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Author Werner, Stefan ♦ Lilleberg, Jorma
Source CiteSeerX
Content type Text
File Format PDF
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Data processing & computer science
Subject Keyword Linear Minimum Mean-square Error ♦ Simple Detection Rule ♦ Complex Processing ♦ Special Signal Structure ♦ Mobile End ♦ Long Code ♦ Lmmse Detector ♦ Strict Limitation ♦ Adaptive Implementation ♦ Linear Detector ♦ Cdma Reception ♦ Code Division Multiple Access ♦ Physical Size ♦ Downlink Transmission ♦ Linear Unbiased Estimator ♦ Conventional Rake Receiver ♦ Several Special Requirement ♦ Channel Parameter ♦ Downlink Channel Decorrelation ♦ Cdma System ♦ Mobile Receiver ♦ Power Consumption
Description In this paper we develop linear detectors suitable for a Code Division Multiple Access (CDMA) mobile receiver using long codes. The special signal structure in the downlink transmission is exploited to obtain a simple detection rule. A least-squares (LS) detector, a best linear unbiased estimator (BLUE) detector, and a linear minimum mean-square error (LMMSE) detector are derived. For the LMMSE detector we consider an adaptive implementation. The results show that improvement can be achieved using the proposed detectors compared with that of the conventional RAKE receiver. I. INTRODUCTION In CDMA reception at the mobile end there are several special requirements. The resources for processing are severely constrained by the physical size of the receiver and the strict limitations for power consumption. Furthermore, the other users' codes are not necessarily known at the mobile receiver and the estimation of other users' channel parameters especially may involve too complex processing ...
in Proc. IEEE Veh. Technol. Conf
Educational Role Student ♦ Teacher
Age Range above 22 year
Educational Use Research
Education Level UG and PG ♦ Career/Technical Study
Learning Resource Type Article
Publisher Date 1999-01-01