Optimal scheduling in CDMA packet radio networks

Optimal scheduling in CDMA packet radio networks

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Article ID: iaor199910
Country: United Kingdom
Volume: 25
Issue: 3
Start Page Number: 219
End Page Number: 227
Publication Date: Mar 1998
Journal: Computers and Operations Research
Authors: ,
Keywords: heuristics
Abstract:

We consider the time slot assignment problem in a code division multiple access (CDMA) packet radio network. Unlike the classical time division multiple access (TDMA) packet radio networks, a CDMA packet radio network can provide each node with a multiple reception capacity using orthogonal codes. This multiple reception capacity of each node presents a new challenge for channel access protocols. Also we consider non-uniform traffic demand over nodes which has become important due to the increase of subscribers and the introduction of personal communication system (PCS). We present an algorithm for a general system where the number of nodes and the reception capacity can be any positive integers and the traffic demand can be non-uniforn. Computational tests show that our algorithm generates excellent solutions in most cases.

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