WO2014000138A1 - 一种设置通信模式的方法及Wi-Fi设备 - Google Patents
一种设置通信模式的方法及Wi-Fi设备 Download PDFInfo
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- WO2014000138A1 WO2014000138A1 PCT/CN2012/077411 CN2012077411W WO2014000138A1 WO 2014000138 A1 WO2014000138 A1 WO 2014000138A1 CN 2012077411 W CN2012077411 W CN 2012077411W WO 2014000138 A1 WO2014000138 A1 WO 2014000138A1
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- Prior art keywords
- mode
- wireless network
- uplink wireless
- value
- current uplink
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Classifications
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- 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
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
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- 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
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention belongs to the field of communications technologies, and in particular, to a method for setting a communication mode and a Wi-Fi device. Background of the invention:
- Wi-Fi devices can be used as one Portable devices that share LTE networks or 3G network upstream bandwidth by Wi-Fi devices are also becoming more and more popular among users.
- the Wi-Fi device has its own LTE/3G chip and Wi-Fi chip, and its uplink accesses the network through LTE network, 3G network and other wireless networks, and downlinks through 802.11b/g/n Wi-Fi network for other Wi- Fi devices access the network.
- mainstream Wi-Fi devices are generally available for more than 10 Wi-Fi devices to access LTE networks and 3G networks through Wi-Fi. These Wi-Fi devices can be laptops, tablets, and mobile phones.
- the current maximum downlink rate of LTE networks can reach 150 Mbps, which is nearly 10 to 20 times higher than that of 3G networks.
- Wi-Fi users can use the higher speed for Internet surfing.
- Wi-Fi Multiple-Input Single Output (MIMO) has been used in the latest Wi-Fi devices in the industry.
- Technology by using multiple RF and antennas, can increase the maximum speed of Wi-Fi networks to more than 100Mbps.
- the embodiment of the invention discloses a method for setting a communication mode and a Wi-Fi device, so as to solve the problem that a Wi-Fi device uses a MIMO mode to establish a Wi-Fi network with a large energy consumption.
- the embodiment of the present invention discloses a Wi-Fi device, where the Wi-Fi device includes a radio frequency circuit, a signal processor, an application processor, and a Wi-Fi chip.
- the RF circuit is configured to receive and transmit an analog signal
- the signal processor is used for converting digital signals and analog signals
- the application processor is configured to preset a working mode of the Wi-Fi chip to a single input single output (SISO) mode, and is further configured to acquire an uplink wireless network parameter value, where the uplink wireless network is determined.
- SISO single input single output
- the Wi-Fi chip supports SISO mode and MIMO mode for Wi-Fi communication.
- the uplink wireless network parameter is a current uplink wireless network speed or a current uplink wireless network bandwidth
- the application processor is specifically configured to obtain a current uplink wireless network speed, and set the working mode of the Wi-Fi chip to the MIMO mode when determining that the current uplink wireless network speed is greater than or equal to a preset value; or
- the application processor is specifically configured to obtain the current uplink wireless network bandwidth, and set the working mode of the Wi-Fi chip to the MIMO mode when determining that the current uplink wireless network bandwidth is greater than or equal to a preset value.
- the uplink wireless network parameter value is a current uplink wireless network speed and a current uplink wireless network bandwidth
- the application processor is specifically configured to:
- the application processor acquires the current uplink wireless network bandwidth
- the application processor determines that the current uplink wireless network bandwidth is greater than or equal to the second value, the application processor sets the working mode of the Wi-Fi chip to the MIMO mode; if the application processor determines the current uplink wireless If the network bandwidth is less than the second value, then The application processor maintains the working mode of the Wi-Fi chip in the SISO mode.
- the uplink wireless network parameter value is a current uplink wireless network speed and a current uplink wireless network bandwidth
- the application processor is specifically configured to:
- the application processor acquires the current uplink wireless network speed
- the application processor determines that the current uplink wireless network speed is greater than or equal to a fourth value, the application processor sets the working mode of the Wi-Fi chip to the MIMO mode;
- the application processor determines that the current uplink wireless network speed is less than the fourth value, the operating mode of the Wi-Fi chip is maintained in the SISO mode.
- the application processor further For obtaining the current uplink wireless network speed; if the application processor determines that the current uplink wireless network speed is less than the fifth value, the application processor sets the working mode of the Wi-Fi chip to the SISO mode.
