CN107333274B - wireless transmission system - Google Patents

wireless transmission system Download PDF

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Publication number
CN107333274B
CN107333274B CN201710534411.2A CN201710534411A CN107333274B CN 107333274 B CN107333274 B CN 107333274B CN 201710534411 A CN201710534411 A CN 201710534411A CN 107333274 B CN107333274 B CN 107333274B
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data processing
wireless
wireless communication
data
local area
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CN107333274A (en
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尹士畅
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Porin Intelligent Technology Beijing Co ltd
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Porin Intelligent Technology Beijing Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • H04W16/20—Network planning tools for indoor coverage or short range network deployment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The embodiment of the application provides a wireless transmission system, which comprises at least one data processing device, wherein the data processing device comprises wireless communication modules which are connected with the data processing devices one by one, and the data processing devices are arranged according to a preset distance or a preset position; the at least one data processing device is divided into at least one local area network, each wireless communication module is set to be in a wireless access mode, wherein network access conditions of the wireless communication modules in the same local area network are set to be the same, so that external data equipment can transmit data through any wireless communication module in the same local area network with the external data equipment.

Description

Wireless transmission system
Technical Field
The embodiment of the application relates to the technical field of computers, in particular to a wireless transmission system.
Background
Wireless local area network english full name: wireless Local Area Networks; the abbreviation is: WLAN (wireless local area network). The system is a quite convenient data transmission system, uses Radio Frequency (RF) technology to carry out communication connection in the air, and can use a simple access architecture to enable a user to achieve an ideal boundary of information portability and convenience in going around the sky. In recent years, with the development and progress of technology, the great advantages of wireless data transmission are fully displayed, and thus, great application space is obtained, and great changes are brought to the work and life of people.
However, the biggest problem of the wireless network is the signal attenuation problem caused by the wireless signal passing through the wall body, the large-scale equipment and the like, and the attenuation amplitude of the wireless signal is about 30dB after the wireless signal passes through a layer of wall body with the thickness of 20CM in general, so that the transmission distance of the wireless signal can be greatly reduced. In an environment where walls are dense or large-scale equipment is dense, the signal quality of a wireless network is poor, and great difficulty is encountered in building the wireless network. In general, a large construction is faced, that is, a plurality of APs (wireless access points) are connected through network connection wires, then wiring grooves are built at a plurality of indoor positions, AP installation points are built, then APs are uniformly installed in the whole environment, the construction cost is high, the construction period is long, and especially in places with high requirements on cleanliness and large flow like hospitals, on-site service stop and personnel avoidance are required, so that the difficulty of building a wireless network is further increased.
Therefore, how to improve the stability of the wireless network and reduce the difficulty of building the wireless network when the wall is dense or the large-scale equipment is dense is a difficult problem to solve.
Disclosure of Invention
The embodiment of the application provides a wireless transmission system, which can improve the stability of a wireless network and reduce the difficulty of building the wireless network when walls are denser or large-scale equipment is denser.
In a first aspect, the present application provides a wireless transmission system, including at least one data processing device, where the data processing device includes wireless communication modules connected to the data processing devices one by one, and the data processing devices are set according to a preset distance or a preset position; the at least one data processing device is divided into at least one local area network, each wireless communication module is set to be in a wireless access mode, wherein network access conditions of the wireless communication modules in the same local area network are set to be the same, so that external data equipment can perform data transmission wireless access modes through any wireless communication module in the same local area network with the external data equipment.
In a second aspect, the present application further provides a wireless transmission system, including at least one data processing device, where the data processing device includes wireless communication modules connected to the data processing devices one by one, and the data processing devices are set according to a preset distance or a preset position; the data processing equipment is divided into at least one local area network, the data processing equipment in the same local area network is divided into at least one group, and each wireless communication module is set to be in a wireless mode, wherein the network access conditions of the wireless communication modules in the same group are set to be the same, so that the data equipment can carry out data transmission wireless access mode through any wireless communication module in the same group with the data equipment.
In a third aspect, the present application further provides a wireless transmission system, including at least one data processing device and a data device connected to the data processing device, where the data processing device includes wireless communication modules connected to the data processing devices one by one, and the data processing device is set according to a preset distance or a preset position; the at least one data processing device is divided into at least one local area network, each wireless communication module is set to be in a wireless access mode, wherein network access conditions of the wireless communication modules in the same local area network are set to be the same, so that external data equipment can perform data transmission wireless access modes through any wireless communication module in the same local area network with the external data equipment; or alternatively, the first and second heat exchangers may be,
the system comprises at least one data processing device and data devices connected with the data processing device, wherein the data processing device comprises wireless communication modules connected with the data processing devices one by one, and the data processing device is arranged according to a preset distance or a preset position; the data processing equipment is divided into at least one local area network, the data processing equipment in the same local area network is divided into at least one group, and each wireless communication module is set to be in a wireless mode, wherein the network access conditions of the wireless communication modules in the same group are set to be the same, so that the data equipment can carry out data transmission wireless access mode through any wireless communication module in the same group with the data equipment.
