CN105828452A - Communication method and communication device of wireless local area network, access point and site - Google Patents
Communication method and communication device of wireless local area network, access point and site Download PDFInfo
- Publication number
- CN105828452A CN105828452A CN201610308987.2A CN201610308987A CN105828452A CN 105828452 A CN105828452 A CN 105828452A CN 201610308987 A CN201610308987 A CN 201610308987A CN 105828452 A CN105828452 A CN 105828452A
- Authority
- CN
- China
- Prior art keywords
- message frame
- ofdma
- cycle
- resource distribution
- communication resource
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/005—Transmission of information for alerting of incoming communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/12—Inter-network notification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
- H04W74/0841—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure with collision treatment
- H04W74/085—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure with collision treatment collision avoidance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
The invention provides a communication method and a communication device of a wireless local area network, an access point and a site. The communication method of the wireless local area network comprises the steps of generating a notice message frame which comprises first information used for indicating a transmission period of a communication resource distribution message frame, wherein the first information can instruct a site supporting an OFDMA function to periodically contend for an access channel in an OFDMA random access contention period; and sending the notice message frame. According to the method, the access point can inform the site of the transmission period of the communication resource distribution message frame, and then the site can define the transmitting time of the communication resource distribution message frame, and meanwhile the site can adopt an OFDMA withdrawing mechanism before transmitting UL OFDMA data, thus the sites are reduced in mutual conflicts when transmitting uplink data, and the use factor of the frequency spectrum is indirectly improved.
Description
Technical field
The present invention relates to communication technical field, in particular to communication means, the communicator of a kind of WLAN, a kind of access point and a kind of website of a kind of WLAN.
Background technology
In May, 2013,802.11 have set up Wi-Fi (WirelessFidelity of future generation, Wireless Fidelity) the seminar HEW (HighefficiencyWLAN of technology, efficiently WLAN), i.e. 802.11ax, main research point is to improve the handling capacity of existing Wi-Fi technology, effective utilization ratio of raising frequency spectrum, raising Consumer's Experience and service quality Q oE (QualityofExperience), and realizes adapting to the communication environment of more crypto set than existing Wi-Fi technology.
In order to make frequency spectrum resource obtain significantly more efficient utilization, 802.11ax standard will use OFDMA (OrthogonalFrequencyDivisionMultipleAccess, OFDM) technology；And during standard formulation, so that resource can preferably be distributed, define a kind of new resource allocation message frame, referred to as trigger frame.STA (Station, work station, referred to as website) transmission that carries out uplink data frames is based on receiving AP (AccessPoint, access point) the descending trigger frame that sent, wherein, the effect of descending trigger frame is contemplated to STAs distribution frequency spectrum resource to carry out the transmission of upstream data
Additionally, during the standard formulation of 802.11ax, it is stipulated that station transmission ascending resource needs to use OFDMABack-off (keeping out of the way) mechanism.Also define OFDMA competition window (ContentionWindow), it is stipulated that if STAs uses UL (UpLink, up) OFDMA technology simultaneously, OFDMA avoidance mechanism will be used.
But, when trigger frame is sent and when ULOFDMA data is transmitted, 802.11ax does not make clear stipulaties.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, propose the communication plan of a kind of new WLAN, make the access point can be to the transmission cycle of website notification triggers frame, and then website can specify the transmission opportunity of trigger frame, website can use OFDMA avoidance mechanism before sending ULOFDMA data simultaneously, decrease website to collide with each other when transmitting upstream data, indirectly improve the utilization rate of frequency spectrum.
In view of this, according to the first aspect of the invention, propose the communication means of a kind of WLAN, including: generate notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；Send described notification message frame.
In this technical scheme, access point is by generating notification message frame, and notification message frame comprises the first information sending the cycle for indicating communication resource distribution message frame (the most above-mentioned trigger frame), make to support the transmission cycle that the website of OFDMA function can determine communication resource distribution message frame according to the first information, and then communication resource distribution message frame can be received according to this transmission cycle, to send ULOFDMA data according to transfer resource indicated in communication resource distribution message frame.Simultaneously, owing to the first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle of support OFDMA function, therefore explanation website is after receiving communication resource distribution message frame and getting transfer resource, and needed to use OFDMA avoidance mechanism before sending ULOFDMA data, and then website colliding with each other when transmitting upstream data can be reduced, indirectly improve the effective rate of utilization of frequency spectrum.Wherein, described OFDMA Stochastic accessing competing cycle refers to a part of duration in the competing cycle defined in existing 802.11 standards, or refers to one section of duration in the non-competing phase defined in existing 802.11 standards.
In addition, owing to notification message frame is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not constantly be in wake-up states, i.e. website and may be at resting state, and it again is at wake-up states when needs receive communication resource distribution message frame, effectively reduce the power consumption of website.
Wherein, OFDMA avoidance mechanism mainly access point increases a parameter in the trigger frame be sent to website, the random access procedure initiated after website receives this trigger frame, during particularly as follows: website has data to need to send, if channel busy being detected, then select a random number N from 0 to OFDMA competition window, and continue to detect channel, if channel busy again being detected, then N is constant, if detecting, channel is not busy, then N-1, as N=0, if again detecting, channel is not busy, then send data, if channel busy again being detected, then reselect a random number, and again perform said process.
In technique scheme, it is preferable that the transmission cycle of the described communication resource distribution message frame of described first information instruction is the integral multiple sending the cycle of described notification message frame.Specifically, if the transmission cycle of notification message frame is T, then the transmission cycle of communication resource distribution message frame is n × T, and wherein, n is the integer more than or equal to 1.
In any of the above-described technical scheme, preferably, also comprising the second information for indicating OFDMA Stochastic accessing competing cycle parameter in described notification message frame, described OFDMA Stochastic accessing competing cycle parameter includes time started and the duration of described OFDMA Stochastic accessing competing cycle.