- the application processor presets the working mode of the Wi-Fi chip to the SISO mode, and the method includes: determining, by the application processor, the access The network standard of the network determines whether the network speed of the access network reaches a sixth value according to the network standard, and if so, the application processor presets the working mode of the Wi-Fi chip to the SISO mode, otherwise The working mode of the Wi-Fi chip is set to the SISO mode and the process ends.
- the application processor presets an operating mode of the Wi-Fi chip to a SISO mode, where: the application processor determines Determining a maximum network speed defined in the Internet package of the Wi-Fi device. If the application processor determines that the maximum network speed is greater than or equal to a seventh value, the application processor presets the working mode of the Wi-Fi chip to SISO mode, otherwise the operating mode of the Wi-Fi chip is set to SISO mode and the process ends.
- an embodiment of the present invention discloses a method for setting a communication mode, which is applied to a Wi-Fi device supporting Wi-Fi communication in a SISO mode and a MIMO mode, including: Wi-Fi mode of the Wi-Fi device The default is SISO mode;
- the Wi-Fi mode of the Wi-Fi device is set to the MIMO mode.
- the uplink wireless network parameter is a current uplink wireless network speed or a current uplink wireless network bandwidth.
- the acquiring the uplink wireless network parameter value, if the uplink wireless network parameter value is greater than or equal to a preset For the value, setting the Wi-Fi mode of the Wi-Fi device to MIMO mode includes:
- the Wi-Fi mode is maintained in the SISO mode.
- the uplink wireless network parameter value is a current uplink wireless network speed and a current uplink wireless network bandwidth
- the uplink wireless network parameter value is obtained, if the uplink wireless network parameter value is greater than or equal to a preset.
- setting the Wi-Fi mode of the Wi-Fi device to MIMO mode includes:
- the Wi-Fi mode is maintained in the SISO mode.
- the method further includes:
- the Wi-Fi mode of the Wi-Fi device is set to the SISO mode.
- the presetting the Wi-Fi mode of the Wi-Fi device to the SISO mode includes:
- the Wi-Fi device determines a network standard of the access network, and determines, according to the network standard, whether the network speed of the access network reaches a sixth value, and if so, presets the Wi-Fi mode of the Wi-Fi device to SISO mode, otherwise set the Wi-Fi mode to SISO mode and end the process.
- the presetting the Wi-Fi mode of the Wi-Fi device to the SISO mode includes:
- the Wi-Fi device determines a maximum network speed defined in the Wi-Fi device's Internet package. If the maximum network speed is greater than or equal to the seventh value, the Wi-Fi mode of the Wi-Fi device is preset to the SISO mode. , otherwise set the Wi-Fi mode to SISO mode and end the process.
- the Wi-Fi mode of the Wi-Fi device is preset to the SISO mode, and the preset is satisfied in the uplink wireless network.
- the Wi-Fi mode of the Wi-Fi device is switched to the MIMO mode, thereby avoiding the problem that the device consumes a large amount of energy caused by turning on the MIMO mode when the quality of the uplink wireless network is poor, thereby improving the battery life.
- FIG. 1 is a schematic structural diagram of a Wi-Fi device according to an embodiment of the present invention.
- FIG. 2 is a schematic flowchart of a method for setting a communication mode according to an embodiment of the present invention
- FIG. 3 is a schematic flowchart of another method for setting a communication mode according to an embodiment of the present invention
- FIG. 4 is a schematic flow chart of another method for setting a communication mode according to an embodiment of the present invention.
- FIG. 5 is a schematic flow chart of another method for setting a communication mode according to an embodiment of the present disclosure
- FIG. 6 is a schematic flow chart of another method for setting a communication mode according to an embodiment of the present invention.
- FIG. 7 is a schematic flow chart of another method for setting a communication mode according to an embodiment of the present disclosure.
- FIG. 8 is a schematic flow chart of another method for setting a communication mode according to an embodiment of the present invention. Mode for carrying out the invention
- the Wi-Fi devices described in the embodiments of the present invention include, but are not limited to, mobile devices, tablet computers, notebook computers, mobile 3G/LTE routers, and the like.
- the device can access the 3G network or the LTE network, and can be used as a relay hotspot to establish a Wi-Fi network by using the network bandwidth of the accessed 3G network or the LTE network, so as to be accessible to other user equipments.
- the invention can be implemented as a Wi-Fi device.
