CN114827235B - Method for realizing network sharing based on UWB - Google Patents

Method for realizing network sharing based on UWB Download PDF

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Publication number
CN114827235B
CN114827235B CN202210738470.2A CN202210738470A CN114827235B CN 114827235 B CN114827235 B CN 114827235B CN 202210738470 A CN202210738470 A CN 202210738470A CN 114827235 B CN114827235 B CN 114827235B
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network
packet
uwb
layer
http request
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CN114827235A (en
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徐政
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Rivotek Technology Jiangsu Co Ltd
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Rivotek Technology Jiangsu Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/14Session management
    • H04L67/141Setup of application sessions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22Parsing or analysis of headers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-mode setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2212/00Encapsulation of packets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W80/00Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02Data link layer protocols
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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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 invention provides a method for realizing network sharing based on UWB, belonging to the technical field of communication, and the method for realizing network sharing based on UWB comprises the following steps: step S1, the device A and the device B establish communication connection based on a UWB module network sharing protocol; step S2, the device A opens the shared network switch and informs the device B; step S3, the device B accesses the Internet through the device A network bridge, the device B sends a network request, and the device A receives and displays the network data; step S4, the device A closes the shared network switch and informs the other side; and step S5, the device A and the device B are disconnected in communication. The invention aims to solve the technical problem that the transmission speed of a shared network is low in the prior art.

Description

UWB-based network sharing realization method
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a method for realizing network sharing based on UWB.
Background
At present, mobile equipment on the market only supports sharing of a network of the mobile equipment to PC equipment through an RNDIS protocol, the mobile equipment is connected with the PC equipment through a USB line, the mobile equipment can only serve as device of the RNDIS, the PC equipment serves as host of the RNDIS, and the network of the mobile equipment serving as the device is shared to the PC equipment serving as the host through the RNDIS protocol, so that the purpose of internet surfing by using the network of the mobile equipment under the condition that the PC equipment does not have the network is achieved.
The method has two limitations, the first is that only network sharing between the mobile device and the PC device is supported, the second is that only the network of the mobile device as the device can be shared to the PC device as the host, and there is no way to reversely share the network of the host device to the device. However, as mobile phones become more and more popular, the use scenes of PC devices become less and less, and the scenes of "borrowing" the network of the mobile devices to the PC devices also become less and less, so that the network sharing requirement among a plurality of mobile devices becomes stronger and stronger.
Therefore, the patent document with publication number "CN 113595777A" discloses "a network sharing method and system, including a master and a slave, the master and the slave are connected in communication, the method includes the steps: the master machine and the slave machines receive the network sharing notification; based on a network sharing protocol, the host generates a first virtual network card according to the network sharing notification, and the slave generates a second virtual network card according to the network sharing notification; the host computer carries out networking configuration on the first virtual network card; the host computer carries out network sharing configuration on the first virtual network card, or the slave computer carries out network sharing configuration on the second virtual network card; and the host and the slave share the network according to the network sharing protocol, the first virtual network card and the second virtual network card.
The network sharing method provided by the patent enables the network sharing function not to be limited between the PC equipment and the mobile equipment any more, and two pieces of equipment of any type can realize network sharing, thereby avoiding the problems of radio frequency interference, poor signal and the like caused by mechanisms such as wifi sharing or Bluetooth sharing and the like, and improving the flexibility of the network sharing function.
However, the method and system in the above patent document have limited data transmission in a certain period of time, i.e. the network transmission speed is slow.
Disclosure of Invention
The invention aims to provide a method for realizing network sharing based on UWB (ultra Wide band), and aims to solve the technical problem that the transmission speed of a shared network is low in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for realizing network sharing based on UWB comprises the following steps:
step S1, the device A and the device B establish communication connection based on a UWB module network sharing protocol;
step S2, the device A opens the shared network switch and informs the device B;
step S3, the device B accesses the Internet through the device A network bridge, the device B sends a network request, and the device A receives and displays the network data;
step S4, the device A closes the shared network switch and informs the other side;
and step S5, the device A and the device B are disconnected in communication.
