A.Station height control: strictly control the station height to avoid over-zone interference

B.Topological structure planning: the site distribution is as uniform as possible

C.Station spacing control: strictly avoid overlapping coverage sites within 100m

D.The angle of the sector in the station should be kept as close as possible to 60 degrees, direct sparring between stations can enhance coverage

A.S1

B.X2

C.X1

D.S2

A.False

B.True

A.In the LTE system, the location update signaling caused by the location change should be minimized

B.A base station can only belong to one tracking area

C.The concept of keeping the same tracking area for the LTE access network and core network

D.When the UE is in an idle state, the core network can know the tracking area where the UE is located

E.When a UE in an idle state needs to be paged, it must be paged in all cells in the tracking area where the UE is registered

A.False

B.True