NDLI: Evaluation of Analog Joint Source-Channel Coding Systems for Multiple Access Channels

Content Provider	IEEE Xplore Digital Library
Author	Fresnedo, O. Gonzalez-Coma, J.P. Hassanin, M. Castedo, L. Garcia-Frias, J.
Copyright Year	1972
Abstract	We address the evaluation of low-complexity analog Joint Source Channel Coding (JSCC) methods for the transmission of discrete-time analog symbols over Multiple-Input Multiple-Output (MIMO) Multiple Access Channels (MAC). Analog JSCC is employed to encode the source information at each transmitter prior to be directly input to the MAC access scheme. Three channel access methods are considered to ensure the receiver is able to recover the user information: Code Division Multiple Access (CDMA), linear MMSE access codes and opportunistic access. CDMA allows the orthogonal transmission of the user data requiring only Channel State Information (CSI) at reception. On the other hand, linear MMSE access codes exploit CSI knowledge at transmission and exhibit better performance. Finally, opportunistic access also exploits CSI at transmission and allocates all MAC resources to the user with the strongest channel. This latter access scheme exhibits the best performance in terms of sum distortion although it may lead to unfair rate distributions among users.
Starting Page	2312
Ending Page	2324
Page Count	13
File Size	806271
File Format	PDF
ISSN	00906778
Volume Number	63
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Receivers MIMO Multiaccess communication Antennas Channel coding Transmitters Linear MMSE Transceiver Analog Joint Source Channel Coding Multiple Access Channels CDMA linear MMSE transceiver Analog joint source channel coding multiple access channels
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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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