WO2022226841A1 - 多连接下的通信方法和通信装置 - Google Patents

多连接下的通信方法和通信装置 Download PDF

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Publication number
WO2022226841A1
WO2022226841A1 PCT/CN2021/090644 CN2021090644W WO2022226841A1 WO 2022226841 A1 WO2022226841 A1 WO 2022226841A1 CN 2021090644 W CN2021090644 W CN 2021090644W WO 2022226841 A1 WO2022226841 A1 WO 2022226841A1
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Prior art keywords
connection
communication
message frame
communication method
station
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PCT/CN2021/090644
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English (en)
French (fr)
Inventor
董贤东
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202180001199.8A priority Critical patent/CN115606260A/zh
Priority to PCT/CN2021/090644 priority patent/WO2022226841A1/zh
Publication of WO2022226841A1 publication Critical patent/WO2022226841A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of wireless communication, and more particularly, to a communication method and communication device under multiple connections.
  • the current research scope of Wi-Fi technology is: 320MHz bandwidth transmission, aggregation and coordination of multiple frequency bands, etc. It is expected to increase the rate and throughput by at least four times compared with the existing standards.
  • the main application scenarios are: Video transmission, AR (Augmented Reality, augmented reality), VR (Virtual Reality, virtual reality), etc.
  • the aggregation and collaboration of multiple frequency bands refers to the simultaneous communication between devices in 2.4GHz, 5GHz, and 6GHz frequency bands.
  • a new MAC Media Access Control
  • a new MAC Media Access Control
  • the current multi-band aggregation and system technology will support a maximum bandwidth of 320MHz (160MHz+160MHz), and may also support 240MHz (160MHz+80MHz) and other bandwidths.
  • a station STA: Station
  • AP Access Point
  • MLD multi-link device
  • An exemplary embodiment according to the present disclosure provides a communication method under multiple connections.
  • the communication method can be applied to a station supporting multi-connection communication, and includes: determining a first message frame, the first message frame containing an information identification bit, wherein the information identification bit identifies the first in the multi-connection.
  • the connection is used for the station in the power saving state to communicate with the access point supporting multi-connection communication; and the first message frame is sent.
  • An exemplary embodiment according to the present disclosure provides a communication method under multiple connections.
  • the communication method can be applied to an access point supporting multi-connection communication, and includes: receiving a first message frame, the first message frame including an information identification bit, wherein the information identification bit identifies a
  • the first connection is used for the station in the power saving state to communicate with the access point supporting multi-connection communication; the communication operation is performed based on the first message frame.
  • An exemplary embodiment according to the present disclosure provides a multi-connection communication device.
  • the communication device can be applied to a site supporting multi-connection communication, and includes: a processing module configured to: determine a first message frame, where the first message frame includes an information identification bit, wherein the information identification bit identifies the The first connection in the multi-connection is used for the station in the power saving state to communicate with the access point supporting multi-connection communication; the transceiver module is configured to: send the first message frame.
  • An exemplary embodiment according to the present disclosure provides a multi-connection communication device.
  • the communication device can be applied to an access point supporting multi-connection communication, and includes: a transceiver module configured to: receive a first message frame, where the first message frame includes an information identification bit, wherein the information identification bit Identifying the first connection in the multi-connection is used for the station in the power saving state to communicate with the access point supporting multi-connection communication; the processing module is configured to: control the communication operation based on the first message frame.
  • the electronic device includes a memory, a processor, and a computer program stored on the memory and executable on the processor.
  • the processor executes the computer program to implement the method as described above.
  • a computer-readable storage medium is provided according to example embodiments of the present disclosure.
  • a computer program is stored on the computer-readable storage medium.
  • the computer program when executed by a processor, implements the method as described above.
  • the technical solutions provided by the exemplary embodiments of the present disclosure can reduce the interaction of signaling, so that a device in a power save (PS, power save) state can save more power.
  • FIG. 1 is an exemplary diagram illustrating a communication scenario under multiple connections.
  • FIG. 2 is a flowchart illustrating a communication method according to an example embodiment.
  • FIG. 3 is a flow diagram illustrating interactive communication according to an example embodiment.
  • FIG. 4 is a flowchart illustrating another communication method according to an example embodiment.
  • FIG. 5 is a block diagram illustrating a communication apparatus according to an example embodiment.
  • FIG. 1 is an exemplary diagram illustrating a communication scenario under multiple connections.
  • a basic service set may consist of an AP and one or more stations (STA) that communicate with the AP.
  • a basic service set can be connected to the distribution system DS (Distribution System) through its AP, and then connected to another basic service set to form an extended service set ESS (Extended Service Set).
  • DS Distribution System
  • ESS Extended Service Set
  • AP is a wireless switch for wireless network, and it is also the core of wireless network.
  • AP equipment can be used as a wireless base station, mainly used as a bridge for connecting wireless networks and wired networks. With this access point AP, wired and wireless networks can be integrated.
  • the AP may include software applications and/or circuitry to enable other types of nodes in the wireless network to communicate with the outside and inside of the wireless network through the AP.
  • the AP may be a terminal device or a network device equipped with a Wi-Fi (Wireless Fidelity, wireless fidelity) chip.
  • Wi-Fi Wireless Fidelity, wireless fidelity
  • a station may include, but is not limited to, cellular phones, smart phones, wearable devices, computers, personal digital assistants (PDAs), personal communication system (PCS) devices, personal information managers (PIMs), personal navigation Devices (PND), Global Positioning Systems, Multimedia Devices, Internet of Things (IoT) devices, etc.
  • PDAs personal digital assistants
  • PCS personal communication system
  • PIMs personal information managers
  • PND personal navigation Devices
  • IoT Internet of Things
  • the AP and STA described in the above embodiments may be devices supporting multiple connections, for example, may be represented as AP MLD and non-AP STA MLD, respectively.
  • AP MLD and non-AP STA MLD
  • exemplary embodiments of the present disclosure are not limited thereto.
  • an AP MLD may represent an access point supporting multi-connection communication
  • a non-AP STA MLD may represent a station supporting multi-connection communication
  • AP MLD can work under three connections, including three attached access points AP1, AP2 and AP3 as shown in Figure 1
  • non-AP STA MLD can also work under three connections, as shown in Figure 1
  • the three stations STA1, STA2 and STA3 are included as attached.
  • Link 1 to Link 3 may be multiple connections at different frequencies, for example, connections at 2.4GHz, 5GHz, 6GHz, etc. or several connections at 2.4GHz, 5GHz, 6GHz of the same or different bandwidths.
  • multiple channels can exist under each connection.
  • an AP MLD may be connected to a plurality of non-AP STA MLDs, or under each connection, an AP It is possible to communicate with multiple STAs (belonging to different non-AP STA MLDs).
