Computer Science – Information Theory
Scientific paper
2005-06-20
Computer Science
Information Theory
5 pages, 1 figure, To be presented at 2005 IEEE International Symposium on Information Theory, corrected version
Scientific paper
The stability of scheduled multiaccess communication with random coding and independent decoding of messages is investigated. The number of messages that may be scheduled for simultaneous transmission is limited to a given maximum value, and the channels from transmitters to receiver are quasi-static, flat, and have independent fades. Requests for message transmissions are assumed to arrive according to an i.i.d. arrival process. Then, we show the following: (1) in the limit of large message alphabet size, the stability region has an interference limited information-theoretic capacity interpretation, (2) state-independent scheduling policies achieve this asymptotic stability region, and (3) in the asymptotic limit corresponding to immediate access, the stability region for non-idling scheduling policies is shown to be identical irrespective of received signal powers.
Mukherji Utpal
Sesha Sayee KCV Kalyanarama
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