CN103092307B - A kind of method being realized power management by individual-layer data communication protocol - Google Patents
A kind of method being realized power management by individual-layer data communication protocol Download PDFInfo
- Publication number
- CN103092307B CN103092307B CN201110348729.4A CN201110348729A CN103092307B CN 103092307 B CN103092307 B CN 103092307B CN 201110348729 A CN201110348729 A CN 201110348729A CN 103092307 B CN103092307 B CN 103092307B
- Authority
- CN
- China
- Prior art keywords
- wireless terminal
- communication protocol
- data communication
- layer data
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 75
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
The invention provides a kind of method being realized power management by individual-layer data communication protocol, be applied between multiple wireless terminal, multiple wireless terminal comprises at least one first wireless terminal and at least one second wireless terminal; First wireless terminal at least comprises a display unit and the first data transceiving unit; Second wireless terminal at least comprises a processing unit and the second data transceiving unit; Wireless data communications is carried out by the first data transceiving unit and the second data transceiving unit between first wireless terminal and the second wireless terminal; It is characterized in that, individual-layer data communication protocol comprises Real-time hardware layer data communication protocol, equipment control layer data communication protocol and system state layer data communication protocol.Wireless terminal supports various communications protocols, all applicable to the power management of the unit module of dissimilar and power consumption, equipment and service application, corresponding communication protocol can be adopted to control power consumption in different time scales, the power supply of real-time managing electrical power.
Description
Technical Field
The invention relates to a computer power management technology, in particular to a method for realizing power management through a layered data communication protocol.
Background
The split computer comprises a host, a keyboard and a Panel (Panel) which are used as wireless display terminals, and all the components are communicated in a wireless mode; the wireless display terminal is provided with a Camera (Camera), a Sensor (Sensor), a code (Codec) and the like, and the keyboard is mainly a wireless keyboard and realizes the functions of input, touch panel and the like; the host supports the x86 system; panel has no operating system, and each component needs to depend on a host at a protocol level. Since the Panel itself cannot determine the states of all the unit modules of the Panel, the host cannot know various states of the Panel from the Panel, so that effective power management cannot be implemented.
In the prior art, a change in a state of a Panel, such as a change in a working state, a change in a display resolution, a change in a clock frequency, and the like, needs to be notified to a host in a certain manner, and the host needs to make a corresponding adjustment to meet a requirement of the Panel, for example, when the Panel is in an Idle mode for a long time and a backlight is turned off, the host determines not to transmit display content or data to the Panel temporarily; the existing power management technology only manages the power of wireless modules such as WIFI, WHDI, WirelessHDMI and the like.
The prior art has the following defects: real-time smooth switching between the Panel and the host cannot be realized between different working modes, and the power supply of the Panel cannot be managed in time through the host.
Disclosure of Invention
The embodiment of the invention provides a method for realizing power management through a layered data communication protocol, which solves the defects that in the prior art, for a split computer and other similar electronic equipment, real-time smooth switching between Panel and a host cannot be realized between different working modes, and the power of Panel cannot be managed in time through the host.
To this end, an embodiment of the present invention provides a method for implementing power management through a layered data communication protocol, which is applied between a plurality of wireless terminals, where the plurality of wireless terminals include at least one first wireless terminal and at least one second wireless terminal; the first wireless terminal at least comprises a display unit and a first data transceiving unit; the second wireless terminal at least comprises a processing unit and a second data receiving and transmitting unit; the first wireless terminal and the second wireless terminal carry out wireless data communication through a first data transceiver unit and a second data transceiver unit; the layered data communication protocol comprises a real-time hardware layer data communication protocol, a device management layer data communication protocol and a system state layer data communication protocol.
In the method, when power supply management is carried out on data transmission level equipment in the wireless terminal, the real-time hardware layer data communication protocol is adopted; when power supply management is carried out on system level equipment in the wireless terminal, a data communication protocol of the equipment management layer is adopted; and when the power supply management is carried out on the service application of the wireless terminal, the system state layer data communication protocol is adopted.
In the method, a first priority of the real-time hardware layer data communication protocol is greater than a second priority of the device management layer data communication protocol; the second priority of the device management layer data communication protocol is greater than the third priority of the system state layer data communication protocol.
In the method, the data transmission stage device is a radio frequency unit or a baseband unit of the wireless terminal.
In the method, the system-level device is an audio decoding device, a video decoding device, a sensor or a touch screen of the wireless terminal.
