Data transmission method and device in a wireless communication network
A technology of wireless communication network and data transmission method, which is applied in the field of communication and can solve problems such as large randomness of data.
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Embodiment 1
[0188] Stress sensors are arranged on the bridge at an interval of 5 meters, and a measurement value is generated every 5 seconds. The wireless communication module of the sensor adopts the LTE system. The coverage radius of an LTE base station is planned to be 100 meters, and there are 40 stress sensors in the coverage area. device. Each bridge is 20 meters long.
[0189] In the case of no car passing, the data measured by the 40 stress sensors are: [A,B,B,A,A,B,B,A,A,B,B,A,A,B,B, A,A,B,B,A,A,B,B,A,A,B,B,A,A,B,B,A,A,B,B,A,A,B,B,A, ], where A is the measured value near the bridge pier, B is the measured value near the middle section of the bridge, B is usually greater than A, and the stress will change slowly with temperature, ground subsidence and other factors, but generally speaking, in most vehicle-free During the elapsed time, the data of 40 stress sensors showed the above rules.
[0190] According to this rule, two methods can be used to optimize radio resources.
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Embodiment 2
[0204] Referring to the scenario in Example 1, this example describes the implementation process of Method 2, that is, among the 40 sensors, 20 of the sensors report data of A, and 20 of the sensors report data of B, and the base station can Select one sensor to report data in the two groups of sensors with the same reported data, and the other 38 sensors stop reporting data, and the base station calculates the data of other sensors according to the reported data of the selected sensor;
[0205] See the process for details Figure 5 , including steps 401-408:
[0206] Step 401: The base station receives the reported data of 40 stress sensors within the coverage area, removes the control plane data (link layer / network layer / transport layer control plane data) in the data packet, and extracts valid user plane data for further processing. statistics;
[0207] Step 402: During the time period when no vehicle passes by, the base station finds that the same probability of the user...
Embodiment 3
[0215] Stress sensors are arranged on the bridge at intervals of 10 meters, and a measurement value is generated every 5 seconds. The wireless communication module of the sensor adopts the LTE system. The coverage radius of an LTE base station is planned to be 100 meters, and there are 20 stress sensors in the coverage area. device. Each section of the bridge is 50 meters long.
[0216] In the case of no car passing, the data measured by the five stress sensors in a section of the bridge conform to the sinusoidal distribution law: [A+K*sin(C1), A+K*sin(C2), A+K*sin (C3),A+K*sin(C4),A+K*sin(C5)], where A,K are non-zero offsets and scale factors, and the A,K values of the 5 stress sensors are always maintained Similarly, the measured data of these 5 stress sensors also conform to a stable curve distribution, and the shape of the data distribution curve measured by 20 stress sensors can be referred to Figure 3(a).
[0217] For this scenario, the implementation process is as f...
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