WO2012027991A1 - Procédé, dispositif et système de réveil bidirectionnel basé sur un bus série universel - Google Patents

Procédé, dispositif et système de réveil bidirectionnel basé sur un bus série universel Download PDF

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Publication number
WO2012027991A1
WO2012027991A1 PCT/CN2011/073184 CN2011073184W WO2012027991A1 WO 2012027991 A1 WO2012027991 A1 WO 2012027991A1 CN 2011073184 W CN2011073184 W CN 2011073184W WO 2012027991 A1 WO2012027991 A1 WO 2012027991A1
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WO
WIPO (PCT)
Prior art keywords
wake
signal
sleep
mid
wireless module
Prior art date
Application number
PCT/CN2011/073184
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English (en)
Chinese (zh)
Inventor
胡晓波
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中兴通讯股份有限公司
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Publication of WO2012027991A1 publication Critical patent/WO2012027991A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3209—Monitoring remote activity, e.g. over telephone lines or network connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • G06F1/3278—Power saving in modem or I/O interface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0038—System on Chip
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • USB-based two-way wake-up method device and system
  • the present invention relates to the field of mobile communications, and in particular, to a method, device and system for bidirectional wake-up based on USB (Universal Serial BUS). Background technique
  • MID Mobile Internet Device
  • Intel's definition MID is a mobile Internet device that is smaller than a notebook computer but larger than a mobile phone.
  • MID is similar to UMPC (Ultra-mobile Personal Computer). It is also a portable PC (Personal Computer) product.
  • UMPC Ultra-mobile Personal Computer
  • PC Personal Computer
  • users can access the Internet and enjoy entertainment, information inquiry and mail. Send and receive operations.
  • the core of its design philosophy is to seamlessly connect mobile multimedia to the Internet, enabling consumers to access the Internet anytime, anywhere.
  • MID is designed to combine the functions of a notebook and a mobile phone. Its CPU clock speed is up to 1.6GHz and the integrated functions are more and more. For example, in addition to functions such as large-screen LCD, Bluetooth, GPS, WIFI, and multimedia, network access, telephony, and text messaging are also required, so the power consumption of MIDs is also increasing. The MID is limited in size and battery capacity is limited. Therefore, how to improve the usage time of MID is a serious problem for all MIDs.
  • the MID provides access to the network, voice and SMS functions through a built-in wireless module.
  • various network-based wireless modules have emerged on the market, such as Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), and Time Division Synchronization Codes. Multiple access ( Time Division-Synchronous Code Division Multiple Access, TD-SCDMA).
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • These wireless modules generally use a USB interface to connect with a mobile Internet terminal. Therefore, in order to adapt to various wireless modules, the MID is also connected to the built-in wireless module by using a USB interface.
  • the MID host and the wireless module can realize the two-way wake-up function through the USB bus, that is, the MID host can open the public/wake-up wireless module, and when the MID needs to access the network, the calling/called, the MID The host and the wireless module work; when the MID does not need to access the network, there is no phone access or outgoing calls, the MID host and the wireless module are maintained at the minimum current.
  • the current method of implementing the two-way wake-up function is based on the USB bus interface, using a plurality of general purpose input output (GPIO) control signals, detecting these control signals and matching timings at both ends of the USB bus interface, Achieve two-way sleep/wake.
  • GPIO general purpose input output
  • a primary object of the present invention is to provide a USB-based method, apparatus and system for two-way wake-up, which aims to reduce hardware resources and achieve two-way wake-up between a first device and a second device.
  • a USB-based method for two-way wakeup comprising:
  • the first device enters the awake state according to the trigger of the wake event, and generates a wake-up signal; and sends the wake-up signal to the second device through the USB bus, so that the second device detects the wake-up signal on the USB bus and enters the awake state.
  • the first device is a mobile Internet device MID host, and the second device is a wireless module;
  • the wake event includes: a wake button, a timed wake trigger signal or a MID wake command;
  • the first device is a wireless module
  • the second device is a MID host
  • the wake-up event triggered by the wireless module includes: voice access/outgoing, or short message access/outgoing.
  • the MID host enters a sleep state according to a trigger of a sleep event, and generates a sleep signal;
  • the sleep event includes a sleep button, a timer sleep trigger signal, or an MID sleep command;
  • the sleep signal is sent to the wireless module through the USB bus, and the wireless module enters a sleep state after detecting the sleep signal on the USB bus.
