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Capacity of T-user collaborative coding multiple-access scheme operating over a noisy channel

Honary, Bahram and Ali, F. and Darnell, M. (1989) Capacity of T-user collaborative coding multiple-access scheme operating over a noisy channel. Electronics Letters, 25 (11). pp. 742-744. ISSN 0013-5194

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Abstract

The collaborative coding multiple-access (CCMA) technique potentially permits efficient simultaneous transmission by several users sharing a common channel, without subdivision in time or frequency. The capacity of a T-user binary adder multiple-access channel is calculated for additive white Gaussian noise (AWGN) conditions. The capacity in bits/ channel use for different numbers of users is derived by simulation for the baseband antipodal and bandpass on-off keying systems with coherent and noncoherent combining. It is shown that in principle T-user CCMA permits higher transmission rates than time-division multiple-access (TDMA) employing the same signal alphabet.

Item Type: Article
Journal or Publication Title: Electronics Letters
Uncontrolled Keywords: interference (signal) ; codes ; decoding ; multi-access systems ; encoding ; digital communication systems ; channel capacity
Subjects:
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 60804
Deposited By: ep_importer_pure
Deposited On: 18 Dec 2012 16:00
Refereed?: Yes
Published?: Published
Last Modified: 20 Sep 2017 09:02
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/60804

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