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On Multiuser Systems with Queue-Length Dependent Service Quality
, Seo D., Varshney L.R.
Published in IEEE
2018
Volume: 2018-June
   
Pages: 341 - 345
Abstract
Consider the information-theoretic limits of reliable communication in a multiuser setting of transmission through a system with queue-length dependent service quality. Multiple transmitters dispatch encoded symbols using renewal processes over a system that is a superposition of GI-k/GI/1 queues, and a noisy server processes symbols in order of arrival with error probability depending on the queue-length. First, the information capacities of the single-user and multiuser continuous-time queue-length dependent system are found. When the number of transmitters is large and each is sparse, the superposition of arrivals approaches a Poisson point process. In characterizing the Poisson approximation, we show that the individual and sum capacities of the multiuser system converges to the capacity of a single-user M/GI/1 queue-length dependent system. The speed of convergence in the number of users is explicitly given. Further, the best and worst server behaviors of M / G I /1 queues from the single-user case are preserved in the multiuser case. © 2018 IEEE.
About the journal
JournalData powered by TypesetIEEE International Symposium on Information Theory - Proceedings
PublisherData powered by TypesetIEEE
Open AccessNo