accordance
发表于 2025-3-26 23:53:32
The Evolution of Spread-Spectrum Multiple-Access CommunicationsThis paper contains a brief history of electrical communications, emphasizing the emergence of multiple-access and spread-spectrum techniques.
GIBE
发表于 2025-3-27 01:53:39
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Flu表流动
发表于 2025-3-27 08:02:21
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Acquired
发表于 2025-3-27 11:07:25
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控诉
发表于 2025-3-27 15:29:46
Secure Systems Development with UMLimensions of signal space required per second) is proposed. Six different communication systems are analyzed in terms of this definition. It is shown that there is a fundamental difference between the bandwidth expansion due to coding and that due to “spectrum spreading”. It is further shown that sp
率直
发表于 2025-3-27 21:39:37
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PANEL
发表于 2025-3-27 23:03:53
Secure Web Application Developmentarch and development activity in industry and academia. As the needs to increase capacity in multiuser radio channels become more pressing, it is safe to expect that the interest in the subject will grow in the near future.
Bravura
发表于 2025-3-28 05:16:02
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Cocker
发表于 2025-3-28 08:39:11
Secure Wireless Sensor Networksmploy interference suppression filters in the CDMA receivers to minimize the interference caused by the narrowband waveforms. The results presented in this paper include the effects of multipath fading, as well as both intracell and intercell interference for cellular systems.
可用
发表于 2025-3-28 12:19:24
Liehuang Zhu,Zijian Zhang,Chang Xu viewpoint is to consider other users not as noise but to jointly detect all users’ signals (multiuser detection). This has significant potential of increasing capacity and near/far resistance. Optimal multiuser detection is, however, too complex to implement, thus motivating the search for suboptim