CN114095504B

CN114095504B - Method, apparatus and storage medium for peer-to-peer communication using multilink

Info

Publication number: CN114095504B
Application number: CN202010669830.9A
Authority: CN
Inventors: 吴昊; 谢芳; 廖杨
Original assignee: Chengdu Jimi Technology Co Ltd
Current assignee: Chengdu Jimi Technology Co Ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2022-11-18
Anticipated expiration: 2040-07-13
Also published as: WO2022011764A1; CN114095504A

Abstract

The application discloses a method, a device and a storage medium for point-to-point communication by using multilinks, wherein the method comprises the following steps: sending a data bearing message to a network access device, wherein the data bearing message comprises a source address, a target address and a parameter P2P option, and the parameter P2P option is used for indicating whether point-to-point operation is used; receiving a trigger message sent by network access equipment, wherein the trigger message contains a parameter P2P parameter set, and the parameter P2P parameter set is used for indicating resources allocated to point-to-point operation; data is transmitted according to the parameter P2P parameter set. The application provides a time domain resource allocation method, which can ensure the performance of point-to-point communication transmission and limit the influence of the point-to-point communication transmission on the network performance.

Description

Method, apparatus and storage medium for peer-to-peer communication using multilink

Technical Field

The present application relates to the field of wireless communications, and in particular, to a method, an apparatus, and a storage medium for performing peer-to-peer communication using multiple links.

Background

802.11be networks, also known as Extreme High Throughput (EHT) networks, enhance functionality through a range of system features and a variety of mechanisms to achieve very High Throughput. As the use of Wireless Local Area Networks (WLANs) continues to grow, it becomes increasingly important to provide wireless data services in many environments, such as homes, businesses, and hot spots. In particular, video traffic will continue to be the dominant type of traffic in many WLAN deployments. With the advent of 4k and 8k video (uncompressed rates of 20 Gbps), the throughput requirements for these applications are constantly evolving. New high throughput, low latency applications such as virtual reality or augmented reality, gaming, remote offices and cloud computing will proliferate (e.g., latency for real-time gaming below 5 milliseconds).

In view of the high throughput and stringent real-time latency requirements of these applications, users expect higher throughput, higher reliability, less latency and jitter, and higher power efficiency when supporting their applications over a WLAN. Users desire improved integration with Time Sensitive Networks (TSNs) to support applications on heterogeneous ethernet and wireless LANs. 802.11be networks aim to ensure the competitiveness of WLANs by further increasing overall throughput and reducing latency, while ensuring backward compatibility and coexistence with legacy technology standards. 802.11 compatible devices operating in the 2.4GHz,5GHz and 6GHz bands.

In an 802.11be network, a point-to-point communication enhancement mode based on AP scheduling is provided, wireless resources are uniformly scheduled by the AP, and the receiving and transmitting of other equipment in the network are ensured not to lose packets due to interference while intermediate transmission nodes are reduced and transmission delay is reduced.

Disclosure of Invention

In an 802.11be network, in order to improve data throughput and reduce data transmission delay, a point-to-point (P2P) transmission method controlled by a network access device (such as a router, a network access point AP, etc., which will be described below by taking an AP as an example) is proposed. Before that, the 802.11 network supports direct connection of devices and is also a point-to-point transmission mode, but in the two previous scenarios, the first scenario is that no AP is provided, so that transmission does not interfere with transmission of other devices, and the second scenario is that an AP is provided, and after the two devices establish connection through the AP, the two devices directly transmit.

The present application provides a time domain resource allocation method based on such a background, which can ensure the performance of point-to-point communication transmission and can also limit the influence of the transmission on the network performance.

In a first aspect, the present application provides a method for peer-to-peer communication using multiple links, including: sending a data bearing message to a network access device, wherein the data bearing message comprises a source address, a target address and a parameter P2P option, and the parameter P2P option is used for indicating whether point-to-point operation is used; receiving a trigger message sent by network access equipment, wherein the trigger message contains a parameter P2P parameter set, and the parameter P2P parameter set is used for indicating resources allocated to point-to-point operation; data is transmitted according to the parameter P2P parameter set.

Illustratively, the parameter P2P parameter set includes fields Link, P2P bitmap and P2P interval, where Link is used for indicating a specified Link, and P2P bitmap is used for indicating the distribution of timeslots in a timeslot allocation period; P2P interval is used to indicate a slot allocation period.

Optionally, the P2P interval is an independent parameter, or the P2P interval is not an independent parameter and has a value equal to the total length of all slots in the P2P bitmap.

Optionally, the time slots in one slot allocation period include a point-to-point time slot and a normal time slot, and the point-to-point time slot includes a point-to-point transmission time slot and/or a point-to-point reception time slot.

In one possible design, transmitting data according to the parameter P2P parameter set includes: and according to the P2P bitmap corresponding to the Link, sending data to the peer terminal in the point-to-point sending time slot on the Link indicated in the field Link.

