CN109412711A - The matching method and device of full-duplex communication, terminal in asymmetric band - Google Patents
The matching method and device of full-duplex communication, terminal in asymmetric band Download PDFInfo
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- CN109412711A CN109412711A CN201811267990.XA CN201811267990A CN109412711A CN 109412711 A CN109412711 A CN 109412711A CN 201811267990 A CN201811267990 A CN 201811267990A CN 109412711 A CN109412711 A CN 109412711A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
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- 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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
Abstract
The matching method and device, terminal of full-duplex communication in a kind of asymmetric band, the matching method includes: to send one group of trigger frame, one group of trigger frame carries RU and reports instruction information, the RU reports instruction information and is used to indicate each first receiving node for carrying out RU measurement and reporting, and one group of trigger frame includes at least one trigger frame；The measurement report that each first receiving node is sent is received, with the pairing node of full-duplex communication in the asymmetric band of determination.The technical solution provided through the invention, can choose suitable website and access point carries out full-duplex communication in asymmetric band, and improve data transfer rate is played with interior full-duplex communication advantage.
Description
Technical field
The present invention relates to wireless communication technology fields, more particularly to a kind of matching side of full-duplex communication in asymmetric band
Method and device, terminal.
Background technique
802.11 full duplex interest group of Institute of Electrical and Electric Engineers (Institute of Electrical and
Electronics Engineers 802.11Full Duplex Topic Interest Group, abbreviation IEEE802.11FD
TIG full duplex in no tape (In-band Full Duplex, abbreviation IFD) concept) is introduced, IEEE802.11 system is allowed
(for example, WLAN (Wireless Local Area Network, abbreviation WLAN) system) carries out full-duplex communication.
Full duplex can be divided into symmetrical full duplex and two kinds of asymmetric full-duplex in no tape.For WLAN, access point
Full-duplex communication between (Access Point, abbreviation AP) and website (STAtion, abbreviation STA) is symmetrical full-duplex communication
When, AP and STA all have full duplex ability.When full-duplex communication between AP and STA is full-duplex communication in asymmetric band, AP
With full duplex ability, while being received and dispatched.For example, AP is received from STAA while grouping, sends and be grouped to STAB.
In asymmetric band in full-duplex communication, when only reaching certain threshold value there are two the path loss between STA, just it is suitable for same
When with AP carry out data communication respectively, it is otherwise interfering with each other between two STA, communication quality will be reduced.However, how to choose properly
The STA and AP with full duplex ability carry out full-duplex communication, the prior art do not provide associated solutions.
Summary of the invention
Present invention solves the technical problem that being how to choose website to complete full-duplex communication in asymmetric band, to improve transmission
Rate.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of matching side of full-duplex communication in asymmetric band
Method, the matching method of full-duplex communication includes: to send one group of trigger frame in the asymmetric band, and one group of trigger frame carries
RU reports instruction information, and the RU reports instruction information and is used to indicate each first receiving node for carrying out RU measurement and reporting,
One group of trigger frame includes at least one trigger frame；The measurement report that each first receiving node is sent is received, it is non-with determination
Symmetrically with the pairing node of interior full-duplex communication.
Optionally, one group of trigger frame includes two trigger frames, and one group of trigger frame of the transmission includes: to send the first touching
Send out frame；The PPDU grouping that each second receiving node of the first trigger frame instruction is sent is received, the PPDU grouping is selected from:
Upgoing O FDMA PPDU grouping, uplink MU-MIMO PPDU grouping；Send the second trigger frame, first trigger frame or described
Two trigger frames include that the RU reports instruction information.
Optionally, one group of trigger frame includes two trigger frames, and one group of trigger frame of the transmission includes: to send the first touching
Send out frame；The second trigger frame is sent, first trigger frame or second trigger frame include that the RU reports instruction information.
Optionally, each first receiving node is full duplex node, and one group of trigger frame includes a trigger frame, described
Sending one group of trigger frame includes: to send the trigger frame that instruction information is reported including the RU.
Optionally, the measurement report for receiving each first receiving node transmission includes: to receive the trigger frame instruction
Each first receiving node the PPDU grouping and measurement report that send, PPDU grouping is selected from: upgoing O FDMA PPDU points
Group, uplink MU-MIMO PPDU grouping.
Optionally, the measurement report for receiving each first receiving node transmission includes: to receive the trigger frame instruction
Each first receiving node send detection grouping and measurement report.
Optionally, after receiving the measurement report that each first receiving node is sent, the matching method further include: to
Each first receiving node sends acknowledgement frame.
Optionally, after receiving the measurement report that each first receiving node is sent, the matching method further include: will
Node successful matching information is sent to each pairing node.
Optionally, the measurement report be 1 bit or more bits, amount of bits with default line loss threshold quantity increase
And increase.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of matching side of full-duplex communication in asymmetric band
Method, comprising: receive one group of trigger frame that sending node issues, one group of trigger frame carries RU and reports instruction information, described
RU reports instruction information and is used to indicate each first receiving node for carrying out RU measurement and reporting；Instruction letter is reported according to the RU
Breath judges whether present node is first receiving node, surveys if it is, executing measurement and sending to the sending node
Amount report, so that the sending node determines the pairing node of full-duplex communication in asymmetric band according to the measurement report.
Optionally, one group of trigger frame includes two trigger frames, the one group of trigger frame for receiving sending node and issuing
It include: the first trigger frame for receiving the sending node and issuing；Whether the present node is determined according to first trigger frame
For the second receiving node, if it is, sending PPDU grouping, the PPDU grouping is selected from: upgoing O FDMA PPDU grouping, uplink
MU-MIMO PPDU grouping；Receive the acknowledgement frame and the second trigger frame, first trigger frame or institute that the sending node is sent
Stating the second trigger frame includes that the RU reports instruction information.
