Effect of co-phasing diversity on CDMA downlink capacity

F. Tong; R.C. Atkinson; I.A. Glover; S.R. Pennock; P.R. Shepherd

doi:10.1049/el:20080323

Effect of co-phasing diversity on CDMA downlink capacity

F. Tong, R.C. Atkinson, I.A. Glover, S.R. Pennock, P.R. Shepherd

Electronic And Electrical Engineering

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Abstract

The impact of distributed antennas using co-phasing transmission diversity on downlink CDMA channels is examined. An expression is derived that demonstrates that uniform downlink signal-to-interference ratio across users can be achieved by appropriately weighting the distribution of transmit powers across distributed antennas. The capacity of a downlink CDMA system employing distributed antennas with optimum power allocation is then found by simulation.

Original language	English
Pages (from-to)	786-788
Number of pages	3
Journal	Electronics Letters
Volume	44
Issue number	13
DOIs	https://doi.org/10.1049/el:20080323
Publication status	Published - 19 Jun 2008

Keywords

distributed antennas
transmission
signal-to-interference ratio
transmit
CDMA

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10.1049/el:20080323

Tong-etal-EL-2008-Effect-of-co-phasing-diversity-on-CDMA-downlink-capacityAccepted author manuscript, 580 KB

Cite this

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abstract = "The impact of distributed antennas using co-phasing transmission diversity on downlink CDMA channels is examined. An expression is derived that demonstrates that uniform downlink signal-to-interference ratio across users can be achieved by appropriately weighting the distribution of transmit powers across distributed antennas. The capacity of a downlink CDMA system employing distributed antennas with optimum power allocation is then found by simulation.",

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AU - Tong, F.

AU - Atkinson, R.C.

AU - Glover, I.A.

AU - Pennock, S.R.

AU - Shepherd, P.R.

PY - 2008/6/19

Y1 - 2008/6/19

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AB - The impact of distributed antennas using co-phasing transmission diversity on downlink CDMA channels is examined. An expression is derived that demonstrates that uniform downlink signal-to-interference ratio across users can be achieved by appropriately weighting the distribution of transmit powers across distributed antennas. The capacity of a downlink CDMA system employing distributed antennas with optimum power allocation is then found by simulation.

KW - distributed antennas

KW - transmission

KW - signal-to-interference ratio

KW - transmit

KW - CDMA

U2 - 10.1049/el:20080323

DO - 10.1049/el:20080323

M3 - Article

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JO - Electronics Letters

JF - Electronics Letters

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Effect of co-phasing diversity on CDMA downlink capacity

Abstract

Keywords

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