CN113079578B - Smart screen wireless screen projection data priority transmission method and system - Google Patents
Smart screen wireless screen projection data priority transmission method and system Download PDFInfo
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- CN113079578B CN113079578B CN202110333215.5A CN202110333215A CN113079578B CN 113079578 B CN113079578 B CN 113079578B CN 202110333215 A CN202110333215 A CN 202110333215A CN 113079578 B CN113079578 B CN 113079578B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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Abstract
The invention discloses a priority transmission method of intelligent screen wireless projection data, which comprises the following steps: configuring screen projection data message characteristics of the intelligent screen network system; in the process of transmitting and receiving data packets by the wireless network card, identifying a wireless screen casting station according to the configured characteristics of the screen casting data messages; formulating and configuring a broadband occupation time distribution scheme, and distributing broadband occupation time to the wireless screen casting station according to the broadband occupation time distribution scheme; and transmitting wireless screen projection data according to the allocated broadband occupation time. The invention can realize the prior transmission of the wireless screen projection data of the smart screen, flexibly adjust the occupied time of the broadband, maximize the data transmission efficiency and simultaneously support the simultaneous screen projection of multiple allocations without blocking.
Description
Technical Field
The invention relates to the technical field of wireless data transmission, in particular to a method and a system for preferentially transmitting intelligent screen wireless projection data.
Background
The application of wireless screen of throwing of current wisdom screen is very general, and the demand that screen was thrown to four minute screens increases, but the AP (WIFI focus) of wisdom screen has following defect: firstly, the default Airtime Fairness function provides the same number of broadband occupation time lengths for each station, and the station for wireless screen projection cannot be preferentially ensured to acquire more broadband occupation time lengths to realize the prior forwarding of screen projection data. Secondly, the AP of some intelligent screens does not support Airtime Fairness function, so that the station with low speed connection occupies too long broadband occupation time, and data transmission of key service stations is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the default Airtime Fairness function cannot ensure that a wireless screen projection station acquires more broadband occupied time to realize the prior forwarding of screen projection data, so that the problem that the station with low speed connection occupies too long broadband time is caused. The method and the system for preferentially transmitting the intelligent screen wireless screen projection data solve the problem of preferentially transmitting the wireless screen projection data.
The invention is realized by the following technical scheme:
a priority transmission method for intelligent screen wireless projection data comprises the following steps:
step 1: configuring screen projection data message characteristics of the intelligent screen network system;
step 2: in the process of transmitting and receiving data packets by the wireless network card, identifying a wireless screen casting station according to the configured characteristics of the screen casting data messages;
and 3, step 3: formulating and configuring a broadband occupation time distribution scheme, and distributing broadband occupation time to the wireless screen casting station according to the broadband occupation time distribution scheme;
and 4, step 4: and transmitting wireless screen projection data according to the allocated broadband occupation time.
Compared with the prior art, the method has the advantages that firstly, specific optimization is carried out on the basis of the universal Airtime Fairness technology, the default message characteristics of the intelligent screen network system are configured, the wireless screen casting stations are automatically identified according to the configured message characteristics, and the broadband occupation time is specifically distributed for the wireless screen casting stations, so that the problem that the wireless screen casting stations cannot transmit data preferentially because the universal Airtime Fairness technology provides the same number of broadband occupation time for each station is solved. And secondly, the broadband time duration occupation time of the wireless screen projection station and the non-wireless screen projection station is flexibly controlled by formulating a broadband occupation time duration distribution scheme, and the optimal scheme can be adjusted according to the actual condition by the broadband occupation time duration distribution scheme, so that the prior transmission mode of the intelligent screen wireless screen projection data is optimized.
As a further description of the present invention, the configuration method of the characteristics of the screen-casting data message is as follows: and configuring a transmission layer protocol and a transmission layer port in the screen projection data message characteristic through a configuration interface provided by the intelligent network system.
As a further description of the present invention, the screen-shot data message features include: the screen projection protocol manages message characteristics and screen projection protocol data message characteristics.
As a further description of the present invention, the identification method of the wireless screen projection station is as follows: and performing message characteristic detection on all the transmitting and receiving data packets, and if the transmitting and receiving data packets containing the messages matched with the characteristics of the screen projection data messages are detected, determining the site corresponding to the mac address of the transmitting and receiving data packets as a wireless screen projection site.