Optionally, one group of trigger frame includes two trigger frames, the one group of trigger frame for receiving sending node and issuing
It include: the first trigger frame for receiving the sending node and issuing；Whether the present node is determined according to first trigger frame
For the second receiving node, it is grouped if it is, sending detection；Receive the second trigger frame that the sending node issues, described the
One trigger frame or second trigger frame include that the RU reports instruction information.
Optionally, each receiving node is full duplex node, and one group of trigger frame of the reception includes: to receive including the RU
Report the trigger frame of instruction information.
Optionally, it is described to the sending node send measurement report include: to the sending node send PPDU grouping
And measurement report, the PPDU grouping are selected from: upgoing O FDMA PPDU grouping, uplink MU-MIMO PPDU grouping.
Optionally, it is described to the sending node send measurement report include: to the sending node send detection grouping
And measurement report.
Optionally, after sending measurement report to the sending node, the matching method further include: receive the hair
The acknowledgement frame for sending node to send.
Optionally, after sending measurement report to the sending node, the matching method further include: from the transmission
Node receiving node successful matching information, when the node successful matching information is that the present node is confirmed as matching node
It issues.
Optionally, the measurement report be 1 bit or more bits, amount of bits with default line loss threshold quantity increase
And increase.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of pairing dress of full-duplex communication in asymmetric band
It sets, comprising: sending module is suitable for sending one group of trigger frame, and one group of trigger frame carries RU and reports instruction information, the RU
It reports instruction information and is used to indicate each first receiving node for carrying out RU measurement and reporting, one group of trigger frame includes at least
One trigger frame；Receiving module, the measurement report sent suitable for receiving each first receiving node, with complete in the asymmetric band of determination
The pairing node of duplex communication.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of pairing dress of full-duplex communication in asymmetric band
It sets, comprising: receiving module, the one group of trigger frame issued suitable for receiving sending node, one group of trigger frame carry RU report
Indicate information, the RU reports instruction information and is used to indicate each first receiving node for carrying out RU measurement and reporting；Judge mould
Block reports instruction information according to the RU and judges whether present node is first receiving node, if it is, the judgement
Module is adapted for carrying out measurement and sends measurement report to the sending node, so that the sending node is according to the measurement report
Determine the pairing node of full-duplex communication in asymmetric band.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of storage medium, it is stored thereon with computer and refers to
The step of enabling, the above method executed when the computer instruction is run.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of terminal, including memory and processor, it is described
The computer instruction that can be run on the processor is stored on memory, when the processor runs the computer instruction
The step of above method.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
The embodiment of the present invention provides a kind of matching method of full-duplex communication in asymmetric band, comprising: sends one group of triggering
Frame, one group of trigger frame carry RU and report instruction information, and the RU reports instruction information and is used to indicate progress RU measurement simultaneously
Each first receiving node reported, one group of trigger frame includes at least one trigger frame；Receive each first receiving node
The measurement report of transmission, with the pairing node of full-duplex communication in the asymmetric band of determination.The skill provided through the embodiment of the present invention
Art scheme, sending node (for example, AP) can carry RU in trigger frame and report instruction information, so that the first receiving node can be with
Instruction information, which is reported, according to RU carries out channel measurement and reporting measurement reports.Later, sending node can be true according to measurement report
Surely it is adapted for the pairing node of full-duplex communication in asymmetric band, to carry out full-duplex communication, plays full-duplex communication advantage,
Obtain higher message transmission rate.
Further, one group of trigger frame includes two trigger frames, and one group of trigger frame of the transmission includes: to send the first touching
Send out frame；The PPDU grouping that each second receiving node of the first trigger frame instruction is sent is received, the PPDU grouping is selected from:
Upgoing O FDMA PPDU grouping, uplink MU-MIMO PPDU grouping；Send the second trigger frame, first trigger frame or described
Two trigger frames include that the RU reports instruction information.The technical solution provided through the embodiment of the present invention, when in one group of trigger frame
When comprising two trigger frames, it can use one of trigger frame and send the RU report instruction information, and then be sending node
It is possible to determine that pairing node provides.
Further, each first receiving node is full duplex node, and one group of trigger frame includes a trigger frame, described
Sending one group of trigger frame includes: to send the trigger frame that instruction information is reported including the RU.It provides through the embodiment of the present invention
Technical solution, when only including a trigger frame in one group of trigger frame, the RU reports instruction information and can be taken by the trigger frame
Band, and then determine that pairing node provides possibility for sending node.
Detailed description of the invention
Fig. 1 is the typical case schematic diagram of a scenario of full-duplex communication in the asymmetric band of wlan system；
Fig. 2 is the flow diagram of the matching method of full-duplex communication in a kind of asymmetric band of the embodiment of the present invention；
Fig. 3 to Fig. 8 is the flow diagram of the matching method of full-duplex communication in the asymmetric band of the embodiment of the present invention；
Fig. 9 is the flow diagram of the matching method of full-duplex communication in another asymmetric band of the embodiment of the present invention；
Figure 10 is the structural schematic diagram of the contrast means of full-duplex communication in a kind of asymmetric band of the embodiment of the present invention；
Figure 11 is the structural schematic diagram of the contrast means of full-duplex communication in another asymmetric band of the embodiment of the present invention.
Specific embodiment
As described in the background art, prior art does not solve the pairing of the node in relation to full-duplex communication in asymmetric band
With On The Choice.
Specifically, IEEE802.11FD TIG concentrates on full-duplex communication in no tape.Wherein, asymmetric FD (for example,
AP is received and dispatched from different STA and is grouped) it is one of key subject.
Currently have proposed the protocol specification of some asymmetric operations (asymmetric operation).But these are assisted
View specification is not directed to how to determine suitable website as asymmetric FD communication node.In asymmetric FD scene, become logical
Believe that the path loss between two STA of node should be big as far as possible.Whether intuitive method as detects the path loss between two STA
Meet path loss requirement.