  • the affiliated AP of the AP MLD can include the Basic Service Set Maximum Idle Period (BSS Max Idle Period) element in the Association Response (Association Response) frame or the Re-Association Response (Re-Association Response) frame
  • BSS Max Idle Period Basic Service Set Maximum Idle Period
  • Association Response Association Response
  • Re-Association Response Re-Association Response
  • the BSS The value carried in the Max Idle Period field in the Max Idle Period element may be MLD level.
  • AP MLD will use this timeout value to make the decision to disassociate.
  • An AP MLD can provide different BSS Max Idle Period values for different non-AP STA MLDs.
  • At least one STA of the non-AP STA MLD may transmit at least one keep alive frame (eg, data frame, power saving poll (PS) during idle period (eg, at each BSS Max Idle Period) -Poll) frame or management frame) to avoid disassociation of the non-AP STA MLD from the AP MLD due to the frame not being received by the AP MLD.
  • at least one keep alive frame eg, data frame, power saving poll (PS) during idle period (eg, at each BSS Max Idle Period) -Poll) frame or management frame
  • a non-AP STA MLD that is in a power saving state can wake up periodically, for example, by listening for beacon frames from the access point on one or more enabled links. Perform basic operations (eg, receive traffic indication, time synchronization, receive BSS parameter updates, etc.).
  • embodiments of the present disclosure provide a multi-connection communication method and communication device.
  • FIG. 2 is a flowchart illustrating a communication method according to an example embodiment.
  • the communication method shown in FIG. 2 can be applied to a station supporting multi-connection communication (non-AP STA MLD).
  • a first message frame may be determined, wherein the first message frame may include information identification bits.
  • the information identification bit may identify a first connection in the multi-connection for a station in a power saving state (non-AP STA MLD) to communicate with an access point supporting multi-connection communication.
  • the communication method shown in FIG. 2 may be performed in the non-AP STA MLD and the AP MLD associating or during the multi-link setup process.
  • the first message frame may be an association request frame, a reassociation request frame, or a multi-connection establishment message frame.
  • the communication method shown in FIG. 2 may be performed after the association or multi-connection establishment is completed.
  • the first message frame may be any type of management frame, data frame or control frame.
  • the multi-connection may be a plurality of connections (eg, Link1 to Link3 in FIG. 1 ) established for communication between a station that supports multi-connection communication and an access point that supports multi-connection communication.
  • connections eg, Link1 to Link3 in FIG. 1
  • the first connection may be used to cause the corresponding station to wake up at a listening interval to perform communication (eg, to listen for beacon frames broadcast by the access point), or the first connection may be used to send a message indicating that the station is in support of multiple A message frame in the coverage area of the access point connecting the communication (for example, sending a Keep alive frame).
  • the first connection may be referred to as a listening connection or a sending connection.
  • the information identification bit contained in the first message frame may refer to identification information of the station corresponding to the first connection, that is, the station in the power saving state can use the first connection identified by the information identification bit to communicate with the access point.
  • the first message frame may include a multi-connection information element (ML Element), the multi-connection information element may carry information related to multiple connections, and an information identification bit may be used to identify one of the connections (the first connection) Used to listen to the beacon frame broadcast by the access point or send the Keep alive frame (the Keep alive frame can identify the non-AP STA MLD is still in the coverage of the AP MLD).
  • ML Element multi-connection information element
  • the multi-connection information element may carry information related to multiple connections
  • an information identification bit may be used to identify one of the connections (the first connection) Used to listen to the beacon frame broadcast by the access point or send the Keep alive frame (the Keep alive frame can identify the non-AP STA MLD is still in the coverage of the AP MLD).
  • the multi-connection information element of the first message frame multiple information identification bits corresponding to multiple connections can be added, and when the information identification bit of one connection (the first connection) is set to a specific value (for example, "" 1”), identify the connection (the first connection) that can be used to communicate with the access point in a power-saving state, for example, listening to the beacon frame broadcast by the access point or sending a Keep alive frame, where the Keep alive frame Can be PS-Poll frames or other forms of action frames.
  • a specific value for example, "" 1”
  • the information identification bits of one connection are described here, the present disclosure is not limited thereto, for example, the first message frame may contain more information identification bits to identify more connections for being in a power saving state
  • the station listens for or sends Keep alive frames.
  • the first message frame may be generated according to at least one of the following conditions: network conditions, load conditions, and hardware capabilities of the sending/receiving device , service type, and relevant protocol provisions; there is no specific limitation on this embodiment of the present disclosure.
  • the first message frame may also be acquired from an external device, which is not specifically limited in this embodiment of the present disclosure.
  • the information identification bit corresponding to the first connection can be determined, that is, to determine which connection among the multiple connections can be used for the station to communicate with the access point in the power saving state, Details will be described later with reference to FIG. 3 .
  • a first message frame may be sent.
  • a first message frame may be sent to the access point to inform the access point that the first connection is used to perform communication in a power saving state.
  • the first message frame may be sent under any connection in the multiple connections or under the first connection, which is not specifically limited in the present disclosure.
  • FIG. 3 is a flow diagram illustrating interactive communication according to an example embodiment.
  • the station (non-AP STA MLD) supporting multi-connection communication can obtain (or receive) the transmission period and/or the beacon frame under each connection of the access point supporting multi-connection communication. time slot.
  • the non-AP STA MLD may determine the first connection based on the obtained transmission period and/or time slot, and will be described later. A detailed description is made in step S330.
  • a non-AP STA MLD may receive a beacon frame or a probe response frame from an access point, wherein the received beacon frame or probe response frame may include a The interval (BI, beacon interval) and/or time slot of the beacon frame broadcast by the APs under each connection of the same AP MLD.
  • the interval (BI) of the AP's broadcast beacon frame under each connection may represent the transmission period of the beacon frame under the corresponding connection
  • the time slot of the AP's broadcast beacon frame under each connection may represent the corresponding connection The transmission time of the next beacon frame.
  • the time slots under each connection can be offset (offset) by reducing the neighbor report information element (RNRE, Reduced Neighbor Report element) or the target beacon transmission time (TBTT: Target Beacon Transmission Time) in the multi-connection information element. to identify.
  • RRE neighbor report information element
  • TBTT Target Beacon Transmission Time
  • the non-AP STA MLD may send a listening interval (LI, listen interval) and/or a maximum idle period (maximum idle period) to the AP MLD.
  • the listening interval and/or the maximum idle period may be carried in a probe request frame, an association request frame, or a reassociation request frame.
  • the maximum idle period transmitted by the non-AP STA MLD may be less than or equal to the value of the maximum idle period defined by the AP MLD in the maximum idle period element.
  • step S320 may be omitted, and may be combined with a later step S330, ie, the first message frame sent in step S330 may carry a listening interval and/or a maximum idle period.
  • the LI or maximum idle period of a non-AP STA MLD may be MLD-level, i.e., stations attached to the same non-AP STA MLD have the same LI or maximum idle period. Stations attached to the same non-AP STA MLD carry LI and/or maximum idle period under one connection.
