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Downlink scheduling in CDMA data networks

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5 Author(s)
A. Bedekar ; Washington Univ., WA, USA ; S. Borst ; K. Ramanan ; P. Whiting
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We identify properties of optimal scheduling schemes for downlink traffic in a code division multiple access (CDMA) data-only network. Under idealised assumptions, we show that it is optimal for each base station to transmit to at most one delay-tolerant user at a time. Moreover we prove that a base station, when on, should transmit at maximum power for optimality. For a linear network, we characterise the optimal schedule as the solution to a linear program. As a by-product, our analysis yields bounds on throughput gains obtainable from downlink scheduling.

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Global Telecommunications Conference, 1999. GLOBECOM '99  (Volume:5 )

Date of Conference: