HSPA Overview

May 5th, 2015
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UMTS (Universal Mobile Telecommunication System) networks based on wideband code division multiple access (WCDMA) have been deployed worldwide as 3rd generation mobile communications systems. UMTS provides a clear evolution path to high speed packet access (HSPA). HSPA refers to the combination of high speed downlink packet access (HSDPA) and high speed uplink packet access (HSUPA).

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HSPA OverviewHSPATechnology OverviewUMTS (Universal Mobile Telecommunication System) networks based on wideband code division multiple access (WCDMA) have been deployed worldwide as 3rd generation mobile communications systems. UMTS provides a clear evolution path to high speed packet access (HSPA). HSPA refers to the combination of high speed downlink packet access (HSDPA) and high speed uplink packet access (HSUPA). HSDPA allows data rates of up to 14 Mbit/s in the downlink. HSUPA makes uplink data rates of 5.76 Mbit/s possible. HSPA also boosts capacity in UMTS networks and provides significant latency reductions. 3G/WCDMA-HSPA is driving the global uptake of mobile broadband services.Rohde&Schwarz offers a complete portfolio of WCDMA/HSPA test and measurement solutions addressing infrastructure equipment, wireless devices and their components such as power amplifiers. As a pioneer in the market, Rohde&Schwarz introduced the first one-box radiocommunications tester for HSDPA. Meanwhile, the portfolio has been completed to address all aspects of HSDPA and HSUPA from RF tests to full application layer support for E2E testing.HSDPA: High Speed Downlink Packet AccessHSUPA: High Speed Uplink Packet AccessHSDPA PrinciplesHSUPA PrinciplesNODE B with non-serving E-DCH radio linkNODE B:Generation of scheduling information for the user data based on user feedbackUE1Downlink dataScheduling informationDownlink dataDownlink dataScheduling inform

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