… ment for partially connected downlink mimo heterogeneous networks,” IEEE Transactions …
Peng, “Cross-tier interference alignment with interfering pair selection in uplink heterogeneous …

… uplink MIMO network, one IA scheme was proposed where the interference signals from users
on the other cell are aligned into a low dimensional interference … However, we can select …

… Also, the heterogeneity structure and newer modulation and … 98] proposed a PA-based
interference alignment (IA) scheme … the co-tier and cross-tier interferences and ideal resource …

… , so there are different options for selecting a base station (BS) for … uplink connections in
heterogeneous networks can cause harmful … Interference mitigation via cross-tier cooperation in …

… Transmission mode selection, resource allocation, power control and small cell deployment …
of the interference are different in the cross-tier interference, and it can be either uplink or …

… cell) is referred to as cross-tier interference. It may also be … , cell selection could be dependent
on estimates of the uplink … downlink and uplink access in 5G heterogeneous systems,” …

… of heterogeneous networks: either co-tier interference between network entities in the same
tier or cross-tier Interference (also called inter-tier interference… Blind interference alignment is …

… co-tier interference using the interference alignment technique … this work did not consider
the effect of cross-tier interference. … and the D2D Downlink (DL)/Uplink (UL) decoupled (DUDe) …

… the cross-tier interference in MIMO-NOMA HetNets with a limited signal overhead, we propose
a cross-tier interference alignment … and restrictions decide the choice of the adopted IM …

… As an example, [3] studied selections of transmitter and receiver beam index to avoid BS-to-…
SINR degradation even without cross-tier interference. Especially, the SINR of uplink (UL) …