminal type identifier bit is the first value, the second value, or the third value, the value of the packet information identifier bit is a seventh value, and the user access channel takes precedence. The value of the level parameter identifier bit is a thirteenth value, or the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a fourteenth value, or the group information The value of the identifier bit is the eleventh value, and the value of the user access channel priority parameter identifier bit is a fifteenth value, wherein the seventh value, the ninth value, and the eleventh value are different from each other, The thirteenth value, the fourteenth value, and the fifteenth value are the same or different from each other. In this technical solution, for example, there are 100 STAs belonging to the Sensor type. For the convenience of management, the AP assigns a group number of "000001" to the first 50 STAs, which is called a Sensor type terminal with a group number of 1, corresponding to The priority of the access channel set by the AP to this group of STAs is "001". The same AP assigns another group number "000010" to the other 50 terminals, which is called the Sensor type terminal with group number 2. The corresponding AP is This group of terminals sets the priority of the access network to "001" or "010", where the priority of the access channel indicated by "001" is higher or lower than the priority of the access channel indicated by "010", that is, the same STAs and APs are assigned different group numbers for the convenience of management. Due to different group numbers, the priority of these STAs to access the network may be the same or different, but the same type of STAs are in the same group number. The priority of the access network in the same is the same.

In the above technical solution, the message frame is a beacon frame, a probe response frame, an association response frame, an open system authentication response frame, or a reassociation response frame. In this technical solution, the AP may notify the channel access parameters such as the priority set in the multiple processes interacting with the STA, To the STA.

4 is a flow chart of a data communication method in accordance with one embodiment of the present invention.

As shown in FIG. 4, the present invention further provides a data communication method, including: Step 402: Receive a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit; Step 404, Obtaining, by the message frame, a value of the terminal type identifier bit and a value of the user access channel priority parameter identifier bit, where the value of the terminal type identifier bit indicates a type of the terminal, and the user access channel takes precedence The value of the level parameter identification bit indicates the priority of the access channel set by the access point for the terminal. In this technical solution, the STA can obtain the priority of the access channel set by the AP according to its type from the message frame, and can access the network in an orderly manner according to the priority set by the AP.

In the foregoing technical solution, when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value, indicating that the terminal is an unloading type, The value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as both a sensor type and an unloading type, and the first value, the second value, and the third The values are different from each other. In this technical solution, the type of the STA is divided into a sensor type, an offloading type, and a hybrid type, and corresponding to different access channel priorities, the STA may first obtain a type corresponding to itself from the message frame, and then obtain the type. The priority parameter configured by the STA type, for example, when the value of the terminal type identifier bit is "00", it is expressed as the Sensor type. When the value of the terminal type identifier bit is "01", it is expressed as the Offloading type. When the value of the terminal type identifier bit is set, When it is "10", it is expressed as a hybrid type. Of course, the value of the terminal type identifier bit having a different bit length may be used to indicate the type of the terminal.

In the foregoing technical solution, the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, or the value of the terminal type identifier bit is Determining a second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value, and the user access channel priority parameter identifier bit The value of the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier bit is the fourth value indicating the priority of the terminal. The highest level, the value of the user access channel priority parameter identifier bit is the fifth value indicating that the terminal has the lowest priority. In this technical solution, it is assumed that the value of the terminal type identifier bit of the STA is "00" is the Sensor type, then the value of the corresponding STA user access channel priority parameter identifier bit of this type is "000", indicating that the STA is the sensor type and has the highest priority among the two, the terminal of the STA The value of the type identifier bit is "01", which is of the Offloading type. The value of the corresponding user access channel priority parameter identifier bit of this type is "001", indicating that the STA is of the offloading type and has the lowest priority of the two. level. The type of the STA of the hybrid type and the priority of the access channel are similar to those of the sensor type and the offloading type. That is, for different types of STAs, the priority of their access channels is different.

In the above technical solution, the message frame further includes a packet information identifier bit, and the data communication method further includes: acquiring, from the message frame, a value of the packet information identifier bit, and the value of the packet information identifier bit Indicates the type group number set for the terminal. In this technical solution, when the number of STAs accessing the network is large, multiple STAs may be divided into different groups, and the STA may perform operations for accessing the network by combining its own group number, for example, the AP manages 100 STAs at the same time. Then the first 50 STAs can be assigned to a group, and the group number is set to "0000001", indicating that the group number is the first group terminal, and the last 50 STAs are allocated in another group, and the group number is set to " 0000010" , indicating that the group number is the second group of terminals, of course, other bit lengths and values can also be used to indicate the group number of the STA.