In another possible design, transmitting data according to the parameter P2P parameter set includes: and disconnecting the connection of the current Link, establishing the connection on the Link indicated in the field Link, and after the connection is established, sending data to the peer terminal in the point-to-point sending time slot on the Link indicated in the field Link according to the P2P bitmap corresponding to the Link.

Optionally, transmitting the data according to the parameter P2P parameter set further comprises: and according to the P2P bitmap corresponding to the Link, sending data to the network access equipment or receiving the data sent by the network access equipment in the common time slot on the Link indicated in the field Link.

Optionally, transmitting the data according to the parameter P2P parameter set further comprises: and receiving the data sent by the peer terminal in the point-to-point receiving time slot on the Link indicated in the field Link according to the P2P bitmap corresponding to the Link.

Optionally, the method further comprises: and sending a P2P setup release message to the network access equipment to request to release resources for point-to-point operation.

Optionally, the method further comprises: and sending capability information to the network access equipment, wherein the capability information comprises parameters P2P mode, ML mode and STR mode, the parameter P2P mode is used for indicating whether the terminal supports point-to-point operation, the parameter ML mode is used for indicating whether the terminal supports multilink operation, and the parameter STR mode is used for indicating whether the terminal supports a simultaneous independent multilink transceiving mode.

In a second aspect, the present application provides a method for peer-to-peer communication using multiple links, comprising: receiving capability information sent by an initiating terminal and a peer terminal, wherein the capability information comprises parameters P2P mode, ML mode and STR mode, the parameter P2P mode is used for indicating whether the terminal supports point-to-point operation, the parameter ML mode is used for indicating whether the terminal supports multilink operation, and the parameter STR mode is used for indicating whether the terminal supports a simultaneous independent multilink transceiving mode; receiving a first data bearing message sent by an initiating terminal, wherein the first data bearing message comprises a source address, a target address and a parameter P2P option, and the parameter P2P option is used for indicating whether point-to-point operation is used; setting a parameter P2P parameter set according to the capability information of the initiating terminal and the peer terminal, wherein the parameter P2P parameter set is used for indicating resources allocated to point-to-point operation; sending a trigger message to the initiating terminal, wherein the trigger message contains a first parameter P2P parameter set; and sending a second data bearing message to the peer terminal, wherein the second data bearing message comprises a second parameter P2P parameter set.

In one possible design, setting the parameter P2P parameter set according to the capability information of the originator terminal and the peer terminal includes:

checking the capability information of the network access equipment, the initiating terminal and the peer terminal;

if the initiating terminal and the peer terminal both support point-to-point operation, support multilink operation and support simultaneous independent multilink transceiving mode, the configured P2P parameter set comprises a group of parameter sets, the group of parameter sets comprises a specified link and P2P bitmap and P2P interval corresponding to the specified link, or comprises a plurality of groups of parameter sets, the group of parameter sets comprises a plurality of specified links and P2P bitmap and P2P interval corresponding to the plurality of links, and the P2P bitmap and the P2P interval corresponding to the plurality of links are the same or different;

if the initiating terminal and the peer terminal both support point-to-point operation and multilink operation, and at least one party does not support a simultaneous independent multilink transceiving mode, the configured P2P parameter set comprises a group of parameter sets, the group of parameter sets comprises a specified link and a P2P bitmap and a P2P interval corresponding to the specified link, or comprises a plurality of groups of parameter sets, the plurality of groups of parameter sets comprises a plurality of specified links and a P2P bitmap and a P2P interval corresponding to each of the plurality of links, and the P2P bitmap and the P2P interval corresponding to each of the plurality of links are the same;

if both the initiating terminal and the peer terminal support point-to-point operation and at least one of the two terminals does not support multilink operation, the configured P2P parameter set comprises a set of parameter sets, and the set of parameter sets comprises a specified link and the corresponding P2P bitmap and P2P interval thereof.

Optionally, the method further comprises: setting the P2P interval as an independent parameter, or not setting the P2P interval as an independent parameter, and the value is equal to the total length of all slots in the P2P bitmap.

Optionally, the method further comprises: on the Link indicated in the field Link, the normal time slot specified in the P2P bitmap receives data transmitted by any terminal or transmits data to any terminal.

Optionally, the method further comprises: and on the Link indicated in the field Link, the point-to-point time slot specified in the P2P bitmap is not allocated to other terminals for transmitting data.

Optionally, the method further comprises: and receiving a P2P setup release message sent by the initiating terminal, and allocating the point-to-point time slot specified in the P2P bitmap to any terminal connected to the Link on the Link indicated in the field Link to transmit data.

In one possible design, the method for setting the P2P bitmap in the second parameter P2P parameter set includes: setting the P2P bitmap in the second parameter P2P parameter set to be the same as the P2P bitmap in the first parameter P2P parameter set; or, the time slot corresponding to the point-to-point sending time slot in the P2P bitmap in the second parameter P2P parameter set and the point-to-point sending time slot in the P2P bitmap in the first parameter P2P parameter set is set as the point-to-point receiving time slot, and the time slot corresponding to the point-to-point receiving time slot in the P2P bitmap in the P2P parameter set and the P2P bitmap in the first parameter P2P parameter set in the P2P parameter set is set as the point-to-point sending time slot.

