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Noncoherent constant false-alarm rate schemes with receive diversity for code acquisition under homogeneous and nonhomogeneous fading circumstances
- Authors
- Kwon, H[Kwon, Hyoungmoon]; Song, I[Song, Iickho]; Kim, SY[Kim, Sun Yong]; Yoon, S[Yoon, Seokho]
- Issue Date
- Jul-2007
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- code acquisition; constant false-alarm rate (CFAR) processor; homogeneous environment; nonhomogeneous environment; receive diversity; signal detection
- Citation
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.56, no.4, pp.2108 - 2120
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
- Volume
- 56
- Number
- 4
- Start Page
- 2108
- End Page
- 2120
- ISSN
- 0018-9545
- Abstract
- In this paper, we address the cell averaging (CA), greatest of (GO), and smallest of (SO) constant false-alarm rate (CFAR) processors for code acquisition in a homogeneous and a nonhomogeneous environment. The performance characteristics of the CA, GO, and SO processors are analyzed and compared when receiving antenna diversity is employed in the pseudonoise code acquisition of direct-sequence code-division multiple-access systems. From the simulation results, it is observed that the GO CFAR scheme has the best performance in a nonhomogeneous environment and has almost the same performance as the CA CFAR scheme in a homogeneous environment.
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