  • the station will determine a connection to listen to the beacon frame or send the Keepalive frame in combination with its own LI or maximum idle period, that is, determine the first connection. a connection.
  • the period in which the access point sends the beacon frame under different connections may be the same or different, and the time slot for sending the beacon frame is different under different connections, when the non-AP STA MLD obtains in step S310 each connection
  • the transmission period and/or time slot of the beacon frame can be compared with its listening interval or idle period to determine the listening connection or the sending connection (first connection). For example, the connection with the smallest time among the multiple connections may be determined as the first connection, where the smallest time represents the smallest time between the listening interval or the idle period and the transmission period and/or the time slot.
  • the non-AP STA MLD may obtain (determine) the time to send the beacon frame under each connection according to the transmission period and/or time slot of the beacon frame under each connection obtained in step S310, and then Compare the determined time under each connection with the wakeup time (listening interval) or the time to send the Keepalive frame (maximum idle period). If under one connection, the wakeup time (listening interval) or the time to send the Keepalive frame If the time (maximum idle period) is the smallest from the time to send the beacon frame, the connection can be determined to be a listening connection or a sending connection.
  • the period of the broadcast beacon frame of AP1 under Link1 is BI1, and the time slot is TS1; the period of the broadcast beacon frame of AP2 under Link2 is BI2, and the time slot is TS2; AP3 is under Link3
  • the period of the broadcast beacon frame is BI3, the time slot is TS3; the listening interval corresponding to STA1 to STA3 is LI, and the maximum idle period is MI.
  • BI1, BI2 and BI3 may be compared with LI, or compared with MI, and the smallest among the comparison results
  • the connection corresponding to the time is determined to be a listening connection or a sending connection (the first connection); or when the non-AP STA MLD obtains TS1, TS2 and TS3 in step S310, BI1, BI2 and BI3 can be compared with LI, or It is compared with the MI, and the connection corresponding to the smallest time in the comparison result is determined to be a listening connection or a sending connection.
  • the station determines the listening connection or the sending connection (the first connection) according to the transmission period and/or time slot of the beacon frame under each connection and its own listening interval or idle period, the corresponding non-AP STA MLD Stations can wake up in time to listen for beacon frames in a power-saving state, or send keep alive frames in time to avoid disconnecting from the access point.
  • the listening connection or the sending connection (the first connection) is determined based on the "minimum time" in the comparison result, but the present disclosure is limited to this, for example, other suitable The condition to determine the listening connection or the sending connection (the first connection).
  • the information identification bit corresponding to the first connection may be carried in the first message frame, and the first message frame is sent to the access point in step S330.
  • the embodiment regarding the information identification bit may be similar to the embodiment described in step 210 of FIG. 2 , and repeated descriptions are omitted here to avoid redundancy.
  • the non-AP STA MLD may receive the second message frame.
  • the second message frame may include identification information of other connections different from the first connection recommended by the access point.
  • the non-AP STA MLD may determine other connections recommended by the access point as the first connection (listening connection or sending connection). That is, after receiving the first message frame carrying the information identification bit of the first connection in step 330, the access point may recommend other information based on the received information and other factors (eg, its own load) The connection is used as a listening connection or a sending connection (the first connection), and its identification information is carried in the second message frame to be sent to the non-AP STA MLD.
  • step 340 may be omitted, in which case the access point may accept the listening connection or send the connection determined by the station.
  • FIG. 4 is a flowchart illustrating another communication method according to an example embodiment.
  • the communication method shown in FIG. 4 can be applied to an access point (AP MLD) supporting multi-connection communication.
  • AP MLD access point
  • a first message frame may be received, and the first message frame may include information identification bits, wherein the information identification bits may identify the first connection in the multi-connection for the station in the power saving state and the multi-connection communication support access point for communication.
  • the embodiment regarding the information identification bit may be similar to the embodiment described in step 210 of FIG. 2 , and repeated descriptions are omitted here to avoid redundancy.
  • the first connection may be used to cause the corresponding station to wake up at a listening interval to perform communication, or the first connection may be used to transmit a message frame identifying that the station is within coverage of an access point supporting multi-connection communication.
  • a communication operation may be performed based on the first message frame.
  • the access point may use the first connection identified by the information identification bit of the first message frame to communicate with the station in the power saving state; or, the access point may determine whether the first connection is acceptable based on the information identification bit, When unacceptable, other connections may be recommended to the site.
  • the communication method shown in FIG. 4 is only exemplary and not limiting of the present disclosure.
  • the communication method described in FIG. 4 may further include the communication operation performed by the AP MLD in FIG. 3 .
  • the communication method described in FIG. 4 may further include: transmitting information including the transmission period and/or time slot of the beacon frame under each connection of the access point (S310), in this case, the first connection is Stations are determined based on transmission periods and/or time slots.
  • the first connection is determined by the station according to the transmission period and/or the time slot in combination with the listening interval or the idle period.
  • the first connection is the connection with the smallest time among the multiple connections, wherein the smallest time represents the smallest time between the listening interval or the idle period and the transmission period and/or the time slot.
  • determining the first connection reference may be made to the detailed description in FIG. 3 , and repeated descriptions are omitted here for brevity.
  • the communication method shown in FIG. 4 may further include: recommending other connections different from the first connection as the first connection based on the information identification bit and the load information of the access point (S340).
  • the AP MLD may determine a connection that listens for a beacon frame or sends a Keep alive frame according to the load information of the access point. For example, if the corresponding AP has a relatively high load under the first connection determined by the non-AP STA MLD, then the AP MLD may not accept the first connection, but recommend other connections according to the load situation, for example, reduce the load Connections are recommended as listening for connections or sending connections.
  • the AP MLD may determine a connection that listens for a beacon frame or sends a Keep alive frame according to the load information of the access point. For example, if the corresponding AP has a relatively high load under the first connection determined by the non-AP STA MLD, then the AP MLD may not accept the first connection, but recommend other connections according to the load situation, for example, reduce the load Connections
  • the broadcast period (BI) of the beacon frames of APs attached to each connection in an AP MLD may be the same or different, but the time slots of its broadcast are different; non-
  • the AP STA MLD can obtain the broadcast period and/or time slot of the AP under each connection through a beacon frame or a probe response frame during the multi-connection establishment process (association process).
  • the LI or maximum idle period of a non-AP STA MLD is MLD-level, and stations attached to the same non-AP STA MLD will carry the LI and maximum idle period under one connection element. Further, the station will determine a connection that listens to the beacon frame or sends the Keep alive frame according to the above-mentioned receiving period and/or time slot of the beacon frame of different APs, combined with its own LI or maximum idle period information.
  • the connection with the smallest LI or maximum idle period from the beacon frame sending interval can be used as the listening connection or the sending connection of the Keep alive frame, for example, in the association process (multi-connection establishment process ), an information identification bit may be added to the multi-connection information element to identify the connection as a listening connection/sending connection.