In a third aspect, the present application provides an apparatus for peer-to-peer communication using multiple links, comprising: a data-bearing message sending module, configured to send a data-bearing message to the network access device, where the data-bearing message includes a source address, a destination address, and a P2P option, and the P2P option is used to indicate whether to use peer-to-peer operation; a trigger message receiving module, configured to receive a trigger message sent by a network access device, where the trigger message includes a parameter P2P parameter set, and the parameter P2P parameter set is used to indicate a resource allocated to a point-to-point operation; and the data sending module is used for transmitting data according to the parameter P2P parameter set.

In a fourth aspect, the present application provides an apparatus for peer-to-peer communication using multiple links, comprising: a capability information receiving module, configured to receive capability information sent by an initiating terminal and a peer terminal, where the capability information includes parameters P2P mode, ML mode and STR mode, the parameter P2P mode is used to indicate whether the terminal supports peer-to-peer operation, the parameter ML mode is used to indicate whether the terminal supports multilink operation, and the parameter STR mode is used to indicate whether the terminal supports simultaneous independent multilink transceiving mode; a first data-bearing message receiving module, configured to receive a first data-bearing message sent by an initiating terminal, where the first data-bearing message includes a source address, a destination address, and a P2P option parameter, and the P2P option parameter is used to indicate whether to use peer-to-peer operation; the parameter setting module is used for setting a parameter P2P parameter set according to the capability information of the initiating terminal and the peer terminal, wherein the parameter P2P parameter set is used for indicating resources allocated to point-to-point operation; a message sending module, configured to send a trigger message to the initiating terminal, where the trigger message includes a first parameter P2P parameter set; and sending a second data bearing message to the peer terminal, wherein the second data bearing message comprises a second parameter P2P parameter set.

In a fifth aspect, the present application provides an apparatus for peer-to-peer communication using multiple links, comprising: a memory for storing a program; a processor coupled to the memory, wherein the processor is configured to execute the program, so that the apparatus performs the method for peer-to-peer communication using multiple links as described in the first aspect or any of the possible implementations of the first aspect.

In a sixth aspect, the present application provides an apparatus for peer-to-peer communication using multiple links, comprising: a memory for storing a program; a processor coupled to the memory, wherein the processor is configured to execute the program to cause an apparatus to perform the method for point-to-point communication using multiple links as described in the second aspect or any of the possible implementations of the second aspect.

In a seventh aspect, the present application provides a computer-readable storage medium comprising computer instructions that, when executed by a processor, may implement the method for peer-to-peer communication using multiple links as described in the first aspect or any of the possible implementations of the second aspect.

It should be noted that, in the present application, the apparatuses in the third aspect to the sixth aspect and the computer-readable storage medium in the seventh aspect are used to execute the method in the first aspect or the second aspect, so that the same beneficial effects as those of the method in the first aspect or the second aspect can be achieved, and details of the embodiments of the present application are not repeated here.

According to the method, the terminal transmits data according to the parameter P2P parameter set by setting the parameter P2P parameter set, so that the method for allocating the time domain resources is realized, the performance of point-to-point communication transmission can be ensured, and the influence of the point-to-point communication transmission on the network performance can be limited.

Drawings

The present application will now be described by way of example only with reference to the accompanying drawings, in which:

FIG. 1 is a flowchart of a method for peer-to-peer communication using multiple links according to an embodiment of the present application;

fig. 2 is a schematic diagram illustrating distribution of timeslots in a timeslot allocation period according to an embodiment of the present application;

fig. 3 is a schematic diagram illustrating distribution of timeslots in another timeslot allocation period according to an embodiment of the present application.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Moreover, while the disclosure herein has been presented in terms of exemplary embodiment or embodiments, it is to be understood that each aspect of the disclosure can independently be implemented as a single unitary embodiment. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

In the embodiments of the present application, the words "exemplary," "for example," and the like are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, the word using examples is intended to present concepts in a concrete fashion.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used merely to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The term "and/or" includes any and all combinations of one or more of the associated listed items.

The technical solution in the present application will be described below with reference to the accompanying drawings.

In the following embodiments, the STA represents a terminal in a wireless local area network, the AP represents a network access point in the wireless local area network, and is a type of network access device, and the P2P service identifies a service that a data transmission path between terminals directly transmits between two terminals without passing through the AP.

STA1 and STA2 are two terminals within the coverage of the AP, and in the present invention, STA1 and STA2 communicate using the P2P scheme.

In P2P mode, the initiator is called the peer, which first initiates a request for P2P connection, and the target STA, which the initiator requests for connection, is called the peer.

The network access device may be a router, an AP, and the like, and the AP is taken as an example in the embodiment of the present application for description.

A Multi-Link (ML) operation is an STA or an AP that can receive or transmit data on two or more links simultaneously because multiple sets of transceiving antennas are configured and internal processing capability is enhanced. The present application is illustrated based on two links (link 1 and link 2), but does not limit the scenario that the implementation process is applied to more than two links.

