HSDPA, short for High-Speed Downlink Packet Access, is commonly referred to as 3.5G technology within 3G networks. It's also known as 3.5G HSDPA, emph
Read MoreTo determine if your phone will work after the 3G shutdown, first, check your phone's specifications to see if it supports 4G or 5G. Contact your carr
Read MoreProcessing Procedure of WCDMA System Source coding can increase the transmitting efficiency. Channel coding can make the transmission more r
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 More3G is new upgraded cdma technology, in simple word its Wide band Code Devision Multiple Access Technology (WCDMA). This is first technology in which v
Read MoreThe 3rd Generation Partnership Project (3GPP) is a collaboration between groups of telecommunication associations, to make a globally applicable third
Read MoreA data-modulation scheme defines how the data bits are mixed with the carrier signal, which is always a sine wave. There are three basic ways to mo
Read MoreOVSF Code (Orthogonal Variable Spreading Factor) is used as channelization code Orthogonal codes are easily generated by starting with a seed of
Read MoreDownlink Physical Channel of WCDMADownlink Dedicated Physical Channel:Downlink DPCHDownlink Common Physical Channel:Common Control Physical Channel (C
Read MoreA physical channel is defined by a specific carrier frequency, codeĀ (scrambling code, spreading code) and relative phase.In UMTS system, the different
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