WO2023179731A1 - Procédé de mise en veille/réveil et dispositif électronique - Google Patents

Procédé de mise en veille/réveil et dispositif électronique Download PDF

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Publication number
WO2023179731A1
WO2023179731A1 PCT/CN2023/083477 CN2023083477W WO2023179731A1 WO 2023179731 A1 WO2023179731 A1 WO 2023179731A1 CN 2023083477 W CN2023083477 W CN 2023083477W WO 2023179731 A1 WO2023179731 A1 WO 2023179731A1
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WIPO (PCT)
Prior art keywords
wake
sleep
service
data
state
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PCT/CN2023/083477
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English (en)
Chinese (zh)
Inventor
郭凡
施莱伯奥弗
张利
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华为技术有限公司
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Publication of WO2023179731A1 publication Critical patent/WO2023179731A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4432—Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server

Definitions

  • the present application relates to the field of communication technology, and in particular, to a sleep wake-up method and electronic equipment.
  • Wireless screen projection technology is becoming more and more widely used.
  • a smartphone and a smart TV are connected through wireless communication methods such as wireless fidelity (Wi-Fi)
  • Wi-Fi wireless fidelity
  • the user can cast the content on the smartphone to the smart TV for display.
  • P2P point-to-point
  • GO group owner
  • GC group client
  • a request will be actively sent to GO to trigger GO to send downlink data to the GC.
  • GO does not sleep at all.
  • Embodiments of the present application disclose a sleep and wake-up method and an electronic device, which can avoid the situation that the device cannot sleep when there is no data to be transmitted, that is, allow the device to sleep in a timely and effective manner and reduce the power consumption of the device.
  • embodiments of the present application provide a sleep wake-up method, applied to a first device.
  • the method includes: generating first sleep wake-up information according to the service characteristics of the first service, and the first sleep wake-up information is used to indicate The sleep wake-up situation of the first device in each time slice in the sleep wake-up cycle, the first sleep wake-up information indicates that the first device is in the wake-up state in the first time slice in the sleep wake-up cycle; At the preset time of the first time slice, detect whether the data of the first service is cached; when it is detected that the first data of the first service is cached, send the data to the second device in the wake-up state. the first data; when it is detected that the data of the first service is not cached, enter or remain in a sleep state.
  • the first device can determine whether it is in the sleep state or awake based on the data cache situation of the first service at the preset time of the first time slice. status, that is to say, it is not limited to the indication of the first sleep wake-up information.
  • the first device can dynamically adjust the sleep wake-up situation based on the actual situation of the first service to avoid the situation where data transmission is not performed but is still in the wake-up state, so that the first device The device is put to sleep in a timely and effective manner, which greatly reduces the power consumption of the first device.
  • the method further includes: after sending the first data to the second device, entering the sleep state.
  • the first device after the first device sends the first data to the second device in the wake-up state, it can enter the sleep state, further increasing the sleep duration of the first device and reducing the power consumption of the first device.
  • the preset time of the first time slice is the starting time of the first time slice.
  • the first device may cache the data of the first service at the starting moment of the first time slice. It is determined that it is in the sleep state or the wake-up state in the first time slice, that is to say, the first device can dynamically adjust the sleep and wake-up situation based on the original time dimension, reducing processing difficulty and reducing processing resources, thereby further reducing the power consumption of the first device .
  • the first time slice includes multiple sub-time slices, and the preset time of the first time slice is the starting time of the first sub-time slice in the first time slice,
  • the first sub-time slice is any one of the plurality of sub-time slices.
  • the first device may divide the first time slice into multiple sub-time slices, and at the starting moment of each sub-time slice, determine whether the sub-time slice is in the dormant state or based on the data caching situation of the first service. Arousal state. This refines the granularity of sleep wake-up scheduling, can better adapt to changes in the first service and link, increases the probability of the first device going to sleep, and further reduces the power consumption of the first device.
  • the first device includes a communication module; the wake-up state is a state in which the communication module can send data and receive data; the sleep state is a state in which the communication module cannot send data and cannot The state of receiving data, or the sleep state is a state in which the communication module can receive data but cannot send data.
  • the communication module is a wireless fidelity Wi-Fi system-on-chip SoC
  • the wake-up state is the working state of the Wi-Fi SoC
  • the sleep state is the deep sleep state of the Wi-Fi SoC (i.e., the communication The module cannot send data and cannot receive data) or light sleep state (that is, the communication module can receive data but cannot send data).
  • the sleep state is a state in which the communication module can receive data but cannot send data.
  • the method further includes: when in the sleep state, receiving a message sent by the second device. the first information; enter the wake-up state, and perform data transmission with the second device in the wake-up state.
  • the first device can enter a sleep state that only receives but does not transmit (such as the light sleep state of the Wi-Fi SoC).
  • this sleep state the first device can receive the first message sent by the second device.
  • the device wakes up quickly and performs data transmission with the second device in the wake-up state. That is to say, even if the first device enters the sleep state to reduce power consumption, the first device can wake up at any time to transmit data, taking into account the low latency and low latency of the business.
  • the low power consumption of the equipment can better adapt to changes in primary services and link interactions, resulting in higher product availability.
  • the sleep state is a state in which the communication module can receive data but cannot send data.
  • the method further includes: when in the sleep state, detecting that the first service The second data reaches the cache area of the first device; enters the wake-up state, and sends the second data to the second device in the wake-up state.
  • the first device can enter a sleep state that only receives but does not transmit (such as the light sleep state of the Wi-Fi SoC).
  • the first device can detect the arrival of the data of the first service. Wake up quickly and send the data of the first service to the second device in the wake-up state. That is to say, even if it enters the sleep state to reduce power consumption, the first device can wake up at any time to transmit data, taking into account the low latency of the service. And the low power consumption of the equipment can better adapt to changes in primary services and link interactions, and product availability is higher.
  • the sleep wake-up cycle includes N time slices, where N is an integer greater than 2, the first sleep wake-up information includes first indication information of the second time slice, and the second time slice A slice is any one of the N time slices, and the first indication information is used to indicate that the first device is in the wake-up state or the sleep state in the second time slice.
  • the first sleep wake-up information is a bitmap
  • the first indication information is a bit included in the first sleep wake-up information.
  • detecting whether the data of the first service is cached at a preset time of the first time slice includes: when the first service is a preset service, at At the preset time of the first time slice, it is detected whether the data of the first service is cached.
  • the preset service is that the service data arrives at the first device in a fixed period. services in the cache area; the method further includes: when the first service is not the preset service, entering or maintaining the wake-up state at the starting moment of the first time slice.
  • the first device may not be limited to the indication of the first sleep wake-up information, but may perform sleep wake-up based on the actual situation of the first service. Scheduling. For other services, the first device may directly schedule sleep wake-up based on the indication of the first sleep wake-up information. It can be understood that it is to choose a sleep wake-up solution that is more suitable for the current business according to the business situation, providing better overall performance and higher product availability.
  • the present application provides an electronic device, including: one or more processors and one or more memories; wherein the one or more memories are coupled to the one or more processors, and the one or more memories Used to store computer program code.
  • the computer program code includes computer instructions.
  • the electronic device When the one or more processors execute the computer instructions, the electronic device causes the electronic device to execute any implementation provided by the first aspect of the embodiment of the present application. Sleep wake-up method.
  • the present application provides a computer storage medium that includes computer instructions.
  • the computer instructions When the computer instructions are run on an electronic device, the electronic device causes the electronic device to perform sleep wake-up provided by any implementation of the first aspect of the embodiment of the present application. method.
  • the present application provides a computer program product.
  • the electronic device causes the electronic device to execute the sleep wake-up method provided by any implementation of the first aspect of the embodiment of the present application.
  • this application provides an electronic device, including one or more functional modules; the one or more functional modules are used to execute the sleep wake-up method provided by any implementation of the first aspect of the embodiment of this application.
  • embodiments of the present application provide an electronic device, which includes executing the method or device described in any embodiment of the present application.
  • the electronic device is, for example, a chip.
  • Figure 1A is a schematic architectural diagram of a distributed system provided by an embodiment of the present application.
  • Figure 1B is an architectural schematic diagram of another distributed system provided by an embodiment of the present application.
  • Figure 2 is a schematic diagram of a sleep wake-up schedule provided by an embodiment of the present application.
  • Figure 3 is a time domain schematic diagram of sleep wake-up provided by an embodiment of the present application.
  • Figure 4 is a schematic diagram of the hardware structure of an electronic device provided by an embodiment of the present application.
  • Figure 5 is a schematic diagram of the software architecture of an electronic device provided by an embodiment of the present application.
