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Effect of intercell pilot signals on cellular CDMA forward link

✍ Scribed by Kok L. Cheah; Kwok H. Li

Book ID
101287365
Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
130 KB
Volume
12
Category
Article
ISSN
1074-5351

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✦ Synopsis

In cellular CDMA, the implementation of pilot channels on the forward link enables accurate coherent detection and synchronous transmission. In conjunction with concatenated Walsh sequences, this results in signi"cant capacity gain. However, the undesirable co-channel interference introduced by these intercell pilot signals is seldom addressed. Our analysis indicates that ignoring its e!ect can overestimate the capacity by as much as 15%. A partial implementation of multiuser detection is proposed to recover most of the degradation.

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