  • the wake-up signal is expressed as:
  • the wake-up signal is set to: the difference between the positive differential signal terminal D+ of the USB bus and the negative differential signal terminal D- is less than 200 mV;
  • the wake-up signal is set to:
  • the difference between the positive differential signal terminal D+ of the USB bus and the negative differential signal terminal D- is greater than 200 mV.
  • the sleep signal is expressed as:
  • the sleep signal is set to: the positive differential signal terminal of the USB bus D+ is greater than 2.0V; the negative differential signal terminal D- is greater than 0.8V;
  • the sleep signal is set to: the positive differential signal terminal of the USB bus D- is greater than 2.0V; the negative differential signal terminal D+ is greater than 0.8V.
  • a USB-based two-way wake-up device includes a first device; the first device includes: a signal generating module, configured to enter a wake-up state according to a trigger of a wake-up event, and generate a wake-up signal;
  • a sending module configured to send the wake-up signal to the second device through the USB bus, so that the second device detects the wake-up signal on the USB bus and enters an awake state.
  • the wake-up signal is expressed as:
  • the wake-up signal is set to: the difference between the positive differential signal terminal D+ of the USB bus and the negative differential signal terminal D- is less than 200 mV;
  • the wakeup signal is set to: the difference between the positive differential signal terminal D+ of the USB bus and the negative differential signal terminal D- is greater than 200 mV.
  • a USB-based two-way wake-up system including:
  • a first device configured to enter a wake-up state according to a trigger of the wake-up event, and send a wake-up signal to the USB bus;
  • the second device is connected to the first device via a USB bus, and is configured to detect a wake-up signal on the USB bus and enter an awake state.
  • the first device is a MID host
  • the second device is a wireless module
  • the wakeup event triggered by the MID host includes: a wake button, a timed wake trigger signal or a MID wake command; or
  • the first device is a wireless module
  • the second device is a MID host
  • the wake-up event triggered by the wireless module includes: voice access/outgoing, or short message access/outgoing.
  • the MID host is further configured to: enter a sleep state according to a trigger of a sleep event, and send the generated sleep signal to the wireless module through a USB bus;
  • the wireless module is further configured to: enter a sleep state after detecting a sleep signal on the USB bus;
  • the sleep event includes a sleep button, a timer sleep trigger signal, or a MID sleep command.
  • the invention enables the MID host and the wireless module to detect the USB bus signal separately, and sleep or wake up according to the USB bus signal, not only the MID host can wake up the wireless module, but also when the MID host and the wireless module are in a sleep state, the wireless module is After the wake-up is triggered, the MID host can be woken up via the USB bus.
  • FIG. 1 is a schematic structural diagram of an embodiment of a USB-based two-way wake-up system according to the present invention
  • FIG. 2 is a schematic diagram of a connection structure between a MID host and a wireless module in an embodiment of a USB-based two-way wake-up system according to the present invention
  • 3 is a schematic structural diagram of an embodiment of a USB-based two-way wake-up device according to the present invention
  • FIG. 4 is a schematic flowchart of a USB-based two-way wake-up method according to an embodiment of the present invention
  • FIG. 6 is a schematic flow chart of a MID host waking up a wireless module in an embodiment of a USB-based two-way wake-up according to an embodiment of the present invention
  • FIG. 7 is a schematic flowchart of a method for a wireless module to wake up a MID host in an embodiment of a USB-based two-way wake-up according to an embodiment of the present invention
  • FIG. 8 is a schematic flowchart of a wireless module waking up a USB module according to an embodiment of the USB-based two-way wake-up method according to the present invention.
  • FIG. 9 is a schematic flow chart of a MID host sleepless wireless module in an embodiment of a USB-based two-way wake-up according to an embodiment of the present invention. detailed description
  • the invention realizes two-way wake-up between the MID host and the wireless module.
  • the principle of two-way wake-up of MID and wireless modules is first introduced:
  • USB bus 2.0 protocol stipulates: The USB host and the USB system have independent power management systems.
  • the USB system software can be combined with the host's energy management system to handle various power components such as suspend and wake up.
  • unique power management features of USB device applications allow USB system software to control its power management.
  • USB devices must be able to support the suspend state and can enter the suspend state from any of the level states. When the device finds that their idle state on the upstream bus lasts longer than 3.0ms, they enter the suspend state.
