CDMA is actually a digital cellular technological innovation that employs spread spectrum tactics to allow multiple users to share the identical frequency band, letting far more efficient use of your readily available spectrum.The voice portion can possibly be delivered as Voice over Web Protocol (VoIP) or on a separate fallback copyright committed
The chapter focuses on the changeover of some RRM functions including the packet scheduler into NodeB. The modifications in RRM capabilities of the network nodes triggered further modifications of HSDPA air interface like introduction of bigger‐order modulation and coding strategies, and modification on the MAC protocol architecture for enabling
系统容量 ：在保证通信质量的前提下，功率控制算法能够支持的用户数量和数据传输速率。The voice component can both be shipped as Voice over Internet Protocol (VoIP) or on a separate fallback copyright focused on voice-only, i.e. CDMA2000 1 x copyright. EVDO does not deliver integrated voice and only concentrates o
The paging channel is made up of signaling messages transmitted within the network to all idle mobiles. A list of messages converse detailed network overhead to the mobiles, circulating this info whilst the paging channel is free.These Guidance are commonly Utilized in embedded units and also other applications that require interrupt-pushed process