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الاتصالات السلكية واللاسلكية
هاشم المشارقة's image
La question a été ajoutée par هاشم المشارقة Key Account Manager Advanced United Systems Ltd. ( A member of Taj Holding Group)
Depuis 10 années

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

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LTE
UMTS
HSDPA
HSPA
الاتصالات السلكية واللاسلكية

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

Imran Ahmed Baig's image  
La répondre a été ajoutée par  Imran Ahmed Baig, Senior Software Engineer, Qualcomm India Pvt Ltd
Depuis 10 années

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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