The wireless transmission system provided by the embodiment of the application aims at setting up a wireless local area network by combining a local area network, and setting data processing equipment according to actual needs and preset distance or preset position, wherein the data processing equipment is divided into at least one local area network, and each data processing equipment can receive data of external data equipment through wireless communication equipment. Because the network access conditions of the wireless communication modules in the same local area network are the same, when the wireless communication modules are moved from the wireless area covered by the currently connected wireless communication module to the wireless area covered by other wireless communication modules, the external data equipment can be directly connected with the wireless network without re-verification of the network access conditions, and then the data processing equipment is accessed into the local area network, so that the method is flexible and convenient, and the stability and the signal quality of the wireless network are improved. In addition, compared with the difficulty in building a wireless network in the prior art, the method and the device only need to add a wireless communication module in the data processing equipment, and the difficulty and cost in building the network are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a wireless transmission system according to some embodiments of the present application;
fig. 2 is a schematic diagram of a wireless transmission system according to some other embodiments of the present application;
fig. 3A is a schematic diagram of a wireless transmission system according to an embodiment of the present application;
fig. 3B is a schematic diagram of a wireless transmission system according to another embodiment of the present application;
fig. 3C is a schematic diagram of a wireless transmission system according to another embodiment of the present application;
fig. 3D is a schematic diagram of a wireless transmission system according to another embodiment of the present application;
FIG. 4A is a schematic view of an application scenario provided in the prior art;
FIG. 4B is a schematic diagram of an application scenario provided by some embodiments of the present application;
fig. 5A is a schematic diagram of a wireless transmission system according to some embodiments of the present application;
fig. 5B is a schematic diagram of a wireless transmission system according to some other embodiments of the present application;
fig. 6A is a schematic diagram of a wireless transmission system according to an embodiment of the present application;
fig. 6B is a schematic diagram of a wireless transmission system according to another embodiment of the present application;
fig. 6C is a schematic diagram of a wireless transmission system according to another embodiment of the present application;
fig. 6D is a schematic diagram of a wireless transmission system according to another embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application provides a wireless transmission system, which comprises at least one data processing device, wherein the data processing device comprises wireless communication modules which are connected with the data processing devices one by one, and the data processing devices are arranged according to a preset distance or a preset position; the at least one data processing device is divided into at least one local area network, each wireless communication module is set to be in a wireless access mode, and other devices can access the corresponding local area network, namely the local area network where the wireless communication module is located, through the wireless communication module in the wireless access mode. In the embodiment of the application, the network access conditions of the wireless communication modules in the same local area network are set to be the same, and the setting can enable the external data equipment to perform data transmission through any wireless communication module in the same local area network with the external data equipment. Optionally, the external data device is an electronic device supporting wireless communication, specifically, the network system supported by the external data device may be 2G, 3G, 4G, 5G, and a subsequent evolution system based on the foregoing network system, and the wireless communication protocol supported by the external data device may be WIFI, blueTooth or the like. Optionally, the network access condition may be an account number and a password, or may be a unique identification code or a unique identification service code, etc.
The wireless transmission system provided by the embodiment of the application aims at setting up a wireless local area network by combining a local area network, and setting data processing equipment according to actual needs and preset distance or preset position, wherein the data processing equipment is divided into at least one local area network, and each data processing equipment can receive data of external data equipment through wireless communication equipment. Because the network access conditions of the wireless communication modules in the same local area network are the same, when the wireless communication modules are moved from the wireless area covered by the currently connected wireless communication module to the wireless area covered by other wireless communication modules, the external data equipment can be directly connected with the wireless network without re-verification of the network access conditions, and then the data processing equipment is accessed into the local area network, so that the method is flexible and convenient, and the stability and the signal quality of the wireless network are improved. In addition, compared with the difficulty in building a wireless network in a wall body intensive or large-scale equipment intensive application scene in the prior art, the embodiment of the application does not need to build wiring grooves and AP mounting points at a plurality of indoor positions, only needs to add a wireless communication module in data processing equipment, and reduces the difficulty in building the network. The embodiment of the application also reduces the cost of manpower, time and hardware, and saves social resources. .
Optionally, the connection interface between the data processing device and the wireless communication module is at least one of the following: PCI interface, USB interface. The specific hardware form of the wireless communication module can be a USB wireless network card.
In some of the above embodiments, the data processing apparatus includes: and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals between the adjacent data processing equipment. In an alternative embodiment, adjacent data processing devices may be provided where the wireless signal of the current data processing device is attenuated to 60%, it being understood that the degree of attenuation may be specifically set according to actual needs.
In addition, generally, for the non-blocking object and the blocking object between the two data processing devices, according to the different working frequencies, the attenuation degree of the wireless signal has a certain relationship with the distance, so in some alternative embodiments, the preset distance or the preset position can be determined according to the relationship. Optionally, when there is a barrier between adjacent data processing apparatuses, the determining the preset distance or the preset position between the adjacent data processing apparatuses according to the attenuation degree of the wireless signal between the adjacent data processing apparatuses includes:
Determining the attenuation degree of the wireless signal according to the blocking rate of the blocking object to the wireless signal;
and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals.
Optionally, the preset distance or the preset position is determined by taking the wireless signal attenuation of not more than 40% as a requirement.
For example, the relation between the attenuation procedure and the distance of the radio signal is shown in Table 1, with an operating frequency of 2.4GHZ, a transmission power of +10dBm (10 mW), a reception sensitivity of-105 dBm, and an antenna gain of 2 dBi.
TABLE 1
Here, the preset position is sometimes slightly different from the preset distance. For example, each position on a circumference with a preset distance as a radius with respect to the current data processing apparatus as a center may be regarded as a preset position. However, due to factors such as weather temperature, humidity or air, it is possible that the wireless signal received at some positions on the circumference is attenuated to a large extent, and thus the preset position can be determined according to the attenuation degree of the wireless signal received at the circumference.
In other alternative embodiments, when applied to wall-or room-dense scenes, one of the data processing devices is provided through each wall or one of the data processing devices is provided in each room.
The present application is specifically described below in connection with application scenarios.