In the foregoing technical solution, the value of the terminal type identifier bit is the first value, and the value of the packet information identifier bit is a seventh value, and the value of the user access channel priority parameter identifier bit is an eighth value. The value, or the value of the terminal type identifier bit is the second value, and the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a tenth value, or The value of the terminal type identifier bit is the third value, and the value of the packet information identifier bit is the eleventh value, and the value of the user access channel priority parameter identifier bit is the twelfth value, where The first The seven values, the ninth value, and the eleventh value are different from each other, and the eighth value, the tenth value, and the twelfth value are different from each other. In this technical solution, if the value of the STA type identifier bit of the STA is "00" and the value of the packet information identifier bit is "000001", then the corresponding user access channel priority parameter identifier of the group type STA The value is "000", indicating that the STA of the sensor type with the group number of 1 has the highest priority access channel, the value of the terminal type identifier of the STA is "01" and the value of the packet information flag is "000010", then The value of the user access channel priority parameter identifier bit of the corresponding type of STA is "001", and the STA of the Offloading type with the group number 2 has the lowest priority access channel, that is, for different types of STAs, Cannot be assigned in the same group.

In the foregoing technical solution, when the value of the terminal type identifier bit is the first value, the second value, or the third value, the value of the packet information identifier bit is a seventh value, and the user access channel takes precedence. The value of the level parameter identifier bit is a thirteenth value, or the value of the packet information identifier bit is a ninth value and the value of the user access channel priority parameter identifier bit is a fourteenth value, or the group information The value of the identifier bit is the eleventh value, and the value of the user access channel priority parameter identifier bit is a fifteenth value, wherein the seventh value, the ninth value, and the eleventh value are different from each other, The thirteenth value, the fourteenth value, and the fifteenth value are the same or different from each other. In this technical solution, for example, there are 100 STAs belonging to the Sensor type. For the convenience of management, the AP assigns a group number of "000001" to the first 50 STAs, which is called a Sensor type terminal with a group number of 1, correspondingly The priority of the access channel set by the AP to this group of STAs is "001". The same AP assigns another group number "000010" to the other 50 terminals, which is called the Sensor type terminal with group number 2. The corresponding AP is This group of terminals sets the access network priority to "001" or "010", where "001" indicates that the access channel priority is higher or lower than the priority of the access channel indicated by "010", that is, the same STAs and APs are assigned different group numbers for the convenience of management. Due to different group numbers, the priority of these STAs to access the network may be the same or different, but the same type of STAs are in the same group number. The priority of the access network in the same is the same.

In the foregoing technical solution, the packet information identifier bit includes one or more bits in the enhanced distributed channel access parameter set in the message frame or one of a mixed coordination function control channel access parameter set in the message frame or Multiple bits. In this technical solution, depending on the AP, The EDCA parameter set can also be used to set the STA group by using the bits in the HCCA parameter set, or to add a new information element in the EDCA parameter set or the HCCA parameter set to group the STAs.

Hereinafter, the technical solution of the present invention will be described in detail by taking the design of the EDCA parameter set (the present invention is also applicable to other parameter sets such as HCCA) as an example.

1. Solve the signaling method of the EDCA parameter set.

In the existing standard, the design of the EDCA format is as shown in FIG. 5, and the IE (indicator element) is adopted. In order to ensure that no major changes are made to the existing standard, in the technical solution of the embodiment, the method is adopted. The EDCA parameter set is encapsulated in the form of IE.

In FIG. 5, it is assumed that there is an 8-bit reserved bit in the message frame. In one embodiment of the present invention, the 8 bits are used to set the STA type and the access channel priority. As shown in Figure 6.

In Fig. 6, in the reserved bits, the upper two bits of the eight bits are used to indicate the type of the STA, and the lower six bits are used to indicate the priority of the STA access channel, as exemplified in the following table.

