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A new study item termed downlink Multiuser Superposition Transmission (MUST) has been established in 3GPP Release 13 [1]. As the name suggests, MUST utilizes the concept of superposition coding for a multiuser transmission in LTE-Advanced (LTE-A) systems. While superposition coding can be applied at symbol level, the symbol-domain superposition coding not only increases network signaling overhead...
Lattice-reduction-aided precoding (LRP) provides near-capacity rates with the use of low-complexity linear receivers for coded multiple-input multiple-output (MIMO) systems. However, a large amount of feedback in the feedback for an integer or binary precoding matrix has been a bottleneck in its implementation. In this paper, we propose a codebook-based LRP scheme for limited-feedback coded MIMO systems...
In RFID (Radio Frequency IDentification) system, the reader needs the anti collision algorithm for fast identifying all of the tags in the interrogation zone. This paper proposes the tree based Tag Prediction Algorithm using Upper Bit (TPAUB) to arbitrate the tag collision. A TPAUB can identify tags without identifying all the bits in the tag ID. The reader uses the upper bit which is added to the...
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