Title :
Combined DA/DD/NDA channel estimation techniques for downlink WCDMA
Author :
Lohan, Elena-Simona ; Renfors, Markku
Author_Institution :
Telecommun. Lab., Tampere Univ. of Technol., Finland
Abstract :
Two novel combined methods for channel estimation are analyzed and compared in terms of BER and complexity. They are introduced in order to increase the system performance when pilots are time-multiplexed with data symbols. The simulation results justify the choice of these methods as viable solutions for downlink wideband code-division multiple access (WCDMA) systems
Keywords :
broadband networks; code division multiple access; error statistics; fading channels; land mobile radio; multipath channels; multiuser channels; parameter estimation; radio links; radio networks; time division multiplexing; BER; DA/DD/NDA channel estimation; complexity; data symbols; data-aided estimation; decision-directed estimation; downlink WCDMA; fading multipath channels; non-data aided estimation; simulation results; system performance; time-multiplexing; wideband code-division multiple access; Bit error rate; Channel estimation; Delay effects; Delay estimation; Downlink; Fading; Fingers; Laboratories; Multiaccess communication; Wideband;
Conference_Titel :
Vehicular Technology Conference, 2000. IEEE-VTS Fall VTC 2000. 52nd
Conference_Location :
Boston, MA
Print_ISBN :
0-7803-6507-0
DOI :
10.1109/VETECF.2000.886302