In this technical scheme, by by the second information instruction OFDMA Stochastic accessing competing cycle parameter, make website can compete RACH (i.e. within the time of Stochastic accessing competing cycle parameter instruction) within the corresponding time, with when detecting that channel can take, send ULOFDMA data.
In technique scheme, it is preferable that the time started of the described OFDMA Stochastic accessing competing cycle of described second information instruction includes time when described communication resource distribution message frame is sent completely.
In this technical scheme, for website, the time started of OFDMA Stochastic accessing competing cycle is time when communication resource distribution message frame finishes receiving.
In any of the above-described technical scheme, it is preferable that described notification message frame includes beacon frame.
According to the second aspect of the invention, also proposed the communication means of a kind of WLAN, including: receive notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；According to the transmission cycle of the described communication resource distribution message frame that the described first information indicates, receive the communication resource distribution message frame that access point sends；Based on the transfer resource of instruction in described communication resource distribution message frame, transmit upstream data.
In this technical scheme, website is by receiving notification message frame, and notification message frame comprises the first information sending the cycle for indicating communication resource distribution message frame (the most above-mentioned trigger frame), make to support the transmission cycle that the website of OFDMA function can determine communication resource distribution message frame according to the first information, and then communication resource distribution message frame can be received according to this transmission cycle, to send ULOFDMA data according to transfer resource indicated in communication resource distribution message frame.
Simultaneously, owing to the first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle of support OFDMA function, the most above-mentioned based on the transfer resource of instruction in communication resource distribution message frame, the step of transmission upstream data specifically may is that website is according to receiving after communication resource distribution message frame gets transfer resource, OFDMA avoidance mechanism is used to carry out contention access channel, after successful contention to access channel, busy channel sends ULOFDMA data, and then website colliding with each other at transmission upstream data can be reduced, indirectly improve the effective rate of utilization of frequency spectrum.Wherein, OFDMA Stochastic accessing competing cycle refers to a part of duration in the competing cycle defined in existing 802.11 standards, or refers to one section of duration in the non-competing phase defined in existing 802.11 standards.
In addition, owing to notification message frame is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not constantly be in wake-up states, i.e. website and may be at resting state, and it again is at wake-up states when needs receive communication resource distribution message frame, effectively reduce the power consumption of website.
Wherein, OFDMA avoidance mechanism mainly access point increases a parameter in the trigger frame be sent to website, the random access procedure initiated after website receives this trigger frame, during particularly as follows: website has data to need to send, if channel busy being detected, then select a random number N from 0 to OFDMA competition window, and continue to detect channel, if channel busy again being detected, then N is constant, if detecting, channel is not busy, then N-1, as N=0, if again detecting, channel is not busy, then send data, if channel busy again being detected, then reselect a random number, and again perform said process.
In technique scheme, it is preferable that also include: the cycle waken up up from resting state is set to corresponding with the transmission cycle of described communication resource distribution message frame.
In this technical scheme, corresponding with the transmission cycle of communication resource distribution message frame by the cycle waken up up from resting state is set to so that website need not be in wake-up states constantly, advantageously reduces the power consumption of website.
According to the third aspect of the invention we, also proposed the communicator of a kind of WLAN, including: signal generating unit, for generating notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；Transmitting element, is used for sending described notification message frame.
In this technical scheme, access point is by generating notification message frame, and notification message frame comprises the first information sending the cycle for indicating communication resource distribution message frame (the most above-mentioned trigger frame), make to support the transmission cycle that the website of OFDMA function can determine communication resource distribution message frame according to the first information, and then communication resource distribution message frame can be received according to this transmission cycle, to send ULOFDMA data according to transfer resource indicated in communication resource distribution message frame.Simultaneously, owing to the first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle of support OFDMA function, therefore explanation website is after receiving communication resource distribution message frame and getting transfer resource, and needed to use OFDMA avoidance mechanism before sending ULOFDMA data, and then website colliding with each other at transmission upstream data can be reduced, indirectly improve the effective rate of utilization of frequency spectrum.Wherein, OFDMA Stochastic accessing competing cycle refers to a part of duration in the competing cycle defined in existing 802.11 standards, or refers to one section of duration in the non-competing phase defined in existing 802.11 standards.
In addition, owing to notification message frame is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not constantly be in wake-up states, i.e. website and may be at resting state, and it again is at wake-up states when needs receive communication resource distribution message frame, effectively reduce the power consumption of website.
Wherein, OFDMA avoidance mechanism mainly access point increases a parameter in the trigger frame be sent to website, the random access procedure initiated after website receives this trigger frame, during particularly as follows: website has data to need to send, if channel busy being detected, then select a random number N from 0 to OFDMA competition window, and continue to detect channel, if channel busy again being detected, then N is constant, if detecting, channel is not busy, then N-1, as N=0, if again detecting, channel is not busy, then send data, if channel busy again being detected, then reselect a random number, and again perform said process.
In technique scheme, it is preferable that the transmission cycle of the described communication resource distribution message frame of described first information instruction is the integral multiple sending the cycle of described notification message frame.Specifically, if the transmission cycle of notification message frame is T, then the transmission cycle of communication resource distribution message frame is n × T, and wherein, n is the integer more than or equal to 1.
In any of the above-described technical scheme, preferably, also comprising the second information for indicating OFDMA Stochastic accessing competing cycle parameter in described notification message frame, described OFDMA Stochastic accessing competing cycle parameter includes time started and the duration of described OFDMA Stochastic accessing competing cycle.
In this technical scheme, by by the second information instruction OFDMA Stochastic accessing competing cycle parameter, make website can compete RACH (i.e. within the time of Stochastic accessing competing cycle parameter instruction) within the corresponding time, with when detecting that channel can take, send ULOFDMA data.
In technique scheme, it is preferable that the time started of the described OFDMA Stochastic accessing competing cycle of described second information instruction includes time when described communication resource distribution message frame is sent completely.
