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In this new era of life, where technology covers our life from the early morning to late night, cybercrime is becoming more developed and challenging for the systems designers. The reason is reflected in the increased number of ways used by criminals. Cloud computing systems are natural goals due to their complexity and increasing popularity. The Cloud system provides an environment with a big number...
Multiple access channel is a well-known communication model that deploys properties of many network systems, such as Aloha multi-access systems, local area Ethernet networks, satellite communication systems, packet radio networks. The fundamental aspect of this model is to provide efficient communication and computation in the presence of restricted access to the communication resource: at most one...
We are given n stations of which k are active, while the remaining n - k are asleep. The active stations communicate via a multiple-access channel. If a subset Q of active stations transmits in the same round, all active stations can recognize from the signal strength how many stations have transmitted (i.e., they learn the size of set Q), even though they may not be able to decode the contents of...
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