Β5Β ₄ Β3Β ₂ ΒιΒο Description (Description)

000000 Priority 1 (priority 1)

000001 Priority2 (priority 2) In message frame 1 sent by the AP, the value of B ₇ B ₆ is "00" and BsB BgBsBiB. The value of "000000" indicates that the type of the STA is sensor type, and the priority of the access channel is priority 1. In the message frame 2 sent by the AP, the value of B ₇ B ₆ is "01" and BsB. BgBsBiB. The value of "00000" indicates that the type of the STA is "offloading", and the priority of the access channel is priority 2, where priority 1 is higher than priority 2.

After receiving the message frame, the STA can parse the message frame to obtain the priority of the access channel. It can be seen from the above that the priority of the STA access channel of the sensor type is higher than the priority of the STA access channel of the offloading type. The technical solution of the embodiment can control the order of different types of STAs in an orderly manner. Access to the network.

In another embodiment of the present invention, the eight bits are used to set the priority of the STA type, packet, and access channel, as shown in Figure 7.

In Fig. 7, in the reserved bits, B ₇ B ₆ out of 8 bits is used to indicate the type of STA, and B ₅ B ₄ is a grouping of STAs, BgBsBiB. To indicate the priority of the STA access channel, an example is shown in the following table.

B ₇ B ₆ Description (Description)

00 Sensor (sensor)

01 Offloading (Uninstall)

10 Reserved (reserved)

11 Reserved (reserved)

B5B4 Description (Description)

00 Group 1 (Group 1)

01 Group2 (Group 2)

10 Reserved (reserved)

11 Reserved (reserved) B3B2B1B0 Description (Description)

0000 Priority 1 (priority 1)

0001 Priority2 (Priority 2)

The concept of grouping is introduced in this embodiment, so that when the number of STAs accessing the network is too large, it is convenient to control and manage multiple STAs simultaneously in units of packets.

In message frame 3 sent by the AP, the value of B ₇ B ₆ is "00" and the value of B ₅ B ₄ is "00" and the value of BgBsBiBo is "0000", indicating that the type of STA is sensor type, and its grouping For group 1, and the priority of its access channel is priority 1, in message frame 4 sent by the AP, the value of B ₇ B ₆ is "00" and the value of B ₅ B ₄ is "01" and BgBsBiB. The value of "0001" indicates that the type of the STA is also the sensor type, and is grouped into group 2, and the priority of the access channel is priority 2, wherein the priority is also related to the packet, and the different packets correspond to The priorities may be the same or different, so priority 1 and priority 2 may be the same or different.

In message frame 5 sent by the AP, the value of B ₇ B ₆ is "00" and the value of B ₅ B ₄ is "00" and the value of BgBsBiBo is "0000", indicating that the type of STA is sensor type, and its grouping For group 1, and the priority of its access channel is priority 1, in message frame 6 sent by the AP, the value of B ₇ B ₆ is "01" and the value of B ₅ B ₄ is "01" and BgBsBiB. If the value is "0001", the type of the STA is offloading, and the group is group 2, and the priority of the access channel is priority 2. The priority is related to the type and group of the STA. The priority of the type STA is different, and the priority 1 is higher than the priority 2.

It can be seen from the above design that for STAs in different groups, the type and grouping of STAs determine the priority of the STAs. Even if the types of multiple STAs are the same, multiple STAs may be determined due to different packets. The priorities of the channels are different. When multiple STAs are different, they cannot be in the same group. In this case, the type and the packet jointly determine that the priority of multiple STA access channels must be different. Through the technical solution of the embodiment, the STAs of different types and different groups can be controlled to access the network in an orderly manner.

It should be noted that, in the above embodiment, although the role of the eight bits of the reserved bits is specifically divided, those skilled in the art should understand that the above-mentioned division of the reserved bits is only an example. It can also be divided into different ways according to actual needs.

2. Solve the conditions set by the EDCA parameter set.

a. The message frame carrying the EDCA parameter set provided in the embodiment of the present invention is also set with the information element identifier based on the mechanism of FIG. 5, and may be identified by a reserved bit in the Element ID (specificity ID). Shown as follows:

In the above table, when the STA finds that the received message frame has a value of 222, the EDCA parameter such as the priority (and group group number) of the access channel in the message frame can be determined, and the message frame can be further Analyze and access the network according to the parsed EDCA parameters.

