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exlanation of fhss block diadram
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Difference between Frequency hopping spread spectrum and direct sequence spread spectrum?
Spelling difference.... :)
What is the signaling method used by Bluetooth?
FHSS(Frequency Hopping Spread Spectrum)
What are the Four primary technologies in which wireless lans uses in transmitting and receiving data?
a. Direct sequence spread spectrum (DSSS). b. Frequency hopping spread spectrum (FHSS). c. Infrared d. Orthogonal frequency division multiplexing(OFDM)
What is the frequency blue tooth runs on?
Bluetooth technology operates in the unlicensed industrial, scientific and medical (ISM) band at 2.4 to 2.485 GHz, using a spread spectrum, frequency hopping.
What feature does the SINCGARS use to reduce the threat of jamming and minimize the use of direction-finding equipment to establish your location?
SINCGARS uses frequency hopping spread spectrum (FHSS) technology to reduce the threat of jamming. FHSS allows the radio to hop between different frequencies in a predetermined pattern, making it harder for adversaries to jam the signal. This technology also helps minimize the need for direction-finding equipment by providing secure and reliable communication.
Spread spectrum techniques fhss and dsss?
"Direct Sequence Spread Spectrum (DSSS)DSSS multiplies the data bits by a very fast pseudo-random bit pattern (PN sequence) that "spreads" the data into a large coded stream that takes the full bandwidth of the channel. DSSS is the basis for CDMA cellphones and 802.11 Wi-Fi wireless transmission. For a technical example of DSSS technology, see cdma.Frequency Hopping Spread Spectrum (FHSS)FHSS continuously changes the center frequency of a conventional carrier several times per second according to a pseudo-random set of channels, while chirp spread spectrum changes the carrier frequency. Because a fixed frequency is not used, illegal monitoring of spread spectrum signals is extremely difficult, if not downright impossible depending on the particular method. FHSS is the transmission technology in Bluetooth. See integrated-business-systems-and-services-inc, wifiand bluetooth."From spread-spectrum
What is fast frequency hopping?
This is also known as spread spectrum. It's a method of encoding a signal using a changing carrier frequency. FM radio is incoded using a single carrier frequency which is varied slightly to encode the information. Think of frequency hoping as FM, but with the carrier changing quickly. So instead of staying on 88.1, the signal starts on 88.1, then jumps to 95.2, then to 101.3, then to 81.5, etc. etc. Each transmitting and receiving device knows the pattern of carrier jumps, so it knows where to look for the information. This is how bluetooth works.
Can you describe the fhss and dsss spread spectrum technologies?
"Direct Sequence Spread Spectrum (DSSS)DSSS multiplies the data bits by a very fast pseudo-random bit pattern (PN sequence) that "spreads" the data into a large coded stream that takes the full bandwidth of the channel. DSSS is the basis for CDMA cellphones and 802.11 Wi-Fi wireless transmission. For a technical example of DSSS technology, see cdma.Frequency Hopping Spread Spectrum (FHSS)FHSS continuously changes the center frequency of a conventional carrier several times per second according to a pseudo-random set of channels, while chirp spread spectrum changes the carrier frequency. Because a fixed frequency is not used, illegal monitoring of spread spectrum signals is extremely difficult, if not downright impossible depending on the particular method. FHSS is the transmission technology in Bluetooth. See integrated-business-systems-and-services-inc, wifiand bluetooth."From spread-spectrum
What is spread spectrum radio?
Spread spectrum radio is a communication technique that spreads the signal over a wide frequency band. It enhances signal security, reduces interference, and improves signal quality by using a larger portion of the frequency spectrum. This technology is commonly used in wireless communication systems like Bluetooth and Wi-Fi.
What is for solving degrees of interference?
To solve degrees of interference, you can use techniques like signal filtering, frequency hopping, spread spectrum modulation, or error correction codes. Additionally, implementing directional antennas, power control, and frequency reuse can help reduce interference in wireless communication systems. It's important to choose the right technique based on the specific interference challenges you are facing.
What is the effect of varying frequency of the carrier signal on the AM wave?
spread spectrum , modulation or depending on the bandwidth poss FM (deviation)
Explain the difference between slow FHSS and fast FHSS?
Slow frequency-hopping spread spectrum (FHSS) systems hop between frequencies at a lower rate, typically around 1-5 hops per second, while fast FHSS systems hop at a higher rate, often over 20 hops per second. The main difference lies in the speed of frequency hopping, with fast FHSS providing increased resistance to interference and higher data transmission rates compared to slow FHSS systems.
