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High Speed Downlink Packet Access (HSDPA) defines a new High Speed Shared Channel (HS-DSCH) which allows for practical speeds up to 10 Mbps. Among all the changes introduced by HSDPA, the most prominent ones regarding QoS are the inclusion of "link adaptation", "Hybrid ARQ" and the quick "Scheduling" algorithms. In HSDPA the Radio Network Controller (RNC) is still the...
Calculations of service availability of a high-availability (HA) cluster are usually based on the assumption of load- independent machine availabilities. In this paper, we study the issues and show how the service availabilities can be calculated under the assumption that machine availabilities are load dependent. We present a Markov chain analysis to derive the steady-state service availabilities...
This paper introduces a novel architecture for performing the core computations required by dynamic programming (DP) techniques. The latter pertain to a vast range of applications that necessitate an optimal sequence of decisions to be issued. An underlying assumption is that a complete model of the environment is provided, whereby the dynamics are governed by a Markov decision process (MDP). Existing...
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