By taking Fig. 1 as an example, Fig. 1 is the typical case schematic diagram of a scenario of full-duplex communication in the asymmetric band of wlan system.At this
In WLAN communication scenes, include node STA1, the node for having the AP of full-duplex communication ability He having half-duplex operation ability
STA2, node STA3, node STA4.Node STA2, node STA4 are the pairing nodes of a pair of suitable asymmetric full-duplex
(pair).Wherein, node STA2 sends data to AP, and node STA4 receives data from AP.Relatively, due to node STA1, section
Path loss between point STA2 does not meet path loss requirement, and the reception signal of the transmitting signal meeting interfering nodes STA1 of node STA2 is led
Cause node STA1, node STA2 that can not form suitable pairing node.
The embodiment of the present invention provides a kind of matching method of full-duplex communication in asymmetric band, comprising: sends one group of triggering
Frame, one group of trigger frame carry RU and report instruction information, and the RU reports instruction information and is used to indicate progress RU measurement simultaneously
Each first receiving node reported, one group of trigger frame includes at least one trigger frame；Receive each first receiving node
The measurement report of transmission, with the pairing node of full-duplex communication in the asymmetric band of determination.The skill provided through the embodiment of the present invention
Art scheme, sending node (for example, AP) can carry RU in trigger frame and report instruction information, so that the first receiving node can be with
Instruction information, which is reported, according to RU carries out channel measurement and reporting measurement reports.Later, sending node can be true according to measurement report
Surely it is adapted for the pairing node of full-duplex communication in asymmetric band, to carry out full-duplex communication, plays full-duplex communication advantage,
Obtain higher message transmission rate.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to the accompanying drawing to this
The specific embodiment of invention is described in detail.
Fig. 2 is the flow diagram of the matching method of full-duplex communication in a kind of asymmetric band of the embodiment of the present invention, should
The sending node side that node matching method can be used in wlan system having full-duplex communication ability is (for example, have full duplex
The side AP of communication capacity).Specifically, the node matching method may comprise steps of:
Step S201 sends one group of trigger frame, and one group of trigger frame carries RU and reports instruction information, and the RU is reported
Indicate that information is used to indicate each first receiving node for carrying out RU measurement and reporting, one group of trigger frame includes at least one
Trigger frame；
Step S202 receives the measurement report that each first receiving node is sent, logical with full duplex in the asymmetric band of determination
The pairing node of letter.
More specifically, in step s 201, sending node (for example, WLAN AP) can be to multiple receiving node (examples
Such as, WLAN STA) send one group of trigger frame (trigger frame).It is subsequent to have the AP of full-duplex communication ability for simplicity
As sending node, using WLAN STA as receiving node for be illustrated.
In specific implementation, the trigger frame may include multiple receiving nodes and each receiving node carries out upload and makes
The running time-frequency resource information of resource unit (Resource Unit, abbreviation RU), so that the multiple receiving node can basis
The information that the trigger frame carries selects the corresponding position RU, carries out orthogonal frequency division multiple access (Orthogonal
FrequencyDivision Multiple Access, abbreviation OFDMA) access.
In different scenes, the quantity for one group of trigger frame that AP is sent can be different.For example, quantity can be one, two
It is a etc..It can include that RU is reported in the first trigger frame or the second trigger frame when the trigger frame in one group of trigger frame is two
Indicate information, the RU, which reports instruction information, can serve to indicate that each first receiving node for carrying out RU measurement and reporting.Institute
Stating the first receiving node can be a part of node in the receiving node.AP reports instruction by adding RU in trigger frame
Information can notify which receiving node (i.e. the first receiving node) reporting measurement reports, allow AP according to each first
The measurement report that receiving node is sent determines the pairing node for asymmetric FD communication.
In specific implementation, when one group of trigger frame that AP is sent includes two trigger frames, the first trigger frame may include
Relevant parameter information for OFDMA access；It includes RU time-frequency for Time and Frequency Synchronization, reporting measurement reports that second trigger frame, which is removed,
It can also include that RU reports instruction information outside the parameter informations such as information.
As an alternate embodiment, when one group of trigger frame that AP is sent includes two trigger frames, the first trigger frame is removed
Including that outside the relevant parameter information that is accessed for OFDMA, can also include that RU reports instruction information；Second trigger frame can be wrapped only
Include the parameter informations such as RU Time-Frequency Information for Time and Frequency Synchronization, reporting measurement reports.
As a unrestricted example, when one group of trigger frame that AP is sent includes two trigger frames, described first
Trigger frame includes that RU reports instruction information.In specific implementation, AP can send the first trigger frame.Receiving node receives described
After first trigger frame, can according to first trigger frame carry information, determine current receiving node whether be need to
Second receiving node of AP feedback data packet, if it is then the receiving node is to AP feedback data packet.The data point
Group can be grouped for physical protocol data unit (Physical Protocol Data Unit, abbreviation PPDU).Wherein, each
The RU running time-frequency resource of data grouping can be multiple continuous carrier waves (a block of tones).The PPDU is grouped
Upgoing O FDMA PPDU grouping, uplink multi-users input and output (Multi-User Multi-Input and Multi-
Output, abbreviation MU-MIMO) PPDU grouping.
At this point, since first trigger frame further includes that RU reports instruction information, thus each receiving node receives institute
After stating the first trigger frame, it can also learn whether oneself is that needs measure and the first reception of reporting measurement reports saves
Point.If necessary to reporting measurement reports, then the data grouping can be measured when the second receiving node sends data grouping
Running time-frequency resource to obtain measurement result, form measurement report.It should be noted that each receiving node can be half-duplex section
Point, or FD node.When each receiving node is half-duplex node, the first receiving node refers to sending measurement report
Receiving node, and the second receiving node be different from the first receiving node and send data grouping (for example, PPDU be grouped) or
Other receiving nodes of other groupings.When each receiving node is FD node, the first receiving node and the second receiving node can
Think same receiving node, it can data grouping or other groupings can be sent again by sending measurement report.
