Paper：Degrees of Freedom for MIMO Two-Way X Relay Channel. Key words：MIMO X channel, relay, two-way communication, signal alignment, joint transceiver design.
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This Letter investigates the performance of the two-way multi-hop system for underwater optical wireless communications. With the decode-and-forward (DF) relaying, the two-way multi-hop system is modeled, where the effects of absorption, scattering,
Frequency-domain oversampling (FDO) is studied for two-way amplified-and-forward relaying (TWAR) on the frequency-selective fading channel. In the FDO-based scheme, a zero postfix (ZP) is inserted in the transmitted data block, and a fractionally spa
To improve the performance of the two-way denoise-and-forward network coding opportunistic relaying systems (TW-DNF-OR), two novel best-relay selection criterions are presented, which are the jointing adaptive modulation max-min criterion (AM-MM) and
