The Greatest Guide To IS-95
The Greatest Guide To IS-95
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Isto devido ao fato da tecnologia fazer apenas a transmissão de dados, sendo que a voz continua sendo transportada pelo CDMA1xRTT, com isso além de liberar a tecnologia precedente para transportar livremente voz e ser totalmente compatível com o mesmo, ela permite transmitir uma alta capacidade de dados em uma única canalização de one,25 MHz.
The voice component can both be sent as Voice over Internet Protocol (VoIP) or on the separate fallback copyright dedicated to voice-only, i.e. CDMA2000 1 x copyright. EVDO won't provide integrated voice and only focuses on giving superior-pace data. Most CDMA mobile operators normally adopt the cdma2000 1 x fallback choice to guarantee voice company top quality.
3GPP2 technological specifications and studies are offered to the public free of charge, solitary-use down load, delivered the files won't be reproduced possibly partially or in entirety.
The signaling information fragments are pieced jointly inside the LAC, where by comprehensive signaling messages are handed on to Layer 3.
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LTE would be the 4G migration path for all 3G mobile networks, such as CDMA2000 and UMTS. HSPA is a similar know-how to EVDO but it really belongs into the UMTS networks.
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Voice over EVDO (VoEVDO): Some operators launched voice services over EVDO, allowing consumers to check here generate voice calls utilizing the data network. This made available a substitute for common voice calls and leveraged the prevailing EVDO infrastructure.
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Every time a mobile is "hunting", it truly is aiming to discover pilot indicators within the network by tuning to particular radio frequencies and performing a cross-correlation throughout all feasible PN phases. A solid correlation peak end result indicates the proximity of the BTS.
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