It, can be to transmission data grouping after AP receives the data grouping that each second receiving node is sent for AP
Second receiving node sends confirmation (ACKnowledgement, abbreviation ACK) frame and the second trigger frame.Each first receives section
The measurement report can be sent to AP after obtaining measurement report after receiving the second trigger frame by point.
As a change case, when one group of trigger frame that AP is sent includes two trigger frames, first trigger frame is not
Instruction information is reported including RU, second trigger frame includes that RU reports instruction information.In specific implementation, AP can send
One trigger frame.After receiving node receives first trigger frame, the information that can be carried according to first trigger frame, really
Whether settled preceding receiving node is the second receiving node needed to AP feedback data packet, if it is then the receiving node
PPDU grouping can be fed back to AP, the PPDU grouping can be upgoing O FDMA PPDU grouping, uplink MU-MIMO PPDU points
Group.
At this point, since first trigger frame does not include that RU reports instruction information, thus each receiving node receives institute
After stating the first trigger frame, can not learn oneself whether need to measure and whether reporting measurement reports.To enable AP
The pairing node for determining asymmetric FD in each receiving node for receiving first trigger frame, has FD communication capacity
Each second receiving node and have half-duplex ability and do not send other receiving nodes of data grouping can be second
Running time-frequency resource measurement is carried out when receiving node sends data grouping to obtain measurement result, forms measurement report.
It, can be to transmission data grouping after AP receives the data grouping that each second receiving node is sent for AP
Second receiving node sends ACK frame and the second trigger frame.As a change case, AP receives each second receiving node and sends
Data grouping after, can to send data grouping the second receiving node send the second trigger frame (no ACK frame).Receive
Each receiving node of two trigger frames can report instruction information from the RU in second trigger frame and learn whether oneself is to need
Want the first receiving node of reporting measurement reports.It, can be with if it is then first receiving node is after obtaining measurement report
The measurement report is sent to AP.
As another change case, in specific implementation, when one group of trigger frame that AP is sent includes two trigger frames, AP
The first trigger frame and the second trigger frame can be sent respectively.For each receiving node, in the first touching for receiving AP transmission
After sending out frame, if determining that present node is to need to send detection grouping to AP according to the information that first trigger frame carries
Second receiving node, then second receiving node sends detection grouping to AP.AP is after receiving detection grouping, Ke Yizhi
The second trigger frame is received and sent, without sending ACK frame before sending the second trigger frame.It should be noted that the detection grouping
Can be upgoing O FDMA and/or MU-MIMO sky data packet (for example, (Null Data Packet, abbreviation NDP)).Alternatively, institute
Stating detection grouping can interlock the empty data packet of (tone-interlaced) for carrier frequency.
As a change case, for each receiving node, after the first trigger frame for receiving AP transmission, if
Determine that present node be the second receiving node for sending detection and being grouped according to the information that first trigger frame carries, then this
Two receiving nodes can send detection grouping to periphery receiving node and AP.AP can ignore the detection grouping (for example, AP is not
Receive the detection grouping), the second trigger frame is directly transmitted, and ACK frame is sent not before sending the second trigger frame.It needs
It is bright, at the time of the sending instant of the detection grouping can be after receiving first trigger frame.
Further, each receiving node, can be according to first trigger frame or institute after receiving the second trigger frame
It states the RU that the second trigger frame includes and reports instruction information, learn whether oneself is to need to feed back the first of measurement report to receive section
Point, if it is, first receiving node will send measurement report to AP after receiving second trigger frame.Wherein,
The RU of each data grouping can be intertexture tone (interlaced tones), i.e., multiple non-adjacent carrier waves.This field skill
Art personnel understand, when the detailed process that the RU is reported when instruction packet is contained in the first trigger frame or the second trigger frame can join
It is admitted to text, is not repeated herein.
It should be noted that if one group of trigger frame that AP is sent includes the first trigger frame and the second trigger frame, described the
One trigger frame indicates that each second receiving node sends detection grouping, then the i.e. transmittable detection point of each second receiving node
Group.If second trigger frame indicates that each first receiving node sends measurement report, first receiving node exists
After receiving second trigger frame, that is, the measurement report can be transmitted.If one group of trigger frame that AP is sent includes one
Trigger frame, and the trigger frame indicates that each first receiving node sends detection grouping and measurement is reported, then described first connects
Node is received after receiving the trigger frame, i.e., transmittable detection is grouped and then sends the measurement report.
In specific implementation, when one group of trigger frame that AP is sent includes a trigger frame, which may include RU
Report instruction information.After AP sends the trigger frame, the receiving node for having full-duplex communication ability is receiving the touching
Send out frame after, can according to the trigger frame carry information learn oneself whether need to AP feed back PPDU grouping, whether needs
Reporting measurement reports.If necessary to feedback data packet, reporting measurement reports, then the receiving node can be to AP feedback coefficient
When according to grouping, measurement report is then sent.Wherein, the PPDU grouping can be selected from: upgoing O FDMA PPDU grouping, uplink
MU-MIMO PPDU grouping.
As a change case, in specific implementation, when one group of trigger frame that AP is sent includes a trigger frame, the touching
Hair frame may include that RU reports instruction information.After AP sends trigger frame, the receiving node for having full-duplex communication ability exists
After receiving the trigger frame, it can learn oneself whether need to AP feedback detection point according to the information that the trigger frame carries
Whether group needs reporting measurement reports.If necessary to feedback detection grouping, reporting measurement reports, then the receiving node can be with
When sending detection grouping, measurement report is sent then to AP.Wherein, the measurement report is by measuring the detection grouping
It obtains.It should be noted that each receiving node after receiving the trigger frame, can be carried according to the trigger frame
Information learns oneself whether need to send detection grouping to all mid-side nodes, at this time, it may be necessary to which the receiving node for sending detection grouping can
It (for example, just sending detection grouping after receiving the trigger frame, and then sends and surveys to send detection grouping to all mid-side nodes
Amount report), AP can be used as all mid-side nodes and receive the detection grouping, can also directly ignore the detection grouping.
It will be appreciated by those skilled in the art that the first trigger frame is removed when one group of trigger frame that AP is sent includes two trigger frames
Including that outside the relevant parameter information that is accessed for OFDMA, can also include that the RU reports instruction information；Second trigger frame is except packet
Include for Time and Frequency Synchronization, reporting measurement reports the parameter informations such as RU Time-Frequency Information outside, can also include that the RU reports instruction
Information.
In step S202, when one group of trigger frame includes two trigger frames, AP can connect from the first receiving node
Receive the measurement report.After receiving the measurement report that each first receiving node is sent, AP can connect to each first
It receives node and sends acknowledgement frame.
As a change case, when one group of trigger frame includes a trigger frame, AP can be together from described first
Node receives data grouping and measurement report；Alternatively, AP can receive detection grouping from first receiving node together and survey
Amount report.Later, AP can send ACK frame to each first receiving node.It should be noted that in specific implementation, AP
The detection grouping that first receiving node is sent can be ignored, only receive the measurement report.
In specific implementation, after AP obtains measurement report, it can determine which node matches each other according to measurement report
Node, to carry out asymmetric FD communication.When carrying out asymmetric FD communication, can believe pairing node as node successful matching
Breath is sent to each pairing node.It should be noted that measurement report can be and be obtained according to the measurement result of every RU,
It can be what each node was obtained according to the measurement result of multiple RU of its measurement, or according to every one second receiving node
What measurement result obtained.
In specific implementation, the measurement report can be 1 bit or more bits.Specifically, if only 1 default
Line loss threshold, then can indicate whether measurement result is lower than default line loss threshold using the measurement report of 1 bit.If there is more
A default line loss threshold, then can indicate the path loss range where measurement result using the measurement report of more bits.Default road
Damage thresholding is more, and the amount of bits of measurement report is more, and the precision of measurement report is higher.Wherein, measurement result can be to connect
Receive signal strength instruction (Received Signal Strength Indicator, abbreviation RSSI).
For example, the default line loss threshold is respectively -82 decibel milliwatts (deciBels referenced to a
MilliWatt, abbreviation dBm), three pre-determined thresholds of -72dBm and -62dBm, measurement report can be 2 bits.Measurement result with
RSSI indicates that measurement report is as shown in table 1.
Table 1
| RSSI | -85 | -70 | -76 | -40 | -63 |
| Measurement report | 00 | 10 | 01 | 11 | 10 |
Fig. 3 is the flow diagram of the matching method of full-duplex communication in a kind of asymmetric band of the embodiment of the present invention.Its
In, AP has a full-duplex communication ability, node STA1, node STA2 ..., node STAn, node STA (n+1), node STA
(n+2) ..., node STAk is provided with half-duplex operation ability.AP sends the first trigger frame and the second triggering in downlink
Frame, first trigger frame or the second trigger frame include that RU reports instruction information, and each node can report instruction letter by RU
Breath learn send data grouping node be node STA1, node STA2 ..., node STAn；Send the node of measurement report
For node STA (n+1), node STA (n+2) ..., node STAk.Node STA1, node STA2 ..., node STAn it is logical
When crossing uplink and sending data grouping, node STA (n+1), node STA (n+2) ..., node STAk can be can be used
RU (Available RU, abbreviation ARU) measurement, forms measurement report.Under normal conditions, AP is in the data for receiving each node point
After group, ACK frame is sent, and receive measurement report.Further, AP can send ACK frame to each node for sending measurement report.
It should be noted that the ARU refers to that the first receiving node sends the RU where data grouping to AP.
It will be appreciated by those skilled in the art that ACK frame can not also be sent after the data grouping for receiving each node in AP,
And receive measurement report.Further, AP can not send ACK frame to each node for sending measurement report.
Fig. 4 is the flow diagram of the matching method of full-duplex communication in another asymmetric band of the embodiment of the present invention.
Wherein, AP has a full-duplex communication ability, node STA1, node STA2 ..., node STAn be provided with full-duplex communication energy
Power.AP sends the first trigger frame and the second trigger frame in downlink, and first trigger frame or the second trigger frame include that RU converges
Report instruction information, each node can report instruction information by RU and learn that the node for sending data grouping and measurement report is all
Node STA1, node STA2 ..., node STAn.Node STA1, node STA2 ..., node STAn uplink send
When data grouping, ARU measurement is also carried out, forms measurement report.Later, AP is sent after the data grouping for receiving each node
ACK frame, and receive measurement report.Further, AP can send ACK frame to each node for sending measurement report.
Fig. 5 is the flow diagram of the matching method of full-duplex communication in the asymmetric band of another kind of the embodiment of the present invention.
Wherein, AP has a full-duplex communication ability, node STA1, node STA2 ..., node STAn, node STA (n+1), node
STA (n+2) ..., node STAk be provided with half-duplex operation ability.After AP sends the first trigger frame, node STA1, node
STA2 ..., node STAn to AP send detection grouping.At this point, node STA (n+1), node STA (n+2) ..., node
STAk can carry out ARU measurement, to form measurement report.Later, AP sends second after the data grouping for receiving each node
Trigger frame and from node STA (n+1), node STA (n+2) ..., node STAk receive measurement report.Further, AP can be to
The each node for sending measurement report sends ACK frame.Further details can be with reference to the description in Fig. 3.
Fig. 6 is the flow diagram of the matching method of full-duplex communication in another asymmetric band of the embodiment of the present invention.