  • the AP can accept the listening connection/sending connection determined by the station according to the received information (the information identification bit of the listening connection/sending connection) and its own load reason, or the AP can also recommend other connections.
  • the listening connection/sending connection recommended by the access point and the listening connection/sending connection determined by the station may be the same or different.
  • the above-described exemplary embodiment can be completed in the association process (multi-connection establishment process), or the station and the access point can negotiate again after the association process (multi-connection establishment process) is completed.
  • FIG. 5 is a block diagram illustrating a communication apparatus 500 according to an example embodiment.
  • the communication apparatus 500 may include a processing module 510 and a transceiver module 520 .
  • the communication apparatus 500 shown in FIG. 5 may be applied to a station (non-AP STA MLD) supporting multi-connection communication or an access point (AP MLD) supporting multi-connection communication.
  • a station non-AP STA MLD
  • AP MLD access point
  • the processing module 510 may be configured to: determine a first message frame, and the first message frame includes an information identification bit, wherein the information identification bit identifies multiple The first connection in the connection is used for the station in the power saving state to communicate with the access point supporting multi-connection communication; the transceiver module 520 may be configured to: send the first message frame. That is to say, the communication apparatus 500 may perform the communication method described with reference to FIG. 2 , and in addition, may also perform the operations performed by the non-AP STA MLD in FIG. 3 , and repeated descriptions are omitted here for brevity.
  • the transceiver module 520 may be configured to: receive a first message frame, where the first message frame includes an information identification bit, wherein the information identification bit identifies the The first connection is used for the station in the power saving state to communicate with the access point supporting multi-connection communication; the processing module 510 may be configured to: control the communication operation based on the first message frame. That is, the communication apparatus 500 can perform the communication method described with reference to FIG. 4 , and in addition, can also perform the operations performed by the AP MLD in FIG. 3 , and repeated descriptions are omitted here for brevity.
  • the communication apparatus 500 shown in FIG. 5 is only exemplary, and embodiments of the present disclosure are not limited thereto, for example, the communication apparatus 500 may further include other modules, such as a memory module and the like. Furthermore, the various modules in the communication apparatus 500 may be combined into more complex modules, or may be divided into more separate modules.
  • the communication method and the communication apparatus according to the embodiments of the present disclosure can reduce the interaction of signaling, so that the device in the PS state is more power-saving.
  • the embodiment of the present disclosure further provides an electronic device, the electronic device includes a processor and a memory; wherein, the memory stores machine-readable instructions (or may referred to as a "computer program"); a processor for executing machine-readable instructions to implement the methods described with reference to FIGS. 2 to 4 .
  • the electronic device includes a processor and a memory; wherein, the memory stores machine-readable instructions (or may referred to as a "computer program"); a processor for executing machine-readable instructions to implement the methods described with reference to FIGS. 2 to 4 .
