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Title of Journal: Wireless Pers Commun

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Abbravation: Wireless Personal Communications

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Springer US

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1572-834X

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Simulation implementation and performance evaluat

Authors: JeanFrançois Frigon Ahmed M Eltawil Babak Daneshrad Eugene Grayver Yuan Li Gennady Poberezhskiy
Publish Date: 2007/04/20
Volume: 43, Issue: 4, Pages: 1101-1112
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Abstract

Smart antenna array technology has been shown to greatly improve the performance of wireless communication systems In this article we describe the impact of smart antenna array processing at the mobile terminal for Wideband Code Division Multiple Access WCDMA cellular networks Using system simulations we demonstrate the quality of service network coverage and network capacity improvement provided by a WCDMA dual antenna receiver and we establish a relationship between this improvement and the link level performance We then describe a receiver architecture for a dual antenna WCDMA mobile receiver The proposed receiver was implemented as part of a complete mobile terminal solution in an ASIC using a 018 μm 18 V CMOS technology The ASIC was integrated with RF analog and digital components in a PCMCIA card form factor The PCMCIA is a 3GPP compliant user equipment and has been submitted to standardized performance and conformance tests Experimental measurements gathered with the PCMCIA card illustrate the impact of a diversity enabled mobile data terminal on the link level performance For various propagation environments and transmission data rates improvements in the range of 27 – 10 dB in the required DPCH I c/I or for a 1 Block Error Rate BLER were observed These measurements are within 14 dB of the ideal link level simulations which indicates that the predicted improvement at the network level should also materialize The results presented in this paper show the tremendous potential of smart antenna arrays in 3G WCDMA cellular networks and establish diversity as a viable solution for highspeed cellular communications

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