WO2017054166A1

WO2017054166A1 - Spatial multiplexing method and equipment

Info

Publication number: WO2017054166A1
Application number: PCT/CN2015/091209
Authority: WO
Inventors: 丁志明
Original assignee: 华为技术有限公司
Priority date: 2015-09-30
Filing date: 2015-09-30
Publication date: 2017-04-06
Also published as: CN107925882A; CN107925882B

Abstract

The embodiments of the invention comprise a spatial multiplexing method and equipment. The spatial multiplexing method comprises: monitoring, by first equipment, for a physical header of a first message to obtain a transmission type of the first message; and determining, by the first equipment, and according to the transmission type of the first message and a transmission type of a second message to be transmitted by the first equipment, whether to transmit the second message via the first channel while second equipment is transmitting the first message via the first channel. The method disclosed in the embodiment of the invention can increase a spectrum utilization rate of a network.

Description

Spatial multiplexing method and device

Technical field

The present invention relates to communication technologies, and in particular, to a spatial multiplexing method and device.

Background technique

Wireless Local Area Networks (WLAN) is a kind of local area network that uses radio frequency technology for data transmission. The network uses air communication to provide users with a network without network cable restrictions, which makes up for the wired local area network. insufficient.

Common WLANs include Basic Service Set (BSS) and Independent Basic Service Set (IBSS). The BSS is a star-shaped wireless network composed of a wireless access node (Access Point, AP for short) and at least one station (Station, abbreviated as STA); the IBSS is a peer-to-peer wireless network composed of at least two STAs. The above APs and STAs may be collectively referred to as devices. In the prior art, the communication within the network of the foregoing BSS includes: the STA sends a message (uplink message) to the AP, the AP sends a message to the STA (downlink message), one STA sends a message to another STA (direct connection message), and the AP A broadcast message (broadcast message) is sent to all STAs in the network, and the communication within the network of the IBSS includes: directly transmitting the message, and the STA sends a broadcast message (broadcast message) to other STAs in the network.

However, whether it is BSS or IBSS, when communication within the network is implemented, only one device is allowed to transmit messages at a time in the network, and the spectrum utilization rate of the network is low.

Summary of the invention

The embodiment of the present invention provides a spatial multiplexing method and device, which is used to solve the problem that when a BSS or an IBSS communicates within a network, only one device is allowed to transmit a message at a time, resulting in a spectrum utilization rate of the network. Lower technical issues.

In a first aspect, an embodiment of the present invention provides a spatial multiplexing method, including:

The first device acquires a transmission type of the first message by listening to a physical header of the first message, where the transmission type of the first message is an indirect connection message or a direct connection message; the first device sends The second device of the first message belongs to the same network;

Determining, by the first device, whether the second device sends the first message by using the first channel, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device The first channel sends the second message; the transmission type of the second message is an indirect connection message or a direct connection message.

With reference to the first aspect, in a first possible implementation manner of the first aspect, the first device obtains a transmission type of the first message by listening to a physical header of the first message, and specifically includes:

Determining, by the first device, a transmission type of the first message according to a direct transmission indication included in a physical header of the first message, where the direct connection indication is used to indicate a transmission type of the first message .

With reference to the first aspect, or the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the physical header of the first message further includes a part that receives the first message The identifier of the three devices; the method further includes:

Determining, by the first device, whether the first device is different from the third device according to the identifier of the third device;

If yes, the first device determines, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device, whether the second device sends the Transmitting, by the first channel, the second message when the first message is sent;

If not, the first device continues to receive the remainder of the first message.

In conjunction with the first aspect to any one of the second possible implementation manners of the first aspect, in a third possible implementation of the first aspect, the physical header of the first message further includes the foregoing The identifier of the second device; the method further includes:

Determining, by the first device, whether the fourth device that receives the second message is different from the second device according to the identifier of the second device;

If not, the first device determines that the second message is not sent by using the first channel when the second device sends the first message by using the first channel.

In conjunction with the first aspect to any one of the third possible implementation manners of the first aspect, in a fourth possible implementation manner of the first aspect, the first device is configured according to the transmission of the first message And a transmission type of the second message to be sent by the first device, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, specifically include:

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a direct transmission message, the first device determines that the second device sends by using the first channel. Transmitting, by the first channel, the second message when the first message is sent;

or,

If the transmission type of the first message is a direct connection transmission message, and the transmission type of the second message is a direct connection transmission message or a non-direct connection transmission message, the first device determines that the second device passes the Transmitting, by the first channel, the second message by using the first channel when sending the first message;

or,

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a non-direct transmission message, the first device determines that the second device does not pass the first channel. Sending the second message through the first channel when the first message is sent.

With reference to the second possible implementation manner of the first aspect, or the third possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the method further includes:

Determining, by the first device, the historical path loss when the first device listens to the message sent by the third device, according to the neighbor information and the identifier of the third device included in the physical header of the first message; The neighbor information is a correspondence between a historical path loss of the first device listening to a message sent by another device and an identifier of the other device;

Determining, by the first device, whether the second device sends the first message by using the first channel, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device The sending, by the first channel, the second message includes:

The first device is configured according to the transmission type of the first message, the transmission type of the second message to be sent by the first device, and the historical path when the first device listens to the message sent by the third device. Loss, determining whether to send the second message over the first channel when the second device sends the first message over the first channel.

With reference to the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the physical header of the first message further includes a sending duration of the first message; Also includes:

Determining, by the first device, a sending duration of the second message;

The first device is configured according to the transmission type of the first message and the transmission type of the second message to be sent by the first device, and the historical path when the first device listens to the message sent by the third device Determining whether to send the second message by using the first channel when the second device sends the first message by using the first channel, specifically:

When the first device determines that the sending duration of the second message is less than or equal to the remaining sending duration of the first message, the first device is configured according to the transmission type of the first message, and the first device is a transmission type of the sent second message, and a historical path loss when the first device listens to the message sent by the third device, determining whether the first device sends the first channel by using the first channel Transmitting the second message through the first channel when the message is received.

In conjunction with the second possible implementation of the first aspect, or the third possible implementation of the first aspect, in a seventh possible implementation of the first aspect, the method further includes:

Determining, by the first device, the historical path loss when the first device listens to the message sent by the third device, according to the neighbor information and the identifier of the third device included in the physical header of the first message, and The power required by the first device to send the second message; wherein the neighbor information is a correspondence between a historical path loss when the first device listens to a message sent by another device and an identifier of the other device relationship;

Determining, according to the transmission type of the first message, and the transmission type of the second message to be sent by the first device, whether the second device sends the first message by using the first channel And sending the second message by using the first channel, specifically:

The first device is configured to: according to the transmission type of the first message, the transmission type of the second message to be sent by the first device, and the historical path loss when the first device listens to the message sent by the third device, And determining, by the first device, the power required by the second message, whether to send the second channel by using the first channel when the second device sends the first message by using the first channel Message.

With reference to the seventh possible implementation of the first aspect, in an eighth possible implementation manner of the first aspect, the physical header of the first message further includes a sending duration of the first message; Also includes:

Determining, by the first device, a sending duration of the second message;

The first device according to the transmission type of the first message and the first device to be sent a transmission type of the second message, a historical path loss when the first device listens to the message sent by the third device, and a power required by the first device to send the second message, determining whether the first device is in the first And sending, by the second device, the second message by using the first channel when the first device sends the first message by using the first channel, specifically:

When the first device determines that the sending duration of the second message is less than or equal to the remaining sending duration of the first message, the first device is configured according to the transmission type of the first message, and the first device is The transmission type of the second message to be sent, the historical path loss when the first device listens to the message sent by the third device, and the power required by the first device to send the second message, to determine whether And sending, by the second device, the second message by using the first channel when the first message is sent by using the first channel.

In a second aspect, an embodiment of the present invention provides a spatial multiplexing method, where the method includes:

The second device sends a first message, where the physical header of the first message is used to indicate the transmission type of the first message to the first device, so that the first device is configured according to the transmission type and location of the first message. Determining, by the transmission type of the second message to be sent by the first device, whether the second message is sent by using the first channel when the second device sends the first message by using the first channel; The transmission type of the first message is an indirect connection message or a direct connection message, and the transmission type of the second message is an indirect connection message or a direct connection message; the second device belongs to the first device The same network.

With reference to the second aspect, in a first possible implementation manner of the second aspect, the physical header of the first message includes a direct connection transmission indication, and wherein the direct connection transmission indication is used to indicate the first message The type of transmission.

With reference to the second aspect or the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the physical header of the first message further includes at least one of the following:

a network identifier of the second device, an identifier of the second device, an identifier of the third device, and a sending duration of the first message, where the third device is configured to receive the first message. device.

In a third aspect, an embodiment of the present invention provides a device, where the device includes:

An acquiring module, configured to acquire a transmission type of the first message by listening to a physical header of the first message, where the transmission type of the first message is an indirect connection message or a direct connection message; where the acquiring module is located The device belongs to the same network as the second device that sends the first message;

a first determining module, configured to determine whether the second device passes the first channel according to a transmission type of the first message acquired by the acquiring module and a transmission type of the second message to be sent by the device where the acquiring module is to be sent Sending the second message by using the first channel when sending the first message; the transmission type of the second message is an indirect connection message or a direct connection message.

With reference to the third aspect, in a first possible implementation manner of the third aspect, the acquiring module is configured to acquire the first message according to a direct connection indication included in a physical header of the first message. a transmission type; wherein the direct transmission indication is used to indicate a transmission type of the first message.

With reference to the third aspect, or the first possible implementation manner of the third aspect, in a second possible implementation manner of the third aspect, the physical header of the first message further includes a part that receives the first message The identifier of the three devices; the device further includes: a second determining module and a receiving module;

The second determining module is configured to determine, according to the identifier of the third device, whether the device where the acquiring module is located is different from the third device;

The first determining module is further configured to: when the second determining module determines, according to the identifier of the third device, that the device where the acquiring module is different from the third device, according to the obtaining module Determining whether a transmission type of the first message and a transmission type of the second message to be sent by the device where the acquiring module is to be sent are sent by using the first channel when the second device sends the first message by using the first channel And the second determining module, when the second determining module determines that the device where the acquiring module is the same as the third device, according to the identifier of the third device, instructing the receiving module to continue to receive the first The rest of the message.

In a third possible implementation manner of the third aspect, the third aspect of the third aspect, The identification of the two devices;

The second determining module is further configured to determine, according to the identifier of the second device, whether the fourth device that receives the second message is different from the second device;

The first determining module is further configured to: when the second determining module determines, according to the identifier of the second device, that the fourth device is different from the second device, the first acquired according to the acquiring module Determining whether the transmission type of the message and the transmission type of the second message to be sent by the device in which the acquiring module is to be sent are sent by using the first channel when the second device sends the first message by using the first channel a second message, when the second determining module determines that the fourth device is the same as the second device according to the identifier of the second device, determining that the second device does not pass the Sending, by the first channel, the second message by using the first channel when the first channel sends the first message.

With reference to any one of the third aspect to the third possible implementation manner of the third aspect, in a fourth possible implementation manner of the third aspect, the transmission of the first message acquired according to the acquiring module And determining, by the type, the transmission type of the second message to be sent by the device where the module is located, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, where include:

And if the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a direct transmission message, determining, by the second device, sending the first message by using the first channel Transmitting the second message by using the first channel;

or,

If the transmission type of the first message is a direct transmission message, and the transmission type of the second message is a direct connection transmission message or a non-direct connection transmission message, determining that the second device sends by using the first channel Transmitting, by the first channel, the second message when the first message is sent;

or,

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is an indirect connection message, determining that the second device does not send the first channel by using the first channel Transmitting the second message through the first channel when the message is received.

With reference to the second possible implementation manner of the third aspect or the third possible implementation manner of the third aspect, in a fifth possible implementation manner of the third aspect, the device further includes:

a third determining module, configured to determine, according to the neighbor information and the identifier of the third device included in the physical header of the first message, a history of the device where the acquiring module is located to listen to the message sent by the third device a path loss; where the neighbor information is a correspondence between a historical path loss of the device where the acquiring module is located to listen to a message sent by another device, and an identifier of the other device;

The first determining module is configured to determine, according to a transmission type of the first message acquired by the acquiring module, and a transmission type of the second message to be sent by the device where the acquiring module is located, whether the second device passes the Sending the second message by using the first channel when the first message is sent by a channel, specifically:

Determining, according to the transmission type of the first message, the transmission type of the second message, the device where the acquiring module is determined by the third determining module, listening to the message sent by the third device The historical path loss of the time, determining whether the second message is sent through the first channel when the second device sends the first message through the first channel.