- 3G network and LTE network are just two examples, and devices supporting other wireless networks can also implement the present invention as a Wi-Fi device.
- the invention is not limited thereto.
- the uplink wireless network described in the embodiment of the present invention refers to information of a user card through which the Wi-Fi device is connected, such as SIM card information, USIM card information, and access to a wireless wide area network, such as a 3G network.
- the LTE network and the like; the downlink network described in the embodiment of the present invention refers to a Wi-Fi network established by the Wi-Fi device as an uplink wireless network accessed by the Wi-Fi device.
- an embodiment of the present invention provides a Wi-Fi device, including a radio frequency circuit 101, a signal processor 102, an application processor 103, and a Wi-Fi chip 104.
- the radio frequency circuit 101 is configured to receive and transmit an analog signal.
- the radio frequency circuit 101 may include an antenna for transmitting and receiving an analog signal, where the analog signal may also be referred to as a baseband signal, and may further include a power amplifier for amplifying the power of the analog signal before transmitting the analog signal, and Contains filters, mixers, etc.
- the radio frequency circuit 101 is specifically configured to receive an analog signal that includes a current uplink wireless network bandwidth, and transmit the analog signal that includes the current uplink wireless network bandwidth to the signal processor 102.
- the signal processor 102 is configured to implement conversion, encoding and decoding of digital signals and analog signals.
- the signal processor 102 may specifically be a digital signal processor (DSP), which can implement digital-to-analog conversion of signals, and complete coding and decoding of signals and channels.
- DSP digital signal processor
- the analog signal received and transmitted by the radio frequency circuit needs to be processed by the signal processor 102. For example, when the Wi-Fi device sends a signal to the base station, the digital signal generated by the Wi-Fi device needs to be converted into a digital signal by the signal processor 102.
- the radio frequency circuit 101 Analog signal, and encode, encrypt, Then, the radio frequency circuit 101 sends out; when the Wi-Fi device receives the signal from the base station, the base station signal needs to be converted into a digital signal and decoded by the signal processor 102.
- the signal processor 102 is specifically configured to convert and decode an analog signal that includes a current uplink wireless network bandwidth, and obtain a value of a current uplink wireless network bandwidth, and transmit the value to the application processor 103.
- the application processor 103 is configured to control the working mode of the Wi-Fi chip; preset the working mode of the Wi-Fi chip to the SISO mode; and further, obtain the value of the uplink wireless network parameter, where the uplink wireless network parameter value includes the current uplink wireless network.
- the speed or the current uplink wireless network bandwidth when determining that the uplink wireless network parameter value is greater than or equal to a preset value, set the working mode of the Wi-Fi chip to the MIMO mode.
- the application processor 103 may be an ARM-based Micro Control Unit (MCU), which controls the Wi-Fi chip through computer commands such as AT commands, and turns on the Wi-Fi device and accesses an uplink wireless device.
- MCU Micro Control Unit
- the application processor 103 may be an ARM-based Micro Control Unit (MCU), which controls the Wi-Fi chip through computer commands such as AT commands, and turns on the Wi-Fi device and accesses an uplink wireless device.
- MCU Micro Control Unit
- the application processor 103 may be an ARM-based Micro Control Unit (MCU), which controls the Wi-Fi chip through computer commands such as AT commands, and turns on the Wi-Fi device and accesses an uplink wireless device.
- SISO mode the working mode of the Wi-Fi chip
- the working mode of the Wi-Fi chip is preset to the MIMO mode, and the Wi-Fi network rate can be not affected.
- the application processor 103 can also obtain the uplink wireless network parameter value, and adjust the working mode of the Wi-Fi chip according to the size of the uplink wireless network parameter.
- the uplink wireless network parameter value includes at least one of a current uplink wireless network speed and a current uplink wireless network bandwidth.
- the embodiment of the present invention provides different solutions for obtaining the current uplink wireless network speed and obtaining the current uplink wireless network bandwidth.
- the application processor 103 obtains the current uplink wireless network speed
- the application processor 103 is configured according to the radio frequency circuit 101. And the signal received by the signal processor 102 in real time, and the data traffic, detecting the real-time uplink wireless network speed of the Wi-Fi device.
- the application office can send air interface signaling to the base station or the network server through the radio frequency circuit 101 and the signal processor, requesting the base station or the network server to deliver the value of the bandwidth that the current uplink wireless network can allocate to the Wi-Fi device, or the base station or the network.
