CN108513324B - Data transmission method and device - Google Patents

Data transmission method and device Download PDF

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Publication number
CN108513324B
CN108513324B CN201810744902.4A CN201810744902A CN108513324B CN 108513324 B CN108513324 B CN 108513324B CN 201810744902 A CN201810744902 A CN 201810744902A CN 108513324 B CN108513324 B CN 108513324B
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data
base station
wifi
network
target network
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CN108513324A (en
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刘明
袁乃华
陈贵荣
谢生鹤
周维
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Chengdu TD Tech Ltd
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Chengdu TD Tech Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides a data transmission method and device. The data transmission method comprises the following steps: a base station receives wireless fidelity WIFI signal quality parameters reported by wireless terminal access equipment CPE; the base station determines a target network for data transmission according to the WIFI signal quality parameters; the base station sends a notification message to the wireless CPE, the notification message indicating the target network. The embodiment of the invention realizes that the wireless CPE can determine to adopt an LTE network or a WIFI network to carry out service return according to the current network condition.

Description

Data transmission method and device
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a data transmission method and device.
Background
In the prior art, a wireless terminal access device (CPE) receiving a WIFI signal is used as a wireless gateway device, and may be connected to multiple devices such as a camera, a tablet computer, a smart phone, and a notebook computer in a hanging manner, so that the devices can access the internet or a private data network through a fourth Generation mobile communication technology (4G) wireless transmission network.
However, under the condition of large traffic flow of the terminal or less allocation of Long Term Evolution (LTE) spectrum bandwidth, the single LTE Wireless backhaul link cannot meet the actual application requirement, wherein one solution is to use a common Wireless Fidelity (WIFI) spectrum resource to supplement the LTE with the WIFI. At this time, for the wireless CPE, besides the LTE backhaul, a WIFI backhaul needs to be implemented.
Therefore, how to determine which network to use for service backhaul according to the current network situation is a technical problem that needs to be solved at present.
Disclosure of Invention
The embodiment of the invention provides a data transmission method and a data transmission device, so that a wireless CPE can determine to adopt an LTE network or a WIFI network for service return according to the current network condition.
In a first aspect, an embodiment of the present invention provides a data transmission method, which is applied to a base station, and the method includes:
receiving wireless fidelity WIFI signal quality parameters reported by a wireless terminal access device CPE;
determining a target network for data transmission according to the WIFI signal quality parameter;
sending a notification message to the wireless CPE, the notification message indicating the target network.
Optionally, the WIFI signal quality parameter includes a signal strength indication RSSI received by WIFI;
the determining a target network for data transmission according to the WIFI signal quality parameter includes:
judging whether the WIFI RSSI is larger than a preset value or not;
and if the WIFI RSSI is larger than the preset value, determining that the WIFI network is the target network.
Optionally, the method further comprises:
and if the WIFI RSSI is not greater than the preset value, determining that the LTE network is the target network.
Optionally, after sending the notification message to the wireless CPE, the method further includes:
transmitting first data to the wireless CPE through the target network;
alternatively, the first and second electrodes may be,
and receiving second data sent by the wireless CPE through the target network.
Optionally, the target network is the WIFI network;
the sending first data to the CPE over the target network includes:
encrypting the first data to obtain encrypted first data;
and sending the encrypted first data to the wireless CPE through the WIFI network.
Optionally, the target network is the WIFI network;
the receiving, by the target network, second data sent by the wireless CPE includes:
receiving the second data sent by the wireless CPE through the WIFI network;
after receiving the second data sent by the wireless CPE through the target network, the method further includes:
receiving a key sent by the wireless CPE through an LTE network;
and decrypting the second data according to the key to obtain the decrypted second data.
In a second aspect, an embodiment of the present invention provides a data transmission method, which is applied to a wireless terminal access device CPE, and the method includes:
measuring wireless fidelity (WIFI) signal quality parameters;
reporting the WIFI signal quality parameters to a base station, wherein the WIFI signal quality parameters are used for indicating the base station to determine a target network for data transmission;
and receiving a notification message sent by the base station, wherein the notification message is used for indicating the target network.
Optionally, after receiving the notification message sent by the base station, the method further includes:
receiving first data sent by the base station through the target network;
alternatively, the first and second electrodes may be,
and sending second data to the base station through the target network.
