IEEE Standard for Multiple 2-MHz Communication Channels
Question
Which IEEE standard allows for the use of multiple 2-MHz communication channels within the 2.4-GHz spectrum?
Answers
Explanations
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A. B. C. D. E.B.
The correct answer is B, 802.15.4.
IEEE 802.15.4 is a standard for wireless personal area networks (WPANs) that operate in the 2.4 GHz ISM band. The standard is designed for low data rate, low power consumption, and low-cost wireless connectivity between devices.
The 802.15.4 standard allows for the use of multiple 2-MHz communication channels within the 2.4-GHz spectrum. This is achieved by using a frequency-hopping spread spectrum (FHSS) technique, which enables the wireless devices to hop between different frequency channels in a random sequence.
By using multiple 2-MHz channels, the 802.15.4 standard provides improved reliability and robustness in environments with high levels of interference. It also enables the coexistence of multiple wireless networks in the same area without causing interference to each other.
In summary, the 802.15.4 standard is designed for low-power, low-data-rate wireless connectivity in the 2.4-GHz ISM band and allows for the use of multiple 2-MHz communication channels through frequency hopping spread spectrum (FHSS) technique.
