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3G Evolution, 2nd Edition by Per Beming, Johan Skold, Stefan Parkvall, Erik Dahlman

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Chapter 9. High-Speed Downlink Packet Access

The introduction of High-Speed Downlink Packet Access, (HSDPA), implies a major extension of the WCDMA radio interface, enhancing the WCDMA downlink packet-data performance and capabilities in terms of higher peak data rate, reduced latency and increased capacity. This is achieved through the introduction of several of the techniques described in Part II, including higher-order modulation, rate control, channel-dependent scheduling, and hybrid ARQ with soft combining. The HSDPA specifications are found in [100] and the references therein.

9.1. Overview

9.1.1. Shared-Channel Transmission

A key characteristic of HSDPA is the use of Shared-Channel Transmission. Shared-channel transmission implies that ...

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