  • Figure 6 is a schematic flowchart of a sleep wake-up method provided by an embodiment of the present application.
  • Figure 7 is another time domain schematic diagram of sleep wake-up provided by the embodiment of the present application.
  • Figure 8 is a schematic flowchart of a sleep wake-up method provided by an embodiment of the present application.
  • FIG. 9 is another time domain schematic diagram of sleep wake-up provided by an embodiment of the present application.
  • first and second are used for descriptive purposes only and shall not be understood as implying or implying relative importance or implicitly specifying the quantity of indicated technical features. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the embodiments of this application, unless otherwise specified, “plurality” The meaning is two or more.
  • a multi-screen collaboration function (also called a multi-device collaboration function) is provided, which can support applications and services for multi-device collaboration, such as multi-screen collaboration, information sharing, etc.
  • the user can cast the content on the smartphone to the screen of the smart TV for display.
  • the smartphone and the smart TV can communicate through wireless fidelity (Wi-Fi), etc.
  • Wireless communication method connects and transmits video streams, which can be referred to as wireless screen projection.
  • the smartphone is the source of wireless screen projection
  • the smart TV is the receiver of wireless screen projection.
  • Wireless screen projection can be arranged at any time, does not require perforated wiring, and is user-friendly.
  • distributed services applications or services that rely on the collaborative work of multiple devices are collectively referred to as distributed services.
  • supporting distributed services requires connecting multiple electronic devices such as mobile phones, display screens, and tablets together to achieve one-to-one or one-to-many connections between multiple devices, or even many-to-many connections, that is, multiple devices Internet, so that distributed services can run collaboratively in multiple electronic devices.
  • Distributed services include, but are not limited to, wireless screen projection, extended reality (XR), etc.
  • XR services can include virtual reality (VR), augmented reality (AR) and mixed reality (mixed reality, MR), etc.
  • P2P point-to-point
  • the access point AP caches downlink data. After the station (station, STA) finishes sleeping, it will actively send a request to the AP to trigger the AP to send downlink data to the STA. data.
  • Specific implementations in the 802.11 protocol may include the situation where the AP periodically broadcasts the AP's buffer area in beacon frames. The STA wakes up at the beginning of the fixed beacon frame according to the listening interval (listen interval) to listen to the beacon frames broadcast by the AP.
  • the STA listens to the beacon frame and determines from the beacon frame that the AP caches the STA's data, it can send a request to the AP, otherwise it sleeps. After receiving the request, the AP can send downlink data to the STA.
  • the AP and STA can interact with video frames (such as I frames/P frames) periodically (the period is, for example, 16.7 milliseconds (ms)).
  • the above P2P technology can be understood as a central node-based scheduling method, in which the AP serves as the central node to maintain the connections of multiple STAs.
  • the AP can be called the group owner (GO)
  • the STA can be called the group client (GC).
  • P2P technology is not suitable for many-to-many network topologies, and GO does not sleep at all. GC sleeps with a small probability based on the Beacon cycle (for example, 100ms), resulting in high device power consumption.
  • Embodiments of the present application provide a sleep and wake-up method that can be applied to any electronic device in a distributed system, and can save the power consumption of the device as much as possible without affecting normal business interaction.
  • the distributed system may be a one-to-one connection or a one-to-many connection system, such as a distributed system based on P2P. See Figure 1A for a specific example.
  • Figure 1A illustrates an architectural schematic diagram of a distributed system.
  • the distributed system 10 may include an electronic device 101, an electronic device 102 and an electronic device 103.
  • Figure 1A takes the electronic device 101 and the electronic device 102 as a mobile phone and the electronic device 103 as a tablet computer for illustration.
  • the electronic device 103 may be a GO
  • both the electronic device 101 and the electronic device 102 may be a GC.
  • a GO can correspond to one GC or multiple GCs, that is, the relationship between GO and GC can be one-to-one or one-to-many.
  • the electronic device 103 can perform distributed services with the electronic device 101 or can also perform distributed services with the electronic device 102 .
  • the distributed system may be a one-to-one connection, a one-to-many connection, or a many-to-many connection system.
  • devices discover each other based on wireless communication methods such as Bluetooth and Wi-Fi, establish connections with the discovered devices, and then negotiate link information to establish Wi-Fi direct communication with each other through the established communication channel. Based on this link information Realize Wi-Fi direct communication between devices to form a distributed system.
  • the relationship between devices can be one-to-one, one-to-many, or many-to-many.
  • the roles of each device in the established distributed system are equal. In this way, distributed services can be coordinated between any devices, and distributed services will not be restricted due to role issues.
  • An example of a distributed system can be seen in Figure 1B.
  • Figure 1B exemplarily shows an architectural diagram of yet another distributed system.
  • distributed system 10 may include electronic device 104 , electronic device 105 , and electronic device 106 .
  • 1B takes the electronic device 104 as a mobile phone, the electronic device 105 as a display screen, and the electronic device 106 as smart glasses as an example for illustration. Any two devices among the electronic device 104, the electronic device 105 and the electronic device 106 can be connected and communicated through wireless communication methods.
  • the wireless communication methods include, but are not limited to, Bluetooth, Wi-Fi, and near field communication technology.
  • NFC ultra wide band
  • UWB ultra wide band
  • infrared technology infrared, IR
  • cellular communication network etc.
  • Cellular communication networks include, but are not limited to, 2G, 3G, 4G, 5G, 6G, etc.
  • Distributed services can be coordinated between any devices. As shown in Figure 1B, distributed services can be performed between any two of the electronic device 104, the electronic device 105 and the electronic device 106. For example, between the electronic device 104 and the electronic device 105 Wireless screen projection is performed between electronic devices 104 and 106, XR services are performed between electronic devices 104 and 106, and information sharing is performed between electronic devices 105 and 106, that is, there is no role conflict.
  • the electronic device 104 may broadcast a discovery message through a Bluetooth channel, and the discovery message is used to discover one or more devices, such as the electronic device 105 and/or the electronic device 106 .
  • the electronic device 105 may send a response message to the electronic device 104 for the discovery message.
  • the electronic device 104 receives the response message and can establish a Bluetooth connection with the electronic device 105 according to the response message.
  • other devices can also establish Bluetooth connections with the electronic device 104.
  • the electronic device 104 After the electronic device 104 establishes a Bluetooth connection with each device, it can negotiate to establish a Wi-Fi direct connection. Communication link information, and establish Wi-Fi direct communication with each other based on the link information, thereby forming a distributed system 10.
  • source STA source STA
  • sink STA sink STA
  • the sleep wake-up method provided by the embodiments of this application can be applied to a variety of scenarios, such as but not limited to the following scenarios:
  • Scenario 1 also known as the keep-alive scenario, is that there is no interaction of business data between multiple interconnected devices. For example, multiple devices are connected to form a distributed system. However, currently, the devices in the distributed system have no business that needs to be performed, so there is naturally no need for data interaction between devices. In this case, any device in the distributed system can be in a sleep state to save power consumption as much as possible. It should be understood that even if the device is in a dormant state, the link between the devices remains connected, so that the devices can maintain some data (that is, keep-alive data) interaction, such as the interaction of small traffic delay-insensitive data. It will affect the normal operation of the equipment room.
  • some data that is, keep-alive data
  • Scenario 2 also called a business scenario, involves the interaction of business data between multiple interconnected devices.
  • the smartphone is the source of wireless screen projection
  • the smart TV is the receiver of wireless screen projection.
  • the smartphone can cast the screen or share files to the smart TV.
  • each device can be scheduled independently according to the specific service form of each device in the distributed system, such as ongoing or not, so that each device can be scheduled without affecting the service delay throughput.
  • the device goes to sleep as much as possible to save power consumption.
  • Scenario 3 is also called a business burst scenario, that is, sudden business occurs between multiple interconnected devices.
  • each device in the distributed system can be flexibly scheduled so that burst service data can be transmitted as quickly as possible without affecting the sleep of the entire distributed system.
  • embodiments of the present application can define the minimum sleep wake-up time (unit) in the time dimension, for example, in A time slot of 16ms (a time slot in this application may also be called a time slice) is the minimum sleep wake-up time, and N minimum sleep wake-up times are used as the sleep wake-up period, where N is an integer greater than 2.
  • Embodiments of the present application can also establish a sleep wake-up schedule (the sleep wake-up schedule in this application may also be called sleep wake-up information).
  • the sleep wake-up schedule can be used to indicate the sleep wake-up time of any device in the distributed system, for example, sleep wake-up time
  • the wake-up schedule is a bitmap of size 1*N, where N is the number of time slots included in the sleep wake-up cycle.
  • Application examples of the sleep-wake schedule are as follows:
  • the devices on both sides of the data transmission link can dynamically negotiate the sleep and wake-up schedule based on the traffic characteristics of the distributed service.
  • the specific process can include: First, multiple devices in the distributed system can perform time synchronization. For example, multiple devices in the distributed system can perform time synchronization.
  • the time of the master device in the device is used as a benchmark for synchronization, and the time axis is set to a time slice sequence with 16ms as the minimum unit.
  • the time slice sequence includes multiple time slices, and the length of one time slice is the minimum
  • the unit is 16ms, and the time slice in this application is the above-mentioned time slot.
  • each device can independently schedule its own sleep and wake-up strategy according to the connection and business status, and use a bitmap to identify whether it is a sleep state or a working state in each time slice (the working state in this application can also be called the wake-up state) , it can be understood that each device can independently establish its own sleep wake-up schedule, and choose to be in sleep state or working state in each time slice. Actively perform distributed services (data transmission) based on the sleep wake-up schedule, without sending a request in advance to trigger the other party to send data. Compared with the above-mentioned P2P, it can reduce the signaling overhead between devices and improve the efficiency of data transmission, and The probability of the device sleeping is higher, thus reducing the power consumption of the device.
  • the following embodiment uses the sleep wake-up schedule to indicate the sleep wake-up time of the source STA that performs distributed services as an example for explanation.
  • Figure 2 exemplarily shows a schematic diagram of a sleep wake-up schedule.
  • Figure 2 takes the sleep wake-up schedule as a bitmap as an example to illustrate.
  • a sleep wake-up cycle can include 32 time slots (slots): slot1, slot2,..., slot32, where each time slot is 16ms.
  • the bitmap can include 32 bits, and these 32 bits correspond to the above 32 time slots on the timeline. There is a value for any bit in the bitmap. When the value is 1, it indicates that the source STA is in the working state in the time slot corresponding to the bit and can send and receive data normally; when the value is 0, it indicates the source STA. The time slot corresponding to this bit is in sleep state and cannot send data. For example, the values of the corresponding bits from slot1 to slot4 are all 1, so the source STA is in working status from slot1 to slot4. The values of the corresponding bits from slot5 to slot32 are all 0, so the source STA is in sleep state from slot5 to slot32.
  • the electronic device when the electronic device is in a working state, it can send and receive data normally; when the electronic device is in a dormant state, it cannot send data and optionally cannot receive data.
  • the above-mentioned working state or sleep state is the state of the wireless communication module used for data transmission (eg, distributed services).
  • Wi-Fi chips of electronic devices such as system on chip (SoC)
  • SoC system on chip
  • the working state of the Wi-Fi chip is the working state of the above-mentioned electronic device.
  • the light sleep state and deep sleep state of the Wi-Fi chip belong to the sleep state of the above-mentioned electronic device.
  • the electronic device When the electronic device is in the light sleep state, it can receive data but Unable to send data; when the electronic device is in deep sleep, it cannot send or receive data.
  • Figure 3 exemplarily shows a time domain schematic diagram of sleep wake-up.
  • Figure 3 takes the sleep wake-up schedule as the bitmap shown in Figure 2 as an example for illustration.
  • Figure 3 takes the data arrival cycle of the distributed service as 16.67ms as an example for illustration.
  • the data arrival cycle is the cycle in which the data packets of the distributed service arrive at the buffer area (buffer) of the source end.
  • Figure 3 illustrates this by taking the start time of the sleep wake-up cycle and the data arrival cycle to be the same as an example.
  • the data arrival cycle of distributed services is 16.67ms, that is, starting from the starting time t 0 , distributed service data arrives in the buffer of the source STA every 16.67ms.
  • the distributed service data packet arrives at the buffer of the source STA, and the difference between t 3 and t 0 is 16.67ms.
  • the source STA since in the bitmap of the source STA that performs distributed services, the bit corresponding to slot1 has a value of 1, so at the starting time of slot1 t 0 , the source STA wakes up to be in the working state. Since at t 0 There is data to be transmitted in the buffer, so the source STA can transmit the data. At t 1 , the source STA ends transmitting data. Since the value of the bit corresponding to slot2 in the bitmap is 1, at the starting time t 3 of slot2, the source STA is still in the working state. At t 3 , the data packet of the distributed service reaches the buffer of the source STA, and the source STA in the working state can transmit data. At t 4 , the source STA ends transmitting data.
  • Figure 3 illustrates slot1 and slot2 in the sleep wake-up cycle, as well as a data arrival cycle of distributed services. The subsequent situations are similar and will not be described again.
  • the embodiment of the present application provides a sleep wake-up method that can be applied to any electronic device in a distributed system.
  • the electronic device can detect whether there is data to be transmitted in the buffer at a preset time within a preset wake-up time slot. If there is data to be transmitted, the electronic device can perform data transmission (in working state) and enter the sleep state when the data transmission is completed; if there is no data to be transmitted, the electronic device can enter the sleep state.
  • Electronic devices can sleep in a timely and effective manner without affecting normal business interactions, thereby saving the power consumption of any device in the distributed system as much as possible.
  • the buffer of the electronic device can be used to store data of distributed services to be transmitted, such as but not limited to video streams in wireless screen projection, video streams in extended reality (XR), etc.
  • the buffer may be set within the memory of the electronic device. In other embodiments, the buffer may be independent of the memory of the electronic device.
  • the electronic devices involved in the embodiments of this application can be mobile terminals such as mobile phones, tablet computers, handheld computers, and personal digital assistants (Personal Digital Assistants, PDAs), smart home devices such as smart TVs and smart cameras, smart bracelets, smart watches, Wearable devices such as smart glasses, or other desktop, laptop, notebook, super mobile Ultra-mobile Personal Computer (UMPC), netbook, smart screen and other devices.
  • PDAs Personal Digital Assistants
  • smart home devices such as smart TVs and smart cameras
  • smart bracelets smart watches
  • Wearable devices such as smart glasses, or other desktop, laptop, notebook, super mobile Ultra-mobile Personal Computer (UMPC), netbook, smart screen and other devices.
  • UMPC Ultra-mobile Personal Computer
  • netbook smart screen and other devices.
  • the embodiment of the present application does not place any special restrictions on the specific type of the electronic device 100 .
  • the electronic device can be any electronic device in the distributed system.
  • FIG. 4 shows a schematic diagram of the hardware structure of an electronic device 100 .
  • the following uses the electronic device 100 as an example to describe the embodiment in detail. It should be understood that the electronic device 100 shown in FIG. 4 is only an example, and the electronic device 100 may have more or fewer components than shown in FIG. 4 , and two or more components may be combined. Or could have different component configurations.
  • the various components shown in Figure 4 may be implemented in hardware, software, or a combination of hardware and software including one or more signal processing and/or application specific integrated circuits.
  • the electronic device 100 may include a processor 110, an external memory interface 120, an internal memory 121, a universal serial bus (USB) interface 130, a charging management module 140, a power management module 141, a battery 142, an antenna 1, an antenna 2 , mobile communication module 150, wireless communication module 160, audio module 170, speaker 170A, receiver 170B, microphone 170C, headphone interface 170D, sensor module 180, button 190, motor 191, indicator 192, camera 193, display screen 194, and Subscriber identification module (SIM) card interface 195, etc.
  • a processor 110 an external memory interface 120, an internal memory 121, a universal serial bus (USB) interface 130, a charging management module 140, a power management module 141, a battery 142, an antenna 1, an antenna 2 , mobile communication module 150, wireless communication module 160, audio module 170, speaker 170A, receiver 170B, microphone 170C, headphone interface 170D, sensor module 180, button 190, motor 191, indicator 192, camera 193, display
  • the sensor module 180 may include a pressure sensor 180A, a gyro sensor 180B, an air pressure sensor 180C, a magnetic sensor 180D, an acceleration sensor 180E, a distance sensor 180F, a proximity light sensor 180G, a fingerprint sensor 180H, a temperature sensor 180J, a touch sensor 180K, and ambient light. Sensor 180L, bone conduction sensor 180M, etc.
  • the structure illustrated in the embodiment of the present application does not constitute a specific limitation on the electronic device 100 .
  • the electronic device 100 may include more or fewer components than shown in the figures, or some components may be combined, some components may be separated, or some components may be arranged differently.
  • the components illustrated may be implemented in hardware, software, or a combination of software and hardware.
  • the processor 110 may include one or more processing units.
