Abstract:
Long term evolution is the standard that the Third-generation Partnership
Project developed to be an evolution of UMTS, in Heterogeneous and
Homogeneous networks.
One of the main problem in LTE networks is interference between cells, which
decreased the signal to interference and noise ratio as well as throughput for
users whom in range extension and cell edge. it solved by using Almost Blank
Sub-frames technology which sent blank sub-frames or mutt frames
The objective of this thesis is interference management for Long term evolution
networks especially in heterogeneous networks.
The throughput of this thesis has been increased especially at cell edges and/or
range extension while the Almost Blank Sub-frames ratio has been increased,
tacked 0.3 ratio as initial value and noticed the maximum throughput at 0.7 ratio
also founded that more than 0.7 ratio throughput decreased.
