CN110913435B

CN110913435B - Communication method, device and computer readable storage medium for wireless local area network

Info

Publication number: CN110913435B
Application number: CN201811089935.6A
Authority: CN
Inventors: 董贤东
Original assignee: Meizu Technology Co Ltd
Current assignee: Meizu Technology Co Ltd
Priority date: 2018-09-18
Filing date: 2018-09-18
Publication date: 2022-09-09
Anticipated expiration: 2038-09-18
Also published as: CN110913435A

Abstract

The invention provides a communication method, equipment and a computer readable storage medium of a wireless local area network, wherein the communication method of the wireless local area network for sender equipment comprises the following steps: generating a negotiation signaling, wherein the negotiation signaling is used for RTS/CTS mechanism negotiation between the sender equipment and receiver equipment and comprises frequency band information of a plurality of target frequency bands required to be used for communication between the sender equipment and the receiver equipment; sending the negotiation signaling to the receiving party equipment under any one of the target frequency bands; after RTS/CTS mechanism negotiation is completed according to the negotiation signaling, RTS frames are configured to be sent to the receiving side equipment simultaneously under the multiple target frequency bands respectively; and receiving CTS frames which are simultaneously sent by the receiving device under the plurality of target frequency bands and respond to the RTS frames. According to the technical scheme, the frequency spectrum utilization rate can be effectively improved, so that the communication efficiency is improved, and meanwhile, the power saving of equipment is facilitated.

Description

Communication method, device and computer readable storage medium for wireless local area network

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a communication method for a wireless local area network, a sender device, a receiver device, and a computer-readable storage medium.

Background

In 7 months of 2018, IEEE (Institute of Electrical and Electronics Engineers) 802.11 established the research group EHT (Extreme High Throughput) of the next-generation Wi-Fi (Wireless Fidelity, Wireless network) technology, mainly studied how to improve the Throughput of the next-generation Wi-Fi technology to have a higher Throughput than the existing Wi-Fi technology, and it needs to use a larger bandwidth, such as 320MHz, or needs more data stream transmission, such as 16 data streams at the maximum, and in order to further improve the Throughput, the related art proposed that an AP (Access Point) device can communicate with a Station (STA) device at the same time in the frequency bands of 2.4GHz and 5GHz, and in particular relates to coordination among multiple operation channels in the AP device.

Specifically, as shown in fig. 1, an AP device may communicate with the same station device simultaneously in multiple frequency bands, for example, according To the related art, before devices communicate with each other, in order To avoid interference of hidden nodes To the communication, an RTS/CTS (Request To Send/Clear To Send) mechanism is sent first, and before sending the mechanism, a negotiation about whether To Send the RTS/CTS mechanism is performed, and according To the current standard, the above operations need To be performed in different frequency bands, which may cause the following problems:

(1) the RTS/CTS mechanism negotiation is respectively carried out under multiple frequency bands, which is not beneficial to saving electricity of equipment;

(2) the RTS/CTS mechanism negotiation is respectively carried out under multiple frequency bands, which is not beneficial to the effective utilization of frequency spectrum;

(3) in multiple frequency bands, a random back-off mechanism is also adopted to obtain a transmission opportunity and a hidden node may cause interference to a negotiation process, and if the two conditions are both satisfied, the power saving of equipment is not facilitated and the utilization rate of a frequency spectrum is not high.

Therefore, it is necessary to define new how to perform the negotiation of the RTS/CTS mechanism and the RTS/CTS interaction in multiband.

Disclosure of Invention

The invention is based on the above problems, and provides a new communication scheme, which can effectively improve the spectrum utilization rate by determining to perform the RTS/CTS mechanism negotiation under a single frequency band, and simultaneously perform the RTS/CTS mechanism negotiation in multiple frequency bands, thereby improving the communication efficiency and being beneficial to saving electricity of equipment.

In view of the above, according to a first aspect of the present invention, a communication method of a wireless local area network is provided, where the communication method is used for a sender device, and the communication method of the wireless local area network includes: generating a negotiation signaling, wherein the negotiation signaling is used for RTS/CTS mechanism negotiation between the sender equipment and receiver equipment and comprises frequency band information of a plurality of target frequency bands required to be used for communication between the sender equipment and the receiver equipment; sending the negotiation signaling to the receiving party equipment under any one of the target frequency bands; after RTS/CTS mechanism negotiation is completed according to the negotiation signaling, RTS frames are configured to be sent to the receiving side equipment simultaneously under the multiple target frequency bands respectively; and receiving CTS frames which are simultaneously sent by the receiving device under the plurality of target frequency bands and respond to the RTS frames.

In the technical scheme, when the sending device and the receiving device communicate in a plurality of target frequency bands supported together, the sending device sends a negotiation signaling for RTS/CTS mechanism negotiation to the receiving device in one of the target frequency bands to determine that the receiving device interacts with the RTS/CTS mechanism in the target frequency bands respectively and simultaneously after the RTS/CTS mechanism negotiation is completed, so that both communication parties do not need to perform the RTS/CTS mechanism negotiation in each of the target frequency bands, the spectrum utilization rate can be effectively improved, the power saving of the devices is facilitated, and the simultaneous communication in multiple frequency bands is realized by performing the interaction of the RTS frame and the CTS frame in the target frequency bands, the communication efficiency can be further improved, and the throughput of the system can be indirectly improved.

In the foregoing technical solution, preferably, after receiving the CTS frame, the method for communicating in the wireless local area network further includes: respectively and simultaneously sending a protocol data unit (PPDU) to the receiving side equipment under the plurality of target frequency bands; and the negotiation signaling further includes first time length information for simultaneously sending the PPDU under the multiple target frequency bands, where the first time length information is used for setting network allocation vector time lengths by other receiver devices except the receiver device that receives the RTS frame, where the other receiver devices may communicate with the sender device under the multiple target frequency bands.

In the technical solution, after completing the transceiving switching between the sending device and the receiving device through the interaction of the RTS frame and the CTS frame, the PLCP (Physical Layer Convergence Procedure) Protocol Data unit PPDU (presentation Protocol Data unit) may be sent to the receiving device at multiple target frequency bands at the same time, further considering that the Data amount sent at different frequency bands may be different, and the adopted modulation and Coding mcs (modulation and Coding scheme) modes may also be different, and the communication time lengths of the sending and receiving parties at different frequency bands may also be different, and in order to further improve the communication efficiency, the duration information of the Protocol Data unit PPDU may be set in the negotiation signaling, so that the receiving device except the current receiving device, which may communicate with the sending device at the multiple target frequency bands, sets its own network Allocation vector (nav) vector according to the duration information, in order to avoid that other receiver devices preempt the channel when the sender device communicates with the receiver device currently receiving the RTS frame.

