… of coverage of the mobile user through Femto Access Point (… cognitive-femtocell networks
in future generation networks, … In this paper, we contemplate the DL spectrum sharing issue, …

… Opportunistic spectrum access by femtocell using cognitive … the coverage area of MIMO but
not the cognitive femtocell are … an emerging technology for future wireless communication [43…

… prompted network operators to target a broader range of future use … opportunistic usage of
the unused portions of the spectrum, … for future multicast communications in cellular networks. …

… future, such a technology will be widely developed that will increase the use of RF energy.
The main purpose of this paper is to develop a model of spectrum sharing … to the reception that …

… Or, the static spectrum access technique adopted on the … Then, we identified some research
challenges and future … utilize vacant frequency spectrum within its detection range. Therefore…

… in future implementation is the scarcity of the radio spectrum [… SS for uplink multiple cognitive
femto users operating in … mobile networks offer high spectrum efficiency and coverage …

… In the near future, such a technology will be widely … spectrum sharing in. The second goal is
to maximize the capacity of the … lies in femtocell within radio range of PUs-Tx, Ph, is given by …

… It provides network awareness, spectrum sharing, and active radio … “Cognitive femtocell
networks: An opportunistic spectrum access for future indoor wireless coverage” IEEE Wireless …

… Moreover, research challenges in the future intelligent … to transmit its own signal as in
opportunistic spectrum access. In [82], … to enhance the indoor coverage and the network capacity. …

… When using opportunistic spectrum sharing like this, it does not … on wireless network’s EE
to improve the future networks. … cellular networks, a macrocell BS ensures the coverage in …