  • a device in a suspended state will wake up when its upstream port receives any non-idle signal.
  • the remote wake-up function of the device is turned on by the USB system software, it will automatically signal the system to wake up the operation.
  • the wake-up signal is used by the host or device. To bring a suspended bus segment back to active state.
  • the present invention utilizes the unique power management mode, suspend and wake-up mechanism in the USB bus protocol, and does not require additional hardware GPIO resources, but can realize two-way wake-up between the MID and the wireless module through the existing USB bus interface.
  • USB-based two-way wake-up system includes:
  • the first device 10 is configured to enter a wake-up state according to a trigger of the wake-up event, and send the wake-up signal to the USB bus;
  • the second device 20 is connected to the first device 10 via a USB bus for detecting a wake-up signal on the USB bus and entering an awake state.
  • the first device 10 is a MID host and the second device 20 is a wireless module.
  • the wake-up event triggered by the first device 10 includes: a wake-up button, a time-wake trigger signal or a MID wake-up command.
  • the first device 10 is a wireless module and the second device 20 is a MID host.
  • the wake-up event triggered by the first device 10 includes: voice access/outgoing or SMS access/outgoing.
  • the MID host and the wireless module are connected by a USB bus through the respective USB modules, as shown in FIG. 2 .
  • the USB bus signal state is defined as shown in Table 1:
  • USB bus signal the definition of the USB bus signal is inconsistent between the MID host and the wireless module, the detected USB bus signal can be converted into a signal that can be recognized by adding the conversion module.
  • the sleep signal IDLE is sent to the USB bus, so that the wireless module detects the sleep signal IDLE and also enters the sleep state.
  • the invention enables the MID host and the wireless module to detect the USB bus signal separately, and sleep or wake up according to the USB bus signal, not only the MID host can sleep or wake up the wireless module, but also when the MID and the wireless module are in sleep, the wireless module is After the wake-up is triggered, the MID host can be woken up via the USB bus.
  • FIG. 3 is a schematic structural diagram of an apparatus for a two-way wake-up based on USB according to the present invention.
  • the apparatus for the two-way wake-up based on USB in this embodiment includes the first device 10, and the first device 10 further includes:
  • the signal generating module 101 is configured to enter an awake state according to a trigger of the wake event, and generate an awake signal;
  • the sending module 102 is configured to send the wake-up signal to the USB bus and send it to the second device through the USB bus, so that the second device detects the wake-up signal on the USB bus and enters the awake state.
  • the detecting module 103 is configured to enter an awake state when the first device 10 is in a sleep state and a wake-up signal on the USB bus is detected.
  • the first device may be a MID host or a wireless module.
  • the MID host wakes up the wireless module, the wake-up signal generated in the MID host is sent to the wireless module through the sending module 102.
  • the detecting module 103 in the wireless module enters the awake state.
  • the wireless module wakes up the MID host the wake-up signal generated in the wireless module passes The sending module 102 sends the signal to the MID host.
  • the detecting module 103 in the MID host enters the awake state.
  • the signal generating module 101 is further configured to enter a sleep state according to the trigger of the sleep event, and generate a sleep signal.
  • the sending module 102 is further configured to send the sleep signal to the second device 20 through the USB bus for the second device 20 to detect. After going to the sleep signal on the USB bus, it goes to sleep.
  • the sleep event includes a sleep button, a timer sleep trigger signal or a MID sleep command.
  • the invention enables the MID host and the wireless module to detect the USB bus signal separately, and performs sleep or wake up according to the USB bus signal, and the MID host can sleep or wake up the wireless module. And when both the MID and the wireless module are in sleep, the wireless module can wake up and wake up the MID host via the USB bus.
  • FIG. 4 is a schematic flow chart of an embodiment of a method for bidirectional wake-up based on USB according to the present invention.
  • the method for bidirectional wake-up based on USB in this embodiment includes the following steps:
  • Step S10 The first device 10 enters an awake state according to the trigger of the wake event, and generates a wakeup signal.
  • Step S1 Send the wake-up signal to the second device 20 through the USB bus, so that the second device 20 detects the wake-up signal on the USB bus and enters the awake state.
  • the wake-up signal K is expressed as:
  • the difference between the positive differential signal terminal D+ of the USB bus and the negative differential signal terminal D- is less than 200 mV;
  • the difference between the positive differential signal terminal D+ of the USB bus and the negative differential signal terminal D- is set to be greater than 200 mV.