  • the processor 110 may include an application processor (application processor, AP), a modem processor, a graphics processing unit (GPU), and an image signal processor. (image signal processor, ISP), controller, video codec, digital signal processor (digital signal processor, DSP), baseband processor, and/or neural network processor (neural-network processing unit, NPU), etc.
  • image signal processor image signal processor, ISP
  • controller video codec
  • digital signal processor digital signal processor
  • DSP digital signal processor
  • baseband processor baseband processor
  • neural network processor neural-network processing unit
  • NPU neural-network processing unit
  • different processing units can be independent devices or integrated in one or more processors.
  • the controller can generate operation control signals based on the instruction operation code and timing signals to complete the control of fetching and executing instructions.
  • the processor 110 may also be provided with a memory for storing instructions and data.
  • the memory in processor 110 is cache memory. This memory may hold instructions or data that have been recently used or recycled by processor 110 . If the processor 110 needs to use the instructions or data again, it can be called directly from the memory. Repeated access is avoided and the waiting time of the processor 110 is reduced, thus improving the efficiency of the system.
  • processor 110 may include one or more interfaces.
  • Interfaces may include integrated circuit (inter-integrated circuit, I2C) interface, integrated circuit built-in audio (inter-integrated circuit sound, I2S) interface, pulse code modulation (pulse code modulation, PCM) interface, universal asynchronous receiver and transmitter (universal asynchronous receiver/transmitter (UART) interface, mobile industry processor interface (MIPI), general-purpose input/output (GPIO) interface, subscriber identity module (SIM) interface, and /or universal serial bus (USB) interface, etc.
  • I2C integrated circuit
  • I2S integrated circuit built-in audio
  • PCM pulse code modulation
  • UART universal asynchronous receiver and transmitter
  • MIPI mobile industry processor interface
  • GPIO general-purpose input/output
  • SIM subscriber identity module
  • USB universal serial bus
  • the charging management module 140 is used to receive charging input from the charger.
  • the power management module 141 is used to connect the battery 142, the charging management module 140 and the processor 110.
  • the power management module 141 receives input from the battery 142 and/or the charging management module 140, and provides the processor 110, the internal memory 121, the display screen 194, the camera 193, the wireless communication module 160, etc. electricity.
  • the wireless communication function of the electronic device 100 can be implemented through the antenna 1, the antenna 2, the mobile communication module 150, the wireless communication module 160, the modem processor and the baseband processor, etc., for example, used to communicate with other electronic devices in a distributed system. Connect and communicate.
  • Antenna 1 and Antenna 2 are used to transmit and receive electromagnetic wave signals.
  • Each antenna in electronic device 100 may be used to cover a single or multiple communication frequency bands. Different antennas can also be reused to improve antenna utilization. For example: Antenna 1 can be reused as a diversity antenna for a wireless LAN. In other embodiments, antennas may be used in conjunction with tuning switches.
  • the mobile communication module 150 can provide solutions for wireless communication including 2G/3G/4G/5G applied on the electronic device 100 .
  • the mobile communication module 150 may include at least one filter, switch, power amplifier, low noise amplifier (LNA), etc.
  • the mobile communication module 150 can receive electromagnetic waves through the antenna 1, perform filtering, amplification and other processing on the received electromagnetic waves, and transmit them to the modem processor for demodulation.
  • the mobile communication module 150 can also amplify the signal modulated by the modem processor and convert it into electromagnetic waves through the antenna 1 for radiation.
  • at least part of the functional modules of the mobile communication module 150 may be disposed in the processor 110 .
  • at least part of the functional modules of the mobile communication module 150 and at least part of the modules of the processor 110 may be provided in the same device.
  • a modem processor may include a modulator and a demodulator.
  • the modulator is used to modulate the low-frequency baseband signal to be sent into a medium-high frequency signal.
  • the demodulator is used to demodulate the received electromagnetic wave signal into a low-frequency baseband signal.
  • the demodulator then transmits the demodulated low-frequency baseband signal to the baseband processor for processing.
  • the application processor outputs sound signals through audio devices (not limited to speaker 170A, receiver 170B, etc.), or displays images or videos through display screen 194.
  • the modem processor may be a stand-alone device.
  • the modem processor may be independent of the processor 110 and may be provided in the same device as the mobile communication module 150 or other functional modules.
  • the wireless communication module 160 can provide applications on the electronic device 100 including wireless local area networks (WLAN) (such as wireless fidelity (Wi-Fi) network), Bluetooth (bluetooth, BT), and global navigation satellites.
  • WLAN wireless local area networks
  • System global navigation satellite system, GNSS
  • frequency modulation frequency modulation, FM
  • near field communication technology near field communication, NFC
  • infrared technology infrared, IR
  • the wireless communication module 160 may be one or more devices integrating at least one communication processing module.
  • the wireless communication module 160 receives electromagnetic waves via the antenna 2 , frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the processor 110 .
  • the wireless communication module 160 can also receive the signal to be sent from the processor 110, frequency modulate it, amplify it, and convert it into electromagnetic waves through the antenna 2 for radiation.
  • the antenna 1 of the electronic device 100 is coupled to the mobile communication module 150, and the antenna 2 is coupled to the wireless communication module 160, so that the electronic device 100 can communicate with the network and other devices through wireless communication technology.
  • the wireless communication technology may include global system for mobile communications (GSM), general packet radio service (GPRS), code division multiple access (CDMA), broadband Code division multiple access (wideband code division multiple access, WCDMA), time division code division multiple access (time-division code division multiple access, TD-SCDMA), long term evolution (long term evolution, LTE), BT, GNSS, WLAN, NFC , FM, and/or IR technology, etc.
  • the GNSS may include global positioning system (GPS), global navigation satellite system (GLONASS), Beidou navigation satellite system (BDS), quasi-zenith satellite system (quasi) -zenith satellite system (QZSS) and/or satellite based augmentation systems (SBAS).
  • GPS global positioning system
  • GLONASS global navigation satellite system
  • BDS Beidou navigation satellite system
  • QZSS quasi-zenith satellite system
  • SBAS satellite based augmentation systems
  • the electronic device 100 implements display functions through a GPU, a display screen 194, an application processor, and the like.
  • GPU is the graphics processing unit
  • the processing microprocessor is connected to the display screen 194 and the application processor.
  • GPUs are used to perform mathematical and geometric calculations for graphics rendering.
  • Processor 110 may include one or more GPUs that execute program instructions to generate or alter display information.
  • the display screen 194 is used to display images, videos, etc.
  • Display 194 includes a display panel.
  • the display panel can use a liquid crystal display (LCD), an organic light-emitting diode (OLED), an active matrix organic light emitting diode or an active matrix organic light emitting diode (active-matrix organic light emitting diode).
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • AMOLED organic light-emitting diode
  • FLED flexible light-emitting diode
  • Miniled MicroLed, Micro-oLed, quantum dot light emitting diode (QLED), etc.
  • the electronic device 100 may include 1 or N display screens 194, where N is a positive integer greater than 1.
  • the electronic device 100 can implement the shooting function through an ISP, a camera 193, a video codec, a GPU, a display screen 194, an application processor, and the like.
  • the ISP is used to process the data fed back by the camera 193. For example, when taking a photo, the shutter is opened, the light is transmitted to the camera sensor through the lens, the optical signal is converted into an electrical signal, and the camera sensor passes the electrical signal to the ISP for processing, and converts it into an image visible to the naked eye. ISP can also perform algorithm optimization on image noise, brightness, etc. ISP can also optimize the exposure, color temperature and other parameters of the shooting scene. In some embodiments, the ISP may be provided in the camera 193.
  • Camera 193 is used to capture still images or video.
  • the object passes through the lens to produce an optical image that is projected onto the photosensitive element.
  • the photosensitive element can be a charge coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor.
  • CMOS complementary metal-oxide-semiconductor
  • the photosensitive element converts the optical signal into an electrical signal, and then passes the electrical signal to the ISP to convert it into a digital image signal.
  • ISP outputs digital image signals to DSP for processing.
  • DSP converts digital image signals into standard RGB, YUV and other format image signals.
  • the electronic device 100 may include 1 or N cameras 193, where N is a positive integer greater than 1.
  • Digital signal processors are used to process digital signals. In addition to digital image signals, they can also process other digital signals.
  • Video codecs are used to compress or decompress digital video.
  • NPU is a neural network (NN) computing processor.
  • NN neural network
  • Intelligent cognitive applications of the electronic device 100 can be implemented through the NPU, such as image recognition, face recognition, speech recognition, text understanding, etc.
  • the external memory interface 120 can be used to connect an external memory card, such as a Micro SD card, to expand the storage capacity of the electronic device 100.
