[[Image:CDMA_-_3D.JPG|center|thumb|500 px|Graph showing number of publications by the publishers during 1991-2003]]
==Conclusion==
Substantial amount of research has been done in the field of QoS in CDMA communication system in the year 1998-99 and this has led to the invention of multitude of methodologies ranging from power control to Rate matching and Dynamic Resource scheduling, all with the sole aim of improving QoS.