Optionally, the target network is the WIFI network;
the receiving, by the target network, first data sent by the base station includes:
receiving first data sent by the base station through the WIFI network;
after receiving the first data transmitted by the base station through the target network, the method further includes:
receiving a key sent by the base station through the LTE network;
and decrypting the first data according to the key to obtain the decrypted first data.
Optionally, the target network is the WIFI network;
the sending, by the target network, second data to the base station includes:
encrypting the second data to obtain encrypted second data;
and sending the encrypted second data to the base station through the WIFI network.
In a third aspect, an embodiment of the present invention provides a base station, including:
the receiving module is used for receiving wireless fidelity WIFI signal quality parameters reported by the wireless terminal access equipment CPE;
the determining module is used for determining a target network for data transmission according to the WIFI signal quality parameters;
a sending module, configured to send a notification message to the wireless CPE, where the notification message is used to indicate the target network.
Optionally, the WIFI signal quality parameter includes a signal strength indication RSSI received by WIFI;
the determining module is specifically configured to determine whether the WIFI RSSI is greater than a preset value; and when the WIFI RSSI is larger than the preset value, determining that the WIFI network is the target network.
Optionally, the determining module is further configured to determine that the LTE network is the target network when the WIFI RSSI is not greater than the preset value.
Optionally, the sending module is further configured to send first data to the wireless CPE through the target network after sending the notification message to the wireless CPE; alternatively, the first and second electrodes may be,
the receiving module is further configured to receive, through the target network, second data sent by the wireless CPE after the sending module sends the notification message to the wireless CPE.
Optionally, the target network is the WIFI network; the base station further comprises:
the encryption module is used for encrypting the first data to obtain encrypted first data;
the sending module is configured to send the encrypted first data to the wireless CPE through the WIFI network.
Optionally, the target network is the WIFI network; the base station further comprises:
the receiving module is configured to receive the second data sent by the wireless CPE through the WIFI network;
the receiving module is further configured to receive a key sent by the wireless CPE through an LTE network after receiving second data sent by the wireless CPE through the target network;
and the decryption module is used for decrypting the second data according to the secret key to obtain the decrypted second data.
In a fourth aspect, an embodiment of the present invention provides a wireless terminal access device CPE, including:
the measurement module is used for measuring wireless fidelity (WIFI) signal quality parameters;
the transmitting module is used for reporting the WIFI signal quality parameters to a base station, and the WIFI signal quality parameters are used for indicating the base station to determine a target network for data transmission;
a receiving module, configured to receive a notification message sent by the base station, where the notification message is used to indicate the target network.
Optionally, the receiving module is further configured to receive, through the target network, first data sent by the base station after receiving the notification message sent by the base station; alternatively, the first and second electrodes may be,
the sending module is configured to send second data to the base station through the target network after the receiving module receives the notification message sent by the base station.
Optionally, the target network is the WIFI network; the wireless CPE further comprises:
the receiving module is used for receiving first data sent by the base station through the WIFI network;
the receiving module is further configured to receive a key sent by the base station through the LTE network after receiving first data sent by the base station through the target network;
and the decryption module is used for decrypting the first data according to the secret key to obtain the decrypted first data.
Optionally, the target network is the WIFI network; the wireless CPE further comprises:
the encryption module is used for encrypting the second data to obtain encrypted second data;
and the sending module is used for sending the encrypted second data to the base station through the WIFI network.
In a fifth aspect, an embodiment of the present invention provides 1a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the data transmission method according to the first aspect or the second aspect.
In a sixth aspect, an embodiment of the present invention provides an electronic device, including:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the data transmission method of the first aspect or the second aspect via execution of the executable instructions.
According to the data transmission method and device provided by the embodiment of the invention, the wireless CPE firstly obtains the WIFI signal quality parameters by measuring the signal quality of the WIFI network, and then sends the WIFI signal quality parameters to the base station. And the base station determines a target network for data transmission through the WIFI signal quality parameters, and then sends a notification message of the target network for indication to the wireless CPE. The wireless CPE may determine to transmit data using the target network. In the invention, the base station can determine to select the LTE network or the WIFI network for data transmission according to the WIFI signal quality parameter measured by the wireless CPE, and then the WIFI network can be adopted for data transmission, so that the problem of limited frequency spectrum of the LTE network is solved, and the LTE network can be continuously adopted for data transmission to prevent the signal quality of the WIFI network from becoming poor, thereby realizing that the wireless CPE can determine to adopt the LTE network or the WIFI network for service backhaul according to the current network condition.
