Baseband transmission pdf

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Review the best Reviews from our people. Some people have given a good evaluation to the eBook. Immediate download totally free Digital Baseband Transmission and Recording e-book and also get the compilations of many others favored e-book. Answer Detailed Solution Below Option 3 :. Concept: The shown bock diagram will be considered as the receiver in digital communication.

Answer Detailed Solution Below Option 3 : 10 Reduced errors Increased bandwidth Reduced terminal size All of above. Concept: Channel coding adds redundant bits to the transmitted bitstream, which are used by the receiver to correct errors introduced by the channel, which allows for a reduction in transmit power to achieve a given target BER Bit Error Rate and prevents retransmissions. These error-correcting capabilities are obtained at the expense of increased signal-bandwidth or a lower data rate.

Answer Detailed Solution Below Option 1 :. Therefore, to minimize the probability of error, maximize the energy of the signal E. For matched Filter The output has a duration that is twice the duration of the input signal due to convolution and its peak value is the energy of the input signal Application: Since p t is a uniform signal, T s time long, the matched filter h f will also be T s time long.

Note : It is the rule that is always followed by outputs of matched filters. The output has a duration that is twice the duration of the input signal due to convolution and its peak value is the energy of the input signal.

Matched Filter : Matched Filter is used to produce an output in such a way that it maximizes the ratio of the output peak power to the mean noise power in its frequency response. The frequency response of Magnitude and phase angle of the Matched Filter varies uniformly with frequency.

The impulse response of the matched filter depends upon the signal shape. It is the mirror image of the received signal about a time instant. The Characteristics of the matched filter are matched with the transmitted data.

Matched Filter measures the correlation between incoming received message and its impulse response. Important Points : A time delay is necessary for the specification of the filter for reasons of physical realizability since there can be no output from the filter until the signal is applied.

This phase shift varies uniformly with frequency. Its effect is to cause a constant time delay. Answer Detailed Solution Below Option 3 : strictly negative. The clocking is derived from the data in synchronous transmission The clocking is mixed with the data in asynchronous transmission The pulse height is different The bandwidth required is different.

Answer Detailed Solution Below Option 1 : The clocking is derived from the data in synchronous transmission. Concept: If the signal-to-noise ratio SNR is maximized at the output of the filter then the filter is matched fi Analysis: The SNR is maximum when the filter is matched to the input signal. Shielded twisted pair cable Coaxial cable Unshielded twisted pair cable Optical fiber cable. Concept: Transmission media can be divided into two categories: guided and unguided. Explanation: Twisted pair cable : It consists of two conductors each with its own plastic insulation.

Coaxial cable: It carries signals of higher frequency. Fiber-optic cable: These are made of glass or plastic and transmits the signal in the form of light. Answer Detailed Solution Below Option 3 : become a prototype section. Example : Used to transmit cable TV to premises. No Baseband Transmission Broadband Transmission 1.

In baseband transmission, the type of signalling used is digital. In broadband transmission, the type of signalling used is analog. Baseband Transmission is bidirectional in nature. Broadband Transmission is unidirectional in nature. Signals can only travel over short distances. Signals can be travelled over long distances without being attenuated. It works well with bus topology. It is used with a bus as well as tree topology. In baseband transmission, Manchester and Differential Manchester encoding are used.

Only PSK encoding is used. Previous Analog to Analog Conversion Modulation. Next Design Issues in Physical Layer. Recommended Articles. Article Contributed By :. Namrata Bisht. Easy Normal Medium Hard Expert.