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A data transmission method and wireless terminal equipment

A wireless terminal and data transmission technology, applied in digital transmission system, transmission system, error prevention, etc., can solve the problem of high data error rate, achieve the effect of reducing error rate, good adaptability, and wide application range

Active Publication Date: 2020-07-10
HISENSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, since the number of retransmissions and the time interval of retransmissions in this method are set in advance and cannot be changed, the data sent by the geomagnetic terminal will still have a high error rate under different network conditions. technical problem

Method used

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  • A data transmission method and wireless terminal equipment
  • A data transmission method and wireless terminal equipment
  • A data transmission method and wireless terminal equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0093] Assuming that the wireless terminal device A is used to monitor the use of a certain parking space in the parking lot, the wireless terminal device A includes at least a geomagnetic sensor and an NB wireless module.

[0094] The geomagnetic sensor detects that a car is parked in the current parking space at 9:05, and after the wireless terminal device A collects the first data at 9:05 through the geomagnetic sensor, it sends the first data 9:05 to the NB wireless module at 9:05:25 , however, within 20 seconds of the preset duration (that is, within 9:05:25 to 9:05:45), if the wireless terminal device does not receive the feedback information returned by the NB wireless module based on the first data, it can be determined that the NB wireless The module is in deep sleep state. At this time, it is only necessary to send the first data to the NB wireless module again according to the preset retransmission time interval of 23 ms.

[0095] When the wireless terminal device ...

Embodiment 2

[0098] Assuming that the wireless terminal device B is used to monitor the use of a certain parking space in the parking lot, the wireless terminal device B includes at least a photoelectric sensor and a 2G wireless module.

[0099]The photoelectric sensor detects that a car is parked in the current parking space at 9:35, and the wireless terminal device B will send the first data collected at 9:35 to the 2G wireless module at 9:35:15. (that is, within 9:35:15 to 9:35:50), the wireless terminal device B receives the feedback information of the first data at 9:35:46, which is the information representing the failure of sending the first data, then at this time the wireless terminal Device B may determine that the 2G wireless module is in a deep sleep state. At this time, it is only necessary to send the first data to the NB wireless module again according to the preset retransmission time interval of 23 ms.

[0100] When the wireless terminal device B is activated, any method ...

Embodiment 3

[0103] Assuming that the wireless terminal device C is used to monitor the usage of a certain parking space in the parking lot, the terminal device C includes at least a Hall sensor and a WIFI wireless module.

[0104] The Hall sensor detects that there is a car leaving the current parking space at 19:35. The wireless terminal device C will collect the first data at 19:35 and send it to the WIFI wireless module at 19:35:15. However, within 15 seconds of the preset time ( That is, within 19:35:15 to 19:35:30), the wireless terminal device C receives the response information that the first data is received successfully at 19:35:26, and the wireless terminal device C can determine that the WIFI wireless module is not in the Deep sleep state, no need to retransmit the first data 19:35.

[0105] The wireless terminal device C sends the first data to the central control room of the parking lot at 19:35, and the central control room enters the first data into the system and displays ...

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Abstract

The invention discloses a data transmission method and wireless terminal equipment which are used for decreasing the error rate of data transmission. The method is applied to the wireless terminal equipment and comprises the steps that first data is sent to a wireless module, wherein the first data comprises the parking time, acquired by a sensor, of a vehicle at the current parking space, and thewireless terminal equipment comprises the sensor and the wireless module; whether or not the wireless module is in a deep dormancy state is judged on the basis of the receiving condition of feedbackinformation of the first data; and when the wireless module is in the deep dormancy state, the first data is sent to the wireless module again on the basis of a preset retransmission time interval.

Description

technical field [0001] The invention relates to the field of intelligent management, in particular to a data transmission method and wireless terminal equipment. Background technique [0002] With the increasing number and scale of smart parking lots, smart parking lots need to monitor the usage of parking spaces in real time, so as to carry out reasonable scheduling management according to the usage of parking spaces. [0003] Due to the current smart parking lot, the monitoring of the usage of parking spaces is usually realized through the geomagnetic terminal equipment composed of geomagnetic sensors and wireless modules. In the monitoring process, in order to reduce the power consumption of the geomagnetic terminal, the wireless module is usually put into a deep sleep state when there is no need to send data. [0004] However, after the wireless module enters the deep sleep state, it will cancel the registration status with the current network and disconnect the network...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/16H04L1/18
CPCH04L1/1607H04L1/1887
Inventor 阙远
Owner HISENSE