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. 1a is a schematic structural diagram of a data transmission system provided in the present invention;
FIG. 1b is a schematic diagram of a wireless CPE according to the present invention;
FIG. 1c is a schematic diagram of a wireless CPE according to the present invention;
fig. 2 is a signaling flow chart of a data transmission method provided by the present invention;
FIG. 3 is a flow chart of a data transmission method provided by the present invention;
fig. 4 is a signaling flow chart of a data transmission method provided by the present invention;
fig. 5 is a signaling flow chart of a data transmission method provided by the present invention;
fig. 6 is a signaling flow chart of a data transmission method provided by the present invention;
fig. 7 is a schematic structural diagram of a base station provided in the present invention;
fig. 8 is a schematic structural diagram of a base station provided in the present invention;
fig. 9 is a schematic structural diagram of a wireless CPE according to the present invention;
fig. 10 is a schematic structural diagram of a wireless CPE according to the present invention;
fig. 11 is a schematic diagram of a hardware structure of the electronic device provided in 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.
Fig. 1a is a schematic structural diagram of a data transmission system provided by the present invention, fig. 1b is a schematic structural diagram of a wireless CPE provided by the present invention, and fig. 1c is a schematic scene diagram of a wireless CPE provided by the present invention. As shown in fig. 1a, the data transmission method of the present embodiment is applied to a data transmission system 10, and the data transmission system 10 includes: a base station 11 and a wireless CPE12, wherein the base station 11 can implement service data backhaul with at least one terminal device 13 (illustrated as one in fig. 1 a) through the wireless CPE12 using an LTE network or a WIFI network. In the network, a WIFI Wireless Access Point (AP) device and an LWIP Gateway (Gateway, GW) device are deployed. The wireless CPE12 can be accessed to the WIFI network through the WIFI AP equipment, an IPSEC VPN tunnel is established between the wireless CPE12 and the LWIP GW equipment, the tunnel can encrypt transmitted data, and the safe transmission of the data in the WIFI network is ensured. The base station 11 may receive the WIFI packet through the LWIP GW device. The wireless CPE12 may also send the IPSEC VPN key to the base station 11 over an LTE air interface channel, which ensures the security of the key.
In this embodiment, the specific forms of the base station 11 and the wireless CPE12 are not limited. For example, the base station 11 may be an LTE base station. As shown in fig. 1b and 1c, the wireless CPE12 in this embodiment includes: the LTE network access system comprises an LTE modem module 121 for accessing an LTE network, an AP module 122, a WIFI module 123, and an ethernet switching module 124, wherein the LTE modem module 121 is used for accessing the LTE network. The AP module 122 is a service control module of the wireless CPE, and can implement routing forwarding of service data, and for a service packet of the terminal device, the AP module 122 is finally responsible for selecting an LTE channel or a WIFI channel for returning. The WIFI module 123 is used for realizing double channels inside, and one channel works in an AP mode and is responsible for WIFI access of the terminal equipment; one channel works in an STA (station) mode and is responsible for accessing the WIFI backhaul network. The ethernet switching module 124 is used to connect at least one terminal device 13 (illustrated as one in fig. 1 b).
Next, a detailed description is given of a specific implementation process of the data transmission method based on fig. 1a, fig. 1b, and fig. 1 c.
Fig. 2 is a signaling flowchart of a data transmission method provided in the present invention, and as shown in fig. 2, the data transmission method of this embodiment may include:
s201, the wireless CPE measures wireless fidelity (WIFI) signal quality parameters.
S202, the wireless CPE reports WIFI signal quality parameters to the base station, and the WIFI signal quality parameters are used for indicating the base station to determine a target network for data transmission.
And S203, the base station determines a target network for data transmission according to the WIFI signal quality parameters.
S204, the base station sends a notification message to the wireless CPE, and the notification message is used for indicating the target network.
Specifically, the wireless CPE has an LTE network and a WIFI network for data transmission, and in order to ensure quality and rate of data transmission, the wireless CPE may periodically or in real time measure quality of an air interface signal of the WIFI network to obtain a WIFI signal quality parameter, and then send the WIFI signal quality parameter to the base station. The WIFI signal quality parameter may be a specific numerical value, or may also be in the form of a code or an identifier, and the implementation does not limit this.
