On the Performance of Frequency-Hopped Spread-Spectrum Systems Utilizing Near-Orthogonal Hopping Patterns

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概要

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• A simple near-orthogonal code is used as frequency-hopping patterns for the frequency-hopped multiple access systems. Extended RS code is used as channel coding to deplete the effects of hits from simultaneous users. Packet error probability and channel throughput for the system utilizing the near-orthogonal code are evaluated and compared to the corresponding values obtained from the system utilizing random patterns. Results show that the former can provide substantial improvement over the latter. In our illustrated examples, we also show that under the constraint of packet error probability P_E≦10^<-2>, the maximum achievable number of users with most (n, k) RS codes of interest is less than the number of distinct codewords in the near-orthogonal code. Thus, the number of codewords of the near-orthogonal code is large enough to support the practical application.

• 社団法人電子情報通信学会の論文
• 1998-11-25

著者

• Wang Jee-wey

  The Institute Of Electrical Engineering National Chung Cheng University

• Wen Jyh-horng

  The Institute Of Electrical Engineering National Chung Cheng University

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• On the Performance of Frequency-Hopped Spread-Spectrum Systems Utilizing Near-Orthogonal Hopping Patterns
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