Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering. Issue 2 (28th April 2005)

• Record Type: Journal Article
• Authors: Huang, Yufei; Zhang, Jianqiu (Michelle); Luna, Isabel Tienda; Djurić, Petar M.; Padillo, Diego Pablo Ruiz
• Is Part Of: EURASIP journal on wireless communications and networking. Volume 2005:Issue 2(2005)
• Page Start: 130
• Page End: 140
• Publication Date: 2005-04-28
• Subjects: multiuser detection -- time-observation state-space model -- fading channel estimation -- particle filtering -- mixture Kalman filter; Wireless communication systems -- Periodicals; Signal processing -- Periodicals; 621.38405
• DOI: 10.1155/WCN.2005.130
• Languages: English
• ISSNs: 1687-1499

Abstract

Abstract : We propose a method for blind multiuser detection (MUD) in synchronous systems over flat and fast Rayleigh fading channels. We adopt an autoregressive-moving-average (ARMA) process to model the temporal correlation of the channels. Based on the ARMA process, we propose a novel time-observation state-space model (TOSSM) that describes the dynamics of the addressed multiuser system. The TOSSM allows an MUD with natural blending of low-complexity particle filtering (PF) and mixture Kalman filtering (for channel estimation). We further propose to use a more efficient PF algorithm known as the stochasticM -algorithm (SMA), which, although having lower complexity than the generic PF implementation, maintains comparable performance.