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Increasing attention has been drawn in Machine Type Communications (MTC), also known as Machine to Machine (M2M) Communications, since it enables implementation of new services, and expansion of revenue sources for mobile equipment manufacturers and mobile network operators. This potential is high, but some issues have to be solved to enable the wide application of MTC services, especially those which...
In this paper, a new fast handover scheme for Wimax system is proposed. An MS get a handover code and a ranging opportunity allocated by the target BS before the MS executes the handover process. Consequently, it reduces the handover delay and the MS can quickly implement network reentry during the handover process. Meanwhile, the new fast handover scheme can maintain stable data transmission. Numerical...
In this paper, we address the issue of transmission power control (TPC) in wireless ad hoc networks. Power control plays an important role in energy saving and network performance enhancement. However, the existing TPC schemes either face the problem of hidden and exposed terminal or have additional hardware requirements. We propose a novel distributed power control protocol, called Receiver Initiated...
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