Method and computer-readable storage medium for wireless gateway overlay calling wireless network node

Abstract

The invention discloses a method and a computer-readable storage medium for a wireless gateway to cover and call a wireless network node. After the wireless network node wakes up, it performs wireless signal detection with inherent communication parameters; if a wireless signal frame is detected, the wireless network node receives the wireless signal frame. Signal frame and perform corresponding operations according to data frame requirements; otherwise, enter the next sleep cycle; the working cycle of the wireless gateway is t, which includes the preamble time t 1 , data frame time t 2 and sleep period time t 3 , that is, t=t 1 +t 2 +t 3 ; m is the number of coverage calls, and the initial value of m is 0; the working mode of the wireless gateway is as follows: Step 1. The wireless gateway continuously works n times according to the t period; Step 2. m=m+1, determine the number of coverage calls m and Delay time t d Whether the product of t is greater than or equal to t; Step 3. If so, the entire call process ends; otherwise, the delay time t d , and return to step 1. After adopting this method, the wireless gateway can actively call all wireless network nodes within its signal range.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a method for a wireless gateway to cover calling a wireless network node and a computer-readable storage medium. Background technique [0002] With the development of wireless technology, wireless communication has been widely used. The current low-power wireless device networking methods basically have the following two methods: one method is that the wireless gateway is always in a receiving state at a fixed frequency point, and the wireless network node periodically sends wireless signals at the same frequency point, actively Looking for a wireless gateway that can be networked; another way is that the wireless gateway sends a wireless signal and seeks a node for networking. The sleep period of the wireless network node must be less than the preamble time of the gateway wireless signal before it can be woken up by a reliable call from the gateway. Both of th...

AI Technical Summary

Problems solved by technology

Both of these methods have disadvantages: the former method brings troubles to the success rate of networking and network communication due to the presence of concurrent signals from network nodes; The signal time limit is stricter (for example, the original requirement is 5 seconds, and now 1 second is advocated). Only when the sleep cycle of the wireless network node is shortened, the gateway can reliably wake up the call, which brings huge challenges to the low power consumption of the wireless network node. challenge

Images