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FHSS, frequency hopping spread spectrum technology, under the condition of synchronization and simultaneity, accepts the signals transmitted by narrow-band carriers of a specific type (this specific form has a specific frequency, etc.) at both ends. For a receiver without a specific type, the hop...

OFDM has been proposed in IEEE802.11a. Based on this method of modulation, we need to know what OFDM is to understand the different protocols.  What is OFDM?  OFDM is a special multi-carrier modulation technology. This technology aims to divide a channel into several orthogonal sub-channels, and ...

How to calculate the rate of Wi-Fi 6? First, guess from the beginning to the end:  The transmission rate will be affected by the number of spatial streams. The number of bits each subcarrier can transmit is the number of coded bits per subcarrier. The higher the coding rate, the better. How many ...

First of all, let’s learn about IEEE 802.11ax. In the WiFi alliance, it is called WiFi 6, also known as a high-efficiency wireless local area network. It is a wireless local area network standard. 11ax supports 2.4GHz and 5GHz bands, and can be backward compatible with commonly used protoco...

802.11n needs to be described separately. At present, the mainstream market uses this protocol for WiFi transmission.  802.11n is a wireless transmission standard protocol. It is an epoch-making technology. Its appearance makes the rate of wireless networks increase greatly. In order to improve t...

There are many concepts and protocols involved in wireless networks. In order to give everyone a better idea, I will explain the classification. 1. According to different network coverage, wireless networks can be divided into:  “WWAN” stands for “wireless wide area network.  &...