Referring to fig. 1, an architecture diagram of a wireless transmission system provided by some embodiments of the present application is shown, where the wireless transmission system includes five data processing devices 101-a to E, the data processing devices 101 include wireless communication modules 102 connected to the data processing devices one by one, and the data processing devices 101 are set according to a preset distance or a preset position. The data processing devices a to E are divided into a local area network 1, the local area network 1 accesses a network through a network access device 104, and each of the wireless communication modules 102 is set to a wireless access mode such as a wireless AP mode (AP) or a wireless sharing mode such as a wireless hotspot mode, wherein network access conditions of the wireless communication modules in the local area network 1 are set to be the same, so that the external data device 103 can perform data transmission with any wireless communication module in the local area network 1 with the external data device 103. For example: the wireless account numbers of the wireless communication modules in the local area network 1 are set to be net1, the passwords are set to be 123, and when the data equipment a is moved to a wireless area covered by the wireless communication module connected with the data processing equipment C, the data equipment a is accessed to the local area network 1 through the wireless communication module connected with the data processing equipment C. Because the wireless account numbers and passwords of the wireless communication modules are set to be the same, the data equipment a can access the local area network 1 without inputting and verifying the account numbers and passwords again. It follows that the data devices a to f can each access the local area network 1 via any wireless communication module connected to the data processing devices a to E.
The data processing device 101 may be a PC desktop or a notebook; the wireless communication module 102 may be a wireless network card with a USB interface or a hardware module with a PCI interface; the external data device 103 may be any one of a wireless thermometer, a mobile device, and a handheld device; the network access device 104 may be a gateway, a router, or a bridge. In the above-described embodiment, each data processing apparatus 101 is connected to the network access apparatus 104 by a wired manner; the external data device 103 is wirelessly connected to the data processing device 101, and exchanges data with the data processing device 101 through the wireless communication module 102.
Referring to fig. 2, there is shown an architecture diagram of a wireless transmission system provided in some other embodiments of the present application, where the wireless transmission system includes five data processing devices 101-a to E, the data processing devices 101 include wireless communication modules 102 connected to the data processing devices one by one, and the data processing devices 101 are disposed according to a preset distance or a preset location. The data processing devices a to E are divided into two local area networks, wherein the data processing devices a to C are located in the local area network 1 and the data processing devices D and E are located in the local area network 2. Local area networks 1 and 2 access the network through network access device 104, and each of the wireless communication modules 102 is set to a wireless access mode such as a wireless AP mode (wireless access point, AP for short) or a wireless sharing mode such as a wireless hotspot mode. The network access conditions of the wireless communication modules in the same local area network are set to be the same so that the external data device 103 can perform data transmission through any wireless communication module in the same local area network as the external data device 103. For example: the wireless account numbers of the wireless communication modules in the local area network 1 are set to be net1, and the passwords are set to be 123, so that the data devices a to C can access the local area network 1 through any wireless communication module connected with the data processing devices A to C; the wireless account numbers of the wireless communication modules in the local area network 2 are all set to be net2, the passwords are all set to be 456, and then the data devices d, e and f can access the local area network 2 through any wireless communication module connected with the data processing device D, E. When the data device a is moved to a wireless area covered by a wireless communication module connected to the data processing device C, the data device a accesses the local area network 1 through the wireless communication module connected to the data processing device C. Because the wireless account numbers and passwords of the wireless communication modules in the local area network 1 are set to be the same, the data equipment a can access to the local area network 1 without inputting and verifying the account numbers and passwords again.
In the above-described embodiment, each data processing apparatus 101 is connected to the network access apparatus 104 by a wired manner; the external data device 103 is wirelessly connected to the data processing device 101, and exchanges data with the data processing device 101 through the wireless communication module 102. The data processing device 101 may be a PC desktop or a notebook; the wireless communication module 102 may be a wireless network card with a USB interface or a hardware module with a PCI interface; the external data device 103 may be any one of a wireless thermometer, a mobile device, and a handheld device; the network access device 104 may be a gateway, a router, or a bridge.
In view of the foregoing, it can be seen that the wireless transmission system provided by the embodiment of the present application aims to provide a method for setting up a wireless local area network by combining a local area network, and sets data processing devices according to a preset distance or a preset position according to actual needs, where the data processing devices are divided into at least one local area network, and each data processing device can receive data of an external data device through a wireless communication device. Because the network access conditions of the wireless communication modules in the same local area network are the same, when the wireless communication modules are moved from the wireless area covered by the currently connected wireless communication module to the wireless area covered by other wireless communication modules, the external data equipment can be directly connected with the wireless network without re-verification of the network access conditions, and then the data processing equipment is accessed into the local area network, so that the method is flexible and convenient, and the stability and the signal quality of the wireless network are improved. In addition, compared with the difficulty in building a wireless network in the prior art, the method and the device only need to add a wireless communication module in the data processing equipment, and the difficulty and cost in building the network are reduced.
Since the data processing devices in the same lan may be a plurality of working groups, there is no need to exchange data between the working groups based on security requirements. In order to adapt to the situation, the embodiment of the application also provides a wireless transmission system, which comprises at least one data processing device, wherein the data processing device comprises wireless communication modules which are connected with the data processing devices one by one, and the data processing devices are arranged according to a preset distance or a preset position; the at least one data processing device is divided into at least one local area network, the data processing devices in the same local area network are divided into at least one group, each local area network is accessed to the network through a network access device, each wireless communication module is set to be in a wireless access mode, wherein the network access conditions of the wireless communication modules in the same group are set to be the same, so that the external data device can perform data transmission through any wireless communication module in the same group as the external data device. Alternatively, VLAN technology may be used to partition data processing devices in the same local area network into at least one group, so that data processing devices in the same working group but possibly not in one working area can be logically partitioned into one group, although the technology may also be applied to group partitioning for data processing devices in one working area; the network access conditions of the wireless communication modules divided into the same group may also be set to be the same as needed. Optionally, the external data device is an electronic device supporting wireless communication, specifically, the network system supported by the external data device may be 2G, 3G, 4G, 5G, and a subsequent evolution system based on the foregoing network system, and the wireless communication protocol supported by the external data device may be WIFI, blueTooth or the like. Optionally, the network access condition may be an account number and a password, or may be a unique identification code or a unique identification service code, etc.
