- Shee Yao and Evaggelos Geraniotis
]].
==Research activity over the years(1991-2003)==
NOTE: The analysis presented below is with respect to the IEEE Papers published between 1991-2003 which focus on the aspect of Quality of Service and its Management using various paramters like Rate matching, Power control, Varible Spreading Factor etc.
[[Image:Publication_Year.JPG|center|thumb|500 px|Number of publications VS Year of publication]]
[[Image:Publishers.JPG|center|thumb|500 px|Publisher VS number of publications during(1991-2003)]]
[[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.