A New Improved First-Order Approximate Decorrelating Detector for DS-CDMACommunication Systems

Authors:
Wanshi Chen;Manh Anh Do
Affiliations:
Integrated Systems Research Laboratory, Division of Circuit and Systems, School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Sing ...;Integrated Systems Research Laboratory, Division of Circuit and Systems, School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Sing ...
Venue:
Wireless Personal Communications: An International Journal
Year:
2001

Citing 2
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Abstract

An improved first-order approximate decorrelating detector for direct-sequencecode divisionmultiple access (DS-CDMA) communication systems is proposed. This detector isbased on theminimization of the multiple access interference (MAI) for each user. Throughanalysis andnumerical results, the detector is shown to perform better than the originalfirst-order approximatedetector in various conditions at the expense of an additional complexity onthe order of O(K2), whereK is the number of active users in the system.