CN105725975A - Selection method of remote real-time psychological and physiological information collection data transmission channel - Google Patents

Abstract

The invention discloses a method for selecting a remote real-time psychological and physiological information collection data transmission channel, which includes the following steps: S1, collecting the physiological and psychological characteristic data of disaster victims or rescuers through a collection terminal; S2, automatically searching for the location where the collection terminal is located available wireless network in the environment; S3, according to different situations, automatically select the data transmission channel according to the priority strategy and delay strategy; and S4, through the cellular network and/or self-organized Bluetooth mesh network The data of physiological and psychological characteristics are transmitted to the monitoring center behind the rescue site. Beneficial effects of the present invention: the present invention can solve the matching of the best mode for transmitting the health status data of rescuers to monitoring centers at different distances in different rescue scenarios.

Description

Selection method of remote real-time psychological and physiological information collection data transmission channel

technical field

The invention relates to the technical field of emergency rescue and wireless communication, in particular to a method for selecting a data transmission channel for remote real-time psychological and physiological information collection.

Background technique

China is one of the countries with frequent natural disasters in the world. In the process of rescue and relief, rescuers are faced with high work intensity and psychological pressure. They must keep abreast of their physical and psychological conditions in order to provide timely medical assistance. However, due to the limitation of disaster site conditions, there is often a lack of professional equipment and medical personnel. Telemedicine is usually used to evaluate the psychological and physical conditions of rescuers, that is, to collect data through medical terminals, and then transmit these data to the rear for further analysis. processing and analysis. After the medical terminal collects the psychological and physiological information data of the on-site rescuers, an appropriate channel should be selected for transmission. The existing telemedicine channel selection schemes either have certain defects, or cannot be well applied to special situations (such as earthquakes, landslides), so that data transmission cannot be both fast and accurate. The following describes the technologies that may be used in existing solutions:

1. Use a single cellular mobile communication to transmit data

Cellular mobile communication (such as GPRS, WCDMA, LTE, etc.) can be applied to most rescue scenarios, and has a wide coverage, fast transmission rate, and strong reliability. However, when catastrophic disasters such as earthquakes and landslides occur, the communication base station is damaged and the cellular mobile communication connection is interrupted. At this time, the tracking of the psychological and physical conditions of the rescuers will also be interrupted.

2. Two communication methods, cellular system and Wi-Fi, are used to transmit data

This solution adds Wi-Fi access function on the basis of cellular mobile communication. The transmission speed of Wi-Fi is very fast, the equipment is easy to install, and the effective distance is also long. For civil data services, Wi-Fi can be used as a supplement to cellular mobile communication. But the disadvantage of Wi-Fi is that the communication quality is not very good and the security is not high. If the transmitted data involves military information, Wi-Fi is not applicable.

3. Use manual selection network mechanism

This mechanism is suitable for most rescue scenarios, but it is not flexible enough, and it needs to go through a manual process every time it is used. And the manually selected transmission channel is not necessarily the most suitable in the current environment.

Contents of the invention

Based on the above problems, the present invention provides a method for selecting transmission channels for remote real-time psychological and physiological information collection data, solving the problem of automatic selection of multiple transmission modes in different rescue environments, so as to select the best channel in this environment for data transfer.

In order to realize the purpose of the present invention, the present invention takes the following technical solutions:

A method for selecting a data transmission channel for remote real-time psychological and physiological information collection, comprising the following steps:

S1. Collect the physiological and psychological characteristic data of the disaster victims or rescuers through the collection terminal;

S2. The acquisition terminal automatically searches for available wireless networks in the environment;

S3. According to different situations, automatically select the data transmission channel according to the priority strategy and the delay strategy respectively; and

S4. Transmitting the data of physiological and psychological characteristics of the victims or rescuers to the monitoring center behind the rescue site through the cellular network and/or self-organized Bluetooth mesh network.

The cellular network mobile communication of the present invention adopts a cellular wireless networking mode, and a terminal and a network device are connected through a wireless channel, so that users can communicate with each other during activities. Its main feature is the mobility of the terminal, and it has the functions of handover and automatic roaming across local networks. And today, when cellular mobile communication is relatively developed, wireless communication signals have achieved coverage in most areas. Especially now that 4G technology is quite mature, and the data transmission rate can reach 20Mbps. Under the condition that the communication base station and the optical cable are not damaged, it is more effective and feasible to use the cellular communication network for data transmission.

