MMSE multiuser detection for asynchronous dual-rate direct sequence CDMA communications

S Buzzi, M Lops, AM Tulino - Ninth IEEE International …, 1998 - ieeexplore.ieee.org
The authors consider an asynchronous DS/CDMA system wherein users are allowed to
transmit their symbols at one out of two available data-rates. Besides the variable spreading …

A new multiuser detection scheme for DS-CDMA systems

S Moshavi, EG Kanterakis… - Proceedings of MILCOM' …, 1995 - ieeexplore.ieee.org
Direct sequence code division multiple access (DS-CDMA) systems have become a popular
choice for use in cellular and personal communications. A new family of multistage low …

On multi-user detection schemes for synchronous coherent CDMA systems

P Kempf - 1995 IEEE 45th Vehicular Technology Conference …, 1995 - ieeexplore.ieee.org
The performance of several multiuser detection schemes in a synchronous direct sequence
code division multiple access environment (on the AWGN channel) is analysed on the basis …

Implementation issues for multiuser DS-CDMA receivers

NS Correal, SF Swanchara, BD Woerner - International Journal of Wireless …, 1998 - Springer
Multiuser detection for CDMA has been an area ofconsiderable interest in the research
community due tothe significant performance gains that can be obtainedthrough the use of …

Multiuser detection in multicarrier CDMA systems employing both time-domain and frequency-domain spreading

LL Yang, W Hua, L Hanzo - 14th IEEE Proceedings on Personal …, 2003 - ieeexplore.ieee.org
In this contribution we propose and study a multicarrier direct-sequence code-division
multiple-access (MC DS-CDMA) scheme, which employs both time (T)-domain and …

Performance analysis of a dual-rate synchronous MC-CDMA system

P Zong, Y Bar-Ness, JK Chan - Globecom'00-IEEE. Global …, 2000 - ieeexplore.ieee.org
We propose a novel dual-rate synchronous multi-carrier code division multiple access (MC-
CDMA) system. In this system, all users are designed to have the same processing gain and …

Time-domain multiuser detection for MC-CDMA systems without cyclic prefix

X Wu, Q Yin, H Zhang, K Deng - 2002 IEEE International …, 2002 - ieeexplore.ieee.org
In multicarrier code-division multiple access (MC-CDMA) systems over the finite impulse
response (FIR) channel, a usual approach for combating the resultant hostile intersymbol …

Multiuser detection in multipath environments for variable spreading-factor CDMA systems

A Boariu, RE Ziemer - IEEE Transactions on Communications, 2001 - ieeexplore.ieee.org
A way to allow variable data rates in CDMA is by varying the spreading factor in accordance
with the data rate requested by the user. A detection scheme suitable for multirate …

Blind adaptive multiuser detection for asynchronous dual-rate DS/CDMA systems

S Buzzi, M Lops, AM Tulino - IEEE Journal on Selected Areas …, 2001 - ieeexplore.ieee.org
In this paper, the authors consider an asynchronous direct-sequence code division multiple
access (DS/CDMA) system wherein users are allowed to transmit their symbols at one out of …

Genetic-algorithm-assisted multiuser detection in asynchronous CDMA communications

K Yen, L Hanzo - IEEE Transactions on Vehicular Technology, 2004 - ieeexplore.ieee.org
In an asynchronous direct-sequence code-division multiple-access, a specific bit of the
reference user is interfered by two asynchronously arriving surrounding bits of all the other …