As a preferable scheme of the present invention, in step S1, the device a and the device B are both provided with a WIFI or data network module, a network analysis module and a UWB module, and the device a and the device B establish a communication connection based on a UWB module network sharing protocol.
As a preferred aspect of the present invention, the UWB module network sharing protocol includes an application layer, a transport layer, a network layer, and a UWB communication protocol layer.
As a preferable aspect of the present invention, the step S3 includes the following steps:
step S31, the B device sends HTTP request;
step S32, the B device receives the HTTP request response.
As a preferable aspect of the present invention, the step S31 includes the following steps:
step S311, the user of the B device sends an HTTP request through a browser and sends the HTTP request to an application layer of the B device;
step S312, the application layer of the B device receives the HTTP request and issues the HTTP request to the transmission layer of the B device;
step S313, the transmission layer of the B device encapsulates the HTTP request to obtain a first HTTP request packet and then issues the first HTTP request packet to the network layer of the B device;
step S314, the network layer of the B device encapsulates the first HTTP request packet to obtain a second HTTP request packet, and then the second HTTP request packet is issued to the UWB communication protocol layer of the B device;
step S315, the device B UWB communication protocol layer encapsulates the second HTTP request packet to obtain a third HTTP request packet, and then the third HTTP request packet is sent to the device A UWB communication protocol layer;
step S316, the UWB communication protocol layer of the device A analyzes the third HTTP request packet to obtain a first HTTP analysis packet, and then the first HTTP analysis packet is sent to the network module of the device A for further analysis;
step S317, the device A network module analyzes the first HTTP analysis packet to obtain a second HTTP analysis packet, and then the second HTTP analysis packet is sent to the device B through the WIFI or the data network module.
As a preferable aspect of the present invention, the step S32 includes the following steps:
step S321, the device A receives a network response through the WIFI or data network module;
step S322, after analyzing the network response, the A device network module transfers the network response to the A device UWB communication protocol layer for packaging so as to obtain a network response packet;
step S323, the device A UWB communication protocol layer sends the network response packet to the device B UWB communication protocol layer;
step S324, the B device UWB communication protocol layer analyzes the network response packet to obtain a first network response analysis packet, and then sends the first network response analysis packet to the B device network layer;
step S325, the network layer of the B device analyzes the first network response analysis packet to obtain a second network response analysis packet, and then sends the second network response analysis packet to the transmission layer of the B device;
step S326, the transmission layer of the B device analyzes the second network response analysis packet to obtain a third network response analysis packet, and then sends the third network response analysis packet to the application layer of the B device;
and step S327, the application layer of the B device analyzes the third network response analysis packet and then displays the third network response analysis packet through the browser.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention carries out two-way communication based on the UWB module, supports equipment with one end provided with the UWB module to realize bridge connection and surfing through an equipment sharing network with the other end capable of surfing the Internet and provided with the UWB module, and the network sharing mode is based on the basic characteristics of the UWB module, has multiple advantages compared with other traditional short-distance communication technologies such as Bluetooth and the like, can realize high-speed, low-power consumption and low-cost network sharing, and the UWB module uses the ultra-wide bandwidth of RF frequency spectrum to transmit data.
(2) The invention realizes the operation of the data link layer of the open system based on the UWB communication protocol, inquires the receiving equipment and establishes communication connection.
(3) The UWB module registers itself as Ethernet device to the system network layer.
(4) The invention realizes Ethernet emulation based on UWB communication protocol, which makes TCP/IP protocol run on UWB communication protocol.
(5) The UWB module normalizes the transmission data of the UWB module, performs standardized packing of length format, distinguishes whether the transmission is a control packet or a data packet according to the packing format, supports the transmission of Ethernet type data packets, transmits the control packet and the data packet through the UWB module, and performs different logic processing.
(6) The invention realizes the functions of supporting role conversion and switching.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a UWB-based network sharing method of the present invention;
FIG. 2 is a flowchart of step S3 in a UWB based network sharing method;
fig. 3 is a flowchart of step S31 in the method for implementing network sharing based on UWB according to the present invention;
fig. 4 is a flowchart of step S32 in the method for implementing network sharing based on UWB according to the present invention;
FIG. 5 is a functional block diagram of a UWB based network sharing method;
FIG. 6 is a functional block diagram of a UWB module network sharing protocol in a UWB-based network sharing method.
