Symbols

Denotations

n

the number of sectors for a macro cell

R

the radius of a macro cell (in the unit meters)

r

the radius of a small cell (in the unit meters)

Ar

a small cell coverage divided by to a sector region

n_f

the number of frequency bands (either 2 or 3)

N

the total number of channels in the system

N_sr

the total number of available channels for a sector

N_sc

the total number of available channels for a small cell

NC_sr

new calls initiating in a sector region

NC_sc

new calls initiating in a small cell coverage

HC_{sr_sr}

handoff calls of MSs moving between two sectors

HC_{sr_sc}

handoff calls of MSs moving from a sector to its embedded small cell

HC_{sc_sr}

handoff calls of MSs moving from a small cell to its associated sector