Maximum Kirkman Signal Sets for Synchronous Uni-Polar Multi-UserCommunication Systems

Authors:
Charles J. Colbourn;Sufang Zhao
Affiliations:
Department of Computer Science, University of Vermont, Burlington, VT 05405, U.S.A.;Department of Computer Science, University of Vermont, Burlington, VT 05405, U.S.A.
Venue:
Designs, Codes and Cryptography
Year:
2000

Citing 2
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Abstract

A unipolar signalingsystem transmits using intensity or amplitude in multiple dimensions.Typical examples arise in optical transmission or radio communicationusing MT-MFSK as both the signaling and the modulation technique.There are v dimensions which represent pulses ortones. Each codeword consists of a selection of kof these tones with unit intensity. Each user is assigned mof these binary codewords. In a synchronous multi-user environment,two codewords assigned to a single user have distance 2k,while two codewords assigned to different users have distanceat least 2k-2. Such an assignment of codewords tousers is called a Kirkman signal set when the number of usersaccommodated is the maximum. In this paper, the existence ofKirkman signal sets with k=3 and mas large as possible is settled for all values of v.