- the server can also actively send and broadcast the value of the bandwidth that the current uplink wireless network can allocate to the Wi-Fi device, so that the application processor 103 can obtain the current uplink wireless network bandwidth.
- the Wi-Fi chip 104 supports SISO mode and MIMO mode for Wi-Fi communication. Among them, the Wi-Fi chip 104 supports the use of the bandwidth of the uplink wireless network to establish a downlink Wi-Fi network. As shown in FIG. 1, the Wi-Fi chip 104 may include two antennas and two Wi-Fi radio circuits to implement a 2 ⁇ 2 MIMO mode, and may also include four antennas and four Wi-Fi radio circuits. Realize 4 X 4 MIMO mode, or other multi-input and output MIMO modes. The drawings and some embodiments of the present invention are described by taking a 2 x 2 MIMO mode as an example, but this does not constitute a limitation of the present invention. The mode of operation switching of the Wi-Fi chip 104 is controlled by the application processor 103.
- the Wi-Fi device further includes a power management chip 105, configured to supply power to the radio frequency circuit 101, the signal processor 102, the application processor 103, and the Wi-Fi chip 104.
- the radio frequency circuit 101, the signal processor 102, the application processor 103, and the Wi-Fi chip 104 may also be used in other manners.
- the Wi-Fi device also includes a Universal Subscriber Identity Module (USIM) card 106.
- USB Universal Subscriber Identity Module
- the value of the uplink wireless network parameter may be the current uplink wireless network speed, or may be the current uplink wireless network bandwidth.
- the application processor 103 can obtain the current uplink wireless network speed, and adjust the working mode of the Wi-Fi chip 104 according to the current uplink wireless network speed.
- the preset value of the uplink wireless network speed is the first value, and the first value is 25 Mbps.
- the application processor 103 obtains the current uplink wireless network speed value in real time according to the foregoing solution, and compares the current uplink wireless network speed with the first value. If the current uplink wireless network speed is greater than or equal to 25 Mbps, the Wi-Fi chip 104 is used.
- the MIMO mode is set to meet the network speed requirement of the Wi-Fi network. If the current uplink wireless network speed is less than 25 Mbps, the operation of switching the working mode of the Wi-Fi chip 104 is not performed, and the Wi-Fi chip 104 is kept in the SISO mode. To save energy in Wi-Fi devices.
- the application processor 103 can obtain the current uplink wireless network bandwidth, and adjust the working mode of the Wi-Fi chip 104 according to the current uplink wireless network bandwidth.
- the preset value of the bandwidth of the uplink wireless network is the second value, and the second value is 35 Mbps.
- the application processor 103 obtains the value of the uplink wireless network bandwidth according to the foregoing solution, and compares the uplink wireless network bandwidth with the second value. If the uplink wireless network bandwidth is greater than or equal to 35 Mbps, the working mode of the Wi-Fi chip 104 is set.
- the Wi-Fi chip 104 In the MIMO mode, since the uplink wireless network bandwidth can reach a certain value at this time, the data throughput rate of the Wi-Fi network can also reach a higher value, and setting the working mode of the Wi-Fi chip 104 to the MIMO mode can be better.
- the Wi-Fi network needs to meet the network speed requirement; if the uplink wireless network bandwidth is less than 25 Mbps, the operation mode of switching the Wi-Fi chip 104 is not performed, and the Wi-Fi chip 104 is kept in the SISO mode because the bandwidth directly affects The size of the network speed, if the bandwidth is low, even if the network speed requirement of the Wi-Fi network is high, high-speed wireless data transmission cannot be realized. At this time, if the Wi-Fi chip 104 operates in the MIMO mode, it is unnecessary. .
- the application processor 103 acquires the current uplink wireless network speed, and after determining that the current uplink wireless network speed is greater than or equal to the first value, the working mode of the Wi-Fi chip is Before being set to the MIMO mode, the application processor 103 acquires the current uplink wireless network bandwidth, and determines whether the acquired current uplink wireless network bandwidth is greater than or equal to a second value, such as 35 Mbps, if the current uplink wireless network bandwidth is greater than or equal to the first The two values are used to set the working mode of the Wi-Fi chip to the MIMO mode. If the current uplink wireless network bandwidth is less than the second value, the working mode of the Wi-Fi chip is not set to the MIMO mode, and the SIMO mode is maintained.