Wherein, AP has a full-duplex communication ability, node STA1, node STA2 ..., node STAn be provided with full-duplex communication energy
Power.AP send the first trigger frame after, node STA1, node STA2 ..., node STAn to AP send detection grouping it is same
When, ARU measurement is carried out, also to form measurement report.Later, AP sends the second touching after the data grouping for receiving each node
Send out frame and from node STA1, node STA2 ..., node STAn receive measurement report.Further, AP can be reported to measurement is sent
The each node accused sends ACK frame.Further details can be with reference to the description in Fig. 4.
Fig. 7 is the flow diagram of the matching method of full-duplex communication in a kind of lower asymmetric band of the embodiment of the present invention.
Wherein, AP and node STA1, node STA2 ..., node STAn be provided with full-duplex communication ability.The first touching is sent in AP
Send out frame after, node STA1, node STA2 ..., node STAn to AP send data grouping while, together send measurement report
It accuses.Later, AP to node STA1, node STA2 ..., node STAn send ACK frame.
Fig. 8 is the flow diagram of the matching method of full-duplex communication in another asymmetric band of the embodiment of the present invention.
Wherein, AP and node STA1, node STA2 ..., node STAn be provided with full-duplex communication ability.The first touching is sent in AP
Send out frame after, node STA1, node STA2 ..., node STAn to AP send detection grouping while, together send measurement report
It accuses.Later, AP to node STA1, node STA2 ..., node STAn send ACK frame.
In specific implementation, after AP obtains node successful matching information, AP can carry out asymmetric with pairing node
FD transmission.
Fig. 9 is the flow diagram of the matching method of full-duplex communication in another asymmetric band of the embodiment of the present invention.
The matching method can be used for receiving node side (for example, the side WLAN STA).Specifically, the matching method may include
Following steps:
Step S301, receives one group of trigger frame that sending node issues, and one group of trigger frame carries RU and reports instruction
Information, the RU report instruction information and are used to indicate each first receiving node for carrying out RU measurement and reporting；
Step S302 reports instruction information according to the RU and judges whether present node is first receiving node, such as
Fruit is then to execute measurement and send measurement report to the sending node, so that the sending node is according to the measurement report
Determine the pairing node of full-duplex communication in asymmetric band.
In specific implementation, in step S301, node (for example, WLAN STA) can connect from sending node (for example, AP)
One group of trigger frame is received, one group of trigger frame can carry RU and report instruction information, and the RU reports instruction information and is used for
Indicate each first receiving node for carrying out RU measurement and reporting.
When one group of trigger frame includes two trigger frames, WLAN STA can receive that the sending node issues the
One trigger frame；And determine whether the present node is the second receiving node according to first trigger frame, if it is, should
WLAN STA can send PPDU grouping to the sending node.Later, it can receive the acknowledgement frame that the sending node is sent
With the second trigger frame.Wherein, first trigger frame or second trigger frame may include that the RU reports instruction information.
As a change case, when one group of trigger frame includes two trigger frames, WLAN STA can receive described
The first trigger frame that sending node issues；And determine whether the present node is the second reception section according to first trigger frame
Point, if it is, sending detection grouping.Later, the second trigger frame that the sending node issues, first touching be can receive
Hair frame or second trigger frame include that the RU reports instruction information.
As another change case, when some receiving node is full duplex node, for individual node, first is received
Node can be identical as the second receiving node, i.e., the two is same node.At this point it is possible to which receiving from AP includes that RU report refers to
Show the trigger frame of information.Later, which can send data grouping and measurement report, the data point to the sending node
Group can be the PPDU groupings such as upgoing O FDMA PPDU grouping, uplink MU-MIMO PPDU grouping.Alternatively, the node can be to institute
State sending node and send detection grouping and measurement report, detection grouping can for the staggered sky data packet of carrier frequency or
NDP grouping.Later, the acknowledgement frame that the sending node is sent is received from the sending node.It should be noted that the transmission
Node can ignore the detection grouping.
In specific implementation, after WLAN STA sends measurement report to the sending node, if present node quilt
It is determined as matching node, then the WLAN STA can also be from the sending node receiving node successful matching information, the section
Point successful matching information is that the present node is confirmed as issuing when matching node.
In specific implementation, the measurement report can be 1 bit or more bits, and amount of bits can be with default path loss
The increase of threshold number and increase.
Figure 10 is the contrast means of full-duplex communication in a kind of asymmetric band of the embodiment of the present invention.In the asymmetric band
The contrast means 2 (for simplicity, subsequent to be known as contrast means 2) of full-duplex communication can be used for implementing matching method shown in Fig. 2 to Fig. 8
Technical solution can be applied to the side WLAN AP.Specifically, the configuration device 2 may include: sending module 21 and receive
Module 22.
More specifically, the sending module 21 is suitable for sending one group of trigger frame, and one group of trigger frame carries RU remittance
Report instruction information, the RU reports instruction information and is used to indicate each first receiving node for carrying out RU measurement and reporting, described
One group of trigger frame includes at least one trigger frame；The receiving module 22 is suitable for receiving the measurement that each first receiving node is sent
Report, with the pairing node of full-duplex communication in the asymmetric band of determination.
In specific implementation, one group of trigger frame includes two trigger frames, and the sending module 21 may include: first
Sending submodule 211 is suitable for sending the first trigger frame；First receiving submodule 212 is suitable for receiving the first trigger frame instruction
The PPDU grouping that sends of each second receiving node, PPDU grouping is selected from: upgoing O FDMA PPDU grouping, uplink MU-
MIMO PPDU grouping；Second sending submodule 213 is suitable for sending the second trigger frame, first trigger frame or second touching
Hair frame includes that the RU reports instruction information.
As a change case, one group of trigger frame includes two trigger frames, and the sending module 21 may include: the
Three sending submodules 214 are suitable for sending the first trigger frame；4th sending submodule 215 is suitable for sending the second trigger frame, described
First trigger frame or second trigger frame include that the RU reports instruction information.
