The paging channel contains signaling messages transmitted in the network to all idle mobiles. A set of messages communicate detailed network overhead to the mobiles, circulating this info whilst the paging channel is free of charge.

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。

The job is to uncover the ultimate congestion window dimension when all the packet drops are now being encountered from the sender. The TCP Reno

移动通信中，将话音信号转换为数字信号，给每组数据话音分组增加一个地址，进行扰码处理，并且将它发射到空中。

抗频率选择性衰落： 通过将信号分配到多个载波上，系统可以减少由多径效应引起的频率选择性衰落。

In combination with creating standards, 3GPP2 also is effective to make certain interoperability involving various distributors and operators, which can be important with the good results of CDMA-dependent wireless interaction networks.

It is additionally legitimate that have of using HSDPA is very similar to that of utilizing fastened-line ADSL service.

In case you already know the 3GPP specification or report variety, you may take a more immediate route, by way of the Specification Collection website page or via direct access into the FTP server.

Weigh the associated fee in opposition to prospective price savings and efficiency gains, comprehension that the next initial expenditure could possibly supply superior extensive-phrase worth. 

HSPA has become extensively deployed by mobile operators as a method to improve check here the effectiveness of their 3G networks and provide a greater service to their consumers.

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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IS-ninety website five and its usage of CDMA techniques, like another communications method, have their throughput constrained according to Shannon's theorem.