In any of the above technical solutions, preferably, the communication method of the wireless local area network further includes: and receiving a feedback message frame aiming at the PPDU sent by the receiving side equipment under any target frequency band for sending the negotiation signaling.

In the technical scheme, it may be configured that the frequency band used when the negotiation signaling is sent receives a feedback message frame corresponding to the protocol data unit PPDU simultaneously sent in multiple target frequency bands, that is, feedback of the receiving condition of the protocol data unit PPDU in multiple frequency bands is implemented in one frequency band, so as to further improve communication efficiency and indirectly improve system throughput.

In any of the above technical solutions, preferably, the communication method of the wireless local area network further includes: detecting whether the time lengths occupied when the protocol data unit PPDU is simultaneously transmitted under the plurality of target frequency bands are the same or not; if the two PPDUs are different, determining the appointed frequency band with the longest occupied time when the protocol data unit PPDU is sent; and receiving a feedback message frame aiming at the PPDU sent by the receiving side equipment under the appointed frequency band.

In the technical scheme, the method can be configured to receive the feedback message frame corresponding to the protocol data unit PPDU sent by all frequency bands under the frequency band with the longest occupied time when the protocol data unit PPDU is sent simultaneously under a plurality of target frequency bands, namely, the feedback of the receiving condition of the protocol data unit PPDU under a plurality of frequency bands is realized under the frequency band with the longest occupied time when the protocol data unit PPDU is sent, thereby ensuring that the protocol data unit PPDU under all frequency bands can be completely transmitted, further improving the communication efficiency and indirectly improving the throughput of the system.

In any of the above technical solutions, preferably, the negotiation signaling further includes second duration information of the feedback message frame, where the second duration information is used for other sender devices except the sender device that receives the feedback message frame to set network allocation vector duration, and the other sender devices may communicate with the receiver device in the multiple target frequency bands.

In the technical solution, specifically, the negotiation signaling for performing the RTS/CTS mechanism negotiation may include duration information of a feedback message frame to inform the receiving side device of network allocation vector duration information of other sending side devices, which can perform communication with the receiving side device simultaneously in multiple frequency bands, except the sending side device receiving the feedback message frame, so as to avoid the receiving side device preempting the channel to send the feedback message frame when the channel is busy, thereby further improving communication efficiency.

In any of the foregoing technical solutions, preferably, before the generating the negotiation signaling, the communication method of the wireless local area network further includes: broadcasting a generated first management frame, wherein the first management frame comprises first frequency band information of a plurality of frequency bands supported by the sender equipment; receiving a second management frame broadcasted by the receiving party equipment, wherein the second management frame comprises second frequency band information of a plurality of frequency bands supported by the receiving party equipment; and determining the plurality of target frequency bands according to the first frequency band information and the second frequency band information.

In the technical scheme, the sender device and the receiver device may specifically broadcast by placing a plurality of frequency band information supported by each in advance in corresponding management frames, so that the two parties determine a plurality of target frequency bands supported by both the sender device and the receiver device after receiving the management frames broadcast by the other party, so that the sender device and the receiver device communicate in the plurality of target frequency bands, and communication efficiency is improved.

According to a second aspect of the present invention, there is provided a sender device comprising: a processor; a memory configured to store executable instructions of the processor, wherein the processor is configured to implement the steps of the communication method of the wireless local area network according to any one of the solutions of the first aspect when the processor executes the executable instructions stored in the memory.

According to a third aspect of the present invention, there is provided a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the communication method of the wireless local area network as set forth in any one of the above-mentioned aspects of the first aspect.

According to a fourth aspect of the present invention, a communication method of a wireless local area network is provided, where the communication method is used for a receiving device, and the communication method of the wireless local area network includes: receiving a negotiation signaling sent by a sending party device under any frequency band, wherein the negotiation signaling is used for the receiving party device and the sending party device to carry out RTS/CTS mechanism negotiation; analyzing the negotiation signaling to acquire frequency band information of a plurality of target frequency bands which are needed to be used by the receiver equipment and the sender equipment for communication and are contained in the negotiation signaling, wherein the plurality of target frequency bands comprise any frequency band; after RTS/CTS mechanism negotiation is completed according to the negotiation signaling, RTS frames respectively and simultaneously sent by the sender equipment under the multiple target frequency bands are received; and respectively and simultaneously sending CTS frames responding to the RTS frames to the sender equipment under the plurality of target frequency bands.

In the technical scheme, when the receiving side device and the sending side device communicate under a plurality of target frequency bands supported together, the receiving device sends the negotiation signaling for RTS/CTS mechanism negotiation in one of the target frequency bands, and determines to perform the interaction of the RTS frame and the CTS frame simultaneously respectively under the plurality of target frequency bands after the RTS/CTS mechanism negotiation is completed with the sending device through analyzing the negotiation signaling, thus, both communication parties do not need to carry out the negotiation of RTS/CTS mechanism under each frequency band of a plurality of target frequency bands, the frequency spectrum utilization rate can be effectively improved, the power saving of equipment is facilitated, and through the interaction of the RTS frame and the CTS frame under a plurality of target frequency bands, the simultaneous communication under a plurality of frequency bands is realized, the communication efficiency can be further improved, and the throughput of the system can also be indirectly improved.

In the foregoing technical solution, preferably, after sending the CTS frame, the method for communicating in the wireless local area network further includes: analyzing the negotiation signaling to obtain first time length information of a protocol data unit (PPDU), wherein the first time length information is used for other receiver devices except the receiver device receiving the RTS frame to set network allocation vector duration; receiving the protocol data unit PPDU respectively and simultaneously transmitted by the sender equipment under the plurality of target frequency bands according to the first time length information; wherein the other receiver devices may communicate with the sender device in the plurality of target frequency bands.

In the technical scheme, after the receiving and sending switching between the receiving device and the sending device is completed through the interaction of the RTS frame and the CTS frame, the PPDU sent by the sending device may be received simultaneously in multiple target frequency bands, and in particular, considering that the amount of data sent in different frequency bands may be different and the modulation and coding schemes used may also be different, the communication time lengths of the transmitting and receiving parties in different frequency bands may be different, and in order to further improve the communication efficiency, the receiving of the protocol data unit PPDU may be performed according to duration information of the protocol data unit PPDU included in the negotiation signaling, the duration information is used for other receiving party devices which can communicate with the sending party device under the multiple target frequency bands to respectively set the network allocation vector NAV duration of the receiving party devices, so that the other receiving party devices are prevented from seizing the channel when communicating with the sending party device.

In any of the above technical solutions, preferably, the communication method of the wireless local area network further includes: and analyzing the negotiation signaling to obtain second duration information of a feedback message frame aiming at a protocol data unit (PPDU), wherein the second duration information is used for other sender devices except the sender device receiving the feedback message frame to set network allocation vector duration, and the other sender devices can communicate with the receiver device under the plurality of target frequency bands.

