WO2015143776A1 - 一种多模省电的多媒体传输方法及其系统 - Google Patents

一种多模省电的多媒体传输方法及其系统 Download PDF

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Publication number
WO2015143776A1
WO2015143776A1 PCT/CN2014/078865 CN2014078865W WO2015143776A1 WO 2015143776 A1 WO2015143776 A1 WO 2015143776A1 CN 2014078865 W CN2014078865 W CN 2014078865W WO 2015143776 A1 WO2015143776 A1 WO 2015143776A1
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Prior art keywords
connection
protocol
multimedia terminal
saving
multimedia
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PCT/CN2014/078865
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English (en)
French (fr)
Inventor
谢灼伦
张�杰
Original Assignee
惠州Tcl移动通信有限公司
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Application filed by 惠州Tcl移动通信有限公司 filed Critical 惠州Tcl移动通信有限公司
Priority to US14/770,285 priority Critical patent/US20160323826A1/en
Priority to EP14887122.1A priority patent/EP3125513A4/en
Publication of WO2015143776A1 publication Critical patent/WO2015143776A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H04W52/0258—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • 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
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/38—Connection release triggered by timers
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • 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 relates to the field of wireless multimedia, and in particular, to a multi-mode power saving multimedia transmission method and system thereof.
  • Wireless communication transmission technology is replacing the position of wired communication in people's daily life at an extremely fast speed.
  • wireless charging makes many smartphone users do not need to plug in the charger every day.
  • the radio switch is also popular in young families. Bluetooth audio and headphones are popular among young people and business people.
  • AirPlay an Apple company
  • DLNA DIGITAL LIVING NETWORK ALLIANCE
  • the Digital Living Network Alliance initiated by Sony, Intel, Microsoft, etc., aims to solve the interconnection of wireless networks and wired networks, including personal PCs, consumer electronics, and mobile devices, making unlimited restrictions on digital media and content services.
  • MiraCast Wi-Fi CERTIFIED announced by the Wi-Fi Alliance on September 19, 2012 Miracas certification projects, Miracast devices provide simplified discovery and settings, users can quickly transfer video between devices) and a variety of different types of wireless projection adapters, TVs, projectors in the market began to become the new favorite of the consumer electronics market. People are freed from the constraints of wired power transmission and data transmission, and are free to use electronic devices anytime, anywhere.
  • a mobile phone connected to a Bluetooth stereo headset will have a 15%-20% less time than a Bluetooth-enabled mobile phone; a mobile phone with wifi access will have a system current difference of about 200 mA compared to a mobile phone with wifi turned off. Shortened by 40%.
  • the average standard wireless projection adapter, the average standby and operating current are not optimized, typical values range from 300mA to 500mA. Adopting such a power management strategy is not conducive to efficient energy use and environmental protection.
  • the present invention aims to provide a multi-mode power-saving multimedia transmission method and system thereof, thereby solving the problem that the power consumption of the multimedia terminal in the prior art adopts wireless transmission, and the working current is not Optimization and short average standby time.
  • a multi-mode power saving multimedia transmission method comprising the steps of:
  • the multimedia terminal When the multimedia terminal receives the user operation instruction, the multimedia terminal acquires a list of the plurality of available connection protocols in the protocol implementation layer between the application interface layer and the hardware implementation layer of the multimedia terminal;
  • the multimedia terminal receives the user operation instruction, obtains and saves the most power-saving connection protocol according to the power-saving priority of each connection protocol in the list of the plurality of available connection protocols, and uses the current most power-saving connection
  • the connection protocol establishes a connection with other terminals
  • the multimedia terminal is disconnected from other terminals.
  • the multi-mode power-saving multimedia transmission method wherein before the step A, the method further includes:
  • the multimedia terminal receives an operation instruction of the user, and sets a time threshold.
  • step B specifically includes:
  • the multimedia terminal obtains a most power-saving connection protocol according to a power saving priority of each connection protocol in the list of the plurality of available connection protocols;
  • the multimedia terminal establishes a connection with other terminals according to the most power-saving connection protocol, and starts data transmission.
  • step C further comprises:
  • the multimedia terminal When the multimedia terminal is disconnected from other terminals, the multimedia terminal receives an operation instruction of the user, re-establishes the connection between the multimedia terminal and other terminals, and performs data transmission.
  • the multi-mode power saving multimedia transmission method wherein the list of the plurality of available connection protocols includes: Bluetooth 2.0/2.1/4.0/4.1 protocol, 802.11 a/b/g/n/ac/ah protocol, low power wifi protocol and Zigbee protocol.
  • the multi-mode power-saving multimedia transmission method wherein the data structure includes: a unified connection ID, an application interface type, a current connection state, and four fields of a currently selected protocol type.
  • a multi-mode power saving multimedia transmission system comprising:
  • connection agreement obtaining module configured to obtain, by the multimedia terminal, a list of a plurality of available connection protocols in a protocol implementation layer between an application interface layer and a hardware implementation layer of the multimedia terminal when the user operation instruction is started;
  • connection establishing module configured to receive, by the multimedia terminal, a user operation instruction, in a list of the plurality of available connection protocols, acquiring and saving a most power-saving connection protocol according to a power saving priority of each connection protocol, and using the current The most power-saving connection protocol establishes a connection with other terminals;
  • connection disconnection module is configured to disconnect the multimedia terminal from other terminals when the time when the multimedia terminal and the other terminal do not perform data transmission exceed a preset time threshold.
  • the multi-mode power-saving multimedia transmission system further includes:
  • a setting module configured to receive, by the multimedia terminal, an operation instruction of the user, and set a time threshold
  • the multimedia terminal when the multimedia terminal is disconnected from other terminals, the multimedia terminal receives an operation instruction of the user, re-establishes a connection between the multimedia terminal and other terminals, and performs data transmission.
  • connection establishment module specifically includes:
  • a protocol screening unit configured to: in the list of the plurality of available connection protocols, acquire the most power-saving connection protocol according to a power saving priority of each connection protocol;
  • a protocol saving unit configured to acquire a data structure of the most power-saving connection protocol, and save the data structure
  • a connecting unit configured to establish a connection between the multimedia terminal and the other terminal according to the most power-saving connection protocol, and start data transmission.
  • the multi-mode power-saving multimedia transmission system wherein the list of the plurality of available connection protocols includes: Bluetooth 2.0/2.1/4.0/4.1 protocol, 802.11 a/b/g/n/ac/ah protocol, low power wifi protocol and Zigbee protocol.
  • the present invention provides a multi-mode power-saving multimedia transmission method and system thereof, the method comprising: obtaining, by a multimedia terminal, a protocol implementation layer between an application interface layer and a hardware implementation layer of the multimedia terminal when the user operation instruction is started a list of a plurality of available connection protocols; in the list of the plurality of available connection protocols, obtaining and saving the most power-saving connection protocol according to the power saving priority of each connection protocol, and
  • the power-saving connection protocol establishes a connection with other terminals; when the time when the multimedia terminal and other terminals do not perform data transmission exceeds a preset time threshold, the multimedia terminal is disconnected from other terminals.
  • connection Since the most power-saving connection protocol is selected in the multimedia terminal to connect with other terminals, and the two do not perform data transmission for a period of time, the connection is disconnected, thereby effectively reducing the connection power consumption, optimizing the working current, and greatly improving the multimedia terminal. Standby and working hours.
  • FIG. 1 is a flow chart of a preferred embodiment of a multimode power saving multimedia transmission method according to the present invention.
  • FIG. 2 is a specific flowchart of a multimedia terminal receiving a user operation instruction to acquire and save a most power-saving connection protocol and establishing a connection with other terminals.
  • FIG. 3 is a structural block diagram of a preferred embodiment of a multimode power saving multimedia transmission system according to the present invention.
  • the present invention provides a multi-mode power-saving multimedia transmission method and system thereof.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • FIG. 1 is a flowchart of a preferred embodiment of a multimode power saving multimedia transmission method according to the present invention. As shown in FIG. 1, the multi-mode power saving multimedia transmission method includes the following steps:
  • Step S100 The multimedia terminal obtains a list of a plurality of available connection protocols in a protocol implementation layer between an application interface layer and a hardware implementation layer of the multimedia terminal when the multimedia operation terminal receives the user operation instruction;
  • step S100 by obtaining a list of a plurality of available connection protocols in the multimedia terminal, the multimedia terminal can select a connection protocol in the list to establish a connection with other terminals and perform data transmission.
  • Step S200 The multimedia terminal receives a user operation instruction, in the list of the plurality of available connection protocols, acquires and saves the most power-saving connection protocol according to the power-saving priority of each connection protocol, and uses the current most power-saving connection
  • the connection protocol establishes a connection with other terminals
  • step S200 the multimedia terminal selects one of the most power-saving connection protocols to connect with other terminals according to the power-saving priority of each connection protocol, and the connection with other terminals through the most power-saving connection protocol optimizes the terminal from the protocol layer. Electrical strategy.
  • Step S300 When the time when the multimedia terminal and the other terminal do not perform data transmission exceed a preset time threshold, the multimedia terminal is disconnected from other terminals.
  • a plurality of available connection protocols are obtained in the multimedia terminal, and the most power-saving connection protocol is selected to be connected with other terminals, which is to select the most power-saving connection in the protocol implementation layer.
  • Protocol in the process of data transmission between the multimedia terminal and other terminals, when there is no data transmission for a period of time, the connection between the two is disconnected.
  • the data connection module of the multimedia terminal enters a dormant state, which Power is saved by hibernation in the hardware implementation layer.
  • the method before acquiring a plurality of available connection agreement lists in step S100, the method further includes:
  • Step S10 The multimedia terminal receives an operation instruction of the user, and sets a time threshold.
  • the time threshold here is a user-defined setting, which can be set as a permanent power-saving link, 10 minutes, 5 minutes, 2 minutes, and 1 minute, etc., when it is judged that the state of no data transmission between the multimedia terminal and other terminals lasts longer than
  • the time threshold of the user-defined setting the data connection module of the multimedia terminal enters a sleep state.
  • the user may further set a second time threshold according to actual usage requirements. When the time when the multimedia terminal disconnects from other terminals exceeds the second threshold, the user is restored.
  • the connection between the multimedia terminal and other terminals is also performed; the second time threshold may not be set, and the manual wake-up is used to restore the connection between the multimedia terminal and other terminals.
  • the method further includes:
  • Step S400 When the multimedia terminal is disconnected from other terminals, the multimedia terminal receives an operation instruction of the user, re-establishes a connection between the multimedia terminal and other terminals, and performs data transmission.
  • step S400 the multimedia terminal is woken up from the sleep state by manual operation, and the data connection with other terminals can be resumed in a very short time, thereby further performing data transmission.
  • Adopting the effective power management strategy of steps S100-S400 has no effect on the normal data transmission process, and can greatly extend the standby time and working time of the multimedia terminal.
  • step S200 the specific steps of the multimedia terminal receiving the user operation instruction to acquire and save the most power-saving connection protocol and establishing a connection with other terminals include:
  • Step S201 The multimedia terminal obtains the most power-saving connection protocol according to the power-saving priority of each connection protocol in the list of the plurality of available connection protocols;
  • Step S202 Acquire a data structure of the most power-saving connection protocol, and save the data structure.
  • Step S203 The multimedia terminal establishes a connection with other terminals according to the most power-saving connection protocol, and starts data transmission.
  • the list of the plurality of available connection protocols includes: Bluetooth 2.0/2.1/4.0/4.1 protocol, 802.11 a/b/g/n/ac/ah protocol, low power wifi protocol and Zigbee protocol, where:
  • Bluetooth 2.0/2.1 protocol Bluetooth 2.0 is a modified version of 1.2, the transmission rate is in the range of 1.8M/s-2.1M/s, there is a duplex working mode, that is, simultaneous voice communication, and transmission of files or pictures;
  • Bluetooth 2.1 is a "Sniff" compared to Bluetooth 2.0. Subrating technology, which is a low-power listening mode. For hardware devices that need to continuously transmit data streams, such as keyboards, mice, watches, etc., this technology can extend battery life by up to 5 times. Bluetooth 2.1 will also greatly Simplify the pairing process between devices. Bluetooth 4.0/4.1 protocol, Bluetooth 4.0 is an upgraded version of 3.0; more power saving, lower cost, 3 milliseconds low latency, long effective connection distance, AES-128 encryption, etc.; Used in Bluetooth headsets, Bluetooth speakers, etc. The most important feature of Bluetooth 4.0 is power saving, extremely low running and standby power consumption can make a button battery work for several years.
  • Bluetooth 4.1 is an upgraded version of 4.0
  • the batch data transmission speed is faster and the communication function is stronger.
  • the 802.11b/g protocol, the low-power wifi protocol and the 802.11ah protocol are one of the standards established by the WLAN, only the working frequency band and the data transmission rate. There are differences in power saving characteristics.
  • the data structure includes: a unified connection ID, an application interface type, a current connection state, and four currently selected protocol types, wherein the unified connection ID is generated in a sequence order; the application interface type stores an application interface call type, As the basis for the available connection selection; the current connection status is divided into several states: unpaired, connected ready, in transit, remote reply, and disconnected; the currently selected protocol is the most efficient transport protocol type selected.
  • the speaker uses a wireless projector projection to project a presentation in a laptop
  • the laptop obtains a list of available connection protocols in the protocol implementation layer between the application interface layer and the hardware implementation layer, including the Bluetooth 2.0/2.1/4.0/4.1 protocol, 802.11 a/b/g/n/ac/ah protocol, low power wifi protocol and Zigbee protocol;
  • the notebook selects the most power-saving connection protocol according to the power-saving priority of all protocols in the list of available connection protocols, such as the low-power wifi protocol. After selecting the protocol, the source wireless connection module of the laptop and The wireless connection module of the wireless projector of the wireless projector establishes a connection with a selected connection protocol;
  • the notebook transfers the data of the current page of the presentation to the wireless projector through the source wireless connection module.
  • the data of the current page of the presentation is cached in the storage module of the wireless projector, and the speaker may report the current page for a long time without If the page is switched, it is judged whether the time for data transmission between the notebook computer and the wireless projector does not exceed a preset time threshold, and if so, the source wireless connection module and the receiving terminal wireless connection module enter a sleep state, the notebook computer Temporarily disconnected from the wireless projector;
  • the laptop and the wireless projector continue to be disconnected; when the speaker operates the notebook to select other pages, the source wireless connection module and the receiving wireless connection module Immediately wake up from sleep, the laptop re-establishes a connection to the wireless projector and transmits data.
  • the present invention further provides a multi-mode power-saving multimedia transmission system, as shown in FIG. 3, including:
  • connection protocol obtaining module 210 is configured to obtain, when the multimedia terminal receives the user operation instruction, the list of the plurality of available connection protocols in the protocol implementation layer between the application interface layer and the hardware implementation layer of the multimedia terminal; as described above.
  • connection establishing module 220 configured to receive, by the multimedia terminal, a user operation instruction, in a list of the plurality of available connection protocols, acquire and save a most power-saving connection protocol according to a power saving priority of each connection protocol, and The current most power-saving connection protocol establishes a connection with other terminals; as described above.
  • the disconnection module 230 is configured to disconnect the multimedia terminal from other terminals when the time when the multimedia terminal does not perform data transmission with the other terminal exceeds a preset time threshold; as described above.
  • the multi-mode power-saving multimedia transmission system further includes:
  • the setting module 200 is configured to receive, by the multimedia terminal, an operation instruction of the user, and set a time threshold; as described above.
  • the connection connection module 240 is configured to: when the multimedia terminal is disconnected from other terminals, the multimedia terminal receives an operation instruction of the user, re-establishes the connection between the multimedia terminal and other terminals, and performs data transmission; Said.
  • connection establishing module 220 specifically includes:
  • the protocol screening unit is configured to obtain, in the list of the plurality of available connection protocols, the most power-saving connection protocol according to the power-saving priority of each connection protocol; specifically, as described above.
  • a protocol saving unit configured to acquire a data structure of the most power-saving connection protocol, and save the data structure; specifically as described above.
  • a connecting unit configured to establish a connection between the multimedia terminal and other terminals according to the most power-saving connection protocol, and start data transmission; specifically as described above.
  • the list of the plurality of available connection protocols includes: Bluetooth 2.0/2.1/4.0/4.1 protocol, 802.11 a/b/g/n/ac/ah protocol, low power wifi protocol and Zigbee protocol.
  • the present invention provides a multi-mode power-saving multimedia transmission method and system thereof.
  • the method includes: when a multimedia terminal receives a user operation instruction, and acquires an application interface layer and a hardware implementation layer of the multimedia terminal. a list of a plurality of available connection protocols in the protocol implementation layer; in the list of the plurality of available connection protocols, obtaining and saving the most power-saving connection protocol according to the power saving priority of each connection protocol, and Establishing a connection with other terminals according to the current most power-saving connection protocol; when the time when the multimedia terminal and other terminals are not performing data transmission exceeds a preset time threshold, the multimedia terminal is disconnected from other terminals. .
  • connection Since the most power-saving connection protocol is selected in the multimedia terminal to connect with other terminals, and the two do not perform data transmission for a period of time, the connection is disconnected, thereby effectively reducing the connection power consumption, optimizing the working current, and greatly improving the multimedia terminal. Standby and working hours.

Abstract

本发明所提供的一种多模省电的多媒体传输方法及其系统，所述方法包括：多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接。由于在多媒体终端中选用最省电的连接协议与其他终端连接，且两者在一段时间内未进行数据传输则断开连接，有效降低其连接功耗、优化工作电流，极大提高多媒体终端的待机和工作时间。

Description

一种多模省电的多媒体传输方法及其系统
技术领域
本发明涉及无线多媒体领域，尤其涉及的是一种多模省电的多媒体传输方法及其系统。
背景技术
无线通信传输技术正在以极快的速度取代有线通信在人们日常生活中占据的地位。如今，无线充电使得很多智能手机用户无需每天插拔充电器，无线电器开关也在年轻家庭日渐盛行，蓝牙音响、耳机更是在青年，商务人士中大面积普及；同时AirPlay（一种苹果公司制定的无线通讯技术）,DLNA（DIGITAL LIVING NETWORK ALLIANCE，即数字生活网络联盟，由索尼、英特尔、微软等发起成立、旨在解决个人PC，消费电器，移动设备在内的无线网络和有线网络的互联互通，使得数字媒体和内容服务的无限制的共享和增长成为可能）, MiraCast（是Wi-Fi Alliance于2012年9月19日宣布启动的Wi-Fi CERTIFIED Miracas认证项目，Miracast设备提供简化发现和设置，用户可以迅速在设备间传输视频）等各种不同制式无线投影适配器，电视，投影仪在市场开始成为消费电子市场新宠。人们得以摆脱有线功率传输和数据传输的束缚，得到自由自在，随时随地使用电子设备的自由。
然而，随着无线传输应用内容的更新换代，无线传输的功耗和使用时间问题，并未跟上用户的要求。一个连接蓝牙立体声耳机的手机，比关闭蓝牙功能的手机，使用时间会少15%-20%；一个开启wifi上网的手机，与关闭wifi的手机相比，系统平均电流差距是200mA左右，使用时间缩短40%。在无线投影应用中，一般标准无线投影适配器，平均待机和工作电流未经优化，典型值在300mA-500mA不等。采用此种电源管理策略，并不利于能源有效利用和绿色环保。
因此，现有技术还有待于改进和发展。
发明内容
鉴于上述现有技术的不足，本发明的目的在于提供一种多模省电的多媒体传输方法及其系统，从而解决现有技术中多媒体终端采用无线传输过程中功耗较大，工作电流未经优化及平均待机时间短的问题。
本发明的技术方案如下：
一种多模省电的多媒体传输方法，其中，所述方法包括步骤：
A、多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；
B、多媒体终端接收用户操作指令在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；
C、当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接。
所述多模省电的多媒体传输方法，其中，所述步骤A之前还包括：
S、多媒体终端接收用户的操作指令，设置一时间阈值。
所述多模省电的多媒体传输方法，其中，所述步骤B具体包括：
B1、所述多媒体终端在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取最省电的连接协议；
B2、获取所述最省电的连接协议的数据结构，并保存所述数据结构；
B3、所述多媒体终端与其他终端按照所述最省电的连接协议建立连接，并开始进行数据传输。
所述多模省电的多媒体传输方法，其中，所述步骤C之后还包括：
D、当所述多媒体终端与其他终端断开连接时，所述多媒体终端接收用户的操作指令，重新建立所述多媒体终端与其他终端的连接，并进行数据传输。
所述多模省电的多媒体传输方法，其中，所述多个可用的连接协议的清单包括：蓝牙2.0/2.1/4.0/4.1协议、802.11 a/b/g/n/ac/ah协议、低功耗wifi协议和Zigbee协议。
所述多模省电的多媒体传输方法，其中，所述数据结构包括：统一连接ID、应用接口类型，当前连接状态以及当前选定协议类型四个字段。
一种多模省电的多媒体传输系统，其中，包括：
连接协议获取模块，用于多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；
连接建立模块，用于多媒体终端接收用户操作指令在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；
连接断开模块，用于当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接。
所述多模省电的多媒体传输系统，其中，还包括：
设置模块，用于多媒体终端接收用户的操作指令，设置一时间阈值；
恢复连接模块，用于当所述多媒体终端与其他终端断开连接时，所述多媒体终端接收用户的操作指令，重新建立所述多媒体终端与其他终端的连接，并进行数据传输。
所述多模省电的多媒体传输系统，其中，所述连接建立模块具体包括：
协议筛选单元，用于所述多媒体终端在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取最省电的连接协议；
协议保存单元，用于获取所述最省电的连接协议的数据结构，并保存所述数据结构；
连接单元，用于所述多媒体终端与其他终端按照所述最省电的连接协议建立连接，并开始进行数据传输。
所述多模省电的多媒体传输系统，其中，所述多个可用的连接协议的清单包括：蓝牙2.0/2.1/4.0/4.1协议、802.11 a/b/g/n/ac/ah协议、低功耗wifi协议和Zigbee协议。
本发明所提供的一种多模省电的多媒体传输方法及其系统，所述方法包括：多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接。由于在多媒体终端中选用最省电的连接协议与其他终端连接，且两者在一段时间内未进行数据传输则断开连接，有效降低其连接功耗、优化工作电流，极大提高多媒体终端的待机和工作时间。
附图说明
图1为本发明所述多模省电的多媒体传输方法较佳实施例的流程图。
图2为本发明多媒体终端接收用户操作指令获取和保存最省电的连接协议并与其它终端建立连接的具体流程图。
图3为本发明所述多模省电的多媒体传输系统较佳实施例的结构框图。
具体实施方式
本发明提供一种多模省电的多媒体传输方法及其系统，为使本发明的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
请参见图1，图1是本发明所述多模省电的多媒体传输方法较佳实施例的流程图。如图1所示，所述多模省电的多媒体传输方法，包括以下步骤：
步骤S100、多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；
在步骤S100中，通过获取多媒体终端中的多个可用的连接协议的清单，使得多媒体终端可选择清单中的某一连接协议与其他终端建立连接并进行数据传输。
步骤S200、多媒体终端接收用户操作指令在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；
在步骤S200中多媒体终端根据各连接协议的省电优先级来选择其中最省电的一个连接协议与其他终端连接，通过最省电的连接协议与其他终端连接是从协议层优化了终端的用电策略。
步骤S300、当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接。
本发明较佳实施例中，首先通过在多媒体终端中获取多个可用的连接协议，并选取其中最省电的连接协议与其他终端进行连接，这是在协议实现层中选取最省电的连接协议；其次在多媒体终端和其他终端进行数据传输的过程中，当有一段时间两者并未进行数据传输则断开两者的连接，通俗说即是多媒体终端的数据连接模块进入休眠状态，这是在硬件实现层中通过休眠来实现省电。
进一步地实施例，如图1所示，在步骤S100获取多个可用的连接协议清单前，还包括：
步骤S10、多媒体终端接收用户的操作指令，设置一时间阈值。
显然此处的时间阈值是用户自定义设置，可设为永久省电链接，10分钟、5分钟、2分钟及1分钟等，当判断多媒体终端与其他终端之间无数据传输的状态持续时间超过用户自定义设置的时间阈值，则多媒体终端的数据连接模块进入休眠状态。当多媒体终端的数据连接模块进入休眠的期间，用户还可根据实际使用要求设定一第二时间阈值，当所述多媒体终端与其他终端断开连接的时间超过所述第二阈值，则恢复所述多媒体终端与其他终端的连接；同样也可以不设置所述第二时间阈值，而采用手动唤醒的方式来恢复所述多媒体终端与其他终端的连接。
进一步地实施例，如图1所示，在步骤S300所述多媒体终端与其他终端断开连接之后还包括：
步骤S400、当所述多媒体终端与其他终端断开连接时，所述多媒体终端接收用户的操作指令，重新建立所述多媒体终端与其他终端的连接，并进行数据传输。
在步骤S400中通过手动操作将所述多媒体终端从休眠状态中唤醒，能在极短时间内恢复与其他终端的数据连接，从而进一步的进行数据传输。采取步骤S100-S400的有效电源管理策略，对正常的数据传输过程无影响，而且能极大延长多媒体终端的待机时间和工作时间。
在步骤S200中，如图2所示，多媒体终端接收用户操作指令获取和保存最省电的连接协议并与其它终端建立连接的具体步骤包括：
步骤S201、所述多媒体终端在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取最省电的连接协议；
步骤S202、获取所述最省电的连接协议的数据结构，并保存所述数据结构；
步骤S203、所述多媒体终端与其他终端按照所述最省电的连接协议建立连接，并开始进行数据传输。
本发明较佳的实施例中，所述多个可用的连接协议的清单包括：蓝牙2.0/2.1/4.0/4.1协议、802.11 a/b/g/n/ac/ah协议、低功耗wifi协议和Zigbee协议，其中：
蓝牙2.0/2.1协议中，蓝牙2.0是1.2的改良版本，传输率在1.8M/s-2.1M/s范围内，有双工的工作方式，即同时进行语音通讯，以及传输档案或图片；
蓝牙2.1是相比于蓝牙2.0，加入了“Sniff Subrating”技术，即“低耗电监听模式”。对于需要持续传输数据流的硬件设备，比如键盘、鼠标、手表等而言，该技术可以将电池续航能力延长最多5倍。蓝牙2.1还将大大简化设备间的配对过程。蓝牙4.0/4.1协议中，蓝牙4.0是3.0的升级版本；较3.0版本更省电、成本低、3毫秒低延迟、超长有效连接距离、AES-128加密等；通常用在蓝牙耳机、蓝牙音箱等设备上。蓝牙4.0最重要的特性是省电，极低的运行和待机功耗可以使一粒纽扣电池连续工作数年之久。蓝牙4.1则是4.0的升级版，批量数据传输速度更快，同时通讯功能更强。802.11b/g协议、低功耗wifi协议和802.11ah协议都是无线局域网络制定的标准中的其中一种，只是工作频段和数据传输速率及省电特性上有区别。
进一步地实施例，所述数据结构包括：统一连接ID、应用接口类型，当前连接状态以及当前选定协议类型四个字段，其中统一连接ID为序列顺序生成；应用接口类型存储应用接口调用类型，作为可用连接选择的依据；当前连接状态分未配对、连接就绪、传输中、远程回复和连接已断开等几种状态；当前选定协议则是选定的最有效的传输协议类型。
以下将通过具体的应用实施例对本发明做进一步说明：
应用实例：演讲者使用无线投影仪投影来投影笔记本电脑中的演示文稿；
1.1笔记本电脑获取应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单，其中清单中包括蓝牙2.0/2.1/4.0/4.1协议、802.11 a/b/g/n/ac/ah协议、低功耗wifi协议和Zigbee协议；
1.2笔记本电脑根据可用的连接协议的清单中所有协议的省电优先级来选择一最省电的连接协议，如低功耗wifi协议，选定该协议后，笔记本电脑的源端无线连接模块和无线投影仪的接收端无线连接模块以选定的连接协议建立连接；
1.3笔记本将演示文稿当前页面的数据通过源端无线连接模块传输至无线投影仪，演示文稿当前页面的数据缓存在无线投影仪的存储模块中，此时演讲者可能会长时间演讲当前页面而不会切换页面，则判断笔记本电脑和无线投影仪之间未进行数据传输的时间是否超出一预先设定的时间阈值，若是则源端无线连接模块和接收端无线连接模块都进入休眠状态，笔记本电脑和无线投影仪暂时断开连接；
1.4当演讲者长时间停留在解说当前页面的内容时，则笔记本电脑和无线投影仪继续断开连接；当演讲者操作笔记本选定其他的页面时，源端无线连接模块和接收端无线连接模块都立即从休眠状态唤醒，笔记本电脑重新建立与无线投影仪的连接，并进行数据传输。
由上可见，由于在协议层和硬件层都采用了省电策略，极大延长多媒体终端的待机时间和工作时间。
基于上述方法，本发明还提供了一种多模省电的多媒体传输系统，如图3所示，包括：
连接协议获取模块210，用于多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；具体如上所述。
连接建立模块220，用于多媒体终端接收用户操作指令在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；具体如上所述。
连接断开模块230，用于当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接；具体如上所述。
进一步地实施例，如图3所示，所述多模省电的多媒体传输系统还包括：
设置模块200，用于多媒体终端接收用户的操作指令，设置一时间阈值；具体如上所述。
恢复连接模块240，用于当所述多媒体终端与其他终端断开连接时，所述多媒体终端接收用户的操作指令，重新建立所述多媒体终端与其他终端的连接，并进行数据传输；具体如上所述。
进一步的实施例，所述连接建立模块220具体包括：
协议筛选单元，用于所述多媒体终端在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取最省电的连接协议；具体如上所述。
协议保存单元，用于获取所述最省电的连接协议的数据结构，并保存所述数据结构；具体如上所述。
连接单元，用于所述多媒体终端与其他终端按照所述最省电的连接协议建立连接，并开始进行数据传输；具体如上所述。
本发明较佳的实施例中，所述多个可用的连接协议的清单包括：蓝牙2.0/2.1/4.0/4.1协议、802.11 a/b/g/n/ac/ah协议、低功耗wifi协议和Zigbee协议。
综上所述，本发明所提供的一种多模省电的多媒体传输方法及其系统，所述方法包括：多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接。由于在多媒体终端中选用最省电的连接协议与其他终端连接，且两者在一段时间内未进行数据传输则断开连接，有效降低其连接功耗、优化工作电流，极大提高多媒体终端的待机和工作时间。
应当理解的是，本发明的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (17)

  1. 一种多模省电的多媒体传输方法，其特征在于，所述方法包括步骤：
    A、多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；
    B、多媒体终端接收用户操作指令在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；
    C、当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接。
  2. 根据权利要求1所述多模省电的多媒体传输方法，其特征在于，所述步骤A之前还包括：
    S、多媒体终端接收用户的操作指令，设置一时间阈值。
  3. 根据权利要求1所述多模省电的多媒体传输方法，其特征在于，所述步骤B具体包括：
    B1、所述多媒体终端在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取最省电的连接协议；
    B2、获取所述最省电的连接协议的数据结构，并保存所述数据结构；
    B3、所述多媒体终端与其他终端按照所述最省电的连接协议建立连接，并开始进行数据传输。
  4. 根据权利要求1所述多模省电的多媒体传输方法，其特征在于，所述步骤C之后还包括：
    D、当所述多媒体终端与其他终端断开连接时，所述多媒体终端接收用户的操作指令，重新建立所述多媒体终端与其他终端的连接，并进行数据传输。
  5. 根据权利要求1所述多模省电的多媒体传输方法，其特征在于，所述多个可用的连接协议的清单包括：蓝牙2.0/2.1/4.0/4.1协议、802.11 a/b/g/n/ac/ah协议、低功耗wifi协议和Zigbee协议。
  6. 根据权利要求3所述多模省电的多媒体传输方法，其特征在于，所述数据结构包括：统一连接ID、应用接口类型，当前连接状态以及当前选定协议类型四个字段。
  7. 一种多模省电的多媒体传输方法，其特征在于，所述方法包括步骤：
    S、多媒体终端接收用户的操作指令，设置一时间阈值；
    A、多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；
    B、多媒体终端接收用户操作指令在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；
    C、当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接；
    D、当所述多媒体终端与其他终端断开连接时，所述多媒体终端接收用户的操作指令，重新建立所述多媒体终端与其他终端的连接，并进行数据传输。
  8. 根据权利要求7所述多模省电的多媒体传输方法，其特征在于，所述步骤B具体包括：
    B1、所述多媒体终端在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取最省电的连接协议；
    B2、获取所述最省电的连接协议的数据结构，并保存所述数据结构；
    B3、所述多媒体终端与其他终端按照所述最省电的连接协议建立连接，并开始进行数据传输。
  9. 根据权利要求7所述多模省电的多媒体传输方法，其特征在于，所述多个可用的连接协议的清单包括：蓝牙2.0/2.1/4.0/4.1协议、802.11 a/b/g/n/ac/ah协议、低功耗wifi协议和Zigbee协议。
  10. 根据权利要求7所述多模省电的多媒体传输方法，其特征在于，所述数据结构包括：统一连接ID、应用接口类型，当前连接状态以及当前选定协议类型四个字段。
  11. 根据权利要求7所述多模省电的多媒体传输方法，其特征在于，所述步骤S中的阈值为10分钟、5分钟、2分钟或1分钟。
  12. 根据权利要求7所述多模省电的多媒体传输方法，其特征在于，所述步骤S还包括：当多媒体终端的数据连接模块进入休眠的期间，还可根据实际使用要求设定一第二时间阈值，当所述多媒体终端与其他终端断开连接的时间超过所述第二阈值，则恢复所述多媒体终端与其他终端的连接；同样也可不设置所述第二时间阈值，而采用手动唤醒的方式来恢复所述多媒体终端与其他终端的连接。
  13. 一种多模省电的多媒体传输方法，其特征在于，包括：
    S、多媒体终端接收用户的操作指令，设置一时间阈值；
    A、多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；
    B、多媒体终端接收用户操作指令在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；
    C、当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接；
    所述步骤S还包括：当多媒体终端的数据连接模块进入休眠的期间，还可根据实际使用要求设定一第二时间阈值，当所述多媒体终端与其他终端断开连接的时间超过所述第二阈值，则恢复所述多媒体终端与其他终端的连接；同样也可不设置所述第二时间阈值，而采用手动唤醒的方式来恢复所述多媒体终端与其他终端的连接。
  14. 一种多模省电的多媒体传输系统，其特征在于，包括：
    连接协议获取模块，用于多媒体终端接收用户操作指令开机时，获取多媒体终端的应用接口层与硬件实现层之间的协议实现层中的多个可用的连接协议的清单；
    连接建立模块，用于多媒体终端接收用户操作指令在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取和保存最省电的连接协议，并以所述当前最省电的连接协议与其他终端建立连接；
    连接断开模块，用于当所述多媒体终端与其他终端未进行数据传输的时间超出一预先设定的时间阈值，则所述多媒体终端与其他终端断开连接。
  15. 根据权利要求14所述多模省电的多媒体传输系统，其特征在于，还包括：
    设置模块，用于多媒体终端接收用户的操作指令，设置一时间阈值；
    恢复连接模块，用于当所述多媒体终端与其他终端断开连接时，所述多媒体终端接收用户的操作指令，重新建立所述多媒体终端与其他终端的连接，并进行数据传输。
  16. 根据权利要求14所述多模省电的多媒体传输系统，其特征在于，所述连接建立模块具体包括：
    协议筛选单元，用于所述多媒体终端在所述多个可用的连接协议的清单中，根据各连接协议的省电优先级，获取最省电的连接协议；
    协议保存单元，用于获取所述最省电的连接协议的数据结构，并保存所述数据结构；
    连接单元，用于所述多媒体终端与其他终端按照所述最省电的连接协议建立连接，并开始进行数据传输。
  17. 根据权利要求14所述多模省电的多媒体传输系统，其特征在于，所述多个可用的连接协议的清单包括：蓝牙2.0/2.1/4.0/4.1协议、802.11 a/b/g/n/ac/ah协议、低功耗wifi协议和Zigbee协议。
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