The wireless transmission system provided by the embodiment of the application aims at setting up a wireless local area network by combining a local area network, and setting data processing equipment according to actual needs and preset distance or preset position, wherein the data processing equipment is divided into at least one local area network, and each data processing equipment can receive data of external data equipment through wireless communication equipment. Because the network access conditions of the wireless communication modules in the same working group are the same, when the wireless communication module is moved from the wireless area covered by the currently connected wireless communication module to the wireless area covered by other wireless communication modules, the external data equipment can be directly connected with the wireless network without re-verification of the network access conditions, and then the data processing equipment is accessed into the local area network. According to the embodiment of the application, the data processing equipment in the same local area network is divided into at least one group, so that the external data equipment in the same working group can be quickly accessed into the local area network in the wireless area of any wireless communication module in the same group, and the data exchange between the working groups is not needed, thereby not only ensuring the data security of the working groups, but also enabling the external data equipment of the working groups to be quickly accessed into the local area network in the wireless area of any wireless communication module in the same group, and improving the flexibility, the stability of the wireless network and the signal quality.
In addition, compared with the difficulty in building a wireless network in a wall body intensive or large-scale equipment intensive application scene in the prior art, the method and the device only need to add a wireless communication module in the data processing equipment, and the difficulty and cost in building the network are reduced.
Optionally, the connection interface between the data processing device and the wireless communication module is at least one of the following: PCI interface, USB interface. The specific hardware form of the wireless communication module can be a USB wireless network card.
In some of the above embodiments, the data processing apparatus includes: and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals between the adjacent data processing equipment. In an alternative embodiment, adjacent data processing devices may be provided where the wireless signal of the current data processing device is attenuated to 60%, it being understood that the degree of attenuation may be specifically set according to actual needs.
In addition, generally, for the non-blocking object and the blocking object between the two data processing devices, according to the different working frequencies, the attenuation degree of the wireless signal has a certain relationship with the distance, so in some alternative embodiments, the preset distance or the preset position can be determined according to the relationship. Optionally, when there is a barrier between adjacent data processing apparatuses, the determining the preset distance or the preset position between the adjacent data processing apparatuses according to the attenuation degree of the wireless signal between the adjacent data processing apparatuses includes:
Determining the attenuation degree of the wireless signal according to the blocking rate of the blocking object to the wireless signal;
and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals.
Optionally, the preset distance or the preset position is determined by taking the wireless signal attenuation of not more than 40% as a requirement.
For example, the relation between the attenuation procedure and the distance of the radio signal is shown in Table 2, with an operating frequency of 2.4GHZ, a transmission power of +10dBm (10 mW), a reception sensitivity of-105 dBm, and an antenna gain of 2 dBi.
TABLE 2
Here, the preset position is sometimes slightly different from the preset distance. For example, each position on a circumference with a preset distance as a radius with respect to the current data processing apparatus as a center may be regarded as a preset position. However, due to factors such as weather temperature, humidity or air, it is possible that the wireless signal received at some positions on the circumference is attenuated to a large extent, and thus the preset position can be determined according to the attenuation degree of the wireless signal received at the circumference.
In other alternative embodiments, when applied to wall-or room-dense scenes, one of the data processing devices is provided through each wall or one of the data processing devices is provided in each room.
The following describes embodiments of the present application in connection with application scenarios.
Referring to fig. 3A, an architecture diagram of a wireless transmission system according to some embodiments of the present application is shown, where the wireless transmission system includes five data processing devices 101-a to E, the data processing devices 101 include wireless communication modules 102 connected to the data processing devices one by one, and the data processing devices 101 are set according to a preset distance or a preset position. The data processing devices a to E are divided into a local area network 1, the local area network 1 accesses a network through a network access device 104, and each of the wireless communication modules 102 is set to a wireless access mode such as a wireless AP mode (AP) or a wireless sharing mode such as a wireless hotspot mode. Wherein the data processing devices a to E are divided into the same group 1, and the network access conditions of the wireless communication modules in the group 1 are set to be the same, so that the external data device 103 can perform data transmission by any wireless communication module in the group 1 with the external data device 103. For example: the wireless accounts of the wireless communication modules in the group 1 are set to be net1, the passwords are set to be 123, and when the data device a is moved to a wireless area covered by the wireless communication module connected with the data processing device C, the data device a accesses the local area network 1 through the wireless communication module connected with the data processing device C. Because the wireless account numbers and passwords of the wireless communication modules are set to be the same, the data equipment a can access the local area network 1 without inputting and verifying the account numbers and passwords again. It follows that the data devices a to f can each access the local area network 1 via any wireless communication module connected to the data processing devices a to E.