In the technical solution, specifically, duration information of a feedback message frame for a PPDU (protocol data unit) can be obtained by analyzing a negotiation signaling for performing RTS/CTS mechanism negotiation, so as to obtain, according to the duration information, network allocation vector duration information of other sender devices that can communicate with a receiver device simultaneously in multiple frequency bands, except for receiving the feedback message frame, so as to avoid preempting a channel to send the feedback message frame when the channel is busy, thereby further improving communication efficiency.

In any of the above technical solutions, preferably, the communication method of the wireless local area network further includes: and sending the feedback message frame to the sender equipment according to the second duration information under any frequency band for receiving the negotiation signaling.

In this technical solution, it may be configured that, according to the second duration information, sending of a feedback message frame corresponding to a protocol data unit PPDU that is sent simultaneously in multiple target frequency bands is performed in the frequency band in which the negotiation signaling is received, that is, feedback of a reception condition of the protocol data unit PPDU in multiple frequency bands is implemented in one frequency band, so as to further improve communication efficiency and indirectly improve throughput of the system.

In any of the above technical solutions, preferably, the communication method of the wireless local area network further includes: detecting whether the time length occupied when the protocol data unit PPDU is simultaneously transmitted under the plurality of target frequency bands is the same or not; if the two PPDUs are different, determining the appointed frequency band with the longest occupied time when the protocol data unit PPDU is sent; and sending the feedback message frame to the sender equipment according to the second duration information under the specified frequency band.

In the technical scheme, the transmission of the corresponding feedback message frame can be configured under the frequency band with the longest occupied time when the protocol data unit PPDU is simultaneously transmitted under a plurality of target frequency bands according to the second time length information, namely, the feedback of the receiving condition of the protocol data unit PPDU under a plurality of frequency bands is realized under the frequency band with the longest occupied time when the protocol data unit PPDU is transmitted, so that the communication efficiency is further improved and the throughput of the system is indirectly improved while the protocol data unit PPDU under all frequency bands is ensured to be completely transmitted.

In any of the above technical solutions, preferably, before the receiving the negotiation signaling sent by the sender device in any frequency band, the communication method of the wireless local area network further includes: broadcasting a generated first management frame, wherein the first management frame comprises first frequency band information of a plurality of frequency bands supported by the receiving side equipment; receiving a second management frame broadcasted by the sender device, wherein the second management frame comprises second frequency band information of a plurality of frequency bands supported by the sender device; and determining the plurality of target frequency bands according to the first frequency band information and the second frequency band information.

In the technical scheme, the receiver device and the sender device may specifically perform broadcasting by placing a plurality of frequency band information supported by each in the corresponding management frame in advance, so that after receiving the management frame broadcast by the other party, the two parties determine a plurality of target frequency bands supported by both parties, so that the receiver device and the sender device can perform communication in the plurality of target frequency bands, and communication efficiency is improved.

According to a fifth aspect of the present invention, there is provided a receiving apparatus comprising: a processor; a memory for storing executable instructions of the processor, wherein the processor is configured to implement the steps of the communication method of the wireless local area network according to any one of the solutions of the fourth aspect when executing the executable instructions stored in the memory.

According to a sixth aspect of the present invention, there is provided a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the communication method of the wireless local area network according to any one of the above-mentioned technical solutions of the fourth aspect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a diagram illustrating communication between an AP device and an STA device in multiple frequency bands in the related art;

fig. 2 is a flowchart illustrating a communication method for a wireless local area network of a sender device according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating a communication method between an access point device and a station device according to an embodiment of the present invention;

fig. 4 shows a schematic block diagram of a communication apparatus of a wireless local area network for a sender device of an embodiment of the present invention;

fig. 5 shows a schematic block diagram of a sender device of a first embodiment of the present invention;

fig. 6 shows a schematic block diagram of a sender device of a second embodiment of the present invention;

fig. 7 is a flowchart illustrating a communication method of a wireless lan for a receiver device according to an embodiment of the present invention;

fig. 8 shows a schematic block diagram of a communication apparatus of a wireless local area network for a recipient device of an embodiment of the present invention;

fig. 9 shows a schematic block diagram of a receiver device of the first embodiment of the present invention;

fig. 10 shows a schematic block diagram of a receiver device of a second embodiment of the present invention.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Example one

As shown in fig. 2, the communication method of the wireless local area network according to the embodiment of the present invention is used for a sender device, and specifically includes the following steps:

step 202, generating a negotiation signaling, where the negotiation signaling is used for performing an RTS/CTS mechanism negotiation between the sender device and the receiver device, and the negotiation signaling includes frequency band information of multiple target frequency bands that are required to be used for communication between the sender device and the receiver device.

Step 204, sending the negotiation signaling to the receiving side device in any one of the multiple target frequency bands.

Step 206, after the RTS/CTS mechanism negotiation is completed according to the negotiation signaling, configuring to simultaneously send RTS frames to the receiving device respectively under the multiple target frequency bands.

Step 208, receiving a CTS frame in response to the RTS frame, which is sent by the receiving device simultaneously in the multiple target frequency bands.

In this embodiment, when the sending device and the receiving device communicate in a plurality of target frequency bands supported together, the sending device sends a negotiation signaling for RTS/CTS mechanism negotiation to the receiving device in one of the target frequency bands, so as to determine that the receiving device interacts with the RTS frame and the CTS frame simultaneously in the target frequency bands after the RTS/CTS mechanism negotiation is completed.

Specifically, in this embodiment, the frequency band for generating and sending the negotiation signaling may preferably be a 2.4GHz frequency band, and all the target frequency bands may preferably be 2.4GHz, 5.8GHz, 6-7GHz, 45GHz, or 60GHz frequency bands.

Further, the communication method of the wireless local area network in the above embodiment further includes, in the step 208: respectively and simultaneously sending a protocol data unit (PPDU) to the receiving side equipment under the plurality of target frequency bands; and the negotiation signaling further includes first time length information for simultaneously sending the PPDU under the multiple target frequency bands, where the first time length information is used for setting network allocation vector time lengths by other receiver devices except the receiver device that receives the RTS frame, where the other receiver devices may communicate with the sender device under the multiple target frequency bands.

In this embodiment, after the transmission and reception switching between the sender device and the receiver device is completed by the interaction of the RTS frame and the CTS frame, the PPDU may be transmitted to the receiving device at the same time in multiple target frequency bands, further considering that the amount of data transmitted in different frequency bands may be different and the adopted modulation and coding MCS may also be different, the communication time lengths of the transmitting and receiving parties in different frequency bands may also be different, and in order to further improve the communication efficiency, the duration information of the PPDU may be set in the negotiation signaling, so that other receiving side devices except the current receiving side device, which may communicate with the sending side device in the multiple target frequency bands, respectively set their own network Allocation vector nav (network Allocation vector) durations according to the duration information, the method includes the steps that when a sender device communicates with a receiver device which currently receives an RTS frame, other receiver devices seize a channel; further, the Energy (ED) of the signal perceived by the device setting NAV may be different in different frequency bands.