The method for making the broadband occupation time length distribution scheme comprises the following steps: setting a broadband occupation time upper limit X of each non-wireless screen projection station and a broadband occupation time upper limit sum Y of all the non-wireless screen projection stations for the non-wireless screen projection stations; and for the wireless screen projection stations, setting a lower limit M of the broadband occupation time of each wireless screen projection station and a total N of the upper limits of the broadband occupation time of all the wireless screen projection stations.
The invention also discloses a method for realizing the simultaneous screen projection of multiple split screens by configuring the lower limit and the upper limit of the broadband occupation time of a plurality of sites.
As a further description of the present invention, the above-mentioned upper limit X of the broadband occupancy duration, the sum Y of the upper limit of the broadband occupancy duration, the lower limit M of the broadband occupancy duration, and the sum N of the upper limit of the broadband occupancy duration may be modified by configuration.
A wireless screen projection data's of wisdom screen priority transmission system includes:
the message characteristic configuration module is used for configuring screen projection data message characteristics of the intelligent screen network system;
the wireless screen-casting station identification module is used for identifying the wireless screen-casting station according to the configured characteristics of the screen-casting data message in the process of transmitting and receiving the data packet by the wireless network card;
the airtime scheme configuration module is used for configuring a broadband occupation time length distribution scheme to the intelligent network system through a configuration interface;
the broadband occupation time distribution module is used for distributing broadband occupation time to the wireless screen casting station according to the broadband occupation time distribution scheme;
and the screen projection data transmission module is used for transmitting the wireless screen projection data according to the allocated broadband occupation time length.
As a further description of the present invention, the message characteristic configuration module includes:
a transmission layer protocol configuration unit, configured to configure a transmission layer protocol in the screen-casting data message characteristic;
and the transmission layer port configuration unit is used for configuring the transmission layer port in the screen projection data message characteristic.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention discloses a method and a system for preferentially transmitting intelligent screen wireless screen projection data, which can realize the preferential transmission of the intelligent screen wireless screen projection data;
2. the invention relates to a method and a system for preferentially transmitting wireless screen projection data of an intelligent screen, which support multi-distribution simultaneous screen projection without blocking;
3. the method and the system for preferentially transmitting the intelligent screen wireless projection data can flexibly adjust the occupation duration of the broadband occupation duration, so that the data transmission efficiency is maximized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a flowchart of a method for preferentially transmitting smart screen wireless projection data according to embodiment 1 of the present invention.
Fig. 2 is a frame diagram of a system for preferentially transmitting smart screen wireless projection data according to embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
on the network topology, the site is directly connected with the WIFI hotspot of the intelligent screen to access the intelligent screen network for screen projection. The method for guaranteeing the priority transmission of the wireless screen projection data is realized by allocating more broadband occupation time for the wireless screen projection station. This requires identifying whether a station is a wireless screen-casting station and then allocating an appropriate bandwidth occupancy time to the station.
The method for preferentially transmitting the wireless screen casting data of the smart screen is characterized in that specific optimization is carried out on the basis of a general Airtime Fairness technology, default message characteristics of a network system of the smart screen are configured, wireless screen casting stations are automatically identified according to the configured message characteristics, and broadband occupation time is specifically distributed for the wireless screen casting stations, so that the problem that the wireless screen casting stations cannot preferentially transmit data due to the fact that the same number of broadband occupation time is provided for each station by the general Airtime Fairness technology is solved. The specific implementation steps of the method are shown in figure 1.
As shown in the figure, a method for preferentially transmitting intelligent screen wireless projection data comprises the following steps:
step 1: and configuring screen projection data message characteristics of the intelligent screen network system.
The screen-casting message characteristics include but are not limited to screen-casting protocol management message characteristics and screen-casting protocol data message characteristics, and the configuration method comprises the following steps: and configuring a transmission layer protocol (UDP/TCP) and a transmission layer port in the characteristics of the screen projection data message through a configuration interface provided by the intelligent network system.
And 2, step: and in the process of receiving and transmitting the data packet by the wireless network card, identifying the wireless screen casting station according to the configured screen casting data message characteristics.
