NDLI: Linear and widely linear filtering applied to iterative detection of generalized MIMO signals

Content Provider	Springer Nature Link
Author	Witzke, Melanie
Copyright Year	2005
Abstract	To suppress the co-antenna interference in multiple input multiple output (MIMO) systems, an iterative receiver with a linear detector for complex symbols is investigated. We show that the considered generalized MIMO system, i.e., a system that transmits complex conjugate repetitions in addition to the pure data, requires the application of a widely linear (wl) detector. Awl detector consists of four real filters which are represented by two complex filters for the received signal and its complex conjugate, respectively. Furthermore, we present approximations of the detector that significantly reduce computational complexity with only little loss in frame-error rate performance. Simulation results show that the proposed MIMO system achieves large gains over standard solutions.Pour supprimer l’interférence entre les antennes d’un système à entrées et sorties multiples (MIMO), un récepteur itératif avec un détecteur linéaire pour des symboles complexes est examiné. Nous montrons que pour le système très général que nous considérons, c’est-a-dire un système qui transmet les informations elles-mêmes ainsi que des répétitions conjuguées, un détecteur linéaire au sens large (widely linear,wl) est exigé. Le détecteurwl comprend quatre filtres réels, représentés par 2 filtres complexes, un pour le signal reçu et un autre pour le conjugué du signal reçu. En plus, nous présentons des approximations du détecteur qui réduisent fortement la complexité avec seulement une petite perte en taux d’erreur de bloc. Des résultats de simulations montrent, que le système mimo proposé a une meilleure performance que les solutions standards.
Starting Page	147
Ending Page	168
Page Count	22
File Format	PDF
ISSN	00034347
Journal	Annales Des Télécommunications
Volume Number	60
Issue Number	1-2
e-ISSN	19589395
Language	French
Publisher	Springer-Verlag
Publisher Date	2005-01-01
Publisher Place	Paris
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Filtrage linéaire Détection signal Itération Système multidimensionnel Nombre complexe Brouillage signal Radiocommunication Traitement spatio-temporel Communications Engineering, Networks Information Systems and Communication Service Signal, Image and Speech Processing Computer Communication Networks Information and Communication, Circuits R & D/Technology Policy
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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