In this technical scheme, for website, the time started of OFDMA Stochastic accessing competing cycle is time when communication resource distribution message frame finishes receiving.
According to one embodiment of present invention, described notification message frame includes beacon frame.
According to the fourth aspect of the invention, also proposed the communicator of a kind of WLAN, including: first receives unit, for receiving notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；Second receives unit, in the transmission cycle of the described communication resource distribution message frame for indicating according to the described first information, receives the communication resource distribution message frame that access point sends；Data transmission unit, for based on the transfer resource of instruction in described communication resource distribution message frame, transmitting upstream data.
In this technical scheme, website is by receiving notification message frame, and notification message frame comprises the first information sending the cycle for indicating communication resource distribution message frame (the most above-mentioned trigger frame), make to support the transmission cycle that the website of OFDMA function can determine communication resource distribution message frame according to the first information, and then communication resource distribution message frame can be received according to this transmission cycle, to send ULOFDMA data according to transfer resource indicated in communication resource distribution message frame.
Simultaneously, owing to the first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle of support OFDMA function, the most above-mentioned based on the transfer resource of instruction in communication resource distribution message frame, the step of transmission upstream data specifically may is that website is according to receiving after communication resource distribution message frame gets transfer resource, OFDMA avoidance mechanism is used to carry out contention access channel, after successful contention to access channel, busy channel sends ULOFDMA data, and then website colliding with each other at transmission upstream data can be reduced, indirectly improve the effective rate of utilization of frequency spectrum.Wherein, OFDMA Stochastic accessing competing cycle refers to a part of duration in the competing cycle defined in existing 802.11 standards, or refers to one section of duration in the non-competing phase defined in existing 802.11 standards.
In addition, owing to notification message frame is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not constantly be in wake-up states, i.e. website and may be at resting state, and it again is at wake-up states when needs receive communication resource distribution message frame, effectively reduce the power consumption of website.
Wherein, OFDMA avoidance mechanism mainly access point increases a parameter in the trigger frame be sent to website, the random access procedure initiated after website receives this trigger frame, during particularly as follows: website has data to need to send, if channel busy being detected, then select a random number N from 0 to OFDMA competition window, and continue to detect channel, if channel busy again being detected, then N is constant, if detecting, channel is not busy, then N-1, as N=0, if again detecting, channel is not busy, then send data, if channel busy again being detected, then reselect a random number, and again perform said process.
In technique scheme, it is preferable that also include: unit is set, corresponding with the transmission cycle of described communication resource distribution message frame for the cycle waken up up from resting state is set to.
In this technical scheme, corresponding with the transmission cycle of communication resource distribution message frame by the cycle waken up up from resting state is set to so that website need not be in wake-up states constantly, advantageously reduces the power consumption of website.
According to the fifth aspect of the invention, it is also proposed that a kind of access point, including the communicator of the WLAN as described in the above-mentioned third aspect.
According to the sixth aspect of the invention, it is also proposed that a kind of website, including the communicator of the WLAN as described in above-mentioned fourth aspect.
By above technical scheme, make access point can notify the transmission cycle of communication resource distribution message frame to website, and then website can specify the transmission opportunity of communication resource distribution message frame, website can use OFDMA avoidance mechanism before sending ULOFDMA data simultaneously, decrease website to collide with each other when transmitting upstream data, indirectly improve the utilization rate of frequency spectrum；Additionally, due to access point is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not be in wake-up states constantly, advantageously reduces the power consumption of website.
Accompanying drawing explanation
Fig. 1 shows the schematic flow diagram of the communication means of WLAN according to first embodiment of the invention；
Fig. 2 shows the schematic block diagram of the communicator of WLAN according to first embodiment of the invention；
Fig. 3 shows the schematic block diagram of access point according to an embodiment of the invention；
Fig. 4 shows the schematic flow diagram of the communication means of the WLAN of second embodiment according to the present invention；
Fig. 5 shows the schematic block diagram of the communicator of the WLAN of second embodiment according to the present invention；
Fig. 6 shows the schematic block diagram of website according to an embodiment of the invention；
Fig. 7 shows the schematic flow diagram of the communication means of the WLAN of the 3rd embodiment according to the present invention.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, with detailed description of the invention, the present invention is further described in detail below in conjunction with the accompanying drawings.It should be noted that in the case of not conflicting, the feature in embodiments herein and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention; but; the present invention can implement to use other to be different from other modes described here, and therefore, protection scope of the present invention is not limited by following public specific embodiment.
Fig. 1 shows the schematic flow diagram of the communication means of WLAN according to first embodiment of the invention.
As it is shown in figure 1, the communication means of WLAN according to first embodiment of the invention, including:
Step 102, generate notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function.
Specifically, access point is by generating notification message frame, and notification message frame comprises the first information sending the cycle for indicating communication resource distribution message frame (the most above-mentioned trigger frame), make to support the transmission cycle that the website of OFDMA function can determine communication resource distribution message frame according to the first information, and then communication resource distribution message frame can be received according to this transmission cycle, to send ULOFDMA data according to transfer resource indicated in communication resource distribution message frame.Simultaneously, owing to the first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle of support OFDMA function, therefore explanation website is after receiving communication resource distribution message frame and getting transfer resource, and needed to use OFDMA avoidance mechanism before sending ULOFDMA data, and then website colliding with each other when transmitting upstream data can be reduced, indirectly improve the effective rate of utilization of frequency spectrum.Wherein, OFDMA Stochastic accessing competing cycle refers to a part of duration in the competing cycle defined in existing 802.11 standards, or refers to one section of duration in the non-competing phase defined in existing 802.11 standards.
In addition, owing to notification message frame is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not constantly be in wake-up states, i.e. website and may be at resting state, and it again is at wake-up states when needs receive communication resource distribution message frame, effectively reduce the power consumption of website.