Further, the communication method of the wireless local area network in the above embodiment may implement receiving the feedback message frame for the PPDU by one of the following two specific embodiments:

detailed description of the preferred embodiment

In the first embodiment, the communication method of the wireless local area network further includes: and receiving a feedback message frame aiming at the PPDU sent by the receiving side equipment under any target frequency band for sending the negotiation signaling.

In this embodiment, it may be configured to receive, in a frequency band used when the negotiation signaling is sent, a feedback message frame corresponding to a protocol data unit PPDU that is sent simultaneously in multiple target frequency bands, that is, to implement feedback on the reception condition of the protocol data unit PPDU in multiple frequency bands in one frequency band, so as to further improve communication efficiency and indirectly improve system throughput.

Detailed description of the invention

In a second embodiment of the present invention, the communication method of the wireless local area network further includes: detecting whether the time lengths occupied when the protocol data unit PPDU is simultaneously transmitted under the plurality of target frequency bands are the same or not; if the two are different, determining the appointed frequency band with the longest occupied time when the protocol data unit PPDU is sent; and receiving a feedback message frame aiming at the PPDU sent by the receiving side equipment under the appointed frequency band.

In this embodiment, it may be configured that, in a frequency band with the longest occupied time when the protocol data unit PPDU is simultaneously transmitted in multiple target frequency bands, the feedback message frame corresponding to the protocol data unit PPDU transmitted in all frequency bands is received, that is, the feedback of the reception condition of the protocol data unit PPDU in multiple frequency bands is implemented in the frequency band with the longest occupied time when the protocol data unit PPDU is transmitted, so that it is ensured that the protocol data unit PPDU in all frequency bands can be completely transmitted, and meanwhile, the communication efficiency is further improved, and the throughput of the system is indirectly improved.

Further, if the same, a feedback message frame for the protocol data unit PPDU sent by the receiving side device may be received in any frequency band of the multiple target frequency bands, where the feedback message frame includes a reception status information bit of the protocol data unit PPDU received in each frequency band, and may be "1101", for example, a first "1" indicates that the protocol data unit PPDU sent in the 2.4GHz frequency band is correctly received, a second "1" indicates that the protocol data unit PPDU sent in the 5.8GHz frequency band is correctly received, a third "0" indicates that the protocol data unit PPDU sent in the 6-7GHz frequency band is not correctly received, and a fourth "1" indicates that the protocol data unit PPDU sent in the 60GHz frequency band is correctly received.

Further, the negotiation signaling further includes second duration information of the feedback message frame, where the second duration information is used for setting a network allocation vector duration by other sender devices except the sender device that receives the feedback message frame, where the other sender devices may communicate with the receiver device in the multiple target frequency bands.

In this embodiment, specifically, the negotiation signaling for performing RTS/CTS mechanism negotiation may include duration information of a feedback message frame to notify the receiving side device of network allocation vector duration information of the other sending side device capable of simultaneously communicating with the receiving side device in multiple frequency bands, except the sending side device receiving the feedback message frame, so as to avoid the receiving side device preempting the channel to send the feedback message frame when the channel is busy, thereby further improving communication efficiency.

Further, in the foregoing embodiment, it is preferable that, in the setting process of the NAV duration, the length of the feedback message Frame corresponding to each of the protocol data units PPDU transmitted in different frequency bands or the length of the feedback message Frame which is transmitted in a certain frequency band and responds to the protocol data units PPDU transmitted in multiple frequency bands collectively, and an interval between the protocol data unit PPDU and the feedback message Frame, such as an interval of SIFS (Short Inter-Frame Space ) are further included.

Of course, preferably, the RTS frame and the CTS frame respectively sent in different frequency bands may also include corresponding duration information, where the duration information is the length of the protocol data unit PPDU, the length of the feedback message frame corresponding to the protocol data unit PPDU, and an interval therebetween, for example, the interval is SIFS; further, if the feedback message frame responding to the PPDU is performed in one of the multiple target frequency bands, the duration information included in the RTS frame and the CTS frame sent in the frequency band is specifically the length of the feedback message frame of the PPDU and the interval, the duration information included in the RTS frame and the CTS frame sent in other frequency bands of the multiple target frequency bands does not include the length of the feedback message frame of the PPDU and the interval, and the last flag bit is included in the RTS frame and the CTS frame in the frequency band for replying the feedback message frame to indicate that the feedback message frame of the PPDU is replied in the frequency band.

Further, before the step 202, the communication method of the wireless local area network in the above embodiment further includes: broadcasting a generated first management frame, wherein the first management frame comprises first frequency band information of a plurality of frequency bands supported by the sender equipment; receiving a second management frame broadcasted by the receiving party equipment, wherein the second management frame comprises second frequency band information of a plurality of frequency bands supported by the receiving party equipment; and determining the plurality of target frequency bands according to the first frequency band information and the second frequency band information.

In this embodiment, the sender device and the receiver device may specifically perform broadcasting by placing multiple pieces of frequency band information supported by the sender device and the receiver device in corresponding management frames in advance, so that after receiving the management frame broadcast by the other party, the two parties determine multiple target frequency bands supported by both parties, so that the sender device and the receiver device perform communication in the multiple target frequency bands, and communication efficiency is improved.

Specifically, when the receiver device or the sender device is an access point device, the corresponding management frame includes a beacon frame, a probe response frame, an association response frame, and the like; when the receiver device or the sender device is a station device, the corresponding management frame includes a probe response frame, an association response frame, and the like.

In a specific embodiment of the present invention, as shown in fig. 3, the sender device is preferably an access point device AP and the receiver device is preferably a station device STA, both of which can simultaneously communicate at 2.4GHz, 5.8GHz and 6GHz-7GHz (i.e. multiple target frequency bands), and the access point device can also perform multiband communication with other station devices at 2.4GHz, 5.8GHz and 6GHz-7GHz, respectively.