Further, the WIFI signal quality parameter may be used to instruct the base station to determine a target network for entering and exiting data transmission, so that the base station may determine the target network for data transmission according to the WIFI signal quality parameter, and then send a notification message indicating the target network to the wireless CPE, so that the wireless CPE may determine to use the target network for data transmission. The target network may be an LTE network or a WIFI network, which is not limited in this embodiment.
Further, the wireless CPE may switch from the LTE network to the WIFI network, may also switch from the WIFI network to the LTE network, and may also maintain the LTE network or the LTE network. The target network determined by the wireless CPE according to the WIFI quality parameters, so that the target network adopted by the wireless CPE can ensure the quality and the speed of data transmission. Therefore, the terminal equipment sends the service data to the wireless CPE, the wireless CPE can send the service data to the base station by adopting the target network, meanwhile, the base station can also send the service data to the wireless CPE by adopting the target network, and the wireless CPE transmits the service data to the terminal equipment, thereby realizing the service return based on the target network.
According to the data transmission method provided by the embodiment, the wireless CPE obtains the WIFI signal quality parameters according to the signal quality measurement of the WIFI network, and then sends the WIFI signal quality parameters to the base station. And the base station determines a target network for data transmission through the WIFI signal quality parameters, and then sends a notification message of the target network for indication to the wireless CPE. The wireless CPE may determine to transmit data using the target network. In this embodiment, the base station may determine to select the LTE network or the WIFI network for data transmission according to the WIFI signal quality parameter measured by the wireless CPE, and then may use the WIFI network for data transmission, thereby solving the problem of limited spectrum of the LTE network, and may also continue to use the LTE network for data transmission, so as to prevent the signal quality of the WIFI network from becoming poor, thereby implementing that the wireless CPE may determine to use the LTE network or the WIFI network for service backhaul according to the current network condition.
On the basis of the foregoing embodiment, when the WIFI signal quality parameter includes a signal strength indication RSSI received by WIFI, a specific implementation process of determining, by the base station in S203 in the embodiment of fig. 2, a target network for data transmission according to the WIFI signal quality parameter is described in detail with reference to fig. 3.
Fig. 3 is a flowchart of a data transmission method provided by the present invention, and as shown in fig. 3, the data transmission method of this embodiment may include:
s301, the base station judges whether the WIFI RSSI is larger than a preset value. If yes, executing S302; if not, go to S303.
S302, the base station determines the WIFI network as a target network.
S303, the base station determines the LTE network as a target network.
Specifically, since the WIFI RSSI may indicate the signal quality of the WIFI network, the base station may compare the WIFI RSSI with a preset value. When the WIFI RSSI is greater than the preset value, the base station may determine that the WIFI network is the target network. And when the WIFI RSSI is less than or equal to a preset value, the base station determines the LTE network as a target network. The preset value can be set according to the value of the WIFI RSSI when data is normally transmitted in the WIFI network, and the present embodiment does not limit this.
In the data transmission method provided by this embodiment, the wireless CPE reports the received signal strength indication RSSI to the base station, and the base station sends a notification message to the wireless CPE when determining that the received WIFI RSSI is greater than the preset value, where the notification message is used to indicate that the network adopted by the wireless CPE is the WIFI network. And when the base station determines that the received WIFI RSSI is not less than the preset value, the base station sends a notification message to the wireless CPE, wherein the notification message is used for indicating the wireless CPE to determine that the adopted network is switched to the LTE network. In this embodiment, the base station may determine to select the LTE network or the WIFI network for data transmission according to the WIFI signal quality parameter measured by the wireless CPE, and then may use the WIFI network for data transmission, thereby solving the problem of limited spectrum of the LTE network, and may also continue to use the LTE network for data transmission, so as to prevent the signal quality of the WIFI network from becoming poor, thereby achieving that the wireless CPE may determine the signal quality of the WIFI network according to the WIFI RSSI, and determine to use the LTE network or the WIFI network for service backhaul.
Fig. 4 is a signaling flowchart of a data transmission method provided in the present invention, and as shown in fig. 4, the data transmission method of this embodiment may include:
s401, the wireless CPE measures wireless fidelity (WIFI) signal quality parameters.
S402, the wireless CPE reports WIFI signal quality parameters to the base station, and the WIFI signal quality parameters are used for indicating the base station to determine a target network for data transmission.
And S403, the base station determines a target network for data transmission according to the WIFI signal quality parameters.