- a second value such as 35 Mbps
- the working mode of the Wi-Fi chip is converted when the network speed demand is large and the bandwidth is sufficient, so as to avoid the Wi-Fi core when the bandwidth is insufficient.
- the working mode of the chip is converted to MIMO mode, which causes waste of power.
- the application processor 103 obtains the current uplink wireless network bandwidth, and after determining that the current uplink wireless network bandwidth is greater than or equal to the third value, for example, the third value is 40 Mbps.
- the application processor 103 acquires the current uplink wireless network speed, and determines whether the obtained current uplink wireless network speed is greater than or equal to a fourth value, such as 30 Mbps, if current If the uplink wireless network speed is greater than or equal to the fourth value, the working mode of the Wi-Fi chip is set to the MIMO mode; if the current uplink wireless network speed is less than the fourth value, the working mode of the Wi-Fi chip is not Set to MIMO mode, keep SIMO mode.
- a fourth value such as 30 Mbps
- the working mode of the Wi-Fi chip is converted when the current network speed requirement of the user terminal is sufficiently large, so as to prevent the working mode of the Wi-Fi chip from being converted into the MIMO mode when the network speed requirement is not large enough, causing the power Waste.
- the application processor 103 may also extract in real time, or at intervals, or randomly obtain the current uplink.
- Wireless network speed if the current uplink wireless network speed is less than the fifth value, such as 30 Mbps, then it can be considered that the user terminal's demand for the network speed has been reduced, and the application processor switches the working mode of the Wi-Fi chip to the SISO mode.
- the Wi-Fi chip 104 operates in the SISO mode when the user terminal does not have a high demand for the network speed, thereby reducing power consumption.
- the application processor 103 presets the working mode of the Wi-Fi chip 104 to the SISO mode, and provides various modes.
- An optional method is: after the Wi-Fi device is powered on for network scanning, according to the initial network configuration of the Wi-Fi device (for example, set to 3G Only, that is, only the 3G network is used), or the network of the current local area is available. In the case (for example, only certain 3G or 2G networks are available in certain areas), or network priority, Wi-Fi devices will choose a suitable network standard.
- the application processor 103 needs to detect the uplink wireless network parameter value in the subsequent process to switch the working mode of the Wi-Fi chip 104.
- the application processor 103 determines that the network speed of the network to which the Wi-Fi device joins can reach a sixth value, such as 35 Mbps, the application processor 103 presets the working mode of the Wi-Fi chip to the SISO mode, and The application processor 103 performs the foregoing method of detecting the uplink wireless network parameter value and switching the working mode of the Wi-Fi chip 104; if the application processor 103 determines that the network speed of the network to which the Wi-Fi device joins cannot reach the first The six values, for example, if the network to which the Wi-Fi device joins is a WCDMA network, the application processor 103 sets the working mode of the Wi-Fi chip 104 to the SISO mode.
- a sixth value such as 35 Mbps
- the application processor is unchanged as long as the network standard is unchanged.
- the 103 does not need to detect, determine or judge the value of the uplink wireless network parameter, nor does it need to switch the working mode of the Wi-Fi chip 104. Therefore, when the network joined by the Wi-Fi device cannot reach the network speed defined by the sixth value, the working mode of the Wi-Fi chip 104 is set to the SISO mode, which reduces the power consumption.
- the Wi-Fi device can access the Wi-Fi device through the signaling interaction with the network server or the base station.
- the online package information used by the account the application processor 103 can determine the maximum network speed defined in the package by using the online package information, and if the maximum network speed defined in the package is greater than or equal to a seventh value, such as 35 Mbps, the application processing
- the device 103 presets the working mode of the Wi-Fi chip to the SISO mode, and during the online process, the application processor 103 performs the foregoing detection of the uplink wireless network parameter value and switches the working mode of the Wi-Fi chip 104.
- the application processor 103 determines that the maximum network speed defined in the package is less than the seventh value, the application processor 103 sets the working mode of the Wi-Fi chip 104 to the SISO mode, and in the subsequent Internet access process, as long as the uplink wireless network
- the application processor 103 does not need to detect, determine, or determine the value of the uplink wireless network parameter, and does not need to switch the Wi-Fi chip 104.
- Operating mode Therefore, when the maximum network speed of the online account of the Wi-Fi device cannot reach the network speed defined by the seventh value, the working mode of the Wi-Fi chip 104 is set to the SISO mode, and the lowering is performed. Energy consumption.