As another change case, each first receiving node is full duplex node, and one group of trigger frame includes one
Trigger frame, the sending module 21 may include: the 5th sending submodule 216, and being suitable for sending includes that the RU reports instruction letter
The trigger frame of breath.
In specific implementation, the receiving module 22 may include: third receiving submodule 221, be suitable for receiving the touching
Data PPDU grouping and measurement report that each first receiving node of frame instruction is sent are sent out, the PPDU grouping is selected from: uplink
OFDMAPPDU grouping, uplink MU-MIMO PPDU grouping.
In specific implementation, the receiving module 22 may include: the 4th receiving submodule 222, be suitable for receiving the touching
Send out detection grouping and measurement report that each first receiving node of frame instruction is sent.
In specific implementation, the contrast means 2 can also include: acknowledgement frame sending module 23, be suitable for each first
Receiving node sends acknowledgement frame.
In specific implementation, the contrast means 2 can also include: successful matching sending module 24, suitable for matching node
Each pairing node is sent to successful information.
Wherein, the measurement report can be 1 bit or more bits, amount of bits with default line loss threshold quantity increasing
Increase greatly.
Working principle, more contents of working method about the contrast means 2, are referred to above-mentioned Fig. 2 into Fig. 8
Associated description, which is not described herein again.
Figure 11 is the contrast means of full-duplex communication in a kind of asymmetric band of the embodiment of the present invention, in the asymmetric band
The contrast means 3 (for simplicity, subsequent to be known as contrast means 3) of full-duplex communication can be used for implementing matching method technology shown in Fig. 9
Scheme can be applied to the side WLAN STA.Specifically, the configuration device 3 may include: receiving module 31 and judgment module
32。
More specifically, the receiving module 31 is suitable for receiving one group of trigger frame that sending node issues, one group of touching
Hair frame carries RU and reports instruction information, and the RU reports instruction information and is used to indicate each first for carrying out RU measurement and reporting
Receiving node；Instruction information is reported according to the RU and judges whether present node is first receiving node, if it is, institute
It states judgment module 32 to be suitable for sending measurement report to the sending node, so that the sending node is true according to the measurement report
The pairing node of full-duplex communication in fixed asymmetric band.
In specific implementation, one group of trigger frame may include two trigger frames, and the receiving module 31 may include:
First receiving submodule 311, the first trigger frame issued suitable for receiving the sending node；First determines submodule 312, is suitable for
Determine whether the present node is the second receiving node according to first trigger frame, if it is, to the sending node
PPDU grouping is sent, the PPDU grouping is selected from: upgoing O FDMAPPDU grouping, uplink MU-MIMO PPDU grouping；Second receives
Submodule 313, suitable for receiving the acknowledgement frame and the second trigger frame that the sending node is sent, first trigger frame or described the
Two trigger frames include that the RU reports instruction information.
As a change case, one group of trigger frame may include two trigger frames, and the receiving module 31 can wrap
It includes: third receiving submodule 314, the first trigger frame issued suitable for receiving the sending node；Second determines submodule 315,
Suitable for determining whether the present node is the second receiving node according to first trigger frame, if it is, sending detection point
Group；4th receiving submodule 316 receives the second trigger frame that the sending node issues, first trigger frame or described second
Trigger frame includes that the RU reports instruction information.
As another change case, each receiving node is full duplex node, and the receiving module 31 may include: the 5th
Receiving submodule 317, suitable for receiving the trigger frame for reporting instruction information including the RU.
In specific implementation, the judgment module 32 may include: the first sending submodule 321, be suitable for the transmission
Node sends PPDU grouping and measurement report.Or second sending submodule 322, it is suitable for sending detection point to the sending node
Group and measurement report.
In specific implementation, the contrast means 3 can also include acknowledgement frame receiving module 33, be suitable for the transmission
After node sends measurement report, the acknowledgement frame that the sending node is sent is received.
In specific implementation, the contrast means 3 can also include successful matching receiving module 34, be suitable for the hair
After sending node to send measurement report, from the sending node receiving node successful matching information, the node successful matching letter
Breath is that the present node is confirmed as issuing when matching node.
Wherein, the measurement report can be 1 bit or more bits, amount of bits with default line loss threshold quantity increasing
Increase greatly.
Working principle, more contents of working method about the contrast means 3, the phase being referred in above-mentioned Fig. 9
Description is closed, which is not described herein again.
Further, a kind of storage medium is also disclosed in the embodiment of the present invention, is stored thereon with computer instruction, the calculating
Method and technology scheme described in above-mentioned Fig. 2 to embodiment illustrated in fig. 9 is executed when machine instruction operation.Preferably, the storage medium
It may include the meter such as non-volatile (non-volatile) memory or non-transient (non-transitory) memory
Calculation machine readable storage medium storing program for executing.The computer readable storage medium may include ROM, RAM, disk or CD etc..
Further, a kind of terminal, including memory and processor is also disclosed in the embodiment of the present invention, deposits on the memory
The computer instruction that can be run on the processor is contained, the processor executes above-mentioned when running the computer instruction
Method and technology scheme described in Fig. 2 to Fig. 8 or embodiment illustrated in fig. 9.Specifically, the terminal can be in wlan network
Access point or website.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (22)
1. the matching method of full-duplex communication in a kind of asymmetric band characterized by comprising
One group of trigger frame is sent, one group of trigger frame carries RU and reports instruction information, and the RU reports instruction information and is used for
Indicate each first receiving node for carrying out RU measurement and reporting, one group of trigger frame includes at least one trigger frame；
The measurement report that each first receiving node is sent is received, with the pairing node of full-duplex communication in the asymmetric band of determination.
2. matching method according to claim 1, which is characterized in that one group of trigger frame includes two trigger frames, institute
Stating one group of trigger frame of transmission includes:
Send the first trigger frame；
The PPDU grouping that each second receiving node of the first trigger frame instruction is sent is received, the PPDU grouping is selected from:
Upgoing O FDMAPPDU grouping, uplink MU-MIMO PPDU grouping；
The second trigger frame is sent, first trigger frame or second trigger frame include that the RU reports instruction information.