With reference to the fifth possible implementation manner of the third aspect, in a sixth possible implementation manner of the third aspect, the physical header of the first message further includes a sending duration of the first message;

The third determining module is further configured to determine a sending duration of the second message;

The first determining module is configured to: according to the transmission type of the first message, the transmission type of the second message, and the device where the acquiring module is determined by the third determining module, listening to the third The historical path loss of the message sent by the device, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, specifically:

When the transmission duration of the second message determined by the third determining module is less than or equal to the remaining transmission duration of the first message, according to the transmission type of the first message, and the transmission type of the second message, And determining, by the device where the acquiring module is located, the historical path loss when the message sent by the third device is used, and determining whether the first device passes the first message when sending the first message by using the first channel. The channel transmits the second message.

With reference to the second possible implementation manner of the third aspect, or the third possible implementation manner of the third aspect, in a seventh possible implementation manner of the third aspect, the device further includes:

a fourth determining module, configured to determine, according to the neighbor information and the identifier of the third device included in the physical header of the first message, a history of the device where the acquiring module is listening to the message sent by the third device The path loss, and the power required by the device where the acquiring module is sent to send the second message; wherein the neighbor information is a historical path loss and a path when the device where the acquiring module is listening to the message sent by the other device Corresponding relationship between the identifiers of other devices;

And the historical path loss when the device where the acquiring module is located monitors the message sent by the third device, according to the transmission type of the first message, the transmission type of the second message, and the device that is determined by the fourth determining module And determining, by the device where the acquiring module is sent, the power required by the second message, to determine whether the first device sends the first message by using the first channel. The track sends the second message.

With reference to the seventh possible implementation of the third aspect, in an eighth possible implementation manner of the third aspect, the physical header of the first message further includes a sending duration of the first message;

The fourth determining module is further configured to determine a sending duration of the second message;

The first determining module is configured to: according to the transmission type of the first message, the transmission type of the second message, and the device where the acquiring module is determined by the fourth determining module, listening to the third The historical path loss when the message is sent by the device, and the power required by the device where the acquiring module is sent to send the second message, determining whether the second device sends the first message through the first channel. Sending, by the first channel, the second message, specifically:

When the transmission duration of the second message determined by the fourth determining module is less than or equal to the remaining transmission duration of the first message, according to the transmission type of the first message, the transmission type of the second message, The historical path loss when the device where the acquiring module is listening to the message sent by the third device, and the power required by the device where the acquiring module is sent to send the second message, determining whether the second device is Transmitting the second message through the first channel when the first message is sent by using the first channel.

In a fourth aspect, an embodiment of the present invention provides a device, where the device includes:

a sending module, configured to send a first message, where a physical header of the first message is used to indicate, to the first device, a transmission type of the first message, so that the first device is configured according to the transmission type of the first message Determining, by the transmission type of the second message to be sent by the first device, whether the second message is sent by using the first channel when the device where the sending module is located sends the first message by using a first channel; The transmission type of the first message is a non-direct connection transmission message or a direct connection transmission message, and the transmission type of the second message is a non-direct connection transmission message or a direct connection transmission message; The first device belongs to the same network.

With reference to the fourth aspect, in a first possible implementation manner of the fourth aspect, the physical header of the first message includes a direct connection transmission indication, and wherein the direct connection transmission indication is used to indicate the first message The type of transmission.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, in a second possible implementation manner of the fourth aspect, the physical header of the first message further includes at least one of the following:

At least one of a network identifier of the device where the sending module is located, an identifier of the device where the sending module is located, an identifier of the third device, or a sending duration of the first message; The third device is a device that receives the first message.

In a fifth aspect, an embodiment of the present invention provides a device, where the device includes: a receiver and a processor;

The receiver is configured to listen to a physical header of the first message;

The processor is configured to acquire, according to a physical header of the first message, a transmission type of the first message, and according to a transmission type of the first message and a second to be sent by a device where the processor is located And determining, by the transmission type of the message, whether the second message is sent by using the first channel when the second device sends the first message by using the first channel; wherein, the transmission type of the first message is non-straight And transmitting a message or a direct connection message; the device where the processor is located belongs to the same network as the second device that sends the first message; and the transmission type of the second message is an indirect connection message or a direct connection transmission Message.

With reference to the fifth aspect, in a first possible implementation manner of the fifth aspect, the processor is configured to acquire the first message according to a direct transmission indication included in a physical header of the first message. a transmission type; wherein the direct transmission indication is used to indicate a transmission type of the first message.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in a second possible implementation manner of the fifth aspect, the physical header of the first message further includes a part that receives the first message The identification of the three devices;

The processor is further configured to determine, according to the identifier of the third device, whether the device where the processor is located is different from the third device; when determining that the device where the processor is located and the third device are not At the same time, determining whether to pass the first message when the second device sends the first message by using the first channel according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor is located. Transmitting, by the first channel, the second message; when it is determined that the device where the processor is located is the same as the third device, instructing the receiver to continue receiving the remaining part of the first message.

With reference to any one of the fifth aspect to the second possible implementation of the fifth aspect, in a third possible implementation manner of the fifth aspect, the physical header of the first message further includes the foregoing The identification of the two devices;

The processor is further configured to determine, according to the identifier of the second device, that the fourth device that receives the second message is different from the second device; when determining that the fourth device and the second device are not Simultaneously, determining whether the second device sends the first message by using the first channel according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor is located Transmitting, by the first channel, the second message; when determining that the fourth device is the same as the second device, determining that the second device does not pass when sending the first message by using the first channel The first channel sends the second message.

With reference to any one of the fifth aspect to the third possible implementation manner of the fifth aspect, in a fourth possible implementation manner of the fifth aspect, Determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, where the device is configured to:

or,

With reference to the second possible implementation manner of the fifth aspect or the third possible implementation manner of the fifth aspect, in a fifth possible implementation manner of the fifth aspect, the processor is further configured to use the neighbor information The identifier of the third device included in the physical header of the first message determines a historical path loss when the device where the processor is located listens to the message sent by the third device; where the neighbor information is Corresponding relationship between the historical path loss of the device where the processor is located to listen to the message sent by the other device and the identifier of the other device;

The processor is configured to determine, according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor is to be sent, whether the second device sends the first channel by using the first channel Sending the second message by using the first channel when a message is:

And determining, according to the historical path loss when the device where the processor is located, the message sent by the third device, and the transmission type of the first message and the transmission type of the second message, And sending, by the first channel, the second message when the second device sends the first message by using a first channel.

With reference to the fifth possible implementation manner of the fifth aspect, in a sixth possible implementation manner of the fifth aspect, the physical header of the first message further includes a sending duration of the first message;

The processor is further configured to determine a sending duration of the second message;

The processor is configured to: according to a historical path loss when the device where the processor is located is listening to a message sent by the third device, and a transmission type of the first message, a transmission type of the second message, Determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, specifically:

When the transmission duration of the second message is less than or equal to the remaining transmission duration of the first message, according to the transmission type of the first message, the transmission type of the second message, and the location of the processor The device monitors the historical path loss when the message sent by the third device, and determines whether the second message is sent by using the first channel when the second device sends the first message by using the first channel.

With reference to the second possible implementation manner of the fifth aspect or the third possible implementation manner of the fifth aspect, in a seventh possible implementation manner of the fifth aspect,

The processor is further configured to determine, according to the neighbor information and the identifier of the third device in the first message, a historical path loss when the device where the processor is located is listening to the message sent by the third device, and The power required by the device where the processor is to send the second message; wherein the neighbor information is a historical path loss when the device where the processor is located listening to a message sent by another device, and an identifier of the other device Correspondence between them;

And a historical path loss when the device where the processor is located is listening to the message sent by the third device, a power required by the device where the processor is located to send the second message, and a transmission of the first message The type, the transmission type of the second message, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel.

With reference to the seventh possible implementation manner of the fifth aspect, in the eighth possible implementation manner of the fifth aspect, the physical header of the first message further includes a sending duration of the first message;

The processor is configured to: according to a historical path loss when the device where the processor is located is listening to a message sent by the third device, a power required by the device where the processor is located to send the second message, and Determining, by the transmission type of the first message, the transmission type of the second message, whether the second message is sent by using the first channel when the second device sends the first message by using a first channel, Specifically:

And when the sending duration of the second message is less than or equal to the remaining sending duration of the first message, according to the transmission type of the first message, the transmission type of the second message, and the device where the processor is located. a historical path loss when the message is sent by the third device, and a power required by the device where the processor is to send the second message, determining whether the second device sends the first channel through the first channel The second message is sent through the first channel when a message is received.

In a sixth aspect, an embodiment of the present invention provides a device, where the device includes: a transmitter;

The transmitter is configured to send a first message, where a physical header of the first message is used to indicate, to the first device, a transmission type of the first message, so that the first device is configured according to the first message Transmitting type and a transmission type of the second message to be sent by the first device, determining whether to send the second message by using the first channel when the device where the sender is located sends the first message by using a first channel The transmission type of the first message is a non-direct connection transmission message or a direct connection transmission message, and the transmission type of the second message is an indirect connection transmission message or a direct connection transmission message; It belongs to the same network as the first device.

With reference to the sixth aspect, in a first possible implementation manner of the sixth aspect, the physical header of the first message includes a direct connection transmission indication, and wherein the direct connection transmission indication is used to indicate the first message The type of transmission.

With reference to the sixth aspect, or the first possible implementation manner of the sixth aspect, in a second possible implementation manner of the sixth aspect, the physical header of the first message further includes at least one of the following:

At least one of a network identifier in which the device in which the transmitter is located, an identifier of the device in which the transmitter is located, an identifier of the third device, or a sending duration of the first message; wherein the third device A device that receives the first message.

The spatial multiplexing method and device provided by the embodiment of the present invention, the first device can obtain the transmission type of the first message by listening to the physical header of the first message being transmitted in the first channel, so that the transmission type of the first message can be And the transmission type of the second message to be sent by itself, determining whether When the second device sends the first message through the first channel, the second message is sent by using the first channel, that is, the spatial multiplexing method and device provided by the embodiment of the present invention do not need to wait until the initial value of the count is reduced to 0. The first channel transmits the first message while transmitting the second message through the first channel, thereby realizing spatial multiplexing within the network and improving the spectrum utilization of the network.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

FIG. 1 is a schematic flowchart diagram of Embodiment 1 of a spatial multiplexing method according to an embodiment of the present disclosure;

2 is a schematic flowchart of Embodiment 4 of a spatial multiplexing method according to an embodiment of the present disclosure;

FIG. 3 is a schematic flowchart of Embodiment 5 of a spatial multiplexing method according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of Embodiment 1 of an apparatus according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of Embodiment 2 of an apparatus according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of Embodiment 3 of a device according to an embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of Embodiment 4 of an apparatus according to an embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of Embodiment 6 of an apparatus according to an embodiment of the present disclosure.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The first device in the embodiment of the present invention may be an AP in the wireless fidelity (WiFi) network or any STA. The second device in the embodiment of the present invention may be an AP in the WiFi network, or may be STA.

The AP involved in the embodiment of the present invention may be an access device (for example, a wireless router) or a hotspot, and the hotspot is a wireless device working in an AP mode (for example, a smart phone). Wait.

The STA involved in the embodiment of the present invention may be a user site, and may be a terminal. The terminal here can be a wireless terminal. The wireless terminal includes a device that provides voice and/or data services to the user. Alternatively, the device can be a handheld device with wireless connectivity, or other processing device connected to the wireless modem. Moreover, the wireless terminal can also communicate with one or more core networks via a radio access network (eg, RAN, Radio Access Network), for example, the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" "Phone" and a computer having a mobile terminal, which may be a portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile device that can interact with the core network for voice and/or data.

At present, whether it is BSS or IBSS, when implementing communication within the network, most of the existing WiFi communication standards are adopted. The network using the WiFi communication standard is collectively referred to as a WiFi network, and the messages transmitted by each device in the WiFi network are called For WiFi messages. The WiFi message includes a physical header and a data portion. When a device in the WiFi network sends a WiFi message through the channel, the physical header of the WiFi message is transmitted in the channel before the data portion.

In order to facilitate the understanding of the method involved in the embodiments of the present invention, the existing WiFi communication standard will be described below.

The existing WiFi communication standard is a time-based and contention-based wireless communication standard, that is, all devices in the network use a competitive mechanism to send WiFi messages, specifically, when a certain device inside the WiFi network needs to send a WiFi message. When sending, if the device is device A, and the WiFi message to be sent by device A is WiFi message 1, device A randomly selects a value as the initial value of the count within the allowed range of values, and monitors the channel in a certain time unit. If the channel is idle (that is, there is no other WiFi message being transmitted in the channel or there is no strong noise (the strong noise refers to the noise of the signal whose intensity is greater than a preset threshold, wherein the preset threshold may be based on A threshold value determined by parameters inside the network. The above strong noise can be, for example, a message sent by using Bluetooth technology, and then device A decrements the initial value by one; if the channel is busy (that is, the channel is transmitting other WiFi messages or exists) Strong noise, assuming that other WiFi messages being transmitted are WiFi messages 2), device A pauses counting until the channel is idle (ie WiFi 2 has completed the transmission of the noise disappears or stronger), the device A will continue counting down, the initial value until the count reaches zero, the device A determines a message transmission WiFi, WiFi and transmitting a message through a channel.

