Packet-Switched Radio Interface in LTE

LTE has been designed as a completely packet-oriented multi service system, without the reliance on circuit-switched connection-oriented protocols prevalent in its predecessors. In LTE, this philosophy is applied across all…

Main Characterictics of WCDMA

Support two basic modes: FDD and TDD modes High chip rate (3.84 Mcps) and data rates (up to 2 Mbps) Employs coherent detection on uplink and downlink based on the…

The Core technology of 3G: CDMA

Formulated by the European standardization organization 3GPP, the core networkevolves on the basis of GSM/GPRS and can thus be compatible with the existingGSM/GPRS networks. It can be based on the…

LTE Architecture

Long Term Evolution (LTE) is the newest 3GPP standard for mobile network technology. The goal of the System Architecture Evolution (SAE) effort in 3GPP is to develop a framework for…

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