  • Embodiments of the present disclosure also provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method described with reference to FIG. 2 to FIG. 4 is implemented.
  • a processor may be used to implement or execute various exemplary logical blocks, modules and circuits described in connection with the present disclosure, for example, a CPU (Central Processing Unit, central processing unit), general processing device, DSP (Digital Signal Processor, data signal processor), ASIC (Application Specific Integrated Circuit, application-specific integrated circuit), FPGA (Field Programmable Gate Array, Field Programmable Gate Array) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
  • a processor may also be a combination that implements computing functions, such as a combination comprising one or more microprocessors, a combination of a DSP and a microprocessor, and the like.
  • the memory may be, for example, ROM (Read Only Memory), RAM (Random Access Memory), EEPROM (Electrically Erasable Programmable Read Only Memory) Read memory), CD-ROM (Compact Disc Read Only Memory, CD-ROM) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.), magnetic disk storage media or other magnetic A storage device, or any other medium that can be used to carry or store program code in the form of instructions or data structures and that can be accessed by a computer, without limitation.
  • ROM Read Only Memory
  • RAM Random Access Memory
  • EEPROM Electrically Erasable Programmable Read Only Memory
  • CD-ROM Compact Disc Read Only Memory
  • CD-ROM Compact Disc Read Only Memory
  • optical disc storage including compact disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.
  • magnetic disk storage media or other magnetic A storage device, or any other medium that can be used to carry or store program code in the form of instructions or data structures and that can

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Abstract

本公开提供一种多连接下的通信方法和通信装置。所述通信方法可以包括：确定第一消息帧，所述第一消息帧包含信息标识位，其中，所述信息标识位标识所述多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；发送所述第一消息帧。本公开的示例实施例提供的技术方案更有利于省电。

Description

多连接下的通信方法和通信装置 技术领域
本公开涉及无线通信领域，更具体地说，涉及多连接下的通信方法和通信装置。
背景技术
目前的Wi-Fi技术所研究的范围为：320MHz的带宽传输、多个频段的聚合及协同等，期望能够相对于现有的标准提高至少四倍的速率以及吞吐量，其主要的应用场景为视频传输、AR(Augmented Reality，增强现实)、VR(Virtual Reality，虚拟现实)等。
多个频段的聚合及协同是指设备间同时在2.4GHz、5GHz及6GHz等的频段下进行通信，对于设备间同时在多个频段下通信需要定义新的MAC(Media Access Control，介质访问控制)机制来进行管理。此外，还期望多频段的聚合及协同能够支持低时延传输。
目前多频段的聚合及系统技术中将支持的最大带宽为320MHz(160MHz+160MHz)，此外还可能会支持240MHz(160MHz+80MHz)及其它带宽。
在目前的技术中，站点(STA：Station)和接入点(AP：Access Point)可以是多连接设备(MLD：multi-link device)，即，支持在同一时刻能够在多连接下同时发送和/或接收的功能。因此，在目前的技术中，STA与AP之间可以存在多个连接，并且正在对这两种设备在多连接下的通信进行研究。
发明内容
本公开的各方面将至少解决上述问题和/或缺点。本公开的各种实施例提供以下技术方案：
根据本公开的示例实施例提供一种多连接下的通信方法。所述通信方法可以应用于支持多连接通信的站点，并且包括：确定第一消息帧，所述第一消息帧包含信息标识位，其中，所述信息标识位标识所述多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；发送所述第一消息帧。
根据本公开的示例实施例提供一种多连接下的通信方法。所述通信方法可以应用于支持多连接通信的接入点，并且包括：接收第一消息帧，所述第一消息帧包含信息标识位，其中，所述信息标识位标识所述多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；基于所述第一消息帧执行通信操作。
根据本公开的示例实施例提供一种多连接下的通信装置。所述通信装置可以应用于支持多连接通信的站点，并且包括：处理模块，被配置为：确定第一消息帧，所述第一消息帧包含信息标识位，其中，所述信息标识位标识所述多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；收发模块，被配置为：发送所述第一消息帧。
根据本公开的示例实施例提供一种多连接下的通信装置。所述通信装置可以应用于支持多连接通信的接入点，并且包括：收发模块，被配置为：接收第一消息帧，所述第一消息帧包含信息标识位，其中，所述信息标识位标识所述多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；处理模块，被配置为：基于所述第一消息帧控制通信操作。
根据本公开的示例实施例提供了一种电子装置。所述电子装置包括存储器、处理器及存储在所述存储器上并在所述处理器上可运行的计算机程序。所述处理器执行所述计算机程序时实现如上所述的方法。
根据本公开的示例实施例提供了一种计算机可读存储介质。所述计算机可读存储介质上存储有计算机程序。该计算机程序被处理器执行时实现如上所述的方法。
本公开的示例实施例提供的技术方案能够减小信令的交互，使得处于省电(PS，power save)状态的设备更加省电。
附图说明
通过参照附图详细描述本公开的示例实施例，本公开实施例的上述以及其他特征将更加明显，其中：
图1是示出多连接下的通信场景的示例性示图。
图2是示出根据示例实施例的通信方法的流程图。
图3是示出根据示例实施例的交互通信的流程图。
图4是示出根据示例实施例的另一通信方法的流程图。
图5是示出根据示例实施例的通信装置的框图。
具体实施方式
提供以下参照附图的描述，以帮助全面理解由所附权利要求及其等同物限定的本公开的各种实施例。本公开的各种实施例包括各种具体细节，但是这些具体细节仅被认为是示例性的。此外，为了清楚和简洁，可以省略对公知的技术、功能和构造的描述。