Simultaneous independent multilink transmit-receive (STR) mode: the representation can simultaneously and independently carry out data transceiving on a plurality of links without mutual interference.

A slot (slot) is the minimum time unit in the wireless local area network, for example, a slot is set to be 9 microseconds, and then the transmission time is 5 slots, that is, 45 microseconds.

The way that the AP sets the P2P parameter set may be based on pre-evaluated traffic data model assignment, e.g., with video transmission traffic model as the standard for P2P traffic model,

frame rate of 60Hz

Resolution 3840x2160

Pixel size 24bits/pixel

The compression ratio is 100, and the compression ratio,

then one frame of video data is transmitted every 16.7ms, and the transmission rate is approximately 120Mbps.

Then, the transmission time is calculated according to the rate table corresponding to the MCS, as shown in table 1, and then the number of slots required for transmitting one frame of data is determined according to the time value of each slot.

TABLE 1

Fig. 1 is a flowchart of a method for peer-to-peer communication using multiple links according to an embodiment of the present application. As shown in fig. 1, the method for point-to-point communication using multiple links includes the steps of:

the STA1 is connected to the AP, the capability information of the STA1 is sent to the AP, the capability information comprises parameters P2P mode, ML mode and STR mode, the parameter P2P mode is used for indicating whether the terminal supports point-to-point operation, the parameter ML mode is used for indicating whether the terminal supports multi-link operation, and the parameter STR mode is used for indicating whether the terminal supports a simultaneous independent multi-link transceiving mode. Illustratively, the parameters included in the Capability information Capability are shown in table 2. In some embodiments, STA1 may send its capability information to the AP in a probe request message (probe request) or an association request message (association request) or a reassociation request message (association request).

TABLE 2

For example: when Capability =110, it indicates that STA1 supports P2P operation, supports multilink operation but does not support simultaneous independent data transmission and reception on the multilink.

STA2 is connected to the AP and transmits the capability information of STA2 to the AP.

And 3, if the STA1 has data to be sent to the STA2 (namely, the STA1 is an initiating terminal, and the STA2 is a peer-to-peer terminal), the STA1 sends a message carrying the data to the AP. It should be noted that the "data" in the term "data-carrying message" may refer to both traffic data and a service request indication, that is, the data-carrying message may be an ordinary data frame sent by STA1 to the AP or a separate P2P operation request message. Illustratively, the message carrying the data contains the following parameters:

and SA: a source address, set here to the address of STA 1;

DA: a target address, set here as the address of STA 2;

payload: data transmitted from STA1 to STA 2;

P2P option indicates whether point-to-point operation is used, illustratively, the values are set as follows,

"preferred": under the premise that the condition is met, using P2P operation;

"none": P2P operation is not used.

After the AP receives the information, if the value of the P2P option parameter is "preferred", the address of the STA indicated in the DA parameter is checked, and if the STA is within the coverage of the AP, a parameter P2P parameter set is set, the parameter P2P parameter set indicating resources allocated to the point-to-point operation. Illustratively, the parameter P2P parameter set contains fields Link, P2P bitmap, and P2P interval, as shown in table 3, where 1 denotes a point-to-point transmission slot, and 0 denotes a Normal slot, such as P2P slot and Normal slot in fig. 2.

In some embodiments, the P2P slots include P2P-F slots and P2P-R slots, as shown in FIG. 3, where P2P-F slots represent point-to-point transmit slots, i.e., slots used for P2P operations to transmit data, and P2P-Rslots represent point-to-point receive slots, i.e., slots used for P2P operations to receive data. For example, if 1 represents a P2P-F slot and 2 represents a P2P-R slot, then the P2P bitmap shown in FIG. 3 is {1110000002}.

TABLE 3

In some embodiments, the method for setting the parameter P2P parameter set includes:

1) Capability information of the AP itself, STA1 and STA2 is checked.

2) If it is not

STA1 supports P2P operation, supports multilink operation and supports STR mode;

STA2 supports P2P operation, supports multilink operation and supports STR mode;

the configured P2P parameter set may contain a set of parameters, wherein the parameters contain a specified link (link 1 or link 2) and its corresponding P2P bitmap and P2P interval,

or two sets of parameter sets (specifying two links, link1 and link2, performing P2P operation), one set of indication is used for P2P bitmap and P2P interval on link1, one set of indication is used for P2P bitmap and P2P interval on link2, and the P2P bitmap and P2P interval of the two sets of parameter sets may be the same or different. The two sets of parameter sets may be included in one parameter table, or may be included in two parameter tables, which is not limited in this application. In some embodiments, if more than two links are specified for P2P operations, the configured P2P parameter set includes more than two sets of parameters, each set indicating a P2P bitmap and a P2P interval on one link, respectively. Illustratively, the setting of the P2P parameter set is as shown in tables 4 to 6.

TABLE 4

TABLE 5

TABLE 6

3) If it is used

STA1 supports P2P operation, supports multilink operation and does not support STR mode;

or two sets of parameter sets (specifying two links, link1 and link2, for P2P operation), one set indicating for P2P bitmap and P2P interval on link1, one set indicating for P2P bitmap and P2P interval on link2, and the P2P bitmap and P2P interval of the two sets of parameter sets must be the same. Exemplarily, as shown in table 7.