Bluetooth is a radio technology that supports short-range (10m~70m) communication between devices. The technology has low power consumption, and its application is simple and easy to implement. Compared with Wi-Fi, Bluetooth communication has better transmission quality and stronger security. In the Mesh network formed by Bluetooth, any wireless device node can act as an access point and a router at the same time, each node in the network can send and receive signals, and each node can communicate with one or more peer nodes for direct communication. The biggest advantage of this structure is that if the nearest access point is congested due to excessive traffic, the data can be automatically rerouted to a neighboring node with less traffic for transmission. Due to the simplicity of Bluetooth devices and the ease of deployment and flexible structure of the mesh network, in the event of an emergency, the Bluetooth mesh network can be quickly established, buying time for disaster relief.

The collection terminal and the monitoring center are outside the line of sight, and the collection terminal automatically selects the network based on the priority policy. In disasters such as earthquakes, landslides, and fires in cities, the monitoring center cannot be located at the disaster site, and will keep a certain distance from the site. Since the delay and range of Bluetooth transmission are quite different from those of the cellular mobile network, the performance of the two transmission modes will also be quite different when they are in the same environment. For example, in an urban environment, if some disasters and dangers occur, it is obviously more convenient to use cellular networks for data transmission because the communication infrastructure is basically intact; while in earthquake-prone areas, communication base stations and optical cables are damaged, because Bluetooth can realize Fast networking is obviously better than cellular mobile communications relying on base stations. By setting priorities for optional networks, the problem of network adaptive selection in different environments can be solved. The general steps are as follows:

1) Collect the physiological and psychological characteristic data of disaster victims or rescuers through the collection terminal;

2) The acquisition terminal automatically searches for available wireless networks in the environment;

3) According to information such as signal transmission rate and transmission quality, the priority of each available network is obtained through comprehensive processing;

4) According to the priority determined by the system, the network with the highest priority is automatically selected as the transmission channel.

The collection terminal and the monitoring center are within the line-of-sight range, and the collection terminal automatically selects the network based on the delay strategy. This situation generally occurs in a small-scale disaster, and the monitoring center is located near the disaster site. At this time, because the distance between the collection terminal and the monitoring center is too close, there will not be much performance difference between the two transmission modes, and the priority strategy is not applicable in this case. For example, if a major shipwreck occurs on a less-traveled riverside, the monitoring center will be located at the rescue site. Since the construction of cellular communication base stations in this area is relatively sparse, the effect (transmission rate and quality, etc.) of transmitting data through the cellular mobile network and the Bluetooth mesh network is very small, and it is difficult for the system to obtain the priority of the network. At this point, a delay-based strategy is used to solve this problem. The delay parameters of the optional network are processed by the system, and the network is adaptively selected for transmission according to the delay. The general steps are as follows:

1) Collect the physiological and psychological characteristic data of rescuers through the collection terminal;

2) The acquisition terminal automatically searches for available wireless networks in the environment;

3) According to information such as signal transmission rate and transmission quality, the priority of each available network is obtained through comprehensive processing;

4) If the system determines that there is almost no difference in the priority of each network, the change strategy is to process and obtain the delay of each available network;

5) According to the delay parameter judged by the system, the network with the smaller delay parameter is automatically selected as the transmission channel.

Beneficial effects of the present invention: the present invention can solve the matching of the best mode for transmitting the health status data of rescuers to monitoring centers at different distances in different rescue scenarios.

Description of drawings

Fig. 1 is a block diagram of the process of automatically selecting a network based on a priority policy by an acquisition terminal according to an embodiment of the present invention;

Fig. 2 is a block diagram of a process for automatically selecting a network based on a delay policy by an acquisition terminal according to an embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

A method for selecting a data transmission channel for remote real-time psychological and physiological information collection described in the embodiment of the present invention, according to different situations, automatically selects a data transmission channel according to a priority strategy and a delay strategy, and the specific introduction is as follows:

Embodiment 1: The acquisition terminal automatically selects the network based on the priority strategy, and the flow chart is shown in Figure 1: the specific process is as follows:

(1) Firstly, the collection terminal searches for available networks and obtains all available network information;

(2) Determine whether there is an available cellular network or Bluetooth mesh network, and if not, terminate the process;

(3) Determine whether the network resource is unique, that is, whether there is only a cellular network or a Bluetooth mesh network in the optional network. If it is unique, return the authentication information of this network, and select this network as the data transmission channel;

(4) If the cellular network and the Bluetooth mesh network exist at the same time, obtain the authentication information of the cellular network and the Bluetooth mesh network respectively;

(5) The cloud platform processes and obtains the priority parameters of each network, and associates this parameter with the corresponding network;

(6) Determine whether all network resource information has been processed. If the processing is not completed, return to step (5);

(7) If the processing has been completed, the priority strategy is adopted to select the network with the largest priority parameter for transmission;

(8) Select End.