S404, the base station sends a notification message to the wireless CPE, wherein the notification message is used for indicating the target network.
S401, S402, S403, and S404 are similar to the implementation manners of S201, S202, S203, and S204 in the embodiment of fig. 2, and are not described herein again.
S4051, the base station sends the first data to the wireless CPE through the target network.
S4052, the wireless CPE sends the second data to the base station through the target network.
Specifically, after the base station determines the target network and notifies the wireless CPE of the target network, the end device may perform data transmission between the wireless CPE and the base station. In one aspect, a base station may transmit first data to a wireless CPE over a target network, and a terminal device may receive the base station transmitted first data over the wireless CPE. On the other hand, the terminal device may also transmit the second data to the wireless CPE, and the wireless CPE may transmit the second data to the base station through the target network.
Further, the base station sends the first data to the wireless CPE through the target network, the wireless CPE forwards the first data to the terminal, and the wireless CPE sends the second data to the base station through the target network when receiving the second data sent by the terminal device, thereby completing data backhaul of the target network.
On one hand, when the target network is a WIFI network, since the WIFI network has more or less potential safety hazards, in order to ensure the safety and reliability of data transmission, a specific implementation process of sending the first data to the wireless CPE through the target network by the base station in the embodiment S4051 in fig. 4 is described in detail with reference to fig. 5.
Fig. 5 is a signaling flowchart of a data transmission method provided in the present invention, and as shown in fig. 5, the data transmission method of this embodiment may include:
s501, the wireless CPE measures wireless fidelity (WIFI) signal quality parameters.
S502, the wireless CPE reports WIFI signal quality parameters to the base station, and the WIFI signal quality parameters are used for indicating the base station to determine a target network for data transmission.
And S503, the base station determines a target network for data transmission according to the WIFI signal quality parameters.
S504, the base station sends a notification message to the wireless CPE, and the notification message is used for indicating the target network.
S501, S502, S503, and S504 are similar to the implementation manners of S201, S202, S203, and S204 in the embodiment of fig. 2, respectively, and are not described herein again.
S5051, the base station encrypts the first data to obtain encrypted first data.
S5052, the base station sends the encrypted first data to the CPE through the WIFI network.
S5053, the base station sends the key to the wireless CPE through the LTE network.
S5054, the wireless CPE decrypts the first data according to the key to obtain the decrypted first data.
Specifically, after the base station determines the target network and notifies the wireless CPE of the target network, the end device may perform data transmission between the wireless CPE and the base station. Before the base station sends the first data to the wireless CPE, the base station may encrypt the first data to obtain the encrypted first data, and then send the encrypted first data to the wireless CPE through the WIFI AP and the LWIP GW in the WIFI network. Due to the higher security performance of the LTE network, the base station may send the key used for encrypting the first data to the wireless CPE, so that the wireless CPE receiving the encrypted first data may decrypt the encrypted first data according to the key to obtain the decrypted first data, and the wireless CPE may send the decrypted first data to the terminal device.
On the other hand, when the target network is a WIFI network, since the WIFI network has more or less potential safety hazards, in order to ensure the safety and reliability of data transmission, a specific implementation process of sending the second data to the base station by the wireless CPE in the embodiment S4052 of fig. 4 through the target network is described in detail with reference to fig. 6.
Fig. 6 is a signaling flowchart of a data transmission method provided in the present invention, and as shown in fig. 6, the data transmission method of this embodiment may include:
s601, the wireless CPE measures wireless fidelity (WIFI) signal quality parameters.
And S602, the wireless CPE reports WIFI signal quality parameters to the base station, and the WIFI signal quality parameters are used for indicating the base station to determine a target network for data transmission.
And S603, the base station determines a target network for data transmission according to the WIFI signal quality parameters.
S604, the base station sends a notification message to the wireless CPE, wherein the notification message is used for indicating the target network.
S601, S602, S603, and S604 are similar to the implementation manners of S201, S202, S203, and S204 in the embodiment of fig. 2, respectively, and are not described herein again.
S6051, the wireless CPE encrypts the second data to obtain the encrypted second data.
And S6052, the wireless CPE sends the encrypted second data to the base station through the WIFI network.
S6053, the wireless CPE sends the key to the base station through the LTE network.
And S6054, the base station decrypts the second data according to the key to obtain the decrypted second data.