在本公开中使用的术语和词语不限于书面含义，而是仅被发明人所使用，以能够清楚和一致的理解本公开。因此，对于本领域技术人员而言，提供本公开的各种实施例的描述仅是为了说明的目的，而不是为了限制的目的。
应当理解，除非上下文另外清楚地指出，否则这里使用的单数形式“一”、“一个”、“所述”和“该”也可以包括复数形式。应该进一步理解的是，本公开中使用的措辞“包括”是指存在所描述的特征、整数、步骤、操作、元件和/或组件，但是并不排除存在或添加一个或多个其他特征、整数、步骤、操作、元件、组件和/或它们的组。
将理解的是，尽管术语“第一”、“第二”等在本文中可以用于描述各种元素，但是这些元素不应受这些术语的限制。这些术语仅用于将一个元素与另一个元素区分开。因此，在不脱离示例实施例的教导的情况下，下面讨论的第一元素可以被称为第二元素。
应该理解，当元件被称为“连接”或“耦接”到另一元件时，它可以直接连接或耦接到其他元件，或者也可以存在中间元件。此外，这里使用 的“连接”或“耦接”可以包括无线连接或无线耦接。这里使用的术语“和/或”或者表述“……中的至少一个/至少一者”包括一个或多个相关列出的项目的任何和所有组合。
除非另外定义，这里使用的所有术语(包括技术术语和科学术语)，具有与本公开所属领域中的普通技术人员的一般理解相同的意义。
图1是示出多连接下的通信场景的示例性示图。
在无线局域网中，一个基本服务集(BSS)可以由AP以及与AP通信的一个或多个站点(STA)构成。一个基本服务集可以通过其AP连接到分配系统DS(Distribution System)，然后再接入到另一个基本服务集，构成扩展的服务集ESS(Extended Service Set)。
AP是用于无线网络的无线交换机，也是无线网络的核心。AP设备可以用作无线基站，主要是用来连接无线网络及有线网络的桥接器。利用这种接入点AP，可以整合有线及无线网络。
AP可以包括软件应用和/或电路，以使无线网络中的其他类型节点可以通过AP与无线网络外部及内部进行通信。在一些示例中，作为示例，AP可以是配备有Wi-Fi(Wireless Fidelity，无线保真)芯片的终端设备或网络设备。
作为示例，站点(STA)可以包括但不限于：蜂窝电话、智能电话、可穿戴设备、计算机、个人数字助理(PDA)、个人通信系统(PCS)设备、个人信息管理器(PIM)、个人导航设备(PND)、全球定位系统、多媒体设备、物联网(IoT)设备等。
在本公开的示例实施例中，上述实施例中描述的AP和STA可以是支持多连接的设备，例如，可以被分别表示为AP MLD和non-AP STA MLD。为了便于描述，在下文中，主要描述一个AP MLD与一个non-AP STA MLD在多连接下进行通信的示例，然而，本公开的示例实施例不限于此。
在图1中，仅作为示例性的，AP MLD可以表示支持多连接通信的接入点，non-AP STA MLD可以表示支持多连接通信的站点。参照图1，AP MLD可以工作在三个连接下，如图1所示包括附属的三个接入点AP1、AP2和AP3，non-AP STA MLD也可以工作在三个连接下，如图1所示包括附属的三个站点STA1、STA2和STA3。在图1的示例中，假设AP1与STA1通过对应的第一连接 Link 1进行通信，类似地，AP2和AP3分别通过第二连接Link 2和第三连接Link3与STA2和STA3进行通信。此外，Link 1至Link 3可以是不同频率下的多个连接，例如，2.4GHz、5GHz、6GHz下的连接等或2.4GHz、5GHz、6GHz下的几个相同或不同带宽的连接。此外，在每个连接下可以存在多个信道。然而，应该理解的是，图1所示的通信场景仅是示例性的，本发明构思不限于此，例如，AP MLD可以连接到多个non-AP STA MLD，或者在每个连接下，AP可以与多个STA(属于不同的non-AP STA MLD)进行通信。
在多连接建立期间，如果AP MLD的附属AP可以在关联响应(Association Response)帧或重关联响应(Re-Association Response)帧中包括基本服务集最大空闲周期(BSS Max Idle Period)元素，则BSS Max Idle Period元素中的Max Idle Period域中携带的值可以是MLD级别的。例如，AP MLD将使用该超时值做出取消关联的决定。一个AP MLD可以为不同的non-AP STA MLD提供不同的BSS Max Idle Period值。在此情况下，non-AP STA MLD的至少一个STA可以在空闲期(例如，在每个BSS Max Idle Period)发送至少一个保持连接(Keep alive)帧(例如，数据帧、节能轮询(PS-Poll)帧或管理帧)，以避免由于AP MLD未接收到帧而导致non-AP STA MLD与AP MLD取消关联。
此外，在节能模式下，处于省电状态的non-AP STA MLD可以定期醒来，例如，通过在一个或多个已启用连接(enabled link)上侦听来自接入点的信标帧，来执行基本操作(例如，接收通信指示(traffic indication)、时间同步、接收BSS参数更新等)。
然而，在现有技术中，缺乏在省电状态下确定至少一个连接来侦听信标帧或者发送Keep alive帧的方法。有鉴于此，本公开的实施例提供了一种多连接下的通信方法和通信装置。
图2是示出根据示例实施例的通信方法的流程图。图2所示的通信方法可以应用于支持多连接通信的站点(non-AP STA MLD)。
参照图2，在步骤210中，可以确定第一消息帧，其中，第一消息帧可以包含信息标识位。根据示例实施例，该信息标识位可以标识多连接中的第一连接用于处于省电状态的站点(non-AP STA MLD)与支持多连接通信的接入点进行通信。
根据本公开的实施例，图2所示的通信方法可以是在non-AP STA MLD 与AP MLD进行关联或者多连接建立(multi-link setup)过程中执行的。在此情况下，第一消息帧可以是关联请求帧、重关联请求帧或者多连接建立消息帧。
根据本公开的实施例，图2所示的通信方法可以是在关联或者多连接建立完成之后执行的，在此情况下，第一消息帧可以是任意类型的管理帧、数据帧或控制帧。
根据示例实施例，多连接可以是在支持多连接通信的站点与支持多连接通信的接入点之间建立的用于通信的多个连接(例如，图1中的Link1至Link3)。
根据示例实施例，第一连接可以用于使得相应站点按照侦听间隔苏醒以执行通信(例如，侦听接入点广播的信标帧)，或者第一连接可以用于发送标识站点处于支持多连接通信的接入点的覆盖范围中的消息帧(例如，发送Keep alive帧)。在下文中，为了便于描述，第一连接可以被称为侦听连接或发送连接。
第一消息帧中包含的信息标识位可以指与第一连接对应的站点的标识信息，即，处于省电状态的站点可以利用该信息标识位所标识的第一连接与接入点进行通信。例如，第一消息帧可以包括多连接信息元素(ML Element)，在多连接信息元素中可以携带与多个连接有关的信息，并且可以利用信息标识位来标识其中的一个连接(第一连接)用于侦听接入点广播的信标帧或者发送Keep alive帧(该Keep alive帧可以标识non-AP STA MLD还处于AP MLD的覆盖范围)。
例如，在第一消息帧的多连接信息元素中，可以增加与多个连接分别对应的多个信息标识位，当一个连接(第一连接)的信息标识位被设置为特定值(例如，“1”)时，标识该连接(第一连接)可以用于在省电状态下与接入点进行通信，例如，侦听接入点广播的信标帧或者发送Keep alive帧，其中Keep alive帧可以为PS-Poll帧或其他的形式的动作帧。
虽然在此描述了一个连接(第一连接)的信息标识位，但是本公开不限于此，例如，第一消息帧可以包含更多信息标识位，以标识更多个连接用于处于省电状态的站点侦听或发送Keep alive帧。
在本公开的实施例中，确定第一消息帧的方式可以有很多种，例如：可以根据以下的至少一种情况来生成第一消息帧：网络情况、负载情况、发送/接收设备的硬件能力、业务类型、相关协议规定；对此本公开实施例不作具体限制。在本公开的实施例中，还可以从外部设备获取该第一消息帧，对此本公开实施例不作具体限制。
更具体地，在确定第一消息帧时，可以确定与第一连接对应的信息标识位，即，确定多个连接中的哪个连接可以用于站点在省电状态下与接入点进行通信，稍后将参照图3进行详细描述。
继续参照图2，在步骤220中，可以发送第一消息帧。例如，可以将第一消息帧发送到接入点，从而告知接入点信息第一连接用于在省电状态下执行通信。可以在多连接中的任意连接下或者在第一连接下发送第一消息帧，对此本公开不做具体限制。
通过向接入点发送携带有侦听连接或发送连接(第一连接)的信息标识位的第一消息帧，可以减少信令交互，从而有利于节能。
图3是示出根据示例实施例的交互通信的流程图。
参照图3，在步骤S310中，支持多连接通信的站点(non-AP STA MLD)可以获得(或接收)支持多连接通信的接入点的各个连接下的信标帧的发送周期和/或时隙。在获得了AP MLD的各个连接下的信标帧的发送周期和/或时隙的情况下，non-AP STA MLD可以基于获得的发送周期和/或时隙，确定第一连接，稍后将在步骤S330中进行详细描述。