Specifically, the access point device and the station device perform communication negotiation of an RTS/CTS mechanism in any frequency band of 2.4GHz, 5.8GHz, and 6GHz-7GHz bands, and after the negotiation is completed, the access point device simultaneously sends an RTS frame to the station device in the 2.4GHz, 5.8GHz, and 6GHz-7GHz bands, and simultaneously receives a CTS frame fed back by the station device in the 2.4GHz, 5.8GHz, and 6GHz-7GHz bands, and further simultaneously sends a protocol data unit PPDU to the station device in the 2.4GHz, 5.8GHz, and 6GHz-7GHz bands after the transceiving switching is completed, and respectively receives a feedback message frame of a condition received by a reaction protocol data unit PPDU sent by the station device in any frequency band or multiple frequency bands, further considering that data amount sent in different frequency bands, and adopted modulation and coding manners may be different, and then communication duration of data interaction may also be different, in order to ensure higher communication efficiency, the other station devices may be enabled to set corresponding network allocation vector NAV durations in the 2.4GHz frequency band, the 5.8GHz frequency band and the 6GHz-7GHz frequency band, and whether the network allocation vector NAV durations in different frequency bands are the same may be determined according to specific situations.

An execution main body of the communication method of the wireless local area network shown in fig. 2 may be a sender device in the wireless local area network, and specifically, the sender device may be an access point device or a station device; and when the main body of the communication method is an access point device, it may be specifically a base station, and when the main body of the communication method is a station device, it may be specifically a smart phone or a PDA (Personal Digital Assistant) or other devices.

Based on the same inventive concept, the embodiment of the present invention further provides a communication apparatus of a wireless local area network corresponding to the method in the first embodiment, which is shown in the second embodiment.

Example two

As shown in fig. 4, a communication apparatus 40 of a wireless local area network according to an embodiment of the present invention is used for a sender device, and includes: a generating module 402, a sending module 404, a processing module 406, and a receiving module 408.

The generating module 402 is configured to generate a negotiation signaling, where the negotiation signaling is used for performing an RTS/CTS mechanism negotiation between the sending device and a receiving device, and the negotiation signaling includes frequency band information of multiple target frequency bands that are needed to be used for communication between the sending device and the receiving device; the sending module 404 is configured to send the negotiation signaling to the receiving device in any one of the multiple target frequency bands; the processing module 406 is configured to, after completing the RTS/CTS mechanism negotiation according to the negotiation signaling, configure to send RTS frames to the receiving device simultaneously and respectively in the multiple target frequency bands; the receiving module 408 is configured to receive a CTS frame in response to the RTS frame, which is sent by the receiving device simultaneously in the multiple target frequency bands.

Further, in the above embodiment, after the receiving module 408 receives the CTS frame, the sending module 404 is further configured to: respectively and simultaneously sending a protocol data unit (PPDU) to the receiving side equipment under the plurality of target frequency bands; and the negotiation signaling further includes first time length information for simultaneously sending the PPDU under the multiple target frequency bands, where the first time length information is used for setting network allocation vector time lengths by other receiver devices except the receiver device receiving the RTS frame, and the other receiver devices may communicate with the sender device under the multiple target frequency bands.

Further, in the above embodiment, the receiving module 408 is further configured to: and receiving a feedback message frame aiming at the PPDU sent by the receiving party equipment under any target frequency band for sending the negotiation signaling.

Further, in the above embodiment, the communication device 40 of the wireless local area network further includes: the detection module is used for detecting whether the occupied time lengths are the same when the protocol data unit PPDU is simultaneously transmitted under the plurality of target frequency bands; the determining module is used for determining the appointed frequency band with the longest occupied time when the protocol data unit PPDU is sent when the detection results of the detecting modules are different; and the receiving module 408 is further configured to: and receiving a feedback message frame aiming at the PPDU sent by the receiving side equipment under the appointed frequency band.

Further, the receiving module is further configured to: and if the detection results of the detection modules are the same, receiving a feedback message frame aiming at the PPDU sent by the receiving side equipment under any frequency band of the target frequency bands.

Further, in the above embodiment, the negotiation signaling further includes second duration information of the feedback message frame, where the second duration information is used for setting a network allocation vector duration by other sender devices except the sender device that receives the feedback message frame, where the other sender devices may communicate with the receiver device in the multiple target frequency bands.

Further, in the above embodiment, before the generating module 402 generates the negotiation signaling, the sending module 404 is further configured to: broadcasting a generated first management frame, wherein the first management frame comprises first frequency band information of a plurality of frequency bands supported by the sender equipment; the receiving module 408 is further configured to: receiving a second management frame broadcasted by the receiving party equipment, wherein the second management frame comprises second frequency band information of a plurality of frequency bands supported by the receiving party equipment; the processing module 406 is further configured to: and determining the plurality of target frequency bands according to the first frequency band information and the second frequency band information.

In particular implementations, the receiving module 408 may be a receiver or an antenna, etc.; the sending module 404 may be a transmitter or an antenna, etc.; the generating module 402 and the processing module 406 may be a central processor or a baseband processor, etc.

Based on the same inventive concept, the embodiment of the present invention further provides sender equipment corresponding to the method in the first embodiment, which is shown in the third embodiment.

EXAMPLE III

As shown in fig. 5, the sender device 40 according to the first embodiment of the present invention includes the communication apparatus 30 of the wireless lan described in the second embodiment, and therefore, the sender device 40 has the same technical effects as the communication apparatus 30 of the wireless lan described in the above embodiments, and is not described again here.

In particular, the sender device may be an access point device or a station device.

Based on the same inventive concept, the embodiment of the present invention further provides sender equipment corresponding to the method in the first embodiment, which is shown in the fourth embodiment.

Example four

As shown in fig. 6, the sender apparatus 50 according to the second embodiment of the present invention includes: a processor 502; a memory 504 for storing executable instructions of the processor 502, wherein the processor 502 is configured to implement the steps of the communication method of the wireless local area network corresponding to the method in the first embodiment when executing the executable instructions stored in the memory 504.

Based on the same inventive concept, the embodiment of the present invention further provides a computer-readable storage medium corresponding to the method in the first embodiment, which is shown in the fifth embodiment.

EXAMPLE five

The computer-readable storage medium according to the embodiment of the present invention stores thereon a computer program, and when executed by the processing, the computer program implements the steps of the communication method of the wireless local area network corresponding to the first embodiment.

Example six

As shown in fig. 7, the communication method of the wireless local area network according to the embodiment of the present invention is used for a receiving device, and specifically includes the following steps:

step 602, receiving a negotiation signaling sent by a sender device in any frequency band, where the negotiation signaling is used for the receiver device and the sender device to perform an RTS/CTS mechanism negotiation.

Step 604, analyzing the negotiation signaling to obtain frequency band information of a plurality of target frequency bands that are needed to be used for communication between the receiving side device and the sending side device and are included in the negotiation signaling, where the plurality of target frequency bands include the any frequency band.

Step 606, after the RTS/CTS mechanism negotiation is completed according to the negotiation signaling, receiving RTS frames respectively and simultaneously sent by the sender device under the multiple target frequency bands.

Step 608, sending CTS frames in response to the RTS frames to the sender device simultaneously and respectively in the multiple target frequency bands.

