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1. Explain the Cellular Concept for Mobile Wireless Networks as developed in 1978. Which physical constraint lead to the development of the Cellular concept. Which

1. Explain the Cellular Concept for Mobile Wireless Networks as developed in 1978. Which physical constraint lead to the development of the Cellular concept. Which physical features leads to the requirement of using not-adjacent frequency in adjacent cells.

2. A major feature of 2/3/4/5G cellular network is the support of mobility while calling or transmitting data. Name and explain the two major concepts that are used to provide seamless continuity for the transmission when moving around the service area of the network.

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