The method specifically comprises the following steps: when the wireless network card receives and transmits data packets, message feature detection is carried out on all the receiving and transmitting data packets according to the configured characteristics of the screen-casting data messages in the wireless drive codes, and if the receiving and transmitting data packets containing the messages matched with the characteristics of the screen-casting data messages are detected, the site corresponding to the mac address of the receiving and transmitting data packets is the wireless screen-casting site.
And step 3: and formulating and configuring a broadband occupation time distribution scheme, and distributing the broadband occupation time to the wireless screen casting station according to the broadband occupation time distribution scheme. The allocation scheme of the broadband occupation time length specifically comprises the following steps: for non-wireless screen projection stations, setting an upper limit X (default is 5%) of broadband occupation duration of each non-wireless screen projection station and a total Y (default is 30%) of the broadband occupation duration of all the non-wireless screen projection stations; for the wireless screen projection stations, setting a lower limit M (default 10%) of broadband occupation duration of each wireless screen projection station and a total N (default 70%) of the broadband occupation duration of all the wireless screen projection stations. When the broadband occupation time is distributed, calculation is carried out according to the number of the current total stations, the number of screen projection stations and the flow of each station, more broadband occupation time is distributed to the screen projection stations, the broadband occupation time is better prioritized than the screen projection stations in terms of the broadband occupation time resource, and screen projection data is guaranteed to be received and transmitted preferentially.
And 4, step 4: and transmitting wireless screen projection data according to the allocated broadband occupation time.
Example 2:
fig. 2 is a frame diagram of a preferred transmission system for wireless screen projection data of the smart screen according to the present embodiment. As shown in the figure, this wisdom screen wireless projection screen data's preferential transmission system includes:
the message characteristic configuration module is used for configuring screen projection data message characteristics of the intelligent screen network system;
the wireless screen-casting station identification module is used for identifying the wireless screen-casting station according to the configured characteristics of the screen-casting data message in the process of transmitting and receiving the data packet by the wireless network card;
the airtime scheme configuration module is used for configuring a broadband occupation time length distribution scheme to the intelligent network system through a configuration interface;
the broadband occupation time distribution module is used for distributing broadband occupation time to the wireless screen casting station according to the broadband occupation time distribution scheme;
and the screen projection data transmission module is used for transmitting the wireless screen projection data according to the allocated broadband occupation time length.
The message characteristic configuration module includes:
a transmission layer protocol configuration unit, configured to configure a transmission layer protocol in the screen-casting data message characteristic;
and the transmission layer port configuration unit is used for configuring the transmission layer port in the screen projection data message characteristic.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A priority transmission method of intelligent screen wireless projection data is characterized by comprising the following steps:
step 1: configuring screen projection data message characteristics of the intelligent screen network system;
step 2: in the process of transmitting and receiving data packets by the wireless network card, identifying a wireless screen projection station according to the configured characteristics of the screen projection data message;
the method for identifying the wireless screen projection station comprises the following steps: performing message characteristic detection on all the transceiving data packets, and if the transceiving data packets containing the messages matched with the screen projection data message characteristics are detected, determining the site corresponding to the mac address of the transceiving data packets as a wireless screen projection site;
and step 3: formulating and configuring a broadband occupation time distribution scheme, and distributing broadband occupation time to the wireless screen casting station according to the broadband occupation time distribution scheme;
the method for formulating and configuring the broadband occupation time length distribution scheme comprises the following steps:
setting a broadband occupation time upper limit X of each non-wireless screen projection station and a broadband occupation time upper limit sum Y of all the non-wireless screen projection stations for the non-wireless screen projection stations;
setting a lower limit M of broadband occupation time of each wireless screen projection station and a total N of the upper limits of the broadband occupation time of all the wireless screen projection stations for the wireless screen projection stations;
when the broadband occupation time is distributed, the broadband occupation time is calculated according to the number of the current total stations, the number of screen casting stations and the flow of each station, and the broadband occupation time is distributed to the screen casting stations according to the calculation result, so that the broadband occupation time of the wireless screen casting stations is prior to the screen casting stations;
the upper limit X of the broadband occupation time of the non-wireless screen projection station is defaulted to 5%, and the sum Y of the upper limit of the broadband occupation time of the non-wireless screen projection station is defaulted to 30%; the lower limit M of the broadband occupation time of the wireless screen projection station is default to 10%, and the sum N of the upper limit M of the broadband occupation time of the wireless screen projection station is default to 70%;
and 4, step 4: and transmitting wireless screen projection data according to the broadband occupation time.
