Examine This Report on Digital Cellular Standards
Examine This Report on Digital Cellular Standards
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Different modulation strategies enable EVDO to transmit various quantities of data per image, with a lot more complex schemes giving higher data rates.
There isn't a gentle handover and hence pico-cells overlap in exact creating and can generate self interference
3GPP2 specialized specs and stories are offered to the general public without spending a dime, one-use down load, provided the files won't be reproduced both partly or in entirety.
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
Each and every BTS dedicates a substantial level of output power to a pilot channel, which is an unmodulated PN sequence (in other words, spread with Walsh code 0). Each individual BTS sector from the network is assigned a PN offset in measures of sixty four chips.
3GPP2 requirements and reviews are transformed into standards by Just about every on the Venture's Organizational Associates. Use the fall-down menu under to see a desk cross-referencing the 3GPP2 specification or report to its Organizational Husband or wife counterpart.
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The mobile obtaining a variable-rate targeted visitors body isn't going to know the rate at which the frame was transmitted. Typically, the body is decoded at website Each individual probable rate, and working with the quality metrics from the Viterbi decoder, the proper result is chosen.
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Channel Assignment and Handoff: Each time a mobile device initiates a data session, the cellular network assigns a certain channel for data transmission.
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以前購入した白壁紙は価格的には安くて良かったが、素人には薄くて貼りにくく、アラが目立ちやすかったので、今後はこのくらいの価格のものを購入しようと思う。
These interrupt concentrations are generally known as the edge-triggered interrupt where the masking system is relevant to the person interrupt bits with 64 pins.
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