3. matching method according to claim 1, which is characterized in that one group of trigger frame includes two trigger frames, institute
Stating one group of trigger frame of transmission includes:
Send the first trigger frame；
The second trigger frame is sent, first trigger frame or second trigger frame include that the RU reports instruction information.
4. matching method according to claim 1, which is characterized in that each first receiving node is full duplex node, institute
Stating one group of trigger frame includes a trigger frame, and one group of trigger frame of the transmission includes:
Send includes that the RU reports the trigger frame for indicating information.
5. matching method according to claim 4, which is characterized in that the survey for receiving each first receiving node and sending
Amount is reported
Receive PPDU grouping and measurement report that each first receiving node of the trigger frame instruction is sent, the PPDU grouping
It is selected from: upgoing O FDMAPPDU grouping, uplink MU-MIMO PPDU grouping.
6. matching method according to claim 4, which is characterized in that the survey for receiving each first receiving node and sending
Amount is reported
Receive detection grouping and measurement report that each first receiving node of the trigger frame instruction is sent.
7. matching method according to any one of claims 1 to 6, which is characterized in that receiving each first receiving node
After the measurement report of transmission, further includes:
Acknowledgement frame is sent to each first receiving node.
8. matching method according to any one of claims 1 to 6, which is characterized in that receiving each first receiving node
After the measurement report of transmission, further includes:
Node successful matching information is sent to each pairing node.
9. matching method according to any one of claims 1 to 6, which is characterized in that the measurement report is 1 bit or more
Bit, amount of bits increase with the increase of default line loss threshold quantity.
10. the matching method of full-duplex communication in a kind of asymmetric band characterized by comprising
One group of trigger frame that sending node issues is received, one group of trigger frame carries RU and reports instruction information, and the RU converges
Report instruction information is used to indicate each first receiving node for carrying out RU measurement and reporting；
Instruction information is reported according to the RU and judges whether present node is first receiving node, if it is, executing survey
It measures and sends measurement report to the sending node, so that the sending node determines in asymmetric band according to the measurement report
The pairing node of full-duplex communication.
11. matching method according to claim 10, which is characterized in that one group of trigger frame includes two trigger frames,
It is described receive sending node issue one group of trigger frame include:
Receive the first trigger frame that the sending node issues；
Determine whether the present node is the second receiving node according to first trigger frame, if it is, to the transmission
Node sends PPDU grouping, and the PPDU grouping is selected from: upgoing O FDMA PPDU grouping, uplink MU-MIMO PPDU grouping；
Receive acknowledgement frame and the second trigger frame, first trigger frame or the second trigger frame packet that the sending node is sent
It includes the RU and reports instruction information.
12. matching method according to claim 10, which is characterized in that one group of trigger frame includes two trigger frames,
It is described receive sending node issue one group of trigger frame include:
Receive the first trigger frame that the sending node issues；
Determine whether the present node is the second receiving node according to first trigger frame, if it is, sending detection point
Group；
The second trigger frame that the sending node issues is received, first trigger frame or second trigger frame include the RU
Report instruction information.
13. matching method according to claim 10, which is characterized in that each receiving node is full duplex node, described
One group of trigger frame includes a trigger frame, and one group of trigger frame of the reception includes:
Receive includes that the RU reports the trigger frame for indicating information.
14. matching method according to claim 13, which is characterized in that described to send measurement report to the sending node
Include:
PPDU grouping and measurement report are sent to the sending node, the PPDU grouping is selected from: upgoing O FDMA PPDU grouping,
Uplink MU-MIMO PPDU grouping.
15. matching method according to claim 13, which is characterized in that described to send measurement report to the sending node
Include:
Detection grouping and measurement report are sent to the sending node.
16. matching method according to any one of claims 10 to 15, which is characterized in that sent to the sending node
After measurement report, further includes:
Receive the acknowledgement frame that the sending node is sent.
17. matching method according to any one of claims 10 to 15, which is characterized in that sent to the sending node
After measurement report, further includes:
From the sending node receiving node successful matching information, the node successful matching information is that the present node is true
It is issued when being set to pairing node.
18. matching method according to any one of claims 10 to 15, which is characterized in that the measurement report is 1 bit
Or more bits, amount of bits increase with the increase of default line loss threshold quantity.
19. the contrast means of full-duplex communication in a kind of asymmetric band characterized by comprising
Sending module is suitable for sending one group of trigger frame, and one group of trigger frame carries RU and reports instruction information, and the RU is reported
Indicate that information is used to indicate each first receiving node for carrying out RU measurement and reporting, one group of trigger frame includes at least one
Trigger frame；
Receiving module, the measurement report sent suitable for receiving each first receiving node are logical with full duplex in the asymmetric band of determination
The pairing node of letter.
20. the contrast means of full-duplex communication in a kind of asymmetric band characterized by comprising
Receiving module, the one group of trigger frame issued suitable for receiving sending node, one group of trigger frame carry RU and report instruction
Information, the RU report instruction information and are used to indicate each first receiving node for carrying out RU measurement and reporting；
Judgment module reports instruction information according to the RU and judges whether present node is first receiving node, if so,
Then the judgment module is adapted for carrying out measurement and sends measurement report to the sending node, so that the sending node is according to institute
State the pairing node that measurement report determines full-duplex communication in asymmetric band.
21. a kind of storage medium, is stored thereon with computer instruction, which is characterized in that the computer instruction executes when running
The step of any one of claim 1 to 9 or any one of claim 10 to 18 the method.
22. a kind of terminal, including memory and processor, the meter that can be run on the processor is stored on the memory
Calculation machine instruction, which is characterized in that perform claim requires any one of 1 to 9 or power when the processor runs the computer instruction
Benefit requires the step of any one of 10 to 18 the method.
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