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Higher Study | Communication Systems | Cellular Networks

Why neighbouring stations are assigned different frequencies in cellular system?
RTT is an effective and quick solution for sending alerts in case of emergencies. Types of text messaging can be email, SMS and instant message. What is the full form of RTT?
Which code with specific characteristics is used in transmission?
Consider the following statements regarding the cellular system/network: 1. Cellular systems use open-loop power control and closed-loop power control. 2. For FDMA system, the capacity of a cable is more as compared to the number of frequency channels allocated to it. 3. A cell has L potential subscribers and is able to handle N simultaneous users. If L > N, then the system is referred to a nonblocking. Which of the above statements are not correct?
Consider the following statements for public circuit-switching network: 1. Private branch exchange (PBX) is an application of circuit switching. 2. A switching centre that directly supports subscribers in known as digital PBX. 3. The link between the subscriber and the network, is also referred to as the local loop. Which of the above statements are correct?
The capacity of a cellular system in fixed area is directly proportional to which of the following?
To resolve and combine multipath components in CDMA system, which of the following is/are used -
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