Dual-mode Handsets for Dummies
Dual-mode Handsets for Dummies
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Также немаловажную роль играет низкая излучаемая мощность радиопередатчиков абонентских устройств.
开环功率控制 ： 开环功率控制是基于接收信号强度的预测进行的，它不需要反馈信息。在移动终端接入网络时，会根据信号的衰落特性预先设定发射功率。开环控制主要用于解决信号在传播过程中遇到的路径损耗问题。
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We need to differentiate involving peak and regular data rates when evaluating mobile data speeds. The height speed is the most speed the mobile network can technically allow. In distinction, the common speed is what a person frequently receives following the sign has travelled from the foundation station to multiple consumer devices at the same time. The peak data rates with HSDPA are 14.four Mbps for downloads, and the height data rates with HSUPA are 5.
抗干扰能力 ：通过扩展信号频谱，减少了信号的能量密度，提高了信号对噪声和干扰的抵抗力。
1. Manufacturing and Distribution Manufacturing and distribution industries reap the benefits of a multi-copyright shipping and delivery procedure by optimizing their source chain functions, minimizing expenditures, and ensuring timely deliveries of Uncooked elements and completed merchandise by way of successful comparative rate searching. two. Retail While in the retail get more info sector, multi-copyright shipping and delivery permits companies to efficiently manage stock distribution, serve online and brick-and-mortar prospects, and adapt to seasonal procuring tendencies although partaking in comparative rate searching.
It is additionally accurate that have of applying HSDPA is very similar to that of applying set-line ADSL assistance.
Википедия:Статьи с некорректным использованием шаблонов:Книга (указан неверный код языка)
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保密通信 ：扩频信号在频域上与噪声无异，增加了信号截获的难度，增强了通信的保密性。
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HSPA has been broadly Frequency Reuse deployed by mobile operators throughout the world as a way to improve the effectiveness in their 3G networks.
频谱利用率高： 多载波技术可以更有效地使用有限的频谱资源，提高频谱利用率。