[[Image:Publication_Year.JPG|center|thumb|500 px|Number of publications VS Year of publication]]
The above analysis suggests that Research Activity a increase in increased the Research activity in the area of QoS Management in the year 1999.
[[Image:Publishers.JPG|center|thumb|500 px|Publisher VS number of publications during(1991-2003)]]
It is to be noted that the non patent research is attributed mostly to universities in USA and Asia Pacific. The mention of '''IEEE member''' in the above graph indicates the absence of information about the belonging parent department of the Researcher.
[[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.