Referring to fig. 3B, an architecture diagram of a wireless transmission system according to some other embodiments of the present application is shown, where the wireless transmission system includes five data processing devices 101-a to E, the data processing devices 101 include wireless communication modules 102 connected to the data processing devices one by one, and the data processing devices 101 are disposed according to a preset distance or a preset location. The data processing devices a to E are divided into a local area network 1 and into two groups, wherein the data processing devices a to C are in group 1 and the data processing devices D to F are in group 2. Groups 1 and 2 access the network through the network access device 104, and each of the wireless communication modules 102 is set to a wireless access mode such as a wireless AP mode (wireless access point, AP for short) mode or a wireless sharing mode such as a wireless hotspot mode. The network access conditions of the wireless communication modules in the same group are set to be the same so that the external data device 103 can perform data transmission through any wireless communication module in the same group as the external data device 103. For example: the wireless accounts of the wireless communication modules in the group 1 are set to be net1, and the passwords are set to be 123, so that the data devices a to C can access the local area network 1 through any wireless communication module connected with the data processing devices a to C; the wireless account numbers of the wireless communication modules in the group 2 are set to net2 and the passwords are set to 456, and then the data devices d to f can access the local area network 2 through any wireless communication module connected to the data processing device D, E. When the data device a is moved to a wireless area covered by a wireless communication module connected to the data processing device C, the data device a accesses the local area network 1 through the wireless communication module connected to the data processing device C. Because the wireless account numbers and passwords of the wireless communication modules in the group 1 are set to be the same, the data equipment a can access the local area network 1 without inputting and verifying the account numbers and passwords again.
Referring to fig. 3C, an architecture diagram of a wireless transmission system according to some embodiments of the present application is shown, where the wireless transmission system includes five data processing devices 101-a to E, the data processing devices 101 include wireless communication modules 102 connected to the data processing devices one by one, and the data processing devices 101 are set according to a preset distance or a preset position. The data processing devices a to C are divided into a local area network 1 and the data processing devices D to F are divided into a local area network 2, wherein the data processing devices a to B are in group 1 and the data processing device C is in group 2. Local area networks 1 and 2 access the network through network access device 104. Each of the wireless communication modules 102 is set to a wireless access mode such as a wireless AP mode (AP) mode or a wireless sharing mode such as a wireless hotspot mode. The network access conditions of the wireless communication modules in the same group are set to be the same so that the external data device 103 can perform data transmission through any wireless communication module in the same group as the external data device 103. For example: the wireless accounts of the wireless communication modules in the group 1 are set to be net1, and the passwords are set to be 123, so that the data devices a to b can access the local area network 1 through any wireless communication module connected with the data processing devices A to C; the wireless account numbers of the wireless communication modules in the group 2 are all set to be net2, the passwords are all set to be 456, and then the data equipment C can access the local area network 1 through the wireless communication module connected with the data processing equipment C; the wireless account numbers of the wireless communication modules in the local area network 2 are all set to net3, and the passwords are all set to 789, so that the data devices d to f can access the local area network 2 through any wireless communication module connected with the data processing device D, E. When the data device a is moved to a wireless area covered by a wireless communication module connected to the data processing device B, the data device a accesses the local area network 1 through the wireless communication module connected to the data processing device B. Because the wireless account numbers and passwords of the wireless communication modules in the group 1 are set to be the same, the data equipment a can access the local area network 1 without inputting and verifying the account numbers and passwords again.
Referring to fig. 3D, an architecture diagram of a wireless transmission system according to some embodiments of the present application is shown, where the wireless transmission system includes five data processing devices 101-a to E, the data processing devices 101 include wireless communication modules 102 connected to the data processing devices one by one, and the data processing devices 101 are set according to a preset distance or a preset position. The data processing devices a to C are divided into a local area network 1 and the data processing devices D to F are divided into a local area network 2, wherein the data processing devices a to B are in group 1, the data processing device C is in group 2, the data processing device D is in group 3, and the data processing device E is in group 4. Local area networks 1 and 2 access the network through network access device 104. Each of the wireless communication modules 102 is set to a wireless access mode such as a wireless AP mode (AP) mode or a wireless sharing mode such as a wireless hotspot mode. The network access conditions of the wireless communication modules in the same group are set to be the same so that the external data device 103 can perform data transmission through any wireless communication module in the same group as the external data device 103. For example: the wireless accounts of the wireless communication modules in the group 1 are set to be net1, and the passwords are set to be 123, so that the data devices a to b can access the local area network 1 through any wireless communication module connected with the data processing devices A to C; the wireless account numbers of the wireless communication modules in the group 2 are all set to be net2, the passwords are all set to be 456, and then the data equipment C can access the local area network 1 through the wireless communication module connected with the data processing equipment C; the wireless accounts of the wireless communication modules in the group 3 are set to be net3, the passwords are set to be 789, and then the data devices D to e can access the local area network 2 through the wireless communication modules connected with the data processing device D; the wireless account numbers of the wireless communication modules in the group 4 are set to net4 and the passwords are set to 000, and the data device f can access the local area network 2 through the wireless communication module connected with the data processing device E. When the data device a is moved to a wireless area covered by a wireless communication module connected to the data processing device B, the data device a accesses the local area network 1 through the wireless communication module connected to the data processing device B. Because the wireless account numbers and passwords of the wireless communication modules in the group 1 are set to be the same, the data equipment a can access the local area network 1 without inputting and verifying the account numbers and passwords again.
The data processing device 101 may be a PC desktop or a notebook; the wireless communication module 102 may be a wireless network card with a USB interface or a hardware module with a PCI interface; the external data device 103 may be any one of a wireless thermometer, a mobile device, and a handheld device; the network access device 104 may be a gateway, a router, or a bridge. In the above-described embodiment, each data processing apparatus 101 is connected to the network access apparatus 104 by a wired manner; the external data device 103 is wirelessly connected to the data processing device 101, and exchanges data with the data processing device 101 through the wireless communication module 102.
