Interference Mitigation through Successive Cancellation in Heterogeneous Networks

Table 1

Effective noise and interference covariance matrices at each UE for x_1𝑐 and x_2𝑐.

o	I	II	III	IV
𝐙^𝐷11𝑐,𝑜	𝐙1+Ω^𝑐12	𝐙^𝐷12𝑐,𝐼	𝐙^𝐷11𝑐,𝐼	𝐙^𝐷11𝑐,𝐼𝐼
𝐙^𝐷12𝑐,𝑜	𝐙1	𝐙1+Ω^𝑐11	𝐙^𝐷12𝑐,𝐼	𝐙^𝐷12𝑐,𝐼𝐼
𝐙^𝐷21𝑐,𝑜	𝐙2	𝐙2+Ω^𝑐22	𝐙^𝐷21𝑐,𝐼𝐼	𝐙^𝐷21𝑐,𝐼
𝐙^𝐷22𝑐,𝑜	𝐙2+Ω^𝑐21	𝐙^𝐷21𝑐,𝐼	𝐙^𝐷22𝑐,𝐼𝐼	𝐙^𝐷22𝑐,𝐼