Results 81 to 90 of about 20,358 (233)
Blind Chip-Rate Multiuser Equalisation
This paper addresses blind multiuser detection in a DS-CDMA downlink channel. The synchronous users are separated by re-establishing orthogonality of their spreading sequences in a common chip-rate equaliser.
S. Weiss, M. Hadef, Weiss, S., Hadef, M.
core +1 more source
Due to the scarcity of sustainable inputs for photosynthetic microorganisms’ biotechnology, the search for natural substrates such as coconut water has gained prominence.
Maria Rafaele Oliveira Bezerra da Silva +6 more
doaj +1 more source
Multiuser MIMO-OFDM Systems using Subcarrier Hopping
Recently space division multiple access (SDMA) assisted multiple-input–multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems invoking multiuser detection (MUD) techniques have attracted substantial research interest, which is ...
Jiang, M, Hanzo, L
core
Harmony search aided iterative channel estimation, multiuser detection and channel decoding for DS-CDMA [PDF]
A novel Multiuser Detection (MUD) scheme is proposed for DS-CDMA systems employing the so-called Harmony Search (HS) algorithm, which is a novel meta-heuristic optimisation method.
Rong Zhang +3 more
core +1 more source
Outage probability of multiuser cognitive MIMO system
To analyze the multi-antenna gain in multiuser cognitive radio system, a multiuser cognitive MIMO framework was presented. The outage performance was considered in the multiple-antenna flat Raleigh fading broadcast downlink channel and the closed-form ...
WU Ying-xiao1, ZHU Qi2
doaj
Space–Time Line Code for Massive MIMO and Multiuser Systems With Antenna Allocation
This paper first investigates an M-by-2 massive multiple-input multiple-output (MIMO) system that transmits a single stream is investigated. For this system, we propose a space-time line code (STLC), which is a transmitting and combining (at a receiver ...
Jingon Joung
doaj +1 more source
MPOE Based Adaptive Multiuser Detection
Introduction . Continuous Time Discrete Time . MPOE Based Methods: Introduction . Probability of Error Expressions Probability Distribution of the Decision Statistics Joint Probability Conditional Probability .
Multiuser Detection Brief
core
Hybrid Iterative Multiuser Detection for Channel Coded Space Division Multiple Access OFDM Systems
Space division multiple access (SDMA) aided orthogonal frequency division multiplexing (OFDM) systems assisted by efficient multiuser detection (MUD) techniques have recently attracted intensive research interests.
Jiang, M. +5 more
core +1 more source
Near-Optimum Iterative Multiuser Detection in Time-Frequency-Domain Spread Multicarrier DS-CDMA Systems [PDF]
In this contribution we propose and study a novel iterative time-frequency-domain (TF-domain) multiuser detector (MUD) for the multicarrier direct-sequence code-division multiple-access system employing both T-domain and F-domain spreading, which, for ...
Yang, Lie-Liang +5 more
core +1 more source
Interference alignment based spectrum sharing and user scheduling for cognitive radio MIMO system
In communication scenario with multiple cognitive radio (CR) multi-input multi-output (MIMO) users,signal processing algorithm was designed based on interference alignment (IA) such that transmissions of cognitive and authorized signal were carried out ...
Zhao LI +3 more
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