- the Wi-Fi device may first determine whether to perform a subsequent switching operation on the network system that joins the network when the network is scanned, and then determine whether to perform a subsequent switching operation according to the online package information when dialing the Internet access, and the specific process may refer to A detailed description of the following embodiments.
- first numerical value, second numerical value, third numerical value, fourth numerical value, fifth numerical value, sixth numerical value, and seventh numerical value are merely exemplary names, and the numerical values may be equal or unequal. The invention is not limited thereto.
- radio frequency circuit 101 and the signal processor 102 in the embodiment of the present invention may be implemented by using a separate chip, or may be integrated baseband chips, or may be functional modules integrated in the baseband chip.
- the application processor 103 can be a microprocessor or can be integrated with a signal processor 102 or RF circuit 101 into a baseband chip.
- the various hardware components in this embodiment may be combined into one hardware entity, or may be changed accordingly and split into multiple hardware entities or structures.
- an embodiment of the present invention when the Wi-Fi device is started, the Wi-Fi mode of the Wi-Fi device is preset to the SISO mode, and the Wi-Fi device is Wi-Fi when the uplink wireless network meets the preset condition.
- the mode is switched to the MIMO mode, thereby avoiding the problem that the device consumes a large amount of energy caused by turning on the MIMO mode when the quality of the uplink wireless network is poor, and the battery life is improved.
- an embodiment of the present invention further provides a method for setting a communication mode, where the method includes:
- Step 204 The Wi-Fi mode of the Wi-Fi device is preset to a SISO mode.
- the Wi-Fi device When the Wi-Fi device is powered on and connected to an upstream wireless network, first set the working mode of the Wi-Fi chip to SISO mode, turn off one or more antennas and Wi-Fi RF circuits, and then need Wi-Fi.
- the SISO mode can be switched to the MIMO mode. Since the Wi-Fi device is just powered on, the data throughput of the Wi-Fi network is generally under normal circumstances. The rate is not high, so the Wi-Fi mode is preset to the SISO mode. Compared with the existing boot, the Wi-Fi mode is preset to the MIMO mode, which can effectively save Wi without affecting the Wi-Fi network rate. - The energy consumption of the Fi device.
- Step 205 Acquire an uplink wireless network parameter value, and determine whether the uplink wireless network parameter value is greater than or equal to a preset value.
- the uplink wireless network parameter value includes at least one of a current uplink wireless network speed or a current uplink wireless network bandwidth.
- the Wi-Fi device can detect the real-time uplink wireless network speed of the Wi-Fi device according to the real-time received signal and the data traffic; the Wi-Fi device can send the air interface signaling to the base station or the network server, requesting the base station or the network server to deliver the current.
- the value of the bandwidth that the uplink wireless network can allocate to the Wi-Fi device, or the base station or the network server can also actively send and broadcast the value of the bandwidth that the current uplink wireless network can allocate to the Wi-Fi device, so that the current uplink can be obtained. Wireless network bandwidth.
- Step 208 If the value of the uplink wireless network parameter is greater than or equal to the preset value, set the Wi-Fi mode of the Wi-Fi device to the MIMO mode.
- Step 207 If the value of the uplink wireless network parameter is less than the preset value, the Wi-Fi mode is maintained in the SISO mode.
- the Wi-Fi mode of the Wi-Fi device when the Wi-Fi device is started, the Wi-Fi mode of the Wi-Fi device is preset to the SISO mode, and when the uplink wireless network meets the preset condition, the Wi-Fi mode of the Wi-Fi device is used.
- Switching to MIMO mode avoids the problem of high energy consumption of the device caused by turning on the MIMO mode when the quality of the uplink wireless network is poor, and improves the battery life.
- the current uplink wireless network speed may be obtained, and the Wi-Fi mode is adjusted according to the current uplink wireless network speed.
- the preset value of the uplink wireless network speed is the first value, and the first value is 25 Mbps.
- the Wi-Fi device obtains the current uplink wireless network speed value in real time, and compares the current uplink wireless network speed with the first value. If the current uplink wireless network speed is greater than or equal to 25 Mbps, the Wi-Fi mode is set.
- MIMO mode to meet the network speed requirement of the Wi-Fi network; if the current uplink wireless network speed is less than 25 Mbps, the operation of switching the Wi-Fi mode is not performed, and the Wi-Fi mode is maintained. SISO mode to save energy consumption of Wi-Fi devices.