  • the first device is a MID host and the second device is a wireless module.
  • the structure of the MID host is shown in Figure 5.
  • the MID host includes a processor platform, a human interface module, a multimedia module, a storage module, a power management module, and a USB module.
  • the power management module is used to implement power-on, power-off or charging of the MID, and to the processor platform, the human-machine interface module, the multimedia module,
  • the storage module and the USB module perform sleep or wakeup management.
  • the wireless module includes a baseband unit and a radio frequency unit for implementing network access and voice functions of the MID, and connecting to the Internet through an external wireless network. Specific functions include: searching for wireless networks, synchronizing information with wireless networks, establishing voice and data links with wireless networks, and interacting with wireless networks.
  • the process mainly includes:
  • Step S101 The MID host detects and responds to the wakeup event.
  • the wake-up event can be a specific wake-up button, a timed wake-up trigger or an MID wake-up command, and the like.
  • the MID host enters the awake state according to the trigger of the wake event.
  • Step S102 the processor platform enters the awake state, and returns to the normal working mode.
  • the processor platform enters the awake state, and the power and clock of the on-chip peripheral resources are set to the normal working value, and the low power mode is restored to the normal working mode. .
  • Step S103 The USB module is awakened, and is restored from the suspended state to the normal working state
  • Step S104 Send a wake-up signal K to the USB bus through the USB module;
  • Step S105 After detecting the wake-up signal K on the USB bus, the wireless module returns from the low power mode to the normal working mode;
  • Step S106 The processor platform wakes up the peripheral module.
  • the processor platform incorporates a power management module to wake up peripheral modules such as human interface, multimedia, and storage.
  • the MID wakes up the wireless module process.
  • the first device is a wireless module and the second device is a MID host.
  • the process of the wireless module waking up the MID host includes:
  • Step S201 The wireless module detects and responds to the wakeup event.
  • the wake-up event is that the wireless module receives a call or a short message, and the wireless module returns to the normal working mode from the low power mode in response to the wake-up event; Step S202, the wireless module sends a wake-up signal K to the USB bus;
  • Step S203 The USB module of the MID host detects the wake-up signal K of the USB bus, and resumes from the suspended state to the normal working state;
  • Step S204 The USB module wakes up the processor platform and enters a normal working mode.
  • the USB module wakes up the processor platform, and the processor platform sets the power and clock of the peripheral resources on the chip to the normal working value, and enters the normal working mode.
  • Step S205 The processor platform wakes up the peripheral module.
  • the processor platform incorporates a power management module to wake up peripheral modules such as human interface, multimedia, and storage.
  • the wireless module wakes up the USB module of the MID host, which is the key to the invention.
  • the internal connection structure of the USB module and the wireless module is as shown in FIG. 8.
  • the USB HOST (host controller) in the USB module is connected to a HUB via port 2 of the built-in ROOT HUB (root hub), and the wireless module is connected to port 1 of the cascaded HUB (hub), as shown in Figure 8 for DEVICE ( device).
  • the wake-up process of the USB module and the wireless module is schematic.
  • T0 The wireless module sends a wake-up signal to the USB bus.
  • Tl The cascading HUB detects the wake-up signal of port 1;
  • T2 The host controller ROOT HUB detects the wake-up time of port 1;
  • the wireless module stops sending wake-up signals
  • the host controller completes the wake-up sequence operation time
  • T0 to t3 are the time when the wireless module completes the wakeup; tl to t4 are the time that the cascading HUB completes the wakeup; and tl to t4 are the time when the ROOT HUB completes the wakeup.
  • the wireless module enters the awake state after detecting the wake event, and switches from the low power mode to Normal working mode, and send a wake-up signal K to the USB bus through the internal USB module at time t0;
  • the USB HOST ROOT HUB completes the wake-up work, and then the USB HOST sends an interrupt signal to the MID. After receiving the interrupt signal, the MID processor platform changes from the sleep mode to the normal working mode.
  • both the MID host and the wireless module are in a dormant state.
  • the first is that the MID host enters the sleep state, and then sends a sleep signal to the wireless module through the USB module, so that the wireless module also enters a sleep state.
  • the process in which both the MID host and the wireless module enter a sleep state includes:
  • Step S301 The MID host detects and responds to the sleep event, and enters a sleep state.