In the method, the power management of the service application of the wireless terminal means that the wireless terminal enters different application modes.
In the method, when power management is performed on data transmission level equipment in the wireless terminal, the step of using the real-time hardware layer data communication protocol includes the following steps: the first wireless terminal communicates with a second wireless terminal in a first transmission mode; the first wireless terminal detects a first trigger event; loading a mode switching instruction on the mark frame determined by the baseband unit; and sending the mark frame to the second RF unit through the first RF unit by adopting the real-time hardware layer data communication protocol, and switching the second RF unit to a second transmission mode to communicate with the first RF unit.
In the method, when power management is performed on system level equipment in the wireless terminal, the method adopts the equipment management layer data communication protocol, and comprises the following steps: after the first wireless terminal and the second wireless terminal communicate in the second transmission mode; and sending the current power state, the waiting time and the handshake mechanism state to the second wireless terminal through the device management layer data communication protocol, receiving configuration information from the second wireless terminal, and configuring various states of the first wireless terminal in the second transmission mode according to the configuration information.
In the method, when power management is performed on the service application of the wireless terminal, the system state layer data communication protocol is adopted, and the method comprises the following steps: after the first wireless terminal and the second wireless terminal communicate in the second transmission mode; finding an application mode corresponding to the second transmission mode, and sending the application mode to the second wireless terminal through the system state layer data communication protocol; and receiving an application mode instruction from the second wireless terminal, and realizing smooth switching of the current application program according to the application mode instruction.
In the method, the baseband unit is provided with a baseband clock, and the length of a frame of each frame supported by the baseband clock is 16ms, and the frame comprises a downlink time period and an uplink time period; said downlink time period occupies at least 95% of a length of one of said frames, and said uplink time period occupies at most 5% of a length of one of said frames.
In the method, when the first trigger event occurs before the uplink time period in the current frame, the second wireless terminal is notified in the uplink time period of the current frame; and when the first trigger event occurs in an uplink time period in the current frame, notifying the second wireless terminal in the uplink time period of the next frame of the current frame.
In the method, a preset number of frames are set as a period, and each period comprises 4 frames; reserving the downlink time period and the uplink time period in the first frame of the period, and only reserving the uplink time period in the rest frames of the period; or, in the first frame of the cycle, the downlink time period and the uplink time period are reserved, and in the remaining frames of the cycle, the downlink time period and the uplink time period are not reserved.
In the method, the first wireless terminal communicates with the second wireless terminal by adopting a first transmission mode; when the second wireless terminal detects a second trigger event, and a third transmission mode corresponding to the second trigger event is different from the first transmission mode; loading a mode switching instruction on a flag frame determined by a baseband unit of the second wireless terminal; and sending the flag frame to the first RF unit through the second RF unit by adopting the real-time hardware layer data communication protocol, wherein the second RF unit and the first RF unit communicate in the third transmission mode.
The embodiment of the invention has the beneficial effects that: a protocol architecture for managing a power supply is provided, wherein a first wireless terminal and a second wireless terminal support multiple communication protocols, the protocol architecture is suitable for power supply management of unit modules, equipment and service applications with different types and power consumption in the two wireless terminals, the power consumption can be controlled on different time scales by adopting the corresponding communication protocols, and the power supply of the power supply can be managed in real time.
Drawings
Fig. 1 is a schematic diagram illustrating a method for implementing power management among a plurality of wireless terminals;
FIG. 2 is a schematic diagram of a power management scheme for a wireless terminal using different protocols;
FIG. 3 is a diagram illustrating different protocols supported by different devices in a wireless terminal;
FIG. 4 is a diagram of a frame structure;
FIG. 5 is a diagram illustrating the structure of a baseband unit in a wireless terminal;
FIG. 6 is a diagram of a transmission frame;
fig. 7 shows a schematic diagram of a Panel of a first wireless terminal, in particular a computer;
fig. 8 shows a schematic diagram of a second wireless terminal, in particular a host of a computer.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The present invention provides a technique for managing a power supply of a wireless terminal from three levels of real-time transmission management, device management, and system state management. To this end, an embodiment of the present invention provides a method for implementing power management via a layered data communication protocol, as shown in fig. 1, and is applied between a plurality of wireless terminals;
the plurality of wireless terminals includes at least one first wireless terminal and at least one second wireless terminal; the first wireless terminal at least comprises a display unit and a first data transceiving unit; the second wireless terminal at least comprises a processing unit and a second data receiving and transmitting unit; the first wireless terminal and the second wireless terminal carry out wireless data communication through a first data transceiver unit and a second data transceiver unit; the method comprises the following steps:
the layered data communication protocol includes: a real-time hardware layer data communication protocol, a device management layer data communication protocol and a system state layer data communication protocol.