Wherein, OFDMA avoidance mechanism mainly access point increases a parameter in the trigger frame be sent to website, the random access procedure initiated after website receives this trigger frame, during particularly as follows: website has data to need to send, if channel busy being detected, then select a random number N from 0 to OFDMA competition window, and continue to detect channel, if channel busy again being detected, then N is constant, if detecting, channel is not busy, then N-1, as N=0, if again detecting, channel is not busy, then send data, if channel busy again being detected, then reselect a random number, and again perform said process.
As a preferred embodiment of the present invention, the transmission cycle of the described communication resource distribution message frame of described first information instruction is the integral multiple sending the cycle of described notification message frame.Specifically, if the transmission cycle of notification message frame is T, then the transmission cycle of communication resource distribution message frame is n × T, wherein, n is the integer more than or equal to 1, such as the transmission cycle of notification message frame is 100 milliseconds, then the transmission cycle of resource allocation message frame can be 100 milliseconds, it is also possible to be 200 milliseconds etc..
In one embodiment of the invention, also comprising the second information for indicating OFDMA Stochastic accessing competing cycle parameter in described notification message frame, described OFDMA Stochastic accessing competing cycle parameter includes time started and the duration of described OFDMA Stochastic accessing competing cycle.
In this technical scheme, by by the second information instruction OFDMA Stochastic accessing competing cycle parameter, make website can compete RACH (i.e. within the time of Stochastic accessing competing cycle parameter instruction) within the corresponding time, with when detecting that channel can take, send ULOFDMA data.
In technique scheme, it is preferable that the time started of the described OFDMA Stochastic accessing competing cycle of described second information instruction includes time when described communication resource distribution message frame is sent completely.In this technical scheme, for website, the time started of OFDMA Stochastic accessing competing cycle is time when communication resource distribution message frame finishes receiving.
As a preferred embodiment of the present invention, described notification message frame includes beacon frame.
Step 104, sends described notification message frame.
Wherein, the executive agent of the communication means shown in Fig. 1 can be router etc..
Fig. 2 shows the schematic block diagram of the communicator of WLAN according to first embodiment of the invention.
As in figure 2 it is shown, the communicator 200 of WLAN according to first embodiment of the invention, including: signal generating unit 202 and transmitting element 204.
Wherein, signal generating unit 202 is used for generating notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；Transmitting element 204 is used for sending described notification message frame.
When implementing, signal generating unit 202 can be signal processor, central processing unit or baseband processor；Transmitting element 204 can be transmitter (Transmitter) or antenna.
In this technical scheme, access point is by generating notification message frame, and notification message frame comprises the first information sending the cycle for indicating communication resource distribution message frame (the most above-mentioned trigger frame), make to support the transmission cycle that the website of OFDMA function can determine communication resource distribution message frame according to the first information, and then communication resource distribution message frame can be received according to this transmission cycle, to send ULOFDMA data according to transfer resource indicated in communication resource distribution message frame.Simultaneously, owing to the first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle of support OFDMA function, therefore explanation website is after receiving communication resource distribution message frame and getting transfer resource, and needed to use OFDMA avoidance mechanism before sending ULOFDMA data, and then website colliding with each other at transmission upstream data can be reduced, indirectly improve the effective rate of utilization of frequency spectrum.Wherein, OFDMA Stochastic accessing competing cycle refers to a part of duration in the competing cycle defined in existing 802.11 standards, or refers to one section of duration in the non-competing phase defined in existing 802.11 standards.
In addition, owing to notification message frame is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not constantly be in wake-up states, i.e. website and may be at resting state, and it again is at wake-up states when needs receive communication resource distribution message frame, effectively reduce the power consumption of website.
Wherein, OFDMA avoidance mechanism mainly access point increases a parameter in the trigger frame be sent to website, the random access procedure initiated after website receives this trigger frame, during particularly as follows: website has data to need to send, if channel busy being detected, then select a random number N from 0 to OFDMA competition window, and continue to detect channel, if channel busy again being detected, then N is constant, if detecting, channel is not busy, then N-1, as N=0, if again detecting, channel is not busy, then send data, if channel busy again being detected, then reselect a random number, and again perform said process.
In technique scheme, it is preferable that the transmission cycle of the described communication resource distribution message frame of described first information instruction is the integral multiple sending the cycle of described notification message frame.Specifically, if the transmission cycle of notification message frame is T, then the transmission cycle of communication resource distribution message frame is n × T, wherein, n is the integer more than or equal to 1, such as the transmission cycle of notification message frame is 100 milliseconds, then the transmission cycle of resource allocation message frame can be 100 milliseconds, it is also possible to be 200 milliseconds etc..
In any of the above-described technical scheme, preferably, also comprising the second information for indicating OFDMA Stochastic accessing competing cycle parameter in described notification message frame, described OFDMA Stochastic accessing competing cycle parameter includes time started and the duration of described OFDMA Stochastic accessing competing cycle.
In this technical scheme, by by the second information instruction OFDMA Stochastic accessing competing cycle parameter, make website can compete RACH (i.e. within the time of Stochastic accessing competing cycle parameter instruction) within the corresponding time, with when detecting that channel can take, send ULOFDMA data.
In technique scheme, it is preferable that the time started of the described OFDMA Stochastic accessing competing cycle of described second information instruction includes time when described communication resource distribution message frame is sent completely.
In this technical scheme, for website, the time started of OFDMA Stochastic accessing competing cycle is time when communication resource distribution message frame finishes receiving.
According to one embodiment of present invention, described notification message frame includes beacon frame.
Fig. 3 shows the schematic block diagram of access point according to an embodiment of the invention.
As it is shown on figure 3, access point 300 according to an embodiment of the invention, including: the communicator 200 of WLAN as shown in Figure 2.
Fig. 4 shows the schematic flow diagram of the communication means of the WLAN of second embodiment according to the present invention.
As shown in Figure 4, according to the communication means of the WLAN of second embodiment of the present invention, including:
Step 402, receive notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；
Step 404, according to the transmission cycle of the described communication resource distribution message frame that the described first information indicates, receives the communication resource distribution message frame that access point sends；
Step 406, based on the transfer resource of instruction in described communication resource distribution message frame, transmits upstream data.