Specifically, after the base station determines the target network and notifies the wireless CPE of the target network, the end device may perform data transmission between the wireless CPE and the base station. After the terminal device sends the second data to the wireless CPE, the wireless CPE may encrypt the second data to obtain the encrypted second data, and then send the encrypted second data to the base station through the WIFI AP and the LWIP GW in the WIFI network. Due to the higher security performance of the LTE network, the wireless CPE may send the key used for encrypting the second data to the base station, so that the base station receiving the encrypted second data may decrypt the encrypted second data according to the key to obtain the decrypted second data.
Further, with reference to fig. 5 and fig. 6, when the target network is a WIFI network, and the wireless CPE receives data sent by the terminal device, the wireless CPE sends the data to the base station through the WIFI AP and the LWIP GW, receives the data sent by the base station through the WIFI AP and the LWIP GW, and forwards the data to the terminal through the wireless CPE, thereby completing data backhaul of the WIFI network.
Fig. 7 is a schematic structural diagram of a base station provided in the present invention, and as shown in fig. 7, the base station 70 of this embodiment may include:
the receiving module 71 is configured to receive WIFI signal quality parameters reported by the wireless terminal access device CPE;
a determining module 72, configured to determine, according to the WIFI signal quality parameter, a target network for data transmission;
a sending module 73, configured to send a notification message to the wireless CPE, where the notification message is used to indicate the target network.
Optionally, the WIFI signal quality parameter includes a signal strength indication RSSI received by WIFI;
the determining module 72 is specifically configured to determine whether the WIFI RSSI is greater than a preset value; and when the WIFI RSSI is larger than the preset value, determining that the WIFI network is the target network.
Optionally, the determining module 72 is further configured to determine that the LTE network is the target network when the WIFI RSSI is not greater than the preset value.
Optionally, the sending module 73 is further configured to send first data to the wireless CPE through the target network after sending the notification message to the wireless CPE; alternatively, the first and second electrodes may be,
the receiving module 71 is further configured to receive, through the target network, second data sent by the wireless CPE after the sending module 73 sends the notification message to the wireless CPE.
The base station of this embodiment may be configured to execute the technical solutions of the method embodiments shown in fig. 2 to fig. 5, and the implementation principles and technical effects are similar, which are not described herein again.
Fig. 8 is a schematic structural diagram of a base station according to the present invention, and as shown in fig. 8, the base station 70 of this embodiment is based on the device structure shown in fig. 7, and the target network is the WIFI network; the base station 70 further comprises:
the encryption module 74 is configured to encrypt the first data to obtain encrypted first data;
the sending module 73 is configured to send the encrypted first data to the wireless CPE through the WIFI network.
Continuing with fig. 10, optionally, the target network is the WIFI network; the base station 70 further comprises:
the receiving module 71 is configured to receive the second data sent by the wireless CPE through the WIFI network;
the receiving module 71 is further configured to receive a key sent by the wireless CPE through an LTE network after receiving the second data sent by the wireless CPE through the target network;
and a decryption module 75, configured to decrypt the second data according to the key to obtain decrypted second data.
The base station of this embodiment may be configured to execute the technical solutions of the method embodiments shown in fig. 4 to fig. 6, and the implementation principles and technical effects are similar, which are not described herein again.
In the present invention, the base station may be divided into functional modules according to the above method, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that the division of the modules in the embodiments of the present invention is schematic, and is only a logical function division, and there may be another division manner in actual implementation.
Fig. 9 is a schematic structural diagram of a wireless CPE provided in the present invention, and as shown in fig. 9, the wireless CPE90 of this embodiment may include:
the measurement module 91 is used for measuring the quality parameters of the wireless fidelity (WIFI) signals;
a sending module 92, configured to report the WIFI signal quality parameter to a base station, where the WIFI signal quality parameter is used to instruct the base station to determine a target network for data transmission;
a receiving module 93, configured to receive a notification message sent by the base station, where the notification message is used to indicate the target network.
Optionally, the receiving module 93 is further configured to receive, through the target network, first data sent by the base station after receiving the notification message sent by the base station; alternatively, the first and second electrodes may be,
the sending module 92 is configured to send second data to the base station through the target network after the receiving module 93 receives the notification message sent by the base station.
The wireless CPE of this embodiment may be configured to execute the technical solutions of the method embodiments shown in fig. 2 to fig. 4, and the implementation principles and technical effects are similar, and are not described herein again.
