Even so, it remains utilized in regions where more recent 4G or 5G infrastructure isn't out there.Q6: Is EVDO very same as LTE?A: No, EVDO and LTE are various technologies. Both equally are wi-fi broadband standards, but LTE provides more rapidly speeds plus more productive data transmission than EVDO.Q7: Can an EVDO cell phone Focus on a GSM network?A: No, EVDO is a CDMA-dependent technology While GSM is a unique network technological know-how. Devices constructed for a person technology are, generally speaking, not appropriate with another.Q8: How can EVDO know-how work?A: EVDO performs by utilizing Innovative coding and modulation tactics to transmit data over cellular networks. In basic phrases, it sends and receives data in a means that allows it to vacation more rapidly and a lot more proficiently over airwaves. Q9: What exactly are the positives and negatives of working with EVDO?A: The benefits of EVDO include things like speedier data transmission speeds as compared to a number of other 3G systems, broad coverage, and capacity to deal with both voice and data at the same time. The drawbacks include things like speed reduction if the network is active or in the event the sign is weak, and also it becoming a lot less effective than more recent 4G and 5G technologies.
码片同步 ：指接收端的扩频码与发送端的扩频码在码片时序上的同步。这一过程需要解决码片时序的捕获和跟踪问题，通常采用滑动相关法、匹配滤波法等技术实现。
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数字信号相乘，由于伪随机码速率快，扩展了传输带宽（伪随机码带宽远大于信号带宽，扩展信号频谱），在接收端，用相同的伪随机码序列
EVDO is really a packet-switched cellular data technology Utilized in cdma2000 networks. The EVDO specifications are dependant on dependability and spectral efficiency to enable nearly 2.45 Mbps during the Preliminary launch for that forward url (downlink) that's responsible for downloads. The uplink or reverse url for EVDO provides exactly the same 153.6 kbps that cdma2000 1x delivers.
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It truly is employed to prevent interference, spying and jamming. The spreading code utilized is understood to transmitter and receiver only.
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Any time a mobile is idle, it is mostly Hearing a paging channel. As soon as a mobile has parsed every one of the network overhead information and facts, it registers with the network, then optionally enters slotted-manner. Both of such procedures are explained in additional depth under.
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As of the crafting, HSDPA deployments are still Section of the initial phase. In the 2nd period, HSDPA programs will be able to realize approximately 42 Mbps data rates. This is quicker than a number of these days’s land-centered broadband connections.
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控制精度 ：需要评估功率控制最终达到的精度，即信号的功率是否精确达到了目标值。