The technical scheme is applied, a protocol architecture for managing the power supply is provided, the first wireless terminal and the second wireless terminal support multiple communication protocols, the protocol architecture is suitable for power supply management of unit modules, equipment and service applications with different types and power consumption in the two wireless terminals, the power consumption can be controlled on different time scales by adopting the corresponding communication protocols, and power supply of the power supply can be managed in real time.
The wireless terminals in the embodiments should be understood to include a first wireless terminal, a second wireless terminal, and other wireless terminals distinct from the first wireless terminal and the second wireless terminal.
The unit module in the wireless terminal comprises: data transmission level equipment, system level equipment and service application. The business application is usually non-physical business logic, and corresponds to different application modes.
In a preferred embodiment, as shown in fig. 2, the real-time hardware layer data communication protocol is used when power management is performed on the data transmission level device in the wireless terminal;
when power supply management is carried out on system level equipment in the wireless terminal, a data communication protocol of the equipment management layer is adopted;
when the power supply management is carried out on the service application of the wireless terminal, the data communication protocol of the system state layer is adopted; the method comprises the following steps: and performing power supply management on the service application currently processed by the wireless terminal, controlling the power consumption of the service application to be in a proper level, and switching to a corresponding application mode according to different states of the service application.
In a preferred embodiment, the first priority of the real-time hardware layer data communication protocol is greater than the second priority of the device management layer data communication protocol; the second priority of the device management layer data communication protocol is greater than the third priority of the system state layer data communication protocol.
The real-time hardware layer data communication protocol is a bottom layer protocol of a computer, processes the hardware state and various configuration parameters of a wireless terminal, and comprises the following steps: and processing an interface between a baseband unit and a radio frequency unit (RFIC), a baseband clock and dynamically refreshing the memory. The sum of the power consumptions of the unit modules accounts for about 40% of the total power consumption of the first wireless terminal. The time scale of the real-time hardware layer data communication protocol is less than 16ms, and the realization is supported: inter-frame unidirectional configuration, flag frame, setting MAC layer latency (latency), setting repetition rate (toggle) of the radio unit, etc.
The device management layer data communication protocol supports the communication between a unit module in a wireless terminal and other wireless terminals in the functions of power management state, entering and exiting signal exchange (Entry/exit) mechanism, setting waiting time and the like; devices such as a Camera (Camera), an audio/video decoding device (Codec), a Sensor (Sensor), a Touch screen (Touch) and the like support a device management layer data communication protocol. For unit modules with different requirements on data real-time performance and response time, the implementation of the layer data communication protocol of the device management layer is greatly different.
The system state layer data communication protocol does not need to support good real-time performance, and supports smooth seamless switching (smoothtransition) between each application mode and state, including: the method comprises the steps of distinguishing different application modes of service application and states of all wireless terminals or subsystems, determining power consumption of the service application, and configuring corresponding parameters of the wireless terminals at two ends.
In a preferred embodiment, as shown in fig. 3, the data transmission stage device comprises a radio frequency unit or a baseband unit of the wireless terminal.
The system level device is an audio decoding device, a video decoding device, a sensor or a touch screen of the wireless terminal.
The power management of the service application of the wireless terminal comprises the following steps: the wireless terminal enters different application modes; the application mode includes a sleep mode, an idle mode, or a document editing mode, etc., wherein,
1, in idle state, corresponding to idle mode;
2, displaying the image change with low frame rate, such as desktop or web page browsing, corresponding to the browsing mode;
3, editing the document and the like, corresponding to a document editing mode;
4, browsing the scene of the image, corresponding to the image mode;
and 5, playing a high-definition movie or a high-real-time game, wherein the high-definition movie or the high-real-time game corresponds to a high-definition mode and a game mode.
In a preferred embodiment, when power managing a data transmission stage device in a wireless terminal, the real-time hardware layer data communication protocol is adopted, and the method comprises the following steps:
step 1, a first wireless terminal communicates with a second wireless terminal by adopting a first transmission mode; the first wireless terminal may be a Panel of a computer.