When the device A transmits the WiFi message 1 through the channel, the other device is in the competitive machine. When sending a message, after listening to the WiFi message 1 being transmitted in the channel, the counting will be suspended until the transmission of the WiFi message 1 is completed (that is, after the channel is idle), the other devices will continue to count until the initial value of the count is reduced. After 0, the WiFi message is sent through the channel to ensure that only one WiFi message is transmitted in the channel at a time.

However, when each device in the WiFi network sends a WiFi message by using the above-mentioned competing mechanism, only one WiFi message can be transmitted in the channel at a time, and each device needs to determine the transmission after the initial value of the count is reduced to 0. WiFi messages, although this method can ensure the normal communication within the WiFi network, but the frequency utilization of the WiFi network is low.

Therefore, the spatial multiplexing method and device provided by the embodiments of the present invention can be applied to a BSS and/or an IBSS that communicates by using a WiFi communication standard, that is, a WiFi network, which is used to solve the communication in the network in the prior art. At the time, only one device in the network is allowed to transmit messages at a time, resulting in a technical problem of low spectrum utilization of the network.

The following is a description of the technical solution of the present invention and how the technical solution of the present invention solves the above technical problem by taking a BSS (abbreviation: WiFi network) that communicates by using the WiFi communication standard as an example. The WiFi network may include one AP and multiple STAs. The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be described in some embodiments.

FIG. 1 is a schematic flowchart diagram of Embodiment 1 of a spatial multiplexing method according to an embodiment of the present disclosure. In this embodiment, the first device determines, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device, whether the second device sends the first message when sending the first message through the first channel. The specific process of the second message. As shown in Figure 1, the method includes:

S101: The first device acquires a transmission type of the first message by listening to a physical header of the first message, where the transmission type of the first message is an indirect connection message or a direct connection message; the first device sends the first message The second device belongs to the same network.

Specifically, in the embodiment of the present invention, the first device and the second device may be devices belonging to the same WiFi network, and the second device is in a state in which the first message is being sent by using the first channel, and the first device is in competition. The mechanism monitors the state of the first channel (ie, the first device is in a state ready to send the second message), and the first device may listen to the first message sent by the second device, that is, the signal coverage of the first device in the second device The first message may be a WiFi message, that is, the first message includes a physical header and a data part, and the physical header of the first message is preceded by the data part. Transmission in the first channel. It should be noted that the first channel mentioned herein may be any channel used by the WiFi network in the prior art for communication.

When the first device sends the first message through the first channel, the first device that listens to the first channel can first listen to the physical header of the first message, and then obtain the first message according to the physical header of the first message. Transmission type. In a specific implementation, the first device may obtain the transmission type of the first message by parsing the content of the physical header of the first message, or obtain the transmission type of the first message by parsing the length of the physical header of the first message. The transmission type of the foregoing first message may be an indirect connection message or a direct connection message, where the indirect connection message may be an uplink message transmitted by the STA to the AP or a downlink message transmitted by the AP to the STA or transmitted by the AP to the STA. For the broadcast message, the above direct transmission message may be a message transmitted between two STAs.

S102: The first device determines, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device, whether to send the second message by using the first channel when the second device sends the first message by using the first channel; The transmission type of the second message is an indirect transmission message or a direct transmission message.

Specifically, after the first device acquires the transmission type of the first message according to the physical header of the first message, it may be determined according to the transmission type of the first message and the transmission type of the second message to be sent by the first device. Whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, and when the second message is sent by using the first channel when the second device sends the first message by using the first channel, The device can immediately transmit the second message through the first channel, that is, the first device shares the first channel with the second device to send the message. Optionally, the first device, when the transmission type of the first message is different from the transmission type of the second message, determining that the second message is sent by using the first channel when the second device sends the first message by using the first channel; Optionally, when the transmission type of the first message is the same as the transmission type of the second message, the first device may determine to send the second message by using the first channel when the second device sends the first message by using the first channel.

In the prior art, when the first device is listening to the first message being transmitted in the first channel, the first device pauses counting, and after the first channel is idle, it continues to count down until the initial value of the count is reduced to 0. The second message is transmitted through the first channel, that is, only one WiFi message can be transmitted at a time in the first channel. However, the spatial multiplexing method provided by the embodiment of the present invention does not need to wait until the initial value of the count is reduced. 0, the first message can be transmitted on the first channel, and the second message is transmitted through the first channel, that is, the first message and the second message are simultaneously transmitted through the first channel, and the space inside the network is realized by the foregoing manner. Reuse improves the spectrum utilization of the network.

According to the spatial multiplexing method provided by the embodiment of the present invention, the first device can obtain the transmission type of the first message by listening to the physical header of the first message being transmitted in the first channel, so that the transmission type of the first message and the And determining, by the transmission type of the second message to be sent, whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, that is, the spatial multiplexing method provided by the embodiment of the present invention does not need to wait until When the initial value of the count is reduced to 0, the first message can be transmitted on the first channel, and the second message is transmitted through the first channel, thereby realizing spatial multiplexing inside the network and improving the spectrum utilization rate of the network.

Further, on the basis of the foregoing embodiment, the second embodiment relates to how the first device transmits the first message after the first device acquires the transmission type of the first message by listening to the physical header of the first message. And the specific type of the second message sent by the first channel when the second device sends the first message by using the first channel, which may be classified into the following three situations: :

The first case is: if the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a direct transmission message, the first device determines to pass when the second device sends the first message through the first channel. The first channel transmits a second message.

Specifically, as described above, the first device is the sender of the second message, and the second device is the sender of the first message.

When the transmission type of the first message is a non-directly connected message, that is, the first message may be a downlink message or a broadcast message that is transmitted by the AP to the STA, and may also be an uplink message that the STA transmits to the AP, that is, the first message. a message transmitted between the STA and the AP; if the transmission type of the second message is a direct transmission message, that is, the second message is a message transmitted between the two STAs, and the AP is not involved, then The transmission type of the first message is a non-direct transmission message, and when the transmission type of the second message is a direct transmission message, the first device may determine to send by using the first channel when the second device sends the first message through the first channel. Second message. For example, in a WiFi network, there are STA1, STA2, STA3, and AP, where SAT1 is sending a first message to the AP (the first message is an indirect message), and STA2 can send a second message to STA3 at the same time. (The second message is a direct connection message), that is, two messages can be transmitted simultaneously in the first channel; but in the prior art, in the scenario, only one WiFi channel can be used in the channel of the WiFi network at a time. The message is transmitted. Therefore, the spatial multiplexing method provided by the embodiment of the present invention improves the spectrum utilization rate of the network.

The second case: if the transmission type of the first message is a direct transmission message, the transmission of the second message The type is a direct connection transmission message or a non-direct connection transmission message, and the first device determines to send the second message through the first channel when the second device sends the first message through the first channel.

(1) When the transmission type of the first message is a direct transmission message, that is, the first message is a message transmitted between two STAs, if the transmission type of the second message is a direct transmission message, that is, The second message is also a message transmitted between the two STAs, but the STAs involved in the first message and the second message may be different, so the first device may determine that the second device sends the first message through the first channel. The second message is sent over the first channel. For example, in a WiFi network, there are STA1, STA2, STA3, STA4, and AP, where SAT1 is sending a first message to STA2 (the first message is a direct connection message), and then STA3 can send a second message to STA4 at the same time. The message (the second message is a direct connection message), that is, two messages can be transmitted simultaneously in the first channel; but in the prior art, in the scenario, only one channel in the channel of the WiFi network can be used at a time. The WiFi message is transmitted. Therefore, the spatial multiplexing method provided by the embodiment of the present invention improves the spectrum utilization rate of the network.

(2) When the transmission type of the first message is a direct transmission message, that is, the first message is a message transmitted between two STAs, the AP is not involved, and if the transmission type of the second message is non-direct transmission The message, that is, the second message is a message transmitted between the STA and the AP, when the transmission type of the first message is a direct transmission message, and the transmission type of the second message is a non-direct transmission message, the first device can determine And transmitting, by the first channel, the second message when the second device sends the first message by using the first channel. For example, in a WiFi network, there are STA1, STA2, STA3, and AP, where SAT1 is sending a first message to STA2 (the first message is a direct connection message), and then STA3 can simultaneously send a second message to the AP ( The second message is an indirect connection message, that is, two messages can be transmitted simultaneously in the first channel; but in the prior art, in the scenario, only one WiFi channel can be in the channel of the WiFi network at a time. The message is transmitted. Therefore, the spatial multiplexing method provided by the embodiment of the present invention improves the spectrum utilization rate of the network.

The third case: if the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a non-direct transmission message, the first device determines that the second device does not send the first message through the first channel. The second message is sent over the first channel.

Specifically, as mentioned above, the first device is the sender of the second message, and the second device is the first device. The sender of the message.

When the transmission type of the first message is a non-directly connected message, that is, the first message may be a downlink message or a broadcast message that is transmitted by the AP to the STA, and may also be an uplink message that the STA transmits to the AP, that is, the first message. The message transmitted between the STA and the AP; if the transmission type of the second message is also an indirect connection message, that is, the second message is also a message transmitted between the STA and the AP, because the AP cannot simultaneously When the transmission and reception of the message is performed, when the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is also a non-direct transmission message, the first device may determine that the second device does not send the first channel through the first channel. When a message is sent, the second message is sent through the first channel, and the method of sending a message in the existing WiFi network (competing mechanism) is used to send the second message.

In the spatial multiplexing method provided by the embodiment of the present invention, the first device can obtain the transmission type of the first message by listening to the physical header of the first message being transmitted in the first channel, so that the transmission type of the first message is non- Directly transmitting a message, the transmission type of the second message is a direct connection transmission message, or the transmission type of the first message is a direct connection transmission message, and when the transmission type of the second message is a direct connection transmission message or an indirect connection transmission message, Determining that the second message is sent by using the first channel when the second device sends the first message by using the first channel, that is, the spatial multiplexing method provided by the embodiment of the present invention does not need to wait until the initial value of the count is reduced to 0. While transmitting the first message on one channel, the second message is transmitted through the first channel, realizing spatial multiplexing inside the network, and improving spectrum utilization of the network.

Further, as described in the foregoing embodiment, the first device may obtain the transmission type of the first message by parsing the content of the physical header of the first message, or obtain the first message by parsing the length of the physical header of the first message. Transmission type. On the basis of the foregoing embodiment 2, the third embodiment of the present invention relates to a specific process for the first device to obtain the transmission type of the first message by parsing the content of the physical header of the first message. The foregoing S101 specifically includes: the first device acquiring the transmission type of the first message according to the direct connection transmission indication included in the physical header of the first message; wherein the direct connection transmission indication is used to indicate the transmission type of the first message.

Specifically, the direct transmission indication may be composed of one or more bits. In a specific implementation, in order to reduce the overhead of the physical header of the first message, high-efficiency signaling (High Efficient Signal) may be performed on the physical header of the first message. The short-term transmission indication is set in the abbreviated as follows: the value of the one-bit number may be 0 or 1, where 0 corresponds to an indirect connection message and 1 corresponds to a direct connection message; or 1 corresponds to a non-direct connection message, and 0 corresponds to a direct connection message. It should be noted that the direct connection transmission indication may also be set at other locations of the physical header of the first message.

After the first device listens to the physical header of the first message, the physical header of the first message may be parsed to obtain a direct transmission indication included in the physical header of the first message, and then determined by the direct transmission indication. The transmission type of the first message, so that the first device can determine whether the second device sends the first message through the first channel according to the transmission type of the first message and the transmission type of the second message to be sent by the first device. A second message is sent on one channel.

FIG. 2 is a schematic flowchart diagram of Embodiment 4 of a spatial multiplexing method according to an embodiment of the present invention. On the basis of any of the foregoing embodiments, the physical header of the first message may further include an identifier of the third device that receives the first message. In this embodiment, the physical header of the first message may include a direct connection indication, The network identifier where the second device is located and the identifier of the third device that receives the first message. The embodiment is related to the identifier of the network where the second device is located in the physical header of the first message, the identifier of the third device, the transmission type of the first message, and the second message to be sent by the first device. The transmission type determines whether the second message is sent by the first channel when the second device sends the first message through the first channel, where the first device is the sender of the second message, and the second device is the first message The sender, the third device is the receiver of the first message. As shown in Figure 2, the method includes:

S201: The first device acquires a direct connection transmission indication, a network identifier where the second device is located, and an identifier of the third device by listening to the physical header of the first message.

