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Antenna selection and relay selection are two potent methods to enrich the system capacity by selecting the perfect one to function. In this letter, a downlink multiple-input multiple-output decode-and-forward relaying… Click to show full abstract
Antenna selection and relay selection are two potent methods to enrich the system capacity by selecting the perfect one to function. In this letter, a downlink multiple-input multiple-output decode-and-forward relaying network is analyzed by considering Nakagami-$m$ fading as a model for the channel gains. The system performance is analyzed by using a joint scheme (JS), which joints the relay selection and the antenna selection at the base station and the selected relay. A closed-form expression corresponding to the outage probability is derived, and the approximate expression of the outage probability in the high-signal-to-noise-ratio regime is obtained. Finally, simulations show the superiority of the JS.
Journal Title: IEEE Signal Processing Letters
Year Published: 2017
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