Advances in Cellular Communication

1429 WordsJan 29, 20186 Pages
In last few years cellular communication is developed, mobile users are increased and also introduce new features of smart technologies such as virtual environment of data transfer using D2D communications. It performs high speed communication for local cellular networks in approaches [1]-[4] and to minimizing the BS power consumptions as in [5]. The D2D communications proposed for different time slot and same frequency used and carefully managed interference, reducing Base station traffic and minimizing transmission power. The different power saving mechanism in Radio Resource Management (RRM), power control is very important for cellular networks and beneficial to link in adaptation, interference reduction. Depending off on time of day or geographic location BS may be an idle but mobile terminal not negatively affected. The power control mechanism is complex to minimizing transmission power for Multi-user Orthogonal frequency division Multiplexing (OFDM), Multiple-Input Multiple-Output (MIMO) is to consider for reducing the transmission power in cellular BS. The optimal transmitter antenna is used for MIMO in depends on Signal to Noise Ratio (SNR). In another RRM energy saving mechanism is Discontinuous transmission (DTX) and antenna adaptation (AA), the AA is adapt in MIMO resource allocation problem. The D2D communication proposed spectrum sharing protocol for allows bi-directional communication for BS and cellular network in between relay is fixed. The Cognitive

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