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A rate-based bandwidth borrowing and reservation scheme for cellular networks

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Author

Summary, in English

In the third generation cellular networks and beyond, a wide variety of different services are/will be provided by the operators. Out of QoS reasons, it is preferable to give higher priority to certain connection types. These include calls carrying delay-sensitive services and already ongoing calls. In this paper, a prioritization method combining bandwidth borrowing and reservation, called BBR, is introduced. BBR monitors the rate-adaptiveness of the ongoing calls in a cell. Simultaneously, advanced movement predictions are applied to estimate the arrival rate to each cell. If it is determined that the use of bandwidth borrowing (temporarily reducing the data rate of other calls in the same cell) is not sufficient to support the high priority calls that are expected to arrive, a portion of the assigned bandwidth to the cell is exclusively reserved for these calls to prevent call dropping. The scheme enables the operator to increase the average user satisfaction in the network. This is achieved by defining appropriate penalty functions for blocking, dropping and bandwidth reduction of a call.

Publishing year

2004

Language

English

Pages

1123-1128

Publication/Series

IEEE Vehicular Technology Conference

Volume

60

Issue

2

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Communication Systems
  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Bandwidth reservation
  • Channel allocation
  • Rate-based bandwidth
  • Call blocking probability (CBP)

Conference name

IEEE Vehicular Technology Conference, VTC Fall, 2004

Conference date

2004-09-26 - 2004-09-29

Conference place

Los Angeles, CA, United States

Status

Published

ISBN/ISSN/Other

  • ISSN: 1550-2252
  • CODEN: IVTCDZ