  • the sleep event is a specific sleep button, a timer sleep trigger signal, a MID sleep command, and the like.
  • the MID host enters a sleep state according to the sleep event.
  • Step S302 the peripheral module enters a sleep state
  • the MID host performs the sleep operation of the peripheral modules such as the human interface, multimedia, and storage through the cooperation of the processor and the power management module.
  • Step S303 the MID host sends the sleep signal IDLE to the USB bus through the USB module;
  • the MID host sends the sleep signal IDLE to the USB bus, and the Hidden Signal IDLE will last for a certain period of time (e.g., 5ms).
  • Step S304 after the wireless module detects the sleep signal IDLE, it is cut by the normal working mode. Switch to low power mode;
  • the wireless module When the wireless module detects the sleep signal IDLE on the USB bus and continues for a certain period of time, it switches from the normal working mode to the low power mode.
  • Step S305 the USB module enters a sleep state
  • Step S306 the processor platform enters a sleep state.
  • the processor platform After the USB module enters the sleep state, the processor platform also begins to sleep, and the power and clock of the on-chip peripheral resources are turned off or reduced according to system performance requirements, so that the processor platform enters deep sleep mode and consumes minimum current.
  • the invention enables the MID host and the wireless module to detect the USB bus signal separately, and sleep or wake up according to the USB bus signal, not only the MID host can sleep or wake up the wireless module, but also when the MID and the wireless module are in sleep, the wireless module is After the wake-up is triggered, the MID host can be woken up via the USB bus.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
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Abstract

La présente invention porte sur un procédé, un dispositif et un système de réveil bidirectionnel basé sur un bus série universel (USB). Un premier appareil passe dans un état de réveil conformément au déclenchement d'un événement de réveil, et génère un signal de réveil ; et le signal de réveil est transmis à un second appareil par un bus USB de manière à ce que le second appareil, après détection du signal de réveil sur le bus USB, passe dans l'état de réveil. Le premier appareil est un hôte de dispositif Internet Mobile (MID), et le second appareil est un module sans fil ; ou le premier appareil est le module sans fil et le second appareil est l'hôte MID. Le procédé, le dispositif et le système de la présente invention permettent à l'hôte MID et au module sans fil de détecter le signal de bus USB respectivement, et de réaliser une mise en sommeil ou un réveil conformément au signal de bus USB. Non seulement l'hôte MID peut réveiller le module sans fil, mais en outre, lorsque l'hôte MID et le module sans fil sont tous les deux dans un état de sommeil, le module sans fil peut réveiller l'hôte MID par l'intermédiaire du bus USB après avoir été déclenché pour se réveiller.
PCT/CN2011/073184 2010-08-30 2011-04-22 Procédé, dispositif et système de réveil bidirectionnel basé sur un bus série universel WO2012027991A1 (fr)

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CN201010268442.6A CN101938818B (zh) 2010-08-30 2010-08-30 基于usb的双向唤醒的方法、设备及系统
CN201010268442.6 2010-08-30

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US10469704B2 (en) 2017-05-26 2019-11-05 Avision Inc. Controlled device, control device, control system using the same and control method using the same
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CN102799550B (zh) * 2012-06-21 2016-01-27 华为终端有限公司 基于芯片间高速接口hsic的唤醒、热插拔方法和设备
CN103576569B (zh) * 2012-08-08 2017-03-01 联想(北京)有限公司 一种自动调节方法、设备和系统
CN106873750A (zh) * 2015-12-10 2017-06-20 北京信威通信技术股份有限公司 一种usb从设备控制的睡眠唤醒方法
CN105704802A (zh) * 2016-04-01 2016-06-22 努比亚技术有限公司 一种移动终端及其通信方法
CN105960000A (zh) * 2016-06-12 2016-09-21 努比亚技术有限公司 一种休眠唤醒方法及处理器
CN107622029A (zh) * 2016-07-13 2018-01-23 中兴通讯股份有限公司 一种控制方法、装置、电路及数据卡
CN106714023B (zh) * 2016-12-27 2019-03-15 广东小天才科技有限公司 一种基于骨传导耳机的语音唤醒方法、系统及骨传导耳机
CN107678530B (zh) * 2017-08-29 2021-01-19 芯启源电子科技有限公司 Usb低功耗状态退出方法、usb电子装置及通信系统
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