- the current uplink wireless network bandwidth may be acquired, and the Wi-Fi mode is adjusted according to the current uplink wireless network bandwidth.
- the preset value of the uplink wireless network speed is the third value
- the third value is 35 Mbps.
- the Wi-Fi device obtains the value of the uplink wireless network bandwidth in real time according to the foregoing scheme, and compares the uplink wireless network bandwidth with the third value. If the uplink wireless network bandwidth is greater than or equal to 35 Mbps, the Wi-Fi mode is set to the MIMO mode.
- the bandwidth of the uplink wireless network can reach a certain value at this time, the data throughput rate of the Wi-Fi network can also reach a higher value, and setting the Wi-Fi mode to the MIMO mode can better satisfy the Wi-Fi network.
- the bandwidth of the uplink wireless network is less than 25 Mbps, the operation of switching the Wi-Fi mode is not performed, and the Wi-Fi mode is maintained in the SISO mode, because the size of the bandwidth directly affects the network speed, and if the bandwidth is low, even if the bandwidth is low, Wi-Fi networks have high network speed requirements and cannot achieve high-speed wireless data transmission. At this time, if Wi-Fi devices work in MIMO mode, it is not necessary.
- the embodiment of the present invention further provides another method for setting a communication mode, including:
- Step 204 The Wi-Fi mode of the Wi-Fi device is preset to a SISO mode.
- Step 205a Obtain a current uplink wireless network speed, and determine whether the current uplink wireless network speed is greater than or equal to the first value. If it is determined that the current uplink wireless network speed is greater than or equal to the first value, then the process proceeds to step 205b; if it is determined that the current uplink wireless network speed is less than the first value, the process proceeds to step 207.
- Step 205b Obtain a current uplink wireless network bandwidth, and determine whether the current uplink wireless network bandwidth is greater than or equal to a second value. If it is determined that the current uplink wireless network bandwidth is greater than or equal to the second value, then the process proceeds to step 208; if it is determined that the current uplink wireless network bandwidth is less than the second value, the process proceeds to step 207.
- Step 208 Set the Wi-Fi mode of the Wi-Fi device to the MIMO mode.
- Step 207 Keep the Wi-Fi mode as SISO mode.
- the embodiment of the present invention further provides another method for setting a communication mode, including:
- Step 204 The Wi-Fi mode of the Wi-Fi device is preset to a SISO mode.
- Step 205c Obtain a current uplink wireless network bandwidth, and determine whether the current uplink wireless network bandwidth is greater than or equal to a third value. If it is determined that the current uplink wireless network bandwidth is greater than or equal to the third value, then the process proceeds to step 205a; if it is determined that the current uplink wireless network bandwidth is less than the third value, the process proceeds to step 207.
- Step 205d Obtain a current uplink wireless network speed, and determine whether the current uplink wireless network speed is greater than or equal to a fourth value. If it is determined that the current uplink wireless network speed is greater than or equal to the fourth value, then the process proceeds to step 208; if it is determined that the current uplink wireless network speed is less than the fourth value, the process proceeds to step 207.
- Step 208 Set the Wi-Fi mode of the Wi-Fi device to the MIMO mode.
- Step 207 Keep the Wi-Fi mode in SISO mode.
- the operation mode of the Wi-Fi chip is ensured when the network speed requirement of the Wi-Fi network is large, and the Wi-Fi chip is avoided when the network speed demand is not large.
- the working mode of the Fi chip is converted to the MIMO mode, resulting in waste of power.
- the method further includes
- Step 209 Acquire a current uplink wireless network speed, and determine whether the current uplink wireless network speed is greater than or equal to a fifth value. If the current uplink wireless network speed is less than the fifth value, the process proceeds to step 210; if the current uplink wireless network speed is greater than or equal to the fifth value, the process proceeds to step 211.
- Step 210 Set the Wi-Fi mode to the SISO mode. After step 210, the process may proceed to step 205c, or the process may be ended. Step 211: Keep the Wi-Fi mode as MIMO mode.
- the Wi-Fi device can extract in real time during the working process, or at intervals, or randomly obtain the current uplink wireless network speed, that is, step 209 can occur at any time after the step 208 until the Wi-Fi device stops working. If the current uplink wireless network speed is less than the fifth value, such as 30 Mbps, then the user terminal needs to reduce the network speed, and the Wi-Fi device switches the Wi-Fi mode to the SISO mode, so that the Wi-Fi network is connected. The user terminal works in the SISO mode when the network speed demand is not high, and the power consumption is reduced.