Through the above technical solutions, the concept of "multiple EDCA parameter sets should be defined in the standard" proposed in the 802. l lah project group is perfected, which is beneficial to sensors like sensors (usually battery-powered and with long battery replacement). It has a high priority when entering the network, which is conducive to power saving of the device. For such devices that use Off-loading for Wi-Fi networks (usually mobile phones, which can be charged frequently), it has a lower priority access network, which ensures that when When a large number of terminals need to access the network at the same time, they should access the network according to the priority order, which is beneficial to the overall equipment power saving. (If there is no priority level, a large number of devices are connected to the network, and the possibility of conflict is much higher than pressing Priority-order access to the network creates conflicting possibilities) and improves overall access network efficiency. At the same time, the concept of grouping is proposed, which helps the AP to group a large number of terminals and manage them according to the group, which reduces the number of messages sent by the AP, improves management efficiency, saves power consumption, and can also control different terminal connections based on packets. The priority of entering the network.

In summary, the data communication device and the data communication method can be implemented by the technical solution of the present invention, and the AP can be configured to set multiple channel access parameter sets of the STA in detail, so that the STA accessing the network can be well controlled. .

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

Claim

A data communication device, comprising:

The data processing module generates a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit, where the value of the terminal type identifier bit indicates a type of the terminal, and the user access channel takes precedence. The value of the level parameter identifier bit indicates the priority of the access channel set by the terminal;

The data interaction module sends the message frame.

The data communication device according to claim 1, wherein when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value. The terminal indicates that the terminal is of an unloading type, and the value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as both a sensor type and an unloading type. The first value, the second value, and the third value are different from each other.

The data communication device according to claim 2, wherein the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, Or the value of the terminal type identifier bit is the second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value and The value of the user access channel priority parameter identifier is a sixth value, where the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier is The fourth value indicates that the terminal has the highest priority, and the value of the user access channel priority parameter identifier bit indicates that the terminal has the lowest priority.

The data communication device according to claim 2, wherein the terminal type identifier bit and the user access channel priority parameter identifier bit both comprise an enhanced distributed channel access parameter set in the message frame. One or more bits or a mixed coordination function in the message frame controls one or more bits of the channel access parameter set.

The data communication device according to claim 2, wherein the message frame further includes a packet information identifier bit, and the value of the packet information identifier bit is represented by a type group number set by the terminal.

6. The data communication apparatus according to claim 5, wherein the packet information flag bit comprises one or more bits in an enhanced distributed channel access parameter set in the message frame or a mixture in the message frame. The coordination function controls one or more bits of the channel access parameter set.

The data communication apparatus according to any one of claims 1 to 6, wherein the message frame is a beacon frame, a probe response frame, an association response frame, an open system authentication response frame, or a reassociation response frame. .

8. A data communication method, comprising:

And generating a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit, where the value of the terminal type identifier bit indicates a type of the terminal, and the user access channel priority parameter identifier bit The value of the access channel is the priority of the access channel set by the terminal;

Send the message frame.

The data communication method according to claim 8, wherein, when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value. The terminal indicates that the terminal is of an unloading type, and the value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as both a sensor type and an unloading type. The first value, the second value, and the third value are different from each other.

The data communication method according to claim 9, wherein the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, Or the value of the terminal type identifier bit is the second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value and The value of the user access channel priority parameter identifier is a sixth value, where the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier is The fourth value indicates that the terminal has the highest priority, and the value of the user access channel priority parameter identifier bit indicates that the terminal has the lowest priority.

The data communication method according to claim 9, wherein the terminal type identifier bit and the user access channel priority parameter identifier bit both comprise an enhanced distributed channel access parameter set in the message frame. One or more bits or a mixed coordination function in the message frame controls one or more bits of the channel access parameter set.

The data communication method according to claim 9, wherein the message frame further includes a packet information identifier bit, and the value of the packet information identifier bit is represented by a type group number set by the terminal.

13. The data communication method according to claim 12, wherein the packet information flag includes one or more bits in the enhanced distributed channel access parameter set in the message frame or a mixture in the message frame. The coordination function controls one or more bits of the channel access parameter set.