  • the external memory card communicates with the processor 110 through the external memory interface 120 to implement the data storage function. Such as saving music, videos, etc. files in external memory card.
  • Internal memory 121 may be used to store computer executable program code, which includes instructions.
  • the internal memory 121 may include a program storage area and a data storage area.
  • the stored program area can store an operating system, at least one application program required for a function (such as a sound playback function, an image playback function, etc.).
  • the storage data area may store data created during use of the electronic device 100 (such as audio data, phone book, etc.).
  • the internal memory 121 may include high-speed random access memory, and may also include non-volatile memory, such as at least one disk storage device, flash memory device, universal flash storage (UFS), etc.
  • the processor 110 executes various functional applications and data processing of the electronic device 100 by executing instructions stored in the internal memory 121 and/or instructions stored in a memory provided in the processor.
  • the electronic device 100 can implement audio functions through the audio module 170, the speaker 170A, the receiver 170B, the microphone 170C, the headphone interface 170D, and the application processor. Such as music playback, recording, etc.
  • the audio module 170 is used to convert digital audio information into analog audio signal output, and is also used to convert analog audio input into digital audio signals. Audio module 170 may also be used to encode and decode audio signals. Speaker 170A, also called “speaker”, is used to transmit audio electrical signals Convert to sound signal. Receiver 170B, also called “earpiece”, is used to convert audio electrical signals into sound signals.
  • Microphone 170C also called “microphone” or “microphone” is used to convert sound signals into electrical signals.
  • the headphone interface 170D is used to connect wired headphones.
  • the pressure sensor 180A is used to sense pressure signals and can convert the pressure signals into electrical signals.
  • pressure sensor 180A may be disposed on display screen 194 .
  • the electronic device 100 detects the intensity of the touch operation according to the pressure sensor 180A.
  • the electronic device 100 may also calculate the touched position based on the detection signal of the pressure sensor 180A.
  • the gyro sensor 180B may be used to determine the motion posture of the electronic device 100 .
  • Air pressure sensor 180C is used to measure air pressure.
  • the magnetic sensor 180D can be used to detect the opening and closing of the flip holster.
  • the acceleration sensor 180E can detect the acceleration of the electronic device 100 in various directions (generally three axes), for example, to identify the posture of the electronic device.
  • the ambient light sensor 180L is used to sense ambient light brightness.
  • the fingerprint sensor 180H is used to collect fingerprints, such as fingerprint unlocking.
  • Temperature sensor 180J is used to detect temperature.
  • the touch sensor 180K is used to detect a touch operation on or near the touch sensor 180K.
  • Bone conduction sensor 180M can acquire vibration signals.
  • the buttons 190 include a power button, a volume button, etc.
  • Key 190 may be a mechanical key. It can also be a touch button.
  • the electronic device 100 may receive key inputs and generate key signal inputs related to user settings and function control of the electronic device 100 .
  • the motor 191 can generate vibration prompts.
  • the indicator 192 may be an indicator light, which may be used to indicate charging status, power changes, or may be used to indicate messages, missed calls, notifications, etc.
  • the SIM card interface 195 is used to connect a SIM card.
  • the software system of the electronic device 100 may adopt a layered architecture, an event-driven architecture, a microkernel architecture, a microservice architecture, or a cloud architecture.
  • a layered architecture software system can be the Android system or the Harmony operating system (OS).
  • OS Harmony operating system
  • the embodiment of this application takes the Android system with a layered architecture as an example to illustrate the software structure of the electronic device 100 .
  • FIG. 5 exemplarily shows a schematic diagram of the software architecture of the electronic device 100 .
  • the layered architecture divides the software into several layers, and each layer has clear roles and division of labor.
  • the layers communicate through software interfaces.
  • the Android system is divided into four layers, from top to bottom: application layer, hardware abstraction layer, kernel layer and firmware layer.
  • the application layer can include a series of application packages.
  • the application package can include, but is not limited to, applications such as camera, calendar, map, music, text message, gallery, call, video, Bluetooth, screen mirroring application, etc.
  • Figure 5 exemplarily shows a screencasting application, and other applications are not shown.
  • the hardware abstraction layer can include a scene identification module and a scheduling module, which can be used to identify application scenarios/distributed services and determine the sleep and wake-up schedule of the device.
  • the scene recognition module can provide the ability to parse commands at the application layer. Applications in the application layer (such as screen projection applications) set scenes/services through commands, and the scene recognition module can determine the current scene/service by parsing the commands. The scene recognition module can notify the scheduling module of the parsing result (that is, the determined scene/service).
  • the scheduling module may receive information indicating scenarios/services from the scene identification module, and generate a basic sleep wake-up situation (eg, a sleep wake-up schedule) of the electronic device 100 based on the information. The scheduling module can inform the power consumption management module of the kernel layer of the generated basic sleep wake-up situation.
  • the kernel layer may include a data cache module and a power consumption management module.
  • the data cache module can be used to manage cached data. For example, in the sleep state, the data cache module can cache arriving data.
  • the data caching module can also inform the power consumption management module of the data caching status of a specific scenario/service (such as the scenario/service determined for the scene identification module).
  • the data caching module can proactively inform the power consumption management module of the corresponding Data caching situation. For example, when new data arrives at the data caching module, the data caching module actively informs the power management module of the corresponding data caching situation. For example, the data caching module actively informs the power management module of the corresponding data every preset time period. Caching situation.
  • the power consumption management module can actively query the data caching status of the data caching module, and the data caching module responds to This query informs the power management module of the corresponding data cache status.
  • the power consumption management module may be used to manage the sleep wake-up information of the electronic device 100, for example, be responsible for the generation, update and maintenance of the sleep wake-up information.
  • the power management module can also provide sleep wake-up information for the sleep wake-up module at the firmware layer.
  • the firmware layer may include a sleep wake-up module.
  • the sleep wake-up module can receive the sleep wake-up information sent by the power consumption management module, and control the sleep and wake-up status of the electronic device 100 according to the sleep wake-up information.
  • the sleep wake-up information may include sleep instructions and/or wake-up instructions, the sleep wake-up module may control the electronic device to be in a sleep state according to the sleep instructions, and the sleep wake-up module may control the electronic device to be in a working state according to the wake-up instructions.
  • This method can be applied to any electronic device in the distributed system 10 shown in Figure 1A.
  • This method can be applied to any electronic device in the distributed system 10 shown in Figure 1B.
  • This method can be applied to the electronic device 100 shown in FIG. 4 .
  • This method can be applied to the electronic device 100 shown in FIG. 5 .
  • Figure 6 is a schematic flowchart of a sleep wake-up method provided by an embodiment of the present application. The method includes but is not limited to the following steps:
  • the first device identifies the first service to obtain the service identification result.
  • the first service is a distributed service between the first device and the second device, such as but not limited to multi-screen collaboration, information sharing, etc.
  • the first device and the second device are any two devices in the distributed system, and can be connected and communicated through wireless communication methods.
  • Wireless communication methods include, but are not limited to, Bluetooth, Wi-Fi, NFC, UWB, IR, and cellular. Communication networks, etc.
  • the first device and the second device perform the first service, they may perform data transmission, such as video streaming transmission for wireless screen projection, XR video streaming transmission, etc.
  • the first device is a source that provides service data of the first service
  • the second device is a receiving end that receives the service data of the first service.
  • the first device may identify the currently performed first service (which may also be referred to as identifying the current service scenario).
  • the first device is a smartphone.
  • the smartphone plays a video, it can receive a user operation on the screen projection control, and in response to the user operation, the video can be projected onto the screen of the smart TV (i.e., the above-mentioned second device) for display.
  • the smartphone can identify the current wireless screen projection service.
  • the first device is the electronic device 100 shown in FIG. 5 .
  • the application layer application can notify the scene identification module of the first service scene information through the agreed interface.
  • the scene recognition module can perform identification based on the scene information and notify the obtained business identification result to Scheduling module.
  • the scene identification module can notify the scheduling module of the latest service identification result.
  • the first device can preset a scene model and identify the currently performed first service through the scene model. For example, the scene information of the first service is used as the input of the scene model to obtain an output service identification result.
  • the service identification result includes, for example, but is not limited to, at least one of the following: communication address of the second device (such as Bluetooth address), data arrival period of the first service, number of frames transmitted per second, frequency, service type , audio type, video type, file type, etc.
  • the service identification result may include service characteristics of the first service.
  • S102 The first device generates a first sleep wake-up schedule according to the service identification result.
  • the first device may make a preliminary estimate of the sleep and wake-up situation of the first device according to the service identification result to obtain the first sleep and wake-up schedule. For example, the first device may preset the corresponding relationship between different services and the sleep wake-up schedule, and based on the corresponding relationship, determine the first sleep wake-up schedule corresponding to the first service.
