WO2017197695A1 - 一种控制方法及终端 - Google Patents

一种控制方法及终端 Download PDF

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Publication number
WO2017197695A1
WO2017197695A1 PCT/CN2016/086027 CN2016086027W WO2017197695A1 WO 2017197695 A1 WO2017197695 A1 WO 2017197695A1 CN 2016086027 W CN2016086027 W CN 2016086027W WO 2017197695 A1 WO2017197695 A1 WO 2017197695A1
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WO
WIPO (PCT)
Prior art keywords
terminal
wifi
wifi link
connection
link
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PCT/CN2016/086027
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English (en)
French (fr)
Inventor
秦雷
Original Assignee
中兴通讯股份有限公司
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Publication of WO2017197695A1 publication Critical patent/WO2017197695A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • 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 application relates to, but is not limited to, the field of control, and in particular, to a control method and a terminal.
  • VoWiFi technology also known as WFC-WiFi Calling
  • WFC-WiFi Calling has been promoted and applied by the industry and industry chain.
  • the OEM OEMs who go to each big smart terminal have launched the VoWIFi service and the intelligent terminal equipment supporting this technology.
  • the technology mainly uses the wireless fidelity WiFi hotspot which has been widely used as a conduit, allowing the terminal to access and register to the IMS core network of the wireless network through the WiFi link and can enjoy the same service provided by the wireless network.
  • the current mainstream implementation method is that after the terminal obtains the related service through the WiFi registration IMS (Internet Protocol IP Multimedia System), the traditional wireless side continues to camp on the wireless cell and the antenna continues to work.
  • the terminal has been able to obtain almost all mainstream services through VoWiFi technology, such as the main and called voice/video calls, SMS, supplementary services, Internet Internet data services, etc., and does not need the wireless side antenna to continue working, the wireless side antenna It is necessary to consume the power of the terminal and reduce the endurance of the terminal.
  • the terminal supporting the IMS/VoWiFi determines whether to switch the service from the wireless network to the WiFi network according to the built-in WiFi signal strength RSSI (Received Signal Strength Indication) threshold after registering the IMS through the WiFi. on. If the WiFi signal strength RSSI is higher than a certain value, the terminal switches the IMS related service to the WiFi network. If the WiFi signal strength RSSI is lower than a certain value, the terminal cuts the IMS related service back to the wireless network.
  • WiFi signal strength RSSI Receiveived Signal Strength Indication
  • the terminal switches the IMS-related service to the WiFi network, and the terminal has obtained services such as the main called voice/video call, which is used by almost all users. SMS, supplementary services, Internet data services.
  • the wireless side antenna has become dispensable, and the transmission and reception of the signal and the modulation and demodulation continue to consume power in an invisible manner, resulting in an unsatisfactory battery life experience.
  • a control method comprising:
  • the terminal evaluates the stability of the WiFi link with which the connection is currently established; wherein the WiFi is a WiFi hotspot that can provide instant voice communication services.
  • the WiFi link includes a VoWiFi link that provides instant voice communication services.
  • the method further includes:
  • the terminal establishes a connection with the WiFi link before the terminal evaluates the stability of the WiFi link with which the connection is currently established.
  • the terminal registers with the multimedia service core network.
  • the terminal evaluates the stability of the WiFi link with which the connection is currently established, including:
  • the terminal measures the WiFi signal strength of the WiFi link with which the connection is currently established, and determines whether the measured WiFi signal strength is greater than or equal to the first preset value.
  • the terminal When the measured WiFi signal strength is greater than or equal to the first preset value, the terminal measures a packet loss rate of the WiFi link with which the connection is currently established, and evaluates whether the measured packet loss rate is less than or equal to a preset.
  • the packet loss rate threshold When the measured WiFi signal strength is greater than or equal to the first preset value, the terminal measures a packet loss rate of the WiFi link with which the connection is currently established, and evaluates whether the measured packet loss rate is less than or equal to a preset.
  • the terminal evaluates that the WiFi link with which the connection is currently established is stable.
  • the terminal measures a packet loss rate of a WiFi link that is currently connected to the terminal, including:
  • the terminal sets a preset number of data packets to be sent when the packet loss rate is measured.
  • the terminal sends the preset number of data packets to a server of a WiFi link that is currently connected with the terminal, and calculates a packet loss rate of the entire round trip delay.
  • the enabling state of the wireless antenna of the terminal is controlled according to the stability evaluation result of the WiFi link, where:
  • the transceiver function of the wireless antenna of the terminal is turned off or the discontinuous reception mechanism of the wireless antenna of the terminal is enabled.
  • controlling the enabled state of the wireless antenna of the terminal according to the result of the stability assessment of the WiFi link further includes:
  • the terminal When the terminal evaluates that the WiFi link currently establishing a connection with it is unstable, the terminal initiates a transceiving function of the wireless antenna or a discontinuous reception mechanism of the wireless antenna that exits the terminal.
  • the method further includes:
  • the terminal sets a time period, and periodically evaluates the stability of the WiFi link with which the connection is currently established according to the time period.
  • the method further includes: after the terminal starts the transceiver function of the wireless antenna or exits the discontinuous reception mechanism, the terminal performs location update on the wireless network.
  • a terminal includes: an evaluation module and a control module.
  • the evaluation module is configured to evaluate the stability of the WiFi link currently establishing a connection with the terminal; wherein the WiFi is a WiFi hotspot providing an instant voice communication service.
  • control module configured to control an enabled state of the wireless antenna of the terminal according to the stability evaluation result of the WiFi link.
  • the WiFi link includes a VoWiFi link that provides instant voice communication services.
  • the terminal further includes: a connection module.
  • connection module configured to establish a connection with the WiFi link and register with the multimedia service core network through the WiFi link before the evaluation module evaluates the stability of the WiFi link with which the connection is currently established.
  • the evaluating module evaluates the stability of the WiFi link with which the connection is currently established, including:
  • the measured WiFi signal strength is greater than or equal to the first preset value
  • measuring a packet loss rate of the WiFi link currently establishing a connection with the terminal and evaluating whether the measured packet loss rate is less than or equal to a preset The packet loss rate threshold.
  • the evaluation module evaluates The WiFi link that is currently connected to the terminal is stable.
  • the evaluation module measures a packet loss rate of a WiFi link with which the connection is currently established, including:
  • the controlling module according to the stability evaluation result of the WiFi link, controlling an enabled state of the wireless antenna of the terminal, includes: when the terminal evaluates that the WiFi link currently establishing a connection with the terminal is stable The transceiver function of the wireless antenna of the terminal is turned off or the discontinuous reception mechanism of the wireless antenna of the terminal is enabled.
  • controlling the enabling state of the wireless antenna of the terminal further includes: when the terminal evaluates a WiFi link currently establishing a connection with the terminal When unstable, the terminal initiates a transceiving function of the wireless antenna or a discontinuous reception mechanism of the wireless antenna that exits the terminal.
  • the evaluation module is further configured to: set a time period, and periodically evaluate, according to the time period, a stability of a WiFi link currently establishing a connection with the terminal.
  • control module is further configured to perform location update on the wireless network after the control module starts a transceiving function of the wireless antenna or exits a discontinuous reception mechanism of the wireless antenna of the terminal.
  • a computer readable storage medium storing computer executable instructions that, when executed by a processor, implement the described control method.
  • the control method and the terminal provided by the embodiments of the present invention can accurately evaluate the current WiFi link situation, and automatically turn off the wireless antenna transmission and reception function or enable the discontinuous reception mechanism to effectively reduce the power consumption when the current WiFi link remains stable. , saving power and bringing a better endurance user experience.
  • Embodiment 1 is a flow chart of a control method according to Embodiment 1 of the present invention.
  • Embodiment 2 is a flow chart of a control method according to Embodiment 2 of the present invention.
  • FIG. 3 is a flowchart of a third control method according to Embodiment 3 of the present invention.
  • FIG. 4 is a functional block diagram of a terminal in the fourth embodiment of the present invention.
  • FIG. 5 is a functional block diagram of a terminal in the fifth embodiment of the present invention.
  • FIG. 1 is a flowchart of a control method according to Embodiment 1 of the present invention.
  • the application processor of the terminal comprises a WiFi function module
  • the baseband processor of the terminal comprises a module for processing a wireless communication protocol
  • the terminal comprises a dual mode or multimode terminal supporting LTE/UMTS/GSM access technology
  • the terminal supports VoLTE, VoWiFi, IMS And other business.
  • step S1 the terminal evaluates the stability of the current WiFi link, and the WiFi is a WiFi hotspot that can provide an instant voice communication service, and the instant voice communication service includes a voice call, a video call, a short message, a data, a call transfer, and the like.
  • step S2 the enabled state of the wireless antenna of the terminal is controlled according to the result of the WiFi link stability evaluation.
  • FIG. 2 is a flowchart of a control method according to Embodiment 2 of the present invention.
  • the application processor of the terminal comprises a WiFi function module
  • the baseband processor of the terminal comprises a modem module for processing a wireless communication protocol
  • the terminal comprises a dual mode or multimode terminal supporting LTE/UMTS/GSM access technology
  • the terminal supports VoLTE, VoWiFi, IMS and other services.
  • step S101 the terminal supporting VoWiFi registers the wireless network.
  • step S102 the terminal selects a WiFi hotspot from a plurality of WiFi hotspots for connection.
  • step S103 the terminal is registered to the multimedia service core network through the WiFi link. It should be noted that, for the secure VoWiFi hotspot deployed only by the operator, the IP tunnel is not required to ensure security, and the terminal can directly pass the WiFi hotspot. Registering the core network of the multimedia service. In other cases, before the terminal registers with the core network of the multimedia service through the WiFi link, the terminal needs to establish an IP encryption tunnel with the core network of the multimedia service.
  • step S104 the WiFi link quality evaluation mechanism is started.
  • step S105 it is evaluated whether the WiFi link status is stable, wherein the WiFi link may be a VoWiFi link.
  • step S106 when the WiFi link state is in a steady state, the terminal turns off the modulation and demodulation function of the wireless antenna or enables the discontinuous reception mechanism to enter the low-power mode, and enters the low-power mode, and then returns to step S105 after a preset time interval. Evaluate whether the WiFi link status is stable.
  • step S107 it is evaluated whether the terminal is in the low-power mode.
  • step S108 the terminal exits the low-power mode, that is, the terminal starts the transmitting and receiving function of the wireless antenna or exits the discontinuous receiving mechanism, and after the terminal starts the transmitting and receiving function of the wireless antenna or exits the discontinuous receiving mechanism, the wireless device The network performs location updates.
  • the process returns to step S105 to evaluate whether the WiFi link state is stable.
  • FIG. 3 is a flowchart of a third control method according to Embodiment 3 of the present invention.
  • the application processor of the terminal comprises a WiFi function module
  • the baseband processor of the terminal comprises a module for processing a wireless communication protocol Modem
  • the terminal comprises an LTE/UMTS/GSM (Long Term Evolution/Universal Mobile Communication System/Global System for Mobile Communications) access technology.
  • LTE/UMTS/GSM Long Term Evolution/Universal Mobile Communication System/Global System for Mobile Communications
  • Dual-mode or multi-mode terminal and the terminal supports VoLTE (IMS-based voice service), VoWiFi, IMS and other services.
  • VoLTE IMS-based voice service
  • step S201 the terminal registers the multimedia service core network through the WiFi link.
  • the Internet protocol tunnel IP tunnel is not required to ensure security, and the terminal can directly register the multimedia service through the WiFi hotspot.
  • the core network in other cases, before the terminal registers with the multimedia service core network through the WiFi link, the terminal needs to establish an IP encryption tunnel with the multimedia service core network.
  • step S202 the terminal starts the WiFi link evaluation, measures the current WiFi hotspot signal value RSSI, and obtains the RSSI value.
  • the RSSI value is represented by Swifi, where the WiFi link may be a VoWiFi link.
  • step S203 it is determined whether the measured current RSSI value is greater than or equal to a first preset value, and the first preset value is equal to the WiFi hotspot signal compliance threshold plus the hysteresis parameter, and whether the measured current RSSI value is greater than or equal to
  • the first preset value includes: the terminal sets two parameters, and one is the WiFi hotspot signal reaching threshold.
  • the WiFi hotspot signal reaching threshold is represented by Sthrottle, and the other is for preventing the terminal from evaluating whether the WiFi hotspot signal is up to standard.
  • the stagnation parameter of the ping-pong effect using Sw_offset to represent the hysteresis parameter, and evaluating whether the measured value of the RSSI of the hotspot signal is greater than or equal to the threshold value of the WiFi hotspot signal plus the hysteresis parameter, that is, whether the Swifi is evaluated.
  • Sthrottle+Sw_offset where Sthrottle+Sw_offset is the first preset value in the solution of the embodiment of the present invention.
  • the currently measured service WiFi hotspot signal RSSI is -79dbm, then the RSSI ⁇ Sthrottle+Sw_offset, the condition is not met, and the process returns to step S202 to measure the WiFi hotspot signal strength and obtain the measured value Swifi.
  • the step of sending a data packet to the network by the terminal includes: setting two parameters by the terminal, and setting a preset number of data packets when detecting the quality of the VoWiFi link, setting Nping, one is the threshold of the packet loss rate, and setting the packet loss rate.
  • the threshold is Rthrottle.
  • the terminal sends a preset number of data packets to the server of the multimedia service core network and calculates the entire RTT (Round-Trip Time) packet loss rate, and uses Rpacketloss to represent the calculated RTT packet loss rate.
  • step S205 the stability of the current WiFi link is evaluated according to whether the calculated Rpacketloss is less than or equal to the threshold Rthrottle of the packet loss rate.
  • the packet loss rate Rpacketloss is less than or equal to Rthrottle
  • the stability of the current WiFi link is evaluated.
  • step S206 the transceiver function of the terminal wireless antenna is turned off or the discontinuous reception mechanism of the terminal is started. For example, set Nping to 30 and Rthrottle to 10%.
  • ePLG evolved Packet Data Gateway
  • step S206 the wireless antenna transceiver function of the terminal is turned off or the discontinuous reception mechanism of the terminal is enabled, and the terminal sets the time period for evaluating the stability of the WiFi link next time, and starts the time period.
  • Timer Tdetect which is set in the terminal in seconds.
  • Step S207 When the timer Tdetect expires, the process returns to step S202 to re-evaluate the stability of the current WiFi link.
  • FIG. 4 is a functional block diagram of a terminal in Embodiment 4 of the present invention.
  • the application processor of the terminal comprises a WiFi function module
  • the baseband processor of the terminal comprises a module for processing a wireless communication protocol
  • the terminal comprises a dual mode or multimode terminal supporting LTE/UMTS/GSM access technology
  • the terminal supports VoLTE, VoWiFi, IMS
  • the terminal 1 includes an evaluation module 10 and a control module 11, and each functional module is described in detail below.
  • the evaluation module 10 evaluates the stability of the WiFi link currently establishing a connection with the terminal; wherein the WiFi is a WiFi hotspot that can provide instant voice communication services.
  • the control module 11 controls the enabled state of the wireless antenna of the terminal according to the WiFi link stability evaluation result.
  • FIG. 5 is a functional block diagram of a terminal according to Embodiment 5 of the present invention.
  • the terminal 1 includes an evaluation module 10, a control module 11, and a connection module 12. Each function module will be described in detail below.
  • the connection module 12 registers the wireless network, and selects a WiFi hotspot from a plurality of WiFi hotspots for connection. After the WiFi link is successfully established, the WiFi link is registered to the multimedia service core network. It is required that the security is only deployed by the operator. The VoWiFi hotspot does not need to establish an IP tunnel to ensure security.
  • the terminal can directly register the multimedia service core network through such a WiFi hotspot. In other cases, before the terminal registers with the multimedia service core network through the WiFi link, the terminal needs to An IP encryption tunnel is established between the multimedia service core networks.
  • the evaluation module 10 evaluates whether the WiFi link status is stable, wherein the WiFi link may be a VoWiFi link.
  • the process by which the evaluation module 10 evaluates whether the WiFi link status is stable includes the following steps.
  • the evaluation module 10 measures the current WiFi hotspot signal value RSSI and obtains the RSSI value.
  • the RSSI value is represented by Swifi, wherein the WiFi link may be a VoWiFi link.
  • the evaluation module 10 evaluates whether the measured current RSSI value is greater than or equal to the first preset value, and the first preset value is equal to the WiFi hotspot signal compliance threshold plus the hysteresis parameter, and whether the measured current RSSI value is greater than or equal to the first
  • the step of presetting includes: the evaluation module 10 sets two parameters, one It is the WiFi hotspot signal compliance threshold.
  • the WiFi hotspot signal compliance threshold is represented by Sthrottle, and the other is used to prevent the terminal from evaluating whether the WiFi hotspot signal reaches the ping-pong effect.
  • the Sw_offset represents the hysteresis parameter and evaluates the hotspot.
  • the measured value of the signal RSSI is greater than or equal to the WiFi hotspot signal compliance threshold plus the hysteresis parameter, that is, whether the Swifi is ⁇ Sthrottle+Sw_offset, where Sthrottle+Sw_offset is the first preset value in the solution of the embodiment of the present invention.
  • the evaluation module 10 re-measures the WiFi hotspot signal strength and obtains the measured value Swifi.
  • the evaluation module 10 sets a time interval between measurements of two transmitted data packets, and the evaluation module 10 sets the interval time to Tmeas_backoff, in milliseconds.
  • the step of the evaluation module 10 transmitting the data packet to the network includes: the evaluation module 10 sets two parameters, one is a preset number of sending data packets when detecting the quality of the WiFi link, and is set to Nping, and one is a threshold of the packet loss rate, and the setting is The threshold of the packet loss rate is Rthrottle.
  • the evaluation module 10 sends a preset number of data packets to the server of the multimedia service core network and calculates the entire RTT packet loss rate, and uses Rpacketloss to represent the calculated RTT packet loss rate.
  • the evaluation module 10 evaluates the stability of the current WiFi link according to whether the calculated Rpacketloss is less than or equal to the threshold Rthrottle of the packet loss rate. When the packet loss rate Rpacketloss is less than or equal to Rthrottle, the stability of the current WiFi link is evaluated, and the control module 11 turns off the transceiver function of the terminal wireless antenna or initiates the discontinuous reception mechanism of the terminal. For example, set Nping to 30 and Rthrottle to 10%.
  • the control module 11 turns off the wireless antenna transceiving function of the terminal or enables the discontinuous reception mechanism of the terminal, and the evaluation module 10 sets the time period for the next evaluation of the stability of the WiFi link, and starts the time period.
  • the timer Tdetect is set in the terminal in seconds. When the timer Tdetect expires, the evaluation module 10 reevaluates the stability of the current WiFi link.
  • the evaluation module 10 evaluates whether the terminal is in a low-power mode.
  • the control module 11 controls the terminal to exit the low-power mode, that is, the terminal starts the transmitting and receiving function of the wireless antenna or exits the discontinuous receiving mechanism, and after the terminal starts the transmitting and receiving function of the wireless antenna or exits the discontinuous receiving mechanism, the control module 11 Location update for wireless networks.
  • the evaluation module 10 evaluates whether the WiFi link status is stable.
  • the control method and the terminal provided by the embodiments of the present invention can accurately evaluate the current WiFi link situation, and automatically turn off the wireless antenna transmission and reception function or enable the discontinuous reception mechanism to reduce power consumption when the current WiFi link remains stable. , saving power and bringing a better endurance user experience.
  • a computer readable storage medium storing computer executable instructions that, when executed by a processor, implement the described control method.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the device/function module/functional unit in the above embodiment can be implemented by using a general-purpose computing device. Now, they can be concentrated on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the control method and the terminal provided by the embodiments of the present invention can accurately evaluate the current WiFi link situation, and automatically turn off the wireless antenna transmission and reception function or enable the discontinuous reception mechanism to reduce power consumption when the current WiFi link remains stable. , saving power and bringing a better endurance user experience.

Abstract

本申请涉及一种控制方法及终端，该方法包括：终端评估当前与其建立连接的无线保真WiFi链路的稳定性；其中，WiFi为提供即时语音通讯业务的WiFi热点；根据WiFi链路的稳定性评估结果，控制终端无线天线的使能状态。

Description

一种控制方法及终端 技术领域
本申请涉及但不限于控制领域，尤其涉及一种控制方法及终端。
背景技术
VoWiFi技术(也称为WFC-WiFi Calling)得到了业界和产业链的大力推广和应用。上至运营商和芯片厂家，下到每个大智能终端的代工OEM厂商均推出了VoWIFi业务以及支持这项技术的智能终端设备。该技术主要是把早已广泛使用的无线保真WiFi热点作为管道，让终端通过WiFi链路来接入和注册到无线网络的IMS核心网上并能够享受和无线网络提供的相同服务。
当前主流的实现方法是终端通过WiFi注册IMS(互联网协议IP多媒体系统)获得相关服务后，传统的无线侧继续驻扎在无线小区上并且天线继续保持工作状态。其实此时终端已经能够通过VoWiFi技术来获得几乎所有的主流服务，如主被叫语音/视频通话、短信、补充业务、互联网Internet数据业务等，并不需要无线侧天线继续工作了，无线侧天线需要消耗终端的电能，降低终端的续航能力。
相关技术方案是按照3GPP TS23.402的要求，支持IMS/VoWiFi的终端通过WiFi注册IMS后根据内置的WiFi信号强度RSSI(接收的信号强度指示)阈值来决定是否将业务从无线网络切换到WiFi网络上。如果WiFi信号强度RSSI高于某个值则终端将IMS相关业务切换到WiFi网络，如果WiFi信号强度RSSI低于某个值则终端将IMS相关业务切回到无线网络。
相关技术框架下，在当WiFi信号强度RSSI高于某个值，终端将IMS相关业务切换到WiFi网络后，此时终端已经获得了几乎所有用户会使用的业务如主被叫语音/视频通话、短信、补充业务、Internet数据业务。这时无线侧天线已经变得可有可无，继续保持信号的收发和调制解调无形中会消耗电量，造成电池续航用户体验不理想。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求 的保护范围。
一种控制方法，所述方法包括：
终端评估当前与其建立连接的WiFi链路的稳定性；其中，所述WiFi为可提供即时语音通讯业务的WiFi热点。
根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态。
可选地，所述WiFi链路包括提供即时语音通讯业务的VoWiFi链路。
可选地，所述方法还包括：
在所述终端评估当前与其建立连接的WiFi链路的稳定性之前，所述终端与所述WiFi链路建立连接。
通过所述WiFi链路，所述终端注册到多媒体业务核心网。
可选地，所述终端评估当前与其建立连接的WiFi链路的稳定性包括：
所述终端测量当前与其建立连接的WiFi链路的WiFi信号强度，并判断测量的所述WiFi信号强度是否大于或等于第一预设值。
当测量的所述WiFi信号强度大于或等于第一预设值时，所述终端测量当前与其建立连接的WiFi链路的丢包率，并评估测量的所述丢包率是否小于或等于预设的丢包率阈值。
当测量的所述丢包率小于或等于所述预设的丢包率阈值时，所述终端评估出当前与其建立连接的WiFi链路稳定。
可选地，所述终端测量当前与其建立连接的WiFi链路的丢包率包括：
所述终端设置测量所述丢包率时发送数据包的预设个数。
所述终端向当前与其建立连接的WiFi链路的服务器发送所述预设个数的数据包并计算整个往返时延的丢包率。
可选地，根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态包括：
当所述终端评估出当前与其建立连接的WiFi链路稳定时，关闭所述终端的无线天线的收发功能或启用所述终端的无线天线的非连续接收机制。
可选地，根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态还包括：
当所述终端评估出出当前与其建立连接的WiFi链路不稳定时，所述终端启动无线天线的收发功能或退出所述终端的无线天线的非连续接收机制。
可选地，所述方法还包括：
所述终端设置时间周期，并根据所述时间周期，周期性评估当前与其建立连接的WiFi链路的稳定性。
可选地，所述方法还包括：在所述终端启动无线天线的收发功能或退出非连续接收机制之后，所述终端对所述无线网络进行位置更新。
一种终端，所述终端包括：评估模块和控制模块。
评估模块，设置为评估当前与所述终端建立连接的WiFi链路的稳定性；其中，所述WiFi为提供即时语音通讯业务的WiFi热点。
控制模块，设置为根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态。
可选地，所述WiFi链路包括提供即时语音通讯业务的VoWiFi链路。
可选地，所述终端还包括：连接模块。
连接模块，设置为在所述评估模块评估当前与其建立连接的WiFi链路的稳定性之前，与所述WiFi链路建立连接，通过所述WiFi链路，注册到多媒体业务核心网。
可选地，所述评估模块评估当前与其建立连接的WiFi链路的稳定性包括：
测量当前与所述终端建立连接的WiFi链路的WiFi信号强度，并判断测量的所述WiFi信号强度是否大于或等于第一预设值。
当测量的所述WiFi信号强度大于或等于第一预设值时，测量当前与所述终端建立连接的WiFi链路的丢包率，并评估测量的所述丢包率是否小于或等于预设的丢包率阈值。
当测量的所述丢包率小于或等于所述丢包率阈值时，所述评估模块评估 出当前与所述终端建立连接的WiFi链路稳定。
可选地，所述评估模块测量当前与其建立连接的WiFi链路的丢包率包括：
设置测量所述丢包率时发送数据包的预设个数。
向当前与所述终端建立连接的WiFi链路的服务器发送所述预设个数的数据包并计算整个往返时延的丢包率。
可选地，所述控制模块根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态包括：当所述终端评估出当前与所述终端建立连接的WiFi链路稳定时，关闭所述终端的无线天线的收发功能或启用所述终端的无线天线的非连续接收机制。
可选地，所述控制模块根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态还包括：当所述终端评估出当前与所述终端建立连接的WiFi链路不稳定时，所述终端启动无线天线的收发功能或退出所述终端的无线天线的非连续接收机制。
可选地，所述评估模块还设置为：设置时间周期，并根据所述时间周期，周期性评估当前与所述终端建立连接的WiFi链路的稳定性。
可选地，所述控制模块还设置为：当所述控制模块启动无线天线的收发功能或退出所述终端的无线天线的非连续接收机制之后，对所述无线网络进行位置更新。
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现所述的控制方法。
本发明实施例提供的控制方法及终端能准确评估当前WiFi链路的情况，在当前WiFi链路保持稳定的情况下，自动关闭无线天线的收发功能或者启用非连续接收机制来切实的降低功耗，节省电量，带来更好的续航用户体验。
附图概述
图1是本发明实施例一控制方法的流程图；
图2是本发明实施例二控制方法的流程图；
图3是本发明实施例三控制方法的流程图；
图4是本发明实施例四终端的功能模块图；
图5是本发明实施例五终端的功能模块图。
本发明的实施方式
下文中将结合附图对本发明的实施例进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
请参阅图1，图1是本发明实施例一的控制方法的流程图。终端的应用处理器包含WiFi功能模块，终端的基带处理器包含处理无线通信协议的模块，终端包含支持LTE/UMTS/GSM接入技术的双模或多模终端，且终端支持VoLTE，VoWiFi，IMS等业务。
在步骤S1中，终端对当前WiFi链路稳定性进行评估，WiFi为可提供即时语音通讯业务的WiFi热点，即时语音通讯业务包括语音电话，视频电话，短信，数据、呼叫转移等业务。
在步骤S2中，根据WiFi链路稳定性评估结果，控制终端无线天线的使能状态。
请参阅图2，图2是本发明实施例二控制方法的流程图。终端的应用处理器包含WiFi功能模块，终端的基带处理器包含处理无线通信协议的调制解调模块，终端包含支持LTE/UMTS/GSM接入技术的双模或多模终端，且终端支持VoLTE，VoWiFi，IMS等业务。
在步骤S101中，支持VoWiFi的终端注册无线网络。
在步骤S102中，终端从多个WiFi热点中选择WiFi热点进行连接。
在步骤S103中，终端通过WiFi链路注册到多媒体业务核心网，需要说明的是，对于只有运营商部署的安全VoWiFi热点，不需要通过建立IP tunnel来保障安全，终端可直接通过此类WiFi热点注册多媒体业务核心网，当在其他情况下时，终端通过WiFi链路注册到多媒体业务核心网之前，终端需要与多媒体业务核心网之间建立IP加密隧道。
当通过WiFi注册多媒体业务核心网成功时，在步骤S104中，启动WiFi链路质量评估机制。
在步骤S105中，评估WiFi链路状态是否稳定，其中WiFi链路可为VoWiFi链路。
在步骤S106中，当WiFi链路状态处于稳定状态时，终端关闭无线天线的调制解调收发功能或启用非连续接收机制进入低耗模式，进入低耗模式后间隔一预设时间返回步骤S105，评估WiFi链路状态是否稳定。
当WiFi链路状态处于不稳定状态时，在步骤S107中，评估终端是否处于低耗模式。
当处于低耗模式时，在步骤S108中，终端退出低耗模式，即终端启动无线天线的收发功能或退出非连续接收机制，终端启动无线天线的收发功能或退出非连续接收机制之后，对无线网络进行位置更新。
当不处于低耗模式时，即终端启动无线天线的收发功能或退出非连续接收机制时，返回步骤S105，评估WiFi链路状态是否稳定。
请参阅图3，图3是本发明实施例三控制方法的流程图。终端的应用处理器包含WiFi功能模块，终端的基带处理器包含处理无线通信协议Modem的模块，终端包含支持LTE/UMTS/GSM(长期演进/通用移动通信系统/全球移动通信系统)接入技术的双模或多模终端，且终端支持VoLTE(基于IMS的语音业务)，VoWiFi，IMS等业务。
在步骤S201中，终端通过WiFi链路注册多媒体业务核心网，对于只有运营商部署的安全VoWiFi热点，不需要通过建立互联网协议隧道IP tunnel来保障安全，终端可直接通过此类WiFi热点注册多媒体业务核心网，当在其他情况下时，终端通过WiFi链路注册到多媒体业务核心网之前，终端需要与多媒体业务核心网之间建立IP加密隧道。
在步骤S202中，终端启动WiFi链路评估，测量当前WiFi热点信号值RSSI，获得RSSI值，为方便进行说明，用Swifi代表RSSI值，其中WiFi链路可为VoWiFi链路。
在步骤S203中，评估测量到的当前RSSI值是否大于或等于第一预设值，第一预设值等于WiFi热点信号达标阈值加上滞带参数，评估测量到的当前RSSI值是否大于或等于第一预设值的步骤包括：终端设置两个参数，一个是WiFi热点信号达标阈值，为方便进行说明，WiFi热点信号达标阈值用Sthrottle代表，另一个是用于防止终端评估WiFi热点信号是否达标乒乓效应的滞带参数，用Sw_offset代表滞带参数，评估热点信号RSSI的测量值是否大于或等于WiFi热点信号达标阈值加上滞带参数，即评估Swifi是否 ≧Sthrottle+Sw_offset，这里，Sthrottle+Sw_offset即本发明实施例方案中的第一预设值。
在步骤S204中，当WiFi热点信号RSSI的测量值Swifi大于等于Sthrottle+Sw_offset时，终端向网络发送数据包。比如终端设定Sthrottle为-80dbm，Sw_offset为2，当前测量到的服务WiFi热点信号RSSI为-75dbm，那么Sthrottle+Sw_offset＝-80+2＝-78dbm,这时RSSI>Sthrottle+Sw_offset，满足条件，终端向网络发送数据包。如果不满足则返回步骤S202。比如当前测量到的服务WiFi热点信号RSSI为-79dbm，那么RSSI<Sthrottle+Sw_offset，则不满足条件，返回步骤S202，对WiFi热点信号强度测量，并获取测量值Swifi。
需要说明的是，由于信号都存在较微小的变动范围(比如前一秒和后一秒相差2db)，这时通过Sw_offset参数就能够有效避免链路质量评估的乒乓效应，两次发送数据包进行测量之间设置时间间隔，终端对间隔时间设置为Tmeas_backoff，单位毫秒。终端向网络发送数据包的步骤包括：终端设置两个参数，一个是探测VoWiFi链路质量时发送数据包的预设个数，设置为Nping，一个是丢包率的阈值，设置丢包率的阈值为Rthrottle，终端向多媒体业务核心网的服务器发送预设个数的数据包并计算整个RTT(Round-Trip Time往返时延)丢包率，用Rpacketloss代表计算出的RTT丢包率。
在步骤S205中，根据计算出的Rpacketloss是否小于或等于丢包率的阈值Rthrottle，评估当前WiFi链路的稳定性。当丢包率Rpacketloss小于或等于Rthrottle时，评估出当前WiFi链路的稳定，在步骤S206中，关闭终端无线天线的收发功能或启动终端的非连续接收机制。比如设定Nping为30，Rthrottle为10％。终端给演进分组数据网关(ePDG，evolved Packet Data Gateway)发送30个数据包，ePDG响应了28个，则Rpacketloss＝(30-28)/30＝6.7％<Rthrottle，评估出当前WiFi链路的稳定。
如果评估出当前WiFi链路的不稳定，则返回步骤S204，例如，如果ePDG只响应了25个包，Rpacketloss＝16.7％>Rthrottle，则评估出当前WiFi链路的不稳定，需要重新评估。需要说明的是，终端还设置重新发送预设个数数据包测量丢包率的时间间隔，设为Tping_backoff，单位毫秒，在到达时间间隔Tping_backoff后，终端向网络发送预设个数数据包重新测量丢包率。
当评估出当前WiFi链路的稳定时，在步骤S206中，关闭终端的无线天线收发功能或启用终端的非连续接收机制，终端设置下一次评估WiFi链路稳定性的时间周期，并启动时间周期的定时器Tdetect，该定时器在终端中设置，单位为秒。
步骤S207：当定时器Tdetect超时，则返回步骤S202，重新评估当前WiFi链路的稳定性。
请参阅图4，图4是本发明实施例4终端的功能模块图。终端的应用处理器包含WiFi功能模块，终端的基带处理器包含处理无线通信协议的模块，终端包含支持LTE/UMTS/GSM接入技术的双模或多模终端，且终端支持VoLTE，VoWiFi，IMS等业务，终端1包括评估模块10和控制模块11，下面对每个功能模块进行详细说明。
评估模块10评估当前与终端建立连接的WiFi链路的稳定性；其中，WiFi为可提供即时语音通讯业务的WiFi热点。控制模块11根据WiFi链路稳定性评估结果，控制终端无线天线的使能状态。
请参阅图5，图5是本发明实施例5终端的功能模块图。终端1包括评估模块10、控制模块11和连接模块12，下面对每个功能模块进行详细说明。
连接模块12注册无线网络，并从多个WiFi热点中选择WiFi热点进行连接，WiFi链路建立成功后，通过WiFi链路注册到多媒体业务核心网，需要说明的是，对于只有运营商部署的安全VoWiFi热点，不需要通过建立IP tunnel来保障安全，终端可直接通过此类WiFi热点注册多媒体业务核心网，当在其他情况下时，终端通过WiFi链路注册到多媒体业务核心网之前，终端需要与多媒体业务核心网之间建立IP加密隧道。
当通过WiFi注册多媒体业务核心网成功时，评估模块10评估WiFi链路状态是否稳定，其中WiFi链路可为VoWiFi链路。
评估模块10评估WiFi链路状态是否稳定的过程包括以下步骤。
评估模块10测量当前WiFi热点信号值RSSI，获得RSSI值，为方便进行说明，用Swifi代表RSSI值，其中WiFi链路可为VoWiFi链路。
评估模块10评估测量到的当前RSSI值是否大于或等于第一预设值，第一预设值等于WiFi热点信号达标阈值加上滞带参数，评估测量到的当前RSSI值是否大于或等于第一预设值的步骤包括：评估模块10设置两个参数，一个 是WiFi热点信号达标阈值，为方便进行说明，WiFi热点信号达标阈值用Sthrottle代表，另一个是用于防止终端评估WiFi热点信号是否达标乒乓效应的滞带参数，用Sw_offset代表滞带参数，评估热点信号RSSI的测量值是否大于或等于WiFi热点信号达标阈值加上滞带参数，即评估Swifi是否≧Sthrottle+Sw_offset，这里，Sthrottle+Sw_offset即本发明实施例方案中的第一预设值。
当WiFi热点信号RSSI的测量值Swifi大于等于Sthrottle+Sw_offset时，评估模块10向网络发送数据包。举个例子，比如终端设定Sthrottle为-80dbm，Sw_offset为2，当前测量到的服务WiFi热点信号RSSI为-75dbm，那么Sthrottle+Sw_offset＝-80+2＝-78dbm,这时RSSI>Sthrottle+Sw_offset，满足条件，评估模块10向网络发送数据包。如果不满足则评估模块10重新测量WiFi热点信号RSSI。比如当前测量到的服务WiFi热点信号RSSI为-79dbm，那么RSSI<Sthrottle+Sw_offset，则不满足条件，评估模块10重新测量WiFi热点信号强度，并获取测量值Swifi。
需要说明的是，由于信号都存在较微小的变动范围(比如前一秒和后一秒相差2db)，这时通过Sw_offset参数就能够有效避免链路质量评估的乒乓效应。评估模块10对两次发送数据包进行测量之间设置时间间隔，评估模块10对间隔时间设置为Tmeas_backoff，单位毫秒。评估模块10向网络发送数据包的步骤包括：评估模块10设置两个参数，一个是探测WiFi链路质量时发送数据包的预设个数，设置为Nping，一个是丢包率的阈值，设置丢包率的阈值为Rthrottle，评估模块10向多媒体业务核心网的服务器发送预设个数的数据包并计算整个RTT丢包率，用Rpacketloss代表计算出的RTT丢包率。
评估模块10根据计算出的Rpacketloss是否小于或等于丢包率的阈值Rthrottle，评估当前WiFi链路的稳定性。当丢包率Rpacketloss小于或等于Rthrottle时，评估出当前WiFi链路的稳定，控制模块11关闭终端无线天线的收发功能或启动终端的非连续接收机制。比如设定Nping为30，Rthrottle为10％。评估模块10给演进分组数据网关(ePDG，evolved Packet Data Gateway)发送30个数据包，ePDG响应了28个，则Rpacketloss＝(30-28)/30＝6.7％<Rthrottle，评估出当前WiFi链路的稳定。
如果评估出当前WiFi链路的不稳定，则评估模块10重新对WiFi链路的 稳定性进行评估。例如，如果ePDG只响应了25个包，Rpacketloss＝16.7％>Rthrottle，则评估出当前WiFi链路的不稳定，需要重新评估。需要说明的是，评估模块10还设置重新发送预设个数数据包测量丢包率的时间间隔，设为Tping_backoff，单位毫秒，在到达时间间隔Tping_backoff后，评估模块10向网络发送预设个数数据包重新测量丢包率。
当评估出当前WiFi链路的稳定时，控制模块11关闭终端的无线天线收发功能或启用终端的非连续接收机制，评估模块10设置下一次评估WiFi链路稳定性的时间周期，并启动时间周期的定时器Tdetect，该定时器在终端中设置，单位为秒，当定时器Tdetect超时，评估模块10重新评估当前WiFi链路的稳定性。
当WiFi链路状态处于不稳定状态时，评估模块10评估终端是否处于低耗模式。当处于低耗模式时，控制模块11控制终端退出低耗模式，即终端启动无线天线的收发功能或退出非连续接收机制，终端启动无线天线的收发功能或退出非连续接收机制之后，控制模块11对无线网络进行位置更新。当不处于低耗模式时，即终端启动无线天线的收发功能或退出非连续接收机制时，评估模块10评估WiFi链路状态是否稳定。
本发明实施例提供的控制方法及终端，能准确评估当前WiFi链路的情况，在当前WiFi链路保持稳定的情况下，自动关闭无线天线的收发功能或者启用非连续接收机制来的降低功耗，节省电量，带来更好的续航用户体验。
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现所述的控制方法。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中，所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这些步骤可以被分别制作成一个个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。
上述实施例中的装置/功能模块/功能单元可以采用通用的计算装置来实 现，它们可以集中在单个的计算装置上，也可以分布在多个计算装置所组成的网络上。
上述实施例中的装置/功能模块/功能单元以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。
工业实用性
本发明实施例提供的控制方法及终端，能准确评估当前WiFi链路的情况，在当前WiFi链路保持稳定的情况下，自动关闭无线天线的收发功能或者启用非连续接收机制来的降低功耗，节省电量，带来更好的续航用户体验。

Claims (19)

  1. 一种控制方法，包括：
    终端评估当前与其建立连接的无线保真WiFi链路的稳定性；其中，所述WiFi为提供即时语音通讯业务的WiFi热点；
    根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态。
  2. 如权利要求1所述的控制方法，其中，所述WiFi链路包括提供即时语音通讯业务的VoWiFi链路。
  3. 根据权利要求1或2所述的控制方法，所述方法还包括：
    在所述终端评估当前与其建立连接的WiFi链路的稳定性之前，所述终端与所述WiFi链路建立连接；
    通过所述WiFi链路，所述终端注册到多媒体业务核心网。
  4. 如权利要求1所述的控制方法，其中，所述终端评估当前与其建立连接的WiFi链路的稳定性包括：
    所述终端测量当前与其建立连接的WiFi链路的WiFi信号强度，并判断测量的所述WiFi信号强度是否大于或等于第一预设值；
    当测量的所述WiFi信号强度大于或等于第一预设值时，所述终端测量当前与其建立连接的WiFi链路的丢包率，并评估测量的所述丢包率是否小于或等于预设的丢包率阈值；
    当测量的所述丢包率小于或等于所述预设的丢包率阈值时，所述终端评估出当前与其建立连接的WiFi链路稳定。
  5. 如权利要求4所述的控制方法，其中，所述终端测量当前与其建立连接的WiFi链路的丢包率包括：
    所述终端设置测量所述丢包率时发送数据包的预设个数；
    所述终端向当前与其建立连接的WiFi链路的服务器发送所述预设个数的数据包并计算整个往返时延的丢包率。
  6. 如权利要求1或4所述的控制方法，其中，所述根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态包括：
    当所述终端评估出当前与其建立连接的WiFi链路稳定时，关闭所述终端的无线天线的收发功能或启用所述终端的无线天线的非连续接收机制。
  7. 如权利要求6所述的控制方法，所述根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态还包括：
    当所述终端评估出当前与其建立连接的WiFi链路不稳定时，所述终端启动无线天线的收发功能或退出所述终端的无线天线的非连续接收机制。
  8. 如权利要求1或4所述的控制方法，所述方法还包括：
    所述终端设置时间周期，并根据所述时间周期，周期性评估当前与其建立连接的WiFi链路的稳定性。
  9. 如权利要求7所述的控制方法，所述方法还包括：在所述终端启动无线天线的收发功能或退出所述终端的无线天线的非连续接收机制之后，所述终端对所述无线网络进行位置更新。
  10. 一种终端，包括：评估模块和控制模块；
    所述评估模块，设置为评估当前与所述终端建立连接的无线保真WiFi链路的稳定性；其中，所述WiFi为提供即时语音通讯业务的WiFi热点；
    所述控制模块，设置为根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态。
  11. 如权利要求10所述的终端，其中，所述WiFi链路包括提供即时语音通讯业务的VoWiFi链路。
  12. 根据权利要求10或11所述的终端，所述终端还包括：连接模块；
    所述连接模块，设置为在所述评估模块评估当前与其建立连接的WiFi链路的稳定性之前，与所述WiFi链路建立连接，通过所述WiFi链路，注册到多媒体业务核心网。
  13. 如权利要求10所述的终端，所述评估模块评估当前与其建立连接的WiFi链路的稳定性包括：
    测量当前与所述终端建立连接的WiFi链路的WiFi信号强度，并判断测量的所述WiFi信号强度是否大于或等于第一预设值；
    当测量的所述WiFi信号强度大于或等于第一预设值时，测量当前与所述终端建立连接的WiFi链路的丢包率，并评估测量的所述丢包率是否小于或等于丢包率阈值；
    当测量的所述丢包率小于或等于所述丢包率阈值时，评估出当前与所述终端建立连接的WiFi链路稳定。
  14. 如权利要求13所述的终端，其特征在于，所述评估模块测量当前与其建立连接的WiFi链路的丢包率包括：
    设置测量所述丢包率时发送数据包的预设个数；
    向当前与所述终端建立连接的WiFi链路的服务器发送所述预设个数的数据包并计算整个往返时延的丢包率。
  15. 如权利要求10或13所述的终端，其中，所述控制模块根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态包括：当所述终端评估出当前与所述终端建立连接的WiFi链路稳定时，关闭所述终端的无线天线的收发功能或启用所述终端的无线天线的非连续接收机制。
  16. 如权利要求15所述的终端，其特征在于，所述控制模块根据所述WiFi链路的稳定性评估结果，控制所述终端无线天线的使能状态还包括：当所述终端评估出当前与所述终端建立连接的WiFi链路不稳定时，所述终端启动无线天线的收发功能或退出所述终端的无线天线的非连续接收机制。
  17. 如权利要求10或13所述的终端，其中，所述评估模块还设置为：设置时间周期，并根据所述时间周期，周期性评估当前与所述终端建立连接的WiFi链路的稳定性。
  18. 如权利要求16所述的终端，其中，所述控制模块还设置为：当所述控制模块启动无线天线的收发功能或退出所述终端的无线天线的非连续接收机制之后，对所述无线网络进行位置更新。
  19. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现权利要求1至9任意一项所述的控制方法。
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