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
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To 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
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Processing Procedure of WCDMA System Source coding can increase the transmitting efficiency. Channel coding can make the transmission more r
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A 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
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3G is new upgraded cdma technology, in simple word its Wide band Code Devision Multiple Access Technology (WCDMA). This is first technology in which v
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The 3rd Generation Partnership Project (3GPP) is a collaboration between groups of telecommunication associations, to make a globally applicable third
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A 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
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OVSF Code (Orthogonal Variable Spreading Factor) is used as channelization code Orthogonal codes are easily generated by starting with a seed of
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Downlink Physical Channel of WCDMADownlink Dedicated Physical Channel:Downlink DPCHDownlink Common Physical Channel:Common Control Physical Channel (C
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A physical channel is defined by a specific carrier frequency, code (scrambling code, spreading code) and relative phase.In UMTS system, the different
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