Fig. 10 is a schematic structural diagram of a wireless CPE according to the present invention, and as shown in fig. 8, the target network of the wireless CPE90 of this embodiment is the WIFI network based on the device structure shown in fig. 9; the wireless CPE90 further comprises:
the receiving module 93 is configured to receive first data sent by the base station through the WIFI network;
the receiving module 93 is further configured to receive a key sent by the base station through the LTE network after receiving the first data sent by the base station through the target network;
and a decryption module 94, configured to decrypt the first data according to the key, so as to obtain decrypted first data.
Continuing with fig. 10, optionally, the target network is the WIFI network; the wireless CPE90 further comprises:
the encryption module 95 is configured to encrypt the second data to obtain encrypted second data;
the sending module 92 is configured to send the encrypted second data to the base station through the WIFI network.
The wireless CPE of this embodiment may be configured to execute the technical solutions of the method embodiments shown in fig. 5 to fig. 6, and the implementation principles and technical effects are similar, and are not described herein again.
In the present invention, the wireless CPE may be divided into functional modules according to the above method examples, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that the division of the modules in the embodiments of the present invention is schematic, and is only a logical function division, and there may be another division manner in actual implementation.
Fig. 11 is a schematic diagram of a hardware structure of the electronic device provided in the present invention. As shown in fig. 11, the electronic device 110 includes: a memory 111 and a processor 112;
a memory 111 for storing a computer program;
and a processor 112 for executing the computer program stored in the memory to implement the data transmission method in the above embodiments. Reference may be made in particular to the description relating to the method embodiments described above.
Alternatively, the memory 111 may be separate or integrated with the processor 112.
When the memory 111 is a device independent of the processor 112, the electronic device 110 may further include:
a bus 113 for connecting the memory 111 and the processor 112.
The electronic device provided in this embodiment may be used to execute the data transmission method, and the implementation manner and the technical effect thereof are similar, and this embodiment is not described herein again.
The present invention also provides a computer-readable storage medium including a computer program for implementing the data transmission method in the above embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of modules may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one unit. The unit formed by the modules can be realized in a hardware form, and can also be realized in a form of hardware and a software functional unit.
The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present application.
It should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise a high-speed RAM memory, and may further comprise a non-volatile storage NVM, such as at least one disk memory, and may also be a usb disk, a removable hard disk, a read-only memory, a magnetic or optical disk, etc.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present application are not limited to only one bus or one type of bus.
The computer-readable storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, 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 disks. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
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.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
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 (18)

1. A data transmission method, applied to a base station, the method comprising:
receiving wireless fidelity WIFI signal quality parameters reported by a wireless terminal access device CPE;
determining a target network for data transmission according to the WIFI signal quality parameter;
sending a notification message to the wireless CPE, the notification message indicating the target network;
after the sending the notification message to the wireless CPE, the method further comprises:
transmitting first data to the wireless CPE through the target network;
when the target network is the WIFI network; correspondingly, the sending the first data to the CPE through the target network includes:
encrypting the first data to obtain encrypted first data;
sending the encrypted first data to the wireless CPE through the WIFI network;
after the sending the first data to the CPE over the target network, the method further includes:
and sending a key to the wireless CPE through an LTE network so that the wireless CPE decrypts the first data according to the key to obtain the decrypted first data.
2. The method of claim 1, wherein the WIFI signal quality parameters include a WIFI Received Signal Strength Indication (RSSI);
the determining a target network for data transmission according to the WIFI signal quality parameter includes:
judging whether the WIFIRSSI is larger than a preset value or not;
and if the WIFI RSSI is larger than the preset value, determining that the WIFI network is the target network.
3. The method of claim 2, further comprising:
and if the WIFI RSSI is not greater than the preset value, determining that the LTE network is the target network.
4. The method of claim 2 or 3, wherein after sending the notification message to the wireless CPE, the method further comprises:
and receiving second data sent by the wireless CPE through the target network.
5. The method of claim 1, wherein the target network is the WIFI network;
the receiving, by the target network, second data sent by the wireless CPE includes:
receiving the second data sent by the wireless CPE through the WIFI network;
after receiving the second data sent by the wireless CPE through the target network, the method further includes:
receiving a key sent by the wireless CPE through an LTE network;
and decrypting the second data according to the key to obtain the decrypted second data.