  • the first device when the determination result of S103 is yes, that is, when the first service is the preset service, the first device may perform S104 based on the first sleep wakeup schedule generated in S102. In other embodiments, when the judgment result of S103 is no, that is, when the first service is not a preset service, the first device may be based on the first sleep wake-up schedule generated in S102. Execute S112.
  • the first device is the electronic device 100 shown in FIG. 5 .
  • the scheduling module may send the first sleep wake-up schedule to the power consumption management module as the basic sleep wake-up time slice of the link.
  • the first sleep wake-up schedule may also be referred to as first sleep wake-up information.
  • the first sleep wake-up schedule is used to indicate the sleep wake-up situation of the first device in each time slice in the sleep wake-up cycle (ie, in Wake-up state or sleep state), the wake-up state is the working state described in the above embodiment.
  • the wake-up state and the sleep state are the states of the communication module used for data transmission in the first device.
  • the first device performs the first service through the Wi-Fi chip and the second device.
  • the Wi-Fi chip includes three power supplies.
  • working state current is about 80mA
  • light sleep state current is about 16mA
  • deep sleep state current is about 1mA
  • the working state of the Wi-Fi chip is the working state of the above-mentioned first device.
  • the light sleep state and deep sleep state of the Wi-Fi chip belong to the sleep state of the above-mentioned first device.
  • the first device can send and receive data when it is in the awake state.
  • the sleep state is, for example, the above-mentioned light sleep state; or when the first device is in the sleep state, it cannot send and receive data.
  • the sleep state is, for example, the above-mentioned light sleep state. Deep sleep state.
  • the data structure of the first sleep wakeup schedule is a bitmap, which bitmap includes N bits, where N is the number of time slots included in the sleep wakeup cycle, and N is an integer greater than 2.
  • the first sleep wake-up schedule corresponds to the sleep wake-up cycle, and may include: each bit in the bitmap corresponds to a time slot in the sleep wake-up cycle, and the bit may be used to indicate the sleep wake-up state of the first device in the time slot. . For example, when the value of this bit is 1, the first device may be instructed to wake up (be in the wake-up state) in this time slot, and this time slot may be called a wake-up time slot.
  • the first device may be instructed to sleep (be in a sleep state) in this time slot, and this time slot may be called a sleep time slot.
  • This application takes each time slot in the sleep wake-up cycle as 16ms as an example for explanation. For an example of the first sleep wake-up schedule, see the sleep wake-up schedule shown in FIG. 2 .
  • This application uses the bit in the above example as an example for explanation, but it can be understood that the meaning of the bit indication can also be reversed, that is, when the bit value is 1, it corresponds to the sleep time slot, and when the bit value is 0, it corresponds to the wake-up time slot.
  • the value of bit may not be 0 or 1, for example, the value of bit may be true or false. This application does not limit the value of the bit and the meaning of the indication.
  • the first device determines whether the first service is a preset service.
  • the preset service is a service in which service data reaches the buffer of the first device in a fixed period, that is, the preset service is a service with a fixed data arrival period, such as but not limited to wireless screen projection, XR, etc.
  • a fixed data arrival period such as but not limited to wireless screen projection, XR, etc.
  • the first device may synchronize the sleep wake-up period and the data arrival period of the first service, that is, perform S104. In other embodiments, when the first service is not a preset service, the first device may directly control sleep and wake-up based on the first sleep-wake schedule, that is, perform S112.
  • S102 and S103 are not limited, for example, they may be executed at the same time.
  • S104 The first device synchronizes the sleep wake-up cycle and the data arrival cycle of the first service.
  • the first device may set the starting time of the sleep wake-up period to the first data arrival time in the data arrival period of the first service, and the data arrival time is The time when the data packet of the first service reaches the buffer of the first device.
  • the first data arrival time may be the data arrival time closest to the time when the first device performs S104 in the data arrival cycle, wherein the first data arrival time is later than or equal to the time when the first device performs S104.
  • the starting time t 0 of the first time slot (i.e. slot1) in the sleep wake-up cycle is the first data arrival time in the data arrival cycle of the distributed service. .
  • S105 The first device determines whether it is currently at the starting moment of the time slot in the sleep wake-up cycle.
  • the first device when the first device performs the first service, it may perform the first service based on the sleep wake-up cycle in the time dimension. Sleep and wake-up control.
  • the first device can determine whether it is currently at the starting moment of the time slot in the sleep wake-up cycle. If the determination result is yes, the first device can perform sleep and wake-up based on the first sleep wake-up schedule and the data cache status of the first service. Control, please refer to the description of S106-S111 for details, otherwise continue to judge.
  • the first device can determine at the starting time of the time slot Whether there is data of the first service to be transmitted in the buffer. In one case, if there is data of the first service to be transmitted in the buffer, the first device may be in a wake-up state, that is, perform S107. In another case, if there is no data of the first service to be transmitted in the buffer, the first device may be in a sleep state, that is, S110 is executed.
  • S107 The first device enters or remains awake.
  • the first device when the first device is at the beginning of the wake-up time slot and there is data of the first service to be transmitted in the buffer, the first device may enter or remain in the wake-up state to transmit the first service in the wake-up state. Business data.
  • the first device may issue a wake-up instruction to enter the wake-up state.
  • the first device is the electronic device 100 shown in FIG. 5 .
  • the power consumption management module can issue a wake-up command to the sleep wake-up module, and the sleep wake-up module can control the first device to be in a wake-up state according to the wake-up command, so that the first device can transmit data of the first service.
  • S108 The first device transmits data.
  • the first device in the wake-up state may transmit the first data of the first service in the buffer within the wake-up time slot. For example, the first device sends the video stream of the first service to the second device.
  • the first device when the first data transmission of the first service is completed, can issue a sleep command to enter the sleep state to avoid the situation that no data transmission is performed but is still in the wake-up state, and sleep effectively in a timely manner. Save power consumption.
  • S110 The first device enters or remains in a sleep state.
  • the first device although the first device is in the wake-up time slot, since there is no data of the first service to be transmitted in the buffer, the first device can enter or remain in the sleep state instead of the wake-up state to avoid no data transmission. But when it is still awake, it sleeps in a timely and effective manner to save power consumption.
  • the first sleep wake-up schedule is dynamically adjusted according to the data caching situation of the first service.
  • the first device may issue a sleep instruction to enter the sleep state.
  • the first device can enter at the beginning of the time slot. Or stay in hibernation.
  • the first device may issue a sleep instruction to enter the sleep state.
  • the first device is the electronic device 100 shown in FIG. 5 .
  • the issuing of sleep instructions in S109, S110 and S111 may include: the power consumption management module may issue a sleep instruction to the sleep wake-up module, and the sleep wake-up module may control the first device to be in a sleep state according to the sleep instruction to save power consumption.
  • the above-mentioned sleep state is a deep sleep state or a light sleep state.
  • the first device In the deep sleep state, the first device cannot send and receive data.
  • the first device In the light sleep state, the first device can receive data but cannot send data.
  • the above sleep state includes, for example, but is not limited to The following four situations:
  • the sleep states in S109, S110 and S111 are all deep sleep states.
  • the sleep state in S109 and S110 is the light sleep state
  • the sleep state in S111 is the deep sleep state.
  • the sleep state in S109 is the light sleep state
  • the sleep state in S110 and S111 is the deep sleep state.
  • the sleep state in S110 is the light sleep state
  • the sleep state in S109 and S111 is the deep sleep state.
  • the first device can receive information sent by the second device when it is in a light sleep state.
  • the first device is in a dormant state after receiving information sent by the second device.
  • the second device receives a user operation for ending the first service, it sends an instruction to the first device indicating that the first service has ended.
  • Information When the first device receives the information indicating the end of the first service sent by the second device, it still maintains the light sleep state or enters the deep sleep state.
  • the first device issues a wake-up command and transmits data to the second device in the wake-up state. For example, the second device detects the communication between the second device and the first device.
  • request information may be sent to the first device, and the request information is used to request to obtain configuration information of the first device (for example, including channels supported by the first device).
  • the first device receives the request information sent by the second device, it issues a wake-up command and sends the configuration information of the first device to the second device in the wake-up state.
  • the second device can switch to the first device based on the configuration information of the first device. Communication channel between devices.
  • the first device and the second device finish transmitting data the first device can issue a sleep instruction to enter the light sleep state or the deep sleep state.