In this technical scheme, website is by receiving notification message frame, and notification message frame comprises the first information sending the cycle for indicating communication resource distribution message frame (the most above-mentioned trigger frame), make to support the transmission cycle that the website of OFDMA function can determine communication resource distribution message frame according to the first information, and then communication resource distribution message frame can be received according to this transmission cycle, to send ULOFDMA data according to transfer resource indicated in communication resource distribution message frame.
Simultaneously, owing to the first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle of support OFDMA function, the most above-mentioned based on the transfer resource of instruction in communication resource distribution message frame, the step of transmission upstream data specifically may is that website is according to receiving after communication resource distribution message frame gets transfer resource, OFDMA avoidance mechanism is used to carry out contention access channel, after successful contention to access channel, busy channel sends ULOFDMA data, and then website colliding with each other at transmission upstream data can be reduced, indirectly improve the effective rate of utilization of frequency spectrum.Wherein, OFDMA Stochastic accessing competing cycle refers to a part of duration in the competing cycle defined in existing 802.11 standards, or refers to one section of duration in the non-competing phase defined in existing 802.11 standards.
In addition, owing to notification message frame is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not constantly be in wake-up states, i.e. website and may be at resting state, and it again is at wake-up states when needs receive communication resource distribution message frame, effectively reduce the power consumption of website.
Wherein, OFDMA avoidance mechanism mainly access point increases a parameter in the trigger frame be sent to website, the random access procedure initiated after website receives this trigger frame, during particularly as follows: website has data to need to send, if channel busy being detected, then select a random number N from 0 to OFDMA competition window, and continue to detect channel, if channel busy again being detected, then N is constant, if detecting, channel is not busy, then N-1, as N=0, if again detecting, channel is not busy, then send data, if channel busy again being detected, then reselect a random number, and again perform said process.
In technique scheme, it is preferable that the communication means of described WLAN, also include: the cycle waken up up from resting state is set to corresponding with the transmission cycle of described communication resource distribution message frame.Specifically, corresponding with the transmission cycle of communication resource distribution message frame by the cycle waken up up from resting state is set to so that website need not be in wake-up states constantly, advantageously reduces the power consumption of website.
Wherein, the executive agent of the communication means shown in Fig. 4 can be mobile phone or PDA (PersonalDigitalAssistant, palm PC) etc..
Fig. 5 shows the schematic block diagram of the communicator of the WLAN of second embodiment according to the present invention.
As it is shown in figure 5, the communicator 500 of the WLAN according to second embodiment of the present invention, including: first receives unit 502, second receives unit 504 and data transmission unit 506.
Wherein, first receives unit 502 is used for receiving notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；In the second transmission cycle receiving the unit 504 described communication resource distribution message frame for indicating according to the described first information, receive the communication resource distribution message frame that access point sends；Data transmission unit 506 is for based on the transfer resource of instruction in described communication resource distribution message frame, transmitting upstream data.
When implementing, the first reception unit 502 and the second reception unit 504 can be receptor or antenna；Data transmission unit 506 can be transmitter or antenna.
In this technical scheme, website is by receiving notification message frame, and notification message frame comprises the first information sending the cycle for indicating communication resource distribution message frame (the most above-mentioned trigger frame), make to support the transmission cycle that the website of OFDMA function can determine communication resource distribution message frame according to the first information, and then communication resource distribution message frame can be received according to this transmission cycle, to send ULOFDMA data according to transfer resource indicated in communication resource distribution message frame.
Simultaneously, owing to the first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle of support OFDMA function, the most above-mentioned based on the transfer resource of instruction in communication resource distribution message frame, the step of transmission upstream data specifically may is that website is according to receiving after communication resource distribution message frame gets transfer resource, OFDMA avoidance mechanism is used to carry out contention access channel, after successful contention to access channel, busy channel sends ULOFDMA data, and then website colliding with each other at transmission upstream data can be reduced, indirectly improve the effective rate of utilization of frequency spectrum.Wherein, OFDMA Stochastic accessing competing cycle refers to a part of duration in the competing cycle defined in existing 802.11 standards, or refers to one section of duration in the non-competing phase defined in existing 802.11 standards.
In addition, owing to notification message frame is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not constantly be in wake-up states, i.e. website and may be at resting state, and it again is at wake-up states when needs receive communication resource distribution message frame, effectively reduce the power consumption of website.
Wherein, OFDMA avoidance mechanism mainly access point increases a parameter in the trigger frame be sent to website, the random access procedure initiated after website receives this trigger frame, during particularly as follows: website has data to need to send, if channel busy being detected, then select a random number N from 0 to OFDMA competition window, and continue to detect channel, if channel busy again being detected, then N is constant, if detecting, channel is not busy, then N-1, as N=0, if again detecting, channel is not busy, then send data, if channel busy again being detected, then reselect a random number, and again perform said process.
In technique scheme, it is preferable that the communicator 500 of described WLAN, also include: unit 508 is set, corresponding with the transmission cycle of described communication resource distribution message frame for the cycle waken up up from resting state is set to.When implementing, processing unit 508 can be central processing unit or baseband processor when realizing.
In this technical scheme, corresponding with the transmission cycle of communication resource distribution message frame by the cycle waken up up from resting state is set to so that website need not be in wake-up states constantly, advantageously reduces the power consumption of website.
Fig. 6 shows the schematic block diagram of website according to an embodiment of the invention.
As shown in Figure 6, website 600 according to an embodiment of the invention, including: the communicator 500 of WLAN as shown in Figure 5.
In sum, technical scheme is mainly access point can be to the transmission cycle of website notice communication resource distribution message frame (i.e. trigger frame) and OFDMA Stochastic accessing competing cycle parameter, and then website can receive trigger frame based on the notification message that access point sends, and contention access channel sends upstream data in OFDMA Stochastic accessing competing cycle.