TABLE 7

This is also the case for two sets of parameters in the present application, although in the form of a record, or set of parameters, the link identification column gives the identification of two links, and thus the two sets of parameters are considered to be merged. Exemplarily, as shown in table 8.

TABLE 8

4) If it is used

STA2 supports P2P operation, supports multilink operation and does not support STR mode;

or two sets of parameter sets (specifying two links, link1 and link2, performing a P2P operation), one set indicating for P2P bitmap and P2P interval on link1, one set indicating for P2P bitmap and P2P interval on link2, and the P2P bitmap and P2P interval of the two sets of parameter sets must be the same.

5) If it is not

or two sets of parameter sets (specifying two links, link1 and link2, for P2P operation), one set indicating for P2P bitmap and P2P interval on link1, one set indicating for P2P bitmap and P2P interval on link2, and the P2P bitmap and P2P interval of the two sets of parameter sets must be the same.

6) If it is used

STA1 supports P2P operation and does not support multilink operation;

STA2 supports P2P operation and supports multilink operation;

the configured P2P parameter set contains a set of parameters that contains the specified link and its corresponding P2P bitmap and P2P interval.

7) If it is not

STA1 supports P2P operation and supports multilink operation;

STA2 supports P2P operation and does not support multilink operation;

8) If it is not

STA1 supports P2P operation and does not support multilink operation;

STA2 supports P2P operation and does not support multilink operation;

In some embodiments, the method for setting the P2P interval in the parameter P2P parameter set comprises: the P2P interval occupied byte is set to a specific value, as in tables 3-8 above. It is also possible to set that the P2P interval does not occupy bytes, the value of which is equal to the total length of all slots in the P2P bitmap, i.e., the field P2P interval is not included, and the terminal calculates the value of the P2P interval according to the total length of all slots in the P2P bitmap.

And 5, the AP sends a trigger message to the STA1, wherein the message contains the parameter P2P parameter set, and sends a data bearing message to the STA2, wherein the data bearing message also contains the parameter P2P parameter set. The data-carrying message sent by the AP to STA2 may be a normal data frame, or may be an individual P2P operation indication message. Exemplarily, the STA1 has data to send to the STA2, and then sends a data frame including the parameter P2P option to the AP, after the AP sets the parameter P2P parameter set, the AP sends a trigger message to the STA1, and sends the received data to the STA2, and the data frame includes the parameter P2P parameter set.

In some embodiments, the P2P bitmap in the parameter P2P parameter set sent by the AP to STA2 is set to be the same as the P2P bitmap in the parameter P2P parameter set sent to STA 1. In some other embodiments, the time slot corresponding to the point-to-point transmission time slot in the P2P bitmap in the parameter P2P parameter set sent to STA2 and the point-to-point reception time slot in the P2P bitmap in the parameter P2P parameter set sent to STA1 is set as the point-to-point reception time slot, and the time slot corresponding to the point-to-point reception time slot in the P2P bitmap in the parameter P2P parameter set sent to STA1 is set as the point-to-point transmission time slot. Illustratively, the P2P bitmap in the parameter P2P parameter set sent to STA1 is set to {1110000002}, where 1 represents a peer-to-peer transmission timeslot, 0 represents a normal timeslot, and 2 represents a peer-to-peer reception timeslot, then the P2P bitmap in the parameter P2P parameter set sent to STA2 may be set to {1110000002}, or may be set to {2220000001}, when set to {1110000002}, STA2 needs to be notified to receive data sent by STA1 in the timeslot where 1 is located, and when data is sent to STA1 in the timeslot where 2 is located and is set to {2220000001}, STA2 only needs to know that 1 represents a peer-to-peer transmission timeslot, 0 represents a normal timeslot, and 2 represents a peer-to-peer reception timeslot.

The sta1 receives the message sent by the AP, and if the message includes the parameter P2P parameter set, transmits data according to the parameter P2P parameter set, including: the Link is viewed in the form of a Link,

6.1 if the Link indicated by the Link is a Link to which the STA1 is currently connected, according to the P2P bitmap corresponding to the Link, sending data to the peer terminal in the point-to-point sending timeslot on the Link indicated in the field Link, for example, sending data in the slot corresponding to the setting of "1".

6.2 if the Link indicated by the Link is not the Link currently connected to the STA1, the STA1 disconnects the current Link, establishes a connection on the Link indicated in the Link, and after the connection is established, sends data to the peer terminal in the point-to-point sending timeslot on the Link indicated in the field Link according to the P2P bitmap corresponding to the Link, illustratively, sends data in the slot corresponding to the setting of "1".

STA2 receives the message sent by the AP, and if the message contains the parameter P2P parameter set, transmits data according to the parameter P2P parameter set, and specifically comprises the following steps: looking at the Link, the Link is viewed,

7.1 if the Link indicated by Link is the Link currently connected by STA2, according to the P2P bitmap corresponding to the Link, the peer-to-peer sending timeslot on the Link indicated in the field Link sends data to the peer terminal, illustratively, receives data at the slot corresponding to the setting of "1".

7.2 if the Link indicated by the Link is not the Link currently connected by the STA2, the STA2 disconnects the current Link, establishes a connection on the Link indicated by the Link, and after the connection is established, sends data to the peer terminal in the point-to-point sending timeslot on the Link indicated by the field Link according to the P2P bitmap corresponding to the Link, for example, receives data in the slot corresponding to the setting of "1".

8. In addition, STA1 and STA2 may also set, according to the P2P bitmap corresponding to the Link, a slot corresponding to "0" on the Link indicated in the Link to transmit data to the AP or receive data transmitted by the AP.

During the P2P operation of STA1 and STA2, the ap does not allocate the slot for P2P in the P2P bitmap on the Link indicated in Link, that is, the slot indicated as "1" or "2" to other STAs for data transmission; in other words, only the slot indicated as "0" in the P2P bitmap is allocated to other STAs connected to the link to transmit data.

In some embodiments, the method for point-to-point communication using multiple links may further comprise the steps of:

and 10, after the STAT1 data transmission is finished, sending a P2P setup release message to the AP to request to release resources for point-to-point operation. In some embodiments, STA1 may also send a P2P setup release message to STA2 at the same time.

And 11. After receiving the P2P setup release message, the AP allocates the slot used for the P2P in the P2P bitmap, namely the slot indicated as '1' or '2', to any STA connected to the link to transmit data again.

An embodiment of the present application further provides an apparatus for performing peer-to-peer communication using multiple links, including: a data-bearing message sending module, configured to send a data-bearing message to the network access device, where the data-bearing message includes a source address, a destination address, and a P2P option, and the P2P option is used to indicate whether to use peer-to-peer operation; the system comprises a trigger message receiving module, a trigger message sending module and a resource allocation module, wherein the trigger message receiving module is used for receiving a trigger message sent by network access equipment, the trigger message comprises a parameter P2P parameter set, and the parameter P2P parameter set is used for indicating resources allocated to point-to-point operation; and the data sending module is used for transmitting data according to the parameter P2P parameter set.

Another apparatus for performing peer-to-peer communication using multiple links is provided in an embodiment of the present application, including: the system comprises a capability information receiving module, a capability information transmitting module and a capability information receiving module, wherein the capability information receiving module is used for receiving capability information transmitted by an initiating terminal and a peer-to-peer terminal, the capability information comprises parameters P2P mode, ML mode and STR mode, the parameter P2P mode is used for indicating whether the terminal supports point-to-point operation or not, the parameter ML mode is used for indicating whether the terminal supports multilink operation or not, and the parameter STR mode is used for indicating whether the terminal supports a simultaneous independent multilink transceiving mode or not; a first data-bearing message receiving module, configured to receive a first data-bearing message sent by an initiating terminal, where the first data-bearing message includes a source address, a destination address, and a P2P option, and the P2P option is used to indicate whether to use peer-to-peer operation; the parameter setting module is used for setting a parameter P2P parameter set according to the capability information of the initiating terminal and the peer terminal, wherein the parameter P2P parameter set is used for indicating resources allocated to point-to-point operation; a message sending module, configured to send a trigger message to the initiating terminal, where the trigger message includes a first parameter P2P parameter set; and sending a second data bearing message to the peer terminal, wherein the second data bearing message comprises a second parameter P2P parameter set.

The embodiment of the present application further provides an apparatus for establishing a peer-to-peer communication connection, which includes a memory for storing a program, and a processor coupled to the memory, where the processor is configured to execute the program, so that the apparatus performs the method according to the embodiment shown in fig. 1.

The embodiment of the present application further provides a computer-readable storage medium, which includes computer instructions, and when the computer instructions are executed by a processor, the method according to the embodiment shown in fig. 1 may be implemented.

It should be noted that, the apparatus and the computer-readable storage medium for establishing a peer-to-peer communication connection provided in the embodiment of the present application are configured to execute the method related to the embodiment shown in fig. 1, so that the same beneficial effects as those of the method related to the embodiment shown in fig. 1 can be achieved, and details of the embodiment of the present application are not repeated herein.

It should be understood that, in various embodiments of the present application, the sequence numbers of the foregoing processes do not imply an execution sequence, some or all of the steps may be executed in parallel or executed sequentially, and the execution sequence of each process should be determined by its function and inherent logic, and should not limit the implementation process of the embodiments of the present application.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling a computer device (which may be a personal computer, a server, a network device or a terminal device, etc.) to execute all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: u disk, removable hard disk, ROM, RAM) magnetic disk or optical disk, etc. on which various types of program codes can be stored.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. The character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

The word "if" or "if" as used herein may be interpreted as "at \8230; \8230when" or "when 8230; \823030, when" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (a stated condition or event)" may be interpreted as "upon determining" or "in response to determining" or "upon detecting (a stated condition or event)" or "in response to detecting (a stated condition or event)", depending on the context.