Specifically, the network identifier of the second device may be set in the HE-SIG of the physical header of the first message, or may be set in another location of the physical header of the first message, where the network identifier of the second device may be The short identifier of the network where the second device is located, and the network short identifier of the second device may be a short identifier of the AP.

The identifier of the third device may be set in the HE-SIG of the physical header of the first message, or may be set in another location of the physical header of the first message, where the identifier of the third device may be the short identifier of the third device. .

For the location description of the direct connection indication in the physical header of the first message, refer to the foregoing embodiment 3, and details are not described herein again.

In the prior art, the physical header of the first message may further include an uplink and downlink transmission indication, where the uplink and downlink transmission indication is used to be a message transmitted between the STA and the AP when the first message is a non-directly connected transmission message. And, for further indicating that the first message is an uplink message that the STA transmits to the AP, It is a downlink message or a broadcast message transmitted by the AP to the STA. It should be noted that, regardless of whether the first message is a non-direct transmission message or a direct connection transmission message, the network identifier of the second device is an identifier of the AP, and when the first message is an indirect transmission message of the uplink transmission, The identifier of the third device is also the identifier of the AP. Therefore, when the first message is an indirect transmission message of the uplink transmission, the network identifier of the second device is the same as the identifier of the third device.

In order to save the overhead of the physical header of the first message, in S201, optionally, when the physical header of the first message includes an uplink and downlink transmission indication, and the uplink and downlink transmission indication indicates that the first message is an uplink message, If the physical identifier of the first message includes the network identifier of the second device, the identifier of the third device may not be included, so that when the first device obtains the physical header of the first message, the first device may be configured according to the first The network identifier of the second device carried in the physical header of the message and the uplink and downlink transmission indication determine the identifier of the third device. Optionally, in the same scenario, if the physical header of the first message includes the identifier of the third device, the network identifier of the second device may not be included, so that when the first device obtains the first The network identifier of the second device may be determined according to the identifier of the third device and the uplink and downlink transmission indication carried in the physical header of the first message.

S202: The first device acquires a transmission type of the first message according to the direct connection transmission indication.

For the specific implementation process of the S202, refer to the description of the foregoing Embodiment 3, and details are not described herein again.

S203: The first device determines, according to the network identifier of the second device, whether the first device and the second device belong to the same network. If yes, execute S204; if no, the process ends.

Specifically, after the first device obtains the network identifier of the second device from the physical header of the first message, the first device may use the network identifier of the second device that is stored by the first device and the network where the second device is located. The identity determines whether it belongs to the same network as the second device. Optionally, whether the first device and the second device belong to the same network are determined by determining whether the network identifier of the first device and the network identifier of the second device are the same.

S204: The first device determines, according to the identifier of the third device, whether the first device is different from the third device. If yes, execute S205; if no, execute S208.

Specifically, after the first device acquires the identifier of the third device from the physical header of the first message, the first device may determine, according to the identifier of the third device that is stored by itself and the identifier of the third device that is obtained, Whether the three devices are different, that is, whether the first device is the receiver of the first message. When the first device determines that the first device is the same as the third device according to the identifier of the third device, that is, the first device is the third device, that is, the first device is the receiver of the first message, then S208 is performed. When the first device determines that the first device is different from the third device according to the identifier of the third device, that is, the first device is not the third device, that is, the first device is not the receiver of the first message, Execute S205. Optionally, whether the first device and the third device are different may be determined by determining whether the identifier of the first device and the identifier of the third device are the same.

It should be noted that the foregoing S202, S203, and S204 may be performed in no particular order.

S205: The first device determines, according to the neighbor information and the identifier of the third device included in the physical header of the first message, the historical path loss when the first device listens to the message sent by the third device, where the neighbor information is the first device listening for the other device. Correspondence between the historical path loss of the message sent by the device and the identity of other devices.

Specifically, when the first device determines that the third device is different from the third device, that is, the first device determines that the user is not the receiver of the first message, the first device may obtain the identifier of the third device in the neighbor information stored by the first device. Finding the historical path loss when the first device listens to the message sent by the third device, that is, the degree of attenuation of the signal strength of the message.

It should be noted that the neighbor information stored by the first device includes a historical path loss when the message sent by the multiple devices monitored by the first device and a corresponding relationship between the identifiers of the multiple devices.

S206: The first device determines, according to the transmission type of the first message, the transmission type of the second message to be sent by the first device, and the historical path loss when the first device listens to the message sent by the third device, whether the second device is in the second device. The second message is sent through the first channel when the first message is sent through the first channel.

Optionally, the first mode: the first device may determine, according to the transmission type of the first message, the transmission type of the second message to be sent by the first device, whether the second device sends the first message through the first channel. The first channel sends the second message, and when determining to send the second message, further determines, according to the historical path loss when the first device listens to the message sent by the third device, that the previously determined “sends by the second device by using the first channel. Whether the result of transmitting the second message through the first channel in the first message is accurate, and if accurate, the first device determines to send the second message.

Optionally, the second mode: the first device may further determine, according to the historical path loss when the first device listens to the message sent by the third device, whether the second device sends the first message by using the first channel. And transmitting, by the first channel, the second message, and after determining to send the second message, further determining, according to the transmission type of the first message and the transmission type of the second message, that “the second device sends the first channel through the first channel. Whether the result of transmitting the second message through the first channel in one message is accurate, and if accurate, the first device determines to send the second message.

The following specific explanation is directed to the second implementation described above, specifically:

In this embodiment, the first device may be a device with a fixed transmit power, that is, the transmit power of the second device sent by the first device is a fixed power.

After the first device determines the historical path loss when the first device listens to the message sent by the third device, the first device may use the sending power of the second message sent by the first device, and the first device listens to the message sent by the third device. The historical path loss, determining whether the received power when the third device monitors the second message is greater than or equal to a preset threshold, and determining, according to the determined result, whether the first device passes the first channel when sending the first message through the first channel Send the second message, specifically:

The first device may reduce the transmission power of the second message sent by the third device by the historical path loss when the first device listens to the message sent by the third device, and obtain the received power when the third device listens to the second message, if obtained. When the received power of the third device is greater than or equal to the preset threshold, the first device uses the fixed transmit power to send the second message, and the third device listens to the second message sent by the first device. The path loss is small, that is, the signal strength of the second message may be stronger for the third device, that is, the sending of the first device may affect the third device to receive the first message, and therefore, in the third When the receiving power of the second message is greater than or equal to the preset threshold, the device determines to not send the second message through the first channel when the second device sends the first message through the first channel, and ends the process; The threshold can be determined according to parameters inside the network where the first device is located.

If the received power of the third device is less than the preset threshold, the first device sends the second message by using the fixed transmit power, and the third device monitors the second message sent by the first device. The path loss is large, that is, for the third device, the signal strength of the second message is relatively weak, that is, the transmission of the first device does not affect the third device to receive the first message, and therefore, the third device When the received power of the second message is less than the preset threshold, the first device determines that the second message is sent by using the first channel when the second device sends the first message by using the first channel, and further, the first device may Determining, according to the transmission type of the first message and the transmission type of the second message, that "the second device passes the first message when sending the first message through the first channel. Whether the result of the first channel transmitting the second message is accurate, and the first device determines, according to the transmission type of the first message and the transmission type of the second message, that the second device passes the first channel when sending the first message through the first channel. When the second message is sent, it is determined that the result of “sending the second message through the first channel when the second device sends the first message through the first channel” is determined, and the first device determines to send the second message, thereby performing S207.

S207: The first device sends a second message.

Specifically, when the first device determines that the second message is sent by using the first channel when the second device sends the first message by using the first channel, the second message may be transmitted in the first channel while the first message is transmitted. Instead of waiting until the count initial value is reduced to zero, the spectrum utilization of the network is increased. After the execution of the above S207, the process ends.

After the execution of the above S207, the process ends.

S208: The first device continues to receive the remaining portion of the first message.

Specifically, when the first device determines, according to the identifier of the third device, that the first device is the receiver of the first message, the first device stops performing spatial multiplexing, and continues to receive the remaining portion of the first message. After the above S208 is completed, it ends.

The spatial multiplexing method provided by the embodiment of the present invention, by setting a direct connection transmission indication and an identifier of the third device in the physical header of the first message, so that the first device is listening to the physicality of the first message being transmitted in the first channel. The first device determines whether the first device is the receiver of the first message by using the third device identifier in the physical header of the first message, and further passes the first when the first device is not the receiver of the first message. The transmission type of the message, the transmission type of the second message, and the historical path loss when the first device listens to the message sent by the third device, and determines whether the second device can send the first message through the first channel when the first device sends the first message through the first channel. Two messages. Therefore, the spatial multiplexing method provided by the embodiment of the present invention improves the success rate of spatial multiplexing within the network on the basis of realizing spatial multiplexing within the network.

Optionally, on the basis of the foregoing Embodiment 4, before the foregoing S206, the method may further include the following steps: the first device determines, according to the identifier of the third device, whether the fourth device is different from the third device, that is, determining the second Whether the receiver of the message is the receiver of the first message; wherein the first device is the sender of the second message, the fourth device is the receiver of the second message, the second device is the sender of the first message, and the third The device is the receiver of the first message.

Specifically, when the first device acquires the identifier of the third device from the physical header of the first message The first device may determine whether the fourth device is different from the third device according to the identifier of the fourth device that is stored by the device and the identifier of the third device that is obtained, that is, whether the receiver of the second message is the first message. receiver. When the first device determines that the fourth device is the same as the third device according to the identifier of the third device, the fourth device is the third device, that is, the receiver of the second message is the same device as the receiver of the first message, That is to say, the third device is both the receiver of the first message and the receiver of the second message. Therefore, when the fourth device is the same as the third device, the first device stops performing spatial multiplexing, and ends the process; when the first device determines, according to the identifier of the third device, the fourth device is different from the third device, and the first device is When the third device is different, that is, the receiver of the second message is not the receiver of the first message, and the sender of the second message is not the receiver of the first message, then S206 is performed. In this embodiment, when the first device is not the receiver of the first message, and the fourth device is not the receiver of the first message, the first device performs spatial multiplexing further, thereby further improving the spatial multiplexing within the network. The success rate used increases the probability that the second message will be sent successfully.

Optionally, on the basis of the foregoing Embodiment 4, the physical header of the first message may further include an identifier of the second device that sends the first message, where the identifier of the second device may be a short identifier of the second device. The identifier of the second device may be set in the HE-SIG of the physical header of the first message, or may be set in other locations of the physical header of the first message. Before the foregoing S206, the method may further include the following steps: Determining, according to the identifier of the second device, whether the fourth device that receives the second message is different from the second device, that is, determining whether the receiver of the second message is the sender of the first message; if yes, executing S206, if not , then the process ends. The first device is the sender of the second message, the fourth device is the receiver of the second message, the second device is the sender of the first message, and the third device is the receiver of the first message.

Specifically, after the first device acquires the identifier of the second device from the physical header of the first message, the first device may determine, according to the identifier of the fourth device that is stored by the first device and the identifier of the second device that is obtained. Whether the four devices are different from the second device, that is, whether the receiver of the second message is the sender of the first message. When the first device determines that the fourth device is the same as the second device according to the identifier of the second device, the fourth device is the second device, that is, the receiver of the second message is the same device as the sender of the first message, When the fourth device is the same as the second device, the first device stops performing spatial multiplexing, and ends the process; when the first device determines that the fourth device is different from the second device according to the identifier of the second device, the second message is If the recipient is not the sender of the first message, then S206 is performed. In this embodiment, when the fourth device is not the sender of the first message, the first device is The spatial multiplexing is further performed, which further improves the success rate of spatial multiplexing within the network, that is, increases the probability of successful second message transmission.

In the prior art, the physical header of the first message may further include an uplink and downlink transmission indication, where the uplink and downlink transmission indication is used to be a message transmitted between the STA and the AP when the first message is a non-directly connected transmission message. The uplink message or the broadcast message used for further transmitting the AP to the STA is further used to indicate whether the first message is an uplink message transmitted by the STA to the AP. It should be noted that, regardless of whether the first message is a non-direct transmission message or a direct connection transmission message, the network identifier of the second device is an identifier of the AP, and when the first message is a downlink transmission non-directly connected transmission message, The identifier of the second device is also the identifier of the AP. Therefore, when the first message is a downlink transmission non-direct transmission message, the network identifier of the second device is the same as the identifier of the second device.

