… as secondary users can opportunistically access subchannels … access for future indoor
wireless coverage,” IEEE Wireless … downlink spectrum sharing in two-tier cognitive femto networks…

… 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, …

… channel with other femto users through spectrum sharing, and … installed within the macro-cell
coverage. The received signal of … allocation management for Femtocell in future. By sensing …

… 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…

… wireless coverage and capacity as well as limited spectral … Dynamic and opportunistic
spectrum access capabilities of CR … LTE-A femto-cell interference mitigation with MuSiC DOA …

… present the network coverage issues for both Femto Users (… The discussed idea of spectrum
sharing is analogous to the … (FFR) in future generation heterogenous networks builds trade-…

… 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 …

… The deployment of low-power nodes such as femtocells within the macrocell’s coverage …
future candidate resources. In this article, a new method is proposed for robust spectrum sharing…

… , channel sensing, spectrum sharing and intercell interference … power in cognitive and
unlicensed channels for short-range … possible future work directions are presented in this section. …