  • the first device when the first device is in a light sleep state, it can be detected whether there is data of the first service to be transmitted in the buffer. In one case, when the first device detects the data of the first service to be transmitted in the buffer, the first device can issue a wake-up command and send the data of the first service to the second device in the wake-up state. Optionally, when the data transmission of the first service is completed, the first device can issue a sleep command to enter the light sleep state or the deep sleep state. In another case, when the first device detects that there is no transmitted data of the first service in the buffer, the first device may remain in a light sleep state.
  • the first device when the first device is in the light sleep state and issues a wake-up command, it can quickly enter the wake-up state, that is, the first device switches from the light sleep state to the wake-up state faster than from the deep sleep state to the wake-up state, which is more efficient. higher.
  • S106-S111 are the sleep wake-up method of a time slot in the sleep wake-up cycle. Therefore, after S109, S110 or S111, the first device can continue to determine whether the starting time of the next time slot has been reached, that is, execute S105 , to continue the sleep wake-up method of the next time slot.
  • S112 The first device controls sleep and wake-up based on the first sleep-wake schedule.
  • the first device may directly issue a sleep command or a wake-up command according to the instructions of the first sleep wake-up schedule.
  • the first device is in the wake-up state during the wake-up time slot and is in the sleep state during the sleep time slot.
  • the specific example is similar to the embodiment shown in FIG. 3 .
  • the first device when the first service ends, for example, when the first device receives a user operation for stopping the first service, the first device may stop executing the sleep wake-up method shown in FIG. 6 .
  • the second sleep wake-up schedule can be generated according to the service characteristics of the first service, and the sleep and wake-up control can be performed based on the second sleep wake-up schedule. Specifically, It is similar to S101-S102 and S112 in Figure 6 and will not be described again.
  • the first device can adaptively issue sleep instructions and wake-up instructions based on the first sleep wake-up schedule and the data cache situation of the first service. , is not limited to the instructions of the first sleep wake-up schedule, but is dynamically adjusted based on actual business conditions to avoid the situation where data is not transmitted but is still awake, so that the first device can sleep in a timely and effective manner, providing a better overall performance.
  • FIG. 7 exemplarily shows yet another time domain schematic diagram of sleep wake-up.
  • FIG. 7 takes the first sleep wake-up schedule as the bitmap shown in FIG. 2 as an example for explanation.
  • Figure 7 takes the data arrival cycle of the first service as 16.67ms as an example for explanation.
  • the data packet of the first service reaches the buffer of the first device at time t0 and t3 .
  • the sleep wake-up period can be The starting time is set to: the data arrival time closest to the current time, that is, t 0 , to achieve synchronization between the sleep wake-up cycle and the data arrival cycle of the first service.
  • the first device when the first device is at the starting time t 0 of the first time slot (slot1) in the sleep wake-up cycle, according to the value of the bit corresponding to slot1 in the bitmap of the first device (that is, 1), Slot1 is determined to be the wake-up time slot. Therefore, at the starting time of the time slot t 0 , the first device can monitor whether there is data of the first service to be transmitted in the buffer, because the data packet of the first service has arrived in the buffer at this time. (That is, there is data of the first service in the buffer to be transmitted), so the first device can wake up to be in the working state, and transmit the data of the first service in the buffer in the working state. At t 1 , the first device finishes transmitting data and can sleep. Between t 1 and the starting time t 2 of the second time slot (slot2) in the sleep wake-up cycle, the first device may be in the sleep state.
  • slot2 is determined to be wake-up based on the value of the bit corresponding to slot 2 in the bitmap (i.e. 1). time slot, at this time, dormancy can be determined based on the monitoring results of the buffer (that is, there is no data of the first service in the current buffer). In slot 2 (that is, between t 2 and t 4 ), the first device can be in a sleep state.
  • slot3 is determined to be awake based on the value of the bit corresponding to slot3 in the bitmap (i.e. 1).
  • time slot at this time, it can be determined according to the monitoring result of the buffer (that is, there is data of the first service in the current buffer) to wake up and be in the working state, and transmit the data of the first service in the buffer in the working state.
  • the first device finishes transmitting data and can sleep.
  • Figure 7 illustrates slot1, slot2 and part of slot3 in the sleep wake-up cycle, as well as a data arrival cycle of distributed services. The subsequent situations are similar and will not be described again.
  • the first device in the wake-up time slot, can go to sleep after transmitting data, and when it is determined that there is no data of the first service in the buffer at the beginning of the wake-up time slot, the first device The first device can sleep within the wake-up time slot. This can avoid the situation where the source STA is still in the working state although there is no data transmission between t 1 and t 3 shown in Figure 3, allowing the first device to sleep in a timely and effective manner. , reduce power consumption.
  • FIG. 8 is a schematic flowchart of yet another sleep wake-up method provided by an embodiment of the present application. The method includes but is not limited to the following steps:
  • the first device identifies the first service to obtain the service identification result.
  • S201 is similar to S101 shown in Figure 6. For details, please refer to the description of S101 shown in Figure 6.
  • S202 The first device generates a first sleep wake-up schedule according to the service identification result.
  • S202 is similar to S102 shown in Figure 6. For details, please refer to the description of S102 shown in Figure 6.
  • S203 The first device determines whether the first service is a preset service.
  • the first device may synchronize the sleep wake-up period and the data arrival period of the first service, that is, perform S204. In other embodiments, when the first service is not a preset service, the first device may directly control sleep and wake-up based on the first sleep-wake schedule, that is, perform S213.
  • the preset service please refer to the description of the preset service in S103 of Figure 6 .
  • S202 and S203 are not limited, for example, they may be executed at the same time.
  • S204 The first device synchronizes the sleep wake-up cycle and the data arrival cycle of the first service.
  • S204 is similar to S104 shown in Figure 6. For details, please refer to the description of S104 shown in Figure 6.
  • S205 The first device divides each wake-up time slot in the sleep wake-up cycle into multiple sub-wake-up time slots.
  • the wake-up time slot is a time slot in which the first device is in the wake-up state as indicated by the first sleep wake-up schedule, For example, when the value of the bit corresponding to the time slot in the first sleep wake-up table is 1, the time slot is the wake-up time slot.
  • the first device may divide each wake-up time slot in the sleep wake-up cycle into multiple sub-time slots (which may be called sub-wake-up time slots). For example, a 16 ms wake-up time slot is divided into four 4 ms sub-wake-up time slots.
  • the sub-slots in this application may also be called sub-time slices.
  • S206 The first device determines whether it is at the starting moment of a time slot or sub-time slot in the sleep wake-up cycle.
  • the first device when the first device performs the first service, the first device may control sleep and wake-up based on the sleep-wake cycle in the time dimension.
  • the first device can determine whether it is currently at the starting moment of a time slot or sub-time slot in the sleep wake-up cycle. If the determination result is yes, the first device can perform the operation based on the first sleep wake-up schedule and the data cache status of the first service.
  • the control of sleep and wake-up please refer to S207-S212 for details. Otherwise, continue to judge.
  • the first device can The starting time determines whether there is data of the first service to be transmitted in the buffer.
  • the above-mentioned bit corresponding to the current sub-slot may be: the bit corresponding to the time slot including the sub-slot.
  • the first device may be in a wake-up state, that is, S208 is executed.
  • the first device may be in a sleep state, that is, S211 is executed.
  • the first device when at the starting moment of any sub-time slot, can determine whether the sub-time slot is a sub-wake-up time slot based on the bit corresponding to the sub-time slot. That is to say, for a time slot Each sub-slot within the slot will be judged whether it is a sub-wake-up time slot. It is not limited to this.
  • the first device may, at the starting time of the first sub-slot of any time slot (that is, the starting time of the time slot), use the bit corresponding to the time slot to , determine whether the sub-time slots included in the time slot are all sub-wake-up time slots, that is, for multiple sub-time slots in a time slot, it is only determined once whether they are sub-wake-up time slots.
  • S208 The first device enters or remains awake.
  • the first device when the first device is at the beginning of the sub-wake-up time slot and there is data of the first service to be transmitted in the buffer, the first device may enter or remain in the wake-up state to transmit the first service in the wake-up state.
  • a business data A business data.
  • the first device may issue a wake-up command to enter the wake-up state.
  • S209 The first device transmits data.
  • the first device in the wake-up state may transmit the second data of the first service in the buffer within the sub-wake-up time slot. For example, the first device sends the video stream of the first service to the second device.
  • the first device when the second data transmission of the first service is completed, can issue a sleep command to enter the sleep state to avoid the situation that no data transmission is performed but is still in the awake state, and sleep effectively in a timely manner. Save power consumption.
  • S211 The first device enters or remains in a sleep state.
