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Which of the following use different modulation in DL and UL AMPS, GSM, EGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA, HSPA+, WiMAX, LTE, LTE-A

DL : Downlink UL : Uplink

LTE UMTS HSDPA HSPA الاتصالات السلكية واللاسلكية
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Question added by هاشم المشارقة , Key Account Manager , Advanced United Systems Ltd. ( A member of Taj Holding Group)
Date Posted: 2014/07/10
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حنان عبدالحليم عبدالحكيم الديب
by حنان عبدالحليم عبدالحكيم الديب , technical support specialist , TEDATA

 HSDPA, HSUPA, HSPA, HSPA+

 

Imran Ahmed Baig
by Imran Ahmed Baig , Senior Software Engineer , Qualcomm India Pvt Ltd

I hope you are asking about Multiple Access. If it is then LTE and LTE-A both uses different Multiple Access i.e 

Downlink: OFDMA

Uplink: SC-FDMA

 

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