37.872

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37.872 is a flexible and efficient frequency hopping communications technique developed by Texas Instruments to improve the performance of their wireless communication devices. The technology is also known by the brand name Frequency Hopping Spread Spectrum (FHSS). It uses a digital frequency hopping technique to create a random sequence of spectrum hopping patterns in order to spread the communication signal evenly among the available frequencies. This creates a more resilient signal than conventional non-hopping radios which can be susceptible to interference.

The principle of the frequency hopping technology is quite simple. It works by sending a signal over a range of frequencies at randomly selected intervals. Each frequency is selected randomly from a predetermined list and the signal is transmitted on that frequency for a period of time before the transmitter switches to another frequency on the list. This process is repeated until the full range of frequencies has been used. By randomly selecting the frequency for transmission, the system can spread the signal over multiple frequencies and reduce interference from other radio transmitters in the area.

The main advantages of frequency hopping are improved communication range and reliability. Since the signal is being sent over multiple frequencies, the signal will reach further than a single non-hopping radio. This allows more communication devices to be connected and increases the range of the transmission. Frequency hopping also helps to reduce interference from other devices in the area. By quickly hopping from one frequency to another to send the signal, any interference that may be encountered on one frequency can be avoided.

37.872 is the standard frequency hopping specification used by most wireless communication devices, including Bluetooth and Wi-Fi devices. The specification defines the operation of the frequency hopping radios and provides a guideline for the manufacturers of the radios to follow. The main features of the 37.872 specification are the number of frequencies that the transmitter will be able to transmit on, the speed at which the transmitter will switch frequencies, the synchronization of the transmitter and receiver, and the maximum packet data size.

37.872 is a widely used frequency hopping technique due to its flexibility and efficiency. It provides a reliable and secure communication medium for wireless devices. By hopping from one frequency to another, it reduces interference and allows for a greater range of communication. The standard has been widely used in applications ranging from short range wireless communications, like Bluetooth, to more complex long range wireless communications, like Wi-Fi.

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