Optimizing the RAKE receiver for the CDMA downlink

Author

Bottomley, Gregory E.

Author_Institution

Ericsson GE Mobile Communications, Inc., Research Triangle Park, NC, USA

fYear

1993

fDate

18-20 May 1993

Firstpage

742

Lastpage

745

Abstract

The optimal filter solution for the code division multiple access (CDMA) downlink is derived. A practical suboptimal filter that recovers part of the loss introduced by the RAKE receiver is presented. A significant performance advantage is obtained when the proportion of total interference that comes from the same base station as the signal is large. There is a design tradeoff between the complexity of the practical filter and its performance. As the complexity increases, the performance approaches that of the optimal filter

Keywords

code division multiple access; matched filters; radio receivers; CDMA downlink; RAKE receiver; code division multiple access; complexity; design tradeoff; performance; suboptimal filter; Base stations; Downlink; Fading; Frequency; Interference; Matched filters; Multiaccess communication; Multipath channels; RAKE receivers; White noise;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 1993., 43rd IEEE

Conference_Location

Secaucus, NJ

ISSN

1090-3038

Print_ISBN

0-7803-1267-8

Type

conf

DOI

10.1109/VETEC.1993.508798

Filename

508798

Link To Document

https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2141724