In order to save the overhead of the physical header of the first message, in this embodiment, optionally, when the physical header of the first message includes an uplink and downlink transmission indication, and the uplink and downlink transmission indication indicates that the first message is a downlink message. If the physical identifier of the first message includes the network identifier of the second device, the identifier of the second device may not be included, so that when the first device acquires the physical header of the first message, The network identifier of the second device carried in the physical header of the first message and the uplink and downlink transmission indication determine the identifier of the second device. Optionally, in the same scenario, if the physical header of the first message includes the identifier of the second device, the network identifier of the second device may not be included, so that when the first device obtains the first The network identifier of the second device may be determined according to the identifier of the second device and the uplink and downlink transmission indication carried in the physical header of the first message.

Optionally, the physical header of the first message may further include a sending duration of the first message, where the sending duration of the first message is used to indicate that the first message is required to be transmitted in the channel. time. In a specific implementation, the sending duration of the first message may be set in the HE-SIG of the physical header of the first message, or may be set in other locations of the physical header of the first message. Optionally, the physical header of the first message may further include a number of bytes of the first message and a transmission rate of the first message, so that the first device may be based on the first message after listening to the physical header of the first message. The number of bytes of the first message included in the physical header and the transmission rate of the first message determine the transmission duration of the first message. Optionally, the physical header of the first message may further include other identifiers for indicating the sending duration of the first message, which is not repeatedly described in this embodiment of the present invention. In this embodiment, the sending time of the first message in the physical header of the first message is taken as an example, and before the foregoing S206, the method may further include The following steps are performed: the first device determines whether the sending duration of the second message is less than or equal to the remaining sending duration of the first message.

Specifically, the first device may determine the remaining sending duration of the first message according to the time, the current time, and the sent duration of the obtained first message that the first preamble of the physical header of the first message is monitored. When the first device determines that the sending duration of the second message is less than or equal to the remaining sending duration of the first message, the second message may be transmitted before the first channel is transmitted on the first channel, and then S206 is performed. When the first device determines that the transmission duration of the second message is greater than the remaining transmission duration of the first message, it indicates that the second message cannot be transmitted before the first message is transmitted, and then ends.

In this embodiment, when the second message can be transmitted before the first message is transmitted on the first channel, the first device performs spatial multiplexing further, thereby further improving the success rate of spatial multiplexing within the network, that is, improving The probability that the second message is sent successfully.

FIG. 3 is a schematic flowchart of Embodiment 5 of a spatial multiplexing method according to an embodiment of the present disclosure. Different from the embodiment shown in FIG. 2, the transmission power of the first device in the embodiment shown in FIG. 2 is a fixed power, but in the embodiment, the transmission power of the first device is adjustable. The embodiment is related to the neighboring information, the identifier of the network where the second device is located in the physical header of the first message, the identifier of the third device, and the transmission type of the first message, and the first device is to be sent. The transmission type of the second message determines whether a specific process of transmitting the second message through the first channel when the second device sends the first message through the first channel. The method in this embodiment greatly improves the success rate of spatial multiplexing in the same network, that is, the probability of successful second message transmission is greatly improved. As shown in FIG. 3, the method includes:

S301: The first device acquires a direct connection transmission indication, a network identifier where the second device is located, and an identifier of the third device by listening to the physical header of the first message.

S302: The first device acquires a transmission type of the first message according to the direct connection transmission indication.

S303: The first device determines, according to the network identifier of the second device, whether the first device and the second device belong to the same network. If yes, execute S304; if no, end the process.

S304: The first device determines, according to the identifier of the third device, whether the first device is different from the third device. If yes, execute S305; if no, execute S308.

Specifically, for the specific implementation process of the foregoing S301-S304, refer to the description of S201-S204 shown in FIG. 2 above, and details are not described herein again.

S305: The first device is configured according to the neighbor information and the third device included in the physical header of the first message. The identifier determines a historical path loss when the first device listens to the message sent by the third device, and the power required by the first device to send the second message, where the neighbor information is a historical path when the first device listens to the message sent by the other device. Correspondence between loss and identification of other devices.

Specifically, in this embodiment, when the sending power of the first device is adjustable, when the first device needs to send the second message, the first device may monitor the history of the message sent by the fourth device according to the first device. The path loss determines the power required by the first device to send the second message, so that the fourth device can receive the second message. For example, how the first device determines the power required for the first device to send the second message according to the historical path loss when the first device monitors the message sent by the fourth device is used in the prior art, and is not described in the embodiment of the present invention. .

For the description of the “historical path loss when the first device monitors the message sent by the third device by the first device according to the neighbor information and the identifier of the third device included in the physical header of the first message”, refer to S205 in the foregoing fifth embodiment. The description is not repeated here.

S306: The first device sends, according to the transmission type of the first message, the transmission type of the second message to be sent by the first device, the historical path loss when the first device listens to the message sent by the third device, and the second device sends the second The power required by the message determines whether the second message is sent through the first channel when the second device sends the first message through the first channel.

Optionally, the first mode: the first device may determine, according to the transmission type of the first message, the transmission type of the second message to be sent by the first device, whether the second device sends the first message through the first channel. The first channel sends the second message, and when determining to send the second message, further determines the previous path according to the historical path loss when the first device listens to the message sent by the third device and the power required by the first device to send the second message. The determined result of "sending the second message through the first channel when the second device transmits the first message through the first channel" is accurate, and if accurate, the first device determines to send the second message.

Optionally, the second mode: the first device may further determine, according to the historical path loss when the first device listens to the message sent by the third device, and the power required by the first device to send the second message, whether the device passes the second device. Transmitting, by the first channel, the second message by using the first channel, and after determining to send the second message, determining, according to the transmission type of the first message and the transmission type of the second message, the previously determined “in the second Whether the result of transmitting the second message through the first channel when the device sends the first message through the first channel is accurate, and if accurate, the first device determines to send the second message.

After the first device determines the historical path loss when the first device listens to the message sent by the third device, the first device may monitor the third device according to the power required to send the second message determined in the foregoing S305. The historical path loss of the sent message, determining whether the received power when the third device listens to the second message is greater than or equal to a preset threshold, and determining whether to send the second message according to the determined result, specifically:

The foregoing first device may subtract the historical path loss when the third device listens for the second message, according to the power required to send the second message determined in the foregoing S305, and the historical path loss when the first device listens to the message sent by the third device. Receive power, if the received power of the obtained third device listening to the second message is greater than or equal to a preset threshold, it is indicated that the first device sends the second power using the power required to send the second message determined in the foregoing S305. The signal loss of the third device when the third device listens to the second message is small, that is, the signal strength of the second message may be stronger for the third device, that is, the sending of the first device may affect the third device. Receiving the first message, and therefore, when the received power when the third device listens to the second message is greater than or equal to a preset threshold, determining to not send the first channel when the second device sends the first message through the first channel The second message ends the process; wherein the preset threshold may be determined according to parameters inside the network where the first device is located.

If the received power of the obtained third device is less than the preset threshold, the first device sends the second message by using the power required to send the second message determined in the foregoing S305. The path loss when the second message sent by the first device is monitored is large, that is, the signal strength of the second message is weak to the third device, that is, the sending of the first device does not affect the receiving of the third device. a message, therefore, when the received power when the third device listens to the second message is less than a preset threshold, the first device determines to send the second channel by using the first channel when the second device sends the first message by using the first channel. a message, the first device may further determine, according to the transmission type of the first message and the transmission type of the second message, that the second device sends the second message through the first channel when the second device sends the first message by using the first channel. Whether the result of the message is accurate, when the first device determines to transmit on the second device according to the transmission type of the first message and the transmission type of the second message. When the first message is sent through the first channel, the first device is determined to be accurate when the second message is sent through the first channel when the second device sends the first message through the first channel. It is determined that the second message is transmitted, thereby executing S307.

S307: The first device sends the second message.

After the above S307 is completed, it ends.

S308: The first device continues to receive the remaining portion of the first message.

After the above S308 is completed, it ends.

The spatial multiplexing method provided by the embodiment of the present invention, by setting the transmission power of the first device to be adjustable, enables the first device to adjust the transmission second according to the historical path loss when the first device listens to the message sent by the fourth device. The sending power of the message, when it is determined that sending the second message using the power required to send the second message does not affect the reception of the first message of the third device, determining that the second device transmits the first message through the first channel A second message is sent on one channel. Therefore, the spatial multiplexing method provided by the embodiment of the present invention increases the transmission power of the first device to be adjustable, so that the opportunity for the first device to send the second message is increased, thereby further improving the success rate of spatial multiplexing within the network. That increases the probability that the second message will be sent successfully.

Optionally, on the basis of the foregoing Embodiment 5, the physical header of the first message may further include a sending duration of the first message, and before the foregoing S306, the method may further include the following steps: the first device determines the second message. Whether the transmission duration is less than or equal to the remaining transmission duration of the first message.

Specifically, when the first device determines that the sending duration of the second message is less than or equal to the remaining sending duration of the first message, the second message may be transmitted before the first channel is transmitted on the first channel, and then S306 is performed. When the first device determines that the transmission duration of the second message is greater than the remaining transmission duration of the first message, it indicates that the second message cannot be transmitted before the first message is transmitted, and then ends.

The sixth embodiment of the present invention provides a spatial multiplexing method, where the main body of the method is a second device, where the embodiment involves a specific process for the second device to send the first message. The method includes: the second device sends a first message, where the physical header of the first message is used to indicate the transmission type of the first message to the first device, so that the first device is to be sent according to the transmission type of the first message and the first device. The transmission type of the second message determines whether the second message is sent by the first channel when the second device sends the first message by using the first channel; wherein the transmission type of the first message is an indirect connection message or a direct connection message The transmission type of the second message is an indirect connection message or a direct connection message; the second device belongs to the same network as the first device.

Specifically, in the embodiment of the present invention, the first device and the second device may be devices belonging to the same WiFi network, and the second device is in a state in which the first message is being sent by using the first channel, first The device is in a state of listening to the first channel by using a contending mechanism (that is, the first device is in a state ready to send the second message), where the first device can listen to the first message sent by the second device, that is, the first device Within the signal coverage of the second device. The first message may be a WiFi message, that is, the first message includes a physical header and a data part, and the physical header of the first message is transmitted in the first channel before the data part. It should be noted that the first channel mentioned herein may be any channel used by the WiFi network in the prior art for communication.

When the second device sends the first message through the first channel, the first device may indicate the transmission type of the first message by using the physical header of the first message. In specific implementation, the second device may use the physical header of the first message. Set to a different length, so that when the second device sends the first message, after the first device listens to the physical header of the first message, the first device may be based on the physical header length of the first message and the transmission type of the first message. Corresponding relationship, determining a transmission type of the first message; the second device may further set a transmission type of the first message in a physical header of the first message, so that when the second device sends the first message, the first device is listening After the physical header of the first message, the transmission type of the first message is determined according to the transmission type of the first message set in the physical header of the first message, so that the first device can be based on the transmission type of the first message. Determining, by the first device, a transmission type of the second message to be sent, whether to send the second message through the first channel when the second device sends the first message by using the first channel Information. Optionally, the first device, when the transmission type of the first message is different from the transmission type of the second message, determining that the second message is sent by using the first channel when the second device sends the first message by using the first channel; Optionally, when the transmission type of the first message is the same as the transmission type of the second message, the first device may determine to send the second message by using the first channel when the second device sends the first message by using the first channel. The transmission type of the first message and the transmission type of the second message may be an indirect connection message or a direct connection message, where the indirect connection message may be an uplink message that the STA transmits to the AP, and the AP transmits the message to the STA. The downlink message or the broadcast message transmitted by the AP to the STA, where the direct connection transmission message may be a message transmitted between two STAs.

According to the spatial multiplexing method provided by the embodiment of the present invention, the second device indicates, by using the physical header of the first message, the transmission type of the first message to the first device, so that after the first device that listens to the first channel listens to the first message, The transmission type of the first message may be obtained according to the physical header of the first message, so that whether the second device sends the first message through the first channel may be determined according to the transmission type of the first message and the transmission type of the second message to be sent by the second message. When the message is sent, the second message is sent through the first channel, that is, the spatial multiplexing method provided by the embodiment of the present invention does not need to wait until the initial value of the count is reduced to 0. The second message is transmitted through the first channel while the first message is transmitted on the first channel, and spatial multiplexing within the network is realized, thereby improving the spectrum utilization rate of the network.

Further, on the basis of the foregoing embodiment, the physical header of the first message may include a direct connection transmission indication; wherein the direct connection transmission indication is used to indicate a transmission type of the first message.

