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Recently, a new multiple-input multiple-output (MIMO) transmission scheme termed as receive spatial modulation (RSM) is proposed, which activates a subset of receive antennas to carry additional information bits through the index domain. In this paper, a novel variant of RSM, which is referred to as enhanced RSM (ERSM), is proposed to further improve the system performance, especially in high-mobility...
Virtual MIMO (VMIMO) technique has been envisioned to be an advanced technique for communication systems. In this paper, we consider a 2×2 VMIMO system, where two users are paired together to communicate with the base station simultaneously. User pairing is important for such a system since it determines the channel capacity of each pair of users, the system capacity, as well as the fairness among...
Parallel RTS Processing MAC Protocol (PRP-MAC) can improve network throughput, but data packets are not always sent in a synchronized way. So PRP-MAC still produces the packet collisions in the network, which impact the performance of the network. In this paper, we proposed an improved PRP-MAC called IPRP-MAC protocol. This protocol can avoid collisions by using 3 types of CTS packets which are used...
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