Embodiment 2: The acquisition terminal automatically selects the network based on the delay strategy, and the flow chart is shown in Figure 2: the specific process is as follows:

(1) Firstly, the collection terminal searches for available networks and obtains all available network information;

(2) Determine whether there is an available cellular network or Bluetooth mesh network, and if not, terminate the process;

(3) Determine whether the network resource is unique, that is, whether there is only a cellular network or a Bluetooth mesh network in the optional network. If it is unique, return the authentication information of this network and select this network as the data transmission channel;

(4) If the cellular network and the Bluetooth mesh network exist at the same time, obtain the authentication information of the cellular network and the Bluetooth mesh network respectively;

(5) The cloud platform processes and obtains the priority parameters of each network, and compares them;

(6) If the priority parameters differ greatly, execute the priority strategy;

(7) If the priority parameters are very similar, the cloud platform processes and obtains the delay parameters of each network and associates them with the corresponding networks;

(8) Determine whether all network resource information has been processed. If the processing is not completed, return to step (5);

(9) If the delay strategy has been processed, select the network with the smallest delay parameter for transmission;

(10) Select End.

Having described preferred embodiments of embodiments of the present invention, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, the appended claims are intended to be construed to cover the preferred embodiment and all changes and modifications which fall within the scope of the embodiments of the present invention.

Claims (9)

1. a remotely psychological system of selection with physiology information detecting data transmission channel in real time, it is characterised in that comprise the following steps:

S1, gathered physiology and the psychological peculiarity data of disaster affected people or rescue personnel by acquisition terminal；

Wireless network available under S2, acquisition terminal automatic searching local environment；

S3, according to different situations, automatically select data transmission channel according to priority policy and time delay strategy respectively；With

S4, it is transferred to the Surveillance center at rear, rescue ground by the bluetooth mesh network of cellular network and/or the self-organizing physiology by disaster affected people or rescue personnel and psychological peculiarity data.

2. the remotely psychological system of selection with physiology information detecting data transmission channel in real time according to claim 1, it is characterized in that, when acquisition terminal and Surveillance center are outside horizon range, data transmission network is automatically selected by acquisition terminal based on priority policy.

3. the remotely psychological system of selection with physiology information detecting data transmission channel in real time according to claim 1, it is characterized in that, when acquisition terminal and Surveillance center are within horizon range, data transmission network is automatically selected by acquisition terminal based on time delay strategy.

4. the remotely psychological system of selection with physiology information detecting data transmission channel in real time according to claim 2, it is characterised in that farther include:

According to signal transmission rate and transmission quality information, integrated treatment obtains the priority of each available network；

According to the priority that system judges, automatically select the high network of priority as transmission channel.

5. the remotely psychological system of selection with physiology information detecting data transmission channel in real time according to claim 3, it is characterised in that farther include:

According to signal transmission rate and transmission quality information, integrated treatment obtains the priority of each available network；

If the system determine that the priority of each network is almost without difference, vary one's tactics as processing the time delay obtaining each available network；

According to the delay parameter that system judges, automatically select the less network of delay parameter as transmission channel.

6. the remotely psychological system of selection with physiology information detecting data transmission channel in real time according to claim 1, it is characterised in that specifically include following steps:

(1) network that first acquisition terminal search is available, obtains all available network informations；

(2) spendable cellular network or bluetooth mesh network are judged whether, as being absent from then termination process；

(3) judge that Internet resources are whether unique, if uniquely, then return the authentication information of this network, and to select this network be data transmission channel；

(4) if there is cellular network and bluetooth mesh network simultaneously, then the authentication information of cellular network and bluetooth mesh network is obtained respectively.

7. the remotely psychological system of selection with physiology information detecting data transmission channel in real time according to claim 6, it is characterised in that further comprising the steps；

(5) cloud platform processes the priority parameters obtaining each network, and by this parameter and corresponding network associate；

(6) judge whether that all-network resource information is processed complete, if untreated complete, then return step (5)；

(7) if processed complete, then adopt priority policy, select the network with greatest priority parameter to be transmitted.

8. the remotely psychological system of selection with physiology information detecting data transmission channel in real time according to claim 6, it is characterised in that further include steps of

(5) cloud platform processes the priority parameters obtaining each network, and contrasts；

(6) if priority parameters differs greatly, then execution priority strategy.

9. the remotely psychological system of selection with physiology information detecting data transmission channel in real time according to claim 8, it is characterised in that further include steps of

(7) if priority parameters is very close, then cloud platform process obtain each network delay parameter, and with corresponding network associate；

(8) judge whether that all-network resource information is processed complete, if untreated complete, then return step (5)；

(9) if processed complete, adopt time delay strategy, select the network with minimal time delay parameter to be transmitted.