2. The method for preferentially transmitting the intelligent screen wireless screen projection data according to claim 1, wherein the configuration method of the screen projection data message characteristics comprises the following steps: and configuring a transmission layer protocol and a transmission layer port in the screen projection data message characteristic through a configuration interface provided by the intelligent screen network system.
3. The method for preferentially transmitting the intelligent-screen wireless screen-projection data according to claim 2, wherein the screen-projection data message characteristics comprise: the screen projection protocol manages message characteristics and screen projection protocol data message characteristics.
4. The method for preferentially transmitting the intelligent-screen wireless screen projection data according to claim 1, wherein the upper limit of the broadband occupation time length X, the sum Y of the upper limit of the broadband occupation time length, the lower limit M of the broadband occupation time length and the sum N of the upper limit of the broadband occupation time length can be modified by configuration.
5. The utility model provides a wireless screen data's of throwing priority transmission system that throws of wisdom screen which characterized in that includes:
the message characteristic configuration module is used for configuring screen projection data message characteristics of the intelligent screen network system;
the wireless screen-casting station identification module is used for identifying a wireless screen-casting station according to the configured characteristics of the screen-casting data message in the process of receiving and sending a data packet by the wireless network card;
the airtime scheme configuration module is used for configuring a broadband occupation time length distribution scheme to the intelligent screen network system through a configuration interface;
a broadband occupation time length distribution module used for distributing the broadband to the wireless screen throwing site according to the broadband occupation time length distribution scheme
The occupied time length;
the screen projection data transmission module is used for transmitting wireless screen projection data according to the broadband occupation time;
the wireless screen projection station identification module comprises:
the detection and judgment unit is used for carrying out message characteristic detection on all the transceiving data packets, and if the transceiving data packets containing the messages matched with the screen-casting data message characteristics are detected, judging that the site corresponding to the mac address of the transceiving data packets is a wireless screen-casting site;
the airtime scheme configuration module comprises:
the device comprises a bandwidth occupation duration setting unit, a bandwidth occupation duration setting unit and a bandwidth display unit, wherein the bandwidth occupation duration setting unit is used for setting a bandwidth occupation duration upper limit X of each non-wireless screen projection station and a bandwidth occupation duration upper limit sum Y of all the non-wireless screen projection stations; the system is also used for setting a lower limit M of the broadband occupation time of each wireless screen casting station and the sum N of the upper limits of the broadband occupation time of all the wireless screen casting stations; the upper limit X of the broadband occupation time of the non-wireless screen projection station is defaulted to 5%, and the sum Y of the upper limit of the broadband occupation time of the non-wireless screen projection station is defaulted to 30%; the lower limit M of the broadband occupation time of the wireless screen projection station is default to 10%, and the sum N of the upper limit M of the broadband occupation time of the wireless screen projection station is default to 70%;
the broadband occupation time period allocation module comprises:
the bandwidth occupation time calculation unit is used for calculating the bandwidth occupation time according to the current total station number, the screen throwing station number and the flow of each station and sending the calculation result to the bandwidth occupation time distribution unit;
and the bandwidth occupation time length distribution unit is used for distributing the bandwidth occupation time length for the screen projection site according to the calculation result so that the bandwidth occupation time length of the wireless screen projection site is prior to the screen projection site.
6. The system of claim 5, wherein the message feature configuration module comprises:
a transmission layer protocol configuration unit, configured to configure a transmission layer protocol in the screen-casting data message characteristic;
and the transmission layer port configuration unit is used for configuring the transmission layer port in the screen projection data message characteristic.
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| JP5952427B2 (en) * | 2012-01-11 | 2016-07-13 | インターデイジタル パテント ホールディングス インコーポレイテッド | Method and apparatus for accelerated link setup between an STA and an access point of an IEEE 802.11 network |
| US9398579B2 (en) * | 2013-05-03 | 2016-07-19 | Qualcomm Incorporated | Systems and methods for downlink frequency domain multiplexing transmissions |
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