Specifically, access point can carry the transmission cycle of communication resource distribution message frame in Beacon (beacon) frame.Wherein, the transmission cycle of communication resource distribution message frame can be consistent with the transmission cycle of beacon frame, or the integral multiple sending the cycle of beacon frame, such as the transmission cycle of beacon frame is 100 milliseconds, so transmission cycle of communication resource distribution message frame can be 100 milliseconds, it is also possible to is 200 milliseconds etc..
Meanwhile, can also bring the parameter of OFDMA Stochastic accessing competing cycle within a beacon frame, its parameter can be time started and the duration of OFDMA Stochastic accessing competing cycle.Non-limiting as a preferred embodiment, access point can indicate website within a beacon frame after communication resource distribution message frame sends, it is simply that the time started of OFDMA Stochastic accessing competing cycle.
After website receives the communication resource distribution message frame that access point sends, website can be according to the transmission resources for transmitting upstream data distributed in trigger frame.Wherein, website, before transmission upstream data, needs contention access channel in OFDMA Stochastic accessing competing cycle, when successful contention to channel, just can carry out the transmission of upstream data.For being in the website under PS (PowerSaving power saving) state or resting state, its cycle receiving communications resources assignment messages frame should be consistent with the cycle of its dormancy awakening, to ensure that website can be periodically received communication resource distribution message frame.
Said process concrete as it is shown in fig. 7, comprises:
Step 701, access point 1 generates notification message frame.Wherein, comprising the first information and the second information in notification message frame, the first information is for indicating the transmission cycle of communication resource distribution message frame；Second information is used for indicating OFDMA Stochastic accessing competing cycle parameter, described OFDMA Stochastic accessing competing cycle parameter to include time started and the duration of OFDMA Stochastic accessing competing cycle.Wherein, OFDMA Stochastic accessing competing cycle refers to a part of duration in the competing cycle defined in existing 802.11 standards, or refers to one section of duration in the non-competing phase defined in existing 802.11 standards.
Step 702, access point 1 sends a notification message frame.
Step 703, website 2 receives notification message frame.
Step 704, website 2, according to the transmission cycle of the communication resource distribution message frame of the first information instruction comprised in notification message frame, receives the communication resource distribution message frame that access point 1 sends.
Step 705, website 2 obtains the transfer resource of communication resource distribution message frame instruction, and contention access channel in OFDMA Stochastic accessing competing cycle.
Step 706, website 2 is when being determined to busy channel, i.e. when website 2 successful contention is to channel, by the transmission resources for transmitting upstream data of distribution.
Technical scheme is described in detail above in association with accompanying drawing, the present invention proposes the communication plan of a kind of new WLAN, make access point can notify the transmission cycle of communication resource distribution message frame to website, and then website can specify the transmission opportunity of communication resource distribution message frame, website can use OFDMA avoidance mechanism before sending ULOFDMA data simultaneously, decrease website to collide with each other when transmitting upstream data, indirectly improve the utilization rate of frequency spectrum；Additionally, due to access point is notified of the transmission cycle of communication resource distribution message frame to website, therefore website need not be in wake-up states constantly, advantageously reduces the power consumption of website.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (16)
1. the communication means of a WLAN, it is characterised in that including:
Generate notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；
Send described notification message frame.
The communication means of WLAN the most according to claim 1, it is characterised in that the transmission cycle of the described communication resource distribution message frame of described first information instruction is the integral multiple sending the cycle of described notification message frame.
The communication means of WLAN the most according to claim 1, it is characterized in that, also comprising the second information for indicating OFDMA Stochastic accessing competing cycle parameter in described notification message frame, described OFDMA Stochastic accessing competing cycle parameter includes time started and the duration of described OFDMA Stochastic accessing competing cycle.
The communication means of WLAN the most according to claim 3, it is characterised in that the time started of the described OFDMA Stochastic accessing competing cycle of described second information instruction includes time when described communication resource distribution message frame is sent completely.
The communication means of WLAN the most according to any one of claim 1 to 4, it is characterised in that described notification message frame includes beacon frame.
6. the communication means of a WLAN, it is characterised in that including:
Receive notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；
According to the transmission cycle of the described communication resource distribution message frame that the described first information indicates, receive the communication resource distribution message frame that access point sends；
Based on the transfer resource of instruction in described communication resource distribution message frame, transmit upstream data.
The communication means of WLAN the most according to claim 6, it is characterised in that also include: the cycle waken up up from resting state is set to corresponding with the transmission cycle of described communication resource distribution message frame.
8. the communicator of a WLAN, it is characterised in that including:
Signal generating unit, for generating notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；
Transmitting element, is used for sending described notification message frame.
The communicator of WLAN the most according to claim 8, it is characterised in that the transmission cycle of the described communication resource distribution message frame of described first information instruction is the integral multiple sending the cycle of described notification message frame.
The communicator of WLAN the most according to claim 8, it is characterized in that, also comprising the second information for indicating OFDMA Stochastic accessing competing cycle parameter in described notification message frame, described OFDMA Stochastic accessing competing cycle parameter includes time started and the duration of described OFDMA Stochastic accessing competing cycle.
The communicator of 11. WLANs according to claim 10, it is characterised in that the time started of the described OFDMA Stochastic accessing competing cycle of described second information instruction includes time when described communication resource distribution message frame is sent completely.
12. according to Claim 8 to the communicator of the WLAN according to any one of 11, it is characterised in that described notification message frame includes beacon frame.
The communicator of 13. 1 kinds of WLANs, it is characterised in that including:
First receives unit, for receiving notification message frame, comprising the first information sending the cycle for indicating communication resource distribution message frame in described notification message frame, the described first information can indicate that the website periodically contention access channel in OFDMA Stochastic accessing competing cycle supporting OFDMA function；
Second receives unit, in the transmission cycle of the described communication resource distribution message frame for indicating according to the described first information, receives the communication resource distribution message frame that access point sends；
Data transmission unit, for based on the transfer resource of instruction in described communication resource distribution message frame, transmitting upstream data.
