Title :
(Re)active load control based on radio link quality for the UMTS/WCDMA forward link
Author :
Rodrigues, Emanuel B. ; Cavalcanti, Francisco R P ; De Lima, Carlos H M ; De Sousa, Vicente A., Jr.
Author_Institution :
Teleinformatic Eng. Dept., Fed. Univ. of Ceara, Brazil
fDate :
30 May-1 June 2005
Abstract :
The paper specifies congestion resolution (action) and recovery (reaction) procedures within a load control (LC) functionality in the WCDMA downlink air interface. By means of dynamic system level simulations, it is verified that, in soft overload situations, it is advantageous to give lower priority to those radio links that have worse channel quality, so that the system can return to its stable state in a gradual and controlled manner.
Keywords :
3G mobile communication; code division multiple access; quality of service; telecommunication congestion control; QoS; UMTS; W-CDMA; WCDMA; active load control; channel quality; congestion recovery procedures; congestion resolution procedures; downlink air interface; forward link; radio link quality; reactive load control; soft overload situations; 3G mobile communication; Control systems; Degradation; Downlink; Forward contracts; Load flow control; Multiaccess communication; Quality of service; Radio link; Stability;
Conference_Titel :
Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st
Print_ISBN :
0-7803-8887-9
DOI :
10.1109/VETECS.2005.1543312