Specifically, the directly connected transmission indication may be composed of one or more bits. In specific implementation, in order to reduce the overhead of the physical header of the first message, a number of bits may be set in the HE-SIG of the physical header of the first message. As the direct connection indication, the value of the one bit may be 0 or 1, where 0 corresponds to a non-direct transmission message, 1 corresponds to a direct transmission message; or 1 corresponds to a non-direct transmission message, and 0 corresponds to a straight Even transfer messages. It should be noted that the direct connection transmission indication may also be set at other locations of the physical header of the first message.

When the second device sends the first message, the second device may carry the direct connection transmission indication in the physical header of the sent first message, so that after the first device listens to the physical header of the first message, the second device may The direct transmission indication carried in the header determines the transmission type of the first message, so that the first device can determine whether the second device passes the first channel according to the transmission type of the first message and the known transmission type of the second message. When the first message is sent, the second message is sent by using the first channel, and the determining process may be referred to the descriptions of the second embodiment and the third embodiment of the first device, and details are not described herein.

Further, based on the foregoing embodiment, the physical header of the first message may further include at least one of the following: a network identifier where the second device is located, an identifier of the second device, an identifier of the third device, or the first message. At least one of the transmission durations; wherein the third device is a device that receives the first message.

Specifically, the network identifier of the second device may be a short identifier of the network identifier where the second device is located, and the identifier of the third device is a short identifier of the third device, and the identifier of the second device may be short for the second device. Logo. In a specific implementation, the network identifier of the second device, the short identifier of the third device, the short identifier of the second device, or the sending duration of the first message may be set in the HE-SIG of the physical header of the first message, or may be Set the other location of the physical header of the first message. In this way, when the second device sends the first message, the first device that listens to the first message may be configured to determine, according to the physical header of the first message, whether to pass the first channel when the second device sends the first message by using the first channel. For the specific determination process, refer to the description of the method embodiment on the first device side, and details are not described herein again.

In the prior art, the physical header of the first message may further include an uplink and downlink transmission indication, where the uplink and downlink transmission indication is used to be a message transmitted between the STA and the AP when the first message is a non-directly connected transmission message. The uplink message or the broadcast message used for further transmitting the AP to the STA is further used to indicate whether the first message is an uplink message transmitted by the STA to the AP. It should be noted that, regardless of whether the first message is an indirect connection message or a direct connection message, the network identifier of the second device is the identifier of the AP.

The first case: when the first message is an indirect transmission message of the uplink transmission, the identifier of the third device is also the identifier of the AP. Therefore, when the first message is an indirect transmission message that is transmitted in the uplink, the network identifier of the second device is the same as the identifier of the third device, and the physical header of the first message is included in the foregoing. When the identifier of the network identifier of the third device and the second device is used, in order to save the overhead of the physical header of the first message, optionally, when the physical header of the first message includes the uplink and downlink transmission indication, and the uplink and downlink When the transmission indication indicates that the first message is an uplink message, the physical header of the first message may include any one of an identifier of the third device and a network identifier where the second device is located, specifically:

(1) If the physical header of the first message includes the identifier of the third device, the network identifier of the second device may not be included, so that when the second device sends the first message, the first device may be monitored. Determining, by the first device of the message, the network identifier of the second device according to the identifier of the third device and the uplink and downlink transmission indication carried in the physical header of the first message, so that the first device determines, according to the determined network identifier of the second device, The identifier of the third device determines whether to send the second message. For the specific determination process, refer to the description of the method embodiment on the first device side, and details are not described herein.

(2) If the physical identifier of the first message includes the network identifier of the second device, the identifier of the third device may not be included, so that when the second device sends the first message, the first device may be monitored. The first device of the message determines the identifier of the third device according to the network identifier of the second device that is carried in the physical header of the first message and the uplink and downlink transmission indication, so that the first device determines, according to the determined network identifier of the second device, The identifier of the third device determines whether to send the second message. For the specific determination process, refer to the description of the method embodiment on the first device side, and details are not described herein.

The second case: when the first message is a downlink transmission non-direct transmission message, the identifier of the second device that sends the first message is also an identifier of the AP. Therefore, when the first message is a downlink transmission non-directly connected message, the network identifier of the second device is the same as the identifier of the second device, and the physical header of the first message is included in the foregoing. Where the second device and the second device are located The identifier of the network identifier is used to save the cost of the physical header of the first message. Optionally, when the physical header of the first message includes an uplink and downlink transmission indication, and the uplink and downlink transmission indication indicates that the first message is a downlink message. The physical header of the first message may include any one of an identifier of the second device and a network identifier where the second device is located, specifically:

(1) If the physical header of the first message includes the identifier of the second device, the network identifier of the second device may not be included, so that when the second device sends the first message, the first device may be monitored. Determining, by the first device of the message, the network identifier of the second device according to the identifier of the second device and the uplink and downlink transmission indication carried in the physical header of the first message, so that the first device determines, according to the determined network identifier of the second device, The identifier of the second device determines whether to send the second message. For the specific determination process, refer to the description of the method embodiment on the first device side, and details are not described herein.

(2) If the physical identifier of the first message includes the network identifier of the second device, the identifier of the second device may not be included, so that when the second device sends the first message, the first device may be monitored. The first device of the message determines the identifier of the second device according to the network identifier and the uplink and downlink transmission indication of the second device that is carried in the physical header of the first message, so that the first device determines, according to the determined network identifier of the second device, The identifier of the second device determines whether to send the second message. For the specific determination process, refer to the description of the method embodiment on the first device side, and details are not described herein.

A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to the program instructions. The foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

FIG. 4 is a schematic structural diagram of Embodiment 1 of an apparatus according to an embodiment of the present invention. As shown in FIG. 4, the apparatus includes: an obtaining module 11 and a first determining module 12. among them,

The obtaining module 11 is configured to obtain, by listening to the physical header of the first message, a transmission type of the first message, where the transmission type of the first message is a non-directly connected message or a direct connection message; the device and the sending module of the acquiring module 11 The second device of the first message belongs to the same network.

The first determining module 12 is configured to determine, according to the transmission type of the first message acquired by the obtaining module 11 and the transmission type of the second message to be sent by the device where the acquiring module 11 is located, whether the first device sends the first channel through the first channel. When the message is sent, the second message is sent through the first channel; the transmission type of the second message is an indirect connection message or a direct connection message.

The device provided by the embodiment of the present invention may perform the foregoing method embodiments, and the implementation principle and technical effects are similar, and details are not described herein again.

Further, on the basis of the foregoing embodiment, the acquiring module 11 is specifically configured to acquire, according to a direct transmission indication included in a physical header of the first message, a transmission type of the first message, where the direct transmission indication is used to indicate The type of transmission of the first message.

FIG. 5 is a schematic structural diagram of Embodiment 2 of an apparatus according to an embodiment of the present invention. As shown in FIG. 5, further, in the foregoing embodiment, the physical header of the first message may further include a second device. Network identifier; the above device may further include a second determining module 13 and a receiving module 14.

The second determining module 13 is configured to determine, according to the identifier of the third device, whether the device where the acquiring module 11 is located is different from the third device.

The first determining module 12 is further configured to: when the second determining module 13 determines, according to the identifier of the third device, that the device where the acquiring module 11 is located is different from the third device, the transmission type of the first message acquired according to the obtaining module 11 and Obtaining a transmission type of the second message to be sent by the device where the module 11 is located, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel; and when the second determining module 13 is configured according to the third device The identifier indicates that when the device where the obtaining module 11 is located is the same as the third device, the receiving module 14 is instructed to continue receiving the remaining portion of the first message.

Further, based on the foregoing embodiment, the physical header of the first message may further include an identifier of the second device.

The second determining module 13 is further configured to determine, according to the identifier of the second device, whether the fourth device that receives the second message is different from the second device.

The first determining module 12 is further configured to: when the second determining module 13 determines that the fourth device is different from the second device according to the identifier of the second device, the transmission type of the first message acquired by the obtaining module 11 and the obtaining module 11 a transmission type of the second message to be sent by the device, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel; and when the second determining module 13 is configured according to the identifier of the second device, When it is determined that the fourth device is the same as the second device, it is determined that the second message is not sent by using the first channel when the second device sends the first message by using the first channel.

Further, based on the foregoing embodiment, determining, according to the transmission type of the first message acquired by the obtaining module 11 and the transmission type of the second message to be sent by the device where the acquiring module 11 is located, determining whether the second device passes the first Sending a second message through the first channel when the channel sends the first message, Specifically include:

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a direct transmission message, determining to send the second message through the first channel when the second device sends the first message by using the first channel;

or,

If the transmission type of the first message is a direct transmission message, and the transmission type of the second message is a direct transmission message or a non-direct transmission message, determining to pass the first channel when the second device sends the first message through the first channel Send a second message;

or,

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a non-direct transmission message, determining that the second message is not sent by using the first channel when the second device sends the first message by using the first channel .

FIG. 6 is a schematic structural diagram of Embodiment 3 of the device according to the embodiment of the present invention. On the basis of the foregoing embodiment shown in FIG. 5, when the sending power of the device where the acquiring module 11 is located is a fixed power, as shown in FIG. The above device may further include:

The third determining module 15 is configured to determine, according to the neighbor information and the identifier of the third device included in the physical header of the first message, the historical path loss when the device where the acquiring module 11 is listening to the message sent by the third device; Corresponding relationship between the historical path loss and the identifier of other devices when the device where the module 11 is located listens for messages sent by other devices.

The first determining module 12 is configured to determine whether the second device sends the first channel through the first channel according to the transmission type of the first message acquired by the obtaining module 11 and the transmission type of the second message to be sent by the device where the acquiring module 11 is located. Sending the second message through the first channel when a message is, specifically:

Determining whether it is in the second device according to the transmission type of the first message, the transmission type of the second message, and the historical path loss when the device in which the acquiring module 11 is located is listening to the message sent by the third device. The second message is sent through the first channel when the first message is sent through the first channel.

Continuing to refer to FIG. 6 , optionally, the physical header of the first message further includes a sending duration of the first message, and the third determining module 15 is further configured to determine a sending duration of the second message.

The first determining module 12 is configured to: according to the transmission type of the first message, the transmission type of the second message, and the historical path when the device where the acquiring module 11 is determined by the third determining module 15 listens to the message sent by the third device. And determining, whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, specifically:

When the sending duration of the second message determined by the third determining module 15 is less than or equal to the remaining sending duration of the first message, according to the transmission type of the first message, the transmission type of the second message, and the device where the acquiring module 11 is located The historical path loss when the message sent by the third device is monitored, determining whether the second message is sent through the first channel when the second device sends the first message through the first channel.

FIG. 7 is a schematic structural diagram of Embodiment 4 of the device according to the embodiment of the present invention. On the basis of the foregoing embodiment shown in FIG. 5, as shown in FIG. 7, when the sending power of the device where the acquiring module 11 is located is adjustable, The device may further include: a fourth determining module 16, configured to determine, according to the neighbor information and the identifier of the third device included in the physical header of the first message, a historical path when the device where the acquiring module 11 is listening to the message sent by the third device And the power required to send the second message by the device where the module 11 is located; wherein the neighbor information is the correspondence between the historical path loss when the device where the acquiring module 11 is located listening to the message sent by the other device and the identifier of the other device relationship;

According to the transmission type of the first message, the transmission type of the second message, and the historical path loss when the device where the acquisition module 11 is located, the device where the acquisition module 11 is located, listens to the message sent by the third device, and the device where the acquisition module 11 is located. The power required to send the second message determines whether the second message is sent through the first channel when the second device sends the first message through the first channel.

With continued reference to FIG. 7 , optionally, the physical header of the first message may further include a sending duration of the first message.

The fourth determining module 16 is further configured to determine a sending duration of the second message.

The first determining module 12 is configured to: according to the transmission type of the first message, the transmission type of the second message, and the device that is located by the obtaining module 11 determined by the fourth determining module 16 The historical path loss of the message sent by the device, and the power required by the device where the module 11 is located to send the second message, determining whether the second message is sent through the first channel when the second device sends the first message through the first channel, specifically for:

When the sending duration of the second message determined by the fourth determining module 16 is less than or equal to the remaining sending duration of the first message, according to the transmission type of the first message, the transmission type of the second message, and the device listening device where the acquiring module 11 is located. The historical path loss when the message is sent by the device, and the power required by the device where the module 11 is located to send the second message, determining whether the second device sends the second message through the first channel when the first device sends the first message through the first channel. Message.

A fifth embodiment of the present invention provides a device, where the device includes: a sending module, where

a sending module, configured to send a first message, where the physical header of the first message is used to indicate, to the first device, a transmission type of the first message, so that the first device is configured according to the transmission type of the first message and the first device to be sent. The transmission type of the second message determines whether the second message is sent through the first channel when the device where the sending module is located sends the first message through the first channel; where the transmission type of the first message is a non-directly connected message or a direct connection The transmission type of the second message is an indirect connection message or a direct connection message; the device where the sending module is located belongs to the same network as the first device.

