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In this paper, we propose a polarization-enabled digital self-interference cancellation (PDC) scheme for the full duplex communication. This scheme provides a new degree of freedom, polarization domain, to increase the distinction between desired signal and self-interference and solve the problem caused by insufficient reference information in time-frequency domains in baseband. The proposed PDC scheme...
In this paper, we propose a self-interference cancellation scheme for the full duplex communication in the polarization domain. The proposed scheme cancels self-interference first by orthogonal projection to the null space of the self-interference before the analog to digital converter (ADC). Then, the theory of virtual polarization adaptation is used to maximize the desired signal power. Different...
Spectrum opportunities in time, space and power domain are exploited by secondary users in traditional cognitive radio studies. While spectrum opportunities in polarization domain, namely simultaneous utilization of spectrum between primary and secondary system with polarization signal characteristics, is exploited inadequately. With the merits of polarization mismatch, primary system lies in the...
Wireless channel capacity is an important indicator for a measure of mobile communications network to accommodate the largest number of users. The analysis and study on MIMO channels capacity is benifit to network's construction and optimization. This paper gives three kinds of channel capacity equation when different power allocation is adopted, especially deduces approximate expression of MIMO channel...
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