The Definitive Guide to Dual-mode Handsets
The Definitive Guide to Dual-mode Handsets
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Isto devido ao fato da tecnologia fazer apenas a transmissão de dados, sendo que a voz continua sendo transportada pelo CDMA1xRTT, com isso além de liberar a tecnologia precedente para transportar livremente voz e ser totalmente compatível com o mesmo, ela permite transmitir uma alta capacidade de dados em uma única canalização de one,25 MHz.
Evolution Data Only (EVDO) technologies has several use cases, mostly as a consequence of its ability to present higher-pace data transmission over cellular networks. A lot of the well known use circumstances for EVDO provided:
Having said that, since HSPA network finish consumers complete far more downloads than uploads, HSDPA speeds are In a natural way Significantly larger than HSUPA. This is certainly also The explanation why HSDPA devices are now being deployed way ahead in their HSUPA counterparts.
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
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Наибольшую известность на бытовом уровне получила после появления сетей сотовой мобильной связи, использующих её.
FDMA is utilized for voice and data transmission. Through this method the general channel bandwidth is shared by multiple people, therefore a range of customers can transmit their data concurrently. N
The HSDPA will lead to 3G network to run on greater load rate everytime.So this increases sounds on current UMTS and afterwards decreases UMTS capacity.
Base station sends the acquired signal energy get more info info to the transmitter and tells to increment or decrement the transmission ability accordingly in subsequent transmissions.
制式中，区分各个信道主要不再依靠频率和时隙等方法，同一地区不同用户同时使...
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Remote Access: It allowed consumers to remotely access corporate networks and assets, making it beneficial for specialists who needed to function from places outside the Workplace.