In a two-way relay system where two nodes exchange information via a half-duplex relay. the achievable data rates of both directions are limited by the weaker link. When the two-way channel is asymmetric due to relay positioning or channel fading. the sum rate of the two-way relay system will suffer from severe degradation. https://www.ivoryjinelle.com/limited-value-Hunting-Camo-iPhone-SE-2nd-3rd-Gen-Pro-Case-p79729-hot-value/