Detailed Description
The technical solution 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. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Examples
Referring to fig. 1-6, the present invention provides the following technical solutions:
a UWB-based network sharing method is applied between a device A and a device B, and the device A and the device B at least have the following functions:
the device A and the device B are both provided with WIFI or data network modules, and are also provided with a network analysis module and a UWB module, the device A and the device B establish communication connection based on a UWB module network sharing protocol, and the UWB module network sharing protocol comprises an application layer, a transmission layer, a network layer and a UWB communication protocol layer;
when the a device or the B device having the above-described functions performs network sharing, the following is described by taking as an example the a device providing a network and provided with a UWB module and the B device receiving network sharing and provided with a UWB module, and it includes the steps of:
step S1, the device A and the device B establish communication connection based on a UWB module network sharing protocol;
step S2, the device A opens the shared network switch and informs the device B;
step S3, the device B bridges and accesses the internet through the device a network, the device B sends a network request, the device a receives and displays network data, and communicates with the other side according to a layered Protocol data packet in a layered sequence, the sending data packet goes down from an application layer, the receiving data packet goes up from a UWB communication Protocol, the following takes the device B initiating transmission of an HTTP (Hyper Text Transfer Protocol) request as an example, and includes the following steps:
step S31, the B device sends an HTTP request, specifically:
step S311, the user of the B device sends out an HTTP request through the browser and issues the HTTP request to the application layer of the B device;
step S312, the application layer of the B device receives the HTTP request and issues the HTTP request to the transmission layer of the B device;
step S313, the transmission layer of the B device encapsulates the HTTP request to obtain a first HTTP request packet and then issues the first HTTP request packet to the network layer of the B device;
step S314, the network layer of the B device encapsulates the first HTTP request packet to obtain a second HTTP request packet, and then the second HTTP request packet is issued to the UWB communication protocol layer of the B device;
step S315, the B device UWB communication protocol layer encapsulates the second HTTP request packet to obtain a third HTTP request packet, and then the third HTTP request packet is sent to the A device UWB communication protocol layer;
step S316, the device A UWB communication protocol layer analyzes the third HTTP request packet to obtain a first HTTP analysis packet, and then sends the first HTTP analysis packet to the device A network module for further analysis;
step S317, the device A network module analyzes the first HTTP analysis packet to obtain a second HTTP analysis packet, and then the second HTTP analysis packet is sent to the device B through the WIFI or data network module;
step S32, the B device receives the HTTP request response, specifically:
step S321, the device A receives a network response through a WIFI or data network module;
step S322, after analyzing the network response, the A device network module transfers the network response to the A device UWB communication protocol layer for packaging so as to obtain a network response packet;
step S323, the device A UWB communication protocol layer sends the network response packet to the device B UWB communication protocol layer;
step S324, the device B UWB communication protocol layer analyzes the network response packet to obtain a first network response analysis packet, and then sends the first network response analysis packet to the network layer;
step S325, the network layer of the B device analyzes the first network response analysis packet to obtain a second network response analysis packet, and then sends the second network response analysis packet to the transmission layer of the B device;
step S326, the transmission layer of the B device analyzes the second network response analysis packet to obtain a third network response analysis packet, and then sends the third network response analysis packet to the application layer of the B device;
step S327, the application layer of the B device analyzes the third network response analysis packet and then displays the third network response analysis packet through a browser;
step S4, the device A closes the shared network switch and informs the other side;
step S5, disconnecting the communication connection between the device A and the device B;
the invention carries out two-way communication based on the UWB module, supports the equipment with the UWB module at one end to realize bridge connection and Internet access through the equipment sharing network with the UWB module and the other end, and has multiple advantages compared with other traditional short-distance communication technologies such as Bluetooth and the like based on the basic characteristics of UWB and the network sharing mode. The UWB module transmits data by using the ultra-wide bandwidth of the RF frequency spectrum, and can transmit more data in a certain time compared with other traditional wireless technologies, so that the B device can realize high-speed wireless internet access although the A device bridges the Internet;