Referring to fig. 4A, one of possible application scenarios of some embodiments of the present application may be an application site with dense walls, such as a hospital, a school, a dormitory, and the like, which is exemplified by a hospital. Where 201 to 205, 301 to 305 are operating rooms, the operating room area is typically divided by a plurality of separate operating rooms, where there is a single corridor area, and for infection and control requirements, the operating rooms are separated by automatic doors, and each adjacent operating room is divided by a load-bearing wall, so that the attenuation of wireless signals transmitted from one operating room to another operating room is very large.
If the scenario shown in fig. 4A is to be applied to a wireless lan, the most commonly used technical solution in the prior art is as follows, a wiring groove is built at a plurality of positions in an operating room, a wireless AP mounting point is built, and other operating rooms are connected to the wireless AP connecting network through accessing the wireless AP. Optionally, the wireless AP is selected as TP-LINK TL-WR886N, which is a home router, and the supported network standards comprise IEEE 802.11N, IEEE 802.11g, IEEE 802.11b, IEEE 802.3 and IEEE 802.3u, wherein the highest transmission rate is 450Mbps, and the frequency range is 2.4-2.4835GHz. The router has 3 external omni-directional antennas and the gain of all antennas is 5dBi. Taking the wireless AP as 201 as an example, only relatively stable WIFI signals (for example, 20KB/S transmission rate can be detected) can be detected in three operating rooms, namely 202, 301 and 302, and the WIFI signals detected in the rest of the operating rooms are intermittent. It follows that the solutions adopted by the prior art do not provide wireless networks with high quality wireless signals and transmission rates. The aim can be achieved by adopting the scheme provided by the embodiment of the application.
Referring to fig. 4B, since the operating rooms are divided by using the bearing walls, a data processing device 101 connected to a wireless communication module 102 is disposed in each room. Each data processing device 101 forms a local area network through a wire line, and the local area network performs data interaction with a hospital network or other local area networks through a gateway. Alternatively, the data processing device 101 is a desktop or notebook computer, and the data processing device 101 is mainly used for prescription management of anesthesiologists and anesthesia information recording during patient operation, while all computers in the operating room are directly connected to the server of the hospital system through a gateway, and are generally used for acquiring patient information from the server. Optionally, the gateway and the hospital server are in the same local area network. Assuming that the IP address of the hospital server is 192.168.1.180, the address of the local area network where the gateway is located is 192.168.1.25, and the IP address set by the gateway is 192.168.2.1, the subnet IP address of each computer in the operating room is 192.168.2.X, and is not repeated. In order to realize the wireless transmission system, a USB wireless network card is inserted into the data processing device 101 in each operating room in fig. 4B, and the wireless network card in this embodiment may be TP-LINK-WN823N, and has a USB interface, which is small in size, only 4×2×0.5cm, and has a weight of 60g, and may be directly inserted into the data processing device 101 for use, and because of small size and light weight, no influence is exerted on the space of the operating room. After the wireless network card is inserted into the computer, a driver program is installed first. After the driver is installed, the wireless network card is set to be in an AP mode, and meanwhile, the wireless network name of the wireless network card, namely the wireless account number, is set to be net, and the network password is set to be 123. According to this step, the computers of other operating rooms are set in the above manner, so that the whole operating room area is covered with the wireless network name of net and the network password of 123, and the network signal is good. The mobile phone with the WIFI function is set to be a wireless network name of net, and the network password is 123, so that the mobile phone can cover WIFI signals in the whole operating room area, meanwhile, data of a hospital server can be accessed quickly, the transmission rate of tested data can reach more than 200KB/S stably, and the tested data can be shown in table 3.
TABLE 3 Table 3
Test time Transmission rate
1s 200KB/S
5s 210KB/S
10s 205KB/S
60s 250KB/S
600s 343KB/S
Compared with the traditional construction mode, if the traditional construction wiring mode is adopted in an operation area of 100 operating rooms, the material cost and the labor cost of about 20 ten thousand yuan are required, meanwhile, the construction period is about 10 days or more, and in the construction process, the construction site is shut down and production is stopped. If the implementation mode provided by the embodiment of the application is adopted, each USB wireless network card only needs 40 yuan, 100 rooms only need 4000 yuan, and manual plugging and unplugging can be completed in 2 hours. In addition, the traditional construction wiring mode has very high requirements on the design of the wireless AP layout, the wireless AP is required to be densely distributed, and in general, one wireless AP point is required to cover at most 4 rooms, and each row covers 2 rooms. When 6 rooms are covered, the signal of the room farthest from the AP point may be intermittent. According to the technical scheme and the layout mode provided by the embodiment of the application, the network signal can continuously and stably reach 200KB/s. As can be seen from the comparison, the wireless transmission system provided by the embodiment of the application can provide a stable wireless network, and improves the quality and transmission rate of wireless signals. Furthermore, the embodiment of the application also reduces the cost of manpower, time and hardware, and saves social resources.
Referring to fig. 5A and 5B, some embodiments of the present application further provide a wireless transmission system, which includes at least one data processing device 101 and a data device 103 connected to the data processing device, where the data processing device 101 includes wireless communication modules 102 connected to the data processing devices one by one, and the data processing devices 101 are set according to a preset distance or a preset position; the at least one data processing device 101 is divided into at least one local area network, each local area network accesses to the network through the network access device 104, and each wireless communication module 102 is set to a wireless access mode, wherein the network access conditions of the wireless communication modules 102 in the same local area network are set to be the same, so that the data device 103 can perform data transmission through any wireless communication module in the same local area network as the data device 103. Optionally, the data device is an electronic device supporting wireless communication, specifically, a network system supported by the data device may be 2G, 3G, 4G, 5G, and a subsequent evolution system based on the foregoing network system, and a wireless communication protocol supported by the data device may be WIFI, blueTooth or the like. Optionally, the network access condition may be an account number and a password, or may be a unique identification code or a unique identification service code, etc.