The communicator of 14. WLANs according to claim 13, it is characterised in that also include:
Unit is set, corresponding with the transmission cycle of described communication resource distribution message frame for the cycle waken up up from resting state is set to.
15. 1 kinds of access points, it is characterised in that including: the communicator of the WLAN as according to any one of claim 8 to 12.
16. 1 kinds of websites, it is characterised in that including: the communicator of the WLAN as described in claim 13 or 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308987.2A CN105828452B (en) | 2016-05-10 | 2016-05-10 | Communication means, communication device, access point and the website of WLAN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308987.2A CN105828452B (en) | 2016-05-10 | 2016-05-10 | Communication means, communication device, access point and the website of WLAN |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105828452A true CN105828452A (en) | 2016-08-03 |
| CN105828452B CN105828452B (en) | 2019-10-08 |
Family
ID=56529286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610308987.2A Active CN105828452B (en) | 2016-05-10 | 2016-05-10 | Communication means, communication device, access point and the website of WLAN |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105828452B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018033106A1 (en) * | 2016-08-19 | 2018-02-22 | 北京佰才邦技术有限公司 | Method and apparatus for performing channel access |
| WO2018040806A1 (en) * | 2016-08-29 | 2018-03-08 | 华为技术有限公司 | Method for transmitting service data, access point and station |
| CN109041177A (en) * | 2017-06-09 | 2018-12-18 | 珠海市魅族科技有限公司 | Communication means and communication device, the communication equipment of WLAN |
| CN109246729A (en) * | 2017-07-11 | 2019-01-18 | 珠海市魅族科技有限公司 | Communication means and communication device, access point apparatus, site apparatus |
| CN109417828A (en) * | 2016-11-01 | 2019-03-01 | 华为技术有限公司 | A kind of accidental access method and website |
| CN109429245A (en) * | 2017-08-30 | 2019-03-05 | 珠海市魅族科技有限公司 | Communication means, device, access point apparatus and the site apparatus of WLAN |
| CN109922514A (en) * | 2017-12-13 | 2019-06-21 | 珠海市魅族科技有限公司 | Communication means and communication device, access point apparatus and site apparatus |
| CN110505676A (en) * | 2018-05-16 | 2019-11-26 | 智观诚通讯科技(昆山)有限公司 | Uplink access method and its website, storage device |
| CN111726884A (en) * | 2019-03-20 | 2020-09-29 | 中国移动通信有限公司研究院 | Indication method and device |
| WO2021035406A1 (en) * | 2019-08-23 | 2021-03-04 | 北京小米移动软件有限公司 | Resource allocation method and apparatus, and storage medium |
| CN113228805A (en) * | 2018-12-28 | 2021-08-06 | 三菱电机株式会社 | Wireless communication device, wireless communication method, and wireless communication program |
| RU2782342C1 (en) * | 2019-08-23 | 2022-10-26 | Бейдзин Сяоми Мобайл Софтвэр Ко., Лтд. | Method and apparatus for assigning resources, as well as an information carrier |
| CN115499796A (en) * | 2017-02-21 | 2022-12-20 | 松下电器（美国）知识产权公司 | Communication apparatus and communication method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101292447A (en) * | 2005-10-18 | 2008-10-22 | 三星电子株式会社 | Method and apparatus for allocating transmission period in a wireless communication system, and system therefor |
| CN104206001A (en) * | 2012-04-20 | 2014-12-10 | 华为技术有限公司 | Method and apparatus for data transmission in wireless network |
| CN104254136A (en) * | 2013-06-27 | 2014-12-31 | 华为技术有限公司 | Medium access method and service access point, station and system |
| US20150163043A1 (en) * | 2013-12-04 | 2015-06-11 | Electronics And Telecommunications Research Institute | Method and apparatus for allocating channel in wireless local area network |
| CN104902571A (en) * | 2014-03-05 | 2015-09-09 | 华为终端有限公司 | Method for sending uplink data, and related device and system |
| CN105191474A (en) * | 2013-05-10 | 2015-12-23 | 株式会社Kt | Method for alleviating hidden node problem in WLAN system |
| CN105407531A (en) * | 2015-12-28 | 2016-03-16 | 魅族科技（中国）有限公司 | Communication method and communication device in wireless local area network, access point and site |
-
2016
- 2016-05-10 CN CN201610308987.2A patent/CN105828452B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101292447A (en) * | 2005-10-18 | 2008-10-22 | 三星电子株式会社 | Method and apparatus for allocating transmission period in a wireless communication system, and system therefor |
| CN104206001A (en) * | 2012-04-20 | 2014-12-10 | 华为技术有限公司 | Method and apparatus for data transmission in wireless network |
| CN105191474A (en) * | 2013-05-10 | 2015-12-23 | 株式会社Kt | Method for alleviating hidden node problem in WLAN system |
| CN104254136A (en) * | 2013-06-27 | 2014-12-31 | 华为技术有限公司 | Medium access method and service access point, station and system |
| US20150163043A1 (en) * | 2013-12-04 | 2015-06-11 | Electronics And Telecommunications Research Institute | Method and apparatus for allocating channel in wireless local area network |
| CN104902571A (en) * | 2014-03-05 | 2015-09-09 | 华为终端有限公司 | Method for sending uplink data, and related device and system |
| CN105407531A (en) * | 2015-12-28 | 2016-03-16 | 魅族科技（中国）有限公司 | Communication method and communication device in wireless local area network, access point and site |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107770877B (en) * | 2016-08-19 | 2019-12-13 | 北京佰才邦技术有限公司 | listen before send LBT (local binary Transmission) execution method and related device |
| CN107770877A (en) * | 2016-08-19 | 2018-03-06 | 北京佰才邦技术有限公司 | One kind is first listened sends out LBT execution methods and relevant apparatus afterwards |