In this embodiment, when the receiver device and the sender device communicate in a plurality of target frequency bands supported in common, the receiving side device sends the negotiation signaling for the RTS/CTS mechanism negotiation in one of the target frequency bands, and determines to perform the interaction of the RTS frame and the CTS frame simultaneously respectively under the plurality of target frequency bands after the RTS/CTS mechanism negotiation is completed with the sending device through analyzing the negotiation signaling, thus, both communication parties do not need to carry out the negotiation of RTS/CTS mechanism under each frequency band of a plurality of target frequency bands, the frequency spectrum utilization rate can be effectively improved, the power saving of equipment is facilitated, and through the interaction of the RTS frame and the CTS frame under a plurality of target frequency bands, the simultaneous communication under a plurality of frequency bands is realized, the communication efficiency can be further improved, and the throughput of the system can also be indirectly improved.

Specifically, in this embodiment, the frequency band for receiving the negotiation signaling may be preferably a 2.4GHz frequency band, and all the target frequency bands may be preferably 2.4GHz frequency bands, 5.8GHz frequency bands, 6-7GHz frequency bands, 45GHz frequency bands, or 60GHz frequency bands.

Further, the communication method of the wireless local area network in the foregoing embodiment further includes, in the step 608: analyzing the negotiation signaling to obtain first time length information of a protocol data unit (PPDU), wherein the first time length information is used for other receiver devices except the receiver device receiving the RTS frame to set network allocation vector duration; receiving the protocol data unit PPDU respectively and simultaneously transmitted by the sender equipment under the plurality of target frequency bands according to the first time length information; wherein the other receiver devices may communicate with the sender device in the plurality of target frequency bands.

In this embodiment, after the transmission and reception switching between the receiver device and the sender device is completed by the interaction of the RTS frame and the CTS frame, the PPDU sent by the sending device may be received simultaneously in multiple target frequency bands, and specifically, considering that the amount of data sent in different frequency bands may be different and the modulation and coding schemes used may also be different, the communication time lengths of the transmitting and receiving parties in different frequency bands may also be different, and in order to further improve the communication efficiency, the receiving of the protocol data unit PPDU may be performed according to duration information of the protocol data unit PPDU included in the negotiation signaling, the duration information is used for other receiving party equipment which can communicate with the sending party equipment under the target frequency bands to respectively set the network allocation vector NAV duration of the receiving party equipment so as to avoid the other receiving party equipment from seizing a channel when the receiving party equipment communicates with the sending party equipment; further, the energy of the signal perceived by the device setting the NAV may be different in different frequency bands.

Further, in the above embodiment, the communication method of the wireless local area network further includes: and analyzing the negotiation signaling to obtain second duration information of a feedback message frame aiming at a protocol data unit (PPDU), wherein the second duration information is used for other sender devices except the sender device receiving the feedback message frame to set network allocation vector duration, and the other sender devices can communicate with the receiver device under the plurality of target frequency bands.

In this embodiment, specifically, the duration information of the feedback message frame for the PPDU may be obtained by analyzing a negotiation signaling for performing RTS/CTS mechanism negotiation, so as to obtain, according to the duration information, network allocation vector duration information of other sender devices that can simultaneously communicate with the receiver device in multiple frequency bands, except for receiving the feedback message frame, to avoid preempting the channel to send the feedback message frame when the channel is busy, thereby further improving communication efficiency.

Further, in the foregoing embodiment, it is preferable that, in the setting process of the NAV duration, the length of the feedback message Frame corresponding to each of the protocol data units PPDU sent in different frequency bands or the length of the feedback message Frame sent in a certain frequency band and responding to the protocol data units PPDU sent in multiple frequency bands collectively, and an interval between the protocol data unit PPDU and the feedback message Frame, such as an interval of SIFS (Short Inter-Frame Space, Short Inter-Frame interval) are further included.

Of course, preferably, the RTS frame or the CTS frame respectively sent in different frequency bands may also include corresponding duration information, where the duration information is the length of the protocol data unit PPDU, the length of the feedback message frame corresponding to the protocol data unit PPDU, and an interval therebetween, for example, the interval is SIFS; further, if the feedback message frame responding to the PPDU is performed in one of the multiple target frequency bands, the duration information included in the RTS frame or the CTS frame sent in the frequency band is specifically the length of the feedback message frame of the PPDU and the interval, the duration information included in the RTS frame or the CTS frame sent in other frequency bands of the multiple target frequency bands does not include the length of the feedback message frame of the PPDU and the interval, and the RTS frame or the CTS frame in the frequency band where the feedback message frame is replied carries a flag bit to indicate that the feedback message frame of the PPDU is replied in the frequency band.

Further, the communication method of the wireless local area network in the above embodiment may implement sending the feedback message frame for the PPDU by one of the following two specific embodiments:

detailed description of the preferred embodiment

In a first specific embodiment, the communication method of the wireless local area network further includes: and sending the feedback message frame to the sender equipment according to the second duration information under any frequency band for receiving the negotiation signaling.

In this embodiment, it may be configured that the feedback message frame corresponding to the protocol data unit PPDU that is simultaneously sent in multiple target frequency bands is sent in the frequency band in which the negotiation signaling is received according to the second duration information, that is, the feedback of the reception condition of the protocol data unit PPDU in multiple frequency bands is implemented in one frequency band, so as to further improve the communication efficiency and indirectly improve the throughput of the system.

Detailed description of the invention

In a second specific embodiment, the communication method of the wireless local area network further includes: detecting whether the time length occupied when the protocol data unit PPDU is simultaneously transmitted under the plurality of target frequency bands is the same or not; if the two are different, determining the appointed frequency band with the longest occupied time when the protocol data unit PPDU is sent; and sending the feedback message frame to the sender equipment according to the second duration information under the designated frequency band.

In this embodiment, it may be configured that the corresponding feedback message frame is sent in the frequency band with the longest occupied time when the protocol data unit PPDU is simultaneously sent in multiple target frequency bands according to the second time length information, that is, the feedback of the receiving condition of the protocol data unit PPDU in multiple frequency bands is implemented in the frequency band with the longest occupied time when the protocol data unit PPDU is sent, so that the communication efficiency is further improved while the protocol data unit PPDU in all frequency bands is ensured to be transmitted, and the throughput of the system is indirectly improved.

Further, if the same, a feedback message frame for the PPDU sent by the receiving side device may be received in any frequency band of the multiple target frequency bands, where the feedback message frame includes a reception status information bit of the PPDU received in each frequency band, for example, may be "1101", a first "1" indicates that the PPDU sent in the 2.4GHz frequency band is correctly received, a second "1" indicates that the PPDU sent in the 5.8GHz frequency band is correctly received, a third "0" indicates that the PPDU sent in the 6-7GHz frequency band is not correctly received, and a fourth "1" indicates that the PPDU sent in the 60GHz frequency band is correctly received.

