High speed downlink packet access using W-CDMA/TDD channel

摘要

In this paper there are considerations about HSDPA(High Speed Downlink Packet Access) on W-CDMA/TDD channel. Demodulation performance of multi level modulation such as 16QAM which is used in HSDPA-TDD system is presented. The performance of Joint Detection is shown and it can remove multipath interferences efficiently. Then 16QAM demodulation method is proposed. In proposed method the received symbols in one timeslot are divided into several blocks and each blocks are demodulated separately. Proposed method shows good performance in fast fading environment according to computer simulation results.