Further, on the basis of the foregoing embodiment, the physical header of the first message includes a direct connection transmission indication; wherein the direct connection transmission indication is used to indicate a transmission type of the first message.

Further, based on the foregoing embodiment, the physical header of the first message may further include at least one of the following: a network identifier where the device where the sending module is located, an identifier of the device where the sending module is located, or an identifier of the third device or At least one of a transmission duration of the first message; wherein the third device is a device that receives the first message.

FIG. 8 is a schematic structural diagram of Embodiment 6 of a device according to an embodiment of the present invention. As shown in FIG. 8, the device includes: a receiver 21 and a processor 22, where

The receiver 21 is configured to monitor a physical header of the first message.

The processor 22 is configured to obtain, according to a physical header of the first message, a transmission type of the first message, and determine, according to a transmission type of the first message and a transmission type of the second message to be sent by the device where the processor 22 is located, whether When the second device sends the first message through the first channel, the second message is sent by using the first channel; where the transmission type of the first message is an indirect connection message or a direct connection message; the device where the processor 22 is located and the first message is sent. The second device of the message belongs to the same network; the transmission type of the second message is an indirect connection message or a direct connection message.

Further, on the basis of the foregoing embodiment, the processor 22 is specifically configured to acquire, according to a direct transmission indication included in a physical header of the first message, a transmission type of the first message, where the direct transmission indication is used to indicate The type of transmission of the first message.

Further, on the basis of the foregoing embodiment, the physical header of the first message may further include an identifier of the third device that receives the first message, and the processor 22 is further configured to determine, according to the identifier of the third device, the processing. Whether the device in which the device 22 is located is different from the third device; when it is determined that the device in which the processor 22 is located is different from the third device, according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor 22 is located Determining whether to send the second message through the first channel when the second device sends the first message through the first channel; when determining that the device where the processor 22 is located is the same as the third device, instructing the receiver 21 to continue to receive the remaining of the first message section.

Further, based on the foregoing embodiment, the physical header of the first message may further include an identifier of the second device, where the processor 22 is further configured to determine, according to the identifier of the second device, that the second message is received. The fourth device is different from the second device; when it is determined that the fourth device is different from the second device, determining whether the second device is based on the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor 22 is located Sending a second message through the first channel when the first message is sent by using the first channel, and determining to send the second message by using the first channel when the second device sends the first message by using the first channel when determining that the fourth device is the same as the second device Message.

Further, based on the foregoing embodiment, the determining, according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor 22 is located, determining whether the second device sends the first message through the first channel. Sending the second message by using the first channel, specifically:

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a direct transmission message, determining to send the first message through the first channel when the second device sends the first message through the first channel Send a second message;

or,

Optionally, when the sending power of the device where the processor 22 is located is a fixed power, the processor 22 is further configured to determine the processor 22 according to the neighbor information and the identifier of the third device included in the physical header of the first message. The historical path loss when the device is listening to the message sent by the third device; where the neighbor information is the correspondence between the historical path loss of the device where the processor 22 is located to listen to the message sent by the other device and the identifier of the other device;

The processor 22 is configured to determine, according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor 22 is located, whether to pass the first channel when the second device sends the first message by using the first channel. Send the second message, specifically:

Determining whether the second device sends the first message through the first channel according to the historical path loss when the device where the processor 22 is listening to the message sent by the third device, and the transmission type of the first message and the transmission type of the second message The second message is sent through the first channel.

Further, optionally, the physical header of the first message may further include a sending duration of the first message, where the processor 22 is further configured to determine a sending duration of the second message.

The processor 22 is configured to: according to the historical path loss when the device where the processor 22 is located listens to the message sent by the third device, and the transmission type of the first message, and the second message to be sent by the device where the processor 22 is located. a transmission type, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, specifically:

When the transmission duration of the second message is less than or equal to the remaining transmission duration of the first message, according to the transmission type of the first message, the transmission type of the second message, and the device monitoring of the processor 22 The historical path loss when the message is sent by the third device, determining whether the second message is sent through the first channel when the second device sends the first message through the first channel.

Optionally, when the sending power of the device where the processor 22 is located is adjustable, the processor 22 is further configured to determine, according to the neighbor information and the identifier of the third device in the first message, that the device where the processor 22 is located is listening to the third device. The historical path loss when the message is sent by the device, and the power required by the device where the processor 22 is located to send the second message; wherein the neighbor information is the historical path loss when the device where the processor 22 is located listens for the message sent by the other device. Correspondence between the identifiers of other devices;

The historical path loss when the device where the processor 22 is located listens to the message sent by the third device, the power required by the device where the processor 22 is located to send the second message, and the transmission type of the first message and the transmission type of the second message And determining whether the second message is sent through the first channel when the second device sends the first message through the first channel.

The processor 22 is configured to: when the device where the processor 22 is located, listen to the historical path loss when the message sent by the third device, the power required by the device where the processor 22 is located to send the second message, and the transmission type of the first message. And the transmission type of the second message, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, specifically:

When the transmission duration of the second message is less than or equal to the remaining transmission duration of the first message, according to the transmission type of the first message, the transmission type of the second message, and the history of the device where the processor 22 is located listening to the message sent by the third device The path loss, and the power required by the device in which the processor 22 is located to transmit the second message, determines to send the second message.

Embodiment 7 of the present invention provides a device, where the device includes: a transmitter, where

a sender, configured to send a first message, where the physical header of the first message is used to indicate to the first device a transmission type of the message, so that the first device determines, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device, whether the first device sends the first channel through the first channel. Transmitting, by the first channel, a second message, where the transmission type of the first message is a non-direct connection transmission message or a direct connection transmission message, and the transmission type of the second message is an indirect connection transmission message or a direct connection transmission message. The device where the above transmitter is located belongs to the same network as the first device.

Further, on the basis of the foregoing embodiment, the physical header of the first message may further include at least one of the following: a network identifier where the device where the sender is located, an identifier of the device where the sender is located, an identifier of the third device, or At least one of a transmission duration of the first message; wherein the third device is a device that receives the first message.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims

A spatial multiplexing method, comprising:

The first device acquires a transmission type of the first message by listening to a physical header of the first message, where the transmission type of the first message is an indirect connection message or a direct connection message; the first device sends The second device of the first message belongs to the same network;

Determining, by the first device, whether the second device sends the first message by using the first channel, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device The first channel sends the second message; the transmission type of the second message is an indirect connection message or a direct connection message.
The method according to claim 1, wherein the first device acquires a transmission type of the first message by listening to a physical header of the first message, and specifically includes:

Determining, by the first device, a transmission type of the first message according to a direct transmission indication included in a physical header of the first message, where the direct connection indication is used to indicate a transmission type of the first message .
The method according to claim 1 or 2, wherein the physical header of the first message further includes an identifier of the third device that receives the first message; the method further includes:

Determining, by the first device, whether the first device is different from the third device according to the identifier of the third device;

If yes, the first device determines, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device, whether the second device sends the Transmitting, by the first channel, the second message when the first message is sent;

If not, the first device continues to receive the remainder of the first message.
The method according to any one of claims 1-3, wherein the physical header of the first message further includes an identifier of the second device; the method further includes:

Determining, by the first device, whether the fourth device that receives the second message is different from the second device according to the identifier of the second device;

If yes, the first device determines, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device, whether the second device sends the Transmitting, by the first channel, the second message when the first message is sent;

If not, the first device determines that the second device is not sent by using the first channel. Transmitting the second message by using the first channel when the first message is received.
The method according to any one of claims 1 to 4, wherein the first device determines whether the transmission type of the first message and the transmission type of the second message to be sent by the first device are And sending, by the first channel, the second message when the second device sends the first message by using the first channel, specifically:

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a direct transmission message, the first device determines that the second device sends by using the first channel. Transmitting, by the first channel, the second message when the first message is sent;

or,

If the transmission type of the first message is a direct connection transmission message, and the transmission type of the second message is a direct connection transmission message or a non-direct connection transmission message, the first device determines that the second device passes the Transmitting, by the first channel, the second message by using the first channel when sending the first message;

or,

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a non-direct transmission message, the first device determines that the second device does not pass the first channel. Sending the second message through the first channel when the first message is sent.
The method according to claim 3 or 4, wherein the method further comprises:

Determining, by the first device, the historical path loss when the first device listens to the message sent by the third device, according to the neighbor information and the identifier of the third device included in the physical header of the first message; The neighbor information is a correspondence between a historical path loss of the first device listening to a message sent by another device and an identifier of the other device;

Determining, by the first device, whether the second device sends the first message by using the first channel, according to the transmission type of the first message and the transmission type of the second message to be sent by the first device The sending, by the first channel, the second message includes:

The first device is configured according to the transmission type of the first message, the transmission type of the second message to be sent by the first device, and the historical path when the first device listens to the message sent by the third device. Loss, determining whether to send the second message over the first channel when the second device sends the first message over the first channel.
The method of claim 6 wherein the physicality of the first message The header further includes a sending duration of the first message; the method further includes:

Determining, by the first device, a sending duration of the second message;

The first device is configured according to the transmission type of the first message and the transmission type of the second message to be sent by the first device, and the historical path when the first device listens to the message sent by the third device Determining whether to send the second message by using the first channel when the second device sends the first message by using the first channel, specifically:

When the first device determines that the sending duration of the second message is less than or equal to the remaining sending duration of the first message, the first device is configured according to the transmission type of the first message, and the first device is a transmission type of the sent second message, and a historical path loss when the first device listens to the message sent by the third device, determining whether the first device sends the first channel by using the first channel Transmitting the second message through the first channel when the message is received.
The method according to claim 3 or 4, wherein the method further comprises:

Determining, by the first device, the historical path loss when the first device listens to the message sent by the third device, according to the neighbor information and the identifier of the third device included in the physical header of the first message, and The power required by the first device to send the second message; wherein the neighbor information is a correspondence between a historical path loss when the first device listens to a message sent by another device and an identifier of the other device relationship;

Determining, according to the transmission type of the first message, and the transmission type of the second message to be sent by the first device, whether the second device sends the first message by using the first channel And sending the second message by using the first channel, specifically:

The first device is configured to: according to the transmission type of the first message, the transmission type of the second message to be sent by the first device, and the historical path loss when the first device listens to the message sent by the third device, And determining, by the first device, the power required by the second message, whether to send the second channel by using the first channel when the second device sends the first message by using the first channel Message.
The method according to claim 8, wherein the physical header of the first message further includes a sending duration of the first message; the method further includes:

Determining, by the first device, a sending duration of the second message;

The first device according to the transmission type of the first message and the transmission type of the second message to be sent by the first device, and the first device listening to the message sent by the third device a history path loss, and a power required by the first device to send the second message, determining whether to send by using the first channel when the second device sends the first message by using the first channel The second message specifically includes:

When the first device determines that the sending duration of the second message is less than or equal to the remaining sending duration of the first message, the first device is configured according to the transmission type of the first message, and the first device is The transmission type of the second message to be sent, the historical path loss when the first device listens to the message sent by the third device, and the power required by the first device to send the second message, to determine whether And sending, by the second device, the second message by using the first channel when the first message is sent by using the first channel.
A spatial multiplexing method, the method comprising:

The second device sends a first message, where the physical header of the first message is used to indicate the transmission type of the first message to the first device, so that the first device is configured according to the transmission type and location of the first message. Determining, by the transmission type of the second message to be sent by the first device, whether the second message is sent by using the first channel when the second device sends the first message by using the first channel; The transmission type of the first message is an indirect connection message or a direct connection message, and the transmission type of the second message is an indirect connection message or a direct connection message; the second device belongs to the first device The same network.
The method according to claim 10, wherein the physical header of the first message includes a direct connection transmission indication; wherein the direct connection transmission indication is used to indicate a transmission type of the first message.
The method according to claim 10 or 11, wherein the physical header of the first message further comprises at least one of the following:

a network identifier of the second device, an identifier of the second device, an identifier of the third device, and a sending duration of the first message, where the third device is configured to receive the first message. device.
A device, characterized in that the device comprises:

An acquiring module, configured to acquire a transmission type of the first message by listening to a physical header of the first message, where the transmission type of the first message is an indirect connection message or a direct connection message; where the acquiring module is located The device belongs to the same network as the second device that sends the first message;

a first determining module, configured to determine whether the second device passes the first channel according to a transmission type of the first message acquired by the acquiring module and a transmission type of the second message to be sent by the device where the acquiring module is to be sent Sending the second message by using the first channel when sending the first message; the transmission type of the second message is an indirect connection message or a direct connection message.
The device according to claim 13, wherein the obtaining module is configured to acquire a transmission type of the first message according to a direct transmission indication included in a physical header of the first message; The direct transmission indication is used to indicate the transmission type of the first message.
The device according to claim 13 or 14, wherein the physical header of the first message further includes an identifier of the third device that receives the first message; the device further includes: a second determining module and Receiving module

