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What else can I help you with?
What is OFDM training symbol?
Orthogonal frequency-division multiplexing (OFDM) is a method of encoding digital. Pilot signals and training symbols (preambles) may also be used for time.
Why fft in ofdm?
Fast Fourier Transform (FFT) is used in Orthogonal Frequency Division Multiplexing (OFDM) to efficiently convert data from the time domain to the frequency domain. This allows for the simultaneous transmission of multiple signals over different subcarriers, maximizing bandwidth efficiency and minimizing interference. FFT reduces the computational complexity of the required discrete Fourier transform, making it feasible for real-time applications. Overall, FFT is crucial for achieving the high data rates and robustness that characterize OFDM systems.
What is the frequency range used in wireless communication?
2.4GHz is used & OFDM
What are the methods of isi mitigation?
The methods of ISI mitigation are 1- Adaptive Equalization 2- DS-Spread Spectrum 3- OFDM 4- Directional Antennas Hope this helps you. Regards Fahad
How the OFDM signals are generated?
alam niyo kung sino man ang sumasagot katanungan na narito please stop kasi kami humihingi kami ng sagot yung tmang sagot sayang ang pera na aming ibinabayad so please stop.
What is SISO-OFDM?
SISO-OFDM is an OFDM system with one transmit and one receive antenna.
How many sub channels does OFDM use for carrying data?
OFDM uses 48 subchannels for data and 4 are used as Pilot Carriers.
What is loss of orthogonality means in OFDM technology?
In OFDM, sub-carrier spacing is maintained in such a way that the maximum of one sub-carrier occurs at the minimum of the successive sub-carrier, a loss of orthogonality results if this pattern is not achieved in the sub-carriers of OFDM transmission. Loss of orthogonality is due to ISI, ICS, Frequency offset amongst the sub-carriers of OFDM.
How you eliminate inter symbol interference in ofdm?
Inter symbol interference (ISI) in OFDM systems can be minimized by using a cyclic prefix. This involves adding a copy of the end of each OFDM symbol to the beginning before transmission. The cyclic prefix helps to mitigate the effects of multipath fading and reduces ISI by allowing the receiver to separate the OFDM symbols with a guard interval.
What encoding or modulation technology does 802.11 a use?
OFDM
What encoding or modulation technology does 802.11a use?
OFDM
Can you do successive interference cancellation SIC in OFDM?
yes
What is meant by the term OFDM?
OFDM means Orthogonal frequency-division multiplexing. This is a method on encoding data which in digital television and radio. It is also used on 4G networks.
What is ofdm symbol?
Orthogonal frequency-division multiplexing (OFDM) is a method of encoding digital. Pilot signals and training symbols (preambles) may also be used for time.
What is OFDM training symbol?
Orthogonal frequency-division multiplexing (OFDM) is a method of encoding digital. Pilot signals and training symbols (preambles) may also be used for time.
What is channel estimation in OFDM?
Channel estimation in Orthogonal Frequency Division Multiplexing (OFDM) refers to the process of estimating the characteristics of the communication channel through which the OFDM signals are transmitted. This estimation is crucial for accurately recovering the transmitted data, as it allows the receiver to compensate for the effects of multipath fading and frequency-selective fading inherent in wireless channels. Techniques such as pilot symbols and training sequences are often used to aid in the estimation process. Accurate channel estimation helps improve the overall performance and reliability of the OFDM system.
What is OFDM- based networks?
OFDM-based Broadband Wireless Networks covers the latest technological advances in digital broadcasting, wireless LAN, and mobile networks to achieve high spectral efficiency, and to meet peak requirements for multimedia traffic. The book emphasizes the OFDM modem, air-interface, medium access-control (MAC), radio link protocols, and radio network planning.