Further, before the step 602, the communication method of the wireless local area network in the above embodiment further includes: broadcasting a generated first management frame, wherein the first management frame comprises first frequency band information of a plurality of frequency bands supported by the receiving side equipment; receiving a second management frame broadcasted by the sender device, wherein the second management frame comprises second frequency band information of a plurality of frequency bands supported by the sender device; and determining the plurality of target frequency bands according to the first frequency band information and the second frequency band information.

In this embodiment, the receiver device and the sender device may specifically perform broadcasting by placing multiple pieces of frequency band information supported by each in a corresponding management frame in advance, so that after receiving the management frame broadcast by the other party, the two parties determine multiple target frequency bands supported by both parties, so that the receiver device and the sender device perform communication in the multiple target frequency bands, and the communication efficiency is improved.

Specifically, when the receiver device or the sender device is an access point device, the corresponding management frame includes a beacon frame, a probe response frame, an association response frame, and the like; when the receiver device or the sender device is a station device, the corresponding management frame includes a probe response frame, an association response frame, and the like. And the plurality of frequency bands comprise 2.4GHz, 5.8GHz, 6GHz-7GHz and the like.

The main body of the execution of the communication method of the wireless local area network shown in fig. 7 may be a receiving device in the wireless local area network, and specifically, the receiving device may be an access point device or a station device; and when the main body of the communication method is an access point device, it may be specifically a base station, and when the main body of the communication method is a station device, it may be specifically a smart phone or a PDA (Personal Digital Assistant) or other devices.

Based on the same inventive concept, the embodiment of the present invention further provides a communication apparatus of a wireless local area network corresponding to the method in the sixth embodiment, as shown in the seventh embodiment.

EXAMPLE seven

As shown in fig. 8, a communication apparatus 70 of a wireless local area network according to an embodiment of the present invention is used for a receiver device, and includes: a receiving module 702, a parsing module 704, a processing module 706, and a sending module 708.

The receiving module 702 is configured to receive a negotiation signaling sent by a sender device in any frequency band, where the negotiation signaling is used for enabling the receiver device and the sender device to perform an RTS/CTS mechanism negotiation; the analysis module 704 is configured to analyze the negotiation signaling to obtain frequency band information of a plurality of target frequency bands that are required to be used for communication between the receiver device and the sender device and are included in the negotiation signaling, where the plurality of target frequency bands include any one of the frequency bands; the processing module 706 is configured to receive RTS frames that are simultaneously sent by the sender device in the multiple target frequency bands respectively after the RTS/CTS mechanism negotiation is completed according to the negotiation signaling; the sending module 708 is configured to send CTS frames in response to the RTS frame to the sender device respectively and simultaneously in the multiple target frequency bands.

In this embodiment, when the receiver device and the sender device communicate in a plurality of target frequency bands supported in common, the receiving side device sends the negotiation signaling for the RTS/CTS mechanism negotiation in one of the target frequency bands, and determines to perform the interaction of the RTS frame and the CTS frame simultaneously respectively under the plurality of target frequency bands after the RTS/CTS mechanism negotiation is completed with the sending device through analyzing the negotiation signaling, thus, both communication parties do not need to negotiate RTS/CTS mechanism under each frequency band of a plurality of target frequency bands, the spectrum utilization rate can be effectively improved, the power saving of equipment is facilitated, and through the interaction of the RTS frame and the CTS frame under a plurality of target frequency bands, the simultaneous communication under a plurality of frequency bands is realized, the communication efficiency can be further improved, and the throughput of the system can also be indirectly improved.

Further, in the above embodiment, after the sending module 708 sends the CTS frame, the parsing module 704 is further configured to: analyzing the negotiation signaling to obtain first time length information of a protocol data unit (PPDU), wherein the first time length information is used for setting network allocation vector time length for other receiving party equipment except the receiving party equipment receiving the RTS frame; and the receiving module 702 is further configured to: receiving the protocol data units PPDUs respectively and simultaneously sent by the sender equipment under the plurality of target frequency bands according to the first time length information; wherein the other receiver devices may communicate with the sender device in the plurality of target frequency bands.

Further, in the above embodiment, the parsing module 704 is further configured to: and analyzing the negotiation signaling to obtain second duration information of a feedback message frame aiming at a protocol data unit (PPDU), wherein the second duration information is used for other sender devices except the sender device receiving the feedback message frame to set network allocation vector duration, and the other sender devices can communicate with the receiver device under the plurality of target frequency bands.

Further, in the above embodiment, the sending module 708 is further configured to: and sending the feedback message frame to the sender equipment according to the second duration information under any frequency band for receiving the negotiation signaling.

Further, in the above embodiment, the communication device 70 of the wireless local area network further includes: the detection module is used for detecting whether the occupied time lengths are the same when the protocol data unit PPDU is simultaneously transmitted under the plurality of target frequency bands; the determining module is used for determining the appointed frequency band with the longest occupied time when the protocol data unit PPDU is sent when the detection results of the detecting modules are different; and the sending module 708 is further configured to: and sending the feedback message frame to the sender equipment according to the second duration information under the specified frequency band.

Further, the sending module 708 is further configured to: and when the detection results of the detection modules are the same, sending a feedback message frame aiming at the PPDU (protocol data unit) to the sending equipment in any frequency band of the target frequency bands.

Further, in the above embodiment, before the receiving module 702 receives a negotiation signaling sent by a sender device in any frequency band, the sending module 708 broadcasts a generated first management frame, where the first management frame includes first frequency band information of multiple frequency bands supported by the receiver device; the receiving module 702 is further configured to: receiving a second management frame broadcasted by the sender device, wherein the second management frame comprises second frequency band information of a plurality of frequency bands supported by the sender device; the processing module 706 is further configured to: and determining the plurality of target frequency bands according to the first frequency band information and the second frequency band information.

In particular implementations, the receiving module 702 may be a receiver or an antenna, etc.; the sending module 708 may be a transmitter or an antenna, etc.; the parsing module 704 and the processing module 706 may be a central processor or a baseband processor, etc.

Based on the same inventive concept, the embodiment of the present invention further provides receiver equipment corresponding to the method in the sixth embodiment, which is shown in the eighth embodiment.

Example eight

As shown in fig. 9, the receiver device 80 according to the first embodiment of the present invention includes the communication apparatus 70 of the wireless local area network described in the seventh embodiment, and therefore, the receiver device 80 has the same technical effects as the communication apparatus 70 of the wireless local area network described in the foregoing embodiment, and is not described again here.

In particular, the receiver device may be an access point device or a station device.

