The SIM card contains its internal memory, in which the data, personal and financial information as well as the identity for GSM / CDMA are stored. Th
Read MoreThe initial range is the process of estimating the distance or propagation time between a transmitter and a receiver. Area information can be used to
Read MoreA transmitted signal changes as it travels to the receiver. The effect of these changes is commonly referred to as fading. The fading results from the
Read MoreHow Many Sub Carrier in LTE? Read below,..There are different kinds of sub-carriers: Data sub-carrier Pilot Sub-carrier DC sub-carrier G
Read MoreHere I write about EVDO (HSD) reverse channel in short or summarize defination. The EVDO channels for the reverse connection have a similar structure
Read MoreMIMO is effectively radio antenna technology because multiple antennas are used at the transmitter and receiver to allow a variety of signal paths to
Read MoreRadio wave can be propagated from the transmitting antenna to the receiving antenna in many ways: perpendicular incidence wave or ground refraction wa
Read MoreWhen the voice signal is transmitted after being processed and modulated, the frequency hopping technique will be used too, i.e. the transmission carr
Read MoreFor both mobiles and base station in direct sequence CDMA must be synchronized. In the IS-95A system, synchronization is based on the Global Positioni
Read MoreWiMAX is a coined term or acronym meaning worldwide interoperability for microwave access (WiMAX). What WiMAX is however at its heart is a standards i
Read MoreIn addition to 3G, Wi-Fi based-systems may be used to provide broadband wireless. Wi-Fi is based on the IEEE 802.11 family of standards and is primari
Read MoreThe Logical Channel is used in time multiplex in a physical channel, which is categorized according to the types of messages transmitted in the physi
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