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In this paper, the outage performance of nonorthogonal multiple access (NOMA) is investigated in a downlink space division multiple access (SDMA) network with a multi-antenna base station and randomly deployed users. The NOMA technology is concurrently exploited with SDMA to further improve spectral efficiency. With limited channel state information (CSI) feedback taken into account, an analytical...
In this paper, we provide a comprehensive analysis of the multi-antenna transmission in a K-tier downlink heterogeneous cellular network (HCN). We first propose a reliability-oriented mobile access policy with an access threshold, in which each user connects to the strongest base station in terms of the truncated long-term received power. Under this policy, we derive for a random user explicit analytical...
RNA interference has unveiled the hidden sound of silence in many organisms today. To follow suit, an intron-containing hairpin RNA (ihpRNA) plasmid vector, Psilent −1, with inverted repeats of size ∼800bp was constructed. Rapid amplification of complementary DNA ends (RACE) revealed the 3'-full length of ERG 2 gene coding region as 989bp. This encodes 321 amino acids of molecular weight 33.89kDa...
The chirp-based multicarrier system, which employs the chirp-type basis functions as transmission signal set, has been recently proposed in some literatures to improve the transmission performance in the time-varying channel environment. This paper evaluates the performance of chirp based multicarrier system in the channel with narrowband interference. It is shown by analytical and simulation results...
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