The data communication method according to any one of claims 8 to 13, wherein the message frame is a beacon frame, a probe response frame, an association response frame, an open system authentication response frame, or a reassociation response frame. .

A data communication device, comprising:

The data interaction module receives a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit;

a data processing module, the value of the terminal type identifier bit and the value of the user access channel priority parameter identifier bit are obtained from the message frame, where the value of the terminal type identifier bit indicates the type of the terminal, and the user The value of the access channel priority parameter identifier bit indicates the priority of the access channel set by the access point for the terminal.

The data communication device according to claim 15, wherein when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value. The terminal indicates that the terminal is of an unloading type, and the value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as both a sensor type and an unloading type. The first value, the second value, and the third value are different from each other.

The data communication device according to claim 16, wherein the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value. Or the value of the terminal type identifier bit is the second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value and The value of the user access channel priority parameter identifier is a sixth value, where the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier is The fourth value indicates that the terminal has the highest priority, and the user access channel priority parameter The value of the flag bit indicates that the terminal has the lowest priority.

The data communication device according to claim 16, wherein the terminal type identifier bit and the user access channel priority parameter identifier bit both comprise an enhanced distributed channel access parameter set in the message frame. One or more bits or a mixed coordination function in the message frame controls one or more bits of the channel access parameter set.

The data communication device according to claim 16, wherein the message frame further includes a packet information identifier bit, and the data processing module further acquires a value of the packet information identifier bit from the message frame. The value of the group information identifier bit is represented by a type group number set by the terminal.

20. The data communication apparatus according to claim 19, wherein the packet information flag includes one or more bits in the enhanced distributed channel access parameter set in the message frame or a mixture in the message frame. The coordination function controls one or more bits of the channel access parameter set.

The data communication apparatus according to any one of claims 15 to 20, wherein the message frame is a beacon frame, a probe response frame, an association response frame, an open system authentication response frame, or a reassociation response frame. .

22. A data communication method, comprising:

Receiving a message frame, where the message frame includes at least a terminal type identifier bit and a user access channel priority parameter identifier bit;

Obtaining, by the message frame, a value of the terminal type identifier bit and a value of the user access channel priority parameter identifier bit, where the value of the terminal type identifier bit indicates a type of the terminal, and the user access channel takes precedence The value of the level parameter identification bit indicates the priority of the access channel set by the access point for the terminal.

The data communication method according to claim 22, wherein, when the value of the terminal type identifier bit is a first value, the terminal is a sensor type, and the value of the terminal type identifier bit is a second value. The terminal indicates that the terminal is of an unloading type, and the value of the terminal type identifier bit is a third value indicating that the terminal is a hybrid type, and the hybrid type indicates that the terminal can be used as both a sensor type and an unloading type. The first value, the second value, and the third value are different from each other.

The data communication method according to claim 23, wherein the value of the terminal type identifier bit is the first value, and the value of the user access channel priority parameter identifier bit is a fourth value, Or the value of the terminal type identifier bit is the second value, and the value of the user access channel priority parameter identifier bit is a fifth value, or the value of the terminal type identifier bit is the third value and The value of the user access channel priority parameter identifier is a sixth value, where the fourth value, the fifth value, and the sixth value are different from each other, and the value of the user access channel priority parameter identifier is The fourth value indicates that the terminal has the highest priority, and the value of the user access channel priority parameter identifier bit indicates that the terminal has the lowest priority.

The data communication method according to claim 23, wherein the terminal type identifier bit and the user access channel priority parameter identifier bit both comprise an enhanced distributed channel access parameter set in the message frame. One or more bits or a mixed coordination function in the message frame controls one or more bits of the channel access parameter set.

The data communication method according to claim 23, wherein the message frame further includes a packet information identifier bit, and the data communication method further includes:

And acquiring, by the message frame, a value of the packet information identifier bit, where the value of the packet information identifier bit is represented by a type group number set by the terminal.

27. The data communication method according to claim 26, wherein the packet information flag includes one or more bits in the enhanced distributed channel access parameter set in the message frame or a mixture in the message frame. The coordination function controls one or more bits of the channel access parameter set.

The data communication method according to any one of claims 22 to 27, wherein the message frame is a beacon frame, a probe response frame, an association response frame, an open system authentication response frame, or a reassociation response frame. .