- the method may further include
- Step 201 Determine whether the network speed can reach the sixth value in the current network standard. If the network speed can reach the sixth value, proceed to step 204; if the network speed cannot reach the sixth value, proceed to step 203.
- Step 203 Set the Wi-Fi mode to SISO mode.
- Wi-Fi devices After the Wi-Fi device is powered on for network scanning, according to the initial network configuration of the Wi-Fi device (for example, set to 3G Only, that is, only use 3G network), or the network availability of the current geographical location (for example, only 3G in certain regions) Wi-Fi devices will choose a suitable network standard for factors such as 2G network availability, or network priority. Since the highest rates that different network standards can bring, such as LTE networks, can reach a rate of 150 Mbps; the general high speed packet access (HSPA) network can reach a rate of 14.4 Mbps, and the wideband code The Wideband Code Division Multiple Access (WCDMA) network can only reach a rate of 384Kbps.
- HSPA general high speed packet access
- WCDMA Wideband Code Division Multiple Access
- the Wi-Fi device it is determined whether it is necessary to perform detection of three pairs of uplink wireless network parameter values in the subsequent process to switch the Wi-Fi mode. If it is determined that the network speed of the network to which the Wi-Fi device joins can reach the sixth value, such as 35 Mbps, the Wi-Fi mode is preset to the SISO mode, and during the online process, the Wi-Fi device performs the foregoing uplink wireless network.
- the Wi-Fi mode is set to the SISO mode.
- the Wi-Fi device does not need to be on the uplink wireless network as long as the network standard is unchanged.
- the parameter values are detected, determined or judged, and there is no need to switch the Wi-Fi mode. Therefore, when the network joined by the Wi-Fi device cannot reach the network speed limited by the sixth value, the Wi-Fi mode is set to the SISO mode, and the power consumption is reduced.
- Step 202 Determine whether the maximum network speed defined by the Internet package is greater than or equal to a seventh value. If the maximum network speed is greater than or equal to the seventh value, then proceeds to step 204; if the highest network speed is less than the sixth value, then proceeds to step 203.
- Step 203 Set the Wi-Fi mode to SISO mode.
- the Wi-Fi device can obtain the Internet access package information used by the Wi-Fi device's Internet account through the signaling interaction with the network server or the base station.
- the maximum network speed defined in the package is determined by the online package information. If the maximum network speed defined in the package is greater than or equal to a seventh value, such as 35 Mbps, the Wi-Fi device presets the Wi-Fi mode to the SISO mode.
- the Wi-Fi device In the subsequent Internet access process, as long as the uplink wireless network and the online account remain unchanged, there is no need to detect, determine, or judge the uplink wireless network parameter values, and there is no need to switch the Wi-Fi mode. Therefore, when the maximum network speed of the Wi-Fi device's Internet account cannot reach the network speed limited by the seventh value, setting the Wi-Fi mode to the SISO mode does not change, reducing the power consumption.
- step 201 may be performed first. If the network speed can reach the sixth value, proceed to step 202. If the maximum network speed in the package is greater than or equal to the seventh value, Go to step 204.
- the specific operations will not be described here. In the above embodiments, the descriptions of the various embodiments are different, and the parts that are not detailed in an embodiment can be referred to the related descriptions of other embodiments.
- the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
- the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
- a hard disk or optical disk or the like includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
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Abstract
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Priority Applications (5)
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CN201280004559.0A CN103493550B (zh) | 2012-06-25 | 2012-06-25 | 一种设置通信模式的方法及Wi‑Fi设备 |
JP2014521916A JP5782664B2 (ja) | 2012-06-25 | 2012-06-25 | 通信モードを設定するための方法およびWi−Fiデバイス |
EP12801799.3A EP2731384B1 (en) | 2012-06-25 | 2012-06-25 | Method and wi-fi device for setting communication mode |
PCT/CN2012/077411 WO2014000138A1 (zh) | 2012-06-25 | 2012-06-25 | 一种设置通信模式的方法及Wi-Fi设备 |
US13/727,368 US9125156B2 (en) | 2012-06-25 | 2012-12-26 | Method and Wi-Fi device for setting communications mode |
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PCT/CN2012/077411 WO2014000138A1 (zh) | 2012-06-25 | 2012-06-25 | 一种设置通信模式的方法及Wi-Fi设备 |
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