Step 2, the first wireless terminal detects a first trigger event;
step 3, loading a mode switching instruction on the mark frame determined by the baseband unit of the first wireless terminal;
step 4, the flag frame is sent to a second RF unit of a second wireless terminal through the first RF unit by adopting the real-time hardware layer data communication protocol,
and 5, switching the second RF unit to a second transmission mode to communicate with the first RF unit.
In a preferred embodiment, when power management is performed on system level devices in a wireless terminal, the device management layer data communication protocol is adopted, and the method comprises the following steps:
step 1, after a first wireless terminal and a second wireless terminal communicate in the second transmission mode;
step 2, sending the current power state, waiting time and handshake mechanism state to the second wireless terminal through the device management layer data communication protocol,
and 3, receiving configuration information from the second wireless terminal, and configuring various state parameters of the first wireless terminal in the second transmission mode according to the configuration information.
In a preferred embodiment, when power management is performed on the service application of the wireless terminal, the system state layer data communication protocol is adopted, and the method comprises the following steps:
step 1, after a first wireless terminal and a second wireless terminal communicate in the second transmission mode;
step 2, finding out the current application mode of the second transmission mode,
step 3, the application mode is sent to the second wireless terminal through the system state layer data communication protocol;
step 4, receiving an application mode instruction from the second wireless terminal,
and 5, realizing smooth switching between application modes according to the application mode instruction.
In a preferred embodiment, the baseband unit in the wireless terminal has a baseband clock, as shown in fig. 4, the baseband clock supports a frame length of 16ms for each frame, and a frame includes a downlink period (downlink period), an idle period (idlepoiod), and an uplink period (uplink period); the downlink time period corresponds to a downlink channel, and the uplink time period corresponds to an uplink channel; the downlink time period occupies at least 95% of the length of one of said frames and the uplink time period occupies at most 5% of the length of one of said frames.
In the downlink time period, the real-time hardware layer data communication protocol is supported, and the host adds configuration information into the frame head or the frame tail of a sent frame every time, so that the protocol is a unidirectional configuration protocol;
idle time period, without any protocol configuration;
in the uplink time period, a data communication protocol for realizing the equipment management layer is supported, the state of the Panel is reported by the Panel in the uplink time period of each frame, and the reporting frequencies corresponding to different equipment in the Panel can be different;
and in the uplink time period, the data communication protocol for realizing the system state layer is supported, and the state of the Panel is reported to the host after the Panel has a plurality of uplink time periods.
In a preferred embodiment, when the first trigger event occurs before the uplink period in the current frame, the second wireless terminal is notified in the uplink period of the current frame;
and when the first trigger event occurs in an uplink time period in the current frame, notifying the second wireless terminal in the uplink time period of the next frame of the current frame.
As shown in fig. 5, the baseband unit in the wireless terminal includes: the system comprises a baseband clock, a mode register, a touch interrupt register, a configuration register, a system state register, a connection transmission state register, an application register, an MCU, a GPIO and an RFIC interface; wherein,
after the interrupt caused by the touch event is accepted, the baseband clock judges whether the wireless terminal is in an idle mode after a period of time, and then configures a corresponding mode register, a system state register and the like, wherein the configuration register configures parameters of a system including an RFIC interface, front and rear gain amplifier gains and a phase-locked loop (PLL) clock according to the current state;
a mode register for setting the transmission mode by demodulating the flag frame of the transmission information and configuring the mode register;
if the touch event is in the Panle, setting an interrupt register for ensuring the highest priority of the interrupt caused by the touch event, and returning the information of the touch event to the host at the earliest uplink time period;
a configuration register, wherein the baseband unit configures the state of a corresponding module according to the mode register, the system state register and the touch interrupt register;
a system status register recording status parameters of the wireless terminal or different unit modules therein, such as a power saving mode, a Panel-supported standby mode, an S3 mode or an S4 mode, and a host-supported S0 mode;
and connecting a transmission status register, and recording parameters of the current transmission mode, such as bandwidth, channel and the like.
Due to different real-time requirements, the update time of each register is different, for example, because the mode register and the configuration register are related to real-time transmission, each frame is set to be 16ms or lower, the frames are set to be updated for multiple times, and the update time interval of the system state register can be 100-200 ms.