| WO2018033106A1 (en) * | 2016-08-19 | 2018-02-22 | 北京佰才邦技术有限公司 | Method and apparatus for performing channel access |
| WO2018040806A1 (en) * | 2016-08-29 | 2018-03-08 | 华为技术有限公司 | Method for transmitting service data, access point and station |
| US11770866B2 (en) | 2016-08-29 | 2023-09-26 | Huawei Technologies Co., Ltd. | Service data transmission method, access point, and station |
| CN109417828B (en) * | 2016-11-01 | 2021-11-19 | 华为技术有限公司 | Random access method and site |
| CN109417828A (en) * | 2016-11-01 | 2019-03-01 | 华为技术有限公司 | A kind of accidental access method and website |
| CN115499796A (en) * | 2017-02-21 | 2022-12-20 | 松下电器（美国）知识产权公司 | Communication apparatus and communication method |
| CN115499796B (en) * | 2017-02-21 | 2023-12-12 | 松下电器（美国）知识产权公司 | Communication device and communication method |
| CN109041177A (en) * | 2017-06-09 | 2018-12-18 | 珠海市魅族科技有限公司 | Communication means and communication device, the communication equipment of WLAN |
| CN109041177B (en) * | 2017-06-09 | 2022-11-04 | 珠海市魅族科技有限公司 | Communication method, communication device and communication equipment of wireless local area network |
| CN109246729A (en) * | 2017-07-11 | 2019-01-18 | 珠海市魅族科技有限公司 | Communication means and communication device, access point apparatus, site apparatus |
| CN109429245B (en) * | 2017-08-30 | 2022-09-13 | 珠海市魅族科技有限公司 | Communication method and device of wireless local area network, access point equipment and site equipment |
| CN109429245A (en) * | 2017-08-30 | 2019-03-05 | 珠海市魅族科技有限公司 | Communication means, device, access point apparatus and the site apparatus of WLAN |
| CN109922514B (en) * | 2017-12-13 | 2021-11-30 | 珠海市魅族科技有限公司 | Communication method and communication device, access point equipment and station equipment |
| CN109922514A (en) * | 2017-12-13 | 2019-06-21 | 珠海市魅族科技有限公司 | Communication means and communication device, access point apparatus and site apparatus |
| CN110505676A (en) * | 2018-05-16 | 2019-11-26 | 智观诚通讯科技(昆山)有限公司 | Uplink access method and its website, storage device |
| CN113228805A (en) * | 2018-12-28 | 2021-08-06 | 三菱电机株式会社 | Wireless communication device, wireless communication method, and wireless communication program |
| CN113228805B (en) * | 2018-12-28 | 2024-01-16 | 三菱电机株式会社 | Wireless communication device, wireless communication method, and computer-readable recording medium |
| CN111726884B (en) * | 2019-03-20 | 2022-06-07 | 中国移动通信有限公司研究院 | Indication method and device |
| CN111726884A (en) * | 2019-03-20 | 2020-09-29 | 中国移动通信有限公司研究院 | Indication method and device |
| CN112703763A (en) * | 2019-08-23 | 2021-04-23 | 北京小米移动软件有限公司 | Resource allocation method, device and storage medium |
| CN112703763B (en) * | 2019-08-23 | 2023-04-04 | 北京小米移动软件有限公司 | Resource allocation method, device and storage medium |
| RU2782342C1 (en) * | 2019-08-23 | 2022-10-26 | Бейдзин Сяоми Мобайл Софтвэр Ко., Лтд. | Method and apparatus for assigning resources, as well as an information carrier |
| WO2021035406A1 (en) * | 2019-08-23 | 2021-03-04 | 北京小米移动软件有限公司 | Resource allocation method and apparatus, and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105828452B (en) | 2019-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105828452A (en) | Communication method and communication device of wireless local area network, access point and site | |
| KR102136811B1 (en) | Method for alleviating problem of hidden node in wireless local area network system | |
| EP3200543B1 (en) | Method for configuring random access response window, base station and user equipment | |
| EP2803227B1 (en) | Method and apparatus for ap discovery with fils beacon | |
| EP2859759B1 (en) | Method and station for active scanning in multi-channel wi-fi system | |
| EP2786509B1 (en) | Apparatus and method for machine-type communications | |
| US20230189078A1 (en) | Use of wait period to obtain on-demand system information for wireless networks | |
| US20170013596A1 (en) | Control of semi-persistent channel occupation for device-to device (d2d) wireless communications | |
| CN105828436A (en) | Paging method, paging device, MME, base station and user equipment | |
| CN104994591A (en) | Adjustment method, adjustment system of channel acquisition probability and base station | |
| EP2910076B1 (en) | Systems and methods for efficient channel synchronization | |
| CN103444224B (en) | Wireless base station apparatus and communication control method | |
| CN108616968B (en) | Method and apparatus for transmitting frame | |
| US20180368178A1 (en) | Wireless Local Area Network Communication Method and Communication Device, and Station | |
| EP2736288A2 (en) | Communications apparatus and method for reducing power consumption of a communications apparatus in an Access Point mode | |
| CN106961727B (en) | Paging and control method and device thereof | |
| US10050746B2 (en) | System and method for orthogonal frequency division multiple access power-saving poll transmission | |
| EP3506544B1 (en) | Method and apparatus for transmitting downlink control signal | |
| CN105407531A (en) | Communication method and communication device in wireless local area network, access point and site | |
| EP3334211A1 (en) | Communication method and device | |
| KR20110010053A (en) | Method and apparatus for scheduling request | |
| US20140056163A1 (en) | Systems and Methods for Nearby Channel Measurement | |
| US20150223081A1 (en) | Method for receiving downlink signal by station in wireless communication system | |
| WO2019191984A1 (en) | Signal transmitting method, network device and terminal device | |
| US20190320462A1 (en) | Method for Facilitating Clear Channel Assessment and Radio Unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |