Transmitter-receiver design in multicarrier CDMA communications

Author

Hujun Yin ; Liu, Hui

Author_Institution

Dept. of Electr. Eng., Washington Univ., Seattle, WA, USA

Volume

2

fYear

1998

fDate

1-4 Nov. 1998

Firstpage

1823

Abstract

We consider the design of multiuser receivers for multicarrier direct-sequence CDMA communications over fading channels. We present a class of spreading codes that enables the simple despreading-combining (DC) receiver to achieve the performance of an optimum multiuser linear receiver. These codes are shown to be optimum for independent fading channels under the code design criterion derived. Simulation results are provided to demonstrate the significant gains in performance and simplicity due to the proposed techniques.

Keywords

code division multiple access; fading channels; least mean squares methods; multiuser channels; quadrature phase shift keying; radio receivers; radio transmitters; spread spectrum communication; DS-CDMA; MMSE receiver; QPSK; Walsh codes; code design; despreading-combining receiver; independent fading channels; multicarrier CDMA communications; multiuser receivers; optimum multiuser linear receiver; performance; simulation results; spreading codes; transmitter-receiver design; Baseband; Fading; Frequency; Modulation coding; Multiaccess communication; Multicarrier code division multiple access; Narrowband; Performance analysis; Performance gain; Statistical analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Signals, Systems & Computers, 1998. Conference Record of the Thirty-Second Asilomar Conference on

Conference_Location

Pacific Grove, CA, USA

ISSN

1058-6393

Print_ISBN

0-7803-5148-7

Type

conf

DOI

10.1109/ACSSC.1998.751638

Filename

751638