Thus, in a preferred embodiment, the mode switching instruction recorded on the flag frame includes:
a mode register, a touch interrupt register, a configuration register and a value of a connection transmission state register; wherein,
the mode register is stored with identifications corresponding to different transmission modes,
the Touch interrupt register has stored therein a priority, typically the highest priority, of a Touch (Touch) event;
the configuration registers store the status of the different unit modules in the wireless terminal,
the connection transfer status register stores parameters of the current transfer mode.
In a preferred embodiment, as shown in fig. 6, a predetermined number of frames are set as one period, each period including 4 frames;
reserving the downlink time period and the uplink time period in the first frame of the period, and only reserving the uplink time period in the rest frames of the period;
or, in the first frame of the cycle, the downlink time period and the uplink time period are reserved, and in the remaining frames of the cycle, the downlink time period and the uplink time period are not reserved.
In a preferred embodiment, a first wireless terminal communicates with a second wireless terminal using a first transmission mode;
when the second wireless terminal detects a second trigger event, and a third transmission mode corresponding to the second trigger event is different from the first transmission mode;
loading a mode switching instruction on a flag frame determined by a baseband unit of the second wireless terminal;
sending the flag frame to the first RF unit through the second RF unit by adopting the real-time hardware layer data communication protocol;
a second RF unit communicates with the first RF unit in the third transmission mode.
As shown in fig. 7, the first wireless terminal is specifically a panel of a split computer, and includes:
the system comprises a panel memory, a baseband unit, a first RF unit, an MCU and a display output unit; the display output unit controls image signals displayed by pixels in the display screen; the MCU handles touch events, as well as other control commands and status parameters.
As shown in fig. 8, the second wireless terminal is specifically a host of a split computer, and includes:
the system comprises a host memory, a baseband unit, a second RF unit, an MCU and a display input unit; the display input unit controls and receives image signals processed by a CPU from a host.
In an application scenario, a power supply is managed between a panel and a host based on a real-time hardware layer data communication protocol, an equipment management layer data communication protocol and a system state layer data communication protocol, and according to different real-time requirements, power supply management of different mechanisms is sequentially realized in the following three stages, including:
when the power supply management is carried out on the data transmission level equipment in the wireless terminal, a real-time hardware layer data communication protocol is adopted, and the method comprises the following steps:
step 1, currently, a Panel Panel communicates with a host computer in a first transmission mode;
step 2, Panel detects a first trigger event; the first trigger event is a touch event.
Step 3, Panel loads a mode switching instruction on the mark frame determined by the baseband unit;
step 4, Panel sends the mark frame to the second RF unit located in the host computer through the first RF unit by adopting the real-time hardware layer data communication protocol,
and 5, switching the second RF unit to a second transmission mode to communicate with the first RF unit.
When power supply management is carried out on system level equipment in the wireless terminal, a device management layer data communication protocol is adopted, and the method comprises the following steps:
step 6, at this time, the Panel Panel and the host computer communicate in the second transmission mode;
step 7, Panel sends the current power state, waiting time and handshake mechanism state to the host through the data communication protocol of the device management layer;
and 8, the Panel receives configuration information from the host, and configures various states of the Panel in the second transmission mode according to the configuration information.
When the power supply management is carried out on the service application of the wireless terminal, the system state layer data communication protocol is adopted, and the method comprises the following steps:
step 9, at this time, Panel and the host computer communicate in the second transmission mode; panel finds the application mode corresponding to the second transmission mode,
step 10, sending the application mode to a host through a system state layer data communication protocol;
at step 11, Panel receives an application mode command from the host,
and step 12, the Panel smoothly switches to another application mode according to the application mode instruction.
In an application scene, a power supply needs to be managed between the Panel and the host based on a real-time hardware layer data communication protocol, an equipment management layer data communication protocol and a system state layer data communication protocol; and when the host detects a second trigger event, sending the relevant information of the second trigger event to the Panel.
The second trigger event is a key operation, a streaming media playing, a game event, a quick image browsing and document operating event, and the like, and various operations of the second trigger event are expected to be switched to the following application modes:
1, in idle state, corresponding to idle mode;
2, displaying the image change with low frame rate, such as desktop or web page browsing, corresponding to the browsing mode;
3, editing the document and the like, corresponding to a document editing mode;
4, browsing the scene of the image, corresponding to the image mode;
5, playing a high-definition movie or a high-real-time game, wherein the high-definition movie or the high-real-time game corresponds to a high-definition mode and a game mode;
any of the above transmission modes is hereinafter referred to as a third transmission mode.