  • the first device although the first device is in the sub-wake-up time slot, since there is no data of the first service to be transmitted in the buffer, the first device can enter or remain in the sleep state instead of the wake-up state to avoid no data transmission. When transmitting but still awake, it sleeps promptly and effectively to save power consumption.
  • the first sleep wake-up schedule is dynamically adjusted according to the data caching situation of the first service.
  • the first device may issue a sleep instruction to enter the sleep state.
  • the first device can enter at the beginning of the time slot. Or stay in hibernation.
  • the first device may issue a sleep instruction to enter the sleep state.
  • the first device is the electronic device 100 shown in Figure 5.
  • the issuing of sleep instructions in S210, S211 and S212 may include: the power consumption management module may issue the sleep instruction to the sleep wake-up module, and the sleep wake-up module
  • the first device can be controlled to be in a sleep state according to the sleep instruction to save power consumption.
  • the above-mentioned sleep state is a deep sleep state or a light sleep state.
  • the first device In the deep sleep state, the first device cannot send and receive data.
  • the first device In the light sleep state, the first device can receive data but cannot send data.
  • the above sleep state includes, but is not limited to, the following four situations:
  • the sleep states in S210, S211 and S212 are all deep sleep states.
  • the sleep state in S210 and S211 is the deep sleep state
  • the sleep state in S212 is the light sleep state.
  • the sleep state in S211 is the light sleep state
  • the sleep state in S210 and S212 is the deep sleep state.
  • the sleep state in S210 is the light sleep state
  • the sleep state in S211 and S212 is the deep sleep state.
  • S207-S112 are the sleep wake-up method of one time slot in the sleep wake-up cycle. Therefore, after S210, S211 or S212, the first device can continue to determine whether the starting time of the next time slot or sub-time slot is reached. , that is, S206 is executed to continue the sleep wake-up method of the next time slot or sub-time slot.
  • S213 The first device controls sleep and wake-up based on the first sleep-wake schedule.
  • S213 is similar to S112 in Figure 6. For details, please refer to the description of S112 in Figure 6.
  • the first device when the first service ends, for example, when the first device receives a user operation for stopping the first service, the first device may stop executing the sleep wake-up method shown in FIG. 8 .
  • the first device can divide the wake-up time slot in the sleep wake-up cycle into multiple sub-wake-up time slots, and start the first service at the beginning of each sub-wake-up time slot.
  • sleep instructions and wake-up instructions are issued adaptively, which refines the granularity of sleep and wake-up control, increases the probability of sleep, and is better adapted to the first service and link Interactive changes.
  • the first device can enter a sleep state that only receives but does not transmit (i.e., a light sleep state).
  • a sleep state that only receives but does not transmit (i.e., a light sleep state).
  • FIG. 9 exemplarily shows yet another time domain schematic diagram of sleep wake-up.
  • FIG. 9 illustrates taking the first sleep wake-up schedule as the bitmap shown in FIG. 2 as an example.
  • Figure 9 takes the data arrival cycle of the first service as 16.67ms as an example for explanation.
  • the data packet of the first service arrives at the buffer of the first device at time t 0 and t 3.
  • the sleep wake-up period can be The starting time is set to: the data arrival time closest to the current time, that is, t 0 , to achieve synchronization between the sleep wake-up cycle and the data arrival cycle of the first service.
  • the first device when the first device is at the starting time t 0 of the first time slot (slot1) in the sleep wake-up cycle, according to the value of the bit corresponding to slot1 in the bitmap of the first device (that is, 1), Determine slot1 as the wake-up time slot.
  • slot 1 when the first device is at the starting time t 0 of the first sub-slot (ie, sub-wake-up slot 1), it can monitor whether there is data of the first service to be transmitted in the buffer. The data packet of the service has arrived in the buffer, so the first device can wake up to be in the working state, and transmit the data of the first service in the buffer in the working state.
  • the first device finishes transmitting data and can sleep.
  • the first The device can be in sleep state.
  • the first device when the first device is at the starting time t 8 of the fourth sub-slot (i.e., sub-wake-up time slot 4), according to the monitoring results of the buffer (i.e., there is no first device in the current buffer) Business data) to determine hibernation, assuming that the state after hibernation at this time is a light sleep state.
  • the first device in the light sleep state receives the data (such as request information) sent by the second device at time t 9 , can quickly wake up, and is in the working state to transmit data to the second device (such as in response to the request of the second device). Send data to the second device).
  • the first device finishes transmitting data and can sleep.
  • the first device may be in the sleep state.
  • slot2 is determined to be the wake-up time slot according to the value of the bit corresponding to slot2 in the bitmap (that is, 1).
  • slot 2 when the first device is at the starting time t 2 of the first sub-slot (i.e., sub-wake-up time slot 5), it can be determined based on the monitoring results of the buffer (i.e., there is no data of the first service in the current buffer) hibernate. Therefore, within sub-wake-up time slot 5 (ie, between t 2 and t 11 ), the first device may be in the sleep state.
  • slot 2 when the first device is at the starting time t 11 of the second sub-slot (i.e., sub-wake-up time slot 6), it can be based on the monitoring results of the buffer (i.e., there is the first device in the current buffer).
  • Business data determines wake-up and transmits data in working state.
  • the first device finishes transmitting data and can sleep.
  • Figure 9 illustrates slot1 and part of slot2 in the sleep wake-up cycle, as well as a data arrival cycle of distributed services. The subsequent situations are similar and will not be described again.
  • the first device in the sub-wake-up time slot, can go to sleep after transmitting data, and when it is determined that there is no data for the first service in the buffer at the starting time of the sub-wake-up time slot. , the first device can sleep in the sub-wake-up time slot. This can avoid the situation where, for example, the source STA does not transmit data but is still in the working state between t 1 and t 3 shown in Figure 3, allowing the first device to wake up in a timely manner. Effectively sleep and reduce power consumption.
  • the data packet arriving at t 3 is transmitted at t 11 , and the service delay (t 11 -t 3 ) is approximately one sub-wake-up time slot (4ms), while in Figure 7 , the data packet arriving at t 3 is transmitted only at t 4 , and the service delay (t 4 -t 3 ) is approximately one time slot (16ms). That is to say, in the time dimension, controlling sleep and wake-up in units of sub-wake-up time slots can ensure that the device sleeps in a timely and effective manner, while reducing business delays and improving product availability.
  • the first device is in a light sleep state and can wake up quickly after receiving data sent by the second device at t 9 .
  • To transmit data there is no need to wait for the next sub-wake-up time slot 5 to transmit data, further reducing business delay.
  • the first device within the sub-wake-up time slot 5 shown in Figure 9, the first device can also be in a light sleep state.
  • the first device can also wake up quickly to There is no need to wait for the next sub-wake-up time slot 6 to transmit data, further reducing business delay.
  • the methods provided by the embodiments of this application can be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, a network device, a user equipment, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another, e.g., the computer instructions may be transferred from a website, computer, server, or data center Transmit to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • the readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
  • the available media can be magnetic media (for example, floppy disks, hard disks, tapes ), optical media (for example, Digital video disc (DWD), or semiconductor media (for example, Solid State Disk (SSD)), etc.
  • magnetic media for example, floppy disks, hard disks, tapes
  • optical media for example, Digital video disc (DWD)
  • semiconductor media for example, Solid State Disk (SSD)
  • SSD Solid State Disk

Abstract

Conformément à des modes de réalisation, la présente invention concerne un procédé de mise en veille/réveil et un dispositif électronique. Le procédé comprend les étapes suivantes : un premier dispositif génère des premières informations de mise en veille/réveil selon une caractéristique de service d'un premier service, les premières informations de mise en veille/réveil étant utilisées pour indiquer des états de mise en veille/réveil du premier dispositif sur des tranches de temps dans une période de mise en veille/réveil, les premières informations de mise en veille/réveil indiquant que le premier dispositif est dans un état réveillé dans une première tranche de temps dans la période de mise en veille/réveil ; détecter, à un moment prédéfini de la première tranche de temps, si des données du premier service sont ou non mises en cache ; lors de la détection du fait que des premières données du premier service sont mises en cache, envoyer, dans l'état réveillé, les premières données à un second dispositif ; lors de la détection du fait qu'aucune donnée du premier service n'est mise en cache, entrer ou rester dans un état de veille. Selon les modes de réalisation de la présente invention, le premier dispositif peut efficacement être mis en veille à temps, de telle sorte que la consommation d'énergie du dispositif est réduite.
PCT/CN2023/083477 2022-03-25 2023-03-23 Procédé de mise en veille/réveil et dispositif électronique WO2023179731A1 (fr)

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