The wireless transmission system provided by the embodiment of the application aims at setting up a wireless local area network by combining a local area network, and setting data processing equipment according to actual needs and preset distances or preset positions, wherein the data processing equipment is divided into at least one local area network, and each data processing equipment can receive data of the data equipment through wireless communication equipment. Because the network access conditions of the wireless communication modules in the same local area network are the same, when the wireless communication modules are moved from the wireless area covered by the currently connected wireless communication module to the wireless area covered by other wireless communication modules, the data equipment can be directly connected with the wireless network without re-verification of the network access conditions, and then the data processing equipment is accessed into the local area network, so that the method is flexible and convenient, and the stability and the signal quality of the wireless network are improved. In addition, compared with the difficulty in building a wireless network in a wall body intensive or large-scale equipment intensive application scene in the prior art, the method and the device only need to add a wireless communication module in the data processing equipment, and the difficulty and cost in building the network are reduced.
Optionally, the connection interface between the data processing device and the wireless communication module is at least one of the following: PCI interface, USB interface. The specific hardware form of the wireless communication module can be a USB wireless network card.
In some of the above embodiments, the data processing apparatus includes: and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals between the adjacent data processing equipment. In an alternative embodiment, adjacent data processing devices may be provided where the wireless signal of the current data processing device is attenuated to 60%, it being understood that the degree of attenuation may be specifically set according to actual needs.
In addition, generally, for the non-blocking object and the blocking object between the two data processing devices, according to the different working frequencies, the attenuation degree of the wireless signal has a certain relationship with the distance, so in some alternative embodiments, the preset distance or the preset position can be determined according to the relationship. Optionally, when there is a barrier between adjacent data processing apparatuses, the determining the preset distance or the preset position between the adjacent data processing apparatuses according to the attenuation degree of the wireless signal between the adjacent data processing apparatuses includes:
determining the attenuation degree of the wireless signal according to the blocking rate of the blocking object to the wireless signal;
And determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals.
Optionally, the preset distance or the preset position is determined by taking the wireless signal attenuation of not more than 40% as a requirement.
For example, the relation between the attenuation procedure and the distance of the radio signal is shown in Table 4, with an operating frequency of 2.4GHZ, a transmission power of +10dBm (10 mW), a reception sensitivity of-105 dBm, and an antenna gain of 2 dBi.
TABLE 4 Table 4
Here, the preset position is sometimes slightly different from the preset distance. For example, each position on a circumference with a preset distance as a radius with respect to the current data processing apparatus as a center may be regarded as a preset position. However, due to factors such as weather temperature, humidity or air, it is possible that the wireless signal received at some positions on the circumference is attenuated to a large extent, and thus the preset position can be determined according to the attenuation degree of the wireless signal received at the circumference.
In other alternative embodiments, when applied to wall-or room-dense scenes, one of the data processing devices is provided through each wall or one of the data processing devices is provided in each room.
The working principle based on fig. 5A and 5B may be correspondingly referred to the description of fig. 1 and 2, and will not be repeated here.
Since the data processing devices in the same lan may be a plurality of working groups, there is no need to exchange data between the working groups based on security requirements. In order to adapt to this situation, referring to fig. 6A to 6D, some embodiments of the present application further provide a wireless transmission system, which includes at least one data processing device 101 and a data device 103 connected to the data processing device 101, where the data processing device 101 includes wireless communication modules 102 connected to the data processing devices 101 one by one, and the data processing devices are set according to a preset distance or a preset position; the at least one data processing device 101 is divided into at least one local area network, the data processing devices 101 in the same local area network are divided into at least one group, and each wireless communication module 102 is set to be in a wireless access mode, wherein the network access conditions of the wireless communication modules 102 in the same group are set to be the same, so that the data device 103 can perform data transmission through any wireless communication module in the same group as the data device. Optionally, the data device is an electronic device supporting wireless communication, specifically, a network system supported by the data device may be 2G, 3G, 4G, 5G, and a subsequent evolution system based on the foregoing network system, and a wireless communication protocol supported by the data device may be WIFI, blueTooth or the like. Optionally, the network access condition may be an account number and a password, or may be a unique identification code or a unique identification service code, etc.
The wireless transmission system provided by the embodiment of the application aims at setting up a wireless local area network by combining a local area network, and setting data processing equipment according to actual needs and preset distances or preset positions, wherein the data processing equipment is divided into at least one local area network, and each data processing equipment can receive data of the data equipment through wireless communication equipment. Because the network access conditions of the wireless communication modules in the same working group are the same, when the wireless communication modules are moved from the wireless area covered by the currently connected wireless communication module to the wireless area covered by other wireless communication modules, the data equipment can be directly connected with the wireless network without re-verification of the network access conditions, and then the data processing equipment is connected with the local area network, so that the method is flexible and convenient, and the stability and the signal quality of the wireless network are improved. According to the embodiment of the application, the data processing equipment in the same local area network is divided into at least one group, so that the data equipment in the same working group can be quickly accessed into the local area network in the wireless area of any wireless communication module in the same group, and the data exchange among the working groups is not needed, thereby not only ensuring the safety of the data of each working group, but also enabling each data equipment of the working group to be quickly accessed into the local area network in the wireless area of any wireless communication module in the same group.
In addition, compared with the difficulty in building a wireless network in a wall body intensive or large-scale equipment intensive application scene in the prior art, the method and the device only need to add a wireless communication module in the data processing equipment, and the difficulty and cost in building the network are reduced.
Optionally, the connection interface between the data processing device and the wireless communication module is at least one of the following: PCI interface, USB interface. The specific hardware form of the wireless communication module can be a USB wireless network card.