realizing the operation of an open system data link layer based on a UWB communication protocol, inquiring receiving equipment and establishing communication connection;
the UWB module registers the UWB module to a system network layer as Ethernet equipment;
the invention realizes Ethernet emulation based on UWB communication protocol, which makes TCP/IP protocol operate on UWB communication protocol;
the UWB module normalizes own transmission data, performs standardized packing of length format, distinguishes whether a control packet or a data packet is transmitted according to the packing format, supports the transmission of Ethernet type data packets, transmits the control packet and the data packet through the UWB module, and performs different logic processing;
the invention realizes the functions of supporting role conversion and switching.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A method for realizing network sharing based on UWB is characterized by comprising the following steps:
step S1, the device A and the device B establish communication connection based on a UWB module network sharing protocol;
step S2, the device A opens the shared network switch and informs the device B;
step S3, the device B accesses the Internet through the network bridge of the device A, the device B sends a network request, and the device A receives and displays the network data;
step S4, the device A closes the shared network switch and informs the other side;
step S5, disconnecting the communication connection between the device A and the device B;
in step S1, the device a and the device B are both provided with a WIFI or data network module, a network analysis module and a UWB module, and the device a and the device B establish a communication connection based on a UWB module network sharing protocol; the UWB module network sharing protocol comprises an application layer, a transmission layer, a network layer and a UWB communication protocol layer.
2. The method for implementing network sharing based on UWB according to claim 1, wherein the step S3 includes the following steps:
step S31, the B device sends HTTP request;
step S32, the B device receives the HTTP request response.
3. The UWB-based network sharing method according to claim 2, wherein the step S31 comprises the steps of:
step S311, the user of the B device sends an HTTP request through a browser and sends the HTTP request to an application layer of the B device;
step S312, the application layer of the B device receives the HTTP request and issues the HTTP request to the transmission layer of the B device;
step S313, the transmission layer of the B device encapsulates the HTTP request to obtain a first HTTP request packet and then issues the first HTTP request packet to the network layer of the B device;
step S314, the network layer of the B device encapsulates the first HTTP request packet to obtain a second HTTP request packet, and then the second HTTP request packet is issued to the UWB communication protocol layer of the B device;
step S315, the device B UWB communication protocol layer encapsulates the second HTTP request packet to obtain a third HTTP request packet, and then the third HTTP request packet is sent to the device A UWB communication protocol layer;
step S316, the UWB communication protocol layer of the device A analyzes the third HTTP request packet to obtain a first HTTP analysis packet, and then the first HTTP analysis packet is sent to the network module of the device A for further analysis;
step S317, the device A network module analyzes the first HTTP analysis packet to obtain a second HTTP analysis packet, and then the second HTTP analysis packet is sent to the device B through the WIFI or the data network module.
4. The UWB-based network sharing method according to claim 2, wherein the step S32 comprises the steps of:
step S321, the device A receives a network response through the WIFI or data network module;
step S322, the A device network module analyzes the network response and then transfers the network response to the A device UWB communication protocol layer for packaging so as to obtain a network response packet;
step S323, the device A UWB communication protocol layer sends the network response packet to the device B UWB communication protocol layer;
step S324, the B device UWB communication protocol layer analyzes the network response packet to obtain a first network response analysis packet, and then sends the first network response analysis packet to the B device network layer;
step S325, the network layer of the B device analyzes the first network response analysis packet to obtain a second network response analysis packet, and then sends the second network response analysis packet to the transmission layer of the B device;
step S326, the transmission layer of the B device analyzes the second network response analysis packet to obtain a third network response analysis packet, and then sends the third network response analysis packet to the application layer of the B device;
and step S327, the application layer of the B device analyzes the third network response analysis packet and then displays the third network response analysis packet through the browser.
CN202210738470.2A 2022-06-28 2022-06-28 Method for realizing network sharing based on UWB Active CN114827235B (en)

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