It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by instructing the relevant hardware through a program, which may be stored in a storage medium readable by a device and includes all or part of the steps when executed, such as: FLASH, EEPROM, etc.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1.A method for point-to-point communication using multiple links, the method comprising:

receiving capability information sent by an initiating terminal and a peer terminal, wherein the capability information comprises parameters P2P mode, ML mode and STR mode, the parameter P2P mode is used for indicating whether the terminal supports point-to-point operation, the parameter ML mode is used for indicating whether the terminal supports multilink operation, and the parameter STR mode is used for indicating whether the terminal supports a simultaneous independent multilink transceiving mode;

receiving a first data bearing message sent by an initiating terminal, wherein the first data bearing message comprises a source address, a target address and a parameter P2P option, and the parameter P2P option is used for indicating whether point-to-point operation is used;

setting a parameter P2P parameter set according to the capability information of the initiating terminal and the peer terminal, wherein the parameter P2P parameter set is used for indicating resources allocated to point-to-point operation, the parameter P2P parameter set comprises fields Link, P2P bitmap and P2Pinterval, the Link is used for indicating a specified Link, and the P2P bitmap is used for indicating the distribution condition of time slots in a time slot allocation period; the P2P interval is used for indicating a time slot allocation period;

sending a trigger message to the initiating terminal, wherein the trigger message contains a first parameter P2P parameter set;

and sending a second data bearing message to the peer terminal, wherein the second data bearing message comprises a second parameter P2P parameter set.

2. The method of claim 1, wherein setting the parameter P2P parameter set according to the capability information of the initiating terminal and the peer terminal comprises:

checking the capability information of the network access equipment, the initiating terminal and the peer-to-peer terminal;

if the initiating terminal and the peer terminal both support point-to-point operation and multilink operation, and at least one party does not support simultaneous independent multilink transceiving mode, the configured P2P parameter set comprises a set of parameter sets, the set of parameter sets comprises a specified link and a P2P bitmap and a P2P interval corresponding to the specified link, or comprises a plurality of sets of parameter sets, the plurality of sets of parameter sets comprises a plurality of specified links and a P2Pbitmap and a P2Pinterval corresponding to the plurality of links, and the P2P bitmap and the P2P interval corresponding to the plurality of links are the same;

if both the initiating terminal and the peer terminal support point-to-point operation and at least one of the two terminals does not support multilink operation, the configured P2P parameter set comprises a set of parameter sets, and the set of parameter sets comprises a specified link and the corresponding P2P bitmap and P2Pinterval thereof.

3. A method for point-to-point communication using multiple links according to claim 1 or 2, the method further comprising: setting the P2P interval as an independent parameter, or not setting the P2P interval as an independent parameter, and the value is equal to the total length of all slots in the P2P bitmap.

4. The method of claim 1, wherein the time slots in a slot allocation period comprise point-to-point time slots and normal time slots, and wherein the point-to-point time slots comprise point-to-point transmission time slots and/or point-to-point reception time slots.

5. The method of claim 4, wherein the method further comprises:

on the Link indicated in the field Link, the normal time slot specified in the P2P bitmap receives data transmitted by any terminal or transmits data to any terminal.

6. The method of claim 4, wherein the method further comprises:

and on the Link indicated in the field Link, the point-to-point time slot specified in the P2P bitmap is not allocated to other terminals for transmitting data.

7. The method of claim 4, further comprising:

and receiving a P2P setup release message sent by the initiating terminal, and allocating the point-to-point time slot specified in the P2P bitmap on the Link indicated in the field Link to any terminal connected to the Link to transmit data.

8. The method of claim 4, wherein the setting of the P2P bitmap in the second parameter P2P parameter set comprises:

setting the P2P bitmap in the second parameter P2P parameter set to be the same as the P2P bitmap in the first parameter P2P parameter set;

or, the time slot in the P2P bitmap in the second parameter P2P parameter set corresponding to the point-to-point sending time slot in the P2P bitmap in the first parameter P2P parameter set is set as the point-to-point receiving time slot, and the time slot in the P2P bitmap in the second parameter P2P parameter set corresponding to the point-to-point receiving time slot in the P2P bitmap in the first parameter P2P parameter set is set as the point-to-point sending time slot.

9.A method for point-to-point communication using multiple links, the method comprising:

sending a data bearing message to the network access equipment, wherein the data bearing message comprises a source address, a target address and a parameter P2P option, and the parameter P2P option is used for indicating whether point-to-point operation is used or not;

receiving a trigger message sent by network access equipment, wherein the trigger message comprises a parameter P2P parameter set, the parameter P2P parameter set is used for indicating resources allocated to point-to-point operation, the parameter P2P parameter set comprises fields Link, P2P bitmap and P2P interval, the Link is used for indicating a specified Link, and the P2Pbitmap is used for indicating the distribution condition of time slots in a time slot allocation cycle; the P2P interval is used for indicating a time slot allocation period;

data is transmitted according to the parameter P2P parameter set.

