Examine This Report on Radio Access Network (RAN)
Examine This Report on Radio Access Network (RAN)
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DSSS is Direct Sequence Spread Spectrum Approach and that is a spread spectrum technique through which the data to become transmitted is encoded utilizing spreading code and obtained then decoded utilizing the exact code.
If your mobile device moves, the network performs a handoff, transferring the data session to a completely new channel or foundation station seamlessly to maintain connectivity.
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A generalized RAKE receiver for interference suppression and multipath mitigation is proposed, exploiting here The truth that time dispersion appreciably distorts the interference spectrum from each foundation station during the downlink of the wideband CDMA process.
Гибкое распределение ресурсов. При кодовом разделении нет строгого ограничения на число каналов. С read more увеличением числа абонентов постепенно возрастает вероятность ошибок декодирования, что ведёт к снижению качества канала, но не к отказу обслуживания.
The mobile getting a variable-rate visitors body doesn't know the rate at which the body was transmitted. Typically, the frame is decoded at each probable rate, and working with the standard metrics in the Viterbi decoder, the proper result is picked out.
流量控制： 通过流量控制，保证切换过程中的数据传输速率，避免切换过程中的拥塞。
HSPA has actually been widely deployed by mobile operators as a way to improve the performance of their 3G networks and provide an improved service to their consumers.
切换完成： 一旦移动终端确定已经稳定接收到来自新基站的信号，将减少与原基站的连接，直至完成切换。
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。
EVDO, a critical improvement during the CDMA (Code Division Multiple Access) family members, was intended to fulfill the escalating need for effective and large-velocity data transmission over cellular networks during the telecommunications sector.
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