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Dynamic radio channel management in cellular mobile communication systems

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2 Author(s)
Yilmaz, N. ; Dept. of Electr. & Electron. Eng., Middle East Tech. Univ., Ankara, Turkey ; Ergul, R.

We present a dynamic radio bandwidth management scheme for mobile communication systems to achieve a high level of QoS for both handoff calls and new calls, while at the same time to improve the utilization of wireless network resources. The simultaneous satisfaction of these two actually conflicting interests will be thanks to two major key features. First, due to the a priori information about handoff reservation requests that is provided by the mobile terminal. This information is based on the cell transition probabilities calculated by the mobile itself using collected information during past operations. Second, thanks to a two-way approach implemented in the radio resource reservation and new call admission processes. The two-way approach controls both the amount of reservation and the new call admission in a highly dynamic way, depending on subscriber mobility and network traffic conditions.

Published in:

Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th  (Volume:5 )

Date of Conference:

26-29 Sept. 2004

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