6. A data transmission method, applied to a wireless terminal access device CPE, the method comprising:
measuring wireless fidelity (WIFI) signal quality parameters;
reporting the WIFI signal quality parameters to a base station, wherein the WIFI signal quality parameters are used for indicating the base station to determine a target network for data transmission;
receiving a notification message sent by the base station, wherein the notification message is used for indicating the target network;
after receiving the notification message sent by the base station, the method further includes:
receiving first data sent by the base station through the target network;
when the target network is the WIFI network, correspondingly, the receiving, by the target network, the first data sent by the base station includes:
receiving first data sent by the base station through the WIFI network;
after receiving the first data transmitted by the base station through the target network, the method further includes:
receiving a key sent by the base station through an LTE network;
and decrypting the first data according to the key to obtain the decrypted first data.
7. The method of claim 6, wherein after receiving the notification message sent by the base station, the method further comprises:
and sending second data to the base station through the target network.
8. The method of claim 6, wherein the target network is the WIFI network;
the sending, by the target network, second data to the base station includes:
encrypting the second data to obtain encrypted second data;
and sending the encrypted second data to the base station through the WIFI network.
9. A base station, comprising:
the receiving module is used for receiving wireless fidelity WIFI signal quality parameters reported by the wireless terminal access equipment CPE;
the determining module is used for determining a target network for data transmission according to the WIFI signal quality parameters;
a sending module, configured to send a notification message to the wireless CPE, where the notification message is used to indicate the target network;
the sending module is further configured to send first data to the wireless CPE through the target network after sending a notification message to the wireless CPE;
when the target network is the WIFI network; the base station further comprises:
the encryption module is used for encrypting the first data to obtain encrypted first data;
the sending module is configured to send the encrypted first data to the wireless CPE through the WIFI network;
the sending module is further configured to send a key to the wireless CPE through an LTE network, so that the wireless CPE decrypts the first data according to the key to obtain decrypted first data.
10. The base station of claim 9, wherein the WIFI signal quality parameter comprises a WIFI Received Signal Strength Indication (RSSI);
the determining module is specifically configured to determine whether the WIFI RSSI is greater than a preset value; and when the WIFIRSSI is larger than the preset value, determining that the WIFI network is the target network.
11. The base station of claim 10, wherein the determining module is further configured to determine that an LTE network is the target network when the WIFI RSSI is not greater than the preset value.
12. The base station according to claim 10 or 11,
the receiving module is further configured to receive, through the target network, second data sent by the wireless CPE after the sending module sends the notification message to the wireless CPE.
13. The base station of claim 9, wherein the target network is the WIFI network; the base station further comprises:
the receiving module is used for receiving second data sent by the wireless CPE through the WIFI network;
the receiving module is further configured to receive a key sent by the wireless CPE through an LTE network after receiving second data sent by the wireless CPE through the target network;
and the decryption module is used for decrypting the second data according to the secret key to obtain the decrypted second data.
14. A wireless terminal access device, CPE, comprising:
the measurement module is used for measuring wireless fidelity (WIFI) signal quality parameters;
the transmitting module is used for reporting the WIFI signal quality parameters to a base station, and the WIFI signal quality parameters are used for indicating the base station to determine a target network for data transmission;
a receiving module, configured to receive a notification message sent by the base station, where the notification message is used to indicate the target network;
the receiving module is further configured to receive, through the target network, first data sent by the base station after receiving the notification message sent by the base station;
when the target network is the WIFI network; the wireless CPE further comprises:
the receiving module is used for receiving first data sent by the base station through the WIFI network;
the receiving module is further configured to receive a key sent by the base station through an LTE network after receiving first data sent by the base station through the target network;
and the decryption module is used for decrypting the first data according to the secret key to obtain the decrypted first data.
15. The wireless CPE according to claim 14,
the sending module is configured to send second data to the base station through the target network after the receiving module receives the notification message sent by the base station.
16. The wireless CPE of claim 15, wherein the target network is the WIFI network; the wireless CPE further comprises:
the encryption module is used for encrypting the second data to obtain encrypted second data;
and the sending module is used for sending the encrypted second data to the base station through the WIFI network.
17. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the data transmission method according to any one of claims 1 to 5; alternatively, the computer program, when executed by a processor, implements the data transmission method of any of claims 6-8.
18. An electronic device, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the data transmission method of any one of claims 1-5 via execution of the executable instructions; alternatively, the processor is configured to perform the data transmission method of any one of claims 6-8 via execution of the executable instructions.
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