According to different real-time requirements, switching among different modes is sequentially realized in the following three stages, including:
step 1, currently, Panel adopts a first transmission mode to communicate with a host;
and 2, detecting a second trigger event by the host.
Step 3, loading a mode switching instruction on the mark frame determined by the baseband unit of the host;
step 4, the flag frame is sent to the first RF unit located in Panel through the second RF unit by adopting the real-time hardware layer data communication protocol,
and 5, the first RF unit switches to a third transmission mode to communicate with the second RF unit.
When power supply management is carried out on system level equipment in the wireless terminal, a device management layer data communication protocol is adopted, and the method comprises the following steps:
step 6, at this time, Panel and host computer communicate in the third transmission mode;
step 7, Panel sends the current power state, waiting time and handshake mechanism state to the host through the data communication protocol of the device management layer;
and 8, the Panel receives the configuration information from the host, and configures various state parameters of the Panel in a third transmission mode according to the configuration information.
When the power supply management is carried out on the service application of the wireless terminal, the system state layer data communication protocol is adopted, and the method comprises the following steps:
at this point, Panel communicates with the host in the third transmission mode, step 9. Panel finds the application mode corresponding to the third transmission mode,
step 10, sending the application mode to a host through a system state layer data communication protocol;
at step 11, Panel receives an application mode command from the host,
and step 12, the Panel smoothly switches to another application mode according to the application mode instruction.
By applying the technical scheme provided by the embodiment, as shown in fig. 8, the total power consumption of the Panel in the time length of 1 second is set to be W, and the power consumption of the wireless display sending module accounts for 80% of the total power consumption of the Panel, namely 0.8W; taking 4 frames as an example of a period, in the period, only one frame is used, the rest frames are not used, or only the uplink time period UL of the frame is used, without loss of generality, it is set that the downlink time period DL occupies 95% of one frame, the UL occupies 5% (upper limit value) of one frame, and the display frame rate in the second mode is 64 frames, then:
1, only one frame is used, and only the uplink period UL is used in the remaining 3 frames, then in the second mode, the power consumption of each frame is P ═ 0.8W/64;
switching to the first mode, the power consumption of the first frame is still P, the power consumption of the 2-4 th frames is P x 5% x 3,
the power consumption in one second is: 16P +16 (P5% 3).
The power consumption saved is: 0.8W- (16P +16 (P5% 3)).
2, only one frame is used, and the rest 3 frames are not used, then in the second mode, the power consumption of each frame is P ═ 0.8W/64;
switching to the first mode, the power consumption of the first frame is still P, the power consumption of the 2 nd to 4 th frames is 0,
the power consumption in one second is: 16P.
The power consumption saved is: 0.8W-16P.
It can be known through calculation that, by adopting the technical solutions provided by the above embodiments of the present invention, when the power consumption of one of the first display frame rate and the second display frame rate is smaller, the power consumption of the first electronic device can be reduced, and the power consumption of the second electronic device can be reduced.
An embodiment of the present invention further provides a wireless terminal, where if the wireless terminal is specifically a first wireless terminal, the method includes:
a first RF unit for supporting the wireless terminal in a first transmission mode;
the first detection unit is used for notifying a first baseband unit when a first trigger event is detected and a second transmission mode corresponding to the first trigger event is different from the first transmission mode;
a first baseband unit for determining a flag frame;
a first mode instruction unit for loading a mode switching instruction on the flag frame;
the first RF unit is also used for communicating with the second wireless terminal in the second transmission mode where the second RF unit is located.
The wireless terminals in the embodiments should be understood to include a first wireless terminal, a second wireless terminal, and other wireless terminals distinct from the first wireless terminal and the second wireless terminal.
The unit module in the wireless terminal comprises: data transmission level equipment, system level equipment and service application. The business application is usually non-physical business logic, and corresponds to different application modes.
In a preferred embodiment, the real-time hardware layer data communication protocol is adopted when power management is carried out on data transmission level equipment in the wireless terminal;
when power supply management is carried out on system level equipment in the wireless terminal, a data communication protocol of the equipment management layer is adopted;
when the power supply management is carried out on the service application of the wireless terminal, the data communication protocol of the system state layer is adopted; the method comprises the following steps: and performing power supply management on the service application currently processed by the wireless terminal, controlling the power consumption of the service application to be in a proper level, and switching to a corresponding application mode according to different states of the service application.