例如，在多连接建立过程(关联过程)中，non-AP STA MLD可以从接入点接收信标帧或探测响应(probe response)帧，其中，接收到的标帧或探测响应帧可以包括附属于同一AP MLD的每个连接下的AP广播信标帧的间隔(BI，beacon interval)和/或时隙。根据示例实施例，每个连接下的AP广播信标帧的间隔(BI)可以表示相应连接下的信标帧的发送周期，每个连接下的AP广播信标帧的时隙可以表示相应连接下的信标帧的发送时间。作为一个示例，各个连接下的时隙可以通过精简邻居报告信息元素(RNRE，Reduced Neighbor Report element)或多连接信息元素中的目标信标传输时间(TBTT：Target Beacon Transmission Time)偏移(offset)来标识。
在步骤S320中，在多连接建立过程(关联过程)中，non-AP STA MLD 可以向AP MLD发送侦听间隔(LI，listen interval)和/或最大空闲周期(maximum idle period)。例如，可以在探测请求(probe request)帧、关联请求帧或重关联请求帧中携带侦听间隔和/或最大空闲周期。根据示例实施例，non-AP STA MLD发送的最大空闲周期可以小于或等于AP MLD在最大空闲周期元素中定义的最大空闲周期的值。
通过步骤S310和步骤S320，non-AP STA MLD和AP MLD可以在多连接建立过程(关联过程)中协商省电状态下的通信方式。根据本公开的示例实施例，可以省略步骤S320，并且可以将步骤S320与稍后的步骤S330合并，即，步骤S330中发送的第一消息帧可以携带侦听间隔和/或最大空闲周期。
在关联过程中，non-AP STA MLD的LI或最大空闲周期可以是MLD级的，即，附属于同一non-AP STA MLD的站点具有相同的LI或最大空闲周期。附属于同一non-AP STA MLD的站点会在一个连接下携带LI和/或最大空闲周期。站点会根据上述步骤S310中接收到的不同AP的信标帧的发送周期或时隙，结合自身的LI或最大空闲周期，确定侦听信标帧或发送Keep alive帧的一个连接，即，确定第一连接。
接入点在不同的连接下发送信标帧的周期可以相同也可以不同，而发送信标帧的时隙在不同连接下是不同的，当non-AP STA MLD在步骤S310中获得各个连接下的信标帧的发送周期和/或时隙时，可以将各个连接下的信标帧的发送周期和/或时隙与其侦听间隔或空闲周期进行比较，来确定侦听连接或发送连接(第一连接)。例如，可以将多连接中的具有最小时间的连接确定为第一连接，其中，最小时间表示：侦听间隔或空闲周期距离发送周期和/或时隙的最小时间。
根据示例实施例，non-AP STA MLD可以根据在步骤S310中获得各个连接下的信标帧的发送周期和/或时隙，来获得(确定)在各个连接下发送信标帧的时间，然后将确定的各个连接下的时间与苏醒时间(侦听间隔)或发送Keep alive帧的时间(最大空闲周期)进行比较，如果在一个连接下，苏醒时间(侦听间隔)或发送Keep alive帧的时间(最大空闲周期)距离发送信标帧的时间最小，则该连接可以被确定为侦听连接或发送连接。参照图1进行描述，例如，AP1在Link1下的广播信标帧的周期为BI1，时隙为TS1；AP2 在Link2下的广播信标帧的周期为BI2，时隙为TS2；AP3在Link3下的广播信标帧的周期为BI3，时隙为TS3；STA1至STA3对应的侦听间隔为LI，最大空闲周期为MI。在一个实施例中，当non-AP STA MLD在步骤S310中获得BI1、BI2和BI3时，可以将BI1、BI2和BI3与LI进行比较，或者将其与MI进行比较，将比较结果中的最小时间对应的连接确定为侦听连接或发送连接(第一连接)；或者当non-AP STA MLD在步骤S310中获得TS1、TS2和TS3时，可以将BI1、BI2和BI3与LI进行比较，或者将其与MI进行比较，将比较结果中的最小时间对应的连接确定为侦听连接或发送连接。
通过站点根据各个连接下的信标帧的发送周期和/或时隙，并结其自身的侦听间隔或空闲周期确定侦听连接或发送连接(第一连接)，non-AP STA MLD的相应站点可以在省电状态下及时苏醒以侦听信标帧，或者及时发送Keep alive帧以避免与接入点的关联断开。
虽然在上述实施例中，描述了基于比较结果中的“最小时间”来确定侦听连接或发送连接(第一连接)，然而本公开限制于此，例如，还可以根据比较结果，选择其他合适的条件来确定侦听连接或发送连接(第一连接)。
当non-AP STA MLD确定了第一连接时，可以将与第一连接对应的信息标识位携带在第一消息帧中，并且在步骤S330中向接入点发送第一消息帧。关于信息标识位的实施例可以类似于图2的步骤210中描述的实施例，在此省略重复的描述以避免冗余。
在步骤340中，non-AP STA MLD可以接收第二消息帧。根据实施例，第二消息帧可以包括接入点推荐的不同于第一连接的其他连接的标识信息。在此情况下，non-AP STA MLD可以将接入点推荐的其他连接确定为第一连接(侦听连接或发送连接)。也就是说，接入点在步骤330中接收到携带有第一连接的信息标识位的第一消息帧之后，可以根据接收到的信息以及其他因素(例如，其自身的负载情况)，推荐其他连接作为侦听连接或发送连接(第一连接)，并且将其标识信息携带在第二消息帧中，以发送给non-AP STA MLD。通过将接入点推荐的其他连接作为第一连接，可以增加系统的灵活性，并且更有利于实现接入点和站点省电。然而，本公开不限于此，例如，可以省略步骤340，在此情况下，接入点可以接受站点确定的侦听 连接或发送连接。
图4是示出根据示例实施例的另一通信方法的流程图。图4所示的通信方法可以应用于支持多连接通信的接入点(AP MLD)。
在步骤410中，可以接收第一消息帧，第一消息帧可以包含信息标识位，其中，信息标识位可以标识多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信。关于信息标识位的实施例可以类似于图2的步骤210中描述的实施例，在此省略重复的描述以避免冗余。
根据示例实施例，第一连接可以用于使得相应站点按照侦听间隔苏醒以执行通信，或者第一连接可以用于发送标识站点处于支持多连接通信的接入点的覆盖范围中的消息帧。
在步骤420中，可以基于第一消息帧执行通信操作。例如，接入点可以利用第一消息帧的信息标识位所标识的第一连接，与处于省电状态的站点进行通信；或者，接入点可以基于信息标识位确定第一连接是否可以接受，在不可接受时，可以向站点推荐其他连接。
将理解，图4所示的通信方法仅是示例性的，而不是对本公开的限制。例如，图4所述的通信方法还可以包括图3中的由AP MLD执行的通信操作。
例如，图4所述的通信方法还可以包括：发送包括接入点的各个连接下的信标帧的发送周期和/或时隙的信息(S310)，在此情况下中，第一连接是站点基于发送周期和/或时隙确定的。例如，第一连接是站点根据发送周期和/或时隙并结合侦听间隔或空闲周期确定的。根据实施例，第一连接是多连接中的具有最小时间的连接，其中，最小时间表示：侦听间隔或空闲周期距离发送周期和/或时隙的最小时间。关于确定第一连接的实施例可以参照图3中的详细描述，为了简明，在此省略重复描述。
例如，图4所述的通信方法还可以包括：基于信息标识位以及接入点的负载信息，推荐不同于第一连接的其他连接作为第一连接(S340)。根据实施例，AP MLD可以根据接入点的负载信息，确定一个侦听信标帧或发送Keep alive帧的连接。例如，如果在non-AP STA MLD所确定的第一连接下，相应的AP具有较高的负载，那么AP MLD可以不接受第一连接，而是根据负载情况推荐其他连接，例如，将负载小的连接推荐为侦听连接 或发送连接。通过接入点根据负载信息推荐其他连接，可以避免接入点的负载不均衡导致的通信阻塞。
根据本公开的示例实施例，附属于一个AP MLD中的每个连接下的AP的信标帧的广播周期(BI)可能相同，也可能不同，但是其广播的时隙是不同的；non-AP STA MLD可以在多连接建立的过程中(关联过程)中，通过信标帧或探测响应帧获得每个连接下AP的广播周期和/或时隙。
根据本公开的示例实施例，在关联过程中，non-AP STA MLD的LI或maximum idle period是MLD级的，附属于同一non-AP STA MLD的站点会在一个连接下携带LI及maximum idle period元素。更进一步地，站点会根据上述接收到的不同AP的信标帧的发送周期和/或时隙，结合自身的LI或maximum idle period信息，确定侦听信标帧或发送Keep alive帧的一个连接。具体地，在多个连接之中，具有LI或maximum idle period距离信标帧发送间隔最小的时间的连接可以作为侦听连接或Keep alive帧的发送连接，例如，在关联过程(多连接建立过程)中，可以在多连接信息元素中添加一个信息标识位，标识该连接为侦听连接/发送连接。
