5 Essential Elements For 3GPP2 standards
5 Essential Elements For 3GPP2 standards
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The chapter concentrates on the transition of some RRM capabilities such as the packet scheduler into NodeB. The changes in RRM features of the network nodes triggered added modifications of HSDPA air interface which include introduction of better‐purchase modulation and coding strategies, and modification from the MAC protocol architecture for enabling the speedy scheduling during the BTS.
开环功率控制 ： 开环功率控制是基于接收信号强度的预测进行的，它不需要反馈信息。在移动终端接入网络时，会根据信号的衰落特性预先设定发射功率。开环控制主要用于解决信号在传播过程中遇到的路径损耗问题。
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It solves the In the vicinity of-far dilemma where transmitters at unique distances transmits signal of identical electricity then the strength of the signal of Transmitter (nearer to the base station) will probably be better than that of Transmitter (farther to the base station).
Can be employed to enhance present integration ability of producing functions management devices; and
信号合并： 两个基站的信号同时传输给移动终端，进行信号合并处理，确保通信的连续性。
Additionally it is true that experience of employing HSDPA is similar to that of using set-line ADSL company.
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数据包调度： 基站根据各个用户的信道质量、历史数据和实时反馈对数据包进行调度。
Emergency Services: EVDO performed a role here in supporting mobile data interaction for emergency services, enabling very first responders to access critical information and facts and coordinate rescue initiatives in actual time.
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