In a preferred embodiment, the wireless terminal further comprises:
a mode register for storing the corresponding identification of different transmission modes,
a touch interrupt register for storing a priority of the touch event,
a configuration register for storing the status of different unit modules in the wireless terminal,
the connection transmission state register is used for storing the parameters of the current transmission mode;
the mode switching instruction includes: the mode register, the touch interrupt register, the configuration register and the value of the connection transmission state register.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (12)
1. A method for realizing power supply management by a layered data communication protocol is applied between a plurality of wireless terminals, wherein the plurality of wireless terminals comprise at least one first wireless terminal and at least one second wireless terminal; the first wireless terminal at least comprises a display unit and a first data transceiving unit; the second wireless terminal at least comprises a processing unit and a second data receiving and transmitting unit; the first wireless terminal and the second wireless terminal carry out wireless data communication through a first data transceiver unit and a second data transceiver unit; it is characterized in that the preparation method is characterized in that,
the layered data communication protocol comprises a real-time hardware layer data communication protocol, an equipment management layer data communication protocol and a system state layer data communication protocol;
when the power supply of the data transmission level equipment in the wireless terminal is managed, the real-time hardware layer data communication protocol is adopted;
when power supply management is carried out on system level equipment in the wireless terminal, a data communication protocol of the equipment management layer is adopted;
and when the power supply management is carried out on the service application of the wireless terminal, the system state layer data communication protocol is adopted.
2. The method of claim 1, wherein a first priority of the real-time hardware layer data communication protocol is greater than a second priority of the device management layer data communication protocol;
the second priority of the device management layer data communication protocol is greater than the third priority of the system state layer data communication protocol.
3. The method of claim 1, wherein the data transmission stage device is a radio frequency unit or a baseband unit of the wireless terminal, and the radio frequency unit comprises a first radio frequency unit and a second radio frequency unit.
4. The method of claim 1, wherein the system level device is an audio decoding device, a video decoding device, a sensor, or a touch screen of the wireless terminal.
5. The method of claim 1, wherein power managing the service application of the wireless terminal means that the wireless terminal enters different application modes.
6. The method according to claim 3, wherein the step of using the real-time hardware layer data communication protocol when power managing a data transmission level device in the wireless terminal comprises the steps of:
the first wireless terminal communicates with a second wireless terminal in a first transmission mode;
the first wireless terminal detects a first trigger event;
loading a mode switching instruction on the mark frame determined by the baseband unit;
sending the flag frame to the second radio frequency unit through the first radio frequency unit by adopting the real-time hardware layer data communication protocol,
the second radio frequency unit is switched to a second transmission mode to communicate with the first radio frequency unit.
7. The method of claim 6, wherein the device management layer data communication protocol is used when power managing a system level device in a wireless terminal, comprising the steps of:
after the first wireless terminal and the second wireless terminal communicate in the second transmission mode;
sending the current power state, the waiting time and the handshake mechanism state to the second wireless terminal through the device management layer data communication protocol,
and receiving configuration information from the second wireless terminal, and configuring various states of the first wireless terminal in the second transmission mode according to the configuration information.
8. The method of claim 6, wherein the system state layer data communication protocol is used when power managing a service application of a wireless terminal, comprising the steps of:
after the first wireless terminal and the second wireless terminal communicate in the second transmission mode;
finding an application mode corresponding to the second transmission mode,
sending the application mode to the second wireless terminal through the system state layer data communication protocol;
receiving an application mode instruction from the second wireless terminal,
and realizing smooth switching of the current application program according to the application mode instruction.
9. The method of claim 6,
the baseband unit is provided with a baseband clock, and the length of a frame of each frame supported by the baseband clock is 16ms, and the frame comprises a downlink time period and an uplink time period;
said downlink time period occupies at least 95% of a length of one of said frames, and said uplink time period occupies at most 5% of a length of one of said frames.
10. The method of claim 9,
when the first trigger event occurs before the uplink time period in the current frame, notifying the second wireless terminal in the uplink time period of the current frame;
and when the first trigger event occurs in an uplink time period in the current frame, notifying the second wireless terminal in the uplink time period of the next frame of the current frame.
11. The method of claim 9,
setting a predetermined number of frames as a period, each period including 4 frames;
reserving the downlink time period and the uplink time period in the first frame of the period, and only reserving the uplink time period in the rest frames of the period;
or, in the first frame of the cycle, the downlink time period and the uplink time period are reserved, and in the remaining frames of the cycle, the downlink time period and the uplink time period are not reserved.
12. The method of claim 3,
the first wireless terminal communicates with a second wireless terminal in a first transmission mode;
when the second wireless terminal detects a second trigger event, and a third transmission mode corresponding to the second trigger event is different from the first transmission mode;
loading a mode switching instruction on a flag frame determined by a baseband unit of the second wireless terminal;
sending the flag frame to the first radio frequency unit through the second radio frequency unit by adopting the real-time hardware layer data communication protocol,
and the second radio frequency unit communicates with the first radio frequency unit in the third transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110348729.4A CN103092307B (en) | 2011-11-07 | 2011-11-07 | A kind of method being realized power management by individual-layer data communication protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110348729.4A CN103092307B (en) | 2011-11-07 | 2011-11-07 | A kind of method being realized power management by individual-layer data communication protocol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103092307A CN103092307A (en) | 2013-05-08 |
| CN103092307B true CN103092307B (en) | 2015-11-25 |
Family
ID=48204985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110348729.4A Active CN103092307B (en) | 2011-11-07 | 2011-11-07 | A kind of method being realized power management by individual-layer data communication protocol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103092307B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050045059A (en) * | 2003-11-10 | 2005-05-17 | 한국전자통신연구원 | Apparatus and method for controlling wireless device of wireless control network |
| CN101689891A (en) * | 2006-10-13 | 2010-03-31 | Lg电子株式会社 | Method for managing the power in the wireless network |
| CN101800814A (en) * | 2009-01-23 | 2010-08-11 | 瑞昱半导体股份有限公司 | Wireless communication device power management method and wireless communication device |
| US7961756B1 (en) * | 2006-11-21 | 2011-06-14 | Picomobile Networks, Inc. | Integrated multimedia system |
-
2011
- 2011-11-07 CN CN201110348729.4A patent/CN103092307B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050045059A (en) * | 2003-11-10 | 2005-05-17 | 한국전자통신연구원 | Apparatus and method for controlling wireless device of wireless control network |
| CN101689891A (en) * | 2006-10-13 | 2010-03-31 | Lg电子株式会社 | Method for managing the power in the wireless network |
| US7961756B1 (en) * | 2006-11-21 | 2011-06-14 | Picomobile Networks, Inc. | Integrated multimedia system |
| CN101800814A (en) * | 2009-01-23 | 2010-08-11 | 瑞昱半导体股份有限公司 | Wireless communication device power management method and wireless communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103092307A (en) | 2013-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8479028B2 (en) | Techniques for communications based power management | |
| US10573269B2 (en) | Data transmission method and electronic device | |
| US8989096B2 (en) | Application-aware radio power saving | |
| KR101549819B1 (en) | Techniques to transmit commands to a target device | |
| US9144014B2 (en) | Method for operating portable terminal to reduce power during support of communication service and portable terminal supporting the same | |
| US9131443B2 (en) | Portable terminal and communication control method | |
| WO2019210754A1 (en) | Network search control method and device, and mobile terminal | |
| CN106658064B (en) | Virtual gift display method and device | |
| CN112817685B (en) | Display switching method and device, electronic equipment and storage medium | |
| EP1544716A2 (en) | Information processing system and operating system | |
| EP3660676A1 (en) | Process management method and apparatus, storage medium, and electronic device | |
| US20140320750A1 (en) | Wireless display system, wireless display device and method for switching working mode | |
| US20110239024A1 (en) | Low Power Consumption Network Device and Communication Method Thereof | |
| US8150459B2 (en) | Information apparatus and controlling method thereof | |
| KR102692850B1 (en) | Co-existence of full frame and partial frame idle image updates | |
| CN113038273B (en) | Video frame processing method and device, storage medium and electronic equipment | |
| EP3913991A1 (en) | Wi-fi adaptive beacon skipping for battery-powered devices | |
| CN111628801B (en) | Radio frequency front-end device control method and user equipment | |
| CN103092307B (en) | A kind of method being realized power management by individual-layer data communication protocol | |
| US9197778B2 (en) | Method for reducing communication delay in printing apparatus having a wireless LAN capability | |
| CN103853305A (en) | Power management method and electronic device | |
| CN114867091B (en) | Low-power-consumption driving method, device and medium based on communication mode | |
| US20230072161A1 (en) | Method of display control and related display driver circuit and application processor | |
| US20240188180A1 (en) | Communication method and device | |
| WO2023001129A1 (en) | Image frame transmission method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |