CN109769290B - Data transmission method for uplink and terminal device - Google Patents
Data transmission method for uplink and terminal device Download PDFInfo
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- CN109769290B CN109769290B CN201910283329.6A CN201910283329A CN109769290B CN 109769290 B CN109769290 B CN 109769290B CN 201910283329 A CN201910283329 A CN 201910283329A CN 109769290 B CN109769290 B CN 109769290B
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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
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Abstract
The present invention provides a kind of data transmission method for uplink and terminal device.This method comprises: the CP of the terminal device obtains data to be sent；The CP of the terminal device carries out safe handling to the data to be sent；The CP of the terminal device sends the data to be sent by non-cellular mobile communications network.Data transmission method for uplink and terminal device provided in an embodiment of the present invention can reduce the power consumption of application processor AP in terminal device.
Description
Technical Field
The embodiment of the invention relates to a communication technology, in particular to a data sending method and terminal equipment.
Background
The terminal device includes a Communication Processor (CP) and an Application Processor (AP), where the CP is mainly used for processing functions such as wireless communication, for example, the terminal communicates with the network device through a New Radio (NR)/Long Term Evolution (LTE), and the AP mainly processes functions related to applications. NR, the fifth Generation (5G) communication standard proposed by the third Generation partnership project (3 GPP), and is also commonly referred to as the 5G new air interface.
In the prior art, since a Wireless-Fidelity (Wi-Fi) is linked to an AP, when a terminal device sends data to a network device through a Wi-Fi network, a CP of the terminal device needs to send the data to be sent to the AP through a path between the AP and the CP, and then the data is sent out through the Wi-Fi network through the AP. "Wireless Fidelity" is the name of Wi-Fi technology earlier proposed by the Wi-Fi Alliance (Wi-Fi Alliance), and is currently only denoted by Wi-Fi.
However, in the prior art, after the CP transmits data to the AP, the AP transmits the data to the network device, which may increase power consumption of the AP.
Disclosure of Invention
The embodiment of the invention provides a data transmission method and terminal equipment, which are used for reducing the power consumption of an AP.
In a first aspect, an embodiment of the present invention provides a data sending method, which is applied to a terminal device, where the terminal device includes a communication processor CP, and the method includes:
the CP of the terminal equipment acquires data to be sent;
the CP of the terminal equipment carries out safety processing on the data to be sent;
and the CP of the terminal equipment transmits the processed data through a non-cellular mobile communication network.
Optionally, the data to be sent includes at least one of the following: session initiation protocol SIP signaling, voice data, video data, access stratum AS data, and non-access stratum NAS data.
Optionally, before the CP of the terminal device sends the processed data through the non-cellular mobile communication network, the method further includes:
establishing a non-cellular mobile communications network link between the terminal device and the network device;
the CP of the terminal equipment transmits the processed data through a non-cellular mobile communication network, and the method comprises the following steps:
and the CP of the terminal equipment transmits the processed data through the non-cellular mobile communication network link.
Optionally, the establishing a non-cellular mobile communication network link between the terminal device and the network device includes:
the terminal equipment receives a network protocol IP address sent by the network equipment;
the terminal equipment determines port information corresponding to the non-cellular mobile communication network link;
the terminal equipment determines the protocol type of the non-cellular mobile communication network link, wherein the protocol type comprises a Transmission Control Protocol (TCP) type or a User Datagram Protocol (UDP) type;
and the terminal equipment establishes a non-cellular mobile communication network link between the terminal equipment and the network equipment according to the IP address, the port information and the protocol type.
Optionally, the data to be sent includes session initiation protocol SIP signaling;
the method for acquiring data to be transmitted by the CP of the terminal equipment comprises the following steps:
the CP of the terminal equipment receives the Session Initiation Protocol (SIP) signaling from an Application Processor (AP) of the terminal equipment; or,
and the CP of the terminal equipment acquires the session initiation protocol SIP signaling from the local.
Optionally, the data to be sent includes voice data;
the method for acquiring data to be transmitted by the CP of the terminal equipment comprises the following steps:
the CP of the terminal equipment receives the voice data from an Application Processor (AP) of the terminal equipment; or,
and the CP of the terminal equipment acquires the voice data from the local.
Optionally, the data to be sent includes video data;
the method for acquiring data to be transmitted by the CP of the terminal equipment comprises the following steps:
the CP of the terminal device receives the video data from the application processor AP of the terminal device.
Optionally, the non-cellular mobile communications network comprises a wireless fidelity Wi-Fi network.
Optionally, the performing, by the CP of the terminal device, security processing on the data to be sent includes:
and the CP of the terminal equipment encrypts the data to be sent, and/or performs data integrity processing on the data to be sent.
In a second aspect, an embodiment of the present invention provides a terminal device, where the terminal device includes a communication processor CP, and includes:
the CP of the terminal equipment is used for acquiring data to be sent;
the CP of the terminal equipment is also used for carrying out safety processing on the data to be sent;
the CP of the terminal device is further configured to send the processed data through the non-cellular mobile communication network.
Optionally, the data to be sent includes at least one of the following: session initiation protocol SIP signaling, voice data, video data, access stratum AS data, and non-access stratum NAS data.
Optionally, the CP of the terminal device is further configured to establish a non-cellular mobile communication network link between the terminal device and the network device;
the CP of the terminal device is further configured to send the processed data through the non-cellular mobile communication network link.
Optionally, the CP of the terminal device is specifically configured to:
receiving a network protocol IP address sent by network equipment;
determining port information corresponding to the non-cellular mobile communication network link;
determining a protocol type of the non-cellular mobile communication network link, wherein the protocol type comprises a Transmission Control Protocol (TCP) type or a User Datagram Protocol (UDP) type;
and establishing a non-cellular mobile communication network link between the terminal equipment and the network equipment according to the IP address, the port information and the protocol type.
Optionally, the data to be sent includes session initiation protocol SIP signaling;
the CP of the terminal device is specifically configured to:
receiving the session initiation protocol, SIP, signaling from an application processor, AP, of the terminal device; or,
the session initiation protocol, SIP, signaling is retrieved locally.
Optionally, the data to be sent includes voice data;
the CP of the terminal device is specifically configured to:
receiving the voice data from an Application Processor (AP) of the terminal equipment; or,
the voice data is obtained locally.
Optionally, the data to be sent includes video data;
the CP of the terminal device is specifically configured to:
receiving the video data from an application processor AP of the terminal device.
Optionally, the non-cellular mobile communications network comprises a wireless fidelity Wi-Fi network.
Optionally, the CP of the terminal device is specifically configured to:
and encrypting the data to be sent and/or carrying out data integrity processing on the data to be sent.
In a third aspect, an embodiment of the present invention provides a terminal device, including:
an application processor AP and a communication processor CP;
a memory; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor, the computer program comprising instructions for performing the method of the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored, and the computer program causes a terminal device to execute the method in the first aspect.
According to the data transmission method and the terminal equipment, the CP of the terminal equipment acquires the data to be transmitted, performs safety processing on the data to be transmitted by the CP of the terminal equipment, and transmits the processed data through a non-cellular mobile communication network. After acquiring the data to be sent, the CP does not need to send the data to be sent to the AP but directly sends the data to be sent through the non-cellular mobile communication network, so that the phenomenon that the AP needs to be awakened is avoided, and the power consumption of the AP is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a system architecture for transmitting data by a terminal device in the prior art;
FIG. 2 is a schematic diagram of a possible system architecture according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a first data transmission method according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of a second data transmission method according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a non-cellular mobile communications network link establishment;
fig. 6 is a schematic structural diagram of a first terminal device according to an embodiment of the present invention;
fig. 7 shows a schematic diagram of a possible structure of the terminal device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," and "fourth," if any, in the description and claims of the invention and in the above-described figures are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The data transmission method provided by the embodiment of the invention can be applied to an application scene that the terminal equipment transmits data to the network equipment through the non-cellular mobile communication network. The terminal device may be a wireless terminal device that receives the network device scheduling and indication information, and may be, for example, a mobile phone, a computer, a data card, or the like. The network device is a device for communicating with the mobile device, and may be, for example, a base station (NodeB) or the like, and the network device may include only a Wi-Fi network device, may also include a Wi-Fi network device and a network device of a cellular mobile communication network, may also include a Wi-Fi network device and a network device of an IMS network, and may also include a Wi-Fi network device, a network device of a cellular mobile communication network, and a network device of an IMS network. The cellular mobile communication network may be a cellular mobile communication network defined by a third Generation partnership project (3 GPP) specification, and the non-cellular mobile communication network may be other networks than the cellular mobile communication network defined by the 3GPP specification, such as a Wi-Fi network or an ethernet network, etc., except for a third Generation mobile communication technology (3rd Generation, 3G), a fourth Generation mobile communication technology (4th Generation, 4G), a fifth Generation cellular mobile communication (5th Generation Wireless Systems, 5G), and a sixth Generation mobile communication technology (6th Generation, 6G), etc.
Fig. 1 is a schematic diagram of a system architecture for a terminal device to send data in the prior art, as shown in fig. 1, an AP in the prior art includes an IP-based Multimedia Subsystem (IMS), a video engine (video engine), and a TCP/IP module. The IMS in the AP is configured to process a Session Initiation Protocol (SIP) signaling, the video engine (video engine) is configured to generate or process video data, and the TCP/IP module in the AP and the TCP/IP module in the CP are configured to send data according to the TCP/IP protocol.
In addition, the AP also comprises a Wi-Fi (Wireless-Fidelity) based application module, which comprises a Wi-Fi driving module, a Wi-Fi management module, a Wi-Fi service module, a Wi-Fi safety module and other functional modules, wherein the Wi-Fi driving module is used for controlling communication between the terminal equipment and the Wi-Fi, and comprises loading, starting, inter-core control and data interaction channel maintenance and control of the AP on the Wi-Fi, abnormal processing when a fault occurs and the like.
The Wi-Fi management module is used for monitoring Wi-Fi hotspots and signal strength, selecting different Wi-Fi hotspots or switching among the Wi-Fi hotspots according to network or terminal equipment definition and the like.
The Wi-Fi service module is used for being responsible for control of Wi-Fi link establishment, maintenance, release and the like according to different applications, and comprises the steps of establishing corresponding security link, maintenance and the like, for example, when the Wi-Fi access to the IMS network, one access mode (for example, an S2b mode is selected for a non-trusted Wi-Fi hotspot) is selected from multiple modes (for example, S2a, S2b, S2c and the like) for accessing the IMS network according to network indication or terminal configuration.
The Wi-Fi security module is used for realizing security protection of Wi-Fi links, and different applications may correspond to different security policies and security level requirements.
The CP includes command and control modules (command and control), IMS and TCP/IP modules. The command and control module in the CP is used for controlling communication between the AP and the CP, the IMS includes an SIP processing module and an audio engine (voice engine), the SIP processing module is used for generating and processing SIP signaling, and the audio engine (voice engine) is used for generating or processing audio data. In addition, the CP may communicate data with a cellular mobile communication network, which may be, for example, a 3G, 4G, 5G, or 6G network, through a radio access technology defined by the 3rd Generation partnership project (3 GPP) specification.
As can be seen from fig. 1, currently, the signaling related to the terminal device and the communication is mainly processed in the CP, and the voice data for the non-cellular mobile communication network is also mainly processed in the CP. If the Wi-Fi is used as a terminal device access technology to communicate with a network, the Wi-Fi processor of the terminal device can only directly communicate with the AP, and all signaling and data of the CP can only be forwarded through the AP. That is, since the Wi-Fi is linked to the AP, when the terminal device sends data to the network device through the Wi-Fi network, the CP of the terminal device needs to send the data to the AP through the path between the AP and the CP, and then sends the data to be sent out through the Wi-Fi network through the AP. When data is transmitted, the AP needs to be woken up, and the AP transmits the data to the network device.
The prior art solution based on fig. 1 is for several reasons: 1. the AP chip and the Wi-Fi chip relate to cross-core control and communication, relate to a complete set of complicated control and management, include loading, starting, route design of communication among the cores, state detection and control of the link and non-link state of the starting stage/link of the AP processor to Wi-Fi, unusual treatment when breaking down, control such as linking, switching, etc., tools and schemes such as maintaining and debugging, etc., there has been a set of perfect control, management and interaction schemes in the existing Operating System (OS) (for example, Android, etc.), through the use, debugging and continuous upgrade and optimization of the Operating System for many years of the terminal equipment industry, the framework and scheme between AP and Wi-Fi processor have been relatively stable.
2. The Wi-Fi-based application is mainly related to the AP, such as internet surfing, entertainment, file uploading and downloading and the like, the application does not need the participation of the CP, the AP and the Wi-Fi chip can be completed as a whole with a complete function, and for example, the AP and the Wi-Fi chip in various Pad terminals can be completed as a whole with functions of internet surfing, entertainment, file uploading and downloading and the like.
3. Since the communication, maintenance and technology between the CP and the AP and between the Wi-Fi and the AP are relatively mature and stable technologies, if the CP needs to communicate with the network through Wi-Fi, the CP transmits data to the AP and then the AP forwards the data to the Wi-Fi processor by using the architecture based on fig. 1, which is technically easier to implement and maintain.
4. The complexity of inter-core communication is multiplied if the communication between Wi-Fi and CP is increased. The CP/AP/Wi-Fi cross-core processing, control and maintenance between each other are more complex and difficult to realize than the traditional Wi-Fi and CP chips which only respectively control and communicate with the AP chip.
However, the technical implementation as shown in fig. 1 has the following problems: 1. it is not beneficial to reduce the power consumption of the mobile terminal. Based on the existing Wi-Fi communication scheme, CP signaling or data forwarded by the AP wakes up the AP, thereby increasing power consumption of the terminal device. Meanwhile, the efficiency of forwarding through the AP is relatively low. 2. With the evolution of communication protocols, Wi-Fi-based communication is no longer limited to applications such as the traditional hypertext transfer Protocol (HTTP), File Transfer Protocol (FTP), and the like. The 3GPP specifications use Wi-Fi as an access technology for the terminal device to communicate with the cellular mobile communication network, for example: 1) the Vowi-Fi is communicated with a non-cellular mobile communication network through the Wi-Fi by a terminal, and multimedia functions of voice, video and the like based on IP multimedia and other functions of Short Message Service (SMS) and the like are provided through an IMS of a terminal device and an IMS of a network device. 2) The 5G NAS messages may also communicate over Wi-Fi and a non-cellular mobile communications Network Core Network (CN). 3) Wi-Fi is an access technology of a terminal device, and the relationship between 3GPP conventional access technologies, such as 2G, 3G, 4G or 5G, is also becoming more and more compact, for example, Wi-Fi and these 3GPP access technologies can be handed over to each other due to changes in radio conditions. Wi-Fi can not directly communicate with the CP if only accessing the AP, which is not beneficial to the timely interaction between Wi-Fi and other access technologies defined by 3 GPP.
In view of the above problems, an embodiment of the present invention provides a data transmission method, as shown in fig. 2. Fig. 2 is a schematic diagram of a possible system architecture provided in an embodiment of the present invention, in which in addition to directly communicating with an AP of a terminal and supporting a traditional application, a chip/device of a Wi-Fi or other non-cellular mobile communication (e.g., ethernet) access technology also directly communicates with a CP of the terminal device, that is, the chip/device of the Wi-Fi or other non-cellular mobile communication access technology is linked to the CP of the terminal device, in this way, if there is data to be sent by the chip/device of the Wi-Fi or other non-cellular mobile communication access technology, the CP first obtains the data to be sent, and after performing security processing on the obtained data to be sent, the CP sends the processed data through the Wi-Fi or other non-cellular mobile communication network. Wi-Fi is used as an example for simplicity, but the techniques and embodiments of the method are equally applicable to other non-cellular mobile communication technologies.
In fig. 2, a video engine (video engine) and a TCP/IP module included in the AP are similar to those in fig. 1, the video engine (video engine) in the AP is used to generate or process video data, and the TCP/IP module in the AP and the TCP/IP module in the CP are used to transmit data according to a TCP/IP protocol. In addition, traditional internet surfing, entertainment, file uploading and downloading and other signaling and data are communicated through a direct link between the AP and the Wi-Fi. The AP still comprises Wi-Fi-based application modules, including functional modules such as a Wi-Fi driving module, a Wi-Fi management module, a Wi-Fi service module and a Wi-Fi safety module.
Similar to fig. 1, the command and control module in the CP is used to control the communication between the AP and the CP, the IMS includes an SIP processing module and an audio engine (voice engine), the SIP processing module is used to generate and process SIP signaling, the audio engine (voice engine) is used to generate or process audio data, and the service routing module is used to route data to be sent to the non-cellular mobile communication network or the cellular mobile communication network. In addition, the CP may perform data communication with a cellular mobile communication network, which may be, for example, a 3G, 4G, 5G, or 6G network, through a radio access technology defined by 3 GPP.
Furthermore, in order to support the CP and the Wi-Fi direct communication, a CP Wi-Fi driving module, a CPWi-Fi management module, a functional module supporting CP service management (for example, IMS service), CP Wi-Fi security management, and the like need to be added to the CP. The functional modules of the CP Wi-Fi driving module, the CP Wi-Fi management module and the like are similar to those in the figure 1 and are used for supporting the CP business management module to only process the business related to the CP.
Compared with the figure 1, the Wi-Fi coordination control module added in the CP is responsible for coordinating the control of the CP/AP on the Wi-Fi chip, including coordinating the priority of the business between the CP/APs, and avoiding the business failure caused by the conflict when different businesses of the CP/AP use Wi-Fi; when switching between Wi-Fi and other 3GPP systems, whether switching is carried out or not is comprehensively judged according to the priority of a wireless access technology and different scenes.
In addition, the state information (e.g., signal strength) of the Wi-Fi chip is not only reported to the AP but also to the CP. The Wi-Fi chip not only receives control commands and data from the AP, but also monitors the control commands and data from the CP, coordinates the control commands, and sends the received data to the network.
The Wi-Fi chip not only simply sends the received network data to the AP, but also needs to decide whether the data should be sent to the CP or processed by the AP according to the information carried by the data or the control information of the CP or the AP.
The technical problem of the scheme shown in fig. 1 at present can be effectively solved by the scheme (for example, fig. 2) provided in the embodiment of the present invention, because after acquiring the data to be sent, the CP does not need to send the data to be sent to the AP, but directly sends the data to be sent to the network device through the non-cellular mobile communication network, thereby avoiding the phenomenon that the AP needs to be woken up, and facilitating to reduce the power consumption of the terminal concerned by the mobile terminal. Meanwhile, the CP signaling and the data do not need to be forwarded to the Wi-Fi through the AP, so when the CP communicates with the network through the Wi-Fi, the data sending efficiency is higher and the performances such as communication delay and the like are also more advantageous in the scheme shown in FIG. 2. Moreover, the scheme is more convenient for subsequent upgrading and evolution of the communication protocol. For example, when the Vowi-Fi has a telephone service, if the Wi-Fi signal quality is poor and the switching to the 5G NR is required, the AP firstly informs the CP through a control signaling, the CP judges that the NR signal quality is good, then establishes a wireless link with an access network, then establishes a link with a core network, and indicates that the AP CP NR is ready for IMS resources after the IMS service resources are reserved, and after the terminal determines that the IMS message can be normally received and sent through the NR, the terminal disconnects the Vowi-Fi and continues the IMS service on the NR. In the whole process of switching the Vowi-Fi to the VoNR, the process of establishing the Wi-Fi link and the process of establishing the NR link are relatively independent and are controlled and coordinated by the terminal. VoNR switches to VoWi-Fi similarly, with the switching duration in seconds. The longer the switching time, the higher the probability of a dropped call. In contrast, the handover between 2G/3G/4G/5G also supports reporting of signal conditions measured by the terminal device between different access technologies defined in the 3GPP specifications to the network, or actively requiring the terminal device to report signal conditions measured by various access technologies by the network according to the network distribution near the terminal device, and then initiating the handover between different access technologies by the network, in addition to the terminal device actively initiating the reselection between different access technologies, the interoperation handover between different access technologies defined in the 3GPP specifications can be generally completed within milliseconds. The advantage of switching through the interoperation mode is that the probability of service failure can be greatly reduced by switching in time. In the chip scheme of the AP where the Wi-Fi link is defined by the AP and the 3GPP specification and the CP, when the wireless condition changes and the network information needs to be shared in time, it is obviously difficult for the terminal device to complete real-time coordination and processing between the Wi-Fi and the 3GPP specification defined access technologies in time, and it is also difficult to implement real-time initiation of handover between the different access technologies defined by the Wi-Fi and the 3GPP specification according to the mutual measurement result. If the Wi-Fi and the CP are directly communicated, the terminal can conveniently share and coordinate information between access technologies defined by Wi-Fi and 3GPP specifications in time, and a realization architecture and technical realization support can be provided for upgrading and evolving a communication protocol based on measurement real-time interoperation switching between the access technologies defined by the subsequent Wi-Fi and 3GPP specifications.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 3 is a flowchart illustrating a first data transmission method according to an embodiment of the present invention, where the first data transmission method may be implemented by any device that executes the data transmission method, and the device may be implemented by software and/or hardware. In this embodiment, the apparatus may be integrated in a CP of a terminal device. As shown in fig. 3, on the basis of the architecture shown in fig. 2, the data transmission method provided in the embodiment of the present invention includes the following steps:
step 301: the CP of the terminal device obtains data to be transmitted.
Step 302: and the CP of the terminal equipment carries out safety processing on the data to be transmitted.
Step 303: and the CP of the terminal equipment transmits the processed data through the non-cellular mobile communication network.
In this embodiment, the terminal device includes an AP and a CP, where the AP mainly handles functions related to applications, and the CP is mainly used for handling functions such as wireless communication, for example, the terminal communicates with the network device through NR/LTE.
In addition, a non-cellular mobile communication network, which is other than the cellular mobile communication network defined by the third Generation Partnership Project (3 GPP), such as 3G, 4G, 5G, and 6G, may be linked to the CP, and may be, for example, a Wi-Fi network or an ethernet network, etc. After the non-cellular mobile communication network is linked to the CP, when the CP acquires data to be transmitted, the data to be transmitted is directly transmitted through the non-cellular mobile communication network, for example, to network equipment, after the data to be transmitted is subjected to security processing, instead of being transmitted to the AP. Therefore, the phenomenon that the AP needs to be awakened and the AP sends data to be sent can be avoided, and the power consumption of the AP is reduced.
Optionally, the security processing performed by the CP of the terminal device on the data to be transmitted may include encrypting the data to be transmitted by the CP of the terminal device, and/or performing data integrity processing on the data to be transmitted by the CP of the terminal device.
The CP encrypts the data to be transmitted and/or transmits the processed data through the non-cellular mobile communication network after the data to be transmitted is processed in a data integrity way, thereby improving the security of the data.
Optionally, the data to be sent may include at least one of the following: session Initiation Protocol (SIP) signaling, voice (voice) data, video (video) data, Access Stratum (AS) data, and Non-Access Stratum (NAS) data.
In a possible implementation manner, if the data to be sent includes an SIP signaling, the CP of the terminal device may obtain the data to be sent by the following method: the CP of the terminal equipment receives the SIP signaling from the AP of the terminal equipment; alternatively, the CP of the terminal device acquires the SIP signaling from the local.
Specifically, as shown in fig. 2, if the data to be sent includes an SIP signaling and an IP-based Multimedia Subsystem (IMS) that processes the SIP signaling is located in the CP, the CP of the terminal device may locally obtain the SIP signaling from the CP and send the obtained SIP signaling to the network device through the non-cellular mobile communication network.
Optionally, if the data to be sent includes an SIP signaling and the IMS that processes the SIP signaling is located in the AP, after the AP generates the SIP signaling, the CP of the terminal device receives the SIP signaling from the AP of the terminal device and sends the received SIP signaling through the non-cellular mobile communication network. The CP receives the SIP signaling from the AP, may be that the AP actively sends the SIP signaling to the CP after generating the SIP signaling, or may be that the CP sends a request message to the AP, and the AP sends the SIP signaling to the CP after receiving the request message.
In another possible implementation manner, if the data to be sent includes voice data, the CP of the terminal device may obtain the data to be sent by: a CP of the terminal equipment receives voice data from an AP of the terminal equipment; alternatively, the CP of the terminal device acquires voice data from the local.
Specifically, as shown in fig. 2, if the data to be transmitted includes voice data and a voice engine (voice engine) for processing the voice data is located in the CP, the CP of the terminal device may locally obtain the voice data from the CP and transmit the obtained voice data through the non-cellular mobile communication network.
In addition, the CP of the terminal device may also acquire voice data from the sound source device, for example, from an audio Data Signal Processing (DSP), process the voice data, and transmit the processed voice data through the non-cellular mobile communication network.
Optionally, if the data to be sent includes voice data and a voice engine (voiceengine) that processes the voice data is located in the AP, after the AP generates the voice data, the CP of the terminal device receives the voice data from the AP of the terminal device and sends the received voice data through the non-cellular mobile communication network, for example, to the network device. The CP receives the voice data from the AP, may be that the AP generates the voice data and then actively sends the voice data to the CP, or may be that the CP sends a request message to the AP, and the AP sends the voice data to the CP after receiving the request message.
The AP may also acquire the voice data from the sound source device, process the voice data, and send the processed voice data to the CP.
In another possible implementation manner, if the data to be sent includes video data, the CP of the terminal device may obtain the data to be sent by: the CP of the terminal device receives video data from the AP of the terminal device.
Specifically, as shown in fig. 2, if the data to be transmitted includes video data and a video engine (video engine) for processing the video data is located in the AP, after the AP generates the video data, the CP of the terminal device receives the video data from the AP of the terminal device and transmits the received video data through the non-cellular mobile communication network, for example, to the network device. The CP receives the video data from the AP, may be that the AP actively sends the video data to the CP after generating the video data, or may be that the CP sends a request message to the AP, and the AP sends the video data to the CP after receiving the request message.
The embodiment of the invention provides a data transmission method, wherein a CP of a terminal device acquires data to be transmitted, performs security processing on the data to be transmitted by the CP, and transmits the processed data through a non-cellular mobile communication network. After acquiring the data to be sent, the CP does not need to send the data to be sent to the AP but directly sends the data to be sent through the non-cellular mobile communication network, so that the phenomenon that the AP needs to be awakened is avoided, and the power consumption of the AP is reduced.
Further, Wi-Fi can also be linked to the AP and the CP at the same time, so that the AP can directly send data generated by the AP to the network device through Wi-Fi, and the CP can directly send data generated by the CP to the network device through Wi-Fi, thereby simplifying a data sending process.
Fig. 4 is a flowchart of a second embodiment of a data sending method according to the present invention, and this embodiment describes, in detail, a process that a non-cellular mobile communication network link between a terminal device and a network device needs to be established before a CP sends data to be sent through the non-cellular mobile communication network based on the embodiment shown in fig. 3. As shown in fig. 4, the data transmission method provided in the embodiment of the present invention includes the following steps:
step 401: the CP of the terminal device obtains data to be transmitted.
Step 402: and the CP of the terminal equipment carries out safety processing on the data to be transmitted.
Steps 401 to 402 are similar to steps 301 to 302, and reference may be specifically made to the description in the foregoing embodiments, which are not described herein again.
Step 403: a non-cellular mobile communications network link between the terminal device and the network device is established.
In this step, when the terminal device transmits data to the network device, the data is generally transmitted through a network link between the terminal device and the network device. If the link established between the terminal equipment and the network equipment is a non-cellular mobile communication network link, the terminal equipment sends data to be sent to the network equipment through the non-cellular mobile communication network link; if the link established between the terminal device and the network device is a cellular mobile communication network link, the terminal device will send data to be sent to the network device through the cellular mobile communication network link.
It should be noted that the terminal device may determine whether the terminal device resides in the cellular mobile communication network or the non-cellular mobile communication network according to a preset condition. The cellular mobile communication network may include a 3G, 4G, 5G NR or 6G network, among others.
For example, the terminal device may determine that the terminal device resides in the non-cellular mobile communication network by determining whether the signal strength of the non-cellular mobile communication network is greater than a preset threshold, and if not, determining that the terminal device resides in the cellular mobile communication network. The preset threshold may be set according to actual conditions or experience, and a specific value of the preset threshold is not limited herein.
In a possible implementation manner, when the terminal device determines to reside in the non-cellular mobile communication network, the terminal device may establish a non-cellular mobile communication network link between the terminal device and the network device by: the method comprises the steps that a terminal device receives an Internet Protocol (IP) address sent by a network device, the terminal device determines port information corresponding to a non-cellular mobile communication network link and determines a Protocol type of the non-cellular mobile communication network link, and the terminal device establishes the non-cellular mobile communication network link between the terminal device and the network device according to the IP address, the port information and the Protocol type. The Protocol type of the non-cellular mobile communication network link includes a Transmission Control Protocol (TCP) type or a User Datagram Protocol (UDP) type.
Specifically, the terminal device sends the request message to the network device, and the network device allocates resources related to the IMS service to the terminal device supporting the IMS service, including an IP address of the terminal device and an IP address of a network element related to the IMS network. The IP address of the terminal device is a destination address when the network device sends downlink data to the terminal device, and the IP address of the network element related to the IMS network is a destination address when the terminal device sends uplink data to the network device. It should be noted that the IP address sent by the network device received by the terminal device may include the IP address of the terminal device and the IP address of the network element related to the IMS network.
In addition, when the terminal device sends related data of services such as signaling, voice, or video, and establishes a link with the network device, it needs to determine port information (port) used by the terminal device, that is, port information corresponding to a non-cellular mobile communication network link. In practical applications, the port information may be notified to the terminal device by the network device, or may be determined by a negotiation between the network device and the terminal device when the link is established.
Through negotiation between the terminal device and the network device, the terminal device can determine a group of IP addresses, port information corresponding to the non-cellular mobile communication network link and a protocol type of the non-cellular mobile communication network link, and a group of IP addresses of the network device, port information corresponding to the non-cellular mobile communication network link and a protocol type of the non-cellular mobile communication network link. When the CP of the terminal device transmits data, the CP may transmit the data to be transmitted to the network device through the established non-cellular mobile communication network link.
For example, fig. 5 is a schematic diagram of establishment of a link of a non-cellular mobile communication network, as shown in fig. 5, if it is determined that an IP corresponding to an SIP signaling on a terminal device side is IPue, Port information is Port1, a protocol type is TCP or UDP, an IP corresponding to voice data is IPue, Port information is Port2, a protocol type is TCP or UDP, an IP corresponding to video data is IPue, Port information is Port3, a protocol type is TCP or UDP, an IP corresponding to supplementary service is ipues, Port information is Port4, a protocol type is TCP or UDP, an IP corresponding to an SIP signaling on a network device side is IPnw1, a Port information is Port1, a protocol type is TCP or UDP, an IP corresponding to voice data is IPnw2, Port information is t2, a protocol type is TCP or UDP, an IP corresponding to video data is IPnw2, a Port information type is Port3 6, a protocol type is Port information type is Port3, an IP corresponding to voice data is IP corresponding to UDP or UDP, a supplementary service is IP ssws 54, and a TCP or UDP is a Port 4. Wherein, IPue is the IP allocated to the terminal device by the network device, that is, the IP address of the terminal device corresponding to the IMS service, and IPnw is the IP address of the network element related to the IMS network.
According to a group of IP address, Port information and protocol type corresponding to the terminal device and a group of IP address, Port information and protocol type corresponding to the network device, a link, such as IPue, Port1 and TCP/UDP, can be determined, and IPnw1, Port1 and TCP/UDP form a link, which can be a non-cellular mobile communication network link or a cellular mobile communication network link.
It should be noted that the port information of the terminal device and the port information of the network device are determined independently from each other. In addition, different services of the IMS of the network device may be communication between different network elements and terminal devices, and therefore, IP addresses corresponding to different services may be the same or different. Different IMS services of the terminal device may use different IPs, for example, for Supplementary Service (Supplementary Service) configuration, an IP corresponding to the data Service may be used, and an IP different from the data Service and the IMS may be used.
It should be noted that, in the embodiment of the present invention, the execution sequence of the step 402 and the step 403 is not limited, the step 402 may be executed first, and then the step 403 is executed, the step 403 may be executed first, and then the step 402 is executed, or the step 402 and the step 403 may be executed at the same time.
Step 404: the CP of the terminal device transmits the processed data through the non-cellular mobile communication network link.
In this step, after the non-cellular mobile communication network link between the terminal device and the network device is established, the CP of the terminal device may transmit the processed data to the network device through the established non-cellular mobile communication network link.
In the data transmission method provided by the embodiment of the present invention, a CP of a terminal device obtains data to be transmitted, performs security processing on the data to be transmitted, receives an IP address transmitted by a network device, determines port information corresponding to a non-cellular mobile communication network link and a protocol type of the non-cellular mobile communication network link, then establishes the non-cellular mobile communication network link between the terminal device and the network device according to the IP address, the port information, and the protocol type, and transmits the processed data through the non-cellular mobile communication network link. The non-cellular mobile communication network link can be established first through the IP address, the port information and the protocol type, and the data to be sent is sent through the established non-cellular mobile communication network link, so that the data sending mode is simpler and more convenient.
Fig. 6 is a schematic structural diagram of a first embodiment of a terminal device provided in the present invention, where the terminal device includes a communication processor CP11 and an application processor AP 12, where:
the CP11 of the terminal device is configured to obtain data to be sent;
the CP11 of the terminal device performs security processing on the data to be transmitted;
the CP11 of the terminal device is further configured to send the processed data through the non-cellular mobile communication network.
In the terminal device provided by the embodiment of the present invention, the CP of the terminal device obtains the data to be transmitted, performs security processing on the data to be transmitted by the CP, and transmits the processed data through the non-cellular mobile communication network. After acquiring the data to be sent, the CP does not need to send the data to be sent to the AP, but directly sends the data to be sent to the network device through the non-cellular mobile communication network, so that the phenomenon that the AP needs to be awakened is avoided, and the power consumption of the AP is reduced.
Optionally, the data to be sent includes at least one of the following: session initiation protocol SIP signaling, voice data, video data, access stratum AS data, and non-access stratum NAS data.
Optionally, the CP11 of the terminal device is further configured to establish a non-cellular mobile communication network link between the terminal device and the network device;
the CP11 of the terminal device is further configured to send the processed data through the non-cellular mobile communication network link.
Optionally, the CP11 of the terminal device is specifically configured to:
receiving a network protocol IP address sent by network equipment;
determining port information corresponding to the non-cellular mobile communication network link;
determining a protocol type of the non-cellular mobile communication network link, wherein the protocol type comprises a Transmission Control Protocol (TCP) type or a User Datagram Protocol (UDP) type;
and establishing a non-cellular mobile communication network link between the terminal equipment and the network equipment according to the IP address, the port information and the protocol type.
Optionally, the data to be sent includes session initiation protocol SIP signaling;
the CP11 of the terminal device is specifically configured to:
receiving the session initiation protocol, SIP, signaling from an application processor, AP 12, of the terminal device; or,
the session initiation protocol, SIP, signaling is retrieved locally.
Optionally, the data to be sent includes voice data;
the CP11 of the terminal device is specifically configured to:
receiving the voice data from an application processor AP 12 of the terminal device; or,
the voice data is obtained locally.
Optionally, the data to be sent includes video data;
the CP11 of the terminal device is specifically configured to:
the video data is received from the application processor AP 12 of the terminal device.
Optionally, the non-cellular mobile communications network comprises a wireless fidelity Wi-Fi network.
Optionally, the CP11 of the terminal device is specifically configured to:
and encrypting the data to be sent and/or carrying out data integrity processing on the data to be sent.
The apparatus may be configured to execute the method provided by the corresponding method embodiment, and the specific implementation manner and the technical effect are similar and will not be described herein again.
Fig. 7 shows a schematic diagram of a possible structure of the terminal device of the present invention. The terminal device 110 includes: an application processor 1121, a communication processor 1122, a communication interface 113, and a memory 111. Optionally, terminal device 110 may also include a bus 114. Among them, the communication interface 113, the application processor 1121, the communication processor 1122, and the memory 111 may be connected to each other through a bus 114; the bus 114 may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The bus 114 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 7, but this is not intended to represent only one bus or type of bus.
The Application processor 1121 and the communication processor 1122 may be, for example, CPUs, general purpose processors, Digital Signal Processors (DSPs), Application-Specific integrated circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other programmable logic devices, transistor logic devices, hardware components, or any combinations thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The application processor 1121 and communication processor 1122 can also be combinations of implementing computing functions, including for example, one or more microprocessor combinations, combinations of DSPs and microprocessors, and the like.
