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Higher Study | Communication Systems | Fundamentals of Error Correction

What is the value of the signaling tone database which signals call termination by the subscriber?
What is the hamming distance between the codes '11001011' and ‘10000111'
Which of the following codes uses a number of parity bits located at certain positions in the codeword and uses the relations between redundancy bits and the data bits?
If one of the code words of a Hamming (7, 4) code is 0001011, which of the following cannot be the valid codeword in the same group?
Which of the following regarding cellular system. with small cells are correct? 1. Higher capacity and robustness 2. Needle transmission power and have to deal with local interference only 3. Frequency planning and infrastructure needed 4. That requires both circuit switching and packet switching Select the correct answer using the code given below. 
Which of the following statements are correct regarding CDMA? 1. It is similar to GSM. 2. It allows each station to transmit over the entire frequency spectrum all the time. 3. It assumes that multiple signals add linearly. Select the correct answer using the code given below.
Which one of the following mode is called a two-way simultaneous, communication between two stations
A seven-bit Hamming code is received as 1111101. What is the correct code?
What does CDMA stand for?
Which of the following channel coding scheme helps in correcting burst errors?
Which technique is used for allocating capacity on a satellite channel using fixed assignment FDM?
Which system allows the entire bandwidth to be available to each user at the same time?
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