Various modulation techniques enable EVDO to transmit various quantities of data for each symbol, with additional sophisticated strategies providing better data rates.
These protocols make sure data is transmitted effectively, without collisions, and with minor interference from other data transmissions. In the following paragraphs, We are going to discuss
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A body of bits is passed by way of a convolutional encoder, including forward mistake correction redundancy, generating a body of symbols. These symbols are then spread with the Walsh and PN sequences and transmitted.
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ISA-ninety five Aspect seven defines engineering impartial services and messages for associating and mapping aliases (equivalent identifiers) and involved context which might be exchanged concerning manufacturing operations area applications and applications in other domains.
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Appropriately, potential increases with SNR and bandwidth. IS-95 has a fixed bandwidth, but fares effectively from the digital world as it usually takes Energetic steps to improve SNR.
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切换完成： 一旦移动终端确定已经稳定接收到来自新基站的信号，将减少与原基站的连接，直至完成切换。
The receiver also works by using the strategies of the rake receiver to boost SNR as well as conduct gentle handoff.
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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。