Title :
WCDMA receiver structure with Smart Antennas System
Author :
Al-Joubory, Alaa J. ; Al-Naima, Fawzi M. ; Raouf, Samir S.
Author_Institution :
Dept. of Electron. Eng., Nahrain Univ., Baghdad
Abstract :
This paper proposes a smart antennas system (SAS) to be added to the conventional 2-D rake receiver of the WCDMA. The main idea behind the proposed system is the beam forming of both the uplink and downlink according to the locations of sources or users which are being estimated by an efficient direction of arrival (DOA) estimator which covers the full azimuth range. In this way, the system will work as a spatial filter to reduce the co-channel and noise interference. An improved version of root-MUSIC algorithm is suggested to estimate the DOA information using N-elements uniform circular array (UCA). The proposed receiver structure is validated through simulations.
Keywords :
adaptive antenna arrays; code division multiple access; direction-of-arrival estimation; interference suppression; noise; radio receivers; spatial filters; 2D rake receiver; WCDMA receiver structure; beam forming; direction of arrival estimator; noise interference; root-MUSIC algorithm; smart antennas system; spatial filter; uniform circular array; Azimuth; Direction of arrival estimation; Downlink; Fading; Multiaccess communication; Multipath channels; RAKE receivers; Receiving antennas; Spatial filters; Synthetic aperture sonar;
Conference_Titel :
Computer and Communication Engineering, 2008. ICCCE 2008. International Conference on
Conference_Location :
Kuala Lumpur
Print_ISBN :
978-1-4244-1691-2
Electronic_ISBN :
978-1-4244-1692-9
DOI :
10.1109/ICCCE.2008.4580738
