On the Application of PN Acquisition Scheme to a DS/SSMA Packet Radio System
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概要
- 論文の詳細を見る
The performance of a noncoherent parallel matched-filter (MF) acquisition scheme with a reference filter (RF) is evaluated for a direct-sequence/spread-spectrum multiple access (DS/SSMA) packet radio system in a mobile cellular environment. This acquisition scheme employs a RF to estimate the variance of interference at the output of detecting MF. Acquisition-based packet throughput of the parallel MF-RF scheme is derived for an AW/GN and a Rayleigh fading channels. Packet throughput of a parallel MF-RF acquisition scheme is compared with those of a serial MF scheme, a serial MF-RF scheme, and a parallel MF. From the numerical results, it is shown that the packet throughput decreases with the number of users in the system, and increases with the preamble length. Imperfect power control causes packet throughput to decrease especially when the power control error is large. The considerations in this paper can be applied to the reverse link (mobile-to-base station) design of a DS/SSMA system for packet-type services.
- 社団法人電子情報通信学会の論文
- 1997-09-25
著者
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Kim Jin
The School Of Electrical Engineering Institute Of New Media And Communications Communications And Co
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Lee Jae
The School Of Electrical Engineering And Computer Science Seoul National University
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Lee Jae
The School Of Electrical Engineering Institute Of New Media And Communications Communications And Co
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Lee Jae
The School Of Electrical Engineering Seoul National University
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