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The random early detection concept applied to the W-CDMA UMTS medium access control

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3 Author(s)

In this work we introduce the concept of random early detection (RED) to a medium access control (MAC) protocol applicable to the W-CDMA UMTS access interface. The concept is in general applicable to MAC protocols that use channel load information to regulate the access to a CDMA channel. By making the analogy of a CDMA channel as if it were a queuing system of certain capacity, RED prevents the onset of outage due to multiple access interference, in the same way that it prevents a burst of packet losses in an IP buffer. As a result, a substantial improvement in the stability of the protocol is achieved, for a wide range of input traffic loads.

Published in:

Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on  (Volume:5 )

Date of Conference:

15-18 Sept. 2002