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CAPACITY REGION OF GENERAL MULTIPLE-ACcESS CHANNEL4.1. ... FIG. 5 . 5 Multiple-user channel C~,r with certain correlated sources. (" ] "): a*(Yl ..... Yr I Ul ..... ... Shojiro Sakata of the Sagami Institute of Technology and Dr. Satoru Fujishige of the University of Tokyo for their valuable discussions. RECEIVED: May 5, 1978 ...doi:10.1016/s0019-9958(79)90337-1 fatcat:bhrydfdmn5artdazbqmplm7zym
Author’s summary: “The capacity region for the arbitrarily varying multiple-access channel is determined. ... Authors’ summary: “The capacity region for the discrete memoryless multiple-access channel without time synchronization at the transmitters and receivers is shown to be the same as the known capacity region ...
The converse for the general multiple access channel is also used to show that for any m-user multiple access channel, feedback cannot increase the total capacity by more than a factor of m . ... The converse for the discrete memoryless multiple access channel is generalized and is used to derive strong hounds on the total capacity (sum of the rates of all the senders) of an m-user Gaussian multiple ... Asymmetric multiple-access channel with independent sources. Fig. 2 . 2 Fig. 2. Asymmetric multiple-access channel with arbitrarily correlated sources. II. ...doi:10.1109/tit.1987.1057341 fatcat:hoola3fpafhxdizwjypwtgqlfe
2007 Information Theory and Applications Workshop
We consider transmission of correlated sources over multiuser channels where the receiver(s) have access to correlated side information. ... We give general sufficient conditions for lossless transmission of each source for both channels, and then provide necessary conditions that hold under certain assumptions on the nature of the source and ... Exact capacity region can be characterized in the strong interference case  ,  , where the capacity region coincides with the capacity region of the compound multiple access channel  . ...doi:10.1109/ita.2007.4357580 fatcat:2t5d7barmfa5fh4mgj3zlcykou
In particular, the multiple-access channel, the compound multiple-access channel, the interference channel, and the two-way channel with correlated sources and correlated receiver side information are ... Source and channel coding over multiuser channels in which receivers have access to correlated source side information are considered. ... ACKNOWLEDGMENT The authors wish to thank the anonymous reviewer and the Associate Editor for their constructive comments which improved the quality of the paper. ...doi:10.1109/tit.2009.2025566 fatcat:zfgkf6623ndjflax6m6vbzs3eu
IEEE International Symposium on Information Theory, 2003. Proceedings.
In this paper, we give an exact characterization of the joint source/channel capacity region, i.e., we give conditions on the sources and the channels under which reliable communication is possible in ... We consider a multiaccess communication problem, in which multiple sources want to send correlated data to a far receiver, over a multiple access channel that is rendered virtually collision free by a ... to show that their region is indeed the capacity region of the multiple access channel with correlated sources  . ...doi:10.1109/isit.2003.1228382 fatcat:tenhsvffybfplgmfoakjjl7vla
We characterize the relations among the throughput region of random multiple access, the capacity region of multiple access without code synchronization, and the stability region of ALOHA protocol. ... In the first part of the paper, we show that if the MPR channel is standard, the throughput region of random multiple access is coordinate convex. ... ACKNOWLEDGMENT The authors would like to thank Prof. Thomas Liggett for the insightful discussions on positive correlation and interacting particle systems. ...doi:10.1109/tit.2006.874518 fatcat:ph4ffl23fzhljadxm4p73idlpq
Dueck (Bielefeld) 80e:94012 Han, Te Sun 80e:94013 The capacity region of general multiple-access channel with certain correlated sources. Inform. and Control 40 (1979), no. 1, 37—60. ... The author proves a characterization of the capacity region of a class of multi-user channels, including general multiple-access channels with correlated sources and simultaneous receivers, on the basis ...
We then study the information capacity region of multiple access without code synchronization and feedback. We show that the asymptotic capacity region is identical to the throughput region. ... In the first part of the paper, we show that if the MPR channel is standard, the throughput region of random multiple access is co-ordinate convex. ... Capacity Region of Random Multiple Access In this section, we study the information capacity region of a standard MPR channel in random multiple access. ...doi:10.1109/isit.2005.1523749 dblp:conf/isit/0001E05 fatcat:p77kgupha5frffsfdlc5m2nwwu
To our knowledge, these results constitute the first source-channel separation results for interference and compound multiple access channels with correlated sources and side information. ... We consider discrete memoryless compound multiple access and interference channels with correlated sources and correlated side information at the receivers, and investigate necessary and sufficient conditions ... The most general case for which the exact capacity region can be characterized is the so-called strong interference channel  , where the region coincides with the capacity region of a compound MAC ...doi:10.1109/isit.2007.4557146 dblp:conf/isit/GunduzE07 fatcat:bkshrp3wynht7lglxsr3amgrd4
2008 46th Annual Allerton Conference on Communication, Control, and Computing
As a by-product, the capacity region of a class of Z-channels with degraded message sets is also provided. ... The problem of joint source-channel coding in transmitting independent sources over interference channels with correlated receiver side information is studied. ... In the proof, we use the -letter expression for the capacity region, which was also used in  to prove the optimality of source-channel separation for a multiple access channel with receiver side ...doi:10.1109/allerton.2008.4797606 fatcat:zmziawu6afblbpg43h6qs7x5t4
As a by-product, the capacity region of a class of Z-channels with degraded message sets is also provided. ... The problem of joint source-channel coding in transmitting independent sources over interference channels with correlated receiver side information is studied. ... In the proof, we use the -letter expression for the capacity region, which was also used in  to prove the optimality of source-channel separation for a multiple access channel with receiver side ...doi:10.1109/tit.2010.2080930 fatcat:yem4cxtyd5eatmva2xpuckhnaa
In particular, the multiple access channel, the compound multiple access channel, the interference channel and the two-way channel with correlated sources and correlated receiver side information are considered ... , and the optimality of separation is shown to hold for certain source and side information structures. ... Fig. 4 . 4 Compound multiple access channel with correlated sources and correlated side information with no multiple access interference. ...arXiv:0807.2666v2 fatcat:fbqwweumprcjfld7c2btiofaaa
In this paper we consider a graph-based framework for transmission of correlated sources over multiple access channels. ... This leads to performance gains in terms of enlarging the class of correlated sources that can be reliably transmitted over a multiple access channel. ... Multiple Access Channel Capacity with Independent Messages We summarize the well-known results  of the multiple access channel capacity in this section. ...doi:10.1109/tit.2007.909093 fatcat:wn427w66mjam7mbrghbawzbbiy
As a first step to address this general model, referred to as the compound multiple access channel with a relay (cMACr), the capacity region of the multiple access channel with a "cognitive" relay is characterized ... The problem of simultaneous multicasting of multiple messages with the help of a relay terminal is considered. ... ACKNOWLEDGMENT The authors thank the anonymous reviewers and the Associate Editor for their comments, which have improved the quality of the paper. ...doi:10.1109/tit.2010.2079570 fatcat:mmehm7t5oze6votz7eo2qq52f4
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