根据本公开的示例实施例，AP根据接收到的信息(侦听连接/发送连接的信息标识位)及其自身负载原因，可以接受站点确定的侦听连接/发送连接，或者，AP也可以推荐其他的连接。换言之，接入点推荐的侦听连接/发送连接与站点确定的侦听连接/发送连接可以相同，也可以不同。
以上描述的示例实施例，可以在关联过程(多连接建立过程)中完成，也可以在关联过程(多连接建立过程)完成之后，站点与接入点再进行协商。
图5是示出根据示例实施例的通信装置500的框图。参照图5，通信装置500可以包括处理模块510和收发模块520。
图5所示的通信装置500可以应用于支持多连接通信的站点(non-AP STA MLD)或者支持多连接通信的接入点(AP MLD)。
在图5所示的通信装置500应用于non-AP STA MLD的情况下，处理模块510可以被配置为：确定第一消息帧，第一消息帧包含信息标识位，其中，信息标识位标识多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；收发模块520可以被配置为：发送第一消 息帧。也就是说，通信装置500可以执行参照图2所描述的通信方法，此外，还可以执行图3中由non-AP STA MLD执行的操作，为了简明，在此省略重复的描述。
在图5所示的通信装置500应用于AP MLD的情况下，收发模块520可以被配置为：接收第一消息帧，第一消息帧包含信息标识位，其中，信息标识位标识多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；处理模块510可以被配置为：基于第一消息帧控制通信操作。也就是说，通信装置500可以执行参照图4所描述的通信方法，此外，还可以执行图3中由AP MLD执行的操作，为了简明，在此省略重复的描述。
此外，图5所示的通信装置500仅是示例性的，本公开的实施例不限于此，例如，通信装置500还可以包括其他模块，例如，存储器模块等。此外，通信装置500中的各个模块可以组合成更复杂的模块，或者可以划分为更多单独的模块。
根据本公开的实施例的通信方法和通信装置能够减小信令的交互，使得处于PS状态的设备更加省电。
基于与本公开的实施例所提供的方法相同的原理，本公开的实施例还提供了一种电子装置，该电子装置包括处理器和存储器；其中，存储器中存储有机器可读指令(也可以称为“计算机程序”)；处理器，用于执行机器可读指令以实现参照图2至图4描述的方法。
本公开的实施例还提供了一种计算机可读存储介质，该计算机可读存储介质上存储有计算机程序，计算机程序被处理器执行时实现参照图2至图4描述的方法。
在示例实施例中，处理器可以是用于实现或执行结合本公开内容所描述的各种示例性的逻辑方框、模块和电路，例如，CPU(Central Processing Unit，中央处理器)、通用处理器、DSP(Digital Signal Processor，数据信号处理器)、ASIC(Application Specific Integrated Circuit，专用集成电路)、FPGA(Field Programmable Gate Array，现场可编程门阵列)或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。处理 器也可以是实现计算功能的组合，例如包含一个或多个微处理器组合、DSP和微处理器的组合等。
在示例实施例中，存储器可以是，例如，ROM(Read Only Memory，只读存储器)、RAM(Random Access Memory，随机存取存储器)、EEPROM(Electrically Erasable Programmable Read Only Memory，电可擦可编程只读存储器)、CD-ROM(Compact Disc Read Only Memory，只读光盘)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的程序代码并能够由计算机存取的任何其他介质，但不限于此。
应该理解的是，虽然附图的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，其可以以其他的顺序执行。此外，附图的流程图中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，其执行顺序也不必然是依次进行，而是可以与其他步骤或者其他步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
虽然已经参照本公开的某些实施例示出和描述了本公开，但是本领域技术人员将理解，在不脱离本公开的范围的情况下，可以在形式和细节上进行各种改变。因此，本公开的范围不应被限定为受限于实施例，而是应由所附权利要求及其等同物限定。

Claims (16)

  1. 一种多连接下的通信方法，应用于支持多连接通信的站点，所述通信方法包括：
    确定第一消息帧，所述第一消息帧包含信息标识位，其中，所述信息标识位标识所述多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；
    发送所述第一消息帧。
  2. 根据权利要求1所述的通信方法，其中，所述通信方法还包括：
    获得支持多连接通信的接入点的各个连接下的信标帧的发送周期和/或时隙；
    基于所述发送周期和/或时隙，确定所述第一连接。
  3. 根据权利要求2所述的通信方法，其中，所述的确定所述第一连接，包括：
    结合所述站点的侦听间隔或空闲周期，来确定所述第一连接。
  4. 根据权利要求3所述的通信方法，其中，所述的确定所述第一连接，包括：
    将所述多连接中的具有最小时间的连接确定为第一连接，
    其中，所述最小时间表示：所述侦听间隔或所述空闲周期距离所述发送周期和/或时隙的最小时间。
  5. 根据权利要求1至4中的任一项所述的通信方法，其中，所述第一连接用于使得相应站点按照所述侦听间隔苏醒以执行通信，或者所述第一连接用于发送标识所述站点处于所述接入点的覆盖范围中的消息帧。
  6. 根据权利要求1所述的通信方法，还包括：
    接收第二消息帧，其中，所述第二消息帧包括所述接入点推荐的不同于所述第一连接的其他连接的标识信息；
    将所述接入点推荐的所述其他连接确定为所述第一连接。
  7. 一种多连接下的通信方法，应用于支持多连接通信的接入点，所述通信方法包括：
    接收第一消息帧，所述第一消息帧包含信息标识位，其中，所述信息标识位标识所述多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；
    基于所述第一消息帧执行通信操作。
  8. 根据权利要求7所述的通信方法，其中，所述通信方法还包括：
    发送包括所述接入点的各个连接下的信标帧的发送周期和/或时隙的信息，
    其中，所述第一连接是所述站点基于所述发送周期和/或时隙确定的。
  9. 根据权利要求8所述的通信方法，其中，所述第一连接是所述站点结合其侦听间隔或空闲周期确定的。
  10. 根据权利要求9所述的通信方法，其中，所述第一连接是所述多连接中的具有最小时间的连接，
    其中，所述最小时间表示：所述侦听间隔或所述空闲周期距离所述发送周期和/或时隙的最小时间。
  11. 根据权利要求7至10中的任一项所述的通信方法，其中，所述第一连接用于使得相应站点按照所述侦听间隔苏醒以执行通信，或者所述第一连接用于发送标识所述站点处于支持多连接通信的接入点的覆盖范围中的消息帧。
  12. 根据权利要求7所述的通信方法，还包括：
    基于所述信息标识位以及所述接入点的负载信息，推荐不同于所述第一连接的其他连接作为所述第一连接。
  13. 一种多连接下的通信装置，应用于支持多连接通信的站点，所述通信装置包括：
    处理模块，被配置为：确定第一消息帧，所述第一消息帧包含信息标识位，其中，所述信息标识位标识所述多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；
    收发模块，被配置为：发送所述第一消息帧。
  14. 一种多连接下的通信装置，应用于支持多连接通信的接入点，所述通信装置包括：
    收发模块，被配置为：接收第一消息帧，所述第一消息帧包含信息标识位，其中，所述信息标识位标识所述多连接中的第一连接用于处于省电状态的站点与支持多连接通信的接入点进行通信；
    处理模块，被配置为：基于所述第一消息帧控制通信操作。
  15. 一种电子装置，包括存储器、处理器及存储在所述存储器上并在所述处理器上可运行的计算机程序，其中，所述处理器执行所述计算机程序时实现权利要求1至6中的任一项或者权利要求7至12中的任一项所述的方法。
  16. 一种计算机可读存储介质，其中，所述计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现权利要求1至6中的任一项或者权利要求7至12中的任一项所述的方法。
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