Based on the same inventive concept, the embodiment of the present invention further provides sender equipment corresponding to the method in the sixth embodiment, which is shown in the ninth embodiment.

Example nine

As shown in fig. 10, a receiving side apparatus 90 according to the second embodiment of the present invention includes: a processor 902; a memory 904 for storing executable instructions of the processor 902, wherein the processor 902 is configured to implement the steps of the communication method of the wireless local area network corresponding to the method in the sixth embodiment when executing the executable instructions stored in the memory 904.

Based on the same inventive concept, an embodiment of the present invention further provides a computer-readable storage medium corresponding to the method in the sixth embodiment, which is shown in the tenth embodiment.

Example ten

The computer-readable storage medium according to the sixth embodiment of the present invention stores thereon a computer program that, when executed by the processing, implements the steps of the communication method of the wireless local area network corresponding to the sixth embodiment described above.

Further, in some embodiments described above, any process or method descriptions in flowcharts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes additional implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable storage medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.

It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.

The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.

The technical scheme of the present invention is described in detail with reference to the drawings, and by performing the RTS/CTS negotiation under a single frequency band without performing negotiation in multiple frequency bands, the frequency spectrum utilization rate can be effectively improved, thereby improving the communication efficiency and being beneficial to power saving of the device.

In the description of the present specification, the terms "first" and "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and specific meanings of the above terms in the disclosed embodiments may be understood according to specific situations by those of ordinary skill in the art.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A communication method of a wireless local area network, for a sender device, the communication method of the wireless local area network comprising:

generating a negotiation signaling, wherein the negotiation signaling is used for performing RTS/CTS mechanism negotiation between the sender equipment and receiver equipment and comprises frequency band information of a plurality of target frequency bands required to be used for communication between the sender equipment and the receiver equipment;

sending the negotiation signaling to the receiving party equipment under any one of the target frequency bands;

after RTS/CTS mechanism negotiation is completed according to the negotiation signaling, RTS frames are configured to be sent to the receiving side equipment simultaneously under the multiple target frequency bands respectively;

receiving a CTS frame which is simultaneously sent by the receiving device under the plurality of target frequency bands and responds to the RTS frame;

after receiving the CTS frame, further comprising:

respectively and simultaneously sending a protocol data unit (PPDU) to the receiving side equipment under the plurality of target frequency bands; and

the negotiation signaling also comprises first time length information which is used for simultaneously sending the PPDU under the plurality of target frequency bands, the first time length information is used for other receiving party devices except the receiving party device which receives the RTS frame to set the time length of the network allocation vector,

wherein the other receiver devices may communicate with the sender device in the multiple target frequency bands.

2. The communication method of the wireless local area network according to claim 1, further comprising:

and receiving a feedback message frame aiming at the PPDU sent by the receiving party equipment under any target frequency band for sending the negotiation signaling.

3. The communication method of the wireless local area network according to claim 1, further comprising:

detecting whether the time length occupied when the protocol data unit PPDU is simultaneously transmitted under the plurality of target frequency bands is the same or not;

if the two PPDUs are different, determining the appointed frequency band with the longest occupied time when the protocol data unit PPDU is sent;

and receiving a feedback message frame aiming at the PPDU sent by the receiving side equipment under the appointed frequency band.

4. The communication method of the wireless local area network according to claim 2 or 3,

the negotiation signaling also comprises second time length information of the feedback message frame, the second time length information is used for setting network allocation vector time length by other sender devices except the sender device receiving the feedback message frame,

wherein the other sender devices may communicate with the receiver device in the plurality of target frequency bands.

5. The communication method of the wireless local area network according to any one of claims 1 to 3, further comprising, before the generating the negotiation signaling:

broadcasting a generated first management frame, wherein the first management frame comprises first frequency band information of a plurality of frequency bands supported by the sender equipment;

receiving a second management frame broadcasted by the receiving party equipment, wherein the second management frame comprises second frequency band information of a plurality of frequency bands supported by the receiving party equipment;

and determining the plurality of target frequency bands according to the first frequency band information and the second frequency band information.

6. A sender device, comprising:

a processor;

memory for storing executable instructions of the processor, wherein the processor is adapted to implement the steps of the method according to any of claims 1 to 5 when executing the executable instructions stored in the memory.

7. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 5.

8. A communication method of a wireless local area network, configured to be used by a receiving device, the communication method of the wireless local area network comprising:

receiving a negotiation signaling sent by a sending party device under any frequency band, wherein the negotiation signaling is used for the receiving party device and the sending party device to carry out RTS/CTS mechanism negotiation;

analyzing the negotiation signaling to acquire frequency band information of a plurality of target frequency bands which are required to be used by the receiving party equipment and the sending party equipment for communication, wherein the frequency band information comprises any frequency band;

after RTS/CTS mechanism negotiation is completed according to the negotiation signaling, RTS frames which are respectively and simultaneously sent by the sender equipment under the multiple target frequency bands are received;

transmitting CTS frames responding to the RTS frames to the sender equipment respectively and simultaneously under the plurality of target frequency bands;

after sending the CTS frame, further comprising:

analyzing the negotiation signaling to obtain first time length information of a protocol data unit (PPDU), wherein the first time length information is used for other receiver devices except the receiver device receiving the RTS frame to set network allocation vector duration; and

receiving the protocol data unit PPDU which is simultaneously sent by the sender equipment under the plurality of target frequency bands respectively according to the first time length information;

wherein the other receiver devices may communicate with the sender device in the plurality of target frequency bands.

9. The communication method of the wireless local area network according to claim 8, further comprising:

analyzing the negotiation signaling to obtain second duration information of a feedback message frame aiming at a protocol data unit (PPDU), wherein the second duration information is used for setting network allocation vector duration for other sender devices except the sender device receiving the feedback message frame,

10. The communication method of the wireless local area network according to claim 9, further comprising:

and sending the feedback message frame to the sender equipment according to the second duration information under any frequency band for receiving the negotiation signaling.

11. The communication method of the wireless local area network according to claim 9, further comprising:

and sending the feedback message frame to the sender equipment according to the second duration information under the specified frequency band.

12. The communication method of the wireless local area network according to any one of claims 8 to 11, wherein before the receiving the negotiation signaling sent by the sender device in any frequency band, the method further comprises:

broadcasting a generated first management frame, wherein the first management frame comprises first frequency band information of a plurality of frequency bands supported by the receiving party equipment;

receiving a second management frame broadcasted by the sender device, wherein the second management frame comprises second frequency band information of a plurality of frequency bands supported by the sender device;

13. A receiver device, comprising:

a processor;

memory for storing executable instructions of the processor, wherein the processor is adapted to carry out the steps of the method according to any one of claims 8 to 12 when executing the executable instructions stored in the memory.

14. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 8 to 12.