In some of the above embodiments, the data processing apparatus includes: and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals between the adjacent data processing equipment. In an alternative embodiment, adjacent data processing devices may be provided where the wireless signal of the current data processing device is attenuated to 60%, it being understood that the degree of attenuation may be specifically set according to actual needs.
In addition, generally, for the non-blocking object and the blocking object between the two data processing devices, according to the different working frequencies, the attenuation degree of the wireless signal has a certain relationship with the distance, so in some alternative embodiments, the preset distance or the preset position can be determined according to the relationship. Optionally, when there is a barrier between adjacent data processing apparatuses, the determining the preset distance or the preset position between the adjacent data processing apparatuses according to the attenuation degree of the wireless signal between the adjacent data processing apparatuses includes:
Determining the attenuation degree of the wireless signal according to the blocking rate of the blocking object to the wireless signal;
and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals.
Optionally, the preset distance or the preset position is determined by taking the wireless signal attenuation of not more than 40% as a requirement.
For example, the relation between the attenuation procedure of the radio signal and the distance is shown in Table 5, with an operating frequency of 2.4GHZ, a transmission power of +10dBm (10 mW), a reception sensitivity of-105 dBm, and an antenna gain of 2 dBi.
TABLE 5
Here, the preset position is sometimes slightly different from the preset distance. For example, each position on a circumference with a preset distance as a radius with respect to the current data processing apparatus as a center may be regarded as a preset position. However, due to factors such as weather temperature, humidity or air, it is possible that the wireless signal received at some positions on the circumference is attenuated to a large extent, and thus the preset position can be determined according to the attenuation degree of the wireless signal received at the circumference.
In other alternative embodiments, when applied to a wall-intensive or room-intensive scene, one of the data processing devices is disposed between oppositely disposed walls or one of the data processing devices is disposed in each room.
The working principle based on fig. 6A to 6D can be correspondingly referred to the description of fig. 3A to 3D, and will not be repeated here.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden. From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (8)

1. The wireless transmission system is characterized by comprising at least one data processing device, wherein the data processing device comprises wireless communication modules which are connected with the data processing devices one by one, and the data processing devices are arranged according to a preset distance or a preset position; wherein, the data processing device includes according to preset distance or preset position setting: determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of wireless signals between the adjacent data processing equipment;
the at least one data processing device is divided into at least one local area network, each wireless communication module is set to be in a wireless access mode, wherein network access conditions of the wireless communication modules in the same local area network are set to be the same, so that external data equipment can transmit data through any wireless communication module in the same local area network with the external data equipment.
2. The wireless transmission system of claim 1, wherein when there is a barrier between adjacent data processing devices, the determining the preset distance or preset position between the adjacent data processing devices according to the degree of wireless signal attenuation between the adjacent data processing devices comprises:
determining the attenuation degree of the wireless signal according to the blocking rate of the blocking object to the wireless signal;
and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals.
3. A wireless transmission system according to any one of claims 1 to 2, wherein when applied to a wall-or room-intensive scene, one of the data processing devices is provided through each wall or one of the data processing devices is provided in each room.
4. The wireless transmission system of claim 1, wherein the connection interface of the data processing device and the wireless communication module is at least one of: PCI interface, USB interface.
5. The wireless transmission system is characterized by comprising at least one data processing device, wherein the data processing device comprises wireless communication modules which are connected with the data processing devices one by one, and the data processing devices are arranged according to a preset distance or a preset position; wherein, the data processing device includes according to preset distance or preset position setting: determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of wireless signals between the adjacent data processing equipment;
The at least one data processing device is divided into at least one local area network, the data processing devices in the same local area network are divided into at least one group, and each wireless communication module is set to be in a wireless access mode, wherein the network access conditions of the wireless communication modules in the same group are set to be the same, so that the external data device can perform data transmission through any wireless communication module in the same group as the external data device.
6. The wireless transmission system of claim 5, wherein when there is a barrier between adjacent data processing devices, the determining the preset distance or preset position between the adjacent data processing devices according to the degree of wireless signal attenuation between the adjacent data processing devices comprises:
determining the attenuation degree of the wireless signal according to the blocking rate of the blocking object to the wireless signal;
and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals.
7. A wireless transmission system according to any one of claims 5 to 6, wherein when applied to a wall-or room-intensive scene, one data processing device is provided through each wall or one data processing device is provided in each room.
8. The wireless transmission system is characterized by comprising at least one data processing device and data devices connected with the data processing device, wherein the data processing device comprises wireless communication modules connected with the data processing devices one by one, and the data processing devices are arranged according to preset distances or preset positions; the at least one data processing device is divided into at least one local area network, each wireless communication module is set to be in a wireless access mode, wherein network access conditions of the wireless communication modules in the same local area network are set to be the same, so that the data device can perform data transmission through any wireless communication module in the same local area network with the data device; or alternatively, the first and second heat exchangers may be,
the system comprises at least one data processing device and data devices connected with the data processing device, wherein the data processing device comprises wireless communication modules connected with the data processing devices one by one, and the data processing device is arranged according to a preset distance or a preset position; the data processing equipment is divided into at least one local area network, the data processing equipment in the same local area network is divided into at least one group, and each wireless communication module is set into a wireless access mode, wherein the network access conditions of the wireless communication modules in the same group are set to be the same, so that the data equipment can perform data transmission through any wireless communication module in the same group with the data equipment;
Wherein, the data processing device includes according to preset distance or preset position setting: and determining a preset distance or a preset position between adjacent data processing equipment according to the attenuation degree of the wireless signals between the adjacent data processing equipment.
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