In addition, a computer program is stored in the memory 111 and configured to be executed by the processor 112, the computer program comprising instructions for performing the method as described above for the embodiment shown in fig. 3 or fig. 4.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and the computer program enables a terminal device to execute the data transmission method provided in the embodiment shown in fig. 3 or fig. 4. The readable storage medium may be implemented by any type of volatile or non-volatile memory device or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (16)
1. A data transmission method is applied to a terminal device, wherein the terminal device comprises a communication processor CP and an application processor AP, and the method comprises the following steps:
the CP of the terminal equipment acquires data to be sent;
the CP of the terminal device performs security processing on the data to be sent, where the data to be sent is at least one of the following: non-access stratum NAS data, Session Initiation Protocol (SIP) signaling of an IP-based multimedia subsystem (IMS) and voice data of the IMS;
the CP of the terminal equipment directly sends the processed data through a non-cellular mobile communication network;
and the AP of the terminal equipment directly transmits the application data through the non-cellular mobile communication network.
2. The method of claim 1, wherein before the CP of the terminal device transmits the processed data through the non-cellular mobile communication network, the method further comprises:
establishing a non-cellular mobile communications network link between the terminal device and a network device;
the CP of the terminal equipment transmits the processed data through a non-cellular mobile communication network, and the method comprises the following steps:
and the CP of the terminal equipment transmits the processed data through the non-cellular mobile communication network link.
3. The method of claim 2, wherein establishing the non-cellular mobile communications network link between the terminal device and the network device comprises:
the terminal equipment receives a network protocol IP address sent by the network equipment;
the terminal equipment determines port information corresponding to the non-cellular mobile communication network link;
the terminal equipment determines the protocol type of the non-cellular mobile communication network link, wherein the protocol type comprises a Transmission Control Protocol (TCP) type or a User Datagram Protocol (UDP) type;
and the terminal equipment establishes a non-cellular mobile communication network link between the terminal equipment and the network equipment according to the IP address, the port information and the protocol type.
4. The method of claim 1, wherein the data to be sent comprises Session Initiation Protocol (SIP) signaling;
the method for acquiring data to be transmitted by the CP of the terminal equipment comprises the following steps:
the CP of the terminal equipment receives the Session Initiation Protocol (SIP) signaling from an Application Processor (AP) of the terminal equipment; or,
and the CP of the terminal equipment acquires the session initiation protocol SIP signaling from the local.
5. The method of claim 1, wherein the data to be transmitted comprises voice data;
the method for acquiring data to be transmitted by the CP of the terminal equipment comprises the following steps:
the CP of the terminal equipment receives the voice data from an Application Processor (AP) of the terminal equipment; or,
and the CP of the terminal equipment acquires the voice data from the local.
6. The method of claim 1, wherein the non-cellular mobile communications network comprises a wireless fidelity (Wi-Fi) network.
7. The method of claim 1, wherein the CP of the terminal device performs security processing on the data to be sent, and the security processing comprises:
and the CP of the terminal equipment encrypts the data to be sent, and/or performs data integrity processing on the data to be sent.
8. A terminal device comprising a communication processor CP and an application processor AP, comprising:
the CP of the terminal equipment is used for acquiring data to be sent;
the CP of the terminal device is further configured to perform security processing on the data to be sent, where the data to be sent is at least one of the following: non-access stratum NAS data, Session Initiation Protocol (SIP) signaling of an IP-based multimedia subsystem (IMS) and voice data of the IMS;
the CP of the terminal equipment is also used for directly sending the processed data through a non-cellular mobile communication network;
and the AP of the terminal equipment is used for directly sending the application data through the non-cellular mobile communication network.
9. The terminal device of claim 8,
the CP of the terminal equipment is also used for establishing a non-cellular mobile communication network link between the terminal equipment and the network equipment;
the CP of the terminal device is further configured to send the processed data through the non-cellular mobile communication network link.
10. The terminal device of claim 9, wherein the CP of the terminal device is specifically configured to:
receiving a network protocol IP address sent by network equipment;
determining port information corresponding to the non-cellular mobile communication network link;
determining a protocol type of the non-cellular mobile communication network link, wherein the protocol type comprises a Transmission Control Protocol (TCP) type or a User Datagram Protocol (UDP) type;
and establishing a non-cellular mobile communication network link between the terminal equipment and the network equipment according to the IP address, the port information and the protocol type.
11. The terminal device of claim 8, wherein the data to be sent comprises Session Initiation Protocol (SIP) signaling;
the CP of the terminal device is specifically configured to:
receiving the session initiation protocol, SIP, signaling from an application processor, AP, of the terminal device; or,
the session initiation protocol, SIP, signaling is retrieved locally.
12. The terminal device of claim 8, wherein the data to be transmitted comprises voice data;
the CP of the terminal device is specifically configured to:
receiving the voice data from an Application Processor (AP) of the terminal equipment; or,
the voice data is obtained locally.
13. The terminal device of claim 8, wherein the non-cellular mobile communications network comprises a wireless fidelity (Wi-Fi) network.
14. The terminal device of claim 8, wherein the CP of the terminal device is specifically configured to:
and encrypting the data to be sent and/or carrying out data integrity processing on the data to be sent.
15. A terminal device, comprising:
an application processor AP and a communication processor CP;
a memory; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor, the computer program comprising instructions for performing the method of any of claims 1-7.
16. A computer-readable storage medium, characterized in that it stores a computer program that causes a terminal device to execute the method of any one of claims 1-7.
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