The second determining module is configured to determine, according to the identifier of the third device, whether the device where the acquiring module is located is different from the third device;

The first determining module is further configured to: when the second determining module determines, according to the identifier of the third device, that the device where the acquiring module is different from the third device, according to the obtaining module Determining whether a transmission type of the first message and a transmission type of the second message to be sent by the device where the acquiring module is to be sent are sent by using the first channel when the second device sends the first message by using the first channel And the second determining module, when the second determining module determines that the device where the acquiring module is the same as the third device, according to the identifier of the third device, instructing the receiving module to continue to receive the first The rest of the message.
The device according to any one of claims 13 to 15, wherein the physical header of the first message further includes an identifier of the second device;

The second determining module is further configured to determine, according to the identifier of the second device, whether the fourth device that receives the second message is different from the second device;

The first determining module is further configured to: when the second determining module determines, according to the identifier of the second device, that the fourth device is different from the second device, the first acquired according to the acquiring module Determining whether the transmission type of the message and the transmission type of the second message to be sent by the device in which the acquiring module is to be sent are sent by using the first channel when the second device sends the first message by using the first channel a second message; when the second determining module determines that the fourth device is the same as the second device according to the identifier of the second device, determining that the second device is not in the second And transmitting, by the first channel, the second message by using the first channel when the device sends the first message by using the first channel.
The device according to any one of claims 13 to 16, wherein the determining according to the transmission type of the first message acquired by the acquiring module and the transmission type of the second message to be sent by the device where the acquiring module is located is determined. Whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, specifically:

And if the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a direct transmission message, determining, by the second device, sending the first message by using the first channel Transmitting the second message by using the first channel;

or,

If the transmission type of the first message is a direct transmission message, and the transmission type of the second message is a direct connection transmission message or a non-direct connection transmission message, determining that the second device sends by using the first channel Transmitting, by the first channel, the second message when the first message is sent;

or,

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is an indirect connection message, determining that the second device does not send the first channel by using the first channel Transmitting the second message through the first channel when the message is received.
The device according to claim 15 or 16, wherein the device further comprises:

a third determining module, configured to determine, according to the neighbor information and the identifier of the third device included in the physical header of the first message, a historical path when the device where the acquiring module is listening to the message sent by the third device Loss; wherein the neighbor information is a correspondence between a historical path loss of the device where the acquiring module is located to listen to a message sent by another device, and an identifier of the other device;

The first determining module is configured to determine, according to a transmission type of the first message acquired by the acquiring module, and a transmission type of the second message to be sent by the device where the acquiring module is located, whether the second device passes the Sending the second message by using the first channel when the first message is sent by a channel, specifically:

Determining, according to the transmission type of the first message, the transmission type of the second message, and the device where the acquiring module is determined by the third determining module, listening to the third device to send The historical path loss at the time of the message, determining whether the second message is sent through the first channel when the second device sends the first message through the first channel.
The device according to claim 18, wherein the physical header of the first message further includes a sending duration of the first message;

The third determining module is further configured to determine a sending duration of the second message;

The first determining module is configured to: according to the transmission type of the first message, the transmission type of the second message, and the device where the acquiring module is determined by the third determining module, listening to the third The historical path loss of the message sent by the device, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, specifically:

When the transmission duration of the second message determined by the third determining module is less than or equal to the remaining transmission duration of the first message, according to the transmission type of the first message, and the transmission type of the second message, And determining, by the device where the acquiring module is located, the historical path loss when the message sent by the third device is used, and determining whether the first device passes the first message when sending the first message by using the first channel. The channel transmits the second message.
The device according to claim 15 or 16, wherein the device further comprises:

a fourth determining module, configured to determine, according to the neighbor information and the identifier of the third device included in the physical header of the first message, a historical path when the device where the acquiring module is located to listen to the message sent by the third device Loss, and the power required by the device where the acquiring module is sent to send the second message; wherein the neighbor information is a historical path loss when the device where the acquiring module is located listening to a message sent by another device, and the Correspondence between the identifiers of other devices;

The first determining module is configured to determine, according to a transmission type of the first message acquired by the acquiring module, and a transmission type of the second message to be sent by the device where the acquiring module is located, whether the second device passes the Sending the second message by using the first channel when the first message is sent by a channel, specifically:

And the historical path loss when the device where the acquiring module is located monitors the message sent by the third device, according to the transmission type of the first message, the transmission type of the second message, and the device that is determined by the fourth determining module The device where the acquiring module is located sends the second message Determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel.
The device according to claim 20, wherein the physical header of the first message further includes a sending duration of the first message; the device further includes:

The fourth determining module is further configured to determine a sending duration of the second message;

The first determining module is configured to: according to the transmission type of the first message, the transmission type of the second message, and the device where the acquiring module is determined by the fourth determining module, listening to the third The historical path loss when the message is sent by the device, and the power required by the device where the acquiring module is sent to send the second message, determining whether the second device sends the first message through the first channel. Sending, by the first channel, the second message, specifically:

When the transmission duration of the second message determined by the fourth determining module is less than or equal to the remaining transmission duration of the first message, according to the transmission type of the first message, the transmission type of the second message, The historical path loss when the device where the acquiring module is listening to the message sent by the third device, and the power required by the device where the acquiring module is sent to send the second message, determining whether the second device is Transmitting the second message through the first channel when the first message is sent by using the first channel.
A device, characterized in that the device comprises:

a sending module, configured to send a first message, where a physical header of the first message is used to indicate, to the first device, a transmission type of the first message, so that the first device is configured according to the transmission type of the first message Determining, by the transmission type of the second message to be sent by the first device, whether the second message is sent by using the first channel when the device where the sending module is located sends the first message by using a first channel; The transmission type of the first message is a non-direct connection transmission message or a direct connection transmission message, and the transmission type of the second message is a non-direct connection transmission message or a direct connection transmission message; The first device belongs to the same network.
The device according to claim 22, wherein the physical header of the first message includes a direct transmission indication; wherein the direct transmission indication is used to indicate a transmission type of the first message.
The device according to claim 22 or 23, wherein the physical header of the first message further comprises at least one of the following:

The network identifier of the device where the sending module is located, and the device where the sending module is located At least one of an identifier of the third device, an identifier of the third device, or a sending duration of the first message; wherein the third device is a device that receives the first message.
An apparatus, comprising: a receiver and a processor;

The receiver is configured to listen to a physical header of the first message;

The processor is configured to acquire, according to a physical header of the first message, a transmission type of the first message, and according to a transmission type of the first message and a second to be sent by a device where the processor is located And determining, by the transmission type of the message, whether the second message is sent by using the first channel when the second device sends the first message by using the first channel; wherein, the transmission type of the first message is non-straight And transmitting a message or a direct connection message; the device where the processor is located belongs to the same network as the second device that sends the first message; and the transmission type of the second message is an indirect connection message or a direct connection transmission Message.
The device according to claim 25, wherein

The processor is configured to acquire, according to a direct transmission indication included in a physical header of the first message, a transmission type of the first message, where the direct transmission indication is used to indicate the first message. The type of transmission.
The device according to claim 25 or 26, wherein the physical header of the first message further includes an identifier of the third device that receives the first message;

The processor is further configured to determine, according to the identifier of the third device, whether the device where the processor is located is different from the third device; when determining that the device where the processor is located and the third device are not At the same time, determining whether to pass the first message when the second device sends the first message by using the first channel according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor is located. Transmitting, by the first channel, the second message; when it is determined that the device where the processor is located is the same as the third device, instructing the receiver to continue receiving the remaining part of the first message.
The device according to any one of claims 25-27, wherein the physical header of the first message further includes an identifier of the second device;

The processor is further configured to determine, according to the identifier of the second device, that the fourth device that receives the second message is different from the second device; when determining that the fourth device and the second device are not Simultaneously, determining, according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor is located, whether the second device sends the first channel by using the first channel Sending, by the first channel, the second message when a message is determined; when determining that the fourth device is the same as the second device, determining that the second device is not sending the first channel by using the first channel Transmitting the second message through the first channel when the message is received.
The device according to any one of claims 25 to 28, wherein the determining according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor is located determines whether And sending, by the second device, the second message by using the first channel when the first device sends the first message by using the first channel, specifically:

And if the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is a direct transmission message, determining, by the second device, sending the first message by using the first channel Transmitting the second message by using the first channel;

or,

If the transmission type of the first message is a direct transmission message, and the transmission type of the second message is a direct connection transmission message or a non-direct connection transmission message, determining that the second device sends by using the first channel Transmitting, by the first channel, the second message when the first message is sent;

or,

If the transmission type of the first message is a non-direct transmission message, and the transmission type of the second message is an indirect connection message, determining that the second device does not send the first channel by using the first channel Transmitting the second message through the first channel when the message is received.
Device according to claim 27 or 28, characterized in that

The processor is further configured to determine, according to neighbor information and an identifier of the third device included in a physical header of the first message, a history of a device where the processor is located listening to a message sent by the third device Path loss; wherein the neighbor information is a correspondence between a historical path loss of the device where the processor is located to listen to a message sent by another device, and an identifier of the other device;

The processor is configured to determine, according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor is to be sent, whether the second device sends the first channel by using the first channel Sending the second message by using the first channel when a message is:

Determining whether the second path is determined according to the historical path loss when the device where the processor is located is listening to the message sent by the third device, and the transmission type of the first message and the transmission type of the second message. Passing the first message when the device sends the first message through the first channel The second message is sent on one channel.
The device according to claim 30, wherein the physical header of the first message further includes a sending duration of the first message;

The processor is further configured to determine a sending duration of the second message;

The processor is configured to: according to a historical path loss when the device where the processor is located is listening to a message sent by the third device, and a transmission type of the first message, a transmission type of the second message, Determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel, specifically:

When the transmission duration of the second message is less than or equal to the remaining transmission duration of the first message, according to the transmission type of the first message, the transmission type of the second message, and the location of the processor The device monitors the historical path loss when the message sent by the third device, and determines whether the second message is sent by using the first channel when the second device sends the first message by using the first channel.
Device according to claim 27 or 28, characterized in that

The processor is further configured to determine, according to the neighbor information and the identifier of the third device in the first message, a historical path loss when the device where the processor is located is listening to the message sent by the third device, and The power required by the device where the processor is to send the second message; wherein the neighbor information is a historical path loss when the device where the processor is located listening to a message sent by another device, and an identifier of the other device Correspondence between them;

The processor is configured to determine, according to the transmission type of the first message and the transmission type of the second message to be sent by the device where the processor is to be sent, whether the second device sends the first channel by using the first channel Sending the second message by using the first channel when a message is:

And a historical path loss when the device where the processor is located is listening to the message sent by the third device, a power required by the device where the processor is located to send the second message, and a transmission of the first message The type, the transmission type of the second message, determining whether the second message is sent by using the first channel when the second device sends the first message by using the first channel.
The device according to claim 32, wherein the physical header of the first message further includes a sending duration of the first message;

The processor is further configured to determine a sending duration of the second message;

The processor is configured to: according to a historical path loss when the device where the processor is located is listening to a message sent by the third device, a power required by the device where the processor is located to send the second message, and Determining, by the transmission type of the first message, the transmission type of the second message, whether the second message is sent by using the first channel when the second device sends the first message by using a first channel, Specifically:

And when the sending duration of the second message is less than or equal to the remaining sending duration of the first message, according to the transmission type of the first message, the transmission type of the second message, and the device where the processor is located. a historical path loss when the message is sent by the third device, and a power required by the device where the processor is to send the second message, determining whether the second device sends the first channel through the first channel The second message is sent through the first channel when a message is received.
An apparatus, comprising: a transmitter;

The transmitter is configured to send a first message, where a physical header of the first message is used to indicate, to the first device, a transmission type of the first message, so that the first device is configured according to the first message Transmitting type and a transmission type of the second message to be sent by the first device, determining whether to send the second message by using the first channel when the device where the sender is located sends the first message by using a first channel The transmission type of the first message is a non-direct connection transmission message or a direct connection transmission message, and the transmission type of the second message is an indirect connection transmission message or a direct connection transmission message; It belongs to the same network as the first device.
The device according to claim 34, wherein the physical header of the first message includes a direct connection transmission indication; wherein the direct connection transmission indication is used to indicate a transmission type of the first message.
The device according to claim 34 or 35, wherein the physical header of the first message further comprises at least one of the following:

At least one of a network identifier in which the device in which the transmitter is located, an identifier of the device in which the transmitter is located, an identifier of the third device, or a sending duration of the first message; wherein the third device A device that receives the first message.