10. The method of claim 9, wherein the P2P interval is an independent parameter, or the P2P interval is not an independent parameter and has a value equal to the total length of all slots in the P2P bitmap.

11. The method of claim 9, wherein the time slots in a slot allocation period comprise point-to-point time slots and normal time slots, and wherein the point-to-point time slots comprise point-to-point transmission time slots and/or point-to-point reception time slots.

12. The method of claim 11, wherein transmitting data according to the parameter P2P parameter set comprises:

and according to the P2P bitmap corresponding to the Link, sending data to the peer terminal in the point-to-point sending time slot on the Link indicated in the field Link.

13. The method of claim 11, wherein transmitting data according to the parameter P2P parameter set comprises:

and disconnecting the connection of the current Link, establishing the connection on the Link indicated in the field Link, and after the connection is established, sending data to the peer terminal in the point-to-point sending time slot on the Link indicated in the field Link according to the P2P bitmap corresponding to the Link.

14. The method of claim 12 or 13, wherein transmitting data according to the parameter P2P parameter set further comprises:

and according to the P2P bitmap corresponding to the Link, sending data to the network access equipment or receiving the data sent by the network access equipment in the common time slot on the Link indicated in the field Link.

15. The method for peer-to-peer communication using multiple links according to claim 12 or 13, wherein transmitting data according to the parameter P2P parameter set further comprises:

and receiving the data sent by the peer terminal in the point-to-point receiving time slot on the Link indicated in the field Link according to the P2P bitmap corresponding to the Link.

16. The method of claim 9, further comprising:

and sending a P2P setup release message to the network access equipment to request to release resources for point-to-point operation.

17. The method of claim 9, further comprising:

and sending capability information to the network access equipment, wherein the capability information comprises parameters P2P mode, ML mode and STR mode, the parameter P2P mode is used for indicating whether the terminal supports point-to-point operation, the parameter ML mode is used for indicating whether the terminal supports multi-link operation, and the parameter STR mode is used for indicating whether the terminal supports a simultaneous independent multi-link transceiving mode.

18. An apparatus for peer-to-peer communication using multiple links, the apparatus comprising:

a data-bearing message sending module, configured to send a data-bearing message to the network access device, where the data-bearing message includes a source address, a destination address, and a P2P option, and the P2P option is used to indicate whether to use peer-to-peer operation;

a trigger message receiving module, configured to receive a trigger message sent by a network access device, where the trigger message includes a parameter P2P parameter set, the parameter P2P parameter set is used to indicate a resource allocated to a point-to-point operation, the parameter P2P parameter set includes fields Link, P2P bitmap, and P2Pinterval, the Link is used to indicate a specified Link, and the P2P bitmap is used to indicate a distribution situation of a timeslot in a timeslot allocation cycle; P2P interval is used to indicate the slot allocation period;

and the data sending module is used for transmitting data according to the parameter P2P parameter set.

19. An apparatus for point-to-point communication using multiple links, the apparatus comprising:

the system comprises a capability information receiving module, a capability information transmitting module and a capability information receiving module, wherein the capability information receiving module is used for receiving capability information transmitted by an initiating terminal and a peer-to-peer terminal, the capability information comprises parameters P2P mode, ML mode and STR mode, the parameter P2P mode is used for indicating whether the terminal supports point-to-point operation or not, the parameter ML mode is used for indicating whether the terminal supports multilink operation or not, and the parameter STR mode is used for indicating whether the terminal supports a simultaneous independent multilink transceiving mode or not;

a first data-bearing message receiving module, configured to receive a first data-bearing message sent by an initiating terminal, where the first data-bearing message includes a source address, a destination address, and a P2P option parameter, and the P2P option parameter is used to indicate whether to use peer-to-peer operation;

the parameter setting module is used for setting a parameter P2P parameter set according to the capability information of the initiating terminal and the peer terminal, wherein the parameter P2P parameter set is used for indicating resources allocated to point-to-point operation, the parameter P2P parameter set comprises fields Link, P2P bitmap and P2Pinterval, the Link is used for indicating a specified Link, and the P2P bitmap is used for indicating the distribution condition of time slots in a time slot allocation period; P2P interval is used to indicate the slot allocation period;

a message sending module, configured to send a trigger message to the initiating terminal, where the trigger message includes a first parameter P2P parameter set; and sending a second data bearing message to the peer terminal, wherein the second data bearing message comprises a second parameter P2P parameter set.

20. An apparatus for peer-to-peer communication using multiple links, the apparatus comprising:

a memory for storing a program;

a processor coupled to the memory, wherein the processor is configured to execute the program to cause an apparatus to perform the method for point-to-point communication using multilinks according to any one of claims 1 to 8.

21. An apparatus for peer-to-peer communication using multiple links, the apparatus comprising:

a memory for storing a program;

a processor coupled to the memory, wherein the processor is configured to execute the program to cause an apparatus to perform the method for point-to-point communication using multilinks according to any one of claims 9-17.

22. A computer readable storage medium comprising computer instructions which, when executed by a processor, perform a method for peer-to-peer communication using a multilink according to any one of claims 1 to 17.